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-rw-r--r--arch/powerpc/include/asm/hvcall.h672
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diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
new file mode 100644
index 000000000..95fd7f948
--- /dev/null
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -0,0 +1,672 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_HVCALL_H
+#define _ASM_POWERPC_HVCALL_H
+#ifdef __KERNEL__
+
+#define HVSC .long 0x44000022
+
+#define H_SUCCESS 0
+#define H_BUSY 1 /* Hardware busy -- retry later */
+#define H_CLOSED 2 /* Resource closed */
+#define H_NOT_AVAILABLE 3
+#define H_CONSTRAINED 4 /* Resource request constrained to max allowed */
+#define H_PARTIAL 5
+#define H_IN_PROGRESS 14 /* Kind of like busy */
+#define H_PAGE_REGISTERED 15
+#define H_PARTIAL_STORE 16
+#define H_PENDING 17 /* returned from H_POLL_PENDING */
+#define H_CONTINUE 18 /* Returned from H_Join on success */
+#define H_LONG_BUSY_START_RANGE 9900 /* Start of long busy range */
+#define H_LONG_BUSY_ORDER_1_MSEC 9900 /* Long busy, hint that 1msec \
+ is a good time to retry */
+#define H_LONG_BUSY_ORDER_10_MSEC 9901 /* Long busy, hint that 10msec \
+ is a good time to retry */
+#define H_LONG_BUSY_ORDER_100_MSEC 9902 /* Long busy, hint that 100msec \
+ is a good time to retry */
+#define H_LONG_BUSY_ORDER_1_SEC 9903 /* Long busy, hint that 1sec \
+ is a good time to retry */
+#define H_LONG_BUSY_ORDER_10_SEC 9904 /* Long busy, hint that 10sec \
+ is a good time to retry */
+#define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \
+ is a good time to retry */
+#define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */
+
+/* Internal value used in book3s_hv kvm support; not returned to guests */
+#define H_TOO_HARD 9999
+
+#define H_HARDWARE -1 /* Hardware error */
+#define H_FUNCTION -2 /* Function not supported */
+#define H_PRIVILEGE -3 /* Caller not privileged */
+#define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */
+#define H_BAD_MODE -5 /* Illegal msr value */
+#define H_PTEG_FULL -6 /* PTEG is full */
+#define H_NOT_FOUND -7 /* PTE was not found" */
+#define H_RESERVED_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */
+#define H_NO_MEM -9
+#define H_AUTHORITY -10
+#define H_PERMISSION -11
+#define H_DROPPED -12
+#define H_SOURCE_PARM -13
+#define H_DEST_PARM -14
+#define H_REMOTE_PARM -15
+#define H_RESOURCE -16
+#define H_ADAPTER_PARM -17
+#define H_RH_PARM -18
+#define H_RCQ_PARM -19
+#define H_SCQ_PARM -20
+#define H_EQ_PARM -21
+#define H_RT_PARM -22
+#define H_ST_PARM -23
+#define H_SIGT_PARM -24
+#define H_TOKEN_PARM -25
+#define H_MLENGTH_PARM -27
+#define H_MEM_PARM -28
+#define H_MEM_ACCESS_PARM -29
+#define H_ATTR_PARM -30
+#define H_PORT_PARM -31
+#define H_MCG_PARM -32
+#define H_VL_PARM -33
+#define H_TSIZE_PARM -34
+#define H_TRACE_PARM -35
+
+#define H_MASK_PARM -37
+#define H_MCG_FULL -38
+#define H_ALIAS_EXIST -39
+#define H_P_COUNTER -40
+#define H_TABLE_FULL -41
+#define H_ALT_TABLE -42
