From: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx>
In order to optimize the size of driver private structure,
the memory for dev_attr is allocated dynamically during the
chip context initialization. In order to make certain runtime
decisions, store dev_attr in the qplib_res structure.
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx>
Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
---
drivers/infiniband/hw/bnxt_re/bnxt_re.h | 2 +-
drivers/infiniband/hw/bnxt_re/hw_counters.c | 2 +-
drivers/infiniband/hw/bnxt_re/ib_verbs.c | 38 ++++++++++++++---------------
drivers/infiniband/hw/bnxt_re/main.c | 36 +++++++++++++++++----------
drivers/infiniband/hw/bnxt_re/qplib_res.c | 7 +++---
drivers/infiniband/hw/bnxt_re/qplib_res.h | 4 +--
drivers/infiniband/hw/bnxt_re/qplib_sp.c | 4 +--
drivers/infiniband/hw/bnxt_re/qplib_sp.h | 3 +--
8 files changed, 51 insertions(+), 45 deletions(-)
diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
index dc2b193..b91a85a 100644
--- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h
+++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
@@ -204,7 +204,7 @@ struct bnxt_re_dev {
struct bnxt_re_nq_record *nqr;
/* Device Resources */
- struct bnxt_qplib_dev_attr dev_attr;
+ struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_ctx qplib_ctx;
struct bnxt_qplib_res qplib_res;
struct bnxt_qplib_dpi dpi_privileged;
diff --git a/drivers/infiniband/hw/bnxt_re/hw_counters.c b/drivers/infiniband/hw/bnxt_re/hw_counters.c
index 77ec2ed..3ac47f4 100644
--- a/drivers/infiniband/hw/bnxt_re/hw_counters.c
+++ b/drivers/infiniband/hw/bnxt_re/hw_counters.c
@@ -348,7 +348,7 @@ int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev,
goto done;
}
bnxt_re_copy_err_stats(rdev, stats, err_s);
- if (_is_ext_stats_supported(rdev->dev_attr.dev_cap_flags) &&
+ if (_is_ext_stats_supported(rdev->dev_attr->dev_cap_flags) &&
!rdev->is_virtfn) {
rc = bnxt_re_get_ext_stat(rdev, stats);
if (rc) {
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 27efaaf..8b5435e 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -159,7 +159,7 @@ static int __qp_access_flags_to_ib(struct bnxt_qplib_chip_ctx *cctx, u8 qflags)
static void bnxt_re_check_and_set_relaxed_ordering(struct bnxt_re_dev *rdev,
struct bnxt_qplib_mrw *qplib_mr)
{
- if (_is_relaxed_ordering_supported(rdev->dev_attr.dev_cap_flags2) &&
+ if (_is_relaxed_ordering_supported(rdev->dev_attr->dev_cap_flags2) &&
pcie_relaxed_ordering_enabled(rdev->en_dev->pdev))
qplib_mr->flags |= CMDQ_REGISTER_MR_FLAGS_ENABLE_RO;
}
@@ -184,7 +184,7 @@ int bnxt_re_query_device(struct ib_device *ibdev,
struct ib_udata *udata)
{
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
- struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
+ struct bnxt_qplib_dev_attr *dev_attr = rdev->dev_attr;
memset(ib_attr, 0, sizeof(*ib_attr));
memcpy(&ib_attr->fw_ver, dev_attr->fw_ver,
@@ -273,7 +273,7 @@ int bnxt_re_query_port(struct ib_device *ibdev, u32 port_num,
struct ib_port_attr *port_attr)
{
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
- struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
+ struct bnxt_qplib_dev_attr *dev_attr = rdev->dev_attr;
int rc;
memset(port_attr, 0, sizeof(*port_attr));
@@ -331,8 +331,8 @@ void bnxt_re_query_fw_str(struct ib_device *ibdev, char *str)
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%d.%d",
- rdev->dev_attr.fw_ver[0], rdev->dev_attr.fw_ver[1],
