disk: partitions: add EFI GUID Partition Table
form linux 3.8
so you can have part by num or name
not by GUID as this is a non human reading name
`---- ffe08000.sata
`---- 0x00000000-0x3fffffff: /dev/ata0
`---- 0x00100000-0x063fffff: /dev/ata0.0
`---- 0x00100000-0x063fffff: /dev/ata0.boot
`---- 0x06400000-0x3fefffff: /dev/ata0.1
`---- 0x06400000-0x3fefffff: /dev/ata0.linux
Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD
Sascha Hauer
parent
86b3577a72
commit
760689e5cc
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@ -11,3 +11,22 @@ config PARTITION_DISK_DOS
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bool "DOS partition support"
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help
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Add support to handle partitions in DOS style.
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config PARTITION_DISK_EFI
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depends on PARTITION_DISK
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select CRC32
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bool "EFI: GPT partition support"
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help
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Add support to handle partitions in GUID Partition Table style.
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config PARTITION_DISK_EFI_GPT_NO_FORCE
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depends on PARTITION_DISK_EFI
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default y
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bool "EFI: GPT: force test Protective MBR for validity"
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help
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This will be added to the EFI Spec. per Intel after v1.02
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config PARTITION_DISK_EFI_GPT_COMPARE
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depends on PARTITION_DISK_EFI
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default y
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bool "EFI: GPT: compare primary and Alternate GPT header for validity"
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@ -1 +1,2 @@
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obj-$(CONFIG_PARTITION_DISK_DOS) += dos.o
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obj-$(CONFIG_PARTITION_DISK_EFI) += efi.o
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@ -0,0 +1,477 @@
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/************************************************************
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* EFI GUID Partition Table handling
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*
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* http://www.uefi.org/specs/
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* http://www.intel.com/technology/efi/
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*
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* efi.[ch] by Matt Domsch <Matt_Domsch@dell.com>
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* Copyright 2000,2001,2002,2004 Dell Inc.
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*
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* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* Under GPLv2 only
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*/
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#include <common.h>
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#include <disks.h>
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#include <init.h>
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#include <asm/unaligned.h>
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#include <dma.h>
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#include <linux/ctype.h>
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#include "efi.h"
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#include "parser.h"
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static int force_gpt = IS_ENABLED(CONFIG_PARTITION_DISK_EFI_GPT_NO_FORCE);
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/**
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* efi_crc32() - EFI version of crc32 function
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* @buf: buffer to calculate crc32 of
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* @len - length of buf
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*
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* Description: Returns EFI-style CRC32 value for @buf
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*
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* This function uses the little endian Ethernet polynomial
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* but seeds the function with ~0, and xor's with ~0 at the end.
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* Note, the EFI Specification, v1.02, has a reference to
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* Dr. Dobbs Journal, May 1994 (actually it's in May 1992).
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*/
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static inline u32
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efi_crc32(const void *buf, unsigned long len)
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{
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return crc32(0, buf, len);
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}
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/**
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* last_lba(): return number of last logical block of device
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* @bdev: block device
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*
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* Description: Returns last LBA value on success, 0 on error.
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* This is stored (by sd and ide-geometry) in
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* the part[0] entry for this disk, and is the number of
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* physical sectors available on the disk.
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*/
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static u64 last_lba(struct block_device *bdev)
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{
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if (!bdev)
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return 0;
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return bdev->num_blocks;
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}
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/**
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* alloc_read_gpt_entries(): reads partition entries from disk
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* @dev_desc
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* @gpt - GPT header
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*
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* Description: Returns ptes on success, NULL on error.
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* Allocates space for PTEs based on information found in @gpt.
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* Notes: remember to free pte when you're done!
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*/
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static gpt_entry *alloc_read_gpt_entries(struct block_device *blk,
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gpt_header * pgpt_head)
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{
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size_t count = 0;
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gpt_entry *pte = NULL;
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unsigned long from, size;
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int ret;
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count = le32_to_cpu(pgpt_head->num_partition_entries) *
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le32_to_cpu(pgpt_head->sizeof_partition_entry);
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if (!count)
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return NULL;
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pte = kzalloc(count, GFP_KERNEL);
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if (!pte)
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return NULL;
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from = le64_to_cpu(pgpt_head->partition_entry_lba);
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size = count / GPT_BLOCK_SIZE;
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ret = blk->ops->read(blk, pte, from, size);
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if (ret) {
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kfree(pte);
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pte=NULL;
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return NULL;
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}
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return pte;
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}
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static inline unsigned short bdev_logical_block_size(struct block_device
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*bdev)
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{
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return SECTOR_SIZE;
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}
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/**
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* alloc_read_gpt_header(): Allocates GPT header, reads into it from disk
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* @state
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* @lba is the Logical Block Address of the partition table
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*
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* Description: returns GPT header on success, NULL on error. Allocates
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* and fills a GPT header starting at @ from @state->bdev.
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* Note: remember to free gpt when finished with it.
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*/
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static gpt_header *alloc_read_gpt_header(struct block_device *blk,
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u64 lba)
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{
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gpt_header *gpt;
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unsigned ssz = bdev_logical_block_size(blk);
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int ret;
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gpt = kzalloc(ssz, GFP_KERNEL);
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if (!gpt)
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return NULL;
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ret = blk->ops->read(blk, gpt, lba, 1);
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if (ret) {
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kfree(gpt);
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gpt=NULL;
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return NULL;
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}
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return gpt;
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}
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/**
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* is_gpt_valid() - tests one GPT header and PTEs for validity
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*
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* lba is the logical block address of the GPT header to test
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* gpt is a GPT header ptr, filled on return.
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* ptes is a PTEs ptr, filled on return.
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*
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* Description: returns 1 if valid, 0 on error.
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* If valid, returns pointers to PTEs.
