diff options
| author |   Dean Luick <dean.luick@intel.com> | 2016-04-14 08:31:36 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-04-28 16:32:29 -0400 |
| commit | feb831ddf2f2cfbc4d26d9df3a982790f6fbbf6a (patch) | |
| tree | 4c2967f2a812b59d40f5d1f7ab0b459d6f1e5728 /drivers/staging/rdma/hfi1/chip.h | |
| parent | IB/hfi1: Ignore link downgrade with 0 lanes (diff) | |
| download | linux-dev-feb831ddf2f2cfbc4d26d9df3a982790f6fbbf6a.tar.xz linux-dev-feb831ddf2f2cfbc4d26d9df3a982790f6fbbf6a.zip | |
IB/hfi1: Use the neighbor link down reason only when valid
The 8051 uses a link down reason to inform the driver why the
link went down. The neighbor planned link down reason code is
only valid when a link down idle message is received by the 8051.
Enhance the explanation on why the link went down.
Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/staging/rdma/hfi1/chip.h')
| -rw-r--r-- | drivers/staging/rdma/hfi1/chip.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/rdma/hfi1/chip.h b/drivers/staging/rdma/hfi1/chip.h index e02e00619adc..1948706fff1a 100644 --- a/drivers/staging/rdma/hfi1/chip.h +++ b/drivers/staging/rdma/hfi1/chip.h @@ -389,6 +389,7 @@ #define LAST_REMOTE_STATE_COMPLETE 0x13 #define LINK_QUALITY_INFO 0x14 #define REMOTE_DEVICE_ID 0x15 +#define LINK_DOWN_REASON 0x16 /* 8051 lane specific register field IDs */ #define TX_EQ_SETTINGS 0x00 @@ -497,6 +498,11 @@ #define PWRM_BER_CONTROL 0x1 #define PWRM_BANDWIDTH_CONTROL 0x2 +/* 8051 link down reasons */ +#define LDR_LINK_TRANSFER_ACTIVE_LOW 0xa +#define LDR_RECEIVED_LINKDOWN_IDLE_MSG 0xb +#define LDR_RECEIVED_HOST_OFFLINE_REQ 0xc + /* verify capability fabric CRC size bits */ enum { CAP_CRC_14B = (1 << 0), /* 14b CRC */ |