xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision d91a275e)
1 /*
2  * PMC-Sierra SPCv/ve 8088/8089 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 PMC-Sierra, Inc.,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions, and the following disclaimer,
12  * without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  * substantially similar to the "NO WARRANTY" disclaimer below
15  * ("Disclaimer") and any redistribution must be conditioned upon
16  * including a substantially similar Disclaimer requirement for further
17  * binary redistribution.
18  * 3. Neither the names of the above-listed copyright holders nor the names
19  * of any contributors may be used to endorse or promote products derived
20  * from this software without specific prior written permission.
21  *
22  * Alternatively, this software may be distributed under the terms of the
23  * GNU General Public License ("GPL") version 2 as published by the Free
24  * Software Foundation.
25  *
26  * NO WARRANTY
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGES.
38  *
39  */
40  #include <linux/slab.h>
41  #include "pm8001_sas.h"
42  #include "pm80xx_hwi.h"
43  #include "pm8001_chips.h"
44  #include "pm8001_ctl.h"
45 
46 #define SMP_DIRECT 1
47 #define SMP_INDIRECT 2
48 
49 
50 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shift_value)
51 {
52 	u32 reg_val;
53 	unsigned long start;
54 	pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, shift_value);
55 	/* confirm the setting is written */
56 	start = jiffies + HZ; /* 1 sec */
57 	do {
58 		reg_val = pm8001_cr32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER);
59 	} while ((reg_val != shift_value) && time_before(jiffies, start));
60 	if (reg_val != shift_value) {
61 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MEMBASE_II_SHIFT_REGISTER = 0x%x\n",
62 			   reg_val);
63 		return -1;
64 	}
65 	return 0;
66 }
67 
68 static void pm80xx_pci_mem_copy(struct pm8001_hba_info  *pm8001_ha, u32 soffset,
69 				const void *destination,
70 				u32 dw_count, u32 bus_base_number)
71 {
72 	u32 index, value, offset;
73 	u32 *destination1;
74 	destination1 = (u32 *)destination;
75 
76 	for (index = 0; index < dw_count; index += 4, destination1++) {
77 		offset = (soffset + index);
78 		if (offset < (64 * 1024)) {
79 			value = pm8001_cr32(pm8001_ha, bus_base_number, offset);
80 			*destination1 =  cpu_to_le32(value);
81 		}
82 	}
83 	return;
84 }
85 
86 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
87 	struct device_attribute *attr, char *buf)
88 {
89 	struct Scsi_Host *shost = class_to_shost(cdev);
90 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
91 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
92 	void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
93 	u32 accum_len , reg_val, index, *temp;
94 	u32 status = 1;
95 	unsigned long start;
96 	u8 *direct_data;
97 	char *fatal_error_data = buf;
98 	u32 length_to_read;
99 	u32 offset;
100 
101 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
102 	if (pm8001_ha->chip_id == chip_8001) {
103 		pm8001_ha->forensic_info.data_buf.direct_data +=
104 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
105 			"Not supported for SPC controller");
106 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
107 			(char *)buf;
108 	}
109 	/* initialize variables for very first call from host application */
110 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
111 		pm8001_dbg(pm8001_ha, IO,
112 			   "forensic_info TYPE_NON_FATAL..............\n");
113 		direct_data = (u8 *)fatal_error_data;
114 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
115 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
116 		pm8001_ha->forensic_info.data_buf.direct_offset = 0;
117 		pm8001_ha->forensic_info.data_buf.read_len = 0;
118 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
119 
120 		/* Write signature to fatal dump table */
121 		pm8001_mw32(fatal_table_address,
122 				MPI_FATAL_EDUMP_TABLE_SIGNATURE, 0x1234abcd);
123 
124 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
125 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: status1 %d\n", status);
126 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: read_len 0x%x\n",
127 			   pm8001_ha->forensic_info.data_buf.read_len);
128 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_len 0x%x\n",
129 			   pm8001_ha->forensic_info.data_buf.direct_len);
130 		pm8001_dbg(pm8001_ha, IO, "ossaHwCB: direct_offset 0x%x\n",
131 			   pm8001_ha->forensic_info.data_buf.direct_offset);
132 	}
133 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
134 		/* start to get data */
135 		/* Program the MEMBASE II Shifting Register with 0x00.*/
136 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
137 				pm8001_ha->fatal_forensic_shift_offset);
138 		pm8001_ha->forensic_last_offset = 0;
139 		pm8001_ha->forensic_fatal_step = 0;
140 		pm8001_ha->fatal_bar_loc = 0;
141 	}
142 
143 	/* Read until accum_len is retrived */
144 	accum_len = pm8001_mr32(fatal_table_address,
145 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
146 	/* Determine length of data between previously stored transfer length
147 	 * and current accumulated transfer length
148 	 */
149 	length_to_read =
150 		accum_len - pm8001_ha->forensic_preserved_accumulated_transfer;
151 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: accum_len 0x%x\n",
152 		   accum_len);
153 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: length_to_read 0x%x\n",
154 		   length_to_read);
155 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: last_offset 0x%x\n",
156 		   pm8001_ha->forensic_last_offset);
157 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: read_len 0x%x\n",
158 		   pm8001_ha->forensic_info.data_buf.read_len);
159 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_len 0x%x\n",
160 		   pm8001_ha->forensic_info.data_buf.direct_len);
161 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv:: direct_offset 0x%x\n",
162 		   pm8001_ha->forensic_info.data_buf.direct_offset);
163 
164 	/* If accumulated length failed to read correctly fail the attempt.*/
165 	if (accum_len == 0xFFFFFFFF) {
166 		pm8001_dbg(pm8001_ha, IO,
167 			   "Possible PCI issue 0x%x not expected\n",
168 			   accum_len);
169 		return status;
170 	}
171 	/* If accumulated length is zero fail the attempt */
172 	if (accum_len == 0) {
173 		pm8001_ha->forensic_info.data_buf.direct_data +=
174 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
175 			"%08x ", 0xFFFFFFFF);
176 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
177 			(char *)buf;
178 	}
179 	/* Accumulated length is good so start capturing the first data */
180 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
181 	if (pm8001_ha->forensic_fatal_step == 0) {
182 moreData:
183 		/* If data to read is less than SYSFS_OFFSET then reduce the
184 		 * length of dataLen
185 		 */
186 		if (pm8001_ha->forensic_last_offset + SYSFS_OFFSET
187 				> length_to_read) {
188 			pm8001_ha->forensic_info.data_buf.direct_len =
189 				length_to_read -
190 				pm8001_ha->forensic_last_offset;
191 		} else {
192 			pm8001_ha->forensic_info.data_buf.direct_len =
193 				SYSFS_OFFSET;
194 		}
195 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
196 			/* Data is in bar, copy to host memory */
197 			pm80xx_pci_mem_copy(pm8001_ha,
198 			pm8001_ha->fatal_bar_loc,
199 			pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
200 			pm8001_ha->forensic_info.data_buf.direct_len, 1);
201 		}
202 		pm8001_ha->fatal_bar_loc +=
203 			pm8001_ha->forensic_info.data_buf.direct_len;
204 		pm8001_ha->forensic_info.data_buf.direct_offset +=
205 			pm8001_ha->forensic_info.data_buf.direct_len;
206 		pm8001_ha->forensic_last_offset	+=
207 			pm8001_ha->forensic_info.data_buf.direct_len;
208 		pm8001_ha->forensic_info.data_buf.read_len =
209 			pm8001_ha->forensic_info.data_buf.direct_len;
210 
211 		if (pm8001_ha->forensic_last_offset  >= length_to_read) {
212 			pm8001_ha->forensic_info.data_buf.direct_data +=
213 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
214 				"%08x ", 3);
215 			for (index = 0; index <
216 				(pm8001_ha->forensic_info.data_buf.direct_len
217 				 / 4); index++) {
218 				pm8001_ha->forensic_info.data_buf.direct_data +=
219 				sprintf(
220 				pm8001_ha->forensic_info.data_buf.direct_data,
221 				"%08x ", *(temp + index));
222 			}
223 
224 			pm8001_ha->fatal_bar_loc = 0;
225 			pm8001_ha->forensic_fatal_step = 1;
226 			pm8001_ha->fatal_forensic_shift_offset = 0;
227 			pm8001_ha->forensic_last_offset	= 0;
228 			status = 0;
229 			offset = (int)
230 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
231 			- (char *)buf);
232 			pm8001_dbg(pm8001_ha, IO,
233 				   "get_fatal_spcv:return1 0x%x\n", offset);
234 			return (char *)pm8001_ha->
235 				forensic_info.data_buf.direct_data -
236 				(char *)buf;
237 		}
238 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
239 			pm8001_ha->forensic_info.data_buf.direct_data +=
240 				sprintf(pm8001_ha->
241 					forensic_info.data_buf.direct_data,
242 					"%08x ", 2);
243 			for (index = 0; index <
244 				(pm8001_ha->forensic_info.data_buf.direct_len
245 				 / 4); index++) {
246 				pm8001_ha->forensic_info.data_buf.direct_data
247 					+= sprintf(pm8001_ha->
248 					forensic_info.data_buf.direct_data,
249 					"%08x ", *(temp + index));
250 			}
251 			status = 0;
252 			offset = (int)
253 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
254 			- (char *)buf);
255 			pm8001_dbg(pm8001_ha, IO,
256 				   "get_fatal_spcv:return2 0x%x\n", offset);
257 			return (char *)pm8001_ha->
258 				forensic_info.data_buf.direct_data -
259 				(char *)buf;
260 		}
261 
262 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
263 		pm8001_ha->forensic_info.data_buf.direct_data +=
264 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
265 				"%08x ", 2);
266 		for (index = 0; index <
267 			(pm8001_ha->forensic_info.data_buf.direct_len
268 			 / 4) ; index++) {
269 			pm8001_ha->forensic_info.data_buf.direct_data +=
270 				sprintf(pm8001_ha->
271 				forensic_info.data_buf.direct_data,
272 				"%08x ", *(temp + index));
273 		}
274 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
275 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
276 			pm8001_ha->fatal_forensic_shift_offset);
277 		pm8001_ha->fatal_bar_loc = 0;
278 		status = 0;
279 		offset = (int)
280 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
281 			- (char *)buf);
282 		pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return3 0x%x\n",
283 			   offset);
284 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
285 			(char *)buf;
286 	}
287 	if (pm8001_ha->forensic_fatal_step == 1) {
288 		/* store previous accumulated length before triggering next
289 		 * accumulated length update
290 		 */
291 		pm8001_ha->forensic_preserved_accumulated_transfer =
292 			pm8001_mr32(fatal_table_address,
293 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
294 
295 		/* continue capturing the fatal log until Dump status is 0x3 */
296 		if (pm8001_mr32(fatal_table_address,
297 			MPI_FATAL_EDUMP_TABLE_STATUS) <
298 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
299 
300 			/* reset fddstat bit by writing to zero*/
301 			pm8001_mw32(fatal_table_address,
302 					MPI_FATAL_EDUMP_TABLE_STATUS, 0x0);
303 
304 			/* set dump control value to '1' so that new data will
305 			 * be transferred to shared memory
306 			 */
307 			pm8001_mw32(fatal_table_address,
308 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
309 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
310 
311 			/*Poll FDDHSHK  until clear */
312 			start = jiffies + (2 * HZ); /* 2 sec */
313 
314 			do {
315 				reg_val = pm8001_mr32(fatal_table_address,
316 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
317 			} while ((reg_val) && time_before(jiffies, start));
318 
319 			if (reg_val != 0) {
320 				pm8001_dbg(pm8001_ha, FAIL,
321 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_HDSHAKE 0x%x\n",
322 					   reg_val);
323 			       /* Fail the dump if a timeout occurs */
324 				pm8001_ha->forensic_info.data_buf.direct_data +=
325 				sprintf(
326 				pm8001_ha->forensic_info.data_buf.direct_data,
327 				"%08x ", 0xFFFFFFFF);
328 				return((char *)
329 				pm8001_ha->forensic_info.data_buf.direct_data
330 				- (char *)buf);
331 			}
332 			/* Poll status register until set to 2 or
333 			 * 3 for up to 2 seconds
334 			 */
335 			start = jiffies + (2 * HZ); /* 2 sec */
336 
337 			do {
338 				reg_val = pm8001_mr32(fatal_table_address,
339 					MPI_FATAL_EDUMP_TABLE_STATUS);
340 			} while (((reg_val != 2) && (reg_val != 3)) &&
341 					time_before(jiffies, start));
342 
343 			if (reg_val < 2) {
344 				pm8001_dbg(pm8001_ha, FAIL,
345 					   "TIMEOUT:MPI_FATAL_EDUMP_TABLE_STATUS = 0x%x\n",
346 					   reg_val);
347 				/* Fail the dump if a timeout occurs */
348 				pm8001_ha->forensic_info.data_buf.direct_data +=
349 				sprintf(
350 				pm8001_ha->forensic_info.data_buf.direct_data,
351 				"%08x ", 0xFFFFFFFF);
352 				return((char *)pm8001_ha->forensic_info.data_buf.direct_data -
353 						(char *)buf);
354 			}
355 	/* reset fatal_forensic_shift_offset back to zero and reset MEMBASE 2 register to zero */
356 			pm8001_ha->fatal_forensic_shift_offset = 0; /* location in 64k region */
357 			pm8001_cw32(pm8001_ha, 0,
358 					MEMBASE_II_SHIFT_REGISTER,
359 					pm8001_ha->fatal_forensic_shift_offset);
360 		}
361 		/* Read the next block of the debug data.*/
362 		length_to_read = pm8001_mr32(fatal_table_address,
363 		MPI_FATAL_EDUMP_TABLE_ACCUM_LEN) -
364 		pm8001_ha->forensic_preserved_accumulated_transfer;
365 		if (length_to_read != 0x0) {
366 			pm8001_ha->forensic_fatal_step = 0;
367 			goto moreData;
368 		} else {
369 			pm8001_ha->forensic_info.data_buf.direct_data +=
370 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
371 				"%08x ", 4);
372 			pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
373 			pm8001_ha->forensic_info.data_buf.direct_len =  0;
374 			pm8001_ha->forensic_info.data_buf.direct_offset = 0;
375 			pm8001_ha->forensic_info.data_buf.read_len = 0;
376 		}
377 	}
378 	offset = (int)((char *)pm8001_ha->forensic_info.data_buf.direct_data
379 			- (char *)buf);
380 	pm8001_dbg(pm8001_ha, IO, "get_fatal_spcv: return4 0x%x\n", offset);
381 	return ((char *)pm8001_ha->forensic_info.data_buf.direct_data -
382 		(char *)buf);
383 }
384 
385 /* pm80xx_get_non_fatal_dump - dump the nonfatal data from the dma
386  * location by the firmware.