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*/
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static int is_gpt_valid(struct block_device *blk, u64 lba,
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gpt_header **gpt, gpt_entry **ptes)
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{
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u32 crc, origcrc;
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u64 lastlba;
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if (!ptes)
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return 0;
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if (!(*gpt = alloc_read_gpt_header(blk, lba)))
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return 0;
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/* Check the GPT header signature */
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if (le64_to_cpu((*gpt)->signature) != GPT_HEADER_SIGNATURE) {
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dev_dbg(blk->dev, "GUID Partition Table Header signature is wrong:"
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"0x%llX != 0x%llX\n",
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(unsigned long long)le64_to_cpu((*gpt)->signature),
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(unsigned long long)GPT_HEADER_SIGNATURE);
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goto fail;
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}
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/* Check the GUID Partition Table CRC */
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origcrc = le32_to_cpu((*gpt)->header_crc32);
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(*gpt)->header_crc32 = 0;
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crc = efi_crc32((const unsigned char *) (*gpt), le32_to_cpu((*gpt)->header_size));
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if (crc != origcrc) {
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dev_dbg(blk->dev, "GUID Partition Table Header CRC is wrong: %x != %x\n",
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crc, origcrc);
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goto fail;
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}
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(*gpt)->header_crc32 = cpu_to_le32(origcrc);
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/* Check that the my_lba entry points to the LBA that contains
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* the GUID Partition Table */
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if (le64_to_cpu((*gpt)->my_lba) != lba) {
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dev_dbg(blk->dev, "GPT: my_lba incorrect: %llX != %llX\n",
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(unsigned long long)le64_to_cpu((*gpt)->my_lba),
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(unsigned long long)lba);
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goto fail;
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}
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/* Check the first_usable_lba and last_usable_lba are within the disk. */
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lastlba = last_lba(blk);
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if (le64_to_cpu((*gpt)->first_usable_lba) > lastlba) {
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dev_dbg(blk->dev, "GPT: first_usable_lba incorrect: %lld > %lld\n",
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(unsigned long long)le64_to_cpu((*gpt)->first_usable_lba),
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(unsigned long long)lastlba);
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goto fail;
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}
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if (le64_to_cpu((*gpt)->last_usable_lba) > lastlba) {
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dev_dbg(blk->dev, "GPT: last_usable_lba incorrect: %lld > %lld\n",
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(unsigned long long)le64_to_cpu((*gpt)->last_usable_lba),
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(unsigned long long)lastlba);
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goto fail;
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}
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if (!(*ptes = alloc_read_gpt_entries(blk, *gpt)))
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goto fail;
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/* Check the GUID Partition Table Entry Array CRC */
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crc = efi_crc32((const unsigned char *)*ptes,
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le32_to_cpu((*gpt)->num_partition_entries) *
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le32_to_cpu((*gpt)->sizeof_partition_entry));
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if (crc != le32_to_cpu((*gpt)->partition_entry_array_crc32)) {
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dev_dbg(blk->dev, "GUID Partitition Entry Array CRC check failed.\n");
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goto fail_ptes;
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}
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/* We're done, all's well */
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return 1;
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fail_ptes:
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kfree(*ptes);
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*ptes = NULL;
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fail:
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kfree(*gpt);
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*gpt = NULL;
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return 0;
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}
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/**
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* is_pte_valid() - tests one PTE for validity
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* @pte is the pte to check
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* @lastlba is last lba of the disk
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*
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* Description: returns 1 if valid, 0 on error.
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*/
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static inline int
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is_pte_valid(const gpt_entry *pte, const u64 lastlba)
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{
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if ((!efi_guidcmp(pte->partition_type_guid, NULL_GUID)) ||
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le64_to_cpu(pte->starting_lba) > lastlba ||
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le64_to_cpu(pte->ending_lba) > lastlba)
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return 0;
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return 1;
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}
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/**
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* compare_gpts() - Search disk for valid GPT headers and PTEs
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* @pgpt is the primary GPT header
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* @agpt is the alternate GPT header
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* @lastlba is the last LBA number
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* Description: Returns nothing. Sanity checks pgpt and agpt fields
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* and prints warnings on discrepancies.
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*
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*/
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static void
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compare_gpts(struct device_d *dev, gpt_header *pgpt, gpt_header *agpt, u64 lastlba)
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{
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int error_found = 0;
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if (!pgpt || !agpt)
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return;
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if (le64_to_cpu(pgpt->my_lba) != le64_to_cpu(agpt->alternate_lba)) {
