1 files changed, 315 insertions, 0 deletions

diff --git a/drivers/kvm/svm.h b/drivers/kvm/svm.h
new file mode 100644
index 000000000000..df731c3fb588
--- /dev/null
+++ b/drivers/kvm/svm.h
@@ -0,0 +1,315 @@
+#ifndef __SVM_H
+#define __SVM_H
+
+enum {
+        INTERCEPT_INTR,
+        INTERCEPT_NMI,
+        INTERCEPT_SMI,
+        INTERCEPT_INIT,
+        INTERCEPT_VINTR,
+        INTERCEPT_SELECTIVE_CR0,
+        INTERCEPT_STORE_IDTR,
+        INTERCEPT_STORE_GDTR,
+        INTERCEPT_STORE_LDTR,
+        INTERCEPT_STORE_TR,
+        INTERCEPT_LOAD_IDTR,
+        INTERCEPT_LOAD_GDTR,
+        INTERCEPT_LOAD_LDTR,
+        INTERCEPT_LOAD_TR,
+        INTERCEPT_RDTSC,
+        INTERCEPT_RDPMC,
+        INTERCEPT_PUSHF,
+        INTERCEPT_POPF,
+        INTERCEPT_CPUID,
+        INTERCEPT_RSM,
+        INTERCEPT_IRET,
+        INTERCEPT_INTn,
+        INTERCEPT_INVD,
+        INTERCEPT_PAUSE,
+        INTERCEPT_HLT,
+        INTERCEPT_INVLPG,
+        INTERCEPT_INVLPGA,
+        INTERCEPT_IOIO_PROT,
+        INTERCEPT_MSR_PROT,
+        INTERCEPT_TASK_SWITCH,
+        INTERCEPT_FERR_FREEZE,
+        INTERCEPT_SHUTDOWN,
+        INTERCEPT_VMRUN,
+        INTERCEPT_VMMCALL,
+        INTERCEPT_VMLOAD,
+        INTERCEPT_VMSAVE,
+        INTERCEPT_STGI,
+        INTERCEPT_CLGI,
+        INTERCEPT_SKINIT,
+        INTERCEPT_RDTSCP,
+        INTERCEPT_ICEBP,
+        INTERCEPT_WBINVD,
+};
+
+
+struct __attribute__ ((__packed__)) vmcb_control_area {
+        u16 intercept_cr_read;
+        u16 intercept_cr_write;
+        u16 intercept_dr_read;
+        u16 intercept_dr_write;
+        u32 intercept_exceptions;
+        u64 intercept;
+        u8 reserved_1[44];
+        u64 iopm_base_pa;
+        u64 msrpm_base_pa;
+        u64 tsc_offset;
+        u32 asid;
+        u8 tlb_ctl;
+        u8 reserved_2[3];
+        u32 int_ctl;
+        u32 int_vector;
+        u32 int_state;
+        u8 reserved_3[4];
+        u32 exit_code;
+        u32 exit_code_hi;
+        u64 exit_info_1;
+        u64 exit_info_2;
+        u32 exit_int_info;
+        u32 exit_int_info_err;
+        u64 nested_ctl;
+        u8 reserved_4[16];
+        u32 event_inj;
+        u32 event_inj_err;
+        u64 nested_cr3;
+        u64 lbr_ctl;
+        u8 reserved_5[832];
+};
+
+
+#define TLB_CONTROL_DO_NOTHING 0
+#define TLB_CONTROL_FLUSH_ALL_ASID 1
+
+#define V_TPR_MASK 0x0f
+
+#define V_IRQ_SHIFT 8
+#define V_IRQ_MASK (1 << V_IRQ_SHIFT)
+
+#define V_INTR_PRIO_SHIFT 16
+#define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT)
+
+#define V_IGN_TPR_SHIFT 20
+#define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)
+
+#define V_INTR_MASKING_SHIFT 24
+#define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)
+
+#define SVM_INTERRUPT_SHADOW_MASK 1
+
+#define SVM_IOIO_STR_SHIFT 2
+#define SVM_IOIO_REP_SHIFT 3
+#define SVM_IOIO_SIZE_SHIFT 4
+#define SVM_IOIO_ASIZE_SHIFT 7
+
+#define SVM_IOIO_TYPE_MASK 1
+#define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT)
+#define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT)
+#define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
+#define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
+
+struct __attribute__ ((__packed__)) vmcb_seg {
+        u16 selector;
+        u16 attrib;
+        u32 limit;
+        u64 base;
+};
+
