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-rw-r--r--drivers/infiniband/core/nldev.c29
-rw-r--r--drivers/infiniband/core/restrack.c7
-rw-r--r--include/rdma/restrack.h9
-rw-r--r--include/uapi/rdma/rdma_netlink.h23
4 files changed, 68 insertions, 0 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 6b0c1eb71ea0..50efca482a6c 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -98,6 +98,15 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_NDEV_INDEX] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_NDEV_NAME] = { .type = NLA_NUL_STRING,
.len = IFNAMSIZ },
+ [RDMA_NLDEV_ATTR_DRIVER] = { .type = NLA_NESTED },
+ [RDMA_NLDEV_ATTR_DRIVER_ENTRY] = { .type = NLA_NESTED },
+ [RDMA_NLDEV_ATTR_DRIVER_STRING] = { .type = NLA_NUL_STRING,
+ .len = RDMA_NLDEV_ATTR_ENTRY_STRLEN },
+ [RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_DRIVER_S32] = { .type = NLA_S32 },
+ [RDMA_NLDEV_ATTR_DRIVER_U32] = { .type = NLA_U32 },
+ [RDMA_NLDEV_ATTR_DRIVER_S64] = { .type = NLA_S64 },
+ [RDMA_NLDEV_ATTR_DRIVER_U64] = { .type = NLA_U64 },
};
static int fill_nldev_handle(struct sk_buff *msg, struct ib_device *device)
@@ -285,6 +294,7 @@ static int fill_res_qp_entry(struct sk_buff *msg, struct netlink_callback *cb,
struct rdma_restrack_entry *res, uint32_t port)
{
struct ib_qp *qp = container_of(res, struct ib_qp, res);
+ struct rdma_restrack_root *resroot = &qp->device->res;
struct ib_qp_init_attr qp_init_attr;
struct nlattr *entry_attr;
struct ib_qp_attr qp_attr;
@@ -334,6 +344,9 @@ static int fill_res_qp_entry(struct sk_buff *msg, struct netlink_callback *cb,
if (fill_res_name_pid(msg, res))
goto err;
+ if (resroot->fill_res_entry(msg, res))
+ goto err;
+
nla_nest_end(msg, entry_attr);
return 0;
@@ -349,6 +362,7 @@ static int fill_res_cm_id_entry(struct sk_buff *msg,
{
struct rdma_id_private *id_priv =
container_of(res, struct rdma_id_private, res);
+ struct rdma_restrack_root *resroot = &id_priv->id.device->res;
struct rdma_cm_id *cm_id = &id_priv->id;
struct nlattr *entry_attr;
@@ -390,6 +404,9 @@ static int fill_res_cm_id_entry(struct sk_buff *msg,
if (fill_res_name_pid(msg, res))
goto err;
+ if (resroot->fill_res_entry(msg, res))
+ goto err;
+
nla_nest_end(msg, entry_attr);
return 0;
@@ -403,6 +420,7 @@ static int fill_res_cq_entry(struct sk_buff *msg, struct netlink_callback *cb,
struct rdma_restrack_entry *res, uint32_t port)
{
struct ib_cq *cq = container_of(res, struct ib_cq, res);
+ struct rdma_restrack_root *resroot = &cq->device->res;
struct nlattr *entry_attr;
entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_CQ_ENTRY);
@@ -423,6 +441,9 @@ static int fill_res_cq_entry(struct sk_buff *msg, struct netlink_callback *cb,
if (fill_res_name_pid(msg, res))
goto err;
+ if (resroot->fill_res_entry(msg, res))
+ goto err;
+
nla_nest_end(msg, entry_attr);
return 0;
@@ -436,6 +457,7 @@ static int fill_res_mr_entry(struct sk_buff *msg, struct netlink_callback *cb,
struct rdma_restrack_entry *res, uint32_t port)
{
struct ib_mr *mr = container_of(res, struct ib_mr, res);
+ struct rdma_restrack_root *resroot = &mr->pd->device->res;
struct nlattr *entry_attr;
entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_MR_ENTRY);
