libsrp: removal

Remove the libsrp module which was only used by the now removed ibmvstgt
driver.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>

1 files changed, 0 insertions, 78 deletions

diff --git a/include/scsi/libsrp.h b/include/scsi/libsrp.h
deleted file mode 100644
index f4105c91af53..000000000000
--- a/include/scsi/libsrp.h
+++ /dev/null
@@ -1,78 +0,0 @@
-#ifndef __LIBSRP_H__
-#define __LIBSRP_H__
-
-#include <linux/list.h>
-#include <linux/kfifo.h>
-#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_host.h>
-#include <scsi/srp.h>
-
-enum iue_flags {
-	V_DIOVER,
-	V_WRITE,
-	V_LINKED,
-	V_FLYING,
-};
-
-struct srp_buf {
-	dma_addr_t dma;
-	void *buf;
-};
-
-struct srp_queue {
-	void *pool;
-	void *items;
-	struct kfifo queue;
-	spinlock_t lock;
-};
-
-struct srp_target {
-	struct Scsi_Host *shost;
-	struct device *dev;
-
-	spinlock_t lock;
-	struct list_head cmd_queue;
-
-	size_t srp_iu_size;
-	struct srp_queue iu_queue;
-	size_t rx_ring_size;
-	struct srp_buf **rx_ring;
-
-	void *ldata;
-};
-
-struct iu_entry {
-	struct srp_target *target;
-
-	struct list_head ilist;
-	dma_addr_t remote_token;
-	unsigned long flags;
-
-	struct srp_buf *sbuf;
-};
-
-typedef int (srp_rdma_t)(struct scsi_cmnd *, struct scatterlist *, int,
-			 struct srp_direct_buf *, int,
-			 enum dma_data_direction, unsigned int);
-extern int srp_target_alloc(struct srp_target *, struct device *, size_t, size_t);
-extern void srp_target_free(struct srp_target *);
-
-extern struct iu_entry *srp_iu_get(struct srp_target *);
-extern void srp_iu_put(struct iu_entry *);
-
-extern int srp_cmd_queue(struct Scsi_Host *, struct srp_cmd *, void *, u64, u64);
-extern int srp_transfer_data(struct scsi_cmnd *, struct srp_cmd *,
-			     srp_rdma_t, int, int);
-
-
-static inline struct srp_target *host_to_srp_target(struct Scsi_Host *host)
-{
-	return (struct srp_target *) host->hostdata;
-}
-
-static inline int srp_cmd_direction(struct srp_cmd *cmd)
-{
-	return (cmd->buf_fmt >> 4) ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
-}
-
-#endif