From d736a27b7efbc835c7b83db5c1bbd41edbadf32e Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Mon, 13 Jun 2005 13:23:57 +0200 Subject: [SCSI] zfcp: fix handling of port boxed and lun boxed fsf states From: Maxim Shchetynin Signed-off-by: Andreas Herrmann Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_def.h | 1 + drivers/s390/scsi/zfcp_erp.c | 68 +++++++++++++++++++++++++++++++++++++------- drivers/s390/scsi/zfcp_ext.h | 2 ++ drivers/s390/scsi/zfcp_fsf.c | 32 +++++++++------------ 4 files changed, 75 insertions(+), 28 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index bfbbb825f9a..4103b5be768 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -490,6 +490,7 @@ do { \ #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 diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 6d73891eec9..0cf31f7d1c0 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -3481,6 +3481,45 @@ zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action) list_move(&erp_action->list, &erp_action->adapter->erp_ready_head); } +/* + * function: zfcp_erp_port_boxed + * + * purpose: + */ +void +zfcp_erp_port_boxed(struct zfcp_port *port) +{ + struct zfcp_adapter *adapter = port->adapter; + unsigned long flags; + + debug_text_event(adapter->erp_dbf, 3, "p_access_boxed"); + debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t)); + read_lock_irqsave(&zfcp_data.config_lock, flags); + zfcp_erp_modify_port_status(port, + ZFCP_STATUS_COMMON_ACCESS_BOXED, + ZFCP_SET); + read_unlock_irqrestore(&zfcp_data.config_lock, flags); + zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED); +} + +/* + * function: zfcp_erp_unit_boxed + * + * purpose: + */ +void +zfcp_erp_unit_boxed(struct zfcp_unit *unit) +{ + struct zfcp_adapter *adapter = unit->port->adapter; + + debug_text_event(adapter->erp_dbf, 3, "u_access_boxed"); + debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t)); + zfcp_erp_modify_unit_status(unit, + ZFCP_STATUS_COMMON_ACCESS_BOXED, + ZFCP_SET); + zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED); +} + /* * function: zfcp_erp_port_access_denied * @@ -3492,11 +3531,13 @@ zfcp_erp_port_access_denied(struct zfcp_port *port) struct zfcp_adapter *adapter = port->adapter; unsigned long flags; - debug_text_event(adapter->erp_dbf, 3, "p_access_block"); + debug_text_event(adapter->erp_dbf, 3, "p_access_denied"); debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t)); read_lock_irqsave(&zfcp_data.config_lock, flags); - zfcp_erp_modify_port_status(port, ZFCP_STATUS_COMMON_ERP_FAILED | - ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET); + zfcp_erp_modify_port_status(port, + ZFCP_STATUS_COMMON_ERP_FAILED | + ZFCP_STATUS_COMMON_ACCESS_DENIED, + ZFCP_SET); read_unlock_irqrestore(&zfcp_data.config_lock, flags); } @@ -3510,10 +3551,12 @@ zfcp_erp_unit_access_denied(struct zfcp_unit *unit) { struct zfcp_adapter *adapter = unit->port->adapter; - debug_text_event(adapter->erp_dbf, 3, "u_access_block"); + debug_text_event(adapter->erp_dbf, 3, "u_access_denied"); debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t)); - zfcp_erp_modify_unit_status(unit, ZFCP_STATUS_COMMON_ERP_FAILED | - ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET); + zfcp_erp_modify_unit_status(unit, + ZFCP_STATUS_COMMON_ERP_FAILED | + ZFCP_STATUS_COMMON_ACCESS_DENIED, + ZFCP_SET); } /* @@ -3527,7 +3570,7 @@ zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter) struct zfcp_port *port; unsigned long flags; - debug_text_event(adapter->erp_dbf, 3, "a_access_unblock"); + debug_text_event(adapter->erp_dbf, 3, "a_access_recover"); debug_event(adapter->erp_dbf, 3, &adapter->name, 8); read_lock_irqsave(&zfcp_data.config_lock, flags); @@ -3550,10 +3593,12 @@ zfcp_erp_port_access_changed(struct zfcp_port *port) struct zfcp_adapter *adapter = port->adapter; struct zfcp_unit *unit; - debug_text_event(adapter->erp_dbf, 3, "p_access_unblock"); + debug_text_event(adapter->erp_dbf, 3, "p_access_recover"); debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t)); if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED, + &port->status) && + !atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_BOXED, &port->status)) { if (!atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status)) list_for_each_entry(unit, &port->unit_list_head, list) @@ -3580,10 +3625,13 @@ zfcp_erp_unit_access_changed(struct zfcp_unit *unit) { struct zfcp_adapter *adapter = unit->port->adapter; - debug_text_event(adapter->erp_dbf, 3, "u_access_unblock"); + debug_text_event(adapter->erp_dbf, 3, "u_access_recover"); debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t)); - if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED, &unit->status)) + if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED, + &unit->status) && + !atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_BOXED, + &unit->status)) return; ZFCP_LOG_NORMAL("reopen of unit 0x%016Lx on port 0x%016Lx " diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 8f0da2e02a4..42df7e57eea 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -171,6 +171,8 @@ extern int zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); extern int zfcp_test_link(struct zfcp_port *); +extern void zfcp_erp_port_boxed(struct zfcp_port *); +extern void zfcp_erp_unit_boxed(struct zfcp_unit *); extern void zfcp_erp_port_access_denied(struct zfcp_port *); extern void zfcp_erp_unit_access_denied(struct zfcp_unit *); extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 56b2ea97da1..0d9f20edc49 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -1228,7 +1228,7 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) zfcp_get_busid_by_unit(unit)); debug_text_event(new_fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_erp_port_boxed(unit->port); new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -1240,10 +1240,7 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) unit->fcp_lun, unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(new_fsf_req->adapter->erp_dbf, 1, "fsf_s_lboxed"); - zfcp_erp_unit_reopen(unit, 0); - zfcp_cmd_dbf_event_fsf("unitbox", new_fsf_req, - &new_fsf_req->qtcb->header.fsf_status_qual, - sizeof(union fsf_status_qual)); + zfcp_erp_unit_boxed(unit); new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -1573,7 +1570,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) "(adapter %s, port d_id=0x%08x)\n", zfcp_get_busid_by_port(port), port->d_id); debug_text_event(adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(port, 0); + zfcp_erp_port_boxed(port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -2460,6 +2457,9 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) /* mark port as open */ atomic_set_mask(ZFCP_STATUS_COMMON_OPEN | ZFCP_STATUS_PORT_PHYS_OPEN, &port->status); + atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | + ZFCP_STATUS_COMMON_ACCESS_BOXED, + &port->status); retval = 0; /* check whether D_ID has changed during open */ /* @@ -2803,7 +2803,7 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req) port->wwpn, zfcp_get_busid_by_port(port)); debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_pboxed"); - zfcp_erp_port_reopen(port, 0); + zfcp_erp_port_boxed(port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -3035,7 +3035,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) "needs to be reopened\n", unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_erp_port_boxed(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -3145,7 +3145,9 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) unit->handle); /* mark unit as open */ atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status); - + atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | + ZFCP_STATUS_COMMON_ACCESS_BOXED, + &unit->status); if (adapter->supported_features & FSF_FEATURE_LUN_SHARING){ if (!exclusive) atomic_set_mask(ZFCP_STATUS_UNIT_SHARED, @@ -3335,7 +3337,7 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req) unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_erp_port_boxed(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -3881,10 +3883,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) "needs to be reopened\n", unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); - zfcp_cmd_dbf_event_fsf("portbox", fsf_req, - &header->fsf_status_qual, - sizeof (union fsf_status_qual)); + zfcp_erp_port_boxed(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -3895,10 +3894,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) zfcp_get_busid_by_unit(unit), unit->port->wwpn, unit->fcp_lun); debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_lboxed"); - zfcp_erp_unit_reopen(unit, 0); - zfcp_cmd_dbf_event_fsf("unitbox", fsf_req, - &header->fsf_status_qual, - sizeof(union fsf_status_qual)); + zfcp_erp_unit_boxed(unit); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; -- cgit v1.2.3