cregit-Linux how code gets into the kernel

Release 4.7 drivers/scsi/qla4xxx/ql4_def.h

/*
 * QLogic iSCSI HBA Driver
 * Copyright (c)  2003-2013 QLogic Corporation
 *
 * See LICENSE.qla4xxx for copyright and licensing details.
 */

#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 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_DEFAULT	0x00

#define QLA_MSIX_RSP_Q		0x01


#define QLA_MSIX_ENTRIES	2

#define QLA_MIDX_DEFAULT	0

#define QLA_MIDX_RSP_Q		1


struct ql4_msix_entry {
	
int have_irq;
	
uint16_t msix_vector;
	
uint16_t msix_entry;
};

/*
 * 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_INTx_ENABLED			15 /* 0x00008000 */

#define AF_MSI_ENABLED			16 /* 0x00010000 */

#define AF_MSIX_ENABLED			17 /* 0x00020000 */

#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;

	
struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];

	
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); }

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vikas chaudharyvikas chaudhary27100.00%2100.00%
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static inline int is_ipv6_enabled(struct scsi_qla_host *ha) { return ((ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0); }

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vikas chaudharyvikas chaudhary27100.00%2100.00%
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static inline int is_qla4010(struct scsi_qla_host *ha) { return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010; }

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david somayajuludavid somayajulu21100.00%1100.00%
Total21100.00%1100.00%


static inline int is_qla4022(struct scsi_qla_host *ha) { return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022; }

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david somayajuludavid somayajulu21100.00%1100.00%
Total21100.00%1100.00%


static inline int is_qla4032(struct scsi_qla_host *ha) { return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032; }

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david somayajuludavid somayajulu21100.00%1100.00%
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static inline int is_qla40XX(struct scsi_qla_host *ha) { return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha); }

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lalit chandivadelalit chandivade28100.00%1100.00%
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static inline int is_qla8022(struct scsi_qla_host *ha) { return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022; }

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vikas chaudharyvikas chaudhary21100.00%1100.00%
Total21100.00%1100.00%


static inline int is_qla8032(struct scsi_qla_host *ha) { return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324; }

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vikas chaudharyvikas chaudhary21100.00%1100.00%
Total21100.00%1100.00%


static inline int is_qla8042(struct scsi_qla_host *ha) { return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042; }

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vikas chaudharyvikas chaudhary21100.00%1100.00%
Total21100.00%1100.00%


static inline int is_qla80XX(struct scsi_qla_host *ha) { return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha); }

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vikas chaudharyvikas chaudhary28100.00%2100.00%
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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)); }

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lalit chandivadelalit chandivade2146.67%133.33%
vikas chaudharyvikas chaudhary1431.11%133.33%
tej parkashtej parkash1022.22%133.33%
Total45100.00%3100.00%


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)); }

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david somayajuludavid somayajulu4175.93%150.00%
nilesh javalinilesh javali1324.07%150.00%
Total54100.00%2100.00%


static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost) { return (struct scsi_qla_host *)iscsi_host_priv(shost); }

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david somayajuludavid somayajulu2288.00%150.00%
manish rangankarmanish rangankar312.00%150.00%
Total25100.00%2100.00%


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); }

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david somayajuludavid somayajulu44100.00%2100.00%
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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); }

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david somayajuludavid somayajulu44100.00%2100.00%
Total44100.00%2100.00%


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); }

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david somayajuludavid somayajulu46100.00%2100.00%
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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); }

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david somayajuludavid somayajulu46100.00%2100.00%
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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); }

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david somayajuludavid somayajulu46100.00%2100.00%
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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); }

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david somayajuludavid somayajulu46100.00%2100.00%
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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); }

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david somayajuludavid somayajulu46100.00%2100.00%
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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); }

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david somayajuludavid somayajulu44100.00%2100.00%
Total44100.00%2100.00%

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); }

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david somayajuludavid somayajulu50100.00%2100.00%
Total50100.00%2100.00%


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); }

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david somayajuludavid somayajulu34100.00%2100.00%
Total34100.00%2100.00%


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); }

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david somayajuludavid somayajulu50100.00%2100.00%
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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); }

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david somayajuludavid somayajulu34100.00%2100.00%
Total34100.00%2100.00%


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); }

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david somayajuludavid somayajulu50100.00%2100.00%
Total50100.00%2100.00%


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); }

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david somayajuludavid somayajulu34100.00%2100.00%
Total34100.00%2100.00%


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); }

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harish zunjarraoharish zunjarrao73100.00%1100.00%
Total73100.00%1100.00%


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]); }

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vikas chaudharyvikas chaudhary33100.00%1100.00%
Total33100.00%1100.00%


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); }

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vikas chaudharyvikas chaudhary38100.00%1100.00%
Total38100.00%1100.00%

/*---------------------------------------------------------------------------*/ /* 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 */

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david somayajuludavid somayajulu184246.55%34.35%
vikas chaudharyvikas chaudhary119330.15%2739.13%
manish rangankarmanish rangankar2576.49%811.59%
harish zunjarraoharish zunjarrao1814.57%34.35%
mike christiemike christie1704.30%11.45%
lalit chandivadelalit chandivade802.02%34.35%
tej parkashtej parkash761.92%45.80%
nilesh javalinilesh javali581.47%710.14%
adheer chandravanshiadheer chandravanshi531.34%34.35%
karen higginskaren higgins330.83%34.35%
shyam sundershyam sunder40.10%11.45%
michael hernandezmichael hernandez30.08%11.45%
eric dumazeteric dumazet30.08%11.45%
lucas de marchilucas de marchi10.03%11.45%
ravi anandravi anand10.03%11.45%
prasanna mumbaiprasanna mumbai10.03%11.45%
joe perchesjoe perches10.03%11.45%
Total3957100.00%69100.00%
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