xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision e7f127b2)
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 				const void *destination,
71 				u32 dw_count, u32 bus_base_number)
72 {
73 	u32 index, value, offset;
74 	u32 *destination1;
75 	destination1 = (u32 *)destination;
76 
77 	for (index = 0; index < dw_count; index += 4, destination1++) {
78 		offset = (soffset + index);
79 		if (offset < (64 * 1024)) {
80 			value = pm8001_cr32(pm8001_ha, bus_base_number, offset);
81 			*destination1 =  cpu_to_le32(value);
82 		}
83 	}
84 	return;
85 }
86 
87 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
88 	struct device_attribute *attr, char *buf)
89 {
90 	struct Scsi_Host *shost = class_to_shost(cdev);
91 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
92 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
93 	void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
94 	u32 accum_len, reg_val, index, *temp;
95 	u32 status = 1;
96 	unsigned long start;
97 	u8 *direct_data;
98 	char *fatal_error_data = buf;
99 	u32 length_to_read;
100 	u32 offset;
101 
102 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
103 	if (pm8001_ha->chip_id == chip_8001) {
104 		pm8001_ha->forensic_info.data_buf.direct_data +=
105 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
106 			"Not supported for SPC controller");
107 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
108 			(char *)buf;
109 	}
110 	/* initialize variables for very first call from host application */
111 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
112 		pm8001_dbg(pm8001_ha, IO,
113 			   "forensic_info TYPE_NON_FATAL..............\n");
114 		direct_data = (u8 *)fatal_error_data;
115 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
116 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
117 		pm8001_ha->forensic_info.data_buf.direct_offset = 0;
118 		pm8001_ha->forensic_info.data_buf.read_len = 0;
119 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
120 
121 		/* Write signature to fatal dump table */
122 		pm8001_mw32(fatal_table_address,
123 				MPI_FATAL_EDUMP_TABLE_SIGNATURE, 0x1234abcd);
124 
125 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
126 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: status1 %d\n", status);
127 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: read_len 0x%x\n",
128 			   pm8001_ha->forensic_info.data_buf.read_len);
129 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_len 0x%x\n",
130 			   pm8001_ha->forensic_info.data_buf.direct_len);
131 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_offset 0x%x\n",
132 			   pm8001_ha->forensic_info.data_buf.direct_offset);
133 	}
134 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
135 		/* start to get data */
136 		/* Program the MEMBASE II Shifting Register with 0x00.*/
137 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
138 				pm8001_ha->fatal_forensic_shift_offset);
139 		pm8001_ha->forensic_last_offset = 0;
140 		pm8001_ha->forensic_fatal_step = 0;
141 		pm8001_ha->fatal_bar_loc = 0;
142 	}
143 
144 	/* Read until accum_len is retrieved */
145 	accum_len = pm8001_mr32(fatal_table_address,
146 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
147 	/* Determine length of data between previously stored transfer length
148 	 * and current accumulated transfer length
149 	 */
150 	length_to_read =
151 		accum_len - pm8001_ha->forensic_preserved_accumulated_transfer;
152 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: accum_len 0x%x\n",
153 		   accum_len);
154 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: length_to_read 0x%x\n",
155 		   length_to_read);
156 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: last_offset 0x%x\n",
157 		   pm8001_ha->forensic_last_offset);
158 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: read_len 0x%x\n",
159 		   pm8001_ha->forensic_info.data_buf.read_len);
160 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_len 0x%x\n",
161 		   pm8001_ha->forensic_info.data_buf.direct_len);
162 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_offset 0x%x\n",
163 		   pm8001_ha->forensic_info.data_buf.direct_offset);
164 
165 	/* If accumulated length failed to read correctly fail the attempt.*/
166 	if (accum_len == 0xFFFFFFFF) {
167 		pm8001_dbg(pm8001_ha, IO,
168 			   "Possible PCI issue 0x%x not expected\n",
169 			   accum_len);
170 		return status;
171 	}
172 	/* If accumulated length is zero fail the attempt */
173 	if (accum_len == 0) {
174 		pm8001_ha->forensic_info.data_buf.direct_data +=
175 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
176 			"%08x ", 0xFFFFFFFF);
177 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
178 			(char *)buf;
179 	}
180 	/* Accumulated length is good so start capturing the first data */
181 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
182 	if (pm8001_ha->forensic_fatal_step == 0) {
183 moreData:
184 		/* If data to read is less than SYSFS_OFFSET then reduce the
185 		 * length of dataLen
186 		 */
187 		if (pm8001_ha->forensic_last_offset + SYSFS_OFFSET
188 				> length_to_read) {
189 			pm8001_ha->forensic_info.data_buf.direct_len =
190 				length_to_read -
191 				pm8001_ha->forensic_last_offset;
192 		} else {
193 			pm8001_ha->forensic_info.data_buf.direct_len =
194 				SYSFS_OFFSET;
195 		}
196 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
197 			/* Data is in bar, copy to host memory */
198 			pm80xx_pci_mem_copy(pm8001_ha,
199 			pm8001_ha->fatal_bar_loc,
200 			pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
201 			pm8001_ha->forensic_info.data_buf.direct_len, 1);
202 		}
203 		pm8001_ha->fatal_bar_loc +=
204 			pm8001_ha->forensic_info.data_buf.direct_len;
205 		pm8001_ha->forensic_info.data_buf.direct_offset +=
206 			pm8001_ha->forensic_info.data_buf.direct_len;
207 		pm8001_ha->forensic_last_offset	+=
208 			pm8001_ha->forensic_info.data_buf.direct_len;
209 		pm8001_ha->forensic_info.data_buf.read_len =
210 			pm8001_ha->forensic_info.data_buf.direct_len;
211 
212 		if (pm8001_ha->forensic_last_offset  >= length_to_read) {
213 			pm8001_ha->forensic_info.data_buf.direct_data +=
214 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
215 				"%08x ", 3);
216 			for (index = 0; index <
217 				(pm8001_ha->forensic_info.data_buf.direct_len
218 				 / 4); index++) {
219 				pm8001_ha->forensic_info.data_buf.direct_data +=
220 				sprintf(
221 				pm8001_ha->forensic_info.data_buf.direct_data,
222 				"%08x ", *(temp + index));
223 			}
224 
225 			pm8001_ha->fatal_bar_loc = 0;
226 			pm8001_ha->forensic_fatal_step = 1;
227 			pm8001_ha->fatal_forensic_shift_offset = 0;
228 			pm8001_ha->forensic_last_offset	= 0;
229 			status = 0;
230 			offset = (int)
231 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
232 			- (char *)buf);
233 			pm8001_dbg(pm8001_ha, IO,
234 				   "get_fatal_spcv:return1 0x%x\n", offset);
235 			return (char *)pm8001_ha->
236 				forensic_info.data_buf.direct_data -
237 				(char *)buf;
238 		}
239 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
240 			pm8001_ha->forensic_info.data_buf.direct_data +=
241 				sprintf(pm8001_ha->
242 					forensic_info.data_buf.direct_data,
243 					"%08x ", 2);
244 			for (index = 0; index <
245 				(pm8001_ha->forensic_info.data_buf.direct_len
246 				 / 4); index++) {
247 				pm8001_ha->forensic_info.data_buf.direct_data
248 					+= sprintf(pm8001_ha->
249 					forensic_info.data_buf.direct_data,
250 					"%08x ", *(temp + index));
251 			}
252 			status = 0;
253 			offset = (int)
254 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
255 			- (char *)buf);
256 			pm8001_dbg(pm8001_ha, IO,
257 				   "get_fatal_spcv:return2 0x%x\n", offset);
258 			return (char *)pm8001_ha->
259 				forensic_info.data_buf.direct_data -
260 				(char *)buf;
261 		}
262 
263 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
264 		pm8001_ha->forensic_info.data_buf.direct_data +=
265 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
266 				"%08x ", 2);
267 		for (index = 0; index <
268 			(pm8001_ha->forensic_info.data_buf.direct_len
269 			 / 4) ; index++) {
270 			pm8001_ha->forensic_info.data_buf.direct_data +=
271 				sprintf(pm8001_ha->
272 				forensic_info.data_buf.direct_data,
273 				"%08x ", *(temp + index));
274 		}
275 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
276 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
277 			pm8001_ha->fatal_forensic_shift_offset);
278 		pm8001_ha->fatal_bar_loc = 0;
279 		status = 0;
280 		offset = (int)
281 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
282 			- (char *)buf);
283 		pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return3 0x%x\n",
284 			   offset);
285 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
286 			(char *)buf;
287 	}
288 	if (pm8001_ha->forensic_fatal_step == 1) {
289 		/* store previous accumulated length before triggering next
290 		 * accumulated length update
291 		 */
292 		pm8001_ha->forensic_preserved_accumulated_transfer =
293 			pm8001_mr32(fatal_table_address,
294 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
295 
296 		/* continue capturing the fatal log until Dump status is 0x3 */
297 		if (pm8001_mr32(fatal_table_address,
298 			MPI_FATAL_EDUMP_TABLE_STATUS) <
299 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
300 
301 			/* reset fddstat bit by writing to zero*/
302 			pm8001_mw32(fatal_table_address,
303 					MPI_FATAL_EDUMP_TABLE_STATUS, 0x0);
304 
305 			/* set dump control value to '1' so that new data will
306 			 * be transferred to shared memory
307 			 */
308 			pm8001_mw32(fatal_table_address,
309 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
310 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
311 
312 			/*Poll FDDHSHK  until clear */
313 			start = jiffies + (2 * HZ); /* 2 sec */
314 
315 			do {
316 				reg_val = pm8001_mr32(fatal_table_address,
317 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
318 			} while ((reg_val) && time_before(jiffies, start));
319 
320 			if (reg_val != 0) {
321 				pm8001_dbg(pm8001_ha, FAIL,
322 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_HDSHAKE 0x%x\n",
323 					   reg_val);
324 			       /* Fail the dump if a timeout occurs */
325 				pm8001_ha->forensic_info.data_buf.direct_data +=
326 				sprintf(
327 				pm8001_ha->forensic_info.data_buf.direct_data,
328 				"%08x ", 0xFFFFFFFF);
329 				return((char *)
330 				pm8001_ha->forensic_info.data_buf.direct_data
331 				- (char *)buf);
332 			}
333 			/* Poll status register until set to 2 or
334 			 * 3 for up to 2 seconds
335 			 */
336 			start = jiffies + (2 * HZ); /* 2 sec */
337 
338 			do {
339 				reg_val = pm8001_mr32(fatal_table_address,
340 					MPI_FATAL_EDUMP_TABLE_STATUS);
341 			} while (((reg_val != 2) && (reg_val != 3)) &&
342 					time_before(jiffies, start));
343 
344 			if (reg_val < 2) {
345 				pm8001_dbg(pm8001_ha, FAIL,
346 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_STATUS = 0x%x\n",
347 					   reg_val);
348 				/* Fail the dump if a timeout occurs */
349 				pm8001_ha->forensic_info.data_buf.direct_data +=
350 				sprintf(
351 				pm8001_ha->forensic_info.data_buf.direct_data,
352 				"%08x ", 0xFFFFFFFF);
353 				return((char *)pm8001_ha->forensic_info.data_buf.direct_data -
354 						(char *)buf);
355 			}
356 	/* reset fatal_forensic_shift_offset back to zero and reset MEMBASE 2 register to zero */
357 			pm8001_ha->fatal_forensic_shift_offset = 0; /* location in 64k region */
358 			pm8001_cw32(pm8001_ha, 0,
359 					MEMBASE_II_SHIFT_REGISTER,
360 					pm8001_ha->fatal_forensic_shift_offset);
361 		}
362 		/* Read the next block of the debug data.*/
363 		length_to_read = pm8001_mr32(fatal_table_address,
364 		MPI_FATAL_EDUMP_TABLE_ACCUM_LEN) -
365 		pm8001_ha->forensic_preserved_accumulated_transfer;
366 		if (length_to_read != 0x0) {
367 			pm8001_ha->forensic_fatal_step = 0;
368 			goto moreData;
369 		} else {
370 			pm8001_ha->forensic_info.data_buf.direct_data +=
371 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
372 				"%08x ", 4);
373 			pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
374 			pm8001_ha->forensic_info.data_buf.direct_len =  0;
375 			pm8001_ha->forensic_info.data_buf.direct_offset = 0;
376 			pm8001_ha->forensic_info.data_buf.read_len = 0;
377 		}
378 	}
379 	offset = (int)((char *)pm8001_ha->forensic_info.data_buf.direct_data
380 			- (char *)buf);
381 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return4 0x%x\n", offset);
382 	return ((char *)pm8001_ha->forensic_info.data_buf.direct_data -
383 		(char *)buf);
384 }
385 
386 /* pm80xx_get_non_fatal_dump - dump the nonfatal data from the dma
387  * location by the firmware.
388  */
389 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
390 	struct device_attribute *attr, char *buf)
391 {
392 	struct Scsi_Host *shost = class_to_shost(cdev);
393 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
394 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
395 	void __iomem *nonfatal_table_address = pm8001_ha->fatal_tbl_addr;
396 	u32 accum_len = 0;
397 	u32 total_len = 0;
398 	u32 reg_val = 0;
399 	u32 *temp = NULL;
400 	u32 index = 0;
401 	u32 output_length;
402 	unsigned long start = 0;
403 	char *buf_copy = buf;
404 
405 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
406 	if (++pm8001_ha->non_fatal_count == 1) {
407 		if (pm8001_ha->chip_id == chip_8001) {
408 			snprintf(pm8001_ha->forensic_info.data_buf.direct_data,
409 				PAGE_SIZE, "Not supported for SPC controller");
410 			return 0;
411 		}
412 		pm8001_dbg(pm8001_ha, IO, "forensic_info TYPE_NON_FATAL...\n");
413 		/*
414 		 * Step 1: Write the host buffer parameters in the MPI Fatal and
415 		 * Non-Fatal Error Dump Capture Table.This is the buffer
416 		 * where debug data will be DMAed to.
417 		 */
418 		pm8001_mw32(nonfatal_table_address,
419 		MPI_FATAL_EDUMP_TABLE_LO_OFFSET,
420 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_lo);
421 
422 		pm8001_mw32(nonfatal_table_address,
423 		MPI_FATAL_EDUMP_TABLE_HI_OFFSET,
424 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_hi);
425 
426 		pm8001_mw32(nonfatal_table_address,
427 		MPI_FATAL_EDUMP_TABLE_LENGTH, SYSFS_OFFSET);
428 
429 		/* Optionally, set the DUMPCTRL bit to 1 if the host
430 		 * keeps sending active I/Os while capturing the non-fatal
431 		 * debug data. Otherwise, leave this bit set to zero
432 		 */
433 		pm8001_mw32(nonfatal_table_address,
434 		MPI_FATAL_EDUMP_TABLE_HANDSHAKE, MPI_FATAL_EDUMP_HANDSHAKE_RDY);
435 
436 		/*
437 		 * Step 2: Clear Accumulative Length of Debug Data Transferred
438 		 * [ACCDDLEN] field in the MPI Fatal and Non-Fatal Error Dump
439 		 * Capture Table to zero.
440 		 */
441 		pm8001_mw32(nonfatal_table_address,
442 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN, 0);
443 
444 		/* initiallize previous accumulated length to 0 */
445 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
446 		pm8001_ha->non_fatal_read_length = 0;
447 	}
448 
449 	total_len = pm8001_mr32(nonfatal_table_address,
450 			MPI_FATAL_EDUMP_TABLE_TOTAL_LEN);
451 	/*
452 	 * Step 3:Clear Fatal/Non-Fatal Debug Data Transfer Status [FDDTSTAT]
453 	 * field and then request that the SPCv controller transfer the debug
454 	 * data by setting bit 7 of the Inbound Doorbell Set Register.
455 	 */
456 	pm8001_mw32(nonfatal_table_address, MPI_FATAL_EDUMP_TABLE_STATUS, 0);
457 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET,
458 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP);
459 
460 	/*
461 	 * Step 4.1: Read back the Inbound Doorbell Set Register (by polling for
462 	 * 2 seconds) until register bit 7 is cleared.
463 	 * This step only indicates the request is accepted by the controller.
464 	 */
465 	start = jiffies + (2 * HZ); /* 2 sec */
466 	do {
467 		reg_val = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET) &
468 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP;
469 	} while ((reg_val != 0) && time_before(jiffies, start));
470 
471 	/* Step 4.2: To check the completion of the transfer, poll the Fatal/Non
472 	 * Fatal Debug Data Transfer Status [FDDTSTAT] field for 2 seconds in
473 	 * the MPI Fatal and Non-Fatal Error Dump Capture Table.
474 	 */
475 	start = jiffies + (2 * HZ); /* 2 sec */
476 	do {
477 		reg_val = pm8001_mr32(nonfatal_table_address,
478 				MPI_FATAL_EDUMP_TABLE_STATUS);
479 	} while ((!reg_val) && time_before(jiffies, start));
480 
481 	if ((reg_val == 0x00) ||
482 		(reg_val == MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED) ||
483 		(reg_val > MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE)) {
484 		pm8001_ha->non_fatal_read_length = 0;
485 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 0xFFFFFFFF);
486 		pm8001_ha->non_fatal_count = 0;
487 		return (buf_copy - buf);
488 	} else if (reg_val ==
489 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA) {
490 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 2);
491 	} else if ((reg_val == MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) ||
492 		(pm8001_ha->non_fatal_read_length >= total_len)) {
493 		pm8001_ha->non_fatal_read_length = 0;
494 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 4);
495 		pm8001_ha->non_fatal_count = 0;
496 	}
497 	accum_len = pm8001_mr32(nonfatal_table_address,
498 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
499 	output_length = accum_len -
500 		pm8001_ha->forensic_preserved_accumulated_transfer;
501 
502 	for (index = 0; index < output_length/4; index++)
503 		buf_copy += snprintf(buf_copy, PAGE_SIZE,
504 				"%08x ", *(temp+index));
505 
506 	pm8001_ha->non_fatal_read_length += output_length;
507 
508 	/* store current accumulated length to use in next iteration as
509 	 * the previous accumulated length
510 	 */
511 	pm8001_ha->forensic_preserved_accumulated_transfer = accum_len;
512 	return (buf_copy - buf);
513 }
514 
515 /**
516  * read_main_config_table - read the configure table and save it.
517  * @pm8001_ha: our hba card information
518  */
519 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
520 {
521 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
522 
523 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
524 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
525 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
526 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
527 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
528 		pm8001_mr32(address, MAIN_FW_REVISION);
529 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
530 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
531 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
532 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
533 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
534 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
535 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
536 		pm8001_mr32(address, MAIN_GST_OFFSET);
537 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
538 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
539 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
540 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
541 
542 	/* read Error Dump Offset and Length */
543 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
544 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
545 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
546 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
547 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
548 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
549 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
550 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
551 
552 	/* read GPIO LED settings from the configuration table */
553 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
554 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
555 
556 	/* read analog Setting offset from the configuration table */
557 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
558 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
559 
560 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
561 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
562 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
563 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
564 	/* read port recover and reset timeout */
565 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
566 		pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
567 	/* read ILA and inactive firmware version */
568 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
569 		pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
570 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
571 		pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
572 
573 	pm8001_dbg(pm8001_ha, DEV,
574 		   "Main cfg table: sign:%x interface rev:%x fw_rev:%x\n",
575 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature,
576 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev,
577 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev);
578 
579 	pm8001_dbg(pm8001_ha, DEV,
580 		   "table offset: gst:%x iq:%x oq:%x int vec:%x phy attr:%x\n",
581 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset,
582 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset,
583 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset,
584 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset,
585 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset);
586 
587 	pm8001_dbg(pm8001_ha, DEV,
588 		   "Main cfg table; ila rev:%x Inactive fw rev:%x\n",
589 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version,
590 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version);
591 }
592 
593 /**
594  * read_general_status_table - read the general status table and save it.
595  * @pm8001_ha: our hba card information
596  */
597 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
598 {
599 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
600 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
601 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
602 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
603 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
604 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
605 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
606 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
607 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
608 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
609 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
610 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
611 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
612 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
613 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
614 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
615 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
616 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
617 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
618 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
619 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
620 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
621 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
622 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
623 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
624 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
625 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
626 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
627 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
628 }
629 /**
630  * read_phy_attr_table - read the phy attribute table and save it.
