#ifndef ZFCP_DEF_H
#define ZFCP_DEF_H
-#define ZFCP_DEF_REVISION "$Revision: 1.111 $"
-
/*************************** INCLUDES *****************************************/
#include <linux/init.h>
#include <linux/syscalls.h>
#include <linux/ioctl.h>
-/************************ DEBUG FLAGS *****************************************/
-
-#define ZFCP_PRINT_FLAGS
/********************* GENERAL DEFINES *********************************/
/* zfcp version number, it consists of major, minor, and patch-level number */
-#define ZFCP_VERSION "4.3.0"
+#define ZFCP_VERSION "4.5.0"
/**
* zfcp_sg_to_address - determine kernel address from struct scatterlist
#define FSF_QTCB_UNSOLICITED_STATUS 0x6305
#define ZFCP_STATUS_READ_FAILED_THRESHOLD 3
#define ZFCP_STATUS_READS_RECOM FSF_STATUS_READS_RECOM
-#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 6
-#define ZFCP_EXCHANGE_CONFIG_DATA_SLEEP 50
+
+/* Do 1st retry in 1 second, then double the timeout for each following retry */
+#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP 100
+#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 7
/* timeout value for "default timer" for fsf requests */
#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ);
/*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/
typedef unsigned long long wwn_t;
-typedef unsigned int fc_id_t;
typedef unsigned long long fcp_lun_t;
/* data length field may be at variable position in FCP-2 FCP_CMND IU */
typedef unsigned int fcp_dl_t;
wwn_t nport_wwpn;
} __attribute__((packed));
+/*
+ * DBF stuff
+ */
+#define ZFCP_DBF_TAG_SIZE 4
+
+struct zfcp_dbf_dump {
+ u8 tag[ZFCP_DBF_TAG_SIZE];
+ u32 total_size; /* size of total dump data */
+ u32 offset; /* how much data has being already dumped */
+ u32 size; /* how much data comes with this record */
+ u8 data[]; /* dump data */
+} __attribute__ ((packed));
+
+/* FIXME: to be inflated when reworking the erp dbf */
+struct zfcp_erp_dbf_record {
+ u8 dummy[16];
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_response {
+ u32 fsf_command;
+ u64 fsf_reqid;
+ u32 fsf_seqno;
+ u64 fsf_issued;
+ u32 fsf_prot_status;
+ u32 fsf_status;
+ u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
+ u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
+ u32 fsf_req_status;
+ u8 sbal_first;
+ u8 sbal_curr;
+ u8 sbal_last;
+ u8 pool;
+ u64 erp_action;
+ union {
+ struct {
+ u64 scsi_cmnd;
+ u64 scsi_serial;
+ } send_fcp;
+ struct {
+ u64 wwpn;
+ u32 d_id;
+ u32 port_handle;
+ } port;
+ struct {
+ u64 wwpn;
+ u64 fcp_lun;
+ u32 port_handle;
+ u32 lun_handle;
+ } unit;
+ struct {
+ u32 d_id;
+ u8 ls_code;
+ } send_els;
+ } data;
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_status {
+ u8 failed;
+ u32 status_type;
+ u32 status_subtype;
+ struct fsf_queue_designator
+ queue_designator;
+ u32 payload_size;
+#define ZFCP_DBF_UNSOL_PAYLOAD 80
+#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL 32
+#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD 56
+#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT 2 * sizeof(u32)