- rdev->dev_attr.fw_ver[2], rdev->dev_attr.fw_ver[3]);
+ rdev->dev_attr->fw_ver[0], rdev->dev_attr->fw_ver[1],
+ rdev->dev_attr->fw_ver[2], rdev->dev_attr->fw_ver[3]);
}
int bnxt_re_query_pkey(struct ib_device *ibdev, u32 port_num,
@@ -583,7 +583,7 @@ static int bnxt_re_create_fence_mr(struct bnxt_re_pd *pd)
mr->qplib_mr.pd = &pd->qplib_pd;
mr->qplib_mr.type = CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR;
mr->qplib_mr.access_flags = __from_ib_access_flags(mr_access_flags);
- if (!_is_alloc_mr_unified(rdev->dev_attr.dev_cap_flags)) {
+ if (!_is_alloc_mr_unified(rdev->dev_attr->dev_cap_flags)) {
rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &mr->qplib_mr);
if (rc) {
ibdev_err(&rdev->ibdev, "Failed to alloc fence-HW-MR\n");
@@ -1060,7 +1060,7 @@ static int bnxt_re_setup_swqe_size(struct bnxt_re_qp *qp,
rdev = qp->rdev;
qplqp = &qp->qplib_qp;
sq = &qplqp->sq;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
align = sizeof(struct sq_send_hdr);
ilsize = ALIGN(init_attr->cap.max_inline_data, align);
@@ -1280,7 +1280,7 @@ static int bnxt_re_init_rq_attr(struct bnxt_re_qp *qp,
rdev = qp->rdev;
qplqp = &qp->qplib_qp;
rq = &qplqp->rq;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
if (init_attr->srq) {
struct bnxt_re_srq *srq;
@@ -1317,7 +1317,7 @@ static void bnxt_re_adjust_gsi_rq_attr(struct bnxt_re_qp *qp)
rdev = qp->rdev;
qplqp = &qp->qplib_qp;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
qplqp->rq.max_sge = dev_attr->max_qp_sges;
@@ -1343,7 +1343,7 @@ static int bnxt_re_init_sq_attr(struct bnxt_re_qp *qp,
rdev = qp->rdev;
qplqp = &qp->qplib_qp;
sq = &qplqp->sq;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
sq->max_sge = init_attr->cap.max_send_sge;
entries = init_attr->cap.max_send_wr;
@@ -1396,7 +1396,7 @@ static void bnxt_re_adjust_gsi_sq_attr(struct bnxt_re_qp *qp,
rdev = qp->rdev;
qplqp = &qp->qplib_qp;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
entries = bnxt_re_init_depth(init_attr->cap.max_send_wr + 1, uctx);
@@ -1445,7 +1445,7 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
rdev = qp->rdev;
qplqp = &qp->qplib_qp;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
/* Setup misc params */
ether_addr_copy(qplqp->smac, rdev->netdev->dev_addr);
@@ -1615,7 +1615,7 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
ib_pd = ib_qp->pd;
pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
rdev = pd->rdev;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
qp = container_of(ib_qp, struct bnxt_re_qp, ib_qp);
uctx = rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
@@ -1843,7 +1843,7 @@ int bnxt_re_create_srq(struct ib_srq *ib_srq,
ib_pd = ib_srq->pd;
pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
rdev = pd->rdev;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
srq = container_of(ib_srq, struct bnxt_re_srq, ib_srq);
if (srq_init_attr->attr.max_wr >= dev_attr->max_srq_wqes) {
@@ -2047,7 +2047,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
{
struct bnxt_re_qp *qp = container_of(ib_qp, struct bnxt_re_qp, ib_qp);
struct bnxt_re_dev *rdev = qp->rdev;
- struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
+ struct bnxt_qplib_dev_attr *dev_attr = rdev->dev_attr;
enum ib_qp_state curr_qp_state, new_qp_state;
int rc, entries;
unsigned int flags;
@@ -3089,7 +3089,7 @@ int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct ib_udata *udata = &attrs->driver_udata;
struct bnxt_re_ucontext *uctx =
rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
- struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
+ struct bnxt_qplib_dev_attr *dev_attr = rdev->dev_attr;
struct bnxt_qplib_chip_ctx *cctx;
int cqe = attr->cqe;
int rc, entries;
@@ -3224,7 +3224,7 @@ int bnxt_re_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
cq = container_of(ibcq, struct bnxt_re_cq, ib_cq);
rdev = cq->rdev;
- dev_attr = &rdev->dev_attr;
+ dev_attr = rdev->dev_attr;
if (!ibcq->uobject) {
ibdev_err(&rdev->ibdev, "Kernel CQ Resize not supported");
return -EOPNOTSUPP;
@@ -4197,7 +4197,7 @@ static struct ib_mr *__bnxt_re_user_reg_mr(struct ib_pd *ib_pd, u64 length, u64
mr->qplib_mr.access_flags = __from_ib_access_flags(mr_access_flags);
mr->qplib_mr.type = CMDQ_ALLOCATE_MRW_MRW_FLAGS_MR;
- if (!_is_alloc_mr_unified(rdev->dev_attr.dev_cap_flags)) {
+ if (!_is_alloc_mr_unified(rdev->dev_attr->dev_cap_flags)) {
rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &mr->qplib_mr);
if (rc) {
ibdev_err(&rdev->ibdev, "Failed to allocate MR rc = %d", rc);
@@ -4289,7 +4289,7 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata)
struct bnxt_re_ucontext *uctx =
container_of(ctx, struct bnxt_re_ucontext, ib_uctx);
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
- struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
+ struct bnxt_qplib_dev_attr *dev_attr = rdev->dev_attr;
struct bnxt_re_user_mmap_entry *entry;
struct bnxt_re_uctx_resp resp = {};
struct bnxt_re_uctx_req ureq = {};
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index 33956fc..7c7057b 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -148,6 +148,10 @@ static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev)
if (!rdev->chip_ctx)
return;
+
+ kfree(rdev->dev_attr);
+ rdev->dev_attr = NULL;
+
chip_ctx = rdev->chip_ctx;
rdev->chip_ctx = NULL;
rdev->rcfw.res = NULL;
@@ -161,7 +165,7 @@ static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev)
{
struct bnxt_qplib_chip_ctx *chip_ctx;
struct bnxt_en_dev *en_dev;
- int rc;
+ int rc = -ENOMEM;
en_dev = rdev->en_dev;
@@ -177,7 +181,10 @@ static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev)
rdev->qplib_res.cctx = rdev->chip_ctx;
rdev->rcfw.res = &rdev->qplib_res;
- rdev->qplib_res.dattr = &rdev->dev_attr;
+ rdev->dev_attr = kzalloc(sizeof(*rdev->dev_attr), GFP_KERNEL);
+ if (!rdev->dev_attr)
+ goto free_chip_ctx;
+ rdev->qplib_res.dattr = rdev->dev_attr;
rdev->qplib_res.is_vf = BNXT_EN_VF(en_dev);
rdev->qplib_res.en_dev = en_dev;
@@ -185,16 +192,20 @@ static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev)
bnxt_re_set_db_offset(rdev);
rc = bnxt_qplib_map_db_bar(&rdev->qplib_res);
- if (rc) {
- kfree(rdev->chip_ctx);
- rdev->chip_ctx = NULL;
- return rc;
- }
+ if (rc)
+ goto free_dev_attr;
if (bnxt_qplib_determine_atomics(en_dev->pdev))
ibdev_info(&rdev->ibdev,
"platform doesn't support global atomics.");
return 0;
+free_dev_attr:
+ kfree(rdev->dev_attr);
+ rdev->dev_attr = NULL;
+free_chip_ctx:
+ kfree(rdev->chip_ctx);
+ rdev->chip_ctx = NULL;
+ return rc;
}
/* SR-IOV helper functions */
@@ -216,7 +227,7 @@ static void bnxt_re_limit_pf_res(struct bnxt_re_dev *rdev)
struct bnxt_qplib_ctx *ctx;
int i;
- attr = &rdev->dev_attr;
+ attr = rdev->dev_attr;
ctx = &rdev->qplib_ctx;
ctx->qpc_count = min_t(u32, BNXT_RE_MAX_QPC_COUNT,
@@ -230,7 +241,7 @@ static void bnxt_re_limit_pf_res(struct bnxt_re_dev *rdev)
if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
