xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_tmpl.c (revision 4da722ca19f30f7db250db808d1ab1703607a932)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include "qla_tmpl.h"
9 
10 /* note default template is in big endian */
11 static const uint32_t ql27xx_fwdt_default_template[] = {
12 	0x63000000, 0xa4000000, 0x7c050000, 0x00000000,
13 	0x30000000, 0x01000000, 0x00000000, 0xc0406eb4,
14 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
15 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
16 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
17 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
18 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
19 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
20 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
21 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
22 	0x00000000, 0x04010000, 0x14000000, 0x00000000,
23 	0x02000000, 0x44000000, 0x09010000, 0x10000000,
24 	0x00000000, 0x02000000, 0x01010000, 0x1c000000,
25 	0x00000000, 0x02000000, 0x00600000, 0x00000000,
26 	0xc0000000, 0x01010000, 0x1c000000, 0x00000000,
27 	0x02000000, 0x00600000, 0x00000000, 0xcc000000,
28 	0x01010000, 0x1c000000, 0x00000000, 0x02000000,
29 	0x10600000, 0x00000000, 0xd4000000, 0x01010000,
30 	0x1c000000, 0x00000000, 0x02000000, 0x700f0000,
31 	0x00000060, 0xf0000000, 0x00010000, 0x18000000,
32 	0x00000000, 0x02000000, 0x00700000, 0x041000c0,
33 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
34 	0x10700000, 0x041000c0, 0x00010000, 0x18000000,
35 	0x00000000, 0x02000000, 0x40700000, 0x041000c0,
36 	0x01010000, 0x1c000000, 0x00000000, 0x02000000,
37 	0x007c0000, 0x01000000, 0xc0000000, 0x00010000,
38 	0x18000000, 0x00000000, 0x02000000, 0x007c0000,
39 	0x040300c4, 0x00010000, 0x18000000, 0x00000000,
40 	0x02000000, 0x007c0000, 0x040100c0, 0x01010000,
41 	0x1c000000, 0x00000000, 0x02000000, 0x007c0000,
42 	0x00000000, 0xc0000000, 0x00010000, 0x18000000,
43 	0x00000000, 0x02000000, 0x007c0000, 0x04200000,
44 	0x0b010000, 0x18000000, 0x00000000, 0x02000000,
45 	0x0c000000, 0x00000000, 0x02010000, 0x20000000,
46 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
47 	0xf0000000, 0x000000b0, 0x02010000, 0x20000000,
48 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
49 	0xf0000000, 0x000010b0, 0x02010000, 0x20000000,
50 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
51 	0xf0000000, 0x000020b0, 0x02010000, 0x20000000,
52 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
53 	0xf0000000, 0x000030b0, 0x02010000, 0x20000000,
54 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
55 	0xf0000000, 0x000040b0, 0x02010000, 0x20000000,
56 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
57 	0xf0000000, 0x000050b0, 0x02010000, 0x20000000,
58 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
59 	0xf0000000, 0x000060b0, 0x02010000, 0x20000000,
60 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
61 	0xf0000000, 0x000070b0, 0x02010000, 0x20000000,
62 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
63 	0xf0000000, 0x000080b0, 0x02010000, 0x20000000,
64 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
65 	0xf0000000, 0x000090b0, 0x02010000, 0x20000000,
66 	0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
67 	0xf0000000, 0x0000a0b0, 0x00010000, 0x18000000,
68 	0x00000000, 0x02000000, 0x0a000000, 0x040100c0,
69 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
70 	0x0a000000, 0x04200080, 0x00010000, 0x18000000,
71 	0x00000000, 0x02000000, 0x00be0000, 0x041000c0,
72 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
73 	0x10be0000, 0x041000c0, 0x00010000, 0x18000000,
74 	0x00000000, 0x02000000, 0x20be0000, 0x041000c0,
75 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
76 	0x30be0000, 0x041000c0, 0x00010000, 0x18000000,
77 	0x00000000, 0x02000000, 0x00b00000, 0x041000c0,
78 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
79 	0x10b00000, 0x041000c0, 0x00010000, 0x18000000,
80 	0x00000000, 0x02000000, 0x20b00000, 0x041000c0,
81 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
82 	0x30b00000, 0x041000c0, 0x00010000, 0x18000000,
83 	0x00000000, 0x02000000, 0x00300000, 0x041000c0,
84 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
85 	0x10300000, 0x041000c0, 0x00010000, 0x18000000,
86 	0x00000000, 0x02000000, 0x20300000, 0x041000c0,
87 	0x00010000, 0x18000000, 0x00000000, 0x02000000,
88 	0x30300000, 0x041000c0, 0x0a010000, 0x10000000,
89 	0x00000000, 0x02000000, 0x06010000, 0x1c000000,
90 	0x00000000, 0x02000000, 0x01000000, 0x00000200,
91 	0xff230200, 0x06010000, 0x1c000000, 0x00000000,