387  */
388 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
389 	struct device_attribute *attr, char *buf)
390 {
391 	struct Scsi_Host *shost = class_to_shost(cdev);
392 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
393 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
394 	void __iomem *nonfatal_table_address = pm8001_ha->fatal_tbl_addr;
395 	u32 accum_len = 0;
396 	u32 total_len = 0;
397 	u32 reg_val = 0;
398 	u32 *temp = NULL;
399 	u32 index = 0;
400 	u32 output_length;
401 	unsigned long start = 0;
402 	char *buf_copy = buf;
403 
404 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
405 	if (++pm8001_ha->non_fatal_count == 1) {
406 		if (pm8001_ha->chip_id == chip_8001) {
407 			snprintf(pm8001_ha->forensic_info.data_buf.direct_data,
408 				PAGE_SIZE, "Not supported for SPC controller");
409 			return 0;
410 		}
411 		pm8001_dbg(pm8001_ha, IO, "forensic_info TYPE_NON_FATAL...\n");
412 		/*
413 		 * Step 1: Write the host buffer parameters in the MPI Fatal and
414 		 * Non-Fatal Error Dump Capture Table.This is the buffer
415 		 * where debug data will be DMAed to.
416 		 */
417 		pm8001_mw32(nonfatal_table_address,
418 		MPI_FATAL_EDUMP_TABLE_LO_OFFSET,
419 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_lo);
420 
421 		pm8001_mw32(nonfatal_table_address,
422 		MPI_FATAL_EDUMP_TABLE_HI_OFFSET,
423 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_hi);
424 
425 		pm8001_mw32(nonfatal_table_address,
426 		MPI_FATAL_EDUMP_TABLE_LENGTH, SYSFS_OFFSET);
427 
428 		/* Optionally, set the DUMPCTRL bit to 1 if the host
429 		 * keeps sending active I/Os while capturing the non-fatal
430 		 * debug data. Otherwise, leave this bit set to zero
431 		 */
432 		pm8001_mw32(nonfatal_table_address,
433 		MPI_FATAL_EDUMP_TABLE_HANDSHAKE, MPI_FATAL_EDUMP_HANDSHAKE_RDY);
434 
435 		/*
436 		 * Step 2: Clear Accumulative Length of Debug Data Transferred
437 		 * [ACCDDLEN] field in the MPI Fatal and Non-Fatal Error Dump
438 		 * Capture Table to zero.
439 		 */
440 		pm8001_mw32(nonfatal_table_address,
441 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN, 0);
442 
443 		/* initiallize previous accumulated length to 0 */
444 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
445 		pm8001_ha->non_fatal_read_length = 0;
446 	}
447 
448 	total_len = pm8001_mr32(nonfatal_table_address,
449 			MPI_FATAL_EDUMP_TABLE_TOTAL_LEN);
450 	/*
451 	 * Step 3:Clear Fatal/Non-Fatal Debug Data Transfer Status [FDDTSTAT]
452 	 * field and then request that the SPCv controller transfer the debug
453 	 * data by setting bit 7 of the Inbound Doorbell Set Register.
454 	 */
455 	pm8001_mw32(nonfatal_table_address, MPI_FATAL_EDUMP_TABLE_STATUS, 0);
456 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET,
457 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP);
458 
459 	/*
460 	 * Step 4.1: Read back the Inbound Doorbell Set Register (by polling for
461 	 * 2 seconds) until register bit 7 is cleared.
462 	 * This step only indicates the request is accepted by the controller.
463 	 */
464 	start = jiffies + (2 * HZ); /* 2 sec */
465 	do {
466 		reg_val = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET) &
467 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP;
468 	} while ((reg_val != 0) && time_before(jiffies, start));
469 
470 	/* Step 4.2: To check the completion of the transfer, poll the Fatal/Non
471 	 * Fatal Debug Data Transfer Status [FDDTSTAT] field for 2 seconds in
472 	 * the MPI Fatal and Non-Fatal Error Dump Capture Table.
473 	 */
474 	start = jiffies + (2 * HZ); /* 2 sec */
475 	do {
476 		reg_val = pm8001_mr32(nonfatal_table_address,
477 				MPI_FATAL_EDUMP_TABLE_STATUS);
478 	} while ((!reg_val) && time_before(jiffies, start));
479 
480 	if ((reg_val == 0x00) ||
481 		(reg_val == MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED) ||
482 		(reg_val > MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE)) {
483 		pm8001_ha->non_fatal_read_length = 0;
484 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 0xFFFFFFFF);
485 		pm8001_ha->non_fatal_count = 0;
486 		return (buf_copy - buf);
487 	} else if (reg_val ==
488 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA) {
489 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 2);
490 	} else if ((reg_val == MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) ||
491 		(pm8001_ha->non_fatal_read_length >= total_len)) {
492 		pm8001_ha->non_fatal_read_length = 0;
493 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 4);
494 		pm8001_ha->non_fatal_count = 0;
495 	}
496 	accum_len = pm8001_mr32(nonfatal_table_address,
497 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
498 	output_length = accum_len -
499 		pm8001_ha->forensic_preserved_accumulated_transfer;
500 
501 	for (index = 0; index < output_length/4; index++)
502 		buf_copy += snprintf(buf_copy, PAGE_SIZE,
503 				"%08x ", *(temp+index));
504 
505 	pm8001_ha->non_fatal_read_length += output_length;
506 
507 	/* store current accumulated length to use in next iteration as
508 	 * the previous accumulated length
509 	 */
510 	pm8001_ha->forensic_preserved_accumulated_transfer = accum_len;
511 	return (buf_copy - buf);
512 }
513 
514 /**
515  * read_main_config_table - read the configure table and save it.
516  * @pm8001_ha: our hba card information
517  */
518 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
519 {
520 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
521 
522 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
523 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
524 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
525 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
526 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
527 		pm8001_mr32(address, MAIN_FW_REVISION);
528 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
529 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
530 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
531 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
532 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
533 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
534 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
535 		pm8001_mr32(address, MAIN_GST_OFFSET);
536 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
537 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
538 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
539 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
540 
541 	/* read Error Dump Offset and Length */
542 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
543 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
544 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
545 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
546 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
547 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
548 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
549 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
550 
551 	/* read GPIO LED settings from the configuration table */
552 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
553 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
554 
555 	/* read analog Setting offset from the configuration table */
556 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
557 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
558 
559 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
560 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
561 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
562 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
563 	/* read port recover and reset timeout */
564 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
565 		pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
566 	/* read ILA and inactive firmware version */
567 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
568 		pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
569 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
570 		pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
571 
572 	pm8001_dbg(pm8001_ha, DEV,
573 		   "Main cfg table: sign:%x interface rev:%x fw_rev:%x\n",
574 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature,
575 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev,
576 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev);
577 
578 	pm8001_dbg(pm8001_ha, DEV,
579 		   "table offset: gst:%x iq:%x oq:%x int vec:%x phy attr:%x\n",
580 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset,
581 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset,
582 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset,
583 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset,
584 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset);
585 
586 	pm8001_dbg(pm8001_ha, DEV,
587 		   "Main cfg table; ila rev:%x Inactive fw rev:%x\n",
588 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version,
589 		   pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version);
590 }
591 
592 /**
593  * read_general_status_table - read the general status table and save it.
594  * @pm8001_ha: our hba card information
595  */
596 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
597 {
598 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
599 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
600 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
601 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
602 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
603 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
604 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
605 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
606 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
607 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
608 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
609 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
610 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
611 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
612 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
613 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
614 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
615 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
616 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
617 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
618 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
619 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
620 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
621 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
622 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
623 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
624 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
625 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
626 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
627 }
628 /**
629  * read_phy_attr_table - read the phy attribute table and save it.
630  * @pm8001_ha: our hba card information
631  */
632 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
633 {
634 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
635 	pm8001_ha->phy_attr_table.phystart1_16[0] =
636 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
637 	pm8001_ha->phy_attr_table.phystart1_16[1] =
638 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
639 	pm8001_ha->phy_attr_table.phystart1_16[2] =
640 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
641 	pm8001_ha->phy_attr_table.phystart1_16[3] =
642 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
643 	pm8001_ha->phy_attr_table.phystart1_16[4] =
644 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
645 	pm8001_ha->phy_attr_table.phystart1_16[5] =
646 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
647 	pm8001_ha->phy_attr_table.phystart1_16[6] =
648 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
649 	pm8001_ha->phy_attr_table.phystart1_16[7] =
650 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
651 	pm8001_ha->phy_attr_table.phystart1_16[8] =
652 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
653 	pm8001_ha->phy_attr_table.phystart1_16[9] =
654 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
655 	pm8001_ha->phy_attr_table.phystart1_16[10] =
656 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
657 	pm8001_ha->phy_attr_table.phystart1_16[11] =
658 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
659 	pm8001_ha->phy_attr_table.phystart1_16[12] =
660 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
661 	pm8001_ha->phy_attr_table.phystart1_16[13] =
662 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
663 	pm8001_ha->phy_attr_table.phystart1_16[14] =
664 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
665 	pm8001_ha->phy_attr_table.phystart1_16[15] =
666 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
667 
668 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
669 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
670 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
671 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
672 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
673 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
674 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
675 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
676 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
677 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
678 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
679 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
680 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
681 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
682 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
683 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
684 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
685 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
686 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
687 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
688 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
689 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
690 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
691 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
692 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
693 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
694 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
695 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
696 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
697 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
698 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
699 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
700 
701 }
702 
703 /**
704  * read_inbnd_queue_table - read the inbound queue table and save it.
705  * @pm8001_ha: our hba card information
706  */
707 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
708 {
709 	int i;
710 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
711 	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
712 		u32 offset = i * 0x20;
713 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
714 			get_pci_bar_index(pm8001_mr32(address,
715 				(offset + IB_PIPCI_BAR)));
716 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
717 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
718 	}
719 }
720 
721 /**
722  * read_outbnd_queue_table - read the outbound queue table and save it.
723  * @pm8001_ha: our hba card information
724  */
725 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
726 {
727 	int i;
728 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
729 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
730 		u32 offset = i * 0x24;
731 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
732 			get_pci_bar_index(pm8001_mr32(address,
733 				(offset + OB_CIPCI_BAR)));
734 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
735 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
736 	}
737 }
738 
739 /**
740  * init_default_table_values - init the default table.
741  * @pm8001_ha: our hba card information
742  */
743 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
744 {
745 	int i;
746 	u32 offsetib, offsetob;
747 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
748 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
749 	u32 ib_offset = pm8001_ha->ib_offset;
750 	u32 ob_offset = pm8001_ha->ob_offset;
751 	u32 ci_offset = pm8001_ha->ci_offset;
752 	u32 pi_offset = pm8001_ha->pi_offset;
753 
754 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
755 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
756 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
757 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
758 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
759 							PM8001_EVENT_LOG_SIZE;
760 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
761 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
762 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
763 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
764 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
765 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
766 							PM8001_EVENT_LOG_SIZE;
767 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
768 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
769 
770 	/* Disable end to end CRC checking */
771 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
772 
773 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
774 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
775 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
776 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
777 			pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
778 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
779 		pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
780 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
781 		  (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
782 		pm8001_ha->inbnd_q_tbl[i].total_length		=
783 			pm8001_ha->memoryMap.region[ib_offset + i].total_len;
784 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
785 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
786 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
787 			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
788 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
789 			pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
790 		offsetib = i * 0x20;
791 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
792 			get_pci_bar_index(pm8001_mr32(addressib,
793 				(offsetib + 0x14)));
794 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
795 			pm8001_mr32(addressib, (offsetib + 0x18));
796 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
797 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
798 
799 		pm8001_dbg(pm8001_ha, DEV,
800 			   "IQ %d pi_bar 0x%x pi_offset 0x%x\n", i,
801 			   pm8001_ha->inbnd_q_tbl[i].pi_pci_bar,
802 			   pm8001_ha->inbnd_q_tbl[i].pi_offset);
803 	}
804 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
805 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
806 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
807 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
808 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
809 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
810 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
811 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
812 		  (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
813 		pm8001_ha->outbnd_q_tbl[i].total_length		=
814 			pm8001_ha->memoryMap.region[ob_offset + i].total_len;
815 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
816 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
817 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
818 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
819 		/* interrupt vector based on oq */
820 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
821 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
822 			pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
823 		offsetob = i * 0x24;
824 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
825 			get_pci_bar_index(pm8001_mr32(addressob,
826 			offsetob + 0x14));
827 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
828 			pm8001_mr32(addressob, (offsetob + 0x18));
829 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
830 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
831 
832 		pm8001_dbg(pm8001_ha, DEV,
833 			   "OQ %d ci_bar 0x%x ci_offset 0x%x\n", i,
834 			   pm8001_ha->outbnd_q_tbl[i].ci_pci_bar,
835 			   pm8001_ha->outbnd_q_tbl[i].ci_offset);
836 	}
837 }
838 
839 /**
840  * update_main_config_table - update the main default table to the HBA.
841  * @pm8001_ha: our hba card information
842  */
843 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
844 {
845 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
846 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
847 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
848 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
849 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
850 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
851 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
852 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
853 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
854 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
855 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
856 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
857 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
858 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
859 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
860 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
861 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
862 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
863 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
864 	/* Update Fatal error interrupt vector */
865 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
866 					((pm8001_ha->max_q_num - 1) << 8);
867 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
868 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
869 	pm8001_dbg(pm8001_ha, DEV,
870 		   "Updated Fatal error interrupt vector 0x%x\n",
871 		   pm8001_mr32(address, MAIN_FATAL_ERROR_INTERRUPT));
872 
873 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
874 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
875 
876 	/* SPCv specific */
877 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
878 	/* Set GPIOLED to 0x2 for LED indicator */
879 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
880 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
881 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
882 	pm8001_dbg(pm8001_ha, DEV,
883 		   "Programming DW 0x21 in main cfg table with 0x%x\n",
884 		   pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET));
885 
886 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
887 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
888 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
889 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
890 
891 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
892 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
893 							PORT_RECOVERY_TIMEOUT;
894 	if (pm8001_ha->chip_id == chip_8006) {
895 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
896 					0x0000ffff;
897 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
898 					CHIP_8006_PORT_RECOVERY_TIMEOUT;
899 	}
900 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
901 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
902 }
903 
904 /**
905  * update_inbnd_queue_table - update the inbound queue table to the HBA.
