drivers/scsi/ips.c

62 /*          - Send all of the commands on the queue at once rather than      */
103 /*          - Don't release HA Lock in ips_next() until SC taken off queue   */
798 	/* See if the command is on the copp queue */
808 		/* See if the command is on the wait queue */
1173 /*   Set queue depths on devices once scan is complete                      */
2503 /*   Take the next command off the queue and send it to the controller      */
2522 	 * Block access to the queue function so
2627 			spin_unlock(host->host_lock);	/* Unlock HA after command is taken off queue */
2732 /*   Add an item to the head of the queue                                   */
2738 ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2745 	item->q_next = queue->head;
2746 	queue->head = item;
2748 	if (!queue->tail)
2749 		queue->tail = item;
2751 	queue->count++;
2760 /*   Remove the head of the queue                                           */
2766 ips_removeq_scb_head(ips_scb_queue_t * queue)
2772 	item = queue->head;
2778 	queue->head = item->q_next;
2781 	if (queue->tail == item)
2782 		queue->tail = NULL;
2784 	queue->count--;
2795 /*   Remove an item from a queue                                            */
2801 ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2810 	if (item == queue->head) {
2811 		return (ips_removeq_scb_head(queue));
2814 	p = queue->head;
2824 			queue->tail = p;
2827 		queue->count--;
2841 /*   Add an item to the tail of the queue                                   */
2846 static void ips_putq_wait_tail(ips_wait_queue_entry_t *queue, struct scsi_cmnd *item)
2855 	if (queue->tail)
2856 		queue->tail->host_scribble = (char *) item;
2858 	queue->tail = item;
2860 	if (!queue->head)
2861 		queue->head = item;
2863 	queue->count++;
2872 /*   Remove the head of the queue                                           */
2877 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *queue)
2883 	item = queue->head;
2889 	queue->head = (struct scsi_cmnd *) item->host_scribble;
2892 	if (queue->tail == item)
2893 		queue->tail = NULL;
2895 	queue->count--;
2906 /*   Remove an item from a queue                                            */
2911 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *queue,
2921 	if (item == queue->head) {
2922 		return (ips_removeq_wait_head(queue));
2925 	p = queue->head;
2935 			queue->tail = p;
2938 		queue->count--;
2952 /*   Add an item to the tail of the queue                                   */
2958 ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
2967 	if (queue->tail)
2968 		queue->tail->next = item;
2970 	queue->tail = item;
2972 	if (!queue->head)
2973 		queue->head = item;
2975 	queue->count++;
2984 /*   Remove the head of the queue                                           */
2990 ips_removeq_copp_head(ips_copp_queue_t * queue)
2996 	item = queue->head;
3002 	queue->head = item->next;
3005 	if (queue->tail == item)
3006 		queue->tail = NULL;
3008 	queue->count--;
3019 /*   Remove an item from a queue                                            */
3025 ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3034 	if (item == queue->head) {
3035 		return (ips_removeq_copp_head(queue));
3038 	p = queue->head;
3048 			queue->tail = p;
3051 		queue->count--;
3138 		 * data and had to be broke up.  If so, queue
3835 	/* Remove the item from the active queue */
4593 /*   All other responses are just taken off the queue and ignored           */
5175 /*   Remove an element from the status queue                                */
5203 /*   Remove an element from the status queue                                */
5230 /*   Remove an element from the status queue                                */
5441 		/* status queue overflow or GHI */
5474 		/* status queue overflow or GHI */