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- // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
- /*
- * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved.
- */
- #include <rdma/ib_user_verbs.h>
- #include <rdma/ib_verbs.h>
- #include <rdma/uverbs_types.h>
- #include <rdma/uverbs_ioctl.h>
- #include <rdma/mlx5_user_ioctl_cmds.h>
- #include <rdma/ib_umem.h>
- #include <linux/mlx5/driver.h>
- #include <linux/mlx5/fs.h>
- #include "mlx5_ib.h"
- #define UVERBS_MODULE_NAME mlx5_ib
- #include <rdma/uverbs_named_ioctl.h>
- #define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in)
- struct devx_obj {
- struct mlx5_core_dev *mdev;
- u32 obj_id;
- u32 dinlen; /* destroy inbox length */
- u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW];
- };
- struct devx_umem {
- struct mlx5_core_dev *mdev;
- struct ib_umem *umem;
- u32 page_offset;
- int page_shift;
- int ncont;
- u32 dinlen;
- u32 dinbox[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)];
- };
- struct devx_umem_reg_cmd {
- void *in;
- u32 inlen;
- u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
- };
- static struct mlx5_ib_ucontext *devx_ufile2uctx(struct ib_uverbs_file *file)
- {
- return to_mucontext(ib_uverbs_get_ucontext(file));
- }
- int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context)
- {
- 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;
- int err;
- 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))
- return -EINVAL;
- if (!capable(CAP_NET_RAW))
- return -EPERM;
- 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);
- err = mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out));
- if (err)
- return err;
- context->devx_uid = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
- return 0;
- }
- void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev,
- struct mlx5_ib_ucontext *context)
- {
- u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {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, context->devx_uid);
- mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out));
- }
- bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id, int *dest_type)
- {
- struct devx_obj *devx_obj = obj;
- u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, opcode);
- switch (opcode) {
- case MLX5_CMD_OP_DESTROY_TIR:
- *dest_type = MLX5_FLOW_DESTINATION_TYPE_TIR;
- *dest_id = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox,
- obj_id);
- return true;
- case MLX5_CMD_OP_DESTROY_FLOW_TABLE:
- *dest_type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
- *dest_id = MLX5_GET(destroy_flow_table_in, devx_obj->dinbox,
- table_id);
- return true;
- default:
- return false;
- }
- }
- static int devx_is_valid_obj_id(struct devx_obj *obj, const void *in)
- {
- u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
- u32 obj_id;
- switch (opcode) {
- case MLX5_CMD_OP_MODIFY_GENERAL_OBJECT:
- case MLX5_CMD_OP_QUERY_GENERAL_OBJECT:
- obj_id = MLX5_GET(general_obj_in_cmd_hdr, in, obj_id);
- break;
- case MLX5_CMD_OP_QUERY_MKEY:
- obj_id = MLX5_GET(query_mkey_in, in, mkey_index);
- break;
- case MLX5_CMD_OP_QUERY_CQ:
- obj_id = MLX5_GET(query_cq_in, in, cqn);
- break;
- case MLX5_CMD_OP_MODIFY_CQ:
- obj_id = MLX5_GET(modify_cq_in, in, cqn);
- break;
- case MLX5_CMD_OP_QUERY_SQ:
- obj_id = MLX5_GET(query_sq_in, in, sqn);
- break;
- case MLX5_CMD_OP_MODIFY_SQ:
- obj_id = MLX5_GET(modify_sq_in, in, sqn);
- break;
- case MLX5_CMD_OP_QUERY_RQ:
- obj_id = MLX5_GET(query_rq_in, in, rqn);
- break;
- case MLX5_CMD_OP_MODIFY_RQ:
- obj_id = MLX5_GET(modify_rq_in, in, rqn);
- break;
- case MLX5_CMD_OP_QUERY_RMP:
- obj_id = MLX5_GET(query_rmp_in, in, rmpn);
- break;
- case MLX5_CMD_OP_MODIFY_RMP:
- obj_id = MLX5_GET(modify_rmp_in, in, rmpn);
- break;
- case MLX5_CMD_OP_QUERY_RQT:
- obj_id = MLX5_GET(query_rqt_in, in, rqtn);
- break;
- case MLX5_CMD_OP_MODIFY_RQT:
- obj_id = MLX5_GET(modify_rqt_in, in, rqtn);
- break;
- case MLX5_CMD_OP_QUERY_TIR:
- obj_id = MLX5_GET(query_tir_in, in, tirn);
- break;
- case MLX5_CMD_OP_MODIFY_TIR:
- obj_id = MLX5_GET(modify_tir_in, in, tirn);
- break;
