xref: /linux/drivers/net/ethernet/emulex/benet/be_hw.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright (C) 2005 - 2015 Emulex
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_SEMAPHORE_OFFSET_BEx		0xac  /* CSR BAR offset */
36 #define SLIPORT_SEMAPHORE_OFFSET_SH		0x94  /* PCI-CFG offset */
37 #define POST_STAGE_MASK				0x0000FFFF
38 #define POST_ERR_MASK				0x1
39 #define POST_ERR_SHIFT				31
40 
41 /* MPU semphore POST stage values */
42 #define POST_STAGE_AWAITING_HOST_RDY 	0x1 /* FW awaiting goahead from host */
43 #define POST_STAGE_HOST_RDY 		0x2 /* Host has given go-ahed to FW */
44 #define POST_STAGE_BE_RESET		0x3 /* Host wants to reset chip */
45 #define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
46 
47 
48 /* Lancer SLIPORT registers */
49 #define SLIPORT_STATUS_OFFSET		0x404
50 #define SLIPORT_CONTROL_OFFSET		0x408
51 #define SLIPORT_ERROR1_OFFSET		0x40C
52 #define SLIPORT_ERROR2_OFFSET		0x410
53 #define PHYSDEV_CONTROL_OFFSET		0x414
54 
55 #define SLIPORT_STATUS_ERR_MASK		0x80000000
56 #define SLIPORT_STATUS_DIP_MASK		0x02000000
57 #define SLIPORT_STATUS_RN_MASK		0x01000000
58 #define SLIPORT_STATUS_RDY_MASK		0x00800000
59 #define SLI_PORT_CONTROL_IP_MASK	0x08000000
60 #define PHYSDEV_CONTROL_FW_RESET_MASK	0x00000002
61 #define PHYSDEV_CONTROL_DD_MASK		0x00000004
62 #define PHYSDEV_CONTROL_INP_MASK	0x40000000
63 
64 #define SLIPORT_ERROR_NO_RESOURCE1	0x2
65 #define SLIPORT_ERROR_NO_RESOURCE2	0x9
66 
67 #define SLIPORT_ERROR_FW_RESET1		0x2
68 #define SLIPORT_ERROR_FW_RESET2		0x0
69 
70 /********* Memory BAR register ************/
71 #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 	0xfc
72 /* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
73  * Disable" may still globally block interrupts in addition to individual
74  * interrupt masks; a mechanism for the device driver to block all interrupts
75  * atomically without having to arbitrate for the PCI Interrupt Disable bit
76  * with the OS.
77  */
78 #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK	BIT(29) /* bit 29 */
79 
80 /********* PCI Function Capability *********/
81 #define BE_FUNCTION_CAPS_RSS			0x2
82 #define BE_FUNCTION_CAPS_SUPER_NIC		0x40
83 
84 /********* Power management (WOL) **********/
85 #define PCICFG_PM_CONTROL_OFFSET		0x44
86 #define PCICFG_PM_CONTROL_MASK			0x108	/* bits 3 & 8 */
87 
88 /********* Online Control Registers *******/
89 #define PCICFG_ONLINE0				0xB0
90 #define PCICFG_ONLINE1				0xB4
91 
92 /********* UE Status and Mask Registers ***/
93 #define PCICFG_UE_STATUS_LOW			0xA0
94 #define PCICFG_UE_STATUS_HIGH			0xA4
95 #define PCICFG_UE_STATUS_LOW_MASK		0xA8
96 #define PCICFG_UE_STATUS_HI_MASK		0xAC
97 
98 /******** SLI_INTF ***********************/
99 #define SLI_INTF_REG_OFFSET			0x58
100 #define SLI_INTF_VALID_MASK			0xE0000000
101 #define SLI_INTF_VALID				0xC0000000
102 #define SLI_INTF_HINT2_MASK			0x1F000000
103 #define SLI_INTF_HINT2_SHIFT			24
104 #define SLI_INTF_HINT1_MASK			0x00FF0000
105 #define SLI_INTF_HINT1_SHIFT			16
106 #define SLI_INTF_FAMILY_MASK			0x00000F00
107 #define SLI_INTF_FAMILY_SHIFT			8
108 #define SLI_INTF_IF_TYPE_MASK			0x0000F000
109 #define SLI_INTF_IF_TYPE_SHIFT			12
110 #define SLI_INTF_REV_MASK			0x000000F0
111 #define SLI_INTF_REV_SHIFT			4
112 #define SLI_INTF_FT_MASK			0x00000001
