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aac243092b
Add interfaces for user application to submit command and wait for its completion. Co-developed-by: Min Ma <min.ma@amd.com> Signed-off-by: Min Ma <min.ma@amd.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Lizhi Hou <lizhi.hou@amd.com> Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241118172942.2014541-8-lizhi.hou@amd.com
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2024, Advanced Micro Devices, Inc.
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*/
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#include <drm/amdxdna_accel.h>
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#include <drm/drm_device.h>
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#include <drm/drm_print.h>
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#include <drm/drm_gem.h>
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#include <drm/drm_gem_shmem_helper.h>
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#include <drm/gpu_scheduler.h>
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#include <linux/completion.h>
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#include "amdxdna_gem.h"
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#include "amdxdna_mailbox.h"
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#include "amdxdna_mailbox_helper.h"
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#include "amdxdna_pci_drv.h"
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int xdna_msg_cb(void *handle, const u32 *data, size_t size)
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{
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struct xdna_notify *cb_arg = handle;
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int ret;
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if (unlikely(!data))
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goto out;
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if (unlikely(cb_arg->size != size)) {
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cb_arg->error = -EINVAL;
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goto out;
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}
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print_hex_dump_debug("resp data: ", DUMP_PREFIX_OFFSET,
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16, 4, data, cb_arg->size, true);
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memcpy(cb_arg->data, data, cb_arg->size);
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out:
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ret = cb_arg->error;
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complete(&cb_arg->comp);
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return ret;
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}
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int xdna_send_msg_wait(struct amdxdna_dev *xdna, struct mailbox_channel *chann,
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struct xdna_mailbox_msg *msg)
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{
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struct xdna_notify *hdl = msg->handle;
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int ret;
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ret = xdna_mailbox_send_msg(chann, msg, TX_TIMEOUT);
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if (ret) {
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XDNA_ERR(xdna, "Send message failed, ret %d", ret);
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return ret;
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}
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ret = wait_for_completion_timeout(&hdl->comp,
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msecs_to_jiffies(RX_TIMEOUT));
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if (!ret) {
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XDNA_ERR(xdna, "Wait for completion timeout");
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return -ETIME;
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}
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return hdl->error;
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}
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