xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision e2589589)
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 
46 #define SMP_DIRECT 1
47 #define SMP_INDIRECT 2
48 
49 
50 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shift_value)
51 {
52 	u32 reg_val;
53 	unsigned long start;
54 	pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, shift_value);
55 	/* confirm the setting is written */
56 	start = jiffies + HZ; /* 1 sec */
57 	do {
58 		reg_val = pm8001_cr32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER);
59 	} while ((reg_val != shift_value) && time_before(jiffies, start));
60 	if (reg_val != shift_value) {
61 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MEMBASE_II_SHIFT_REGISTER = 0x%x\n",
62 			   reg_val);
63 		return -1;
64 	}
65 	return 0;
66 }
67 
68 static void pm80xx_pci_mem_copy(struct pm8001_hba_info  *pm8001_ha, u32 soffset,
69 				const void *destination,
70 				u32 dw_count, u32 bus_base_number)
71 {
72 	u32 index, value, offset;
73 	u32 *destination1;
74 	destination1 = (u32 *)destination;
75 
76 	for (index = 0; index < dw_count; index += 4, destination1++) {
77 		offset = (soffset + index);
78 		if (offset < (64 * 1024)) {
79 			value = pm8001_cr32(pm8001_ha, bus_base_number, offset);
80 			*destination1 =  cpu_to_le32(value);
81 		}
82 	}
83 	return;
84 }
85 
86 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
87 	struct device_attribute *attr, char *buf)
88 {
89 	struct Scsi_Host *shost = class_to_shost(cdev);
90 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
91 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
92 	void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
93 	u32 accum_len , reg_val, index, *temp;
94 	u32 status = 1;
95 	unsigned long start;
96 	u8 *direct_data;
97 	char *fatal_error_data = buf;
98 	u32 length_to_read;
99 	u32 offset;
100 
101 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
102 	if (pm8001_ha->chip_id == chip_8001) {
103 		pm8001_ha->forensic_info.data_buf.direct_data +=
104 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
105 			"Not supported for SPC controller");
106 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
107 			(char *)buf;
108 	}
109 	/* initialize variables for very first call from host application */
110 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
111 		pm8001_dbg(pm8001_ha, IO,
112 			   "forensic_info TYPE_NON_FATAL..............\n");
113 		direct_data = (u8 *)fatal_error_data;
114 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
115 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
116 		pm8001_ha->forensic_info.data_buf.direct_offset = 0;
117 		pm8001_ha->forensic_info.data_buf.read_len = 0;
118 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
119 
120 		/* Write signature to fatal dump table */
121 		pm8001_mw32(fatal_table_address,
122 				MPI_FATAL_EDUMP_TABLE_SIGNATURE, 0x1234abcd);
123 
124 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
125 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: status1 %d\n", status);
126 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: read_len 0x%x\n",
127 			   pm8001_ha->forensic_info.data_buf.read_len);
128 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_len 0x%x\n",
129 			   pm8001_ha->forensic_info.data_buf.direct_len);
130 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_offset 0x%x\n",
131 			   pm8001_ha->forensic_info.data_buf.direct_offset);
132 	}
133 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
134 		/* start to get data */
135 		/* Program the MEMBASE II Shifting Register with 0x00.*/
136 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
137 				pm8001_ha->fatal_forensic_shift_offset);
138 		pm8001_ha->forensic_last_offset = 0;
139 		pm8001_ha->forensic_fatal_step = 0;
140 		pm8001_ha->fatal_bar_loc = 0;
141 	}
142 
143 	/* Read until accum_len is retrived */
144 	accum_len = pm8001_mr32(fatal_table_address,
145 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
146 	/* Determine length of data between previously stored transfer length
147 	 * and current accumulated transfer length
148 	 */
149 	length_to_read =
150 		accum_len - pm8001_ha->forensic_preserved_accumulated_transfer;
151 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: accum_len 0x%x\n",
152 		   accum_len);
153 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: length_to_read 0x%x\n",
154 		   length_to_read);
155 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: last_offset 0x%x\n",
156 		   pm8001_ha->forensic_last_offset);
157 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: read_len 0x%x\n",
158 		   pm8001_ha->forensic_info.data_buf.read_len);
159 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_len 0x%x\n",
160 		   pm8001_ha->forensic_info.data_buf.direct_len);
161 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_offset 0x%x\n",
162 		   pm8001_ha->forensic_info.data_buf.direct_offset);
163 
164 	/* If accumulated length failed to read correctly fail the attempt.*/
165 	if (accum_len == 0xFFFFFFFF) {
166 		pm8001_dbg(pm8001_ha, IO,
167 			   "Possible PCI issue 0x%x not expected\n",
168 			   accum_len);
169 		return status;
170 	}
171 	/* If accumulated length is zero fail the attempt */
172 	if (accum_len == 0) {
173 		pm8001_ha->forensic_info.data_buf.direct_data +=
174 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
175 			"%08x ", 0xFFFFFFFF);
176 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
177 			(char *)buf;
178 	}
179 	/* Accumulated length is good so start capturing the first data */
180 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
181 	if (pm8001_ha->forensic_fatal_step == 0) {
182 moreData:
183 		/* If data to read is less than SYSFS_OFFSET then reduce the
184 		 * length of dataLen
185 		 */
186 		if (pm8001_ha->forensic_last_offset + SYSFS_OFFSET
187 				> length_to_read) {
188 			pm8001_ha->forensic_info.data_buf.direct_len =
189 				length_to_read -
190 				pm8001_ha->forensic_last_offset;
191 		} else {
192 			pm8001_ha->forensic_info.data_buf.direct_len =
193 				SYSFS_OFFSET;
194 		}
195 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
196 			/* Data is in bar, copy to host memory */
197 			pm80xx_pci_mem_copy(pm8001_ha,
198 			pm8001_ha->fatal_bar_loc,
199 			pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
200 			pm8001_ha->forensic_info.data_buf.direct_len, 1);
201 		}
202 		pm8001_ha->fatal_bar_loc +=
203 			pm8001_ha->forensic_info.data_buf.direct_len;
204 		pm8001_ha->forensic_info.data_buf.direct_offset +=
205 			pm8001_ha->forensic_info.data_buf.direct_len;
206 		pm8001_ha->forensic_last_offset	+=
207 			pm8001_ha->forensic_info.data_buf.direct_len;
208 		pm8001_ha->forensic_info.data_buf.read_len =
209 			pm8001_ha->forensic_info.data_buf.direct_len;
210 
211 		if (pm8001_ha->forensic_last_offset  >= length_to_read) {
212 			pm8001_ha->forensic_info.data_buf.direct_data +=
213 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
214 				"%08x ", 3);
215 			for (index = 0; index <
216 				(pm8001_ha->forensic_info.data_buf.direct_len
217 				 / 4); index++) {
218 				pm8001_ha->forensic_info.data_buf.direct_data +=
219 				sprintf(
220 				pm8001_ha->forensic_info.data_buf.direct_data,
221 				"%08x ", *(temp + index));
222 			}
223 
224 			pm8001_ha->fatal_bar_loc = 0;
225 			pm8001_ha->forensic_fatal_step = 1;
226 			pm8001_ha->fatal_forensic_shift_offset = 0;
227 			pm8001_ha->forensic_last_offset	= 0;
228 			status = 0;
229 			offset = (int)
230 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
231 			- (char *)buf);
232 			pm8001_dbg(pm8001_ha, IO,
233 				   "get_fatal_spcv:return1 0x%x\n", offset);
234 			return (char *)pm8001_ha->
235 				forensic_info.data_buf.direct_data -
236 				(char *)buf;
237 		}
238 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
239 			pm8001_ha->forensic_info.data_buf.direct_data +=
240 				sprintf(pm8001_ha->
241 					forensic_info.data_buf.direct_data,
242 					"%08x ", 2);
243 			for (index = 0; index <
244 				(pm8001_ha->forensic_info.data_buf.direct_len
245 				 / 4); index++) {
246 				pm8001_ha->forensic_info.data_buf.direct_data
247 					+= sprintf(pm8001_ha->
248 					forensic_info.data_buf.direct_data,
249 					"%08x ", *(temp + index));
250 			}
251 			status = 0;
252 			offset = (int)
253 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
254 			- (char *)buf);
255 			pm8001_dbg(pm8001_ha, IO,
256 				   "get_fatal_spcv:return2 0x%x\n", offset);
257 			return (char *)pm8001_ha->
258 				forensic_info.data_buf.direct_data -
259 				(char *)buf;
260 		}
261 
262 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
263 		pm8001_ha->forensic_info.data_buf.direct_data +=
264 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
265 				"%08x ", 2);
266 		for (index = 0; index <
267 			(pm8001_ha->forensic_info.data_buf.direct_len
268 			 / 4) ; index++) {
269 			pm8001_ha->forensic_info.data_buf.direct_data +=
270 				sprintf(pm8001_ha->
271 				forensic_info.data_buf.direct_data,
272 				"%08x ", *(temp + index));
273 		}
274 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
275 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
276 			pm8001_ha->fatal_forensic_shift_offset);
277 		pm8001_ha->fatal_bar_loc = 0;
278 		status = 0;
279 		offset = (int)
280 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
281 			- (char *)buf);
282 		pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return3 0x%x\n",
283 			   offset);
284 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
285 			(char *)buf;
286 	}
287 	if (pm8001_ha->forensic_fatal_step == 1) {
288 		/* store previous accumulated length before triggering next
289 		 * accumulated length update
290 		 */
291 		pm8001_ha->forensic_preserved_accumulated_transfer =
292 			pm8001_mr32(fatal_table_address,
293 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
294 
295 		/* continue capturing the fatal log until Dump status is 0x3 */
296 		if (pm8001_mr32(fatal_table_address,
297 			MPI_FATAL_EDUMP_TABLE_STATUS) <
298 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
299 
300 			/* reset fddstat bit by writing to zero*/
301 			pm8001_mw32(fatal_table_address,
302 					MPI_FATAL_EDUMP_TABLE_STATUS, 0x0);
303 
304 			/* set dump control value to '1' so that new data will
305 			 * be transferred to shared memory
306 			 */
307 			pm8001_mw32(fatal_table_address,
308 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
309 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
310 
311 			/*Poll FDDHSHK  until clear */
312 			start = jiffies + (2 * HZ); /* 2 sec */
313 
314 			do {
315 				reg_val = pm8001_mr32(fatal_table_address,
316 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
317 			} while ((reg_val) && time_before(jiffies, start));
318 
319 			if (reg_val != 0) {
320 				pm8001_dbg(pm8001_ha, FAIL,
321 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_HDSHAKE 0x%x\n",
322 					   reg_val);
323 			       /* Fail the dump if a timeout occurs */
324 				pm8001_ha->forensic_info.data_buf.direct_data +=
325 				sprintf(
326 				pm8001_ha->forensic_info.data_buf.direct_data,
327 				"%08x ", 0xFFFFFFFF);
328 				return((char *)
329 				pm8001_ha->forensic_info.data_buf.direct_data
330 				- (char *)buf);
331 			}
332 			/* Poll status register until set to 2 or
333 			 * 3 for up to 2 seconds
334 			 */
335 			start = jiffies + (2 * HZ); /* 2 sec */
336 
337 			do {
338 				reg_val = pm8001_mr32(fatal_table_address,
339 					MPI_FATAL_EDUMP_TABLE_STATUS);
340 			} while (((reg_val != 2) && (reg_val != 3)) &&
341 					time_before(jiffies, start));
342 
343 			if (reg_val < 2) {
344 				pm8001_dbg(pm8001_ha, FAIL,
345 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_STATUS = 0x%x\n",
346 					   reg_val);
347 				/* Fail the dump if a timeout occurs */
348 				pm8001_ha->forensic_info.data_buf.direct_data +=
349 				sprintf(
350 				pm8001_ha->forensic_info.data_buf.direct_data,
351 				"%08x ", 0xFFFFFFFF);
352 				pm8001_cw32(pm8001_ha, 0,
353 					MEMBASE_II_SHIFT_REGISTER,
354 					pm8001_ha->fatal_forensic_shift_offset);
355 			}
356 			/* Read the next block of the debug data.*/
357 			length_to_read = pm8001_mr32(fatal_table_address,
358 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN) -
359 			pm8001_ha->forensic_preserved_accumulated_transfer;
360 			if (length_to_read != 0x0) {
361 				pm8001_ha->forensic_fatal_step = 0;
362 				goto moreData;
363 			} else {
364 				pm8001_ha->forensic_info.data_buf.direct_data +=
365 				sprintf(
366 				pm8001_ha->forensic_info.data_buf.direct_data,
367 				"%08x ", 4);
368 				pm8001_ha->forensic_info.data_buf.read_len
369 								= 0xFFFFFFFF;
370 				pm8001_ha->forensic_info.data_buf.direct_len
371 								=  0;
372 				pm8001_ha->forensic_info.data_buf.direct_offset
373 								= 0;
374 				pm8001_ha->forensic_info.data_buf.read_len = 0;
375 			}
376 		}
377 	}
378 	offset = (int)((char *)pm8001_ha->forensic_info.data_buf.direct_data
379 			- (char *)buf);
380 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return4 0x%x\n", offset);
381 	return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
382 		(char *)buf;
383 }
384 
385 /* pm80xx_get_non_fatal_dump - dump the nonfatal data from the dma
386  * location by the firmware.
387  */
388 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
389 	struct device_attribute *attr, char *buf)
390 {
391 	struct Scsi_Host *shost = class_to_shost(cdev);
392 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
393 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
394 	void __iomem *nonfatal_table_address = pm8001_ha->fatal_tbl_addr;
395 	u32 accum_len = 0;
396 	u32 total_len = 0;
397 	u32 reg_val = 0;
398 	u32 *temp = NULL;
399 	u32 index = 0;
400 	u32 output_length;
401 	unsigned long start = 0;
402 	char *buf_copy = buf;
403 
404 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
405 	if (++pm8001_ha->non_fatal_count == 1) {
406 		if (pm8001_ha->chip_id == chip_8001) {
407 			snprintf(pm8001_ha->forensic_info.data_buf.direct_data,
408 				PAGE_SIZE, "Not supported for SPC controller");
409 			return 0;
410 		}
411 		pm8001_dbg(pm8001_ha, IO, "forensic_info TYPE_NON_FATAL...\n");
412 		/*
413 		 * Step 1: Write the host buffer parameters in the MPI Fatal and
414 		 * Non-Fatal Error Dump Capture Table.This is the buffer
415 		 * where debug data will be DMAed to.
416 		 */
417 		pm8001_mw32(nonfatal_table_address,
418 		MPI_FATAL_EDUMP_TABLE_LO_OFFSET,
419 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_lo);
420 
421 		pm8001_mw32(nonfatal_table_address,
422 		MPI_FATAL_EDUMP_TABLE_HI_OFFSET,
423 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_hi);
424 
425 		pm8001_mw32(nonfatal_table_address,
426 		MPI_FATAL_EDUMP_TABLE_LENGTH, SYSFS_OFFSET);
427 
428 		/* Optionally, set the DUMPCTRL bit to 1 if the host
429 		 * keeps sending active I/Os while capturing the non-fatal
430 		 * debug data. Otherwise, leave this bit set to zero
431 		 */
432 		pm8001_mw32(nonfatal_table_address,
433 		MPI_FATAL_EDUMP_TABLE_HANDSHAKE, MPI_FATAL_EDUMP_HANDSHAKE_RDY);
434 
435 		/*
436 		 * Step 2: Clear Accumulative Length of Debug Data Transferred
437 		 * [ACCDDLEN] field in the MPI Fatal and Non-Fatal Error Dump
438 		 * Capture Table to zero.
439 		 */
440 		pm8001_mw32(nonfatal_table_address,
441 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN, 0);
442 
443 		/* initiallize previous accumulated length to 0 */
444 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
445 		pm8001_ha->non_fatal_read_length = 0;
446 	}
447 
448 	total_len = pm8001_mr32(nonfatal_table_address,
449 			MPI_FATAL_EDUMP_TABLE_TOTAL_LEN);
450 	/*
451 	 * Step 3:Clear Fatal/Non-Fatal Debug Data Transfer Status [FDDTSTAT]
452 	 * field and then request that the SPCv controller transfer the debug
453 	 * data by setting bit 7 of the Inbound Doorbell Set Register.
454 	 */
455 	pm8001_mw32(nonfatal_table_address, MPI_FATAL_EDUMP_TABLE_STATUS, 0);
456 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET,
457 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP);
458 
459 	/*
460 	 * Step 4.1: Read back the Inbound Doorbell Set Register (by polling for
461 	 * 2 seconds) until register bit 7 is cleared.
462 	 * This step only indicates the request is accepted by the controller.
463 	 */
464 	start = jiffies + (2 * HZ); /* 2 sec */
465 	do {
466 		reg_val = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET) &
467 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP;
468 	} while ((reg_val != 0) && time_before(jiffies, start));
469 
470 	/* Step 4.2: To check the completion of the transfer, poll the Fatal/Non
471 	 * Fatal Debug Data Transfer Status [FDDTSTAT] field for 2 seconds in
472 	 * the MPI Fatal and Non-Fatal Error Dump Capture Table.
473 	 */
474 	start = jiffies + (2 * HZ); /* 2 sec */
475 	do {
476 		reg_val = pm8001_mr32(nonfatal_table_address,
477 				MPI_FATAL_EDUMP_TABLE_STATUS);
478 	} while ((!reg_val) && time_before(jiffies, start));
479 
480 	if ((reg_val == 0x00) ||
481 		(reg_val == MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED) ||
482 		(reg_val > MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE)) {
483 		pm8001_ha->non_fatal_read_length = 0;
484 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 0xFFFFFFFF);
485 		pm8001_ha->non_fatal_count = 0;
486 		return (buf_copy - buf);
487 	} else if (reg_val ==
488 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA) {
489 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 2);
490 	} else if ((reg_val == MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) ||
491 		(pm8001_ha->non_fatal_read_length >= total_len)) {
492 		pm8001_ha->non_fatal_read_length = 0;
493 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 4);
494 		pm8001_ha->non_fatal_count = 0;
495 	}
496 	accum_len = pm8001_mr32(nonfatal_table_address,
497 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
498 	output_length = accum_len -
499 		pm8001_ha->forensic_preserved_accumulated_transfer;
500 
501 	for (index = 0; index < output_length/4; index++)
502 		buf_copy += snprintf(buf_copy, PAGE_SIZE,
503 				"%08x ", *(temp+index));
504 
505 	pm8001_ha->non_fatal_read_length += output_length;
506 
507 	/* store current accumulated length to use in next iteration as
508 	 * the previous accumulated length
509 	 */
510 	pm8001_ha->forensic_preserved_accumulated_transfer = accum_len;
511 	return (buf_copy - buf);
512 }
513 
514 /**
515  * read_main_config_table - read the configure table and save it.
516  * @pm8001_ha: our hba card information
517  */
518 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
519 {
520 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
521 
522 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
523 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
524 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
525 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
526 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
527 		pm8001_mr32(address, MAIN_FW_REVISION);
528 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
529 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
530 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
531 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
532 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
533 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
534 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
535 		pm8001_mr32(address, MAIN_GST_OFFSET);
536 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
537 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
538 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
539 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
540 
541 	/* read Error Dump Offset and Length */
542 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
543 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
544 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
545 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
546 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
547 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
548 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
549 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
550 
551 	/* read GPIO LED settings from the configuration table */
552 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
553 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
554 
555 	/* read analog Setting offset from the configuration table */
556 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
557 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
558 
559 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
560 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
561 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
562 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
563 	/* read port recover and reset timeout */
564 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
565 		pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
566 	/* read ILA and inactive firmware version */
567 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
568 		pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
569 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
570 		pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
571 
572 	pm8001_dbg(pm8001_ha, DEV,
573 		   "Main cfg table: sign:%x interface rev:%x fw_rev:%x\n",
574 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature,
575 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev,
576 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev);
577 
578 	pm8001_dbg(pm8001_ha, DEV,
579 		   "table offset: gst:%x iq:%x oq:%x int vec:%x phy attr:%x\n",
580 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset,
581 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset,
582 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset,
583 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset,
584 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset);
585 
586 	pm8001_dbg(pm8001_ha, DEV,
587 		   "Main cfg table; ila rev:%x Inactive fw rev:%x\n",
588 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version,
589 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version);
590 }
591 
592 /**
593  * read_general_status_table - read the general status table and save it.
