diff options
| author |   Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
|---|---|---|
| committer | Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
| commit | 709c4d66e0b107ca606941b988bad717c0b45d9b (patch) | |
| tree | 37ee08b1eb308f3b2b6426d5793545c38396b838 /recipes/linux/linux-magicbox-2.6.18.6 | |
| parent | fa6cd5a3b993f16c27de4ff82b42684516d433ba (diff) | |
| download | openembedded-709c4d66e0b107ca606941b988bad717c0b45d9b.tar.gz | |
rename packages/ to recipes/ per earlier agreement
See links below for more details:
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
Acked-by: Mike Westerhof <mwester@dls.net>
Acked-by: Philip Balister <philip@balister.org>
Acked-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Marcin Juszkiewicz <hrw@openembedded.org>
Acked-by: Koen Kooi <koen@openembedded.org>
Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'recipes/linux/linux-magicbox-2.6.18.6')
9 files changed, 9138 insertions, 0 deletions
diff --git a/recipes/linux/linux-magicbox-2.6.18.6/000-fix-makefile.patch b/recipes/linux/linux-magicbox-2.6.18.6/000-fix-makefile.patch new file mode 100644 index 0000000000..ce52a02b2f --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/000-fix-makefile.patch @@ -0,0 +1,12 @@ +diff -ru linux-2.6.18/Makefile linux-2.6.18-magicbox/Makefile +--- linux-2.6.18/Makefile 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicbox/Makefile 2006-09-22 20:16:55.000000000 +0200 +@@ -1,7 +1,7 @@ + VERSION = 2 + PATCHLEVEL = 6 + SUBLEVEL = 18 +-EXTRAVERSION = .6 ++EXTRAVERSION = -magicbox2 + NAME=Avast! A bilge rat! + + # *DOCUMENTATION* diff --git a/recipes/linux/linux-magicbox-2.6.18.6/001-magicbox-board-2.6.18.patch b/recipes/linux/linux-magicbox-2.6.18.6/001-magicbox-board-2.6.18.patch new file mode 100644 index 0000000000..bd3214dacd --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/001-magicbox-board-2.6.18.patch @@ -0,0 +1,381 @@ +diff -Nru linux-2.6.18/arch/ppc/platforms/4xx/Kconfig linux-2.6.18-magicbox/arch/ppc/platforms/4xx/Kconfig +--- linux-2.6.18/arch/ppc/platforms/4xx/Kconfig 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicbox/arch/ppc/platforms/4xx/Kconfig 2006-09-22 03:38:30.000000000 +0200 +@@ -14,7 +14,7 @@ + choice + prompt "Machine Type" + depends on 40x +- default WALNUT ++ default MAGICBOX + + config BUBINGA + bool "Bubinga" +@@ -52,6 +52,12 @@ + help + This option enables support for the IBM PPC405GP evaluation board. + ++config MAGICBOX ++ bool "MagicBox" ++ select WANT_EARLY_SERIAL ++ help ++ This option enables support for the IBM PPC405EP evaluation board. ++ + config XILINX_ML300 + bool "Xilinx-ML300" + help +@@ -173,7 +179,7 @@ + + config IBM_OCP + bool +- depends on ASH || BAMBOO || BUBINGA || CPCI405 || EBONY || EP405 || LUAN || YUCCA || OCOTEA || REDWOOD_5 || REDWOOD_6 || SYCAMORE || WALNUT ++ depends on ASH || BAMBOO || BUBINGA || CPCI405 || EBONY || EP405 || LUAN || YUCCA || OCOTEA || REDWOOD_5 || REDWOOD_6 || SYCAMORE || WALNUT || MAGICBOX + default y + + config IBM_EMAC4 +@@ -183,7 +189,7 @@ + + config BIOS_FIXUP + bool +- depends on BUBINGA || EP405 || SYCAMORE || WALNUT || CPCI405 ++ depends on BUBINGA || EP405 || SYCAMORE || WALNUT || CPCI405 || MAGICBOX + default y + + # OAK doesn't exist but wanted to keep this around for any future 403GCX boards +@@ -194,7 +200,7 @@ + + config 405EP + bool +- depends on BUBINGA ++ depends on BUBINGA || MAGICBOX + default y + + config 405GP +diff -Nru linux-2.6.18/arch/ppc/platforms/4xx/Makefile linux-2.6.18-magicbox/arch/ppc/platforms/4xx/Makefile +--- linux-2.6.18/arch/ppc/platforms/4xx/Makefile 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicbox/arch/ppc/platforms/4xx/Makefile 2006-09-22 03:37:18.000000000 +0200 +@@ -13,6 +13,7 @@ + obj-$(CONFIG_REDWOOD_6) += redwood6.o + obj-$(CONFIG_SYCAMORE) += sycamore.o + obj-$(CONFIG_WALNUT) += walnut.o ++obj-$(CONFIG_MAGICBOX) += magicbox.o + obj-$(CONFIG_XILINX_ML300) += xilinx_ml300.o + obj-$(CONFIG_XILINX_ML403) += xilinx_ml403.o + +diff -Nru linux-2.6.18/arch/ppc/platforms/4xx/magicbox.c linux-2.6.18-magicbox/arch/ppc/platforms/4xx/magicbox.c +--- linux-2.6.18/arch/ppc/platforms/4xx/magicbox.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-magicbox/arch/ppc/platforms/4xx/magicbox.c 2006-09-22 03:37:18.000000000 +0200 +@@ -0,0 +1,249 @@ ++/* ++ * Support for IBM PPC 405EP-based MagicBox board ++ * Copyright (C) 2006 Karol Lewandowski ++ * ++ * Heavily based on bubinga.c ++ * ++ * Author: SAW (IBM), derived from walnut.c. ++ * Maintained by MontaVista Software <source@mvista.com> ++ * ++ * 2003 (c) MontaVista Softare Inc. This file is licensed under the ++ * terms of the GNU General Public License version 2. This program is ++ * licensed "as is" without any warranty of any kind, whether express ++ * or implied. ++ */ ++ ++#include <linux/config.h> ++#include <linux/init.h> ++#include <linux/smp.h> ++#include <linux/threads.h> ++#include <linux/param.h> ++#include <linux/string.h> ++#include <linux/blkdev.h> ++#include <linux/pci.h> ++#include <linux/tty.h> ++#include <linux/serial.h> ++#include <linux/serial_core.h> ++ ++#include <asm/system.h> ++#include <asm/pci-bridge.h> ++#include <asm/processor.h> ++#include <asm/machdep.h> ++#include <asm/page.h> ++#include <asm/time.h> ++#include <asm/io.h> ++#include <asm/kgdb.h> ++#include <asm/ocp.h> ++#include <asm/ibm_ocp_pci.h> ++ ++#include <platforms/4xx/ibm405ep.h> ++ ++#undef DEBUG ++ ++#ifdef DEBUG ++#define DBG(x...) printk(x) ++#else ++#define DBG(x...) ++#endif ++ ++extern bd_t __res; ++ ++/* Some IRQs unique to board ++ * Used by the generic 405 PCI setup functions in ppc4xx_pci.c ++ */ ++int __init ++ppc405_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) ++{ ++ static char pci_irq_table[][4] = ++ /* ++ * PCI IDSEL/INTPIN->INTLINE ++ * A B C D ++ */ ++ { ++ {28, 28, 28, 28}, /* IDSEL 1 - PCI slot 1 */ ++ {29, 29, 29, 29}, /* IDSEL 2 - PCI slot 2 */ ++ {30, 30, 30, 30}, /* IDSEL 3 - PCI slot 3 */ ++ {31, 31, 31, 31}, /* IDSEL 4 - PCI slot 4 */ ++ }; ++ ++ const long min_idsel = 1, max_idsel = 4, irqs_per_slot = 4; ++ return PCI_IRQ_TABLE_LOOKUP; ++}; ++ ++ ++/* The serial clock for the chip is an internal clock determined by ++ * different clock speeds/dividers. ++ * Calculate the proper input baud rate and setup the serial driver. ++ */ ++static void __init ++magicbox_early_serial_map(void) ++{ ++ u32 uart_div; ++ int uart_clock; ++ struct uart_port port; ++ ++ /* Calculate the serial clock input frequency ++ * ++ * The base baud is the PLL OUTA (provided in the board info ++ * structure) divided by the external UART Divisor, divided ++ * by 16. ++ */ ++ uart_div = (mfdcr(DCRN_CPC0_UCR_BASE) & DCRN_CPC0_UCR_U0DIV); ++ uart_clock = __res.bi_procfreq / uart_div; ++ ++ /* Setup serial port access */ ++ memset(&port, 0, sizeof(port)); ++ port.membase = (void*)ACTING_UART0_IO_BASE; ++ port.irq = ACTING_UART0_INT; ++ port.uartclk = uart_clock; ++ port.regshift = 0; ++ port.iotype = UPIO_MEM; ++ port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; ++ port.line = 0; ++ ++ if (early_serial_setup(&port) != 0) { ++ printk("Early serial init of port 0 failed\n"); ++ } ++ ++ port.membase = (void*)ACTING_UART1_IO_BASE; ++ port.irq = ACTING_UART1_INT; ++ port.line = 1; ++ ++ if (early_serial_setup(&port) != 0) { ++ printk("Early serial init of port 1 failed\n"); ++ } ++} ++ ++void __init ++bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip) ++{ ++ unsigned int bar_response, bar; ++ /* ++ * Expected PCI mapping: ++ * ++ * PLB addr PCI memory addr ++ * --------------------- --------------------- ++ * 0000'0000 - 7fff'ffff <--- 0000'0000 - 7fff'ffff ++ * 8000'0000 - Bfff'ffff ---> 8000'0000 - Bfff'ffff ++ * ++ * PLB addr PCI io addr ++ * --------------------- --------------------- ++ * e800'0000 - e800'ffff ---> 0000'0000 - 0001'0000 ++ * ++ * The following code is simplified by assuming that the bootrom ++ * has been well behaved in following this mapping. ++ */ ++ ++#ifdef DEBUG ++ int i; ++ ++ printk("ioremap PCLIO_BASE = 0x%x\n", pcip); ++ printk("PCI bridge regs before fixup \n"); ++ for (i = 0; i <= 3; i++) { ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].ma))); ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].la))); ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pcila))); ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pciha))); ++ } ++ printk(" ptm1ms\t0x%x\n", in_le32(&(pcip->ptm1ms))); ++ printk(" ptm1la\t0x%x\n", in_le32(&(pcip->ptm1la))); ++ printk(" ptm2ms\t0x%x\n", in_le32(&(pcip->ptm2ms))); ++ printk(" ptm2la\t0x%x\n", in_le32(&(pcip->ptm2la))); ++ ++#endif ++ ++ /* added for IBM boot rom version 1.15 bios bar changes -AK */ ++ ++ /* Disable region first */ ++ out_le32((void *) &(pcip->pmm[0].ma), 0x00000000); ++ /* PLB starting addr, PCI: 0x80000000 */ ++ out_le32((void *) &(pcip->pmm[0].la), 0x80000000); ++ /* PCI start addr, 0x80000000 */ ++ out_le32((void *) &(pcip->pmm[0].pcila), PPC405_PCI_MEM_BASE); ++ /* 512MB range of PLB to PCI */ ++ out_le32((void *) &(pcip->pmm[0].pciha), 0x00000000); ++ /* Enable no pre-fetch, enable region */ ++ out_le32((void *) &(pcip->pmm[0].ma), ((0xffffffff - ++ (PPC405_PCI_UPPER_MEM - ++ PPC405_PCI_MEM_BASE)) | 0x01)); ++ ++ /* Disable region one */ ++ out_le32((void *) &(pcip->pmm[1].ma), 0x00000000); ++ out_le32((void *) &(pcip->pmm[1].la), 0x00000000); ++ out_le32((void *) &(pcip->pmm[1].pcila), 0x00000000); ++ out_le32((void *) &(pcip->pmm[1].pciha), 0x00000000); ++ out_le32((void *) &(pcip->pmm[1].ma), 0x00000000); ++ out_le32((void *) &(pcip->ptm1ms), 0x00000001); ++ ++ /* Disable region two */ ++ out_le32((void *) &(pcip->pmm[2].ma), 0x00000000); ++ out_le32((void *) &(pcip->pmm[2].la), 0x00000000); ++ out_le32((void *) &(pcip->pmm[2].pcila), 0x00000000); ++ out_le32((void *) &(pcip->pmm[2].pciha), 0x00000000); ++ out_le32((void *) &(pcip->pmm[2].ma), 0x00000000); ++ out_le32((void *) &(pcip->ptm2ms), 0x00000000); ++ out_le32((void *) &(pcip->ptm2la), 0x00000000); ++ ++ /* Zero config bars */ ++ for (bar = PCI_BASE_ADDRESS_1; bar <= PCI_BASE_ADDRESS_2; bar += 4) { ++ early_write_config_dword(hose, hose->first_busno, ++ PCI_FUNC(hose->first_busno), bar, ++ 0x00000000); ++ early_read_config_dword(hose, hose->first_busno, ++ PCI_FUNC(hose->first_busno), bar, ++ &bar_response); ++ DBG("BUS %d, device %d, Function %d bar 0x%8.8x is 0x%8.8x\n", ++ hose->first_busno, PCI_SLOT(hose->first_busno), ++ PCI_FUNC(hose->first_busno), bar, bar_response); ++ } ++ /* end work arround */ ++ ++#ifdef DEBUG ++ printk("PCI bridge regs after fixup \n"); ++ for (i = 0; i <= 3; i++) { ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].ma))); ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].la))); ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pcila))); ++ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pciha))); ++ } ++ printk(" ptm1ms\t0x%x\n", in_le32(&(pcip->ptm1ms))); ++ printk(" ptm1la\t0x%x\n", in_le32(&(pcip->ptm1la))); ++ printk(" ptm2ms\t0x%x\n", in_le32(&(pcip->ptm2ms))); ++ printk(" ptm2la\t0x%x\n", in_le32(&(pcip->ptm2la))); ++ ++#endif /* DEBUG */ ++} ++ ++void __init ++magicbox_setup_arch(void) ++{ ++ ppc4xx_setup_arch(); ++ ++ ibm_ocp_set_emac(0, 1); ++ ++ magicbox_early_serial_map(); ++ ++ /* Identify the system */ ++ printk("MagicBox port (C) 2005 Karol Lewandowski <kl@jasmine.eu.org>\n"); ++} ++ ++void __init ++magicbox_map_io(void) ++{ ++ ppc4xx_map_io(); ++} ++ ++void __init ++platform_init(unsigned long r3, unsigned long r4, unsigned long r5, ++ unsigned long r6, unsigned long r7) ++{ ++ ppc4xx_init(r3, r4, r5, r6, r7); ++ ++ ppc_md.setup_arch = magicbox_setup_arch; ++ ppc_md.setup_io_mappings = magicbox_map_io; ++ ++#ifdef CONFIG_KGDB ++ ppc_md.early_serial_map = magicbox_early_serial_map; ++#endif ++ ++} +diff -Nru linux-2.6.18/arch/ppc/platforms/4xx/magicbox.h linux-2.6.18-magicbox/arch/ppc/platforms/4xx/magicbox.h +--- linux-2.6.18/arch/ppc/platforms/4xx/magicbox.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-magicbox/arch/ppc/platforms/4xx/magicbox.h 2006-09-22 03:37:18.000000000 +0200 +@@ -0,0 +1,47 @@ ++/* ++ * Support for IBM PPC 405EP-based MagicBox board ++ * ++ * Heavily based on bubinga.h ++ * ++ * ++ * Author: SAW (IBM), derived from walnut.h. ++ * Maintained by MontaVista Software <source@mvista.com> ++ * ++ * 2003 (c) MontaVista Softare Inc. This file is licensed under the ++ * terms of the GNU General Public License version 2. This program is ++ * licensed "as is" without any warranty of any kind, whether express ++ * or implied. ++ */ ++ ++#ifdef __KERNEL__ ++#ifndef __MAGICBOX_H__ ++#define __MAGICBOX_H__ ++ ++#include <linux/config.h> ++#include <platforms/4xx/ibm405ep.h> ++#include <asm/ppcboot.h> ++ ++/* Memory map for the "MagicBox" 405EP evaluation board -- generic 4xx. */ ++ ++/* The UART clock is based off an internal clock - ++ * define BASE_BAUD based on the internal clock and divider(s). ++ * Since BASE_BAUD must be a constant, we will initialize it ++ * using clock/divider values which OpenBIOS initializes ++ * for typical configurations at various CPU speeds. ++ * The base baud is calculated as (FWDA / EXT UART DIV / 16) ++ */ ++#define BASE_BAUD 0 ++ ++/* Flash */ ++#define PPC40x_FPGA_BASE 0xF0300000 ++#define PPC40x_FPGA_REG_OFFS 1 /* offset to flash map reg */ ++#define PPC40x_FLASH_ONBD_N(x) (x & 0x02) ++#define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01) ++#define PPC40x_FLASH_LOW 0xFFF00000 ++#define PPC40x_FLASH_HIGH 0xFFF80000 ++#define PPC40x_FLASH_SIZE 0x80000 ++ ++#define PPC4xx_MACHINE_NAME "MagicBox" ++ ++#endif /* __MAGICBOX_H__ */ ++#endif /* __KERNEL__ */ +diff -Nru linux-2.6.18/include/asm-ppc/ibm4xx.h linux-2.6.18-magicbox/include/asm-ppc/ibm4xx.h +--- linux-2.6.18/include/asm-ppc/ibm4xx.h 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicbox/include/asm-ppc/ibm4xx.h 2006-09-22 03:37:18.000000000 +0200 +@@ -18,6 +18,10 @@ + + #ifdef CONFIG_40x + ++#if defined(CONFIG_MAGICBOX) ++#include <platforms/4xx/magicbox.h> ++#endif ++ + #if defined(CONFIG_BUBINGA) + #include <platforms/4xx/bubinga.h> + #endif diff --git a/recipes/linux/linux-magicbox-2.6.18.6/002-magicbox-mtd-map-2.6.18.patch b/recipes/linux/linux-magicbox-2.6.18.6/002-magicbox-mtd-map-2.6.18.patch new file mode 100644 index 0000000000..f549f34420 --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/002-magicbox-mtd-map-2.6.18.patch @@ -0,0 +1,136 @@ +diff -Nru linux-2.6.18/drivers/mtd/maps/Kconfig linux-2.6.18-magicmap/drivers/mtd/maps/Kconfig +--- linux-2.6.18/drivers/mtd/maps/Kconfig 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicmap/drivers/mtd/maps/Kconfig 2006-09-22 03:36:25.000000000 +0200 +@@ -323,6 +323,15 @@ + Walnut board. If you have one of these boards and would like to + use the flash chips on it, say 'Y'. + ++config MTD_MAGICMAP ++ tristate "Flash device mapped on IBM 405EP MagicBox" ++ depends on MTD_CFI && MTD_PARTITIONS && 40x && MAGICBOX ++ help ++ This enables access routines for the flash chips on the IBM 405EP ++ MagicBox board. If you have one of these boards and would like to ++ use the flash chips on it, say 'Y'. ++ ++ + config MTD_EBONY + tristate "Flash devices mapped on IBM 440GP Ebony" + depends on MTD_JEDECPROBE && EBONY +diff -Nru linux-2.6.18/drivers/mtd/maps/Makefile linux-2.6.18-magicmap/drivers/mtd/maps/Makefile +--- linux-2.6.18/drivers/mtd/maps/Makefile 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicmap/drivers/mtd/maps/Makefile 2006-09-22 03:36:25.000000000 +0200 +@@ -58,6 +58,7 @@ + obj-$(CONFIG_MTD_BEECH) += beech-mtd.o + obj-$(CONFIG_MTD_ARCTIC) += arctic-mtd.o + obj-$(CONFIG_MTD_WALNUT) += walnut.o ++obj-$(CONFIG_MTD_MAGICMAP) += magicmap.o + obj-$(CONFIG_MTD_H720X) += h720x-flash.o + obj-$(CONFIG_MTD_SBC8240) += sbc8240.o + obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o +diff -Nru linux-2.6.18/drivers/mtd/maps/magicmap.c linux-2.6.18-magicmap/drivers/mtd/maps/magicmap.c +--- linux-2.6.18/drivers/mtd/maps/magicmap.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-magicmap/drivers/mtd/maps/magicmap.c 2006-09-22 03:36:25.000000000 +0200 +@@ -0,0 +1,102 @@ ++/* ++ * magicmap.c: Copyleft 2005 Karol Lewandowski ++ * ++ * Mapping for MagicBox flash. ++ * Based on walnut.c. ++ * ++ * Heikki Lindholm <holindho@infradead.org> ++ * ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#include <linux/module.h> ++#include <linux/types.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/map.h> ++#include <linux/mtd/partitions.h> ++#include <linux/config.h> ++#include <asm/io.h> ++ ++static struct mtd_info *flash; ++ ++static struct map_info magic_map = { ++ .name = "Magically mapped flash", ++ .phys = 0xffc00000, ++ .size = 0x400000, ++ .bankwidth = 2, ++}; ++ ++static struct mtd_partition magic_partitions[] = { ++ { ++ .name = "kernel", ++ .offset = 0x0, ++ .size = 0x0e0000, ++ }, ++ { ++ .name = "ramdisk", ++ .offset = 0x0e0000, ++ .size = 0x2c0000, ++ }, ++ { ++ .name = "persistent", ++ .offset = 0x3a0000, ++ .size = 0x020000, ++ }, ++ { ++ .name = "bootloader", ++ .offset = 0x3c0000, ++ .size = 0x040000, ++ .mask_flags = MTD_WRITEABLE, ++ }, ++}; ++ ++int __init init_magic(void) ++{ ++ magic_map.virt = ++ (void __iomem *)ioremap(magic_map.phys, magic_map.size); ++ ++ if (!magic_map.virt) { ++ printk("Failed to ioremap flash.\n"); ++ return -EIO; ++ } ++ ++ simple_map_init(&magic_map); ++ ++ flash = do_map_probe("cfi_probe", &magic_map); ++ if (flash) { ++ flash->owner = THIS_MODULE; ++ add_mtd_partitions(flash, magic_partitions, ++ ARRAY_SIZE(magic_partitions)); ++ } else { ++ printk("map probe failed for flash\n"); ++ return -ENXIO; ++ } ++ ++ return 0; ++} ++ ++static void __exit cleanup_magic(void) ++{ ++ if (flash) { ++ del_mtd_partitions(flash); ++ map_destroy(flash); ++ } ++ ++ if (magic_map.virt) { ++ iounmap((void *)magic_map.virt); ++ magic_map.virt = NULL; ++ } ++} ++ ++module_init(init_magic); ++module_exit(cleanup_magic); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Karol Lewandowski"); ++MODULE_DESCRIPTION("MTD map and partitions for IBM 405EP MagicBox boards"); diff --git a/recipes/linux/linux-magicbox-2.6.18.6/010-load-ramdisk-even-if-rootdev-equals-ramdisk.patch b/recipes/linux/linux-magicbox-2.6.18.6/010-load-ramdisk-even-if-rootdev-equals-ramdisk.patch new file mode 100644 index 0000000000..d980be9d6c --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/010-load-ramdisk-even-if-rootdev-equals-ramdisk.patch @@ -0,0 +1,16 @@ +--- linux-2.6.15-magicbox3/init/do_mounts_initrd.c~ 2005-08-31 00:26:43.000000000 +0200 ++++ linux-2.6.15-magicbox3/init/do_mounts_initrd.c 2006-05-14 14:00:35.000000000 +0200 +@@ -112,8 +112,12 @@ + * unless /dev/ram0 is supposed to be our actual root device, + * in that case the ram disk is just set up here, and gets + * mounted in the normal path. ++ * ++ * Not true for magicbox: someone put root=/dev/ram into ++ * bootloader defaults and prepared hundreds of boards... ++ * Fix issue there. + */ +- if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) { ++ if (rd_load_image("/initrd.image")) { + sys_unlink("/initrd.image"); + handle_initrd(); + return 1; diff --git a/recipes/linux/linux-magicbox-2.6.18.6/config-2.6.18-magicbox2 b/recipes/linux/linux-magicbox-2.6.18.6/config-2.6.18-magicbox2 new file mode 100644 index 0000000000..c181d182cf --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/config-2.6.18-magicbox2 @@ -0,0 +1,1204 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.18-magicbox2 +# Thu Dec 28 19:45:11 2006 +# +CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_PPC=y +CONFIG_PPC32=y +CONFIG_GENERIC_NVRAM=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL=y +# CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +# CONFIG_FUTEX is not set +# CONFIG_EPOLL is not set +CONFIG_SHMEM=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y + +# +# Block layer +# +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +CONFIG_DEFAULT_NOOP=y +CONFIG_DEFAULT_IOSCHED="noop" + +# +# Processor +# +# CONFIG_6xx is not set +CONFIG_40x=y +# CONFIG_44x is not set +# CONFIG_8xx is not set +# CONFIG_E200 is not set +# CONFIG_E500 is not set +# CONFIG_MATH_EMULATION is not set +# CONFIG_KEXEC is not set +# CONFIG_CPU_FREQ is not set +CONFIG_4xx=y +CONFIG_WANT_EARLY_SERIAL=y + +# +# IBM 4xx options +# +# CONFIG_BUBINGA is not set +# CONFIG_CPCI405 is not set +# CONFIG_EP405 is not set +# CONFIG_REDWOOD_5 is not set +# CONFIG_REDWOOD_6 is not set +# CONFIG_SYCAMORE is not set +# CONFIG_WALNUT is not set +CONFIG_MAGICBOX=y +# CONFIG_XILINX_ML300 is not set +# CONFIG_XILINX_ML403 is not set +CONFIG_IBM_OCP=y +CONFIG_BIOS_FIXUP=y +CONFIG_405EP=y +CONFIG_PPC4xx_DMA=y +CONFIG_PPC4xx_EDMA=y +CONFIG_PPC_GEN550=y +CONFIG_UART0_TTYS0=y +# CONFIG_UART0_TTYS1 is not set +CONFIG_NOT_COHERENT_CACHE=y + +# +# Platform options +# +# CONFIG_PC_KEYBOARD is not set +# CONFIG_HIGHMEM is not set +CONFIG_HZ_100=y +# CONFIG_HZ_250 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=100 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +# CONFIG_PPC_I8259 is not set +CONFIG_PPC_INDIRECT_PCI=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_HIGHMEM_START=0xfe000000 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_CONSISTENT_START=0xff100000 +CONFIG_CONSISTENT_SIZE=0x00200000 +CONFIG_BOOT_LOAD=0x00400000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_ROUTE_FWMARK=y +CONFIG_IP_ROUTE_MULTIPATH=y +# CONFIG_IP_ROUTE_MULTIPATH_CACHED is not set +CONFIG_IP_ROUTE_VERBOSE=y +# CONFIG_IP_PNP is not set +# CONFIG_NET_IPIP is not set +CONFIG_NET_IPGRE=y +CONFIG_NET_IPGRE_BROADCAST=y +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_DIAG is not set +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_BIC=y + +# +# IP: Virtual Server Configuration +# +# CONFIG_IP_VS is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_BRIDGE_NETFILTER=y + +# +# Core Netfilter Configuration +# +# CONFIG_NETFILTER_NETLINK is not set +CONFIG_NETFILTER_XTABLES=y +CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y +CONFIG_NETFILTER_XT_TARGET_CONNMARK=m +CONFIG_NETFILTER_XT_TARGET_MARK=y +CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y +CONFIG_NETFILTER_XT_TARGET_NOTRACK=m +CONFIG_NETFILTER_XT_MATCH_COMMENT=y +# CONFIG_NETFILTER_XT_MATCH_CONNBYTES is not set +CONFIG_NETFILTER_XT_MATCH_CONNMARK=m +CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m +# CONFIG_NETFILTER_XT_MATCH_DCCP is not set +CONFIG_NETFILTER_XT_MATCH_ESP=y +CONFIG_NETFILTER_XT_MATCH_HELPER=m +CONFIG_NETFILTER_XT_MATCH_LENGTH=y +CONFIG_NETFILTER_XT_MATCH_LIMIT=y +CONFIG_NETFILTER_XT_MATCH_MAC=y +CONFIG_NETFILTER_XT_MATCH_MARK=y +CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y +CONFIG_NETFILTER_XT_MATCH_PHYSDEV=y +CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y +CONFIG_NETFILTER_XT_MATCH_QUOTA=y +CONFIG_NETFILTER_XT_MATCH_REALM=y +# CONFIG_NETFILTER_XT_MATCH_SCTP is not set +CONFIG_NETFILTER_XT_MATCH_STATE=m +# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set +CONFIG_NETFILTER_XT_MATCH_STRING=y +CONFIG_NETFILTER_XT_MATCH_TCPMSS=y + +# +# IP: Netfilter Configuration +# +CONFIG_IP_NF_CONNTRACK=m +CONFIG_IP_NF_CT_ACCT=y +CONFIG_IP_NF_CONNTRACK_MARK=y +# CONFIG_IP_NF_CONNTRACK_EVENTS is not set +# CONFIG_IP_NF_CT_PROTO_SCTP is not set +CONFIG_IP_NF_FTP=m +CONFIG_IP_NF_IRC=m +# CONFIG_IP_NF_NETBIOS_NS is not set +CONFIG_IP_NF_TFTP=m +# CONFIG_IP_NF_AMANDA is not set +CONFIG_IP_NF_PPTP=m +# CONFIG_IP_NF_H323 is not set +# CONFIG_IP_NF_SIP is not set +# CONFIG_IP_NF_QUEUE is not set +CONFIG_IP_NF_IPTABLES=y +CONFIG_IP_NF_MATCH_IPRANGE=y +CONFIG_IP_NF_MATCH_LAYER7=m +# CONFIG_IP_NF_MATCH_LAYER7_DEBUG is not set +CONFIG_IP_NF_MATCH_TOS=y +# CONFIG_IP_NF_MATCH_RECENT is not set +CONFIG_IP_NF_MATCH_ECN=y +CONFIG_IP_NF_MATCH_DSCP=y +CONFIG_IP_NF_MATCH_AH=y +CONFIG_IP_NF_MATCH_TTL=y +# CONFIG_IP_NF_MATCH_OWNER is not set +CONFIG_IP_NF_MATCH_ADDRTYPE=y +CONFIG_IP_NF_MATCH_HASHLIMIT=y +CONFIG_IP_NF_FILTER=y +CONFIG_IP_NF_TARGET_REJECT=y +CONFIG_IP_NF_TARGET_LOG=y +CONFIG_IP_NF_TARGET_ULOG=y +CONFIG_IP_NF_TARGET_TCPMSS=y +CONFIG_IP_NF_NAT=m +CONFIG_IP_NF_NAT_NEEDED=y +CONFIG_IP_NF_TARGET_MASQUERADE=m +CONFIG_IP_NF_TARGET_REDIRECT=m +CONFIG_IP_NF_TARGET_NETMAP=m +CONFIG_IP_NF_TARGET_SAME=m +# CONFIG_IP_NF_NAT_SNMP_BASIC is not set +CONFIG_IP_NF_NAT_IRC=m +CONFIG_IP_NF_NAT_FTP=m +CONFIG_IP_NF_NAT_TFTP=m +CONFIG_IP_NF_NAT_PPTP=m +CONFIG_IP_NF_MANGLE=y +CONFIG_IP_NF_TARGET_TOS=y +CONFIG_IP_NF_TARGET_ECN=y +# CONFIG_IP_NF_TARGET_DSCP is not set +CONFIG_IP_NF_TARGET_TTL=y +CONFIG_IP_NF_TARGET_CLUSTERIP=m +CONFIG_IP_NF_RAW=y +CONFIG_IP_NF_ARPTABLES=y +CONFIG_IP_NF_ARPFILTER=y +CONFIG_IP_NF_ARP_MANGLE=y + +# +# Bridge: Netfilter Configuration +# +CONFIG_BRIDGE_NF_EBTABLES=y +CONFIG_BRIDGE_EBT_BROUTE=y +CONFIG_BRIDGE_EBT_T_FILTER=y +CONFIG_BRIDGE_EBT_T_NAT=y +CONFIG_BRIDGE_EBT_802_3=y +CONFIG_BRIDGE_EBT_AMONG=y +CONFIG_BRIDGE_EBT_ARP=y +CONFIG_BRIDGE_EBT_IP=y +CONFIG_BRIDGE_EBT_LIMIT=y +CONFIG_BRIDGE_EBT_MARK=y +CONFIG_BRIDGE_EBT_PKTTYPE=y +CONFIG_BRIDGE_EBT_STP=y +CONFIG_BRIDGE_EBT_VLAN=y +CONFIG_BRIDGE_EBT_ARPREPLY=y +CONFIG_BRIDGE_EBT_DNAT=y +CONFIG_BRIDGE_EBT_MARK_T=y +CONFIG_BRIDGE_EBT_REDIRECT=y +CONFIG_BRIDGE_EBT_SNAT=y +CONFIG_BRIDGE_EBT_LOG=y +CONFIG_BRIDGE_EBT_ULOG=y + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +CONFIG_BRIDGE=y +CONFIG_VLAN_8021Q=y +# CONFIG_DECNET is not set +CONFIG_LLC=y +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +CONFIG_NET_SCHED=y +CONFIG_NET_SCH_CLK_JIFFIES=y +# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set +# CONFIG_NET_SCH_CLK_CPU is not set + +# +# Queueing/Scheduling +# +# CONFIG_NET_SCH_CBQ is not set +CONFIG_NET_SCH_HTB=y +CONFIG_NET_SCH_HFSC=m +CONFIG_NET_SCH_PRIO=y +CONFIG_NET_SCH_RED=m +CONFIG_NET_SCH_SFQ=y +CONFIG_NET_SCH_TEQL=m +CONFIG_NET_SCH_TBF=y +CONFIG_NET_SCH_GRED=m +CONFIG_NET_SCH_DSMARK=m +# CONFIG_NET_SCH_NETEM is not set +CONFIG_NET_SCH_INGRESS=y + +# +# Classification +# +CONFIG_NET_CLS=y +CONFIG_NET_CLS_BASIC=y +CONFIG_NET_CLS_TCINDEX=y +CONFIG_NET_CLS_ROUTE4=y +CONFIG_NET_CLS_ROUTE=y +CONFIG_NET_CLS_FW=y +CONFIG_NET_CLS_U32=y +# CONFIG_CLS_U32_PERF is not set +CONFIG_CLS_U32_MARK=y +CONFIG_NET_CLS_RSVP=m +# CONFIG_NET_CLS_RSVP6 is not set +# CONFIG_NET_EMATCH is not set +# CONFIG_NET_CLS_ACT is not set +# CONFIG_NET_CLS_POLICE is not set +# CONFIG_NET_CLS_IND is not set +CONFIG_NET_ESTIMATOR=y + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +CONFIG_IEEE80211=m +# CONFIG_IEEE80211_DEBUG is not set +CONFIG_IEEE80211_CRYPT_WEP=m +CONFIG_IEEE80211_CRYPT_CCMP=m +CONFIG_IEEE80211_CRYPT_TKIP=m +# CONFIG_IEEE80211_SOFTMAC is not set +CONFIG_WIRELESS_EXT=y + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# +# Memory Technology Devices (MTD) +# +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +# CONFIG_MTD_BLOCK is not set +# CONFIG_MTD_BLOCK_RO is not set +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set +# CONFIG_MTD_OBSOLETE_CHIPS is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_MAGICMAP=y +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set + +# +# NAND Flash Device Drivers +# +# CONFIG_MTD_NAND is not set + +# +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=m +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=4 +CONFIG_BLK_DEV_RAM_SIZE=8192 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +CONFIG_BLK_DEV_INITRD=y +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# ATA/ATAPI/MFM/RLL support +# +CONFIG_IDE=y +CONFIG_BLK_DEV_IDE=y + +# +# Please see Documentation/ide.txt for help/info on IDE drives +# +# CONFIG_BLK_DEV_IDE_SATA is not set +CONFIG_BLK_DEV_IDEDISK=y +# CONFIG_IDEDISK_MULTI_MODE is not set +# CONFIG_BLK_DEV_IDECD is not set +# CONFIG_BLK_DEV_IDETAPE is not set +# CONFIG_BLK_DEV_IDEFLOPPY is not set +# CONFIG_IDE_TASK_IOCTL is not set + +# +# IDE chipset support/bugfixes +# +CONFIG_IDE_GENERIC=y +# CONFIG_BLK_DEV_IDEPCI is not set +# CONFIG_IDE_ARM is not set +CONFIG_BLK_DEV_MAGICBOX_IDE=y +CONFIG_BLK_DEV_MAGICBOX_PROTOTYPE=y +# CONFIG_BLK_DEV_IDEDMA is not set +# CONFIG_IDEDMA_AUTO is not set +# CONFIG_BLK_DEV_HD is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set + +# +# Macintosh device drivers +# +# CONFIG_WINDFARM is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +CONFIG_DUMMY=y +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +CONFIG_TUN=y + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set + +# +# PHY device support +# + +# +# Ethernet (10 or 100Mbit) +# +# CONFIG_NET_ETHERNET is not set +CONFIG_IBM_EMAC=y +CONFIG_IBM_EMAC_RXB=64 +CONFIG_IBM_EMAC_TXB=8 +CONFIG_IBM_EMAC_POLL_WEIGHT=32 +CONFIG_IBM_EMAC_RX_COPY_THRESHOLD=256 +CONFIG_IBM_EMAC_RX_SKB_HEADROOM=0 +# CONFIG_IBM_EMAC_PHY_RX_CLK_FIX is not set +# CONFIG_IBM_EMAC_DEBUG is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set + +# +# Ethernet (10000 Mbit) +# +# CONFIG_CHELSIO_T1 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set + +# +# Wireless LAN (non-hamradio) +# +CONFIG_NET_RADIO=y +# CONFIG_NET_WIRELESS_RTNETLINK is not set + +# +# Obsolete Wireless cards support (pre-802.11) +# +# CONFIG_STRIP is not set + +# +# Wireless 802.11b ISA/PCI cards support +# +# CONFIG_IPW2100 is not set +# CONFIG_IPW2200 is not set +# CONFIG_AIRO is not set +CONFIG_HERMES=m +# CONFIG_PLX_HERMES is not set +# CONFIG_TMD_HERMES is not set +# CONFIG_NORTEL_HERMES is not set +CONFIG_PCI_HERMES=m +# CONFIG_ATMEL is not set + +# +# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support +# +# CONFIG_PRISM54 is not set +CONFIG_HOSTAP=m +CONFIG_HOSTAP_FIRMWARE=y +# CONFIG_HOSTAP_FIRMWARE_NVRAM is not set +# CONFIG_HOSTAP_PLX is not set +CONFIG_HOSTAP_PCI=m +CONFIG_NET_WIRELESS=y + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +# CONFIG_SERIAL_8250_EXTENDED is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +CONFIG_SOFT_WATCHDOG=y +# CONFIG_BOOKE_WDT is not set + +# +# PCI-based Watchdog Cards +# +# CONFIG_PCIPCWATCHDOG