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dev_warn(dev,
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"GPT:Primary header LBA != Alt. header alternate_lba\n");
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dev_warn(dev, "GPT:%lld != %lld\n",
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(unsigned long long)le64_to_cpu(pgpt->my_lba),
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(unsigned long long)le64_to_cpu(agpt->alternate_lba));
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error_found++;
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}
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if (le64_to_cpu(pgpt->alternate_lba) != le64_to_cpu(agpt->my_lba)) {
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dev_warn(dev,
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"GPT:Primary header alternate_lba != Alt. header my_lba\n");
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dev_warn(dev, "GPT:%lld != %lld\n",
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(unsigned long long)le64_to_cpu(pgpt->alternate_lba),
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(unsigned long long)le64_to_cpu(agpt->my_lba));
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error_found++;
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}
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if (le64_to_cpu(pgpt->first_usable_lba) !=
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le64_to_cpu(agpt->first_usable_lba)) {
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dev_warn(dev, "GPT:first_usable_lbas don't match.\n");
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dev_warn(dev, "GPT:%lld != %lld\n",
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(unsigned long long)le64_to_cpu(pgpt->first_usable_lba),
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(unsigned long long)le64_to_cpu(agpt->first_usable_lba));
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error_found++;
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}
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if (le64_to_cpu(pgpt->last_usable_lba) !=
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le64_to_cpu(agpt->last_usable_lba)) {
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dev_warn(dev, "GPT:last_usable_lbas don't match.\n");
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dev_warn(dev, "GPT:%lld != %lld\n",
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(unsigned long long)le64_to_cpu(pgpt->last_usable_lba),
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(unsigned long long)le64_to_cpu(agpt->last_usable_lba));
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error_found++;
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}
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if (efi_guidcmp(pgpt->disk_guid, agpt->disk_guid)) {
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dev_warn(dev, "GPT:disk_guids don't match.\n");
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error_found++;
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}
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if (le32_to_cpu(pgpt->num_partition_entries) !=
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le32_to_cpu(agpt->num_partition_entries)) {
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dev_warn(dev, "GPT:num_partition_entries don't match: "
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"0x%x != 0x%x\n",
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le32_to_cpu(pgpt->num_partition_entries),
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le32_to_cpu(agpt->num_partition_entries));
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error_found++;
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}
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if (le32_to_cpu(pgpt->sizeof_partition_entry) !=
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le32_to_cpu(agpt->sizeof_partition_entry)) {
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dev_warn(dev,
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"GPT:sizeof_partition_entry values don't match: "
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"0x%x != 0x%x\n",
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le32_to_cpu(pgpt->sizeof_partition_entry),
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le32_to_cpu(agpt->sizeof_partition_entry));
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error_found++;
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}
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if (le32_to_cpu(pgpt->partition_entry_array_crc32) !=
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le32_to_cpu(agpt->partition_entry_array_crc32)) {
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dev_warn(dev,
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"GPT:partition_entry_array_crc32 values don't match: "
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"0x%x != 0x%x\n",
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le32_to_cpu(pgpt->partition_entry_array_crc32),
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le32_to_cpu(agpt->partition_entry_array_crc32));
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error_found++;
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}
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if (le64_to_cpu(pgpt->alternate_lba) != lastlba) {
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dev_warn(dev,
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"GPT:Primary header thinks Alt. header is not at the end of the disk.\n");
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dev_warn(dev, "GPT:%lld != %lld\n",
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(unsigned long long)le64_to_cpu(pgpt->alternate_lba),
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(unsigned long long)lastlba);
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error_found++;
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}
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if (le64_to_cpu(agpt->my_lba) != lastlba) {
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dev_warn(dev,
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"GPT:Alternate GPT header not at the end of the disk.\n");
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dev_warn(dev, "GPT:%lld != %lld\n",
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(unsigned long long)le64_to_cpu(agpt->my_lba),
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(unsigned long long)lastlba);
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error_found++;
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}
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if (error_found)
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dev_warn(dev, "GPT: Use GNU Parted to correct GPT errors.\n");
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return;
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}
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/**
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* find_valid_gpt() - Search disk for valid GPT headers and PTEs
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* @state
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* @gpt is a GPT header ptr, filled on return.
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* @ptes is a PTEs ptr, filled on return.
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* Description: Returns 1 if valid, 0 on error.
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* If valid, returns pointers to newly allocated GPT header and PTEs.
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* Validity depends on PMBR being valid (or being overridden by the
|
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* 'gpt' kernel command line option) and finding either the Primary
|
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* GPT header and PTEs valid, or the Alternate GPT header and PTEs
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* valid. If the Primary GPT header is not valid, the Alternate GPT header
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* is not checked unless the 'gpt' kernel command line option is passed.
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* This protects against devices which misreport their size, and forces