906  * @pm8001_ha: our hba card information
907  * @number: entry in the queue
908  */
909 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
910 					 int number)
911 {
912 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
913 	u16 offset = number * 0x20;
914 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
915 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
916 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
917 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
918 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
919 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
920 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
921 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
922 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
923 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
924 
925 	pm8001_dbg(pm8001_ha, DEV,
926 		   "IQ %d: Element pri size 0x%x\n",
927 		   number,
928 		   pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
929 
930 	pm8001_dbg(pm8001_ha, DEV,
931 		   "IQ upr base addr 0x%x IQ lwr base addr 0x%x\n",
932 		   pm8001_ha->inbnd_q_tbl[number].upper_base_addr,
933 		   pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
934 
935 	pm8001_dbg(pm8001_ha, DEV,
936 		   "CI upper base addr 0x%x CI lower base addr 0x%x\n",
937 		   pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr,
938 		   pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
939 }
940 
941 /**
942  * update_outbnd_queue_table - update the outbound queue table to the HBA.
943  * @pm8001_ha: our hba card information
944  * @number: entry in the queue
945  */
946 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
947 						 int number)
948 {
949 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
950 	u16 offset = number * 0x24;
951 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
952 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
953 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
954 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
955 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
956 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
957 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
958 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
959 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
960 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
961 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
962 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
963 
964 	pm8001_dbg(pm8001_ha, DEV,
965 		   "OQ %d: Element pri size 0x%x\n",
966 		   number,
967 		   pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
968 
969 	pm8001_dbg(pm8001_ha, DEV,
970 		   "OQ upr base addr 0x%x OQ lwr base addr 0x%x\n",
971 		   pm8001_ha->outbnd_q_tbl[number].upper_base_addr,
972 		   pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
973 
974 	pm8001_dbg(pm8001_ha, DEV,
975 		   "PI upper base addr 0x%x PI lower base addr 0x%x\n",
976 		   pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr,
977 		   pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
978 }
979 
980 /**
981  * mpi_init_check - check firmware initialization status.
982  * @pm8001_ha: our hba card information
983  */
984 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
985 {
986 	u32 max_wait_count;
987 	u32 value;
988 	u32 gst_len_mpistate;
989 
990 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
991 	table is updated */
992 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
993 	/* wait until Inbound DoorBell Clear Register toggled */
994 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
995 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
996 	} else {
997 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
998 	}
999 	do {
1000 		msleep(FW_READY_INTERVAL);
1001 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1002 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
1003 	} while ((value != 0) && (--max_wait_count));
1004 
1005 	if (!max_wait_count) {
1006 		/* additional check */
1007 		pm8001_dbg(pm8001_ha, FAIL,
1008 			   "Inb doorbell clear not toggled[value:%x]\n",
1009 			   value);
1010 		return -EBUSY;
1011 	}
1012 	/* check the MPI-State for initialization upto 100ms*/
1013 	max_wait_count = 5;/* 100 msec */
1014 	do {
1015 		msleep(FW_READY_INTERVAL);
1016 		gst_len_mpistate =
1017 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1018 					GST_GSTLEN_MPIS_OFFSET);
1019 	} while ((GST_MPI_STATE_INIT !=
1020 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
1021 	if (!max_wait_count)
1022 		return -EBUSY;
1023 
1024 	/* check MPI Initialization error */
1025 	gst_len_mpistate = gst_len_mpistate >> 16;
1026 	if (0x0000 != gst_len_mpistate)
1027 		return -EBUSY;
1028 
1029 	return 0;
1030 }
1031 
1032 /**
1033  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
1034  * This function sleeps hence it must not be used in atomic context.
1035  * @pm8001_ha: our hba card information
1036  */
1037 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
1038 {
1039 	u32 value;
1040 	u32 max_wait_count;
1041 	u32 max_wait_time;
1042 	u32 expected_mask;
1043 	int ret = 0;
1044 
1045 	/* reset / PCIe ready */
1046 	max_wait_time = max_wait_count = 5;	/* 100 milli sec */
1047 	do {
1048 		msleep(FW_READY_INTERVAL);
1049 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1050 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
1051 
1052 	/* check ila, RAAE and iops status */
1053 	if ((pm8001_ha->chip_id != chip_8008) &&
1054 			(pm8001_ha->chip_id != chip_8009)) {
1055 		max_wait_time = max_wait_count = 180;   /* 3600 milli sec */
1056 		expected_mask = SCRATCH_PAD_ILA_READY |
1057 			SCRATCH_PAD_RAAE_READY |
1058 			SCRATCH_PAD_IOP0_READY |
1059 			SCRATCH_PAD_IOP1_READY;
1060 	} else {
1061 		max_wait_time = max_wait_count = 170;   /* 3400 milli sec */
1062 		expected_mask = SCRATCH_PAD_ILA_READY |
1063 			SCRATCH_PAD_RAAE_READY |
1064 			SCRATCH_PAD_IOP0_READY;
1065 	}
1066 	do {
1067 		msleep(FW_READY_INTERVAL);
1068 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1069 	} while (((value & expected_mask) !=
1070 				 expected_mask) && (--max_wait_count));
1071 	if (!max_wait_count) {
1072 		pm8001_dbg(pm8001_ha, INIT,
1073 		"At least one FW component failed to load within %d millisec: Scratchpad1: 0x%x\n",
1074 			max_wait_time * FW_READY_INTERVAL, value);
1075 		ret = -1;
1076 	} else {
1077 		pm8001_dbg(pm8001_ha, MSG,
1078 			"All FW components ready by %d ms\n",
1079 			(max_wait_time - max_wait_count) * FW_READY_INTERVAL);
1080 	}
1081 	return ret;
1082 }
1083 
1084 static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
1085 {
1086 	void __iomem *base_addr;
1087 	u32	value;
1088 	u32	offset;
1089 	u32	pcibar;
1090 	u32	pcilogic;
1091 
1092 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1093 
1094 	/**
1095 	 * lower 26 bits of SCRATCHPAD0 register describes offset within the
1096 	 * PCIe BAR where the MPI configuration table is present
1097 	 */
1098 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
1099 
1100 	pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
1101 		   offset, value);
1102 	/**
1103 	 * Upper 6 bits describe the offset within PCI config space where BAR
1104 	 * is located.
1105 	 */
1106 	pcilogic = (value & 0xFC000000) >> 26;
1107 	pcibar = get_pci_bar_index(pcilogic);
1108 	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
1109 
1110 	/**
1111 	 * Make sure the offset falls inside the ioremapped PCI BAR
1112 	 */
1113 	if (offset > pm8001_ha->io_mem[pcibar].memsize) {
1114 		pm8001_dbg(pm8001_ha, FAIL,
1115 			"Main cfg tbl offset outside %u > %u\n",
1116 				offset, pm8001_ha->io_mem[pcibar].memsize);
1117 		return -EBUSY;
1118 	}
1119 	pm8001_ha->main_cfg_tbl_addr = base_addr =
1120 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
1121 
1122 	/**
1123 	 * Validate main configuration table address: first DWord should read
1124 	 * "PMCS"
1125 	 */
1126 	value = pm8001_mr32(pm8001_ha->main_cfg_tbl_addr, 0);
1127 	if (memcmp(&value, "PMCS", 4) != 0) {
1128 		pm8001_dbg(pm8001_ha, FAIL,
1129 			"BAD main config signature 0x%x\n",
1130 				value);
1131 		return -EBUSY;
1132 	}
1133 	pm8001_dbg(pm8001_ha, INIT,
1134 			"VALID main config signature 0x%x\n", value);
1135 	pm8001_ha->general_stat_tbl_addr =
1136 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
1137 					0xFFFFFF);
1138 	pm8001_ha->inbnd_q_tbl_addr =
1139 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
1140 					0xFFFFFF);
1141 	pm8001_ha->outbnd_q_tbl_addr =
1142 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
1143 					0xFFFFFF);
1144 	pm8001_ha->ivt_tbl_addr =
1145 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
1146 					0xFFFFFF);
1147 	pm8001_ha->pspa_q_tbl_addr =
1148 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
1149 					0xFFFFFF);
1150 	pm8001_ha->fatal_tbl_addr =
1151 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
1152 					0xFFFFFF);
1153 
1154 	pm8001_dbg(pm8001_ha, INIT, "GST OFFSET 0x%x\n",
1155 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x18));
1156 	pm8001_dbg(pm8001_ha, INIT, "INBND OFFSET 0x%x\n",
1157 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C));
1158 	pm8001_dbg(pm8001_ha, INIT, "OBND OFFSET 0x%x\n",
1159 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x20));
1160 	pm8001_dbg(pm8001_ha, INIT, "IVT OFFSET 0x%x\n",
1161 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C));
1162 	pm8001_dbg(pm8001_ha, INIT, "PSPA OFFSET 0x%x\n",
1163 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x90));
1164 	pm8001_dbg(pm8001_ha, INIT, "addr - main cfg %p general status %p\n",
1165 		   pm8001_ha->main_cfg_tbl_addr,
1166 		   pm8001_ha->general_stat_tbl_addr);
1167 	pm8001_dbg(pm8001_ha, INIT, "addr - inbnd %p obnd %p\n",
1168 		   pm8001_ha->inbnd_q_tbl_addr,
1169 		   pm8001_ha->outbnd_q_tbl_addr);
1170 	pm8001_dbg(pm8001_ha, INIT, "addr - pspa %p ivt %p\n",
1171 		   pm8001_ha->pspa_q_tbl_addr,
1172 		   pm8001_ha->ivt_tbl_addr);
1173 	return 0;
1174 }
1175 
1176 /**
1177  * pm80xx_set_thermal_config - support the thermal configuration
1178  * @pm8001_ha: our hba card information.
1179  */
1180 int
1181 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
1182 {
1183 	struct set_ctrl_cfg_req payload;
1184 	struct inbound_queue_table *circularQ;
1185 	int rc;
1186 	u32 tag;
1187 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1188 	u32 page_code;
1189 
1190 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1191 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1192 	if (rc)
1193 		return -1;
1194 
1195 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1196 	payload.tag = cpu_to_le32(tag);
1197 
1198 	if (IS_SPCV_12G(pm8001_ha->pdev))
1199 		page_code = THERMAL_PAGE_CODE_7H;
1200 	else
1201 		page_code = THERMAL_PAGE_CODE_8H;
1202 
1203 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
1204 				(THERMAL_ENABLE << 8) | page_code;
1205 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
1206 
1207 	pm8001_dbg(pm8001_ha, DEV,
1208 		   "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n",
1209 		   payload.cfg_pg[0], payload.cfg_pg[1]);
1210 
1211 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1212 			sizeof(payload), 0);
1213 	if (rc)
1214 		pm8001_tag_free(pm8001_ha, tag);
1215 	return rc;
1216 
1217 }
1218 
1219 /**
1220 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
1221 * Timer configuration page
1222 * @pm8001_ha: our hba card information.
1223 */
1224 static int
1225 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
1226 {
1227 	struct set_ctrl_cfg_req payload;
1228 	struct inbound_queue_table *circularQ;
1229 	SASProtocolTimerConfig_t SASConfigPage;
1230 	int rc;
1231 	u32 tag;
1232 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1233 
1234 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1235 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
1236 
1237 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1238 
1239 	if (rc)
1240 		return -1;
1241 
1242 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1243 	payload.tag = cpu_to_le32(tag);
1244 
1245 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
1246 	SASConfigPage.MST_MSI         =  3 << 15;
1247 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
1248 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
1249 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
1250 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
1251 
1252 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
1253 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
1254 
1255 
1256 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
1257 						SAS_OPNRJT_RTRY_INTVL;
1258 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
1259 						| SAS_COPNRJT_RTRY_TMO;
1260 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
1261 						| SAS_COPNRJT_RTRY_THR;
1262 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
1263 
1264 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.pageCode 0x%08x\n",
1265 		   SASConfigPage.pageCode);
1266 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MST_MSI  0x%08x\n",
1267 		   SASConfigPage.MST_MSI);
1268 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_SSP_MCT_TMO  0x%08x\n",
1269 		   SASConfigPage.STP_SSP_MCT_TMO);
1270 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_FRM_TMO  0x%08x\n",
1271 		   SASConfigPage.STP_FRM_TMO);
1272 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_IDLE_TMO  0x%08x\n",
1273 		   SASConfigPage.STP_IDLE_TMO);
1274 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.OPNRJT_RTRY_INTVL  0x%08x\n",
1275 		   SASConfigPage.OPNRJT_RTRY_INTVL);
1276 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO  0x%08x\n",
1277 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO);
1278 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR  0x%08x\n",
1279 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR);
1280 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MAX_AIP  0x%08x\n",
1281 		   SASConfigPage.MAX_AIP);
1282 
1283 	memcpy(&payload.cfg_pg, &SASConfigPage,
1284 			 sizeof(SASProtocolTimerConfig_t));
1285 
1286 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1287 			sizeof(payload), 0);
1288 	if (rc)
1289 		pm8001_tag_free(pm8001_ha, tag);
1290 
1291 	return rc;
1292 }
1293 
1294 /**
1295  * pm80xx_get_encrypt_info - Check for encryption
1296  * @pm8001_ha: our hba card information.
