1 /*
2  * Copyright (C) 2005-2016 Broadcom.
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17 
18 /********* Mailbox door bell *************/
19 /* Used for driver communication with the FW.
20  * The software must write this register twice to post any command. First,
21  * it writes the register with hi=1 and the upper bits of the physical address
22  * for the MAILBOX structure. Software must poll the ready bit until this
23  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
24  * bits in the address. It must poll the ready bit until the command is
25  * complete. Upon completion, the MAILBOX will contain a valid completion
26  * queue entry.
27  */
28 #define MPU_MAILBOX_DB_OFFSET	0x160
29 #define MPU_MAILBOX_DB_RDY_MASK	0x1 	/* bit 0 */
30 #define MPU_MAILBOX_DB_HI_MASK	0x2	/* bit 1 */
31 
32 #define MPU_EP_CONTROL 		0
33 
34 /********** MPU semphore: used for SH & BE  *************/
35 #define SLIPORT_SOFTRESET_OFFSET		0x5c	/* CSR BAR offset */
36 #define SLIPORT_SEMAPHORE_OFFSET_BEx		0xac  /* CSR BAR offset */
37 #define SLIPORT_SEMAPHORE_OFFSET_SH		0x94  /* PCI-CFG offset */
38 #define POST_STAGE_MASK				0x0000FFFF
39 #define POST_ERR_MASK				0x1
40 #define POST_ERR_SHIFT				31
41 #define POST_ERR_RECOVERY_CODE_MASK		0xFFF
42 
43 /* Soft Reset register masks */
44 #define SLIPORT_SOFTRESET_SR_MASK		0x00000080	/* SR bit */
45 
46 /* MPU semphore POST stage values */
47 #define POST_STAGE_AWAITING_HOST_RDY 	0x1 /* FW awaiting goahead from host */
48 #define POST_STAGE_HOST_RDY 		0x2 /* Host has given go-ahed to FW */
49 #define POST_STAGE_BE_RESET		0x3 /* Host wants to reset chip */
50 #define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
51 #define POST_STAGE_RECOVERABLE_ERR	0xE000	/* Recoverable err detected */
52 /* FW has detected a UE and is dumping FAT log data */
53 #define POST_STAGE_FAT_LOG_START       0x0D00
54 #define POST_STAGE_ARMFW_UE            0xF000  /*FW has asserted an UE*/
55 
56 /* Lancer SLIPORT registers */
57 #define SLIPORT_STATUS_OFFSET		0x404
58 #define SLIPORT_CONTROL_OFFSET		0x408
59 #define SLIPORT_ERROR1_OFFSET		0x40C
60 #define SLIPORT_ERROR2_OFFSET		0x410
61 #define PHYSDEV_CONTROL_OFFSET		0x414
62 
63 #define SLIPORT_STATUS_ERR_MASK		0x80000000
64 #define SLIPORT_STATUS_DIP_MASK		0x02000000
65 #define SLIPORT_STATUS_RN_MASK		0x01000000
66 #define SLIPORT_STATUS_RDY_MASK		0x00800000
67 #define SLI_PORT_CONTROL_IP_MASK	0x08000000
68 #define PHYSDEV_CONTROL_FW_RESET_MASK	0x00000002
69 #define PHYSDEV_CONTROL_DD_MASK		0x00000004
70 #define PHYSDEV_CONTROL_INP_MASK	0x40000000
71 
72 #define SLIPORT_ERROR_NO_RESOURCE1	0x2
73 #define SLIPORT_ERROR_NO_RESOURCE2	0x9
74 
75 #define SLIPORT_ERROR_FW_RESET1		0x2
76 #define SLIPORT_ERROR_FW_RESET2		0x0
77 
78 /********* Memory BAR register ************/
79 #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 	0xfc
80 /* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
81  * Disable" may still globally block interrupts in addition to individual
82  * interrupt masks; a mechanism for the device driver to block all interrupts
83  * atomically without having to arbitrate for the PCI Interrupt Disable bit
84  * with the OS.