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* the user to decide to use the Alternate GPT.
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*/
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static int find_valid_gpt(void *buf, struct block_device *blk, gpt_header **gpt,
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gpt_entry **ptes)
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{
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int good_pgpt = 0, good_agpt = 0;
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gpt_header *pgpt = NULL, *agpt = NULL;
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gpt_entry *pptes = NULL, *aptes = NULL;
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u64 lastlba;
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if (!ptes)
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return 0;
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lastlba = last_lba(blk);
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if (force_gpt) {
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/* This will be added to the EFI Spec. per Intel after v1.02. */
|
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if (file_detect_type(buf, SECTOR_SIZE * 2) != filetype_gpt)
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goto fail;
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}
|
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|
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good_pgpt = is_gpt_valid(blk, GPT_PRIMARY_PARTITION_TABLE_LBA,
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&pgpt, &pptes);
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if (good_pgpt)
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good_agpt = is_gpt_valid(blk,
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le64_to_cpu(pgpt->alternate_lba),
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&agpt, &aptes);
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if (!good_agpt && force_gpt)
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good_agpt = is_gpt_valid(blk, lastlba, &agpt, &aptes);
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/* The obviously unsuccessful case */
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if (!good_pgpt && !good_agpt)
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goto fail;
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|
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if (IS_ENABLED(CONFIG_PARTITION_DISK_EFI_GPT_COMPARE))
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compare_gpts(blk->dev, pgpt, agpt, lastlba);
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/* The good cases */
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if (good_pgpt) {
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*gpt = pgpt;
|
||||
*ptes = pptes;
|
||||
kfree(agpt);
|
||||
kfree(aptes);
|
||||
if (!good_agpt)
|
||||
dev_warn(blk->dev, "Alternate GPT is invalid, using primary GPT.\n");
|
||||
return 1;
|
||||
}
|
||||
else if (good_agpt) {
|
||||
*gpt = agpt;
|
||||
*ptes = aptes;
|
||||
kfree(pgpt);
|
||||
kfree(pptes);
|
||||
dev_warn(blk->dev, "Primary GPT is invalid, using alternate GPT.\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
fail:
|
||||
kfree(pgpt);
|
||||
kfree(agpt);
|
||||
kfree(pptes);
|
||||
kfree(aptes);
|
||||
*gpt = NULL;
|
||||
*ptes = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void part_set_efi_name(gpt_entry *pte, char *dest)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < GPT_PARTNAME_MAX_SIZE ; i++) {
|
||||
u8 c;
|
||||
c = pte->partition_name[i] & 0xff;
|
||||
c = (c && !isprint(c)) ? '.' : c;
|
||||
dest[i] = c;
|
||||
}
|
||||
dest[i] = 0;
|
||||
}
|
||||
|
||||
static void efi_partition(void *buf, struct block_device *blk,
|
||||
struct partition_desc *pd)
|
||||
{
|
||||
gpt_header *gpt = NULL;
|
||||
gpt_entry *ptes = NULL;
|
||||
int i = 0;
|
||||
int nb_part;
|
||||
struct partition *pentry;
|
||||
|
||||
if (!find_valid_gpt(buf, blk, &gpt, &ptes) || !gpt || !ptes) {
|
||||
kfree(gpt);
|
||||
kfree(ptes);
|
||||
return;
|
||||
}
|
||||
|
||||
nb_part = le32_to_cpu(gpt->num_partition_entries);
|
||||
for (i = 0; i < MAX_PARTITION && i < nb_part; i++) {
|
||||
if (!is_pte_valid(&ptes[i], last_lba(blk))) {
|
||||
dev_dbg(blk->dev, "Invalid pte %d\n", i);
|
||||
return;
|
||||
}
|
||||
|
||||
pentry = &pd->parts[pd->used_entries];
|
||||
pentry->first_sec = le64_to_cpu(ptes[i].starting_lba);
|
||||
pentry->size = le64_to_cpu(ptes[i].ending_lba) - pentry->first_sec;
|
||||
pentry->size++;
|
||||
part_set_efi_name(&ptes[i], pentry->name);
|
||||
pd->used_entries++;
|
||||
}
|
||||
|
||||
if (i > MAX_PARTITION)
|
||||
dev_warn(blk->dev, "num_partition_entries (%d) > max partition number (%d)\n",
|
||||
nb_part, MAX_PARTITION);
|
||||
}
|
||||
|
||||
static struct partition_parser efi_partition_parser = {
|
||||
.parse = efi_partition,
|
||||
.type = filetype_gpt,
|
||||
};
|
||||
|
||||
static int efi_partition_init(void)
|
||||
{
|
||||
return partition_parser_register(&efi_partition_parser);
|
||||
}
|
||||
postconsole_initcall(efi_partition_init);
|
||||
|
|
@ -0,0 +1,123 @@
|
|||
/************************************************************
|
||||
* EFI GUID Partition Table
|
||||
* Per Intel EFI Specification v1.02
|
||||
* http://developer.intel.com/technology/efi/efi.htm
|
||||
*
|
||||
* By Matt Domsch <Matt_Domsch@dell.com> Fri Sep 22 22:15:56 CDT 2000
|
||||
* Copyright 2000,2001 Dell Inc.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
************************************************************/
|
||||
|
||||
#ifndef FS_PART_EFI_H_INCLUDED
|
||||
#define FS_PART_EFI_H_INCLUDED
|
||||
|
||||
#include <linux/efi.h>
|
||||
|
||||
#define MSDOS_MBR_SIGNATURE 0xaa55
|
||||
#define EFI_PMBR_OSTYPE_EFI 0xEF
|
||||
#define EFI_PMBR_OSTYPE_EFI_GPT 0xEE
|
||||
|
||||
#define GPT_BLOCK_SIZE 512
|
||||
#define GPT_HEADER_SIGNATURE 0x5452415020494645ULL
|
||||
#define GPT_HEADER_REVISION_V1 0x00010000
|
||||
#define GPT_PRIMARY_PARTITION_TABLE_LBA 1
|
||||
|
||||
#define PARTITION_SYSTEM_GUID \
|
||||
EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \
|
||||
0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B)
|
||||
#define LEGACY_MBR_PARTITION_GUID \
|
||||
EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \
|
||||
0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F)
|
||||
#define PARTITION_MSFT_RESERVED_GUID \
|
||||
EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \
|
||||
0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE)
|
||||
#define PARTITION_BASIC_DATA_GUID \
|
||||
EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \
|
||||
0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7)
|
||||
#define PARTITION_LINUX_RAID_GUID \
|
||||
EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \
|
||||
0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e)
|
||||
#define PARTITION_LINUX_SWAP_GUID \
|
||||
EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \
|
||||
0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f)
|
||||
#define PARTITION_LINUX_LVM_GUID \
|
||||
EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \
|
||||
0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28)
|
||||
|
||||
/* based on linux/include/genhd.h */
|
||||
struct legacy_partition {
|
||||
unsigned char boot_ind; /* 0x80 - active */
|
||||
unsigned char head; /* starting head */
|
||||
unsigned char sector; /* starting sector */
|
||||
unsigned char cyl; /* starting cylinder */
|
||||
unsigned char sys_ind; /* What partition type */
|
||||
unsigned char end_head; /* end head */
|
||||
unsigned char end_sector; /* end sector */
|
||||
unsigned char end_cyl; /* end cylinder */
|
||||
__le32 start_sect; /* starting sector counting from 0 */
|
||||
__le32 nr_sects; /* nr of sectors in partition */
|
||||
} __attribute__ ((packed));
|
||||
|
||||
/* based on linux/fs/partitions/efi.h */
|
||||
typedef struct _gpt_header {
|
||||
__le64 signature;
|
||||
__le32 revision;
|
||||
__le32 header_size;
|
||||
__le32 header_crc32;
|
||||
__le32 reserved1;
|
||||
__le64 my_lba;
|
||||
__le64 alternate_lba;
|
||||
__le64 first_usable_lba;
|
||||
__le64 last_usable_lba;
|
||||
efi_guid_t disk_guid;
|
||||
__le64 partition_entry_lba;
|
||||
__le32 num_partition_entries;
|
||||
__le32 sizeof_partition_entry;
|
||||
__le32 partition_entry_array_crc32;
|
||||
|
||||
/* The rest of the logical block is reserved by UEFI and must be zero.
