diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/mem.c')
-rw-r--r-- | drivers/infiniband/hw/cxgb4/mem.c | 105 |
1 files changed, 5 insertions, 100 deletions
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 962dc97a8ff2..a2c71a1d93d5 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -365,22 +365,6 @@ static int dereg_mem(struct c4iw_rdev *rdev, u32 stag, u32 pbl_size, pbl_size, pbl_addr, skb, wr_waitp); } -static int allocate_window(struct c4iw_rdev *rdev, u32 *stag, u32 pdid, - struct c4iw_wr_wait *wr_waitp) -{ - *stag = T4_STAG_UNSET; - return write_tpt_entry(rdev, 0, stag, 0, pdid, FW_RI_STAG_MW, 0, 0, 0, - 0UL, 0, 0, 0, 0, NULL, wr_waitp); -} - -static int deallocate_window(struct c4iw_rdev *rdev, u32 stag, - struct sk_buff *skb, - struct c4iw_wr_wait *wr_waitp) -{ - return write_tpt_entry(rdev, 1, &stag, 0, 0, 0, 0, 0, 0, 0UL, 0, 0, 0, - 0, skb, wr_waitp); -} - static int allocate_stag(struct c4iw_rdev *rdev, u32 *stag, u32 pdid, u32 pbl_size, u32 pbl_addr, struct c4iw_wr_wait *wr_waitp) @@ -399,7 +383,6 @@ static int finish_mem_reg(struct c4iw_mr *mhp, u32 stag) mmid = stag >> 8; mhp->ibmr.rkey = mhp->ibmr.lkey = stag; mhp->ibmr.length = mhp->attr.len; - mhp->ibmr.iova = mhp->attr.va_fbo; mhp->ibmr.page_size = 1U << (mhp->attr.page_size + 12); pr_debug("mmid 0x%x mhp %p\n", mmid, mhp); return xa_insert_irq(&mhp->rhp->mrs, mmid, mhp, GFP_KERNEL); @@ -511,7 +494,7 @@ struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, __be64 *pages; int shift, n, i; int err = -ENOMEM; - struct sg_dma_page_iter sg_iter; + struct ib_block_iter biter; struct c4iw_dev *rhp; struct c4iw_pd *php; struct c4iw_mr *mhp; @@ -549,7 +532,7 @@ struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, shift = PAGE_SHIFT; - n = ib_umem_num_pages(mhp->umem); + n = ib_umem_num_dma_blocks(mhp->umem, 1 << shift); err = alloc_pbl(mhp, n); if (err) goto err_umem_release; @@ -562,8 +545,8 @@ struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, i = n = 0; - for_each_sg_dma_page(mhp->umem->sg_head.sgl, &sg_iter, mhp->umem->nmap, 0) { - pages[i++] = cpu_to_be64(sg_page_iter_dma_address(&sg_iter)); + rdma_umem_for_each_dma_block(mhp->umem, &biter, 1 << shift) { + pages[i++] = cpu_to_be64(rdma_block_iter_dma_address(&biter)); if (i == PAGE_SIZE / sizeof(*pages)) { err = write_pbl(&mhp->rhp->rdev, pages, mhp->attr.pbl_addr + (n << 3), i, @@ -612,86 +595,8 @@ err_free_mhp: return ERR_PTR(err); } -struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata) -{ - struct c4iw_dev *rhp; - struct c4iw_pd *php; - struct c4iw_mw *mhp; - u32 mmid; - u32 stag = 0; - int ret; - - if (type != IB_MW_TYPE_1) - return ERR_PTR(-EINVAL); - - php = to_c4iw_pd(pd); - rhp = php->rhp; - mhp = kzalloc(sizeof(*mhp), GFP_KERNEL); - if (!mhp) - return ERR_PTR(-ENOMEM); - - mhp->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL); - if (!mhp->wr_waitp) { - ret = -ENOMEM; - goto free_mhp; - } - - mhp->dereg_skb = alloc_skb(SGE_MAX_WR_LEN, GFP_KERNEL); - if (!mhp->dereg_skb) { - ret = -ENOMEM; - goto free_wr_wait; - } - - ret = allocate_window(&rhp->rdev, &stag, php->pdid, mhp->wr_waitp); - if (ret) - goto free_skb; - mhp->rhp = rhp; - mhp->attr.pdid = php->pdid; - mhp->attr.type = FW_RI_STAG_MW; - mhp->attr.stag = stag; - mmid = (stag) >> 8; - mhp->ibmw.rkey = stag; - if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) { - ret = -ENOMEM; - goto dealloc_win; - } - pr_debug("mmid 0x%x mhp %p stag 0x%x\n", mmid, mhp, stag); - return &(mhp->ibmw); - -dealloc_win: - deallocate_window(&rhp->rdev, mhp->attr.stag, mhp->dereg_skb, - mhp->wr_waitp); -free_skb: - kfree_skb(mhp->dereg_skb); -free_wr_wait: - c4iw_put_wr_wait(mhp->wr_waitp); -free_mhp: - kfree(mhp); - return ERR_PTR(ret); -} - -int c4iw_dealloc_mw(struct ib_mw *mw) -{ - struct c4iw_dev *rhp; - struct c4iw_mw *mhp; - u32 mmid; - - mhp = to_c4iw_mw(mw); - rhp = mhp->rhp; - mmid = (mw->rkey) >> 8; - xa_erase_irq(&rhp->mrs, mmid); - deallocate_window(&rhp->rdev, mhp->attr.stag, mhp->dereg_skb, - mhp->wr_waitp); - kfree_skb(mhp->dereg_skb); - c4iw_put_wr_wait(mhp->wr_waitp); - pr_debug("ib_mw %p mmid 0x%x ptr %p\n", mw, mmid, mhp); - kfree(mhp); - return 0; -} - struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, - u32 max_num_sg, struct ib_udata *udata) + u32 max_num_sg) { struct c4iw_dev *rhp; struct c4iw_pd *php; |