is not set +# CONFIG_WDTPCI is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +# CONFIG_GEN_RTC is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set + +# +# Ftape, the floppy tape device driver +# +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set + +# +# I2C support +# +CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y + +# +# I2C Algorithms +# +# CONFIG_I2C_ALGOBIT is not set +# CONFIG_I2C_ALGOPCF is not set +# CONFIG_I2C_ALGOPCA is not set + +# +# I2C Hardware Bus support +# +# CONFIG_I2C_ALI1535 is not set +# CONFIG_I2C_ALI1563 is not set +# CONFIG_I2C_ALI15X3 is not set +# CONFIG_I2C_AMD756 is not set +# CONFIG_I2C_AMD8111 is not set +# CONFIG_I2C_I801 is not set +# CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set +CONFIG_I2C_IBM_IIC=y +# CONFIG_I2C_MPC is not set +# CONFIG_I2C_NFORCE2 is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PROSAVAGE is not set +# CONFIG_I2C_SAVAGE4 is not set +# CONFIG_I2C_SIS5595 is not set +# CONFIG_I2C_SIS630 is not set +# CONFIG_I2C_SIS96X is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_VIA is not set +# CONFIG_I2C_VIAPRO is not set +# CONFIG_I2C_VOODOO3 is not set +# CONFIG_I2C_PCA_ISA is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_M41T00 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# + +# +# Hardware Monitoring support +# +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ASB100 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +CONFIG_SENSORS_LM75=y +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_SIS5595 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_VIA686A is not set +# CONFIG_SENSORS_VT8231 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Misc devices +# + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# File systems +# +CONFIG_EXT2_FS=m +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +# CONFIG_EXT3_FS is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +CONFIG_ROMFS_FS=y +# CONFIG_INOTIFY is not set +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +# CONFIG_PROC_KCORE is not set +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_JFFS_FS is not set +# CONFIG_JFFS2_FS is not set +# CONFIG_CRAMFS is not set +CONFIG_SQUASHFS=y +# CONFIG_SQUASHFS_EMBEDDED is not set +CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3 +# CONFIG_SQUASHFS_VMALLOC is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=m +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_LOCKD=m +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=m +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# IBM 40x options +# + +# +# Library routines +# +CONFIG_CRC_CCITT=m +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_TEXTSEARCH=y +CONFIG_TEXTSEARCH_KMP=y +CONFIG_TEXTSEARCH_BM=y +CONFIG_TEXTSEARCH_FSM=y +# CONFIG_PROFILING is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_KERNEL is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_DEBUG_FS is not set +# CONFIG_SERIAL_TEXT_DEBUG is not set +CONFIG_PPC_OCP=y + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +CONFIG_CRYPTO=y +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +CONFIG_CRYPTO_AES=y +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +CONFIG_CRYPTO_ARC4=y +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +CONFIG_CRYPTO_MICHAEL_MIC=y +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# diff --git a/recipes/linux/linux-magicbox-2.6.18.6/kernel-2.6.18-layer7-2.6.patch b/recipes/linux/linux-magicbox-2.6.18.6/kernel-2.6.18-layer7-2.6.patch new file mode 100644 index 0000000000..63e36d7a5c --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/kernel-2.6.18-layer7-2.6.patch @@ -0,0 +1,2051 @@ +--- linux-2.6.18/include/linux/netfilter_ipv4/ip_conntrack.h 2006-09-19 22:42:06.000000000 -0500 ++++ linux-2.6.18-layer7/include/linux/netfilter_ipv4/ip_conntrack.h 2006-09-24 10:17:45.000000000 -0500 +@@ -127,6 +127,15 @@ struct ip_conntrack + /* Traversed often, so hopefully in different cacheline to top */ + /* These are my tuples; original and reply */ + struct ip_conntrack_tuple_hash tuplehash[IP_CT_DIR_MAX]; ++ ++#if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE) ++ struct { ++ char * app_proto; /* e.g. "http". NULL before decision. "unknown" after decision if no match */ ++ char * app_data; /* application layer data so far. NULL after match decision */ ++ unsigned int app_data_len; ++ } layer7; ++#endif ++ + }; + + struct ip_conntrack_expect +--- linux-2.6.18/include/linux/netfilter_ipv4/ipt_layer7.h 1969-12-31 18:00:00.000000000 -0600 ++++ linux-2.6.18-layer7/include/linux/netfilter_ipv4/ipt_layer7.h 2006-09-24 10:17:45.000000000 -0500 +@@ -0,0 +1,26 @@ ++/* ++ By Matthew Strait <quadong@users.sf.net>, Dec 2003. ++ http://l7-filter.sf.net ++ ++ This program is free software; you can redistribute it and/or ++ modify it under the terms of the GNU General Public License ++ as published by the Free Software Foundation; either version ++ 2 of the License, or (at your option) any later version. ++ http://www.gnu.org/licenses/gpl.txt ++*/ ++ ++#ifndef _IPT_LAYER7_H ++#define _IPT_LAYER7_H ++ ++#define MAX_PATTERN_LEN 8192 ++#define MAX_PROTOCOL_LEN 256 ++ ++typedef char *(*proc_ipt_search) (char *, char, char *); ++ ++struct ipt_layer7_info { ++ char protocol[MAX_PROTOCOL_LEN]; ++ char invert:1; ++ char pattern[MAX_PATTERN_LEN]; ++}; ++ ++#endif /* _IPT_LAYER7_H */ +--- linux-2.6.18/net/ipv4/netfilter/Kconfig 2006-09-19 22:42:06.000000000 -0500 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/Kconfig 2006-09-24 10:17:45.000000000 -0500 +@@ -248,6 +248,24 @@ config IP_NF_MATCH_IPRANGE + + To compile it as a module, choose M here. If unsure, say N. + ++config IP_NF_MATCH_LAYER7 ++ tristate "Layer 7 match support (EXPERIMENTAL)" ++ depends on IP_NF_IPTABLES && IP_NF_CT_ACCT && IP_NF_CONNTRACK && EXPERIMENTAL ++ help ++ Say Y if you want to be able to classify connections (and their ++ packets) based on regular expression matching of their application ++ layer data. This is one way to classify applications such as ++ peer-to-peer filesharing systems that do not always use the same ++ port. ++ ++ To compile it as a module, choose M here. If unsure, say N. ++ ++config IP_NF_MATCH_LAYER7_DEBUG ++ bool "Layer 7 debugging output" ++ depends on IP_NF_MATCH_LAYER7 ++ help ++ Say Y to get lots of debugging output. ++ + config IP_NF_MATCH_TOS + tristate "TOS match support" + depends on IP_NF_IPTABLES +--- linux-2.6.18/net/ipv4/netfilter/Makefile 2006-09-19 22:42:06.000000000 -0500 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/Makefile 2006-09-24 10:17:45.000000000 -0500 +@@ -64,6 +64,8 @@ obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o + obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o + obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o + ++obj-$(CONFIG_IP_NF_MATCH_LAYER7) += ipt_layer7.o ++ + # targets + obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o + obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS.o +--- linux-2.6.18/net/ipv4/netfilter/ip_conntrack_core.c 2006-09-19 22:42:06.000000000 -0500 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/ip_conntrack_core.c 2006-09-24 10:17:45.000000000 -0500 +@@ -338,6 +338,13 @@ destroy_conntrack(struct nf_conntrack *n + * too. */ + ip_ct_remove_expectations(ct); + ++ #if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE) ++ if(ct->layer7.app_proto) ++ kfree(ct->layer7.app_proto); ++ if(ct->layer7.app_data) ++ kfree(ct->layer7.app_data); ++ #endif ++ + /* We overload first tuple to link into unconfirmed list. */ + if (!is_confirmed(ct)) { + BUG_ON(list_empty(&ct->tuplehash[IP_CT_DIR_ORIGINAL].list)); +--- linux-2.6.18/net/ipv4/netfilter/ip_conntrack_standalone.c 2006-09-19 22:42:06.000000000 -0500 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/ip_conntrack_standalone.c 2006-09-24 10:17:45.000000000 -0500 +@@ -193,6 +193,12 @@ static int ct_seq_show(struct seq_file * + return -ENOSPC; + #endif + ++#if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE) ++ if(conntrack->layer7.app_proto) ++ if (seq_printf(s, "l7proto=%s ",conntrack->layer7.app_proto)) ++ return 1; ++#endif ++ + if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use))) + return -ENOSPC; + +--- linux-2.6.18/net/ipv4/netfilter/ipt_layer7.c 1969-12-31 18:00:00.000000000 -0600 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/ipt_layer7.c 2006-09-24 10:59:55.000000000 -0500 +@@ -0,0 +1,582 @@ ++/* ++ Kernel module to match application layer (OSI layer 7) ++ data in connections. ++ ++ http://l7-filter.sf.net ++ ++ By Matthew Strait and Ethan Sommer, 2003-2005. ++ ++ This program is free software; you can redistribute it and/or ++ modify it under the terms of the GNU General Public License ++ as published by the Free Software Foundation; either version ++ 2 of the License, or (at your option) any later version. ++ http://www.gnu.org/licenses/gpl.txt ++ ++ Based on ipt_string.c (C) 2000 Emmanuel Roger <winfield@freegates.be> ++ and cls_layer7.c (C) 2003 Matthew Strait, Ethan Sommer, Justin Levandoski ++*/ ++ ++#include <linux/module.h> ++#include <linux/skbuff.h> ++#include <linux/netfilter_ipv4/ip_conntrack.h> ++#include <linux/proc_fs.h> ++#include <linux/ctype.h> ++#include <net/ip.h> ++#include <net/tcp.h> ++#include <linux/spinlock.h> ++ ++#include "regexp/regexp.c" ++ ++#include <linux/netfilter_ipv4/ipt_layer7.h> ++#include <linux/netfilter_ipv4/ip_tables.h> ++ ++MODULE_AUTHOR("Matthew Strait <quadong@users.sf.net>, Ethan Sommer <sommere@users.sf.net>"); ++MODULE_LICENSE("GPL"); ++MODULE_DESCRIPTION("iptables application layer match module"); ++MODULE_VERSION("2.0"); ++ ++static int maxdatalen = 2048; // this is the default ++module_param(maxdatalen, int, 0444); ++MODULE_PARM_DESC(maxdatalen, "maximum bytes of data looked at by l7-filter"); ++ ++#ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG ++ #define DPRINTK(format,args...) printk(format,##args) ++#else ++ #define DPRINTK(format,args...) ++#endif ++ ++#define TOTAL_PACKETS master_conntrack->counters[IP_CT_DIR_ORIGINAL].packets + \ ++ master_conntrack->counters[IP_CT_DIR_REPLY].packets ++ ++/* Number of packets whose data we look at. ++This can be modified through /proc/net/layer7_numpackets */ ++static int num_packets = 10; ++ ++static struct pattern_cache { ++ char * regex_string; ++ regexp * pattern; ++ struct pattern_cache * next; ++} * first_pattern_cache = NULL; ++ ++/* I'm new to locking. Here are my assumptions: ++ ++- No one will write to /proc/net/layer7_numpackets over and over very fast; ++ if they did, nothing awful would happen. ++ ++- This code will never be processing the same packet twice at the same time, ++ because iptables rules are traversed in order. ++ ++- It doesn't matter if two packets from different connections are in here at ++ the same time, because they don't share any data. ++ ++- It _does_ matter if two packets from the same connection (or one from a ++ master and one from its child) are here at the same time. In this case, ++ we have to protect the conntracks and the list of compiled patterns. ++*/ ++DEFINE_RWLOCK(ct_lock); ++DEFINE_SPINLOCK(list_lock); ++ ++#ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG ++/* Converts an unfriendly string into a friendly one by ++replacing unprintables with periods and all whitespace with " ". */ ++static char * friendly_print(unsigned char * s) ++{ ++ char * f = kmalloc(strlen(s) + 1, GFP_ATOMIC); ++ int i; ++ ++ if(!f) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in friendly_print, bailing.\n"); ++ return NULL; ++ } ++ ++ for(i = 0; i < strlen(s); i++){ ++ if(isprint(s[i]) && s[i] < 128) f[i] = s[i]; ++ else if(isspace(s[i])) f[i] = ' '; ++ else f[i] = '.'; ++ } ++ f[i] = '\0'; ++ return f; ++} ++ ++static char dec2hex(int i) ++{ ++ switch (i) { ++ case 0 ... 9: ++ return (char)(i + '0'); ++ break; ++ case 10 ... 15: ++ return (char)(i - 10 + 'a'); ++ break; ++ default: ++ if (net_ratelimit()) ++ printk("Problem in dec2hex\n"); ++ return '\0'; ++ } ++} ++ ++static char * hex_print(unsigned char * s) ++{ ++ char * g = kmalloc(strlen(s)*3 + 1, GFP_ATOMIC); ++ int i; ++ ++ if(!g) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in hex_print, bailing.\n"); ++ return NULL; ++ } ++ ++ for(i = 0; i < strlen(s); i++) { ++ g[i*3 ] = dec2hex(s[i]/16); ++ g[i*3 + 1] = dec2hex(s[i]%16); ++ g[i*3 + 2] = ' '; ++ } ++ g[i*3] = '\0'; ++ ++ return g; ++} ++#endif // DEBUG ++ ++/* Use instead of regcomp. As we expect to be seeing the same regexps over and ++over again, it make sense to cache the results. */ ++static regexp * compile_and_cache(char * regex_string, char * protocol) ++{ ++ struct pattern_cache * node = first_pattern_cache; ++ struct pattern_cache * last_pattern_cache = first_pattern_cache; ++ struct pattern_cache * tmp; ++ unsigned int len; ++ ++ while (node != NULL) { ++ if (!strcmp(node->regex_string, regex_string)) ++ return node->pattern; ++ ++ last_pattern_cache = node;/* points at the last non-NULL node */ ++ node = node->next; ++ } ++ ++ /* If we reach the end of the list, then we have not yet cached ++ the pattern for this regex. Let's do that now. ++ Be paranoid about running out of memory to avoid list corruption. */ ++ tmp = kmalloc(sizeof(struct pattern_cache), GFP_ATOMIC); ++ ++ if(!tmp) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in compile_and_cache, bailing.\n"); ++ return NULL; ++ } ++ ++ tmp->regex_string = kmalloc(strlen(regex_string) + 1, GFP_ATOMIC); ++ tmp->pattern = kmalloc(sizeof(struct regexp), GFP_ATOMIC); ++ tmp->next = NULL; ++ ++ if(!tmp->regex_string || !tmp->pattern) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in compile_and_cache, bailing.\n"); ++ kfree(tmp->regex_string); ++ kfree(tmp->pattern); ++ kfree(tmp); ++ return NULL; ++ } ++ ++ /* Ok. The new node is all ready now. */ ++ node = tmp; ++ ++ if(first_pattern_cache == NULL) /* list is empty */ ++ first_pattern_cache = node; /* make node the beginning */ ++ else ++ last_pattern_cache->next = node; /* attach node to the end */ ++ ++ /* copy the string and compile the regex */ ++ len = strlen(regex_string); ++ DPRINTK("About to compile this: \"%s\"\n", regex_string); ++ node->pattern = regcomp(regex_string, &len); ++ if ( !node->pattern ) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: Error compiling regexp \"%s\" (%s)\n", regex_string, protocol); ++ /* pattern is now cached as NULL, so we won't try again. */ ++ } ++ ++ strcpy(node->regex_string, regex_string); ++ return node->pattern; ++} ++ ++static int can_handle(const struct sk_buff *skb) ++{ ++ if(!skb->nh.iph) /* not IP */ ++ return 0; ++ if(skb->nh.iph->protocol != IPPROTO_TCP && ++ skb->nh.iph->protocol != IPPROTO_UDP && ++ skb->nh.iph->protocol != IPPROTO_ICMP) ++ return 0; ++ return 1; ++} ++ ++/* Returns offset the into the skb->data that the application data starts */ ++static int app_data_offset(const struct sk_buff *skb) ++{ ++ /* In case we are ported somewhere (ebtables?) where skb->nh.iph ++ isn't set, this can be gotten from 4*(skb->data[0] & 0x0f) as well. */ ++ int ip_hl = 4*skb->nh.iph->ihl; ++ ++ if( skb->nh.iph->protocol == IPPROTO_TCP ) { ++ /* 12 == offset into TCP header for the header length field. ++ Can't get this with skb->h.th->doff because the tcphdr ++ struct doesn't get set when routing (this is confirmed to be ++ true in Netfilter as well as QoS.) */ ++ int tcp_hl = 4*(skb->data[ip_hl + 12] >> 4); ++ ++ return ip_hl + tcp_hl; ++ } else if( skb->nh.iph->protocol == IPPROTO_UDP ) { ++ return ip_hl + 8; /* UDP header is always 8 bytes */ ++ } else if( skb->nh.iph->protocol == IPPROTO_ICMP ) { ++ return ip_hl + 8; /* ICMP header is 8 bytes */ ++ } else { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: tried to handle unknown protocol!\n"); ++ return ip_hl + 8; /* something reasonable */ ++ } ++} ++ ++/* handles whether there's a match when we aren't appending data anymore */ ++static int match_no_append(struct ip_conntrack * conntrack, struct ip_conntrack * master_conntrack, ++ enum ip_conntrack_info ctinfo, enum ip_conntrack_info master_ctinfo, ++ struct ipt_layer7_info * info) ++{ ++ /* If we're in here, throw the app data away */ ++ write_lock(&ct_lock); ++ if(master_conntrack->layer7.app_data != NULL) { ++ ++ #ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG ++ if(!master_conntrack->layer7.app_proto) { ++ char * f = friendly_print(master_conntrack->layer7.app_data); ++ char * g = hex_print(master_conntrack->layer7.app_data); ++ DPRINTK("\nl7-filter gave up after %d bytes (%d packets):\n%s\n", ++ strlen(f), TOTAL_PACKETS, f); ++ kfree(f); ++ DPRINTK("In hex: %s\n", g); ++ kfree(g); ++ } ++ #endif ++ ++ kfree(master_conntrack->layer7.app_data); ++ master_conntrack->layer7.app_data = NULL; /* don't free again */ ++ } ++ write_unlock(&ct_lock); ++ ++ if(master_conntrack->layer7.app_proto){ ++ /* Here child connections set their .app_proto (for /proc/net/ip_conntrack) */ ++ write_lock(&ct_lock); ++ if(!conntrack->layer7.app_proto) { ++ conntrack->layer7.app_proto = kmalloc(strlen(master_conntrack->layer7.app_proto)+1, GFP_ATOMIC); ++ if(!conntrack->layer7.app_proto){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in match_no_append, bailing.\n"); ++ write_unlock(&ct_lock); ++ return 1; ++ } ++ strcpy(conntrack->layer7.app_proto, master_conntrack->layer7.app_proto); ++ } ++ write_unlock(&ct_lock); ++ ++ return (!strcmp(master_conntrack->layer7.app_proto, info->protocol)); ++ } ++ else { ++ /* If not classified, set to "unknown" to distinguish from ++ connections that are still being tested. */ ++ write_lock(&ct_lock); ++ master_conntrack->layer7.app_proto = kmalloc(strlen("unknown")+1, GFP_ATOMIC); ++ if(!master_conntrack->layer7.app_proto){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in match_no_append, bailing.\n"); ++ write_unlock(&ct_lock); ++ return 1; ++ } ++ strcpy(master_conntrack->layer7.app_proto, "unknown"); ++ write_unlock(&ct_lock); ++ return 0; ++ } ++} ++ ++/* add the new app data to the conntrack. Return number of bytes added. */ ++static int add_data(struct ip_conntrack * master_conntrack, ++ char * app_data, int appdatalen) ++{ ++ int length = 0, i; ++ int oldlength = master_conntrack->layer7.app_data_len; ++ ++ // This is a fix for a race condition by Deti Fliegl. However, I'm not ++ // clear on whether the race condition exists or whether this really ++ // fixes it. I might just be being dense... Anyway, if it's not really ++ // a fix, all it does is waste a very small amount of time. ++ if(!master_conntrack->layer7.app_data) return 0; ++ ++ /* Strip nulls. Make everything lower case (our regex lib doesn't ++ do case insensitivity). Add it to the end of the current data. */ ++ for(i = 0; i < maxdatalen-oldlength-1 && ++ i < appdatalen; i++) { ++ if(app_data[i] != '\0') { ++ master_conntrack->layer7.app_data[length+oldlength] = ++ /* the kernel version of tolower mungs 'upper ascii' */ ++ isascii(app_data[i])? tolower(app_data[i]) : app_data[i]; ++ length++; ++ } ++ } ++ ++ master_conntrack->layer7.app_data[length+oldlength] = '\0'; ++ master_conntrack->layer7.app_data_len = length + oldlength; ++ ++ return length; ++} ++ ++/* Returns true on match and false otherwise. */ ++static int match(/* const */ struct sk_buff *skb, ++ const struct net_device *in, const struct net_device *out, ++ const struct xt_match *match, const void *matchinfo, ++ int offset, unsigned int protoff, int *hotdrop) ++{ ++ struct ipt_layer7_info * info = (struct ipt_layer7_info *)matchinfo; ++ enum ip_conntrack_info master_ctinfo, ctinfo; ++ struct ip_conntrack *master_conntrack, *conntrack; ++ unsigned char * app_data; ++ unsigned int pattern_result, appdatalen; ++ regexp * comppattern; ++ ++ if(!can_handle(skb)){ ++ DPRINTK("layer7: This is some protocol I can't handle.\n"); ++ return info->invert; ++ } ++ ++ /* Treat parent & all its children together as one connection, except ++ for the purpose of setting conntrack->layer7.app_proto in the actual ++ connection. This makes /proc/net/ip_conntrack more satisfying. */ ++ if(!(conntrack = ip_conntrack_get((struct sk_buff *)skb, &ctinfo)) || ++ !(master_conntrack = ip_conntrack_get((struct sk_buff *)skb, &master_ctinfo))) { ++ //DPRINTK("layer7: packet is not from a known connection, giving up.\n"); ++ return info->invert; ++ } ++ ++ /* Try to get a master conntrack (and its master etc) for FTP, etc. */ ++ while (master_ct(master_conntrack) != NULL) ++ master_conntrack = master_ct(master_conntrack); ++ ++ /* if we've classified it or seen too many packets */ ++ if(TOTAL_PACKETS > num_packets || ++ master_conntrack->layer7.app_proto) { ++ ++ pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info); ++ ++ /* skb->cb[0] == seen. Avoid doing things twice if there are two l7 ++ rules. I'm not sure that using cb for this purpose is correct, although ++ it says "put your private variables there". But it doesn't look like it ++ is being used for anything else in the skbs that make it here. How can ++ I write to cb without making the compiler angry? */ ++ skb->cb[0] = 1; /* marking it seen here is probably irrelevant, but consistant */ ++ ++ return (pattern_result ^ info->invert); ++ } ++ ++ if(skb_is_nonlinear(skb)){ ++ if(skb_linearize(skb) != 0){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: failed to linearize packet, bailing.\n"); ++ return info->invert; ++ } ++ } ++ ++ /* now that the skb is linearized, it's safe to set these. */ ++ app_data = skb->data + app_data_offset(skb); ++ appdatalen = skb->tail - app_data; ++ ++ spin_lock_bh(&list_lock); ++ /* the return value gets checked later, when we're ready to use it */ ++ comppattern = compile_and_cache(info->pattern, info->protocol); ++ spin_unlock_bh(&list_lock); ++ ++ /* On the first packet of a connection, allocate space for app data */ ++ write_lock(&ct_lock); ++ if(TOTAL_PACKETS == 1 && !skb->cb[0] && !master_conntrack->layer7.app_data) { ++ master_conntrack->layer7.app_data = kmalloc(maxdatalen, GFP_ATOMIC); ++ if(!master_conntrack->layer7.app_data){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in match, bailing.\n"); ++ write_unlock(&ct_lock); ++ return info->invert; ++ } ++ ++ master_conntrack->layer7.app_data[0] = '\0'; ++ } ++ write_unlock(&ct_lock); ++ ++ /* Can be here, but unallocated, if numpackets is increased near ++ the beginning of a connection */ ++ if(master_conntrack->layer7.app_data == NULL) ++ return (info->invert); /* unmatched */ ++ ++ if(!skb->cb[0]){ ++ int newbytes; ++ write_lock(&ct_lock); ++ newbytes = add_data(master_conntrack, app_data, appdatalen); ++ write_unlock(&ct_lock); ++ ++ if(newbytes == 0) { /* didn't add any data */ ++ skb->cb[0] = 1; ++ /* Didn't match before, not going to match now */ ++ return info->invert; ++ } ++ } ++ ++ /* If looking for "unknown", then never match. "Unknown" means that ++ we've given up; we're still trying with these packets. */ ++ read_lock(&ct_lock); ++ if(!strcmp(info->protocol, "unknown")) { ++ pattern_result = 0; ++ /* If the regexp failed to compile, don't bother running it */ ++ } else if(comppattern && regexec(comppattern, master_conntrack->layer7.app_data)) { ++ DPRINTK("layer7: matched %s\n", info->protocol); ++ pattern_result = 1; ++ } else pattern_result = 0; ++ read_unlock(&ct_lock); ++ ++ if(pattern_result) { ++ write_lock(&ct_lock); ++ master_conntrack->layer7.app_proto = kmalloc(strlen(info->protocol)+1, GFP_ATOMIC); ++ if(!master_conntrack->layer7.app_proto){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in match, bailing.\n"); ++ write_unlock(&ct_lock); ++ return (pattern_result ^ info->invert); ++ } ++ strcpy(master_conntrack->layer7.app_proto, info->protocol); ++ write_unlock(&ct_lock); ++ } ++ ++ /* mark the packet seen */ ++ skb->cb[0] = 1; ++ ++ return (pattern_result ^ info->invert); ++} ++ ++static int checkentry(const char *tablename, const void *ip, ++ const struct xt_match *match, void *matchinfo, unsigned int matchsize, ++ unsigned int hook_mask) ++{ ++// struct ipt_layer7_info * info = (struct ipt_layer7_info *)matchinfo; ++ ++ if (matchsize != IPT_ALIGN(sizeof(struct ipt_layer7_info))) ++ return 0; ++ ++ return 1; ++} ++ ++static struct ipt_match layer7_match = { ++ .name = "layer7", ++ .match = &match, ++ .checkentry = &checkentry, ++ .matchsize = sizeof(struct ipt_layer7_info), ++ .me = THIS_MODULE ++}; ++ ++/* taken from drivers/video/modedb.c */ ++static int my_atoi(const char *s) ++{ ++ int val = 0; ++ ++ for (;; s++) { ++ switch (*s) { ++ case '0'...'9': ++ val = 10*val+(*s-'0'); ++ break; ++ default: ++ return val; ++ } ++ } ++} ++ ++/* write out num_packets to userland. */ ++static int layer7_read_proc(char* page, char ** start, off_t off, int count, ++ int* eof, void * data) ++{ ++ if(num_packets > 99 && net_ratelimit()) ++ printk(KERN_ERR "layer7: NOT REACHED. num_packets too big\n"); ++ ++ page[0] = num_packets/10 + '0'; ++ page[1] = num_packets%10 + '0'; ++ page[2] = '\n'; ++ page[3] = '\0'; ++ ++ *eof=1; ++ ++ return 3; ++} ++ ++/* Read in num_packets from userland */ ++static int layer7_write_proc(struct file* file, const char* buffer, ++ unsigned long count, void *data) ++{ ++ char * foo = kmalloc(count, GFP_ATOMIC); ++ ++ if(!foo){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory, bailing. num_packets unchanged.\n"); ++ return count; ++ } ++ ++ if(copy_from_user(foo, buffer, count)) { ++ return -EFAULT; ++ } ++ ++ ++ num_packets = my_atoi(foo); ++ kfree (foo); ++ ++ /* This has an arbitrary limit to make the math easier. I'm lazy. ++ But anyway, 99 is a LOT! If you want more, you're doing it wrong! */ ++ if(num_packets > 99) { ++ printk(KERN_WARNING "layer7: num_packets can't be > 99.\n"); ++ num_packets = 99; ++ } else if(num_packets < 1) { ++ printk(KERN_WARNING "layer7: num_packets can't be < 1.\n"); ++ num_packets = 1; ++ } ++ ++ return count; ++} ++ ++/* register the proc file */ ++static void layer7_init_proc(void) ++{ ++ struct proc_dir_entry* entry; ++ entry = create_proc_entry("layer7_numpackets", 0644, proc_net); ++ entry->read_proc = layer7_read_proc; ++ entry->write_proc = layer7_write_proc; ++} ++ ++static void layer7_cleanup_proc(void) ++{ ++ remove_proc_entry("layer7_numpackets", proc_net); ++} ++ ++static int __init ipt_layer7_init(void) ++{ ++ layer7_init_proc(); ++ if(maxdatalen < 1) { ++ printk(KERN_WARNING "layer7: maxdatalen can't be < 1, using 1\n"); ++ maxdatalen = 1; ++ } ++ /* This is not a hard limit. It's just here to prevent people from ++ bringing their slow machines to a grinding halt. */ ++ else if(maxdatalen > 65536) { ++ printk(KERN_WARNING "layer7: maxdatalen can't be > 65536, using 65536\n"); ++ maxdatalen = 65536; ++ } ++ return ipt_register_match(&layer7_match); ++} ++ ++static void __exit ipt_layer7_fini(void) ++{ ++ layer7_cleanup_proc(); ++ ipt_unregister_match(&layer7_match); ++} ++ ++module_init(ipt_layer7_init); ++module_exit(ipt_layer7_fini); +--- linux-2.6.18/net/ipv4/netfilter/regexp/regexp.c 1969-12-31 18:00:00.000000000 -0600 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/regexp/regexp.c 2006-09-24 10:17:45.000000000 -0500 +@@ -0,0 +1,1197 @@ ++/* ++ * regcomp and regexec -- regsub and regerror are elsewhere ++ * @(#)regexp.c 1.3 of 18 April 87 ++ * ++ * Copyright (c) 1986 by University of Toronto. ++ * Written by Henry Spencer. Not derived from licensed software. ++ * ++ * Permission is granted to anyone to use this software for any ++ * purpose on any computer system, and to redistribute it freely, ++ * subject to the following restrictions: ++ * ++ * 1. The author is not responsible for the consequences of use of ++ * this software, no matter how awful, even if they arise ++ * from defects in it. ++ * ++ * 2. The origin of this software must not be misrepresented, either ++ * by explicit claim or by omission. ++ * ++ * 3. Altered versions must be plainly marked as such, and must not ++ * be misrepresented as being the original software. ++ * ++ * Beware that some of this code is subtly aware of the way operator ++ * precedence is structured in regular expressions. Serious changes in ++ * regular-expression syntax might require a total rethink. ++ * ++ * This code was modified by Ethan Sommer to work within the kernel ++ * (it now uses kmalloc etc..) ++ * ++ * Modified slightly by Matthew Strait to use more modern C. ++ */ ++ ++#include "regexp.h" ++#include "regmagic.h" ++ ++/* added by ethan and matt. Lets it work in both kernel and user space. ++(So iptables can use it, for instance.) Yea, it goes both ways... */ ++#if __KERNEL__ ++ #define malloc(foo) kmalloc(foo,GFP_ATOMIC) ++#else ++ #define printk(format,args...) printf(format,##args) ++#endif ++ ++void regerror(char * s) ++{ ++ printk("<3>Regexp: %s\n", s); ++ /* NOTREACHED */ ++} ++ ++/* ++ * The "internal use only" fields in regexp.h are present to pass info from ++ * compile to execute that permits the execute phase to run lots faster on ++ * simple cases. They are: ++ * ++ * regstart char that must begin a match; '\0' if none obvious ++ * reganch is the match anchored (at beginning-of-line only)? ++ * regmust string (pointer into program) that match must include, or NULL ++ * regmlen length of regmust string ++ * ++ * Regstart and reganch permit very fast decisions on suitable starting points ++ * for a match, cutting down the work a lot. Regmust permits fast rejection ++ * of lines that cannot possibly match. The regmust tests are costly enough ++ * that regcomp() supplies a regmust only if the r.e. contains something ++ * potentially expensive (at present, the only such thing detected is * or + ++ * at the start of the r.e., which can involve a lot of backup). Regmlen is ++ * supplied because the test in regexec() needs it and regcomp() is computing ++ * it anyway. ++ */ ++ ++/* ++ * Structure for regexp "program". This is essentially a linear encoding ++ * of a nondeterministic finite-state machine (aka syntax charts or ++ * "railroad normal form" in parsing technology). Each node is an opcode ++ * plus a "next" pointer, possibly plus an operand. "Next" pointers of ++ * all nodes except BRANCH implement concatenation; a "next" pointer with ++ * a BRANCH on both ends of it is connecting two alternatives. (Here we ++ * have one of the subtle syntax dependencies: an individual BRANCH (as ++ * opposed to a collection of them) is never concatenated with anything ++ * because of operator precedence.) The operand of some types of node is ++ * a literal string; for others, it is a node leading into a sub-FSM. In ++ * particular, the operand of a BRANCH node is the first node of the branch. ++ * (NB this is *not* a tree structure: the tail of the branch connects ++ * to the thing following the set of BRANCHes.) The opcodes are: ++ */ ++ ++/* definition number opnd? meaning */ ++#define END 0 /* no End of program. */ ++#define BOL 1 /* no Match "" at beginning of line. */ ++#define EOL 2 /* no Match "" at end of line. */ ++#define ANY 3 /* no Match any one character. */ ++#define ANYOF 4 /* str Match any character in this string. */ ++#define ANYBUT 5 /* str Match any character not in this string. */ ++#define BRANCH 6 /* node Match this alternative, or the next... */ ++#define BACK 7 /* no Match "", "next" ptr points backward. */ ++#define EXACTLY 8 /* str Match this string. */ ++#define NOTHING 9 /* no Match empty string. */ ++#define STAR 10 /* node Match this (simple) thing 0 or more times. */ ++#define PLUS 11 /* node Match this (simple) thing 1 or more times. */ ++#define OPEN 20 /* no Mark this point in input as start of #n. */ ++ /* OPEN+1 is number 1, etc. */ ++#define CLOSE 30 /* no Analogous to OPEN. */ ++ ++/* ++ * Opcode notes: ++ * ++ * BRANCH The set of branches constituting a single choice are hooked ++ * together with their "next" pointers, since precedence prevents ++ * anything being concatenated to any individual branch. The ++ * "next" pointer of the last BRANCH in a choice points to the ++ * thing following the whole choice. This is also where the ++ * final "next" pointer of each individual branch points; each ++ * branch starts with the operand node of a BRANCH node. ++ * ++ * BACK Normal "next" pointers all implicitly point forward; BACK ++ * exists to make loop structures possible. ++ * ++ * STAR,PLUS '?', and complex '*' and '+', are implemented as circular ++ * BRANCH structures using BACK. Simple cases (one character ++ * per match) are implemented with STAR and PLUS for speed ++ * and to minimize recursive plunges. ++ * ++ * OPEN,CLOSE ...are numbered at compile time. ++ */ ++ ++/* ++ * A node is one char of opcode followed by two chars of "next" pointer. ++ * "Next" pointers are stored as two 8-bit pieces, high order first. The ++ * value is a positive offset from the opcode of the node containing it. ++ * An operand, if any, simply follows the node. (Note that much of the ++ * code generation knows about this implicit relationship.) ++ * ++ * Using two bytes for the "next" pointer is vast overkill for most things, ++ * but allows patterns to get big without disasters. ++ */ ++#define OP(p) (*(p)) ++#define NEXT(p) (((*((p)+1)&0377)<<8) + (*((p)+2)&0377)) ++#define OPERAND(p) ((p) + 3) ++ ++/* ++ * See regmagic.h for one further detail of program structure. ++ */ ++ ++ ++/* ++ * Utility definitions. ++ */ ++#ifndef CHARBITS ++#define UCHARAT(p) ((int)*(unsigned char *)(p)) ++#else ++#define UCHARAT(p) ((int)*(p)&CHARBITS) ++#endif ++ ++#define FAIL(m) { regerror(m); return(NULL); } ++#define ISMULT(c) ((c) == '*' || (c) == '+' || (c) == '?') ++#define META "^$.