/*
- * This file is part of the zfcp device driver for
- * FCP adapters for IBM System z9 and zSeries.
+ * zfcp device driver
*
- * (C) Copyright IBM Corp. 2002, 2006
+ * Global definitions for the zfcp device driver.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Copyright IBM Corporation 2002, 2008
*/
#ifndef ZFCP_DEF_H
#include <linux/init.h>
#include <linux/moduleparam.h>
-#include <linux/miscdevice.h>
#include <linux/major.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
/********************* GENERAL DEFINES *********************************/
-/* zfcp version number, it consists of major, minor, and patch-level number */
-#define ZFCP_VERSION "4.8.0"
-
/**
* zfcp_sg_to_address - determine kernel address from struct scatterlist
* @list: struct scatterlist
#define ZFCP_DEVICE_MODEL 0x03
#define ZFCP_DEVICE_MODEL_PRIV 0x04
-/* allow as many chained SBALs as are supported by hardware */
-#define ZFCP_MAX_SBALS_PER_REQ FSF_MAX_SBALS_PER_REQ
-#define ZFCP_MAX_SBALS_PER_CT_REQ FSF_MAX_SBALS_PER_REQ
-#define ZFCP_MAX_SBALS_PER_ELS_REQ FSF_MAX_SBALS_PER_ELS_REQ
-
/* DMQ bug workaround: don't use last SBALE */
#define ZFCP_MAX_SBALES_PER_SBAL (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
/* max. number of (data buffer) SBALEs in largest SBAL chain */
#define ZFCP_MAX_SBALES_PER_REQ \
- (ZFCP_MAX_SBALS_PER_REQ * ZFCP_MAX_SBALES_PER_SBAL - 2)
+ (FSF_MAX_SBALS_PER_REQ * ZFCP_MAX_SBALES_PER_SBAL - 2)
/* request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */
#define ZFCP_MAX_SECTORS (ZFCP_MAX_SBALES_PER_REQ * 8)
/* max. number of (data buffer) SBALEs in largest SBAL chain
multiplied with number of sectors per 4k block */
-/* FIXME(tune): free space should be one max. SBAL chain plus what? */
-#define ZFCP_QDIO_PCI_INTERVAL (QDIO_MAX_BUFFERS_PER_Q \
- - (ZFCP_MAX_SBALS_PER_REQ + 4))
-
-#define ZFCP_SBAL_TIMEOUT (5*HZ)
-
-#define ZFCP_TYPE2_RECOVERY_TIME 8 /* seconds */
-
-/* queue polling (values in microseconds) */
-#define ZFCP_MAX_INPUT_THRESHOLD 5000 /* FIXME: tune */
-#define ZFCP_MAX_OUTPUT_THRESHOLD 1000 /* FIXME: tune */
-#define ZFCP_MIN_INPUT_THRESHOLD 1 /* ignored by QDIO layer */
-#define ZFCP_MIN_OUTPUT_THRESHOLD 1 /* ignored by QDIO layer */
-
-#define QDIO_SCSI_QFMT 1 /* 1 for FSF */
-#define QBUFF_PER_PAGE (PAGE_SIZE / sizeof(struct qdio_buffer))
-
/********************* FSF SPECIFIC DEFINES *********************************/
-#define ZFCP_ULP_INFO_VERSION 26
-#define ZFCP_QTCB_VERSION FSF_QTCB_CURRENT_VERSION
/* ATTENTION: value must not be used by hardware */
#define FSF_QTCB_UNSOLICITED_STATUS 0x6305
-#define ZFCP_STATUS_READ_FAILED_THRESHOLD 3
-#define ZFCP_STATUS_READS_RECOM FSF_STATUS_READS_RECOM
-
-/* Do 1st retry in 1 second, then double the timeout for each following retry */
-#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP 1
