diff options
| author | Shiraz Saleem <shirazsaleem@microsoft.com> | 2025-05-07 08:59:05 -0700 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-05-12 07:31:48 -0400 |
| commit | 505cc26bcae00699bacaee66cd50ede7a9cc89cb (patch) | |
| tree | 342feccd7f2a0f0ebfa897ec1a994b7c76d38b7d /include/net/mana/gdma.h | |
| parent | d4293f96ce0b6d27d9ca13fdcd7caa135f3d2732 (diff) | |
net: mana: Add support for auxiliary device servicing events
Handle soc servicing events which require the rdma auxiliary device resources to
be cleaned up during a suspend, and re-initialized during a resume.
Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com>
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1746633545-17653-5-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include/net/mana/gdma.h')
| -rw-r--r-- | include/net/mana/gdma.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index ffa9820f14ba..3ce56a816425 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -60,6 +60,7 @@ enum gdma_eqe_type { GDMA_EQE_HWC_INIT_DONE = 131, GDMA_EQE_HWC_SOC_RECONFIG = 132, GDMA_EQE_HWC_SOC_RECONFIG_DATA = 133, + GDMA_EQE_HWC_SOC_SERVICE = 134, GDMA_EQE_RNIC_QP_FATAL = 176, }; @@ -70,6 +71,18 @@ enum { GDMA_DEVICE_MANA_IB = 3, }; +enum gdma_service_type { + GDMA_SERVICE_TYPE_NONE = 0, + GDMA_SERVICE_TYPE_RDMA_SUSPEND = 1, + GDMA_SERVICE_TYPE_RDMA_RESUME = 2, +}; + +struct mana_service_work { + struct work_struct work; + struct gdma_dev *gdma_dev; + enum gdma_service_type event; +}; + struct gdma_resource { /* Protect the bitmap */ spinlock_t lock; @@ -224,6 +237,8 @@ struct gdma_dev { void *driver_data; struct auxiliary_device *adev; + bool is_suspended; + bool rdma_teardown; }; /* MANA_PAGE_SIZE is the DMA unit */ @@ -409,6 +424,8 @@ struct gdma_context { struct gdma_dev mana_ib; u64 pf_cap_flags1; + + struct workqueue_struct *service_wq; }; static inline bool mana_gd_is_mana(struct gdma_dev *gd) @@ -891,4 +908,6 @@ int mana_gd_destroy_dma_region(struct gdma_context *gc, u64 dma_region_handle); void mana_register_debugfs(void); void mana_unregister_debugfs(void); +int mana_rdma_service_event(struct gdma_context *gc, enum gdma_service_type event); + #endif /* _GDMA_H */ |