xref: /linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision 4359a011e259a4608afc7fb3635370c9d4ba5943)
1 /*
2  * PMC-Sierra SPCv/ve 8088/8089 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 PMC-Sierra, Inc.,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions, and the following disclaimer,
12  * without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  * substantially similar to the "NO WARRANTY" disclaimer below
15  * ("Disclaimer") and any redistribution must be conditioned upon
16  * including a substantially similar Disclaimer requirement for further
17  * binary redistribution.
18  * 3. Neither the names of the above-listed copyright holders nor the names
19  * of any contributors may be used to endorse or promote products derived
20  * from this software without specific prior written permission.
21  *
22  * Alternatively, this software may be distributed under the terms of the
23  * GNU General Public License ("GPL") version 2 as published by the Free
24  * Software Foundation.
25  *
26  * NO WARRANTY
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGES.
38  *
39  */
40  #include <linux/slab.h>
41  #include "pm8001_sas.h"
42  #include "pm80xx_hwi.h"
43  #include "pm8001_chips.h"
44  #include "pm8001_ctl.h"
45 #include "pm80xx_tracepoints.h"
46 
47 #define SMP_DIRECT 1
48 #define SMP_INDIRECT 2
49 
50 
51 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shift_value)
52 {
53 	u32 reg_val;
54 	unsigned long start;
55 	pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, shift_value);
56 	/* confirm the setting is written */
57 	start = jiffies + HZ; /* 1 sec */
58 	do {
59 		reg_val = pm8001_cr32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER);
60 	} while ((reg_val != shift_value) && time_before(jiffies, start));
61 	if (reg_val != shift_value) {
62 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MEMBASE_II_SHIFT_REGISTER = 0x%x\n",
63 			   reg_val);
64 		return -1;
65 	}
66 	return 0;
67 }
68 
69 static void pm80xx_pci_mem_copy(struct pm8001_hba_info  *pm8001_ha, u32 soffset,
70 				__le32 *destination,
71 				u32 dw_count, u32 bus_base_number)
72 {
73 	u32 index, value, offset;
74 
75 	for (index = 0; index < dw_count; index += 4, destination++) {
76 		offset = (soffset + index);
77 		if (offset < (64 * 1024)) {
78 			value = pm8001_cr32(pm8001_ha, bus_base_number, offset);
79 			*destination = cpu_to_le32(value);
80 		}
81 	}
82 	return;
83 }
84 
85 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
86 	struct device_attribute *attr, char *buf)
87 {
88 	struct Scsi_Host *shost = class_to_shost(cdev);
89 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
90 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
91 	void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
92 	u32 accum_len, reg_val, index, *temp;
93 	u32 status = 1;
94 	unsigned long start;
95 	u8 *direct_data;
96 	char *fatal_error_data = buf;
97 	u32 length_to_read;
98 	u32 offset;
99 
100 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
101 	if (pm8001_ha->chip_id == chip_8001) {
102 		pm8001_ha->forensic_info.data_buf.direct_data +=
103 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
104 			"Not supported for SPC controller");
105 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
106 			(char *)buf;
107 	}
108 	/* initialize variables for very first call from host application */
109 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
110 		pm8001_dbg(pm8001_ha, IO,
111 			   "forensic_info TYPE_NON_FATAL..............\n");
112 		direct_data = (u8 *)fatal_error_data;
113 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
114 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
115 		pm8001_ha->forensic_info.data_buf.direct_offset = 0;
116 		pm8001_ha->forensic_info.data_buf.read_len = 0;
117 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
118 
119 		/* Write signature to fatal dump table */
120 		pm8001_mw32(fatal_table_address,
121 				MPI_FATAL_EDUMP_TABLE_SIGNATURE, 0x1234abcd);
122 
123 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
124 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: status1 %d\n", status);
125 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: read_len 0x%x\n",
126 			   pm8001_ha->forensic_info.data_buf.read_len);
127 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_len 0x%x\n",
128 			   pm8001_ha->forensic_info.data_buf.direct_len);
129 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_offset 0x%x\n",
130 			   pm8001_ha->forensic_info.data_buf.direct_offset);
131 	}
132 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
133 		/* start to get data */
134 		/* Program the MEMBASE II Shifting Register with 0x00.*/
135 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
136 				pm8001_ha->fatal_forensic_shift_offset);
137 		pm8001_ha->forensic_last_offset = 0;
138 		pm8001_ha->forensic_fatal_step = 0;
139 		pm8001_ha->fatal_bar_loc = 0;
140 	}
141 
142 	/* Read until accum_len is retrieved */
143 	accum_len = pm8001_mr32(fatal_table_address,
144 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
145 	/* Determine length of data between previously stored transfer length
146 	 * and current accumulated transfer length
147 	 */
148 	length_to_read =
149 		accum_len - pm8001_ha->forensic_preserved_accumulated_transfer;
150 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: accum_len 0x%x\n",
151 		   accum_len);
152 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: length_to_read 0x%x\n",
153 		   length_to_read);
154 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: last_offset 0x%x\n",
155 		   pm8001_ha->forensic_last_offset);
156 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: read_len 0x%x\n",
157 		   pm8001_ha->forensic_info.data_buf.read_len);
158 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_len 0x%x\n",
159 		   pm8001_ha->forensic_info.data_buf.direct_len);
160 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_offset 0x%x\n",
161 		   pm8001_ha->forensic_info.data_buf.direct_offset);
162 
163 	/* If accumulated length failed to read correctly fail the attempt.*/
164 	if (accum_len == 0xFFFFFFFF) {
165 		pm8001_dbg(pm8001_ha, IO,
166 			   "Possible PCI issue 0x%x not expected\n",
167 			   accum_len);
168 		return status;
169 	}
170 	/* If accumulated length is zero fail the attempt */
171 	if (accum_len == 0) {
172 		pm8001_ha->forensic_info.data_buf.direct_data +=
173 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
174 			"%08x ", 0xFFFFFFFF);
175 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
176 			(char *)buf;
177 	}
178 	/* Accumulated length is good so start capturing the first data */
179 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
180 	if (pm8001_ha->forensic_fatal_step == 0) {
181 moreData:
182 		/* If data to read is less than SYSFS_OFFSET then reduce the
183 		 * length of dataLen
184 		 */
185 		if (pm8001_ha->forensic_last_offset + SYSFS_OFFSET
186 				> length_to_read) {
187 			pm8001_ha->forensic_info.data_buf.direct_len =
188 				length_to_read -
189 				pm8001_ha->forensic_last_offset;
190 		} else {
191 			pm8001_ha->forensic_info.data_buf.direct_len =
192 				SYSFS_OFFSET;
193 		}
194 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
195 			/* Data is in bar, copy to host memory */
196 			pm80xx_pci_mem_copy(pm8001_ha,
197 			pm8001_ha->fatal_bar_loc,
198 			pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
199 			pm8001_ha->forensic_info.data_buf.direct_len, 1);
200 		}
201 		pm8001_ha->fatal_bar_loc +=
202 			pm8001_ha->forensic_info.data_buf.direct_len;
203 		pm8001_ha->forensic_info.data_buf.direct_offset +=
204 			pm8001_ha->forensic_info.data_buf.direct_len;
205 		pm8001_ha->forensic_last_offset	+=
206 			pm8001_ha->forensic_info.data_buf.direct_len;
207 		pm8001_ha->forensic_info.data_buf.read_len =
208 			pm8001_ha->forensic_info.data_buf.direct_len;
209 
210 		if (pm8001_ha->forensic_last_offset  >= length_to_read) {
211 			pm8001_ha->forensic_info.data_buf.direct_data +=
212 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
213 				"%08x ", 3);
214 			for (index = 0; index <
215 				(pm8001_ha->forensic_info.data_buf.direct_len
216 				 / 4); index++) {
217 				pm8001_ha->forensic_info.data_buf.direct_data +=
218 				sprintf(
219 				pm8001_ha->forensic_info.data_buf.direct_data,
220 				"%08x ", *(temp + index));
221 			}
222 
223 			pm8001_ha->fatal_bar_loc = 0;
224 			pm8001_ha->forensic_fatal_step = 1;
225 			pm8001_ha->fatal_forensic_shift_offset = 0;
226 			pm8001_ha->forensic_last_offset	= 0;
227 			status = 0;
228 			offset = (int)
229 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
230 			- (char *)buf);
231 			pm8001_dbg(pm8001_ha, IO,
232 				   "get_fatal_spcv:return1 0x%x\n", offset);
233 			return (char *)pm8001_ha->
234 				forensic_info.data_buf.direct_data -
235 				(char *)buf;
236 		}
237 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
238 			pm8001_ha->forensic_info.data_buf.direct_data +=
239 				sprintf(pm8001_ha->
240 					forensic_info.data_buf.direct_data,
241 					"%08x ", 2);
242 			for (index = 0; index <
243 				(pm8001_ha->forensic_info.data_buf.direct_len
244 				 / 4); index++) {
245 				pm8001_ha->forensic_info.data_buf.direct_data
246 					+= sprintf(pm8001_ha->
247 					forensic_info.data_buf.direct_data,
248 					"%08x ", *(temp + index));
249 			}
250 			status = 0;
251 			offset = (int)
252 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
253 			- (char *)buf);
254 			pm8001_dbg(pm8001_ha, IO,
255 				   "get_fatal_spcv:return2 0x%x\n", offset);
256 			return (char *)pm8001_ha->
257 				forensic_info.data_buf.direct_data -
258 				(char *)buf;
259 		}
260 
261 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
262 		pm8001_ha->forensic_info.data_buf.direct_data +=
263 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
264 				"%08x ", 2);
265 		for (index = 0; index <
266 			(pm8001_ha->forensic_info.data_buf.direct_len
267 			 / 4) ; index++) {
268 			pm8001_ha->forensic_info.data_buf.direct_data +=
269 				sprintf(pm8001_ha->
270 				forensic_info.data_buf.direct_data,
271 				"%08x ", *(temp + index));
272 		}
273 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
274 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
275 			pm8001_ha->fatal_forensic_shift_offset);
276 		pm8001_ha->fatal_bar_loc = 0;
277 		status = 0;
278 		offset = (int)
279 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
280 			- (char *)buf);
281 		pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return3 0x%x\n",
282 			   offset);
283 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
284 			(char *)buf;
285 	}
286 	if (pm8001_ha->forensic_fatal_step == 1) {
287 		/* store previous accumulated length before triggering next
288 		 * accumulated length update
289 		 */
290 		pm8001_ha->forensic_preserved_accumulated_transfer =
291 			pm8001_mr32(fatal_table_address,
292 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
293 
294 		/* continue capturing the fatal log until Dump status is 0x3 */
295 		if (pm8001_mr32(fatal_table_address,
296 			MPI_FATAL_EDUMP_TABLE_STATUS) <
297 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
298 
299 			/* reset fddstat bit by writing to zero*/
300 			pm8001_mw32(fatal_table_address,
301 					MPI_FATAL_EDUMP_TABLE_STATUS, 0x0);
302 
303 			/* set dump control value to '1' so that new data will
304 			 * be transferred to shared memory
305 			 */
306 			pm8001_mw32(fatal_table_address,
307 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
308 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
309 
310 			/*Poll FDDHSHK  until clear */
311 			start = jiffies + (2 * HZ); /* 2 sec */
312 
313 			do {
314 				reg_val = pm8001_mr32(fatal_table_address,
315 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
316 			} while ((reg_val) && time_before(jiffies, start));
317 
318 			if (reg_val != 0) {
319 				pm8001_dbg(pm8001_ha, FAIL,
320 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_HDSHAKE 0x%x\n",
321 					   reg_val);
322 			       /* Fail the dump if a timeout occurs */
323 				pm8001_ha->forensic_info.data_buf.direct_data +=
324 				sprintf(
325 				pm8001_ha->forensic_info.data_buf.direct_data,
326 				"%08x ", 0xFFFFFFFF);
327 				return((char *)
328 				pm8001_ha->forensic_info.data_buf.direct_data
329 				- (char *)buf);
330 			}
331 			/* Poll status register until set to 2 or
332 			 * 3 for up to 2 seconds
333 			 */
334 			start = jiffies + (2 * HZ); /* 2 sec */
335 
336 			do {
337 				reg_val = pm8001_mr32(fatal_table_address,
338 					MPI_FATAL_EDUMP_TABLE_STATUS);
339 			} while (((reg_val != 2) && (reg_val != 3)) &&
340 					time_before(jiffies, start));
341 
342 			if (reg_val < 2) {
343 				pm8001_dbg(pm8001_ha, FAIL,
344 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_STATUS = 0x%x\n",
345 					   reg_val);
346 				/* Fail the dump if a timeout occurs */
347 				pm8001_ha->forensic_info.data_buf.direct_data +=
348 				sprintf(
349 				pm8001_ha->forensic_info.data_buf.direct_data,
350 				"%08x ", 0xFFFFFFFF);
351 				return((char *)pm8001_ha->forensic_info.data_buf.direct_data -
352 						(char *)buf);
353 			}
354 	/* reset fatal_forensic_shift_offset back to zero and reset MEMBASE 2 register to zero */
355 			pm8001_ha->fatal_forensic_shift_offset = 0; /* location in 64k region */
356 			pm8001_cw32(pm8001_ha, 0,
357 					MEMBASE_II_SHIFT_REGISTER,
358 					pm8001_ha->fatal_forensic_shift_offset);
359 		}
360 		/* Read the next block of the debug data.*/
361 		length_to_read = pm8001_mr32(fatal_table_address,
362 		MPI_FATAL_EDUMP_TABLE_ACCUM_LEN) -
363 		pm8001_ha->forensic_preserved_accumulated_transfer;
364 		if (length_to_read != 0x0) {
365 			pm8001_ha->forensic_fatal_step = 0;
366 			goto moreData;
367 		} else {
368 			pm8001_ha->forensic_info.data_buf.direct_data +=
369 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
370 				"%08x ", 4);
371 			pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
372 			pm8001_ha->forensic_info.data_buf.direct_len =  0;
373 			pm8001_ha->forensic_info.data_buf.direct_offset = 0;
374 			pm8001_ha->forensic_info.data_buf.read_len = 0;
375 		}
376 	}
377 	offset = (int)((char *)pm8001_ha->forensic_info.data_buf.direct_data
378 			- (char *)buf);
379 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return4 0x%x\n", offset);
380 	return ((char *)pm8001_ha->forensic_info.data_buf.direct_data -
381 		(char *)buf);
382 }
383 
384 /* pm80xx_get_non_fatal_dump - dump the nonfatal data from the dma
385  * location by the firmware.
386  */
387 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
388 	struct device_attribute *attr, char *buf)
389 {
390 	struct Scsi_Host *shost = class_to_shost(cdev);
391 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
392 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
393 	void __iomem *nonfatal_table_address = pm8001_ha->fatal_tbl_addr;
394 	u32 accum_len = 0;
395 	u32 total_len = 0;
396 	u32 reg_val = 0;
397 	u32 *temp = NULL;
398 	u32 index = 0;
399 	u32 output_length;
400 	unsigned long start = 0;
401 	char *buf_copy = buf;
402 
403 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
404 	if (++pm8001_ha->non_fatal_count == 1) {
405 		if (pm8001_ha->chip_id == chip_8001) {
406 			snprintf(pm8001_ha->forensic_info.data_buf.direct_data,
407 				PAGE_SIZE, "Not supported for SPC controller");
408 			return 0;
409 		}
410 		pm8001_dbg(pm8001_ha, IO, "forensic_info TYPE_NON_FATAL...\n");
411 		/*
412 		 * Step 1: Write the host buffer parameters in the MPI Fatal and
413 		 * Non-Fatal Error Dump Capture Table.This is the buffer
414 		 * where debug data will be DMAed to.
415 		 */
416 		pm8001_mw32(nonfatal_table_address,
417 		MPI_FATAL_EDUMP_TABLE_LO_OFFSET,
418 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_lo);
419 
420 		pm8001_mw32(nonfatal_table_address,
421 		MPI_FATAL_EDUMP_TABLE_HI_OFFSET,
422 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_hi);
423 
424 		pm8001_mw32(nonfatal_table_address,
425 		MPI_FATAL_EDUMP_TABLE_LENGTH, SYSFS_OFFSET);
426 
427 		/* Optionally, set the DUMPCTRL bit to 1 if the host
428 		 * keeps sending active I/Os while capturing the non-fatal
429 		 * debug data. Otherwise, leave this bit set to zero
430 		 */
431 		pm8001_mw32(nonfatal_table_address,
432 		MPI_FATAL_EDUMP_TABLE_HANDSHAKE, MPI_FATAL_EDUMP_HANDSHAKE_RDY);
433 
434 		/*
435 		 * Step 2: Clear Accumulative Length of Debug Data Transferred
436 		 * [ACCDDLEN] field in the MPI Fatal and Non-Fatal Error Dump
437 		 * Capture Table to zero.
438 		 */
439 		pm8001_mw32(nonfatal_table_address,
440 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN, 0);
441 
442 		/* initiallize previous accumulated length to 0 */
443 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
444 		pm8001_ha->non_fatal_read_length = 0;
445 	}
446 
447 	total_len = pm8001_mr32(nonfatal_table_address,
448 			MPI_FATAL_EDUMP_TABLE_TOTAL_LEN);
449 	/*
450 	 * Step 3:Clear Fatal/Non-Fatal Debug Data Transfer Status [FDDTSTAT]
451 	 * field and then request that the SPCv controller transfer the debug
452 	 * data by setting bit 7 of the Inbound Doorbell Set Register.
453 	 */
454 	pm8001_mw32(nonfatal_table_address, MPI_FATAL_EDUMP_TABLE_STATUS, 0);
455 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET,
456 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP);
457 
458 	/*
459 	 * Step 4.1: Read back the Inbound Doorbell Set Register (by polling for
460 	 * 2 seconds) until register bit 7 is cleared.
461 	 * This step only indicates the request is accepted by the controller.
462 	 */
463 	start = jiffies + (2 * HZ); /* 2 sec */
464 	do {
465 		reg_val = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET) &
466 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP;
467 	} while ((reg_val != 0) && time_before(jiffies, start));
468 
469 	/* Step 4.2: To check the completion of the transfer, poll the Fatal/Non
470 	 * Fatal Debug Data Transfer Status [FDDTSTAT] field for 2 seconds in
471 	 * the MPI Fatal and Non-Fatal Error Dump Capture Table.
472 	 */
473 	start = jiffies + (2 * HZ); /* 2 sec */
474 	do {
475 		reg_val = pm8001_mr32(nonfatal_table_address,
476 				MPI_FATAL_EDUMP_TABLE_STATUS);
477 	} while ((!reg_val) && time_before(jiffies, start));
478 
479 	if ((reg_val == 0x00) ||
480 		(reg_val == MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED) ||
481 		(reg_val > MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE)) {
482 		pm8001_ha->non_fatal_read_length = 0;
483 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 0xFFFFFFFF);
484 		pm8001_ha->non_fatal_count = 0;
485 		return (buf_copy - buf);
486 	} else if (reg_val ==
487 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA) {
488 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 2);
489 	} else if ((reg_val == MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) ||
490 		(pm8001_ha->non_fatal_read_length >= total_len)) {
491 		pm8001_ha->non_fatal_read_length = 0;
492 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 4);
493 		pm8001_ha->non_fatal_count = 0;
494 	}
495 	accum_len = pm8001_mr32(nonfatal_table_address,
496 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
497 	output_length = accum_len -
498 		pm8001_ha->forensic_preserved_accumulated_transfer;
499 
500 	for (index = 0; index < output_length/4; index++)
501 		buf_copy += snprintf(buf_copy, PAGE_SIZE,
502 				"%08x ", *(temp+index));
503 
504 	pm8001_ha->non_fatal_read_length += output_length;
505 
506 	/* store current accumulated length to use in next iteration as
507 	 * the previous accumulated length
508 	 */
509 	pm8001_ha->forensic_preserved_accumulated_transfer = accum_len;
510 	return (buf_copy - buf);
511 }
512 
513 /**
514  * read_main_config_table - read the configure table and save it.
515  * @pm8001_ha: our hba card information
516  */
517 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
518 {
519 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
520 
521 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
522 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
523 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
524 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
525 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
526 		pm8001_mr32(address, MAIN_FW_REVISION);
527 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
528 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
529 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
530 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
531 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
532 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
533 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
534 		pm8001_mr32(address, MAIN_GST_OFFSET);
535 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
536 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
537 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
538 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
539 
540 	/* read Error Dump Offset and Length */
541 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
542 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
543 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
544 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
545 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
546 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
547 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
548 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
549 
550 	/* read GPIO LED settings from the configuration table */
551 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
552 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
553 
554 	/* read analog Setting offset from the configuration table */
555 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
556 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
557 
558 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
559 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
560 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
561 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
562 	/* read port recover and reset timeout */
563 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
564 		pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
565 	/* read ILA and inactive firmware version */
566 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
567 		pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
568 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
569 		pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
570 
571 	pm8001_dbg(pm8001_ha, DEV,
572 		   "Main cfg table: sign:%x interface rev:%x fw_rev:%x\n",
573 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature,
574 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev,
575 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev);
576 
577 	pm8001_dbg(pm8001_ha, DEV,
578 		   "table offset: gst:%x iq:%x oq:%x int vec:%x phy attr:%x\n",
579 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset,
580 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset,
581 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset,
582 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset,
583 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset);
584 
585 	pm8001_dbg(pm8001_ha, DEV,
586 		   "Main cfg table; ila rev:%x Inactive fw rev:%x\n",
587 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version,
588 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version);
589 }
590 
591 /**
592  * read_general_status_table - read the general status table and save it.
593  * @pm8001_ha: our hba card information
594  */
595 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
596 {
597 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
598 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
599 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
600 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
601 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
602 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
603 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
604 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
605 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
606 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
607 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
608 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
609 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
610 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
611 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
612 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
613 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
614 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
615 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
616 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
617 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
618 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
619 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
620 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
621 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
622 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
623 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
624 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
625 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
626 }
627 /**
628  * read_phy_attr_table - read the phy attribute table and save it.
