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include: replace linux/module.h with "struct module" wherever possible
[linux-2.6/next.git] / drivers / scsi / qla2xxx / qla_nx.c
blob5cbf33a50b14415eed6b5101cba7f2d17080fccc
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
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>
10 #include <scsi/scsi_tcq.h>
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))
23 #define BLOCK_PROTECT_BITS 0x0F
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
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
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
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 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
352
353 ha->crb_win = CRB_HI(*off);
354 writel(ha->crb_win,
355 (void *)(CRB_WINDOW_2M + ha->nx_pcibase));
356
357 /* Read back value to make sure write has gone through before trying
358 * to use it.
359 */
360 win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
361 if (win_read != ha->crb_win) {
362 ql_dbg(ql_dbg_p3p, vha, 0xb000,
363 "%s: Written crbwin (0x%x) "
364 "!= Read crbwin (0x%x), off=0x%lx.\n",
365 ha->crb_win, win_read, *off);
366 }
367 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
368 }
369
370 static inline unsigned long
371 qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
372 {
373 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
374 /* See if we are currently pointing to the region we want to use next */
375 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
376 /* No need to change window. PCIX and PCIEregs are in both
377 * regs are in both windows.
378 */
379 return off;
380 }
381
382 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
383 /* We are in first CRB window */
384 if (ha->curr_window != 0)
385 WARN_ON(1);
386 return off;
387 }
388
389 if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
390 /* We are in second CRB window */
391 off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
392
393 if (ha->curr_window != 1)
394 return off;
395
396 /* We are in the QM or direct access
397 * register region - do nothing
398 */
399 if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
400 (off < QLA82XX_PCI_CAMQM_MAX))
401 return off;
402 }
403 /* strange address given */
404 ql_dbg(ql_dbg_p3p, vha, 0xb001,
405 "%x: Warning: unm_nic_pci_set_crbwindow "
406 "called with an unknown address(%llx).\n",
407 QLA2XXX_DRIVER_NAME, off);
408 return off;
409 }
410
411 static int
412 qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off)
413 {
414 struct crb_128M_2M_sub_block_map *m;
415
416 if (*off >= QLA82XX_CRB_MAX)
417 return -1;
418
419 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
420 *off = (*off - QLA82XX_PCI_CAMQM) +
421 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
422 return 0;
423 }
424
425 if (*off < QLA82XX_PCI_CRBSPACE)
426 return -1;
427
428 *off -= QLA82XX_PCI_CRBSPACE;
429
430 /* Try direct map */
431 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
432
433 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
434 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
435 return 0;
436 }
437 /* Not in direct map, use crb window */
438 return 1;
439 }
440
441 #define CRB_WIN_LOCK_TIMEOUT 100000000
442 static int qla82xx_crb_win_lock(struct qla_hw_data *ha)
443 {
444 int done = 0, timeout = 0;
445
446 while (!done) {
447 /* acquire semaphore3 from PCI HW block */
448 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
449 if (done == 1)
450 break;
451 if (timeout >= CRB_WIN_LOCK_TIMEOUT)
452 return -1;
453 timeout++;
454 }
455 qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
456 return 0;
457 }
458
459 int
460 qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data)
461 {
462 unsigned long flags = 0;
463 int rv;
464
465 rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
466
467 BUG_ON(rv == -1);
468
469 if (rv == 1) {
470 write_lock_irqsave(&ha->hw_lock, flags);
471 qla82xx_crb_win_lock(ha);
472 qla82xx_pci_set_crbwindow_2M(ha, &off);
473 }
474
475 writel(data, (void __iomem *)off);
476
477 if (rv == 1) {
478 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
479 write_unlock_irqrestore(&ha->hw_lock, flags);
480 }
481 return 0;
482 }
483
484 int
485 qla82xx_rd_32(struct qla_hw_data *ha, ulong off)
486 {
487 unsigned long flags = 0;
488 int rv;
489 u32 data;
490
491 rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
492
493 BUG_ON(rv == -1);
494
495 if (rv == 1) {
496 write_lock_irqsave(&ha->hw_lock, flags);
497 qla82xx_crb_win_lock(ha);
498 qla82xx_pci_set_crbwindow_2M(ha, &off);
499 }
500 data = RD_REG_DWORD((void __iomem *)off);
501
502 if (rv == 1) {
503 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
504 write_unlock_irqrestore(&ha->hw_lock, flags);
505 }
506 return data;
507 }
508
509 #define IDC_LOCK_TIMEOUT 100000000
510 int qla82xx_idc_lock(struct qla_hw_data *ha)
511 {
512 int i;
513 int done = 0, timeout = 0;
514
515 while (!done) {
516 /* acquire semaphore5 from PCI HW block */
517 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
518 if (done == 1)
519 break;
520 if (timeout >= IDC_LOCK_TIMEOUT)
521 return -1;
522
523 timeout++;
524
525 /* Yield CPU */
526 if (!in_interrupt())
527 schedule();
528 else {
529 for (i = 0; i < 20; i++)
530 cpu_relax();
531 }
532 }
533
534 return 0;
535 }
536
537 void qla82xx_idc_unlock(struct qla_hw_data *ha)
538 {
539 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
540 }
541
542 /* PCI Windowing for DDR regions. */
543 #define QLA82XX_ADDR_IN_RANGE(addr, low, high) \
544 (((addr) <= (high)) && ((addr) >= (low)))
545 /*
546 * check memory access boundary.
547 * used by test agent. support ddr access only for now
548 */
549 static unsigned long
550 qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
551 unsigned long long addr, int size)
552 {
553 if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
554 QLA82XX_ADDR_DDR_NET_MAX) ||
555 !QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET,
556 QLA82XX_ADDR_DDR_NET_MAX) ||
557 ((size != 1) && (size != 2) && (size != 4) && (size != 8)))
558 return 0;
559 else
560 return 1;
561 }
562
563 int qla82xx_pci_set_window_warning_count;
564
565 static unsigned long
566 qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
567 {
568 int window;
569 u32 win_read;
570 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
571
572 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
573 QLA82XX_ADDR_DDR_NET_MAX)) {
574 /* DDR network side */
575 window = MN_WIN(addr);
576 ha->ddr_mn_window = window;
577 qla82xx_wr_32(ha,
578 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
579 win_read = qla82xx_rd_32(ha,
580 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
581 if ((win_read << 17) != window) {
582 ql_dbg(ql_dbg_p3p, vha, 0xb003,
583 "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n",
584 __func__, window, win_read);
585 }
586 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
587 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
588 QLA82XX_ADDR_OCM0_MAX)) {
589 unsigned int temp1;
590 if ((addr & 0x00ff800) == 0xff800) {
591 ql_log(ql_log_warn, vha, 0xb004,
592 "%s: QM access not handled.\n", __func__);
593 addr = -1UL;
594 }
595 window = OCM_WIN(addr);
596 ha->ddr_mn_window = window;
597 qla82xx_wr_32(ha,
598 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
599 win_read = qla82xx_rd_32(ha,
600 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
601 temp1 = ((window & 0x1FF) << 7) |
602 ((window & 0x0FFFE0000) >> 17);
603 if (win_read != temp1) {
604 ql_log(ql_log_warn, vha, 0xb005,
605 "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n",
606 __func__, temp1, win_read);
607 }
608 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
609
610 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
611 QLA82XX_P3_ADDR_QDR_NET_MAX)) {
612 /* QDR network side */
613 window = MS_WIN(addr);
614 ha->qdr_sn_window = window;
615 qla82xx_wr_32(ha,
616 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
617 win_read = qla82xx_rd_32(ha,
618 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
619 if (win_read != window) {
620 ql_log(ql_log_warn, vha, 0xb006,
621 "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n",
622 __func__, window, win_read);
623 }
624 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
625 } else {
626 /*
627 * peg gdb frequently accesses memory that doesn't exist,
628 * this limits the chit chat so debugging isn't slowed down.
629 */
630 if ((qla82xx_pci_set_window_warning_count++ < 8) ||
631 (qla82xx_pci_set_window_warning_count%64 == 0)) {
632 ql_log(ql_log_warn, vha, 0xb007,
633 "%s: Warning:%s Unknown address range!.\n",
634 __func__, QLA2XXX_DRIVER_NAME);
635 }
636 addr = -1UL;
637 }
638 return addr;
639 }
640
641 /* check if address is in the same windows as the previous access */
642 static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
643 unsigned long long addr)
644 {
645 int window;
646 unsigned long long qdr_max;
647
648 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
649
650 /* DDR network side */
651 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
652 QLA82XX_ADDR_DDR_NET_MAX))
653 BUG();
654 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
655 QLA82XX_ADDR_OCM0_MAX))
656 return 1;
657 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1,
658 QLA82XX_ADDR_OCM1_MAX))
659 return 1;
660 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
661 /* QDR network side */
662 window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
663 if (ha->qdr_sn_window == window)
664 return 1;
665 }
666 return 0;
667 }
668
669 static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
670 u64 off, void *data, int size)
671 {
672 unsigned long flags;
673 void *addr = NULL;
674 int ret = 0;
675 u64 start;
676 uint8_t *mem_ptr = NULL;
677 unsigned long mem_base;
678 unsigned long mem_page;
679 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
680
681 write_lock_irqsave(&ha->hw_lock, flags);
682
683 /*
684 * If attempting to access unknown address or straddle hw windows,
685 * do not access.
686 */
687 start = qla82xx_pci_set_window(ha, off);
688 if ((start == -1UL) ||
689 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
690 write_unlock_irqrestore(&ha->hw_lock, flags);
691 ql_log(ql_log_fatal, vha, 0xb008,
692 "%s out of bound pci memory "
693 "access, offset is 0x%llx.\n",
694 QLA2XXX_DRIVER_NAME, off);
695 return -1;
696 }
697
698 write_unlock_irqrestore(&ha->hw_lock, flags);
699 mem_base = pci_resource_start(ha->pdev, 0);
700 mem_page = start & PAGE_MASK;
701 /* Map two pages whenever user tries to access addresses in two
702 * consecutive pages.
703 */
704 if (mem_page != ((start + size - 1) & PAGE_MASK))
705 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
706 else
707 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
708 if (mem_ptr == 0UL) {
709 *(u8 *)data = 0;
710 return -1;
711 }
712 addr = mem_ptr;
713 addr += start & (PAGE_SIZE - 1);
714 write_lock_irqsave(&ha->hw_lock, flags);
715
716 switch (size) {
717 case 1:
718 *(u8 *)data = readb(addr);
719 break;
720 case 2:
721 *(u16 *)data = readw(addr);
722 break;
723 case 4:
724 *(u32 *)data = readl(addr);
725 break;
726 case 8:
727 *(u64 *)data = readq(addr);
728 break;
729 default:
730 ret = -1;
731 break;
732 }
733 write_unlock_irqrestore(&ha->hw_lock, flags);
734
735 if (mem_ptr)
736 iounmap(mem_ptr);
737 return ret;
738 }
739
740 static int
741 qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
742 u64 off, void *data, int size)
743 {
744 unsigned long flags;
745 void *addr = NULL;
746 int ret = 0;
747 u64 start;
748 uint8_t *mem_ptr = NULL;
749 unsigned long mem_base;
750 unsigned long mem_page;
751 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
752
753 write_lock_irqsave(&ha->hw_lock, flags);
754
755 /*
756 * If attempting to access unknown address or straddle hw windows,
757 * do not access.
758 */
759 start = qla82xx_pci_set_window(ha, off);
760 if ((start == -1UL) ||
761 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
762 write_unlock_irqrestore(&ha->hw_lock, flags);
763 ql_log(ql_log_fatal, vha, 0xb009,
764 "%s out of bount memory "
765 "access, offset is 0x%llx.\n",
766 QLA2XXX_DRIVER_NAME, off);
767 return -1;
768 }
769
770 write_unlock_irqrestore(&ha->hw_lock, flags);
771 mem_base = pci_resource_start(ha->pdev, 0);
772 mem_page = start & PAGE_MASK;
773 /* Map two pages whenever user tries to access addresses in two
774 * consecutive pages.
