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-rw-r--r--arch/x86/include/uapi/asm/amd_hsmp.h307
-rw-r--r--arch/x86/include/uapi/asm/auxvec.h4
-rw-r--r--arch/x86/include/uapi/asm/bootparam.h27
-rw-r--r--arch/x86/include/uapi/asm/debugreg.h1
-rw-r--r--arch/x86/include/uapi/asm/hwcap2.h7
-rw-r--r--arch/x86/include/uapi/asm/kvm.h113
-rw-r--r--arch/x86/include/uapi/asm/kvm_para.h32
-rw-r--r--arch/x86/include/uapi/asm/mce.h1
-rw-r--r--arch/x86/include/uapi/asm/mman.h14
-rw-r--r--arch/x86/include/uapi/asm/msgbuf.h2
-rw-r--r--arch/x86/include/uapi/asm/prctl.h24
-rw-r--r--arch/x86/include/uapi/asm/processor-flags.h2
-rw-r--r--arch/x86/include/uapi/asm/sgx.h232
-rw-r--r--arch/x86/include/uapi/asm/shmbuf.h8
-rw-r--r--arch/x86/include/uapi/asm/sigcontext.h2
-rw-r--r--arch/x86/include/uapi/asm/signal.h26
-rw-r--r--arch/x86/include/uapi/asm/svm.h57
-rw-r--r--arch/x86/include/uapi/asm/unistd.h11
-rw-r--r--arch/x86/include/uapi/asm/vm86.h4
-rw-r--r--arch/x86/include/uapi/asm/vmx.h12
20 files changed, 802 insertions, 84 deletions
diff --git a/arch/x86/include/uapi/asm/amd_hsmp.h b/arch/x86/include/uapi/asm/amd_hsmp.h
new file mode 100644
index 000000000000..769b939444ae
--- /dev/null
+++ b/arch/x86/include/uapi/asm/amd_hsmp.h
@@ -0,0 +1,307 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#ifndef _UAPI_ASM_X86_AMD_HSMP_H_
+#define _UAPI_ASM_X86_AMD_HSMP_H_
+
+#include <linux/types.h>
+
+#pragma pack(4)
+
+#define HSMP_MAX_MSG_LEN 8
+
+/*
+ * HSMP Messages supported
+ */
+enum hsmp_message_ids {
+ HSMP_TEST = 1, /* 01h Increments input value by 1 */
+ HSMP_GET_SMU_VER, /* 02h SMU FW version */
+ HSMP_GET_PROTO_VER, /* 03h HSMP interface version */
+ HSMP_GET_SOCKET_POWER, /* 04h average package power consumption */
+ HSMP_SET_SOCKET_POWER_LIMIT, /* 05h Set the socket power limit */
+ HSMP_GET_SOCKET_POWER_LIMIT, /* 06h Get current socket power limit */
+ HSMP_GET_SOCKET_POWER_LIMIT_MAX,/* 07h Get maximum socket power value */
+ HSMP_SET_BOOST_LIMIT, /* 08h Set a core maximum frequency limit */
+ HSMP_SET_BOOST_LIMIT_SOCKET, /* 09h Set socket maximum frequency level */
+ HSMP_GET_BOOST_LIMIT, /* 0Ah Get current frequency limit */
+ HSMP_GET_PROC_HOT, /* 0Bh Get PROCHOT status */
+ HSMP_SET_XGMI_LINK_WIDTH, /* 0Ch Set max and min width of xGMI Link */
+ HSMP_SET_DF_PSTATE, /* 0Dh Alter APEnable/Disable messages behavior */
+ HSMP_SET_AUTO_DF_PSTATE, /* 0Eh Enable DF P-State Performance Boost algorithm */
+ HSMP_GET_FCLK_MCLK, /* 0Fh Get FCLK and MEMCLK for current socket */
+ HSMP_GET_CCLK_THROTTLE_LIMIT, /* 10h Get CCLK frequency limit in socket */
+ HSMP_GET_C0_PERCENT, /* 11h Get average C0 residency in socket */
+ HSMP_SET_NBIO_DPM_LEVEL, /* 12h Set max/min LCLK DPM Level for a given NBIO */
+ HSMP_GET_NBIO_DPM_LEVEL, /* 13h Get LCLK DPM level min and max for a given NBIO */
+ HSMP_GET_DDR_BANDWIDTH, /* 14h Get theoretical maximum and current DDR Bandwidth */
+ HSMP_GET_TEMP_MONITOR, /* 15h Get socket temperature */
+ HSMP_GET_DIMM_TEMP_RANGE, /* 16h Get per-DIMM temperature range and refresh rate */
+ HSMP_GET_DIMM_POWER, /* 17h Get per-DIMM power consumption */
+ HSMP_GET_DIMM_THERMAL, /* 18h Get per-DIMM thermal sensors */
+ HSMP_GET_SOCKET_FREQ_LIMIT, /* 19h Get current active frequency per socket */
+ HSMP_GET_CCLK_CORE_LIMIT, /* 1Ah Get CCLK frequency limit per core */
+ HSMP_GET_RAILS_SVI, /* 1Bh Get SVI-based Telemetry for all rails */
+ HSMP_GET_SOCKET_FMAX_FMIN, /* 1Ch Get Fmax and Fmin per socket */
+ HSMP_GET_IOLINK_BANDWITH, /* 1Dh Get current bandwidth on IO Link */
+ HSMP_GET_XGMI_BANDWITH, /* 1Eh Get current bandwidth on xGMI Link */
+ HSMP_SET_GMI3_WIDTH, /* 1Fh Set max and min GMI3 Link width */
+ HSMP_SET_PCI_RATE, /* 20h Control link rate on PCIe devices */
+ HSMP_SET_POWER_MODE, /* 21h Select power efficiency profile policy */
+ HSMP_SET_PSTATE_MAX_MIN, /* 22h Set the max and min DF P-State */
+ HSMP_MSG_ID_MAX,
+};
+
+struct hsmp_message {
+ __u32 msg_id; /* Message ID */
+ __u16 num_args; /* Number of input argument words in message */
+ __u16 response_sz; /* Number of expected output/response words */
+ __u32 args[HSMP_MAX_MSG_LEN]; /* argument/response buffer */
+ __u16 sock_ind; /* socket number */
+};
+
+enum hsmp_msg_type {
+ HSMP_RSVD = -1,
+ HSMP_SET = 0,
+ HSMP_GET = 1,
+};
+
+struct hsmp_msg_desc {
+ int num_args;
+ int response_sz;
+ enum hsmp_msg_type type;
+};
+
+/*
+ * User may use these comments as reference, please find the
+ * supported list of messages and message definition in the
+ * HSMP chapter of respective family/model PPR.
+ *
+ * Not supported messages would return -ENOMSG.