92 	0x02000000, 0x02000000, 0x00001000, 0x00000000,
93 	0x07010000, 0x18000000, 0x00000000, 0x02000000,
94 	0x00000000, 0x01000000, 0x07010000, 0x18000000,
95 	0x00000000, 0x02000000, 0x00000000, 0x02000000,
96 	0x07010000, 0x18000000, 0x00000000, 0x02000000,
97 	0x00000000, 0x03000000, 0x0d010000, 0x14000000,
98 	0x00000000, 0x02000000, 0x00000000, 0xff000000,
99 	0x10000000, 0x00000000, 0x00000080,
100 };
101 
102 static inline void __iomem *
103 qla27xx_isp_reg(struct scsi_qla_host *vha)
104 {
105 	return &vha->hw->iobase->isp24;
106 }
107 
108 static inline void
109 qla27xx_insert16(uint16_t value, void *buf, ulong *len)
110 {
111 	if (buf) {
112 		buf += *len;
113 		*(__le16 *)buf = cpu_to_le16(value);
114 	}
115 	*len += sizeof(value);
116 }
117 
118 static inline void
119 qla27xx_insert32(uint32_t value, void *buf, ulong *len)
120 {
121 	if (buf) {
122 		buf += *len;
123 		*(__le32 *)buf = cpu_to_le32(value);
124 	}
125 	*len += sizeof(value);
126 }
127 
128 static inline void
129 qla27xx_insertbuf(void *mem, ulong size, void *buf, ulong *len)
130 {
131 
132 	if (buf && mem && size) {
133 		buf += *len;
134 		memcpy(buf, mem, size);
135 	}
136 	*len += size;
137 }
138 
139 static inline void
140 qla27xx_read8(void __iomem *window, void *buf, ulong *len)
141 {
142 	uint8_t value = ~0;
143 
144 	if (buf) {
145 		value = RD_REG_BYTE(window);
146 	}
147 	qla27xx_insert32(value, buf, len);
148 }
149 
150 static inline void
151 qla27xx_read16(void __iomem *window, void *buf, ulong *len)
152 {
153 	uint16_t value = ~0;
154 
155 	if (buf) {
156 		value = RD_REG_WORD(window);
157 	}
158 	qla27xx_insert32(value, buf, len);
159 }
160 
161 static inline void
162 qla27xx_read32(void __iomem *window, void *buf, ulong *len)
163 {
164 	uint32_t value = ~0;
165 
166 	if (buf) {
167 		value = RD_REG_DWORD(window);
168 	}
169 	qla27xx_insert32(value, buf, len);
170 }
171 
172 static inline void (*qla27xx_read_vector(uint width))(void __iomem*, void *, ulong *)
173 {
174 	return
175 	    (width == 1) ? qla27xx_read8 :
176 	    (width == 2) ? qla27xx_read16 :
177 			   qla27xx_read32;
178 }
179 
180 static inline void
181 qla27xx_read_reg(__iomem struct device_reg_24xx *reg,
182 	uint offset, void *buf, ulong *len)
183 {
184 	void __iomem *window = (void __iomem *)reg + offset;
185 
186 	qla27xx_read32(window, buf, len);
187 }
188 
189 static inline void
190 qla27xx_write_reg(__iomem struct device_reg_24xx *reg,
191 	uint offset, uint32_t data, void *buf)
192 {
193 	__iomem void *window = (void __iomem *)reg + offset;
194 
195 	if (buf) {
196 		WRT_REG_DWORD(window, data);
197 	}
198 }
199 
200 static inline void
201 qla27xx_read_window(__iomem struct device_reg_24xx *reg,
202 	uint32_t addr, uint offset, uint count, uint width, void *buf,
203 	ulong *len)
204 {
205 	void __iomem *window = (void __iomem *)reg + offset;
206 	void (*readn)(void __iomem*, void *, ulong *) = qla27xx_read_vector(width);
207 
208 	qla27xx_write_reg(reg, IOBASE_ADDR, addr, buf);
209 	while (count--) {
210 		qla27xx_insert32(addr, buf, len);
211 		readn(window, buf, len);
212 		window += width;
213 		addr++;
214 	}
215 }
216 
217 static inline void
218 qla27xx_skip_entry(struct qla27xx_fwdt_entry *ent, void *buf)
219 {
220 	if (buf)
221 		ent->hdr.driver_flags |= DRIVER_FLAG_SKIP_ENTRY;
222 }
223 
224 static int
225 qla27xx_fwdt_entry_t0(struct scsi_qla_host *vha,
226 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
227 {
228 	ql_dbg(ql_dbg_misc, vha, 0xd100,
229 	    "%s: nop [%lx]\n", __func__, *len);
230 	qla27xx_skip_entry(ent, buf);
231 
232 	return false;
233 }
234 
235 static int
236 qla27xx_fwdt_entry_t255(struct scsi_qla_host *vha,
237 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
238 {
239 	ql_dbg(ql_dbg_misc, vha, 0xd1ff,
240 	    "%s: end [%lx]\n", __func__, *len);
241 	qla27xx_skip_entry(ent, buf);
242 
243 	/* terminate */
244 	return true;
245 }
246 
247 static int
248 qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha,
249 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
250 {
251 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
252 
253 	ql_dbg(ql_dbg_misc, vha, 0xd200,
254 	    "%s: rdio t1 [%lx]\n", __func__, *len);
255 	qla27xx_read_window(reg, ent->t256.base_addr, ent->t256.pci_offset,
256 	    ent->t256.reg_count, ent->t256.reg_width, buf, len);
257 
258 	return false;
259 }
260 
261 static int
262 qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha,
263 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
264 {
265 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