- case MLX5_CMD_OP_QUERY_TIS:
- obj_id = MLX5_GET(query_tis_in, in, tisn);
- break;
- case MLX5_CMD_OP_MODIFY_TIS:
- obj_id = MLX5_GET(modify_tis_in, in, tisn);
- break;
- case MLX5_CMD_OP_QUERY_FLOW_TABLE:
- obj_id = MLX5_GET(query_flow_table_in, in, table_id);
- break;
- case MLX5_CMD_OP_MODIFY_FLOW_TABLE:
- obj_id = MLX5_GET(modify_flow_table_in, in, table_id);
- break;
- case MLX5_CMD_OP_QUERY_FLOW_GROUP:
- obj_id = MLX5_GET(query_flow_group_in, in, group_id);
- break;
- case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY:
- obj_id = MLX5_GET(query_fte_in, in, flow_index);
- break;
- case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY:
- obj_id = MLX5_GET(set_fte_in, in, flow_index);
- break;
- case MLX5_CMD_OP_QUERY_Q_COUNTER:
- obj_id = MLX5_GET(query_q_counter_in, in, counter_set_id);
- break;
- case MLX5_CMD_OP_QUERY_FLOW_COUNTER:
- obj_id = MLX5_GET(query_flow_counter_in, in, flow_counter_id);
- break;
- case MLX5_CMD_OP_QUERY_MODIFY_HEADER_CONTEXT:
- obj_id = MLX5_GET(general_obj_in_cmd_hdr, in, obj_id);
- break;
- case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT:
- obj_id = MLX5_GET(query_scheduling_element_in, in,
- scheduling_element_id);
- break;
- case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT:
- obj_id = MLX5_GET(modify_scheduling_element_in, in,
- scheduling_element_id);
- break;
- case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT:
- obj_id = MLX5_GET(add_vxlan_udp_dport_in, in, vxlan_udp_port);
- break;
- case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY:
- obj_id = MLX5_GET(query_l2_table_entry_in, in, table_index);
- break;
- case MLX5_CMD_OP_SET_L2_TABLE_ENTRY:
- obj_id = MLX5_GET(set_l2_table_entry_in, in, table_index);
- break;
- case MLX5_CMD_OP_QUERY_QP:
- obj_id = MLX5_GET(query_qp_in, in, qpn);
- break;
- case MLX5_CMD_OP_RST2INIT_QP:
- obj_id = MLX5_GET(rst2init_qp_in, in, qpn);
- break;
- case MLX5_CMD_OP_INIT2RTR_QP:
- obj_id = MLX5_GET(init2rtr_qp_in, in, qpn);
- break;
- case MLX5_CMD_OP_RTR2RTS_QP:
- obj_id = MLX5_GET(rtr2rts_qp_in, in, qpn);
- break;
- case MLX5_CMD_OP_RTS2RTS_QP:
- obj_id = MLX5_GET(rts2rts_qp_in, in, qpn);
- break;
- case MLX5_CMD_OP_SQERR2RTS_QP:
- obj_id = MLX5_GET(sqerr2rts_qp_in, in, qpn);
- break;
- case MLX5_CMD_OP_2ERR_QP:
- obj_id = MLX5_GET(qp_2err_in, in, qpn);
- break;
- case MLX5_CMD_OP_2RST_QP:
- obj_id = MLX5_GET(qp_2rst_in, in, qpn);
- break;
- case MLX5_CMD_OP_QUERY_DCT:
- obj_id = MLX5_GET(query_dct_in, in, dctn);
- break;
- case MLX5_CMD_OP_QUERY_XRQ:
- obj_id = MLX5_GET(query_xrq_in, in, xrqn);
- break;
- case MLX5_CMD_OP_QUERY_XRC_SRQ:
- obj_id = MLX5_GET(query_xrc_srq_in, in, xrc_srqn);
- break;
- case MLX5_CMD_OP_ARM_XRC_SRQ:
- obj_id = MLX5_GET(arm_xrc_srq_in, in, xrc_srqn);
- break;
- case MLX5_CMD_OP_QUERY_SRQ:
- obj_id = MLX5_GET(query_srq_in, in, srqn);
- break;
- case MLX5_CMD_OP_ARM_RQ:
- obj_id = MLX5_GET(arm_rq_in, in, srq_number);
- break;
- case MLX5_CMD_OP_DRAIN_DCT:
- case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION:
- obj_id = MLX5_GET(drain_dct_in, in, dctn);
- break;
- case MLX5_CMD_OP_ARM_XRQ:
- obj_id = MLX5_GET(arm_xrq_in, in, xrqn);
- break;
- default:
- return false;
- }
- if (obj_id == obj->obj_id)
- return true;
- return false;
- }
- static bool devx_is_obj_create_cmd(const void *in)
- {
- u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
- switch (opcode) {
- case MLX5_CMD_OP_CREATE_GENERAL_OBJECT:
- case MLX5_CMD_OP_CREATE_MKEY:
- case MLX5_CMD_OP_CREATE_CQ:
- case MLX5_CMD_OP_ALLOC_PD:
- case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN:
- case MLX5_CMD_OP_CREATE_RMP:
- case MLX5_CMD_OP_CREATE_SQ:
- case MLX5_CMD_OP_CREATE_RQ:
- case MLX5_CMD_OP_CREATE_RQT:
- case MLX5_CMD_OP_CREATE_TIR:
- case MLX5_CMD_OP_CREATE_TIS:
- case MLX5_CMD_OP_ALLOC_Q_COUNTER:
- case MLX5_CMD_OP_CREATE_FLOW_TABLE:
- case MLX5_CMD_OP_CREATE_FLOW_GROUP:
- case MLX5_CMD_OP_ALLOC_FLOW_COUNTER:
- case MLX5_CMD_OP_ALLOC_ENCAP_HEADER:
- case MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT:
- case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT:
