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a9083016 GM |
1 | /* |
2 | * QLogic Fibre Channel HBA Driver | |
07e264b7 | 3 | * Copyright (c) 2003-2011 QLogic Corporation |
a9083016 GM |
4 | * |
5 | * See LICENSE.qla2xxx for copyright and licensing details. | |
6 | */ | |
7 | #include "qla_def.h" | |
8 | #include <linux/delay.h> | |
9 | #include <linux/pci.h> | |
ff2fc42e | 10 | #include <scsi/scsi_tcq.h> |
a9083016 GM |
11 | |
12 | #define MASK(n) ((1ULL<<(n))-1) | |
13 | #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \ | |
14 | ((addr >> 25) & 0x3ff)) | |
15 | #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \ | |
16 | ((addr >> 25) & 0x3ff)) | |
17 | #define MS_WIN(addr) (addr & 0x0ffc0000) | |
18 | #define QLA82XX_PCI_MN_2M (0) | |
19 | #define QLA82XX_PCI_MS_2M (0x80000) | |
20 | #define QLA82XX_PCI_OCM0_2M (0xc0000) | |
21 | #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800) | |
22 | #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) | |
0547fb37 | 23 | #define BLOCK_PROTECT_BITS 0x0F |
a9083016 GM |
24 | |
25 | /* CRB window related */ | |
26 | #define CRB_BLK(off) ((off >> 20) & 0x3f) | |
27 | #define CRB_SUBBLK(off) ((off >> 16) & 0xf) | |
28 | #define CRB_WINDOW_2M (0x130060) | |
29 | #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL) | |
30 | #define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \ | |
31 | ((off) & 0xf0000)) | |
32 | #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL) | |
33 | #define CRB_INDIRECT_2M (0x1e0000UL) | |
34 | ||
a9083016 GM |
35 | #define MAX_CRB_XFORM 60 |
36 | static unsigned long crb_addr_xform[MAX_CRB_XFORM]; | |
37 | int qla82xx_crb_table_initialized; | |
38 | ||
39 | #define qla82xx_crb_addr_transform(name) \ | |
40 | (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \ | |
41 | QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20) | |
42 | ||
43 | static void qla82xx_crb_addr_transform_setup(void) | |
44 | { | |
45 | qla82xx_crb_addr_transform(XDMA); | |
46 | qla82xx_crb_addr_transform(TIMR); | |
47 | qla82xx_crb_addr_transform(SRE); | |
48 | qla82xx_crb_addr_transform(SQN3); | |
49 | qla82xx_crb_addr_transform(SQN2); | |
50 | qla82xx_crb_addr_transform(SQN1); | |
51 | qla82xx_crb_addr_transform(SQN0); | |
52 | qla82xx_crb_addr_transform(SQS3); | |
53 | qla82xx_crb_addr_transform(SQS2); | |
54 | qla82xx_crb_addr_transform(SQS1); | |
55 | qla82xx_crb_addr_transform(SQS0); | |
56 | qla82xx_crb_addr_transform(RPMX7); | |
57 | qla82xx_crb_addr_transform(RPMX6); | |
58 | qla82xx_crb_addr_transform(RPMX5); | |
59 | qla82xx_crb_addr_transform(RPMX4); | |
60 | qla82xx_crb_addr_transform(RPMX3); | |
61 | qla82xx_crb_addr_transform(RPMX2); | |
62 | qla82xx_crb_addr_transform(RPMX1); | |
63 | qla82xx_crb_addr_transform(RPMX0); | |
64 | qla82xx_crb_addr_transform(ROMUSB); | |
65 | qla82xx_crb_addr_transform(SN); | |
66 | qla82xx_crb_addr_transform(QMN); | |
67 | qla82xx_crb_addr_transform(QMS); | |
68 | qla82xx_crb_addr_transform(PGNI); | |
69 | qla82xx_crb_addr_transform(PGND); | |
70 | qla82xx_crb_addr_transform(PGN3); | |
71 | qla82xx_crb_addr_transform(PGN2); | |
72 | qla82xx_crb_addr_transform(PGN1); | |
73 | qla82xx_crb_addr_transform(PGN0); | |
74 | qla82xx_crb_addr_transform(PGSI); | |
75 | qla82xx_crb_addr_transform(PGSD); | |
76 | qla82xx_crb_addr_transform(PGS3); | |
77 | qla82xx_crb_addr_transform(PGS2); | |
78 | qla82xx_crb_addr_transform(PGS1); | |
79 | qla82xx_crb_addr_transform(PGS0); | |
80 | qla82xx_crb_addr_transform(PS); | |
81 | qla82xx_crb_addr_transform(PH); | |
82 | qla82xx_crb_addr_transform(NIU); | |
83 | qla82xx_crb_addr_transform(I2Q); | |
84 | qla82xx_crb_addr_transform(EG); | |
85 | qla82xx_crb_addr_transform(MN); | |
86 | qla82xx_crb_addr_transform(MS); | |
87 | qla82xx_crb_addr_transform(CAS2); | |
88 | qla82xx_crb_addr_transform(CAS1); | |
89 | qla82xx_crb_addr_transform(CAS0); | |
90 | qla82xx_crb_addr_transform(CAM); | |
91 | qla82xx_crb_addr_transform(C2C1); | |
92 | qla82xx_crb_addr_transform(C2C0); | |
93 | qla82xx_crb_addr_transform(SMB); | |
94 | qla82xx_crb_addr_transform(OCM0); | |
95 | /* | |
96 | * Used only in P3 just define it for P2 also. | |
97 | */ | |
98 | qla82xx_crb_addr_transform(I2C0); | |
99 | ||
100 | qla82xx_crb_table_initialized = 1; | |
101 | } | |
102 | ||
103 | struct crb_128M_2M_block_map crb_128M_2M_map[64] = { | |
104 | {{{0, 0, 0, 0} } }, | |
105 | {{{1, 0x0100000, 0x0102000, 0x120000}, | |
106 | {1, 0x0110000, 0x0120000, 0x130000}, | |
107 | {1, 0x0120000, 0x0122000, 0x124000}, | |
108 | {1, 0x0130000, 0x0132000, 0x126000}, | |
109 | {1, 0x0140000, 0x0142000, 0x128000}, | |
110 | {1, 0x0150000, 0x0152000, 0x12a000}, | |
111 | {1, 0x0160000, 0x0170000, 0x110000}, | |
112 | {1, 0x0170000, 0x0172000, 0x12e000}, | |
113 | {0, 0x0000000, 0x0000000, 0x000000}, | |
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 | {1, 0x01e0000, 0x01e0800, 0x122000}, | |
120 | {0, 0x0000000, 0x0000000, 0x000000} } } , | |
121 | {{{1, 0x0200000, 0x0210000, 0x180000} } }, | |
122 | {{{0, 0, 0, 0} } }, | |
123 | {{{1, 0x0400000, 0x0401000, 0x169000} } }, | |
124 | {{{1, 0x0500000, 0x0510000, 0x140000} } }, | |
125 | {{{1, 0x0600000, 0x0610000, 0x1c0000} } }, | |
126 | {{{1, 0x0700000, 0x0704000, 0x1b8000} } }, | |
127 | {{{1, 0x0800000, 0x0802000, 0x170000}, | |
128 | {0, 0x0000000, 0x0000000, 0x000000}, | |
129 | {0, 0x0000000, 0x0000000, 0x000000}, | |
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 | {1, 0x08f0000, 0x08f2000, 0x172000} } }, | |
143 | {{{1, 0x0900000, 0x0902000, 0x174000}, | |
144 | {0, 0x0000000, 0x0000000, 0x000000}, | |
145 | {0, 0x0000000, 0x0000000, 0x000000}, | |
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 | {1, 0x09f0000, 0x09f2000, 0x176000} } }, | |
159 | {{{0, 0x0a00000, 0x0a02000, 0x178000}, | |
160 | {0, 0x0000000, 0x0000000, 0x000000}, | |
161 | {0, 0x0000000, 0x0000000, 0x000000}, | |
162 | {0, 0x0000000, 0x0000000, 0x000000}, | |
163 | {0, 0x0000000, 0x0000000, 0x000000}, | |
164 | {0, 0x0000000, 0x0000000, 0x000000}, | |
165 | {0, 0x0000000, 0x0000000, 0x000000}, | |
166 | {0, 0x0000000, 0x0000000, 0x000000}, | |
167 | {0, 0x0000000, 0x0000000, 0x000000}, | |
168 | {0, 0x0000000, 0x0000000, 0x000000}, | |
169 | {0, 0x0000000, 0x0000000, 0x000000}, | |
170 | {0, 0x0000000, 0x0000000, 0x000000}, | |
171 | {0, 0x0000000, 0x0000000, 0x000000}, | |
172 | {0, 0x0000000, 0x0000000, 0x000000}, | |
173 | {0, 0x0000000, 0x0000000, 0x000000}, | |
174 | {1, 0x0af0000, 0x0af2000, 0x17a000} } }, | |
175 | {{{0, 0x0b00000, 0x0b02000, 0x17c000}, | |
176 | {0, 0x0000000, 0x0000000, 0x000000}, | |
177 | {0, 0x0000000, 0x0000000, 0x000000}, | |
178 | {0, 0x0000000, 0x0000000, 0x000000}, | |
179 | {0, 0x0000000, 0x0000000, 0x000000}, | |
180 | {0, 0x0000000, 0x0000000, 0x000000}, | |
181 | {0, 0x0000000, 0x0000000, 0x000000}, | |
182 | {0, 0x0000000, 0x0000000, 0x000000}, | |
183 | {0, 0x0000000, 0x0000000, 0x000000}, | |
184 | {0, 0x0000000, 0x0000000, 0x000000}, | |
185 | {0, 0x0000000, 0x0000000, 0x000000}, | |
186 | {0, 0x0000000, 0x0000000, 0x000000}, | |
187 | {0, 0x0000000, 0x0000000, 0x000000}, | |
188 | {0, 0x0000000, 0x0000000, 0x000000}, | |
189 | {0, 0x0000000, 0x0000000, 0x000000}, | |
190 | {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, | |
191 | {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } }, | |
192 | {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } }, | |
193 | {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } }, | |
194 | {{{1, 0x0f00000, 0x0f01000, 0x164000} } }, | |
195 | {{{0, 0x1000000, 0x1004000, 0x1a8000} } }, | |
196 | {{{1, 0x1100000, 0x1101000, 0x160000} } }, | |
197 | {{{1, 0x1200000, 0x1201000, 0x161000} } }, | |
198 | {{{1, 0x1300000, 0x1301000, 0x162000} } }, | |
199 | {{{1, 0x1400000, 0x1401000, 0x163000} } }, | |
200 | {{{1, 0x1500000, 0x1501000, 0x165000} } }, | |
201 | {{{1, 0x1600000, 0x1601000, 0x166000} } }, | |
202 | {{{0, 0, 0, 0} } }, | |
203 | {{{0, 0, 0, 0} } }, | |
204 | {{{0, 0, 0, 0} } }, | |
205 | {{{0, 0, 0, 0} } }, | |
206 | {{{0, 0, 0, 0} } }, | |
207 | {{{0, 0, 0, 0} } }, | |
208 | {{{1, 0x1d00000, 0x1d10000, 0x190000} } }, | |
209 | {{{1, 0x1e00000, 0x1e01000, 0x16a000} } }, | |
210 | {{{1, 0x1f00000, 0x1f10000, 0x150000} } }, | |
211 | {{{0} } }, | |
212 | {{{1, 0x2100000, 0x2102000, 0x120000}, | |
213 | {1, 0x2110000, 0x2120000, 0x130000}, | |
214 | {1, 0x2120000, 0x2122000, 0x124000}, | |
215 | {1, 0x2130000, 0x2132000, 0x126000}, | |
216 | {1, 0x2140000, 0x2142000, 0x128000}, | |
217 | {1, 0x2150000, 0x2152000, 0x12a000}, | |
218 | {1, 0x2160000, 0x2170000, 0x110000}, | |
219 | {1, 0x2170000, 0x2172000, 0x12e000}, | |
220 | {0, 0x0000000, 0x0000000, 0x000000}, | |
221 | {0, 0x0000000, 0x0000000, 0x000000}, | |
222 | {0, 0x0000000, 0x0000000, 0x000000}, | |
223 | {0, 0x0000000, 0x0000000, 0x000000}, | |
224 | {0, 0x0000000, 0x0000000, 0x000000}, | |
225 | {0, 0x0000000, 0x0000000, 0x000000}, | |
226 | {0, 0x0000000, 0x0000000, 0x000000}, | |
227 | {0, 0x0000000, 0x0000000, 0x000000} } }, | |
228 | {{{1, 0x2200000, 0x2204000, 0x1b0000} } }, | |
229 | {{{0} } }, | |
230 | {{{0} } }, | |
231 | {{{0} } }, | |
232 | {{{0} } }, | |
233 | {{{0} } }, | |
234 | {{{1, 0x2800000, 0x2804000, 0x1a4000} } }, | |
235 | {{{1, 0x2900000, 0x2901000, 0x16b000} } }, | |
236 | {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } }, | |
237 | {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } }, | |
238 | {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } }, | |
239 | {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } }, | |
240 | {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } }, | |
241 | {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } }, | |
242 | {{{1, 0x3000000, 0x3000400, 0x1adc00} } }, | |
243 | {{{0, 0x3100000, 0x3104000, 0x1a8000} } }, | |
244 | {{{1, 0x3200000, 0x3204000, 0x1d4000} } }, | |
245 | {{{1, 0x3300000, 0x3304000, 0x1a0000} } }, | |
246 | {{{0} } }, | |
247 | {{{1, 0x3500000, 0x3500400, 0x1ac000} } }, | |
248 | {{{1, 0x3600000, 0x3600400, 0x1ae000} } }, | |
249 | {{{1, 0x3700000, 0x3700400, 0x1ae400} } }, | |
250 | {{{1, 0x3800000, 0x3804000, 0x1d0000} } }, | |
251 | {{{1, 0x3900000, 0x3904000, 0x1b4000} } }, | |
252 | {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } }, | |
253 | {{{0} } }, | |
254 | {{{0} } }, | |
255 | {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } }, | |
256 | {{{1, 0x3e00000, 0x3e01000, 0x167000} } }, | |
257 | {{{1, 0x3f00000, 0x3f01000, 0x168000} } } | |
258 | }; | |
259 | ||
260 | /* | |
261 | * top 12 bits of crb internal address (hub, agent) | |
262 | */ | |
263 | unsigned qla82xx_crb_hub_agt[64] = { | |
264 | 0, | |
265 | QLA82XX_HW_CRB_HUB_AGT_ADR_PS, | |
266 | QLA82XX_HW_CRB_HUB_AGT_ADR_MN, | |
267 | QLA82XX_HW_CRB_HUB_AGT_ADR_MS, | |
268 | 0, | |
269 | QLA82XX_HW_CRB_HUB_AGT_ADR_SRE, | |
270 | QLA82XX_HW_CRB_HUB_AGT_ADR_NIU, | |
271 | QLA82XX_HW_CRB_HUB_AGT_ADR_QMN, | |
272 | QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0, | |
273 | QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1, | |
274 | QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2, | |
275 | QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3, | |
276 | QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, | |
277 | QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, | |
278 | QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, | |
279 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4, | |
280 | QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, | |
281 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0, | |
282 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1, | |
283 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2, | |
284 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3, | |
285 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGND, | |
286 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI, | |
287 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0, | |
288 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1, | |
289 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2, | |
290 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3, | |
291 | 0, | |
292 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI, | |
293 | QLA82XX_HW_CRB_HUB_AGT_ADR_SN, | |
294 | 0, | |
295 | QLA82XX_HW_CRB_HUB_AGT_ADR_EG, | |
296 | 0, | |
297 | QLA82XX_HW_CRB_HUB_AGT_ADR_PS, | |
298 | QLA82XX_HW_CRB_HUB_AGT_ADR_CAM, | |
299 | 0, | |
300 | 0, | |
301 | 0, | |
302 | 0, | |
303 | 0, | |
304 | QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, | |
305 | 0, | |
306 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1, | |
307 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2, | |
308 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3, | |
309 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4, | |
310 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5, | |
311 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6, | |
312 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7, | |
313 | QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, | |
314 | QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, | |
315 | QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, | |
316 | 0, | |
317 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0, | |
318 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8, | |
319 | QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9, | |
320 | QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0, | |
321 | 0, | |
322 | QLA82XX_HW_CRB_HUB_AGT_ADR_SMB, | |
323 | QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0, | |
324 | QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1, | |
325 | 0, | |
326 | QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC, | |
327 | 0, | |
328 | }; | |
329 | ||
f1af6208 GM |
330 | /* Device states */ |
331 | char *qdev_state[] = { | |
332 | "Unknown", | |
333 | "Cold", | |
334 | "Initializing", | |
335 | "Ready", | |
336 | "Need Reset", | |
337 | "Need Quiescent", | |
338 | "Failed", | |
339 | "Quiescent", | |
340 | }; | |
341 | ||
a9083016 GM |
342 | /* |
343 | * In: 'off' is offset from CRB space in 128M pci map | |
344 | * Out: 'off' is 2M pci map addr | |
345 | * side effect: lock crb window | |
346 | */ | |
347 | static void | |
348 | qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off) | |
349 | { | |
350 | u32 win_read; | |
351 | ||
352 | ha->crb_win = CRB_HI(*off); | |
353 | writel(ha->crb_win, | |
354 | (void *)(CRB_WINDOW_2M + ha->nx_pcibase)); | |
355 | ||
356 | /* Read back value to make sure write has gone through before trying | |
357 | * to use it. | |
358 | */ | |
359 | win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); | |
360 | if (win_read != ha->crb_win) { | |
361 | DEBUG2(qla_printk(KERN_INFO, ha, | |
362 | "%s: Written crbwin (0x%x) != Read crbwin (0x%x), " | |
363 | "off=0x%lx\n", __func__, ha->crb_win, win_read, *off)); | |
364 | } | |
365 | *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase; | |
366 | } | |
367 | ||
368 | static inline unsigned long | |
369 | qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off) | |
370 | { | |
371 | /* See if we are currently pointing to the region we want to use next */ | |
372 | if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) { | |
373 | /* No need to change window. PCIX and PCIEregs are in both | |
374 | * regs are in both windows. | |
375 | */ | |
376 | return off; | |
377 | } | |
378 | ||
379 | if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) { | |
380 | /* We are in first CRB window */ | |
381 | if (ha->curr_window != 0) | |
382 | WARN_ON(1); | |
383 | return off; | |
384 | } | |
385 | ||
386 | if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) { | |
387 | /* We are in second CRB window */ | |
388 | off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST; | |
389 | ||
390 | if (ha->curr_window != 1) | |
391 | return off; | |
392 | ||
393 | /* We are in the QM or direct access | |
394 | * register region - do nothing | |
395 | */ | |
396 | if ((off >= QLA82XX_PCI_DIRECT_CRB) && | |
397 | (off < QLA82XX_PCI_CAMQM_MAX)) | |
398 | return off; | |
399 | } | |
400 | /* strange address given */ | |
401 | qla_printk(KERN_WARNING, ha, | |
402 | "%s: Warning: unm_nic_pci_set_crbwindow called with" | |
403 | " an unknown address(%llx)\n", QLA2XXX_DRIVER_NAME, off); | |
404 | return off; | |
405 | } | |
406 | ||
77e334d2 GM |
407 | static int |
408 | qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off) | |
409 | { | |
410 | struct crb_128M_2M_sub_block_map *m; | |
411 | ||
412 | if (*off >= QLA82XX_CRB_MAX) | |
413 | return -1; | |
414 | ||
415 | if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) { | |
416 | *off = (*off - QLA82XX_PCI_CAMQM) + | |
417 | QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase; | |
418 | return 0; | |
419 | } | |
420 | ||
421 | if (*off < QLA82XX_PCI_CRBSPACE) | |
422 | return -1; | |
423 | ||
424 | *off -= QLA82XX_PCI_CRBSPACE; | |
425 | ||
426 | /* Try direct map */ | |
427 | m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)]; | |
428 | ||
429 | if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) { | |
430 | *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase; | |
431 | return 0; | |
432 | } | |
433 | /* Not in direct map, use crb window */ | |
434 | return 1; | |
435 | } | |
436 | ||
437 | #define CRB_WIN_LOCK_TIMEOUT 100000000 | |
438 | static int qla82xx_crb_win_lock(struct qla_hw_data *ha) | |
439 | { | |
440 | int done = 0, timeout = 0; | |
441 | ||
442 | while (!done) { | |
443 | /* acquire semaphore3 from PCI HW block */ | |
