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-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h1085
1 files changed, 1085 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..5f82c8afd
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -0,0 +1,1085 @@
+/* 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
+
+/*
+ * Note: the data structure below does not have a struct iscsi_cmd member since
+ * the qla4xxx driver does not use libiscsi for SCSI I/O.
+ */
+struct qla4xxx_cmd_priv {
+ struct srb *srb;
+};
+
+static inline struct qla4xxx_cmd_priv *qla4xxx_cmd_priv(struct scsi_cmnd *cmd)
+{
+ return scsi_cmd_priv(cmd);
+}
+
+/*
+ * SCSI Request Block structure (srb) that is associated with each scsi_cmnd.
+ */
+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[];
+ } aen;
+ struct {
+ uint32_t status;
+ uint32_t pid;
+ uint32_t data_size;
+ uint8_t data[];
+ } 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 *); /* Context: task, can sleep */
+ void (*idc_unlock) (struct scsi_qla_host *);
+ void (*rom_lock_recovery) (struct scsi_qla_host *); /* Context: task, can sleep */
+ 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 */