- case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT:
- case MLX5_CMD_OP_SET_L2_TABLE_ENTRY:
- case MLX5_CMD_OP_CREATE_QP:
- case MLX5_CMD_OP_CREATE_SRQ:
- case MLX5_CMD_OP_CREATE_XRC_SRQ:
- case MLX5_CMD_OP_CREATE_DCT:
- case MLX5_CMD_OP_CREATE_XRQ:
- case MLX5_CMD_OP_ATTACH_TO_MCG:
- case MLX5_CMD_OP_ALLOC_XRCD:
- return true;
- case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY:
- {
- u16 op_mod = MLX5_GET(set_fte_in, in, op_mod);
- if (op_mod == 0)
- return true;
- return false;
- }
- default:
- return false;
- }
- }
- static bool devx_is_obj_modify_cmd(const void *in)
- {
- u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
- switch (opcode) {
- case MLX5_CMD_OP_MODIFY_GENERAL_OBJECT:
- case MLX5_CMD_OP_MODIFY_CQ:
- case MLX5_CMD_OP_MODIFY_RMP:
- case MLX5_CMD_OP_MODIFY_SQ:
- case MLX5_CMD_OP_MODIFY_RQ:
- case MLX5_CMD_OP_MODIFY_RQT:
- case MLX5_CMD_OP_MODIFY_TIR:
- case MLX5_CMD_OP_MODIFY_TIS:
- case MLX5_CMD_OP_MODIFY_FLOW_TABLE:
- case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT:
- case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT:
- case MLX5_CMD_OP_SET_L2_TABLE_ENTRY:
- case MLX5_CMD_OP_RST2INIT_QP:
- case MLX5_CMD_OP_INIT2RTR_QP:
- case MLX5_CMD_OP_INIT2INIT_QP:
- case MLX5_CMD_OP_RTR2RTS_QP:
- case MLX5_CMD_OP_RTS2RTS_QP:
- case MLX5_CMD_OP_SQERR2RTS_QP:
- case MLX5_CMD_OP_2ERR_QP:
- case MLX5_CMD_OP_2RST_QP:
- case MLX5_CMD_OP_ARM_XRC_SRQ:
- case MLX5_CMD_OP_ARM_RQ:
- case MLX5_CMD_OP_DRAIN_DCT:
- case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION:
- case MLX5_CMD_OP_ARM_XRQ:
- return true;
- case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY:
- {
- u16 op_mod = MLX5_GET(set_fte_in, in, op_mod);
- if (op_mod == 1)
- return true;
- return false;
- }
- default:
- return false;
- }
- }
- static bool devx_is_obj_query_cmd(const void *in)
- {
- u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
- switch (opcode) {
- case MLX5_CMD_OP_QUERY_GENERAL_OBJECT:
- case MLX5_CMD_OP_QUERY_MKEY:
- case MLX5_CMD_OP_QUERY_CQ:
- case MLX5_CMD_OP_QUERY_RMP:
- case MLX5_CMD_OP_QUERY_SQ:
- case MLX5_CMD_OP_QUERY_RQ:
- case MLX5_CMD_OP_QUERY_RQT:
- case MLX5_CMD_OP_QUERY_TIR:
- case MLX5_CMD_OP_QUERY_TIS:
- case MLX5_CMD_OP_QUERY_Q_COUNTER:
- case MLX5_CMD_OP_QUERY_FLOW_TABLE:
- case MLX5_CMD_OP_QUERY_FLOW_GROUP:
- case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY:
- case MLX5_CMD_OP_QUERY_FLOW_COUNTER:
- case MLX5_CMD_OP_QUERY_MODIFY_HEADER_CONTEXT:
- case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT:
- case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY:
- case MLX5_CMD_OP_QUERY_QP:
- case MLX5_CMD_OP_QUERY_SRQ:
- case MLX5_CMD_OP_QUERY_XRC_SRQ:
- case MLX5_CMD_OP_QUERY_DCT:
- case MLX5_CMD_OP_QUERY_XRQ:
- return true;
- default:
- return false;
- }
- }
- static bool devx_is_general_cmd(void *in)
- {
- u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
- switch (opcode) {
- case MLX5_CMD_OP_QUERY_HCA_CAP:
- case MLX5_CMD_OP_QUERY_VPORT_STATE:
- case MLX5_CMD_OP_QUERY_ADAPTER:
- case MLX5_CMD_OP_QUERY_ISSI:
- case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT:
- case MLX5_CMD_OP_QUERY_ROCE_ADDRESS:
- case MLX5_CMD_OP_QUERY_VNIC_ENV:
- case MLX5_CMD_OP_QUERY_VPORT_COUNTER:
- case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG:
- case MLX5_CMD_OP_NOP:
- case MLX5_CMD_OP_QUERY_CONG_STATUS:
- case MLX5_CMD_OP_QUERY_CONG_PARAMS:
- case MLX5_CMD_OP_QUERY_CONG_STATISTICS:
- return true;
- default:
- return false;
- }
- }
- static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_EQN)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
- {
- struct mlx5_ib_ucontext *c;
- struct mlx5_ib_dev *dev;
- int user_vector;
- int dev_eqn;
- unsigned int irqn;
- int err;
- if (uverbs_copy_from(&user_vector, attrs,
- MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC))
- return -EFAULT;
- c = devx_ufile2uctx(file);
- if (IS_ERR(c))
- return PTR_ERR(c);
- dev = to_mdev(c->ibucontext.device);
- err = mlx5_vector2eqn(dev->mdev, user_vector, &dev_eqn, &irqn);
- if (err < 0)
- return err;
- if (uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_QUERY_EQN_DEV_EQN,