85  */
86 #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK	BIT(29) /* bit 29 */
87 
88 /********* PCI Function Capability *********/
89 #define BE_FUNCTION_CAPS_RSS			0x2
90 #define BE_FUNCTION_CAPS_SUPER_NIC		0x40
91 
92 /********* Power management (WOL) **********/
93 #define PCICFG_PM_CONTROL_OFFSET		0x44
94 #define PCICFG_PM_CONTROL_MASK			0x108	/* bits 3 & 8 */
95 
96 /********* Online Control Registers *******/
97 #define PCICFG_ONLINE0				0xB0
98 #define PCICFG_ONLINE1				0xB4
99 
100 /********* UE Status and Mask Registers ***/
101 #define PCICFG_UE_STATUS_LOW			0xA0
102 #define PCICFG_UE_STATUS_HIGH			0xA4
103 #define PCICFG_UE_STATUS_LOW_MASK		0xA8
104 #define PCICFG_UE_STATUS_HI_MASK		0xAC
105 
106 /******** SLI_INTF ***********************/
107 #define SLI_INTF_REG_OFFSET			0x58
108 #define SLI_INTF_VALID_MASK			0xE0000000
109 #define SLI_INTF_VALID				0xC0000000
110 #define SLI_INTF_HINT2_MASK			0x1F000000
111 #define SLI_INTF_HINT2_SHIFT			24
112 #define SLI_INTF_HINT1_MASK			0x00FF0000
113 #define SLI_INTF_HINT1_SHIFT			16
114 #define SLI_INTF_FAMILY_MASK			0x00000F00
115 #define SLI_INTF_FAMILY_SHIFT			8
116 #define SLI_INTF_IF_TYPE_MASK			0x0000F000
117 #define SLI_INTF_IF_TYPE_SHIFT			12
118 #define SLI_INTF_REV_MASK			0x000000F0
119 #define SLI_INTF_REV_SHIFT			4
120 #define SLI_INTF_FT_MASK			0x00000001
121 
122 #define SLI_INTF_TYPE_2		2
123 #define SLI_INTF_TYPE_3		3
124 
125 /********* ISR0 Register offset **********/
126 #define CEV_ISR0_OFFSET 			0xC18
127 #define CEV_ISR_SIZE				4
128 
129 /********* Event Q door bell *************/
130 #define DB_EQ_OFFSET			DB_CQ_OFFSET
131 #define DB_EQ_RING_ID_MASK		0x1FF	/* bits 0 - 8 */
132 #define DB_EQ_RING_ID_EXT_MASK		0x3e00  /* bits 9-13 */
133 #define DB_EQ_RING_ID_EXT_MASK_SHIFT	(2) /* qid bits 9-13 placing at 11-15 */
134 
135 /* Clear the interrupt for this eq */
136 #define DB_EQ_CLR_SHIFT			(9)	/* bit 9 */
137 /* Must be 1 */
138 #define DB_EQ_EVNT_SHIFT		(10)	/* bit 10 */
139 /* Number of event entries processed */
140 #define DB_EQ_NUM_POPPED_SHIFT		(16)	/* bits 16 - 28 */
141 /* Rearm bit */
142 #define DB_EQ_REARM_SHIFT		(29)	/* bit 29 */
143 /* Rearm to interrupt delay encoding */
144 #define DB_EQ_R2I_DLY_SHIFT		(30)    /* bits 30 - 31 */
145 
146 /* Rearm to interrupt (R2I) delay multiplier encoding represents 3 different
147  * values configured in CEV_REARM2IRPT_DLY_MULT_CSR register. This value is
148  * programmed by host driver while ringing an EQ doorbell(EQ_DB) if a delay
149  * between rearming the EQ and next interrupt on this EQ is desired.
150  */
151 #define	R2I_DLY_ENC_0			0	/* No delay */
152 #define	R2I_DLY_ENC_1			1	/* maps to 160us EQ delay */
153 #define	R2I_DLY_ENC_2			2	/* maps to 96us EQ delay */
154 #define	R2I_DLY_ENC_3			3	/* maps to 48us EQ delay */
155 
156 /********* Compl Q door bell *************/
157 #define DB_CQ_OFFSET 			0x120
158 #define DB_CQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
159 #define DB_CQ_RING_ID_EXT_MASK		0x7C00	/* bits 10-14 */
160 #define DB_CQ_RING_ID_EXT_MASK_SHIFT	(1)	/* qid bits 10-14
161 						 placing at 11-15 */
162 
163 /* Number of event entries processed */
164 #define DB_CQ_NUM_POPPED_SHIFT		(16) 	/* bits 16 - 28 */
165 /* Rearm bit */
166 #define DB_CQ_REARM_SHIFT		(29) 	/* bit 29 */
167 
168 /********** TX ULP door bell *************/
169 #define DB_TXULP1_OFFSET		0x60
170 #define DB_TXULP_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
171 /* Number of tx entries posted */
172 #define DB_TXULP_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
173 #define DB_TXULP_NUM_POSTED_MASK	0x3FFF	/* bits 16 - 29 */
174 
175 /********** RQ(erx) door bell ************/
176 #define DB_RQ_OFFSET 			0x100
177 #define DB_RQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
178 /* Number of rx frags posted */
179 #define DB_RQ_NUM_POSTED_SHIFT		(24)	/* bits 24 - 31 */
180 
181 /********** MCC door bell ************/
182 #define DB_MCCQ_OFFSET 			0x140
183 #define DB_MCCQ_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
184 /* Number of entries posted */
185 #define DB_MCCQ_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
186 
187 /********** SRIOV VF PCICFG OFFSET ********/
188 #define SRIOV_VF_PCICFG_OFFSET		(4096)
189 
190 /********** FAT TABLE  ********/
191 #define RETRIEVE_FAT	0
192 #define QUERY_FAT	1
193 
194 /************* Rx Packet Type Encoding **************/
195 #define BE_UNICAST_PACKET		0
196 #define BE_MULTICAST_PACKET		1
197 #define BE_BROADCAST_PACKET		2
198 #define BE_RSVD_PACKET			3
199 
200 /*
201  * BE descriptors: host memory data structures whose formats
202  * are hardwired in BE silicon.
