xref: /linux/drivers/net/ethernet/emulex/benet/be_hw.h (revision 95298d63c67673c654c08952672d016212b26054)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2005-2016 Broadcom.
4  * All rights reserved.
5  *
6  * Contact Information:
7  * linux-drivers@emulex.com
8  *
9  * Emulex
10  * 3333 Susan Street
11  * Costa Mesa, CA 92626
12  */
13 
14 /********* Mailbox door bell *************/
15 /* Used for driver communication with the FW.
16  * The software must write this register twice to post any command. First,
17  * it writes the register with hi=1 and the upper bits of the physical address
18  * for the MAILBOX structure. Software must poll the ready bit until this
19  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
20  * bits in the address. It must poll the ready bit until the command is
21  * complete. Upon completion, the MAILBOX will contain a valid completion
22  * queue entry.
23  */
24 #define MPU_MAILBOX_DB_OFFSET	0x160
25 #define MPU_MAILBOX_DB_RDY_MASK	0x1 	/* bit 0 */
26 #define MPU_MAILBOX_DB_HI_MASK	0x2	/* bit 1 */
27 
28 #define MPU_EP_CONTROL 		0
29 
30 /********** MPU semphore: used for SH & BE  *************/
31 #define SLIPORT_SOFTRESET_OFFSET		0x5c	/* CSR BAR offset */
32 #define SLIPORT_SEMAPHORE_OFFSET_BEx		0xac  /* CSR BAR offset */
33 #define SLIPORT_SEMAPHORE_OFFSET_SH		0x94  /* PCI-CFG offset */
34 #define POST_STAGE_MASK				0x0000FFFF
35 #define POST_ERR_MASK				0x1
36 #define POST_ERR_SHIFT				31
37 #define POST_ERR_RECOVERY_CODE_MASK		0xFFF
38 
39 /* Soft Reset register masks */
40 #define SLIPORT_SOFTRESET_SR_MASK		0x00000080	/* SR bit */
41 
42 /* MPU semphore POST stage values */
43 #define POST_STAGE_AWAITING_HOST_RDY 	0x1 /* FW awaiting goahead from host */
44 #define POST_STAGE_HOST_RDY 		0x2 /* Host has given go-ahed to FW */
45 #define POST_STAGE_BE_RESET		0x3 /* Host wants to reset chip */
46 #define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
47 #define POST_STAGE_RECOVERABLE_ERR	0xE000	/* Recoverable err detected */
48 /* FW has detected a UE and is dumping FAT log data */
49 #define POST_STAGE_FAT_LOG_START       0x0D00
50 #define POST_STAGE_ARMFW_UE            0xF000  /*FW has asserted an UE*/
51 
52 /* Lancer SLIPORT registers */
53 #define SLIPORT_STATUS_OFFSET		0x404
54 #define SLIPORT_CONTROL_OFFSET		0x408
55 #define SLIPORT_ERROR1_OFFSET		0x40C
56 #define SLIPORT_ERROR2_OFFSET		0x410
57 #define PHYSDEV_CONTROL_OFFSET		0x414
58 
59 #define SLIPORT_STATUS_ERR_MASK		0x80000000
60 #define SLIPORT_STATUS_DIP_MASK		0x02000000
61 #define SLIPORT_STATUS_RN_MASK		0x01000000
62 #define SLIPORT_STATUS_RDY_MASK		0x00800000
63 #define SLI_PORT_CONTROL_IP_MASK	0x08000000
64 #define PHYSDEV_CONTROL_FW_RESET_MASK	0x00000002
65 #define PHYSDEV_CONTROL_DD_MASK		0x00000004
66 #define PHYSDEV_CONTROL_INP_MASK	0x40000000
67 
68 #define SLIPORT_ERROR_NO_RESOURCE1	0x2
69 #define SLIPORT_ERROR_NO_RESOURCE2	0x9
70 
71 #define SLIPORT_ERROR_FW_RESET1		0x2
72 #define SLIPORT_ERROR_FW_RESET2		0x0
73 
74 /********* Memory BAR register ************/
75 #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 	0xfc
76 /* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
77  * Disable" may still globally block interrupts in addition to individual
78  * interrupt masks; a mechanism for the device driver to block all interrupts
79  * atomically without having to arbitrate for the PCI Interrupt Disable bit
80  * with the OS.
