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path: root/drivers/infiniband/hw/mlx5/devx.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/devx.c')
-rw-r--r--drivers/infiniband/hw/mlx5/devx.c233
1 files changed, 179 insertions, 54 deletions
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 45c421c87100..5a588f3cfb1b 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -9,6 +9,7 @@
#include <rdma/uverbs_ioctl.h>
#include <rdma/mlx5_user_ioctl_cmds.h>
#include <rdma/ib_umem.h>
+#include <rdma/uverbs_std_types.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/fs.h>
#include "mlx5_ib.h"
@@ -40,29 +41,32 @@ struct devx_umem_reg_cmd {
u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
};
-static struct mlx5_ib_ucontext *devx_ufile2uctx(struct ib_uverbs_file *file)
+static struct mlx5_ib_ucontext *
+devx_ufile2uctx(const struct uverbs_attr_bundle *attrs)
{
- return to_mucontext(ib_uverbs_get_ucontext(file));
+ return to_mucontext(ib_uverbs_get_ucontext(attrs));
}
-int mlx5_ib_devx_create(struct mlx5_ib_dev *dev)
+int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user)
{
u32 in[MLX5_ST_SZ_DW(create_uctx_in)] = {0};
u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
- u64 general_obj_types;
- void *hdr;
+ void *uctx;
int err;
u16 uid;
+ u32 cap = 0;
- hdr = MLX5_ADDR_OF(create_uctx_in, in, hdr);
-
- general_obj_types = MLX5_CAP_GEN_64(dev->mdev, general_obj_types);
- if (!(general_obj_types & MLX5_GENERAL_OBJ_TYPES_CAP_UCTX) ||
- !(general_obj_types & MLX5_GENERAL_OBJ_TYPES_CAP_UMEM))
+ /* 0 means not supported */
+ if (!MLX5_CAP_GEN(dev->mdev, log_max_uctx))
return -EINVAL;
- MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
- MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type, MLX5_OBJ_TYPE_UCTX);
+ uctx = MLX5_ADDR_OF(create_uctx_in, in, uctx);
+ if (is_user && capable(CAP_NET_RAW) &&
+ (MLX5_CAP_GEN(dev->mdev, uctx_cap) & MLX5_UCTX_CAP_RAW_TX))
+ cap |= MLX5_UCTX_CAP_RAW_TX;
+
+ MLX5_SET(create_uctx_in, in, opcode, MLX5_CMD_OP_CREATE_UCTX);
+ MLX5_SET(uctx, uctx, cap, cap);
err = mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out));
if (err)
@@ -74,12 +78,11 @@ int mlx5_ib_devx_create(struct mlx5_ib_dev *dev)
void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid)
{
- u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_uctx_in)] = {0};
u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
- MLX5_SET(general_obj_in_cmd_hdr, in, opcode, MLX5_CMD_OP_DESTROY_GENERAL_OBJECT);
- MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, MLX5_OBJ_TYPE_UCTX);
- MLX5_SET(general_obj_in_cmd_hdr, in, obj_id, uid);
+ MLX5_SET(destroy_uctx_in, in, opcode, MLX5_CMD_OP_DESTROY_UCTX);
+ MLX5_SET(destroy_uctx_in, in, uid, uid);
mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out));
}
@@ -106,6 +109,21 @@ bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id, int *dest_type)
}
}
+bool mlx5_ib_devx_is_flow_counter(void *obj, u32 *counter_id)
+{
+ struct devx_obj *devx_obj = obj;
+ u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, opcode);
+
+ if (opcode == MLX5_CMD_OP_DEALLOC_FLOW_COUNTER) {
+ *counter_id = MLX5_GET(dealloc_flow_counter_in,
+ devx_obj->dinbox,
+ flow_counter_id);
+ return true;
+ }
+
+ return false;
+}
+
/*
* As the obj_id in the firmware is not globally unique the object type
* must be considered upon checking for a valid object id.
