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// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
// Copyright (c) 2019 Hisilicon Limited.
#include "hnae3.h"
#include "hns_roce_device.h"
#include "hns_roce_cmd.h"
#include "hns_roce_hw_v2.h"
int hns_roce_v2_query_cqc_info(struct hns_roce_dev *hr_dev, u32 cqn,
int *buffer)
{
struct hns_roce_v2_cq_context *cq_context;
struct hns_roce_cmd_mailbox *mailbox;
int ret;
mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
cq_context = mailbox->buf;
ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, cqn, 0,
HNS_ROCE_CMD_QUERY_CQC,
HNS_ROCE_CMD_TIMEOUT_MSECS);
if (ret) {
dev_err(hr_dev->dev, "QUERY cqc cmd process error\n");
goto err_mailbox;
}
memcpy(buffer, cq_context, sizeof(*cq_context));
err_mailbox:
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
return ret;
}
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