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| author |   Xiangliang Yu <Xiangliang.Yu@amd.com> | 2016-11-18 14:51:41 +0530 |
|---|---|---|
| committer |   Jon Mason <jdmason@kudzu.us> | 2016-12-23 16:09:15 -0500 |
| commit | e5b0d2d1ba92a8e424e7395537a96e8a373d0267 (patch) | |
| tree | e75e4a9bb67c9310f0314f0eaf697d31e19567e6 /drivers/ntb/hw/amd/ntb_hw_amd.h | |
| parent | ntb: Adding Skylake Xeon NTB support (diff) | |
| download | wireguard-linux-e5b0d2d1ba92a8e424e7395537a96e8a373d0267.tar.xz wireguard-linux-e5b0d2d1ba92a8e424e7395537a96e8a373d0267.zip | |
NTB: add support for hotplug feature
AMD NTB support hotplug under B2B mode. NTB will trigger link
up/down interrupt event when doing plug add/remove, this patch
implements the two interrupt event to support B2B hotplug function.
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to '')
| -rw-r--r-- | drivers/ntb/hw/amd/ntb_hw_amd.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.h b/drivers/ntb/hw/amd/ntb_hw_amd.h index 2eac3cd3e646..13d73ed94a52 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.h +++ b/drivers/ntb/hw/amd/ntb_hw_amd.h @@ -148,9 +148,12 @@ enum { AMD_PEER_D3_EVENT = BIT(2), AMD_PEER_PMETO_EVENT = BIT(3), AMD_PEER_D0_EVENT = BIT(4), + AMD_LINK_UP_EVENT = BIT(5), + AMD_LINK_DOWN_EVENT = BIT(6), AMD_EVENT_INTMASK = (AMD_PEER_FLUSH_EVENT | AMD_PEER_RESET_EVENT | AMD_PEER_D3_EVENT | - AMD_PEER_PMETO_EVENT | AMD_PEER_D0_EVENT), + AMD_PEER_PMETO_EVENT | AMD_PEER_D0_EVENT | + AMD_LINK_UP_EVENT | AMD_LINK_DOWN_EVENT), AMD_PMESTAT_OFFSET = 0x480, AMD_PMSGTRIG_OFFSET = 0x490, |