+ u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_qdio {
+ u32 status;
+ u32 qdio_error;
+ u32 siga_error;
+ u8 sbal_index;
+ u8 sbal_count;
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record {
+ u8 tag[ZFCP_DBF_TAG_SIZE];
+ u8 tag2[ZFCP_DBF_TAG_SIZE];
+ union {
+ struct zfcp_hba_dbf_record_response response;
+ struct zfcp_hba_dbf_record_status status;
+ struct zfcp_hba_dbf_record_qdio qdio;
+ } type;
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record_ct {
+ union {
+ struct {
+ u16 cmd_req_code;
+ u8 revision;
+ u8 gs_type;
+ u8 gs_subtype;
+ u8 options;
+ u16 max_res_size;
+ } request;
+ struct {
+ u16 cmd_rsp_code;
+ u8 revision;
+ u8 reason_code;
+ u8 reason_code_expl;
+ u8 vendor_unique;
+ } response;
+ } type;
+ u32 payload_size;
+#define ZFCP_DBF_CT_PAYLOAD 24
+ u8 payload[ZFCP_DBF_CT_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record_els {
+ u8 ls_code;
+ u32 payload_size;
+#define ZFCP_DBF_ELS_PAYLOAD 32
+#define ZFCP_DBF_ELS_MAX_PAYLOAD 1024
+ u8 payload[ZFCP_DBF_ELS_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record {
+ u8 tag[ZFCP_DBF_TAG_SIZE];
+ u64 fsf_reqid;
+ u32 fsf_seqno;
+ u32 s_id;
+ u32 d_id;
+ union {
+ struct zfcp_san_dbf_record_ct ct;
+ struct zfcp_san_dbf_record_els els;
+ } type;
+} __attribute__ ((packed));
+
+struct zfcp_scsi_dbf_record {
+ u8 tag[ZFCP_DBF_TAG_SIZE];
+ u8 tag2[ZFCP_DBF_TAG_SIZE];
+ u32 scsi_id;
+ u32 scsi_lun;
+ u32 scsi_result;
+ u64 scsi_cmnd;
+ u64 scsi_serial;
+#define ZFCP_DBF_SCSI_OPCODE 16
+ u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
+ u8 scsi_retries;
+ u8 scsi_allowed;
+ u64 fsf_reqid;
+ u32 fsf_seqno;
+ u64 fsf_issued;
+ union {
+ u64 old_fsf_reqid;
+ struct {
+ u8 rsp_validity;
+ u8 rsp_scsi_status;
+ u32 rsp_resid;
+ u8 rsp_code;
+#define ZFCP_DBF_SCSI_FCP_SNS_INFO 16
+#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO 256
+ u32 sns_info_len;
+ u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
+ } fcp;
+ } type;
+} __attribute__ ((packed));
+
/*
* FC-FS stuff
*/
*/
#define ZFCP_CT_TIMEOUT (3 * R_A_TOV)
-
-/***************** S390 DEBUG FEATURE SPECIFIC DEFINES ***********************/
-
-/* debug feature entries per adapter */
-#define ZFCP_ERP_DBF_INDEX 1
-#define ZFCP_ERP_DBF_AREAS 2
-#define ZFCP_ERP_DBF_LENGTH 16
-#define ZFCP_ERP_DBF_LEVEL 3
-#define ZFCP_ERP_DBF_NAME "zfcperp"
-
-#define ZFCP_CMD_DBF_INDEX 2
-#define ZFCP_CMD_DBF_AREAS 1
-#define ZFCP_CMD_DBF_LENGTH 8
-#define ZFCP_CMD_DBF_LEVEL 3
-#define ZFCP_CMD_DBF_NAME "zfcpcmd"
-
-#define ZFCP_ABORT_DBF_INDEX 2
-#define ZFCP_ABORT_DBF_AREAS 1
-#define ZFCP_ABORT_DBF_LENGTH 8
-#define ZFCP_ABORT_DBF_LEVEL 6
-#define ZFCP_ABORT_DBF_NAME "zfcpabt"
-
-#define ZFCP_IN_ELS_DBF_INDEX 2
-#define ZFCP_IN_ELS_DBF_AREAS 1
-#define ZFCP_IN_ELS_DBF_LENGTH 8
-#define ZFCP_IN_ELS_DBF_LEVEL 6
-#define ZFCP_IN_ELS_DBF_NAME "zfcpels"
-
/******************** LOGGING MACROS AND DEFINES *****************************/
/*
ZFCP_LOG(ZFCP_LOG_LEVEL_TRACE, fmt , ##args)
#endif
-#ifndef ZFCP_PRINT_FLAGS
-# define ZFCP_LOG_FLAGS(level, fmt, args...)
