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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
* Copyright (c) 2016 Xilinx, Inc
* Written by Michal Simek
*
* Based on ahci-uclass.c
*/
#define LOG_CATEGORY UCLASS_SCSI
#include <blk.h>
#include <dm.h>
#include <part.h>
#include <scsi.h>
int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb)
{
struct scsi_ops *ops = scsi_get_ops(dev);
if (!ops->exec)
return -ENOSYS;
return ops->exec(dev, pccb);
}
int scsi_get_blk_by_uuid(const char *uuid,
struct blk_desc **blk_desc_ptr,
struct disk_partition *part_info_ptr)
{
static int is_scsi_scanned;
struct blk_desc *blk;
int i, ret;
if (!is_scsi_scanned) {
scsi_scan(false /* no verbose */);
is_scsi_scanned = 1;
}
for (i = 0; i < blk_find_max_devnum(UCLASS_SCSI) + 1; i++) {
ret = blk_get_desc(UCLASS_SCSI, i, &blk);
if (ret)
continue;
ret = part_get_info_by_uuid(blk, uuid, part_info_ptr);
if (ret > 0) {
*blk_desc_ptr = blk;
return 0;
}
}
return -1;
}
int scsi_bus_reset(struct udevice *dev)
{
struct scsi_ops *ops = scsi_get_ops(dev);
if (!ops->bus_reset)
return -ENOSYS;
return ops->bus_reset(dev);
}
UCLASS_DRIVER(scsi) = {
.id = UCLASS_SCSI,
.name = "scsi",
.per_device_plat_auto = sizeof(struct scsi_plat),
};
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