sandbox: scsi: Move block size into shared struct

Move this information into struct scsi_emul_info so we can use it in
common code.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/usb/emul/sandbox_flash.c b/drivers/usb/emul/sandbox_flash.c
index eaa7f1e..e4a8eb2 100644 (file)
--- a/drivers/usb/emul/sandbox_flash.c
+++ b/drivers/usb/emul/sandbox_flash.c
@@ -222,9 +222,9 @@ static void handle_read(struct sandbox_flash_priv *priv, ulong lba,
        debug("%s: lba=%lx, transfer_len=%lx\n", __func__, lba, transfer_len);
        info->read_len = transfer_len;
        if (priv->fd != -1) {
-               os_lseek(priv->fd, lba * SANDBOX_FLASH_BLOCK_LEN, OS_SEEK_SET);
+               os_lseek(priv->fd, lba * info->block_size, OS_SEEK_SET);
                setup_response(priv, info->buff,
-                              transfer_len * SANDBOX_FLASH_BLOCK_LEN);
+                              transfer_len * info->block_size);
        } else {
                setup_fail_response(priv);
        }
@@ -259,11 +259,11 @@ static int handle_ufi_command(struct sandbox_flash_plat *plat,
                uint blocks;
 
                if (priv->file_size)
-                       blocks = priv->file_size / SANDBOX_FLASH_BLOCK_LEN - 1;
+                       blocks = priv->file_size / info->block_size - 1;
                else
                        blocks = 0;
                resp->last_block_addr = cpu_to_be32(blocks);
-               resp->block_len = cpu_to_be32(SANDBOX_FLASH_BLOCK_LEN);
+               resp->block_len = cpu_to_be32(info->block_size);
                setup_response(priv, resp, sizeof(*resp));
                break;
        }
@@ -332,7 +332,7 @@ static int sandbox_flash_bulk(struct udevice *dev, struct usb_device *udev,
                                bytes_read = os_read(priv->fd, buff, len);
                                if (bytes_read != len)
                                        return -EIO;
-                               info->read_len -= len / SANDBOX_FLASH_BLOCK_LEN;
+                               info->read_len -= len / info->block_size;
                                if (!info->read_len)
                                        info->phase = SCSIPH_STATUS;
                        } else {
@@ -404,6 +404,7 @@ static int sandbox_flash_probe(struct udevice *dev)
                return log_ret(-ENOMEM);
        info->vendor = plat->flash_strings[STRINGID_MANUFACTURER -  1].s;
        info->product = plat->flash_strings[STRINGID_PRODUCT - 1].s;
+       info->block_size = SANDBOX_FLASH_BLOCK_LEN;
 
        return 0;
 }

diff --git a/include/scsi_emul.h b/include/scsi_emul.h
index b281c16..86c9379 100644 (file)
--- a/include/scsi_emul.h
+++ b/include/scsi_emul.h
@@ -17,6 +17,7 @@
  *
  * @vendor: Vendor name
  * @product: Product name
+ * @block_size: Block size of device in bytes (normally 512)
  *
  * @phase: Current SCSI phase
  * @buff_used: Number of bytes ready to transfer back to host
@@ -30,6 +31,7 @@ struct scsi_emul_info {
        void *buff;
        const char *vendor;
        const char *product;
+       int block_size;
 
        /* state maintained by the emulator: */
        enum scsi_cmd_phase phase;