594  * @pm8001_ha: our hba card information
595  */
596 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
597 {
598 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
599 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
600 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
601 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
602 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
603 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
604 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
605 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
606 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
607 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
608 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
609 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
610 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
611 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
612 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
613 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
614 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
615 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
616 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
617 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
618 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
619 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
620 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
621 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
622 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
623 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
624 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
625 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
626 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
627 }
628 /**
629  * read_phy_attr_table - read the phy attribute table and save it.
630  * @pm8001_ha: our hba card information
631  */
632 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
633 {
634 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
635 	pm8001_ha->phy_attr_table.phystart1_16[0] =
636 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
637 	pm8001_ha->phy_attr_table.phystart1_16[1] =
638 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
639 	pm8001_ha->phy_attr_table.phystart1_16[2] =
640 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
641 	pm8001_ha->phy_attr_table.phystart1_16[3] =
642 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
643 	pm8001_ha->phy_attr_table.phystart1_16[4] =
644 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
645 	pm8001_ha->phy_attr_table.phystart1_16[5] =
646 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
647 	pm8001_ha->phy_attr_table.phystart1_16[6] =
648 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
649 	pm8001_ha->phy_attr_table.phystart1_16[7] =
650 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
651 	pm8001_ha->phy_attr_table.phystart1_16[8] =
652 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
653 	pm8001_ha->phy_attr_table.phystart1_16[9] =
654 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
655 	pm8001_ha->phy_attr_table.phystart1_16[10] =
656 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
657 	pm8001_ha->phy_attr_table.phystart1_16[11] =
658 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
659 	pm8001_ha->phy_attr_table.phystart1_16[12] =
660 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
661 	pm8001_ha->phy_attr_table.phystart1_16[13] =
662 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
663 	pm8001_ha->phy_attr_table.phystart1_16[14] =
664 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
665 	pm8001_ha->phy_attr_table.phystart1_16[15] =
666 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
667 
668 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
669 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
670 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
671 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
672 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
673 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
674 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
675 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
676 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
677 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
678 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
679 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
680 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
681 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
682 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
683 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
684 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
685 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
686 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
687 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
688 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
689 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
690 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
691 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
692 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
693 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
694 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
695 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
696 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
697 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
698 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
699 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
700 
701 }
702 
703 /**
704  * read_inbnd_queue_table - read the inbound queue table and save it.
705  * @pm8001_ha: our hba card information
706  */
707 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
708 {
709 	int i;
710 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
711 	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
712 		u32 offset = i * 0x20;
713 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
714 			get_pci_bar_index(pm8001_mr32(address,
715 				(offset + IB_PIPCI_BAR)));
716 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
717 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
718 	}
719 }
720 
721 /**
722  * read_outbnd_queue_table - read the outbound queue table and save it.
723  * @pm8001_ha: our hba card information
724  */
725 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
726 {
727 	int i;
728 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
729 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
730 		u32 offset = i * 0x24;
731 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
732 			get_pci_bar_index(pm8001_mr32(address,
733 				(offset + OB_CIPCI_BAR)));
734 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
735 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
736 	}
737 }
738 
739 /**
740  * init_default_table_values - init the default table.
741  * @pm8001_ha: our hba card information
742  */
743 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
744 {
745 	int i;
746 	u32 offsetib, offsetob;
747 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
748 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
749 	u32 ib_offset = pm8001_ha->ib_offset;
750 	u32 ob_offset = pm8001_ha->ob_offset;
751 	u32 ci_offset = pm8001_ha->ci_offset;
752 	u32 pi_offset = pm8001_ha->pi_offset;
753 
754 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
755 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
756 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
757 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
758 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
759 							PM8001_EVENT_LOG_SIZE;
760 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
761 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
762 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
763 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
764 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
765 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
766 							PM8001_EVENT_LOG_SIZE;
767 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
768 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
769 
770 	/* Disable end to end CRC checking */
771 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
772 
773 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
774 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
775 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
776 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
777 			pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
778 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
779 		pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
780 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
781 		  (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
782 		pm8001_ha->inbnd_q_tbl[i].total_length		=
783 			pm8001_ha->memoryMap.region[ib_offset + i].total_len;
784 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
785 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
786 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
787 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
788 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
789 			pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
790 		offsetib = i * 0x20;
791 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
792 			get_pci_bar_index(pm8001_mr32(addressib,
793 				(offsetib + 0x14)));
794 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
795 			pm8001_mr32(addressib, (offsetib + 0x18));
796 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
797 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
798 
799 		pm8001_dbg(pm8001_ha, DEV,
800 			   "IQ %d pi_bar 0x%x pi_offset 0x%x\n", i,
801 			   pm8001_ha->inbnd_q_tbl[i].pi_pci_bar,
802 			   pm8001_ha->inbnd_q_tbl[i].pi_offset);
803 	}
804 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
805 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
806 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
807 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
808 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
809 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
810 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
811 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
812 		  (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
813 		pm8001_ha->outbnd_q_tbl[i].total_length		=
814 			pm8001_ha->memoryMap.region[ob_offset + i].total_len;
815 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
816 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
817 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
818 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
819 		/* interrupt vector based on oq */
820 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
821 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
822 			pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
823 		offsetob = i * 0x24;
824 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
825 			get_pci_bar_index(pm8001_mr32(addressob,
826 			offsetob + 0x14));
827 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
828 			pm8001_mr32(addressob, (offsetob + 0x18));
829 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
830 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
831 
832 		pm8001_dbg(pm8001_ha, DEV,
833 			   "OQ %d ci_bar 0x%x ci_offset 0x%x\n", i,
834 			   pm8001_ha->outbnd_q_tbl[i].ci_pci_bar,
835 			   pm8001_ha->outbnd_q_tbl[i].ci_offset);
836 	}
837 }
838 
839 /**
840  * update_main_config_table - update the main default table to the HBA.
841  * @pm8001_ha: our hba card information
842  */
843 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
844 {
845 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
846 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
847 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
848 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
849 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
850 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
851 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
852 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
853 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
854 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
855 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
856 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
857 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
858 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
859 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
860 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
861 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
862 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
863 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
864 	/* Update Fatal error interrupt vector */
865 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
866 					((pm8001_ha->max_q_num - 1) << 8);
867 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
868 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
869 	pm8001_dbg(pm8001_ha, DEV,
870 		   "Updated Fatal error interrupt vector 0x%x\n",
871 		   pm8001_mr32(address, MAIN_FATAL_ERROR_INTERRUPT));
872 
873 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
874 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
875 
876 	/* SPCv specific */
877 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
878 	/* Set GPIOLED to 0x2 for LED indicator */
879 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
880 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
881 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
882 	pm8001_dbg(pm8001_ha, DEV,
883 		   "Programming DW 0x21 in main cfg table with 0x%x\n",
884 		   pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET));
885 
886 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
887 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
888 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
889 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
890 
891 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
892 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
893 							PORT_RECOVERY_TIMEOUT;
894 	if (pm8001_ha->chip_id == chip_8006) {
895 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
896 					0x0000ffff;
897 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
898 					CHIP_8006_PORT_RECOVERY_TIMEOUT;
899 	}
900 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
901 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
902 }
903 
904 /**
905  * update_inbnd_queue_table - update the inbound queue table to the HBA.
906  * @pm8001_ha: our hba card information
907  * @number: entry in the queue
908  */
909 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
910 					 int number)
911 {
912 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
913 	u16 offset = number * 0x20;
914 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
915 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
916 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
917 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
918 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
919 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
920 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
921 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
922 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
923 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
924 
925 	pm8001_dbg(pm8001_ha, DEV,
926 		   "IQ %d: Element pri size 0x%x\n",
927 		   number,
928 		   pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
929 
930 	pm8001_dbg(pm8001_ha, DEV,
931 		   "IQ upr base addr 0x%x IQ lwr base addr 0x%x\n",
932 		   pm8001_ha->inbnd_q_tbl[number].upper_base_addr,
933 		   pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
934 
935 	pm8001_dbg(pm8001_ha, DEV,
936 		   "CI upper base addr 0x%x CI lower base addr 0x%x\n",
937 		   pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr,
938 		   pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
939 }
940 
941 /**
942  * update_outbnd_queue_table - update the outbound queue table to the HBA.
943  * @pm8001_ha: our hba card information
944  * @number: entry in the queue
945  */
946 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
947 						 int number)
948 {
949 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
950 	u16 offset = number * 0x24;
951 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
952 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
953 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
954 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
955 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
956 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
957 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
958 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
959 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
960 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
961 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
962 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
963 
964 	pm8001_dbg(pm8001_ha, DEV,
965 		   "OQ %d: Element pri size 0x%x\n",
966 		   number,
967 		   pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
968 
969 	pm8001_dbg(pm8001_ha, DEV,
970 		   "OQ upr base addr 0x%x OQ lwr base addr 0x%x\n",
971 		   pm8001_ha->outbnd_q_tbl[number].upper_base_addr,
972 		   pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
973 
974 	pm8001_dbg(pm8001_ha, DEV,
975 		   "PI upper base addr 0x%x PI lower base addr 0x%x\n",
976 		   pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr,
977 		   pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
978 }
979 
980 /**
981  * mpi_init_check - check firmware initialization status.
982  * @pm8001_ha: our hba card information
983  */
984 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
985 {
986 	u32 max_wait_count;
987 	u32 value;
988 	u32 gst_len_mpistate;
989 
990 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
991 	table is updated */
992 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
993 	/* wait until Inbound DoorBell Clear Register toggled */
994 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
995 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
996 	} else {
997 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
998 	}
999 	do {
1000 		udelay(1);
1001 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1002 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
1003 	} while ((value != 0) && (--max_wait_count));
1004 
1005 	if (!max_wait_count) {
1006 		/* additional check */
1007 		pm8001_dbg(pm8001_ha, FAIL,
1008 			   "Inb doorbell clear not toggled[value:%x]\n",
1009 			   value);
1010 		return -EBUSY;
1011 	}
1012 	/* check the MPI-State for initialization upto 100ms*/
1013 	max_wait_count = 100 * 1000;/* 100 msec */
1014 	do {
1015 		udelay(1);
1016 		gst_len_mpistate =
1017 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1018 					GST_GSTLEN_MPIS_OFFSET);
1019 	} while ((GST_MPI_STATE_INIT !=
1020 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
1021 	if (!max_wait_count)
1022 		return -EBUSY;
1023 
1024 	/* check MPI Initialization error */
1025 	gst_len_mpistate = gst_len_mpistate >> 16;
1026 	if (0x0000 != gst_len_mpistate)
1027 		return -EBUSY;
1028 
1029 	return 0;
1030 }
1031 
1032 /**
1033  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
1034  * This function sleeps hence it must not be used in atomic context.
1035  * @pm8001_ha: our hba card information
1036  */
1037 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
1038 {
1039 	u32 value;
1040 	u32 max_wait_count;
1041 	u32 max_wait_time;
1042 	int ret = 0;
1043 
1044 	/* reset / PCIe ready */
1045 	max_wait_time = max_wait_count = 5;	/* 100 milli sec */
1046 	do {
1047 		msleep(FW_READY_INTERVAL);
1048 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1049 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
1050 
1051 	/* check ila status */
1052 	max_wait_time = max_wait_count = 50;	/* 1000 milli sec */
1053 	do {
1054 		msleep(FW_READY_INTERVAL);
1055 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1056 	} while (((value & SCRATCH_PAD_ILA_READY) !=
1057 			SCRATCH_PAD_ILA_READY) && (--max_wait_count));
1058 	if (!max_wait_count)
1059 		ret = -1;
1060 	else {
1061 		pm8001_dbg(pm8001_ha, MSG,
1062 			   " ila ready status in %d millisec\n",
1063 			   (max_wait_time - max_wait_count));
1064 	}
1065 
1066 	/* check RAAE status */
1067 	max_wait_time = max_wait_count = 90;	/* 1800 milli sec */
1068 	do {
1069 		msleep(FW_READY_INTERVAL);
1070 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1071 	} while (((value & SCRATCH_PAD_RAAE_READY) !=
1072 				SCRATCH_PAD_RAAE_READY) && (--max_wait_count));
1073 	if (!max_wait_count)
1074 		ret = -1;
1075 	else {
1076 		pm8001_dbg(pm8001_ha, MSG,
1077 			   " raae ready status in %d millisec\n",
1078 			   (max_wait_time - max_wait_count));
1079 	}
1080 
1081 	/* check iop0 status */
1082 	max_wait_time = max_wait_count = 30;	/* 600 milli sec */
1083 	do {
1084 		msleep(FW_READY_INTERVAL);
1085 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1086 	} while (((value & SCRATCH_PAD_IOP0_READY) != SCRATCH_PAD_IOP0_READY) &&
1087 			(--max_wait_count));
1088 	if (!max_wait_count)
1089 		ret = -1;
1090 	else {
1091 		pm8001_dbg(pm8001_ha, MSG,
1092 			   " iop0 ready status in %d millisec\n",
1093 			   (max_wait_time - max_wait_count));
1094 	}
1095 
1096 	/* check iop1 status only for 16 port controllers */
1097 	if ((pm8001_ha->chip_id != chip_8008) &&
1098 			(pm8001_ha->chip_id != chip_8009)) {
1099 		/* 200 milli sec */
1100 		max_wait_time = max_wait_count = 10;
1101 		do {
1102 			msleep(FW_READY_INTERVAL);
1103 			value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1104 		} while (((value & SCRATCH_PAD_IOP1_READY) !=
1105 				SCRATCH_PAD_IOP1_READY) && (--max_wait_count));
1106 		if (!max_wait_count)
1107 			ret = -1;
1108 		else {
1109 			pm8001_dbg(pm8001_ha, MSG,
1110 				   "iop1 ready status in %d millisec\n",
1111 				   (max_wait_time - max_wait_count));
1112 		}
1113 	}
1114 
1115 	return ret;
1116 }
1117 
1118 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
1119 {
1120 	void __iomem *base_addr;
1121 	u32	value;
1122 	u32	offset;
1123 	u32	pcibar;
1124 	u32	pcilogic;
1125 
1126 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1127 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
1128 
1129 	pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
1130 		   offset, value);
1131 	pcilogic = (value & 0xFC000000) >> 26;
1132 	pcibar = get_pci_bar_index(pcilogic);
1133 	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
1134 	pm8001_ha->main_cfg_tbl_addr = base_addr =
1135 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
1136 	pm8001_ha->general_stat_tbl_addr =
1137 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
1138 					0xFFFFFF);
1139 	pm8001_ha->inbnd_q_tbl_addr =
1140 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
1141 					0xFFFFFF);
1142 	pm8001_ha->outbnd_q_tbl_addr =
1143 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
1144 					0xFFFFFF);
1145 	pm8001_ha->ivt_tbl_addr =
1146 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
1147 					0xFFFFFF);
1148 	pm8001_ha->pspa_q_tbl_addr =
1149 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
1150 					0xFFFFFF);
1151 	pm8001_ha->fatal_tbl_addr =
1152 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
1153 					0xFFFFFF);
1154 
1155 	pm8001_dbg(pm8001_ha, INIT, "GST OFFSET 0x%x\n",
1156 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x18));
1157 	pm8001_dbg(pm8001_ha, INIT, "INBND OFFSET 0x%x\n",
1158 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C));
1159 	pm8001_dbg(pm8001_ha, INIT, "OBND OFFSET 0x%x\n",
1160 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x20));
1161 	pm8001_dbg(pm8001_ha, INIT, "IVT OFFSET 0x%x\n",
1162 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C));
1163 	pm8001_dbg(pm8001_ha, INIT, "PSPA OFFSET 0x%x\n",
1164 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x90));
1165 	pm8001_dbg(pm8001_ha, INIT, "addr - main cfg %p general status %p\n",
1166 		   pm8001_ha->main_cfg_tbl_addr,
1167 		   pm8001_ha->general_stat_tbl_addr);
1168 	pm8001_dbg(pm8001_ha, INIT, "addr - inbnd %p obnd %p\n",
1169 		   pm8001_ha->inbnd_q_tbl_addr,
1170 		   pm8001_ha->outbnd_q_tbl_addr);
1171 	pm8001_dbg(pm8001_ha, INIT, "addr - pspa %p ivt %p\n",
1172 		   pm8001_ha->pspa_q_tbl_addr,
1173 		   pm8001_ha->ivt_tbl_addr);
1174 }
1175 
1176 /**
1177  * pm80xx_set_thermal_config - support the thermal configuration
1178  * @pm8001_ha: our hba card information.
1179  */
1180 int
1181 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
1182 {
1183 	struct set_ctrl_cfg_req payload;
1184 	struct inbound_queue_table *circularQ;
1185 	int rc;
1186 	u32 tag;
1187 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1188 	u32 page_code;
1189 
1190 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1191 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1192 	if (rc)
1193 		return -1;
1194 
1195 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1196 	payload.tag = cpu_to_le32(tag);
1197 
1198 	if (IS_SPCV_12G(pm8001_ha->pdev))
1199 		page_code = THERMAL_PAGE_CODE_7H;
1200 	else
1201 		page_code = THERMAL_PAGE_CODE_8H;
1202 
1203 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
1204 				(THERMAL_ENABLE << 8) | page_code;
1205 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
1206 
1207 	pm8001_dbg(pm8001_ha, DEV,
1208 		   "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n",
1209 		   payload.cfg_pg[0], payload.cfg_pg[1]);
1210 
1211 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1212 			sizeof(payload), 0);
1213 	if (rc)
1214 		pm8001_tag_free(pm8001_ha, tag);
1215 	return rc;
1216 
1217 }
1218 
1219 /**
1220 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
1221 * Timer configuration page
1222 * @pm8001_ha: our hba card information.
1223 */
1224 static int
1225 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
1226 {
1227 	struct set_ctrl_cfg_req payload;
1228 	struct inbound_queue_table *circularQ;
1229 	SASProtocolTimerConfig_t SASConfigPage;
1230 	int rc;
1231 	u32 tag;
1232 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1233 
1234 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1235 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
1236 
1237 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1238 
1239 	if (rc)
1240 		return -1;
1241 
1242 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1243 	payload.tag = cpu_to_le32(tag);
1244 
1245 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
1246 	SASConfigPage.MST_MSI         =  3 << 15;
1247 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
1248 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
1249 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
1250 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
1251 
1252 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
1253 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
1254 
1255 
1256 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
1257 						SAS_OPNRJT_RTRY_INTVL;
1258 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
1259 						| SAS_COPNRJT_RTRY_TMO;
1260 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
1261 						| SAS_COPNRJT_RTRY_THR;
1262 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
1263 
1264 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.pageCode 0x%08x\n",
1265 		   SASConfigPage.pageCode);
1266 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MST_MSI  0x%08x\n",
1267 		   SASConfigPage.MST_MSI);
1268 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_SSP_MCT_TMO  0x%08x\n",
1269 		   SASConfigPage.STP_SSP_MCT_TMO);
1270 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_FRM_TMO  0x%08x\n",
1271 		   SASConfigPage.STP_FRM_TMO);
1272 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_IDLE_TMO  0x%08x\n",
1273 		   SASConfigPage.STP_IDLE_TMO);
1274 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.OPNRJT_RTRY_INTVL  0x%08x\n",
1275 		   SASConfigPage.OPNRJT_RTRY_INTVL);
1276 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO  0x%08x\n",
1277 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO);
1278 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR  0x%08x\n",
1279 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR);
1280 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MAX_AIP  0x%08x\n",
1281 		   SASConfigPage.MAX_AIP);
1282 
1283 	memcpy(&payload.cfg_pg, &SASConfigPage,
1284 			 sizeof(SASProtocolTimerConfig_t));
1285 
1286 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1287 			sizeof(payload), 0);
1288 	if (rc)
1289 		pm8001_tag_free(pm8001_ha, tag);
1290 
1291 	return rc;
1292 }
1293 
1294 /**
1295  * pm80xx_get_encrypt_info - Check for encryption
1296  * @pm8001_ha: our hba card information.
