[RFC/PATCH v1 5/5] uas: HS-UAS mode implementation
From: Tatyana Brokhman
Date: Thu Apr 14 2011 - 09:37:36 EST
This patch adds implementation for UAS protocol over a HS USB bus
connection.
Signed-off-by: Tatyana Brokhman <tlinder@xxxxxxxxxxxxxx>
diff --git a/drivers/usb/gadget/f_uasp.c b/drivers/usb/gadget/f_uasp.c
index 7b1e2bd..1323207 100644
--- a/drivers/usb/gadget/f_uasp.c
+++ b/drivers/usb/gadget/f_uasp.c
@@ -928,6 +928,8 @@ reset_uasp:
fcommon->fsg = new_fsg;
fsgd = fcommon->fsg;
+ uaspd->op_mode = (fcommon->gadget->speed == USB_SPEED_SUPER ?
+ SS_UASP_MODE : HS_UASP_MODE);
/* Enable the endpoints */
config_ep_by_speed(fcommon->gadget, &fsgd->function, fsgd->bulk_in);
@@ -996,9 +998,9 @@ reset_uasp:
goto reset_uasp;
}
- DBG(uaspd->ucommon->common, "%s() allocated command request = %p, "
- "udev=%p\n", __func__,
- uaspd->cmd_buff.outreq, uaspd);
+ DBG(uaspd->ucommon->common, "%s() Enebled endpoints. "
+ "Opperation mode = %d\n", __func__,
+ uaspd->op_mode);
uaspd->cmd_buff.outreq->buf = &(uaspd->cmd_buff.buf);
uaspd->cmd_buff.inreq = NULL;
uaspd->cmd_buff.state = BUF_STATE_EMPTY;
@@ -1202,6 +1204,7 @@ static int uasp_command_check(struct uasp_dev *udev, void **command)
list_for_each_entry(tmp_cmdiu, &curlun->cmd_queue, node) {
if (tmp_cmdiu->state != COMMAND_STATE_IDLE &&
tmp_cmdiu->state != COMMAND_STATE_DATA &&
+ tmp_cmdiu->state != COMMAND_STATE_RR_WR &&
tmp_cmdiu->state != COMMAND_STATE_STATUS) {
continue;
}
@@ -1228,6 +1231,7 @@ static int uasp_command_check(struct uasp_dev *udev, void **command)
list_for_each_entry(tmp_cmdiu, &udev->cmd_queue, node) {
if (tmp_cmdiu->state != COMMAND_STATE_IDLE &&
tmp_cmdiu->state != COMMAND_STATE_DATA &&
+ tmp_cmdiu->state != COMMAND_STATE_RR_WR &&
tmp_cmdiu->state != COMMAND_STATE_STATUS)
continue;
@@ -1306,7 +1310,8 @@ overlapped_tag:
fill_usb_request(tmiu->bh->inreq, tmiu->bh->buf,
UASP_SIZEOF_RESPONSE_IU, 0,
(void *)tmiu, 0,
- be16_to_cpup(&tmiu->tag), status_complete);
+ be16_to_cpup(&tmiu->tag), status_complete,
+ udev->op_mode);
tmiu->ep = udev->status;
tmiu->bh->inreq_busy = 1;
@@ -1335,7 +1340,8 @@ overlapped_tag:
fill_usb_request(cmdiu->bh->inreq, cmdiu->bh->buf,
UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
cmdiu->bh->inreq_busy = 1;
if (usb_ep_queue(cmdiu->ep, cmdiu->bh->inreq, 0))
@@ -1674,7 +1680,8 @@ void abort_commands(struct uasp_dev *udev,
spin_lock_irqsave(lock, flags);
list_for_each_entry_safe(cmdiu, tmp_cmdiu, cmd_queue, node) {
- if (cmdiu->state == COMMAND_STATE_DATA) {
+ if (cmdiu->state == COMMAND_STATE_DATA ||
+ cmdiu->state == COMMAND_STATE_RR_WR) {
if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS) {
spin_unlock_irqrestore(lock, flags);
if (cmdiu->bh->inreq_busy)
@@ -2377,6 +2384,7 @@ uasp_add_err:
* @short_not_ok: short_not_ok field of the request.