1297  */
1298 static int
1299 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
1300 {
1301 	u32 scratch3_value;
1302 	int ret = -1;
1303 
1304 	/* Read encryption status from SCRATCH PAD 3 */
1305 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1306 
1307 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1308 					SCRATCH_PAD3_ENC_READY) {
1309 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1310 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1311 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1312 						SCRATCH_PAD3_SMF_ENABLED)
1313 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1314 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1315 						SCRATCH_PAD3_SMA_ENABLED)
1316 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1317 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1318 						SCRATCH_PAD3_SMB_ENABLED)
1319 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1320 		pm8001_ha->encrypt_info.status = 0;
1321 		pm8001_dbg(pm8001_ha, INIT,
1322 			   "Encryption: SCRATCH_PAD3_ENC_READY 0x%08X.Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1323 			   scratch3_value,
1324 			   pm8001_ha->encrypt_info.cipher_mode,
1325 			   pm8001_ha->encrypt_info.sec_mode,
1326 			   pm8001_ha->encrypt_info.status);
1327 		ret = 0;
1328 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1329 					SCRATCH_PAD3_ENC_DISABLED) {
1330 		pm8001_dbg(pm8001_ha, INIT,
1331 			   "Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1332 			   scratch3_value);
1333 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1334 		pm8001_ha->encrypt_info.cipher_mode = 0;
1335 		pm8001_ha->encrypt_info.sec_mode = 0;
1336 		ret = 0;
1337 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1338 				SCRATCH_PAD3_ENC_DIS_ERR) {
1339 		pm8001_ha->encrypt_info.status =
1340 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1341 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1342 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1343 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1344 					SCRATCH_PAD3_SMF_ENABLED)
1345 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1346 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1347 					SCRATCH_PAD3_SMA_ENABLED)
1348 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1349 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1350 					SCRATCH_PAD3_SMB_ENABLED)
1351 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1352 		pm8001_dbg(pm8001_ha, INIT,
1353 			   "Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1354 			   scratch3_value,
1355 			   pm8001_ha->encrypt_info.cipher_mode,
1356 			   pm8001_ha->encrypt_info.sec_mode,
1357 			   pm8001_ha->encrypt_info.status);
1358 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1359 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1360 
1361 		pm8001_ha->encrypt_info.status =
1362 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1363 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1364 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1365 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1366 					SCRATCH_PAD3_SMF_ENABLED)
1367 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1368 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1369 					SCRATCH_PAD3_SMA_ENABLED)
1370 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1371 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1372 					SCRATCH_PAD3_SMB_ENABLED)
1373 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1374 
1375 		pm8001_dbg(pm8001_ha, INIT,
1376 			   "Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1377 			   scratch3_value,
1378 			   pm8001_ha->encrypt_info.cipher_mode,
1379 			   pm8001_ha->encrypt_info.sec_mode,
1380 			   pm8001_ha->encrypt_info.status);
1381 	}
1382 	return ret;
1383 }
1384 
1385 /**
1386  * pm80xx_encrypt_update - update flash with encryption informtion
1387  * @pm8001_ha: our hba card information.
1388  */
1389 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1390 {
1391 	struct kek_mgmt_req payload;
1392 	struct inbound_queue_table *circularQ;
1393 	int rc;
1394 	u32 tag;
1395 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1396 
1397 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1398 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1399 	if (rc)
1400 		return -1;
1401 
1402 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1403 	payload.tag = cpu_to_le32(tag);
1404 	/* Currently only one key is used. New KEK index is 1.
1405 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1406 	 */
1407 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1408 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1409 
1410 	pm8001_dbg(pm8001_ha, DEV,
1411 		   "Saving Encryption info to flash. payload 0x%x\n",
1412 		   payload.new_curidx_ksop);
1413 
1414 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1415 			sizeof(payload), 0);
1416 	if (rc)
1417 		pm8001_tag_free(pm8001_ha, tag);
1418 
1419 	return rc;
1420 }
1421 
1422 /**
1423  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
1424  * @pm8001_ha: our hba card information
1425  */
1426 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1427 {
1428 	int ret;
1429 	u8 i = 0;
1430 
1431 	/* check the firmware status */
1432 	if (-1 == check_fw_ready(pm8001_ha)) {
1433 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1434 		return -EBUSY;
1435 	}
1436 
1437 	/* Initialize the controller fatal error flag */
1438 	pm8001_ha->controller_fatal_error = false;
1439 
1440 	/* Initialize pci space address eg: mpi offset */
1441 	ret = init_pci_device_addresses(pm8001_ha);
1442 	if (ret) {
1443 		pm8001_dbg(pm8001_ha, FAIL,
1444 			"Failed to init pci addresses");
1445 		return ret;
1446 	}
1447 	init_default_table_values(pm8001_ha);
1448 	read_main_config_table(pm8001_ha);
1449 	read_general_status_table(pm8001_ha);
1450 	read_inbnd_queue_table(pm8001_ha);
1451 	read_outbnd_queue_table(pm8001_ha);
1452 	read_phy_attr_table(pm8001_ha);
1453 
1454 	/* update main config table ,inbound table and outbound table */
1455 	update_main_config_table(pm8001_ha);
1456 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
1457 		update_inbnd_queue_table(pm8001_ha, i);
1458 		update_outbnd_queue_table(pm8001_ha, i);
1459 	}
1460 	/* notify firmware update finished and check initialization status */
1461 	if (0 == mpi_init_check(pm8001_ha)) {
1462 		pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
1463 	} else
1464 		return -EBUSY;
1465 
1466 	/* send SAS protocol timer configuration page to FW */
1467 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1468 
1469 	/* Check for encryption */
1470 	if (pm8001_ha->chip->encrypt) {
1471 		pm8001_dbg(pm8001_ha, INIT, "Checking for encryption\n");
1472 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1473 		if (ret == -1) {
1474 			pm8001_dbg(pm8001_ha, INIT, "Encryption error !!\n");
1475 			if (pm8001_ha->encrypt_info.status == 0x81) {
1476 				pm8001_dbg(pm8001_ha, INIT,
1477 					   "Encryption enabled with error.Saving encryption key to flash\n");
1478 				pm80xx_encrypt_update(pm8001_ha);
1479 			}
1480 		}
1481 	}
1482 	return 0;
1483 }
1484 
1485 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1486 {
1487 	u32 max_wait_count;
1488 	u32 value;
1489 	u32 gst_len_mpistate;
1490 	int ret;
1491 
1492 	ret = init_pci_device_addresses(pm8001_ha);
1493 	if (ret) {
1494 		pm8001_dbg(pm8001_ha, FAIL,
1495 			"Failed to init pci addresses");
1496 		return ret;
1497 	}
1498 
1499 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1500 	table is stop */
1501 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1502 
1503 	/* wait until Inbound DoorBell Clear Register toggled */
1504 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1505 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
1506 	} else {
1507 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1508 	}
1509 	do {
1510 		udelay(1);
1511 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1512 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1513 	} while ((value != 0) && (--max_wait_count));
1514 
1515 	if (!max_wait_count) {
1516 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=%x\n", value);
1517 		return -1;
1518 	}
1519 
1520 	/* check the MPI-State for termination in progress */
1521 	/* wait until Inbound DoorBell Clear Register toggled */
1522 	max_wait_count = 2 * 1000 * 1000;	/* 2 sec for spcv/ve */
1523 	do {
1524 		udelay(1);
1525 		gst_len_mpistate =
1526 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1527 			GST_GSTLEN_MPIS_OFFSET);
1528 		if (GST_MPI_STATE_UNINIT ==
1529 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1530 			break;
1531 	} while (--max_wait_count);
1532 	if (!max_wait_count) {
1533 		pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
1534 			   gst_len_mpistate & GST_MPI_STATE_MASK);
1535 		return -1;
1536 	}
1537 
1538 	return 0;
1539 }
1540 
1541 /**
1542  * pm80xx_fatal_errors - returns non zero *ONLY* when fatal errors
1543  * @pm8001_ha: our hba card information
1544  *
1545  * Fatal errors are recoverable only after a host reboot.
1546  */
1547 int
1548 pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha)
1549 {
1550 	int ret = 0;
1551 	u32 scratch_pad_rsvd0 = pm8001_cr32(pm8001_ha, 0,
1552 					MSGU_HOST_SCRATCH_PAD_6);
1553 	u32 scratch_pad_rsvd1 = pm8001_cr32(pm8001_ha, 0,
1554 					MSGU_HOST_SCRATCH_PAD_7);
1555 	u32 scratch_pad1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1556 	u32 scratch_pad2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1557 	u32 scratch_pad3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1558 
1559 	if (pm8001_ha->chip_id != chip_8006 &&
1560 			pm8001_ha->chip_id != chip_8074 &&
1561 			pm8001_ha->chip_id != chip_8076) {
1562 		return 0;
1563 	}
1564 
1565 	if (MSGU_SCRATCHPAD1_STATE_FATAL_ERROR(scratch_pad1)) {
1566 		pm8001_dbg(pm8001_ha, FAIL,
1567 			"Fatal error SCRATCHPAD1 = 0x%x SCRATCHPAD2 = 0x%x SCRATCHPAD3 = 0x%x SCRATCHPAD_RSVD0 = 0x%x SCRATCHPAD_RSVD1 = 0x%x\n",
1568 				scratch_pad1, scratch_pad2, scratch_pad3,
1569 				scratch_pad_rsvd0, scratch_pad_rsvd1);
1570 		ret = 1;
1571 	}
1572 
1573 	return ret;
1574 }
1575 
1576 /**
1577  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
1578  * the FW register status to the originated status.
1579  * @pm8001_ha: our hba card information
1580  */
1581 
1582 static int
1583 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1584 {
1585 	u32 regval;
1586 	u32 bootloader_state;
1587 	u32 ibutton0, ibutton1;
1588 
1589 	/* Process MPI table uninitialization only if FW is ready */
1590 	if (!pm8001_ha->controller_fatal_error) {
1591 		/* Check if MPI is in ready state to reset */
1592 		if (mpi_uninit_check(pm8001_ha) != 0) {
1593 			u32 r0 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1594 			u32 r1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1595 			u32 r2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1596 			u32 r3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1597 			pm8001_dbg(pm8001_ha, FAIL,
1598 				   "MPI state is not ready scratch: %x:%x:%x:%x\n",
1599 				   r0, r1, r2, r3);
1600 			/* if things aren't ready but the bootloader is ok then
1601 			 * try the reset anyway.
1602 			 */
1603 			if (r1 & SCRATCH_PAD1_BOOTSTATE_MASK)
1604 				return -1;
1605 		}
1606 	}
1607 	/* checked for reset register normal state; 0x0 */
1608 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1609 	pm8001_dbg(pm8001_ha, INIT, "reset register before write : 0x%x\n",
1610 		   regval);
1611 
1612 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1613 	msleep(500);
1614 
1615 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1616 	pm8001_dbg(pm8001_ha, INIT, "reset register after write 0x%x\n",
1617 		   regval);
1618 
1619 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1620 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1621 		pm8001_dbg(pm8001_ha, MSG,
1622 			   " soft reset successful [regval: 0x%x]\n",
1623 			   regval);
1624 	} else {
1625 		pm8001_dbg(pm8001_ha, MSG,
1626 			   " soft reset failed [regval: 0x%x]\n",
1627 			   regval);
1628 
1629 		/* check bootloader is successfully executed or in HDA mode */
1630 		bootloader_state =
1631 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1632 			SCRATCH_PAD1_BOOTSTATE_MASK;
1633 
1634 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1635 			pm8001_dbg(pm8001_ha, MSG,
1636 				   "Bootloader state - HDA mode SEEPROM\n");
1637 		} else if (bootloader_state ==
1638 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1639 			pm8001_dbg(pm8001_ha, MSG,
1640 				   "Bootloader state - HDA mode Bootstrap Pin\n");
1641 		} else if (bootloader_state ==
1642 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1643 			pm8001_dbg(pm8001_ha, MSG,
1644 				   "Bootloader state - HDA mode soft reset\n");
1645 		} else if (bootloader_state ==
1646 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1647 			pm8001_dbg(pm8001_ha, MSG,
1648 				   "Bootloader state-HDA mode critical error\n");
1649 		}
1650 		return -EBUSY;
1651 	}
1652 
1653 	/* check the firmware status after reset */
1654 	if (-1 == check_fw_ready(pm8001_ha)) {
1655 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1656 		/* check iButton feature support for motherboard controller */
1657 		if (pm8001_ha->pdev->subsystem_vendor !=
1658 			PCI_VENDOR_ID_ADAPTEC2 &&
1659 			pm8001_ha->pdev->subsystem_vendor !=
1660 			PCI_VENDOR_ID_ATTO &&
1661 			pm8001_ha->pdev->subsystem_vendor != 0) {
1662 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1663 					MSGU_HOST_SCRATCH_PAD_6);
1664 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1665 					MSGU_HOST_SCRATCH_PAD_7);
1666 			if (!ibutton0 && !ibutton1) {
1667 				pm8001_dbg(pm8001_ha, FAIL,
1668 					   "iButton Feature is not Available!!!\n");
1669 				return -EBUSY;
1670 			}
1671 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1672 				pm8001_dbg(pm8001_ha, FAIL,
1673 					   "CRC Check for iButton Feature Failed!!!\n");
1674 				return -EBUSY;
1675 			}
1676 		}
1677 	}
1678 	pm8001_dbg(pm8001_ha, INIT, "SPCv soft reset Complete\n");
1679 	return 0;
1680 }
1681 
1682 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1683 {
1684 	u32 i;
1685 
1686 	pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1687 
1688 	/* do SPCv chip reset. */
1689 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1690 	pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1691 
1692 	/* Check this ..whether delay is required or no */
1693 	/* delay 10 usec */
1694 	udelay(10);
1695 
1696 	/* wait for 20 msec until the firmware gets reloaded */
1697 	i = 20;
1698 	do {
1699 		mdelay(1);
1700 	} while ((--i) != 0);
1701 
1702 	pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1703 }
1704 
1705 /**
1706  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1707  * @pm8001_ha: our hba card information
1708  */
1709 static void
1710 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1711 {
1712 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1713 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1714 }
1715 
1716 /**
1717  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1718  * @pm8001_ha: our hba card information
1719  */
1720 static void
1721 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1722 {
1723 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1724 }
1725 
1726 /**
1727  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1728  * @pm8001_ha: our hba card information
1729  * @vec: interrupt number to enable
1730  */
1731 static void
1732 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1733 {
1734 #ifdef PM8001_USE_MSIX
1735 	u32 mask;
1736 	mask = (u32)(1 << vec);
1737 
1738 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1739 	return;
1740 #endif
1741 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1742 
1743 }
1744 
1745 /**
1746  * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1747  * @pm8001_ha: our hba card information
1748  * @vec: interrupt number to disable
1749  */
1750 static void
1751 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1752 {
1753 #ifdef PM8001_USE_MSIX
1754 	u32 mask;
1755 	if (vec == 0xFF)
1756 		mask = 0xFFFFFFFF;
1757 	else
1758 		mask = (u32)(1 << vec);
1759 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1760 	return;
1761 #endif
1762 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1763 }
1764 
1765 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1766 		struct pm8001_device *pm8001_ha_dev)
1767 {
1768 	int res;
1769 	u32 ccb_tag;
1770 	struct pm8001_ccb_info *ccb;
1771 	struct sas_task *task = NULL;
1772 	struct task_abort_req task_abort;
1773 	struct inbound_queue_table *circularQ;
1774 	u32 opc = OPC_INB_SATA_ABORT;
1775 	int ret;
1776 
1777 	if (!pm8001_ha_dev) {
1778 		pm8001_dbg(pm8001_ha, FAIL, "dev is null\n");
1779 		return;
1780 	}
1781 
1782 	task = sas_alloc_slow_task(GFP_ATOMIC);
1783 
1784 	if (!task) {
1785 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1786 		return;
1787 	}
1788 
1789 	task->task_done = pm8001_task_done;
1790 
1791 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1792 	if (res) {
1793 		sas_free_task(task);
1794 		return;
1795 	}
1796 
1797 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1798 	ccb->device = pm8001_ha_dev;
1799 	ccb->ccb_tag = ccb_tag;
1800 	ccb->task = task;
1801 
1802 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1803 
1804 	memset(&task_abort, 0, sizeof(task_abort));
1805 	task_abort.abort_all = cpu_to_le32(1);
1806 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1807 	task_abort.tag = cpu_to_le32(ccb_tag);
1808 
1809 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
1810 			sizeof(task_abort), 0);
1811 	pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n");
1812 	if (ret) {
1813 		sas_free_task(task);
1814 		pm8001_tag_free(pm8001_ha, ccb_tag);
1815 	}
1816 }
1817 
1818 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1819 		struct pm8001_device *pm8001_ha_dev)
1820 {
1821 	struct sata_start_req sata_cmd;
1822 	int res;
1823 	u32 ccb_tag;
1824 	struct pm8001_ccb_info *ccb;
1825 	struct sas_task *task = NULL;
1826 	struct host_to_dev_fis fis;
1827 	struct domain_device *dev;
1828 	struct inbound_queue_table *circularQ;
1829 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1830 
1831 	task = sas_alloc_slow_task(GFP_ATOMIC);
1832 
1833 	if (!task) {
1834 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1835 		return;
1836 	}
1837 	task->task_done = pm8001_task_done;
1838 
1839 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1840 	if (res) {
1841 		sas_free_task(task);
1842 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate tag !!!\n");
1843 		return;
1844 	}
1845 
1846 	/* allocate domain device by ourselves as libsas
1847 	 * is not going to provide any
1848 	*/
1849 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1850 	if (!dev) {
1851 		sas_free_task(task);
1852 		pm8001_tag_free(pm8001_ha, ccb_tag);
1853 		pm8001_dbg(pm8001_ha, FAIL,
1854 			   "Domain device cannot be allocated\n");
1855 		return;
1856 	}
1857 
1858 	task->dev = dev;
1859 	task->dev->lldd_dev = pm8001_ha_dev;
1860 
1861 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1862 	ccb->device = pm8001_ha_dev;
1863 	ccb->ccb_tag = ccb_tag;
1864 	ccb->task = task;
1865 	ccb->n_elem = 0;
1866 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1867 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1868 
1869 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1870 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1871 
1872 	/* construct read log FIS */
1873 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1874 	fis.fis_type = 0x27;
1875 	fis.flags = 0x80;
1876 	fis.command = ATA_CMD_READ_LOG_EXT;
1877 	fis.lbal = 0x10;
1878 	fis.sector_count = 0x1;
1879 
1880 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1881 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1882 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1883 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1884 
1885 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd,
1886 			sizeof(sata_cmd), 0);
1887 	pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n");
1888 	if (res) {
1889 		sas_free_task(task);
1890 		pm8001_tag_free(pm8001_ha, ccb_tag);
1891 		kfree(dev);
1892 	}
1893 }
1894 
1895 /**
1896  * mpi_ssp_completion- process the event that FW response to the SSP request.