1297  */
1298 static int
1299 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
1300 {
1301 	u32 scratch3_value;
1302 	int ret = -1;
1303 
1304 	/* Read encryption status from SCRATCH PAD 3 */
1305 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1306 
1307 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1308 					SCRATCH_PAD3_ENC_READY) {
1309 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1310 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1311 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1312 						SCRATCH_PAD3_SMF_ENABLED)
1313 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1314 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1315 						SCRATCH_PAD3_SMA_ENABLED)
1316 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1317 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1318 						SCRATCH_PAD3_SMB_ENABLED)
1319 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1320 		pm8001_ha->encrypt_info.status = 0;
1321 		pm8001_dbg(pm8001_ha, INIT,
1322 			   "Encryption: SCRATCH_PAD3_ENC_READY 0x%08X.Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1323 			   scratch3_value,
1324 			   pm8001_ha->encrypt_info.cipher_mode,
1325 			   pm8001_ha->encrypt_info.sec_mode,
1326 			   pm8001_ha->encrypt_info.status);
1327 		ret = 0;
1328 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1329 					SCRATCH_PAD3_ENC_DISABLED) {
1330 		pm8001_dbg(pm8001_ha, INIT,
1331 			   "Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1332 			   scratch3_value);
1333 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1334 		pm8001_ha->encrypt_info.cipher_mode = 0;
1335 		pm8001_ha->encrypt_info.sec_mode = 0;
1336 		ret = 0;
1337 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1338 				SCRATCH_PAD3_ENC_DIS_ERR) {
1339 		pm8001_ha->encrypt_info.status =
1340 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1341 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1342 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1343 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1344 					SCRATCH_PAD3_SMF_ENABLED)
1345 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1346 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1347 					SCRATCH_PAD3_SMA_ENABLED)
1348 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1349 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1350 					SCRATCH_PAD3_SMB_ENABLED)
1351 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1352 		pm8001_dbg(pm8001_ha, INIT,
1353 			   "Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1354 			   scratch3_value,
1355 			   pm8001_ha->encrypt_info.cipher_mode,
1356 			   pm8001_ha->encrypt_info.sec_mode,
1357 			   pm8001_ha->encrypt_info.status);
1358 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1359 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1360 
1361 		pm8001_ha->encrypt_info.status =
1362 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1363 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1364 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1365 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1366 					SCRATCH_PAD3_SMF_ENABLED)
1367 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1368 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1369 					SCRATCH_PAD3_SMA_ENABLED)
1370 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1371 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1372 					SCRATCH_PAD3_SMB_ENABLED)
1373 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1374 
1375 		pm8001_dbg(pm8001_ha, INIT,
1376 			   "Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1377 			   scratch3_value,
1378 			   pm8001_ha->encrypt_info.cipher_mode,
1379 			   pm8001_ha->encrypt_info.sec_mode,
1380 			   pm8001_ha->encrypt_info.status);
1381 	}
1382 	return ret;
1383 }
1384 
1385 /**
1386  * pm80xx_encrypt_update - update flash with encryption informtion
1387  * @pm8001_ha: our hba card information.
1388  */
1389 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1390 {
1391 	struct kek_mgmt_req payload;
1392 	struct inbound_queue_table *circularQ;
1393 	int rc;
1394 	u32 tag;
1395 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1396 
1397 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1398 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1399 	if (rc)
1400 		return -1;
1401 
1402 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1403 	payload.tag = cpu_to_le32(tag);
1404 	/* Currently only one key is used. New KEK index is 1.
1405 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1406 	 */
1407 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1408 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1409 
1410 	pm8001_dbg(pm8001_ha, DEV,
1411 		   "Saving Encryption info to flash. payload 0x%x\n",
1412 		   payload.new_curidx_ksop);
1413 
1414 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1415 			sizeof(payload), 0);
1416 	if (rc)
1417 		pm8001_tag_free(pm8001_ha, tag);
1418 
1419 	return rc;
1420 }
1421 
1422 /**
1423  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
1424  * @pm8001_ha: our hba card information
1425  */
1426 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1427 {
1428 	int ret;
1429 	u8 i = 0;
1430 
1431 	/* check the firmware status */
1432 	if (-1 == check_fw_ready(pm8001_ha)) {
1433 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1434 		return -EBUSY;
1435 	}
1436 
1437 	/* Initialize the controller fatal error flag */
1438 	pm8001_ha->controller_fatal_error = false;
1439 
1440 	/* Initialize pci space address eg: mpi offset */
1441 	init_pci_device_addresses(pm8001_ha);
1442 	init_default_table_values(pm8001_ha);
1443 	read_main_config_table(pm8001_ha);
1444 	read_general_status_table(pm8001_ha);
1445 	read_inbnd_queue_table(pm8001_ha);
1446 	read_outbnd_queue_table(pm8001_ha);
1447 	read_phy_attr_table(pm8001_ha);
1448 
1449 	/* update main config table ,inbound table and outbound table */
1450 	update_main_config_table(pm8001_ha);
1451 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
1452 		update_inbnd_queue_table(pm8001_ha, i);
1453 		update_outbnd_queue_table(pm8001_ha, i);
1454 	}
1455 	/* notify firmware update finished and check initialization status */
1456 	if (0 == mpi_init_check(pm8001_ha)) {
1457 		pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
1458 	} else
1459 		return -EBUSY;
1460 
1461 	/* send SAS protocol timer configuration page to FW */
1462 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1463 
1464 	/* Check for encryption */
1465 	if (pm8001_ha->chip->encrypt) {
1466 		pm8001_dbg(pm8001_ha, INIT, "Checking for encryption\n");
1467 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1468 		if (ret == -1) {
1469 			pm8001_dbg(pm8001_ha, INIT, "Encryption error !!\n");
1470 			if (pm8001_ha->encrypt_info.status == 0x81) {
1471 				pm8001_dbg(pm8001_ha, INIT,
1472 					   "Encryption enabled with error.Saving encryption key to flash\n");
1473 				pm80xx_encrypt_update(pm8001_ha);
1474 			}
1475 		}
1476 	}
1477 	return 0;
1478 }
1479 
1480 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1481 {
1482 	u32 max_wait_count;
1483 	u32 value;
1484 	u32 gst_len_mpistate;
1485 	init_pci_device_addresses(pm8001_ha);
1486 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1487 	table is stop */
1488 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1489 
1490 	/* wait until Inbound DoorBell Clear Register toggled */
1491 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1492 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
1493 	} else {
1494 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1495 	}
1496 	do {
1497 		udelay(1);
1498 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1499 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1500 	} while ((value != 0) && (--max_wait_count));
1501 
1502 	if (!max_wait_count) {
1503 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=%x\n", value);
1504 		return -1;
1505 	}
1506 
1507 	/* check the MPI-State for termination in progress */
1508 	/* wait until Inbound DoorBell Clear Register toggled */
1509 	max_wait_count = 2 * 1000 * 1000;	/* 2 sec for spcv/ve */
1510 	do {
1511 		udelay(1);
1512 		gst_len_mpistate =
1513 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1514 			GST_GSTLEN_MPIS_OFFSET);
1515 		if (GST_MPI_STATE_UNINIT ==
1516 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1517 			break;
1518 	} while (--max_wait_count);
1519 	if (!max_wait_count) {
1520 		pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
1521 			   gst_len_mpistate & GST_MPI_STATE_MASK);
1522 		return -1;
1523 	}
1524 
1525 	return 0;
1526 }
1527 
1528 /**
1529  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
1530  * the FW register status to the originated status.
1531  * @pm8001_ha: our hba card information
1532  */
1533 
1534 static int
1535 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1536 {
1537 	u32 regval;
1538 	u32 bootloader_state;
1539 	u32 ibutton0, ibutton1;
1540 
1541 	/* Process MPI table uninitialization only if FW is ready */
1542 	if (!pm8001_ha->controller_fatal_error) {
1543 		/* Check if MPI is in ready state to reset */
1544 		if (mpi_uninit_check(pm8001_ha) != 0) {
1545 			u32 r0 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1546 			u32 r1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1547 			u32 r2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1548 			u32 r3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1549 			pm8001_dbg(pm8001_ha, FAIL,
1550 				   "MPI state is not ready scratch: %x:%x:%x:%x\n",
1551 				   r0, r1, r2, r3);
1552 			/* if things aren't ready but the bootloader is ok then
1553 			 * try the reset anyway.
1554 			 */
1555 			if (r1 & SCRATCH_PAD1_BOOTSTATE_MASK)
1556 				return -1;
1557 		}
1558 	}
1559 	/* checked for reset register normal state; 0x0 */
1560 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1561 	pm8001_dbg(pm8001_ha, INIT, "reset register before write : 0x%x\n",
1562 		   regval);
1563 
1564 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1565 	msleep(500);
1566 
1567 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1568 	pm8001_dbg(pm8001_ha, INIT, "reset register after write 0x%x\n",
1569 		   regval);
1570 
1571 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1572 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1573 		pm8001_dbg(pm8001_ha, MSG,
1574 			   " soft reset successful [regval: 0x%x]\n",
1575 			   regval);
1576 	} else {
1577 		pm8001_dbg(pm8001_ha, MSG,
1578 			   " soft reset failed [regval: 0x%x]\n",
1579 			   regval);
1580 
1581 		/* check bootloader is successfully executed or in HDA mode */
1582 		bootloader_state =
1583 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1584 			SCRATCH_PAD1_BOOTSTATE_MASK;
1585 
1586 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1587 			pm8001_dbg(pm8001_ha, MSG,
1588 				   "Bootloader state - HDA mode SEEPROM\n");
1589 		} else if (bootloader_state ==
1590 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1591 			pm8001_dbg(pm8001_ha, MSG,
1592 				   "Bootloader state - HDA mode Bootstrap Pin\n");
1593 		} else if (bootloader_state ==
1594 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1595 			pm8001_dbg(pm8001_ha, MSG,
1596 				   "Bootloader state - HDA mode soft reset\n");
1597 		} else if (bootloader_state ==
1598 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1599 			pm8001_dbg(pm8001_ha, MSG,
1600 				   "Bootloader state-HDA mode critical error\n");
1601 		}
1602 		return -EBUSY;
1603 	}
1604 
1605 	/* check the firmware status after reset */
1606 	if (-1 == check_fw_ready(pm8001_ha)) {
1607 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1608 		/* check iButton feature support for motherboard controller */
1609 		if (pm8001_ha->pdev->subsystem_vendor !=
1610 			PCI_VENDOR_ID_ADAPTEC2 &&
1611 			pm8001_ha->pdev->subsystem_vendor !=
1612 			PCI_VENDOR_ID_ATTO &&
1613 			pm8001_ha->pdev->subsystem_vendor != 0) {
1614 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1615 					MSGU_HOST_SCRATCH_PAD_6);
1616 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1617 					MSGU_HOST_SCRATCH_PAD_7);
1618 			if (!ibutton0 && !ibutton1) {
1619 				pm8001_dbg(pm8001_ha, FAIL,
1620 					   "iButton Feature is not Available!!!\n");
1621 				return -EBUSY;
1622 			}
1623 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1624 				pm8001_dbg(pm8001_ha, FAIL,
1625 					   "CRC Check for iButton Feature Failed!!!\n");
1626 				return -EBUSY;
1627 			}
1628 		}
1629 	}
1630 	pm8001_dbg(pm8001_ha, INIT, "SPCv soft reset Complete\n");
1631 	return 0;
1632 }
1633 
1634 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1635 {
1636 	u32 i;
1637 
1638 	pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1639 
1640 	/* do SPCv chip reset. */
1641 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1642 	pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1643 
1644 	/* Check this ..whether delay is required or no */
1645 	/* delay 10 usec */
1646 	udelay(10);
1647 
1648 	/* wait for 20 msec until the firmware gets reloaded */
1649 	i = 20;
1650 	do {
1651 		mdelay(1);
1652 	} while ((--i) != 0);
1653 
1654 	pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1655 }
1656 
1657 /**
1658  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1659  * @pm8001_ha: our hba card information
1660  */
1661 static void
1662 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1663 {
1664 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1665 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1666 }
1667 
1668 /**
1669  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1670  * @pm8001_ha: our hba card information
1671  */
1672 static void
1673 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1674 {
1675 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1676 }
1677 
1678 /**
1679  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1680  * @pm8001_ha: our hba card information
1681  * @vec: interrupt number to enable
1682  */
1683 static void
1684 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1685 {
1686 #ifdef PM8001_USE_MSIX
1687 	u32 mask;
1688 	mask = (u32)(1 << vec);
1689 
1690 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1691 	return;
1692 #endif
1693 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1694 
1695 }
1696 
1697 /**
1698  * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1699  * @pm8001_ha: our hba card information
1700  * @vec: interrupt number to disable
1701  */
1702 static void
1703 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1704 {
1705 #ifdef PM8001_USE_MSIX
1706 	u32 mask;
1707 	if (vec == 0xFF)
1708 		mask = 0xFFFFFFFF;
1709 	else
1710 		mask = (u32)(1 << vec);
1711 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1712 	return;
1713 #endif
1714 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1715 }
1716 
1717 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1718 		struct pm8001_device *pm8001_ha_dev)
1719 {
1720 	int res;
1721 	u32 ccb_tag;
1722 	struct pm8001_ccb_info *ccb;
1723 	struct sas_task *task = NULL;
1724 	struct task_abort_req task_abort;
1725 	struct inbound_queue_table *circularQ;
1726 	u32 opc = OPC_INB_SATA_ABORT;
1727 	int ret;
1728 
1729 	if (!pm8001_ha_dev) {
1730 		pm8001_dbg(pm8001_ha, FAIL, "dev is null\n");
1731 		return;
1732 	}
1733 
1734 	task = sas_alloc_slow_task(GFP_ATOMIC);
1735 
1736 	if (!task) {
1737 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1738 		return;
1739 	}
1740 
1741 	task->task_done = pm8001_task_done;
1742 
1743 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1744 	if (res) {
1745 		sas_free_task(task);
1746 		return;
1747 	}
1748 
1749 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1750 	ccb->device = pm8001_ha_dev;
1751 	ccb->ccb_tag = ccb_tag;
1752 	ccb->task = task;
1753 
1754 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1755 
1756 	memset(&task_abort, 0, sizeof(task_abort));
1757 	task_abort.abort_all = cpu_to_le32(1);
1758 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1759 	task_abort.tag = cpu_to_le32(ccb_tag);
1760 
1761 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
1762 			sizeof(task_abort), 0);
1763 	pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n");
1764 	if (ret) {
1765 		sas_free_task(task);
1766 		pm8001_tag_free(pm8001_ha, ccb_tag);
1767 	}
1768 }
1769 
1770 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1771 		struct pm8001_device *pm8001_ha_dev)
1772 {
1773 	struct sata_start_req sata_cmd;
1774 	int res;
1775 	u32 ccb_tag;
1776 	struct pm8001_ccb_info *ccb;
1777 	struct sas_task *task = NULL;
1778 	struct host_to_dev_fis fis;
1779 	struct domain_device *dev;
1780 	struct inbound_queue_table *circularQ;
1781 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1782 
1783 	task = sas_alloc_slow_task(GFP_ATOMIC);
1784 
1785 	if (!task) {
1786 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1787 		return;
1788 	}
1789 	task->task_done = pm8001_task_done;
1790 
1791 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1792 	if (res) {
1793 		sas_free_task(task);
1794 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate tag !!!\n");
1795 		return;
1796 	}
1797 
1798 	/* allocate domain device by ourselves as libsas
1799 	 * is not going to provide any
1800 	*/
1801 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1802 	if (!dev) {
1803 		sas_free_task(task);
1804 		pm8001_tag_free(pm8001_ha, ccb_tag);
1805 		pm8001_dbg(pm8001_ha, FAIL,
1806 			   "Domain device cannot be allocated\n");
1807 		return;
1808 	}
1809 
1810 	task->dev = dev;
1811 	task->dev->lldd_dev = pm8001_ha_dev;
1812 
1813 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1814 	ccb->device = pm8001_ha_dev;
1815 	ccb->ccb_tag = ccb_tag;
1816 	ccb->task = task;
1817 	ccb->n_elem = 0;
1818 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1819 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1820 
1821 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1822 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1823 
1824 	/* construct read log FIS */
1825 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1826 	fis.fis_type = 0x27;
1827 	fis.flags = 0x80;
1828 	fis.command = ATA_CMD_READ_LOG_EXT;
1829 	fis.lbal = 0x10;
1830 	fis.sector_count = 0x1;
1831 
1832 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1833 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1834 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1835 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1836 
1837 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd,
1838 			sizeof(sata_cmd), 0);
1839 	pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n");
1840 	if (res) {
1841 		sas_free_task(task);
1842 		pm8001_tag_free(pm8001_ha, ccb_tag);
1843 		kfree(dev);
1844 	}
1845 }
1846 
1847 /**
1848  * mpi_ssp_completion- process the event that FW response to the SSP request.
1849  * @pm8001_ha: our hba card information
1850  * @piomb: the message contents of this outbound message.
1851  *
1852  * When FW has completed a ssp request for example a IO request, after it has
1853  * filled the SG data with the data, it will trigger this event represent
1854  * that he has finished the job,please check the coresponding buffer.
1855  * So we will tell the caller who maybe waiting the result to tell upper layer
1856  * that the task has been finished.