- &dev_eqn, sizeof(dev_eqn)))
- return -EFAULT;
- return 0;
- }
- /*
- *Security note:
- * The hardware protection mechanism works like this: Each device object that
- * is subject to UAR doorbells (QP/SQ/CQ) gets a UAR ID (called uar_page in
- * the device specification manual) upon its creation. Then upon doorbell,
- * hardware fetches the object context for which the doorbell was rang, and
- * validates that the UAR through which the DB was rang matches the UAR ID
- * of the object.
- * If no match the doorbell is silently ignored by the hardware. Of course,
- * the user cannot ring a doorbell on a UAR that was not mapped to it.
- * Now in devx, as the devx kernel does not manipulate the QP/SQ/CQ command
- * mailboxes (except tagging them with UID), we expose to the user its UAR
- * ID, so it can embed it in these objects in the expected specification
- * format. So the only thing the user can do is hurt itself by creating a
- * QP/SQ/CQ with a UAR ID other than his, and then in this case other users
- * may ring a doorbell on its objects.
- * The consequence of that will be that another user can schedule a QP/SQ
- * of the buggy user for execution (just insert it to the hardware schedule
- * 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 mlx5_ib_ucontext *c;
- struct mlx5_ib_dev *dev;
- u32 user_idx;
- s32 dev_idx;
- c = devx_ufile2uctx(file);
- if (IS_ERR(c))
- return PTR_ERR(c);
- dev = to_mdev(c->ibucontext.device);
- if (uverbs_copy_from(&user_idx, attrs,
- MLX5_IB_ATTR_DEVX_QUERY_UAR_USER_IDX))
- return -EFAULT;
- dev_idx = bfregn_to_uar_index(dev, &c->bfregi, user_idx, true);
- if (dev_idx < 0)
- return dev_idx;
- if (uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_QUERY_UAR_DEV_IDX,
- &dev_idx, sizeof(dev_idx)))
- return -EFAULT;
- return 0;
- }
- static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
- {
- struct mlx5_ib_ucontext *c;
- struct mlx5_ib_dev *dev;
- void *cmd_in = uverbs_attr_get_alloced_ptr(
- attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN);
- int cmd_out_len = uverbs_attr_get_len(attrs,
- MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT);
- void *cmd_out;
- int err;
- c = devx_ufile2uctx(file);
- if (IS_ERR(c))
- return PTR_ERR(c);
- dev = to_mdev(c->ibucontext.device);
- if (!c->devx_uid)
- return -EPERM;
- /* Only white list of some general HCA commands are allowed for this method. */
- if (!devx_is_general_cmd(cmd_in))
- return -EINVAL;
- cmd_out = uverbs_zalloc(attrs, cmd_out_len);
- if (IS_ERR(cmd_out))
- return PTR_ERR(cmd_out);
- MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid);
- err = mlx5_cmd_exec(dev->mdev, cmd_in,
- uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN),
- cmd_out, cmd_out_len);
- if (err)
- return err;
- return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT, cmd_out,
- cmd_out_len);
- }
- static void devx_obj_build_destroy_cmd(void *in, void *out, void *din,
- u32 *dinlen,
- u32 *obj_id)
- {
- u16 obj_type = MLX5_GET(general_obj_in_cmd_hdr, in, obj_type);
- u16 uid = MLX5_GET(general_obj_in_cmd_hdr, in, uid);
- *obj_id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
- *dinlen = MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr);
- MLX5_SET(general_obj_in_cmd_hdr, din, obj_id, *obj_id);
- MLX5_SET(general_obj_in_cmd_hdr, din, uid, uid);
- switch (MLX5_GET(general_obj_in_cmd_hdr, in, opcode)) {
- case MLX5_CMD_OP_CREATE_GENERAL_OBJECT:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_GENERAL_OBJECT);
- MLX5_SET(general_obj_in_cmd_hdr, din, obj_type, obj_type);
- break;
- case MLX5_CMD_OP_CREATE_MKEY:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_MKEY);
- break;
- case MLX5_CMD_OP_CREATE_CQ:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_CQ);
- break;
- case MLX5_CMD_OP_ALLOC_PD:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_PD);
- break;
- case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
- break;
- case MLX5_CMD_OP_CREATE_RMP:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RMP);
- break;
- case MLX5_CMD_OP_CREATE_SQ:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_SQ);