631  * @pm8001_ha: our hba card information
632  */
633 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
634 {
635 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
636 	pm8001_ha->phy_attr_table.phystart1_16[0] =
637 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
638 	pm8001_ha->phy_attr_table.phystart1_16[1] =
639 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
640 	pm8001_ha->phy_attr_table.phystart1_16[2] =
641 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
642 	pm8001_ha->phy_attr_table.phystart1_16[3] =
643 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
644 	pm8001_ha->phy_attr_table.phystart1_16[4] =
645 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
646 	pm8001_ha->phy_attr_table.phystart1_16[5] =
647 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
648 	pm8001_ha->phy_attr_table.phystart1_16[6] =
649 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
650 	pm8001_ha->phy_attr_table.phystart1_16[7] =
651 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
652 	pm8001_ha->phy_attr_table.phystart1_16[8] =
653 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
654 	pm8001_ha->phy_attr_table.phystart1_16[9] =
655 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
656 	pm8001_ha->phy_attr_table.phystart1_16[10] =
657 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
658 	pm8001_ha->phy_attr_table.phystart1_16[11] =
659 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
660 	pm8001_ha->phy_attr_table.phystart1_16[12] =
661 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
662 	pm8001_ha->phy_attr_table.phystart1_16[13] =
663 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
664 	pm8001_ha->phy_attr_table.phystart1_16[14] =
665 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
666 	pm8001_ha->phy_attr_table.phystart1_16[15] =
667 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
668 
669 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
670 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
671 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
672 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
673 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
674 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
675 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
676 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
677 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
678 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
679 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
680 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
681 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
682 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
683 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
684 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
685 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
686 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
687 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
688 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
689 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
690 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
691 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
692 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
693 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
694 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
695 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
696 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
697 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
698 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
699 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
700 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
701 
702 }
703 
704 /**
705  * read_inbnd_queue_table - read the inbound queue table and save it.
706  * @pm8001_ha: our hba card information
707  */
708 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
709 {
710 	int i;
711 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
712 	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
713 		u32 offset = i * 0x20;
714 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
715 			get_pci_bar_index(pm8001_mr32(address,
716 				(offset + IB_PIPCI_BAR)));
717 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
718 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
719 	}
720 }
721 
722 /**
723  * read_outbnd_queue_table - read the outbound queue table and save it.
724  * @pm8001_ha: our hba card information
725  */
726 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
727 {
728 	int i;
729 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
730 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
731 		u32 offset = i * 0x24;
732 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
733 			get_pci_bar_index(pm8001_mr32(address,
734 				(offset + OB_CIPCI_BAR)));
735 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
736 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
737 	}
738 }
739 
740 /**
741  * init_default_table_values - init the default table.
742  * @pm8001_ha: our hba card information
743  */
744 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
745 {
746 	int i;
747 	u32 offsetib, offsetob;
748 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
749 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
750 	u32 ib_offset = pm8001_ha->ib_offset;
751 	u32 ob_offset = pm8001_ha->ob_offset;
752 	u32 ci_offset = pm8001_ha->ci_offset;
753 	u32 pi_offset = pm8001_ha->pi_offset;
754 
755 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
756 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
757 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
758 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
759 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
760 							PM8001_EVENT_LOG_SIZE;
761 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
762 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
763 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
764 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
765 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
766 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
767 							PM8001_EVENT_LOG_SIZE;
768 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
769 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
770 
771 	/* Disable end to end CRC checking */
772 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
773 
774 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
775 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
776 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
777 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
778 			pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
779 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
780 		pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
781 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
782 		  (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
783 		pm8001_ha->inbnd_q_tbl[i].total_length		=
784 			pm8001_ha->memoryMap.region[ib_offset + i].total_len;
785 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
786 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
787 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
788 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
789 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
790 			pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
791 		pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
792 		offsetib = i * 0x20;
793 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
794 			get_pci_bar_index(pm8001_mr32(addressib,
795 				(offsetib + 0x14)));
796 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
797 			pm8001_mr32(addressib, (offsetib + 0x18));
798 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
799 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
800 
801 		pm8001_dbg(pm8001_ha, DEV,
802 			   "IQ %d pi_bar 0x%x pi_offset 0x%x\n", i,
803 			   pm8001_ha->inbnd_q_tbl[i].pi_pci_bar,
804 			   pm8001_ha->inbnd_q_tbl[i].pi_offset);
805 	}
806 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
807 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
808 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
809 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
810 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
811 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
812 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
813 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
814 		  (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
815 		pm8001_ha->outbnd_q_tbl[i].total_length		=
816 			pm8001_ha->memoryMap.region[ob_offset + i].total_len;
817 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
818 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
819 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
820 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
821 		/* interrupt vector based on oq */
822 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
823 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
824 			pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
825 		pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
826 		offsetob = i * 0x24;
827 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
828 			get_pci_bar_index(pm8001_mr32(addressob,
829 			offsetob + 0x14));
830 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
831 			pm8001_mr32(addressob, (offsetob + 0x18));
832 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
833 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
834 
835 		pm8001_dbg(pm8001_ha, DEV,
836 			   "OQ %d ci_bar 0x%x ci_offset 0x%x\n", i,
837 			   pm8001_ha->outbnd_q_tbl[i].ci_pci_bar,
838 			   pm8001_ha->outbnd_q_tbl[i].ci_offset);
839 	}
840 }
841 
842 /**
843  * update_main_config_table - update the main default table to the HBA.
844  * @pm8001_ha: our hba card information
845  */
846 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
847 {
848 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
849 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
850 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
851 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
852 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
853 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
854 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
855 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
856 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
857 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
858 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
859 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
860 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
861 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
862 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
863 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
864 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
865 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
866 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
867 	/* Update Fatal error interrupt vector */
868 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
869 					((pm8001_ha->max_q_num - 1) << 8);
870 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
871 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
872 	pm8001_dbg(pm8001_ha, DEV,
873 		   "Updated Fatal error interrupt vector 0x%x\n",
874 		   pm8001_mr32(address, MAIN_FATAL_ERROR_INTERRUPT));
875 
876 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
877 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
878 
879 	/* SPCv specific */
880 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
881 	/* Set GPIOLED to 0x2 for LED indicator */
882 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
883 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
884 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
885 	pm8001_dbg(pm8001_ha, DEV,
886 		   "Programming DW 0x21 in main cfg table with 0x%x\n",
887 		   pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET));
888 
889 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
890 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
891 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
892 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
893 
894 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
895 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
896 							PORT_RECOVERY_TIMEOUT;
897 	if (pm8001_ha->chip_id == chip_8006) {
898 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
899 					0x0000ffff;
900 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
901 					CHIP_8006_PORT_RECOVERY_TIMEOUT;
902 	}
903 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
904 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
905 }
906 
907 /**
908  * update_inbnd_queue_table - update the inbound queue table to the HBA.
909  * @pm8001_ha: our hba card information
910  * @number: entry in the queue
911  */
912 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
913 					 int number)
914 {
915 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
916 	u16 offset = number * 0x20;
917 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
918 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
919 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
920 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
921 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
922 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
923 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
924 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
925 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
926 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
927 
928 	pm8001_dbg(pm8001_ha, DEV,
929 		   "IQ %d: Element pri size 0x%x\n",
930 		   number,
931 		   pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
932 
933 	pm8001_dbg(pm8001_ha, DEV,
934 		   "IQ upr base addr 0x%x IQ lwr base addr 0x%x\n",
935 		   pm8001_ha->inbnd_q_tbl[number].upper_base_addr,
936 		   pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
937 
938 	pm8001_dbg(pm8001_ha, DEV,
939 		   "CI upper base addr 0x%x CI lower base addr 0x%x\n",
940 		   pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr,
941 		   pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
942 }
943 
944 /**
945  * update_outbnd_queue_table - update the outbound queue table to the HBA.
946  * @pm8001_ha: our hba card information
947  * @number: entry in the queue
948  */
949 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
950 						 int number)
951 {
952 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
953 	u16 offset = number * 0x24;
954 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
955 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
956 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
957 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
958 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
959 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
960 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
961 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
962 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
963 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
964 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
965 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
966 
967 	pm8001_dbg(pm8001_ha, DEV,
968 		   "OQ %d: Element pri size 0x%x\n",
969 		   number,
970 		   pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
971 
972 	pm8001_dbg(pm8001_ha, DEV,
973 		   "OQ upr base addr 0x%x OQ lwr base addr 0x%x\n",
974 		   pm8001_ha->outbnd_q_tbl[number].upper_base_addr,
975 		   pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
976 
977 	pm8001_dbg(pm8001_ha, DEV,
978 		   "PI upper base addr 0x%x PI lower base addr 0x%x\n",
979 		   pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr,
980 		   pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
981 }
982 
983 /**
984  * mpi_init_check - check firmware initialization status.
985  * @pm8001_ha: our hba card information
986  */
987 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
988 {
989 	u32 max_wait_count;
990 	u32 value;
991 	u32 gst_len_mpistate;
992 
993 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
994 	table is updated */
995 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
996 	/* wait until Inbound DoorBell Clear Register toggled */
997 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
998 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
999 	} else {
1000 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1001 	}
1002 	do {
1003 		msleep(FW_READY_INTERVAL);
1004 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1005 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
1006 	} while ((value != 0) && (--max_wait_count));
1007 
1008 	if (!max_wait_count) {
1009 		/* additional check */
1010 		pm8001_dbg(pm8001_ha, FAIL,
1011 			   "Inb doorbell clear not toggled[value:%x]\n",
1012 			   value);
1013 		return -EBUSY;
1014 	}
1015 	/* check the MPI-State for initialization up to 100ms*/
1016 	max_wait_count = 5;/* 100 msec */
1017 	do {
1018 		msleep(FW_READY_INTERVAL);
1019 		gst_len_mpistate =
1020 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1021 					GST_GSTLEN_MPIS_OFFSET);
1022 	} while ((GST_MPI_STATE_INIT !=
1023 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
1024 	if (!max_wait_count)
1025 		return -EBUSY;
1026 
1027 	/* check MPI Initialization error */
1028 	gst_len_mpistate = gst_len_mpistate >> 16;
1029 	if (0x0000 != gst_len_mpistate)
1030 		return -EBUSY;
1031 
1032 	return 0;
1033 }
1034 
1035 /**
1036  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
1037  * This function sleeps hence it must not be used in atomic context.
1038  * @pm8001_ha: our hba card information
1039  */
1040 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
1041 {
1042 	u32 value;
1043 	u32 max_wait_count;
1044 	u32 max_wait_time;
1045 	u32 expected_mask;
1046 	int ret = 0;
1047 
1048 	/* reset / PCIe ready */
1049 	max_wait_time = max_wait_count = 5;	/* 100 milli sec */
1050 	do {
1051 		msleep(FW_READY_INTERVAL);
1052 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1053 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
1054 
1055 	/* check ila, RAAE and iops status */
1056 	if ((pm8001_ha->chip_id != chip_8008) &&
1057 			(pm8001_ha->chip_id != chip_8009)) {
1058 		max_wait_time = max_wait_count = 180;   /* 3600 milli sec */
1059 		expected_mask = SCRATCH_PAD_ILA_READY |
1060 			SCRATCH_PAD_RAAE_READY |
1061 			SCRATCH_PAD_IOP0_READY |
1062 			SCRATCH_PAD_IOP1_READY;
1063 	} else {
1064 		max_wait_time = max_wait_count = 170;   /* 3400 milli sec */
1065 		expected_mask = SCRATCH_PAD_ILA_READY |
1066 			SCRATCH_PAD_RAAE_READY |
1067 			SCRATCH_PAD_IOP0_READY;
1068 	}
1069 	do {
1070 		msleep(FW_READY_INTERVAL);
1071 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1072 	} while (((value & expected_mask) !=
1073 				 expected_mask) && (--max_wait_count));
1074 	if (!max_wait_count) {
1075 		pm8001_dbg(pm8001_ha, INIT,
1076 		"At least one FW component failed to load within %d millisec: Scratchpad1: 0x%x\n",
1077 			max_wait_time * FW_READY_INTERVAL, value);
1078 		ret = -1;
1079 	} else {
1080 		pm8001_dbg(pm8001_ha, MSG,
1081 			"All FW components ready by %d ms\n",
1082 			(max_wait_time - max_wait_count) * FW_READY_INTERVAL);
1083 	}
1084 	return ret;
1085 }
1086 
1087 static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
1088 {
1089 	void __iomem *base_addr;
1090 	u32	value;
1091 	u32	offset;
1092 	u32	pcibar;
1093 	u32	pcilogic;
1094 
1095 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1096 
1097 	/*
1098 	 * lower 26 bits of SCRATCHPAD0 register describes offset within the
1099 	 * PCIe BAR where the MPI configuration table is present
1100 	 */
1101 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
1102 
1103 	pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
1104 		   offset, value);
1105 	/*
1106 	 * Upper 6 bits describe the offset within PCI config space where BAR
1107 	 * is located.
1108 	 */
1109 	pcilogic = (value & 0xFC000000) >> 26;
1110 	pcibar = get_pci_bar_index(pcilogic);
1111 	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
1112 
1113 	/*
1114 	 * Make sure the offset falls inside the ioremapped PCI BAR
1115 	 */
1116 	if (offset > pm8001_ha->io_mem[pcibar].memsize) {
1117 		pm8001_dbg(pm8001_ha, FAIL,
1118 			"Main cfg tbl offset outside %u > %u\n",
1119 				offset, pm8001_ha->io_mem[pcibar].memsize);
1120 		return -EBUSY;
1121 	}
1122 	pm8001_ha->main_cfg_tbl_addr = base_addr =
1123 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
1124 
1125 	/*
1126 	 * Validate main configuration table address: first DWord should read
1127 	 * "PMCS"
1128 	 */
1129 	value = pm8001_mr32(pm8001_ha->main_cfg_tbl_addr, 0);
1130 	if (memcmp(&value, "PMCS", 4) != 0) {
1131 		pm8001_dbg(pm8001_ha, FAIL,
1132 			"BAD main config signature 0x%x\n",
1133 				value);
1134 		return -EBUSY;
1135 	}
1136 	pm8001_dbg(pm8001_ha, INIT,
1137 			"VALID main config signature 0x%x\n", value);
1138 	pm8001_ha->general_stat_tbl_addr =
1139 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
1140 					0xFFFFFF);
1141 	pm8001_ha->inbnd_q_tbl_addr =
1142 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
1143 					0xFFFFFF);
1144 	pm8001_ha->outbnd_q_tbl_addr =
1145 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
1146 					0xFFFFFF);
1147 	pm8001_ha->ivt_tbl_addr =
1148 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
1149 					0xFFFFFF);
1150 	pm8001_ha->pspa_q_tbl_addr =
1151 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
1152 					0xFFFFFF);
1153 	pm8001_ha->fatal_tbl_addr =
1154 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
1155 					0xFFFFFF);
1156 
1157 	pm8001_dbg(pm8001_ha, INIT, "GST OFFSET 0x%x\n",
1158 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x18));
1159 	pm8001_dbg(pm8001_ha, INIT, "INBND OFFSET 0x%x\n",
1160 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C));
1161 	pm8001_dbg(pm8001_ha, INIT, "OBND OFFSET 0x%x\n",
1162 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x20));
1163 	pm8001_dbg(pm8001_ha, INIT, "IVT OFFSET 0x%x\n",
1164 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C));
1165 	pm8001_dbg(pm8001_ha, INIT, "PSPA OFFSET 0x%x\n",
1166 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x90));
1167 	pm8001_dbg(pm8001_ha, INIT, "addr - main cfg %p general status %p\n",
1168 		   pm8001_ha->main_cfg_tbl_addr,
1169 		   pm8001_ha->general_stat_tbl_addr);
1170 	pm8001_dbg(pm8001_ha, INIT, "addr - inbnd %p obnd %p\n",
1171 		   pm8001_ha->inbnd_q_tbl_addr,
1172 		   pm8001_ha->outbnd_q_tbl_addr);
1173 	pm8001_dbg(pm8001_ha, INIT, "addr - pspa %p ivt %p\n",
1174 		   pm8001_ha->pspa_q_tbl_addr,
1175 		   pm8001_ha->ivt_tbl_addr);
1176 	return 0;
1177 }
1178 
1179 /**
1180  * pm80xx_set_thermal_config - support the thermal configuration
1181  * @pm8001_ha: our hba card information.
1182  */
1183 int
1184 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
1185 {
1186 	struct set_ctrl_cfg_req payload;
1187 	struct inbound_queue_table *circularQ;
1188 	int rc;
1189 	u32 tag;
1190 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1191 	u32 page_code;
1192 
1193 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1194 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1195 	if (rc)
1196 		return -1;
1197 
1198 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1199 	payload.tag = cpu_to_le32(tag);
1200 
1201 	if (IS_SPCV_12G(pm8001_ha->pdev))
1202 		page_code = THERMAL_PAGE_CODE_7H;
1203 	else
1204 		page_code = THERMAL_PAGE_CODE_8H;
1205 
1206 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
1207 				(THERMAL_ENABLE << 8) | page_code;
1208 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
1209 
1210 	pm8001_dbg(pm8001_ha, DEV,
1211 		   "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n",
1212 		   payload.cfg_pg[0], payload.cfg_pg[1]);
1213 
1214 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1215 			sizeof(payload), 0);
1216 	if (rc)
1217 		pm8001_tag_free(pm8001_ha, tag);
1218 	return rc;
1219 
1220 }
1221 
1222 /**
1223 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
1224 * Timer configuration page
1225 * @pm8001_ha: our hba card information.
1226 */
1227 static int
1228 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
1229 {
1230 	struct set_ctrl_cfg_req payload;
1231 	struct inbound_queue_table *circularQ;
1232 	SASProtocolTimerConfig_t SASConfigPage;
1233 	int rc;
1234 	u32 tag;
1235 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1236 
1237 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1238 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
1239 
1240 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1241 
1242 	if (rc)
1243 		return -1;
1244 
1245 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1246 	payload.tag = cpu_to_le32(tag);
1247 
1248 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
1249 	SASConfigPage.MST_MSI         =  3 << 15;
1250 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
1251 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
1252 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
1253 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
1254 
1255 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
1256 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
1257 
1258 
1259 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
1260 						SAS_OPNRJT_RTRY_INTVL;
1261 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
1262 						| SAS_COPNRJT_RTRY_TMO;
1263 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
1264 						| SAS_COPNRJT_RTRY_THR;
1265 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
1266 
1267 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.pageCode 0x%08x\n",
1268 		   SASConfigPage.pageCode);
1269 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MST_MSI  0x%08x\n",
1270 		   SASConfigPage.MST_MSI);
1271 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_SSP_MCT_TMO  0x%08x\n",
1272 		   SASConfigPage.STP_SSP_MCT_TMO);
1273 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_FRM_TMO  0x%08x\n",
1274 		   SASConfigPage.STP_FRM_TMO);
1275 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_IDLE_TMO  0x%08x\n",
1276 		   SASConfigPage.STP_IDLE_TMO);
1277 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.OPNRJT_RTRY_INTVL  0x%08x\n",
1278 		   SASConfigPage.OPNRJT_RTRY_INTVL);
1279 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO  0x%08x\n",
1280 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO);
1281 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR  0x%08x\n",
1282 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR);
1283 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MAX_AIP  0x%08x\n",
1284 		   SASConfigPage.MAX_AIP);
1285 
1286 	memcpy(&payload.cfg_pg, &SASConfigPage,
1287 			 sizeof(SASProtocolTimerConfig_t));
1288 
1289 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1290 			sizeof(payload), 0);
1291 	if (rc)
1292 		pm8001_tag_free(pm8001_ha, tag);
1293 
1294 	return rc;
1295 }
1296 
1297 /**
1298  * pm80xx_get_encrypt_info - Check for encryption
1299  * @pm8001_ha: our hba card information.
1300  */
1301 static int
1302 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
1303 {
1304 	u32 scratch3_value;
1305 	int ret = -1;
1306 
1307 	/* Read encryption status from SCRATCH PAD 3 */
1308 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1309 
1310 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1311 					SCRATCH_PAD3_ENC_READY) {
1312 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1313 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1314 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1315 						SCRATCH_PAD3_SMF_ENABLED)
1316 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1317 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1318 						SCRATCH_PAD3_SMA_ENABLED)
1319 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1320 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1321 						SCRATCH_PAD3_SMB_ENABLED)
1322 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1323 		pm8001_ha->encrypt_info.status = 0;
1324 		pm8001_dbg(pm8001_ha, INIT,
1325 			   "Encryption: SCRATCH_PAD3_ENC_READY 0x%08X.Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1326 			   scratch3_value,
1327 			   pm8001_ha->encrypt_info.cipher_mode,
1328 			   pm8001_ha->encrypt_info.sec_mode,
1329 			   pm8001_ha->encrypt_info.status);
1330 		ret = 0;
1331 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1332 					SCRATCH_PAD3_ENC_DISABLED) {
1333 		pm8001_dbg(pm8001_ha, INIT,
1334 			   "Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1335 			   scratch3_value);
1336 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1337 		pm8001_ha->encrypt_info.cipher_mode = 0;
1338 		pm8001_ha->encrypt_info.sec_mode = 0;
1339 		ret = 0;
1340 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1341 				SCRATCH_PAD3_ENC_DIS_ERR) {
1342 		pm8001_ha->encrypt_info.status =
1343 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1344 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1345 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1346 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1347 					SCRATCH_PAD3_SMF_ENABLED)
1348 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1349 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1350 					SCRATCH_PAD3_SMA_ENABLED)
1351 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1352 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1353 					SCRATCH_PAD3_SMB_ENABLED)
1354 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1355 		pm8001_dbg(pm8001_ha, INIT,
1356 			   "Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1357 			   scratch3_value,
1358 			   pm8001_ha->encrypt_info.cipher_mode,
1359 			   pm8001_ha->encrypt_info.sec_mode,
1360 			   pm8001_ha->encrypt_info.status);
1361 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1362 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1363 
1364 		pm8001_ha->encrypt_info.status =
1365 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1366 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1367 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1368 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1369 					SCRATCH_PAD3_SMF_ENABLED)
1370 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1371 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1372 					SCRATCH_PAD3_SMA_ENABLED)
1373 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1374 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1375 					SCRATCH_PAD3_SMB_ENABLED)
1376 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1377 
1378 		pm8001_dbg(pm8001_ha, INIT,
1379 			   "Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1380 			   scratch3_value,
1381 			   pm8001_ha->encrypt_info.cipher_mode,
1382 			   pm8001_ha->encrypt_info.sec_mode,
1383 			   pm8001_ha->encrypt_info.status);
1384 	}
1385 	return ret;
1386 }
1387 
1388 /**
1389  * pm80xx_encrypt_update - update flash with encryption information
1390  * @pm8001_ha: our hba card information.