444 | done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK)); | |
445 | if (done == 1) | |
446 | break; | |
447 | if (timeout >= CRB_WIN_LOCK_TIMEOUT) | |
448 | return -1; | |
449 | timeout++; | |
450 | } | |
451 | qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum); | |
452 | return 0; | |
453 | } | |
454 | ||
a9083016 GM |
455 | int |
456 | qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data) | |
457 | { | |
458 | unsigned long flags = 0; | |
459 | int rv; | |
460 | ||
461 | rv = qla82xx_pci_get_crb_addr_2M(ha, &off); | |
462 | ||
463 | BUG_ON(rv == -1); | |
464 | ||
465 | if (rv == 1) { | |
466 | write_lock_irqsave(&ha->hw_lock, flags); | |
467 | qla82xx_crb_win_lock(ha); | |
468 | qla82xx_pci_set_crbwindow_2M(ha, &off); | |
469 | } | |
470 | ||
471 | writel(data, (void __iomem *)off); | |
472 | ||
473 | if (rv == 1) { | |
474 | qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); | |
475 | write_unlock_irqrestore(&ha->hw_lock, flags); | |
476 | } | |
477 | return 0; | |
478 | } | |
479 | ||
480 | int | |
481 | qla82xx_rd_32(struct qla_hw_data *ha, ulong off) | |
482 | { | |
483 | unsigned long flags = 0; | |
484 | int rv; | |
485 | u32 data; | |
486 | ||
487 | rv = qla82xx_pci_get_crb_addr_2M(ha, &off); | |
488 | ||
489 | BUG_ON(rv == -1); | |
490 | ||
491 | if (rv == 1) { | |
492 | write_lock_irqsave(&ha->hw_lock, flags); | |
493 | qla82xx_crb_win_lock(ha); | |
494 | qla82xx_pci_set_crbwindow_2M(ha, &off); | |
495 | } | |
496 | data = RD_REG_DWORD((void __iomem *)off); | |
497 | ||
498 | if (rv == 1) { | |
499 | qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); | |
500 | write_unlock_irqrestore(&ha->hw_lock, flags); | |
501 | } | |
502 | return data; | |
503 | } | |
504 | ||
a9083016 GM |
505 | #define IDC_LOCK_TIMEOUT 100000000 |
506 | int qla82xx_idc_lock(struct qla_hw_data *ha) | |
507 | { | |
508 | int i; | |
509 | int done = 0, timeout = 0; | |
510 | ||
511 | while (!done) { | |
512 | /* acquire semaphore5 from PCI HW block */ | |
513 | done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK)); | |
514 | if (done == 1) | |
515 | break; | |
516 | if (timeout >= IDC_LOCK_TIMEOUT) | |
517 | return -1; | |
518 | ||
519 | timeout++; | |
520 | ||
521 | /* Yield CPU */ | |
522 | if (!in_interrupt()) | |
523 | schedule(); | |
524 | else { | |
525 | for (i = 0; i < 20; i++) | |
526 | cpu_relax(); | |
527 | } | |
528 | } | |
529 | ||
530 | return 0; | |
531 | } | |
532 | ||
533 | void qla82xx_idc_unlock(struct qla_hw_data *ha) | |
534 | { | |
535 | qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK)); | |
536 | } | |
537 | ||
a9083016 GM |
538 | /* PCI Windowing for DDR regions. */ |
539 | #define QLA82XX_ADDR_IN_RANGE(addr, low, high) \ | |
540 | (((addr) <= (high)) && ((addr) >= (low))) | |
541 | /* | |
542 | * check memory access boundary. | |
543 | * used by test agent. support ddr access only for now | |
544 | */ | |
545 | static unsigned long | |
546 | qla82xx_pci_mem_bound_check(struct qla_hw_data *ha, | |
547 | unsigned long long addr, int size) | |
548 | { | |
549 | if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, | |
550 | QLA82XX_ADDR_DDR_NET_MAX) || | |
551 | !QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET, | |
552 | QLA82XX_ADDR_DDR_NET_MAX) || | |
553 | ((size != 1) && (size != 2) && (size != 4) && (size != 8))) | |
554 | return 0; | |
555 | else | |
556 | return 1; | |
557 | } | |
558 | ||
559 | int qla82xx_pci_set_window_warning_count; | |
560 | ||
77e334d2 | 561 | static unsigned long |
a9083016 GM |
562 | qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr) |
563 | { | |
564 | int window; | |
565 | u32 win_read; | |
566 | ||
567 | if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, | |
568 | QLA82XX_ADDR_DDR_NET_MAX)) { | |
569 | /* DDR network side */ | |
570 | window = MN_WIN(addr); | |
571 | ha->ddr_mn_window = window; | |
572 | qla82xx_wr_32(ha, | |
573 | ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); | |
574 | win_read = qla82xx_rd_32(ha, | |
575 | ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); | |
576 | if ((win_read << 17) != window) { | |
577 | qla_printk(KERN_WARNING, ha, | |
578 | "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n", | |
579 | __func__, window, win_read); | |
580 | } | |
581 | addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET; | |
582 | } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0, | |
583 | QLA82XX_ADDR_OCM0_MAX)) { | |
584 | unsigned int temp1; | |
585 | if ((addr & 0x00ff800) == 0xff800) { | |
586 | qla_printk(KERN_WARNING, ha, | |
587 | "%s: QM access not handled.\n", __func__); | |
588 | addr = -1UL; | |
589 | } | |
590 | window = OCM_WIN(addr); | |
591 | ha->ddr_mn_window = window; | |
592 | qla82xx_wr_32(ha, | |
593 | ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); | |
594 | win_read = qla82xx_rd_32(ha, | |
595 | ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); | |
596 | temp1 = ((window & 0x1FF) << 7) | | |
597 | ((window & 0x0FFFE0000) >> 17); | |
598 | if (win_read != temp1) { | |
599 | qla_printk(KERN_WARNING, ha, | |
600 | "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x)\n", | |
601 | __func__, temp1, win_read); | |
602 | } | |
603 | addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M; | |
604 | ||
605 | } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, | |
606 | QLA82XX_P3_ADDR_QDR_NET_MAX)) { | |
607 | /* QDR network side */ | |
608 | window = MS_WIN(addr); | |
609 | ha->qdr_sn_window = window; | |
610 | qla82xx_wr_32(ha, | |
611 | ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window); | |
612 | win_read = qla82xx_rd_32(ha, | |
613 | ha->ms_win_crb | QLA82XX_PCI_CRBSPACE); | |
614 | if (win_read != window) { | |
615 | qla_printk(KERN_WARNING, ha, | |
616 | "%s: Written MSwin (0x%x) != Read MSwin (0x%x)\n", | |
617 | __func__, window, win_read); | |
618 | } | |
619 | addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET; | |
620 | } else { | |
621 | /* | |
622 | * peg gdb frequently accesses memory that doesn't exist, | |
623 | * this limits the chit chat so debugging isn't slowed down. | |
624 | */ | |
625 | if ((qla82xx_pci_set_window_warning_count++ < 8) || | |
626 | (qla82xx_pci_set_window_warning_count%64 == 0)) { | |
627 | qla_printk(KERN_WARNING, ha, | |
628 | "%s: Warning:%s Unknown address range!\n", __func__, | |
629 | QLA2XXX_DRIVER_NAME); | |
630 | } | |
631 | addr = -1UL; | |
632 | } | |
633 | return addr; | |
634 | } | |
635 | ||
636 | /* check if address is in the same windows as the previous access */ | |
637 | static int qla82xx_pci_is_same_window(struct qla_hw_data *ha, | |
638 | unsigned long long addr) | |
639 | { | |
640 | int window; | |
641 | unsigned long long qdr_max; | |
642 | ||
643 | qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX; | |
644 | ||
645 | /* DDR network side */ | |
646 | if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, | |
647 | QLA82XX_ADDR_DDR_NET_MAX)) | |
648 | BUG(); | |
649 | else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0, | |
650 | QLA82XX_ADDR_OCM0_MAX)) | |
651 | return 1; | |
652 | else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1, | |
653 | QLA82XX_ADDR_OCM1_MAX)) | |
654 | return 1; | |
655 | else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) { | |
656 | /* QDR network side */ | |
657 | window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f; | |
658 | if (ha->qdr_sn_window == window) | |
659 | return 1; | |
660 | } | |
661 | return 0; | |
662 | } | |
663 | ||
664 | static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha, | |
665 | u64 off, void *data, int size) | |
666 | { | |
667 | unsigned long flags; | |
f1af6208 | 668 | void *addr = NULL; |
a9083016 GM |
669 | int ret = 0; |
670 | u64 start; | |
671 | uint8_t *mem_ptr = NULL; | |
672 | unsigned long mem_base; | |
673 | unsigned long mem_page; | |
674 | ||
675 | write_lock_irqsave(&ha->hw_lock, flags); | |
676 | ||
677 | /* | |
678 | * If attempting to access unknown address or straddle hw windows, | |
679 | * do not access. | |
680 | */ | |
681 | start = qla82xx_pci_set_window(ha, off); | |
682 | if ((start == -1UL) || | |
683 | (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { | |
684 | write_unlock_irqrestore(&ha->hw_lock, flags); | |
685 | qla_printk(KERN_ERR, ha, | |
686 | "%s out of bound pci memory access. " | |
687 | "offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off); | |
688 | return -1; | |
689 | } | |
690 | ||
f1af6208 GM |
691 | write_unlock_irqrestore(&ha->hw_lock, flags); |
692 | mem_base = pci_resource_start(ha->pdev, 0); | |
693 | mem_page = start & PAGE_MASK; | |
694 | /* Map two pages whenever user tries to access addresses in two | |
695 | * consecutive pages. | |
696 | */ | |
697 | if (mem_page != ((start + size - 1) & PAGE_MASK)) | |
698 | mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); | |
699 | else | |
700 | mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); | |
701 | if (mem_ptr == 0UL) { | |
702 | *(u8 *)data = 0; | |
703 | return -1; | |
a9083016 | 704 | } |
f1af6208 GM |
705 | addr = mem_ptr; |
706 | addr += start & (PAGE_SIZE - 1); | |
707 | write_lock_irqsave(&ha->hw_lock, flags); | |
a9083016 GM |
708 | |
709 | switch (size) { | |
710 | case 1: | |
711 | *(u8 *)data = readb(addr); | |
712 | break; | |
713 | case 2: | |
714 | *(u16 *)data = readw(addr); | |
715 | break; | |
716 | case 4: | |
717 | *(u32 *)data = readl(addr); | |
718 | break; | |
719 | case 8: | |
720 | *(u64 *)data = readq(addr); | |
721 | break; | |
722 | default: | |
723 | ret = -1; | |
724 | break; | |
725 | } | |
726 | write_unlock_irqrestore(&ha->hw_lock, flags); | |
727 | ||
728 | if (mem_ptr) | |
729 | iounmap(mem_ptr); | |
730 | return ret; | |
731 | } | |
732 | ||
733 | static int | |
734 | qla82xx_pci_mem_write_direct(struct qla_hw_data *ha, | |
735 | u64 off, void *data, int size) | |
736 | { | |
737 | unsigned long flags; | |
f1af6208 | 738 | void *addr = NULL; |
a9083016 GM |
739 | int ret = 0; |
740 | u64 start; | |
741 | uint8_t *mem_ptr = NULL; | |
742 | unsigned long mem_base; | |
743 | unsigned long mem_page; | |
744 | ||
745 | write_lock_irqsave(&ha->hw_lock, flags); | |
746 | ||
747 | /* | |
748 | * If attempting to access unknown address or straddle hw windows, | |
749 | * do not access. | |
750 | */ | |
751 | start = qla82xx_pci_set_window(ha, off); | |
752 | if ((start == -1UL) || | |
753 | (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { | |
754 | write_unlock_irqrestore(&ha->hw_lock, flags); | |
755 | qla_printk(KERN_ERR, ha, | |
756 | "%s out of bound pci memory access. " | |
757 | "offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off); | |
758 | return -1; | |
759 | } | |
760 | ||
f1af6208 GM |
761 | write_unlock_irqrestore(&ha->hw_lock, flags); |
762 | mem_base = pci_resource_start(ha->pdev, 0); | |
763 | mem_page = start & PAGE_MASK; | |
764 | /* Map two pages whenever user tries to access addresses in two | |
765 | * consecutive pages. | |
766 | */ | |
767 | if (mem_page != ((start + size - 1) & PAGE_MASK)) | |
768 | mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2); | |
769 | else | |
770 | mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); | |
771 | if (mem_ptr == 0UL) | |
772 | return -1; | |
a9083016 | 773 | |
f1af6208 GM |
774 | addr = mem_ptr; |
775 | addr += start & (PAGE_SIZE - 1); | |
776 | write_lock_irqsave(&ha->hw_lock, flags); | |
a9083016 GM |
777 | |
778 | switch (size) { | |
779 | case 1: | |
780 | writeb(*(u8 *)data, addr); | |
781 | break; | |
782 | case 2: | |
783 | writew(*(u16 *)data, addr); | |
784 | break; | |
785 | case 4: | |
786 | writel(*(u32 *)data, addr); | |
787 | break; | |
788 | case 8: | |
789 | writeq(*(u64 *)data, addr); | |
790 | break; | |
791 | default: | |
792 | ret = -1; | |
793 | break; | |
794 | } | |
795 | write_unlock_irqrestore(&ha->hw_lock, flags); | |
796 | if (mem_ptr) | |
797 | iounmap(mem_ptr); | |
798 | return ret; | |
799 | } | |
800 | ||
a9083016 | 801 | #define MTU_FUDGE_FACTOR 100 |
77e334d2 GM |
802 | static unsigned long |
803 | qla82xx_decode_crb_addr(unsigned long addr) | |
a9083016 GM |
804 | { |
805 | int i; | |
806 | unsigned long base_addr, offset, pci_base; | |
807 | ||
808 | if (!qla82xx_crb_table_initialized) | |
809 | qla82xx_crb_addr_transform_setup(); | |
810 | ||
811 | pci_base = ADDR_ERROR; | |
812 | base_addr = addr & 0xfff00000; | |
813 | offset = addr & 0x000fffff; | |
814 | ||
815 | for (i = 0; i < MAX_CRB_XFORM; i++) { | |
816 | if (crb_addr_xform[i] == base_addr) { | |
817 | pci_base = i << 20; | |
818 | break; | |
819 | } | |
820 | } | |
821 | if (pci_base == ADDR_ERROR) | |
822 | return pci_base; | |
823 | return pci_base + offset; | |
824 | } | |
825 | ||
826 | static long rom_max_timeout = 100; | |
827 | static long qla82xx_rom_lock_timeout = 100; | |
828 | ||
77e334d2 | 829 | static int |
a9083016 GM |
830 | qla82xx_rom_lock(struct qla_hw_data *ha) |
831 | { | |
832 | int done = 0, timeout = 0; | |
833 | ||
834 | while (!done) { | |
835 | /* acquire semaphore2 from PCI HW block */ | |
836 | done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); | |
837 | if (done == 1) | |
838 | break; | |
839 | if (timeout >= qla82xx_rom_lock_timeout) | |
840 | return -1; | |
841 | timeout++; | |
842 | } | |
843 | qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER); | |
844 | return 0; | |
845 | } | |
846 | ||
d652e093 CD |
847 | static void |
848 | qla82xx_rom_unlock(struct qla_hw_data *ha) | |
849 | { | |
850 | qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); | |
851 | } | |
852 | ||
77e334d2 | 853 | static int |
a9083016 GM |
854 | qla82xx_wait_rom_busy(struct qla_hw_data *ha) |
855 | { | |
856 | long timeout = 0; | |
857 | long done = 0 ; | |
858 | ||
859 | while (done == 0) { | |
860 | done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); | |
861 | done &= 4; | |
862 | timeout++; | |
863 | if (timeout >= rom_max_timeout) { | |
864 | DEBUG(qla_printk(KERN_INFO, ha, | |
865 | "%s: Timeout reached waiting for rom busy", | |
866 | QLA2XXX_DRIVER_NAME)); | |
867 | return -1; | |
868 | } | |
869 | } | |
870 | return 0; | |
871 | } | |
872 | ||
77e334d2 | 873 | static int |
a9083016 GM |
874 | qla82xx_wait_rom_done(struct qla_hw_data *ha) |
875 | { | |
876 | long timeout = 0; | |
877 | long done = 0 ; | |
878 | ||
879 | while (done == 0) { | |
880 | done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); | |
881 | done &= 2; | |
882 | timeout++; | |
883 | if (timeout >= rom_max_timeout) { | |
884 | DEBUG(qla_printk(KERN_INFO, ha, | |
885 | "%s: Timeout reached waiting for rom done", | |
886 | QLA2XXX_DRIVER_NAME)); | |
887 | return -1; | |
888 | } | |
889 | } | |
890 | return 0; | |
891 | } | |
892 | ||
77e334d2 | 893 | static int |
a9083016 GM |
894 | qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) |
895 | { | |
896 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); | |
897 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); | |
898 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); | |
899 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb); | |
900 | qla82xx_wait_rom_busy(ha); | |
901 | if (qla82xx_wait_rom_done(ha)) { | |
902 | qla_printk(KERN_WARNING, ha, | |
903 | "%s: Error waiting for rom done\n", | |
904 | QLA2XXX_DRIVER_NAME); | |
905 | return -1; | |
906 | } | |
907 | /* Reset abyte_cnt and dummy_byte_cnt */ | |
908 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); | |
909 | udelay(10); | |
910 | cond_resched(); | |
911 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); | |
912 | *valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); | |
913 | return 0; | |
914 | } | |
915 | ||
77e334d2 | 916 | static int |
a9083016 GM |
917 | qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) |
918 | { | |
919 | int ret, loops = 0; | |
920 | ||
921 | while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { | |
922 | udelay(100); | |
923 | schedule(); | |
924 | loops++; | |
925 | } | |
926 | if (loops >= 50000) { | |
927 | qla_printk(KERN_INFO, ha, | |
928 | "%s: qla82xx_rom_lock failed\n", | |
929 | QLA2XXX_DRIVER_NAME); | |
930 | return -1; | |
931 | } | |
932 | ret = qla82xx_do_rom_fast_read(ha, addr, valp); | |
d652e093 | 933 | qla82xx_rom_unlock(ha); |
a9083016 GM |
934 | return ret; |
935 | } | |
936 | ||
77e334d2 | 937 | static int |
a9083016 GM |
938 | qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val) |
939 | { | |
940 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR); | |
941 | qla82xx_wait_rom_busy(ha); | |
942 | if (qla82xx_wait_rom_done(ha)) { | |
943 | qla_printk(KERN_WARNING, ha, | |
944 | "Error waiting for rom done\n"); | |
945 | return -1; | |
946 | } | |
947 | *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); | |
948 | return 0; | |
949 | } | |
950 | ||
77e334d2 | 951 | static int |
a9083016 GM |
952 | qla82xx_flash_wait_write_finish(struct qla_hw_data *ha) |
953 | { | |
954 | long timeout = 0; | |
955 | uint32_t done = 1 ; | |
956 | uint32_t val; | |
957 | int ret = 0; | |
958 | ||
959 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); | |
960 | while ((done != 0) && (ret == 0)) { | |
961 | ret = qla82xx_read_status_reg(ha, &val); | |
962 | done = val & 1; | |
963 | timeout++; | |
964 | udelay(10); | |
965 | cond_resched(); | |
966 | if (timeout >= 50000) { | |
967 | qla_printk(KERN_WARNING, ha, | |
968 | "Timeout reached waiting for write finish"); | |
969 | return -1; | |
970 | } | |
971 | } | |
972 | return ret; | |
973 | } | |
974 | ||
77e334d2 | 975 | static int |
a9083016 GM |
976 | qla82xx_flash_set_write_enable(struct qla_hw_data *ha) |
977 | { | |
978 | uint32_t val; | |