- break;
- case MLX5_CMD_OP_CREATE_RQ:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RQ);
- break;
- case MLX5_CMD_OP_CREATE_RQT:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RQT);
- break;
- case MLX5_CMD_OP_CREATE_TIR:
- *obj_id = MLX5_GET(create_tir_out, out, tirn);
- MLX5_SET(destroy_tir_in, din, opcode, MLX5_CMD_OP_DESTROY_TIR);
- MLX5_SET(destroy_tir_in, din, tirn, *obj_id);
- break;
- case MLX5_CMD_OP_CREATE_TIS:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_TIS);
- break;
- case MLX5_CMD_OP_ALLOC_Q_COUNTER:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DEALLOC_Q_COUNTER);
- break;
- case MLX5_CMD_OP_CREATE_FLOW_TABLE:
- *dinlen = MLX5_ST_SZ_BYTES(destroy_flow_table_in);
- *obj_id = MLX5_GET(create_flow_table_out, out, table_id);
- MLX5_SET(destroy_flow_table_in, din, other_vport,
- MLX5_GET(create_flow_table_in, in, other_vport));
- MLX5_SET(destroy_flow_table_in, din, vport_number,
- MLX5_GET(create_flow_table_in, in, vport_number));
- MLX5_SET(destroy_flow_table_in, din, table_type,
- MLX5_GET(create_flow_table_in, in, table_type));
- MLX5_SET(destroy_flow_table_in, din, table_id, *obj_id);
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DESTROY_FLOW_TABLE);
- break;
- case MLX5_CMD_OP_CREATE_FLOW_GROUP:
- *dinlen = MLX5_ST_SZ_BYTES(destroy_flow_group_in);
- *obj_id = MLX5_GET(create_flow_group_out, out, group_id);
- MLX5_SET(destroy_flow_group_in, din, other_vport,
- MLX5_GET(create_flow_group_in, in, other_vport));
- MLX5_SET(destroy_flow_group_in, din, vport_number,
- MLX5_GET(create_flow_group_in, in, vport_number));
- MLX5_SET(destroy_flow_group_in, din, table_type,
- MLX5_GET(create_flow_group_in, in, table_type));
- MLX5_SET(destroy_flow_group_in, din, table_id,
- MLX5_GET(create_flow_group_in, in, table_id));
- MLX5_SET(destroy_flow_group_in, din, group_id, *obj_id);
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DESTROY_FLOW_GROUP);
- break;
- case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY:
- *dinlen = MLX5_ST_SZ_BYTES(delete_fte_in);
- *obj_id = MLX5_GET(set_fte_in, in, flow_index);
- MLX5_SET(delete_fte_in, din, other_vport,
- MLX5_GET(set_fte_in, in, other_vport));
- MLX5_SET(delete_fte_in, din, vport_number,
- MLX5_GET(set_fte_in, in, vport_number));
- MLX5_SET(delete_fte_in, din, table_type,
- MLX5_GET(set_fte_in, in, table_type));
- MLX5_SET(delete_fte_in, din, table_id,
- MLX5_GET(set_fte_in, in, table_id));
- MLX5_SET(delete_fte_in, din, flow_index, *obj_id);
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
- break;
- case MLX5_CMD_OP_ALLOC_FLOW_COUNTER:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
- break;
- case MLX5_CMD_OP_ALLOC_ENCAP_HEADER:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DEALLOC_ENCAP_HEADER);
- break;
- case MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
- break;
- case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT:
- *dinlen = MLX5_ST_SZ_BYTES(destroy_scheduling_element_in);
- *obj_id = MLX5_GET(create_scheduling_element_out, out,
- scheduling_element_id);
- MLX5_SET(destroy_scheduling_element_in, din,
- scheduling_hierarchy,
- MLX5_GET(create_scheduling_element_in, in,
- scheduling_hierarchy));
- MLX5_SET(destroy_scheduling_element_in, din,
- scheduling_element_id, *obj_id);
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DESTROY_SCHEDULING_ELEMENT);
- break;
- case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT:
- *dinlen = MLX5_ST_SZ_BYTES(delete_vxlan_udp_dport_in);
- *obj_id = MLX5_GET(add_vxlan_udp_dport_in, in, vxlan_udp_port);
- MLX5_SET(delete_vxlan_udp_dport_in, din, vxlan_udp_port, *obj_id);
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT);
- break;
- case MLX5_CMD_OP_SET_L2_TABLE_ENTRY:
- *dinlen = MLX5_ST_SZ_BYTES(delete_l2_table_entry_in);
- *obj_id = MLX5_GET(set_l2_table_entry_in, in, table_index);
- MLX5_SET(delete_l2_table_entry_in, din, table_index, *obj_id);
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY);
- break;
- case MLX5_CMD_OP_CREATE_QP:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_QP);