1391  */
1392 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1393 {
1394 	struct kek_mgmt_req payload;
1395 	struct inbound_queue_table *circularQ;
1396 	int rc;
1397 	u32 tag;
1398 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1399 
1400 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1401 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1402 	if (rc)
1403 		return -1;
1404 
1405 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1406 	payload.tag = cpu_to_le32(tag);
1407 	/* Currently only one key is used. New KEK index is 1.
1408 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1409 	 */
1410 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1411 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1412 
1413 	pm8001_dbg(pm8001_ha, DEV,
1414 		   "Saving Encryption info to flash. payload 0x%x\n",
1415 		   payload.new_curidx_ksop);
1416 
1417 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1418 			sizeof(payload), 0);
1419 	if (rc)
1420 		pm8001_tag_free(pm8001_ha, tag);
1421 
1422 	return rc;
1423 }
1424 
1425 /**
1426  * pm80xx_chip_init - the main init function that initializes whole PM8001 chip.
1427  * @pm8001_ha: our hba card information
1428  */
1429 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1430 {
1431 	int ret;
1432 	u8 i = 0;
1433 
1434 	/* check the firmware status */
1435 	if (-1 == check_fw_ready(pm8001_ha)) {
1436 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1437 		return -EBUSY;
1438 	}
1439 
1440 	/* Initialize the controller fatal error flag */
1441 	pm8001_ha->controller_fatal_error = false;
1442 
1443 	/* Initialize pci space address eg: mpi offset */
1444 	ret = init_pci_device_addresses(pm8001_ha);
1445 	if (ret) {
1446 		pm8001_dbg(pm8001_ha, FAIL,
1447 			"Failed to init pci addresses");
1448 		return ret;
1449 	}
1450 	init_default_table_values(pm8001_ha);
1451 	read_main_config_table(pm8001_ha);
1452 	read_general_status_table(pm8001_ha);
1453 	read_inbnd_queue_table(pm8001_ha);
1454 	read_outbnd_queue_table(pm8001_ha);
1455 	read_phy_attr_table(pm8001_ha);
1456 
1457 	/* update main config table ,inbound table and outbound table */
1458 	update_main_config_table(pm8001_ha);
1459 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
1460 		update_inbnd_queue_table(pm8001_ha, i);
1461 		update_outbnd_queue_table(pm8001_ha, i);
1462 	}
1463 	/* notify firmware update finished and check initialization status */
1464 	if (0 == mpi_init_check(pm8001_ha)) {
1465 		pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
1466 	} else
1467 		return -EBUSY;
1468 
1469 	/* send SAS protocol timer configuration page to FW */
1470 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1471 
1472 	/* Check for encryption */
1473 	if (pm8001_ha->chip->encrypt) {
1474 		pm8001_dbg(pm8001_ha, INIT, "Checking for encryption\n");
1475 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1476 		if (ret == -1) {
1477 			pm8001_dbg(pm8001_ha, INIT, "Encryption error !!\n");
1478 			if (pm8001_ha->encrypt_info.status == 0x81) {
1479 				pm8001_dbg(pm8001_ha, INIT,
1480 					   "Encryption enabled with error.Saving encryption key to flash\n");
1481 				pm80xx_encrypt_update(pm8001_ha);
1482 			}
1483 		}
1484 	}
1485 	return 0;
1486 }
1487 
1488 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1489 {
1490 	u32 max_wait_count;
1491 	u32 value;
1492 	u32 gst_len_mpistate;
1493 	int ret;
1494 
1495 	ret = init_pci_device_addresses(pm8001_ha);
1496 	if (ret) {
1497 		pm8001_dbg(pm8001_ha, FAIL,
1498 			"Failed to init pci addresses");
1499 		return ret;
1500 	}
1501 
1502 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1503 	table is stop */
1504 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1505 
1506 	/* wait until Inbound DoorBell Clear Register toggled */
1507 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1508 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
1509 	} else {
1510 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1511 	}
1512 	do {
1513 		msleep(FW_READY_INTERVAL);
1514 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1515 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1516 	} while ((value != 0) && (--max_wait_count));
1517 
1518 	if (!max_wait_count) {
1519 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=%x\n", value);
1520 		return -1;
1521 	}
1522 
1523 	/* check the MPI-State for termination in progress */
1524 	/* wait until Inbound DoorBell Clear Register toggled */
1525 	max_wait_count = 100; /* 2 sec for spcv/ve */
1526 	do {
1527 		msleep(FW_READY_INTERVAL);
1528 		gst_len_mpistate =
1529 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1530 			GST_GSTLEN_MPIS_OFFSET);
1531 		if (GST_MPI_STATE_UNINIT ==
1532 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1533 			break;
1534 	} while (--max_wait_count);
1535 	if (!max_wait_count) {
1536 		pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
1537 			   gst_len_mpistate & GST_MPI_STATE_MASK);
1538 		return -1;
1539 	}
1540 
1541 	return 0;
1542 }
1543 
1544 /**
1545  * pm80xx_fatal_errors - returns non-zero *ONLY* when fatal errors
1546  * @pm8001_ha: our hba card information
1547  *
1548  * Fatal errors are recoverable only after a host reboot.
1549  */
1550 int
1551 pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha)
1552 {
1553 	int ret = 0;
1554 	u32 scratch_pad_rsvd0 = pm8001_cr32(pm8001_ha, 0,
1555 					MSGU_HOST_SCRATCH_PAD_6);
1556 	u32 scratch_pad_rsvd1 = pm8001_cr32(pm8001_ha, 0,
1557 					MSGU_HOST_SCRATCH_PAD_7);
1558 	u32 scratch_pad1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1559 	u32 scratch_pad2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1560 	u32 scratch_pad3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1561 
1562 	if (pm8001_ha->chip_id != chip_8006 &&
1563 			pm8001_ha->chip_id != chip_8074 &&
1564 			pm8001_ha->chip_id != chip_8076) {
1565 		return 0;
1566 	}
1567 
1568 	if (MSGU_SCRATCHPAD1_STATE_FATAL_ERROR(scratch_pad1)) {
1569 		pm8001_dbg(pm8001_ha, FAIL,
1570 			"Fatal error SCRATCHPAD1 = 0x%x SCRATCHPAD2 = 0x%x SCRATCHPAD3 = 0x%x SCRATCHPAD_RSVD0 = 0x%x SCRATCHPAD_RSVD1 = 0x%x\n",
1571 				scratch_pad1, scratch_pad2, scratch_pad3,
1572 				scratch_pad_rsvd0, scratch_pad_rsvd1);
1573 		ret = 1;
1574 	}
1575 
1576 	return ret;
1577 }
1578 
1579 /**
1580  * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that all
1581  * FW register status are reset to the originated status.
1582  * @pm8001_ha: our hba card information
1583  */
1584 
1585 static int
1586 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1587 {
1588 	u32 regval;
1589 	u32 bootloader_state;
1590 	u32 ibutton0, ibutton1;
1591 
1592 	/* Process MPI table uninitialization only if FW is ready */
1593 	if (!pm8001_ha->controller_fatal_error) {
1594 		/* Check if MPI is in ready state to reset */
1595 		if (mpi_uninit_check(pm8001_ha) != 0) {
1596 			u32 r0 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1597 			u32 r1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1598 			u32 r2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1599 			u32 r3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1600 			pm8001_dbg(pm8001_ha, FAIL,
1601 				   "MPI state is not ready scratch: %x:%x:%x:%x\n",
1602 				   r0, r1, r2, r3);
1603 			/* if things aren't ready but the bootloader is ok then
1604 			 * try the reset anyway.
1605 			 */
1606 			if (r1 & SCRATCH_PAD1_BOOTSTATE_MASK)
1607 				return -1;
1608 		}
1609 	}
1610 	/* checked for reset register normal state; 0x0 */
1611 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1612 	pm8001_dbg(pm8001_ha, INIT, "reset register before write : 0x%x\n",
1613 		   regval);
1614 
1615 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1616 	msleep(500);
1617 
1618 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1619 	pm8001_dbg(pm8001_ha, INIT, "reset register after write 0x%x\n",
1620 		   regval);
1621 
1622 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1623 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1624 		pm8001_dbg(pm8001_ha, MSG,
1625 			   " soft reset successful [regval: 0x%x]\n",
1626 			   regval);
1627 	} else {
1628 		pm8001_dbg(pm8001_ha, MSG,
1629 			   " soft reset failed [regval: 0x%x]\n",
1630 			   regval);
1631 
1632 		/* check bootloader is successfully executed or in HDA mode */
1633 		bootloader_state =
1634 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1635 			SCRATCH_PAD1_BOOTSTATE_MASK;
1636 
1637 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1638 			pm8001_dbg(pm8001_ha, MSG,
1639 				   "Bootloader state - HDA mode SEEPROM\n");
1640 		} else if (bootloader_state ==
1641 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1642 			pm8001_dbg(pm8001_ha, MSG,
1643 				   "Bootloader state - HDA mode Bootstrap Pin\n");
1644 		} else if (bootloader_state ==
1645 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1646 			pm8001_dbg(pm8001_ha, MSG,
1647 				   "Bootloader state - HDA mode soft reset\n");
1648 		} else if (bootloader_state ==
1649 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1650 			pm8001_dbg(pm8001_ha, MSG,
1651 				   "Bootloader state-HDA mode critical error\n");
1652 		}
1653 		return -EBUSY;
1654 	}
1655 
1656 	/* check the firmware status after reset */
1657 	if (-1 == check_fw_ready(pm8001_ha)) {
1658 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1659 		/* check iButton feature support for motherboard controller */
1660 		if (pm8001_ha->pdev->subsystem_vendor !=
1661 			PCI_VENDOR_ID_ADAPTEC2 &&
1662 			pm8001_ha->pdev->subsystem_vendor !=
1663 			PCI_VENDOR_ID_ATTO &&
1664 			pm8001_ha->pdev->subsystem_vendor != 0) {
1665 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1666 					MSGU_HOST_SCRATCH_PAD_6);
1667 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1668 					MSGU_HOST_SCRATCH_PAD_7);
1669 			if (!ibutton0 && !ibutton1) {
1670 				pm8001_dbg(pm8001_ha, FAIL,
1671 					   "iButton Feature is not Available!!!\n");
1672 				return -EBUSY;
1673 			}
1674 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1675 				pm8001_dbg(pm8001_ha, FAIL,
1676 					   "CRC Check for iButton Feature Failed!!!\n");
1677 				return -EBUSY;
1678 			}
1679 		}
1680 	}
1681 	pm8001_dbg(pm8001_ha, INIT, "SPCv soft reset Complete\n");
1682 	return 0;
1683 }
1684 
1685 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1686 {
1687 	u32 i;
1688 
1689 	pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1690 
1691 	/* do SPCv chip reset. */
1692 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1693 	pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1694 
1695 	/* Check this ..whether delay is required or no */
1696 	/* delay 10 usec */
1697 	udelay(10);
1698 
1699 	/* wait for 20 msec until the firmware gets reloaded */
1700 	i = 20;
1701 	do {
1702 		mdelay(1);
1703 	} while ((--i) != 0);
1704 
1705 	pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1706 }
1707 
1708 /**
1709  * pm80xx_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1710  * @pm8001_ha: our hba card information
1711  */
1712 static void
1713 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1714 {
1715 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1716 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1717 }
1718 
1719 /**
1720  * pm80xx_chip_intx_interrupt_disable - disable PM8001 chip interrupt
1721  * @pm8001_ha: our hba card information
1722  */
1723 static void
1724 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1725 {
1726 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1727 }
1728 
1729 /**
1730  * pm80xx_chip_interrupt_enable - enable PM8001 chip interrupt
1731  * @pm8001_ha: our hba card information
1732  * @vec: interrupt number to enable
1733  */
1734 static void
1735 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1736 {
1737 #ifdef PM8001_USE_MSIX
1738 	u32 mask;
1739 	mask = (u32)(1 << vec);
1740 
1741 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1742 	return;
1743 #endif
1744 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1745 
1746 }
1747 
1748 /**
1749  * pm80xx_chip_interrupt_disable - disable PM8001 chip interrupt
1750  * @pm8001_ha: our hba card information
1751  * @vec: interrupt number to disable
1752  */
1753 static void
1754 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1755 {
1756 #ifdef PM8001_USE_MSIX
1757 	u32 mask;
1758 	if (vec == 0xFF)
1759 		mask = 0xFFFFFFFF;
1760 	else
1761 		mask = (u32)(1 << vec);
1762 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1763 	return;
1764 #endif
1765 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1766 }
1767 
1768 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1769 		struct pm8001_device *pm8001_ha_dev)
1770 {
1771 	int res;
1772 	u32 ccb_tag;
1773 	struct pm8001_ccb_info *ccb;
1774 	struct sas_task *task = NULL;
1775 	struct task_abort_req task_abort;
1776 	struct inbound_queue_table *circularQ;
1777 	u32 opc = OPC_INB_SATA_ABORT;
1778 	int ret;
1779 
1780 	if (!pm8001_ha_dev) {
1781 		pm8001_dbg(pm8001_ha, FAIL, "dev is null\n");
1782 		return;
1783 	}
1784 
1785 	task = sas_alloc_slow_task(GFP_ATOMIC);
1786 
1787 	if (!task) {
1788 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1789 		return;
1790 	}
1791 
1792 	task->task_done = pm8001_task_done;
1793 
1794 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1795 	if (res) {
1796 		sas_free_task(task);
1797 		return;
1798 	}
1799 
1800 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1801 	ccb->device = pm8001_ha_dev;
1802 	ccb->ccb_tag = ccb_tag;
1803 	ccb->task = task;
1804 
1805 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1806 
1807 	memset(&task_abort, 0, sizeof(task_abort));
1808 	task_abort.abort_all = cpu_to_le32(1);
1809 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1810 	task_abort.tag = cpu_to_le32(ccb_tag);
1811 
1812 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
1813 			sizeof(task_abort), 0);
1814 	pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n");
1815 	if (ret) {
1816 		sas_free_task(task);
1817 		pm8001_tag_free(pm8001_ha, ccb_tag);
1818 	}
1819 }
1820 
1821 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1822 		struct pm8001_device *pm8001_ha_dev)
1823 {
1824 	struct sata_start_req sata_cmd;
1825 	int res;
1826 	u32 ccb_tag;
1827 	struct pm8001_ccb_info *ccb;
1828 	struct sas_task *task = NULL;
1829 	struct host_to_dev_fis fis;
1830 	struct domain_device *dev;
1831 	struct inbound_queue_table *circularQ;
1832 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1833 
1834 	task = sas_alloc_slow_task(GFP_ATOMIC);
1835 
1836 	if (!task) {
1837 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1838 		return;
1839 	}
1840 	task->task_done = pm8001_task_done;
1841 
1842 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1843 	if (res) {
1844 		sas_free_task(task);
1845 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate tag !!!\n");
1846 		return;
1847 	}
1848 
1849 	/* allocate domain device by ourselves as libsas
1850 	 * is not going to provide any
1851 	*/
1852 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1853 	if (!dev) {
1854 		sas_free_task(task);
1855 		pm8001_tag_free(pm8001_ha, ccb_tag);
1856 		pm8001_dbg(pm8001_ha, FAIL,
1857 			   "Domain device cannot be allocated\n");
1858 		return;
1859 	}
1860 
1861 	task->dev = dev;
1862 	task->dev->lldd_dev = pm8001_ha_dev;
1863 
1864 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1865 	ccb->device = pm8001_ha_dev;
1866 	ccb->ccb_tag = ccb_tag;
1867 	ccb->task = task;
1868 	ccb->n_elem = 0;
1869 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1870 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1871 
1872 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1873 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1874 
1875 	/* construct read log FIS */
1876 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1877 	fis.fis_type = 0x27;
1878 	fis.flags = 0x80;
1879 	fis.command = ATA_CMD_READ_LOG_EXT;
1880 	fis.lbal = 0x10;
1881 	fis.sector_count = 0x1;
1882 
1883 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1884 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1885 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1886 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1887 
1888 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd,
1889 			sizeof(sata_cmd), 0);
1890 	pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n");
1891 	if (res) {
1892 		sas_free_task(task);
1893 		pm8001_tag_free(pm8001_ha, ccb_tag);
1894 		kfree(dev);
1895 	}
1896 }
1897 
1898 /**
1899  * mpi_ssp_completion - process the event that FW response to the SSP request.
1900  * @pm8001_ha: our hba card information
1901  * @piomb: the message contents of this outbound message.
1902  *
1903  * When FW has completed a ssp request for example a IO request, after it has
1904  * filled the SG data with the data, it will trigger this event representing
1905  * that he has finished the job; please check the corresponding buffer.
1906  * So we will tell the caller who maybe waiting the result to tell upper layer
1907  * that the task has been finished.