1897  * @pm8001_ha: our hba card information
1898  * @piomb: the message contents of this outbound message.
1899  *
1900  * When FW has completed a ssp request for example a IO request, after it has
1901  * filled the SG data with the data, it will trigger this event represent
1902  * that he has finished the job,please check the coresponding buffer.
1903  * So we will tell the caller who maybe waiting the result to tell upper layer
1904  * that the task has been finished.
1905  */
1906 static void
1907 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1908 {
1909 	struct sas_task *t;
1910 	struct pm8001_ccb_info *ccb;
1911 	unsigned long flags;
1912 	u32 status;
1913 	u32 param;
1914 	u32 tag;
1915 	struct ssp_completion_resp *psspPayload;
1916 	struct task_status_struct *ts;
1917 	struct ssp_response_iu *iu;
1918 	struct pm8001_device *pm8001_dev;
1919 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1920 	status = le32_to_cpu(psspPayload->status);
1921 	tag = le32_to_cpu(psspPayload->tag);
1922 	ccb = &pm8001_ha->ccb_info[tag];
1923 	if ((status == IO_ABORTED) && ccb->open_retry) {
1924 		/* Being completed by another */
1925 		ccb->open_retry = 0;
1926 		return;
1927 	}
1928 	pm8001_dev = ccb->device;
1929 	param = le32_to_cpu(psspPayload->param);
1930 	t = ccb->task;
1931 
1932 	if (status && status != IO_UNDERFLOW)
1933 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1934 	if (unlikely(!t || !t->lldd_task || !t->dev))
1935 		return;
1936 	ts = &t->task_status;
1937 
1938 	pm8001_dbg(pm8001_ha, DEV,
1939 		   "tag::0x%x, status::0x%x task::0x%p\n", tag, status, t);
1940 
1941 	/* Print sas address of IO failed device */
1942 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1943 		(status != IO_UNDERFLOW))
1944 		pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1945 			   SAS_ADDR(t->dev->sas_addr));
1946 
1947 	switch (status) {
1948 	case IO_SUCCESS:
1949 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS ,param = 0x%x\n",
1950 			   param);
1951 		if (param == 0) {
1952 			ts->resp = SAS_TASK_COMPLETE;
1953 			ts->stat = SAM_STAT_GOOD;
1954 		} else {
1955 			ts->resp = SAS_TASK_COMPLETE;
1956 			ts->stat = SAS_PROTO_RESPONSE;
1957 			ts->residual = param;
1958 			iu = &psspPayload->ssp_resp_iu;
1959 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1960 		}
1961 		if (pm8001_dev)
1962 			atomic_dec(&pm8001_dev->running_req);
1963 		break;
1964 	case IO_ABORTED:
1965 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1966 		ts->resp = SAS_TASK_COMPLETE;
1967 		ts->stat = SAS_ABORTED_TASK;
1968 		if (pm8001_dev)
1969 			atomic_dec(&pm8001_dev->running_req);
1970 		break;
1971 	case IO_UNDERFLOW:
1972 		/* SSP Completion with error */
1973 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW ,param = 0x%x\n",
1974 			   param);
1975 		ts->resp = SAS_TASK_COMPLETE;
1976 		ts->stat = SAS_DATA_UNDERRUN;
1977 		ts->residual = param;
1978 		if (pm8001_dev)
1979 			atomic_dec(&pm8001_dev->running_req);
1980 		break;
1981 	case IO_NO_DEVICE:
1982 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1983 		ts->resp = SAS_TASK_UNDELIVERED;
1984 		ts->stat = SAS_PHY_DOWN;
1985 		if (pm8001_dev)
1986 			atomic_dec(&pm8001_dev->running_req);
1987 		break;
1988 	case IO_XFER_ERROR_BREAK:
1989 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1990 		ts->resp = SAS_TASK_COMPLETE;
1991 		ts->stat = SAS_OPEN_REJECT;
1992 		/* Force the midlayer to retry */
1993 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1994 		if (pm8001_dev)
1995 			atomic_dec(&pm8001_dev->running_req);
1996 		break;
1997 	case IO_XFER_ERROR_PHY_NOT_READY:
1998 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1999 		ts->resp = SAS_TASK_COMPLETE;
2000 		ts->stat = SAS_OPEN_REJECT;
2001 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2002 		if (pm8001_dev)
2003 			atomic_dec(&pm8001_dev->running_req);
2004 		break;
2005 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
2006 		pm8001_dbg(pm8001_ha, IO,
2007 			   "IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n");
2008 		ts->resp = SAS_TASK_COMPLETE;
2009 		ts->stat = SAS_OPEN_REJECT;
2010 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2011 		if (pm8001_dev)
2012 			atomic_dec(&pm8001_dev->running_req);
2013 		break;
2014 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2015 		pm8001_dbg(pm8001_ha, IO,
2016 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2017 		ts->resp = SAS_TASK_COMPLETE;
2018 		ts->stat = SAS_OPEN_REJECT;
2019 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2020 		if (pm8001_dev)
2021 			atomic_dec(&pm8001_dev->running_req);
2022 		break;
2023 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2024 		pm8001_dbg(pm8001_ha, IO,
2025 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2026 		ts->resp = SAS_TASK_COMPLETE;
2027 		ts->stat = SAS_OPEN_REJECT;
2028 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2029 		if (pm8001_dev)
2030 			atomic_dec(&pm8001_dev->running_req);
2031 		break;
2032 	case IO_OPEN_CNX_ERROR_BREAK:
2033 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2034 		ts->resp = SAS_TASK_COMPLETE;
2035 		ts->stat = SAS_OPEN_REJECT;
2036 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2037 		if (pm8001_dev)
2038 			atomic_dec(&pm8001_dev->running_req);
2039 		break;
2040 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2041 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2042 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2043 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2044 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2045 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2046 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2047 		ts->resp = SAS_TASK_COMPLETE;
2048 		ts->stat = SAS_OPEN_REJECT;
2049 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2050 		if (!t->uldd_task)
2051 			pm8001_handle_event(pm8001_ha,
2052 				pm8001_dev,
2053 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2054 		break;
2055 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2056 		pm8001_dbg(pm8001_ha, IO,
2057 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2058 		ts->resp = SAS_TASK_COMPLETE;
2059 		ts->stat = SAS_OPEN_REJECT;
2060 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2061 		if (pm8001_dev)
2062 			atomic_dec(&pm8001_dev->running_req);
2063 		break;
2064 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2065 		pm8001_dbg(pm8001_ha, IO,
2066 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2067 		ts->resp = SAS_TASK_COMPLETE;
2068 		ts->stat = SAS_OPEN_REJECT;
2069 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2070 		if (pm8001_dev)
2071 			atomic_dec(&pm8001_dev->running_req);
2072 		break;
2073 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2074 		pm8001_dbg(pm8001_ha, IO,
2075 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2076 		ts->resp = SAS_TASK_UNDELIVERED;
2077 		ts->stat = SAS_OPEN_REJECT;
2078 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2079 		if (pm8001_dev)
2080 			atomic_dec(&pm8001_dev->running_req);
2081 		break;
2082 	case IO_XFER_ERROR_NAK_RECEIVED:
2083 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2084 		ts->resp = SAS_TASK_COMPLETE;
2085 		ts->stat = SAS_OPEN_REJECT;
2086 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2087 		if (pm8001_dev)
2088 			atomic_dec(&pm8001_dev->running_req);
2089 		break;
2090 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2091 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2092 		ts->resp = SAS_TASK_COMPLETE;
2093 		ts->stat = SAS_NAK_R_ERR;
2094 		if (pm8001_dev)
2095 			atomic_dec(&pm8001_dev->running_req);
2096 		break;
2097 	case IO_XFER_ERROR_DMA:
2098 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2099 		ts->resp = SAS_TASK_COMPLETE;
2100 		ts->stat = SAS_OPEN_REJECT;
2101 		if (pm8001_dev)
2102 			atomic_dec(&pm8001_dev->running_req);
2103 		break;
2104 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2105 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2106 		ts->resp = SAS_TASK_COMPLETE;
2107 		ts->stat = SAS_OPEN_REJECT;
2108 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2109 		if (pm8001_dev)
2110 			atomic_dec(&pm8001_dev->running_req);
2111 		break;
2112 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2113 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2114 		ts->resp = SAS_TASK_COMPLETE;
2115 		ts->stat = SAS_OPEN_REJECT;
2116 		if (pm8001_dev)
2117 			atomic_dec(&pm8001_dev->running_req);
2118 		break;
2119 	case IO_PORT_IN_RESET:
2120 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2121 		ts->resp = SAS_TASK_COMPLETE;
2122 		ts->stat = SAS_OPEN_REJECT;
2123 		if (pm8001_dev)
2124 			atomic_dec(&pm8001_dev->running_req);
2125 		break;
2126 	case IO_DS_NON_OPERATIONAL:
2127 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2128 		ts->resp = SAS_TASK_COMPLETE;
2129 		ts->stat = SAS_OPEN_REJECT;
2130 		if (!t->uldd_task)
2131 			pm8001_handle_event(pm8001_ha,
2132 				pm8001_dev,
2133 				IO_DS_NON_OPERATIONAL);
2134 		break;
2135 	case IO_DS_IN_RECOVERY:
2136 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2137 		ts->resp = SAS_TASK_COMPLETE;
2138 		ts->stat = SAS_OPEN_REJECT;
2139 		if (pm8001_dev)
2140 			atomic_dec(&pm8001_dev->running_req);
2141 		break;
2142 	case IO_TM_TAG_NOT_FOUND:
2143 		pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2144 		ts->resp = SAS_TASK_COMPLETE;
2145 		ts->stat = SAS_OPEN_REJECT;
2146 		if (pm8001_dev)
2147 			atomic_dec(&pm8001_dev->running_req);
2148 		break;
2149 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2150 		pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2151 		ts->resp = SAS_TASK_COMPLETE;
2152 		ts->stat = SAS_OPEN_REJECT;
2153 		if (pm8001_dev)
2154 			atomic_dec(&pm8001_dev->running_req);
2155 		break;
2156 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2157 		pm8001_dbg(pm8001_ha, IO,
2158 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2159 		ts->resp = SAS_TASK_COMPLETE;
2160 		ts->stat = SAS_OPEN_REJECT;
2161 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2162 		if (pm8001_dev)
2163 			atomic_dec(&pm8001_dev->running_req);
2164 		break;
2165 	default:
2166 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2167 		/* not allowed case. Therefore, return failed status */
2168 		ts->resp = SAS_TASK_COMPLETE;
2169 		ts->stat = SAS_OPEN_REJECT;
2170 		if (pm8001_dev)
2171 			atomic_dec(&pm8001_dev->running_req);
2172 		break;
2173 	}
2174 	pm8001_dbg(pm8001_ha, IO, "scsi_status = 0x%x\n ",
2175 		   psspPayload->ssp_resp_iu.status);
2176 	spin_lock_irqsave(&t->task_state_lock, flags);
2177 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2178 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2179 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2180 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2181 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2182 		pm8001_dbg(pm8001_ha, FAIL,
2183 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2184 			   t, status, ts->resp, ts->stat);
2185 		if (t->slow_task)
2186 			complete(&t->slow_task->completion);
2187 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2188 	} else {
2189 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2190 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2191 		mb();/* in order to force CPU ordering */
2192 		t->task_done(t);
2193 	}
2194 }
2195 
2196 /*See the comments for mpi_ssp_completion */
2197 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2198 {
2199 	struct sas_task *t;
2200 	unsigned long flags;
2201 	struct task_status_struct *ts;
2202 	struct pm8001_ccb_info *ccb;
2203 	struct pm8001_device *pm8001_dev;
2204 	struct ssp_event_resp *psspPayload =
2205 		(struct ssp_event_resp *)(piomb + 4);
2206 	u32 event = le32_to_cpu(psspPayload->event);
2207 	u32 tag = le32_to_cpu(psspPayload->tag);
2208 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2209 
2210 	ccb = &pm8001_ha->ccb_info[tag];
2211 	t = ccb->task;
2212 	pm8001_dev = ccb->device;
2213 	if (event)
2214 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2215 	if (unlikely(!t || !t->lldd_task || !t->dev))
2216 		return;
2217 	ts = &t->task_status;
2218 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2219 		   port_id, tag, event);
2220 	switch (event) {
2221 	case IO_OVERFLOW:
2222 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2223 		ts->resp = SAS_TASK_COMPLETE;
2224 		ts->stat = SAS_DATA_OVERRUN;
2225 		ts->residual = 0;
2226 		if (pm8001_dev)
2227 			atomic_dec(&pm8001_dev->running_req);
2228 		break;
2229 	case IO_XFER_ERROR_BREAK:
2230 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2231 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2232 		return;
2233 	case IO_XFER_ERROR_PHY_NOT_READY:
2234 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2235 		ts->resp = SAS_TASK_COMPLETE;
2236 		ts->stat = SAS_OPEN_REJECT;
2237 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2238 		break;
2239 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2240 		pm8001_dbg(pm8001_ha, IO,
2241 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2242 		ts->resp = SAS_TASK_COMPLETE;
2243 		ts->stat = SAS_OPEN_REJECT;
2244 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2245 		break;
2246 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2247 		pm8001_dbg(pm8001_ha, IO,
2248 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2249 		ts->resp = SAS_TASK_COMPLETE;
2250 		ts->stat = SAS_OPEN_REJECT;
2251 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2252 		break;
2253 	case IO_OPEN_CNX_ERROR_BREAK:
2254 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2255 		ts->resp = SAS_TASK_COMPLETE;
2256 		ts->stat = SAS_OPEN_REJECT;
2257 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2258 		break;
2259 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2260 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2261 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2262 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2263 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2264 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2265 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2266 		ts->resp = SAS_TASK_COMPLETE;
2267 		ts->stat = SAS_OPEN_REJECT;
2268 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2269 		if (!t->uldd_task)
2270 			pm8001_handle_event(pm8001_ha,
2271 				pm8001_dev,
2272 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2273 		break;
2274 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2275 		pm8001_dbg(pm8001_ha, IO,
2276 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2277 		ts->resp = SAS_TASK_COMPLETE;
2278 		ts->stat = SAS_OPEN_REJECT;
2279 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2280 		break;