[()|?+*\\" ++ ++/* ++ * Flags to be passed up and down. ++ */ ++#define HASWIDTH 01 /* Known never to match null string. */ ++#define SIMPLE 02 /* Simple enough to be STAR/PLUS operand. */ ++#define SPSTART 04 /* Starts with * or +. */ ++#define WORST 0 /* Worst case. */ ++ ++/* ++ * Global work variables for regcomp(). ++ */ ++struct match_globals { ++char *reginput; /* String-input pointer. */ ++char *regbol; /* Beginning of input, for ^ check. */ ++char **regstartp; /* Pointer to startp array. */ ++char **regendp; /* Ditto for endp. */ ++char *regparse; /* Input-scan pointer. */ ++int regnpar; /* () count. */ ++char regdummy; ++char *regcode; /* Code-emit pointer; ®dummy = don't. */ ++long regsize; /* Code size. */ ++}; ++ ++/* ++ * Forward declarations for regcomp()'s friends. ++ */ ++#ifndef STATIC ++#define STATIC static ++#endif ++STATIC char *reg(struct match_globals *g, int paren,int *flagp); ++STATIC char *regbranch(struct match_globals *g, int *flagp); ++STATIC char *regpiece(struct match_globals *g, int *flagp); ++STATIC char *regatom(struct match_globals *g, int *flagp); ++STATIC char *regnode(struct match_globals *g, char op); ++STATIC char *regnext(struct match_globals *g, char *p); ++STATIC void regc(struct match_globals *g, char b); ++STATIC void reginsert(struct match_globals *g, char op, char *opnd); ++STATIC void regtail(struct match_globals *g, char *p, char *val); ++STATIC void regoptail(struct match_globals *g, char *p, char *val); ++ ++ ++__kernel_size_t my_strcspn(const char *s1,const char *s2) ++{ ++ char *scan1; ++ char *scan2; ++ int count; ++ ++ count = 0; ++ for (scan1 = (char *)s1; *scan1 != '\0'; scan1++) { ++ for (scan2 = (char *)s2; *scan2 != '\0';) /* ++ moved down. */ ++ if (*scan1 == *scan2++) ++ return(count); ++ count++; ++ } ++ return(count); ++} ++ ++/* ++ - regcomp - compile a regular expression into internal code ++ * ++ * We can't allocate space until we know how big the compiled form will be, ++ * but we can't compile it (and thus know how big it is) until we've got a ++ * place to put the code. So we cheat: we compile it twice, once with code ++ * generation turned off and size counting turned on, and once "for real". ++ * This also means that we don't allocate space until we are sure that the ++ * thing really will compile successfully, and we never have to move the ++ * code and thus invalidate pointers into it. (Note that it has to be in ++ * one piece because free() must be able to free it all.) ++ * ++ * Beware that the optimization-preparation code in here knows about some ++ * of the structure of the compiled regexp. ++ */ ++regexp * ++regcomp(char *exp,int *patternsize) ++{ ++ register regexp *r; ++ register char *scan; ++ register char *longest; ++ register int len; ++ int flags; ++ struct match_globals g; ++ ++ /* commented out by ethan ++ extern char *malloc(); ++ */ ++ ++ if (exp == NULL) ++ FAIL("NULL argument"); ++ ++ /* First pass: determine size, legality. */ ++ g.regparse = exp; ++ g.regnpar = 1; ++ g.regsize = 0L; ++ g.regcode = &g.regdummy; ++ regc(&g, MAGIC); ++ if (reg(&g, 0, &flags) == NULL) ++ return(NULL); ++ ++ /* Small enough for pointer-storage convention? */ ++ if (g.regsize >= 32767L) /* Probably could be 65535L. */ ++ FAIL("regexp too big"); ++ ++ /* Allocate space. */ ++ *patternsize=sizeof(regexp) + (unsigned)g.regsize; ++ r = (regexp *)malloc(sizeof(regexp) + (unsigned)g.regsize); ++ if (r == NULL) ++ FAIL("out of space"); ++ ++ /* Second pass: emit code. */ ++ g.regparse = exp; ++ g.regnpar = 1; ++ g.regcode = r->program; ++ regc(&g, MAGIC); ++ if (reg(&g, 0, &flags) == NULL) ++ return(NULL); ++ ++ /* Dig out information for optimizations. */ ++ r->regstart = '\0'; /* Worst-case defaults. */ ++ r->reganch = 0; ++ r->regmust = NULL; ++ r->regmlen = 0; ++ scan = r->program+1; /* First BRANCH. */ ++ if (OP(regnext(&g, scan)) == END) { /* Only one top-level choice. */ ++ scan = OPERAND(scan); ++ ++ /* Starting-point info. */ ++ if (OP(scan) == EXACTLY) ++ r->regstart = *OPERAND(scan); ++ else if (OP(scan) == BOL) ++ r->reganch++; ++ ++ /* ++ * If there's something expensive in the r.e., find the ++ * longest literal string that must appear and make it the ++ * regmust. Resolve ties in favor of later strings, since ++ * the regstart check works with the beginning of the r.e. ++ * and avoiding duplication strengthens checking. Not a ++ * strong reason, but sufficient in the absence of others. ++ */ ++ if (flags&SPSTART) { ++ longest = NULL; ++ len = 0; ++ for (; scan != NULL; scan = regnext(&g, scan)) ++ if (OP(scan) == EXACTLY && strlen(OPERAND(scan)) >= len) { ++ longest = OPERAND(scan); ++ len = strlen(OPERAND(scan)); ++ } ++ r->regmust = longest; ++ r->regmlen = len; ++ } ++ } ++ ++ return(r); ++} ++ ++/* ++ - reg - regular expression, i.e. main body or parenthesized thing ++ * ++ * Caller must absorb opening parenthesis. ++ * ++ * Combining parenthesis handling with the base level of regular expression ++ * is a trifle forced, but the need to tie the tails of the branches to what ++ * follows makes it hard to avoid. ++ */ ++static char * ++reg(struct match_globals *g, int paren, int *flagp /* Parenthesized? */ ) ++{ ++ register char *ret; ++ register char *br; ++ register char *ender; ++ register int parno = 0; /* 0 makes gcc happy */ ++ int flags; ++ ++ *flagp = HASWIDTH; /* Tentatively. */ ++ ++ /* Make an OPEN node, if parenthesized. */ ++ if (paren) { ++ if (g->regnpar >= NSUBEXP) ++ FAIL("too many ()"); ++ parno = g->regnpar; ++ g->regnpar++; ++ ret = regnode(g, OPEN+parno); ++ } else ++ ret = NULL; ++ ++ /* Pick up the branches, linking them together. */ ++ br = regbranch(g, &flags); ++ if (br == NULL) ++ return(NULL); ++ if (ret != NULL) ++ regtail(g, ret, br); /* OPEN -> first. */ ++ else ++ ret = br; ++ if (!(flags&HASWIDTH)) ++ *flagp &= ~HASWIDTH; ++ *flagp |= flags&SPSTART; ++ while (*g->regparse == '|') { ++ g->regparse++; ++ br = regbranch(g, &flags); ++ if (br == NULL) ++ return(NULL); ++ regtail(g, ret, br); /* BRANCH -> BRANCH. */ ++ if (!(flags&HASWIDTH)) ++ *flagp &= ~HASWIDTH; ++ *flagp |= flags&SPSTART; ++ } ++ ++ /* Make a closing node, and hook it on the end. */ ++ ender = regnode(g, (paren) ? CLOSE+parno : END); ++ regtail(g, ret, ender); ++ ++ /* Hook the tails of the branches to the closing node. */ ++ for (br = ret; br != NULL; br = regnext(g, br)) ++ regoptail(g, br, ender); ++ ++ /* Check for proper termination. */ ++ if (paren && *g->regparse++ != ')') { ++ FAIL("unmatched ()"); ++ } else if (!paren && *g->regparse != '\0') { ++ if (*g->regparse == ')') { ++ FAIL("unmatched ()"); ++ } else ++ FAIL("junk on end"); /* "Can't happen". */ ++ /* NOTREACHED */ ++ } ++ ++ return(ret); ++} ++ ++/* ++ - regbranch - one alternative of an | operator ++ * ++ * Implements the concatenation operator. ++ */ ++static char * ++regbranch(struct match_globals *g, int *flagp) ++{ ++ register char *ret; ++ register char *chain; ++ register char *latest; ++ int flags; ++ ++ *flagp = WORST; /* Tentatively. */ ++ ++ ret = regnode(g, BRANCH); ++ chain = NULL; ++ while (*g->regparse != '\0' && *g->regparse != '|' && *g->regparse != ')') { ++ latest = regpiece(g, &flags); ++ if (latest == NULL) ++ return(NULL); ++ *flagp |= flags&HASWIDTH; ++ if (chain == NULL) /* First piece. */ ++ *flagp |= flags&SPSTART; ++ else ++ regtail(g, chain, latest); ++ chain = latest; ++ } ++ if (chain == NULL) /* Loop ran zero times. */ ++ (void) regnode(g, NOTHING); ++ ++ return(ret); ++} ++ ++/* ++ - regpiece - something followed by possible [*+?] ++ * ++ * Note that the branching code sequences used for ? and the general cases ++ * of * and + are somewhat optimized: they use the same NOTHING node as ++ * both the endmarker for their branch list and the body of the last branch. ++ * It might seem that this node could be dispensed with entirely, but the ++ * endmarker role is not redundant. ++ */ ++static char * ++regpiece(struct match_globals *g, int *flagp) ++{ ++ register char *ret; ++ register char op; ++ register char *next; ++ int flags; ++ ++ ret = regatom(g, &flags); ++ if (ret == NULL) ++ return(NULL); ++ ++ op = *g->regparse; ++ if (!ISMULT(op)) { ++ *flagp = flags; ++ return(ret); ++ } ++ ++ if (!(flags&HASWIDTH) && op != '?') ++ FAIL("*+ operand could be empty"); ++ *flagp = (op != '+') ? (WORST|SPSTART) : (WORST|HASWIDTH); ++ ++ if (op == '*' && (flags&SIMPLE)) ++ reginsert(g, STAR, ret); ++ else if (op == '*') { ++ /* Emit x* as (x&|), where & means "self". */ ++ reginsert(g, BRANCH, ret); /* Either x */ ++ regoptail(g, ret, regnode(g, BACK)); /* and loop */ ++ regoptail(g, ret, ret); /* back */ ++ regtail(g, ret, regnode(g, BRANCH)); /* or */ ++ regtail(g, ret, regnode(g, NOTHING)); /* null. */ ++ } else if (op == '+' && (flags&SIMPLE)) ++ reginsert(g, PLUS, ret); ++ else if (op == '+') { ++ /* Emit x+ as x(&|), where & means "self". */ ++ next = regnode(g, BRANCH); /* Either */ ++ regtail(g, ret, next); ++ regtail(g, regnode(g, BACK), ret); /* loop back */ ++ regtail(g, next, regnode(g, BRANCH)); /* or */ ++ regtail(g, ret, regnode(g, NOTHING)); /* null. */ ++ } else if (op == '?') { ++ /* Emit x? as (x|) */ ++ reginsert(g, BRANCH, ret); /* Either x */ ++ regtail(g, ret, regnode(g, BRANCH)); /* or */ ++ next = regnode(g, NOTHING); /* null. */ ++ regtail(g, ret, next); ++ regoptail(g, ret, next); ++ } ++ g->regparse++; ++ if (ISMULT(*g->regparse)) ++ FAIL("nested *?+"); ++ ++ return(ret); ++} ++ ++/* ++ - regatom - the lowest level ++ * ++ * Optimization: gobbles an entire sequence of ordinary characters so that ++ * it can turn them into a single node, which is smaller to store and ++ * faster to run. Backslashed characters are exceptions, each becoming a ++ * separate node; the code is simpler that way and it's not worth fixing. ++ */ ++static char * ++regatom(struct match_globals *g, int *flagp) ++{ ++ register char *ret; ++ int flags; ++ ++ *flagp = WORST; /* Tentatively. */ ++ ++ switch (*g->regparse++) { ++ case '^': ++ ret = regnode(g, BOL); ++ break; ++ case '$': ++ ret = regnode(g, EOL); ++ break; ++ case '.': ++ ret = regnode(g, ANY); ++ *flagp |= HASWIDTH|SIMPLE; ++ break; ++ case '[': { ++ register int class; ++ register int classend; ++ ++ if (*g->regparse == '^') { /* Complement of range. */ ++ ret = regnode(g, ANYBUT); ++ g->regparse++; ++ } else ++ ret = regnode(g, ANYOF); ++ if (*g->regparse == ']' || *g->regparse == '-') ++ regc(g, *g->regparse++); ++ while (*g->regparse != '\0' && *g->regparse != ']') { ++ if (*g->regparse == '-') { ++ g->regparse++; ++ if (*g->regparse == ']' || *g->regparse == '\0') ++ regc(g, '-'); ++ else { ++ class = UCHARAT(g->regparse-2)+1; ++ classend = UCHARAT(g->regparse); ++ if (class > classend+1) ++ FAIL("invalid [] range"); ++ for (; class <= classend; class++) ++ regc(g, class); ++ g->regparse++; ++ } ++ } else ++ regc(g, *g->regparse++); ++ } ++ regc(g, '\0'); ++ if (*g->regparse != ']') ++ FAIL("unmatched []"); ++ g->regparse++; ++ *flagp |= HASWIDTH|SIMPLE; ++ } ++ break; ++ case '(': ++ ret = reg(g, 1, &flags); ++ if (ret == NULL) ++ return(NULL); ++ *flagp |= flags&(HASWIDTH|SPSTART); ++ break; ++ case '\0': ++ case '|': ++ case ')': ++ FAIL("internal urp"); /* Supposed to be caught earlier. */ ++ break; ++ case '?': ++ case '+': ++ case '*': ++ FAIL("?+* follows nothing"); ++ break; ++ case '\\': ++ if (*g->regparse == '\0') ++ FAIL("trailing \\"); ++ ret = regnode(g, EXACTLY); ++ regc(g, *g->regparse++); ++ regc(g, '\0'); ++ *flagp |= HASWIDTH|SIMPLE; ++ break; ++ default: { ++ register int len; ++ register char ender; ++ ++ g->regparse--; ++ len = my_strcspn((const char *)g->regparse, (const char *)META); ++ if (len <= 0) ++ FAIL("internal disaster"); ++ ender = *(g->regparse+len); ++ if (len > 1 && ISMULT(ender)) ++ len--; /* Back off clear of ?+* operand. */ ++ *flagp |= HASWIDTH; ++ if (len == 1) ++ *flagp |= SIMPLE; ++ ret = regnode(g, EXACTLY); ++ while (len > 0) { ++ regc(g, *g->regparse++); ++ len--; ++ } ++ regc(g, '\0'); ++ } ++ break; ++ } ++ ++ return(ret); ++} ++ ++/* ++ - regnode - emit a node ++ */ ++static char * /* Location. */ ++regnode(struct match_globals *g, char op) ++{ ++ register char *ret; ++ register char *ptr; ++ ++ ret = g->regcode; ++ if (ret == &g->regdummy) { ++ g->regsize += 3; ++ return(ret); ++ } ++ ++ ptr = ret; ++ *ptr++ = op; ++ *ptr++ = '\0'; /* Null "next" pointer. */ ++ *ptr++ = '\0'; ++ g->regcode = ptr; ++ ++ return(ret); ++} ++ ++/* ++ - regc - emit (if appropriate) a byte of code ++ */ ++static void ++regc(struct match_globals *g, char b) ++{ ++ if (g->regcode != &g->regdummy) ++ *g->regcode++ = b; ++ else ++ g->regsize++; ++} ++ ++/* ++ - reginsert - insert an operator in front of already-emitted operand ++ * ++ * Means relocating the operand. ++ */ ++static void ++reginsert(struct match_globals *g, char op, char* opnd) ++{ ++ register char *src; ++ register char *dst; ++ register char *place; ++ ++ if (g->regcode == &g->regdummy) { ++ g->regsize += 3; ++ return; ++ } ++ ++ src = g->regcode; ++ g->regcode += 3; ++ dst = g->regcode; ++ while (src > opnd) ++ *--dst = *--src; ++ ++ place = opnd; /* Op node, where operand used to be. */ ++ *place++ = op; ++ *place++ = '\0'; ++ *place++ = '\0'; ++} ++ ++/* ++ - regtail - set the next-pointer at the end of a node chain ++ */ ++static void ++regtail(struct match_globals *g, char *p, char *val) ++{ ++ register char *scan; ++ register char *temp; ++ register int offset; ++ ++ if (p == &g->regdummy) ++ return; ++ ++ /* Find last node. */ ++ scan = p; ++ for (;;) { ++ temp = regnext(g, scan); ++ if (temp == NULL) ++ break; ++ scan = temp; ++ } ++ ++ if (OP(scan) == BACK) ++ offset = scan - val; ++ else ++ offset = val - scan; ++ *(scan+1) = (offset>>8)&0377; ++ *(scan+2) = offset&0377; ++} ++ ++/* ++ - regoptail - regtail on operand of first argument; nop if operandless ++ */ ++static void ++regoptail(struct match_globals *g, char *p, char *val) ++{ ++ /* "Operandless" and "op != BRANCH" are synonymous in practice. */ ++ if (p == NULL || p == &g->regdummy || OP(p) != BRANCH) ++ return; ++ regtail(g, OPERAND(p), val); ++} ++ ++/* ++ * regexec and friends ++ */ ++ ++ ++/* ++ * Forwards. ++ */ ++STATIC int regtry(struct match_globals *g, regexp *prog, char *string); ++STATIC int regmatch(struct match_globals *g, char *prog); ++STATIC int regrepeat(struct match_globals *g, char *p); ++ ++#ifdef DEBUG ++int regnarrate = 0; ++void regdump(); ++STATIC char *regprop(char *op); ++#endif ++ ++/* ++ - regexec - match a regexp against a string ++ */ ++int ++regexec(regexp *prog, char *string) ++{ ++ register char *s; ++ struct match_globals g; ++ ++ /* Be paranoid... */ ++ if (prog == NULL || string == NULL) { ++ printk("<3>Regexp: NULL parameter\n"); ++ return(0); ++ } ++ ++ /* Check validity of program. */ ++ if (UCHARAT(prog->program) != MAGIC) { ++ printk("<3>Regexp: corrupted program\n"); ++ return(0); ++ } ++ ++ /* If there is a "must appear" string, look for it. */ ++ if (prog->regmust != NULL) { ++ s = string; ++ while ((s = strchr(s, prog->regmust[0])) != NULL) { ++ if (strncmp(s, prog->regmust, prog->regmlen) == 0) ++ break; /* Found it. */ ++ s++; ++ } ++ if (s == NULL) /* Not present. */ ++ return(0); ++ } ++ ++ /* Mark beginning of line for ^ . */ ++ g.regbol = string; ++ ++ /* Simplest case: anchored match need be tried only once. */ ++ if (prog->reganch) ++ return(regtry(&g, prog, string)); ++ ++ /* Messy cases: unanchored match. */ ++ s = string; ++ if (prog->regstart != '\0') ++ /* We know what char it must start with. */ ++ while ((s = strchr(s, prog->regstart)) != NULL) { ++ if (regtry(&g, prog, s)) ++ return(1); ++ s++; ++ } ++ else ++ /* We don't -- general case. */ ++ do { ++ if (regtry(&g, prog, s)) ++ return(1); ++ } while (*s++ != '\0'); ++ ++ /* Failure. */ ++ return(0); ++} ++ ++/* ++ - regtry - try match at specific point ++ */ ++static int /* 0 failure, 1 success */ ++regtry(struct match_globals *g, regexp *prog, char *string) ++{ ++ register int i; ++ register char **sp; ++ register char **ep; ++ ++ g->reginput = string; ++ g->regstartp = prog->startp; ++ g->regendp = prog->endp; ++ ++ sp = prog->startp; ++ ep = prog->endp; ++ for (i = NSUBEXP; i > 0; i--) { ++ *sp++ = NULL; ++ *ep++ = NULL; ++ } ++ if (regmatch(g, prog->program + 1)) { ++ prog->startp[0] = string; ++ prog->endp[0] = g->reginput; ++ return(1); ++ } else ++ return(0); ++} ++ ++/* ++ - regmatch - main matching routine ++ * ++ * Conceptually the strategy is simple: check to see whether the current ++ * node matches, call self recursively to see whether the rest matches, ++ * and then act accordingly. In practice we make some effort to avoid ++ * recursion, in particular by going through "ordinary" nodes (that don't ++ * need to know whether the rest of the match failed) by a loop instead of ++ * by recursion. ++ */ ++static int /* 0 failure, 1 success */ ++regmatch(struct match_globals *g, char *prog) ++{ ++ register char *scan = prog; /* Current node. */ ++ char *next; /* Next node. */ ++ ++#ifdef DEBUG ++ if (scan != NULL && regnarrate) ++ fprintf(stderr, "%s(\n", regprop(scan)); ++#endif ++ while (scan != NULL) { ++#ifdef DEBUG ++ if (regnarrate) ++ fprintf(stderr, "%s...\n", regprop(scan)); ++#endif ++ next = regnext(g, scan); ++ ++ switch (OP(scan)) { ++ case BOL: ++ if (g->reginput != g->regbol) ++ return(0); ++ break; ++ case EOL: ++ if (*g->reginput != '\0') ++ return(0); ++ break; ++ case ANY: ++ if (*g->reginput == '\0') ++ return(0); ++ g->reginput++; ++ break; ++ case EXACTLY: { ++ register int len; ++ register char *opnd; ++ ++ opnd = OPERAND(scan); ++ /* Inline the first character, for speed. */ ++ if (*opnd != *g->reginput) ++ return(0); ++ len = strlen(opnd); ++ if (len > 1 && strncmp(opnd, g->reginput, len) != 0) ++ return(0); ++ g->reginput += len; ++ } ++ break; ++ case ANYOF: ++ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) == NULL) ++ return(0); ++ g->reginput++; ++ break; ++ case ANYBUT: ++ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) != NULL) ++ return(0); ++ g->reginput++; ++ break; ++ case NOTHING: ++ case BACK: ++ break; ++ case OPEN+1: ++ case OPEN+2: ++ case OPEN+3: ++ case OPEN+4: ++ case OPEN+5: ++ case OPEN+6: ++ case OPEN+7: ++ case OPEN+8: ++ case OPEN+9: { ++ register int no; ++ register char *save; ++ ++ no = OP(scan) - OPEN; ++ save = g->reginput; ++ ++ if (regmatch(g, next)) { ++ /* ++ * Don't set startp if some later ++ * invocation of the same parentheses ++ * already has. ++ */ ++ if (g->regstartp[no] == NULL) ++ g->regstartp[no] = save; ++ return(1); ++ } else ++ return(0); ++ } ++ break; ++ case CLOSE+1: ++ case CLOSE+2: ++ case CLOSE+3: ++ case CLOSE+4: ++ case CLOSE+5: ++ case CLOSE+6: ++ case CLOSE+7: ++ case CLOSE+8: ++ case CLOSE+9: ++ { ++ register int no; ++ register char *save; ++ ++ no = OP(scan) - CLOSE; ++ save = g->reginput; ++ ++ if (regmatch(g, next)) { ++ /* ++ * Don't set endp if some later ++ * invocation of the same parentheses ++ * already has. ++ */ ++ if (g->regendp[no] == NULL) ++ g->regendp[no] = save; ++ return(1); ++ } else ++ return(0); ++ } ++ break; ++ case BRANCH: { ++ register char *save; ++ ++ if (OP(next) != BRANCH) /* No choice. */ ++ next = OPERAND(scan); /* Avoid recursion. */ ++ else { ++ do { ++ save = g->reginput; ++ if (regmatch(g, OPERAND(scan))) ++ return(1); ++ g->reginput = save; ++ scan = regnext(g, scan); ++ } while (scan != NULL && OP(scan) == BRANCH); ++ return(0); ++ /* NOTREACHED */ ++ } ++ } ++ break; ++ case STAR: ++ case PLUS: { ++ register char nextch; ++ register int no; ++ register char *save; ++ register int min; ++ ++ /* ++ * Lookahead to avoid useless match attempts ++ * when we know what character comes next. ++ */ ++ nextch = '\0'; ++ if (OP(next) == EXACTLY) ++ nextch = *OPERAND(next); ++ min = (OP(scan) == STAR) ? 0 : 1; ++ save = g->reginput; ++ no = regrepeat(g, OPERAND(scan)); ++ while (no >= min) { ++ /* If it could work, try it. */ ++ if (nextch == '\0' || *g->reginput == nextch) ++ if (regmatch(g, next)) ++ return(1); ++ /* Couldn't or didn't -- back up. */ ++ no--; ++ g->reginput = save + no; ++ } ++ return(0); ++ } ++ break; ++ case END: ++ return(1); /* Success! */ ++ break; ++ default: ++ printk("<3>Regexp: memory corruption\n"); ++ return(0); ++ break; ++ } ++ ++ scan = next; ++ } ++ ++ /* ++ * We get here only if there's trouble -- normally "case END" is ++ * the terminating point. ++ */ ++ printk("<3>Regexp: corrupted pointers\n"); ++ return(0); ++} ++ ++/* ++ - regrepeat - repeatedly match something simple, report how many ++ */ ++static int ++regrepeat(struct match_globals *g, char *p) ++{ ++ register int count = 0; ++ register char *scan; ++ register char *opnd; ++ ++ scan = g->reginput; ++ opnd = OPERAND(p); ++ switch (OP(p)) { ++ case ANY: ++ count = strlen(scan); ++ scan += count; ++ break; ++ case EXACTLY: ++ while (*opnd == *scan) { ++ count++; ++ scan++; ++ } ++ break; ++ case ANYOF: ++ while (*scan != '\0' && strchr(opnd, *scan) != NULL) { ++ count++; ++ scan++; ++ } ++ break; ++ case ANYBUT: ++ while (*scan != '\0' && strchr(opnd, *scan) == NULL) { ++ count++; ++ scan++; ++ } ++ break; ++ default: /* Oh dear. Called inappropriately. */ ++ printk("<3>Regexp: internal foulup\n"); ++ count = 0; /* Best compromise. */ ++ break; ++ } ++ g->reginput = scan; ++ ++ return(count); ++} ++ ++/* ++ - regnext - dig the "next" pointer out of a node ++ */ ++static char* ++regnext(struct match_globals *g, char *p) ++{ ++ register int offset; ++ ++ if (p == &g->regdummy) ++ return(NULL); ++ ++ offset = NEXT(p); ++ if (offset == 0) ++ return(NULL); ++ ++ if (OP(p) == BACK) ++ return(p-offset); ++ else ++ return(p+offset); ++} ++ ++#ifdef DEBUG ++ ++STATIC char *regprop(); ++ ++/* ++ - regdump - dump a regexp onto stdout in vaguely comprehensible form ++ */ ++void ++regdump(regexp *r) ++{ ++ register char *s; ++ register char op = EXACTLY; /* Arbitrary non-END op. */ ++ register char *next; ++ /* extern char *strchr(); */ ++ ++ ++ s = r->program + 1; ++ while (op != END) { /* While that wasn't END last time... */ ++ op = OP(s); ++ printf("%2d%s", s-r->program, regprop(s)); /* Where, what. */ ++ next = regnext(s); ++ if (next == NULL) /* Next ptr. */ ++ printf("(0)"); ++ else ++ printf("(%d)", (s-r->program)+(next-s)); ++ s += 3; ++ if (op == ANYOF || op == ANYBUT || op == EXACTLY) { ++ /* Literal string, where present. */ ++ while (*s != '\0') { ++ putchar(*s); ++ s++; ++ } ++ s++; ++ } ++ putchar('\n'); ++ } ++ ++ /* Header fields of interest. */ ++ if (r->regstart != '\0') ++ printf("start `%c' ", r->regstart); ++ if (r->reganch) ++ printf("anchored "); ++ if (r->regmust != NULL) ++ printf("must have \"%s\"", r->regmust); ++ printf("\n"); ++} ++ ++/* ++ - regprop - printable representation of opcode ++ */ ++static char * ++regprop(char *op) ++{ ++#define BUFLEN 50 ++ register char *p; ++ static char buf[BUFLEN]; ++ ++ strcpy(buf, ":"); ++ ++ switch (OP(op)) { ++ case BOL: ++ p = "BOL"; ++ break; ++ case EOL: ++ p = "EOL"; ++ break; ++ case ANY: ++ p = "ANY"; ++ break; ++ case ANYOF: ++ p = "ANYOF"; ++ break; ++ case ANYBUT: ++ p = "ANYBUT"; ++ break; ++ case BRANCH: ++ p = "BRANCH"; ++ break; ++ case EXACTLY: ++ p = "EXACTLY"; ++ break; ++ case NOTHING: ++ p = "NOTHING"; ++ break; ++ case BACK: ++ p = "BACK"; ++ break; ++ case END: ++ p = "END"; ++ break; ++ case OPEN+1: ++ case OPEN+2: ++ case OPEN+3: ++ case OPEN+4: ++ case OPEN+5: ++ case OPEN+6: ++ case OPEN+7: ++ case OPEN+8: ++ case OPEN+9: ++ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "OPEN%d", OP(op)-OPEN); ++ p = NULL; ++ break; ++ case CLOSE+1: ++ case CLOSE+2: ++ case CLOSE+3: ++ case CLOSE+4: ++ case CLOSE+5: ++ case CLOSE+6: ++ case CLOSE+7: ++ case CLOSE+8: ++ case CLOSE+9: ++ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "CLOSE%d", OP(op)-CLOSE); ++ p = NULL; ++ break; ++ case STAR: ++ p = "STAR"; ++ break; ++ case PLUS: ++ p = "PLUS"; ++ break; ++ default: ++ printk("<3>Regexp: corrupted opcode\n"); ++ break; ++ } ++ if (p != NULL) ++ strncat(buf, p, BUFLEN-strlen(buf)); ++ return(buf); ++} ++#endif ++ ++ +--- linux-2.6.18/net/ipv4/netfilter/regexp/regexp.h 1969-12-31 18:00:00.000000000 -0600 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/regexp/regexp.h 2006-09-24 10:17:45.000000000 -0500 +@@ -0,0 +1,41 @@ ++/* ++ * Definitions etc. for regexp(3) routines. ++ * ++ * Caveat: this is V8 regexp(3) [actually, a reimplementation thereof], ++ * not the System V one. ++ */ ++ ++#ifndef REGEXP_H ++#define REGEXP_H ++ ++ ++/* ++http://www.opensource.apple.com/darwinsource/10.3/expect-1/expect/expect.h , ++which contains a version of this library, says: ++ ++ * ++ * NSUBEXP must be at least 10, and no greater than 117 or the parser ++ * will not work properly. ++ * ++ ++However, it looks rather like this library is limited to 10. If you think ++otherwise, let us know. ++*/ ++ ++#define NSUBEXP 10 ++typedef struct regexp { ++ char *startp[NSUBEXP]; ++ char *endp[NSUBEXP]; ++ char regstart; /* Internal use only. */ ++ char reganch; /* Internal use only. */ ++ char *regmust; /* Internal use only. */ ++ int regmlen; /* Internal use only. */ ++ char program[1]; /* Unwarranted chumminess with compiler. */ ++} regexp; ++ ++regexp * regcomp(char *exp, int *patternsize); ++int regexec(regexp *prog, char *string); ++void regsub(regexp *prog, char *source, char *dest); ++void regerror(char *s); ++ ++#endif +--- linux-2.6.18/net/ipv4/netfilter/regexp/regmagic.h 1969-12-31 18:00:00.000000000 -0600 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/regexp/regmagic.h 2006-09-24 10:17:45.000000000 -0500 +@@ -0,0 +1,5 @@ ++/* ++ * The first byte of the regexp internal "program" is actually this magic ++ * number; the start node begins in the second byte. ++ */ ++#define MAGIC 0234 +--- linux-2.6.18/net/ipv4/netfilter/regexp/regsub.c 1969-12-31 18:00:00.000000000 -0600 ++++ linux-2.6.18-layer7/net/ipv4/netfilter/regexp/regsub.c 2006-09-24 10:17:45.000000000 -0500 +@@ -0,0 +1,95 @@ ++/* ++ * regsub ++ * @(#)regsub.c 1.3 of 2 April 86 ++ * ++ * Copyright (c) 1986 by University of Toronto. ++ * Written by Henry Spencer. Not derived from licensed software. ++ * ++ * Permission is granted to anyone to use this