113 
114 #define SLI_INTF_TYPE_2		2
115 #define SLI_INTF_TYPE_3		3
116 
117 /********* ISR0 Register offset **********/
118 #define CEV_ISR0_OFFSET 			0xC18
119 #define CEV_ISR_SIZE				4
120 
121 /********* Event Q door bell *************/
122 #define DB_EQ_OFFSET			DB_CQ_OFFSET
123 #define DB_EQ_RING_ID_MASK		0x1FF	/* bits 0 - 8 */
124 #define DB_EQ_RING_ID_EXT_MASK		0x3e00  /* bits 9-13 */
125 #define DB_EQ_RING_ID_EXT_MASK_SHIFT	(2) /* qid bits 9-13 placing at 11-15 */
126 
127 /* Clear the interrupt for this eq */
128 #define DB_EQ_CLR_SHIFT			(9)	/* bit 9 */
129 /* Must be 1 */
130 #define DB_EQ_EVNT_SHIFT		(10)	/* bit 10 */
131 /* Number of event entries processed */
132 #define DB_EQ_NUM_POPPED_SHIFT		(16)	/* bits 16 - 28 */
133 /* Rearm bit */
134 #define DB_EQ_REARM_SHIFT		(29)	/* bit 29 */
135 /* Rearm to interrupt delay encoding */
136 #define DB_EQ_R2I_DLY_SHIFT		(30)    /* bits 30 - 31 */
137 
138 /* Rearm to interrupt (R2I) delay multiplier encoding represents 3 different
139  * values configured in CEV_REARM2IRPT_DLY_MULT_CSR register. This value is
140  * programmed by host driver while ringing an EQ doorbell(EQ_DB) if a delay
141  * between rearming the EQ and next interrupt on this EQ is desired.
142  */
143 #define	R2I_DLY_ENC_0			0	/* No delay */
144 #define	R2I_DLY_ENC_1			1	/* maps to 160us EQ delay */
145 #define	R2I_DLY_ENC_2			2	/* maps to 96us EQ delay */
146 #define	R2I_DLY_ENC_3			3	/* maps to 48us EQ delay */
147 
148 /********* Compl Q door bell *************/
149 #define DB_CQ_OFFSET 			0x120
150 #define DB_CQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
151 #define DB_CQ_RING_ID_EXT_MASK		0x7C00	/* bits 10-14 */
152 #define DB_CQ_RING_ID_EXT_MASK_SHIFT	(1)	/* qid bits 10-14
153 						 placing at 11-15 */
154 
155 /* Number of event entries processed */
156 #define DB_CQ_NUM_POPPED_SHIFT		(16) 	/* bits 16 - 28 */
157 /* Rearm bit */
158 #define DB_CQ_REARM_SHIFT		(29) 	/* bit 29 */
159 
160 /********** TX ULP door bell *************/
161 #define DB_TXULP1_OFFSET		0x60
162 #define DB_TXULP_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
163 /* Number of tx entries posted */
164 #define DB_TXULP_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
165 #define DB_TXULP_NUM_POSTED_MASK	0x3FFF	/* bits 16 - 29 */
166 
167 /********** RQ(erx) door bell ************/
168 #define DB_RQ_OFFSET 			0x100
169 #define DB_RQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
170 /* Number of rx frags posted */
171 #define DB_RQ_NUM_POSTED_SHIFT		(24)	/* bits 24 - 31 */
172 
173 /********** MCC door bell ************/
174 #define DB_MCCQ_OFFSET 			0x140
175 #define DB_MCCQ_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
176 /* Number of entries posted */
177 #define DB_MCCQ_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
178 
179 /********** SRIOV VF PCICFG OFFSET ********/
180 #define SRIOV_VF_PCICFG_OFFSET		(4096)
181 
182 /********** FAT TABLE  ********/
183 #define RETRIEVE_FAT	0
184 #define QUERY_FAT	1
185 
186 /************* Rx Packet Type Encoding **************/
187 #define BE_UNICAST_PACKET		0
188 #define BE_MULTICAST_PACKET		1
189 #define BE_BROADCAST_PACKET		2
190 #define BE_RSVD_PACKET			3
191 
192 /*
193  * BE descriptors: host memory data structures whose formats
194  * are hardwired in BE silicon.