@@ -116,7 +134,7 @@ static u64 get_enc_obj_id(u16 opcode, u32 obj_id)
return ((u64)opcode << 32) | obj_id;
}
-static int devx_is_valid_obj_id(struct devx_obj *obj, const void *in)
+static u64 devx_get_obj_id(const void *in)
{
u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
u64 obj_id;
@@ -290,6 +308,8 @@ static int devx_is_valid_obj_id(struct devx_obj *obj, const void *in)
MLX5_GET(query_dct_in, in, dctn));
break;
case MLX5_CMD_OP_QUERY_XRQ:
+ case MLX5_CMD_OP_QUERY_XRQ_DC_PARAMS_ENTRY:
+ case MLX5_CMD_OP_QUERY_XRQ_ERROR_PARAMS:
obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_XRQ,
MLX5_GET(query_xrq_in, in, xrqn));
break;
@@ -316,17 +336,107 @@ static int devx_is_valid_obj_id(struct devx_obj *obj, const void *in)
MLX5_GET(drain_dct_in, in, dctn));
break;
case MLX5_CMD_OP_ARM_XRQ:
+ case MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY:
obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_XRQ,
MLX5_GET(arm_xrq_in, in, xrqn));
break;
+ case MLX5_CMD_OP_QUERY_PACKET_REFORMAT_CONTEXT:
+ obj_id = get_enc_obj_id
+ (MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT,
+ MLX5_GET(query_packet_reformat_context_in,
+ in, packet_reformat_id));
+ break;
default:
+ obj_id = 0;
+ }
+
+ return obj_id;
+}
+
+static bool devx_is_valid_obj_id(struct ib_uobject *uobj, const void *in)
+{
+ u64 obj_id = devx_get_obj_id(in);
+
+ if (!obj_id)
return false;
+
+ switch (uobj_get_object_id(uobj)) {
+ case UVERBS_OBJECT_CQ:
+ return get_enc_obj_id(MLX5_CMD_OP_CREATE_CQ,
+ to_mcq(uobj->object)->mcq.cqn) ==
+ obj_id;
+
+ case UVERBS_OBJECT_SRQ:
+ {
+ struct mlx5_core_srq *srq = &(to_msrq(uobj->object)->msrq);
+ struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
+ u16 opcode;
+
+ switch (srq->common.res) {
+ case MLX5_RES_XSRQ:
+ opcode = MLX5_CMD_OP_CREATE_XRC_SRQ;
+ break;
+ case MLX5_RES_XRQ:
+ opcode = MLX5_CMD_OP_CREATE_XRQ;
+ break;
+ default:
+ if (!dev->mdev->issi)
+ opcode = MLX5_CMD_OP_CREATE_SRQ;
+ else
+ opcode = MLX5_CMD_OP_CREATE_RMP;
+ }
+
+ return get_enc_obj_id(opcode,
+ to_msrq(uobj->object)->msrq.srqn) ==
+ obj_id;
}
- if (obj_id == obj->obj_id)
- return true;
+ case UVERBS_OBJECT_QP:
+ {
+ struct mlx5_ib_qp *qp = to_mqp(uobj->object);
+ enum ib_qp_type qp_type = qp->ibqp.qp_type;
+
+ if (qp_type == IB_QPT_RAW_PACKET ||
+ (qp->flags & MLX5_IB_QP_UNDERLAY)) {
+ struct mlx5_ib_raw_packet_qp *raw_packet_qp =
+ &qp->raw_packet_qp;
+ struct mlx5_ib_rq *rq = &raw_packet_qp->rq;
+ struct mlx5_ib_sq *sq = &raw_packet_qp->sq;
+
+ return (get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ,
+ rq->base.mqp.qpn) == obj_id ||
+ get_enc_obj_id(MLX5_CMD_OP_CREATE_SQ,
+ sq->base.mqp.qpn) == obj_id ||
+ get_enc_obj_id(MLX5_CMD_OP_CREATE_TIR,
+ rq->tirn) == obj_id ||
+ get_enc_obj_id(MLX5_CMD_OP_CREATE_TIS,
+ sq->tisn) == obj_id);
+ }
+
+ if (qp_type == MLX5_IB_QPT_DCT)
+ return get_enc_obj_id(MLX5_CMD_OP_CREATE_DCT,
+ qp->dct.mdct.mqp.qpn) == obj_id;
+
+ return get_enc_obj_id(MLX5_CMD_OP_CREATE_QP,
+ qp->ibqp.qp_num) == obj_id;
+ }
- return false;
+ case UVERBS_OBJECT_WQ:
+ return get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ,
+ to_mrwq(uobj->object)->core_qp.qpn) ==
+ obj_id;
+
+ case UVERBS_OBJECT_RWQ_IND_TBL:
+ return get_enc_obj_id(MLX5_CMD_OP_CREATE_RQT,
+ to_mrwq_ind_table(uobj->object)->rqtn) ==
+ obj_id;
+
+ case MLX5_IB_OBJECT_DEVX_OBJ:
+ return ((struct devx_obj *)uobj->object)->obj_id == obj_id;
+
+ default:
+ return false;
+ }
}
static void devx_set_umem_valid(const void *in)
@@ -494,6 +604,7 @@ static bool devx_is_obj_modify_cmd(const void *in)
case MLX5_CMD_OP_DRAIN_DCT:
case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION:
case MLX5_CMD_OP_ARM_XRQ:
+ case MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY:
return true;
case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY:
{
@@ -535,6 +646,9 @@ static bool devx_is_obj_query_cmd(const void *in)
case MLX5_CMD_OP_QUERY_XRC_SRQ:
case MLX5_CMD_OP_QUERY_DCT:
