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af19b491 AKS |
1 | /* |
2 | * Copyright (C) 2009 - QLogic Corporation. | |
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 | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | * MA 02111-1307, USA. | |
19 | * | |
20 | * The full GNU General Public License is included in this distribution | |
21 | * in the file called "COPYING". | |
22 | * | |
23 | */ | |
24 | ||
25 | #include "qlcnic.h" | |
26 | ||
5a0e3ad6 | 27 | #include <linux/slab.h> |
af19b491 AKS |
28 | #include <net/ip.h> |
29 | ||
30 | #define MASK(n) ((1ULL<<(n))-1) | |
31 | #define OCM_WIN_P3P(addr) (addr & 0xffc0000) | |
32 | ||
33 | #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) | |
34 | ||
35 | #define CRB_BLK(off) ((off >> 20) & 0x3f) | |
36 | #define CRB_SUBBLK(off) ((off >> 16) & 0xf) | |
37 | #define CRB_WINDOW_2M (0x130060) | |
38 | #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) | |
39 | #define CRB_INDIRECT_2M (0x1e0000UL) | |
40 | ||
41 | ||
42 | #ifndef readq | |
43 | static inline u64 readq(void __iomem *addr) | |
44 | { | |
45 | return readl(addr) | (((u64) readl(addr + 4)) << 32LL); | |
46 | } | |
47 | #endif | |
48 | ||
49 | #ifndef writeq | |
50 | static inline void writeq(u64 val, void __iomem *addr) | |
51 | { | |
52 | writel(((u32) (val)), (addr)); | |
53 | writel(((u32) (val >> 32)), (addr + 4)); | |
54 | } | |
55 | #endif | |
56 | ||
57 | #define ADDR_IN_RANGE(addr, low, high) \ | |
58 | (((addr) < (high)) && ((addr) >= (low))) | |
59 | ||
60 | #define PCI_OFFSET_FIRST_RANGE(adapter, off) \ | |
61 | ((adapter)->ahw.pci_base0 + (off)) | |
62 | ||
63 | static void __iomem *pci_base_offset(struct qlcnic_adapter *adapter, | |
64 | unsigned long off) | |
65 | { | |
66 | if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END)) | |
67 | return PCI_OFFSET_FIRST_RANGE(adapter, off); | |
68 | ||
69 | return NULL; | |
70 | } | |
71 | ||
72 | static const struct crb_128M_2M_block_map | |
73 | crb_128M_2M_map[64] __cacheline_aligned_in_smp = { | |
74 | {{{0, 0, 0, 0} } }, /* 0: PCI */ | |
75 | {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ | |
76 | {1, 0x0110000, 0x0120000, 0x130000}, | |
77 | {1, 0x0120000, 0x0122000, 0x124000}, | |
78 | {1, 0x0130000, 0x0132000, 0x126000}, | |
79 | {1, 0x0140000, 0x0142000, 0x128000}, | |
80 | {1, 0x0150000, 0x0152000, 0x12a000}, | |
81 | {1, 0x0160000, 0x0170000, 0x110000}, | |
82 | {1, 0x0170000, 0x0172000, 0x12e000}, | |
83 | {0, 0x0000000, 0x0000000, 0x000000}, | |
84 | {0, 0x0000000, 0x0000000, 0x000000}, | |
85 | {0, 0x0000000, 0x0000000, 0x000000}, | |
86 | {0, 0x0000000, 0x0000000, 0x000000}, | |
87 | {0, 0x0000000, 0x0000000, 0x000000}, | |
88 | {0, 0x0000000, 0x0000000, 0x000000}, | |
89 | {1, 0x01e0000, 0x01e0800, 0x122000}, | |
90 | {0, 0x0000000, 0x0000000, 0x000000} } }, | |
91 | {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ | |
92 | {{{0, 0, 0, 0} } }, /* 3: */ | |
93 | {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ | |
94 | {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ | |
95 | {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ | |
96 | {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ | |
97 | {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ | |
98 | {0, 0x0000000, 0x0000000, 0x000000}, | |
99 | {0, 0x0000000, 0x0000000, 0x000000}, | |
100 | {0, 0x0000000, 0x0000000, 0x000000}, | |
101 | {0, 0x0000000, 0x0000000, 0x000000}, | |
102 | {0, 0x0000000, 0x0000000, 0x000000}, | |
103 | {0, 0x0000000, 0x0000000, 0x000000}, | |
104 | {0, 0x0000000, 0x0000000, 0x000000}, | |
105 | {0, 0x0000000, 0x0000000, 0x000000}, | |
106 | {0, 0x0000000, 0x0000000, 0x000000}, | |
107 | {0, 0x0000000, 0x0000000, 0x000000}, | |
108 | {0, 0x0000000, 0x0000000, 0x000000}, | |
109 | {0, 0x0000000, 0x0000000, 0x000000}, | |
110 | {0, 0x0000000, 0x0000000, 0x000000}, | |
111 | {0, 0x0000000, 0x0000000, 0x000000}, | |
112 | {1, 0x08f0000, 0x08f2000, 0x172000} } }, | |
113 | {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ | |
114 | {0, 0x0000000, 0x0000000, 0x000000}, | |
115 | {0, 0x0000000, 0x0000000, 0x000000}, | |
116 | {0, 0x0000000, 0x0000000, 0x000000}, | |
117 | {0, 0x0000000, 0x0000000, 0x000000}, | |
118 | {0, 0x0000000, 0x0000000, 0x000000}, | |
119 | {0, 0x0000000, 0x0000000, 0x000000}, | |
120 | {0, 0x0000000, 0x0000000, 0x000000}, | |
121 | {0, 0x0000000, 0x0000000, 0x000000}, | |
122 | {0, 0x0000000, 0x0000000, 0x000000}, | |
123 | {0, 0x0000000, 0x0000000, 0x000000}, | |
124 | {0, 0x0000000, 0x0000000, 0x000000}, | |
125 | {0, 0x0000000, 0x0000000, 0x000000}, | |
126 | {0, 0x0000000, 0x0000000, 0x000000}, | |
127 | {0, 0x0000000, 0x0000000, 0x000000}, | |
128 | {1, 0x09f0000, 0x09f2000, 0x176000} } }, | |
129 | {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ | |
130 | {0, 0x0000000, 0x0000000, 0x000000}, | |
131 | {0, 0x0000000, 0x0000000, 0x000000}, | |
132 | {0, 0x0000000, 0x0000000, 0x000000}, | |
133 | {0, 0x0000000, 0x0000000, 0x000000}, | |
134 | {0, 0x0000000, 0x0000000, 0x000000}, | |
135 | {0, 0x0000000, 0x0000000, 0x000000}, | |
136 | {0, 0x0000000, 0x0000000, 0x000000}, | |
137 | {0, 0x0000000, 0x0000000, 0x000000}, | |
138 | {0, 0x0000000, 0x0000000, 0x000000}, | |
139 | {0, 0x0000000, 0x0000000, 0x000000}, | |
140 | {0, 0x0000000, 0x0000000, 0x000000}, | |
141 | {0, 0x0000000, 0x0000000, 0x000000}, | |
142 | {0, 0x0000000, 0x0000000, 0x000000}, | |
143 | {0, 0x0000000, 0x0000000, 0x000000}, | |
144 | {1, 0x0af0000, 0x0af2000, 0x17a000} } }, | |
