[linux-2.6-block.git] / arch / powerpc / include / asm / hvcall.h

/* 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

/* 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_GETC      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_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_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 MAX_HCALL_OPCODE	H_SCM_PERFORMANCE_STATS

/* 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

/* Values for 2nd argument to H_SET_MODE */
#define H_SET_MODE_RESOURCE_SET_CIABR		1
#define H_SET_MODE_RESOURCE_SET_DAWR		2
#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE	3
#define H_SET_MODE_RESOURCE_LE			4

/* 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_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_FLUSH_COUNT_CACHE	(1ull << 58) // IBM bit 5

/* 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

#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, ...);

/**
 * 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 */
struct hv_guest_state {
	u64 version;		/* version of this structure layout */
	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;
};

/* Latest version of hv_guest_state structure */
#define HV_GUEST_STATE_VERSION	1

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HVCALL_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
d3d2176a DG	2	#ifndef _ASM_POWERPC_HVCALL_H
d3d2176a DG	3	#define _ASM_POWERPC_HVCALL_H
88ced031	4	#ifdef __KERNEL__
1da177e4 LT	5
	6	#define HVSC .long 0x44000022
	7
706c8c93 SB	8	#define H_SUCCESS 0
	9	#define H_BUSY 1 /* Hardware busy -- retry later */
	10	#define H_CLOSED 2 /* Resource closed */
b13a96cf	11	#define H_NOT_AVAILABLE 3
706c8c93	12	#define H_CONSTRAINED 4 /* Resource request constrained to max allowed */
b13a96cf	13	#define H_PARTIAL 5
706c8c93	14	#define H_IN_PROGRESS 14 /* Kind of like busy */
b13a96cf HS	15	#define H_PAGE_REGISTERED 15
b13a96cf HS	16	#define H_PARTIAL_STORE 16
706c8c93 SB	17	#define H_PENDING 17 /* returned from H_POLL_PENDING */
	18	#define H_CONTINUE 18 /* Returned from H_Join on success */
	19	#define H_LONG_BUSY_START_RANGE 9900 /* Start of long busy range */
	20	#define H_LONG_BUSY_ORDER_1_MSEC 9900 /* Long busy, hint that 1msec \
	21	is a good time to retry */
	22	#define H_LONG_BUSY_ORDER_10_MSEC 9901 /* Long busy, hint that 10msec \
	23	is a good time to retry */
	24	#define H_LONG_BUSY_ORDER_100_MSEC 9902 /* Long busy, hint that 100msec \
	25	is a good time to retry */
	26	#define H_LONG_BUSY_ORDER_1_SEC 9903 /* Long busy, hint that 1sec \
	27	is a good time to retry */
	28	#define H_LONG_BUSY_ORDER_10_SEC 9904 /* Long busy, hint that 10sec \
	29	is a good time to retry */
	30	#define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \
	31	is a good time to retry */
	32	#define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */
a8606e20 PM	33
	34	/* Internal value used in book3s_hv kvm support; not returned to guests */
	35	#define H_TOO_HARD 9999
	36
706c8c93 SB	37	#define H_HARDWARE -1 /* Hardware error */
