[SCSI] Initial Commit of qla4xxx

open-iSCSI driver for Qlogic Corporation's iSCSI HBAs

Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: Doug Maxey <dwm@bubba.enoyolf.org>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 843 insertions, 0 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
new file mode 100644
index 000000000000..427489de64bc
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -0,0 +1,843 @@
+/*
+ * QLogic iSCSI HBA Driver
+ * Copyright (c)  2003-2006 QLogic Corporation
+ *
+ * See LICENSE.qla4xxx for copyright and licensing details.
+ */
+
+#ifndef _QLA4X_FW_H
+#define _QLA4X_FW_H
+
+
+#define MAX_PRST_DEV_DB_ENTRIES		64
+#define MIN_DISC_DEV_DB_ENTRY		MAX_PRST_DEV_DB_ENTRIES
+#define MAX_DEV_DB_ENTRIES 512
+
+/*************************************************************************
+ *
+ *		ISP 4010 I/O Register Set Structure and Definitions
+ *
+ *************************************************************************/
+
+struct port_ctrl_stat_regs {
+	__le32 ext_hw_conf;	/*  80 x50  R/W */
+	__le32 intChipConfiguration; /*	 84 x54 */
+	__le32 port_ctrl;	/*  88 x58 */
+	__le32 port_status;	/*  92 x5c */
+	__le32 HostPrimMACHi;	/*  96 x60 */
+	__le32 HostPrimMACLow;	/* 100 x64 */
+	__le32 HostSecMACHi;	/* 104 x68 */
+	__le32 HostSecMACLow;	/* 108 x6c */
+	__le32 EPPrimMACHi;	/* 112 x70 */
+	__le32 EPPrimMACLow;	/* 116 x74 */
+	__le32 EPSecMACHi;	/* 120 x78 */
+	__le32 EPSecMACLow;	/* 124 x7c */
+	__le32 HostPrimIPHi;	/* 128 x80 */
+	__le32 HostPrimIPMidHi; /* 132 x84 */
+	__le32 HostPrimIPMidLow;	/* 136 x88 */
+	__le32 HostPrimIPLow;	/* 140 x8c */
+	__le32 HostSecIPHi;	/* 144 x90 */
+	__le32 HostSecIPMidHi;	/* 148 x94 */
+	__le32 HostSecIPMidLow; /* 152 x98 */
+	__le32 HostSecIPLow;	/* 156 x9c */
+	__le32 EPPrimIPHi;	/* 160 xa0 */
+	__le32 EPPrimIPMidHi;	/* 164 xa4 */
+	__le32 EPPrimIPMidLow;	/* 168 xa8 */
+	__le32 EPPrimIPLow;	/* 172 xac */
+	__le32 EPSecIPHi;	/* 176 xb0 */
+	__le32 EPSecIPMidHi;	/* 180 xb4 */
+	__le32 EPSecIPMidLow;	/* 184 xb8 */
+	__le32 EPSecIPLow;	/* 188 xbc */
+	__le32 IPReassemblyTimeout; /* 192 xc0 */
+	__le32 EthMaxFramePayload; /* 196 xc4 */
+	__le32 TCPMaxWindowSize; /* 200 xc8 */
+	__le32 TCPCurrentTimestampHi; /* 204 xcc */
+	__le32 TCPCurrentTimestampLow; /* 208 xd0 */
+	__le32 LocalRAMAddress; /* 212 xd4 */
+	__le32 LocalRAMData;	/* 216 xd8 */
+	__le32 PCSReserved1;	/* 220 xdc */
+	__le32 gp_out;		/* 224 xe0 */
+	__le32 gp_in;		/* 228 xe4 */
+	__le32 ProbeMuxAddr;	/* 232 xe8 */
+	__le32 ProbeMuxData;	/* 236 xec */
+	__le32 ERMQueueBaseAddr0; /* 240 xf0 */
+	__le32 ERMQueueBaseAddr1; /* 244 xf4 */
+	__le32 MACConfiguration; /* 248 xf8 */
+	__le32 port_err_status; /* 252 xfc  COR */
+};
+
+struct host_mem_cfg_regs {
+	__le32 NetRequestQueueOut; /*  80 x50 */
+	__le32 NetRequestQueueOutAddrHi; /*  84 x54 */
+	__le32 NetRequestQueueOutAddrLow; /*  88 x58 */
+	__le32 NetRequestQueueBaseAddrHi; /*  92 x5c */
+	__le32 NetRequestQueueBaseAddrLow; /*  96 x60 */
+	__le32 NetRequestQueueLength; /* 100 x64 */
+	__le32 NetResponseQueueIn; /* 104 x68 */
+	__le32 NetResponseQueueInAddrHi; /* 108 x6c */
+	__le32 NetResponseQueueInAddrLow; /* 112 x70 */
+	__le32 NetResponseQueueBaseAddrHi; /* 116 x74 */
+	__le32 NetResponseQueueBaseAddrLow; /* 120 x78 */
+	__le32 NetResponseQueueLength; /* 124 x7c */
+	__le32 req_q_out;	/* 128 x80 */
+	__le32 RequestQueueOutAddrHi; /* 132 x84 */