629  * @pm8001_ha: our hba card information
630  */
631 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
632 {
633 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
634 	pm8001_ha->phy_attr_table.phystart1_16[0] =
635 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
636 	pm8001_ha->phy_attr_table.phystart1_16[1] =
637 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
638 	pm8001_ha->phy_attr_table.phystart1_16[2] =
639 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
640 	pm8001_ha->phy_attr_table.phystart1_16[3] =
641 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
642 	pm8001_ha->phy_attr_table.phystart1_16[4] =
643 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
644 	pm8001_ha->phy_attr_table.phystart1_16[5] =
645 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
646 	pm8001_ha->phy_attr_table.phystart1_16[6] =
647 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
648 	pm8001_ha->phy_attr_table.phystart1_16[7] =
649 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
650 	pm8001_ha->phy_attr_table.phystart1_16[8] =
651 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
652 	pm8001_ha->phy_attr_table.phystart1_16[9] =
653 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
654 	pm8001_ha->phy_attr_table.phystart1_16[10] =
655 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
656 	pm8001_ha->phy_attr_table.phystart1_16[11] =
657 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
658 	pm8001_ha->phy_attr_table.phystart1_16[12] =
659 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
660 	pm8001_ha->phy_attr_table.phystart1_16[13] =
661 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
662 	pm8001_ha->phy_attr_table.phystart1_16[14] =
663 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
664 	pm8001_ha->phy_attr_table.phystart1_16[15] =
665 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
666 
667 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
668 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
669 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
670 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
671 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
672 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
673 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
674 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
675 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
676 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
677 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
678 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
679 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
680 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
681 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
682 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
683 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
684 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
685 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
686 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
687 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
688 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
689 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
690 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
691 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
692 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
693 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
694 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
695 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
696 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
697 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
698 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
699 
700 }
701 
702 /**
703  * read_inbnd_queue_table - read the inbound queue table and save it.
704  * @pm8001_ha: our hba card information
705  */
706 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
707 {
708 	int i;
709 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
710 	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
711 		u32 offset = i * 0x20;
712 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
713 			get_pci_bar_index(pm8001_mr32(address,
714 				(offset + IB_PIPCI_BAR)));
715 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
716 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
717 	}
718 }
719 
720 /**
721  * read_outbnd_queue_table - read the outbound queue table and save it.
722  * @pm8001_ha: our hba card information
723  */
724 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
725 {
726 	int i;
727 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
728 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
729 		u32 offset = i * 0x24;
730 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
731 			get_pci_bar_index(pm8001_mr32(address,
732 				(offset + OB_CIPCI_BAR)));
733 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
734 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
735 	}
736 }
737 
738 /**
739  * init_default_table_values - init the default table.
740  * @pm8001_ha: our hba card information
741  */
742 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
743 {
744 	int i;
745 	u32 offsetib, offsetob;
746 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
747 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
748 	u32 ib_offset = pm8001_ha->ib_offset;
749 	u32 ob_offset = pm8001_ha->ob_offset;
750 	u32 ci_offset = pm8001_ha->ci_offset;
751 	u32 pi_offset = pm8001_ha->pi_offset;
752 
753 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
754 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
755 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
756 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
757 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
758 							PM8001_EVENT_LOG_SIZE;
759 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
760 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
761 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
762 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
763 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
764 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
765 							PM8001_EVENT_LOG_SIZE;
766 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
767 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
768 
769 	/* Enable higher IQs and OQs, 32 to 63, bit 16 */
770 	if (pm8001_ha->max_q_num > 32)
771 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
772 							1 << 16;
773 	/* Disable end to end CRC checking */
774 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
775 
776 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
777 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
778 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
779 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
780 			pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
781 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
782 		pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
783 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
784 		  (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
785 		pm8001_ha->inbnd_q_tbl[i].total_length		=
786 			pm8001_ha->memoryMap.region[ib_offset + i].total_len;
787 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
788 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
789 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
790 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
791 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
792 			pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
793 		pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
794 		offsetib = i * 0x20;
795 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
796 			get_pci_bar_index(pm8001_mr32(addressib,
797 				(offsetib + 0x14)));
798 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
799 			pm8001_mr32(addressib, (offsetib + 0x18));
800 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
801 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
802 
803 		pm8001_dbg(pm8001_ha, DEV,
804 			   "IQ %d pi_bar 0x%x pi_offset 0x%x\n", i,
805 			   pm8001_ha->inbnd_q_tbl[i].pi_pci_bar,
806 			   pm8001_ha->inbnd_q_tbl[i].pi_offset);
807 	}
808 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
809 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
810 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
811 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
812 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
813 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
814 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
815 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
816 		  (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
817 		pm8001_ha->outbnd_q_tbl[i].total_length		=
818 			pm8001_ha->memoryMap.region[ob_offset + i].total_len;
819 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
820 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
821 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
822 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
823 		/* interrupt vector based on oq */
824 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
825 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
826 			pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
827 		pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
828 		offsetob = i * 0x24;
829 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
830 			get_pci_bar_index(pm8001_mr32(addressob,
831 			offsetob + 0x14));
832 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
833 			pm8001_mr32(addressob, (offsetob + 0x18));
834 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
835 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
836 
837 		pm8001_dbg(pm8001_ha, DEV,
838 			   "OQ %d ci_bar 0x%x ci_offset 0x%x\n", i,
839 			   pm8001_ha->outbnd_q_tbl[i].ci_pci_bar,
840 			   pm8001_ha->outbnd_q_tbl[i].ci_offset);
841 	}
842 }
843 
844 /**
845  * update_main_config_table - update the main default table to the HBA.
846  * @pm8001_ha: our hba card information
847  */
848 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
849 {
850 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
851 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
852 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
853 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
854 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
855 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
856 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
857 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
858 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
859 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
860 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
861 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
862 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
863 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
864 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
865 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
866 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
867 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
868 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
869 	/* Update Fatal error interrupt vector */
870 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
871 					((pm8001_ha->max_q_num - 1) << 8);
872 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
873 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
874 	pm8001_dbg(pm8001_ha, DEV,
875 		   "Updated Fatal error interrupt vector 0x%x\n",
876 		   pm8001_mr32(address, MAIN_FATAL_ERROR_INTERRUPT));
877 
878 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
879 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
880 
881 	/* SPCv specific */
882 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
883 	/* Set GPIOLED to 0x2 for LED indicator */
884 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
885 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
886 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
887 	pm8001_dbg(pm8001_ha, DEV,
888 		   "Programming DW 0x21 in main cfg table with 0x%x\n",
889 		   pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET));
890 
891 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
892 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
893 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
894 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
895 
896 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
897 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
898 							PORT_RECOVERY_TIMEOUT;
899 	if (pm8001_ha->chip_id == chip_8006) {
900 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
901 					0x0000ffff;
902 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
903 					CHIP_8006_PORT_RECOVERY_TIMEOUT;
904 	}
905 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
906 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
907 }
908 
909 /**
910  * update_inbnd_queue_table - update the inbound queue table to the HBA.
911  * @pm8001_ha: our hba card information
912  * @number: entry in the queue
913  */
914 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
915 					 int number)
916 {
917 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
918 	u16 offset = number * 0x20;
919 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
920 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
921 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
922 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
923 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
924 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
925 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
926 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
927 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
928 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
929 
930 	pm8001_dbg(pm8001_ha, DEV,
931 		   "IQ %d: Element pri size 0x%x\n",
932 		   number,
933 		   pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
934 
935 	pm8001_dbg(pm8001_ha, DEV,
936 		   "IQ upr base addr 0x%x IQ lwr base addr 0x%x\n",
937 		   pm8001_ha->inbnd_q_tbl[number].upper_base_addr,
938 		   pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
939 
940 	pm8001_dbg(pm8001_ha, DEV,
941 		   "CI upper base addr 0x%x CI lower base addr 0x%x\n",
942 		   pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr,
943 		   pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
944 }
945 
946 /**
947  * update_outbnd_queue_table - update the outbound queue table to the HBA.
948  * @pm8001_ha: our hba card information
949  * @number: entry in the queue
950  */
951 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
952 						 int number)
953 {
954 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
955 	u16 offset = number * 0x24;
956 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
957 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
958 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
959 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
960 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
961 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
962 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
963 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
964 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
965 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
966 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
967 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
968 
969 	pm8001_dbg(pm8001_ha, DEV,
970 		   "OQ %d: Element pri size 0x%x\n",
971 		   number,
972 		   pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
973 
974 	pm8001_dbg(pm8001_ha, DEV,
975 		   "OQ upr base addr 0x%x OQ lwr base addr 0x%x\n",
976 		   pm8001_ha->outbnd_q_tbl[number].upper_base_addr,
977 		   pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
978 
979 	pm8001_dbg(pm8001_ha, DEV,
980 		   "PI upper base addr 0x%x PI lower base addr 0x%x\n",
981 		   pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr,
982 		   pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
983 }
984 
985 /**
986  * mpi_init_check - check firmware initialization status.
987  * @pm8001_ha: our hba card information
988  */
989 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
990 {
991 	u32 max_wait_count;
992 	u32 value;
993 	u32 gst_len_mpistate;
994 
995 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
996 	table is updated */
997 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
998 	/* wait until Inbound DoorBell Clear Register toggled */
999 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1000 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
1001 	} else {
1002 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1003 	}
1004 	do {
1005 		msleep(FW_READY_INTERVAL);
1006 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1007 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
1008 	} while ((value != 0) && (--max_wait_count));
1009 
1010 	if (!max_wait_count) {
1011 		/* additional check */
1012 		pm8001_dbg(pm8001_ha, FAIL,
1013 			   "Inb doorbell clear not toggled[value:%x]\n",
1014 			   value);
1015 		return -EBUSY;
1016 	}
1017 	/* check the MPI-State for initialization up to 100ms*/
1018 	max_wait_count = 5;/* 100 msec */
1019 	do {
1020 		msleep(FW_READY_INTERVAL);
1021 		gst_len_mpistate =
1022 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1023 					GST_GSTLEN_MPIS_OFFSET);
1024 	} while ((GST_MPI_STATE_INIT !=
1025 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
1026 	if (!max_wait_count)
1027 		return -EBUSY;
1028 
1029 	/* check MPI Initialization error */
1030 	gst_len_mpistate = gst_len_mpistate >> 16;
1031 	if (0x0000 != gst_len_mpistate)
1032 		return -EBUSY;
1033 
1034 	/*
1035 	 *  As per controller datasheet, after successful MPI
1036 	 *  initialization minimum 500ms delay is required before
1037 	 *  issuing commands.
1038 	 */
1039 	msleep(500);
1040 
1041 	return 0;
1042 }
1043 
1044 /**
1045  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
1046  * This function sleeps hence it must not be used in atomic context.
1047  * @pm8001_ha: our hba card information
1048  */
1049 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
1050 {
1051 	u32 value;
1052 	u32 max_wait_count;
1053 	u32 max_wait_time;
1054 	u32 expected_mask;
1055 	int ret = 0;
1056 
1057 	/* reset / PCIe ready */
1058 	max_wait_time = max_wait_count = 5;	/* 100 milli sec */
1059 	do {
1060 		msleep(FW_READY_INTERVAL);
1061 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1062 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
1063 
1064 	/* check ila, RAAE and iops status */
1065 	if ((pm8001_ha->chip_id != chip_8008) &&
1066 			(pm8001_ha->chip_id != chip_8009)) {
1067 		max_wait_time = max_wait_count = 180;   /* 3600 milli sec */
1068 		expected_mask = SCRATCH_PAD_ILA_READY |
1069 			SCRATCH_PAD_RAAE_READY |
1070 			SCRATCH_PAD_IOP0_READY |
1071 			SCRATCH_PAD_IOP1_READY;
1072 	} else {
1073 		max_wait_time = max_wait_count = 170;   /* 3400 milli sec */
1074 		expected_mask = SCRATCH_PAD_ILA_READY |
1075 			SCRATCH_PAD_RAAE_READY |
1076 			SCRATCH_PAD_IOP0_READY;
1077 	}
1078 	do {
1079 		msleep(FW_READY_INTERVAL);
1080 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1081 	} while (((value & expected_mask) !=
1082 				 expected_mask) && (--max_wait_count));
1083 	if (!max_wait_count) {
1084 		pm8001_dbg(pm8001_ha, INIT,
1085 		"At least one FW component failed to load within %d millisec: Scratchpad1: 0x%x\n",
1086 			max_wait_time * FW_READY_INTERVAL, value);
1087 		ret = -1;
1088 	} else {
1089 		pm8001_dbg(pm8001_ha, MSG,
1090 			"All FW components ready by %d ms\n",
1091 			(max_wait_time - max_wait_count) * FW_READY_INTERVAL);
1092 	}
1093 	return ret;
1094 }
1095 
1096 static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
1097 {
1098 	void __iomem *base_addr;
1099 	u32	value;
1100 	u32	offset;
1101 	u32	pcibar;
1102 	u32	pcilogic;
1103 
1104 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1105 
1106 	/*
1107 	 * lower 26 bits of SCRATCHPAD0 register describes offset within the
1108 	 * PCIe BAR where the MPI configuration table is present
1109 	 */
1110 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
1111 
1112 	pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
1113 		   offset, value);
1114 	/*
1115 	 * Upper 6 bits describe the offset within PCI config space where BAR
1116 	 * is located.
1117 	 */
1118 	pcilogic = (value & 0xFC000000) >> 26;
1119 	pcibar = get_pci_bar_index(pcilogic);
1120 	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
1121 
1122 	/*
1123 	 * Make sure the offset falls inside the ioremapped PCI BAR
1124 	 */
1125 	if (offset > pm8001_ha->io_mem[pcibar].memsize) {
1126 		pm8001_dbg(pm8001_ha, FAIL,
1127 			"Main cfg tbl offset outside %u > %u\n",
1128 				offset, pm8001_ha->io_mem[pcibar].memsize);
1129 		return -EBUSY;
1130 	}
1131 	pm8001_ha->main_cfg_tbl_addr = base_addr =
1132 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
1133 
1134 	/*
1135 	 * Validate main configuration table address: first DWord should read
1136 	 * "PMCS"
1137 	 */
1138 	value = pm8001_mr32(pm8001_ha->main_cfg_tbl_addr, 0);
1139 	if (memcmp(&value, "PMCS", 4) != 0) {
1140 		pm8001_dbg(pm8001_ha, FAIL,
1141 			"BAD main config signature 0x%x\n",
1142 				value);
1143 		return -EBUSY;
1144 	}
1145 	pm8001_dbg(pm8001_ha, INIT,
1146 			"VALID main config signature 0x%x\n", value);
1147 	pm8001_ha->general_stat_tbl_addr =
1148 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
1149 					0xFFFFFF);
1150 	pm8001_ha->inbnd_q_tbl_addr =
1151 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
1152 					0xFFFFFF);
1153 	pm8001_ha->outbnd_q_tbl_addr =
1154 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
1155 					0xFFFFFF);
1156 	pm8001_ha->ivt_tbl_addr =
1157 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
1158 					0xFFFFFF);
1159 	pm8001_ha->pspa_q_tbl_addr =
1160 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
1161 					0xFFFFFF);
1162 	pm8001_ha->fatal_tbl_addr =
1163 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
1164 					0xFFFFFF);
1165 
1166 	pm8001_dbg(pm8001_ha, INIT, "GST OFFSET 0x%x\n",
1167 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x18));
1168 	pm8001_dbg(pm8001_ha, INIT, "INBND OFFSET 0x%x\n",
1169 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C));
1170 	pm8001_dbg(pm8001_ha, INIT, "OBND OFFSET 0x%x\n",
1171 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x20));
1172 	pm8001_dbg(pm8001_ha, INIT, "IVT OFFSET 0x%x\n",
1173 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C));
1174 	pm8001_dbg(pm8001_ha, INIT, "PSPA OFFSET 0x%x\n",
1175 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x90));
1176 	pm8001_dbg(pm8001_ha, INIT, "addr - main cfg %p general status %p\n",
1177 		   pm8001_ha->main_cfg_tbl_addr,
1178 		   pm8001_ha->general_stat_tbl_addr);
1179 	pm8001_dbg(pm8001_ha, INIT, "addr - inbnd %p obnd %p\n",
1180 		   pm8001_ha->inbnd_q_tbl_addr,
1181 		   pm8001_ha->outbnd_q_tbl_addr);
1182 	pm8001_dbg(pm8001_ha, INIT, "addr - pspa %p ivt %p\n",
1183 		   pm8001_ha->pspa_q_tbl_addr,
1184 		   pm8001_ha->ivt_tbl_addr);
1185 	return 0;
1186 }
1187 
1188 /**
1189  * pm80xx_set_thermal_config - support the thermal configuration
1190  * @pm8001_ha: our hba card information.
1191  */
1192 int
1193 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
1194 {
1195 	struct set_ctrl_cfg_req payload;
1196 	int rc;
1197 	u32 tag;
1198 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1199 	u32 page_code;
1200 
1201 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1202 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1203 	if (rc)
1204 		return rc;
1205 
1206 	payload.tag = cpu_to_le32(tag);
1207 
1208 	if (IS_SPCV_12G(pm8001_ha->pdev))
1209 		page_code = THERMAL_PAGE_CODE_7H;
1210 	else
1211 		page_code = THERMAL_PAGE_CODE_8H;
1212 
1213 	payload.cfg_pg[0] =
1214 		cpu_to_le32((THERMAL_LOG_ENABLE << 9) |
1215 			    (THERMAL_ENABLE << 8) | page_code);
1216 	payload.cfg_pg[1] =
1217 		cpu_to_le32((LTEMPHIL << 24) | (RTEMPHIL << 8));
1218 
1219 	pm8001_dbg(pm8001_ha, DEV,
1220 		   "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n",
1221 		   payload.cfg_pg[0], payload.cfg_pg[1]);
1222 
1223 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
1224 			sizeof(payload), 0);
1225 	if (rc)
1226 		pm8001_tag_free(pm8001_ha, tag);
1227 	return rc;
1228 
1229 }
1230 
1231 /**
1232 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
1233 * Timer configuration page
1234 * @pm8001_ha: our hba card information.
1235 */
1236 static int
1237 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
1238 {
1239 	struct set_ctrl_cfg_req payload;
1240 	SASProtocolTimerConfig_t SASConfigPage;
1241 	int rc;
1242 	u32 tag;
1243 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1244 
1245 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1246 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
1247 
1248 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1249 	if (rc)
1250 		return rc;
1251 
1252 	payload.tag = cpu_to_le32(tag);
1253 
1254 	SASConfigPage.pageCode = cpu_to_le32(SAS_PROTOCOL_TIMER_CONFIG_PAGE);
1255 	SASConfigPage.MST_MSI = cpu_to_le32(3 << 15);
1256 	SASConfigPage.STP_SSP_MCT_TMO =
1257 		cpu_to_le32((STP_MCT_TMO << 16) | SSP_MCT_TMO);
1258 	SASConfigPage.STP_FRM_TMO =
1259 		cpu_to_le32((SAS_MAX_OPEN_TIME << 24) |
1260 			    (SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER);
1261 	SASConfigPage.STP_IDLE_TMO = cpu_to_le32(STP_IDLE_TIME);
1262 
1263 	SASConfigPage.OPNRJT_RTRY_INTVL =
1264 		cpu_to_le32((SAS_MFD << 16) | SAS_OPNRJT_RTRY_INTVL);
1265 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =
1266 		cpu_to_le32((SAS_DOPNRJT_RTRY_TMO << 16) | SAS_COPNRJT_RTRY_TMO);
1267 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =
1268 		cpu_to_le32((SAS_DOPNRJT_RTRY_THR << 16) | SAS_COPNRJT_RTRY_THR);
1269 	SASConfigPage.MAX_AIP = cpu_to_le32(SAS_MAX_AIP);
1270 
1271 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.pageCode 0x%08x\n",
1272 		   le32_to_cpu(SASConfigPage.pageCode));
1273 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MST_MSI  0x%08x\n",
1274 		   le32_to_cpu(SASConfigPage.MST_MSI));
1275 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_SSP_MCT_TMO  0x%08x\n",
1276 		   le32_to_cpu(SASConfigPage.STP_SSP_MCT_TMO));
1277 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_FRM_TMO  0x%08x\n",
1278 		   le32_to_cpu(SASConfigPage.STP_FRM_TMO));
1279 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_IDLE_TMO  0x%08x\n",
1280 		   le32_to_cpu(SASConfigPage.STP_IDLE_TMO));
1281 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.OPNRJT_RTRY_INTVL  0x%08x\n",
1282 		   le32_to_cpu(SASConfigPage.OPNRJT_RTRY_INTVL));
1283 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO  0x%08x\n",
1284 		   le32_to_cpu(SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
1285 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR  0x%08x\n",
1286 		   le32_to_cpu(SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
1287 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MAX_AIP  0x%08x\n",
1288 		   le32_to_cpu(SASConfigPage.MAX_AIP));
1289 
1290 	memcpy(&payload.cfg_pg, &SASConfigPage,
1291 			 sizeof(SASProtocolTimerConfig_t));
1292 
1293 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
1294 			sizeof(payload), 0);
1295 	if (rc)
1296 		pm8001_tag_free(pm8001_ha, tag);
1297 
1298 	return rc;
1299 }
1300 
1301 /**
1302  * pm80xx_get_encrypt_info - Check for encryption
1303  * @pm8001_ha: our hba card information.
