On Sun, Jul 6, 2025 at 12:27 AM Pravin Pathak <pravin.pat...@intel.com> wrote:
>
> This feature enables restarting a stopped eventdev with a call
> to rte_event_dev_start(). For this, the DLB scheduling domain needs
> to be stopped, all DLB ports disabled during eventdev stop and
> re-enabled during start. Port configuration is preserved.
>
> Signed-off-by: Pravin Pathak <pravin.pat...@intel.com>
Please fix
Contributor name/email mismatch with .mailmap:
Pravin Pathak <pravin.pat...@intel.com> is not the primary email address
> Signed-off-by: Tirthendu Sarkar <tirthendu.sar...@intel.com>
> ---
> drivers/event/dlb2/dlb2.c | 72 ++-
> drivers/event/dlb2/dlb2_iface.c | 6 +-
> drivers/event/dlb2/dlb2_iface.h | 7 +-
> drivers/event/dlb2/dlb2_user.h | 16 +
> drivers/event/dlb2/pf/base/dlb2_resource.c | 583 +++++++++++++++++++--
> drivers/event/dlb2/pf/base/dlb2_resource.h | 150 ++++++
> drivers/event/dlb2/pf/dlb2_main.c | 10 +
> drivers/event/dlb2/pf/dlb2_main.h | 4 +
> drivers/event/dlb2/pf/dlb2_pf.c | 69 ++-
> 9 files changed, 857 insertions(+), 60 deletions(-)
>
> diff --git a/drivers/event/dlb2/dlb2.c b/drivers/event/dlb2/dlb2.c
> index 084875f1c8..7827d697cf 100644
> --- a/drivers/event/dlb2/dlb2.c
> +++ b/drivers/event/dlb2/dlb2.c
> @@ -1025,18 +1025,28 @@ dlb2_hw_create_sched_domain(struct dlb2_eventdev
> *dlb2,
> return ret;
> }
>
> -static void
> +static int
> dlb2_hw_reset_sched_domain(const struct rte_eventdev *dev, bool reconfig)
> {
> struct dlb2_eventdev *dlb2 = dlb2_pmd_priv(dev);
> enum dlb2_configuration_state config_state;
> - int i, j;
> + int i, j, ret;
>
> - dlb2_iface_domain_reset(dlb2);
> + ret = dlb2_iface_domain_reset(dlb2);
> + if (ret) {
> + DLB2_LOG_ERR("dlb2_hw_reset_domain err %d", ret);
> + return ret;
> + }
>
> /* Free all dynamically allocated port memory */
> - for (i = 0; i < dlb2->num_ports; i++)
> + for (i = 0; i < dlb2->num_ports; i++) {
> dlb2_free_qe_mem(&dlb2->ev_ports[i].qm_port);
> + if (!reconfig) {
> + dlb2->ev_ports[i].qm_port.enable_inflight_ctrl = 0;
> + dlb2->ev_ports[i].qm_port.token_pop_mode = 0;
> + dlb2->ev_ports[i].qm_port.hist_list = 0;
> + }
> + }
>
> /* If reconfiguring, mark the device's queues and ports as "previously
> * configured." If the user doesn't reconfigure them, the PMD will
> @@ -1075,6 +1085,8 @@ dlb2_hw_reset_sched_domain(const struct rte_eventdev
> *dev, bool reconfig)
> dlb2->max_dir_credits = 0;
> }
> dlb2->configured = false;
> +
> + return 0;
> }
>
> /* Note: 1 QM instance per QM device, QM instance/device == event device */
> @@ -1092,7 +1104,9 @@ dlb2_eventdev_configure(const struct rte_eventdev *dev)
> * scheduling domain before attempting to configure a new one.
