litmus-rt.git - The LITMUS^RT kernel.

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author	Linus Torvalds <torvalds@woody.linux-foundation.org>	2007-10-23 15:04:01 -0400
committer	Linus Torvalds <torvalds@woody.linux-foundation.org>	2007-10-23 15:04:01 -0400
commit	01e7ae8c13bb06a2ce622ebace33bb7e28ef596c (patch)
tree	3dcaf08b5268e1602c6e6bc85870ebbc2f927856 /include/linux/virtio_9p.h
parent	117636092a87a28a013a4acb5de5492645ed620f (diff)
parent	22150c4f0f02619c256f35db2f1ec912549b4ca5 (diff)

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: v9fs_vfs_rename incorrect clunk order 9p: fix memleak in fs/9p/v9fs.c 9p: add virtio transport

Diffstat (limited to 'include/linux/virtio_9p.h')

-rw-r--r--

include/linux/virtio_9p.h

1 files changed, 10 insertions, 0 deletions


diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h new file mode 100644 index 000000000000..8eff0b53910b --- /dev/null +++ b/include/linux/virtio_9p.h
@@ -0,0 +1,10 @@
	1	#ifndef _LINUX_VIRTIO_9P_H
	2	#define _LINUX_VIRTIO_9P_H
	3	#include <linux/virtio_config.h>
	4
	5	/* The ID for virtio console */
	6	#define VIRTIO_ID_9P 9
	7	/* Maximum number of virtio channels per partition (1 for now) */
	8	#define MAX_9P_CHAN 1
	9
	10	#endif /* _LINUX_VIRTIO_9P_H */