1908  */
1909 static void
1910 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1911 {
1912 	struct sas_task *t;
1913 	struct pm8001_ccb_info *ccb;
1914 	unsigned long flags;
1915 	u32 status;
1916 	u32 param;
1917 	u32 tag;
1918 	struct ssp_completion_resp *psspPayload;
1919 	struct task_status_struct *ts;
1920 	struct ssp_response_iu *iu;
1921 	struct pm8001_device *pm8001_dev;
1922 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1923 	status = le32_to_cpu(psspPayload->status);
1924 	tag = le32_to_cpu(psspPayload->tag);
1925 	ccb = &pm8001_ha->ccb_info[tag];
1926 	if ((status == IO_ABORTED) && ccb->open_retry) {
1927 		/* Being completed by another */
1928 		ccb->open_retry = 0;
1929 		return;
1930 	}
1931 	pm8001_dev = ccb->device;
1932 	param = le32_to_cpu(psspPayload->param);
1933 	t = ccb->task;
1934 
1935 	if (status && status != IO_UNDERFLOW)
1936 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1937 	if (unlikely(!t || !t->lldd_task || !t->dev))
1938 		return;
1939 	ts = &t->task_status;
1940 
1941 	pm8001_dbg(pm8001_ha, DEV,
1942 		   "tag::0x%x, status::0x%x task::0x%p\n", tag, status, t);
1943 
1944 	/* Print sas address of IO failed device */
1945 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1946 		(status != IO_UNDERFLOW))
1947 		pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1948 			   SAS_ADDR(t->dev->sas_addr));
1949 
1950 	switch (status) {
1951 	case IO_SUCCESS:
1952 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS ,param = 0x%x\n",
1953 			   param);
1954 		if (param == 0) {
1955 			ts->resp = SAS_TASK_COMPLETE;
1956 			ts->stat = SAS_SAM_STAT_GOOD;
1957 		} else {
1958 			ts->resp = SAS_TASK_COMPLETE;
1959 			ts->stat = SAS_PROTO_RESPONSE;
1960 			ts->residual = param;
1961 			iu = &psspPayload->ssp_resp_iu;
1962 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1963 		}
1964 		if (pm8001_dev)
1965 			atomic_dec(&pm8001_dev->running_req);
1966 		break;
1967 	case IO_ABORTED:
1968 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1969 		ts->resp = SAS_TASK_COMPLETE;
1970 		ts->stat = SAS_ABORTED_TASK;
1971 		if (pm8001_dev)
1972 			atomic_dec(&pm8001_dev->running_req);
1973 		break;
1974 	case IO_UNDERFLOW:
1975 		/* SSP Completion with error */
1976 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW ,param = 0x%x\n",
1977 			   param);
1978 		ts->resp = SAS_TASK_COMPLETE;
1979 		ts->stat = SAS_DATA_UNDERRUN;
1980 		ts->residual = param;
1981 		if (pm8001_dev)
1982 			atomic_dec(&pm8001_dev->running_req);
1983 		break;
1984 	case IO_NO_DEVICE:
1985 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1986 		ts->resp = SAS_TASK_UNDELIVERED;
1987 		ts->stat = SAS_PHY_DOWN;
1988 		if (pm8001_dev)
1989 			atomic_dec(&pm8001_dev->running_req);
1990 		break;
1991 	case IO_XFER_ERROR_BREAK:
1992 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1993 		ts->resp = SAS_TASK_COMPLETE;
1994 		ts->stat = SAS_OPEN_REJECT;
1995 		/* Force the midlayer to retry */
1996 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1997 		if (pm8001_dev)
1998 			atomic_dec(&pm8001_dev->running_req);
1999 		break;
2000 	case IO_XFER_ERROR_PHY_NOT_READY:
2001 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2002 		ts->resp = SAS_TASK_COMPLETE;
2003 		ts->stat = SAS_OPEN_REJECT;
2004 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2005 		if (pm8001_dev)
2006 			atomic_dec(&pm8001_dev->running_req);
2007 		break;
2008 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
2009 		pm8001_dbg(pm8001_ha, IO,
2010 			   "IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n");
2011 		ts->resp = SAS_TASK_COMPLETE;
2012 		ts->stat = SAS_OPEN_REJECT;
2013 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2014 		if (pm8001_dev)
2015 			atomic_dec(&pm8001_dev->running_req);
2016 		break;
2017 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2018 		pm8001_dbg(pm8001_ha, IO,
2019 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2020 		ts->resp = SAS_TASK_COMPLETE;
2021 		ts->stat = SAS_OPEN_REJECT;
2022 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2023 		if (pm8001_dev)
2024 			atomic_dec(&pm8001_dev->running_req);
2025 		break;
2026 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2027 		pm8001_dbg(pm8001_ha, IO,
2028 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2029 		ts->resp = SAS_TASK_COMPLETE;
2030 		ts->stat = SAS_OPEN_REJECT;
2031 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2032 		if (pm8001_dev)
2033 			atomic_dec(&pm8001_dev->running_req);
2034 		break;
2035 	case IO_OPEN_CNX_ERROR_BREAK:
2036 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2037 		ts->resp = SAS_TASK_COMPLETE;
2038 		ts->stat = SAS_OPEN_REJECT;
2039 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2040 		if (pm8001_dev)
2041 			atomic_dec(&pm8001_dev->running_req);
2042 		break;
2043 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2044 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2045 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2046 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2047 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2048 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2049 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2050 		ts->resp = SAS_TASK_COMPLETE;
2051 		ts->stat = SAS_OPEN_REJECT;
2052 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2053 		if (!t->uldd_task)
2054 			pm8001_handle_event(pm8001_ha,
2055 				pm8001_dev,
2056 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2057 		break;
2058 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2059 		pm8001_dbg(pm8001_ha, IO,
2060 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2061 		ts->resp = SAS_TASK_COMPLETE;
2062 		ts->stat = SAS_OPEN_REJECT;
2063 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2064 		if (pm8001_dev)
2065 			atomic_dec(&pm8001_dev->running_req);
2066 		break;
2067 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2068 		pm8001_dbg(pm8001_ha, IO,
2069 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2070 		ts->resp = SAS_TASK_COMPLETE;
2071 		ts->stat = SAS_OPEN_REJECT;
2072 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2073 		if (pm8001_dev)
2074 			atomic_dec(&pm8001_dev->running_req);
2075 		break;
2076 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2077 		pm8001_dbg(pm8001_ha, IO,
2078 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2079 		ts->resp = SAS_TASK_UNDELIVERED;
2080 		ts->stat = SAS_OPEN_REJECT;
2081 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2082 		if (pm8001_dev)
2083 			atomic_dec(&pm8001_dev->running_req);
2084 		break;
2085 	case IO_XFER_ERROR_NAK_RECEIVED:
2086 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2087 		ts->resp = SAS_TASK_COMPLETE;
2088 		ts->stat = SAS_OPEN_REJECT;
2089 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2090 		if (pm8001_dev)
2091 			atomic_dec(&pm8001_dev->running_req);
2092 		break;
2093 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2094 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2095 		ts->resp = SAS_TASK_COMPLETE;
2096 		ts->stat = SAS_NAK_R_ERR;
2097 		if (pm8001_dev)
2098 			atomic_dec(&pm8001_dev->running_req);
2099 		break;
2100 	case IO_XFER_ERROR_DMA:
2101 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2102 		ts->resp = SAS_TASK_COMPLETE;
2103 		ts->stat = SAS_OPEN_REJECT;
2104 		if (pm8001_dev)
2105 			atomic_dec(&pm8001_dev->running_req);
2106 		break;
2107 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2108 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2109 		ts->resp = SAS_TASK_COMPLETE;
2110 		ts->stat = SAS_OPEN_REJECT;
2111 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2112 		if (pm8001_dev)
2113 			atomic_dec(&pm8001_dev->running_req);
2114 		break;
2115 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2116 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2117 		ts->resp = SAS_TASK_COMPLETE;
2118 		ts->stat = SAS_OPEN_REJECT;
2119 		if (pm8001_dev)
2120 			atomic_dec(&pm8001_dev->running_req);
2121 		break;
2122 	case IO_PORT_IN_RESET:
2123 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\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_DS_NON_OPERATIONAL:
2130 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2131 		ts->resp = SAS_TASK_COMPLETE;
2132 		ts->stat = SAS_OPEN_REJECT;
2133 		if (!t->uldd_task)
2134 			pm8001_handle_event(pm8001_ha,
2135 				pm8001_dev,
2136 				IO_DS_NON_OPERATIONAL);
2137 		break;
2138 	case IO_DS_IN_RECOVERY:
2139 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2140 		ts->resp = SAS_TASK_COMPLETE;
2141 		ts->stat = SAS_OPEN_REJECT;
2142 		if (pm8001_dev)
2143 			atomic_dec(&pm8001_dev->running_req);
2144 		break;
2145 	case IO_TM_TAG_NOT_FOUND:
2146 		pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2147 		ts->resp = SAS_TASK_COMPLETE;
2148 		ts->stat = SAS_OPEN_REJECT;
2149 		if (pm8001_dev)
2150 			atomic_dec(&pm8001_dev->running_req);
2151 		break;
2152 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2153 		pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2154 		ts->resp = SAS_TASK_COMPLETE;
2155 		ts->stat = SAS_OPEN_REJECT;
2156 		if (pm8001_dev)
2157 			atomic_dec(&pm8001_dev->running_req);
2158 		break;
2159 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2160 		pm8001_dbg(pm8001_ha, IO,
2161 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2162 		ts->resp = SAS_TASK_COMPLETE;
2163 		ts->stat = SAS_OPEN_REJECT;
2164 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2165 		if (pm8001_dev)
2166 			atomic_dec(&pm8001_dev->running_req);
2167 		break;
2168 	default:
2169 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2170 		/* not allowed case. Therefore, return failed status */
2171 		ts->resp = SAS_TASK_COMPLETE;
2172 		ts->stat = SAS_OPEN_REJECT;
2173 		if (pm8001_dev)
2174 			atomic_dec(&pm8001_dev->running_req);
2175 		break;
2176 	}
2177 	pm8001_dbg(pm8001_ha, IO, "scsi_status = 0x%x\n ",
2178 		   psspPayload->ssp_resp_iu.status);
2179 	spin_lock_irqsave(&t->task_state_lock, flags);
2180 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2181 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2182 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2183 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2184 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2185 		pm8001_dbg(pm8001_ha, FAIL,
2186 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2187 			   t, status, ts->resp, ts->stat);
2188 		if (t->slow_task)
2189 			complete(&t->slow_task->completion);
2190 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2191 	} else {
2192 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2193 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2194 		mb();/* in order to force CPU ordering */
2195 		t->task_done(t);
2196 	}
2197 }
2198 
2199 /*See the comments for mpi_ssp_completion */
2200 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2201 {
2202 	struct sas_task *t;
2203 	unsigned long flags;
2204 	struct task_status_struct *ts;
2205 	struct pm8001_ccb_info *ccb;
2206 	struct pm8001_device *pm8001_dev;
2207 	struct ssp_event_resp *psspPayload =
2208 		(struct ssp_event_resp *)(piomb + 4);
2209 	u32 event = le32_to_cpu(psspPayload->event);
2210 	u32 tag = le32_to_cpu(psspPayload->tag);
2211 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2212 
2213 	ccb = &pm8001_ha->ccb_info[tag];
2214 	t = ccb->task;
2215 	pm8001_dev = ccb->device;
2216 	if (event)
2217 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2218 	if (unlikely(!t || !t->lldd_task || !t->dev))
2219 		return;
2220 	ts = &t->task_status;
2221 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2222 		   port_id, tag, event);
2223 	switch (event) {
2224 	case IO_OVERFLOW:
2225 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2226 		ts->resp = SAS_TASK_COMPLETE;
2227 		ts->stat = SAS_DATA_OVERRUN;
2228 		ts->residual = 0;
2229 		if (pm8001_dev)
2230 			atomic_dec(&pm8001_dev->running_req);
2231 		break;
2232 	case IO_XFER_ERROR_BREAK:
2233 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2234 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2235 		return;
2236 	case IO_XFER_ERROR_PHY_NOT_READY:
2237 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2238 		ts->resp = SAS_TASK_COMPLETE;
2239 		ts->stat = SAS_OPEN_REJECT;
2240 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2241 		break;
2242 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2243 		pm8001_dbg(pm8001_ha, IO,
2244 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2245 		ts->resp = SAS_TASK_COMPLETE;
2246 		ts->stat = SAS_OPEN_REJECT;
2247 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2248 		break;
2249 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2250 		pm8001_dbg(pm8001_ha, IO,
2251 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2252 		ts->resp = SAS_TASK_COMPLETE;
2253 		ts->stat = SAS_OPEN_REJECT;
2254 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2255 		break;
2256 	case IO_OPEN_CNX_ERROR_BREAK:
2257 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2258 		ts->resp = SAS_TASK_COMPLETE;
2259 		ts->stat = SAS_OPEN_REJECT;
2260 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2261 		break;
2262 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2263 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2264 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2265 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2266 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2267 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2268 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2269 		ts->resp = SAS_TASK_COMPLETE;
2270 		ts->stat = SAS_OPEN_REJECT;
2271 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2272 		if (!t->uldd_task)
2273 			pm8001_handle_event(pm8001_ha,
2274 				pm8001_dev,
2275 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2276 		break;
2277 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2278 		pm8001_dbg(pm8001_ha, IO,
2279 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2280 		ts->resp = SAS_TASK_COMPLETE;
2281 		ts->stat = SAS_OPEN_REJECT;
2282 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2283 		break;
2284 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2285 		pm8001_dbg(pm8001_ha, IO,
2286 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2287 		ts->resp = SAS_TASK_COMPLETE;
2288 		ts->stat = SAS_OPEN_REJECT;
2289 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2290 		break;
2291 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2292 		pm8001_dbg(pm8001_ha, IO,
2293 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2294 		ts->resp = SAS_TASK_COMPLETE;
2295 		ts->stat = SAS_OPEN_REJECT;
2296 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2297 		break;
2298 	case IO_XFER_ERROR_NAK_RECEIVED:
2299 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2300 		ts->resp = SAS_TASK_COMPLETE;
2301 		ts->stat = SAS_OPEN_REJECT;
2302 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2303 		break;
2304 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2305 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2306 		ts->resp = SAS_TASK_COMPLETE;
2307 		ts->stat = SAS_NAK_R_ERR;
2308 		break;
2309 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2310 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2311 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2312 		return;
2313 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2314 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2315 		ts->resp = SAS_TASK_COMPLETE;
2316 		ts->stat = SAS_DATA_OVERRUN;
2317 		break;
2318 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2319 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2320 		ts->resp = SAS_TASK_COMPLETE;
2321 		ts->stat = SAS_DATA_OVERRUN;
2322 		break;
2323 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2324 		pm8001_dbg(pm8001_ha, IO,
2325 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2326 		ts->resp = SAS_TASK_COMPLETE;
2327 		ts->stat = SAS_DATA_OVERRUN;
2328 		break;
2329 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2330 		pm8001_dbg(pm8001_ha, IO,
2331 			   "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2332 		ts->resp = SAS_TASK_COMPLETE;
2333 		ts->stat = SAS_DATA_OVERRUN;
2334 		break;
2335 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2336 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2337 		ts->resp = SAS_TASK_COMPLETE;
2338 		ts->stat = SAS_DATA_OVERRUN;
2339 		break;
2340 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2341 		pm8001_dbg(pm8001_ha, IO,
2342 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2343 		ts->resp = SAS_TASK_COMPLETE;
2344 		ts->stat = SAS_DATA_OVERRUN;
2345 		break;
2346 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2347 		pm8001_dbg(pm8001_ha, IOERR,
2348 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2349 		/* TBC: used default set values */
2350 		ts->resp = SAS_TASK_COMPLETE;
2351 		ts->stat = SAS_DATA_OVERRUN;
2352 		break;
2353 	case IO_XFER_CMD_FRAME_ISSUED:
2354 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2355 		return;
2356 	default:
2357 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2358 		/* not allowed case. Therefore, return failed status */
2359 		ts->resp = SAS_TASK_COMPLETE;
2360 		ts->stat = SAS_DATA_OVERRUN;
2361 		break;
2362 	}
2363 	spin_lock_irqsave(&t->task_state_lock, flags);
2364 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2365 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2366 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2367 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2368 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2369 		pm8001_dbg(pm8001_ha, FAIL,
2370 			   "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2371 			   t, event, ts->resp, ts->stat);
2372 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2373 	} else {
2374 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2375 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2376 		mb();/* in order to force CPU ordering */
2377 		t->task_done(t);
2378 	}
2379 }
2380 
2381 /*See the comments for mpi_ssp_completion */
2382 static void
2383 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha,
2384 		struct outbound_queue_table *circularQ, void *piomb)
2385 {
2386 	struct sas_task *t;
2387 	struct pm8001_ccb_info *ccb;
2388 	u32 param;
2389 	u32 status;
2390 	u32 tag;
2391 	int i, j;
2392 	u8 sata_addr_low[4];
2393 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2394 	u8 sata_addr_hi[4];
2395 	struct sata_completion_resp *psataPayload;
2396 	struct task_status_struct *ts;
2397 	struct ata_task_resp *resp ;
2398 	u32 *sata_resp;
2399 	struct pm8001_device *pm8001_dev;
2400 	unsigned long flags;
2401 
2402 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2403 	status = le32_to_cpu(psataPayload->status);
2404 	param = le32_to_cpu(psataPayload->param);
2405 	tag = le32_to_cpu(psataPayload->tag);
2406 
2407 	if (!tag) {
2408 		pm8001_dbg(pm8001_ha, FAIL, "tag null\n");
2409 		return;
2410 	}
2411 
2412 	ccb = &pm8001_ha->ccb_info[tag];
2413 	t = ccb->task;
2414 	pm8001_dev = ccb->device;
2415 
2416 	if (t) {
2417 		if (t->dev && (t->dev->lldd_dev))
2418 			pm8001_dev = t->dev->lldd_dev;
2419 	} else {
2420 		pm8001_dbg(pm8001_ha, FAIL, "task null\n");
2421 		return;
2422 	}
2423 
2424 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2425 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2426 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2427 		return;
2428 	}
2429 
2430 	ts = &t->task_status;
2431 
2432 	if (status != IO_SUCCESS) {
2433 		pm8001_dbg(pm8001_ha, FAIL,
2434 			"IO failed device_id %u status 0x%x tag %d\n",
2435 			pm8001_dev->device_id, status, tag);
2436 	}
2437 
2438 	/* Print sas address of IO failed device */
2439 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2440 		(status != IO_UNDERFLOW)) {
2441 		if (!((t->dev->parent) &&
2442 			(dev_is_expander(t->dev->parent->dev_type)))) {
2443 			for (i = 0, j = 4; i <= 3 && j <= 7; i++, j++)
2444 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2445 			for (i = 0, j = 0; i <= 3 && j <= 3; i++, j++)
2446 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2447 			memcpy(&temp_sata_addr_low, sata_addr_low,
2448 				sizeof(sata_addr_low));
2449 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2450 				sizeof(sata_addr_hi));
2451 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2452 						|((temp_sata_addr_hi << 8) &
2453 						0xff0000) |
2454 						((temp_sata_addr_hi >> 8)
2455 						& 0xff00) |
2456 						((temp_sata_addr_hi << 24) &
2457 						0xff000000));
2458 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2459 						& 0xff) |
2460 						((temp_sata_addr_low << 8)
2461 						& 0xff0000) |
2462 						((temp_sata_addr_low >> 8)
2463 						& 0xff00) |
2464 						((temp_sata_addr_low << 24)
2465 						& 0xff000000)) +
2466 						pm8001_dev->attached_phy +
2467 						0x10);
2468 			pm8001_dbg(pm8001_ha, FAIL,
2469 				   "SAS Address of IO Failure Drive:%08x%08x\n",
2470 				   temp_sata_addr_hi,
2471 				   temp_sata_addr_low);
2472 
2473 		} else {
2474 			pm8001_dbg(pm8001_ha, FAIL,
2475 				   "SAS Address of IO Failure Drive:%016llx\n",
2476 				   SAS_ADDR(t->dev->sas_addr));
2477 		}
2478 	}
2479 	switch (status) {
2480 	case IO_SUCCESS:
2481 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2482 		if (param == 0) {
2483 			ts->resp = SAS_TASK_COMPLETE;
2484 			ts->stat = SAS_SAM_STAT_GOOD;
2485 			/* check if response is for SEND READ LOG */
2486 			if (pm8001_dev &&
2487 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2488 				/* set new bit for abort_all */
2489 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2490 				/* clear bit for read log */
2491 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2492 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2493 				/* Free the tag */
2494 				pm8001_tag_free(pm8001_ha, tag);
2495 				sas_free_task(t);
2496 				return;
2497 			}
2498 		} else {
2499 			u8 len;
2500 			ts->resp = SAS_TASK_COMPLETE;
2501 			ts->stat = SAS_PROTO_RESPONSE;
2502 			ts->residual = param;
2503 			pm8001_dbg(pm8001_ha, IO,
2504 				   "SAS_PROTO_RESPONSE len = %d\n",
2505 				   param);
2506 			sata_resp = &psataPayload->sata_resp[0];
2507 			resp = (struct ata_task_resp *)ts->buf;
2508 			if (t->ata_task.dma_xfer == 0 &&
2509 			    t->data_dir == DMA_FROM_DEVICE) {
2510 				len = sizeof(struct pio_setup_fis);
2511 				pm8001_dbg(pm8001_ha, IO,
2512 					   "PIO read len = %d\n", len);
2513 			} else if (t->ata_task.use_ncq) {
2514 				len = sizeof(struct set_dev_bits_fis);
2515 				pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2516 					   len);
2517 			} else {
2518 				len = sizeof(struct dev_to_host_fis);
2519 				pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2520 					   len);
2521 			}
2522 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2523 				resp->frame_len = len;
2524 				memcpy(&resp->ending_fis[0], sata_resp, len);
2525 				ts->buf_valid_size = sizeof(*resp);
2526 			} else
2527 				pm8001_dbg(pm8001_ha, IO,
2528 					   "response too large\n");
2529 		}
2530 		if (pm8001_dev)
2531 			atomic_dec(&pm8001_dev->running_req);
2532 		break;
2533 	case IO_ABORTED:
2534 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2535 		ts->resp = SAS_TASK_COMPLETE;
2536 		ts->stat = SAS_ABORTED_TASK;
2537 		if (pm8001_dev)
2538 			atomic_dec(&pm8001_dev->running_req);
2539 		break;
2540 		/* following cases are to do cases */
2541 	case IO_UNDERFLOW:
2542 		/* SATA Completion with error */
2543 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2544 		ts->resp = SAS_TASK_COMPLETE;
2545 		ts->stat = SAS_DATA_UNDERRUN;
2546 		ts->residual = param;
2547 		if (pm8001_dev)
2548 			atomic_dec(&pm8001_dev->running_req);
2549 		break;
2550 	case IO_NO_DEVICE:
2551 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2552 		ts->resp = SAS_TASK_UNDELIVERED;
2553 		ts->stat = SAS_PHY_DOWN;
2554 		if (pm8001_dev)
2555 			atomic_dec(&pm8001_dev->running_req);
2556 		break;
2557 	case IO_XFER_ERROR_BREAK:
2558 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2559 		ts->resp = SAS_TASK_COMPLETE;
2560 		ts->stat = SAS_INTERRUPTED;
2561 		if (pm8001_dev)
2562 			atomic_dec(&pm8001_dev->running_req);
2563 		break;
2564 	case IO_XFER_ERROR_PHY_NOT_READY:
2565 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2566 		ts->resp = SAS_TASK_COMPLETE;
2567 		ts->stat = SAS_OPEN_REJECT;
2568 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2569 		if (pm8001_dev)
2570 			atomic_dec(&pm8001_dev->running_req);
2571 		break;
2572 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2573 		pm8001_dbg(pm8001_ha, IO,
2574 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2575 		ts->resp = SAS_TASK_COMPLETE;
2576 		ts->stat = SAS_OPEN_REJECT;
2577 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2578 		if (pm8001_dev)
2579 			atomic_dec(&pm8001_dev->running_req);
2580 		break;
2581 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2582 		pm8001_dbg(pm8001_ha, IO,
2583 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2584 		ts->resp = SAS_TASK_COMPLETE;
2585 		ts->stat = SAS_OPEN_REJECT;
2586 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2587 		if (pm8001_dev)
