/*
- *
- * linux/drivers/s390/scsi/zfcp_def.h
- *
- * FCP adapter driver for IBM eServer zSeries
- *
- * (C) Copyright IBM Corp. 2002, 2004
+ * This file is part of the zfcp device driver for
+ * FCP adapters for IBM System z9 and zSeries.
*
- * Author(s): Martin Peschke <mpeschke@de.ibm.com>
- * Raimund Schroeder <raimund.schroeder@de.ibm.com>
- * Aron Zeh
- * Wolfgang Taphorn
- * Stefan Bader <stefan.bader@de.ibm.com>
- * Heiko Carstens <heiko.carstens@de.ibm.com>
- * Andreas Herrmann <aherrman@de.ibm.com>
- * Volker Sameske <sameske@de.ibm.com>
+ * (C) Copyright IBM Corp. 2002, 2006
*
* 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
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-
#ifndef ZFCP_DEF_H
#define ZFCP_DEF_H
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/timer.h>
+#include <linux/slab.h>
+#include <linux/mempool.h>
+#include <linux/syscalls.h>
+#include <linux/ioctl.h>
#include <scsi/scsi.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
-#include "../../fc4/fc.h"
-#include "zfcp_fsf.h"
#include <asm/ccwdev.h>
#include <asm/qdio.h>
#include <asm/debug.h>
#include <asm/ebcdic.h>
-#include <linux/mempool.h>
-#include <linux/syscalls.h>
-#include <linux/ioctl.h>
+#include "zfcp_fsf.h"
/********************* GENERAL DEFINES *********************************/
/* zfcp version number, it consists of major, minor, and patch-level number */
-#define ZFCP_VERSION "4.5.0"
+#define ZFCP_VERSION "4.8.0"
/**
* zfcp_sg_to_address - determine kernel address from struct scatterlist
list->offset = ((unsigned long) address) & (PAGE_SIZE - 1);
}
-/********************* SCSI SPECIFIC DEFINES *********************************/
-
-/* 32 bit for SCSI ID and LUN as long as the SCSI stack uses this type */
-typedef u32 scsi_id_t;
-typedef u32 scsi_lun_t;
+#define REQUEST_LIST_SIZE 128
-#define ZFCP_ERP_SCSI_LOW_MEM_TIMEOUT (100*HZ)
-#define ZFCP_SCSI_ER_TIMEOUT (100*HZ)
+/********************* SCSI SPECIFIC DEFINES *********************************/
+#define ZFCP_SCSI_ER_TIMEOUT (10*HZ)
/********************* CIO/QDIO SPECIFIC DEFINES *****************************/
(ZFCP_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_EXCHANGE_CONFIG_DATA_RETRIES 7
/* timeout value for "default timer" for fsf requests */
-#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ);
+#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ)
/*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/
#define RSP_CODE_TASKMAN_FAILED 5
/* see fc-fs */
-#define LS_FAN 0x60000000
-#define LS_RSCN 0x61040000
+#define LS_RSCN 0x61040000
+#define LS_LOGO 0x05000000
+#define LS_PLOGI 0x03000000
struct fcp_rscn_head {
u8 command;
#define ZFCP_NO_PORTS_PER_DOMAIN 0x10000
#define ZFCP_NO_PORTS_PER_FABRIC 0x1000000
-struct fcp_fan {
- u32 command;
- u32 fport_did;
- wwn_t fport_wwpn;
- wwn_t fport_wwname;
-} __attribute__((packed));
-
/* see fc-ph */
struct fcp_logo {
u32 command;
#define ZFCP_NAME "zfcp"
-/* read-only LUN sharing switch initial value */
-#define ZFCP_RO_LUN_SHARING_DEFAULTS 0
-
/* independent log areas */
#define ZFCP_LOG_AREA_OTHER 0
#define ZFCP_LOG_AREA_SCSI 1
} while (0)
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_NORMAL
-# define ZFCP_LOG_NORMAL(fmt, args...)
+# define ZFCP_LOG_NORMAL(fmt, args...) do { } while (0)
#else
# define ZFCP_LOG_NORMAL(fmt, args...) \
do { \
#endif
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_INFO
-# define ZFCP_LOG_INFO(fmt, args...)
+# define ZFCP_LOG_INFO(fmt, args...) do { } while (0)
#else
# define ZFCP_LOG_INFO(fmt, args...) \
do { \
#endif
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_DEBUG
-# define ZFCP_LOG_DEBUG(fmt, args...)
+# 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...)
