#include <rte_pci.h>
#include <rte_debug.h>
#include <rte_atomic.h>
+#include <rte_rwlock.h>
#include <rte_log.h>
#include <rte_kvargs.h>
#include <rte_devargs.h>
#include "mlx5_prm.h"
#include "mlx5_devx_cmds.h"
#include "mlx5_common_os.h"
+#include "mlx5_common_mr.h"
/* Reported driver name. */
#define MLX5_PCI_DRIVER_NAME "mlx5_pci"
+#define MLX5_AUXILIARY_DRIVER_NAME "mlx5_auxiliary"
/* Bit-field manipulation. */
#define BITFIELD_DECLARE(bf, type, size) \
int mkstr_size_##name = snprintf(NULL, 0, "" __VA_ARGS__); \
char name[mkstr_size_##name + 1]; \
\
+ memset(name, 0, mkstr_size_##name + 1); \
snprintf(name, sizeof(name), "" __VA_ARGS__)
enum {
return MLX5_CQE_STATUS_SW_OWN;
}
+/*
+ * Get PCI address <DBDF> string from EAL device.
+ *
+ * @param[out] addr
+ * The output address buffer string
+ * @param[in] size
+ * The output buffer size
+ * @return
+ * - 0 on success.
+ * - Negative value and rte_errno is set otherwise.
+ */
+int mlx5_dev_to_pci_str(const struct rte_device *dev, char *addr, size_t size);
+
+/*
+ * Get PCI address from sysfs of a PCI-related device.
+ *
+ * @param[in] dev_path
+ * The sysfs path should not point to the direct plain PCI device.
+ * Instead, the node "/device/" is used to access the real device.
+ * @param[out] pci_addr
+ * Parsed PCI address.
+ *
+ * @return
+ * - 0 on success.
+ * - Negative value and rte_errno is set otherwise.
+ */
__rte_internal
-int mlx5_dev_to_pci_addr(const char *dev_path, struct rte_pci_addr *pci_addr);
+int mlx5_get_pci_addr(const char *dev_path, struct rte_pci_addr *pci_addr);
+
+/*
+ * Get kernel network interface name from sysfs IB device path.
+ *
+ * @param[in] ibdev_path
+ * The sysfs path to IB device.
+ * @param[out] ifname
+ * Interface name output of size IF_NAMESIZE.
+ *
+ * @return
+ * - 0 on success.
+ * - Negative value and rte_errno is set otherwise.
+ */
__rte_internal
int mlx5_get_ifname_sysfs(const char *ibdev_path, char *ifname);
+__rte_internal
+int mlx5_auxiliary_get_child_name(const char *dev, const char *node,
+ char *child, size_t size);
enum mlx5_class {
MLX5_CLASS_INVALID,
* from devargs, locating target RDMA device and probing with it.
*/
-/**
- * Initialization function for the driver called during device probing.
+/*
+ * Device configuration structure.
+ *
+ * Merged configuration from:
+ *
+ * - Device capabilities,
+ * - User device parameters disabled features.
*/
-typedef int (mlx5_class_driver_probe_t)(struct rte_device *dev);
+struct mlx5_common_dev_config {
+ struct mlx5_hca_attr hca_attr; /* HCA attributes. */
+ int dbnc; /* Skip doorbell register write barrier. */
+ unsigned int devx:1; /* Whether devx interface is available or not. */
+ unsigned int sys_mem_en:1; /* The default memory allocator. */
+ unsigned int mr_mempool_reg_en:1;
+ /* Allow/prevent implicit mempool memory registration. */
+ unsigned int mr_ext_memseg_en:1;
+ /* Whether memseg should be extended for MR creation. */
+};
-/**
- * Uninitialization function for the driver called during hot-unplugging.
- */
-typedef int (mlx5_class_driver_remove_t)(struct rte_device *dev);
+struct mlx5_common_device {
+ struct rte_device *dev;
+ TAILQ_ENTRY(mlx5_common_device) next;
+ uint32_t classes_loaded;
+ void *ctx; /* Verbs/DV/DevX context. */
+ void *pd; /* Protection Domain. */
+ uint32_t pdn; /* Protection Domain Number. */
+ struct mlx5_mr_share_cache mr_scache; /* Global shared MR cache. */
+ struct mlx5_common_dev_config config; /* Device configuration. */
+};
/**
- * Driver-specific DMA mapping. After a successful call the device
- * will be able to read/write from/to this segment.
- *
- * @param dev
- * Pointer to the device.
- * @param addr
- * Starting virtual address of memory to be mapped.
- * @param iova
- * Starting IOVA address of memory to be mapped.
- * @param len
- * Length of memory segment being mapped.
- * @return
- * - 0 On success.
- * - Negative value and rte_errno is set otherwise.
+ * Initialization function for the driver called during device probing.
*/
-typedef int (mlx5_class_driver_dma_map_t)(struct rte_device *dev, void *addr,
- uint64_t iova, size_t len);
+typedef int (mlx5_class_driver_probe_t)(struct mlx5_common_device *dev);
/**
- * Driver-specific DMA un-mapping. After a successful call the device
- * will not be able to read/write from/to this segment.
- *
- * @param dev
- * Pointer to the device.
- * @param addr
- * Starting virtual address of memory to be unmapped.
- * @param iova
- * Starting IOVA address of memory to be unmapped.
- * @param len
- * Length of memory segment being unmapped.
- * @return
- * - 0 On success.
- * - Negative value and rte_errno is set otherwise.
+ * Uninitialization function for the driver called during hot-unplugging.
*/
-typedef int (mlx5_class_driver_dma_unmap_t)(struct rte_device *dev, void *addr,
- uint64_t iova, size_t len);
+typedef int (mlx5_class_driver_remove_t)(struct mlx5_common_device *dev);
/** Device already probed can be probed again to check for new ports. */
#define MLX5_DRV_PROBE_AGAIN 0x0004
const char *name; /**< Driver name. */
mlx5_class_driver_probe_t *probe; /**< Device probe function. */
mlx5_class_driver_remove_t *remove; /**< Device remove function. */
- mlx5_class_driver_dma_map_t *dma_map; /**< Device DMA map function. */
- mlx5_class_driver_dma_unmap_t *dma_unmap;
- /**< Device DMA unmap function. */
const struct rte_pci_id *id_table; /**< ID table, NULL terminated. */
uint32_t probe_again:1;
/**< Device already probed can be probed again to check new device. */
bool
mlx5_dev_is_pci(const struct rte_device *dev);
+__rte_internal
+int
+mlx5_dev_mempool_subscribe(struct mlx5_common_device *cdev);
+
+__rte_internal
+void
+mlx5_dev_mempool_unregister(struct mlx5_common_device *cdev,
+ struct rte_mempool *mp);
+
+/* mlx5_common_mr.c */
+
+__rte_internal
+uint32_t
+mlx5_mr_mb2mr(struct mlx5_common_device *cdev, struct mlx5_mp_id *mp_id,
+ struct mlx5_mr_ctrl *mr_ctrl, struct rte_mbuf *mbuf);
+
+/* mlx5_common_os.c */
+
+int mlx5_os_open_device(struct mlx5_common_device *cdev, uint32_t classes);
+int mlx5_os_pd_create(struct mlx5_common_device *cdev);
+
#endif /* RTE_PMD_MLX5_COMMON_H_ */
git.droids-corp.org / dpdk.git / blobdiff