Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 397 insertions, 0 deletions

diff --git a/include/uapi/drm/qaic_accel.h b/include/uapi/drm/qaic_accel.h
new file mode 100644
index 000000000..2d348744a
--- /dev/null
+++ b/include/uapi/drm/qaic_accel.h
@@ -0,0 +1,397 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+ *
+ * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef QAIC_ACCEL_H_
+#define QAIC_ACCEL_H_
+
+#include "drm.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/* The length(4K) includes len and count fields of qaic_manage_msg */
+#define QAIC_MANAGE_MAX_MSG_LENGTH SZ_4K
+
+/* semaphore flags */
+#define QAIC_SEM_INSYNCFENCE	2
+#define QAIC_SEM_OUTSYNCFENCE	1
+
+/* Semaphore commands */
+#define QAIC_SEM_NOP		0
+#define QAIC_SEM_INIT		1
+#define QAIC_SEM_INC		2
+#define QAIC_SEM_DEC		3
+#define QAIC_SEM_WAIT_EQUAL	4
+#define QAIC_SEM_WAIT_GT_EQ	5 /* Greater than or equal */
+#define QAIC_SEM_WAIT_GT_0	6 /* Greater than 0 */
+
+#define QAIC_TRANS_UNDEFINED			0
+#define QAIC_TRANS_PASSTHROUGH_FROM_USR		1
+#define QAIC_TRANS_PASSTHROUGH_TO_USR		2
+#define QAIC_TRANS_PASSTHROUGH_FROM_DEV		3
+#define QAIC_TRANS_PASSTHROUGH_TO_DEV		4
+#define QAIC_TRANS_DMA_XFER_FROM_USR		5
+#define QAIC_TRANS_DMA_XFER_TO_DEV		6
+#define QAIC_TRANS_ACTIVATE_FROM_USR		7
+#define QAIC_TRANS_ACTIVATE_FROM_DEV		8
+#define QAIC_TRANS_ACTIVATE_TO_DEV		9
+#define QAIC_TRANS_DEACTIVATE_FROM_USR		10
+#define QAIC_TRANS_DEACTIVATE_FROM_DEV		11
+#define QAIC_TRANS_STATUS_FROM_USR		12
+#define QAIC_TRANS_STATUS_TO_USR		13
+#define QAIC_TRANS_STATUS_FROM_DEV		14
+#define QAIC_TRANS_STATUS_TO_DEV		15
+#define QAIC_TRANS_TERMINATE_FROM_DEV		16
+#define QAIC_TRANS_TERMINATE_TO_DEV		17
+#define QAIC_TRANS_DMA_XFER_CONT		18
+#define QAIC_TRANS_VALIDATE_PARTITION_FROM_DEV	19
+#define QAIC_TRANS_VALIDATE_PARTITION_TO_DEV	20
+
+/**
+ * struct qaic_manage_trans_hdr - Header for a transaction in a manage message.
+ * @type: In. Identifies this transaction. See QAIC_TRANS_* defines.
+ * @len: In. Length of this transaction, including this header.
+ */
+struct qaic_manage_trans_hdr {
+	__u32 type;
+	__u32 len;
+};
+
+/**
+ * struct qaic_manage_trans_passthrough - Defines a passthrough transaction.
+ * @hdr: In. Header to identify this transaction.
+ * @data: In. Payload of this ransaction. Opaque to the driver. Userspace must
+ *	  encode in little endian and align/pad to 64-bit.
+ */
+struct qaic_manage_trans_passthrough {
+	struct qaic_manage_trans_hdr hdr;
+	__u8 data[];
+};
+
+/**
+ * struct qaic_manage_trans_dma_xfer - Defines a DMA transfer transaction.
+ * @hdr: In. Header to identify this transaction.
+ * @tag: In. Identified this transfer in other transactions. Opaque to the
+ *	 driver.
+ * @pad: Structure padding.
+ * @addr: In. Address of the data to DMA to the device.
+ * @size: In. Length of the data to DMA to the device.
+ */
+struct qaic_manage_trans_dma_xfer {
+	struct qaic_manage_trans_hdr hdr;
+	__u32 tag;
+	__u32 pad;
+	__u64 addr;
+	__u64 size;
+};
+
+/**
+ * struct qaic_manage_trans_activate_to_dev - Defines an activate request.