145 | {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ | |
146 | {0, 0x0000000, 0x0000000, 0x000000}, | |
147 | {0, 0x0000000, 0x0000000, 0x000000}, | |
148 | {0, 0x0000000, 0x0000000, 0x000000}, | |
149 | {0, 0x0000000, 0x0000000, 0x000000}, | |
150 | {0, 0x0000000, 0x0000000, 0x000000}, | |
151 | {0, 0x0000000, 0x0000000, 0x000000}, | |
152 | {0, 0x0000000, 0x0000000, 0x000000}, | |
153 | {0, 0x0000000, 0x0000000, 0x000000}, | |
154 | {0, 0x0000000, 0x0000000, 0x000000}, | |
155 | {0, 0x0000000, 0x0000000, 0x000000}, | |
156 | {0, 0x0000000, 0x0000000, 0x000000}, | |
157 | {0, 0x0000000, 0x0000000, 0x000000}, | |
158 | {0, 0x0000000, 0x0000000, 0x000000}, | |
159 | {0, 0x0000000, 0x0000000, 0x000000}, | |
160 | {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, | |
161 | {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ | |
162 | {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ | |
163 | {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ | |
164 | {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ | |
165 | {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ | |
166 | {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ | |
167 | {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ | |
168 | {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ | |
169 | {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ | |
170 | {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ | |
171 | {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ | |
172 | {{{0, 0, 0, 0} } }, /* 23: */ | |
173 | {{{0, 0, 0, 0} } }, /* 24: */ | |
174 | {{{0, 0, 0, 0} } }, /* 25: */ | |
175 | {{{0, 0, 0, 0} } }, /* 26: */ | |
176 | {{{0, 0, 0, 0} } }, /* 27: */ | |
177 | {{{0, 0, 0, 0} } }, /* 28: */ | |
178 | {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ | |
179 | {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ | |
180 | {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ | |
181 | {{{0} } }, /* 32: PCI */ | |
182 | {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ | |
183 | {1, 0x2110000, 0x2120000, 0x130000}, | |
184 | {1, 0x2120000, 0x2122000, 0x124000}, | |
185 | {1, 0x2130000, 0x2132000, 0x126000}, | |
186 | {1, 0x2140000, 0x2142000, 0x128000}, | |
187 | {1, 0x2150000, 0x2152000, 0x12a000}, | |
188 | {1, 0x2160000, 0x2170000, 0x110000}, | |
189 | {1, 0x2170000, 0x2172000, 0x12e000}, | |
190 | {0, 0x0000000, 0x0000000, 0x000000}, | |
191 | {0, 0x0000000, 0x0000000, 0x000000}, | |
192 | {0, 0x0000000, 0x0000000, 0x000000}, | |
193 | {0, 0x0000000, 0x0000000, 0x000000}, | |
194 | {0, 0x0000000, 0x0000000, 0x000000}, | |
195 | {0, 0x0000000, 0x0000000, 0x000000}, | |
196 | {0, 0x0000000, 0x0000000, 0x000000}, | |
197 | {0, 0x0000000, 0x0000000, 0x000000} } }, | |
198 | {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ | |
199 | {{{0} } }, /* 35: */ | |
200 | {{{0} } }, /* 36: */ | |
201 | {{{0} } }, /* 37: */ | |
202 | {{{0} } }, /* 38: */ | |
203 | {{{0} } }, /* 39: */ | |
204 | {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ | |
205 | {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ | |
206 | {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ | |
207 | {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ | |
208 | {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ | |
209 | {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ | |
210 | {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ | |
211 | {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ | |
212 | {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ | |
213 | {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ | |
214 | {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ | |
215 | {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ | |
216 | {{{0} } }, /* 52: */ | |
217 | {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ | |
218 | {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ | |
219 | {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ | |
220 | {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ | |
221 | {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ | |
222 | {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ | |
223 | {{{0} } }, /* 59: I2C0 */ | |
224 | {{{0} } }, /* 60: I2C1 */ | |
225 | {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ | |
226 | {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ | |
227 | {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ | |
228 | }; | |
229 | ||
230 | /* | |
231 | * top 12 bits of crb internal address (hub, agent) | |
232 | */ | |
233 | static const unsigned crb_hub_agt[64] = { | |
234 | 0, | |
235 | QLCNIC_HW_CRB_HUB_AGT_ADR_PS, | |
236 | QLCNIC_HW_CRB_HUB_AGT_ADR_MN, | |
237 | QLCNIC_HW_CRB_HUB_AGT_ADR_MS, | |
238 | 0, | |
239 | QLCNIC_HW_CRB_HUB_AGT_ADR_SRE, | |
240 | QLCNIC_HW_CRB_HUB_AGT_ADR_NIU, | |
241 | QLCNIC_HW_CRB_HUB_AGT_ADR_QMN, | |
242 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0, | |
243 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1, | |
244 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2, | |
245 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3, | |
246 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, | |
247 | QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, | |
248 | QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, | |
249 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4, | |
250 | QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, | |
251 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0, | |
