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-rw-r--r--arch/x86/include/asm/i387.h2
-rw-r--r--arch/x86/include/asm/intel_scu_ipc.h20
-rw-r--r--arch/x86/include/asm/kvm.h22
-rw-r--r--arch/x86/include/asm/kvm_emulate.h30
-rw-r--r--arch/x86/include/asm/kvm_host.h70
-rw-r--r--arch/x86/include/asm/msr-index.h2
-rw-r--r--arch/x86/include/asm/system.h7
-rw-r--r--arch/x86/include/asm/vmx.h5
-rw-r--r--arch/x86/include/asm/xsave.h6
9 files changed, 92 insertions, 72 deletions
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index c991b3a..815c5b2 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -482,6 +482,8 @@ static inline void fpu_copy(struct fpu *dst, struct fpu *src)
memcpy(dst->state, src->state, xstate_size);
}
+extern void fpu_finit(struct fpu *fpu);
+
#endif /* __ASSEMBLY__ */
#define PSHUFB_XMM5_XMM0 .byte 0x66, 0x0f, 0x38, 0x00, 0xc5
diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
index 4470c9a..29f6679 100644
--- a/arch/x86/include/asm/intel_scu_ipc.h
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -1,6 +1,12 @@
#ifndef _ASM_X86_INTEL_SCU_IPC_H_
#define _ASM_X86_INTEL_SCU_IPC_H_
+#define IPCMSG_VRTC 0xFA /* Set vRTC device */
+
+/* Command id associated with message IPCMSG_VRTC */
+#define IPC_CMD_VRTC_SETTIME 1 /* Set time */
+#define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */
+
/* Read single register */
int intel_scu_ipc_ioread8(u16 addr, u8 *data);
@@ -28,20 +34,6 @@ int intel_scu_ipc_writev(u16 *addr, u8 *data, int len);
/* Update single register based on the mask */
int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask);
-/*
- * Indirect register read
- * Can be used when SCCB(System Controller Configuration Block) register
- * HRIM(Honor Restricted IPC Messages) is set (bit 23)
- */
-int intel_scu_ipc_register_read(u32 addr, u32 *data);
-
-/*
- * Indirect register write
- * Can be used when SCCB(System Controller Configuration Block) register
- * HRIM(Honor Restricted IPC Messages) is set (bit 23)
- */
-int intel_scu_ipc_register_write(u32 addr, u32 data);
-
/* Issue commands to the SCU with or without data */
int intel_scu_ipc_simple_command(int cmd, int sub);
int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index ff90055..4d8dcbd 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -22,6 +22,8 @@
#define __KVM_HAVE_XEN_HVM
#define __KVM_HAVE_VCPU_EVENTS
#define __KVM_HAVE_DEBUGREGS
+#define __KVM_HAVE_XSAVE
+#define __KVM_HAVE_XCRS
/* Architectural interrupt line count. */
#define KVM_NR_INTERRUPTS 256
@@ -299,4 +301,24 @@ struct kvm_debugregs {
__u64 reserved[9];
};
+/* for KVM_CAP_XSAVE */
+struct kvm_xsave {
+ __u32 region[1024];
+};
+
+#define KVM_MAX_XCRS 16
+
+struct kvm_xcr {
+ __u32 xcr;
+ __u32 reserved;
+ __u64 value;
+};
+
+struct kvm_xcrs {
+ __u32 nr_xcrs;
+ __u32 flags;
+ struct kvm_xcr xcrs[KVM_MAX_XCRS];
+ __u64 padding[16];
+};
+
#endif /* _ASM_X86_KVM_H */
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 0b2729b..51cfd73 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -51,8 +51,10 @@ struct x86_emulate_ctxt;
#define X86EMUL_UNHANDLEABLE 1
/* Terminate emulation but return success to the caller. */
#define X86EMUL_PROPAGATE_FAULT 2 /* propagate a generated fault to guest */
-#define X86EMUL_RETRY_INSTR 2 /* retry the instruction for some reason */
-#define X86EMUL_CMPXCHG_FAILED 2 /* cmpxchg did not see expected value */
+#define X86EMUL_RETRY_INSTR 3 /* retry the instruction for some reason */
+#define X86EMUL_CMPXCHG_FAILED 4 /* cmpxchg did not see expected value */
+#define X86EMUL_IO_NEEDED 5 /* IO is needed to complete emulation */
+
struct x86_emulate_ops {
/*
* read_std: Read bytes of standard (non-emulated/special) memory.