1304  */
1305 static int
1306 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
1307 {
1308 	u32 scratch3_value;
1309 	int ret = -1;
1310 
1311 	/* Read encryption status from SCRATCH PAD 3 */
1312 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1313 
1314 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1315 					SCRATCH_PAD3_ENC_READY) {
1316 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1317 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1318 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1319 						SCRATCH_PAD3_SMF_ENABLED)
1320 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1321 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1322 						SCRATCH_PAD3_SMA_ENABLED)
1323 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1324 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1325 						SCRATCH_PAD3_SMB_ENABLED)
1326 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1327 		pm8001_ha->encrypt_info.status = 0;
1328 		pm8001_dbg(pm8001_ha, INIT,
1329 			   "Encryption: SCRATCH_PAD3_ENC_READY 0x%08X.Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1330 			   scratch3_value,
1331 			   pm8001_ha->encrypt_info.cipher_mode,
1332 			   pm8001_ha->encrypt_info.sec_mode,
1333 			   pm8001_ha->encrypt_info.status);
1334 		ret = 0;
1335 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1336 					SCRATCH_PAD3_ENC_DISABLED) {
1337 		pm8001_dbg(pm8001_ha, INIT,
1338 			   "Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1339 			   scratch3_value);
1340 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1341 		pm8001_ha->encrypt_info.cipher_mode = 0;
1342 		pm8001_ha->encrypt_info.sec_mode = 0;
1343 		ret = 0;
1344 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1345 				SCRATCH_PAD3_ENC_DIS_ERR) {
1346 		pm8001_ha->encrypt_info.status =
1347 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1348 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1349 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1350 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1351 					SCRATCH_PAD3_SMF_ENABLED)
1352 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1353 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1354 					SCRATCH_PAD3_SMA_ENABLED)
1355 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1356 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1357 					SCRATCH_PAD3_SMB_ENABLED)
1358 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1359 		pm8001_dbg(pm8001_ha, INIT,
1360 			   "Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1361 			   scratch3_value,
1362 			   pm8001_ha->encrypt_info.cipher_mode,
1363 			   pm8001_ha->encrypt_info.sec_mode,
1364 			   pm8001_ha->encrypt_info.status);
1365 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1366 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1367 
1368 		pm8001_ha->encrypt_info.status =
1369 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1370 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1371 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1372 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1373 					SCRATCH_PAD3_SMF_ENABLED)
1374 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1375 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1376 					SCRATCH_PAD3_SMA_ENABLED)
1377 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1378 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1379 					SCRATCH_PAD3_SMB_ENABLED)
1380 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1381 
1382 		pm8001_dbg(pm8001_ha, INIT,
1383 			   "Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1384 			   scratch3_value,
1385 			   pm8001_ha->encrypt_info.cipher_mode,
1386 			   pm8001_ha->encrypt_info.sec_mode,
1387 			   pm8001_ha->encrypt_info.status);
1388 	}
1389 	return ret;
1390 }
1391 
1392 /**
1393  * pm80xx_encrypt_update - update flash with encryption information
1394  * @pm8001_ha: our hba card information.
1395  */
1396 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1397 {
1398 	struct kek_mgmt_req payload;
1399 	int rc;
1400 	u32 tag;
1401 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1402 
1403 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1404 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1405 	if (rc)
1406 		return rc;
1407 
1408 	payload.tag = cpu_to_le32(tag);
1409 	/* Currently only one key is used. New KEK index is 1.
1410 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1411 	 */
1412 	payload.new_curidx_ksop =
1413 		cpu_to_le32(((1 << 24) | (1 << 16) | (1 << 8) |
1414 			     KEK_MGMT_SUBOP_KEYCARDUPDATE));
1415 
1416 	pm8001_dbg(pm8001_ha, DEV,
1417 		   "Saving Encryption info to flash. payload 0x%x\n",
1418 		   le32_to_cpu(payload.new_curidx_ksop));
1419 
1420 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
1421 			sizeof(payload), 0);
1422 	if (rc)
1423 		pm8001_tag_free(pm8001_ha, tag);
1424 
1425 	return rc;
1426 }
1427 
1428 /**
1429  * pm80xx_chip_init - the main init function that initializes whole PM8001 chip.
1430  * @pm8001_ha: our hba card information
1431  */
1432 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1433 {
1434 	int ret;
1435 	u8 i = 0;
1436 
1437 	/* check the firmware status */
1438 	if (-1 == check_fw_ready(pm8001_ha)) {
1439 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1440 		return -EBUSY;
1441 	}
1442 
1443 	/* Initialize the controller fatal error flag */
1444 	pm8001_ha->controller_fatal_error = false;
1445 
1446 	/* Initialize pci space address eg: mpi offset */
1447 	ret = init_pci_device_addresses(pm8001_ha);
1448 	if (ret) {
1449 		pm8001_dbg(pm8001_ha, FAIL,
1450 			"Failed to init pci addresses");
1451 		return ret;
1452 	}
1453 	init_default_table_values(pm8001_ha);
1454 	read_main_config_table(pm8001_ha);
1455 	read_general_status_table(pm8001_ha);
1456 	read_inbnd_queue_table(pm8001_ha);
1457 	read_outbnd_queue_table(pm8001_ha);
1458 	read_phy_attr_table(pm8001_ha);
1459 
1460 	/* update main config table ,inbound table and outbound table */
1461 	update_main_config_table(pm8001_ha);
1462 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
1463 		update_inbnd_queue_table(pm8001_ha, i);
1464 		update_outbnd_queue_table(pm8001_ha, i);
1465 	}
1466 	/* notify firmware update finished and check initialization status */
1467 	if (0 == mpi_init_check(pm8001_ha)) {
1468 		pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
1469 	} else
1470 		return -EBUSY;
1471 
1472 	return 0;
1473 }
1474 
1475 static void pm80xx_chip_post_init(struct pm8001_hba_info *pm8001_ha)
1476 {
1477 	/* send SAS protocol timer configuration page to FW */
1478 	pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1479 
1480 	/* Check for encryption */
1481 	if (pm8001_ha->chip->encrypt) {
1482 		int ret;
1483 
1484 		pm8001_dbg(pm8001_ha, INIT, "Checking for encryption\n");
1485 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1486 		if (ret == -1) {
1487 			pm8001_dbg(pm8001_ha, INIT, "Encryption error !!\n");
1488 			if (pm8001_ha->encrypt_info.status == 0x81) {
1489 				pm8001_dbg(pm8001_ha, INIT,
1490 					   "Encryption enabled with error.Saving encryption key to flash\n");
1491 				pm80xx_encrypt_update(pm8001_ha);
1492 			}
1493 		}
1494 	}
1495 }
1496 
1497 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1498 {
1499 	u32 max_wait_count;
1500 	u32 value;
1501 	u32 gst_len_mpistate;
1502 	int ret;
1503 
1504 	ret = init_pci_device_addresses(pm8001_ha);
1505 	if (ret) {
1506 		pm8001_dbg(pm8001_ha, FAIL,
1507 			"Failed to init pci addresses");
1508 		return ret;
1509 	}
1510 
1511 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1512 	table is stop */
1513 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1514 
1515 	/* wait until Inbound DoorBell Clear Register toggled */
1516 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1517 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
1518 	} else {
1519 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1520 	}
1521 	do {
1522 		msleep(FW_READY_INTERVAL);
1523 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1524 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1525 	} while ((value != 0) && (--max_wait_count));
1526 
1527 	if (!max_wait_count) {
1528 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=%x\n", value);
1529 		return -1;
1530 	}
1531 
1532 	/* check the MPI-State for termination in progress */
1533 	/* wait until Inbound DoorBell Clear Register toggled */
1534 	max_wait_count = 100; /* 2 sec for spcv/ve */
1535 	do {
1536 		msleep(FW_READY_INTERVAL);
1537 		gst_len_mpistate =
1538 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1539 			GST_GSTLEN_MPIS_OFFSET);
1540 		if (GST_MPI_STATE_UNINIT ==
1541 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1542 			break;
1543 	} while (--max_wait_count);
1544 	if (!max_wait_count) {
1545 		pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
1546 			   gst_len_mpistate & GST_MPI_STATE_MASK);
1547 		return -1;
1548 	}
1549 
1550 	return 0;
1551 }
1552 
1553 /**
1554  * pm80xx_fatal_errors - returns non-zero *ONLY* when fatal errors
1555  * @pm8001_ha: our hba card information
1556  *
1557  * Fatal errors are recoverable only after a host reboot.
1558  */
1559 int
1560 pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha)
1561 {
1562 	int ret = 0;
1563 	u32 scratch_pad_rsvd0 = pm8001_cr32(pm8001_ha, 0,
1564 					    MSGU_SCRATCH_PAD_RSVD_0);
1565 	u32 scratch_pad_rsvd1 = pm8001_cr32(pm8001_ha, 0,
1566 					    MSGU_SCRATCH_PAD_RSVD_1);
1567 	u32 scratch_pad1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1568 	u32 scratch_pad2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1569 	u32 scratch_pad3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1570 
1571 	if (pm8001_ha->chip_id != chip_8006 &&
1572 			pm8001_ha->chip_id != chip_8074 &&
1573 			pm8001_ha->chip_id != chip_8076) {
1574 		return 0;
1575 	}
1576 
1577 	if (MSGU_SCRATCHPAD1_STATE_FATAL_ERROR(scratch_pad1)) {
1578 		pm8001_dbg(pm8001_ha, FAIL,
1579 			"Fatal error SCRATCHPAD1 = 0x%x SCRATCHPAD2 = 0x%x SCRATCHPAD3 = 0x%x SCRATCHPAD_RSVD0 = 0x%x SCRATCHPAD_RSVD1 = 0x%x\n",
1580 				scratch_pad1, scratch_pad2, scratch_pad3,
1581 				scratch_pad_rsvd0, scratch_pad_rsvd1);
1582 		ret = 1;
1583 	}
1584 
1585 	return ret;
1586 }
1587 
1588 /**
1589  * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that all
1590  * FW register status are reset to the originated status.
1591  * @pm8001_ha: our hba card information
1592  */
1593 
1594 static int
1595 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1596 {
1597 	u32 regval;
1598 	u32 bootloader_state;
1599 	u32 ibutton0, ibutton1;
1600 
1601 	/* Process MPI table uninitialization only if FW is ready */
1602 	if (!pm8001_ha->controller_fatal_error) {
1603 		/* Check if MPI is in ready state to reset */
1604 		if (mpi_uninit_check(pm8001_ha) != 0) {
1605 			u32 r0 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1606 			u32 r1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1607 			u32 r2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1608 			u32 r3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1609 			pm8001_dbg(pm8001_ha, FAIL,
1610 				   "MPI state is not ready scratch: %x:%x:%x:%x\n",
1611 				   r0, r1, r2, r3);
1612 			/* if things aren't ready but the bootloader is ok then
1613 			 * try the reset anyway.
1614 			 */
1615 			if (r1 & SCRATCH_PAD1_BOOTSTATE_MASK)
1616 				return -1;
1617 		}
1618 	}
1619 	/* checked for reset register normal state; 0x0 */
1620 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1621 	pm8001_dbg(pm8001_ha, INIT, "reset register before write : 0x%x\n",
1622 		   regval);
1623 
1624 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1625 	msleep(500);
1626 
1627 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1628 	pm8001_dbg(pm8001_ha, INIT, "reset register after write 0x%x\n",
1629 		   regval);
1630 
1631 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1632 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1633 		pm8001_dbg(pm8001_ha, MSG,
1634 			   " soft reset successful [regval: 0x%x]\n",
1635 			   regval);
1636 	} else {
1637 		pm8001_dbg(pm8001_ha, MSG,
1638 			   " soft reset failed [regval: 0x%x]\n",
1639 			   regval);
1640 
1641 		/* check bootloader is successfully executed or in HDA mode */
1642 		bootloader_state =
1643 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1644 			SCRATCH_PAD1_BOOTSTATE_MASK;
1645 
1646 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1647 			pm8001_dbg(pm8001_ha, MSG,
1648 				   "Bootloader state - HDA mode SEEPROM\n");
1649 		} else if (bootloader_state ==
1650 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1651 			pm8001_dbg(pm8001_ha, MSG,
1652 				   "Bootloader state - HDA mode Bootstrap Pin\n");
1653 		} else if (bootloader_state ==
1654 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1655 			pm8001_dbg(pm8001_ha, MSG,
1656 				   "Bootloader state - HDA mode soft reset\n");
1657 		} else if (bootloader_state ==
1658 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1659 			pm8001_dbg(pm8001_ha, MSG,
1660 				   "Bootloader state-HDA mode critical error\n");
1661 		}
1662 		return -EBUSY;
1663 	}
1664 
1665 	/* check the firmware status after reset */
1666 	if (-1 == check_fw_ready(pm8001_ha)) {
1667 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1668 		/* check iButton feature support for motherboard controller */
1669 		if (pm8001_ha->pdev->subsystem_vendor !=
1670 			PCI_VENDOR_ID_ADAPTEC2 &&
1671 			pm8001_ha->pdev->subsystem_vendor !=
1672 			PCI_VENDOR_ID_ATTO &&
1673 			pm8001_ha->pdev->subsystem_vendor != 0) {
1674 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1675 					       MSGU_SCRATCH_PAD_RSVD_0);
1676 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1677 					       MSGU_SCRATCH_PAD_RSVD_1);
1678 			if (!ibutton0 && !ibutton1) {
1679 				pm8001_dbg(pm8001_ha, FAIL,
1680 					   "iButton Feature is not Available!!!\n");
1681 				return -EBUSY;
1682 			}
1683 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1684 				pm8001_dbg(pm8001_ha, FAIL,
1685 					   "CRC Check for iButton Feature Failed!!!\n");
1686 				return -EBUSY;
1687 			}
1688 		}
1689 	}
1690 	pm8001_dbg(pm8001_ha, INIT, "SPCv soft reset Complete\n");
1691 	return 0;
1692 }
1693 
1694 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1695 {
1696 	u32 i;
1697 
1698 	pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1699 
1700 	/* do SPCv chip reset. */
1701 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1702 	pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1703 
1704 	/* Check this ..whether delay is required or no */
1705 	/* delay 10 usec */
1706 	udelay(10);
1707 
1708 	/* wait for 20 msec until the firmware gets reloaded */
1709 	i = 20;
1710 	do {
1711 		mdelay(1);
1712 	} while ((--i) != 0);
1713 
1714 	pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1715 }
1716 
1717 /**
1718  * pm80xx_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1719  * @pm8001_ha: our hba card information
1720  */
1721 static void
1722 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1723 {
1724 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1725 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1726 }
1727 
1728 /**
1729  * pm80xx_chip_intx_interrupt_disable - disable PM8001 chip interrupt
1730  * @pm8001_ha: our hba card information
1731  */
1732 static void
1733 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1734 {
1735 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1736 }
1737 
1738 /**
1739  * pm80xx_chip_interrupt_enable - enable PM8001 chip interrupt
1740  * @pm8001_ha: our hba card information
1741  * @vec: interrupt number to enable
1742  */
1743 static void
1744 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1745 {
1746 #ifdef PM8001_USE_MSIX
1747 	if (vec < 32)
1748 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, 1U << vec);
1749 	else
1750 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR_U,
1751 			    1U << (vec - 32));
1752 	return;
1753 #endif
1754 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1755 
1756 }
1757 
1758 /**
1759  * pm80xx_chip_interrupt_disable - disable PM8001 chip interrupt
1760  * @pm8001_ha: our hba card information
1761  * @vec: interrupt number to disable
1762  */
1763 static void
1764 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1765 {
1766 #ifdef PM8001_USE_MSIX
1767 	if (vec == 0xFF) {
1768 		/* disable all vectors 0-31, 32-63 */
1769 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, 0xFFFFFFFF);
1770 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_U, 0xFFFFFFFF);
1771 	} else if (vec < 32)
1772 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, 1U << vec);
1773 	else
1774 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_U,
1775 			    1U << (vec - 32));
1776 	return;
1777 #endif
1778 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1779 }
1780 
1781 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1782 		struct pm8001_device *pm8001_ha_dev)
1783 {
1784 	struct pm8001_ccb_info *ccb;
1785 	struct sas_task *task;
1786 	struct task_abort_req task_abort;
1787 	u32 opc = OPC_INB_SATA_ABORT;
1788 	int ret;
1789 
1790 	pm8001_ha_dev->id |= NCQ_ABORT_ALL_FLAG;
1791 	pm8001_ha_dev->id &= ~NCQ_READ_LOG_FLAG;
1792 
1793 	task = sas_alloc_slow_task(GFP_ATOMIC);
1794 	if (!task) {
1795 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1796 		return;
1797 	}
1798 	task->task_done = pm8001_task_done;
1799 
1800 	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task);
1801 	if (!ccb) {
1802 		sas_free_task(task);
1803 		return;
1804 	}
1805 
1806 	memset(&task_abort, 0, sizeof(task_abort));
1807 	task_abort.abort_all = cpu_to_le32(1);
1808 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1809 	task_abort.tag = cpu_to_le32(ccb->ccb_tag);
1810 
1811 	ret = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
1812 				   sizeof(task_abort), 0);
1813 	pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n");
1814 	if (ret) {
1815 		sas_free_task(task);
1816 		pm8001_ccb_free(pm8001_ha, ccb);
1817 	}
1818 }
1819 
1820 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1821 		struct pm8001_device *pm8001_ha_dev)
1822 {
1823 	struct sata_start_req sata_cmd;
1824 	int res;
1825 	struct pm8001_ccb_info *ccb;
1826 	struct sas_task *task = NULL;
1827 	struct host_to_dev_fis fis;
1828 	struct domain_device *dev;
1829 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1830 
1831 	task = sas_alloc_slow_task(GFP_ATOMIC);
1832 	if (!task) {
1833 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1834 		return;
1835 	}
1836 	task->task_done = pm8001_task_done;
1837 
1838 	/*
1839 	 * Allocate domain device by ourselves as libsas is not going to
1840 	 * provide any.
1841 	 */
1842 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1843 	if (!dev) {
1844 		sas_free_task(task);
1845 		pm8001_dbg(pm8001_ha, FAIL,
1846 			   "Domain device cannot be allocated\n");
1847 		return;
1848 	}
1849 
1850 	task->dev = dev;
1851 	task->dev->lldd_dev = pm8001_ha_dev;
1852 
1853 	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task);
1854 	if (!ccb) {
1855 		sas_free_task(task);
1856 		kfree(dev);
1857 		return;
1858 	}
1859 
1860 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1861 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1862 
1863 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1864 
1865 	/* construct read log FIS */
1866 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1867 	fis.fis_type = 0x27;
1868 	fis.flags = 0x80;
1869 	fis.command = ATA_CMD_READ_LOG_EXT;
1870 	fis.lbal = 0x10;
1871 	fis.sector_count = 0x1;
1872 
1873 	sata_cmd.tag = cpu_to_le32(ccb->ccb_tag);
1874 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1875 	sata_cmd.ncqtag_atap_dir_m_dad = cpu_to_le32(((0x1 << 7) | (0x5 << 9)));
1876 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1877 
1878 	res = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
1879 				   sizeof(sata_cmd), 0);
1880 	pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n");
1881 	if (res) {
1882 		sas_free_task(task);
1883 		pm8001_ccb_free(pm8001_ha, ccb);
1884 		kfree(dev);
1885 	}
1886 }
1887 
1888 /**
1889  * mpi_ssp_completion - process the event that FW response to the SSP request.
1890  * @pm8001_ha: our hba card information
1891  * @piomb: the message contents of this outbound message.
1892  *
1893  * When FW has completed a ssp request for example a IO request, after it has
1894  * filled the SG data with the data, it will trigger this event representing
1895  * that he has finished the job; please check the corresponding buffer.
1896  * So we will tell the caller who maybe waiting the result to tell upper layer
1897  * that the task has been finished.
