Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1075 insertions, 0 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
new file mode 100644
index 000000000..f5b382ed0
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -0,0 +1,1075 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * QLogic iSCSI HBA Driver
+ * Copyright (c)  2003-2013 QLogic Corporation
+ */
+
+#ifndef __QL4_DEF_H
+#define __QL4_DEF_H
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/dmapool.h>
+#include <linux/mempool.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/aer.h>
+#include <linux/bsg-lib.h>
+#include <linux/vmalloc.h>
+
+#include <net/tcp.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_iscsi.h>
+#include <scsi/scsi_bsg_iscsi.h>
+#include <scsi/scsi_netlink.h>
+#include <scsi/libiscsi.h>
+
+#include "ql4_dbg.h"
+#include "ql4_nx.h"
+#include "ql4_fw.h"
+#include "ql4_nvram.h"
+#include "ql4_83xx.h"
+
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
+#define PCI_DEVICE_ID_QLOGIC_ISP4010	0x4010
+#endif
+
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
+#define PCI_DEVICE_ID_QLOGIC_ISP4022	0x4022
+#endif
+
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
+#define PCI_DEVICE_ID_QLOGIC_ISP4032	0x4032
+#endif
+
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
+#define PCI_DEVICE_ID_QLOGIC_ISP8022	0x8022
+#endif
+
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP8324
+#define PCI_DEVICE_ID_QLOGIC_ISP8324	0x8032
+#endif
+
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP8042
+#define PCI_DEVICE_ID_QLOGIC_ISP8042	0x8042
+#endif
+
+#define ISP4XXX_PCI_FN_1	0x1
+#define ISP4XXX_PCI_FN_2	0x3
+
+#define QLA_SUCCESS			0
+#define QLA_ERROR			1
+#define STATUS(status)		status == QLA_ERROR ? "FAILED" : "SUCCEEDED"
+
+/*
+ * Data bit definitions
+ */
+#define BIT_0	0x1
+#define BIT_1	0x2
+#define BIT_2	0x4
+#define BIT_3	0x8
+#define BIT_4	0x10
+#define BIT_5	0x20
+#define BIT_6	0x40
+#define BIT_7	0x80
+#define BIT_8	0x100
+#define BIT_9	0x200
+#define BIT_10	0x400
+#define BIT_11	0x800
+#define BIT_12	0x1000
+#define BIT_13	0x2000
+#define BIT_14	0x4000
+#define BIT_15	0x8000
+#define BIT_16	0x10000
+#define BIT_17	0x20000
+#define BIT_18	0x40000
+#define BIT_19	0x80000
+#define BIT_20	0x100000
+#define BIT_21	0x200000
+#define BIT_22	0x400000
+#define BIT_23	0x800000
+#define BIT_24	0x1000000
+#define BIT_25	0x2000000
+#define BIT_26	0x4000000
+#define BIT_27	0x8000000
+#define BIT_28	0x10000000
+#define BIT_29	0x20000000
+#define BIT_30	0x40000000
+#define BIT_31	0x80000000
+
+/**
+ * Macros to help code, maintain, etc.
+ **/
+#define ql4_printk(level, ha, format, arg...) \
+	dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
+
+
+/*
+ * Host adapter default definitions
+ ***********************************/
+#define MAX_HBAS		16
+#define MAX_BUSES		1
+#define MAX_TARGETS		MAX_DEV_DB_ENTRIES
+#define MAX_LUNS		0xffff
+#define MAX_AEN_ENTRIES		MAX_DEV_DB_ENTRIES
+#define MAX_DDB_ENTRIES		MAX_DEV_DB_ENTRIES
+#define MAX_PDU_ENTRIES		32
+#define INVALID_ENTRY		0xFFFF
+#define MAX_CMDS_TO_RISC	1024
+#define MAX_SRBS		MAX_CMDS_TO_RISC
+#define MBOX_AEN_REG_COUNT	8
+#define MAX_INIT_RETRIES	5
+
+/*
+ * Buffer sizes
+ */