	38	#define H_FUNCTION -2 /* Function not supported */
	39	#define H_PRIVILEGE -3 /* Caller not privileged */
	40	#define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */
	41	#define H_BAD_MODE -5 /* Illegal msr value */
	42	#define H_PTEG_FULL -6 /* PTEG is full */
	43	#define H_NOT_FOUND -7 /* PTE was not found" */
	44	#define H_RESERVED_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */
	45	#define H_NO_MEM -9
	46	#define H_AUTHORITY -10
	47	#define H_PERMISSION -11
	48	#define H_DROPPED -12
	49	#define H_SOURCE_PARM -13
	50	#define H_DEST_PARM -14
	51	#define H_REMOTE_PARM -15
	52	#define H_RESOURCE -16
b13a96cf HS	53	#define H_ADAPTER_PARM -17
	54	#define H_RH_PARM -18
	55	#define H_RCQ_PARM -19
	56	#define H_SCQ_PARM -20
	57	#define H_EQ_PARM -21
	58	#define H_RT_PARM -22
	59	#define H_ST_PARM -23
	60	#define H_SIGT_PARM -24
	61	#define H_TOKEN_PARM -25
	62	#define H_MLENGTH_PARM -27
	63	#define H_MEM_PARM -28
	64	#define H_MEM_ACCESS_PARM -29
	65	#define H_ATTR_PARM -30
	66	#define H_PORT_PARM -31
	67	#define H_MCG_PARM -32
	68	#define H_VL_PARM -33
	69	#define H_TSIZE_PARM -34
	70	#define H_TRACE_PARM -35
	71
	72	#define H_MASK_PARM -37
	73	#define H_MCG_FULL -38
	74	#define H_ALIAS_EXIST -39
	75	#define H_P_COUNTER -40
	76	#define H_TABLE_FULL -41
	77	#define H_ALT_TABLE -42
	78	#define H_MR_CONDITION -43
	79	#define H_NOT_ENOUGH_RESOURCES -44
	80	#define H_R_STATE -45
4d6e0fa1 KY	81	#define H_RESCINDED -46
	82	#define H_P2 -55
	83	#define H_P3 -56
	84	#define H_P4 -57
	85	#define H_P5 -58
	86	#define H_P6 -59
	87	#define H_P7 -60
	88	#define H_P8 -61
	89	#define H_P9 -62
	90	#define H_TOO_BIG -64
e8ebedbf	91	#define H_UNSUPPORTED -67
4d6e0fa1 KY	92	#define H_OVERLAP -68
	93	#define H_INTERRUPT -69
	94	#define H_BAD_DATA -70
	95	#define H_NOT_ACTIVE -71
	96	#define H_SG_LIST -72
	97	#define H_OP_MODE -73
	98	#define H_COP_HW -74
c0efa9ae	99	#define H_STATE -75
4d6e0fa1 KY	100	#define H_UNSUPPORTED_FLAG_START -256
	101	#define H_UNSUPPORTED_FLAG_END -511
	102	#define H_MULTI_THREADS_ACTIVE -9005
	103	#define H_OUTSTANDING_COP_OPS -9006
b13a96cf	104
1da177e4 LT	105
	106	/* Long Busy is a condition that can be returned by the firmware
	107	* when a call cannot be completed now, but the identical call
	108	* should be retried later. This prevents calls blocking in the
706c8c93	109	* firmware for long periods of time. Annoyingly the firmware can return
1da177e4 LT	110	* a range of return codes, hinting at how long we should wait before
	111	* retrying. If you don't care for the hint, the macro below is a good
	112	* way to check for the long_busy return codes
	113	*/
706c8c93 SB	114	#define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
706c8c93 SB	115	&& (x <= H_LONG_BUSY_END_RANGE))
1da177e4 LT	116
	117	/* Flags */
	118	#define H_LARGE_PAGE (1UL<<(63-16))
	119	#define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
	120	#define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
	121	#define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