- break;
- case MLX5_CMD_OP_CREATE_SRQ:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_SRQ);
- break;
- case MLX5_CMD_OP_CREATE_XRC_SRQ:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode,
- MLX5_CMD_OP_DESTROY_XRC_SRQ);
- break;
- case MLX5_CMD_OP_CREATE_DCT:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_DCT);
- break;
- case MLX5_CMD_OP_CREATE_XRQ:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_XRQ);
- break;
- case MLX5_CMD_OP_ATTACH_TO_MCG:
- *dinlen = MLX5_ST_SZ_BYTES(detach_from_mcg_in);
- MLX5_SET(detach_from_mcg_in, din, qpn,
- MLX5_GET(attach_to_mcg_in, in, qpn));
- memcpy(MLX5_ADDR_OF(detach_from_mcg_in, din, multicast_gid),
- MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid),
- MLX5_FLD_SZ_BYTES(attach_to_mcg_in, multicast_gid));
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
- break;
- case MLX5_CMD_OP_ALLOC_XRCD:
- MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
- break;
- default:
- /* The entry must match to one of the devx_is_obj_create_cmd */
- WARN_ON(true);
- break;
- }
- }
- static int devx_obj_cleanup(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
- {
- u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
- struct devx_obj *obj = uobject->object;
- int ret;
- ret = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out));
- if (ib_is_destroy_retryable(ret, why, uobject))
- return ret;
- kfree(obj);
- return ret;
- }
- static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
- struct ib_uverbs_file *file, 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,
- MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT);
- void *cmd_out;
- struct ib_uobject *uobj = uverbs_attr_get_uobject(
- attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE);
- struct mlx5_ib_ucontext *c = to_mucontext(uobj->context);
- struct mlx5_ib_dev *dev = to_mdev(c->ibucontext.device);
- u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
- struct devx_obj *obj;
- int err;
- if (!c->devx_uid)
- return -EPERM;
- if (!devx_is_obj_create_cmd(cmd_in))
- return -EINVAL;
- cmd_out = uverbs_zalloc(attrs, cmd_out_len);
- if (IS_ERR(cmd_out))
- return PTR_ERR(cmd_out);
- obj = kzalloc(sizeof(struct devx_obj), GFP_KERNEL);
- if (!obj)
- return -ENOMEM;
- MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid);
- err = mlx5_cmd_exec(dev->mdev, cmd_in,
- uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN),
- cmd_out, cmd_out_len);
- if (err)
- goto obj_free;
- uobj->object = obj;
- obj->mdev = dev->mdev;
- devx_obj_build_destroy_cmd(cmd_in, cmd_out, obj->dinbox, &obj->dinlen, &obj->obj_id);
- WARN_ON(obj->dinlen > MLX5_MAX_DESTROY_INBOX_SIZE_DW * sizeof(u32));
- err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT, cmd_out, cmd_out_len);
- if (err)
- goto obj_destroy;
- return 0;
- obj_destroy:
- mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out));
- obj_free:
- kfree(obj);
- return err;
- }
- static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
- struct ib_uverbs_file *file, 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,
- MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT);
- 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;
- void *cmd_out;
- int err;
- if (!c->devx_uid)
- return -EPERM;
- if (!devx_is_obj_modify_cmd(cmd_in))
- return -EINVAL;
- if (!devx_is_valid_obj_id(obj, cmd_in))
- return -EINVAL;
- cmd_out = uverbs_zalloc(attrs, cmd_out_len);
- if (IS_ERR(cmd_out))
- return PTR_ERR(cmd_out);
- MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid);
- err = mlx5_cmd_exec(obj->mdev, cmd_in,
- uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN),
- cmd_out, cmd_out_len);
- if (err)
- return err;
- return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT,
- cmd_out, cmd_out_len);
- }
- static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
- struct ib_uverbs_file *file, 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,
- MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT);
- 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;
- if (!c->devx_uid)
- return -EPERM;
