[dpdk-dev] [PATCH v2 05/14] net/mlx5: remove PCI dependency

[Xueming Li <xuemingl@nvidia.com>]

To support more bus types, remove PCI dependency where possible.

Signed-off-by: Xueming Li <xuemingl@nvidia.com>
---
 drivers/net/mlx5/linux/mlx5_ethdev_os.c |  2 +-
 drivers/net/mlx5/linux/mlx5_os.c        |  4 +--
 drivers/net/mlx5/mlx5.c                 | 45 ++++++++++++++-----------
 drivers/net/mlx5/mlx5.h                 |  9 ++---
 drivers/net/mlx5/mlx5_ethdev.c          |  2 +-
 drivers/net/mlx5/mlx5_mr.c              | 14 ++++----
 drivers/net/mlx5/mlx5_trigger.c         | 12 +++----
 drivers/net/mlx5/mlx5_txq.c             |  3 +-
 drivers/net/mlx5/windows/mlx5_os.c      |  3 +-
 9 files changed, 51 insertions(+), 43 deletions(-)

diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
index ddc1371aa9..b05b9fc950 100644
--- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
+++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
@@ -346,7 +346,7 @@ mlx5_find_master_dev(struct rte_eth_dev *dev)
 	priv = dev->data->dev_private;
 	domain_id = priv->domain_id;
 	MLX5_ASSERT(priv->representor);
-	MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
+	MLX5_ETH_FOREACH_DEV(port_id, dev->device) {
 		struct mlx5_priv *opriv =
 			rte_eth_devices[port_id].data->dev_private;
 		if (opriv &&
diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c
index 5c568794d7..8ebadc895d 100644
--- a/drivers/net/mlx5/linux/mlx5_os.c
+++ b/drivers/net/mlx5/linux/mlx5_os.c
@@ -1177,7 +1177,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
 	 * Look for sibling devices in order to reuse their switch domain
 	 * if any, otherwise allocate one.
 	 */
-	MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
+	MLX5_ETH_FOREACH_DEV(port_id, NULL) {
 		const struct mlx5_priv *opriv =
 			rte_eth_devices[port_id].data->dev_private;
 
@@ -2434,6 +2434,7 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev,
 		dev_config.decap_en = 1;
 		dev_config.log_hp_size = MLX5_ARG_UNSET;
 		dev_config.allow_duplicate_pattern = 1;
+		list[i].numa_node = pci_dev->device.numa_node;
 		list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
 						 &list[i],
 						 &dev_config,
@@ -2631,7 +2632,6 @@ mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
 	int dbmap_env;
 	int err = 0;
 
-	sh->numa_node = spawn->pci_dev->device.numa_node;
 	pthread_mutex_init(&sh->txpp.mutex, NULL);
 	/*
 	 * Configure environment variable "MLX5_BF_SHUT_UP"
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index d9c90d5ef9..8e64bf955b 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1120,6 +1120,7 @@ mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
 		rte_errno  = ENOMEM;
 		goto exit;
 	}
+	sh->numa_node = spawn->numa_node;
 	if (spawn->bond_info)
 		sh->bond = *spawn->bond_info;
 	err = mlx5_os_open_device(spawn, config, sh);
@@ -1197,7 +1198,7 @@ mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
 	 */
 	err = mlx5_mr_btree_init(&sh->share_cache.cache,
 				 MLX5_MR_BTREE_CACHE_N * 2,
-				 spawn->pci_dev->device.numa_node);
+				 sh->numa_node);
 	if (err) {
 		err = rte_errno;
 		goto error;
@@ -1635,7 +1636,7 @@ mlx5_dev_close(struct rte_eth_dev *dev)
 		unsigned int c = 0;
 		uint16_t port_id;
 
-		MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
+		MLX5_ETH_FOREACH_DEV(port_id, dev->device) {
 			struct mlx5_priv *opriv =
 				rte_eth_devices[port_id].data->dev_private;
 