775 */
776 if (mem_page != ((start + size - 1) & PAGE_MASK))
777 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
778 else
779 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
780 if (mem_ptr == 0UL)
781 return -1;
782
783 addr = mem_ptr;
784 addr += start & (PAGE_SIZE - 1);
785 write_lock_irqsave(&ha->hw_lock, flags);
786
787 switch (size) {
788 case 1:
789 writeb(*(u8 *)data, addr);
790 break;
791 case 2:
792 writew(*(u16 *)data, addr);
793 break;
794 case 4:
795 writel(*(u32 *)data, addr);
796 break;
797 case 8:
798 writeq(*(u64 *)data, addr);
799 break;
800 default:
801 ret = -1;
802 break;
803 }
804 write_unlock_irqrestore(&ha->hw_lock, flags);
805 if (mem_ptr)
806 iounmap(mem_ptr);
807 return ret;
808 }
809
810 #define MTU_FUDGE_FACTOR 100
811 static unsigned long
812 qla82xx_decode_crb_addr(unsigned long addr)
813 {
814 int i;
815 unsigned long base_addr, offset, pci_base;
816
817 if (!qla82xx_crb_table_initialized)
818 qla82xx_crb_addr_transform_setup();
819
820 pci_base = ADDR_ERROR;
821 base_addr = addr & 0xfff00000;
822 offset = addr & 0x000fffff;
823
824 for (i = 0; i < MAX_CRB_XFORM; i++) {
825 if (crb_addr_xform[i] == base_addr) {
826 pci_base = i << 20;
827 break;
828 }
829 }
830 if (pci_base == ADDR_ERROR)
831 return pci_base;
832 return pci_base + offset;
833 }
834
835 static long rom_max_timeout = 100;
836 static long qla82xx_rom_lock_timeout = 100;
837
838 static int
839 qla82xx_rom_lock(struct qla_hw_data *ha)
840 {
841 int done = 0, timeout = 0;
842
843 while (!done) {
844 /* acquire semaphore2 from PCI HW block */
845 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
846 if (done == 1)
847 break;
848 if (timeout >= qla82xx_rom_lock_timeout)
849 return -1;
850 timeout++;
851 }
852 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
853 return 0;
854 }
855
856 static void
857 qla82xx_rom_unlock(struct qla_hw_data *ha)
858 {
859 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
860 }
861
862 static int
863 qla82xx_wait_rom_busy(struct qla_hw_data *ha)
864 {
865 long timeout = 0;
866 long done = 0 ;
867 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
868
869 while (done == 0) {
870 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
871 done &= 4;
872 timeout++;
873 if (timeout >= rom_max_timeout) {
874 ql_dbg(ql_dbg_p3p, vha, 0xb00a,
875 "%s: Timeout reached waiting for rom busy.\n",
876 QLA2XXX_DRIVER_NAME);
877 return -1;
878 }
879 }
880 return 0;
881 }
882
883 static int
884 qla82xx_wait_rom_done(struct qla_hw_data *ha)
885 {
886 long timeout = 0;
887 long done = 0 ;
888 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
889
890 while (done == 0) {
891 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
892 done &= 2;
893 timeout++;
894 if (timeout >= rom_max_timeout) {
895 ql_dbg(ql_dbg_p3p, vha, 0xb00b,
896 "%s: Timeout reached waiting for rom done.\n",
897 QLA2XXX_DRIVER_NAME);
898 return -1;
899 }
900 }
901 return 0;
902 }
903
904 static int
905 qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
906 {
907 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
908
909 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
910 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
911 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
912 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb);
913 qla82xx_wait_rom_busy(ha);
914 if (qla82xx_wait_rom_done(ha)) {
915 ql_log(ql_log_fatal, vha, 0x00ba,
916 "Error waiting for rom done.\n");
917 return -1;
918 }
919 /* Reset abyte_cnt and dummy_byte_cnt */
920 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
921 udelay(10);
922 cond_resched();
923 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
924 *valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
925 return 0;
926 }
927
928 static int
929 qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
930 {
931 int ret, loops = 0;
932 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
933
934 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
935 udelay(100);
936 schedule();
937 loops++;
938 }
939 if (loops >= 50000) {
940 ql_log(ql_log_fatal, vha, 0x00b9,
941 "Failed to aquire SEM2 lock.\n");
942 return -1;
943 }
944 ret = qla82xx_do_rom_fast_read(ha, addr, valp);
945 qla82xx_rom_unlock(ha);
946 return ret;
947 }
948
949 static int
950 qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
951 {
952 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
953 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
954 qla82xx_wait_rom_busy(ha);
955 if (qla82xx_wait_rom_done(ha)) {
956 ql_log(ql_log_warn, vha, 0xb00c,
957 "Error waiting for rom done.\n");
958 return -1;
959 }
960 *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
961 return 0;
962 }
963
964 static int
965 qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
966 {
967 long timeout = 0;
968 uint32_t done = 1 ;
969 uint32_t val;
970 int ret = 0;
971 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
972
973 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
974 while ((done != 0) && (ret == 0)) {
975 ret = qla82xx_read_status_reg(ha, &val);
976 done = val & 1;
977 timeout++;
978 udelay(10);
979 cond_resched();
980 if (timeout >= 50000) {
981 ql_log(ql_log_warn, vha, 0xb00d,
982 "Timeout reached waiting for write finish.\n");
983 return -1;
984 }
985 }
986 return ret;
987 }
988
989 static int
990 qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
991 {
992 uint32_t val;
993 qla82xx_wait_rom_busy(ha);
994 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
995 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
996 qla82xx_wait_rom_busy(ha);
997 if (qla82xx_wait_rom_done(ha))
998 return -1;
999 if (qla82xx_read_status_reg(ha, &val) != 0)
1000 return -1;
1001 if ((val & 2) != 2)
1002 return -1;
1003 return 0;
1004 }
1005
1006 static int
1007 qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
1008 {
1009 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1010 if (qla82xx_flash_set_write_enable(ha))
1011 return -1;
1012 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
1013 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
1014 if (qla82xx_wait_rom_done(ha)) {
1015 ql_log(ql_log_warn, vha, 0xb00e,
1016 "Error waiting for rom done.\n");
1017 return -1;
1018 }
1019 return qla82xx_flash_wait_write_finish(ha);
1020 }
1021
1022 static int
1023 qla82xx_write_disable_flash(struct qla_hw_data *ha)
1024 {
1025 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1026 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
1027 if (qla82xx_wait_rom_done(ha)) {
1028 ql_log(ql_log_warn, vha, 0xb00f,
1029 "Error waiting for rom done.\n");
1030 return -1;
1031 }
1032 return 0;
1033 }
1034
1035 static int
1036 ql82xx_rom_lock_d(struct qla_hw_data *ha)
1037 {
1038 int loops = 0;
1039 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1040
1041 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
1042 udelay(100);
1043 cond_resched();
1044 loops++;
1045 }
1046 if (loops >= 50000) {
1047 ql_log(ql_log_warn, vha, 0xb010,
1048 "ROM lock failed.\n");
1049 return -1;
1050 }
1051 return 0;;
1052 }
1053
1054 static int
1055 qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
1056 uint32_t data)
1057 {
1058 int ret = 0;
1059 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1060
1061 ret = ql82xx_rom_lock_d(ha);
1062 if (ret < 0) {
1063 ql_log(ql_log_warn, vha, 0xb011,
1064 "ROM lock failed.\n");
1065 return ret;
1066 }
1067
1068 if (qla82xx_flash_set_write_enable(ha))
1069 goto done_write;
1070
1071 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
1072 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
1073 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
1074 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
1075 qla82xx_wait_rom_busy(ha);
1076 if (qla82xx_wait_rom_done(ha)) {
1077 ql_log(ql_log_warn, vha, 0xb012,
1078 "Error waiting for rom done.\n");
1079 ret = -1;
1080 goto done_write;
1081 }
1082
1083 ret = qla82xx_flash_wait_write_finish(ha);
1084
1085 done_write:
1086 qla82xx_rom_unlock(ha);
1087 return ret;
1088 }
1089
1090 /* This routine does CRB initialize sequence
1091 * to put the ISP into operational state
1092 */
1093 static int
1094 qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
1095 {
1096 int addr, val;
1097 int i ;
1098 struct crb_addr_pair *buf;
1099 unsigned long off;
1100 unsigned offset, n;
1101 struct qla_hw_data *ha = vha->hw;
1102
1103 struct crb_addr_pair {
1104 long addr;
1105 long data;
1106 };
1107
1108 /* Halt all the indiviual PEGs and other blocks of the ISP */
1109 qla82xx_rom_lock(ha);
1110
1111 /* disable all I2Q */
1112 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0);
1113 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0);
1114 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0);
1115 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0);
1116 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0);
1117 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0);
1118
1119 /* disable all niu interrupts */
1120 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
1121 /* disable xge rx/tx */
1122 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
1123 /* disable xg1 rx/tx */
1124 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
1125 /* disable sideband mac */
1126 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00);
1127 /* disable ap0 mac */
1128 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00);
1129 /* disable ap1 mac */
1130 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00);
1131
1132 /* halt sre */
1133 val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
1134 qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
1135
1136 /* halt epg */
1137 qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
1138
1139 /* halt timers */
1140 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
1141 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
1142 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
1143 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
1144 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
1145 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0);
1146
1147 /* halt pegs */
1148 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
1149 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
1150 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
1151 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
1152 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
1153 msleep(20);
1154
1155 /* big hammer */
1156 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
1157 /* don't reset CAM block on reset */
1158 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
1159 else
1160 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
1161
1162 /* reset ms */
1163 val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4);
1164 val |= (1 << 1);
1165 qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val);
1166 msleep(20);
1167
1168 /* unreset ms */
1169 val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4);
1170 val &= ~(1 << 1);
1171 qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val);
1172 msleep(20);
1173
1174 qla82xx_rom_unlock(ha);
1175
1176 /* Read the signature value from the flash.
1177 * Offset 0: Contain signature (0xcafecafe)
1178 * Offset 4: Offset and number of addr/value pairs
1179 * that present in CRB initialize sequence
1180 */
1181 if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
1182 qla82xx_rom_fast_read(ha, 4, &n) != 0) {
1183 ql_log(ql_log_fatal, vha, 0x006e,
1184 "Error Reading crb_init area: n: %08x.\n", n);
1185 return -1;
1186 }
1187
1188 /* Offset in flash = lower 16 bits
1189 * Number of enteries = upper 16 bits
1190 */
1191 offset = n & 0xffffU;
1192 n = (n >> 16) & 0xffffU;
1193
1194 /* number of addr/value pair should not exceed 1024 enteries */
1195 if (n >= 1024) {
1196 ql_log(ql_log_fatal, vha, 0x0071,
1197 "Card flash not initialized:n=0x%x.\n", n);
1198 return -1;
1199 }
1200
1201 ql_log(ql_log_info, vha, 0x0072,
1202 "%d CRB init values found in ROM.\n", n);
1203
1204 buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
1205 if (buf == NULL) {
1206 ql_log(ql_log_fatal, vha, 0x010c,
1207 "Unable to allocate memory.\n");
1208 return -1;
1209 }
1210
1211 for (i = 0; i < n; i++) {
1212 if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
1213 qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
1214 kfree(buf);
1215 return -1;
1216 }
1217
1218 buf[i].addr = addr;
1219 buf[i].data = val;
1220 }
1221
1222 for (i = 0; i < n; i++) {
1223 /* Translate internal CRB initialization
1224 * address to PCI bus address
1225 */
1226 off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
1227 QLA82XX_PCI_CRBSPACE;
1228 /* Not all CRB addr/value pair to be written,
1229 * some of them are skipped
1230 */
1231
1232 /* skipping cold reboot MAGIC */
1233 if (off == QLA82XX_CAM_RAM(0x1fc))
1234 continue;
1235
1236 /* do not reset PCI */
1237 if (off == (ROMUSB_GLB + 0xbc))
1238 continue;
1239
1240 /* skip core clock, so that firmware can increase the clock */
1241 if (off == (ROMUSB_GLB + 0xc8))
1242 continue;
1243
1244 /* skip the function enable register */
1245 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1246 continue;
1247
1248 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1249 continue;
1250
1251 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1252 continue;
1253
1254 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1255 continue;
1256
1257 if (off == ADDR_ERROR) {
1258 ql_log(ql_log_fatal, vha, 0x0116,
1259 "Unknow addr: 0x%08lx.\n", buf[i].addr);
1260 continue;
1261 }
1262
1263 qla82xx_wr_32(ha, off, buf[i].data);
1264
1265 /* ISP requires much bigger delay to settle down,
1266 * else crb_window returns 0xffffffff
1267 */
1268 if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1269 msleep(1000);
1270
1271 /* ISP requires millisec delay between
1272 * successive CRB register updation
1273 */
1274 msleep(1);
1275 }
1276
1277 kfree(buf);
1278
1279 /* Resetting the data and instruction cache */
1280 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1281 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1282 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1283
1284 /* Clear all protocol processing engines */
1285 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1286 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1287 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1288 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1289 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1290 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1291 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1292 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1293 return 0;
1294 }
1295
1296 static int
1297 qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
1298 u64 off, void *data, int size)
1299 {
1300 int i, j, ret = 0, loop, sz[2], off0;
1301 int scale, shift_amount, startword;
1302 uint32_t temp;
1303 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1304
1305 /*
1306 * If not MN, go check for MS or invalid.
1307 */
1308 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1309 mem_crb = QLA82XX_CRB_QDR_NET;
1310 else {
1311 mem_crb = QLA82XX_CRB_DDR_NET;
1312 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1313 return qla82xx_pci_mem_write_direct(ha,
1314 off, data, size);
1315 }
1316
1317 off0 = off & 0x7;
1318 sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1319 sz[1] = size - sz[0];
1320
1321 off8 = off & 0xfffffff0;
1322 loop = (((off & 0xf) + size - 1) >> 4) + 1;
1323 shift_amount = 4;
1324 scale = 2;
1325 startword = (off & 0xf)/8;
1326
1327 for (i = 0; i < loop; i++) {
1328 if (qla82xx_pci_mem_read_2M(ha, off8 +
1329 (i << shift_amount), &word[i * scale], 8))
1330 return -1;
1331 }
1332
1333 switch (size) {
1334 case 1:
1335 tmpw = *((uint8_t *)data);
1336 break;
1337 case 2:
1338 tmpw = *((uint16_t *)data);
1339 break;
1340 case 4:
1341 tmpw = *((uint32_t *)data);
1342 break;
1343 case 8:
1344 default:
1345 tmpw = *((uint64_t *)data);
1346 break;
1347 }
1348
1349 if (sz[0] == 8) {
1350 word[startword] = tmpw;
1351 } else {
1352 word[startword] &=
1353 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1354 word[startword] |= tmpw << (off0 * 8);
1355 }
1356 if (sz[1] != 0) {
1357 word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1358 word[startword+1] |= tmpw >> (sz[0] * 8);
1359 }
1360
1361 for (i = 0; i < loop; i++) {
1362 temp = off8 + (i << shift_amount);
1363 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1364 temp = 0;
1365 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1366 temp = word[i * scale] & 0xffffffff;
1367 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1368 temp = (word[i * scale] >> 32) & 0xffffffff;
1369 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1370 temp = word[i*scale + 1] & 0xffffffff;
1371 qla82xx_wr_32(ha, mem_crb +
1372 MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
1373 temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1374 qla82xx_wr_32(ha, mem_crb +
1375 MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
1376
1377 temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1378 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1379 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1380 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1381
1382 for (j = 0; j < MAX_CTL_CHECK; j++) {
1383 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1384 if ((temp & MIU_TA_CTL_BUSY) == 0)
1385 break;
1386 }
1387
1388 if (j >= MAX_CTL_CHECK) {
1389 if (printk_ratelimit())
1390 dev_err(&ha->pdev->dev,
1391 "failed to write through agent.\n");
1392 ret = -1;
1393 break;
1394 }
1395 }
1396
1397 return ret;
1398 }
1399
1400 static int
1401 qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
1402 {
1403 int i;
1404 long size = 0;
1405 long flashaddr = ha->flt_region_bootload << 2;
1406 long memaddr = BOOTLD_START;
1407 u64 data;
1408 u32 high, low;
1409 size = (IMAGE_START - BOOTLD_START) / 8;
1410
1411 for (i = 0; i < size; i++) {
1412 if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1413 (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
1414 return -1;
1415 }
1416 data = ((u64)high << 32) | low ;
1417 qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
1418 flashaddr += 8;
1419 memaddr += 8;
1420
1421 if (i % 0x1000 == 0)
1422 msleep(1);
1423 }
1424 udelay(100);
1425 read_lock(&ha->hw_lock);
1426 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1427 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1428 read_unlock(&ha->hw_lock);
1429 return 0;
1430 }
1431
1432 int
1433 qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
1434 u64 off, void *data, int size)
1435 {
1436 int i, j = 0, k, start, end, loop, sz[2], off0[2];
1437 int shift_amount;
1438 uint32_t temp;
1439 uint64_t off8, val, mem_crb, word[2] = {0, 0};
1440
1441 /*
1442 * If not MN, go check for MS or invalid.