+ */
+static const struct hsmp_msg_desc hsmp_msg_desc_table[] = {
+ /* RESERVED */
+ {0, 0, HSMP_RSVD},
+
+ /*
+ * HSMP_TEST, num_args = 1, response_sz = 1
+ * input: args[0] = xx
+ * output: args[0] = xx + 1
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_SMU_VER, num_args = 0, response_sz = 1
+ * output: args[0] = smu fw ver
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_PROTO_VER, num_args = 0, response_sz = 1
+ * output: args[0] = proto version
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_SOCKET_POWER, num_args = 0, response_sz = 1
+ * output: args[0] = socket power in mWatts
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_SET_SOCKET_POWER_LIMIT, num_args = 1, response_sz = 0
+ * input: args[0] = power limit value in mWatts
+ */
+ {1, 0, HSMP_SET},
+
+ /*
+ * HSMP_GET_SOCKET_POWER_LIMIT, num_args = 0, response_sz = 1
+ * output: args[0] = socket power limit value in mWatts
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_SOCKET_POWER_LIMIT_MAX, num_args = 0, response_sz = 1
+ * output: args[0] = maximuam socket power limit in mWatts
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_SET_BOOST_LIMIT, num_args = 1, response_sz = 0
+ * input: args[0] = apic id[31:16] + boost limit value in MHz[15:0]
+ */
+ {1, 0, HSMP_SET},
+
+ /*
+ * HSMP_SET_BOOST_LIMIT_SOCKET, num_args = 1, response_sz = 0
+ * input: args[0] = boost limit value in MHz
+ */
+ {1, 0, HSMP_SET},
+
+ /*
+ * HSMP_GET_BOOST_LIMIT, num_args = 1, response_sz = 1
+ * input: args[0] = apic id
+ * output: args[0] = boost limit value in MHz
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_PROC_HOT, num_args = 0, response_sz = 1
+ * output: args[0] = proc hot status
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_SET_XGMI_LINK_WIDTH, num_args = 1, response_sz = 0
+ * input: args[0] = min link width[15:8] + max link width[7:0]
+ */
+ {1, 0, HSMP_SET},
+
+ /*
+ * HSMP_SET_DF_PSTATE, num_args = 1, response_sz = 0
+ * input: args[0] = df pstate[7:0]
+ */
+ {1, 0, HSMP_SET},
+
+ /* HSMP_SET_AUTO_DF_PSTATE, num_args = 0, response_sz = 0 */
+ {0, 0, HSMP_SET},
+
+ /*
+ * HSMP_GET_FCLK_MCLK, num_args = 0, response_sz = 2
+ * output: args[0] = fclk in MHz, args[1] = mclk in MHz
+ */
+ {0, 2, HSMP_GET},
+
+ /*
+ * HSMP_GET_CCLK_THROTTLE_LIMIT, num_args = 0, response_sz = 1
+ * output: args[0] = core clock in MHz
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_C0_PERCENT, num_args = 0, response_sz = 1
+ * output: args[0] = average c0 residency
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_SET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 0
+ * input: args[0] = nbioid[23:16] + max dpm level[15:8] + min dpm level[7:0]
+ */
+ {1, 0, HSMP_SET},
+
+ /*
+ * HSMP_GET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 1
+ * input: args[0] = nbioid[23:16]
+ * output: args[0] = max dpm level[15:8] + min dpm level[7:0]
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_DDR_BANDWIDTH, num_args = 0, response_sz = 1
+ * output: args[0] = max bw in Gbps[31:20] + utilised bw in Gbps[19:8] +
+ * bw in percentage[7:0]
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_TEMP_MONITOR, num_args = 0, response_sz = 1
+ * output: args[0] = temperature in degree celsius. [15:8] integer part +
+ * [7:5] fractional part
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_DIMM_TEMP_RANGE, num_args = 1, response_sz = 1
+ * input: args[0] = DIMM address[7:0]
+ * output: args[0] = refresh rate[3] + temperature range[2:0]
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_DIMM_POWER, num_args = 1, response_sz = 1
+ * input: args[0] = DIMM address[7:0]
+ * output: args[0] = DIMM power in mW[31:17] + update rate in ms[16:8] +
+ * DIMM address[7:0]
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_DIMM_THERMAL, num_args = 1, response_sz = 1
+ * input: args[0] = DIMM address[7:0]
+ * output: args[0] = temperature in degree celcius[31:21] + update rate in ms[16:8] +
+ * DIMM address[7:0]
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_SOCKET_FREQ_LIMIT, num_args = 0, response_sz = 1
+ * output: args[0] = frequency in MHz[31:16] + frequency source[15:0]
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_CCLK_CORE_LIMIT, num_args = 1, response_sz = 1
+ * input: args[0] = apic id [31:0]
+ * output: args[0] = frequency in MHz[31:0]
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_RAILS_SVI, num_args = 0, response_sz = 1
+ * output: args[0] = power in mW[31:0]
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_SOCKET_FMAX_FMIN, num_args = 0, response_sz = 1
+ * output: args[0] = fmax in MHz[31:16] + fmin in MHz[15:0]
+ */
+ {0, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_IOLINK_BANDWITH, num_args = 1, response_sz = 1
+ * input: args[0] = link id[15:8] + bw type[2:0]
+ * output: args[0] = io bandwidth in Mbps[31:0]
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_GET_XGMI_BANDWITH, num_args = 1, response_sz = 1
+ * input: args[0] = link id[15:8] + bw type[2:0]
+ * output: args[0] = xgmi bandwidth in Mbps[31:0]
+ */
+ {1, 1, HSMP_GET},
+
+ /*
+ * HSMP_SET_GMI3_WIDTH, num_args = 1, response_sz = 0
+ * input: args[0] = min link width[15:8] + max link width[7:0]
+ */
+ {1, 0, HSMP_SET},
+
+ /*
+ * HSMP_SET_PCI_RATE, num_args = 1, response_sz = 1
+ * input: args[0] = link rate control value
+ * output: args[0] = previous link rate control value
+ */
+ {1, 1, HSMP_SET},
+
+ /*
+ * HSMP_SET_POWER_MODE, num_args = 1, response_sz = 0
+ * input: args[0] = power efficiency mode[2:0]
+ */
+ {1, 0, HSMP_SET},
+
+ /*
+ * HSMP_SET_PSTATE_MAX_MIN, num_args = 1, response_sz = 0
+ * input: args[0] = min df pstate[15:8] + max df pstate[7:0]
+ */
+ {1, 0, HSMP_SET},
+};
+
+/* Reset to default packing */
+#pragma pack()
+
+/* Define unique ioctl command for hsmp msgs using generic _IOWR */
+#define HSMP_BASE_IOCTL_NR 0xF8
+#define HSMP_IOCTL_CMD _IOWR(HSMP_BASE_IOCTL_NR, 0, struct hsmp_message)
+
+#endif /*_ASM_X86_AMD_HSMP_H_*/
diff --git a/arch/x86/include/uapi/asm/auxvec.h b/arch/x86/include/uapi/asm/auxvec.h
index 580e3c567046..6beb55bbefa4 100644
--- a/arch/x86/include/uapi/asm/auxvec.h
+++ b/arch/x86/include/uapi/asm/auxvec.h
@@ -12,9 +12,9 @@
/* entries in ARCH_DLINFO: */
#if defined(CONFIG_IA32_EMULATION) || !defined(CONFIG_X86_64)
-# define AT_VECTOR_SIZE_ARCH 2
+# define AT_VECTOR_SIZE_ARCH 3
#else /* else it's non-compat x86-64 */
-# define AT_VECTOR_SIZE_ARCH 1
+# define AT_VECTOR_SIZE_ARCH 2
#endif
#endif /* _ASM_X86_AUXVEC_H */
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 8669c6bdbb84..01d19fc22346 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -10,11 +10,13 @@
#define SETUP_EFI 4
#define SETUP_APPLE_PROPERTIES 5
#define SETUP_JAILHOUSE 6
+#define SETUP_CC_BLOB 7
+#define SETUP_IMA 8
+#define SETUP_RNG_SEED 9
+#define SETUP_ENUM_MAX SETUP_RNG_SEED
#define SETUP_INDIRECT (1<<31)
-
-/* SETUP_INDIRECT | max(SETUP_*) */
-#define SETUP_TYPE_MAX (SETUP_INDIRECT | SETUP_JAILHOUSE)
+#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT)
/* ram_size flags */
#define RAMDISK_IMAGE_START_MASK 0x07FF
@@ -51,7 +53,7 @@ struct setup_data {
__u64 next;
__u32 type;
__u32 len;
- __u8 data[0];
+ __u8 data[];
};
/* extensible setup indirect data node */
@@ -171,6 +173,14 @@ struct jailhouse_setup_data {
} __attribute__((packed)) v2;
} __attribute__((packed));
+/*
+ * IMA buffer setup data information from the previous kernel during kexec
+ */
+struct ima_setup_data {
+ __u64 addr;
+ __u64 size;
+} __attribute__((packed));
+
/* The so-called "zeropage" */
struct boot_params {
struct screen_info screen_info; /* 0x000 */
@@ -187,7 +197,8 @@ struct boot_params {
__u32 ext_ramdisk_image; /* 0x0c0 */
__u32 ext_ramdisk_size; /* 0x0c4 */
__u32 ext_cmd_line_ptr; /* 0x0c8 */
- __u8 _pad4[116]; /* 0x0cc */
+ __u8 _pad4[112]; /* 0x0cc */
+ __u32 cc_blob_address; /* 0x13c */
struct edid_info edid_info; /* 0x140 */
struct efi_info efi_info; /* 0x1c0 */
__u32 alt_mem_k; /* 0x1e0 */
@@ -234,7 +245,7 @@ struct boot_params {
* handling of page tables.