+struct __attribute__ ((__packed__)) vmcb_save_area {
+        struct vmcb_seg es;
+        struct vmcb_seg cs;
+        struct vmcb_seg ss;
+        struct vmcb_seg ds;
+        struct vmcb_seg fs;
+        struct vmcb_seg gs;
+        struct vmcb_seg gdtr;
+        struct vmcb_seg ldtr;
+        struct vmcb_seg idtr;
+        struct vmcb_seg tr;
+        u8 reserved_1[43];
+        u8 cpl;
+        u8 reserved_2[4];
+        u64 efer;
+        u8 reserved_3[112];
+        u64 cr4;
+        u64 cr3;
+        u64 cr0;
+        u64 dr7;
+        u64 dr6;
+        u64 rflags;
+        u64 rip;
+        u8 reserved_4[88];
+        u64 rsp;
+        u8 reserved_5[24];
+        u64 rax;
+        u64 star;
+        u64 lstar;
+        u64 cstar;
+        u64 sfmask;
+        u64 kernel_gs_base;
+        u64 sysenter_cs;
+        u64 sysenter_esp;
+        u64 sysenter_eip;
+        u64 cr2;
+        u8 reserved_6[32];
+        u64 g_pat;
+        u64 dbgctl;
+        u64 br_from;
+        u64 br_to;
+        u64 last_excp_from;
+        u64 last_excp_to;
+};
+
+struct __attribute__ ((__packed__)) vmcb {
+        struct vmcb_control_area control;
+        struct vmcb_save_area save;
+};
+
+#define SVM_CPUID_FEATURE_SHIFT 2
+#define SVM_CPUID_FUNC 0x8000000a
+
+#define MSR_EFER_SVME_MASK (1ULL << 12)
+#define MSR_VM_HSAVE_PA 0xc0010117ULL
+
+#define SVM_SELECTOR_S_SHIFT 4
+#define SVM_SELECTOR_DPL_SHIFT 5
+#define SVM_SELECTOR_P_SHIFT 7
+#define SVM_SELECTOR_AVL_SHIFT 8
+#define SVM_SELECTOR_L_SHIFT 9
+#define SVM_SELECTOR_DB_SHIFT 10
+#define SVM_SELECTOR_G_SHIFT 11
+
+#define SVM_SELECTOR_TYPE_MASK (0xf)
+#define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT)
+#define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT)
+#define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT)
+#define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT)
+#define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT)
+#define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT)
+#define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT)
+
+#define SVM_SELECTOR_WRITE_MASK (1 << 1)
+#define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK
+#define SVM_SELECTOR_CODE_MASK (1 << 3)
+
+#define INTERCEPT_CR0_MASK 1
+#define INTERCEPT_CR3_MASK (1 << 3)
+#define INTERCEPT_CR4_MASK (1 << 4)
+
+#define INTERCEPT_DR0_MASK 1
+#define INTERCEPT_DR1_MASK (1 << 1)
+#define INTERCEPT_DR2_MASK (1 << 2)
+#define INTERCEPT_DR3_MASK (1 << 3)
+#define INTERCEPT_DR4_MASK (1 << 4)
+#define INTERCEPT_DR5_MASK (1 << 5)
+#define INTERCEPT_DR6_MASK (1 << 6)
+#define INTERCEPT_DR7_MASK (1 << 7)
+
+#define SVM_EVTINJ_VEC_MASK 0xff
+
+#define SVM_EVTINJ_TYPE_SHIFT 8
+#define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT)
+
+#define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT)
+#define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT)
+#define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT)
+#define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT)
+
+#define SVM_EVTINJ_VALID (1 << 31)
+#define SVM_EVTINJ_VALID_ERR (1 << 11)
+
+#define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK
+
+#define SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR
+#define SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI
+#define SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