2281 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2282 		pm8001_dbg(pm8001_ha, IO,
2283 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2284 		ts->resp = SAS_TASK_COMPLETE;
2285 		ts->stat = SAS_OPEN_REJECT;
2286 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2287 		break;
2288 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2289 		pm8001_dbg(pm8001_ha, IO,
2290 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2291 		ts->resp = SAS_TASK_COMPLETE;
2292 		ts->stat = SAS_OPEN_REJECT;
2293 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2294 		break;
2295 	case IO_XFER_ERROR_NAK_RECEIVED:
2296 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2297 		ts->resp = SAS_TASK_COMPLETE;
2298 		ts->stat = SAS_OPEN_REJECT;
2299 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2300 		break;
2301 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2302 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2303 		ts->resp = SAS_TASK_COMPLETE;
2304 		ts->stat = SAS_NAK_R_ERR;
2305 		break;
2306 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2307 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2308 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2309 		return;
2310 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2311 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2312 		ts->resp = SAS_TASK_COMPLETE;
2313 		ts->stat = SAS_DATA_OVERRUN;
2314 		break;
2315 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2316 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2317 		ts->resp = SAS_TASK_COMPLETE;
2318 		ts->stat = SAS_DATA_OVERRUN;
2319 		break;
2320 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2321 		pm8001_dbg(pm8001_ha, IO,
2322 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2323 		ts->resp = SAS_TASK_COMPLETE;
2324 		ts->stat = SAS_DATA_OVERRUN;
2325 		break;
2326 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2327 		pm8001_dbg(pm8001_ha, IO,
2328 			   "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2329 		ts->resp = SAS_TASK_COMPLETE;
2330 		ts->stat = SAS_DATA_OVERRUN;
2331 		break;
2332 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2333 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2334 		ts->resp = SAS_TASK_COMPLETE;
2335 		ts->stat = SAS_DATA_OVERRUN;
2336 		break;
2337 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2338 		pm8001_dbg(pm8001_ha, IO,
2339 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2340 		ts->resp = SAS_TASK_COMPLETE;
2341 		ts->stat = SAS_DATA_OVERRUN;
2342 		break;
2343 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2344 		pm8001_dbg(pm8001_ha, IOERR,
2345 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2346 		/* TBC: used default set values */
2347 		ts->resp = SAS_TASK_COMPLETE;
2348 		ts->stat = SAS_DATA_OVERRUN;
2349 		break;
2350 	case IO_XFER_CMD_FRAME_ISSUED:
2351 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2352 		return;
2353 	default:
2354 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2355 		/* not allowed case. Therefore, return failed status */
2356 		ts->resp = SAS_TASK_COMPLETE;
2357 		ts->stat = SAS_DATA_OVERRUN;
2358 		break;
2359 	}
2360 	spin_lock_irqsave(&t->task_state_lock, flags);
2361 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2362 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2363 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2364 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2365 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2366 		pm8001_dbg(pm8001_ha, FAIL,
2367 			   "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2368 			   t, event, ts->resp, ts->stat);
2369 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2370 	} else {
2371 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2372 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2373 		mb();/* in order to force CPU ordering */
2374 		t->task_done(t);
2375 	}
2376 }
2377 
2378 /*See the comments for mpi_ssp_completion */
2379 static void
2380 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2381 {
2382 	struct sas_task *t;
2383 	struct pm8001_ccb_info *ccb;
2384 	u32 param;
2385 	u32 status;
2386 	u32 tag;
2387 	int i, j;
2388 	u8 sata_addr_low[4];
2389 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2390 	u8 sata_addr_hi[4];
2391 	struct sata_completion_resp *psataPayload;
2392 	struct task_status_struct *ts;
2393 	struct ata_task_resp *resp ;
2394 	u32 *sata_resp;
2395 	struct pm8001_device *pm8001_dev;
2396 	unsigned long flags;
2397 
2398 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2399 	status = le32_to_cpu(psataPayload->status);
2400 	tag = le32_to_cpu(psataPayload->tag);
2401 
2402 	if (!tag) {
2403 		pm8001_dbg(pm8001_ha, FAIL, "tag null\n");
2404 		return;
2405 	}
2406 	ccb = &pm8001_ha->ccb_info[tag];
2407 	param = le32_to_cpu(psataPayload->param);
2408 	if (ccb) {
2409 		t = ccb->task;
2410 		pm8001_dev = ccb->device;
2411 	} else {
2412 		pm8001_dbg(pm8001_ha, FAIL, "ccb null\n");
2413 		return;
2414 	}
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 	if (!ts) {
2432 		pm8001_dbg(pm8001_ha, FAIL, "ts null\n");
2433 		return;
2434 	}
2435 
2436 	if (status != IO_SUCCESS) {
2437 		pm8001_dbg(pm8001_ha, FAIL,
2438 			"IO failed device_id %u status 0x%x tag %d\n",
2439 			pm8001_dev->device_id, status, tag);
2440 	}
2441 
2442 	/* Print sas address of IO failed device */
2443 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2444 		(status != IO_UNDERFLOW)) {
2445 		if (!((t->dev->parent) &&
2446 			(dev_is_expander(t->dev->parent->dev_type)))) {
2447 			for (i = 0 , j = 4; i <= 3 && j <= 7; i++ , j++)
2448 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2449 			for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
2450 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2451 			memcpy(&temp_sata_addr_low, sata_addr_low,
2452 				sizeof(sata_addr_low));
2453 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2454 				sizeof(sata_addr_hi));
2455 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2456 						|((temp_sata_addr_hi << 8) &
2457 						0xff0000) |
2458 						((temp_sata_addr_hi >> 8)
2459 						& 0xff00) |
2460 						((temp_sata_addr_hi << 24) &
2461 						0xff000000));
2462 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2463 						& 0xff) |
2464 						((temp_sata_addr_low << 8)
2465 						& 0xff0000) |
2466 						((temp_sata_addr_low >> 8)
2467 						& 0xff00) |
2468 						((temp_sata_addr_low << 24)
2469 						& 0xff000000)) +
2470 						pm8001_dev->attached_phy +
2471 						0x10);
2472 			pm8001_dbg(pm8001_ha, FAIL,
2473 				   "SAS Address of IO Failure Drive:%08x%08x\n",
2474 				   temp_sata_addr_hi,
2475 				   temp_sata_addr_low);
2476 
2477 		} else {
2478 			pm8001_dbg(pm8001_ha, FAIL,
2479 				   "SAS Address of IO Failure Drive:%016llx\n",
2480 				   SAS_ADDR(t->dev->sas_addr));
2481 		}
2482 	}
2483 	switch (status) {
2484 	case IO_SUCCESS:
2485 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2486 		if (param == 0) {
2487 			ts->resp = SAS_TASK_COMPLETE;
2488 			ts->stat = SAM_STAT_GOOD;
2489 			/* check if response is for SEND READ LOG */
2490 			if (pm8001_dev &&
2491 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2492 				/* set new bit for abort_all */
2493 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2494 				/* clear bit for read log */
2495 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2496 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2497 				/* Free the tag */
2498 				pm8001_tag_free(pm8001_ha, tag);
2499 				sas_free_task(t);
2500 				return;
2501 			}
2502 		} else {
2503 			u8 len;
2504 			ts->resp = SAS_TASK_COMPLETE;
2505 			ts->stat = SAS_PROTO_RESPONSE;
2506 			ts->residual = param;
2507 			pm8001_dbg(pm8001_ha, IO,
2508 				   "SAS_PROTO_RESPONSE len = %d\n",
2509 				   param);
2510 			sata_resp = &psataPayload->sata_resp[0];
2511 			resp = (struct ata_task_resp *)ts->buf;
2512 			if (t->ata_task.dma_xfer == 0 &&
2513 			    t->data_dir == DMA_FROM_DEVICE) {
2514 				len = sizeof(struct pio_setup_fis);
2515 				pm8001_dbg(pm8001_ha, IO,
2516 					   "PIO read len = %d\n", len);
2517 			} else if (t->ata_task.use_ncq) {
2518 				len = sizeof(struct set_dev_bits_fis);
2519 				pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2520 					   len);
2521 			} else {
2522 				len = sizeof(struct dev_to_host_fis);
2523 				pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2524 					   len);
2525 			}
2526 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2527 				resp->frame_len = len;
2528 				memcpy(&resp->ending_fis[0], sata_resp, len);
2529 				ts->buf_valid_size = sizeof(*resp);
2530 			} else
2531 				pm8001_dbg(pm8001_ha, IO,
2532 					   "response too large\n");
2533 		}
2534 		if (pm8001_dev)
2535 			atomic_dec(&pm8001_dev->running_req);
2536 		break;
2537 	case IO_ABORTED:
2538 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2539 		ts->resp = SAS_TASK_COMPLETE;
2540 		ts->stat = SAS_ABORTED_TASK;
2541 		if (pm8001_dev)
2542 			atomic_dec(&pm8001_dev->running_req);
2543 		break;
2544 		/* following cases are to do cases */
2545 	case IO_UNDERFLOW:
2546 		/* SATA Completion with error */
2547 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2548 		ts->resp = SAS_TASK_COMPLETE;
2549 		ts->stat = SAS_DATA_UNDERRUN;
2550 		ts->residual = param;
2551 		if (pm8001_dev)
2552 			atomic_dec(&pm8001_dev->running_req);
2553 		break;
2554 	case IO_NO_DEVICE:
2555 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2556 		ts->resp = SAS_TASK_UNDELIVERED;
2557 		ts->stat = SAS_PHY_DOWN;
2558 		if (pm8001_dev)
2559 			atomic_dec(&pm8001_dev->running_req);
2560 		break;
2561 	case IO_XFER_ERROR_BREAK:
2562 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2563 		ts->resp = SAS_TASK_COMPLETE;
2564 		ts->stat = SAS_INTERRUPTED;
2565 		if (pm8001_dev)
2566 			atomic_dec(&pm8001_dev->running_req);
2567 		break;
2568 	case IO_XFER_ERROR_PHY_NOT_READY:
2569 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2570 		ts->resp = SAS_TASK_COMPLETE;
2571 		ts->stat = SAS_OPEN_REJECT;
2572 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2573 		if (pm8001_dev)
2574 			atomic_dec(&pm8001_dev->running_req);
2575 		break;
2576 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2577 		pm8001_dbg(pm8001_ha, IO,
2578 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2579 		ts->resp = SAS_TASK_COMPLETE;
2580 		ts->stat = SAS_OPEN_REJECT;
2581 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2582 		if (pm8001_dev)
2583 			atomic_dec(&pm8001_dev->running_req);
2584 		break;
2585 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2586 		pm8001_dbg(pm8001_ha, IO,
2587 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2588 		ts->resp = SAS_TASK_COMPLETE;
2589 		ts->stat = SAS_OPEN_REJECT;
2590 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2591 		if (pm8001_dev)
2592 			atomic_dec(&pm8001_dev->running_req);
2593 		break;
2594 	case IO_OPEN_CNX_ERROR_BREAK:
2595 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2596 		ts->resp = SAS_TASK_COMPLETE;
2597 		ts->stat = SAS_OPEN_REJECT;
2598 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2599 		if (pm8001_dev)
2600 			atomic_dec(&pm8001_dev->running_req);
2601 		break;
2602 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2603 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2604 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2605 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2606 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2607 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2608 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2609 		ts->resp = SAS_TASK_COMPLETE;
2610 		ts->stat = SAS_DEV_NO_RESPONSE;
2611 		if (!t->uldd_task) {
2612 			pm8001_handle_event(pm8001_ha,
2613 				pm8001_dev,
2614 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2615 			ts->resp = SAS_TASK_UNDELIVERED;
2616 			ts->stat = SAS_QUEUE_FULL;
2617 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
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 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2634 			return;
2635 		}
2636 		break;
2637 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2638 		pm8001_dbg(pm8001_ha, IO,
2639 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2640 		ts->resp = SAS_TASK_COMPLETE;
2641 		ts->stat = SAS_OPEN_REJECT;
2642 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2643 		if (pm8001_dev)
2644 			atomic_dec(&pm8001_dev->running_req);
2645 		break;
2646 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2647 		pm8001_dbg(pm8001_ha, IO,
2648 			   "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2649 		ts->resp = SAS_TASK_COMPLETE;
2650 		ts->stat = SAS_DEV_NO_RESPONSE;
2651 		if (!t->uldd_task) {
2652 			pm8001_handle_event(pm8001_ha,
2653 				pm8001_dev,
2654 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2655 			ts->resp = SAS_TASK_UNDELIVERED;
2656 			ts->stat = SAS_QUEUE_FULL;
2657 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2658 			return;
2659 		}
2660 		break;
2661 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2662 		pm8001_dbg(pm8001_ha, IO,
2663 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2664 		ts->resp = SAS_TASK_COMPLETE;
2665 		ts->stat = SAS_OPEN_REJECT;
2666 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2667 		if (pm8001_dev)
2668 			atomic_dec(&pm8001_dev->running_req);
2669 		break;
2670 	case IO_XFER_ERROR_NAK_RECEIVED:
2671 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2672 		ts->resp = SAS_TASK_COMPLETE;
2673 		ts->stat = SAS_NAK_R_ERR;
2674 		if (pm8001_dev)
2675 			atomic_dec(&pm8001_dev->running_req);
2676 		break;
2677 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2678 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2679 		ts->resp = SAS_TASK_COMPLETE;
2680 		ts->stat = SAS_NAK_R_ERR;
2681 		if (pm8001_dev)
2682 			atomic_dec(&pm8001_dev->running_req);
2683 		break;
2684 	case IO_XFER_ERROR_DMA:
2685 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2686 		ts->resp = SAS_TASK_COMPLETE;
2687 		ts->stat = SAS_ABORTED_TASK;
2688 		if (pm8001_dev)
2689 			atomic_dec(&pm8001_dev->running_req);
2690 		break;
2691 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2692 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2693 		ts->resp = SAS_TASK_UNDELIVERED;
2694 		ts->stat = SAS_DEV_NO_RESPONSE;
2695 		if (pm8001_dev)
2696 			atomic_dec(&pm8001_dev->running_req);
2697 		break;
2698 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2699 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2700 		ts->resp = SAS_TASK_COMPLETE;
2701 		ts->stat = SAS_DATA_UNDERRUN;
2702 		if (pm8001_dev)
2703 			atomic_dec(&pm8001_dev->running_req);
2704 		break;