979 | qla82xx_wait_rom_busy(ha); | |
980 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); | |
981 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN); | |
982 | qla82xx_wait_rom_busy(ha); | |
983 | if (qla82xx_wait_rom_done(ha)) | |
984 | return -1; | |
985 | if (qla82xx_read_status_reg(ha, &val) != 0) | |
986 | return -1; | |
987 | if ((val & 2) != 2) | |
988 | return -1; | |
989 | return 0; | |
990 | } | |
991 | ||
77e334d2 | 992 | static int |
a9083016 GM |
993 | qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val) |
994 | { | |
995 | if (qla82xx_flash_set_write_enable(ha)) | |
996 | return -1; | |
997 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val); | |
998 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1); | |
999 | if (qla82xx_wait_rom_done(ha)) { | |
1000 | qla_printk(KERN_WARNING, ha, | |
1001 | "Error waiting for rom done\n"); | |
1002 | return -1; | |
1003 | } | |
1004 | return qla82xx_flash_wait_write_finish(ha); | |
1005 | } | |
1006 | ||
77e334d2 | 1007 | static int |
a9083016 GM |
1008 | qla82xx_write_disable_flash(struct qla_hw_data *ha) |
1009 | { | |
1010 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI); | |
1011 | if (qla82xx_wait_rom_done(ha)) { | |
1012 | qla_printk(KERN_WARNING, ha, | |
1013 | "Error waiting for rom done\n"); | |
1014 | return -1; | |
1015 | } | |
1016 | return 0; | |
1017 | } | |
1018 | ||
77e334d2 | 1019 | static int |
a9083016 GM |
1020 | ql82xx_rom_lock_d(struct qla_hw_data *ha) |
1021 | { | |
1022 | int loops = 0; | |
1023 | while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { | |
1024 | udelay(100); | |
1025 | cond_resched(); | |
1026 | loops++; | |
1027 | } | |
1028 | if (loops >= 50000) { | |
1029 | qla_printk(KERN_WARNING, ha, "ROM lock failed\n"); | |
1030 | return -1; | |
1031 | } | |
1032 | return 0;; | |
1033 | } | |
1034 | ||
77e334d2 | 1035 | static int |
a9083016 GM |
1036 | qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr, |
1037 | uint32_t data) | |
1038 | { | |
1039 | int ret = 0; | |
1040 | ||
1041 | ret = ql82xx_rom_lock_d(ha); | |
1042 | if (ret < 0) { | |
1043 | qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); | |
1044 | return ret; | |
1045 | } | |
1046 | ||
1047 | if (qla82xx_flash_set_write_enable(ha)) | |
1048 | goto done_write; | |
1049 | ||
1050 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data); | |
1051 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr); | |
1052 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); | |
1053 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP); | |
1054 | qla82xx_wait_rom_busy(ha); | |
1055 | if (qla82xx_wait_rom_done(ha)) { | |
1056 | qla_printk(KERN_WARNING, ha, | |
1057 | "Error waiting for rom done\n"); | |
1058 | ret = -1; | |
1059 | goto done_write; | |
1060 | } | |
1061 | ||
1062 | ret = qla82xx_flash_wait_write_finish(ha); | |
1063 | ||
1064 | done_write: | |
d652e093 | 1065 | qla82xx_rom_unlock(ha); |
a9083016 GM |
1066 | return ret; |
1067 | } | |
1068 | ||
1069 | /* This routine does CRB initialize sequence | |
1070 | * to put the ISP into operational state | |
1071 | */ | |
77e334d2 GM |
1072 | static int |
1073 | qla82xx_pinit_from_rom(scsi_qla_host_t *vha) | |
a9083016 GM |
1074 | { |
1075 | int addr, val; | |
1076 | int i ; | |
1077 | struct crb_addr_pair *buf; | |
1078 | unsigned long off; | |
1079 | unsigned offset, n; | |
1080 | struct qla_hw_data *ha = vha->hw; | |
1081 | ||
1082 | struct crb_addr_pair { | |
1083 | long addr; | |
1084 | long data; | |
1085 | }; | |
1086 | ||
1087 | /* Halt all the indiviual PEGs and other blocks of the ISP */ | |
1088 | qla82xx_rom_lock(ha); | |
c9e8fd5c | 1089 | |
02be2215 GM |
1090 | /* disable all I2Q */ |
1091 | qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0); | |
1092 | qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0); | |
1093 | qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0); | |
1094 | qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0); | |
1095 | qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0); | |
1096 | qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0); | |
1097 | ||
1098 | /* disable all niu interrupts */ | |
c9e8fd5c MI |
1099 | qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); |
1100 | /* disable xge rx/tx */ | |
1101 | qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); | |
1102 | /* disable xg1 rx/tx */ | |
1103 | qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); | |
02be2215 GM |
1104 | /* disable sideband mac */ |
1105 | qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00); | |
1106 | /* disable ap0 mac */ | |
1107 | qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00); | |
1108 | /* disable ap1 mac */ | |
1109 | qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00); | |
c9e8fd5c MI |
1110 | |
1111 | /* halt sre */ | |
1112 | val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); | |
1113 | qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); | |
1114 | ||
1115 | /* halt epg */ | |
1116 | qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); | |
1117 | ||
1118 | /* halt timers */ | |
1119 | qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); | |
1120 | qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); | |
1121 | qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); | |
1122 | qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); | |
1123 | qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); | |
02be2215 | 1124 | qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0); |
c9e8fd5c MI |
1125 | |
1126 | /* halt pegs */ | |
1127 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); | |
1128 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); | |
1129 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); | |
1130 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); | |
1131 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); | |
02be2215 | 1132 | msleep(20); |
c9e8fd5c MI |
1133 | |
1134 | /* big hammer */ | |
a9083016 GM |
1135 | if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) |
1136 | /* don't reset CAM block on reset */ | |
1137 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); | |
1138 | else | |
1139 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); | |
c9e8fd5c MI |
1140 | |
1141 | /* reset ms */ | |
1142 | val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); | |
1143 | val |= (1 << 1); | |
1144 | qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); | |
1145 | msleep(20); | |
1146 | ||
1147 | /* unreset ms */ | |
1148 | val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); | |
1149 | val &= ~(1 << 1); | |
1150 | qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); | |
1151 | msleep(20); | |
1152 | ||
d652e093 | 1153 | qla82xx_rom_unlock(ha); |
a9083016 GM |
1154 | |
1155 | /* Read the signature value from the flash. | |
1156 | * Offset 0: Contain signature (0xcafecafe) | |
1157 | * Offset 4: Offset and number of addr/value pairs | |
1158 | * that present in CRB initialize sequence | |
1159 | */ | |
1160 | if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL || | |
1161 | qla82xx_rom_fast_read(ha, 4, &n) != 0) { | |
1162 | qla_printk(KERN_WARNING, ha, | |
1163 | "[ERROR] Reading crb_init area: n: %08x\n", n); | |
1164 | return -1; | |
1165 | } | |
1166 | ||
1167 | /* Offset in flash = lower 16 bits | |
1168 | * Number of enteries = upper 16 bits | |
1169 | */ | |
1170 | offset = n & 0xffffU; | |
1171 | n = (n >> 16) & 0xffffU; | |
1172 | ||
1173 | /* number of addr/value pair should not exceed 1024 enteries */ | |
1174 | if (n >= 1024) { | |
1175 | qla_printk(KERN_WARNING, ha, | |
1176 | "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n", | |
1177 | QLA2XXX_DRIVER_NAME, __func__, n); | |
1178 | return -1; | |
1179 | } | |
1180 | ||
1181 | qla_printk(KERN_INFO, ha, | |
1182 | "%s: %d CRB init values found in ROM.\n", QLA2XXX_DRIVER_NAME, n); | |
1183 | ||
1184 | buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL); | |
1185 | if (buf == NULL) { | |
1186 | qla_printk(KERN_WARNING, ha, | |
1187 | "%s: [ERROR] Unable to malloc memory.\n", | |
1188 | QLA2XXX_DRIVER_NAME); | |
1189 | return -1; | |
1190 | } | |
1191 | ||
1192 | for (i = 0; i < n; i++) { | |
1193 | if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 || | |
1194 | qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) { | |
1195 | kfree(buf); | |
1196 | return -1; | |
1197 | } | |
1198 | ||
1199 | buf[i].addr = addr; | |
1200 | buf[i].data = val; | |
1201 | } | |
1202 | ||
1203 | for (i = 0; i < n; i++) { | |
1204 | /* Translate internal CRB initialization | |
1205 | * address to PCI bus address | |
1206 | */ | |
1207 | off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) + | |
1208 | QLA82XX_PCI_CRBSPACE; | |
1209 | /* Not all CRB addr/value pair to be written, | |
1210 | * some of them are skipped | |
1211 | */ | |
1212 | ||
1213 | /* skipping cold reboot MAGIC */ | |
1214 | if (off == QLA82XX_CAM_RAM(0x1fc)) | |
1215 | continue; | |
1216 | ||
1217 | /* do not reset PCI */ | |
1218 | if (off == (ROMUSB_GLB + 0xbc)) | |
1219 | continue; | |
1220 | ||
1221 | /* skip core clock, so that firmware can increase the clock */ | |
1222 | if (off == (ROMUSB_GLB + 0xc8)) | |
1223 | continue; | |
1224 | ||
1225 | /* skip the function enable register */ | |
1226 | if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION)) | |
1227 | continue; | |
1228 | ||
1229 | if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2)) | |
1230 | continue; | |
1231 | ||
1232 | if ((off & 0x0ff00000) == QLA82XX_CRB_SMB) | |
1233 | continue; | |
1234 | ||
1235 | if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET) | |
1236 | continue; | |
1237 | ||
1238 | if (off == ADDR_ERROR) { | |
1239 | qla_printk(KERN_WARNING, ha, | |
1240 | "%s: [ERROR] Unknown addr: 0x%08lx\n", | |
1241 | QLA2XXX_DRIVER_NAME, buf[i].addr); | |
1242 | continue; | |
1243 | } | |
1244 | ||
a9083016 GM |
1245 | qla82xx_wr_32(ha, off, buf[i].data); |
1246 | ||
1247 | /* ISP requires much bigger delay to settle down, | |
1248 | * else crb_window returns 0xffffffff | |
1249 | */ | |
1250 | if (off == QLA82XX_ROMUSB_GLB_SW_RESET) | |
1251 | msleep(1000); | |
1252 | ||
1253 | /* ISP requires millisec delay between | |
1254 | * successive CRB register updation | |
1255 | */ | |
1256 | msleep(1); | |
1257 | } | |
1258 | ||
1259 | kfree(buf); | |
1260 | ||
1261 | /* Resetting the data and instruction cache */ | |
1262 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e); | |
1263 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8); | |
1264 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8); | |
1265 | ||
1266 | /* Clear all protocol processing engines */ | |
1267 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0); | |
1268 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0); | |
1269 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0); | |
1270 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0); | |
1271 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0); | |
1272 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0); | |
1273 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0); | |
1274 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0); | |
1275 | return 0; | |
1276 | } | |
1277 | ||
77e334d2 GM |
1278 | static int |
1279 | qla82xx_pci_mem_write_2M(struct qla_hw_data *ha, | |
1280 | u64 off, void *data, int size) | |
1281 | { | |
1282 | int i, j, ret = 0, loop, sz[2], off0; | |
1283 | int scale, shift_amount, startword; | |
1284 | uint32_t temp; | |
1285 | uint64_t off8, mem_crb, tmpw, word[2] = {0, 0}; | |
1286 | ||
1287 | /* | |
1288 | * If not MN, go check for MS or invalid. | |
1289 | */ | |
1290 | if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) | |
1291 | mem_crb = QLA82XX_CRB_QDR_NET; | |
1292 | else { | |
1293 | mem_crb = QLA82XX_CRB_DDR_NET; | |
1294 | if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) | |
1295 | return qla82xx_pci_mem_write_direct(ha, | |
1296 | off, data, size); | |
1297 | } | |
1298 | ||
1299 | off0 = off & 0x7; | |
1300 | sz[0] = (size < (8 - off0)) ? size : (8 - off0); | |
1301 | sz[1] = size - sz[0]; | |
1302 | ||
1303 | off8 = off & 0xfffffff0; | |
1304 | loop = (((off & 0xf) + size - 1) >> 4) + 1; | |
1305 | shift_amount = 4; | |
1306 | scale = 2; | |
1307 | startword = (off & 0xf)/8; | |
1308 | ||
1309 | for (i = 0; i < loop; i++) { | |
1310 | if (qla82xx_pci_mem_read_2M(ha, off8 + | |
1311 | (i << shift_amount), &word[i * scale], 8)) | |
1312 | return -1; | |
1313 | } | |
1314 | ||
1315 | switch (size) { | |
1316 | case 1: | |
1317 | tmpw = *((uint8_t *)data); | |
1318 | break; | |
1319 | case 2: | |
1320 | tmpw = *((uint16_t *)data); | |
1321 | break; | |
1322 | case 4: | |
1323 | tmpw = *((uint32_t *)data); | |
1324 | break; | |
1325 | case 8: | |
1326 | default: | |
1327 | tmpw = *((uint64_t *)data); | |
1328 | break; | |
1329 | } | |
1330 | ||
1331 | if (sz[0] == 8) { | |
1332 | word[startword] = tmpw; | |
1333 | } else { | |
1334 | word[startword] &= | |
1335 | ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); | |
1336 | word[startword] |= tmpw << (off0 * 8); | |
1337 | } | |
1338 | if (sz[1] != 0) { | |
1339 | word[startword+1] &= ~(~0ULL << (sz[1] * 8)); | |
1340 | word[startword+1] |= tmpw >> (sz[0] * 8); | |
1341 | } | |
1342 | ||
77e334d2 GM |
1343 | for (i = 0; i < loop; i++) { |
1344 | temp = off8 + (i << shift_amount); | |
1345 | qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp); | |
1346 | temp = 0; | |
1347 | qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp); | |
1348 | temp = word[i * scale] & 0xffffffff; | |
1349 | qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp); | |
1350 | temp = (word[i * scale] >> 32) & 0xffffffff; | |
1351 | qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp); | |
1352 | temp = word[i*scale + 1] & 0xffffffff; | |
1353 | qla82xx_wr_32(ha, mem_crb + | |
1354 | MIU_TEST_AGT_WRDATA_UPPER_LO, temp); | |
1355 | temp = (word[i*scale + 1] >> 32) & 0xffffffff; | |
1356 | qla82xx_wr_32(ha, mem_crb + | |
1357 | MIU_TEST_AGT_WRDATA_UPPER_HI, temp); | |
1358 | ||
1359 | temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; | |
1360 | qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); | |
1361 | temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; | |
1362 | qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); | |
1363 | ||
1364 | for (j = 0; j < MAX_CTL_CHECK; j++) { | |
1365 | temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); | |
1366 | if ((temp & MIU_TA_CTL_BUSY) == 0) | |
1367 | break; | |
1368 | } | |
1369 | ||
1370 | if (j >= MAX_CTL_CHECK) { | |
1371 | if (printk_ratelimit()) | |
1372 | dev_err(&ha->pdev->dev, | |
1373 | "failed to write through agent\n"); | |
1374 | ret = -1; | |
1375 | break; | |
1376 | } | |
1377 | } | |
1378 | ||
1379 | return ret; | |
1380 | } | |
1381 | ||
1382 | static int | |
a9083016 GM |
1383 | qla82xx_fw_load_from_flash(struct qla_hw_data *ha) |
1384 | { | |
1385 | int i; | |
1386 | long size = 0; | |
9c2b2975 HZ |
1387 | long flashaddr = ha->flt_region_bootload << 2; |
1388 | long memaddr = BOOTLD_START; | |
a9083016 GM |
1389 | u64 data; |
1390 | u32 high, low; | |
1391 | size = (IMAGE_START - BOOTLD_START) / 8; | |
1392 | ||
1393 | for (i = 0; i < size; i++) { | |
1394 | if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) || | |
1395 | (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) { | |
1396 | return -1; | |
1397 | } | |
1398 | data = ((u64)high << 32) | low ; | |
1399 | qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8); | |
1400 | flashaddr += 8; | |
1401 | memaddr += 8; | |
1402 | ||
1403 | if (i % 0x1000 == 0) | |
1404 | msleep(1); | |
1405 | } | |
1406 | udelay(100); | |
1407 | read_lock(&ha->hw_lock); | |
3711333d GM |
1408 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); |
1409 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); | |
a9083016 GM |
1410 | read_unlock(&ha->hw_lock); |
1411 | return 0; | |
1412 | } | |
1413 | ||
1414 | int | |
1415 | qla82xx_pci_mem_read_2M(struct qla_hw_data *ha, | |
1416 | u64 off, void *data, int size) | |
1417 | { | |
1418 | int i, j = 0, k, start, end, loop, sz[2], off0[2]; | |
1419 | int shift_amount; | |
1420 | uint32_t temp; | |
1421 | uint64_t off8, val, mem_crb, word[2] = {0, 0}; | |
1422 | ||
1423 | /* | |
1424 | * If not MN, go check for MS or invalid. | |
1425 | */ | |
1426 | ||
1427 | if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) | |
1428 | mem_crb = QLA82XX_CRB_QDR_NET; | |
1429 | else { | |
1430 | mem_crb = QLA82XX_CRB_DDR_NET; | |
1431 | if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) | |
1432 | return qla82xx_pci_mem_read_direct(ha, | |
1433 | off, data, size); | |
1434 | } | |
1435 | ||
3711333d GM |
1436 | off8 = off & 0xfffffff0; |
1437 | off0[0] = off & 0xf; | |
1438 | sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]); | |
1439 | shift_amount = 4; | |
a9083016 GM |
1440 | loop = ((off0[0] + size - 1) >> shift_amount) + 1; |
1441 | off0[1] = 0; | |
1442 | sz[1] = size - sz[0]; | |
1443 | ||
a9083016 GM |
1444 | for (i = 0; i < loop; i++) { |
1445 | temp = off8 + (i << shift_amount); | |
1446 | qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp); | |
1447 | temp = 0; | |
1448 | qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp); | |
1449 | temp = MIU_TA_CTL_ENABLE; | |
1450 | qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); | |
1451 | temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; | |
1452 | qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); | |
1453 | ||
1454 | for (j = 0; j < MAX_CTL_CHECK; j++) { | |