-#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 7
/* timeout value for "default timer" for fsf requests */
#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ)
/* data length field may be at variable position in FCP-2 FCP_CMND IU */
typedef unsigned int fcp_dl_t;
-#define ZFCP_FC_SERVICE_CLASS_DEFAULT FSF_CLASS_3
-
/* timeout for name-server lookup (in seconds) */
#define ZFCP_NS_GID_PN_TIMEOUT 10
-/* largest SCSI command we can process */
-/* FCP-2 (FCP_CMND IU) allows up to (255-3+16) */
-#define ZFCP_MAX_SCSI_CMND_LENGTH 255
-/* maximum number of commands in LUN queue (tagged queueing) */
-#define ZFCP_CMND_PER_LUN 32
-
/* task attribute values in FCP-2 FCP_CMND IU */
#define SIMPLE_Q 0
#define HEAD_OF_Q 1
#define RSP_CODE_TASKMAN_FAILED 5
/* see fc-fs */
-#define LS_RSCN 0x61040000
-#define LS_LOGO 0x05000000
-#define LS_PLOGI 0x03000000
+#define LS_RSCN 0x61
+#define LS_LOGO 0x05
+#define LS_PLOGI 0x03
struct fcp_rscn_head {
u8 command;
* FC-FS stuff
*/
#define R_A_TOV 10 /* seconds */
-#define ZFCP_ELS_TIMEOUT (2 * R_A_TOV)
#define ZFCP_LS_RLS 0x0f
#define ZFCP_LS_ADISC 0x52
#define ZFCP_CT_DIRECTORY_SERVICE 0xFC
#define ZFCP_CT_NAME_SERVER 0x02
#define ZFCP_CT_SYNCHRONOUS 0x00
+#define ZFCP_CT_SCSI_FCP 0x08
+#define ZFCP_CT_UNABLE_TO_PERFORM_CMD 0x09
#define ZFCP_CT_GID_PN 0x0121
+#define ZFCP_CT_GPN_FT 0x0172
#define ZFCP_CT_MAX_SIZE 0x1020
#define ZFCP_CT_ACCEPT 0x8002
#define ZFCP_CT_REJECT 0x8001
*/
#define ZFCP_CT_TIMEOUT (3 * R_A_TOV)
-/******************** LOGGING MACROS AND DEFINES *****************************/
-
-/*
- * Logging may be applied on certain kinds of driver operations
- * independently. Additionally, different log-levels are supported for
- * each of these areas.
- */
-
-#define ZFCP_NAME "zfcp"
-
-/* independent log areas */
-#define ZFCP_LOG_AREA_OTHER 0
-#define ZFCP_LOG_AREA_SCSI 1
-#define ZFCP_LOG_AREA_FSF 2
-#define ZFCP_LOG_AREA_CONFIG 3
-#define ZFCP_LOG_AREA_CIO 4
-#define ZFCP_LOG_AREA_QDIO 5
-#define ZFCP_LOG_AREA_ERP 6
-#define ZFCP_LOG_AREA_FC 7
-
-/* log level values*/
-#define ZFCP_LOG_LEVEL_NORMAL 0
-#define ZFCP_LOG_LEVEL_INFO 1
-#define ZFCP_LOG_LEVEL_DEBUG 2
-#define ZFCP_LOG_LEVEL_TRACE 3
-
-/*
- * this allows removal of logging code by the preprocessor
- * (the most detailed log level still to be compiled in is specified,
- * higher log levels are removed)
- */
-#define ZFCP_LOG_LEVEL_LIMIT ZFCP_LOG_LEVEL_TRACE
-
-/* get "loglevel" nibble assignment */
-#define ZFCP_GET_LOG_VALUE(zfcp_lognibble) \
- ((atomic_read(&zfcp_data.loglevel) >> (zfcp_lognibble<<2)) & 0xF)
-
-/* set "loglevel" nibble */
-#define ZFCP_SET_LOG_NIBBLE(value, zfcp_lognibble) \
- (value << (zfcp_lognibble << 2))
-
-/* all log-level defaults are combined to generate initial log-level */
-#define ZFCP_LOG_LEVEL_DEFAULTS \
- (ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_OTHER) | \
- ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_SCSI) | \
- ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_FSF) | \
- ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_CONFIG) | \
- ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_CIO) | \
- ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_QDIO) | \
- ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_ERP) | \
- ZFCP_SET_LOG_NIBBLE(ZFCP_LOG_LEVEL_NORMAL, ZFCP_LOG_AREA_FC))
-
-/* check whether we have the right level for logging */
-#define ZFCP_LOG_CHECK(level) \
- ((ZFCP_GET_LOG_VALUE(ZFCP_LOG_AREA)) >= level)
-
-/* logging routine for zfcp */
-#define _ZFCP_LOG(fmt, args...) \
- printk(KERN_ERR ZFCP_NAME": %s(%d): " fmt, __func__, \
- __LINE__ , ##args)
-
-#define ZFCP_LOG(level, fmt, args...) \
-do { \
- if (ZFCP_LOG_CHECK(level)) \
- _ZFCP_LOG(fmt, ##args); \
-} while (0)
-
-#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_NORMAL
-# define ZFCP_LOG_NORMAL(fmt, args...) do { } while (0)
-#else
-# define ZFCP_LOG_NORMAL(fmt, args...) \
-do { \
- if (ZFCP_LOG_CHECK(ZFCP_LOG_LEVEL_NORMAL)) \
- printk(KERN_ERR ZFCP_NAME": " fmt, ##args); \
-} while (0)
-#endif
-
-#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_INFO
-# define ZFCP_LOG_INFO(fmt, args...) do { } while (0)
-#else
-# define ZFCP_LOG_INFO(fmt, args...) \
-do { \
- if (ZFCP_LOG_CHECK(ZFCP_LOG_LEVEL_INFO)) \
- printk(KERN_ERR ZFCP_NAME": " fmt, ##args); \
-} while (0)
-#endif
-
-#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_DEBUG
-# define ZFCP_LOG_DEBUG(fmt, args...) do { } while (0)
-#else
-# define ZFCP_LOG_DEBUG(fmt, args...) \
- ZFCP_LOG(ZFCP_LOG_LEVEL_DEBUG, fmt , ##args)
-#endif
-
-#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_TRACE
-# define ZFCP_LOG_TRACE(fmt, args...) do { } while (0)
-#else
-# define ZFCP_LOG_TRACE(fmt, args...) \
- ZFCP_LOG(ZFCP_LOG_LEVEL_TRACE, fmt , ##args)
-#endif
-
/*************** ADAPTER/PORT/UNIT AND FSF_REQ STATUS FLAGS ******************/
/*
#define ZFCP_STATUS_COMMON_ERP_INUSE 0x01000000
#define ZFCP_STATUS_COMMON_ACCESS_DENIED 0x00800000
#define ZFCP_STATUS_COMMON_ACCESS_BOXED 0x00400000
+#define ZFCP_STATUS_COMMON_NOESC 0x00200000
/* adapter status */
#define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002
#define ZFCP_STATUS_FSFREQ_RETRY 0x00000800
#define ZFCP_STATUS_FSFREQ_DISMISSED 0x00001000
-/*********************** ERROR RECOVERY PROCEDURE DEFINES ********************/
-
-#define ZFCP_MAX_ERPS 3
-
-#define ZFCP_ERP_FSFREQ_TIMEOUT (30 * HZ)
-#define ZFCP_ERP_MEMWAIT_TIMEOUT HZ
-
-#define ZFCP_STATUS_ERP_TIMEDOUT 0x10000000
-#define ZFCP_STATUS_ERP_CLOSE_ONLY 0x01000000
-#define ZFCP_STATUS_ERP_DISMISSING 0x00100000
-#define ZFCP_STATUS_ERP_DISMISSED 0x00200000
-#define ZFCP_STATUS_ERP_LOWMEM 0x00400000
-
-#define ZFCP_ERP_STEP_UNINITIALIZED 0x00000000
