diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xpc.h')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc.h | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h index 275b78896a73..114444cfd496 100644 --- a/drivers/misc/sgi-xp/xpc.h +++ b/drivers/misc/sgi-xp/xpc.h @@ -92,7 +92,9 @@ struct xpc_rsvd_page { u8 pad1[3]; /* align to next u64 in 1st 64-byte cacheline */ union { unsigned long vars_pa; /* phys address of struct xpc_vars */ - unsigned long activate_mq_gpa; /* gru phy addr of activate_mq */ + unsigned long activate_gru_mq_desc_gpa; /* phys addr of */ + /* activate mq's */ + /* gru mq descriptor */ } sn; unsigned long ts_jiffies; /* timestamp when rsvd pg was setup by XPC */ u64 pad2[10]; /* align to last u64 in 2nd 64-byte cacheline */ @@ -189,7 +191,9 @@ struct xpc_gru_mq_uv { int irq; /* irq raised when message is received in mq */ int mmr_blade; /* blade where watchlist was allocated from */ unsigned long mmr_offset; /* offset of irq mmr located on mmr_blade */ + unsigned long mmr_value; /* value of irq mmr located on mmr_blade */ int watchlist_num; /* number of watchlist allocatd by BIOS */ + void *gru_mq_desc; /* opaque structure used by the GRU driver */ }; /* @@ -197,6 +201,7 @@ struct xpc_gru_mq_uv { * heartbeat, partition active state, and channel state. This is UV only. */ struct xpc_activate_mq_msghdr_uv { + unsigned int gru_msg_hdr; /* FOR GRU INTERNAL USE ONLY */ short partid; /* sender's partid */ u8 act_state; /* sender's act_state at time msg sent */ u8 type; /* message's type */ @@ -232,7 +237,7 @@ struct xpc_activate_mq_msg_heartbeat_req_uv { struct xpc_activate_mq_msg_activate_req_uv { struct xpc_activate_mq_msghdr_uv hdr; unsigned long rp_gpa; - unsigned long activate_mq_gpa; + unsigned long activate_gru_mq_desc_gpa; }; struct xpc_activate_mq_msg_deactivate_req_uv { @@ -263,7 +268,7 @@ struct xpc_activate_mq_msg_chctl_openreply_uv { short ch_number; short remote_nentries; /* ??? Is this needed? What is? */ short local_nentries; /* ??? Is this needed? What is? */ - unsigned long local_notify_mq_gpa; + unsigned long notify_gru_mq_desc_gpa; }; /* @@ -510,8 +515,8 @@ struct xpc_channel_sn2 { }; struct xpc_channel_uv { - unsigned long remote_notify_mq_gpa; /* gru phys address of remote */ - /* partition's notify mq */ + void *cached_notify_gru_mq_desc; /* remote partition's notify mq's */ + /* gru mq descriptor */ struct xpc_send_msg_slot_uv *send_msg_slots; void *recv_msg_slots; /* each slot will hold a xpc_notify_mq_msg_uv */ @@ -682,8 +687,12 @@ struct xpc_partition_sn2 { }; struct xpc_partition_uv { - unsigned long remote_activate_mq_gpa; /* gru phys address of remote */ - /* partition's activate mq */ + unsigned long activate_gru_mq_desc_gpa; /* phys addr of parititon's */ + /* activate mq's gru mq */ + /* descriptor */ + void *cached_activate_gru_mq_desc; /* cached copy of partition's */ + /* activate mq's gru mq descriptor */ + struct mutex cached_activate_gru_mq_desc_mutex; spinlock_t flags_lock; /* protect updating of flags */ unsigned int flags; /* general flags */ u8 remote_act_state; /* remote partition's act_state */ @@ -694,8 +703,9 @@ struct xpc_partition_uv { /* struct xpc_partition_uv flags */ -#define XPC_P_HEARTBEAT_OFFLINE_UV 0x00000001 -#define XPC_P_ENGAGED_UV 0x00000002 +#define XPC_P_HEARTBEAT_OFFLINE_UV 0x00000001 +#define XPC_P_ENGAGED_UV 0x00000002 +#define XPC_P_CACHED_ACTIVATE_GRU_MQ_DESC_UV 0x00000004 /* struct xpc_partition_uv act_state change requests */ @@ -804,6 +814,7 @@ extern void xpc_activate_kthreads(struct xpc_channel *, int); extern void xpc_create_kthreads(struct xpc_channel *, int, int); extern void xpc_disconnect_wait(int); extern int (*xpc_setup_partitions_sn) (void); +extern void (*xpc_teardown_partitions_sn) (void); extern enum xp_retval (*xpc_get_partition_rsvd_page_pa) (void *, u64 *, unsigned long *, size_t *); @@ -846,8 +857,8 @@ extern void (*xpc_send_chctl_openrequest) (struct xpc_channel *, unsigned long *); extern void (*xpc_send_chctl_openreply) (struct xpc_channel *, unsigned long *); -extern void (*xpc_save_remote_msgqueue_pa) (struct xpc_channel *, - unsigned long); +extern enum xp_retval (*xpc_save_remote_msgqueue_pa) (struct xpc_channel *, + unsigned long); extern enum xp_retval (*xpc_send_payload) (struct xpc_channel *, u32, void *, u16, u8, xpc_notify_func, void *); |