195  */
196 /* Event Queue Descriptor */
197 #define EQ_ENTRY_VALID_MASK 		0x1	/* bit 0 */
198 #define EQ_ENTRY_RES_ID_MASK 		0xFFFF	/* bits 16 - 31 */
199 #define EQ_ENTRY_RES_ID_SHIFT 		16
200 
201 struct be_eq_entry {
202 	u32 evt;
203 };
204 
205 /* TX Queue Descriptor */
206 #define ETH_WRB_FRAG_LEN_MASK		0xFFFF
207 struct be_eth_wrb {
208 	__le32 frag_pa_hi;		/* dword 0 */
209 	__le32 frag_pa_lo;		/* dword 1 */
210 	u32 rsvd0;			/* dword 2 */
211 	__le32 frag_len;		/* dword 3: bits 0 - 15 */
212 } __packed;
213 
214 /* Pseudo amap definition for eth_hdr_wrb in which each bit of the
215  * actual structure is defined as a byte : used to calculate
216  * offset/shift/mask of each field */
217 struct amap_eth_hdr_wrb {
218 	u8 rsvd0[32];		/* dword 0 */
219 	u8 rsvd1[32];		/* dword 1 */
220 	u8 complete;		/* dword 2 */
221 	u8 event;
222 	u8 crc;
223 	u8 forward;
224 	u8 lso6;
225 	u8 mgmt;
226 	u8 ipcs;
227 	u8 udpcs;
228 	u8 tcpcs;
229 	u8 lso;
230 	u8 vlan;
231 	u8 gso[2];
232 	u8 num_wrb[5];
233 	u8 lso_mss[14];
234 	u8 len[16];		/* dword 3 */
235 	u8 vlan_tag[16];
236 } __packed;
237 
238 #define TX_HDR_WRB_COMPL		1		/* word 2 */
239 #define TX_HDR_WRB_EVT			BIT(1)		/* word 2 */
240 #define TX_HDR_WRB_NUM_SHIFT		13		/* word 2: bits 13:17 */
241 #define TX_HDR_WRB_NUM_MASK		0x1F		/* word 2: bits 13:17 */
242 
243 struct be_eth_hdr_wrb {
244 	__le32 dw[4];
245 };
246 
247 /********* Tx Compl Status Encoding *********/
248 #define BE_TX_COMP_HDR_PARSE_ERR	0x2
249 #define BE_TX_COMP_NDMA_ERR		0x3
250 #define BE_TX_COMP_ACL_ERR		0x5
251 
252 #define LANCER_TX_COMP_LSO_ERR			0x1
253 #define LANCER_TX_COMP_HSW_DROP_MAC_ERR		0x3
254 #define LANCER_TX_COMP_HSW_DROP_VLAN_ERR	0x5
255 #define LANCER_TX_COMP_QINQ_ERR			0x7
256 #define LANCER_TX_COMP_PARITY_ERR		0xb
257 #define LANCER_TX_COMP_DMA_ERR			0xd
258 
259 /* TX Compl Queue Descriptor */
260 
261 /* Pseudo amap definition for eth_tx_compl in which each bit of the
262  * actual structure is defined as a byte: used to calculate
263  * offset/shift/mask of each field */
264 struct amap_eth_tx_compl {
265 	u8 wrb_index[16];	/* dword 0 */
266 	u8 ct[2]; 		/* dword 0 */
267 	u8 port[2];		/* dword 0 */
268 	u8 rsvd0[8];		/* dword 0 */
269 	u8 status[4];		/* dword 0 */
270 	u8 user_bytes[16];	/* dword 1 */
271 	u8 nwh_bytes[8];	/* dword 1 */
272 	u8 lso;			/* dword 1 */
273 	u8 cast_enc[2];		/* dword 1 */
274 	u8 rsvd1[5];		/* dword 1 */
275 	u8 rsvd2[32];		/* dword 2 */
276 	u8 pkts[16];		/* dword 3 */
277 	u8 ringid[11];		/* dword 3 */
278 	u8 hash_val[4];		/* dword 3 */
279 	u8 valid;		/* dword 3 */
280 } __packed;
281 
