[dpdk-dev] [PATCH v8 09/10] common/mlx5: register class drivers through common layer

[Parav Pandit <parav@mellanox.com>]

Migrate mlx5 net, vdpa and regex PMD to start using mlx5 common class
driver.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>
---
Changelog:
v7->v8:
 - Extended support for newly added mlx5 regex driver
---
 drivers/common/mlx5/mlx5_common_pci.c |  6 ++----
 drivers/net/mlx5/Makefile             |  1 -
 drivers/net/mlx5/linux/mlx5_os.c      |  1 -
 drivers/net/mlx5/mlx5.c               | 24 ++++++++++++++----------
 drivers/net/mlx5/mlx5.h               |  1 -
 drivers/regex/mlx5/meson.build        |  2 +-
 drivers/regex/mlx5/mlx5_regex.c       | 21 ++++++++++++---------
 drivers/vdpa/mlx5/Makefile            |  3 ++-
 drivers/vdpa/mlx5/meson.build         |  2 +-
 drivers/vdpa/mlx5/mlx5_vdpa.c         | 23 +++++++++++++----------
 10 files changed, 45 insertions(+), 39 deletions(-)

diff --git a/drivers/common/mlx5/mlx5_common_pci.c b/drivers/common/mlx5/mlx5_common_pci.c
index b42f7469f..08c8a5538 100644
--- a/drivers/common/mlx5/mlx5_common_pci.c
+++ b/drivers/common/mlx5/mlx5_common_pci.c
@@ -34,10 +34,8 @@ static const unsigned int mlx5_class_combinations[] = {
 	MLX5_CLASS_NET,
 	MLX5_CLASS_VDPA,
 	MLX5_CLASS_REGEX,
-	/* New class combination should be added here.
-	 * For example a new multi class device combination
-	 * can be MLX5_CLASS_FOO | MLX5_CLASS_BAR.
-	 */
+	MLX5_CLASS_NET | MLX5_CLASS_REGEX,
+	/* New class combination should be added here. */
 };
 
 static int
diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile
index 253faf909..568c77241 100644
--- a/drivers/net/mlx5/Makefile
+++ b/drivers/net/mlx5/Makefile
@@ -55,7 +55,6 @@ LDLIBS += -lrte_common_mlx5
 LDLIBS += -lm
 LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
 LDLIBS += -lrte_ethdev -lrte_net -lrte_kvargs
-LDLIBS += -lrte_bus_pci
 
 # A few warnings cannot be avoided in external headers.
 CFLAGS += -Wno-error=cast-qual
diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c
index fa3b02787..97d7b0e7b 100644
--- a/drivers/net/mlx5/linux/mlx5_os.c
+++ b/drivers/net/mlx5/linux/mlx5_os.c
@@ -1537,7 +1537,6 @@ mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 			strerror(rte_errno));
 		return -rte_errno;
 	}
-	MLX5_ASSERT(pci_drv == &mlx5_driver);
 	errno = 0;
 	ibv_list = mlx5_glue->get_device_list(&ret);
 	if (!ibv_list) {
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 037703d2e..1e4c695f8 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -30,6 +30,7 @@
 #include <mlx5_common.h>
 #include <mlx5_common_os.h>
 #include <mlx5_common_mp.h>
+#include <mlx5_common_pci.h>
 #include <mlx5_malloc.h>
 
 #include "mlx5_defs.h"
@@ -2091,16 +2092,19 @@ static const struct rte_pci_id mlx5_pci_id_map[] = {
 	}
 };
 
-struct rte_pci_driver mlx5_driver = {
-	.driver = {
-		.name = MLX5_DRIVER_NAME
+static struct mlx5_pci_driver mlx5_driver = {
+	.driver_class = MLX5_CLASS_NET,
+	.pci_driver = {
+		.driver = {
+			.name = MLX5_DRIVER_NAME,
+		},
+		.id_table = mlx5_pci_id_map,
+		.probe = mlx5_os_pci_probe,
+		.remove = mlx5_pci_remove,
+		.dma_map = mlx5_dma_map,
+		.dma_unmap = mlx5_dma_unmap,
+		.drv_flags = PCI_DRV_FLAGS,
 	},
-	.id_table = mlx5_pci_id_map,
-	.probe = mlx5_os_pci_probe,
-	.remove = mlx5_pci_remove,
-	.dma_map = mlx5_dma_map,
-	.dma_unmap = mlx5_dma_unmap,
-	.drv_flags = PCI_DRV_FLAGS,
 };
 