+	__le32 RequestQueueOutAddrLow; /* 136 x88 */
+	__le32 RequestQueueBaseAddrHi; /* 140 x8c */
+	__le32 RequestQueueBaseAddrLow; /* 144 x90 */
+	__le32 RequestQueueLength; /* 148 x94 */
+	__le32 ResponseQueueIn; /* 152 x98 */
+	__le32 ResponseQueueInAddrHi; /* 156 x9c */
+	__le32 ResponseQueueInAddrLow; /* 160 xa0 */
+	__le32 ResponseQueueBaseAddrHi; /* 164 xa4 */
+	__le32 ResponseQueueBaseAddrLow; /* 168 xa8 */
+	__le32 ResponseQueueLength; /* 172 xac */
+	__le32 NetRxLargeBufferQueueOut; /* 176 xb0 */
+	__le32 NetRxLargeBufferQueueBaseAddrHi; /* 180 xb4 */
+	__le32 NetRxLargeBufferQueueBaseAddrLow; /* 184 xb8 */
+	__le32 NetRxLargeBufferQueueLength; /* 188 xbc */
+	__le32 NetRxLargeBufferLength; /* 192 xc0 */
+	__le32 NetRxSmallBufferQueueOut; /* 196 xc4 */
+	__le32 NetRxSmallBufferQueueBaseAddrHi; /* 200 xc8 */
+	__le32 NetRxSmallBufferQueueBaseAddrLow; /* 204 xcc */
+	__le32 NetRxSmallBufferQueueLength; /* 208 xd0 */
+	__le32 NetRxSmallBufferLength; /* 212 xd4 */
+	__le32 HMCReserved0[10]; /* 216 xd8 */
+};
+
+struct local_ram_cfg_regs {
+	__le32 BufletSize;	/*  80 x50 */
+	__le32 BufletMaxCount;	/*  84 x54 */
+	__le32 BufletCurrCount; /*  88 x58 */
+	__le32 BufletPauseThresholdCount; /*  92 x5c */
+	__le32 BufletTCPWinThresholdHi; /*  96 x60 */
+	__le32 BufletTCPWinThresholdLow; /* 100 x64 */
+	__le32 IPHashTableBaseAddr; /* 104 x68 */
+	__le32 IPHashTableSize; /* 108 x6c */
+	__le32 TCPHashTableBaseAddr; /* 112 x70 */
+	__le32 TCPHashTableSize; /* 116 x74 */
+	__le32 NCBAreaBaseAddr; /* 120 x78 */
+	__le32 NCBMaxCount;	/* 124 x7c */
+	__le32 NCBCurrCount;	/* 128 x80 */
+	__le32 DRBAreaBaseAddr; /* 132 x84 */
+	__le32 DRBMaxCount;	/* 136 x88 */
+	__le32 DRBCurrCount;	/* 140 x8c */
+	__le32 LRCReserved[28]; /* 144 x90 */
+};
+
+struct prot_stat_regs {
+	__le32 MACTxFrameCount; /*  80 x50   R */
+	__le32 MACTxByteCount;	/*  84 x54   R */
+	__le32 MACRxFrameCount; /*  88 x58   R */
+	__le32 MACRxByteCount;	/*  92 x5c   R */
+	__le32 MACCRCErrCount;	/*  96 x60   R */
+	__le32 MACEncErrCount;	/* 100 x64   R */
+	__le32 MACRxLengthErrCount; /* 104 x68	 R */
+	__le32 IPTxPacketCount; /* 108 x6c   R */
+	__le32 IPTxByteCount;	/* 112 x70   R */
+	__le32 IPTxFragmentCount; /* 116 x74   R */
+	__le32 IPRxPacketCount; /* 120 x78   R */
+	__le32 IPRxByteCount;	/* 124 x7c   R */
+	__le32 IPRxFragmentCount; /* 128 x80   R */
+	__le32 IPDatagramReassemblyCount; /* 132 x84   R */
+	__le32 IPV6RxPacketCount; /* 136 x88   R */
+	__le32 IPErrPacketCount; /* 140 x8c   R */
+	__le32 IPReassemblyErrCount; /* 144 x90	  R */
+	__le32 TCPTxSegmentCount; /* 148 x94   R */
+	__le32 TCPTxByteCount;	/* 152 x98   R */
+	__le32 TCPRxSegmentCount; /* 156 x9c   R */
+	__le32 TCPRxByteCount;	/* 160 xa0   R */
+	__le32 TCPTimerExpCount; /* 164 xa4   R */
+	__le32 TCPRxAckCount;	/* 168 xa8   R */
+	__le32 TCPTxAckCount;	/* 172 xac   R */
+	__le32 TCPRxErrOOOCount; /* 176 xb0   R */
+	__le32 PSReserved0;	/* 180 xb4 */
+	__le32 TCPRxWindowProbeUpdateCount; /* 184 xb8	 R */
+	__le32 ECCErrCorrectionCount; /* 188 xbc   R */
+	__le32 PSReserved1[16]; /* 192 xc0 */
+};
+
+
+/*  remote register set (access via PCI memory read/write) */
+struct isp_reg {
+#define MBOX_REG_COUNT 8
+	__le32 mailbox[MBOX_REG_COUNT];
+
+	__le32 flash_address;	/* 0x20 */
+	__le32 flash_data;
+	__le32 ctrl_status;
+
+	union {
+		struct {
+			__le32 nvram;
+			__le32 reserved1[2]; /* 0x30 */