- if (!devx_is_obj_query_cmd(cmd_in))
- return -EINVAL;
- if (!devx_is_valid_obj_id(obj, cmd_in))
- return -EINVAL;
- cmd_out = uverbs_zalloc(attrs, cmd_out_len);
- if (IS_ERR(cmd_out))
- return PTR_ERR(cmd_out);
- MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid);
- err = mlx5_cmd_exec(obj->mdev, cmd_in,
- uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN),
- cmd_out, cmd_out_len);
- if (err)
- return err;
- return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT,
- cmd_out, cmd_out_len);
- }
- static int devx_umem_get(struct mlx5_ib_dev *dev, struct ib_ucontext *ucontext,
- struct uverbs_attr_bundle *attrs,
- struct devx_umem *obj)
- {
- u64 addr;
- size_t size;
- u32 access;
- int npages;
- int err;
- u32 page_mask;
- if (uverbs_copy_from(&addr, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR) ||
- uverbs_copy_from(&size, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_LEN))
- return -EFAULT;
- err = uverbs_get_flags32(&access, attrs,
- MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS,
- IB_ACCESS_LOCAL_WRITE |
- IB_ACCESS_REMOTE_WRITE |
- IB_ACCESS_REMOTE_READ);
- if (err)
- return err;
- err = ib_check_mr_access(access);
- if (err)
- return err;
- obj->umem = ib_umem_get(ucontext, addr, size, access, 0);
- if (IS_ERR(obj->umem))
- return PTR_ERR(obj->umem);
- mlx5_ib_cont_pages(obj->umem, obj->umem->address,
- MLX5_MKEY_PAGE_SHIFT_MASK, &npages,
- &obj->page_shift, &obj->ncont, NULL);
- if (!npages) {
- ib_umem_release(obj->umem);
- return -EINVAL;
- }
- page_mask = (1 << obj->page_shift) - 1;
- obj->page_offset = obj->umem->address & page_mask;
- return 0;
- }
- static int devx_umem_reg_cmd_alloc(struct uverbs_attr_bundle *attrs,
- struct devx_umem *obj,
- struct devx_umem_reg_cmd *cmd)
- {
- cmd->inlen = MLX5_ST_SZ_BYTES(create_umem_in) +
- (MLX5_ST_SZ_BYTES(mtt) * obj->ncont);
- cmd->in = uverbs_zalloc(attrs, cmd->inlen);
- return PTR_ERR_OR_ZERO(cmd->in);
- }
- static void devx_umem_reg_cmd_build(struct mlx5_ib_dev *dev,
- struct devx_umem *obj,
- struct devx_umem_reg_cmd *cmd)
- {
- void *umem;
- __be64 *mtt;
- 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_SET64(umem, umem, num_of_mtt, obj->ncont);
- MLX5_SET(umem, umem, log_page_size, obj->page_shift -
- MLX5_ADAPTER_PAGE_SHIFT);
- MLX5_SET(umem, umem, page_offset, obj->page_offset);
- mlx5_ib_populate_pas(dev, obj->umem, obj->page_shift, mtt,
- (obj->umem->writable ? MLX5_IB_MTT_WRITE : 0) |
- MLX5_IB_MTT_READ);
- }
- static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)(
- struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs)
- {
- struct devx_umem_reg_cmd cmd;
- struct devx_umem *obj;
- struct ib_uobject *uobj = uverbs_attr_get_uobject(
- attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE);
- u32 obj_id;
- struct mlx5_ib_ucontext *c = to_mucontext(uobj->context);
- struct mlx5_ib_dev *dev = to_mdev(c->ibucontext.device);
- int err;
- if (!c->devx_uid)
- return -EPERM;
- obj = kzalloc(sizeof(struct devx_umem), GFP_KERNEL);
- if (!obj)
- return -ENOMEM;
- err = devx_umem_get(dev, &c->ibucontext, attrs, obj);
- if (err)
- goto err_obj_free;
- err = devx_umem_reg_cmd_alloc(attrs, obj, &cmd);
- if (err)
- goto err_umem_release;
- devx_umem_reg_cmd_build(dev, obj, &cmd);
- MLX5_SET(general_obj_in_cmd_hdr, cmd.in, uid, c->devx_uid);
- err = mlx5_cmd_exec(dev->mdev, cmd.in, cmd.inlen, cmd.out,
- sizeof(cmd.out));
- if (err)
- goto err_umem_release;
- obj->mdev = dev->mdev;
- uobj->object = obj;
- devx_obj_build_destroy_cmd(cmd.in, cmd.out, obj->dinbox, &obj->dinlen, &obj_id);
- err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, &obj_id, sizeof(obj_id));
- if (err)
- goto err_umem_destroy;
- return 0;
- err_umem_destroy:
- mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, cmd.out, sizeof(cmd.out));
- err_umem_release:
- ib_umem_release(obj->umem);
- err_obj_free:
- kfree(obj);
- return err;
- }
- static int devx_umem_cleanup(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
- {
- struct devx_umem *obj = uobject->object;
- u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
- int err;