1857  */
1858 static void
1859 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1860 {
1861 	struct sas_task *t;
1862 	struct pm8001_ccb_info *ccb;
1863 	unsigned long flags;
1864 	u32 status;
1865 	u32 param;
1866 	u32 tag;
1867 	struct ssp_completion_resp *psspPayload;
1868 	struct task_status_struct *ts;
1869 	struct ssp_response_iu *iu;
1870 	struct pm8001_device *pm8001_dev;
1871 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1872 	status = le32_to_cpu(psspPayload->status);
1873 	tag = le32_to_cpu(psspPayload->tag);
1874 	ccb = &pm8001_ha->ccb_info[tag];
1875 	if ((status == IO_ABORTED) && ccb->open_retry) {
1876 		/* Being completed by another */
1877 		ccb->open_retry = 0;
1878 		return;
1879 	}
1880 	pm8001_dev = ccb->device;
1881 	param = le32_to_cpu(psspPayload->param);
1882 	t = ccb->task;
1883 
1884 	if (status && status != IO_UNDERFLOW)
1885 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1886 	if (unlikely(!t || !t->lldd_task || !t->dev))
1887 		return;
1888 	ts = &t->task_status;
1889 
1890 	pm8001_dbg(pm8001_ha, DEV,
1891 		   "tag::0x%x, status::0x%x task::0x%p\n", tag, status, t);
1892 
1893 	/* Print sas address of IO failed device */
1894 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1895 		(status != IO_UNDERFLOW))
1896 		pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1897 			   SAS_ADDR(t->dev->sas_addr));
1898 
1899 	switch (status) {
1900 	case IO_SUCCESS:
1901 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS ,param = 0x%x\n",
1902 			   param);
1903 		if (param == 0) {
1904 			ts->resp = SAS_TASK_COMPLETE;
1905 			ts->stat = SAM_STAT_GOOD;
1906 		} else {
1907 			ts->resp = SAS_TASK_COMPLETE;
1908 			ts->stat = SAS_PROTO_RESPONSE;
1909 			ts->residual = param;
1910 			iu = &psspPayload->ssp_resp_iu;
1911 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1912 		}
1913 		if (pm8001_dev)
1914 			atomic_dec(&pm8001_dev->running_req);
1915 		break;
1916 	case IO_ABORTED:
1917 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1918 		ts->resp = SAS_TASK_COMPLETE;
1919 		ts->stat = SAS_ABORTED_TASK;
1920 		if (pm8001_dev)
1921 			atomic_dec(&pm8001_dev->running_req);
1922 		break;
1923 	case IO_UNDERFLOW:
1924 		/* SSP Completion with error */
1925 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW ,param = 0x%x\n",
1926 			   param);
1927 		ts->resp = SAS_TASK_COMPLETE;
1928 		ts->stat = SAS_DATA_UNDERRUN;
1929 		ts->residual = param;
1930 		if (pm8001_dev)
1931 			atomic_dec(&pm8001_dev->running_req);
1932 		break;
1933 	case IO_NO_DEVICE:
1934 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1935 		ts->resp = SAS_TASK_UNDELIVERED;
1936 		ts->stat = SAS_PHY_DOWN;
1937 		if (pm8001_dev)
1938 			atomic_dec(&pm8001_dev->running_req);
1939 		break;
1940 	case IO_XFER_ERROR_BREAK:
1941 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1942 		ts->resp = SAS_TASK_COMPLETE;
1943 		ts->stat = SAS_OPEN_REJECT;
1944 		/* Force the midlayer to retry */
1945 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1946 		if (pm8001_dev)
1947 			atomic_dec(&pm8001_dev->running_req);
1948 		break;
1949 	case IO_XFER_ERROR_PHY_NOT_READY:
1950 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1951 		ts->resp = SAS_TASK_COMPLETE;
1952 		ts->stat = SAS_OPEN_REJECT;
1953 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1954 		if (pm8001_dev)
1955 			atomic_dec(&pm8001_dev->running_req);
1956 		break;
1957 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
1958 		pm8001_dbg(pm8001_ha, IO,
1959 			   "IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n");
1960 		ts->resp = SAS_TASK_COMPLETE;
1961 		ts->stat = SAS_OPEN_REJECT;
1962 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1963 		if (pm8001_dev)
1964 			atomic_dec(&pm8001_dev->running_req);
1965 		break;
1966 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1967 		pm8001_dbg(pm8001_ha, IO,
1968 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1969 		ts->resp = SAS_TASK_COMPLETE;
1970 		ts->stat = SAS_OPEN_REJECT;
1971 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1972 		if (pm8001_dev)
1973 			atomic_dec(&pm8001_dev->running_req);
1974 		break;
1975 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1976 		pm8001_dbg(pm8001_ha, IO,
1977 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1978 		ts->resp = SAS_TASK_COMPLETE;
1979 		ts->stat = SAS_OPEN_REJECT;
1980 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1981 		if (pm8001_dev)
1982 			atomic_dec(&pm8001_dev->running_req);
1983 		break;
1984 	case IO_OPEN_CNX_ERROR_BREAK:
1985 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
1986 		ts->resp = SAS_TASK_COMPLETE;
1987 		ts->stat = SAS_OPEN_REJECT;
1988 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1989 		if (pm8001_dev)
1990 			atomic_dec(&pm8001_dev->running_req);
1991 		break;
1992 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1993 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1994 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1995 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1996 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1997 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1998 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
1999 		ts->resp = SAS_TASK_COMPLETE;
2000 		ts->stat = SAS_OPEN_REJECT;
2001 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2002 		if (!t->uldd_task)
2003 			pm8001_handle_event(pm8001_ha,
2004 				pm8001_dev,
2005 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2006 		break;
2007 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2008 		pm8001_dbg(pm8001_ha, IO,
2009 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2010 		ts->resp = SAS_TASK_COMPLETE;
2011 		ts->stat = SAS_OPEN_REJECT;
2012 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2013 		if (pm8001_dev)
2014 			atomic_dec(&pm8001_dev->running_req);
2015 		break;
2016 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2017 		pm8001_dbg(pm8001_ha, IO,
2018 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2019 		ts->resp = SAS_TASK_COMPLETE;
2020 		ts->stat = SAS_OPEN_REJECT;
2021 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2022 		if (pm8001_dev)
2023 			atomic_dec(&pm8001_dev->running_req);
2024 		break;
2025 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2026 		pm8001_dbg(pm8001_ha, IO,
2027 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2028 		ts->resp = SAS_TASK_UNDELIVERED;
2029 		ts->stat = SAS_OPEN_REJECT;
2030 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2031 		if (pm8001_dev)
2032 			atomic_dec(&pm8001_dev->running_req);
2033 		break;
2034 	case IO_XFER_ERROR_NAK_RECEIVED:
2035 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2036 		ts->resp = SAS_TASK_COMPLETE;
2037 		ts->stat = SAS_OPEN_REJECT;
2038 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2039 		if (pm8001_dev)
2040 			atomic_dec(&pm8001_dev->running_req);
2041 		break;
2042 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2043 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2044 		ts->resp = SAS_TASK_COMPLETE;
2045 		ts->stat = SAS_NAK_R_ERR;
2046 		if (pm8001_dev)
2047 			atomic_dec(&pm8001_dev->running_req);
2048 		break;
2049 	case IO_XFER_ERROR_DMA:
2050 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2051 		ts->resp = SAS_TASK_COMPLETE;
2052 		ts->stat = SAS_OPEN_REJECT;
2053 		if (pm8001_dev)
2054 			atomic_dec(&pm8001_dev->running_req);
2055 		break;
2056 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2057 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2058 		ts->resp = SAS_TASK_COMPLETE;
2059 		ts->stat = SAS_OPEN_REJECT;
2060 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2061 		if (pm8001_dev)
2062 			atomic_dec(&pm8001_dev->running_req);
2063 		break;
2064 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2065 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2066 		ts->resp = SAS_TASK_COMPLETE;
2067 		ts->stat = SAS_OPEN_REJECT;
2068 		if (pm8001_dev)
2069 			atomic_dec(&pm8001_dev->running_req);
2070 		break;
2071 	case IO_PORT_IN_RESET:
2072 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2073 		ts->resp = SAS_TASK_COMPLETE;
2074 		ts->stat = SAS_OPEN_REJECT;
2075 		if (pm8001_dev)
2076 			atomic_dec(&pm8001_dev->running_req);
2077 		break;
2078 	case IO_DS_NON_OPERATIONAL:
2079 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2080 		ts->resp = SAS_TASK_COMPLETE;
2081 		ts->stat = SAS_OPEN_REJECT;
2082 		if (!t->uldd_task)
2083 			pm8001_handle_event(pm8001_ha,
2084 				pm8001_dev,
2085 				IO_DS_NON_OPERATIONAL);
2086 		break;
2087 	case IO_DS_IN_RECOVERY:
2088 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2089 		ts->resp = SAS_TASK_COMPLETE;
2090 		ts->stat = SAS_OPEN_REJECT;
2091 		if (pm8001_dev)
2092 			atomic_dec(&pm8001_dev->running_req);
2093 		break;
2094 	case IO_TM_TAG_NOT_FOUND:
2095 		pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2096 		ts->resp = SAS_TASK_COMPLETE;
2097 		ts->stat = SAS_OPEN_REJECT;
2098 		if (pm8001_dev)
2099 			atomic_dec(&pm8001_dev->running_req);
2100 		break;
2101 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2102 		pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2103 		ts->resp = SAS_TASK_COMPLETE;
2104 		ts->stat = SAS_OPEN_REJECT;
2105 		if (pm8001_dev)
2106 			atomic_dec(&pm8001_dev->running_req);
2107 		break;
2108 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2109 		pm8001_dbg(pm8001_ha, IO,
2110 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2111 		ts->resp = SAS_TASK_COMPLETE;
2112 		ts->stat = SAS_OPEN_REJECT;
2113 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2114 		if (pm8001_dev)
2115 			atomic_dec(&pm8001_dev->running_req);
2116 		break;
2117 	default:
2118 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2119 		/* not allowed case. Therefore, return failed status */
2120 		ts->resp = SAS_TASK_COMPLETE;
2121 		ts->stat = SAS_OPEN_REJECT;
2122 		if (pm8001_dev)
2123 			atomic_dec(&pm8001_dev->running_req);
2124 		break;
2125 	}
2126 	pm8001_dbg(pm8001_ha, IO, "scsi_status = 0x%x\n ",
2127 		   psspPayload->ssp_resp_iu.status);
2128 	spin_lock_irqsave(&t->task_state_lock, flags);
2129 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2130 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2131 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2132 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2133 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2134 		pm8001_dbg(pm8001_ha, FAIL,
2135 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2136 			   t, status, ts->resp, ts->stat);
2137 		if (t->slow_task)
2138 			complete(&t->slow_task->completion);
2139 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2140 	} else {
2141 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2142 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2143 		mb();/* in order to force CPU ordering */
2144 		t->task_done(t);
2145 	}
2146 }
2147 
2148 /*See the comments for mpi_ssp_completion */
2149 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2150 {
2151 	struct sas_task *t;
2152 	unsigned long flags;
2153 	struct task_status_struct *ts;
2154 	struct pm8001_ccb_info *ccb;
2155 	struct pm8001_device *pm8001_dev;
2156 	struct ssp_event_resp *psspPayload =
2157 		(struct ssp_event_resp *)(piomb + 4);
2158 	u32 event = le32_to_cpu(psspPayload->event);
2159 	u32 tag = le32_to_cpu(psspPayload->tag);
2160 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2161 
2162 	ccb = &pm8001_ha->ccb_info[tag];
2163 	t = ccb->task;
2164 	pm8001_dev = ccb->device;
2165 	if (event)
2166 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2167 	if (unlikely(!t || !t->lldd_task || !t->dev))
2168 		return;
2169 	ts = &t->task_status;
2170 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2171 		   port_id, tag, event);
2172 	switch (event) {
2173 	case IO_OVERFLOW:
2174 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2175 		ts->resp = SAS_TASK_COMPLETE;
2176 		ts->stat = SAS_DATA_OVERRUN;
2177 		ts->residual = 0;
2178 		if (pm8001_dev)
2179 			atomic_dec(&pm8001_dev->running_req);
2180 		break;
2181 	case IO_XFER_ERROR_BREAK:
2182 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2183 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2184 		return;
2185 	case IO_XFER_ERROR_PHY_NOT_READY:
2186 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2187 		ts->resp = SAS_TASK_COMPLETE;
2188 		ts->stat = SAS_OPEN_REJECT;
2189 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2190 		break;
2191 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2192 		pm8001_dbg(pm8001_ha, IO,
2193 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2194 		ts->resp = SAS_TASK_COMPLETE;
2195 		ts->stat = SAS_OPEN_REJECT;
2196 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2197 		break;
2198 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2199 		pm8001_dbg(pm8001_ha, IO,
2200 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2201 		ts->resp = SAS_TASK_COMPLETE;
2202 		ts->stat = SAS_OPEN_REJECT;
2203 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2204 		break;
2205 	case IO_OPEN_CNX_ERROR_BREAK:
2206 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2207 		ts->resp = SAS_TASK_COMPLETE;
2208 		ts->stat = SAS_OPEN_REJECT;
2209 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2210 		break;
2211 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2212 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2213 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2214 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2215 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2216 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2217 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2218 		ts->resp = SAS_TASK_COMPLETE;
2219 		ts->stat = SAS_OPEN_REJECT;
2220 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2221 		if (!t->uldd_task)
2222 			pm8001_handle_event(pm8001_ha,
2223 				pm8001_dev,
2224 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2225 		break;
2226 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2227 		pm8001_dbg(pm8001_ha, IO,
2228 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2229 		ts->resp = SAS_TASK_COMPLETE;
2230 		ts->stat = SAS_OPEN_REJECT;
2231 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2232 		break;
2233 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2234 		pm8001_dbg(pm8001_ha, IO,
2235 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2236 		ts->resp = SAS_TASK_COMPLETE;
2237 		ts->stat = SAS_OPEN_REJECT;
2238 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2239 		break;
2240 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2241 		pm8001_dbg(pm8001_ha, IO,
2242 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2243 		ts->resp = SAS_TASK_COMPLETE;
2244 		ts->stat = SAS_OPEN_REJECT;
2245 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2246 		break;
2247 	case IO_XFER_ERROR_NAK_RECEIVED:
2248 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2249 		ts->resp = SAS_TASK_COMPLETE;
2250 		ts->stat = SAS_OPEN_REJECT;
2251 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2252 		break;
2253 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2254 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2255 		ts->resp = SAS_TASK_COMPLETE;
2256 		ts->stat = SAS_NAK_R_ERR;
2257 		break;
2258 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2259 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2260 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2261 		return;
2262 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2263 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2264 		ts->resp = SAS_TASK_COMPLETE;
2265 		ts->stat = SAS_DATA_OVERRUN;
2266 		break;
2267 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2268 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2269 		ts->resp = SAS_TASK_COMPLETE;
2270 		ts->stat = SAS_DATA_OVERRUN;
2271 		break;
2272 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2273 		pm8001_dbg(pm8001_ha, IO,
2274 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2275 		ts->resp = SAS_TASK_COMPLETE;
2276 		ts->stat = SAS_DATA_OVERRUN;
2277 		break;
2278 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2279 		pm8001_dbg(pm8001_ha, IO,
2280 			   "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2281 		ts->resp = SAS_TASK_COMPLETE;
2282 		ts->stat = SAS_DATA_OVERRUN;
2283 		break;
2284 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2285 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2286 		ts->resp = SAS_TASK_COMPLETE;
2287 		ts->stat = SAS_DATA_OVERRUN;
2288 		break;
2289 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2290 		pm8001_dbg(pm8001_ha, IO,
2291 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2292 		ts->resp = SAS_TASK_COMPLETE;
2293 		ts->stat = SAS_DATA_OVERRUN;
2294 		break;
2295 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2296 		pm8001_dbg(pm8001_ha, IOERR,
2297 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2298 		/* TBC: used default set values */
2299 		ts->resp = SAS_TASK_COMPLETE;
2300 		ts->stat = SAS_DATA_OVERRUN;
2301 		break;
2302 	case IO_XFER_CMD_FRAME_ISSUED:
2303 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2304 		return;
2305 	default:
2306 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2307 		/* not allowed case. Therefore, return failed status */
2308 		ts->resp = SAS_TASK_COMPLETE;
2309 		ts->stat = SAS_DATA_OVERRUN;
2310 		break;
2311 	}
2312 	spin_lock_irqsave(&t->task_state_lock, flags);
2313 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2314 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2315 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2316 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2317 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2318 		pm8001_dbg(pm8001_ha, FAIL,
2319 			   "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2320 			   t, event, ts->resp, ts->stat);
2321 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2322 	} else {
2323 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2324 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2325 		mb();/* in order to force CPU ordering */
2326 		t->task_done(t);
2327 	}
2328 }
2329 
2330 /*See the comments for mpi_ssp_completion */
2331 static void
2332 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2333 {
2334 	struct sas_task *t;
2335 	struct pm8001_ccb_info *ccb;
2336 	u32 param;
2337 	u32 status;
2338 	u32 tag;
2339 	int i, j;
2340 	u8 sata_addr_low[4];
2341 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2342 	u8 sata_addr_hi[4];
2343 	struct sata_completion_resp *psataPayload;
2344 	struct task_status_struct *ts;
2345 	struct ata_task_resp *resp ;
2346 	u32 *sata_resp;
2347 	struct pm8001_device *pm8001_dev;
2348 	unsigned long flags;
2349 
2350 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2351 	status = le32_to_cpu(psataPayload->status);
2352 	tag = le32_to_cpu(psataPayload->tag);
2353 
2354 	if (!tag) {
2355 		pm8001_dbg(pm8001_ha, FAIL, "tag null\n");
2356 		return;
2357 	}
2358 	ccb = &pm8001_ha->ccb_info[tag];
2359 	param = le32_to_cpu(psataPayload->param);
2360 	if (ccb) {
2361 		t = ccb->task;
2362 		pm8001_dev = ccb->device;
2363 	} else {
2364 		pm8001_dbg(pm8001_ha, FAIL, "ccb null\n");
2365 		return;
2366 	}
2367 
2368 	if (t) {
2369 		if (t->dev && (t->dev->lldd_dev))
2370 			pm8001_dev = t->dev->lldd_dev;
2371 	} else {
2372 		pm8001_dbg(pm8001_ha, FAIL, "task null\n");
2373 		return;
2374 	}
2375 
2376 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2377 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2378 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2379 		return;
2380 	}
2381 
2382 	ts = &t->task_status;
2383 	if (!ts) {
2384 		pm8001_dbg(pm8001_ha, FAIL, "ts null\n");
2385 		return;
2386 	}
2387 
2388 	if (unlikely(status))
2389 		pm8001_dbg(pm8001_ha, IOERR,
2390 			   "status:0x%x, tag:0x%x, task::0x%p\n",
2391 			   status, tag, t);
2392 
2393 	/* Print sas address of IO failed device */
2394 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2395 		(status != IO_UNDERFLOW)) {
2396 		if (!((t->dev->parent) &&
2397 			(dev_is_expander(t->dev->parent->dev_type)))) {
2398 			for (i = 0 , j = 4; i <= 3 && j <= 7; i++ , j++)
2399 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2400 			for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
2401 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2402 			memcpy(&temp_sata_addr_low, sata_addr_low,
2403 				sizeof(sata_addr_low));
2404 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2405 				sizeof(sata_addr_hi));
2406 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2407 						|((temp_sata_addr_hi << 8) &
2408 						0xff0000) |
2409 						((temp_sata_addr_hi >> 8)
2410 						& 0xff00) |
2411 						((temp_sata_addr_hi << 24) &
2412 						0xff000000));
2413 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2414 						& 0xff) |
2415 						((temp_sata_addr_low << 8)
2416 						& 0xff0000) |
2417 						((temp_sata_addr_low >> 8)
2418 						& 0xff00) |
2419 						((temp_sata_addr_low << 24)
2420 						& 0xff000000)) +
2421 						pm8001_dev->attached_phy +
2422 						0x10);
2423 			pm8001_dbg(pm8001_ha, FAIL,
2424 				   "SAS Address of IO Failure Drive:%08x%08x\n",
2425 				   temp_sata_addr_hi,
2426 				   temp_sata_addr_low);
2427 
2428 		} else {
2429 			pm8001_dbg(pm8001_ha, FAIL,
2430 				   "SAS Address of IO Failure Drive:%016llx\n",
2431 				   SAS_ADDR(t->dev->sas_addr));
2432 		}
2433 	}
2434 	switch (status) {
2435 	case IO_SUCCESS:
2436 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2437 		if (param == 0) {
2438 			ts->resp = SAS_TASK_COMPLETE;
2439 			ts->stat = SAM_STAT_GOOD;
2440 			/* check if response is for SEND READ LOG */
2441 			if (pm8001_dev &&
2442 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2443 				/* set new bit for abort_all */
2444 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2445 				/* clear bit for read log */
2446 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2447 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2448 				/* Free the tag */
2449 				pm8001_tag_free(pm8001_ha, tag);
2450 				sas_free_task(t);
2451 				return;
2452 			}
2453 		} else {
2454 			u8 len;
2455 			ts->resp = SAS_TASK_COMPLETE;
2456 			ts->stat = SAS_PROTO_RESPONSE;
2457 			ts->residual = param;
2458 			pm8001_dbg(pm8001_ha, IO,
2459 				   "SAS_PROTO_RESPONSE len = %d\n",
2460 				   param);
2461 			sata_resp = &psataPayload->sata_resp[0];
2462 			resp = (struct ata_task_resp *)ts->buf;
2463 			if (t->ata_task.dma_xfer == 0 &&
2464 			    t->data_dir == DMA_FROM_DEVICE) {
2465 				len = sizeof(struct pio_setup_fis);
2466 				pm8001_dbg(pm8001_ha, IO,
2467 					   "PIO read len = %d\n", len);
2468 			} else if (t->ata_task.use_ncq) {
2469 				len = sizeof(struct set_dev_bits_fis);
2470 				pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2471 					   len);
2472 			} else {
2473 				len = sizeof(struct dev_to_host_fis);
2474 				pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2475 					   len);
2476 			}
2477 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2478 				resp->frame_len = len;
2479 				memcpy(&resp->ending_fis[0], sata_resp, len);
2480 				ts->buf_valid_size = sizeof(*resp);
2481 			} else
2482 				pm8001_dbg(pm8001_ha, IO,
2483 					   "response too large\n");
2484 		}
2485 		if (pm8001_dev)
2486 			atomic_dec(&pm8001_dev->running_req);
2487 		break;
2488 	case IO_ABORTED:
2489 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2490 		ts->resp = SAS_TASK_COMPLETE;
2491 		ts->stat = SAS_ABORTED_TASK;
2492 		if (pm8001_dev)
2493 			atomic_dec(&pm8001_dev->running_req);
2494 		break;
2495 		/* following cases are to do cases */
2496 	case IO_UNDERFLOW:
2497 		/* SATA Completion with error */
2498 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2499 		ts->resp = SAS_TASK_COMPLETE;
2500 		ts->stat = SAS_DATA_UNDERRUN;
2501 		ts->residual = param;
2502 		if (pm8001_dev)
2503 			atomic_dec(&pm8001_dev->running_req);
2504 		break;
2505 	case IO_NO_DEVICE:
2506 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2507 		ts->resp = SAS_TASK_UNDELIVERED;
2508 		ts->stat = SAS_PHY_DOWN;
2509 		if (pm8001_dev)
2510 			atomic_dec(&pm8001_dev->running_req);
2511 		break;
2512 	case IO_XFER_ERROR_BREAK:
2513 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2514 		ts->resp = SAS_TASK_COMPLETE;
2515 		ts->stat = SAS_INTERRUPTED;
2516 		if (pm8001_dev)
2517 			atomic_dec(&pm8001_dev->running_req);
2518 		break;
2519 	case IO_XFER_ERROR_PHY_NOT_READY:
2520 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2521 		ts->resp = SAS_TASK_COMPLETE;
2522 		ts->stat = SAS_OPEN_REJECT;