1443 */
1444
1445 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1446 mem_crb = QLA82XX_CRB_QDR_NET;
1447 else {
1448 mem_crb = QLA82XX_CRB_DDR_NET;
1449 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1450 return qla82xx_pci_mem_read_direct(ha,
1451 off, data, size);
1452 }
1453
1454 off8 = off & 0xfffffff0;
1455 off0[0] = off & 0xf;
1456 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1457 shift_amount = 4;
1458 loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1459 off0[1] = 0;
1460 sz[1] = size - sz[0];
1461
1462 for (i = 0; i < loop; i++) {
1463 temp = off8 + (i << shift_amount);
1464 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1465 temp = 0;
1466 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1467 temp = MIU_TA_CTL_ENABLE;
1468 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1469 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
1470 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1471
1472 for (j = 0; j < MAX_CTL_CHECK; j++) {
1473 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1474 if ((temp & MIU_TA_CTL_BUSY) == 0)
1475 break;
1476 }
1477
1478 if (j >= MAX_CTL_CHECK) {
1479 if (printk_ratelimit())
1480 dev_err(&ha->pdev->dev,
1481 "failed to read through agent.\n");
1482 break;
1483 }
1484
1485 start = off0[i] >> 2;
1486 end = (off0[i] + sz[i] - 1) >> 2;
1487 for (k = start; k <= end; k++) {
1488 temp = qla82xx_rd_32(ha,
1489 mem_crb + MIU_TEST_AGT_RDDATA(k));
1490 word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1491 }
1492 }
1493
1494 if (j >= MAX_CTL_CHECK)
1495 return -1;
1496
1497 if ((off0[0] & 7) == 0) {
1498 val = word[0];
1499 } else {
1500 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1501 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1502 }
1503
1504 switch (size) {
1505 case 1:
1506 *(uint8_t *)data = val;
1507 break;
1508 case 2:
1509 *(uint16_t *)data = val;
1510 break;
1511 case 4:
1512 *(uint32_t *)data = val;
1513 break;
1514 case 8:
1515 *(uint64_t *)data = val;
1516 break;
1517 }
1518 return 0;
1519 }
1520
1521
1522 static struct qla82xx_uri_table_desc *
1523 qla82xx_get_table_desc(const u8 *unirom, int section)
1524 {
1525 uint32_t i;
1526 struct qla82xx_uri_table_desc *directory =
1527 (struct qla82xx_uri_table_desc *)&unirom[0];
1528 __le32 offset;
1529 __le32 tab_type;
1530 __le32 entries = cpu_to_le32(directory->num_entries);
1531
1532 for (i = 0; i < entries; i++) {
1533 offset = cpu_to_le32(directory->findex) +
1534 (i * cpu_to_le32(directory->entry_size));
1535 tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8));
1536
1537 if (tab_type == section)
1538 return (struct qla82xx_uri_table_desc *)&unirom[offset];
1539 }
1540
1541 return NULL;
1542 }
1543
1544 static struct qla82xx_uri_data_desc *
1545 qla82xx_get_data_desc(struct qla_hw_data *ha,
1546 u32 section, u32 idx_offset)
1547 {
1548 const u8 *unirom = ha->hablob->fw->data;
1549 int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset));
1550 struct qla82xx_uri_table_desc *tab_desc = NULL;
1551 __le32 offset;
1552
1553 tab_desc = qla82xx_get_table_desc(unirom, section);
1554 if (!tab_desc)
1555 return NULL;
1556
1557 offset = cpu_to_le32(tab_desc->findex) +
1558 (cpu_to_le32(tab_desc->entry_size) * idx);
1559
1560 return (struct qla82xx_uri_data_desc *)&unirom[offset];
1561 }
1562
1563 static u8 *
1564 qla82xx_get_bootld_offset(struct qla_hw_data *ha)
1565 {
1566 u32 offset = BOOTLD_START;
1567 struct qla82xx_uri_data_desc *uri_desc = NULL;
1568
1569 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1570 uri_desc = qla82xx_get_data_desc(ha,
1571 QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF);
1572 if (uri_desc)
1573 offset = cpu_to_le32(uri_desc->findex);
1574 }
1575
1576 return (u8 *)&ha->hablob->fw->data[offset];
1577 }
1578
1579 static __le32
1580 qla82xx_get_fw_size(struct qla_hw_data *ha)
1581 {
1582 struct qla82xx_uri_data_desc *uri_desc = NULL;
1583
1584 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1585 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1586 QLA82XX_URI_FIRMWARE_IDX_OFF);
1587 if (uri_desc)
1588 return cpu_to_le32(uri_desc->size);
1589 }
1590
1591 return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]);
1592 }
1593
1594 static u8 *
1595 qla82xx_get_fw_offs(struct qla_hw_data *ha)
1596 {
1597 u32 offset = IMAGE_START;
1598 struct qla82xx_uri_data_desc *uri_desc = NULL;
1599
1600 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1601 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1602 QLA82XX_URI_FIRMWARE_IDX_OFF);
1603 if (uri_desc)
1604 offset = cpu_to_le32(uri_desc->findex);
1605 }
1606
1607 return (u8 *)&ha->hablob->fw->data[offset];
1608 }
1609
1610 /* PCI related functions */
1611 char *
1612 qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str)
1613 {
1614 int pcie_reg;
1615 struct qla_hw_data *ha = vha->hw;
1616 char lwstr[6];
1617 uint16_t lnk;
1618
1619 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
1620 pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk);
1621 ha->link_width = (lnk >> 4) & 0x3f;
1622
1623 strcpy(str, "PCIe (");
1624 strcat(str, "2.5Gb/s ");
1625 snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width);
1626 strcat(str, lwstr);
1627 return str;
1628 }
1629
1630 int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
1631 {
1632 unsigned long val = 0;
1633 u32 control;
1634
1635 switch (region) {
1636 case 0:
1637 val = 0;
1638 break;
1639 case 1:
1640 pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
1641 val = control + QLA82XX_MSIX_TBL_SPACE;
1642 break;
1643 }
1644 return val;
1645 }
1646
1647
1648 int
1649 qla82xx_iospace_config(struct qla_hw_data *ha)
1650 {
1651 uint32_t len = 0;
1652
1653 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1654 ql_log_pci(ql_log_fatal, ha->pdev, 0x000c,
1655 "Failed to reserver selected regions.\n");
1656 goto iospace_error_exit;
1657 }
1658
1659 /* Use MMIO operations for all accesses. */
1660 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1661 ql_log_pci(ql_log_fatal, ha->pdev, 0x000d,
1662 "Region #0 not an MMIO resource, aborting.\n");
1663 goto iospace_error_exit;
1664 }
1665
1666 len = pci_resource_len(ha->pdev, 0);
1667 ha->nx_pcibase =
1668 (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len);
1669 if (!ha->nx_pcibase) {
1670 ql_log_pci(ql_log_fatal, ha->pdev, 0x000e,
1671 "Cannot remap pcibase MMIO, aborting.\n");
1672 pci_release_regions(ha->pdev);
1673 goto iospace_error_exit;
1674 }
1675
1676 /* Mapping of IO base pointer */
1677 ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase +
1678 0xbc000 + (ha->pdev->devfn << 11));
1679
1680 if (!ql2xdbwr) {
1681 ha->nxdb_wr_ptr =
1682 (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) +
1683 (ha->pdev->devfn << 12)), 4);
1684 if (!ha->nxdb_wr_ptr) {
1685 ql_log_pci(ql_log_fatal, ha->pdev, 0x000f,
1686 "Cannot remap MMIO, aborting.\n");
1687 pci_release_regions(ha->pdev);
1688 goto iospace_error_exit;
1689 }
1690
1691 /* Mapping of IO base pointer,
1692 * door bell read and write pointer
1693 */
1694 ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) +
1695 (ha->pdev->devfn * 8);
1696 } else {
1697 ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ?
1698 QLA82XX_CAMRAM_DB1 :
1699 QLA82XX_CAMRAM_DB2);
1700 }
1701
1702 ha->max_req_queues = ha->max_rsp_queues = 1;
1703 ha->msix_count = ha->max_rsp_queues + 1;
1704 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006,
1705 "nx_pci_base=%p iobase=%p "
1706 "max_req_queues=%d msix_count=%d.\n",
1707 ha->nx_pcibase, ha->iobase,
1708 ha->max_req_queues, ha->msix_count);
1709 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010,
1710 "nx_pci_base=%p iobase=%p "
1711 "max_req_queues=%d msix_count=%d.\n",
1712 ha->nx_pcibase, ha->iobase,
1713 ha->max_req_queues, ha->msix_count);
1714 return 0;
1715
1716 iospace_error_exit:
1717 return -ENOMEM;
1718 }
1719
1720 /* GS related functions */
1721
1722 /* Initialization related functions */
1723
1724 /**
1725 * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
1726 * @ha: HA context
1727 *
1728 * Returns 0 on success.
1729 */
1730 int
1731 qla82xx_pci_config(scsi_qla_host_t *vha)
1732 {
1733 struct qla_hw_data *ha = vha->hw;
1734 int ret;
1735
1736 pci_set_master(ha->pdev);
1737 ret = pci_set_mwi(ha->pdev);
1738 ha->chip_revision = ha->pdev->revision;
1739 ql_dbg(ql_dbg_init, vha, 0x0043,
1740 "Chip revision:%ld.\n",
1741 ha->chip_revision);
1742 return 0;
1743 }
1744
1745 /**
1746 * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
1747 * @ha: HA context
1748 *
1749 * Returns 0 on success.
1750 */
1751 void
1752 qla82xx_reset_chip(scsi_qla_host_t *vha)
1753 {
1754 struct qla_hw_data *ha = vha->hw;
1755 ha->isp_ops->disable_intrs(ha);
1756 }
1757
1758 void qla82xx_config_rings(struct scsi_qla_host *vha)
1759 {
1760 struct qla_hw_data *ha = vha->hw;
1761 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1762 struct init_cb_81xx *icb;
1763 struct req_que *req = ha->req_q_map[0];
1764 struct rsp_que *rsp = ha->rsp_q_map[0];
1765
1766 /* Setup ring parameters in initialization control block. */
1767 icb = (struct init_cb_81xx *)ha->init_cb;
1768 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1769 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1770 icb->request_q_length = cpu_to_le16(req->length);
1771 icb->response_q_length = cpu_to_le16(rsp->length);
1772 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1773 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1774 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1775 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1776
1777 WRT_REG_DWORD((unsigned long __iomem *)&reg->req_q_out[0], 0);
1778 WRT_REG_DWORD((unsigned long __iomem *)&reg->rsp_q_in[0], 0);
1779 WRT_REG_DWORD((unsigned long __iomem *)&reg->rsp_q_out[0], 0);
1780 }
1781
1782 void qla82xx_reset_adapter(struct scsi_qla_host *vha)
1783 {
1784 struct qla_hw_data *ha = vha->hw;
1785 vha->flags.online = 0;
1786 qla2x00_try_to_stop_firmware(vha);
1787 ha->isp_ops->disable_intrs(ha);
1788 }
1789
1790 static int
1791 qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
1792 {
1793 u64 *ptr64;
1794 u32 i, flashaddr, size;
1795 __le64 data;
1796
1797 size = (IMAGE_START - BOOTLD_START) / 8;
1798
1799 ptr64 = (u64 *)qla82xx_get_bootld_offset(ha);
1800 flashaddr = BOOTLD_START;
1801
1802 for (i = 0; i < size; i++) {
1803 data = cpu_to_le64(ptr64[i]);
1804 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1805 return -EIO;
1806 flashaddr += 8;
1807 }
1808
1809 flashaddr = FLASH_ADDR_START;
1810 size = (__force u32)qla82xx_get_fw_size(ha) / 8;
1811 ptr64 = (u64 *)qla82xx_get_fw_offs(ha);
1812
1813 for (i = 0; i < size; i++) {
1814 data = cpu_to_le64(ptr64[i]);
1815
1816 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1817 return -EIO;
1818 flashaddr += 8;
1819 }
1820 udelay(100);
1821
1822 /* Write a magic value to CAMRAM register
1823 * at a specified offset to indicate
1824 * that all data is written and
1825 * ready for firmware to initialize.
