cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

nic.h (7039B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/****************************************************************************
      3 * Driver for Solarflare network controllers and boards
      4 * Copyright 2005-2006 Fen Systems Ltd.
      5 * Copyright 2006-2013 Solarflare Communications Inc.
      6 */
      7
      8#ifndef EFX_NIC_H
      9#define EFX_NIC_H
     10
     11#include "nic_common.h"
     12#include "efx.h"
     13
     14u32 efx_farch_fpga_ver(struct efx_nic *efx);
     15
     16enum {
     17	PHY_TYPE_NONE = 0,
     18	PHY_TYPE_TXC43128 = 1,
     19	PHY_TYPE_88E1111 = 2,
     20	PHY_TYPE_SFX7101 = 3,
     21	PHY_TYPE_QT2022C2 = 4,
     22	PHY_TYPE_PM8358 = 6,
     23	PHY_TYPE_SFT9001A = 8,
     24	PHY_TYPE_QT2025C = 9,
     25	PHY_TYPE_SFT9001B = 10,
     26};
     27
     28enum {
     29	SIENA_STAT_tx_bytes = GENERIC_STAT_COUNT,
     30	SIENA_STAT_tx_good_bytes,
     31	SIENA_STAT_tx_bad_bytes,
     32	SIENA_STAT_tx_packets,
     33	SIENA_STAT_tx_bad,
     34	SIENA_STAT_tx_pause,
     35	SIENA_STAT_tx_control,
     36	SIENA_STAT_tx_unicast,
     37	SIENA_STAT_tx_multicast,
     38	SIENA_STAT_tx_broadcast,
     39	SIENA_STAT_tx_lt64,
     40	SIENA_STAT_tx_64,
     41	SIENA_STAT_tx_65_to_127,
     42	SIENA_STAT_tx_128_to_255,
     43	SIENA_STAT_tx_256_to_511,
     44	SIENA_STAT_tx_512_to_1023,
     45	SIENA_STAT_tx_1024_to_15xx,
     46	SIENA_STAT_tx_15xx_to_jumbo,
     47	SIENA_STAT_tx_gtjumbo,
     48	SIENA_STAT_tx_collision,
     49	SIENA_STAT_tx_single_collision,
     50	SIENA_STAT_tx_multiple_collision,
     51	SIENA_STAT_tx_excessive_collision,
     52	SIENA_STAT_tx_deferred,
     53	SIENA_STAT_tx_late_collision,
     54	SIENA_STAT_tx_excessive_deferred,
     55	SIENA_STAT_tx_non_tcpudp,
     56	SIENA_STAT_tx_mac_src_error,
     57	SIENA_STAT_tx_ip_src_error,
     58	SIENA_STAT_rx_bytes,
     59	SIENA_STAT_rx_good_bytes,
     60	SIENA_STAT_rx_bad_bytes,
     61	SIENA_STAT_rx_packets,
     62	SIENA_STAT_rx_good,
     63	SIENA_STAT_rx_bad,
     64	SIENA_STAT_rx_pause,
     65	SIENA_STAT_rx_control,
     66	SIENA_STAT_rx_unicast,
     67	SIENA_STAT_rx_multicast,
     68	SIENA_STAT_rx_broadcast,
     69	SIENA_STAT_rx_lt64,
     70	SIENA_STAT_rx_64,
     71	SIENA_STAT_rx_65_to_127,
     72	SIENA_STAT_rx_128_to_255,
     73	SIENA_STAT_rx_256_to_511,
     74	SIENA_STAT_rx_512_to_1023,
     75	SIENA_STAT_rx_1024_to_15xx,
     76	SIENA_STAT_rx_15xx_to_jumbo,
     77	SIENA_STAT_rx_gtjumbo,
     78	SIENA_STAT_rx_bad_gtjumbo,
     79	SIENA_STAT_rx_overflow,
     80	SIENA_STAT_rx_false_carrier,
     81	SIENA_STAT_rx_symbol_error,
     82	SIENA_STAT_rx_align_error,
     83	SIENA_STAT_rx_length_error,
     84	SIENA_STAT_rx_internal_error,
     85	SIENA_STAT_rx_nodesc_drop_cnt,
     86	SIENA_STAT_COUNT
     87};
     88
     89/**
     90 * struct siena_nic_data - Siena NIC state
     91 * @efx: Pointer back to main interface structure
     92 * @wol_filter_id: Wake-on-LAN packet filter id
     93 * @stats: Hardware statistics
     94 * @vf: Array of &struct siena_vf objects
     95 * @vf_buftbl_base: The zeroth buffer table index used to back VF queues.
     96 * @vfdi_status: Common VFDI status page to be dmad to VF address space.
     97 * @local_addr_list: List of local addresses. Protected by %local_lock.
     98 * @local_page_list: List of DMA addressable pages used to broadcast
     99 *	%local_addr_list. Protected by %local_lock.
    100 * @local_lock: Mutex protecting %local_addr_list and %local_page_list.
    101 * @peer_work: Work item to broadcast peer addresses to VMs.