+#define REQUEST_QUEUE_DEPTH		MAX_CMDS_TO_RISC
+#define RESPONSE_QUEUE_DEPTH		64
+#define QUEUE_SIZE			64
+#define DMA_BUFFER_SIZE			512
+#define IOCB_HIWAT_CUSHION		4
+
+/*
+ * Misc
+ */
+#define MAC_ADDR_LEN			6	/* in bytes */
+#define IP_ADDR_LEN			4	/* in bytes */
+#define IPv6_ADDR_LEN			16	/* IPv6 address size */
+#define DRIVER_NAME			"qla4xxx"
+
+#define MAX_LINKED_CMDS_PER_LUN		3
+#define MAX_REQS_SERVICED_PER_INTR	1
+
+#define ISCSI_IPADDR_SIZE		4	/* IP address size */
+#define ISCSI_ALIAS_SIZE		32	/* ISCSI Alias name size */
+#define ISCSI_NAME_SIZE			0xE0	/* ISCSI Name size */
+
+#define QL4_SESS_RECOVERY_TMO		120	/* iSCSI session */
+						/* recovery timeout */
+
+#define LSDW(x) ((u32)((u64)(x)))
+#define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
+
+#define DEV_DB_NON_PERSISTENT	0
+#define DEV_DB_PERSISTENT	1
+
+#define QL4_ISP_REG_DISCONNECT 0xffffffffU
+
+#define COPY_ISID(dst_isid, src_isid) {			\
+	int i, j;					\
+	for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;)	\
+		dst_isid[i++] = src_isid[j--];		\
+}
+
+#define SET_BITVAL(o, n, v) {	\
+	if (o)			\
+		n |= v;		\
+	else			\
+		n &= ~v;	\
+}
+
+#define OP_STATE(o, f, p) {			\
+	p = (o & f) ? "enable" : "disable";	\
+}
+
+/*
+ * Retry & Timeout Values
+ */
+#define MBOX_TOV			60
+#define SOFT_RESET_TOV			30
+#define RESET_INTR_TOV			3
+#define SEMAPHORE_TOV			10
+#define ADAPTER_INIT_TOV		30
+#define ADAPTER_RESET_TOV		180
+#define EXTEND_CMD_TOV			60
+#define WAIT_CMD_TOV			5
+#define EH_WAIT_CMD_TOV			120
+#define FIRMWARE_UP_TOV			60
+#define RESET_FIRMWARE_TOV		30
+#define LOGOUT_TOV			10
+#define IOCB_TOV_MARGIN			10
+#define RELOGIN_TOV			18
+#define ISNS_DEREG_TOV			5
+#define HBA_ONLINE_TOV			30
+#define DISABLE_ACB_TOV			30
+#define IP_CONFIG_TOV			30
+#define LOGIN_TOV			12
+#define BOOT_LOGIN_RESP_TOV		60
+
+#define MAX_RESET_HA_RETRIES		2
+#define FW_ALIVE_WAIT_TOV		3
+#define IDC_EXTEND_TOV			8
+#define IDC_COMP_TOV			5
+#define LINK_UP_COMP_TOV		30
+
+#define CMD_SP(Cmnd)			((Cmnd)->SCp.ptr)
+
+/*
+ * SCSI Request Block structure	 (srb)	that is placed
+ * on cmd->SCp location of every I/O	 [We have 22 bytes available]
+ */
+struct srb {
+	struct list_head list;	/* (8)	 */
+	struct scsi_qla_host *ha;	/* HA the SP is queued on */
+	struct ddb_entry *ddb;
+	uint16_t flags;		/* (1) Status flags. */
+
+#define SRB_DMA_VALID		BIT_3	/* DMA Buffer mapped. */
+#define SRB_GOT_SENSE		BIT_4	/* sense data received. */
+	uint8_t state;		/* (1) Status flags. */
+
+#define SRB_NO_QUEUE_STATE	 0	/* Request is in between states */
+#define SRB_FREE_STATE		 1
+#define SRB_ACTIVE_STATE	 3
+#define SRB_ACTIVE_TIMEOUT_STATE 4
+#define SRB_SUSPENDED_STATE	 7	/* Request in suspended state */
+
+	struct scsi_cmnd *cmd;	/* (4) SCSI command block */
+	dma_addr_t dma_handle;	/* (4) for unmap of single transfers */
+	struct kref srb_ref;	/* reference count for this srb */
+	uint8_t err_id;		/* error id */
+#define SRB_ERR_PORT	   1	/* Request failed because "port down" */
+#define SRB_ERR_LOOP	   2	/* Request failed because "loop down" */
+#define SRB_ERR_DEVICE	   3	/* Request failed because "device error" */
+#define SRB_ERR_OTHER	   4
+
+	uint16_t reserved;
+	uint16_t iocb_tov;