2588 			atomic_dec(&pm8001_dev->running_req);
2589 		break;
2590 	case IO_OPEN_CNX_ERROR_BREAK:
2591 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2592 		ts->resp = SAS_TASK_COMPLETE;
2593 		ts->stat = SAS_OPEN_REJECT;
2594 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2595 		if (pm8001_dev)
2596 			atomic_dec(&pm8001_dev->running_req);
2597 		break;
2598 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2599 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2600 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2601 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2602 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2603 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2604 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2605 		ts->resp = SAS_TASK_COMPLETE;
2606 		ts->stat = SAS_DEV_NO_RESPONSE;
2607 		if (!t->uldd_task) {
2608 			pm8001_handle_event(pm8001_ha,
2609 				pm8001_dev,
2610 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2611 			ts->resp = SAS_TASK_UNDELIVERED;
2612 			ts->stat = SAS_QUEUE_FULL;
2613 			spin_unlock_irqrestore(&circularQ->oq_lock,
2614 					circularQ->lock_flags);
2615 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2616 			spin_lock_irqsave(&circularQ->oq_lock,
2617 					circularQ->lock_flags);
2618 			return;
2619 		}
2620 		break;
2621 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2622 		pm8001_dbg(pm8001_ha, IO,
2623 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2624 		ts->resp = SAS_TASK_UNDELIVERED;
2625 		ts->stat = SAS_OPEN_REJECT;
2626 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2627 		if (!t->uldd_task) {
2628 			pm8001_handle_event(pm8001_ha,
2629 				pm8001_dev,
2630 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2631 			ts->resp = SAS_TASK_UNDELIVERED;
2632 			ts->stat = SAS_QUEUE_FULL;
2633 			spin_unlock_irqrestore(&circularQ->oq_lock,
2634 					circularQ->lock_flags);
2635 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2636 			spin_lock_irqsave(&circularQ->oq_lock,
2637 					circularQ->lock_flags);
2638 			return;
2639 		}
2640 		break;
2641 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2642 		pm8001_dbg(pm8001_ha, IO,
2643 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2644 		ts->resp = SAS_TASK_COMPLETE;
2645 		ts->stat = SAS_OPEN_REJECT;
2646 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2647 		if (pm8001_dev)
2648 			atomic_dec(&pm8001_dev->running_req);
2649 		break;
2650 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2651 		pm8001_dbg(pm8001_ha, IO,
2652 			   "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2653 		ts->resp = SAS_TASK_COMPLETE;
2654 		ts->stat = SAS_DEV_NO_RESPONSE;
2655 		if (!t->uldd_task) {
2656 			pm8001_handle_event(pm8001_ha,
2657 				pm8001_dev,
2658 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2659 			ts->resp = SAS_TASK_UNDELIVERED;
2660 			ts->stat = SAS_QUEUE_FULL;
2661 			spin_unlock_irqrestore(&circularQ->oq_lock,
2662 					circularQ->lock_flags);
2663 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2664 			spin_lock_irqsave(&circularQ->oq_lock,
2665 					circularQ->lock_flags);
2666 			return;
2667 		}
2668 		break;
2669 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2670 		pm8001_dbg(pm8001_ha, IO,
2671 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2672 		ts->resp = SAS_TASK_COMPLETE;
2673 		ts->stat = SAS_OPEN_REJECT;
2674 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2675 		if (pm8001_dev)
2676 			atomic_dec(&pm8001_dev->running_req);
2677 		break;
2678 	case IO_XFER_ERROR_NAK_RECEIVED:
2679 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2680 		ts->resp = SAS_TASK_COMPLETE;
2681 		ts->stat = SAS_NAK_R_ERR;
2682 		if (pm8001_dev)
2683 			atomic_dec(&pm8001_dev->running_req);
2684 		break;
2685 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2686 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2687 		ts->resp = SAS_TASK_COMPLETE;
2688 		ts->stat = SAS_NAK_R_ERR;
2689 		if (pm8001_dev)
2690 			atomic_dec(&pm8001_dev->running_req);
2691 		break;
2692 	case IO_XFER_ERROR_DMA:
2693 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2694 		ts->resp = SAS_TASK_COMPLETE;
2695 		ts->stat = SAS_ABORTED_TASK;
2696 		if (pm8001_dev)
2697 			atomic_dec(&pm8001_dev->running_req);
2698 		break;
2699 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2700 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2701 		ts->resp = SAS_TASK_UNDELIVERED;
2702 		ts->stat = SAS_DEV_NO_RESPONSE;
2703 		if (pm8001_dev)
2704 			atomic_dec(&pm8001_dev->running_req);
2705 		break;
2706 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2707 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2708 		ts->resp = SAS_TASK_COMPLETE;
2709 		ts->stat = SAS_DATA_UNDERRUN;
2710 		if (pm8001_dev)
2711 			atomic_dec(&pm8001_dev->running_req);
2712 		break;
2713 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2714 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2715 		ts->resp = SAS_TASK_COMPLETE;
2716 		ts->stat = SAS_OPEN_TO;
2717 		if (pm8001_dev)
2718 			atomic_dec(&pm8001_dev->running_req);
2719 		break;
2720 	case IO_PORT_IN_RESET:
2721 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2722 		ts->resp = SAS_TASK_COMPLETE;
2723 		ts->stat = SAS_DEV_NO_RESPONSE;
2724 		if (pm8001_dev)
2725 			atomic_dec(&pm8001_dev->running_req);
2726 		break;
2727 	case IO_DS_NON_OPERATIONAL:
2728 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2729 		ts->resp = SAS_TASK_COMPLETE;
2730 		ts->stat = SAS_DEV_NO_RESPONSE;
2731 		if (!t->uldd_task) {
2732 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2733 					IO_DS_NON_OPERATIONAL);
2734 			ts->resp = SAS_TASK_UNDELIVERED;
2735 			ts->stat = SAS_QUEUE_FULL;
2736 			spin_unlock_irqrestore(&circularQ->oq_lock,
2737 					circularQ->lock_flags);
2738 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2739 			spin_lock_irqsave(&circularQ->oq_lock,
2740 					circularQ->lock_flags);
2741 			return;
2742 		}
2743 		break;
2744 	case IO_DS_IN_RECOVERY:
2745 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2746 		ts->resp = SAS_TASK_COMPLETE;
2747 		ts->stat = SAS_DEV_NO_RESPONSE;
2748 		if (pm8001_dev)
2749 			atomic_dec(&pm8001_dev->running_req);
2750 		break;
2751 	case IO_DS_IN_ERROR:
2752 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2753 		ts->resp = SAS_TASK_COMPLETE;
2754 		ts->stat = SAS_DEV_NO_RESPONSE;
2755 		if (!t->uldd_task) {
2756 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2757 					IO_DS_IN_ERROR);
2758 			ts->resp = SAS_TASK_UNDELIVERED;
2759 			ts->stat = SAS_QUEUE_FULL;
2760 			spin_unlock_irqrestore(&circularQ->oq_lock,
2761 					circularQ->lock_flags);
2762 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2763 			spin_lock_irqsave(&circularQ->oq_lock,
2764 					circularQ->lock_flags);
2765 			return;
2766 		}
2767 		break;
2768 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2769 		pm8001_dbg(pm8001_ha, IO,
2770 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2771 		ts->resp = SAS_TASK_COMPLETE;
2772 		ts->stat = SAS_OPEN_REJECT;
2773 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2774 		if (pm8001_dev)
2775 			atomic_dec(&pm8001_dev->running_req);
2776 		break;
2777 	default:
2778 		pm8001_dbg(pm8001_ha, DEVIO,
2779 				"Unknown status device_id %u status 0x%x tag %d\n",
2780 			pm8001_dev->device_id, status, tag);
2781 		/* not allowed case. Therefore, return failed status */
2782 		ts->resp = SAS_TASK_COMPLETE;
2783 		ts->stat = SAS_DEV_NO_RESPONSE;
2784 		if (pm8001_dev)
2785 			atomic_dec(&pm8001_dev->running_req);
2786 		break;
2787 	}
2788 	spin_lock_irqsave(&t->task_state_lock, flags);
2789 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2790 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2791 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2792 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2793 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2794 		pm8001_dbg(pm8001_ha, FAIL,
2795 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2796 			   t, status, ts->resp, ts->stat);
2797 		if (t->slow_task)
2798 			complete(&t->slow_task->completion);
2799 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2800 	} else {
2801 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2802 		spin_unlock_irqrestore(&circularQ->oq_lock,
2803 				circularQ->lock_flags);
2804 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2805 		spin_lock_irqsave(&circularQ->oq_lock,
2806 				circularQ->lock_flags);
2807 	}
2808 }
2809 
2810 /*See the comments for mpi_ssp_completion */
2811 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha,
2812 		struct outbound_queue_table *circularQ, void *piomb)
2813 {
2814 	struct sas_task *t;
2815 	struct task_status_struct *ts;
2816 	struct pm8001_ccb_info *ccb;
2817 	struct pm8001_device *pm8001_dev;
2818 	struct sata_event_resp *psataPayload =
2819 		(struct sata_event_resp *)(piomb + 4);
2820 	u32 event = le32_to_cpu(psataPayload->event);
2821 	u32 tag = le32_to_cpu(psataPayload->tag);
2822 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2823 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2824 	unsigned long flags;
2825 
2826 	if (event)
2827 		pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2828 
2829 	/* Check if this is NCQ error */
2830 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2831 		/* find device using device id */
2832 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2833 		/* send read log extension */
2834 		if (pm8001_dev)
2835 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2836 		return;
2837 	}
2838 
2839 	ccb = &pm8001_ha->ccb_info[tag];
2840 	t = ccb->task;
2841 	pm8001_dev = ccb->device;
2842 
2843 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2844 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2845 		return;
2846 	}
2847 
2848 	ts = &t->task_status;
2849 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2850 		   port_id, tag, event);
2851 	switch (event) {
2852 	case IO_OVERFLOW:
2853 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2854 		ts->resp = SAS_TASK_COMPLETE;
2855 		ts->stat = SAS_DATA_OVERRUN;
2856 		ts->residual = 0;
2857 		if (pm8001_dev)
2858 			atomic_dec(&pm8001_dev->running_req);
2859 		break;
2860 	case IO_XFER_ERROR_BREAK:
2861 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2862 		ts->resp = SAS_TASK_COMPLETE;
2863 		ts->stat = SAS_INTERRUPTED;
2864 		break;
2865 	case IO_XFER_ERROR_PHY_NOT_READY:
2866 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2867 		ts->resp = SAS_TASK_COMPLETE;
2868 		ts->stat = SAS_OPEN_REJECT;
2869 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2870 		break;
2871 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2872 		pm8001_dbg(pm8001_ha, IO,
2873 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2874 		ts->resp = SAS_TASK_COMPLETE;
2875 		ts->stat = SAS_OPEN_REJECT;
2876 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2877 		break;
2878 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2879 		pm8001_dbg(pm8001_ha, IO,
2880 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2881 		ts->resp = SAS_TASK_COMPLETE;
2882 		ts->stat = SAS_OPEN_REJECT;
2883 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2884 		break;
2885 	case IO_OPEN_CNX_ERROR_BREAK:
2886 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2887 		ts->resp = SAS_TASK_COMPLETE;
2888 		ts->stat = SAS_OPEN_REJECT;
2889 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2890 		break;
2891 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2892 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2893 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2894 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2895 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2896 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2897 		pm8001_dbg(pm8001_ha, FAIL,
2898 			   "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2899 		ts->resp = SAS_TASK_UNDELIVERED;
2900 		ts->stat = SAS_DEV_NO_RESPONSE;
2901 		if (!t->uldd_task) {
2902 			pm8001_handle_event(pm8001_ha,
2903 				pm8001_dev,
2904 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2905 			ts->resp = SAS_TASK_COMPLETE;
2906 			ts->stat = SAS_QUEUE_FULL;
2907 			spin_unlock_irqrestore(&circularQ->oq_lock,
2908 					circularQ->lock_flags);
2909 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2910 			spin_lock_irqsave(&circularQ->oq_lock,
2911 					circularQ->lock_flags);
2912 			return;
2913 		}
2914 		break;
2915 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2916 		pm8001_dbg(pm8001_ha, IO,
2917 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2918 		ts->resp = SAS_TASK_UNDELIVERED;
2919 		ts->stat = SAS_OPEN_REJECT;
2920 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2921 		break;
2922 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2923 		pm8001_dbg(pm8001_ha, IO,
2924 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2925 		ts->resp = SAS_TASK_COMPLETE;
2926 		ts->stat = SAS_OPEN_REJECT;
2927 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2928 		break;
2929 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2930 		pm8001_dbg(pm8001_ha, IO,
2931 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2932 		ts->resp = SAS_TASK_COMPLETE;
2933 		ts->stat = SAS_OPEN_REJECT;
2934 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2935 		break;
2936 	case IO_XFER_ERROR_NAK_RECEIVED:
2937 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2938 		ts->resp = SAS_TASK_COMPLETE;
2939 		ts->stat = SAS_NAK_R_ERR;
2940 		break;
2941 	case IO_XFER_ERROR_PEER_ABORTED:
2942 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2943 		ts->resp = SAS_TASK_COMPLETE;
2944 		ts->stat = SAS_NAK_R_ERR;
2945 		break;
2946 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2947 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2948 		ts->resp = SAS_TASK_COMPLETE;
2949 		ts->stat = SAS_DATA_UNDERRUN;
2950 		break;
2951 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2952 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2953 		ts->resp = SAS_TASK_COMPLETE;
2954 		ts->stat = SAS_OPEN_TO;
2955 		break;
2956 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2957 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2958 		ts->resp = SAS_TASK_COMPLETE;
2959 		ts->stat = SAS_OPEN_TO;
2960 		break;
2961 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2962 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2963 		ts->resp = SAS_TASK_COMPLETE;
2964 		ts->stat = SAS_OPEN_TO;
2965 		break;
2966 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2967 		pm8001_dbg(pm8001_ha, IO,
2968 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2969 		ts->resp = SAS_TASK_COMPLETE;
2970 		ts->stat = SAS_OPEN_TO;
2971 		break;
2972 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2973 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2974 		ts->resp = SAS_TASK_COMPLETE;
2975 		ts->stat = SAS_OPEN_TO;
2976 		break;
2977 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2978 		pm8001_dbg(pm8001_ha, IO,
2979 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2980 		ts->resp = SAS_TASK_COMPLETE;
2981 		ts->stat = SAS_OPEN_TO;
2982 		break;
2983 	case IO_XFER_CMD_FRAME_ISSUED:
2984 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2985 		break;
2986 	case IO_XFER_PIO_SETUP_ERROR:
2987 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2988 		ts->resp = SAS_TASK_COMPLETE;
2989 		ts->stat = SAS_OPEN_TO;
2990 		break;
2991 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2992 		pm8001_dbg(pm8001_ha, FAIL,
2993 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2994 		/* TBC: used default set values */
2995 		ts->resp = SAS_TASK_COMPLETE;
2996 		ts->stat = SAS_OPEN_TO;
2997 		break;
2998 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2999 		pm8001_dbg(pm8001_ha, FAIL, "IO_XFR_DMA_ACTIVATE_TIMEOUT\n");
3000 		/* TBC: used default set values */
3001 		ts->resp = SAS_TASK_COMPLETE;
3002 		ts->stat = SAS_OPEN_TO;
3003 		break;
3004 	default:
3005 		pm8001_dbg(pm8001_ha, IO, "Unknown status 0x%x\n", event);
3006 		/* not allowed case. Therefore, return failed status */
3007 		ts->resp = SAS_TASK_COMPLETE;
3008 		ts->stat = SAS_OPEN_TO;
3009 		break;
3010 	}
3011 	spin_lock_irqsave(&t->task_state_lock, flags);
3012 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3013 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3014 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3015 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3016 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3017 		pm8001_dbg(pm8001_ha, FAIL,
3018 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
3019 			   t, event, ts->resp, ts->stat);
3020 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3021 	} else {
3022 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3023 		spin_unlock_irqrestore(&circularQ->oq_lock,
3024 				circularQ->lock_flags);
3025 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
3026 		spin_lock_irqsave(&circularQ->oq_lock,
3027 				circularQ->lock_flags);
3028 	}
3029 }
3030 
3031 /*See the comments for mpi_ssp_completion */
3032 static void
3033 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
3034 {
3035 	u32 param, i;
3036 	struct sas_task *t;
3037 	struct pm8001_ccb_info *ccb;
3038 	unsigned long flags;
3039 	u32 status;
3040 	u32 tag;
3041 	struct smp_completion_resp *psmpPayload;
3042 	struct task_status_struct *ts;
3043 	struct pm8001_device *pm8001_dev;
3044 
3045 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
3046 	status = le32_to_cpu(psmpPayload->status);
3047 	tag = le32_to_cpu(psmpPayload->tag);
3048 
3049 	ccb = &pm8001_ha->ccb_info[tag];
3050 	param = le32_to_cpu(psmpPayload->param);
3051 	t = ccb->task;
3052 	ts = &t->task_status;
3053 	pm8001_dev = ccb->device;
3054 	if (status)
3055 		pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
3056 	if (unlikely(!t || !t->lldd_task || !t->dev))
3057 		return;
3058 
3059 	pm8001_dbg(pm8001_ha, DEV, "tag::0x%x status::0x%x\n", tag, status);
3060 
3061 	switch (status) {
3062 
3063 	case IO_SUCCESS:
3064 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
3065 		ts->resp = SAS_TASK_COMPLETE;
3066 		ts->stat = SAS_SAM_STAT_GOOD;
3067 		if (pm8001_dev)
3068 			atomic_dec(&pm8001_dev->running_req);
3069 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3070 			struct scatterlist *sg_resp = &t->smp_task.smp_resp;
3071 			u8 *payload;
3072 			void *to;
3073 
3074 			pm8001_dbg(pm8001_ha, IO,
3075 				   "DIRECT RESPONSE Length:%d\n",
3076 				   param);
3077 			to = kmap_atomic(sg_page(sg_resp));
3078 			payload = to + sg_resp->offset;
3079 			for (i = 0; i < param; i++) {
3080 				*(payload + i) = psmpPayload->_r_a[i];
3081 				pm8001_dbg(pm8001_ha, IO,
3082 					   "SMP Byte%d DMA data 0x%x psmp 0x%x\n",
3083 					   i, *(payload + i),
3084 					   psmpPayload->_r_a[i]);
3085 			}
3086 			kunmap_atomic(to);
3087 		}
3088 		break;
3089 	case IO_ABORTED:
3090 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
3091 		ts->resp = SAS_TASK_COMPLETE;
3092 		ts->stat = SAS_ABORTED_TASK;
3093 		if (pm8001_dev)
3094 			atomic_dec(&pm8001_dev->running_req);
3095 		break;
3096 	case IO_OVERFLOW:
3097 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
3098 		ts->resp = SAS_TASK_COMPLETE;
3099 		ts->stat = SAS_DATA_OVERRUN;
3100 		ts->residual = 0;
3101 		if (pm8001_dev)
3102 			atomic_dec(&pm8001_dev->running_req);
3103 		break;
3104 	case IO_NO_DEVICE:
3105 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
3106 		ts->resp = SAS_TASK_COMPLETE;
3107 		ts->stat = SAS_PHY_DOWN;
3108 		break;
3109 	case IO_ERROR_HW_TIMEOUT:
3110 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
3111 		ts->resp = SAS_TASK_COMPLETE;
3112 		ts->stat = SAS_SAM_STAT_BUSY;
3113 		break;
3114 	case IO_XFER_ERROR_BREAK:
3115 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
3116 		ts->resp = SAS_TASK_COMPLETE;
3117 		ts->stat = SAS_SAM_STAT_BUSY;
3118 		break;
3119 	case IO_XFER_ERROR_PHY_NOT_READY:
3120 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
3121 		ts->resp = SAS_TASK_COMPLETE;
3122 		ts->stat = SAS_SAM_STAT_BUSY;
3123 		break;
3124 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
3125 		pm8001_dbg(pm8001_ha, IO,
3126 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
3127 		ts->resp = SAS_TASK_COMPLETE;
3128 		ts->stat = SAS_OPEN_REJECT;
3129 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3130 		break;
3131 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
3132 		pm8001_dbg(pm8001_ha, IO,
3133 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
3134 		ts->resp = SAS_TASK_COMPLETE;
3135 		ts->stat = SAS_OPEN_REJECT;
3136 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3137 		break;
3138 	case IO_OPEN_CNX_ERROR_BREAK:
3139 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
3140 		ts->resp = SAS_TASK_COMPLETE;
3141 		ts->stat = SAS_OPEN_REJECT;
3142 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
3143 		break;
3144 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
3145 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
3146 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
3147 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
3148 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
3149 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
3150 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
3151 		ts->resp = SAS_TASK_COMPLETE;
3152 		ts->stat = SAS_OPEN_REJECT;
3153 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3154 		pm8001_handle_event(pm8001_ha,
3155 				pm8001_dev,
3156 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3157 		break;
3158 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3159 		pm8001_dbg(pm8001_ha, IO,
3160 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
3161 		ts->resp = SAS_TASK_COMPLETE;
3162 		ts->stat = SAS_OPEN_REJECT;
3163 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3164 		break;
3165 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3166 		pm8001_dbg(pm8001_ha, IO,
3167 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
3168 		ts->resp = SAS_TASK_COMPLETE;
3169 		ts->stat = SAS_OPEN_REJECT;
3170 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3171 		break;
3172 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3173 		pm8001_dbg(pm8001_ha, IO,
3174 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
3175 		ts->resp = SAS_TASK_COMPLETE;
3176 		ts->stat = SAS_OPEN_REJECT;
3177 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3178 		break;
3179 	case IO_XFER_ERROR_RX_FRAME:
3180 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
3181 		ts->resp = SAS_TASK_COMPLETE;
3182 		ts->stat = SAS_DEV_NO_RESPONSE;
3183 		break;
3184 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3185 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
3186 		ts->resp = SAS_TASK_COMPLETE;
3187 		ts->stat = SAS_OPEN_REJECT;
3188 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3189 		break;
3190 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3191 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
3192 		ts->resp = SAS_TASK_COMPLETE;
3193 		ts->stat = SAS_QUEUE_FULL;
3194 		break;
3195 	case IO_PORT_IN_RESET:
3196 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
3197 		ts->resp = SAS_TASK_COMPLETE;
3198 		ts->stat = SAS_OPEN_REJECT;
3199 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3200 		break;
3201 	case IO_DS_NON_OPERATIONAL:
3202 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
3203 		ts->resp = SAS_TASK_COMPLETE;
3204 		ts->stat = SAS_DEV_NO_RESPONSE;
3205 		break;
3206 	case IO_DS_IN_RECOVERY:
3207 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
3208 		ts->resp = SAS_TASK_COMPLETE;
3209 		ts->stat = SAS_OPEN_REJECT;
3210 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3211 		break;
3212 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3213 		pm8001_dbg(pm8001_ha, IO,
3214 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
3215 		ts->resp = SAS_TASK_COMPLETE;
3216 		ts->stat = SAS_OPEN_REJECT;
3217 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3218 		break;
3219 	default:
3220 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
3221 		ts->resp = SAS_TASK_COMPLETE;
3222 		ts->stat = SAS_DEV_NO_RESPONSE;
3223 		/* not allowed case. Therefore, return failed status */
3224 		break;
3225 	}
3226 	spin_lock_irqsave(&t->task_state_lock, flags);
3227 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3228 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3229 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3230 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3231 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3232 		pm8001_dbg(pm8001_ha, FAIL,
3233 			   "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n",
3234 			   t, status, ts->resp, ts->stat);
3235 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3236 	} else {
3237 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3238 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3239 		mb();/* in order to force CPU ordering */
3240 		t->task_done(t);
3241 	}
3242 }
3243 
3244 /**
3245  * pm80xx_hw_event_ack_req- For PM8001, some events need to acknowledge to FW.