1455 | temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); | |
1456 | if ((temp & MIU_TA_CTL_BUSY) == 0) | |
1457 | break; | |
1458 | } | |
1459 | ||
1460 | if (j >= MAX_CTL_CHECK) { | |
1461 | if (printk_ratelimit()) | |
1462 | dev_err(&ha->pdev->dev, | |
1463 | "failed to read through agent\n"); | |
1464 | break; | |
1465 | } | |
1466 | ||
1467 | start = off0[i] >> 2; | |
1468 | end = (off0[i] + sz[i] - 1) >> 2; | |
1469 | for (k = start; k <= end; k++) { | |
1470 | temp = qla82xx_rd_32(ha, | |
1471 | mem_crb + MIU_TEST_AGT_RDDATA(k)); | |
1472 | word[i] |= ((uint64_t)temp << (32 * (k & 1))); | |
1473 | } | |
1474 | } | |
1475 | ||
a9083016 GM |
1476 | if (j >= MAX_CTL_CHECK) |
1477 | return -1; | |
1478 | ||
1479 | if ((off0[0] & 7) == 0) { | |
1480 | val = word[0]; | |
1481 | } else { | |
1482 | val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | | |
1483 | ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); | |
1484 | } | |
1485 | ||
1486 | switch (size) { | |
1487 | case 1: | |
1488 | *(uint8_t *)data = val; | |
1489 | break; | |
1490 | case 2: | |
1491 | *(uint16_t *)data = val; | |
1492 | break; | |
1493 | case 4: | |
1494 | *(uint32_t *)data = val; | |
1495 | break; | |
1496 | case 8: | |
1497 | *(uint64_t *)data = val; | |
1498 | break; | |
1499 | } | |
1500 | return 0; | |
1501 | } | |
1502 | ||
a9083016 | 1503 | |
9c2b2975 HZ |
1504 | static struct qla82xx_uri_table_desc * |
1505 | qla82xx_get_table_desc(const u8 *unirom, int section) | |
1506 | { | |
1507 | uint32_t i; | |
1508 | struct qla82xx_uri_table_desc *directory = | |
1509 | (struct qla82xx_uri_table_desc *)&unirom[0]; | |
1510 | __le32 offset; | |
1511 | __le32 tab_type; | |
1512 | __le32 entries = cpu_to_le32(directory->num_entries); | |
1513 | ||
1514 | for (i = 0; i < entries; i++) { | |
1515 | offset = cpu_to_le32(directory->findex) + | |
1516 | (i * cpu_to_le32(directory->entry_size)); | |
1517 | tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8)); | |
1518 | ||
1519 | if (tab_type == section) | |
1520 | return (struct qla82xx_uri_table_desc *)&unirom[offset]; | |
1521 | } | |
1522 | ||
1523 | return NULL; | |
1524 | } | |
1525 | ||
1526 | static struct qla82xx_uri_data_desc * | |
1527 | qla82xx_get_data_desc(struct qla_hw_data *ha, | |
1528 | u32 section, u32 idx_offset) | |
1529 | { | |
1530 | const u8 *unirom = ha->hablob->fw->data; | |
1531 | int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset)); | |
1532 | struct qla82xx_uri_table_desc *tab_desc = NULL; | |
1533 | __le32 offset; | |
1534 | ||
1535 | tab_desc = qla82xx_get_table_desc(unirom, section); | |
1536 | if (!tab_desc) | |
1537 | return NULL; | |
1538 | ||
1539 | offset = cpu_to_le32(tab_desc->findex) + | |
1540 | (cpu_to_le32(tab_desc->entry_size) * idx); | |
1541 | ||
1542 | return (struct qla82xx_uri_data_desc *)&unirom[offset]; | |
1543 | } | |
1544 | ||
1545 | static u8 * | |
1546 | qla82xx_get_bootld_offset(struct qla_hw_data *ha) | |
1547 | { | |
1548 | u32 offset = BOOTLD_START; | |
1549 | struct qla82xx_uri_data_desc *uri_desc = NULL; | |
1550 | ||
1551 | if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { | |
1552 | uri_desc = qla82xx_get_data_desc(ha, | |
1553 | QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF); | |
1554 | if (uri_desc) | |
1555 | offset = cpu_to_le32(uri_desc->findex); | |
1556 | } | |
1557 | ||
1558 | return (u8 *)&ha->hablob->fw->data[offset]; | |
1559 | } | |
1560 | ||
1561 | static __le32 | |
1562 | qla82xx_get_fw_size(struct qla_hw_data *ha) | |
1563 | { | |
1564 | struct qla82xx_uri_data_desc *uri_desc = NULL; | |
1565 | ||
1566 | if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { | |
1567 | uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, | |
1568 | QLA82XX_URI_FIRMWARE_IDX_OFF); | |
1569 | if (uri_desc) | |
1570 | return cpu_to_le32(uri_desc->size); | |
1571 | } | |
1572 | ||
1573 | return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]); | |
1574 | } | |
1575 | ||
1576 | static u8 * | |
1577 | qla82xx_get_fw_offs(struct qla_hw_data *ha) | |
1578 | { | |
1579 | u32 offset = IMAGE_START; | |
1580 | struct qla82xx_uri_data_desc *uri_desc = NULL; | |
1581 | ||
1582 | if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { | |
1583 | uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, | |
1584 | QLA82XX_URI_FIRMWARE_IDX_OFF); | |
1585 | if (uri_desc) | |
1586 | offset = cpu_to_le32(uri_desc->findex); | |
1587 | } | |
1588 | ||
1589 | return (u8 *)&ha->hablob->fw->data[offset]; | |
1590 | } | |
1591 | ||
a9083016 GM |
1592 | /* PCI related functions */ |
1593 | char * | |
1594 | qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str) | |
1595 | { | |
1596 | int pcie_reg; | |
1597 | struct qla_hw_data *ha = vha->hw; | |
1598 | char lwstr[6]; | |
1599 | uint16_t lnk; | |
1600 | ||
1601 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
1602 | pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk); | |
1603 | ha->link_width = (lnk >> 4) & 0x3f; | |
1604 | ||
1605 | strcpy(str, "PCIe ("); | |
1606 | strcat(str, "2.5Gb/s "); | |
1607 | snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width); | |
1608 | strcat(str, lwstr); | |
1609 | return str; | |
1610 | } | |
1611 | ||
1612 | int qla82xx_pci_region_offset(struct pci_dev *pdev, int region) | |
1613 | { | |
1614 | unsigned long val = 0; | |
1615 | u32 control; | |
1616 | ||
1617 | switch (region) { | |
1618 | case 0: | |
1619 | val = 0; | |
1620 | break; | |
1621 | case 1: | |
1622 | pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control); | |
1623 | val = control + QLA82XX_MSIX_TBL_SPACE; | |
1624 | break; | |
1625 | } | |
1626 | return val; | |
1627 | } | |
1628 | ||
a9083016 GM |
1629 | |
1630 | int | |
1631 | qla82xx_iospace_config(struct qla_hw_data *ha) | |
1632 | { | |
1633 | uint32_t len = 0; | |
1634 | ||
1635 | if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { | |
1636 | qla_printk(KERN_WARNING, ha, | |
1637 | "Failed to reserve selected regions (%s)\n", | |
1638 | pci_name(ha->pdev)); | |
1639 | goto iospace_error_exit; | |
1640 | } | |
1641 | ||
1642 | /* Use MMIO operations for all accesses. */ | |
1643 | if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { | |
1644 | qla_printk(KERN_ERR, ha, | |
1645 | "region #0 not an MMIO resource (%s), aborting\n", | |
1646 | pci_name(ha->pdev)); | |
1647 | goto iospace_error_exit; | |
1648 | } | |
1649 | ||
1650 | len = pci_resource_len(ha->pdev, 0); | |
1651 | ha->nx_pcibase = | |
1652 | (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len); | |
1653 | if (!ha->nx_pcibase) { | |
1654 | qla_printk(KERN_ERR, ha, | |
1655 | "cannot remap pcibase MMIO (%s), aborting\n", | |
1656 | pci_name(ha->pdev)); | |
1657 | pci_release_regions(ha->pdev); | |
1658 | goto iospace_error_exit; | |
1659 | } | |
1660 | ||
1661 | /* Mapping of IO base pointer */ | |
1662 | ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase + | |
1663 | 0xbc000 + (ha->pdev->devfn << 11)); | |
1664 | ||
1665 | if (!ql2xdbwr) { | |
1666 | ha->nxdb_wr_ptr = | |
1667 | (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) + | |
1668 | (ha->pdev->devfn << 12)), 4); | |
1669 | if (!ha->nxdb_wr_ptr) { | |
1670 | qla_printk(KERN_ERR, ha, | |
1671 | "cannot remap MMIO (%s), aborting\n", | |
1672 | pci_name(ha->pdev)); | |
1673 | pci_release_regions(ha->pdev); | |
1674 | goto iospace_error_exit; | |
1675 | } | |
1676 | ||
1677 | /* Mapping of IO base pointer, | |
1678 | * door bell read and write pointer | |
1679 | */ | |
1680 | ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) + | |
1681 | (ha->pdev->devfn * 8); | |
1682 | } else { | |
1683 | ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ? | |
1684 | QLA82XX_CAMRAM_DB1 : | |
1685 | QLA82XX_CAMRAM_DB2); | |
1686 | } | |
1687 | ||
1688 | ha->max_req_queues = ha->max_rsp_queues = 1; | |
1689 | ha->msix_count = ha->max_rsp_queues + 1; | |
1690 | return 0; | |
1691 | ||
1692 | iospace_error_exit: | |
1693 | return -ENOMEM; | |
1694 | } | |
1695 | ||
1696 | /* GS related functions */ | |
1697 | ||
1698 | /* Initialization related functions */ | |
1699 | ||
1700 | /** | |
1701 | * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers. | |
1702 | * @ha: HA context | |
1703 | * | |
1704 | * Returns 0 on success. | |
1705 | */ | |
1706 | int | |
1707 | qla82xx_pci_config(scsi_qla_host_t *vha) | |
1708 | { | |
1709 | struct qla_hw_data *ha = vha->hw; | |
1710 | int ret; | |
1711 | ||
1712 | pci_set_master(ha->pdev); | |
1713 | ret = pci_set_mwi(ha->pdev); | |
1714 | ha->chip_revision = ha->pdev->revision; | |
1715 | return 0; | |
1716 | } | |
1717 | ||
1718 | /** | |
1719 | * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers. | |
1720 | * @ha: HA context | |
1721 | * | |
1722 | * Returns 0 on success. | |
1723 | */ | |
1724 | void | |
1725 | qla82xx_reset_chip(scsi_qla_host_t *vha) | |
1726 | { | |
1727 | struct qla_hw_data *ha = vha->hw; | |
1728 | ha->isp_ops->disable_intrs(ha); | |
1729 | } | |
1730 | ||
1731 | void qla82xx_config_rings(struct scsi_qla_host *vha) | |
1732 | { | |
1733 | struct qla_hw_data *ha = vha->hw; | |
1734 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
1735 | struct init_cb_81xx *icb; | |
1736 | struct req_que *req = ha->req_q_map[0]; | |
1737 | struct rsp_que *rsp = ha->rsp_q_map[0]; | |
1738 | ||
1739 | /* Setup ring parameters in initialization control block. */ | |
1740 | icb = (struct init_cb_81xx *)ha->init_cb; | |
1741 | icb->request_q_outpointer = __constant_cpu_to_le16(0); | |
1742 | icb->response_q_inpointer = __constant_cpu_to_le16(0); | |
1743 | icb->request_q_length = cpu_to_le16(req->length); | |
1744 | icb->response_q_length = cpu_to_le16(rsp->length); | |
1745 | icb->request_q_address[0] = cpu_to_le32(LSD(req->dma)); | |
1746 | icb->request_q_address[1] = cpu_to_le32(MSD(req->dma)); | |
1747 | icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma)); | |
1748 | icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma)); | |
1749 | ||
a9083016 GM |
1750 | WRT_REG_DWORD((unsigned long __iomem *)®->req_q_out[0], 0); |
1751 | WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_in[0], 0); | |
1752 | WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_out[0], 0); | |
1753 | } | |
1754 | ||
f1af6208 GM |
1755 | void qla82xx_reset_adapter(struct scsi_qla_host *vha) |
1756 | { | |
1757 | struct qla_hw_data *ha = vha->hw; | |
1758 | vha->flags.online = 0; | |
1759 | qla2x00_try_to_stop_firmware(vha); | |
1760 | ha->isp_ops->disable_intrs(ha); | |
1761 | } | |
1762 | ||
77e334d2 GM |
1763 | static int |
1764 | qla82xx_fw_load_from_blob(struct qla_hw_data *ha) | |
a9083016 GM |
1765 | { |
1766 | u64 *ptr64; | |
1767 | u32 i, flashaddr, size; | |
1768 | __le64 data; | |
1769 | ||
1770 | size = (IMAGE_START - BOOTLD_START) / 8; | |
1771 | ||
9c2b2975 | 1772 | ptr64 = (u64 *)qla82xx_get_bootld_offset(ha); |
a9083016 GM |
1773 | flashaddr = BOOTLD_START; |
1774 | ||
1775 | for (i = 0; i < size; i++) { | |
1776 | data = cpu_to_le64(ptr64[i]); | |
9c2b2975 HZ |
1777 | if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) |
1778 | return -EIO; | |
a9083016 GM |
1779 | flashaddr += 8; |
1780 | } | |
1781 | ||
a9083016 | 1782 | flashaddr = FLASH_ADDR_START; |
9c2b2975 HZ |
1783 | size = (__force u32)qla82xx_get_fw_size(ha) / 8; |
1784 | ptr64 = (u64 *)qla82xx_get_fw_offs(ha); | |
a9083016 GM |
1785 | |
1786 | for (i = 0; i < size; i++) { | |
1787 | data = cpu_to_le64(ptr64[i]); | |
1788 | ||
1789 | if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) | |
1790 | return -EIO; | |
1791 | flashaddr += 8; | |
1792 | } | |
9c2b2975 | 1793 | udelay(100); |
a9083016 GM |
1794 | |
1795 | /* Write a magic value to CAMRAM register | |
1796 | * at a specified offset to indicate | |
1797 | * that all data is written and | |
1798 | * ready for firmware to initialize. | |
1799 | */ | |
9c2b2975 | 1800 | qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC); |
a9083016 | 1801 | |
9c2b2975 | 1802 | read_lock(&ha->hw_lock); |
3711333d GM |
1803 | qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); |
1804 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); | |
9c2b2975 HZ |
1805 | read_unlock(&ha->hw_lock); |
1806 | return 0; | |
1807 | } | |
1808 | ||
1809 | static int | |
1810 | qla82xx_set_product_offset(struct qla_hw_data *ha) | |
1811 | { | |
1812 | struct qla82xx_uri_table_desc *ptab_desc = NULL; | |
1813 | const uint8_t *unirom = ha->hablob->fw->data; | |
1814 | uint32_t i; | |
1815 | __le32 entries; | |
1816 | __le32 flags, file_chiprev, offset; | |
1817 | uint8_t chiprev = ha->chip_revision; | |
1818 | /* Hardcoding mn_present flag for P3P */ | |
1819 | int mn_present = 0; | |
1820 | uint32_t flagbit; | |
1821 | ||
1822 | ptab_desc = qla82xx_get_table_desc(unirom, | |
1823 | QLA82XX_URI_DIR_SECT_PRODUCT_TBL); | |
1824 | if (!ptab_desc) | |
1825 | return -1; | |
1826 | ||
1827 | entries = cpu_to_le32(ptab_desc->num_entries); | |
1828 | ||
1829 | for (i = 0; i < entries; i++) { | |
1830 | offset = cpu_to_le32(ptab_desc->findex) + | |
1831 | (i * cpu_to_le32(ptab_desc->entry_size)); | |
1832 | flags = cpu_to_le32(*((int *)&unirom[offset] + | |
1833 | QLA82XX_URI_FLAGS_OFF)); | |
1834 | file_chiprev = cpu_to_le32(*((int *)&unirom[offset] + | |
1835 | QLA82XX_URI_CHIP_REV_OFF)); | |
1836 | ||
1837 | flagbit = mn_present ? 1 : 2; | |
1838 | ||
1839 | if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) { | |
1840 | ha->file_prd_off = offset; | |
1841 | return 0; | |
1842 | } | |
1843 | } | |
1844 | return -1; | |
1845 | } | |
1846 | ||
1847 | int | |
1848 | qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type) | |
1849 | { | |
1850 | __le32 val; | |
1851 | uint32_t min_size; | |
1852 | struct qla_hw_data *ha = vha->hw; | |
1853 | const struct firmware *fw = ha->hablob->fw; | |
1854 | ||
1855 | ha->fw_type = fw_type; | |
1856 | ||
1857 | if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) { | |
1858 | if (qla82xx_set_product_offset(ha)) | |
1859 | return -EINVAL; | |
1860 | ||
1861 | min_size = QLA82XX_URI_FW_MIN_SIZE; | |
1862 | } else { | |
1863 | val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]); | |
1864 | if ((__force u32)val != QLA82XX_BDINFO_MAGIC) | |
1865 | return -EINVAL; | |
1866 | ||
1867 | min_size = QLA82XX_FW_MIN_SIZE; | |
1868 | } | |
1869 | ||
1870 | if (fw->size < min_size) | |
1871 | return -EINVAL; | |
a9083016 GM |
1872 | return 0; |
1873 | } | |
1874 | ||
77e334d2 GM |
1875 | static int |
1876 | qla82xx_check_cmdpeg_state(struct qla_hw_data *ha) | |
a9083016 GM |
1877 | { |
1878 | u32 val = 0; | |
1879 | int retries = 60; | |
1880 | ||
1881 | do { | |
1882 | read_lock(&ha->hw_lock); | |
1883 | val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE); | |
1884 | read_unlock(&ha->hw_lock); | |
1885 | ||
1886 | switch (val) { | |
1887 | case PHAN_INITIALIZE_COMPLETE: | |
1888 | case PHAN_INITIALIZE_ACK: | |
1889 | return QLA_SUCCESS; | |
1890 | case PHAN_INITIALIZE_FAILED: | |
1891 | break; | |
1892 | default: | |
1893 | break; | |
1894 | } | |
1895 | qla_printk(KERN_WARNING, ha, | |
1896 | "CRB_CMDPEG_STATE: 0x%x and retries: 0x%x\n", | |
1897 | val, retries); | |
1898 | ||
1899 | msleep(500); | |
1900 | ||
1901 | } while (--retries); | |
1902 | ||
1903 | qla_printk(KERN_INFO, ha, | |
1904 | "Cmd Peg initialization failed: 0x%x.\n", val); | |
1905 | ||
a9083016 GM |
1906 | val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); |
1907 | read_lock(&ha->hw_lock); | |
1908 | qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); | |
1909 | read_unlock(&ha->hw_lock); | |
1910 | return QLA_FUNCTION_FAILED; | |
1911 | } | |
1912 | ||
77e334d2 GM |
1913 | static int |
1914 | qla82xx_check_rcvpeg_state(struct qla_hw_data *ha) | |
a9083016 GM |
1915 | { |
1916 | u32 val = 0; | |
1917 | int retries = 60; | |
1918 | ||
1919 | do { | |
1920 | read_lock(&ha->hw_lock); | |
1921 | val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE); | |
1922 | read_unlock(&ha->hw_lock); | |
1923 | ||
1924 | switch (val) { | |
1925 | case PHAN_INITIALIZE_COMPLETE: | |
1926 | case PHAN_INITIALIZE_ACK: | |
1927 | return QLA_SUCCESS; | |
1928 | case PHAN_INITIALIZE_FAILED: | |
1929 | break; | |
1930 | default: | |
1931 | break; | |
1932 | } | |
1933 | ||
1934 | qla_printk(KERN_WARNING, ha, | |
1935 | "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x\n", | |
1936 | val, retries); | |
1937 | ||
1938 | msleep(500); | |
1939 | ||
1940 | } while (--retries); | |
1941 | ||
1942 | qla_printk(KERN_INFO, ha, | |
1943 | "Rcv Peg initialization failed: 0x%x.\n", val); | |
1944 | read_lock(&ha->hw_lock); | |
1945 | qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED); | |
1946 | read_unlock(&ha->hw_lock); | |
1947 | return QLA_FUNCTION_FAILED; | |
1948 | } | |
1949 | ||
1950 | /* ISR related functions */ | |
1951 | uint32_t qla82xx_isr_int_target_mask_enable[8] = { | |
1952 | ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1, | |
1953 | ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3, | |
1954 | ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5, | |
1955 | ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7 | |
1956 | }; | |
1957 | ||
1958 | uint32_t qla82xx_isr_int_target_status[8] = { | |
1959 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, | |
1960 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, | |
1961 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
1962 | ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7 | |
1963 | }; | |
1964 | ||
1965 | static struct qla82xx_legacy_intr_set legacy_intr[] = \ | |
1966 | QLA82XX_LEGACY_INTR_CONFIG; | |
1967 | ||
1968 | /* | |
