diff options
| author |   Vineeth Vijayan <vneethv@linux.ibm.com> | 2020-10-08 15:13:29 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-11-16 08:14:38 -0700 |
| commit | 32ef938815c1fb42d65212aac860ab153a64de1a (patch) | |
| tree | d2a33b82087475559e37e649ec3fc461fa43d56f /drivers/s390/cio/device.c | |
| parent | s390/cio: Provide Endpoint-Security Mode per CU (diff) | |
| download | linux-dev-32ef938815c1fb42d65212aac860ab153a64de1a.tar.xz linux-dev-32ef938815c1fb42d65212aac860ab153a64de1a.zip | |
s390/cio: Add support for FCES status notification
Fibre Channel Endpoint-Security event is received as an sei:nt0 type
in the CIO layer. This information needs to be shared with the
CCW device drivers using the path_events callback.
Co-developed-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/s390/cio/device.c')
| -rw-r--r-- | drivers/s390/cio/device.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index b29fe8d50baf..aab13c78db9f 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1170,7 +1170,8 @@ static int io_subchannel_chp_event(struct subchannel *sch, struct chp_link *link, int event) { struct ccw_device *cdev = sch_get_cdev(sch); - int mask; + int mask, chpid, valid_bit; + int path_event[8]; mask = chp_ssd_get_mask(&sch->ssd_info, link); if (!mask) @@ -1205,6 +1206,18 @@ static int io_subchannel_chp_event(struct subchannel *sch, cdev->private->path_new_mask |= mask; io_subchannel_verify(sch); break; + case CHP_FCES_EVENT: + /* Forward Endpoint Security event */ + for (chpid = 0, valid_bit = 0x80; chpid < 8; chpid++, + valid_bit >>= 1) { + if (mask & valid_bit) + path_event[chpid] = PE_PATH_FCES_EVENT; + else + path_event[chpid] = PE_NONE; + } + if (cdev) + cdev->drv->path_event(cdev, path_event); + break; } return 0; } |