86630a32 BK	122	#define H_PAGE_STATE_CHANGE (1UL<<(63-28))
	123	#define H_PAGE_UNUSED ((1UL<<(63-29)) \| (1UL<<(63-30)))
	124	#define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE \| H_PAGE_UNUSED)
	125	#define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED \| (1UL<<(63-31)))
	126	#define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
1da177e4 LT	127	#define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
1da177e4 LT	128	#define H_ANDCOND (1UL<<(63-33))
a8606e20	129	#define H_LOCAL (1UL<<(63-35))
1da177e4 LT	130	#define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
1da177e4 LT	131	#define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
9ee820fa	132	#define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */
1da177e4 LT	133	#define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
	134	#define H_COPY_PAGE (1UL<<(63-49))
	135	#define H_N (1UL<<(63-61))
	136	#define H_PP1 (1UL<<(63-62))
	137	#define H_PP2 (1UL<<(63-63))
	138
2e25aa5f PM	139	/* Flags for H_REGISTER_VPA subfunction field */
	140	#define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */
	141	#define H_VPA_FUNC_MASK 7UL
	142	#define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */
	143	#define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */
	144	#define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */
	145	#define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */
	146	#define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */
	147	#define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */
	148
368a6ba5 DB	149	/* VASI States */
	150	#define H_VASI_INVALID 0
	151	#define H_VASI_ENABLED 1
	152	#define H_VASI_ABORTED 2
	153	#define H_VASI_SUSPENDING 3
	154	#define H_VASI_SUSPENDED 4
	155	#define H_VASI_RESUMED 5
	156	#define H_VASI_COMPLETED 6
	157
25985edc	158	/* Each control block has to be on a 4K boundary */
b13a96cf HS	159	#define H_CB_ALIGNMENT 4096
b13a96cf HS	160
1da177e4 LT	161	/* pSeries hypervisor opcodes */
	162	#define H_REMOVE 0x04
	163	#define H_ENTER 0x08
	164	#define H_READ 0x0c
	165	#define H_CLEAR_MOD 0x10
	166	#define H_CLEAR_REF 0x14
	167	#define H_PROTECT 0x18
	168	#define H_GET_TCE 0x1c
	169	#define H_PUT_TCE 0x20
	170	#define H_SET_SPRG0 0x24
	171	#define H_SET_DABR 0x28
	172	#define H_PAGE_INIT 0x2c
	173	#define H_SET_ASR 0x30
	174	#define H_ASR_ON 0x34
	175	#define H_ASR_OFF 0x38
	176	#define H_LOGICAL_CI_LOAD 0x3c
	177	#define H_LOGICAL_CI_STORE 0x40
	178	#define H_LOGICAL_CACHE_LOAD 0x44
	179	#define H_LOGICAL_CACHE_STORE 0x48
	180	#define H_LOGICAL_ICBI 0x4c
	181	#define H_LOGICAL_DCBF 0x50
	182	#define H_GET_TERM_CHAR 0x54
	183	#define H_PUT_TERM_CHAR 0x58
	184	#define H_REAL_TO_LOGICAL 0x5c
	185	#define H_HYPERVISOR_DATA 0x60
	186	#define H_EOI 0x64
	187	#define H_CPPR 0x68
	188	#define H_IPI 0x6c
	189	#define H_IPOLL 0x70
	190	#define H_XIRR 0x74
	191	#define H_PERFMON 0x7c
	192	#define H_MIGRATE_DMA 0x78
	193	#define H_REGISTER_VPA 0xDC
706c8c93	194	#define H_CEDE 0xE0