|
||||
* EFI standard handles this by:
|
||||
*
|
||||
* uint8_t reserved2[ BlockSize - 92 ];
|
||||
*/
|
||||
} __attribute__ ((packed)) gpt_header;
|
||||
|
||||
typedef struct _gpt_entry_attributes {
|
||||
u64 required_to_function:1;
|
||||
u64 reserved:47;
|
||||
u64 type_guid_specific:16;
|
||||
} __attribute__ ((packed)) gpt_entry_attributes;
|
||||
|
||||
#define GPT_PARTNAME_MAX_SIZE (72 / sizeof (efi_char16_t))
|
||||
typedef struct _gpt_entry {
|
||||
efi_guid_t partition_type_guid;
|
||||
efi_guid_t unique_partition_guid;
|
||||
__le64 starting_lba;
|
||||
__le64 ending_lba;
|
||||
gpt_entry_attributes attributes;
|
||||
efi_char16_t partition_name[GPT_PARTNAME_MAX_SIZE];
|
||||
} __attribute__ ((packed)) gpt_entry;
|
||||
|
||||
typedef struct _legacy_mbr {
|
||||
u8 boot_code[440];
|
||||
__le32 unique_mbr_signature;
|
||||
__le16 unknown;
|
||||
struct legacy_partition partition_record[4];
|
||||
__le16 signature;
|
||||
} __attribute__ ((packed)) legacy_mbr;
|
||||
|
||||
#endif /* _DISK_PART_EFI_H */
|
||||
|
|
@ -0,0 +1,547 @@
|
|||
#ifndef _LINUX_EFI_H
|
||||
#define _LINUX_EFI_H
|
||||
|
||||
/*
|
||||
* Extensible Firmware Interface
|
||||
* Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999
|
||||
*
|
||||
* Copyright (C) 1999 VA Linux Systems
|
||||
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
|
||||
* Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
|
||||
* David Mosberger-Tang <davidm@hpl.hp.com>
|
||||
* Stephane Eranian <eranian@hpl.hp.com>
|
||||
*/
|
||||
#include <linux/string.h>
|
||||
#include <linux/types.h>
|
||||
|
||||
#define EFI_SUCCESS 0
|
||||
#define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1)))
|
||||
#define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1)))
|
||||
#define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1)))
|
||||
#define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1)))
|
||||
#define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1)))
|
||||
#define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1)))
|
||||
|
||||
typedef unsigned long efi_status_t;
|
||||
typedef u8 efi_bool_t;
|
||||
typedef u16 efi_char16_t; /* UNICODE character */
|
||||
|
||||
|
||||
typedef struct {
|
||||
u8 b[16];
|
||||
} efi_guid_t;
|
||||
|
||||
#define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
|
||||
((efi_guid_t) \
|
||||
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
|
||||
(b) & 0xff, ((b) >> 8) & 0xff, \
|
||||
(c) & 0xff, ((c) >> 8) & 0xff, \
|
||||
(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
|
||||
|
||||
/*
|
||||
* Generic EFI table header
|
||||
*/
|
||||
typedef struct {
|
||||
u64 signature;
|
||||
u32 revision;
|
||||
u32 headersize;
|
||||
u32 crc32;
|
||||
u32 reserved;
|
||||
} efi_table_hdr_t;
|
||||
|
||||
/*
|
||||
* Memory map descriptor:
|
||||
*/
|
||||
|
||||
/* Memory types: */
|
||||
#define EFI_RESERVED_TYPE 0
|
||||
#define EFI_LOADER_CODE 1
|
||||
#define EFI_LOADER_DATA 2
|
||||
#define EFI_BOOT_SERVICES_CODE 3
|
||||
#define EFI_BOOT_SERVICES_DATA 4
|
||||
#define EFI_RUNTIME_SERVICES_CODE 5
|
||||
#define EFI_RUNTIME_SERVICES_DATA 6
|
||||
#define EFI_CONVENTIONAL_MEMORY 7
|
||||
#define EFI_UNUSABLE_MEMORY 8
|
||||
#define EFI_ACPI_RECLAIM_MEMORY 9
|
||||
#define EFI_ACPI_MEMORY_NVS 10
|
||||
#define EFI_MEMORY_MAPPED_IO 11
|
||||
#define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12
|
||||
#define EFI_PAL_CODE 13
|
||||
#define EFI_MAX_MEMORY_TYPE 14
|
||||
|
||||
/* Attribute values: */
|
||||
#define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */
|
||||
#define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */
|
||||
#define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */
|
||||
#define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */
|
||||
#define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */
|
||||
#define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */
|
||||
#define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */
|
||||
#define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */
|
||||
#define EFI_MEMORY_DESCRIPTOR_VERSION 1
|
||||
|
||||
#define EFI_PAGE_SHIFT 12
|
||||
|
||||
typedef struct {
|
||||
u32 type;
|
||||
u32 pad;
|
||||
u64 phys_addr;
|
||||
u64 virt_addr;
|
||||
u64 num_pages;
|
||||
u64 attribute;
|
||||
} efi_memory_desc_t;
|
||||
|
||||
typedef struct {
|
||||
efi_guid_t guid;
|
||||
u32 headersize;
|
||||
u32 flags;
|
||||
u32 imagesize;
|
||||
} efi_capsule_header_t;
|
||||
|
||||
/*
|
||||
* Allocation types for calls to boottime->allocate_pages.
