xref: /linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision 0be3ff0c)
1 /*
2  * PMC-Sierra SPCv/ve 8088/8089 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 PMC-Sierra, Inc.,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions, and the following disclaimer,
12  * without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  * substantially similar to the "NO WARRANTY" disclaimer below
15  * ("Disclaimer") and any redistribution must be conditioned upon
16  * including a substantially similar Disclaimer requirement for further
17  * binary redistribution.
18  * 3. Neither the names of the above-listed copyright holders nor the names
19  * of any contributors may be used to endorse or promote products derived
20  * from this software without specific prior written permission.
21  *
22  * Alternatively, this software may be distributed under the terms of the
23  * GNU General Public License ("GPL") version 2 as published by the Free
24  * Software Foundation.
25  *
26  * NO WARRANTY
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGES.
38  *
39  */
40  #include <linux/slab.h>
41  #include "pm8001_sas.h"
42  #include "pm80xx_hwi.h"
43  #include "pm8001_chips.h"
44  #include "pm8001_ctl.h"
45 #include "pm80xx_tracepoints.h"
46 
47 #define SMP_DIRECT 1
48 #define SMP_INDIRECT 2
49 
50 
51 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shift_value)
52 {
53 	u32 reg_val;
54 	unsigned long start;
55 	pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, shift_value);
56 	/* confirm the setting is written */
57 	start = jiffies + HZ; /* 1 sec */
58 	do {
59 		reg_val = pm8001_cr32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER);
60 	} while ((reg_val != shift_value) && time_before(jiffies, start));
61 	if (reg_val != shift_value) {
62 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MEMBASE_II_SHIFT_REGISTER = 0x%x\n",
63 			   reg_val);
64 		return -1;
65 	}
66 	return 0;
67 }
68 
69 static void pm80xx_pci_mem_copy(struct pm8001_hba_info  *pm8001_ha, u32 soffset,
70 				__le32 *destination,
71 				u32 dw_count, u32 bus_base_number)
72 {
73 	u32 index, value, offset;
74 
75 	for (index = 0; index < dw_count; index += 4, destination++) {
76 		offset = (soffset + index);
77 		if (offset < (64 * 1024)) {
78 			value = pm8001_cr32(pm8001_ha, bus_base_number, offset);
79 			*destination = cpu_to_le32(value);
80 		}
81 	}
82 	return;
83 }
84 
85 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
86 	struct device_attribute *attr, char *buf)
87 {
88 	struct Scsi_Host *shost = class_to_shost(cdev);
89 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
90 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
91 	void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
92 	u32 accum_len, reg_val, index, *temp;
93 	u32 status = 1;
94 	unsigned long start;
95 	u8 *direct_data;
96 	char *fatal_error_data = buf;
97 	u32 length_to_read;
98 	u32 offset;
99 
100 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
101 	if (pm8001_ha->chip_id == chip_8001) {
102 		pm8001_ha->forensic_info.data_buf.direct_data +=
103 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
104 			"Not supported for SPC controller");
105 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
106 			(char *)buf;
107 	}
108 	/* initialize variables for very first call from host application */
109 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
110 		pm8001_dbg(pm8001_ha, IO,
111 			   "forensic_info TYPE_NON_FATAL..............\n");
112 		direct_data = (u8 *)fatal_error_data;
113 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
114 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
115 		pm8001_ha->forensic_info.data_buf.direct_offset = 0;
116 		pm8001_ha->forensic_info.data_buf.read_len = 0;
117 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
118 
119 		/* Write signature to fatal dump table */
120 		pm8001_mw32(fatal_table_address,
121 				MPI_FATAL_EDUMP_TABLE_SIGNATURE, 0x1234abcd);
122 
123 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
124 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: status1 %d\n", status);
125 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: read_len 0x%x\n",
126 			   pm8001_ha->forensic_info.data_buf.read_len);
127 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_len 0x%x\n",
128 			   pm8001_ha->forensic_info.data_buf.direct_len);
129 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_offset 0x%x\n",
130 			   pm8001_ha->forensic_info.data_buf.direct_offset);
131 	}
132 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
133 		/* start to get data */
134 		/* Program the MEMBASE II Shifting Register with 0x00.*/
135 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
136 				pm8001_ha->fatal_forensic_shift_offset);
137 		pm8001_ha->forensic_last_offset = 0;
138 		pm8001_ha->forensic_fatal_step = 0;
139 		pm8001_ha->fatal_bar_loc = 0;
140 	}
141 
142 	/* Read until accum_len is retrieved */
143 	accum_len = pm8001_mr32(fatal_table_address,
144 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
145 	/* Determine length of data between previously stored transfer length
146 	 * and current accumulated transfer length
147 	 */
148 	length_to_read =
149 		accum_len - pm8001_ha->forensic_preserved_accumulated_transfer;
150 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: accum_len 0x%x\n",
151 		   accum_len);
152 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: length_to_read 0x%x\n",
153 		   length_to_read);
154 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: last_offset 0x%x\n",
155 		   pm8001_ha->forensic_last_offset);
156 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: read_len 0x%x\n",
157 		   pm8001_ha->forensic_info.data_buf.read_len);
158 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_len 0x%x\n",
159 		   pm8001_ha->forensic_info.data_buf.direct_len);
160 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_offset 0x%x\n",
161 		   pm8001_ha->forensic_info.data_buf.direct_offset);
162 
163 	/* If accumulated length failed to read correctly fail the attempt.*/
164 	if (accum_len == 0xFFFFFFFF) {
165 		pm8001_dbg(pm8001_ha, IO,
166 			   "Possible PCI issue 0x%x not expected\n",
167 			   accum_len);
168 		return status;
169 	}
170 	/* If accumulated length is zero fail the attempt */
171 	if (accum_len == 0) {
172 		pm8001_ha->forensic_info.data_buf.direct_data +=
173 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
174 			"%08x ", 0xFFFFFFFF);
175 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
176 			(char *)buf;
177 	}
178 	/* Accumulated length is good so start capturing the first data */
179 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
180 	if (pm8001_ha->forensic_fatal_step == 0) {
181 moreData:
182 		/* If data to read is less than SYSFS_OFFSET then reduce the
183 		 * length of dataLen
184 		 */
185 		if (pm8001_ha->forensic_last_offset + SYSFS_OFFSET
186 				> length_to_read) {
187 			pm8001_ha->forensic_info.data_buf.direct_len =
188 				length_to_read -
189 				pm8001_ha->forensic_last_offset;
190 		} else {
191 			pm8001_ha->forensic_info.data_buf.direct_len =
192 				SYSFS_OFFSET;
193 		}
194 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
195 			/* Data is in bar, copy to host memory */
196 			pm80xx_pci_mem_copy(pm8001_ha,
197 			pm8001_ha->fatal_bar_loc,
198 			pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
199 			pm8001_ha->forensic_info.data_buf.direct_len, 1);
200 		}
201 		pm8001_ha->fatal_bar_loc +=
202 			pm8001_ha->forensic_info.data_buf.direct_len;
203 		pm8001_ha->forensic_info.data_buf.direct_offset +=
204 			pm8001_ha->forensic_info.data_buf.direct_len;
205 		pm8001_ha->forensic_last_offset	+=
206 			pm8001_ha->forensic_info.data_buf.direct_len;
207 		pm8001_ha->forensic_info.data_buf.read_len =
208 			pm8001_ha->forensic_info.data_buf.direct_len;
209 
210 		if (pm8001_ha->forensic_last_offset  >= length_to_read) {
211 			pm8001_ha->forensic_info.data_buf.direct_data +=
212 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
213 				"%08x ", 3);
214 			for (index = 0; index <
215 				(pm8001_ha->forensic_info.data_buf.direct_len
216 				 / 4); index++) {
217 				pm8001_ha->forensic_info.data_buf.direct_data +=
218 				sprintf(
219 				pm8001_ha->forensic_info.data_buf.direct_data,
220 				"%08x ", *(temp + index));
221 			}
222 
223 			pm8001_ha->fatal_bar_loc = 0;
224 			pm8001_ha->forensic_fatal_step = 1;
225 			pm8001_ha->fatal_forensic_shift_offset = 0;
226 			pm8001_ha->forensic_last_offset	= 0;
227 			status = 0;
228 			offset = (int)
229 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
230 			- (char *)buf);
231 			pm8001_dbg(pm8001_ha, IO,
232 				   "get_fatal_spcv:return1 0x%x\n", offset);
233 			return (char *)pm8001_ha->
234 				forensic_info.data_buf.direct_data -
235 				(char *)buf;
236 		}
237 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
238 			pm8001_ha->forensic_info.data_buf.direct_data +=
239 				sprintf(pm8001_ha->
240 					forensic_info.data_buf.direct_data,
241 					"%08x ", 2);
242 			for (index = 0; index <
243 				(pm8001_ha->forensic_info.data_buf.direct_len
244 				 / 4); index++) {
245 				pm8001_ha->forensic_info.data_buf.direct_data
246 					+= sprintf(pm8001_ha->
247 					forensic_info.data_buf.direct_data,
248 					"%08x ", *(temp + index));
249 			}
250 			status = 0;
251 			offset = (int)
252 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
253 			- (char *)buf);
254 			pm8001_dbg(pm8001_ha, IO,
255 				   "get_fatal_spcv:return2 0x%x\n", offset);
256 			return (char *)pm8001_ha->
257 				forensic_info.data_buf.direct_data -
258 				(char *)buf;
259 		}
260 
261 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
262 		pm8001_ha->forensic_info.data_buf.direct_data +=
263 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
264 				"%08x ", 2);
265 		for (index = 0; index <
266 			(pm8001_ha->forensic_info.data_buf.direct_len
267 			 / 4) ; index++) {
268 			pm8001_ha->forensic_info.data_buf.direct_data +=
269 				sprintf(pm8001_ha->
270 				forensic_info.data_buf.direct_data,
271 				"%08x ", *(temp + index));
272 		}
273 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
274 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
275 			pm8001_ha->fatal_forensic_shift_offset);
276 		pm8001_ha->fatal_bar_loc = 0;
277 		status = 0;
278 		offset = (int)
279 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
280 			- (char *)buf);
281 		pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return3 0x%x\n",
282 			   offset);
283 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
284 			(char *)buf;
285 	}
286 	if (pm8001_ha->forensic_fatal_step == 1) {
287 		/* store previous accumulated length before triggering next
288 		 * accumulated length update
289 		 */
290 		pm8001_ha->forensic_preserved_accumulated_transfer =
291 			pm8001_mr32(fatal_table_address,
292 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
293 
294 		/* continue capturing the fatal log until Dump status is 0x3 */
295 		if (pm8001_mr32(fatal_table_address,
296 			MPI_FATAL_EDUMP_TABLE_STATUS) <
297 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
298 
299 			/* reset fddstat bit by writing to zero*/
300 			pm8001_mw32(fatal_table_address,
301 					MPI_FATAL_EDUMP_TABLE_STATUS, 0x0);
302 
303 			/* set dump control value to '1' so that new data will
304 			 * be transferred to shared memory
305 			 */
306 			pm8001_mw32(fatal_table_address,
307 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
308 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
309 
310 			/*Poll FDDHSHK  until clear */
311 			start = jiffies + (2 * HZ); /* 2 sec */
312 
313 			do {
314 				reg_val = pm8001_mr32(fatal_table_address,
315 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
316 			} while ((reg_val) && time_before(jiffies, start));
317 
318 			if (reg_val != 0) {
319 				pm8001_dbg(pm8001_ha, FAIL,
320 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_HDSHAKE 0x%x\n",
321 					   reg_val);
322 			       /* Fail the dump if a timeout occurs */
323 				pm8001_ha->forensic_info.data_buf.direct_data +=
324 				sprintf(
325 				pm8001_ha->forensic_info.data_buf.direct_data,
326 				"%08x ", 0xFFFFFFFF);
327 				return((char *)
328 				pm8001_ha->forensic_info.data_buf.direct_data
329 				- (char *)buf);
330 			}
331 			/* Poll status register until set to 2 or
332 			 * 3 for up to 2 seconds
333 			 */
334 			start = jiffies + (2 * HZ); /* 2 sec */
335 
336 			do {
337 				reg_val = pm8001_mr32(fatal_table_address,
338 					MPI_FATAL_EDUMP_TABLE_STATUS);
339 			} while (((reg_val != 2) && (reg_val != 3)) &&
340 					time_before(jiffies, start));
341 
342 			if (reg_val < 2) {
343 				pm8001_dbg(pm8001_ha, FAIL,
344 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_STATUS = 0x%x\n",
345 					   reg_val);
346 				/* Fail the dump if a timeout occurs */
347 				pm8001_ha->forensic_info.data_buf.direct_data +=
348 				sprintf(
349 				pm8001_ha->forensic_info.data_buf.direct_data,
350 				"%08x ", 0xFFFFFFFF);
351 				return((char *)pm8001_ha->forensic_info.data_buf.direct_data -
352 						(char *)buf);
353 			}
354 	/* reset fatal_forensic_shift_offset back to zero and reset MEMBASE 2 register to zero */
355 			pm8001_ha->fatal_forensic_shift_offset = 0; /* location in 64k region */
356 			pm8001_cw32(pm8001_ha, 0,
357 					MEMBASE_II_SHIFT_REGISTER,
358 					pm8001_ha->fatal_forensic_shift_offset);
359 		}
360 		/* Read the next block of the debug data.*/
361 		length_to_read = pm8001_mr32(fatal_table_address,
362 		MPI_FATAL_EDUMP_TABLE_ACCUM_LEN) -
363 		pm8001_ha->forensic_preserved_accumulated_transfer;
364 		if (length_to_read != 0x0) {
365 			pm8001_ha->forensic_fatal_step = 0;
366 			goto moreData;
367 		} else {
368 			pm8001_ha->forensic_info.data_buf.direct_data +=
369 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
370 				"%08x ", 4);
371 			pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
372 			pm8001_ha->forensic_info.data_buf.direct_len =  0;
373 			pm8001_ha->forensic_info.data_buf.direct_offset = 0;
374 			pm8001_ha->forensic_info.data_buf.read_len = 0;
375 		}
376 	}
377 	offset = (int)((char *)pm8001_ha->forensic_info.data_buf.direct_data
378 			- (char *)buf);
379 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return4 0x%x\n", offset);
380 	return ((char *)pm8001_ha->forensic_info.data_buf.direct_data -
381 		(char *)buf);
382 }
383 
384 /* pm80xx_get_non_fatal_dump - dump the nonfatal data from the dma
385  * location by the firmware.
386  */
387 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
388 	struct device_attribute *attr, char *buf)
389 {
390 	struct Scsi_Host *shost = class_to_shost(cdev);
391 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
392 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
393 	void __iomem *nonfatal_table_address = pm8001_ha->fatal_tbl_addr;
394 	u32 accum_len = 0;
395 	u32 total_len = 0;
396 	u32 reg_val = 0;
397 	u32 *temp = NULL;
398 	u32 index = 0;
399 	u32 output_length;
400 	unsigned long start = 0;
401 	char *buf_copy = buf;
402 
403 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
404 	if (++pm8001_ha->non_fatal_count == 1) {
405 		if (pm8001_ha->chip_id == chip_8001) {
406 			snprintf(pm8001_ha->forensic_info.data_buf.direct_data,
407 				PAGE_SIZE, "Not supported for SPC controller");
408 			return 0;
409 		}
410 		pm8001_dbg(pm8001_ha, IO, "forensic_info TYPE_NON_FATAL...\n");
411 		/*
412 		 * Step 1: Write the host buffer parameters in the MPI Fatal and
413 		 * Non-Fatal Error Dump Capture Table.This is the buffer
414 		 * where debug data will be DMAed to.
415 		 */
416 		pm8001_mw32(nonfatal_table_address,
417 		MPI_FATAL_EDUMP_TABLE_LO_OFFSET,
418 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_lo);
419 
420 		pm8001_mw32(nonfatal_table_address,
421 		MPI_FATAL_EDUMP_TABLE_HI_OFFSET,
422 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_hi);
423 
424 		pm8001_mw32(nonfatal_table_address,
425 		MPI_FATAL_EDUMP_TABLE_LENGTH, SYSFS_OFFSET);
426 
427 		/* Optionally, set the DUMPCTRL bit to 1 if the host
428 		 * keeps sending active I/Os while capturing the non-fatal
429 		 * debug data. Otherwise, leave this bit set to zero
430 		 */
431 		pm8001_mw32(nonfatal_table_address,
432 		MPI_FATAL_EDUMP_TABLE_HANDSHAKE, MPI_FATAL_EDUMP_HANDSHAKE_RDY);
433 
434 		/*
435 		 * Step 2: Clear Accumulative Length of Debug Data Transferred
436 		 * [ACCDDLEN] field in the MPI Fatal and Non-Fatal Error Dump
437 		 * Capture Table to zero.
438 		 */
439 		pm8001_mw32(nonfatal_table_address,
440 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN, 0);
441 
442 		/* initiallize previous accumulated length to 0 */
443 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
444 		pm8001_ha->non_fatal_read_length = 0;
445 	}
446 
447 	total_len = pm8001_mr32(nonfatal_table_address,
448 			MPI_FATAL_EDUMP_TABLE_TOTAL_LEN);
449 	/*
450 	 * Step 3:Clear Fatal/Non-Fatal Debug Data Transfer Status [FDDTSTAT]
451 	 * field and then request that the SPCv controller transfer the debug
452 	 * data by setting bit 7 of the Inbound Doorbell Set Register.
453 	 */
454 	pm8001_mw32(nonfatal_table_address, MPI_FATAL_EDUMP_TABLE_STATUS, 0);
455 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET,
456 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP);
457 
458 	/*
459 	 * Step 4.1: Read back the Inbound Doorbell Set Register (by polling for
460 	 * 2 seconds) until register bit 7 is cleared.
461 	 * This step only indicates the request is accepted by the controller.
462 	 */
463 	start = jiffies + (2 * HZ); /* 2 sec */
464 	do {
465 		reg_val = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET) &
466 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP;
467 	} while ((reg_val != 0) && time_before(jiffies, start));
468 
469 	/* Step 4.2: To check the completion of the transfer, poll the Fatal/Non
470 	 * Fatal Debug Data Transfer Status [FDDTSTAT] field for 2 seconds in
471 	 * the MPI Fatal and Non-Fatal Error Dump Capture Table.
472 	 */
473 	start = jiffies + (2 * HZ); /* 2 sec */
474 	do {
475 		reg_val = pm8001_mr32(nonfatal_table_address,
476 				MPI_FATAL_EDUMP_TABLE_STATUS);
477 	} while ((!reg_val) && time_before(jiffies, start));
478 
479 	if ((reg_val == 0x00) ||
480 		(reg_val == MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED) ||
481 		(reg_val > MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE)) {
482 		pm8001_ha->non_fatal_read_length = 0;
483 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 0xFFFFFFFF);
484 		pm8001_ha->non_fatal_count = 0;
485 		return (buf_copy - buf);
486 	} else if (reg_val ==
487 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA) {
488 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 2);
489 	} else if ((reg_val == MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) ||
490 		(pm8001_ha->non_fatal_read_length >= total_len)) {
491 		pm8001_ha->non_fatal_read_length = 0;
492 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 4);
493 		pm8001_ha->non_fatal_count = 0;
494 	}
495 	accum_len = pm8001_mr32(nonfatal_table_address,
496 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
497 	output_length = accum_len -
498 		pm8001_ha->forensic_preserved_accumulated_transfer;
499 
500 	for (index = 0; index < output_length/4; index++)
501 		buf_copy += snprintf(buf_copy, PAGE_SIZE,
502 				"%08x ", *(temp+index));
503 
504 	pm8001_ha->non_fatal_read_length += output_length;
505 
506 	/* store current accumulated length to use in next iteration as
507 	 * the previous accumulated length
508 	 */
509 	pm8001_ha->forensic_preserved_accumulated_transfer = accum_len;
510 	return (buf_copy - buf);
511 }
512 
513 /**
514  * read_main_config_table - read the configure table and save it.
515  * @pm8001_ha: our hba card information
516  */
517 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
518 {
519 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
520 
521 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
522 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
523 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
524 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
525 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
526 		pm8001_mr32(address, MAIN_FW_REVISION);
527 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
528 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
529 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
530 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
531 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
532 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
533 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
534 		pm8001_mr32(address, MAIN_GST_OFFSET);
535 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
536 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
537 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
538 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
539 
540 	/* read Error Dump Offset and Length */
541 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
542 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
543 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
544 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
545 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
546 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
547 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
548 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
549 
550 	/* read GPIO LED settings from the configuration table */
551 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
552 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
553 
554 	/* read analog Setting offset from the configuration table */
555 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
556 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
557 
558 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
559 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
560 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
561 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
562 	/* read port recover and reset timeout */
563 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
564 		pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
565 	/* read ILA and inactive firmware version */
566 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
567 		pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
568 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
569 		pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
570 
571 	pm8001_dbg(pm8001_ha, DEV,
572 		   "Main cfg table: sign:%x interface rev:%x fw_rev:%x\n",
573 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature,
574 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev,
575 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev);
576 
577 	pm8001_dbg(pm8001_ha, DEV,
578 		   "table offset: gst:%x iq:%x oq:%x int vec:%x phy attr:%x\n",
579 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset,
580 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset,
581 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset,
582 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset,
583 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset);
584 
585 	pm8001_dbg(pm8001_ha, DEV,
586 		   "Main cfg table; ila rev:%x Inactive fw rev:%x\n",
587 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version,
588 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version);
589 }
590 
591 /**
592  * read_general_status_table - read the general status table and save it.