2523 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2524 		if (pm8001_dev)
2525 			atomic_dec(&pm8001_dev->running_req);
2526 		break;
2527 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2528 		pm8001_dbg(pm8001_ha, IO,
2529 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2530 		ts->resp = SAS_TASK_COMPLETE;
2531 		ts->stat = SAS_OPEN_REJECT;
2532 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2533 		if (pm8001_dev)
2534 			atomic_dec(&pm8001_dev->running_req);
2535 		break;
2536 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2537 		pm8001_dbg(pm8001_ha, IO,
2538 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2539 		ts->resp = SAS_TASK_COMPLETE;
2540 		ts->stat = SAS_OPEN_REJECT;
2541 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2542 		if (pm8001_dev)
2543 			atomic_dec(&pm8001_dev->running_req);
2544 		break;
2545 	case IO_OPEN_CNX_ERROR_BREAK:
2546 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2547 		ts->resp = SAS_TASK_COMPLETE;
2548 		ts->stat = SAS_OPEN_REJECT;
2549 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2550 		if (pm8001_dev)
2551 			atomic_dec(&pm8001_dev->running_req);
2552 		break;
2553 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2554 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2555 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2556 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2557 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2558 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2559 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2560 		ts->resp = SAS_TASK_COMPLETE;
2561 		ts->stat = SAS_DEV_NO_RESPONSE;
2562 		if (!t->uldd_task) {
2563 			pm8001_handle_event(pm8001_ha,
2564 				pm8001_dev,
2565 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2566 			ts->resp = SAS_TASK_UNDELIVERED;
2567 			ts->stat = SAS_QUEUE_FULL;
2568 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2569 			return;
2570 		}
2571 		break;
2572 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2573 		pm8001_dbg(pm8001_ha, IO,
2574 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2575 		ts->resp = SAS_TASK_UNDELIVERED;
2576 		ts->stat = SAS_OPEN_REJECT;
2577 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2578 		if (!t->uldd_task) {
2579 			pm8001_handle_event(pm8001_ha,
2580 				pm8001_dev,
2581 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2582 			ts->resp = SAS_TASK_UNDELIVERED;
2583 			ts->stat = SAS_QUEUE_FULL;
2584 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2585 			return;
2586 		}
2587 		break;
2588 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2589 		pm8001_dbg(pm8001_ha, IO,
2590 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2591 		ts->resp = SAS_TASK_COMPLETE;
2592 		ts->stat = SAS_OPEN_REJECT;
2593 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2594 		if (pm8001_dev)
2595 			atomic_dec(&pm8001_dev->running_req);
2596 		break;
2597 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2598 		pm8001_dbg(pm8001_ha, IO,
2599 			   "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2600 		ts->resp = SAS_TASK_COMPLETE;
2601 		ts->stat = SAS_DEV_NO_RESPONSE;
2602 		if (!t->uldd_task) {
2603 			pm8001_handle_event(pm8001_ha,
2604 				pm8001_dev,
2605 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2606 			ts->resp = SAS_TASK_UNDELIVERED;
2607 			ts->stat = SAS_QUEUE_FULL;
2608 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2609 			return;
2610 		}
2611 		break;
2612 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2613 		pm8001_dbg(pm8001_ha, IO,
2614 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2615 		ts->resp = SAS_TASK_COMPLETE;
2616 		ts->stat = SAS_OPEN_REJECT;
2617 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2618 		if (pm8001_dev)
2619 			atomic_dec(&pm8001_dev->running_req);
2620 		break;
2621 	case IO_XFER_ERROR_NAK_RECEIVED:
2622 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2623 		ts->resp = SAS_TASK_COMPLETE;
2624 		ts->stat = SAS_NAK_R_ERR;
2625 		if (pm8001_dev)
2626 			atomic_dec(&pm8001_dev->running_req);
2627 		break;
2628 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2629 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2630 		ts->resp = SAS_TASK_COMPLETE;
2631 		ts->stat = SAS_NAK_R_ERR;
2632 		if (pm8001_dev)
2633 			atomic_dec(&pm8001_dev->running_req);
2634 		break;
2635 	case IO_XFER_ERROR_DMA:
2636 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2637 		ts->resp = SAS_TASK_COMPLETE;
2638 		ts->stat = SAS_ABORTED_TASK;
2639 		if (pm8001_dev)
2640 			atomic_dec(&pm8001_dev->running_req);
2641 		break;
2642 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2643 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2644 		ts->resp = SAS_TASK_UNDELIVERED;
2645 		ts->stat = SAS_DEV_NO_RESPONSE;
2646 		if (pm8001_dev)
2647 			atomic_dec(&pm8001_dev->running_req);
2648 		break;
2649 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2650 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2651 		ts->resp = SAS_TASK_COMPLETE;
2652 		ts->stat = SAS_DATA_UNDERRUN;
2653 		if (pm8001_dev)
2654 			atomic_dec(&pm8001_dev->running_req);
2655 		break;
2656 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2657 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2658 		ts->resp = SAS_TASK_COMPLETE;
2659 		ts->stat = SAS_OPEN_TO;
2660 		if (pm8001_dev)
2661 			atomic_dec(&pm8001_dev->running_req);
2662 		break;
2663 	case IO_PORT_IN_RESET:
2664 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2665 		ts->resp = SAS_TASK_COMPLETE;
2666 		ts->stat = SAS_DEV_NO_RESPONSE;
2667 		if (pm8001_dev)
2668 			atomic_dec(&pm8001_dev->running_req);
2669 		break;
2670 	case IO_DS_NON_OPERATIONAL:
2671 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2672 		ts->resp = SAS_TASK_COMPLETE;
2673 		ts->stat = SAS_DEV_NO_RESPONSE;
2674 		if (!t->uldd_task) {
2675 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2676 					IO_DS_NON_OPERATIONAL);
2677 			ts->resp = SAS_TASK_UNDELIVERED;
2678 			ts->stat = SAS_QUEUE_FULL;
2679 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2680 			return;
2681 		}
2682 		break;
2683 	case IO_DS_IN_RECOVERY:
2684 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2685 		ts->resp = SAS_TASK_COMPLETE;
2686 		ts->stat = SAS_DEV_NO_RESPONSE;
2687 		if (pm8001_dev)
2688 			atomic_dec(&pm8001_dev->running_req);
2689 		break;
2690 	case IO_DS_IN_ERROR:
2691 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2692 		ts->resp = SAS_TASK_COMPLETE;
2693 		ts->stat = SAS_DEV_NO_RESPONSE;
2694 		if (!t->uldd_task) {
2695 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2696 					IO_DS_IN_ERROR);
2697 			ts->resp = SAS_TASK_UNDELIVERED;
2698 			ts->stat = SAS_QUEUE_FULL;
2699 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2700 			return;
2701 		}
2702 		break;
2703 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2704 		pm8001_dbg(pm8001_ha, IO,
2705 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2706 		ts->resp = SAS_TASK_COMPLETE;
2707 		ts->stat = SAS_OPEN_REJECT;
2708 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2709 		if (pm8001_dev)
2710 			atomic_dec(&pm8001_dev->running_req);
2711 		break;
2712 	default:
2713 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2714 		/* not allowed case. Therefore, return failed status */
2715 		ts->resp = SAS_TASK_COMPLETE;
2716 		ts->stat = SAS_DEV_NO_RESPONSE;
2717 		if (pm8001_dev)
2718 			atomic_dec(&pm8001_dev->running_req);
2719 		break;
2720 	}
2721 	spin_lock_irqsave(&t->task_state_lock, flags);
2722 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2723 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2724 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2725 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2726 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2727 		pm8001_dbg(pm8001_ha, FAIL,
2728 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2729 			   t, status, ts->resp, ts->stat);
2730 		if (t->slow_task)
2731 			complete(&t->slow_task->completion);
2732 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2733 	} else {
2734 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2735 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2736 	}
2737 }
2738 
2739 /*See the comments for mpi_ssp_completion */
2740 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2741 {
2742 	struct sas_task *t;
2743 	struct task_status_struct *ts;
2744 	struct pm8001_ccb_info *ccb;
2745 	struct pm8001_device *pm8001_dev;
2746 	struct sata_event_resp *psataPayload =
2747 		(struct sata_event_resp *)(piomb + 4);
2748 	u32 event = le32_to_cpu(psataPayload->event);
2749 	u32 tag = le32_to_cpu(psataPayload->tag);
2750 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2751 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2752 	unsigned long flags;
2753 
2754 	ccb = &pm8001_ha->ccb_info[tag];
2755 
2756 	if (ccb) {
2757 		t = ccb->task;
2758 		pm8001_dev = ccb->device;
2759 	} else {
2760 		pm8001_dbg(pm8001_ha, FAIL, "No CCB !!!. returning\n");
2761 		return;
2762 	}
2763 	if (event)
2764 		pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2765 
2766 	/* Check if this is NCQ error */
2767 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2768 		/* find device using device id */
2769 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2770 		/* send read log extension */
2771 		if (pm8001_dev)
2772 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2773 		return;
2774 	}
2775 
2776 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2777 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2778 		return;
2779 	}
2780 
2781 	ts = &t->task_status;
2782 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2783 		   port_id, tag, event);
2784 	switch (event) {
2785 	case IO_OVERFLOW:
2786 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2787 		ts->resp = SAS_TASK_COMPLETE;
2788 		ts->stat = SAS_DATA_OVERRUN;
2789 		ts->residual = 0;
2790 		if (pm8001_dev)
2791 			atomic_dec(&pm8001_dev->running_req);
2792 		break;
2793 	case IO_XFER_ERROR_BREAK:
2794 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2795 		ts->resp = SAS_TASK_COMPLETE;
2796 		ts->stat = SAS_INTERRUPTED;
2797 		break;
2798 	case IO_XFER_ERROR_PHY_NOT_READY:
2799 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2800 		ts->resp = SAS_TASK_COMPLETE;
2801 		ts->stat = SAS_OPEN_REJECT;
2802 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2803 		break;
2804 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2805 		pm8001_dbg(pm8001_ha, IO,
2806 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2807 		ts->resp = SAS_TASK_COMPLETE;
2808 		ts->stat = SAS_OPEN_REJECT;
2809 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2810 		break;
2811 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2812 		pm8001_dbg(pm8001_ha, IO,
2813 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2814 		ts->resp = SAS_TASK_COMPLETE;
2815 		ts->stat = SAS_OPEN_REJECT;
2816 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2817 		break;
2818 	case IO_OPEN_CNX_ERROR_BREAK:
2819 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2820 		ts->resp = SAS_TASK_COMPLETE;
2821 		ts->stat = SAS_OPEN_REJECT;
2822 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2823 		break;
2824 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2825 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2826 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2827 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2828 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2829 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2830 		pm8001_dbg(pm8001_ha, FAIL,
2831 			   "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2832 		ts->resp = SAS_TASK_UNDELIVERED;
2833 		ts->stat = SAS_DEV_NO_RESPONSE;
2834 		if (!t->uldd_task) {
2835 			pm8001_handle_event(pm8001_ha,
2836 				pm8001_dev,
2837 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2838 			ts->resp = SAS_TASK_COMPLETE;
2839 			ts->stat = SAS_QUEUE_FULL;
2840 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2841 			return;
2842 		}
2843 		break;
2844 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2845 		pm8001_dbg(pm8001_ha, IO,
2846 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2847 		ts->resp = SAS_TASK_UNDELIVERED;
2848 		ts->stat = SAS_OPEN_REJECT;
2849 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2850 		break;
2851 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2852 		pm8001_dbg(pm8001_ha, IO,
2853 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2854 		ts->resp = SAS_TASK_COMPLETE;
2855 		ts->stat = SAS_OPEN_REJECT;
2856 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2857 		break;
2858 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2859 		pm8001_dbg(pm8001_ha, IO,
2860 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2861 		ts->resp = SAS_TASK_COMPLETE;
2862 		ts->stat = SAS_OPEN_REJECT;
2863 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2864 		break;
2865 	case IO_XFER_ERROR_NAK_RECEIVED:
2866 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2867 		ts->resp = SAS_TASK_COMPLETE;
2868 		ts->stat = SAS_NAK_R_ERR;
2869 		break;
2870 	case IO_XFER_ERROR_PEER_ABORTED:
2871 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2872 		ts->resp = SAS_TASK_COMPLETE;
2873 		ts->stat = SAS_NAK_R_ERR;
2874 		break;
2875 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2876 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2877 		ts->resp = SAS_TASK_COMPLETE;
2878 		ts->stat = SAS_DATA_UNDERRUN;
2879 		break;
2880 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2881 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2882 		ts->resp = SAS_TASK_COMPLETE;
2883 		ts->stat = SAS_OPEN_TO;
2884 		break;
2885 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2886 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2887 		ts->resp = SAS_TASK_COMPLETE;
2888 		ts->stat = SAS_OPEN_TO;
2889 		break;
2890 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2891 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2892 		ts->resp = SAS_TASK_COMPLETE;
2893 		ts->stat = SAS_OPEN_TO;
2894 		break;
2895 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2896 		pm8001_dbg(pm8001_ha, IO,
2897 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2898 		ts->resp = SAS_TASK_COMPLETE;
2899 		ts->stat = SAS_OPEN_TO;
2900 		break;
2901 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2902 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2903 		ts->resp = SAS_TASK_COMPLETE;
2904 		ts->stat = SAS_OPEN_TO;
2905 		break;
2906 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2907 		pm8001_dbg(pm8001_ha, IO,
2908 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2909 		ts->resp = SAS_TASK_COMPLETE;
2910 		ts->stat = SAS_OPEN_TO;
2911 		break;
2912 	case IO_XFER_CMD_FRAME_ISSUED:
2913 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2914 		break;
2915 	case IO_XFER_PIO_SETUP_ERROR:
2916 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2917 		ts->resp = SAS_TASK_COMPLETE;
2918 		ts->stat = SAS_OPEN_TO;
2919 		break;
2920 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2921 		pm8001_dbg(pm8001_ha, FAIL,
2922 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2923 		/* TBC: used default set values */
2924 		ts->resp = SAS_TASK_COMPLETE;
2925 		ts->stat = SAS_OPEN_TO;
2926 		break;
2927 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2928 		pm8001_dbg(pm8001_ha, FAIL, "IO_XFR_DMA_ACTIVATE_TIMEOUT\n");
2929 		/* TBC: used default set values */
2930 		ts->resp = SAS_TASK_COMPLETE;
2931 		ts->stat = SAS_OPEN_TO;
2932 		break;
2933 	default:
2934 		pm8001_dbg(pm8001_ha, IO, "Unknown status 0x%x\n", event);
2935 		/* not allowed case. Therefore, return failed status */
2936 		ts->resp = SAS_TASK_COMPLETE;
2937 		ts->stat = SAS_OPEN_TO;
2938 		break;
2939 	}
2940 	spin_lock_irqsave(&t->task_state_lock, flags);
2941 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2942 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2943 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2944 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2945 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2946 		pm8001_dbg(pm8001_ha, FAIL,
2947 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2948 			   t, event, ts->resp, ts->stat);
2949 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2950 	} else {
2951 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2952 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2953 	}
2954 }
2955 
2956 /*See the comments for mpi_ssp_completion */
2957 static void
2958 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2959 {
2960 	u32 param, i;
2961 	struct sas_task *t;
2962 	struct pm8001_ccb_info *ccb;
2963 	unsigned long flags;
2964 	u32 status;
2965 	u32 tag;
2966 	struct smp_completion_resp *psmpPayload;
2967 	struct task_status_struct *ts;
2968 	struct pm8001_device *pm8001_dev;
2969 	char *pdma_respaddr = NULL;
2970 
2971 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2972 	status = le32_to_cpu(psmpPayload->status);
2973 	tag = le32_to_cpu(psmpPayload->tag);
2974 
2975 	ccb = &pm8001_ha->ccb_info[tag];
2976 	param = le32_to_cpu(psmpPayload->param);
2977 	t = ccb->task;
2978 	ts = &t->task_status;
2979 	pm8001_dev = ccb->device;
2980 	if (status)
2981 		pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2982 	if (unlikely(!t || !t->lldd_task || !t->dev))
2983 		return;
2984 
2985 	pm8001_dbg(pm8001_ha, DEV, "tag::0x%x status::0x%x\n", tag, status);
2986 
2987 	switch (status) {
2988 
2989 	case IO_SUCCESS:
2990 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2991 		ts->resp = SAS_TASK_COMPLETE;
2992 		ts->stat = SAM_STAT_GOOD;
2993 		if (pm8001_dev)
2994 			atomic_dec(&pm8001_dev->running_req);
2995 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
2996 			pm8001_dbg(pm8001_ha, IO,
2997 				   "DIRECT RESPONSE Length:%d\n",
2998 				   param);
2999 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
3000 						((u64)sg_dma_address
3001 						(&t->smp_task.smp_resp))));
3002 			for (i = 0; i < param; i++) {
3003 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
3004 				pm8001_dbg(pm8001_ha, IO,
3005 					   "SMP Byte%d DMA data 0x%x psmp 0x%x\n",
3006 					   i, *(pdma_respaddr + i),
3007 					   psmpPayload->_r_a[i]);
3008 			}
3009 		}
3010 		break;
3011 	case IO_ABORTED:
3012 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
3013 		ts->resp = SAS_TASK_COMPLETE;
3014 		ts->stat = SAS_ABORTED_TASK;
3015 		if (pm8001_dev)
3016 			atomic_dec(&pm8001_dev->running_req);
3017 		break;
3018 	case IO_OVERFLOW:
3019 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
3020 		ts->resp = SAS_TASK_COMPLETE;
3021 		ts->stat = SAS_DATA_OVERRUN;
3022 		ts->residual = 0;
3023 		if (pm8001_dev)
3024 			atomic_dec(&pm8001_dev->running_req);
3025 		break;
3026 	case IO_NO_DEVICE:
3027 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
3028 		ts->resp = SAS_TASK_COMPLETE;
3029 		ts->stat = SAS_PHY_DOWN;
3030 		break;
3031 	case IO_ERROR_HW_TIMEOUT:
3032 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
3033 		ts->resp = SAS_TASK_COMPLETE;
3034 		ts->stat = SAM_STAT_BUSY;
3035 		break;
3036 	case IO_XFER_ERROR_BREAK:
3037 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
3038 		ts->resp = SAS_TASK_COMPLETE;
3039 		ts->stat = SAM_STAT_BUSY;
3040 		break;
3041 	case IO_XFER_ERROR_PHY_NOT_READY:
3042 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
3043 		ts->resp = SAS_TASK_COMPLETE;
3044 		ts->stat = SAM_STAT_BUSY;
3045 		break;
3046 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
3047 		pm8001_dbg(pm8001_ha, IO,
3048 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
3049 		ts->resp = SAS_TASK_COMPLETE;
3050 		ts->stat = SAS_OPEN_REJECT;
3051 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3052 		break;
3053 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
3054 		pm8001_dbg(pm8001_ha, IO,
3055 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
3056 		ts->resp = SAS_TASK_COMPLETE;
3057 		ts->stat = SAS_OPEN_REJECT;
3058 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3059 		break;
3060 	case IO_OPEN_CNX_ERROR_BREAK:
3061 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
3062 		ts->resp = SAS_TASK_COMPLETE;
3063 		ts->stat = SAS_OPEN_REJECT;
3064 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
3065 		break;
3066 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
3067 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
3068 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
3069 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
3070 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
3071 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
3072 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
3073 		ts->resp = SAS_TASK_COMPLETE;
3074 		ts->stat = SAS_OPEN_REJECT;
3075 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3076 		pm8001_handle_event(pm8001_ha,
3077 				pm8001_dev,
3078 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3079 		break;
3080 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3081 		pm8001_dbg(pm8001_ha, IO,
3082 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
3083 		ts->resp = SAS_TASK_COMPLETE;
3084 		ts->stat = SAS_OPEN_REJECT;
3085 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3086 		break;
3087 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3088 		pm8001_dbg(pm8001_ha, IO,
3089 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
3090 		ts->resp = SAS_TASK_COMPLETE;
3091 		ts->stat = SAS_OPEN_REJECT;
3092 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3093 		break;
3094 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3095 		pm8001_dbg(pm8001_ha, IO,
3096 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
3097 		ts->resp = SAS_TASK_COMPLETE;
3098 		ts->stat = SAS_OPEN_REJECT;
3099 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3100 		break;
3101 	case IO_XFER_ERROR_RX_FRAME:
3102 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
3103 		ts->resp = SAS_TASK_COMPLETE;
3104 		ts->stat = SAS_DEV_NO_RESPONSE;
3105 		break;
3106 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3107 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
3108 		ts->resp = SAS_TASK_COMPLETE;
3109 		ts->stat = SAS_OPEN_REJECT;
3110 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3111 		break;
3112 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3113 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
3114 		ts->resp = SAS_TASK_COMPLETE;
3115 		ts->stat = SAS_QUEUE_FULL;
3116 		break;
3117 	case IO_PORT_IN_RESET:
3118 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
3119 		ts->resp = SAS_TASK_COMPLETE;
3120 		ts->stat = SAS_OPEN_REJECT;
3121 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3122 		break;
3123 	case IO_DS_NON_OPERATIONAL:
3124 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
3125 		ts->resp = SAS_TASK_COMPLETE;
3126 		ts->stat = SAS_DEV_NO_RESPONSE;
3127 		break;
3128 	case IO_DS_IN_RECOVERY:
3129 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
3130 		ts->resp = SAS_TASK_COMPLETE;
3131 		ts->stat = SAS_OPEN_REJECT;
3132 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3133 		break;
3134 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3135 		pm8001_dbg(pm8001_ha, IO,
3136 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
3137 		ts->resp = SAS_TASK_COMPLETE;
3138 		ts->stat = SAS_OPEN_REJECT;
3139 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3140 		break;
3141 	default:
3142 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
3143 		ts->resp = SAS_TASK_COMPLETE;
3144 		ts->stat = SAS_DEV_NO_RESPONSE;
3145 		/* not allowed case. Therefore, return failed status */
3146 		break;
3147 	}
3148 	spin_lock_irqsave(&t->task_state_lock, flags);
3149 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3150 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3151 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3152 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3153 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3154 		pm8001_dbg(pm8001_ha, FAIL,
3155 			   "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n",
3156 			   t, status, ts->resp, ts->stat);
3157 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3158 	} else {
3159 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3160 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3161 		mb();/* in order to force CPU ordering */
3162 		t->task_done(t);
3163 	}
3164 }
3165 
3166 /**
3167  * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3168  * @pm8001_ha: our hba card information
3169  * @Qnum: the outbound queue message number.