@@ -2077,18 +2078,20 @@ mlx5_set_min_inline(struct mlx5_dev_spawn_data *spawn,
 {
 	if (config->txq_inline_min != MLX5_ARG_UNSET) {
 		/* Application defines size of inlined data explicitly. */
-		switch (spawn->pci_dev->id.device_id) {
-		case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
-		case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
-			if (config->txq_inline_min <
-				       (int)MLX5_INLINE_HSIZE_L2) {
-				DRV_LOG(DEBUG,
-					"txq_inline_mix aligned to minimal"
-					" ConnectX-4 required value %d",
-					(int)MLX5_INLINE_HSIZE_L2);
-				config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
+		if (spawn->pci_dev != NULL) {
+			switch (spawn->pci_dev->id.device_id) {
+			case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
+			case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
+				if (config->txq_inline_min <
+					       (int)MLX5_INLINE_HSIZE_L2) {
+					DRV_LOG(DEBUG,
+						"txq_inline_mix aligned to minimal ConnectX-4 required value %d",
+						(int)MLX5_INLINE_HSIZE_L2);
+					config->txq_inline_min =
+							MLX5_INLINE_HSIZE_L2;
+				}
+				break;
 			}
-			break;
 		}
 		goto exit;
 	}
@@ -2142,6 +2145,10 @@ mlx5_set_min_inline(struct mlx5_dev_spawn_data *spawn,
 			}
 		}
 	}
+	if (spawn->pci_dev == NULL) {
+		config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
+		goto exit;
+	}
 	/*
 	 * We get here if we are unable to deduce
 	 * inline data size with DevX. Try PCI ID
@@ -2276,7 +2283,7 @@ mlx5_dev_check_sibling_config(struct mlx5_priv *priv,
 	if (sh->refcnt == 1)
 		return 0;
 	/* Find the device with shared context. */
-	MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
+	MLX5_ETH_FOREACH_DEV(port_id, NULL) {
 		struct mlx5_priv *opriv =
 			rte_eth_devices[port_id].data->dev_private;
 
@@ -2307,25 +2314,25 @@ mlx5_dev_check_sibling_config(struct mlx5_priv *priv,
  *
  * @param[in] port_id
  *   port_id to start looking for device.
- * @param[in] pci_dev
- *   Pointer to the hint PCI device. When device is being probed
+ * @param[in] odev
+ *   Pointer to the hint device. When device is being probed
  *   the its siblings (master and preceding representors might
  *   not have assigned driver yet (because the mlx5_os_pci_probe()
- *   is not completed yet, for this case match on hint PCI
+ *   is not completed yet, for this case match on hint
  *   device may be used to detect sibling device.
  *
  * @return
  *   port_id of found device, RTE_MAX_ETHPORT if not found.
  */
 uint16_t
-mlx5_eth_find_next(uint16_t port_id, struct rte_pci_device *pci_dev)
+mlx5_eth_find_next(uint16_t port_id, struct rte_device *odev)
 {
 	while (port_id < RTE_MAX_ETHPORTS) {
 		struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 
 		if (dev->state != RTE_ETH_DEV_UNUSED &&
 		    dev->device &&
-		    (dev->device == &pci_dev->device ||
+		    (dev->device == odev ||
 		     (dev->device->driver &&
 		     dev->device->driver->name &&
 		     !strcmp(dev->device->driver->name, MLX5_PCI_DRIVER_NAME))))
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 30893c7f38..6e6a2b28b2 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -134,6 +134,7 @@ struct mlx5_dev_spawn_data {
 	uint32_t max_port; /**< Device maximal port index. */
 	uint32_t phys_port; /**< Device physical port index. */
 	int pf_bond; /**< bonding device PF index. < 0 - no bonding */
+	int numa_node; /**< Device numa node. */
 	struct mlx5_switch_info info; /**< Switch information. */
 	void *phys_dev; /**< Associated physical device. */
 	struct rte_eth_dev *eth_dev; /**< Associated Ethernet device. */
@@ -1460,16 +1461,16 @@ int mlx5_proc_priv_init(struct rte_eth_dev *dev);
 void mlx5_proc_priv_uninit(struct rte_eth_dev *dev);
 int mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev,
 			      struct rte_eth_udp_tunnel *udp_tunnel);
-uint16_t mlx5_eth_find_next(uint16_t port_id, struct rte_pci_device *pci_dev);
+uint16_t mlx5_eth_find_next(uint16_t port_id, struct rte_device *odev);
 int mlx5_dev_close(struct rte_eth_dev *dev);
 bool mlx5_is_hpf(struct rte_eth_dev *dev);
 void mlx5_age_event_prepare(struct mlx5_dev_ctx_shared *sh);
 