203  */
204 /* Event Queue Descriptor */
205 #define EQ_ENTRY_VALID_MASK 		0x1	/* bit 0 */
206 #define EQ_ENTRY_RES_ID_MASK 		0xFFFF	/* bits 16 - 31 */
207 #define EQ_ENTRY_RES_ID_SHIFT 		16
208 
209 struct be_eq_entry {
210 	u32 evt;
211 };
212 
213 /* TX Queue Descriptor */
214 #define ETH_WRB_FRAG_LEN_MASK		0xFFFF
215 struct be_eth_wrb {
216 	__le32 frag_pa_hi;		/* dword 0 */
217 	__le32 frag_pa_lo;		/* dword 1 */
218 	u32 rsvd0;			/* dword 2 */
219 	__le32 frag_len;		/* dword 3: bits 0 - 15 */
220 } __packed;
221 
222 /* Pseudo amap definition for eth_hdr_wrb in which each bit of the
223  * actual structure is defined as a byte : used to calculate
224  * offset/shift/mask of each field */
225 struct amap_eth_hdr_wrb {
226 	u8 rsvd0[32];		/* dword 0 */
227 	u8 rsvd1[32];		/* dword 1 */
228 	u8 complete;		/* dword 2 */
229 	u8 event;
230 	u8 crc;
231 	u8 forward;
232 	u8 lso6;
233 	u8 mgmt;
234 	u8 ipcs;
235 	u8 udpcs;
236 	u8 tcpcs;
237 	u8 lso;
238 	u8 vlan;
239 	u8 gso[2];
240 	u8 num_wrb[5];
241 	u8 lso_mss[14];
242 	u8 len[16];		/* dword 3 */
243 	u8 vlan_tag[16];
244 } __packed;
245 
246 #define TX_HDR_WRB_COMPL		1		/* word 2 */
247 #define TX_HDR_WRB_EVT			BIT(1)		/* word 2 */
248 #define TX_HDR_WRB_NUM_SHIFT		13		/* word 2: bits 13:17 */
249 #define TX_HDR_WRB_NUM_MASK		0x1F		/* word 2: bits 13:17 */
250 
251 struct be_eth_hdr_wrb {
252 	__le32 dw[4];
253 };
254 
255 /********* Tx Compl Status Encoding *********/
256 #define BE_TX_COMP_HDR_PARSE_ERR	0x2
257 #define BE_TX_COMP_NDMA_ERR		0x3
258 #define BE_TX_COMP_ACL_ERR		0x5
259 
260 #define LANCER_TX_COMP_LSO_ERR			0x1
261 #define LANCER_TX_COMP_HSW_DROP_MAC_ERR		0x3
262 #define LANCER_TX_COMP_HSW_DROP_VLAN_ERR	0x5
263 #define LANCER_TX_COMP_QINQ_ERR			0x7
264 #define LANCER_TX_COMP_PARITY_ERR		0xb
265 #define LANCER_TX_COMP_DMA_ERR			0xd
266 
267 /* TX Compl Queue Descriptor */
268 
269 /* Pseudo amap definition for eth_tx_compl in which each bit of the
270  * actual structure is defined as a byte: used to calculate
271  * offset/shift/mask of each field */
272 struct amap_eth_tx_compl {
273 	u8 wrb_index[16];	/* dword 0 */
274 	u8 ct[2]; 		/* dword 0 */
275 	u8 port[2];		/* dword 0 */
276 	u8 rsvd0[8];		/* dword 0 */
277 	u8 status[4];		/* dword 0 */
278 	u8 user_bytes[16];	/* dword 1 */
279 	u8 nwh_bytes[8];	/* dword 1 */
280 	u8 lso;			/* dword 1 */
281 	u8 cast_enc[2];		/* dword 1 */
282 	u8 rsvd1[5];		/* dword 1 */
283 	u8 rsvd2[32];		/* dword 2 */
284 	u8 pkts[16];		/* dword 3 */
285 	u8 ringid[11];		/* dword 3 */
286 	u8 hash_val[4];		/* dword 3 */
287 	u8 valid;		/* dword 3 */
288 } __packed;
289 