3170  * @SEA: source of event to ack
3171  * @port_id: port id.
3172  * @phyId: phy id.
3173  * @param0: parameter 0.
3174  * @param1: parameter 1.
3175  */
3176 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3177 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3178 {
3179 	struct hw_event_ack_req	 payload;
3180 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3181 
3182 	struct inbound_queue_table *circularQ;
3183 
3184 	memset((u8 *)&payload, 0, sizeof(payload));
3185 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3186 	payload.tag = cpu_to_le32(1);
3187 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3188 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
3189 	payload.param0 = cpu_to_le32(param0);
3190 	payload.param1 = cpu_to_le32(param1);
3191 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
3192 			sizeof(payload), 0);
3193 }
3194 
3195 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3196 	u32 phyId, u32 phy_op);
3197 
3198 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
3199 					void *piomb)
3200 {
3201 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
3202 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3203 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3204 	u32 lr_status_evt_portid =
3205 		le32_to_cpu(pPayload->lr_status_evt_portid);
3206 	u8 deviceType = pPayload->sas_identify.dev_type;
3207 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3208 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3209 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3210 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3211 
3212 	if (deviceType == SAS_END_DEVICE) {
3213 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3214 					PHY_NOTIFY_ENABLE_SPINUP);
3215 	}
3216 
3217 	port->wide_port_phymap |= (1U << phy_id);
3218 	pm8001_get_lrate_mode(phy, link_rate);
3219 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3220 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3221 	phy->phy_attached = 1;
3222 }
3223 
3224 /**
3225  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3226  * @pm8001_ha: our hba card information
3227  * @piomb: IO message buffer
3228  */
3229 static void
3230 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3231 {
3232 	struct hw_event_resp *pPayload =
3233 		(struct hw_event_resp *)(piomb + 4);
3234 	u32 lr_status_evt_portid =
3235 		le32_to_cpu(pPayload->lr_status_evt_portid);
3236 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3237 
3238 	u8 link_rate =
3239 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3240 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3241 	u8 phy_id =
3242 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3243 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3244 
3245 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3246 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3247 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3248 	unsigned long flags;
3249 	u8 deviceType = pPayload->sas_identify.dev_type;
3250 	port->port_state = portstate;
3251 	port->wide_port_phymap |= (1U << phy_id);
3252 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3253 	pm8001_dbg(pm8001_ha, MSG,
3254 		   "portid:%d; phyid:%d; linkrate:%d; portstate:%x; devicetype:%x\n",
3255 		   port_id, phy_id, link_rate, portstate, deviceType);
3256 
3257 	switch (deviceType) {
3258 	case SAS_PHY_UNUSED:
3259 		pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3260 		break;
3261 	case SAS_END_DEVICE:
3262 		pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3263 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3264 			PHY_NOTIFY_ENABLE_SPINUP);
3265 		port->port_attached = 1;
3266 		pm8001_get_lrate_mode(phy, link_rate);
3267 		break;
3268 	case SAS_EDGE_EXPANDER_DEVICE:
3269 		pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3270 		port->port_attached = 1;
3271 		pm8001_get_lrate_mode(phy, link_rate);
3272 		break;
3273 	case SAS_FANOUT_EXPANDER_DEVICE:
3274 		pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3275 		port->port_attached = 1;
3276 		pm8001_get_lrate_mode(phy, link_rate);
3277 		break;
3278 	default:
3279 		pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3280 			   deviceType);
3281 		break;
3282 	}
3283 	phy->phy_type |= PORT_TYPE_SAS;
3284 	phy->identify.device_type = deviceType;
3285 	phy->phy_attached = 1;
3286 	if (phy->identify.device_type == SAS_END_DEVICE)
3287 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3288 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3289 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3290 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3291 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3292 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3293 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3294 		sizeof(struct sas_identify_frame)-4);
3295 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3296 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3297 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3298 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3299 		mdelay(200); /* delay a moment to wait for disk to spin up */
3300 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3301 }
3302 
3303 /**
3304  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3305  * @pm8001_ha: our hba card information
3306  * @piomb: IO message buffer
3307  */
3308 static void
3309 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3310 {
3311 	struct hw_event_resp *pPayload =
3312 		(struct hw_event_resp *)(piomb + 4);
3313 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3314 	u32 lr_status_evt_portid =
3315 		le32_to_cpu(pPayload->lr_status_evt_portid);
3316 	u8 link_rate =
3317 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3318 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3319 	u8 phy_id =
3320 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3321 
3322 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3323 
3324 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3325 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3326 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3327 	unsigned long flags;
3328 	pm8001_dbg(pm8001_ha, DEVIO,
3329 		   "port id %d, phy id %d link_rate %d portstate 0x%x\n",
3330 		   port_id, phy_id, link_rate, portstate);
3331 
3332 	port->port_state = portstate;
3333 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3334 	port->port_attached = 1;
3335 	pm8001_get_lrate_mode(phy, link_rate);
3336 	phy->phy_type |= PORT_TYPE_SATA;
3337 	phy->phy_attached = 1;
3338 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3339 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3340 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3341 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3342 		sizeof(struct dev_to_host_fis));
3343 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3344 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3345 	phy->identify.device_type = SAS_SATA_DEV;
3346 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3347 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3348 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3349 }
3350 
3351 /**
3352  * hw_event_phy_down -we should notify the libsas the phy is down.
3353  * @pm8001_ha: our hba card information
3354  * @piomb: IO message buffer
3355  */
3356 static void
3357 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3358 {
3359 	struct hw_event_resp *pPayload =
3360 		(struct hw_event_resp *)(piomb + 4);
3361 
3362 	u32 lr_status_evt_portid =
3363 		le32_to_cpu(pPayload->lr_status_evt_portid);
3364 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3365 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3366 	u8 phy_id =
3367 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3368 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3369 
3370 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3371 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3372 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3373 	port->port_state = portstate;
3374 	phy->identify.device_type = 0;
3375 	phy->phy_attached = 0;
3376 	switch (portstate) {
3377 	case PORT_VALID:
3378 		break;
3379 	case PORT_INVALID:
3380 		pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3381 			   port_id);
3382 		pm8001_dbg(pm8001_ha, MSG,
3383 			   " Last phy Down and port invalid\n");
3384 		if (port_sata) {
3385 			phy->phy_type = 0;
3386 			port->port_attached = 0;
3387 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3388 					port_id, phy_id, 0, 0);
3389 		}
3390 		sas_phy_disconnected(&phy->sas_phy);
3391 		break;
3392 	case PORT_IN_RESET:
3393 		pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3394 			   port_id);
3395 		break;
3396 	case PORT_NOT_ESTABLISHED:
3397 		pm8001_dbg(pm8001_ha, MSG,
3398 			   " Phy Down and PORT_NOT_ESTABLISHED\n");
3399 		port->port_attached = 0;
3400 		break;
3401 	case PORT_LOSTCOMM:
3402 		pm8001_dbg(pm8001_ha, MSG, " Phy Down and PORT_LOSTCOMM\n");
3403 		pm8001_dbg(pm8001_ha, MSG,
3404 			   " Last phy Down and port invalid\n");
3405 		if (port_sata) {
3406 			port->port_attached = 0;
3407 			phy->phy_type = 0;
3408 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3409 					port_id, phy_id, 0, 0);
3410 		}
3411 		sas_phy_disconnected(&phy->sas_phy);
3412 		break;
3413 	default:
3414 		port->port_attached = 0;
3415 		pm8001_dbg(pm8001_ha, DEVIO,
3416 			   " Phy Down and(default) = 0x%x\n",
3417 			   portstate);
3418 		break;
3419 
3420 	}
3421 	if (port_sata && (portstate != PORT_IN_RESET)) {
3422 		struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3423 
3424 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3425 	}
3426 }
3427 
3428 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3429 {
3430 	struct phy_start_resp *pPayload =
3431 		(struct phy_start_resp *)(piomb + 4);
3432 	u32 status =
3433 		le32_to_cpu(pPayload->status);
3434 	u32 phy_id =
3435 		le32_to_cpu(pPayload->phyid);
3436 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3437 
3438 	pm8001_dbg(pm8001_ha, INIT,
3439 		   "phy start resp status:0x%x, phyid:0x%x\n",
3440 		   status, phy_id);
3441 	if (status == 0) {
3442 		phy->phy_state = PHY_LINK_DOWN;
3443 		if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3444 				phy->enable_completion != NULL) {
3445 			complete(phy->enable_completion);
3446 			phy->enable_completion = NULL;
3447 		}
3448 	}
3449 	return 0;
3450 
3451 }
3452 
3453 /**
3454  * mpi_thermal_hw_event -The hw event has come.
3455  * @pm8001_ha: our hba card information
3456  * @piomb: IO message buffer
3457  */
3458 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3459 {
3460 	struct thermal_hw_event *pPayload =
3461 		(struct thermal_hw_event *)(piomb + 4);
3462 
3463 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3464 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3465 
3466 	if (thermal_event & 0x40) {
3467 		pm8001_dbg(pm8001_ha, IO,
3468 			   "Thermal Event: Local high temperature violated!\n");
3469 		pm8001_dbg(pm8001_ha, IO,
3470 			   "Thermal Event: Measured local high temperature %d\n",
3471 			   ((rht_lht & 0xFF00) >> 8));
3472 	}
3473 	if (thermal_event & 0x10) {
3474 		pm8001_dbg(pm8001_ha, IO,
3475 			   "Thermal Event: Remote high temperature violated!\n");
3476 		pm8001_dbg(pm8001_ha, IO,
3477 			   "Thermal Event: Measured remote high temperature %d\n",
3478 			   ((rht_lht & 0xFF000000) >> 24));
3479 	}
3480 	return 0;
3481 }
3482 
3483 /**
3484  * mpi_hw_event -The hw event has come.
3485  * @pm8001_ha: our hba card information
3486  * @piomb: IO message buffer
3487  */
3488 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3489 {
3490 	unsigned long flags, i;
3491 	struct hw_event_resp *pPayload =
3492 		(struct hw_event_resp *)(piomb + 4);
3493 	u32 lr_status_evt_portid =
3494 		le32_to_cpu(pPayload->lr_status_evt_portid);
3495 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3496 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3497 	u8 phy_id =
3498 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3499 	u16 eventType =
3500 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3501 	u8 status =
3502 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3503 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3504 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3505 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3506 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3507 	pm8001_dbg(pm8001_ha, DEV,
3508 		   "portid:%d phyid:%d event:0x%x status:0x%x\n",
3509 		   port_id, phy_id, eventType, status);
3510 
3511 	switch (eventType) {
3512 
3513 	case HW_EVENT_SAS_PHY_UP:
3514 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3515 		hw_event_sas_phy_up(pm8001_ha, piomb);
3516 		break;
3517 	case HW_EVENT_SATA_PHY_UP:
3518 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3519 		hw_event_sata_phy_up(pm8001_ha, piomb);
3520 		break;
3521 	case HW_EVENT_SATA_SPINUP_HOLD:
3522 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3523 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3524 		break;
3525 	case HW_EVENT_PHY_DOWN:
3526 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3527 		hw_event_phy_down(pm8001_ha, piomb);
3528 		if (pm8001_ha->reset_in_progress) {
3529 			pm8001_dbg(pm8001_ha, MSG, "Reset in progress\n");
3530 			return 0;
3531 		}
3532 		phy->phy_attached = 0;
3533 		phy->phy_state = PHY_LINK_DISABLE;
3534 		break;
3535 	case HW_EVENT_PORT_INVALID:
3536 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3537 		sas_phy_disconnected(sas_phy);
3538 		phy->phy_attached = 0;
3539 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3540 		break;
3541 	/* the broadcast change primitive received, tell the LIBSAS this event
3542 	to revalidate the sas domain*/
3543 	case HW_EVENT_BROADCAST_CHANGE:
3544 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3545 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3546 			port_id, phy_id, 1, 0);
3547 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3548 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3549 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3550 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3551 		break;
3552 	case HW_EVENT_PHY_ERROR:
3553 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3554 		sas_phy_disconnected(&phy->sas_phy);
3555 		phy->phy_attached = 0;
3556 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3557 		break;
3558 	case HW_EVENT_BROADCAST_EXP:
3559 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3560 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3561 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3562 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3563 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3564 		break;
3565 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3566 		pm8001_dbg(pm8001_ha, MSG,
3567 			   "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3568 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3569 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3570 		break;
3571 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3572 		pm8001_dbg(pm8001_ha, MSG,
3573 			   "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3574 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3575 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3576 			port_id, phy_id, 0, 0);
3577 		break;
3578 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3579 		pm8001_dbg(pm8001_ha, MSG,
3580 			   "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3581 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3582 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3583 			port_id, phy_id, 0, 0);
3584 		break;
3585 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3586 		pm8001_dbg(pm8001_ha, MSG,
3587 			   "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3588 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3589 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3590 			port_id, phy_id, 0, 0);
3591 		break;
3592 	case HW_EVENT_MALFUNCTION:
3593 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3594 		break;
3595 	case HW_EVENT_BROADCAST_SES:
3596 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3597 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3598 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3599 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3600 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3601 		break;
3602 	case HW_EVENT_INBOUND_CRC_ERROR:
3603 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3604 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3605 			HW_EVENT_INBOUND_CRC_ERROR,
3606 			port_id, phy_id, 0, 0);
3607 		break;
3608 	case HW_EVENT_HARD_RESET_RECEIVED:
3609 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3610 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3611 		break;
3612 	case HW_EVENT_ID_FRAME_TIMEOUT:
3613 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3614 		sas_phy_disconnected(sas_phy);
3615 		phy->phy_attached = 0;
3616 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3617 		break;
3618 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3619 		pm8001_dbg(pm8001_ha, MSG,
3620 			   "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3621 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3622 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3623 			port_id, phy_id, 0, 0);
3624 		sas_phy_disconnected(sas_phy);
3625 		phy->phy_attached = 0;
3626 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3627 		break;
3628 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3629 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3630 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3631 			port_id, phy_id, 0, 0);
3632 		sas_phy_disconnected(sas_phy);
3633 		phy->phy_attached = 0;
3634 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3635 		if (pm8001_ha->phy[phy_id].reset_completion) {
3636 			pm8001_ha->phy[phy_id].port_reset_status =
3637 					PORT_RESET_TMO;
3638 			complete(pm8001_ha->phy[phy_id].reset_completion);
3639 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3640 		}
3641 		break;
3642 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3643 		pm8001_dbg(pm8001_ha, MSG,
3644 			   "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3645 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3646 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3647 			port_id, phy_id, 0, 0);
3648 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3649 			if (port->wide_port_phymap & (1 << i)) {
3650 				phy = &pm8001_ha->phy[i];
3651 				sas_ha->notify_phy_event(&phy->sas_phy,
3652 						PHYE_LOSS_OF_SIGNAL);
3653 				port->wide_port_phymap &= ~(1 << i);
3654 			}
3655 		}
3656 		break;
3657 	case HW_EVENT_PORT_RECOVER:
3658 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3659 		hw_event_port_recover(pm8001_ha, piomb);
3660 		break;
3661 	case HW_EVENT_PORT_RESET_COMPLETE:
3662 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3663 		if (pm8001_ha->phy[phy_id].reset_completion) {
3664 			pm8001_ha->phy[phy_id].port_reset_status =
3665 					PORT_RESET_SUCCESS;
3666 			complete(pm8001_ha->phy[phy_id].reset_completion);
3667 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3668 		}
3669 		break;
3670 	case EVENT_BROADCAST_ASYNCH_EVENT:
3671 		pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3672 		break;
3673 	default:
3674 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type 0x%x\n",
3675 			   eventType);
3676 		break;
3677 	}
3678 	return 0;
3679 }
3680 
3681 /**
3682  * mpi_phy_stop_resp - SPCv specific
3683  * @pm8001_ha: our hba card information
3684  * @piomb: IO message buffer
3685  */
3686 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3687 {
3688 	struct phy_stop_resp *pPayload =
3689 		(struct phy_stop_resp *)(piomb + 4);
3690 	u32 status =
3691 		le32_to_cpu(pPayload->status);
3692 	u32 phyid =
3693 		le32_to_cpu(pPayload->phyid) & 0xFF;
3694 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3695 	pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
3696 		   phyid, status);
3697 	if (status == PHY_STOP_SUCCESS ||
3698 		status == PHY_STOP_ERR_DEVICE_ATTACHED)
3699 		phy->phy_state = PHY_LINK_DISABLE;
3700 	return 0;
3701 }
3702 
3703 /**
3704  * mpi_set_controller_config_resp - SPCv specific
3705  * @pm8001_ha: our hba card information
3706  * @piomb: IO message buffer