252 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1, | |
253 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2, | |
254 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3, | |
255 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGND, | |
256 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI, | |
257 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0, | |
258 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1, | |
259 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2, | |
260 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3, | |
261 | 0, | |
262 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI, | |
263 | QLCNIC_HW_CRB_HUB_AGT_ADR_SN, | |
264 | 0, | |
265 | QLCNIC_HW_CRB_HUB_AGT_ADR_EG, | |
266 | 0, | |
267 | QLCNIC_HW_CRB_HUB_AGT_ADR_PS, | |
268 | QLCNIC_HW_CRB_HUB_AGT_ADR_CAM, | |
269 | 0, | |
270 | 0, | |
271 | 0, | |
272 | 0, | |
273 | 0, | |
274 | QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, | |
275 | 0, | |
276 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1, | |
277 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2, | |
278 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3, | |
279 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4, | |
280 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5, | |
281 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6, | |
282 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7, | |
283 | QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, | |
284 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, | |
285 | QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, | |
286 | 0, | |
287 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0, | |
288 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8, | |
289 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9, | |
290 | QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0, | |
291 | 0, | |
292 | QLCNIC_HW_CRB_HUB_AGT_ADR_SMB, | |
293 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0, | |
294 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1, | |
295 | 0, | |
296 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC, | |
297 | 0, | |
298 | }; | |
299 | ||
300 | /* PCI Windowing for DDR regions. */ | |
301 | ||
302 | #define QLCNIC_PCIE_SEM_TIMEOUT 10000 | |
303 | ||
304 | int | |
305 | qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) | |
306 | { | |
307 | int done = 0, timeout = 0; | |
308 | ||
309 | while (!done) { | |
310 | done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem))); | |
311 | if (done == 1) | |
312 | break; | |
313 | if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) | |
314 | return -EIO; | |
315 | msleep(1); | |
316 | } | |
317 | ||
318 | if (id_reg) | |
319 | QLCWR32(adapter, id_reg, adapter->portnum); | |
320 | ||
321 | return 0; | |
322 | } | |
323 | ||
324 | void | |
325 | qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) | |
326 | { | |
327 | QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem))); | |
328 | } | |
329 | ||
330 | static int | |
331 | qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, | |
332 | struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) | |
333 | { | |
334 | u32 i, producer, consumer; | |
335 | struct qlcnic_cmd_buffer *pbuf; | |
336 | struct cmd_desc_type0 *cmd_desc; | |
337 | struct qlcnic_host_tx_ring *tx_ring; | |
338 | ||
339 | i = 0; | |
340 | ||
341 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
342 | return -EIO; | |
343 | ||
344 | tx_ring = adapter->tx_ring; | |
345 | __netif_tx_lock_bh(tx_ring->txq); | |
346 | ||
347 | producer = tx_ring->producer; | |
348 | consumer = tx_ring->sw_consumer; | |
349 | ||
350 | if (nr_desc >= qlcnic_tx_avail(tx_ring)) { | |
351 | netif_tx_stop_queue(tx_ring->txq); | |
352 | __netif_tx_unlock_bh(tx_ring->txq); | |
8bfe8b91 | 353 | adapter->stats.xmit_off++; |
af19b491 AKS |
354 | return -EBUSY; |
355 | } | |
356 | ||
357 | do { | |
358 | cmd_desc = &cmd_desc_arr[i]; | |
359 | ||
360 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
361 | pbuf->skb = NULL; | |
362 | pbuf->frag_count = 0; | |
363 | ||
364 | memcpy(&tx_ring->desc_head[producer], | |
365 | &cmd_desc_arr[i], sizeof(struct cmd_desc_type0)); | |
366 | ||
367 | producer = get_next_index(producer, tx_ring->num_desc); | |
368 | i++; | |
369 | ||
370 | } while (i != nr_desc); | |
371 | ||
372 | tx_ring->producer = producer; | |
373 | ||
374 | qlcnic_update_cmd_producer(adapter, tx_ring); | |
375 | ||
376 | __netif_tx_unlock_bh(tx_ring->txq); | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
381 | static int | |
382 | qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, | |
383 | unsigned op) | |
384 | { | |
385 | struct qlcnic_nic_req req; | |
386 | struct qlcnic_mac_req *mac_req; | |
387 | u64 word; | |
388 | ||
389 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
390 | req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); | |
391 | ||
392 | word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16); | |
393 | req.req_hdr = cpu_to_le64(word); | |
394 | ||
395 | mac_req = (struct qlcnic_mac_req *)&req.words[0]; | |
396 | mac_req->op = op; | |
397 | memcpy(mac_req->mac_addr, addr, 6); | |
398 | ||
399 | return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
400 | } | |
401 | ||
9ab17b39 | 402 | static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, u8 *addr) |
af19b491 AKS |
403 | { |
404 | struct list_head *head; | |
405 | struct qlcnic_mac_list_s *cur; | |
406 | ||