software for any ++ * purpose on any computer system, and to redistribute it freely, ++ * subject to the following restrictions: ++ * ++ * 1. The author is not responsible for the consequences of use of ++ * this software, no matter how awful, even if they arise ++ * from defects in it. ++ * ++ * 2. The origin of this software must not be misrepresented, either ++ * by explicit claim or by omission. ++ * ++ * 3. Altered versions must be plainly marked as such, and must not ++ * be misrepresented as being the original software. ++ * ++ * ++ * This code was modified by Ethan Sommer to work within the kernel ++ * (it now uses kmalloc etc..) ++ * ++ */ ++#include "regexp.h" ++#include "regmagic.h" ++#include <linux/string.h> ++ ++ ++#ifndef CHARBITS ++#define UCHARAT(p) ((int)*(unsigned char *)(p)) ++#else ++#define UCHARAT(p) ((int)*(p)&CHARBITS) ++#endif ++ ++#if 0 ++//void regerror(char * s) ++//{ ++// printk("regexp(3): %s", s); ++// /* NOTREACHED */ ++//} ++#endif ++ ++/* ++ - regsub - perform substitutions after a regexp match ++ */ ++void ++regsub(regexp * prog, char * source, char * dest) ++{ ++ register char *src; ++ register char *dst; ++ register char c; ++ register int no; ++ register int len; ++ ++ /* Not necessary and gcc doesn't like it -MLS */ ++ /*extern char *strncpy();*/ ++ ++ if (prog == NULL || source == NULL || dest == NULL) { ++ regerror("NULL parm to regsub"); ++ return; ++ } ++ if (UCHARAT(prog->program) != MAGIC) { ++ regerror("damaged regexp fed to regsub"); ++ return; ++ } ++ ++ src = source; ++ dst = dest; ++ while ((c = *src++) != '\0') { ++ if (c == '&') ++ no = 0; ++ else if (c == '\\' && '0' <= *src && *src <= '9') ++ no = *src++ - '0'; ++ else ++ no = -1; ++ ++ if (no < 0) { /* Ordinary character. */ ++ if (c == '\\' && (*src == '\\' || *src == '&')) ++ c = *src++; ++ *dst++ = c; ++ } else if (prog->startp[no] != NULL && prog->endp[no] != NULL) { ++ len = prog->endp[no] - prog->startp[no]; ++ (void) strncpy(dst, prog->startp[no], len); ++ dst += len; ++ if (len != 0 && *(dst-1) == '\0') { /* strncpy hit NUL. */ ++ regerror("damaged match string"); ++ return; ++ } ++ } ++ } ++ *dst++ = '\0'; ++} diff --git a/recipes/linux/linux-magicbox-2.6.18.6/magicbox2-ide-cf_2.6.18.patch b/recipes/linux/linux-magicbox-2.6.18.6/magicbox2-ide-cf_2.6.18.patch new file mode 100644 index 0000000000..113d5c4f85 --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/magicbox2-ide-cf_2.6.18.patch @@ -0,0 +1,221 @@ +diff -Nru linux-2.6.18/drivers/ide/Kconfig linux-2.6.18-magicbox2-cf-ide/drivers/ide/Kconfig +--- linux-2.6.18/drivers/ide/Kconfig 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicbox2-cf-ide/drivers/ide/Kconfig 2006-12-28 19:33:33.000000000 +0100 +@@ -926,6 +926,24 @@ + + If unsure, say N. + ++config BLK_DEV_MAGICBOX_IDE ++ bool "MagicBox 2.0 CF IDE support" ++ depends on 4xx && IDE=y && BLK_DEV_IDE=y ++ help ++ This option provides support for IDE on MagicBox 2.0 boards. ++ ++ If unsure, say N. ++ ++config BLK_DEV_MAGICBOX_PROTOTYPE ++ bool "Compile driver for prototype boards" ++ depends on BLK_DEV_MAGICBOX_IDE ++ help ++ Compile driver for first revision of MagicBox 2.0 boards ++ (wiring changes). ++ ++ If unsure, say N. ++ ++ + choice + prompt "Type of MPC8xx IDE interface" + depends on BLK_DEV_MPC8xx_IDE +diff -Nru linux-2.6.18/drivers/ide/Makefile linux-2.6.18-magicbox2-cf-ide/drivers/ide/Makefile +--- linux-2.6.18/drivers/ide/Makefile 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicbox2-cf-ide/drivers/ide/Makefile 2006-12-28 19:27:00.000000000 +0100 +@@ -36,6 +36,7 @@ + # built-in only drivers from ppc/ + ide-core-$(CONFIG_BLK_DEV_MPC8xx_IDE) += ppc/mpc8xx.o + ide-core-$(CONFIG_BLK_DEV_IDE_PMAC) += ppc/pmac.o ++ide-core-$(CONFIG_BLK_DEV_MAGICBOX_IDE) += ppc/magicbox_ide.o + + # built-in only drivers from h8300/ + ide-core-$(CONFIG_H8300) += h8300/ide-h8300.o +diff -Nru linux-2.6.18/drivers/ide/ide.c linux-2.6.18-magicbox2-cf-ide/drivers/ide/ide.c +--- linux-2.6.18/drivers/ide/ide.c 2006-09-20 05:42:06.000000000 +0200 ++++ linux-2.6.18-magicbox2-cf-ide/drivers/ide/ide.c 2006-12-28 19:27:00.000000000 +0100 +@@ -1836,6 +1836,13 @@ + #ifdef CONFIG_H8300 + h8300_ide_init(); + #endif ++#ifdef CONFIG_BLK_DEV_MAGICBOX_IDE ++ { ++ extern void ide_magicbox_init(); ++ ide_magicbox_init(); ++ } ++#endif ++ + } + + void ide_register_subdriver(ide_drive_t *drive, ide_driver_t *driver) +diff -Nru linux-2.6.18/drivers/ide/ppc/magicbox_ide.c linux-2.6.18-magicbox2-cf-ide/drivers/ide/ppc/magicbox_ide.c +--- linux-2.6.18/drivers/ide/ppc/magicbox_ide.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-magicbox2-cf-ide/drivers/ide/ppc/magicbox_ide.c 2006-12-30 21:00:18.000000000 +0100 +@@ -0,0 +1,161 @@ ++/* Driver for MagicBox 2.0 onboard CompactFlash adapter. ++ * Written by Wojtek Kaniewski <wojtekka@toxygen.net> ++ * ++ * GNU General Public License. ++ */ ++ ++#include <linux/types.h> ++#include <linux/mm.h> ++#include <linux/interrupt.h> ++#include <linux/blkdev.h> ++#include <linux/hdreg.h> ++#include <linux/ide.h> ++#include <linux/delay.h> ++ ++ ++#define UIC0_PR 0xc4 ++#define UIC0_TR 0xc5 ++#define IRQ 25 ++ ++static int ide_offsets[IDE_NR_PORTS] = {0, 2, 4, 6, 8, 10, 12, 14, -1, -1}; ++ ++static u8 magicbox_ide_inb (unsigned long port) ++{ ++ return (u8) (readw((void __iomem *) port) >> 8) & 255; ++} ++ ++static u16 magicbox_ide_inw (unsigned long port) ++{ ++ return (u16) readw((void __iomem *) port); ++} ++ ++static void magicbox_ide_insw (unsigned long port, void *addr, u32 count) ++{ ++ u16 *ptr; ++ ++ for (ptr = addr; count--; ptr++) ++ *ptr = readw((void __iomem *) port); ++} ++ ++static u32 magicbox_ide_inl (unsigned long port) ++{ ++ return (u32) readl((void __iomem *) port); ++} ++ ++static void magicbox_ide_insl (unsigned long port, void *addr, u32 count) ++{ ++ u32 *ptr; ++ ++ for (ptr = addr; count--; ptr++) ++ *ptr = readl((void __iomem *) port); ++} ++ ++static void magicbox_ide_outb (u8 value, unsigned long port) ++{ ++ writew(value << 8, (void __iomem *) port); ++} ++ ++static void magicbox_ide_outbsync (ide_drive_t *drive, u8 value, unsigned long port) ++{ ++ writew(value << 8, (void __iomem *) port); ++} ++ ++static void magicbox_ide_outw (u16 value, unsigned long port) ++{ ++ writew(value, (void __iomem *) port); ++} ++ ++static void magicbox_ide_outsw (unsigned long port, void *addr, u32 count) ++{ ++ u16 *ptr; ++ ++ for (ptr = addr; count--; ptr++) ++ writew(*ptr, (void __iomem *) port); ++} ++ ++static void magicbox_ide_outl (u32 value, unsigned long port) ++{ ++ writel(value, (void __iomem *) port); ++} ++ ++static void magicbox_ide_outsl (unsigned long port, void *addr, u32 count) ++{ ++ u32 *ptr; ++ ++ for (ptr = addr; count--; ptr++) ++ writel(*ptr, (void __iomem *) port); ++} ++ ++ ++static void __init ide_magicbox_register(unsigned long addr, ++ unsigned long caddr, int irq) ++{ ++ hw_regs_t hw; ++ ide_hwif_t *hwif; ++ ++ memset(&hw, 0, sizeof(hw)); ++ ide_setup_ports(&hw, addr, ide_offsets, caddr + 12, 0, NULL,irq); ++ ++ if (ide_register_hw(&hw, &hwif) != -1) ++ { ++ printk(KERN_NOTICE "magicbox-ide: Registered IDE-CF driver\n"); ++ hwif->mmio = 2; ++ hwif->drives[0].unmask = 1; ++ hwif->OUTB = magicbox_ide_outb; ++ hwif->OUTBSYNC = magicbox_ide_outbsync; ++ hwif->OUTW = magicbox_ide_outw; ++ hwif->OUTL = magicbox_ide_outl; ++ hwif->OUTSW = magicbox_ide_outsw; ++ hwif->OUTSL = magicbox_ide_outsl; ++ hwif->INB = magicbox_ide_inb; ++ hwif->INW = magicbox_ide_inw; ++ hwif->INL = magicbox_ide_inl; ++ hwif->INSW = magicbox_ide_insw; ++ hwif->INSL = magicbox_ide_insl; ++ } ++} ++ ++void __init ide_magicbox_init(void) ++{ ++ volatile u16 *addr; ++ volatile u16 *caddr; ++ ++ /* Turn on PerWE instead of PCIsomething */ ++ mtdcr(DCRN_CPC0_PCI_BASE, mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27)); ++ ++#ifdef CONFIG_BLK_DEV_MAGICBOX_PROTOTYPE ++ /* PerCS2 (CF's CS0): base 0xff100000, 16-bit, rw */ ++ mtdcr(DCRN_EBC_BASE, 2); ++ mtdcr(DCRN_EBC_BASE + 1, 0xff11a000); ++ mtdcr(DCRN_EBC_BASE, 0x12); ++ mtdcr(DCRN_EBC_BASE + 1, 0x080bd800); ++ ++ /* PerCS1 (CF's CS1): base 0xff200000, 16-bit, rw */ ++ mtdcr(DCRN_EBC_BASE, 1); ++ mtdcr(DCRN_EBC_BASE + 1, 0xff21a000); ++ mtdcr(DCRN_EBC_BASE, 0x11); ++ mtdcr(DCRN_EBC_BASE + 1, 0x080bd800); ++#else ++ /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */ ++ mtdcr(DCRN_EBC_BASE, 1); ++ mtdcr(DCRN_EBC_BASE + 1, 0xff11a000); ++ mtdcr(DCRN_EBC_BASE, 0x11); ++ mtdcr(DCRN_EBC_BASE + 1, 0x080bd800); ++ ++ /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */ ++ mtdcr(DCRN_EBC_BASE, 2); ++ mtdcr(DCRN_EBC_BASE + 1, 0xff21a000); ++ mtdcr(DCRN_EBC_BASE, 0x12); ++ mtdcr(DCRN_EBC_BASE + 1, 0x080bd800); ++#endif ++ ++ /* Remap physical address space */ ++ addr = ioremap_nocache(0xff100000, 4096); ++ caddr = ioremap_nocache(0xff200000, 4096); ++ ++ /* Set interrupt to low-to-high-edge-triggered */ ++ mtdcr(UIC0_TR, mfdcr(UIC0_TR) & ~(0x80000000L >> IRQ)); ++ mtdcr(UIC0_PR, mfdcr(UIC0_PR) | (0x80000000L >> IRQ)); ++ ++ ide_magicbox_register((unsigned long)addr, (unsigned long)caddr, IRQ); ++} diff --git a/recipes/linux/linux-magicbox-2.6.18.6/squashfs-lzma-support.patch b/recipes/linux/linux-magicbox-2.6.18.6/squashfs-lzma-support.patch new file mode 100644 index 0000000000..212386e7bc --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/squashfs-lzma-support.patch @@ -0,0 +1,890 @@ +diff -Naur linux-2.6.18.orig/fs/squashfs/LzmaDecode.c linux-2.6.18/fs/squashfs/LzmaDecode.c +--- linux-2.6.18.orig/fs/squashfs/LzmaDecode.c 1969-12-31 16:00:00.000000000 -0800 ++++ linux-2.6.18/fs/squashfs/LzmaDecode.c 2006-10-14 03:56:43.000000000 -0700 +@@ -0,0 +1,663 @@ ++/* ++ LzmaDecode.c ++ LZMA Decoder ++ ++ LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25) ++ http://www.7-zip.org/ ++ ++ LZMA SDK is licensed under two licenses: ++ 1) GNU Lesser General Public License (GNU LGPL) ++ 2) Common Public License (CPL) ++ It means that you can select one of these two licenses and ++ follow rules of that license. ++ ++ SPECIAL EXCEPTION: ++ Igor Pavlov, as the author of this code, expressly permits you to ++ statically or dynamically link your code (or bind by name) to the ++ interfaces of this file without subjecting your linked code to the ++ terms of the CPL or GNU LGPL. Any modifications or additions ++ to this file, however, are subject to the LGPL or CPL terms. ++*/ ++ ++#include "LzmaDecode.h" ++ ++#ifndef Byte ++#define Byte unsigned char ++#endif ++ ++#define kNumTopBits 24 ++#define kTopValue ((UInt32)1 << kNumTopBits) ++ ++#define kNumBitModelTotalBits 11 ++#define kBitModelTotal (1 << kNumBitModelTotalBits) ++#define kNumMoveBits 5 ++ ++typedef struct _CRangeDecoder ++{ ++ Byte *Buffer; ++ Byte *BufferLim; ++ UInt32 Range; ++ UInt32 Code; ++ #ifdef _LZMA_IN_CB ++ ILzmaInCallback *InCallback; ++ int Result; ++ #endif ++ int ExtraBytes; ++} CRangeDecoder; ++ ++Byte RangeDecoderReadByte(CRangeDecoder *rd) ++{ ++ if (rd->Buffer == rd->BufferLim) ++ { ++ #ifdef _LZMA_IN_CB ++ UInt32 size; ++ rd->Result = rd->InCallback->Read(rd->InCallback, &rd->Buffer, &size); ++ rd->BufferLim = rd->Buffer + size; ++ if (size == 0) ++ #endif ++ { ++ rd->ExtraBytes = 1; ++ return 0xFF; ++ } ++ } ++ return (*rd->Buffer++); ++} ++ ++/* #define ReadByte (*rd->Buffer++) */ ++#define ReadByte (RangeDecoderReadByte(rd)) ++ ++void RangeDecoderInit(CRangeDecoder *rd, ++ #ifdef _LZMA_IN_CB ++ ILzmaInCallback *inCallback ++ #else ++ Byte *stream, UInt32 bufferSize ++ #endif ++ ) ++{ ++ int i; ++ #ifdef _LZMA_IN_CB ++ rd->InCallback = inCallback; ++ rd->Buffer = rd->BufferLim = 0; ++ #else ++ rd->Buffer = stream; ++ rd->BufferLim = stream + bufferSize; ++ #endif ++ rd->ExtraBytes = 0; ++ rd->Code = 0; ++ rd->Range = (0xFFFFFFFF); ++ for(i = 0; i < 5; i++) ++ rd->Code = (rd->Code << 8) | ReadByte; ++} ++ ++#define RC_INIT_VAR UInt32 range = rd->Range; UInt32 code = rd->Code; ++#define RC_FLUSH_VAR rd->Range = range; rd->Code = code; ++#define RC_NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | ReadByte; } ++ ++UInt32 RangeDecoderDecodeDirectBits(CRangeDecoder *rd, int numTotalBits) ++{ ++ RC_INIT_VAR ++ UInt32 result = 0; ++ int i; ++ for (i = numTotalBits; i > 0; i--) ++ { ++ /* UInt32 t; */ ++ range >>= 1; ++ ++ result <<= 1; ++ if (code >= range) ++ { ++ code -= range; ++ result |= 1; ++ } ++ /* ++ t = (code - range) >> 31; ++ t &= 1; ++ code -= range & (t - 1); ++ result = (result + result) | (1 - t); ++ */ ++ RC_NORMALIZE ++ } ++ RC_FLUSH_VAR ++ return result; ++} ++ ++int RangeDecoderBitDecode(CProb *prob, CRangeDecoder *rd) ++{ ++ UInt32 bound = (rd->Range >> kNumBitModelTotalBits) * *prob; ++ if (rd->Code < bound) ++ { ++ rd->Range = bound; ++ *prob += (kBitModelTotal - *prob) >> kNumMoveBits; ++ if (rd->Range < kTopValue) ++ { ++ rd->Code = (rd->Code << 8) | ReadByte; ++ rd->Range <<= 8; ++ } ++ return 0; ++ } ++ else ++ { ++ rd->Range -= bound; ++ rd->Code -= bound; ++ *prob -= (*prob) >> kNumMoveBits; ++ if (rd->Range < kTopValue) ++ { ++ rd->Code = (rd->Code << 8) | ReadByte; ++ rd->Range <<= 8; ++ } ++ return 1; ++ } ++} ++ ++#define RC_GET_BIT2(prob, mi, A0, A1) \ ++ UInt32 bound = (range >> kNumBitModelTotalBits) * *prob; \ ++ if (code < bound) \ ++ { A0; range = bound; *prob += (kBitModelTotal - *prob) >> kNumMoveBits; mi <<= 1; } \ ++ else \ ++ { A1; range -= bound; code -= bound; *prob -= (*prob) >> kNumMoveBits; mi = (mi + mi) + 1; } \ ++ RC_NORMALIZE ++ ++#define RC_GET_BIT(prob, mi) RC_GET_BIT2(prob, mi, ; , ;) ++ ++int RangeDecoderBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd) ++{ ++ int mi = 1; ++ int i; ++ #ifdef _LZMA_LOC_OPT ++ RC_INIT_VAR ++ #endif ++ for(i = numLevels; i > 0; i--) ++ { ++ #ifdef _LZMA_LOC_OPT ++ CProb *prob = probs + mi; ++ RC_GET_BIT(prob, mi) ++ #else ++ mi = (mi + mi) + RangeDecoderBitDecode(probs + mi, rd); ++ #endif ++ } ++ #ifdef _LZMA_LOC_OPT ++ RC_FLUSH_VAR ++ #endif ++ return mi - (1 << numLevels); ++} ++ ++int RangeDecoderReverseBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd) ++{ ++ int mi = 1; ++ int i; ++ int symbol = 0; ++ #ifdef _LZMA_LOC_OPT ++ RC_INIT_VAR ++ #endif ++ for(i = 0; i < numLevels; i++) ++ { ++ #ifdef _LZMA_LOC_OPT ++ CProb *prob = probs + mi; ++ RC_GET_BIT2(prob, mi, ; , symbol |= (1 << i)) ++ #else ++ int bit = RangeDecoderBitDecode(probs + mi, rd); ++ mi = mi + mi + bit; ++ symbol |= (bit << i); ++ #endif ++ } ++ #ifdef _LZMA_LOC_OPT ++ RC_FLUSH_VAR ++ #endif ++ return symbol; ++} ++ ++Byte LzmaLiteralDecode(CProb *probs, CRangeDecoder *rd) ++{ ++ int symbol = 1; ++ #ifdef _LZMA_LOC_OPT ++ RC_INIT_VAR ++ #endif ++ do ++ { ++ #ifdef _LZMA_LOC_OPT ++ CProb *prob = probs + symbol; ++ RC_GET_BIT(prob, symbol) ++ #else ++ symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd); ++ #endif ++ } ++ while (symbol < 0x100); ++ #ifdef _LZMA_LOC_OPT ++ RC_FLUSH_VAR ++ #endif ++ return symbol; ++} ++ ++Byte LzmaLiteralDecodeMatch(CProb *probs, CRangeDecoder *rd, Byte matchByte) ++{ ++ int symbol = 1; ++ #ifdef _LZMA_LOC_OPT ++ RC_INIT_VAR ++ #endif ++ do ++ { ++ int bit; ++ int matchBit = (matchByte >> 7) & 1; ++ matchByte <<= 1; ++ #ifdef _LZMA_LOC_OPT ++ { ++ CProb *prob = probs + ((1 + matchBit) << 8) + symbol; ++ RC_GET_BIT2(prob, symbol, bit = 0, bit = 1) ++ } ++ #else ++ bit = RangeDecoderBitDecode(probs + ((1 + matchBit) << 8) + symbol, rd); ++ symbol = (symbol << 1) | bit; ++ #endif ++ if (matchBit != bit) ++ { ++ while (symbol < 0x100) ++ { ++ #ifdef _LZMA_LOC_OPT ++ CProb *prob = probs + symbol; ++ RC_GET_BIT(prob, symbol) ++ #else ++ symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd); ++ #endif ++ } ++ break; ++ } ++ } ++ while (symbol < 0x100); ++ #ifdef _LZMA_LOC_OPT ++ RC_FLUSH_VAR ++ #endif ++ return symbol; ++} ++ ++#define kNumPosBitsMax 4 ++#define kNumPosStatesMax (1 << kNumPosBitsMax) ++ ++#define kLenNumLowBits 3 ++#define kLenNumLowSymbols (1 << kLenNumLowBits) ++#define kLenNumMidBits 3 ++#define kLenNumMidSymbols (1 << kLenNumMidBits) ++#define kLenNumHighBits 8 ++#define kLenNumHighSymbols (1 << kLenNumHighBits) ++ ++#define LenChoice 0 ++#define LenChoice2 (LenChoice + 1) ++#define LenLow (LenChoice2 + 1) ++#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits)) ++#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits)) ++#define kNumLenProbs (LenHigh + kLenNumHighSymbols) ++ ++int LzmaLenDecode(CProb *p, CRangeDecoder *rd, int posState) ++{ ++ if(RangeDecoderBitDecode(p + LenChoice, rd) == 0) ++ return RangeDecoderBitTreeDecode(p + LenLow + ++ (posState << kLenNumLowBits), kLenNumLowBits, rd); ++ if(RangeDecoderBitDecode(p + LenChoice2, rd) == 0) ++ return kLenNumLowSymbols + RangeDecoderBitTreeDecode(p + LenMid + ++ (posState << kLenNumMidBits), kLenNumMidBits, rd); ++ return kLenNumLowSymbols + kLenNumMidSymbols + ++ RangeDecoderBitTreeDecode(p + LenHigh, kLenNumHighBits, rd); ++} ++ ++#define kNumStates 12 ++ ++#define kStartPosModelIndex 4 ++#define kEndPosModelIndex 14 ++#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) ++ ++#define kNumPosSlotBits 6 ++#define kNumLenToPosStates 4 ++ ++#define kNumAlignBits 4 ++#define kAlignTableSize (1 << kNumAlignBits) ++ ++#define kMatchMinLen 2 ++ ++#define IsMatch 0 ++#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax)) ++#define IsRepG0 (IsRep + kNumStates) ++#define IsRepG1 (IsRepG0 + kNumStates) ++#define IsRepG2 (IsRepG1 + kNumStates) ++#define IsRep0Long (IsRepG2 + kNumStates) ++#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax)) ++#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits)) ++#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex) ++#define LenCoder (Align + kAlignTableSize) ++#define RepLenCoder (LenCoder + kNumLenProbs) ++#define Literal (RepLenCoder + kNumLenProbs) ++ ++#if Literal != LZMA_BASE_SIZE ++StopCompilingDueBUG ++#endif ++ ++#ifdef _LZMA_OUT_READ ++ ++typedef struct _LzmaVarState ++{ ++ CRangeDecoder RangeDecoder; ++ Byte *Dictionary; ++ UInt32 DictionarySize; ++ UInt32 DictionaryPos; ++ UInt32 GlobalPos; ++ UInt32 Reps[4]; ++ int lc; ++ int lp; ++ int pb; ++ int State; ++ int PreviousIsMatch; ++ int RemainLen; ++} LzmaVarState; ++ ++int LzmaDecoderInit( ++ unsigned char *buffer, UInt32 bufferSize, ++ int lc, int lp, int pb, ++ unsigned char *dictionary, UInt32 dictionarySize, ++ #ifdef _LZMA_IN_CB ++ ILzmaInCallback *inCallback ++ #else ++ unsigned char *inStream, UInt32 inSize ++ #endif ++ ) ++{ ++ LzmaVarState *vs = (LzmaVarState *)buffer; ++ CProb *p = (CProb *)(buffer + sizeof(LzmaVarState)); ++ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp)); ++ UInt32 i; ++ if (bufferSize < numProbs * sizeof(CProb) + sizeof(LzmaVarState)) ++ return LZMA_RESULT_NOT_ENOUGH_MEM; ++ vs->Dictionary = dictionary; ++ vs->DictionarySize = dictionarySize; ++ vs->DictionaryPos = 0; ++ vs->GlobalPos = 0; ++ vs->Reps[0] = vs->Reps[1] = vs->Reps[2] = vs->Reps[3] = 1; ++ vs->lc = lc; ++ vs->lp = lp; ++ vs->pb = pb; ++ vs->State = 0; ++ vs->PreviousIsMatch = 0; ++ vs->RemainLen = 0; ++ dictionary[dictionarySize - 1] = 0; ++ for (i = 0; i < numProbs; i++) ++ p[i] = kBitModelTotal >> 1; ++ RangeDecoderInit(&vs->RangeDecoder, ++ #ifdef _LZMA_IN_CB ++ inCallback ++ #else ++ inStream, inSize ++ #endif ++ ); ++ return LZMA_RESULT_OK; ++} ++ ++int LzmaDecode(unsigned char *buffer, ++ unsigned char *outStream, UInt32 outSize, ++ UInt32 *outSizeProcessed) ++{ ++ LzmaVarState *vs = (LzmaVarState *)buffer; ++ CProb *p = (CProb *)(buffer + sizeof(LzmaVarState)); ++ CRangeDecoder rd = vs->RangeDecoder; ++ int state = vs->State; ++ int previousIsMatch = vs->PreviousIsMatch; ++ Byte previousByte; ++ UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3]; ++ UInt32 nowPos = 0; ++ UInt32 posStateMask = (1 << (vs->pb)) - 1; ++ UInt32 literalPosMask = (1 << (vs->lp)) - 1; ++ int lc = vs->lc; ++ int len = vs->RemainLen; ++ UInt32 globalPos = vs->GlobalPos; ++ ++ Byte *dictionary = vs->Dictionary; ++ UInt32 dictionarySize = vs->DictionarySize; ++ UInt32 dictionaryPos = vs->DictionaryPos; ++ ++ if (len == -1) ++ { ++ *outSizeProcessed = 0; ++ return LZMA_RESULT_OK; ++ } ++ ++ while(len > 0 && nowPos < outSize) ++ { ++ UInt32 pos = dictionaryPos - rep0; ++ if (pos >= dictionarySize) ++ pos += dictionarySize; ++ outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos]; ++ if (++dictionaryPos == dictionarySize) ++ dictionaryPos = 0; ++ len--; ++ } ++ if (dictionaryPos == 0) ++ previousByte = dictionary[dictionarySize - 1]; ++ else ++ previousByte = dictionary[dictionaryPos - 1]; ++#else ++ ++int LzmaDecode( ++ Byte *buffer, UInt32 bufferSize, ++ int lc, int lp, int pb, ++ #ifdef _LZMA_IN_CB ++ ILzmaInCallback *inCallback, ++ #else ++ unsigned char *inStream, UInt32 inSize, ++ #endif ++ unsigned char *outStream, UInt32 outSize, ++ UInt32 *outSizeProcessed) ++{ ++ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp)); ++ CProb *p = (CProb *)buffer; ++ CRangeDecoder rd; ++ UInt32 i; ++ int state = 0; ++ int previousIsMatch = 0; ++ Byte previousByte = 0; ++ UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1; ++ UInt32 nowPos = 0; ++ UInt32 posStateMask = (1 << pb) - 1; ++ UInt32 literalPosMask = (1 << lp) - 1; ++ int len = 0; ++ if (bufferSize < numProbs * sizeof(CProb)) ++ return LZMA_RESULT_NOT_ENOUGH_MEM; ++ for (i = 0; i < numProbs; i++) ++ p[i] = kBitModelTotal >> 1; ++ RangeDecoderInit(&rd, ++ #ifdef _LZMA_IN_CB ++ inCallback ++ #else ++ inStream, inSize ++ #endif ++ ); ++#endif ++ ++ *outSizeProcessed = 0; ++ while(nowPos < outSize) ++ { ++ int posState = (int)( ++ (nowPos ++ #ifdef _LZMA_OUT_READ ++ + globalPos ++ #endif ++ ) ++ & posStateMask); ++ #ifdef _LZMA_IN_CB ++ if (rd.Result != LZMA_RESULT_OK) ++ return rd.Result; ++ #endif ++ if (rd.ExtraBytes != 0) ++ return LZMA_RESULT_DATA_ERROR; ++ if (RangeDecoderBitDecode(p + IsMatch + (state << kNumPosBitsMax) + posState, &rd) == 0) ++ { ++ CProb *probs = p + Literal + (LZMA_LIT_SIZE * ++ ((( ++ (nowPos ++ #ifdef _LZMA_OUT_READ ++ + globalPos ++ #endif ++ ) ++ & literalPosMask) << lc) + (previousByte >> (8 - lc)))); ++ ++ if (state < 4) state = 0; ++ else if (state < 10) state -= 3; ++ else state -= 6; ++ if (previousIsMatch) ++ { ++ Byte matchByte; ++ #ifdef _LZMA_OUT_READ ++ UInt32 pos = dictionaryPos - rep0; ++ if (pos >= dictionarySize) ++ pos += dictionarySize; ++ matchByte = dictionary[pos]; ++ #else ++ matchByte = outStream[nowPos - rep0]; ++ #endif ++ previousByte = LzmaLiteralDecodeMatch(probs, &rd, matchByte); ++ previousIsMatch = 0; ++ } ++ else ++ previousByte = LzmaLiteralDecode(probs, &rd); ++ outStream[nowPos++] = previousByte; ++ #ifdef _LZMA_OUT_READ ++ dictionary[dictionaryPos] = previousByte; ++ if (++dictionaryPos == dictionarySize) ++ dictionaryPos = 0; ++ #endif ++ } ++ else ++ { ++ previousIsMatch = 1; ++ if (RangeDecoderBitDecode(p + IsRep + state, &rd) == 1) ++ { ++ if (RangeDecoderBitDecode(p + IsRepG0 + state, &rd) == 0) ++ { ++ if (RangeDecoderBitDecode(p + IsRep0Long + (state << kNumPosBitsMax) + posState, &rd) == 0) ++ { ++ #ifdef _LZMA_OUT_READ ++ UInt32 pos; ++ #endif ++ if ( ++ (nowPos ++ #ifdef _LZMA_OUT_READ ++ + globalPos ++ #endif ++ ) ++ == 0) ++ return LZMA_RESULT_DATA_ERROR; ++ state = state < 7 ? 9 : 11; ++ #ifdef _LZMA_OUT_READ ++ pos = dictionaryPos - rep0; ++ if (pos >= dictionarySize) ++ pos += dictionarySize; ++ previousByte = dictionary[pos]; ++ dictionary[dictionaryPos] = previousByte; ++ if (++dictionaryPos == dictionarySize) ++ dictionaryPos = 0; ++ #else ++ previousByte = outStream[nowPos - rep0]; ++ #endif ++ outStream[nowPos++] = previousByte; ++ continue; ++ } ++ } ++ else ++ { ++ UInt32 distance; ++ if(RangeDecoderBitDecode(p + IsRepG1 + state, &rd) == 0) ++ distance = rep1; ++ else ++ { ++ if(RangeDecoderBitDecode(p + IsRepG2 + state, &rd) == 0) ++ distance = rep2; ++ else ++ { ++ distance = rep3; ++ rep3 = rep2; ++ } ++ rep2 = rep1; ++ } ++ rep1 = rep0; ++ rep0 = distance; ++ } ++ len = LzmaLenDecode(p + RepLenCoder, &rd, posState); ++ state = state < 7 ? 8 : 11; ++ } ++ else ++ { ++ int posSlot; ++ rep3 = rep2; ++ rep2 = rep1; ++ rep1 = rep0; ++ state = state < 7 ? 7 : 10; ++ len = LzmaLenDecode(p + LenCoder, &rd, posState); ++ posSlot = RangeDecoderBitTreeDecode(p + PosSlot + ++ ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << ++ kNumPosSlotBits), kNumPosSlotBits, &rd); ++ if (posSlot >= kStartPosModelIndex) ++ { ++ int numDirectBits = ((posSlot >> 1) - 1); ++ rep0 = ((2 | ((UInt32)posSlot & 1)) << numDirectBits); ++ if (posSlot < kEndPosModelIndex) ++ { ++ rep0 += RangeDecoderReverseBitTreeDecode( ++ p + SpecPos + rep0 - posSlot - 1, numDirectBits, &rd); ++ } ++ else ++ { ++ rep0 += RangeDecoderDecodeDirectBits(&rd, ++ numDirectBits - kNumAlignBits) << kNumAlignBits; ++ rep0 += RangeDecoderReverseBitTreeDecode(p + Align, kNumAlignBits, &rd); ++ } ++ } ++ else ++ rep0 = posSlot; ++ rep0++; ++ } ++ if (rep0 == (UInt32)(0)) ++ { ++ /* it's for stream version */ ++ len = -1; ++ break; ++ } ++ if (rep0 > nowPos ++ #ifdef _LZMA_OUT_READ ++ + globalPos ++ #endif ++ ) ++ { ++ return LZMA_RESULT_DATA_ERROR; ++ } ++ len += kMatchMinLen; ++ do ++ { ++ #ifdef _LZMA_OUT_READ ++ UInt32 pos = dictionaryPos - rep0; ++ if (pos >= dictionarySize) ++ pos += dictionarySize; ++ previousByte = dictionary[pos]; ++ dictionary[dictionaryPos] = previousByte; ++ if (++dictionaryPos == dictionarySize) ++ dictionaryPos = 0; ++ #else ++ previousByte = outStream[nowPos - rep0]; ++ #endif ++ outStream[nowPos++] = previousByte; ++ len--; ++ } ++ while(len > 0 && nowPos < outSize); ++ } ++ } ++ ++ #ifdef _LZMA_OUT_READ ++ vs->RangeDecoder = rd; ++ vs->DictionaryPos = dictionaryPos; ++ vs->GlobalPos = globalPos + nowPos; ++ vs->Reps[0] = rep0; ++ vs->Reps[1] = rep1; ++ vs->Reps[2] = rep2; ++ vs->Reps[3] = rep3; ++ vs->State = state; ++ vs->PreviousIsMatch = previousIsMatch; ++ vs->RemainLen = len; ++ #endif ++ ++ *outSizeProcessed = nowPos; ++ return LZMA_RESULT_OK; ++} +diff -Naur linux-2.6.18.orig/fs/squashfs/LzmaDecode.h linux-2.6.18/fs/squashfs/LzmaDecode.h +--- linux-2.6.18.orig/fs/squashfs/LzmaDecode.h 1969-12-31 16:00:00.000000000 -0800 ++++ linux-2.6.18/fs/squashfs/LzmaDecode.h 2006-10-14 03:56:43.000000000 -0700 +@@ -0,0 +1,100 @@ ++/* ++ LzmaDecode.h ++ LZMA Decoder interface ++ ++ LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25) ++ http://www.7-zip.org/ ++ ++ LZMA SDK is licensed under two licenses: ++ 1) GNU Lesser General Public License (GNU LGPL) ++ 2) Common Public License (CPL) ++ It means that you can select one of these two licenses and ++ follow rules of that license. ++ ++ SPECIAL EXCEPTION: ++ Igor Pavlov, as the author of this code, expressly permits you to ++ statically or dynamically link your code (or bind by name) to the ++ interfaces of this file without subjecting your linked code to the ++ terms of the CPL or GNU LGPL. Any modifications or additions ++ to this file, however, are subject to the LGPL or CPL terms. ++*/ ++ ++#ifndef __LZMADECODE_H ++#define __LZMADECODE_H ++ ++/* #define _LZMA_IN_CB */ ++/* Use callback for input data */ ++ ++/* #define _LZMA_OUT_READ */ ++/* Use read function for output data */ ++ ++/* #define _LZMA_PROB32 */ ++/* It can increase speed on some 32-bit CPUs, ++ but memory usage will be doubled in that case */ ++ ++/* #define _LZMA_LOC_OPT */ ++/* Enable local speed optimizations inside code */ ++ ++#ifndef UInt32 ++#ifdef _LZMA_UINT32_IS_ULONG ++#define UInt32 unsigned long ++#else ++#define UInt32 unsigned int ++#endif ++#endif ++ ++#ifdef _LZMA_PROB32 ++#define CProb UInt32 ++#else ++#define CProb unsigned short ++#endif ++ ++#define LZMA_RESULT_OK 0 ++#define LZMA_RESULT_DATA_ERROR 1 ++#define LZMA_RESULT_NOT_ENOUGH_MEM 2 ++ ++#ifdef _LZMA_IN_CB ++typedef struct _ILzmaInCallback ++{ ++ int (*Read)(void *object, unsigned char **buffer, UInt32 *bufferSize); ++} ILzmaInCallback; ++#endif ++ ++#define LZMA_BASE_SIZE 1846 ++#define LZMA_LIT_SIZE 768 ++ ++/* ++bufferSize = (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp)))* sizeof(CProb) ++bufferSize += 100 in case of _LZMA_OUT_READ ++by default CProb is unsigned short, ++but if specify _LZMA_PROB_32, CProb will be UInt32(unsigned int) ++*/ ++ ++#ifdef _LZMA_OUT_READ ++int LzmaDecoderInit( ++ unsigned char *buffer, UInt32 bufferSize, ++ int lc, int lp, int pb, ++ unsigned char *dictionary, UInt32 dictionarySize, ++ #ifdef _LZMA_IN_CB ++ ILzmaInCallback *inCallback ++ #else ++ unsigned char *inStream, UInt32 inSize ++ #endif ++); ++#endif ++ ++int LzmaDecode( ++ unsigned char *buffer, ++ #ifndef _LZMA_OUT_READ ++ UInt32 bufferSize, ++ int lc, int lp, int pb, ++ #ifdef _LZMA_IN_CB ++ ILzmaInCallback *inCallback, ++ #else ++ unsigned char *inStream, UInt32 inSize, ++ #endif ++ #endif ++ unsigned char *outStream, UInt32 outSize, ++ UInt32 *outSizeProcessed); ++ ++#endif +diff -Naur linux-2.6.18.orig/fs/squashfs/inode.c linux-2.6.18/fs/squashfs/inode.c +--- linux-2.6.18.orig/fs/squashfs/inode.c 2006-10-14 03:56:28.000000000 -0700 ++++ linux-2.6.18/fs/squashfs/inode.c 2006-10-14 03:56:43.000000000 -0700 +@@ -4,6 +4,9 @@ + * Copyright (c) 2002, 2003, 2004, 2005, 2006 + * Phillip Lougher <phillip@lougher.org.uk> + * ++ * LZMA decompressor support added by Oleg I. Vdovikin ++ * Copyright (c) 2005 Oleg I.Vdovikin <oleg@cs.msu.su> ++ * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2, +@@ -21,6 +24,7 @@ + * inode.c + */ + ++#define SQUASHFS_LZMA + #include <linux/types.h> + #include <linux/squashfs_fs.h> + #include <linux/module.h> +@@ -44,6 +48,19 @@ + + #include "squashfs.h" + ++#ifdef SQUASHFS_LZMA ++#include "LzmaDecode.h" ++ ++/* default LZMA settings, should be in sync with mksquashfs */ ++#define LZMA_LC 3 ++#define LZMA_LP 0 ++#define LZMA_PB 2 ++ ++#define LZMA_WORKSPACE_SIZE ((LZMA_BASE_SIZE + \ ++ (LZMA_LIT_SIZE << (LZMA_LC + LZMA_LP))) * sizeof(CProb)) ++ ++#endif ++ + static void squashfs_put_super(struct super_block *); + static int squashfs_statfs(struct dentry *, struct kstatfs *); + static int squashfs_symlink_readpage(struct file *file, struct page *page); +@@ -63,6 +80,10 @@ + static int squashfs_get_sb(struct file_system_type *, int, const char *, void *, + struct vfsmount *); + ++#ifdef SQUASHFS_LZMA ++static unsigned char lzma_workspace[LZMA_WORKSPACE_SIZE]; ++#endif ++ + static struct file_system_type squashfs_fs_type = { + .owner = THIS_MODULE, + .name = "squashfs", +@@ -246,6 +267,15 @@ + if (compressed) { + int zlib_err; + ++#ifdef SQUASHFS_LZMA ++ if ((zlib_err = LzmaDecode(lzma_workspace, ++ LZMA_WORKSPACE_SIZE, LZMA_LC, LZMA_LP, LZMA_PB, ++ c_buffer, c_byte, buffer, msblk->read_size, &bytes)) != LZMA_RESULT_OK) ++ { ++ ERROR("lzma returned unexpected result 0x%x\n", zlib_err); ++ bytes = 0; ++ } ++#else + msblk->stream.next_in = c_buffer; + msblk->stream.avail_in = c_byte; + msblk->stream.next_out = buffer; +@@ -260,7 +290,7 @@ + bytes = 0; + } else + bytes = msblk->stream.total_out; +- ++#endif + up(&msblk->read_data_mutex); + } + +@@ -964,10 +994,12 @@ + } + memset(s->s_fs_info, 0, sizeof(struct squashfs_sb_info)); + msblk = s->s_fs_info; ++#ifndef SQUASHFS_LZMA + if (!