3707  */
3708 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3709 			void *piomb)
3710 {
3711 	struct set_ctrl_cfg_resp *pPayload =
3712 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3713 	u32 status = le32_to_cpu(pPayload->status);
3714 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3715 
3716 	pm8001_dbg(pm8001_ha, MSG,
3717 		   "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3718 		   status, err_qlfr_pgcd);
3719 
3720 	return 0;
3721 }
3722 
3723 /**
3724  * mpi_get_controller_config_resp - SPCv specific
3725  * @pm8001_ha: our hba card information
3726  * @piomb: IO message buffer
3727  */
3728 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3729 			void *piomb)
3730 {
3731 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3732 
3733 	return 0;
3734 }
3735 
3736 /**
3737  * mpi_get_phy_profile_resp - SPCv specific
3738  * @pm8001_ha: our hba card information
3739  * @piomb: IO message buffer
3740  */
3741 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3742 			void *piomb)
3743 {
3744 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3745 
3746 	return 0;
3747 }
3748 
3749 /**
3750  * mpi_flash_op_ext_resp - SPCv specific
3751  * @pm8001_ha: our hba card information
3752  * @piomb: IO message buffer
3753  */
3754 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3755 {
3756 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3757 
3758 	return 0;
3759 }
3760 
3761 /**
3762  * mpi_set_phy_profile_resp - SPCv specific
3763  * @pm8001_ha: our hba card information
3764  * @piomb: IO message buffer
3765  */
3766 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3767 			void *piomb)
3768 {
3769 	u32 tag;
3770 	u8 page_code;
3771 	int rc = 0;
3772 	struct set_phy_profile_resp *pPayload =
3773 		(struct set_phy_profile_resp *)(piomb + 4);
3774 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3775 	u32 status = le32_to_cpu(pPayload->status);
3776 
3777 	tag = le32_to_cpu(pPayload->tag);
3778 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3779 	if (status) {
3780 		/* status is FAILED */
3781 		pm8001_dbg(pm8001_ha, FAIL,
3782 			   "PhyProfile command failed  with status 0x%08X\n",
3783 			   status);
3784 		rc = -1;
3785 	} else {
3786 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3787 			pm8001_dbg(pm8001_ha, FAIL, "Invalid page code 0x%X\n",
3788 				   page_code);
3789 			rc = -1;
3790 		}
3791 	}
3792 	pm8001_tag_free(pm8001_ha, tag);
3793 	return rc;
3794 }
3795 
3796 /**
3797  * mpi_kek_management_resp - SPCv specific
3798  * @pm8001_ha: our hba card information
3799  * @piomb: IO message buffer
3800  */
3801 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3802 			void *piomb)
3803 {
3804 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3805 
3806 	u32 status = le32_to_cpu(pPayload->status);
3807 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3808 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3809 
3810 	pm8001_dbg(pm8001_ha, MSG,
3811 		   "KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3812 		   status, kidx_new_curr_ksop, err_qlfr);
3813 
3814 	return 0;
3815 }
3816 
3817 /**
3818  * mpi_dek_management_resp - SPCv specific
3819  * @pm8001_ha: our hba card information
3820  * @piomb: IO message buffer
3821  */
3822 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3823 			void *piomb)
3824 {
3825 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3826 
3827 	return 0;
3828 }
3829 
3830 /**
3831  * ssp_coalesced_comp_resp - SPCv specific
3832  * @pm8001_ha: our hba card information
3833  * @piomb: IO message buffer
3834  */
3835 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3836 			void *piomb)
3837 {
3838 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3839 
3840 	return 0;
3841 }
3842 
3843 /**
3844  * process_one_iomb - process one outbound Queue memory block
3845  * @pm8001_ha: our hba card information
3846  * @piomb: IO message buffer
3847  */
3848 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3849 {
3850 	__le32 pHeader = *(__le32 *)piomb;
3851 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3852 
3853 	switch (opc) {
3854 	case OPC_OUB_ECHO:
3855 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3856 		break;
3857 	case OPC_OUB_HW_EVENT:
3858 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3859 		mpi_hw_event(pm8001_ha, piomb);
3860 		break;
3861 	case OPC_OUB_THERM_HW_EVENT:
3862 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_THERMAL_EVENT\n");
3863 		mpi_thermal_hw_event(pm8001_ha, piomb);
3864 		break;
3865 	case OPC_OUB_SSP_COMP:
3866 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3867 		mpi_ssp_completion(pm8001_ha, piomb);
3868 		break;
3869 	case OPC_OUB_SMP_COMP:
3870 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3871 		mpi_smp_completion(pm8001_ha, piomb);
3872 		break;
3873 	case OPC_OUB_LOCAL_PHY_CNTRL:
3874 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3875 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3876 		break;
3877 	case OPC_OUB_DEV_REGIST:
3878 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3879 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3880 		break;
3881 	case OPC_OUB_DEREG_DEV:
3882 		pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3883 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3884 		break;
3885 	case OPC_OUB_GET_DEV_HANDLE:
3886 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3887 		break;
3888 	case OPC_OUB_SATA_COMP:
3889 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3890 		mpi_sata_completion(pm8001_ha, piomb);
3891 		break;
3892 	case OPC_OUB_SATA_EVENT:
3893 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3894 		mpi_sata_event(pm8001_ha, piomb);
3895 		break;
3896 	case OPC_OUB_SSP_EVENT:
3897 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3898 		mpi_ssp_event(pm8001_ha, piomb);
3899 		break;
3900 	case OPC_OUB_DEV_HANDLE_ARRIV:
3901 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3902 		/*This is for target*/
3903 		break;
3904 	case OPC_OUB_SSP_RECV_EVENT:
3905 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3906 		/*This is for target*/
3907 		break;
3908 	case OPC_OUB_FW_FLASH_UPDATE:
3909 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3910 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3911 		break;
3912 	case OPC_OUB_GPIO_RESPONSE:
3913 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3914 		break;
3915 	case OPC_OUB_GPIO_EVENT:
3916 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3917 		break;
3918 	case OPC_OUB_GENERAL_EVENT:
3919 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3920 		pm8001_mpi_general_event(pm8001_ha, piomb);
3921 		break;
3922 	case OPC_OUB_SSP_ABORT_RSP:
3923 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3924 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3925 		break;
3926 	case OPC_OUB_SATA_ABORT_RSP:
3927 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3928 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3929 		break;
3930 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3931 		pm8001_dbg(pm8001_ha, MSG,
3932 			   "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3933 		break;
3934 	case OPC_OUB_SAS_DIAG_EXECUTE:
3935 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3936 		break;
3937 	case OPC_OUB_GET_TIME_STAMP:
3938 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3939 		break;
3940 	case OPC_OUB_SAS_HW_EVENT_ACK:
3941 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3942 		break;
3943 	case OPC_OUB_PORT_CONTROL:
3944 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
3945 		break;
3946 	case OPC_OUB_SMP_ABORT_RSP:
3947 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3948 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3949 		break;
3950 	case OPC_OUB_GET_NVMD_DATA:
3951 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3952 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3953 		break;
3954 	case OPC_OUB_SET_NVMD_DATA:
3955 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3956 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3957 		break;
3958 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3959 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
3960 		break;
3961 	case OPC_OUB_SET_DEVICE_STATE:
3962 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
3963 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3964 		break;
3965 	case OPC_OUB_GET_DEVICE_STATE:
3966 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
3967 		break;
3968 	case OPC_OUB_SET_DEV_INFO:
3969 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
3970 		break;
3971 	/* spcv specifc commands */
3972 	case OPC_OUB_PHY_START_RESP:
3973 		pm8001_dbg(pm8001_ha, MSG,
3974 			   "OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
3975 		mpi_phy_start_resp(pm8001_ha, piomb);
3976 		break;
3977 	case OPC_OUB_PHY_STOP_RESP:
3978 		pm8001_dbg(pm8001_ha, MSG,
3979 			   "OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc);
3980 		mpi_phy_stop_resp(pm8001_ha, piomb);
3981 		break;
3982 	case OPC_OUB_SET_CONTROLLER_CONFIG:
3983 		pm8001_dbg(pm8001_ha, MSG,
3984 			   "OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc);
3985 		mpi_set_controller_config_resp(pm8001_ha, piomb);
3986 		break;
3987 	case OPC_OUB_GET_CONTROLLER_CONFIG:
3988 		pm8001_dbg(pm8001_ha, MSG,
3989 			   "OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc);
3990 		mpi_get_controller_config_resp(pm8001_ha, piomb);
3991 		break;
3992 	case OPC_OUB_GET_PHY_PROFILE:
3993 		pm8001_dbg(pm8001_ha, MSG,
3994 			   "OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc);
3995 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
3996 		break;
3997 	case OPC_OUB_FLASH_OP_EXT:
3998 		pm8001_dbg(pm8001_ha, MSG,
3999 			   "OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc);
4000 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
4001 		break;
4002 	case OPC_OUB_SET_PHY_PROFILE:
4003 		pm8001_dbg(pm8001_ha, MSG,
4004 			   "OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc);
4005 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
4006 		break;
4007 	case OPC_OUB_KEK_MANAGEMENT_RESP:
4008 		pm8001_dbg(pm8001_ha, MSG,
4009 			   "OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc);
4010 		mpi_kek_management_resp(pm8001_ha, piomb);
4011 		break;
4012 	case OPC_OUB_DEK_MANAGEMENT_RESP:
4013 		pm8001_dbg(pm8001_ha, MSG,
4014 			   "OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc);
4015 		mpi_dek_management_resp(pm8001_ha, piomb);
4016 		break;
4017 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
4018 		pm8001_dbg(pm8001_ha, MSG,
4019 			   "OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc);
4020 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
4021 		break;
4022 	default:
4023 		pm8001_dbg(pm8001_ha, DEVIO,
4024 			   "Unknown outbound Queue IOMB OPC = 0x%x\n", opc);
4025 		break;
4026 	}
4027 }
4028 
4029 static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
4030 {
4031 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_0: 0x%x\n",
4032 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
4033 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_1:0x%x\n",
4034 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1));
4035 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_2: 0x%x\n",
4036 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2));
4037 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_3: 0x%x\n",
4038 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
4039 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
4040 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0));
4041 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
4042 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1));
4043 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
4044 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2));
4045 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
4046 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3));
4047 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
4048 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4));
4049 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
4050 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5));
4051 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
4052 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6));
4053 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
4054 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7));
4055 }
4056 
4057 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4058 {
4059 	struct outbound_queue_table *circularQ;
4060 	void *pMsg1 = NULL;
4061 	u8 bc;
4062 	u32 ret = MPI_IO_STATUS_FAIL;
4063 	unsigned long flags;
4064 	u32 regval;
4065 
4066 	if (vec == (pm8001_ha->max_q_num - 1)) {
4067 		regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
4068 		if ((regval & SCRATCH_PAD_MIPSALL_READY) !=
4069 					SCRATCH_PAD_MIPSALL_READY) {
4070 			pm8001_ha->controller_fatal_error = true;
4071 			pm8001_dbg(pm8001_ha, FAIL,
4072 				   "Firmware Fatal error! Regval:0x%x\n",
4073 				   regval);
4074 			print_scratchpad_registers(pm8001_ha);
4075 			return ret;
4076 		}
4077 	}
4078 	spin_lock_irqsave(&pm8001_ha->lock, flags);
4079 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4080 	do {
4081 		/* spurious interrupt during setup if kexec-ing and
4082 		 * driver doing a doorbell access w/ the pre-kexec oq
4083 		 * interrupt setup.
4084 		 */
4085 		if (!circularQ->pi_virt)
4086 			break;
4087 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4088 		if (MPI_IO_STATUS_SUCCESS == ret) {
4089 			/* process the outbound message */
4090 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
4091 			/* free the message from the outbound circular buffer */
4092 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4093 							circularQ, bc);
4094 		}
4095 		if (MPI_IO_STATUS_BUSY == ret) {
4096 			/* Update the producer index from SPC */
4097 			circularQ->producer_index =
4098 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4099 			if (le32_to_cpu(circularQ->producer_index) ==
4100 				circularQ->consumer_idx)
4101 				/* OQ is empty */
4102 				break;
4103 		}
4104 	} while (1);
4105 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4106 	return ret;
4107 }
4108 
4109 /* DMA_... to our direction translation. */
4110 static const u8 data_dir_flags[] = {
4111 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4112 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4113 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4114 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4115 };
4116 
4117 static void build_smp_cmd(u32 deviceID, __le32 hTag,
4118 			struct smp_req *psmp_cmd, int mode, int length)
4119 {
4120 	psmp_cmd->tag = hTag;
4121 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4122 	if (mode == SMP_DIRECT) {
4123 		length = length - 4; /* subtract crc */
4124 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
4125 	} else {
4126 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4127 	}
4128 }
4129 
4130 /**
4131  * pm8001_chip_smp_req - send a SMP task to FW
4132  * @pm8001_ha: our hba card information.
4133  * @ccb: the ccb information this request used.
4134  */
4135 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4136 	struct pm8001_ccb_info *ccb)
4137 {
4138 	int elem, rc;
4139 	struct sas_task *task = ccb->task;
4140 	struct domain_device *dev = task->dev;
4141 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4142 	struct scatterlist *sg_req, *sg_resp;
4143 	u32 req_len, resp_len;
4144 	struct smp_req smp_cmd;
4145 	u32 opc;
4146 	struct inbound_queue_table *circularQ;
4147 	char *preq_dma_addr = NULL;
4148 	__le64 tmp_addr;
4149 	u32 i, length;
4150 
4151 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4152 	/*
4153 	 * DMA-map SMP request, response buffers
4154 	 */
4155 	sg_req = &task->smp_task.smp_req;
4156 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4157 	if (!elem)
4158 		return -ENOMEM;
4159 	req_len = sg_dma_len(sg_req);
4160 
4161 	sg_resp = &task->smp_task.smp_resp;
4162 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4163 	if (!elem) {
4164 		rc = -ENOMEM;
4165 		goto err_out;
4166 	}
4167 	resp_len = sg_dma_len(sg_resp);
4168 	/* must be in dwords */
4169 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4170 		rc = -EINVAL;
4171 		goto err_out_2;
4172 	}
4173 
4174 	opc = OPC_INB_SMP_REQUEST;
4175 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4176 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4177 
4178 	length = sg_req->length;
4179 	pm8001_dbg(pm8001_ha, IO, "SMP Frame Length %d\n", sg_req->length);
4180 	if (!(length - 8))
4181 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
4182 	else
4183 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
4184 
4185 
4186 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4187 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
4188 
4189 	/* INDIRECT MODE command settings. Use DMA */
4190 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
4191 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST INDIRECT MODE\n");
4192 		/* for SPCv indirect mode. Place the top 4 bytes of
4193 		 * SMP Request header here. */
4194 		for (i = 0; i < 4; i++)
4195 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
4196 		/* exclude top 4 bytes for SMP req header */
4197 		smp_cmd.long_smp_req.long_req_addr =
4198 			cpu_to_le64((u64)sg_dma_address
4199 				(&task->smp_task.smp_req) + 4);
4200 		/* exclude 4 bytes for SMP req header and CRC */
4201 		smp_cmd.long_smp_req.long_req_size =
4202 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
4203 		smp_cmd.long_smp_req.long_resp_addr =
4204 				cpu_to_le64((u64)sg_dma_address
4205 					(&task->smp_task.smp_resp));
4206 		smp_cmd.long_smp_req.long_resp_size =
4207 				cpu_to_le32((u32)sg_dma_len
4208 					(&task->smp_task.smp_resp)-4);
4209 	} else { /* DIRECT MODE */
4210 		smp_cmd.long_smp_req.long_req_addr =
4211 			cpu_to_le64((u64)sg_dma_address
4212 					(&task->smp_task.smp_req));
4213 		smp_cmd.long_smp_req.long_req_size =
4214 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4215 		smp_cmd.long_smp_req.long_resp_addr =
4216 			cpu_to_le64((u64)sg_dma_address
4217 				(&task->smp_task.smp_resp));
4218 		smp_cmd.long_smp_req.long_resp_size =
4219 			cpu_to_le32
4220 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4221 	}
4222 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
4223 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST DIRECT MODE\n");
4224 		for (i = 0; i < length; i++)
4225 			if (i < 16) {
4226 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
4227 				pm8001_dbg(pm8001_ha, IO,
4228 					   "Byte[%d]:%x (DMA data:%x)\n",
4229 					   i, smp_cmd.smp_req16[i],
4230 					   *(preq_dma_addr));
4231 			} else {
4232 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
4233 				pm8001_dbg(pm8001_ha, IO,
4234 					   "Byte[%d]:%x (DMA data:%x)\n",
4235 					   i, smp_cmd.smp_req[i],
4236 					   *(preq_dma_addr));
4237 			}
4238 	}
4239 
4240 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
4241 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
4242 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &smp_cmd,
4243 			sizeof(smp_cmd), 0);
4244 	if (rc)
4245 		goto err_out_2;
4246 	return 0;
4247 
4248 err_out_2:
4249 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4250 			DMA_FROM_DEVICE);
4251 err_out:
4252 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4253 			DMA_TO_DEVICE);
4254 	return rc;
4255 }
4256 
4257 static int check_enc_sas_cmd(struct sas_task *task)
4258 {
4259 	u8 cmd = task->ssp_task.cmd->cmnd[0];
4260 
4261 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4262 		return 1;
4263 	else
4264 		return 0;
4265 }
4266 
4267 static int check_enc_sat_cmd(struct sas_task *task)
4268 {
4269 	int ret = 0;
4270 	switch (task->ata_task.fis.command) {
4271 	case ATA_CMD_FPDMA_READ:
4272 	case ATA_CMD_READ_EXT:
4273 	case ATA_CMD_READ:
4274 	case ATA_CMD_FPDMA_WRITE:
4275 	case ATA_CMD_WRITE_EXT:
4276 	case ATA_CMD_WRITE:
4277 	case ATA_CMD_PIO_READ:
4278 	case ATA_CMD_PIO_READ_EXT:
4279 	case ATA_CMD_PIO_WRITE:
4280 	case ATA_CMD_PIO_WRITE_EXT:
4281 		ret = 1;
4282 		break;
4283 	default:
4284 		ret = 0;
4285 		break;
4286 	}
4287 	return ret;
4288 }
4289 
4290 /**
4291  * pm80xx_chip_ssp_io_req - send a SSP task to FW
4292  * @pm8001_ha: our hba card information.
4293  * @ccb: the ccb information this request used.
