d97994dc1f
The driver can typically detect port-loss during an interrupt context (i.e. via interrogation of a status IOCB's completion status [CS_PORT_LOGGED_OUT]. Due to the calling requirements of the fc_rport APIs, the driver would defer removal of the device to the default workqueue. If the work-item was preceded by an event which caused the port to obtain visibility (relogin successful, target re-logged into the topology), deferred removal could inadvertently drop the rport. The code also no longer defers removal via the default workqueue, instead opting for use of the driver's own DPC thread. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
290 lines
9.8 KiB
C
290 lines
9.8 KiB
C
/*
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* QLogic Fibre Channel HBA Driver
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* Copyright (c) 2003-2005 QLogic Corporation
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*
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* See LICENSE.qla2xxx for copyright and licensing details.
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*/
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#ifndef __QLA_GBL_H
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#define __QLA_GBL_H
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#include <linux/interrupt.h>
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extern void qla2x00_remove_one(struct pci_dev *);
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extern int qla2x00_probe_one(struct pci_dev *, struct qla_board_info *);
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/*
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* Global Function Prototypes in qla_init.c source file.
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*/
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extern int qla2x00_initialize_adapter(scsi_qla_host_t *);
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extern int qla2100_pci_config(struct scsi_qla_host *);
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extern int qla2300_pci_config(struct scsi_qla_host *);
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extern int qla24xx_pci_config(scsi_qla_host_t *);
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extern void qla2x00_reset_chip(struct scsi_qla_host *);
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extern void qla24xx_reset_chip(struct scsi_qla_host *);
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extern int qla2x00_chip_diag(struct scsi_qla_host *);
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extern int qla24xx_chip_diag(struct scsi_qla_host *);
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extern void qla2x00_config_rings(struct scsi_qla_host *);
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extern void qla24xx_config_rings(struct scsi_qla_host *);
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extern void qla2x00_reset_adapter(struct scsi_qla_host *);
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extern void qla24xx_reset_adapter(struct scsi_qla_host *);
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extern int qla2x00_nvram_config(struct scsi_qla_host *);
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extern int qla24xx_nvram_config(struct scsi_qla_host *);
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extern void qla2x00_update_fw_options(struct scsi_qla_host *);
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extern void qla24xx_update_fw_options(scsi_qla_host_t *);
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extern int qla2x00_load_risc(struct scsi_qla_host *, uint32_t *);
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extern int qla24xx_load_risc(scsi_qla_host_t *, uint32_t *);
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extern int qla24xx_load_risc_flash(scsi_qla_host_t *, uint32_t *);
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extern fc_port_t *qla2x00_alloc_fcport(scsi_qla_host_t *, gfp_t);
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extern int qla2x00_loop_resync(scsi_qla_host_t *);
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extern int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
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extern int qla2x00_fabric_login(scsi_qla_host_t *, fc_port_t *, uint16_t *);
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extern int qla2x00_local_device_login(scsi_qla_host_t *, uint16_t);
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extern void qla2x00_restart_queues(scsi_qla_host_t *, uint8_t);
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extern void qla2x00_rescan_fcports(scsi_qla_host_t *);
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extern void qla2x00_update_fcports(scsi_qla_host_t *);
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extern int qla2x00_abort_isp(scsi_qla_host_t *);
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extern void qla2x00_reg_remote_port(scsi_qla_host_t *, fc_port_t *);
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/*
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* Global Data in qla_os.c source file.
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*/
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extern char qla2x00_version_str[];
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extern int ql2xlogintimeout;
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extern int qlport_down_retry;
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extern int ql2xplogiabsentdevice;
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extern int ql2xloginretrycount;
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extern int ql2xfdmienable;
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extern int ql2xprocessrscn;
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extern void qla2x00_sp_compl(scsi_qla_host_t *, srb_t *);
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extern char *qla2x00_get_fw_version_str(struct scsi_qla_host *, char *);
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extern void qla2x00_cmd_timeout(srb_t *);
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extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int, int);
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extern void qla2x00_mark_all_devices_lost(scsi_qla_host_t *, int);
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extern void qla2x00_blink_led(scsi_qla_host_t *);
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extern int qla2x00_down_timeout(struct semaphore *, unsigned long);
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extern struct fw_blob *qla2x00_request_firmware(scsi_qla_host_t *);
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/*
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* Global Function Prototypes in qla_iocb.c source file.