1898  */
1899 static void
1900 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1901 {
1902 	struct sas_task *t;
1903 	struct pm8001_ccb_info *ccb;
1904 	unsigned long flags;
1905 	u32 status;
1906 	u32 param;
1907 	u32 tag;
1908 	struct ssp_completion_resp *psspPayload;
1909 	struct task_status_struct *ts;
1910 	struct ssp_response_iu *iu;
1911 	struct pm8001_device *pm8001_dev;
1912 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1913 	status = le32_to_cpu(psspPayload->status);
1914 	tag = le32_to_cpu(psspPayload->tag);
1915 	ccb = &pm8001_ha->ccb_info[tag];
1916 	if ((status == IO_ABORTED) && ccb->open_retry) {
1917 		/* Being completed by another */
1918 		ccb->open_retry = 0;
1919 		return;
1920 	}
1921 	pm8001_dev = ccb->device;
1922 	param = le32_to_cpu(psspPayload->param);
1923 	t = ccb->task;
1924 
1925 	if (status && status != IO_UNDERFLOW)
1926 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1927 	if (unlikely(!t || !t->lldd_task || !t->dev))
1928 		return;
1929 	ts = &t->task_status;
1930 
1931 	pm8001_dbg(pm8001_ha, DEV,
1932 		   "tag::0x%x, status::0x%x task::0x%p\n", tag, status, t);
1933 
1934 	/* Print sas address of IO failed device */
1935 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1936 		(status != IO_UNDERFLOW))
1937 		pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1938 			   SAS_ADDR(t->dev->sas_addr));
1939 
1940 	switch (status) {
1941 	case IO_SUCCESS:
1942 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS ,param = 0x%x\n",
1943 			   param);
1944 		if (param == 0) {
1945 			ts->resp = SAS_TASK_COMPLETE;
1946 			ts->stat = SAS_SAM_STAT_GOOD;
1947 		} else {
1948 			ts->resp = SAS_TASK_COMPLETE;
1949 			ts->stat = SAS_PROTO_RESPONSE;
1950 			ts->residual = param;
1951 			iu = &psspPayload->ssp_resp_iu;
1952 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1953 		}
1954 		if (pm8001_dev)
1955 			atomic_dec(&pm8001_dev->running_req);
1956 		break;
1957 	case IO_ABORTED:
1958 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1959 		ts->resp = SAS_TASK_COMPLETE;
1960 		ts->stat = SAS_ABORTED_TASK;
1961 		if (pm8001_dev)
1962 			atomic_dec(&pm8001_dev->running_req);
1963 		break;
1964 	case IO_UNDERFLOW:
1965 		/* SSP Completion with error */
1966 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW ,param = 0x%x\n",
1967 			   param);
1968 		ts->resp = SAS_TASK_COMPLETE;
1969 		ts->stat = SAS_DATA_UNDERRUN;
1970 		ts->residual = param;
1971 		if (pm8001_dev)
1972 			atomic_dec(&pm8001_dev->running_req);
1973 		break;
1974 	case IO_NO_DEVICE:
1975 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1976 		ts->resp = SAS_TASK_UNDELIVERED;
1977 		ts->stat = SAS_PHY_DOWN;
1978 		if (pm8001_dev)
1979 			atomic_dec(&pm8001_dev->running_req);
1980 		break;
1981 	case IO_XFER_ERROR_BREAK:
1982 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1983 		ts->resp = SAS_TASK_COMPLETE;
1984 		ts->stat = SAS_OPEN_REJECT;
1985 		/* Force the midlayer to retry */
1986 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1987 		if (pm8001_dev)
1988 			atomic_dec(&pm8001_dev->running_req);
1989 		break;
1990 	case IO_XFER_ERROR_PHY_NOT_READY:
1991 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1992 		ts->resp = SAS_TASK_COMPLETE;
1993 		ts->stat = SAS_OPEN_REJECT;
1994 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1995 		if (pm8001_dev)
1996 			atomic_dec(&pm8001_dev->running_req);
1997 		break;
1998 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
1999 		pm8001_dbg(pm8001_ha, IO,
2000 			   "IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n");
2001 		ts->resp = SAS_TASK_COMPLETE;
2002 		ts->stat = SAS_OPEN_REJECT;
2003 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2004 		if (pm8001_dev)
2005 			atomic_dec(&pm8001_dev->running_req);
2006 		break;
2007 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2008 		pm8001_dbg(pm8001_ha, IO,
2009 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2010 		ts->resp = SAS_TASK_COMPLETE;
2011 		ts->stat = SAS_OPEN_REJECT;
2012 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2013 		if (pm8001_dev)
2014 			atomic_dec(&pm8001_dev->running_req);
2015 		break;
2016 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2017 		pm8001_dbg(pm8001_ha, IO,
2018 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2019 		ts->resp = SAS_TASK_COMPLETE;
2020 		ts->stat = SAS_OPEN_REJECT;
2021 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2022 		if (pm8001_dev)
2023 			atomic_dec(&pm8001_dev->running_req);
2024 		break;
2025 	case IO_OPEN_CNX_ERROR_BREAK:
2026 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2027 		ts->resp = SAS_TASK_COMPLETE;
2028 		ts->stat = SAS_OPEN_REJECT;
2029 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2030 		if (pm8001_dev)
2031 			atomic_dec(&pm8001_dev->running_req);
2032 		break;
2033 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2034 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2035 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2036 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2037 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2038 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2039 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2040 		ts->resp = SAS_TASK_COMPLETE;
2041 		ts->stat = SAS_OPEN_REJECT;
2042 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2043 		if (!t->uldd_task)
2044 			pm8001_handle_event(pm8001_ha,
2045 				pm8001_dev,
2046 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2047 		break;
2048 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2049 		pm8001_dbg(pm8001_ha, IO,
2050 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2051 		ts->resp = SAS_TASK_COMPLETE;
2052 		ts->stat = SAS_OPEN_REJECT;
2053 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2054 		if (pm8001_dev)
2055 			atomic_dec(&pm8001_dev->running_req);
2056 		break;
2057 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2058 		pm8001_dbg(pm8001_ha, IO,
2059 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2060 		ts->resp = SAS_TASK_COMPLETE;
2061 		ts->stat = SAS_OPEN_REJECT;
2062 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2063 		if (pm8001_dev)
2064 			atomic_dec(&pm8001_dev->running_req);
2065 		break;
2066 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2067 		pm8001_dbg(pm8001_ha, IO,
2068 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2069 		ts->resp = SAS_TASK_UNDELIVERED;
2070 		ts->stat = SAS_OPEN_REJECT;
2071 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2072 		if (pm8001_dev)
2073 			atomic_dec(&pm8001_dev->running_req);
2074 		break;
2075 	case IO_XFER_ERROR_NAK_RECEIVED:
2076 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2077 		ts->resp = SAS_TASK_COMPLETE;
2078 		ts->stat = SAS_OPEN_REJECT;
2079 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2080 		if (pm8001_dev)
2081 			atomic_dec(&pm8001_dev->running_req);
2082 		break;
2083 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2084 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2085 		ts->resp = SAS_TASK_COMPLETE;
2086 		ts->stat = SAS_NAK_R_ERR;
2087 		if (pm8001_dev)
2088 			atomic_dec(&pm8001_dev->running_req);
2089 		break;
2090 	case IO_XFER_ERROR_DMA:
2091 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2092 		ts->resp = SAS_TASK_COMPLETE;
2093 		ts->stat = SAS_OPEN_REJECT;
2094 		if (pm8001_dev)
2095 			atomic_dec(&pm8001_dev->running_req);
2096 		break;
2097 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2098 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2099 		ts->resp = SAS_TASK_COMPLETE;
2100 		ts->stat = SAS_OPEN_REJECT;
2101 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2102 		if (pm8001_dev)
2103 			atomic_dec(&pm8001_dev->running_req);
2104 		break;
2105 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2106 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2107 		ts->resp = SAS_TASK_COMPLETE;
2108 		ts->stat = SAS_OPEN_REJECT;
2109 		if (pm8001_dev)
2110 			atomic_dec(&pm8001_dev->running_req);
2111 		break;
2112 	case IO_PORT_IN_RESET:
2113 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2114 		ts->resp = SAS_TASK_COMPLETE;
2115 		ts->stat = SAS_OPEN_REJECT;
2116 		if (pm8001_dev)
2117 			atomic_dec(&pm8001_dev->running_req);
2118 		break;
2119 	case IO_DS_NON_OPERATIONAL:
2120 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2121 		ts->resp = SAS_TASK_COMPLETE;
2122 		ts->stat = SAS_OPEN_REJECT;
2123 		if (!t->uldd_task)
2124 			pm8001_handle_event(pm8001_ha,
2125 				pm8001_dev,
2126 				IO_DS_NON_OPERATIONAL);
2127 		break;
2128 	case IO_DS_IN_RECOVERY:
2129 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2130 		ts->resp = SAS_TASK_COMPLETE;
2131 		ts->stat = SAS_OPEN_REJECT;
2132 		if (pm8001_dev)
2133 			atomic_dec(&pm8001_dev->running_req);
2134 		break;
2135 	case IO_TM_TAG_NOT_FOUND:
2136 		pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2137 		ts->resp = SAS_TASK_COMPLETE;
2138 		ts->stat = SAS_OPEN_REJECT;
2139 		if (pm8001_dev)
2140 			atomic_dec(&pm8001_dev->running_req);
2141 		break;
2142 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2143 		pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2144 		ts->resp = SAS_TASK_COMPLETE;
2145 		ts->stat = SAS_OPEN_REJECT;
2146 		if (pm8001_dev)
2147 			atomic_dec(&pm8001_dev->running_req);
2148 		break;
2149 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2150 		pm8001_dbg(pm8001_ha, IO,
2151 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2152 		ts->resp = SAS_TASK_COMPLETE;
2153 		ts->stat = SAS_OPEN_REJECT;
2154 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2155 		if (pm8001_dev)
2156 			atomic_dec(&pm8001_dev->running_req);
2157 		break;
2158 	default:
2159 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2160 		/* not allowed case. Therefore, return failed status */
2161 		ts->resp = SAS_TASK_COMPLETE;
2162 		ts->stat = SAS_OPEN_REJECT;
2163 		if (pm8001_dev)
2164 			atomic_dec(&pm8001_dev->running_req);
2165 		break;
2166 	}
2167 	pm8001_dbg(pm8001_ha, IO, "scsi_status = 0x%x\n ",
2168 		   psspPayload->ssp_resp_iu.status);
2169 	spin_lock_irqsave(&t->task_state_lock, flags);
2170 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2171 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2172 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2173 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2174 		pm8001_dbg(pm8001_ha, FAIL,
2175 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2176 			   t, status, ts->resp, ts->stat);
2177 		pm8001_ccb_task_free(pm8001_ha, ccb);
2178 		if (t->slow_task)
2179 			complete(&t->slow_task->completion);
2180 	} else {
2181 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2182 		pm8001_ccb_task_free_done(pm8001_ha, ccb);
2183 	}
2184 }
2185 
2186 /*See the comments for mpi_ssp_completion */
2187 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2188 {
2189 	struct sas_task *t;
2190 	unsigned long flags;
2191 	struct task_status_struct *ts;
2192 	struct pm8001_ccb_info *ccb;
2193 	struct pm8001_device *pm8001_dev;
2194 	struct ssp_event_resp *psspPayload =
2195 		(struct ssp_event_resp *)(piomb + 4);
2196 	u32 event = le32_to_cpu(psspPayload->event);
2197 	u32 tag = le32_to_cpu(psspPayload->tag);
2198 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2199 
2200 	ccb = &pm8001_ha->ccb_info[tag];
2201 	t = ccb->task;
2202 	pm8001_dev = ccb->device;
2203 	if (event)
2204 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2205 	if (unlikely(!t || !t->lldd_task || !t->dev))
2206 		return;
2207 	ts = &t->task_status;
2208 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2209 		   port_id, tag, event);
2210 	switch (event) {
2211 	case IO_OVERFLOW:
2212 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2213 		ts->resp = SAS_TASK_COMPLETE;
2214 		ts->stat = SAS_DATA_OVERRUN;
2215 		ts->residual = 0;
2216 		if (pm8001_dev)
2217 			atomic_dec(&pm8001_dev->running_req);
2218 		break;
2219 	case IO_XFER_ERROR_BREAK:
2220 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2221 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2222 		return;
2223 	case IO_XFER_ERROR_PHY_NOT_READY:
2224 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2225 		ts->resp = SAS_TASK_COMPLETE;
2226 		ts->stat = SAS_OPEN_REJECT;
2227 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2228 		break;
2229 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2230 		pm8001_dbg(pm8001_ha, IO,
2231 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2232 		ts->resp = SAS_TASK_COMPLETE;
2233 		ts->stat = SAS_OPEN_REJECT;
2234 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2235 		break;
2236 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2237 		pm8001_dbg(pm8001_ha, IO,
2238 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2239 		ts->resp = SAS_TASK_COMPLETE;
2240 		ts->stat = SAS_OPEN_REJECT;
2241 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2242 		break;
2243 	case IO_OPEN_CNX_ERROR_BREAK:
2244 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2245 		ts->resp = SAS_TASK_COMPLETE;
2246 		ts->stat = SAS_OPEN_REJECT;
2247 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2248 		break;
2249 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2250 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2251 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2252 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2253 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2254 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2255 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2256 		ts->resp = SAS_TASK_COMPLETE;
2257 		ts->stat = SAS_OPEN_REJECT;
2258 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2259 		if (!t->uldd_task)
2260 			pm8001_handle_event(pm8001_ha,
2261 				pm8001_dev,
2262 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2263 		break;
2264 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2265 		pm8001_dbg(pm8001_ha, IO,
2266 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2267 		ts->resp = SAS_TASK_COMPLETE;
2268 		ts->stat = SAS_OPEN_REJECT;
2269 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2270 		break;
2271 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2272 		pm8001_dbg(pm8001_ha, IO,
2273 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2274 		ts->resp = SAS_TASK_COMPLETE;
2275 		ts->stat = SAS_OPEN_REJECT;
2276 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2277 		break;
2278 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2279 		pm8001_dbg(pm8001_ha, IO,
2280 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2281 		ts->resp = SAS_TASK_COMPLETE;
2282 		ts->stat = SAS_OPEN_REJECT;
2283 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2284 		break;
2285 	case IO_XFER_ERROR_NAK_RECEIVED:
2286 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2287 		ts->resp = SAS_TASK_COMPLETE;
2288 		ts->stat = SAS_OPEN_REJECT;
2289 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2290 		break;
2291 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2292 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2293 		ts->resp = SAS_TASK_COMPLETE;
2294 		ts->stat = SAS_NAK_R_ERR;
2295 		break;
2296 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2297 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2298 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2299 		return;
2300 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2301 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2302 		ts->resp = SAS_TASK_COMPLETE;
2303 		ts->stat = SAS_DATA_OVERRUN;
2304 		break;
2305 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2306 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2307 		ts->resp = SAS_TASK_COMPLETE;
2308 		ts->stat = SAS_DATA_OVERRUN;
2309 		break;
2310 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2311 		pm8001_dbg(pm8001_ha, IO,
2312 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2313 		ts->resp = SAS_TASK_COMPLETE;
2314 		ts->stat = SAS_DATA_OVERRUN;
2315 		break;
2316 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2317 		pm8001_dbg(pm8001_ha, IO,
2318 			   "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2319 		ts->resp = SAS_TASK_COMPLETE;
2320 		ts->stat = SAS_DATA_OVERRUN;
2321 		break;
2322 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2323 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2324 		ts->resp = SAS_TASK_COMPLETE;
2325 		ts->stat = SAS_DATA_OVERRUN;
2326 		break;
2327 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2328 		pm8001_dbg(pm8001_ha, IO,
2329 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2330 		ts->resp = SAS_TASK_COMPLETE;
2331 		ts->stat = SAS_DATA_OVERRUN;
2332 		break;
2333 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2334 		pm8001_dbg(pm8001_ha, IOERR,
2335 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2336 		/* TBC: used default set values */
2337 		ts->resp = SAS_TASK_COMPLETE;
2338 		ts->stat = SAS_DATA_OVERRUN;
2339 		break;
2340 	case IO_XFER_CMD_FRAME_ISSUED:
2341 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2342 		return;
2343 	default:
2344 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2345 		/* not allowed case. Therefore, return failed status */
2346 		ts->resp = SAS_TASK_COMPLETE;
2347 		ts->stat = SAS_DATA_OVERRUN;
2348 		break;
2349 	}
2350 	spin_lock_irqsave(&t->task_state_lock, flags);
2351 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2352 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2353 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2354 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2355 		pm8001_dbg(pm8001_ha, FAIL,
2356 			   "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2357 			   t, event, ts->resp, ts->stat);
2358 		pm8001_ccb_task_free(pm8001_ha, ccb);
2359 	} else {
2360 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2361 		pm8001_ccb_task_free_done(pm8001_ha, ccb);
2362 	}
2363 }
2364 
2365 /*See the comments for mpi_ssp_completion */
2366 static void
2367 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha,
2368 		struct outbound_queue_table *circularQ, void *piomb)
2369 {
2370 	struct sas_task *t;
2371 	struct pm8001_ccb_info *ccb;
2372 	u32 param;
2373 	u32 status;
2374 	u32 tag;
2375 	int i, j;
2376 	u8 sata_addr_low[4];
2377 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2378 	u8 sata_addr_hi[4];
2379 	struct sata_completion_resp *psataPayload;
2380 	struct task_status_struct *ts;
2381 	struct ata_task_resp *resp ;
2382 	u32 *sata_resp;
2383 	struct pm8001_device *pm8001_dev;
2384 	unsigned long flags;
2385 
2386 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2387 	status = le32_to_cpu(psataPayload->status);
2388 	param = le32_to_cpu(psataPayload->param);
2389 	tag = le32_to_cpu(psataPayload->tag);
2390 
2391 	ccb = &pm8001_ha->ccb_info[tag];
2392 	t = ccb->task;
2393 	pm8001_dev = ccb->device;
2394 
2395 	if (t) {
2396 		if (t->dev && (t->dev->lldd_dev))
2397 			pm8001_dev = t->dev->lldd_dev;
2398 	} else {
2399 		pm8001_dbg(pm8001_ha, FAIL, "task null\n");
2400 		return;
2401 	}
2402 
2403 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2404 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2405 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2406 		return;
2407 	}
2408 
2409 	ts = &t->task_status;
2410 
2411 	if (status != IO_SUCCESS) {
2412 		pm8001_dbg(pm8001_ha, FAIL,
2413 			"IO failed device_id %u status 0x%x tag %d\n",
2414 			pm8001_dev->device_id, status, tag);
2415 	}
2416 
2417 	/* Print sas address of IO failed device */
2418 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2419 		(status != IO_UNDERFLOW)) {
2420 		if (!((t->dev->parent) &&
2421 			(dev_is_expander(t->dev->parent->dev_type)))) {
2422 			for (i = 0, j = 4; i <= 3 && j <= 7; i++, j++)
2423 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2424 			for (i = 0, j = 0; i <= 3 && j <= 3; i++, j++)
2425 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2426 			memcpy(&temp_sata_addr_low, sata_addr_low,
2427 				sizeof(sata_addr_low));
2428 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2429 				sizeof(sata_addr_hi));
2430 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2431 						|((temp_sata_addr_hi << 8) &
2432 						0xff0000) |
2433 						((temp_sata_addr_hi >> 8)
2434 						& 0xff00) |
2435 						((temp_sata_addr_hi << 24) &
2436 						0xff000000));
2437 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2438 						& 0xff) |
2439 						((temp_sata_addr_low << 8)
2440 						& 0xff0000) |
2441 						((temp_sata_addr_low >> 8)
2442 						& 0xff00) |
2443 						((temp_sata_addr_low << 24)
2444 						& 0xff000000)) +
2445 						pm8001_dev->attached_phy +
2446 						0x10);
2447 			pm8001_dbg(pm8001_ha, FAIL,
2448 				   "SAS Address of IO Failure Drive:%08x%08x\n",
2449 				   temp_sata_addr_hi,
2450 				   temp_sata_addr_low);
2451 
2452 		} else {
2453 			pm8001_dbg(pm8001_ha, FAIL,
2454 				   "SAS Address of IO Failure Drive:%016llx\n",
2455 				   SAS_ADDR(t->dev->sas_addr));
2456 		}
2457 	}
2458 	switch (status) {
2459 	case IO_SUCCESS:
2460 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2461 		if (param == 0) {
2462 			ts->resp = SAS_TASK_COMPLETE;
2463 			ts->stat = SAS_SAM_STAT_GOOD;
2464 			/* check if response is for SEND READ LOG */
2465 			if (pm8001_dev &&
2466 			    (pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2467 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2468 				/* Free the tag */
2469 				pm8001_tag_free(pm8001_ha, tag);
2470 				sas_free_task(t);
2471 				return;
2472 			}
2473 		} else {
2474 			u8 len;
2475 			ts->resp = SAS_TASK_COMPLETE;
2476 			ts->stat = SAS_PROTO_RESPONSE;
2477 			ts->residual = param;
2478 			pm8001_dbg(pm8001_ha, IO,
2479 				   "SAS_PROTO_RESPONSE len = %d\n",
2480 				   param);
2481 			sata_resp = &psataPayload->sata_resp[0];
2482 			resp = (struct ata_task_resp *)ts->buf;
2483 			if (t->ata_task.dma_xfer == 0 &&
2484 			    t->data_dir == DMA_FROM_DEVICE) {
2485 				len = sizeof(struct pio_setup_fis);
2486 				pm8001_dbg(pm8001_ha, IO,
2487 					   "PIO read len = %d\n", len);
2488 			} else if (t->ata_task.use_ncq &&
2489 				   t->data_dir != DMA_NONE) {
2490 				len = sizeof(struct set_dev_bits_fis);
2491 				pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2492 					   len);
2493 			} else {
2494 				len = sizeof(struct dev_to_host_fis);
2495 				pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2496 					   len);
2497 			}
2498 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2499 				resp->frame_len = len;
2500 				memcpy(&resp->ending_fis[0], sata_resp, len);
2501 				ts->buf_valid_size = sizeof(*resp);
2502 			} else
2503 				pm8001_dbg(pm8001_ha, IO,
2504 					   "response too large\n");
2505 		}
2506 		if (pm8001_dev)
2507 			atomic_dec(&pm8001_dev->running_req);
2508 		break;
2509 	case IO_ABORTED:
2510 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2511 		ts->resp = SAS_TASK_COMPLETE;
2512 		ts->stat = SAS_ABORTED_TASK;
2513 		if (pm8001_dev)
2514 			atomic_dec(&pm8001_dev->running_req);
2515 		break;
2516 		/* following cases are to do cases */
2517 	case IO_UNDERFLOW:
2518 		/* SATA Completion with error */
2519 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2520 		ts->resp = SAS_TASK_COMPLETE;
2521 		ts->stat = SAS_DATA_UNDERRUN;
2522 		ts->residual = param;
2523 		if (pm8001_dev)
2524 			atomic_dec(&pm8001_dev->running_req);
2525 		break;
2526 	case IO_NO_DEVICE:
2527 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2528 		ts->resp = SAS_TASK_UNDELIVERED;
2529 		ts->stat = SAS_PHY_DOWN;
2530 		if (pm8001_dev)
2531 			atomic_dec(&pm8001_dev->running_req);
2532 		break;
2533 	case IO_XFER_ERROR_BREAK:
2534 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2535 		ts->resp = SAS_TASK_COMPLETE;
2536 		ts->stat = SAS_INTERRUPTED;
2537 		if (pm8001_dev)
2538 			atomic_dec(&pm8001_dev->running_req);
2539 		break;
2540 	case IO_XFER_ERROR_PHY_NOT_READY:
2541 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2542 		ts->resp = SAS_TASK_COMPLETE;
2543 		ts->stat = SAS_OPEN_REJECT;
2544 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2545 		if (pm8001_dev)
2546 			atomic_dec(&pm8001_dev->running_req);
2547 		break;
2548 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2549 		pm8001_dbg(pm8001_ha, IO,
2550 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2551 		ts->resp = SAS_TASK_COMPLETE;
