xref: /linux/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_regs.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /**********************************************************************
2  * Author: Cavium, Inc.
3  *
4  * Contact: support@cavium.com
5  *          Please include "LiquidIO" in the subject.
6  *
7  * Copyright (c) 2003-2016 Cavium, Inc.
8  *
9  * This file is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License, Version 2, as
11  * published by the Free Software Foundation.
12  *
13  * This file is distributed in the hope that it will be useful, but
14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
15  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
16  * NONINFRINGEMENT.  See the GNU General Public License for more details.
17  ***********************************************************************/
18 /*! \file cn23xx_vf_regs.h
19  * \brief Host Driver: Register Address and Register Mask values for
20  * Octeon CN23XX vf functions.
21  */
22 
23 #ifndef __CN23XX_VF_REGS_H__
24 #define __CN23XX_VF_REGS_H__
25 
26 #define     CN23XX_CONFIG_XPANSION_BAR             0x38
27 
28 #define     CN23XX_CONFIG_PCIE_CAP                 0x70
29 #define     CN23XX_CONFIG_PCIE_DEVCAP              0x74
30 #define     CN23XX_CONFIG_PCIE_DEVCTL              0x78
31 #define     CN23XX_CONFIG_PCIE_LINKCAP             0x7C
32 #define     CN23XX_CONFIG_PCIE_LINKCTL             0x80
33 #define     CN23XX_CONFIG_PCIE_SLOTCAP             0x84
34 #define     CN23XX_CONFIG_PCIE_SLOTCTL             0x88
35 
36 #define     CN23XX_CONFIG_PCIE_FLTMSK              0x720
37 
38 /* The input jabber is used to determine the TSO max size.
39  * Due to H/W limitation, this needs to be reduced to 60000
40  * in order to use H/W TSO and avoid the WQE malformation
41  * PKO_BUG_24989_WQE_LEN
42  */
43 #define    CN23XX_DEFAULT_INPUT_JABBER             0xEA60 /*60000*/
44 
45 /* ##############  BAR0 Registers ################ */
46 
47 /* Each Input Queue register is at a 16-byte Offset in BAR0 */
48 #define    CN23XX_VF_IQ_OFFSET                     0x20000
49 
50 /*###################### REQUEST QUEUE #########################*/
51 
52 /* 64 registers for Input Queue Instr Count - SLI_PKT_IN_DONE0_CNTS */
53 #define    CN23XX_VF_SLI_IQ_INSTR_COUNT_START64     0x10040
54 
55 /* 64 registers for Input Queues Start Addr - SLI_PKT0_INSTR_BADDR */
56 #define    CN23XX_VF_SLI_IQ_BASE_ADDR_START64       0x10010
57 
58 /* 64 registers for Input Doorbell - SLI_PKT0_INSTR_BAOFF_DBELL */
59 #define    CN23XX_VF_SLI_IQ_DOORBELL_START          0x10020
60 
61 /* 64 registers for Input Queue size - SLI_PKT0_INSTR_FIFO_RSIZE */
62 #define    CN23XX_VF_SLI_IQ_SIZE_START              0x10030
63 
64 /* 64 registers (64-bit) - ES, RO, NS, Arbitration for Input Queue Data &
65  * gather list fetches. SLI_PKT(0..63)_INPUT_CONTROL.
66  */
67 #define    CN23XX_VF_SLI_IQ_PKT_CONTROL_START64     0x10000
68 
69 /*------- Request Queue Macros ---------*/
70 #define CN23XX_VF_SLI_IQ_PKT_CONTROL64(iq)		\
71 	(CN23XX_VF_SLI_IQ_PKT_CONTROL_START64 + ((iq) * CN23XX_VF_IQ_OFFSET))
72 
73 #define CN23XX_VF_SLI_IQ_BASE_ADDR64(iq)		\
74 	(CN23XX_VF_SLI_IQ_BASE_ADDR_START64 + ((iq) * CN23XX_VF_IQ_OFFSET))
75 
76 #define CN23XX_VF_SLI_IQ_SIZE(iq)			\
77 	(CN23XX_VF_SLI_IQ_SIZE_START + ((iq) * CN23XX_VF_IQ_OFFSET))
78 
79 #define CN23XX_VF_SLI_IQ_DOORBELL(iq)			\
80 	(CN23XX_VF_SLI_IQ_DOORBELL_START + ((iq) * CN23XX_VF_IQ_OFFSET))
81 
82 #define CN23XX_VF_SLI_IQ_INSTR_COUNT64(iq)		\
83 	(CN23XX_VF_SLI_IQ_INSTR_COUNT_START64 + ((iq) * CN23XX_VF_IQ_OFFSET))
84 
85 /*------------------ Masks ----------------*/
86 #define    CN23XX_PKT_INPUT_CTL_VF_NUM                  BIT_ULL(32)
87 #define    CN23XX_PKT_INPUT_CTL_MAC_NUM                 BIT(29)
88 /* Number of instructions to be read in one MAC read request.