*
* These enums should only ever be used by x86 code, and the code that uses
- * it should be well contained and compartamentalized.
+ * it should be well contained and compartmentalized.
*
* KVM and Xen HVM do not have a subarch as these are expected to follow
* standard x86 boot entries. If there is a genuine need for "hypervisor" type
@@ -252,10 +263,10 @@ struct boot_params {
* @X86_SUBARCH_XEN: Used for Xen guest types which follow the PV boot path,
* which start at asm startup_xen() entry point and later jump to the C
* xen_start_kernel() entry point. Both domU and dom0 type of guests are
- * currently supportd through this PV boot path.
+ * currently supported through this PV boot path.
* @X86_SUBARCH_INTEL_MID: Used for Intel MID (Mobile Internet Device) platform
* systems which do not have the PCI legacy interfaces.
- * @X86_SUBARCH_CE4100: Used for Intel CE media processor (CE4100) SoC for
+ * @X86_SUBARCH_CE4100: Used for Intel CE media processor (CE4100) SoC
* for settop boxes and media devices, the use of a subarch for CE4100
* is more of a hack...
*/
diff --git a/arch/x86/include/uapi/asm/debugreg.h b/arch/x86/include/uapi/asm/debugreg.h
index d95d080b30e3..0007ba077c0c 100644
--- a/arch/x86/include/uapi/asm/debugreg.h
+++ b/arch/x86/include/uapi/asm/debugreg.h
@@ -24,6 +24,7 @@
#define DR_TRAP3 (0x8) /* db3 */
#define DR_TRAP_BITS (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)
+#define DR_BUS_LOCK (0x800) /* bus_lock */
#define DR_STEP (0x4000) /* single-step */
#define DR_SWITCH (0x8000) /* task switch */
diff --git a/arch/x86/include/uapi/asm/hwcap2.h b/arch/x86/include/uapi/asm/hwcap2.h
index 8b2effe6efb8..054604aba9f0 100644
--- a/arch/x86/include/uapi/asm/hwcap2.h
+++ b/arch/x86/include/uapi/asm/hwcap2.h
@@ -2,7 +2,12 @@
#ifndef _ASM_X86_HWCAP2_H
#define _ASM_X86_HWCAP2_H
+#include <linux/const.h>
+
/* MONITOR/MWAIT enabled in Ring 3 */
-#define HWCAP2_RING3MWAIT (1 << 0)
+#define HWCAP2_RING3MWAIT _BITUL(0)
+
+/* Kernel allows FSGSBASE instructions available in Ring 3 */
+#define HWCAP2_FSGSBASE _BITUL(1)
#endif
diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index 3f3f780c8c65..46de10a809ec 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -12,6 +12,7 @@
#define KVM_PIO_PAGE_OFFSET 1
#define KVM_COALESCED_MMIO_PAGE_OFFSET 2
+#define KVM_DIRTY_LOG_PAGE_OFFSET 64
#define DE_VECTOR 0
#define DB_VECTOR 1
@@ -111,6 +112,7 @@ struct kvm_ioapic_state {
#define KVM_NR_IRQCHIPS 3
#define KVM_RUN_X86_SMM (1 << 0)
+#define KVM_RUN_X86_BUS_LOCK (1 << 1)
/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
@@ -157,6 +159,19 @@ struct kvm_sregs {
__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
};
+struct kvm_sregs2 {
+ /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
+ struct kvm_segment cs, ds, es, fs, gs, ss;
+ struct kvm_segment tr, ldt;
+ struct kvm_dtable gdt, idt;
+ __u64 cr0, cr2, cr3, cr4, cr8;
+ __u64 efer;
+ __u64 apic_base;
+ __u64 flags;
+ __u64 pdptrs[4];
+};
+#define KVM_SREGS2_FLAGS_PDPTRS_VALID 1
+
/* for KVM_GET_FPU and KVM_SET_FPU */
struct kvm_fpu {
__u8 fpr[8][16];
@@ -183,15 +198,35 @@ struct kvm_msrs {
__u32 nmsrs; /* number of msrs in entries */
__u32 pad;
- struct kvm_msr_entry entries[0];
+ struct kvm_msr_entry entries[];
};
/* for KVM_GET_MSR_INDEX_LIST */
struct kvm_msr_list {
__u32 nmsrs; /* number of msrs in entries */
- __u32 indices[0];
+ __u32 indices[];
};
+/* Maximum size of any access bitmap in bytes */
+#define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600
+
+/* for KVM_X86_SET_MSR_FILTER */
+struct kvm_msr_filter_range {
+#define KVM_MSR_FILTER_READ (1 << 0)
+#define KVM_MSR_FILTER_WRITE (1 << 1)
+ __u32 flags;
+ __u32 nmsrs; /* number of msrs in bitmap */
+ __u32 base; /* MSR index the bitmap starts at */
+ __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */
+};
+
+#define KVM_MSR_FILTER_MAX_RANGES 16
+struct kvm_msr_filter {
+#define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0)
+#define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0)
+ __u32 flags;
+ struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES];
+};
struct kvm_cpuid_entry {
__u32 function;
@@ -206,7 +241,7 @@ struct kvm_cpuid_entry {
struct kvm_cpuid {
__u32 nent;
__u32 padding;
- struct kvm_cpuid_entry entries[0];
+ struct kvm_cpuid_entry entries[];
};
struct kvm_cpuid_entry2 {
@@ -228,7 +263,7 @@ struct kvm_cpuid_entry2 {
struct kvm_cpuid2 {
__u32 nent;
__u32 padding;
- struct kvm_cpuid_entry2 entries[0];
+ struct kvm_cpuid_entry2 entries[];
};
/* for KVM_GET_PIT and KVM_SET_PIT */
@@ -260,6 +295,7 @@ struct kvm_debug_exit_arch {
#define KVM_GUESTDBG_USE_HW_BP 0x00020000
#define KVM_GUESTDBG_INJECT_DB 0x00040000
#define KVM_GUESTDBG_INJECT_BP 0x00080000
+#define KVM_GUESTDBG_BLOCKIRQ 0x00100000
/* for KVM_SET_GUEST_DEBUG */
struct kvm_guest_debug_arch {
@@ -270,7 +306,8 @@ struct kvm_pit_state {
struct kvm_pit_channel_state channels[3];
};
-#define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
+#define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
+#define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002
struct kvm_pit_state2 {
struct kvm_pit_channel_state channels[3];
@@ -289,6 +326,7 @@ struct kvm_reinject_control {
#define KVM_VCPUEVENT_VALID_SHADOW 0x00000004
#define KVM_VCPUEVENT_VALID_SMM 0x00000008
#define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010
+#define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020
/* Interrupt shadow states */
#define KVM_X86_SHADOW_INT_MOV_SS 0x01
@@ -323,7 +361,10 @@ struct kvm_vcpu_events {
__u8 smm_inside_nmi;
__u8 latched_init;
} smi;
- __u8 reserved[27];
+ struct {
+ __u8 pending;
+ } triple_fault;
+ __u8 reserved[26];
__u8 exception_has_payload;
__u64 exception_payload;
};
@@ -337,9 +378,23 @@ struct kvm_debugregs {
__u64 reserved[9];
};
-/* for KVM_CAP_XSAVE */
+/* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */
struct kvm_xsave {
+ /*
+ * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes
+ * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
+ * respectively, when invoked on the vm file descriptor.
