sfc/siena/nic.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /****************************************************************************
0003  * Driver for Solarflare network controllers and boards
0004  * Copyright 2005-2006 Fen Systems Ltd.
0005  * Copyright 2006-2013 Solarflare Communications Inc.
0006  */
0007
0008 #ifndef EFX_NIC_H
0009 #define EFX_NIC_H
0010
0011 #include "nic_common.h"
0012 #include "efx.h"
0013
0014 u32 efx_farch_fpga_ver(struct efx_nic *efx);
0015
0016 enum {
0017     PHY_TYPE_NONE = 0,
0018     PHY_TYPE_TXC43128 = 1,
0019     PHY_TYPE_88E1111 = 2,
0020     PHY_TYPE_SFX7101 = 3,
0021     PHY_TYPE_QT2022C2 = 4,
0022     PHY_TYPE_PM8358 = 6,
0023     PHY_TYPE_SFT9001A = 8,
0024     PHY_TYPE_QT2025C = 9,
0025     PHY_TYPE_SFT9001B = 10,
0026 };
0027
0028 enum {
0029     SIENA_STAT_tx_bytes = GENERIC_STAT_COUNT,
0030     SIENA_STAT_tx_good_bytes,
0031     SIENA_STAT_tx_bad_bytes,
0032     SIENA_STAT_tx_packets,
0033     SIENA_STAT_tx_bad,
0034     SIENA_STAT_tx_pause,
0035     SIENA_STAT_tx_control,
0036     SIENA_STAT_tx_unicast,
0037     SIENA_STAT_tx_multicast,
0038     SIENA_STAT_tx_broadcast,
0039     SIENA_STAT_tx_lt64,
0040     SIENA_STAT_tx_64,
0041     SIENA_STAT_tx_65_to_127,
0042     SIENA_STAT_tx_128_to_255,
0043     SIENA_STAT_tx_256_to_511,
0044     SIENA_STAT_tx_512_to_1023,
0045     SIENA_STAT_tx_1024_to_15xx,
0046     SIENA_STAT_tx_15xx_to_jumbo,
0047     SIENA_STAT_tx_gtjumbo,
0048     SIENA_STAT_tx_collision,
0049     SIENA_STAT_tx_single_collision,
0050     SIENA_STAT_tx_multiple_collision,
0051     SIENA_STAT_tx_excessive_collision,
0052     SIENA_STAT_tx_deferred,
0053     SIENA_STAT_tx_late_collision,
0054     SIENA_STAT_tx_excessive_deferred,
0055     SIENA_STAT_tx_non_tcpudp,
0056     SIENA_STAT_tx_mac_src_error,
0057     SIENA_STAT_tx_ip_src_error,
0058     SIENA_STAT_rx_bytes,
0059     SIENA_STAT_rx_good_bytes,
0060     SIENA_STAT_rx_bad_bytes,
0061     SIENA_STAT_rx_packets,
0062     SIENA_STAT_rx_good,
0063     SIENA_STAT_rx_bad,
0064     SIENA_STAT_rx_pause,
0065     SIENA_STAT_rx_control,
0066     SIENA_STAT_rx_unicast,
0067     SIENA_STAT_rx_multicast,
0068     SIENA_STAT_rx_broadcast,
0069     SIENA_STAT_rx_lt64,
0070     SIENA_STAT_rx_64,
0071     SIENA_STAT_rx_65_to_127,
0072     SIENA_STAT_rx_128_to_255,
0073     SIENA_STAT_rx_256_to_511,
0074     SIENA_STAT_rx_512_to_1023,
0075     SIENA_STAT_rx_1024_to_15xx,
0076     SIENA_STAT_rx_15xx_to_jumbo,
0077     SIENA_STAT_rx_gtjumbo,
0078     SIENA_STAT_rx_bad_gtjumbo,
0079     SIENA_STAT_rx_overflow,
0080     SIENA_STAT_rx_false_carrier,
0081     SIENA_STAT_rx_symbol_error,
0082     SIENA_STAT_rx_align_error,
0083     SIENA_STAT_rx_length_error,
0084     SIENA_STAT_rx_internal_error,
0085     SIENA_STAT_rx_nodesc_drop_cnt,
0086     SIENA_STAT_COUNT
0087 };
0088
0089 /**
0090  * struct siena_nic_data - Siena NIC state
0091  * @efx: Pointer back to main interface structure
0092  * @wol_filter_id: Wake-on-LAN packet filter id
0093  * @stats: Hardware statistics
0094  * @vf: Array of &struct siena_vf objects
0095  * @vf_buftbl_base: The zeroth buffer table index used to back VF queues.
0096  * @vfdi_status: Common VFDI status page to be dmad to VF address space.
0097  * @local_addr_list: List of local addresses. Protected by %local_lock.
0098  * @local_page_list: List of DMA addressable pages used to broadcast
0099  *  %local_addr_list. Protected by %local_lock.
0100  * @local_lock: Mutex protecting %local_addr_list and %local_page_list.
0101  * @peer_work: Work item to broadcast peer addresses to VMs.
