X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Flpfc%2Flpfc_scsi.h;h=4aafba47628d3c022042a155a2a175874434f137;hb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;hp=12412c28394a63c1dc9f6fa5c8407f6be86eb916;hpb=e3f6fb6212a7102bdb56ba38fa1e98fe72950475;p=linux-2.6.git

diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
index 12412c283..4aafba476 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.h
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -19,42 +19,109 @@
  *******************************************************************/
 
 /*
- * $Id: lpfc_scsi.h 1.68 2004/11/10 11:40:43EST sf_support Exp  $
+ * $Id: lpfc_scsi.h 1.83 2005/04/07 08:47:43EDT sf_support Exp  $
  */
 
-#ifndef _H_LPFC_SCSI
-#define _H_LPFC_SCSI
-
-#include "lpfc_disc.h"
-#include "lpfc_mem.h"
-#include "lpfc_sli.h"
-
 struct lpfc_hba;
 
+#define list_remove_head(list, entry, type, member)		\
+	if (!list_empty(list)) {				\
+		entry = list_entry((list)->next, type, member);	\
+		list_del_init(&entry->member);			\
+	}
 
-struct lpfc_target {
+#define list_get_first(list, type, member)			\
+	(list_empty(list)) ? NULL :				\
+	list_entry((list)->next, type, member)
+
+/* per-port data that is allocated in the FC transport for us */
+struct lpfc_rport_data {
 	struct lpfc_nodelist *pnode;	/* Pointer to the node structure. */
-	uint16_t  scsi_id;
-	uint32_t  qcmdcnt;
-	uint32_t  iodonecnt;
-	uint32_t  errorcnt;
-	uint32_t  slavecnt;
-#if defined(FC_TRANS_VER1) || defined(FC_TRANS_265_BLKPATCH)
-	uint16_t  blocked;
-#endif
-#ifdef FC_TRANS_VER1
-	struct scsi_target *starget;		/* Pointer to midlayer target
-						   structure. */
-#endif
-#if defined(FC_TRANS_265_BLKPATCH)
-	struct timer_list dev_loss_timer;
+};
+
+struct fcp_rsp {
+	uint32_t rspRsvd1;	/* FC Word 0, byte 0:3 */
+	uint32_t rspRsvd2;	/* FC Word 1, byte 0:3 */
+
+	uint8_t rspStatus0;	/* FCP_STATUS byte 0 (reserved) */
+	uint8_t rspStatus1;	/* FCP_STATUS byte 1 (reserved) */
+	uint8_t rspStatus2;	/* FCP_STATUS byte 2 field validity */
+#define RSP_LEN_VALID  0x01	/* bit 0 */
+#define SNS_LEN_VALID  0x02	/* bit 1 */
+#define RESID_OVER     0x04	/* bit 2 */
+#define RESID_UNDER    0x08	/* bit 3 */
+	uint8_t rspStatus3;	/* FCP_STATUS byte 3 SCSI status byte */
+
+	uint32_t rspResId;	/* Residual xfer if residual count field set in
+				   fcpStatus2 */
+	/* Received in Big Endian format */
+	uint32_t rspSnsLen;	/* Length of sense data in fcpSnsInfo */
+	/* Received in Big Endian format */
+	uint32_t rspRspLen;	/* Length of FCP response data in fcpRspInfo */
+	/* Received in Big Endian format */
+
+	uint8_t rspInfo0;	/* FCP_RSP_INFO byte 0 (reserved) */
+	uint8_t rspInfo1;	/* FCP_RSP_INFO byte 1 (reserved) */
+	uint8_t rspInfo2;	/* FCP_RSP_INFO byte 2 (reserved) */
+	uint8_t rspInfo3;	/* FCP_RSP_INFO RSP_CODE byte 3 */
+
+#define RSP_NO_FAILURE       0x00
+#define RSP_DATA_BURST_ERR   0x01
+#define RSP_CMD_FIELD_ERR    0x02
+#define RSP_RO_MISMATCH_ERR  0x03
+#define RSP_TM_NOT_SUPPORTED 0x04	/* Task mgmt function not supported */
+#define RSP_TM_NOT_COMPLETED 0x05	/* Task mgmt function not performed */
+
+	uint32_t rspInfoRsvd;	/* FCP_RSP_INFO bytes 4-7 (reserved) */
+
+	uint8_t rspSnsInfo[128];
+#define SNS_ILLEGAL_REQ 0x05	/* sense key is byte 3 ([2]) */
+#define SNSCOD_BADCMD 0x20	/* sense code is byte 13 ([12]) */
+};
+
+struct fcp_cmnd {
+	uint32_t fcpLunMsl;	/* most  significant lun word (32 bits) */
+	uint32_t fcpLunLsl;	/* least significant lun word (32 bits) */
+	/* # of bits to shift lun id to end up in right
+	 * payload word, little endian = 8, big = 16.
+	 */
+#if __BIG_ENDIAN
+#define FC_LUN_SHIFT         16
+#define FC_ADDR_MODE_SHIFT   24
+#else	/*  __LITTLE_ENDIAN */
+#define FC_LUN_SHIFT         8
+#define FC_ADDR_MODE_SHIFT   0
 #endif
+
+	uint8_t fcpCntl0;	/* FCP_CNTL byte 0 (reserved) */
+	uint8_t fcpCntl1;	/* FCP_CNTL byte 1 task codes */
+#define  SIMPLE_Q        0x00
+#define  HEAD_OF_Q       0x01
+#define  ORDERED_Q       0x02
+#define  ACA_Q           0x04
+#define  UNTAGGED        0x05
+	uint8_t fcpCntl2;	/* FCP_CTL byte 2 task management codes */
+#define  FCP_ABORT_TASK_SET  0x02	/* Bit 1 */
+#define  FCP_CLEAR_TASK_SET  0x04	/* bit 2 */
+#define  FCP_BUS_RESET       0x08	/* bit 3 */
+#define  FCP_LUN_RESET       0x10	/* bit 4 */
+#define  FCP_TARGET_RESET    0x20	/* bit 5 */
+#define  FCP_CLEAR_ACA       0x40	/* bit 6 */
+#define  FCP_TERMINATE_TASK  0x80	/* bit 7 */
+	uint8_t fcpCntl3;
+#define  WRITE_DATA      0x01	/* Bit 0 */
+#define  READ_DATA       0x02	/* Bit 1 */
+
+	uint8_t fcpCdb[16];	/* SRB cdb field is copied here */
+	uint32_t fcpDl;		/* Total transfer length */
+
 };
 
