linux-zen-server/drivers/accel/ivpu/ivpu_jsm_msg.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2020-2023 Intel Corporation
 */

#include "ivpu_drv.h"
#include "ivpu_ipc.h"
#include "ivpu_jsm_msg.h"

int ivpu_jsm_register_db(struct ivpu_device *vdev, u32 ctx_id, u32 db_id,
			 u64 jobq_base, u32 jobq_size)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_REGISTER_DB };
	struct vpu_jsm_msg resp;
	int ret = 0;

	req.payload.register_db.db_idx = db_id;
	req.payload.register_db.jobq_base = jobq_base;
	req.payload.register_db.jobq_size = jobq_size;
	req.payload.register_db.host_ssid = ctx_id;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_REGISTER_DB_DONE, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret) {
		ivpu_err(vdev, "Failed to register doorbell %d: %d\n", db_id, ret);
		return ret;
	}

	ivpu_dbg(vdev, JSM, "Doorbell %d registered to context %d\n", db_id, ctx_id);

	return 0;
}

int ivpu_jsm_unregister_db(struct ivpu_device *vdev, u32 db_id)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_UNREGISTER_DB };
	struct vpu_jsm_msg resp;
	int ret = 0;

	req.payload.unregister_db.db_idx = db_id;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_UNREGISTER_DB_DONE, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret) {
		ivpu_warn(vdev, "Failed to unregister doorbell %d: %d\n", db_id, ret);
		return ret;
	}

	ivpu_dbg(vdev, JSM, "Doorbell %d unregistered\n", db_id);

	return 0;
}

int ivpu_jsm_get_heartbeat(struct ivpu_device *vdev, u32 engine, u64 *heartbeat)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_QUERY_ENGINE_HB };
	struct vpu_jsm_msg resp;
	int ret;

	if (engine > VPU_ENGINE_COPY)
		return -EINVAL;

	req.payload.query_engine_hb.engine_idx = engine;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_QUERY_ENGINE_HB_DONE, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret) {
		ivpu_err(vdev, "Failed to get heartbeat from engine %d: %d\n", engine, ret);
		return ret;
	}

	*heartbeat = resp.payload.query_engine_hb_done.heartbeat;
	return ret;
}

int ivpu_jsm_reset_engine(struct ivpu_device *vdev, u32 engine)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_ENGINE_RESET };
	struct vpu_jsm_msg resp;
	int ret;

	if (engine > VPU_ENGINE_COPY)
		return -EINVAL;

	req.payload.engine_reset.engine_idx = engine;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_ENGINE_RESET_DONE, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret)
		ivpu_err(vdev, "Failed to reset engine %d: %d\n", engine, ret);

	return ret;
}

int ivpu_jsm_preempt_engine(struct ivpu_device *vdev, u32 engine, u32 preempt_id)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_ENGINE_PREEMPT };
	struct vpu_jsm_msg resp;
	int ret;

	if (engine > VPU_ENGINE_COPY)
		return -EINVAL;

	req.payload.engine_preempt.engine_idx = engine;
	req.payload.engine_preempt.preempt_id = preempt_id;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_ENGINE_PREEMPT_DONE, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret)
		ivpu_err(vdev, "Failed to preempt engine %d: %d\n", engine, ret);

	return ret;
}

int ivpu_jsm_dyndbg_control(struct ivpu_device *vdev, char *command, size_t size)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_DYNDBG_CONTROL };
	struct vpu_jsm_msg resp;
	int ret;

	if (!strncpy(req.payload.dyndbg_control.dyndbg_cmd, command, VPU_DYNDBG_CMD_MAX_LEN - 1))
		return -ENOMEM;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_DYNDBG_CONTROL_RSP, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret)
		ivpu_warn(vdev, "Failed to send command \"%s\": ret %d\n", command, ret);

	return ret;
}

int ivpu_jsm_trace_get_capability(struct ivpu_device *vdev, u32 *trace_destination_mask,
				  u64 *trace_hw_component_mask)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_TRACE_GET_CAPABILITY };
	struct vpu_jsm_msg resp;
	int ret;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_TRACE_GET_CAPABILITY_RSP, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret) {
		ivpu_warn(vdev, "Failed to get trace capability: %d\n", ret);
		return ret;
	}

	*trace_destination_mask = resp.payload.trace_capability.trace_destination_mask;
	*trace_hw_component_mask = resp.payload.trace_capability.trace_hw_component_mask;

	return ret;
}

int ivpu_jsm_trace_set_config(struct ivpu_device *vdev, u32 trace_level, u32 trace_destination_mask,
			      u64 trace_hw_component_mask)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_TRACE_SET_CONFIG };
	struct vpu_jsm_msg resp;
	int ret;

	req.payload.trace_config.trace_level = trace_level;
	req.payload.trace_config.trace_destination_mask = trace_destination_mask;
	req.payload.trace_config.trace_hw_component_mask = trace_hw_component_mask;

	ret = ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_TRACE_SET_CONFIG_RSP, &resp,
				    VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
	if (ret)
		ivpu_warn(vdev, "Failed to set config: %d\n", ret);

	return ret;
}

int ivpu_jsm_context_release(struct ivpu_device *vdev, u32 host_ssid)
{
	struct vpu_jsm_msg req = { .type = VPU_JSM_MSG_SSID_RELEASE };
	struct vpu_jsm_msg resp;

	req.payload.ssid_release.host_ssid = host_ssid;

	return ivpu_ipc_send_receive(vdev, &req, VPU_JSM_MSG_SSID_RELEASE_DONE, &resp,
				     VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
}