1969 | * qla82xx_mbx_completion() - Process mailbox command completions. | |
1970 | * @ha: SCSI driver HA context | |
1971 | * @mb0: Mailbox0 register | |
1972 | */ | |
77e334d2 | 1973 | static void |
a9083016 GM |
1974 | qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
1975 | { | |
1976 | uint16_t cnt; | |
1977 | uint16_t __iomem *wptr; | |
1978 | struct qla_hw_data *ha = vha->hw; | |
1979 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; | |
1980 | wptr = (uint16_t __iomem *)®->mailbox_out[1]; | |
1981 | ||
1982 | /* Load return mailbox registers. */ | |
1983 | ha->flags.mbox_int = 1; | |
1984 | ha->mailbox_out[0] = mb0; | |
1985 | ||
1986 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { | |
1987 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); | |
1988 | wptr++; | |
1989 | } | |
1990 | ||
1991 | if (ha->mcp) { | |
1992 | DEBUG3_11(printk(KERN_INFO "%s(%ld): " | |
1993 | "Got mailbox completion. cmd=%x.\n", | |
1994 | __func__, vha->host_no, ha->mcp->mb[0])); | |
1995 | } else { | |
1996 | qla_printk(KERN_INFO, ha, | |
1997 | "%s(%ld): MBX pointer ERROR!\n", | |
1998 | __func__, vha->host_no); | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | /* | |
2003 | * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. | |
2004 | * @irq: | |
2005 | * @dev_id: SCSI driver HA context | |
2006 | * @regs: | |
2007 | * | |
2008 | * Called by system whenever the host adapter generates an interrupt. | |
2009 | * | |
2010 | * Returns handled flag. | |
2011 | */ | |
2012 | irqreturn_t | |
2013 | qla82xx_intr_handler(int irq, void *dev_id) | |
2014 | { | |
2015 | scsi_qla_host_t *vha; | |
2016 | struct qla_hw_data *ha; | |
2017 | struct rsp_que *rsp; | |
2018 | struct device_reg_82xx __iomem *reg; | |
2019 | int status = 0, status1 = 0; | |
2020 | unsigned long flags; | |
2021 | unsigned long iter; | |
2022 | uint32_t stat; | |
2023 | uint16_t mb[4]; | |
2024 | ||
2025 | rsp = (struct rsp_que *) dev_id; | |
2026 | if (!rsp) { | |
2027 | printk(KERN_INFO | |
2028 | "%s(): NULL response queue pointer\n", __func__); | |
2029 | return IRQ_NONE; | |
2030 | } | |
2031 | ha = rsp->hw; | |
2032 | ||
2033 | if (!ha->flags.msi_enabled) { | |
2034 | status = qla82xx_rd_32(ha, ISR_INT_VECTOR); | |
2035 | if (!(status & ha->nx_legacy_intr.int_vec_bit)) | |
2036 | return IRQ_NONE; | |
2037 | ||
2038 | status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG); | |
2039 | if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1)) | |
2040 | return IRQ_NONE; | |
2041 | } | |
2042 | ||
2043 | /* clear the interrupt */ | |
2044 | qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff); | |
2045 | ||
2046 | /* read twice to ensure write is flushed */ | |
2047 | qla82xx_rd_32(ha, ISR_INT_VECTOR); | |
2048 | qla82xx_rd_32(ha, ISR_INT_VECTOR); | |
2049 | ||
2050 | reg = &ha->iobase->isp82; | |
2051 | ||
2052 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2053 | vha = pci_get_drvdata(ha->pdev); | |
2054 | for (iter = 1; iter--; ) { | |
2055 | ||
2056 | if (RD_REG_DWORD(®->host_int)) { | |
2057 | stat = RD_REG_DWORD(®->host_status); | |
a9083016 GM |
2058 | |
2059 | switch (stat & 0xff) { | |
2060 | case 0x1: | |
2061 | case 0x2: | |
2062 | case 0x10: | |
2063 | case 0x11: | |
2064 | qla82xx_mbx_completion(vha, MSW(stat)); | |
2065 | status |= MBX_INTERRUPT; | |
2066 | break; | |
2067 | case 0x12: | |
2068 | mb[0] = MSW(stat); | |
2069 | mb[1] = RD_REG_WORD(®->mailbox_out[1]); | |
2070 | mb[2] = RD_REG_WORD(®->mailbox_out[2]); | |
2071 | mb[3] = RD_REG_WORD(®->mailbox_out[3]); | |
2072 | qla2x00_async_event(vha, rsp, mb); | |
2073 | break; | |
2074 | case 0x13: | |
2075 | qla24xx_process_response_queue(vha, rsp); | |
2076 | break; | |
2077 | default: | |
2078 | DEBUG2(printk("scsi(%ld): " | |
2079 | " Unrecognized interrupt type (%d).\n", | |
2080 | vha->host_no, stat & 0xff)); | |
2081 | break; | |
2082 | } | |
2083 | } | |
2084 | WRT_REG_DWORD(®->host_int, 0); | |
2085 | } | |
2086 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2087 | if (!ha->flags.msi_enabled) | |
2088 | qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); | |
2089 | ||
2090 | #ifdef QL_DEBUG_LEVEL_17 | |
2091 | if (!irq && ha->flags.eeh_busy) | |
2092 | qla_printk(KERN_WARNING, ha, | |
2093 | "isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n", | |
2094 | status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat); | |
2095 | #endif | |
2096 | ||
2097 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2098 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
2099 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); | |
2100 | complete(&ha->mbx_intr_comp); | |
2101 | } | |
2102 | return IRQ_HANDLED; | |
2103 | } | |
2104 | ||
2105 | irqreturn_t | |
2106 | qla82xx_msix_default(int irq, void *dev_id) | |
2107 | { | |
2108 | scsi_qla_host_t *vha; | |
2109 | struct qla_hw_data *ha; | |
2110 | struct rsp_que *rsp; | |
2111 | struct device_reg_82xx __iomem *reg; | |
2112 | int status = 0; | |
2113 | unsigned long flags; | |
2114 | uint32_t stat; | |
2115 | uint16_t mb[4]; | |
2116 | ||
2117 | rsp = (struct rsp_que *) dev_id; | |
2118 | if (!rsp) { | |
2119 | printk(KERN_INFO | |
2120 | "%s(): NULL response queue pointer\n", __func__); | |
2121 | return IRQ_NONE; | |
2122 | } | |
2123 | ha = rsp->hw; | |
2124 | ||
2125 | reg = &ha->iobase->isp82; | |
2126 | ||
2127 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2128 | vha = pci_get_drvdata(ha->pdev); | |
2129 | do { | |
2130 | if (RD_REG_DWORD(®->host_int)) { | |
2131 | stat = RD_REG_DWORD(®->host_status); | |
a9083016 GM |
2132 | |
2133 | switch (stat & 0xff) { | |
2134 | case 0x1: | |
2135 | case 0x2: | |
2136 | case 0x10: | |
2137 | case 0x11: | |
2138 | qla82xx_mbx_completion(vha, MSW(stat)); | |
2139 | status |= MBX_INTERRUPT; | |
2140 | break; | |
2141 | case 0x12: | |
2142 | mb[0] = MSW(stat); | |
2143 | mb[1] = RD_REG_WORD(®->mailbox_out[1]); | |
2144 | mb[2] = RD_REG_WORD(®->mailbox_out[2]); | |
2145 | mb[3] = RD_REG_WORD(®->mailbox_out[3]); | |
2146 | qla2x00_async_event(vha, rsp, mb); | |
2147 | break; | |
2148 | case 0x13: | |
2149 | qla24xx_process_response_queue(vha, rsp); | |
2150 | break; | |
2151 | default: | |
2152 | DEBUG2(printk("scsi(%ld): " | |
2153 | " Unrecognized interrupt type (%d).\n", | |
2154 | vha->host_no, stat & 0xff)); | |
2155 | break; | |
2156 | } | |
2157 | } | |
2158 | WRT_REG_DWORD(®->host_int, 0); | |
2159 | } while (0); | |
2160 | ||
2161 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2162 | ||
2163 | #ifdef QL_DEBUG_LEVEL_17 | |
2164 | if (!irq && ha->flags.eeh_busy) | |
2165 | qla_printk(KERN_WARNING, ha, | |
2166 | "isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n", | |
2167 | status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat); | |
2168 | #endif | |
2169 | ||
2170 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && | |
2171 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { | |
2172 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); | |
2173 | complete(&ha->mbx_intr_comp); | |
2174 | } | |
2175 | return IRQ_HANDLED; | |
2176 | } | |
2177 | ||
2178 | irqreturn_t | |
2179 | qla82xx_msix_rsp_q(int irq, void *dev_id) | |
2180 | { | |
2181 | scsi_qla_host_t *vha; | |
2182 | struct qla_hw_data *ha; | |
2183 | struct rsp_que *rsp; | |
2184 | struct device_reg_82xx __iomem *reg; | |
2185 | ||
2186 | rsp = (struct rsp_que *) dev_id; | |
2187 | if (!rsp) { | |
2188 | printk(KERN_INFO | |
2189 | "%s(): NULL response queue pointer\n", __func__); | |
2190 | return IRQ_NONE; | |
2191 | } | |
2192 | ||
2193 | ha = rsp->hw; | |
2194 | reg = &ha->iobase->isp82; | |
2195 | spin_lock_irq(&ha->hardware_lock); | |
2196 | vha = pci_get_drvdata(ha->pdev); | |
2197 | qla24xx_process_response_queue(vha, rsp); | |
2198 | WRT_REG_DWORD(®->host_int, 0); | |
2199 | spin_unlock_irq(&ha->hardware_lock); | |
2200 | return IRQ_HANDLED; | |
2201 | } | |
2202 | ||
2203 | void | |
2204 | qla82xx_poll(int irq, void *dev_id) | |
2205 | { | |
2206 | scsi_qla_host_t *vha; | |
2207 | struct qla_hw_data *ha; | |
2208 | struct rsp_que *rsp; | |
2209 | struct device_reg_82xx __iomem *reg; | |
2210 | int status = 0; | |
2211 | uint32_t stat; | |
2212 | uint16_t mb[4]; | |
2213 | unsigned long flags; | |
2214 | ||
2215 | rsp = (struct rsp_que *) dev_id; | |
2216 | if (!rsp) { | |
2217 | printk(KERN_INFO | |
2218 | "%s(): NULL response queue pointer\n", __func__); | |
2219 | return; | |
2220 | } | |
2221 | ha = rsp->hw; | |
2222 | ||
2223 | reg = &ha->iobase->isp82; | |
2224 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2225 | vha = pci_get_drvdata(ha->pdev); | |
2226 | ||
2227 | if (RD_REG_DWORD(®->host_int)) { | |
2228 | stat = RD_REG_DWORD(®->host_status); | |
2229 | switch (stat & 0xff) { | |
2230 | case 0x1: | |
2231 | case 0x2: | |
2232 | case 0x10: | |
2233 | case 0x11: | |
2234 | qla82xx_mbx_completion(vha, MSW(stat)); | |
2235 | status |= MBX_INTERRUPT; | |
2236 | break; | |
2237 | case 0x12: | |
2238 | mb[0] = MSW(stat); | |
2239 | mb[1] = RD_REG_WORD(®->mailbox_out[1]); | |
2240 | mb[2] = RD_REG_WORD(®->mailbox_out[2]); | |
2241 | mb[3] = RD_REG_WORD(®->mailbox_out[3]); | |
2242 | qla2x00_async_event(vha, rsp, mb); | |
2243 | break; | |
2244 | case 0x13: | |
2245 | qla24xx_process_response_queue(vha, rsp); | |
2246 | break; | |
2247 | default: | |
2248 | DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " | |
2249 | "(%d).\n", | |
2250 | vha->host_no, stat & 0xff)); | |
2251 | break; | |
2252 | } | |
2253 | } | |
2254 | WRT_REG_DWORD(®->host_int, 0); | |
2255 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2256 | } | |
2257 | ||
2258 | void | |
2259 | qla82xx_enable_intrs(struct qla_hw_data *ha) | |
2260 | { | |
2261 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); | |
2262 | qla82xx_mbx_intr_enable(vha); | |
2263 | spin_lock_irq(&ha->hardware_lock); | |
2264 | qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); | |
2265 | spin_unlock_irq(&ha->hardware_lock); | |
2266 | ha->interrupts_on = 1; | |
2267 | } | |
2268 | ||
2269 | void | |
2270 | qla82xx_disable_intrs(struct qla_hw_data *ha) | |
2271 | { | |
2272 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); | |
2273 | qla82xx_mbx_intr_disable(vha); | |
2274 | spin_lock_irq(&ha->hardware_lock); | |
2275 | qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); | |
2276 | spin_unlock_irq(&ha->hardware_lock); | |
2277 | ha->interrupts_on = 0; | |
2278 | } | |
2279 | ||
2280 | void qla82xx_init_flags(struct qla_hw_data *ha) | |
2281 | { | |
2282 | struct qla82xx_legacy_intr_set *nx_legacy_intr; | |
2283 | ||
2284 | /* ISP 8021 initializations */ | |
2285 | rwlock_init(&ha->hw_lock); | |
2286 | ha->qdr_sn_window = -1; | |
2287 | ha->ddr_mn_window = -1; | |
2288 | ha->curr_window = 255; | |
2289 | ha->portnum = PCI_FUNC(ha->pdev->devfn); | |
2290 | nx_legacy_intr = &legacy_intr[ha->portnum]; | |
2291 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; | |
2292 | ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg; | |
2293 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; | |
2294 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; | |
2295 | } | |
2296 | ||
a5b36321 | 2297 | inline void |
a9083016 GM |
2298 | qla82xx_set_drv_active(scsi_qla_host_t *vha) |
2299 | { | |
2300 | uint32_t drv_active; | |
2301 | struct qla_hw_data *ha = vha->hw; | |
2302 | ||
2303 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); | |
2304 | ||
2305 | /* If reset value is all FF's, initialize DRV_ACTIVE */ | |
2306 | if (drv_active == 0xffffffff) { | |
77e334d2 GM |
2307 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, |
2308 | QLA82XX_DRV_NOT_ACTIVE); | |
a9083016 GM |
2309 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); |
2310 | } | |
77e334d2 | 2311 | drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); |
a9083016 GM |
2312 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); |
2313 | } | |
2314 | ||
2315 | inline void | |
2316 | qla82xx_clear_drv_active(struct qla_hw_data *ha) | |
2317 | { | |
2318 | uint32_t drv_active; | |
2319 | ||
2320 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); | |
77e334d2 | 2321 | drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); |
a9083016 GM |
2322 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); |
2323 | } | |
2324 | ||
2325 | static inline int | |
2326 | qla82xx_need_reset(struct qla_hw_data *ha) | |
2327 | { | |
2328 | uint32_t drv_state; | |
2329 | int rval; | |
2330 | ||
2331 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
77e334d2 | 2332 | rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); |
a9083016 GM |
2333 | return rval; |
2334 | } | |
2335 | ||
2336 | static inline void | |
2337 | qla82xx_set_rst_ready(struct qla_hw_data *ha) | |
2338 | { | |
2339 | uint32_t drv_state; | |
2340 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); | |
2341 | ||
2342 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
2343 | ||
2344 | /* If reset value is all FF's, initialize DRV_STATE */ | |
2345 | if (drv_state == 0xffffffff) { | |
77e334d2 | 2346 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY); |
a9083016 GM |
2347 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); |
2348 | } | |
2349 | drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); | |
2350 | qla_printk(KERN_INFO, ha, | |
2351 | "%s(%ld):drv_state = 0x%x\n", | |
2352 | __func__, vha->host_no, drv_state); | |
2353 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); | |
2354 | } | |
2355 | ||
2356 | static inline void | |
2357 | qla82xx_clear_rst_ready(struct qla_hw_data *ha) | |
2358 | { | |
2359 | uint32_t drv_state; | |
2360 | ||
2361 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
2362 | drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); | |
2363 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); | |
2364 | } | |
2365 | ||
2366 | static inline void | |
2367 | qla82xx_set_qsnt_ready(struct qla_hw_data *ha) | |
2368 | { | |
2369 | uint32_t qsnt_state; | |
2370 | ||
2371 | qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
2372 | qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); | |
2373 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); | |
2374 | } | |
2375 | ||
579d12b5 SK |
2376 | void |
2377 | qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha) | |
2378 | { | |
2379 | struct qla_hw_data *ha = vha->hw; | |
2380 | uint32_t qsnt_state; | |
2381 | ||
2382 | qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
2383 | qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); | |
2384 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); | |
2385 | } | |
2386 | ||
77e334d2 GM |
2387 | static int |
2388 | qla82xx_load_fw(scsi_qla_host_t *vha) | |
a9083016 GM |
2389 | { |
2390 | int rst; | |
2391 | struct fw_blob *blob; | |
2392 | struct qla_hw_data *ha = vha->hw; | |
2393 | ||
a9083016 GM |
2394 | if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) { |
2395 | qla_printk(KERN_ERR, ha, | |
2396 | "%s: Error during CRB Initialization\n", __func__); | |
2397 | return QLA_FUNCTION_FAILED; | |
2398 | } | |
2399 | udelay(500); | |
2400 | ||
2401 | /* Bring QM and CAMRAM out of reset */ | |
2402 | rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET); | |
2403 | rst &= ~((1 << 28) | (1 << 24)); | |
2404 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst); | |
2405 | ||
2406 | /* | |
2407 | * FW Load priority: | |
2408 | * 1) Operational firmware residing in flash. | |
2409 | * 2) Firmware via request-firmware interface (.bin file). | |
2410 | */ | |
2411 | if (ql2xfwloadbin == 2) | |
2412 | goto try_blob_fw; | |
2413 | ||
2414 | qla_printk(KERN_INFO, ha, | |
2415 | "Attempting to load firmware from flash\n"); | |
2416 | ||
2417 | if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) { | |
2418 | qla_printk(KERN_ERR, ha, | |
875efad7 | 2419 | "Firmware loaded successfully from flash\n"); |
a9083016 | 2420 | return QLA_SUCCESS; |
875efad7 CD |
2421 | } else { |
2422 | qla_printk(KERN_ERR, ha, | |
2423 | "Firmware load from flash failed\n"); | |
a9083016 | 2424 | } |
875efad7 | 2425 | |
a9083016 GM |
2426 | try_blob_fw: |
2427 | qla_printk(KERN_INFO, ha, | |
2428 | "Attempting to load firmware from blob\n"); | |
2429 | ||
2430 | /* Load firmware blob. */ | |
2431 | blob = ha->hablob = qla2x00_request_firmware(vha); | |
2432 | if (!blob) { | |
2433 | qla_printk(KERN_ERR, ha, | |
2434 | "Firmware image not present.\n"); | |
2435 | goto fw_load_failed; | |
2436 | } | |
2437 | ||
9c2b2975 HZ |
2438 | /* Validating firmware blob */ |
2439 | if (qla82xx_validate_firmware_blob(vha, | |
2440 | QLA82XX_FLASH_ROMIMAGE)) { | |
2441 | /* Fallback to URI format */ | |
2442 | if (qla82xx_validate_firmware_blob(vha, | |
2443 | QLA82XX_UNIFIED_ROMIMAGE)) { | |
2444 | qla_printk(KERN_ERR, ha, | |
2445 | "No valid firmware image found!!!"); | |
2446 | return QLA_FUNCTION_FAILED; | |
2447 | } | |
2448 | } | |
2449 | ||
a9083016 GM |
2450 | if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) { |
2451 | qla_printk(KERN_ERR, ha, | |
2452 | "%s: Firmware loaded successfully " | |
2453 | " from binary blob\n", __func__); | |
2454 | return QLA_SUCCESS; | |
2455 | } else { | |
2456 | qla_printk(KERN_ERR, ha, | |
2457 | "Firmware load failed from binary blob\n"); | |
2458 | blob->fw = NULL; | |
2459 | blob = NULL; | |
2460 | goto fw_load_failed; | |
2461 | } | |
2462 | return QLA_SUCCESS; | |
2463 | ||
2464 | fw_load_failed: | |
2465 | return QLA_FUNCTION_FAILED; | |
2466 | } | |
2467 | ||
a5b36321 | 2468 | int |
a9083016 GM |
2469 | qla82xx_start_firmware(scsi_qla_host_t *vha) |
2470 | { | |
2471 | int pcie_cap; | |
2472 | uint16_t lnk; | |