2552 		ts->stat = SAS_OPEN_REJECT;
2553 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2554 		if (pm8001_dev)
2555 			atomic_dec(&pm8001_dev->running_req);
2556 		break;
2557 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2558 		pm8001_dbg(pm8001_ha, IO,
2559 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2560 		ts->resp = SAS_TASK_COMPLETE;
2561 		ts->stat = SAS_OPEN_REJECT;
2562 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2563 		if (pm8001_dev)
2564 			atomic_dec(&pm8001_dev->running_req);
2565 		break;
2566 	case IO_OPEN_CNX_ERROR_BREAK:
2567 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2568 		ts->resp = SAS_TASK_COMPLETE;
2569 		ts->stat = SAS_OPEN_REJECT;
2570 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2571 		if (pm8001_dev)
2572 			atomic_dec(&pm8001_dev->running_req);
2573 		break;
2574 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2575 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2576 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2577 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2578 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2579 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2580 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2581 		ts->resp = SAS_TASK_COMPLETE;
2582 		ts->stat = SAS_DEV_NO_RESPONSE;
2583 		if (!t->uldd_task) {
2584 			pm8001_handle_event(pm8001_ha,
2585 				pm8001_dev,
2586 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2587 			ts->resp = SAS_TASK_UNDELIVERED;
2588 			ts->stat = SAS_QUEUE_FULL;
2589 			spin_unlock_irqrestore(&circularQ->oq_lock,
2590 					circularQ->lock_flags);
2591 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2592 			spin_lock_irqsave(&circularQ->oq_lock,
2593 					circularQ->lock_flags);
2594 			return;
2595 		}
2596 		break;
2597 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2598 		pm8001_dbg(pm8001_ha, IO,
2599 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2600 		ts->resp = SAS_TASK_UNDELIVERED;
2601 		ts->stat = SAS_OPEN_REJECT;
2602 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2603 		if (!t->uldd_task) {
2604 			pm8001_handle_event(pm8001_ha,
2605 				pm8001_dev,
2606 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2607 			ts->resp = SAS_TASK_UNDELIVERED;
2608 			ts->stat = SAS_QUEUE_FULL;
2609 			spin_unlock_irqrestore(&circularQ->oq_lock,
2610 					circularQ->lock_flags);
2611 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2612 			spin_lock_irqsave(&circularQ->oq_lock,
2613 					circularQ->lock_flags);
2614 			return;
2615 		}
2616 		break;
2617 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2618 		pm8001_dbg(pm8001_ha, IO,
2619 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2620 		ts->resp = SAS_TASK_COMPLETE;
2621 		ts->stat = SAS_OPEN_REJECT;
2622 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2623 		if (pm8001_dev)
2624 			atomic_dec(&pm8001_dev->running_req);
2625 		break;
2626 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2627 		pm8001_dbg(pm8001_ha, IO,
2628 			   "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2629 		ts->resp = SAS_TASK_COMPLETE;
2630 		ts->stat = SAS_DEV_NO_RESPONSE;
2631 		if (!t->uldd_task) {
2632 			pm8001_handle_event(pm8001_ha,
2633 				pm8001_dev,
2634 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2635 			ts->resp = SAS_TASK_UNDELIVERED;
2636 			ts->stat = SAS_QUEUE_FULL;
2637 			spin_unlock_irqrestore(&circularQ->oq_lock,
2638 					circularQ->lock_flags);
2639 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2640 			spin_lock_irqsave(&circularQ->oq_lock,
2641 					circularQ->lock_flags);
2642 			return;
2643 		}
2644 		break;
2645 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2646 		pm8001_dbg(pm8001_ha, IO,
2647 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2648 		ts->resp = SAS_TASK_COMPLETE;
2649 		ts->stat = SAS_OPEN_REJECT;
2650 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2651 		if (pm8001_dev)
2652 			atomic_dec(&pm8001_dev->running_req);
2653 		break;
2654 	case IO_XFER_ERROR_NAK_RECEIVED:
2655 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2656 		ts->resp = SAS_TASK_COMPLETE;
2657 		ts->stat = SAS_NAK_R_ERR;
2658 		if (pm8001_dev)
2659 			atomic_dec(&pm8001_dev->running_req);
2660 		break;
2661 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2662 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2663 		ts->resp = SAS_TASK_COMPLETE;
2664 		ts->stat = SAS_NAK_R_ERR;
2665 		if (pm8001_dev)
2666 			atomic_dec(&pm8001_dev->running_req);
2667 		break;
2668 	case IO_XFER_ERROR_DMA:
2669 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2670 		ts->resp = SAS_TASK_COMPLETE;
2671 		ts->stat = SAS_ABORTED_TASK;
2672 		if (pm8001_dev)
2673 			atomic_dec(&pm8001_dev->running_req);
2674 		break;
2675 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2676 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2677 		ts->resp = SAS_TASK_UNDELIVERED;
2678 		ts->stat = SAS_DEV_NO_RESPONSE;
2679 		if (pm8001_dev)
2680 			atomic_dec(&pm8001_dev->running_req);
2681 		break;
2682 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2683 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2684 		ts->resp = SAS_TASK_COMPLETE;
2685 		ts->stat = SAS_DATA_UNDERRUN;
2686 		if (pm8001_dev)
2687 			atomic_dec(&pm8001_dev->running_req);
2688 		break;
2689 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2690 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2691 		ts->resp = SAS_TASK_COMPLETE;
2692 		ts->stat = SAS_OPEN_TO;
2693 		if (pm8001_dev)
2694 			atomic_dec(&pm8001_dev->running_req);
2695 		break;
2696 	case IO_PORT_IN_RESET:
2697 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2698 		ts->resp = SAS_TASK_COMPLETE;
2699 		ts->stat = SAS_DEV_NO_RESPONSE;
2700 		if (pm8001_dev)
2701 			atomic_dec(&pm8001_dev->running_req);
2702 		break;
2703 	case IO_DS_NON_OPERATIONAL:
2704 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2705 		ts->resp = SAS_TASK_COMPLETE;
2706 		ts->stat = SAS_DEV_NO_RESPONSE;
2707 		if (!t->uldd_task) {
2708 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2709 					IO_DS_NON_OPERATIONAL);
2710 			ts->resp = SAS_TASK_UNDELIVERED;
2711 			ts->stat = SAS_QUEUE_FULL;
2712 			spin_unlock_irqrestore(&circularQ->oq_lock,
2713 					circularQ->lock_flags);
2714 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2715 			spin_lock_irqsave(&circularQ->oq_lock,
2716 					circularQ->lock_flags);
2717 			return;
2718 		}
2719 		break;
2720 	case IO_DS_IN_RECOVERY:
2721 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2722 		ts->resp = SAS_TASK_COMPLETE;
2723 		ts->stat = SAS_DEV_NO_RESPONSE;
2724 		if (pm8001_dev)
2725 			atomic_dec(&pm8001_dev->running_req);
2726 		break;
2727 	case IO_DS_IN_ERROR:
2728 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2729 		ts->resp = SAS_TASK_COMPLETE;
2730 		ts->stat = SAS_DEV_NO_RESPONSE;
2731 		if (!t->uldd_task) {
2732 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2733 					IO_DS_IN_ERROR);
2734 			ts->resp = SAS_TASK_UNDELIVERED;
2735 			ts->stat = SAS_QUEUE_FULL;
2736 			spin_unlock_irqrestore(&circularQ->oq_lock,
2737 					circularQ->lock_flags);
2738 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2739 			spin_lock_irqsave(&circularQ->oq_lock,
2740 					circularQ->lock_flags);
2741 			return;
2742 		}
2743 		break;
2744 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2745 		pm8001_dbg(pm8001_ha, IO,
2746 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2747 		ts->resp = SAS_TASK_COMPLETE;
2748 		ts->stat = SAS_OPEN_REJECT;
2749 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2750 		if (pm8001_dev)
2751 			atomic_dec(&pm8001_dev->running_req);
2752 		break;
2753 	default:
2754 		pm8001_dbg(pm8001_ha, DEVIO,
2755 				"Unknown status device_id %u status 0x%x tag %d\n",
2756 			pm8001_dev->device_id, status, tag);
2757 		/* not allowed case. Therefore, return failed status */
2758 		ts->resp = SAS_TASK_COMPLETE;
2759 		ts->stat = SAS_DEV_NO_RESPONSE;
2760 		if (pm8001_dev)
2761 			atomic_dec(&pm8001_dev->running_req);
2762 		break;
2763 	}
2764 	spin_lock_irqsave(&t->task_state_lock, flags);
2765 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2766 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2767 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2768 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2769 		pm8001_dbg(pm8001_ha, FAIL,
2770 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2771 			   t, status, ts->resp, ts->stat);
2772 		pm8001_ccb_task_free(pm8001_ha, ccb);
2773 		if (t->slow_task)
2774 			complete(&t->slow_task->completion);
2775 	} else {
2776 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2777 		spin_unlock_irqrestore(&circularQ->oq_lock,
2778 				circularQ->lock_flags);
2779 		pm8001_ccb_task_free_done(pm8001_ha, ccb);
2780 		spin_lock_irqsave(&circularQ->oq_lock,
2781 				circularQ->lock_flags);
2782 	}
2783 }
2784 
2785 /*See the comments for mpi_ssp_completion */
2786 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha,
2787 		struct outbound_queue_table *circularQ, void *piomb)
2788 {
2789 	struct sas_task *t;
2790 	struct task_status_struct *ts;
2791 	struct pm8001_ccb_info *ccb;
2792 	struct pm8001_device *pm8001_dev;
2793 	struct sata_event_resp *psataPayload =
2794 		(struct sata_event_resp *)(piomb + 4);
2795 	u32 event = le32_to_cpu(psataPayload->event);
2796 	u32 tag = le32_to_cpu(psataPayload->tag);
2797 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2798 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2799 
2800 	if (event)
2801 		pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2802 
2803 	/* Check if this is NCQ error */
2804 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2805 		/* find device using device id */
2806 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2807 		/* send read log extension */
2808 		if (pm8001_dev)
2809 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2810 		return;
2811 	}
2812 
2813 	ccb = &pm8001_ha->ccb_info[tag];
2814 	t = ccb->task;
2815 	pm8001_dev = ccb->device;
2816 
2817 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2818 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2819 		return;
2820 	}
2821 
2822 	ts = &t->task_status;
2823 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2824 		   port_id, tag, event);
2825 	switch (event) {
2826 	case IO_OVERFLOW:
2827 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2828 		ts->resp = SAS_TASK_COMPLETE;
2829 		ts->stat = SAS_DATA_OVERRUN;
2830 		ts->residual = 0;
2831 		break;
2832 	case IO_XFER_ERROR_BREAK:
2833 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2834 		ts->resp = SAS_TASK_COMPLETE;
2835 		ts->stat = SAS_INTERRUPTED;
2836 		break;
2837 	case IO_XFER_ERROR_PHY_NOT_READY:
2838 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2839 		ts->resp = SAS_TASK_COMPLETE;
2840 		ts->stat = SAS_OPEN_REJECT;
2841 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2842 		break;
2843 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2844 		pm8001_dbg(pm8001_ha, IO,
2845 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2846 		ts->resp = SAS_TASK_COMPLETE;
2847 		ts->stat = SAS_OPEN_REJECT;
2848 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2849 		break;
2850 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2851 		pm8001_dbg(pm8001_ha, IO,
2852 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2853 		ts->resp = SAS_TASK_COMPLETE;
2854 		ts->stat = SAS_OPEN_REJECT;
2855 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2856 		break;
2857 	case IO_OPEN_CNX_ERROR_BREAK:
2858 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2859 		ts->resp = SAS_TASK_COMPLETE;
2860 		ts->stat = SAS_OPEN_REJECT;
2861 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2862 		break;
2863 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2864 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2865 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2866 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2867 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2868 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2869 		pm8001_dbg(pm8001_ha, FAIL,
2870 			   "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2871 		ts->resp = SAS_TASK_UNDELIVERED;
2872 		ts->stat = SAS_DEV_NO_RESPONSE;
2873 		if (!t->uldd_task) {
2874 			pm8001_handle_event(pm8001_ha,
2875 				pm8001_dev,
2876 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2877 			ts->resp = SAS_TASK_COMPLETE;
2878 			ts->stat = SAS_QUEUE_FULL;
2879 			return;
2880 		}
2881 		break;
2882 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2883 		pm8001_dbg(pm8001_ha, IO,
2884 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2885 		ts->resp = SAS_TASK_UNDELIVERED;
2886 		ts->stat = SAS_OPEN_REJECT;
2887 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2888 		break;
2889 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2890 		pm8001_dbg(pm8001_ha, IO,
2891 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2892 		ts->resp = SAS_TASK_COMPLETE;
2893 		ts->stat = SAS_OPEN_REJECT;
2894 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2895 		break;
2896 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2897 		pm8001_dbg(pm8001_ha, IO,
2898 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2899 		ts->resp = SAS_TASK_COMPLETE;
2900 		ts->stat = SAS_OPEN_REJECT;
2901 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2902 		break;
2903 	case IO_XFER_ERROR_NAK_RECEIVED:
2904 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2905 		ts->resp = SAS_TASK_COMPLETE;
2906 		ts->stat = SAS_NAK_R_ERR;
2907 		break;
2908 	case IO_XFER_ERROR_PEER_ABORTED:
2909 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2910 		ts->resp = SAS_TASK_COMPLETE;
2911 		ts->stat = SAS_NAK_R_ERR;
2912 		break;
2913 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2914 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2915 		ts->resp = SAS_TASK_COMPLETE;
2916 		ts->stat = SAS_DATA_UNDERRUN;
2917 		break;
2918 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2919 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2920 		ts->resp = SAS_TASK_COMPLETE;
2921 		ts->stat = SAS_OPEN_TO;
2922 		break;
2923 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2924 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2925 		ts->resp = SAS_TASK_COMPLETE;
2926 		ts->stat = SAS_OPEN_TO;
2927 		break;
2928 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2929 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2930 		ts->resp = SAS_TASK_COMPLETE;
2931 		ts->stat = SAS_OPEN_TO;
2932 		break;
2933 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2934 		pm8001_dbg(pm8001_ha, IO,
2935 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2936 		ts->resp = SAS_TASK_COMPLETE;
2937 		ts->stat = SAS_OPEN_TO;
2938 		break;
2939 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2940 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2941 		ts->resp = SAS_TASK_COMPLETE;
2942 		ts->stat = SAS_OPEN_TO;
2943 		break;
2944 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2945 		pm8001_dbg(pm8001_ha, IO,
2946 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2947 		ts->resp = SAS_TASK_COMPLETE;
2948 		ts->stat = SAS_OPEN_TO;
2949 		break;
2950 	case IO_XFER_CMD_FRAME_ISSUED:
2951 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2952 		break;
2953 	case IO_XFER_PIO_SETUP_ERROR:
2954 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2955 		ts->resp = SAS_TASK_COMPLETE;
2956 		ts->stat = SAS_OPEN_TO;
2957 		break;
2958 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2959 		pm8001_dbg(pm8001_ha, FAIL,
2960 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2961 		/* TBC: used default set values */
2962 		ts->resp = SAS_TASK_COMPLETE;
2963 		ts->stat = SAS_OPEN_TO;
2964 		break;
2965 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2966 		pm8001_dbg(pm8001_ha, FAIL, "IO_XFR_DMA_ACTIVATE_TIMEOUT\n");
2967 		/* TBC: used default set values */
2968 		ts->resp = SAS_TASK_COMPLETE;
2969 		ts->stat = SAS_OPEN_TO;
2970 		break;
2971 	default:
2972 		pm8001_dbg(pm8001_ha, IO, "Unknown status 0x%x\n", event);
2973 		/* not allowed case. Therefore, return failed status */
2974 		ts->resp = SAS_TASK_COMPLETE;
2975 		ts->stat = SAS_OPEN_TO;
2976 		break;
2977 	}
2978 }
2979 
2980 /*See the comments for mpi_ssp_completion */
2981 static void
2982 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2983 {
2984 	u32 param, i;
2985 	struct sas_task *t;
2986 	struct pm8001_ccb_info *ccb;
2987 	unsigned long flags;
2988 	u32 status;
2989 	u32 tag;
2990 	struct smp_completion_resp *psmpPayload;
2991 	struct task_status_struct *ts;
2992 	struct pm8001_device *pm8001_dev;
2993 
2994 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2995 	status = le32_to_cpu(psmpPayload->status);
2996 	tag = le32_to_cpu(psmpPayload->tag);
2997 
2998 	ccb = &pm8001_ha->ccb_info[tag];
2999 	param = le32_to_cpu(psmpPayload->param);
3000 	t = ccb->task;
3001 	ts = &t->task_status;
3002 	pm8001_dev = ccb->device;
3003 	if (status)
3004 		pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
3005 	if (unlikely(!t || !t->lldd_task || !t->dev))
3006 		return;
3007 
3008 	pm8001_dbg(pm8001_ha, DEV, "tag::0x%x status::0x%x\n", tag, status);
3009 
3010 	switch (status) {
3011 
3012 	case IO_SUCCESS:
3013 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
3014 		ts->resp = SAS_TASK_COMPLETE;
3015 		ts->stat = SAS_SAM_STAT_GOOD;
3016 		if (pm8001_dev)
3017 			atomic_dec(&pm8001_dev->running_req);
3018 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3019 			struct scatterlist *sg_resp = &t->smp_task.smp_resp;
3020 			u8 *payload;
3021 			void *to;
3022 
3023 			pm8001_dbg(pm8001_ha, IO,
3024 				   "DIRECT RESPONSE Length:%d\n",
3025 				   param);
3026 			to = kmap_atomic(sg_page(sg_resp));
3027 			payload = to + sg_resp->offset;
3028 			for (i = 0; i < param; i++) {
3029 				*(payload + i) = psmpPayload->_r_a[i];
3030 				pm8001_dbg(pm8001_ha, IO,
3031 					   "SMP Byte%d DMA data 0x%x psmp 0x%x\n",
3032 					   i, *(payload + i),
3033 					   psmpPayload->_r_a[i]);
3034 			}
3035 			kunmap_atomic(to);
3036 		}
3037 		break;
3038 	case IO_ABORTED:
3039 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
3040 		ts->resp = SAS_TASK_COMPLETE;
3041 		ts->stat = SAS_ABORTED_TASK;
3042 		if (pm8001_dev)
3043 			atomic_dec(&pm8001_dev->running_req);
3044 		break;
3045 	case IO_OVERFLOW:
3046 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
3047 		ts->resp = SAS_TASK_COMPLETE;
3048 		ts->stat = SAS_DATA_OVERRUN;
3049 		ts->residual = 0;
3050 		if (pm8001_dev)
3051 			atomic_dec(&pm8001_dev->running_req);
3052 		break;
3053 	case IO_NO_DEVICE:
3054 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
3055 		ts->resp = SAS_TASK_COMPLETE;
3056 		ts->stat = SAS_PHY_DOWN;
3057 		break;
3058 	case IO_ERROR_HW_TIMEOUT:
3059 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
3060 		ts->resp = SAS_TASK_COMPLETE;
3061 		ts->stat = SAS_SAM_STAT_BUSY;
3062 		break;
3063 	case IO_XFER_ERROR_BREAK:
3064 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
3065 		ts->resp = SAS_TASK_COMPLETE;
3066 		ts->stat = SAS_SAM_STAT_BUSY;
3067 		break;
3068 	case IO_XFER_ERROR_PHY_NOT_READY:
3069 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
3070 		ts->resp = SAS_TASK_COMPLETE;
3071 		ts->stat = SAS_SAM_STAT_BUSY;
3072 		break;
3073 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
3074 		pm8001_dbg(pm8001_ha, IO,
3075 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
3076 		ts->resp = SAS_TASK_COMPLETE;
3077 		ts->stat = SAS_OPEN_REJECT;
3078 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3079 		break;
3080 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
3081 		pm8001_dbg(pm8001_ha, IO,
3082 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
3083 		ts->resp = SAS_TASK_COMPLETE;
3084 		ts->stat = SAS_OPEN_REJECT;
3085 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3086 		break;
3087 	case IO_OPEN_CNX_ERROR_BREAK:
3088 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
3089 		ts->resp = SAS_TASK_COMPLETE;
3090 		ts->stat = SAS_OPEN_REJECT;
3091 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
3092 		break;
3093 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
3094 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
3095 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
3096 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
3097 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
3098 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
3099 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
3100 		ts->resp = SAS_TASK_COMPLETE;
3101 		ts->stat = SAS_OPEN_REJECT;
3102 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3103 		pm8001_handle_event(pm8001_ha,
3104 				pm8001_dev,
3105 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3106 		break;
3107 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3108 		pm8001_dbg(pm8001_ha, IO,
3109 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
3110 		ts->resp = SAS_TASK_COMPLETE;
3111 		ts->stat = SAS_OPEN_REJECT;
3112 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3113 		break;
3114 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3115 		pm8001_dbg(pm8001_ha, IO,
3116 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
3117 		ts->resp = SAS_TASK_COMPLETE;
3118 		ts->stat = SAS_OPEN_REJECT;
3119 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3120 		break;
3121 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3122 		pm8001_dbg(pm8001_ha, IO,
3123 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
3124 		ts->resp = SAS_TASK_COMPLETE;
3125 		ts->stat = SAS_OPEN_REJECT;
3126 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3127 		break;
3128 	case IO_XFER_ERROR_RX_FRAME:
3129 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
3130 		ts->resp = SAS_TASK_COMPLETE;
3131 		ts->stat = SAS_DEV_NO_RESPONSE;
3132 		break;
3133 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3134 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
3135 		ts->resp = SAS_TASK_COMPLETE;
3136 		ts->stat = SAS_OPEN_REJECT;
3137 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3138 		break;
3139 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3140 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
3141 		ts->resp = SAS_TASK_COMPLETE;
3142 		ts->stat = SAS_QUEUE_FULL;
3143 		break;
3144 	case IO_PORT_IN_RESET:
3145 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
3146 		ts->resp = SAS_TASK_COMPLETE;
3147 		ts->stat = SAS_OPEN_REJECT;
3148 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3149 		break;
3150 	case IO_DS_NON_OPERATIONAL:
3151 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
3152 		ts->resp = SAS_TASK_COMPLETE;
3153 		ts->stat = SAS_DEV_NO_RESPONSE;
3154 		break;
3155 	case IO_DS_IN_RECOVERY:
3156 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
3157 		ts->resp = SAS_TASK_COMPLETE;
3158 		ts->stat = SAS_OPEN_REJECT;
3159 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3160 		break;
3161 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3162 		pm8001_dbg(pm8001_ha, IO,
3163 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
3164 		ts->resp = SAS_TASK_COMPLETE;
3165 		ts->stat = SAS_OPEN_REJECT;
3166 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3167 		break;
3168 	default:
3169 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
3170 		ts->resp = SAS_TASK_COMPLETE;
3171 		ts->stat = SAS_DEV_NO_RESPONSE;
3172 		/* not allowed case. Therefore, return failed status */
3173 		break;
3174 	}
3175 	spin_lock_irqsave(&t->task_state_lock, flags);
3176 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3177 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3178 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3179 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3180 		pm8001_dbg(pm8001_ha, FAIL,
3181 			   "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n",
3182 			   t, status, ts->resp, ts->stat);
3183 		pm8001_ccb_task_free(pm8001_ha, ccb);
3184 	} else {
3185 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3186 		pm8001_ccb_task_free(pm8001_ha, ccb);
3187 		mb();/* in order to force CPU ordering */
3188 		t->task_done(t);
3189 	}
3190 }
3191 
3192 /**
3193  * pm80xx_hw_event_ack_req- For PM8001, some events need to acknowledge to FW.