81  */
82 #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK	BIT(29) /* bit 29 */
83 
84 /********* PCI Function Capability *********/
85 #define BE_FUNCTION_CAPS_RSS			0x2
86 #define BE_FUNCTION_CAPS_SUPER_NIC		0x40
87 
88 /********* Power management (WOL) **********/
89 #define PCICFG_PM_CONTROL_OFFSET		0x44
90 #define PCICFG_PM_CONTROL_MASK			0x108	/* bits 3 & 8 */
91 
92 /********* Online Control Registers *******/
93 #define PCICFG_ONLINE0				0xB0
94 #define PCICFG_ONLINE1				0xB4
95 
96 /********* UE Status and Mask Registers ***/
97 #define PCICFG_UE_STATUS_LOW			0xA0
98 #define PCICFG_UE_STATUS_HIGH			0xA4
99 #define PCICFG_UE_STATUS_LOW_MASK		0xA8
100 #define PCICFG_UE_STATUS_HI_MASK		0xAC
101 
102 /******** SLI_INTF ***********************/
103 #define SLI_INTF_REG_OFFSET			0x58
104 #define SLI_INTF_VALID_MASK			0xE0000000
105 #define SLI_INTF_VALID				0xC0000000
106 #define SLI_INTF_HINT2_MASK			0x1F000000
107 #define SLI_INTF_HINT2_SHIFT			24
108 #define SLI_INTF_HINT1_MASK			0x00FF0000
109 #define SLI_INTF_HINT1_SHIFT			16
110 #define SLI_INTF_FAMILY_MASK			0x00000F00
111 #define SLI_INTF_FAMILY_SHIFT			8
112 #define SLI_INTF_IF_TYPE_MASK			0x0000F000
113 #define SLI_INTF_IF_TYPE_SHIFT			12
114 #define SLI_INTF_REV_MASK			0x000000F0
115 #define SLI_INTF_REV_SHIFT			4
116 #define SLI_INTF_FT_MASK			0x00000001
117 
118 #define SLI_INTF_TYPE_2		2
119 #define SLI_INTF_TYPE_3		3
120 
121 /********* ISR0 Register offset **********/
122 #define CEV_ISR0_OFFSET 			0xC18
123 #define CEV_ISR_SIZE				4
124 
125 /********* Event Q door bell *************/
126 #define DB_EQ_OFFSET			DB_CQ_OFFSET
127 #define DB_EQ_RING_ID_MASK		0x1FF	/* bits 0 - 8 */
128 #define DB_EQ_RING_ID_EXT_MASK		0x3e00  /* bits 9-13 */
129 #define DB_EQ_RING_ID_EXT_MASK_SHIFT	(2) /* qid bits 9-13 placing at 11-15 */
130 
131 /* Clear the interrupt for this eq */
132 #define DB_EQ_CLR_SHIFT			(9)	/* bit 9 */
133 /* Must be 1 */
134 #define DB_EQ_EVNT_SHIFT		(10)	/* bit 10 */
135 /* Number of event entries processed */
136 #define DB_EQ_NUM_POPPED_SHIFT		(16)	/* bits 16 - 28 */
137 /* Rearm bit */
138 #define DB_EQ_REARM_SHIFT		(29)	/* bit 29 */
139 /* Rearm to interrupt delay encoding */
140 #define DB_EQ_R2I_DLY_SHIFT		(30)    /* bits 30 - 31 */
141 
142 /* Rearm to interrupt (R2I) delay multiplier encoding represents 3 different
143  * values configured in CEV_REARM2IRPT_DLY_MULT_CSR register. This value is
144  * programmed by host driver while ringing an EQ doorbell(EQ_DB) if a delay
145  * between rearming the EQ and next interrupt on this EQ is desired.
146  */
147 #define	R2I_DLY_ENC_0			0	/* No delay */
148 #define	R2I_DLY_ENC_1			1	/* maps to 160us EQ delay */
149 #define	R2I_DLY_ENC_2			2	/* maps to 96us EQ delay */
150 #define	R2I_DLY_ENC_3			3	/* maps to 48us EQ delay */
151 
152 /********* Compl Q door bell *************/
153 #define DB_CQ_OFFSET 			0x120
154 #define DB_CQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
155 #define DB_CQ_RING_ID_EXT_MASK		0x7C00	/* bits 10-14 */
156 #define DB_CQ_RING_ID_EXT_MASK_SHIFT	(1)	/* qid bits 10-14
157 						 placing at 11-15 */
158 
159 /* Number of event entries processed */
160 #define DB_CQ_NUM_POPPED_SHIFT		(16) 	/* bits 16 - 28 */
161 /* Rearm bit */
162 #define DB_CQ_REARM_SHIFT		(29) 	/* bit 29 */
163 
164 /********** TX ULP door bell *************/
165 #define DB_TXULP1_OFFSET		0x60
166 #define DB_TXULP_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
167 /* Number of tx entries posted */
168 #define DB_TXULP_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
169 #define DB_TXULP_NUM_POSTED_MASK	0x3FFF	/* bits 16 - 29 */
170 
171 /********** RQ(erx) door bell ************/
172 #define DB_RQ_OFFSET 			0x100
173 #define DB_RQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
174 /* Number of rx frags posted */
175 #define DB_RQ_NUM_POSTED_SHIFT		(24)	/* bits 24 - 31 */
176 
177 /********** MCC door bell ************/
178 #define DB_MCCQ_OFFSET 			0x140
179 #define DB_MCCQ_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
180 /* Number of entries posted */
181 #define DB_MCCQ_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
182 
183 /********** SRIOV VF PCICFG OFFSET ********/
184 #define SRIOV_VF_PCICFG_OFFSET		(4096)
185 
186 /********** FAT TABLE  ********/
187 #define RETRIEVE_FAT	0
188 #define QUERY_FAT	1
189 
190 /************* Rx Packet Type Encoding **************/
191 #define BE_UNICAST_PACKET		0
192 #define BE_MULTICAST_PACKET		1
193 #define BE_BROADCAST_PACKET		2
194 #define BE_RSVD_PACKET			3
195 
196 /*
197  * BE descriptors: host memory data structures whose formats
198  * are hardwired in BE silicon.
