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| author | Ursula Braun <ubraun@linux.ibm.com> | 2020-09-26 12:44:25 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-28 15:19:03 -0700 |
| commit | 8caaccf521c160d231587091f1f5e8aef2dd0a5e (patch) | |
| tree | d77bf9ff836bc76915cfc2280e3d3dbd74a93e42 /drivers/s390 | |
| parent | 201091ebb2a161a0e10aab36186690b332941f6a (diff) | |
| download | linux-8caaccf521c160d231587091f1f5e8aef2dd0a5e.tar.gz linux-8caaccf521c160d231587091f1f5e8aef2dd0a5e.tar.bz2 linux-8caaccf521c160d231587091f1f5e8aef2dd0a5e.zip | |
net/smc: introduce CHID callback for ISM devices
With SMCD version 2 the CHIDs of ISM devices are needed for the
CLC handshake.
This patch provides the new callback to retrieve the CHID of an
ISM device.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/ism_drv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index c452ea5d9c8a..fe96ca3c88a5 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -414,6 +414,17 @@ static void ism_get_system_eid(struct smcd_dev *smcd, u8 **eid) *eid = &SYSTEM_EID.seid_string[0]; } +static u16 ism_get_chid(struct smcd_dev *smcd) +{ + struct ism_dev *ismdev; + + ismdev = (struct ism_dev *)smcd->priv; + if (!ismdev || !ismdev->pdev) + return 0; + + return to_zpci(ismdev->pdev)->pchid; +} + static void ism_handle_event(struct ism_dev *ism) { struct smcd_event *entry; @@ -471,6 +482,7 @@ static const struct smcd_ops ism_ops = { .signal_event = ism_signal_ieq, .move_data = ism_move, .get_system_eid = ism_get_system_eid, + .get_chid = ism_get_chid, }; static int ism_dev_init(struct ism_dev *ism) |