From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Michael Margolin <mrgolin@amazon.com>,
linux-rdma@vger.kernel.org, sleybo@amazon.com, matua@amazon.com,
gal.pressman@linux.dev, Anas Mousa <anasmous@amazon.com>,
Firas Jahjah <firasj@amazon.com>
Subject: Re: [PATCH for-next v4] RDMA/efa: Add EFA query MR support
Date: Mon, 8 Jan 2024 20:01:40 +0200 [thread overview]
Message-ID: <20240108180140.GB12803@unreal> (raw)
In-Reply-To: <20240108130554.GF50406@nvidia.com>
On Mon, Jan 08, 2024 at 09:05:54AM -0400, Jason Gunthorpe wrote:
> On Sun, Jan 07, 2024 at 12:02:56PM +0200, Leon Romanovsky wrote:
> > On Thu, Jan 04, 2024 at 09:51:55AM +0000, Michael Margolin wrote:
> > > Add EFA driver uapi definitions and register a new query MR method that
> > > currently returns the physical interconnects the device is using to
> > > reach the MR. Update admin definitions and efa-abi accordingly.
> > >
> > > Reviewed-by: Anas Mousa <anasmous@amazon.com>
> > > Reviewed-by: Firas Jahjah <firasj@amazon.com>
> > > Signed-off-by: Michael Margolin <mrgolin@amazon.com>
> > > ---
> > > drivers/infiniband/hw/efa/efa.h | 12 +++-
> > > .../infiniband/hw/efa/efa_admin_cmds_defs.h | 33 ++++++++-
> > > drivers/infiniband/hw/efa/efa_com_cmd.c | 11 ++-
> > > drivers/infiniband/hw/efa/efa_com_cmd.h | 12 +++-
> > > drivers/infiniband/hw/efa/efa_main.c | 7 +-
> > > drivers/infiniband/hw/efa/efa_verbs.c | 71 ++++++++++++++++++-
> > > include/uapi/rdma/efa-abi.h | 21 +++++-
> > > 7 files changed, 160 insertions(+), 7 deletions(-)
> >
> > It is already fourth version of this patch and not a single word about
> > the changes. Please add changelog in your next submissions.
> >
> > Applied this patch with the following change.
> >
> > diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
> > index 8f4435706e4d..2f412db2edcd 100644
> > --- a/drivers/infiniband/hw/efa/efa_verbs.c
> > +++ b/drivers/infiniband/hw/efa/efa_verbs.c
> > @@ -1748,7 +1748,7 @@ static int UVERBS_HANDLER(EFA_IB_METHOD_MR_QUERY)(struct uverbs_attr_bundle *att
> > {
> > struct ib_mr *ibmr = uverbs_attr_get_obj(attrs, EFA_IB_ATTR_QUERY_MR_HANDLE);
> > struct efa_mr *mr = to_emr(ibmr);
> > - u16 ic_id_validity;
> > + u16 ic_id_validity = 0;
> > int ret;
> >
> > ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
> > @@ -1766,12 +1766,12 @@ static int UVERBS_HANDLER(EFA_IB_METHOD_MR_QUERY)(struct uverbs_attr_bundle *att
> > if (ret)
> > return ret;
> >
> > - ic_id_validity = (mr->ic_info.recv_ic_id_valid ?
> > - EFA_QUERY_MR_VALIDITY_RECV_IC_ID : 0) |
> > - (mr->ic_info.rdma_read_ic_id_valid ?
> > - EFA_QUERY_MR_VALIDITY_RDMA_READ_IC_ID : 0) |
> > - (mr->ic_info.rdma_recv_ic_id_valid ?
> > - EFA_QUERY_MR_VALIDITY_RDMA_RECV_IC_ID : 0);
> > + if (mr->ic_info.recv_ic_id_valid)
> > + ic_id_validity |= EFA_QUERY_MR_VALIDITY_RECV_IC_ID;
> > + if (mr->ic_info.rdma_read_ic_id_valid)
> > + ic_id_validity |= EFA_QUERY_MR_VALIDITY_RDMA_READ_IC_ID;
> > + if (mr->ic_info.rdma_recv_ic_id_valid)
> > + ic_id_validity |= EFA_QUERY_MR_VALIDITY_RDMA_RECV_IC_ID;
>
> I was saying in the rdma-core PR that this field shouldn't even
> exist..
Something like that?
