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path: root/drivers/s390/scsi/zfcp_def.h
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Diffstat (limited to 'drivers/s390/scsi/zfcp_def.h')
-rw-r--r--drivers/s390/scsi/zfcp_def.h22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index e268f79bdbd2..9e9f6c1e4e5d 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -118,7 +118,7 @@ zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
118 118
119#define ZFCP_SBAL_TIMEOUT (5*HZ) 119#define ZFCP_SBAL_TIMEOUT (5*HZ)
120 120
121#define ZFCP_TYPE2_RECOVERY_TIME (8*HZ) 121#define ZFCP_TYPE2_RECOVERY_TIME 8 /* seconds */
122 122
123/* queue polling (values in microseconds) */ 123/* queue polling (values in microseconds) */
124#define ZFCP_MAX_INPUT_THRESHOLD 5000 /* FIXME: tune */ 124#define ZFCP_MAX_INPUT_THRESHOLD 5000 /* FIXME: tune */
@@ -139,7 +139,7 @@ zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
139#define ZFCP_STATUS_READS_RECOM FSF_STATUS_READS_RECOM 139#define ZFCP_STATUS_READS_RECOM FSF_STATUS_READS_RECOM
140 140
141/* Do 1st retry in 1 second, then double the timeout for each following retry */ 141/* Do 1st retry in 1 second, then double the timeout for each following retry */
142#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP 100 142#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP 1
143#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 7 143#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 7
144 144
145/* timeout value for "default timer" for fsf requests */ 145/* timeout value for "default timer" for fsf requests */
@@ -983,10 +983,6 @@ struct zfcp_unit {
983 struct scsi_device *device; /* scsi device struct pointer */ 983 struct scsi_device *device; /* scsi device struct pointer */
984 struct zfcp_erp_action erp_action; /* pending error recovery */ 984 struct zfcp_erp_action erp_action; /* pending error recovery */
985 atomic_t erp_counter; 985 atomic_t erp_counter;
986 wait_queue_head_t scsi_scan_wq; /* can be used to wait until
987 all scsi_scan_target
988 requests have been
989 completed. */
990}; 986};
991 987
992/* FSF request */ 988/* FSF request */
@@ -1127,6 +1123,20 @@ zfcp_reqlist_find(struct zfcp_adapter *adapter, unsigned long req_id)
1127 return NULL; 1123 return NULL;
1128} 1124}
1129 1125
1126static inline struct zfcp_fsf_req *
1127zfcp_reqlist_find_safe(struct zfcp_adapter *adapter, struct zfcp_fsf_req *req)
1128{
1129 struct zfcp_fsf_req *request;
1130 unsigned int idx;
1131
1132 for (idx = 0; idx < REQUEST_LIST_SIZE; idx++) {
1133 list_for_each_entry(request, &adapter->req_list[idx], list)
1134 if (request == req)
1135 return request;
1136 }
1137 return NULL;
1138}
1139
1130/* 1140/*
1131 * functions needed for reference/usage counting 1141 * functions needed for reference/usage counting
1132 */ 1142 */