1da177e4	195	#define H_CONFER 0xE4
706c8c93	196	#define H_PROD 0xE8
1da177e4 LT	197	#define H_GET_PPP 0xEC
	198	#define H_SET_PPP 0xF0
	199	#define H_PURR 0xF4
706c8c93	200	#define H_PIC 0xF8
1da177e4 LT	201	#define H_REG_CRQ 0xFC
	202	#define H_FREE_CRQ 0x100
	203	#define H_VIO_SIGNAL 0x104
	204	#define H_SEND_CRQ 0x108
706c8c93	205	#define H_COPY_RDMA 0x110
cb18bd40 MK	206	#define H_REGISTER_LOGICAL_LAN 0x114
	207	#define H_FREE_LOGICAL_LAN 0x118
	208	#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
	209	#define H_SEND_LOGICAL_LAN 0x120
f03e64f2	210	#define H_BULK_REMOVE 0x124
cb18bd40	211	#define H_MULTICAST_CTRL 0x130
fd9648df	212	#define H_SET_XDABR 0x134
1da177e4 LT	213	#define H_STUFF_TCE 0x138
1da177e4 LT	214	#define H_PUT_TCE_INDIRECT 0x13C
cb18bd40	215	#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
1da177e4 LT	216	#define H_VTERM_PARTNER_INFO 0x150
	217	#define H_REGISTER_VTERM 0x154
	218	#define H_FREE_VTERM 0x158
b13a96cf HS	219	#define H_RESET_EVENTS 0x15C
	220	#define H_ALLOC_RESOURCE 0x160
	221	#define H_FREE_RESOURCE 0x164
	222	#define H_MODIFY_QP 0x168
	223	#define H_QUERY_QP 0x16C
	224	#define H_REREGISTER_PMR 0x170
	225	#define H_REGISTER_SMR 0x174
	226	#define H_QUERY_MR 0x178
	227	#define H_QUERY_MW 0x17C
	228	#define H_QUERY_HCA 0x180
	229	#define H_QUERY_PORT 0x184
	230	#define H_MODIFY_PORT 0x188
	231	#define H_DEFINE_AQP1 0x18C
	232	#define H_GET_TRACE_BUFFER 0x190
	233	#define H_DEFINE_AQP0 0x194
	234	#define H_RESIZE_MR 0x198
	235	#define H_ATTACH_MCQP 0x19C
	236	#define H_DETACH_MCQP 0x1A0
	237	#define H_CREATE_RPT 0x1A4
	238	#define H_REMOVE_RPT 0x1A8
	239	#define H_REGISTER_RPAGES 0x1AC
	240	#define H_DISABLE_AND_GETC 0x1B0
	241	#define H_ERROR_DATA 0x1B4
	242	#define H_GET_HCA_INFO 0x1B8
	243	#define H_GET_PERF_COUNT 0x1BC
	244	#define H_MANAGE_TRACE 0x1C0
191eccb1	245	#define H_GET_CPU_CHARACTERISTICS 0x1C8
cb18bd40	246	#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
b13a96cf	247	#define H_QUERY_INT_STATE 0x1E4
706c8c93	248	#define H_POLL_PENDING 0x1D8
3c0c9e38	249	#define H_ILLAN_ATTRIBUTES 0x244
d95cacc5 AB	250	#define H_MODIFY_HEA_QP 0x250
	251	#define H_QUERY_HEA_QP 0x254
	252	#define H_QUERY_HEA 0x258
	253	#define H_QUERY_HEA_PORT 0x25C
	254	#define H_MODIFY_HEA_PORT 0x260
	255	#define H_REG_BCMC 0x264
	256	#define H_DEREG_BCMC 0x268
	257	#define H_REGISTER_HEA_RPAGES 0x26C
	258	#define H_DISABLE_AND_GET_HEA 0x270
	259	#define H_GET_HEA_INFO 0x274
	260	#define H_ALLOC_HEA_RESOURCE 0x278
	261	#define H_ADD_CONN 0x284
	262	#define H_DEL_CONN 0x288
43ccf202	263	#define H_JOIN 0x298
368a6ba5	264	#define H_VASI_STATE 0x2A4
032c5e82	265	#define H_VIOCTL 0x2A8
43ccf202	266	#define H_ENABLE_CRQ 0x2B0
6fe9d1fa	267	#define H_GET_EM_PARMS 0x2B8
dfc3403f NF	268	#define H_SET_MPP 0x2D0
dfc3403f NF	269	#define H_GET_MPP 0x2D4
032c5e82	270	#define H_REG_SUB_CRQ 0x2DC
36f567b4	271	#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
032c5e82 TF	272	#define H_FREE_SUB_CRQ 0x2E0
	273	#define H_SEND_SUB_CRQ 0x2E4