+ *
+ * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
+ * will always be at least 4096. Currently, it is only greater
+ * than 4096 if a dynamic feature has been enabled with
+ * ``arch_prctl()``, but this may change in the future.
+ *
+ * The offsets of the state save areas in struct kvm_xsave follow
+ * the contents of CPUID leaf 0xD on the host.
+ */
__u32 region[1024];
+ __u32 extra[];
};
#define KVM_MAX_XCRS 16
@@ -378,25 +433,35 @@ struct kvm_sync_regs {
struct kvm_vcpu_events events;
};
-#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
-#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
-#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
-#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
-#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
+#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
+#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
+#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
+#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
+#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
+#define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5)
+#define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6)
#define KVM_STATE_NESTED_FORMAT_VMX 0
-#define KVM_STATE_NESTED_FORMAT_SVM 1 /* unused */
+#define KVM_STATE_NESTED_FORMAT_SVM 1
#define KVM_STATE_NESTED_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_RUN_PENDING 0x00000002
#define KVM_STATE_NESTED_EVMCS 0x00000004
#define KVM_STATE_NESTED_MTF_PENDING 0x00000008
+#define KVM_STATE_NESTED_GIF_SET 0x00000100
#define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_SMM_VMXON 0x00000002
#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000
+#define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000
+
+#define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
+
+/* attributes for system fd (group 0) */
+#define KVM_X86_XCOMP_GUEST_SUPP 0
+
struct kvm_vmx_nested_state_data {
__u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
__u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
@@ -409,6 +474,20 @@ struct kvm_vmx_nested_state_hdr {
struct {
__u16 flags;
} smm;
+
+ __u16 pad;
+
+ __u32 flags;
+ __u64 preemption_timer_deadline;
+};
+
+struct kvm_svm_nested_state_data {
+ /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */
+ __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE];
+};
+
+struct kvm_svm_nested_state_hdr {
+ __u64 vmcb_pa;
};
/* for KVM_CAP_NESTED_STATE */
@@ -419,6 +498,7 @@ struct kvm_nested_state {
union {
struct kvm_vmx_nested_state_hdr vmx;
+ struct kvm_svm_nested_state_hdr svm;
/* Pad the header to 128 bytes. */
__u8 pad[120];
@@ -431,6 +511,7 @@ struct kvm_nested_state {
*/
union {
struct kvm_vmx_nested_state_data vmx[0];
+ struct kvm_svm_nested_state_data svm[0];
} data;
};
@@ -441,10 +522,14 @@ struct kvm_pmu_event_filter {
__u32 fixed_counter_bitmap;
__u32 flags;
__u32 pad[4];
- __u64 events[0];
+ __u64 events[];
};
#define KVM_PMU_EVENT_ALLOW 0
#define KVM_PMU_EVENT_DENY 1
+/* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
+#define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */
+#define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
+
#endif /* _ASM_X86_KVM_H */
diff --git a/arch/x86/include/uapi/asm/kvm_para.h b/arch/x86/include/uapi/asm/kvm_para.h
index 2a8e0b6b9805..6e64b27b2c1e 100644
--- a/arch/x86/include/uapi/asm/kvm_para.h
+++ b/arch/x86/include/uapi/asm/kvm_para.h
@@ -8,6 +8,7 @@
* should be used to determine that a VM is running under KVM.
*/
#define KVM_CPUID_SIGNATURE 0x40000000
+#define KVM_SIGNATURE "KVMKVMKVM\0\0\0"
/* This CPUID returns two feature bitmaps in eax, edx. Before enabling
* a particular paravirtualization, the appropriate feature bit should
@@ -31,6 +32,10 @@
#define KVM_FEATURE_PV_SEND_IPI 11
#define KVM_FEATURE_POLL_CONTROL 12
#define KVM_FEATURE_PV_SCHED_YIELD 13
+#define KVM_FEATURE_ASYNC_PF_INT 14
+#define KVM_FEATURE_MSI_EXT_DEST_ID 15
+#define KVM_FEATURE_HC_MAP_GPA_RANGE 16
+#define KVM_FEATURE_MIGRATION_CONTROL 17
#define KVM_HINTS_REALTIME 0
@@ -50,6 +55,9 @@
#define MSR_KVM_STEAL_TIME 0x4b564d03
#define MSR_KVM_PV_EOI_EN 0x4b564d04
#define MSR_KVM_POLL_CONTROL 0x4b564d05
+#define MSR_KVM_ASYNC_PF_INT 0x4b564d06
+#define MSR_KVM_ASYNC_PF_ACK 0x4b564d07
+#define MSR_KVM_MIGRATION_CONTROL 0x4b564d08
struct kvm_steal_time {
__u64 steal;
@@ -81,6 +89,21 @@ struct kvm_clock_pairing {
#define KVM_ASYNC_PF_ENABLED (1 << 0)
#define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1)
#define KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT (1 << 2)
+#define KVM_ASYNC_PF_DELIVERY_AS_INT (1 << 3)
+
+/* MSR_KVM_ASYNC_PF_INT */
+#define KVM_ASYNC_PF_VEC_MASK GENMASK(7, 0)
+
+/* MSR_KVM_MIGRATION_CONTROL */
+#define KVM_MIGRATION_READY (1 << 0)
+
+/* KVM_HC_MAP_GPA_RANGE */
+#define KVM_MAP_GPA_RANGE_PAGE_SZ_4K 0
+#define KVM_MAP_GPA_RANGE_PAGE_SZ_2M (1 << 0)
+#define KVM_MAP_GPA_RANGE_PAGE_SZ_1G (1 << 1)
+#define KVM_MAP_GPA_RANGE_ENC_STAT(n) (n << 4)
+#define KVM_MAP_GPA_RANGE_ENCRYPTED KVM_MAP_GPA_RANGE_ENC_STAT(1)
+#define KVM_MAP_GPA_RANGE_DECRYPTED KVM_MAP_GPA_RANGE_ENC_STAT(0)
/* Operations for KVM_HC_MMU_OP */
#define KVM_MMU_OP_WRITE_PTE 1
@@ -112,8 +135,13 @@ struct kvm_mmu_op_release_pt {
#define KVM_PV_REASON_PAGE_READY 2
struct kvm_vcpu_pv_apf_data {
- __u32 reason;
- __u8 pad[60];
+ /* Used for 'page not present' events delivered via #PF */
+ __u32 flags;
+
+ /* Used for 'page ready' events delivered via interrupt notification */
+ __u32 token;
+
+ __u8 pad[56];
__u32 enabled;
};
diff --git a/arch/x86/include/uapi/asm/mce.h b/arch/x86/include/uapi/asm/mce.h
index 955c2a2e1cf9..db9adc081c5a 100644
--- a/arch/x86/include/uapi/asm/mce.h
+++ b/arch/x86/include/uapi/asm/mce.h
@@ -35,6 +35,7 @@ struct mce {
__u64 ipid; /* MCA_IPID MSR: only valid on SMCA systems */
__u64 ppin; /* Protected Processor Inventory Number */
__u32 microcode; /* Microcode revision */
+ __u64 kflags; /* Internal kernel use */
};
#define MCE_GET_RECORD_LEN _IOR('M', 1, int)
diff --git a/arch/x86/include/uapi/asm/mman.h b/arch/x86/include/uapi/asm/mman.h
index d4a8d0424bfb..775dbd3aff73 100644
--- a/arch/x86/include/uapi/asm/mman.h
+++ b/arch/x86/include/uapi/asm/mman.h
@@ -5,20 +5,6 @@
#define MAP_32BIT 0x40 /* only give out 32bit addresses */
#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
-/*
- * Take the 4 protection key bits out of the vma->vm_flags
- * value and turn them in to the bits that we can put in
- * to a pte.