593  * @pm8001_ha: our hba card information
594  */
595 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
596 {
597 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
598 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
599 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
600 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
601 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
602 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
603 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
604 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
605 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
606 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
607 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
608 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
609 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
610 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
611 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
612 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
613 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
614 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
615 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
616 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
617 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
618 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
619 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
620 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
621 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
622 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
623 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
624 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
625 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
626 }
627 /**
628  * read_phy_attr_table - read the phy attribute table and save it.
629  * @pm8001_ha: our hba card information
630  */
631 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
632 {
633 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
634 	pm8001_ha->phy_attr_table.phystart1_16[0] =
635 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
636 	pm8001_ha->phy_attr_table.phystart1_16[1] =
637 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
638 	pm8001_ha->phy_attr_table.phystart1_16[2] =
639 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
640 	pm8001_ha->phy_attr_table.phystart1_16[3] =
641 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
642 	pm8001_ha->phy_attr_table.phystart1_16[4] =
643 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
644 	pm8001_ha->phy_attr_table.phystart1_16[5] =
645 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
646 	pm8001_ha->phy_attr_table.phystart1_16[6] =
647 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
648 	pm8001_ha->phy_attr_table.phystart1_16[7] =
649 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
650 	pm8001_ha->phy_attr_table.phystart1_16[8] =
651 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
652 	pm8001_ha->phy_attr_table.phystart1_16[9] =
653 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
654 	pm8001_ha->phy_attr_table.phystart1_16[10] =
655 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
656 	pm8001_ha->phy_attr_table.phystart1_16[11] =
657 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
658 	pm8001_ha->phy_attr_table.phystart1_16[12] =
659 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
660 	pm8001_ha->phy_attr_table.phystart1_16[13] =
661 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
662 	pm8001_ha->phy_attr_table.phystart1_16[14] =
663 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
664 	pm8001_ha->phy_attr_table.phystart1_16[15] =
665 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
666 
667 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
668 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
669 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
670 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
671 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
672 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
673 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
674 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
675 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
676 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
677 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
678 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
679 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
680 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
681 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
682 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
683 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
684 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
685 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
686 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
687 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
688 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
689 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
690 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
691 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
692 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
693 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
694 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
695 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
696 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
697 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
698 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
699 
700 }
701 
702 /**
703  * read_inbnd_queue_table - read the inbound queue table and save it.
704  * @pm8001_ha: our hba card information
705  */
706 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
707 {
708 	int i;
709 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
710 	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
711 		u32 offset = i * 0x20;
712 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
713 			get_pci_bar_index(pm8001_mr32(address,
714 				(offset + IB_PIPCI_BAR)));
715 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
716 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
717 	}
718 }
719 
720 /**
721  * read_outbnd_queue_table - read the outbound queue table and save it.
722  * @pm8001_ha: our hba card information
723  */
724 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
725 {
726 	int i;
727 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
728 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
729 		u32 offset = i * 0x24;
730 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
731 			get_pci_bar_index(pm8001_mr32(address,
732 				(offset + OB_CIPCI_BAR)));
733 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
734 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
735 	}
736 }
737 
738 /**
739  * init_default_table_values - init the default table.
740  * @pm8001_ha: our hba card information
741  */
742 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
743 {
744 	int i;
745 	u32 offsetib, offsetob;
746 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
747 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
748 	u32 ib_offset = pm8001_ha->ib_offset;
749 	u32 ob_offset = pm8001_ha->ob_offset;
750 	u32 ci_offset = pm8001_ha->ci_offset;
751 	u32 pi_offset = pm8001_ha->pi_offset;
752 
753 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
754 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
755 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
756 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
757 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
758 							PM8001_EVENT_LOG_SIZE;
759 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
760 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
761 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
762 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
763 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
764 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
765 							PM8001_EVENT_LOG_SIZE;
766 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
767 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
768 
769 	/* Enable higher IQs and OQs, 32 to 63, bit 16 */
770 	if (pm8001_ha->max_q_num > 32)
771 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
772 							1 << 16;
773 	/* Disable end to end CRC checking */
774 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
775 
776 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
777 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
778 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
779 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
780 			pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
781 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
782 		pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
783 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
784 		  (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
785 		pm8001_ha->inbnd_q_tbl[i].total_length		=
786 			pm8001_ha->memoryMap.region[ib_offset + i].total_len;
787 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
788 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
789 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
790 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
791 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
792 			pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
793 		pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
794 		offsetib = i * 0x20;
795 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
796 			get_pci_bar_index(pm8001_mr32(addressib,
797 				(offsetib + 0x14)));
798 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
799 			pm8001_mr32(addressib, (offsetib + 0x18));
800 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
801 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
802 
803 		pm8001_dbg(pm8001_ha, DEV,
804 			   "IQ %d pi_bar 0x%x pi_offset 0x%x\n", i,
805 			   pm8001_ha->inbnd_q_tbl[i].pi_pci_bar,
806 			   pm8001_ha->inbnd_q_tbl[i].pi_offset);
807 	}
808 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
809 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
810 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
811 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
812 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
813 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
814 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
815 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
816 		  (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
817 		pm8001_ha->outbnd_q_tbl[i].total_length		=
818 			pm8001_ha->memoryMap.region[ob_offset + i].total_len;
819 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
820 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
821 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
822 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
823 		/* interrupt vector based on oq */
824 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
825 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
826 			pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
827 		pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
828 		offsetob = i * 0x24;
829 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
830 			get_pci_bar_index(pm8001_mr32(addressob,
831 			offsetob + 0x14));
832 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
833 			pm8001_mr32(addressob, (offsetob + 0x18));
834 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
835 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
836 
837 		pm8001_dbg(pm8001_ha, DEV,
838 			   "OQ %d ci_bar 0x%x ci_offset 0x%x\n", i,
839 			   pm8001_ha->outbnd_q_tbl[i].ci_pci_bar,
840 			   pm8001_ha->outbnd_q_tbl[i].ci_offset);
841 	}
842 }
843 
844 /**
845  * update_main_config_table - update the main default table to the HBA.
846  * @pm8001_ha: our hba card information
847  */
848 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
849 {
850 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
851 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
852 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
853 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
854 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
855 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
856 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
857 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
858 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
859 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
860 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
861 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
862 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
863 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
864 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
865 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
866 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
867 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
868 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
869 	/* Update Fatal error interrupt vector */
870 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
871 					((pm8001_ha->max_q_num - 1) << 8);
872 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
873 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
874 	pm8001_dbg(pm8001_ha, DEV,
875 		   "Updated Fatal error interrupt vector 0x%x\n",
876 		   pm8001_mr32(address, MAIN_FATAL_ERROR_INTERRUPT));
877 
878 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
879 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
880 
881 	/* SPCv specific */
882 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
883 	/* Set GPIOLED to 0x2 for LED indicator */
884 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
885 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
886 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
887 	pm8001_dbg(pm8001_ha, DEV,
888 		   "Programming DW 0x21 in main cfg table with 0x%x\n",
889 		   pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET));
890 
891 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
892 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
893 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
894 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
895 
896 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
897 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
898 							PORT_RECOVERY_TIMEOUT;
899 	if (pm8001_ha->chip_id == chip_8006) {
900 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
901 					0x0000ffff;
902 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
903 					CHIP_8006_PORT_RECOVERY_TIMEOUT;
904 	}
905 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
906 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
907 }
908 
909 /**
910  * update_inbnd_queue_table - update the inbound queue table to the HBA.
911  * @pm8001_ha: our hba card information
912  * @number: entry in the queue
913  */
914 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
915 					 int number)
916 {
917 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
918 	u16 offset = number * 0x20;
919 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
920 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
921 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
922 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
923 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
924 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
925 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
926 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
927 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
928 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
929 
930 	pm8001_dbg(pm8001_ha, DEV,
931 		   "IQ %d: Element pri size 0x%x\n",
932 		   number,
933 		   pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
934 
935 	pm8001_dbg(pm8001_ha, DEV,
936 		   "IQ upr base addr 0x%x IQ lwr base addr 0x%x\n",
937 		   pm8001_ha->inbnd_q_tbl[number].upper_base_addr,
938 		   pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
939 
940 	pm8001_dbg(pm8001_ha, DEV,
941 		   "CI upper base addr 0x%x CI lower base addr 0x%x\n",
942 		   pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr,
943 		   pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
944 }
945 
946 /**
947  * update_outbnd_queue_table - update the outbound queue table to the HBA.
948  * @pm8001_ha: our hba card information
949  * @number: entry in the queue
950  */
951 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
952 						 int number)
953 {
954 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
955 	u16 offset = number * 0x24;
956 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
957 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
958 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
959 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
960 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
961 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
962 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
963 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
964 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
965 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
966 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
967 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
968 
969 	pm8001_dbg(pm8001_ha, DEV,
970 		   "OQ %d: Element pri size 0x%x\n",
971 		   number,
972 		   pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
973 
974 	pm8001_dbg(pm8001_ha, DEV,
975 		   "OQ upr base addr 0x%x OQ lwr base addr 0x%x\n",
976 		   pm8001_ha->outbnd_q_tbl[number].upper_base_addr,
977 		   pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
978 
979 	pm8001_dbg(pm8001_ha, DEV,
980 		   "PI upper base addr 0x%x PI lower base addr 0x%x\n",
981 		   pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr,
982 		   pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
983 }
984 
985 /**
986  * mpi_init_check - check firmware initialization status.
987  * @pm8001_ha: our hba card information
988  */
989 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
990 {
991 	u32 max_wait_count;
992 	u32 value;
993 	u32 gst_len_mpistate;
994 
995 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
996 	table is updated */
997 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
998 	/* wait until Inbound DoorBell Clear Register toggled */
999 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1000 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
1001 	} else {
1002 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1003 	}
1004 	do {
1005 		msleep(FW_READY_INTERVAL);
1006 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1007 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
1008 	} while ((value != 0) && (--max_wait_count));
1009 
1010 	if (!max_wait_count) {
1011 		/* additional check */
1012 		pm8001_dbg(pm8001_ha, FAIL,
1013 			   "Inb doorbell clear not toggled[value:%x]\n",
1014 			   value);
1015 		return -EBUSY;
1016 	}
1017 	/* check the MPI-State for initialization up to 100ms*/
1018 	max_wait_count = 5;/* 100 msec */
1019 	do {
1020 		msleep(FW_READY_INTERVAL);
1021 		gst_len_mpistate =
1022 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1023 					GST_GSTLEN_MPIS_OFFSET);
1024 	} while ((GST_MPI_STATE_INIT !=
1025 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
1026 	if (!max_wait_count)
1027 		return -EBUSY;
1028 
1029 	/* check MPI Initialization error */
1030 	gst_len_mpistate = gst_len_mpistate >> 16;
1031 	if (0x0000 != gst_len_mpistate)
1032 		return -EBUSY;
1033 
1034 	/*
1035 	 *  As per controller datasheet, after successful MPI
1036 	 *  initialization minimum 500ms delay is required before
1037 	 *  issuing commands.
1038 	 */
1039 	msleep(500);
1040 
1041 	return 0;
1042 }
1043 
1044 /**
1045  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
1046  * This function sleeps hence it must not be used in atomic context.
1047  * @pm8001_ha: our hba card information
1048  */
1049 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
1050 {
1051 	u32 value;
1052 	u32 max_wait_count;
1053 	u32 max_wait_time;
1054 	u32 expected_mask;
1055 	int ret = 0;
1056 
1057 	/* reset / PCIe ready */
1058 	max_wait_time = max_wait_count = 5;	/* 100 milli sec */
1059 	do {
1060 		msleep(FW_READY_INTERVAL);
1061 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1062 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
1063 
1064 	/* check ila, RAAE and iops status */
1065 	if ((pm8001_ha->chip_id != chip_8008) &&
1066 			(pm8001_ha->chip_id != chip_8009)) {
1067 		max_wait_time = max_wait_count = 180;   /* 3600 milli sec */
1068 		expected_mask = SCRATCH_PAD_ILA_READY |
1069 			SCRATCH_PAD_RAAE_READY |
1070 			SCRATCH_PAD_IOP0_READY |
1071 			SCRATCH_PAD_IOP1_READY;
1072 	} else {
1073 		max_wait_time = max_wait_count = 170;   /* 3400 milli sec */
1074 		expected_mask = SCRATCH_PAD_ILA_READY |
1075 			SCRATCH_PAD_RAAE_READY |
1076 			SCRATCH_PAD_IOP0_READY;
1077 	}
1078 	do {
1079 		msleep(FW_READY_INTERVAL);
1080 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1081 	} while (((value & expected_mask) !=
1082 				 expected_mask) && (--max_wait_count));
1083 	if (!max_wait_count) {
1084 		pm8001_dbg(pm8001_ha, INIT,
1085 		"At least one FW component failed to load within %d millisec: Scratchpad1: 0x%x\n",
1086 			max_wait_time * FW_READY_INTERVAL, value);
1087 		ret = -1;
1088 	} else {
1089 		pm8001_dbg(pm8001_ha, MSG,
1090 			"All FW components ready by %d ms\n",
1091 			(max_wait_time - max_wait_count) * FW_READY_INTERVAL);
1092 	}
1093 	return ret;
1094 }
1095 
1096 static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
1097 {
1098 	void __iomem *base_addr;
1099 	u32	value;
1100 	u32	offset;
1101 	u32	pcibar;
1102 	u32	pcilogic;
1103 
1104 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1105 
1106 	/*
1107 	 * lower 26 bits of SCRATCHPAD0 register describes offset within the
1108 	 * PCIe BAR where the MPI configuration table is present
1109 	 */
1110 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
1111 
1112 	pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
1113 		   offset, value);
1114 	/*
1115 	 * Upper 6 bits describe the offset within PCI config space where BAR
1116 	 * is located.
1117 	 */
1118 	pcilogic = (value & 0xFC000000) >> 26;
1119 	pcibar = get_pci_bar_index(pcilogic);
1120 	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
1121 
1122 	/*
1123 	 * Make sure the offset falls inside the ioremapped PCI BAR
1124 	 */
1125 	if (offset > pm8001_ha->io_mem[pcibar].memsize) {
1126 		pm8001_dbg(pm8001_ha, FAIL,
1127 			"Main cfg tbl offset outside %u > %u\n",
1128 				offset, pm8001_ha->io_mem[pcibar].memsize);
1129 		return -EBUSY;
1130 	}
1131 	pm8001_ha->main_cfg_tbl_addr = base_addr =
1132 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
1133 
1134 	/*
1135 	 * Validate main configuration table address: first DWord should read
1136 	 * "PMCS"
1137 	 */
1138 	value = pm8001_mr32(pm8001_ha->main_cfg_tbl_addr, 0);
1139 	if (memcmp(&value, "PMCS", 4) != 0) {
1140 		pm8001_dbg(pm8001_ha, FAIL,
1141 			"BAD main config signature 0x%x\n",
1142 				value);
1143 		return -EBUSY;
1144 	}
1145 	pm8001_dbg(pm8001_ha, INIT,
1146 			"VALID main config signature 0x%x\n", value);
1147 	pm8001_ha->general_stat_tbl_addr =
1148 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
1149 					0xFFFFFF);
1150 	pm8001_ha->inbnd_q_tbl_addr =
1151 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
1152 					0xFFFFFF);
1153 	pm8001_ha->outbnd_q_tbl_addr =
1154 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
1155 					0xFFFFFF);
1156 	pm8001_ha->ivt_tbl_addr =
1157 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
1158 					0xFFFFFF);
1159 	pm8001_ha->pspa_q_tbl_addr =
1160 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
1161 					0xFFFFFF);
1162 	pm8001_ha->fatal_tbl_addr =
1163 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
1164 					0xFFFFFF);
1165 
1166 	pm8001_dbg(pm8001_ha, INIT, "GST OFFSET 0x%x\n",
1167 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x18));
1168 	pm8001_dbg(pm8001_ha, INIT, "INBND OFFSET 0x%x\n",
1169 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C));
1170 	pm8001_dbg(pm8001_ha, INIT, "OBND OFFSET 0x%x\n",
1171 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x20));
1172 	pm8001_dbg(pm8001_ha, INIT, "IVT OFFSET 0x%x\n",
1173 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C));
1174 	pm8001_dbg(pm8001_ha, INIT, "PSPA OFFSET 0x%x\n",
1175 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x90));
1176 	pm8001_dbg(pm8001_ha, INIT, "addr - main cfg %p general status %p\n",
1177 		   pm8001_ha->main_cfg_tbl_addr,
1178 		   pm8001_ha->general_stat_tbl_addr);
1179 	pm8001_dbg(pm8001_ha, INIT, "addr - inbnd %p obnd %p\n",
1180 		   pm8001_ha->inbnd_q_tbl_addr,
1181 		   pm8001_ha->outbnd_q_tbl_addr);
1182 	pm8001_dbg(pm8001_ha, INIT, "addr - pspa %p ivt %p\n",
1183 		   pm8001_ha->pspa_q_tbl_addr,
1184 		   pm8001_ha->ivt_tbl_addr);
1185 	return 0;
1186 }
1187 
1188 /**
1189  * pm80xx_set_thermal_config - support the thermal configuration
1190  * @pm8001_ha: our hba card information.
1191  */
1192 int
1193 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
1194 {
1195 	struct set_ctrl_cfg_req payload;
1196 	int rc;
1197 	u32 tag;
1198 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1199 	u32 page_code;
1200 
1201 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1202 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1203 	if (rc)
1204 		return rc;
1205 
1206 	payload.tag = cpu_to_le32(tag);
1207 
1208 	if (IS_SPCV_12G(pm8001_ha->pdev))
1209 		page_code = THERMAL_PAGE_CODE_7H;
1210 	else
1211 		page_code = THERMAL_PAGE_CODE_8H;
1212 
1213 	payload.cfg_pg[0] =
1214 		cpu_to_le32((THERMAL_LOG_ENABLE << 9) |
1215 			    (THERMAL_ENABLE << 8) | page_code);
1216 	payload.cfg_pg[1] =
1217 		cpu_to_le32((LTEMPHIL << 24) | (RTEMPHIL << 8));
1218 
1219 	pm8001_dbg(pm8001_ha, DEV,
1220 		   "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n",
1221 		   payload.cfg_pg[0], payload.cfg_pg[1]);
1222 
1223 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
1224 			sizeof(payload), 0);
1225 	if (rc)
1226 		pm8001_tag_free(pm8001_ha, tag);
1227 	return rc;
1228 
1229 }
1230 
1231 /**
1232 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
1233 * Timer configuration page
1234 * @pm8001_ha: our hba card information.
1235 */
1236 static int
1237 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
1238 {
1239 	struct set_ctrl_cfg_req payload;
1240 	SASProtocolTimerConfig_t SASConfigPage;
1241 	int rc;
1242 	u32 tag;
1243 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1244 
1245 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1246 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
1247 
1248 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1249 	if (rc)
1250 		return rc;
1251 
1252 	payload.tag = cpu_to_le32(tag);
1253 
1254 	SASConfigPage.pageCode = cpu_to_le32(SAS_PROTOCOL_TIMER_CONFIG_PAGE);
1255 	SASConfigPage.MST_MSI = cpu_to_le32(3 << 15);
1256 	SASConfigPage.STP_SSP_MCT_TMO =
1257 		cpu_to_le32((STP_MCT_TMO << 16) | SSP_MCT_TMO);
1258 	SASConfigPage.STP_FRM_TMO =
1259 		cpu_to_le32((SAS_MAX_OPEN_TIME << 24) |
1260 			    (SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER);
1261 	SASConfigPage.STP_IDLE_TMO = cpu_to_le32(STP_IDLE_TIME);
1262 
1263 	SASConfigPage.OPNRJT_RTRY_INTVL =
1264 		cpu_to_le32((SAS_MFD << 16) | SAS_OPNRJT_RTRY_INTVL);
1265 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =
1266 		cpu_to_le32((SAS_DOPNRJT_RTRY_TMO << 16) | SAS_COPNRJT_RTRY_TMO);
1267 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =
1268 		cpu_to_le32((SAS_DOPNRJT_RTRY_THR << 16) | SAS_COPNRJT_RTRY_THR);
1269 	SASConfigPage.MAX_AIP = cpu_to_le32(SAS_MAX_AIP);
1270 
1271 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.pageCode 0x%08x\n",
1272 		   le32_to_cpu(SASConfigPage.pageCode));
1273 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MST_MSI  0x%08x\n",
1274 		   le32_to_cpu(SASConfigPage.MST_MSI));
1275 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_SSP_MCT_TMO  0x%08x\n",
1276 		   le32_to_cpu(SASConfigPage.STP_SSP_MCT_TMO));
1277 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_FRM_TMO  0x%08x\n",
1278 		   le32_to_cpu(SASConfigPage.STP_FRM_TMO));
1279 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_IDLE_TMO  0x%08x\n",
1280 		   le32_to_cpu(SASConfigPage.STP_IDLE_TMO));
1281 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.OPNRJT_RTRY_INTVL  0x%08x\n",
1282 		   le32_to_cpu(SASConfigPage.OPNRJT_RTRY_INTVL));
1283 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO  0x%08x\n",
1284 		   le32_to_cpu(SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
1285 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR  0x%08x\n",
1286 		   le32_to_cpu(SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
1287 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MAX_AIP  0x%08x\n",
1288 		   le32_to_cpu(SASConfigPage.MAX_AIP));
1289 
1290 	memcpy(&payload.cfg_pg, &SASConfigPage,
1291 			 sizeof(SASProtocolTimerConfig_t));
1292 
1293 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
1294 			sizeof(payload), 0);
1295 	if (rc)
1296 		pm8001_tag_free(pm8001_ha, tag);
1297 
1298 	return rc;
1299 }
1300 
1301 /**
1302  * pm80xx_get_encrypt_info - Check for encryption
1303  * @pm8001_ha: our hba card information.
