From: Ophir Munk <ophi...@nvidia.com>
This commit implements mlx5_os_open_device() API. It calls glue API
open_device() then glue API query_device() to fill in 'struct
mlx5_context' with data for later usage.
Signed-off-by: Ophir Munk <ophi...@nvidia.com>
Signed-off-by: Tal Shnaiderman <tal...@nvidia.com>
Acked-by: Matan Azrad <ma...@nvidia.com>
---
drivers/net/mlx5/windows/mlx5_os.c | 44 ++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/drivers/net/mlx5/windows/mlx5_os.c
b/drivers/net/mlx5/windows/mlx5_os.c
index 01d66cc855..14bd5bf39a 100644
--- a/drivers/net/mlx5/windows/mlx5_os.c
+++ b/drivers/net/mlx5/windows/mlx5_os.c
@@ -103,6 +103,50 @@ mlx5_os_set_nonblock_channel_fd(int fd)
return -ENOTSUP;
}
+/**
+ * Function API open device under Windows
+ *
+ * This function calls the Windows glue APIs to open a device.
+ *
+ * @param[in] spawn
+ * Pointer to the device attributes (name, port, etc).
+ * @param[out] config
+ * Pointer to device configuration structure.
+ * @param[out] sh
+ * Pointer to shared context structure.
+ *
+ * @return
+ * 0 on success, a positive error value otherwise.
+ */
+int
+mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
+ const struct mlx5_dev_config *config,
+ struct mlx5_dev_ctx_shared *sh)
+{
+ RTE_SET_USED(config);
+ int err = 0;
+ struct mlx5_context *mlx5_ctx;
+
+ pthread_mutex_init(&sh->txpp.mutex, NULL);
+ /* Set numa node from pci probe */
+ sh->numa_node = spawn->pci_dev->device.numa_node;
+
+ /* Try to open device with DevX */
+ rte_errno = 0;
+ sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
+ if (!sh->ctx) {
+ DRV_LOG(ERR, "open_device failed");
+ err = errno;
+ return err;
+ }
+ sh->devx = 1;
+ mlx5_ctx = (struct mlx5_context *)sh->ctx;
+ err = mlx5_glue->query_device(spawn->phys_dev, &mlx5_ctx->mlx5_dev);
+ if (err)
+ DRV_LOG(ERR, "Failed to query device context fields.");
+ return err;
+}
+
/**
* This function should share events between multiple ports of single IB
* device. Currently it has no support under Windows.
--
2.16.1.windows.4
