Page Menu
Home
FreeBSD
Search
Configure Global Search
Log In
Files
F170968804
D58872.id186013.diff
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Flag For Later
Award Token
Size
2 KB
Referenced Files
None
Subscribers
None
D58872.id186013.diff
View Options
diff --git a/sys/dev/apple_bce/apple_bce_vhci.c b/sys/dev/apple_bce/apple_bce_vhci.c
--- a/sys/dev/apple_bce/apple_bce_vhci.c
+++ b/sys/dev/apple_bce/apple_bce_vhci.c
@@ -176,6 +176,8 @@
struct bce_vhci_message *msg);
static void bce_vhci_complete_ctrl_locked(struct bce_vhci_softc *vhci,
struct bce_vhci_transfer_queue *tq, struct bce_vhci_message *msg);
+static void bce_vhci_ctrl_start_in_data(struct bce_vhci_softc *vhci,
+ struct bce_vhci_transfer_queue *tq);
static void bce_vhci_handle_ctrl_status(struct bce_vhci_softc *vhci,
struct bce_vhci_message *msg);
static uint16_t bce_vhci_handle_endpoint_req_state(struct bce_vhci_softc *vhci,
@@ -1623,6 +1625,71 @@
}
}
+static void
+bce_vhci_ctrl_start_in_data(struct bce_vhci_softc *vhci,
+ struct bce_vhci_transfer_queue *tq)
+{
+ struct bce_vhci_message treq;
+ struct bce_qe_submission *si;
+ struct usb_xfer *xfer;
+ uint32_t dlen;
+
+ dlen = tq->ctrl_data_len;
+ if (dlen > BCE_VHCI_XFER_BUFSZ)
+ dlen = BCE_VHCI_XFER_BUFSZ;
+
+ xfer = tq->active_xfer;
+ tq->ctrl_state = BCE_VHCI_CTRL_STATUS;
+ USB_BUS_UNLOCK(&vhci->sc_bus);
+
+ memset(&treq, 0, sizeof(treq));
+ treq.cmd = BCE_VHCI_CMD_TRANSFER_REQUEST;
+ treq.param1 = ((uint32_t)tq->endp_addr << 8) | tq->dev_addr;
+ treq.param2 = dlen;
+
+ bus_dmamap_sync(tq->dma_tag, tq->dma_map, BUS_DMASYNC_PREREAD);
+
+ mtx_lock_spin(&vhci->sc_async_lock);
+ if (bce_reserve_submission(vhci->msg_asynchronous.sq) != 0) {
+ mtx_unlock_spin(&vhci->sc_async_lock);
+ goto fail;
+ }
+ mtx_unlock_spin(&vhci->sc_async_lock);
+
+ mtx_lock_spin(&tq->lock);
+ if (bce_reserve_submission(tq->sq_in) != 0) {
+ mtx_unlock_spin(&tq->lock);
+ mtx_lock_spin(&vhci->sc_async_lock);
+ atomic_add_int(
+ &vhci->msg_asynchronous.sq->available_commands, 1);
+ mtx_unlock_spin(&vhci->sc_async_lock);
+ goto fail;
+ }
+ si = bce_next_submission(tq->sq_in);
+ si->addr = tq->dma_addr;
+ si->length = dlen;
+ si->segl_addr = 0;
+ si->segl_length = 0;
+ bce_submit_to_device(vhci->sc_bce, tq->sq_in);
+ mtx_unlock_spin(&tq->lock);
+
+ mtx_lock_spin(&vhci->sc_async_lock);
+ bce_vhci_msg_queue_write(vhci, &vhci->msg_asynchronous, &treq);
+ mtx_unlock_spin(&vhci->sc_async_lock);
+
+ USB_BUS_LOCK(&vhci->sc_bus);
+ return;
+
+fail:
+ USB_BUS_LOCK(&vhci->sc_bus);
+ if (tq->active_xfer == xfer) {
+ tq->active_xfer = NULL;
+ tq->dma_inflight = 0;
+ tq->ctrl_state = BCE_VHCI_CTRL_IDLE;
+ usbd_transfer_done(xfer, USB_ERR_IOERROR);
+ }
+}
+
/*
* Transfer queue DMA completion callback. Fires when the firmware
* has consumed (OUT) or filled (IN) a DMA buffer we submitted.
@@ -1771,6 +1838,9 @@
vhci, tq,
&tq->ctrl_status_msg);
}
+ if (tq->ctrl_state == BCE_VHCI_CTRL_DATA &&
+ tq->ctrl_dir == UE_DIR_IN)
+ bce_vhci_ctrl_start_in_data(vhci, tq);
} else if (tq->ctrl_state ==
BCE_VHCI_CTRL_STATUS &&
tq->ctrl_dir == UE_DIR_OUT) {
File Metadata
Details
Attached
Mime Type
text/plain
Expires
Tue, Sep 8, 10:22 PM (14 h, 16 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
38480393
Default Alt Text
D58872.id186013.diff (2 KB)
Attached To
Mode
D58872: apple_bce: initiate IN data phase for control transfers
Attached
Detach File
Event Timeline
Log In to Comment