1826 */
1827 qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC);
1828
1829 read_lock(&ha->hw_lock);
1830 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1831 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1832 read_unlock(&ha->hw_lock);
1833 return 0;
1834 }
1835
1836 static int
1837 qla82xx_set_product_offset(struct qla_hw_data *ha)
1838 {
1839 struct qla82xx_uri_table_desc *ptab_desc = NULL;
1840 const uint8_t *unirom = ha->hablob->fw->data;
1841 uint32_t i;
1842 __le32 entries;
1843 __le32 flags, file_chiprev, offset;
1844 uint8_t chiprev = ha->chip_revision;
1845 /* Hardcoding mn_present flag for P3P */
1846 int mn_present = 0;
1847 uint32_t flagbit;
1848
1849 ptab_desc = qla82xx_get_table_desc(unirom,
1850 QLA82XX_URI_DIR_SECT_PRODUCT_TBL);
1851 if (!ptab_desc)
1852 return -1;
1853
1854 entries = cpu_to_le32(ptab_desc->num_entries);
1855
1856 for (i = 0; i < entries; i++) {
1857 offset = cpu_to_le32(ptab_desc->findex) +
1858 (i * cpu_to_le32(ptab_desc->entry_size));
1859 flags = cpu_to_le32(*((int *)&unirom[offset] +
1860 QLA82XX_URI_FLAGS_OFF));
1861 file_chiprev = cpu_to_le32(*((int *)&unirom[offset] +
1862 QLA82XX_URI_CHIP_REV_OFF));
1863
1864 flagbit = mn_present ? 1 : 2;
1865
1866 if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) {
1867 ha->file_prd_off = offset;
1868 return 0;
1869 }
1870 }
1871 return -1;
1872 }
1873
1874 int
1875 qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type)
1876 {
1877 __le32 val;
1878 uint32_t min_size;
1879 struct qla_hw_data *ha = vha->hw;
1880 const struct firmware *fw = ha->hablob->fw;
1881
1882 ha->fw_type = fw_type;
1883
1884 if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1885 if (qla82xx_set_product_offset(ha))
1886 return -EINVAL;
1887
1888 min_size = QLA82XX_URI_FW_MIN_SIZE;
1889 } else {
1890 val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]);
1891 if ((__force u32)val != QLA82XX_BDINFO_MAGIC)
1892 return -EINVAL;
1893
1894 min_size = QLA82XX_FW_MIN_SIZE;
1895 }
1896
1897 if (fw->size < min_size)
1898 return -EINVAL;
1899 return 0;
1900 }
1901
1902 static int
1903 qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
1904 {
1905 u32 val = 0;
1906 int retries = 60;
1907 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1908
1909 do {
1910 read_lock(&ha->hw_lock);
1911 val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
1912 read_unlock(&ha->hw_lock);
1913
1914 switch (val) {
1915 case PHAN_INITIALIZE_COMPLETE:
1916 case PHAN_INITIALIZE_ACK:
1917 return QLA_SUCCESS;
1918 case PHAN_INITIALIZE_FAILED:
1919 break;
1920 default:
1921 break;
1922 }
1923 ql_log(ql_log_info, vha, 0x00a8,
1924 "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n",
1925 val, retries);
1926
1927 msleep(500);
1928
1929 } while (--retries);
1930
1931 ql_log(ql_log_fatal, vha, 0x00a9,
1932 "Cmd Peg initialization failed: 0x%x.\n", val);
1933
1934 val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1935 read_lock(&ha->hw_lock);
1936 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
1937 read_unlock(&ha->hw_lock);
1938 return QLA_FUNCTION_FAILED;
1939 }
1940
1941 static int
1942 qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
1943 {
1944 u32 val = 0;
1945 int retries = 60;
1946 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1947
1948 do {
1949 read_lock(&ha->hw_lock);
1950 val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
1951 read_unlock(&ha->hw_lock);
1952
1953 switch (val) {
1954 case PHAN_INITIALIZE_COMPLETE:
1955 case PHAN_INITIALIZE_ACK:
1956 return QLA_SUCCESS;
1957 case PHAN_INITIALIZE_FAILED:
1958 break;
1959 default:
1960 break;
1961 }
1962 ql_log(ql_log_info, vha, 0x00ab,
1963 "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n",
1964 val, retries);
1965
1966 msleep(500);
1967
1968 } while (--retries);
1969
1970 ql_log(ql_log_fatal, vha, 0x00ac,
1971 "Rcv Peg initializatin failed: 0x%x.\n", val);
1972 read_lock(&ha->hw_lock);
1973 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
1974 read_unlock(&ha->hw_lock);
1975 return QLA_FUNCTION_FAILED;
1976 }
1977
1978 /* ISR related functions */
1979 uint32_t qla82xx_isr_int_target_mask_enable[8] = {
1980 ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1,
1981 ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3,
1982 ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5,
1983 ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7
1984 };
1985
1986 uint32_t qla82xx_isr_int_target_status[8] = {
1987 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
1988 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
1989 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
1990 ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7
1991 };
1992
1993 static struct qla82xx_legacy_intr_set legacy_intr[] = \
1994 QLA82XX_LEGACY_INTR_CONFIG;
1995
1996 /*
1997 * qla82xx_mbx_completion() - Process mailbox command completions.
1998 * @ha: SCSI driver HA context
1999 * @mb0: Mailbox0 register
2000 */
2001 static void
2002 qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2003 {
2004 uint16_t cnt;
2005 uint16_t __iomem *wptr;
2006 struct qla_hw_data *ha = vha->hw;
2007 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2008 wptr = (uint16_t __iomem *)&reg->mailbox_out[1];
2009
2010 /* Load return mailbox registers. */
2011 ha->flags.mbox_int = 1;
2012 ha->mailbox_out[0] = mb0;
2013
2014 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2015 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2016 wptr++;
2017 }
2018
2019 if (ha->mcp) {
2020 ql_dbg(ql_dbg_async, vha, 0x5052,
2021 "Got mailbox completion. cmd=%x.\n", ha->mcp->mb[0]);
2022 } else {
2023 ql_dbg(ql_dbg_async, vha, 0x5053,
2024 "MBX pointer ERROR.\n");
2025 }
2026 }
2027
2028 /*
2029 * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
2030 * @irq:
2031 * @dev_id: SCSI driver HA context
2032 * @regs:
2033 *
2034 * Called by system whenever the host adapter generates an interrupt.
2035 *
2036 * Returns handled flag.
2037 */
2038 irqreturn_t
2039 qla82xx_intr_handler(int irq, void *dev_id)
2040 {
2041 scsi_qla_host_t *vha;
2042 struct qla_hw_data *ha;
2043 struct rsp_que *rsp;
2044 struct device_reg_82xx __iomem *reg;
2045 int status = 0, status1 = 0;
2046 unsigned long flags;
2047 unsigned long iter;
2048 uint32_t stat = 0;
2049 uint16_t mb[4];
2050
2051 rsp = (struct rsp_que *) dev_id;
2052 if (!rsp) {
2053 printk(KERN_INFO
2054 "%s(): NULL response queue pointer.\n", __func__);
2055 return IRQ_NONE;
2056 }
2057 ha = rsp->hw;
2058
2059 if (!ha->flags.msi_enabled) {
2060 status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
2061 if (!(status & ha->nx_legacy_intr.int_vec_bit))
2062 return IRQ_NONE;
2063
2064 status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
2065 if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
2066 return IRQ_NONE;
2067 }
2068
2069 /* clear the interrupt */
2070 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
2071
2072 /* read twice to ensure write is flushed */
2073 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2074 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2075
2076 reg = &ha->iobase->isp82;
2077
2078 spin_lock_irqsave(&ha->hardware_lock, flags);
2079 vha = pci_get_drvdata(ha->pdev);
2080 for (iter = 1; iter--; ) {
2081
2082 if (RD_REG_DWORD(&reg->host_int)) {
2083 stat = RD_REG_DWORD(&reg->host_status);
2084
2085 switch (stat & 0xff) {
2086 case 0x1:
2087 case 0x2:
2088 case 0x10:
2089 case 0x11:
2090 qla82xx_mbx_completion(vha, MSW(stat));
2091 status |= MBX_INTERRUPT;
2092 break;
2093 case 0x12:
2094 mb[0] = MSW(stat);
2095 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2096 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2097 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2098 qla2x00_async_event(vha, rsp, mb);
2099 break;
2100 case 0x13:
2101 qla24xx_process_response_queue(vha, rsp);
2102 break;
2103 default:
2104 ql_dbg(ql_dbg_async, vha, 0x5054,
2105 "Unrecognized interrupt type (%d).\n",
2106 stat & 0xff);
2107 break;
2108 }
2109 }
2110 WRT_REG_DWORD(&reg->host_int, 0);
2111 }
2112 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2113 if (!ha->flags.msi_enabled)
2114 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2115
2116 #ifdef QL_DEBUG_LEVEL_17
2117 if (!irq && ha->flags.eeh_busy)
2118 ql_log(ql_log_warn, vha, 0x503d,
2119 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n",
2120 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
2121 #endif
2122
2123 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2124 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2125 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2126 complete(&ha->mbx_intr_comp);
2127 }
2128 return IRQ_HANDLED;
2129 }
2130
2131 irqreturn_t
2132 qla82xx_msix_default(int irq, void *dev_id)
2133 {
2134 scsi_qla_host_t *vha;
2135 struct qla_hw_data *ha;
2136 struct rsp_que *rsp;
2137 struct device_reg_82xx __iomem *reg;
2138 int status = 0;
2139 unsigned long flags;
2140 uint32_t stat = 0;
2141 uint16_t mb[4];
2142
2143 rsp = (struct rsp_que *) dev_id;
2144 if (!rsp) {
2145 printk(KERN_INFO
2146 "%s(): NULL response queue pointer.\n", __func__);
2147 return IRQ_NONE;
2148 }
2149 ha = rsp->hw;
2150
2151 reg = &ha->iobase->isp82;
2152
2153 spin_lock_irqsave(&ha->hardware_lock, flags);
2154 vha = pci_get_drvdata(ha->pdev);
2155 do {
2156 if (RD_REG_DWORD(&reg->host_int)) {
2157 stat = RD_REG_DWORD(&reg->host_status);
2158
2159 switch (stat & 0xff) {
2160 case 0x1:
2161 case 0x2:
2162 case 0x10:
2163 case 0x11:
2164 qla82xx_mbx_completion(vha, MSW(stat));
2165 status |= MBX_INTERRUPT;
2166 break;
2167 case 0x12:
2168 mb[0] = MSW(stat);
2169 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2170 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2171 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2172 qla2x00_async_event(vha, rsp, mb);
2173 break;
2174 case 0x13:
2175 qla24xx_process_response_queue(vha, rsp);
2176 break;
2177 default:
2178 ql_dbg(ql_dbg_async, vha, 0x5041,
2179 "Unrecognized interrupt type (%d).\n",
2180 stat & 0xff);
2181 break;
2182 }
2183 }
2184 WRT_REG_DWORD(&reg->host_int, 0);
2185 } while (0);
2186
2187 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2188
2189 #ifdef QL_DEBUG_LEVEL_17
2190 if (!irq && ha->flags.eeh_busy)
2191 ql_log(ql_log_warn, vha, 0x5044,
2192 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n",
2193 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
2194 #endif
2195
2196 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2197 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2198 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2199 complete(&ha->mbx_intr_comp);
2200 }
2201 return IRQ_HANDLED;
2202 }
2203
2204 irqreturn_t
2205 qla82xx_msix_rsp_q(int irq, void *dev_id)
2206 {
2207 scsi_qla_host_t *vha;
2208 struct qla_hw_data *ha;
2209 struct rsp_que *rsp;
2210 struct device_reg_82xx __iomem *reg;
2211
2212 rsp = (struct rsp_que *) dev_id;
2213 if (!rsp) {
2214 printk(KERN_INFO
2215 "%s(): NULL response queue pointer.\n", __func__);
2216 return IRQ_NONE;
2217 }
2218
2219 ha = rsp->hw;
2220 reg = &ha->iobase->isp82;
2221 spin_lock_irq(&ha->hardware_lock);
2222 vha = pci_get_drvdata(ha->pdev);
2223 qla24xx_process_response_queue(vha, rsp);
2224 WRT_REG_DWORD(&reg->host_int, 0);
2225 spin_unlock_irq(&ha->hardware_lock);
2226 return IRQ_HANDLED;
2227 }
2228
2229 void
2230 qla82xx_poll(int irq, void *dev_id)
2231 {
2232 scsi_qla_host_t *vha;
2233 struct qla_hw_data *ha;
2234 struct rsp_que *rsp;
2235 struct device_reg_82xx __iomem *reg;
2236 int status = 0;
2237 uint32_t stat;
2238 uint16_t mb[4];
2239 unsigned long flags;
2240
2241 rsp = (struct rsp_que *) dev_id;
2242 if (!rsp) {
2243 printk(KERN_INFO
2244 "%s(): NULL response queue pointer.\n", __func__);
2245 return;
2246 }
2247 ha = rsp->hw;
2248
2249 reg = &ha->iobase->isp82;
2250 spin_lock_irqsave(&ha->hardware_lock, flags);
2251 vha = pci_get_drvdata(ha->pdev);
2252
2253 if (RD_REG_DWORD(&reg->host_int)) {
2254 stat = RD_REG_DWORD(&reg->host_status);
2255 switch (stat & 0xff) {
2256 case 0x1:
2257 case 0x2:
2258 case 0x10:
2259 case 0x11:
2260 qla82xx_mbx_completion(vha, MSW(stat));
2261 status |= MBX_INTERRUPT;
2262 break;
2263 case 0x12:
2264 mb[0] = MSW(stat);
2265 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2266 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2267 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2268 qla2x00_async_event(vha, rsp, mb);
2269 break;
2270 case 0x13:
2271 qla24xx_process_response_queue(vha, rsp);
2272 break;
2273 default:
2274 ql_dbg(ql_dbg_p3p, vha, 0xb013,
2275 "Unrecognized interrupt type (%d).\n",
2276 stat * 0xff);
2277 break;
2278 }
2279 }
2280 WRT_REG_DWORD(&reg->host_int, 0);
2281 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2282 }
2283
2284 void
2285 qla82xx_enable_intrs(struct qla_hw_data *ha)
2286 {
2287 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2288 qla82xx_mbx_intr_enable(vha);
2289 spin_lock_irq(&ha->hardware_lock);
2290 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2291 spin_unlock_irq(&ha->hardware_lock);
2292 ha->interrupts_on = 1;
2293 }
2294
2295 void
2296 qla82xx_disable_intrs(struct qla_hw_data *ha)
2297 {
2298 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2299 qla82xx_mbx_intr_disable(vha);
2300 spin_lock_irq(&ha->hardware_lock);
2301 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
2302 spin_unlock_irq(&ha->hardware_lock);
2303 ha->interrupts_on = 0;
2304 }
2305
2306 void qla82xx_init_flags(struct qla_hw_data *ha)
2307 {
2308 struct qla82xx_legacy_intr_set *nx_legacy_intr;
2309
2310 /* ISP 8021 initializations */
2311 rwlock_init(&ha->hw_lock);
2312 ha->qdr_sn_window = -1;
2313 ha->ddr_mn_window = -1;
2314 ha->curr_window = 255;
2315 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2316 nx_legacy_intr = &legacy_intr[ha->portnum];
2317 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
2318 ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
2319 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
2320 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
2321 }
2322
2323 inline void
2324 qla82xx_set_drv_active(scsi_qla_host_t *vha)
2325 {
2326 uint32_t drv_active;
2327 struct qla_hw_data *ha = vha->hw;
2328
2329 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2330
2331 /* If reset value is all FF's, initialize DRV_ACTIVE */
2332 if (drv_active == 0xffffffff) {
2333 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE,
2334 QLA82XX_DRV_NOT_ACTIVE);
2335 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2336 }
2337 drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2338 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2339 }
2340
2341 inline void
2342 qla82xx_clear_drv_active(struct qla_hw_data *ha)
2343 {
2344 uint32_t drv_active;
2345
2346 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2347 drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2348 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2349 }
2350
2351 static inline int
2352 qla82xx_need_reset(struct qla_hw_data *ha)
2353 {
2354 uint32_t drv_state;
2355 int rval;
2356
2357 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2358 rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2359 return rval;
2360 }
2361
2362 static inline void
2363 qla82xx_set_rst_ready(struct qla_hw_data *ha)
2364 {
2365 uint32_t drv_state;
2366 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2367
2368 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2369
2370 /* If reset value is all FF's, initialize DRV_STATE */
2371 if (drv_state == 0xffffffff) {
2372 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY);
2373 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2374 }
2375 drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2376 ql_log(ql_log_info, vha, 0x00bb,
2377 "drv_state = 0x%x.\n", drv_state);
2378 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2379 }
2380
2381 static inline void
2382 qla82xx_clear_rst_ready(struct qla_hw_data *ha)
2383 {
2384 uint32_t drv_state;
2385
2386 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2387 drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2388 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2389 }
2390
2391 static inline void
2392 qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
2393 {
2394 uint32_t qsnt_state;
2395
2396 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2397 qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2398 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2399 }
2400
2401 void
2402 qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha)
2403 {
2404 struct qla_hw_data *ha = vha->hw;
2405 uint32_t qsnt_state;
2406
2407 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2408 qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2409 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2410 }
2411
2412 static int
2413 qla82xx_load_fw(scsi_qla_host_t *vha)
2414 {
2415 int rst;
2416 struct fw_blob *blob;
2417 struct qla_hw_data *ha = vha->hw;
2418
2419 if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
2420 ql_log(ql_log_fatal, vha, 0x009f,
2421 "Error during CRB initialization.\n");
2422 return QLA_FUNCTION_FAILED;
2423 }
2424 udelay(500);
2425
2426 /* Bring QM and CAMRAM out of reset */
2427 rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
2428 rst &= ~((1 << 28) | (1 << 24));
2429 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
2430
2431 /*
2432 * FW Load priority:
2433 * 1) Operational firmware residing in flash.