+#define H_MR_CONDITION -43
+#define H_NOT_ENOUGH_RESOURCES -44
+#define H_R_STATE -45
+#define H_RESCINDED -46
+#define H_ABORTED -54
+#define H_P2 -55
+#define H_P3 -56
+#define H_P4 -57
+#define H_P5 -58
+#define H_P6 -59
+#define H_P7 -60
+#define H_P8 -61
+#define H_P9 -62
+#define H_NOOP -63
+#define H_TOO_BIG -64
+#define H_UNSUPPORTED -67
+#define H_OVERLAP -68
+#define H_INTERRUPT -69
+#define H_BAD_DATA -70
+#define H_NOT_ACTIVE -71
+#define H_SG_LIST -72
+#define H_OP_MODE -73
+#define H_COP_HW -74
+#define H_STATE -75
+#define H_IN_USE -77
+#define H_UNSUPPORTED_FLAG_START -256
+#define H_UNSUPPORTED_FLAG_END -511
+#define H_MULTI_THREADS_ACTIVE -9005
+#define H_OUTSTANDING_COP_OPS -9006
+
+
+/* Long Busy is a condition that can be returned by the firmware
+ * when a call cannot be completed now, but the identical call
+ * should be retried later. This prevents calls blocking in the
+ * firmware for long periods of time. Annoyingly the firmware can return
+ * a range of return codes, hinting at how long we should wait before
+ * retrying. If you don't care for the hint, the macro below is a good
+ * way to check for the long_busy return codes
+ */
+#define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
+ && (x <= H_LONG_BUSY_END_RANGE))
+
+/* Flags */
+#define H_LARGE_PAGE (1UL<<(63-16))
+#define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
+#define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
+#define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
+#define H_PAGE_STATE_CHANGE (1UL<<(63-28))
+#define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30)))
+#define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
+#define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
+#define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
+#define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
+#define H_ANDCOND (1UL<<(63-33))
+#define H_LOCAL (1UL<<(63-35))
+#define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
+#define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
+#define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */
+#define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
+#define H_COPY_PAGE (1UL<<(63-49))
+#define H_N (1UL<<(63-61))
+#define H_PP1 (1UL<<(63-62))
+#define H_PP2 (1UL<<(63-63))
+
+/* Flags for H_REGISTER_VPA subfunction field */
+#define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */
+#define H_VPA_FUNC_MASK 7UL
+#define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */
+#define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */
+#define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */
+#define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */
+#define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */
+#define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */
+
+/* VASI States */
+#define H_VASI_INVALID 0
+#define H_VASI_ENABLED 1
+#define H_VASI_ABORTED 2
+#define H_VASI_SUSPENDING 3
+#define H_VASI_SUSPENDED 4
