usb: Update the test to cover reading and writing
Add test coverage for blk_write() as well.
The blk_erase() is not tested for now as the USB stor interface does not
support erase.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/scsi.h b/include/scsi.h
index 94e1d8c..9efefea 100644
--- a/include/scsi.h
+++ b/include/scsi.h
@@ -255,6 +255,16 @@
u8 spare2[3];
};
+/** struct scsi_write10_req - data for the write10 command */
+struct __packed scsi_write10_req {
+ u8 cmd;
+ u8 lun_flags;
+ u32 lba;
+ u8 spare;
+ u16 xfer_len;
+ u8 spare2[3];
+};
+
/**
* struct scsi_plat - stores information about SCSI controller
*
diff --git a/include/scsi_emul.h b/include/scsi_emul.h
index 13c3f86..d439f7c 100644
--- a/include/scsi_emul.h
+++ b/include/scsi_emul.h
@@ -41,13 +41,20 @@
enum scsi_cmd_phase phase;
int buff_used;
int read_len;
+ int write_len;
uint seek_pos;
int alloc_len;
uint transfer_len;
};
-/* Indicates that a read is being started */
-#define SCSI_EMUL_DO_READ 1
+/**
+ * Return value from sb_scsi_emul_command() indicates that a read or write is
+ * being started
+ */
+enum {
+ SCSI_EMUL_DO_READ = 1,
+ SCSI_EMUL_DO_WRITE = 2,
+};
/**
* sb_scsi_emul_command() - Process a SCSI command
@@ -61,8 +68,9 @@
* @info: Emulation information
* @req: Request to process
* @len: Length of request in bytes
- * @return SCSI_EMUL_DO_READ if a read has started, 0 if some other operation
- * has started, -ve if there was an error
+ * @return SCSI_EMUL_DO_READ if a read has started, SCSI_EMUL_DO_WRITE if a
+ * write has started, 0 if some other operation has started, -ve if there
+ * was an error
*/
int sb_scsi_emul_command(struct scsi_emul_info *info,
const struct scsi_cmd *req, int len);