2434 * 2) Firmware via request-firmware interface (.bin file).
2435 */
2436 if (ql2xfwloadbin == 2)
2437 goto try_blob_fw;
2438
2439 ql_log(ql_log_info, vha, 0x00a0,
2440 "Attempting to load firmware from flash.\n");
2441
2442 if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
2443 ql_log(ql_log_info, vha, 0x00a1,
2444 "Firmware loaded successully from flash.\n");
2445 return QLA_SUCCESS;
2446 } else {
2447 ql_log(ql_log_warn, vha, 0x0108,
2448 "Firmware load from flash failed.\n");
2449 }
2450
2451 try_blob_fw:
2452 ql_log(ql_log_info, vha, 0x00a2,
2453 "Attempting to load firmware from blob.\n");
2454
2455 /* Load firmware blob. */
2456 blob = ha->hablob = qla2x00_request_firmware(vha);
2457 if (!blob) {
2458 ql_log(ql_log_fatal, vha, 0x00a3,
2459 "Firmware image not preset.\n");
2460 goto fw_load_failed;
2461 }
2462
2463 /* Validating firmware blob */
2464 if (qla82xx_validate_firmware_blob(vha,
2465 QLA82XX_FLASH_ROMIMAGE)) {
2466 /* Fallback to URI format */
2467 if (qla82xx_validate_firmware_blob(vha,
2468 QLA82XX_UNIFIED_ROMIMAGE)) {
2469 ql_log(ql_log_fatal, vha, 0x00a4,
2470 "No valid firmware image found.\n");
2471 return QLA_FUNCTION_FAILED;
2472 }
2473 }
2474
2475 if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
2476 ql_log(ql_log_info, vha, 0x00a5,
2477 "Firmware loaded successfully from binary blob.\n");
2478 return QLA_SUCCESS;
2479 } else {
2480 ql_log(ql_log_fatal, vha, 0x00a6,
2481 "Firmware load failed for binary blob.\n");
2482 blob->fw = NULL;
2483 blob = NULL;
2484 goto fw_load_failed;
2485 }
2486 return QLA_SUCCESS;
2487
2488 fw_load_failed:
2489 return QLA_FUNCTION_FAILED;
2490 }
2491
2492 int
2493 qla82xx_start_firmware(scsi_qla_host_t *vha)
2494 {
2495 int pcie_cap;
2496 uint16_t lnk;
2497 struct qla_hw_data *ha = vha->hw;
2498
2499 /* scrub dma mask expansion register */
2500 qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE);
2501
2502 /* Put both the PEG CMD and RCV PEG to default state
2503 * of 0 before resetting the hardware
2504 */
2505 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
2506 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
2507
2508 /* Overwrite stale initialization register values */
2509 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
2510 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
2511
2512 if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
2513 ql_log(ql_log_fatal, vha, 0x00a7,
2514 "Error trying to start fw.\n");
2515 return QLA_FUNCTION_FAILED;
2516 }
2517
2518 /* Handshake with the card before we register the devices. */
2519 if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
2520 ql_log(ql_log_fatal, vha, 0x00aa,
2521 "Error during card handshake.\n");
2522 return QLA_FUNCTION_FAILED;
2523 }
2524
2525 /* Negotiated Link width */
2526 pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
2527 pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
2528 ha->link_width = (lnk >> 4) & 0x3f;
2529
2530 /* Synchronize with Receive peg */
2531 return qla82xx_check_rcvpeg_state(ha);
2532 }
2533
2534 static inline int
2535 qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
2536 uint16_t tot_dsds)
2537 {
2538 uint32_t *cur_dsd = NULL;
2539 scsi_qla_host_t *vha;
2540 struct qla_hw_data *ha;
2541 struct scsi_cmnd *cmd;
2542 struct scatterlist *cur_seg;
2543 uint32_t *dsd_seg;
2544 void *next_dsd;
2545 uint8_t avail_dsds;
2546 uint8_t first_iocb = 1;
2547 uint32_t dsd_list_len;
2548 struct dsd_dma *dsd_ptr;
2549 struct ct6_dsd *ctx;
2550
2551 cmd = sp->cmd;
2552
2553 /* Update entry type to indicate Command Type 3 IOCB */
2554 *((uint32_t *)(&cmd_pkt->entry_type)) =
2555 __constant_cpu_to_le32(COMMAND_TYPE_6);
2556
2557 /* No data transfer */
2558 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
2559 cmd_pkt->byte_count = __constant_cpu_to_le32(0);
2560 return 0;
2561 }
2562
2563 vha = sp->fcport->vha;
2564 ha = vha->hw;
2565
2566 /* Set transfer direction */
2567 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
2568 cmd_pkt->control_flags =
2569 __constant_cpu_to_le16(CF_WRITE_DATA);
2570 ha->qla_stats.output_bytes += scsi_bufflen(cmd);
2571 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
2572 cmd_pkt->control_flags =
2573 __constant_cpu_to_le16(CF_READ_DATA);
2574 ha->qla_stats.input_bytes += scsi_bufflen(cmd);
2575 }
2576
2577 cur_seg = scsi_sglist(cmd);
2578 ctx = sp->ctx;
2579
2580 while (tot_dsds) {
2581 avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
2582 QLA_DSDS_PER_IOCB : tot_dsds;
2583 tot_dsds -= avail_dsds;
2584 dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE;
2585
2586 dsd_ptr = list_first_entry(&ha->gbl_dsd_list,
2587 struct dsd_dma, list);
2588 next_dsd = dsd_ptr->dsd_addr;
2589 list_del(&dsd_ptr->list);
2590 ha->gbl_dsd_avail--;
2591 list_add_tail(&dsd_ptr->list, &ctx->dsd_list);
2592 ctx->dsd_use_cnt++;
2593 ha->gbl_dsd_inuse++;
2594
2595 if (first_iocb) {
2596 first_iocb = 0;
2597 dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
2598 *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
2599 *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
2600 *dsd_seg++ = cpu_to_le32(dsd_list_len);
2601 } else {
2602 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
2603 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
2604 *cur_dsd++ = cpu_to_le32(dsd_list_len);
2605 }
2606 cur_dsd = (uint32_t *)next_dsd;
2607 while (avail_dsds) {
2608 dma_addr_t sle_dma;
2609
2610 sle_dma = sg_dma_address(cur_seg);
2611 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
2612 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
2613 *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
2614 cur_seg = sg_next(cur_seg);
2615 avail_dsds--;
2616 }
2617 }
2618
2619 /* Null termination */
2620 *cur_dsd++ = 0;
2621 *cur_dsd++ = 0;
2622 *cur_dsd++ = 0;
2623 cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE;
2624 return 0;
2625 }
2626
2627 /*
2628 * qla82xx_calc_dsd_lists() - Determine number of DSD list required
2629 * for Command Type 6.
2630 *
2631 * @dsds: number of data segment decriptors needed
2632 *
2633 * Returns the number of dsd list needed to store @dsds.
2634 */
2635 inline uint16_t
2636 qla82xx_calc_dsd_lists(uint16_t dsds)
2637 {
2638 uint16_t dsd_lists = 0;
2639
2640 dsd_lists = (dsds/QLA_DSDS_PER_IOCB);
2641 if (dsds % QLA_DSDS_PER_IOCB)
2642 dsd_lists++;
2643 return dsd_lists;
2644 }
2645
2646 /*
2647 * qla82xx_start_scsi() - Send a SCSI command to the ISP
2648 * @sp: command to send to the ISP
2649 *
2650 * Returns non-zero if a failure occurred, else zero.