+#define H_VASI_RESUMED 5
+#define H_VASI_COMPLETED 6
+
+/* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
+#define H_VASI_SIGNAL_CANCEL 1
+#define H_VASI_SIGNAL_ABORT 2
+#define H_VASI_SIGNAL_SUSPEND 3
+#define H_VASI_SIGNAL_COMPLETE 4
+#define H_VASI_SIGNAL_ENABLE 5
+#define H_VASI_SIGNAL_FAILOVER 6
+
+/* Each control block has to be on a 4K boundary */
+#define H_CB_ALIGNMENT 4096
+
+/* pSeries hypervisor opcodes */
+#define H_REMOVE 0x04
+#define H_ENTER 0x08
+#define H_READ 0x0c
+#define H_CLEAR_MOD 0x10
+#define H_CLEAR_REF 0x14
+#define H_PROTECT 0x18
+#define H_GET_TCE 0x1c
+#define H_PUT_TCE 0x20
+#define H_SET_SPRG0 0x24
+#define H_SET_DABR 0x28
+#define H_PAGE_INIT 0x2c
+#define H_SET_ASR 0x30
+#define H_ASR_ON 0x34
+#define H_ASR_OFF 0x38
+#define H_LOGICAL_CI_LOAD 0x3c
+#define H_LOGICAL_CI_STORE 0x40
+#define H_LOGICAL_CACHE_LOAD 0x44
+#define H_LOGICAL_CACHE_STORE 0x48
+#define H_LOGICAL_ICBI 0x4c
+#define H_LOGICAL_DCBF 0x50
+#define H_GET_TERM_CHAR 0x54
+#define H_PUT_TERM_CHAR 0x58
+#define H_REAL_TO_LOGICAL 0x5c
+#define H_HYPERVISOR_DATA 0x60
+#define H_EOI 0x64
+#define H_CPPR 0x68
+#define H_IPI 0x6c
+#define H_IPOLL 0x70
+#define H_XIRR 0x74
+#define H_PERFMON 0x7c
+#define H_MIGRATE_DMA 0x78
+#define H_REGISTER_VPA 0xDC
+#define H_CEDE 0xE0
+#define H_CONFER 0xE4
+#define H_PROD 0xE8
+#define H_GET_PPP 0xEC
+#define H_SET_PPP 0xF0
+#define H_PURR 0xF4
+#define H_PIC 0xF8
+#define H_REG_CRQ 0xFC
+#define H_FREE_CRQ 0x100
+#define H_VIO_SIGNAL 0x104
+#define H_SEND_CRQ 0x108
+#define H_COPY_RDMA 0x110
+#define H_REGISTER_LOGICAL_LAN 0x114
+#define H_FREE_LOGICAL_LAN 0x118
+#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
+#define H_SEND_LOGICAL_LAN 0x120
+#define H_BULK_REMOVE 0x124
+#define H_MULTICAST_CTRL 0x130
+#define H_SET_XDABR 0x134
+#define H_STUFF_TCE 0x138
+#define H_PUT_TCE_INDIRECT 0x13C
+#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
+#define H_VTERM_PARTNER_INFO 0x150
+#define H_REGISTER_VTERM 0x154
+#define H_FREE_VTERM 0x158
+#define H_RESET_EVENTS 0x15C
+#define H_ALLOC_RESOURCE 0x160
+#define H_FREE_RESOURCE 0x164
+#define H_MODIFY_QP 0x168
+#define H_QUERY_QP 0x16C
+#define H_REREGISTER_PMR 0x170
+#define H_REGISTER_SMR 0x174
+#define H_QUERY_MR 0x178
+#define H_QUERY_MW 0x17C
+#define H_QUERY_HCA 0x180
+#define H_QUERY_PORT 0x184
+#define H_MODIFY_PORT 0x188
+#define H_DEFINE_AQP1 0x18C
+#define H_GET_TRACE_BUFFER 0x190
+#define H_DEFINE_AQP0 0x194
+#define H_RESIZE_MR 0x198
+#define H_ATTACH_MCQP 0x19C
+#define H_DETACH_MCQP 0x1A0
+#define H_CREATE_RPT 0x1A4
+#define H_REMOVE_RPT 0x1A8
+#define H_REGISTER_RPAGES 0x1AC
+#define H_DISABLE_AND_GET 0x1B0
+#define H_ERROR_DATA 0x1B4
+#define H_GET_HCA_INFO 0x1B8
+#define H_GET_PERF_COUNT 0x1BC
+#define H_MANAGE_TRACE 0x1C0
+#define H_GET_CPU_CHARACTERISTICS 0x1C8
+#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
+#define H_QUERY_INT_STATE 0x1E4
+#define H_POLL_PENDING 0x1D8
+#define H_ILLAN_ATTRIBUTES 0x244
+#define H_MODIFY_HEA_QP 0x250
