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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/include/asm/hvcall.h
..
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@@ -237,7 +237,7 @@
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 #define H_CREATE_RPT            0x1A4
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 #define H_REMOVE_RPT            0x1A8
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 #define H_REGISTER_RPAGES       0x1AC
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-#define H_DISABLE_AND_GETC      0x1B0
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+#define H_DISABLE_AND_GET       0x1B0
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 #define H_ERROR_DATA            0x1B4
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 #define H_GET_HCA_INFO          0x1B8
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 #define H_GET_PERF_COUNT        0x1BC
..
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@@ -278,6 +278,7 @@
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 #define H_COP			0x304
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 #define H_GET_MPP_X		0x314
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 #define H_SET_MODE		0x31C
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+#define H_BLOCK_REMOVE		0x328
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 #define H_CLEAR_HPT		0x358
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 #define H_REQUEST_VMC		0x360
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 #define H_RESIZE_HPT_PREPARE	0x36C
..
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@@ -295,7 +296,21 @@
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 #define H_INT_ESB               0x3C8
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 #define H_INT_SYNC              0x3CC
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 #define H_INT_RESET             0x3D0
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-#define MAX_HCALL_OPCODE	H_INT_RESET
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+#define H_SCM_READ_METADATA     0x3E4
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+#define H_SCM_WRITE_METADATA    0x3E8
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+#define H_SCM_BIND_MEM          0x3EC
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+#define H_SCM_UNBIND_MEM        0x3F0
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+#define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
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+#define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
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+#define H_SCM_UNBIND_ALL        0x3FC
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+#define H_SCM_HEALTH            0x400
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+#define H_SCM_PERFORMANCE_STATS 0x418
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+#define H_RPT_INVALIDATE	0x448
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+#define MAX_HCALL_OPCODE	H_RPT_INVALIDATE
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+
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+/* Scope args for H_SCM_UNBIND_ALL */
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+#define H_UNBIND_SCOPE_ALL (0x1)
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+#define H_UNBIND_SCOPE_DRC (0x2)
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 /* H_VIOCTL functions */
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 #define H_GET_VIOA_DUMP_SIZE	0x01
..
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@@ -322,11 +337,28 @@
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 #define H_GET_24X7_DATA		0xF07C
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 #define H_GET_PERF_COUNTER_INFO	0xF080
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+/* Platform-specific hcalls used for nested HV KVM */
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+#define H_SET_PARTITION_TABLE	0xF800
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+#define H_ENTER_NESTED		0xF804
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+#define H_TLB_INVALIDATE	0xF808
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+#define H_COPY_TOFROM_GUEST	0xF80C
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+
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+/* Flags for H_SVM_PAGE_IN */
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+#define H_PAGE_IN_SHARED        0x1
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+
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+/* Platform-specific hcalls used by the Ultravisor */
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+#define H_SVM_PAGE_IN		0xEF00
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+#define H_SVM_PAGE_OUT		0xEF04
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+#define H_SVM_INIT_START	0xEF08
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+#define H_SVM_INIT_DONE		0xEF0C
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+#define H_SVM_INIT_ABORT	0xEF14
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+
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 /* Values for 2nd argument to H_SET_MODE */
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 #define H_SET_MODE_RESOURCE_SET_CIABR		1
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-#define H_SET_MODE_RESOURCE_SET_DAWR		2
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+#define H_SET_MODE_RESOURCE_SET_DAWR0		2
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 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE	3
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 #define H_SET_MODE_RESOURCE_LE			4
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+#define H_SET_MODE_RESOURCE_SET_DAWR1		5
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 /* Values for argument to H_SIGNAL_SYS_RESET */
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 #define H_SIGNAL_SYS_RESET_ALL			-1
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@@ -343,11 +375,15 @@
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 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL	(1ull << 57) // IBM bit 6
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 #define H_CPU_CHAR_COUNT_CACHE_DISABLED	(1ull << 56) // IBM bit 7
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 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST	(1ull << 54) // IBM bit 9
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+#define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
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 #define H_CPU_BEHAV_FAVOUR_SECURITY	(1ull << 63) // IBM bit 0
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 #define H_CPU_BEHAV_L1D_FLUSH_PR	(1ull << 62) // IBM bit 1
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 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR	(1ull << 61) // IBM bit 2
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 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE	(1ull << 58) // IBM bit 5
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+#define H_CPU_BEHAV_FLUSH_LINK_STACK	(1ull << 57) // IBM bit 6
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+#define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY	(1ull << 56) // IBM bit 7
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+#define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
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 /* Flag values used in H_REGISTER_PROC_TBL hcall */
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 #define PROC_TABLE_OP_MASK	0x18
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@@ -358,6 +394,37 @@
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 #define PROC_TABLE_HPT_PT	0x02
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 #define PROC_TABLE_RADIX	0x04
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 #define PROC_TABLE_GTSE		0x01
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+
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+/*
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+ * Defines for
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+ * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
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+ */
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+
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+/* Type of translation to invalidate (type) */
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+#define H_RPTI_TYPE_NESTED	0x0001	/* Invalidate nested guest partition-scope */
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+#define H_RPTI_TYPE_TLB		0x0002	/* Invalidate TLB */
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+#define H_RPTI_TYPE_PWC		0x0004	/* Invalidate Page Walk Cache */