/* * HP WatchDog Driver * based on * * SoftDog 0.05: A Software Watchdog Device * * (c) Copyright 2007 Hewlett-Packard Development Company, L.P. * Thomas Mingarelli <thomas.mingarelli@hp.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation * */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/device.h> #include <linux/fs.h> #include <linux/init.h> #include <linux/io.h> #include <linux/bitops.h> #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/types.h> #include <linux/uaccess.h> #include <linux/watchdog.h> #ifdef CONFIG_HPWDT_NMI_DECODING #include <linux/dmi.h> #include <linux/spinlock.h> #include <linux/nmi.h> #include <linux/kdebug.h> #include <linux/notifier.h> #include <asm/cacheflush.h> #endif /* CONFIG_HPWDT_NMI_DECODING */ #include <asm/nmi.h> #define HPWDT_VERSION "1.3.2" #define SECS_TO_TICKS(secs) ((secs) * 1000 / 128) #define TICKS_TO_SECS(ticks) ((ticks) * 128 / 1000) #define HPWDT_MAX_TIMER TICKS_TO_SECS(65535) #define DEFAULT_MARGIN 30 static unsigned int soft_margin = DEFAULT_MARGIN; /* in seconds */ static unsigned int reload; /* the computed soft_margin */ static bool nowayout = WATCHDOG_NOWAYOUT; static char expect_release; static unsigned long hpwdt_is_open; static void __iomem *pci_mem_addr; /* the PCI-memory address */ static unsigned long __iomem *hpwdt_timer_reg; static unsigned long __iomem *hpwdt_timer_con; static DEFINE_PCI_DEVICE_TABLE(hpwdt_devices) = { { PCI_DEVICE(PCI_VENDOR_ID_COMPAQ, 0xB203) }, /* iLO2 */ { PCI_DEVICE(PCI_VENDOR_ID_HP, 0x3306) }, /* iLO3 */ {0}, /* terminate list */ }; MODULE_DEVICE_TABLE(pci, hpwdt_devices); #ifdef CONFIG_HPWDT_NMI_DECODING #define PCI_BIOS32_SD_VALUE 0x5F32335F /* "_32_" */ #define CRU_BIOS_SIGNATURE_VALUE 0x55524324 #define PCI_BIOS32_PARAGRAPH_LEN 16 #define PCI_ROM_BASE1 0x000F0000 #define ROM_SIZE 0x10000 struct bios32_service_dir { u32 signature; u32 entry_point; u8 revision; u8 length; u8 checksum; u8 reserved[5]; }; /* type 212 */ struct smbios_cru64_info { u8 type; u8 byte_length; u16 handle; u32 signature; u64 physical_address; u32 double_length; u32 double_offset; }; #define SMBIOS_CRU64_INFORMATION 212 /* type 219 */ struct smbios_proliant_info { u8 type; u8 byte_length; u16 handle; u32 power_features; u32 omega_features; u32 reserved; u32 misc_features; }; #define SMBIOS_ICRU_INFORMATION 219 struct cmn_registers { union { struct { u8 ral; u8 rah; u16 rea2; }; u32 reax; } u1; union { struct { u8 rbl; u8 rbh; u8 reb2l; u8 reb2h; }; u32 rebx; } u2; union { struct { u8 rcl; u8 rch; u16 rec2; }; u32 recx; } u3; union { struct { u8 rdl; u8 rdh; u16 red2; }; u32 redx; } u4; u32 resi; u32 redi; u16 rds; u16 res; u32 reflags; } __attribute__((packed)); static unsigned int hpwdt_nmi_decoding; static unsigned int allow_kdump = 1; static unsigned int is_icru; static unsigned int is_uefi; static DEFINE_SPINLOCK(rom_lock); static void *cru_rom_addr; static struct cmn_registers cmn_regs; extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs, unsigned long *pRomEntry); #ifdef CONFIG_X86_32 /* --32 Bit Bios------------------------------------------------------------ */ #define HPWDT_ARCH 32 asm(".text \n\t" ".align 4 \n\t" ".globl asminline_call \n" "asminline_call: \n\t" "pushl %ebp \n\t" "movl %esp, %ebp \n\t" "pusha \n\t" "pushf \n\t" "push %es \n\t" "push %ds \n\t" "pop %es \n\t" "movl 8(%ebp),%eax \n\t" "movl 4(%eax),%ebx \n\t" "movl 8(%eax),%ecx \n\t" "movl 12(%eax),%edx \n\t" "movl 16(%eax),%esi \n\t" "movl 20(%eax),%edi \n\t" "movl (%eax),%eax \n\t" "push %cs \n\t" "call *12(%ebp) \n\t" "pushf \n\t" "pushl %eax \n\t" "movl 8(%ebp),%eax \n\t" "movl %ebx,4(%eax) \n\t" "movl %ecx,8(%eax) \n\t" "movl %edx,12(%eax) \n\t" "movl %esi,16(%eax) \n\t" "movl %edi,20(%eax) \n\t" "movw %ds,24(%eax) \n\t" "movw %es,26(%eax) \n\t" "popl %ebx \n\t" "movl %ebx,(%eax) \n\t" "popl %ebx \n\t" "movl %ebx,28(%eax) \n\t" "pop %es \n\t" "popf \n\t" "popa \n\t" "leave \n\t" "ret \n\t" ".previous"); /* * cru_detect * * Routine Description: * This function uses the 32-bit BIOS Service Directory record to * search for a $CRU record. * * Return Value: * 0 : SUCCESS * <0 : FAILURE */ static int cru_detect(unsigned long map_entry, unsigned long map_offset) { void *bios32_map; unsigned long *bios32_entrypoint; unsigned long cru_physical_address; unsigned long cru_length; unsigned long physical_bios_base = 0; unsigned long physical_bios_offset = 0; int retval = -ENODEV; bios32_map = ioremap(map_entry, (2 * PAGE_SIZE)); if (bios32_map == NULL) return -ENODEV; bios32_entrypoint = bios32_map + map_offset; cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE; set_memory_x((unsigned long)bios32_map, 2); asminline_call(&cmn_regs, bios32_entrypoint); if (cmn_regs.u1.ral != 0) { pr_warn("Call succeeded but with an error: 0x%x\n", cmn_regs.u1.ral); } else { physical_bios_base = cmn_regs.u2.rebx; physical_bios_offset = cmn_regs.u4.redx; cru_length = cmn_regs.u3.recx; cru_physical_address = physical_bios_base + physical_bios_offset; /* If the values look OK, then map it in. */ if ((physical_bios_base + physical_bios_offset)) { cru_rom_addr = ioremap(cru_physical_address, cru_length); if (cru_rom_addr) { set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK, (cru_length + PAGE_SIZE - 1) >> PAGE_SHIFT); retval = 0; } } pr_debug("CRU Base Address: 0x%lx\n", physical_bios_base); pr_debug("CRU Offset Address: 0x%lx\n", physical_bios_offset); pr_debug("CRU Length: 0x%lx\n", cru_length); pr_debug("CRU Mapped Address: %p\n", &cru_rom_addr); } iounmap(bios32_map); return retval; } /* * bios_checksum */ static int bios_checksum(const char __iomem *ptr, int len) { char sum = 0; int i; /* * calculate checksum of size bytes. This should add up * to zero if we have a valid header. */ for (i = 0; i < len; i++) sum += ptr[i]; return ((sum == 0) && (len > 0)); } /* * bios32_present * * Routine Description: * This function finds the 32-bit BIOS Service Directory * * Return Value: * 0 : SUCCESS * <0 : FAILURE */ static int bios32_present(const char __iomem *p) { struct bios32_service_dir *bios_32_ptr; int length; unsigned long map_entry, map_offset; bios_32_ptr = (struct bios32_service_dir *) p; /* * Search for signature by checking equal to the swizzled value * instead of calling another routine to perform a strcmp. */ if (bios_32_ptr->signature == PCI_BIOS32_SD_VALUE) { length = bios_32_ptr->length * PCI_BIOS32_PARAGRAPH_LEN; if (bios_checksum(p, length)) { /* * According to the spec, we're looking for the * first 4KB-aligned address below the entrypoint * listed in the header. The Service Directory code * is guaranteed to occupy no more than 2 4KB pages. */ map_entry = bios_32_ptr->entry_point & ~(PAGE_SIZE - 1); map_offset = bios_32_ptr->entry_point - map_entry; return cru_detect(map_entry, map_offset); } } return -ENODEV; } static int detect_cru_service(void) { char __iomem *p, *q;


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