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/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2019-2021 Xilinx, Inc.
* Copyright(c) 2018-2019 Solarflare Communications Inc.
*/
#ifndef _SYS_RHEAD_IMPL_H
#define _SYS_RHEAD_IMPL_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Riverhead requires physically contiguous event rings (so, just one
* DMA address is sufficient to represent it), but MCDI interface is still
* in terms of 4k size 4k-aligned DMA buffers.
*/
#define RHEAD_EVQ_MAXNBUFS 32
#define RHEAD_EVQ_MAXNEVS 16384
#define RHEAD_EVQ_MINNEVS 256
#define RHEAD_RXQ_MAXNDESCS 16384
#define RHEAD_RXQ_MINNDESCS 256
#define RHEAD_TXQ_MAXNDESCS 16384
#define RHEAD_TXQ_MINNDESCS 256
#define RHEAD_EVQ_DESC_SIZE (sizeof (efx_qword_t))
#define RHEAD_RXQ_DESC_SIZE (sizeof (efx_qword_t))
#define RHEAD_TXQ_DESC_SIZE (sizeof (efx_oword_t))
#if EFSYS_OPT_EV_EXTENDED_WIDTH
#define RHEAD_EVQ_EW_DESC_SIZE (sizeof (efx_xword_t))
#endif
/* NIC */
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_board_cfg(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_probe(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_set_drv_limits(
__inout efx_nic_t *enp,
__in efx_drv_limits_t *edlp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_get_vi_pool(
__in efx_nic_t *enp,
__out uint32_t *vi_countp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_get_bar_region(
__in efx_nic_t *enp,
__in efx_nic_region_t region,
__out uint32_t *offsetp,
__out size_t *sizep);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_reset(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_init(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern __checkReturn boolean_t
rhead_nic_hw_unavailable(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_nic_set_hw_unavailable(
__in efx_nic_t *enp);
#if EFSYS_OPT_DIAG
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_register_test(
__in efx_nic_t *enp);
#endif /* EFSYS_OPT_DIAG */
LIBEFX_INTERNAL
extern void
rhead_nic_fini(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_nic_unprobe(
__in efx_nic_t *enp);
/* EV */
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_ev_init(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_ev_fini(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_ev_qcreate(
__in efx_nic_t *enp,
__in unsigned int index,
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in uint32_t us,
__in uint32_t flags,
__in uint32_t irq,
__in efx_evq_t *eep);
LIBEFX_INTERNAL
extern void
rhead_ev_qdestroy(
__in efx_evq_t *eep);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_ev_qprime(
__in efx_evq_t *eep,
__in unsigned int count);
LIBEFX_INTERNAL
extern void
rhead_ev_qpost(
__in efx_evq_t *eep,
__in uint16_t data);
LIBEFX_INTERNAL
extern void
rhead_ev_qpoll(
__in efx_evq_t *eep,
__inout unsigned int *countp,
__in const efx_ev_callbacks_t *eecp,
__in_opt void *arg);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_ev_qmoderate(
__in efx_evq_t *eep,
__in unsigned int us);
#if EFSYS_OPT_QSTATS
LIBEFX_INTERNAL
extern void
rhead_ev_qstats_update(
__in efx_evq_t *eep,
__inout_ecount(EV_NQSTATS) efsys_stat_t *stat);
#endif /* EFSYS_OPT_QSTATS */
/* INTR */
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_intr_init(
__in efx_nic_t *enp,
__in efx_intr_type_t type,
__in efsys_mem_t *esmp);
LIBEFX_INTERNAL
extern void
rhead_intr_enable(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_intr_disable(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_intr_disable_unlocked(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_intr_trigger(
__in efx_nic_t *enp,
__in unsigned int level);
LIBEFX_INTERNAL
extern void
rhead_intr_status_line(
__in efx_nic_t *enp,
__out boolean_t *fatalp,
__out uint32_t *qmaskp);
LIBEFX_INTERNAL
extern void
rhead_intr_status_message(
__in efx_nic_t *enp,
__in unsigned int message,
__out boolean_t *fatalp);
LIBEFX_INTERNAL
extern void
rhead_intr_fatal(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_intr_fini(
__in efx_nic_t *enp);
/* RX */
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_init(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_rx_fini(
__in efx_nic_t *enp);
#if EFSYS_OPT_RX_SCATTER
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_scatter_enable(
__in efx_nic_t *enp,
__in unsigned int buf_size);
#endif /* EFSYS_OPT_RX_SCATTER */
#if EFSYS_OPT_RX_SCALE
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_scale_context_alloc(