0102  */
0103 struct siena_nic_data {
0104     struct efx_nic *efx;
0105     int wol_filter_id;
0106     u64 stats[SIENA_STAT_COUNT];
0107 #ifdef CONFIG_SFC_SIENA_SRIOV
0108     struct siena_vf *vf;
0109     struct efx_channel *vfdi_channel;
0110     unsigned vf_buftbl_base;
0111     struct efx_buffer vfdi_status;
0112     struct list_head local_addr_list;
0113     struct list_head local_page_list;
0114     struct mutex local_lock;
0115     struct work_struct peer_work;
0116 #endif
0117 };
0118
0119 extern const struct efx_nic_type siena_a0_nic_type;
0120
0121 int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
0122
0123 /* Falcon/Siena queue operations */
0124 int efx_farch_tx_probe(struct efx_tx_queue *tx_queue);
0125 void efx_farch_tx_init(struct efx_tx_queue *tx_queue);
0126 void efx_farch_tx_fini(struct efx_tx_queue *tx_queue);
0127 void efx_farch_tx_remove(struct efx_tx_queue *tx_queue);
0128 void efx_farch_tx_write(struct efx_tx_queue *tx_queue);
0129 unsigned int efx_farch_tx_limit_len(struct efx_tx_queue *tx_queue,
0130                     dma_addr_t dma_addr, unsigned int len);
0131 int efx_farch_rx_probe(struct efx_rx_queue *rx_queue);
0132 void efx_farch_rx_init(struct efx_rx_queue *rx_queue);
0133 void efx_farch_rx_fini(struct efx_rx_queue *rx_queue);
0134 void efx_farch_rx_remove(struct efx_rx_queue *rx_queue);
0135 void efx_farch_rx_write(struct efx_rx_queue *rx_queue);
0136 void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue);
0137 int efx_farch_ev_probe(struct efx_channel *channel);
0138 int efx_farch_ev_init(struct efx_channel *channel);
0139 void efx_farch_ev_fini(struct efx_channel *channel);
0140 void efx_farch_ev_remove(struct efx_channel *channel);
0141 int efx_farch_ev_process(struct efx_channel *channel, int quota);
0142 void efx_farch_ev_read_ack(struct efx_channel *channel);
0143 void efx_farch_ev_test_generate(struct efx_channel *channel);
0144
0145 /* Falcon/Siena filter operations */
0146 int efx_farch_filter_table_probe(struct efx_nic *efx);
0147 void efx_farch_filter_table_restore(struct efx_nic *efx);
0148 void efx_farch_filter_table_remove(struct efx_nic *efx);
0149 void efx_farch_filter_update_rx_scatter(struct efx_nic *efx);
0150 s32 efx_farch_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec,
0151                 bool replace);
0152 int efx_farch_filter_remove_safe(struct efx_nic *efx,
0153                  enum efx_filter_priority priority,
0154                  u32 filter_id);
0155 int efx_farch_filter_get_safe(struct efx_nic *efx,
0156                   enum efx_filter_priority priority, u32 filter_id,
0157                   struct efx_filter_spec *);
0158 int efx_farch_filter_clear_rx(struct efx_nic *efx,
0159                   enum efx_filter_priority priority);
0160 u32 efx_farch_filter_count_rx_used(struct efx_nic *efx,
0161                    enum efx_filter_priority priority);
0162 u32 efx_farch_filter_get_rx_id_limit(struct efx_nic *efx);
0163 s32 efx_farch_filter_get_rx_ids(struct efx_nic *efx,
0164                 enum efx_filter_priority priority, u32 *buf,
0165                 u32 size);
0166 #ifdef CONFIG_RFS_ACCEL
0167 bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id,
0168                      unsigned int index);
0169 #endif
0170 void efx_farch_filter_sync_rx_mode(struct efx_nic *efx);
0171
0172 /* Falcon/Siena interrupts */
0173 void efx_farch_irq_enable_master(struct efx_nic *efx);
0174 int efx_farch_irq_test_generate(struct efx_nic *efx);
0175 void efx_farch_irq_disable_master(struct efx_nic *efx);
0176 irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id);
0177 irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id);
0178 irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx);
0179
0180 /* Global Resources */
0181 void efx_siena_prepare_flush(struct efx_nic *efx);
0182 int efx_farch_fini_dmaq(struct efx_nic *efx);
0183 void efx_farch_finish_flr(struct efx_nic *efx);
0184 void siena_finish_flush(struct efx_nic *efx);
0185 void falcon_start_nic_stats(struct efx_nic *efx);
0186 void falcon_stop_nic_stats(struct efx_nic *efx);
0187 int falcon_reset_xaui(struct efx_nic *efx);
0188 void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
0189 void efx_farch_init_common(struct efx_nic *efx);
0190 void efx_farch_rx_push_indir_table(struct efx_nic *efx);
0191 void efx_farch_rx_pull_indir_table(struct efx_nic *efx);
0192
0193 /* Tests */
0194 struct efx_farch_register_test {
0195     unsigned address;
0196     efx_oword_t mask;
0197 };
0198
0199 int efx_farch_test_registers(struct efx_nic *efx,
0200                  const struct efx_farch_register_test *regs,
0201                  size_t n_regs);
0202
0203 void efx_farch_generate_event(struct efx_nic *efx, unsigned int evq,
0204                   efx_qword_t *event);
0205
0206 #endif /* EFX_NIC_H */