7ce0bcfd16
Fairly straightforward implementation of VMI backend for paravirt-ops. [Adrian Bunk: some cleanups] Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@xensource.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
263 lines
7.2 KiB
C
263 lines
7.2 KiB
C
/*
|
|
* VMI interface definition
|
|
*
|
|
* Copyright (C) 2005, VMware, 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, GOOD TITLE or
|
|
* NON INFRINGEMENT. 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* Maintained by: Zachary Amsden zach@vmware.com
|
|
*
|
|
*/
|
|
#include <linux/types.h>
|
|
|
|
/*
|
|
*---------------------------------------------------------------------
|
|
*
|
|
* VMI Option ROM API
|
|
*
|
|
*---------------------------------------------------------------------
|
|
*/
|
|
#define VMI_SIGNATURE 0x696d5663 /* "cVmi" */
|
|
|
|
#define PCI_VENDOR_ID_VMWARE 0x15AD
|
|
#define PCI_DEVICE_ID_VMWARE_VMI 0x0801
|
|
|
|
/*
|
|
* We use two version numbers for compatibility, with the major
|
|
* number signifying interface breakages, and the minor number
|
|
* interface extensions.
|
|
*/
|
|
#define VMI_API_REV_MAJOR 3
|
|
#define VMI_API_REV_MINOR 0
|
|
|
|
#define VMI_CALL_CPUID 0
|
|
#define VMI_CALL_WRMSR 1
|
|
#define VMI_CALL_RDMSR 2
|
|
#define VMI_CALL_SetGDT 3
|
|
#define VMI_CALL_SetLDT 4
|
|
#define VMI_CALL_SetIDT 5
|
|
#define VMI_CALL_SetTR 6
|
|
#define VMI_CALL_GetGDT 7
|
|
#define VMI_CALL_GetLDT 8
|
|
#define VMI_CALL_GetIDT 9
|
|
#define VMI_CALL_GetTR 10
|
|
#define VMI_CALL_WriteGDTEntry 11
|
|
#define VMI_CALL_WriteLDTEntry 12
|
|
#define VMI_CALL_WriteIDTEntry 13
|
|
#define VMI_CALL_UpdateKernelStack 14
|
|
#define VMI_CALL_SetCR0 15
|
|
#define VMI_CALL_SetCR2 16
|
|
#define VMI_CALL_SetCR3 17
|
|
#define VMI_CALL_SetCR4 18
|
|
#define VMI_CALL_GetCR0 19
|
|
#define VMI_CALL_GetCR2 20
|
|
#define VMI_CALL_GetCR3 21
|
|
#define VMI_CALL_GetCR4 22
|
|
#define VMI_CALL_WBINVD 23
|
|
#define VMI_CALL_SetDR 24
|
|
#define VMI_CALL_GetDR 25
|
|
#define VMI_CALL_RDPMC 26
|
|
#define VMI_CALL_RDTSC 27
|
|
#define VMI_CALL_CLTS 28
|
|
#define VMI_CALL_EnableInterrupts 29
|
|
#define VMI_CALL_DisableInterrupts 30
|
|
#define VMI_CALL_GetInterruptMask 31
|
|
#define VMI_CALL_SetInterruptMask 32
|
|
#define VMI_CALL_IRET 33
|
|
#define VMI_CALL_SYSEXIT 34
|
|
#define VMI_CALL_Halt 35
|
|
#define VMI_CALL_Reboot 36
|
|
#define VMI_CALL_Shutdown 37
|
|
#define VMI_CALL_SetPxE 38
|
|
#define VMI_CALL_SetPxELong 39
|
|
#define VMI_CALL_UpdatePxE 40
|
|
#define VMI_CALL_UpdatePxELong 41
|
|
#define VMI_CALL_MachineToPhysical 42
|
|
#define VMI_CALL_PhysicalToMachine 43
|
|
#define VMI_CALL_AllocatePage 44
|
|
#define VMI_CALL_ReleasePage 45
|
|
#define VMI_CALL_InvalPage 46
|
|
#define VMI_CALL_FlushTLB 47
|
|
#define VMI_CALL_SetLinearMapping 48
|
|
|
|
#define VMI_CALL_SetIOPLMask 61
|
|
#define VMI_CALL_SetInitialAPState 62
|
|
#define VMI_CALL_APICWrite 63
|
|
#define VMI_CALL_APICRead 64
|
|
#define VMI_CALL_SetLazyMode 73
|
|
|
|
/*
|
|
*---------------------------------------------------------------------
|
|
*
|
|
* MMU operation flags
|
|
*
|
|
*---------------------------------------------------------------------
|
|
*/
|
|
|
|
/* Flags used by VMI_{Allocate|Release}Page call */
|
|
#define VMI_PAGE_PAE 0x10 /* Allocate PAE shadow */
|
|
#define VMI_PAGE_CLONE 0x20 /* Clone from another shadow */
|
|
#define VMI_PAGE_ZEROED 0x40 /* Page is pre-zeroed */
|
|
|
|
|
|
/* Flags shared by Allocate|Release Page and PTE updates */
|
|
#define VMI_PAGE_PT 0x01
|
|
#define VMI_PAGE_PD 0x02
|
|
#define VMI_PAGE_PDP 0x04
|
|
#define VMI_PAGE_PML4 0x08
|
|
|
|
