diff options
Diffstat (limited to 'arch/powerpc/include/asm/hvcall.h')
| -rw-r--r-- | arch/powerpc/include/asm/hvcall.h | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h new file mode 100644 index 0000000000..c099780385 --- /dev/null +++ b/arch/powerpc/include/asm/hvcall.h @@ -0,0 +1,673 @@ +/* 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_PKS_SIGNED_UPDATE 0x454 +#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 */ |