#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 <rte_bitops.h>
+#include <rte_lcore.h>
+#include <rte_spinlock.h>
+#include <rte_os_shim.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) \
RTE_FMT_HEAD(__VA_ARGS__,), \
RTE_FMT_TAIL(__VA_ARGS__,)))
-/*
- * When debugging is enabled (MLX5_DEBUG not defined), file, line and function
- * information replace the driver name (MLX5_DRIVER_NAME) in log messages.
- */
#ifdef RTE_LIBRTE_MLX5_DEBUG
#define PMD_DRV_LOG__(level, type, name, ...) \
/* claim_zero() does not perform any check when debugging is disabled. */
#ifdef RTE_LIBRTE_MLX5_DEBUG
-#define DEBUG(...) DRV_LOG(DEBUG, __VA_ARGS__)
#define MLX5_ASSERT(exp) RTE_VERIFY(exp)
#define claim_zero(...) MLX5_ASSERT((__VA_ARGS__) == 0)
#define claim_nonzero(...) MLX5_ASSERT((__VA_ARGS__) != 0)
#else /* RTE_LIBRTE_MLX5_DEBUG */
-#define DEBUG(...) (void)0
#define MLX5_ASSERT(exp) RTE_ASSERT(exp)
#define claim_zero(...) (__VA_ARGS__)
#define claim_nonzero(...) (__VA_ARGS__)
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 {
PCI_DEVICE_ID_MELLANOX_CONNECTX6 = 0x101b,
PCI_DEVICE_ID_MELLANOX_CONNECTX6VF = 0x101c,
PCI_DEVICE_ID_MELLANOX_CONNECTX6DX = 0x101d,
- PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF = 0x101e,
+ PCI_DEVICE_ID_MELLANOX_CONNECTXVF = 0x101e,
PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF = 0xa2d6,
PCI_DEVICE_ID_MELLANOX_CONNECTX6LX = 0x101f,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX7 = 0x1021,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX7BF = 0Xa2dc,
};
/* Maximum number of simultaneous unicast MAC addresses. */
MLX5_PHYS_PORT_NAME_TYPE_UPLINK, /* p0, kernel ver >= 5.0 */
MLX5_PHYS_PORT_NAME_TYPE_PFVF, /* pf0vf0, kernel ver >= 5.0 */
MLX5_PHYS_PORT_NAME_TYPE_PFHPF, /* pf0, kernel ver >= 5.7, HPF rep */
+ MLX5_PHYS_PORT_NAME_TYPE_PFSF, /* pf0sf0, kernel ver >= 5.0 */
MLX5_PHYS_PORT_NAME_TYPE_UNKNOWN, /* Unrecognized. */
};
uint32_t master:1; /**< Master device. */
uint32_t representor:1; /**< Representor device. */
enum mlx5_nl_phys_port_name_type name_type; /** < Port name type. */
+ int32_t ctrl_num; /**< Controller number (valid for c#pf#vf# format). */
int32_t pf_num; /**< PF number (valid for pfxvfx format only). */
int32_t port_name; /**< Representor port name. */
uint64_t switch_id; /**< Switch identifier. */
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);
-
-#define MLX5_CLASS_ARG_NAME "class"
+__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,
- MLX5_CLASS_NET = RTE_BIT64(0),
+ MLX5_CLASS_ETH = RTE_BIT64(0),
MLX5_CLASS_VDPA = RTE_BIT64(1),
MLX5_CLASS_REGEX = RTE_BIT64(2),
+ MLX5_CLASS_COMPRESS = RTE_BIT64(3),
+ MLX5_CLASS_CRYPTO = RTE_BIT64(4),
};
#define MLX5_DBR_SIZE RTE_CACHE_LINE_SIZE
-#define MLX5_DBR_PER_PAGE 64
-/* Must be >= CHAR_BIT * sizeof(uint64_t) */
-#define MLX5_DBR_PAGE_SIZE (MLX5_DBR_PER_PAGE * MLX5_DBR_SIZE)
-/* Page size must be >= 512. */
-#define MLX5_DBR_BITMAP_SIZE (MLX5_DBR_PER_PAGE / (CHAR_BIT * sizeof(uint64_t)))
-
-struct mlx5_devx_dbr_page {
- /* Door-bell records, must be first member in structure. */
- uint8_t dbrs[MLX5_DBR_PAGE_SIZE];
- LIST_ENTRY(mlx5_devx_dbr_page) next; /* Pointer to the next element. */
- void *umem;
- uint32_t dbr_count; /* Number of door-bell records in use. */
- /* 1 bit marks matching door-bell is in use. */
- uint64_t dbr_bitmap[MLX5_DBR_BITMAP_SIZE];
-};
/* devX creation object */
struct mlx5_devx_obj {
uint64_t address;
};
-LIST_HEAD(mlx5_dbr_page_list, mlx5_devx_dbr_page);