1304  */
1305 static int
1306 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
1307 {
1308 	u32 scratch3_value;
1309 	int ret = -1;
1310 
1311 	/* Read encryption status from SCRATCH PAD 3 */
1312 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1313 
1314 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1315 					SCRATCH_PAD3_ENC_READY) {
1316 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1317 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1318 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1319 						SCRATCH_PAD3_SMF_ENABLED)
1320 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1321 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1322 						SCRATCH_PAD3_SMA_ENABLED)
1323 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1324 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1325 						SCRATCH_PAD3_SMB_ENABLED)
1326 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1327 		pm8001_ha->encrypt_info.status = 0;
1328 		pm8001_dbg(pm8001_ha, INIT,
1329 			   "Encryption: SCRATCH_PAD3_ENC_READY 0x%08X.Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1330 			   scratch3_value,
1331 			   pm8001_ha->encrypt_info.cipher_mode,
1332 			   pm8001_ha->encrypt_info.sec_mode,
1333 			   pm8001_ha->encrypt_info.status);
1334 		ret = 0;
1335 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1336 					SCRATCH_PAD3_ENC_DISABLED) {
1337 		pm8001_dbg(pm8001_ha, INIT,
1338 			   "Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1339 			   scratch3_value);
1340 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1341 		pm8001_ha->encrypt_info.cipher_mode = 0;
1342 		pm8001_ha->encrypt_info.sec_mode = 0;
1343 		ret = 0;
1344 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1345 				SCRATCH_PAD3_ENC_DIS_ERR) {
1346 		pm8001_ha->encrypt_info.status =
1347 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1348 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1349 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1350 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1351 					SCRATCH_PAD3_SMF_ENABLED)
1352 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1353 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1354 					SCRATCH_PAD3_SMA_ENABLED)
1355 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1356 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1357 					SCRATCH_PAD3_SMB_ENABLED)
1358 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1359 		pm8001_dbg(pm8001_ha, INIT,
1360 			   "Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1361 			   scratch3_value,
1362 			   pm8001_ha->encrypt_info.cipher_mode,
1363 			   pm8001_ha->encrypt_info.sec_mode,
1364 			   pm8001_ha->encrypt_info.status);
1365 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1366 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1367 
1368 		pm8001_ha->encrypt_info.status =
1369 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1370 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1371 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1372 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1373 					SCRATCH_PAD3_SMF_ENABLED)
1374 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1375 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1376 					SCRATCH_PAD3_SMA_ENABLED)
1377 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1378 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1379 					SCRATCH_PAD3_SMB_ENABLED)
1380 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1381 
1382 		pm8001_dbg(pm8001_ha, INIT,
1383 			   "Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1384 			   scratch3_value,
1385 			   pm8001_ha->encrypt_info.cipher_mode,
1386 			   pm8001_ha->encrypt_info.sec_mode,
1387 			   pm8001_ha->encrypt_info.status);
1388 	}
1389 	return ret;
1390 }
1391 
1392 /**
1393  * pm80xx_encrypt_update - update flash with encryption information
1394  * @pm8001_ha: our hba card information.
1395  */
1396 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1397 {
1398 	struct kek_mgmt_req payload;
1399 	int rc;
1400 	u32 tag;
1401 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1402 
1403 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1404 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1405 	if (rc)
1406 		return rc;
1407 
1408 	payload.tag = cpu_to_le32(tag);
1409 	/* Currently only one key is used. New KEK index is 1.
1410 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1411 	 */
1412 	payload.new_curidx_ksop =
1413 		cpu_to_le32(((1 << 24) | (1 << 16) | (1 << 8) |
1414 			     KEK_MGMT_SUBOP_KEYCARDUPDATE));
1415 
1416 	pm8001_dbg(pm8001_ha, DEV,
1417 		   "Saving Encryption info to flash. payload 0x%x\n",
1418 		   le32_to_cpu(payload.new_curidx_ksop));
1419 
1420 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
1421 			sizeof(payload), 0);
1422 	if (rc)
1423 		pm8001_tag_free(pm8001_ha, tag);
1424 
1425 	return rc;
1426 }
1427 
1428 /**
1429  * pm80xx_chip_init - the main init function that initializes whole PM8001 chip.
1430  * @pm8001_ha: our hba card information
1431  */
1432 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1433 {
1434 	int ret;
1435 	u8 i = 0;
1436 
1437 	/* check the firmware status */
1438 	if (-1 == check_fw_ready(pm8001_ha)) {
1439 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1440 		return -EBUSY;
1441 	}
1442 
1443 	/* Initialize the controller fatal error flag */
1444 	pm8001_ha->controller_fatal_error = false;
1445 
1446 	/* Initialize pci space address eg: mpi offset */
1447 	ret = init_pci_device_addresses(pm8001_ha);
1448 	if (ret) {
1449 		pm8001_dbg(pm8001_ha, FAIL,
1450 			"Failed to init pci addresses");
1451 		return ret;
1452 	}
1453 	init_default_table_values(pm8001_ha);
1454 	read_main_config_table(pm8001_ha);
1455 	read_general_status_table(pm8001_ha);
1456 	read_inbnd_queue_table(pm8001_ha);
1457 	read_outbnd_queue_table(pm8001_ha);
1458 	read_phy_attr_table(pm8001_ha);
1459 
1460 	/* update main config table ,inbound table and outbound table */
1461 	update_main_config_table(pm8001_ha);
1462 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
1463 		update_inbnd_queue_table(pm8001_ha, i);
1464 		update_outbnd_queue_table(pm8001_ha, i);
1465 	}
1466 	/* notify firmware update finished and check initialization status */
1467 	if (0 == mpi_init_check(pm8001_ha)) {
1468 		pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
1469 	} else
1470 		return -EBUSY;
1471 
1472 	/* send SAS protocol timer configuration page to FW */
1473 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1474 
1475 	/* Check for encryption */
1476 	if (pm8001_ha->chip->encrypt) {
1477 		pm8001_dbg(pm8001_ha, INIT, "Checking for encryption\n");
1478 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1479 		if (ret == -1) {
1480 			pm8001_dbg(pm8001_ha, INIT, "Encryption error !!\n");
1481 			if (pm8001_ha->encrypt_info.status == 0x81) {
1482 				pm8001_dbg(pm8001_ha, INIT,
1483 					   "Encryption enabled with error.Saving encryption key to flash\n");
1484 				pm80xx_encrypt_update(pm8001_ha);
1485 			}
1486 		}
1487 	}
1488 	return 0;
1489 }
1490 
1491 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1492 {
1493 	u32 max_wait_count;
1494 	u32 value;
1495 	u32 gst_len_mpistate;
1496 	int ret;
1497 
1498 	ret = init_pci_device_addresses(pm8001_ha);
1499 	if (ret) {
1500 		pm8001_dbg(pm8001_ha, FAIL,
1501 			"Failed to init pci addresses");
1502 		return ret;
1503 	}
1504 
1505 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1506 	table is stop */
1507 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1508 
1509 	/* wait until Inbound DoorBell Clear Register toggled */
1510 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1511 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
1512 	} else {
1513 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1514 	}
1515 	do {
1516 		msleep(FW_READY_INTERVAL);
1517 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1518 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1519 	} while ((value != 0) && (--max_wait_count));
1520 
1521 	if (!max_wait_count) {
1522 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=%x\n", value);
1523 		return -1;
1524 	}
1525 
1526 	/* check the MPI-State for termination in progress */
1527 	/* wait until Inbound DoorBell Clear Register toggled */
1528 	max_wait_count = 100; /* 2 sec for spcv/ve */
1529 	do {
1530 		msleep(FW_READY_INTERVAL);
1531 		gst_len_mpistate =
1532 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1533 			GST_GSTLEN_MPIS_OFFSET);
1534 		if (GST_MPI_STATE_UNINIT ==
1535 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1536 			break;
1537 	} while (--max_wait_count);
1538 	if (!max_wait_count) {
1539 		pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
1540 			   gst_len_mpistate & GST_MPI_STATE_MASK);
1541 		return -1;
1542 	}
1543 
1544 	return 0;
1545 }
1546 
1547 /**
1548  * pm80xx_fatal_errors - returns non-zero *ONLY* when fatal errors
1549  * @pm8001_ha: our hba card information
1550  *
1551  * Fatal errors are recoverable only after a host reboot.
1552  */
1553 int
1554 pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha)
1555 {
1556 	int ret = 0;
1557 	u32 scratch_pad_rsvd0 = pm8001_cr32(pm8001_ha, 0,
1558 					    MSGU_SCRATCH_PAD_RSVD_0);
1559 	u32 scratch_pad_rsvd1 = pm8001_cr32(pm8001_ha, 0,
1560 					    MSGU_SCRATCH_PAD_RSVD_1);
1561 	u32 scratch_pad1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1562 	u32 scratch_pad2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1563 	u32 scratch_pad3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1564 
1565 	if (pm8001_ha->chip_id != chip_8006 &&
1566 			pm8001_ha->chip_id != chip_8074 &&
1567 			pm8001_ha->chip_id != chip_8076) {
1568 		return 0;
1569 	}
1570 
1571 	if (MSGU_SCRATCHPAD1_STATE_FATAL_ERROR(scratch_pad1)) {
1572 		pm8001_dbg(pm8001_ha, FAIL,
1573 			"Fatal error SCRATCHPAD1 = 0x%x SCRATCHPAD2 = 0x%x SCRATCHPAD3 = 0x%x SCRATCHPAD_RSVD0 = 0x%x SCRATCHPAD_RSVD1 = 0x%x\n",
1574 				scratch_pad1, scratch_pad2, scratch_pad3,
1575 				scratch_pad_rsvd0, scratch_pad_rsvd1);
1576 		ret = 1;
1577 	}
1578 
1579 	return ret;
1580 }
1581 
1582 /**
1583  * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that all
1584  * FW register status are reset to the originated status.
1585  * @pm8001_ha: our hba card information
1586  */
1587 
1588 static int
1589 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1590 {
1591 	u32 regval;
1592 	u32 bootloader_state;
1593 	u32 ibutton0, ibutton1;
1594 
1595 	/* Process MPI table uninitialization only if FW is ready */
1596 	if (!pm8001_ha->controller_fatal_error) {
1597 		/* Check if MPI is in ready state to reset */
1598 		if (mpi_uninit_check(pm8001_ha) != 0) {
1599 			u32 r0 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1600 			u32 r1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1601 			u32 r2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1602 			u32 r3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1603 			pm8001_dbg(pm8001_ha, FAIL,
1604 				   "MPI state is not ready scratch: %x:%x:%x:%x\n",
1605 				   r0, r1, r2, r3);
1606 			/* if things aren't ready but the bootloader is ok then
1607 			 * try the reset anyway.
1608 			 */
1609 			if (r1 & SCRATCH_PAD1_BOOTSTATE_MASK)
1610 				return -1;
1611 		}
1612 	}
1613 	/* checked for reset register normal state; 0x0 */
1614 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1615 	pm8001_dbg(pm8001_ha, INIT, "reset register before write : 0x%x\n",
1616 		   regval);
1617 
1618 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1619 	msleep(500);
1620 
1621 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1622 	pm8001_dbg(pm8001_ha, INIT, "reset register after write 0x%x\n",
1623 		   regval);
1624 
1625 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1626 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1627 		pm8001_dbg(pm8001_ha, MSG,
1628 			   " soft reset successful [regval: 0x%x]\n",
1629 			   regval);
1630 	} else {
1631 		pm8001_dbg(pm8001_ha, MSG,
1632 			   " soft reset failed [regval: 0x%x]\n",
1633 			   regval);
1634 
1635 		/* check bootloader is successfully executed or in HDA mode */
1636 		bootloader_state =
1637 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1638 			SCRATCH_PAD1_BOOTSTATE_MASK;
1639 
1640 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1641 			pm8001_dbg(pm8001_ha, MSG,
1642 				   "Bootloader state - HDA mode SEEPROM\n");
1643 		} else if (bootloader_state ==
1644 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1645 			pm8001_dbg(pm8001_ha, MSG,
1646 				   "Bootloader state - HDA mode Bootstrap Pin\n");
1647 		} else if (bootloader_state ==
1648 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1649 			pm8001_dbg(pm8001_ha, MSG,
1650 				   "Bootloader state - HDA mode soft reset\n");
1651 		} else if (bootloader_state ==
1652 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1653 			pm8001_dbg(pm8001_ha, MSG,
1654 				   "Bootloader state-HDA mode critical error\n");
1655 		}
1656 		return -EBUSY;
1657 	}
1658 
1659 	/* check the firmware status after reset */
1660 	if (-1 == check_fw_ready(pm8001_ha)) {
1661 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1662 		/* check iButton feature support for motherboard controller */
1663 		if (pm8001_ha->pdev->subsystem_vendor !=
1664 			PCI_VENDOR_ID_ADAPTEC2 &&
1665 			pm8001_ha->pdev->subsystem_vendor !=
1666 			PCI_VENDOR_ID_ATTO &&
1667 			pm8001_ha->pdev->subsystem_vendor != 0) {
1668 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1669 					       MSGU_SCRATCH_PAD_RSVD_0);
1670 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1671 					       MSGU_SCRATCH_PAD_RSVD_1);
1672 			if (!ibutton0 && !ibutton1) {
1673 				pm8001_dbg(pm8001_ha, FAIL,
1674 					   "iButton Feature is not Available!!!\n");
1675 				return -EBUSY;
1676 			}
1677 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1678 				pm8001_dbg(pm8001_ha, FAIL,
1679 					   "CRC Check for iButton Feature Failed!!!\n");
1680 				return -EBUSY;
1681 			}
1682 		}
1683 	}
1684 	pm8001_dbg(pm8001_ha, INIT, "SPCv soft reset Complete\n");
1685 	return 0;
1686 }
1687 
1688 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1689 {
1690 	u32 i;
1691 
1692 	pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1693 
1694 	/* do SPCv chip reset. */
1695 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1696 	pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1697 
1698 	/* Check this ..whether delay is required or no */
1699 	/* delay 10 usec */
1700 	udelay(10);
1701 
1702 	/* wait for 20 msec until the firmware gets reloaded */
1703 	i = 20;
1704 	do {
1705 		mdelay(1);
1706 	} while ((--i) != 0);
1707 
1708 	pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1709 }
1710 
1711 /**
1712  * pm80xx_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1713  * @pm8001_ha: our hba card information
1714  */
1715 static void
1716 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1717 {
1718 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1719 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1720 }
1721 
1722 /**
1723  * pm80xx_chip_intx_interrupt_disable - disable PM8001 chip interrupt
1724  * @pm8001_ha: our hba card information
1725  */
1726 static void
1727 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1728 {
1729 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1730 }
1731 
1732 /**
1733  * pm80xx_chip_interrupt_enable - enable PM8001 chip interrupt
1734  * @pm8001_ha: our hba card information
1735  * @vec: interrupt number to enable
1736  */
1737 static void
1738 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1739 {
1740 #ifdef PM8001_USE_MSIX
1741 	if (vec < 32)
1742 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, 1U << vec);
1743 	else
1744 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR_U,
1745 			    1U << (vec - 32));
1746 	return;
1747 #endif
1748 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1749 
1750 }
1751 
1752 /**
1753  * pm80xx_chip_interrupt_disable - disable PM8001 chip interrupt
1754  * @pm8001_ha: our hba card information
1755  * @vec: interrupt number to disable
1756  */
1757 static void
1758 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1759 {
1760 #ifdef PM8001_USE_MSIX
1761 	if (vec == 0xFF) {
1762 		/* disable all vectors 0-31, 32-63 */
1763 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, 0xFFFFFFFF);
1764 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_U, 0xFFFFFFFF);
1765 	} else if (vec < 32)
1766 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, 1U << vec);
1767 	else
1768 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_U,
1769 			    1U << (vec - 32));
1770 	return;
1771 #endif
1772 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1773 }
1774 
1775 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1776 		struct pm8001_device *pm8001_ha_dev)
1777 {
1778 	struct pm8001_ccb_info *ccb;
1779 	struct sas_task *task;
1780 	struct task_abort_req task_abort;
1781 	u32 opc = OPC_INB_SATA_ABORT;
1782 	int ret;
1783 
1784 	pm8001_ha_dev->id |= NCQ_ABORT_ALL_FLAG;
1785 	pm8001_ha_dev->id &= ~NCQ_READ_LOG_FLAG;
1786 
1787 	task = sas_alloc_slow_task(GFP_ATOMIC);
1788 	if (!task) {
1789 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1790 		return;
1791 	}
1792 	task->task_done = pm8001_task_done;
1793 
1794 	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task);
1795 	if (!ccb) {
1796 		sas_free_task(task);
1797 		return;
1798 	}
1799 
1800 	memset(&task_abort, 0, sizeof(task_abort));
1801 	task_abort.abort_all = cpu_to_le32(1);
1802 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1803 	task_abort.tag = cpu_to_le32(ccb->ccb_tag);
1804 
1805 	ret = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
1806 				   sizeof(task_abort), 0);
1807 	pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n");
1808 	if (ret) {
1809 		sas_free_task(task);
1810 		pm8001_ccb_free(pm8001_ha, ccb);
1811 	}
1812 }
1813 
1814 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1815 		struct pm8001_device *pm8001_ha_dev)
1816 {
1817 	struct sata_start_req sata_cmd;
1818 	int res;
1819 	struct pm8001_ccb_info *ccb;
1820 	struct sas_task *task = NULL;
1821 	struct host_to_dev_fis fis;
1822 	struct domain_device *dev;
1823 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1824 
1825 	task = sas_alloc_slow_task(GFP_ATOMIC);
1826 	if (!task) {
1827 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1828 		return;
1829 	}
1830 	task->task_done = pm8001_task_done;
1831 
1832 	/*
1833 	 * Allocate domain device by ourselves as libsas is not going to
1834 	 * provide any.
1835 	 */
1836 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1837 	if (!dev) {
1838 		sas_free_task(task);
1839 		pm8001_dbg(pm8001_ha, FAIL,
1840 			   "Domain device cannot be allocated\n");
1841 		return;
1842 	}
1843 
1844 	task->dev = dev;
1845 	task->dev->lldd_dev = pm8001_ha_dev;
1846 
1847 	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task);
1848 	if (!ccb) {
1849 		sas_free_task(task);
1850 		kfree(dev);
1851 		return;
1852 	}
1853 
1854 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1855 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1856 
1857 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1858 
1859 	/* construct read log FIS */
1860 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1861 	fis.fis_type = 0x27;
1862 	fis.flags = 0x80;
1863 	fis.command = ATA_CMD_READ_LOG_EXT;
1864 	fis.lbal = 0x10;
1865 	fis.sector_count = 0x1;
1866 
1867 	sata_cmd.tag = cpu_to_le32(ccb->ccb_tag);
1868 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1869 	sata_cmd.ncqtag_atap_dir_m_dad = cpu_to_le32(((0x1 << 7) | (0x5 << 9)));
1870 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1871 
1872 	res = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
1873 				   sizeof(sata_cmd), 0);
1874 	pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n");
1875 	if (res) {
1876 		sas_free_task(task);
1877 		pm8001_ccb_free(pm8001_ha, ccb);
1878 		kfree(dev);
1879 	}
1880 }
1881 
1882 /**
1883  * mpi_ssp_completion - process the event that FW response to the SSP request.
1884  * @pm8001_ha: our hba card information
1885  * @piomb: the message contents of this outbound message.
1886  *
1887  * When FW has completed a ssp request for example a IO request, after it has
1888  * filled the SG data with the data, it will trigger this event representing
1889  * that he has finished the job; please check the corresponding buffer.
1890  * So we will tell the caller who maybe waiting the result to tell upper layer
1891  * that the task has been finished.
