mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-19 17:14:40 +08:00
61918e9b00
Some %d in print format string should be %u, and some prints miss the useful errno or are in nonstandard format. Just fix above issues. Link: https://lore.kernel.org/r/1607650657-35992-11-git-send-email-liweihang@huawei.com Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 2016 Hisilicon Limited.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/pci.h>
|
|
#include "hns_roce_device.h"
|
|
|
|
static int hns_roce_pd_alloc(struct hns_roce_dev *hr_dev, unsigned long *pdn)
|
|
{
|
|
return hns_roce_bitmap_alloc(&hr_dev->pd_bitmap, pdn) ? -ENOMEM : 0;
|
|
}
|
|
|
|
static void hns_roce_pd_free(struct hns_roce_dev *hr_dev, unsigned long pdn)
|
|
{
|
|
hns_roce_bitmap_free(&hr_dev->pd_bitmap, pdn, BITMAP_NO_RR);
|
|
}
|
|
|
|
int hns_roce_init_pd_table(struct hns_roce_dev *hr_dev)
|
|
{
|
|
return hns_roce_bitmap_init(&hr_dev->pd_bitmap, hr_dev->caps.num_pds,
|
|
hr_dev->caps.num_pds - 1,
|
|
hr_dev->caps.reserved_pds, 0);
|
|
}
|
|
|
|
void hns_roce_cleanup_pd_table(struct hns_roce_dev *hr_dev)
|
|
{
|
|
hns_roce_bitmap_cleanup(&hr_dev->pd_bitmap);
|
|
}
|
|
|
|
int hns_roce_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
|
|
{
|
|
struct ib_device *ib_dev = ibpd->device;
|
|
struct hns_roce_pd *pd = to_hr_pd(ibpd);
|
|
int ret;
|
|
|
|
ret = hns_roce_pd_alloc(to_hr_dev(ib_dev), &pd->pdn);
|
|
if (ret) {
|
|
ibdev_err(ib_dev, "failed to alloc pd, ret = %d.\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (udata) {
|
|
struct hns_roce_ib_alloc_pd_resp resp = {.pdn = pd->pdn};
|
|
|
|
ret = ib_copy_to_udata(udata, &resp,
|
|
min(udata->outlen, sizeof(resp)));
|
|
if (ret) {
|
|
hns_roce_pd_free(to_hr_dev(ib_dev), pd->pdn);
|
|
ibdev_err(ib_dev, "failed to copy to udata, ret = %d\n", ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int hns_roce_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
|
|
{
|
|
hns_roce_pd_free(to_hr_dev(pd->device), to_hr_pd(pd)->pdn);
|
|
return 0;
|
|
}
|
|
|
|
int hns_roce_uar_alloc(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar)
|
|
{
|
|
struct resource *res;
|
|
int ret;
|
|
|
|
/* Using bitmap to manager UAR index */
|
|
ret = hns_roce_bitmap_alloc(&hr_dev->uar_table.bitmap, &uar->logic_idx);
|
|
if (ret)
|
|
return -ENOMEM;
|
|
|
|
if (uar->logic_idx > 0 && hr_dev->caps.phy_num_uars > 1)
|
|
uar->index = (uar->logic_idx - 1) %
|
|
(hr_dev->caps.phy_num_uars - 1) + 1;
|
|
else
|
|
uar->index = 0;
|
|
|
|
if (!dev_is_pci(hr_dev->dev)) {
|
|
res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0);
|
|
if (!res) {
|
|
dev_err(&hr_dev->pdev->dev, "memory resource not found!\n");
|
|
return -EINVAL;
|
|
}
|
|
uar->pfn = ((res->start) >> PAGE_SHIFT) + uar->index;
|
|
} else {
|
|
uar->pfn = ((pci_resource_start(hr_dev->pci_dev, 2))
|
|
>> PAGE_SHIFT);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void hns_roce_uar_free(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar)
|
|
{
|
|
hns_roce_bitmap_free(&hr_dev->uar_table.bitmap, uar->logic_idx,
|
|
BITMAP_NO_RR);
|
|
}
|
|
|
|
int hns_roce_init_uar_table(struct hns_roce_dev *hr_dev)
|
|
{
|
|
return hns_roce_bitmap_init(&hr_dev->uar_table.bitmap,
|
|
hr_dev->caps.num_uars,
|
|
hr_dev->caps.num_uars - 1,
|
|
hr_dev->caps.reserved_uars, 0);
|
|
}
|
|
|
|
void hns_roce_cleanup_uar_table(struct hns_roce_dev *hr_dev)
|
|
{
|
|
hns_roce_bitmap_cleanup(&hr_dev->uar_table.bitmap);
|
|
}
|