+ * @hdr: In. Header to identify this transaction.
+ * @queue_size: In. Number of elements for DBC request and response queues.
+ * @eventfd: Unused.
+ * @options: In. Device specific options for this activate.
+ * @pad: Structure padding.  Must be 0.
+ */
+struct qaic_manage_trans_activate_to_dev {
+	struct qaic_manage_trans_hdr hdr;
+	__u32 queue_size;
+	__u32 eventfd;
+	__u32 options;
+	__u32 pad;
+};
+
+/**
+ * struct qaic_manage_trans_activate_from_dev - Defines an activate response.
+ * @hdr: Out. Header to identify this transaction.
+ * @status: Out. Return code of the request from the device.
+ * @dbc_id: Out. Id of the assigned DBC for successful request.
+ * @options: Out. Device specific options for this activate.
+ */
+struct qaic_manage_trans_activate_from_dev {
+	struct qaic_manage_trans_hdr hdr;
+	__u32 status;
+	__u32 dbc_id;
+	__u64 options;
+};
+
+/**
+ * struct qaic_manage_trans_deactivate - Defines a deactivate request.
+ * @hdr: In. Header to identify this transaction.
+ * @dbc_id: In. Id of assigned DBC.
+ * @pad: Structure padding.  Must be 0.
+ */
+struct qaic_manage_trans_deactivate {
+	struct qaic_manage_trans_hdr hdr;
+	__u32 dbc_id;
+	__u32 pad;
+};
+
+/**
+ * struct qaic_manage_trans_status_to_dev - Defines a status request.
+ * @hdr: In. Header to identify this transaction.
+ */
+struct qaic_manage_trans_status_to_dev {
+	struct qaic_manage_trans_hdr hdr;
+};
+
+/**
+ * struct qaic_manage_trans_status_from_dev - Defines a status response.
+ * @hdr: Out. Header to identify this transaction.
+ * @major: Out. NNC protocol version major number.
+ * @minor: Out. NNC protocol version minor number.
+ * @status: Out. Return code from device.
+ * @status_flags: Out. Flags from device.  Bit 0 indicates if CRCs are required.
+ */
+struct qaic_manage_trans_status_from_dev {
+	struct qaic_manage_trans_hdr hdr;
+	__u16 major;
+	__u16 minor;
+	__u32 status;
+	__u64 status_flags;
+};
+
+/**
+ * struct qaic_manage_msg - Defines a message to the device.
+ * @len: In. Length of all the transactions contained within this message.
+ * @count: In. Number of transactions in this message.
+ * @data: In. Address to an array where the transactions can be found.
+ */
+struct qaic_manage_msg {
+	__u32 len;
+	__u32 count;
+	__u64 data;
+};
+
+/**
+ * struct qaic_create_bo - Defines a request to create a buffer object.
+ * @size: In.  Size of the buffer in bytes.
+ * @handle: Out. GEM handle for the BO.
+ * @pad: Structure padding. Must be 0.
+ */
+struct qaic_create_bo {
+	__u64 size;
+	__u32 handle;
+	__u32 pad;
+};
+
+/**
+ * struct qaic_mmap_bo - Defines a request to prepare a BO for mmap().
+ * @handle: In.  Handle of the GEM BO to prepare for mmap().
+ * @pad: Structure padding. Must be 0.
+ * @offset: Out. Offset value to provide to mmap().
+ */
+struct qaic_mmap_bo {
+	__u32 handle;
+	__u32 pad;
+	__u64 offset;
+};
+
+/**
+ * struct qaic_sem - Defines a semaphore command for a BO slice.
+ * @val: In. Only lower 12 bits are valid.
+ * @index: In. Only lower 5 bits are valid.
+ * @presync: In. 1 if presync operation, 0 if postsync.
+ * @cmd: In. One of QAIC_SEM_*.
+ * @flags: In. Bitfield. See QAIC_SEM_INSYNCFENCE and QAIC_SEM_OUTSYNCFENCE
+ * @pad: Structure padding.  Must be 0.
+ */
+struct qaic_sem {
+	__u16 val;
+	__u8  index;
+	__u8  presync;
+	__u8  cmd;
+	__u8  flags;
+	__u16 pad;
+};
+
+/**
+ * struct qaic_attach_slice_entry - Defines a single BO slice.