|
||||
*/
|
||||
#define EFI_ALLOCATE_ANY_PAGES 0
|
||||
#define EFI_ALLOCATE_MAX_ADDRESS 1
|
||||
#define EFI_ALLOCATE_ADDRESS 2
|
||||
#define EFI_MAX_ALLOCATE_TYPE 3
|
||||
|
||||
typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg);
|
||||
|
||||
/*
|
||||
* Types and defines for Time Services
|
||||
*/
|
||||
#define EFI_TIME_ADJUST_DAYLIGHT 0x1
|
||||
#define EFI_TIME_IN_DAYLIGHT 0x2
|
||||
#define EFI_UNSPECIFIED_TIMEZONE 0x07ff
|
||||
|
||||
typedef struct {
|
||||
u16 year;
|
||||
u8 month;
|
||||
u8 day;
|
||||
u8 hour;
|
||||
u8 minute;
|
||||
u8 second;
|
||||
u8 pad1;
|
||||
u32 nanosecond;
|
||||
s16 timezone;
|
||||
u8 daylight;
|
||||
u8 pad2;
|
||||
} efi_time_t;
|
||||
|
||||
typedef struct {
|
||||
u32 resolution;
|
||||
u32 accuracy;
|
||||
u8 sets_to_zero;
|
||||
} efi_time_cap_t;
|
||||
|
||||
/*
|
||||
* EFI Boot Services table
|
||||
*/
|
||||
typedef struct {
|
||||
efi_table_hdr_t hdr;
|
||||
void *raise_tpl;
|
||||
void *restore_tpl;
|
||||
void *allocate_pages;
|
||||
void *free_pages;
|
||||
void *get_memory_map;
|
||||
void *allocate_pool;
|
||||
void *free_pool;
|
||||
void *create_event;
|
||||
void *set_timer;
|
||||
void *wait_for_event;
|
||||
void *signal_event;
|
||||
void *close_event;
|
||||
void *check_event;
|
||||
void *install_protocol_interface;
|
||||
void *reinstall_protocol_interface;
|
||||
void *uninstall_protocol_interface;
|
||||
void *handle_protocol;
|
||||
void *__reserved;
|
||||
void *register_protocol_notify;
|
||||
void *locate_handle;
|
||||
void *locate_device_path;
|
||||
void *install_configuration_table;
|
||||
void *load_image;
|
||||
void *start_image;
|
||||
void *exit;
|
||||
void *unload_image;
|
||||
void *exit_boot_services;
|
||||
void *get_next_monotonic_count;
|
||||
void *stall;
|
||||
void *set_watchdog_timer;
|
||||
void *connect_controller;
|
||||
void *disconnect_controller;
|
||||
void *open_protocol;
|
||||
void *close_protocol;
|
||||
void *open_protocol_information;
|
||||
void *protocols_per_handle;
|
||||
void *locate_handle_buffer;
|
||||
void *locate_protocol;
|
||||
void *install_multiple_protocol_interfaces;
|
||||
void *uninstall_multiple_protocol_interfaces;
|
||||
void *calculate_crc32;
|
||||
void *copy_mem;
|
||||
void *set_mem;
|
||||
void *create_event_ex;
|
||||
} efi_boot_services_t;
|
||||
|
||||
/*
|
||||
* Types and defines for EFI ResetSystem
|
||||
*/
|
||||
#define EFI_RESET_COLD 0
|
||||
#define EFI_RESET_WARM 1
|
||||
#define EFI_RESET_SHUTDOWN 2
|
||||
|
||||
/*
|
||||
* EFI Runtime Services table
|
||||
*/
|
||||
#define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL)
|
||||
#define EFI_RUNTIME_SERVICES_REVISION 0x00010000
|
||||
|
||||
typedef struct {
|
||||
efi_table_hdr_t hdr;
|
||||
unsigned long get_time;
|
||||
unsigned long set_time;
|
||||
unsigned long get_wakeup_time;
|
||||
unsigned long set_wakeup_time;
|
||||
unsigned long set_virtual_address_map;
|
||||
unsigned long convert_pointer;
|
||||
unsigned long get_variable;
|
||||
unsigned long get_next_variable;
|
||||
unsigned long set_variable;
|
||||
unsigned long get_next_high_mono_count;
|
||||
unsigned long reset_system;
|
||||
unsigned long update_capsule;
|
||||
unsigned long query_capsule_caps;
|
||||
unsigned long query_variable_info;
|
||||
} efi_runtime_services_t;
|
||||
|
||||
typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc);
|
||||
typedef efi_status_t efi_set_time_t (efi_time_t *tm);
|
||||
typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending,
|
||||
efi_time_t *tm);
|
||||
typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm);
|
||||
typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr,
|
||||
unsigned long *data_size, void *data);
|
||||
typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name,
|
||||
efi_guid_t *vendor);
|
||||
typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor,
|
||||
u32 attr, unsigned long data_size,
|
||||
void *data);
|
||||
typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count);
|
||||
typedef void efi_reset_system_t (int reset_type, efi_status_t status,
|
||||
unsigned long data_size, efi_char16_t *data);
|
||||
typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size,
|
||||
unsigned long descriptor_size,
|
||||
u32 descriptor_version,
|
||||
efi_memory_desc_t *virtual_map);
|
||||
typedef efi_status_t efi_query_variable_info_t(u32 attr,
|
||||
u64 *storage_space,
|
||||
u64 *remaining_space,
|
||||
u64 *max_variable_size);
|
||||
typedef efi_status_t efi_update_capsule_t(efi_capsule_header_t **capsules,
|
||||
unsigned long count,
|
||||
unsigned long sg_list);
|
||||
typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules,
|
||||
unsigned long count,
|
||||
u64 *max_size,
|
||||
int *reset_type);
|
||||
|
||||
/*
|
||||
* EFI Configuration Table and GUID definitions
|
||||
*/
|
||||
#define NULL_GUID \
|
||||
EFI_GUID( 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 )