case MLX5_CMD_OP_QUERY_XRQ:
+ case MLX5_CMD_OP_QUERY_XRQ_DC_PARAMS_ENTRY:
+ case MLX5_CMD_OP_QUERY_XRQ_ERROR_PARAMS:
+ case MLX5_CMD_OP_QUERY_PACKET_REFORMAT_CONTEXT:
return true;
default:
return false;
@@ -572,15 +686,16 @@ static int devx_get_uid(struct mlx5_ib_ucontext *c, void *cmd_in)
if (!c->devx_uid)
return -EINVAL;
- if (!capable(CAP_NET_RAW))
- return -EPERM;
-
return c->devx_uid;
}
static bool devx_is_general_cmd(void *in)
{
u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
+ if (opcode >= MLX5_CMD_OP_GENERAL_START &&
+ opcode < MLX5_CMD_OP_GENERAL_END)
+ return true;
+
switch (opcode) {
case MLX5_CMD_OP_QUERY_HCA_CAP:
case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT:
@@ -603,7 +718,7 @@ static bool devx_is_general_cmd(void *in)
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_EQN)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
struct mlx5_ib_ucontext *c;
struct mlx5_ib_dev *dev;
@@ -616,7 +731,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_EQN)(
MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC))
return -EFAULT;
- c = devx_ufile2uctx(file);
+ c = devx_ufile2uctx(attrs);
if (IS_ERR(c))
return PTR_ERR(c);
dev = to_mdev(c->ibucontext.device);
@@ -653,14 +768,14 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_EQN)(
* queue or arm its CQ for event generation), no further harm is expected.
*/
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_UAR)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
struct mlx5_ib_ucontext *c;
struct mlx5_ib_dev *dev;
u32 user_idx;
s32 dev_idx;
- c = devx_ufile2uctx(file);
+ c = devx_ufile2uctx(attrs);
if (IS_ERR(c))
return PTR_ERR(c);
dev = to_mdev(c->ibucontext.device);
@@ -681,7 +796,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_UAR)(
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
struct mlx5_ib_ucontext *c;
struct mlx5_ib_dev *dev;
@@ -693,7 +808,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)(
int err;
int uid;
- c = devx_ufile2uctx(file);
+ c = devx_ufile2uctx(attrs);
if (IS_ERR(c))
return PTR_ERR(c);
dev = to_mdev(c->ibucontext.device);
@@ -740,6 +855,10 @@ static void devx_obj_build_destroy_cmd(void *in, void *out, void *din,
MLX5_SET(general_obj_in_cmd_hdr, din, obj_type, obj_type);
break;
+ case MLX5_CMD_OP_CREATE_UMEM:
+ MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
+ MLX5_CMD_OP_DESTROY_UMEM);
+ break;
case MLX5_CMD_OP_CREATE_MKEY:
MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_MKEY);
break;
@@ -908,7 +1027,7 @@ static int devx_obj_cleanup(struct ib_uobject *uobject,
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN);
int cmd_out_len = uverbs_attr_get_len(attrs,
@@ -970,7 +1089,7 @@ obj_free:
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN);
int cmd_out_len = uverbs_attr_get_len(attrs,
@@ -978,7 +1097,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs,
MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE);
struct mlx5_ib_ucontext *c = to_mucontext(uobj->context);
- struct devx_obj *obj = uobj->object;
+ struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
void *cmd_out;
int err;
int uid;
@@ -990,7 +1109,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
if (!devx_is_obj_modify_cmd(cmd_in))
return -EINVAL;
- if (!devx_is_valid_obj_id(obj, cmd_in))
+ if (!devx_is_valid_obj_id(uobj, cmd_in))
return -EINVAL;
cmd_out = uverbs_zalloc(attrs, cmd_out_len);
@@ -1000,7 +1119,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid);
devx_set_umem_valid(cmd_in);
- err = mlx5_cmd_exec(obj->mdev, cmd_in,
+ err = mlx5_cmd_exec(mdev->mdev, cmd_in,
uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN),
cmd_out, cmd_out_len);
if (err)
@@ -1011,7 +1130,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN);
int cmd_out_len = uverbs_attr_get_len(attrs,
@@ -1019,10 +1138,10 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs,
MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE);