2705 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2706 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2707 		ts->resp = SAS_TASK_COMPLETE;
2708 		ts->stat = SAS_OPEN_TO;
2709 		if (pm8001_dev)
2710 			atomic_dec(&pm8001_dev->running_req);
2711 		break;
2712 	case IO_PORT_IN_RESET:
2713 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2714 		ts->resp = SAS_TASK_COMPLETE;
2715 		ts->stat = SAS_DEV_NO_RESPONSE;
2716 		if (pm8001_dev)
2717 			atomic_dec(&pm8001_dev->running_req);
2718 		break;
2719 	case IO_DS_NON_OPERATIONAL:
2720 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2721 		ts->resp = SAS_TASK_COMPLETE;
2722 		ts->stat = SAS_DEV_NO_RESPONSE;
2723 		if (!t->uldd_task) {
2724 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2725 					IO_DS_NON_OPERATIONAL);
2726 			ts->resp = SAS_TASK_UNDELIVERED;
2727 			ts->stat = SAS_QUEUE_FULL;
2728 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2729 			return;
2730 		}
2731 		break;
2732 	case IO_DS_IN_RECOVERY:
2733 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2734 		ts->resp = SAS_TASK_COMPLETE;
2735 		ts->stat = SAS_DEV_NO_RESPONSE;
2736 		if (pm8001_dev)
2737 			atomic_dec(&pm8001_dev->running_req);
2738 		break;
2739 	case IO_DS_IN_ERROR:
2740 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2741 		ts->resp = SAS_TASK_COMPLETE;
2742 		ts->stat = SAS_DEV_NO_RESPONSE;
2743 		if (!t->uldd_task) {
2744 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2745 					IO_DS_IN_ERROR);
2746 			ts->resp = SAS_TASK_UNDELIVERED;
2747 			ts->stat = SAS_QUEUE_FULL;
2748 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2749 			return;
2750 		}
2751 		break;
2752 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2753 		pm8001_dbg(pm8001_ha, IO,
2754 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2755 		ts->resp = SAS_TASK_COMPLETE;
2756 		ts->stat = SAS_OPEN_REJECT;
2757 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2758 		if (pm8001_dev)
2759 			atomic_dec(&pm8001_dev->running_req);
2760 		break;
2761 	default:
2762 		pm8001_dbg(pm8001_ha, DEVIO,
2763 				"Unknown status device_id %u status 0x%x tag %d\n",
2764 			pm8001_dev->device_id, status, tag);
2765 		/* not allowed case. Therefore, return failed status */
2766 		ts->resp = SAS_TASK_COMPLETE;
2767 		ts->stat = SAS_DEV_NO_RESPONSE;
2768 		if (pm8001_dev)
2769 			atomic_dec(&pm8001_dev->running_req);
2770 		break;
2771 	}
2772 	spin_lock_irqsave(&t->task_state_lock, flags);
2773 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2774 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2775 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2776 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2777 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2778 		pm8001_dbg(pm8001_ha, FAIL,
2779 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2780 			   t, status, ts->resp, ts->stat);
2781 		if (t->slow_task)
2782 			complete(&t->slow_task->completion);
2783 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2784 	} else {
2785 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2786 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2787 	}
2788 }
2789 
2790 /*See the comments for mpi_ssp_completion */
2791 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2792 {
2793 	struct sas_task *t;
2794 	struct task_status_struct *ts;
2795 	struct pm8001_ccb_info *ccb;
2796 	struct pm8001_device *pm8001_dev;
2797 	struct sata_event_resp *psataPayload =
2798 		(struct sata_event_resp *)(piomb + 4);
2799 	u32 event = le32_to_cpu(psataPayload->event);
2800 	u32 tag = le32_to_cpu(psataPayload->tag);
2801 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2802 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2803 	unsigned long flags;
2804 
2805 	ccb = &pm8001_ha->ccb_info[tag];
2806 
2807 	if (ccb) {
2808 		t = ccb->task;
2809 		pm8001_dev = ccb->device;
2810 	} else {
2811 		pm8001_dbg(pm8001_ha, FAIL, "No CCB !!!. returning\n");
2812 		return;
2813 	}
2814 	if (event)
2815 		pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2816 
2817 	/* Check if this is NCQ error */
2818 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2819 		/* find device using device id */
2820 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2821 		/* send read log extension */
2822 		if (pm8001_dev)
2823 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2824 		return;
2825 	}
2826 
2827 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2828 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2829 		return;
2830 	}
2831 
2832 	ts = &t->task_status;
2833 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2834 		   port_id, tag, event);
2835 	switch (event) {
2836 	case IO_OVERFLOW:
2837 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2838 		ts->resp = SAS_TASK_COMPLETE;
2839 		ts->stat = SAS_DATA_OVERRUN;
2840 		ts->residual = 0;
2841 		if (pm8001_dev)
2842 			atomic_dec(&pm8001_dev->running_req);
2843 		break;
2844 	case IO_XFER_ERROR_BREAK:
2845 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2846 		ts->resp = SAS_TASK_COMPLETE;
2847 		ts->stat = SAS_INTERRUPTED;
2848 		break;
2849 	case IO_XFER_ERROR_PHY_NOT_READY:
2850 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2851 		ts->resp = SAS_TASK_COMPLETE;
2852 		ts->stat = SAS_OPEN_REJECT;
2853 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2854 		break;
2855 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2856 		pm8001_dbg(pm8001_ha, IO,
2857 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2858 		ts->resp = SAS_TASK_COMPLETE;
2859 		ts->stat = SAS_OPEN_REJECT;
2860 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2861 		break;
2862 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2863 		pm8001_dbg(pm8001_ha, IO,
2864 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2865 		ts->resp = SAS_TASK_COMPLETE;
2866 		ts->stat = SAS_OPEN_REJECT;
2867 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2868 		break;
2869 	case IO_OPEN_CNX_ERROR_BREAK:
2870 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2871 		ts->resp = SAS_TASK_COMPLETE;
2872 		ts->stat = SAS_OPEN_REJECT;
2873 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2874 		break;
2875 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2876 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2877 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2878 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2879 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2880 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2881 		pm8001_dbg(pm8001_ha, FAIL,
2882 			   "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2883 		ts->resp = SAS_TASK_UNDELIVERED;
2884 		ts->stat = SAS_DEV_NO_RESPONSE;
2885 		if (!t->uldd_task) {
2886 			pm8001_handle_event(pm8001_ha,
2887 				pm8001_dev,
2888 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2889 			ts->resp = SAS_TASK_COMPLETE;
2890 			ts->stat = SAS_QUEUE_FULL;
2891 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2892 			return;
2893 		}
2894 		break;
2895 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2896 		pm8001_dbg(pm8001_ha, IO,
2897 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2898 		ts->resp = SAS_TASK_UNDELIVERED;
2899 		ts->stat = SAS_OPEN_REJECT;
2900 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2901 		break;
2902 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2903 		pm8001_dbg(pm8001_ha, IO,
2904 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2905 		ts->resp = SAS_TASK_COMPLETE;
2906 		ts->stat = SAS_OPEN_REJECT;
2907 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2908 		break;
2909 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2910 		pm8001_dbg(pm8001_ha, IO,
2911 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2912 		ts->resp = SAS_TASK_COMPLETE;
2913 		ts->stat = SAS_OPEN_REJECT;
2914 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2915 		break;
2916 	case IO_XFER_ERROR_NAK_RECEIVED:
2917 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2918 		ts->resp = SAS_TASK_COMPLETE;
2919 		ts->stat = SAS_NAK_R_ERR;
2920 		break;
2921 	case IO_XFER_ERROR_PEER_ABORTED:
2922 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2923 		ts->resp = SAS_TASK_COMPLETE;
2924 		ts->stat = SAS_NAK_R_ERR;
2925 		break;
2926 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2927 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2928 		ts->resp = SAS_TASK_COMPLETE;
2929 		ts->stat = SAS_DATA_UNDERRUN;
2930 		break;
2931 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2932 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2933 		ts->resp = SAS_TASK_COMPLETE;
2934 		ts->stat = SAS_OPEN_TO;
2935 		break;
2936 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2937 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2938 		ts->resp = SAS_TASK_COMPLETE;
2939 		ts->stat = SAS_OPEN_TO;
2940 		break;
2941 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2942 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2943 		ts->resp = SAS_TASK_COMPLETE;
2944 		ts->stat = SAS_OPEN_TO;
2945 		break;
2946 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2947 		pm8001_dbg(pm8001_ha, IO,
2948 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2949 		ts->resp = SAS_TASK_COMPLETE;
2950 		ts->stat = SAS_OPEN_TO;
2951 		break;
2952 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2953 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2954 		ts->resp = SAS_TASK_COMPLETE;
2955 		ts->stat = SAS_OPEN_TO;
2956 		break;
2957 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2958 		pm8001_dbg(pm8001_ha, IO,
2959 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2960 		ts->resp = SAS_TASK_COMPLETE;
2961 		ts->stat = SAS_OPEN_TO;
2962 		break;
2963 	case IO_XFER_CMD_FRAME_ISSUED:
2964 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2965 		break;
2966 	case IO_XFER_PIO_SETUP_ERROR:
2967 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2968 		ts->resp = SAS_TASK_COMPLETE;
2969 		ts->stat = SAS_OPEN_TO;
2970 		break;
2971 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2972 		pm8001_dbg(pm8001_ha, FAIL,
2973 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2974 		/* TBC: used default set values */
2975 		ts->resp = SAS_TASK_COMPLETE;
2976 		ts->stat = SAS_OPEN_TO;
2977 		break;
2978 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2979 		pm8001_dbg(pm8001_ha, FAIL, "IO_XFR_DMA_ACTIVATE_TIMEOUT\n");
2980 		/* TBC: used default set values */
2981 		ts->resp = SAS_TASK_COMPLETE;
2982 		ts->stat = SAS_OPEN_TO;
2983 		break;
2984 	default:
2985 		pm8001_dbg(pm8001_ha, IO, "Unknown status 0x%x\n", event);
2986 		/* not allowed case. Therefore, return failed status */
2987 		ts->resp = SAS_TASK_COMPLETE;
2988 		ts->stat = SAS_OPEN_TO;
2989 		break;
2990 	}
2991 	spin_lock_irqsave(&t->task_state_lock, flags);
2992 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2993 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2994 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2995 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2996 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2997 		pm8001_dbg(pm8001_ha, FAIL,
2998 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2999 			   t, event, ts->resp, ts->stat);
3000 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3001 	} else {
3002 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3003 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
3004 	}
3005 }
3006 
3007 /*See the comments for mpi_ssp_completion */
3008 static void
3009 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
3010 {
3011 	u32 param, i;
3012 	struct sas_task *t;
3013 	struct pm8001_ccb_info *ccb;
3014 	unsigned long flags;
3015 	u32 status;
3016 	u32 tag;
3017 	struct smp_completion_resp *psmpPayload;
3018 	struct task_status_struct *ts;
3019 	struct pm8001_device *pm8001_dev;
3020 	char *pdma_respaddr = NULL;
3021 
3022 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
3023 	status = le32_to_cpu(psmpPayload->status);
3024 	tag = le32_to_cpu(psmpPayload->tag);
3025 
3026 	ccb = &pm8001_ha->ccb_info[tag];
3027 	param = le32_to_cpu(psmpPayload->param);
3028 	t = ccb->task;
3029 	ts = &t->task_status;
3030 	pm8001_dev = ccb->device;
3031 	if (status)
3032 		pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
3033 	if (unlikely(!t || !t->lldd_task || !t->dev))
3034 		return;
3035 
3036 	pm8001_dbg(pm8001_ha, DEV, "tag::0x%x status::0x%x\n", tag, status);
3037 
3038 	switch (status) {
3039 
3040 	case IO_SUCCESS:
3041 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
3042 		ts->resp = SAS_TASK_COMPLETE;
3043 		ts->stat = SAM_STAT_GOOD;
3044 		if (pm8001_dev)
3045 			atomic_dec(&pm8001_dev->running_req);
3046 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3047 			pm8001_dbg(pm8001_ha, IO,
3048 				   "DIRECT RESPONSE Length:%d\n",
3049 				   param);
3050 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
3051 						((u64)sg_dma_address
3052 						(&t->smp_task.smp_resp))));
3053 			for (i = 0; i < param; i++) {
3054 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
3055 				pm8001_dbg(pm8001_ha, IO,
3056 					   "SMP Byte%d DMA data 0x%x psmp 0x%x\n",
3057 					   i, *(pdma_respaddr + i),
3058 					   psmpPayload->_r_a[i]);
3059 			}
3060 		}
3061 		break;
3062 	case IO_ABORTED:
3063 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
3064 		ts->resp = SAS_TASK_COMPLETE;
3065 		ts->stat = SAS_ABORTED_TASK;
3066 		if (pm8001_dev)
3067 			atomic_dec(&pm8001_dev->running_req);
3068 		break;
3069 	case IO_OVERFLOW:
3070 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
3071 		ts->resp = SAS_TASK_COMPLETE;
3072 		ts->stat = SAS_DATA_OVERRUN;
3073 		ts->residual = 0;
3074 		if (pm8001_dev)
3075 			atomic_dec(&pm8001_dev->running_req);
3076 		break;
3077 	case IO_NO_DEVICE:
3078 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
3079 		ts->resp = SAS_TASK_COMPLETE;
3080 		ts->stat = SAS_PHY_DOWN;
3081 		break;
3082 	case IO_ERROR_HW_TIMEOUT:
3083 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
3084 		ts->resp = SAS_TASK_COMPLETE;
3085 		ts->stat = SAM_STAT_BUSY;
3086 		break;
3087 	case IO_XFER_ERROR_BREAK:
3088 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
3089 		ts->resp = SAS_TASK_COMPLETE;
3090 		ts->stat = SAM_STAT_BUSY;
3091 		break;
3092 	case IO_XFER_ERROR_PHY_NOT_READY:
3093 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
3094 		ts->resp = SAS_TASK_COMPLETE;
3095 		ts->stat = SAM_STAT_BUSY;
3096 		break;
3097 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
3098 		pm8001_dbg(pm8001_ha, IO,
3099 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
3100 		ts->resp = SAS_TASK_COMPLETE;
3101 		ts->stat = SAS_OPEN_REJECT;
3102 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3103 		break;