+#define H_QUERY_HEA_QP 0x254
+#define H_QUERY_HEA 0x258
+#define H_QUERY_HEA_PORT 0x25C
+#define H_MODIFY_HEA_PORT 0x260
+#define H_REG_BCMC 0x264
+#define H_DEREG_BCMC 0x268
+#define H_REGISTER_HEA_RPAGES 0x26C
+#define H_DISABLE_AND_GET_HEA 0x270
+#define H_GET_HEA_INFO 0x274
+#define H_ALLOC_HEA_RESOURCE 0x278
+#define H_ADD_CONN 0x284
+#define H_DEL_CONN 0x288
+#define H_JOIN 0x298
+#define H_VASI_SIGNAL 0x2A0
+#define H_VASI_STATE 0x2A4
+#define H_VIOCTL 0x2A8
+#define H_ENABLE_CRQ 0x2B0
+#define H_GET_EM_PARMS 0x2B8
+#define H_SET_MPP 0x2D0
+#define H_GET_MPP 0x2D4
+#define H_REG_SUB_CRQ 0x2DC
+#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
+#define H_FREE_SUB_CRQ 0x2E0
+#define H_SEND_SUB_CRQ 0x2E4
+#define H_SEND_SUB_CRQ_INDIRECT 0x2E8
+#define H_BEST_ENERGY 0x2F4
+#define H_XIRR_X 0x2FC
+#define H_RANDOM 0x300
+#define H_COP 0x304
+#define H_GET_MPP_X 0x314
+#define H_SET_MODE 0x31C
+#define H_BLOCK_REMOVE 0x328
+#define H_CLEAR_HPT 0x358
+#define H_REQUEST_VMC 0x360
+#define H_RESIZE_HPT_PREPARE 0x36C
+#define H_RESIZE_HPT_COMMIT 0x370
+#define H_REGISTER_PROC_TBL 0x37C
+#define H_SIGNAL_SYS_RESET 0x380
+#define H_ALLOCATE_VAS_WINDOW 0x388
+#define H_MODIFY_VAS_WINDOW 0x38C
+#define H_DEALLOCATE_VAS_WINDOW 0x390
+#define H_QUERY_VAS_WINDOW 0x394
+#define H_QUERY_VAS_CAPABILITIES 0x398
+#define H_QUERY_NX_CAPABILITIES 0x39C
+#define H_GET_NX_FAULT 0x3A0
+#define H_INT_GET_SOURCE_INFO 0x3A8
+#define H_INT_SET_SOURCE_CONFIG 0x3AC
+#define H_INT_GET_SOURCE_CONFIG 0x3B0
+#define H_INT_GET_QUEUE_INFO 0x3B4
+#define H_INT_SET_QUEUE_CONFIG 0x3B8
+#define H_INT_GET_QUEUE_CONFIG 0x3BC
+#define H_INT_SET_OS_REPORTING_LINE 0x3C0
+#define H_INT_GET_OS_REPORTING_LINE 0x3C4
+#define H_INT_ESB 0x3C8
+#define H_INT_SYNC 0x3CC
+#define H_INT_RESET 0x3D0
+#define H_SCM_READ_METADATA 0x3E4
+#define H_SCM_WRITE_METADATA 0x3E8
+#define H_SCM_BIND_MEM 0x3EC
+#define H_SCM_UNBIND_MEM 0x3F0
+#define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
+#define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
+#define H_SCM_UNBIND_ALL 0x3FC
+#define H_SCM_HEALTH 0x400
+#define H_SCM_PERFORMANCE_STATS 0x418
+#define H_PKS_GET_CONFIG 0x41C
+#define H_PKS_SET_PASSWORD 0x420
+#define H_PKS_GEN_PASSWORD 0x424
+#define H_PKS_WRITE_OBJECT 0x42C
+#define H_PKS_GEN_KEY 0x430
+#define H_PKS_READ_OBJECT 0x434
+#define H_PKS_REMOVE_OBJECT 0x438
+#define H_PKS_CONFIRM_OBJECT_FLUSHED 0x43C
+#define H_RPT_INVALIDATE 0x448
+#define H_SCM_FLUSH 0x44C
+#define H_GET_ENERGY_SCALE_INFO 0x450
+#define H_WATCHDOG 0x45C
+#define MAX_HCALL_OPCODE H_WATCHDOG
+
+/* Scope args for H_SCM_UNBIND_ALL */
+#define H_UNBIND_SCOPE_ALL (0x1)
+#define H_UNBIND_SCOPE_DRC (0x2)
+
+/* H_VIOCTL functions */
+#define H_GET_VIOA_DUMP_SIZE 0x01
+#define H_GET_VIOA_DUMP 0x02
+#define H_GET_ILLAN_NUM_VLAN_IDS 0x03
+#define H_GET_ILLAN_VLAN_ID_LIST 0x04
+#define H_GET_ILLAN_SWITCH_ID 0x05
+#define H_DISABLE_MIGRATION 0x06
+#define H_ENABLE_MIGRATION 0x07
+#define H_GET_PARTNER_INFO 0x08