+	uint16_t iocb_cnt;	/* Number of used iocbs */
+	uint16_t cc_stat;
+
+	/* Used for extended sense / status continuation */
+	uint8_t *req_sense_ptr;
+	uint16_t req_sense_len;
+	uint16_t reserved2;
+};
+
+/* Mailbox request block structure */
+struct mrb {
+	struct scsi_qla_host *ha;
+	struct mbox_cmd_iocb *mbox;
+	uint32_t mbox_cmd;
+	uint16_t iocb_cnt;		/* Number of used iocbs */
+	uint32_t pid;
+};
+
+/*
+ * Asynchronous Event Queue structure
+ */
+struct aen {
+        uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
+};
+
+struct ql4_aen_log {
+        int count;
+        struct aen entry[MAX_AEN_ENTRIES];
+};
+
+/*
+ * Device Database (DDB) structure
+ */
+struct ddb_entry {
+	struct scsi_qla_host *ha;
+	struct iscsi_cls_session *sess;
+	struct iscsi_cls_conn *conn;
+
+	uint16_t fw_ddb_index;	/* DDB firmware index */
+	uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
+	uint16_t ddb_type;
+#define FLASH_DDB 0x01
+
+	struct dev_db_entry fw_ddb_entry;
+	int (*unblock_sess)(struct iscsi_cls_session *cls_session);
+	int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			  struct ddb_entry *ddb_entry, uint32_t state);
+
+	/* Driver Re-login  */
+	unsigned long flags;		  /* DDB Flags */
+#define DDB_CONN_CLOSE_FAILURE		0 /* 0x00000001 */
+
+	uint16_t default_relogin_timeout; /*  Max time to wait for
+					   *  relogin to complete */
+	atomic_t retry_relogin_timer;	  /* Min Time between relogins
+					   * (4000 only) */
+	atomic_t relogin_timer;		  /* Max Time to wait for
+					   * relogin to complete */
+	atomic_t relogin_retry_count;	  /* Num of times relogin has been
+					   * retried */
+	uint32_t default_time2wait;	  /* Default Min time between
+					   * relogins (+aens) */
+	uint16_t chap_tbl_idx;
+};
+
+struct qla_ddb_index {
+	struct list_head list;
+	uint16_t fw_ddb_idx;
+	uint16_t flash_ddb_idx;
+	struct dev_db_entry fw_ddb;
+	uint8_t flash_isid[6];
+};
+
+#define DDB_IPADDR_LEN 64
+
+struct ql4_tuple_ddb {
+	int port;
+	int tpgt;
+	char ip_addr[DDB_IPADDR_LEN];
+	char iscsi_name[ISCSI_NAME_SIZE];
+	uint16_t options;
+#define DDB_OPT_IPV6 0x0e0e
+#define DDB_OPT_IPV4 0x0f0f
+	uint8_t isid[6];
+};
+
+/*
+ * DDB states.
+ */
+#define DDB_STATE_DEAD		0	/* We can no longer talk to
+					 * this device */
+#define DDB_STATE_ONLINE	1	/* Device ready to accept
+					 * commands */
+#define DDB_STATE_MISSING	2	/* Device logged off, trying
+					 * to re-login */
+
+/*
+ * DDB flags.
+ */
+#define DF_RELOGIN		0	/* Relogin to device */
+#define DF_BOOT_TGT		1	/* Boot target entry */
+#define DF_ISNS_DISCOVERED	2	/* Device was discovered via iSNS */
+#define DF_FO_MASKED		3
+#define DF_DISABLE_RELOGIN		4	/* Disable relogin to device */
+
+enum qla4_work_type {
+	QLA4_EVENT_AEN,
+	QLA4_EVENT_PING_STATUS,
+};
+
+struct qla4_work_evt {
+	struct list_head list;
+	enum qla4_work_type type;
+	union {
+		struct {
+			enum iscsi_host_event_code code;
+			uint32_t data_size;
+			uint8_t data[0];
+		} aen;
+		struct {
+			uint32_t status;
+			uint32_t pid;
+			uint32_t data_size;
+			uint8_t data[0];
+		} ping;
+	} u;
+};
+
+struct ql82xx_hw_data {
+	/* Offsets for flash/nvram access (set to ~0 if not used). */
+	uint32_t flash_conf_off;