+ * @size: In. Size of this slice in bytes.
+ * @sem0: In. Semaphore command 0. Must be 0 is not valid.
+ * @sem1: In. Semaphore command 1. Must be 0 is not valid.
+ * @sem2: In. Semaphore command 2. Must be 0 is not valid.
+ * @sem3: In. Semaphore command 3. Must be 0 is not valid.
+ * @dev_addr: In. Device address this slice pushes to or pulls from.
+ * @db_addr: In. Address of the doorbell to ring.
+ * @db_data: In. Data to write to the doorbell.
+ * @db_len: In. Size of the doorbell data in bits - 32, 16, or 8.  0 is for
+ *	    inactive doorbells.
+ * @offset: In. Start of this slice as an offset from the start of the BO.
+ */
+struct qaic_attach_slice_entry {
+	__u64 size;
+	struct qaic_sem	sem0;
+	struct qaic_sem	sem1;
+	struct qaic_sem	sem2;
+	struct qaic_sem	sem3;
+	__u64 dev_addr;
+	__u64 db_addr;
+	__u32 db_data;
+	__u32 db_len;
+	__u64 offset;
+};
+
+/**
+ * struct qaic_attach_slice_hdr - Defines metadata for a set of BO slices.
+ * @count: In. Number of slices for this BO.
+ * @dbc_id: In. Associate the sliced BO with this DBC.
+ * @handle: In. GEM handle of the BO to slice.
+ * @dir: In. Direction of data flow. 1 = DMA_TO_DEVICE, 2 = DMA_FROM_DEVICE
+ * @size: In. Total length of the BO.
+ *	  If BO is imported (DMABUF/PRIME) then this size
+ *	  should not exceed the size of DMABUF provided.
+ *	  If BO is allocated using DRM_IOCTL_QAIC_CREATE_BO
+ *	  then this size should be exactly same as the size
+ *	  provided during DRM_IOCTL_QAIC_CREATE_BO.
+ * @dev_addr: In. Device address this slice pushes to or pulls from.
+ * @db_addr: In. Address of the doorbell to ring.
+ * @db_data: In. Data to write to the doorbell.
+ * @db_len: In. Size of the doorbell data in bits - 32, 16, or 8.  0 is for
+ *	    inactive doorbells.
+ * @offset: In. Start of this slice as an offset from the start of the BO.
+ */
+struct qaic_attach_slice_hdr {
+	__u32 count;
+	__u32 dbc_id;
+	__u32 handle;
+	__u32 dir;
+	__u64 size;
+};
+
+/**
+ * struct qaic_attach_slice - Defines a set of BO slices.
+ * @hdr: In. Metadata of the set of slices.
+ * @data: In. Pointer to an array containing the slice definitions.
+ */
+struct qaic_attach_slice {
+	struct qaic_attach_slice_hdr hdr;
+	__u64 data;
+};
+
+/**
+ * struct qaic_execute_entry - Defines a BO to submit to the device.
+ * @handle: In. GEM handle of the BO to commit to the device.
+ * @dir: In. Direction of data. 1 = to device, 2 = from device.
+ */
+struct qaic_execute_entry {
+	__u32 handle;
+	__u32 dir;
+};
+
+/**
+ * struct qaic_partial_execute_entry - Defines a BO to resize and submit.
+ * @handle: In. GEM handle of the BO to commit to the device.
+ * @dir: In. Direction of data. 1 = to device, 2 = from device.
+ * @resize: In. New size of the BO.  Must be <= the original BO size.  0 is
+ *	    short for no resize.
+ */
+struct qaic_partial_execute_entry {
+	__u32 handle;
+	__u32 dir;
+	__u64 resize;
+};
+
+/**
+ * struct qaic_execute_hdr - Defines metadata for BO submission.
+ * @count: In. Number of BOs to submit.
+ * @dbc_id: In. DBC to submit the BOs on.
+ */
+struct qaic_execute_hdr {
+	__u32 count;
+	__u32 dbc_id;
+};
+
+/**
+ * struct qaic_execute - Defines a list of BOs to submit to the device.
+ * @hdr: In. BO list metadata.
+ * @data: In. Pointer to an array of BOs to submit.