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 2f412db2edcd..97619b29afe0 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -1748,33 +1748,29 @@ static int UVERBS_HANDLER(EFA_IB_METHOD_MR_QUERY)(struct uverbs_attr_bundle *att
{
struct ib_mr *ibmr = uverbs_attr_get_obj(attrs, EFA_IB_ATTR_QUERY_MR_HANDLE);
struct efa_mr *mr = to_emr(ibmr);
- u16 ic_id_validity = 0;
int ret;
- ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
- &mr->ic_info.recv_ic_id, sizeof(mr->ic_info.recv_ic_id));
- if (ret)
- return ret;
-
- ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RDMA_READ_IC_ID,
- &mr->ic_info.rdma_read_ic_id, sizeof(mr->ic_info.rdma_read_ic_id));
- if (ret)
- return ret;
-
- ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RDMA_RECV_IC_ID,
- &mr->ic_info.rdma_recv_ic_id, sizeof(mr->ic_info.rdma_recv_ic_id));
- if (ret)
- return ret;
+ if (mr->ic_info.recv_ic_id_valid) {
+ ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
+ &mr->ic_info.recv_ic_id, sizeof(mr->ic_info.recv_ic_id));
+ if (ret)
+ return ret;
+ }
- if (mr->ic_info.recv_ic_id_valid)
- ic_id_validity |= EFA_QUERY_MR_VALIDITY_RECV_IC_ID;
- if (mr->ic_info.rdma_read_ic_id_valid)
- ic_id_validity |= EFA_QUERY_MR_VALIDITY_RDMA_READ_IC_ID;
- if (mr->ic_info.rdma_recv_ic_id_valid)
- ic_id_validity |= EFA_QUERY_MR_VALIDITY_RDMA_RECV_IC_ID;
+ if (mr->ic_info.rdma_read_ic_id_valid) {
+ ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RDMA_READ_IC_ID,
+ &mr->ic_info.rdma_read_ic_id, sizeof(mr->ic_info.rdma_read_ic_id));
+ if (ret)
+ return ret;
+ }
- return uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_IC_ID_VALIDITY,
- &ic_id_validity, sizeof(ic_id_validity));
+ if (mr->ic_info.rdma_recv_ic_id_valid) {
+ ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RDMA_RECV_IC_ID,
+ &mr->ic_info.rdma_recv_ic_id, sizeof(mr->ic_info.rdma_recv_ic_id));
+ if (ret)
+ return ret;
+ }
+ return 0;
}
int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
@@ -2204,18 +2200,15 @@ DECLARE_UVERBS_NAMED_METHOD(EFA_IB_METHOD_MR_QUERY,
UVERBS_OBJECT_MR,
UVERBS_ACCESS_READ,
UA_MANDATORY),
- UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_IC_ID_VALIDITY,
- UVERBS_ATTR_TYPE(u16),
- UA_MANDATORY),
UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
UVERBS_ATTR_TYPE(u16),
- UA_MANDATORY),
+ UA_OPTIONAL),
UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_RDMA_READ_IC_ID,
UVERBS_ATTR_TYPE(u16),
- UA_MANDATORY),
+ UA_OPTIONAL),
UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_RDMA_RECV_IC_ID,
UVERBS_ATTR_TYPE(u16),
- UA_MANDATORY));
+ UA_OPTIONAL));
ADD_UVERBS_METHODS(efa_mr,
UVERBS_OBJECT_MR,
diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h
index 701e2d567e41..fbe5936e22cd 100644
--- a/include/uapi/rdma/efa-abi.h
+++ b/include/uapi/rdma/efa-abi.h
@@ -143,7 +143,6 @@ enum {
enum efa_query_mr_attrs {
EFA_IB_ATTR_QUERY_MR_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
- EFA_IB_ATTR_QUERY_MR_RESP_IC_ID_VALIDITY,
EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
EFA_IB_ATTR_QUERY_MR_RESP_RDMA_READ_IC_ID,
EFA_IB_ATTR_QUERY_MR_RESP_RDMA_RECV_IC_ID,
next prev parent reply other threads:[~2024-01-08 18:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-04 9:51 [PATCH for-next v4] RDMA/efa: Add EFA query MR support Michael Margolin
2024-01-07 10:02 ` Leon Romanovsky
2024-01-08 12:25 ` Margolin, Michael
2024-01-08 13:05 ` Jason Gunthorpe
2024-01-08 18:01 ` Leon Romanovsky [this message]
2024-01-08 18:06 ` Jason Gunthorpe
2024-01-08 19:40 ` Leon Romanovsky
2024-01-09 18:05 ` Leon Romanovsky
2024-01-10 10:00 ` Margolin, Michael
2024-01-07 10:03 ` Leon Romanovsky
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