266 
267 	ql_dbg(ql_dbg_misc, vha, 0xd201,
268 	    "%s: wrio t1 [%lx]\n", __func__, *len);
269 	qla27xx_write_reg(reg, IOBASE_ADDR, ent->t257.base_addr, buf);
270 	qla27xx_write_reg(reg, ent->t257.pci_offset, ent->t257.write_data, buf);
271 
272 	return false;
273 }
274 
275 static int
276 qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha,
277 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
278 {
279 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
280 
281 	ql_dbg(ql_dbg_misc, vha, 0xd202,
282 	    "%s: rdio t2 [%lx]\n", __func__, *len);
283 	qla27xx_write_reg(reg, ent->t258.banksel_offset, ent->t258.bank, buf);
284 	qla27xx_read_window(reg, ent->t258.base_addr, ent->t258.pci_offset,
285 	    ent->t258.reg_count, ent->t258.reg_width, buf, len);
286 
287 	return false;
288 }
289 
290 static int
291 qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha,
292 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
293 {
294 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
295 
296 	ql_dbg(ql_dbg_misc, vha, 0xd203,
297 	    "%s: wrio t2 [%lx]\n", __func__, *len);
298 	qla27xx_write_reg(reg, IOBASE_ADDR, ent->t259.base_addr, buf);
299 	qla27xx_write_reg(reg, ent->t259.banksel_offset, ent->t259.bank, buf);
300 	qla27xx_write_reg(reg, ent->t259.pci_offset, ent->t259.write_data, buf);
301 
302 	return false;
303 }
304 
305 static int
306 qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha,
307 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
308 {
309 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
310 
311 	ql_dbg(ql_dbg_misc, vha, 0xd204,
312 	    "%s: rdpci [%lx]\n", __func__, *len);
313 	qla27xx_insert32(ent->t260.pci_offset, buf, len);
314 	qla27xx_read_reg(reg, ent->t260.pci_offset, buf, len);
315 
316 	return false;
317 }
318 
319 static int
320 qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha,
321 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
322 {
323 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
324 
325 	ql_dbg(ql_dbg_misc, vha, 0xd205,
326 	    "%s: wrpci [%lx]\n", __func__, *len);
327 	qla27xx_write_reg(reg, ent->t261.pci_offset, ent->t261.write_data, buf);
328 
329 	return false;
330 }
331 
332 static int
333 qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha,
334 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
335 {
336 	ulong dwords;
337 	ulong start;
338 	ulong end;
339 
340 	ql_dbg(ql_dbg_misc, vha, 0xd206,
341 	    "%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len);
342 	start = ent->t262.start_addr;
343 	end = ent->t262.end_addr;
344 
345 	if (ent->t262.ram_area == T262_RAM_AREA_CRITICAL_RAM) {
346 		;
347 	} else if (ent->t262.ram_area == T262_RAM_AREA_EXTERNAL_RAM) {
348 		end = vha->hw->fw_memory_size;
349 		if (buf)
350 			ent->t262.end_addr = end;
351 	} else if (ent->t262.ram_area == T262_RAM_AREA_SHARED_RAM) {
352 		start = vha->hw->fw_shared_ram_start;
353 		end = vha->hw->fw_shared_ram_end;
354 		if (buf) {
355 			ent->t262.start_addr = start;
356 			ent->t262.end_addr = end;
357 		}
358 	} else if (ent->t262.ram_area == T262_RAM_AREA_DDR_RAM) {
359 		start = vha->hw->fw_ddr_ram_start;
360 		end = vha->hw->fw_ddr_ram_end;
361 		if (buf) {
362 			ent->t262.start_addr = start;
363 			ent->t262.end_addr = end;
364 		}
365 	} else {
366 		ql_dbg(ql_dbg_misc, vha, 0xd022,
367 		    "%s: unknown area %x\n", __func__, ent->t262.ram_area);
368 		qla27xx_skip_entry(ent, buf);
369 		goto done;
370 	}
371 
372 	if (end < start || start == 0 || end == 0) {
373 		ql_dbg(ql_dbg_misc, vha, 0xd023,
374 		    "%s: unusable range (start=%x end=%x)\n", __func__,
375 		    ent->t262.end_addr, ent->t262.start_addr);
376 		qla27xx_skip_entry(ent, buf);
377 		goto done;
378 	}
379 
380 	dwords = end - start + 1;
381 	if (buf) {
382 		buf += *len;
383 		qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf);
384 	}
385 	*len += dwords * sizeof(uint32_t);
386 done:
387 	return false;
388 }
389 
390 static int
391 qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha,
392 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
393 {
394 	uint count = 0;
395 	uint i;
396 	uint length;
397 
398 	ql_dbg(ql_dbg_misc, vha, 0xd207,
399 	    "%s: getq(%x) [%lx]\n", __func__, ent->t263.queue_type, *len);
400 	if (ent->t263.queue_type == T263_QUEUE_TYPE_REQ) {
401 		for (i = 0; i < vha->hw->max_req_queues; i++) {
402 			struct req_que *req = vha->hw->req_q_map[i];
403 
404 			if (!test_bit(i, vha->hw->req_qid_map))
405 				continue;
406 
407 			if (req || !buf) {
408 				length = req ?