@@ -92,6 +94,7 @@ struct x86_emulate_ops {
int (*read_emulated)(unsigned long addr,
void *val,
unsigned int bytes,
+ unsigned int *error,
struct kvm_vcpu *vcpu);
/*
@@ -104,6 +107,7 @@ struct x86_emulate_ops {
int (*write_emulated)(unsigned long addr,
const void *val,
unsigned int bytes,
+ unsigned int *error,
struct kvm_vcpu *vcpu);
/*
@@ -118,6 +122,7 @@ struct x86_emulate_ops {
const void *old,
const void *new,
unsigned int bytes,
+ unsigned int *error,
struct kvm_vcpu *vcpu);
int (*pio_in_emulated)(int size, unsigned short port, void *val,
@@ -132,18 +137,26 @@ struct x86_emulate_ops {
int seg, struct kvm_vcpu *vcpu);
u16 (*get_segment_selector)(int seg, struct kvm_vcpu *vcpu);
void (*set_segment_selector)(u16 sel, int seg, struct kvm_vcpu *vcpu);
+ unsigned long (*get_cached_segment_base)(int seg, struct kvm_vcpu *vcpu);
void (*get_gdt)(struct desc_ptr *dt, struct kvm_vcpu *vcpu);
ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
- void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
+ int (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
int (*cpl)(struct kvm_vcpu *vcpu);
- void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
+ int (*get_dr)(int dr, unsigned long *dest, struct kvm_vcpu *vcpu);
+ int (*set_dr)(int dr, unsigned long value, struct kvm_vcpu *vcpu);
+ int (*set_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
+ int (*get_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata);
};
/* Type, address-of, and value of an instruction's operand. */
struct operand {
enum { OP_REG, OP_MEM, OP_IMM, OP_NONE } type;
unsigned int bytes;
- unsigned long val, orig_val, *ptr;
+ unsigned long orig_val, *ptr;
+ union {
+ unsigned long val;
+ char valptr[sizeof(unsigned long) + 2];
+ };
};
struct fetch_cache {
@@ -186,6 +199,7 @@ struct decode_cache {
unsigned long modrm_val;
struct fetch_cache fetch;
struct read_cache io_read;
+ struct read_cache mem_read;
};
struct x86_emulate_ctxt {
@@ -202,6 +216,12 @@ struct x86_emulate_ctxt {
int interruptibility;
bool restart; /* restart string instruction after writeback */
+
+ int exception; /* exception that happens during emulation or -1 */
+ u32 error_code; /* error code for exception */
+ bool error_code_valid;
+ unsigned long cr2; /* faulted address in case of #PF */
+
/* decode cache */
struct decode_cache decode;
};
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 76f5483..502e53f 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -15,6 +15,7 @@
#include <linux/mm.h>
#include <linux/mmu_notifier.h>
#include <linux/tracepoint.h>
+#include <linux/cpumask.h>
#include <linux/kvm.h>
#include <linux/kvm_para.h>
@@ -39,11 +40,14 @@
0xFFFFFF0000000000ULL)
#define INVALID_PAGE (~(hpa_t)0)
+#define VALID_PAGE(x) ((x) != INVALID_PAGE)
+
#define UNMAPPED_GVA (~(gpa_t)0)
/* KVM Hugepage definitions for x86 */
#define KVM_NR_PAGE_SIZES 3
-#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + (((x) - 1) * 9))
+#define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9)
+#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
#define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x))
#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1))
#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
@@ -69,8 +73,6 @@
#define IOPL_SHIFT 12
-#define KVM_ALIAS_SLOTS 4
-
#define KVM_PERMILLE_MMU_PAGES 20
#define KVM_MIN_ALLOC_MMU_PAGES 64
#define KVM_MMU_HASH_SHIFT 10
@@ -241,7 +243,7 @@ struct kvm_mmu {
void (*prefetch_page)(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *page);