 /* Initialize driver log type. */
@@ -2117,7 +2121,7 @@ RTE_INIT(rte_mlx5_pmd_init)
 	mlx5_set_cksum_table();
 	mlx5_set_swp_types_table();
 	if (mlx5_glue)
-		rte_pci_register(&mlx5_driver);
+		mlx5_pci_driver_register(&mlx5_driver);
 }
 
 RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index a92194d2d..78d6eb728 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -119,7 +119,6 @@ struct mlx5_local_data {
 };
 
 extern struct mlx5_shared_data *mlx5_shared_data;
-extern struct rte_pci_driver mlx5_driver;
 
 /* Dev ops structs */
 extern const struct eth_dev_ops mlx5_os_dev_ops;
diff --git a/drivers/regex/mlx5/meson.build b/drivers/regex/mlx5/meson.build
index 7f800f2e3..d7cb2c572 100644
--- a/drivers/regex/mlx5/meson.build
+++ b/drivers/regex/mlx5/meson.build
@@ -8,7 +8,7 @@ if not is_linux
 endif
 
 fmt_name = 'mlx5_regex'
-deps += ['common_mlx5', 'bus_pci', 'eal', 'regexdev']
+deps += ['common_mlx5', 'eal', 'regexdev']
 sources = files(
 	'mlx5_regex.c',
 	'mlx5_rxp.c',
diff --git a/drivers/regex/mlx5/mlx5_regex.c b/drivers/regex/mlx5/mlx5_regex.c
index 4e0367052..ae9f00189 100644
--- a/drivers/regex/mlx5/mlx5_regex.c
+++ b/drivers/regex/mlx5/mlx5_regex.c
@@ -5,12 +5,12 @@
 #include <rte_malloc.h>
 #include <rte_log.h>
 #include <rte_errno.h>
-#include <rte_bus_pci.h>
 #include <rte_pci.h>
 #include <rte_regexdev.h>
 #include <rte_regexdev_core.h>
 #include <rte_regexdev_driver.h>
 
+#include <mlx5_common_pci.h>
 #include <mlx5_glue.h>
 #include <mlx5_devx_cmds.h>
 #include <mlx5_prm.h>
@@ -246,21 +246,24 @@ static const struct rte_pci_id mlx5_regex_pci_id_map[] = {
 	}
 };
 
-static struct rte_pci_driver mlx5_regex_driver = {
-	.driver = {
-		.name = "mlx5_regex",
+static struct mlx5_pci_driver mlx5_regex_driver = {
+	.driver_class = MLX5_CLASS_REGEX,
+	.pci_driver = {
+		.driver = {
+			.name = "mlx5_regex",
+		},
+		.id_table = mlx5_regex_pci_id_map,
+		.probe = mlx5_regex_pci_probe,
+		.remove = mlx5_regex_pci_remove,
+		.drv_flags = 0,
 	},
-	.id_table = mlx5_regex_pci_id_map,
-	.probe = mlx5_regex_pci_probe,
-	.remove = mlx5_regex_pci_remove,
-	.drv_flags = 0,
 };
 
 RTE_INIT(rte_mlx5_regex_init)
 {
 	mlx5_common_init();
 	if (mlx5_glue)
-		rte_pci_register(&mlx5_regex_driver);
+		mlx5_pci_driver_register(&mlx5_regex_driver);
 }
 