+# define ZFCP_LOG_TRACE(fmt, args...) do { } while (0)
#else
# define ZFCP_LOG_TRACE(fmt, args...) \
ZFCP_LOG(ZFCP_LOG_LEVEL_TRACE, fmt , ##args)
* and unit
*/
#define ZFCP_COMMON_FLAGS 0xfff00000
-#define ZFCP_SPECIFIC_FLAGS 0x000fffff
/* common status bits */
#define ZFCP_STATUS_COMMON_REMOVE 0x80000000
#define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200
#define ZFCP_STATUS_ADAPTER_XPORT_OK 0x00000800
-#define ZFCP_STATUS_ADAPTER_SCSI_UP \
- (ZFCP_STATUS_COMMON_UNBLOCKED | \
- ZFCP_STATUS_ADAPTER_REGISTERED)
-
-
/* FC-PH/FC-GS well-known address identifiers for generic services */
#define ZFCP_DID_MANAGEMENT_SERVICE 0xFFFFFA
#define ZFCP_DID_TIME_SERVICE 0xFFFFFB
#define ZFCP_STATUS_PORT_NO_WWPN 0x00000008
#define ZFCP_STATUS_PORT_NO_SCSI_ID 0x00000010
#define ZFCP_STATUS_PORT_INVALID_WWPN 0x00000020
-#define ZFCP_STATUS_PORT_ACCESS_DENIED 0x00000040
/* for ports with well known addresses */
#define ZFCP_STATUS_PORT_WKA \
* @handler_data: data passed to handler function
* @pool: pointer to memory pool for ct request structure
* @timeout: FSF timeout for this request
- * @timer: timer (e.g. for request initiated by erp)
* @completion: completion for synchronization purposes
* @status: used to pass error status to calling function
*/
unsigned long handler_data;
mempool_t *pool;
int timeout;
- struct timer_list *timer;
struct completion *completion;
int status;
};
* @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
- * @timer: timer (e.g. for request initiated by erp)
* @completion: completion for synchronization purposes
* @ls_code: hex code of ELS command
* @status: used to pass error status to calling function
unsigned int resp_count;
zfcp_send_els_handler_t handler;
unsigned long handler_data;
- struct timer_list *timer;
struct completion *completion;
int ls_code;
int status;
wwn_t peer_wwpn; /* P2P peer WWPN */
u32 peer_d_id; /* P2P peer D_ID */
struct ccw_device *ccw_device; /* S/390 ccw device */
- u8 fc_service_class;
u32 hydra_version; /* Hydra version */
u32 fsf_lic_version;
u32 adapter_features; /* FCP channel features */
u32 connection_features; /* host connection features */
u32 hardware_version; /* of FCP channel */
struct Scsi_Host *scsi_host; /* Pointer to mid-layer */
- unsigned short scsi_host_no; /* Assigned host number */
- unsigned char name[9];
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 */
- struct timer_list scsi_er_timer; /* SCSI err recovery watch */
- struct list_head fsf_req_list_head; /* head of FSF req list */
- spinlock_t fsf_req_list_lock; /* lock for ops on list of
- FSF requests */
- atomic_t fsf_reqs_active; /* # active FSF reqs */
+ 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 */
u32 fsf_req_seq_no; /* FSF cmnd seq number */
wait_queue_head_t request_wq; /* can be used to wait for
u32 handle; /* handle assigned by FSF */
struct zfcp_erp_action erp_action; /* pending error recovery */
atomic_t erp_counter;
+ u32 maxframe_size;
+ u32 supported_classes;
};
/* the struct device sysfs_device must be at the beginning of this structure.
refcount drop to zero */
struct zfcp_port *port; /* remote port of unit */
atomic_t status; /* status of this logical unit */
- scsi_lun_t scsi_lun; /* own SCSI LUN */
+ unsigned int scsi_lun; /* own SCSI LUN */
fcp_lun_t fcp_lun; /* own FCP_LUN */
u32 handle; /* handle assigned by FSF */
struct scsi_device *device; /* scsi device struct pointer */
/* FSF request */
struct zfcp_fsf_req {
struct list_head list; /* list of FSF requests */
+ unsigned long req_id; /* unique request ID */
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 */
struct fsf_qtcb *qtcb; /* address of associated QTCB */
u32 seq_no; /* Sequence number of request */
unsigned long 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 */
mempool_t *pool; /* used if request was alloacted
/* driver data */
struct zfcp_data {
struct scsi_host_template scsi_host_template;
+ struct scsi_transport_template *scsi_transport_template;
atomic_t status; /* Module status flags */
struct list_head adapter_list_head; /* head of adapter list */
struct list_head adapter_remove_lh; /* head of adapters to be
removed */
- rwlock_t status_read_lock; /* for status read thread */
- struct list_head status_read_receive_head;
- struct list_head status_read_send_head;
- struct semaphore status_read_sema;
- wait_queue_head_t status_read_thread_wqh;
u32 adapters; /* # of adapters in list */
rwlock_t config_lock; /* serialises changes
to adapter/port/unit
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;
};
/**
#define ZFCP_POOL_DATA_GID_PN_NR 1
/* struct used by memory pools for fsf_requests */
-struct zfcp_fsf_req_pool_element {
+struct zfcp_fsf_req_qtcb {
struct zfcp_fsf_req fsf_req;
struct fsf_qtcb qtcb;
};
/********************** ZFCP SPECIFIC DEFINES ********************************/
-#define ZFCP_FSFREQ_CLEANUP_TIMEOUT HZ/10
-
-#define ZFCP_KNOWN 0x00000001
#define ZFCP_REQ_AUTO_CLEANUP 0x00000002
#define ZFCP_WAIT_FOR_SBAL 0x00000004
#define ZFCP_REQ_NO_QTCB 0x00000008
#define ZFCP_SET 0x00000100
#define ZFCP_CLEAR 0x00000200
-#define ZFCP_INTERRUPTIBLE 1
-#define ZFCP_UNINTERRUPTIBLE 0
-
#ifndef atomic_test_mask
#define atomic_test_mask(mask, target) \
((atomic_read(target) & mask) == mask)
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