89  * setting to Max value(4)
90  */
91 #define    CN23XX_PKT_INPUT_CTL_RDSIZE                  (3 << 25)
92 #define    CN23XX_PKT_INPUT_CTL_IS_64B                  BIT(24)
93 #define    CN23XX_PKT_INPUT_CTL_RST                     BIT(23)
94 #define    CN23XX_PKT_INPUT_CTL_QUIET                   BIT(28)
95 #define    CN23XX_PKT_INPUT_CTL_RING_ENB                BIT(22)
96 #define    CN23XX_PKT_INPUT_CTL_DATA_NS                 BIT(8)
97 #define    CN23XX_PKT_INPUT_CTL_DATA_ES_64B_SWAP        BIT(6)
98 #define    CN23XX_PKT_INPUT_CTL_DATA_RO                 BIT(5)
99 #define    CN23XX_PKT_INPUT_CTL_USE_CSR                 BIT(4)
100 #define    CN23XX_PKT_INPUT_CTL_GATHER_NS               BIT(3)
101 #define    CN23XX_PKT_INPUT_CTL_GATHER_ES_64B_SWAP      (2)
102 #define    CN23XX_PKT_INPUT_CTL_GATHER_RO               (1)
103 
104 /** Rings per Virtual Function [RO] **/
105 #define    CN23XX_PKT_INPUT_CTL_RPVF_MASK               (0x3F)
106 #define    CN23XX_PKT_INPUT_CTL_RPVF_POS                (48)
107 /* These bits[47:44][RO] give the Physical function number info within the MAC*/
108 #define    CN23XX_PKT_INPUT_CTL_PF_NUM_MASK             (0x7)
109 #define    CN23XX_PKT_INPUT_CTL_PF_NUM_POS              (45)
110 /** These bits[43:32][RO] give the virtual function number info within the PF*/
111 #define    CN23XX_PKT_INPUT_CTL_VF_NUM_MASK             (0x1FFF)
112 #define    CN23XX_PKT_INPUT_CTL_VF_NUM_POS              (32)
113 #define    CN23XX_PKT_INPUT_CTL_MAC_NUM_MASK            (0x3)
114 #define    CN23XX_PKT_INPUT_CTL_MAC_NUM_POS             (29)
115 #define    CN23XX_PKT_IN_DONE_WMARK_MASK                (0xFFFFULL)
116 #define    CN23XX_PKT_IN_DONE_WMARK_BIT_POS             (32)
117 #define    CN23XX_PKT_IN_DONE_CNT_MASK                  (0x00000000FFFFFFFFULL)
118 
119 #ifdef __LITTLE_ENDIAN_BITFIELD
120 #define CN23XX_PKT_INPUT_CTL_MASK			\
121 	(CN23XX_PKT_INPUT_CTL_RDSIZE			\
122 	 | CN23XX_PKT_INPUT_CTL_DATA_ES_64B_SWAP	\
123 	 | CN23XX_PKT_INPUT_CTL_USE_CSR)
124 #else
125 #define CN23XX_PKT_INPUT_CTL_MASK			\
126 	(CN23XX_PKT_INPUT_CTL_RDSIZE			\
127 	 | CN23XX_PKT_INPUT_CTL_DATA_ES_64B_SWAP	\
128 	 | CN23XX_PKT_INPUT_CTL_USE_CSR			\
129 	 | CN23XX_PKT_INPUT_CTL_GATHER_ES_64B_SWAP)
130 #endif
131 
132 /** Masks for SLI_PKT_IN_DONE(0..63)_CNTS Register */
133 #define    CN23XX_IN_DONE_CNTS_PI_INT               BIT_ULL(62)
134 #define    CN23XX_IN_DONE_CNTS_CINT_ENB             BIT_ULL(48)
135 
136 /*############################ OUTPUT QUEUE #########################*/
137 
138 /* 64 registers for Output queue control - SLI_PKT(0..63)_OUTPUT_CONTROL */
139 #define    CN23XX_VF_SLI_OQ_PKT_CONTROL_START       0x10050
140 
141 /* 64 registers for Output queue buffer and info size - SLI_PKT0_OUT_SIZE */
142 #define    CN23XX_VF_SLI_OQ0_BUFF_INFO_SIZE         0x10060
143 
144 /* 64 registers for Output Queue Start Addr - SLI_PKT0_SLIST_BADDR */
145 #define    CN23XX_VF_SLI_OQ_BASE_ADDR_START64       0x10070
146 
