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authorZachary Amsden <zach@vmware.com>2007-02-13 07:26:21 -0500
committerAndi Kleen <andi@basil.nowhere.org>2007-02-13 07:26:21 -0500
commit7ce0bcfd1667736f1293cff845139bbee53186de (patch)
tree54e70c1e0731d279dfe51efdc06db58d432575ff /include/asm-i386
parentae5da273fe3352febd38658d8d34484cbcfb3423 (diff)
[PATCH] i386: vMI backend for paravirt-ops
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>
Diffstat (limited to 'include/asm-i386')
-rw-r--r--include/asm-i386/timer.h1
-rw-r--r--include/asm-i386/vmi.h262
2 files changed, 263 insertions, 0 deletions
diff --git a/include/asm-i386/timer.h b/include/asm-i386/timer.h
index d0ebd05f8516..1ee64e34cd35 100644
--- a/include/asm-i386/timer.h
+++ b/include/asm-i386/timer.h
@@ -8,6 +8,7 @@ void setup_pit_timer(void);
8/* Modifiers for buggy PIT handling */ 8/* Modifiers for buggy PIT handling */
9extern int pit_latch_buggy; 9extern int pit_latch_buggy;
10extern int timer_ack; 10extern int timer_ack;
11extern int no_timer_check;
11extern int recalibrate_cpu_khz(void); 12extern int recalibrate_cpu_khz(void);
12 13
13#endif 14#endif
diff --git a/include/asm-i386/vmi.h b/include/asm-i386/vmi.h
new file mode 100644
index 000000000000..43c89333037e
--- /dev/null
+++ b/include/asm-i386/vmi.h
@@ -0,0 +1,262 @@
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_SetLazyMode 73
101
102/*
103 *---------------------------------------------------------------------
104 *
105 * MMU operation flags
106 *
107 *---------------------------------------------------------------------
108 */
109
110/* Flags used by VMI_{Allocate|Release}Page call */
111#define VMI_PAGE_PAE 0x10 /* Allocate PAE shadow */
112#define VMI_PAGE_CLONE 0x20 /* Clone from another shadow */
113#define VMI_PAGE_ZEROED 0x40 /* Page is pre-zeroed */
114
115
116/* Flags shared by Allocate|Release Page and PTE updates */
117#define VMI_PAGE_PT 0x01
118#define VMI_PAGE_PD 0x02
119#define VMI_PAGE_PDP 0x04
120#define VMI_PAGE_PML4 0x08
121
122#define VMI_PAGE_NORMAL 0x00 /* for debugging */
123
124/* Flags used by PTE updates */
125#define VMI_PAGE_CURRENT_AS 0x10 /* implies VMI_PAGE_VA_MASK is valid */
126#define VMI_PAGE_DEFER 0x20 /* may queue update until TLB inval */
127#define VMI_PAGE_VA_MASK 0xfffff000
128
129#ifdef CONFIG_X86_PAE
130#define VMI_PAGE_L1 (VMI_PAGE_PT | VMI_PAGE_PAE | VMI_PAGE_ZEROED)
131#define VMI_PAGE_L2 (VMI_PAGE_PD | VMI_PAGE_PAE | VMI_PAGE_ZEROED)
132#else
133#define VMI_PAGE_L1 (VMI_PAGE_PT | VMI_PAGE_ZEROED)
134#define VMI_PAGE_L2 (VMI_PAGE_PD | VMI_PAGE_ZEROED)
135#endif
136
137/* Flags used by VMI_FlushTLB call */
138#define VMI_FLUSH_TLB 0x01
139#define VMI_FLUSH_GLOBAL 0x02
140
141/*
142 *---------------------------------------------------------------------
143 *
144 * VMI relocation definitions for ROM call get_reloc
145 *
146 *---------------------------------------------------------------------
147 */
148
149/* VMI Relocation types */
150#define VMI_RELOCATION_NONE 0
151#define VMI_RELOCATION_CALL_REL 1
152#define VMI_RELOCATION_JUMP_REL 2
153#define VMI_RELOCATION_NOP 3
154
155#ifndef __ASSEMBLY__
156struct vmi_relocation_info {
157 unsigned char *eip;
158 unsigned char type;
159 unsigned char reserved[3];
160};
161#endif
162
163
164/*
165 *---------------------------------------------------------------------
166 *
167 * Generic ROM structures and definitions
168 *
169 *---------------------------------------------------------------------
170 */
171
172#ifndef __ASSEMBLY__
173
174struct vrom_header {
175 u16 rom_signature; // option ROM signature
176 u8 rom_length; // ROM length in 512 byte chunks
177 u8 rom_entry[4]; // 16-bit code entry point
178 u8 rom_pad0; // 4-byte align pad
179 u32 vrom_signature; // VROM identification signature
180 u8 api_version_min;// Minor version of API
181 u8 api_version_maj;// Major version of API
182 u8 jump_slots; // Number of jump slots
183 u8 reserved1; // Reserved for expansion
184 u32 virtual_top; // Hypervisor virtual address start
185 u16 reserved2; // Reserved for expansion
186 u16 license_offs; // Offset to License string
187 u16 pci_header_offs;// Offset to PCI OPROM header
188 u16 pnp_header_offs;// Offset to PnP OPROM header
189 u32 rom_pad3; // PnP reserverd / VMI reserved
190 u8 reserved[96]; // Reserved for headers
191 char vmi_init[8]; // VMI_Init jump point
192 char get_reloc[8]; // VMI_GetRelocationInfo jump point
193} __attribute__((packed));
194
195struct pnp_header {
196 char sig[4];
197 char rev;
198 char size;
199 short next;
200 short res;
201 long devID;
202 unsigned short manufacturer_offset;
203 unsigned short product_offset;
204} __attribute__((packed));
205
206struct pci_header {
207 char sig[4];
208 short vendorID;
209 short deviceID;
210 short vpdData;
211 short size;
212 char rev;
213 char class;
214 char subclass;
215 char interface;
216 short chunks;
217 char rom_version_min;
218 char rom_version_maj;
219 char codetype;
220 char lastRom;
221 short reserved;
222} __attribute__((packed));
223
224/* Function prototypes for bootstrapping */
225extern void vmi_init(void);
226extern void vmi_bringup(void);
227extern void vmi_apply_boot_page_allocations(void);
228
229/* State needed to start an application processor in an SMP system. */
230struct vmi_ap_state {
231 u32 cr0;
232 u32 cr2;
233 u32 cr3;
234 u32 cr4;
235
236 u64 efer;
237
238 u32 eip;
239 u32 eflags;
240 u32 eax;
241 u32 ebx;
242 u32 ecx;
243 u32 edx;
244 u32 esp;
245 u32 ebp;
246 u32 esi;
247 u32 edi;
248 u16 cs;
249 u16 ss;
250 u16 ds;
251 u16 es;
252 u16 fs;
253 u16 gs;
254 u16 ldtr;
255
256 u16 gdtr_limit;
257 u32 gdtr_base;
258 u32 idtr_base;
259 u16 idtr_limit;
260};
261
262#endif