diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_alloc.c')
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_alloc.c | 74 |
1 files changed, 2 insertions, 72 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_alloc.c b/drivers/infiniband/hw/hns/hns_roce_alloc.c index 1b02d3bc9bae..d4fa0fd52294 100644 --- a/drivers/infiniband/hw/hns/hns_roce_alloc.c +++ b/drivers/infiniband/hw/hns/hns_roce_alloc.c @@ -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; @@ -248,10 +178,10 @@ void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev) ida_destroy(&hr_dev->xrcd_ida.ida); if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ) - hns_roce_cleanup_srq_table(hr_dev); + ida_destroy(&hr_dev->srq_table.srq_ida.ida); hns_roce_cleanup_qp_table(hr_dev); hns_roce_cleanup_cq_table(hr_dev); ida_destroy(&hr_dev->mr_table.mtpt_ida.ida); ida_destroy(&hr_dev->pd_ida.ida); - hns_roce_cleanup_uar_table(hr_dev); + ida_destroy(&hr_dev->uar_ida.ida); } |