> */
> if (dlb2->configured) {
> - dlb2_hw_reset_sched_domain(dev, true);
> + ret = dlb2_hw_reset_sched_domain(dev, true);
> + if (ret)
> + return ret;
> ret = dlb2_hw_query_resources(dlb2);
> if (ret) {
> DLB2_LOG_ERR("get resources err=%d, devid=%d",
> @@ -2818,6 +2832,27 @@ dlb2_eventdev_apply_port_links(struct rte_eventdev
> *dev)
> return 0;
> }
>
> +static int
> +dlb2_set_port_ctrl(struct dlb2_eventdev_port *ev_port, bool enable)
> +{
> + const char *err_str = enable ? "enabled" : "disabled";
> +
> + if (!ev_port->setup_done)
> + return 0;
> +
> + if (!(ev_port->enq_configured ^ enable)) {
> + DLB2_LOG_INFO("dlb2: ev_port %d already %s", ev_port->id,
> err_str);
> + return 0;
> + }
> + if (dlb2_iface_port_ctrl(&ev_port->qm_port, enable)) {
> + DLB2_LOG_ERR("dlb2: ev_port %d could not be %s", ev_port->id,
> err_str);
> + return -EFAULT;
> + }
> + ev_port->enq_configured = enable;
> +
> + return 0;
> +}
> +
> static int
> dlb2_eventdev_start(struct rte_eventdev *dev)
> {
> @@ -2849,10 +2884,14 @@ dlb2_eventdev_start(struct rte_eventdev *dev)
> return ret;
>
> for (i = 0; i < dlb2->num_ports; i++) {
> - if (!dlb2->ev_ports[i].setup_done) {
> + struct dlb2_eventdev_port *ev_port = &dlb2->ev_ports[i];
> +
> + if (!ev_port->setup_done && ev_port->qm_port.config_state !=
> DLB2_NOT_CONFIGURED) {
> DLB2_LOG_ERR("dlb2: port %d not setup", i);
> return -ESTALE;
> }
> + if (dlb2_set_port_ctrl(ev_port, true))
> + return -EFAULT;
> }
>
> for (i = 0; i < dlb2->num_queues; i++) {
> @@ -4816,9 +4855,11 @@ static void
> dlb2_drain(struct rte_eventdev *dev)
> {
> struct dlb2_eventdev *dlb2 = dlb2_pmd_priv(dev);
> + struct dlb2_hw_dev *handle = &dlb2->qm_instance;
> struct dlb2_eventdev_port *ev_port = NULL;
> + struct dlb2_stop_domain_args cfg;
> uint8_t dev_id;
> - int i;
> + int i, ret;
>
> dev_id = dev->data->dev_id;
>
> @@ -4836,7 +4877,7 @@ dlb2_drain(struct rte_eventdev *dev)
>
> /* If the domain's queues are empty, we're done. */
> if (dlb2_queues_empty(dlb2))
> - return;
> + goto domain_cleanup;
>
> /* Else, there must be at least one unlinked load-balanced queue.
> * Select a load-balanced port with which to drain the unlinked
> @@ -4896,6 +4937,17 @@ dlb2_drain(struct rte_eventdev *dev)
> return;
> }
> }
> +
> +domain_cleanup:
> + for (i = 0; i < dlb2->num_ports; i++)
> + dlb2_set_port_ctrl(&dlb2->ev_ports[i], false);
> +
> + ret = dlb2_iface_sched_domain_stop(handle, &cfg);
> + if (ret < 0) {
> + DLB2_LOG_ERR("dlb2: sched_domain_stop ret=%d (driver status:
> %s)",
> + ret, dlb2_error_strings[cfg.response.status]);
> + return;
> + }
> }
>
> static void
> @@ -4928,9 +4980,7 @@ dlb2_eventdev_stop(struct rte_eventdev *dev)
> static int
> dlb2_eventdev_close(struct rte_eventdev *dev)
> {
> - dlb2_hw_reset_sched_domain(dev, false);
> -
> - return 0;
> + return dlb2_hw_reset_sched_domain(dev, false);
> }
>
> static void
> diff --git a/drivers/event/dlb2/dlb2_iface.c b/drivers/event/dlb2/dlb2_iface.c
> index 3caa827d31..3cb5993ed8 100644
> --- a/drivers/event/dlb2/dlb2_iface.c
> +++ b/drivers/event/dlb2/dlb2_iface.c
> @@ -30,7 +30,7 @@ int (*dlb2_iface_get_num_resources)(struct dlb2_hw_dev
> *handle,
> int (*dlb2_iface_sched_domain_create)(struct dlb2_hw_dev *handle,
> struct dlb2_create_sched_domain_args *args);
>
> -void (*dlb2_iface_domain_reset)(struct dlb2_eventdev *dlb2);
> +int (*dlb2_iface_domain_reset)(struct dlb2_eventdev *dlb2);
>
> int (*dlb2_iface_ldb_queue_create)(struct dlb2_hw_dev *handle,
> struct dlb2_create_ldb_queue_args *cfg);
> @@ -67,6 +67,9 @@ int (*dlb2_iface_pending_port_unmaps)(struct dlb2_hw_dev
> *handle,
> int (*dlb2_iface_sched_domain_start)(struct dlb2_hw_dev *handle,
> struct dlb2_start_domain_args *cfg);
>
> +int (*dlb2_iface_sched_domain_stop)(struct dlb2_hw_dev *handle,
> + struct dlb2_stop_domain_args *cfg);
> +
> int (*dlb2_iface_get_ldb_queue_depth)(struct dlb2_hw_dev *handle,
> struct dlb2_get_ldb_queue_depth_args *args);
>
> @@ -82,3 +85,4 @@ int (*dlb2_iface_set_cq_inflight_ctrl)(struct dlb2_hw_dev
> *handle,
