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RDMA/hns: Delete unused hns bitmap interface

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The resources that use the hns bitmap interface: qp, cq, mr, pd, xrcd,
uar, srq, have been changed to IDA interfaces, and the unused hns' own
bitmap interfaces need to be deleted.

Link: https://lore.kernel.org/r/1629336980-17499-4-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Yangyang Li 2021-08-19 09:36:20 +08:00 committed by Jason Gunthorpe
parent c4f11b36f8
commit f0a6419919
2 changed files with 0 additions and 75 deletions
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70
drivers/infiniband/hw/hns/hns_roce_alloc.c
View File

@ -36,76 +36,6 @@
#include "hns_roce_device.h"
#include <rdma/ib_umem.h>
int hns_roce_bitmap_alloc(struct hns_roce_bitmap *bitmap, unsigned long *obj)
{
int ret = 0;
spin_lock(&bitmap->lock);
*obj = find_next_zero_bit(bitmap->table, bitmap->max, bitmap->last);
if (*obj >= bitmap->max) {
bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
& bitmap->mask;
*obj = find_first_zero_bit(bitmap->table, bitmap->max);
}
if (*obj < bitmap->max) {
set_bit(*obj, bitmap->table);
bitmap->last = (*obj + 1);
if (bitmap->last == bitmap->max)
bitmap->last = 0;
*obj |= bitmap->top;
} else {
ret = -EINVAL;
}
spin_unlock(&bitmap->lock);
return ret;
}
void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj)
{
obj &= bitmap->max + bitmap->reserved_top - 1;
spin_lock(&bitmap->lock);
clear_bit(obj, bitmap->table);
bitmap->last = min(bitmap->last, obj);
bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
& bitmap->mask;
spin_unlock(&bitmap->lock);
}
int hns_roce_bitmap_init(struct hns_roce_bitmap *bitmap, u32 num, u32 mask,
u32 reserved_bot, u32 reserved_top)
{
u32 i;
if (num != roundup_pow_of_two(num))
return -EINVAL;
bitmap->last = 0;
bitmap->top = 0;
bitmap->max = num - reserved_top;
bitmap->mask = mask;
bitmap->reserved_top = reserved_top;
spin_lock_init(&bitmap->lock);
bitmap->table = kcalloc(BITS_TO_LONGS(bitmap->max), sizeof(long),
GFP_KERNEL);
if (!bitmap->table)
return -ENOMEM;
for (i = 0; i < reserved_bot; ++i)
set_bit(i, bitmap->table);
return 0;
}
void hns_roce_bitmap_cleanup(struct hns_roce_bitmap *bitmap)
{
kfree(bitmap->table);
}
void hns_roce_buf_free(struct hns_roce_dev *hr_dev, struct hns_roce_buf *buf)
{
struct hns_roce_buf_list *trunks;

5
drivers/infiniband/hw/hns/hns_roce_device.h
View File

@ -1152,11 +1152,6 @@ void hns_roce_cleanup_eq_table(struct hns_roce_dev *hr_dev);
void hns_roce_cleanup_cq_table(struct hns_roce_dev *hr_dev);
void hns_roce_cleanup_qp_table(struct hns_roce_dev *hr_dev);
int hns_roce_bitmap_alloc(struct hns_roce_bitmap *bitmap, unsigned long *obj);
void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj);
int hns_roce_bitmap_init(struct hns_roce_bitmap *bitmap, u32 num, u32 mask,
u32 reserved_bot, u32 resetrved_top);
void hns_roce_bitmap_cleanup(struct hns_roce_bitmap *bitmap);
void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev);
int hns_roce_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,