3194  * @pm8001_ha: our hba card information
3195  * @Qnum: the outbound queue message number.
3196  * @SEA: source of event to ack
3197  * @port_id: port id.
3198  * @phyId: phy id.
3199  * @param0: parameter 0.
3200  * @param1: parameter 1.
3201  */
3202 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3203 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3204 {
3205 	struct hw_event_ack_req	 payload;
3206 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3207 
3208 	memset((u8 *)&payload, 0, sizeof(payload));
3209 	payload.tag = cpu_to_le32(1);
3210 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3211 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
3212 	payload.param0 = cpu_to_le32(param0);
3213 	payload.param1 = cpu_to_le32(param1);
3214 
3215 	pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload,
3216 			     sizeof(payload), 0);
3217 }
3218 
3219 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3220 	u32 phyId, u32 phy_op);
3221 
3222 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
3223 					void *piomb)
3224 {
3225 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
3226 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3227 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3228 	u32 lr_status_evt_portid =
3229 		le32_to_cpu(pPayload->lr_status_evt_portid);
3230 	u8 deviceType = pPayload->sas_identify.dev_type;
3231 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3232 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3233 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3234 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3235 
3236 	if (deviceType == SAS_END_DEVICE) {
3237 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3238 					PHY_NOTIFY_ENABLE_SPINUP);
3239 	}
3240 
3241 	port->wide_port_phymap |= (1U << phy_id);
3242 	pm8001_get_lrate_mode(phy, link_rate);
3243 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3244 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3245 	phy->phy_attached = 1;
3246 }
3247 
3248 /**
3249  * hw_event_sas_phy_up - FW tells me a SAS phy up event.
3250  * @pm8001_ha: our hba card information
3251  * @piomb: IO message buffer
3252  */
3253 static void
3254 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3255 {
3256 	struct hw_event_resp *pPayload =
3257 		(struct hw_event_resp *)(piomb + 4);
3258 	u32 lr_status_evt_portid =
3259 		le32_to_cpu(pPayload->lr_status_evt_portid);
3260 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3261 
3262 	u8 link_rate =
3263 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3264 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3265 	u8 phy_id =
3266 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3267 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3268 
3269 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3270 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3271 	unsigned long flags;
3272 	u8 deviceType = pPayload->sas_identify.dev_type;
3273 	phy->port = port;
3274 	port->port_id = port_id;
3275 	port->port_state = portstate;
3276 	port->wide_port_phymap |= (1U << phy_id);
3277 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3278 	pm8001_dbg(pm8001_ha, MSG,
3279 		   "portid:%d; phyid:%d; linkrate:%d; portstate:%x; devicetype:%x\n",
3280 		   port_id, phy_id, link_rate, portstate, deviceType);
3281 
3282 	switch (deviceType) {
3283 	case SAS_PHY_UNUSED:
3284 		pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3285 		break;
3286 	case SAS_END_DEVICE:
3287 		pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3288 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3289 			PHY_NOTIFY_ENABLE_SPINUP);
3290 		port->port_attached = 1;
3291 		pm8001_get_lrate_mode(phy, link_rate);
3292 		break;
3293 	case SAS_EDGE_EXPANDER_DEVICE:
3294 		pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3295 		port->port_attached = 1;
3296 		pm8001_get_lrate_mode(phy, link_rate);
3297 		break;
3298 	case SAS_FANOUT_EXPANDER_DEVICE:
3299 		pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3300 		port->port_attached = 1;
3301 		pm8001_get_lrate_mode(phy, link_rate);
3302 		break;
3303 	default:
3304 		pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3305 			   deviceType);
3306 		break;
3307 	}
3308 	phy->phy_type |= PORT_TYPE_SAS;
3309 	phy->identify.device_type = deviceType;
3310 	phy->phy_attached = 1;
3311 	if (phy->identify.device_type == SAS_END_DEVICE)
3312 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3313 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3314 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3315 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3316 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3317 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3318 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3319 		sizeof(struct sas_identify_frame)-4);
3320 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3321 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3322 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3323 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3324 		mdelay(200); /* delay a moment to wait for disk to spin up */
3325 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3326 }
3327 
3328 /**
3329  * hw_event_sata_phy_up - FW tells me a SATA phy up event.
3330  * @pm8001_ha: our hba card information
3331  * @piomb: IO message buffer
3332  */
3333 static void
3334 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3335 {
3336 	struct hw_event_resp *pPayload =
3337 		(struct hw_event_resp *)(piomb + 4);
3338 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3339 	u32 lr_status_evt_portid =
3340 		le32_to_cpu(pPayload->lr_status_evt_portid);
3341 	u8 link_rate =
3342 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3343 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3344 	u8 phy_id =
3345 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3346 
3347 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3348 
3349 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3350 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3351 	unsigned long flags;
3352 	pm8001_dbg(pm8001_ha, DEVIO,
3353 		   "port id %d, phy id %d link_rate %d portstate 0x%x\n",
3354 		   port_id, phy_id, link_rate, portstate);
3355 
3356 	phy->port = port;
3357 	port->port_id = port_id;
3358 	port->port_state = portstate;
3359 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3360 	port->port_attached = 1;
3361 	pm8001_get_lrate_mode(phy, link_rate);
3362 	phy->phy_type |= PORT_TYPE_SATA;
3363 	phy->phy_attached = 1;
3364 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3365 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3366 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3367 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3368 		sizeof(struct dev_to_host_fis));
3369 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3370 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3371 	phy->identify.device_type = SAS_SATA_DEV;
3372 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3373 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3374 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3375 }
3376 
3377 /**
3378  * hw_event_phy_down - we should notify the libsas the phy is down.
3379  * @pm8001_ha: our hba card information
3380  * @piomb: IO message buffer
3381  */
3382 static void
3383 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3384 {
3385 	struct hw_event_resp *pPayload =
3386 		(struct hw_event_resp *)(piomb + 4);
3387 
3388 	u32 lr_status_evt_portid =
3389 		le32_to_cpu(pPayload->lr_status_evt_portid);
3390 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3391 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3392 	u8 phy_id =
3393 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3394 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3395 
3396 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3397 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3398 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3399 	port->port_state = portstate;
3400 	phy->identify.device_type = 0;
3401 	phy->phy_attached = 0;
3402 	switch (portstate) {
3403 	case PORT_VALID:
3404 		break;
3405 	case PORT_INVALID:
3406 		pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3407 			   port_id);
3408 		pm8001_dbg(pm8001_ha, MSG,
3409 			   " Last phy Down and port invalid\n");
3410 		if (port_sata) {
3411 			phy->phy_type = 0;
3412 			port->port_attached = 0;
3413 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3414 					port_id, phy_id, 0, 0);
3415 		}
3416 		sas_phy_disconnected(&phy->sas_phy);
3417 		break;
3418 	case PORT_IN_RESET:
3419 		pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3420 			   port_id);
3421 		break;
3422 	case PORT_NOT_ESTABLISHED:
3423 		pm8001_dbg(pm8001_ha, MSG,
3424 			   " Phy Down and PORT_NOT_ESTABLISHED\n");
3425 		port->port_attached = 0;
3426 		break;
3427 	case PORT_LOSTCOMM:
3428 		pm8001_dbg(pm8001_ha, MSG, " Phy Down and PORT_LOSTCOMM\n");
3429 		pm8001_dbg(pm8001_ha, MSG,
3430 			   " Last phy Down and port invalid\n");
3431 		if (port_sata) {
3432 			port->port_attached = 0;
3433 			phy->phy_type = 0;
3434 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3435 					port_id, phy_id, 0, 0);
3436 		}
3437 		sas_phy_disconnected(&phy->sas_phy);
3438 		break;
3439 	default:
3440 		port->port_attached = 0;
3441 		pm8001_dbg(pm8001_ha, DEVIO,
3442 			   " Phy Down and(default) = 0x%x\n",
3443 			   portstate);
3444 		break;
3445 
3446 	}
3447 	if (port_sata && (portstate != PORT_IN_RESET))
3448 		sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3449 				GFP_ATOMIC);
3450 }
3451 
3452 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3453 {
3454 	struct phy_start_resp *pPayload =
3455 		(struct phy_start_resp *)(piomb + 4);
3456 	u32 status =
3457 		le32_to_cpu(pPayload->status);
3458 	u32 phy_id =
3459 		le32_to_cpu(pPayload->phyid) & 0xFF;
3460 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3461 
3462 	pm8001_dbg(pm8001_ha, INIT,
3463 		   "phy start resp status:0x%x, phyid:0x%x\n",
3464 		   status, phy_id);
3465 	if (status == 0)
3466 		phy->phy_state = PHY_LINK_DOWN;
3467 
3468 	if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3469 			phy->enable_completion != NULL) {
3470 		complete(phy->enable_completion);
3471 		phy->enable_completion = NULL;
3472 	}
3473 	return 0;
3474 
3475 }
3476 
3477 /**
3478  * mpi_thermal_hw_event - a thermal hw event has come.
3479  * @pm8001_ha: our hba card information
3480  * @piomb: IO message buffer
3481  */
3482 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3483 {
3484 	struct thermal_hw_event *pPayload =
3485 		(struct thermal_hw_event *)(piomb + 4);
3486 
3487 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3488 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3489 
3490 	if (thermal_event & 0x40) {
3491 		pm8001_dbg(pm8001_ha, IO,
3492 			   "Thermal Event: Local high temperature violated!\n");
3493 		pm8001_dbg(pm8001_ha, IO,
3494 			   "Thermal Event: Measured local high temperature %d\n",
3495 			   ((rht_lht & 0xFF00) >> 8));
3496 	}
3497 	if (thermal_event & 0x10) {
3498 		pm8001_dbg(pm8001_ha, IO,
3499 			   "Thermal Event: Remote high temperature violated!\n");
3500 		pm8001_dbg(pm8001_ha, IO,
3501 			   "Thermal Event: Measured remote high temperature %d\n",
3502 			   ((rht_lht & 0xFF000000) >> 24));
3503 	}
3504 	return 0;
3505 }
3506 
3507 /**
3508  * mpi_hw_event - The hw event has come.
3509  * @pm8001_ha: our hba card information
3510  * @piomb: IO message buffer
3511  */
3512 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3513 {
3514 	unsigned long flags, i;
3515 	struct hw_event_resp *pPayload =
3516 		(struct hw_event_resp *)(piomb + 4);
3517 	u32 lr_status_evt_portid =
3518 		le32_to_cpu(pPayload->lr_status_evt_portid);
3519 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3520 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3521 	u8 phy_id =
3522 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3523 	u16 eventType =
3524 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3525 	u8 status =
3526 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3527 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3528 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3529 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3530 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3531 	pm8001_dbg(pm8001_ha, DEV,
3532 		   "portid:%d phyid:%d event:0x%x status:0x%x\n",
3533 		   port_id, phy_id, eventType, status);
3534 
3535 	switch (eventType) {
3536 
3537 	case HW_EVENT_SAS_PHY_UP:
3538 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3539 		hw_event_sas_phy_up(pm8001_ha, piomb);
3540 		break;
3541 	case HW_EVENT_SATA_PHY_UP:
3542 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3543 		hw_event_sata_phy_up(pm8001_ha, piomb);
3544 		break;
3545 	case HW_EVENT_SATA_SPINUP_HOLD:
3546 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3547 		sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3548 			GFP_ATOMIC);
3549 		break;
3550 	case HW_EVENT_PHY_DOWN:
3551 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3552 		hw_event_phy_down(pm8001_ha, piomb);
3553 		if (pm8001_ha->reset_in_progress) {
3554 			pm8001_dbg(pm8001_ha, MSG, "Reset in progress\n");
3555 			return 0;
3556 		}
3557 		phy->phy_attached = 0;
3558 		phy->phy_state = PHY_LINK_DISABLE;
3559 		break;
3560 	case HW_EVENT_PORT_INVALID:
3561 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3562 		sas_phy_disconnected(sas_phy);
3563 		phy->phy_attached = 0;
3564 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3565 			GFP_ATOMIC);
3566 		break;
3567 	/* the broadcast change primitive received, tell the LIBSAS this event
3568 	to revalidate the sas domain*/
3569 	case HW_EVENT_BROADCAST_CHANGE:
3570 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3571 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3572 			port_id, phy_id, 1, 0);
3573 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3574 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3575 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3576 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3577 			GFP_ATOMIC);
3578 		break;
3579 	case HW_EVENT_PHY_ERROR:
3580 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3581 		sas_phy_disconnected(&phy->sas_phy);
3582 		phy->phy_attached = 0;
3583 		sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3584 		break;
3585 	case HW_EVENT_BROADCAST_EXP:
3586 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3587 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3588 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3589 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3590 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3591 			GFP_ATOMIC);
3592 		break;
3593 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3594 		pm8001_dbg(pm8001_ha, MSG,
3595 			   "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3596 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3597 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3598 		break;
3599 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3600 		pm8001_dbg(pm8001_ha, MSG,
3601 			   "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3602 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3603 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3604 			port_id, phy_id, 0, 0);
3605 		break;
3606 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3607 		pm8001_dbg(pm8001_ha, MSG,
3608 			   "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3609 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3610 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3611 			port_id, phy_id, 0, 0);
3612 		break;
3613 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3614 		pm8001_dbg(pm8001_ha, MSG,
3615 			   "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3616 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3617 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3618 			port_id, phy_id, 0, 0);
3619 		break;
3620 	case HW_EVENT_MALFUNCTION:
3621 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3622 		break;
3623 	case HW_EVENT_BROADCAST_SES:
3624 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3625 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3626 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3627 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3628 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3629 			GFP_ATOMIC);
3630 		break;
3631 	case HW_EVENT_INBOUND_CRC_ERROR:
3632 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3633 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3634 			HW_EVENT_INBOUND_CRC_ERROR,
3635 			port_id, phy_id, 0, 0);
3636 		break;
3637 	case HW_EVENT_HARD_RESET_RECEIVED:
3638 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3639 		sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3640 		break;
3641 	case HW_EVENT_ID_FRAME_TIMEOUT:
3642 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3643 		sas_phy_disconnected(sas_phy);
3644 		phy->phy_attached = 0;
3645 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3646 			GFP_ATOMIC);
3647 		break;
3648 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3649 		pm8001_dbg(pm8001_ha, MSG,
3650 			   "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3651 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3652 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3653 			port_id, phy_id, 0, 0);
3654 		sas_phy_disconnected(sas_phy);
3655 		phy->phy_attached = 0;
3656 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3657 			GFP_ATOMIC);
3658 		break;
3659 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3660 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3661 		if (!pm8001_ha->phy[phy_id].reset_completion) {
3662 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3663 				port_id, phy_id, 0, 0);
3664 		}
3665 		sas_phy_disconnected(sas_phy);
3666 		phy->phy_attached = 0;
3667 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3668 			GFP_ATOMIC);
3669 		if (pm8001_ha->phy[phy_id].reset_completion) {
3670 			pm8001_ha->phy[phy_id].port_reset_status =
3671 					PORT_RESET_TMO;
3672 			complete(pm8001_ha->phy[phy_id].reset_completion);
3673 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3674 		}
3675 		break;
3676 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3677 		pm8001_dbg(pm8001_ha, MSG,
3678 			   "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3679 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3680 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3681 			port_id, phy_id, 0, 0);
3682 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3683 			if (port->wide_port_phymap & (1 << i)) {
3684 				phy = &pm8001_ha->phy[i];
3685 				sas_notify_phy_event(&phy->sas_phy,
3686 					PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC);
3687 				port->wide_port_phymap &= ~(1 << i);
3688 			}
3689 		}
3690 		break;
3691 	case HW_EVENT_PORT_RECOVER:
3692 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3693 		hw_event_port_recover(pm8001_ha, piomb);
3694 		break;
3695 	case HW_EVENT_PORT_RESET_COMPLETE:
3696 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3697 		if (pm8001_ha->phy[phy_id].reset_completion) {
3698 			pm8001_ha->phy[phy_id].port_reset_status =
3699 					PORT_RESET_SUCCESS;
3700 			complete(pm8001_ha->phy[phy_id].reset_completion);
3701 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3702 		}
3703 		break;
3704 	case EVENT_BROADCAST_ASYNCH_EVENT:
3705 		pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3706 		break;
3707 	default:
3708 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type 0x%x\n",
3709 			   eventType);
3710 		break;
3711 	}
3712 	return 0;
3713 }
3714 
3715 /**
3716  * mpi_phy_stop_resp - SPCv specific
3717  * @pm8001_ha: our hba card information
3718  * @piomb: IO message buffer
3719  */
3720 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3721 {
3722 	struct phy_stop_resp *pPayload =
3723 		(struct phy_stop_resp *)(piomb + 4);
3724 	u32 status =
3725 		le32_to_cpu(pPayload->status);
3726 	u32 phyid =
3727 		le32_to_cpu(pPayload->phyid) & 0xFF;
3728 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3729 	pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
3730 		   phyid, status);
3731 	if (status == PHY_STOP_SUCCESS ||
3732 		status == PHY_STOP_ERR_DEVICE_ATTACHED) {
3733 		phy->phy_state = PHY_LINK_DISABLE;
3734 		phy->sas_phy.phy->negotiated_linkrate = SAS_PHY_DISABLED;
3735 		phy->sas_phy.linkrate = SAS_PHY_DISABLED;
3736 	}
3737 
3738 	return 0;
3739 }
3740 
3741 /**
3742  * mpi_set_controller_config_resp - SPCv specific
3743  * @pm8001_ha: our hba card information
3744  * @piomb: IO message buffer
3745  */
3746 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3747 			void *piomb)
3748 {
3749 	struct set_ctrl_cfg_resp *pPayload =
3750 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3751 	u32 status = le32_to_cpu(pPayload->status);
3752 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3753 
3754 	pm8001_dbg(pm8001_ha, MSG,
3755 		   "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3756 		   status, err_qlfr_pgcd);
3757 
3758 	return 0;
3759 }
3760 
3761 /**
3762  * mpi_get_controller_config_resp - SPCv specific
3763  * @pm8001_ha: our hba card information
