diff options
| author | Long Li <longli@microsoft.com> | 2025-11-26 13:45:52 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-12-01 13:53:53 -0800 |
| commit | 9bf66036d686b9a67000ba22bd94be13a4ea79ac (patch) | |
| tree | 78a6592716159ccac64852429814309e85f2b0db /include | |
| parent | 6ab578739a4c1f5ae3c5416d9c7339a2f50d83f1 (diff) | |
net: mana: Handle hardware recovery events when probing the device
When MANA is being probed, it's possible that hardware is in recovery
mode and the device may get GDMA_EQE_HWC_RESET_REQUEST over HWC in the
middle of the probe. Detect such condition and go through the recovery
service procedure.
Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://patch.msgid.link/1764193552-9712-1-git-send-email-longli@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/mana/gdma.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index a4cf307859f8..eaa27483f99b 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -382,6 +382,10 @@ struct gdma_irq_context { char name[MANA_IRQ_NAME_SZ]; }; +enum gdma_context_flags { + GC_PROBE_SUCCEEDED = 0, +}; + struct gdma_context { struct device *dev; struct dentry *mana_pci_debugfs; @@ -430,6 +434,8 @@ struct gdma_context { u64 pf_cap_flags1; struct workqueue_struct *service_wq; + + unsigned long flags; }; static inline bool mana_gd_is_mana(struct gdma_dev *gd) @@ -600,6 +606,9 @@ enum { /* Driver can send HWC periodically to query stats */ #define GDMA_DRV_CAP_FLAG_1_PERIODIC_STATS_QUERY BIT(21) +/* Driver can handle hardware recovery events during probe */ +#define GDMA_DRV_CAP_FLAG_1_PROBE_RECOVERY BIT(22) + #define GDMA_DRV_CAP_FLAGS1 \ (GDMA_DRV_CAP_FLAG_1_EQ_SHARING_MULTI_VPORT | \ GDMA_DRV_CAP_FLAG_1_NAPI_WKDONE_FIX | \ @@ -611,7 +620,8 @@ enum { GDMA_DRV_CAP_FLAG_1_HANDLE_RECONFIG_EQE | \ GDMA_DRV_CAP_FLAG_1_HW_VPORT_LINK_AWARE | \ GDMA_DRV_CAP_FLAG_1_PERIODIC_STATS_QUERY | \ - GDMA_DRV_CAP_FLAG_1_SKB_LINEARIZE) + GDMA_DRV_CAP_FLAG_1_SKB_LINEARIZE | \ + GDMA_DRV_CAP_FLAG_1_PROBE_RECOVERY) #define GDMA_DRV_CAP_FLAGS2 0 |