(msblk->stream.workspace = vmalloc(zlib_inflate_workspacesize()))) { + ERROR("Failed to allocate zlib workspace\n"); + goto failure; + } ++#endif + sblk = &msblk->sblk; + + msblk->devblksize = sb_min_blocksize(s, BLOCK_SIZE); +@@ -1140,7 +1172,9 @@ + kfree(msblk->read_data); + kfree(msblk->block_cache); + kfree(msblk->fragment_index_2); ++#ifndef SQUASHFS_LZMA + vfree(msblk->stream.workspace); ++#endif + kfree(s->s_fs_info); + s->s_fs_info = NULL; + return -EINVAL; +@@ -2060,7 +2094,9 @@ + kfree(sbi->fragment_index); + kfree(sbi->fragment_index_2); + kfree(sbi->meta_index); ++#ifndef SQUASHFS_LZMA + vfree(sbi->stream.workspace); ++#endif + kfree(s->s_fs_info); + s->s_fs_info = NULL; + } + +diff -Naur linux-2.6.18.orig/fs/squashfs/Makefile linux-2.6.18/fs/squashfs/Makefile +--- linux-2.6.18.orig/fs/squashfs/Makefile 2006-10-14 03:56:28.000000000 -0700 ++++ linux-2.6.18/fs/squashfs/Makefile 2006-10-14 03:56:43.000000000 -0700 +@@ -5,3 +5,4 @@ + obj-$(CONFIG_SQUASHFS) += squashfs.o + squashfs-y += inode.o + squashfs-y += squashfs2_0.o ++squashfs-y += LzmaDecode.o diff --git a/recipes/linux/linux-magicbox-2.6.18.6/squashfs3.1-patch b/recipes/linux/linux-magicbox-2.6.18.6/squashfs3.1-patch new file mode 100644 index 0000000000..9f24221335 --- /dev/null +++ b/recipes/linux/linux-magicbox-2.6.18.6/squashfs3.1-patch @@ -0,0 +1,4227 @@ +diff --new-file -urp linux-2.6.18/fs/Kconfig linux-2.6.18-squashfs3.1/fs/Kconfig +--- linux-2.6.18/fs/Kconfig 2006-08-11 00:03:11.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/fs/Kconfig 2006-08-21 00:13:12.000000000 +0100 +@@ -1249,6 +1249,71 @@ config CRAMFS + + If unsure, say N. + ++config SQUASHFS ++ tristate "SquashFS 3.1 - Squashed file system support" ++ select ZLIB_INFLATE ++ help ++ Saying Y here includes support for SquashFS 3.1 (a Compressed Read-Only File ++ System). Squashfs is a highly compressed read-only filesystem for Linux. ++ It uses zlib compression to compress both files, inodes and directories. ++ Inodes in the system are very small and all blocks are packed to minimise ++ data overhead. Block sizes greater than 4K are supported up to a maximum of 64K. ++ SquashFS 3.1 supports 64 bit filesystems and files (larger than 4GB), full ++ uid/gid information, hard links and timestamps. ++ ++ Squashfs is intended for general read-only filesystem use, for archival ++ use (i.e. in cases where a .tar.gz file may be used), and in embedded ++ systems where low overhead is needed. Further information and filesystem tools ++ are available from http://squashfs.sourceforge.net. ++ ++ If you want to compile this as a module ( = code which can be ++ inserted in and removed from the running kernel whenever you want), ++ say M here and read <file:Documentation/modules.txt>. The module ++ will be called squashfs. Note that the root file system (the one ++ containing the directory /) cannot be compiled as a module. ++ ++ If unsure, say N. ++ ++config SQUASHFS_EMBEDDED ++ ++ bool "Additional options for memory-constrained systems" ++ depends on SQUASHFS ++ default n ++ help ++ Saying Y here allows you to specify cache sizes and how Squashfs ++ allocates memory. This is only intended for memory constrained ++ systems. ++ ++ If unsure, say N. ++ ++config SQUASHFS_FRAGMENT_CACHE_SIZE ++ int "Number of fragments cached" if SQUASHFS_EMBEDDED ++ depends on SQUASHFS ++ default "3" ++ help ++ By default SquashFS caches the last 3 fragments read from ++ the filesystem. Increasing this amount may mean SquashFS ++ has to re-read fragments less often from disk, at the expense ++ of extra system memory. Decreasing this amount will mean ++ SquashFS uses less memory at the expense of extra reads from disk. ++ ++ Note there must be at least one cached fragment. Anything ++ much more than three will probably not make much difference. ++ ++config SQUASHFS_VMALLOC ++ bool "Use Vmalloc rather than Kmalloc" if SQUASHFS_EMBEDDED ++ depends on SQUASHFS ++ default n ++ help ++ By default SquashFS uses kmalloc to obtain fragment cache memory. ++ Kmalloc memory is the standard kernel allocator, but it can fail ++ on memory constrained systems. Because of the way Vmalloc works, ++ Vmalloc can succeed when kmalloc fails. Specifying this option ++ will make SquashFS always use Vmalloc to allocate the ++ fragment cache memory. ++ ++ If unsure, say N. ++ + config VXFS_FS + tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" + help +diff --new-file -urp linux-2.6.18/fs/Makefile linux-2.6.18-squashfs3.1/fs/Makefile +--- linux-2.6.18/fs/Makefile 2006-08-11 00:03:12.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/fs/Makefile 2006-08-21 00:13:12.000000000 +0100 +@@ -57,6 +57,7 @@ obj-$(CONFIG_EXT3_FS) += ext3/ # Before + obj-$(CONFIG_JBD) += jbd/ + obj-$(CONFIG_EXT2_FS) += ext2/ + obj-$(CONFIG_CRAMFS) += cramfs/ ++obj-$(CONFIG_SQUASHFS) += squashfs/ + obj-$(CONFIG_RAMFS) += ramfs/ + obj-$(CONFIG_HUGETLBFS) += hugetlbfs/ + obj-$(CONFIG_CODA_FS) += coda/ +diff --new-file -urp linux-2.6.18/fs/squashfs/inode.c linux-2.6.18-squashfs3.1/fs/squashfs/inode.c +--- linux-2.6.18/fs/squashfs/inode.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/fs/squashfs/inode.c 2006-08-21 00:15:29.000000000 +0100 +@@ -0,0 +1,2156 @@ ++/* ++ * Squashfs - a compressed read only filesystem for Linux ++ * ++ * Copyright (c) 2002, 2003, 2004, 2005, 2006 ++ * Phillip Lougher <phillip@lougher.org.uk> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2, ++ * or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * inode.c ++ */ ++ ++#include <linux/types.h> ++#include <linux/squashfs_fs.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/slab.h> ++#include <linux/zlib.h> ++#include <linux/fs.h> ++#include <linux/smp_lock.h> ++#include <linux/slab.h> ++#include <linux/squashfs_fs_sb.h> ++#include <linux/squashfs_fs_i.h> ++#include <linux/buffer_head.h> ++#include <linux/vfs.h> ++#include <linux/init.h> ++#include <linux/dcache.h> ++#include <linux/wait.h> ++#include <linux/blkdev.h> ++#include <linux/vmalloc.h> ++#include <asm/uaccess.h> ++#include <asm/semaphore.h> ++ ++#include "squashfs.h" ++ ++static void squashfs_put_super(struct super_block *); ++static int squashfs_statfs(struct dentry *, struct kstatfs *); ++static int squashfs_symlink_readpage(struct file *file, struct page *page); ++static int squashfs_readpage(struct file *file, struct page *page); ++static int squashfs_readpage4K(struct file *file, struct page *page); ++static int squashfs_readdir(struct file *, void *, filldir_t); ++static struct inode *squashfs_alloc_inode(struct super_block *sb); ++static void squashfs_destroy_inode(struct inode *inode); ++static int init_inodecache(void); ++static void destroy_inodecache(void); ++static struct dentry *squashfs_lookup(struct inode *, struct dentry *, ++ struct nameidata *); ++static struct inode *squashfs_iget(struct super_block *s, squashfs_inode_t inode); ++static long long read_blocklist(struct inode *inode, int index, ++ int readahead_blks, char *block_list, ++ unsigned short **block_p, unsigned int *bsize); ++static int squashfs_get_sb(struct file_system_type *, int, const char *, void *, ++ struct vfsmount *); ++ ++static struct file_system_type squashfs_fs_type = { ++ .owner = THIS_MODULE, ++ .name = "squashfs", ++ .get_sb = squashfs_get_sb, ++ .kill_sb = kill_block_super, ++ .fs_flags = FS_REQUIRES_DEV ++}; ++ ++static unsigned char squashfs_filetype_table[] = { ++ DT_UNKNOWN, DT_DIR, DT_REG, DT_LNK, DT_BLK, DT_CHR, DT_FIFO, DT_SOCK ++}; ++ ++static struct super_operations squashfs_ops = { ++ .alloc_inode = squashfs_alloc_inode, ++ .destroy_inode = squashfs_destroy_inode, ++ .statfs = squashfs_statfs, ++ .put_super = squashfs_put_super, ++}; ++ ++SQSH_EXTERN struct address_space_operations squashfs_symlink_aops = { ++ .readpage = squashfs_symlink_readpage ++}; ++ ++SQSH_EXTERN struct address_space_operations squashfs_aops = { ++ .readpage = squashfs_readpage ++}; ++ ++SQSH_EXTERN struct address_space_operations squashfs_aops_4K = { ++ .readpage = squashfs_readpage4K ++}; ++ ++static struct file_operations squashfs_dir_ops = { ++ .read = generic_read_dir, ++ .readdir = squashfs_readdir ++}; ++ ++SQSH_EXTERN struct inode_operations squashfs_dir_inode_ops = { ++ .lookup = squashfs_lookup ++}; ++ ++ ++static struct buffer_head *get_block_length(struct super_block *s, ++ int *cur_index, int *offset, int *c_byte) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ unsigned short temp; ++ struct buffer_head *bh; ++ ++ if (!(bh = sb_bread(s, *cur_index))) ++ goto out; ++ ++ if (msblk->devblksize - *offset == 1) { ++ if (msblk->swap) ++ ((unsigned char *) &temp)[1] = *((unsigned char *) ++ (bh->b_data + *offset)); ++ else ++ ((unsigned char *) &temp)[0] = *((unsigned char *) ++ (bh->b_data + *offset)); ++ brelse(bh); ++ if (!(bh = sb_bread(s, ++(*cur_index)))) ++ goto out; ++ if (msblk->swap) ++ ((unsigned char *) &temp)[0] = *((unsigned char *) ++ bh->b_data); ++ else ++ ((unsigned char *) &temp)[1] = *((unsigned char *) ++ bh->b_data); ++ *c_byte = temp; ++ *offset = 1; ++ } else { ++ if (msblk->swap) { ++ ((unsigned char *) &temp)[1] = *((unsigned char *) ++ (bh->b_data + *offset)); ++ ((unsigned char *) &temp)[0] = *((unsigned char *) ++ (bh->b_data + *offset + 1)); ++ } else { ++ ((unsigned char *) &temp)[0] = *((unsigned char *) ++ (bh->b_data + *offset)); ++ ((unsigned char *) &temp)[1] = *((unsigned char *) ++ (bh->b_data + *offset + 1)); ++ } ++ *c_byte = temp; ++ *offset += 2; ++ } ++ ++ if (SQUASHFS_CHECK_DATA(msblk->sblk.flags)) { ++ if (*offset == msblk->devblksize) { ++ brelse(bh); ++ if (!(bh = sb_bread(s, ++(*cur_index)))) ++ goto out; ++ *offset = 0; ++ } ++ if (*((unsigned char *) (bh->b_data + *offset)) != ++ SQUASHFS_MARKER_BYTE) { ++ ERROR("Metadata block marker corrupt @ %x\n", ++ *cur_index); ++ brelse(bh); ++ goto out; ++ } ++ (*offset)++; ++ } ++ return bh; ++ ++out: ++ return NULL; ++} ++ ++ ++SQSH_EXTERN unsigned int squashfs_read_data(struct super_block *s, char *buffer, ++ long long index, unsigned int length, ++ long long *next_index) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct buffer_head *bh[((SQUASHFS_FILE_MAX_SIZE - 1) >> ++ msblk->devblksize_log2) + 2]; ++ unsigned int offset = index & ((1 << msblk->devblksize_log2) - 1); ++ unsigned int cur_index = index >> msblk->devblksize_log2; ++ int bytes, avail_bytes, b = 0, k; ++ char *c_buffer; ++ unsigned int compressed; ++ unsigned int c_byte = length; ++ ++ if (c_byte) { ++ bytes = msblk->devblksize - offset; ++ compressed = SQUASHFS_COMPRESSED_BLOCK(c_byte); ++ c_buffer = compressed ? msblk->read_data : buffer; ++ c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(c_byte); ++ ++ TRACE("Block @ 0x%llx, %scompressed size %d\n", index, compressed ++ ? "" : "un", (unsigned int) c_byte); ++ ++ if (!(bh[0] = sb_getblk(s, cur_index))) ++ goto block_release; ++ ++ for (b = 1; bytes < c_byte; b++) { ++ if (!(bh[b] = sb_getblk(s, ++cur_index))) ++ goto block_release; ++ bytes += msblk->devblksize; ++ } ++ ll_rw_block(READ, b, bh); ++ } else { ++ if (!(bh[0] = get_block_length(s, &cur_index, &offset, ++ &c_byte))) ++ goto read_failure; ++ ++ bytes = msblk->devblksize - offset; ++ compressed = SQUASHFS_COMPRESSED(c_byte); ++ c_buffer = compressed ? msblk->read_data : buffer; ++ c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte); ++ ++ TRACE("Block @ 0x%llx, %scompressed size %d\n", index, compressed ++ ? "" : "un", (unsigned int) c_byte); ++ ++ for (b = 1; bytes < c_byte; b++) { ++ if (!(bh[b] = sb_getblk(s, ++cur_index))) ++ goto block_release; ++ bytes += msblk->devblksize; ++ } ++ ll_rw_block(READ, b - 1, bh + 1); ++ } ++ ++ if (compressed) ++ down(&msblk->read_data_mutex); ++ ++ for (bytes = 0, k = 0; k < b; k++) { ++ avail_bytes = (c_byte - bytes) > (msblk->devblksize - offset) ? ++ msblk->devblksize - offset : ++ c_byte - bytes; ++ wait_on_buffer(bh[k]); ++ if (!buffer_uptodate(bh[k])) ++ goto block_release; ++ memcpy(c_buffer + bytes, bh[k]->b_data + offset, avail_bytes); ++ bytes += avail_bytes; ++ offset = 0; ++ brelse(bh[k]); ++ } ++ ++ /* ++ * uncompress block ++ */ ++ if (compressed) { ++ int zlib_err; ++ ++ msblk->stream.next_in = c_buffer; ++ msblk->stream.avail_in = c_byte; ++ msblk->stream.next_out = buffer; ++ msblk->stream.avail_out = msblk->read_size; ++ ++ if (((zlib_err = zlib_inflateInit(&msblk->stream)) != Z_OK) || ++ ((zlib_err = zlib_inflate(&msblk->stream, Z_FINISH)) ++ != Z_STREAM_END) || ((zlib_err = ++ zlib_inflateEnd(&msblk->stream)) != Z_OK)) { ++ ERROR("zlib_fs returned unexpected result 0x%x\n", ++ zlib_err); ++ bytes = 0; ++ } else ++ bytes = msblk->stream.total_out; ++ ++ up(&msblk->read_data_mutex); ++ } ++ ++ if (next_index) ++ *next_index = index + c_byte + (length ? 0 : ++ (SQUASHFS_CHECK_DATA(msblk->sblk.flags) ++ ? 3 : 2)); ++ return bytes; ++ ++block_release: ++ while (--b >= 0) ++ brelse(bh[b]); ++ ++read_failure: ++ ERROR("sb_bread failed reading block 0x%x\n", cur_index); ++ return 0; ++} ++ ++ ++SQSH_EXTERN int squashfs_get_cached_block(struct super_block *s, char *buffer, ++ long long block, unsigned int offset, ++ int length, long long *next_block, ++ unsigned int *next_offset) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ int n, i, bytes, return_length = length; ++ long long next_index; ++ ++ TRACE("Entered squashfs_get_cached_block [%llx:%x]\n", block, offset); ++ ++ while ( 1 ) { ++ for (i = 0; i < SQUASHFS_CACHED_BLKS; i++) ++ if (msblk->block_cache[i].block == block) ++ break; ++ ++ down(&msblk->block_cache_mutex); ++ ++ if (i == SQUASHFS_CACHED_BLKS) { ++ /* read inode header block */ ++ for (i = msblk->next_cache, n = SQUASHFS_CACHED_BLKS; ++ n ; n --, i = (i + 1) % ++ SQUASHFS_CACHED_BLKS) ++ if (msblk->block_cache[i].block != ++ SQUASHFS_USED_BLK) ++ break; ++ ++ if (n == 0) { ++ wait_queue_t wait; ++ ++ init_waitqueue_entry(&wait, current); ++ add_wait_queue(&msblk->waitq, &wait); ++ set_current_state(TASK_UNINTERRUPTIBLE); ++ up(&msblk->block_cache_mutex); ++ schedule(); ++ set_current_state(TASK_RUNNING); ++ remove_wait_queue(&msblk->waitq, &wait); ++ continue; ++ } ++ msblk->next_cache = (i + 1) % SQUASHFS_CACHED_BLKS; ++ ++ if (msblk->block_cache[i].block == ++ SQUASHFS_INVALID_BLK) { ++ if (!(msblk->block_cache[i].data = ++ kmalloc(SQUASHFS_METADATA_SIZE, ++ GFP_KERNEL))) { ++ ERROR("Failed to allocate cache" ++ "block\n"); ++ up(&msblk->block_cache_mutex); ++ goto out; ++ } ++ } ++ ++ msblk->block_cache[i].block = SQUASHFS_USED_BLK; ++ up(&msblk->block_cache_mutex); ++ ++ if (!(msblk->block_cache[i].length = ++ squashfs_read_data(s, ++ msblk->block_cache[i].data, ++ block, 0, &next_index))) { ++ ERROR("Unable to read cache block [%llx:%x]\n", ++ block, offset); ++ goto out; ++ } ++ ++ down(&msblk->block_cache_mutex); ++ wake_up(&msblk->waitq); ++ msblk->block_cache[i].block = block; ++ msblk->block_cache[i].next_index = next_index; ++ TRACE("Read cache block [%llx:%x]\n", block, offset); ++ } ++ ++ if (msblk->block_cache[i].block != block) { ++ up(&msblk->block_cache_mutex); ++ continue; ++ } ++ ++ if ((bytes = msblk->block_cache[i].length - offset) >= length) { ++ if (buffer) ++ memcpy(buffer, msblk->block_cache[i].data + ++ offset, length); ++ if (msblk->block_cache[i].length - offset == length) { ++ *next_block = msblk->block_cache[i].next_index; ++ *next_offset = 0; ++ } else { ++ *next_block = block; ++ *next_offset = offset + length; ++ } ++ up(&msblk->block_cache_mutex); ++ goto finish; ++ } else { ++ if (buffer) { ++ memcpy(buffer, msblk->block_cache[i].data + ++ offset, bytes); ++ buffer += bytes; ++ } ++ block = msblk->block_cache[i].next_index; ++ up(&msblk->block_cache_mutex); ++ length -= bytes; ++ offset = 0; ++ } ++ } ++ ++finish: ++ return return_length; ++out: ++ return 0; ++} ++ ++ ++static int get_fragment_location(struct super_block *s, unsigned int fragment, ++ long long *fragment_start_block, ++ unsigned int *fragment_size) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ long long start_block = ++ msblk->fragment_index[SQUASHFS_FRAGMENT_INDEX(fragment)]; ++ int offset = SQUASHFS_FRAGMENT_INDEX_OFFSET(fragment); ++ struct squashfs_fragment_entry fragment_entry; ++ ++ if (msblk->swap) { ++ struct squashfs_fragment_entry sfragment_entry; ++ ++ if (!squashfs_get_cached_block(s, (char *) &sfragment_entry, ++ start_block, offset, ++ sizeof(sfragment_entry), &start_block, ++ &offset)) ++ goto out; ++ SQUASHFS_SWAP_FRAGMENT_ENTRY(&fragment_entry, &sfragment_entry); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) &fragment_entry, ++ start_block, offset, ++ sizeof(fragment_entry), &start_block, ++ &offset)) ++ goto out; ++ ++ *fragment_start_block = fragment_entry.start_block; ++ *fragment_size = fragment_entry.size; ++ ++ return 1; ++ ++out: ++ return 0; ++} ++ ++ ++SQSH_EXTERN void release_cached_fragment(struct squashfs_sb_info *msblk, struct ++ squashfs_fragment_cache *fragment) ++{ ++ down(&msblk->fragment_mutex); ++ fragment->locked --; ++ wake_up(&msblk->fragment_wait_queue); ++ up(&msblk->fragment_mutex); ++} ++ ++ ++SQSH_EXTERN struct squashfs_fragment_cache *get_cached_fragment(struct super_block ++ *s, long long start_block, ++ int length) ++{ ++ int i, n; ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ ++ while ( 1 ) { ++ down(&msblk->fragment_mutex); ++ ++ for (i = 0; i < SQUASHFS_CACHED_FRAGMENTS && ++ msblk->fragment[i].block != start_block; i++); ++ ++ if (i == SQUASHFS_CACHED_FRAGMENTS) { ++ for (i = msblk->next_fragment, n = ++ SQUASHFS_CACHED_FRAGMENTS; n && ++ msblk->fragment[i].locked; n--, i = (i + 1) % ++ SQUASHFS_CACHED_FRAGMENTS); ++ ++ if (n == 0) { ++ wait_queue_t wait; ++ ++ init_waitqueue_entry(&wait, current); ++ add_wait_queue(&msblk->fragment_wait_queue, ++ &wait); ++ set_current_state(TASK_UNINTERRUPTIBLE); ++ up(&msblk->fragment_mutex); ++ schedule(); ++ set_current_state(TASK_RUNNING); ++ remove_wait_queue(&msblk->fragment_wait_queue, ++ &wait); ++ continue; ++ } ++ msblk->next_fragment = (msblk->next_fragment + 1) % ++ SQUASHFS_CACHED_FRAGMENTS; ++ ++ if (msblk->fragment[i].data == NULL) ++ if (!(msblk->fragment[i].data = SQUASHFS_ALLOC ++ (SQUASHFS_FILE_MAX_SIZE))) { ++ ERROR("Failed to allocate fragment " ++ "cache block\n"); ++ up(&msblk->fragment_mutex); ++ goto out; ++ } ++ ++ msblk->fragment[i].block = SQUASHFS_INVALID_BLK; ++ msblk->fragment[i].locked = 1; ++ up(&msblk->fragment_mutex); ++ ++ if (!(msblk->fragment[i].length = squashfs_read_data(s, ++ msblk->fragment[i].data, ++ start_block, length, NULL))) { ++ ERROR("Unable to read fragment cache block " ++ "[%llx]\n", start_block); ++ msblk->fragment[i].locked = 0; ++ goto out; ++ } ++ ++ msblk->fragment[i].block = start_block; ++ TRACE("New fragment %d, start block %lld, locked %d\n", ++ i, msblk->fragment[i].block, ++ msblk->fragment[i].locked); ++ break; ++ } ++ ++ msblk->fragment[i].locked++; ++ up(&msblk->fragment_mutex); ++ TRACE("Got fragment %d, start block %lld, locked %d\n", i, ++ msblk->fragment[i].block, ++ msblk->fragment[i].locked); ++ break; ++ } ++ ++ return &msblk->fragment[i]; ++ ++out: ++ return NULL; ++} ++ ++ ++static struct inode *squashfs_new_inode(struct super_block *s, ++ struct squashfs_base_inode_header *inodeb) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct inode *i = new_inode(s); ++ ++ if (i) { ++ i->i_ino = inodeb->inode_number; ++ i->i_mtime.tv_sec = inodeb->mtime; ++ i->i_atime.tv_sec = inodeb->mtime; ++ i->i_ctime.tv_sec = inodeb->mtime; ++ i->i_uid = msblk->uid[inodeb->uid]; ++ i->i_mode = inodeb->mode; ++ i->i_size = 0; ++ if (inodeb->guid == SQUASHFS_GUIDS) ++ i->i_gid = i->i_uid; ++ else ++ i->i_gid = msblk->guid[inodeb->guid]; ++ } ++ ++ return i; ++} ++ ++ ++static struct inode *squashfs_iget(struct super_block *s, squashfs_inode_t inode) ++{ ++ struct inode *i; ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ long long block = SQUASHFS_INODE_BLK(inode) + ++ sblk->inode_table_start; ++ unsigned int offset = SQUASHFS_INODE_OFFSET(inode); ++ long long next_block; ++ unsigned int next_offset; ++ union squashfs_inode_header id, sid; ++ struct squashfs_base_inode_header *inodeb = &id.base, ++ *sinodeb = &sid.base; ++ ++ TRACE("Entered squashfs_iget\n"); ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) sinodeb, block, ++ offset, sizeof(*sinodeb), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_BASE_INODE_HEADER(inodeb, sinodeb, ++ sizeof(*sinodeb)); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) inodeb, block, ++ offset, sizeof(*inodeb), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ switch(inodeb->inode_type) { ++ case SQUASHFS_FILE_TYPE: { ++ unsigned int frag_size; ++ long long frag_blk; ++ struct squashfs_reg_inode_header *inodep = &id.reg; ++ struct squashfs_reg_inode_header *sinodep = &sid.reg; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_REG_INODE_HEADER(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ frag_blk = SQUASHFS_INVALID_BLK; ++ if (inodep->fragment != SQUASHFS_INVALID_FRAG && ++ !get_fragment_location(s, ++ inodep->fragment, &frag_blk, &frag_size)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb)) == NULL) ++ goto failed_read1; ++ ++ i->i_nlink = 1; ++ i->i_size = inodep->file_size; ++ i->i_fop = &generic_ro_fops; ++ i->i_mode |= S_IFREG; ++ i->i_blocks = ((i->i_size - 1) >> 9) + 1; ++ i->i_blksize = PAGE_CACHE_SIZE; ++ SQUASHFS_I(i)->u.s1.fragment_start_block = frag_blk; ++ SQUASHFS_I(i)->u.s1.fragment_size = frag_size; ++ SQUASHFS_I(i)->u.s1.fragment_offset = inodep->offset; ++ SQUASHFS_I(i)->start_block = inodep->start_block; ++ SQUASHFS_I(i)->u.s1.block_list_start = next_block; ++ SQUASHFS_I(i)->offset = next_offset; ++ if (sblk->block_size > 4096) ++ i->i_data.a_ops = &squashfs_aops; ++ else ++ i->i_data.a_ops = &squashfs_aops_4K; ++ ++ TRACE("File inode %x:%x, start_block %llx, " ++ "block_list_start %llx, offset %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ inodep->start_block, next_block, ++ next_offset); ++ break; ++ } ++ case SQUASHFS_LREG_TYPE: { ++ unsigned int frag_size; ++ long long frag_blk; ++ struct squashfs_lreg_inode_header *inodep = &id.lreg; ++ struct squashfs_lreg_inode_header *sinodep = &sid.lreg; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_LREG_INODE_HEADER(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ frag_blk = SQUASHFS_INVALID_BLK; ++ if (inodep->fragment != SQUASHFS_INVALID_FRAG && ++ !get_fragment_location(s, ++ inodep->fragment, &frag_blk, &frag_size)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb)) == NULL) ++ goto failed_read1; ++ ++ i->i_nlink = inodep->nlink; ++ i->i_size = inodep->file_size; ++ i->i_fop = &generic_ro_fops; ++ i->i_mode |= S_IFREG; ++ i->i_blocks = ((i->i_size - 1) >> 9) + 1; ++ i->i_blksize = PAGE_CACHE_SIZE; ++ SQUASHFS_I(i)->u.s1.fragment_start_block = frag_blk; ++ SQUASHFS_I(i)->u.s1.fragment_size = frag_size; ++ SQUASHFS_I(i)->u.s1.fragment_offset = inodep->offset; ++ SQUASHFS_I(i)->start_block = inodep->start_block; ++ SQUASHFS_I(i)->u.s1.block_list_start = next_block; ++ SQUASHFS_I(i)->offset = next_offset; ++ if (sblk->block_size > 4096) ++ i->i_data.a_ops = &squashfs_aops; ++ else ++ i->i_data.a_ops = &squashfs_aops_4K; ++ ++ TRACE("File inode %x:%x, start_block %llx, " ++ "block_list_start %llx, offset %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ inodep->start_block, next_block, ++ next_offset); ++ break; ++ } ++ case SQUASHFS_DIR_TYPE: { ++ struct squashfs_dir_inode_header *inodep = &id.dir; ++ struct squashfs_dir_inode_header *sinodep = &sid.dir; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_DIR_INODE_HEADER(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb)) == NULL) ++ goto failed_read1; ++ ++ i->i_nlink = inodep->nlink; ++ i->i_size = inodep->file_size; ++ i->i_op = &squashfs_dir_inode_ops; ++ i->i_fop = &squashfs_dir_ops; ++ i->i_mode |= S_IFDIR; ++ SQUASHFS_I(i)->start_block = inodep->start_block; ++ SQUASHFS_I(i)->offset = inodep->offset; ++ SQUASHFS_I(i)->u.s2.directory_index_count = 0; ++ SQUASHFS_I(i)->u.s2.parent_inode = inodep->parent_inode; ++ ++ TRACE("Directory inode %x:%x, start_block %x, offset " ++ "%x\n", SQUASHFS_INODE_BLK(inode), ++ offset, inodep->start_block, ++ inodep->offset); ++ break; ++ } ++ case SQUASHFS_LDIR_TYPE: { ++ struct squashfs_ldir_inode_header *inodep = &id.ldir; ++ struct squashfs_ldir_inode_header *sinodep = &sid.ldir; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_LDIR_INODE_HEADER(inodep, ++ sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb)) == NULL) ++ goto failed_read1; ++ ++ i->i_nlink = inodep->nlink; ++ i->i_size = inodep->file_size; ++ i->i_op = &squashfs_dir_inode_ops; ++ i->i_fop = &squashfs_dir_ops; ++ i->i_mode |= S_IFDIR; ++ SQUASHFS_I(i)->start_block = inodep->start_block; ++ SQUASHFS_I(i)->offset = inodep->offset; ++ SQUASHFS_I(i)->u.s2.directory_index_start = next_block; ++ SQUASHFS_I(i)->u.s2.directory_index_offset = ++ next_offset; ++ SQUASHFS_I(i)->u.s2.directory_index_count = ++ inodep->i_count; ++ SQUASHFS_I(i)->u.s2.parent_inode = inodep->parent_inode; ++ ++ TRACE("Long directory inode %x:%x, start_block %x, " ++ "offset %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ inodep->start_block, inodep->offset); ++ break; ++ } ++ case SQUASHFS_SYMLINK_TYPE: { ++ struct squashfs_symlink_inode_header *inodep = ++ &id.symlink; ++ struct squashfs_symlink_inode_header *sinodep = ++ &sid.symlink; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_SYMLINK_INODE_HEADER(inodep, ++ sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb)) == NULL) ++ goto failed_read1; ++ ++ i->i_nlink = inodep->nlink; ++ i->i_size = inodep->symlink_size; ++ i->i_op = &page_symlink_inode_operations; ++ i->i_data.a_ops = &squashfs_symlink_aops; ++ i->i_mode |= S_IFLNK; ++ SQUASHFS_I(i)->start_block = next_block; ++ SQUASHFS_I(i)->offset = next_offset; ++ ++ TRACE("Symbolic link inode %x:%x, start_block %llx, " ++ "offset %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ next_block, next_offset); ++ break; ++ } ++ case SQUASHFS_BLKDEV_TYPE: ++ case SQUASHFS_CHRDEV_TYPE: { ++ struct squashfs_dev_inode_header *inodep = &id.dev; ++ struct squashfs_dev_inode_header *sinodep = &sid.dev; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_DEV_INODE_HEADER(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if ((i = squashfs_new_inode(s, inodeb)) == NULL) ++ goto failed_read1; ++ ++ i->i_nlink = inodep->nlink; ++ i->i_mode |= (inodeb->inode_type == ++ SQUASHFS_CHRDEV_TYPE) ? S_IFCHR : ++ S_IFBLK; ++ init_special_inode(i, i->i_mode, ++ old_decode_dev(inodep->rdev)); ++ ++ TRACE("Device inode %x:%x, rdev %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ inodep->rdev); ++ break; ++ } ++ case SQUASHFS_FIFO_TYPE: ++ case SQUASHFS_SOCKET_TYPE: { ++ struct squashfs_ipc_inode_header *inodep = &id.ipc; ++ struct squashfs_ipc_inode_header *sinodep = &sid.ipc; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_IPC_INODE_HEADER(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if ((i = squashfs_new_inode(s, inodeb)) == NULL) ++ goto failed_read1; ++ ++ i->i_nlink = inodep->nlink; ++ i->i_mode |= (inodeb->inode_type == SQUASHFS_FIFO_TYPE) ++ ? S_IFIFO : S_IFSOCK; ++ init_special_inode(i, i->i_mode, 0); ++ break; ++ } ++ default: ++ ERROR("Unknown inode type %d in squashfs_iget!\n", ++ inodeb->inode_type); ++ goto failed_read1; ++ } ++ ++ insert_inode_hash(i); ++ return i; ++ ++failed_read: ++ ERROR("Unable to read inode [%llx:%x]\n", block, offset); ++ ++failed_read1: ++ return NULL; ++} ++ ++ ++static int read_fragment_index_table(struct super_block *s) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ ++ /* Allocate fragment index table */ ++ if (!(msblk->fragment_index = kmalloc(SQUASHFS_FRAGMENT_INDEX_BYTES ++ (sblk->fragments), GFP_KERNEL))) { ++ ERROR("Failed to allocate uid/gid table\n"); ++ return 0; ++ } ++ ++ if (SQUASHFS_FRAGMENT_INDEX_BYTES(sblk->fragments) && ++ !squashfs_read_data(s, (char *) ++ msblk->fragment_index, ++ sblk->fragment_table_start, ++ SQUASHFS_FRAGMENT_INDEX_BYTES ++ (sblk->fragments) | ++ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) { ++ ERROR("unable to read fragment index table\n"); ++ return 0; ++ } ++ ++ if (msblk->swap) { ++ int i; ++ long long fragment; ++ ++ for (i = 0; i < SQUASHFS_FRAGMENT_INDEXES(sblk->fragments); ++ i++) { ++ SQUASHFS_SWAP_FRAGMENT_INDEXES((&fragment), ++ &msblk->fragment_index[i], 1); ++ msblk->fragment_index[i] = fragment; ++ } ++ } ++ ++ return 1; ++} ++ ++ ++static int supported_squashfs_filesystem(struct squashfs_sb_info *msblk, int silent) ++{ ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ ++ msblk->iget = squashfs_iget; ++ msblk->read_blocklist = read_blocklist; ++ msblk->read_fragment_index_table = read_fragment_index_table; ++ ++ if (sblk->s_major == 1) { ++ if (!squashfs_1_0_supported(msblk)) { ++ SERROR("Major/Minor mismatch, Squashfs 1.0 filesystems " ++ "are unsupported\n"); ++ SERROR("Please recompile with " ++ "Squashfs 1.0 support enabled\n"); ++ return 0; ++ } ++ } else if (sblk->s_major == 2) { ++ if (!squashfs_2_0_supported(msblk)) { ++ SERROR("Major/Minor mismatch, Squashfs 2.0 filesystems " ++ "are unsupported\n"); ++ SERROR("Please recompile with " ++ "Squashfs 2.0 support enabled\n"); ++ return 0; ++ } ++ } else if(sblk->s_major != SQUASHFS_MAJOR || sblk->s_minor > ++ SQUASHFS_MINOR) { ++ SERROR("Major/Minor mismatch, trying to mount newer %d.