290 struct be_eth_tx_compl {
291 	u32 dw[4];
292 };
293 
294 /* RX Queue Descriptor */
295 struct be_eth_rx_d {
296 	u32 fragpa_hi;
297 	u32 fragpa_lo;
298 };
299 
300 /* RX Compl Queue Descriptor */
301 
302 /* Pseudo amap definition for BE2 and BE3 legacy mode eth_rx_compl in which
303  * each bit of the actual structure is defined as a byte: used to calculate
304  * offset/shift/mask of each field */
305 struct amap_eth_rx_compl_v0 {
306 	u8 vlan_tag[16];	/* dword 0 */
307 	u8 pktsize[14];		/* dword 0 */
308 	u8 port;		/* dword 0 */
309 	u8 ip_opt;		/* dword 0 */
310 	u8 err;			/* dword 1 */
311 	u8 rsshp;		/* dword 1 */
312 	u8 ipf;			/* dword 1 */
313 	u8 tcpf;		/* dword 1 */
314 	u8 udpf;		/* dword 1 */
315 	u8 ipcksm;		/* dword 1 */
316 	u8 l4_cksm;		/* dword 1 */
317 	u8 ip_version;		/* dword 1 */
318 	u8 macdst[6];		/* dword 1 */
319 	u8 vtp;			/* dword 1 */
320 	u8 ip_frag;		/* dword 1 */
321 	u8 fragndx[10];		/* dword 1 */
322 	u8 ct[2];		/* dword 1 */
323 	u8 sw;			/* dword 1 */
324 	u8 numfrags[3];		/* dword 1 */
325 	u8 rss_flush;		/* dword 2 */
326 	u8 cast_enc[2];		/* dword 2 */
327 	u8 qnq;			/* dword 2 */
328 	u8 rss_bank;		/* dword 2 */
329 	u8 rsvd1[23];		/* dword 2 */
330 	u8 lro_pkt;		/* dword 2 */
331 	u8 rsvd2[2];		/* dword 2 */
332 	u8 valid;		/* dword 2 */
333 	u8 rsshash[32];		/* dword 3 */
334 } __packed;
335 
336 /* Pseudo amap definition for BE3 native mode eth_rx_compl in which
337  * each bit of the actual structure is defined as a byte: used to calculate
338  * offset/shift/mask of each field */
339 struct amap_eth_rx_compl_v1 {
340 	u8 vlan_tag[16];	/* dword 0 */
341 	u8 pktsize[14];		/* dword 0 */
342 	u8 vtp;			/* dword 0 */
343 	u8 ip_opt;		/* dword 0 */
344 	u8 err;			/* dword 1 */
345 	u8 rsshp;		/* dword 1 */
346 	u8 ipf;			/* dword 1 */
347 	u8 tcpf;		/* dword 1 */
348 	u8 udpf;		/* dword 1 */
349 	u8 ipcksm;		/* dword 1 */
350 	u8 l4_cksm;		/* dword 1 */
351 	u8 ip_version;		/* dword 1 */
352 	u8 macdst[7];		/* dword 1 */
353 	u8 rsvd0;		/* dword 1 */
354 	u8 fragndx[10];		/* dword 1 */
355 	u8 ct[2];		/* dword 1 */
356 	u8 sw;			/* dword 1 */
357 	u8 numfrags[3];		/* dword 1 */
358 	u8 rss_flush;		/* dword 2 */
359 	u8 cast_enc[2];		/* dword 2 */
360 	u8 qnq;			/* dword 2 */
361 	u8 rss_bank;		/* dword 2 */
362 	u8 port[2];		/* dword 2 */
363 	u8 vntagp;		/* dword 2 */
364 	u8 header_len[8];	/* dword 2 */
365 	u8 header_split[2];	/* dword 2 */
366 	u8 rsvd1[12];		/* dword 2 */
367 	u8 tunneled;
368 	u8 valid;		/* dword 2 */
369 	u8 rsshash[32];		/* dword 3 */
370 } __packed;
371 
372 struct be_eth_rx_compl {
373 	u32 dw[4];
374 };
375