arch/x86/include/asm/vmi.h

   1 /*
   2  * VMI interface definition
   3  *
   4  * Copyright (C) 2005, VMware, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  14  * NON INFRINGEMENT.  See the GNU General Public License for more
  15  * details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  * Maintained by: Zachary Amsden zach@vmware.com
  22  *
  23  */
  24 #include <linux/types.h>
  25
  26 /*
  27  *---------------------------------------------------------------------
  28  *
  29  *  VMI Option ROM API
  30  *
  31  *---------------------------------------------------------------------
  32  */
  33 #define VMI_SIGNATURE 0x696d5663   /* "cVmi" */
  34
  35 #define PCI_VENDOR_ID_VMWARE            0x15AD
  36 #define PCI_DEVICE_ID_VMWARE_VMI        0x0801
  37
  38 /*
  39  * We use two version numbers for compatibility, with the major
  40  * number signifying interface breakages, and the minor number
  41  * interface extensions.
  42  */
  43 #define VMI_API_REV_MAJOR       3
  44 #define VMI_API_REV_MINOR       0
  45
  46 #define VMI_CALL_CPUID                  0
  47 #define VMI_CALL_WRMSR                  1
  48 #define VMI_CALL_RDMSR                  2
  49 #define VMI_CALL_SetGDT                 3
  50 #define VMI_CALL_SetLDT                 4
  51 #define VMI_CALL_SetIDT                 5
  52 #define VMI_CALL_SetTR                  6
  53 #define VMI_CALL_GetGDT                 7
  54 #define VMI_CALL_GetLDT                 8
  55 #define VMI_CALL_GetIDT                 9
  56 #define VMI_CALL_GetTR                  10
  57 #define VMI_CALL_WriteGDTEntry          11
  58 #define VMI_CALL_WriteLDTEntry          12
  59 #define VMI_CALL_WriteIDTEntry          13
  60 #define VMI_CALL_UpdateKernelStack      14
  61 #define VMI_CALL_SetCR0                 15
  62 #define VMI_CALL_SetCR2                 16
  63 #define VMI_CALL_SetCR3                 17
  64 #define VMI_CALL_SetCR4                 18
  65 #define VMI_CALL_GetCR0                 19
  66 #define VMI_CALL_GetCR2                 20
  67 #define VMI_CALL_GetCR3                 21
  68 #define VMI_CALL_GetCR4                 22
  69 #define VMI_CALL_WBINVD                 23
  70 #define VMI_CALL_SetDR                  24
  71 #define VMI_CALL_GetDR                  25
  72 #define VMI_CALL_RDPMC                  26
  73 #define VMI_CALL_RDTSC                  27
  74 #define VMI_CALL_CLTS                   28
  75 #define VMI_CALL_EnableInterrupts       29
  76 #define VMI_CALL_DisableInterrupts      30
  77 #define VMI_CALL_GetInterruptMask       31
  78 #define VMI_CALL_SetInterruptMask       32
  79 #define VMI_CALL_IRET                   33
  80 #define VMI_CALL_SYSEXIT                34
  81 #define VMI_CALL_Halt                   35
  82 #define VMI_CALL_Reboot                 36
  83 #define VMI_CALL_Shutdown               37
  84 #define VMI_CALL_SetPxE                 38
  85 #define VMI_CALL_SetPxELong             39
  86 #define VMI_CALL_UpdatePxE              40
  87 #define VMI_CALL_UpdatePxELong          41
  88 #define VMI_CALL_MachineToPhysical      42
  89 #define VMI_CALL_PhysicalToMachine      43
  90 #define VMI_CALL_AllocatePage           44
  91 #define VMI_CALL_ReleasePage            45
  92 #define VMI_CALL_InvalPage              46
  93 #define VMI_CALL_FlushTLB               47
  94 #define VMI_CALL_SetLinearMapping       48
  95
  96 #define VMI_CALL_SetIOPLMask            61
  97 #define VMI_CALL_SetInitialAPState      62
  98 #define VMI_CALL_APICWrite              63
  99 #define VMI_CALL_APICRead               64
 100 #define VMI_CALL_IODelay                65
 101 #define VMI_CALL_SetLazyMode            73
 102
 103 /*
 104  *---------------------------------------------------------------------
 105  *
 106  * MMU operation flags
 107  *
 108  *---------------------------------------------------------------------
 109  */
 110
 111 /* Flags used by VMI_{Allocate|Release}Page call */
 112 #define VMI_PAGE_PAE             0x10  /* Allocate PAE shadow */
 113 #define VMI_PAGE_CLONE           0x20  /* Clone from another shadow */
 114 #define VMI_PAGE_ZEROED          0x40  /* Page is pre-zeroed */
 115
 116
 117 /* Flags shared by Allocate|Release Page and PTE updates */
 118 #define VMI_PAGE_PT              0x01
 119 #define VMI_PAGE_PD              0x02
 120 #define VMI_PAGE_PDP             0x04
 121 #define VMI_PAGE_PML4            0x08
 122
 123 #define VMI_PAGE_NORMAL          0x00 /* for debugging */
 124
 125 /* Flags used by PTE updates */
 126 #define VMI_PAGE_CURRENT_AS      0x10 /* implies VMI_PAGE_VA_MASK is valid */
 127 #define VMI_PAGE_DEFER           0x20 /* may queue update until TLB inval */