	274	#define H_SEND_SUB_CRQ_INDIRECT 0x2E8
5742bd85	275	#define H_BEST_ENERGY 0x2F4
8e44ddc3	276	#define H_XIRR_X 0x2FC
4d6e0fa1 KY	277	#define H_RANDOM 0x300
4d6e0fa1 KY	278	#define H_COP 0x304
9ee820fa	279	#define H_GET_MPP_X 0x314
d8f48ecc	280	#define H_SET_MODE 0x31C
ba2dd8a2	281	#define H_BLOCK_REMOVE 0x328
5246adec	282	#define H_CLEAR_HPT 0x358
0eca353e	283	#define H_REQUEST_VMC 0x360
64b40ffb DG	284	#define H_RESIZE_HPT_PREPARE 0x36C
64b40ffb DG	285	#define H_RESIZE_HPT_COMMIT 0x370
cc3d2940	286	#define H_REGISTER_PROC_TBL 0x37C
53ce2996	287	#define H_SIGNAL_SYS_RESET 0x380
eac1e731 CLG	288	#define H_INT_GET_SOURCE_INFO 0x3A8
	289	#define H_INT_SET_SOURCE_CONFIG 0x3AC
	290	#define H_INT_GET_SOURCE_CONFIG 0x3B0
	291	#define H_INT_GET_QUEUE_INFO 0x3B4
	292	#define H_INT_SET_QUEUE_CONFIG 0x3B8
	293	#define H_INT_GET_QUEUE_CONFIG 0x3BC
	294	#define H_INT_SET_OS_REPORTING_LINE 0x3C0
	295	#define H_INT_GET_OS_REPORTING_LINE 0x3C4
	296	#define H_INT_ESB 0x3C8
	297	#define H_INT_SYNC 0x3CC
	298	#define H_INT_RESET 0x3D0
4c5d87db OH	299	#define H_SCM_READ_METADATA 0x3E4
	300	#define H_SCM_WRITE_METADATA 0x3E8
	301	#define H_SCM_BIND_MEM 0x3EC
	302	#define H_SCM_UNBIND_MEM 0x3F0
	303	#define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
	304	#define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
6d140e75 VJ	305	#define H_SCM_UNBIND_ALL 0x3FC
	306	#define H_SCM_HEALTH 0x400
	307	#define H_SCM_PERFORMANCE_STATS 0x418
	308	#define MAX_HCALL_OPCODE H_SCM_PERFORMANCE_STATS
	309
	310	/* Scope args for H_SCM_UNBIND_ALL */
	311	#define H_UNBIND_SCOPE_ALL (0x1)
	312	#define H_UNBIND_SCOPE_DRC (0x2)
1da177e4	313
032c5e82 TF	314	/* H_VIOCTL functions */
	315	#define H_GET_VIOA_DUMP_SIZE 0x01
	316	#define H_GET_VIOA_DUMP 0x02
	317	#define H_GET_ILLAN_NUM_VLAN_IDS 0x03
	318	#define H_GET_ILLAN_VLAN_ID_LIST 0x04
	319	#define H_GET_ILLAN_SWITCH_ID 0x05
	320	#define H_DISABLE_MIGRATION 0x06
	321	#define H_ENABLE_MIGRATION 0x07
	322	#define H_GET_PARTNER_INFO 0x08
	323	#define H_GET_PARTNER_WWPN_LIST 0x09
	324	#define H_DISABLE_ALL_VIO_INTS 0x0A
	325	#define H_DISABLE_VIO_INTERRUPT 0x0B
	326	#define H_ENABLE_VIO_INTERRUPT 0x0C
40c9db8a TF	327	#define H_GET_SESSION_TOKEN 0x19
40c9db8a TF	328	#define H_SESSION_ERR_DETECTED 0x1A
032c5e82 TF	329
032c5e82 TF	330
8e591cb7 ME	331	/* Platform specific hcalls, used by KVM */
	332	#define H_RTAS 0xf000
	333
827f798a CS	334	/* "Platform specific hcalls", provided by PHYP */
	335	#define H_GET_24X7_CATALOG_PAGE 0xF078
	336	#define H_GET_24X7_DATA 0xF07C
	337	#define H_GET_PERF_COUNTER_INFO 0xF080
	338
8e3f5fc1 PM	339	/* Platform-specific hcalls used for nested HV KVM */
	340	#define H_SET_PARTITION_TABLE 0xF800
	341	#define H_ENTER_NESTED 0xF804
	342	#define H_TLB_INVALIDATE 0xF808
6ff887b8	343	#define H_COPY_TOFROM_GUEST 0xF80C
8e3f5fc1	344
9642382e MN	345	/* Values for 2nd argument to H_SET_MODE */
	346	#define H_SET_MODE_RESOURCE_SET_CIABR 1
	347	#define H_SET_MODE_RESOURCE_SET_DAWR 2
	348	#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
