#include <rte_ethdev.h>
#include <rte_kvargs.h>
+#include <rte_spinlock.h>
+
+#include "efx.h"
#ifdef __cplusplus
extern "C" {
#define SFC_DEV_TO_PCI(eth_dev) \
RTE_DEV_TO_PCI((eth_dev)->device)
+/*
+ * +---------------+
+ * | UNINITIALIZED |<-----------+
+ * +---------------+ |
+ * |.eth_dev_init |.eth_dev_uninit
+ * V |
+ * +---------------+------------+
+ * | INITIALIZED |
+ * +---------------+<-----------+
+ * |.dev_configure |
+ * V |
+ * +---------------+ |
+ * | CONFIGURING |------------^
+ * +---------------+ failed |
+ * |success |
+ * | +---------------+
+ * | | CLOSING |
+ * | +---------------+
+ * | ^
+ * V |.dev_close
+ * +---------------+------------+
+ * | CONFIGURED |
+ * +---------------+<-----------+
+ * |.dev_start |
+ * V |
+ * +---------------+ |
+ * | STARTING |------------^
+ * +---------------+ failed |
+ * |success |
+ * | +---------------+
+ * | | STOPPING |
+ * | +---------------+
+ * | ^
+ * V |.dev_stop
+ * +---------------+------------+
+ * | STARTED |
+ * +---------------+
+ */
+enum sfc_adapter_state {
+ SFC_ADAPTER_UNINITIALIZED = 0,
+ SFC_ADAPTER_INITIALIZED,
+ SFC_ADAPTER_CONFIGURING,
+ SFC_ADAPTER_CONFIGURED,
+ SFC_ADAPTER_CLOSING,
+ SFC_ADAPTER_STARTING,
+ SFC_ADAPTER_STARTED,
+ SFC_ADAPTER_STOPPING,
+
+ SFC_ADAPTER_NSTATES
+};
+
+enum sfc_mcdi_state {
+ SFC_MCDI_UNINITIALIZED = 0,
+ SFC_MCDI_INITIALIZED,
+ SFC_MCDI_BUSY,
+ SFC_MCDI_COMPLETED,
+
+ SFC_MCDI_NSTATES
+};
+
+struct sfc_mcdi {
+ rte_spinlock_t lock;
+ efsys_mem_t mem;
+ enum sfc_mcdi_state state;
+ efx_mcdi_transport_t transport;
+};
+
+struct sfc_intr {
+ efx_intr_type_t type;
+};
+
+struct sfc_evq_info;
+struct sfc_rxq_info;
+
+struct sfc_port {
+ unsigned int flow_ctrl;
+ boolean_t flow_ctrl_autoneg;
+ size_t pdu;
+};
+
/* Adapter private data */
struct sfc_adapter {
+ /*
+ * PMD setup and configuration is not thread safe. Since it is not
+ * performance sensitive, it is better to guarantee thread-safety
+ * and add device level lock. Adapter control operations which
+ * change its state should acquire the lock.
+ */
+ rte_spinlock_t lock;
+ enum sfc_adapter_state state;
struct rte_eth_dev *eth_dev;
struct rte_kvargs *kvargs;
bool debug_init;
+ int socket_id;
+ efsys_bar_t mem_bar;
+ efx_family_t family;
+ efx_nic_t *nic;
+ rte_spinlock_t nic_lock;
+
+ struct sfc_mcdi mcdi;
+ struct sfc_intr intr;
+ struct sfc_port port;
+
+ unsigned int rxq_max;
+ unsigned int txq_max;
+
+ unsigned int evq_count;
+ struct sfc_evq_info *evq_info;
+
+ unsigned int mgmt_evq_index;
+ rte_spinlock_t mgmt_evq_lock;
+
+ unsigned int rxq_count;
+ struct sfc_rxq_info *rxq_info;
};
+/*
+ * Add wrapper functions to acquire/release lock to be able to remove or
+ * change the lock in one place.
+ */
+
+static inline void
+sfc_adapter_lock_init(struct sfc_adapter *sa)
+{
+ rte_spinlock_init(&sa->lock);
+}
+
+static inline int
+sfc_adapter_is_locked(struct sfc_adapter *sa)
+{
+ return rte_spinlock_is_locked(&sa->lock);
+}
+
+static inline void
+sfc_adapter_lock(struct sfc_adapter *sa)
+{
+ rte_spinlock_lock(&sa->lock);
+}
+
+static inline void
+sfc_adapter_unlock(struct sfc_adapter *sa)
+{
+ rte_spinlock_unlock(&sa->lock);
+}
+
+static inline void
+sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
+{
+ /* Just for symmetry of the API */
+}
+
+int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
+ size_t len, int socket_id, efsys_mem_t *esmp);
+void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
+
+int sfc_attach(struct sfc_adapter *sa);
+void sfc_detach(struct sfc_adapter *sa);
+int sfc_start(struct sfc_adapter *sa);
+void sfc_stop(struct sfc_adapter *sa);
+
+int sfc_mcdi_init(struct sfc_adapter *sa);
+void sfc_mcdi_fini(struct sfc_adapter *sa);
+
+int sfc_configure(struct sfc_adapter *sa);
+void sfc_close(struct sfc_adapter *sa);
+
+int sfc_intr_attach(struct sfc_adapter *sa);
+void sfc_intr_detach(struct sfc_adapter *sa);
+int sfc_intr_init(struct sfc_adapter *sa);
+void sfc_intr_fini(struct sfc_adapter *sa);
+int sfc_intr_start(struct sfc_adapter *sa);
+void sfc_intr_stop(struct sfc_adapter *sa);
+
+int sfc_port_init(struct sfc_adapter *sa);
+void sfc_port_fini(struct sfc_adapter *sa);
+int sfc_port_start(struct sfc_adapter *sa);
+void sfc_port_stop(struct sfc_adapter *sa);
+void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
+ struct rte_eth_link *link_info);
+
+
#ifdef __cplusplus
}
#endif