__in efx_nic_t *enp,
__in efx_rx_scale_context_type_t type,
__in uint32_t num_queues,
__in uint32_t table_nentries,
__out uint32_t *rss_contextp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_scale_context_free(
__in efx_nic_t *enp,
__in uint32_t rss_context);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_scale_mode_set(
__in efx_nic_t *enp,
__in uint32_t rss_context,
__in efx_rx_hash_alg_t alg,
__in efx_rx_hash_type_t type,
__in boolean_t insert);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_scale_key_set(
__in efx_nic_t *enp,
__in uint32_t rss_context,
__in_ecount(n) uint8_t *key,
__in size_t n);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_scale_tbl_set(
__in efx_nic_t *enp,
__in uint32_t rss_context,
__in_ecount(nentries) unsigned int *table,
__in size_t nentries);
LIBEFX_INTERNAL
extern __checkReturn uint32_t
rhead_rx_prefix_hash(
__in efx_nic_t *enp,
__in efx_rx_hash_alg_t func,
__in uint8_t *buffer);
#endif /* EFSYS_OPT_RX_SCALE */
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_prefix_pktlen(
__in efx_nic_t *enp,
__in uint8_t *buffer,
__out uint16_t *lengthp);
LIBEFX_INTERNAL
extern void
rhead_rx_qpost(
__in efx_rxq_t *erp,
__in_ecount(ndescs) efsys_dma_addr_t *addrp,
__in size_t size,
__in unsigned int ndescs,
__in unsigned int completed,
__in unsigned int added);
LIBEFX_INTERNAL
extern void
rhead_rx_qpush(
__in efx_rxq_t *erp,
__in unsigned int added,
__inout unsigned int *pushedp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_qflush(
__in efx_rxq_t *erp);
LIBEFX_INTERNAL
extern void
rhead_rx_qenable(
__in efx_rxq_t *erp);
union efx_rxq_type_data_u;
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_rx_qcreate(
__in efx_nic_t *enp,
__in unsigned int index,
__in unsigned int label,
__in efx_rxq_type_t type,
__in const union efx_rxq_type_data_u *type_data,
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in unsigned int flags,
__in efx_evq_t *eep,
__in efx_rxq_t *erp);
LIBEFX_INTERNAL
extern void
rhead_rx_qdestroy(
__in efx_rxq_t *erp);
/* TX */
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_tx_init(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_tx_fini(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_tx_qcreate(
__in efx_nic_t *enp,
__in unsigned int index,
__in unsigned int label,
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in uint16_t flags,
__in efx_evq_t *eep,
__in efx_txq_t *etp,
__out unsigned int *addedp);
LIBEFX_INTERNAL
extern void
rhead_tx_qdestroy(
__in efx_txq_t *etp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_tx_qpost(
__in efx_txq_t *etp,
__in_ecount(ndescs) efx_buffer_t *ebp,
__in unsigned int ndescs,
__in unsigned int completed,
__inout unsigned int *addedp);
LIBEFX_INTERNAL
extern void
rhead_tx_qpush(
__in efx_txq_t *etp,
__in unsigned int added,
__in unsigned int pushed);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_tx_qpace(
__in efx_txq_t *etp,
__in unsigned int ns);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_tx_qflush(
__in efx_txq_t *etp);
LIBEFX_INTERNAL
extern void
rhead_tx_qenable(
__in efx_txq_t *etp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_tx_qdesc_post(
__in efx_txq_t *etp,
__in_ecount(n) efx_desc_t *ed,
__in unsigned int n,
__in unsigned int completed,
__inout unsigned int *addedp);
#if EFSYS_OPT_QSTATS
LIBEFX_INTERNAL
extern void
rhead_tx_qstats_update(
__in efx_txq_t *etp,
__inout_ecount(TX_NQSTATS) efsys_stat_t *stat);
#endif /* EFSYS_OPT_QSTATS */
#if EFSYS_OPT_TUNNEL
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_tunnel_reconfigure(
__in efx_nic_t *enp);
LIBEFX_INTERNAL
extern void
rhead_tunnel_fini(
__in efx_nic_t *enp);
#endif /* EFSYS_OPT_TUNNEL */
#if EFSYS_OPT_PCI
/*
* Perform discovery of function control window by looking for a
* EF100 locator in Xilinx capabilities tables.
*/
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_pci_nic_membar_lookup(
__in efsys_pci_config_t *espcp,
__in const efx_pci_ops_t *epop,
__out efx_bar_region_t *ebrp);
#endif /* EFSYS_OPT_PCI */
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_nic_xilinx_cap_tbl_read_ef100_locator(
__in efsys_bar_t *esbp,
__in efsys_dma_addr_t offset,
__out efx_bar_region_t *ebrp);
#if EFSYS_OPT_VIRTIO
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_virtio_qstart(
__in efx_virtio_vq_t *evvp,
__in efx_virtio_vq_cfg_t *evvcp,
__in_opt efx_virtio_vq_dyncfg_t *evvdp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_virtio_qstop(
__in efx_virtio_vq_t *evvp,
__out_opt efx_virtio_vq_dyncfg_t *evvdp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_virtio_get_doorbell_offset(
__in efx_virtio_vq_t *evvp,
__out uint32_t *offsetp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_virtio_get_features(
__in efx_nic_t *enp,
__in efx_virtio_device_type_t type,
__out uint64_t *featuresp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
rhead_virtio_verify_features(
__in efx_nic_t *enp,
__in efx_virtio_device_type_t type,
__in uint64_t features);
#endif /* EFSYS_OPT_VIRTIO */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_RHEAD_IMPL_H */
|
