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RDMA/qedr: Remove fbo and zbva from the MR 

zbva is always false, so fbo is never read.

A 'zero-based-virtual-address' is simply IOVA == 0, and the driver already
supports this.

Link: https://lore.kernel.org/r/16-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Jason Gunthorpe 2020-09-04 19:41:57 -03:00
parent 81655d3c4a
commit b3003a7445
3 changed files with 2 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/hw/qedr/verbs.c
View File

@ -2882,10 +2882,8 @@ struct ib_mr *qedr_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len,
mr->hw_mr.pbl_two_level = mr->info.pbl_info.two_layered;
mr->hw_mr.pbl_page_size_log = ilog2(mr->info.pbl_info.pbl_size);
mr->hw_mr.page_size_log = PAGE_SHIFT;
mr->hw_mr.fbo = ib_umem_offset(mr->umem);
mr->hw_mr.length = len;
mr->hw_mr.vaddr = usr_addr;
mr->hw_mr.zbva = false;
mr->hw_mr.phy_mr = false;
mr->hw_mr.dma_mr = false;
@ -2978,10 +2976,8 @@ static struct qedr_mr *__qedr_alloc_mr(struct ib_pd *ibpd,
mr->hw_mr.pbl_ptr = 0;
mr->hw_mr.pbl_two_level = mr->info.pbl_info.two_layered;
mr->hw_mr.pbl_page_size_log = ilog2(mr->info.pbl_info.pbl_size);
mr->hw_mr.fbo = 0;
mr->hw_mr.length = 0;
mr->hw_mr.vaddr = 0;
mr->hw_mr.zbva = false;
mr->hw_mr.phy_mr = true;
mr->hw_mr.dma_mr = false;

12
drivers/net/ethernet/qlogic/qed/qed_rdma.c
View File

@ -1521,7 +1521,7 @@ qed_rdma_register_tid(void *rdma_cxt,
params->pbl_two_level);
SET_FIELD(flags, RDMA_REGISTER_TID_RAMROD_DATA_ZERO_BASED,
params->zbva);
false);
SET_FIELD(flags, RDMA_REGISTER_TID_RAMROD_DATA_PHY_MR, params->phy_mr);
@ -1583,15 +1583,7 @@ qed_rdma_register_tid(void *rdma_cxt,
p_ramrod->pd = cpu_to_le16(params->pd);
p_ramrod->length_hi = (u8)(params->length >> 32);
p_ramrod->length_lo = DMA_LO_LE(params->length);
if (params->zbva) {
/* Lower 32 bits of the registered MR address.
* In case of zero based MR, will hold FBO
*/
p_ramrod->va.hi = 0;
p_ramrod->va.lo = cpu_to_le32(params->fbo);
} else {
DMA_REGPAIR_LE(p_ramrod->va, params->vaddr);
}
DMA_REGPAIR_LE(p_ramrod->va, params->vaddr);
DMA_REGPAIR_LE(p_ramrod->pbl_base, params->pbl_ptr);
/* DIF */

2
include/linux/qed/qed_rdma_if.h
View File

@ -242,10 +242,8 @@ struct qed_rdma_register_tid_in_params {
bool pbl_two_level;
u8 pbl_page_size_log;
u8 page_size_log;
u32 fbo;
u64 length;
u64 vaddr;
bool zbva;
bool phy_mr;
bool dma_mr;