407 | /* look up if already exists */ | |
9ab17b39 | 408 | list_for_each(head, &adapter->mac_list) { |
af19b491 | 409 | cur = list_entry(head, struct qlcnic_mac_list_s, list); |
9ab17b39 | 410 | if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) |
af19b491 | 411 | return 0; |
af19b491 AKS |
412 | } |
413 | ||
414 | cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC); | |
415 | if (cur == NULL) { | |
416 | dev_err(&adapter->netdev->dev, | |
417 | "failed to add mac address filter\n"); | |
418 | return -ENOMEM; | |
419 | } | |
420 | memcpy(cur->mac_addr, addr, ETH_ALEN); | |
421 | list_add_tail(&cur->list, &adapter->mac_list); | |
422 | ||
423 | return qlcnic_sre_macaddr_change(adapter, | |
424 | cur->mac_addr, QLCNIC_MAC_ADD); | |
425 | } | |
426 | ||
427 | void qlcnic_set_multi(struct net_device *netdev) | |
428 | { | |
429 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
430 | struct dev_mc_list *mc_ptr; | |
431 | u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
432 | u32 mode = VPORT_MISS_MODE_DROP; | |
af19b491 | 433 | |
9ab17b39 SC |
434 | qlcnic_nic_add_mac(adapter, adapter->mac_addr); |
435 | qlcnic_nic_add_mac(adapter, bcast_addr); | |
af19b491 AKS |
436 | |
437 | if (netdev->flags & IFF_PROMISC) { | |
438 | mode = VPORT_MISS_MODE_ACCEPT_ALL; | |
439 | goto send_fw_cmd; | |
440 | } | |
441 | ||
442 | if ((netdev->flags & IFF_ALLMULTI) || | |
4cd24eaf | 443 | (netdev_mc_count(netdev) > adapter->max_mc_count)) { |
af19b491 AKS |
444 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; |
445 | goto send_fw_cmd; | |
446 | } | |
447 | ||
4cd24eaf | 448 | if (!netdev_mc_empty(netdev)) { |
f9dcbcc9 | 449 | netdev_for_each_mc_addr(mc_ptr, netdev) { |
9ab17b39 | 450 | qlcnic_nic_add_mac(adapter, mc_ptr->dmi_addr); |
af19b491 AKS |
451 | } |
452 | } | |
453 | ||
454 | send_fw_cmd: | |
455 | qlcnic_nic_set_promisc(adapter, mode); | |
af19b491 AKS |
456 | } |
457 | ||
458 | int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) | |
459 | { | |
460 | struct qlcnic_nic_req req; | |
461 | u64 word; | |
462 | ||
463 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
464 | ||
465 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
466 | ||
467 | word = QLCNIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE | | |
468 | ((u64)adapter->portnum << 16); | |
469 | req.req_hdr = cpu_to_le64(word); | |
470 | ||
471 | req.words[0] = cpu_to_le64(mode); | |
472 | ||
473 | return qlcnic_send_cmd_descs(adapter, | |
474 | (struct cmd_desc_type0 *)&req, 1); | |
475 | } | |
476 | ||
477 | void qlcnic_free_mac_list(struct qlcnic_adapter *adapter) | |
478 | { | |
479 | struct qlcnic_mac_list_s *cur; | |
480 | struct list_head *head = &adapter->mac_list; | |
481 | ||
482 | while (!list_empty(head)) { | |
483 | cur = list_entry(head->next, struct qlcnic_mac_list_s, list); | |
484 | qlcnic_sre_macaddr_change(adapter, | |
485 | cur->mac_addr, QLCNIC_MAC_DEL); | |
486 | list_del(&cur->list); | |
487 | kfree(cur); | |
488 | } | |
489 | } | |
490 | ||
491 | #define QLCNIC_CONFIG_INTR_COALESCE 3 | |
492 | ||
493 | /* | |
494 | * Send the interrupt coalescing parameter set by ethtool to the card. | |
495 | */ | |
496 | int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter) | |
497 | { | |
498 | struct qlcnic_nic_req req; | |
499 | u64 word[6]; | |
500 | int rv, i; | |
501 | ||
502 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
503 | ||
504 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
505 | ||
506 | word[0] = QLCNIC_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16); | |
507 | req.req_hdr = cpu_to_le64(word[0]); | |
508 | ||
509 | memcpy(&word[0], &adapter->coal, sizeof(adapter->coal)); | |
510 | for (i = 0; i < 6; i++) | |
511 | req.words[i] = cpu_to_le64(word[i]); | |
512 | ||
513 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
514 | if (rv != 0) | |
515 | dev_err(&adapter->netdev->dev, | |
516 | "Could not send interrupt coalescing parameters\n"); | |
517 | ||
518 | return rv; | |
519 | } | |
520 | ||
521 | int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable) | |
522 | { | |
523 | struct qlcnic_nic_req req; | |
524 | u64 word; | |
525 | int rv; | |
526 | ||
527 | if ((adapter->flags & QLCNIC_LRO_ENABLED) == enable) | |
528 | return 0; | |
529 | ||
530 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
531 | ||
532 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
533 | ||
534 | word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); | |
535 | req.req_hdr = cpu_to_le64(word); | |
536 | ||
537 | req.words[0] = cpu_to_le64(enable); | |
538 | ||
539 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
540 | if (rv != 0) | |
541 | dev_err(&adapter->netdev->dev, | |
542 | "Could not send configure hw lro request\n"); | |
543 | ||
544 | adapter->flags ^= QLCNIC_LRO_ENABLED; | |
545 | ||
546 | return rv; | |
547 | } | |
548 | ||
549 | int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, int enable) | |
550 | { | |
551 | struct qlcnic_nic_req req; | |
552 | u64 word; | |
553 | int rv; | |
554 | ||
555 | if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable) | |
556 | return 0; | |
557 | ||
558 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
559 | ||
560 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
561 | ||
562 | word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING | | |
563 | ((u64)adapter->portnum << 16); | |
564 | req.req_hdr = cpu_to_le64(word); | |
565 | ||
566 | req.words[0] = cpu_to_le64(enable); | |
567 | ||
568 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