@@ -459,6 +481,9 @@ static int fill_res_mr_entry(struct sk_buff *msg, struct netlink_callback *cb,
if (fill_res_name_pid(msg, res))
goto err;
+ if (resroot->fill_res_entry(msg, res))
+ goto err;
+
nla_nest_end(msg, entry_attr);
return 0;
@@ -472,6 +497,7 @@ static int fill_res_pd_entry(struct sk_buff *msg, struct netlink_callback *cb,
struct rdma_restrack_entry *res, uint32_t port)
{
struct ib_pd *pd = container_of(res, struct ib_pd, res);
+ struct rdma_restrack_root *resroot = &pd->device->res;
struct nlattr *entry_attr;
entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_PD_ENTRY);
@@ -498,6 +524,9 @@ static int fill_res_pd_entry(struct sk_buff *msg, struct netlink_callback *cb,
if (fill_res_name_pid(msg, res))
goto err;
+ if (resroot->fill_res_entry(msg, res))
+ goto err;
+
nla_nest_end(msg, entry_attr);
return 0;
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index efddd13e3edb..172b517dc7b9 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -12,9 +12,16 @@
#include "cma_priv.h"
+static int fill_res_noop(struct sk_buff *msg,
+ struct rdma_restrack_entry *entry)
+{
+ return 0;
+}
+
void rdma_restrack_init(struct rdma_restrack_root *res)
{
init_rwsem(&res->rwsem);
+ res->fill_res_entry = fill_res_noop;
}
static const char *type2str(enum rdma_restrack_type type)
diff --git a/include/rdma/restrack.h b/include/rdma/restrack.h
index f3b3e3576f6a..14304e249685 100644
--- a/include/rdma/restrack.h
+++ b/include/rdma/restrack.h
@@ -44,6 +44,8 @@ enum rdma_restrack_type {
};
#define RDMA_RESTRACK_HASH_BITS 8
+struct rdma_restrack_entry;
+
/**
* struct rdma_restrack_root - main resource tracking management
* entity, per-device
@@ -57,6 +59,13 @@ struct rdma_restrack_root {
* @hash: global database for all resources per-device
*/
DECLARE_HASHTABLE(hash, RDMA_RESTRACK_HASH_BITS);
+ /**
+ * @fill_res_entry: driver-specific fill function
+ *
+ * Allows rdma drivers to add their own restrack attributes.
+ */
+ int (*fill_res_entry)(struct sk_buff *msg,
+ struct rdma_restrack_entry *entry);
};
/**
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index fbf99aa8a03c..07ff6c72fc50 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -249,6 +249,15 @@ enum rdma_nldev_command {
RDMA_NLDEV_NUM_OPS
};
+enum {
+ RDMA_NLDEV_ATTR_ENTRY_STRLEN = 16,
+};
+
+enum rdma_nldev_print_type {
+ RDMA_NLDEV_PRINT_TYPE_UNSPEC,
+ RDMA_NLDEV_PRINT_TYPE_HEX,
+};
+
enum rdma_nldev_attr {
/* don't change the order or add anything between, this is ABI! */
RDMA_NLDEV_ATTR_UNSPEC,
@@ -390,6 +399,20 @@ enum rdma_nldev_attr {
RDMA_NLDEV_ATTR_RES_PD_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY, /* u32 */
RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, /* u32 */
+ /*
+ * driver-specific attributes.
+ */
+ RDMA_NLDEV_ATTR_DRIVER, /* nested table */
+ RDMA_NLDEV_ATTR_DRIVER_ENTRY, /* nested table */
+ RDMA_NLDEV_ATTR_DRIVER_STRING, /* string */
+ /*
+ * u8 values from enum rdma_nldev_print_type
+ */
+ RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE, /* u8 */
+ RDMA_NLDEV_ATTR_DRIVER_S32, /* s32 */
+ RDMA_NLDEV_ATTR_DRIVER_U32, /* u32 */
+ RDMA_NLDEV_ATTR_DRIVER_S64, /* s64 */
+ RDMA_NLDEV_ATTR_DRIVER_U64, /* u64 */
/*
* Provides logical name and index of netdevice which is