3764  * @piomb: IO message buffer
3765  */
3766 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3767 			void *piomb)
3768 {
3769 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3770 
3771 	return 0;
3772 }
3773 
3774 /**
3775  * mpi_get_phy_profile_resp - SPCv specific
3776  * @pm8001_ha: our hba card information
3777  * @piomb: IO message buffer
3778  */
3779 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3780 			void *piomb)
3781 {
3782 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3783 
3784 	return 0;
3785 }
3786 
3787 /**
3788  * mpi_flash_op_ext_resp - SPCv specific
3789  * @pm8001_ha: our hba card information
3790  * @piomb: IO message buffer
3791  */
3792 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3793 {
3794 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3795 
3796 	return 0;
3797 }
3798 
3799 /**
3800  * mpi_set_phy_profile_resp - SPCv specific
3801  * @pm8001_ha: our hba card information
3802  * @piomb: IO message buffer
3803  */
3804 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3805 			void *piomb)
3806 {
3807 	u32 tag;
3808 	u8 page_code;
3809 	int rc = 0;
3810 	struct set_phy_profile_resp *pPayload =
3811 		(struct set_phy_profile_resp *)(piomb + 4);
3812 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3813 	u32 status = le32_to_cpu(pPayload->status);
3814 
3815 	tag = le32_to_cpu(pPayload->tag);
3816 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3817 	if (status) {
3818 		/* status is FAILED */
3819 		pm8001_dbg(pm8001_ha, FAIL,
3820 			   "PhyProfile command failed  with status 0x%08X\n",
3821 			   status);
3822 		rc = -1;
3823 	} else {
3824 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3825 			pm8001_dbg(pm8001_ha, FAIL, "Invalid page code 0x%X\n",
3826 				   page_code);
3827 			rc = -1;
3828 		}
3829 	}
3830 	pm8001_tag_free(pm8001_ha, tag);
3831 	return rc;
3832 }
3833 
3834 /**
3835  * mpi_kek_management_resp - SPCv specific
3836  * @pm8001_ha: our hba card information
3837  * @piomb: IO message buffer
3838  */
3839 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3840 			void *piomb)
3841 {
3842 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3843 
3844 	u32 status = le32_to_cpu(pPayload->status);
3845 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3846 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3847 
3848 	pm8001_dbg(pm8001_ha, MSG,
3849 		   "KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3850 		   status, kidx_new_curr_ksop, err_qlfr);
3851 
3852 	return 0;
3853 }
3854 
3855 /**
3856  * mpi_dek_management_resp - SPCv specific
3857  * @pm8001_ha: our hba card information
3858  * @piomb: IO message buffer
3859  */
3860 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3861 			void *piomb)
3862 {
3863 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3864 
3865 	return 0;
3866 }
3867 
3868 /**
3869  * ssp_coalesced_comp_resp - SPCv specific
3870  * @pm8001_ha: our hba card information
3871  * @piomb: IO message buffer
3872  */
3873 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3874 			void *piomb)
3875 {
3876 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3877 
3878 	return 0;
3879 }
3880 
3881 /**
3882  * process_one_iomb - process one outbound Queue memory block
3883  * @pm8001_ha: our hba card information
3884  * @circularQ: outbound circular queue
3885  * @piomb: IO message buffer
3886  */
3887 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha,
3888 		struct outbound_queue_table *circularQ, void *piomb)
3889 {
3890 	__le32 pHeader = *(__le32 *)piomb;
3891 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3892 
3893 	switch (opc) {
3894 	case OPC_OUB_ECHO:
3895 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3896 		break;
3897 	case OPC_OUB_HW_EVENT:
3898 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3899 		mpi_hw_event(pm8001_ha, piomb);
3900 		break;
3901 	case OPC_OUB_THERM_HW_EVENT:
3902 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_THERMAL_EVENT\n");
3903 		mpi_thermal_hw_event(pm8001_ha, piomb);
3904 		break;
3905 	case OPC_OUB_SSP_COMP:
3906 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3907 		mpi_ssp_completion(pm8001_ha, piomb);
3908 		break;
3909 	case OPC_OUB_SMP_COMP:
3910 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3911 		mpi_smp_completion(pm8001_ha, piomb);
3912 		break;
3913 	case OPC_OUB_LOCAL_PHY_CNTRL:
3914 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3915 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3916 		break;
3917 	case OPC_OUB_DEV_REGIST:
3918 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3919 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3920 		break;
3921 	case OPC_OUB_DEREG_DEV:
3922 		pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3923 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3924 		break;
3925 	case OPC_OUB_GET_DEV_HANDLE:
3926 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3927 		break;
3928 	case OPC_OUB_SATA_COMP:
3929 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3930 		mpi_sata_completion(pm8001_ha, circularQ, piomb);
3931 		break;
3932 	case OPC_OUB_SATA_EVENT:
3933 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3934 		mpi_sata_event(pm8001_ha, circularQ, piomb);
3935 		break;
3936 	case OPC_OUB_SSP_EVENT:
3937 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3938 		mpi_ssp_event(pm8001_ha, piomb);
3939 		break;
3940 	case OPC_OUB_DEV_HANDLE_ARRIV:
3941 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3942 		/*This is for target*/
3943 		break;
3944 	case OPC_OUB_SSP_RECV_EVENT:
3945 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3946 		/*This is for target*/
3947 		break;
3948 	case OPC_OUB_FW_FLASH_UPDATE:
3949 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3950 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3951 		break;
3952 	case OPC_OUB_GPIO_RESPONSE:
3953 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3954 		break;
3955 	case OPC_OUB_GPIO_EVENT:
3956 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3957 		break;
3958 	case OPC_OUB_GENERAL_EVENT:
3959 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3960 		pm8001_mpi_general_event(pm8001_ha, piomb);
3961 		break;
3962 	case OPC_OUB_SSP_ABORT_RSP:
3963 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3964 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3965 		break;
3966 	case OPC_OUB_SATA_ABORT_RSP:
3967 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3968 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3969 		break;
3970 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3971 		pm8001_dbg(pm8001_ha, MSG,
3972 			   "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3973 		break;
3974 	case OPC_OUB_SAS_DIAG_EXECUTE:
3975 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3976 		break;
3977 	case OPC_OUB_GET_TIME_STAMP:
3978 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3979 		break;
3980 	case OPC_OUB_SAS_HW_EVENT_ACK:
3981 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3982 		break;
3983 	case OPC_OUB_PORT_CONTROL:
3984 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
3985 		break;
3986 	case OPC_OUB_SMP_ABORT_RSP:
3987 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3988 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3989 		break;
3990 	case OPC_OUB_GET_NVMD_DATA:
3991 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3992 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3993 		break;
3994 	case OPC_OUB_SET_NVMD_DATA:
3995 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3996 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3997 		break;
3998 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3999 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
4000 		break;
4001 	case OPC_OUB_SET_DEVICE_STATE:
4002 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
4003 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4004 		break;
4005 	case OPC_OUB_GET_DEVICE_STATE:
4006 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
4007 		break;
4008 	case OPC_OUB_SET_DEV_INFO:
4009 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
4010 		break;
4011 	/* spcv specific commands */
4012 	case OPC_OUB_PHY_START_RESP:
4013 		pm8001_dbg(pm8001_ha, MSG,
4014 			   "OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
4015 		mpi_phy_start_resp(pm8001_ha, piomb);
4016 		break;
4017 	case OPC_OUB_PHY_STOP_RESP:
4018 		pm8001_dbg(pm8001_ha, MSG,
4019 			   "OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc);
4020 		mpi_phy_stop_resp(pm8001_ha, piomb);
4021 		break;
4022 	case OPC_OUB_SET_CONTROLLER_CONFIG:
4023 		pm8001_dbg(pm8001_ha, MSG,
4024 			   "OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc);
4025 		mpi_set_controller_config_resp(pm8001_ha, piomb);
4026 		break;
4027 	case OPC_OUB_GET_CONTROLLER_CONFIG:
4028 		pm8001_dbg(pm8001_ha, MSG,
4029 			   "OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc);
4030 		mpi_get_controller_config_resp(pm8001_ha, piomb);
4031 		break;
4032 	case OPC_OUB_GET_PHY_PROFILE:
4033 		pm8001_dbg(pm8001_ha, MSG,
4034 			   "OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc);
4035 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
4036 		break;
4037 	case OPC_OUB_FLASH_OP_EXT:
4038 		pm8001_dbg(pm8001_ha, MSG,
4039 			   "OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc);
4040 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
4041 		break;
4042 	case OPC_OUB_SET_PHY_PROFILE:
4043 		pm8001_dbg(pm8001_ha, MSG,
4044 			   "OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc);
4045 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
4046 		break;
4047 	case OPC_OUB_KEK_MANAGEMENT_RESP:
4048 		pm8001_dbg(pm8001_ha, MSG,
4049 			   "OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc);
4050 		mpi_kek_management_resp(pm8001_ha, piomb);
4051 		break;
4052 	case OPC_OUB_DEK_MANAGEMENT_RESP:
4053 		pm8001_dbg(pm8001_ha, MSG,
4054 			   "OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc);
4055 		mpi_dek_management_resp(pm8001_ha, piomb);
4056 		break;
4057 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
4058 		pm8001_dbg(pm8001_ha, MSG,
4059 			   "OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc);
4060 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
4061 		break;
4062 	default:
4063 		pm8001_dbg(pm8001_ha, DEVIO,
4064 			   "Unknown outbound Queue IOMB OPC = 0x%x\n", opc);
4065 		break;
4066 	}
4067 }
4068 
4069 static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
4070 {
4071 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_0: 0x%x\n",
4072 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
4073 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_1:0x%x\n",
4074 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1));
4075 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_2: 0x%x\n",
4076 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2));
4077 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_3: 0x%x\n",
4078 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
4079 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
4080 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0));
4081 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
4082 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1));
4083 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
4084 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2));
4085 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
4086 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3));
4087 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
4088 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4));
4089 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
4090 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5));
4091 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
4092 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_RSVD_0));
4093 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
4094 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_RSVD_1));
4095 }
4096 
4097 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4098 {
4099 	struct outbound_queue_table *circularQ;
4100 	void *pMsg1 = NULL;
4101 	u8 bc;
4102 	u32 ret = MPI_IO_STATUS_FAIL;
4103 	u32 regval;
4104 
4105 	/*
4106 	 * Fatal errors are programmed to be signalled in irq vector
4107 	 * pm8001_ha->max_q_num - 1 through pm8001_ha->main_cfg_tbl.pm80xx_tbl.
4108 	 * fatal_err_interrupt
4109 	 */
4110 	if (vec == (pm8001_ha->max_q_num - 1)) {
4111 		u32 mipsall_ready;
4112 
4113 		if (pm8001_ha->chip_id == chip_8008 ||
4114 		    pm8001_ha->chip_id == chip_8009)
4115 			mipsall_ready = SCRATCH_PAD_MIPSALL_READY_8PORT;
4116 		else
4117 			mipsall_ready = SCRATCH_PAD_MIPSALL_READY_16PORT;
4118 
4119 		regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
4120 		if ((regval & mipsall_ready) != mipsall_ready) {
4121 			pm8001_ha->controller_fatal_error = true;
4122 			pm8001_dbg(pm8001_ha, FAIL,
4123 				   "Firmware Fatal error! Regval:0x%x\n",
4124 				   regval);
4125 			pm8001_handle_event(pm8001_ha, NULL, IO_FATAL_ERROR);
4126 			print_scratchpad_registers(pm8001_ha);
4127 			return ret;
4128 		} else {
4129 			/*read scratchpad rsvd 0 register*/
4130 			regval = pm8001_cr32(pm8001_ha, 0,
4131 					     MSGU_SCRATCH_PAD_RSVD_0);
4132 			switch (regval) {
4133 			case NON_FATAL_SPBC_LBUS_ECC_ERR:
4134 			case NON_FATAL_BDMA_ERR:
4135 			case NON_FATAL_THERM_OVERTEMP_ERR:
4136 				/*Clear the register*/
4137 				pm8001_cw32(pm8001_ha, 0,
4138 					    MSGU_SCRATCH_PAD_RSVD_0,
4139 					    0x00000000);
4140 				break;
4141 			default:
4142 				break;
4143 			}
4144 		}
4145 	}
4146 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4147 	spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags);
4148 	do {
4149 		/* spurious interrupt during setup if kexec-ing and
4150 		 * driver doing a doorbell access w/ the pre-kexec oq
4151 		 * interrupt setup.
4152 		 */
4153 		if (!circularQ->pi_virt)
4154 			break;
4155 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4156 		if (MPI_IO_STATUS_SUCCESS == ret) {
4157 			/* process the outbound message */
4158 			process_one_iomb(pm8001_ha, circularQ,
4159 						(void *)(pMsg1 - 4));
4160 			/* free the message from the outbound circular buffer */
4161 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4162 							circularQ, bc);
4163 		}
4164 		if (MPI_IO_STATUS_BUSY == ret) {
4165 			/* Update the producer index from SPC */
4166 			circularQ->producer_index =
4167 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4168 			if (le32_to_cpu(circularQ->producer_index) ==
4169 				circularQ->consumer_idx)
4170 				/* OQ is empty */
4171 				break;
4172 		}
4173 	} while (1);
4174 	spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags);
4175 	return ret;
4176 }
4177 
4178 /* DMA_... to our direction translation. */
4179 static const u8 data_dir_flags[] = {
4180 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4181 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4182 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4183 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4184 };
4185 
4186 static void build_smp_cmd(u32 deviceID, __le32 hTag,
4187 			struct smp_req *psmp_cmd, int mode, int length)
4188 {
4189 	psmp_cmd->tag = hTag;
4190 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4191 	if (mode == SMP_DIRECT) {
4192 		length = length - 4; /* subtract crc */
4193 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
4194 	} else {
4195 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4196 	}
4197 }
4198 
4199 /**
4200  * pm80xx_chip_smp_req - send an SMP task to FW
4201  * @pm8001_ha: our hba card information.
4202  * @ccb: the ccb information this request used.
4203  */
4204 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4205 	struct pm8001_ccb_info *ccb)
4206 {
4207 	int elem, rc;
4208 	struct sas_task *task = ccb->task;
4209 	struct domain_device *dev = task->dev;
4210 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4211 	struct scatterlist *sg_req, *sg_resp, *smp_req;
4212 	u32 req_len, resp_len;
4213 	struct smp_req smp_cmd;
4214 	u32 opc;
4215 	u32 i, length;
4216 	u8 *payload;
4217 	u8 *to;
4218 
4219 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4220 	/*
4221 	 * DMA-map SMP request, response buffers
4222 	 */
4223 	sg_req = &task->smp_task.smp_req;
4224 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4225 	if (!elem)
4226 		return -ENOMEM;
4227 	req_len = sg_dma_len(sg_req);
4228 
4229 	sg_resp = &task->smp_task.smp_resp;
4230 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4231 	if (!elem) {
4232 		rc = -ENOMEM;
4233 		goto err_out;
4234 	}
4235 	resp_len = sg_dma_len(sg_resp);
4236 	/* must be in dwords */
4237 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4238 		rc = -EINVAL;
4239 		goto err_out_2;
4240 	}
4241 
4242 	opc = OPC_INB_SMP_REQUEST;
4243 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4244 
4245 	length = sg_req->length;
4246 	pm8001_dbg(pm8001_ha, IO, "SMP Frame Length %d\n", sg_req->length);
4247 	if (!(length - 8))
4248 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
4249 	else
4250 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
4251 
4252 
4253 	smp_req = &task->smp_task.smp_req;
4254 	to = kmap_atomic(sg_page(smp_req));
4255 	payload = to + smp_req->offset;
4256 
4257 	/* INDIRECT MODE command settings. Use DMA */
4258 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
4259 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST INDIRECT MODE\n");
4260 		/* for SPCv indirect mode. Place the top 4 bytes of
4261 		 * SMP Request header here. */
4262 		for (i = 0; i < 4; i++)
4263 			smp_cmd.smp_req16[i] = *(payload + i);
4264 		/* exclude top 4 bytes for SMP req header */
4265 		smp_cmd.long_smp_req.long_req_addr =
4266 			cpu_to_le64((u64)sg_dma_address
4267 				(&task->smp_task.smp_req) + 4);
4268 		/* exclude 4 bytes for SMP req header and CRC */
4269 		smp_cmd.long_smp_req.long_req_size =
4270 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
4271 		smp_cmd.long_smp_req.long_resp_addr =
4272 				cpu_to_le64((u64)sg_dma_address
4273 					(&task->smp_task.smp_resp));
4274 		smp_cmd.long_smp_req.long_resp_size =
4275 				cpu_to_le32((u32)sg_dma_len
4276 					(&task->smp_task.smp_resp)-4);
4277 	} else { /* DIRECT MODE */
4278 		smp_cmd.long_smp_req.long_req_addr =
4279 			cpu_to_le64((u64)sg_dma_address
4280 					(&task->smp_task.smp_req));
4281 		smp_cmd.long_smp_req.long_req_size =
4282 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4283 		smp_cmd.long_smp_req.long_resp_addr =
4284 			cpu_to_le64((u64)sg_dma_address
4285 				(&task->smp_task.smp_resp));
4286 		smp_cmd.long_smp_req.long_resp_size =
4287 			cpu_to_le32
4288 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4289 	}
4290 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
4291 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST DIRECT MODE\n");
4292 		for (i = 0; i < length; i++)
4293 			if (i < 16) {
4294 				smp_cmd.smp_req16[i] = *(payload + i);
4295 				pm8001_dbg(pm8001_ha, IO,
4296 					   "Byte[%d]:%x (DMA data:%x)\n",
4297 					   i, smp_cmd.smp_req16[i],
4298 					   *(payload));
4299 			} else {
4300 				smp_cmd.smp_req[i] = *(payload + i);
4301 				pm8001_dbg(pm8001_ha, IO,
4302 					   "Byte[%d]:%x (DMA data:%x)\n",
4303 					   i, smp_cmd.smp_req[i],
4304 					   *(payload));
4305 			}
4306 	}
4307 	kunmap_atomic(to);
4308 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
4309 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
4310 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &smp_cmd,
4311 				  sizeof(smp_cmd), 0);
4312 	if (rc)
4313 		goto err_out_2;
4314 	return 0;
4315 
4316 err_out_2:
4317 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4318 			DMA_FROM_DEVICE);
4319 err_out:
4320 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4321 			DMA_TO_DEVICE);
4322 	return rc;
4323 }
4324 
4325 static int check_enc_sas_cmd(struct sas_task *task)
4326 {
4327 	u8 cmd = task->ssp_task.cmd->cmnd[0];
4328 
4329 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4330 		return 1;
4331 	else
4332 		return 0;
4333 }
4334 
4335 static int check_enc_sat_cmd(struct sas_task *task)
4336 {
4337 	int ret = 0;
4338 	switch (task->ata_task.fis.command) {
4339 	case ATA_CMD_FPDMA_READ:
4340 	case ATA_CMD_READ_EXT:
4341 	case ATA_CMD_READ:
4342 	case ATA_CMD_FPDMA_WRITE:
4343 	case ATA_CMD_WRITE_EXT:
4344 	case ATA_CMD_WRITE:
4345 	case ATA_CMD_PIO_READ:
4346 	case ATA_CMD_PIO_READ_EXT:
4347 	case ATA_CMD_PIO_WRITE:
4348 	case ATA_CMD_PIO_WRITE_EXT:
4349 		ret = 1;
4350 		break;
4351 	default:
4352 		ret = 0;
4353 		break;
4354 	}
4355 	return ret;
4356 }
4357 
4358 static u32 pm80xx_chip_get_q_index(struct sas_task *task)
4359 {
4360 	struct scsi_cmnd *scmd = NULL;
4361 	u32 blk_tag;
4362 
4363 	if (task->uldd_task) {
4364 		struct ata_queued_cmd *qc;
4365 
4366 		if (dev_is_sata(task->dev)) {
4367 			qc = task->uldd_task;
4368 			scmd = qc->scsicmd;
4369 		} else {
4370 			scmd = task->uldd_task;
4371 		}
4372 	}
4373 
4374 	if (!scmd)
4375 		return 0;
4376 
4377 	blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd));
4378 	return blk_mq_unique_tag_to_hwq(blk_tag);
4379 }
4380 
4381 /**
4382  * pm80xx_chip_ssp_io_req - send an SSP task to FW
4383  * @pm8001_ha: our hba card information.
4384  * @ccb: the ccb information this request used.