- err = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out));
- if (ib_is_destroy_retryable(err, why, uobject))
- return err;
- ib_umem_release(obj->umem);
- kfree(obj);
- return 0;
- }
- DECLARE_UVERBS_NAMED_METHOD(
- MLX5_IB_METHOD_DEVX_UMEM_REG,
- UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE,
- MLX5_IB_OBJECT_DEVX_UMEM,
- UVERBS_ACCESS_NEW,
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR,
- UVERBS_ATTR_TYPE(u64),
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_LEN,
- UVERBS_ATTR_TYPE(u64),
- UA_MANDATORY),
- UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS,
- enum ib_access_flags),
- UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID,
- UVERBS_ATTR_TYPE(u32),
- UA_MANDATORY));
- DECLARE_UVERBS_NAMED_METHOD_DESTROY(
- MLX5_IB_METHOD_DEVX_UMEM_DEREG,
- UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_UMEM_DEREG_HANDLE,
- MLX5_IB_OBJECT_DEVX_UMEM,
- UVERBS_ACCESS_DESTROY,
- UA_MANDATORY));
- DECLARE_UVERBS_NAMED_METHOD(
- MLX5_IB_METHOD_DEVX_QUERY_EQN,
- UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC,
- UVERBS_ATTR_TYPE(u32),
- UA_MANDATORY),
- UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_QUERY_EQN_DEV_EQN,
- UVERBS_ATTR_TYPE(u32),
- UA_MANDATORY));
- DECLARE_UVERBS_NAMED_METHOD(
- MLX5_IB_METHOD_DEVX_QUERY_UAR,
- UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_QUERY_UAR_USER_IDX,
- UVERBS_ATTR_TYPE(u32),
- UA_MANDATORY),
- UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_QUERY_UAR_DEV_IDX,
- UVERBS_ATTR_TYPE(u32),
- UA_MANDATORY));
- DECLARE_UVERBS_NAMED_METHOD(
- MLX5_IB_METHOD_DEVX_OTHER,
- UVERBS_ATTR_PTR_IN(
- MLX5_IB_ATTR_DEVX_OTHER_CMD_IN,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)),
- UA_MANDATORY,
- UA_ALLOC_AND_COPY),
- UVERBS_ATTR_PTR_OUT(
- MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)),
- UA_MANDATORY));
- DECLARE_UVERBS_NAMED_METHOD(
- MLX5_IB_METHOD_DEVX_OBJ_CREATE,
- UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE,
- MLX5_IB_OBJECT_DEVX_OBJ,
- UVERBS_ACCESS_NEW,
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(
- MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)),
- UA_MANDATORY,
- UA_ALLOC_AND_COPY),
- UVERBS_ATTR_PTR_OUT(
- MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)),
- UA_MANDATORY));
- DECLARE_UVERBS_NAMED_METHOD_DESTROY(
- MLX5_IB_METHOD_DEVX_OBJ_DESTROY,
- UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_DESTROY_HANDLE,
- MLX5_IB_OBJECT_DEVX_OBJ,
- UVERBS_ACCESS_DESTROY,
- UA_MANDATORY));
- 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_ACCESS_WRITE,
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(
- MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)),
- UA_MANDATORY,
- UA_ALLOC_AND_COPY),
- UVERBS_ATTR_PTR_OUT(
- MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)),
- UA_MANDATORY));
- 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_ACCESS_READ,
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(
- MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)),
- UA_MANDATORY,
- UA_ALLOC_AND_COPY),
- UVERBS_ATTR_PTR_OUT(
- MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT,
- UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)),
- UA_MANDATORY));
- DECLARE_UVERBS_GLOBAL_METHODS(MLX5_IB_OBJECT_DEVX,
- &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OTHER),
- &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_QUERY_UAR),
- &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_QUERY_EQN));
- DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_DEVX_OBJ,
- UVERBS_TYPE_ALLOC_IDR(devx_obj_cleanup),
- &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_CREATE),
- &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_DESTROY),
- &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_MODIFY),
- &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_QUERY));
- DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_DEVX_UMEM,
- UVERBS_TYPE_ALLOC_IDR(devx_umem_cleanup),
- &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)
- {
- return &devx_objects;
- }
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