-#else
-extern u32 flags_dump;
-# define ZFCP_LOG_FLAGS(level, fmt, args...) \
-do { \
- if (level <= flags_dump) \
- _ZFCP_LOG(fmt, ##args); \
-} while (0)
-#endif
-
/*************** ADAPTER/PORT/UNIT AND FSF_REQ STATUS FLAGS ******************/
/*
#define ZFCP_STATUS_COMMON_CLOSING 0x02000000
#define ZFCP_STATUS_COMMON_ERP_INUSE 0x01000000
#define ZFCP_STATUS_COMMON_ACCESS_DENIED 0x00800000
+#define ZFCP_STATUS_COMMON_ACCESS_BOXED 0x00400000
/* adapter status */
#define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002
#define ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL 0x00000080
#define ZFCP_STATUS_ADAPTER_ERP_PENDING 0x00000100
#define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200
+#define ZFCP_STATUS_ADAPTER_XPORT_OK 0x00000800
#define ZFCP_STATUS_ADAPTER_SCSI_UP \
(ZFCP_STATUS_COMMON_UNBLOCKED | \
#define ZFCP_STATUS_UNIT_TEMPORARY 0x00000002
#define ZFCP_STATUS_UNIT_SHARED 0x00000004
#define ZFCP_STATUS_UNIT_READONLY 0x00000008
+#define ZFCP_STATUS_UNIT_REGISTERED 0x00000010
/* FSF request status (this does not have a common part) */
#define ZFCP_STATUS_FSFREQ_NOT_INIT 0x00000000
mempool_t *data_gid_pn;
};
-struct zfcp_exchange_config_data{
-};
-
-struct zfcp_open_port {
- struct zfcp_port *port;
-};
-
-struct zfcp_close_port {
- struct zfcp_port *port;
-};
-
-struct zfcp_open_unit {
- struct zfcp_unit *unit;
-};
-
-struct zfcp_close_unit {
- struct zfcp_unit *unit;
-};
-
-struct zfcp_close_physical_port {
- struct zfcp_port *port;
-};
-
-struct zfcp_send_fcp_command_task {
- struct zfcp_fsf_req *fsf_req;
- struct zfcp_unit *unit;
- struct scsi_cmnd *scsi_cmnd;
- unsigned long start_jiffies;
-};
-
-struct zfcp_send_fcp_command_task_management {
- struct zfcp_unit *unit;
-};
-
-struct zfcp_abort_fcp_command {
- struct zfcp_fsf_req *fsf_req;
- struct zfcp_unit *unit;
-};
-
/*
* header for CT_IU
*/
/* FS_ACC IU and data unit for GID_PN nameserver request */
struct ct_iu_gid_pn_resp {
struct ct_hdr header;
- fc_id_t d_id;
+ u32 d_id;
} __attribute__ ((packed));
typedef void (*zfcp_send_ct_handler_t)(unsigned long);
/**
* struct zfcp_send_els - used to pass parameters to function zfcp_fsf_send_els
* @adapter: adapter where request is sent from
+ * @port: port where ELS is destinated (port reference count has to be increased)
* @d_id: destiniation id of port where request is sent to
* @req: scatter-gather list for request
* @resp: scatter-gather list for response
*/
struct zfcp_send_els {
struct zfcp_adapter *adapter;
- fc_id_t d_id;
+ struct zfcp_port *port;
+ u32 d_id;
struct scatterlist *req;
struct scatterlist *resp;
unsigned int req_count;
int status;
};
-struct zfcp_status_read {
- struct fsf_status_read_buffer *buffer;
-};
-
-struct zfcp_fsf_done {
- struct completion *complete;
- int status;
-};
-
-/* request specific data */
-union zfcp_req_data {
- struct zfcp_exchange_config_data exchange_config_data;
- struct zfcp_open_port open_port;
- struct zfcp_close_port close_port;
- struct zfcp_open_unit open_unit;
- struct zfcp_close_unit close_unit;
- struct zfcp_close_physical_port close_physical_port;
- struct zfcp_send_fcp_command_task send_fcp_command_task;
- struct zfcp_send_fcp_command_task_management
- send_fcp_command_task_management;
- struct zfcp_abort_fcp_command abort_fcp_command;
- struct zfcp_send_ct *send_ct;
- struct zfcp_send_els *send_els;
- struct zfcp_status_read status_read;
- struct fsf_qtcb_bottom_port *port_data;
-};
-
struct zfcp_qdio_queue {
struct qdio_buffer *buffer[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */
u8 free_index; /* index of next free bfr
atomic_t refcount; /* reference count */
wait_queue_head_t remove_wq; /* can be used to wait for
refcount drop to zero */
- wwn_t wwnn; /* WWNN */
- wwn_t wwpn; /* WWPN */
- fc_id_t s_id; /* N_Port ID */
wwn_t peer_wwnn; /* P2P peer WWNN */
wwn_t peer_wwpn; /* P2P peer WWPN */
- fc_id_t peer_d_id; /* P2P peer D_ID */
+ u32 peer_d_id; /* P2P peer D_ID */
struct ccw_device *ccw_device; /* S/390 ccw device */
u8 fc_service_class;
- u32 fc_topology; /* FC topology */
- u32 fc_link_speed; /* FC interface speed */
u32 hydra_version; /* Hydra version */
u32 fsf_lic_version;
- u32 supported_features;/* of FCP channel */
+ u32 adapter_features; /* FCP channel features */
+ u32 connection_features; /* host connection features */
u32 hardware_version; /* of FCP channel */
- u8 serial_number[32]; /* of hardware */
struct Scsi_Host *scsi_host; /* Pointer to mid-layer */
unsigned short scsi_host_no; /* Assigned host number */
unsigned char name[9];
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 */
- rwlock_t fsf_req_list_lock; /* lock for ops on list of
+ spinlock_t fsf_req_list_lock; /* lock for ops on list of
FSF requests */
atomic_t fsf_reqs_active; /* # active FSF reqs */
struct zfcp_qdio_queue request_queue; /* request queue */
u32 erp_low_mem_count; /* nr of erp actions waiting
for memory */
struct zfcp_port *nameserver_port; /* adapter's nameserver */
- debug_info_t *erp_dbf; /* S/390 debug features */
- debug_info_t *abort_dbf;
- debug_info_t *in_els_dbf;
- debug_info_t *cmd_dbf;
- spinlock_t dbf_lock;
+ debug_info_t *erp_dbf;
+ debug_info_t *hba_dbf;
+ debug_info_t *san_dbf; /* debug feature areas */
+ debug_info_t *scsi_dbf;
+ spinlock_t erp_dbf_lock;
+ spinlock_t hba_dbf_lock;
+ spinlock_t san_dbf_lock;
+ spinlock_t scsi_dbf_lock;
+ struct zfcp_erp_dbf_record erp_dbf_buf;
+ struct zfcp_hba_dbf_record hba_dbf_buf;
+ struct zfcp_san_dbf_record san_dbf_buf;
+ struct zfcp_scsi_dbf_record scsi_dbf_buf;
struct zfcp_adapter_mempool pool; /* Adapter memory pools */
struct qdio_initialize qdio_init_data; /* for qdio_establish */
struct device generic_services; /* directory for WKA ports */
+ struct fc_host_statistics *fc_stats;
+ struct fsf_qtcb_bottom_port *stats_reset_data;
+ unsigned long stats_reset;
};
/*
*/
struct zfcp_port {
struct device sysfs_device; /* sysfs device */
+ struct fc_rport *rport; /* rport of fc transport class */
struct list_head list; /* list of remote ports */
atomic_t refcount; /* reference count */
wait_queue_head_t remove_wq; /* can be used to wait for
list */
u32 units; /* # of logical units in list */
atomic_t status; /* status of this remote port */
- scsi_id_t scsi_id; /* own SCSI ID */
wwn_t wwnn; /* WWNN if known */
wwn_t wwpn; /* WWPN */
- fc_id_t d_id; /* D_ID */
+ u32 d_id; /* D_ID */
u32 handle; /* handle assigned by FSF */
struct zfcp_erp_action erp_action; /* pending error recovery */
atomic_t erp_counter;
u32 fsf_command; /* FSF Command copy */
struct fsf_qtcb *qtcb; /* address of associated QTCB */
u32 seq_no; /* Sequence number of request */
- union zfcp_req_data data; /* Info fields of request */
+ unsigned long data; /* private data of request */
struct zfcp_erp_action *erp_action; /* used if this request is
issued on behalf of erp */
mempool_t *pool; /* used if request was alloacted
from emergency pool */
+ unsigned long long issued; /* request sent time (STCK) */
+ struct zfcp_unit *unit;
};
typedef void zfcp_fsf_req_handler_t(struct zfcp_fsf_req*);
git://git.onelab.eu / linux-2.6.git / blobdiff