+	uint32_t flash_data_off;
+
+	uint32_t fdt_wrt_disable;
+	uint32_t fdt_erase_cmd;
+	uint32_t fdt_block_size;
+	uint32_t fdt_unprotect_sec_cmd;
+	uint32_t fdt_protect_sec_cmd;
+
+	uint32_t flt_region_flt;
+	uint32_t flt_region_fdt;
+	uint32_t flt_region_boot;
+	uint32_t flt_region_bootload;
+	uint32_t flt_region_fw;
+
+	uint32_t flt_iscsi_param;
+	uint32_t flt_region_chap;
+	uint32_t flt_chap_size;
+	uint32_t flt_region_ddb;
+	uint32_t flt_ddb_size;
+};
+
+struct qla4_8xxx_legacy_intr_set {
+	uint32_t int_vec_bit;
+	uint32_t tgt_status_reg;
+	uint32_t tgt_mask_reg;
+	uint32_t pci_int_reg;
+};
+
+/* MSI-X Support */
+#define QLA_MSIX_ENTRIES	2
+
+/*
+ * ISP Operations
+ */
+struct isp_operations {
+	int (*iospace_config) (struct scsi_qla_host *ha);
+	void (*pci_config) (struct scsi_qla_host *);
+	void (*disable_intrs) (struct scsi_qla_host *);
+	void (*enable_intrs) (struct scsi_qla_host *);
+	int (*start_firmware) (struct scsi_qla_host *);
+	int (*restart_firmware) (struct scsi_qla_host *);
+	irqreturn_t (*intr_handler) (int , void *);
+	void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
+	int (*need_reset) (struct scsi_qla_host *);
+	int (*reset_chip) (struct scsi_qla_host *);
+	int (*reset_firmware) (struct scsi_qla_host *);
+	void (*queue_iocb) (struct scsi_qla_host *);
+	void (*complete_iocb) (struct scsi_qla_host *);
+	uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
+	uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
+	int (*get_sys_info) (struct scsi_qla_host *);
+	uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
+	void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
+	int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
+	int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
+	int (*idc_lock) (struct scsi_qla_host *);
+	void (*idc_unlock) (struct scsi_qla_host *);
+	void (*rom_lock_recovery) (struct scsi_qla_host *);
+	void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
+	void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
+};
+
+struct ql4_mdump_size_table {
+	uint32_t size;
+	uint32_t size_cmask_02;
+	uint32_t size_cmask_04;
+	uint32_t size_cmask_08;
+	uint32_t size_cmask_10;
+	uint32_t size_cmask_FF;
+	uint32_t version;
+};
+
+/*qla4xxx ipaddress configuration details */
+struct ipaddress_config {
+	uint16_t ipv4_options;
+	uint16_t tcp_options;
+	uint16_t ipv4_vlan_tag;
+	uint8_t ipv4_addr_state;
+	uint8_t ip_address[IP_ADDR_LEN];
+	uint8_t subnet_mask[IP_ADDR_LEN];
+	uint8_t gateway[IP_ADDR_LEN];
+	uint32_t ipv6_options;
+	uint32_t ipv6_addl_options;
+	uint8_t ipv6_link_local_state;
+	uint8_t ipv6_addr0_state;
+	uint8_t ipv6_addr1_state;
+	uint8_t ipv6_default_router_state;
+	uint16_t ipv6_vlan_tag;
+	struct in6_addr ipv6_link_local_addr;
+	struct in6_addr ipv6_addr0;
+	struct in6_addr ipv6_addr1;
+	struct in6_addr ipv6_default_router_addr;
+	uint16_t eth_mtu_size;
+	uint16_t ipv4_port;
+	uint16_t ipv6_port;
+	uint8_t control;
+	uint16_t ipv6_tcp_options;
+	uint8_t tcp_wsf;
+	uint8_t ipv6_tcp_wsf;
+	uint8_t ipv4_tos;
+	uint8_t ipv4_cache_id;
+	uint8_t ipv6_cache_id;
+	uint8_t ipv4_alt_cid_len;
+	uint8_t ipv4_alt_cid[11];
+	uint8_t ipv4_vid_len;
+	uint8_t ipv4_vid[11];
+	uint8_t ipv4_ttl;
