[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>
diff --git a/include/asm-i386/vmi.h b/include/asm-i386/vmi.h
new file mode 100644
index 0000000..43c8933
--- /dev/null
+++ b/include/asm-i386/vmi.h
@@ -0,0 +1,262 @@
+/*
+ * 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