+		} __attribute__ ((packed)) isp4010;
+		struct {
+			__le32 intr_mask;
+			__le32 nvram; /* 0x30 */
+			__le32 semaphore;
+		} __attribute__ ((packed)) isp4022;
+	} u1;
+
+	__le32 req_q_in;    /* SCSI Request Queue Producer Index */
+	__le32 rsp_q_out;   /* SCSI Completion Queue Consumer Index */
+
+	__le32 reserved2[4];	/* 0x40 */
+
+	union {
+		struct {
+			__le32 ext_hw_conf; /* 0x50 */
+			__le32 flow_ctrl;
+			__le32 port_ctrl;
+			__le32 port_status;
+
+			__le32 reserved3[8]; /* 0x60 */
+
+			__le32 req_q_out; /* 0x80 */
+
+			__le32 reserved4[23]; /* 0x84 */
+
+			__le32 gp_out; /* 0xe0 */
+			__le32 gp_in;
+
+			__le32 reserved5[5];
+
+			__le32 port_err_status; /* 0xfc */
+		} __attribute__ ((packed)) isp4010;
+		struct {
+			union {
+				struct port_ctrl_stat_regs p0;
+				struct host_mem_cfg_regs p1;
+				struct local_ram_cfg_regs p2;
+				struct prot_stat_regs p3;
+				__le32 r_union[44];
+			};
+
+		} __attribute__ ((packed)) isp4022;
+	} u2;
+};				/* 256 x100 */
+
+
+/* Semaphore Defines for 4010 */
+#define QL4010_DRVR_SEM_BITS	0x00000030
+#define QL4010_GPIO_SEM_BITS	0x000000c0
+#define QL4010_SDRAM_SEM_BITS	0x00000300
+#define QL4010_PHY_SEM_BITS	0x00000c00
+#define QL4010_NVRAM_SEM_BITS	0x00003000
+#define QL4010_FLASH_SEM_BITS	0x0000c000
+
+#define QL4010_DRVR_SEM_MASK	0x00300000
+#define QL4010_GPIO_SEM_MASK	0x00c00000
+#define QL4010_SDRAM_SEM_MASK	0x03000000
+#define QL4010_PHY_SEM_MASK	0x0c000000
+#define QL4010_NVRAM_SEM_MASK	0x30000000
+#define QL4010_FLASH_SEM_MASK	0xc0000000
+
+/* Semaphore Defines for 4022 */
+#define QL4022_RESOURCE_MASK_BASE_CODE 0x7
+#define QL4022_RESOURCE_BITS_BASE_CODE 0x4
+
+
+#define QL4022_DRVR_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (1+16))
+#define QL4022_DDR_RAM_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (4+16))
+#define QL4022_PHY_GIO_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (7+16))
+#define QL4022_NVRAM_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (10+16))
+#define QL4022_FLASH_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (13+16))
+
+
+
+/* Page # defines for 4022 */
+#define PORT_CTRL_STAT_PAGE			0	/* 4022 */
+#define HOST_MEM_CFG_PAGE			1	/* 4022 */
+#define LOCAL_RAM_CFG_PAGE			2	/* 4022 */
+#define PROT_STAT_PAGE				3	/* 4022 */
+
+/* Register Mask - sets corresponding mask bits in the upper word */
+static inline uint32_t set_rmask(uint32_t val)
+{
+	return (val & 0xffff) | (val << 16);
+}
+
+
+static inline uint32_t clr_rmask(uint32_t val)
+{
+	return 0 | (val << 16);
+}
+
+/*  ctrl_status definitions */
+#define CSR_SCSI_PAGE_SELECT			0x00000003
+#define CSR_SCSI_INTR_ENABLE			0x00000004	/* 4010 */
+#define CSR_SCSI_RESET_INTR			0x00000008
+#define CSR_SCSI_COMPLETION_INTR		0x00000010
+#define CSR_SCSI_PROCESSOR_INTR			0x00000020
+#define CSR_INTR_RISC				0x00000040
+#define CSR_BOOT_ENABLE				0x00000080
+#define CSR_NET_PAGE_SELECT			0x00000300	/* 4010 */
+#define CSR_FUNC_NUM				0x00000700	/* 4022 */
+#define CSR_NET_RESET_INTR			0x00000800	/* 4010 */
+#define CSR_FORCE_SOFT_RESET			0x00002000	/* 4022 */
+#define CSR_FATAL_ERROR				0x00004000
+#define CSR_SOFT_RESET				0x00008000
+#define ISP_CONTROL_FN_MASK			CSR_FUNC_NUM
+#define ISP_CONTROL_FN0_SCSI			0x0500
+#define ISP_CONTROL_FN1_SCSI			0x0700
+
+#define INTR_PENDING				(CSR_SCSI_COMPLETION_INTR |\
+						 CSR_SCSI_PROCESSOR_INTR |\
+						 CSR_SCSI_RESET_INTR)
+