1892  */
1893 static void
1894 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1895 {
1896 	struct sas_task *t;
1897 	struct pm8001_ccb_info *ccb;
1898 	unsigned long flags;
1899 	u32 status;
1900 	u32 param;
1901 	u32 tag;
1902 	struct ssp_completion_resp *psspPayload;
1903 	struct task_status_struct *ts;
1904 	struct ssp_response_iu *iu;
1905 	struct pm8001_device *pm8001_dev;
1906 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1907 	status = le32_to_cpu(psspPayload->status);
1908 	tag = le32_to_cpu(psspPayload->tag);
1909 	ccb = &pm8001_ha->ccb_info[tag];
1910 	if ((status == IO_ABORTED) && ccb->open_retry) {
1911 		/* Being completed by another */
1912 		ccb->open_retry = 0;
1913 		return;
1914 	}
1915 	pm8001_dev = ccb->device;
1916 	param = le32_to_cpu(psspPayload->param);
1917 	t = ccb->task;
1918 
1919 	if (status && status != IO_UNDERFLOW)
1920 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1921 	if (unlikely(!t || !t->lldd_task || !t->dev))
1922 		return;
1923 	ts = &t->task_status;
1924 
1925 	pm8001_dbg(pm8001_ha, DEV,
1926 		   "tag::0x%x, status::0x%x task::0x%p\n", tag, status, t);
1927 
1928 	/* Print sas address of IO failed device */
1929 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1930 		(status != IO_UNDERFLOW))
1931 		pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1932 			   SAS_ADDR(t->dev->sas_addr));
1933 
1934 	switch (status) {
1935 	case IO_SUCCESS:
1936 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS ,param = 0x%x\n",
1937 			   param);
1938 		if (param == 0) {
1939 			ts->resp = SAS_TASK_COMPLETE;
1940 			ts->stat = SAS_SAM_STAT_GOOD;
1941 		} else {
1942 			ts->resp = SAS_TASK_COMPLETE;
1943 			ts->stat = SAS_PROTO_RESPONSE;
1944 			ts->residual = param;
1945 			iu = &psspPayload->ssp_resp_iu;
1946 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1947 		}
1948 		if (pm8001_dev)
1949 			atomic_dec(&pm8001_dev->running_req);
1950 		break;
1951 	case IO_ABORTED:
1952 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1953 		ts->resp = SAS_TASK_COMPLETE;
1954 		ts->stat = SAS_ABORTED_TASK;
1955 		if (pm8001_dev)
1956 			atomic_dec(&pm8001_dev->running_req);
1957 		break;
1958 	case IO_UNDERFLOW:
1959 		/* SSP Completion with error */
1960 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW ,param = 0x%x\n",
1961 			   param);
1962 		ts->resp = SAS_TASK_COMPLETE;
1963 		ts->stat = SAS_DATA_UNDERRUN;
1964 		ts->residual = param;
1965 		if (pm8001_dev)
1966 			atomic_dec(&pm8001_dev->running_req);
1967 		break;
1968 	case IO_NO_DEVICE:
1969 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1970 		ts->resp = SAS_TASK_UNDELIVERED;
1971 		ts->stat = SAS_PHY_DOWN;
1972 		if (pm8001_dev)
1973 			atomic_dec(&pm8001_dev->running_req);
1974 		break;
1975 	case IO_XFER_ERROR_BREAK:
1976 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1977 		ts->resp = SAS_TASK_COMPLETE;
1978 		ts->stat = SAS_OPEN_REJECT;
1979 		/* Force the midlayer to retry */
1980 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1981 		if (pm8001_dev)
1982 			atomic_dec(&pm8001_dev->running_req);
1983 		break;
1984 	case IO_XFER_ERROR_PHY_NOT_READY:
1985 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\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_XFER_ERROR_INVALID_SSP_RSP_FRAME:
1993 		pm8001_dbg(pm8001_ha, IO,
1994 			   "IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n");
1995 		ts->resp = SAS_TASK_COMPLETE;
1996 		ts->stat = SAS_OPEN_REJECT;
1997 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1998 		if (pm8001_dev)
1999 			atomic_dec(&pm8001_dev->running_req);
2000 		break;
2001 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2002 		pm8001_dbg(pm8001_ha, IO,
2003 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2004 		ts->resp = SAS_TASK_COMPLETE;
2005 		ts->stat = SAS_OPEN_REJECT;
2006 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2007 		if (pm8001_dev)
2008 			atomic_dec(&pm8001_dev->running_req);
2009 		break;
2010 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2011 		pm8001_dbg(pm8001_ha, IO,
2012 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2013 		ts->resp = SAS_TASK_COMPLETE;
2014 		ts->stat = SAS_OPEN_REJECT;
2015 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2016 		if (pm8001_dev)
2017 			atomic_dec(&pm8001_dev->running_req);
2018 		break;
2019 	case IO_OPEN_CNX_ERROR_BREAK:
2020 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2021 		ts->resp = SAS_TASK_COMPLETE;
2022 		ts->stat = SAS_OPEN_REJECT;
2023 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2024 		if (pm8001_dev)
2025 			atomic_dec(&pm8001_dev->running_req);
2026 		break;
2027 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2028 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2029 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2030 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2031 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2032 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2033 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2034 		ts->resp = SAS_TASK_COMPLETE;
2035 		ts->stat = SAS_OPEN_REJECT;
2036 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2037 		if (!t->uldd_task)
2038 			pm8001_handle_event(pm8001_ha,
2039 				pm8001_dev,
2040 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2041 		break;
2042 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2043 		pm8001_dbg(pm8001_ha, IO,
2044 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2045 		ts->resp = SAS_TASK_COMPLETE;
2046 		ts->stat = SAS_OPEN_REJECT;
2047 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2048 		if (pm8001_dev)
2049 			atomic_dec(&pm8001_dev->running_req);
2050 		break;
2051 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2052 		pm8001_dbg(pm8001_ha, IO,
2053 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2054 		ts->resp = SAS_TASK_COMPLETE;
2055 		ts->stat = SAS_OPEN_REJECT;
2056 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2057 		if (pm8001_dev)
2058 			atomic_dec(&pm8001_dev->running_req);
2059 		break;
2060 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2061 		pm8001_dbg(pm8001_ha, IO,
2062 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2063 		ts->resp = SAS_TASK_UNDELIVERED;
2064 		ts->stat = SAS_OPEN_REJECT;
2065 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2066 		if (pm8001_dev)
2067 			atomic_dec(&pm8001_dev->running_req);
2068 		break;
2069 	case IO_XFER_ERROR_NAK_RECEIVED:
2070 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2071 		ts->resp = SAS_TASK_COMPLETE;
2072 		ts->stat = SAS_OPEN_REJECT;
2073 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2074 		if (pm8001_dev)
2075 			atomic_dec(&pm8001_dev->running_req);
2076 		break;
2077 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2078 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2079 		ts->resp = SAS_TASK_COMPLETE;
2080 		ts->stat = SAS_NAK_R_ERR;
2081 		if (pm8001_dev)
2082 			atomic_dec(&pm8001_dev->running_req);
2083 		break;
2084 	case IO_XFER_ERROR_DMA:
2085 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2086 		ts->resp = SAS_TASK_COMPLETE;
2087 		ts->stat = SAS_OPEN_REJECT;
2088 		if (pm8001_dev)
2089 			atomic_dec(&pm8001_dev->running_req);
2090 		break;
2091 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2092 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2093 		ts->resp = SAS_TASK_COMPLETE;
2094 		ts->stat = SAS_OPEN_REJECT;
2095 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2096 		if (pm8001_dev)
2097 			atomic_dec(&pm8001_dev->running_req);
2098 		break;
2099 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2100 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2101 		ts->resp = SAS_TASK_COMPLETE;
2102 		ts->stat = SAS_OPEN_REJECT;
2103 		if (pm8001_dev)
2104 			atomic_dec(&pm8001_dev->running_req);
2105 		break;
2106 	case IO_PORT_IN_RESET:
2107 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2108 		ts->resp = SAS_TASK_COMPLETE;
2109 		ts->stat = SAS_OPEN_REJECT;
2110 		if (pm8001_dev)
2111 			atomic_dec(&pm8001_dev->running_req);
2112 		break;
2113 	case IO_DS_NON_OPERATIONAL:
2114 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2115 		ts->resp = SAS_TASK_COMPLETE;
2116 		ts->stat = SAS_OPEN_REJECT;
2117 		if (!t->uldd_task)
2118 			pm8001_handle_event(pm8001_ha,
2119 				pm8001_dev,
2120 				IO_DS_NON_OPERATIONAL);
2121 		break;
2122 	case IO_DS_IN_RECOVERY:
2123 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2124 		ts->resp = SAS_TASK_COMPLETE;
2125 		ts->stat = SAS_OPEN_REJECT;
2126 		if (pm8001_dev)
2127 			atomic_dec(&pm8001_dev->running_req);
2128 		break;
2129 	case IO_TM_TAG_NOT_FOUND:
2130 		pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2131 		ts->resp = SAS_TASK_COMPLETE;
2132 		ts->stat = SAS_OPEN_REJECT;
2133 		if (pm8001_dev)
2134 			atomic_dec(&pm8001_dev->running_req);
2135 		break;
2136 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2137 		pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2138 		ts->resp = SAS_TASK_COMPLETE;
2139 		ts->stat = SAS_OPEN_REJECT;
2140 		if (pm8001_dev)
2141 			atomic_dec(&pm8001_dev->running_req);
2142 		break;
2143 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2144 		pm8001_dbg(pm8001_ha, IO,
2145 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2146 		ts->resp = SAS_TASK_COMPLETE;
2147 		ts->stat = SAS_OPEN_REJECT;
2148 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2149 		if (pm8001_dev)
2150 			atomic_dec(&pm8001_dev->running_req);
2151 		break;
2152 	default:
2153 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2154 		/* not allowed case. Therefore, return failed status */
2155 		ts->resp = SAS_TASK_COMPLETE;
2156 		ts->stat = SAS_OPEN_REJECT;
2157 		if (pm8001_dev)
2158 			atomic_dec(&pm8001_dev->running_req);
2159 		break;
2160 	}
2161 	pm8001_dbg(pm8001_ha, IO, "scsi_status = 0x%x\n ",
2162 		   psspPayload->ssp_resp_iu.status);
2163 	spin_lock_irqsave(&t->task_state_lock, flags);
2164 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2165 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2166 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2167 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2168 		pm8001_dbg(pm8001_ha, FAIL,
2169 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2170 			   t, status, ts->resp, ts->stat);
2171 		pm8001_ccb_task_free(pm8001_ha, ccb);
2172 		if (t->slow_task)
2173 			complete(&t->slow_task->completion);
2174 	} else {
2175 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2176 		pm8001_ccb_task_free_done(pm8001_ha, ccb);
2177 	}
2178 }
2179 
2180 /*See the comments for mpi_ssp_completion */
2181 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2182 {
2183 	struct sas_task *t;
2184 	unsigned long flags;
2185 	struct task_status_struct *ts;
2186 	struct pm8001_ccb_info *ccb;
2187 	struct pm8001_device *pm8001_dev;
2188 	struct ssp_event_resp *psspPayload =
2189 		(struct ssp_event_resp *)(piomb + 4);
2190 	u32 event = le32_to_cpu(psspPayload->event);
2191 	u32 tag = le32_to_cpu(psspPayload->tag);
2192 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2193 
2194 	ccb = &pm8001_ha->ccb_info[tag];
2195 	t = ccb->task;
2196 	pm8001_dev = ccb->device;
2197 	if (event)
2198 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2199 	if (unlikely(!t || !t->lldd_task || !t->dev))
2200 		return;
2201 	ts = &t->task_status;
2202 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2203 		   port_id, tag, event);
2204 	switch (event) {
2205 	case IO_OVERFLOW:
2206 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2207 		ts->resp = SAS_TASK_COMPLETE;
2208 		ts->stat = SAS_DATA_OVERRUN;
2209 		ts->residual = 0;
2210 		if (pm8001_dev)
2211 			atomic_dec(&pm8001_dev->running_req);
2212 		break;
2213 	case IO_XFER_ERROR_BREAK:
2214 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2215 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2216 		return;
2217 	case IO_XFER_ERROR_PHY_NOT_READY:
2218 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2219 		ts->resp = SAS_TASK_COMPLETE;
2220 		ts->stat = SAS_OPEN_REJECT;
2221 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2222 		break;
2223 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2224 		pm8001_dbg(pm8001_ha, IO,
2225 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2226 		ts->resp = SAS_TASK_COMPLETE;
2227 		ts->stat = SAS_OPEN_REJECT;
2228 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2229 		break;
2230 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2231 		pm8001_dbg(pm8001_ha, IO,
2232 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2233 		ts->resp = SAS_TASK_COMPLETE;
2234 		ts->stat = SAS_OPEN_REJECT;
2235 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2236 		break;
2237 	case IO_OPEN_CNX_ERROR_BREAK:
2238 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2239 		ts->resp = SAS_TASK_COMPLETE;
2240 		ts->stat = SAS_OPEN_REJECT;
2241 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2242 		break;
2243 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2244 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2245 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2246 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2247 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2248 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2249 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2250 		ts->resp = SAS_TASK_COMPLETE;
2251 		ts->stat = SAS_OPEN_REJECT;
2252 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2253 		if (!t->uldd_task)
2254 			pm8001_handle_event(pm8001_ha,
2255 				pm8001_dev,
2256 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2257 		break;
2258 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2259 		pm8001_dbg(pm8001_ha, IO,
2260 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2261 		ts->resp = SAS_TASK_COMPLETE;
2262 		ts->stat = SAS_OPEN_REJECT;
2263 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2264 		break;
2265 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2266 		pm8001_dbg(pm8001_ha, IO,
2267 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2268 		ts->resp = SAS_TASK_COMPLETE;
2269 		ts->stat = SAS_OPEN_REJECT;
2270 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2271 		break;
2272 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2273 		pm8001_dbg(pm8001_ha, IO,
2274 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2275 		ts->resp = SAS_TASK_COMPLETE;
2276 		ts->stat = SAS_OPEN_REJECT;
2277 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2278 		break;
2279 	case IO_XFER_ERROR_NAK_RECEIVED:
2280 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2281 		ts->resp = SAS_TASK_COMPLETE;
2282 		ts->stat = SAS_OPEN_REJECT;
2283 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2284 		break;
2285 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2286 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2287 		ts->resp = SAS_TASK_COMPLETE;
2288 		ts->stat = SAS_NAK_R_ERR;
2289 		break;
2290 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2291 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2292 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2293 		return;
2294 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2295 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2296 		ts->resp = SAS_TASK_COMPLETE;
2297 		ts->stat = SAS_DATA_OVERRUN;
2298 		break;
2299 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2300 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2301 		ts->resp = SAS_TASK_COMPLETE;
2302 		ts->stat = SAS_DATA_OVERRUN;
2303 		break;
2304 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2305 		pm8001_dbg(pm8001_ha, IO,
2306 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2307 		ts->resp = SAS_TASK_COMPLETE;
2308 		ts->stat = SAS_DATA_OVERRUN;
2309 		break;
2310 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2311 		pm8001_dbg(pm8001_ha, IO,
2312 			   "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2313 		ts->resp = SAS_TASK_COMPLETE;
2314 		ts->stat = SAS_DATA_OVERRUN;
2315 		break;
2316 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2317 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2318 		ts->resp = SAS_TASK_COMPLETE;
2319 		ts->stat = SAS_DATA_OVERRUN;
2320 		break;
2321 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2322 		pm8001_dbg(pm8001_ha, IO,
2323 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2324 		ts->resp = SAS_TASK_COMPLETE;
2325 		ts->stat = SAS_DATA_OVERRUN;
2326 		break;
2327 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2328 		pm8001_dbg(pm8001_ha, IOERR,
2329 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2330 		/* TBC: used default set values */
2331 		ts->resp = SAS_TASK_COMPLETE;
2332 		ts->stat = SAS_DATA_OVERRUN;
2333 		break;
2334 	case IO_XFER_CMD_FRAME_ISSUED:
2335 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2336 		return;
2337 	default:
2338 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2339 		/* not allowed case. Therefore, return failed status */
2340 		ts->resp = SAS_TASK_COMPLETE;
2341 		ts->stat = SAS_DATA_OVERRUN;
2342 		break;
2343 	}
2344 	spin_lock_irqsave(&t->task_state_lock, flags);
2345 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2346 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2347 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2348 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2349 		pm8001_dbg(pm8001_ha, FAIL,
2350 			   "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2351 			   t, event, ts->resp, ts->stat);
2352 		pm8001_ccb_task_free(pm8001_ha, ccb);
2353 	} else {
2354 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2355 		pm8001_ccb_task_free_done(pm8001_ha, ccb);
2356 	}
2357 }
2358 
2359 /*See the comments for mpi_ssp_completion */
2360 static void
2361 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha,
2362 		struct outbound_queue_table *circularQ, void *piomb)
2363 {
2364 	struct sas_task *t;
2365 	struct pm8001_ccb_info *ccb;
2366 	u32 param;
2367 	u32 status;
2368 	u32 tag;
2369 	int i, j;
2370 	u8 sata_addr_low[4];
2371 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2372 	u8 sata_addr_hi[4];
2373 	struct sata_completion_resp *psataPayload;
2374 	struct task_status_struct *ts;
2375 	struct ata_task_resp *resp ;
2376 	u32 *sata_resp;
2377 	struct pm8001_device *pm8001_dev;
2378 	unsigned long flags;
2379 
2380 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2381 	status = le32_to_cpu(psataPayload->status);
2382 	param = le32_to_cpu(psataPayload->param);
2383 	tag = le32_to_cpu(psataPayload->tag);
2384 
2385 	ccb = &pm8001_ha->ccb_info[tag];
2386 	t = ccb->task;
2387 	pm8001_dev = ccb->device;
2388 
2389 	if (t) {
2390 		if (t->dev && (t->dev->lldd_dev))
2391 			pm8001_dev = t->dev->lldd_dev;
2392 	} else {
2393 		pm8001_dbg(pm8001_ha, FAIL, "task null\n");
2394 		return;
2395 	}
2396 
2397 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2398 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2399 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2400 		return;
2401 	}
2402 
2403 	ts = &t->task_status;
2404 
2405 	if (status != IO_SUCCESS) {
2406 		pm8001_dbg(pm8001_ha, FAIL,
2407 			"IO failed device_id %u status 0x%x tag %d\n",
2408 			pm8001_dev->device_id, status, tag);
2409 	}
2410 
2411 	/* Print sas address of IO failed device */
2412 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2413 		(status != IO_UNDERFLOW)) {
2414 		if (!((t->dev->parent) &&
2415 			(dev_is_expander(t->dev->parent->dev_type)))) {
2416 			for (i = 0, j = 4; i <= 3 && j <= 7; i++, j++)
2417 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2418 			for (i = 0, j = 0; i <= 3 && j <= 3; i++, j++)
2419 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2420 			memcpy(&temp_sata_addr_low, sata_addr_low,
2421 				sizeof(sata_addr_low));
2422 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2423 				sizeof(sata_addr_hi));
2424 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2425 						|((temp_sata_addr_hi << 8) &
2426 						0xff0000) |
2427 						((temp_sata_addr_hi >> 8)
2428 						& 0xff00) |
2429 						((temp_sata_addr_hi << 24) &
2430 						0xff000000));
2431 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2432 						& 0xff) |
2433 						((temp_sata_addr_low << 8)
2434 						& 0xff0000) |
2435 						((temp_sata_addr_low >> 8)
2436 						& 0xff00) |
2437 						((temp_sata_addr_low << 24)
2438 						& 0xff000000)) +
2439 						pm8001_dev->attached_phy +
2440 						0x10);
2441 			pm8001_dbg(pm8001_ha, FAIL,
2442 				   "SAS Address of IO Failure Drive:%08x%08x\n",
2443 				   temp_sata_addr_hi,
2444 				   temp_sata_addr_low);
2445 
2446 		} else {
2447 			pm8001_dbg(pm8001_ha, FAIL,
2448 				   "SAS Address of IO Failure Drive:%016llx\n",
2449 				   SAS_ADDR(t->dev->sas_addr));
2450 		}
2451 	}
2452 	switch (status) {
2453 	case IO_SUCCESS:
2454 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2455 		if (param == 0) {
2456 			ts->resp = SAS_TASK_COMPLETE;
2457 			ts->stat = SAS_SAM_STAT_GOOD;
2458 			/* check if response is for SEND READ LOG */
2459 			if (pm8001_dev &&
2460 			    (pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2461 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2462 				/* Free the tag */
2463 				pm8001_tag_free(pm8001_ha, tag);
2464 				sas_free_task(t);
2465 				return;
2466 			}
2467 		} else {
2468 			u8 len;
2469 			ts->resp = SAS_TASK_COMPLETE;
2470 			ts->stat = SAS_PROTO_RESPONSE;
2471 			ts->residual = param;
2472 			pm8001_dbg(pm8001_ha, IO,
2473 				   "SAS_PROTO_RESPONSE len = %d\n",
2474 				   param);
2475 			sata_resp = &psataPayload->sata_resp[0];
2476 			resp = (struct ata_task_resp *)ts->buf;
2477 			if (t->ata_task.dma_xfer == 0 &&
2478 			    t->data_dir == DMA_FROM_DEVICE) {
2479 				len = sizeof(struct pio_setup_fis);
2480 				pm8001_dbg(pm8001_ha, IO,
2481 					   "PIO read len = %d\n", len);
2482 			} else if (t->ata_task.use_ncq &&
2483 				   t->data_dir != DMA_NONE) {
2484 				len = sizeof(struct set_dev_bits_fis);
2485 				pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2486 					   len);
2487 			} else {
2488 				len = sizeof(struct dev_to_host_fis);
2489 				pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2490 					   len);
2491 			}
2492 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2493 				resp->frame_len = len;
2494 				memcpy(&resp->ending_fis[0], sata_resp, len);
2495 				ts->buf_valid_size = sizeof(*resp);
2496 			} else
2497 				pm8001_dbg(pm8001_ha, IO,
2498 					   "response too large\n");
2499 		}
2500 		if (pm8001_dev)
2501 			atomic_dec(&pm8001_dev->running_req);
2502 		break;
2503 	case IO_ABORTED:
2504 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2505 		ts->resp = SAS_TASK_COMPLETE;
2506 		ts->stat = SAS_ABORTED_TASK;
2507 		if (pm8001_dev)
2508 			atomic_dec(&pm8001_dev->running_req);
2509 		break;
2510 		/* following cases are to do cases */
2511 	case IO_UNDERFLOW:
2512 		/* SATA Completion with error */
2513 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2514 		ts->resp = SAS_TASK_COMPLETE;
2515 		ts->stat = SAS_DATA_UNDERRUN;
2516 		ts->residual = param;
2517 		if (pm8001_dev)
2518 			atomic_dec(&pm8001_dev->running_req);
2519 		break;
2520 	case IO_NO_DEVICE:
2521 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2522 		ts->resp = SAS_TASK_UNDELIVERED;
2523 		ts->stat = SAS_PHY_DOWN;
2524 		if (pm8001_dev)
2525 			atomic_dec(&pm8001_dev->running_req);
2526 		break;
2527 	case IO_XFER_ERROR_BREAK:
2528 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2529 		ts->resp = SAS_TASK_COMPLETE;
2530 		ts->stat = SAS_INTERRUPTED;
2531 		if (pm8001_dev)
2532 			atomic_dec(&pm8001_dev->running_req);
2533 		break;
2534 	case IO_XFER_ERROR_PHY_NOT_READY:
2535 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2536 		ts->resp = SAS_TASK_COMPLETE;
2537 		ts->stat = SAS_OPEN_REJECT;
2538 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2539 		if (pm8001_dev)
2540 			atomic_dec(&pm8001_dev->running_req);
2541 		break;
2542 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2543 		pm8001_dbg(pm8001_ha, IO,
2544 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2545 		ts->resp = SAS_TASK_COMPLETE;
2546 		ts->stat = SAS_OPEN_REJECT;
2547 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2548 		if (pm8001_dev)