3246  * @pm8001_ha: our hba card information
3247  * @Qnum: the outbound queue message number.
3248  * @SEA: source of event to ack
3249  * @port_id: port id.
3250  * @phyId: phy id.
3251  * @param0: parameter 0.
3252  * @param1: parameter 1.
3253  */
3254 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3255 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3256 {
3257 	struct hw_event_ack_req	 payload;
3258 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3259 
3260 	struct inbound_queue_table *circularQ;
3261 
3262 	memset((u8 *)&payload, 0, sizeof(payload));
3263 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3264 	payload.tag = cpu_to_le32(1);
3265 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3266 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
3267 	payload.param0 = cpu_to_le32(param0);
3268 	payload.param1 = cpu_to_le32(param1);
3269 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
3270 			sizeof(payload), 0);
3271 }
3272 
3273 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3274 	u32 phyId, u32 phy_op);
3275 
3276 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
3277 					void *piomb)
3278 {
3279 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
3280 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3281 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3282 	u32 lr_status_evt_portid =
3283 		le32_to_cpu(pPayload->lr_status_evt_portid);
3284 	u8 deviceType = pPayload->sas_identify.dev_type;
3285 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3286 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3287 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3288 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3289 
3290 	if (deviceType == SAS_END_DEVICE) {
3291 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3292 					PHY_NOTIFY_ENABLE_SPINUP);
3293 	}
3294 
3295 	port->wide_port_phymap |= (1U << phy_id);
3296 	pm8001_get_lrate_mode(phy, link_rate);
3297 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3298 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3299 	phy->phy_attached = 1;
3300 }
3301 
3302 /**
3303  * hw_event_sas_phy_up - FW tells me a SAS phy up event.
3304  * @pm8001_ha: our hba card information
3305  * @piomb: IO message buffer
3306  */
3307 static void
3308 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3309 {
3310 	struct hw_event_resp *pPayload =
3311 		(struct hw_event_resp *)(piomb + 4);
3312 	u32 lr_status_evt_portid =
3313 		le32_to_cpu(pPayload->lr_status_evt_portid);
3314 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3315 
3316 	u8 link_rate =
3317 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3318 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3319 	u8 phy_id =
3320 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3321 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3322 
3323 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3324 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3325 	unsigned long flags;
3326 	u8 deviceType = pPayload->sas_identify.dev_type;
3327 	phy->port = port;
3328 	port->port_id = port_id;
3329 	port->port_state = portstate;
3330 	port->wide_port_phymap |= (1U << phy_id);
3331 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3332 	pm8001_dbg(pm8001_ha, MSG,
3333 		   "portid:%d; phyid:%d; linkrate:%d; portstate:%x; devicetype:%x\n",
3334 		   port_id, phy_id, link_rate, portstate, deviceType);
3335 
3336 	switch (deviceType) {
3337 	case SAS_PHY_UNUSED:
3338 		pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3339 		break;
3340 	case SAS_END_DEVICE:
3341 		pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3342 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3343 			PHY_NOTIFY_ENABLE_SPINUP);
3344 		port->port_attached = 1;
3345 		pm8001_get_lrate_mode(phy, link_rate);
3346 		break;
3347 	case SAS_EDGE_EXPANDER_DEVICE:
3348 		pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3349 		port->port_attached = 1;
3350 		pm8001_get_lrate_mode(phy, link_rate);
3351 		break;
3352 	case SAS_FANOUT_EXPANDER_DEVICE:
3353 		pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3354 		port->port_attached = 1;
3355 		pm8001_get_lrate_mode(phy, link_rate);
3356 		break;
3357 	default:
3358 		pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3359 			   deviceType);
3360 		break;
3361 	}
3362 	phy->phy_type |= PORT_TYPE_SAS;
3363 	phy->identify.device_type = deviceType;
3364 	phy->phy_attached = 1;
3365 	if (phy->identify.device_type == SAS_END_DEVICE)
3366 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3367 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3368 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3369 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3370 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3371 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3372 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3373 		sizeof(struct sas_identify_frame)-4);
3374 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3375 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3376 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3377 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3378 		mdelay(200); /* delay a moment to wait for disk to spin up */
3379 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3380 }
3381 
3382 /**
3383  * hw_event_sata_phy_up - FW tells me a SATA phy up event.
3384  * @pm8001_ha: our hba card information
3385  * @piomb: IO message buffer
3386  */
3387 static void
3388 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3389 {
3390 	struct hw_event_resp *pPayload =
3391 		(struct hw_event_resp *)(piomb + 4);
3392 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3393 	u32 lr_status_evt_portid =
3394 		le32_to_cpu(pPayload->lr_status_evt_portid);
3395 	u8 link_rate =
3396 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3397 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3398 	u8 phy_id =
3399 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3400 
3401 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3402 
3403 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3404 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3405 	unsigned long flags;
3406 	pm8001_dbg(pm8001_ha, DEVIO,
3407 		   "port id %d, phy id %d link_rate %d portstate 0x%x\n",
3408 		   port_id, phy_id, link_rate, portstate);
3409 
3410 	phy->port = port;
3411 	port->port_id = port_id;
3412 	port->port_state = portstate;
3413 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3414 	port->port_attached = 1;
3415 	pm8001_get_lrate_mode(phy, link_rate);
3416 	phy->phy_type |= PORT_TYPE_SATA;
3417 	phy->phy_attached = 1;
3418 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3419 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3420 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3421 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3422 		sizeof(struct dev_to_host_fis));
3423 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3424 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3425 	phy->identify.device_type = SAS_SATA_DEV;
3426 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3427 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3428 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3429 }
3430 
3431 /**
3432  * hw_event_phy_down - we should notify the libsas the phy is down.
3433  * @pm8001_ha: our hba card information
3434  * @piomb: IO message buffer
3435  */
3436 static void
3437 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3438 {
3439 	struct hw_event_resp *pPayload =
3440 		(struct hw_event_resp *)(piomb + 4);
3441 
3442 	u32 lr_status_evt_portid =
3443 		le32_to_cpu(pPayload->lr_status_evt_portid);
3444 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3445 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3446 	u8 phy_id =
3447 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3448 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3449 
3450 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3451 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3452 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3453 	port->port_state = portstate;
3454 	phy->identify.device_type = 0;
3455 	phy->phy_attached = 0;
3456 	switch (portstate) {
3457 	case PORT_VALID:
3458 		break;
3459 	case PORT_INVALID:
3460 		pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3461 			   port_id);
3462 		pm8001_dbg(pm8001_ha, MSG,
3463 			   " Last phy Down and port invalid\n");
3464 		if (port_sata) {
3465 			phy->phy_type = 0;
3466 			port->port_attached = 0;
3467 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3468 					port_id, phy_id, 0, 0);
3469 		}
3470 		sas_phy_disconnected(&phy->sas_phy);
3471 		break;
3472 	case PORT_IN_RESET:
3473 		pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3474 			   port_id);
3475 		break;
3476 	case PORT_NOT_ESTABLISHED:
3477 		pm8001_dbg(pm8001_ha, MSG,
3478 			   " Phy Down and PORT_NOT_ESTABLISHED\n");
3479 		port->port_attached = 0;
3480 		break;
3481 	case PORT_LOSTCOMM:
3482 		pm8001_dbg(pm8001_ha, MSG, " Phy Down and PORT_LOSTCOMM\n");
3483 		pm8001_dbg(pm8001_ha, MSG,
3484 			   " Last phy Down and port invalid\n");
3485 		if (port_sata) {
3486 			port->port_attached = 0;
3487 			phy->phy_type = 0;
3488 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3489 					port_id, phy_id, 0, 0);
3490 		}
3491 		sas_phy_disconnected(&phy->sas_phy);
3492 		break;
3493 	default:
3494 		port->port_attached = 0;
3495 		pm8001_dbg(pm8001_ha, DEVIO,
3496 			   " Phy Down and(default) = 0x%x\n",
3497 			   portstate);
3498 		break;
3499 
3500 	}
3501 	if (port_sata && (portstate != PORT_IN_RESET))
3502 		sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3503 				GFP_ATOMIC);
3504 }
3505 
3506 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3507 {
3508 	struct phy_start_resp *pPayload =
3509 		(struct phy_start_resp *)(piomb + 4);
3510 	u32 status =
3511 		le32_to_cpu(pPayload->status);
3512 	u32 phy_id =
3513 		le32_to_cpu(pPayload->phyid) & 0xFF;
3514 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3515 
3516 	pm8001_dbg(pm8001_ha, INIT,
3517 		   "phy start resp status:0x%x, phyid:0x%x\n",
3518 		   status, phy_id);
3519 	if (status == 0)
3520 		phy->phy_state = PHY_LINK_DOWN;
3521 
3522 	if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3523 			phy->enable_completion != NULL) {
3524 		complete(phy->enable_completion);
3525 		phy->enable_completion = NULL;
3526 	}
3527 	return 0;
3528 
3529 }
3530 
3531 /**
3532  * mpi_thermal_hw_event - a thermal hw event has come.
3533  * @pm8001_ha: our hba card information
3534  * @piomb: IO message buffer
3535  */
3536 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3537 {
3538 	struct thermal_hw_event *pPayload =
3539 		(struct thermal_hw_event *)(piomb + 4);
3540 
3541 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3542 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3543 
3544 	if (thermal_event & 0x40) {
3545 		pm8001_dbg(pm8001_ha, IO,
3546 			   "Thermal Event: Local high temperature violated!\n");
3547 		pm8001_dbg(pm8001_ha, IO,
3548 			   "Thermal Event: Measured local high temperature %d\n",
3549 			   ((rht_lht & 0xFF00) >> 8));
3550 	}
3551 	if (thermal_event & 0x10) {
3552 		pm8001_dbg(pm8001_ha, IO,
3553 			   "Thermal Event: Remote high temperature violated!\n");
3554 		pm8001_dbg(pm8001_ha, IO,
3555 			   "Thermal Event: Measured remote high temperature %d\n",
3556 			   ((rht_lht & 0xFF000000) >> 24));
3557 	}
3558 	return 0;
3559 }
3560 
3561 /**
3562  * mpi_hw_event - The hw event has come.
3563  * @pm8001_ha: our hba card information
3564  * @piomb: IO message buffer
3565  */
3566 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3567 {
3568 	unsigned long flags, i;
3569 	struct hw_event_resp *pPayload =
3570 		(struct hw_event_resp *)(piomb + 4);
3571 	u32 lr_status_evt_portid =
3572 		le32_to_cpu(pPayload->lr_status_evt_portid);
3573 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3574 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3575 	u8 phy_id =
3576 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3577 	u16 eventType =
3578 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3579 	u8 status =
3580 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3581 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3582 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3583 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3584 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3585 	pm8001_dbg(pm8001_ha, DEV,
3586 		   "portid:%d phyid:%d event:0x%x status:0x%x\n",
3587 		   port_id, phy_id, eventType, status);
3588 
3589 	switch (eventType) {
3590 
3591 	case HW_EVENT_SAS_PHY_UP:
3592 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3593 		hw_event_sas_phy_up(pm8001_ha, piomb);
3594 		break;
3595 	case HW_EVENT_SATA_PHY_UP:
3596 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3597 		hw_event_sata_phy_up(pm8001_ha, piomb);
3598 		break;
3599 	case HW_EVENT_SATA_SPINUP_HOLD:
3600 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3601 		sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3602 			GFP_ATOMIC);
3603 		break;
3604 	case HW_EVENT_PHY_DOWN:
3605 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3606 		hw_event_phy_down(pm8001_ha, piomb);
3607 		if (pm8001_ha->reset_in_progress) {
3608 			pm8001_dbg(pm8001_ha, MSG, "Reset in progress\n");
3609 			return 0;
3610 		}
3611 		phy->phy_attached = 0;
3612 		phy->phy_state = PHY_LINK_DISABLE;
3613 		break;
3614 	case HW_EVENT_PORT_INVALID:
3615 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3616 		sas_phy_disconnected(sas_phy);
3617 		phy->phy_attached = 0;
3618 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3619 			GFP_ATOMIC);
3620 		break;
3621 	/* the broadcast change primitive received, tell the LIBSAS this event
3622 	to revalidate the sas domain*/
3623 	case HW_EVENT_BROADCAST_CHANGE:
3624 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3625 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3626 			port_id, phy_id, 1, 0);
3627 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3628 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3629 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3630 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3631 			GFP_ATOMIC);
3632 		break;
3633 	case HW_EVENT_PHY_ERROR:
3634 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3635 		sas_phy_disconnected(&phy->sas_phy);
3636 		phy->phy_attached = 0;
3637 		sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3638 		break;
3639 	case HW_EVENT_BROADCAST_EXP:
3640 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3641 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3642 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3643 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3644 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3645 			GFP_ATOMIC);
3646 		break;
3647 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3648 		pm8001_dbg(pm8001_ha, MSG,
3649 			   "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3650 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3651 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3652 		break;
3653 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3654 		pm8001_dbg(pm8001_ha, MSG,
3655 			   "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3656 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3657 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3658 			port_id, phy_id, 0, 0);
3659 		break;
3660 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3661 		pm8001_dbg(pm8001_ha, MSG,
3662 			   "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3663 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3664 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3665 			port_id, phy_id, 0, 0);
3666 		break;
3667 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3668 		pm8001_dbg(pm8001_ha, MSG,
3669 			   "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3670 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3671 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3672 			port_id, phy_id, 0, 0);
3673 		break;
3674 	case HW_EVENT_MALFUNCTION:
3675 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3676 		break;
3677 	case HW_EVENT_BROADCAST_SES:
3678 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3679 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3680 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3681 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3682 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3683 			GFP_ATOMIC);
3684 		break;
3685 	case HW_EVENT_INBOUND_CRC_ERROR:
3686 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3687 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3688 			HW_EVENT_INBOUND_CRC_ERROR,
3689 			port_id, phy_id, 0, 0);
3690 		break;
3691 	case HW_EVENT_HARD_RESET_RECEIVED:
3692 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3693 		sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3694 		break;
3695 	case HW_EVENT_ID_FRAME_TIMEOUT:
3696 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3697 		sas_phy_disconnected(sas_phy);
3698 		phy->phy_attached = 0;
3699 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3700 			GFP_ATOMIC);
3701 		break;
3702 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3703 		pm8001_dbg(pm8001_ha, MSG,
3704 			   "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3705 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3706 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3707 			port_id, phy_id, 0, 0);
3708 		sas_phy_disconnected(sas_phy);
3709 		phy->phy_attached = 0;
3710 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3711 			GFP_ATOMIC);
3712 		break;
3713 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3714 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3715 		if (!pm8001_ha->phy[phy_id].reset_completion) {
3716 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3717 				port_id, phy_id, 0, 0);
3718 		}
3719 		sas_phy_disconnected(sas_phy);
3720 		phy->phy_attached = 0;
3721 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3722 			GFP_ATOMIC);
3723 		if (pm8001_ha->phy[phy_id].reset_completion) {
3724 			pm8001_ha->phy[phy_id].port_reset_status =
3725 					PORT_RESET_TMO;
3726 			complete(pm8001_ha->phy[phy_id].reset_completion);
3727 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3728 		}
3729 		break;
3730 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3731 		pm8001_dbg(pm8001_ha, MSG,
3732 			   "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3733 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3734 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3735 			port_id, phy_id, 0, 0);
3736 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3737 			if (port->wide_port_phymap & (1 << i)) {
3738 				phy = &pm8001_ha->phy[i];
3739 				sas_notify_phy_event(&phy->sas_phy,
3740 					PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC);
3741 				port->wide_port_phymap &= ~(1 << i);
3742 			}
3743 		}
3744 		break;
3745 	case HW_EVENT_PORT_RECOVER:
3746 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3747 		hw_event_port_recover(pm8001_ha, piomb);
3748 		break;
3749 	case HW_EVENT_PORT_RESET_COMPLETE:
3750 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3751 		if (pm8001_ha->phy[phy_id].reset_completion) {
3752 			pm8001_ha->phy[phy_id].port_reset_status =
3753 					PORT_RESET_SUCCESS;
3754 			complete(pm8001_ha->phy[phy_id].reset_completion);
3755 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3756 		}
3757 		break;
3758 	case EVENT_BROADCAST_ASYNCH_EVENT:
3759 		pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3760 		break;
3761 	default:
3762 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type 0x%x\n",
3763 			   eventType);
3764 		break;
3765 	}
3766 	return 0;
3767 }
3768 
3769 /**
3770  * mpi_phy_stop_resp - SPCv specific
3771  * @pm8001_ha: our hba card information
3772  * @piomb: IO message buffer
3773  */
3774 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3775 {
3776 	struct phy_stop_resp *pPayload =
3777 		(struct phy_stop_resp *)(piomb + 4);
3778 	u32 status =
3779 		le32_to_cpu(pPayload->status);
3780 	u32 phyid =
3781 		le32_to_cpu(pPayload->phyid) & 0xFF;
3782 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3783 	pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
3784 		   phyid, status);
3785 	if (status == PHY_STOP_SUCCESS ||
3786 		status == PHY_STOP_ERR_DEVICE_ATTACHED)
3787 		phy->phy_state = PHY_LINK_DISABLE;
3788 	return 0;
3789 }
3790 
3791 /**
3792  * mpi_set_controller_config_resp - SPCv specific