	349	#define H_SET_MODE_RESOURCE_LE 4
	350
53ce2996 NP	351	/* Values for argument to H_SIGNAL_SYS_RESET */
	352	#define H_SIGNAL_SYS_RESET_ALL -1
	353	#define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
	354	/* >= 0 values are CPU number */
	355
191eccb1 MN	356	/* H_GET_CPU_CHARACTERISTICS return values */
	357	#define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
	358	#define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
	359	#define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
	360	#define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
	361	#define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
c4bc3662 ME	362	#define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
	363	#define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
	364	#define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
ba72dc17	365	#define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
191eccb1 MN	366
	367	#define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
	368	#define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
	369	#define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
ba72dc17	370	#define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
191eccb1	371
cc3d2940 PM	372	/* Flag values used in H_REGISTER_PROC_TBL hcall */
	373	#define PROC_TABLE_OP_MASK 0x18
	374	#define PROC_TABLE_DEREG 0x10
	375	#define PROC_TABLE_NEW 0x18
	376	#define PROC_TABLE_TYPE_MASK 0x06
	377	#define PROC_TABLE_HPT_SLB 0x00
	378	#define PROC_TABLE_HPT_PT 0x02
	379	#define PROC_TABLE_RADIX 0x04
	380	#define PROC_TABLE_GTSE 0x01
	381
1da177e4	382	#ifndef __ASSEMBLY__
1b689a95	383	#include <linux/types.h>
1da177e4	384
b9377ffc AB	385	/**
	386	* plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
	387	* @opcode: The hypervisor call to make.
1da177e4	388	*
b9377ffc AB	389	* This call supports up to 7 arguments and only returns the status of
	390	* the hcall. Use this version where possible, its slightly faster than
	391	* the other plpar_hcalls.
1da177e4 LT	392	*/
	393	long plpar_hcall_norets(unsigned long opcode, ...);
	394
b9377ffc AB	395	/**
	396	* plpar_hcall: - Make a pseries hypervisor call
	397	* @opcode: The hypervisor call to make.
	398	* @retbuf: Buffer to store up to 4 return arguments in.
1da177e4	399	*
b9377ffc AB	400	* This call supports up to 6 arguments and 4 return arguments. Use
b9377ffc AB	401	* PLPAR_HCALL_BUFSIZE to size the return argument buffer.
d3d2176a	402	*
b9377ffc	403	* Used for all but the craziest of phyp interfaces (see plpar_hcall9)
1da177e4	404	*/
b9377ffc AB	405	#define PLPAR_HCALL_BUFSIZE 4
b9377ffc AB	406	long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
1da177e4	407
b4aea36b MK	408	/**
	409	* plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
	410	* @opcode: The hypervisor call to make.
	411	* @retbuf: Buffer to store up to 4 return arguments in.
	412	*
	413	* This call supports up to 6 arguments and 4 return arguments. Use
	414	* PLPAR_HCALL_BUFSIZE to size the return argument buffer.