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*/
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extern void qla2x00_isp_cmd(scsi_qla_host_t *);
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extern uint16_t qla2x00_calc_iocbs_32(uint16_t);
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extern uint16_t qla2x00_calc_iocbs_64(uint16_t);
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extern void qla2x00_build_scsi_iocbs_32(srb_t *, cmd_entry_t *, uint16_t);
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extern void qla2x00_build_scsi_iocbs_64(srb_t *, cmd_entry_t *, uint16_t);
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extern int qla2x00_start_scsi(srb_t *sp);
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extern int qla24xx_start_scsi(srb_t *sp);
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int qla2x00_marker(scsi_qla_host_t *, uint16_t, uint16_t, uint8_t);
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int __qla2x00_marker(scsi_qla_host_t *, uint16_t, uint16_t, uint8_t);
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/*
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* Global Function Prototypes in qla_mbx.c source file.
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*/
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extern int
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qla2x00_load_ram(scsi_qla_host_t *, dma_addr_t, uint32_t, uint32_t);
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extern int
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qla2x00_execute_fw(scsi_qla_host_t *, uint32_t);
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extern void
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qla2x00_get_fw_version(scsi_qla_host_t *, uint16_t *,
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uint16_t *, uint16_t *, uint16_t *, uint32_t *);
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extern int
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qla2x00_get_fw_options(scsi_qla_host_t *, uint16_t *);
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extern int
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qla2x00_set_fw_options(scsi_qla_host_t *, uint16_t *);
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extern int
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qla2x00_mbx_reg_test(scsi_qla_host_t *);
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extern int
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qla2x00_verify_checksum(scsi_qla_host_t *, uint32_t);
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extern int
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qla2x00_issue_iocb(scsi_qla_host_t *, void *, dma_addr_t, size_t);
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extern int
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qla2x00_abort_command(scsi_qla_host_t *, srb_t *);
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#if USE_ABORT_TGT
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extern int
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qla2x00_abort_target(fc_port_t *);
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#endif
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extern int
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qla2x00_get_adapter_id(scsi_qla_host_t *, uint16_t *, uint8_t *, uint8_t *,
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uint8_t *, uint16_t *);
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extern int
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qla2x00_get_retry_cnt(scsi_qla_host_t *, uint8_t *, uint8_t *, uint16_t *);
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extern int
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qla2x00_init_firmware(scsi_qla_host_t *, uint16_t);
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extern int
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qla2x00_get_port_database(scsi_qla_host_t *, fc_port_t *, uint8_t);
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extern int
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qla2x00_get_firmware_state(scsi_qla_host_t *, uint16_t *);
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extern int
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qla2x00_get_port_name(scsi_qla_host_t *, uint16_t, uint8_t *, uint8_t);
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extern int
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qla2x00_lip_reset(scsi_qla_host_t *);
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extern int
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qla2x00_send_sns(scsi_qla_host_t *, dma_addr_t, uint16_t, size_t);
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extern int
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qla2x00_login_fabric(scsi_qla_host_t *, uint16_t, uint8_t, uint8_t, uint8_t,
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uint16_t *, uint8_t);
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extern int
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qla24xx_login_fabric(scsi_qla_host_t *, uint16_t, uint8_t, uint8_t, uint8_t,
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uint16_t *, uint8_t);
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extern int
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qla2x00_login_local_device(scsi_qla_host_t *, uint16_t, uint16_t *, uint8_t);
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extern int
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qla2x00_fabric_logout(scsi_qla_host_t *, uint16_t, uint8_t, uint8_t, uint8_t);
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extern int
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qla24xx_fabric_logout(scsi_qla_host_t *, uint16_t, uint8_t, uint8_t, uint8_t);
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extern int
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qla2x00_full_login_lip(scsi_qla_host_t *ha);
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extern int
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qla2x00_get_id_list(scsi_qla_host_t *, void *, dma_addr_t, uint16_t *);
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extern int
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qla2x00_get_resource_cnts(scsi_qla_host_t *, uint16_t *, uint16_t *, uint16_t *,
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uint16_t *);
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extern int
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qla2x00_get_fcal_position_map(scsi_qla_host_t *ha, char *pos_map);
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extern int qla24xx_abort_command(scsi_qla_host_t *, srb_t *);
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extern int qla24xx_abort_target(fc_port_t *);
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extern int qla2x00_system_error(scsi_qla_host_t *);
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extern int
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qla2x00_get_serdes_params(scsi_qla_host_t *, uint16_t *, uint16_t *,
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uint16_t *);
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extern int
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qla2x00_set_serdes_params(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
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extern int
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qla2x00_stop_firmware(scsi_qla_host_t *);
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/*
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* Global Function Prototypes in qla_isr.c source file.
