1 files changed, 296 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
new file mode 100644
index 000000000000..fbe2932fa9e9
--- /dev/null
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -0,0 +1,296 @@
+#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 */
+#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_RESCINDEND    -46
+
+
+/* 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_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_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))
+
+/* 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
+
+/* DABRX flags */
+#define H_DABRX_HYPERVISOR      (1UL<<(63-61))
+#define H_DABRX_KERNEL          (1UL<<(63-62))
+#define H_DABRX_USER            (1UL<<(63-63))
+
+/* Each control block has to be on a 4K bondary */
+#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_FREE_LOGICAL_LAN_BUFFER 0x1D4
+#define H_QUERY_INT_STATE       0x1E4
+#define H_POLL_PENDING          0x1D8
+#define H_ILLAN_ATTRIBUTES      0x244
+#define H_JOIN                  0x298
+#define H_VASI_STATE            0x2A4
+#define H_ENABLE_CRQ            0x2B0
+#define H_SET_MPP               0x2D0
+#define H_GET_MPP               0x2D4
+#define MAX_HCALL_OPCODE        H_GET_MPP
+
+#ifndef __ASSEMBLY__
+
+/**
+ * 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, ...);
+
+/* For hcall instrumentation.  One structure per-hcall, per-CPU */
+struct hcall_stats {
+        unsigned long   num_calls;      /* number of calls (on this CPU) */
+        unsigned long   tb_total;       /* total wall time (mftb) of calls. */
+        unsigned long   purr_total;     /* total cpu time (PURR) of calls. */
+};
+#define HCALL_STAT_ARRAY_SIZE   ((MAX_HCALL_OPCODE >> 2) + 1)
+
+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 *);
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_HVCALL_H */