+#define SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT
+
+#define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID
+#define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR
+
+#define SVM_EXIT_READ_CR0       0x000
+#define SVM_EXIT_READ_CR3       0x003
+#define SVM_EXIT_READ_CR4       0x004
+#define SVM_EXIT_READ_CR8       0x008
+#define SVM_EXIT_WRITE_CR0      0x010
+#define SVM_EXIT_WRITE_CR3      0x013
+#define SVM_EXIT_WRITE_CR4      0x014
+#define SVM_EXIT_WRITE_CR8      0x018
+#define SVM_EXIT_READ_DR0       0x020
+#define SVM_EXIT_READ_DR1       0x021
+#define SVM_EXIT_READ_DR2       0x022
+#define SVM_EXIT_READ_DR3       0x023
+#define SVM_EXIT_READ_DR4       0x024
+#define SVM_EXIT_READ_DR5       0x025
+#define SVM_EXIT_READ_DR6       0x026
+#define SVM_EXIT_READ_DR7       0x027
+#define SVM_EXIT_WRITE_DR0      0x030
+#define SVM_EXIT_WRITE_DR1      0x031
+#define SVM_EXIT_WRITE_DR2      0x032
+#define SVM_EXIT_WRITE_DR3      0x033
+#define SVM_EXIT_WRITE_DR4      0x034
+#define SVM_EXIT_WRITE_DR5      0x035
+#define SVM_EXIT_WRITE_DR6      0x036
+#define SVM_EXIT_WRITE_DR7      0x037
+#define SVM_EXIT_EXCP_BASE      0x040
+#define SVM_EXIT_INTR           0x060
+#define SVM_EXIT_NMI            0x061
+#define SVM_EXIT_SMI            0x062
+#define SVM_EXIT_INIT           0x063
+#define SVM_EXIT_VINTR          0x064
+#define SVM_EXIT_CR0_SEL_WRITE  0x065
+#define SVM_EXIT_IDTR_READ      0x066
+#define SVM_EXIT_GDTR_READ      0x067
+#define SVM_EXIT_LDTR_READ      0x068
+#define SVM_EXIT_TR_READ        0x069
+#define SVM_EXIT_IDTR_WRITE     0x06a
+#define SVM_EXIT_GDTR_WRITE     0x06b
+#define SVM_EXIT_LDTR_WRITE     0x06c
+#define SVM_EXIT_TR_WRITE       0x06d
+#define SVM_EXIT_RDTSC          0x06e
+#define SVM_EXIT_RDPMC          0x06f
+#define SVM_EXIT_PUSHF          0x070
+#define SVM_EXIT_POPF           0x071
+#define SVM_EXIT_CPUID          0x072
+#define SVM_EXIT_RSM            0x073
+#define SVM_EXIT_IRET           0x074
+#define SVM_EXIT_SWINT          0x075
+#define SVM_EXIT_INVD           0x076
+#define SVM_EXIT_PAUSE          0x077
+#define SVM_EXIT_HLT            0x078
+#define SVM_EXIT_INVLPG         0x079
+#define SVM_EXIT_INVLPGA        0x07a
+#define SVM_EXIT_IOIO           0x07b
+#define SVM_EXIT_MSR            0x07c
+#define SVM_EXIT_TASK_SWITCH    0x07d
+#define SVM_EXIT_FERR_FREEZE    0x07e
+#define SVM_EXIT_SHUTDOWN       0x07f
+#define SVM_EXIT_VMRUN          0x080
+#define SVM_EXIT_VMMCALL        0x081
+#define SVM_EXIT_VMLOAD         0x082
+#define SVM_EXIT_VMSAVE         0x083
+#define SVM_EXIT_STGI           0x084
+#define SVM_EXIT_CLGI           0x085
+#define SVM_EXIT_SKINIT         0x086
+#define SVM_EXIT_RDTSCP         0x087
+#define SVM_EXIT_ICEBP          0x088
+#define SVM_EXIT_WBINVD         0x089
+#define SVM_EXIT_NPF            0x400
+
+#define SVM_EXIT_ERR            -1
+
+#define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) // TS and MP
+
+#define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
+#define SVM_VMRUN  ".byte 0x0f, 0x01, 0xd8"
+#define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb"
+#define SVM_CLGI   ".byte 0x0f, 0x01, 0xdd"
+#define SVM_STGI   ".byte 0x0f, 0x01, 0xdc"
+#define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf"
+
+#endif
+