Merge branch 'omap-pool'

[linux-2.6-omap-h63xx.git] / drivers / misc / sgi-xp / xpc.h

diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
index 275b78896a73622362b6b53b5776db6fe20245d5..114444cfd496ee2e5526587fc7ccc2e17248a087 100644 (file)
--- 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 *);