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author <jejb@titanic.il.steeleye.com>2005-04-17 16:05:31 -0500
committerJames Bottomley <jejb@titanic>2005-04-18 13:50:53 -0500
commitdea3101e0a5c897d2c9351a7444e139db9f40247 (patch)
tree61de19e98eed08bb760703b362eab2038c34f261 /drivers/scsi/lpfc/lpfc_scsi.h
parent8e8790415e91964096f862a58cacb55d2bc9a817 (diff)
lpfc: add Emulex FC driver version 8.0.28
From: James.Smart@Emulex.Com Modified for kernel import and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.h')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.h157
1 files changed, 157 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
new file mode 100644
index 00000000000..4aafba47628
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -0,0 +1,157 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Enterprise Fibre Channel Host Bus Adapters. *
+ * Refer to the README file included with this package for *
+ * driver version and adapter support. *
+ * Copyright (C) 2004 Emulex Corporation. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 2 *
+ * of the License, or (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details, a copy of which *
+ * can be found in the file COPYING included with this package. *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc_scsi.h 1.83 2005/04/07 08:47:43EDT sf_support Exp $
+ */
+
+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); \
+ }
+
+#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. */
+};
+
+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_rport_data *rdata;
+
+ uint32_t timeout;
+
+ uint16_t status; /* From IOCB Word 7- ulpStatus */
+ uint32_t result; /* From IOCB Word 4. */
+
+ uint32_t seg_cnt; /* Number of scatter-gather segments returned by
+ * dma_map_sg. The driver needs this for calls
+ * to dma_unmap_sg. */
+ dma_addr_t nonsg_phys; /* Non scatter-gather physical address. */
+
+ /*
+ * 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.
+ */
+ void *data;
+ dma_addr_t dma_handle;
+
+ struct fcp_cmnd *fcp_cmnd;
+ struct fcp_rsp *fcp_rsp;
+ struct ulp_bde64 *fcp_bpl;
+
+ /* cur_iocbq has phys of the dma-able buffer.
+ * Iotag is in here
+ */
+ struct lpfc_iocbq cur_iocbq;
+};
+
+#define LPFC_SCSI_DMA_EXT_SIZE 264
+#define LPFC_BPL_SIZE 1024
+
+#define MDAC_DIRECT_CMD 0x22