2549 			atomic_dec(&pm8001_dev->running_req);
2550 		break;
2551 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2552 		pm8001_dbg(pm8001_ha, IO,
2553 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2554 		ts->resp = SAS_TASK_COMPLETE;
2555 		ts->stat = SAS_OPEN_REJECT;
2556 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2557 		if (pm8001_dev)
2558 			atomic_dec(&pm8001_dev->running_req);
2559 		break;
2560 	case IO_OPEN_CNX_ERROR_BREAK:
2561 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2562 		ts->resp = SAS_TASK_COMPLETE;
2563 		ts->stat = SAS_OPEN_REJECT;
2564 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2565 		if (pm8001_dev)
2566 			atomic_dec(&pm8001_dev->running_req);
2567 		break;
2568 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2569 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2570 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2571 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2572 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2573 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2574 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2575 		ts->resp = SAS_TASK_COMPLETE;
2576 		ts->stat = SAS_DEV_NO_RESPONSE;
2577 		if (!t->uldd_task) {
2578 			pm8001_handle_event(pm8001_ha,
2579 				pm8001_dev,
2580 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2581 			ts->resp = SAS_TASK_UNDELIVERED;
2582 			ts->stat = SAS_QUEUE_FULL;
2583 			spin_unlock_irqrestore(&circularQ->oq_lock,
2584 					circularQ->lock_flags);
2585 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2586 			spin_lock_irqsave(&circularQ->oq_lock,
2587 					circularQ->lock_flags);
2588 			return;
2589 		}
2590 		break;
2591 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2592 		pm8001_dbg(pm8001_ha, IO,
2593 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2594 		ts->resp = SAS_TASK_UNDELIVERED;
2595 		ts->stat = SAS_OPEN_REJECT;
2596 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2597 		if (!t->uldd_task) {
2598 			pm8001_handle_event(pm8001_ha,
2599 				pm8001_dev,
2600 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2601 			ts->resp = SAS_TASK_UNDELIVERED;
2602 			ts->stat = SAS_QUEUE_FULL;
2603 			spin_unlock_irqrestore(&circularQ->oq_lock,
2604 					circularQ->lock_flags);
2605 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2606 			spin_lock_irqsave(&circularQ->oq_lock,
2607 					circularQ->lock_flags);
2608 			return;
2609 		}
2610 		break;
2611 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2612 		pm8001_dbg(pm8001_ha, IO,
2613 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2614 		ts->resp = SAS_TASK_COMPLETE;
2615 		ts->stat = SAS_OPEN_REJECT;
2616 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2617 		if (pm8001_dev)
2618 			atomic_dec(&pm8001_dev->running_req);
2619 		break;
2620 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2621 		pm8001_dbg(pm8001_ha, IO,
2622 			   "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2623 		ts->resp = SAS_TASK_COMPLETE;
2624 		ts->stat = SAS_DEV_NO_RESPONSE;
2625 		if (!t->uldd_task) {
2626 			pm8001_handle_event(pm8001_ha,
2627 				pm8001_dev,
2628 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2629 			ts->resp = SAS_TASK_UNDELIVERED;
2630 			ts->stat = SAS_QUEUE_FULL;
2631 			spin_unlock_irqrestore(&circularQ->oq_lock,
2632 					circularQ->lock_flags);
2633 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2634 			spin_lock_irqsave(&circularQ->oq_lock,
2635 					circularQ->lock_flags);
2636 			return;
2637 		}
2638 		break;
2639 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2640 		pm8001_dbg(pm8001_ha, IO,
2641 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2642 		ts->resp = SAS_TASK_COMPLETE;
2643 		ts->stat = SAS_OPEN_REJECT;
2644 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2645 		if (pm8001_dev)
2646 			atomic_dec(&pm8001_dev->running_req);
2647 		break;
2648 	case IO_XFER_ERROR_NAK_RECEIVED:
2649 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2650 		ts->resp = SAS_TASK_COMPLETE;
2651 		ts->stat = SAS_NAK_R_ERR;
2652 		if (pm8001_dev)
2653 			atomic_dec(&pm8001_dev->running_req);
2654 		break;
2655 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2656 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2657 		ts->resp = SAS_TASK_COMPLETE;
2658 		ts->stat = SAS_NAK_R_ERR;
2659 		if (pm8001_dev)
2660 			atomic_dec(&pm8001_dev->running_req);
2661 		break;
2662 	case IO_XFER_ERROR_DMA:
2663 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2664 		ts->resp = SAS_TASK_COMPLETE;
2665 		ts->stat = SAS_ABORTED_TASK;
2666 		if (pm8001_dev)
2667 			atomic_dec(&pm8001_dev->running_req);
2668 		break;
2669 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2670 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2671 		ts->resp = SAS_TASK_UNDELIVERED;
2672 		ts->stat = SAS_DEV_NO_RESPONSE;
2673 		if (pm8001_dev)
2674 			atomic_dec(&pm8001_dev->running_req);
2675 		break;
2676 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2677 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2678 		ts->resp = SAS_TASK_COMPLETE;
2679 		ts->stat = SAS_DATA_UNDERRUN;
2680 		if (pm8001_dev)
2681 			atomic_dec(&pm8001_dev->running_req);
2682 		break;
2683 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2684 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2685 		ts->resp = SAS_TASK_COMPLETE;
2686 		ts->stat = SAS_OPEN_TO;
2687 		if (pm8001_dev)
2688 			atomic_dec(&pm8001_dev->running_req);
2689 		break;
2690 	case IO_PORT_IN_RESET:
2691 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2692 		ts->resp = SAS_TASK_COMPLETE;
2693 		ts->stat = SAS_DEV_NO_RESPONSE;
2694 		if (pm8001_dev)
2695 			atomic_dec(&pm8001_dev->running_req);
2696 		break;
2697 	case IO_DS_NON_OPERATIONAL:
2698 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2699 		ts->resp = SAS_TASK_COMPLETE;
2700 		ts->stat = SAS_DEV_NO_RESPONSE;
2701 		if (!t->uldd_task) {
2702 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2703 					IO_DS_NON_OPERATIONAL);
2704 			ts->resp = SAS_TASK_UNDELIVERED;
2705 			ts->stat = SAS_QUEUE_FULL;
2706 			spin_unlock_irqrestore(&circularQ->oq_lock,
2707 					circularQ->lock_flags);
2708 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2709 			spin_lock_irqsave(&circularQ->oq_lock,
2710 					circularQ->lock_flags);
2711 			return;
2712 		}
2713 		break;
2714 	case IO_DS_IN_RECOVERY:
2715 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2716 		ts->resp = SAS_TASK_COMPLETE;
2717 		ts->stat = SAS_DEV_NO_RESPONSE;
2718 		if (pm8001_dev)
2719 			atomic_dec(&pm8001_dev->running_req);
2720 		break;
2721 	case IO_DS_IN_ERROR:
2722 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2723 		ts->resp = SAS_TASK_COMPLETE;
2724 		ts->stat = SAS_DEV_NO_RESPONSE;
2725 		if (!t->uldd_task) {
2726 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2727 					IO_DS_IN_ERROR);
2728 			ts->resp = SAS_TASK_UNDELIVERED;
2729 			ts->stat = SAS_QUEUE_FULL;
2730 			spin_unlock_irqrestore(&circularQ->oq_lock,
2731 					circularQ->lock_flags);
2732 			pm8001_ccb_task_free_done(pm8001_ha, ccb);
2733 			spin_lock_irqsave(&circularQ->oq_lock,
2734 					circularQ->lock_flags);
2735 			return;
2736 		}
2737 		break;
2738 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2739 		pm8001_dbg(pm8001_ha, IO,
2740 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2741 		ts->resp = SAS_TASK_COMPLETE;
2742 		ts->stat = SAS_OPEN_REJECT;
2743 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2744 		if (pm8001_dev)
2745 			atomic_dec(&pm8001_dev->running_req);
2746 		break;
2747 	default:
2748 		pm8001_dbg(pm8001_ha, DEVIO,
2749 				"Unknown status device_id %u status 0x%x tag %d\n",
2750 			pm8001_dev->device_id, status, tag);
2751 		/* not allowed case. Therefore, return failed status */
2752 		ts->resp = SAS_TASK_COMPLETE;
2753 		ts->stat = SAS_DEV_NO_RESPONSE;
2754 		if (pm8001_dev)
2755 			atomic_dec(&pm8001_dev->running_req);
2756 		break;
2757 	}
2758 	spin_lock_irqsave(&t->task_state_lock, flags);
2759 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2760 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2761 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2762 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2763 		pm8001_dbg(pm8001_ha, FAIL,
2764 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2765 			   t, status, ts->resp, ts->stat);
2766 		pm8001_ccb_task_free(pm8001_ha, ccb);
2767 		if (t->slow_task)
2768 			complete(&t->slow_task->completion);
2769 	} else {
2770 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2771 		spin_unlock_irqrestore(&circularQ->oq_lock,
2772 				circularQ->lock_flags);
2773 		pm8001_ccb_task_free_done(pm8001_ha, ccb);
2774 		spin_lock_irqsave(&circularQ->oq_lock,
2775 				circularQ->lock_flags);
2776 	}
2777 }
2778 
2779 /*See the comments for mpi_ssp_completion */
2780 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha,
2781 		struct outbound_queue_table *circularQ, void *piomb)
2782 {
2783 	struct sas_task *t;
2784 	struct task_status_struct *ts;
2785 	struct pm8001_ccb_info *ccb;
2786 	struct pm8001_device *pm8001_dev;
2787 	struct sata_event_resp *psataPayload =
2788 		(struct sata_event_resp *)(piomb + 4);
2789 	u32 event = le32_to_cpu(psataPayload->event);
2790 	u32 tag = le32_to_cpu(psataPayload->tag);
2791 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2792 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2793 
2794 	if (event)
2795 		pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2796 
2797 	/* Check if this is NCQ error */
2798 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2799 		/* find device using device id */
2800 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2801 		/* send read log extension */
2802 		if (pm8001_dev)
2803 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2804 		return;
2805 	}
2806 
2807 	ccb = &pm8001_ha->ccb_info[tag];
2808 	t = ccb->task;
2809 	pm8001_dev = ccb->device;
2810 
2811 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2812 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2813 		return;
2814 	}
2815 
2816 	ts = &t->task_status;
2817 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2818 		   port_id, tag, event);
2819 	switch (event) {
2820 	case IO_OVERFLOW:
2821 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2822 		ts->resp = SAS_TASK_COMPLETE;
2823 		ts->stat = SAS_DATA_OVERRUN;
2824 		ts->residual = 0;
2825 		break;
2826 	case IO_XFER_ERROR_BREAK:
2827 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2828 		ts->resp = SAS_TASK_COMPLETE;
2829 		ts->stat = SAS_INTERRUPTED;
2830 		break;
2831 	case IO_XFER_ERROR_PHY_NOT_READY:
2832 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2833 		ts->resp = SAS_TASK_COMPLETE;
2834 		ts->stat = SAS_OPEN_REJECT;
2835 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2836 		break;
2837 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2838 		pm8001_dbg(pm8001_ha, IO,
2839 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2840 		ts->resp = SAS_TASK_COMPLETE;
2841 		ts->stat = SAS_OPEN_REJECT;
2842 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2843 		break;
2844 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2845 		pm8001_dbg(pm8001_ha, IO,
2846 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2847 		ts->resp = SAS_TASK_COMPLETE;
2848 		ts->stat = SAS_OPEN_REJECT;
2849 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2850 		break;
2851 	case IO_OPEN_CNX_ERROR_BREAK:
2852 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2853 		ts->resp = SAS_TASK_COMPLETE;
2854 		ts->stat = SAS_OPEN_REJECT;
2855 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2856 		break;
2857 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2858 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2859 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2860 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2861 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2862 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2863 		pm8001_dbg(pm8001_ha, FAIL,
2864 			   "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2865 		ts->resp = SAS_TASK_UNDELIVERED;
2866 		ts->stat = SAS_DEV_NO_RESPONSE;
2867 		if (!t->uldd_task) {
2868 			pm8001_handle_event(pm8001_ha,
2869 				pm8001_dev,
2870 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2871 			ts->resp = SAS_TASK_COMPLETE;
2872 			ts->stat = SAS_QUEUE_FULL;
2873 			return;
2874 		}
2875 		break;
2876 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2877 		pm8001_dbg(pm8001_ha, IO,
2878 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2879 		ts->resp = SAS_TASK_UNDELIVERED;
2880 		ts->stat = SAS_OPEN_REJECT;
2881 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2882 		break;
2883 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2884 		pm8001_dbg(pm8001_ha, IO,
2885 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2886 		ts->resp = SAS_TASK_COMPLETE;
2887 		ts->stat = SAS_OPEN_REJECT;
2888 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2889 		break;
2890 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2891 		pm8001_dbg(pm8001_ha, IO,
2892 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2893 		ts->resp = SAS_TASK_COMPLETE;
2894 		ts->stat = SAS_OPEN_REJECT;
2895 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2896 		break;
2897 	case IO_XFER_ERROR_NAK_RECEIVED:
2898 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2899 		ts->resp = SAS_TASK_COMPLETE;
2900 		ts->stat = SAS_NAK_R_ERR;
2901 		break;
2902 	case IO_XFER_ERROR_PEER_ABORTED:
2903 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2904 		ts->resp = SAS_TASK_COMPLETE;
2905 		ts->stat = SAS_NAK_R_ERR;
2906 		break;
2907 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2908 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2909 		ts->resp = SAS_TASK_COMPLETE;
2910 		ts->stat = SAS_DATA_UNDERRUN;
2911 		break;
2912 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2913 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2914 		ts->resp = SAS_TASK_COMPLETE;
2915 		ts->stat = SAS_OPEN_TO;
2916 		break;
2917 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2918 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2919 		ts->resp = SAS_TASK_COMPLETE;
2920 		ts->stat = SAS_OPEN_TO;
2921 		break;
2922 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2923 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2924 		ts->resp = SAS_TASK_COMPLETE;
2925 		ts->stat = SAS_OPEN_TO;
2926 		break;
2927 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2928 		pm8001_dbg(pm8001_ha, IO,
2929 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2930 		ts->resp = SAS_TASK_COMPLETE;
2931 		ts->stat = SAS_OPEN_TO;
2932 		break;
2933 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2934 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2935 		ts->resp = SAS_TASK_COMPLETE;
2936 		ts->stat = SAS_OPEN_TO;
2937 		break;
2938 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2939 		pm8001_dbg(pm8001_ha, IO,
2940 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2941 		ts->resp = SAS_TASK_COMPLETE;
2942 		ts->stat = SAS_OPEN_TO;
2943 		break;
2944 	case IO_XFER_CMD_FRAME_ISSUED:
2945 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2946 		break;
2947 	case IO_XFER_PIO_SETUP_ERROR:
2948 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2949 		ts->resp = SAS_TASK_COMPLETE;
2950 		ts->stat = SAS_OPEN_TO;
2951 		break;
2952 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2953 		pm8001_dbg(pm8001_ha, FAIL,
2954 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2955 		/* TBC: used default set values */
2956 		ts->resp = SAS_TASK_COMPLETE;
2957 		ts->stat = SAS_OPEN_TO;
2958 		break;
2959 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2960 		pm8001_dbg(pm8001_ha, FAIL, "IO_XFR_DMA_ACTIVATE_TIMEOUT\n");
2961 		/* TBC: used default set values */
2962 		ts->resp = SAS_TASK_COMPLETE;
2963 		ts->stat = SAS_OPEN_TO;
2964 		break;
2965 	default:
2966 		pm8001_dbg(pm8001_ha, IO, "Unknown status 0x%x\n", event);
2967 		/* not allowed case. Therefore, return failed status */
2968 		ts->resp = SAS_TASK_COMPLETE;
2969 		ts->stat = SAS_OPEN_TO;
2970 		break;
2971 	}
2972 }
2973 
2974 /*See the comments for mpi_ssp_completion */
2975 static void
2976 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2977 {
2978 	u32 param, i;
2979 	struct sas_task *t;
2980 	struct pm8001_ccb_info *ccb;
2981 	unsigned long flags;
2982 	u32 status;
2983 	u32 tag;
2984 	struct smp_completion_resp *psmpPayload;
2985 	struct task_status_struct *ts;
2986 	struct pm8001_device *pm8001_dev;
2987 
2988 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2989 	status = le32_to_cpu(psmpPayload->status);
2990 	tag = le32_to_cpu(psmpPayload->tag);
2991 
2992 	ccb = &pm8001_ha->ccb_info[tag];
2993 	param = le32_to_cpu(psmpPayload->param);
2994 	t = ccb->task;
2995 	ts = &t->task_status;
2996 	pm8001_dev = ccb->device;
2997 	if (status)
2998 		pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2999 	if (unlikely(!t || !t->lldd_task || !t->dev))
3000 		return;
3001 
3002 	pm8001_dbg(pm8001_ha, DEV, "tag::0x%x status::0x%x\n", tag, status);
3003 
3004 	switch (status) {
3005 
3006 	case IO_SUCCESS:
3007 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
3008 		ts->resp = SAS_TASK_COMPLETE;
3009 		ts->stat = SAS_SAM_STAT_GOOD;
3010 		if (pm8001_dev)
3011 			atomic_dec(&pm8001_dev->running_req);
3012 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3013 			struct scatterlist *sg_resp = &t->smp_task.smp_resp;
3014 			u8 *payload;
3015 			void *to;
3016 
3017 			pm8001_dbg(pm8001_ha, IO,
3018 				   "DIRECT RESPONSE Length:%d\n",
3019 				   param);
3020 			to = kmap_atomic(sg_page(sg_resp));
3021 			payload = to + sg_resp->offset;
3022 			for (i = 0; i < param; i++) {
3023 				*(payload + i) = psmpPayload->_r_a[i];
3024 				pm8001_dbg(pm8001_ha, IO,
3025 					   "SMP Byte%d DMA data 0x%x psmp 0x%x\n",
3026 					   i, *(payload + i),
3027 					   psmpPayload->_r_a[i]);
3028 			}
3029 			kunmap_atomic(to);
3030 		}
3031 		break;
3032 	case IO_ABORTED:
3033 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
3034 		ts->resp = SAS_TASK_COMPLETE;
3035 		ts->stat = SAS_ABORTED_TASK;
3036 		if (pm8001_dev)
3037 			atomic_dec(&pm8001_dev->running_req);
3038 		break;
3039 	case IO_OVERFLOW:
3040 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
3041 		ts->resp = SAS_TASK_COMPLETE;
3042 		ts->stat = SAS_DATA_OVERRUN;
3043 		ts->residual = 0;
3044 		if (pm8001_dev)
3045 			atomic_dec(&pm8001_dev->running_req);
3046 		break;
3047 	case IO_NO_DEVICE:
3048 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
3049 		ts->resp = SAS_TASK_COMPLETE;
3050 		ts->stat = SAS_PHY_DOWN;
3051 		break;
3052 	case IO_ERROR_HW_TIMEOUT:
3053 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
3054 		ts->resp = SAS_TASK_COMPLETE;
3055 		ts->stat = SAS_SAM_STAT_BUSY;
3056 		break;
3057 	case IO_XFER_ERROR_BREAK:
3058 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
3059 		ts->resp = SAS_TASK_COMPLETE;
3060 		ts->stat = SAS_SAM_STAT_BUSY;
3061 		break;
3062 	case IO_XFER_ERROR_PHY_NOT_READY:
3063 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
3064 		ts->resp = SAS_TASK_COMPLETE;
3065 		ts->stat = SAS_SAM_STAT_BUSY;
3066 		break;
3067 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
3068 		pm8001_dbg(pm8001_ha, IO,
3069 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
3070 		ts->resp = SAS_TASK_COMPLETE;
3071 		ts->stat = SAS_OPEN_REJECT;
3072 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3073 		break;
3074 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
3075 		pm8001_dbg(pm8001_ha, IO,
3076 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
3077 		ts->resp = SAS_TASK_COMPLETE;
3078 		ts->stat = SAS_OPEN_REJECT;
3079 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3080 		break;
3081 	case IO_OPEN_CNX_ERROR_BREAK:
3082 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
3083 		ts->resp = SAS_TASK_COMPLETE;
3084 		ts->stat = SAS_OPEN_REJECT;
3085 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
3086 		break;
3087 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
3088 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
3089 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
3090 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
3091 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
3092 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
3093 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
3094 		ts->resp = SAS_TASK_COMPLETE;
3095 		ts->stat = SAS_OPEN_REJECT;
3096 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3097 		pm8001_handle_event(pm8001_ha,
3098 				pm8001_dev,
3099 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3100 		break;
3101 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3102 		pm8001_dbg(pm8001_ha, IO,
3103 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
3104 		ts->resp = SAS_TASK_COMPLETE;
3105 		ts->stat = SAS_OPEN_REJECT;
3106 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3107 		break;
3108 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3109 		pm8001_dbg(pm8001_ha, IO,
3110 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
3111 		ts->resp = SAS_TASK_COMPLETE;
3112 		ts->stat = SAS_OPEN_REJECT;
3113 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3114 		break;
3115 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3116 		pm8001_dbg(pm8001_ha, IO,
3117 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
3118 		ts->resp = SAS_TASK_COMPLETE;
3119 		ts->stat = SAS_OPEN_REJECT;
3120 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3121 		break;
3122 	case IO_XFER_ERROR_RX_FRAME:
3123 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
3124 		ts->resp = SAS_TASK_COMPLETE;
3125 		ts->stat = SAS_DEV_NO_RESPONSE;
3126 		break;
3127 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3128 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
3129 		ts->resp = SAS_TASK_COMPLETE;
3130 		ts->stat = SAS_OPEN_REJECT;
3131 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3132 		break;
3133 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3134 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
3135 		ts->resp = SAS_TASK_COMPLETE;
3136 		ts->stat = SAS_QUEUE_FULL;
3137 		break;
3138 	case IO_PORT_IN_RESET:
3139 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
3140 		ts->resp = SAS_TASK_COMPLETE;
3141 		ts->stat = SAS_OPEN_REJECT;
3142 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3143 		break;
3144 	case IO_DS_NON_OPERATIONAL:
3145 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
3146 		ts->resp = SAS_TASK_COMPLETE;
3147 		ts->stat = SAS_DEV_NO_RESPONSE;
3148 		break;
3149 	case IO_DS_IN_RECOVERY:
3150 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
3151 		ts->resp = SAS_TASK_COMPLETE;
3152 		ts->stat = SAS_OPEN_REJECT;
3153 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3154 		break;
3155 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3156 		pm8001_dbg(pm8001_ha, IO,
3157 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
3158 		ts->resp = SAS_TASK_COMPLETE;
3159 		ts->stat = SAS_OPEN_REJECT;
3160 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3161 		break;
3162 	default:
3163 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
3164 		ts->resp = SAS_TASK_COMPLETE;
3165 		ts->stat = SAS_DEV_NO_RESPONSE;
3166 		/* not allowed case. Therefore, return failed status */
3167 		break;
3168 	}
3169 	spin_lock_irqsave(&t->task_state_lock, flags);
3170 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3171 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3172 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3173 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3174 		pm8001_dbg(pm8001_ha, FAIL,
3175 			   "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n",
3176 			   t, status, ts->resp, ts->stat);
3177 		pm8001_ccb_task_free(pm8001_ha, ccb);
3178 	} else {
3179 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3180 		pm8001_ccb_task_free(pm8001_ha, ccb);
3181 		mb();/* in order to force CPU ordering */
3182 		t->task_done(t);
3183 	}
3184 }
3185 
3186 /**
3187  * pm80xx_hw_event_ack_req- For PM8001, some events need to acknowledge to FW.