+	uint16_t ipv6_flow_lbl;
+	uint8_t ipv6_traffic_class;
+	uint8_t ipv6_hop_limit;
+	uint32_t ipv6_nd_reach_time;
+	uint32_t ipv6_nd_rexmit_timer;
+	uint32_t ipv6_nd_stale_timeout;
+	uint8_t ipv6_dup_addr_detect_count;
+	uint32_t ipv6_gw_advrt_mtu;
+	uint16_t def_timeout;
+	uint8_t abort_timer;
+	uint16_t iscsi_options;
+	uint16_t iscsi_max_pdu_size;
+	uint16_t iscsi_first_burst_len;
+	uint16_t iscsi_max_outstnd_r2t;
+	uint16_t iscsi_max_burst_len;
+	uint8_t iscsi_name[224];
+};
+
+#define QL4_CHAP_MAX_NAME_LEN 256
+#define QL4_CHAP_MAX_SECRET_LEN 100
+#define LOCAL_CHAP	0
+#define BIDI_CHAP	1
+
+struct ql4_chap_format {
+	u8  intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
+	u8  intr_secret[QL4_CHAP_MAX_SECRET_LEN];
+	u8  target_chap_name[QL4_CHAP_MAX_NAME_LEN];
+	u8  target_secret[QL4_CHAP_MAX_SECRET_LEN];
+	u16 intr_chap_name_length;
+	u16 intr_secret_length;
+	u16 target_chap_name_length;
+	u16 target_secret_length;
+};
+
+struct ip_address_format {
+	u8 ip_type;
+	u8 ip_address[16];
+};
+
+struct	ql4_conn_info {
+	u16	dest_port;
+	struct	ip_address_format dest_ipaddr;
+	struct	ql4_chap_format chap;
+};
+
+struct ql4_boot_session_info {
+	u8	target_name[224];
+	struct	ql4_conn_info conn_list[1];
+};
+
+struct ql4_boot_tgt_info {
+	struct ql4_boot_session_info boot_pri_sess;
+	struct ql4_boot_session_info boot_sec_sess;
+};
+
+/*
+ * Linux Host Adapter structure
+ */
+struct scsi_qla_host {
+	/* Linux adapter configuration data */
+	unsigned long flags;
+
+#define AF_ONLINE			0 /* 0x00000001 */
+#define AF_INIT_DONE			1 /* 0x00000002 */
+#define AF_MBOX_COMMAND			2 /* 0x00000004 */
+#define AF_MBOX_COMMAND_DONE		3 /* 0x00000008 */
+#define AF_ST_DISCOVERY_IN_PROGRESS	4 /* 0x00000010 */
+#define AF_INTERRUPTS_ON		6 /* 0x00000040 */
+#define AF_GET_CRASH_RECORD		7 /* 0x00000080 */
+#define AF_LINK_UP			8 /* 0x00000100 */
+#define AF_LOOPBACK			9 /* 0x00000200 */
+#define AF_IRQ_ATTACHED			10 /* 0x00000400 */
+#define AF_DISABLE_ACB_COMPLETE		11 /* 0x00000800 */
+#define AF_HA_REMOVAL			12 /* 0x00001000 */
+#define AF_MBOX_COMMAND_NOPOLL		18 /* 0x00040000 */
+#define AF_FW_RECOVERY			19 /* 0x00080000 */
+#define AF_EEH_BUSY			20 /* 0x00100000 */
+#define AF_PCI_CHANNEL_IO_PERM_FAILURE	21 /* 0x00200000 */
+#define AF_BUILD_DDB_LIST		22 /* 0x00400000 */
+#define AF_82XX_FW_DUMPED		24 /* 0x01000000 */
+#define AF_8XXX_RST_OWNER		25 /* 0x02000000 */
+#define AF_82XX_DUMP_READING		26 /* 0x04000000 */
+#define AF_83XX_IOCB_INTR_ON		28 /* 0x10000000 */
+#define AF_83XX_MBOX_INTR_ON		29 /* 0x20000000 */
+
+	unsigned long dpc_flags;
+
+#define DPC_RESET_HA			1 /* 0x00000002 */
+#define DPC_RETRY_RESET_HA		2 /* 0x00000004 */
+#define DPC_RELOGIN_DEVICE		3 /* 0x00000008 */
+#define DPC_RESET_HA_FW_CONTEXT		4 /* 0x00000010 */
+#define DPC_RESET_HA_INTR		5 /* 0x00000020 */
+#define DPC_ISNS_RESTART		7 /* 0x00000080 */
+#define DPC_AEN				9 /* 0x00000200 */
+#define DPC_GET_DHCP_IP_ADDR		15 /* 0x00008000 */
+#define DPC_LINK_CHANGED		18 /* 0x00040000 */
+#define DPC_RESET_ACTIVE		20 /* 0x00100000 */
+#define DPC_HA_UNRECOVERABLE		21 /* 0x00200000 ISP-82xx only*/
+#define DPC_HA_NEED_QUIESCENT		22 /* 0x00400000 ISP-82xx only*/
+#define DPC_POST_IDC_ACK		23 /* 0x00800000 */