569 | if (rv != 0) | |
570 | dev_err(&adapter->netdev->dev, | |
571 | "Could not send configure bridge mode request\n"); | |
572 | ||
573 | adapter->flags ^= QLCNIC_BRIDGE_ENABLED; | |
574 | ||
575 | return rv; | |
576 | } | |
577 | ||
578 | ||
579 | #define RSS_HASHTYPE_IP_TCP 0x3 | |
580 | ||
581 | int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable) | |
582 | { | |
583 | struct qlcnic_nic_req req; | |
584 | u64 word; | |
585 | int i, rv; | |
586 | ||
587 | const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, | |
588 | 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, | |
589 | 0x255b0ec26d5a56daULL }; | |
590 | ||
591 | ||
592 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
593 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
594 | ||
595 | word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); | |
596 | req.req_hdr = cpu_to_le64(word); | |
597 | ||
598 | /* | |
599 | * RSS request: | |
600 | * bits 3-0: hash_method | |
601 | * 5-4: hash_type_ipv4 | |
602 | * 7-6: hash_type_ipv6 | |
603 | * 8: enable | |
604 | * 9: use indirection table | |
605 | * 47-10: reserved | |
606 | * 63-48: indirection table mask | |
607 | */ | |
608 | word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | | |
609 | ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | | |
610 | ((u64)(enable & 0x1) << 8) | | |
611 | ((0x7ULL) << 48); | |
612 | req.words[0] = cpu_to_le64(word); | |
613 | for (i = 0; i < 5; i++) | |
614 | req.words[i+1] = cpu_to_le64(key[i]); | |
615 | ||
616 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
617 | if (rv != 0) | |
618 | dev_err(&adapter->netdev->dev, "could not configure RSS\n"); | |
619 | ||
620 | return rv; | |
621 | } | |
622 | ||
623 | int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, u32 ip, int cmd) | |
624 | { | |
625 | struct qlcnic_nic_req req; | |
626 | u64 word; | |
627 | int rv; | |
628 | ||
629 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
630 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
631 | ||
632 | word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); | |
633 | req.req_hdr = cpu_to_le64(word); | |
634 | ||
635 | req.words[0] = cpu_to_le64(cmd); | |
636 | req.words[1] = cpu_to_le64(ip); | |
637 | ||
638 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
639 | if (rv != 0) | |
640 | dev_err(&adapter->netdev->dev, | |
641 | "could not notify %s IP 0x%x reuqest\n", | |
642 | (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip); | |
643 | ||
644 | return rv; | |
645 | } | |
646 | ||
647 | int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable) | |
648 | { | |
649 | struct qlcnic_nic_req req; | |
650 | u64 word; | |
651 | int rv; | |
652 | ||
653 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
654 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
655 | ||
656 | word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); | |
657 | req.req_hdr = cpu_to_le64(word); | |
658 | req.words[0] = cpu_to_le64(enable | (enable << 8)); | |
659 | ||
660 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
661 | if (rv != 0) | |
662 | dev_err(&adapter->netdev->dev, | |
663 | "could not configure link notification\n"); | |
664 | ||
665 | return rv; | |
666 | } | |
667 | ||
668 | int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter) | |
669 | { | |
670 | struct qlcnic_nic_req req; | |
671 | u64 word; | |
672 | int rv; | |
673 | ||
674 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
675 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
676 | ||
677 | word = QLCNIC_H2C_OPCODE_LRO_REQUEST | | |
678 | ((u64)adapter->portnum << 16) | | |
679 | ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ; | |
680 | ||
681 | req.req_hdr = cpu_to_le64(word); | |
682 | ||
683 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
684 | if (rv != 0) | |
685 | dev_err(&adapter->netdev->dev, | |
686 | "could not cleanup lro flows\n"); | |
687 | ||
688 | return rv; | |
689 | } | |
690 | ||
691 | /* | |
692 | * qlcnic_change_mtu - Change the Maximum Transfer Unit | |
693 | * @returns 0 on success, negative on failure | |
694 | */ | |
695 | ||
696 | int qlcnic_change_mtu(struct net_device *netdev, int mtu) | |
697 | { | |
698 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
699 | int rc = 0; | |
700 | ||
701 | if (mtu > P3_MAX_MTU) { | |
702 | dev_err(&adapter->netdev->dev, "mtu > %d bytes unsupported\n", | |
703 | P3_MAX_MTU); | |
704 | return -EINVAL; | |
705 | } | |
706 | ||
707 | rc = qlcnic_fw_cmd_set_mtu(adapter, mtu); | |
708 | ||
709 | if (!rc) | |
710 | netdev->mtu = mtu; | |
711 | ||
712 | return rc; | |
713 | } | |
714 | ||
715 | int qlcnic_get_mac_addr(struct qlcnic_adapter *adapter, u64 *mac) | |
716 | { | |
717 | u32 crbaddr, mac_hi, mac_lo; | |
718 | int pci_func = adapter->ahw.pci_func; | |
719 | ||
720 | crbaddr = CRB_MAC_BLOCK_START + | |
721 | (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1)); | |
722 | ||
723 | mac_lo = QLCRD32(adapter, crbaddr); | |
724 | mac_hi = QLCRD32(adapter, crbaddr+4); | |
725 | ||
726 | if (pci_func & 1) | |
727 | *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16)); | |
728 | else | |
729 | *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32)); | |
730 | ||
731 | return 0; | |
732 | } | |
733 | ||
734 | /* | |
735 | * Changes the CRB window to the specified window. | |
736 | */ | |
737 | /* Returns < 0 if off is not valid, | |
738 | * 1 if window access is needed. 'off' is set to offset from | |