 128 #define VMI_PAGE_VA_MASK         0xfffff000
 129
 130 #ifdef CONFIG_X86_PAE
 131 #define VMI_PAGE_L1             (VMI_PAGE_PT | VMI_PAGE_PAE | VMI_PAGE_ZEROED)
 132 #define VMI_PAGE_L2             (VMI_PAGE_PD | VMI_PAGE_PAE | VMI_PAGE_ZEROED)
 133 #else
 134 #define VMI_PAGE_L1             (VMI_PAGE_PT | VMI_PAGE_ZEROED)
 135 #define VMI_PAGE_L2             (VMI_PAGE_PD | VMI_PAGE_ZEROED)
 136 #endif
 137
 138 /* Flags used by VMI_FlushTLB call */
 139 #define VMI_FLUSH_TLB            0x01
 140 #define VMI_FLUSH_GLOBAL         0x02
 141
 142 /*
 143  *---------------------------------------------------------------------
 144  *
 145  *  VMI relocation definitions for ROM call get_reloc
 146  *
 147  *---------------------------------------------------------------------
 148  */
 149
 150 /* VMI Relocation types */
 151 #define VMI_RELOCATION_NONE     0
 152 #define VMI_RELOCATION_CALL_REL 1
 153 #define VMI_RELOCATION_JUMP_REL 2
 154 #define VMI_RELOCATION_NOP      3
 155
 156 #ifndef __ASSEMBLY__
 157 struct vmi_relocation_info {
 158         unsigned char           *eip;
 159         unsigned char           type;
 160         unsigned char           reserved[3];
 161 };
 162 #endif
 163
 164
 165 /*
 166  *---------------------------------------------------------------------
 167  *
 168  *  Generic ROM structures and definitions
 169  *
 170  *---------------------------------------------------------------------
 171  */
 172
 173 #ifndef __ASSEMBLY__
 174
 175 struct vrom_header {
 176         u16     rom_signature;  /* option ROM signature */
 177         u8      rom_length;     /* ROM length in 512 byte chunks */
 178         u8      rom_entry[4];   /* 16-bit code entry point */
 179         u8      rom_pad0;       /* 4-byte align pad */
 180         u32     vrom_signature; /* VROM identification signature */
 181         u8      api_version_min;/* Minor version of API */
 182         u8      api_version_maj;/* Major version of API */
 183         u8      jump_slots;     /* Number of jump slots */
 184         u8      reserved1;      /* Reserved for expansion */
 185         u32     virtual_top;    /* Hypervisor virtual address start */
 186         u16     reserved2;      /* Reserved for expansion */
 187         u16     license_offs;   /* Offset to License string */
 188         u16     pci_header_offs;/* Offset to PCI OPROM header */
 189         u16     pnp_header_offs;/* Offset to PnP OPROM header */
 190         u32     rom_pad3;       /* PnP reserverd / VMI reserved */
 191         u8      reserved[96];   /* Reserved for headers */
 192         char    vmi_init[8];    /* VMI_Init jump point */
 193         char    get_reloc[8];   /* VMI_GetRelocationInfo jump point */
 194 } __attribute__((packed));
 195
 196 struct pnp_header {
 197         char sig[4];
 198         char rev;
 199         char size;
 200         short next;
 201         short res;
 202         long devID;
 203         unsigned short manufacturer_offset;
 204         unsigned short product_offset;
 205 } __attribute__((packed));
 206
 207 struct pci_header {
 208         char sig[4];
 209         short vendorID;
 210         short deviceID;
 211         short vpdData;
 212         short size;
 213         char rev;
 214         char class;
 215         char subclass;
 216         char interface;
 217         short chunks;
 218         char rom_version_min;
 219         char rom_version_maj;
 220         char codetype;
 221         char lastRom;
 222         short reserved;
 223 } __attribute__((packed));
 224
 225 /* Function prototypes for bootstrapping */
 226 #ifdef CONFIG_VMI
 227 extern void vmi_init(void);
 228 extern void vmi_activate(void);
 229 extern void vmi_bringup(void);
 230 #else
 231 static inline void vmi_init(void) {}
 232 static inline void vmi_activate(void) {}
 233 static inline void vmi_bringup(void) {}
 234 #endif
 235
 236 /* State needed to start an application processor in an SMP system. */
 237 struct vmi_ap_state {
 238         u32 cr0;
 239         u32 cr2;
 240         u32 cr3;
 241         u32 cr4;
 242
 243         u64 efer;
 244
 245         u32 eip;
 246         u32 eflags;
 247         u32 eax;
 248         u32 ebx;
 249         u32 ecx;
 250         u32 edx;
 251         u32 esp;
 252         u32 ebp;
 253         u32 esi;
 254         u32 edi;
 255         u16 cs;
 256         u16 ss;
 257         u16 ds;
 258         u16 es;
 259         u16 fs;
 260         u16 gs;
 261         u16 ldtr;
 262
 263         u16 gdtr_limit;
 264         u32 gdtr_base;
 265         u32 idtr_base;
 266         u16 idtr_limit;
 267 };
 268
 269 #endif