4294  */
4295 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4296 	struct pm8001_ccb_info *ccb)
4297 {
4298 	struct sas_task *task = ccb->task;
4299 	struct domain_device *dev = task->dev;
4300 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4301 	struct ssp_ini_io_start_req ssp_cmd;
4302 	u32 tag = ccb->ccb_tag;
4303 	int ret;
4304 	u64 phys_addr, start_addr, end_addr;
4305 	u32 end_addr_high, end_addr_low;
4306 	struct inbound_queue_table *circularQ;
4307 	u32 q_index, cpu_id;
4308 	u32 opc = OPC_INB_SSPINIIOSTART;
4309 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4310 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4311 	/* data address domain added for spcv; set to 0 by host,
4312 	 * used internally by controller
4313 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4314 	 */
4315 	ssp_cmd.dad_dir_m_tlr =
4316 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4317 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4318 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4319 	ssp_cmd.tag = cpu_to_le32(tag);
4320 	if (task->ssp_task.enable_first_burst)
4321 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4322 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4323 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4324 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4325 		       task->ssp_task.cmd->cmd_len);
4326 	cpu_id = smp_processor_id();
4327 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4328 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4329 
4330 	/* Check if encryption is set */
4331 	if (pm8001_ha->chip->encrypt &&
4332 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4333 		pm8001_dbg(pm8001_ha, IO,
4334 			   "Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4335 			   task->ssp_task.cmd->cmnd[0]);
4336 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4337 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4338 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4339 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4340 
4341 		/* fill in PRD (scatter/gather) table, if any */
4342 		if (task->num_scatter > 1) {
4343 			pm8001_chip_make_sg(task->scatter,
4344 						ccb->n_elem, ccb->buf_prd);
4345 			phys_addr = ccb->ccb_dma_handle;
4346 			ssp_cmd.enc_addr_low =
4347 				cpu_to_le32(lower_32_bits(phys_addr));
4348 			ssp_cmd.enc_addr_high =
4349 				cpu_to_le32(upper_32_bits(phys_addr));
4350 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4351 		} else if (task->num_scatter == 1) {
4352 			u64 dma_addr = sg_dma_address(task->scatter);
4353 			ssp_cmd.enc_addr_low =
4354 				cpu_to_le32(lower_32_bits(dma_addr));
4355 			ssp_cmd.enc_addr_high =
4356 				cpu_to_le32(upper_32_bits(dma_addr));
4357 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4358 			ssp_cmd.enc_esgl = 0;
4359 			/* Check 4G Boundary */
4360 			start_addr = cpu_to_le64(dma_addr);
4361 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4362 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4363 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4364 			if (end_addr_high != ssp_cmd.enc_addr_high) {
4365 				pm8001_dbg(pm8001_ha, FAIL,
4366 					   "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",
4367 					   start_addr, ssp_cmd.enc_len,
4368 					   end_addr_high, end_addr_low);
4369 				pm8001_chip_make_sg(task->scatter, 1,
4370 					ccb->buf_prd);
4371 				phys_addr = ccb->ccb_dma_handle;
4372 				ssp_cmd.enc_addr_low =
4373 					cpu_to_le32(lower_32_bits(phys_addr));
4374 				ssp_cmd.enc_addr_high =
4375 					cpu_to_le32(upper_32_bits(phys_addr));
4376 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4377 			}
4378 		} else if (task->num_scatter == 0) {
4379 			ssp_cmd.enc_addr_low = 0;
4380 			ssp_cmd.enc_addr_high = 0;
4381 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4382 			ssp_cmd.enc_esgl = 0;
4383 		}
4384 		/* XTS mode. All other fields are 0 */
4385 		ssp_cmd.key_cmode = 0x6 << 4;
4386 		/* set tweak values. Should be the start lba */
4387 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4388 						(task->ssp_task.cmd->cmnd[3] << 16) |
4389 						(task->ssp_task.cmd->cmnd[4] << 8) |
4390 						(task->ssp_task.cmd->cmnd[5]));
4391 	} else {
4392 		pm8001_dbg(pm8001_ha, IO,
4393 			   "Sending Normal SAS command 0x%x inb q %x\n",
4394 			   task->ssp_task.cmd->cmnd[0], q_index);
4395 		/* fill in PRD (scatter/gather) table, if any */
4396 		if (task->num_scatter > 1) {
4397 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4398 					ccb->buf_prd);
4399 			phys_addr = ccb->ccb_dma_handle;
4400 			ssp_cmd.addr_low =
4401 				cpu_to_le32(lower_32_bits(phys_addr));
4402 			ssp_cmd.addr_high =
4403 				cpu_to_le32(upper_32_bits(phys_addr));
4404 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4405 		} else if (task->num_scatter == 1) {
4406 			u64 dma_addr = sg_dma_address(task->scatter);
4407 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4408 			ssp_cmd.addr_high =
4409 				cpu_to_le32(upper_32_bits(dma_addr));
4410 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4411 			ssp_cmd.esgl = 0;
4412 			/* Check 4G Boundary */
4413 			start_addr = cpu_to_le64(dma_addr);
4414 			end_addr = (start_addr + ssp_cmd.len) - 1;
4415 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4416 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4417 			if (end_addr_high != ssp_cmd.addr_high) {
4418 				pm8001_dbg(pm8001_ha, FAIL,
4419 					   "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",
4420 					   start_addr, ssp_cmd.len,
4421 					   end_addr_high, end_addr_low);
4422 				pm8001_chip_make_sg(task->scatter, 1,
4423 					ccb->buf_prd);
4424 				phys_addr = ccb->ccb_dma_handle;
4425 				ssp_cmd.addr_low =
4426 					cpu_to_le32(lower_32_bits(phys_addr));
4427 				ssp_cmd.addr_high =
4428 					cpu_to_le32(upper_32_bits(phys_addr));
4429 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4430 			}
4431 		} else if (task->num_scatter == 0) {
4432 			ssp_cmd.addr_low = 0;
4433 			ssp_cmd.addr_high = 0;
4434 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4435 			ssp_cmd.esgl = 0;
4436 		}
4437 	}
4438 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4439 			&ssp_cmd, sizeof(ssp_cmd), q_index);
4440 	return ret;
4441 }
4442 
4443 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4444 	struct pm8001_ccb_info *ccb)
4445 {
4446 	struct sas_task *task = ccb->task;
4447 	struct domain_device *dev = task->dev;
4448 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4449 	u32 tag = ccb->ccb_tag;
4450 	int ret;
4451 	u32 q_index, cpu_id;
4452 	struct sata_start_req sata_cmd;
4453 	u32 hdr_tag, ncg_tag = 0;
4454 	u64 phys_addr, start_addr, end_addr;
4455 	u32 end_addr_high, end_addr_low;
4456 	u32 ATAP = 0x0;
4457 	u32 dir;
4458 	struct inbound_queue_table *circularQ;
4459 	unsigned long flags;
4460 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4461 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4462 	cpu_id = smp_processor_id();
4463 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4464 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4465 
4466 	if (task->data_dir == DMA_NONE) {
4467 		ATAP = 0x04; /* no data*/
4468 		pm8001_dbg(pm8001_ha, IO, "no data\n");
4469 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4470 		if (task->ata_task.dma_xfer) {
4471 			ATAP = 0x06; /* DMA */
4472 			pm8001_dbg(pm8001_ha, IO, "DMA\n");
4473 		} else {
4474 			ATAP = 0x05; /* PIO*/
4475 			pm8001_dbg(pm8001_ha, IO, "PIO\n");
4476 		}
4477 		if (task->ata_task.use_ncq &&
4478 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4479 			ATAP = 0x07; /* FPDMA */
4480 			pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4481 		}
4482 	}
4483 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4484 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4485 		ncg_tag = hdr_tag;
4486 	}
4487 	dir = data_dir_flags[task->data_dir] << 8;
4488 	sata_cmd.tag = cpu_to_le32(tag);
4489 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4490 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4491 
4492 	sata_cmd.sata_fis = task->ata_task.fis;
4493 	if (likely(!task->ata_task.device_control_reg_update))
4494 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4495 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4496 
4497 	/* Check if encryption is set */
4498 	if (pm8001_ha->chip->encrypt &&
4499 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4500 		pm8001_dbg(pm8001_ha, IO,
4501 			   "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4502 			   sata_cmd.sata_fis.command);
4503 		opc = OPC_INB_SATA_DIF_ENC_IO;
4504 
4505 		/* set encryption bit */
4506 		sata_cmd.ncqtag_atap_dir_m_dad =
4507 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4508 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4509 							/* dad (bit 0-1) is 0 */
4510 		/* fill in PRD (scatter/gather) table, if any */
4511 		if (task->num_scatter > 1) {
4512 			pm8001_chip_make_sg(task->scatter,
4513 						ccb->n_elem, ccb->buf_prd);
4514 			phys_addr = ccb->ccb_dma_handle;
4515 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4516 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4517 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4518 		} else if (task->num_scatter == 1) {
4519 			u64 dma_addr = sg_dma_address(task->scatter);
4520 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4521 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4522 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4523 			sata_cmd.enc_esgl = 0;
4524 			/* Check 4G Boundary */
4525 			start_addr = cpu_to_le64(dma_addr);
4526 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4527 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4528 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4529 			if (end_addr_high != sata_cmd.enc_addr_high) {
4530 				pm8001_dbg(pm8001_ha, FAIL,
4531 					   "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",
4532 					   start_addr, sata_cmd.enc_len,
4533 					   end_addr_high, end_addr_low);
4534 				pm8001_chip_make_sg(task->scatter, 1,
4535 					ccb->buf_prd);
4536 				phys_addr = ccb->ccb_dma_handle;
4537 				sata_cmd.enc_addr_low =
4538 					lower_32_bits(phys_addr);
4539 				sata_cmd.enc_addr_high =
4540 					upper_32_bits(phys_addr);
4541 				sata_cmd.enc_esgl =
4542 					cpu_to_le32(1 << 31);
4543 			}
4544 		} else if (task->num_scatter == 0) {
4545 			sata_cmd.enc_addr_low = 0;
4546 			sata_cmd.enc_addr_high = 0;
4547 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4548 			sata_cmd.enc_esgl = 0;
4549 		}
4550 		/* XTS mode. All other fields are 0 */
4551 		sata_cmd.key_index_mode = 0x6 << 4;
4552 		/* set tweak values. Should be the start lba */
4553 		sata_cmd.twk_val0 =
4554 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4555 					(sata_cmd.sata_fis.lbah << 16) |
4556 					(sata_cmd.sata_fis.lbam << 8) |
4557 					(sata_cmd.sata_fis.lbal));
4558 		sata_cmd.twk_val1 =
4559 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4560 					 (sata_cmd.sata_fis.lbam_exp));
4561 	} else {
4562 		pm8001_dbg(pm8001_ha, IO,
4563 			   "Sending Normal SATA command 0x%x inb %x\n",
4564 			   sata_cmd.sata_fis.command, q_index);
4565 		/* dad (bit 0-1) is 0 */
4566 		sata_cmd.ncqtag_atap_dir_m_dad =
4567 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4568 					((ATAP & 0x3f) << 10) | dir);
4569 
4570 		/* fill in PRD (scatter/gather) table, if any */
4571 		if (task->num_scatter > 1) {
4572 			pm8001_chip_make_sg(task->scatter,
4573 					ccb->n_elem, ccb->buf_prd);
4574 			phys_addr = ccb->ccb_dma_handle;
4575 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4576 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4577 			sata_cmd.esgl = cpu_to_le32(1 << 31);
4578 		} else if (task->num_scatter == 1) {
4579 			u64 dma_addr = sg_dma_address(task->scatter);
4580 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4581 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4582 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4583 			sata_cmd.esgl = 0;
4584 			/* Check 4G Boundary */
4585 			start_addr = cpu_to_le64(dma_addr);
4586 			end_addr = (start_addr + sata_cmd.len) - 1;
4587 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4588 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4589 			if (end_addr_high != sata_cmd.addr_high) {
4590 				pm8001_dbg(pm8001_ha, FAIL,
4591 					   "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",
4592 					   start_addr, sata_cmd.len,
4593 					   end_addr_high, end_addr_low);
4594 				pm8001_chip_make_sg(task->scatter, 1,
4595 					ccb->buf_prd);
4596 				phys_addr = ccb->ccb_dma_handle;
4597 				sata_cmd.addr_low =
4598 					lower_32_bits(phys_addr);
4599 				sata_cmd.addr_high =
4600 					upper_32_bits(phys_addr);
4601 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4602 			}
4603 		} else if (task->num_scatter == 0) {
4604 			sata_cmd.addr_low = 0;
4605 			sata_cmd.addr_high = 0;
4606 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4607 			sata_cmd.esgl = 0;
4608 		}
4609 		/* scsi cdb */
4610 		sata_cmd.atapi_scsi_cdb[0] =
4611 			cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4612 			(task->ata_task.atapi_packet[1] << 8) |
4613 			(task->ata_task.atapi_packet[2] << 16) |
4614 			(task->ata_task.atapi_packet[3] << 24)));
4615 		sata_cmd.atapi_scsi_cdb[1] =
4616 			cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4617 			(task->ata_task.atapi_packet[5] << 8) |
4618 			(task->ata_task.atapi_packet[6] << 16) |
4619 			(task->ata_task.atapi_packet[7] << 24)));
4620 		sata_cmd.atapi_scsi_cdb[2] =
4621 			cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4622 			(task->ata_task.atapi_packet[9] << 8) |
4623 			(task->ata_task.atapi_packet[10] << 16) |
4624 			(task->ata_task.atapi_packet[11] << 24)));
4625 		sata_cmd.atapi_scsi_cdb[3] =
4626 			cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4627 			(task->ata_task.atapi_packet[13] << 8) |
4628 			(task->ata_task.atapi_packet[14] << 16) |
4629 			(task->ata_task.atapi_packet[15] << 24)));
4630 	}
4631 
4632 	/* Check for read log for failed drive and return */
4633 	if (sata_cmd.sata_fis.command == 0x2f) {
4634 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4635 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4636 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4637 			struct task_status_struct *ts;
4638 
4639 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4640 			ts = &task->task_status;
4641 
4642 			spin_lock_irqsave(&task->task_state_lock, flags);
4643 			ts->resp = SAS_TASK_COMPLETE;
4644 			ts->stat = SAM_STAT_GOOD;
4645 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4646 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4647 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4648 			if (unlikely((task->task_state_flags &
4649 					SAS_TASK_STATE_ABORTED))) {
4650 				spin_unlock_irqrestore(&task->task_state_lock,
4651 							flags);
4652 				pm8001_dbg(pm8001_ha, FAIL,
4653 					   "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4654 					   task, ts->resp,
4655 					   ts->stat);
4656 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4657 				return 0;
4658 			} else {
4659 				spin_unlock_irqrestore(&task->task_state_lock,
4660 							flags);
4661 				pm8001_ccb_task_free_done(pm8001_ha, task,
4662 								ccb, tag);
4663 				atomic_dec(&pm8001_ha_dev->running_req);
4664 				return 0;
4665 			}
4666 		}
4667 	}
4668 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4669 			&sata_cmd, sizeof(sata_cmd), q_index);
4670 	return ret;
4671 }
4672 
4673 /**
4674  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4675  * @pm8001_ha: our hba card information.
4676  * @phy_id: the phy id which we wanted to start up.
4677  */
4678 static int
4679 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4680 {
4681 	struct phy_start_req payload;
4682 	struct inbound_queue_table *circularQ;
4683 	int ret;
4684 	u32 tag = 0x01;
4685 	u32 opcode = OPC_INB_PHYSTART;
4686 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4687 	memset(&payload, 0, sizeof(payload));
4688 	payload.tag = cpu_to_le32(tag);
4689 
4690 	pm8001_dbg(pm8001_ha, INIT, "PHY START REQ for phy_id %d\n", phy_id);
4691 
4692 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4693 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
4694 	/* SSC Disable and SAS Analog ST configuration */
4695 	/**
4696 	payload.ase_sh_lm_slr_phyid =
4697 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4698 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4699 		phy_id);
4700 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4701 	**/
4702 
4703 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4704 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4705 	memcpy(payload.sas_identify.sas_addr,
4706 	  &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4707 	payload.sas_identify.phy_id = phy_id;
4708 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4709 			sizeof(payload), 0);
4710 	return ret;
4711 }
4712 
4713 /**
4714  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4715  * @pm8001_ha: our hba card information.
4716  * @phy_id: the phy id which we wanted to start up.
4717  */
4718 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4719 	u8 phy_id)
4720 {
4721 	struct phy_stop_req payload;
4722 	struct inbound_queue_table *circularQ;
4723 	int ret;
4724 	u32 tag = 0x01;
4725 	u32 opcode = OPC_INB_PHYSTOP;
4726 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4727 	memset(&payload, 0, sizeof(payload));
4728 	payload.tag = cpu_to_le32(tag);
4729 	payload.phy_id = cpu_to_le32(phy_id);
4730 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4731 			sizeof(payload), 0);
4732 	return ret;
4733 }
4734 
4735 /*
4736  * see comments on pm8001_mpi_reg_resp.
4737  */
4738 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4739 	struct pm8001_device *pm8001_dev, u32 flag)
4740 {
4741 	struct reg_dev_req payload;
4742 	u32	opc;
4743 	u32 stp_sspsmp_sata = 0x4;
4744 	struct inbound_queue_table *circularQ;
4745 	u32 linkrate, phy_id;
4746 	int rc, tag = 0xdeadbeef;
4747 	struct pm8001_ccb_info *ccb;
4748 	u8 retryFlag = 0x1;
4749 	u16 firstBurstSize = 0;
4750 	u16 ITNT = 2000;
4751 	struct domain_device *dev = pm8001_dev->sas_device;
4752 	struct domain_device *parent_dev = dev->parent;
4753 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4754 
4755 	memset(&payload, 0, sizeof(payload));
4756 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4757 	if (rc)
4758 		return rc;
4759 	ccb = &pm8001_ha->ccb_info[tag];
4760 	ccb->device = pm8001_dev;
4761 	ccb->ccb_tag = tag;
4762 	payload.tag = cpu_to_le32(tag);
4763 
4764 	if (flag == 1) {
4765 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4766 	} else {
4767 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4768 			stp_sspsmp_sata = 0x00; /* stp*/
4769 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4770 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4771 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4772 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4773 	}
4774 	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4775 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4776 	else
4777 		phy_id = pm8001_dev->attached_phy;
4778 
4779 	opc = OPC_INB_REG_DEV;
4780 
4781 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4782 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4783 
4784 	payload.phyid_portid =
4785 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4786 		((phy_id & 0xFF) << 8));
4787 
4788 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4789 		((linkrate & 0x0F) << 24) |
4790 		((stp_sspsmp_sata & 0x03) << 28));
4791 	payload.firstburstsize_ITNexustimeout =
4792 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4793 
4794 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4795 		SAS_ADDR_SIZE);
4796 
4797 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4798 			sizeof(payload), 0);
4799 	if (rc)
4800 		pm8001_tag_free(pm8001_ha, tag);
4801 
4802 	return rc;
4803 }
4804 
4805 /**
4806  * pm80xx_chip_phy_ctl_req - support the local phy operation
4807  * @pm8001_ha: our hba card information.
4808  * @phyId: the phy id which we wanted to operate
4809  * @phy_op: phy operation to request
4810  */
4811 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4812 	u32 phyId, u32 phy_op)
4813 {
4814 	u32 tag;
4815 	int rc;
4816 	struct local_phy_ctl_req payload;
4817 	struct inbound_queue_table *circularQ;
4818 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4819 	memset(&payload, 0, sizeof(payload));
4820 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4821 	if (rc)
4822 		return rc;
4823 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4824 	payload.tag = cpu_to_le32(tag);
4825 	payload.phyop_phyid =
4826 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4827 	return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4828 			sizeof(payload), 0);
4829 }
4830 
4831 static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4832 {
4833 #ifdef PM8001_USE_MSIX
4834 	return 1;
4835 #else
4836 	u32 value;
4837 
4838 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4839 	if (value)
4840 		return 1;
4841 	return 0;
4842 #endif
4843 }
4844 
4845 /**
4846  * pm8001_chip_isr - PM8001 isr handler.
4847  * @pm8001_ha: our hba card information.
4848  * @vec: irq number.
4849  */
4850 static irqreturn_t
4851 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4852 {
4853 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4854 	pm8001_dbg(pm8001_ha, DEVIO,
4855 		   "irq vec %d, ODMR:0x%x\n",
4856 		   vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4857 	process_oq(pm8001_ha, vec);
4858 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4859 	return IRQ_HANDLED;
4860 }
4861 
4862 static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4863 				    u32 operation, u32 phyid,
4864 				    u32 length, u32 *buf)
4865 {
4866 	u32 tag , i, j = 0;
4867 	int rc;
4868 	struct set_phy_profile_req payload;
4869 	struct inbound_queue_table *circularQ;
4870 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4871 
4872 	memset(&payload, 0, sizeof(payload));
4873 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4874 	if (rc)
4875 		pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n");
4876 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4877 	payload.tag = cpu_to_le32(tag);
4878 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4879 	pm8001_dbg(pm8001_ha, INIT,
4880 		   " phy profile command for phy %x ,length is %d\n",
4881 		   payload.ppc_phyid, length);
4882 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4883 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4884 		j++;
4885 	}
4886 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4887 			sizeof(payload), 0);
4888 	if (rc)
4889 		pm8001_tag_free(pm8001_ha, tag);
4890 }
4891 
4892 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4893 	u32 length, u8 *buf)
4894 {
4895 	u32 i;
4896 
4897 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4898 		mpi_set_phy_profile_req(pm8001_ha,
4899 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4900 		length = length + PHY_DWORD_LENGTH;
4901 	}
4902 	pm8001_dbg(pm8001_ha, INIT, "phy settings completed\n");
4903 }
4904 
4905 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
4906 		u32 phy, u32 length, u32 *buf)
4907 {
4908 	u32 tag, opc;
4909 	int rc, i;
4910 	struct set_phy_profile_req payload;
4911 	struct inbound_queue_table *circularQ;
4912 
4913 	memset(&payload, 0, sizeof(payload));
4914 
4915 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4916 	if (rc)
4917 		pm8001_dbg(pm8001_ha, INIT, "Invalid tag\n");
4918 
4919 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4920 	opc = OPC_INB_SET_PHY_PROFILE;
4921 
4922 	payload.tag = cpu_to_le32(tag);
4923 	payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
4924 				| (phy & 0xFF));
4925 
4926 	for (i = 0; i < length; i++)
4927 		payload.reserved[i] = cpu_to_le32(*(buf + i));
4928 
4929 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4930 			sizeof(payload), 0);
4931 	if (rc)
4932 		pm8001_tag_free(pm8001_ha, tag);
4933 
4934 	pm8001_dbg(pm8001_ha, INIT, "PHY %d settings applied\n", phy);
4935 }
4936 const struct pm8001_dispatch pm8001_80xx_dispatch = {
4937 	.name			= "pmc80xx",
4938 	.chip_init		= pm80xx_chip_init,
4939 	.chip_soft_rst		= pm80xx_chip_soft_rst,
4940 	.chip_rst		= pm80xx_hw_chip_rst,
4941 	.chip_iounmap		= pm8001_chip_iounmap,
4942 	.isr			= pm80xx_chip_isr,
4943 	.is_our_interrupt	= pm80xx_chip_is_our_interrupt,
4944 	.isr_process_oq		= process_oq,
4945 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
4946 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
4947 	.make_prd		= pm8001_chip_make_sg,
4948 	.smp_req		= pm80xx_chip_smp_req,
4949 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
4950 	.sata_req		= pm80xx_chip_sata_req,
4951 	.phy_start_req		= pm80xx_chip_phy_start_req,
4952 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
4953 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
4954 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4955 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
4956 	.task_abort		= pm8001_chip_abort_task,
4957 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4958 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4959 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4960 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4961 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4962 };
4963