+#define H_GET_PARTNER_WWPN_LIST 0x09
+#define H_DISABLE_ALL_VIO_INTS 0x0A
+#define H_DISABLE_VIO_INTERRUPT 0x0B
+#define H_ENABLE_VIO_INTERRUPT 0x0C
+#define H_GET_SESSION_TOKEN 0x19
+#define H_SESSION_ERR_DETECTED 0x1A
+
+
+/* Platform specific hcalls, used by KVM */
+#define H_RTAS 0xf000
+
+/*
+ * Platform specific hcalls, used by QEMU/SLOF. These are ignored by
+ * KVM and only kept here so we can identify them during tracing.
+ */
+#define H_LOGICAL_MEMOP 0xF001
+#define H_CAS 0XF002
+#define H_UPDATE_DT 0XF003
+
+/* "Platform specific hcalls", provided by PHYP */
+#define H_GET_24X7_CATALOG_PAGE 0xF078
+#define H_GET_24X7_DATA 0xF07C
+#define H_GET_PERF_COUNTER_INFO 0xF080
+
+/* Platform-specific hcalls used for nested HV KVM */
+#define H_SET_PARTITION_TABLE 0xF800
+#define H_ENTER_NESTED 0xF804
+#define H_TLB_INVALIDATE 0xF808
+#define H_COPY_TOFROM_GUEST 0xF80C
+
+/* Flags for H_SVM_PAGE_IN */
+#define H_PAGE_IN_SHARED 0x1
+
+/* Platform-specific hcalls used by the Ultravisor */
+#define H_SVM_PAGE_IN 0xEF00
+#define H_SVM_PAGE_OUT 0xEF04
+#define H_SVM_INIT_START 0xEF08
+#define H_SVM_INIT_DONE 0xEF0C
+#define H_SVM_INIT_ABORT 0xEF14
+
+/* Values for 2nd argument to H_SET_MODE */
+#define H_SET_MODE_RESOURCE_SET_CIABR 1
+#define H_SET_MODE_RESOURCE_SET_DAWR0 2
+#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
+#define H_SET_MODE_RESOURCE_LE 4
+#define H_SET_MODE_RESOURCE_SET_DAWR1 5
+
+/* Values for argument to H_SIGNAL_SYS_RESET */
+#define H_SIGNAL_SYS_RESET_ALL -1
+#define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
+/* >= 0 values are CPU number */
+
+/* H_GET_CPU_CHARACTERISTICS return values */
+#define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
+#define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
+#define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
+#define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
+#define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
+#define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
+#define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
+#define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
+#define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
+#define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
+
+#define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
+#define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
+#define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
+#define H_CPU_BEHAV_FAVOUR_SECURITY_H (1ull << 60) // IBM bit 3
+#define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
+#define H_CPU_BEHAV_FLUSH_LINK_STACK (1ull << 57) // IBM bit 6
+#define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY (1ull << 56) // IBM bit 7
+#define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
+#define H_CPU_BEHAV_NO_STF_BARRIER (1ull << 54) // IBM bit 9
+
+/* Flag values used in H_REGISTER_PROC_TBL hcall */
+#define PROC_TABLE_OP_MASK 0x18
+#define PROC_TABLE_DEREG 0x10
+#define PROC_TABLE_NEW 0x18