* @stream_id: stream_id field of the request.
* @complete: complete function to be called on request completion
+ * @op_mode: operation mode (HS_UASP_MODE/SS_UASP_MODE)
*
*/
void fill_usb_request(struct usb_request *req,
@@ -2386,14 +2394,15 @@ void fill_usb_request(struct usb_request *req,
void *context,
unsigned short_not_ok,
unsigned stream_id,
- usb_request_complete_t complete)
+ usb_request_complete_t complete,
+ uint8_t op_mode)
{
req->buf = buf;
req->length = length;
req->zero = zero;
req->context = context;
req->short_not_ok = short_not_ok;
- req->stream_id = stream_id;
+ req->stream_id = (op_mode == SS_UASP_MODE ? stream_id : 0);
req->complete = complete;
}
diff --git a/drivers/usb/gadget/f_uasp.h b/drivers/usb/gadget/f_uasp.h
index 42e0d0fa..651d030 100644
--- a/drivers/usb/gadget/f_uasp.h
+++ b/drivers/usb/gadget/f_uasp.h
@@ -130,6 +130,10 @@ struct uasp_dev {
struct usb_ep *command;
struct fsg_buffhd cmd_buff;
+#define HS_UASP_MODE 0
+#define SS_UASP_MODE 1
+ uint8_t op_mode;
+
unsigned int cmd_enabled;
unsigned int status_enabled;
@@ -343,6 +347,28 @@ struct response_iu {
} __attribute__((__packed__));
#define UASP_SIZEOF_RESPONSE_IU 8
+
+/* READ/WRITE READY IU - see table 14/15 of the UAS Spec */
+struct rw_ready_iu {
+ __u8 iu_id;
+ __u8 reserved;
+ __be16 tag; /* section 4.2 of the UAS spec */
+} __attribute__((__packed__));
+#define UASP_SIZEOF_RW_READY_IU 4
+
+/**
+ * fill_usb_request() - fills the usb_request structure with the given values.
+ * @req: pointer to usb_request structure to be filled.
+ * @buf: the buffer to send/receive
+ * @length: length field of the request.
+ * @zero: zero field of the request.
+ * @context: context field of the request.
+ * @short_not_ok: short_not_ok field of the request.
+ * @stream_id: stream_id field of the request.
+ * @complete: complete function to be called on request completion
+ * @op_mode: operation mode (HS_UASP_MODE/SS_UASP_MODE)
+ *
+ */
void fill_usb_request(struct usb_request *req,
void *buf,
unsigned length,
@@ -350,7 +376,8 @@ void fill_usb_request(struct usb_request *req,
void *context,
unsigned short_not_ok,
unsigned stream_id,
- usb_request_complete_t complete);
+ usb_request_complete_t complete,
+ uint8_t op_mode);
/**
* uasp_bulk_in_complete() - Callback function for the bulk IN endpoint
diff --git a/drivers/usb/gadget/uasp_cmdiu.c b/drivers/usb/gadget/uasp_cmdiu.c
index c8aaf4d..57fd4e7 100644
--- a/drivers/usb/gadget/uasp_cmdiu.c
+++ b/drivers/usb/gadget/uasp_cmdiu.c
@@ -130,6 +130,22 @@ void fill_sense_iu(struct uasp_dev *udev,
}
/**
+ * fill_rw_ready_iu() - fills the struct rw_ready_iu with a given values.
+ * @rwr_iu: Pointer to structure to be filled.
+ * @iu_id: can be IU_ID_READ_READY or IU_ID_WRITE_READY only
+ * @tag: tag field of the structure.
+ *
+ * TODO: add verification of iu_id
+ */
+static void fill_rw_ready_iu(struct rw_ready_iu *rwr_iu,
+ __u8 iu_id,
+ __be16 tag)
+{
+ rwr_iu->iu_id = iu_id;
+ rwr_iu->tag = tag;
+}
+
+/**
* do_uasp_inquiry() - performs INQUIRY SCSI command.
* @udev: Programming view of UASP device.