409 				    req->length : REQUEST_ENTRY_CNT_24XX;
410 				qla27xx_insert16(i, buf, len);
411 				qla27xx_insert16(length, buf, len);
412 				qla27xx_insertbuf(req ? req->ring : NULL,
413 				    length * sizeof(*req->ring), buf, len);
414 				count++;
415 			}
416 		}
417 	} else if (ent->t263.queue_type == T263_QUEUE_TYPE_RSP) {
418 		for (i = 0; i < vha->hw->max_rsp_queues; i++) {
419 			struct rsp_que *rsp = vha->hw->rsp_q_map[i];
420 
421 			if (!test_bit(i, vha->hw->rsp_qid_map))
422 				continue;
423 
424 			if (rsp || !buf) {
425 				length = rsp ?
426 				    rsp->length : RESPONSE_ENTRY_CNT_MQ;
427 				qla27xx_insert16(i, buf, len);
428 				qla27xx_insert16(length, buf, len);
429 				qla27xx_insertbuf(rsp ? rsp->ring : NULL,
430 				    length * sizeof(*rsp->ring), buf, len);
431 				count++;
432 			}
433 		}
434 	} else if (QLA_TGT_MODE_ENABLED() &&
435 	    ent->t263.queue_type == T263_QUEUE_TYPE_ATIO) {
436 		struct qla_hw_data *ha = vha->hw;
437 		struct atio *atr = ha->tgt.atio_ring;
438 
439 		if (atr || !buf) {
440 			length = ha->tgt.atio_q_length;
441 			qla27xx_insert16(0, buf, len);
442 			qla27xx_insert16(length, buf, len);
443 			qla27xx_insertbuf(atr, length * sizeof(*atr), buf, len);
444 			count++;
445 		}
446 	} else {
447 		ql_dbg(ql_dbg_misc, vha, 0xd026,
448 		    "%s: unknown queue %x\n", __func__, ent->t263.queue_type);
449 		qla27xx_skip_entry(ent, buf);
450 	}
451 
452 	if (buf)
453 		ent->t263.num_queues = count;
454 
455 	return false;
456 }
457 
458 static int
459 qla27xx_fwdt_entry_t264(struct scsi_qla_host *vha,
460 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
461 {
462 	ql_dbg(ql_dbg_misc, vha, 0xd208,
463 	    "%s: getfce [%lx]\n", __func__, *len);
464 	if (vha->hw->fce) {
465 		if (buf) {
466 			ent->t264.fce_trace_size = FCE_SIZE;
467 			ent->t264.write_pointer = vha->hw->fce_wr;
468 			ent->t264.base_pointer = vha->hw->fce_dma;
469 			ent->t264.fce_enable_mb0 = vha->hw->fce_mb[0];
470 			ent->t264.fce_enable_mb2 = vha->hw->fce_mb[2];
471 			ent->t264.fce_enable_mb3 = vha->hw->fce_mb[3];
472 			ent->t264.fce_enable_mb4 = vha->hw->fce_mb[4];
473 			ent->t264.fce_enable_mb5 = vha->hw->fce_mb[5];
474 			ent->t264.fce_enable_mb6 = vha->hw->fce_mb[6];
475 		}
476 		qla27xx_insertbuf(vha->hw->fce, FCE_SIZE, buf, len);
477 	} else {
478 		ql_dbg(ql_dbg_misc, vha, 0xd027,
479 		    "%s: missing fce\n", __func__);
480 		qla27xx_skip_entry(ent, buf);
481 	}
482 
483 	return false;
484 }
485 
486 static int
487 qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha,
488 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
489 {
490 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
491 
492 	ql_dbg(ql_dbg_misc, vha, 0xd209,
493 	    "%s: pause risc [%lx]\n", __func__, *len);
494 	if (buf)
495 		qla24xx_pause_risc(reg, vha->hw);
496 
497 	return false;
498 }
499 
500 static int
501 qla27xx_fwdt_entry_t266(struct scsi_qla_host *vha,
502 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
503 {
504 	ql_dbg(ql_dbg_misc, vha, 0xd20a,
505 	    "%s: reset risc [%lx]\n", __func__, *len);
506 	if (buf)
507 		qla24xx_soft_reset(vha->hw);
508 
509 	return false;
510 }
511 
512 static int
513 qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha,
514 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
515 {
516 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
517 
518 	ql_dbg(ql_dbg_misc, vha, 0xd20b,
519 	    "%s: dis intr [%lx]\n", __func__, *len);
520 	qla27xx_write_reg(reg, ent->t267.pci_offset, ent->t267.data, buf);
521 
522 	return false;
523 }
524 
525 static int
526 qla27xx_fwdt_entry_t268(struct scsi_qla_host *vha,
527 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
528 {
529 	ql_dbg(ql_dbg_misc, vha, 0xd20c,
530 	    "%s: gethb(%x) [%lx]\n", __func__, ent->t268.buf_type, *len);
531 	if (ent->t268.buf_type == T268_BUF_TYPE_EXTD_TRACE) {
532 		if (vha->hw->eft) {
533 			if (buf) {
534 				ent->t268.buf_size = EFT_SIZE;
535 				ent->t268.start_addr = vha->hw->eft_dma;
536 			}
537 			qla27xx_insertbuf(vha->hw->eft, EFT_SIZE, buf, len);