for (i = 0; i < MAX_TQM_ALLOC_REQ; i++)
rdev->qplib_ctx.tqm_ctx.qcount[i] =
- rdev->dev_attr.tqm_alloc_reqs[i];
+ rdev->dev_attr->tqm_alloc_reqs[i];
}
static void bnxt_re_limit_vf_res(struct bnxt_qplib_ctx *qplib_ctx, u32 num_vf)
@@ -1726,12 +1737,11 @@ static int bnxt_re_alloc_res(struct bnxt_re_dev *rdev)
/* Configure and allocate resources for qplib */
rdev->qplib_res.rcfw = &rdev->rcfw;
- rc = bnxt_qplib_get_dev_attr(&rdev->rcfw, &rdev->dev_attr);
+ rc = bnxt_qplib_get_dev_attr(&rdev->rcfw);
if (rc)
goto fail;
- rc = bnxt_qplib_alloc_res(&rdev->qplib_res, rdev->en_dev->pdev,
- rdev->netdev, &rdev->dev_attr);
+ rc = bnxt_qplib_alloc_res(&rdev->qplib_res, rdev->netdev);
if (rc)
goto fail;
@@ -2168,7 +2178,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 op_type)
rdev->pacing.dbr_pacing = false;
}
}
- rc = bnxt_qplib_get_dev_attr(&rdev->rcfw, &rdev->dev_attr);
+ rc = bnxt_qplib_get_dev_attr(&rdev->rcfw);
if (rc)
goto disable_rcfw;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c
index 96ceec1..02922a0 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c
@@ -876,14 +876,13 @@ void bnxt_qplib_free_res(struct bnxt_qplib_res *res)
bnxt_qplib_free_dpi_tbl(res, &res->dpi_tbl);
}
-int bnxt_qplib_alloc_res(struct bnxt_qplib_res *res, struct pci_dev *pdev,
- struct net_device *netdev,
- struct bnxt_qplib_dev_attr *dev_attr)
+int bnxt_qplib_alloc_res(struct bnxt_qplib_res *res, struct net_device *netdev)
{
+ struct bnxt_qplib_dev_attr *dev_attr;
int rc;
- res->pdev = pdev;
res->netdev = netdev;
+ dev_attr = res->dattr;
rc = bnxt_qplib_alloc_sgid_tbl(res, &res->sgid_tbl, dev_attr->max_sgid);
if (rc)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h
index 21fb148..f5a48e8 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h
@@ -424,9 +424,7 @@ int bnxt_qplib_dealloc_dpi(struct bnxt_qplib_res *res,
void bnxt_qplib_cleanup_res(struct bnxt_qplib_res *res);
int bnxt_qplib_init_res(struct bnxt_qplib_res *res);
void bnxt_qplib_free_res(struct bnxt_qplib_res *res);
-int bnxt_qplib_alloc_res(struct bnxt_qplib_res *res, struct pci_dev *pdev,
- struct net_device *netdev,
- struct bnxt_qplib_dev_attr *dev_attr);
+int bnxt_qplib_alloc_res(struct bnxt_qplib_res *res, struct net_device *netdev);
void bnxt_qplib_free_ctx(struct bnxt_qplib_res *res,
struct bnxt_qplib_ctx *ctx);
int bnxt_qplib_alloc_ctx(struct bnxt_qplib_res *res,
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index d56cc33..47ed455 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -88,9 +88,9 @@ static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
fw_ver[3] = resp.fw_rsvd;
}
-int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
- struct bnxt_qplib_dev_attr *attr)
+int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw)
{
+ struct bnxt_qplib_dev_attr *attr = rcfw->res->dattr;
struct creq_query_func_resp resp = {};
struct bnxt_qplib_cmdqmsg msg = {};
struct creq_query_func_resp_sb *sb;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
index eafa0c1..e626b05 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
@@ -326,8 +326,7 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
struct bnxt_qplib_gid *gid, u16 gid_idx,
const u8 *smac);
-int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
- struct bnxt_qplib_dev_attr *attr);
+int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw);
int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
struct bnxt_qplib_rcfw *rcfw,
struct bnxt_qplib_ctx *ctx);
--
2.5.5