|
||||
|
||||
#define MPS_TABLE_GUID \
|
||||
EFI_GUID( 0xeb9d2d2f, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
|
||||
|
||||
#define ACPI_TABLE_GUID \
|
||||
EFI_GUID( 0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
|
||||
|
||||
#define ACPI_20_TABLE_GUID \
|
||||
EFI_GUID( 0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 )
|
||||
|
||||
#define SMBIOS_TABLE_GUID \
|
||||
EFI_GUID( 0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
|
||||
|
||||
#define SAL_SYSTEM_TABLE_GUID \
|
||||
EFI_GUID( 0xeb9d2d32, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
|
||||
|
||||
#define HCDP_TABLE_GUID \
|
||||
EFI_GUID( 0xf951938d, 0x620b, 0x42ef, 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98 )
|
||||
|
||||
#define UGA_IO_PROTOCOL_GUID \
|
||||
EFI_GUID( 0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0xb, 0x7, 0xa2 )
|
||||
|
||||
#define EFI_GLOBAL_VARIABLE_GUID \
|
||||
EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c )
|
||||
|
||||
#define UV_SYSTEM_TABLE_GUID \
|
||||
EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 )
|
||||
|
||||
#define LINUX_EFI_CRASH_GUID \
|
||||
EFI_GUID( 0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0 )
|
||||
|
||||
#define LOADED_IMAGE_PROTOCOL_GUID \
|
||||
EFI_GUID( 0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
|
||||
|
||||
#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \
|
||||
EFI_GUID( 0x9042a9de, 0x23dc, 0x4a38, 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a )
|
||||
|
||||
#define EFI_UGA_PROTOCOL_GUID \
|
||||
EFI_GUID( 0x982c298b, 0xf4fa, 0x41cb, 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39 )
|
||||
|
||||
#define EFI_PCI_IO_PROTOCOL_GUID \
|
||||
EFI_GUID( 0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a )
|
||||
|
||||
#define EFI_FILE_INFO_ID \
|
||||
EFI_GUID( 0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
|
||||
|
||||
#define EFI_FILE_SYSTEM_GUID \
|
||||
EFI_GUID( 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
|
||||
|
||||
typedef struct {
|
||||
efi_guid_t guid;
|
||||
u64 table;
|
||||
} efi_config_table_64_t;
|
||||
|
||||
typedef struct {
|
||||
efi_guid_t guid;
|
||||
u32 table;
|
||||
} efi_config_table_32_t;
|
||||
|
||||
typedef struct {
|
||||
efi_guid_t guid;
|
||||
unsigned long table;
|
||||
} efi_config_table_t;
|
||||
|
||||
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
|
||||
|
||||
#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))
|
||||
#define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20))
|
||||
#define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10))
|
||||
#define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00))
|
||||
#define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10))
|
||||
#define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02))
|
||||
|
||||
typedef struct {
|
||||
efi_table_hdr_t hdr;
|
||||
u64 fw_vendor; /* physical addr of CHAR16 vendor string */
|
||||
u32 fw_revision;
|
||||
u32 __pad1;
|
||||
u64 con_in_handle;
|
||||
u64 con_in;
|
||||
u64 con_out_handle;
|
||||
u64 con_out;
|
||||
u64 stderr_handle;
|
||||
u64 _stderr;
|
||||
u64 runtime;
|
||||
u64 boottime;
|
||||
u32 nr_tables;
|
||||
u32 __pad2;
|
||||
u64 tables;
|
||||
} efi_system_table_64_t;
|
||||
|
||||
typedef struct {
|
||||
efi_table_hdr_t hdr;
|
||||
u32 fw_vendor; /* physical addr of CHAR16 vendor string */
|
||||
u32 fw_revision;
|
||||
u32 con_in_handle;
|
||||
u32 con_in;
|
||||
u32 con_out_handle;
|
||||
u32 con_out;
|
||||
u32 stderr_handle;
|
||||
u32 _stderr;
|
||||
u32 runtime;
|
||||
u32 boottime;
|
||||
u32 nr_tables;
|
||||
u32 tables;
|
||||
} efi_system_table_32_t;
|
||||
|
||||
typedef struct {
|
||||
efi_table_hdr_t hdr;
|
||||
unsigned long fw_vendor; /* physical addr of CHAR16 vendor string */
|
||||
u32 fw_revision;
|
||||
unsigned long con_in_handle;
|
||||
unsigned long con_in;
|
||||
unsigned long con_out_handle;
|
||||
unsigned long con_out;
|
||||
unsigned long stderr_handle;
|
||||
unsigned long _stderr;
|
||||
efi_runtime_services_t *runtime;
|
||||
efi_boot_services_t *boottime;
|
||||
unsigned long nr_tables;
|
||||
unsigned long tables;
|
||||
} efi_system_table_t;
|
||||
|
||||
struct efi_memory_map {
|
||||
void *phys_map;
|
||||
void *map;
|
||||
void *map_end;
|
||||
int nr_map;
|
||||
unsigned long desc_version;
|
||||
unsigned long desc_size;
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
u32 revision;
|
||||
void *parent_handle;
|
||||
efi_system_table_t *system_table;
|
||||
void *device_handle;
|
||||
void *file_path;
|
||||
void *reserved;
|
||||
u32 load_options_size;
|
||||
void *load_options;
|
||||
void *image_base;
|
||||
__aligned_u64 image_size;
|
||||
unsigned int image_code_type;
|
||||
unsigned int image_data_type;
|
||||
unsigned long unload;
|
||||
} efi_loaded_image_t;
|
||||
|
||||
typedef struct {
|
||||
u64 revision;
|
||||
void *open_volume;
|
||||
