scsi: zfcp: log FC Endpoint Security errors (42cabdaf) · Commits · 戴 / test

drivers/s390/scsi/zfcp_fsf.c

+62 −0

Original line number	Diff line number	Diff line
		@@ -1647,6 +1647,62 @@ out:
		port->connection_info_old = port->connection_info;
		}

		static void zfcp_fsf_log_security_error(const struct device *dev, u32 fsf_sqw0,
		u64 wwpn)
		{
		switch (fsf_sqw0) {

		/*
		* Open Port command error codes
		*/

		case FSF_SQ_SECURITY_REQUIRED:
		dev_warn_ratelimited(dev,
		"FC Endpoint Security error: FC security is required but not supported or configured on remote port 0x%016llx\n",
		wwpn);
		break;
		case FSF_SQ_SECURITY_TIMEOUT:
		dev_warn_ratelimited(dev,
		"FC Endpoint Security error: a timeout prevented opening remote port 0x%016llx\n",
		wwpn);
		break;
		case FSF_SQ_SECURITY_KM_UNAVAILABLE:
		dev_warn_ratelimited(dev,
		"FC Endpoint Security error: opening remote port 0x%016llx failed because local and external key manager cannot communicate\n",
		wwpn);
		break;
		case FSF_SQ_SECURITY_RKM_UNAVAILABLE:
		dev_warn_ratelimited(dev,
		"FC Endpoint Security error: opening remote port 0x%016llx failed because it cannot communicate with the external key manager\n",
		wwpn);
		break;
		case FSF_SQ_SECURITY_AUTH_FAILURE:
		dev_warn_ratelimited(dev,
		"FC Endpoint Security error: the device could not verify the identity of remote port 0x%016llx\n",
		wwpn);
		break;

		/*
		* Send FCP command error codes
		*/

		case FSF_SQ_SECURITY_ENC_FAILURE:
		dev_warn_ratelimited(dev,
		"FC Endpoint Security error: FC connection to remote port 0x%016llx closed because encryption broke down\n",
		wwpn);
		break;

		/*
		* Unknown error codes
		*/

		default:
		dev_warn_ratelimited(dev,
		"FC Endpoint Security error: the device issued an unknown error code 0x%08x related to the FC connection to remote port 0x%016llx\n",
		fsf_sqw0, wwpn);
		}
		}

		static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
		{
		struct zfcp_adapter *adapter = req->adapter;
		@@ -1671,6 +1727,9 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
		req->status \|= ZFCP_STATUS_FSFREQ_ERROR;
		break;
		case FSF_SECURITY_ERROR:
		zfcp_fsf_log_security_error(&req->adapter->ccw_device->dev,
		header->fsf_status_qual.word[0],
		port->wwpn);
		req->status \|= ZFCP_STATUS_FSFREQ_ERROR;
		break;
		case FSF_ADAPTER_STATUS_AVAILABLE:
		@@ -2404,6 +2463,9 @@ static void zfcp_fsf_fcp_handler_common(struct zfcp_fsf_req *req,
		req->status \|= ZFCP_STATUS_FSFREQ_ERROR;
		break;
		case FSF_SECURITY_ERROR:
		zfcp_fsf_log_security_error(&req->adapter->ccw_device->dev,
		header->fsf_status_qual.word[0],
		zfcp_sdev->port->wwpn);
		zfcp_erp_port_forced_reopen(zfcp_sdev->port, 0, "fssfch7");
		req->status \|= ZFCP_STATUS_FSFREQ_ERROR;
		break;

drivers/s390/scsi/zfcp_fsf.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -111,6 +111,14 @@
		#define FSF_PSQ_LINK_MODE_TABLE_CURRUPTED 0x00004000
		#define FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT 0x00008000

		/* FSF status qualifier, security error */
		#define FSF_SQ_SECURITY_REQUIRED 0x00000001
		#define FSF_SQ_SECURITY_TIMEOUT 0x00000002
		#define FSF_SQ_SECURITY_KM_UNAVAILABLE 0x00000003
		#define FSF_SQ_SECURITY_RKM_UNAVAILABLE 0x00000004
		#define FSF_SQ_SECURITY_AUTH_FAILURE 0x00000005
		#define FSF_SQ_SECURITY_ENC_FAILURE 0x00000010

		/* payload size in status read buffer */
		#define FSF_STATUS_READ_PAYLOAD_SIZE 4032

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