+/* ISP InterruptMask definitions */
+#define IMR_SCSI_INTR_ENABLE			0x00000004	/* 4022 */
+
+/* ISP 4022 nvram definitions */
+#define NVR_WRITE_ENABLE			0x00000010	/* 4022 */
+
+/*  ISP port_status definitions */
+
+/*  ISP Semaphore definitions */
+
+/*  ISP General Purpose Output definitions */
+#define GPOR_TOPCAT_RESET			0x00000004
+
+/*  shadow registers (DMA'd from HA to system memory.  read only) */
+struct shadow_regs {
+	/* SCSI Request Queue Consumer Index */
+	__le32 req_q_out;	/*  0 x0   R */
+
+	/* SCSI Completion Queue Producer Index */
+	__le32 rsp_q_in;	/*  4 x4   R */
+};		  /*  8 x8 */
+
+
+/*  External hardware configuration register */
+union external_hw_config_reg {
+	struct {
+		/* FIXME: Do we even need this?	 All values are
+		 * referred to by 16 bit quantities.  Platform and
+		 * endianess issues. */
+		__le32 bReserved0:1;
+		__le32 bSDRAMProtectionMethod:2;
+		__le32 bSDRAMBanks:1;
+		__le32 bSDRAMChipWidth:1;
+		__le32 bSDRAMChipSize:2;
+		__le32 bParityDisable:1;
+		__le32 bExternalMemoryType:1;
+		__le32 bFlashBIOSWriteEnable:1;
+		__le32 bFlashUpperBankSelect:1;
+		__le32 bWriteBurst:2;
+		__le32 bReserved1:3;
+		__le32 bMask:16;
+	};
+	uint32_t Asuint32_t;
+};
+
+/*************************************************************************
+ *
+ *		Mailbox Commands Structures and Definitions
+ *
+ *************************************************************************/
+
+/*  Mailbox command definitions */
+#define MBOX_CMD_ABOUT_FW			0x0009
+#define MBOX_CMD_LUN_RESET			0x0016
+#define MBOX_CMD_GET_FW_STATUS			0x001F
+#define MBOX_CMD_SET_ISNS_SERVICE		0x0021
+#define ISNS_DISABLE				0
+#define ISNS_ENABLE				1
+#define MBOX_CMD_READ_FLASH			0x0026
+#define MBOX_CMD_CLEAR_DATABASE_ENTRY		0x0031
+#define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT		0x0056
+#define LOGOUT_OPTION_CLOSE_SESSION		0x01
+#define LOGOUT_OPTION_RELOGIN			0x02
+#define MBOX_CMD_EXECUTE_IOCB_A64		0x005A
+#define MBOX_CMD_INITIALIZE_FIRMWARE		0x0060
+#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK		0x0061
+#define MBOX_CMD_REQUEST_DATABASE_ENTRY		0x0062
+#define MBOX_CMD_SET_DATABASE_ENTRY		0x0063
+#define MBOX_CMD_GET_DATABASE_ENTRY		0x0064
+#define DDB_DS_UNASSIGNED			0x00
+#define DDB_DS_NO_CONNECTION_ACTIVE		0x01
+#define DDB_DS_SESSION_ACTIVE			0x04
+#define DDB_DS_SESSION_FAILED			0x06
+#define DDB_DS_LOGIN_IN_PROCESS			0x07
+#define MBOX_CMD_GET_FW_STATE			0x0069
+
+/* Mailbox 1 */
+#define FW_STATE_READY				0x0000
+#define FW_STATE_CONFIG_WAIT			0x0001
+#define FW_STATE_ERROR				0x0004
+#define FW_STATE_DHCP_IN_PROGRESS		0x0008
+
+/* Mailbox 3 */
+#define FW_ADDSTATE_OPTICAL_MEDIA		0x0001
+#define FW_ADDSTATE_DHCP_ENABLED		0x0002
+#define FW_ADDSTATE_LINK_UP			0x0010
+#define FW_ADDSTATE_ISNS_SVC_ENABLED		0x0020
+#define MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS	0x006B
+#define MBOX_CMD_CONN_OPEN_SESS_LOGIN		0x0074
+#define MBOX_CMD_GET_CRASH_RECORD		0x0076	/* 4010 only */
+#define MBOX_CMD_GET_CONN_EVENT_LOG		0x0077
+
+/*  Mailbox status definitions */
+#define MBOX_COMPLETION_STATUS			4
+#define MBOX_STS_BUSY				0x0007
+#define MBOX_STS_INTERMEDIATE_COMPLETION	0x1000
+#define MBOX_STS_COMMAND_COMPLETE		0x4000
+#define MBOX_STS_COMMAND_ERROR			0x4005
+
+#define MBOX_ASYNC_EVENT_STATUS			8
+#define MBOX_ASTS_SYSTEM_ERROR			0x8002
+#define MBOX_ASTS_REQUEST_TRANSFER_ERROR	0x8003