2651 */
2652 int
2653 qla82xx_start_scsi(srb_t *sp)
2654 {
2655 int ret, nseg;
2656 unsigned long flags;
2657 struct scsi_cmnd *cmd;
2658 uint32_t *clr_ptr;
2659 uint32_t index;
2660 uint32_t handle;
2661 uint16_t cnt;
2662 uint16_t req_cnt;
2663 uint16_t tot_dsds;
2664 struct device_reg_82xx __iomem *reg;
2665 uint32_t dbval;
2666 uint32_t *fcp_dl;
2667 uint8_t additional_cdb_len;
2668 struct ct6_dsd *ctx;
2669 struct scsi_qla_host *vha = sp->fcport->vha;
2670 struct qla_hw_data *ha = vha->hw;
2671 struct req_que *req = NULL;
2672 struct rsp_que *rsp = NULL;
2673 char tag[2];
2674
2675 /* Setup device pointers. */
2676 ret = 0;
2677 reg = &ha->iobase->isp82;
2678 cmd = sp->cmd;
2679 req = vha->req;
2680 rsp = ha->rsp_q_map[0];
2681
2682 /* So we know we haven't pci_map'ed anything yet */
2683 tot_dsds = 0;
2684
2685 dbval = 0x04 | (ha->portnum << 5);
2686
2687 /* Send marker if required */
2688 if (vha->marker_needed != 0) {
2689 if (qla2x00_marker(vha, req,
2690 rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) {
2691 ql_log(ql_log_warn, vha, 0x300c,
2692 "qla2x00_marker failed for cmd=%p.\n", cmd);
2693 return QLA_FUNCTION_FAILED;
2694 }
2695 vha->marker_needed = 0;
2696 }
2697
2698 /* Acquire ring specific lock */
2699 spin_lock_irqsave(&ha->hardware_lock, flags);
2700
2701 /* Check for room in outstanding command list. */
2702 handle = req->current_outstanding_cmd;
2703 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
2704 handle++;
2705 if (handle == MAX_OUTSTANDING_COMMANDS)
2706 handle = 1;
2707 if (!req->outstanding_cmds[handle])
2708 break;
2709 }
2710 if (index == MAX_OUTSTANDING_COMMANDS)
2711 goto queuing_error;
2712
2713 /* Map the sg table so we have an accurate count of sg entries needed */
2714 if (scsi_sg_count(cmd)) {
2715 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
2716 scsi_sg_count(cmd), cmd->sc_data_direction);
2717 if (unlikely(!nseg))
2718 goto queuing_error;
2719 } else
2720 nseg = 0;
2721
2722 tot_dsds = nseg;
2723
2724 if (tot_dsds > ql2xshiftctondsd) {
2725 struct cmd_type_6 *cmd_pkt;
2726 uint16_t more_dsd_lists = 0;
2727 struct dsd_dma *dsd_ptr;
2728 uint16_t i;
2729
2730 more_dsd_lists = qla82xx_calc_dsd_lists(tot_dsds);
2731 if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) {
2732 ql_dbg(ql_dbg_io, vha, 0x300d,
2733 "Num of DSD list %d is than %d for cmd=%p.\n",
2734 more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN,
2735 cmd);
2736 goto queuing_error;
2737 }
2738
2739 if (more_dsd_lists <= ha->gbl_dsd_avail)
2740 goto sufficient_dsds;
2741 else
2742 more_dsd_lists -= ha->gbl_dsd_avail;
2743
2744 for (i = 0; i < more_dsd_lists; i++) {
2745 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
2746 if (!dsd_ptr) {
2747 ql_log(ql_log_fatal, vha, 0x300e,
2748 "Failed to allocate memory for dsd_dma "
2749 "for cmd=%p.\n", cmd);
2750 goto queuing_error;
2751 }
2752
2753 dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool,
2754 GFP_ATOMIC, &dsd_ptr->dsd_list_dma);
2755 if (!dsd_ptr->dsd_addr) {
2756 kfree(dsd_ptr);
2757 ql_log(ql_log_fatal, vha, 0x300f,
2758 "Failed to allocate memory for dsd_addr "
2759 "for cmd=%p.\n", cmd);
2760 goto queuing_error;
2761 }
2762 list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list);
2763 ha->gbl_dsd_avail++;
2764 }
2765
2766 sufficient_dsds:
2767 req_cnt = 1;
2768
2769 if (req->cnt < (req_cnt + 2)) {
2770 cnt = (uint16_t)RD_REG_DWORD_RELAXED(
2771 &reg->req_q_out[0]);
2772 if (req->ring_index < cnt)
2773 req->cnt = cnt - req->ring_index;
2774 else
2775 req->cnt = req->length -
2776 (req->ring_index - cnt);
2777 }
2778
2779 if (req->cnt < (req_cnt + 2))
2780 goto queuing_error;
2781
2782 ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
2783 if (!sp->ctx) {
2784 ql_log(ql_log_fatal, vha, 0x3010,
2785 "Failed to allocate ctx for cmd=%p.\n", cmd);
2786 goto queuing_error;
2787 }
2788 memset(ctx, 0, sizeof(struct ct6_dsd));
2789 ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool,
2790 GFP_ATOMIC, &ctx->fcp_cmnd_dma);
2791 if (!ctx->fcp_cmnd) {
2792 ql_log(ql_log_fatal, vha, 0x3011,
2793 "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
2794 goto queuing_error_fcp_cmnd;
2795 }
2796
2797 /* Initialize the DSD list and dma handle */
2798 INIT_LIST_HEAD(&ctx->dsd_list);
2799 ctx->dsd_use_cnt = 0;
2800
2801 if (cmd->cmd_len > 16) {
2802 additional_cdb_len = cmd->cmd_len - 16;
2803 if ((cmd->cmd_len % 4) != 0) {
2804 /* SCSI command bigger than 16 bytes must be
2805 * multiple of 4
2806 */
2807 ql_log(ql_log_warn, vha, 0x3012,
2808 "scsi cmd len %d not multiple of 4 "
2809 "for cmd=%p.\n", cmd->cmd_len, cmd);
2810 goto queuing_error_fcp_cmnd;
2811 }
2812 ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
2813 } else {
2814 additional_cdb_len = 0;
2815 ctx->fcp_cmnd_len = 12 + 16 + 4;
2816 }
2817
2818 cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
2819 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
2820
2821 /* Zero out remaining portion of packet. */
2822 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
2823 clr_ptr = (uint32_t *)cmd_pkt + 2;
2824 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2825 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2826
2827 /* Set NPORT-ID and LUN number*/
2828 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2829 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2830 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2831 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2832 cmd_pkt->vp_index = sp->fcport->vp_idx;
2833
2834 /* Build IOCB segments */
2835 if (qla2xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
2836 goto queuing_error_fcp_cmnd;
2837
2838 int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
2839 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
2840
2841 /*
2842 * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
2843 */
2844 if (scsi_populate_tag_msg(cmd, tag)) {
2845 switch (tag[0]) {
2846 case HEAD_OF_QUEUE_TAG:
2847 ctx->fcp_cmnd->task_attribute =
2848 TSK_HEAD_OF_QUEUE;
2849 break;
2850 case ORDERED_QUEUE_TAG:
2851 ctx->fcp_cmnd->task_attribute =
2852 TSK_ORDERED;
2853 break;
2854 }
2855 }
2856
2857 /* build FCP_CMND IU */
2858 memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
2859 int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun);
2860 ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
2861
2862 if (cmd->sc_data_direction == DMA_TO_DEVICE)
2863 ctx->fcp_cmnd->additional_cdb_len |= 1;
2864 else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
2865 ctx->fcp_cmnd->additional_cdb_len |= 2;
2866
2867 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
2868
2869 fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
2870 additional_cdb_len);
2871 *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
2872
2873 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
2874 cmd_pkt->fcp_cmnd_dseg_address[0] =
2875 cpu_to_le32(LSD(ctx->fcp_cmnd_dma));
2876 cmd_pkt->fcp_cmnd_dseg_address[1] =
2877 cpu_to_le32(MSD(ctx->fcp_cmnd_dma));
2878
2879 sp->flags |= SRB_FCP_CMND_DMA_VALID;
2880 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
2881 /* Set total data segment count. */
2882 cmd_pkt->entry_count = (uint8_t)req_cnt;
2883 /* Specify response queue number where
2884 * completion should happen
2885 */
2886 cmd_pkt->entry_status = (uint8_t) rsp->id;
2887 } else {
2888 struct cmd_type_7 *cmd_pkt;
2889 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
2890 if (req->cnt < (req_cnt + 2)) {
2891 cnt = (uint16_t)RD_REG_DWORD_RELAXED(
2892 &reg->req_q_out[0]);
2893 if (req->ring_index < cnt)
2894 req->cnt = cnt - req->ring_index;
2895 else
2896 req->cnt = req->length -
2897 (req->ring_index - cnt);
2898 }
2899 if (req->cnt < (req_cnt + 2))
2900 goto queuing_error;
2901
2902 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
2903 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
2904
2905 /* Zero out remaining portion of packet. */
2906 /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
2907 clr_ptr = (uint32_t *)cmd_pkt + 2;
2908 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2909 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2910
2911 /* Set NPORT-ID and LUN number*/
2912 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2913 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2914 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2915 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2916 cmd_pkt->vp_index = sp->fcport->vp_idx;
2917
2918 int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
2919 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
2920 sizeof(cmd_pkt->lun));
2921
2922 /*
2923 * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
2924 */
2925 if (scsi_populate_tag_msg(cmd, tag)) {
2926 switch (tag[0]) {
2927 case HEAD_OF_QUEUE_TAG:
2928 cmd_pkt->task = TSK_HEAD_OF_QUEUE;
2929 break;
2930 case ORDERED_QUEUE_TAG:
2931 cmd_pkt->task = TSK_ORDERED;
2932 break;
2933 }
2934 }
2935
2936 /* Load SCSI command packet. */
2937 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
2938 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
2939
2940 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
2941
2942 /* Build IOCB segments */
2943 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds);
2944
2945 /* Set total data segment count. */
2946 cmd_pkt->entry_count = (uint8_t)req_cnt;
2947 /* Specify response queue number where
2948 * completion should happen.
2949 */
2950 cmd_pkt->entry_status = (uint8_t) rsp->id;
2951
2952 }
2953 /* Build command packet. */
2954 req->current_outstanding_cmd = handle;
2955 req->outstanding_cmds[handle] = sp;
2956 sp->handle = handle;
2957 sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
2958 req->cnt -= req_cnt;
2959 wmb();
2960
2961 /* Adjust ring index. */
2962 req->ring_index++;
2963 if (req->ring_index == req->length) {
2964 req->ring_index = 0;
2965 req->ring_ptr = req->ring;
2966 } else
2967 req->ring_ptr++;
2968
2969 sp->flags |= SRB_DMA_VALID;
2970
2971 /* Set chip new ring index. */
2972 /* write, read and verify logic */
2973 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
2974 if (ql2xdbwr)
2975 qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
2976 else {
2977 WRT_REG_DWORD(
2978 (unsigned long __iomem *)ha->nxdb_wr_ptr,
2979 dbval);
2980 wmb();
2981 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
2982 WRT_REG_DWORD(
2983 (unsigned long __iomem *)ha->nxdb_wr_ptr,
2984 dbval);
2985 wmb();
2986 }
2987 }
2988
2989 /* Manage unprocessed RIO/ZIO commands in response queue. */
2990 if (vha->flags.process_response_queue &&
2991 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
2992 qla24xx_process_response_queue(vha, rsp);
2993
2994 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2995 return QLA_SUCCESS;
2996
2997 queuing_error_fcp_cmnd:
2998 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
2999 queuing_error:
3000 if (tot_dsds)
3001 scsi_dma_unmap(cmd);
3002
3003 if (sp->ctx) {
3004 mempool_free(sp->ctx, ha->ctx_mempool);
3005 sp->ctx = NULL;
3006 }
3007 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3008
3009 return QLA_FUNCTION_FAILED;
3010 }
3011
3012 static uint32_t *
3013 qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
3014 uint32_t length)
3015 {
3016 uint32_t i;
3017 uint32_t val;
3018 struct qla_hw_data *ha = vha->hw;
3019
3020 /* Dword reads to flash. */
3021 for (i = 0; i < length/4; i++, faddr += 4) {
3022 if (qla82xx_rom_fast_read(ha, faddr, &val)) {
3023 ql_log(ql_log_warn, vha, 0x0106,
3024 "Do ROM fast read failed.\n");
3025 goto done_read;
3026 }
3027 dwptr[i] = __constant_cpu_to_le32(val);
3028 }
3029 done_read:
3030 return dwptr;
3031 }
3032
3033 static int
3034 qla82xx_unprotect_flash(struct qla_hw_data *ha)
3035 {
3036 int ret;
3037 uint32_t val;
3038 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3039
3040 ret = ql82xx_rom_lock_d(ha);
3041 if (ret < 0) {
3042 ql_log(ql_log_warn, vha, 0xb014,
3043 "ROM Lock failed.\n");
3044 return ret;
3045 }
3046
3047 ret = qla82xx_read_status_reg(ha, &val);
3048 if (ret < 0)
3049 goto done_unprotect;
3050
3051 val &= ~(BLOCK_PROTECT_BITS << 2);
3052 ret = qla82xx_write_status_reg(ha, val);
3053 if (ret < 0) {
3054 val |= (BLOCK_PROTECT_BITS << 2);
3055 qla82xx_write_status_reg(ha, val);
3056 }
3057
3058 if (qla82xx_write_disable_flash(ha) != 0)
3059 ql_log(ql_log_warn, vha, 0xb015,
3060 "Write disable failed.\n");
3061
3062 done_unprotect:
3063 qla82xx_rom_unlock(ha);
3064 return ret;
3065 }
3066
3067 static int
3068 qla82xx_protect_flash(struct qla_hw_data *ha)
3069 {
3070 int ret;
3071 uint32_t val;
3072 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3073
3074 ret = ql82xx_rom_lock_d(ha);
3075 if (ret < 0) {
3076 ql_log(ql_log_warn, vha, 0xb016,
3077 "ROM Lock failed.\n");
3078 return ret;
3079 }
3080
3081 ret = qla82xx_read_status_reg(ha, &val);
3082 if (ret < 0)
3083 goto done_protect;
3084
3085 val |= (BLOCK_PROTECT_BITS << 2);
3086 /* LOCK all sectors */
3087 ret = qla82xx_write_status_reg(ha, val);
3088 if (ret < 0)
3089 ql_log(ql_log_warn, vha, 0xb017,
3090 "Write status register failed.\n");
3091
3092 if (qla82xx_write_disable_flash(ha) != 0)
3093 ql_log(ql_log_warn, vha, 0xb018,
3094 "Write disable failed.\n");
3095 done_protect:
3096 qla82xx_rom_unlock(ha);
3097 return ret;
3098 }
3099
3100 static int
3101 qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
3102 {
3103 int ret = 0;
3104 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3105
3106 ret = ql82xx_rom_lock_d(ha);
3107 if (ret < 0) {
3108 ql_log(ql_log_warn, vha, 0xb019,
3109 "ROM Lock failed.\n");
3110 return ret;
3111 }
3112
3113 qla82xx_flash_set_write_enable(ha);
3114 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
3115 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
3116 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
3117
3118 if (qla82xx_wait_rom_done(ha)) {
3119 ql_log(ql_log_warn, vha, 0xb01a,
3120 "Error waiting for rom done.\n");
3121 ret = -1;
3122 goto done;
3123 }
3124 ret = qla82xx_flash_wait_write_finish(ha);
3125 done:
3126 qla82xx_rom_unlock(ha);
3127 return ret;
3128 }
3129
3130 /*
3131 * Address and length are byte address
3132 */
3133 uint8_t *
3134 qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
3135 uint32_t offset, uint32_t length)
3136 {
3137 scsi_block_requests(vha->host);
3138 qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
3139 scsi_unblock_requests(vha->host);
3140 return buf;
3141 }
3142
3143 static int
3144 qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
3145 uint32_t faddr, uint32_t dwords)
3146 {
3147 int ret;
3148 uint32_t liter;
3149 uint32_t sec_mask, rest_addr;
3150 dma_addr_t optrom_dma;
3151 void *optrom = NULL;
3152 int page_mode = 0;
3153 struct qla_hw_data *ha = vha->hw;
3154
3155 ret = -1;
3156
3157 /* Prepare burst-capable write on supported ISPs. */
3158 if (page_mode && !(faddr & 0xfff) &&
3159 dwords > OPTROM_BURST_DWORDS) {
3160 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3161 &optrom_dma, GFP_KERNEL);
3162 if (!optrom) {
3163 ql_log(ql_log_warn, vha, 0xb01b,
3164 "Unable to allocate memory "
3165 "for optron burst write (%x KB).\n",
3166 OPTROM_BURST_SIZE / 1024);
3167 }
3168 }
3169
3170 rest_addr = ha->fdt_block_size - 1;
3171 sec_mask = ~rest_addr;
3172
3173 ret = qla82xx_unprotect_flash(ha);
3174 if (ret) {
3175 ql_log(ql_log_warn, vha, 0xb01c,
3176 "Unable to unprotect flash for update.\n");
3177 goto write_done;
3178 }
3179
3180 for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
3181 /* Are we at the beginning of a sector? */
3182 if ((faddr & rest_addr) == 0) {
3183
3184 ret = qla82xx_erase_sector(ha, faddr);
3185 if (ret) {
3186 ql_log(ql_log_warn, vha, 0xb01d,
3187 "Unable to erase sector: address=%x.\n",
3188 faddr);
3189 break;
3190 }
3191 }
3192
3193 /* Go with burst-write. */
3194 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
3195 /* Copy data to DMA'ble buffer. */
3196 memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
3197
3198 ret = qla2x00_load_ram(vha, optrom_dma,
3199 (ha->flash_data_off | faddr),
3200 OPTROM_BURST_DWORDS);
3201 if (ret != QLA_SUCCESS) {
3202 ql_log(ql_log_warn, vha, 0xb01e,
3203 "Unable to burst-write optrom segment "
3204 "(%x/%x/%llx).\n", ret,
3205 (ha->flash_data_off | faddr),
3206 (unsigned long long)optrom_dma);
3207 ql_log(ql_log_warn, vha, 0xb01f,
3208 "Reverting to slow-write.\n");
3209
3210 dma_free_coherent(&ha->pdev->dev,
3211 OPTROM_BURST_SIZE, optrom, optrom_dma);
3212 optrom = NULL;
3213 } else {
3214 liter += OPTROM_BURST_DWORDS - 1;
3215 faddr += OPTROM_BURST_DWORDS - 1;
3216 dwptr += OPTROM_BURST_DWORDS - 1;
3217 continue;
3218 }
3219 }
3220
3221 ret = qla82xx_write_flash_dword(ha, faddr,
3222 cpu_to_le32(*dwptr));
3223 if (ret) {
3224 ql_dbg(ql_dbg_p3p, vha, 0xb020,
3225 "Unable to program flash address=%x data=%x.\n",
3226 faddr, *dwptr);
3227 break;
3228 }
3229 }
3230
3231 ret = qla82xx_protect_flash(ha);
3232 if (ret)
3233 ql_log(ql_log_warn, vha, 0xb021,
3234 "Unable to protect flash after update.\n");
3235 write_done:
3236 if (optrom)
3237 dma_free_coherent(&ha->pdev->dev,
3238 OPTROM_BURST_SIZE, optrom, optrom_dma);
3239 return ret;
3240 }
3241
3242 int
3243 qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
3244 uint32_t offset, uint32_t length)
3245 {
3246 int rval;
3247
3248 /* Suspend HBA. */
3249 scsi_block_requests(vha->host);
3250 rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset,
3251 length >> 2);
3252 scsi_unblock_requests(vha->host);
3253
3254 /* Convert return ISP82xx to generic */
3255 if (rval)
3256 rval = QLA_FUNCTION_FAILED;
3257 else
3258 rval = QLA_SUCCESS;
3259 return rval;
3260 }
3261
3262 void
3263 qla82xx_start_iocbs(srb_t *sp)
3264 {
3265 struct qla_hw_data *ha = sp->fcport->vha->hw;
3266 struct req_que *req = ha->req_q_map[0];
3267 struct device_reg_82xx __iomem *reg;
3268 uint32_t dbval;
3269
3270 /* Adjust ring index. */
3271 req->ring_index++;
3272 if (req->ring_index == req->length) {
3273 req->ring_index = 0;
3274 req->ring_ptr = req->ring;
3275 } else
3276 req->ring_ptr++;
3277
3278 reg = &ha->iobase->isp82;
3279 dbval = 0x04 | (ha->portnum << 5);
3280
3281 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
3282 if (ql2xdbwr)
3283 qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
3284 else {
3285 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval);
3286 wmb();
3287 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
3288 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr,
3289 dbval);
3290 wmb();
3291 }
3292 }
3293 }
3294
3295 void qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
3296 {
3297 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3298
3299 if (qla82xx_rom_lock(ha))
3300 /* Someone else is holding the lock. */
3301 ql_log(ql_log_info, vha, 0xb022,
3302 "Resetting rom_lock.\n");
3303
3304 /*
3305 * Either we got the lock, or someone
3306 * else died while holding it.