-
__rte_internal
void mlx5_translate_port_name(const char *port_name_in,
struct mlx5_switch_info *port_info_out);
void mlx5_glue_constructor(void);
__rte_internal
-int64_t mlx5_get_dbr(void *ctx, struct mlx5_dbr_page_list *head,
- struct mlx5_devx_dbr_page **dbr_page);
-__rte_internal
-int32_t mlx5_release_dbr(struct mlx5_dbr_page_list *head, uint32_t umem_id,
- uint64_t offset);
+void *mlx5_devx_alloc_uar(void *ctx, int mapping);
extern uint8_t haswell_broadwell_cpu;
__rte_internal
void mlx5_common_init(void);
+/*
+ * Common Driver Interface
+ *
+ * ConnectX common driver supports multiple classes: net, vDPA, regex, crypto
+ * and compress devices. This layer enables creating such multiple classes
+ * on a single device by allowing to bind multiple class-specific device
+ * drivers to attach to the common driver.
+ *
+ * ------------ ------------- -------------- ----------------- ------------
+ * | mlx5 net | | mlx5 vdpa | | mlx5 regex | | mlx5 compress | | mlx5 ... |
+ * | driver | | driver | | driver | | driver | | drivers |
+ * ------------ ------------- -------------- ----------------- ------------
+ * ||
+ * -----------------
+ * | mlx5 |
+ * | common driver |
+ * -----------------
+ * | |
+ * ----------- -----------------
+ * | mlx5 | | mlx5 |
+ * | pci dev | | auxiliary dev |
+ * ----------- -----------------
+ *
+ * - mlx5 PCI bus driver binds to mlx5 PCI devices defined by PCI ID table
+ * of all related devices.
+ * - mlx5 class driver such as net, vDPA, regex defines its specific
+ * PCI ID table and mlx5 bus driver probes matching class drivers.
+ * - mlx5 common driver is central place that validates supported
+ * class combinations.
+ * - mlx5 common driver hides bus difference by resolving device address
+ * from devargs, locating target RDMA device and probing with it.
+ */
+
+/*
+ * Device configuration structure.
+ *
+ * Merged configuration from:
+ *
+ * - Device capabilities,
+ * - User device parameters disabled features.
+ */
+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. */
+};
+
+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. */
+};
+
+/**
+ * Initialization function for the driver called during device probing.
+ */
+typedef int (mlx5_class_driver_probe_t)(struct mlx5_common_device *dev);
+
+/**
+ * Uninitialization function for the driver called during hot-unplugging.
+ */
+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
+
+/**
+ * A structure describing a mlx5 common class driver.
+ */
+struct mlx5_class_driver {
+ TAILQ_ENTRY(mlx5_class_driver) next;
+ enum mlx5_class drv_class; /**< Class of this driver. */
+ const char *name; /**< Driver name. */
+ mlx5_class_driver_probe_t *probe; /**< Device probe function. */
+ mlx5_class_driver_remove_t *remove; /**< Device remove 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. */
+ uint32_t intr_lsc:1; /**< Supports link state interrupt. */
+ uint32_t intr_rmv:1; /**< Supports device remove interrupt. */
+};
+
+/**
+ * Register a mlx5 device driver.
+ *
+ * @param driver
+ * A pointer to a mlx5_driver structure describing the driver
+ * to be registered.
+ */
+__rte_internal
+void
+mlx5_class_driver_register(struct mlx5_class_driver *driver);
+
+/**
+ * Test device is a PCI bus device.
+ *
+ * @param dev
+ * Pointer to device.
+ *
+ * @return
+ * - True on device devargs is a PCI bus device.
+ * - False otherwise.
+ */
+__rte_internal
+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