-#define ZFCP_ERP_STEP_FSF_XCONFIG 0x00000001
-#define ZFCP_ERP_STEP_PHYS_PORT_CLOSING 0x00000010
-#define ZFCP_ERP_STEP_PORT_CLOSING 0x00000100
-#define ZFCP_ERP_STEP_NAMESERVER_OPEN 0x00000200
-#define ZFCP_ERP_STEP_NAMESERVER_LOOKUP 0x00000400
-#define ZFCP_ERP_STEP_PORT_OPENING 0x00000800
-#define ZFCP_ERP_STEP_UNIT_CLOSING 0x00001000
-#define ZFCP_ERP_STEP_UNIT_OPENING 0x00002000
-
-/* Ordered by escalation level (necessary for proper erp-code operation) */
-#define ZFCP_ERP_ACTION_REOPEN_ADAPTER 0x4
-#define ZFCP_ERP_ACTION_REOPEN_PORT_FORCED 0x3
-#define ZFCP_ERP_ACTION_REOPEN_PORT 0x2
-#define ZFCP_ERP_ACTION_REOPEN_UNIT 0x1
-
-#define ZFCP_ERP_ACTION_RUNNING 0x1
-#define ZFCP_ERP_ACTION_READY 0x2
-
-#define ZFCP_ERP_SUCCEEDED 0x0
-#define ZFCP_ERP_FAILED 0x1
-#define ZFCP_ERP_CONTINUES 0x2
-#define ZFCP_ERP_EXIT 0x3
-#define ZFCP_ERP_DISMISSED 0x4
-#define ZFCP_ERP_NOMEM 0x5
-
-
-/******************** CFDC SPECIFIC STUFF *****************************/
-
-/* Firewall data channel sense data record */
-struct zfcp_cfdc_sense_data {
- u32 signature; /* Request signature */
- u32 devno; /* FCP adapter device number */
- u32 command; /* Command code */
- u32 fsf_status; /* FSF request status and status qualifier */
- u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
- u8 payloads[256]; /* Access conflicts list */
- u8 control_file[0]; /* Access control table */
-};
-
-#define ZFCP_CFDC_SIGNATURE 0xCFDCACDF
-
-#define ZFCP_CFDC_CMND_DOWNLOAD_NORMAL 0x00010001
-#define ZFCP_CFDC_CMND_DOWNLOAD_FORCE 0x00010101
-#define ZFCP_CFDC_CMND_FULL_ACCESS 0x00000201
-#define ZFCP_CFDC_CMND_RESTRICTED_ACCESS 0x00000401
-#define ZFCP_CFDC_CMND_UPLOAD 0x00010002
-
-#define ZFCP_CFDC_DOWNLOAD 0x00000001
-#define ZFCP_CFDC_UPLOAD 0x00000002
-#define ZFCP_CFDC_WITH_CONTROL_FILE 0x00010000
-
-#define ZFCP_CFDC_DEV_NAME "zfcp_cfdc"
-#define ZFCP_CFDC_DEV_MAJOR MISC_MAJOR
-#define ZFCP_CFDC_DEV_MINOR MISC_DYNAMIC_MINOR
-
-#define ZFCP_CFDC_MAX_CONTROL_FILE_SIZE 127 * 1024
-
/************************* STRUCTURE DEFINITIONS *****************************/
struct zfcp_fsf_req;
* @resp_count: number of elements in response scatter-gather list
* @handler: handler function (called for response to the request)
* @handler_data: data passed to handler function
- * @pool: pointer to memory pool for ct request structure
* @timeout: FSF timeout for this request
* @completion: completion for synchronization purposes
* @status: used to pass error status to calling function
unsigned int resp_count;
zfcp_send_ct_handler_t handler;
unsigned long handler_data;
- mempool_t *pool;
int timeout;
struct completion *completion;
int status;
};
struct zfcp_qdio_queue {
- struct qdio_buffer *buffer[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */
- u8 free_index; /* index of next free bfr
+ struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */
+ u8 first; /* index of next free bfr
in queue (free_count>0) */
- atomic_t free_count; /* number of free buffers
+ atomic_t count; /* number of free buffers
in queue */
- rwlock_t queue_lock; /* lock for operations on queue */
- int distance_from_int; /* SBALs used since PCI indication
+ spinlock_t lock; /* lock for operations on queue */
+ int pci_batch; /* SBALs since PCI indication
was last set */
};
struct timer_list timer;
};
+struct fsf_latency_record {
+ u32 min;
+ u32 max;
+ u64 sum;
+};
+
+struct latency_cont {
+ struct fsf_latency_record channel;
+ struct fsf_latency_record fabric;
+ u64 counter;
+};
+
+struct zfcp_latencies {
+ struct latency_cont read;
+ struct latency_cont write;
+ struct latency_cont cmd;
+ spinlock_t lock;
+};
struct zfcp_adapter {
struct list_head list; /* list of adapters */
u32 adapter_features; /* FCP channel features */
u32 connection_features; /* host connection features */
u32 hardware_version; /* of FCP channel */
+ u16 timer_ticks; /* time int for a tick */
struct Scsi_Host *scsi_host; /* Pointer to mid-layer */
struct list_head port_list_head; /* remote port list */
struct list_head port_remove_lh; /* head of ports to be
removed */
u32 ports; /* number of remote ports */
- atomic_t reqs_active; /* # active FSF reqs */
unsigned long req_no; /* unique FSF req number */
struct list_head *req_list; /* list of pending reqs */
spinlock_t req_list_lock; /* request list lock */
- struct zfcp_qdio_queue request_queue; /* request queue */
+ struct zfcp_qdio_queue req_q; /* request queue */
u32 fsf_req_seq_no; /* FSF cmnd seq number */
wait_queue_head_t request_wq; /* can be used to wait for
more avaliable SBALs */
- struct zfcp_qdio_queue response_queue; /* response queue */
+ struct zfcp_qdio_queue resp_q; /* response queue */
rwlock_t abort_lock; /* Protects against SCSI
stack abort/command
completion races */
- u16 status_read_failed; /* # failed status reads */
+ atomic_t stat_miss; /* # missing status reads*/
+ struct work_struct stat_work;
atomic_t status; /* status of this adapter */
struct list_head erp_ready_head; /* error recovery for this
adapter/devices */
struct fc_host_statistics *fc_stats;
struct fsf_qtcb_bottom_port *stats_reset_data;
unsigned long stats_reset;
+ struct work_struct scan_work;
};
-/*
- * the struct device sysfs_device must be at the beginning of this structure.
- * pointer to struct device is used to free port structure in release function
- * of the device. don't change!
- */
struct zfcp_port {
struct device sysfs_device; /* sysfs device */
struct fc_rport *rport; /* rport of fc transport class */
u32 supported_classes;
};
-/* the struct device sysfs_device must be at the beginning of this structure.
- * pointer to struct device is used to free unit structure in release function
- * of the device. don't change!
