drivers/scsi/scsi-uclass.c

   1 /*
   2  * Copyright (c) 2015 Google, Inc
   3  * Written by Simon Glass <sjg@chromium.org>
   4  * Copyright (c) 2016 Xilinx, Inc
   5  * Written by Michal Simek
   6  *
   7  * Based on ahci-uclass.c
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #include <common.h>
  13 #include <dm.h>
  14 #include <scsi.h>
  15
  16 int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb)
  17 {
  18         struct scsi_ops *ops = scsi_get_ops(dev);
  19
  20         if (!ops->exec)
  21                 return -ENOSYS;
  22
  23         return ops->exec(dev, pccb);
  24 }
  25
  26 int scsi_bus_reset(struct udevice *dev)
  27 {
  28         struct scsi_ops *ops = scsi_get_ops(dev);
  29
  30         if (!ops->bus_reset)
  31                 return -ENOSYS;
  32
  33         return ops->bus_reset(dev);
  34 }
  35
  36 UCLASS_DRIVER(scsi) = {
  37         .id             = UCLASS_SCSI,
  38         .name           = "scsi",
  39         .per_device_platdata_auto_alloc_size = sizeof(struct scsi_platdata),
  40 };