/*
- * SCSI RDAM Protocol lib functions
+ * SCSI RDMA Protocol lib functions
*
* Copyright (C) 2006 FUJITA Tomonori <tomof@acm.org>
*
* 02110-1301 USA
*/
#include <linux/err.h>
+#include <linux/slab.h>
#include <linux/kfifo.h>
#include <linux/scatterlist.h>
#include <linux/dma-mapping.h>
goto free_pool;
spin_lock_init(&q->lock);
- q->queue = kfifo_init((void *) q->pool, max * sizeof(void *),
- GFP_KERNEL, &q->lock);
- if (IS_ERR(q->queue))
- goto free_item;
+ kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *));
for (i = 0, iue = q->items; i < max; i++) {
- __kfifo_put(q->queue, (void *) &iue, sizeof(void *));
+ kfifo_in(&q->queue, (void *) &iue, sizeof(void *));
iue->sbuf = ring[i];
iue++;
}
return 0;
-free_item:
kfree(q->items);
free_pool:
kfree(q->pool);
{
struct iu_entry *iue = NULL;
- kfifo_get(target->iu_queue.queue, (void *) &iue, sizeof(void *));
+ if (kfifo_out_locked(&target->iu_queue.queue, (void *) &iue,
+ sizeof(void *), &target->iu_queue.lock) != sizeof(void *)) {
+ WARN_ONCE(1, "unexpected fifo state");
+ return NULL;
+ }
if (!iue)
return iue;
iue->target = target;
void srp_iu_put(struct iu_entry *iue)
{
- kfifo_put(iue->target->iu_queue.queue, (void *) &iue, sizeof(void *));
+ kfifo_in_locked(&iue->target->iu_queue.queue, (void *) &iue,
+ sizeof(void *), &iue->target->iu_queue.lock);
}
EXPORT_SYMBOL_GPL(srp_iu_put);
int offset, err = 0;
u8 format;
- offset = cmd->add_cdb_len * 4;
+ offset = cmd->add_cdb_len & ~3;
dir = srp_cmd_direction(cmd);
if (dir == DMA_FROM_DEVICE)
{
struct srp_direct_buf *md;
struct srp_indirect_buf *id;
- int len = 0, offset = cmd->add_cdb_len * 4;
+ int len = 0, offset = cmd->add_cdb_len & ~3;
u8 fmt;
if (dir == DMA_TO_DEVICE)
}
EXPORT_SYMBOL_GPL(srp_cmd_queue);
-MODULE_DESCRIPTION("SCSI RDAM Protocol lib functions");
+MODULE_DESCRIPTION("SCSI RDMA Protocol lib functions");
MODULE_AUTHOR("FUJITA Tomonori");
MODULE_LICENSE("GPL");