- *
- * Only override these if Protection Keys are available
- * (which is only on 64-bit).
- */
-#define arch_vm_get_page_prot(vm_flags) __pgprot( \
- ((vm_flags) & VM_PKEY_BIT0 ? _PAGE_PKEY_BIT0 : 0) | \
- ((vm_flags) & VM_PKEY_BIT1 ? _PAGE_PKEY_BIT1 : 0) | \
- ((vm_flags) & VM_PKEY_BIT2 ? _PAGE_PKEY_BIT2 : 0) | \
- ((vm_flags) & VM_PKEY_BIT3 ? _PAGE_PKEY_BIT3 : 0))
-
#define arch_calc_vm_prot_bits(prot, key) ( \
((key) & 0x1 ? VM_PKEY_BIT0 : 0) | \
((key) & 0x2 ? VM_PKEY_BIT1 : 0) | \
diff --git a/arch/x86/include/uapi/asm/msgbuf.h b/arch/x86/include/uapi/asm/msgbuf.h
index b3d0664fadc9..ac83e25bbf37 100644
--- a/arch/x86/include/uapi/asm/msgbuf.h
+++ b/arch/x86/include/uapi/asm/msgbuf.h
@@ -12,7 +12,7 @@
* The msqid64_ds structure for x86 architecture with x32 ABI.
*
* On x86-32 and x86-64 we can just use the generic definition, but
- * x32 uses the same binary layout as x86_64, which is differnet
+ * x32 uses the same binary layout as x86_64, which is different
* from other 32-bit architectures.
*/
diff --git a/arch/x86/include/uapi/asm/prctl.h b/arch/x86/include/uapi/asm/prctl.h
index 5a6aac9fa41f..500b96e71f18 100644
--- a/arch/x86/include/uapi/asm/prctl.h
+++ b/arch/x86/include/uapi/asm/prctl.h
@@ -2,16 +2,22 @@
#ifndef _ASM_X86_PRCTL_H
#define _ASM_X86_PRCTL_H
-#define ARCH_SET_GS 0x1001
-#define ARCH_SET_FS 0x1002
-#define ARCH_GET_FS 0x1003
-#define ARCH_GET_GS 0x1004
+#define ARCH_SET_GS 0x1001
+#define ARCH_SET_FS 0x1002
+#define ARCH_GET_FS 0x1003
+#define ARCH_GET_GS 0x1004
-#define ARCH_GET_CPUID 0x1011
-#define ARCH_SET_CPUID 0x1012
+#define ARCH_GET_CPUID 0x1011
+#define ARCH_SET_CPUID 0x1012
-#define ARCH_MAP_VDSO_X32 0x2001
-#define ARCH_MAP_VDSO_32 0x2002
-#define ARCH_MAP_VDSO_64 0x2003
+#define ARCH_GET_XCOMP_SUPP 0x1021
+#define ARCH_GET_XCOMP_PERM 0x1022
+#define ARCH_REQ_XCOMP_PERM 0x1023
+#define ARCH_GET_XCOMP_GUEST_PERM 0x1024
+#define ARCH_REQ_XCOMP_GUEST_PERM 0x1025
+
+#define ARCH_MAP_VDSO_X32 0x2001
+#define ARCH_MAP_VDSO_32 0x2002
+#define ARCH_MAP_VDSO_64 0x2003
#endif /* _ASM_X86_PRCTL_H */
diff --git a/arch/x86/include/uapi/asm/processor-flags.h b/arch/x86/include/uapi/asm/processor-flags.h
index bcba3c643e63..c47cc7f2feeb 100644
--- a/arch/x86/include/uapi/asm/processor-flags.h
+++ b/arch/x86/include/uapi/asm/processor-flags.h
@@ -130,6 +130,8 @@
#define X86_CR4_SMAP _BITUL(X86_CR4_SMAP_BIT)
#define X86_CR4_PKE_BIT 22 /* enable Protection Keys support */
#define X86_CR4_PKE _BITUL(X86_CR4_PKE_BIT)
+#define X86_CR4_CET_BIT 23 /* enable Control-flow Enforcement Technology */
+#define X86_CR4_CET _BITUL(X86_CR4_CET_BIT)
/*
* x86-64 Task Priority Register, CR8
diff --git a/arch/x86/include/uapi/asm/sgx.h b/arch/x86/include/uapi/asm/sgx.h
new file mode 100644
index 000000000000..2dd35bbdc822
--- /dev/null
+++ b/arch/x86/include/uapi/asm/sgx.h
@@ -0,0 +1,232 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright(c) 2016-20 Intel Corporation.
+ */
+#ifndef _UAPI_ASM_X86_SGX_H
+#define _UAPI_ASM_X86_SGX_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/**
+ * enum sgx_page_flags - page control flags
+ * %SGX_PAGE_MEASURE: Measure the page contents with a sequence of
+ * ENCLS[EEXTEND] operations.
