diff options
| author | Julian Wiedmann <jwi@linux.ibm.com> | 2020-10-28 19:30:51 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-10-29 22:17:01 -0400 |
| commit | a6c37abe6988eb33a5f301e252ee41ed22b8df8d (patch) | |
| tree | a009faf078f80a2489bd612e2286fec9e1508368 /drivers/s390/scsi/zfcp_fsf.c | |
| parent | efd321768d2e0e85083b83aefb15c949d4c8930f (diff) | |
| download | linux-a6c37abe6988eb33a5f301e252ee41ed22b8df8d.tar.gz | |
scsi: zfcp: Process Version Change events
Handle notifications for a concurrent change of the FCP Channel firmware.
Update the relevant user-visible fields to provide accurate data.
Link: https://lore.kernel.org/r/d2c7bc57c6cf1b65eabbf7a5d0e3927b9f65647f.1603908167.git.bblock@linux.ibm.com
Reviewed-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 6cb963a06777..afa95e04eceb 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -242,6 +242,19 @@ static void zfcp_fsf_status_read_link_down(struct zfcp_fsf_req *req) } } +static void +zfcp_fsf_status_read_version_change(struct zfcp_adapter *adapter, + struct fsf_status_read_buffer *sr_buf) +{ + if (sr_buf->status_subtype == FSF_STATUS_READ_SUB_LIC_CHANGE) { + u32 version = sr_buf->payload.version_change.current_version; + + WRITE_ONCE(adapter->fsf_lic_version, version); + snprintf(fc_host_firmware_version(adapter->scsi_host), + FC_VERSION_STRING_SIZE, "%#08x", version); + } +} + static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req) { struct zfcp_adapter *adapter = req->adapter; @@ -300,6 +313,9 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req) case FSF_STATUS_READ_FEATURE_UPDATE_ALERT: adapter->adapter_features = sr_buf->payload.word[0]; break; + case FSF_STATUS_READ_VERSION_CHANGE: + zfcp_fsf_status_read_version_change(adapter, sr_buf); + break; } mempool_free(virt_to_page(sr_buf), adapter->pool.sr_data); |