739 | * CRB space in 128M pci map | |
740 | * 0 if no window access is needed. 'off' is set to 2M addr | |
741 | * In: 'off' is offset from base in 128M pci map | |
742 | */ | |
743 | static int | |
744 | qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter, | |
745 | ulong off, void __iomem **addr) | |
746 | { | |
747 | const struct crb_128M_2M_sub_block_map *m; | |
748 | ||
749 | if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE)) | |
750 | return -EINVAL; | |
751 | ||
752 | off -= QLCNIC_PCI_CRBSPACE; | |
753 | ||
754 | /* | |
755 | * Try direct map | |
756 | */ | |
757 | m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; | |
758 | ||
759 | if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { | |
760 | *addr = adapter->ahw.pci_base0 + m->start_2M + | |
761 | (off - m->start_128M); | |
762 | return 0; | |
763 | } | |
764 | ||
765 | /* | |
766 | * Not in direct map, use crb window | |
767 | */ | |
768 | *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M + (off & MASK(16)); | |
769 | return 1; | |
770 | } | |
771 | ||
772 | /* | |
773 | * In: 'off' is offset from CRB space in 128M pci map | |
774 | * Out: 'off' is 2M pci map addr | |
775 | * side effect: lock crb window | |
776 | */ | |
777 | static void | |
778 | qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) | |
779 | { | |
780 | u32 window; | |
781 | void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M; | |
782 | ||
783 | off -= QLCNIC_PCI_CRBSPACE; | |
784 | ||
785 | window = CRB_HI(off); | |
786 | ||
787 | if (adapter->ahw.crb_win == window) | |
788 | return; | |
789 | ||
790 | writel(window, addr); | |
791 | if (readl(addr) != window) { | |
792 | if (printk_ratelimit()) | |
793 | dev_warn(&adapter->pdev->dev, | |
794 | "failed to set CRB window to %d off 0x%lx\n", | |
795 | window, off); | |
796 | } | |
797 | adapter->ahw.crb_win = window; | |
798 | } | |
799 | ||
800 | int | |
801 | qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data) | |
802 | { | |
803 | unsigned long flags; | |
804 | int rv; | |
805 | void __iomem *addr = NULL; | |
806 | ||
807 | rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr); | |
808 | ||
809 | if (rv == 0) { | |
810 | writel(data, addr); | |
811 | return 0; | |
812 | } | |
813 | ||
814 | if (rv > 0) { | |
815 | /* indirect access */ | |
816 | write_lock_irqsave(&adapter->ahw.crb_lock, flags); | |
817 | crb_win_lock(adapter); | |
818 | qlcnic_pci_set_crbwindow_2M(adapter, off); | |
819 | writel(data, addr); | |
820 | crb_win_unlock(adapter); | |
821 | write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); | |
822 | return 0; | |
823 | } | |
824 | ||
825 | dev_err(&adapter->pdev->dev, | |
826 | "%s: invalid offset: 0x%016lx\n", __func__, off); | |
827 | dump_stack(); | |
828 | return -EIO; | |
829 | } | |
830 | ||
831 | u32 | |
832 | qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) | |
833 | { | |
834 | unsigned long flags; | |
835 | int rv; | |
836 | u32 data; | |
837 | void __iomem *addr = NULL; | |
838 | ||
839 | rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr); | |
840 | ||
841 | if (rv == 0) | |
842 | return readl(addr); | |
843 | ||
844 | if (rv > 0) { | |
845 | /* indirect access */ | |
846 | write_lock_irqsave(&adapter->ahw.crb_lock, flags); | |
847 | crb_win_lock(adapter); | |
848 | qlcnic_pci_set_crbwindow_2M(adapter, off); | |
849 | data = readl(addr); | |
850 | crb_win_unlock(adapter); | |
851 | write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); | |
852 | return data; | |
853 | } | |
854 | ||
855 | dev_err(&adapter->pdev->dev, | |
856 | "%s: invalid offset: 0x%016lx\n", __func__, off); | |
857 | dump_stack(); | |
858 | return -1; | |
859 | } | |
860 | ||
861 | ||
862 | void __iomem * | |
863 | qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset) | |
864 | { | |
865 | void __iomem *addr = NULL; | |
866 | ||
867 | WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr)); | |
868 | ||
869 | return addr; | |
870 | } | |
871 | ||
872 | ||
873 | static int | |
874 | qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter, | |
875 | u64 addr, u32 *start) | |
876 | { | |
877 | u32 window; | |
878 | struct pci_dev *pdev = adapter->pdev; | |
879 | ||
880 | if ((addr & 0x00ff800) == 0xff800) { | |
881 | if (printk_ratelimit()) | |
882 | dev_warn(&pdev->dev, "QM access not handled\n"); | |
883 | return -EIO; | |
884 | } | |
885 | ||
886 | window = OCM_WIN_P3P(addr); | |
887 | ||
888 | writel(window, adapter->ahw.ocm_win_crb); | |
889 | /* read back to flush */ | |
890 | readl(adapter->ahw.ocm_win_crb); | |
891 | ||
892 | adapter->ahw.ocm_win = window; | |
893 | *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); | |
894 | return 0; | |
895 | } | |
896 | ||
897 | static int | |
898 | qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off, | |
899 | u64 *data, int op) | |
900 | { | |
901 | void __iomem *addr, *mem_ptr = NULL; | |
902 | resource_size_t mem_base; | |
903 | int ret; | |
904 | u32 start; | |
905 | ||
906 | mutex_lock(&adapter->ahw.mem_lock); | |
907 | ||
908 | ret = qlcnic_pci_set_window_2M(adapter, off, &start); | |
909 | if (ret != 0) | |
910 | goto unlock; | |
911 | ||
912 | addr = pci_base_offset(adapter, start); | |
913 | if (addr) | |
914 | goto noremap; | |
915 | ||
916 | mem_base = pci_resource_start(adapter->pdev, 0) + (start & PAGE_MASK); | |
917 | ||
918 | mem_ptr = ioremap(mem_base, PAGE_SIZE); | |
919 | if (mem_ptr == NULL) { | |
920 | ret = -EIO; | |
921 | goto unlock; | |
922 | } | |
923 | ||