+#define MBOX_ASTS_RESPONSE_TRANSFER_ERROR	0x8004
+#define MBOX_ASTS_PROTOCOL_STATISTIC_ALARM	0x8005
+#define MBOX_ASTS_SCSI_COMMAND_PDU_REJECTED	0x8006
+#define MBOX_ASTS_LINK_UP			0x8010
+#define MBOX_ASTS_LINK_DOWN			0x8011
+#define MBOX_ASTS_DATABASE_CHANGED		0x8014
+#define MBOX_ASTS_UNSOLICITED_PDU_RECEIVED	0x8015
+#define MBOX_ASTS_SELF_TEST_FAILED		0x8016
+#define MBOX_ASTS_LOGIN_FAILED			0x8017
+#define MBOX_ASTS_DNS				0x8018
+#define MBOX_ASTS_HEARTBEAT			0x8019
+#define MBOX_ASTS_NVRAM_INVALID			0x801A
+#define MBOX_ASTS_MAC_ADDRESS_CHANGED		0x801B
+#define MBOX_ASTS_IP_ADDRESS_CHANGED		0x801C
+#define MBOX_ASTS_DHCP_LEASE_EXPIRED		0x801D
+#define MBOX_ASTS_DHCP_LEASE_ACQUIRED		0x801F
+#define MBOX_ASTS_ISNS_UNSOLICITED_PDU_RECEIVED 0x8021
+#define ISNS_EVENT_DATA_RECEIVED		0x0000
+#define ISNS_EVENT_CONNECTION_OPENED		0x0001
+#define ISNS_EVENT_CONNECTION_FAILED		0x0002
+#define MBOX_ASTS_IPSEC_SYSTEM_FATAL_ERROR	0x8022
+#define MBOX_ASTS_SUBNET_STATE_CHANGE		0x8027
+
+/*************************************************************************/
+
+/* Host Adapter Initialization Control Block (from host) */
+struct init_fw_ctrl_blk {
+	uint8_t Version;	/* 00 */
+	uint8_t Control;	/* 01 */
+
+	uint16_t FwOptions;	/* 02-03 */
+#define	 FWOPT_HEARTBEAT_ENABLE		  0x1000
+#define	 FWOPT_SESSION_MODE		  0x0040
+#define	 FWOPT_INITIATOR_MODE		  0x0020
+#define	 FWOPT_TARGET_MODE		  0x0010
+
+	uint16_t ExecThrottle;	/* 04-05 */
+	uint8_t RetryCount;	/* 06 */
+	uint8_t RetryDelay;	/* 07 */
+	uint16_t MaxEthFrPayloadSize;	/* 08-09 */
+	uint16_t AddFwOptions;	/* 0A-0B */
+
+	uint8_t HeartbeatInterval;	/* 0C */
+	uint8_t InstanceNumber; /* 0D */
+	uint16_t RES2;		/* 0E-0F */
+	uint16_t ReqQConsumerIndex;	/* 10-11 */
+	uint16_t ComplQProducerIndex;	/* 12-13 */
+	uint16_t ReqQLen;	/* 14-15 */
+	uint16_t ComplQLen;	/* 16-17 */
+	uint32_t ReqQAddrLo;	/* 18-1B */
+	uint32_t ReqQAddrHi;	/* 1C-1F */
+	uint32_t ComplQAddrLo;	/* 20-23 */
+	uint32_t ComplQAddrHi;	/* 24-27 */
+	uint32_t ShadowRegBufAddrLo;	/* 28-2B */
+	uint32_t ShadowRegBufAddrHi;	/* 2C-2F */
+
+	uint16_t iSCSIOptions;	/* 30-31 */
+
+	uint16_t TCPOptions;	/* 32-33 */
+
+	uint16_t IPOptions;	/* 34-35 */
+
+	uint16_t MaxPDUSize;	/* 36-37 */
+	uint16_t RcvMarkerInt;	/* 38-39 */
+	uint16_t SndMarkerInt;	/* 3A-3B */
+	uint16_t InitMarkerlessInt;	/* 3C-3D */
+	uint16_t FirstBurstSize;	/* 3E-3F */
+	uint16_t DefaultTime2Wait;	/* 40-41 */
+	uint16_t DefaultTime2Retain;	/* 42-43 */
+	uint16_t MaxOutStndngR2T;	/* 44-45 */
+	uint16_t KeepAliveTimeout;	/* 46-47 */
+	uint16_t PortNumber;	/* 48-49 */
+	uint16_t MaxBurstSize;	/* 4A-4B */
+	uint32_t RES4;		/* 4C-4F */
+	uint8_t IPAddr[4];	/* 50-53 */
+	uint8_t RES5[12];	/* 54-5F */
+	uint8_t SubnetMask[4];	/* 60-63 */
+	uint8_t RES6[12];	/* 64-6F */
+	uint8_t GatewayIPAddr[4];	/* 70-73 */
+	uint8_t RES7[12];	/* 74-7F */
+	uint8_t PriDNSIPAddr[4];	/* 80-83 */
+	uint8_t SecDNSIPAddr[4];	/* 84-87 */
+	uint8_t RES8[8];	/* 88-8F */
+	uint8_t Alias[32];	/* 90-AF */
+	uint8_t TargAddr[8];	/* B0-B7 *//* /FIXME: Remove?? */
+	uint8_t CHAPNameSecretsTable[8];	/* B8-BF */
+	uint8_t EthernetMACAddr[6];	/* C0-C5 */
+	uint16_t TargetPortalGroup;	/* C6-C7 */
+	uint8_t SendScale;	/* C8	 */
+	uint8_t RecvScale;	/* C9	 */
+	uint8_t TypeOfService;	/* CA	 */
+	uint8_t Time2Live;	/* CB	 */
+	uint16_t VLANPriority;	/* CC-CD */
+	uint16_t Reserved8;	/* CE-CF */
+	uint8_t SecIPAddr[4];	/* D0-D3 */