+ */
+enum sgx_page_flags {
+ SGX_PAGE_MEASURE = 0x01,
+};
+
+#define SGX_MAGIC 0xA4
+
+#define SGX_IOC_ENCLAVE_CREATE \
+ _IOW(SGX_MAGIC, 0x00, struct sgx_enclave_create)
+#define SGX_IOC_ENCLAVE_ADD_PAGES \
+ _IOWR(SGX_MAGIC, 0x01, struct sgx_enclave_add_pages)
+#define SGX_IOC_ENCLAVE_INIT \
+ _IOW(SGX_MAGIC, 0x02, struct sgx_enclave_init)
+#define SGX_IOC_ENCLAVE_PROVISION \
+ _IOW(SGX_MAGIC, 0x03, struct sgx_enclave_provision)
+#define SGX_IOC_VEPC_REMOVE_ALL \
+ _IO(SGX_MAGIC, 0x04)
+#define SGX_IOC_ENCLAVE_RESTRICT_PERMISSIONS \
+ _IOWR(SGX_MAGIC, 0x05, struct sgx_enclave_restrict_permissions)
+#define SGX_IOC_ENCLAVE_MODIFY_TYPES \
+ _IOWR(SGX_MAGIC, 0x06, struct sgx_enclave_modify_types)
+#define SGX_IOC_ENCLAVE_REMOVE_PAGES \
+ _IOWR(SGX_MAGIC, 0x07, struct sgx_enclave_remove_pages)
+
+/**
+ * struct sgx_enclave_create - parameter structure for the
+ * %SGX_IOC_ENCLAVE_CREATE ioctl
+ * @src: address for the SECS page data
+ */
+struct sgx_enclave_create {
+ __u64 src;
+};
+
+/**
+ * struct sgx_enclave_add_pages - parameter structure for the
+ * %SGX_IOC_ENCLAVE_ADD_PAGE ioctl
+ * @src: start address for the page data
+ * @offset: starting page offset
+ * @length: length of the data (multiple of the page size)
+ * @secinfo: address for the SECINFO data
+ * @flags: page control flags
+ * @count: number of bytes added (multiple of the page size)
+ */
+struct sgx_enclave_add_pages {
+ __u64 src;
+ __u64 offset;
+ __u64 length;
+ __u64 secinfo;
+ __u64 flags;
+ __u64 count;
+};
+
+/**
+ * struct sgx_enclave_init - parameter structure for the
+ * %SGX_IOC_ENCLAVE_INIT ioctl
+ * @sigstruct: address for the SIGSTRUCT data
+ */
+struct sgx_enclave_init {
+ __u64 sigstruct;
+};
+
+/**
+ * struct sgx_enclave_provision - parameter structure for the
+ * %SGX_IOC_ENCLAVE_PROVISION ioctl
+ * @fd: file handle of /dev/sgx_provision
+ */
+struct sgx_enclave_provision {
+ __u64 fd;
+};
+
+/**
+ * struct sgx_enclave_restrict_permissions - parameters for ioctl
+ * %SGX_IOC_ENCLAVE_RESTRICT_PERMISSIONS
+ * @offset: starting page offset (page aligned relative to enclave base
+ * address defined in SECS)
+ * @length: length of memory (multiple of the page size)
+ * @permissions:new permission bits for pages in range described by @offset
+ * and @length
+ * @result: (output) SGX result code of ENCLS[EMODPR] function
+ * @count: (output) bytes successfully changed (multiple of page size)
+ */
+struct sgx_enclave_restrict_permissions {
+ __u64 offset;
+ __u64 length;
+ __u64 permissions;
+ __u64 result;
+ __u64 count;
+};
+
+/**
+ * struct sgx_enclave_modify_types - parameters for ioctl
+ * %SGX_IOC_ENCLAVE_MODIFY_TYPES
+ * @offset: starting page offset (page aligned relative to enclave base
+ * address defined in SECS)
+ * @length: length of memory (multiple of the page size)
+ * @page_type: new type for pages in range described by @offset and @length
+ * @result: (output) SGX result code of ENCLS[EMODT] function
+ * @count: (output) bytes successfully changed (multiple of page size)
+ */
+struct sgx_enclave_modify_types {
+ __u64 offset;
+ __u64 length;
+ __u64 page_type;
+ __u64 result;
+ __u64 count;
+};
+
+/**
+ * struct sgx_enclave_remove_pages - %SGX_IOC_ENCLAVE_REMOVE_PAGES parameters
+ * @offset: starting page offset (page aligned relative to enclave base
+ * address defined in SECS)
+ * @length: length of memory (multiple of the page size)
+ * @count: (output) bytes successfully changed (multiple of page size)
+ *
+ * Regular (PT_REG) or TCS (PT_TCS) can be removed from an initialized
+ * enclave if the system supports SGX2. First, the %SGX_IOC_ENCLAVE_MODIFY_TYPES
+ * ioctl() should be used to change the page type to PT_TRIM. After that
+ * succeeds ENCLU[EACCEPT] should be run from within the enclave and then
+ * %SGX_IOC_ENCLAVE_REMOVE_PAGES can be used to complete the page removal.
+ */
+struct sgx_enclave_remove_pages {
+ __u64 offset;
+ __u64 length;
+ __u64 count;
+};
+
+struct sgx_enclave_run;
+
+/**
+ * typedef sgx_enclave_user_handler_t - Exit handler function accepted by
+ * __vdso_sgx_enter_enclave()
+ * @run: The run instance given by the caller
+ *
+ * The register parameters contain the snapshot of their values at enclave
+ * exit. An invalid ENCLU function number will cause -EINVAL to be returned
+ * to the caller.
+ *
+ * Return:
+ * - <= 0: The given value is returned back to the caller.
+ * - > 0: ENCLU function to invoke, either EENTER or ERESUME.
+ */
+typedef int (*sgx_enclave_user_handler_t)(long rdi, long rsi, long rdx,
+ long rsp, long r8, long r9,
+ struct sgx_enclave_run *run);
+
+/**
+ * struct sgx_enclave_run - the execution context of __vdso_sgx_enter_enclave()
+ * @tcs: TCS used to enter the enclave
+ * @function: The last seen ENCLU function (EENTER, ERESUME or EEXIT)
+ * @exception_vector: The interrupt vector of the exception
+ * @exception_error_code: The exception error code pulled out of the stack
+ * @exception_addr: The address that triggered the exception
+ * @user_handler: User provided callback run on exception
+ * @user_data: Data passed to the user handler
+ * @reserved Reserved for future extensions
+ *
+ * If @user_handler is provided, the handler will be invoked on all return paths
+ * of the normal flow. The user handler may transfer control, e.g. via a
+ * longjmp() call or a C++ exception, without returning to
+ * __vdso_sgx_enter_enclave().
+ */
+struct sgx_enclave_run {
+ __u64 tcs;
+ __u32 function;
+ __u16 exception_vector;
+ __u16 exception_error_code;
+ __u64 exception_addr;
+ __u64 user_handler;
+ __u64 user_data;
+ __u8 reserved[216];
+};
+
+/**
+ * typedef vdso_sgx_enter_enclave_t - Prototype for __vdso_sgx_enter_enclave(),
+ * a vDSO function to enter an SGX enclave.
+ * @rdi: Pass-through value for RDI
+ * @rsi: Pass-through value for RSI
+ * @rdx: Pass-through value for RDX
+ * @function: ENCLU function, must be EENTER or ERESUME
+ * @r8: Pass-through value for R8
+ * @r9: Pass-through value for R9
+ * @run: struct sgx_enclave_run, must be non-NULL
+ *
+ * NOTE: __vdso_sgx_enter_enclave() does not ensure full compliance with the
+ * x86-64 ABI, e.g. doesn't handle XSAVE state. Except for non-volatile
+ * general purpose registers, EFLAGS.DF, and RSP alignment, preserving/setting
+ * state in accordance with the x86-64 ABI is the responsibility of the enclave
+ * and its runtime, i.e. __vdso_sgx_enter_enclave() cannot be called from C
+ * code without careful consideration by both the enclave and its runtime.
+ *
+ * All general purpose registers except RAX, RBX and RCX are passed as-is to the
+ * enclave. RAX, RBX and RCX are consumed by EENTER and ERESUME and are loaded
+ * with @function, asynchronous exit pointer, and @run.tcs respectively.
+ *
+ * RBP and the stack are used to anchor __vdso_sgx_enter_enclave() to the
+ * pre-enclave state, e.g. to retrieve @run.exception and @run.user_handler
+ * after an enclave exit. All other registers are available for use by the
+ * enclave and its runtime, e.g. an enclave can push additional data onto the
+ * stack (and modify RSP) to pass information to the optional user handler (see
+ * below).
