diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mhi_ep.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/mhi_ep.h b/include/linux/mhi_ep.h index e2b94f9eb846..5db048e258e4 100644 --- a/include/linux/mhi_ep.h +++ b/include/linux/mhi_ep.h @@ -59,6 +59,10 @@ struct mhi_ep_db_info { * @mhi_event: Points to the event ring configurations table * @mhi_cmd: Points to the command ring configurations table * @sm: MHI Endpoint state machine + * @ch_ctx_host_pa: Physical address of host channel context data structure + * @ev_ctx_host_pa: Physical address of host event context data structure + * @cmd_ctx_host_pa: Physical address of host command context data structure + * @chdb: Array of channel doorbell interrupt info * @raise_irq: CB function for raising IRQ to the host * @alloc_map: CB function for allocating memory in endpoint for storing host context and mapping it * @unmap_free: CB function to unmap and free the allocated memory in endpoint for storing host context @@ -67,6 +71,10 @@ struct mhi_ep_db_info { * @mhi_state: MHI Endpoint state * @max_chan: Maximum channels supported by the endpoint controller * @mru: MRU (Maximum Receive Unit) value of the endpoint controller + * @event_rings: Number of event rings supported by the endpoint controller + * @hw_event_rings: Number of hardware event rings supported by the endpoint controller + * @chdb_offset: Channel doorbell offset set by the host + * @erdb_offset: Event ring doorbell offset set by the host * @index: MHI Endpoint controller index */ struct mhi_ep_cntrl { @@ -79,6 +87,12 @@ struct mhi_ep_cntrl { struct mhi_ep_cmd *mhi_cmd; struct mhi_ep_sm *sm; + u64 ch_ctx_host_pa; + u64 ev_ctx_host_pa; + u64 cmd_ctx_host_pa; + + struct mhi_ep_db_info chdb[4]; + void (*raise_irq)(struct mhi_ep_cntrl *mhi_cntrl, u32 vector); int (*alloc_map)(struct mhi_ep_cntrl *mhi_cntrl, u64 pci_addr, phys_addr_t *phys_ptr, void __iomem **virt, size_t size); @@ -91,6 +105,10 @@ struct mhi_ep_cntrl { u32 max_chan; u32 mru; + u32 event_rings; + u32 hw_event_rings; + u32 chdb_offset; + u32 erdb_offset; u32 index; }; |