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*/
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extern irqreturn_t qla2100_intr_handler(int, void *, struct pt_regs *);
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extern irqreturn_t qla2300_intr_handler(int, void *, struct pt_regs *);
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extern irqreturn_t qla24xx_intr_handler(int, void *, struct pt_regs *);
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extern void qla2x00_process_response_queue(struct scsi_qla_host *);
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extern void qla24xx_process_response_queue(struct scsi_qla_host *);
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/*
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* Global Function Prototypes in qla_sup.c source file.
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*/
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extern void qla2x00_lock_nvram_access(scsi_qla_host_t *);
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extern void qla2x00_unlock_nvram_access(scsi_qla_host_t *);
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extern void qla2x00_release_nvram_protection(scsi_qla_host_t *);
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extern uint16_t qla2x00_get_nvram_word(scsi_qla_host_t *, uint32_t);
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extern void qla2x00_write_nvram_word(scsi_qla_host_t *, uint32_t, uint16_t);
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extern uint32_t *qla24xx_read_flash_data(scsi_qla_host_t *, uint32_t *,
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uint32_t, uint32_t);
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extern uint8_t *qla2x00_read_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
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uint32_t);
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extern uint8_t *qla24xx_read_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
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uint32_t);
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extern int qla2x00_write_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
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uint32_t);
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extern int qla24xx_write_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
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uint32_t);
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/*
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* Global Function Prototypes in qla_dbg.c source file.
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*/
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extern void qla2100_fw_dump(scsi_qla_host_t *, int);
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extern void qla2300_fw_dump(scsi_qla_host_t *, int);
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extern void qla24xx_fw_dump(scsi_qla_host_t *, int);
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extern void qla2100_ascii_fw_dump(scsi_qla_host_t *);
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extern void qla2300_ascii_fw_dump(scsi_qla_host_t *);
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extern void qla24xx_ascii_fw_dump(scsi_qla_host_t *);
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extern void qla2x00_dump_regs(scsi_qla_host_t *);
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extern void qla2x00_dump_buffer(uint8_t *, uint32_t);
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extern void qla2x00_print_scsi_cmd(struct scsi_cmnd *);
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extern void qla2x00_dump_pkt(void *);
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/*
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* Global Function Prototypes in qla_gs.c source file.
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*/
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extern void *qla2x00_prep_ms_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
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extern void *qla24xx_prep_ms_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
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extern int qla2x00_ga_nxt(scsi_qla_host_t *, fc_port_t *);
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extern int qla2x00_gid_pt(scsi_qla_host_t *, sw_info_t *);
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extern int qla2x00_gpn_id(scsi_qla_host_t *, sw_info_t *);
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extern int qla2x00_gnn_id(scsi_qla_host_t *, sw_info_t *);
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extern int qla2x00_rft_id(scsi_qla_host_t *);
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extern int qla2x00_rff_id(scsi_qla_host_t *);
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extern int qla2x00_rnn_id(scsi_qla_host_t *);
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extern int qla2x00_rsnn_nn(scsi_qla_host_t *);
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extern void *qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
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extern void *qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
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extern int qla2x00_fdmi_register(scsi_qla_host_t *);
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/*
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* Global Function Prototypes in qla_rscn.c source file.
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*/
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extern fc_port_t *qla2x00_alloc_rscn_fcport(scsi_qla_host_t *, gfp_t);
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extern int qla2x00_handle_port_rscn(scsi_qla_host_t *, uint32_t, fc_port_t *,
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int);
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extern void qla2x00_process_iodesc(scsi_qla_host_t *, struct mbx_entry *);
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extern void qla2x00_cancel_io_descriptors(scsi_qla_host_t *);
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/*
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* Global Function Prototypes in qla_xioctl.c source file.
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*/
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#define qla2x00_enqueue_aen(ha, cmd, mode) do { } while (0)
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#define qla2x00_alloc_ioctl_mem(ha) (0)
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#define qla2x00_free_ioctl_mem(ha) do { } while (0)
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/*
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* Global Function Prototypes in qla_attr.c source file.
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*/
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struct class_device_attribute;
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extern struct class_device_attribute *qla2x00_host_attrs[];
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struct fc_function_template;
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extern struct fc_function_template qla2xxx_transport_functions;
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extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
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extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
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extern void qla2x00_init_host_attr(scsi_qla_host_t *);
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extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
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extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
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#endif /* _QLA_GBL_H */
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