+#define DPC_RESTORE_ACB			24 /* 0x01000000 */
+#define DPC_SYSFS_DDB_EXPORT		25 /* 0x02000000 */
+
+	struct Scsi_Host *host; /* pointer to host data */
+	uint32_t tot_ddbs;
+
+	uint16_t iocb_cnt;
+	uint16_t iocb_hiwat;
+
+	/* SRB cache. */
+#define SRB_MIN_REQ	128
+	mempool_t *srb_mempool;
+
+	/* pci information */
+	struct pci_dev *pdev;
+
+	struct isp_reg __iomem *reg; /* Base I/O address */
+	unsigned long pio_address;
+	unsigned long pio_length;
+#define MIN_IOBASE_LEN		0x100
+
+	uint16_t req_q_count;
+
+	unsigned long host_no;
+
+	/* NVRAM registers */
+	struct eeprom_data *nvram;
+	spinlock_t hardware_lock ____cacheline_aligned;
+	uint32_t eeprom_cmd_data;
+
+	/* Counters for general statistics */
+	uint64_t isr_count;
+	uint64_t adapter_error_count;
+	uint64_t device_error_count;
+	uint64_t total_io_count;
+	uint64_t total_mbytes_xferred;
+	uint64_t link_failure_count;
+	uint64_t invalid_crc_count;
+	uint32_t bytes_xfered;
+	uint32_t spurious_int_count;
+	uint32_t aborted_io_count;
+	uint32_t io_timeout_count;
+	uint32_t mailbox_timeout_count;
+	uint32_t seconds_since_last_intr;
+	uint32_t seconds_since_last_heartbeat;
+	uint32_t mac_index;
+
+	/* Info Needed for Management App */
+	/* --- From GetFwVersion --- */
+	uint32_t firmware_version[2];
+	uint32_t patch_number;
+	uint32_t build_number;
+	uint32_t board_id;
+
+	/* --- From Init_FW --- */
+	/* init_cb_t *init_cb; */
+	uint16_t firmware_options;
+	uint8_t alias[32];
+	uint8_t name_string[256];
+	uint8_t heartbeat_interval;
+
+	/* --- From FlashSysInfo --- */
+	uint8_t my_mac[MAC_ADDR_LEN];
+	uint8_t serial_number[16];
+	uint16_t port_num;
+	/* --- From GetFwState --- */
+	uint32_t firmware_state;
+	uint32_t addl_fw_state;
+
+	/* Linux kernel thread */
+	struct workqueue_struct *dpc_thread;
+	struct work_struct dpc_work;
+
+	/* Linux timer thread */
+	struct timer_list timer;
+	uint32_t timer_active;
+
+	/* Recovery Timers */
+	atomic_t check_relogin_timeouts;
+	uint32_t retry_reset_ha_cnt;
+	uint32_t isp_reset_timer;	/* reset test timer */
+	uint32_t nic_reset_timer;	/* simulated nic reset test timer */
+	int eh_start;
+	struct list_head free_srb_q;
+	uint16_t free_srb_q_count;
+	uint16_t num_srbs_allocated;
+
+	/* DMA Memory Block */
+	void *queues;
+	dma_addr_t queues_dma;
+	unsigned long queues_len;
+
+#define MEM_ALIGN_VALUE \
+	    ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
+	     sizeof(struct queue_entry))
+	/* request and response queue variables */
+	dma_addr_t request_dma;
+	struct queue_entry *request_ring;
+	struct queue_entry *request_ptr;
+	dma_addr_t response_dma;
+	struct queue_entry *response_ring;
+	struct queue_entry *response_ptr;
+	dma_addr_t shadow_regs_dma;
+	struct shadow_regs *shadow_regs;
+	uint16_t request_in;	/* Current indexes. */
+	uint16_t request_out;
+	uint16_t response_in;
+	uint16_t response_out;
+
+	/* aen queue variables */
+	uint16_t aen_q_count;	/* Number of available aen_q entries */
+	uint16_t aen_in;	/* Current indexes */
+	uint16_t aen_out;
+	struct aen aen_q[MAX_AEN_ENTRIES];
+
+	struct ql4_aen_log aen_log;/* tracks all aens */
+
+	/* This mutex protects several threads to do mailbox commands
+	 * concurrently.