147 /* 64 registers for Output Queue Packet Credits - SLI_PKT0_SLIST_BAOFF_DBELL */
148 #define    CN23XX_VF_SLI_OQ_PKT_CREDITS_START       0x10080
149 
150 /* 64 registers for Output Queue size - SLI_PKT0_SLIST_FIFO_RSIZE */
151 #define    CN23XX_VF_SLI_OQ_SIZE_START              0x10090
152 
153 /* 64 registers for Output Queue Packet Count - SLI_PKT0_CNTS */
154 #define    CN23XX_VF_SLI_OQ_PKT_SENT_START          0x100B0
155 
156 /* 64 registers for Output Queue INT Levels - SLI_PKT0_INT_LEVELS */
157 #define    CN23XX_VF_SLI_OQ_PKT_INT_LEVELS_START64  0x100A0
158 
159 /* Each Output Queue register is at a 16-byte Offset in BAR0 */
160 #define    CN23XX_VF_OQ_OFFSET                      0x20000
161 
162 /*------- Output Queue Macros ---------*/
163 
164 #define CN23XX_VF_SLI_OQ_PKT_CONTROL(oq)		\
165 	(CN23XX_VF_SLI_OQ_PKT_CONTROL_START + ((oq) * CN23XX_VF_OQ_OFFSET))
166 
167 #define CN23XX_VF_SLI_OQ_BASE_ADDR64(oq)		\
168 	(CN23XX_VF_SLI_OQ_BASE_ADDR_START64 + ((oq) * CN23XX_VF_OQ_OFFSET))
169 
170 #define CN23XX_VF_SLI_OQ_SIZE(oq)			\
171 	(CN23XX_VF_SLI_OQ_SIZE_START + ((oq) * CN23XX_VF_OQ_OFFSET))
172 
173 #define CN23XX_VF_SLI_OQ_BUFF_INFO_SIZE(oq)		\
174 	(CN23XX_VF_SLI_OQ0_BUFF_INFO_SIZE + ((oq) * CN23XX_VF_OQ_OFFSET))
175 
176 #define CN23XX_VF_SLI_OQ_PKTS_SENT(oq)		\
177 	(CN23XX_VF_SLI_OQ_PKT_SENT_START + ((oq) * CN23XX_VF_OQ_OFFSET))
178 
179 #define CN23XX_VF_SLI_OQ_PKTS_CREDIT(oq)		\
180 	(CN23XX_VF_SLI_OQ_PKT_CREDITS_START + ((oq) * CN23XX_VF_OQ_OFFSET))
181 
182 #define CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(oq)		\
183 	(CN23XX_VF_SLI_OQ_PKT_INT_LEVELS_START64 + ((oq) * CN23XX_VF_OQ_OFFSET))
184 
185 /* Macro's for accessing CNT and TIME separately from INT_LEVELS */
186 #define CN23XX_VF_SLI_OQ_PKT_INT_LEVELS_CNT(oq)	\
187 	(CN23XX_VF_SLI_OQ_PKT_INT_LEVELS_START64 + ((oq) * CN23XX_VF_OQ_OFFSET))
188 
189 #define CN23XX_VF_SLI_OQ_PKT_INT_LEVELS_TIME(oq)	\
190 	(CN23XX_VF_SLI_OQ_PKT_INT_LEVELS_START64 +	\
191 	 ((oq) * CN23XX_VF_OQ_OFFSET) + 4)
192 
193 /*------------------ Masks ----------------*/
194 #define    CN23XX_PKT_OUTPUT_CTL_TENB                  BIT(13)
195 #define    CN23XX_PKT_OUTPUT_CTL_CENB                  BIT(12)
196 #define    CN23XX_PKT_OUTPUT_CTL_IPTR                  BIT(11)
197 #define    CN23XX_PKT_OUTPUT_CTL_ES                    BIT(9)
198 #define    CN23XX_PKT_OUTPUT_CTL_NSR                   BIT(8)
199 #define    CN23XX_PKT_OUTPUT_CTL_ROR                   BIT(7)
200 #define    CN23XX_PKT_OUTPUT_CTL_DPTR                  BIT(6)
201 #define    CN23XX_PKT_OUTPUT_CTL_BMODE                 BIT(5)
202 #define    CN23XX_PKT_OUTPUT_CTL_ES_P                  BIT(3)
203 #define    CN23XX_PKT_OUTPUT_CTL_NSR_P                 BIT(2)
204 #define    CN23XX_PKT_OUTPUT_CTL_ROR_P                 BIT(1)
205 #define    CN23XX_PKT_OUTPUT_CTL_RING_ENB              BIT(0)
206 
207 /*######################### Mailbox Reg Macros ########################*/
208 #define    CN23XX_VF_SLI_PKT_MBOX_INT_START            0x10210
