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-rw-r--r--include/scsi/fc_frame.h1
-rw-r--r--include/scsi/iscsi_proto.h78
-rw-r--r--include/scsi/libfc.h8
-rw-r--r--include/scsi/libiscsi.h2
-rw-r--r--include/scsi/osd_initiator.h2
-rw-r--r--include/scsi/scsi.h2
-rw-r--r--include/scsi/scsi_device.h2
7 files changed, 73 insertions, 22 deletions
diff --git a/include/scsi/fc_frame.h b/include/scsi/fc_frame.h
index 4ad02041b667..8225d8063ec4 100644
--- a/include/scsi/fc_frame.h
+++ b/include/scsi/fc_frame.h
@@ -78,7 +78,6 @@ struct fc_frame {
};
struct fcoe_rcv_info {
- struct packet_type *ptype;
struct fc_lport *fr_dev; /* transport layer private pointer */
struct fc_seq *fr_seq; /* for use with exchange manager */
struct fc_fcp_pkt *fr_fsp; /* for the corresponding fcp I/O */
diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index dd0a52cea95a..988ba06b3ad6 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -29,10 +29,40 @@
/* default iSCSI listen port for incoming connections */
#define ISCSI_LISTEN_PORT 3260
+/* iSCSI header length */
+#define ISCSI_HDR_LEN 48
+
+/* iSCSI CRC32C length */
+#define ISCSI_CRC_LEN 4
+
/* Padding word length */
#define ISCSI_PAD_LEN 4
/*
+ * Serial Number Arithmetic, 32 bits, RFC1982
+ */
+
+static inline int iscsi_sna_lt(u32 n1, u32 n2)
+{
+ return (s32)(n1 - n2) < 0;
+}
+
+static inline int iscsi_sna_lte(u32 n1, u32 n2)
+{
+ return (s32)(n1 - n2) <= 0;
+}
+
+static inline int iscsi_sna_gt(u32 n1, u32 n2)
+{
+ return (s32)(n1 - n2) > 0;
+}
+
+static inline int iscsi_sna_gte(u32 n1, u32 n2)
+{
+ return (s32)(n1 - n2) >= 0;
+}
+
+/*
* useful common(control and data pathes) macro
*/
#define ntoh24(p) (((p)[0] << 16) | ((p)[1] << 8) | ((p)[2]))
@@ -60,7 +90,7 @@ struct iscsi_hdr {
uint8_t rsvd2[2];
uint8_t hlength; /* AHSs total length */
uint8_t dlength[3]; /* Data length */
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag, opaque for target */
__be32 ttt; /* Target Task Tag */
__be32 statsn;
@@ -116,13 +146,13 @@ struct iscsi_ahs_hdr {
#define ISCSI_CDB_SIZE 16
/* iSCSI PDU Header */
-struct iscsi_cmd {
+struct iscsi_scsi_req {
uint8_t opcode;
uint8_t flags;
__be16 rsvd2;
uint8_t hlength;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */
__be32 data_length;
__be32 cmdsn;
@@ -161,7 +191,7 @@ struct iscsi_ecdb_ahdr {
};
/* SCSI Response Header */
-struct iscsi_cmd_rsp {
+struct iscsi_scsi_rsp {
uint8_t opcode;
uint8_t flags;
uint8_t response;
@@ -198,7 +228,7 @@ struct iscsi_async {
uint8_t rsvd2[2];
uint8_t rsvd3;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
uint8_t rsvd4[8];
__be32 statsn;
__be32 exp_cmdsn;
@@ -226,7 +256,7 @@ struct iscsi_nopout {
__be16 rsvd2;
uint8_t rsvd3;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */
__be32 cmdsn;
@@ -241,7 +271,7 @@ struct iscsi_nopin {
__be16 rsvd2;
uint8_t rsvd3;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */
__be32 statsn;
@@ -257,7 +287,7 @@ struct iscsi_tm {
uint8_t rsvd1[2];
uint8_t hlength;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */
itt_t rtt; /* Reference Task Tag */
__be32 cmdsn;
@@ -315,7 +345,7 @@ struct iscsi_r2t_rsp {
uint8_t rsvd2[2];
uint8_t hlength;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */
__be32 statsn;
@@ -333,7 +363,7 @@ struct iscsi_data {
uint8_t rsvd2[2];
uint8_t rsvd3;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt;
__be32 ttt;
__be32 rsvd4;
@@ -353,7 +383,7 @@ struct iscsi_data_rsp {
uint8_t cmd_status;
uint8_t hlength;
uint8_t dlength[3];
- uint8_t lun[8];
+ struct scsi_lun lun;
itt_t itt;
__be32 ttt;
__be32 statsn;
@@ -406,7 +436,7 @@ struct iscsi_text_rsp {
};
/* Login Header */
-struct iscsi_login {
+struct iscsi_login_req {