* @curlun: Pointer to struct uasp_lun if the COMMAND IU to be
@@ -170,6 +186,29 @@ static int do_uasp_inquiry(struct uasp_dev *udev,
}
switch (cmdiu->state) {
+ case COMMAND_STATE_RR_WR:
+ /* READ READY not sent, create request and submit */
+ if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
+ fill_rw_ready_iu((struct rw_ready_iu *)bh->buf,
+ IU_ID_READ_READY, cmdiu->tag);
+ fill_usb_request(req, bh->buf, UASP_SIZEOF_RW_READY_IU,
+ 0, (void *)cmdiu, 0,
+ be16_to_cpup(&cmdiu->tag),
+ status_complete, udev->op_mode);
+
+ cmdiu->ep = udev->status;
+ cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
+ rc = 1;
+ break;
+ }
+ /* Completion of sent READ READY IU is not received yet */
+ else if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS)
+ break;
+ /* Completion of the sent READ READY is done */
+ else {
+ cmdiu->state = COMMAND_STATE_DATA;
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
+ }
case COMMAND_STATE_DATA:
/* Data is not sent, create and submit*/
if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
@@ -196,7 +235,7 @@ static int do_uasp_inquiry(struct uasp_dev *udev,
(int)get_unaligned_be16(&cmdiu->cdb[3])),
0, (void *)cmdiu, 0,
be16_to_cpup(&cmdiu->tag),
- uasp_bulk_in_complete);
+ uasp_bulk_in_complete, udev->op_mode);
cmdiu->ep = udev->fsg_dev.bulk_in;
cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
@@ -213,7 +252,8 @@ static int do_uasp_inquiry(struct uasp_dev *udev,
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
@@ -269,13 +309,38 @@ static int do_uasp_request_sense(struct uasp_dev *udev,
if (sense) {
status = STATUS_CHECK_CONDITION;
cmdiu->state = COMMAND_STATE_STATUS;
- } else {
+ } else if (udev->op_mode == HS_UASP_MODE)
+ cmdiu->state = COMMAND_STATE_RR_WR;
+ else
cmdiu->state = COMMAND_STATE_DATA;
- cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
- }
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
}
switch (cmdiu->state) {
+ case COMMAND_STATE_RR_WR:
+ /* READ READY not sent, create request and submit */
+ if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
+ fill_rw_ready_iu((struct rw_ready_iu *)cmdiu->bh->buf,
+ IU_ID_READ_READY, cmdiu->tag);
+ fill_usb_request(cmdiu->bh->inreq, cmdiu->bh->buf,
+ UASP_SIZEOF_RW_READY_IU,
+ 0, (void *)cmdiu, 0,
+ be16_to_cpup(&cmdiu->tag),
+ status_complete, udev->op_mode);
+
+ cmdiu->ep = udev->status;
+ cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
+ rc = 1;
+ break;
+ }
+ /* Completion of sent READ READY IU is not received yet */
+ else if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS)
+ break;
+ /* Completion of the sent READ READY is done */
+ else {
+ cmdiu->state = COMMAND_STATE_DATA;
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
+ }
case COMMAND_STATE_DATA:
/* Data is not sent, create and submit */
if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
@@ -323,7 +388,7 @@ static int do_uasp_request_sense(struct uasp_dev *udev,
min(18, (int)cmdiu->cdb[4]),
0, (void *)cmdiu, 0,
be16_to_cpup(&cmdiu->tag),
- uasp_bulk_in_complete);
+ uasp_bulk_in_complete, udev->op_mode);
cmdiu->ep = udev->fsg_dev.bulk_in;
cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
@@ -341,7 +406,7 @@ static int do_uasp_request_sense(struct uasp_dev *udev,
fill_usb_request(cmdiu->bh->inreq, cmdiu->bh->buf,
UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0, be16_to_cpup(&cmdiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
break;
@@ -387,7 +452,8 @@ static int do_uasp_test_unit_ready(struct uasp_dev *udev,