%d " ++ "filesystem\n", sblk->s_major, sblk->s_minor); ++ SERROR("Please update your kernel\n"); ++ return 0; ++ } ++ ++ return 1; ++} ++ ++ ++static int squashfs_fill_super(struct super_block *s, void *data, int silent) ++{ ++ struct squashfs_sb_info *msblk; ++ struct squashfs_super_block *sblk; ++ int i; ++ char b[BDEVNAME_SIZE]; ++ struct inode *root; ++ ++ TRACE("Entered squashfs_read_superblock\n"); ++ ++ if (!(s->s_fs_info = kmalloc(sizeof(struct squashfs_sb_info), ++ GFP_KERNEL))) { ++ ERROR("Failed to allocate superblock\n"); ++ goto failure; ++ } ++ memset(s->s_fs_info, 0, sizeof(struct squashfs_sb_info)); ++ msblk = s->s_fs_info; ++ if (!(msblk->stream.workspace = vmalloc(zlib_inflate_workspacesize()))) { ++ ERROR("Failed to allocate zlib workspace\n"); ++ goto failure; ++ } ++ sblk = &msblk->sblk; ++ ++ msblk->devblksize = sb_min_blocksize(s, BLOCK_SIZE); ++ msblk->devblksize_log2 = ffz(~msblk->devblksize); ++ ++ init_MUTEX(&msblk->read_data_mutex); ++ init_MUTEX(&msblk->read_page_mutex); ++ init_MUTEX(&msblk->block_cache_mutex); ++ init_MUTEX(&msblk->fragment_mutex); ++ init_MUTEX(&msblk->meta_index_mutex); ++ ++ init_waitqueue_head(&msblk->waitq); ++ init_waitqueue_head(&msblk->fragment_wait_queue); ++ ++ if (!squashfs_read_data(s, (char *) sblk, SQUASHFS_START, ++ sizeof(struct squashfs_super_block) | ++ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) { ++ SERROR("unable to read superblock\n"); ++ goto failed_mount; ++ } ++ ++ /* Check it is a SQUASHFS superblock */ ++ msblk->swap = 0; ++ if ((s->s_magic = sblk->s_magic) != SQUASHFS_MAGIC) { ++ if (sblk->s_magic == SQUASHFS_MAGIC_SWAP) { ++ struct squashfs_super_block ssblk; ++ ++ WARNING("Mounting a different endian SQUASHFS " ++ "filesystem on %s\n", bdevname(s->s_bdev, b)); ++ ++ SQUASHFS_SWAP_SUPER_BLOCK(&ssblk, sblk); ++ memcpy(sblk, &ssblk, sizeof(struct squashfs_super_block)); ++ msblk->swap = 1; ++ } else { ++ SERROR("Can't find a SQUASHFS superblock on %s\n", ++ bdevname(s->s_bdev, b)); ++ goto failed_mount; ++ } ++ } ++ ++ /* Check the MAJOR & MINOR versions */ ++ if(!supported_squashfs_filesystem(msblk, silent)) ++ goto failed_mount; ++ ++ TRACE("Found valid superblock on %s\n", bdevname(s->s_bdev, b)); ++ TRACE("Inodes are %scompressed\n", ++ SQUASHFS_UNCOMPRESSED_INODES ++ (sblk->flags) ? "un" : ""); ++ TRACE("Data is %scompressed\n", ++ SQUASHFS_UNCOMPRESSED_DATA(sblk->flags) ++ ? "un" : ""); ++ TRACE("Check data is %s present in the filesystem\n", ++ SQUASHFS_CHECK_DATA(sblk->flags) ? ++ "" : "not"); ++ TRACE("Filesystem size %lld bytes\n", sblk->bytes_used); ++ TRACE("Block size %d\n", sblk->block_size); ++ TRACE("Number of inodes %d\n", sblk->inodes); ++ if (sblk->s_major > 1) ++ TRACE("Number of fragments %d\n", sblk->fragments); ++ TRACE("Number of uids %d\n", sblk->no_uids); ++ TRACE("Number of gids %d\n", sblk->no_guids); ++ TRACE("sblk->inode_table_start %llx\n", sblk->inode_table_start); ++ TRACE("sblk->directory_table_start %llx\n", sblk->directory_table_start); ++ if (sblk->s_major > 1) ++ TRACE("sblk->fragment_table_start %llx\n", ++ sblk->fragment_table_start); ++ TRACE("sblk->uid_start %llx\n", sblk->uid_start); ++ ++ s->s_flags |= MS_RDONLY; ++ s->s_op = &squashfs_ops; ++ ++ /* Init inode_table block pointer array */ ++ if (!(msblk->block_cache = kmalloc(sizeof(struct squashfs_cache) * ++ SQUASHFS_CACHED_BLKS, GFP_KERNEL))) { ++ ERROR("Failed to allocate block cache\n"); ++ goto failed_mount; ++ } ++ ++ for (i = 0; i < SQUASHFS_CACHED_BLKS; i++) ++ msblk->block_cache[i].block = SQUASHFS_INVALID_BLK; ++ ++ msblk->next_cache = 0; ++ ++ /* Allocate read_data block */ ++ msblk->read_size = (sblk->block_size < SQUASHFS_METADATA_SIZE) ? ++ SQUASHFS_METADATA_SIZE : ++ sblk->block_size; ++ ++ if (!(msblk->read_data = kmalloc(msblk->read_size, GFP_KERNEL))) { ++ ERROR("Failed to allocate read_data block\n"); ++ goto failed_mount; ++ } ++ ++ /* Allocate read_page block */ ++ if (!(msblk->read_page = kmalloc(sblk->block_size, GFP_KERNEL))) { ++ ERROR("Failed to allocate read_page block\n"); ++ goto failed_mount; ++ } ++ ++ /* Allocate uid and gid tables */ ++ if (!(msblk->uid = kmalloc((sblk->no_uids + sblk->no_guids) * ++ sizeof(unsigned int), GFP_KERNEL))) { ++ ERROR("Failed to allocate uid/gid table\n"); ++ goto failed_mount; ++ } ++ msblk->guid = msblk->uid + sblk->no_uids; ++ ++ if (msblk->swap) { ++ unsigned int suid[sblk->no_uids + sblk->no_guids]; ++ ++ if (!squashfs_read_data(s, (char *) &suid, sblk->uid_start, ++ ((sblk->no_uids + sblk->no_guids) * ++ sizeof(unsigned int)) | ++ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) { ++ ERROR("unable to read uid/gid table\n"); ++ goto failed_mount; ++ } ++ ++ SQUASHFS_SWAP_DATA(msblk->uid, suid, (sblk->no_uids + ++ sblk->no_guids), (sizeof(unsigned int) * 8)); ++ } else ++ if (!squashfs_read_data(s, (char *) msblk->uid, sblk->uid_start, ++ ((sblk->no_uids + sblk->no_guids) * ++ sizeof(unsigned int)) | ++ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) { ++ ERROR("unable to read uid/gid table\n"); ++ goto failed_mount; ++ } ++ ++ ++ if (sblk->s_major == 1 && squashfs_1_0_supported(msblk)) ++ goto allocate_root; ++ ++ if (!(msblk->fragment = kmalloc(sizeof(struct squashfs_fragment_cache) * ++ SQUASHFS_CACHED_FRAGMENTS, GFP_KERNEL))) { ++ ERROR("Failed to allocate fragment block cache\n"); ++ goto failed_mount; ++ } ++ ++ for (i = 0; i < SQUASHFS_CACHED_FRAGMENTS; i++) { ++ msblk->fragment[i].locked = 0; ++ msblk->fragment[i].block = SQUASHFS_INVALID_BLK; ++ msblk->fragment[i].data = NULL; ++ } ++ ++ msblk->next_fragment = 0; ++ ++ /* Allocate fragment index table */ ++ if (msblk->read_fragment_index_table(s) == 0) ++ goto failed_mount; ++ ++allocate_root: ++ if ((root = (msblk->iget)(s, sblk->root_inode)) == NULL) ++ goto failed_mount; ++ ++ if ((s->s_root = d_alloc_root(root)) == NULL) { ++ ERROR("Root inode create failed\n"); ++ iput(root); ++ goto failed_mount; ++ } ++ ++ TRACE("Leaving squashfs_read_super\n"); ++ return 0; ++ ++failed_mount: ++ kfree(msblk->fragment_index); ++ kfree(msblk->fragment); ++ kfree(msblk->uid); ++ kfree(msblk->read_page); ++ kfree(msblk->read_data); ++ kfree(msblk->block_cache); ++ kfree(msblk->fragment_index_2); ++ vfree(msblk->stream.workspace); ++ kfree(s->s_fs_info); ++ s->s_fs_info = NULL; ++ return -EINVAL; ++ ++failure: ++ return -ENOMEM; ++} ++ ++ ++static int squashfs_statfs(struct dentry *dentry, struct kstatfs *buf) ++{ ++ struct squashfs_sb_info *msblk = dentry->d_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ ++ TRACE("Entered squashfs_statfs\n"); ++ ++ buf->f_type = SQUASHFS_MAGIC; ++ buf->f_bsize = sblk->block_size; ++ buf->f_blocks = ((sblk->bytes_used - 1) >> sblk->block_log) + 1; ++ buf->f_bfree = buf->f_bavail = 0; ++ buf->f_files = sblk->inodes; ++ buf->f_ffree = 0; ++ buf->f_namelen = SQUASHFS_NAME_LEN; ++ ++ return 0; ++} ++ ++ ++static int squashfs_symlink_readpage(struct file *file, struct page *page) ++{ ++ struct inode *inode = page->mapping->host; ++ int index = page->index << PAGE_CACHE_SHIFT, length, bytes; ++ long long block = SQUASHFS_I(inode)->start_block; ++ int offset = SQUASHFS_I(inode)->offset; ++ void *pageaddr = kmap(page); ++ ++ TRACE("Entered squashfs_symlink_readpage, page index %ld, start block " ++ "%llx, offset %x\n", page->index, ++ SQUASHFS_I(inode)->start_block, ++ SQUASHFS_I(inode)->offset); ++ ++ for (length = 0; length < index; length += bytes) { ++ if (!(bytes = squashfs_get_cached_block(inode->i_sb, NULL, ++ block, offset, PAGE_CACHE_SIZE, &block, ++ &offset))) { ++ ERROR("Unable to read symbolic link [%llx:%x]\n", block, ++ offset); ++ goto skip_read; ++ } ++ } ++ ++ if (length != index) { ++ ERROR("(squashfs_symlink_readpage) length != index\n"); ++ bytes = 0; ++ goto skip_read; ++ } ++ ++ bytes = (i_size_read(inode) - length) > PAGE_CACHE_SIZE ? PAGE_CACHE_SIZE : ++ i_size_read(inode) - length; ++ ++ if (!(bytes = squashfs_get_cached_block(inode->i_sb, pageaddr, block, ++ offset, bytes, &block, &offset))) ++ ERROR("Unable to read symbolic link [%llx:%x]\n", block, offset); ++ ++skip_read: ++ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes); ++ kunmap(page); ++ SetPageUptodate(page); ++ unlock_page(page); ++ ++ return 0; ++} ++ ++ ++struct meta_index *locate_meta_index(struct inode *inode, int index, int offset) ++{ ++ struct meta_index *meta = NULL; ++ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; ++ int i; ++ ++ down(&msblk->meta_index_mutex); ++ ++ TRACE("locate_meta_index: index %d, offset %d\n", index, offset); ++ ++ if(msblk->meta_index == NULL) ++ goto not_allocated; ++ ++ for (i = 0; i < SQUASHFS_META_NUMBER; i ++) ++ if (msblk->meta_index[i].inode_number == inode->i_ino && ++ msblk->meta_index[i].offset >= offset && ++ msblk->meta_index[i].offset <= index && ++ msblk->meta_index[i].locked == 0) { ++ TRACE("locate_meta_index: entry %d, offset %d\n", i, ++ msblk->meta_index[i].offset); ++ meta = &msblk->meta_index[i]; ++ offset = meta->offset; ++ } ++ ++ if (meta) ++ meta->locked = 1; ++ ++not_allocated: ++ up(&msblk->meta_index_mutex); ++ ++ return meta; ++} ++ ++ ++struct meta_index *empty_meta_index(struct inode *inode, int offset, int skip) ++{ ++ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; ++ struct meta_index *meta = NULL; ++ int i; ++ ++ down(&msblk->meta_index_mutex); ++ ++ TRACE("empty_meta_index: offset %d, skip %d\n", offset, skip); ++ ++ if(msblk->meta_index == NULL) { ++ if (!(msblk->meta_index = kmalloc(sizeof(struct meta_index) * ++ SQUASHFS_META_NUMBER, GFP_KERNEL))) { ++ ERROR("Failed to allocate meta_index\n"); ++ goto failed; ++ } ++ for(i = 0; i < SQUASHFS_META_NUMBER; i++) { ++ msblk->meta_index[i].inode_number = 0; ++ msblk->meta_index[i].locked = 0; ++ } ++ msblk->next_meta_index = 0; ++ } ++ ++ for(i = SQUASHFS_META_NUMBER; i && ++ msblk->meta_index[msblk->next_meta_index].locked; i --) ++ msblk->next_meta_index = (msblk->next_meta_index + 1) % ++ SQUASHFS_META_NUMBER; ++ ++ if(i == 0) { ++ TRACE("empty_meta_index: failed!\n"); ++ goto failed; ++ } ++ ++ TRACE("empty_meta_index: returned meta entry %d, %p\n", ++ msblk->next_meta_index, ++ &msblk->meta_index[msblk->next_meta_index]); ++ ++ meta = &msblk->meta_index[msblk->next_meta_index]; ++ msblk->next_meta_index = (msblk->next_meta_index + 1) % ++ SQUASHFS_META_NUMBER; ++ ++ meta->inode_number = inode->i_ino; ++ meta->offset = offset; ++ meta->skip = skip; ++ meta->entries = 0; ++ meta->locked = 1; ++ ++failed: ++ up(&msblk->meta_index_mutex); ++ return meta; ++} ++ ++ ++void release_meta_index(struct inode *inode, struct meta_index *meta) ++{ ++ meta->locked = 0; ++} ++ ++ ++static int read_block_index(struct super_block *s, int blocks, char *block_list, ++ long long *start_block, int *offset) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ unsigned int *block_listp; ++ int block = 0; ++ ++ if (msblk->swap) { ++ char sblock_list[blocks << 2]; ++ ++ if (!squashfs_get_cached_block(s, sblock_list, *start_block, ++ *offset, blocks << 2, start_block, offset)) { ++ ERROR("Unable to read block list [%llx:%x]\n", ++ *start_block, *offset); ++ goto failure; ++ } ++ SQUASHFS_SWAP_INTS(((unsigned int *)block_list), ++ ((unsigned int *)sblock_list), blocks); ++ } else ++ if (!squashfs_get_cached_block(s, block_list, *start_block, ++ *offset, blocks << 2, start_block, offset)) { ++ ERROR("Unable to read block list [%llx:%x]\n", ++ *start_block, *offset); ++ goto failure; ++ } ++ ++ for (block_listp = (unsigned int *) block_list; blocks; ++ block_listp++, blocks --) ++ block += SQUASHFS_COMPRESSED_SIZE_BLOCK(*block_listp); ++ ++ return block; ++ ++failure: ++ return -1; ++} ++ ++ ++#define SIZE 256 ++ ++static inline int calculate_skip(int blocks) { ++ int skip = (blocks - 1) / ((SQUASHFS_SLOTS * SQUASHFS_META_ENTRIES + 1) * SQUASHFS_META_INDEXES); ++ return skip >= 7 ? 7 : skip + 1; ++} ++ ++ ++static int get_meta_index(struct inode *inode, int index, ++ long long *index_block, int *index_offset, ++ long long *data_block, char *block_list) ++{ ++ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ int skip = calculate_skip(i_size_read(inode) >> sblk->block_log); ++ int offset = 0; ++ struct meta_index *meta; ++ struct meta_entry *meta_entry; ++ long long cur_index_block = SQUASHFS_I(inode)->u.s1.block_list_start; ++ int cur_offset = SQUASHFS_I(inode)->offset; ++ long long cur_data_block = SQUASHFS_I(inode)->start_block; ++ int i; ++ ++ index /= SQUASHFS_META_INDEXES * skip; ++ ++ while ( offset < index ) { ++ meta = locate_meta_index(inode, index, offset + 1); ++ ++ if (meta == NULL) { ++ if ((meta = empty_meta_index(inode, offset + 1, ++ skip)) == NULL) ++ goto all_done; ++ } else { ++ offset = index < meta->offset + meta->entries ? index : ++ meta->offset + meta->entries - 1; ++ meta_entry = &meta->meta_entry[offset - meta->offset]; ++ cur_index_block = meta_entry->index_block + sblk->inode_table_start; ++ cur_offset = meta_entry->offset; ++ cur_data_block = meta_entry->data_block; ++ TRACE("get_meta_index: offset %d, meta->offset %d, " ++ "meta->entries %d\n", offset, meta->offset, ++ meta->entries); ++ TRACE("get_meta_index: index_block 0x%llx, offset 0x%x" ++ " data_block 0x%llx\n", cur_index_block, ++ cur_offset, cur_data_block); ++ } ++ ++ for (i = meta->offset + meta->entries; i <= index && ++ i < meta->offset + SQUASHFS_META_ENTRIES; i++) { ++ int blocks = skip * SQUASHFS_META_INDEXES; ++ ++ while (blocks) { ++ int block = blocks > (SIZE >> 2) ? (SIZE >> 2) : ++ blocks; ++ int res = read_block_index(inode->i_sb, block, ++ block_list, &cur_index_block, ++ &cur_offset); ++ ++ if (res == -1) ++ goto failed; ++ ++ cur_data_block += res; ++ blocks -= block; ++ } ++ ++ meta_entry = &meta->meta_entry[i - meta->offset]; ++ meta_entry->index_block = cur_index_block - sblk->inode_table_start; ++ meta_entry->offset = cur_offset; ++ meta_entry->data_block = cur_data_block; ++ meta->entries ++; ++ offset ++; ++ } ++ ++ TRACE("get_meta_index: meta->offset %d, meta->entries %d\n", ++ meta->offset, meta->entries); ++ ++ release_meta_index(inode, meta); ++ } ++ ++all_done: ++ *index_block = cur_index_block; ++ *index_offset = cur_offset; ++ *data_block = cur_data_block; ++ ++ return offset * SQUASHFS_META_INDEXES * skip; ++ ++failed: ++ release_meta_index(inode, meta); ++ return -1; ++} ++ ++ ++static long long read_blocklist(struct inode *inode, int index, ++ int readahead_blks, char *block_list, ++ unsigned short **block_p, unsigned int *bsize) ++{ ++ long long block_ptr; ++ int offset; ++ long long block; ++ int res = get_meta_index(inode, index, &block_ptr, &offset, &block, ++ block_list); ++ ++ TRACE("read_blocklist: res %d, index %d, block_ptr 0x%llx, offset" ++ " 0x%x, block 0x%llx\n", res, index, block_ptr, offset, ++ block); ++ ++ if(res == -1) ++ goto failure; ++ ++ index -= res; ++ ++ while ( index ) { ++ int blocks = index > (SIZE >> 2) ? (SIZE >> 2) : index; ++ int res = read_block_index(inode->i_sb, blocks, block_list, ++ &block_ptr, &offset); ++ if (res == -1) ++ goto failure; ++ block += res; ++ index -= blocks; ++ } ++ ++ if (read_block_index(inode->i_sb, 1, block_list, ++ &block_ptr, &offset) == -1) ++ goto failure; ++ *bsize = *((unsigned int *) block_list); ++ ++ return block; ++ ++failure: ++ return 0; ++} ++ ++ ++static int squashfs_readpage(struct file *file, struct page *page) ++{ ++ struct inode *inode = page->mapping->host; ++ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ unsigned char *block_list; ++ long long block; ++ unsigned int bsize, i = 0, bytes = 0, byte_offset = 0; ++ int index = page->index >> (sblk->block_log - PAGE_CACHE_SHIFT); ++ void *pageaddr; ++ struct squashfs_fragment_cache *fragment = NULL; ++ char *data_ptr = msblk->read_page; ++ ++ int mask = (1 << (sblk->block_log - PAGE_CACHE_SHIFT)) - 1; ++ int start_index = page->index & ~mask; ++ int end_index = start_index | mask; ++ ++ TRACE("Entered squashfs_readpage, page index %lx, start block %llx\n", ++ page->index, ++ SQUASHFS_I(inode)->start_block); ++ ++ if (!(block_list = kmalloc(SIZE, GFP_KERNEL))) { ++ ERROR("Failed to allocate block_list\n"); ++ goto skip_read; ++ } ++ ++ if (page->index >= ((i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> ++ PAGE_CACHE_SHIFT)) ++ goto skip_read; ++ ++ if (SQUASHFS_I(inode)->u.s1.fragment_start_block == SQUASHFS_INVALID_BLK ++ || index < (i_size_read(inode) >> ++ sblk->block_log)) { ++ if ((block = (msblk->read_blocklist)(inode, index, 1, ++ block_list, NULL, &bsize)) == 0) ++ goto skip_read; ++ ++ down(&msblk->read_page_mutex); ++ ++ if (!(bytes = squashfs_read_data(inode->i_sb, msblk->read_page, ++ block, bsize, NULL))) { ++ ERROR("Unable to read page, block %llx, size %x\n", block, ++ bsize); ++ up(&msblk->read_page_mutex); ++ goto skip_read; ++ } ++ } else { ++ if ((fragment = get_cached_fragment(inode->i_sb, ++ SQUASHFS_I(inode)-> ++ u.s1.fragment_start_block, ++ SQUASHFS_I(inode)->u.s1.fragment_size)) ++ == NULL) { ++ ERROR("Unable to read page, block %llx, size %x\n", ++ SQUASHFS_I(inode)-> ++ u.s1.fragment_start_block, ++ (int) SQUASHFS_I(inode)-> ++ u.s1.fragment_size); ++ goto skip_read; ++ } ++ bytes = SQUASHFS_I(inode)->u.s1.fragment_offset + ++ (i_size_read(inode) & (sblk->block_size ++ - 1)); ++ byte_offset = SQUASHFS_I(inode)->u.s1.fragment_offset; ++ data_ptr = fragment->data; ++ } ++ ++ for (i = start_index; i <= end_index && byte_offset < bytes; ++ i++, byte_offset += PAGE_CACHE_SIZE) { ++ struct page *push_page; ++ int available_bytes = (bytes - byte_offset) > PAGE_CACHE_SIZE ? ++ PAGE_CACHE_SIZE : bytes - byte_offset; ++ ++ TRACE("bytes %d, i %d, byte_offset %d, available_bytes %d\n", ++ bytes, i, byte_offset, available_bytes); ++ ++ if (i == page->index) { ++ pageaddr = kmap_atomic(page, KM_USER0); ++ memcpy(pageaddr, data_ptr + byte_offset, ++ available_bytes); ++ memset(pageaddr + available_bytes, 0, ++ PAGE_CACHE_SIZE - available_bytes); ++ kunmap_atomic(pageaddr, KM_USER0); ++ flush_dcache_page(page); ++ SetPageUptodate(page); ++ unlock_page(page); ++ } else if ((push_page = ++ grab_cache_page_nowait(page->mapping, i))) { ++ pageaddr = kmap_atomic(push_page, KM_USER0); ++ ++ memcpy(pageaddr, data_ptr + byte_offset, ++ available_bytes); ++ memset(pageaddr + available_bytes, 0, ++ PAGE_CACHE_SIZE - available_bytes); ++ kunmap_atomic(pageaddr, KM_USER0); ++ flush_dcache_page(push_page); ++ SetPageUptodate(push_page); ++ unlock_page(push_page); ++ page_cache_release(push_page); ++ } ++ } ++ ++ if (SQUASHFS_I(inode)->u.s1.fragment_start_block == SQUASHFS_INVALID_BLK ++ || index < (i_size_read(inode) >> ++ sblk->block_log)) ++ up(&msblk->read_page_mutex); ++ else ++ release_cached_fragment(msblk, fragment); ++ ++ kfree(block_list); ++ return 0; ++ ++skip_read: ++ pageaddr = kmap_atomic(page, KM_USER0); ++ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes); ++ kunmap_atomic(pageaddr, KM_USER0); ++ flush_dcache_page(page); ++ SetPageUptodate(page); ++ unlock_page(page); ++ ++ kfree(block_list); ++ return 0; ++} ++ ++ ++static int squashfs_readpage4K(struct file *file, struct page *page) ++{ ++ struct inode *inode = page->mapping->host; ++ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ unsigned char *block_list; ++ long long block; ++ unsigned int bsize, bytes = 0; ++ void *pageaddr; ++ ++ TRACE("Entered squashfs_readpage4K, page index %lx, start block %llx\n", ++ page->index, ++ SQUASHFS_I(inode)->start_block); ++ ++ if (page->index >= ((i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> ++ PAGE_CACHE_SHIFT)) { ++ pageaddr = kmap_atomic(page, KM_USER0); ++ block_list = NULL; ++ goto skip_read; ++ } ++ ++ if (!(block_list = kmalloc(SIZE, GFP_KERNEL))) { ++ ERROR("Failed to allocate block_list\n"); ++ pageaddr = kmap_atomic(page, KM_USER0); ++ block_list = NULL; ++ goto skip_read; ++ } ++ ++ if (SQUASHFS_I(inode)->u.s1.fragment_start_block == SQUASHFS_INVALID_BLK ++ || page->index < (i_size_read(inode) >> ++ sblk->block_log)) { ++ block = (msblk->read_blocklist)(inode, page->index, 1, ++ block_list, NULL, &bsize); ++ ++ down(&msblk->read_page_mutex); ++ bytes = squashfs_read_data(inode->i_sb, msblk->read_page, block, ++ bsize, NULL); ++ pageaddr = kmap_atomic(page, KM_USER0); ++ if (bytes) ++ memcpy(pageaddr, msblk->read_page, bytes); ++ else ++ ERROR("Unable to read page, block %llx, size %x\n", ++ block, bsize); ++ up(&msblk->read_page_mutex); ++ } else { ++ struct squashfs_fragment_cache *fragment = ++ get_cached_fragment(inode->i_sb, ++ SQUASHFS_I(inode)-> ++ u.s1.fragment_start_block, ++ SQUASHFS_I(inode)-> u.s1.fragment_size); ++ pageaddr = kmap_atomic(page, KM_USER0); ++ if (fragment) { ++ bytes = i_size_read(inode) & (sblk->block_size - 1); ++ memcpy(pageaddr, fragment->data + SQUASHFS_I(inode)-> ++ u.s1.fragment_offset, bytes); ++ release_cached_fragment(msblk, fragment); ++ } else ++ ERROR("Unable to read page, block %llx, size %x\n", ++ SQUASHFS_I(inode)-> ++ u.s1.fragment_start_block, (int) ++ SQUASHFS_I(inode)-> u.s1.fragment_size); ++ } ++ ++skip_read: ++ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes); ++ kunmap_atomic(pageaddr, KM_USER0); ++ flush_dcache_page(page); ++ SetPageUptodate(page); ++ unlock_page(page); ++ ++ kfree(block_list); ++ return 0; ++} ++ ++ ++static int get_dir_index_using_offset(struct super_block *s, long long ++ *next_block, unsigned int *next_offset, ++ long long index_start, ++ unsigned int index_offset, int i_count, ++ long long f_pos) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ int i, length = 0; ++ struct squashfs_dir_index index; ++ ++ TRACE("Entered get_dir_index_using_offset, i_count %d, f_pos %d\n", ++ i_count, (unsigned int) f_pos); ++ ++ f_pos =- 3; ++ if (f_pos == 0) ++ goto finish; ++ ++ for (i = 0; i < i_count; i++) { ++ if (msblk->swap) { ++ struct squashfs_dir_index sindex; ++ squashfs_get_cached_block(s, (char *) &sindex, ++ index_start, index_offset, ++ sizeof(sindex), &index_start, ++ &index_offset); ++ SQUASHFS_SWAP_DIR_INDEX(&index, &sindex); ++ } else ++ squashfs_get_cached_block(s, (char *) &index, ++ index_start, index_offset, ++ sizeof(index), &index_start, ++ &index_offset); ++ ++ if (index.index > f_pos) ++ break; ++ ++ squashfs_get_cached_block(s, NULL, index_start, index_offset, ++ index.size + 1, &index_start, ++ &index_offset); ++ ++ length = index.index; ++ *next_block = index.start_block + sblk->directory_table_start; ++ } ++ ++ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE; ++ ++finish: ++ return length + 3; ++} ++ ++ ++static int get_dir_index_using_name(struct super_block *s, long long ++ *next_block, unsigned int *next_offset, ++ long long index_start, ++ unsigned int index_offset, int i_count, ++ const char *name, int size) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ int i, length = 0; ++ struct squashfs_dir_index *index; ++ char *str; ++ ++ TRACE("Entered get_dir_index_using_name, i_count %d\n", i_count); ++ ++ if (!(str = kmalloc(sizeof(struct squashfs_dir_index) + ++ (SQUASHFS_NAME_LEN + 1) * 2, GFP_KERNEL))) { ++ ERROR("Failed to allocate squashfs_dir_index\n"); ++ goto failure; ++ } ++ ++ index = (struct squashfs_dir_index *) (str + SQUASHFS_NAME_LEN + 1); ++ strncpy(str, name, size); ++ str[size] = '\0'; ++ ++ for (i = 0; i < i_count; i++) { ++ if (msblk->swap) { ++ struct squashfs_dir_index sindex; ++ squashfs_get_cached_block(s, (char *) &sindex, ++ index_start, index_offset, ++ sizeof(sindex), &index_start, ++ &index_offset); ++ SQUASHFS_SWAP_DIR_INDEX(index, &sindex); ++ } else ++ squashfs_get_cached_block(s, (char *) index, ++ index_start, index_offset, ++ sizeof(struct squashfs_dir_index), ++ &index_start, &index_offset); ++ ++ squashfs_get_cached_block(s, index->name, index_start, ++ index_offset, index->size + 1, ++ &index_start, &index_offset); ++ ++ index->name[index->size + 1] = '\0'; ++ ++ if (strcmp(index->name, str) > 0) ++ break; ++ ++ length = index->index; ++ *next_block = index->start_block + sblk->directory_table_start; ++ } ++ ++ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE; ++ kfree(str); ++failure: ++ return length + 3; ++} ++ ++ ++static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir) ++{ ++ struct inode *i = file->f_dentry->d_inode; ++ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ long long next_block = SQUASHFS_I(i)->start_block + ++ sblk->directory_table_start; ++ int next_offset = SQUASHFS_I(i)->offset, length = 0, ++ dir_count; ++ struct squashfs_dir_header dirh; ++ struct squashfs_dir_entry *dire; ++ ++ TRACE("Entered squashfs_readdir [%llx:%x]\n", next_block, next_offset); ++ ++ if (!(dire = kmalloc(sizeof(struct squashfs_dir_entry) + ++ SQUASHFS_NAME_LEN + 1, GFP_KERNEL))) { ++ ERROR("Failed to allocate squashfs_dir_entry\n"); ++ goto finish; ++ } ++ ++ while(file->f_pos < 3) { ++ char *name; ++ int size, i_ino; ++ ++ if(file->f_pos == 0) { ++ name = "."; ++ size = 1; ++ i_ino = i->i_ino; ++ } else { ++ name = ".."; ++ size = 2; ++ i_ino = SQUASHFS_I(i)->u.s2.parent_inode; ++ } ++ TRACE("Calling filldir(%x, %s, %d, %d, %d, %d)\n", ++ (unsigned int) dirent, name, size, (int) ++ file->f_pos, i_ino, ++ squashfs_filetype_table[1]); ++ ++ if (filldir(dirent, name, size, ++ file->f_pos, i_ino, ++ squashfs_filetype_table[1]) < 0) { ++ TRACE("Filldir returned less than 0\n"); ++ goto finish; ++ } ++ file->f_pos += size; ++ } ++ ++ length = get_dir_index_using_offset(i->i_sb, &next_block, &next_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_start, ++ SQUASHFS_I(i)->u.s2.directory_index_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_count, ++ file->f_pos); ++ ++ while (length < i_size_read(i)) { ++ /* read directory header */ ++ if (msblk->swap) { ++ struct squashfs_dir_header sdirh; ++ ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh, ++ next_block, next_offset, sizeof(sdirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdirh); ++ SQUASHFS_SWAP_DIR_HEADER(&dirh, &sdirh); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh, ++ next_block, next_offset, sizeof(dirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(dirh); ++ } ++ ++ dir_count = dirh.count + 1; ++ while (dir_count--) { ++ if (msblk->swap) { ++ struct squashfs_dir_entry sdire; ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ &sdire, next_block, next_offset, ++ sizeof(sdire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdire); ++ SQUASHFS_SWAP_DIR_ENTRY(dire, &sdire); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ dire, next_block, next_offset, ++ sizeof(*dire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(*dire); ++ } ++ ++ if (!squashfs_get_cached_block(i->i_sb, dire->name, ++ next_block, next_offset, ++ dire->size + 1, &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += dire->size + 1; ++ ++ if (file->f_pos >= length) ++ continue; ++ ++ dire->name[dire->size + 1] = '\0'; ++ ++ TRACE("Calling filldir(%x, %s, %d, %d, %x:%x, %d, %d)\n", ++ (unsigned int) dirent, dire->name, ++ dire->size + 1, (int) file->f_pos, ++ dirh.start_block, dire->offset, ++ dirh.inode_number + dire->inode_number, ++ squashfs_filetype_table[dire->type]); ++ ++ if (filldir(dirent, dire->name, dire->size + 1, ++ file->f_pos, ++ dirh.inode_number + dire->inode_number, ++ squashfs_filetype_table[dire->type]) ++ < 0) { ++ TRACE("Filldir returned less than 0\n"); ++ goto finish; ++ } ++ file->f_pos = length; ++ } ++ } ++ ++finish: ++ kfree(dire); ++ return 0; ++ ++failed_read: ++ ERROR("Unable to read directory block [%llx:%x]\n", next_block, ++ next_offset); ++ return 0; ++} ++ ++ ++static struct dentry *squashfs_lookup(struct inode *i, struct dentry *dentry, ++ struct nameidata *nd) ++{ ++ const unsigned char *name = dentry->d_name.name; ++ int len = dentry->d_name.len; ++ struct inode *inode = NULL; ++ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ long long next_block = SQUASHFS_I(i)->start_block + ++ sblk->directory_table_start; ++ int next_offset = SQUASHFS_I(i)->offset, length = 0, ++ dir_count; ++ struct squashfs_dir_header dirh; ++ struct squashfs_dir_entry *dire; ++ ++ TRACE("Entered squashfs_lookup [%llx:%x]\n", next_block, next_offset); ++ ++ if (!