ivpu_ipc.c (5d7422cfb498bf25c4a9ea6b9d82253cb5236364) ivpu_ipc.c (852be13f3bd32c1eab808840cfac41b1fea25991)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2020-2023 Intel Corporation
4 */
5
6#include <linux/genalloc.h>
7#include <linux/highmem.h>
8#include <linux/kthread.h>
9#include <linux/wait.h>
10
11#include "ivpu_drv.h"
12#include "ivpu_gem.h"
13#include "ivpu_hw.h"
14#include "ivpu_hw_reg_io.h"
15#include "ivpu_ipc.h"
16#include "ivpu_jsm_msg.h"
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2020-2023 Intel Corporation
4 */
5
6#include <linux/genalloc.h>
7#include <linux/highmem.h>
8#include <linux/kthread.h>
9#include <linux/wait.h>
10
11#include "ivpu_drv.h"
12#include "ivpu_gem.h"
13#include "ivpu_hw.h"
14#include "ivpu_hw_reg_io.h"
15#include "ivpu_ipc.h"
16#include "ivpu_jsm_msg.h"
17#include "ivpu_pm.h"
17
18#define IPC_MAX_RX_MSG 128
19#define IS_KTHREAD() (get_current()->flags & PF_KTHREAD)
20
21struct ivpu_ipc_tx_buf {
22 struct ivpu_ipc_hdr ipc;
23 struct vpu_jsm_msg jsm;
24};

--- 264 unchanged lines hidden (view full) ---

289
290int ivpu_ipc_send_receive(struct ivpu_device *vdev, struct vpu_jsm_msg *req,
291 enum vpu_ipc_msg_type expected_resp_type,
292 struct vpu_jsm_msg *resp, u32 channel,
293 unsigned long timeout_ms)
294{
295 struct vpu_jsm_msg hb_req = { .type = VPU_JSM_MSG_QUERY_ENGINE_HB };
296 struct vpu_jsm_msg hb_resp;
18
19#define IPC_MAX_RX_MSG 128
20#define IS_KTHREAD() (get_current()->flags & PF_KTHREAD)
21
22struct ivpu_ipc_tx_buf {
23 struct ivpu_ipc_hdr ipc;
24 struct vpu_jsm_msg jsm;
25};

--- 264 unchanged lines hidden (view full) ---

290
291int ivpu_ipc_send_receive(struct ivpu_device *vdev, struct vpu_jsm_msg *req,
292 enum vpu_ipc_msg_type expected_resp_type,
293 struct vpu_jsm_msg *resp, u32 channel,
294 unsigned long timeout_ms)
295{
296 struct vpu_jsm_msg hb_req = { .type = VPU_JSM_MSG_QUERY_ENGINE_HB };
297 struct vpu_jsm_msg hb_resp;
297 int ret;
298 int ret, hb_ret;
298
299
300 ret = ivpu_rpm_get(vdev);
301 if (ret < 0)
302 return ret;
303
299 ret = ivpu_ipc_send_receive_internal(vdev, req, expected_resp_type, resp,
300 channel, timeout_ms);
301 if (ret != -ETIMEDOUT)
304 ret = ivpu_ipc_send_receive_internal(vdev, req, expected_resp_type, resp,
305 channel, timeout_ms);
306 if (ret != -ETIMEDOUT)
302 return ret;
307 goto rpm_put;
303
308
304 ret = ivpu_ipc_send_receive_internal(vdev, &hb_req, VPU_JSM_MSG_QUERY_ENGINE_HB_DONE,
305 &hb_resp, VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm);
306 if (ret == -ETIMEDOUT)
309 hb_ret = ivpu_ipc_send_receive_internal(vdev, &hb_req, VPU_JSM_MSG_QUERY_ENGINE_HB_DONE,
310 &hb_resp, VPU_IPC_CHAN_ASYNC_CMD,
311 vdev->timeout.jsm);
312 if (hb_ret == -ETIMEDOUT) {
307 ivpu_hw_diagnose_failure(vdev);
313 ivpu_hw_diagnose_failure(vdev);
314 ivpu_pm_schedule_recovery(vdev);
315 }
308
316
317rpm_put:
318 ivpu_rpm_put(vdev);
309 return ret;
310}
311
312static bool
313ivpu_ipc_match_consumer(struct ivpu_device *vdev, struct ivpu_ipc_consumer *cons,
314 struct ivpu_ipc_hdr *ipc_hdr, struct vpu_jsm_msg *jsm_msg)
315{
316 if (cons->channel != ipc_hdr->channel)

--- 184 unchanged lines hidden --- 		319 return ret;
320}
321
322static bool
323ivpu_ipc_match_consumer(struct ivpu_device *vdev, struct ivpu_ipc_consumer *cons,
324 struct ivpu_ipc_hdr *ipc_hdr, struct vpu_jsm_msg *jsm_msg)
325{
326 if (cons->channel != ipc_hdr->channel)

--- 184 unchanged lines hidden ---