uint8_t opcode;
uint8_t flags;
uint8_t max_version; /* Max. version supported */
@@ -427,7 +457,13 @@ struct iscsi_login {
#define ISCSI_FLAG_LOGIN_TRANSIT 0x80
#define ISCSI_FLAG_LOGIN_CONTINUE 0x40
#define ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK 0x0C /* 2 bits */
+#define ISCSI_FLAG_LOGIN_CURRENT_STAGE1 0x04
+#define ISCSI_FLAG_LOGIN_CURRENT_STAGE2 0x08
+#define ISCSI_FLAG_LOGIN_CURRENT_STAGE3 0x0C
#define ISCSI_FLAG_LOGIN_NEXT_STAGE_MASK 0x03 /* 2 bits */
+#define ISCSI_FLAG_LOGIN_NEXT_STAGE1 0x01
+#define ISCSI_FLAG_LOGIN_NEXT_STAGE2 0x02
+#define ISCSI_FLAG_LOGIN_NEXT_STAGE3 0x03
#define ISCSI_LOGIN_CURRENT_STAGE(flags) \
((flags & ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK) >> 2)
@@ -550,17 +586,25 @@ struct iscsi_logout_rsp {
struct iscsi_snack {
uint8_t opcode;
uint8_t flags;
- uint8_t rsvd2[14];
+ uint8_t rsvd2[2];
+ uint8_t hlength;
+ uint8_t dlength[3];
+ uint8_t lun[8];
itt_t itt;
+ __be32 ttt;
+ uint8_t rsvd3[4];
+ __be32 exp_statsn;
+ uint8_t rsvd4[8];
__be32 begrun;
__be32 runlength;
- __be32 exp_statsn;
- __be32 rsvd3;
- __be32 exp_datasn;
- uint8_t rsvd6[8];
};
/* SNACK PDU flags */
+#define ISCSI_FLAG_SNACK_TYPE_DATA 0
+#define ISCSI_FLAG_SNACK_TYPE_R2T 0
+#define ISCSI_FLAG_SNACK_TYPE_STATUS 1
+#define ISCSI_FLAG_SNACK_TYPE_DATA_ACK 2
+#define ISCSI_FLAG_SNACK_TYPE_RDATA 3
#define ISCSI_FLAG_SNACK_TYPE_MASK 0x0F /* 4 bits */
/* Reject Message Header */
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index a3cbda4ddb5c..7d96829b0c00 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -511,6 +511,14 @@ struct libfc_function_template {
*/
int (*ddp_done)(struct fc_lport *, u16);
/*
+ * Sets up the DDP context for a given exchange id on the given
+ * scatterlist if LLD supports DDP for FCoE target.
+ *
+ * STATUS: OPTIONAL
+ */
+ int (*ddp_target)(struct fc_lport *, u16, struct scatterlist *,
+ unsigned int);
+ /*
* Allow LLD to fill its own Link Error Status Block
*
* STATUS: OPTIONAL
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 0f4367751b71..cedcff371c88 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -115,7 +115,7 @@ struct iscsi_task {
/* copied values in case we need to send tmfs */
itt_t hdr_itt;
__be32 cmdsn;
- uint8_t lun[8];
+ struct scsi_lun lun;
int itt; /* this ITT */
diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
index 0a5079974fe9..572fb5493661 100644
--- a/include/scsi/osd_initiator.h
+++ b/include/scsi/osd_initiator.h
@@ -262,7 +262,7 @@ int osd_execute_request_async(struct osd_request *or,
* osd_req_decode_sense_full - Decode sense information after execution.
*
* @or: - osd_request to examine
- * @osi - Recievs a more detailed error report information (optional).
+ * @osi - Receives a more detailed error report information (optional).
* @silent - Do not print to dmsg (Even if enabled)
* @bad_obj_list - Some commands act on multiple objects. Failed objects will
* be received here (optional)
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 3668903e397b..8001ae4cd7ba 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -495,7 +495,7 @@ static inline int scsi_is_wlun(unsigned int lun)
#define sense_class(sense) (((sense) >> 4) & 0x7)
#define sense_error(sense) ((sense) & 0xf)
-#define sense_valid(sense) ((sense) & 0x80);
+#define sense_valid(sense) ((sense) & 0x80)
/*
* default timeouts
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index dd82e02ddde3..d371c3ca90c3 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -7,7 +7,7 @@
#include <linux/workqueue.h>
#include <linux/blkdev.h>
#include <scsi/scsi.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
struct request_queue;
struct scsi_cmnd;