(dire = kmalloc(sizeof(struct squashfs_dir_entry) + ++ SQUASHFS_NAME_LEN + 1, GFP_KERNEL))) { ++ ERROR("Failed to allocate squashfs_dir_entry\n"); ++ goto exit_loop; ++ } ++ ++ if (len > SQUASHFS_NAME_LEN) ++ goto exit_loop; ++ ++ length = get_dir_index_using_name(i->i_sb, &next_block, &next_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_start, ++ SQUASHFS_I(i)->u.s2.directory_index_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_count, name, ++ len); ++ ++ while (length < i_size_read(i)) { ++ /* read directory header */ ++ if (msblk->swap) { ++ struct squashfs_dir_header sdirh; ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh, ++ next_block, next_offset, sizeof(sdirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdirh); ++ SQUASHFS_SWAP_DIR_HEADER(&dirh, &sdirh); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh, ++ next_block, next_offset, sizeof(dirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(dirh); ++ } ++ ++ dir_count = dirh.count + 1; ++ while (dir_count--) { ++ if (msblk->swap) { ++ struct squashfs_dir_entry sdire; ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ &sdire, next_block,next_offset, ++ sizeof(sdire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdire); ++ SQUASHFS_SWAP_DIR_ENTRY(dire, &sdire); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ dire, next_block,next_offset, ++ sizeof(*dire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(*dire); ++ } ++ ++ if (!squashfs_get_cached_block(i->i_sb, dire->name, ++ next_block, next_offset, dire->size + 1, ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += dire->size + 1; ++ ++ if (name[0] < dire->name[0]) ++ goto exit_loop; ++ ++ if ((len == dire->size + 1) && !strncmp(name, ++ dire->name, len)) { ++ squashfs_inode_t ino = ++ SQUASHFS_MKINODE(dirh.start_block, ++ dire->offset); ++ ++ TRACE("calling squashfs_iget for directory " ++ "entry %s, inode %x:%x, %d\n", name, ++ dirh.start_block, dire->offset, ++ dirh.inode_number + dire->inode_number); ++ ++ inode = (msblk->iget)(i->i_sb, ino); ++ ++ goto exit_loop; ++ } ++ } ++ } ++ ++exit_loop: ++ kfree(dire); ++ d_add(dentry, inode); ++ return ERR_PTR(0); ++ ++failed_read: ++ ERROR("Unable to read directory block [%llx:%x]\n", next_block, ++ next_offset); ++ goto exit_loop; ++} ++ ++ ++static void squashfs_put_super(struct super_block *s) ++{ ++ int i; ++ ++ if (s->s_fs_info) { ++ struct squashfs_sb_info *sbi = s->s_fs_info; ++ if (sbi->block_cache) ++ for (i = 0; i < SQUASHFS_CACHED_BLKS; i++) ++ if (sbi->block_cache[i].block != ++ SQUASHFS_INVALID_BLK) ++ kfree(sbi->block_cache[i].data); ++ if (sbi->fragment) ++ for (i = 0; i < SQUASHFS_CACHED_FRAGMENTS; i++) ++ SQUASHFS_FREE(sbi->fragment[i].data); ++ kfree(sbi->fragment); ++ kfree(sbi->block_cache); ++ kfree(sbi->read_data); ++ kfree(sbi->read_page); ++ kfree(sbi->uid); ++ kfree(sbi->fragment_index); ++ kfree(sbi->fragment_index_2); ++ kfree(sbi->meta_index); ++ vfree(sbi->stream.workspace); ++ kfree(s->s_fs_info); ++ s->s_fs_info = NULL; ++ } ++} ++ ++ ++static int squashfs_get_sb(struct file_system_type *fs_type, int flags, ++ const char *dev_name, void *data, ++ struct vfsmount *mnt) ++{ ++ return get_sb_bdev(fs_type, flags, dev_name, data, squashfs_fill_super, ++ mnt); ++} ++ ++ ++static int __init init_squashfs_fs(void) ++{ ++ int err = init_inodecache(); ++ if (err) ++ goto out; ++ ++ printk(KERN_INFO "squashfs: version 3.1 (2006/08/19) " ++ "Phillip Lougher\n"); ++ ++ if ((err = register_filesystem(&squashfs_fs_type))) ++ destroy_inodecache(); ++ ++out: ++ return err; ++} ++ ++ ++static void __exit exit_squashfs_fs(void) ++{ ++ unregister_filesystem(&squashfs_fs_type); ++ destroy_inodecache(); ++} ++ ++ ++static kmem_cache_t * squashfs_inode_cachep; ++ ++ ++static struct inode *squashfs_alloc_inode(struct super_block *sb) ++{ ++ struct squashfs_inode_info *ei; ++ ei = kmem_cache_alloc(squashfs_inode_cachep, SLAB_KERNEL); ++ if (!ei) ++ return NULL; ++ return &ei->vfs_inode; ++} ++ ++ ++static void squashfs_destroy_inode(struct inode *inode) ++{ ++ kmem_cache_free(squashfs_inode_cachep, SQUASHFS_I(inode)); ++} ++ ++ ++static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags) ++{ ++ struct squashfs_inode_info *ei = foo; ++ ++ if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == ++ SLAB_CTOR_CONSTRUCTOR) ++ inode_init_once(&ei->vfs_inode); ++} ++ ++ ++static int __init init_inodecache(void) ++{ ++ squashfs_inode_cachep = kmem_cache_create("squashfs_inode_cache", ++ sizeof(struct squashfs_inode_info), ++ 0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT, ++ init_once, NULL); ++ if (squashfs_inode_cachep == NULL) ++ return -ENOMEM; ++ return 0; ++} ++ ++ ++static void destroy_inodecache(void) ++{ ++ if (kmem_cache_destroy(squashfs_inode_cachep)) ++ printk(KERN_INFO "squashfs_inode_cache: not all structures " ++ "were freed\n"); ++} ++ ++ ++module_init(init_squashfs_fs); ++module_exit(exit_squashfs_fs); ++MODULE_DESCRIPTION("squashfs 3.1, a compressed read-only filesystem"); ++MODULE_AUTHOR("Phillip Lougher <phillip@lougher.org.uk>"); ++MODULE_LICENSE("GPL"); +diff --new-file -urp linux-2.6.18/fs/squashfs/Makefile linux-2.6.18-squashfs3.1/fs/squashfs/Makefile +--- linux-2.6.18/fs/squashfs/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/fs/squashfs/Makefile 2006-08-21 00:13:12.000000000 +0100 +@@ -0,0 +1,7 @@ ++# ++# Makefile for the linux squashfs routines. ++# ++ ++obj-$(CONFIG_SQUASHFS) += squashfs.o ++squashfs-y += inode.o ++squashfs-y += squashfs2_0.o +diff --new-file -urp linux-2.6.18/fs/squashfs/squashfs2_0.c linux-2.6.18-squashfs3.1/fs/squashfs/squashfs2_0.c +--- linux-2.6.18/fs/squashfs/squashfs2_0.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/fs/squashfs/squashfs2_0.c 2006-08-21 00:14:55.000000000 +0100 +@@ -0,0 +1,779 @@ ++/* ++ * Squashfs - a compressed read only filesystem for Linux ++ * ++ * Copyright (c) 2002, 2003, 2004, 2005, 2006 ++ * Phillip Lougher <phillip@lougher.org.uk> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2, ++ * or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * squashfs2_0.c ++ */ ++ ++#include <linux/types.h> ++#include <linux/squashfs_fs.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/slab.h> ++#include <linux/zlib.h> ++#include <linux/fs.h> ++#include <linux/smp_lock.h> ++#include <linux/slab.h> ++#include <linux/squashfs_fs_sb.h> ++#include <linux/squashfs_fs_i.h> ++#include <linux/buffer_head.h> ++#include <linux/vfs.h> ++#include <linux/init.h> ++#include <linux/dcache.h> ++#include <linux/wait.h> ++#include <linux/zlib.h> ++#include <linux/blkdev.h> ++#include <linux/vmalloc.h> ++#include <asm/uaccess.h> ++#include <asm/semaphore.h> ++ ++#include "squashfs.h" ++static int squashfs_readdir_2(struct file *file, void *dirent, filldir_t filldir); ++static struct dentry *squashfs_lookup_2(struct inode *, struct dentry *, ++ struct nameidata *); ++ ++static struct file_operations squashfs_dir_ops_2 = { ++ .read = generic_read_dir, ++ .readdir = squashfs_readdir_2 ++}; ++ ++static struct inode_operations squashfs_dir_inode_ops_2 = { ++ .lookup = squashfs_lookup_2 ++}; ++ ++static unsigned char squashfs_filetype_table[] = { ++ DT_UNKNOWN, DT_DIR, DT_REG, DT_LNK, DT_BLK, DT_CHR, DT_FIFO, DT_SOCK ++}; ++ ++static int read_fragment_index_table_2(struct super_block *s) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ ++ if (!(msblk->fragment_index_2 = kmalloc(SQUASHFS_FRAGMENT_INDEX_BYTES_2 ++ (sblk->fragments), GFP_KERNEL))) { ++ ERROR("Failed to allocate uid/gid table\n"); ++ return 0; ++ } ++ ++ if (SQUASHFS_FRAGMENT_INDEX_BYTES_2(sblk->fragments) && ++ !squashfs_read_data(s, (char *) ++ msblk->fragment_index_2, ++ sblk->fragment_table_start, ++ SQUASHFS_FRAGMENT_INDEX_BYTES_2 ++ (sblk->fragments) | ++ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) { ++ ERROR("unable to read fragment index table\n"); ++ return 0; ++ } ++ ++ if (msblk->swap) { ++ int i; ++ unsigned int fragment; ++ ++ for (i = 0; i < SQUASHFS_FRAGMENT_INDEXES_2(sblk->fragments); ++ i++) { ++ SQUASHFS_SWAP_FRAGMENT_INDEXES_2((&fragment), ++ &msblk->fragment_index_2[i], 1); ++ msblk->fragment_index_2[i] = fragment; ++ } ++ } ++ ++ return 1; ++} ++ ++ ++static int get_fragment_location_2(struct super_block *s, unsigned int fragment, ++ long long *fragment_start_block, ++ unsigned int *fragment_size) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ long long start_block = ++ msblk->fragment_index_2[SQUASHFS_FRAGMENT_INDEX_2(fragment)]; ++ int offset = SQUASHFS_FRAGMENT_INDEX_OFFSET_2(fragment); ++ struct squashfs_fragment_entry_2 fragment_entry; ++ ++ if (msblk->swap) { ++ struct squashfs_fragment_entry_2 sfragment_entry; ++ ++ if (!squashfs_get_cached_block(s, (char *) &sfragment_entry, ++ start_block, offset, ++ sizeof(sfragment_entry), &start_block, ++ &offset)) ++ goto out; ++ SQUASHFS_SWAP_FRAGMENT_ENTRY_2(&fragment_entry, &sfragment_entry); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) &fragment_entry, ++ start_block, offset, ++ sizeof(fragment_entry), &start_block, ++ &offset)) ++ goto out; ++ ++ *fragment_start_block = fragment_entry.start_block; ++ *fragment_size = fragment_entry.size; ++ ++ return 1; ++ ++out: ++ return 0; ++} ++ ++ ++static struct inode *squashfs_new_inode(struct super_block *s, ++ struct squashfs_base_inode_header_2 *inodeb, unsigned int ino) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ struct inode *i = new_inode(s); ++ ++ if (i) { ++ i->i_ino = ino; ++ i->i_mtime.tv_sec = sblk->mkfs_time; ++ i->i_atime.tv_sec = sblk->mkfs_time; ++ i->i_ctime.tv_sec = sblk->mkfs_time; ++ i->i_uid = msblk->uid[inodeb->uid]; ++ i->i_mode = inodeb->mode; ++ i->i_nlink = 1; ++ i->i_size = 0; ++ if (inodeb->guid == SQUASHFS_GUIDS) ++ i->i_gid = i->i_uid; ++ else ++ i->i_gid = msblk->guid[inodeb->guid]; ++ } ++ ++ return i; ++} ++ ++ ++static struct inode *squashfs_iget_2(struct super_block *s, squashfs_inode_t inode) ++{ ++ struct inode *i; ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ unsigned int block = SQUASHFS_INODE_BLK(inode) + ++ sblk->inode_table_start; ++ unsigned int offset = SQUASHFS_INODE_OFFSET(inode); ++ unsigned int ino = SQUASHFS_MK_VFS_INODE(block ++ - sblk->inode_table_start, offset); ++ long long next_block; ++ unsigned int next_offset; ++ union squashfs_inode_header_2 id, sid; ++ struct squashfs_base_inode_header_2 *inodeb = &id.base, ++ *sinodeb = &sid.base; ++ ++ TRACE("Entered squashfs_iget\n"); ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) sinodeb, block, ++ offset, sizeof(*sinodeb), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_BASE_INODE_HEADER_2(inodeb, sinodeb, ++ sizeof(*sinodeb)); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) inodeb, block, ++ offset, sizeof(*inodeb), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ switch(inodeb->inode_type) { ++ case SQUASHFS_FILE_TYPE: { ++ struct squashfs_reg_inode_header_2 *inodep = &id.reg; ++ struct squashfs_reg_inode_header_2 *sinodep = &sid.reg; ++ long long frag_blk; ++ unsigned int frag_size; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_REG_INODE_HEADER_2(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ frag_blk = SQUASHFS_INVALID_BLK; ++ if (inodep->fragment != SQUASHFS_INVALID_FRAG && ++ !get_fragment_location_2(s, ++ inodep->fragment, &frag_blk, &frag_size)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL) ++ goto failed_read1; ++ ++ i->i_size = inodep->file_size; ++ i->i_fop = &generic_ro_fops; ++ i->i_mode |= S_IFREG; ++ i->i_mtime.tv_sec = inodep->mtime; ++ i->i_atime.tv_sec = inodep->mtime; ++ i->i_ctime.tv_sec = inodep->mtime; ++ i->i_blocks = ((i->i_size - 1) >> 9) + 1; ++ i->i_blksize = PAGE_CACHE_SIZE; ++ SQUASHFS_I(i)->u.s1.fragment_start_block = frag_blk; ++ SQUASHFS_I(i)->u.s1.fragment_size = frag_size; ++ SQUASHFS_I(i)->u.s1.fragment_offset = inodep->offset; ++ SQUASHFS_I(i)->start_block = inodep->start_block; ++ SQUASHFS_I(i)->u.s1.block_list_start = next_block; ++ SQUASHFS_I(i)->offset = next_offset; ++ if (sblk->block_size > 4096) ++ i->i_data.a_ops = &squashfs_aops; ++ else ++ i->i_data.a_ops = &squashfs_aops_4K; ++ ++ TRACE("File inode %x:%x, start_block %x, " ++ "block_list_start %llx, offset %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ inodep->start_block, next_block, ++ next_offset); ++ break; ++ } ++ case SQUASHFS_DIR_TYPE: { ++ struct squashfs_dir_inode_header_2 *inodep = &id.dir; ++ struct squashfs_dir_inode_header_2 *sinodep = &sid.dir; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_DIR_INODE_HEADER_2(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL) ++ goto failed_read1; ++ ++ i->i_size = inodep->file_size; ++ i->i_op = &squashfs_dir_inode_ops_2; ++ i->i_fop = &squashfs_dir_ops_2; ++ i->i_mode |= S_IFDIR; ++ i->i_mtime.tv_sec = inodep->mtime; ++ i->i_atime.tv_sec = inodep->mtime; ++ i->i_ctime.tv_sec = inodep->mtime; ++ SQUASHFS_I(i)->start_block = inodep->start_block; ++ SQUASHFS_I(i)->offset = inodep->offset; ++ SQUASHFS_I(i)->u.s2.directory_index_count = 0; ++ SQUASHFS_I(i)->u.s2.parent_inode = 0; ++ ++ TRACE("Directory inode %x:%x, start_block %x, offset " ++ "%x\n", SQUASHFS_INODE_BLK(inode), ++ offset, inodep->start_block, ++ inodep->offset); ++ break; ++ } ++ case SQUASHFS_LDIR_TYPE: { ++ struct squashfs_ldir_inode_header_2 *inodep = &id.ldir; ++ struct squashfs_ldir_inode_header_2 *sinodep = &sid.ldir; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_LDIR_INODE_HEADER_2(inodep, ++ sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL) ++ goto failed_read1; ++ ++ i->i_size = inodep->file_size; ++ i->i_op = &squashfs_dir_inode_ops_2; ++ i->i_fop = &squashfs_dir_ops_2; ++ i->i_mode |= S_IFDIR; ++ i->i_mtime.tv_sec = inodep->mtime; ++ i->i_atime.tv_sec = inodep->mtime; ++ i->i_ctime.tv_sec = inodep->mtime; ++ SQUASHFS_I(i)->start_block = inodep->start_block; ++ SQUASHFS_I(i)->offset = inodep->offset; ++ SQUASHFS_I(i)->u.s2.directory_index_start = next_block; ++ SQUASHFS_I(i)->u.s2.directory_index_offset = ++ next_offset; ++ SQUASHFS_I(i)->u.s2.directory_index_count = ++ inodep->i_count; ++ SQUASHFS_I(i)->u.s2.parent_inode = 0; ++ ++ TRACE("Long directory inode %x:%x, start_block %x, " ++ "offset %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ inodep->start_block, inodep->offset); ++ break; ++ } ++ case SQUASHFS_SYMLINK_TYPE: { ++ struct squashfs_symlink_inode_header_2 *inodep = ++ &id.symlink; ++ struct squashfs_symlink_inode_header_2 *sinodep = ++ &sid.symlink; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_SYMLINK_INODE_HEADER_2(inodep, ++ sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL) ++ goto failed_read1; ++ ++ i->i_size = inodep->symlink_size; ++ i->i_op = &page_symlink_inode_operations; ++ i->i_data.a_ops = &squashfs_symlink_aops; ++ i->i_mode |= S_IFLNK; ++ SQUASHFS_I(i)->start_block = next_block; ++ SQUASHFS_I(i)->offset = next_offset; ++ ++ TRACE("Symbolic link inode %x:%x, start_block %llx, " ++ "offset %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ next_block, next_offset); ++ break; ++ } ++ case SQUASHFS_BLKDEV_TYPE: ++ case SQUASHFS_CHRDEV_TYPE: { ++ struct squashfs_dev_inode_header_2 *inodep = &id.dev; ++ struct squashfs_dev_inode_header_2 *sinodep = &sid.dev; ++ ++ if (msblk->swap) { ++ if (!squashfs_get_cached_block(s, (char *) ++ sinodep, block, offset, ++ sizeof(*sinodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ SQUASHFS_SWAP_DEV_INODE_HEADER_2(inodep, sinodep); ++ } else ++ if (!squashfs_get_cached_block(s, (char *) ++ inodep, block, offset, ++ sizeof(*inodep), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ if ((i = squashfs_new_inode(s, inodeb, ino)) == NULL) ++ goto failed_read1; ++ ++ i->i_mode |= (inodeb->inode_type == ++ SQUASHFS_CHRDEV_TYPE) ? S_IFCHR : ++ S_IFBLK; ++ init_special_inode(i, i->i_mode, ++ old_decode_dev(inodep->rdev)); ++ ++ TRACE("Device inode %x:%x, rdev %x\n", ++ SQUASHFS_INODE_BLK(inode), offset, ++ inodep->rdev); ++ break; ++ } ++ case SQUASHFS_FIFO_TYPE: ++ case SQUASHFS_SOCKET_TYPE: { ++ if ((i = squashfs_new_inode(s, inodeb, ino)) == NULL) ++ goto failed_read1; ++ ++ i->i_mode |= (inodeb->inode_type == SQUASHFS_FIFO_TYPE) ++ ? S_IFIFO : S_IFSOCK; ++ init_special_inode(i, i->i_mode, 0); ++ break; ++ } ++ default: ++ ERROR("Unknown inode type %d in squashfs_iget!\n", ++ inodeb->inode_type); ++ goto failed_read1; ++ } ++ ++ insert_inode_hash(i); ++ return i; ++ ++failed_read: ++ ERROR("Unable to read inode [%x:%x]\n", block, offset); ++ ++failed_read1: ++ return NULL; ++} ++ ++ ++static int get_dir_index_using_offset(struct super_block *s, long long ++ *next_block, unsigned int *next_offset, ++ long long index_start, ++ unsigned int index_offset, int i_count, ++ long long f_pos) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ int i, length = 0; ++ struct squashfs_dir_index_2 index; ++ ++ TRACE("Entered get_dir_index_using_offset, i_count %d, f_pos %d\n", ++ i_count, (unsigned int) f_pos); ++ ++ if (f_pos == 0) ++ goto finish; ++ ++ for (i = 0; i < i_count; i++) { ++ if (msblk->swap) { ++ struct squashfs_dir_index_2 sindex; ++ squashfs_get_cached_block(s, (char *) &sindex, ++ index_start, index_offset, ++ sizeof(sindex), &index_start, ++ &index_offset); ++ SQUASHFS_SWAP_DIR_INDEX_2(&index, &sindex); ++ } else ++ squashfs_get_cached_block(s, (char *) &index, ++ index_start, index_offset, ++ sizeof(index), &index_start, ++ &index_offset); ++ ++ if (index.index > f_pos) ++ break; ++ ++ squashfs_get_cached_block(s, NULL, index_start, index_offset, ++ index.size + 1, &index_start, ++ &index_offset); ++ ++ length = index.index; ++ *next_block = index.start_block + sblk->directory_table_start; ++ } ++ ++ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE; ++ ++finish: ++ return length; ++} ++ ++ ++static int get_dir_index_using_name(struct super_block *s, long long ++ *next_block, unsigned int *next_offset, ++ long long index_start, ++ unsigned int index_offset, int i_count, ++ const char *name, int size) ++{ ++ struct squashfs_sb_info *msblk = s->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ int i, length = 0; ++ struct squashfs_dir_index_2 *index; ++ char *str; ++ ++ TRACE("Entered get_dir_index_using_name, i_count %d\n", i_count); ++ ++ if (!(str = kmalloc(sizeof(struct squashfs_dir_index) + ++ (SQUASHFS_NAME_LEN + 1) * 2, GFP_KERNEL))) { ++ ERROR("Failed to allocate squashfs_dir_index\n"); ++ goto failure; ++ } ++ ++ index = (struct squashfs_dir_index_2 *) (str + SQUASHFS_NAME_LEN + 1); ++ strncpy(str, name, size); ++ str[size] = '\0'; ++ ++ for (i = 0; i < i_count; i++) { ++ if (msblk->swap) { ++ struct squashfs_dir_index_2 sindex; ++ squashfs_get_cached_block(s, (char *) &sindex, ++ index_start, index_offset, ++ sizeof(sindex), &index_start, ++ &index_offset); ++ SQUASHFS_SWAP_DIR_INDEX_2(index, &sindex); ++ } else ++ squashfs_get_cached_block(s, (char *) index, ++ index_start, index_offset, ++ sizeof(struct squashfs_dir_index_2), ++ &index_start, &index_offset); ++ ++ squashfs_get_cached_block(s, index->name, index_start, ++ index_offset, index->size + 1, ++ &index_start, &index_offset); ++ ++ index->name[index->size + 1] = '\0'; ++ ++ if (strcmp(index->name, str) > 0) ++ break; ++ ++ length = index->index; ++ *next_block = index->start_block + sblk->directory_table_start; ++ } ++ ++ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE; ++ kfree(str); ++failure: ++ return length; ++} ++ ++ ++static int squashfs_readdir_2(struct file *file, void *dirent, filldir_t filldir) ++{ ++ struct inode *i = file->f_dentry->d_inode; ++ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ long long next_block = SQUASHFS_I(i)->start_block + ++ sblk->directory_table_start; ++ int next_offset = SQUASHFS_I(i)->offset, length = 0, ++ dir_count; ++ struct squashfs_dir_header_2 dirh; ++ struct squashfs_dir_entry_2 *dire; ++ ++ TRACE("Entered squashfs_readdir_2 [%llx:%x]\n", next_block, next_offset); ++ ++ if (!(dire = kmalloc(sizeof(struct squashfs_dir_entry) + ++ SQUASHFS_NAME_LEN + 1, GFP_KERNEL))) { ++ ERROR("Failed to allocate squashfs_dir_entry\n"); ++ goto finish; ++ } ++ ++ length = get_dir_index_using_offset(i->i_sb, &next_block, &next_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_start, ++ SQUASHFS_I(i)->u.s2.directory_index_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_count, ++ file->f_pos); ++ ++ while (length < i_size_read(i)) { ++ /* read directory header */ ++ if (msblk->swap) { ++ struct squashfs_dir_header_2 sdirh; ++ ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh, ++ next_block, next_offset, sizeof(sdirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdirh); ++ SQUASHFS_SWAP_DIR_HEADER_2(&dirh, &sdirh); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh, ++ next_block, next_offset, sizeof(dirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(dirh); ++ } ++ ++ dir_count = dirh.count + 1; ++ while (dir_count--) { ++ if (msblk->swap) { ++ struct squashfs_dir_entry_2 sdire; ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ &sdire, next_block, next_offset, ++ sizeof(sdire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdire); ++ SQUASHFS_SWAP_DIR_ENTRY_2(dire, &sdire); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ dire, next_block, next_offset, ++ sizeof(*dire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(*dire); ++ } ++ ++ if (!squashfs_get_cached_block(i->i_sb, dire->name, ++ next_block, next_offset, ++ dire->size + 1, &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += dire->size + 1; ++ ++ if (file->f_pos >= length) ++ continue; ++ ++ dire->name[dire->size + 1] = '\0'; ++ ++ TRACE("Calling filldir(%x, %s, %d, %d, %x:%x, %d)\n", ++ (unsigned int) dirent, dire->name, ++ dire->size + 1, (int) file->f_pos, ++ dirh.start_block, dire->offset, ++ squashfs_filetype_table[dire->type]); ++ ++ if (filldir(dirent, dire->name, dire->size + 1, ++ file->f_pos, SQUASHFS_MK_VFS_INODE( ++ dirh.start_block, dire->offset), ++ squashfs_filetype_table[dire->type]) ++ < 0) { ++ TRACE("Filldir returned less than 0\n"); ++ goto finish; ++ } ++ file->f_pos = length; ++ } ++ } ++ ++finish: ++ kfree(dire); ++ return 0; ++ ++failed_read: ++ ERROR("Unable to read directory block [%llx:%x]\n", next_block, ++ next_offset); ++ kfree(dire); ++ return 0; ++} ++ ++ ++static struct dentry *squashfs_lookup_2(struct inode *i, struct dentry *dentry, ++ struct nameidata *nd) ++{ ++ const unsigned char *name = dentry->d_name.name; ++ int len = dentry->d_name.len; ++ struct inode *inode = NULL; ++ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info; ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ long long next_block = SQUASHFS_I(i)->start_block + ++ sblk->directory_table_start; ++ int next_offset = SQUASHFS_I(i)->offset, length = 0, ++ dir_count; ++ struct squashfs_dir_header_2 dirh; ++ struct squashfs_dir_entry_2 *dire; ++ int sorted = sblk->s_major == 2 && sblk->s_minor >= 1; ++ ++ TRACE("Entered squashfs_lookup_2 [%llx:%x]\n", next_block, next_offset); ++ ++ if (!(dire = kmalloc(sizeof(struct squashfs_dir_entry) + ++ SQUASHFS_NAME_LEN + 1, GFP_KERNEL))) { ++ ERROR("Failed to allocate squashfs_dir_entry\n"); ++ goto exit_loop; ++ } ++ ++ if (len > SQUASHFS_NAME_LEN) ++ goto exit_loop; ++ ++ length = get_dir_index_using_name(i->i_sb, &next_block, &next_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_start, ++ SQUASHFS_I(i)->u.s2.directory_index_offset, ++ SQUASHFS_I(i)->u.s2.directory_index_count, name, ++ len); ++ ++ while (length < i_size_read(i)) { ++ /* read directory header */ ++ if (msblk->swap) { ++ struct squashfs_dir_header_2 sdirh; ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh, ++ next_block, next_offset, sizeof(sdirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdirh); ++ SQUASHFS_SWAP_DIR_HEADER_2(&dirh, &sdirh); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh, ++ next_block, next_offset, sizeof(dirh), ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(dirh); ++ } ++ ++ dir_count = dirh.count + 1; ++ while (dir_count--) { ++ if (msblk->swap) { ++ struct squashfs_dir_entry_2 sdire; ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ &sdire, next_block,next_offset, ++ sizeof(sdire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(sdire); ++ SQUASHFS_SWAP_DIR_ENTRY_2(dire, &sdire); ++ } else { ++ if (!squashfs_get_cached_block(i->i_sb, (char *) ++ dire, next_block,next_offset, ++ sizeof(*dire), &next_block, ++ &next_offset)) ++ goto failed_read; ++ ++ length += sizeof(*dire); ++ } ++ ++ if (!squashfs_get_cached_block(i->i_sb, dire->name, ++ next_block, next_offset, dire->size + 1, ++ &next_block, &next_offset)) ++ goto failed_read; ++ ++ length += dire->size + 1; ++ ++ if (sorted && name[0] < dire->name[0]) ++ goto exit_loop; ++ ++ if ((len == dire->size + 1) && !strncmp(name, ++ dire->name, len)) { ++ squashfs_inode_t ino = ++ SQUASHFS_MKINODE(dirh.start_block, ++ dire->offset); ++ ++ TRACE("calling squashfs_iget for directory " ++ "entry %s, inode %x:%x, %lld\n", name, ++ dirh.start_block, dire->offset, ino); ++ ++ inode = (msblk->iget)(i->i_sb, ino); ++ ++ goto exit_loop; ++ } ++ } ++ } ++ ++exit_loop: ++ kfree(dire); ++ d_add(dentry, inode); ++ return ERR_PTR(0); ++ ++failed_read: ++ ERROR("Unable to read directory block [%llx:%x]\n", next_block, ++ next_offset); ++ goto exit_loop; ++} ++ ++ ++int squashfs_2_0_supported(struct squashfs_sb_info *msblk) ++{ ++ struct squashfs_super_block *sblk = &msblk->sblk; ++ ++ msblk->iget = squashfs_iget_2; ++ msblk->read_fragment_index_table = read_fragment_index_table_2; ++ ++ sblk->bytes_used = sblk->bytes_used_2; ++ sblk->uid_start = sblk->uid_start_2; ++ sblk->guid_start = sblk->guid_start_2; ++ sblk->inode_table_start = sblk->inode_table_start_2; ++ sblk->directory_table_start = sblk->directory_table_start_2; ++ sblk->fragment_table_start = sblk->fragment_table_start_2; ++ ++ return 1; ++} +diff --new-file -urp linux-2.6.18/fs/squashfs/squashfs.h linux-2.6.18-squashfs3.1/fs/squashfs/squashfs.h +--- linux-2.6.18/fs/squashfs/squashfs.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/fs/squashfs/squashfs.h 2006-08-21 00:13:12.000000000 +0100 +@@ -0,0 +1,86 @@ ++/* ++ * Squashfs - a compressed read only filesystem for Linux ++ * ++ * Copyright (c) 2002, 2003, 2004, 2005, 2006 ++ * Phillip Lougher <phillip@lougher.org.uk> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2, ++ * or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * squashfs.h ++ */ ++ ++#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY ++#undef CONFIG_SQUASHFS_1_0_COMPATIBILITY ++#endif ++ ++#ifdef SQUASHFS_TRACE ++#define TRACE(s, args...) printk(KERN_NOTICE "SQUASHFS: "s, ## args) ++#else ++#define TRACE(s, args...) {} ++#endif ++ ++#define ERROR(s, args...) printk(KERN_ERR "SQUASHFS error: "s, ## args) ++ ++#define SERROR(s, args...) do { \ ++ if (!silent) \ ++ printk(KERN_ERR "SQUASHFS error: "s, ## args);\ ++ } while(0) ++ ++#define WARNING(s, args...) printk(KERN_WARNING "SQUASHFS: "s, ## args) ++ ++static inline struct squashfs_inode_info *SQUASHFS_I(struct inode *inode) ++{ ++ return list_entry(inode, struct squashfs_inode_info, vfs_inode); ++} ++ ++#if defined(CONFIG_SQUASHFS_1_0_COMPATIBILITY ) || defined(CONFIG_SQUASHFS_2_0_COMPATIBILITY) ++#define SQSH_EXTERN ++extern unsigned int squashfs_read_data(struct super_block *s, char *buffer, ++ long long index, unsigned int length, ++ long long *next_index); ++extern int squashfs_get_cached_block(struct super_block *s, char *buffer, ++ long long block, unsigned int offset, ++ int length, long long *next_block, ++ unsigned int *next_offset); ++extern void release_cached_fragment(struct squashfs_sb_info *msblk, struct ++ squashfs_fragment_cache *fragment); ++extern struct squashfs_fragment_cache *get_cached_fragment(struct super_block ++ *s, long long start_block, ++ int length); ++extern struct address_space_operations squashfs_symlink_aops; ++extern struct address_space_operations squashfs_aops; ++extern struct address_space_operations squashfs_aops_4K; ++extern struct inode_operations squashfs_dir_inode_ops; ++#else ++#define SQSH_EXTERN static ++#endif ++ ++#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY ++extern int squashfs_1_0_supported(struct squashfs_sb_info *msblk); ++#else ++static inline int squashfs_1_0_supported(struct squashfs_sb_info *msblk) ++{ ++ return 0; ++} ++#endif ++ ++#ifdef CONFIG_SQUASHFS_2_0_COMPATIBILITY ++extern int squashfs_2_0_supported(struct squashfs_sb_info *msblk); ++#else ++static inline int squashfs_2_0_supported(struct squashfs_sb_info *msblk) ++{ ++ return 0; ++} ++#endif +diff --new-file -urp linux-2.6.18/include/linux/squashfs_fs.h linux-2.6.18-squashfs3.1/include/linux/squashfs_fs.h +--- linux-2.6.18/include/linux/squashfs_fs.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/include/linux/squashfs_fs.h 2006-08-21 00:13:19.000000000 +0100 +@@ -0,0 +1,911 @@ ++#ifndef SQUASHFS_FS ++#define SQUASHFS_FS ++ ++/* ++ * Squashfs ++ * ++ * Copyright (c) 2002, 2003, 2004, 2005, 2006 ++ * Phillip Lougher <phillip@lougher.org.uk> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2, ++ * or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * squashfs_fs.h ++ */ ++ ++#ifndef CONFIG_SQUASHFS_2_0_COMPATIBILITY ++#define CONFIG_SQUASHFS_2_0_COMPATIBILITY ++#endif ++ ++#ifdef CONFIG_SQUASHFS_VMALLOC ++#define SQUASHFS_ALLOC(a) vmalloc(a) ++#define SQUASHFS_FREE(a) vfree(a) ++#else ++#define SQUASHFS_ALLOC(a) kmalloc(a, GFP_KERNEL) ++#define SQUASHFS_FREE(a) kfree(a) ++#endif ++#define SQUASHFS_CACHED_FRAGMENTS CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE ++#define SQUASHFS_MAJOR 3 ++#define SQUASHFS_MINOR 0 ++#define SQUASHFS_MAGIC 0x73717368 ++#define SQUASHFS_MAGIC_SWAP 0x68737173 ++#define SQUASHFS_START 0 ++ ++/* size of metadata (inode and directory) blocks */ ++#define SQUASHFS_METADATA_SIZE 8192 ++#define SQUASHFS_METADATA_LOG 13 ++ ++/* default size of data blocks */ ++#define SQUASHFS_FILE_SIZE 65536 ++#define SQUASHFS_FILE_LOG 16 ++ ++#define SQUASHFS_FILE_MAX_SIZE 65536 ++ ++/* Max number of uids and gids */ ++#define SQUASHFS_UIDS 256 ++#define SQUASHFS_GUIDS 255 ++ ++/* Max length of filename (not 255) */ ++#define SQUASHFS_NAME_LEN 256 ++ ++#define SQUASHFS_INVALID ((long long) 0xffffffffffff) ++#define SQUASHFS_INVALID_FRAG ((unsigned int) 0xffffffff) ++#define SQUASHFS_INVALID_BLK ((long long) -1) ++#define SQUASHFS_USED_BLK ((long long) -2) ++ ++/* Filesystem flags */ ++#define SQUASHFS_NOI 0 ++#define SQUASHFS_NOD 1 ++#define SQUASHFS_CHECK 2 ++#define SQUASHFS_NOF 3 ++#define SQUASHFS_NO_FRAG 4 ++#define SQUASHFS_ALWAYS_FRAG 5 ++#define SQUASHFS_DUPLICATE 6 ++ ++#define SQUASHFS_BIT(flag, bit) ((flag >> bit) & 1) ++ ++#define SQUASHFS_UNCOMPRESSED_INODES(flags) SQUASHFS_BIT(flags, \ ++ SQUASHFS_NOI) ++ ++#define SQUASHFS_UNCOMPRESSED_DATA(flags) SQUASHFS_BIT(flags, \ ++ SQUASHFS_NOD) ++ ++#define SQUASHFS_UNCOMPRESSED_FRAGMENTS(flags) SQUASHFS_BIT(flags, \ ++ SQUASHFS_NOF) ++ ++#define SQUASHFS_NO_FRAGMENTS(flags) SQUASHFS_BIT(flags, \ ++ SQUASHFS_NO_FRAG) ++ ++#define SQUASHFS_ALWAYS_FRAGMENTS(flags) SQUASHFS_BIT(flags, \ ++ SQUASHFS_ALWAYS_FRAG) ++ ++#define SQUASHFS_DUPLICATES(flags) SQUASHFS_BIT(flags, \ ++ SQUASHFS_DUPLICATE) ++ ++#define SQUASHFS_CHECK_DATA(flags) SQUASHFS_BIT(flags, \ ++ SQUASHFS_CHECK) ++ ++#define SQUASHFS_MKFLAGS(noi, nod, check_data, nof, no_frag, always_frag, \ ++ duplicate_checking) (noi | (nod << 1) | (check_data << 2) \ ++ | (nof << 3) | (no_frag << 4) | (always_frag << 5) | \ ++ (duplicate_checking << 6)) ++ ++/* Max number of types and file types */ ++#define SQUASHFS_DIR_TYPE 1 ++#define SQUASHFS_FILE_TYPE 2 ++#define SQUASHFS_SYMLINK_TYPE 3 ++#define SQUASHFS_BLKDEV_TYPE 4 ++#define SQUASHFS_CHRDEV_TYPE 5 ++#define SQUASHFS_FIFO_TYPE 6 ++#define SQUASHFS_SOCKET_TYPE 7 ++#define SQUASHFS_LDIR_TYPE 8 ++#define SQUASHFS_LREG_TYPE 9 ++ ++/* 1.0 filesystem type definitions */ ++#define SQUASHFS_TYPES 5 ++#define SQUASHFS_IPC_TYPE 0 ++ ++/* Flag whether block is compressed or uncompressed, bit is set if block is ++ * uncompressed */ ++#define SQUASHFS_COMPRESSED_BIT (1 << 15) ++ ++#define SQUASHFS_COMPRESSED_SIZE(B) (((B) & ~SQUASHFS_COMPRESSED_BIT) ? \ ++ (B) & ~SQUASHFS_COMPRESSED_BIT : SQUASHFS_COMPRESSED_BIT) ++ ++#define SQUASHFS_COMPRESSED(B) (!