924 | addr = mem_ptr + (start & (PAGE_SIZE - 1)); | |
925 | ||
926 | noremap: | |
927 | if (op == 0) /* read */ | |
928 | *data = readq(addr); | |
929 | else /* write */ | |
930 | writeq(*data, addr); | |
931 | ||
932 | unlock: | |
933 | mutex_unlock(&adapter->ahw.mem_lock); | |
934 | ||
935 | if (mem_ptr) | |
936 | iounmap(mem_ptr); | |
937 | return ret; | |
938 | } | |
939 | ||
940 | #define MAX_CTL_CHECK 1000 | |
941 | ||
942 | int | |
943 | qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter, | |
944 | u64 off, u64 data) | |
945 | { | |
946 | int i, j, ret; | |
947 | u32 temp, off8; | |
948 | u64 stride; | |
949 | void __iomem *mem_crb; | |
950 | ||
951 | /* Only 64-bit aligned access */ | |
952 | if (off & 7) | |
953 | return -EIO; | |
954 | ||
955 | /* P3 onward, test agent base for MIU and SIU is same */ | |
956 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, | |
957 | QLCNIC_ADDR_QDR_NET_MAX_P3)) { | |
958 | mem_crb = qlcnic_get_ioaddr(adapter, | |
959 | QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE); | |
960 | goto correct; | |
961 | } | |
962 | ||
963 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) { | |
964 | mem_crb = qlcnic_get_ioaddr(adapter, | |
965 | QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE); | |
966 | goto correct; | |
967 | } | |
968 | ||
969 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) | |
970 | return qlcnic_pci_mem_access_direct(adapter, off, &data, 1); | |
971 | ||
972 | return -EIO; | |
973 | ||
974 | correct: | |
975 | stride = QLCNIC_IS_REVISION_P3P(adapter->ahw.revision_id) ? 16 : 8; | |
976 | ||
977 | off8 = off & ~(stride-1); | |
978 | ||
979 | mutex_lock(&adapter->ahw.mem_lock); | |
980 | ||
981 | writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); | |
982 | writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); | |
983 | ||
984 | i = 0; | |
985 | if (stride == 16) { | |
986 | writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); | |
987 | writel((TA_CTL_START | TA_CTL_ENABLE), | |
988 | (mem_crb + TEST_AGT_CTRL)); | |
989 | ||
990 | for (j = 0; j < MAX_CTL_CHECK; j++) { | |
991 | temp = readl(mem_crb + TEST_AGT_CTRL); | |
992 | if ((temp & TA_CTL_BUSY) == 0) | |
993 | break; | |
994 | } | |
995 | ||
996 | if (j >= MAX_CTL_CHECK) { | |
997 | ret = -EIO; | |
998 | goto done; | |
999 | } | |
1000 | ||
1001 | i = (off & 0xf) ? 0 : 2; | |
1002 | writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)), | |
1003 | mem_crb + MIU_TEST_AGT_WRDATA(i)); | |
1004 | writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)), | |
1005 | mem_crb + MIU_TEST_AGT_WRDATA(i+1)); | |
1006 | i = (off & 0xf) ? 2 : 0; | |
1007 | } | |
1008 | ||
1009 | writel(data & 0xffffffff, | |
1010 | mem_crb + MIU_TEST_AGT_WRDATA(i)); | |
1011 | writel((data >> 32) & 0xffffffff, | |
1012 | mem_crb + MIU_TEST_AGT_WRDATA(i+1)); | |
1013 | ||
1014 | writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL)); | |
1015 | writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE), | |
1016 | (mem_crb + TEST_AGT_CTRL)); | |
1017 | ||
1018 | for (j = 0; j < MAX_CTL_CHECK; j++) { | |
1019 | temp = readl(mem_crb + TEST_AGT_CTRL); | |
1020 | if ((temp & TA_CTL_BUSY) == 0) | |
1021 | break; | |
1022 | } | |
1023 | ||
1024 | if (j >= MAX_CTL_CHECK) { | |
1025 | if (printk_ratelimit()) | |
1026 | dev_err(&adapter->pdev->dev, | |
1027 | "failed to write through agent\n"); | |
1028 | ret = -EIO; | |
1029 | } else | |
1030 | ret = 0; | |
1031 | ||
1032 | done: | |
1033 | mutex_unlock(&adapter->ahw.mem_lock); | |
1034 | ||
1035 | return ret; | |
1036 | } | |
1037 | ||
1038 | int | |
1039 | qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, | |
1040 | u64 off, u64 *data) | |
1041 | { | |
1042 | int j, ret; | |
1043 | u32 temp, off8; | |
1044 | u64 val, stride; | |
1045 | void __iomem *mem_crb; | |
1046 | ||
1047 | /* Only 64-bit aligned access */ | |
1048 | if (off & 7) | |
1049 | return -EIO; | |
1050 | ||
1051 | /* P3 onward, test agent base for MIU and SIU is same */ | |
1052 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, | |
1053 | QLCNIC_ADDR_QDR_NET_MAX_P3)) { | |
1054 | mem_crb = qlcnic_get_ioaddr(adapter, | |
1055 | QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE); | |
1056 | goto correct; | |
1057 | } | |
1058 | ||
1059 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) { | |
1060 | mem_crb = qlcnic_get_ioaddr(adapter, | |
1061 | QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE); | |
1062 | goto correct; | |
1063 | } | |
1064 | ||
1065 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) { | |
1066 | return qlcnic_pci_mem_access_direct(adapter, | |
1067 | off, data, 0); | |
1068 | } | |
1069 | ||
1070 | return -EIO; | |
1071 | ||
1072 | correct: | |
1073 | stride = QLCNIC_IS_REVISION_P3P(adapter->ahw.revision_id) ? 16 : 8; | |
1074 | ||
1075 | off8 = off & ~(stride-1); | |
1076 | ||
1077 | mutex_lock(&adapter->ahw.mem_lock); | |
1078 | ||
1079 | writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); | |
1080 | writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); | |
1081 | writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); | |
1082 | writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL)); | |
1083 | ||
1084 | for (j = 0; j < MAX_CTL_CHECK; j++) { | |
1085 | temp = readl(mem_crb + TEST_AGT_CTRL); | |
1086 | if ((temp & TA_CTL_BUSY) == 0) | |
1087 | break; | |
1088 | } | |
1089 | ||
1090 | if (j >= MAX_CTL_CHECK) { | |
1091 | if (printk_ratelimit()) | |
1092 | dev_err(&adapter->pdev->dev, | |
