summaryrefslogtreecommitdiffstats
path: root/drivers/fc4/fcp.h
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>1998-03-17 22:05:47 +0000
committerRalf Baechle <ralf@linux-mips.org>1998-03-17 22:05:47 +0000
commit27cfca1ec98e91261b1a5355d10a8996464b63af (patch)
tree8e895a53e372fa682b4c0a585b9377d67ed70d0e /drivers/fc4/fcp.h
parent6a76fb7214c477ccf6582bd79c5b4ccc4f9c41b1 (diff)
Look Ma' what I found on my harddisk ...
o New faster syscalls for 2.1.x, too o Upgrade to 2.1.89. Don't try to run this. It's flaky as hell. But feel free to debug ...
Diffstat (limited to 'drivers/fc4/fcp.h')
-rw-r--r--drivers/fc4/fcp.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/fc4/fcp.h b/drivers/fc4/fcp.h
new file mode 100644
index 000000000..6aa34a7a4
--- /dev/null
+++ b/drivers/fc4/fcp.h
@@ -0,0 +1,94 @@
+/* fcp.h: Definitions for Fibre Channel Protocol.
+ *
+ * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ *
+ */
+
+#ifndef __FCP_H
+#define __FCP_H
+
+/* FCP addressing is hierarchical with up to 4 layers, MS first.
+ Exact meaning of the addresses is up to the vendor */
+
+/* fcp_cntl field */
+#define FCP_CNTL_WRITE 0x00000001 /* Initiator write */
+#define FCP_CNTL_READ 0x00000002 /* Initiator read */
+#define FCP_CNTL_ABORT_TSK 0x00000200 /* Abort task set */
+#define FCP_CNTL_CLR_TASK 0x00000400 /* Clear task set */
+#define FCP_CNTL_RESET 0x00002000 /* Reset */
+#define FCP_CNTL_CLR_ACA 0x00004000 /* Clear ACA */
+#define FCP_CNTL_KILL_TASK 0x00008000 /* Terminate task */
+#define FCP_CNTL_QTYPE_MASK 0x00070000 /* Tagged queueing type */
+#define FCP_CNTL_QTYPE_SIMPLE 0x00000000
+#define FCP_CNTL_QTYPE_HEAD_OF_Q 0x00010000
+#define FCP_CNTL_QTYPE_ORDERED 0x00020000
+#define FCP_CNTL_QTYPE_ACA_Q_TAG 0x00040000
+#define FCP_CNTL_QTYPE_UNTAGGED 0x00050000
+
+typedef struct {
+ u16 fcp_addr[4];
+ u32 fcp_cntl;
+ u8 fcp_cdb[16];
+ u32 fcp_data_len;
+} fcp_cmd;
+
+/* fcp_status field */
+#define FCP_STATUS_MASK 0x000000ff /* scsi status of command */
+#define FCP_STATUS_RSP_LEN 0x00000100 /* response_len != 0 */
+#define FCP_STATUS_SENSE_LEN 0x00000200 /* sense_len != 0 */
+#define FCP_STATUS_RESID 0x00000400 /* resid != 0 */
+
+typedef struct {
+ u32 xxx[2];
+ u32 fcp_status;
+ u32 fcp_resid;
+ u32 fcp_sense_len;
+ u32 fcp_response_len;
+ /* u8 fcp_sense[fcp_sense_len]; */
+ /* u8 fcp_response[fcp_response_len]; */
+} fcp_rsp;
+
+/* fcp errors */
+
+/* rsp_info_type field */
+#define FCP_RSP_SCSI_BUS_ERR 0x01
+#define FCP_RSP_SCSI_PORT_ERR 0x02
+#define FCP_RSP_CARD_ERR 0x03
+
+/* isp_status field */
+#define FCP_RSP_CMD_COMPLETE 0x0000
+#define FCP_RSP_CMD_INCOMPLETE 0x0001
+#define FCP_RSP_CMD_DMA_ERR 0x0002
+#define FCP_RSP_CMD_TRAN_ERR 0x0003
+#define FCP_RSP_CMD_RESET 0x0004
+#define FCP_RSP_CMD_ABORTED 0x0005
+#define FCP_RSP_CMD_TIMEOUT 0x0006
+#define FCP_RSP_CMD_OVERRUN 0x0007
+
+/* isp_state_flags field */
+#define FCP_RSP_ST_GOT_BUS 0x0100
+#define FCP_RSP_ST_GOT_TARGET 0x0200
+#define FCP_RSP_ST_SENT_CMD 0x0400
+#define FCP_RSP_ST_XFRD_DATA 0x0800
+#define FCP_RSP_ST_GOT_STATUS 0x1000
+#define FCP_RSP_ST_GOT_SENSE 0x2000
+
+/* isp_stat_flags field */
+#define FCP_RSP_STAT_DISC 0x0001
+#define FCP_RSP_STAT_SYNC 0x0002
+#define FCP_RSP_STAT_PERR 0x0004
+#define FCP_RSP_STAT_BUS_RESET 0x0008
+#define FCP_RSP_STAT_DEV_RESET 0x0010
+#define FCP_RSP_STAT_ABORTED 0x0020
+#define FCP_RSP_STAT_TIMEOUT 0x0040
+#define FCP_RSP_STAT_NEGOTIATE 0x0080
+
+typedef struct {
+ u8 rsp_info_type;
+ u8 xxx;
+ u16 isp_status;
+ u16 isp_state_flags;
+ u16 isp_stat_flags;
+} fcp_scsi_err;
+
+#endif /* !(__FCP_H) */