nvidia-oot: port tegra vblk driver

Using this patch we are adding support for
tegra vblk driver in oot kernel.

JIRA ESLC-6885

Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Change-Id: I914bb3337019412593e05e75fa0569dd1c7398d1
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2781122
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

include/uapi/scsi/ufs/ioctl.h

@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ */
+
+#ifndef UAPI_SCSI_UFS_UFS_IOCTL_H_
+#define UAPI_SCSI_UFS_UFS_IOCTL_H_
+
+#include <linux/types.h>
+
+/*
+ *  IOCTL opcode for ufs combo queries has the following opcode after
+ *  SCSI_IOCTL_GET_PCI
+ */
+#define UFS_IOCTL_COMBO_QUERY           0x5388
+/*
+ *  IOCTL opcode to set UFS power mode
+ */
+#define UFS_IOCTL_SET_POWER_MODE        0x5389
+
+/*
+ * Maximum number of Query requests per Combo Query Request
+ */
+#define MAX_QUERY_CMD_PER_COMBO         10
+
+/**
+ * struct ufs_ioc_query_cmd - used to transfer ufs query command/data to and
+ * from user via ioctl
+ */
+struct ufs_ioc_query_req {
+	/* Query opcode to specify the type of Query operation */
+	__u8 opcode;
+	/* idn to provide more info on specific operation. */
+	__u8 idn;
+	/* index - optional in some cases */
+	__u8 index;
+	/* index - optional in some cases */
+	__u8 selector;
+	/* buf_size - buffer size in bytes pointed by buffer. */
+	__u16 buf_size;
+	/*
+	 * user buffer pointer for query data.
+	 * Note:
+	 * For Read/Write Attribute this should be of 4 bytes
+	 * For Read Flag this should be of 1 byte
+	 * For Descriptor Read/Write size depends on the type of the descriptor
+	 */
+	__u8 *buffer;
+	/* delay after query command completion */
+	__u32 delay;
+	/* error status for the query operation */
+	__s32 error_status;
+};
+
+struct ufs_ioc_combo_query_req {
+	/* Number of Query Commands in this Combo */
+	__u8 num_cmds;
+	/* Flag to Specify if Command Queue need to be empty or not */
+	__u8 need_cq_empty;
+	/* Flag to Specify if return or continue with all requests on error */
+	__u8 return_on_error;
+	/* pointer to the first query command request */
+	struct ufs_ioc_query_req *query;
+};
+
+#endif /* UAPI_SCSI_UFS_UFS_IOCTL_H_ */