status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0, cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
return 1;
}
@@ -440,13 +506,39 @@ static int do_uasp_mode_sense(struct uasp_dev *udev,
sense = SS_INVALID_FIELD_IN_CDB;
status = STATUS_CHECK_CONDITION;
cmdiu->state = COMMAND_STATE_STATUS;
- } else
+ } else if (udev->op_mode == HS_UASP_MODE)
+ cmdiu->state = COMMAND_STATE_RR_WR;
+ else
cmdiu->state = COMMAND_STATE_DATA;
cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
}
switch (cmdiu->state) {
+ case COMMAND_STATE_RR_WR:
+ /* READ READY not sent, create request and submit */
+ if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
+ fill_rw_ready_iu((struct rw_ready_iu *)bh->buf,
+ IU_ID_READ_READY, cmdiu->tag);
+ fill_usb_request(req, cmdiu->bh->buf,
+ UASP_SIZEOF_RW_READY_IU,
+ 0, (void *)cmdiu, 0,
+ be16_to_cpup(&cmdiu->tag),
+ status_complete, udev->op_mode);
+
+ cmdiu->ep = udev->status;
+ cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
+ rc = 1;
+ break;
+ }
+ /* Completion of sent READ READY IU is not received yet */
+ else if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS)
+ break;
+ /* Completion of the sent READ READY is done */
+ else {
+ cmdiu->state = COMMAND_STATE_DATA;
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
+ }
case COMMAND_STATE_DATA:
/* Data is not sent, create and submit */
if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
@@ -512,7 +604,7 @@ static int do_uasp_mode_sense(struct uasp_dev *udev,
fill_usb_request(req, buf0, len, 0, cmdiu, 0,
be16_to_cpup(&cmdiu->tag),
- uasp_bulk_in_complete);
+ uasp_bulk_in_complete, udev->op_mode);
cmdiu->ep = udev->fsg_dev.bulk_in;
cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
rc = 1;
@@ -528,7 +620,7 @@ static int do_uasp_mode_sense(struct uasp_dev *udev,
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0, be16_to_cpup(&cmdiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
break;
@@ -589,7 +681,8 @@ uasp_prevent_allow_status:
fill_sense_iu(udev, (struct sense_iu *)bh->buf,
cmdiu->tag, status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0, cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
return 1;
}
@@ -673,7 +766,9 @@ static int do_uasp_read(struct uasp_dev *udev,
SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
status = STATUS_CHECK_CONDITION;
cmdiu->state = COMMAND_STATE_STATUS;
- } else
+ } else if (udev->op_mode == HS_UASP_MODE)
+ cmdiu->state = COMMAND_STATE_RR_WR;
+ else
cmdiu->state = COMMAND_STATE_DATA;
cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
@@ -684,6 +779,30 @@ static int do_uasp_read(struct uasp_dev *udev,
switch_cmdiu_state:
switch (cmdiu->state) {
+ case COMMAND_STATE_RR_WR:
+ /* READ READY not sent, create request and submit */
+ if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
+ fill_rw_ready_iu((struct rw_ready_iu *)bh->buf,
+ IU_ID_READ_READY, cmdiu->tag);
+ fill_usb_request(req, cmdiu->bh->buf,
+ UASP_SIZEOF_RW_READY_IU,
+ 0, (void *)cmdiu, 0,
+ be16_to_cpup(&cmdiu->tag),
+ status_complete, udev->op_mode);
+
+ cmdiu->ep = udev->status;
+ cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
+ rc = 1;
+ break;
+ }
+ /* Completion of sent READ READY IU is not received yet */
+ else if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS)
+ break;
+ /* Completion of the sent READ READY is done */
+ else {
+ cmdiu->state = COMMAND_STATE_DATA;
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
+ }
case COMMAND_STATE_DATA:
/* Data is not sent, create and submit*/
