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authorJason Gunthorpe <jgg@nvidia.com>2020-09-04 19:41:57 -0300
committerJason Gunthorpe <jgg@nvidia.com>2020-09-11 10:24:54 -0300
commitb3003a74456f0c1f614a46c07e16abe33bfdd087 (patch)
tree9edbf359adbc4b9f4dd5839b9596149d41556c8e /drivers
parent81655d3c4a95f05495f3213acbbc5423fc4dbdfb (diff)
downloadlinux-b3003a74456f0c1f614a46c07e16abe33bfdd087.tar.bz2
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 KalderonĀ <michal.kalderon@marvell.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/qedr/verbs.c4
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_rdma.c12
2 files changed, 2 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 9319778f5df4..f7bfc43f0f5c 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -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;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index 03894584415d..0df6e0587752 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -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 */