3188  * @pm8001_ha: our hba card information
3189  * @Qnum: the outbound queue message number.
3190  * @SEA: source of event to ack
3191  * @port_id: port id.
3192  * @phyId: phy id.
3193  * @param0: parameter 0.
3194  * @param1: parameter 1.
3195  */
3196 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3197 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3198 {
3199 	struct hw_event_ack_req	 payload;
3200 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3201 
3202 	memset((u8 *)&payload, 0, sizeof(payload));
3203 	payload.tag = cpu_to_le32(1);
3204 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3205 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
3206 	payload.param0 = cpu_to_le32(param0);
3207 	payload.param1 = cpu_to_le32(param1);
3208 
3209 	pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload,
3210 			     sizeof(payload), 0);
3211 }
3212 
3213 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3214 	u32 phyId, u32 phy_op);
3215 
3216 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
3217 					void *piomb)
3218 {
3219 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
3220 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3221 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3222 	u32 lr_status_evt_portid =
3223 		le32_to_cpu(pPayload->lr_status_evt_portid);
3224 	u8 deviceType = pPayload->sas_identify.dev_type;
3225 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3226 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3227 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3228 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3229 
3230 	if (deviceType == SAS_END_DEVICE) {
3231 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3232 					PHY_NOTIFY_ENABLE_SPINUP);
3233 	}
3234 
3235 	port->wide_port_phymap |= (1U << phy_id);
3236 	pm8001_get_lrate_mode(phy, link_rate);
3237 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3238 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3239 	phy->phy_attached = 1;
3240 }
3241 
3242 /**
3243  * hw_event_sas_phy_up - FW tells me a SAS phy up event.
3244  * @pm8001_ha: our hba card information
3245  * @piomb: IO message buffer
3246  */
3247 static void
3248 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3249 {
3250 	struct hw_event_resp *pPayload =
3251 		(struct hw_event_resp *)(piomb + 4);
3252 	u32 lr_status_evt_portid =
3253 		le32_to_cpu(pPayload->lr_status_evt_portid);
3254 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3255 
3256 	u8 link_rate =
3257 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3258 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3259 	u8 phy_id =
3260 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3261 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3262 
3263 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3264 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3265 	unsigned long flags;
3266 	u8 deviceType = pPayload->sas_identify.dev_type;
3267 	phy->port = port;
3268 	port->port_id = port_id;
3269 	port->port_state = portstate;
3270 	port->wide_port_phymap |= (1U << phy_id);
3271 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3272 	pm8001_dbg(pm8001_ha, MSG,
3273 		   "portid:%d; phyid:%d; linkrate:%d; portstate:%x; devicetype:%x\n",
3274 		   port_id, phy_id, link_rate, portstate, deviceType);
3275 
3276 	switch (deviceType) {
3277 	case SAS_PHY_UNUSED:
3278 		pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3279 		break;
3280 	case SAS_END_DEVICE:
3281 		pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3282 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3283 			PHY_NOTIFY_ENABLE_SPINUP);
3284 		port->port_attached = 1;
3285 		pm8001_get_lrate_mode(phy, link_rate);
3286 		break;
3287 	case SAS_EDGE_EXPANDER_DEVICE:
3288 		pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3289 		port->port_attached = 1;
3290 		pm8001_get_lrate_mode(phy, link_rate);
3291 		break;
3292 	case SAS_FANOUT_EXPANDER_DEVICE:
3293 		pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3294 		port->port_attached = 1;
3295 		pm8001_get_lrate_mode(phy, link_rate);
3296 		break;
3297 	default:
3298 		pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3299 			   deviceType);
3300 		break;
3301 	}
3302 	phy->phy_type |= PORT_TYPE_SAS;
3303 	phy->identify.device_type = deviceType;
3304 	phy->phy_attached = 1;
3305 	if (phy->identify.device_type == SAS_END_DEVICE)
3306 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3307 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3308 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3309 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3310 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3311 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3312 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3313 		sizeof(struct sas_identify_frame)-4);
3314 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3315 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3316 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3317 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3318 		mdelay(200); /* delay a moment to wait for disk to spin up */
3319 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3320 }
3321 
3322 /**
3323  * hw_event_sata_phy_up - FW tells me a SATA phy up event.
3324  * @pm8001_ha: our hba card information
3325  * @piomb: IO message buffer
3326  */
3327 static void
3328 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3329 {
3330 	struct hw_event_resp *pPayload =
3331 		(struct hw_event_resp *)(piomb + 4);
3332 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3333 	u32 lr_status_evt_portid =
3334 		le32_to_cpu(pPayload->lr_status_evt_portid);
3335 	u8 link_rate =
3336 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3337 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3338 	u8 phy_id =
3339 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3340 
3341 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3342 
3343 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3344 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3345 	unsigned long flags;
3346 	pm8001_dbg(pm8001_ha, DEVIO,
3347 		   "port id %d, phy id %d link_rate %d portstate 0x%x\n",
3348 		   port_id, phy_id, link_rate, portstate);
3349 
3350 	phy->port = port;
3351 	port->port_id = port_id;
3352 	port->port_state = portstate;
3353 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3354 	port->port_attached = 1;
3355 	pm8001_get_lrate_mode(phy, link_rate);
3356 	phy->phy_type |= PORT_TYPE_SATA;
3357 	phy->phy_attached = 1;
3358 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3359 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3360 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3361 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3362 		sizeof(struct dev_to_host_fis));
3363 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3364 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3365 	phy->identify.device_type = SAS_SATA_DEV;
3366 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3367 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3368 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3369 }
3370 
3371 /**
3372  * hw_event_phy_down - we should notify the libsas the phy is down.
3373  * @pm8001_ha: our hba card information
3374  * @piomb: IO message buffer
3375  */
3376 static void
3377 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3378 {
3379 	struct hw_event_resp *pPayload =
3380 		(struct hw_event_resp *)(piomb + 4);
3381 
3382 	u32 lr_status_evt_portid =
3383 		le32_to_cpu(pPayload->lr_status_evt_portid);
3384 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3385 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3386 	u8 phy_id =
3387 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3388 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3389 
3390 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3391 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3392 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3393 	port->port_state = portstate;
3394 	phy->identify.device_type = 0;
3395 	phy->phy_attached = 0;
3396 	switch (portstate) {
3397 	case PORT_VALID:
3398 		break;
3399 	case PORT_INVALID:
3400 		pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3401 			   port_id);
3402 		pm8001_dbg(pm8001_ha, MSG,
3403 			   " Last phy Down and port invalid\n");
3404 		if (port_sata) {
3405 			phy->phy_type = 0;
3406 			port->port_attached = 0;
3407 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3408 					port_id, phy_id, 0, 0);
3409 		}
3410 		sas_phy_disconnected(&phy->sas_phy);
3411 		break;
3412 	case PORT_IN_RESET:
3413 		pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3414 			   port_id);
3415 		break;
3416 	case PORT_NOT_ESTABLISHED:
3417 		pm8001_dbg(pm8001_ha, MSG,
3418 			   " Phy Down and PORT_NOT_ESTABLISHED\n");
3419 		port->port_attached = 0;
3420 		break;
3421 	case PORT_LOSTCOMM:
3422 		pm8001_dbg(pm8001_ha, MSG, " Phy Down and PORT_LOSTCOMM\n");
3423 		pm8001_dbg(pm8001_ha, MSG,
3424 			   " Last phy Down and port invalid\n");
3425 		if (port_sata) {
3426 			port->port_attached = 0;
3427 			phy->phy_type = 0;
3428 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3429 					port_id, phy_id, 0, 0);
3430 		}
3431 		sas_phy_disconnected(&phy->sas_phy);
3432 		break;
3433 	default:
3434 		port->port_attached = 0;
3435 		pm8001_dbg(pm8001_ha, DEVIO,
3436 			   " Phy Down and(default) = 0x%x\n",
3437 			   portstate);
3438 		break;
3439 
3440 	}
3441 	if (port_sata && (portstate != PORT_IN_RESET))
3442 		sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3443 				GFP_ATOMIC);
3444 }
3445 
3446 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3447 {
3448 	struct phy_start_resp *pPayload =
3449 		(struct phy_start_resp *)(piomb + 4);
3450 	u32 status =
3451 		le32_to_cpu(pPayload->status);
3452 	u32 phy_id =
3453 		le32_to_cpu(pPayload->phyid) & 0xFF;
3454 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3455 
3456 	pm8001_dbg(pm8001_ha, INIT,
3457 		   "phy start resp status:0x%x, phyid:0x%x\n",
3458 		   status, phy_id);
3459 	if (status == 0)
3460 		phy->phy_state = PHY_LINK_DOWN;
3461 
3462 	if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3463 			phy->enable_completion != NULL) {
3464 		complete(phy->enable_completion);
3465 		phy->enable_completion = NULL;
3466 	}
3467 	return 0;
3468 
3469 }
3470 
3471 /**
3472  * mpi_thermal_hw_event - a thermal hw event has come.
3473  * @pm8001_ha: our hba card information
3474  * @piomb: IO message buffer
3475  */
3476 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3477 {
3478 	struct thermal_hw_event *pPayload =
3479 		(struct thermal_hw_event *)(piomb + 4);
3480 
3481 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3482 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3483 
3484 	if (thermal_event & 0x40) {
3485 		pm8001_dbg(pm8001_ha, IO,
3486 			   "Thermal Event: Local high temperature violated!\n");
3487 		pm8001_dbg(pm8001_ha, IO,
3488 			   "Thermal Event: Measured local high temperature %d\n",
3489 			   ((rht_lht & 0xFF00) >> 8));
3490 	}
3491 	if (thermal_event & 0x10) {
3492 		pm8001_dbg(pm8001_ha, IO,
3493 			   "Thermal Event: Remote high temperature violated!\n");
3494 		pm8001_dbg(pm8001_ha, IO,
3495 			   "Thermal Event: Measured remote high temperature %d\n",
3496 			   ((rht_lht & 0xFF000000) >> 24));
3497 	}
3498 	return 0;
3499 }
3500 
3501 /**
3502  * mpi_hw_event - The hw event has come.
3503  * @pm8001_ha: our hba card information
3504  * @piomb: IO message buffer
3505  */
3506 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3507 {
3508 	unsigned long flags, i;
3509 	struct hw_event_resp *pPayload =
3510 		(struct hw_event_resp *)(piomb + 4);
3511 	u32 lr_status_evt_portid =
3512 		le32_to_cpu(pPayload->lr_status_evt_portid);
3513 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3514 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3515 	u8 phy_id =
3516 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3517 	u16 eventType =
3518 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3519 	u8 status =
3520 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3521 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3522 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3523 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3524 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3525 	pm8001_dbg(pm8001_ha, DEV,
3526 		   "portid:%d phyid:%d event:0x%x status:0x%x\n",
3527 		   port_id, phy_id, eventType, status);
3528 
3529 	switch (eventType) {
3530 
3531 	case HW_EVENT_SAS_PHY_UP:
3532 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3533 		hw_event_sas_phy_up(pm8001_ha, piomb);
3534 		break;
3535 	case HW_EVENT_SATA_PHY_UP:
3536 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3537 		hw_event_sata_phy_up(pm8001_ha, piomb);
3538 		break;
3539 	case HW_EVENT_SATA_SPINUP_HOLD:
3540 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3541 		sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3542 			GFP_ATOMIC);
3543 		break;
3544 	case HW_EVENT_PHY_DOWN:
3545 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3546 		hw_event_phy_down(pm8001_ha, piomb);
3547 		if (pm8001_ha->reset_in_progress) {
3548 			pm8001_dbg(pm8001_ha, MSG, "Reset in progress\n");
3549 			return 0;
3550 		}
3551 		phy->phy_attached = 0;
3552 		phy->phy_state = PHY_LINK_DISABLE;
3553 		break;
3554 	case HW_EVENT_PORT_INVALID:
3555 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3556 		sas_phy_disconnected(sas_phy);
3557 		phy->phy_attached = 0;
3558 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3559 			GFP_ATOMIC);
3560 		break;
3561 	/* the broadcast change primitive received, tell the LIBSAS this event
3562 	to revalidate the sas domain*/
3563 	case HW_EVENT_BROADCAST_CHANGE:
3564 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3565 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3566 			port_id, phy_id, 1, 0);
3567 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3568 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3569 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3570 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3571 			GFP_ATOMIC);
3572 		break;
3573 	case HW_EVENT_PHY_ERROR:
3574 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3575 		sas_phy_disconnected(&phy->sas_phy);
3576 		phy->phy_attached = 0;
3577 		sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3578 		break;
3579 	case HW_EVENT_BROADCAST_EXP:
3580 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3581 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3582 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3583 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3584 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3585 			GFP_ATOMIC);
3586 		break;
3587 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3588 		pm8001_dbg(pm8001_ha, MSG,
3589 			   "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3590 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3591 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3592 		break;
3593 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3594 		pm8001_dbg(pm8001_ha, MSG,
3595 			   "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3596 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3597 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3598 			port_id, phy_id, 0, 0);
3599 		break;
3600 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3601 		pm8001_dbg(pm8001_ha, MSG,
3602 			   "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3603 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3604 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3605 			port_id, phy_id, 0, 0);
3606 		break;
3607 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3608 		pm8001_dbg(pm8001_ha, MSG,
3609 			   "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3610 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3611 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3612 			port_id, phy_id, 0, 0);
3613 		break;
3614 	case HW_EVENT_MALFUNCTION:
3615 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3616 		break;
3617 	case HW_EVENT_BROADCAST_SES:
3618 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3619 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3620 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3621 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3622 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3623 			GFP_ATOMIC);
3624 		break;
3625 	case HW_EVENT_INBOUND_CRC_ERROR:
3626 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3627 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3628 			HW_EVENT_INBOUND_CRC_ERROR,
3629 			port_id, phy_id, 0, 0);
3630 		break;
3631 	case HW_EVENT_HARD_RESET_RECEIVED:
3632 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3633 		sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3634 		break;
3635 	case HW_EVENT_ID_FRAME_TIMEOUT:
3636 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3637 		sas_phy_disconnected(sas_phy);
3638 		phy->phy_attached = 0;
3639 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3640 			GFP_ATOMIC);
3641 		break;
3642 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3643 		pm8001_dbg(pm8001_ha, MSG,
3644 			   "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3645 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3646 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3647 			port_id, phy_id, 0, 0);
3648 		sas_phy_disconnected(sas_phy);
3649 		phy->phy_attached = 0;
3650 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3651 			GFP_ATOMIC);
3652 		break;
3653 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3654 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3655 		if (!pm8001_ha->phy[phy_id].reset_completion) {
3656 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3657 				port_id, phy_id, 0, 0);
3658 		}
3659 		sas_phy_disconnected(sas_phy);
3660 		phy->phy_attached = 0;
3661 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3662 			GFP_ATOMIC);
3663 		if (pm8001_ha->phy[phy_id].reset_completion) {
3664 			pm8001_ha->phy[phy_id].port_reset_status =
3665 					PORT_RESET_TMO;
3666 			complete(pm8001_ha->phy[phy_id].reset_completion);
3667 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3668 		}
3669 		break;
3670 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3671 		pm8001_dbg(pm8001_ha, MSG,
3672 			   "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3673 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3674 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3675 			port_id, phy_id, 0, 0);
3676 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3677 			if (port->wide_port_phymap & (1 << i)) {
3678 				phy = &pm8001_ha->phy[i];
3679 				sas_notify_phy_event(&phy->sas_phy,
3680 					PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC);
3681 				port->wide_port_phymap &= ~(1 << i);
3682 			}
3683 		}
3684 		break;
3685 	case HW_EVENT_PORT_RECOVER:
3686 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3687 		hw_event_port_recover(pm8001_ha, piomb);
3688 		break;
3689 	case HW_EVENT_PORT_RESET_COMPLETE:
3690 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3691 		if (pm8001_ha->phy[phy_id].reset_completion) {
3692 			pm8001_ha->phy[phy_id].port_reset_status =
3693 					PORT_RESET_SUCCESS;
3694 			complete(pm8001_ha->phy[phy_id].reset_completion);
3695 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3696 		}
3697 		break;
3698 	case EVENT_BROADCAST_ASYNCH_EVENT:
3699 		pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3700 		break;
3701 	default:
3702 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type 0x%x\n",
3703 			   eventType);
3704 		break;
3705 	}
3706 	return 0;
3707 }
3708 
3709 /**
3710  * mpi_phy_stop_resp - SPCv specific
3711  * @pm8001_ha: our hba card information
3712  * @piomb: IO message buffer
3713  */
3714 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3715 {
3716 	struct phy_stop_resp *pPayload =
3717 		(struct phy_stop_resp *)(piomb + 4);
3718 	u32 status =
3719 		le32_to_cpu(pPayload->status);
3720 	u32 phyid =
3721 		le32_to_cpu(pPayload->phyid) & 0xFF;
3722 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3723 	pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
3724 		   phyid, status);
3725 	if (status == PHY_STOP_SUCCESS ||
3726 		status == PHY_STOP_ERR_DEVICE_ATTACHED)
3727 		phy->phy_state = PHY_LINK_DISABLE;
3728 	return 0;
3729 }
3730 
3731 /**
3732  * mpi_set_controller_config_resp - SPCv specific
3733  * @pm8001_ha: our hba card information
3734  * @piomb: IO message buffer
3735  */
3736 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3737 			void *piomb)
3738 {
3739 	struct set_ctrl_cfg_resp *pPayload =
3740 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3741 	u32 status = le32_to_cpu(pPayload->status);
3742 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3743 
3744 	pm8001_dbg(pm8001_ha, MSG,
