mirror of https://github.com/crash-utility/crash
183 lines
4.6 KiB
C
183 lines
4.6 KiB
C
/*
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* vmware_vmss.h
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*
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* Copyright (c) 2015 VMware, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Author: Dyno Hongjun Fu <hfu@vmware.com>
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*/
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#define CPTDUMP_OLD_MAGIC_NUMBER 0xbed0bed0
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#define CPTDUMP_MAGIC_NUMBER 0xbed2bed2
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#define CPTDUMP_PARTIAL_MAGIC_NUMBER 0xbed3bed3
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#define CPTDUMP_RESTORED_MAGIC_NUMBER 0xbad1bad1
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#define CPTDUMP_NORESTORE_MAGIC_NUMBER 0xbad2bad2
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/*
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* Poor man's bit fields
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* TAG: | NAMELEN | NINDX | VALSIZE |
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* bits |15 8|7 6|5 0|
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* size | 8 | 2 | 6 |
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*/
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#define TAG_NAMELEN_MASK 0xFF
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#define TAG_NAMELEN_OFFSET 8
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#define TAG_NINDX_MASK 0x3
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#define TAG_NINDX_OFFSET 6
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#define TAG_VALSIZE_MASK 0x3F
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#define TAG_VALSIZE_OFFSET 0
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#define TAG_SIZE 2
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/*
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* The value size has two special values to indicate blocks and compressed
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* blocks.
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*/
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#define TAG_ISBLOCK TAG_VALSIZE_MASK
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#define TAG_ISBLOCK_COMPRESSED (TAG_VALSIZE_MASK-1)
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#define MAKE_TAG(_nl, _nidx, _nb) \
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(((_nl) & TAG_NAMELEN_MASK) << TAG_NAMELEN_OFFSET | \
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((_nidx) & TAG_NINDX_MASK) << TAG_NINDX_OFFSET | \
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((_nb) & TAG_VALSIZE_MASK) << TAG_VALSIZE_OFFSET)
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#define TAG_NAMELEN(_tag) (((_tag) >> TAG_NAMELEN_OFFSET) & TAG_NAMELEN_MASK)
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#define TAG_NINDX(_tag) (((_tag) >> TAG_NINDX_OFFSET) & TAG_NINDX_MASK)
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#define TAG_VALSIZE(_tag) (((_tag) >> TAG_VALSIZE_OFFSET) & TAG_VALSIZE_MASK)
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#define NULL_TAG MAKE_TAG(0, 0, 0)
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#define NO_INDEX (-1)
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/*
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* TRUE iff it's a (optionally compressed) block
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*/
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#define IS_BLOCK_TAG(_tag) (TAG_VALSIZE(_tag) == TAG_ISBLOCK || \
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TAG_VALSIZE(_tag) == TAG_ISBLOCK_COMPRESSED)
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/*
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* TRUE iff it's a compressed block.
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*/
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#define IS_BLOCK_COMPRESSED_TAG(_tag) (TAG_VALSIZE(_tag) == TAG_ISBLOCK_COMPRESSED)
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struct cptdumpheader {
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uint32_t id;
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uint32_t version;
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uint32_t numgroups;
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};
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typedef struct cptdumpheader cptdumpheader;
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#define MAX_LENGTH 64
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struct cptgroupdesc {
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char name[MAX_LENGTH];
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uint64_t position;
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uint64_t size;
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};
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typedef struct cptgroupdesc cptgroupdesc;
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struct memregion {
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uint32_t startpagenum;
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uint32_t startppn;
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uint32_t size;
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};
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typedef struct memregion memregion;
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#define VMW_GPREGS_SIZE (128)
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#define VMW_CR64_SIZE (72)
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#define VMW_IDTR_SIZE (10)
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struct vmssregs64 {
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/* read from vmss */
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uint64_t rax;
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uint64_t rcx;
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uint64_t rdx;
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uint64_t rbx;
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uint64_t rbp;
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uint64_t rsp;
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uint64_t rsi;
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uint64_t rdi;
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uint64_t r8;
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uint64_t r9;
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uint64_t r10;
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uint64_t r11;
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uint64_t r12;
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uint64_t r13;
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uint64_t r14;
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uint64_t r15;
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/* manually managed */
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uint64_t idtr;
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uint64_t cr[VMW_CR64_SIZE / 8];
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uint64_t rip;
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uint64_t rflags;
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};
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typedef struct vmssregs64 vmssregs64;
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#define REGS_PRESENT_RAX 1<<0
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#define REGS_PRESENT_RCX 1<<1
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#define REGS_PRESENT_RDX 1<<2
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#define REGS_PRESENT_RBX 1<<3
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#define REGS_PRESENT_RBP 1<<4
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#define REGS_PRESENT_RSP 1<<5
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#define REGS_PRESENT_RSI 1<<6
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#define REGS_PRESENT_RDI 1<<7
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#define REGS_PRESENT_R8 1<<8
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#define REGS_PRESENT_R9 1<<9
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#define REGS_PRESENT_R10 1<<10
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#define REGS_PRESENT_R11 1<<11
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#define REGS_PRESENT_R12 1<<12
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#define REGS_PRESENT_R13 1<<13
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#define REGS_PRESENT_R14 1<<14
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#define REGS_PRESENT_R15 1<<15
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#define REGS_PRESENT_IDTR 1<<16
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#define REGS_PRESENT_CR0 1<<17
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#define REGS_PRESENT_CR1 1<<18
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#define REGS_PRESENT_CR2 1<<19
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#define REGS_PRESENT_CR3 1<<20
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#define REGS_PRESENT_CR4 1<<21
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#define REGS_PRESENT_RIP 1<<22
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#define REGS_PRESENT_RFLAGS 1<<23
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#define REGS_PRESENT_GPREGS 65535
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#define REGS_PRESENT_CRS 4063232
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#define REGS_PRESENT_ALL 16777215
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#define MAX_REGIONS 3
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struct vmssdata {
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int32_t cpt64bit;
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FILE *dfp;
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char *filename;
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/* about the memory */
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uint32_t alignmask;
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uint32_t regionscount;
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memregion regions[MAX_REGIONS];
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uint64_t memoffset;
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uint64_t memsize;
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ulong phys_base;
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int separate_vmem;
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uint32_t *vcpu_regs;
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uint64_t num_vcpus;
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vmssregs64 **regs64;
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};
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typedef struct vmssdata vmssdata;
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/* VMware only supports X86/X86_64 virtual machines. */
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#define VMW_PAGE_SIZE (4096)
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#define VMW_PAGE_SHIFT (12)
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#define MAX_BLOCK_DUMP (128)
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extern vmssdata vmss;
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#define DEBUG_PARSE_PRINT(x) \
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do { \
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if (CRASHDEBUG(1)) { \
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fprintf x; \
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} \
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} while(0)
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