blob: c419c9cb316db3583ed22219555c535e6c8800cf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2021, Intel Corporation. */
/* Inter-Driver Communication */
#include "ice.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"
/**
* ice_reserve_rdma_qvector - Reserve vector resources for RDMA driver
* @pf: board private structure to initialize
*/
static int ice_reserve_rdma_qvector(struct ice_pf *pf)
{
if (test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) {
int index;
index = ice_get_res(pf, pf->irq_tracker, pf->num_rdma_msix,
ICE_RES_RDMA_VEC_ID);
if (index < 0)
return index;
pf->num_avail_sw_msix -= pf->num_rdma_msix;
pf->rdma_base_vector = (u16)index;
}
return 0;
}
/**
* ice_init_rdma - initializes PF for RDMA use
* @pf: ptr to ice_pf
*/
int ice_init_rdma(struct ice_pf *pf)
{
struct device *dev = &pf->pdev->dev;
int ret;
/* Reserve vector resources */
ret = ice_reserve_rdma_qvector(pf);
if (ret < 0)
dev_err(dev, "failed to reserve vectors for RDMA\n");
return ret;
}
|