2473 | struct qla_hw_data *ha = vha->hw; | |
2474 | ||
2475 | /* scrub dma mask expansion register */ | |
77e334d2 | 2476 | qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE); |
a9083016 | 2477 | |
3711333d GM |
2478 | /* Put both the PEG CMD and RCV PEG to default state |
2479 | * of 0 before resetting the hardware | |
2480 | */ | |
2481 | qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); | |
2482 | qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0); | |
2483 | ||
a9083016 GM |
2484 | /* Overwrite stale initialization register values */ |
2485 | qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0); | |
2486 | qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0); | |
2487 | ||
2488 | if (qla82xx_load_fw(vha) != QLA_SUCCESS) { | |
2489 | qla_printk(KERN_INFO, ha, | |
2490 | "%s: Error trying to start fw!\n", __func__); | |
2491 | return QLA_FUNCTION_FAILED; | |
2492 | } | |
2493 | ||
2494 | /* Handshake with the card before we register the devices. */ | |
2495 | if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) { | |
2496 | qla_printk(KERN_INFO, ha, | |
2497 | "%s: Error during card handshake!\n", __func__); | |
2498 | return QLA_FUNCTION_FAILED; | |
2499 | } | |
2500 | ||
2501 | /* Negotiated Link width */ | |
2502 | pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); | |
2503 | pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk); | |
2504 | ha->link_width = (lnk >> 4) & 0x3f; | |
2505 | ||
2506 | /* Synchronize with Receive peg */ | |
2507 | return qla82xx_check_rcvpeg_state(ha); | |
2508 | } | |
2509 | ||
2510 | static inline int | |
2511 | qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, | |
2512 | uint16_t tot_dsds) | |
2513 | { | |
2514 | uint32_t *cur_dsd = NULL; | |
2515 | scsi_qla_host_t *vha; | |
2516 | struct qla_hw_data *ha; | |
2517 | struct scsi_cmnd *cmd; | |
2518 | struct scatterlist *cur_seg; | |
2519 | uint32_t *dsd_seg; | |
2520 | void *next_dsd; | |
2521 | uint8_t avail_dsds; | |
2522 | uint8_t first_iocb = 1; | |
2523 | uint32_t dsd_list_len; | |
2524 | struct dsd_dma *dsd_ptr; | |
2525 | struct ct6_dsd *ctx; | |
2526 | ||
2527 | cmd = sp->cmd; | |
2528 | ||
2529 | /* Update entry type to indicate Command Type 3 IOCB */ | |
2530 | *((uint32_t *)(&cmd_pkt->entry_type)) = | |
2531 | __constant_cpu_to_le32(COMMAND_TYPE_6); | |
2532 | ||
2533 | /* No data transfer */ | |
2534 | if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { | |
2535 | cmd_pkt->byte_count = __constant_cpu_to_le32(0); | |
2536 | return 0; | |
2537 | } | |
2538 | ||
2539 | vha = sp->fcport->vha; | |
2540 | ha = vha->hw; | |
2541 | ||
2542 | /* Set transfer direction */ | |
2543 | if (cmd->sc_data_direction == DMA_TO_DEVICE) { | |
2544 | cmd_pkt->control_flags = | |
2545 | __constant_cpu_to_le16(CF_WRITE_DATA); | |
2546 | ha->qla_stats.output_bytes += scsi_bufflen(cmd); | |
2547 | } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
2548 | cmd_pkt->control_flags = | |
2549 | __constant_cpu_to_le16(CF_READ_DATA); | |
2550 | ha->qla_stats.input_bytes += scsi_bufflen(cmd); | |
2551 | } | |
2552 | ||
2553 | cur_seg = scsi_sglist(cmd); | |
2554 | ctx = sp->ctx; | |
2555 | ||
2556 | while (tot_dsds) { | |
2557 | avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? | |
2558 | QLA_DSDS_PER_IOCB : tot_dsds; | |
2559 | tot_dsds -= avail_dsds; | |
2560 | dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE; | |
2561 | ||
2562 | dsd_ptr = list_first_entry(&ha->gbl_dsd_list, | |
2563 | struct dsd_dma, list); | |
2564 | next_dsd = dsd_ptr->dsd_addr; | |
2565 | list_del(&dsd_ptr->list); | |
2566 | ha->gbl_dsd_avail--; | |
2567 | list_add_tail(&dsd_ptr->list, &ctx->dsd_list); | |
2568 | ctx->dsd_use_cnt++; | |
2569 | ha->gbl_dsd_inuse++; | |
2570 | ||
2571 | if (first_iocb) { | |
2572 | first_iocb = 0; | |
2573 | dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; | |
2574 | *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
2575 | *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
fa96d927 | 2576 | *dsd_seg++ = cpu_to_le32(dsd_list_len); |
a9083016 GM |
2577 | } else { |
2578 | *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); | |
2579 | *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); | |
fa96d927 | 2580 | *cur_dsd++ = cpu_to_le32(dsd_list_len); |
a9083016 GM |
2581 | } |
2582 | cur_dsd = (uint32_t *)next_dsd; | |
2583 | while (avail_dsds) { | |
2584 | dma_addr_t sle_dma; | |
2585 | ||
2586 | sle_dma = sg_dma_address(cur_seg); | |
2587 | *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); | |
2588 | *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); | |
2589 | *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); | |
aa5cbf8a | 2590 | cur_seg = sg_next(cur_seg); |
a9083016 GM |
2591 | avail_dsds--; |
2592 | } | |
2593 | } | |
2594 | ||
2595 | /* Null termination */ | |
2596 | *cur_dsd++ = 0; | |
2597 | *cur_dsd++ = 0; | |
2598 | *cur_dsd++ = 0; | |
2599 | cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE; | |
2600 | return 0; | |
2601 | } | |
2602 | ||
2603 | /* | |
2604 | * qla82xx_calc_dsd_lists() - Determine number of DSD list required | |
2605 | * for Command Type 6. | |
2606 | * | |
2607 | * @dsds: number of data segment decriptors needed | |
2608 | * | |
2609 | * Returns the number of dsd list needed to store @dsds. | |
2610 | */ | |
2611 | inline uint16_t | |
2612 | qla82xx_calc_dsd_lists(uint16_t dsds) | |
2613 | { | |
2614 | uint16_t dsd_lists = 0; | |
2615 | ||
2616 | dsd_lists = (dsds/QLA_DSDS_PER_IOCB); | |
2617 | if (dsds % QLA_DSDS_PER_IOCB) | |
2618 | dsd_lists++; | |
2619 | return dsd_lists; | |
2620 | } | |
2621 | ||
2622 | /* | |
2623 | * qla82xx_start_scsi() - Send a SCSI command to the ISP | |
2624 | * @sp: command to send to the ISP | |
2625 | * | |
25985edc | 2626 | * Returns non-zero if a failure occurred, else zero. |
a9083016 GM |
2627 | */ |
2628 | int | |
2629 | qla82xx_start_scsi(srb_t *sp) | |
2630 | { | |
2631 | int ret, nseg; | |
2632 | unsigned long flags; | |
2633 | struct scsi_cmnd *cmd; | |
2634 | uint32_t *clr_ptr; | |
2635 | uint32_t index; | |
2636 | uint32_t handle; | |
2637 | uint16_t cnt; | |
2638 | uint16_t req_cnt; | |
2639 | uint16_t tot_dsds; | |
2640 | struct device_reg_82xx __iomem *reg; | |
2641 | uint32_t dbval; | |
2642 | uint32_t *fcp_dl; | |
2643 | uint8_t additional_cdb_len; | |
2644 | struct ct6_dsd *ctx; | |
2645 | struct scsi_qla_host *vha = sp->fcport->vha; | |
2646 | struct qla_hw_data *ha = vha->hw; | |
2647 | struct req_que *req = NULL; | |
2648 | struct rsp_que *rsp = NULL; | |
ff2fc42e | 2649 | char tag[2]; |
a9083016 GM |
2650 | |
2651 | /* Setup device pointers. */ | |
2652 | ret = 0; | |
2653 | reg = &ha->iobase->isp82; | |
2654 | cmd = sp->cmd; | |
2655 | req = vha->req; | |
2656 | rsp = ha->rsp_q_map[0]; | |
2657 | ||
2658 | /* So we know we haven't pci_map'ed anything yet */ | |
2659 | tot_dsds = 0; | |
2660 | ||
2661 | dbval = 0x04 | (ha->portnum << 5); | |
2662 | ||
2663 | /* Send marker if required */ | |
2664 | if (vha->marker_needed != 0) { | |
2665 | if (qla2x00_marker(vha, req, | |
2666 | rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) | |
2667 | return QLA_FUNCTION_FAILED; | |
2668 | vha->marker_needed = 0; | |
2669 | } | |
2670 | ||
2671 | /* Acquire ring specific lock */ | |
2672 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2673 | ||
2674 | /* Check for room in outstanding command list. */ | |
2675 | handle = req->current_outstanding_cmd; | |
2676 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { | |
2677 | handle++; | |
2678 | if (handle == MAX_OUTSTANDING_COMMANDS) | |
2679 | handle = 1; | |
2680 | if (!req->outstanding_cmds[handle]) | |
2681 | break; | |
2682 | } | |
2683 | if (index == MAX_OUTSTANDING_COMMANDS) | |
2684 | goto queuing_error; | |
2685 | ||
2686 | /* Map the sg table so we have an accurate count of sg entries needed */ | |
2687 | if (scsi_sg_count(cmd)) { | |
2688 | nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), | |
2689 | scsi_sg_count(cmd), cmd->sc_data_direction); | |
2690 | if (unlikely(!nseg)) | |
2691 | goto queuing_error; | |
2692 | } else | |
2693 | nseg = 0; | |
2694 | ||
2695 | tot_dsds = nseg; | |
2696 | ||
2697 | if (tot_dsds > ql2xshiftctondsd) { | |
2698 | struct cmd_type_6 *cmd_pkt; | |
2699 | uint16_t more_dsd_lists = 0; | |
2700 | struct dsd_dma *dsd_ptr; | |
2701 | uint16_t i; | |
2702 | ||
2703 | more_dsd_lists = qla82xx_calc_dsd_lists(tot_dsds); | |
2704 | if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) | |
2705 | goto queuing_error; | |
2706 | ||
2707 | if (more_dsd_lists <= ha->gbl_dsd_avail) | |
2708 | goto sufficient_dsds; | |
2709 | else | |
2710 | more_dsd_lists -= ha->gbl_dsd_avail; | |
2711 | ||
2712 | for (i = 0; i < more_dsd_lists; i++) { | |
2713 | dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); | |
2714 | if (!dsd_ptr) | |
2715 | goto queuing_error; | |
2716 | ||
2717 | dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool, | |
2718 | GFP_ATOMIC, &dsd_ptr->dsd_list_dma); | |
2719 | if (!dsd_ptr->dsd_addr) { | |
2720 | kfree(dsd_ptr); | |
2721 | goto queuing_error; | |
2722 | } | |
2723 | list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list); | |
2724 | ha->gbl_dsd_avail++; | |
2725 | } | |
2726 | ||
2727 | sufficient_dsds: | |
2728 | req_cnt = 1; | |
2729 | ||
1bd58b89 GM |
2730 | if (req->cnt < (req_cnt + 2)) { |
2731 | cnt = (uint16_t)RD_REG_DWORD_RELAXED( | |
2732 | ®->req_q_out[0]); | |
2733 | if (req->ring_index < cnt) | |
2734 | req->cnt = cnt - req->ring_index; | |
2735 | else | |
2736 | req->cnt = req->length - | |
2737 | (req->ring_index - cnt); | |
2738 | } | |
2739 | ||
2740 | if (req->cnt < (req_cnt + 2)) | |
2741 | goto queuing_error; | |
2742 | ||
a9083016 GM |
2743 | ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); |
2744 | if (!sp->ctx) { | |
2745 | DEBUG(printk(KERN_INFO | |
2746 | "%s(%ld): failed to allocate" | |
2747 | " ctx.\n", __func__, vha->host_no)); | |
2748 | goto queuing_error; | |
2749 | } | |
2750 | memset(ctx, 0, sizeof(struct ct6_dsd)); | |
2751 | ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool, | |
2752 | GFP_ATOMIC, &ctx->fcp_cmnd_dma); | |
2753 | if (!ctx->fcp_cmnd) { | |
2754 | DEBUG2_3(printk("%s(%ld): failed to allocate" | |
2755 | " fcp_cmnd.\n", __func__, vha->host_no)); | |
2756 | goto queuing_error_fcp_cmnd; | |
2757 | } | |
2758 | ||
2759 | /* Initialize the DSD list and dma handle */ | |
2760 | INIT_LIST_HEAD(&ctx->dsd_list); | |
2761 | ctx->dsd_use_cnt = 0; | |
2762 | ||
2763 | if (cmd->cmd_len > 16) { | |
2764 | additional_cdb_len = cmd->cmd_len - 16; | |
2765 | if ((cmd->cmd_len % 4) != 0) { | |
2766 | /* SCSI command bigger than 16 bytes must be | |
2767 | * multiple of 4 | |
2768 | */ | |
2769 | goto queuing_error_fcp_cmnd; | |
2770 | } | |
2771 | ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; | |
2772 | } else { | |
2773 | additional_cdb_len = 0; | |
2774 | ctx->fcp_cmnd_len = 12 + 16 + 4; | |
2775 | } | |
2776 | ||
2777 | cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; | |
2778 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2779 | ||
2780 | /* Zero out remaining portion of packet. */ | |
2781 | /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ | |
2782 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2783 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2784 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2785 | ||
2786 | /* Set NPORT-ID and LUN number*/ | |
2787 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2788 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2789 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2790 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
2791 | cmd_pkt->vp_index = sp->fcport->vp_idx; | |
2792 | ||
2793 | /* Build IOCB segments */ | |
2794 | if (qla2xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds)) | |
2795 | goto queuing_error_fcp_cmnd; | |
2796 | ||
2797 | int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); | |
85727e1f | 2798 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); |
a9083016 | 2799 | |
ff2fc42e AV |
2800 | /* |
2801 | * Update tagged queuing modifier -- default is TSK_SIMPLE (0). | |
2802 | */ | |
2803 | if (scsi_populate_tag_msg(cmd, tag)) { | |
2804 | switch (tag[0]) { | |
2805 | case HEAD_OF_QUEUE_TAG: | |
2806 | ctx->fcp_cmnd->task_attribute = | |
2807 | TSK_HEAD_OF_QUEUE; | |
2808 | break; | |
2809 | case ORDERED_QUEUE_TAG: | |
2810 | ctx->fcp_cmnd->task_attribute = | |
2811 | TSK_ORDERED; | |
2812 | break; | |
2813 | } | |
2814 | } | |
2815 | ||
a9083016 GM |
2816 | /* build FCP_CMND IU */ |
2817 | memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); | |
2818 | int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); | |
2819 | ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; | |
2820 | ||
2821 | if (cmd->sc_data_direction == DMA_TO_DEVICE) | |
2822 | ctx->fcp_cmnd->additional_cdb_len |= 1; | |
2823 | else if (cmd->sc_data_direction == DMA_FROM_DEVICE) | |
2824 | ctx->fcp_cmnd->additional_cdb_len |= 2; | |
2825 | ||
2826 | memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); | |
2827 | ||
2828 | fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + | |
2829 | additional_cdb_len); | |
2830 | *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); | |
2831 | ||
2832 | cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); | |
2833 | cmd_pkt->fcp_cmnd_dseg_address[0] = | |
2834 | cpu_to_le32(LSD(ctx->fcp_cmnd_dma)); | |
2835 | cmd_pkt->fcp_cmnd_dseg_address[1] = | |
2836 | cpu_to_le32(MSD(ctx->fcp_cmnd_dma)); | |
2837 | ||
2838 | sp->flags |= SRB_FCP_CMND_DMA_VALID; | |
2839 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
2840 | /* Set total data segment count. */ | |
2841 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2842 | /* Specify response queue number where | |
2843 | * completion should happen | |
2844 | */ | |
2845 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
2846 | } else { | |
2847 | struct cmd_type_7 *cmd_pkt; | |
2848 | req_cnt = qla24xx_calc_iocbs(tot_dsds); | |
2849 | if (req->cnt < (req_cnt + 2)) { | |
2850 | cnt = (uint16_t)RD_REG_DWORD_RELAXED( | |
2851 | ®->req_q_out[0]); | |
2852 | if (req->ring_index < cnt) | |
2853 | req->cnt = cnt - req->ring_index; | |
2854 | else | |
2855 | req->cnt = req->length - | |
2856 | (req->ring_index - cnt); | |
2857 | } | |
2858 | if (req->cnt < (req_cnt + 2)) | |
2859 | goto queuing_error; | |
2860 | ||
2861 | cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; | |
2862 | cmd_pkt->handle = MAKE_HANDLE(req->id, handle); | |
2863 | ||
2864 | /* Zero out remaining portion of packet. */ | |
2865 | /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ | |
2866 | clr_ptr = (uint32_t *)cmd_pkt + 2; | |
2867 | memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); | |
2868 | cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); | |
2869 | ||
2870 | /* Set NPORT-ID and LUN number*/ | |
2871 | cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); | |
2872 | cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; | |
2873 | cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; | |
2874 | cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; | |
2875 | cmd_pkt->vp_index = sp->fcport->vp_idx; | |
2876 | ||
2877 | int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); | |
2878 | host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, | |
2879 | sizeof(cmd_pkt->lun)); | |
2880 | ||
ff2fc42e AV |
2881 | /* |
2882 | * Update tagged queuing modifier -- default is TSK_SIMPLE (0). | |
2883 | */ | |
2884 | if (scsi_populate_tag_msg(cmd, tag)) { | |
2885 | switch (tag[0]) { | |
2886 | case HEAD_OF_QUEUE_TAG: | |
2887 | cmd_pkt->task = TSK_HEAD_OF_QUEUE; | |
2888 | break; | |
2889 | case ORDERED_QUEUE_TAG: | |
2890 | cmd_pkt->task = TSK_ORDERED; | |
2891 | break; | |
2892 | } | |
2893 | } | |
2894 | ||
a9083016 GM |
2895 | /* Load SCSI command packet. */ |
2896 | memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); | |
2897 | host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); | |
2898 | ||
2899 | cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); | |
2900 | ||
2901 | /* Build IOCB segments */ | |
2902 | qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds); | |
2903 | ||
2904 | /* Set total data segment count. */ | |
2905 | cmd_pkt->entry_count = (uint8_t)req_cnt; | |
2906 | /* Specify response queue number where | |
2907 | * completion should happen. | |
2908 | */ | |
2909 | cmd_pkt->entry_status = (uint8_t) rsp->id; | |
2910 | ||
2911 | } | |
2912 | /* Build command packet. */ | |
2913 | req->current_outstanding_cmd = handle; | |
2914 | req->outstanding_cmds[handle] = sp; | |
2915 | sp->handle = handle; | |
2916 | sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; | |
2917 | req->cnt -= req_cnt; | |
2918 | wmb(); | |
2919 | ||
2920 | /* Adjust ring index. */ | |
2921 | req->ring_index++; | |
2922 | if (req->ring_index == req->length) { | |
2923 | req->ring_index = 0; | |
2924 | req->ring_ptr = req->ring; | |
2925 | } else | |
2926 | req->ring_ptr++; | |
2927 | ||
2928 | sp->flags |= SRB_DMA_VALID; | |
2929 | ||
2930 | /* Set chip new ring index. */ | |
2931 | /* write, read and verify logic */ | |
2932 | dbval = dbval | (req->id << 8) | (req->ring_index << 16); | |
2933 | if (ql2xdbwr) | |
2934 | qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); | |
2935 | else { | |
2936 | WRT_REG_DWORD( | |
2937 | (unsigned long __iomem *)ha->nxdb_wr_ptr, | |
2938 | dbval); | |
2939 | wmb(); | |
2940 | while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { | |
2941 | WRT_REG_DWORD( | |
2942 | (unsigned long __iomem *)ha->nxdb_wr_ptr, | |
