diff options
Diffstat (limited to 'drivers/scsi/arm/queue.h')
-rw-r--r-- | drivers/scsi/arm/queue.h | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/scsi/arm/queue.h b/drivers/scsi/arm/queue.h index 0c9dec4c1716..3c519c9237b2 100644 --- a/drivers/scsi/arm/queue.h +++ b/drivers/scsi/arm/queue.h | |||
@@ -32,46 +32,48 @@ extern int queue_initialise (Queue_t *queue); | |||
32 | extern void queue_free (Queue_t *queue); | 32 | extern void queue_free (Queue_t *queue); |
33 | 33 | ||
34 | /* | 34 | /* |
35 | * Function: Scsi_Cmnd *queue_remove (queue) | 35 | * Function: struct scsi_cmnd *queue_remove (queue) |
36 | * Purpose : removes first SCSI command from a queue | 36 | * Purpose : removes first SCSI command from a queue |
37 | * Params : queue - queue to remove command from | 37 | * Params : queue - queue to remove command from |
38 | * Returns : Scsi_Cmnd if successful (and a reference), or NULL if no command available | 38 | * Returns : struct scsi_cmnd if successful (and a reference), or NULL if no command available |
39 | */ | 39 | */ |
40 | extern Scsi_Cmnd *queue_remove (Queue_t *queue); | 40 | extern struct scsi_cmnd *queue_remove (Queue_t *queue); |
41 | 41 | ||
42 | /* | 42 | /* |
43 | * Function: Scsi_Cmnd *queue_remove_exclude_ref (queue, exclude) | 43 | * Function: struct scsi_cmnd *queue_remove_exclude_ref (queue, exclude) |
44 | * Purpose : remove a SCSI command from a queue | 44 | * Purpose : remove a SCSI command from a queue |
45 | * Params : queue - queue to remove command from | 45 | * Params : queue - queue to remove command from |
46 | * exclude - array of busy LUNs | 46 | * exclude - array of busy LUNs |
47 | * Returns : Scsi_Cmnd if successful (and a reference), or NULL if no command available | 47 | * Returns : struct scsi_cmnd if successful (and a reference), or NULL if no command available |
48 | */ | 48 | */ |
49 | extern Scsi_Cmnd *queue_remove_exclude (Queue_t *queue, unsigned long *exclude); | 49 | extern struct scsi_cmnd *queue_remove_exclude(Queue_t *queue, |
50 | unsigned long *exclude); | ||
50 | 51 | ||
51 | #define queue_add_cmd_ordered(queue,SCpnt) \ | 52 | #define queue_add_cmd_ordered(queue,SCpnt) \ |
52 | __queue_add(queue,SCpnt,(SCpnt)->cmnd[0] == REQUEST_SENSE) | 53 | __queue_add(queue,SCpnt,(SCpnt)->cmnd[0] == REQUEST_SENSE) |
53 | #define queue_add_cmd_tail(queue,SCpnt) \ | 54 | #define queue_add_cmd_tail(queue,SCpnt) \ |
54 | __queue_add(queue,SCpnt,0) | 55 | __queue_add(queue,SCpnt,0) |
55 | /* | 56 | /* |
56 | * Function: int __queue_add(Queue_t *queue, Scsi_Cmnd *SCpnt, int head) | 57 | * Function: int __queue_add(Queue_t *queue, struct scsi_cmnd *SCpnt, int head) |
57 | * Purpose : Add a new command onto a queue | 58 | * Purpose : Add a new command onto a queue |
58 | * Params : queue - destination queue | 59 | * Params : queue - destination queue |
59 | * SCpnt - command to add | 60 | * SCpnt - command to add |
60 | * head - add command to head of queue | 61 | * head - add command to head of queue |
61 | * Returns : 0 on error, !0 on success | 62 | * Returns : 0 on error, !0 on success |
62 | */ | 63 | */ |
63 | extern int __queue_add(Queue_t *queue, Scsi_Cmnd *SCpnt, int head); | 64 | extern int __queue_add(Queue_t *queue, struct scsi_cmnd *SCpnt, int head); |
64 | 65 | ||
65 | /* | 66 | /* |
66 | * Function: Scsi_Cmnd *queue_remove_tgtluntag (queue, target, lun, tag) | 67 | * Function: struct scsi_cmnd *queue_remove_tgtluntag (queue, target, lun, tag) |
67 | * Purpose : remove a SCSI command from the queue for a specified target/lun/tag | 68 | * Purpose : remove a SCSI command from the queue for a specified target/lun/tag |
68 | * Params : queue - queue to remove command from | 69 | * Params : queue - queue to remove command from |
69 | * target - target that we want | 70 | * target - target that we want |
70 | * lun - lun on device | 71 | * lun - lun on device |
71 | * tag - tag on device | 72 | * tag - tag on device |
72 | * Returns : Scsi_Cmnd if successful, or NULL if no command satisfies requirements | 73 | * Returns : struct scsi_cmnd if successful, or NULL if no command satisfies requirements |
73 | */ | 74 | */ |
74 | extern Scsi_Cmnd *queue_remove_tgtluntag (Queue_t *queue, int target, int lun, int tag); | 75 | extern struct scsi_cmnd *queue_remove_tgtluntag(Queue_t *queue, int target, |
76 | int lun, int tag); | ||
75 | 77 | ||
76 | /* | 78 | /* |
77 | * Function: queue_remove_all_target(queue, target) | 79 | * Function: queue_remove_all_target(queue, target) |
@@ -94,12 +96,12 @@ extern void queue_remove_all_target(Queue_t *queue, int target); | |||
94 | extern int queue_probetgtlun (Queue_t *queue, int target, int lun); | 96 | extern int queue_probetgtlun (Queue_t *queue, int target, int lun); |
95 | 97 | ||
96 | /* | 98 | /* |
97 | * Function: int queue_remove_cmd (Queue_t *queue, Scsi_Cmnd *SCpnt) | 99 | * Function: int queue_remove_cmd (Queue_t *queue, struct scsi_cmnd *SCpnt) |
98 | * Purpose : remove a specific command from the queues | 100 | * Purpose : remove a specific command from the queues |
99 | * Params : queue - queue to look in | 101 | * Params : queue - queue to look in |
100 | * SCpnt - command to find | 102 | * SCpnt - command to find |
101 | * Returns : 0 if not found | 103 | * Returns : 0 if not found |
102 | */ | 104 | */ |
103 | int queue_remove_cmd(Queue_t *queue, Scsi_Cmnd *SCpnt); | 105 | int queue_remove_cmd(Queue_t *queue, struct scsi_cmnd *SCpnt); |
104 | 106 | ||
105 | #endif /* QUEUE_H */ | 107 | #endif /* QUEUE_H */ |