+	uint8_t Reserved9[12];	/* D4-DF */
+	uint8_t iSNSIPAddr[4];	/* E0-E3 */
+	uint16_t iSNSServerPortNumber;	/* E4-E5 */
+	uint8_t Reserved10[10]; /* E6-EF */
+	uint8_t SLPDAIPAddr[4]; /* F0-F3 */
+	uint8_t Reserved11[12]; /* F4-FF */
+	uint8_t iSCSINameString[256];	/* 100-1FF */
+};
+
+/*************************************************************************/
+
+struct dev_db_entry {
+	uint8_t options;	/* 00 */
+#define DDB_OPT_DISC_SESSION  0x10
+#define DDB_OPT_TARGET	      0x02 /* device is a target */
+
+	uint8_t control;	/* 01 */
+
+	uint16_t exeThrottle;	/* 02-03 */
+	uint16_t exeCount;	/* 04-05 */
+	uint8_t retryCount;	/* 06	 */
+	uint8_t retryDelay;	/* 07	 */
+	uint16_t iSCSIOptions;	/* 08-09 */
+
+	uint16_t TCPOptions;	/* 0A-0B */
+
+	uint16_t IPOptions;	/* 0C-0D */
+
+	uint16_t maxPDUSize;	/* 0E-0F */
+	uint16_t rcvMarkerInt;	/* 10-11 */
+	uint16_t sndMarkerInt;	/* 12-13 */
+	uint16_t iSCSIMaxSndDataSegLen; /* 14-15 */
+	uint16_t firstBurstSize;	/* 16-17 */
+	uint16_t minTime2Wait;	/* 18-19 : RA :default_time2wait */
+	uint16_t maxTime2Retain;	/* 1A-1B */
+	uint16_t maxOutstndngR2T;	/* 1C-1D */
+	uint16_t keepAliveTimeout;	/* 1E-1F */
+	uint8_t ISID[6];	/* 20-25 big-endian, must be converted
+				 * to little-endian */
+	uint16_t TSID;		/* 26-27 */
+	uint16_t portNumber;	/* 28-29 */
+	uint16_t maxBurstSize;	/* 2A-2B */
+	uint16_t taskMngmntTimeout;	/* 2C-2D */
+	uint16_t reserved1;	/* 2E-2F */
+	uint8_t ipAddr[0x10];	/* 30-3F */
+	uint8_t iSCSIAlias[0x20];	/* 40-5F */
+	uint8_t targetAddr[0x20];	/* 60-7F */
+	uint8_t userID[0x20];	/* 80-9F */
+	uint8_t password[0x20]; /* A0-BF */
+	uint8_t iscsiName[0x100];	/* C0-1BF : xxzzy Make this a
+					 * pointer to a string so we
+					 * don't have to reserve soooo
+					 * much RAM */
+	uint16_t ddbLink;	/* 1C0-1C1 */
+	uint16_t CHAPTableIndex; /* 1C2-1C3 */
+	uint16_t TargetPortalGroup; /* 1C4-1C5 */
+	uint16_t reserved2[2];	/* 1C6-1C7 */
+	uint32_t statSN;	/* 1C8-1CB */
+	uint32_t expStatSN;	/* 1CC-1CF */
+	uint16_t reserved3[0x2C]; /* 1D0-1FB */
+	uint16_t ddbValidCookie; /* 1FC-1FD */
+	uint16_t ddbValidSize;	/* 1FE-1FF */
+};
+
+/*************************************************************************/
+
+/* Flash definitions */
+
+#define FLASH_OFFSET_SYS_INFO	0x02000000
+#define FLASH_DEFAULTBLOCKSIZE	0x20000
+#define FLASH_EOF_OFFSET	(FLASH_DEFAULTBLOCKSIZE-8) /* 4 bytes
+							    * for EOF
+							    * signature */
+
+struct sys_info_phys_addr {
+	uint8_t address[6];	/* 00-05 */
+	uint8_t filler[2];	/* 06-07 */
+};
+
+struct flash_sys_info {
+	uint32_t cookie;	/* 00-03 */
+	uint32_t physAddrCount; /* 04-07 */
+	struct sys_info_phys_addr physAddr[4]; /* 08-27 */
+	uint8_t vendorId[128];	/* 28-A7 */
+	uint8_t productId[128]; /* A8-127 */
+	uint32_t serialNumber;	/* 128-12B */
+
+	/*  PCI Configuration values */
+	uint32_t pciDeviceVendor;	/* 12C-12F */
+	uint32_t pciDeviceId;	/* 130-133 */
+	uint32_t pciSubsysVendor;	/* 134-137 */
+	uint32_t pciSubsysId;	/* 138-13B */
+
+	/*  This validates version 1. */
+	uint32_t crumbs;	/* 13C-13F */
+
+	uint32_t enterpriseNumber;	/* 140-143 */
+
+	uint32_t mtu;		/* 144-147 */
+	uint32_t reserved0;	/* 148-14b */
+	uint32_t crumbs2;	/* 14c-14f */
+	uint8_t acSerialNumber[16];	/* 150-15f */
+	uint32_t crumbs3;	/* 160-16f */
+
+	/* Leave this last in the struct so it is declared invalid if
+	 * any new items are added.