	415	*
	416	* Used when phyp interface needs to be called in real mode. Similar to
	417	* plpar_hcall, but plpar_hcall_raw works in real mode and does not
	418	* calculate hypervisor call statistics.
	419	*/
	420	long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
	421
b9377ffc AB	422	/**
	423	* plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
	424	* @opcode: The hypervisor call to make.
	425	* @retbuf: Buffer to store up to 9 return arguments in.
	426	*
	427	* This call supports up to 9 arguments and 9 return arguments. Use
	428	* PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
	429	*/
	430	#define PLPAR_HCALL9_BUFSIZE 9
	431	long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
f90ece28	432	long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
b13a96cf	433
dfc3403f NF	434	struct hvcall_mpp_data {
	435	unsigned long entitled_mem;
	436	unsigned long mapped_mem;
	437	unsigned short group_num;
	438	unsigned short pool_num;
	439	unsigned char mem_weight;
	440	unsigned char unallocated_mem_weight;
	441	unsigned long unallocated_entitlement; /* value in bytes */
	442	unsigned long pool_size;
	443	signed long loan_request;
	444	unsigned long backing_mem;
	445	};
	446
	447	int h_get_mpp(struct hvcall_mpp_data *);
81f14997	448
9ee820fa BK	449	struct hvcall_mpp_x_data {
	450	unsigned long coalesced_bytes;
	451	unsigned long pool_coalesced_bytes;
	452	unsigned long pool_purr_cycles;
	453	unsigned long pool_spurr_cycles;
	454	unsigned long reserved[3];
	455	};
	456
	457	int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
	458
cca55d9d IM	459	static inline unsigned int get_longbusy_msecs(int longbusy_rc)
	460	{
	461	switch (longbusy_rc) {
	462	case H_LONG_BUSY_ORDER_1_MSEC:
	463	return 1;
	464	case H_LONG_BUSY_ORDER_10_MSEC:
	465	return 10;
	466	case H_LONG_BUSY_ORDER_100_MSEC:
	467	return 100;
	468	case H_LONG_BUSY_ORDER_1_SEC:
	469	return 1000;
	470	case H_LONG_BUSY_ORDER_10_SEC:
	471	return 10000;
	472	case H_LONG_BUSY_ORDER_100_SEC:
	473	return 100000;
	474	default:
	475	return 1;
	476	}
	477	}
	478
191eccb1 MN	479	struct h_cpu_char_result {
	480	u64 character;
	481	u64 behaviour;
	482	};
	483
360cae31 PM	484	/* Register state for entering a nested guest with H_ENTER_NESTED */
	485	struct hv_guest_state {
	486	u64 version; /* version of this structure layout */
	487	u32 lpid;
	488	u32 vcpu_token;
	489	/* These registers are hypervisor privileged (at least for writing) */
	490	u64 lpcr;
	491	u64 pcr;
	492	u64 amor;
	493	u64 dpdes;
	494	u64 hfscr;
	495	s64 tb_offset;
	496	u64 dawr0;
	497	u64 dawrx0;
	498	u64 ciabr;
	499	u64 hdec_expiry;
	500	u64 purr;
	501	u64 spurr;
	502	u64 ic;
	503	u64 vtb;
	504	u64 hdar;
	505	u64 hdsisr;
	506	u64 heir;
	507	u64 asdr;
	508	/* These are OS privileged but need to be set late in guest entry */
	509	u64 srr0;
	510	u64 srr1;
	511	u64 sprg[4];
	512	u64 pidr;
	513	u64 cfar;
	514	u64 ppr;
	515	};
	516
	517	/* Latest version of hv_guest_state structure */
	518	#define HV_GUEST_STATE_VERSION 1
	519
1da177e4	520	#endif /* __ASSEMBLY__ */
88ced031	521	#endif /* __KERNEL__ */
d3d2176a	522	#endif /* _ASM_POWERPC_HVCALL_H */