From ee69ab7af3cd68423e389272e1276718d4cd8ebc Mon Sep 17 00:00:00 2001 From: Maxim Shchetynin Date: Thu, 1 Dec 2005 02:48:41 +0100 Subject: [PATCH] [SCSI] zfcp: fix link down handling during firmware update Don't check link down payload in case of firmware update. Signed-off-by: Maxim Shchetynin Signed-off-by: Andreas Herrmann Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fsf.c | 50 +++++++++++++++++++++++++++----------------- 1 file changed, 31 insertions(+), 19 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index fbc81b01291..59587951c84 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -554,6 +554,17 @@ static void zfcp_fsf_link_down_info_eval(struct zfcp_adapter *adapter, struct fsf_link_down_info *link_down) { + if (atomic_test_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, + &adapter->status)) + return; + + atomic_set_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status); + + if (link_down == NULL) { + zfcp_erp_adapter_reopen(adapter, 0); + return; + } + switch (link_down->error_code) { case FSF_PSQ_LINK_NO_LIGHT: ZFCP_LOG_NORMAL("The local link to adapter %s is down " @@ -634,20 +645,15 @@ zfcp_fsf_link_down_info_eval(struct zfcp_adapter *adapter, link_down->explanation_code, link_down->vendor_specific_code); - if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, - &adapter->status)) { - atomic_set_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, - &adapter->status); - switch (link_down->error_code) { - case FSF_PSQ_LINK_NO_LIGHT: - case FSF_PSQ_LINK_WRAP_PLUG: - case FSF_PSQ_LINK_NO_FCP: - case FSF_PSQ_LINK_FIRMWARE_UPDATE: - zfcp_erp_adapter_reopen(adapter, 0); - break; - default: - zfcp_erp_adapter_failed(adapter); - } + switch (link_down->error_code) { + case FSF_PSQ_LINK_NO_LIGHT: + case FSF_PSQ_LINK_WRAP_PLUG: + case FSF_PSQ_LINK_NO_FCP: + case FSF_PSQ_LINK_FIRMWARE_UPDATE: + zfcp_erp_adapter_reopen(adapter, 0); + break; + default: + zfcp_erp_adapter_failed(adapter); } } @@ -919,30 +925,36 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK: ZFCP_LOG_INFO("Physical link to adapter %s is down\n", zfcp_get_busid_by_adapter(adapter)); + zfcp_fsf_link_down_info_eval(adapter, + (struct fsf_link_down_info *) + &status_buffer->payload); break; case FSF_STATUS_READ_SUB_FDISC_FAILED: ZFCP_LOG_INFO("Local link to adapter %s is down " "due to failed FDISC login\n", - zfcp_get_busid_by_adapter(adapter)); + zfcp_get_busid_by_adapter(adapter)); + zfcp_fsf_link_down_info_eval(adapter, + (struct fsf_link_down_info *) + &status_buffer->payload); break; case FSF_STATUS_READ_SUB_FIRMWARE_UPDATE: ZFCP_LOG_INFO("Local link to adapter %s is down " "due to firmware update on adapter\n", zfcp_get_busid_by_adapter(adapter)); + zfcp_fsf_link_down_info_eval(adapter, NULL); break; default: ZFCP_LOG_INFO("Local link to adapter %s is down " "due to unknown reason\n", zfcp_get_busid_by_adapter(adapter)); + zfcp_fsf_link_down_info_eval(adapter, NULL); }; - zfcp_fsf_link_down_info_eval(adapter, - (struct fsf_link_down_info *) &status_buffer->payload); break; case FSF_STATUS_READ_LINK_UP: ZFCP_LOG_NORMAL("Local link to adapter %s was replugged. " - "Restarting operations on this adapter\n", - zfcp_get_busid_by_adapter(adapter)); + "Restarting operations on this adapter\n", + zfcp_get_busid_by_adapter(adapter)); /* All ports should be marked as ready to run again */ zfcp_erp_modify_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING, -- 2.11.4.GIT