+	 */
+	uint32_t reserved1[39]; /* 170-1ff */
+};	/* 200 */
+
+struct crash_record {
+	uint16_t fw_major_version;	/* 00 - 01 */
+	uint16_t fw_minor_version;	/* 02 - 03 */
+	uint16_t fw_patch_version;	/* 04 - 05 */
+	uint16_t fw_build_version;	/* 06 - 07 */
+
+	uint8_t build_date[16]; /* 08 - 17 */
+	uint8_t build_time[16]; /* 18 - 27 */
+	uint8_t build_user[16]; /* 28 - 37 */
+	uint8_t card_serial_num[16];	/* 38 - 47 */
+
+	uint32_t time_of_crash_in_secs; /* 48 - 4B */
+	uint32_t time_of_crash_in_ms;	/* 4C - 4F */
+
+	uint16_t out_RISC_sd_num_frames;	/* 50 - 51 */
+	uint16_t OAP_sd_num_words;	/* 52 - 53 */
+	uint16_t IAP_sd_num_frames;	/* 54 - 55 */
+	uint16_t in_RISC_sd_num_words;	/* 56 - 57 */
+
+	uint8_t reserved1[28];	/* 58 - 7F */
+
+	uint8_t out_RISC_reg_dump[256]; /* 80 -17F */
+	uint8_t in_RISC_reg_dump[256];	/*180 -27F */
+	uint8_t in_out_RISC_stack_dump[0];	/*280 - ??? */
+};
+
+struct conn_event_log_entry {
+#define MAX_CONN_EVENT_LOG_ENTRIES	100
+	uint32_t timestamp_sec; /* 00 - 03 seconds since boot */
+	uint32_t timestamp_ms;	/* 04 - 07 milliseconds since boot */
+	uint16_t device_index;	/* 08 - 09  */
+	uint16_t fw_conn_state; /* 0A - 0B  */
+	uint8_t event_type;	/* 0C - 0C  */
+	uint8_t error_code;	/* 0D - 0D  */
+	uint16_t error_code_detail;	/* 0E - 0F  */
+	uint8_t num_consecutive_events; /* 10 - 10  */
+	uint8_t rsvd[3];	/* 11 - 13  */
+};
+
+/*************************************************************************
+ *
+ *				IOCB Commands Structures and Definitions
+ *
+ *************************************************************************/
+#define IOCB_MAX_CDB_LEN	    16	/* Bytes in a CBD */
+#define IOCB_MAX_SENSEDATA_LEN	    32	/* Bytes of sense data */
+
+/* IOCB header structure */
+struct qla4_header {
+	uint8_t entryType;
+#define ET_STATUS		 0x03
+#define ET_MARKER		 0x04
+#define ET_CONT_T1		 0x0A
+#define ET_STATUS_CONTINUATION	 0x10
+#define ET_CMND_T3		 0x19
+#define ET_PASSTHRU0		 0x3A
+#define ET_PASSTHRU_STATUS	 0x3C
+
+	uint8_t entryStatus;
+	uint8_t systemDefined;
+	uint8_t entryCount;
+
+	/* SyetemDefined definition */
+};
+
+/* Generic queue entry structure*/
+struct queue_entry {
+	uint8_t data[60];
+	uint32_t signature;
+
+};
+
+/* 64 bit addressing segment counts*/
+
+#define COMMAND_SEG_A64	  1
+#define CONTINUE_SEG_A64  5
+
+/* 64 bit addressing segment definition*/
+
+struct data_seg_a64 {
+	struct {
+		uint32_t addrLow;
+		uint32_t addrHigh;
+
+	} base;
+
+	uint32_t count;
+
+};
+
+/* Command Type 3 entry structure*/
+
+struct command_t3_entry {
+	struct qla4_header hdr;	/* 00-03 */
+
+	uint32_t handle;	/* 04-07 */
+	uint16_t target;	/* 08-09 */
+	uint16_t connection_id; /* 0A-0B */
+
+	uint8_t control_flags;	/* 0C */
+
+	/* data direction  (bits 5-6) */
+#define CF_WRITE		0x20
+#define CF_READ			0x40
+#define CF_NO_DATA		0x00
+
+	/* task attributes (bits 2-0) */
+#define CF_HEAD_TAG		0x03
+#define CF_ORDERED_TAG		0x02
+#define CF_SIMPLE_TAG		0x01
+
+	/* STATE FLAGS FIELD IS A PLACE HOLDER. THE FW WILL SET BITS
+	 * IN THIS FIELD AS THE COMMAND IS PROCESSED. WHEN THE IOCB IS
+	 * CHANGED TO AN IOSB THIS FIELD WILL HAVE THE STATE FLAGS SET
+	 * PROPERLY.
