diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v1.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 45 |
1 files changed, 14 insertions, 31 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 49775cda83dc..b4b98e818328 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -1099,7 +1099,6 @@ static int hns_roce_v1_dereg_mr(struct hns_roce_dev *hr_dev, struct completion comp; long end = HNS_ROCE_V1_FREE_MR_TIMEOUT_MSECS; unsigned long start = jiffies; - int npages; int ret = 0; priv = (struct hns_roce_v1_priv *)hr_dev->priv; @@ -1146,17 +1145,9 @@ free_mr: dev_dbg(dev, "Free mr 0x%x use 0x%x us.\n", mr->key, jiffies_to_usecs(jiffies) - jiffies_to_usecs(start)); - if (mr->size != ~0ULL) { - npages = ib_umem_page_count(mr->umem); - dma_free_coherent(dev, npages * 8, mr->pbl_buf, - mr->pbl_dma_addr); - } - hns_roce_bitmap_free(&hr_dev->mr_table.mtpt_bitmap, key_to_hw_index(mr->key), 0); - - ib_umem_release(mr->umem); - + hns_roce_mtr_destroy(hr_dev, &mr->pbl_mtr); kfree(mr); return ret; @@ -1826,9 +1817,12 @@ static void hns_roce_v1_set_mtu(struct hns_roce_dev *hr_dev, u8 phy_port, static int hns_roce_v1_write_mtpt(void *mb_buf, struct hns_roce_mr *mr, unsigned long mtpt_idx) { + struct hns_roce_dev *hr_dev = to_hr_dev(mr->ibmr.device); + u64 pages[HNS_ROCE_MAX_INNER_MTPT_NUM] = { 0 }; + struct ib_device *ibdev = &hr_dev->ib_dev; struct hns_roce_v1_mpt_entry *mpt_entry; - struct sg_dma_page_iter sg_iter; - u64 *pages; + dma_addr_t pbl_ba; + int count; int i; /* MPT filled into mailbox buf */ @@ -1878,22 +1872,15 @@ static int hns_roce_v1_write_mtpt(void *mb_buf, struct hns_roce_mr *mr, if (mr->type == MR_TYPE_DMA) return 0; - pages = (u64 *) __get_free_page(GFP_KERNEL); - if (!pages) - return -ENOMEM; - - i = 0; - for_each_sg_dma_page(mr->umem->sg_head.sgl, &sg_iter, mr->umem->nmap, 0) { - pages[i] = ((u64)sg_page_iter_dma_address(&sg_iter)) >> 12; - - /* Directly record to MTPT table firstly 7 entry */ - if (i >= HNS_ROCE_MAX_INNER_MTPT_NUM) - break; - i++; + count = hns_roce_mtr_find(hr_dev, &mr->pbl_mtr, 0, pages, + ARRAY_SIZE(pages), &pbl_ba); + if (count < 1) { + ibdev_err(ibdev, "failed to find PBL mtr, count = %d.", count); + return -ENOBUFS; } /* Register user mr */ - for (i = 0; i < HNS_ROCE_MAX_INNER_MTPT_NUM; i++) { + for (i = 0; i < count; i++) { switch (i) { case 0: mpt_entry->pa0_l = cpu_to_le32((u32)(pages[i])); @@ -1959,13 +1946,9 @@ static int hns_roce_v1_write_mtpt(void *mb_buf, struct hns_roce_mr *mr, } } - free_page((unsigned long) pages); - - mpt_entry->pbl_addr_l = cpu_to_le32((u32)(mr->pbl_dma_addr)); - + mpt_entry->pbl_addr_l = cpu_to_le32(pbl_ba); roce_set_field(mpt_entry->mpt_byte_12, MPT_BYTE_12_PBL_ADDR_H_M, - MPT_BYTE_12_PBL_ADDR_H_S, - ((u32)(mr->pbl_dma_addr >> 32))); + MPT_BYTE_12_PBL_ADDR_H_S, upper_32_bits(pbl_ba)); return 0; } |