538 		} else {
539 			ql_dbg(ql_dbg_misc, vha, 0xd028,
540 			    "%s: missing eft\n", __func__);
541 			qla27xx_skip_entry(ent, buf);
542 		}
543 	} else {
544 		ql_dbg(ql_dbg_misc, vha, 0xd02b,
545 		    "%s: unknown buffer %x\n", __func__, ent->t268.buf_type);
546 		qla27xx_skip_entry(ent, buf);
547 	}
548 
549 	return false;
550 }
551 
552 static int
553 qla27xx_fwdt_entry_t269(struct scsi_qla_host *vha,
554 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
555 {
556 	ql_dbg(ql_dbg_misc, vha, 0xd20d,
557 	    "%s: scratch [%lx]\n", __func__, *len);
558 	qla27xx_insert32(0xaaaaaaaa, buf, len);
559 	qla27xx_insert32(0xbbbbbbbb, buf, len);
560 	qla27xx_insert32(0xcccccccc, buf, len);
561 	qla27xx_insert32(0xdddddddd, buf, len);
562 	qla27xx_insert32(*len + sizeof(uint32_t), buf, len);
563 	if (buf)
564 		ent->t269.scratch_size = 5 * sizeof(uint32_t);
565 
566 	return false;
567 }
568 
569 static int
570 qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha,
571 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
572 {
573 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
574 	ulong dwords = ent->t270.count;
575 	ulong addr = ent->t270.addr;
576 
577 	ql_dbg(ql_dbg_misc, vha, 0xd20e,
578 	    "%s: rdremreg [%lx]\n", __func__, *len);
579 	qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf);
580 	while (dwords--) {
581 		qla27xx_write_reg(reg, 0xc0, addr|0x80000000, buf);
582 		qla27xx_insert32(addr, buf, len);
583 		qla27xx_read_reg(reg, 0xc4, buf, len);
584 		addr += sizeof(uint32_t);
585 	}
586 
587 	return false;
588 }
589 
590 static int
591 qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha,
592 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
593 {
594 	struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
595 	ulong addr = ent->t271.addr;
596 	ulong data = ent->t271.data;
597 
598 	ql_dbg(ql_dbg_misc, vha, 0xd20f,
599 	    "%s: wrremreg [%lx]\n", __func__, *len);
600 	qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf);
601 	qla27xx_write_reg(reg, 0xc4, data, buf);
602 	qla27xx_write_reg(reg, 0xc0, addr, buf);
603 
604 	return false;
605 }
606 
607 static int
608 qla27xx_fwdt_entry_t272(struct scsi_qla_host *vha,
609 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
610 {
611 	ulong dwords = ent->t272.count;
612 	ulong start = ent->t272.addr;
613 
614 	ql_dbg(ql_dbg_misc, vha, 0xd210,
615 	    "%s: rdremram [%lx]\n", __func__, *len);
616 	if (buf) {
617 		ql_dbg(ql_dbg_misc, vha, 0xd02c,
618 		    "%s: @%lx -> (%lx dwords)\n", __func__, start, dwords);
619 		buf += *len;
620 		qla27xx_dump_mpi_ram(vha->hw, start, buf, dwords, &buf);
621 	}
622 	*len += dwords * sizeof(uint32_t);
623 
624 	return false;
625 }
626 
627 static int
628 qla27xx_fwdt_entry_t273(struct scsi_qla_host *vha,
629 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
630 {
631 	ulong dwords = ent->t273.count;
632 	ulong addr = ent->t273.addr;
633 	uint32_t value;
634 
635 	ql_dbg(ql_dbg_misc, vha, 0xd211,
636 	    "%s: pcicfg [%lx]\n", __func__, *len);
637 	while (dwords--) {
638 		value = ~0;
639 		if (pci_read_config_dword(vha->hw->pdev, addr, &value))
640 			ql_dbg(ql_dbg_misc, vha, 0xd02d,
641 			    "%s: failed pcicfg read at %lx\n", __func__, addr);
642 		qla27xx_insert32(addr, buf, len);
643 		qla27xx_insert32(value, buf, len);
644 		addr += sizeof(uint32_t);
645 	}
646 
647 	return false;
648 }
649 
650 static int
651 qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha,
652 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
653 {
654 	uint count = 0;
655 	uint i;
656 
657 	ql_dbg(ql_dbg_misc, vha, 0xd212,
658 	    "%s: getqsh(%x) [%lx]\n", __func__, ent->t274.queue_type, *len);
659 	if (ent->t274.queue_type == T274_QUEUE_TYPE_REQ_SHAD) {
660 		for (i = 0; i < vha->hw->max_req_queues; i++) {
661 			struct req_que *req = vha->hw->req_q_map[i];
662 
663 			if (!test_bit(i, vha->hw->req_qid_map))
664 				continue;
665 
666 			if (req || !buf) {
667 				qla27xx_insert16(i, buf, len);
668 				qla27xx_insert16(1, buf, len);
669 				qla27xx_insert32(req && req->out_ptr ?
