[Spice-devel] [PATCH spice-gtk 27/44] fixup! usb-redir: add files for SCSI and USB MSC implementation
Frediano Ziglio
fziglio at redhat.com
Tue Jul 30 12:03:15 UTC 2019
Add some comments to code
---
src/cd-usb-bulk-msd.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/cd-usb-bulk-msd.c b/src/cd-usb-bulk-msd.c
index 41e210f0..61c15a75 100644
--- a/src/cd-usb-bulk-msd.c
+++ b/src/cd-usb-bulk-msd.c
@@ -44,6 +44,7 @@ typedef enum UsbCdState {
USB_CD_STATE_TARGET_RESET /* reset of entire target */
} UsbCdState;
+/* USB MSD Command Block Wrapper */
struct __attribute__((__packed__)) UsbCdCBW {
uint32_t sig;
uint32_t tag;
@@ -54,6 +55,7 @@ struct __attribute__((__packed__)) UsbCdCBW {
uint8_t cmd[16]; /* scsi command to perform */
};
+/* USB MSD Command Status Wrapper */
struct __attribute__((__packed__)) UsbCdCSW {
uint32_t sig;
uint32_t tag;
@@ -61,6 +63,7 @@ struct __attribute__((__packed__)) UsbCdCSW {
uint8_t status;
};
+/* UsbCdCSW::status */
typedef enum UsbMsdStatus {
USB_MSD_STATUS_GOOD = 0,
USB_MSD_STATUS_FAILED = 1,
@@ -158,6 +161,7 @@ int cd_usb_bulk_msd_realize(UsbCdBulkMsdDevice *cd, uint32_t lun,
}
if (cd->state == USB_CD_STATE_INIT) {
+ /* wait next request */
cd_usb_bulk_msd_set_state(cd, USB_CD_STATE_CBW);
cd_scsi_dev_request_release(cd->scsi_target, &cd->usb_req.scsi_req);
}
--
2.20.1
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