4385  */
4386 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4387 	struct pm8001_ccb_info *ccb)
4388 {
4389 	struct sas_task *task = ccb->task;
4390 	struct domain_device *dev = task->dev;
4391 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4392 	struct ssp_ini_io_start_req ssp_cmd;
4393 	u32 tag = ccb->ccb_tag;
4394 	u64 phys_addr, end_addr;
4395 	u32 end_addr_high, end_addr_low;
4396 	u32 q_index;
4397 	u32 opc = OPC_INB_SSPINIIOSTART;
4398 
4399 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4400 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4401 
4402 	/* data address domain added for spcv; set to 0 by host,
4403 	 * used internally by controller
4404 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4405 	 */
4406 	ssp_cmd.dad_dir_m_tlr =
4407 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4408 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4409 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4410 	ssp_cmd.tag = cpu_to_le32(tag);
4411 	if (task->ssp_task.enable_first_burst)
4412 		ssp_cmd.ssp_iu.efb_prio_attr = 0x80;
4413 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4414 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4415 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4416 		       task->ssp_task.cmd->cmd_len);
4417 	q_index = pm80xx_chip_get_q_index(task);
4418 
4419 	/* Check if encryption is set */
4420 	if (pm8001_ha->chip->encrypt &&
4421 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4422 		pm8001_dbg(pm8001_ha, IO,
4423 			   "Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4424 			   task->ssp_task.cmd->cmnd[0]);
4425 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4426 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4427 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4428 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4429 
4430 		/* fill in PRD (scatter/gather) table, if any */
4431 		if (task->num_scatter > 1) {
4432 			pm8001_chip_make_sg(task->scatter,
4433 						ccb->n_elem, ccb->buf_prd);
4434 			phys_addr = ccb->ccb_dma_handle;
4435 			ssp_cmd.enc_addr_low =
4436 				cpu_to_le32(lower_32_bits(phys_addr));
4437 			ssp_cmd.enc_addr_high =
4438 				cpu_to_le32(upper_32_bits(phys_addr));
4439 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4440 		} else if (task->num_scatter == 1) {
4441 			u64 dma_addr = sg_dma_address(task->scatter);
4442 
4443 			ssp_cmd.enc_addr_low =
4444 				cpu_to_le32(lower_32_bits(dma_addr));
4445 			ssp_cmd.enc_addr_high =
4446 				cpu_to_le32(upper_32_bits(dma_addr));
4447 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4448 			ssp_cmd.enc_esgl = 0;
4449 
4450 			/* Check 4G Boundary */
4451 			end_addr = dma_addr + le32_to_cpu(ssp_cmd.enc_len) - 1;
4452 			end_addr_low = lower_32_bits(end_addr);
4453 			end_addr_high = upper_32_bits(end_addr);
4454 
4455 			if (end_addr_high != le32_to_cpu(ssp_cmd.enc_addr_high)) {
4456 				pm8001_dbg(pm8001_ha, FAIL,
4457 					   "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n",
4458 					   dma_addr,
4459 					   le32_to_cpu(ssp_cmd.enc_len),
4460 					   end_addr_high, end_addr_low);
4461 				pm8001_chip_make_sg(task->scatter, 1,
4462 					ccb->buf_prd);
4463 				phys_addr = ccb->ccb_dma_handle;
4464 				ssp_cmd.enc_addr_low =
4465 					cpu_to_le32(lower_32_bits(phys_addr));
4466 				ssp_cmd.enc_addr_high =
4467 					cpu_to_le32(upper_32_bits(phys_addr));
4468 				ssp_cmd.enc_esgl = cpu_to_le32(1U<<31);
4469 			}
4470 		} else if (task->num_scatter == 0) {
4471 			ssp_cmd.enc_addr_low = 0;
4472 			ssp_cmd.enc_addr_high = 0;
4473 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4474 			ssp_cmd.enc_esgl = 0;
4475 		}
4476 
4477 		/* XTS mode. All other fields are 0 */
4478 		ssp_cmd.key_cmode = cpu_to_le32(0x6 << 4);
4479 
4480 		/* set tweak values. Should be the start lba */
4481 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4482 						(task->ssp_task.cmd->cmnd[3] << 16) |
4483 						(task->ssp_task.cmd->cmnd[4] << 8) |
4484 						(task->ssp_task.cmd->cmnd[5]));
4485 	} else {
4486 		pm8001_dbg(pm8001_ha, IO,
4487 			   "Sending Normal SAS command 0x%x inb q %x\n",
4488 			   task->ssp_task.cmd->cmnd[0], q_index);
4489 		/* fill in PRD (scatter/gather) table, if any */
4490 		if (task->num_scatter > 1) {
4491 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4492 					ccb->buf_prd);
4493 			phys_addr = ccb->ccb_dma_handle;
4494 			ssp_cmd.addr_low =
4495 				cpu_to_le32(lower_32_bits(phys_addr));
4496 			ssp_cmd.addr_high =
4497 				cpu_to_le32(upper_32_bits(phys_addr));
4498 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4499 		} else if (task->num_scatter == 1) {
4500 			u64 dma_addr = sg_dma_address(task->scatter);
4501 
4502 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4503 			ssp_cmd.addr_high =
4504 				cpu_to_le32(upper_32_bits(dma_addr));
4505 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4506 			ssp_cmd.esgl = 0;
4507 
4508 			/* Check 4G Boundary */
4509 			end_addr = dma_addr + le32_to_cpu(ssp_cmd.len) - 1;
4510 			end_addr_low = lower_32_bits(end_addr);
4511 			end_addr_high = upper_32_bits(end_addr);
4512 			if (end_addr_high != le32_to_cpu(ssp_cmd.addr_high)) {
4513 				pm8001_dbg(pm8001_ha, FAIL,
4514 					   "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n",
4515 					   dma_addr,
4516 					   le32_to_cpu(ssp_cmd.len),
4517 					   end_addr_high, end_addr_low);
4518 				pm8001_chip_make_sg(task->scatter, 1,
4519 					ccb->buf_prd);
4520 				phys_addr = ccb->ccb_dma_handle;
4521 				ssp_cmd.addr_low =
4522 					cpu_to_le32(lower_32_bits(phys_addr));
4523 				ssp_cmd.addr_high =
4524 					cpu_to_le32(upper_32_bits(phys_addr));
4525 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4526 			}
4527 		} else if (task->num_scatter == 0) {
4528 			ssp_cmd.addr_low = 0;
4529 			ssp_cmd.addr_high = 0;
4530 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4531 			ssp_cmd.esgl = 0;
4532 		}
4533 	}
4534 
4535 	return pm8001_mpi_build_cmd(pm8001_ha, q_index, opc, &ssp_cmd,
4536 				    sizeof(ssp_cmd), q_index);
4537 }
4538 
4539 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4540 	struct pm8001_ccb_info *ccb)
4541 {
4542 	struct sas_task *task = ccb->task;
4543 	struct domain_device *dev = task->dev;
4544 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4545 	struct ata_queued_cmd *qc = task->uldd_task;
4546 	u32 tag = ccb->ccb_tag, q_index;
4547 	struct sata_start_req sata_cmd;
4548 	u32 hdr_tag, ncg_tag = 0;
4549 	u64 phys_addr, end_addr;
4550 	u32 end_addr_high, end_addr_low;
4551 	u32 ATAP = 0x0;
4552 	u32 dir;
4553 	unsigned long flags;
4554 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4555 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4556 
4557 	q_index = pm80xx_chip_get_q_index(task);
4558 
4559 	if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) {
4560 		ATAP = 0x04; /* no data*/
4561 		pm8001_dbg(pm8001_ha, IO, "no data\n");
4562 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4563 		if (task->ata_task.use_ncq &&
4564 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4565 			ATAP = 0x07; /* FPDMA */
4566 			pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4567 		} else if (task->ata_task.dma_xfer) {
4568 			ATAP = 0x06; /* DMA */
4569 			pm8001_dbg(pm8001_ha, IO, "DMA\n");
4570 		} else {
4571 			ATAP = 0x05; /* PIO*/
4572 			pm8001_dbg(pm8001_ha, IO, "PIO\n");
4573 		}
4574 	}
4575 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4576 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4577 		ncg_tag = hdr_tag;
4578 	}
4579 	dir = data_dir_flags[task->data_dir] << 8;
4580 	sata_cmd.tag = cpu_to_le32(tag);
4581 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4582 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4583 
4584 	sata_cmd.sata_fis = task->ata_task.fis;
4585 	if (likely(!task->ata_task.device_control_reg_update))
4586 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4587 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4588 
4589 	/* Check if encryption is set */
4590 	if (pm8001_ha->chip->encrypt &&
4591 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4592 		pm8001_dbg(pm8001_ha, IO,
4593 			   "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4594 			   sata_cmd.sata_fis.command);
4595 		opc = OPC_INB_SATA_DIF_ENC_IO;
4596 
4597 		/* set encryption bit */
4598 		sata_cmd.ncqtag_atap_dir_m_dad =
4599 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4600 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4601 							/* dad (bit 0-1) is 0 */
4602 		/* fill in PRD (scatter/gather) table, if any */
4603 		if (task->num_scatter > 1) {
4604 			pm8001_chip_make_sg(task->scatter,
4605 						ccb->n_elem, ccb->buf_prd);
4606 			phys_addr = ccb->ccb_dma_handle;
4607 			sata_cmd.enc_addr_low =
4608 				cpu_to_le32(lower_32_bits(phys_addr));
4609 			sata_cmd.enc_addr_high =
4610 				cpu_to_le32(upper_32_bits(phys_addr));
4611 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4612 		} else if (task->num_scatter == 1) {
4613 			u64 dma_addr = sg_dma_address(task->scatter);
4614 
4615 			sata_cmd.enc_addr_low =
4616 				cpu_to_le32(lower_32_bits(dma_addr));
4617 			sata_cmd.enc_addr_high =
4618 				cpu_to_le32(upper_32_bits(dma_addr));
4619 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4620 			sata_cmd.enc_esgl = 0;
4621 
4622 			/* Check 4G Boundary */
4623 			end_addr = dma_addr + le32_to_cpu(sata_cmd.enc_len) - 1;
4624 			end_addr_low = lower_32_bits(end_addr);
4625 			end_addr_high = upper_32_bits(end_addr);
4626 			if (end_addr_high != le32_to_cpu(sata_cmd.enc_addr_high)) {
4627 				pm8001_dbg(pm8001_ha, FAIL,
4628 					   "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n",
4629 					   dma_addr,
4630 					   le32_to_cpu(sata_cmd.enc_len),
4631 					   end_addr_high, end_addr_low);
4632 				pm8001_chip_make_sg(task->scatter, 1,
4633 					ccb->buf_prd);
4634 				phys_addr = ccb->ccb_dma_handle;
4635 				sata_cmd.enc_addr_low =
4636 					cpu_to_le32(lower_32_bits(phys_addr));
4637 				sata_cmd.enc_addr_high =
4638 					cpu_to_le32(upper_32_bits(phys_addr));
4639 				sata_cmd.enc_esgl =
4640 					cpu_to_le32(1 << 31);
4641 			}
4642 		} else if (task->num_scatter == 0) {
4643 			sata_cmd.enc_addr_low = 0;
4644 			sata_cmd.enc_addr_high = 0;
4645 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4646 			sata_cmd.enc_esgl = 0;
4647 		}
4648 		/* XTS mode. All other fields are 0 */
4649 		sata_cmd.key_index_mode = cpu_to_le32(0x6 << 4);
4650 
4651 		/* set tweak values. Should be the start lba */
4652 		sata_cmd.twk_val0 =
4653 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4654 					(sata_cmd.sata_fis.lbah << 16) |
4655 					(sata_cmd.sata_fis.lbam << 8) |
4656 					(sata_cmd.sata_fis.lbal));
4657 		sata_cmd.twk_val1 =
4658 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4659 					 (sata_cmd.sata_fis.lbam_exp));
4660 	} else {
4661 		pm8001_dbg(pm8001_ha, IO,
4662 			   "Sending Normal SATA command 0x%x inb %x\n",
4663 			   sata_cmd.sata_fis.command, q_index);
4664 		/* dad (bit 0-1) is 0 */
4665 		sata_cmd.ncqtag_atap_dir_m_dad =
4666 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4667 					((ATAP & 0x3f) << 10) | dir);
4668 
4669 		/* fill in PRD (scatter/gather) table, if any */
4670 		if (task->num_scatter > 1) {
4671 			pm8001_chip_make_sg(task->scatter,
4672 					ccb->n_elem, ccb->buf_prd);
4673 			phys_addr = ccb->ccb_dma_handle;
4674 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4675 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4676 			sata_cmd.esgl = cpu_to_le32(1U << 31);
4677 		} else if (task->num_scatter == 1) {
4678 			u64 dma_addr = sg_dma_address(task->scatter);
4679 
4680 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4681 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4682 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4683 			sata_cmd.esgl = 0;
4684 
4685 			/* Check 4G Boundary */
4686 			end_addr = dma_addr + le32_to_cpu(sata_cmd.len) - 1;
4687 			end_addr_low = lower_32_bits(end_addr);
4688 			end_addr_high = upper_32_bits(end_addr);
4689 			if (end_addr_high != sata_cmd.addr_high) {
4690 				pm8001_dbg(pm8001_ha, FAIL,
4691 					   "The sg list address start_addr=0x%016llx data_len=0x%xend_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n",
4692 					   dma_addr,
4693 					   le32_to_cpu(sata_cmd.len),
4694 					   end_addr_high, end_addr_low);
4695 				pm8001_chip_make_sg(task->scatter, 1,
4696 					ccb->buf_prd);
4697 				phys_addr = ccb->ccb_dma_handle;
4698 				sata_cmd.addr_low = lower_32_bits(phys_addr);
4699 				sata_cmd.addr_high = upper_32_bits(phys_addr);
4700 				sata_cmd.esgl = cpu_to_le32(1U << 31);
4701 			}
4702 		} else if (task->num_scatter == 0) {
4703 			sata_cmd.addr_low = 0;
4704 			sata_cmd.addr_high = 0;
4705 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4706 			sata_cmd.esgl = 0;
4707 		}
4708 
4709 		/* scsi cdb */
4710 		sata_cmd.atapi_scsi_cdb[0] =
4711 			cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4712 				     (task->ata_task.atapi_packet[1] << 8) |
4713 				     (task->ata_task.atapi_packet[2] << 16) |
4714 				     (task->ata_task.atapi_packet[3] << 24)));
4715 		sata_cmd.atapi_scsi_cdb[1] =
4716 			cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4717 				     (task->ata_task.atapi_packet[5] << 8) |
4718 				     (task->ata_task.atapi_packet[6] << 16) |
4719 				     (task->ata_task.atapi_packet[7] << 24)));
4720 		sata_cmd.atapi_scsi_cdb[2] =
4721 			cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4722 				     (task->ata_task.atapi_packet[9] << 8) |
4723 				     (task->ata_task.atapi_packet[10] << 16) |
4724 				     (task->ata_task.atapi_packet[11] << 24)));
4725 		sata_cmd.atapi_scsi_cdb[3] =
4726 			cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4727 				     (task->ata_task.atapi_packet[13] << 8) |
4728 				     (task->ata_task.atapi_packet[14] << 16) |
4729 				     (task->ata_task.atapi_packet[15] << 24)));
4730 	}
4731 
4732 	/* Check for read log for failed drive and return */
4733 	if (sata_cmd.sata_fis.command == 0x2f) {
4734 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4735 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4736 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4737 			struct task_status_struct *ts;
4738 
4739 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4740 			ts = &task->task_status;
4741 
4742 			spin_lock_irqsave(&task->task_state_lock, flags);
4743 			ts->resp = SAS_TASK_COMPLETE;
4744 			ts->stat = SAS_SAM_STAT_GOOD;
4745 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4746 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4747 			if (unlikely((task->task_state_flags &
4748 					SAS_TASK_STATE_ABORTED))) {
4749 				spin_unlock_irqrestore(&task->task_state_lock,
4750 							flags);
4751 				pm8001_dbg(pm8001_ha, FAIL,
4752 					   "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4753 					   task, ts->resp,
4754 					   ts->stat);
4755 				pm8001_ccb_task_free(pm8001_ha, ccb);
4756 				return 0;
4757 			} else {
4758 				spin_unlock_irqrestore(&task->task_state_lock,
4759 							flags);
4760 				pm8001_ccb_task_free_done(pm8001_ha, ccb);
4761 				atomic_dec(&pm8001_ha_dev->running_req);
4762 				return 0;
4763 			}
4764 		}
4765 	}
4766 	trace_pm80xx_request_issue(pm8001_ha->id,
4767 				ccb->device ? ccb->device->attached_phy : PM8001_MAX_PHYS,
4768 				ccb->ccb_tag, opc,
4769 				qc ? qc->tf.command : 0, // ata opcode
4770 				ccb->device ? atomic_read(&ccb->device->running_req) : 0);
4771 	return pm8001_mpi_build_cmd(pm8001_ha, q_index, opc, &sata_cmd,
4772 				    sizeof(sata_cmd), q_index);
4773 }
4774 
4775 /**
4776  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4777  * @pm8001_ha: our hba card information.
4778  * @phy_id: the phy id which we wanted to start up.
4779  */
4780 static int
4781 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4782 {
4783 	struct phy_start_req payload;
4784 	u32 tag = 0x01;
4785 	u32 opcode = OPC_INB_PHYSTART;
4786 
4787 	memset(&payload, 0, sizeof(payload));
4788 	payload.tag = cpu_to_le32(tag);
4789 
4790 	pm8001_dbg(pm8001_ha, INIT, "PHY START REQ for phy_id %d\n", phy_id);
4791 
4792 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4793 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
4794 	/* SSC Disable and SAS Analog ST configuration */
4795 	/*
4796 	payload.ase_sh_lm_slr_phyid =
4797 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4798 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4799 		phy_id);
4800 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4801 	*/
4802 
4803 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4804 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4805 	memcpy(payload.sas_identify.sas_addr,
4806 	  &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4807 	payload.sas_identify.phy_id = phy_id;
4808 
4809 	return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4810 				    sizeof(payload), 0);
4811 }
4812 
4813 /**
4814  * pm80xx_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4815  * @pm8001_ha: our hba card information.
4816  * @phy_id: the phy id which we wanted to start up.
4817  */
4818 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4819 	u8 phy_id)
4820 {
4821 	struct phy_stop_req payload;
4822 	u32 tag = 0x01;
4823 	u32 opcode = OPC_INB_PHYSTOP;
4824 
4825 	memset(&payload, 0, sizeof(payload));
4826 	payload.tag = cpu_to_le32(tag);
4827 	payload.phy_id = cpu_to_le32(phy_id);
4828 
4829 	return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4830 				    sizeof(payload), 0);
4831 }
4832 
4833 /*
4834  * see comments on pm8001_mpi_reg_resp.
4835  */
4836 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4837 	struct pm8001_device *pm8001_dev, u32 flag)
4838 {
4839 	struct reg_dev_req payload;
4840 	u32	opc;
4841 	u32 stp_sspsmp_sata = 0x4;
4842 	u32 linkrate, phy_id;
4843 	int rc;
4844 	struct pm8001_ccb_info *ccb;
4845 	u8 retryFlag = 0x1;
4846 	u16 firstBurstSize = 0;
4847 	u16 ITNT = 2000;
4848 	struct domain_device *dev = pm8001_dev->sas_device;
4849 	struct domain_device *parent_dev = dev->parent;
4850 	struct pm8001_port *port = dev->port->lldd_port;
4851 
4852 	memset(&payload, 0, sizeof(payload));
4853 	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4854 	if (!ccb)
4855 		return -SAS_QUEUE_FULL;
4856 
4857 	payload.tag = cpu_to_le32(ccb->ccb_tag);
4858 
4859 	if (flag == 1) {
4860 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4861 	} else {
4862 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4863 			stp_sspsmp_sata = 0x00; /* stp*/
4864 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4865 			dev_is_expander(pm8001_dev->dev_type))
4866 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4867 	}
4868 	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4869 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4870 	else
4871 		phy_id = pm8001_dev->attached_phy;
4872 
4873 	opc = OPC_INB_REG_DEV;
4874 
4875 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4876 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4877 
4878 	payload.phyid_portid =
4879 		cpu_to_le32(((port->port_id) & 0xFF) |
4880 		((phy_id & 0xFF) << 8));
4881 
4882 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4883 		((linkrate & 0x0F) << 24) |
4884 		((stp_sspsmp_sata & 0x03) << 28));
4885 	payload.firstburstsize_ITNexustimeout =
4886 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4887 
4888 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4889 		SAS_ADDR_SIZE);
4890 
4891 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4892 			sizeof(payload), 0);
4893 	if (rc)
4894 		pm8001_ccb_free(pm8001_ha, ccb);
4895 
4896 	return rc;
4897 }
4898 
4899 /**
4900  * pm80xx_chip_phy_ctl_req - support the local phy operation
4901  * @pm8001_ha: our hba card information.
4902  * @phyId: the phy id which we wanted to operate
4903  * @phy_op: phy operation to request
4904  */
4905 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4906 	u32 phyId, u32 phy_op)
4907 {
4908 	u32 tag;
4909 	int rc;
4910 	struct local_phy_ctl_req payload;
4911 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4912 
4913 	memset(&payload, 0, sizeof(payload));
4914 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4915 	if (rc)
4916 		return rc;
4917 
4918 	payload.tag = cpu_to_le32(tag);
4919 	payload.phyop_phyid =
4920 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4921 
4922 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4923 				  sizeof(payload), 0);
4924 	if (rc)
4925 		pm8001_tag_free(pm8001_ha, tag);
4926 
4927 	return rc;
4928 }
4929 
4930 static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4931 {
4932 #ifdef PM8001_USE_MSIX
4933 	return 1;
4934 #else
4935 	u32 value;
4936 
4937 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4938 	if (value)
4939 		return 1;
4940 	return 0;
4941 #endif
4942 }
4943 
4944 /**
4945  * pm80xx_chip_isr - PM8001 isr handler.
4946  * @pm8001_ha: our hba card information.
4947  * @vec: irq number.
4948  */
4949 static irqreturn_t
4950 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4951 {
4952 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4953 	pm8001_dbg(pm8001_ha, DEVIO,
4954 		   "irq vec %d, ODMR:0x%x\n",
4955 		   vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4956 	process_oq(pm8001_ha, vec);
4957 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4958 	return IRQ_HANDLED;
4959 }
4960 
4961 static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4962 				    u32 operation, u32 phyid,
4963 				    u32 length, u32 *buf)
4964 {
4965 	u32 tag, i, j = 0;
4966 	int rc;
4967 	struct set_phy_profile_req payload;
4968 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4969 
4970 	memset(&payload, 0, sizeof(payload));
4971 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4972 	if (rc) {
4973 		pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n");
4974 		return;
4975 	}
4976 
4977 	payload.tag = cpu_to_le32(tag);
4978 	payload.ppc_phyid =
4979 		cpu_to_le32(((operation & 0xF) << 8) | (phyid  & 0xFF));
4980 	pm8001_dbg(pm8001_ha, INIT,
4981 		   " phy profile command for phy %x ,length is %d\n",
4982 		   le32_to_cpu(payload.ppc_phyid), length);
4983 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4984 		payload.reserved[j] = cpu_to_le32(*((u32 *)buf + i));
4985 		j++;
4986 	}
4987 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4988 				  sizeof(payload), 0);
4989 	if (rc)
4990 		pm8001_tag_free(pm8001_ha, tag);
4991 }
4992 
4993 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4994 	u32 length, u8 *buf)
4995 {
4996 	u32 i;
4997 
4998 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4999 		mpi_set_phy_profile_req(pm8001_ha,
5000 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
5001 		length = length + PHY_DWORD_LENGTH;
5002 	}
5003 	pm8001_dbg(pm8001_ha, INIT, "phy settings completed\n");
5004 }
5005 
5006 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
5007 		u32 phy, u32 length, u32 *buf)
5008 {
5009 	u32 tag, opc;
5010 	int rc, i;
5011 	struct set_phy_profile_req payload;
5012 
5013 	memset(&payload, 0, sizeof(payload));
5014 
5015 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5016 	if (rc) {
5017 		pm8001_dbg(pm8001_ha, INIT, "Invalid tag\n");
5018 		return;
5019 	}
5020 
5021 	opc = OPC_INB_SET_PHY_PROFILE;
5022 
5023 	payload.tag = cpu_to_le32(tag);
5024 	payload.ppc_phyid =
5025 		cpu_to_le32(((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
5026 			    | (phy & 0xFF));
5027 
5028 	for (i = 0; i < length; i++)
5029 		payload.reserved[i] = cpu_to_le32(*(buf + i));
5030 
5031 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
5032 			sizeof(payload), 0);
5033 	if (rc)
5034 		pm8001_tag_free(pm8001_ha, tag);
5035 
5036 	pm8001_dbg(pm8001_ha, INIT, "PHY %d settings applied\n", phy);
5037 }
5038 const struct pm8001_dispatch pm8001_80xx_dispatch = {
5039 	.name			= "pmc80xx",
5040 	.chip_init		= pm80xx_chip_init,
5041 	.chip_post_init		= pm80xx_chip_post_init,
5042 	.chip_soft_rst		= pm80xx_chip_soft_rst,
5043 	.chip_rst		= pm80xx_hw_chip_rst,
5044 	.chip_iounmap		= pm8001_chip_iounmap,
5045 	.isr			= pm80xx_chip_isr,
5046 	.is_our_interrupt	= pm80xx_chip_is_our_interrupt,
5047 	.isr_process_oq		= process_oq,
5048 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
5049 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
5050 	.make_prd		= pm8001_chip_make_sg,
5051 	.smp_req		= pm80xx_chip_smp_req,
5052 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
5053 	.sata_req		= pm80xx_chip_sata_req,
5054 	.phy_start_req		= pm80xx_chip_phy_start_req,
5055 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
5056 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
5057 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5058 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
5059 	.task_abort		= pm8001_chip_abort_task,
5060 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5061 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5062 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5063 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5064 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5065 	.fatal_errors		= pm80xx_fatal_errors,
5066 	.hw_event_ack_req	= pm80xx_hw_event_ack_req,
5067 };
5068