> int (*dlb2_iface_set_cos_bw)(struct dlb2_hw_dev *handle,
> struct dlb2_set_cos_bw_args *args);
>
> +int (*dlb2_iface_port_ctrl)(struct dlb2_port *qm_port, bool enable);
> diff --git a/drivers/event/dlb2/dlb2_iface.h b/drivers/event/dlb2/dlb2_iface.h
> index c78a8ffb7c..8be6be536e 100644
> --- a/drivers/event/dlb2/dlb2_iface.h
> +++ b/drivers/event/dlb2/dlb2_iface.h
> @@ -29,7 +29,7 @@ extern int (*dlb2_iface_get_num_resources)(struct
> dlb2_hw_dev *handle,
> extern int (*dlb2_iface_sched_domain_create)(struct dlb2_hw_dev *handle,
> struct dlb2_create_sched_domain_args *args);
>
> -extern void (*dlb2_iface_domain_reset)(struct dlb2_eventdev *dlb2);
> +extern int (*dlb2_iface_domain_reset)(struct dlb2_eventdev *dlb2);
>
> extern int (*dlb2_iface_ldb_queue_create)(struct dlb2_hw_dev *handle,
> struct dlb2_create_ldb_queue_args *cfg);
> @@ -66,6 +66,9 @@ extern int (*dlb2_iface_pending_port_unmaps)(struct
> dlb2_hw_dev *handle,
> extern int (*dlb2_iface_sched_domain_start)(struct dlb2_hw_dev *handle,
> struct dlb2_start_domain_args *cfg);
>
> +extern int (*dlb2_iface_sched_domain_stop)(struct dlb2_hw_dev *handle,
> + struct dlb2_stop_domain_args *cfg);
> +
> extern int (*dlb2_iface_get_ldb_queue_depth)(struct dlb2_hw_dev *handle,
> struct dlb2_get_ldb_queue_depth_args *args);
>
> @@ -81,4 +84,6 @@ extern int (*dlb2_iface_set_cq_inflight_ctrl)(struct
> dlb2_hw_dev *handle,
> extern int (*dlb2_iface_set_cos_bw)(struct dlb2_hw_dev *handle,
> struct dlb2_set_cos_bw_args *args);
>
> +extern int (*dlb2_iface_port_ctrl)(struct dlb2_port *qm_port, bool enable);
> +
> #endif /* _DLB2_IFACE_H_ */
> diff --git a/drivers/event/dlb2/dlb2_user.h b/drivers/event/dlb2/dlb2_user.h
> index 4410da8db0..7d63056e6d 100644
> --- a/drivers/event/dlb2/dlb2_user.h
> +++ b/drivers/event/dlb2/dlb2_user.h
> @@ -520,6 +520,22 @@ struct dlb2_start_domain_args {
> struct dlb2_cmd_response response;
> };
>
> +/*
> + * DLB2_DOMAIN_CMD_STOP_DOMAIN: Stop scheduling of a domain. Scheduling can
> be
> + * resumed by calling DLB2_DOMAIN_CMD_START_DOMAIN. Sending QEs into the
> + * device after calling this ioctl will result in undefined behavior.
> + * Input parameters:
> + * - (None)
> + *
> + * Output parameters:
> + * - response.status: Detailed error code. In certain cases, such as if the
> + * ioctl request arg is invalid, the driver won't set status.
> + */
> +struct dlb2_stop_domain_args {
> + /* Output parameters */
> + struct dlb2_cmd_response response;
> +};
> +
> /*
> * DLB2_DOMAIN_CMD_MAP_QID: Map a load-balanced queue to a load-balanced
> port.
> * Input parameters:
> diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.c
> b/drivers/event/dlb2/pf/base/dlb2_resource.c
> index 98f2f5ef92..70c02ab417 100644
> --- a/drivers/event/dlb2/pf/base/dlb2_resource.c
> +++ b/drivers/event/dlb2/pf/base/dlb2_resource.c
> @@ -6102,12 +6102,14 @@ int dlb2_hw_pending_port_unmaps(struct dlb2_hw *hw,
> return 0;
> }
>
> -static int dlb2_verify_start_domain_args(struct dlb2_hw *hw,
> - u32 domain_id,
> - struct dlb2_cmd_response *resp,
> - bool vdev_req,
> - unsigned int vdev_id,
> - struct dlb2_hw_domain **out_domain)
> +
> +static int dlb2_verify_start_stop_domain_args(struct dlb2_hw *hw,
> + u32 domain_id,
> + bool start_domain,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id,
> + struct dlb2_hw_domain
> **out_domain)
> {
> struct dlb2_hw_domain *domain;
>
> @@ -6123,8 +6125,8 @@ static int dlb2_verify_start_domain_args(struct dlb2_hw
> *hw,
> return -EINVAL;
> }
>
> - if (domain->started) {
> - resp->status = DLB2_ST_DOMAIN_STARTED;
> + if (!(domain->started ^ start_domain)) {
> + resp->status = start_domain ? DLB2_ST_DOMAIN_STARTED :
> DLB2_ST_DOMAIN_NOT_STARTED;
> return -EINVAL;
> }
>
> @@ -6144,53 +6146,29 @@ static void dlb2_log_start_domain(struct dlb2_hw *hw,
> DLB2_HW_DBG(hw, "\tDomain ID: %d\n", domain_id);
> }
>
> -/**
> - * dlb2_hw_start_domain() - start a scheduling domain
> - * @hw: dlb2_hw handle for a particular device.
> - * @domain_id: domain ID.
> - * @arg: start domain arguments.