    102 */
    103struct siena_nic_data {
    104	struct efx_nic *efx;
    105	int wol_filter_id;
    106	u64 stats[SIENA_STAT_COUNT];
    107#ifdef CONFIG_SFC_SIENA_SRIOV
    108	struct siena_vf *vf;
    109	struct efx_channel *vfdi_channel;
    110	unsigned vf_buftbl_base;
    111	struct efx_buffer vfdi_status;
    112	struct list_head local_addr_list;
    113	struct list_head local_page_list;
    114	struct mutex local_lock;
    115	struct work_struct peer_work;
    116#endif
    117};
    118
    119extern const struct efx_nic_type siena_a0_nic_type;
    120
    121int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
    122
    123/* Falcon/Siena queue operations */
    124int efx_farch_tx_probe(struct efx_tx_queue *tx_queue);
    125void efx_farch_tx_init(struct efx_tx_queue *tx_queue);
    126void efx_farch_tx_fini(struct efx_tx_queue *tx_queue);
    127void efx_farch_tx_remove(struct efx_tx_queue *tx_queue);
    128void efx_farch_tx_write(struct efx_tx_queue *tx_queue);
    129unsigned int efx_farch_tx_limit_len(struct efx_tx_queue *tx_queue,
    130				    dma_addr_t dma_addr, unsigned int len);
    131int efx_farch_rx_probe(struct efx_rx_queue *rx_queue);
    132void efx_farch_rx_init(struct efx_rx_queue *rx_queue);
    133void efx_farch_rx_fini(struct efx_rx_queue *rx_queue);
    134void efx_farch_rx_remove(struct efx_rx_queue *rx_queue);
    135void efx_farch_rx_write(struct efx_rx_queue *rx_queue);
    136void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue);
    137int efx_farch_ev_probe(struct efx_channel *channel);
    138int efx_farch_ev_init(struct efx_channel *channel);
    139void efx_farch_ev_fini(struct efx_channel *channel);
    140void efx_farch_ev_remove(struct efx_channel *channel);
    141int efx_farch_ev_process(struct efx_channel *channel, int quota);
    142void efx_farch_ev_read_ack(struct efx_channel *channel);
    143void efx_farch_ev_test_generate(struct efx_channel *channel);
    144
    145/* Falcon/Siena filter operations */
    146int efx_farch_filter_table_probe(struct efx_nic *efx);
    147void efx_farch_filter_table_restore(struct efx_nic *efx);
    148void efx_farch_filter_table_remove(struct efx_nic *efx);
    149void efx_farch_filter_update_rx_scatter(struct efx_nic *efx);
    150s32 efx_farch_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec,
    151			    bool replace);
    152int efx_farch_filter_remove_safe(struct efx_nic *efx,
    153				 enum efx_filter_priority priority,
    154				 u32 filter_id);
    155int efx_farch_filter_get_safe(struct efx_nic *efx,
    156			      enum efx_filter_priority priority, u32 filter_id,
    157			      struct efx_filter_spec *);
    158int efx_farch_filter_clear_rx(struct efx_nic *efx,
    159			      enum efx_filter_priority priority);
    160u32 efx_farch_filter_count_rx_used(struct efx_nic *efx,
    161				   enum efx_filter_priority priority);
    162u32 efx_farch_filter_get_rx_id_limit(struct efx_nic *efx);
    163s32 efx_farch_filter_get_rx_ids(struct efx_nic *efx,
    164				enum efx_filter_priority priority, u32 *buf,
    165				u32 size);
    166#ifdef CONFIG_RFS_ACCEL
    167bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id,
    168				     unsigned int index);
    169#endif
    170void efx_farch_filter_sync_rx_mode(struct efx_nic *efx);
    171
    172/* Falcon/Siena interrupts */
    173void efx_farch_irq_enable_master(struct efx_nic *efx);
    174int efx_farch_irq_test_generate(struct efx_nic *efx);
    175void efx_farch_irq_disable_master(struct efx_nic *efx);
    176irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id);
    177irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id);
    178irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx);
    179
    180/* Global Resources */
    181void efx_siena_prepare_flush(struct efx_nic *efx);
    182int efx_farch_fini_dmaq(struct efx_nic *efx);
    183void efx_farch_finish_flr(struct efx_nic *efx);
    184void siena_finish_flush(struct efx_nic *efx);
    185void falcon_start_nic_stats(struct efx_nic *efx);
    186void falcon_stop_nic_stats(struct efx_nic *efx);
    187int falcon_reset_xaui(struct efx_nic *efx);
    188void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
    189void efx_farch_init_common(struct efx_nic *efx);
    190void efx_farch_rx_push_indir_table(struct efx_nic *efx);
    191void efx_farch_rx_pull_indir_table(struct efx_nic *efx);
    192
    193/* Tests */
    194struct efx_farch_register_test {
    195	unsigned address;
    196	efx_oword_t mask;
    197};
    198
    199int efx_farch_test_registers(struct efx_nic *efx,
    200			     const struct efx_farch_register_test *regs,
    201			     size_t n_regs);
    202
    203void efx_farch_generate_event(struct efx_nic *efx, unsigned int evq,
    204			      efx_qword_t *event);
    205
    206#endif /* EFX_NIC_H */