#include <rte_malloc.h>
#include <rte_log.h>
#include <rte_errno.h>
-#include <rte_bus_pci.h>
-#include <rte_pci.h>
#include <rte_string_fns.h>
+#include <rte_bus_pci.h>
#include <mlx5_glue.h>
#include <mlx5_common.h>
#include "mlx5_vdpa_utils.h"
#include "mlx5_vdpa.h"
+#define MLX5_VDPA_DRIVER_NAME vdpa_mlx5
#define MLX5_VDPA_DEFAULT_FEATURES ((1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \
(1ULL << VIRTIO_F_ANY_LAYOUT) | \
(1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER) | \
(1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) | \
(1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
- (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU))
+ (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU) | \
+ (1ULL << VHOST_USER_PROTOCOL_F_STATUS))
#define MLX5_VDPA_MAX_RETRIES 20
#define MLX5_VDPA_USEC 1000
+#define MLX5_VDPA_DEFAULT_NO_TRAFFIC_MAX 16LLU
TAILQ_HEAD(mlx5_vdpa_privs, mlx5_vdpa_priv) priv_list =
TAILQ_HEAD_INITIALIZER(priv_list);
static pthread_mutex_t priv_list_lock = PTHREAD_MUTEX_INITIALIZER;
-int mlx5_vdpa_logtype;
static struct mlx5_vdpa_priv *
mlx5_vdpa_find_priv_resource_by_vdev(struct rte_vdpa_device *vdev)
static int
mlx5_vdpa_set_vring_state(int vid, int vring, int state)
{
- struct rte_vdpa_device *vdev = rte_vdpa_get_device(
- rte_vhost_get_vdpa_device_id(vid));
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
struct mlx5_vdpa_priv *priv =
mlx5_vdpa_find_priv_resource_by_vdev(vdev);
+ int ret;
if (priv == NULL) {
DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
DRV_LOG(ERR, "Too big vring id: %d.", vring);
return -E2BIG;
}
- return mlx5_vdpa_virtq_enable(priv, vring, state);
-}
-
-static int
-mlx5_vdpa_direct_db_prepare(struct mlx5_vdpa_priv *priv)
-{
- int ret;
-
- if (priv->direct_notifier) {
- ret = rte_vhost_host_notifier_ctrl(priv->vid, false);
- if (ret != 0) {
- DRV_LOG(INFO, "Direct HW notifier FD cannot be "
- "destroyed for device %d: %d.", priv->vid, ret);
- return -1;
- }
- priv->direct_notifier = 0;
- }
- ret = rte_vhost_host_notifier_ctrl(priv->vid, true);
- if (ret != 0)
- DRV_LOG(INFO, "Direct HW notifier FD cannot be configured for"
- " device %d: %d.", priv->vid, ret);
- else
- priv->direct_notifier = 1;
- return 0;
+ pthread_mutex_lock(&priv->vq_config_lock);
+ ret = mlx5_vdpa_virtq_enable(priv, vring, state);
+ pthread_mutex_unlock(&priv->vq_config_lock);
+ return ret;
}
static int
mlx5_vdpa_features_set(int vid)
{
- struct rte_vdpa_device *vdev = rte_vdpa_get_device(
- rte_vhost_get_vdpa_device_id(vid));
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
struct mlx5_vdpa_priv *priv =
mlx5_vdpa_find_priv_resource_by_vdev(vdev);
uint64_t log_base, log_size;
static int
mlx5_vdpa_dev_close(int vid)
{
- struct rte_vdpa_device *vdev = rte_vdpa_get_device(
- rte_vhost_get_vdpa_device_id(vid));
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
struct mlx5_vdpa_priv *priv =
mlx5_vdpa_find_priv_resource_by_vdev(vdev);
int ret = 0;
}
if (priv->configured)