> - * @resp: response structure.
> - * @vdev_req: indicates whether this request came from a vdev.
> - * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> - *
> - * This function starts a scheduling domain, which allows applications to
> send
> - * traffic through it. Once a domain is started, its resources can no longer
> be
> - * configured (besides QID remapping and port enable/disable).
> - *
> - * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> - * device.
> - *
> - * Return:
> - * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> - * assigned a detailed error code from enum dlb2_error.
> - *
> - * Errors:
> - * EINVAL - the domain is not configured, or the domain is already started.
> - */
> -int
> -dlb2_hw_start_domain(struct dlb2_hw *hw,
> +static int
> +dlb2_hw_start_stop_domain(struct dlb2_hw *hw,
> u32 domain_id,
> - struct dlb2_start_domain_args *args,
> + bool start_domain,
> struct dlb2_cmd_response *resp,
> bool vdev_req,
> unsigned int vdev_id)
> {
> - struct dlb2_list_entry *iter;
> + struct dlb2_list_entry *iter __rte_unused;
> struct dlb2_dir_pq_pair *dir_queue;
> struct dlb2_ldb_queue *ldb_queue;
> struct dlb2_hw_domain *domain;
> int ret;
> - RTE_SET_USED(args);
> - RTE_SET_USED(iter);
>
> dlb2_log_start_domain(hw, domain_id, vdev_req, vdev_id);
>
> - ret = dlb2_verify_start_domain_args(hw,
> - domain_id,
> - resp,
> - vdev_req,
> - vdev_id,
> - &domain);
> + ret = dlb2_verify_start_stop_domain_args(hw,
> + domain_id,
> + start_domain,
> + resp,
> + vdev_req,
> + vdev_id,
> + &domain);
> if (ret)
> return ret;
>
> @@ -6203,7 +6181,8 @@ dlb2_hw_start_domain(struct dlb2_hw *hw,
> u32 vasqid_v = 0;
> unsigned int offs;
>
> - DLB2_BIT_SET(vasqid_v, DLB2_SYS_LDB_VASQID_V_VASQID_V);
> + if (start_domain)
> + DLB2_BIT_SET(vasqid_v,
> DLB2_SYS_LDB_VASQID_V_VASQID_V);
>
> offs = domain->id.phys_id * DLB2_MAX_NUM_LDB_QUEUES +
> ldb_queue->id.phys_id;
> @@ -6215,7 +6194,8 @@ dlb2_hw_start_domain(struct dlb2_hw *hw,
> u32 vasqid_v = 0;
> unsigned int offs;
>
> - DLB2_BIT_SET(vasqid_v, DLB2_SYS_DIR_VASQID_V_VASQID_V);
> + if (start_domain)
> + DLB2_BIT_SET(vasqid_v,
> DLB2_SYS_DIR_VASQID_V_VASQID_V);
>
> offs = domain->id.phys_id * DLB2_MAX_NUM_DIR_PORTS(hw->ver) +
> dir_queue->id.phys_id;
> @@ -6225,13 +6205,86 @@ dlb2_hw_start_domain(struct dlb2_hw *hw,
>
> dlb2_flush_csr(hw);
>
> - domain->started = true;
> + /* Return any pending tokens before stopping the domain. */
> + if (!start_domain) {
> + dlb2_domain_drain_ldb_cqs(hw, domain, false);
> + dlb2_domain_drain_dir_cqs(hw, domain, false);
> + }
> + domain->started = start_domain;
>
> resp->status = 0;
>
> return 0;
> }
>
> +/**
> + * dlb2_hw_start_domain() - start a scheduling domain
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @arg: start domain arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function starts a scheduling domain, which allows applications to
> send
> + * traffic through it. Once a domain is started, its resources can no longer
> be
> + * configured (besides QID remapping and port enable/disable).
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - the domain is not configured, or the domain is already started.
> + */
> +int
> +dlb2_hw_start_domain(struct dlb2_hw *hw,
> + u32 domain_id,
> + __attribute((unused)) struct dlb2_start_domain_args
> *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + return dlb2_hw_start_stop_domain(hw, domain_id, true, resp, vdev_req,
> vdev_id);
> +}
> +
> +/**
> + * dlb2_hw_stop_domain() - stop a scheduling domain
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @arg: stop domain arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function stops a scheduling domain, which allows applications to send
> + * traffic through it. Once a domain is stopped, its resources can no longer
> be
> + * configured (besides QID remapping and port enable/disable).
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - the domain is not configured, or the domain is already stopped.