3307 * In either case, unlock.
3308 */
3309 qla82xx_rom_unlock(ha);
3310 }
3311
3312 /*
3313 * qla82xx_device_bootstrap
3314 * Initialize device, set DEV_READY, start fw
3315 *
3316 * Note:
3317 * IDC lock must be held upon entry
3318 *
3319 * Return:
3320 * Success : 0
3321 * Failed : 1
3322 */
3323 static int
3324 qla82xx_device_bootstrap(scsi_qla_host_t *vha)
3325 {
3326 int rval = QLA_SUCCESS;
3327 int i, timeout;
3328 uint32_t old_count, count;
3329 struct qla_hw_data *ha = vha->hw;
3330 int need_reset = 0, peg_stuck = 1;
3331
3332 need_reset = qla82xx_need_reset(ha);
3333
3334 old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
3335
3336 for (i = 0; i < 10; i++) {
3337 timeout = msleep_interruptible(200);
3338 if (timeout) {
3339 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3340 QLA82XX_DEV_FAILED);
3341 return QLA_FUNCTION_FAILED;
3342 }
3343
3344 count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
3345 if (count != old_count)
3346 peg_stuck = 0;
3347 }
3348
3349 if (need_reset) {
3350 /* We are trying to perform a recovery here. */
3351 if (peg_stuck)
3352 qla82xx_rom_lock_recovery(ha);
3353 goto dev_initialize;
3354 } else {
3355 /* Start of day for this ha context. */
3356 if (peg_stuck) {
3357 /* Either we are the first or recovery in progress. */
3358 qla82xx_rom_lock_recovery(ha);
3359 goto dev_initialize;
3360 } else
3361 /* Firmware already running. */
3362 goto dev_ready;
3363 }
3364
3365 return rval;
3366
3367 dev_initialize:
3368 /* set to DEV_INITIALIZING */
3369 ql_log(ql_log_info, vha, 0x009e,
3370 "HW State: INITIALIZING.\n");
3371 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING);
3372
3373 /* Driver that sets device state to initializating sets IDC version */
3374 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
3375
3376 qla82xx_idc_unlock(ha);
3377 rval = qla82xx_start_firmware(vha);
3378 qla82xx_idc_lock(ha);
3379
3380 if (rval != QLA_SUCCESS) {
3381 ql_log(ql_log_fatal, vha, 0x00ad,
3382 "HW State: FAILED.\n");
3383 qla82xx_clear_drv_active(ha);
3384 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED);
3385 return rval;
3386 }
3387
3388 dev_ready:
3389 ql_log(ql_log_info, vha, 0x00ae,
3390 "HW State: READY.\n");
3391 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
3392
3393 return QLA_SUCCESS;
3394 }
3395
3396 /*
3397 * qla82xx_need_qsnt_handler
3398 * Code to start quiescence sequence
3399 *
3400 * Note:
3401 * IDC lock must be held upon entry
3402 *
3403 * Return: void
3404 */
3405
3406 static void
3407 qla82xx_need_qsnt_handler(scsi_qla_host_t *vha)
3408 {
3409 struct qla_hw_data *ha = vha->hw;
3410 uint32_t dev_state, drv_state, drv_active;
3411 unsigned long reset_timeout;
3412
3413 if (vha->flags.online) {
3414 /*Block any further I/O and wait for pending cmnds to complete*/
3415 qla82xx_quiescent_state_cleanup(vha);
3416 }
3417
3418 /* Set the quiescence ready bit */
3419 qla82xx_set_qsnt_ready(ha);
3420
3421 /*wait for 30 secs for other functions to ack */
3422 reset_timeout = jiffies + (30 * HZ);
3423
3424 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3425 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3426 /* Its 2 that is written when qsnt is acked, moving one bit */
3427 drv_active = drv_active << 0x01;
3428
3429 while (drv_state != drv_active) {
3430
3431 if (time_after_eq(jiffies, reset_timeout)) {
3432 /* quiescence timeout, other functions didn't ack
3433 * changing the state to DEV_READY
3434 */
3435 ql_log(ql_log_info, vha, 0xb023,
3436 "%s : QUIESCENT TIMEOUT.\n", QLA2XXX_DRIVER_NAME);
3437 ql_log(ql_log_info, vha, 0xb024,
3438 "DRV_ACTIVE:%d DRV_STATE:%d.\n",
3439 drv_active, drv_state);
3440 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3441 QLA82XX_DEV_READY);
3442 ql_log(ql_log_info, vha, 0xb025,
3443 "HW State: DEV_READY.\n");
3444 qla82xx_idc_unlock(ha);
3445 qla2x00_perform_loop_resync(vha);
3446 qla82xx_idc_lock(ha);
3447
3448 qla82xx_clear_qsnt_ready(vha);
3449 return;
3450 }
3451
3452 qla82xx_idc_unlock(ha);
3453 msleep(1000);
3454 qla82xx_idc_lock(ha);
3455
3456 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3457 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3458 drv_active = drv_active << 0x01;
3459 }
3460 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3461 /* everyone acked so set the state to DEV_QUIESCENCE */
3462 if (dev_state == QLA82XX_DEV_NEED_QUIESCENT) {
3463 ql_log(ql_log_info, vha, 0xb026,
3464 "HW State: DEV_QUIESCENT.\n");
3465 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_QUIESCENT);
3466 }
3467 }
3468
3469 /*
3470 * qla82xx_wait_for_state_change
3471 * Wait for device state to change from given current state
3472 *
3473 * Note:
3474 * IDC lock must not be held upon entry
3475 *
3476 * Return:
3477 * Changed device state.
3478 */
3479 uint32_t
3480 qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state)
3481 {
3482 struct qla_hw_data *ha = vha->hw;
3483 uint32_t dev_state;
3484
3485 do {
3486 msleep(1000);
3487 qla82xx_idc_lock(ha);
3488 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3489 qla82xx_idc_unlock(ha);
3490 } while (dev_state == curr_state);
3491
3492 return dev_state;
3493 }
3494
3495 static void
3496 qla82xx_dev_failed_handler(scsi_qla_host_t *vha)
3497 {
3498 struct qla_hw_data *ha = vha->hw;
3499
3500 /* Disable the board */
3501 ql_log(ql_log_fatal, vha, 0x00b8,
3502 "Disabling the board.\n");
3503
3504 qla82xx_idc_lock(ha);
3505 qla82xx_clear_drv_active(ha);
3506 qla82xx_idc_unlock(ha);
3507
3508 /* Set DEV_FAILED flag to disable timer */
3509 vha->device_flags |= DFLG_DEV_FAILED;
3510 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3511 qla2x00_mark_all_devices_lost(vha, 0);
3512 vha->flags.online = 0;
3513 vha->flags.init_done = 0;
3514 }
3515
3516 /*
3517 * qla82xx_need_reset_handler
3518 * Code to start reset sequence
3519 *
3520 * Note:
3521 * IDC lock must be held upon entry
3522 *
3523 * Return:
3524 * Success : 0
3525 * Failed : 1
3526 */
3527 static void
3528 qla82xx_need_reset_handler(scsi_qla_host_t *vha)
3529 {
3530 uint32_t dev_state, drv_state, drv_active;
3531 unsigned long reset_timeout;
3532 struct qla_hw_data *ha = vha->hw;
3533 struct req_que *req = ha->req_q_map[0];
3534
3535 if (vha->flags.online) {
3536 qla82xx_idc_unlock(ha);
3537 qla2x00_abort_isp_cleanup(vha);
3538 ha->isp_ops->get_flash_version(vha, req->ring);
3539 ha->isp_ops->nvram_config(vha);
3540 qla82xx_idc_lock(ha);
3541 }
3542
3543 qla82xx_set_rst_ready(ha);
3544
3545 /* wait for 10 seconds for reset ack from all functions */
3546 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
3547
3548 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3549 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3550
3551 while (drv_state != drv_active) {
3552 if (time_after_eq(jiffies, reset_timeout)) {
3553 ql_log(ql_log_warn, vha, 0x00b5,
3554 "Reset timeout.\n");
3555 break;
3556 }
3557 qla82xx_idc_unlock(ha);
3558 msleep(1000);
3559 qla82xx_idc_lock(ha);
3560 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3561 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3562 }
3563
3564 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3565 ql_log(ql_log_info, vha, 0x00b6,
3566 "Device state is 0x%x = %s.\n",
3567 dev_state,
3568 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
3569
3570 /* Force to DEV_COLD unless someone else is starting a reset */
3571 if (dev_state != QLA82XX_DEV_INITIALIZING) {
3572 ql_log(ql_log_info, vha, 0x00b7,
3573 "HW State: COLD/RE-INIT.\n");
3574 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
3575 }
3576 }
3577
3578 int
3579 qla82xx_check_fw_alive(scsi_qla_host_t *vha)
3580 {
3581 uint32_t fw_heartbeat_counter;
3582 int status = 0;
3583
3584 fw_heartbeat_counter = qla82xx_rd_32(vha->hw,
3585 QLA82XX_PEG_ALIVE_COUNTER);
3586 /* all 0xff, assume AER/EEH in progress, ignore */
3587 if (fw_heartbeat_counter == 0xffffffff) {
3588 ql_dbg(ql_dbg_timer, vha, 0x6003,
3589 "FW heartbeat counter is 0xffffffff, "
3590 "returning status=%d.\n", status);
3591 return status;
3592 }
3593 if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
3594 vha->seconds_since_last_heartbeat++;
3595 /* FW not alive after 2 seconds */
3596 if (vha->seconds_since_last_heartbeat == 2) {
3597 vha->seconds_since_last_heartbeat = 0;
3598 status = 1;
3599 }
3600 } else
3601 vha->seconds_since_last_heartbeat = 0;
3602 vha->fw_heartbeat_counter = fw_heartbeat_counter;
3603 if (status)
3604 ql_dbg(ql_dbg_timer, vha, 0x6004,
3605 "Returning status=%d.\n", status);
3606 return status;
3607 }
3608
3609 /*
3610 * qla82xx_device_state_handler
3611 * Main state handler
3612 *
3613 * Note:
3614 * IDC lock must be held upon entry
3615 *
3616 * Return:
3617 * Success : 0
3618 * Failed : 1
3619 */
3620 int
3621 qla82xx_device_state_handler(scsi_qla_host_t *vha)
3622 {
3623 uint32_t dev_state;
3624 uint32_t old_dev_state;
3625 int rval = QLA_SUCCESS;
3626 unsigned long dev_init_timeout;
3627 struct qla_hw_data *ha = vha->hw;
3628 int loopcount = 0;
3629
3630 qla82xx_idc_lock(ha);
3631 if (!vha->flags.init_done)
3632 qla82xx_set_drv_active(vha);
3633
3634 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3635 old_dev_state = dev_state;
3636 ql_log(ql_log_info, vha, 0x009b,
3637 "Device state is 0x%x = %s.\n",
3638 dev_state,
3639 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
3640
3641 /* wait for 30 seconds for device to go ready */
3642 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
3643
3644 while (1) {
3645
3646 if (time_after_eq(jiffies, dev_init_timeout)) {
3647 ql_log(ql_log_fatal, vha, 0x009c,
3648 "Device init failed.\n");
3649 rval = QLA_FUNCTION_FAILED;
3650 break;
3651 }
3652 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3653 if (old_dev_state != dev_state) {
3654 loopcount = 0;
3655 old_dev_state = dev_state;
3656 }
3657 if (loopcount < 5) {
3658 ql_log(ql_log_info, vha, 0x009d,
3659 "Device state is 0x%x = %s.\n",
3660 dev_state,
3661 dev_state < MAX_STATES ? qdev_state[dev_state] :
3662 "Unknown");
3663 }
3664