if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
@@ -760,7 +879,7 @@ send_more_data: /*
fill_usb_request(req, bh->buf, nread, 0,
cmdiu, 0, be16_to_cpup(&cmdiu->tag),
- uasp_bulk_in_complete);
+ uasp_bulk_in_complete, udev->op_mode);
cmdiu->ep = udev->fsg_dev.bulk_in;
cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
rc = 1;
@@ -786,7 +905,8 @@ send_status:
fill_sense_iu(udev, bh->buf, cmdiu->tag, status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
break;
@@ -835,13 +955,39 @@ static int do_uasp_read_capacity(struct uasp_dev *udev,
sense = SS_INVALID_FIELD_IN_CDB;
status = STATUS_CHECK_CONDITION;
cmdiu->state = COMMAND_STATE_STATUS;
- } else
+ } else if (udev->op_mode == HS_UASP_MODE)
+ cmdiu->state = COMMAND_STATE_RR_WR;
+ else
cmdiu->state = COMMAND_STATE_DATA;
cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
}
switch (cmdiu->state) {
+ case COMMAND_STATE_RR_WR:
+ /* READ READY not sent, create request and submit */
+ if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
+ fill_rw_ready_iu((struct rw_ready_iu *)bh->buf,
+ IU_ID_READ_READY, cmdiu->tag);
+ fill_usb_request(req, cmdiu->bh->buf,
+ UASP_SIZEOF_RW_READY_IU,
+ 0, (void *)cmdiu, 0,
+ be16_to_cpup(&cmdiu->tag),
+ status_complete, udev->op_mode);
+
+ cmdiu->ep = udev->status;
+ cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
+ rc = 1;
+ break;
+ }
+ /* Completion of sent READ READY IU is not received yet */
+ else if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS)
+ break;
+ /* Completion of the sent READ READY is done */
+ else {
+ cmdiu->state = COMMAND_STATE_DATA;
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
+ }
case COMMAND_STATE_DATA:
/* Data is not sent, create and submit */
if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
@@ -852,7 +998,7 @@ static int do_uasp_read_capacity(struct uasp_dev *udev,
fill_usb_request(req, bh->buf, 8, 0,
cmdiu, 0, be16_to_cpup(&cmdiu->tag),
- uasp_bulk_in_complete);
+ uasp_bulk_in_complete, udev->op_mode);
cmdiu->ep = udev->fsg_dev.bulk_in;
cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
@@ -867,7 +1013,8 @@ static int do_uasp_read_capacity(struct uasp_dev *udev,
fill_sense_iu(udev, bh->buf, cmdiu->tag, status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
break;
@@ -910,13 +1057,39 @@ static int do_uasp_read_format_capacities(struct uasp_dev *udev,
if (sense) {
status = STATUS_CHECK_CONDITION;
cmdiu->state = COMMAND_STATE_STATUS;
- } else
+ } else if (udev->op_mode == HS_UASP_MODE)
+ cmdiu->state = COMMAND_STATE_RR_WR;
+ else
cmdiu->state = COMMAND_STATE_DATA;
cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
}
switch (cmdiu->state) {
+ case COMMAND_STATE_RR_WR:
+ /* READ READY not sent, create request and submit */
+ if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
+ fill_rw_ready_iu((struct rw_ready_iu *)bh->buf,
+ IU_ID_READ_READY, cmdiu->tag);
+ fill_usb_request(req, cmdiu->bh->buf,
+ UASP_SIZEOF_RW_READY_IU,
+ 0, (void *)cmdiu, 0,
+ be16_to_cpup(&cmdiu->tag),
+ status_complete, udev->op_mode);
+
+ cmdiu->ep = udev->status;
+ cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
+ rc = 1;
+ break;
+ }
+ /* Completion of sent READ READY IU is not received yet */
+ else if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS)
+ break;
+ /* Completion of the sent READ READY is done */
+ else {
+ cmdiu->state = COMMAND_STATE_DATA;
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
+ }
case COMMAND_STATE_DATA:
/* Data is not sent, create and submit*/