ret |= mlx5_vdpa_lm_log(priv);
+ mlx5_vdpa_err_event_unset(priv);
mlx5_vdpa_cqe_event_unset(priv);
mlx5_vdpa_steer_unset(priv);
mlx5_vdpa_virtqs_release(priv);
}
priv->configured = 0;
priv->vid = 0;
+ /* The mutex may stay locked after event thread cancel - initiate it. */
+ pthread_mutex_init(&priv->vq_config_lock, NULL);
DRV_LOG(INFO, "vDPA device %d was closed.", vid);
return ret;
}
static int
mlx5_vdpa_dev_config(int vid)
{
- struct rte_vdpa_device *vdev = rte_vdpa_get_device(
- rte_vhost_get_vdpa_device_id(vid));
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
struct mlx5_vdpa_priv *priv =
mlx5_vdpa_find_priv_resource_by_vdev(vdev);
DRV_LOG(WARNING, "MTU cannot be set on device %s.",
vdev->device->name);
if (mlx5_vdpa_pd_create(priv) || mlx5_vdpa_mem_register(priv) ||
- mlx5_vdpa_direct_db_prepare(priv) ||
+ mlx5_vdpa_err_event_setup(priv) ||
mlx5_vdpa_virtqs_prepare(priv) || mlx5_vdpa_steer_setup(priv) ||
mlx5_vdpa_cqe_event_setup(priv)) {
mlx5_vdpa_dev_close(vid);
static int
mlx5_vdpa_get_device_fd(int vid)
{
- struct rte_vdpa_device *vdev = rte_vdpa_get_device(
- rte_vhost_get_vdpa_device_id(vid));
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
struct mlx5_vdpa_priv *priv =
mlx5_vdpa_find_priv_resource_by_vdev(vdev);
static int
mlx5_vdpa_get_notify_area(int vid, int qid, uint64_t *offset, uint64_t *size)
{
- struct rte_vdpa_device *vdev = rte_vdpa_get_device(
- rte_vhost_get_vdpa_device_id(vid));
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
struct mlx5_vdpa_priv *priv =
mlx5_vdpa_find_priv_resource_by_vdev(vdev);
.reset_stats = mlx5_vdpa_reset_stats,
};
-static struct ibv_device *
-mlx5_vdpa_get_ib_device_match(struct rte_pci_addr *addr)
-{
- int n;
- struct ibv_device **ibv_list = mlx5_glue->get_device_list(&n);
- struct ibv_device *ibv_match = NULL;
-
- if (!ibv_list) {
- rte_errno = ENOSYS;
- return NULL;
- }
- while (n-- > 0) {
- struct rte_pci_addr pci_addr;
-
- DRV_LOG(DEBUG, "Checking device \"%s\"..", ibv_list[n]->name);
- if (mlx5_dev_to_pci_addr(ibv_list[n]->ibdev_path, &pci_addr))
- continue;
- if (rte_pci_addr_cmp(addr, &pci_addr))
- continue;
- ibv_match = ibv_list[n];
- break;
- }
- if (!ibv_match)
- rte_errno = ENOENT;
- mlx5_glue->free_device_list(ibv_list);
- return ibv_match;
-}
-
/* Try to disable ROCE by Netlink\Devlink. */
static int
mlx5_vdpa_nl_roce_disable(const char *addr)
}
static int
-mlx5_vdpa_roce_disable(struct rte_pci_addr *addr, struct ibv_device **ibv)
+mlx5_vdpa_roce_disable(struct rte_device *dev)
{
- char addr_name[64] = {0};
+ char pci_addr[PCI_PRI_STR_SIZE] = { 0 };
- rte_pci_device_name(addr, addr_name, sizeof(addr_name));
+ if (mlx5_dev_to_pci_str(dev, pci_addr, sizeof(pci_addr)) < 0)
+ return -rte_errno;
/* Firstly try to disable ROCE by Netlink and fallback to sysfs. */
- if (mlx5_vdpa_nl_roce_disable(addr_name) == 0 ||
- mlx5_vdpa_sys_roce_disable(addr_name) == 0) {
- /*
- * Succeed to disable ROCE, wait for the IB device to appear
- * again after reload.