+#define PROC_TABLE_TYPE_MASK 0x06
+#define PROC_TABLE_HPT_SLB 0x00
+#define PROC_TABLE_HPT_PT 0x02
+#define PROC_TABLE_RADIX 0x04
+#define PROC_TABLE_GTSE 0x01
+
+/*
+ * Defines for
+ * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
+ */
+
+/* Type of translation to invalidate (type) */
+#define H_RPTI_TYPE_NESTED 0x0001 /* Invalidate nested guest partition-scope */
+#define H_RPTI_TYPE_TLB 0x0002 /* Invalidate TLB */
+#define H_RPTI_TYPE_PWC 0x0004 /* Invalidate Page Walk Cache */
+/* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
+#define H_RPTI_TYPE_PRT 0x0008
+/* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
+#define H_RPTI_TYPE_PAT 0x0008
+#define H_RPTI_TYPE_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
+ H_RPTI_TYPE_PRT)
+#define H_RPTI_TYPE_NESTED_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
+ H_RPTI_TYPE_PAT)
+
+/* Invalidation targets (target) */
+#define H_RPTI_TARGET_CMMU 0x01 /* All virtual processors in the partition */
+#define H_RPTI_TARGET_CMMU_LOCAL 0x02 /* Current virtual processor */
+/* All nest/accelerator agents in use by the partition */
+#define H_RPTI_TARGET_NMMU 0x04
+
+/* Page size mask (page sizes) */
+#define H_RPTI_PAGE_4K 0x01
+#define H_RPTI_PAGE_64K 0x02
+#define H_RPTI_PAGE_2M 0x04
+#define H_RPTI_PAGE_1G 0x08
+#define H_RPTI_PAGE_ALL (-1UL)
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+/**
+ * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
+ * @opcode: The hypervisor call to make.
+ *
+ * This call supports up to 7 arguments and only returns the status of
+ * the hcall. Use this version where possible, its slightly faster than
+ * the other plpar_hcalls.
+ */
+long plpar_hcall_norets(unsigned long opcode, ...);
+
+/* Variant which does not do hcall tracing */
+long plpar_hcall_norets_notrace(unsigned long opcode, ...);
+
+/**
+ * plpar_hcall: - Make a pseries hypervisor call
+ * @opcode: The hypervisor call to make.
+ * @retbuf: Buffer to store up to 4 return arguments in.
+ *
+ * This call supports up to 6 arguments and 4 return arguments. Use
+ * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
+ *
+ * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
+ */
+#define PLPAR_HCALL_BUFSIZE 4
+long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
+
+/**
+ * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
+ * @opcode: The hypervisor call to make.
+ * @retbuf: Buffer to store up to 4 return arguments in.
+ *
+ * This call supports up to 6 arguments and 4 return arguments. Use
+ * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
+ *
+ * Used when phyp interface needs to be called in real mode. Similar to
+ * plpar_hcall, but plpar_hcall_raw works in real mode and does not
+ * calculate hypervisor call statistics.
+ */
+long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
+
+/**
+ * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
+ * @opcode: The hypervisor call to make.
+ * @retbuf: Buffer to store up to 9 return arguments in.