+ */
+struct qaic_execute {
+	struct qaic_execute_hdr hdr;
+	__u64 data;
+};
+
+/**
+ * struct qaic_wait - Defines a blocking wait for BO execution.
+ * @handle: In. GEM handle of the BO to wait on.
+ * @timeout: In. Maximum time in ms to wait for the BO.
+ * @dbc_id: In. DBC the BO is submitted to.
+ * @pad: Structure padding. Must be 0.
+ */
+struct qaic_wait {
+	__u32 handle;
+	__u32 timeout;
+	__u32 dbc_id;
+	__u32 pad;
+};
+
+/**
+ * struct qaic_perf_stats_hdr - Defines metadata for getting BO perf info.
+ * @count: In. Number of BOs requested.
+ * @pad: Structure padding. Must be 0.
+ * @dbc_id: In. DBC the BO are associated with.
+ */
+struct qaic_perf_stats_hdr {
+	__u16 count;
+	__u16 pad;
+	__u32 dbc_id;
+};
+
+/**
+ * struct qaic_perf_stats - Defines a request for getting BO perf info.
+ * @hdr: In. Request metadata
+ * @data: In. Pointer to array of stats structures that will receive the data.
+ */
+struct qaic_perf_stats {
+	struct qaic_perf_stats_hdr hdr;
+	__u64 data;
+};
+
+/**
+ * struct qaic_perf_stats_entry - Defines a BO perf info.
+ * @handle: In. GEM handle of the BO to get perf stats for.
+ * @queue_level_before: Out. Number of elements in the queue before this BO
+ *			was submitted.
+ * @num_queue_element: Out. Number of elements added to the queue to submit
+ *		       this BO.
+ * @submit_latency_us: Out. Time taken by the driver to submit this BO.
+ * @device_latency_us: Out. Time taken by the device to execute this BO.
+ * @pad: Structure padding. Must be 0.
+ */
+struct qaic_perf_stats_entry {
+	__u32 handle;
+	__u32 queue_level_before;
+	__u32 num_queue_element;
+	__u32 submit_latency_us;
+	__u32 device_latency_us;
+	__u32 pad;
+};
+
+#define DRM_QAIC_MANAGE				0x00
+#define DRM_QAIC_CREATE_BO			0x01
+#define DRM_QAIC_MMAP_BO			0x02
+#define DRM_QAIC_ATTACH_SLICE_BO		0x03
+#define DRM_QAIC_EXECUTE_BO			0x04
+#define DRM_QAIC_PARTIAL_EXECUTE_BO		0x05
+#define DRM_QAIC_WAIT_BO			0x06
+#define DRM_QAIC_PERF_STATS_BO			0x07
+
+#define DRM_IOCTL_QAIC_MANAGE			DRM_IOWR(DRM_COMMAND_BASE + DRM_QAIC_MANAGE, struct qaic_manage_msg)
+#define DRM_IOCTL_QAIC_CREATE_BO		DRM_IOWR(DRM_COMMAND_BASE + DRM_QAIC_CREATE_BO,	struct qaic_create_bo)
+#define DRM_IOCTL_QAIC_MMAP_BO			DRM_IOWR(DRM_COMMAND_BASE + DRM_QAIC_MMAP_BO, struct qaic_mmap_bo)
+#define DRM_IOCTL_QAIC_ATTACH_SLICE_BO		DRM_IOW(DRM_COMMAND_BASE + DRM_QAIC_ATTACH_SLICE_BO, struct qaic_attach_slice)
+#define DRM_IOCTL_QAIC_EXECUTE_BO		DRM_IOW(DRM_COMMAND_BASE + DRM_QAIC_EXECUTE_BO,	struct qaic_execute)
+#define DRM_IOCTL_QAIC_PARTIAL_EXECUTE_BO	DRM_IOW(DRM_COMMAND_BASE + DRM_QAIC_PARTIAL_EXECUTE_BO,	struct qaic_execute)
+#define DRM_IOCTL_QAIC_WAIT_BO			DRM_IOW(DRM_COMMAND_BASE + DRM_QAIC_WAIT_BO, struct qaic_wait)
+#define DRM_IOCTL_QAIC_PERF_STATS_BO		DRM_IOWR(DRM_COMMAND_BASE + DRM_QAIC_PERF_STATS_BO, struct qaic_perf_stats)
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* QAIC_ACCEL_H_ */