3793  * @pm8001_ha: our hba card information
3794  * @piomb: IO message buffer
3795  */
3796 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3797 			void *piomb)
3798 {
3799 	struct set_ctrl_cfg_resp *pPayload =
3800 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3801 	u32 status = le32_to_cpu(pPayload->status);
3802 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3803 
3804 	pm8001_dbg(pm8001_ha, MSG,
3805 		   "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3806 		   status, err_qlfr_pgcd);
3807 
3808 	return 0;
3809 }
3810 
3811 /**
3812  * mpi_get_controller_config_resp - SPCv specific
3813  * @pm8001_ha: our hba card information
3814  * @piomb: IO message buffer
3815  */
3816 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3817 			void *piomb)
3818 {
3819 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3820 
3821 	return 0;
3822 }
3823 
3824 /**
3825  * mpi_get_phy_profile_resp - SPCv specific
3826  * @pm8001_ha: our hba card information
3827  * @piomb: IO message buffer
3828  */
3829 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3830 			void *piomb)
3831 {
3832 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3833 
3834 	return 0;
3835 }
3836 
3837 /**
3838  * mpi_flash_op_ext_resp - SPCv specific
3839  * @pm8001_ha: our hba card information
3840  * @piomb: IO message buffer
3841  */
3842 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3843 {
3844 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3845 
3846 	return 0;
3847 }
3848 
3849 /**
3850  * mpi_set_phy_profile_resp - SPCv specific
3851  * @pm8001_ha: our hba card information
3852  * @piomb: IO message buffer
3853  */
3854 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3855 			void *piomb)
3856 {
3857 	u32 tag;
3858 	u8 page_code;
3859 	int rc = 0;
3860 	struct set_phy_profile_resp *pPayload =
3861 		(struct set_phy_profile_resp *)(piomb + 4);
3862 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3863 	u32 status = le32_to_cpu(pPayload->status);
3864 
3865 	tag = le32_to_cpu(pPayload->tag);
3866 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3867 	if (status) {
3868 		/* status is FAILED */
3869 		pm8001_dbg(pm8001_ha, FAIL,
3870 			   "PhyProfile command failed  with status 0x%08X\n",
3871 			   status);
3872 		rc = -1;
3873 	} else {
3874 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3875 			pm8001_dbg(pm8001_ha, FAIL, "Invalid page code 0x%X\n",
3876 				   page_code);
3877 			rc = -1;
3878 		}
3879 	}
3880 	pm8001_tag_free(pm8001_ha, tag);
3881 	return rc;
3882 }
3883 
3884 /**
3885  * mpi_kek_management_resp - SPCv specific
3886  * @pm8001_ha: our hba card information
3887  * @piomb: IO message buffer
3888  */
3889 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3890 			void *piomb)
3891 {
3892 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3893 
3894 	u32 status = le32_to_cpu(pPayload->status);
3895 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3896 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3897 
3898 	pm8001_dbg(pm8001_ha, MSG,
3899 		   "KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3900 		   status, kidx_new_curr_ksop, err_qlfr);
3901 
3902 	return 0;
3903 }
3904 
3905 /**
3906  * mpi_dek_management_resp - SPCv specific
3907  * @pm8001_ha: our hba card information
3908  * @piomb: IO message buffer
3909  */
3910 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3911 			void *piomb)
3912 {
3913 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3914 
3915 	return 0;
3916 }
3917 
3918 /**
3919  * ssp_coalesced_comp_resp - SPCv specific
3920  * @pm8001_ha: our hba card information
3921  * @piomb: IO message buffer
3922  */
3923 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3924 			void *piomb)
3925 {
3926 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3927 
3928 	return 0;
3929 }
3930 
3931 /**
3932  * process_one_iomb - process one outbound Queue memory block
3933  * @pm8001_ha: our hba card information
3934  * @piomb: IO message buffer
3935  */
3936 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha,
3937 		struct outbound_queue_table *circularQ, void *piomb)
3938 {
3939 	__le32 pHeader = *(__le32 *)piomb;
3940 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3941 
3942 	switch (opc) {
3943 	case OPC_OUB_ECHO:
3944 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3945 		break;
3946 	case OPC_OUB_HW_EVENT:
3947 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3948 		mpi_hw_event(pm8001_ha, piomb);
3949 		break;
3950 	case OPC_OUB_THERM_HW_EVENT:
3951 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_THERMAL_EVENT\n");
3952 		mpi_thermal_hw_event(pm8001_ha, piomb);
3953 		break;
3954 	case OPC_OUB_SSP_COMP:
3955 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3956 		mpi_ssp_completion(pm8001_ha, piomb);
3957 		break;
3958 	case OPC_OUB_SMP_COMP:
3959 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3960 		mpi_smp_completion(pm8001_ha, piomb);
3961 		break;
3962 	case OPC_OUB_LOCAL_PHY_CNTRL:
3963 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3964 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3965 		break;
3966 	case OPC_OUB_DEV_REGIST:
3967 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3968 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3969 		break;
3970 	case OPC_OUB_DEREG_DEV:
3971 		pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3972 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3973 		break;
3974 	case OPC_OUB_GET_DEV_HANDLE:
3975 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3976 		break;
3977 	case OPC_OUB_SATA_COMP:
3978 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3979 		mpi_sata_completion(pm8001_ha, circularQ, piomb);
3980 		break;
3981 	case OPC_OUB_SATA_EVENT:
3982 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3983 		mpi_sata_event(pm8001_ha, circularQ, piomb);
3984 		break;
3985 	case OPC_OUB_SSP_EVENT:
3986 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3987 		mpi_ssp_event(pm8001_ha, piomb);
3988 		break;
3989 	case OPC_OUB_DEV_HANDLE_ARRIV:
3990 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3991 		/*This is for target*/
3992 		break;
3993 	case OPC_OUB_SSP_RECV_EVENT:
3994 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3995 		/*This is for target*/
3996 		break;
3997 	case OPC_OUB_FW_FLASH_UPDATE:
3998 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3999 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
4000 		break;
4001 	case OPC_OUB_GPIO_RESPONSE:
4002 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
4003 		break;
4004 	case OPC_OUB_GPIO_EVENT:
4005 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
4006 		break;
4007 	case OPC_OUB_GENERAL_EVENT:
4008 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
4009 		pm8001_mpi_general_event(pm8001_ha, piomb);
4010 		break;
4011 	case OPC_OUB_SSP_ABORT_RSP:
4012 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
4013 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4014 		break;
4015 	case OPC_OUB_SATA_ABORT_RSP:
4016 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
4017 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4018 		break;
4019 	case OPC_OUB_SAS_DIAG_MODE_START_END:
4020 		pm8001_dbg(pm8001_ha, MSG,
4021 			   "OPC_OUB_SAS_DIAG_MODE_START_END\n");
4022 		break;
4023 	case OPC_OUB_SAS_DIAG_EXECUTE:
4024 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
4025 		break;
4026 	case OPC_OUB_GET_TIME_STAMP:
4027 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
4028 		break;
4029 	case OPC_OUB_SAS_HW_EVENT_ACK:
4030 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
4031 		break;
4032 	case OPC_OUB_PORT_CONTROL:
4033 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
4034 		break;
4035 	case OPC_OUB_SMP_ABORT_RSP:
4036 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
4037 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4038 		break;
4039 	case OPC_OUB_GET_NVMD_DATA:
4040 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
4041 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
4042 		break;
4043 	case OPC_OUB_SET_NVMD_DATA:
4044 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
4045 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
4046 		break;
4047 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
4048 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
4049 		break;
4050 	case OPC_OUB_SET_DEVICE_STATE:
4051 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
4052 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4053 		break;
4054 	case OPC_OUB_GET_DEVICE_STATE:
4055 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
4056 		break;
4057 	case OPC_OUB_SET_DEV_INFO:
4058 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
4059 		break;
4060 	/* spcv specific commands */
4061 	case OPC_OUB_PHY_START_RESP:
4062 		pm8001_dbg(pm8001_ha, MSG,
4063 			   "OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
4064 		mpi_phy_start_resp(pm8001_ha, piomb);
4065 		break;
4066 	case OPC_OUB_PHY_STOP_RESP:
4067 		pm8001_dbg(pm8001_ha, MSG,
4068 			   "OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc);
4069 		mpi_phy_stop_resp(pm8001_ha, piomb);
4070 		break;
4071 	case OPC_OUB_SET_CONTROLLER_CONFIG:
4072 		pm8001_dbg(pm8001_ha, MSG,
4073 			   "OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc);
4074 		mpi_set_controller_config_resp(pm8001_ha, piomb);
4075 		break;
4076 	case OPC_OUB_GET_CONTROLLER_CONFIG:
4077 		pm8001_dbg(pm8001_ha, MSG,
4078 			   "OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc);
4079 		mpi_get_controller_config_resp(pm8001_ha, piomb);
4080 		break;
4081 	case OPC_OUB_GET_PHY_PROFILE:
4082 		pm8001_dbg(pm8001_ha, MSG,
4083 			   "OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc);
4084 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
4085 		break;
4086 	case OPC_OUB_FLASH_OP_EXT:
4087 		pm8001_dbg(pm8001_ha, MSG,
4088 			   "OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc);
4089 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
4090 		break;
4091 	case OPC_OUB_SET_PHY_PROFILE:
4092 		pm8001_dbg(pm8001_ha, MSG,
4093 			   "OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc);
4094 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
4095 		break;
4096 	case OPC_OUB_KEK_MANAGEMENT_RESP:
4097 		pm8001_dbg(pm8001_ha, MSG,
4098 			   "OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc);
4099 		mpi_kek_management_resp(pm8001_ha, piomb);
4100 		break;
4101 	case OPC_OUB_DEK_MANAGEMENT_RESP:
4102 		pm8001_dbg(pm8001_ha, MSG,
4103 			   "OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc);
4104 		mpi_dek_management_resp(pm8001_ha, piomb);
4105 		break;
4106 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
4107 		pm8001_dbg(pm8001_ha, MSG,
4108 			   "OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc);
4109 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
4110 		break;
4111 	default:
4112 		pm8001_dbg(pm8001_ha, DEVIO,
4113 			   "Unknown outbound Queue IOMB OPC = 0x%x\n", opc);
4114 		break;
4115 	}
4116 }
4117 
4118 static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
4119 {
4120 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_0: 0x%x\n",
4121 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
4122 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_1:0x%x\n",
4123 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1));
4124 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_2: 0x%x\n",
4125 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2));
4126 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_3: 0x%x\n",
4127 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
4128 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
4129 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0));
4130 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
4131 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1));
4132 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
4133 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2));
4134 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
4135 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3));
4136 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
4137 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4));
4138 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
4139 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5));
4140 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
4141 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6));
4142 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
4143 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7));
4144 }
4145 
4146 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4147 {
4148 	struct outbound_queue_table *circularQ;
4149 	void *pMsg1 = NULL;
4150 	u8 bc;
4151 	u32 ret = MPI_IO_STATUS_FAIL;
4152 	u32 regval;
4153 
4154 	if (vec == (pm8001_ha->max_q_num - 1)) {
4155 		regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
4156 		if ((regval & SCRATCH_PAD_MIPSALL_READY) !=
4157 					SCRATCH_PAD_MIPSALL_READY) {
4158 			pm8001_ha->controller_fatal_error = true;
4159 			pm8001_dbg(pm8001_ha, FAIL,
4160 				   "Firmware Fatal error! Regval:0x%x\n",
4161 				   regval);
4162 			pm8001_handle_event(pm8001_ha, NULL, IO_FATAL_ERROR);
4163 			print_scratchpad_registers(pm8001_ha);
4164 			return ret;
4165 		}
4166 	}
4167 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4168 	spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags);
4169 	do {
4170 		/* spurious interrupt during setup if kexec-ing and
4171 		 * driver doing a doorbell access w/ the pre-kexec oq
4172 		 * interrupt setup.
4173 		 */
4174 		if (!circularQ->pi_virt)
4175 			break;
4176 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4177 		if (MPI_IO_STATUS_SUCCESS == ret) {
4178 			/* process the outbound message */
4179 			process_one_iomb(pm8001_ha, circularQ,
4180 						(void *)(pMsg1 - 4));
4181 			/* free the message from the outbound circular buffer */
4182 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4183 							circularQ, bc);
4184 		}
4185 		if (MPI_IO_STATUS_BUSY == ret) {
4186 			/* Update the producer index from SPC */
4187 			circularQ->producer_index =
4188 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4189 			if (le32_to_cpu(circularQ->producer_index) ==
4190 				circularQ->consumer_idx)
4191 				/* OQ is empty */
4192 				break;
4193 		}
4194 	} while (1);
4195 	spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags);
4196 	return ret;
4197 }
4198 
4199 /* DMA_... to our direction translation. */
4200 static const u8 data_dir_flags[] = {
4201 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4202 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4203 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4204 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4205 };
4206 
4207 static void build_smp_cmd(u32 deviceID, __le32 hTag,
4208 			struct smp_req *psmp_cmd, int mode, int length)
4209 {
4210 	psmp_cmd->tag = hTag;
4211 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4212 	if (mode == SMP_DIRECT) {
4213 		length = length - 4; /* subtract crc */
4214 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
4215 	} else {
4216 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4217 	}
4218 }
4219 
4220 /**
4221  * pm80xx_chip_smp_req - send an SMP task to FW
4222  * @pm8001_ha: our hba card information.
4223  * @ccb: the ccb information this request used.
4224  */
4225 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4226 	struct pm8001_ccb_info *ccb)
4227 {
4228 	int elem, rc;
4229 	struct sas_task *task = ccb->task;
4230 	struct domain_device *dev = task->dev;
4231 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4232 	struct scatterlist *sg_req, *sg_resp, *smp_req;
4233 	u32 req_len, resp_len;
4234 	struct smp_req smp_cmd;
4235 	u32 opc;
4236 	struct inbound_queue_table *circularQ;
4237 	u32 i, length;
4238 	u8 *payload;
4239 	u8 *to;
4240 
4241 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4242 	/*
4243 	 * DMA-map SMP request, response buffers
4244 	 */
4245 	sg_req = &task->smp_task.smp_req;
4246 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4247 	if (!elem)
4248 		return -ENOMEM;
4249 	req_len = sg_dma_len(sg_req);
4250 
4251 	sg_resp = &task->smp_task.smp_resp;
4252 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4253 	if (!elem) {
4254 		rc = -ENOMEM;
4255 		goto err_out;
4256 	}
4257 	resp_len = sg_dma_len(sg_resp);
4258 	/* must be in dwords */
4259 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4260 		rc = -EINVAL;
4261 		goto err_out_2;
4262 	}
4263 
4264 	opc = OPC_INB_SMP_REQUEST;
4265 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4266 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4267 
4268 	length = sg_req->length;
4269 	pm8001_dbg(pm8001_ha, IO, "SMP Frame Length %d\n", sg_req->length);
4270 	if (!(length - 8))
4271 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
4272 	else
4273 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
4274 
4275 
4276 	smp_req = &task->smp_task.smp_req;
4277 	to = kmap_atomic(sg_page(smp_req));
4278 	payload = to + smp_req->offset;
4279 
4280 	/* INDIRECT MODE command settings. Use DMA */
4281 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
4282 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST INDIRECT MODE\n");
4283 		/* for SPCv indirect mode. Place the top 4 bytes of
4284 		 * SMP Request header here. */
4285 		for (i = 0; i < 4; i++)
4286 			smp_cmd.smp_req16[i] = *(payload + i);
4287 		/* exclude top 4 bytes for SMP req header */
4288 		smp_cmd.long_smp_req.long_req_addr =
4289 			cpu_to_le64((u64)sg_dma_address
4290 				(&task->smp_task.smp_req) + 4);
4291 		/* exclude 4 bytes for SMP req header and CRC */
4292 		smp_cmd.long_smp_req.long_req_size =
4293 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
4294 		smp_cmd.long_smp_req.long_resp_addr =
4295 				cpu_to_le64((u64)sg_dma_address
4296 					(&task->smp_task.smp_resp));
4297 		smp_cmd.long_smp_req.long_resp_size =
4298 				cpu_to_le32((u32)sg_dma_len
4299 					(&task->smp_task.smp_resp)-4);
4300 	} else { /* DIRECT MODE */
4301 		smp_cmd.long_smp_req.long_req_addr =
4302 			cpu_to_le64((u64)sg_dma_address
4303 					(&task->smp_task.smp_req));
4304 		smp_cmd.long_smp_req.long_req_size =
4305 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4306 		smp_cmd.long_smp_req.long_resp_addr =
4307 			cpu_to_le64((u64)sg_dma_address
4308 				(&task->smp_task.smp_resp));
4309 		smp_cmd.long_smp_req.long_resp_size =
4310 			cpu_to_le32
4311 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4312 	}
4313 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
4314 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST DIRECT MODE\n");
4315 		for (i = 0; i < length; i++)
4316 			if (i < 16) {
4317 				smp_cmd.smp_req16[i] = *(payload + i);
4318 				pm8001_dbg(pm8001_ha, IO,
4319 					   "Byte[%d]:%x (DMA data:%x)\n",
4320 					   i, smp_cmd.smp_req16[i],
4321 					   *(payload));
4322 			} else {
4323 				smp_cmd.smp_req[i] = *(payload + i);
4324 				pm8001_dbg(pm8001_ha, IO,
4325 					   "Byte[%d]:%x (DMA data:%x)\n",
4326 					   i, smp_cmd.smp_req[i],
4327 					   *(payload));
4328 			}
4329 	}
4330 	kunmap_atomic(to);
4331 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
4332 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
4333 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &smp_cmd,
4334 			sizeof(smp_cmd), 0);
4335 	if (rc)
4336 		goto err_out_2;
4337 	return 0;
4338 
4339 err_out_2:
4340 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4341 			DMA_FROM_DEVICE);
4342 err_out:
4343 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4344 			DMA_TO_DEVICE);
4345 	return rc;
4346 }
4347 
4348 static int check_enc_sas_cmd(struct sas_task *task)
4349 {
4350 	u8 cmd = task->ssp_task.cmd->cmnd[0];
4351 
4352 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4353 		return 1;
4354 	else
4355 		return 0;
4356 }
4357 
4358 static int check_enc_sat_cmd(struct sas_task *task)
4359 {
4360 	int ret = 0;
4361 	switch (task->ata_task.fis.command) {
4362 	case ATA_CMD_FPDMA_READ:
4363 	case ATA_CMD_READ_EXT:
4364 	case ATA_CMD_READ:
4365 	case ATA_CMD_FPDMA_WRITE:
4366 	case ATA_CMD_WRITE_EXT:
4367 	case ATA_CMD_WRITE:
4368 	case ATA_CMD_PIO_READ:
4369 	case ATA_CMD_PIO_READ_EXT:
4370 	case ATA_CMD_PIO_WRITE:
4371 	case ATA_CMD_PIO_WRITE_EXT:
4372 		ret = 1;
4373 		break;
4374 	default:
4375 		ret = 0;
4376 		break;
4377 	}
4378 	return ret;
4379 }
4380 
4381 /**
4382  * pm80xx_chip_ssp_io_req - send an SSP task to FW
4383  * @pm8001_ha: our hba card information.
4384  * @ccb: the ccb information this request used.