 /* Macro to iterate over all valid ports for mlx5 driver. */
-#define MLX5_ETH_FOREACH_DEV(port_id, pci_dev) \
-	for (port_id = mlx5_eth_find_next(0, pci_dev); \
+#define MLX5_ETH_FOREACH_DEV(port_id, dev) \
+	for (port_id = mlx5_eth_find_next(0, dev); \
 	     port_id < RTE_MAX_ETHPORTS; \
-	     port_id = mlx5_eth_find_next(port_id + 1, pci_dev))
+	     port_id = mlx5_eth_find_next(port_id + 1, dev))
 int mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs);
 struct mlx5_dev_ctx_shared *
 mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index c32eeefd88..82e2284d98 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -335,7 +335,7 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
 	if (priv->representor) {
 		uint16_t port_id;
 
-		MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
+		MLX5_ETH_FOREACH_DEV(port_id, dev->device) {
 			struct mlx5_priv *opriv =
 				rte_eth_devices[port_id].data->dev_private;
 
diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c
index 89c43fc9e9..87fb4371a4 100644
--- a/drivers/net/mlx5/mlx5_mr.c
+++ b/drivers/net/mlx5/mlx5_mr.c
@@ -199,23 +199,23 @@ mlx5_mr_update_ext_mp_cb(struct rte_mempool *mp, void *opaque,
 }
 
 /**
- * Finds the first ethdev that match the pci device.
+ * Finds the first ethdev that match the device.
  * The existence of multiple ethdev per pci device is only with representors.
  * On such case, it is enough to get only one of the ports as they all share
  * the same ibv context.
  *
- * @param pdev
- *   Pointer to the PCI device.
+ * @param dev
+ *   Pointer to the device.
  *
  * @return
  *   Pointer to the ethdev if found, NULL otherwise.
  */
 static struct rte_eth_dev *
-pci_dev_to_eth_dev(struct rte_pci_device *pdev)
+dev_to_eth_dev(struct rte_device *dev)
 {
 	uint16_t port_id;
 
-	port_id = rte_eth_find_next_of(0, &pdev->device);
+	port_id = rte_eth_find_next_of(0, dev);
 	if (port_id == RTE_MAX_ETHPORTS)
 		return NULL;
 	return &rte_eth_devices[port_id];
@@ -245,7 +245,7 @@ mlx5_dma_map(struct rte_pci_device *pdev, void *addr,
 	struct mlx5_priv *priv;
 	struct mlx5_dev_ctx_shared *sh;
 
-	dev = pci_dev_to_eth_dev(pdev);
+	dev = dev_to_eth_dev(&pdev->device);
 	if (!dev) {
 		DRV_LOG(WARNING, "unable to find matching ethdev "
 				 "to PCI device %p", (void *)pdev);
@@ -295,7 +295,7 @@ mlx5_dma_unmap(struct rte_pci_device *pdev, void *addr,
 	struct mlx5_mr *mr;
 	struct mr_cache_entry entry;
 
-	dev = pci_dev_to_eth_dev(pdev);
+	dev = dev_to_eth_dev(&pdev->device);
 	if (!dev) {
 		DRV_LOG(WARNING, "unable to find matching ethdev "
 				 "to PCI device %p", (void *)pdev);
diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
index 7cb8920d6b..6d2351f5a8 100644
--- a/drivers/net/mlx5/mlx5_trigger.c
+++ b/drivers/net/mlx5/mlx5_trigger.c
@@ -697,7 +697,7 @@ mlx5_hairpin_bind_single_port(struct rte_eth_dev *dev, uint16_t rx_port)
 	uint32_t explicit;
 	uint16_t rx_queue;
 
-	if (mlx5_eth_find_next(rx_port, priv->pci_dev) != rx_port) {
+	if (mlx5_eth_find_next(rx_port, dev->device) != rx_port) {
 		rte_errno = ENODEV;
 		DRV_LOG(ERR, "Rx port %u does not belong to mlx5", rx_port);
 		return -rte_errno;
@@ -835,7 +835,7 @@ mlx5_hairpin_unbind_single_port(struct rte_eth_dev *dev, uint16_t rx_port)
 	int ret;
 	uint16_t cur_port = priv->dev_data->port_id;
 