670 				    *req->out_ptr : 0, buf, len);
671 				count++;
672 			}
673 		}
674 	} else if (ent->t274.queue_type == T274_QUEUE_TYPE_RSP_SHAD) {
675 		for (i = 0; i < vha->hw->max_rsp_queues; i++) {
676 			struct rsp_que *rsp = vha->hw->rsp_q_map[i];
677 
678 			if (!test_bit(i, vha->hw->rsp_qid_map))
679 				continue;
680 
681 			if (rsp || !buf) {
682 				qla27xx_insert16(i, buf, len);
683 				qla27xx_insert16(1, buf, len);
684 				qla27xx_insert32(rsp && rsp->in_ptr ?
685 				    *rsp->in_ptr : 0, buf, len);
686 				count++;
687 			}
688 		}
689 	} else if (QLA_TGT_MODE_ENABLED() &&
690 	    ent->t274.queue_type == T274_QUEUE_TYPE_ATIO_SHAD) {
691 		struct qla_hw_data *ha = vha->hw;
692 		struct atio *atr = ha->tgt.atio_ring_ptr;
693 
694 		if (atr || !buf) {
695 			qla27xx_insert16(0, buf, len);
696 			qla27xx_insert16(1, buf, len);
697 			qla27xx_insert32(ha->tgt.atio_q_in ?
698 			    readl(ha->tgt.atio_q_in) : 0, buf, len);
699 			count++;
700 		}
701 	} else {
702 		ql_dbg(ql_dbg_misc, vha, 0xd02f,
703 		    "%s: unknown queue %x\n", __func__, ent->t274.queue_type);
704 		qla27xx_skip_entry(ent, buf);
705 	}
706 
707 	if (buf)
708 		ent->t274.num_queues = count;
709 
710 	if (!count)
711 		qla27xx_skip_entry(ent, buf);
712 
713 	return false;
714 }
715 
716 static int
717 qla27xx_fwdt_entry_t275(struct scsi_qla_host *vha,
718 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
719 {
720 	ulong offset = offsetof(typeof(*ent), t275.buffer);
721 
722 	ql_dbg(ql_dbg_misc, vha, 0xd213,
723 	    "%s: buffer(%x) [%lx]\n", __func__, ent->t275.length, *len);
724 	if (!ent->t275.length) {
725 		ql_dbg(ql_dbg_misc, vha, 0xd020,
726 		    "%s: buffer zero length\n", __func__);
727 		qla27xx_skip_entry(ent, buf);
728 		goto done;
729 	}
730 	if (offset + ent->t275.length > ent->hdr.entry_size) {
731 		ql_dbg(ql_dbg_misc, vha, 0xd030,
732 		    "%s: buffer overflow\n", __func__);
733 		qla27xx_skip_entry(ent, buf);
734 		goto done;
735 	}
736 
737 	qla27xx_insertbuf(ent->t275.buffer, ent->t275.length, buf, len);
738 done:
739 	return false;
740 }
741 
742 static int
743 qla27xx_fwdt_entry_other(struct scsi_qla_host *vha,
744 	struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
745 {
746 	ql_dbg(ql_dbg_misc, vha, 0xd2ff,
747 	    "%s: type %x [%lx]\n", __func__, ent->hdr.entry_type, *len);
748 	qla27xx_skip_entry(ent, buf);
749 
750 	return false;
751 }
752 
753 struct qla27xx_fwdt_entry_call {
754 	uint type;
755 	int (*call)(
756 	    struct scsi_qla_host *,
757 	    struct qla27xx_fwdt_entry *,
758 	    void *,
759 	    ulong *);
760 };
761 
762 static struct qla27xx_fwdt_entry_call ql27xx_fwdt_entry_call_list[] = {
763 	{ ENTRY_TYPE_NOP		, qla27xx_fwdt_entry_t0    } ,
764 	{ ENTRY_TYPE_TMP_END		, qla27xx_fwdt_entry_t255  } ,
765 	{ ENTRY_TYPE_RD_IOB_T1		, qla27xx_fwdt_entry_t256  } ,
766 	{ ENTRY_TYPE_WR_IOB_T1		, qla27xx_fwdt_entry_t257  } ,
767 	{ ENTRY_TYPE_RD_IOB_T2		, qla27xx_fwdt_entry_t258  } ,
768 	{ ENTRY_TYPE_WR_IOB_T2		, qla27xx_fwdt_entry_t259  } ,
769 	{ ENTRY_TYPE_RD_PCI		, qla27xx_fwdt_entry_t260  } ,
770 	{ ENTRY_TYPE_WR_PCI		, qla27xx_fwdt_entry_t261  } ,
771 	{ ENTRY_TYPE_RD_RAM		, qla27xx_fwdt_entry_t262  } ,
772 	{ ENTRY_TYPE_GET_QUEUE		, qla27xx_fwdt_entry_t263  } ,
773 	{ ENTRY_TYPE_GET_FCE		, qla27xx_fwdt_entry_t264  } ,
774 	{ ENTRY_TYPE_PSE_RISC		, qla27xx_fwdt_entry_t265  } ,
775 	{ ENTRY_TYPE_RST_RISC		, qla27xx_fwdt_entry_t266  } ,