+ *
+ * Most exceptions reported on ENCLU, including those that occur within the
+ * enclave, are fixed up and reported synchronously instead of being delivered
+ * via a standard signal. Debug Exceptions (#DB) and Breakpoints (#BP) are
+ * never fixed up and are always delivered via standard signals. On synchronously
+ * reported exceptions, -EFAULT is returned and details about the exception are
+ * recorded in @run.exception, the optional sgx_enclave_exception struct.
+ *
+ * Return:
+ * - 0: ENCLU function was successfully executed.
+ * - -EINVAL: Invalid ENCL number (neither EENTER nor ERESUME).
+ */
+typedef int (*vdso_sgx_enter_enclave_t)(unsigned long rdi, unsigned long rsi,
+ unsigned long rdx, unsigned int function,
+ unsigned long r8, unsigned long r9,
+ struct sgx_enclave_run *run);
+
+#endif /* _UAPI_ASM_X86_SGX_H */
diff --git a/arch/x86/include/uapi/asm/shmbuf.h b/arch/x86/include/uapi/asm/shmbuf.h
index f0305dc660c9..13775bfdfee2 100644
--- a/arch/x86/include/uapi/asm/shmbuf.h
+++ b/arch/x86/include/uapi/asm/shmbuf.h
@@ -5,17 +5,21 @@
#if !defined(__x86_64__) || !defined(__ILP32__)
#include <asm-generic/shmbuf.h>
#else
+
+#include <asm/ipcbuf.h>
+#include <asm/posix_types.h>
+
/*
* The shmid64_ds structure for x86 architecture with x32 ABI.
*
* On x86-32 and x86-64 we can just use the generic definition, but
- * x32 uses the same binary layout as x86_64, which is differnet
+ * x32 uses the same binary layout as x86_64, which is different
* from other 32-bit architectures.
*/
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
- size_t shm_segsz; /* size of segment (bytes) */
+ __kernel_size_t shm_segsz; /* size of segment (bytes) */
__kernel_long_t shm_atime; /* last attach time */
__kernel_long_t shm_dtime; /* last detach time */
__kernel_long_t shm_ctime; /* last change time */
diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h
index 844d60eb1882..d0d9b331d3a1 100644
--- a/arch/x86/include/uapi/asm/sigcontext.h
+++ b/arch/x86/include/uapi/asm/sigcontext.h
@@ -139,7 +139,7 @@ struct _fpstate_32 {
* The 64-bit FPU frame. (FXSAVE format and later)
*
* Note1: If sw_reserved.magic1 == FP_XSTATE_MAGIC1 then the structure is
- * larger: 'struct _xstate'. Note that 'struct _xstate' embedds
+ * larger: 'struct _xstate'. Note that 'struct _xstate' embeds
* 'struct _fpstate' so that you can always assume the _fpstate portion
* exists so that you can check the magic value.
*
diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h
index e5745d593dc7..777c3a0f4e23 100644
--- a/arch/x86/include/uapi/asm/signal.h
+++ b/arch/x86/include/uapi/asm/signal.h
@@ -62,30 +62,6 @@ typedef unsigned long sigset_t;
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001u
-#define SA_NOCLDWAIT 0x00000002u
-#define SA_SIGINFO 0x00000004u
-#define SA_ONSTACK 0x08000000u
-#define SA_RESTART 0x10000000u
-#define SA_NODEFER 0x40000000u
-#define SA_RESETHAND 0x80000000u
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define SA_RESTORER 0x04000000
#define MINSIGSTKSZ 2048
@@ -128,7 +104,7 @@ struct sigaction {
typedef struct sigaltstack {
void __user *ss_sp;
int ss_flags;
- size_t ss_size;
+ __kernel_size_t ss_size;
} stack_t;
#endif /* __ASSEMBLY__ */
diff --git a/arch/x86/include/uapi/asm/svm.h b/arch/x86/include/uapi/asm/svm.h
index 2e8a30f06c74..f69c168391aa 100644
--- a/arch/x86/include/uapi/asm/svm.h
+++ b/arch/x86/include/uapi/asm/svm.h
@@ -29,6 +29,7 @@
#define SVM_EXIT_WRITE_DR6 0x036
#define SVM_EXIT_WRITE_DR7 0x037
#define SVM_EXIT_EXCP_BASE 0x040
+#define SVM_EXIT_LAST_EXCP 0x05f
#define SVM_EXIT_INTR 0x060
#define SVM_EXIT_NMI 0x061
#define SVM_EXIT_SMI 0x062
@@ -76,9 +77,49 @@
#define SVM_EXIT_MWAIT_COND 0x08c
#define SVM_EXIT_XSETBV 0x08d
#define SVM_EXIT_RDPRU 0x08e
+#define SVM_EXIT_EFER_WRITE_TRAP 0x08f
+#define SVM_EXIT_CR0_WRITE_TRAP 0x090
+#define SVM_EXIT_CR1_WRITE_TRAP 0x091
+#define SVM_EXIT_CR2_WRITE_TRAP 0x092
+#define SVM_EXIT_CR3_WRITE_TRAP 0x093
+#define SVM_EXIT_CR4_WRITE_TRAP 0x094
+#define SVM_EXIT_CR5_WRITE_TRAP 0x095
+#define SVM_EXIT_CR6_WRITE_TRAP 0x096
+#define SVM_EXIT_CR7_WRITE_TRAP 0x097
+#define SVM_EXIT_CR8_WRITE_TRAP 0x098
+#define SVM_EXIT_CR9_WRITE_TRAP 0x099
+#define SVM_EXIT_CR10_WRITE_TRAP 0x09a
+#define SVM_EXIT_CR11_WRITE_TRAP 0x09b
+#define SVM_EXIT_CR12_WRITE_TRAP 0x09c
+#define SVM_EXIT_CR13_WRITE_TRAP 0x09d
+#define SVM_EXIT_CR14_WRITE_TRAP 0x09e
+#define SVM_EXIT_CR15_WRITE_TRAP 0x09f
+#define SVM_EXIT_INVPCID 0x0a2
#define SVM_EXIT_NPF 0x400
#define SVM_EXIT_AVIC_INCOMPLETE_IPI 0x401
#define SVM_EXIT_AVIC_UNACCELERATED_ACCESS 0x402
+#define SVM_EXIT_VMGEXIT 0x403
+
+/* SEV-ES software-defined VMGEXIT events */
+#define SVM_VMGEXIT_MMIO_READ 0x80000001
+#define SVM_VMGEXIT_MMIO_WRITE 0x80000002
+#define SVM_VMGEXIT_NMI_COMPLETE 0x80000003
+#define SVM_VMGEXIT_AP_HLT_LOOP 0x80000004
+#define SVM_VMGEXIT_AP_JUMP_TABLE 0x80000005