if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
@@ -934,7 +1107,7 @@ static int do_uasp_read_format_capacities(struct uasp_dev *udev,
fill_usb_request(req, bh->buf, 12, 0,
cmdiu, 0, be16_to_cpup(&cmdiu->tag),
- uasp_bulk_in_complete);
+ uasp_bulk_in_complete, udev->op_mode);
cmdiu->ep = udev->fsg_dev.bulk_in;
cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
@@ -949,7 +1122,8 @@ static int do_uasp_read_format_capacities(struct uasp_dev *udev,
fill_sense_iu(udev, bh->buf, cmdiu->tag, status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
break;
@@ -1072,7 +1246,8 @@ do_uasp_start_stop_done:
fill_sense_iu(udev, bh->buf, cmdiu->tag, status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
DBG(udev->ucommon->common, "%s() - Exit\n", __func__);
@@ -1189,7 +1364,8 @@ static int do_uasp_verify(struct uasp_dev *udev,
fill_sense_iu(udev, bh->buf, cmdiu->tag, status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
DBG(udev->ucommon->common, "%s() - Exit\n", __func__);
return 1;
@@ -1306,7 +1482,10 @@ static int do_uasp_write(struct uasp_dev *udev,
}
cmdiu->file_offset = usb_offset = ((loff_t) lba) << 9;
- cmdiu->state = COMMAND_STATE_DATA;
+ if (udev->op_mode == HS_UASP_MODE)
+ cmdiu->state = COMMAND_STATE_RR_WR;
+ else
+ cmdiu->state = COMMAND_STATE_DATA;
cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
DBG(udev->ucommon->common, "%s() lba = %d, file_offset = %d,"
" xfer_len = %d\n",
@@ -1314,6 +1493,30 @@ static int do_uasp_write(struct uasp_dev *udev,
}
switch (cmdiu->state) {
+ case COMMAND_STATE_RR_WR:
+ /* READ READY not sent, create request and submit */
+ if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
+ fill_rw_ready_iu((struct rw_ready_iu *)bh->buf,
+ IU_ID_WRITE_READY, cmdiu->tag);
+ fill_usb_request(bh->inreq, cmdiu->bh->buf,
+ UASP_SIZEOF_RW_READY_IU,
+ 0, (void *)cmdiu, 0,
+ be16_to_cpup(&cmdiu->tag),
+ status_complete, udev->op_mode);
+
+ cmdiu->ep = udev->status;
+ cmdiu->req_sts = CMD_REQ_IN_PROGRESS;
+ rc = 1;
+ break;
+ }
+ /* Completion of sent READ READY IU is not received yet */
+ else if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS)
+ break;
+ /* Completion of the sent READ READY is done */
+ else {
+ cmdiu->state = COMMAND_STATE_DATA;
+ cmdiu->req_sts = CMD_REQ_NOT_SUBMITTED;
+ }
case COMMAND_STATE_DATA:
/* Queue a request for more data from the host */
get_more_data: if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
@@ -1358,7 +1561,7 @@ get_more_data: if (cmdiu->req_sts == CMD_REQ_NOT_SUBMITTED) {
fill_usb_request(req, bh->buf, amount, 0,
cmdiu, 0, be16_to_cpup(&cmdiu->tag),
- uasp_bulk_out_complete);
+ uasp_bulk_out_complete, udev->op_mode);
DBG(udev->ucommon->common, "%s() fill_usb_request for"
" out endpoint, amout = %d",
__func__, amount);
@@ -1458,7 +1661,8 @@ send_status:
fill_sense_iu(udev, bh->buf, cmdiu->tag, status, sense);
fill_usb_request(bh->inreq, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0,
- be16_to_cpup(&cmdiu->tag), status_complete);
+ be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
break;
@@ -1512,7 +1716,8 @@ static int do_uasp_synchronize_cache(struct uasp_dev *udev,
cmdiu->state = COMMAND_STATE_STATUS;
fill_sense_iu(udev, bh->buf, cmdiu->tag, status, sense);
fill_usb_request(req, bh->buf, UASP_SIZEOF_SENSE_IU, 0,
- (void *)cmdiu, 0, be16_to_cpup(&cmdiu->tag), status_complete);
+ (void *)cmdiu, 0, be16_to_cpup(&cmdiu->tag), status_complete,
+ udev->op_mode);
cmdiu->ep = udev->status;
DBG(udev->ucommon->common, "%s() - Exit\n", __func__);