#define VMI_PAGE_NORMAL 0x00 /* for debugging */
|
|
|
|
/* Flags used by PTE updates */
|
|
#define VMI_PAGE_CURRENT_AS 0x10 /* implies VMI_PAGE_VA_MASK is valid */
|
|
#define VMI_PAGE_DEFER 0x20 /* may queue update until TLB inval */
|
|
#define VMI_PAGE_VA_MASK 0xfffff000
|
|
|
|
#ifdef CONFIG_X86_PAE
|
|
#define VMI_PAGE_L1 (VMI_PAGE_PT | VMI_PAGE_PAE | VMI_PAGE_ZEROED)
|
|
#define VMI_PAGE_L2 (VMI_PAGE_PD | VMI_PAGE_PAE | VMI_PAGE_ZEROED)
|
|
#else
|
|
#define VMI_PAGE_L1 (VMI_PAGE_PT | VMI_PAGE_ZEROED)
|
|
#define VMI_PAGE_L2 (VMI_PAGE_PD | VMI_PAGE_ZEROED)
|
|
#endif
|
|
|
|
/* Flags used by VMI_FlushTLB call */
|
|
#define VMI_FLUSH_TLB 0x01
|
|
#define VMI_FLUSH_GLOBAL 0x02
|
|
|
|
/*
|
|
*---------------------------------------------------------------------
|
|
*
|
|
* VMI relocation definitions for ROM call get_reloc
|
|
*
|
|
*---------------------------------------------------------------------
|
|
*/
|
|
|
|
/* VMI Relocation types */
|
|
#define VMI_RELOCATION_NONE 0
|
|
#define VMI_RELOCATION_CALL_REL 1
|
|
#define VMI_RELOCATION_JUMP_REL 2
|
|
#define VMI_RELOCATION_NOP 3
|
|
|
|
#ifndef __ASSEMBLY__
|
|
struct vmi_relocation_info {
|
|
unsigned char *eip;
|
|
unsigned char type;
|
|
unsigned char reserved[3];
|
|
};
|
|
#endif
|
|
|
|
|
|
/*
|
|
*---------------------------------------------------------------------
|
|
*
|
|
* Generic ROM structures and definitions
|
|
*
|
|
*---------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
struct vrom_header {
|
|
u16 rom_signature; // option ROM signature
|
|
u8 rom_length; // ROM length in 512 byte chunks
|
|
u8 rom_entry[4]; // 16-bit code entry point
|
|
u8 rom_pad0; // 4-byte align pad
|
|
u32 vrom_signature; // VROM identification signature
|
|
u8 api_version_min;// Minor version of API
|
|
u8 api_version_maj;// Major version of API
|
|
u8 jump_slots; // Number of jump slots
|
|
u8 reserved1; // Reserved for expansion
|
|
u32 virtual_top; // Hypervisor virtual address start
|
|
u16 reserved2; // Reserved for expansion
|
|
u16 license_offs; // Offset to License string
|
|
u16 pci_header_offs;// Offset to PCI OPROM header
|
|
u16 pnp_header_offs;// Offset to PnP OPROM header
|
|
u32 rom_pad3; // PnP reserverd / VMI reserved
|
|
u8 reserved[96]; // Reserved for headers
|
|
char vmi_init[8]; // VMI_Init jump point
|
|
char get_reloc[8]; // VMI_GetRelocationInfo jump point
|
|
} __attribute__((packed));
|
|
|
|
struct pnp_header {
|
|
char sig[4];
|
|
char rev;
|
|
char size;
|
|
short next;
|
|
short res;
|
|
long devID;
|
|
unsigned short manufacturer_offset;
|
|
unsigned short product_offset;
|
|
} __attribute__((packed));
|
|
|
|
struct pci_header {
|
|
char sig[4];
|
|
short vendorID;
|
|
short deviceID;
|
|
short vpdData;
|
|
short size;
|
|
char rev;
|
|
char class;
|
|
char subclass;
|
|
char interface;
|
|
short chunks;
|
|
char rom_version_min;
|
|
char rom_version_maj;
|
|
char codetype;
|
|
char lastRom;
|
|
short reserved;
|
|
} __attribute__((packed));
|
|
|
|
/* Function prototypes for bootstrapping */
|
|
extern void vmi_init(void);
|
|
extern void vmi_bringup(void);
|
|
extern void vmi_apply_boot_page_allocations(void);
|
|
|
|
/* State needed to start an application processor in an SMP system. */
|
|
struct vmi_ap_state {
|
|
u32 cr0;
|
|
u32 cr2;
|
|
u32 cr3;
|
|
u32 cr4;
|
|
|
|
u64 efer;
|
|
|
|
u32 eip;
|
|
u32 eflags;
|
|
u32 eax;
|
|
u32 ebx;
|
|
u32 ecx;
|
|
u32 edx;
|
|
u32 esp;
|
|
u32 ebp;
|
|
u32 esi;
|
|
u32 edi;
|
|
u16 cs;
|
|
u16 ss;
|
|
u16 ds;
|
|
u16 es;
|
|
u16 fs;
|
|
u16 gs;
|
|
u16 ldtr;
|
|
|
|
u16 gdtr_limit;
|
|
u32 gdtr_base;
|
|
u32 idtr_base;
|
|
u16 idtr_limit;
|
|
};
|
|
|
|
#endif
|