+#define SVM_VMGEXIT_SET_AP_JUMP_TABLE 0
+#define SVM_VMGEXIT_GET_AP_JUMP_TABLE 1
+#define SVM_VMGEXIT_PSC 0x80000010
+#define SVM_VMGEXIT_GUEST_REQUEST 0x80000011
+#define SVM_VMGEXIT_EXT_GUEST_REQUEST 0x80000012
+#define SVM_VMGEXIT_AP_CREATION 0x80000013
+#define SVM_VMGEXIT_AP_CREATE_ON_INIT 0
+#define SVM_VMGEXIT_AP_CREATE 1
+#define SVM_VMGEXIT_AP_DESTROY 2
+#define SVM_VMGEXIT_HV_FEATURES 0x8000fffd
+#define SVM_VMGEXIT_UNSUPPORTED_EVENT 0x8000ffff
+
+/* Exit code reserved for hypervisor/software use */
+#define SVM_EXIT_SW 0xf0000000
#define SVM_EXIT_ERR -1
@@ -171,9 +212,25 @@
{ SVM_EXIT_MONITOR, "monitor" }, \
{ SVM_EXIT_MWAIT, "mwait" }, \
{ SVM_EXIT_XSETBV, "xsetbv" }, \
+ { SVM_EXIT_EFER_WRITE_TRAP, "write_efer_trap" }, \
+ { SVM_EXIT_CR0_WRITE_TRAP, "write_cr0_trap" }, \
+ { SVM_EXIT_CR4_WRITE_TRAP, "write_cr4_trap" }, \
+ { SVM_EXIT_CR8_WRITE_TRAP, "write_cr8_trap" }, \
+ { SVM_EXIT_INVPCID, "invpcid" }, \
{ SVM_EXIT_NPF, "npf" }, \
{ SVM_EXIT_AVIC_INCOMPLETE_IPI, "avic_incomplete_ipi" }, \
{ SVM_EXIT_AVIC_UNACCELERATED_ACCESS, "avic_unaccelerated_access" }, \
+ { SVM_EXIT_VMGEXIT, "vmgexit" }, \
+ { SVM_VMGEXIT_MMIO_READ, "vmgexit_mmio_read" }, \
+ { SVM_VMGEXIT_MMIO_WRITE, "vmgexit_mmio_write" }, \
+ { SVM_VMGEXIT_NMI_COMPLETE, "vmgexit_nmi_complete" }, \
+ { SVM_VMGEXIT_AP_HLT_LOOP, "vmgexit_ap_hlt_loop" }, \
+ { SVM_VMGEXIT_AP_JUMP_TABLE, "vmgexit_ap_jump_table" }, \
+ { SVM_VMGEXIT_PSC, "vmgexit_page_state_change" }, \
+ { SVM_VMGEXIT_GUEST_REQUEST, "vmgexit_guest_request" }, \
+ { SVM_VMGEXIT_EXT_GUEST_REQUEST, "vmgexit_ext_guest_request" }, \
+ { SVM_VMGEXIT_AP_CREATION, "vmgexit_ap_creation" }, \
+ { SVM_VMGEXIT_HV_FEATURES, "vmgexit_hypervisor_feature" }, \
{ SVM_EXIT_ERR, "invalid_guest_state" }
diff --git a/arch/x86/include/uapi/asm/unistd.h b/arch/x86/include/uapi/asm/unistd.h
index 196fdd02b8b1..be5e2e747f50 100644
--- a/arch/x86/include/uapi/asm/unistd.h
+++ b/arch/x86/include/uapi/asm/unistd.h
@@ -2,8 +2,15 @@
#ifndef _UAPI_ASM_X86_UNISTD_H
#define _UAPI_ASM_X86_UNISTD_H
-/* x32 syscall flag bit */
-#define __X32_SYSCALL_BIT 0x40000000UL
+/*
+ * x32 syscall flag bit. Some user programs expect syscall NR macros
+ * and __X32_SYSCALL_BIT to have type int, even though syscall numbers
+ * are, for practical purposes, unsigned long.
+ *
+ * Fortunately, expressions like (nr & ~__X32_SYSCALL_BIT) do the right
+ * thing regardless.
+ */
+#define __X32_SYSCALL_BIT 0x40000000
#ifndef __KERNEL__
# ifdef __i386__
diff --git a/arch/x86/include/uapi/asm/vm86.h b/arch/x86/include/uapi/asm/vm86.h
index d2ee4e307ef8..18909b8050bc 100644
--- a/arch/x86/include/uapi/asm/vm86.h
+++ b/arch/x86/include/uapi/asm/vm86.h
@@ -97,7 +97,7 @@ struct revectored_struct {
struct vm86_struct {
struct vm86_regs regs;
unsigned long flags;
- unsigned long screen_bitmap;
+ unsigned long screen_bitmap; /* unused, preserved by vm86() */
unsigned long cpu_type;
struct revectored_struct int_revectored;
struct revectored_struct int21_revectored;
@@ -106,7 +106,7 @@ struct vm86_struct {
/*
* flags masks
*/
-#define VM86_SCREEN_BITMAP 0x0001
+#define VM86_SCREEN_BITMAP 0x0001 /* no longer supported */
struct vm86plus_info_struct {
unsigned long force_return_for_pic:1;
diff --git a/arch/x86/include/uapi/asm/vmx.h b/arch/x86/include/uapi/asm/vmx.h
index e95b72ec19bc..a5faf6d88f1b 100644
--- a/arch/x86/include/uapi/asm/vmx.h
+++ b/arch/x86/include/uapi/asm/vmx.h
@@ -27,11 +27,13 @@
#define VMX_EXIT_REASONS_FAILED_VMENTRY 0x80000000
+#define VMX_EXIT_REASONS_SGX_ENCLAVE_MODE 0x08000000
#define EXIT_REASON_EXCEPTION_NMI 0
#define EXIT_REASON_EXTERNAL_INTERRUPT 1
#define EXIT_REASON_TRIPLE_FAULT 2
#define EXIT_REASON_INIT_SIGNAL 3
+#define EXIT_REASON_SIPI_SIGNAL 4
#define EXIT_REASON_INTERRUPT_WINDOW 7
#define EXIT_REASON_NMI_WINDOW 8
@@ -88,12 +90,15 @@
#define EXIT_REASON_XRSTORS 64
#define EXIT_REASON_UMWAIT 67
#define EXIT_REASON_TPAUSE 68
+#define EXIT_REASON_BUS_LOCK 74
+#define EXIT_REASON_NOTIFY 75
#define VMX_EXIT_REASONS \
{ EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, \
{ EXIT_REASON_EXTERNAL_INTERRUPT, "EXTERNAL_INTERRUPT" }, \
{ EXIT_REASON_TRIPLE_FAULT, "TRIPLE_FAULT" }, \
{ EXIT_REASON_INIT_SIGNAL, "INIT_SIGNAL" }, \
+ { EXIT_REASON_SIPI_SIGNAL, "SIPI_SIGNAL" }, \
{ EXIT_REASON_INTERRUPT_WINDOW, "INTERRUPT_WINDOW" }, \
{ EXIT_REASON_NMI_WINDOW, "NMI_WINDOW" }, \
{ EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, \
@@ -148,7 +153,12 @@
{ EXIT_REASON_XSAVES, "XSAVES" }, \
{ EXIT_REASON_XRSTORS, "XRSTORS" }, \
{ EXIT_REASON_UMWAIT, "UMWAIT" }, \
- { EXIT_REASON_TPAUSE, "TPAUSE" }
+ { EXIT_REASON_TPAUSE, "TPAUSE" }, \
+ { EXIT_REASON_BUS_LOCK, "BUS_LOCK" }, \
+ { EXIT_REASON_NOTIFY, "NOTIFY" }
+
+#define VMX_EXIT_REASON_FLAGS \
+ { VMX_EXIT_REASONS_FAILED_VMENTRY, "FAILED_VMENTRY" }
#define VMX_ABORT_SAVE_GUEST_MSR_FAIL 1
#define VMX_ABORT_LOAD_HOST_PDPTE_FAIL 2