- */
struct zfcp_unit {
struct device sysfs_device; /* sysfs device */
struct list_head list; /* list of logical units */
struct scsi_device *device; /* scsi device struct pointer */
struct zfcp_erp_action erp_action; /* pending error recovery */
atomic_t erp_counter;
+ struct zfcp_latencies latencies;
};
/* FSF request */
struct zfcp_adapter *adapter; /* adapter request belongs to */
u8 sbal_number; /* nr of SBALs free for use */
u8 sbal_first; /* first SBAL for this request */
- u8 sbal_last; /* last possible SBAL for
+ u8 sbal_last; /* last SBAL for this request */
+ u8 sbal_limit; /* last possible SBAL for
this reuest */
- u8 sbal_curr; /* current SBAL during creation
- of request */
u8 sbale_curr; /* current SBALE during creation
of request */
+ u8 sbal_response; /* SBAL used in interrupt */
wait_queue_head_t completion_wq; /* can be used by a routine
to wait for completion */
volatile u32 status; /* status of this request */
u32 fsf_command; /* FSF Command copy */
struct fsf_qtcb *qtcb; /* address of associated QTCB */
u32 seq_no; /* Sequence number of request */
- unsigned long data; /* private data of request */
+ void *data; /* private data of request */
struct timer_list timer; /* used for erp or scsi er */
struct zfcp_erp_action *erp_action; /* used if this request is
issued on behalf of erp */
from emergency pool */
unsigned long long issued; /* request sent time (STCK) */
struct zfcp_unit *unit;
+ void (*handler)(struct zfcp_fsf_req *);
};
-typedef void zfcp_fsf_req_handler_t(struct zfcp_fsf_req*);
-
/* driver data */
struct zfcp_data {
struct scsi_host_template scsi_host_template;
char init_busid[BUS_ID_SIZE];
wwn_t init_wwpn;
fcp_lun_t init_fcp_lun;
- char *driver_version;
struct kmem_cache *fsf_req_qtcb_cache;
struct kmem_cache *sr_buffer_cache;
struct kmem_cache *gid_pn_cache;
};
-/**
- * struct zfcp_sg_list - struct describing a scatter-gather list
- * @sg: pointer to array of (struct scatterlist)
- * @count: number of elements in scatter-gather list
- */
-struct zfcp_sg_list {
- struct scatterlist *sg;
- unsigned int count;
-};
-
-/* number of elements for various memory pools */
-#define ZFCP_POOL_FSF_REQ_ERP_NR 1
-#define ZFCP_POOL_FSF_REQ_SCSI_NR 1
-#define ZFCP_POOL_FSF_REQ_ABORT_NR 1
-#define ZFCP_POOL_STATUS_READ_NR ZFCP_STATUS_READS_RECOM
-#define ZFCP_POOL_DATA_GID_PN_NR 1
-
/* struct used by memory pools for fsf_requests */
struct zfcp_fsf_req_qtcb {
struct zfcp_fsf_req fsf_req;
/********************** ZFCP SPECIFIC DEFINES ********************************/
#define ZFCP_REQ_AUTO_CLEANUP 0x00000002
-#define ZFCP_WAIT_FOR_SBAL 0x00000004
#define ZFCP_REQ_NO_QTCB 0x00000008
#define ZFCP_SET 0x00000100
((atomic_read(target) & mask) == mask)
#endif
-extern void _zfcp_hex_dump(char *, int);
-#define ZFCP_HEX_DUMP(level, addr, count) \
- if (ZFCP_LOG_CHECK(level)) { \
- _zfcp_hex_dump(addr, count); \
- }
-
#define zfcp_get_busid_by_adapter(adapter) (adapter->ccw_device->dev.bus_id)
#define zfcp_get_busid_by_port(port) (zfcp_get_busid_by_adapter(port->adapter))
#define zfcp_get_busid_by_unit(unit) (zfcp_get_busid_by_port(unit->port))
return req_id % REQUEST_LIST_SIZE;
}
-static inline void zfcp_reqlist_add(struct zfcp_adapter *adapter,
- struct zfcp_fsf_req *fsf_req)
-{
- unsigned int idx;
-
- idx = zfcp_reqlist_hash(fsf_req->req_id);
- list_add_tail(&fsf_req->list, &adapter->req_list[idx]);
-}
-
static inline void zfcp_reqlist_remove(struct zfcp_adapter *adapter,
struct zfcp_fsf_req *fsf_req)
{
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