776 	{ ENTRY_TYPE_DIS_INTR		, qla27xx_fwdt_entry_t267  } ,
777 	{ ENTRY_TYPE_GET_HBUF		, qla27xx_fwdt_entry_t268  } ,
778 	{ ENTRY_TYPE_SCRATCH		, qla27xx_fwdt_entry_t269  } ,
779 	{ ENTRY_TYPE_RDREMREG		, qla27xx_fwdt_entry_t270  } ,
780 	{ ENTRY_TYPE_WRREMREG		, qla27xx_fwdt_entry_t271  } ,
781 	{ ENTRY_TYPE_RDREMRAM		, qla27xx_fwdt_entry_t272  } ,
782 	{ ENTRY_TYPE_PCICFG		, qla27xx_fwdt_entry_t273  } ,
783 	{ ENTRY_TYPE_GET_SHADOW		, qla27xx_fwdt_entry_t274  } ,
784 	{ ENTRY_TYPE_WRITE_BUF		, qla27xx_fwdt_entry_t275  } ,
785 	{ -1				, qla27xx_fwdt_entry_other }
786 };
787 
788 static inline int (*qla27xx_find_entry(uint type))
789 	(struct scsi_qla_host *, struct qla27xx_fwdt_entry *, void *, ulong *)
790 {
791 	struct qla27xx_fwdt_entry_call *list = ql27xx_fwdt_entry_call_list;
792 
793 	while (list->type < type)
794 		list++;
795 
796 	if (list->type == type)
797 		return list->call;
798 	return qla27xx_fwdt_entry_other;
799 }
800 
801 static inline void *
802 qla27xx_next_entry(void *p)
803 {
804 	struct qla27xx_fwdt_entry *ent = p;
805 
806 	return p + ent->hdr.entry_size;
807 }
808 
809 static void
810 qla27xx_walk_template(struct scsi_qla_host *vha,
811 	struct qla27xx_fwdt_template *tmp, void *buf, ulong *len)
812 {
813 	struct qla27xx_fwdt_entry *ent = (void *)tmp + tmp->entry_offset;
814 	ulong count = tmp->entry_count;
815 
816 	ql_dbg(ql_dbg_misc, vha, 0xd01a,
817 	    "%s: entry count %lx\n", __func__, count);
818 	while (count--) {
819 		if (buf && *len >= vha->hw->fw_dump_len)
820 			break;
821 		if (qla27xx_find_entry(ent->hdr.entry_type)(vha, ent, buf, len))
822 			break;
823 		ent = qla27xx_next_entry(ent);
824 	}
825 
826 	if (count)
827 		ql_dbg(ql_dbg_misc, vha, 0xd018,
828 		    "%s: entry residual count (%lx)\n", __func__, count);
829 
830 	if (ent->hdr.entry_type != ENTRY_TYPE_TMP_END)
831 		ql_dbg(ql_dbg_misc, vha, 0xd019,
832 		    "%s: missing end entry (%lx)\n", __func__, count);
833 
834 	if (buf && *len != vha->hw->fw_dump_len)
835 		ql_dbg(ql_dbg_misc, vha, 0xd01b,
836 		    "%s: length=%#lx residual=%+ld\n",
837 		    __func__, *len, vha->hw->fw_dump_len - *len);
838 
839 	if (buf) {
840 		ql_log(ql_log_warn, vha, 0xd015,
841 		    "Firmware dump saved to temp buffer (%lu/%p)\n",
842 		    vha->host_no, vha->hw->fw_dump);
843 		qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
844 	}
845 }
846 
847 static void
848 qla27xx_time_stamp(struct qla27xx_fwdt_template *tmp)
849 {
850 	tmp->capture_timestamp = jiffies;
851 }
852 
853 static void
854 qla27xx_driver_info(struct qla27xx_fwdt_template *tmp)
855 {
856 	uint8_t v[] = { 0, 0, 0, 0, 0, 0 };
857 
858 	sscanf(qla2x00_version_str, "%hhu.%hhu.%hhu.%hhu.%hhu.%hhu",
859 	    v+0, v+1, v+2, v+3, v+4, v+5);
860 
861 	tmp->driver_info[0] = v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0];
862 	tmp->driver_info[1] = v[5] << 8 | v[4];
863 	tmp->driver_info[2] = 0x12345678;
864 }
865 
866 static void
867 qla27xx_firmware_info(struct qla27xx_fwdt_template *tmp,
868 	struct scsi_qla_host *vha)
869 {
870 	tmp->firmware_version[0] = vha->hw->fw_major_version;
871 	tmp->firmware_version[1] = vha->hw->fw_minor_version;
872 	tmp->firmware_version[2] = vha->hw->fw_subminor_version;
873 	tmp->firmware_version[3] =
874 	    vha->hw->fw_attributes_h << 16 | vha->hw->fw_attributes;
875 	tmp->firmware_version[4] =
876 	    vha->hw->fw_attributes_ext[1] << 16 | vha->hw->fw_attributes_ext[0];