3745 		   "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3746 		   status, err_qlfr_pgcd);
3747 
3748 	return 0;
3749 }
3750 
3751 /**
3752  * mpi_get_controller_config_resp - SPCv specific
3753  * @pm8001_ha: our hba card information
3754  * @piomb: IO message buffer
3755  */
3756 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3757 			void *piomb)
3758 {
3759 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3760 
3761 	return 0;
3762 }
3763 
3764 /**
3765  * mpi_get_phy_profile_resp - SPCv specific
3766  * @pm8001_ha: our hba card information
3767  * @piomb: IO message buffer
3768  */
3769 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3770 			void *piomb)
3771 {
3772 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3773 
3774 	return 0;
3775 }
3776 
3777 /**
3778  * mpi_flash_op_ext_resp - SPCv specific
3779  * @pm8001_ha: our hba card information
3780  * @piomb: IO message buffer
3781  */
3782 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3783 {
3784 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3785 
3786 	return 0;
3787 }
3788 
3789 /**
3790  * mpi_set_phy_profile_resp - SPCv specific
3791  * @pm8001_ha: our hba card information
3792  * @piomb: IO message buffer
3793  */
3794 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3795 			void *piomb)
3796 {
3797 	u32 tag;
3798 	u8 page_code;
3799 	int rc = 0;
3800 	struct set_phy_profile_resp *pPayload =
3801 		(struct set_phy_profile_resp *)(piomb + 4);
3802 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3803 	u32 status = le32_to_cpu(pPayload->status);
3804 
3805 	tag = le32_to_cpu(pPayload->tag);
3806 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3807 	if (status) {
3808 		/* status is FAILED */
3809 		pm8001_dbg(pm8001_ha, FAIL,
3810 			   "PhyProfile command failed  with status 0x%08X\n",
3811 			   status);
3812 		rc = -1;
3813 	} else {
3814 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3815 			pm8001_dbg(pm8001_ha, FAIL, "Invalid page code 0x%X\n",
3816 				   page_code);
3817 			rc = -1;
3818 		}
3819 	}
3820 	pm8001_tag_free(pm8001_ha, tag);
3821 	return rc;
3822 }
3823 
3824 /**
3825  * mpi_kek_management_resp - SPCv specific
3826  * @pm8001_ha: our hba card information
3827  * @piomb: IO message buffer
3828  */
3829 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3830 			void *piomb)
3831 {
3832 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3833 
3834 	u32 status = le32_to_cpu(pPayload->status);
3835 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3836 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3837 
3838 	pm8001_dbg(pm8001_ha, MSG,
3839 		   "KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3840 		   status, kidx_new_curr_ksop, err_qlfr);
3841 
3842 	return 0;
3843 }
3844 
3845 /**
3846  * mpi_dek_management_resp - SPCv specific
3847  * @pm8001_ha: our hba card information
3848  * @piomb: IO message buffer
3849  */
3850 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3851 			void *piomb)
3852 {
3853 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3854 
3855 	return 0;
3856 }
3857 
3858 /**
3859  * ssp_coalesced_comp_resp - SPCv specific
3860  * @pm8001_ha: our hba card information
3861  * @piomb: IO message buffer
3862  */
3863 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3864 			void *piomb)
3865 {
3866 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3867 
3868 	return 0;
3869 }
3870 
3871 /**
3872  * process_one_iomb - process one outbound Queue memory block
3873  * @pm8001_ha: our hba card information
3874  * @circularQ: outbound circular queue
3875  * @piomb: IO message buffer
3876  */
3877 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha,
3878 		struct outbound_queue_table *circularQ, void *piomb)
3879 {
3880 	__le32 pHeader = *(__le32 *)piomb;
3881 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3882 
3883 	switch (opc) {
3884 	case OPC_OUB_ECHO:
3885 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3886 		break;
3887 	case OPC_OUB_HW_EVENT:
3888 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3889 		mpi_hw_event(pm8001_ha, piomb);
3890 		break;
3891 	case OPC_OUB_THERM_HW_EVENT:
3892 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_THERMAL_EVENT\n");
3893 		mpi_thermal_hw_event(pm8001_ha, piomb);
3894 		break;
3895 	case OPC_OUB_SSP_COMP:
3896 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3897 		mpi_ssp_completion(pm8001_ha, piomb);
3898 		break;
3899 	case OPC_OUB_SMP_COMP:
3900 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3901 		mpi_smp_completion(pm8001_ha, piomb);
3902 		break;
3903 	case OPC_OUB_LOCAL_PHY_CNTRL:
3904 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3905 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3906 		break;
3907 	case OPC_OUB_DEV_REGIST:
3908 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3909 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3910 		break;
3911 	case OPC_OUB_DEREG_DEV:
3912 		pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3913 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3914 		break;
3915 	case OPC_OUB_GET_DEV_HANDLE:
3916 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3917 		break;
3918 	case OPC_OUB_SATA_COMP:
3919 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3920 		mpi_sata_completion(pm8001_ha, circularQ, piomb);
3921 		break;
3922 	case OPC_OUB_SATA_EVENT:
3923 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3924 		mpi_sata_event(pm8001_ha, circularQ, piomb);
3925 		break;
3926 	case OPC_OUB_SSP_EVENT:
3927 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3928 		mpi_ssp_event(pm8001_ha, piomb);
3929 		break;
3930 	case OPC_OUB_DEV_HANDLE_ARRIV:
3931 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3932 		/*This is for target*/
3933 		break;
3934 	case OPC_OUB_SSP_RECV_EVENT:
3935 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3936 		/*This is for target*/
3937 		break;
3938 	case OPC_OUB_FW_FLASH_UPDATE:
3939 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3940 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3941 		break;
3942 	case OPC_OUB_GPIO_RESPONSE:
3943 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3944 		break;
3945 	case OPC_OUB_GPIO_EVENT:
3946 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3947 		break;
3948 	case OPC_OUB_GENERAL_EVENT:
3949 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3950 		pm8001_mpi_general_event(pm8001_ha, piomb);
3951 		break;
3952 	case OPC_OUB_SSP_ABORT_RSP:
3953 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3954 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3955 		break;
3956 	case OPC_OUB_SATA_ABORT_RSP:
3957 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3958 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3959 		break;
3960 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3961 		pm8001_dbg(pm8001_ha, MSG,
3962 			   "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3963 		break;
3964 	case OPC_OUB_SAS_DIAG_EXECUTE:
3965 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3966 		break;
3967 	case OPC_OUB_GET_TIME_STAMP:
3968 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3969 		break;
3970 	case OPC_OUB_SAS_HW_EVENT_ACK:
3971 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3972 		break;
3973 	case OPC_OUB_PORT_CONTROL:
3974 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
3975 		break;
3976 	case OPC_OUB_SMP_ABORT_RSP:
3977 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3978 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3979 		break;
3980 	case OPC_OUB_GET_NVMD_DATA:
3981 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3982 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3983 		break;
3984 	case OPC_OUB_SET_NVMD_DATA:
3985 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3986 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3987 		break;
3988 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3989 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
3990 		break;
3991 	case OPC_OUB_SET_DEVICE_STATE:
3992 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
3993 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3994 		break;
3995 	case OPC_OUB_GET_DEVICE_STATE:
3996 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
3997 		break;
3998 	case OPC_OUB_SET_DEV_INFO:
3999 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
4000 		break;
4001 	/* spcv specific commands */
4002 	case OPC_OUB_PHY_START_RESP:
4003 		pm8001_dbg(pm8001_ha, MSG,
4004 			   "OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
4005 		mpi_phy_start_resp(pm8001_ha, piomb);
4006 		break;
4007 	case OPC_OUB_PHY_STOP_RESP:
4008 		pm8001_dbg(pm8001_ha, MSG,
4009 			   "OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc);
4010 		mpi_phy_stop_resp(pm8001_ha, piomb);
4011 		break;
4012 	case OPC_OUB_SET_CONTROLLER_CONFIG:
4013 		pm8001_dbg(pm8001_ha, MSG,
4014 			   "OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc);
4015 		mpi_set_controller_config_resp(pm8001_ha, piomb);
4016 		break;
4017 	case OPC_OUB_GET_CONTROLLER_CONFIG:
4018 		pm8001_dbg(pm8001_ha, MSG,
4019 			   "OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc);
4020 		mpi_get_controller_config_resp(pm8001_ha, piomb);
4021 		break;
4022 	case OPC_OUB_GET_PHY_PROFILE:
4023 		pm8001_dbg(pm8001_ha, MSG,
4024 			   "OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc);
4025 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
4026 		break;
4027 	case OPC_OUB_FLASH_OP_EXT:
4028 		pm8001_dbg(pm8001_ha, MSG,
4029 			   "OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc);
4030 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
4031 		break;
4032 	case OPC_OUB_SET_PHY_PROFILE:
4033 		pm8001_dbg(pm8001_ha, MSG,
4034 			   "OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc);
4035 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
4036 		break;
4037 	case OPC_OUB_KEK_MANAGEMENT_RESP:
4038 		pm8001_dbg(pm8001_ha, MSG,
4039 			   "OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc);
4040 		mpi_kek_management_resp(pm8001_ha, piomb);
4041 		break;
4042 	case OPC_OUB_DEK_MANAGEMENT_RESP:
4043 		pm8001_dbg(pm8001_ha, MSG,
4044 			   "OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc);
4045 		mpi_dek_management_resp(pm8001_ha, piomb);
4046 		break;
4047 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
4048 		pm8001_dbg(pm8001_ha, MSG,
4049 			   "OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc);
4050 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
4051 		break;
4052 	default:
4053 		pm8001_dbg(pm8001_ha, DEVIO,
4054 			   "Unknown outbound Queue IOMB OPC = 0x%x\n", opc);
4055 		break;
4056 	}
4057 }
4058 
4059 static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
4060 {
4061 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_0: 0x%x\n",
4062 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
4063 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_1:0x%x\n",
4064 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1));
4065 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_2: 0x%x\n",
4066 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2));
4067 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_3: 0x%x\n",
4068 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
4069 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
4070 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0));
4071 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
4072 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1));
4073 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
4074 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2));
4075 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
4076 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3));
4077 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
4078 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4));
4079 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
4080 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5));
4081 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
4082 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_RSVD_0));
4083 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
4084 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_RSVD_1));
4085 }
4086 
4087 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4088 {
4089 	struct outbound_queue_table *circularQ;
4090 	void *pMsg1 = NULL;
4091 	u8 bc;
4092 	u32 ret = MPI_IO_STATUS_FAIL;
4093 	u32 regval;
4094 
4095 	/*
4096 	 * Fatal errors are programmed to be signalled in irq vector
4097 	 * pm8001_ha->max_q_num - 1 through pm8001_ha->main_cfg_tbl.pm80xx_tbl.
4098 	 * fatal_err_interrupt
4099 	 */
4100 	if (vec == (pm8001_ha->max_q_num - 1)) {
4101 		u32 mipsall_ready;
4102 
4103 		if (pm8001_ha->chip_id == chip_8008 ||
4104 		    pm8001_ha->chip_id == chip_8009)
4105 			mipsall_ready = SCRATCH_PAD_MIPSALL_READY_8PORT;
4106 		else
4107 			mipsall_ready = SCRATCH_PAD_MIPSALL_READY_16PORT;
4108 
4109 		regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
4110 		if ((regval & mipsall_ready) != mipsall_ready) {
4111 			pm8001_ha->controller_fatal_error = true;
4112 			pm8001_dbg(pm8001_ha, FAIL,
4113 				   "Firmware Fatal error! Regval:0x%x\n",
4114 				   regval);
4115 			pm8001_handle_event(pm8001_ha, NULL, IO_FATAL_ERROR);
4116 			print_scratchpad_registers(pm8001_ha);
4117 			return ret;
4118 		} else {
4119 			/*read scratchpad rsvd 0 register*/
4120 			regval = pm8001_cr32(pm8001_ha, 0,
4121 					     MSGU_SCRATCH_PAD_RSVD_0);
4122 			switch (regval) {
4123 			case NON_FATAL_SPBC_LBUS_ECC_ERR:
4124 			case NON_FATAL_BDMA_ERR:
4125 			case NON_FATAL_THERM_OVERTEMP_ERR:
4126 				/*Clear the register*/
4127 				pm8001_cw32(pm8001_ha, 0,
4128 					    MSGU_SCRATCH_PAD_RSVD_0,
4129 					    0x00000000);
4130 				break;
4131 			default:
4132 				break;
4133 			}
4134 		}
4135 	}
4136 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4137 	spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags);
4138 	do {
4139 		/* spurious interrupt during setup if kexec-ing and
4140 		 * driver doing a doorbell access w/ the pre-kexec oq
4141 		 * interrupt setup.
4142 		 */
4143 		if (!circularQ->pi_virt)
4144 			break;
4145 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4146 		if (MPI_IO_STATUS_SUCCESS == ret) {
4147 			/* process the outbound message */
4148 			process_one_iomb(pm8001_ha, circularQ,
4149 						(void *)(pMsg1 - 4));
4150 			/* free the message from the outbound circular buffer */
4151 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4152 							circularQ, bc);
4153 		}
4154 		if (MPI_IO_STATUS_BUSY == ret) {
4155 			/* Update the producer index from SPC */
4156 			circularQ->producer_index =
4157 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4158 			if (le32_to_cpu(circularQ->producer_index) ==
4159 				circularQ->consumer_idx)
4160 				/* OQ is empty */
4161 				break;
4162 		}
4163 	} while (1);
4164 	spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags);
4165 	return ret;
4166 }
4167 
4168 /* DMA_... to our direction translation. */
4169 static const u8 data_dir_flags[] = {
4170 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4171 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4172 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4173 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4174 };
4175 
4176 static void build_smp_cmd(u32 deviceID, __le32 hTag,
4177 			struct smp_req *psmp_cmd, int mode, int length)
4178 {
4179 	psmp_cmd->tag = hTag;
4180 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4181 	if (mode == SMP_DIRECT) {
4182 		length = length - 4; /* subtract crc */
4183 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
4184 	} else {
4185 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4186 	}
4187 }
4188 
4189 /**
4190  * pm80xx_chip_smp_req - send an SMP task to FW
4191  * @pm8001_ha: our hba card information.
4192  * @ccb: the ccb information this request used.
4193  */
4194 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4195 	struct pm8001_ccb_info *ccb)
4196 {
4197 	int elem, rc;
4198 	struct sas_task *task = ccb->task;
4199 	struct domain_device *dev = task->dev;
4200 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4201 	struct scatterlist *sg_req, *sg_resp, *smp_req;
4202 	u32 req_len, resp_len;
4203 	struct smp_req smp_cmd;
4204 	u32 opc;
4205 	u32 i, length;
4206 	u8 *payload;
4207 	u8 *to;
4208 
4209 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4210 	/*
4211 	 * DMA-map SMP request, response buffers
4212 	 */
4213 	sg_req = &task->smp_task.smp_req;
4214 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4215 	if (!elem)
4216 		return -ENOMEM;
4217 	req_len = sg_dma_len(sg_req);
4218 
4219 	sg_resp = &task->smp_task.smp_resp;
4220 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4221 	if (!elem) {
4222 		rc = -ENOMEM;
4223 		goto err_out;
4224 	}
4225 	resp_len = sg_dma_len(sg_resp);
4226 	/* must be in dwords */
4227 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4228 		rc = -EINVAL;
4229 		goto err_out_2;
4230 	}
4231 
4232 	opc = OPC_INB_SMP_REQUEST;
4233 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4234 
4235 	length = sg_req->length;
4236 	pm8001_dbg(pm8001_ha, IO, "SMP Frame Length %d\n", sg_req->length);
4237 	if (!(length - 8))
4238 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
4239 	else
4240 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
4241 
4242 
4243 	smp_req = &task->smp_task.smp_req;
4244 	to = kmap_atomic(sg_page(smp_req));
4245 	payload = to + smp_req->offset;
4246 
4247 	/* INDIRECT MODE command settings. Use DMA */
4248 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
4249 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST INDIRECT MODE\n");
4250 		/* for SPCv indirect mode. Place the top 4 bytes of
4251 		 * SMP Request header here. */
4252 		for (i = 0; i < 4; i++)
4253 			smp_cmd.smp_req16[i] = *(payload + i);
4254 		/* exclude top 4 bytes for SMP req header */
4255 		smp_cmd.long_smp_req.long_req_addr =
4256 			cpu_to_le64((u64)sg_dma_address
4257 				(&task->smp_task.smp_req) + 4);
4258 		/* exclude 4 bytes for SMP req header and CRC */
4259 		smp_cmd.long_smp_req.long_req_size =
4260 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
4261 		smp_cmd.long_smp_req.long_resp_addr =
4262 				cpu_to_le64((u64)sg_dma_address
4263 					(&task->smp_task.smp_resp));
4264 		smp_cmd.long_smp_req.long_resp_size =
4265 				cpu_to_le32((u32)sg_dma_len
4266 					(&task->smp_task.smp_resp)-4);
4267 	} else { /* DIRECT MODE */
4268 		smp_cmd.long_smp_req.long_req_addr =
4269 			cpu_to_le64((u64)sg_dma_address
4270 					(&task->smp_task.smp_req));
4271 		smp_cmd.long_smp_req.long_req_size =
4272 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4273 		smp_cmd.long_smp_req.long_resp_addr =
4274 			cpu_to_le64((u64)sg_dma_address
4275 				(&task->smp_task.smp_resp));
4276 		smp_cmd.long_smp_req.long_resp_size =
4277 			cpu_to_le32
4278 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4279 	}
4280 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
4281 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST DIRECT MODE\n");
4282 		for (i = 0; i < length; i++)
4283 			if (i < 16) {
4284 				smp_cmd.smp_req16[i] = *(payload + i);
4285 				pm8001_dbg(pm8001_ha, IO,
4286 					   "Byte[%d]:%x (DMA data:%x)\n",
4287 					   i, smp_cmd.smp_req16[i],
4288 					   *(payload));
4289 			} else {
4290 				smp_cmd.smp_req[i] = *(payload + i);
4291 				pm8001_dbg(pm8001_ha, IO,
4292 					   "Byte[%d]:%x (DMA data:%x)\n",
4293 					   i, smp_cmd.smp_req[i],
4294 					   *(payload));
4295 			}
4296 	}
4297 	kunmap_atomic(to);
4298 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
4299 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
4300 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &smp_cmd,
4301 				  sizeof(smp_cmd), 0);
4302 	if (rc)
4303 		goto err_out_2;
4304 	return 0;
4305 
4306 err_out_2:
4307 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4308 			DMA_FROM_DEVICE);
4309 err_out:
4310 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4311 			DMA_TO_DEVICE);
4312 	return rc;
4313 }
4314 
4315 static int check_enc_sas_cmd(struct sas_task *task)
4316 {
4317 	u8 cmd = task->ssp_task.cmd->cmnd[0];
4318 
4319 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4320 		return 1;
4321 	else
4322 		return 0;
4323 }
4324 
4325 static int check_enc_sat_cmd(struct sas_task *task)
4326 {
4327 	int ret = 0;
4328 	switch (task->ata_task.fis.command) {
4329 	case ATA_CMD_FPDMA_READ:
4330 	case ATA_CMD_READ_EXT:
4331 	case ATA_CMD_READ:
4332 	case ATA_CMD_FPDMA_WRITE:
4333 	case ATA_CMD_WRITE_EXT:
4334 	case ATA_CMD_WRITE:
4335 	case ATA_CMD_PIO_READ:
4336 	case ATA_CMD_PIO_READ_EXT:
4337 	case ATA_CMD_PIO_WRITE:
4338 	case ATA_CMD_PIO_WRITE_EXT:
4339 		ret = 1;
4340 		break;
4341 	default:
4342 		ret = 0;
4343 		break;
4344 	}
4345 	return ret;
4346 }
4347 
4348 /**
4349  * pm80xx_chip_ssp_io_req - send an SSP task to FW
4350  * @pm8001_ha: our hba card information.
4351  * @ccb: the ccb information this request used.