int (*sync_page)(struct kvm_vcpu *vcpu,
- struct kvm_mmu_page *sp);
+ struct kvm_mmu_page *sp, bool clear_unsync);
void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva);
hpa_t root_hpa;
int root_level;
@@ -301,8 +303,8 @@ struct kvm_vcpu_arch {
unsigned long mmu_seq;
} update_pte;
- struct i387_fxsave_struct host_fx_image;
- struct i387_fxsave_struct guest_fx_image;
+ struct fpu guest_fpu;
+ u64 xcr0;
gva_t mmio_fault_cr2;
struct kvm_pio_request pio;
@@ -360,26 +362,11 @@ struct kvm_vcpu_arch {
/* fields used by HYPER-V emulation */
u64 hv_vapic;
-};
-
-struct kvm_mem_alias {
- gfn_t base_gfn;
- unsigned long npages;
- gfn_t target_gfn;
-#define KVM_ALIAS_INVALID 1UL
- unsigned long flags;
-};
-#define KVM_ARCH_HAS_UNALIAS_INSTANTIATION
-
-struct kvm_mem_aliases {
- struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
- int naliases;
+ cpumask_var_t wbinvd_dirty_mask;
};
struct kvm_arch {
- struct kvm_mem_aliases *aliases;
-
unsigned int n_free_mmu_pages;
unsigned int n_requested_mmu_pages;
unsigned int n_alloc_mmu_pages;
@@ -533,6 +520,8 @@ struct kvm_x86_ops {
void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry);
+ bool (*has_wbinvd_exit)(void);
+
const struct trace_print_flags *exit_reasons_str;
};
@@ -576,7 +565,6 @@ enum emulation_result {
#define EMULTYPE_SKIP (1 << 2)
int emulate_instruction(struct kvm_vcpu *vcpu,
unsigned long cr2, u16 error_code, int emulation_type);
-void kvm_report_emulation_failure(struct kvm_vcpu *cvpu, const char *context);
void realmode_lgdt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
void realmode_lidt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
@@ -591,10 +579,7 @@ void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
int kvm_emulate_halt(struct kvm_vcpu *vcpu);
int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
int emulate_clts(struct kvm_vcpu *vcpu);
-int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr,
- unsigned long *dest);
-int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
- unsigned long value);
+int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu);
void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg);
int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
@@ -602,15 +587,16 @@ int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason,
bool has_error_code, u32 error_code);
-void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
-void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
-void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
+int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
+int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
+int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
void kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val);
int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val);
unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l);
+int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr);
int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata);
int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data);
@@ -630,12 +616,7 @@ int kvm_pic_set_irq(void *opaque, int irq, int level);
void kvm_inject_nmi(struct kvm_vcpu *vcpu);
-void fx_init(struct kvm_vcpu *vcpu);
-
-int emulator_write_emulated(unsigned long addr,
- const void *val,
- unsigned int bytes,
- struct kvm_vcpu *vcpu);
+int fx_init(struct kvm_vcpu *vcpu);
void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu);
void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
