From: Jason Gunthorpe <jgg@mellanox.com>
Date: Thu, 28 May 2020 16:45:55 -0300
Subject: RDMA: Remove 'max_map_per_fmr'
Patch-mainline: v5.8-rc1
Git-commit: 4d12c04caa88cd3115f25acd832a7cddb698981b
References: jsc#SLE-15176
Now that FMR support is gone, this attribute can be deleted from all
places.
Link: https://lore.kernel.org/r/13-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/core/uverbs_cmd.c | 1 -
drivers/infiniband/hw/hfi1/verbs.c | 1 -
drivers/infiniband/hw/i40iw/i40iw_verbs.c | 1 -
drivers/infiniband/hw/mlx5/main.c | 1 -
drivers/infiniband/hw/mthca/mthca_provider.c | 10 ----------
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 1 -
drivers/infiniband/hw/qedr/verbs.c | 1 -
drivers/infiniband/hw/qib/qib_verbs.c | 1 -
drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 1 -
include/rdma/ib_verbs.h | 1 -
10 files changed, 19 deletions(-)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -356,7 +356,6 @@ static void copy_query_dev_fields(struct
resp->max_mcast_qp_attach = attr->max_mcast_qp_attach;
resp->max_total_mcast_qp_attach = attr->max_total_mcast_qp_attach;
resp->max_ah = attr->max_ah;
- resp->max_map_per_fmr = attr->max_map_per_fmr;
resp->max_srq = attr->max_srq;
resp->max_srq_wr = attr->max_srq_wr;
resp->max_srq_sge = attr->max_srq_sge;
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -1361,7 +1361,6 @@ static void hfi1_fill_device_attr(struct
rdi->dparms.props.max_cq = hfi1_max_cqs;
rdi->dparms.props.max_ah = hfi1_max_ahs;
rdi->dparms.props.max_cqe = hfi1_max_cqes;
- rdi->dparms.props.max_map_per_fmr = 32767;
rdi->dparms.props.max_pd = hfi1_max_pds;
rdi->dparms.props.max_qp_rd_atom = HFI1_MAX_RDMA_ATOMIC;
rdi->dparms.props.max_qp_init_rd_atom = 255;
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
@@ -83,7 +83,6 @@ static int i40iw_query_device(struct ib_
props->max_qp_rd_atom = I40IW_MAX_IRD_SIZE;
props->max_qp_init_rd_atom = props->max_qp_rd_atom;
props->atomic_cap = IB_ATOMIC_NONE;
- props->max_map_per_fmr = 1;
props->max_fast_reg_page_list_len = I40IW_MAX_PAGES_PER_FMR;
return 0;
}
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -999,7 +999,6 @@ static int mlx5_ib_query_device(struct i
props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg);
props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
props->max_mcast_grp;
- props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */
props->max_ah = INT_MAX;
props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz);
props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL;
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -118,16 +118,6 @@ static int mthca_query_device(struct ib_
props->max_mcast_qp_attach = MTHCA_QP_PER_MGM;
props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
props->max_mcast_grp;
- /*
- * If Sinai memory key optimization is being used, then only
- * the 8-bit key portion will change. For other HCAs, the
- * unused index bits will also be used for FMR remapping.
- */
- if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
- props->max_map_per_fmr = 255;
- else
- props->max_map_per_fmr =
- (1 << (32 - ilog2(mdev->limits.num_mpts))) - 1;
err = 0;
out:
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -99,7 +99,6 @@ int ocrdma_query_device(struct ib_device
attr->max_mw = dev->attr.max_mw;
attr->max_pd = dev->attr.max_pd;
attr->atomic_cap = 0;
- attr->max_map_per_fmr = 0;
attr->max_qp_rd_atom =
min(dev->attr.max_ord_per_qp, dev->attr.max_ird_per_qp);
attr->max_qp_init_rd_atom = dev->attr.max_ord_per_qp;
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -145,7 +145,6 @@ int qedr_query_device(struct ib_device *
attr->max_mw = qattr->max_mw;
attr->max_pd = qattr->max_pd;
attr->atomic_cap = dev->atomic_cap;
- attr->max_map_per_fmr = 16;
attr->max_qp_init_rd_atom =
1 << (fls(qattr->max_qp_req_rd_atomic_resc) - 1);
attr->max_qp_rd_atom =
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1460,7 +1460,6 @@ static void qib_fill_device_attr(struct
rdi->dparms.props.max_cq = ib_qib_max_cqs;
rdi->dparms.props.max_cqe = ib_qib_max_cqes;
rdi->dparms.props.max_ah = ib_qib_max_ahs;
- rdi->dparms.props.max_map_per_fmr = 32767;
rdi->dparms.props.max_qp_rd_atom = QIB_MAX_RDMA_ATOMIC;
rdi->dparms.props.max_qp_init_rd_atom = 255;
rdi->dparms.props.max_srq = ib_qib_max_srqs;
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -322,7 +322,6 @@ int usnic_ib_query_device(struct ib_devi
props->max_mcast_grp = 0;
props->max_mcast_qp_attach = 0;
props->max_total_mcast_qp_attach = 0;
- props->max_map_per_fmr = 0;
/* Owned by Userspace
* max_qp_wr, max_sge, max_sge_rd, max_cqe */
mutex_unlock(&us_ibdev->usdev_lock);
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -430,7 +430,6 @@ struct ib_device_attr {
int max_mcast_qp_attach;
int max_total_mcast_qp_attach;
int max_ah;
- int max_map_per_fmr;
int max_srq;
int max_srq_wr;
int max_srq_sge;