4385  */
4386 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4387 	struct pm8001_ccb_info *ccb)
4388 {
4389 	struct sas_task *task = ccb->task;
4390 	struct domain_device *dev = task->dev;
4391 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4392 	struct ssp_ini_io_start_req ssp_cmd;
4393 	u32 tag = ccb->ccb_tag;
4394 	int ret;
4395 	u64 phys_addr, start_addr, end_addr;
4396 	u32 end_addr_high, end_addr_low;
4397 	struct inbound_queue_table *circularQ;
4398 	u32 q_index, cpu_id;
4399 	u32 opc = OPC_INB_SSPINIIOSTART;
4400 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4401 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4402 	/* data address domain added for spcv; set to 0 by host,
4403 	 * used internally by controller
4404 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4405 	 */
4406 	ssp_cmd.dad_dir_m_tlr =
4407 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4408 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4409 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4410 	ssp_cmd.tag = cpu_to_le32(tag);
4411 	if (task->ssp_task.enable_first_burst)
4412 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4413 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4414 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4415 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4416 		       task->ssp_task.cmd->cmd_len);
4417 	cpu_id = smp_processor_id();
4418 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4419 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4420 
4421 	/* Check if encryption is set */
4422 	if (pm8001_ha->chip->encrypt &&
4423 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4424 		pm8001_dbg(pm8001_ha, IO,
4425 			   "Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4426 			   task->ssp_task.cmd->cmnd[0]);
4427 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4428 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4429 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4430 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4431 
4432 		/* fill in PRD (scatter/gather) table, if any */
4433 		if (task->num_scatter > 1) {
4434 			pm8001_chip_make_sg(task->scatter,
4435 						ccb->n_elem, ccb->buf_prd);
4436 			phys_addr = ccb->ccb_dma_handle;
4437 			ssp_cmd.enc_addr_low =
4438 				cpu_to_le32(lower_32_bits(phys_addr));
4439 			ssp_cmd.enc_addr_high =
4440 				cpu_to_le32(upper_32_bits(phys_addr));
4441 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4442 		} else if (task->num_scatter == 1) {
4443 			u64 dma_addr = sg_dma_address(task->scatter);
4444 			ssp_cmd.enc_addr_low =
4445 				cpu_to_le32(lower_32_bits(dma_addr));
4446 			ssp_cmd.enc_addr_high =
4447 				cpu_to_le32(upper_32_bits(dma_addr));
4448 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4449 			ssp_cmd.enc_esgl = 0;
4450 			/* Check 4G Boundary */
4451 			start_addr = cpu_to_le64(dma_addr);
4452 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4453 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4454 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4455 			if (end_addr_high != ssp_cmd.enc_addr_high) {
4456 				pm8001_dbg(pm8001_ha, FAIL,
4457 					   "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n",
4458 					   start_addr, ssp_cmd.enc_len,
4459 					   end_addr_high, end_addr_low);
4460 				pm8001_chip_make_sg(task->scatter, 1,
4461 					ccb->buf_prd);
4462 				phys_addr = ccb->ccb_dma_handle;
4463 				ssp_cmd.enc_addr_low =
4464 					cpu_to_le32(lower_32_bits(phys_addr));
4465 				ssp_cmd.enc_addr_high =
4466 					cpu_to_le32(upper_32_bits(phys_addr));
4467 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4468 			}
4469 		} else if (task->num_scatter == 0) {
4470 			ssp_cmd.enc_addr_low = 0;
4471 			ssp_cmd.enc_addr_high = 0;
4472 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4473 			ssp_cmd.enc_esgl = 0;
4474 		}
4475 		/* XTS mode. All other fields are 0 */
4476 		ssp_cmd.key_cmode = 0x6 << 4;
4477 		/* set tweak values. Should be the start lba */
4478 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4479 						(task->ssp_task.cmd->cmnd[3] << 16) |
4480 						(task->ssp_task.cmd->cmnd[4] << 8) |
4481 						(task->ssp_task.cmd->cmnd[5]));
4482 	} else {
4483 		pm8001_dbg(pm8001_ha, IO,
4484 			   "Sending Normal SAS command 0x%x inb q %x\n",
4485 			   task->ssp_task.cmd->cmnd[0], q_index);
4486 		/* fill in PRD (scatter/gather) table, if any */
4487 		if (task->num_scatter > 1) {
4488 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4489 					ccb->buf_prd);
4490 			phys_addr = ccb->ccb_dma_handle;
4491 			ssp_cmd.addr_low =
4492 				cpu_to_le32(lower_32_bits(phys_addr));
4493 			ssp_cmd.addr_high =
4494 				cpu_to_le32(upper_32_bits(phys_addr));
4495 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4496 		} else if (task->num_scatter == 1) {
4497 			u64 dma_addr = sg_dma_address(task->scatter);
4498 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4499 			ssp_cmd.addr_high =
4500 				cpu_to_le32(upper_32_bits(dma_addr));
4501 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4502 			ssp_cmd.esgl = 0;
4503 			/* Check 4G Boundary */
4504 			start_addr = cpu_to_le64(dma_addr);
4505 			end_addr = (start_addr + ssp_cmd.len) - 1;
4506 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4507 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4508 			if (end_addr_high != ssp_cmd.addr_high) {
4509 				pm8001_dbg(pm8001_ha, FAIL,
4510 					   "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",
4511 					   start_addr, ssp_cmd.len,
4512 					   end_addr_high, end_addr_low);
4513 				pm8001_chip_make_sg(task->scatter, 1,
4514 					ccb->buf_prd);
4515 				phys_addr = ccb->ccb_dma_handle;
4516 				ssp_cmd.addr_low =
4517 					cpu_to_le32(lower_32_bits(phys_addr));
4518 				ssp_cmd.addr_high =
4519 					cpu_to_le32(upper_32_bits(phys_addr));
4520 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4521 			}
4522 		} else if (task->num_scatter == 0) {
4523 			ssp_cmd.addr_low = 0;
4524 			ssp_cmd.addr_high = 0;
4525 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4526 			ssp_cmd.esgl = 0;
4527 		}
4528 	}
4529 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4530 			&ssp_cmd, sizeof(ssp_cmd), q_index);
4531 	return ret;
4532 }
4533 
4534 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4535 	struct pm8001_ccb_info *ccb)
4536 {
4537 	struct sas_task *task = ccb->task;
4538 	struct domain_device *dev = task->dev;
4539 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4540 	struct ata_queued_cmd *qc = task->uldd_task;
4541 	u32 tag = ccb->ccb_tag;
4542 	int ret;
4543 	u32 q_index, cpu_id;
4544 	struct sata_start_req sata_cmd;
4545 	u32 hdr_tag, ncg_tag = 0;
4546 	u64 phys_addr, start_addr, end_addr;
4547 	u32 end_addr_high, end_addr_low;
4548 	u32 ATAP = 0x0;
4549 	u32 dir;
4550 	struct inbound_queue_table *circularQ;
4551 	unsigned long flags;
4552 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4553 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4554 	cpu_id = smp_processor_id();
4555 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4556 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4557 
4558 	if (task->data_dir == DMA_NONE) {
4559 		ATAP = 0x04; /* no data*/
4560 		pm8001_dbg(pm8001_ha, IO, "no data\n");
4561 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4562 		if (task->ata_task.dma_xfer) {
4563 			ATAP = 0x06; /* DMA */
4564 			pm8001_dbg(pm8001_ha, IO, "DMA\n");
4565 		} else {
4566 			ATAP = 0x05; /* PIO*/
4567 			pm8001_dbg(pm8001_ha, IO, "PIO\n");
4568 		}
4569 		if (task->ata_task.use_ncq &&
4570 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4571 			ATAP = 0x07; /* FPDMA */
4572 			pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4573 		}
4574 	}
4575 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4576 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4577 		ncg_tag = hdr_tag;
4578 	}
4579 	dir = data_dir_flags[task->data_dir] << 8;
4580 	sata_cmd.tag = cpu_to_le32(tag);
4581 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4582 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4583 
4584 	sata_cmd.sata_fis = task->ata_task.fis;
4585 	if (likely(!task->ata_task.device_control_reg_update))
4586 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4587 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4588 
4589 	/* Check if encryption is set */
4590 	if (pm8001_ha->chip->encrypt &&
4591 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4592 		pm8001_dbg(pm8001_ha, IO,
4593 			   "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4594 			   sata_cmd.sata_fis.command);
4595 		opc = OPC_INB_SATA_DIF_ENC_IO;
4596 
4597 		/* set encryption bit */
4598 		sata_cmd.ncqtag_atap_dir_m_dad =
4599 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4600 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4601 							/* dad (bit 0-1) is 0 */
4602 		/* fill in PRD (scatter/gather) table, if any */
4603 		if (task->num_scatter > 1) {
4604 			pm8001_chip_make_sg(task->scatter,
4605 						ccb->n_elem, ccb->buf_prd);
4606 			phys_addr = ccb->ccb_dma_handle;
4607 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4608 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4609 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4610 		} else if (task->num_scatter == 1) {
4611 			u64 dma_addr = sg_dma_address(task->scatter);
4612 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4613 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4614 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4615 			sata_cmd.enc_esgl = 0;
4616 			/* Check 4G Boundary */
4617 			start_addr = cpu_to_le64(dma_addr);
4618 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4619 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4620 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4621 			if (end_addr_high != sata_cmd.enc_addr_high) {
4622 				pm8001_dbg(pm8001_ha, FAIL,
4623 					   "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",
4624 					   start_addr, sata_cmd.enc_len,
4625 					   end_addr_high, end_addr_low);
4626 				pm8001_chip_make_sg(task->scatter, 1,
4627 					ccb->buf_prd);
4628 				phys_addr = ccb->ccb_dma_handle;
4629 				sata_cmd.enc_addr_low =
4630 					lower_32_bits(phys_addr);
4631 				sata_cmd.enc_addr_high =
4632 					upper_32_bits(phys_addr);
4633 				sata_cmd.enc_esgl =
4634 					cpu_to_le32(1 << 31);
4635 			}
4636 		} else if (task->num_scatter == 0) {
4637 			sata_cmd.enc_addr_low = 0;
4638 			sata_cmd.enc_addr_high = 0;
4639 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4640 			sata_cmd.enc_esgl = 0;
4641 		}
4642 		/* XTS mode. All other fields are 0 */
4643 		sata_cmd.key_index_mode = 0x6 << 4;
4644 		/* set tweak values. Should be the start lba */
4645 		sata_cmd.twk_val0 =
4646 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4647 					(sata_cmd.sata_fis.lbah << 16) |
4648 					(sata_cmd.sata_fis.lbam << 8) |
4649 					(sata_cmd.sata_fis.lbal));
4650 		sata_cmd.twk_val1 =
4651 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4652 					 (sata_cmd.sata_fis.lbam_exp));
4653 	} else {
4654 		pm8001_dbg(pm8001_ha, IO,
4655 			   "Sending Normal SATA command 0x%x inb %x\n",
4656 			   sata_cmd.sata_fis.command, q_index);
4657 		/* dad (bit 0-1) is 0 */
4658 		sata_cmd.ncqtag_atap_dir_m_dad =
4659 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4660 					((ATAP & 0x3f) << 10) | dir);
4661 
4662 		/* fill in PRD (scatter/gather) table, if any */
4663 		if (task->num_scatter > 1) {
4664 			pm8001_chip_make_sg(task->scatter,
4665 					ccb->n_elem, 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(1 << 31);
4670 		} else if (task->num_scatter == 1) {
4671 			u64 dma_addr = sg_dma_address(task->scatter);
4672 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4673 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4674 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4675 			sata_cmd.esgl = 0;
4676 			/* Check 4G Boundary */
4677 			start_addr = cpu_to_le64(dma_addr);
4678 			end_addr = (start_addr + sata_cmd.len) - 1;
4679 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4680 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4681 			if (end_addr_high != sata_cmd.addr_high) {
4682 				pm8001_dbg(pm8001_ha, FAIL,
4683 					   "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",
4684 					   start_addr, sata_cmd.len,
4685 					   end_addr_high, end_addr_low);
4686 				pm8001_chip_make_sg(task->scatter, 1,
4687 					ccb->buf_prd);
4688 				phys_addr = ccb->ccb_dma_handle;
4689 				sata_cmd.addr_low =
4690 					lower_32_bits(phys_addr);
4691 				sata_cmd.addr_high =
4692 					upper_32_bits(phys_addr);
4693 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4694 			}
4695 		} else if (task->num_scatter == 0) {
4696 			sata_cmd.addr_low = 0;
4697 			sata_cmd.addr_high = 0;
4698 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4699 			sata_cmd.esgl = 0;
4700 		}
4701 		/* scsi cdb */
4702 		sata_cmd.atapi_scsi_cdb[0] =
4703 			cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4704 			(task->ata_task.atapi_packet[1] << 8) |
4705 			(task->ata_task.atapi_packet[2] << 16) |
4706 			(task->ata_task.atapi_packet[3] << 24)));
4707 		sata_cmd.atapi_scsi_cdb[1] =
4708 			cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4709 			(task->ata_task.atapi_packet[5] << 8) |
4710 			(task->ata_task.atapi_packet[6] << 16) |
4711 			(task->ata_task.atapi_packet[7] << 24)));
4712 		sata_cmd.atapi_scsi_cdb[2] =
4713 			cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4714 			(task->ata_task.atapi_packet[9] << 8) |
4715 			(task->ata_task.atapi_packet[10] << 16) |
4716 			(task->ata_task.atapi_packet[11] << 24)));
4717 		sata_cmd.atapi_scsi_cdb[3] =
4718 			cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4719 			(task->ata_task.atapi_packet[13] << 8) |
4720 			(task->ata_task.atapi_packet[14] << 16) |
4721 			(task->ata_task.atapi_packet[15] << 24)));
4722 	}
4723 
4724 	/* Check for read log for failed drive and return */
4725 	if (sata_cmd.sata_fis.command == 0x2f) {
4726 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4727 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4728 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4729 			struct task_status_struct *ts;
4730 
4731 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4732 			ts = &task->task_status;
4733 
4734 			spin_lock_irqsave(&task->task_state_lock, flags);
4735 			ts->resp = SAS_TASK_COMPLETE;
4736 			ts->stat = SAS_SAM_STAT_GOOD;
4737 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4738 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4739 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4740 			if (unlikely((task->task_state_flags &
4741 					SAS_TASK_STATE_ABORTED))) {
4742 				spin_unlock_irqrestore(&task->task_state_lock,
4743 							flags);
4744 				pm8001_dbg(pm8001_ha, FAIL,
4745 					   "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4746 					   task, ts->resp,
4747 					   ts->stat);
4748 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4749 				return 0;
4750 			} else {
4751 				spin_unlock_irqrestore(&task->task_state_lock,
4752 							flags);
4753 				pm8001_ccb_task_free_done(pm8001_ha, task,
4754 								ccb, tag);
4755 				atomic_dec(&pm8001_ha_dev->running_req);
4756 				return 0;
4757 			}
4758 		}
4759 	}
4760 	trace_pm80xx_request_issue(pm8001_ha->id,
4761 				ccb->device ? ccb->device->attached_phy : PM8001_MAX_PHYS,
4762 				ccb->ccb_tag, opc,
4763 				qc ? qc->tf.command : 0, // ata opcode
4764 				ccb->device ? atomic_read(&ccb->device->running_req) : 0);
4765 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4766 			&sata_cmd, sizeof(sata_cmd), q_index);
4767 	return ret;
4768 }
4769 
4770 /**
4771  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4772  * @pm8001_ha: our hba card information.
4773  * @phy_id: the phy id which we wanted to start up.
4774  */
4775 static int
4776 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4777 {
4778 	struct phy_start_req payload;
4779 	struct inbound_queue_table *circularQ;
4780 	int ret;
4781 	u32 tag = 0x01;
4782 	u32 opcode = OPC_INB_PHYSTART;
4783 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4784 	memset(&payload, 0, sizeof(payload));
4785 	payload.tag = cpu_to_le32(tag);
4786 
4787 	pm8001_dbg(pm8001_ha, INIT, "PHY START REQ for phy_id %d\n", phy_id);
4788 
4789 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4790 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
4791 	/* SSC Disable and SAS Analog ST configuration */
4792 	/*
4793 	payload.ase_sh_lm_slr_phyid =
4794 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4795 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4796 		phy_id);
4797 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4798 	*/
4799 
4800 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4801 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4802 	memcpy(payload.sas_identify.sas_addr,
4803 	  &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4804 	payload.sas_identify.phy_id = phy_id;
4805 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4806 			sizeof(payload), 0);
4807 	return ret;
4808 }
4809 
4810 /**
4811  * pm80xx_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4812  * @pm8001_ha: our hba card information.
4813  * @phy_id: the phy id which we wanted to start up.
4814  */
4815 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4816 	u8 phy_id)
4817 {
4818 	struct phy_stop_req payload;
4819 	struct inbound_queue_table *circularQ;
4820 	int ret;
4821 	u32 tag = 0x01;
4822 	u32 opcode = OPC_INB_PHYSTOP;
4823 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4824 	memset(&payload, 0, sizeof(payload));
4825 	payload.tag = cpu_to_le32(tag);
4826 	payload.phy_id = cpu_to_le32(phy_id);
4827 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4828 			sizeof(payload), 0);
4829 	return ret;
4830 }
4831 
4832 /*
4833  * see comments on pm8001_mpi_reg_resp.
4834  */
4835 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4836 	struct pm8001_device *pm8001_dev, u32 flag)
4837 {
4838 	struct reg_dev_req payload;
4839 	u32	opc;
4840 	u32 stp_sspsmp_sata = 0x4;
4841 	struct inbound_queue_table *circularQ;
4842 	u32 linkrate, phy_id;
4843 	int rc, tag = 0xdeadbeef;
4844 	struct pm8001_ccb_info *ccb;
4845 	u8 retryFlag = 0x1;
4846 	u16 firstBurstSize = 0;
4847 	u16 ITNT = 2000;
4848 	struct domain_device *dev = pm8001_dev->sas_device;
4849 	struct domain_device *parent_dev = dev->parent;
4850 	struct pm8001_port *port = dev->port->lldd_port;
4851 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4852 
4853 	memset(&payload, 0, sizeof(payload));
4854 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4855 	if (rc)
4856 		return rc;
4857 	ccb = &pm8001_ha->ccb_info[tag];
4858 	ccb->device = pm8001_dev;
4859 	ccb->ccb_tag = tag;
4860 	payload.tag = cpu_to_le32(tag);
4861 
4862 	if (flag == 1) {
4863 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4864 	} else {
4865 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4866 			stp_sspsmp_sata = 0x00; /* stp*/
4867 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4868 			dev_is_expander(pm8001_dev->dev_type))
4869 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4870 	}
4871 	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4872 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4873 	else
4874 		phy_id = pm8001_dev->attached_phy;
4875 
4876 	opc = OPC_INB_REG_DEV;
4877 
4878 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4879 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4880 
4881 	payload.phyid_portid =
4882 		cpu_to_le32(((port->port_id) & 0xFF) |
4883 		((phy_id & 0xFF) << 8));
4884 
4885 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4886 		((linkrate & 0x0F) << 24) |
4887 		((stp_sspsmp_sata & 0x03) << 28));
4888 	payload.firstburstsize_ITNexustimeout =
4889 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4890 
4891 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4892 		SAS_ADDR_SIZE);
4893 
4894 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4895 			sizeof(payload), 0);
4896 	if (rc)
4897 		pm8001_tag_free(pm8001_ha, tag);
4898 
4899 	return rc;
4900 }
4901 
4902 /**
4903  * pm80xx_chip_phy_ctl_req - support the local phy operation
4904  * @pm8001_ha: our hba card information.
4905  * @phyId: the phy id which we wanted to operate
4906  * @phy_op: phy operation to request
4907  */
4908 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4909 	u32 phyId, u32 phy_op)
4910 {
4911 	u32 tag;
4912 	int rc;
4913 	struct local_phy_ctl_req payload;
4914 	struct inbound_queue_table *circularQ;
4915 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4916 	memset(&payload, 0, sizeof(payload));
4917 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4918 	if (rc)
4919 		return rc;
4920 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4921 	payload.tag = cpu_to_le32(tag);
4922 	payload.phyop_phyid =
4923 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4924 	return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4925 			sizeof(payload), 0);
4926 }
4927 
4928 static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4929 {
4930 #ifdef PM8001_USE_MSIX
4931 	return 1;
4932 #else
4933 	u32 value;
4934 
4935 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4936 	if (value)
4937 		return 1;
4938 	return 0;
4939 #endif
4940 }
4941 
4942 /**
4943  * pm80xx_chip_isr - PM8001 isr handler.
4944  * @pm8001_ha: our hba card information.
4945  * @vec: irq number.
4946  */
4947 static irqreturn_t
4948 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4949 {
4950 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4951 	pm8001_dbg(pm8001_ha, DEVIO,
4952 		   "irq vec %d, ODMR:0x%x\n",
4953 		   vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4954 	process_oq(pm8001_ha, vec);
4955 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4956 	return IRQ_HANDLED;
4957 }
4958 
4959 static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4960 				    u32 operation, u32 phyid,
4961 				    u32 length, u32 *buf)
4962 {
4963 	u32 tag, i, j = 0;
4964 	int rc;
4965 	struct set_phy_profile_req payload;
4966 	struct inbound_queue_table *circularQ;
4967 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4968 
4969 	memset(&payload, 0, sizeof(payload));
4970 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4971 	if (rc)
4972 		pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n");
4973 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4974 	payload.tag = cpu_to_le32(tag);
4975 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4976 	pm8001_dbg(pm8001_ha, INIT,
4977 		   " phy profile command for phy %x ,length is %d\n",
4978 		   payload.ppc_phyid, length);
4979 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4980 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4981 		j++;
4982 	}
4983 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4984 			sizeof(payload), 0);
4985 	if (rc)
4986 		pm8001_tag_free(pm8001_ha, tag);
4987 }
4988 
4989 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4990 	u32 length, u8 *buf)
4991 {
4992 	u32 i;
4993 
4994 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4995 		mpi_set_phy_profile_req(pm8001_ha,
4996 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4997 		length = length + PHY_DWORD_LENGTH;
4998 	}
4999 	pm8001_dbg(pm8001_ha, INIT, "phy settings completed\n");
5000 }
5001 
5002 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
5003 		u32 phy, u32 length, u32 *buf)
5004 {
5005 	u32 tag, opc;
5006 	int rc, i;
5007 	struct set_phy_profile_req payload;
5008 	struct inbound_queue_table *circularQ;
5009 
5010 	memset(&payload, 0, sizeof(payload));
5011 
5012 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5013 	if (rc)
5014 		pm8001_dbg(pm8001_ha, INIT, "Invalid tag\n");
5015 
5016 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5017 	opc = OPC_INB_SET_PHY_PROFILE;
5018 
5019 	payload.tag = cpu_to_le32(tag);
5020 	payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
5021 				| (phy & 0xFF));
5022 
5023 	for (i = 0; i < length; i++)
5024 		payload.reserved[i] = cpu_to_le32(*(buf + i));
5025 
5026 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
5027 			sizeof(payload), 0);
5028 	if (rc)
5029 		pm8001_tag_free(pm8001_ha, tag);
5030 
5031 	pm8001_dbg(pm8001_ha, INIT, "PHY %d settings applied\n", phy);
5032 }
5033 const struct pm8001_dispatch pm8001_80xx_dispatch = {
5034 	.name			= "pmc80xx",
5035 	.chip_init		= pm80xx_chip_init,
5036 	.chip_soft_rst		= pm80xx_chip_soft_rst,
5037 	.chip_rst		= pm80xx_hw_chip_rst,
5038 	.chip_iounmap		= pm8001_chip_iounmap,
5039 	.isr			= pm80xx_chip_isr,
5040 	.is_our_interrupt	= pm80xx_chip_is_our_interrupt,
5041 	.isr_process_oq		= process_oq,
5042 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
5043 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
5044 	.make_prd		= pm8001_chip_make_sg,
5045 	.smp_req		= pm80xx_chip_smp_req,
5046 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
5047 	.sata_req		= pm80xx_chip_sata_req,
5048 	.phy_start_req		= pm80xx_chip_phy_start_req,
5049 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
5050 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
5051 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5052 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
5053 	.task_abort		= pm8001_chip_abort_task,
5054 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5055 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5056 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5057 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5058 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5059 	.fatal_errors		= pm80xx_fatal_errors,
5060 	.hw_event_ack_req	= pm80xx_hw_event_ack_req,
5061 };
5062