+	 */
+	struct mutex  mbox_sem;
+
+	/* temporary mailbox status registers */
+	volatile uint8_t mbox_status_count;
+	volatile uint32_t mbox_status[MBOX_REG_COUNT];
+
+	/* FW ddb index map */
+	struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
+
+	/* Saved srb for status continuation entry processing */
+	struct srb *status_srb;
+
+	uint8_t acb_version;
+
+	/* qla82xx specific fields */
+	struct device_reg_82xx  __iomem *qla4_82xx_reg; /* Base I/O address */
+	unsigned long nx_pcibase;	/* Base I/O address */
+	uint8_t *nx_db_rd_ptr;		/* Doorbell read pointer */
+	unsigned long nx_db_wr_ptr;	/* Door bell write pointer */
+	unsigned long first_page_group_start;
+	unsigned long first_page_group_end;
+
+	uint32_t crb_win;
+	uint32_t curr_window;
+	uint32_t ddr_mn_window;
+	unsigned long mn_win_crb;
+	unsigned long ms_win_crb;
+	int qdr_sn_window;
+	rwlock_t hw_lock;
+	uint16_t func_num;
+	int link_width;
+
+	struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
+	u32 nx_crb_mask;
+
+	uint8_t revision_id;
+	uint32_t fw_heartbeat_counter;
+
+	struct isp_operations *isp_ops;
+	struct ql82xx_hw_data hw;
+
+	uint32_t nx_dev_init_timeout;
+	uint32_t nx_reset_timeout;
+	void *fw_dump;
+	uint32_t fw_dump_size;
+	uint32_t fw_dump_capture_mask;
+	void *fw_dump_tmplt_hdr;
+	uint32_t fw_dump_tmplt_size;
+	uint32_t fw_dump_skip_size;
+
+	struct completion mbx_intr_comp;
+
+	struct ipaddress_config ip_config;
+	struct iscsi_iface *iface_ipv4;
+	struct iscsi_iface *iface_ipv6_0;
+	struct iscsi_iface *iface_ipv6_1;
+
+	/* --- From About Firmware --- */
+	struct about_fw_info fw_info;
+	uint32_t fw_uptime_secs;  /* seconds elapsed since fw bootup */
+	uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */
+	uint16_t def_timeout; /* Default login timeout */
+
+	uint32_t flash_state;
+#define	QLFLASH_WAITING		0
+#define	QLFLASH_READING		1
+#define	QLFLASH_WRITING		2
+	struct dma_pool *chap_dma_pool;
+	uint8_t *chap_list; /* CHAP table cache */
+	struct mutex  chap_sem;
+
+#define CHAP_DMA_BLOCK_SIZE    512
+	struct workqueue_struct *task_wq;
+	unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
+#define SYSFS_FLAG_FW_SEL_BOOT 2
+	struct iscsi_boot_kset *boot_kset;
+	struct ql4_boot_tgt_info boot_tgt;
+	uint16_t phy_port_num;
+	uint16_t phy_port_cnt;
+	uint16_t iscsi_pci_func_cnt;
+	uint8_t model_name[16];
+	struct completion disable_acb_comp;
+	struct dma_pool *fw_ddb_dma_pool;
+#define DDB_DMA_BLOCK_SIZE 512
+	uint16_t pri_ddb_idx;
+	uint16_t sec_ddb_idx;
+	int is_reset;
+	uint16_t temperature;
+
+	/* event work list */
+	struct list_head work_list;
+	spinlock_t work_lock;
+
+	/* mbox iocb */
+#define MAX_MRB		128
+	struct mrb *active_mrb_array[MAX_MRB];
+	uint32_t mrb_index;
+
+	uint32_t *reg_tbl;
+	struct qla4_83xx_reset_template reset_tmplt;
+	struct device_reg_83xx  __iomem *qla4_83xx_reg; /* Base I/O address
+							   for ISP8324 and
+							   and ISP8042 */
+	uint32_t pf_bit;
+	struct qla4_83xx_idc_information idc_info;
+	struct addr_ctrl_blk *saved_acb;
+	int notify_idc_comp;
+	int notify_link_up_comp;
+	int idc_extend_tmo;
+	struct completion idc_comp;
+	struct completion link_up_comp;
+};
+
+struct ql4_task_data {
+	struct scsi_qla_host *ha;
+	uint8_t iocb_req_cnt;
+	dma_addr_t data_dma;
+	void *req_buffer;
+	dma_addr_t req_dma;
+	uint32_t req_len;
+	void *resp_buffer;
+	dma_addr_t resp_dma;
+	uint32_t resp_len;
+	struct iscsi_task *task;
+	struct passthru_status sts;
+	struct work_struct task_work;
+};
+
+struct qla_endpoint {
+	struct Scsi_Host *host;
+	struct sockaddr_storage dst_addr;
+};
+
+struct qla_conn {
+	struct qla_endpoint *qla_ep;
+};
+
+static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
+{
+	return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
+}
+
+static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
+{
+	return ((ha->ip_config.ipv6_options &
+		IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
+}
+
+static inline int is_qla4010(struct scsi_qla_host *ha)
+{
+	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
+}
+
+static inline int is_qla4022(struct scsi_qla_host *ha)
+{
+	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
+}
+
+static inline int is_qla4032(struct scsi_qla_host *ha)
+{
+	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
+}
+
+static inline int is_qla40XX(struct scsi_qla_host *ha)
+{
+	return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
+}
+
+static inline int is_qla8022(struct scsi_qla_host *ha)
+{
+	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
+}
+
+static inline int is_qla8032(struct scsi_qla_host *ha)
+{
+	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
+}
+
+static inline int is_qla8042(struct scsi_qla_host *ha)
+{
+	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042;
+}
+
+static inline int is_qla80XX(struct scsi_qla_host *ha)
+{
+	return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha);
