Merge tag 'v2.6.37' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / include / scsi / scsi_host.h

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b7bdecb7b76efe6b11efe43063798c9887707f8b..e7e385842a38746d348eee460af6bc3d9e1a2ab6 100644 (file)
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -127,8 +127,7 @@ struct scsi_host_template {
         *
         * STATUS: REQUIRED
         */
-       int (* queuecommand)(struct scsi_cmnd *,
-                            void (*done)(struct scsi_cmnd *));
+       int (* queuecommand)(struct Scsi_Host *, struct scsi_cmnd *);
 
        /*
         * The transfer functions are used to queue a scsi command to
@@ -388,6 +387,7 @@ struct scsi_host_template {
         * of scatter-gather.
         */
        unsigned short sg_tablesize;
+       unsigned short sg_prot_tablesize;
 
        /*
         * Set this if the host adapter has limitations beside segment count.
@@ -503,6 +503,25 @@ struct scsi_host_template {
        u64 vendor_id;
 };
 
+/*
+ * Temporary #define for host lock push down. Can be removed when all
+ * drivers have been updated to take advantage of unlocked
+ * queuecommand.
+ *
+ */
+#define DEF_SCSI_QCMD(func_name) \
+       int func_name(struct Scsi_Host *shost, struct scsi_cmnd *cmd)   \
+       {                                                               \
+               unsigned long irq_flags;                                \
+               int rc;                                                 \
+               spin_lock_irqsave(shost->host_lock, irq_flags);         \
+               scsi_cmd_get_serial(shost, cmd);                        \
+               rc = func_name##_lck (cmd, cmd->scsi_done);                     \
+               spin_unlock_irqrestore(shost->host_lock, irq_flags);    \
+               return rc;                                              \
+       }
+
+
 /*
  * shost state: If you alter this, you also need to alter scsi_sysfs.c
  * (for the ascii descriptions) and the state model enforcer:
@@ -599,6 +618,7 @@ struct Scsi_Host {
        int can_queue;
        short cmd_per_lun;
        short unsigned int sg_tablesize;
+       short unsigned int sg_prot_tablesize;
        short unsigned int max_sectors;
        unsigned long dma_boundary;
        /* 
@@ -750,6 +770,7 @@ extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *);
 extern void scsi_host_put(struct Scsi_Host *t);
 extern struct Scsi_Host *scsi_host_lookup(unsigned short);
 extern const char *scsi_host_state_name(enum scsi_host_state);
+extern void scsi_cmd_get_serial(struct Scsi_Host *, struct scsi_cmnd *);
 
 extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *);
 
@@ -823,6 +844,11 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
        return shost->prot_capabilities;
 }
 
+static inline int scsi_host_prot_dma(struct Scsi_Host *shost)
+{
+       return shost->prot_capabilities >= SHOST_DIX_TYPE0_PROTECTION;
+}
+
 static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
        static unsigned char cap[] = { 0,