36 lines
849 B
C
36 lines
849 B
C
// 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;
|
|
}
|