+	 */
+	uint8_t state_flags;	/* 0D */
+	uint8_t cmdRefNum;	/* 0E */
+	uint8_t reserved1;	/* 0F */
+	uint8_t cdb[IOCB_MAX_CDB_LEN];	/* 10-1F */
+	struct scsi_lun lun;	/* FCP LUN (BE). */
+	uint32_t cmdSeqNum;	/* 28-2B */
+	uint16_t timeout;	/* 2C-2D */
+	uint16_t dataSegCnt;	/* 2E-2F */
+	uint32_t ttlByteCnt;	/* 30-33 */
+	struct data_seg_a64 dataseg[COMMAND_SEG_A64];	/* 34-3F */
+
+};
+
+
+/* Continuation Type 1 entry structure*/
+struct continuation_t1_entry {
+	struct qla4_header hdr;
+
+	struct data_seg_a64 dataseg[CONTINUE_SEG_A64];
+
+};
+
+/* Parameterize for 64 or 32 bits */
+#define COMMAND_SEG	COMMAND_SEG_A64
+#define CONTINUE_SEG	CONTINUE_SEG_A64
+
+#define ET_COMMAND	ET_CMND_T3
+#define ET_CONTINUE	ET_CONT_T1
+
+/* Marker entry structure*/
+struct marker_entry {
+	struct qla4_header hdr;	/* 00-03 */
+
+	uint32_t system_defined; /* 04-07 */
+	uint16_t target;	/* 08-09 */
+	uint16_t modifier;	/* 0A-0B */
+#define MM_LUN_RESET	     0
+
+	uint16_t flags;		/* 0C-0D */
+	uint16_t reserved1;	/* 0E-0F */
+	struct scsi_lun lun;	/* FCP LUN (BE). */
+	uint64_t reserved2;	/* 18-1F */
+	uint64_t reserved3;	/* 20-27 */
+	uint64_t reserved4;	/* 28-2F */
+	uint64_t reserved5;	/* 30-37 */
+	uint64_t reserved6;	/* 38-3F */
+};
+
+/* Status entry structure*/
+struct status_entry {
+	struct qla4_header hdr;	/* 00-03 */
+
+	uint32_t handle;	/* 04-07 */
+
+	uint8_t scsiStatus;	/* 08 */
+#define SCSI_CHECK_CONDITION		  0x02
+
+	uint8_t iscsiFlags;	/* 09 */
+#define ISCSI_FLAG_RESIDUAL_UNDER	  0x02
+#define ISCSI_FLAG_RESIDUAL_OVER	  0x04
+
+	uint8_t iscsiResponse;	/* 0A */
+
+	uint8_t completionStatus;	/* 0B */
+#define SCS_COMPLETE			  0x00
+#define SCS_INCOMPLETE			  0x01
+#define SCS_RESET_OCCURRED		  0x04
+#define SCS_ABORTED			  0x05
+#define SCS_TIMEOUT			  0x06
+#define SCS_DATA_OVERRUN		  0x07
+#define SCS_DATA_UNDERRUN		  0x15
+#define SCS_QUEUE_FULL			  0x1C
+#define SCS_DEVICE_UNAVAILABLE		  0x28
+#define SCS_DEVICE_LOGGED_OUT		  0x29
+
+	uint8_t reserved1;	/* 0C */
+
+	/* state_flags MUST be at the same location as state_flags in
+	 * the Command_T3/4_Entry */
+	uint8_t state_flags;	/* 0D */
+
+	uint16_t senseDataByteCnt;	/* 0E-0F */
+	uint32_t residualByteCnt;	/* 10-13 */
+	uint32_t bidiResidualByteCnt;	/* 14-17 */
+	uint32_t expSeqNum;	/* 18-1B */
+	uint32_t maxCmdSeqNum;	/* 1C-1F */
+	uint8_t senseData[IOCB_MAX_SENSEDATA_LEN];	/* 20-3F */
+
+};
+
+struct passthru0 {
+	struct qla4_header hdr;		       /* 00-03 */
+	uint32_t handle;	/* 04-07 */
+	uint16_t target;	/* 08-09 */
+	uint16_t connectionID;	/* 0A-0B */
+#define ISNS_DEFAULT_SERVER_CONN_ID	((uint16_t)0x8000)
+
+	uint16_t controlFlags;	/* 0C-0D */
+#define PT_FLAG_ETHERNET_FRAME		0x8000
+#define PT_FLAG_ISNS_PDU		0x8000
+#define PT_FLAG_SEND_BUFFER		0x0200
+#define PT_FLAG_WAIT_4_RESPONSE		0x0100
+
+	uint16_t timeout;	/* 0E-0F */
+#define PT_DEFAULT_TIMEOUT		30 /* seconds */
+
+	struct data_seg_a64 outDataSeg64;	/* 10-1B */
+	uint32_t res1;		/* 1C-1F */
+	struct data_seg_a64 inDataSeg64;	/* 20-2B */
+	uint8_t res2[20];	/* 2C-3F */
+};
+
+struct passthru_status {
+	struct qla4_header hdr;		       /* 00-03 */
+	uint32_t handle;	/* 04-07 */
+	uint16_t target;	/* 08-09 */
+	uint16_t connectionID;	/* 0A-0B */
+
+	uint8_t completionStatus;	/* 0C */
+#define PASSTHRU_STATUS_COMPLETE		0x01
+
+	uint8_t residualFlags;	/* 0D */
+
+	uint16_t timeout;	/* 0E-0F */
+	uint16_t portNumber;	/* 10-11 */
+	uint8_t res1[10];	/* 12-1B */
+	uint32_t outResidual;	/* 1C-1F */
+	uint8_t res2[12];	/* 20-2B */
+	uint32_t inResidual;	/* 2C-2F */
+	uint8_t res4[16];	/* 30-3F */
+};
+
+#endif /*  _QLA4X_FW_H */