 RTE_LOG_REGISTER(mlx5_regex_logtype, pmd.regex.mlx5, NOTICE)
diff --git a/drivers/vdpa/mlx5/Makefile b/drivers/vdpa/mlx5/Makefile
index 8a1c2eab5..1cbbcecf8 100644
--- a/drivers/vdpa/mlx5/Makefile
+++ b/drivers/vdpa/mlx5/Makefile
@@ -24,13 +24,14 @@ CFLAGS += -I$(RTE_SDK)/drivers/common/mlx5/linux
 CFLAGS += -I$(RTE_SDK)/drivers/net/mlx5_vdpa
 CFLAGS += -I$(RTE_SDK)/lib/librte_sched
 CFLAGS += -I$(BUILDDIR)/drivers/common/mlx5
+CFLAGS += -I$(RTE_SDK)/drivers/bus/mlx5_pci
 CFLAGS += -D_BSD_SOURCE
 CFLAGS += -D_DEFAULT_SOURCE
 CFLAGS += -D_XOPEN_SOURCE=600
 CFLAGS += $(WERROR_FLAGS)
 CFLAGS += -Wno-strict-prototypes
 LDLIBS += -lrte_common_mlx5
-LDLIBS += -lrte_eal -lrte_vhost -lrte_kvargs -lrte_pci -lrte_bus_pci -lrte_sched
+LDLIBS += -lrte_eal -lrte_vhost -lrte_kvargs -lrte_pci -lrte_sched
 LDLIBS += -pthread
 
 # A few warnings cannot be avoided in external headers.
diff --git a/drivers/vdpa/mlx5/meson.build b/drivers/vdpa/mlx5/meson.build
index 2963aad71..254a8ec14 100644
--- a/drivers/vdpa/mlx5/meson.build
+++ b/drivers/vdpa/mlx5/meson.build
@@ -8,7 +8,7 @@ if not is_linux
 endif
 
 fmt_name = 'mlx5_vdpa'
-deps += ['hash', 'common_mlx5', 'vhost', 'pci', 'bus_pci', 'eal', 'sched']
+deps += ['hash', 'common_mlx5', 'vhost', 'pci', 'eal', 'sched']
 sources = files(
 	'mlx5_vdpa.c',
 	'mlx5_vdpa_mem.c',
diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.c b/drivers/vdpa/mlx5/mlx5_vdpa.c
index 85dbcf956..ffe2f00ac 100644
--- a/drivers/vdpa/mlx5/mlx5_vdpa.c
+++ b/drivers/vdpa/mlx5/mlx5_vdpa.c
@@ -11,12 +11,12 @@
 #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 <mlx5_glue.h>
 #include <mlx5_common.h>
+#include <mlx5_common_pci.h>
 #include <mlx5_devx_cmds.h>
 #include <mlx5_prm.h>
 #include <mlx5_nl.h>
@@ -657,7 +657,7 @@ mlx5_vdpa_config_get(struct rte_devargs *devargs, struct mlx5_vdpa_priv *priv)
 }
 
 /**
- * DPDK callback to register a PCI device.
+ * DPDK callback to register a mlx5 PCI device.
  *
  * This function spawns vdpa device out of a given PCI device.
  *
@@ -829,14 +829,17 @@ static const struct rte_pci_id mlx5_vdpa_pci_id_map[] = {
 	}
 };
 
-static struct rte_pci_driver mlx5_vdpa_driver = {
-	.driver = {
-		.name = "mlx5_vdpa",
+static struct mlx5_pci_driver mlx5_vdpa_driver = {
+	.driver_class = MLX5_CLASS_VDPA,
+	.pci_driver = {
+		.driver = {
+			.name = "mlx5_vdpa",
+		},
+		.id_table = mlx5_vdpa_pci_id_map,
+		.probe = mlx5_vdpa_pci_probe,
+		.remove = mlx5_vdpa_pci_remove,
+		.drv_flags = 0,
 	},
-	.id_table = mlx5_vdpa_pci_id_map,
-	.probe = mlx5_vdpa_pci_probe,
-	.remove = mlx5_vdpa_pci_remove,
-	.drv_flags = 0,
 };
 
 RTE_LOG_REGISTER(mlx5_vdpa_logtype, pmd.vdpa.mlx5, NOTICE)
@@ -848,7 +851,7 @@ RTE_INIT(rte_mlx5_vdpa_init)
 {
 	mlx5_common_init();
 	if (mlx5_glue)
-		rte_pci_register(&mlx5_vdpa_driver);
+		mlx5_pci_driver_register(&mlx5_vdpa_driver);
 }
 
 RTE_PMD_EXPORT_NAME(net_mlx5_vdpa, __COUNTER__);
-- 
2.25.4