199  */
200 /* Event Queue Descriptor */
201 #define EQ_ENTRY_VALID_MASK 		0x1	/* bit 0 */
202 #define EQ_ENTRY_RES_ID_MASK 		0xFFFF	/* bits 16 - 31 */
203 #define EQ_ENTRY_RES_ID_SHIFT 		16
204 
205 struct be_eq_entry {
206 	u32 evt;
207 };
208 
209 /* TX Queue Descriptor */
210 #define ETH_WRB_FRAG_LEN_MASK		0xFFFF
211 struct be_eth_wrb {
212 	__le32 frag_pa_hi;		/* dword 0 */
213 	__le32 frag_pa_lo;		/* dword 1 */
214 	u32 rsvd0;			/* dword 2 */
215 	__le32 frag_len;		/* dword 3: bits 0 - 15 */
216 } __packed;
217 
218 /* Pseudo amap definition for eth_hdr_wrb in which each bit of the
219  * actual structure is defined as a byte : used to calculate
220  * offset/shift/mask of each field */
221 struct amap_eth_hdr_wrb {
222 	u8 rsvd0[32];		/* dword 0 */
223 	u8 rsvd1[32];		/* dword 1 */
224 	u8 complete;		/* dword 2 */
225 	u8 event;
226 	u8 crc;
227 	u8 forward;
228 	u8 lso6;
229 	u8 mgmt;
230 	u8 ipcs;
231 	u8 udpcs;
232 	u8 tcpcs;
233 	u8 lso;
234 	u8 vlan;
235 	u8 gso[2];
236 	u8 num_wrb[5];
237 	u8 lso_mss[14];
238 	u8 len[16];		/* dword 3 */
239 	u8 vlan_tag[16];
240 } __packed;
241 
242 #define TX_HDR_WRB_COMPL		1		/* word 2 */
243 #define TX_HDR_WRB_EVT			BIT(1)		/* word 2 */
244 #define TX_HDR_WRB_NUM_SHIFT		13		/* word 2: bits 13:17 */
245 #define TX_HDR_WRB_NUM_MASK		0x1F		/* word 2: bits 13:17 */
246 
247 struct be_eth_hdr_wrb {
248 	__le32 dw[4];
249 };
250 
251 /********* Tx Compl Status Encoding *********/
252 #define BE_TX_COMP_HDR_PARSE_ERR	0x2
253 #define BE_TX_COMP_NDMA_ERR		0x3
254 #define BE_TX_COMP_ACL_ERR		0x5
255 
256 #define LANCER_TX_COMP_LSO_ERR			0x1
257 #define LANCER_TX_COMP_HSW_DROP_MAC_ERR		0x3
258 #define LANCER_TX_COMP_HSW_DROP_VLAN_ERR	0x5
259 #define LANCER_TX_COMP_QINQ_ERR			0x7
260 #define LANCER_TX_COMP_SGE_ERR			0x9
261 #define LANCER_TX_COMP_PARITY_ERR		0xb
262 #define LANCER_TX_COMP_DMA_ERR			0xd
263 
264 /* TX Compl Queue Descriptor */
265 
266 /* Pseudo amap definition for eth_tx_compl in which each bit of the
267  * actual structure is defined as a byte: used to calculate
268  * offset/shift/mask of each field */
269 struct amap_eth_tx_compl {
270 	u8 wrb_index[16];	/* dword 0 */
271 	u8 ct[2]; 		/* dword 0 */
272 	u8 port[2];		/* dword 0 */
273 	u8 rsvd0[8];		/* dword 0 */
274 	u8 status[4];		/* dword 0 */
275 	u8 user_bytes[16];	/* dword 1 */
276 	u8 nwh_bytes[8];	/* dword 1 */
277 	u8 lso;			/* dword 1 */
278 	u8 cast_enc[2];		/* dword 1 */
279 	u8 rsvd1[5];		/* dword 1 */
280 	u8 rsvd2[32];		/* dword 2 */
281 	u8 pkts[16];		/* dword 3 */
282 	u8 ringid[11];		/* dword 3 */
283 	u8 hash_val[4];		/* dword 3 */
284 	u8 valid;		/* dword 3 */