> + */
> +int
> +dlb2_hw_stop_domain(struct dlb2_hw *hw,
> + u32 domain_id,
> + __attribute((unused)) struct dlb2_stop_domain_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + return dlb2_hw_start_stop_domain(hw, domain_id, false, resp,
> vdev_req, vdev_id);
> +}
> +
> static void dlb2_log_get_dir_queue_depth(struct dlb2_hw *hw,
> u32 domain_id,
> u32 queue_id,
> @@ -6890,3 +6943,441 @@ int dlb2_hw_set_cos_bandwidth(struct dlb2_hw *hw, u32
> cos_id, u8 bandwidth)
>
> return 0;
> }
> +
> +static int
> +dlb2_verify_enable_ldb_port_args(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_enable_ldb_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id,
> + struct dlb2_hw_domain **out_domain,
> + struct dlb2_ldb_port **out_port)
> +{
> + struct dlb2_hw_domain *domain;
> + struct dlb2_ldb_port *port;
> + int id;
> +
> + domain = dlb2_get_domain_from_id(hw, domain_id, vdev_req, vdev_id);
> +
> + if (!domain) {
> + resp->status = DLB2_ST_INVALID_DOMAIN_ID;
> + return -EINVAL;
> + }
> +
> + if (!domain->configured) {
> + resp->status = DLB2_ST_DOMAIN_NOT_CONFIGURED;
> + return -EINVAL;
> + }
> +
> + id = args->port_id;
> +
> + port = dlb2_get_domain_used_ldb_port(id, vdev_req, domain);
> +
> + if (!port || !port->configured) {
> + resp->status = DLB2_ST_INVALID_PORT_ID;
> + return -EINVAL;
> + }
> +
> + *out_domain = domain;
> + *out_port = port;
> +
> + return 0;
> +}
> +
> +static int
> +dlb2_verify_enable_dir_port_args(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_enable_dir_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id,
> + struct dlb2_hw_domain **out_domain,
> + struct dlb2_dir_pq_pair **out_port)
> +{
> + struct dlb2_hw_domain *domain;
> + struct dlb2_dir_pq_pair *port;
> + int id;
> +
> + domain = dlb2_get_domain_from_id(hw, domain_id, vdev_req, vdev_id);
> +
> + if (!domain) {
> + resp->status = DLB2_ST_INVALID_DOMAIN_ID;
> + return -EINVAL;
> + }
> +
> + if (!domain->configured) {
> + resp->status = DLB2_ST_DOMAIN_NOT_CONFIGURED;
> + return -EINVAL;
> + }
> +
> + id = args->port_id;
> +
> + port = dlb2_get_domain_used_dir_pq(hw, id, vdev_req, domain);
> +
> + if (!port || !port->port_configured) {
> + resp->status = DLB2_ST_INVALID_PORT_ID;
> + return -EINVAL;
> + }
> +
> + *out_domain = domain;
> + *out_port = port;
> +
> + return 0;
> +}
> +
> +static int
> +dlb2_verify_disable_ldb_port_args(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_disable_ldb_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id,
> + struct dlb2_hw_domain **out_domain,
> + struct dlb2_ldb_port **out_port)
> +{
> + struct dlb2_hw_domain *domain;
> + struct dlb2_ldb_port *port;
> + int id;
> +
> + domain = dlb2_get_domain_from_id(hw, domain_id, vdev_req, vdev_id);
> +
> + if (!domain) {
> + resp->status = DLB2_ST_INVALID_DOMAIN_ID;
> + return -EINVAL;
> + }
> +
> + if (!domain->configured) {
> + resp->status = DLB2_ST_DOMAIN_NOT_CONFIGURED;
> + return -EINVAL;
> + }
> +
> + id = args->port_id;
> +
> + port = dlb2_get_domain_used_ldb_port(id, vdev_req, domain);
> +
> + if (!port || !port->configured) {
> + resp->status = DLB2_ST_INVALID_PORT_ID;
> + return -EINVAL;
> + }
> +
> + *out_domain = domain;
> + *out_port = port;
> +
> + return 0;
> +}
> +
> +static int
> +dlb2_verify_disable_dir_port_args(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_disable_dir_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id,
> + struct dlb2_hw_domain **out_domain,
> + struct dlb2_dir_pq_pair **out_port)
> +{
> + struct dlb2_hw_domain *domain;
> + struct dlb2_dir_pq_pair *port;
> + int id;
> +
> + domain = dlb2_get_domain_from_id(hw, domain_id, vdev_req, vdev_id);
> +
> + if (!domain) {
> + resp->status = DLB2_ST_INVALID_DOMAIN_ID;
> + return -EINVAL;
> + }
> +
> + if (!domain->configured) {
> + resp->status = DLB2_ST_DOMAIN_NOT_CONFIGURED;
> + return -EINVAL;
> + }
> +
> + id = args->port_id;
> +
> + port = dlb2_get_domain_used_dir_pq(hw, id, vdev_req, domain);
> +
> + if (!port || !port->port_configured) {
> + resp->status = DLB2_ST_INVALID_PORT_ID;
> + return -EINVAL;
> + }
> +
> + *out_domain = domain;
> + *out_port = port;
> +
> + return 0;
> +}
> +
> +static void dlb2_log_enable_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + u32 port_id,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + DLB2_HW_DBG(hw, "DLB2 enable port arguments:\n");
> + if (vdev_req)
> + DLB2_HW_DBG(hw, "(Request from vdev %d)\n", vdev_id);
> + DLB2_HW_DBG(hw, "\tDomain ID: %d\n",
> + domain_id);
> + DLB2_HW_DBG(hw, "\tPort ID: %d\n",
> + port_id);
> +}
> +
> +/**
> + * dlb2_hw_enable_ldb_port() - enable a load-balanced port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port enable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to schedule QEs to a load-balanced port.
> + * Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_enable_ldb_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_enable_ldb_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + struct dlb2_hw_domain *domain;
> + struct dlb2_ldb_port *port;
> + int ret;
> +
> + dlb2_log_enable_port(hw, domain_id, args->port_id, vdev_req, vdev_id);
> +
> + /*
> + * Verify that hardware resources are available before attempting to
> + * satisfy the request. This simplifies the error unwinding code.
> + */
> + ret = dlb2_verify_enable_ldb_port_args(hw,
> + domain_id,
> + args,
> + resp,
> + vdev_req,
> + vdev_id,
> + &domain,
> + &port);
> + if (ret)
> + return ret;
> +
> + if (!port->enabled) {
> + dlb2_ldb_port_cq_enable(hw, port);
> + port->enabled = true;
> + }
> +
> + resp->status = 0;
> +
> + return 0;
> +}
> +
> +static void dlb2_log_disable_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + u32 port_id,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + DLB2_HW_DBG(hw, "DLB2 disable port arguments:\n");
> + if (vdev_req)
> + DLB2_HW_DBG(hw, "(Request from vdev %d)\n", vdev_id);
> + DLB2_HW_DBG(hw, "\tDomain ID: %d\n",
> + domain_id);
> + DLB2_HW_DBG(hw, "\tPort ID: %d\n",
> + port_id);
> +}
> +
> +/**
> + * dlb2_hw_disable_ldb_port() - disable a load-balanced port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port disable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to stop scheduling QEs to a load-balanced
> + * port. Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_disable_ldb_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_disable_ldb_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + struct dlb2_hw_domain *domain;
> + struct dlb2_ldb_port *port;
> + int ret;
> +
> + dlb2_log_disable_port(hw, domain_id, args->port_id, vdev_req,
> vdev_id);
> +
> + /*
> + * Verify that hardware resources are available before attempting to
> + * satisfy the request. This simplifies the error unwinding code.
> + */
> + ret = dlb2_verify_disable_ldb_port_args(hw,
> + domain_id,
> + args,
> + resp,
> + vdev_req,
> + vdev_id,
> + &domain,
> + &port);
> + if (ret)
> + return ret;
> +
> + if (port->enabled) {
> + dlb2_ldb_port_cq_disable(hw, port);
> + port->enabled = false;
> + }
> +
> + resp->status = 0;
> +
> + return 0;
> +}
> +
> +/**
> + * dlb2_hw_enable_dir_port() - enable a directed port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port enable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to schedule QEs to a directed port.
> + * Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_enable_dir_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_enable_dir_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + struct dlb2_dir_pq_pair *port;
> + struct dlb2_hw_domain *domain;
> + int ret;
> +
> + dlb2_log_enable_port(hw, domain_id, args->port_id, vdev_req, vdev_id);
> +
> + /*
> + * Verify that hardware resources are available before attempting to
> + * satisfy the request. This simplifies the error unwinding code.
> + */
> + ret = dlb2_verify_enable_dir_port_args(hw,
> + domain_id,
> + args,
> + resp,
> + vdev_req,
> + vdev_id,
> + &domain,
> + &port);
> + if (ret)
> + return ret;
> +
> + if (!port->enabled) {
> + dlb2_dir_port_cq_enable(hw, port);
> + port->enabled = true;
> + }
> +
> + resp->status = 0;
> +
> + return 0;
> +}
> +
> +/**
> + * dlb2_hw_disable_dir_port() - disable a directed port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port disable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to stop scheduling QEs to a directed
> port.
> + * Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_disable_dir_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_disable_dir_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id)
> +{
> + struct dlb2_dir_pq_pair *port;
> + struct dlb2_hw_domain *domain;
> + int ret;
> +
> + dlb2_log_disable_port(hw, domain_id, args->port_id, vdev_req,
> vdev_id);
> +
> + /*
> + * Verify that hardware resources are available before attempting to
> + * satisfy the request. This simplifies the error unwinding code.
> + */
> + ret = dlb2_verify_disable_dir_port_args(hw,
> + domain_id,
> + args,
> + resp,
> + vdev_req,
> + vdev_id,
> + &domain,
> + &port);
> + if (ret)
> + return ret;
> +
> + if (port->enabled) {
> + dlb2_dir_port_cq_disable(hw, port);
> + port->enabled = false;
> + }
> +
> + resp->status = 0;
> +
> + return 0;
> +}
> diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.h
> b/drivers/event/dlb2/pf/base/dlb2_resource.h
> index ee3402deff..c0fe390160 100644
> --- a/drivers/event/dlb2/pf/base/dlb2_resource.h
> +++ b/drivers/event/dlb2/pf/base/dlb2_resource.h
> @@ -268,6 +268,35 @@ int dlb2_hw_start_domain(struct dlb2_hw *hw,
> bool vdev_request,
> unsigned int vdev_id);
>
> +/**
> + * dlb2_hw_stop_domain() - stop a scheduling domain
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: stop domain arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function stops a scheduling domain. When stopped applications can no
> + * longer send traffic through it.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - the domain is not configured, or the domain is already stopped.