282 struct be_eth_tx_compl {
283 	u32 dw[4];
284 };
285 
286 /* RX Queue Descriptor */
287 struct be_eth_rx_d {
288 	u32 fragpa_hi;
289 	u32 fragpa_lo;
290 };
291 
292 /* RX Compl Queue Descriptor */
293 
294 /* Pseudo amap definition for BE2 and BE3 legacy mode eth_rx_compl in which
295  * each bit of the actual structure is defined as a byte: used to calculate
296  * offset/shift/mask of each field */
297 struct amap_eth_rx_compl_v0 {
298 	u8 vlan_tag[16];	/* dword 0 */
299 	u8 pktsize[14];		/* dword 0 */
300 	u8 port;		/* dword 0 */
301 	u8 ip_opt;		/* dword 0 */
302 	u8 err;			/* dword 1 */
303 	u8 rsshp;		/* dword 1 */
304 	u8 ipf;			/* dword 1 */
305 	u8 tcpf;		/* dword 1 */
306 	u8 udpf;		/* dword 1 */
307 	u8 ipcksm;		/* dword 1 */
308 	u8 l4_cksm;		/* dword 1 */
309 	u8 ip_version;		/* dword 1 */
310 	u8 macdst[6];		/* dword 1 */
311 	u8 vtp;			/* dword 1 */
312 	u8 ip_frag;		/* dword 1 */
313 	u8 fragndx[10];		/* dword 1 */
314 	u8 ct[2];		/* dword 1 */
315 	u8 sw;			/* dword 1 */
316 	u8 numfrags[3];		/* dword 1 */
317 	u8 rss_flush;		/* dword 2 */
318 	u8 cast_enc[2];		/* dword 2 */
319 	u8 qnq;			/* dword 2 */
320 	u8 rss_bank;		/* dword 2 */
321 	u8 rsvd1[23];		/* dword 2 */
322 	u8 lro_pkt;		/* dword 2 */
323 	u8 rsvd2[2];		/* dword 2 */
324 	u8 valid;		/* dword 2 */
325 	u8 rsshash[32];		/* dword 3 */
326 } __packed;
327 
328 /* Pseudo amap definition for BE3 native mode eth_rx_compl in which
329  * each bit of the actual structure is defined as a byte: used to calculate
330  * offset/shift/mask of each field */
331 struct amap_eth_rx_compl_v1 {
332 	u8 vlan_tag[16];	/* dword 0 */
333 	u8 pktsize[14];		/* dword 0 */
334 	u8 vtp;			/* dword 0 */
335 	u8 ip_opt;		/* dword 0 */
336 	u8 err;			/* dword 1 */
337 	u8 rsshp;		/* dword 1 */
338 	u8 ipf;			/* dword 1 */
339 	u8 tcpf;		/* dword 1 */
340 	u8 udpf;		/* dword 1 */
341 	u8 ipcksm;		/* dword 1 */
342 	u8 l4_cksm;		/* dword 1 */
343 	u8 ip_version;		/* dword 1 */
344 	u8 macdst[7];		/* dword 1 */
345 	u8 rsvd0;		/* dword 1 */
346 	u8 fragndx[10];		/* dword 1 */
347 	u8 ct[2];		/* dword 1 */
348 	u8 sw;			/* dword 1 */
349 	u8 numfrags[3];		/* dword 1 */
350 	u8 rss_flush;		/* dword 2 */
351 	u8 cast_enc[2];		/* dword 2 */
352 	u8 qnq;			/* dword 2 */
353 	u8 rss_bank;		/* dword 2 */
354 	u8 port[2];		/* dword 2 */
355 	u8 vntagp;		/* dword 2 */
356 	u8 header_len[8];	/* dword 2 */
357 	u8 header_split[2];	/* dword 2 */
358 	u8 rsvd1[12];		/* dword 2 */
359 	u8 tunneled;
360 	u8 valid;		/* dword 2 */
361 	u8 rsshash[32];		/* dword 3 */
362 } __packed;
363 
364 struct be_eth_rx_compl {
365 	u32 dw[4];
366 };
367