diff options
Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_verbs.c')
-rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 7ee4926925d3..986b5f4823ea 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -992,93 +992,6 @@ connect_failure: return err; } -/** - * iser_reg_page_vec - Register physical memory - * - * returns: 0 on success, errno code on failure - */ -int iser_reg_page_vec(struct ib_conn *ib_conn, - struct iser_page_vec *page_vec, - struct iser_mem_reg *mem_reg) -{ - struct ib_pool_fmr *mem; - u64 io_addr; - u64 *page_list; - int status; - - page_list = page_vec->pages; - io_addr = page_list[0]; - - mem = ib_fmr_pool_map_phys(ib_conn->fmr.pool, - page_list, - page_vec->length, - io_addr); - - if (IS_ERR(mem)) { - status = (int)PTR_ERR(mem); - iser_err("ib_fmr_pool_map_phys failed: %d\n", status); - return status; - } - - mem_reg->lkey = mem->fmr->lkey; - mem_reg->rkey = mem->fmr->rkey; - mem_reg->len = page_vec->length * SIZE_4K; - mem_reg->va = io_addr; - mem_reg->mem_h = (void *)mem; - - mem_reg->va += page_vec->offset; - mem_reg->len = page_vec->data_size; - - iser_dbg("PHYSICAL Mem.register, [PHYS p_array: 0x%p, sz: %d, " - "entry[0]: (0x%08lx,%ld)] -> " - "[lkey: 0x%08X mem_h: 0x%p va: 0x%08lX sz: %ld]\n", - page_vec, page_vec->length, - (unsigned long)page_vec->pages[0], - (unsigned long)page_vec->data_size, - (unsigned int)mem_reg->lkey, mem_reg->mem_h, - (unsigned long)mem_reg->va, (unsigned long)mem_reg->len); - return 0; -} - -/** - * Unregister (previosuly registered using FMR) memory. - * If memory is non-FMR does nothing. - */ -void iser_unreg_mem_fmr(struct iscsi_iser_task *iser_task, - enum iser_data_dir cmd_dir) -{ - struct iser_mem_reg *reg = &iser_task->rdma_regd[cmd_dir].reg; - int ret; - - if (!reg->mem_h) - return; - - iser_dbg("PHYSICAL Mem.Unregister mem_h %p\n",reg->mem_h); - - ret = ib_fmr_pool_unmap((struct ib_pool_fmr *)reg->mem_h); - if (ret) - iser_err("ib_fmr_pool_unmap failed %d\n", ret); - - reg->mem_h = NULL; -} - -void iser_unreg_mem_fastreg(struct iscsi_iser_task *iser_task, - enum iser_data_dir cmd_dir) -{ - struct iser_mem_reg *reg = &iser_task->rdma_regd[cmd_dir].reg; - struct iser_conn *iser_conn = iser_task->iser_conn; - struct ib_conn *ib_conn = &iser_conn->ib_conn; - struct fast_reg_descriptor *desc = reg->mem_h; - - if (!desc) - return; - - reg->mem_h = NULL; - spin_lock_bh(&ib_conn->lock); - list_add_tail(&desc->list, &ib_conn->fastreg.pool); - spin_unlock_bh(&ib_conn->lock); -} - int iser_post_recvl(struct iser_conn *iser_conn) { struct ib_recv_wr rx_wr, *rx_wr_failed; |