 struct lpfc_scsi_buf {
+	struct list_head list;
 	struct scsi_cmnd *pCmd;
 	struct lpfc_hba *scsi_hba;
-	struct lpfc_target *target;
+	struct lpfc_rport_data *rdata;
 
 	uint32_t timeout;
 
@@ -66,12 +133,14 @@ struct lpfc_scsi_buf {
 				 * to dma_unmap_sg. */
 	dma_addr_t nonsg_phys;	/* Non scatter-gather physical address. */
 
-	/* dma_ext has both virt, phys to dma-able buffer
-	 * which contains fcp_cmd, fcp_rsp and scatter gather list fro upto
-	 * 68 (LPFC_SCSI_BPL_SIZE) BDE entries,
-	 * xfer length, cdb, data direction....
+	/*
+	 * data and dma_handle are the kernel virutal and bus address of the
+	 * dma-able buffer containing the fcp_cmd, fcp_rsp and a scatter
+	 * gather bde list that supports the sg_tablesize value.
 	 */
-	struct lpfc_dmabuf dma_ext;
+	void *data;
+	dma_addr_t dma_handle;
+
 	struct fcp_cmnd *fcp_cmnd;
 	struct fcp_rsp *fcp_rsp;
 	struct ulp_bde64 *fcp_bpl;
@@ -82,11 +151,7 @@ struct lpfc_scsi_buf {
 	struct lpfc_iocbq cur_iocbq;
 };
 
-#define LPFC_SCSI_INITIAL_BPL_SIZE  4	/* Number of scsi buf BDEs in fcp_bpl */
-
 #define LPFC_SCSI_DMA_EXT_SIZE 264
 #define LPFC_BPL_SIZE          1024
 
 #define MDAC_DIRECT_CMD                  0x22
-
-#endif				/* _H_LPFC_SCSI */