> + */
> +int dlb2_hw_stop_domain(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_stop_domain_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id);
> +
> /**
> * dlb2_hw_map_qid() - map a load-balanced queue to a load-balanced port
> * @hw: dlb2_hw handle for a particular device.
> @@ -1974,4 +2003,125 @@ int dlb2_hw_set_cq_inflight_ctrl(struct dlb2_hw *hw,
> u32 domain_id,
> struct dlb2_cmd_response *resp,
> bool vdev_request, unsigned int vdev_id);
>
> +/**
> + * dlb2_hw_enable_ldb_port() - enable a load-balanced port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port enable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to schedule QEs to a load-balanced port.
> + * Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_enable_ldb_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_enable_ldb_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id);
> +
> +/**
> + * dlb2_hw_disable_ldb_port() - disable a load-balanced port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port disable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to stop scheduling QEs to a load-balanced
> + * port. Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_disable_ldb_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_disable_ldb_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id);
> +
> +/**
> + * dlb2_hw_enable_dir_port() - enable a directed port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port enable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to schedule QEs to a directed port.
> + * Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_enable_dir_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_enable_dir_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id);
> +
> +/**
> + * dlb2_hw_disable_dir_port() - disable a directed port for scheduling
> + * @hw: dlb2_hw handle for a particular device.
> + * @domain_id: domain ID.
> + * @args: port disable arguments.
> + * @resp: response structure.
> + * @vdev_req: indicates whether this request came from a vdev.
> + * @vdev_id: If vdev_req is true, this contains the vdev's ID.
> + *
> + * This function configures the DLB to stop scheduling QEs to a directed
> port.
> + * Ports are enabled by default.
> + *
> + * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
> + * device.
> + *
> + * Return:
> + * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
> + * assigned a detailed error code from enum dlb2_error.
> + *
> + * Errors:
> + * EINVAL - The port ID is invalid or the domain is not configured.
> + * EFAULT - Internal error (resp->status not set).
> + */
> +int dlb2_hw_disable_dir_port(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_disable_dir_port_args *args,
> + struct dlb2_cmd_response *resp,
> + bool vdev_req,
> + unsigned int vdev_id);
> +
> +
> #endif /* __DLB2_RESOURCE_H */
> diff --git a/drivers/event/dlb2/pf/dlb2_main.c
> b/drivers/event/dlb2/pf/dlb2_main.c
> index 89eabc2a93..cc5c3a9087 100644
> --- a/drivers/event/dlb2/pf/dlb2_main.c
> +++ b/drivers/event/dlb2/pf/dlb2_main.c
> @@ -600,3 +600,13 @@ dlb2_pf_start_domain(struct dlb2_hw *hw,
> return dlb2_hw_start_domain(hw, id, args, resp, NOT_VF_REQ,
> PF_ID_ZERO);
> }
> +
> +int
> +dlb2_pf_stop_domain(struct dlb2_hw *hw,
> + u32 id,
> + struct dlb2_stop_domain_args *args,
> + struct dlb2_cmd_response *resp)
> +{
> + return dlb2_hw_stop_domain(hw, id, args, resp, NOT_VF_REQ,
> + PF_ID_ZERO);
> +}
> diff --git a/drivers/event/dlb2/pf/dlb2_main.h
> b/drivers/event/dlb2/pf/dlb2_main.h
> index 12912a2dec..abf0fcf35c 100644
> --- a/drivers/event/dlb2/pf/dlb2_main.h
> +++ b/drivers/event/dlb2/pf/dlb2_main.h
> @@ -85,6 +85,10 @@ int dlb2_pf_start_domain(struct dlb2_hw *hw,
> u32 domain_id,
> struct dlb2_start_domain_args *args,
> struct dlb2_cmd_response *resp);
> +int dlb2_pf_stop_domain(struct dlb2_hw *hw,
> + u32 domain_id,