((B) & SQUASHFS_COMPRESSED_BIT)) ++ ++#define SQUASHFS_COMPRESSED_BIT_BLOCK (1 << 24) ++ ++#define SQUASHFS_COMPRESSED_SIZE_BLOCK(B) (((B) & \ ++ ~SQUASHFS_COMPRESSED_BIT_BLOCK) ? (B) & \ ++ ~SQUASHFS_COMPRESSED_BIT_BLOCK : SQUASHFS_COMPRESSED_BIT_BLOCK) ++ ++#define SQUASHFS_COMPRESSED_BLOCK(B) (!((B) & SQUASHFS_COMPRESSED_BIT_BLOCK)) ++ ++/* ++ * Inode number ops. Inodes consist of a compressed block number, and an ++ * uncompressed offset within that block ++ */ ++#define SQUASHFS_INODE_BLK(a) ((unsigned int) ((a) >> 16)) ++ ++#define SQUASHFS_INODE_OFFSET(a) ((unsigned int) ((a) & 0xffff)) ++ ++#define SQUASHFS_MKINODE(A, B) ((squashfs_inode_t)(((squashfs_inode_t) (A)\ ++ << 16) + (B))) ++ ++/* Compute 32 bit VFS inode number from squashfs inode number */ ++#define SQUASHFS_MK_VFS_INODE(a, b) ((unsigned int) (((a) << 8) + \ ++ ((b) >> 2) + 1)) ++/* XXX */ ++ ++/* Translate between VFS mode and squashfs mode */ ++#define SQUASHFS_MODE(a) ((a) & 0xfff) ++ ++/* fragment and fragment table defines */ ++#define SQUASHFS_FRAGMENT_BYTES(A) (A * sizeof(struct squashfs_fragment_entry)) ++ ++#define SQUASHFS_FRAGMENT_INDEX(A) (SQUASHFS_FRAGMENT_BYTES(A) / \ ++ SQUASHFS_METADATA_SIZE) ++ ++#define SQUASHFS_FRAGMENT_INDEX_OFFSET(A) (SQUASHFS_FRAGMENT_BYTES(A) % \ ++ SQUASHFS_METADATA_SIZE) ++ ++#define SQUASHFS_FRAGMENT_INDEXES(A) ((SQUASHFS_FRAGMENT_BYTES(A) + \ ++ SQUASHFS_METADATA_SIZE - 1) / \ ++ SQUASHFS_METADATA_SIZE) ++ ++#define SQUASHFS_FRAGMENT_INDEX_BYTES(A) (SQUASHFS_FRAGMENT_INDEXES(A) *\ ++ sizeof(long long)) ++ ++/* cached data constants for filesystem */ ++#define SQUASHFS_CACHED_BLKS 8 ++ ++#define SQUASHFS_MAX_FILE_SIZE_LOG 64 ++ ++#define SQUASHFS_MAX_FILE_SIZE ((long long) 1 << \ ++ (SQUASHFS_MAX_FILE_SIZE_LOG - 2)) ++ ++#define SQUASHFS_MARKER_BYTE 0xff ++ ++/* meta index cache */ ++#define SQUASHFS_META_INDEXES (SQUASHFS_METADATA_SIZE / sizeof(unsigned int)) ++#define SQUASHFS_META_ENTRIES 31 ++#define SQUASHFS_META_NUMBER 8 ++#define SQUASHFS_SLOTS 4 ++ ++struct meta_entry { ++ long long data_block; ++ unsigned int index_block; ++ unsigned short offset; ++ unsigned short pad; ++}; ++ ++struct meta_index { ++ unsigned int inode_number; ++ unsigned int offset; ++ unsigned short entries; ++ unsigned short skip; ++ unsigned short locked; ++ unsigned short pad; ++ struct meta_entry meta_entry[SQUASHFS_META_ENTRIES]; ++}; ++ ++ ++/* ++ * definitions for structures on disk ++ */ ++ ++typedef long long squashfs_block_t; ++typedef long long squashfs_inode_t; ++ ++struct squashfs_super_block { ++ unsigned int s_magic; ++ unsigned int inodes; ++ unsigned int bytes_used_2; ++ unsigned int uid_start_2; ++ unsigned int guid_start_2; ++ unsigned int inode_table_start_2; ++ unsigned int directory_table_start_2; ++ unsigned int s_major:16; ++ unsigned int s_minor:16; ++ unsigned int block_size_1:16; ++ unsigned int block_log:16; ++ unsigned int flags:8; ++ unsigned int no_uids:8; ++ unsigned int no_guids:8; ++ unsigned int mkfs_time /* time of filesystem creation */; ++ squashfs_inode_t root_inode; ++ unsigned int block_size; ++ unsigned int fragments; ++ unsigned int fragment_table_start_2; ++ long long bytes_used; ++ long long uid_start; ++ long long guid_start; ++ long long inode_table_start; ++ long long directory_table_start; ++ long long fragment_table_start; ++ long long unused; ++} __attribute__ ((packed)); ++ ++struct squashfs_dir_index { ++ unsigned int index; ++ unsigned int start_block; ++ unsigned char size; ++ unsigned char name[0]; ++} __attribute__ ((packed)); ++ ++#define SQUASHFS_BASE_INODE_HEADER \ ++ unsigned int inode_type:4; \ ++ unsigned int mode:12; \ ++ unsigned int uid:8; \ ++ unsigned int guid:8; \ ++ unsigned int mtime; \ ++ unsigned int inode_number; ++ ++struct squashfs_base_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++} __attribute__ ((packed)); ++ ++struct squashfs_ipc_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++ unsigned int nlink; ++} __attribute__ ((packed)); ++ ++struct squashfs_dev_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++ unsigned int nlink; ++ unsigned short rdev; ++} __attribute__ ((packed)); ++ ++struct squashfs_symlink_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++ unsigned int nlink; ++ unsigned short symlink_size; ++ char symlink[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_reg_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++ squashfs_block_t start_block; ++ unsigned int fragment; ++ unsigned int offset; ++ unsigned int file_size; ++ unsigned short block_list[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_lreg_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++ unsigned int nlink; ++ squashfs_block_t start_block; ++ unsigned int fragment; ++ unsigned int offset; ++ long long file_size; ++ unsigned short block_list[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_dir_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++ unsigned int nlink; ++ unsigned int file_size:19; ++ unsigned int offset:13; ++ unsigned int start_block; ++ unsigned int parent_inode; ++} __attribute__ ((packed)); ++ ++struct squashfs_ldir_inode_header { ++ SQUASHFS_BASE_INODE_HEADER; ++ unsigned int nlink; ++ unsigned int file_size:27; ++ unsigned int offset:13; ++ unsigned int start_block; ++ unsigned int i_count:16; ++ unsigned int parent_inode; ++ struct squashfs_dir_index index[0]; ++} __attribute__ ((packed)); ++ ++union squashfs_inode_header { ++ struct squashfs_base_inode_header base; ++ struct squashfs_dev_inode_header dev; ++ struct squashfs_symlink_inode_header symlink; ++ struct squashfs_reg_inode_header reg; ++ struct squashfs_lreg_inode_header lreg; ++ struct squashfs_dir_inode_header dir; ++ struct squashfs_ldir_inode_header ldir; ++ struct squashfs_ipc_inode_header ipc; ++}; ++ ++struct squashfs_dir_entry { ++ unsigned int offset:13; ++ unsigned int type:3; ++ unsigned int size:8; ++ int inode_number:16; ++ char name[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_dir_header { ++ unsigned int count:8; ++ unsigned int start_block; ++ unsigned int inode_number; ++} __attribute__ ((packed)); ++ ++struct squashfs_fragment_entry { ++ long long start_block; ++ unsigned int size; ++ unsigned int unused; ++} __attribute__ ((packed)); ++ ++extern int squashfs_uncompress_block(void *d, int dstlen, void *s, int srclen); ++extern int squashfs_uncompress_init(void); ++extern int squashfs_uncompress_exit(void); ++ ++/* ++ * macros to convert each packed bitfield structure from little endian to big ++ * endian and vice versa. These are needed when creating or using a filesystem ++ * on a machine with different byte ordering to the target architecture. ++ * ++ */ ++ ++#define SQUASHFS_SWAP_START \ ++ int bits;\ ++ int b_pos;\ ++ unsigned long long val;\ ++ unsigned char *s;\ ++ unsigned char *d; ++ ++#define SQUASHFS_SWAP_SUPER_BLOCK(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_super_block));\ ++ SQUASHFS_SWAP((s)->s_magic, d, 0, 32);\ ++ SQUASHFS_SWAP((s)->inodes, d, 32, 32);\ ++ SQUASHFS_SWAP((s)->bytes_used_2, d, 64, 32);\ ++ SQUASHFS_SWAP((s)->uid_start_2, d, 96, 32);\ ++ SQUASHFS_SWAP((s)->guid_start_2, d, 128, 32);\ ++ SQUASHFS_SWAP((s)->inode_table_start_2, d, 160, 32);\ ++ SQUASHFS_SWAP((s)->directory_table_start_2, d, 192, 32);\ ++ SQUASHFS_SWAP((s)->s_major, d, 224, 16);\ ++ SQUASHFS_SWAP((s)->s_minor, d, 240, 16);\ ++ SQUASHFS_SWAP((s)->block_size_1, d, 256, 16);\ ++ SQUASHFS_SWAP((s)->block_log, d, 272, 16);\ ++ SQUASHFS_SWAP((s)->flags, d, 288, 8);\ ++ SQUASHFS_SWAP((s)->no_uids, d, 296, 8);\ ++ SQUASHFS_SWAP((s)->no_guids, d, 304, 8);\ ++ SQUASHFS_SWAP((s)->mkfs_time, d, 312, 32);\ ++ SQUASHFS_SWAP((s)->root_inode, d, 344, 64);\ ++ SQUASHFS_SWAP((s)->block_size, d, 408, 32);\ ++ SQUASHFS_SWAP((s)->fragments, d, 440, 32);\ ++ SQUASHFS_SWAP((s)->fragment_table_start_2, d, 472, 32);\ ++ SQUASHFS_SWAP((s)->bytes_used, d, 504, 64);\ ++ SQUASHFS_SWAP((s)->uid_start, d, 568, 64);\ ++ SQUASHFS_SWAP((s)->guid_start, d, 632, 64);\ ++ SQUASHFS_SWAP((s)->inode_table_start, d, 696, 64);\ ++ SQUASHFS_SWAP((s)->directory_table_start, d, 760, 64);\ ++ SQUASHFS_SWAP((s)->fragment_table_start, d, 824, 64);\ ++ SQUASHFS_SWAP((s)->unused, d, 888, 64);\ ++} ++ ++#define SQUASHFS_SWAP_BASE_INODE_CORE(s, d, n)\ ++ SQUASHFS_MEMSET(s, d, n);\ ++ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\ ++ SQUASHFS_SWAP((s)->mode, d, 4, 12);\ ++ SQUASHFS_SWAP((s)->uid, d, 16, 8);\ ++ SQUASHFS_SWAP((s)->guid, d, 24, 8);\ ++ SQUASHFS_SWAP((s)->mtime, d, 32, 32);\ ++ SQUASHFS_SWAP((s)->inode_number, d, 64, 32); ++ ++#define SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, n) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, n)\ ++} ++ ++#define SQUASHFS_SWAP_IPC_INODE_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \ ++ sizeof(struct squashfs_ipc_inode_header))\ ++ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\ ++} ++ ++#define SQUASHFS_SWAP_DEV_INODE_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \ ++ sizeof(struct squashfs_dev_inode_header)); \ ++ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\ ++ SQUASHFS_SWAP((s)->rdev, d, 128, 16);\ ++} ++ ++#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \ ++ sizeof(struct squashfs_symlink_inode_header));\ ++ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\ ++ SQUASHFS_SWAP((s)->symlink_size, d, 128, 16);\ ++} ++ ++#define SQUASHFS_SWAP_REG_INODE_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \ ++ sizeof(struct squashfs_reg_inode_header));\ ++ SQUASHFS_SWAP((s)->start_block, d, 96, 64);\ ++ SQUASHFS_SWAP((s)->fragment, d, 160, 32);\ ++ SQUASHFS_SWAP((s)->offset, d, 192, 32);\ ++ SQUASHFS_SWAP((s)->file_size, d, 224, 32);\ ++} ++ ++#define SQUASHFS_SWAP_LREG_INODE_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \ ++ sizeof(struct squashfs_lreg_inode_header));\ ++ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\ ++ SQUASHFS_SWAP((s)->start_block, d, 128, 64);\ ++ SQUASHFS_SWAP((s)->fragment, d, 192, 32);\ ++ SQUASHFS_SWAP((s)->offset, d, 224, 32);\ ++ SQUASHFS_SWAP((s)->file_size, d, 256, 64);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_INODE_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \ ++ sizeof(struct squashfs_dir_inode_header));\ ++ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\ ++ SQUASHFS_SWAP((s)->file_size, d, 128, 19);\ ++ SQUASHFS_SWAP((s)->offset, d, 147, 13);\ ++ SQUASHFS_SWAP((s)->start_block, d, 160, 32);\ ++ SQUASHFS_SWAP((s)->parent_inode, d, 192, 32);\ ++} ++ ++#define SQUASHFS_SWAP_LDIR_INODE_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \ ++ sizeof(struct squashfs_ldir_inode_header));\ ++ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\ ++ SQUASHFS_SWAP((s)->file_size, d, 128, 27);\ ++ SQUASHFS_SWAP((s)->offset, d, 155, 13);\ ++ SQUASHFS_SWAP((s)->start_block, d, 168, 32);\ ++ SQUASHFS_SWAP((s)->i_count, d, 200, 16);\ ++ SQUASHFS_SWAP((s)->parent_inode, d, 216, 32);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_INDEX(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_index));\ ++ SQUASHFS_SWAP((s)->index, d, 0, 32);\ ++ SQUASHFS_SWAP((s)->start_block, d, 32, 32);\ ++ SQUASHFS_SWAP((s)->size, d, 64, 8);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_HEADER(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_header));\ ++ SQUASHFS_SWAP((s)->count, d, 0, 8);\ ++ SQUASHFS_SWAP((s)->start_block, d, 8, 32);\ ++ SQUASHFS_SWAP((s)->inode_number, d, 40, 32);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_ENTRY(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_entry));\ ++ SQUASHFS_SWAP((s)->offset, d, 0, 13);\ ++ SQUASHFS_SWAP((s)->type, d, 13, 3);\ ++ SQUASHFS_SWAP((s)->size, d, 16, 8);\ ++ SQUASHFS_SWAP((s)->inode_number, d, 24, 16);\ ++} ++ ++#define SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_fragment_entry));\ ++ SQUASHFS_SWAP((s)->start_block, d, 0, 64);\ ++ SQUASHFS_SWAP((s)->size, d, 64, 32);\ ++} ++ ++#define SQUASHFS_SWAP_SHORTS(s, d, n) {\ ++ int entry;\ ++ int bit_position;\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, n * 2);\ ++ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \ ++ 16)\ ++ SQUASHFS_SWAP(s[entry], d, bit_position, 16);\ ++} ++ ++#define SQUASHFS_SWAP_INTS(s, d, n) {\ ++ int entry;\ ++ int bit_position;\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, n * 4);\ ++ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \ ++ 32)\ ++ SQUASHFS_SWAP(s[entry], d, bit_position, 32);\ ++} ++ ++#define SQUASHFS_SWAP_LONG_LONGS(s, d, n) {\ ++ int entry;\ ++ int bit_position;\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, n * 8);\ ++ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \ ++ 64)\ ++ SQUASHFS_SWAP(s[entry], d, bit_position, 64);\ ++} ++ ++#define SQUASHFS_SWAP_DATA(s, d, n, bits) {\ ++ int entry;\ ++ int bit_position;\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, n * bits / 8);\ ++ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \ ++ bits)\ ++ SQUASHFS_SWAP(s[entry], d, bit_position, bits);\ ++} ++ ++#define SQUASHFS_SWAP_FRAGMENT_INDEXES(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n) ++ ++#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY ++ ++struct squashfs_base_inode_header_1 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:4; /* index into uid table */ ++ unsigned int guid:4; /* index into guid table */ ++} __attribute__ ((packed)); ++ ++struct squashfs_ipc_inode_header_1 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:4; /* index into uid table */ ++ unsigned int guid:4; /* index into guid table */ ++ unsigned int type:4; ++ unsigned int offset:4; ++} __attribute__ ((packed)); ++ ++struct squashfs_dev_inode_header_1 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:4; /* index into uid table */ ++ unsigned int guid:4; /* index into guid table */ ++ unsigned short rdev; ++} __attribute__ ((packed)); ++ ++struct squashfs_symlink_inode_header_1 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:4; /* index into uid table */ ++ unsigned int guid:4; /* index into guid table */ ++ unsigned short symlink_size; ++ char symlink[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_reg_inode_header_1 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:4; /* index into uid table */ ++ unsigned int guid:4; /* index into guid table */ ++ unsigned int mtime; ++ unsigned int start_block; ++ unsigned int file_size:32; ++ unsigned short block_list[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_dir_inode_header_1 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:4; /* index into uid table */ ++ unsigned int guid:4; /* index into guid table */ ++ unsigned int file_size:19; ++ unsigned int offset:13; ++ unsigned int mtime; ++ unsigned int start_block:24; ++} __attribute__ ((packed)); ++ ++#define SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, n) \ ++ SQUASHFS_MEMSET(s, d, n);\ ++ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\ ++ SQUASHFS_SWAP((s)->mode, d, 4, 12);\ ++ SQUASHFS_SWAP((s)->uid, d, 16, 4);\ ++ SQUASHFS_SWAP((s)->guid, d, 20, 4); ++ ++#define SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, n) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, n)\ ++} ++ ++#define SQUASHFS_SWAP_IPC_INODE_HEADER_1(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \ ++ sizeof(struct squashfs_ipc_inode_header_1));\ ++ SQUASHFS_SWAP((s)->type, d, 24, 4);\ ++ SQUASHFS_SWAP((s)->offset, d, 28, 4);\ ++} ++ ++#define SQUASHFS_SWAP_DEV_INODE_HEADER_1(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \ ++ sizeof(struct squashfs_dev_inode_header_1));\ ++ SQUASHFS_SWAP((s)->rdev, d, 24, 16);\ ++} ++ ++#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER_1(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \ ++ sizeof(struct squashfs_symlink_inode_header_1));\ ++ SQUASHFS_SWAP((s)->symlink_size, d, 24, 16);\ ++} ++ ++#define SQUASHFS_SWAP_REG_INODE_HEADER_1(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \ ++ sizeof(struct squashfs_reg_inode_header_1));\ ++ SQUASHFS_SWAP((s)->mtime, d, 24, 32);\ ++ SQUASHFS_SWAP((s)->start_block, d, 56, 32);\ ++ SQUASHFS_SWAP((s)->file_size, d, 88, 32);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_INODE_HEADER_1(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \ ++ sizeof(struct squashfs_dir_inode_header_1));\ ++ SQUASHFS_SWAP((s)->file_size, d, 24, 19);\ ++ SQUASHFS_SWAP((s)->offset, d, 43, 13);\ ++ SQUASHFS_SWAP((s)->mtime, d, 56, 32);\ ++ SQUASHFS_SWAP((s)->start_block, d, 88, 24);\ ++} ++ ++#endif ++ ++#ifdef CONFIG_SQUASHFS_2_0_COMPATIBILITY ++ ++struct squashfs_dir_index_2 { ++ unsigned int index:27; ++ unsigned int start_block:29; ++ unsigned char size; ++ unsigned char name[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_base_inode_header_2 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:8; /* index into uid table */ ++ unsigned int guid:8; /* index into guid table */ ++} __attribute__ ((packed)); ++ ++struct squashfs_ipc_inode_header_2 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:8; /* index into uid table */ ++ unsigned int guid:8; /* index into guid table */ ++} __attribute__ ((packed)); ++ ++struct squashfs_dev_inode_header_2 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:8; /* index into uid table */ ++ unsigned int guid:8; /* index into guid table */ ++ unsigned short rdev; ++} __attribute__ ((packed)); ++ ++struct squashfs_symlink_inode_header_2 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:8; /* index into uid table */ ++ unsigned int guid:8; /* index into guid table */ ++ unsigned short symlink_size; ++ char symlink[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_reg_inode_header_2 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:8; /* index into uid table */ ++ unsigned int guid:8; /* index into guid table */ ++ unsigned int mtime; ++ unsigned int start_block; ++ unsigned int fragment; ++ unsigned int offset; ++ unsigned int file_size:32; ++ unsigned short block_list[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_dir_inode_header_2 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:8; /* index into uid table */ ++ unsigned int guid:8; /* index into guid table */ ++ unsigned int file_size:19; ++ unsigned int offset:13; ++ unsigned int mtime; ++ unsigned int start_block:24; ++} __attribute__ ((packed)); ++ ++struct squashfs_ldir_inode_header_2 { ++ unsigned int inode_type:4; ++ unsigned int mode:12; /* protection */ ++ unsigned int uid:8; /* index into uid table */ ++ unsigned int guid:8; /* index into guid table */ ++ unsigned int file_size:27; ++ unsigned int offset:13; ++ unsigned int mtime; ++ unsigned int start_block:24; ++ unsigned int i_count:16; ++ struct squashfs_dir_index_2 index[0]; ++} __attribute__ ((packed)); ++ ++union squashfs_inode_header_2 { ++ struct squashfs_base_inode_header_2 base; ++ struct squashfs_dev_inode_header_2 dev; ++ struct squashfs_symlink_inode_header_2 symlink; ++ struct squashfs_reg_inode_header_2 reg; ++ struct squashfs_dir_inode_header_2 dir; ++ struct squashfs_ldir_inode_header_2 ldir; ++ struct squashfs_ipc_inode_header_2 ipc; ++}; ++ ++struct squashfs_dir_header_2 { ++ unsigned int count:8; ++ unsigned int start_block:24; ++} __attribute__ ((packed)); ++ ++struct squashfs_dir_entry_2 { ++ unsigned int offset:13; ++ unsigned int type:3; ++ unsigned int size:8; ++ char name[0]; ++} __attribute__ ((packed)); ++ ++struct squashfs_fragment_entry_2 { ++ unsigned int start_block; ++ unsigned int size; ++} __attribute__ ((packed)); ++ ++#define SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, n)\ ++ SQUASHFS_MEMSET(s, d, n);\ ++ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\ ++ SQUASHFS_SWAP((s)->mode, d, 4, 12);\ ++ SQUASHFS_SWAP((s)->uid, d, 16, 8);\ ++ SQUASHFS_SWAP((s)->guid, d, 24, 8);\ ++ ++#define SQUASHFS_SWAP_BASE_INODE_HEADER_2(s, d, n) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, n)\ ++} ++ ++#define SQUASHFS_SWAP_IPC_INODE_HEADER_2(s, d) \ ++ SQUASHFS_SWAP_BASE_INODE_HEADER_2(s, d, sizeof(struct squashfs_ipc_inode_header_2)) ++ ++#define SQUASHFS_SWAP_DEV_INODE_HEADER_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \ ++ sizeof(struct squashfs_dev_inode_header_2)); \ ++ SQUASHFS_SWAP((s)->rdev, d, 32, 16);\ ++} ++ ++#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \ ++ sizeof(struct squashfs_symlink_inode_header_2));\ ++ SQUASHFS_SWAP((s)->symlink_size, d, 32, 16);\ ++} ++ ++#define SQUASHFS_SWAP_REG_INODE_HEADER_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \ ++ sizeof(struct squashfs_reg_inode_header_2));\ ++ SQUASHFS_SWAP((s)->mtime, d, 32, 32);\ ++ SQUASHFS_SWAP((s)->start_block, d, 64, 32);\ ++ SQUASHFS_SWAP((s)->fragment, d, 96, 32);\ ++ SQUASHFS_SWAP((s)->offset, d, 128, 32);\ ++ SQUASHFS_SWAP((s)->file_size, d, 160, 32);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_INODE_HEADER_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \ ++ sizeof(struct squashfs_dir_inode_header_2));\ ++ SQUASHFS_SWAP((s)->file_size, d, 32, 19);\ ++ SQUASHFS_SWAP((s)->offset, d, 51, 13);\ ++ SQUASHFS_SWAP((s)->mtime, d, 64, 32);\ ++ SQUASHFS_SWAP((s)->start_block, d, 96, 24);\ ++} ++ ++#define SQUASHFS_SWAP_LDIR_INODE_HEADER_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \ ++ sizeof(struct squashfs_ldir_inode_header_2));\ ++ SQUASHFS_SWAP((s)->file_size, d, 32, 27);\ ++ SQUASHFS_SWAP((s)->offset, d, 59, 13);\ ++ SQUASHFS_SWAP((s)->mtime, d, 72, 32);\ ++ SQUASHFS_SWAP((s)->start_block, d, 104, 24);\ ++ SQUASHFS_SWAP((s)->i_count, d, 128, 16);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_INDEX_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_index_2));\ ++ SQUASHFS_SWAP((s)->index, d, 0, 27);\ ++ SQUASHFS_SWAP((s)->start_block, d, 27, 29);\ ++ SQUASHFS_SWAP((s)->size, d, 56, 8);\ ++} ++#define SQUASHFS_SWAP_DIR_HEADER_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_header_2));\ ++ SQUASHFS_SWAP((s)->count, d, 0, 8);\ ++ SQUASHFS_SWAP((s)->start_block, d, 8, 24);\ ++} ++ ++#define SQUASHFS_SWAP_DIR_ENTRY_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_entry_2));\ ++ SQUASHFS_SWAP((s)->offset, d, 0, 13);\ ++ SQUASHFS_SWAP((s)->type, d, 13, 3);\ ++ SQUASHFS_SWAP((s)->size, d, 16, 8);\ ++} ++ ++#define SQUASHFS_SWAP_FRAGMENT_ENTRY_2(s, d) {\ ++ SQUASHFS_SWAP_START\ ++ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_fragment_entry_2));\ ++ SQUASHFS_SWAP((s)->start_block, d, 0, 32);\ ++ SQUASHFS_SWAP((s)->size, d, 32, 32);\ ++} ++ ++#define SQUASHFS_SWAP_FRAGMENT_INDEXES_2(s, d, n) SQUASHFS_SWAP_INTS(s, d, n) ++ ++/* fragment and fragment table defines */ ++#define SQUASHFS_FRAGMENT_BYTES_2(A) (A * sizeof(struct squashfs_fragment_entry_2)) ++ ++#define SQUASHFS_FRAGMENT_INDEX_2(A) (SQUASHFS_FRAGMENT_BYTES_2(A) / \ ++ SQUASHFS_METADATA_SIZE) ++ ++#define SQUASHFS_FRAGMENT_INDEX_OFFSET_2(A) (SQUASHFS_FRAGMENT_BYTES_2(A) % \ ++ SQUASHFS_METADATA_SIZE) ++ ++#define SQUASHFS_FRAGMENT_INDEXES_2(A) ((SQUASHFS_FRAGMENT_BYTES_2(A) + \ ++ SQUASHFS_METADATA_SIZE - 1) / \ ++ SQUASHFS_METADATA_SIZE) ++ ++#define SQUASHFS_FRAGMENT_INDEX_BYTES_2(A) (SQUASHFS_FRAGMENT_INDEXES_2(A) *\ ++ sizeof(int)) ++ ++#endif ++ ++#ifdef __KERNEL__ ++ ++/* ++ * macros used to swap each structure entry, taking into account ++ * bitfields and different bitfield placing conventions on differing ++ * architectures ++ */ ++ ++#include <asm/byteorder.h> ++ ++#ifdef __BIG_ENDIAN ++ /* convert from little endian to big endian */ ++#define SQUASHFS_SWAP(value, p, pos, tbits) _SQUASHFS_SWAP(value, p, pos, \ ++ tbits, b_pos) ++#else ++ /* convert from big endian to little endian */ ++#define SQUASHFS_SWAP(value, p, pos, tbits) _SQUASHFS_SWAP(value, p, pos, \ ++ tbits, 64 - tbits - b_pos) ++#endif ++ ++#define _SQUASHFS_SWAP(value, p, pos, tbits, SHIFT) {\ ++ b_pos = pos % 8;\ ++ val = 0;\ ++ s = (unsigned char *)p + (pos / 8);\ ++ d = ((unsigned char *) &val) + 7;\ ++ for(bits = 0; bits < (tbits + b_pos); bits += 8) \ ++ *d-- = *s++;\ ++ value = (val >> (SHIFT))/* & ((1 << tbits) - 1)*/;\ ++} ++ ++#define SQUASHFS_MEMSET(s, d, n) memset(s, 0, n); ++ ++#endif ++#endif +diff --new-file -urp linux-2.6.18/include/linux/squashfs_fs_i.h linux-2.6.18-squashfs3.1/include/linux/squashfs_fs_i.h +--- linux-2.6.18/include/linux/squashfs_fs_i.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/include/linux/squashfs_fs_i.h 2006-08-21 00:13:19.000000000 +0100 +@@ -0,0 +1,45 @@ ++#ifndef SQUASHFS_FS_I ++#define SQUASHFS_FS_I ++/* ++ * Squashfs ++ * ++ * Copyright (c) 2002, 2003, 2004, 2005, 2006 ++ * Phillip Lougher <phillip@lougher.org.uk> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2, ++ * or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * squashfs_fs_i.h ++ */ ++ ++struct squashfs_inode_info { ++ long long start_block; ++ unsigned int offset; ++ union { ++ struct { ++ long long fragment_start_block; ++ unsigned int fragment_size; ++ unsigned int fragment_offset; ++ long long block_list_start; ++ } s1; ++ struct { ++ long long directory_index_start; ++ unsigned int directory_index_offset; ++ unsigned int directory_index_count; ++ unsigned int parent_inode; ++ } s2; ++ } u; ++ struct inode vfs_inode; ++}; ++#endif +diff --new-file -urp linux-2.6.18/include/linux/squashfs_fs_sb.h linux-2.6.18-squashfs3.1/include/linux/squashfs_fs_sb.h +--- linux-2.6.18/include/linux/squashfs_fs_sb.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/include/linux/squashfs_fs_sb.h 2006-08-21 00:16:48.000000000 +0100 +@@ -0,0 +1,75 @@ ++#ifndef SQUASHFS_FS_SB ++#define SQUASHFS_FS_SB ++/* ++ * Squashfs ++ * ++ * Copyright (c) 2002, 2003, 2004, 2005, 2006 ++ * Phillip Lougher <phillip@lougher.org.uk> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2, ++ * or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * squashfs_fs_sb.h ++ */ ++ ++#include <linux/squashfs_fs.h> ++ ++struct squashfs_cache { ++ long long block; ++ int length; ++ long long next_index; ++ char *data; ++}; ++ ++struct squashfs_fragment_cache { ++ long long block; ++ int length; ++ unsigned int locked; ++ char *data; ++}; ++ ++struct squashfs_sb_info { ++ struct squashfs_super_block sblk; ++ int devblksize; ++ int devblksize_log2; ++ int swap; ++ struct squashfs_cache *block_cache; ++ struct squashfs_fragment_cache *fragment; ++ int next_cache; ++ int next_fragment; ++ int next_meta_index; ++ unsigned int *uid; ++ unsigned int *guid; ++ long long *fragment_index; ++ unsigned int *fragment_index_2; ++ unsigned int read_size; ++ char *read_data; ++ char *read_page; ++ struct semaphore read_data_mutex; ++ struct semaphore read_page_mutex; ++ struct semaphore block_cache_mutex; ++ struct semaphore fragment_mutex; ++ struct semaphore meta_index_mutex; ++ wait_queue_head_t waitq; ++ wait_queue_head_t fragment_wait_queue; ++ struct meta_index *meta_index; ++ z_stream stream; ++ struct inode *(*iget)(struct super_block *s, squashfs_inode_t ++ inode); ++ long long (*read_blocklist)(struct inode *inode, int ++ index, int readahead_blks, char *block_list, ++ unsigned short **block_p, unsigned int *bsize); ++ int (*read_fragment_index_table)(struct super_block *s); ++}; ++#endif +diff --new-file -urp linux-2.6.18/init/do_mounts_rd.c linux-2.6.18-squashfs3.1/init/do_mounts_rd.c +--- linux-2.6.18/init/do_mounts_rd.c 2006-08-11 00:03:15.000000000 +0100 ++++ linux-2.6.18-squashfs3.1/init/do_mounts_rd.c 2006-08-21 00:13:19.000000000 +0100 +@@ -5,6 +5,7 @@ + #include <linux/ext2_fs.h> + #include <linux/romfs_fs.h> + #include <linux/cramfs_fs.h> ++#include <linux/squashfs_fs.h> + #include <linux/initrd.h> + #include <linux/string.h> + +@@ -39,6 +40,7 @@ static int __init crd_load(int in_fd, in + * numbers could not be found. + * + * We currently check for the following magic numbers: ++ * squashfs + * minix + * ext2 + * romfs +@@ -53,6 +55,7 @@ identify_ramdisk_image(int fd, int start + struct ext2_super_block *ext2sb; + struct romfs_super_block *romfsb; + struct cramfs_super *cramfsb; ++ struct squashfs_super_block *squashfsb; + int nblocks = -1; + unsigned char *buf; + +@@ -64,6 +67,7 @@ identify_ramdisk_image(int fd, int start + ext2sb = (struct ext2_super_block *) buf; + romfsb = (struct romfs_super_block *) buf; + cramfsb = (struct cramfs_super *) buf; ++ squashfsb = (struct squashfs_super_block *) buf; + memset(buf, 0xe5, size); + + /* +@@ -101,6 +105,18 @@ identify_ramdisk_image(int fd, int start + goto done; + } + ++ /* squashfs is at block zero too */ ++ if (squashfsb->s_magic == SQUASHFS_MAGIC) { ++ printk(KERN_NOTICE ++ "RAMDISK: squashfs filesystem found at block %d\n", ++ start_block); ++ if (squashfsb->s_major < 3) ++ nblocks = (squashfsb->bytes_used_2+BLOCK_SIZE-1)>>BLOCK_SIZE_BITS; ++ else ++ nblocks = (squashfsb->bytes_used+BLOCK_SIZE-1)>>BLOCK_SIZE_BITS; ++ goto done; ++ } ++ + /* + * Read block 1 to test for minix and ext2 superblock + */ |