- */
- int r;
- struct ibv_device *ibv_new;
-
- for (r = MLX5_VDPA_MAX_RETRIES; r; r--) {
- ibv_new = mlx5_vdpa_get_ib_device_match(addr);
- if (ibv_new) {
- *ibv = ibv_new;
- return 0;
- }
- usleep(MLX5_VDPA_USEC);
- }
- DRV_LOG(ERR, "Cannot much device %s after ROCE disable, "
- "retries exceed %d", addr_name, MLX5_VDPA_MAX_RETRIES);
- rte_errno = EAGAIN;
+ if (mlx5_vdpa_nl_roce_disable(pci_addr) != 0 &&
+ mlx5_vdpa_sys_roce_disable(pci_addr) != 0)
+ return -rte_errno;
+ return 0;
+}
+
+static int
+mlx5_vdpa_args_check_handler(const char *key, const char *val, void *opaque)
+{
+ struct mlx5_vdpa_priv *priv = opaque;
+ unsigned long tmp;
+ int n_cores = sysconf(_SC_NPROCESSORS_ONLN);
+
+ if (strcmp(key, RTE_DEVARGS_KEY_CLASS) == 0)
+ return 0;
+ errno = 0;
+ tmp = strtoul(val, NULL, 0);
+ if (errno) {
+ DRV_LOG(WARNING, "%s: \"%s\" is an invalid integer.", key, val);
+ return -errno;
}
- return -rte_errno;
+ if (strcmp(key, "event_mode") == 0) {
+ if (tmp <= MLX5_VDPA_EVENT_MODE_ONLY_INTERRUPT)
+ priv->event_mode = (int)tmp;
+ else
+ DRV_LOG(WARNING, "Invalid event_mode %s.", val);
+ } else if (strcmp(key, "event_us") == 0) {
+ priv->event_us = (uint32_t)tmp;
+ } else if (strcmp(key, "no_traffic_time") == 0) {
+ priv->no_traffic_max = (uint32_t)tmp;
+ } else if (strcmp(key, "event_core") == 0) {
+ if (tmp >= (unsigned long)n_cores)
+ DRV_LOG(WARNING, "Invalid event_core %s.", val);
+ else
+ priv->event_core = tmp;
+ } else if (strcmp(key, "hw_latency_mode") == 0) {
+ priv->hw_latency_mode = (uint32_t)tmp;
+ } else if (strcmp(key, "hw_max_latency_us") == 0) {
+ priv->hw_max_latency_us = (uint32_t)tmp;
+ } else if (strcmp(key, "hw_max_pending_comp") == 0) {
+ priv->hw_max_pending_comp = (uint32_t)tmp;
+ } else {
+ DRV_LOG(WARNING, "Invalid key %s.", key);
+ }
+ return 0;
+}
+
+static void
+mlx5_vdpa_config_get(struct rte_devargs *devargs, struct mlx5_vdpa_priv *priv)
+{
+ struct rte_kvargs *kvlist;
+
+ priv->event_mode = MLX5_VDPA_EVENT_MODE_FIXED_TIMER;
+ priv->event_us = 0;
+ priv->event_core = -1;
+ priv->no_traffic_max = MLX5_VDPA_DEFAULT_NO_TRAFFIC_MAX;
+ if (devargs == NULL)
+ return;
+ kvlist = rte_kvargs_parse(devargs->args, NULL);
+ if (kvlist == NULL)
+ return;
+ rte_kvargs_process(kvlist, NULL, mlx5_vdpa_args_check_handler, priv);
+ rte_kvargs_free(kvlist);
+ if (!priv->event_us &&
+ priv->event_mode == MLX5_VDPA_EVENT_MODE_DYNAMIC_TIMER)
+ priv->event_us = MLX5_VDPA_DEFAULT_TIMER_STEP_US;
+ DRV_LOG(DEBUG, "event mode is %d.", priv->event_mode);
+ DRV_LOG(DEBUG, "event_us is %u us.", priv->event_us);
+ DRV_LOG(DEBUG, "no traffic max is %u.", priv->no_traffic_max);
}
-/**
- * DPDK callback to register a PCI device.