+}
+
+static inline int is_aer_supported(struct scsi_qla_host *ha)
+{
+	return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
+		(ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) ||
+		(ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042));
+}
+
+static inline int adapter_up(struct scsi_qla_host *ha)
+{
+	return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
+	       (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
+	       (!test_bit(AF_LOOPBACK, &ha->flags));
+}
+
+static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
+{
+	return (struct scsi_qla_host *)iscsi_host_priv(shost);
+}
+
+static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		&ha->reg->u1.isp4010.nvram :
+		&ha->reg->u1.isp4022.semaphore);
+}
+
+static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		&ha->reg->u1.isp4010.nvram :
+		&ha->reg->u1.isp4022.nvram);
+}
+
+static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		&ha->reg->u2.isp4010.ext_hw_conf :
+		&ha->reg->u2.isp4022.p0.ext_hw_conf);
+}
+
+static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		&ha->reg->u2.isp4010.port_status :
+		&ha->reg->u2.isp4022.p0.port_status);
+}
+
+static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		&ha->reg->u2.isp4010.port_ctrl :
+		&ha->reg->u2.isp4022.p0.port_ctrl);
+}
+
+static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		&ha->reg->u2.isp4010.port_err_status :
+		&ha->reg->u2.isp4022.p0.port_err_status);
+}
+
+static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		&ha->reg->u2.isp4010.gp_out :
+		&ha->reg->u2.isp4022.p0.gp_out);
+}
+
+static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
+{
+	return (is_qla4010(ha) ?
+		offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
+		offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
+}
+
+int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
+void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
+int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
+
+static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
+{
+	if (is_qla4010(a))
+		return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
+					   QL4010_FLASH_SEM_BITS);
+	else
+		return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
+					   (QL4022_RESOURCE_BITS_BASE_CODE |
+					    (a->mac_index)) << 13);
+}
+
+static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
+{
+	if (is_qla4010(a))
+		ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
+	else
+		ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
+}
+
+static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
+{
+	if (is_qla4010(a))
+		return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
+					   QL4010_NVRAM_SEM_BITS);
+	else
+		return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
+					   (QL4022_RESOURCE_BITS_BASE_CODE |
+					    (a->mac_index)) << 10);
+}
+
+static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
+{
+	if (is_qla4010(a))
+		ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
+	else
+		ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
+}
+
+static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
+{
+	if (is_qla4010(a))
+		return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
+				       QL4010_DRVR_SEM_BITS);
+	else
+		return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
+				       (QL4022_RESOURCE_BITS_BASE_CODE |
+					(a->mac_index)) << 1);
+}
+
+static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
+{
+	if (is_qla4010(a))
+		ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
+	else
+		ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
+}
+
+static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
+{
+	return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
+	       test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
+	       test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
+	       test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
+	       test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
+	       test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
+
+}
+
+static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
+				      const uint32_t crb_reg)
+{
+	return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
+}
+
+static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
+				       const uint32_t crb_reg,
+				       const uint32_t value)
+{
+	ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
+}
+
+/*---------------------------------------------------------------------------*/
+
+/* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
+
+#define INIT_ADAPTER    0
+#define RESET_ADAPTER   1
+
+#define PRESERVE_DDB_LIST	0
+#define REBUILD_DDB_LIST	1
+
+/* Defines for process_aen() */
+#define PROCESS_ALL_AENS	 0
+#define FLUSH_DDB_CHANGED_AENS	 1
+
+/* Defines for udev events */
+#define QL4_UEVENT_CODE_FW_DUMP		0
+
+#endif	/*_QLA4XXX_H */