xref: /openbmc/linux/drivers/net/ethernet/sfc/siena/nic.h (revision dfb1cfbd)
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 
14 u32 efx_farch_fpga_ver(struct efx_nic *efx);
15 
16 enum {
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 
28 enum {
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  */
103 struct 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 
119 extern const struct efx_nic_type siena_a0_nic_type;
120 
121 int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
122 
123 /* Falcon/Siena queue operations */
124 int efx_farch_tx_probe(struct efx_tx_queue *tx_queue);
125 void efx_farch_tx_init(struct efx_tx_queue *tx_queue);
126 void efx_farch_tx_fini(struct efx_tx_queue *tx_queue);
127 void efx_farch_tx_remove(struct efx_tx_queue *tx_queue);
128 void efx_farch_tx_write(struct efx_tx_queue *tx_queue);
129 unsigned int efx_farch_tx_limit_len(struct efx_tx_queue *tx_queue,
130 				    dma_addr_t dma_addr, unsigned int len);
131 int efx_farch_rx_probe(struct efx_rx_queue *rx_queue);
132 void efx_farch_rx_init(struct efx_rx_queue *rx_queue);
133 void efx_farch_rx_fini(struct efx_rx_queue *rx_queue);
134 void efx_farch_rx_remove(struct efx_rx_queue *rx_queue);
135 void efx_farch_rx_write(struct efx_rx_queue *rx_queue);
136 void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue);
137 int efx_farch_ev_probe(struct efx_channel *channel);
138 int efx_farch_ev_init(struct efx_channel *channel);
139 void efx_farch_ev_fini(struct efx_channel *channel);
140 void efx_farch_ev_remove(struct efx_channel *channel);
141 int efx_farch_ev_process(struct efx_channel *channel, int quota);
142 void efx_farch_ev_read_ack(struct efx_channel *channel);
143 void efx_farch_ev_test_generate(struct efx_channel *channel);
144 
145 /* Falcon/Siena filter operations */
146 int efx_farch_filter_table_probe(struct efx_nic *efx);
147 void efx_farch_filter_table_restore(struct efx_nic *efx);
148 void efx_farch_filter_table_remove(struct efx_nic *efx);
149 void efx_farch_filter_update_rx_scatter(struct efx_nic *efx);
150 s32 efx_farch_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec,
151 			    bool replace);
152 int efx_farch_filter_remove_safe(struct efx_nic *efx,
153 				 enum efx_filter_priority priority,
154 				 u32 filter_id);
155 int efx_farch_filter_get_safe(struct efx_nic *efx,
156 			      enum efx_filter_priority priority, u32 filter_id,
157 			      struct efx_filter_spec *);
158 int efx_farch_filter_clear_rx(struct efx_nic *efx,
159 			      enum efx_filter_priority priority);
160 u32 efx_farch_filter_count_rx_used(struct efx_nic *efx,
161 				   enum efx_filter_priority priority);
162 u32 efx_farch_filter_get_rx_id_limit(struct efx_nic *efx);
163 s32 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
167 bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id,
168 				     unsigned int index);
169 #endif
170 void efx_farch_filter_sync_rx_mode(struct efx_nic *efx);
171 
172 /* Falcon/Siena interrupts */
173 void efx_farch_irq_enable_master(struct efx_nic *efx);
174 int efx_farch_irq_test_generate(struct efx_nic *efx);
175 void efx_farch_irq_disable_master(struct efx_nic *efx);
176 irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id);
177 irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id);
178 irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx);
179 
180 /* Global Resources */
181 void efx_siena_prepare_flush(struct efx_nic *efx);
182 int efx_farch_fini_dmaq(struct efx_nic *efx);
183 void efx_farch_finish_flr(struct efx_nic *efx);
184 void siena_finish_flush(struct efx_nic *efx);
185 void falcon_start_nic_stats(struct efx_nic *efx);
186 void falcon_stop_nic_stats(struct efx_nic *efx);
187 int falcon_reset_xaui(struct efx_nic *efx);
188 void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
189 void efx_farch_init_common(struct efx_nic *efx);
190 void efx_farch_rx_push_indir_table(struct efx_nic *efx);
191 void efx_farch_rx_pull_indir_table(struct efx_nic *efx);
192 
193 /* Tests */
194 struct efx_farch_register_test {
195 	unsigned address;
196 	efx_oword_t mask;
197 };
198 
199 int efx_farch_test_registers(struct efx_nic *efx,
200 			     const struct efx_farch_register_test *regs,
201 			     size_t n_regs);
202 
203 void efx_farch_generate_event(struct efx_nic *efx, unsigned int evq,
204 			      efx_qword_t *event);
205 
206 #endif /* EFX_NIC_H */
207