4352  */
4353 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4354 	struct pm8001_ccb_info *ccb)
4355 {
4356 	struct sas_task *task = ccb->task;
4357 	struct domain_device *dev = task->dev;
4358 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4359 	struct ssp_ini_io_start_req ssp_cmd;
4360 	u32 tag = ccb->ccb_tag;
4361 	u64 phys_addr, end_addr;
4362 	u32 end_addr_high, end_addr_low;
4363 	u32 q_index, cpu_id;
4364 	u32 opc = OPC_INB_SSPINIIOSTART;
4365 
4366 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4367 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4368 
4369 	/* data address domain added for spcv; set to 0 by host,
4370 	 * used internally by controller
4371 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4372 	 */
4373 	ssp_cmd.dad_dir_m_tlr =
4374 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4375 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4376 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4377 	ssp_cmd.tag = cpu_to_le32(tag);
4378 	if (task->ssp_task.enable_first_burst)
4379 		ssp_cmd.ssp_iu.efb_prio_attr = 0x80;
4380 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4381 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4382 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4383 		       task->ssp_task.cmd->cmd_len);
4384 	cpu_id = smp_processor_id();
4385 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4386 
4387 	/* Check if encryption is set */
4388 	if (pm8001_ha->chip->encrypt &&
4389 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4390 		pm8001_dbg(pm8001_ha, IO,
4391 			   "Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4392 			   task->ssp_task.cmd->cmnd[0]);
4393 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4394 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4395 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4396 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4397 
4398 		/* fill in PRD (scatter/gather) table, if any */
4399 		if (task->num_scatter > 1) {
4400 			pm8001_chip_make_sg(task->scatter,
4401 						ccb->n_elem, ccb->buf_prd);
4402 			phys_addr = ccb->ccb_dma_handle;
4403 			ssp_cmd.enc_addr_low =
4404 				cpu_to_le32(lower_32_bits(phys_addr));
4405 			ssp_cmd.enc_addr_high =
4406 				cpu_to_le32(upper_32_bits(phys_addr));
4407 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4408 		} else if (task->num_scatter == 1) {
4409 			u64 dma_addr = sg_dma_address(task->scatter);
4410 
4411 			ssp_cmd.enc_addr_low =
4412 				cpu_to_le32(lower_32_bits(dma_addr));
4413 			ssp_cmd.enc_addr_high =
4414 				cpu_to_le32(upper_32_bits(dma_addr));
4415 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4416 			ssp_cmd.enc_esgl = 0;
4417 
4418 			/* Check 4G Boundary */
4419 			end_addr = dma_addr + le32_to_cpu(ssp_cmd.enc_len) - 1;
4420 			end_addr_low = lower_32_bits(end_addr);
4421 			end_addr_high = upper_32_bits(end_addr);
4422 
4423 			if (end_addr_high != le32_to_cpu(ssp_cmd.enc_addr_high)) {
4424 				pm8001_dbg(pm8001_ha, FAIL,
4425 					   "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",
4426 					   dma_addr,
4427 					   le32_to_cpu(ssp_cmd.enc_len),
4428 					   end_addr_high, end_addr_low);
4429 				pm8001_chip_make_sg(task->scatter, 1,
4430 					ccb->buf_prd);
4431 				phys_addr = ccb->ccb_dma_handle;
4432 				ssp_cmd.enc_addr_low =
4433 					cpu_to_le32(lower_32_bits(phys_addr));
4434 				ssp_cmd.enc_addr_high =
4435 					cpu_to_le32(upper_32_bits(phys_addr));
4436 				ssp_cmd.enc_esgl = cpu_to_le32(1U<<31);
4437 			}
4438 		} else if (task->num_scatter == 0) {
4439 			ssp_cmd.enc_addr_low = 0;
4440 			ssp_cmd.enc_addr_high = 0;
4441 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4442 			ssp_cmd.enc_esgl = 0;
4443 		}
4444 
4445 		/* XTS mode. All other fields are 0 */
4446 		ssp_cmd.key_cmode = cpu_to_le32(0x6 << 4);
4447 
4448 		/* set tweak values. Should be the start lba */
4449 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4450 						(task->ssp_task.cmd->cmnd[3] << 16) |
4451 						(task->ssp_task.cmd->cmnd[4] << 8) |
4452 						(task->ssp_task.cmd->cmnd[5]));
4453 	} else {
4454 		pm8001_dbg(pm8001_ha, IO,
4455 			   "Sending Normal SAS command 0x%x inb q %x\n",
4456 			   task->ssp_task.cmd->cmnd[0], q_index);
4457 		/* fill in PRD (scatter/gather) table, if any */
4458 		if (task->num_scatter > 1) {
4459 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4460 					ccb->buf_prd);
4461 			phys_addr = ccb->ccb_dma_handle;
4462 			ssp_cmd.addr_low =
4463 				cpu_to_le32(lower_32_bits(phys_addr));
4464 			ssp_cmd.addr_high =
4465 				cpu_to_le32(upper_32_bits(phys_addr));
4466 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4467 		} else if (task->num_scatter == 1) {
4468 			u64 dma_addr = sg_dma_address(task->scatter);
4469 
4470 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4471 			ssp_cmd.addr_high =
4472 				cpu_to_le32(upper_32_bits(dma_addr));
4473 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4474 			ssp_cmd.esgl = 0;
4475 
4476 			/* Check 4G Boundary */
4477 			end_addr = dma_addr + le32_to_cpu(ssp_cmd.len) - 1;
4478 			end_addr_low = lower_32_bits(end_addr);
4479 			end_addr_high = upper_32_bits(end_addr);
4480 			if (end_addr_high != le32_to_cpu(ssp_cmd.addr_high)) {
4481 				pm8001_dbg(pm8001_ha, FAIL,
4482 					   "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",
4483 					   dma_addr,
4484 					   le32_to_cpu(ssp_cmd.len),
4485 					   end_addr_high, end_addr_low);
4486 				pm8001_chip_make_sg(task->scatter, 1,
4487 					ccb->buf_prd);
4488 				phys_addr = ccb->ccb_dma_handle;
4489 				ssp_cmd.addr_low =
4490 					cpu_to_le32(lower_32_bits(phys_addr));
4491 				ssp_cmd.addr_high =
4492 					cpu_to_le32(upper_32_bits(phys_addr));
4493 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4494 			}
4495 		} else if (task->num_scatter == 0) {
4496 			ssp_cmd.addr_low = 0;
4497 			ssp_cmd.addr_high = 0;
4498 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4499 			ssp_cmd.esgl = 0;
4500 		}
4501 	}
4502 
4503 	return pm8001_mpi_build_cmd(pm8001_ha, q_index, opc, &ssp_cmd,
4504 				    sizeof(ssp_cmd), q_index);
4505 }
4506 
4507 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4508 	struct pm8001_ccb_info *ccb)
4509 {
4510 	struct sas_task *task = ccb->task;
4511 	struct domain_device *dev = task->dev;
4512 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4513 	struct ata_queued_cmd *qc = task->uldd_task;
4514 	u32 tag = ccb->ccb_tag;
4515 	u32 q_index, cpu_id;
4516 	struct sata_start_req sata_cmd;
4517 	u32 hdr_tag, ncg_tag = 0;
4518 	u64 phys_addr, end_addr;
4519 	u32 end_addr_high, end_addr_low;
4520 	u32 ATAP = 0x0;
4521 	u32 dir;
4522 	unsigned long flags;
4523 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4524 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4525 	cpu_id = smp_processor_id();
4526 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4527 
4528 	if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) {
4529 		ATAP = 0x04; /* no data*/
4530 		pm8001_dbg(pm8001_ha, IO, "no data\n");
4531 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4532 		if (task->ata_task.use_ncq &&
4533 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4534 			ATAP = 0x07; /* FPDMA */
4535 			pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4536 		} else if (task->ata_task.dma_xfer) {
4537 			ATAP = 0x06; /* DMA */
4538 			pm8001_dbg(pm8001_ha, IO, "DMA\n");
4539 		} else {
4540 			ATAP = 0x05; /* PIO*/
4541 			pm8001_dbg(pm8001_ha, IO, "PIO\n");
4542 		}
4543 	}
4544 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4545 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4546 		ncg_tag = hdr_tag;
4547 	}
4548 	dir = data_dir_flags[task->data_dir] << 8;
4549 	sata_cmd.tag = cpu_to_le32(tag);
4550 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4551 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4552 
4553 	sata_cmd.sata_fis = task->ata_task.fis;
4554 	if (likely(!task->ata_task.device_control_reg_update))
4555 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4556 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4557 
4558 	/* Check if encryption is set */
4559 	if (pm8001_ha->chip->encrypt &&
4560 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4561 		pm8001_dbg(pm8001_ha, IO,
4562 			   "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4563 			   sata_cmd.sata_fis.command);
4564 		opc = OPC_INB_SATA_DIF_ENC_IO;
4565 
4566 		/* set encryption bit */
4567 		sata_cmd.ncqtag_atap_dir_m_dad =
4568 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4569 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4570 							/* dad (bit 0-1) is 0 */
4571 		/* fill in PRD (scatter/gather) table, if any */
4572 		if (task->num_scatter > 1) {
4573 			pm8001_chip_make_sg(task->scatter,
4574 						ccb->n_elem, ccb->buf_prd);
4575 			phys_addr = ccb->ccb_dma_handle;
4576 			sata_cmd.enc_addr_low =
4577 				cpu_to_le32(lower_32_bits(phys_addr));
4578 			sata_cmd.enc_addr_high =
4579 				cpu_to_le32(upper_32_bits(phys_addr));
4580 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4581 		} else if (task->num_scatter == 1) {
4582 			u64 dma_addr = sg_dma_address(task->scatter);
4583 
4584 			sata_cmd.enc_addr_low =
4585 				cpu_to_le32(lower_32_bits(dma_addr));
4586 			sata_cmd.enc_addr_high =
4587 				cpu_to_le32(upper_32_bits(dma_addr));
4588 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4589 			sata_cmd.enc_esgl = 0;
4590 
4591 			/* Check 4G Boundary */
4592 			end_addr = dma_addr + le32_to_cpu(sata_cmd.enc_len) - 1;
4593 			end_addr_low = lower_32_bits(end_addr);
4594 			end_addr_high = upper_32_bits(end_addr);
4595 			if (end_addr_high != le32_to_cpu(sata_cmd.enc_addr_high)) {
4596 				pm8001_dbg(pm8001_ha, FAIL,
4597 					   "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",
4598 					   dma_addr,
4599 					   le32_to_cpu(sata_cmd.enc_len),
4600 					   end_addr_high, end_addr_low);
4601 				pm8001_chip_make_sg(task->scatter, 1,
4602 					ccb->buf_prd);
4603 				phys_addr = ccb->ccb_dma_handle;
4604 				sata_cmd.enc_addr_low =
4605 					cpu_to_le32(lower_32_bits(phys_addr));
4606 				sata_cmd.enc_addr_high =
4607 					cpu_to_le32(upper_32_bits(phys_addr));
4608 				sata_cmd.enc_esgl =
4609 					cpu_to_le32(1 << 31);
4610 			}
4611 		} else if (task->num_scatter == 0) {
4612 			sata_cmd.enc_addr_low = 0;
4613 			sata_cmd.enc_addr_high = 0;
4614 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4615 			sata_cmd.enc_esgl = 0;
4616 		}
4617 		/* XTS mode. All other fields are 0 */
4618 		sata_cmd.key_index_mode = cpu_to_le32(0x6 << 4);
4619 
4620 		/* set tweak values. Should be the start lba */
4621 		sata_cmd.twk_val0 =
4622 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4623 					(sata_cmd.sata_fis.lbah << 16) |
4624 					(sata_cmd.sata_fis.lbam << 8) |
4625 					(sata_cmd.sata_fis.lbal));
4626 		sata_cmd.twk_val1 =
4627 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4628 					 (sata_cmd.sata_fis.lbam_exp));
4629 	} else {
4630 		pm8001_dbg(pm8001_ha, IO,
4631 			   "Sending Normal SATA command 0x%x inb %x\n",
4632 			   sata_cmd.sata_fis.command, q_index);
4633 		/* dad (bit 0-1) is 0 */
4634 		sata_cmd.ncqtag_atap_dir_m_dad =
4635 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4636 					((ATAP & 0x3f) << 10) | dir);
4637 
4638 		/* fill in PRD (scatter/gather) table, if any */
4639 		if (task->num_scatter > 1) {
4640 			pm8001_chip_make_sg(task->scatter,
4641 					ccb->n_elem, ccb->buf_prd);
4642 			phys_addr = ccb->ccb_dma_handle;
4643 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4644 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4645 			sata_cmd.esgl = cpu_to_le32(1U << 31);
4646 		} else if (task->num_scatter == 1) {
4647 			u64 dma_addr = sg_dma_address(task->scatter);
4648 
4649 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4650 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4651 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4652 			sata_cmd.esgl = 0;
4653 
4654 			/* Check 4G Boundary */
4655 			end_addr = dma_addr + le32_to_cpu(sata_cmd.len) - 1;
4656 			end_addr_low = lower_32_bits(end_addr);
4657 			end_addr_high = upper_32_bits(end_addr);
4658 			if (end_addr_high != sata_cmd.addr_high) {
4659 				pm8001_dbg(pm8001_ha, FAIL,
4660 					   "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",
4661 					   dma_addr,
4662 					   le32_to_cpu(sata_cmd.len),
4663 					   end_addr_high, end_addr_low);
4664 				pm8001_chip_make_sg(task->scatter, 1,
4665 					ccb->buf_prd);
4666 				phys_addr = ccb->ccb_dma_handle;
4667 				sata_cmd.addr_low = lower_32_bits(phys_addr);
4668 				sata_cmd.addr_high = upper_32_bits(phys_addr);
4669 				sata_cmd.esgl = cpu_to_le32(1U << 31);
4670 			}
4671 		} else if (task->num_scatter == 0) {
4672 			sata_cmd.addr_low = 0;
4673 			sata_cmd.addr_high = 0;
4674 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4675 			sata_cmd.esgl = 0;
4676 		}
4677 
4678 		/* scsi cdb */
4679 		sata_cmd.atapi_scsi_cdb[0] =
4680 			cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4681 				     (task->ata_task.atapi_packet[1] << 8) |
4682 				     (task->ata_task.atapi_packet[2] << 16) |
4683 				     (task->ata_task.atapi_packet[3] << 24)));
4684 		sata_cmd.atapi_scsi_cdb[1] =
4685 			cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4686 				     (task->ata_task.atapi_packet[5] << 8) |
4687 				     (task->ata_task.atapi_packet[6] << 16) |
4688 				     (task->ata_task.atapi_packet[7] << 24)));
4689 		sata_cmd.atapi_scsi_cdb[2] =
4690 			cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4691 				     (task->ata_task.atapi_packet[9] << 8) |
4692 				     (task->ata_task.atapi_packet[10] << 16) |
4693 				     (task->ata_task.atapi_packet[11] << 24)));
4694 		sata_cmd.atapi_scsi_cdb[3] =
4695 			cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4696 				     (task->ata_task.atapi_packet[13] << 8) |
4697 				     (task->ata_task.atapi_packet[14] << 16) |
4698 				     (task->ata_task.atapi_packet[15] << 24)));
4699 	}
4700 
4701 	/* Check for read log for failed drive and return */
4702 	if (sata_cmd.sata_fis.command == 0x2f) {
4703 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4704 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4705 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4706 			struct task_status_struct *ts;
4707 
4708 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4709 			ts = &task->task_status;
4710 
4711 			spin_lock_irqsave(&task->task_state_lock, flags);
4712 			ts->resp = SAS_TASK_COMPLETE;
4713 			ts->stat = SAS_SAM_STAT_GOOD;
4714 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4715 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4716 			if (unlikely((task->task_state_flags &
4717 					SAS_TASK_STATE_ABORTED))) {
4718 				spin_unlock_irqrestore(&task->task_state_lock,
4719 							flags);
4720 				pm8001_dbg(pm8001_ha, FAIL,
4721 					   "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4722 					   task, ts->resp,
4723 					   ts->stat);
4724 				pm8001_ccb_task_free(pm8001_ha, ccb);
4725 				return 0;
4726 			} else {
4727 				spin_unlock_irqrestore(&task->task_state_lock,
4728 							flags);
4729 				pm8001_ccb_task_free_done(pm8001_ha, ccb);
4730 				atomic_dec(&pm8001_ha_dev->running_req);
4731 				return 0;
4732 			}
4733 		}
4734 	}
4735 	trace_pm80xx_request_issue(pm8001_ha->id,
4736 				ccb->device ? ccb->device->attached_phy : PM8001_MAX_PHYS,
4737 				ccb->ccb_tag, opc,
4738 				qc ? qc->tf.command : 0, // ata opcode
4739 				ccb->device ? atomic_read(&ccb->device->running_req) : 0);
4740 	return pm8001_mpi_build_cmd(pm8001_ha, q_index, opc, &sata_cmd,
4741 				    sizeof(sata_cmd), q_index);
4742 }
4743 
4744 /**
4745  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4746  * @pm8001_ha: our hba card information.
4747  * @phy_id: the phy id which we wanted to start up.
4748  */
4749 static int
4750 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4751 {
4752 	struct phy_start_req payload;
4753 	u32 tag = 0x01;
4754 	u32 opcode = OPC_INB_PHYSTART;
4755 
4756 	memset(&payload, 0, sizeof(payload));
4757 	payload.tag = cpu_to_le32(tag);
4758 
4759 	pm8001_dbg(pm8001_ha, INIT, "PHY START REQ for phy_id %d\n", phy_id);
4760 
4761 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4762 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
4763 	/* SSC Disable and SAS Analog ST configuration */
4764 	/*
4765 	payload.ase_sh_lm_slr_phyid =
4766 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4767 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4768 		phy_id);
4769 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4770 	*/
4771 
4772 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4773 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4774 	memcpy(payload.sas_identify.sas_addr,
4775 	  &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4776 	payload.sas_identify.phy_id = phy_id;
4777 
4778 	return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4779 				    sizeof(payload), 0);
4780 }
4781 
4782 /**
4783  * pm80xx_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4784  * @pm8001_ha: our hba card information.
4785  * @phy_id: the phy id which we wanted to start up.
4786  */
4787 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4788 	u8 phy_id)
4789 {
4790 	struct phy_stop_req payload;
4791 	u32 tag = 0x01;
4792 	u32 opcode = OPC_INB_PHYSTOP;
4793 
4794 	memset(&payload, 0, sizeof(payload));
4795 	payload.tag = cpu_to_le32(tag);
4796 	payload.phy_id = cpu_to_le32(phy_id);
4797 
4798 	return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4799 				    sizeof(payload), 0);
4800 }
4801 
4802 /*
4803  * see comments on pm8001_mpi_reg_resp.
4804  */
4805 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4806 	struct pm8001_device *pm8001_dev, u32 flag)
4807 {
4808 	struct reg_dev_req payload;
4809 	u32	opc;
4810 	u32 stp_sspsmp_sata = 0x4;
4811 	u32 linkrate, phy_id;
4812 	int rc;
4813 	struct pm8001_ccb_info *ccb;
4814 	u8 retryFlag = 0x1;
4815 	u16 firstBurstSize = 0;
4816 	u16 ITNT = 2000;
4817 	struct domain_device *dev = pm8001_dev->sas_device;
4818 	struct domain_device *parent_dev = dev->parent;
4819 	struct pm8001_port *port = dev->port->lldd_port;
4820 
4821 	memset(&payload, 0, sizeof(payload));
4822 	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4823 	if (!ccb)
4824 		return -SAS_QUEUE_FULL;
4825 
4826 	payload.tag = cpu_to_le32(ccb->ccb_tag);
4827 
4828 	if (flag == 1) {
4829 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4830 	} else {
4831 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4832 			stp_sspsmp_sata = 0x00; /* stp*/
4833 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4834 			dev_is_expander(pm8001_dev->dev_type))
4835 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4836 	}
4837 	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4838 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4839 	else
4840 		phy_id = pm8001_dev->attached_phy;
4841 
4842 	opc = OPC_INB_REG_DEV;
4843 
4844 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4845 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4846 
4847 	payload.phyid_portid =
4848 		cpu_to_le32(((port->port_id) & 0xFF) |
4849 		((phy_id & 0xFF) << 8));
4850 
4851 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4852 		((linkrate & 0x0F) << 24) |
4853 		((stp_sspsmp_sata & 0x03) << 28));
4854 	payload.firstburstsize_ITNexustimeout =
4855 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4856 
4857 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4858 		SAS_ADDR_SIZE);
4859 
4860 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4861 			sizeof(payload), 0);
4862 	if (rc)
4863 		pm8001_ccb_free(pm8001_ha, ccb);
4864 
4865 	return rc;
4866 }
4867 
4868 /**
4869  * pm80xx_chip_phy_ctl_req - support the local phy operation
4870  * @pm8001_ha: our hba card information.
4871  * @phyId: the phy id which we wanted to operate
4872  * @phy_op: phy operation to request
4873  */
4874 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4875 	u32 phyId, u32 phy_op)
4876 {
4877 	u32 tag;
4878 	int rc;
4879 	struct local_phy_ctl_req payload;
4880 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4881 
4882 	memset(&payload, 0, sizeof(payload));
4883 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4884 	if (rc)
4885 		return rc;
4886 
4887 	payload.tag = cpu_to_le32(tag);
4888 	payload.phyop_phyid =
4889 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4890 
4891 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4892 				  sizeof(payload), 0);
4893 	if (rc)
4894 		pm8001_tag_free(pm8001_ha, tag);
4895 
4896 	return rc;
4897 }
4898 
4899 static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4900 {
4901 #ifdef PM8001_USE_MSIX
4902 	return 1;
4903 #else
4904 	u32 value;
4905 
4906 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4907 	if (value)
4908 		return 1;
4909 	return 0;
4910 #endif
4911 }
4912 
4913 /**
4914  * pm80xx_chip_isr - PM8001 isr handler.
4915  * @pm8001_ha: our hba card information.
4916  * @vec: irq number.
4917  */
4918 static irqreturn_t
4919 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4920 {
4921 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4922 	pm8001_dbg(pm8001_ha, DEVIO,
4923 		   "irq vec %d, ODMR:0x%x\n",
4924 		   vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4925 	process_oq(pm8001_ha, vec);
4926 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4927 	return IRQ_HANDLED;
4928 }
4929 
4930 static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4931 				    u32 operation, u32 phyid,
4932 				    u32 length, u32 *buf)
4933 {
4934 	u32 tag, i, j = 0;
4935 	int rc;
4936 	struct set_phy_profile_req payload;
4937 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4938 
4939 	memset(&payload, 0, sizeof(payload));
4940 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4941 	if (rc) {
4942 		pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n");
4943 		return;
4944 	}
4945 
4946 	payload.tag = cpu_to_le32(tag);
4947 	payload.ppc_phyid =
4948 		cpu_to_le32(((operation & 0xF) << 8) | (phyid  & 0xFF));
4949 	pm8001_dbg(pm8001_ha, INIT,
4950 		   " phy profile command for phy %x ,length is %d\n",
4951 		   le32_to_cpu(payload.ppc_phyid), length);
4952 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4953 		payload.reserved[j] = cpu_to_le32(*((u32 *)buf + i));
4954 		j++;
4955 	}
4956 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4957 				  sizeof(payload), 0);
4958 	if (rc)
4959 		pm8001_tag_free(pm8001_ha, tag);
4960 }
4961 
4962 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4963 	u32 length, u8 *buf)
4964 {
4965 	u32 i;
4966 
4967 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4968 		mpi_set_phy_profile_req(pm8001_ha,
4969 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4970 		length = length + PHY_DWORD_LENGTH;
4971 	}
4972 	pm8001_dbg(pm8001_ha, INIT, "phy settings completed\n");
4973 }
4974 
4975 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
4976 		u32 phy, u32 length, u32 *buf)
4977 {
4978 	u32 tag, opc;
4979 	int rc, i;
4980 	struct set_phy_profile_req payload;
4981 
4982 	memset(&payload, 0, sizeof(payload));
4983 
4984 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4985 	if (rc) {
4986 		pm8001_dbg(pm8001_ha, INIT, "Invalid tag\n");
4987 		return;
4988 	}
4989 
4990 	opc = OPC_INB_SET_PHY_PROFILE;
4991 
4992 	payload.tag = cpu_to_le32(tag);
4993 	payload.ppc_phyid =
4994 		cpu_to_le32(((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
4995 			    | (phy & 0xFF));
4996 
4997 	for (i = 0; i < length; i++)
4998 		payload.reserved[i] = cpu_to_le32(*(buf + i));
4999 
5000 	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
5001 			sizeof(payload), 0);
5002 	if (rc)
5003 		pm8001_tag_free(pm8001_ha, tag);
5004 
5005 	pm8001_dbg(pm8001_ha, INIT, "PHY %d settings applied\n", phy);
5006 }
5007 const struct pm8001_dispatch pm8001_80xx_dispatch = {
5008 	.name			= "pmc80xx",
5009 	.chip_init		= pm80xx_chip_init,
5010 	.chip_soft_rst		= pm80xx_chip_soft_rst,
5011 	.chip_rst		= pm80xx_hw_chip_rst,
5012 	.chip_iounmap		= pm8001_chip_iounmap,
5013 	.isr			= pm80xx_chip_isr,
5014 	.is_our_interrupt	= pm80xx_chip_is_our_interrupt,
5015 	.isr_process_oq		= process_oq,
5016 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
5017 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
5018 	.make_prd		= pm8001_chip_make_sg,
5019 	.smp_req		= pm80xx_chip_smp_req,
5020 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
5021 	.sata_req		= pm80xx_chip_sata_req,
5022 	.phy_start_req		= pm80xx_chip_phy_start_req,
5023 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
5024 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
5025 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5026 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
5027 	.task_abort		= pm8001_chip_abort_task,
5028 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5029 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5030 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5031 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5032 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5033 	.fatal_errors		= pm80xx_fatal_errors,
5034 	.hw_event_ack_req	= pm80xx_hw_event_ack_req,
5035 };
5036