+ *
+ * This call supports up to 9 arguments and 9 return arguments. Use
+ * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
+ */
+#define PLPAR_HCALL9_BUFSIZE 9
+long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
+long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
+
+/* pseries hcall tracing */
+extern struct static_key hcall_tracepoint_key;
+void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
+void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
+
+struct hvcall_mpp_data {
+ unsigned long entitled_mem;
+ unsigned long mapped_mem;
+ unsigned short group_num;
+ unsigned short pool_num;
+ unsigned char mem_weight;
+ unsigned char unallocated_mem_weight;
+ unsigned long unallocated_entitlement; /* value in bytes */
+ unsigned long pool_size;
+ signed long loan_request;
+ unsigned long backing_mem;
+};
+
+int h_get_mpp(struct hvcall_mpp_data *);
+
+struct hvcall_mpp_x_data {
+ unsigned long coalesced_bytes;
+ unsigned long pool_coalesced_bytes;
+ unsigned long pool_purr_cycles;
+ unsigned long pool_spurr_cycles;
+ unsigned long reserved[3];
+};
+
+int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
+
+static inline unsigned int get_longbusy_msecs(int longbusy_rc)
+{
+ switch (longbusy_rc) {
+ case H_LONG_BUSY_ORDER_1_MSEC:
+ return 1;
+ case H_LONG_BUSY_ORDER_10_MSEC:
+ return 10;
+ case H_LONG_BUSY_ORDER_100_MSEC:
+ return 100;
+ case H_LONG_BUSY_ORDER_1_SEC:
+ return 1000;
+ case H_LONG_BUSY_ORDER_10_SEC:
+ return 10000;
+ case H_LONG_BUSY_ORDER_100_SEC:
+ return 100000;
+ default:
+ return 1;
+ }
+}
+
+struct h_cpu_char_result {
+ u64 character;
+ u64 behaviour;
+};
+
+/*
+ * Register state for entering a nested guest with H_ENTER_NESTED.
+ * New member must be added at the end.
+ */
+struct hv_guest_state {
+ u64 version; /* version of this structure layout, must be first */
+ u32 lpid;
+ u32 vcpu_token;
+ /* These registers are hypervisor privileged (at least for writing) */
+ u64 lpcr;
+ u64 pcr;
+ u64 amor;
+ u64 dpdes;
+ u64 hfscr;
+ s64 tb_offset;
+ u64 dawr0;
+ u64 dawrx0;
+ u64 ciabr;
+ u64 hdec_expiry;
+ u64 purr;
+ u64 spurr;
+ u64 ic;
+ u64 vtb;
+ u64 hdar;
+ u64 hdsisr;
+ u64 heir;
+ u64 asdr;
+ /* These are OS privileged but need to be set late in guest entry */
+ u64 srr0;
+ u64 srr1;
+ u64 sprg[4];
+ u64 pidr;
+ u64 cfar;
+ u64 ppr;
+ /* Version 1 ends here */
+ u64 dawr1;
+ u64 dawrx1;
+ /* Version 2 ends here */
+};
+
+/* Latest version of hv_guest_state structure */
+#define HV_GUEST_STATE_VERSION 2
+
+static inline int hv_guest_state_size(unsigned int version)
+{
+ switch (version) {
+ case 1:
+ return offsetofend(struct hv_guest_state, ppr);
+ case 2:
+ return offsetofend(struct hv_guest_state, dawrx1);
+ default:
+ return -1;
+ }
+}
+
+/*
+ * From the document "H_GetPerformanceCounterInfo Interface" v1.07
+ *
+ * H_GET_PERF_COUNTER_INFO argument
+ */
+struct hv_get_perf_counter_info_params {
+ __be32 counter_request; /* I */
+ __be32 starting_index; /* IO */
+ __be16 secondary_index; /* IO */
+ __be16 returned_values; /* O */
+ __be32 detail_rc; /* O, only needed when called via *_norets() */
+
+ /*
+ * O, size each of counter_value element in bytes, only set for version
+ * >= 0x3
+ */
+ __be16 cv_element_size;
+
+ /* I, 0 (zero) for versions < 0x3 */
+ __u8 counter_info_version_in;
+
+ /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
+ __u8 counter_info_version_out;
+ __u8 reserved[0xC];
+ __u8 counter_value[];
+} __packed;
+
+#define HGPCI_REQ_BUFFER_SIZE 4096
+#define HGPCI_MAX_DATA_BYTES \
+ (HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
+
+struct hv_gpci_request_buffer {
+ struct hv_get_perf_counter_info_params params;
+ uint8_t bytes[HGPCI_MAX_DATA_BYTES];
+} __packed;
+
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_HVCALL_H */