struct mlx5_ib_ucontext *c = to_mucontext(uobj->context);
- struct devx_obj *obj = uobj->object;
void *cmd_out;
int err;
int uid;
+ struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
uid = devx_get_uid(c, cmd_in);
if (uid < 0)
@@ -1031,7 +1150,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
if (!devx_is_obj_query_cmd(cmd_in))
return -EINVAL;
- if (!devx_is_valid_obj_id(obj, cmd_in))
+ if (!devx_is_valid_obj_id(uobj, cmd_in))
return -EINVAL;
cmd_out = uverbs_zalloc(attrs, cmd_out_len);
@@ -1039,7 +1158,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
return PTR_ERR(cmd_out);
MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid);
- err = mlx5_cmd_exec(obj->mdev, cmd_in,
+ err = mlx5_cmd_exec(mdev->mdev, cmd_in,
uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN),
cmd_out, cmd_out_len);
if (err)
@@ -1115,8 +1234,7 @@ static void devx_umem_reg_cmd_build(struct mlx5_ib_dev *dev,
umem = MLX5_ADDR_OF(create_umem_in, cmd->in, umem);
mtt = (__be64 *)MLX5_ADDR_OF(umem, umem, mtt);
- MLX5_SET(general_obj_in_cmd_hdr, cmd->in, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
- MLX5_SET(general_obj_in_cmd_hdr, cmd->in, obj_type, MLX5_OBJ_TYPE_UMEM);
+ MLX5_SET(create_umem_in, cmd->in, opcode, MLX5_CMD_OP_CREATE_UMEM);
MLX5_SET64(umem, umem, num_of_mtt, obj->ncont);
MLX5_SET(umem, umem, log_page_size, obj->page_shift -
MLX5_ADAPTER_PAGE_SHIFT);
@@ -1127,7 +1245,7 @@ static void devx_umem_reg_cmd_build(struct mlx5_ib_dev *dev,
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
struct devx_umem_reg_cmd cmd;
struct devx_umem *obj;
@@ -1141,9 +1259,6 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)(
if (!c->devx_uid)
return -EINVAL;
- if (!capable(CAP_NET_RAW))
- return -EPERM;
-
obj = kzalloc(sizeof(struct devx_umem), GFP_KERNEL);
if (!obj)
return -ENOMEM;
@@ -1158,7 +1273,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)(
devx_umem_reg_cmd_build(dev, obj, &cmd);
- MLX5_SET(general_obj_in_cmd_hdr, cmd.in, uid, c->devx_uid);
+ MLX5_SET(create_umem_in, cmd.in, uid, c->devx_uid);
err = mlx5_cmd_exec(dev->mdev, cmd.in, cmd.inlen, cmd.out,
sizeof(cmd.out));
if (err)
@@ -1279,7 +1394,7 @@ DECLARE_UVERBS_NAMED_METHOD_DESTROY(
DECLARE_UVERBS_NAMED_METHOD(
MLX5_IB_METHOD_DEVX_OBJ_MODIFY,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE,
- MLX5_IB_OBJECT_DEVX_OBJ,
+ UVERBS_IDR_ANY_OBJECT,
UVERBS_ACCESS_WRITE,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(
@@ -1295,7 +1410,7 @@ DECLARE_UVERBS_NAMED_METHOD(
DECLARE_UVERBS_NAMED_METHOD(
MLX5_IB_METHOD_DEVX_OBJ_QUERY,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE,
- MLX5_IB_OBJECT_DEVX_OBJ,
+ UVERBS_IDR_ANY_OBJECT,
UVERBS_ACCESS_READ,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(
@@ -1325,12 +1440,22 @@ DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_DEVX_UMEM,
&UVERBS_METHOD(MLX5_IB_METHOD_DEVX_UMEM_REG),
&UVERBS_METHOD(MLX5_IB_METHOD_DEVX_UMEM_DEREG));
-DECLARE_UVERBS_OBJECT_TREE(devx_objects,
- &UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX),
- &UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX_OBJ),
- &UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX_UMEM));
-
-const struct uverbs_object_tree_def *mlx5_ib_get_devx_tree(void)
+static bool devx_is_supported(struct ib_device *device)
{
- return &devx_objects;
+ struct mlx5_ib_dev *dev = to_mdev(device);
+
+ return !dev->rep && MLX5_CAP_GEN(dev->mdev, log_max_uctx);
}
+
+const struct uapi_definition mlx5_ib_devx_defs[] = {
+ UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
+ MLX5_IB_OBJECT_DEVX,
+ UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)),
+ UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
+ MLX5_IB_OBJECT_DEVX_OBJ,
+ UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)),
+ UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
+ MLX5_IB_OBJECT_DEVX_UMEM,
+ UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)),
+ {},
+};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.