285 } __packed;
286 
287 struct be_eth_tx_compl {
288 	u32 dw[4];
289 };
290 
291 /* RX Queue Descriptor */
292 struct be_eth_rx_d {
293 	u32 fragpa_hi;
294 	u32 fragpa_lo;
295 };
296 
297 /* RX Compl Queue Descriptor */
298 
299 /* Pseudo amap definition for BE2 and BE3 legacy mode eth_rx_compl in which
300  * each bit of the actual structure is defined as a byte: used to calculate
301  * offset/shift/mask of each field */
302 struct amap_eth_rx_compl_v0 {
303 	u8 vlan_tag[16];	/* dword 0 */
304 	u8 pktsize[14];		/* dword 0 */
305 	u8 port;		/* dword 0 */
306 	u8 ip_opt;		/* dword 0 */
307 	u8 err;			/* dword 1 */
308 	u8 rsshp;		/* dword 1 */
309 	u8 ipf;			/* dword 1 */
310 	u8 tcpf;		/* dword 1 */
311 	u8 udpf;		/* dword 1 */
312 	u8 ipcksm;		/* dword 1 */
313 	u8 l4_cksm;		/* dword 1 */
314 	u8 ip_version;		/* dword 1 */
315 	u8 macdst[6];		/* dword 1 */
316 	u8 vtp;			/* dword 1 */
317 	u8 ip_frag;		/* dword 1 */
318 	u8 fragndx[10];		/* dword 1 */
319 	u8 ct[2];		/* dword 1 */
320 	u8 sw;			/* dword 1 */
321 	u8 numfrags[3];		/* dword 1 */
322 	u8 rss_flush;		/* dword 2 */
323 	u8 cast_enc[2];		/* dword 2 */
324 	u8 qnq;			/* dword 2 */
325 	u8 rss_bank;		/* dword 2 */
326 	u8 rsvd1[23];		/* dword 2 */
327 	u8 lro_pkt;		/* dword 2 */
328 	u8 rsvd2[2];		/* dword 2 */
329 	u8 valid;		/* dword 2 */
330 	u8 rsshash[32];		/* dword 3 */
331 } __packed;
332 
333 /* Pseudo amap definition for BE3 native mode eth_rx_compl in which
334  * each bit of the actual structure is defined as a byte: used to calculate
335  * offset/shift/mask of each field */
336 struct amap_eth_rx_compl_v1 {
337 	u8 vlan_tag[16];	/* dword 0 */
338 	u8 pktsize[14];		/* dword 0 */
339 	u8 vtp;			/* dword 0 */
340 	u8 ip_opt;		/* dword 0 */
341 	u8 err;			/* dword 1 */
342 	u8 rsshp;		/* dword 1 */
343 	u8 ipf;			/* dword 1 */
344 	u8 tcpf;		/* dword 1 */
345 	u8 udpf;		/* dword 1 */
346 	u8 ipcksm;		/* dword 1 */
347 	u8 l4_cksm;		/* dword 1 */
348 	u8 ip_version;		/* dword 1 */
349 	u8 macdst[7];		/* dword 1 */
350 	u8 rsvd0;		/* dword 1 */
351 	u8 fragndx[10];		/* dword 1 */
352 	u8 ct[2];		/* dword 1 */
353 	u8 sw;			/* dword 1 */
354 	u8 numfrags[3];		/* dword 1 */
355 	u8 rss_flush;		/* dword 2 */
356 	u8 cast_enc[2];		/* dword 2 */
357 	u8 qnq;			/* dword 2 */
358 	u8 rss_bank;		/* dword 2 */
359 	u8 port[2];		/* dword 2 */
360 	u8 vntagp;		/* dword 2 */
361 	u8 header_len[8];	/* dword 2 */
362 	u8 header_split[2];	/* dword 2 */
363 	u8 rsvd1[12];		/* dword 2 */
364 	u8 tunneled;
365 	u8 valid;		/* dword 2 */
366 	u8 rsshash[32];		/* dword 3 */
367 } __packed;
368 
369 struct be_eth_rx_compl {
370 	u32 dw[4];
371 };
372