@@ -1600,7 +1805,7 @@ static void process_cmdiu(struct uasp_dev *udev,
fill_usb_request(cmdiu->bh->inreq, (void *)siu,
UASP_SIZEOF_SENSE_IU, 0,
(void *)cmdiu, 0, be16_to_cpup(&cmdiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
cmdiu->ep = udev->status;
rc = 1;
break;
@@ -1676,7 +1881,8 @@ void do_cmdiu(struct uasp_dev *udev, struct uasp_lun *curlun)
"cmdiu!\n", __func__);
continue;
}
- } else if (cmdiu->state == COMMAND_STATE_DATA) {
+ } else if (cmdiu->state == COMMAND_STATE_DATA ||
+ cmdiu->state == COMMAND_STATE_RR_WR) {
if (cmdiu->req_sts == CMD_REQ_COMPLETED)
spin_unlock_irqrestore(
&(udev->ucommon->common->lock), flags);
diff --git a/drivers/usb/gadget/uasp_tmiu.c b/drivers/usb/gadget/uasp_tmiu.c
index 0b4b417..37d8d39 100644
--- a/drivers/usb/gadget/uasp_tmiu.c
+++ b/drivers/usb/gadget/uasp_tmiu.c
@@ -90,7 +90,7 @@ res_lun_fill_response:
fill_usb_request(tmiu->bh->inreq, (void *)riu, UASP_SIZEOF_RESPONSE_IU,
0, (void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
}
@@ -134,7 +134,8 @@ static void abort_task(struct uasp_dev *udev,
found:
if (cmdiu) {
spin_lock_irqsave(&(curlun->lock), flags);
- if (cmdiu->state == COMMAND_STATE_DATA) {
+ if (cmdiu->state == COMMAND_STATE_DATA ||
+ cmdiu->state == COMMAND_STATE_RR_WR) {
if (cmdiu->req_sts == CMD_REQ_IN_PROGRESS) {
spin_unlock_irqrestore(&(curlun->lock), flags);
if (cmdiu->bh->inreq_busy)
@@ -161,7 +162,7 @@ abrt_task_fill_response:
fill_usb_request(tmiu->bh->inreq, (void *)riu, UASP_SIZEOF_RESPONSE_IU,
0, (void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
}
@@ -203,7 +204,7 @@ abrt_ts_fill_response:
fill_usb_request(tmiu->bh->inreq, (void *)riu, UASP_SIZEOF_RESPONSE_IU,
0, (void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
}
@@ -258,7 +259,7 @@ reset_nexus_fill_response:
RESPONSE_TM_FUNCTION_COMPLETE);
fill_usb_request(tmiu->bh->inreq, (void *)riu, UASP_SIZEOF_RESPONSE_IU,
0, (void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
DBG(udev->ucommon->common, "%s() - Exit\n", __func__);
}
@@ -306,7 +307,7 @@ qut_fill_response:
fill_usb_request(tmiu->bh->inreq, (void *)riu, UASP_SIZEOF_RESPONSE_IU,
0, (void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
}
@@ -342,6 +343,7 @@ static void query_task(struct uasp_dev *udev,
if (cmdiu->tag == tmiu->task_tag) {
if (cmdiu->state == COMMAND_STATE_IDLE ||
cmdiu->state == COMMAND_STATE_DATA ||
+ cmdiu->state == COMMAND_STATE_RR_WR ||
cmdiu->state == COMMAND_STATE_STATUS)
status = RESPONSE_TM_FUNCTION_SUCCEEDED;
spin_unlock_irqrestore(&(curlun->lock), flags);
@@ -354,7 +356,7 @@ q_task_fill_response:
fill_response_iu(udev, riu, tmiu->tag, 0, status);
fill_usb_request(tmiu->bh->inreq, (void *)riu, UASP_SIZEOF_RESPONSE_IU,
0, (void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
}
@@ -402,7 +404,7 @@ q_task_set_fill_response:
fill_response_iu(udev, riu, tmiu->tag, 0, status);
fill_usb_request(tmiu->bh->inreq, (void *)riu, UASP_SIZEOF_RESPONSE_IU,
0, (void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
DBG(udev->ucommon->common, "%s() - Exit\n", __func__);
}
@@ -461,7 +463,7 @@ static void process_tmiu(struct uasp_dev *udev,
fill_usb_request(tmiu->bh->inreq, (void *)riu,
UASP_SIZEOF_RESPONSE_IU, 0,
(void *)tmiu, 0, be16_to_cpup(&tmiu->tag),
- status_complete);
+ status_complete, udev->op_mode);
tmiu->ep = udev->status;
break;
}
--
1.7.3.3
--
Sent by a Consultant for Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum
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