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/* 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_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_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_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_RPT_INVALIDATE 0x448
#define H_SCM_FLUSH 0x44C
#define MAX_HCALL_OPCODE H_SCM_FLUSH
/* 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", 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, ...);
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 */
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