- *
- * This function spawns vdpa device out of a given PCI device.
- *
- * @param[in] pci_drv
- * PCI driver structure (mlx5_vpda_driver).
- * @param[in] pci_dev
- * PCI device information.
- *
- * @return
- * 0 on success, 1 to skip this driver, a negative errno value otherwise
- * and rte_errno is set.
- */
static int
-mlx5_vdpa_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
- struct rte_pci_device *pci_dev __rte_unused)
+mlx5_vdpa_dev_probe(struct rte_device *dev)
{
struct ibv_device *ibv;
struct mlx5_vdpa_priv *priv = NULL;
struct ibv_context *ctx = NULL;
struct mlx5_hca_attr attr;
+ int retry;
int ret;
- if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_VDPA) {
- DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
- " driver.");
- return 1;
- }
- ibv = mlx5_vdpa_get_ib_device_match(&pci_dev->addr);
- if (!ibv) {
- DRV_LOG(ERR, "No matching IB device for PCI slot "
- PCI_PRI_FMT ".", pci_dev->addr.domain,
- pci_dev->addr.bus, pci_dev->addr.devid,
- pci_dev->addr.function);
+ if (mlx5_vdpa_roce_disable(dev) != 0) {
+ DRV_LOG(WARNING, "Failed to disable ROCE for \"%s\".",
+ dev->name);
return -rte_errno;
- } else {
- DRV_LOG(INFO, "PCI information matches for device \"%s\".",
- ibv->name);
}
- if (mlx5_vdpa_roce_disable(&pci_dev->addr, &ibv) != 0) {
- DRV_LOG(WARNING, "Failed to disable ROCE for \"%s\".",
- ibv->name);
+ /* Wait for the IB device to appear again after reload. */
+ for (retry = MLX5_VDPA_MAX_RETRIES; retry > 0; --retry) {
+ ibv = mlx5_os_get_ibv_dev(dev);
+ if (ibv != NULL)
+ break;
+ usleep(MLX5_VDPA_USEC);
+ }
+ if (ibv == NULL) {
+ DRV_LOG(ERR, "Cannot get IB device after disabling RoCE for "
+ "\"%s\", retries exceed %d.",
+ dev->name, MLX5_VDPA_MAX_RETRIES);
+ rte_errno = EAGAIN;
return -rte_errno;
}
ctx = mlx5_glue->dv_open_device(ibv);
}
priv->caps = attr.vdpa;
priv->log_max_rqt_size = attr.log_max_rqt_size;
+ priv->num_lag_ports = attr.num_lag_ports;
+ priv->qp_ts_format = attr.qp_ts_format;
+ if (attr.num_lag_ports == 0)
+ priv->num_lag_ports = 1;
priv->ctx = ctx;
- priv->pci_dev = pci_dev;
priv->var = mlx5_glue->dv_alloc_var(ctx, 0);
if (!priv->var) {
- DRV_LOG(ERR, "Failed to allocate VAR %u.\n", errno);
+ DRV_LOG(ERR, "Failed to allocate VAR %u.", errno);
goto error;
}
- priv->vdev = rte_vdpa_register_device(&pci_dev->device,
- &mlx5_vdpa_ops);
+ priv->vdev = rte_vdpa_register_device(dev, &mlx5_vdpa_ops);
if (priv->vdev == NULL) {
DRV_LOG(ERR, "Failed to register vDPA device.");
rte_errno = rte_errno ? rte_errno : EINVAL;
goto error;
}
+ mlx5_vdpa_config_get(dev->devargs, priv);
SLIST_INIT(&priv->mr_list);
+ pthread_mutex_init(&priv->vq_config_lock, NULL);
pthread_mutex_lock(&priv_list_lock);
TAILQ_INSERT_TAIL(&priv_list, priv, next);
pthread_mutex_unlock(&priv_list_lock);
return -rte_errno;
}
-/**
- * DPDK callback to remove a PCI device.