} efi_file_io_interface_t;
|
||||
|
||||
typedef struct {
|
||||
u64 size;
|
||||
u64 file_size;
|
||||
u64 phys_size;
|
||||
efi_time_t create_time;
|
||||
efi_time_t last_access_time;
|
||||
efi_time_t modification_time;
|
||||
__aligned_u64 attribute;
|
||||
efi_char16_t filename[1];
|
||||
} efi_file_info_t;
|
||||
|
||||
typedef struct {
|
||||
u64 revision;
|
||||
void *open;
|
||||
void *close;
|
||||
void *delete;
|
||||
void *read;
|
||||
void *write;
|
||||
void *get_position;
|
||||
void *set_position;
|
||||
void *get_info;
|
||||
void *set_info;
|
||||
void *flush;
|
||||
} efi_file_handle_t;
|
||||
|
||||
#define EFI_FILE_MODE_READ 0x0000000000000001
|
||||
#define EFI_FILE_MODE_WRITE 0x0000000000000002
|
||||
#define EFI_FILE_MODE_CREATE 0x8000000000000000
|
||||
|
||||
#define EFI_INVALID_TABLE_ADDR (~0UL)
|
||||
|
||||
/*
|
||||
* All runtime access to EFI goes through this structure:
|
||||
*/
|
||||
extern struct efi {
|
||||
efi_system_table_t *systab; /* EFI system table */
|
||||
unsigned int runtime_version; /* Runtime services version */
|
||||
unsigned long mps; /* MPS table */
|
||||
unsigned long acpi; /* ACPI table (IA64 ext 0.71) */
|
||||
unsigned long acpi20; /* ACPI table (ACPI 2.0) */
|
||||
unsigned long smbios; /* SM BIOS table */
|
||||
unsigned long sal_systab; /* SAL system table */
|
||||
unsigned long boot_info; /* boot info table */
|
||||
unsigned long hcdp; /* HCDP table */
|
||||
unsigned long uga; /* UGA table */
|
||||
unsigned long uv_systab; /* UV system table */
|
||||
efi_get_time_t *get_time;
|
||||
efi_set_time_t *set_time;
|
||||
efi_get_wakeup_time_t *get_wakeup_time;
|
||||
efi_set_wakeup_time_t *set_wakeup_time;
|
||||
efi_get_variable_t *get_variable;
|
||||
efi_get_next_variable_t *get_next_variable;
|
||||
efi_set_variable_t *set_variable;
|
||||
efi_query_variable_info_t *query_variable_info;
|
||||
efi_update_capsule_t *update_capsule;
|
||||
efi_query_capsule_caps_t *query_capsule_caps;
|
||||
efi_get_next_high_mono_count_t *get_next_high_mono_count;
|
||||
efi_reset_system_t *reset_system;
|
||||
efi_set_virtual_address_map_t *set_virtual_address_map;
|
||||
} efi;
|
||||
|
||||
static inline int
|
||||
efi_guidcmp (efi_guid_t left, efi_guid_t right)
|
||||
{
|
||||
return memcmp(&left, &right, sizeof (efi_guid_t));
|
||||
}
|
||||
|
||||
static inline char *
|
||||
efi_guid_unparse(efi_guid_t *guid, char *out)
|
||||
{
|
||||
sprintf(out, "%pUl", guid->b);
|
||||
return out;
|
||||
}
|
||||
|
||||
/*
|
||||
* Variable Attributes
|
||||
*/
|
||||
#define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001
|
||||
#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
|
||||
#define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004
|
||||
#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008
|
||||
#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010
|
||||
#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020
|
||||
#define EFI_VARIABLE_APPEND_WRITE 0x0000000000000040
|
||||
|
||||
#define EFI_VARIABLE_MASK (EFI_VARIABLE_NON_VOLATILE | \
|
||||
EFI_VARIABLE_BOOTSERVICE_ACCESS | \
|
||||
EFI_VARIABLE_RUNTIME_ACCESS | \
|
||||
EFI_VARIABLE_HARDWARE_ERROR_RECORD | \
|
||||
EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \
|
||||
EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \
|
||||
EFI_VARIABLE_APPEND_WRITE)
|
||||
/*
|
||||
* The type of search to perform when calling boottime->locate_handle
|
||||
*/
|
||||
#define EFI_LOCATE_ALL_HANDLES 0
|
||||
#define EFI_LOCATE_BY_REGISTER_NOTIFY 1
|
||||
#define EFI_LOCATE_BY_PROTOCOL 2
|
||||
|
||||
/*
|
||||
* EFI Device Path information
|
||||
*/
|
||||
#define EFI_DEV_HW 0x01
|
||||
#define EFI_DEV_PCI 1
|
||||
#define EFI_DEV_PCCARD 2
|
||||
#define EFI_DEV_MEM_MAPPED 3
|
||||
#define EFI_DEV_VENDOR 4
|
||||
#define EFI_DEV_CONTROLLER 5
|
||||
#define EFI_DEV_ACPI 0x02
|
||||
#define EFI_DEV_BASIC_ACPI 1
|
||||
#define EFI_DEV_EXPANDED_ACPI 2
|
||||
#define EFI_DEV_MSG 0x03
|
||||
#define EFI_DEV_MSG_ATAPI 1
|
||||
#define EFI_DEV_MSG_SCSI 2
|
||||
#define EFI_DEV_MSG_FC 3
|
||||
#define EFI_DEV_MSG_1394 4
|
||||
#define EFI_DEV_MSG_USB 5
|
||||
#define EFI_DEV_MSG_USB_CLASS 15
|
||||
#define EFI_DEV_MSG_I20 6
|
||||
#define EFI_DEV_MSG_MAC 11
|
||||
#define EFI_DEV_MSG_IPV4 12
|
||||
#define EFI_DEV_MSG_IPV6 13
|
||||
#define EFI_DEV_MSG_INFINIBAND 9
|
||||
#define EFI_DEV_MSG_UART 14
|
||||
#define EFI_DEV_MSG_VENDOR 10
|
||||
#define EFI_DEV_MEDIA 0x04
|
||||
#define EFI_DEV_MEDIA_HARD_DRIVE 1
|
||||
#define EFI_DEV_MEDIA_CDROM 2
|
||||
#define EFI_DEV_MEDIA_VENDOR 3
|
||||
#define EFI_DEV_MEDIA_FILE 4
|
||||
#define EFI_DEV_MEDIA_PROTOCOL 5
|
||||
#define EFI_DEV_BIOS_BOOT 0x05
|
||||
#define EFI_DEV_END_PATH 0x7F
|
||||
#define EFI_DEV_END_PATH2 0xFF
|
||||
#define EFI_DEV_END_INSTANCE 0x01
|
||||
#define EFI_DEV_END_ENTIRE 0xFF
|
||||
|
||||
#endif /* _LINUX_EFI_H */
|
||||
Loading…
Reference in New Issue