3665 switch (dev_state) {
3666 case QLA82XX_DEV_READY:
3667 goto exit;
3668 case QLA82XX_DEV_COLD:
3669 rval = qla82xx_device_bootstrap(vha);
3670 goto exit;
3671 case QLA82XX_DEV_INITIALIZING:
3672 qla82xx_idc_unlock(ha);
3673 msleep(1000);
3674 qla82xx_idc_lock(ha);
3675 break;
3676 case QLA82XX_DEV_NEED_RESET:
3677 if (!ql2xdontresethba)
3678 qla82xx_need_reset_handler(vha);
3679 dev_init_timeout = jiffies +
3680 (ha->nx_dev_init_timeout * HZ);
3681 break;
3682 case QLA82XX_DEV_NEED_QUIESCENT:
3683 qla82xx_need_qsnt_handler(vha);
3684 /* Reset timeout value after quiescence handler */
3685 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\
3686 * HZ);
3687 break;
3688 case QLA82XX_DEV_QUIESCENT:
3689 /* Owner will exit and other will wait for the state
3690 * to get changed
3691 */
3692 if (ha->flags.quiesce_owner)
3693 goto exit;
3694
3695 qla82xx_idc_unlock(ha);
3696 msleep(1000);
3697 qla82xx_idc_lock(ha);
3698
3699 /* Reset timeout value after quiescence handler */
3700 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\
3701 * HZ);
3702 break;
3703 case QLA82XX_DEV_FAILED:
3704 qla82xx_dev_failed_handler(vha);
3705 rval = QLA_FUNCTION_FAILED;
3706 goto exit;
3707 default:
3708 qla82xx_idc_unlock(ha);
3709 msleep(1000);
3710 qla82xx_idc_lock(ha);
3711 }
3712 loopcount++;
3713 }
3714 exit:
3715 qla82xx_idc_unlock(ha);
3716 return rval;
3717 }
3718
3719 void qla82xx_watchdog(scsi_qla_host_t *vha)
3720 {
3721 uint32_t dev_state, halt_status;
3722 struct qla_hw_data *ha = vha->hw;
3723
3724 /* don't poll if reset is going on */
3725 if (!ha->flags.isp82xx_reset_hdlr_active) {
3726 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3727 if (dev_state == QLA82XX_DEV_NEED_RESET &&
3728 !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
3729 ql_log(ql_log_warn, vha, 0x6001,
3730 "Adapter reset needed.\n");
3731 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3732 qla2xxx_wake_dpc(vha);
3733 } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
3734 !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
3735 ql_log(ql_log_warn, vha, 0x6002,
3736 "Quiescent needed.\n");
3737 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
3738 qla2xxx_wake_dpc(vha);
3739 } else {
3740 if (qla82xx_check_fw_alive(vha)) {
3741 halt_status = qla82xx_rd_32(ha,
3742 QLA82XX_PEG_HALT_STATUS1);
3743 ql_dbg(ql_dbg_timer, vha, 0x6005,
3744 "dumping hw/fw registers:.\n "
3745 " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
3746 " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
3747 " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n "
3748 " PEG_NET_4_PC: 0x%x.\n", halt_status,
3749 qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2),
3750 qla82xx_rd_32(ha,
3751 QLA82XX_CRB_PEG_NET_0 + 0x3c),
3752 qla82xx_rd_32(ha,
3753 QLA82XX_CRB_PEG_NET_1 + 0x3c),
3754 qla82xx_rd_32(ha,
3755 QLA82XX_CRB_PEG_NET_2 + 0x3c),
3756 qla82xx_rd_32(ha,
3757 QLA82XX_CRB_PEG_NET_3 + 0x3c),
3758 qla82xx_rd_32(ha,
3759 QLA82XX_CRB_PEG_NET_4 + 0x3c));
3760 if (halt_status & HALT_STATUS_UNRECOVERABLE) {
3761 set_bit(ISP_UNRECOVERABLE,
3762 &vha->dpc_flags);
3763 } else {
3764 ql_log(ql_log_info, vha, 0x6006,
3765 "Detect abort needed.\n");
3766 set_bit(ISP_ABORT_NEEDED,
3767 &vha->dpc_flags);
3768 }
3769 qla2xxx_wake_dpc(vha);
3770 ha->flags.isp82xx_fw_hung = 1;
3771 if (ha->flags.mbox_busy) {
3772 ha->flags.mbox_int = 1;
3773 ql_log(ql_log_warn, vha, 0x6007,
3774 "Due to FW hung, doing "
3775 "premature completion of mbx "
3776 "command.\n");
3777 if (test_bit(MBX_INTR_WAIT,
3778 &ha->mbx_cmd_flags))
3779 complete(&ha->mbx_intr_comp);
3780 }
3781 }
3782 }
3783 }
3784 }
3785
3786 int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3787 {
3788 int rval;
3789 rval = qla82xx_device_state_handler(vha);
3790 return rval;
3791 }
3792
3793 /*
3794 * qla82xx_abort_isp
3795 * Resets ISP and aborts all outstanding commands.
3796 *
3797 * Input:
3798 * ha = adapter block pointer.
3799 *
3800 * Returns:
3801 * 0 = success
3802 */
3803 int
3804 qla82xx_abort_isp(scsi_qla_host_t *vha)
3805 {
3806 int rval;
3807 struct qla_hw_data *ha = vha->hw;
3808 uint32_t dev_state;
3809
3810 if (vha->device_flags & DFLG_DEV_FAILED) {
3811 ql_log(ql_log_warn, vha, 0x8024,
3812 "Device in failed state, exiting.\n");
3813 return QLA_SUCCESS;
3814 }
3815 ha->flags.isp82xx_reset_hdlr_active = 1;
3816
3817 qla82xx_idc_lock(ha);
3818 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3819 if (dev_state == QLA82XX_DEV_READY) {
3820 ql_log(ql_log_info, vha, 0x8025,
3821 "HW State: NEED RESET.\n");
3822 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3823 QLA82XX_DEV_NEED_RESET);
3824 } else
3825 ql_log(ql_log_info, vha, 0x8026,
3826 "Hw State: %s.\n", dev_state < MAX_STATES ?
3827 qdev_state[dev_state] : "Unknown");
3828 qla82xx_idc_unlock(ha);
3829
3830 rval = qla82xx_device_state_handler(vha);
3831
3832 qla82xx_idc_lock(ha);
3833 qla82xx_clear_rst_ready(ha);
3834 qla82xx_idc_unlock(ha);
3835
3836 if (rval == QLA_SUCCESS) {
3837 ha->flags.isp82xx_fw_hung = 0;
3838 ha->flags.isp82xx_reset_hdlr_active = 0;
3839 qla82xx_restart_isp(vha);
3840 }
3841
3842 if (rval) {
3843 vha->flags.online = 1;
3844 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3845 if (ha->isp_abort_cnt == 0) {
3846 ql_log(ql_log_warn, vha, 0x8027,
3847 "ISP error recover failed - board "
3848 "disabled.\n");
3849 /*
3850 * The next call disables the board
3851 * completely.
3852 */
3853 ha->isp_ops->reset_adapter(vha);
3854 vha->flags.online = 0;
3855 clear_bit(ISP_ABORT_RETRY,
3856 &vha->dpc_flags);
3857 rval = QLA_SUCCESS;
3858 } else { /* schedule another ISP abort */
3859 ha->isp_abort_cnt--;
3860 ql_log(ql_log_warn, vha, 0x8036,
3861 "ISP abort - retry remaining %d.\n",
3862 ha->isp_abort_cnt);
3863 rval = QLA_FUNCTION_FAILED;
3864 }
3865 } else {
3866 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3867 ql_dbg(ql_dbg_taskm, vha, 0x8029,
3868 "ISP error recovery - retrying (%d) more times.\n",
3869 ha->isp_abort_cnt);
3870 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3871 rval = QLA_FUNCTION_FAILED;
3872 }
3873 }
3874 return rval;
3875 }
3876
3877 /*
3878 * qla82xx_fcoe_ctx_reset
3879 * Perform a quick reset and aborts all outstanding commands.
3880 * This will only perform an FCoE context reset and avoids a full blown
3881 * chip reset.
3882 *
3883 * Input:
3884 * ha = adapter block pointer.
3885 * is_reset_path = flag for identifying the reset path.
3886 *
3887 * Returns:
3888 * 0 = success
3889 */
3890 int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
3891 {
3892 int rval = QLA_FUNCTION_FAILED;
3893
3894 if (vha->flags.online) {
3895 /* Abort all outstanding commands, so as to be requeued later */
3896 qla2x00_abort_isp_cleanup(vha);
3897 }
3898
3899 /* Stop currently executing firmware.
3900 * This will destroy existing FCoE context at the F/W end.
3901 */
3902 qla2x00_try_to_stop_firmware(vha);
3903
3904 /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
3905 rval = qla82xx_restart_isp(vha);
3906
3907 return rval;
3908 }
3909
3910 /*
3911 * qla2x00_wait_for_fcoe_ctx_reset
3912 * Wait till the FCoE context is reset.
3913 *
3914 * Note:
3915 * Does context switching here.
3916 * Release SPIN_LOCK (if any) before calling this routine.
3917 *
3918 * Return:
3919 * Success (fcoe_ctx reset is done) : 0
3920 * Failed (fcoe_ctx reset not completed within max loop timout ) : 1
3921 */
3922 int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
3923 {
3924 int status = QLA_FUNCTION_FAILED;
3925 unsigned long wait_reset;
3926
3927 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
3928 while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3929 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3930 && time_before(jiffies, wait_reset)) {
3931
3932 set_current_state(TASK_UNINTERRUPTIBLE);
3933 schedule_timeout(HZ);
3934
3935 if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
3936 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3937 status = QLA_SUCCESS;
3938 break;
3939 }
3940 }
3941 ql_dbg(ql_dbg_p3p, vha, 0xb027,
3942 "%s status=%d.\n", status);
3943
3944 return status;
3945 }
3946
3947 void
3948 qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
3949 {
3950 int i;
3951 unsigned long flags;
3952 struct qla_hw_data *ha = vha->hw;
3953
3954 /* Check if 82XX firmware is alive or not
3955 * We may have arrived here from NEED_RESET
3956 * detection only
3957 */
3958 if (!ha->flags.isp82xx_fw_hung) {
3959 for (i = 0; i < 2; i++) {
3960 msleep(1000);
3961 if (qla82xx_check_fw_alive(vha)) {
3962 ha->flags.isp82xx_fw_hung = 1;
3963 if (ha->flags.mbox_busy) {
3964 ha->flags.mbox_int = 1;
3965 complete(&ha->mbx_intr_comp);
3966 }
3967 break;
3968 }
3969 }
3970 }
3971 ql_dbg(ql_dbg_init, vha, 0x00b0,
3972 "Entered %s fw_hung=%d.\n",
3973 __func__, ha->flags.isp82xx_fw_hung);
3974
3975 /* Abort all commands gracefully if fw NOT hung */
3976 if (!ha->flags.isp82xx_fw_hung) {
3977 int cnt, que;
3978 srb_t *sp;
3979 struct req_que *req;
3980
3981 spin_lock_irqsave(&ha->hardware_lock, flags);
3982 for (que = 0; que < ha->max_req_queues; que++) {
3983 req = ha->req_q_map[que];
3984 if (!req)
3985 continue;
3986 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3987 sp = req->outstanding_cmds[cnt];
3988 if (sp) {
3989 if (!sp->ctx ||
3990 (sp->flags & SRB_FCP_CMND_DMA_VALID)) {
3991 spin_unlock_irqrestore(
3992 &ha->hardware_lock, flags);
3993 if (ha->isp_ops->abort_command(sp)) {
3994 ql_log(ql_log_info, vha,
3995 0x00b1,
3996 "mbx abort failed.\n");
3997 } else {
3998 ql_log(ql_log_info, vha,
3999 0x00b2,
4000 "mbx abort success.\n");
4001 }
4002 spin_lock_irqsave(&ha->hardware_lock, flags);
4003 }
4004 }
4005 }
4006 }
4007 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4008
4009 /* Wait for pending cmds (physical and virtual) to complete */
4010 if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
4011 WAIT_HOST) == QLA_SUCCESS) {
4012 ql_dbg(ql_dbg_init, vha, 0x00b3,
4013 "Done wait for "
4014 "pending commands.\n");
4015 }
4016 }
4017 }
linux-next