[SCSI] libiscsi, iscsi_tcp: add device support
This patch adds logical unit reset support. This should work for ib_iser,
but I have not finished testing that driver so it is not hooked in yet.
This patch also temporarily reverts the iscsi_tcp r2t write out patch.
That code is completely rewritten in this patchset.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h
index 68c36cc..7eba44d 100644
--- a/drivers/scsi/iscsi_tcp.h
+++ b/drivers/scsi/iscsi_tcp.h
@@ -32,21 +32,21 @@
#define IN_PROGRESS_PAD_RECV 0x4
/* xmit state machine */
-#define XMSTATE_VALUE_IDLE 0
-#define XMSTATE_BIT_CMD_HDR_INIT 0
-#define XMSTATE_BIT_CMD_HDR_XMIT 1
-#define XMSTATE_BIT_IMM_HDR 2
-#define XMSTATE_BIT_IMM_DATA 3
-#define XMSTATE_BIT_UNS_INIT 4
-#define XMSTATE_BIT_UNS_HDR 5
-#define XMSTATE_BIT_UNS_DATA 6
-#define XMSTATE_BIT_SOL_HDR 7
-#define XMSTATE_BIT_SOL_DATA 8
-#define XMSTATE_BIT_W_PAD 9
-#define XMSTATE_BIT_W_RESEND_PAD 10
-#define XMSTATE_BIT_W_RESEND_DATA_DIGEST 11
-#define XMSTATE_BIT_IMM_HDR_INIT 12
-#define XMSTATE_BIT_SOL_HDR_INIT 13
+#define XMSTATE_IDLE 0x0
+#define XMSTATE_CMD_HDR_INIT 0x1
+#define XMSTATE_CMD_HDR_XMIT 0x2
+#define XMSTATE_IMM_HDR 0x4
+#define XMSTATE_IMM_DATA 0x8
+#define XMSTATE_UNS_INIT 0x10
+#define XMSTATE_UNS_HDR 0x20
+#define XMSTATE_UNS_DATA 0x40
+#define XMSTATE_SOL_HDR 0x80
+#define XMSTATE_SOL_DATA 0x100
+#define XMSTATE_W_PAD 0x200
+#define XMSTATE_W_RESEND_PAD 0x400
+#define XMSTATE_W_RESEND_DATA_DIGEST 0x800
+#define XMSTATE_IMM_HDR_INIT 0x1000
+#define XMSTATE_SOL_HDR_INIT 0x2000
#define ISCSI_PAD_LEN 4
#define ISCSI_SG_TABLESIZE SG_ALL
@@ -122,7 +122,7 @@
struct iscsi_tcp_mgmt_task {
struct iscsi_hdr hdr;
char hdrext[sizeof(__u32)]; /* Header-Digest */
- unsigned long xmstate; /* mgmt xmit progress */
+ int xmstate; /* mgmt xmit progress */
struct iscsi_buf headbuf; /* header buffer */
struct iscsi_buf sendbuf; /* in progress buffer */
int sent;
@@ -150,7 +150,7 @@
int pad_count; /* padded bytes */
struct iscsi_buf headbuf; /* header buf (xmit) */
struct iscsi_buf sendbuf; /* in progress buffer*/
- unsigned long xmstate; /* xmit xtate machine */
+ int xmstate; /* xmit xtate machine */
int sent;
struct scatterlist *sg; /* per-cmd SG list */
struct scatterlist *bad_sg; /* assert statement */