-	if (mlx5_eth_find_next(rx_port, priv->pci_dev) != rx_port) {
+	if (mlx5_eth_find_next(rx_port, dev->device) != rx_port) {
 		rte_errno = ENODEV;
 		DRV_LOG(ERR, "Rx port %u does not belong to mlx5", rx_port);
 		return -rte_errno;
@@ -893,7 +893,6 @@ mlx5_hairpin_bind(struct rte_eth_dev *dev, uint16_t rx_port)
 {
 	int ret = 0;
 	uint16_t p, pp;
-	struct mlx5_priv *priv = dev->data->dev_private;
 
 	/*
 	 * If the Rx port has no hairpin configuration with the current port,
@@ -902,7 +901,7 @@ mlx5_hairpin_bind(struct rte_eth_dev *dev, uint16_t rx_port)
 	 * information updating.
 	 */
 	if (rx_port == RTE_MAX_ETHPORTS) {
-		MLX5_ETH_FOREACH_DEV(p, priv->pci_dev) {
+		MLX5_ETH_FOREACH_DEV(p, dev->device) {
 			ret = mlx5_hairpin_bind_single_port(dev, p);
 			if (ret != 0)
 				goto unbind;
@@ -912,7 +911,7 @@ mlx5_hairpin_bind(struct rte_eth_dev *dev, uint16_t rx_port)
 		return mlx5_hairpin_bind_single_port(dev, rx_port);
 	}
 unbind:
-	MLX5_ETH_FOREACH_DEV(pp, priv->pci_dev)
+	MLX5_ETH_FOREACH_DEV(pp, dev->device)
 		if (pp < p)
 			mlx5_hairpin_unbind_single_port(dev, pp);
 	return ret;
@@ -927,10 +926,9 @@ mlx5_hairpin_unbind(struct rte_eth_dev *dev, uint16_t rx_port)
 {
 	int ret = 0;
 	uint16_t p;
-	struct mlx5_priv *priv = dev->data->dev_private;
 
 	if (rx_port == RTE_MAX_ETHPORTS)
-		MLX5_ETH_FOREACH_DEV(p, priv->pci_dev) {
+		MLX5_ETH_FOREACH_DEV(p, dev->device) {
 			ret = mlx5_hairpin_unbind_single_port(dev, p);
 			if (ret != 0)
 				return ret;
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index 3e5e94444b..11770aeeef 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -16,6 +16,7 @@
 #include <rte_bus_pci.h>
 #include <rte_common.h>
 #include <rte_eal_paging.h>
+#include <rte_bus_pci.h>
 
 #include <mlx5_common.h>
 #include <mlx5_common_mr.h>
@@ -816,7 +817,7 @@ txq_set_params(struct mlx5_txq_ctrl *txq_ctrl)
 	if (config->txqs_inline == MLX5_ARG_UNSET)
 		txqs_inline =
 #if defined(RTE_ARCH_ARM64)
-		(priv->pci_dev->id.device_id ==
+		(priv->pci_dev && priv->pci_dev->id.device_id ==
 			PCI_DEVICE_ID_MELLANOX_CONNECTX5BF) ?
 			MLX5_INLINE_MAX_TXQS_BLUEFIELD :
 #endif
diff --git a/drivers/net/mlx5/windows/mlx5_os.c b/drivers/net/mlx5/windows/mlx5_os.c
index 5da362a9d5..bf20adaa30 100644
--- a/drivers/net/mlx5/windows/mlx5_os.c
+++ b/drivers/net/mlx5/windows/mlx5_os.c
@@ -391,7 +391,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
 	 * Look for sibling devices in order to reuse their switch domain
 	 * if any, otherwise allocate one.
 	 */
-	MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
+	MLX5_ETH_FOREACH_DEV(port_id, NULL) {
 		const struct mlx5_priv *opriv =
 			rte_eth_devices[port_id].data->dev_private;
 
@@ -1080,6 +1080,7 @@ mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 	dev_config.dv_flow_en = 1;
 	dev_config.decap_en = 0;
 	dev_config.log_hp_size = MLX5_ARG_UNSET;
+	list[ns].numa_node = pci_dev->device.numa_node;
 	list[ns].eth_dev = mlx5_dev_spawn(&pci_dev->device,
 					  &list[ns],
 					  &dev_config);
-- 
2.25.1