- *
- * This function removes all vDPA devices belong to a given PCI device.
- *
- * @param[in] pci_dev
- * Pointer to the PCI device.
- *
- * @return
- * 0 on success, the function cannot fail.
- */
static int
-mlx5_vdpa_pci_remove(struct rte_pci_device *pci_dev)
+mlx5_vdpa_dev_remove(struct rte_device *dev)
{
struct mlx5_vdpa_priv *priv = NULL;
int found = 0;
pthread_mutex_lock(&priv_list_lock);
TAILQ_FOREACH(priv, &priv_list, next) {
- if (!rte_pci_addr_cmp(&priv->pci_dev->addr, &pci_dev->addr)) {
+ if (priv->vdev->device == dev) {
found = 1;
break;
}
mlx5_glue->dv_free_var(priv->var);
priv->var = NULL;
}
+ if (priv->vdev)
+ rte_vdpa_unregister_device(priv->vdev);
mlx5_glue->close_device(priv->ctx);
+ pthread_mutex_destroy(&priv->vq_config_lock);
rte_free(priv);
}
return 0;
},
{
RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
- PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF)
+ PCI_DEVICE_ID_MELLANOX_CONNECTXVF)
},
{
RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
},
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX7)
+ },
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX7BF)
+ },
{
.vendor_id = 0
}
};
-static struct rte_pci_driver mlx5_vdpa_driver = {
- .driver = {
- .name = "mlx5_vdpa",
- },
+static struct mlx5_class_driver mlx5_vdpa_driver = {
+ .drv_class = MLX5_CLASS_VDPA,
+ .name = RTE_STR(MLX5_VDPA_DRIVER_NAME),
.id_table = mlx5_vdpa_pci_id_map,
- .probe = mlx5_vdpa_pci_probe,
- .remove = mlx5_vdpa_pci_remove,
- .drv_flags = 0,
+ .probe = mlx5_vdpa_dev_probe,
+ .remove = mlx5_vdpa_dev_remove,
};
+RTE_LOG_REGISTER_DEFAULT(mlx5_vdpa_logtype, NOTICE)
+
/**
* Driver initialization routine.
*/
RTE_INIT(rte_mlx5_vdpa_init)
{
- /* Initialize common log type. */
- mlx5_vdpa_logtype = rte_log_register("pmd.vdpa.mlx5");
- if (mlx5_vdpa_logtype >= 0)
- rte_log_set_level(mlx5_vdpa_logtype, RTE_LOG_NOTICE);
+ mlx5_common_init();
if (mlx5_glue)
- rte_pci_register(&mlx5_vdpa_driver);
+ mlx5_class_driver_register(&mlx5_vdpa_driver);
}
-RTE_PMD_EXPORT_NAME(net_mlx5_vdpa, __COUNTER__);
-RTE_PMD_REGISTER_PCI_TABLE(net_mlx5_vdpa, mlx5_vdpa_pci_id_map);
-RTE_PMD_REGISTER_KMOD_DEP(net_mlx5_vdpa, "* ib_uverbs & mlx5_core & mlx5_ib");
+RTE_PMD_EXPORT_NAME(MLX5_VDPA_DRIVER_NAME, __COUNTER__);
+RTE_PMD_REGISTER_PCI_TABLE(MLX5_VDPA_DRIVER_NAME, mlx5_vdpa_pci_id_map);
+RTE_PMD_REGISTER_KMOD_DEP(MLX5_VDPA_DRIVER_NAME, "* ib_uverbs & mlx5_core & mlx5_ib");
git.droids-corp.org / dpdk.git / blobdiff