1093 | "failed to read through agent\n"); | |
1094 | ret = -EIO; | |
1095 | } else { | |
1096 | off8 = MIU_TEST_AGT_RDDATA_LO; | |
1097 | if ((stride == 16) && (off & 0xf)) | |
1098 | off8 = MIU_TEST_AGT_RDDATA_UPPER_LO; | |
1099 | ||
1100 | temp = readl(mem_crb + off8 + 4); | |
1101 | val = (u64)temp << 32; | |
1102 | val |= readl(mem_crb + off8); | |
1103 | *data = val; | |
1104 | ret = 0; | |
1105 | } | |
1106 | ||
1107 | mutex_unlock(&adapter->ahw.mem_lock); | |
1108 | ||
1109 | return ret; | |
1110 | } | |
1111 | ||
1112 | int qlcnic_get_board_info(struct qlcnic_adapter *adapter) | |
1113 | { | |
1114 | int offset, board_type, magic; | |
1115 | struct pci_dev *pdev = adapter->pdev; | |
1116 | ||
1117 | offset = QLCNIC_FW_MAGIC_OFFSET; | |
1118 | if (qlcnic_rom_fast_read(adapter, offset, &magic)) | |
1119 | return -EIO; | |
1120 | ||
1121 | if (magic != QLCNIC_BDINFO_MAGIC) { | |
1122 | dev_err(&pdev->dev, "invalid board config, magic=%08x\n", | |
1123 | magic); | |
1124 | return -EIO; | |
1125 | } | |
1126 | ||
1127 | offset = QLCNIC_BRDTYPE_OFFSET; | |
1128 | if (qlcnic_rom_fast_read(adapter, offset, &board_type)) | |
1129 | return -EIO; | |
1130 | ||
1131 | adapter->ahw.board_type = board_type; | |
1132 | ||
1133 | if (board_type == QLCNIC_BRDTYPE_P3_4_GB_MM) { | |
1134 | u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I); | |
1135 | if ((gpio & 0x8000) == 0) | |
1136 | board_type = QLCNIC_BRDTYPE_P3_10G_TP; | |
1137 | } | |
1138 | ||
1139 | switch (board_type) { | |
1140 | case QLCNIC_BRDTYPE_P3_HMEZ: | |
1141 | case QLCNIC_BRDTYPE_P3_XG_LOM: | |
1142 | case QLCNIC_BRDTYPE_P3_10G_CX4: | |
1143 | case QLCNIC_BRDTYPE_P3_10G_CX4_LP: | |
1144 | case QLCNIC_BRDTYPE_P3_IMEZ: | |
1145 | case QLCNIC_BRDTYPE_P3_10G_SFP_PLUS: | |
1146 | case QLCNIC_BRDTYPE_P3_10G_SFP_CT: | |
1147 | case QLCNIC_BRDTYPE_P3_10G_SFP_QT: | |
1148 | case QLCNIC_BRDTYPE_P3_10G_XFP: | |
1149 | case QLCNIC_BRDTYPE_P3_10000_BASE_T: | |
1150 | adapter->ahw.port_type = QLCNIC_XGBE; | |
1151 | break; | |
1152 | case QLCNIC_BRDTYPE_P3_REF_QG: | |
1153 | case QLCNIC_BRDTYPE_P3_4_GB: | |
1154 | case QLCNIC_BRDTYPE_P3_4_GB_MM: | |
1155 | adapter->ahw.port_type = QLCNIC_GBE; | |
1156 | break; | |
1157 | case QLCNIC_BRDTYPE_P3_10G_TP: | |
1158 | adapter->ahw.port_type = (adapter->portnum < 2) ? | |
1159 | QLCNIC_XGBE : QLCNIC_GBE; | |
1160 | break; | |
1161 | default: | |
1162 | dev_err(&pdev->dev, "unknown board type %x\n", board_type); | |
1163 | adapter->ahw.port_type = QLCNIC_XGBE; | |
1164 | break; | |
1165 | } | |
1166 | ||
1167 | return 0; | |
1168 | } | |
1169 | ||
1170 | int | |
1171 | qlcnic_wol_supported(struct qlcnic_adapter *adapter) | |
1172 | { | |
1173 | u32 wol_cfg; | |
1174 | ||
1175 | wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); | |
1176 | if (wol_cfg & (1UL << adapter->portnum)) { | |
1177 | wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); | |
1178 | if (wol_cfg & (1 << adapter->portnum)) | |
1179 | return 1; | |
1180 | } | |
1181 | ||
1182 | return 0; | |
1183 | } | |
897d3596 SC |
1184 | |
1185 | int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) | |
1186 | { | |
1187 | struct qlcnic_nic_req req; | |
1188 | int rv; | |
1189 | u64 word; | |
1190 | ||
1191 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
1192 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
1193 | ||
1194 | word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16); | |
1195 | req.req_hdr = cpu_to_le64(word); | |
1196 | ||
1197 | req.words[0] = cpu_to_le64((u64)rate << 32); | |
1198 | req.words[1] = cpu_to_le64(state); | |
1199 | ||
1200 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
1201 | if (rv) | |
1202 | dev_err(&adapter->pdev->dev, "LED configuration failed.\n"); | |
1203 | ||
1204 | return rv; | |
1205 | } | |
cdaff185 AKS |
1206 | |
1207 | static int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u32 flag) | |
1208 | { | |
1209 | struct qlcnic_nic_req req; | |
1210 | int rv; | |
1211 | u64 word; | |
1212 | ||
1213 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
1214 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
1215 | ||
1216 | word = QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK | | |
1217 | ((u64)adapter->portnum << 16); | |
1218 | req.req_hdr = cpu_to_le64(word); | |
1219 | req.words[0] = cpu_to_le64(flag); | |
1220 | ||
1221 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
1222 | if (rv) | |
1223 | dev_err(&adapter->pdev->dev, | |
1224 | "%sting loopback mode failed.\n", | |
1225 | flag ? "Set" : "Reset"); | |
1226 | return rv; | |
1227 | } | |
1228 | ||
1229 | int qlcnic_set_ilb_mode(struct qlcnic_adapter *adapter) | |
1230 | { | |
1231 | if (qlcnic_set_fw_loopback(adapter, 1)) | |
1232 | return -EIO; | |
1233 | ||
1234 | if (qlcnic_nic_set_promisc(adapter, | |
1235 | VPORT_MISS_MODE_ACCEPT_ALL)) { | |
1236 | qlcnic_set_fw_loopback(adapter, 0); | |
1237 | return -EIO; | |
1238 | } | |
1239 | ||
1240 | msleep(1000); | |
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | void qlcnic_clear_ilb_mode(struct qlcnic_adapter *adapter) | |
1245 | { | |
1246 | int mode = VPORT_MISS_MODE_DROP; | |
1247 | struct net_device *netdev = adapter->netdev; | |
1248 | ||
1249 | qlcnic_set_fw_loopback(adapter, 0); | |
1250 | ||
1251 | if (netdev->flags & IFF_PROMISC) | |
1252 | mode = VPORT_MISS_MODE_ACCEPT_ALL; | |
1253 | else if (netdev->flags & IFF_ALLMULTI) | |
1254 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; | |
1255 | ||
1256 | qlcnic_nic_set_promisc(adapter, mode); | |
1257 | } |