static enum MHI_STATUS mhi_event_ring_init(struct mhi_event_ctxt *ev_list,
struct mhi_ring *ring, u32 el_per_ring,
u32 intmodt_val, u32 msi_vec)
{
ev_list->mhi_event_er_type = MHI_EVENT_RING_TYPE_VALID;
ev_list->mhi_msi_vector = msi_vec;
ev_list->mhi_event_ring_len = el_per_ring*sizeof(union mhi_event_pkt);
MHI_SET_EV_CTXT(EVENT_CTXT_INTMODT, ev_list, intmodt_val);
ring->len = ((size_t)(el_per_ring)*sizeof(union mhi_event_pkt));
ring->el_size = sizeof(union mhi_event_pkt);
ring->overwrite_en = 0;
/* Flush writes to MMIO */
wmb();
return MHI_STATUS_SUCCESS;
}
/**
* mhi_event_ring_init - Initialize an event ring
*
* @ev_list: Event ring context to initialize
* @trb_list_phy_addr: Pointer to phy mem to the tre list for event ring
* @trb_list_virt_addr: Pointer to virt mem to the tre list for event ring
* @el_per_ring: Number of event ring elements in this ring
* @ring: Pointer to the shadow context of this event ring
*
* @Return MHI_STATUS
*/
static enum MHI_STATUS mhi_event_ring_init(struct mhi_event_ctxt *ev_list,
uintptr_t trb_list_phy_addr, uintptr_t trb_list_virt_addr,
size_t el_per_ring, struct mhi_ring *ring,
u32 intmodt_val, u32 msi_vec)
{
ev_list->mhi_event_er_type = MHI_EVENT_RING_TYPE_VALID;
ev_list->mhi_msi_vector = msi_vec;
ev_list->mhi_event_ring_base_addr = trb_list_phy_addr;
ev_list->mhi_event_ring_len = el_per_ring*sizeof(union mhi_event_pkt);
ev_list->mhi_event_read_ptr = trb_list_phy_addr;
ev_list->mhi_event_write_ptr = trb_list_phy_addr;
MHI_SET_EV_CTXT(EVENT_CTXT_INTMODT, ev_list, intmodt_val);
ring->wp = (void *)(uintptr_t)trb_list_virt_addr;
ring->rp = (void *)(uintptr_t)trb_list_virt_addr;
ring->base = (void *)(uintptr_t)(trb_list_virt_addr);
ring->len = ((size_t)(el_per_ring)*sizeof(union mhi_event_pkt));
ring->el_size = sizeof(union mhi_event_pkt);
ring->overwrite_en = 0;
return MHI_STATUS_SUCCESS;
}