2943 | dbval); | |
2944 | wmb(); | |
2945 | } | |
2946 | } | |
2947 | ||
2948 | /* Manage unprocessed RIO/ZIO commands in response queue. */ | |
2949 | if (vha->flags.process_response_queue && | |
2950 | rsp->ring_ptr->signature != RESPONSE_PROCESSED) | |
2951 | qla24xx_process_response_queue(vha, rsp); | |
2952 | ||
2953 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2954 | return QLA_SUCCESS; | |
2955 | ||
2956 | queuing_error_fcp_cmnd: | |
2957 | dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); | |
2958 | queuing_error: | |
2959 | if (tot_dsds) | |
2960 | scsi_dma_unmap(cmd); | |
2961 | ||
2962 | if (sp->ctx) { | |
2963 | mempool_free(sp->ctx, ha->ctx_mempool); | |
2964 | sp->ctx = NULL; | |
2965 | } | |
2966 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2967 | ||
2968 | return QLA_FUNCTION_FAILED; | |
2969 | } | |
2970 | ||
77e334d2 | 2971 | static uint32_t * |
a9083016 GM |
2972 | qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, |
2973 | uint32_t length) | |
2974 | { | |
2975 | uint32_t i; | |
2976 | uint32_t val; | |
2977 | struct qla_hw_data *ha = vha->hw; | |
2978 | ||
2979 | /* Dword reads to flash. */ | |
2980 | for (i = 0; i < length/4; i++, faddr += 4) { | |
2981 | if (qla82xx_rom_fast_read(ha, faddr, &val)) { | |
2982 | qla_printk(KERN_WARNING, ha, | |
2983 | "Do ROM fast read failed\n"); | |
2984 | goto done_read; | |
2985 | } | |
2986 | dwptr[i] = __constant_cpu_to_le32(val); | |
2987 | } | |
2988 | done_read: | |
2989 | return dwptr; | |
2990 | } | |
2991 | ||
77e334d2 | 2992 | static int |
a9083016 GM |
2993 | qla82xx_unprotect_flash(struct qla_hw_data *ha) |
2994 | { | |
2995 | int ret; | |
2996 | uint32_t val; | |
2997 | ||
2998 | ret = ql82xx_rom_lock_d(ha); | |
2999 | if (ret < 0) { | |
3000 | qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); | |
3001 | return ret; | |
3002 | } | |
3003 | ||
3004 | ret = qla82xx_read_status_reg(ha, &val); | |
3005 | if (ret < 0) | |
3006 | goto done_unprotect; | |
3007 | ||
0547fb37 | 3008 | val &= ~(BLOCK_PROTECT_BITS << 2); |
a9083016 GM |
3009 | ret = qla82xx_write_status_reg(ha, val); |
3010 | if (ret < 0) { | |
0547fb37 | 3011 | val |= (BLOCK_PROTECT_BITS << 2); |
a9083016 GM |
3012 | qla82xx_write_status_reg(ha, val); |
3013 | } | |
3014 | ||
3015 | if (qla82xx_write_disable_flash(ha) != 0) | |
3016 | qla_printk(KERN_WARNING, ha, "Write disable failed\n"); | |
3017 | ||
3018 | done_unprotect: | |
d652e093 | 3019 | qla82xx_rom_unlock(ha); |
a9083016 GM |
3020 | return ret; |
3021 | } | |
3022 | ||
77e334d2 | 3023 | static int |
a9083016 GM |
3024 | qla82xx_protect_flash(struct qla_hw_data *ha) |
3025 | { | |
3026 | int ret; | |
3027 | uint32_t val; | |
3028 | ||
3029 | ret = ql82xx_rom_lock_d(ha); | |
3030 | if (ret < 0) { | |
3031 | qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); | |
3032 | return ret; | |
3033 | } | |
3034 | ||
3035 | ret = qla82xx_read_status_reg(ha, &val); | |
3036 | if (ret < 0) | |
3037 | goto done_protect; | |
3038 | ||
0547fb37 | 3039 | val |= (BLOCK_PROTECT_BITS << 2); |
a9083016 GM |
3040 | /* LOCK all sectors */ |
3041 | ret = qla82xx_write_status_reg(ha, val); | |
3042 | if (ret < 0) | |
3043 | qla_printk(KERN_WARNING, ha, "Write status register failed\n"); | |
3044 | ||
3045 | if (qla82xx_write_disable_flash(ha) != 0) | |
3046 | qla_printk(KERN_WARNING, ha, "Write disable failed\n"); | |
3047 | done_protect: | |
d652e093 | 3048 | qla82xx_rom_unlock(ha); |
a9083016 GM |
3049 | return ret; |
3050 | } | |
3051 | ||
77e334d2 | 3052 | static int |
a9083016 GM |
3053 | qla82xx_erase_sector(struct qla_hw_data *ha, int addr) |
3054 | { | |
3055 | int ret = 0; | |
3056 | ||
3057 | ret = ql82xx_rom_lock_d(ha); | |
3058 | if (ret < 0) { | |
3059 | qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); | |
3060 | return ret; | |
3061 | } | |
3062 | ||
3063 | qla82xx_flash_set_write_enable(ha); | |
3064 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); | |
3065 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); | |
3066 | qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE); | |
3067 | ||
3068 | if (qla82xx_wait_rom_done(ha)) { | |
3069 | qla_printk(KERN_WARNING, ha, | |
3070 | "Error waiting for rom done\n"); | |
3071 | ret = -1; | |
3072 | goto done; | |
3073 | } | |
3074 | ret = qla82xx_flash_wait_write_finish(ha); | |
3075 | done: | |
d652e093 | 3076 | qla82xx_rom_unlock(ha); |
a9083016 GM |
3077 | return ret; |
3078 | } | |
3079 | ||
3080 | /* | |
3081 | * Address and length are byte address | |
3082 | */ | |
3083 | uint8_t * | |
3084 | qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, | |
3085 | uint32_t offset, uint32_t length) | |
3086 | { | |
3087 | scsi_block_requests(vha->host); | |
3088 | qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length); | |
3089 | scsi_unblock_requests(vha->host); | |
3090 | return buf; | |
3091 | } | |
3092 | ||
3093 | static int | |
3094 | qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr, | |
3095 | uint32_t faddr, uint32_t dwords) | |
3096 | { | |
3097 | int ret; | |
3098 | uint32_t liter; | |
3099 | uint32_t sec_mask, rest_addr; | |
3100 | dma_addr_t optrom_dma; | |
3101 | void *optrom = NULL; | |
3102 | int page_mode = 0; | |
3103 | struct qla_hw_data *ha = vha->hw; | |
3104 | ||
3105 | ret = -1; | |
3106 | ||
3107 | /* Prepare burst-capable write on supported ISPs. */ | |
3108 | if (page_mode && !(faddr & 0xfff) && | |
3109 | dwords > OPTROM_BURST_DWORDS) { | |
3110 | optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, | |
3111 | &optrom_dma, GFP_KERNEL); | |
3112 | if (!optrom) { | |
3113 | qla_printk(KERN_DEBUG, ha, | |
3114 | "Unable to allocate memory for optrom " | |
3115 | "burst write (%x KB).\n", | |
3116 | OPTROM_BURST_SIZE / 1024); | |
3117 | } | |
3118 | } | |
3119 | ||
3120 | rest_addr = ha->fdt_block_size - 1; | |
3121 | sec_mask = ~rest_addr; | |
3122 | ||
3123 | ret = qla82xx_unprotect_flash(ha); | |
3124 | if (ret) { | |
3125 | qla_printk(KERN_WARNING, ha, | |
3126 | "Unable to unprotect flash for update.\n"); | |
3127 | goto write_done; | |
3128 | } | |
3129 | ||
3130 | for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) { | |
3131 | /* Are we at the beginning of a sector? */ | |
3132 | if ((faddr & rest_addr) == 0) { | |
3133 | ||
3134 | ret = qla82xx_erase_sector(ha, faddr); | |
3135 | if (ret) { | |
3136 | DEBUG9(qla_printk(KERN_ERR, ha, | |
3137 | "Unable to erase sector: " | |
3138 | "address=%x.\n", faddr)); | |
3139 | break; | |
3140 | } | |
3141 | } | |
3142 | ||
3143 | /* Go with burst-write. */ | |
3144 | if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) { | |
3145 | /* Copy data to DMA'ble buffer. */ | |
3146 | memcpy(optrom, dwptr, OPTROM_BURST_SIZE); | |
3147 | ||
3148 | ret = qla2x00_load_ram(vha, optrom_dma, | |
3149 | (ha->flash_data_off | faddr), | |
3150 | OPTROM_BURST_DWORDS); | |
3151 | if (ret != QLA_SUCCESS) { | |
3152 | qla_printk(KERN_WARNING, ha, | |
3153 | "Unable to burst-write optrom segment " | |
3154 | "(%x/%x/%llx).\n", ret, | |
3155 | (ha->flash_data_off | faddr), | |
3156 | (unsigned long long)optrom_dma); | |
3157 | qla_printk(KERN_WARNING, ha, | |
3158 | "Reverting to slow-write.\n"); | |
3159 | ||
3160 | dma_free_coherent(&ha->pdev->dev, | |
3161 | OPTROM_BURST_SIZE, optrom, optrom_dma); | |
3162 | optrom = NULL; | |
3163 | } else { | |
3164 | liter += OPTROM_BURST_DWORDS - 1; | |
3165 | faddr += OPTROM_BURST_DWORDS - 1; | |
3166 | dwptr += OPTROM_BURST_DWORDS - 1; | |
3167 | continue; | |
3168 | } | |
3169 | } | |
3170 | ||
3171 | ret = qla82xx_write_flash_dword(ha, faddr, | |
3172 | cpu_to_le32(*dwptr)); | |
3173 | if (ret) { | |
3174 | DEBUG9(printk(KERN_DEBUG "%s(%ld) Unable to program" | |
3175 | "flash address=%x data=%x.\n", __func__, | |
3176 | ha->host_no, faddr, *dwptr)); | |
3177 | break; | |
3178 | } | |
3179 | } | |
3180 | ||
3181 | ret = qla82xx_protect_flash(ha); | |
3182 | if (ret) | |
3183 | qla_printk(KERN_WARNING, ha, | |
3184 | "Unable to protect flash after update.\n"); | |
3185 | write_done: | |
3186 | if (optrom) | |
3187 | dma_free_coherent(&ha->pdev->dev, | |
3188 | OPTROM_BURST_SIZE, optrom, optrom_dma); | |
3189 | return ret; | |
3190 | } | |
3191 | ||
3192 | int | |
3193 | qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, | |
3194 | uint32_t offset, uint32_t length) | |
3195 | { | |
3196 | int rval; | |
3197 | ||
3198 | /* Suspend HBA. */ | |
3199 | scsi_block_requests(vha->host); | |
3200 | rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset, | |
3201 | length >> 2); | |
3202 | scsi_unblock_requests(vha->host); | |
3203 | ||
3204 | /* Convert return ISP82xx to generic */ | |
3205 | if (rval) | |
3206 | rval = QLA_FUNCTION_FAILED; | |
3207 | else | |
3208 | rval = QLA_SUCCESS; | |
3209 | return rval; | |
3210 | } | |
3211 | ||
3212 | void | |
3213 | qla82xx_start_iocbs(srb_t *sp) | |
3214 | { | |
3215 | struct qla_hw_data *ha = sp->fcport->vha->hw; | |
3216 | struct req_que *req = ha->req_q_map[0]; | |
3217 | struct device_reg_82xx __iomem *reg; | |
3218 | uint32_t dbval; | |
3219 | ||
3220 | /* Adjust ring index. */ | |
3221 | req->ring_index++; | |
3222 | if (req->ring_index == req->length) { | |
3223 | req->ring_index = 0; | |
3224 | req->ring_ptr = req->ring; | |
3225 | } else | |
3226 | req->ring_ptr++; | |
3227 | ||
3228 | reg = &ha->iobase->isp82; | |
3229 | dbval = 0x04 | (ha->portnum << 5); | |
3230 | ||
3231 | dbval = dbval | (req->id << 8) | (req->ring_index << 16); | |
6907869d GM |
3232 | if (ql2xdbwr) |
3233 | qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); | |
3234 | else { | |
3235 | WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval); | |
a9083016 | 3236 | wmb(); |
6907869d GM |
3237 | while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { |
3238 | WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, | |
3239 | dbval); | |
3240 | wmb(); | |
3241 | } | |
a9083016 GM |
3242 | } |
3243 | } | |
3244 | ||
e6a4202a SS |
3245 | void qla82xx_rom_lock_recovery(struct qla_hw_data *ha) |
3246 | { | |
3247 | if (qla82xx_rom_lock(ha)) | |
3248 | /* Someone else is holding the lock. */ | |
3249 | qla_printk(KERN_INFO, ha, "Resetting rom_lock\n"); | |
3250 | ||
3251 | /* | |
3252 | * Either we got the lock, or someone | |
3253 | * else died while holding it. | |
3254 | * In either case, unlock. | |
3255 | */ | |
d652e093 | 3256 | qla82xx_rom_unlock(ha); |
e6a4202a SS |
3257 | } |
3258 | ||
a9083016 GM |
3259 | /* |
3260 | * qla82xx_device_bootstrap | |
3261 | * Initialize device, set DEV_READY, start fw | |
3262 | * | |
3263 | * Note: | |
3264 | * IDC lock must be held upon entry | |
3265 | * | |
3266 | * Return: | |
3267 | * Success : 0 | |
3268 | * Failed : 1 | |
3269 | */ | |
3270 | static int | |
3271 | qla82xx_device_bootstrap(scsi_qla_host_t *vha) | |
3272 | { | |
e6a4202a SS |
3273 | int rval = QLA_SUCCESS; |
3274 | int i, timeout; | |
a9083016 GM |
3275 | uint32_t old_count, count; |
3276 | struct qla_hw_data *ha = vha->hw; | |
e6a4202a | 3277 | int need_reset = 0, peg_stuck = 1; |
a9083016 | 3278 | |
e6a4202a | 3279 | need_reset = qla82xx_need_reset(ha); |
a9083016 GM |
3280 | |
3281 | old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); | |
3282 | ||
3283 | for (i = 0; i < 10; i++) { | |
3284 | timeout = msleep_interruptible(200); | |
3285 | if (timeout) { | |
3286 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
3287 | QLA82XX_DEV_FAILED); | |
3288 | return QLA_FUNCTION_FAILED; | |
3289 | } | |
3290 | ||
3291 | count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); | |
3292 | if (count != old_count) | |
e6a4202a SS |
3293 | peg_stuck = 0; |
3294 | } | |
3295 | ||
3296 | if (need_reset) { | |
3297 | /* We are trying to perform a recovery here. */ | |
3298 | if (peg_stuck) | |
3299 | qla82xx_rom_lock_recovery(ha); | |
3300 | goto dev_initialize; | |
3301 | } else { | |
3302 | /* Start of day for this ha context. */ | |
3303 | if (peg_stuck) { | |
3304 | /* Either we are the first or recovery in progress. */ | |
3305 | qla82xx_rom_lock_recovery(ha); | |
3306 | goto dev_initialize; | |
3307 | } else | |
3308 | /* Firmware already running. */ | |
a9083016 GM |
3309 | goto dev_ready; |
3310 | } | |
3311 | ||
e6a4202a SS |
3312 | return rval; |
3313 | ||
a9083016 GM |
3314 | dev_initialize: |
3315 | /* set to DEV_INITIALIZING */ | |
3316 | qla_printk(KERN_INFO, ha, "HW State: INITIALIZING\n"); | |
3317 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING); | |
3318 | ||
3319 | /* Driver that sets device state to initializating sets IDC version */ | |
3320 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION); | |
3321 | ||
3322 | qla82xx_idc_unlock(ha); | |
3323 | rval = qla82xx_start_firmware(vha); | |
3324 | qla82xx_idc_lock(ha); | |
3325 | ||
3326 | if (rval != QLA_SUCCESS) { | |
3327 | qla_printk(KERN_INFO, ha, "HW State: FAILED\n"); | |
3328 | qla82xx_clear_drv_active(ha); | |
3329 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED); | |
3330 | return rval; | |
3331 | } | |
3332 | ||
3333 | dev_ready: | |
3334 | qla_printk(KERN_INFO, ha, "HW State: READY\n"); | |
3335 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY); | |
3336 | ||
3337 | return QLA_SUCCESS; | |
3338 | } | |
3339 | ||
579d12b5 SK |
3340 | /* |
3341 | * qla82xx_need_qsnt_handler | |
3342 | * Code to start quiescence sequence | |
3343 | * | |
3344 | * Note: | |
3345 | * IDC lock must be held upon entry | |
3346 | * | |
3347 | * Return: void | |
3348 | */ | |
3349 | ||
3350 | static void | |
3351 | qla82xx_need_qsnt_handler(scsi_qla_host_t *vha) | |
3352 | { | |
3353 | struct qla_hw_data *ha = vha->hw; | |
3354 | uint32_t dev_state, drv_state, drv_active; | |
3355 | unsigned long reset_timeout; | |
3356 | ||
3357 | if (vha->flags.online) { | |
3358 | /*Block any further I/O and wait for pending cmnds to complete*/ | |
3359 | qla82xx_quiescent_state_cleanup(vha); | |
3360 | } | |
3361 | ||
3362 | /* Set the quiescence ready bit */ | |
3363 | qla82xx_set_qsnt_ready(ha); | |
3364 | ||
3365 | /*wait for 30 secs for other functions to ack */ | |
3366 | reset_timeout = jiffies + (30 * HZ); | |
3367 | ||
3368 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
3369 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); | |
3370 | /* Its 2 that is written when qsnt is acked, moving one bit */ | |
3371 | drv_active = drv_active << 0x01; | |
3372 | ||
3373 | while (drv_state != drv_active) { | |
3374 | ||
3375 | if (time_after_eq(jiffies, reset_timeout)) { | |
3376 | /* quiescence timeout, other functions didn't ack | |
3377 | * changing the state to DEV_READY | |
3378 | */ | |
3379 | qla_printk(KERN_INFO, ha, | |
3380 | "%s: QUIESCENT TIMEOUT\n", QLA2XXX_DRIVER_NAME); | |
3381 | qla_printk(KERN_INFO, ha, | |
3382 | "DRV_ACTIVE:%d DRV_STATE:%d\n", drv_active, | |
3383 | drv_state); | |
3384 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
3385 | QLA82XX_DEV_READY); | |
3386 | qla_printk(KERN_INFO, ha, | |
3387 | "HW State: DEV_READY\n"); | |
3388 | qla82xx_idc_unlock(ha); | |
3389 | qla2x00_perform_loop_resync(vha); | |
3390 | qla82xx_idc_lock(ha); | |
3391 | ||
3392 | qla82xx_clear_qsnt_ready(vha); | |
3393 | return; | |
3394 | } | |
3395 | ||
3396 | qla82xx_idc_unlock(ha); | |
3397 | msleep(1000); | |
3398 | qla82xx_idc_lock(ha); | |
3399 | ||
3400 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
3401 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); | |
3402 | drv_active = drv_active << 0x01; | |
3403 | } | |
3404 | dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
3405 | /* everyone acked so set the state to DEV_QUIESCENCE */ | |
3406 | if (dev_state == QLA82XX_DEV_NEED_QUIESCENT) { | |
3407 | qla_printk(KERN_INFO, ha, "HW State: DEV_QUIESCENT\n"); | |
3408 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_QUIESCENT); | |
3409 | } | |
3410 | } | |
3411 | ||
3412 | /* | |
3413 | * qla82xx_wait_for_state_change | |
3414 | * Wait for device state to change from given current state | |
3415 | * | |
3416 | * Note: | |
3417 | * IDC lock must not be held upon entry | |
3418 | * | |
3419 | * Return: | |
3420 | * Changed device state. | |
3421 | */ | |
3422 | uint32_t | |
3423 | qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state) | |
3424 | { | |
3425 | struct qla_hw_data *ha = vha->hw; | |
3426 | uint32_t dev_state; | |
3427 | ||
3428 | do { | |
3429 | msleep(1000); | |
3430 | qla82xx_idc_lock(ha); | |
3431 | dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
3432 | qla82xx_idc_unlock(ha); | |
3433 | } while (dev_state == curr_state); | |
3434 | ||
3435 | return dev_state; | |
3436 | } | |
3437 | ||
a9083016 GM |
3438 | static void |
3439 | qla82xx_dev_failed_handler(scsi_qla_host_t *vha) | |
3440 | { | |
3441 | struct qla_hw_data *ha = vha->hw; | |
3442 | ||
3443 | /* Disable the board */ | |
3444 | qla_printk(KERN_INFO, ha, "Disabling the board\n"); | |
3445 | ||
b963752f GM |
3446 | qla82xx_idc_lock(ha); |
3447 | qla82xx_clear_drv_active(ha); | |
3448 | qla82xx_idc_unlock(ha); | |
3449 | ||
a9083016 GM |
3450 | /* Set DEV_FAILED flag to disable timer */ |
3451 | vha->device_flags |= DFLG_DEV_FAILED; | |
3452 | qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); | |
3453 | qla2x00_mark_all_devices_lost(vha, 0); | |
3454 | vha->flags.online = 0; | |
3455 | vha->flags.init_done = 0; | |
3456 | } | |
3457 | ||
3458 | /* | |
3459 | * qla82xx_need_reset_handler | |
3460 | * Code to start reset sequence | |
3461 | * | |
3462 | * Note: | |
3463 | * IDC lock must be held upon entry | |
3464 | * | |
3465 | * Return: | |
3466 | * Success : 0 | |
3467 | * Failed : 1 | |
3468 | */ | |
3469 | static void | |