@@ -664,8 +645,6 @@ void kvm_disable_tdp(void);
int complete_pio(struct kvm_vcpu *vcpu);
bool kvm_check_iopl(struct kvm_vcpu *vcpu);
-struct kvm_memory_slot *gfn_to_memslot_unaliased(struct kvm *kvm, gfn_t gfn);
-
static inline struct kvm_mmu_page *page_header(hpa_t shadow_page)
{
struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT);
@@ -719,21 +698,6 @@ static inline unsigned long read_msr(unsigned long msr)
}
#endif
-static inline void kvm_fx_save(struct i387_fxsave_struct *image)
-{
- asm("fxsave (%0)":: "r" (image));
-}
-
-static inline void kvm_fx_restore(struct i387_fxsave_struct *image)
-{
- asm("fxrstor (%0)":: "r" (image));
-}
-
-static inline void kvm_fx_finit(void)
-{
- asm("finit");
-}
-
static inline u32 get_rdx_init_val(void)
{
return 0x600; /* P6 family */
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 8c7ae43..509a421 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -20,6 +20,7 @@
#define _EFER_LMA 10 /* Long mode active (read-only) */
#define _EFER_NX 11 /* No execute enable */
#define _EFER_SVME 12 /* Enable virtualization */
+#define _EFER_LMSLE 13 /* Long Mode Segment Limit Enable */
#define _EFER_FFXSR 14 /* Enable Fast FXSAVE/FXRSTOR */
#define EFER_SCE (1<<_EFER_SCE)
@@ -27,6 +28,7 @@
#define EFER_LMA (1<<_EFER_LMA)
#define EFER_NX (1<<_EFER_NX)
#define EFER_SVME (1<<_EFER_SVME)
+#define EFER_LMSLE (1<<_EFER_LMSLE)
#define EFER_FFXSR (1<<_EFER_FFXSR)
/* Intel MSRs. Some also available on other CPUs */
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index e7f4d33..33ecc3e 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -457,4 +457,11 @@ static __always_inline void rdtsc_barrier(void)
alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
}
+/*
+ * We handle most unaligned accesses in hardware. On the other hand
+ * unaligned DMA can be quite expensive on some Nehalem processors.
+ *
+ * Based on this we disable the IP header alignment in network drivers.
+ */
+#define NET_IP_ALIGN 0
#endif /* _ASM_X86_SYSTEM_H */
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 9e6779f..9f0cbd9 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -257,6 +257,7 @@ enum vmcs_field {
#define EXIT_REASON_IO_INSTRUCTION 30
#define EXIT_REASON_MSR_READ 31
#define EXIT_REASON_MSR_WRITE 32
+#define EXIT_REASON_INVALID_STATE 33
#define EXIT_REASON_MWAIT_INSTRUCTION 36
#define EXIT_REASON_MONITOR_INSTRUCTION 39
#define EXIT_REASON_PAUSE_INSTRUCTION 40
@@ -266,6 +267,7 @@ enum vmcs_field {
#define EXIT_REASON_EPT_VIOLATION 48
#define EXIT_REASON_EPT_MISCONFIG 49
#define EXIT_REASON_WBINVD 54
+#define EXIT_REASON_XSETBV 55
/*
* Interruption-information format
@@ -375,6 +377,9 @@ enum vmcs_field {
#define VMX_EPT_EXTENT_CONTEXT_BIT (1ull << 25)
#define VMX_EPT_EXTENT_GLOBAL_BIT (1ull << 26)
+#define VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT (1ull << 9) /* (41 - 32) */
+#define VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT (1ull << 10) /* (42 - 32) */
+
#define VMX_EPT_DEFAULT_GAW 3
#define VMX_EPT_MAX_GAW 0x4
#define VMX_EPT_MT_EPTE_SHIFT 3
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index 2c4390c..32c3666 100644
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -13,6 +13,12 @@
#define FXSAVE_SIZE 512
+#define XSAVE_HDR_SIZE 64
+#define XSAVE_HDR_OFFSET FXSAVE_SIZE
+
+#define XSAVE_YMM_SIZE 256
+#define XSAVE_YMM_OFFSET (XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET)
+
/*
* These are the features that the OS can handle currently.
*/
generated by cgit v1.1 at 2024-12-24 16:36:37 +0000