> + struct dlb2_stop_domain_args *args,
> + struct dlb2_cmd_response *resp);
> int dlb2_pf_enable_ldb_port(struct dlb2_hw *hw,
> u32 domain_id,
> struct dlb2_enable_ldb_port_args *args,
> diff --git a/drivers/event/dlb2/pf/dlb2_pf.c b/drivers/event/dlb2/pf/dlb2_pf.c
> index edcdfb319f..e1b90394d1 100644
> --- a/drivers/event/dlb2/pf/dlb2_pf.c
> +++ b/drivers/event/dlb2/pf/dlb2_pf.c
> @@ -202,7 +202,7 @@ dlb2_pf_sched_domain_create(struct dlb2_hw_dev *handle,
> return ret;
> }
>
> -static void
> +static int
> dlb2_pf_domain_reset(struct dlb2_eventdev *dlb2)
> {
> struct dlb2_dev *dlb2_dev;
> @@ -212,6 +212,7 @@ dlb2_pf_domain_reset(struct dlb2_eventdev *dlb2)
> ret = dlb2_pf_reset_domain(&dlb2_dev->hw,
> dlb2->qm_instance.domain_id);
> if (ret)
> DLB2_LOG_ERR("dlb2_pf_reset_domain err %d", ret);
> + return ret;
> }
>
> static int
> @@ -609,6 +610,29 @@ dlb2_pf_sched_domain_start(struct dlb2_hw_dev *handle,
> return ret;
> }
>
> +static int
> +dlb2_pf_sched_domain_stop(struct dlb2_hw_dev *handle,
> + struct dlb2_stop_domain_args *cfg)
> +{
> + struct dlb2_dev *dlb2_dev = (struct dlb2_dev *)handle->pf_dev;
> + struct dlb2_cmd_response response = {0};
> + int ret;
> +
> + DLB2_INFO(dev->dlb2_device, "Entering %s()\n", __func__);
> +
> + ret = dlb2_pf_stop_domain(&dlb2_dev->hw,
> + handle->domain_id,
> + cfg,
> + &response);
> +
> + cfg->response = response;
> +
> + DLB2_INFO(dev->dlb2_device, "Exiting %s() with ret=%d\n",
> + __func__, ret);
> +
> + return ret;
> +}
> +
> static int
> dlb2_pf_get_ldb_queue_depth(struct dlb2_hw_dev *handle,
> struct dlb2_get_ldb_queue_depth_args *args)
> @@ -722,6 +746,47 @@ dlb2_pf_set_cos_bandwidth(struct dlb2_hw_dev *handle,
> return ret;
> }
>
> +static int dlb2_pf_port_ctrl(struct dlb2_port *qm_port, bool enable)
> +{
> + struct dlb2_hw_dev *handle = &qm_port->dlb2->qm_instance;
> + struct dlb2_cmd_response response = {0};
> + struct dlb2_dev *dlb2_dev;
> + int ret = 0;
> +
> + dlb2_dev = (struct dlb2_dev *)handle->pf_dev;
> +
> + if (PORT_TYPE(qm_port) == DLB2_LDB_PORT) {
> + if (enable) {
> + struct dlb2_enable_ldb_port_args args = {.port_id =
> qm_port->id};
> +
> + ret = dlb2_hw_enable_ldb_port(&dlb2_dev->hw,
> handle->domain_id,
> + &args, &response,
> false, 0);
> + } else {
> + struct dlb2_disable_ldb_port_args args = {.port_id =
> qm_port->id};
> +
> + ret = dlb2_hw_disable_ldb_port(&dlb2_dev->hw,
> handle->domain_id,
> + &args, &response,
> false, 0);
> + }
> + } else {
> + if (enable) {
> + struct dlb2_enable_dir_port_args args = {.port_id =
> qm_port->id};
> +
> + ret = dlb2_hw_enable_dir_port(&dlb2_dev->hw,
> handle->domain_id,
> + &args, &response,
> false, 0);
> + } else {
> + struct dlb2_disable_dir_port_args args = {.port_id =
> qm_port->id};
> +
> + ret = dlb2_hw_disable_dir_port(&dlb2_dev->hw,
> handle->domain_id,
> + &args, &response,
> false, 0);
> + }
> + }
> +
> + DLB2_INFO(dev->dlb2_device, "Exiting %s() with ret=%d\n",
> + __func__, ret);
> +
> + return ret;
> +}
> +
> static void
> dlb2_pf_iface_fn_ptrs_init(void)
> {
> @@ -742,6 +807,7 @@ dlb2_pf_iface_fn_ptrs_init(void)
> dlb2_iface_get_ldb_queue_depth = dlb2_pf_get_ldb_queue_depth;
> dlb2_iface_get_dir_queue_depth = dlb2_pf_get_dir_queue_depth;
> dlb2_iface_sched_domain_start = dlb2_pf_sched_domain_start;
> + dlb2_iface_sched_domain_stop = dlb2_pf_sched_domain_stop;
> dlb2_iface_pending_port_unmaps = dlb2_pf_pending_port_unmaps;
> dlb2_iface_get_sn_allocation = dlb2_pf_get_sn_allocation;
> dlb2_iface_set_sn_allocation = dlb2_pf_set_sn_allocation;
> @@ -749,6 +815,7 @@ dlb2_pf_iface_fn_ptrs_init(void)
> dlb2_iface_enable_cq_weight = dlb2_pf_enable_cq_weight;
> dlb2_iface_set_cos_bw = dlb2_pf_set_cos_bandwidth;
> dlb2_iface_set_cq_inflight_ctrl = dlb2_pf_set_cq_inflight_ctrl;
> + dlb2_iface_port_ctrl = dlb2_pf_port_ctrl;
> }
>
> /* PCI DEV HOOKS */
> --
> 2.25.1
>