877 }
878 
879 static void
880 ql27xx_edit_template(struct scsi_qla_host *vha,
881 	struct qla27xx_fwdt_template *tmp)
882 {
883 	qla27xx_time_stamp(tmp);
884 	qla27xx_driver_info(tmp);
885 	qla27xx_firmware_info(tmp, vha);
886 }
887 
888 static inline uint32_t
889 qla27xx_template_checksum(void *p, ulong size)
890 {
891 	uint32_t *buf = p;
892 	uint64_t sum = 0;
893 
894 	size /= sizeof(*buf);
895 
896 	while (size--)
897 		sum += *buf++;
898 
899 	sum = (sum & 0xffffffff) + (sum >> 32);
900 
901 	return ~sum;
902 }
903 
904 static inline int
905 qla27xx_verify_template_checksum(struct qla27xx_fwdt_template *tmp)
906 {
907 	return qla27xx_template_checksum(tmp, tmp->template_size) == 0;
908 }
909 
910 static inline int
911 qla27xx_verify_template_header(struct qla27xx_fwdt_template *tmp)
912 {
913 	return tmp->template_type == TEMPLATE_TYPE_FWDUMP;
914 }
915 
916 static void
917 qla27xx_execute_fwdt_template(struct scsi_qla_host *vha)
918 {
919 	struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template;
920 	ulong len;
921 
922 	if (qla27xx_fwdt_template_valid(tmp)) {
923 		len = tmp->template_size;
924 		tmp = memcpy(vha->hw->fw_dump, tmp, len);
925 		ql27xx_edit_template(vha, tmp);
926 		qla27xx_walk_template(vha, tmp, tmp, &len);
927 		vha->hw->fw_dump_len = len;
928 		vha->hw->fw_dumped = 1;
929 	}
930 }
931 
932 ulong
933 qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha)
934 {
935 	struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template;
936 	ulong len = 0;
937 
938 	if (qla27xx_fwdt_template_valid(tmp)) {
939 		len = tmp->template_size;
940 		qla27xx_walk_template(vha, tmp, NULL, &len);
941 	}
942 
943 	return len;
944 }
945 
946 ulong
947 qla27xx_fwdt_template_size(void *p)
948 {
949 	struct qla27xx_fwdt_template *tmp = p;
950 
951 	return tmp->template_size;
952 }
953 
954 ulong
955 qla27xx_fwdt_template_default_size(void)
956 {
957 	return sizeof(ql27xx_fwdt_default_template);
958 }
959 
960 const void *
961 qla27xx_fwdt_template_default(void)
962 {
963 	return ql27xx_fwdt_default_template;
964 }
965 
966 int
967 qla27xx_fwdt_template_valid(void *p)
968 {
969 	struct qla27xx_fwdt_template *tmp = p;
970 
971 	if (!qla27xx_verify_template_header(tmp)) {
972 		ql_log(ql_log_warn, NULL, 0xd01c,
973 		    "%s: template type %x\n", __func__, tmp->template_type);
974 		return false;
975 	}
976 
977 	if (!qla27xx_verify_template_checksum(tmp)) {
978 		ql_log(ql_log_warn, NULL, 0xd01d,
979 		    "%s: failed template checksum\n", __func__);
980 		return false;
981 	}
982 
983 	return true;
984 }
985 
986 void
987 qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked)
988 {
989 	ulong flags = 0;
990 
991 #ifndef __CHECKER__
992 	if (!hardware_locked)
993 		spin_lock_irqsave(&vha->hw->hardware_lock, flags);
994 #endif
995 
996 	if (!vha->hw->fw_dump)
997 		ql_log(ql_log_warn, vha, 0xd01e, "fwdump buffer missing.\n");
998 	else if (!vha->hw->fw_dump_template)
999 		ql_log(ql_log_warn, vha, 0xd01f, "fwdump template missing.\n");
1000 	else if (vha->hw->fw_dumped)
1001 		ql_log(ql_log_warn, vha, 0xd300,
1002 		    "Firmware has been previously dumped (%p),"
1003 		    " -- ignoring request\n", vha->hw->fw_dump);
1004 	else
1005 		qla27xx_execute_fwdt_template(vha);
1006 
1007 #ifndef __CHECKER__
1008 	if (!hardware_locked)
1009 		spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
1010 #endif
1011 }
1012