3470 | qla82xx_need_reset_handler(scsi_qla_host_t *vha) | |
3471 | { | |
3472 | uint32_t dev_state, drv_state, drv_active; | |
3473 | unsigned long reset_timeout; | |
3474 | struct qla_hw_data *ha = vha->hw; | |
3475 | struct req_que *req = ha->req_q_map[0]; | |
3476 | ||
3477 | if (vha->flags.online) { | |
3478 | qla82xx_idc_unlock(ha); | |
3479 | qla2x00_abort_isp_cleanup(vha); | |
3480 | ha->isp_ops->get_flash_version(vha, req->ring); | |
3481 | ha->isp_ops->nvram_config(vha); | |
3482 | qla82xx_idc_lock(ha); | |
3483 | } | |
3484 | ||
3485 | qla82xx_set_rst_ready(ha); | |
3486 | ||
3487 | /* wait for 10 seconds for reset ack from all functions */ | |
3488 | reset_timeout = jiffies + (ha->nx_reset_timeout * HZ); | |
3489 | ||
3490 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
3491 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); | |
3492 | ||
3493 | while (drv_state != drv_active) { | |
3494 | if (time_after_eq(jiffies, reset_timeout)) { | |
3495 | qla_printk(KERN_INFO, ha, | |
3496 | "%s: RESET TIMEOUT!\n", QLA2XXX_DRIVER_NAME); | |
3497 | break; | |
3498 | } | |
3499 | qla82xx_idc_unlock(ha); | |
3500 | msleep(1000); | |
3501 | qla82xx_idc_lock(ha); | |
3502 | drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); | |
3503 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); | |
3504 | } | |
3505 | ||
3506 | dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
f1af6208 GM |
3507 | qla_printk(KERN_INFO, ha, "3:Device state is 0x%x = %s\n", dev_state, |
3508 | dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); | |
3509 | ||
a9083016 GM |
3510 | /* Force to DEV_COLD unless someone else is starting a reset */ |
3511 | if (dev_state != QLA82XX_DEV_INITIALIZING) { | |
3512 | qla_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n"); | |
3513 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD); | |
3514 | } | |
3515 | } | |
3516 | ||
7190575f | 3517 | int |
a9083016 GM |
3518 | qla82xx_check_fw_alive(scsi_qla_host_t *vha) |
3519 | { | |
7190575f GM |
3520 | uint32_t fw_heartbeat_counter; |
3521 | int status = 0; | |
a9083016 | 3522 | |
7190575f GM |
3523 | fw_heartbeat_counter = qla82xx_rd_32(vha->hw, |
3524 | QLA82XX_PEG_ALIVE_COUNTER); | |
a5b36321 LC |
3525 | /* all 0xff, assume AER/EEH in progress, ignore */ |
3526 | if (fw_heartbeat_counter == 0xffffffff) | |
7190575f | 3527 | return status; |
a9083016 GM |
3528 | if (vha->fw_heartbeat_counter == fw_heartbeat_counter) { |
3529 | vha->seconds_since_last_heartbeat++; | |
3530 | /* FW not alive after 2 seconds */ | |
3531 | if (vha->seconds_since_last_heartbeat == 2) { | |
3532 | vha->seconds_since_last_heartbeat = 0; | |
7190575f | 3533 | status = 1; |
a9083016 | 3534 | } |
efa786cc LC |
3535 | } else |
3536 | vha->seconds_since_last_heartbeat = 0; | |
a9083016 | 3537 | vha->fw_heartbeat_counter = fw_heartbeat_counter; |
7190575f | 3538 | return status; |
a9083016 GM |
3539 | } |
3540 | ||
3541 | /* | |
3542 | * qla82xx_device_state_handler | |
3543 | * Main state handler | |
3544 | * | |
3545 | * Note: | |
3546 | * IDC lock must be held upon entry | |
3547 | * | |
3548 | * Return: | |
3549 | * Success : 0 | |
3550 | * Failed : 1 | |
3551 | */ | |
3552 | int | |
3553 | qla82xx_device_state_handler(scsi_qla_host_t *vha) | |
3554 | { | |
3555 | uint32_t dev_state; | |
92dbf273 | 3556 | uint32_t old_dev_state; |
a9083016 GM |
3557 | int rval = QLA_SUCCESS; |
3558 | unsigned long dev_init_timeout; | |
3559 | struct qla_hw_data *ha = vha->hw; | |
92dbf273 | 3560 | int loopcount = 0; |
a9083016 GM |
3561 | |
3562 | qla82xx_idc_lock(ha); | |
3563 | if (!vha->flags.init_done) | |
3564 | qla82xx_set_drv_active(vha); | |
3565 | ||
f1af6208 | 3566 | dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); |
92dbf273 | 3567 | old_dev_state = dev_state; |
f1af6208 GM |
3568 | qla_printk(KERN_INFO, ha, "1:Device state is 0x%x = %s\n", dev_state, |
3569 | dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); | |
a9083016 GM |
3570 | |
3571 | /* wait for 30 seconds for device to go ready */ | |
3572 | dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ); | |
3573 | ||
3574 | while (1) { | |
3575 | ||
3576 | if (time_after_eq(jiffies, dev_init_timeout)) { | |
3577 | DEBUG(qla_printk(KERN_INFO, ha, | |
3578 | "%s: device init failed!\n", | |
3579 | QLA2XXX_DRIVER_NAME)); | |
3580 | rval = QLA_FUNCTION_FAILED; | |
3581 | break; | |
3582 | } | |
3583 | dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
92dbf273 GM |
3584 | if (old_dev_state != dev_state) { |
3585 | loopcount = 0; | |
3586 | old_dev_state = dev_state; | |
3587 | } | |
3588 | if (loopcount < 5) { | |
3589 | qla_printk(KERN_INFO, ha, | |
3590 | "2:Device state is 0x%x = %s\n", dev_state, | |
3591 | dev_state < MAX_STATES ? | |
3592 | qdev_state[dev_state] : "Unknown"); | |
3593 | } | |
f1af6208 | 3594 | |
a9083016 GM |
3595 | switch (dev_state) { |
3596 | case QLA82XX_DEV_READY: | |
3597 | goto exit; | |
3598 | case QLA82XX_DEV_COLD: | |
3599 | rval = qla82xx_device_bootstrap(vha); | |
3600 | goto exit; | |
3601 | case QLA82XX_DEV_INITIALIZING: | |
3602 | qla82xx_idc_unlock(ha); | |
3603 | msleep(1000); | |
3604 | qla82xx_idc_lock(ha); | |
3605 | break; | |
3606 | case QLA82XX_DEV_NEED_RESET: | |
ed0de87c | 3607 | if (!ql2xdontresethba) |
0ce87911 | 3608 | qla82xx_need_reset_handler(vha); |
0060ddf8 GM |
3609 | dev_init_timeout = jiffies + |
3610 | (ha->nx_dev_init_timeout * HZ); | |
a9083016 GM |
3611 | break; |
3612 | case QLA82XX_DEV_NEED_QUIESCENT: | |
579d12b5 SK |
3613 | qla82xx_need_qsnt_handler(vha); |
3614 | /* Reset timeout value after quiescence handler */ | |
3615 | dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ | |
3616 | * HZ); | |
3617 | break; | |
a9083016 | 3618 | case QLA82XX_DEV_QUIESCENT: |
579d12b5 SK |
3619 | /* Owner will exit and other will wait for the state |
3620 | * to get changed | |
3621 | */ | |
3622 | if (ha->flags.quiesce_owner) | |
3623 | goto exit; | |
3624 | ||
a9083016 GM |
3625 | qla82xx_idc_unlock(ha); |
3626 | msleep(1000); | |
3627 | qla82xx_idc_lock(ha); | |
579d12b5 SK |
3628 | |
3629 | /* Reset timeout value after quiescence handler */ | |
3630 | dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ | |
3631 | * HZ); | |
a9083016 GM |
3632 | break; |
3633 | case QLA82XX_DEV_FAILED: | |
3634 | qla82xx_dev_failed_handler(vha); | |
3635 | rval = QLA_FUNCTION_FAILED; | |
3636 | goto exit; | |
3637 | default: | |
3638 | qla82xx_idc_unlock(ha); | |
3639 | msleep(1000); | |
3640 | qla82xx_idc_lock(ha); | |
3641 | } | |
92dbf273 | 3642 | loopcount++; |
a9083016 GM |
3643 | } |
3644 | exit: | |
3645 | qla82xx_idc_unlock(ha); | |
3646 | return rval; | |
3647 | } | |
3648 | ||
3649 | void qla82xx_watchdog(scsi_qla_host_t *vha) | |
3650 | { | |
7190575f | 3651 | uint32_t dev_state, halt_status; |
a9083016 GM |
3652 | struct qla_hw_data *ha = vha->hw; |
3653 | ||
a9083016 | 3654 | /* don't poll if reset is going on */ |
7190575f GM |
3655 | if (!ha->flags.isp82xx_reset_hdlr_active) { |
3656 | dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
3657 | if (dev_state == QLA82XX_DEV_NEED_RESET && | |
3658 | !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) { | |
a9083016 | 3659 | qla_printk(KERN_WARNING, ha, |
24014d04 SK |
3660 | "scsi(%ld) %s: Adapter reset needed!\n", |
3661 | vha->host_no, __func__); | |
a9083016 GM |
3662 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
3663 | qla2xxx_wake_dpc(vha); | |
579d12b5 SK |
3664 | } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT && |
3665 | !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) { | |
3666 | DEBUG(qla_printk(KERN_INFO, ha, | |
3667 | "scsi(%ld) %s - detected quiescence needed\n", | |
3668 | vha->host_no, __func__)); | |
3669 | set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); | |
3670 | qla2xxx_wake_dpc(vha); | |
a9083016 | 3671 | } else { |
7190575f GM |
3672 | if (qla82xx_check_fw_alive(vha)) { |
3673 | halt_status = qla82xx_rd_32(ha, | |
3674 | QLA82XX_PEG_HALT_STATUS1); | |
0e8edb03 GM |
3675 | qla_printk(KERN_INFO, ha, |
3676 | "scsi(%ld): %s, Dumping hw/fw registers:\n " | |
3677 | " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n " | |
3678 | " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n " | |
3679 | " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n " | |
3680 | " PEG_NET_4_PC: 0x%x\n", | |
3681 | vha->host_no, __func__, halt_status, | |
3682 | qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2), | |
3683 | qla82xx_rd_32(ha, | |
3684 | QLA82XX_CRB_PEG_NET_0 + 0x3c), | |
3685 | qla82xx_rd_32(ha, | |
3686 | QLA82XX_CRB_PEG_NET_1 + 0x3c), | |
3687 | qla82xx_rd_32(ha, | |
3688 | QLA82XX_CRB_PEG_NET_2 + 0x3c), | |
3689 | qla82xx_rd_32(ha, | |
3690 | QLA82XX_CRB_PEG_NET_3 + 0x3c), | |
3691 | qla82xx_rd_32(ha, | |
3692 | QLA82XX_CRB_PEG_NET_4 + 0x3c)); | |
7190575f GM |
3693 | if (halt_status & HALT_STATUS_UNRECOVERABLE) { |
3694 | set_bit(ISP_UNRECOVERABLE, | |
3695 | &vha->dpc_flags); | |
3696 | } else { | |
3697 | qla_printk(KERN_INFO, ha, | |
3698 | "scsi(%ld): %s - detect abort needed\n", | |
3699 | vha->host_no, __func__); | |
3700 | set_bit(ISP_ABORT_NEEDED, | |
3701 | &vha->dpc_flags); | |
3702 | } | |
3703 | qla2xxx_wake_dpc(vha); | |
3704 | ha->flags.isp82xx_fw_hung = 1; | |
3705 | if (ha->flags.mbox_busy) { | |
3706 | ha->flags.mbox_int = 1; | |
3707 | DEBUG2(qla_printk(KERN_ERR, ha, | |
24014d04 SK |
3708 | "scsi(%ld) Due to fw hung, doing " |
3709 | "premature completion of mbx " | |
3710 | "command\n", vha->host_no)); | |
7190575f GM |
3711 | if (test_bit(MBX_INTR_WAIT, |
3712 | &ha->mbx_cmd_flags)) | |
3713 | complete(&ha->mbx_intr_comp); | |
3714 | } | |
3715 | } | |
a9083016 GM |
3716 | } |
3717 | } | |
3718 | } | |
3719 | ||
3720 | int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) | |
3721 | { | |
3722 | int rval; | |
3723 | rval = qla82xx_device_state_handler(vha); | |
3724 | return rval; | |
3725 | } | |
3726 | ||
3727 | /* | |
3728 | * qla82xx_abort_isp | |
3729 | * Resets ISP and aborts all outstanding commands. | |
3730 | * | |
3731 | * Input: | |
3732 | * ha = adapter block pointer. | |
3733 | * | |
3734 | * Returns: | |
3735 | * 0 = success | |
3736 | */ | |
3737 | int | |
3738 | qla82xx_abort_isp(scsi_qla_host_t *vha) | |
3739 | { | |
3740 | int rval; | |
3741 | struct qla_hw_data *ha = vha->hw; | |
3742 | uint32_t dev_state; | |
3743 | ||
3744 | if (vha->device_flags & DFLG_DEV_FAILED) { | |
3745 | qla_printk(KERN_WARNING, ha, | |
3746 | "%s(%ld): Device in failed state, " | |
3747 | "Exiting.\n", __func__, vha->host_no); | |
3748 | return QLA_SUCCESS; | |
3749 | } | |
7190575f | 3750 | ha->flags.isp82xx_reset_hdlr_active = 1; |
a9083016 GM |
3751 | |
3752 | qla82xx_idc_lock(ha); | |
3753 | dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
f1af6208 | 3754 | if (dev_state == QLA82XX_DEV_READY) { |
a9083016 GM |
3755 | qla_printk(KERN_INFO, ha, "HW State: NEED RESET\n"); |
3756 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
3757 | QLA82XX_DEV_NEED_RESET); | |
3758 | } else | |
f1af6208 GM |
3759 | qla_printk(KERN_INFO, ha, "HW State: %s\n", |
3760 | dev_state < MAX_STATES ? | |
3761 | qdev_state[dev_state] : "Unknown"); | |
a9083016 GM |
3762 | qla82xx_idc_unlock(ha); |
3763 | ||
3764 | rval = qla82xx_device_state_handler(vha); | |
3765 | ||
3766 | qla82xx_idc_lock(ha); | |
3767 | qla82xx_clear_rst_ready(ha); | |
3768 | qla82xx_idc_unlock(ha); | |
3769 | ||
cdbb0a4f | 3770 | if (rval == QLA_SUCCESS) { |
7190575f GM |
3771 | ha->flags.isp82xx_fw_hung = 0; |
3772 | ha->flags.isp82xx_reset_hdlr_active = 0; | |
a9083016 | 3773 | qla82xx_restart_isp(vha); |
cdbb0a4f | 3774 | } |
f1af6208 GM |
3775 | |
3776 | if (rval) { | |
3777 | vha->flags.online = 1; | |
3778 | if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { | |
3779 | if (ha->isp_abort_cnt == 0) { | |
3780 | qla_printk(KERN_WARNING, ha, | |
3781 | "ISP error recovery failed - " | |
3782 | "board disabled\n"); | |
3783 | /* | |
3784 | * The next call disables the board | |
3785 | * completely. | |
3786 | */ | |
3787 | ha->isp_ops->reset_adapter(vha); | |
3788 | vha->flags.online = 0; | |
3789 | clear_bit(ISP_ABORT_RETRY, | |
3790 | &vha->dpc_flags); | |
3791 | rval = QLA_SUCCESS; | |
3792 | } else { /* schedule another ISP abort */ | |
3793 | ha->isp_abort_cnt--; | |
3794 | DEBUG(qla_printk(KERN_INFO, ha, | |
3795 | "qla%ld: ISP abort - retry remaining %d\n", | |
3796 | vha->host_no, ha->isp_abort_cnt)); | |
3797 | rval = QLA_FUNCTION_FAILED; | |
3798 | } | |
3799 | } else { | |
3800 | ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; | |
3801 | DEBUG(qla_printk(KERN_INFO, ha, | |
3802 | "(%ld): ISP error recovery - retrying (%d) " | |
3803 | "more times\n", vha->host_no, ha->isp_abort_cnt)); | |
3804 | set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); | |
3805 | rval = QLA_FUNCTION_FAILED; | |
3806 | } | |
3807 | } | |
a9083016 GM |
3808 | return rval; |
3809 | } | |
3810 | ||
3811 | /* | |
3812 | * qla82xx_fcoe_ctx_reset | |
3813 | * Perform a quick reset and aborts all outstanding commands. | |
3814 | * This will only perform an FCoE context reset and avoids a full blown | |
3815 | * chip reset. | |
3816 | * | |
3817 | * Input: | |
3818 | * ha = adapter block pointer. | |
3819 | * is_reset_path = flag for identifying the reset path. | |
3820 | * | |
3821 | * Returns: | |
3822 | * 0 = success | |
3823 | */ | |
3824 | int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha) | |
3825 | { | |
3826 | int rval = QLA_FUNCTION_FAILED; | |
3827 | ||
3828 | if (vha->flags.online) { | |
3829 | /* Abort all outstanding commands, so as to be requeued later */ | |
3830 | qla2x00_abort_isp_cleanup(vha); | |
3831 | } | |
3832 | ||
3833 | /* Stop currently executing firmware. | |
3834 | * This will destroy existing FCoE context at the F/W end. | |
3835 | */ | |
3836 | qla2x00_try_to_stop_firmware(vha); | |
3837 | ||
3838 | /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */ | |
3839 | rval = qla82xx_restart_isp(vha); | |
3840 | ||
3841 | return rval; | |
3842 | } | |
3843 | ||
3844 | /* | |
3845 | * qla2x00_wait_for_fcoe_ctx_reset | |
3846 | * Wait till the FCoE context is reset. | |
3847 | * | |
3848 | * Note: | |
3849 | * Does context switching here. | |
3850 | * Release SPIN_LOCK (if any) before calling this routine. | |
3851 | * | |
3852 | * Return: | |
3853 | * Success (fcoe_ctx reset is done) : 0 | |
3854 | * Failed (fcoe_ctx reset not completed within max loop timout ) : 1 | |
3855 | */ | |
3856 | int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha) | |
3857 | { | |
3858 | int status = QLA_FUNCTION_FAILED; | |
3859 | unsigned long wait_reset; | |
3860 | ||
3861 | wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); | |
3862 | while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || | |
3863 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) | |
3864 | && time_before(jiffies, wait_reset)) { | |
3865 | ||
3866 | set_current_state(TASK_UNINTERRUPTIBLE); | |
3867 | schedule_timeout(HZ); | |
3868 | ||
3869 | if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) && | |
3870 | !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { | |
3871 | status = QLA_SUCCESS; | |
3872 | break; | |
3873 | } | |
3874 | } | |
3875 | DEBUG2(printk(KERN_INFO | |
3876 | "%s status=%d\n", __func__, status)); | |
3877 | ||
3878 | return status; | |
3879 | } | |
7190575f GM |
3880 | |
3881 | void | |
3882 | qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) | |
3883 | { | |
3884 | int i; | |
3885 | unsigned long flags; | |
3886 | struct qla_hw_data *ha = vha->hw; | |
3887 | ||
3888 | /* Check if 82XX firmware is alive or not | |
3889 | * We may have arrived here from NEED_RESET | |
3890 | * detection only | |
3891 | */ | |
3892 | if (!ha->flags.isp82xx_fw_hung) { | |
3893 | for (i = 0; i < 2; i++) { | |
3894 | msleep(1000); | |
3895 | if (qla82xx_check_fw_alive(vha)) { | |
3896 | ha->flags.isp82xx_fw_hung = 1; | |
3897 | if (ha->flags.mbox_busy) { | |
3898 | ha->flags.mbox_int = 1; | |
3899 | complete(&ha->mbx_intr_comp); | |
3900 | } | |
3901 | break; | |
3902 | } | |
3903 | } | |
3904 | } | |
3905 | ||
3906 | /* Abort all commands gracefully if fw NOT hung */ | |
3907 | if (!ha->flags.isp82xx_fw_hung) { | |
3908 | int cnt, que; | |
3909 | srb_t *sp; | |
3910 | struct req_que *req; | |
3911 | ||
3912 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3913 | for (que = 0; que < ha->max_req_queues; que++) { | |
3914 | req = ha->req_q_map[que]; | |
3915 | if (!req) | |
3916 | continue; | |
3917 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
3918 | sp = req->outstanding_cmds[cnt]; | |
3919 | if (sp) { | |
3920 | if (!sp->ctx || | |
3921 | (sp->flags & SRB_FCP_CMND_DMA_VALID)) { | |
3922 | spin_unlock_irqrestore( | |
3923 | &ha->hardware_lock, flags); | |
3924 | if (ha->isp_ops->abort_command(sp)) { | |
3925 | qla_printk(KERN_INFO, ha, | |
3926 | "scsi(%ld): mbx abort command failed in %s\n", | |
3927 | vha->host_no, __func__); | |
3928 | } else { | |
3929 | qla_printk(KERN_INFO, ha, | |
3930 | "scsi(%ld): mbx abort command success in %s\n", | |
3931 | vha->host_no, __func__); | |
3932 | } | |
3933 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3934 | } | |
3935 | } | |
3936 | } | |
3937 | } | |
3938 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3939 | ||
3940 | /* Wait for pending cmds (physical and virtual) to complete */ | |
3941 | if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0, | |
3942 | WAIT_HOST) == QLA_SUCCESS) { | |
3943 | DEBUG2(qla_printk(KERN_INFO, ha, | |
3944 | "Done wait for pending commands\n")); | |
3945 | } | |
3946 | } | |
3947 | } |