209 #define    CN23XX_SLI_PKT_PF_VF_MBOX_SIG_START         0x10200
210 
211 #define    CN23XX_SLI_MBOX_OFFSET                      0x20000
212 #define    CN23XX_SLI_MBOX_SIG_IDX_OFFSET              0x8
213 
214 #define CN23XX_VF_SLI_PKT_MBOX_INT(q)	\
215 	(CN23XX_VF_SLI_PKT_MBOX_INT_START + ((q) * CN23XX_SLI_MBOX_OFFSET))
216 
217 #define CN23XX_SLI_PKT_PF_VF_MBOX_SIG(q, idx)		\
218 	(CN23XX_SLI_PKT_PF_VF_MBOX_SIG_START +		\
219 	 ((q) * CN23XX_SLI_MBOX_OFFSET +		\
220 	  (idx) * CN23XX_SLI_MBOX_SIG_IDX_OFFSET))
221 
222 /*######################## INTERRUPTS #########################*/
223 
224 #define    CN23XX_VF_SLI_INT_SUM_START		  0x100D0
225 
226 #define CN23XX_VF_SLI_INT_SUM(q)			\
227 	(CN23XX_VF_SLI_INT_SUM_START + ((q) * CN23XX_VF_IQ_OFFSET))
228 
229 /*------------------ Interrupt Masks ----------------*/
230 
231 #define    CN23XX_INTR_PO_INT                   BIT_ULL(63)
232 #define    CN23XX_INTR_PI_INT                   BIT_ULL(62)
233 #define    CN23XX_INTR_MBOX_INT                 BIT_ULL(61)
234 #define    CN23XX_INTR_RESEND                   BIT_ULL(60)
235 
236 #define    CN23XX_INTR_CINT_ENB                 BIT_ULL(48)
237 #define    CN23XX_INTR_MBOX_ENB                 BIT(0)
238 
239 /*############################ MIO #########################*/
240 #define    CN23XX_MIO_PTP_CLOCK_CFG       0x0001070000000f00ULL
241 #define    CN23XX_MIO_PTP_CLOCK_LO        0x0001070000000f08ULL
242 #define    CN23XX_MIO_PTP_CLOCK_HI        0x0001070000000f10ULL
243 #define    CN23XX_MIO_PTP_CLOCK_COMP      0x0001070000000f18ULL
244 #define    CN23XX_MIO_PTP_TIMESTAMP       0x0001070000000f20ULL
245 #define    CN23XX_MIO_PTP_EVT_CNT         0x0001070000000f28ULL
246 #define    CN23XX_MIO_PTP_CKOUT_THRESH_LO 0x0001070000000f30ULL
247 #define    CN23XX_MIO_PTP_CKOUT_THRESH_HI 0x0001070000000f38ULL
248 #define    CN23XX_MIO_PTP_CKOUT_HI_INCR   0x0001070000000f40ULL
249 #define    CN23XX_MIO_PTP_CKOUT_LO_INCR   0x0001070000000f48ULL
250 #define    CN23XX_MIO_PTP_PPS_THRESH_LO   0x0001070000000f50ULL
251 #define    CN23XX_MIO_PTP_PPS_THRESH_HI   0x0001070000000f58ULL
252 #define    CN23XX_MIO_PTP_PPS_HI_INCR     0x0001070000000f60ULL
253 #define    CN23XX_MIO_PTP_PPS_LO_INCR     0x0001070000000f68ULL
254 
255 /*############################ RST #########################*/
256 #define    CN23XX_RST_BOOT                0x0001180006001600ULL
257 
258 /*######################## MSIX TABLE #########################*/
259 
260 #define    CN23XX_MSIX_TABLE_ADDR_START    0x0
261 #define    CN23XX_MSIX_TABLE_DATA_START    0x8
262 
263 #define    CN23XX_MSIX_TABLE_SIZE          0x10
264 #define    CN23XX_MSIX_TABLE_ENTRIES       0x41
265 
266 #define    CN23XX_MSIX_ENTRY_VECTOR_CTL    BIT_ULL(32)
267 
268 #define CN23XX_MSIX_TABLE_ADDR(idx)		\
269 	(CN23XX_MSIX_TABLE_ADDR_START + ((idx) * CN23XX_MSIX_TABLE_SIZE))
270 
271 #define CN23XX_MSIX_TABLE_DATA(idx)		\
272 	(CN23XX_MSIX_TABLE_DATA_START + ((idx) * CN23XX_MSIX_TABLE_SIZE))
273 
274 #endif
275