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+/* Invalidate Process Table Entries if H_RPTI_TYPE_NESTED is clear */
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+#define H_RPTI_TYPE_PRT		0x0008
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+/* Invalidate Partition Table Entries if H_RPTI_TYPE_NESTED is set */
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+#define H_RPTI_TYPE_PAT		0x0008
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+#define H_RPTI_TYPE_ALL		(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
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+				 H_RPTI_TYPE_PRT)
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+#define H_RPTI_TYPE_NESTED_ALL	(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
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+				 H_RPTI_TYPE_PAT)
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+
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+/* Invalidation targets (target) */
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+#define H_RPTI_TARGET_CMMU		0x01 /* All virtual processors in the partition */
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+#define H_RPTI_TARGET_CMMU_LOCAL	0x02 /* Current virtual processor */
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+/* All nest/accelerator agents in use by the partition */
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+#define H_RPTI_TARGET_NMMU		0x04
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+
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+/* Page size mask (page sizes) */
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+#define H_RPTI_PAGE_4K	0x01
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+#define H_RPTI_PAGE_64K	0x02
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+#define H_RPTI_PAGE_2M	0x04
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+#define H_RPTI_PAGE_1G	0x08
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+#define H_RPTI_PAGE_ALL (-1UL)
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 #ifndef __ASSEMBLY__
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 #include <linux/types.h>
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@@ -371,6 +438,9 @@
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  * the other plpar_hcalls.
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  */
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 long plpar_hcall_norets(unsigned long opcode, ...);
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+
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+/* Variant which does not do hcall tracing */
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+long plpar_hcall_norets_notrace(unsigned long opcode, ...);
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 /**
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  * plpar_hcall: - Make a pseries hypervisor call
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@@ -461,6 +531,78 @@
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 	u64 behaviour;
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 };
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+/* Register state for entering a nested guest with H_ENTER_NESTED */
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+struct hv_guest_state {
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+	u64 version;		/* version of this structure layout */
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+	u32 lpid;
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+	u32 vcpu_token;
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+	/* These registers are hypervisor privileged (at least for writing) */
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+	u64 lpcr;
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+	u64 pcr;
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+	u64 amor;
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+	u64 dpdes;
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+	u64 hfscr;
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+	s64 tb_offset;
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+	u64 dawr0;
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+	u64 dawrx0;
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+	u64 ciabr;
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+	u64 hdec_expiry;
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+	u64 purr;
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+	u64 spurr;
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+	u64 ic;
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+	u64 vtb;
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+	u64 hdar;
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+	u64 hdsisr;
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+	u64 heir;
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+	u64 asdr;
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+	/* These are OS privileged but need to be set late in guest entry */
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+	u64 srr0;
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+	u64 srr1;
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+	u64 sprg[4];
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+	u64 pidr;
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+	u64 cfar;
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+	u64 ppr;
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+};
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+
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+/* Latest version of hv_guest_state structure */
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+#define HV_GUEST_STATE_VERSION	1
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+
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+/*
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+ * From the document "H_GetPerformanceCounterInfo Interface" v1.07
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+ *
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+ * H_GET_PERF_COUNTER_INFO argument
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+ */
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+struct hv_get_perf_counter_info_params {
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+	__be32 counter_request; /* I */
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+	__be32 starting_index;  /* IO */
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+	__be16 secondary_index; /* IO */
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+	__be16 returned_values; /* O */
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+	__be32 detail_rc; /* O, only needed when called via *_norets() */
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+
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+	/*
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+	 * O, size each of counter_value element in bytes, only set for version
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+	 * >= 0x3
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+	 */
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+	__be16 cv_element_size;
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+
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+	/* I, 0 (zero) for versions < 0x3 */
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+	__u8 counter_info_version_in;
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+
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+	/* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
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+	__u8 counter_info_version_out;
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+	__u8 reserved[0xC];
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+	__u8 counter_value[];
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+} __packed;
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+
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+#define HGPCI_REQ_BUFFER_SIZE	4096
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+#define HGPCI_MAX_DATA_BYTES \
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+	(HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
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+
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+struct hv_gpci_request_buffer {
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+	struct hv_get_perf_counter_info_params params;
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+	uint8_t bytes[HGPCI_MAX_DATA_BYTES];
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+} __packed;
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+
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 #endif /* __ASSEMBLY__ */
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 #endif /* __KERNEL__ */
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 #endif /* _ASM_POWERPC_HVCALL_H */