3104 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
3105 		pm8001_dbg(pm8001_ha, IO,
3106 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
3107 		ts->resp = SAS_TASK_COMPLETE;
3108 		ts->stat = SAS_OPEN_REJECT;
3109 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3110 		break;
3111 	case IO_OPEN_CNX_ERROR_BREAK:
3112 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
3113 		ts->resp = SAS_TASK_COMPLETE;
3114 		ts->stat = SAS_OPEN_REJECT;
3115 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
3116 		break;
3117 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
3118 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
3119 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
3120 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
3121 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
3122 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
3123 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
3124 		ts->resp = SAS_TASK_COMPLETE;
3125 		ts->stat = SAS_OPEN_REJECT;
3126 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3127 		pm8001_handle_event(pm8001_ha,
3128 				pm8001_dev,
3129 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3130 		break;
3131 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3132 		pm8001_dbg(pm8001_ha, IO,
3133 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
3134 		ts->resp = SAS_TASK_COMPLETE;
3135 		ts->stat = SAS_OPEN_REJECT;
3136 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3137 		break;
3138 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3139 		pm8001_dbg(pm8001_ha, IO,
3140 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
3141 		ts->resp = SAS_TASK_COMPLETE;
3142 		ts->stat = SAS_OPEN_REJECT;
3143 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3144 		break;
3145 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3146 		pm8001_dbg(pm8001_ha, IO,
3147 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
3148 		ts->resp = SAS_TASK_COMPLETE;
3149 		ts->stat = SAS_OPEN_REJECT;
3150 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3151 		break;
3152 	case IO_XFER_ERROR_RX_FRAME:
3153 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
3154 		ts->resp = SAS_TASK_COMPLETE;
3155 		ts->stat = SAS_DEV_NO_RESPONSE;
3156 		break;
3157 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3158 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
3159 		ts->resp = SAS_TASK_COMPLETE;
3160 		ts->stat = SAS_OPEN_REJECT;
3161 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3162 		break;
3163 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3164 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
3165 		ts->resp = SAS_TASK_COMPLETE;
3166 		ts->stat = SAS_QUEUE_FULL;
3167 		break;
3168 	case IO_PORT_IN_RESET:
3169 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
3170 		ts->resp = SAS_TASK_COMPLETE;
3171 		ts->stat = SAS_OPEN_REJECT;
3172 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3173 		break;
3174 	case IO_DS_NON_OPERATIONAL:
3175 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
3176 		ts->resp = SAS_TASK_COMPLETE;
3177 		ts->stat = SAS_DEV_NO_RESPONSE;
3178 		break;
3179 	case IO_DS_IN_RECOVERY:
3180 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
3181 		ts->resp = SAS_TASK_COMPLETE;
3182 		ts->stat = SAS_OPEN_REJECT;
3183 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3184 		break;
3185 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3186 		pm8001_dbg(pm8001_ha, IO,
3187 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
3188 		ts->resp = SAS_TASK_COMPLETE;
3189 		ts->stat = SAS_OPEN_REJECT;
3190 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3191 		break;
3192 	default:
3193 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
3194 		ts->resp = SAS_TASK_COMPLETE;
3195 		ts->stat = SAS_DEV_NO_RESPONSE;
3196 		/* not allowed case. Therefore, return failed status */
3197 		break;
3198 	}
3199 	spin_lock_irqsave(&t->task_state_lock, flags);
3200 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3201 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3202 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3203 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3204 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3205 		pm8001_dbg(pm8001_ha, FAIL,
3206 			   "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n",
3207 			   t, status, ts->resp, ts->stat);
3208 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3209 	} else {
3210 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3211 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3212 		mb();/* in order to force CPU ordering */
3213 		t->task_done(t);
3214 	}
3215 }
3216 
3217 /**
3218  * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3219  * @pm8001_ha: our hba card information
3220  * @Qnum: the outbound queue message number.
3221  * @SEA: source of event to ack
3222  * @port_id: port id.
3223  * @phyId: phy id.
3224  * @param0: parameter 0.
3225  * @param1: parameter 1.
3226  */
3227 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3228 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3229 {
3230 	struct hw_event_ack_req	 payload;
3231 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3232 
3233 	struct inbound_queue_table *circularQ;
3234 
3235 	memset((u8 *)&payload, 0, sizeof(payload));
3236 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3237 	payload.tag = cpu_to_le32(1);
3238 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3239 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
3240 	payload.param0 = cpu_to_le32(param0);
3241 	payload.param1 = cpu_to_le32(param1);
3242 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
3243 			sizeof(payload), 0);
3244 }
3245 
3246 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3247 	u32 phyId, u32 phy_op);
3248 
3249 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
3250 					void *piomb)
3251 {
3252 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
3253 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3254 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3255 	u32 lr_status_evt_portid =
3256 		le32_to_cpu(pPayload->lr_status_evt_portid);
3257 	u8 deviceType = pPayload->sas_identify.dev_type;
3258 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3259 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3260 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3261 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3262 
3263 	if (deviceType == SAS_END_DEVICE) {
3264 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3265 					PHY_NOTIFY_ENABLE_SPINUP);
3266 	}
3267 
3268 	port->wide_port_phymap |= (1U << phy_id);
3269 	pm8001_get_lrate_mode(phy, link_rate);
3270 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3271 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3272 	phy->phy_attached = 1;
3273 }
3274 
3275 /**
3276  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3277  * @pm8001_ha: our hba card information
3278  * @piomb: IO message buffer
3279  */
3280 static void
3281 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3282 {
3283 	struct hw_event_resp *pPayload =
3284 		(struct hw_event_resp *)(piomb + 4);
3285 	u32 lr_status_evt_portid =
3286 		le32_to_cpu(pPayload->lr_status_evt_portid);
3287 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3288 
3289 	u8 link_rate =
3290 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3291 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3292 	u8 phy_id =
3293 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3294 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3295 
3296 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3297 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3298 	unsigned long flags;
3299 	u8 deviceType = pPayload->sas_identify.dev_type;
3300 	port->port_state = portstate;
3301 	port->wide_port_phymap |= (1U << phy_id);
3302 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3303 	pm8001_dbg(pm8001_ha, MSG,
3304 		   "portid:%d; phyid:%d; linkrate:%d; portstate:%x; devicetype:%x\n",
3305 		   port_id, phy_id, link_rate, portstate, deviceType);
3306 
3307 	switch (deviceType) {
3308 	case SAS_PHY_UNUSED:
3309 		pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3310 		break;
3311 	case SAS_END_DEVICE:
3312 		pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3313 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3314 			PHY_NOTIFY_ENABLE_SPINUP);
3315 		port->port_attached = 1;
3316 		pm8001_get_lrate_mode(phy, link_rate);
3317 		break;
3318 	case SAS_EDGE_EXPANDER_DEVICE:
3319 		pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3320 		port->port_attached = 1;
3321 		pm8001_get_lrate_mode(phy, link_rate);
3322 		break;
3323 	case SAS_FANOUT_EXPANDER_DEVICE:
3324 		pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3325 		port->port_attached = 1;
3326 		pm8001_get_lrate_mode(phy, link_rate);
3327 		break;
3328 	default:
3329 		pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3330 			   deviceType);
3331 		break;
3332 	}
3333 	phy->phy_type |= PORT_TYPE_SAS;
3334 	phy->identify.device_type = deviceType;
3335 	phy->phy_attached = 1;
3336 	if (phy->identify.device_type == SAS_END_DEVICE)
3337 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3338 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3339 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3340 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3341 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3342 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3343 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3344 		sizeof(struct sas_identify_frame)-4);
3345 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3346 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3347 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3348 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3349 		mdelay(200); /* delay a moment to wait for disk to spin up */
3350 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3351 }
3352 
3353 /**
3354  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3355  * @pm8001_ha: our hba card information
3356  * @piomb: IO message buffer
3357  */
3358 static void
3359 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3360 {
3361 	struct hw_event_resp *pPayload =
3362 		(struct hw_event_resp *)(piomb + 4);
3363 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3364 	u32 lr_status_evt_portid =
3365 		le32_to_cpu(pPayload->lr_status_evt_portid);
3366 	u8 link_rate =
3367 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3368 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3369 	u8 phy_id =
3370 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3371 
3372 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3373 
3374 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3375 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3376 	unsigned long flags;
3377 	pm8001_dbg(pm8001_ha, DEVIO,
3378 		   "port id %d, phy id %d link_rate %d portstate 0x%x\n",
3379 		   port_id, phy_id, link_rate, portstate);
3380 
3381 	port->port_state = portstate;
3382 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3383 	port->port_attached = 1;
3384 	pm8001_get_lrate_mode(phy, link_rate);
3385 	phy->phy_type |= PORT_TYPE_SATA;
3386 	phy->phy_attached = 1;
3387 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3388 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3389 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3390 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3391 		sizeof(struct dev_to_host_fis));
3392 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3393 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3394 	phy->identify.device_type = SAS_SATA_DEV;
3395 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3396 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3397 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3398 }
3399 
3400 /**
3401  * hw_event_phy_down -we should notify the libsas the phy is down.
3402  * @pm8001_ha: our hba card information
3403  * @piomb: IO message buffer
3404  */
3405 static void
3406 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3407 {
3408 	struct hw_event_resp *pPayload =
3409 		(struct hw_event_resp *)(piomb + 4);
3410 
3411 	u32 lr_status_evt_portid =
3412 		le32_to_cpu(pPayload->lr_status_evt_portid);
3413 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3414 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3415 	u8 phy_id =
3416 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3417 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3418 
3419 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3420 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3421 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3422 	port->port_state = portstate;
3423 	phy->identify.device_type = 0;
3424 	phy->phy_attached = 0;
3425 	switch (portstate) {
3426 	case PORT_VALID:
3427 		break;
3428 	case PORT_INVALID:
3429 		pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3430 			   port_id);
3431 		pm8001_dbg(pm8001_ha, MSG,
3432 			   " Last phy Down and port invalid\n");
3433 		if (port_sata) {
3434 			phy->phy_type = 0;
3435 			port->port_attached = 0;
3436 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3437 					port_id, phy_id, 0, 0);
3438 		}
3439 		sas_phy_disconnected(&phy->sas_phy);
3440 		break;
3441 	case PORT_IN_RESET:
3442 		pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3443 			   port_id);
3444 		break;
3445 	case PORT_NOT_ESTABLISHED:
3446 		pm8001_dbg(pm8001_ha, MSG,
3447 			   " Phy Down and PORT_NOT_ESTABLISHED\n");
3448 		port->port_attached = 0;
3449 		break;
3450 	case PORT_LOSTCOMM:
3451 		pm8001_dbg(pm8001_ha, MSG, " Phy Down and PORT_LOSTCOMM\n");
3452 		pm8001_dbg(pm8001_ha, MSG,
3453 			   " Last phy Down and port invalid\n");
3454 		if (port_sata) {
3455 			port->port_attached = 0;
3456 			phy->phy_type = 0;
3457 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3458 					port_id, phy_id, 0, 0);
3459 		}
3460 		sas_phy_disconnected(&phy->sas_phy);
3461 		break;
3462 	default:
3463 		port->port_attached = 0;
3464 		pm8001_dbg(pm8001_ha, DEVIO,
3465 			   " Phy Down and(default) = 0x%x\n",
3466 			   portstate);
3467 		break;
3468 
3469 	}
3470 	if (port_sata && (portstate != PORT_IN_RESET))
3471 		sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3472 				GFP_ATOMIC);
3473 }
3474 
3475 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3476 {
3477 	struct phy_start_resp *pPayload =
3478 		(struct phy_start_resp *)(piomb + 4);
3479 	u32 status =
3480 		le32_to_cpu(pPayload->status);
3481 	u32 phy_id =
3482 		le32_to_cpu(pPayload->phyid);
3483 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3484 
3485 	pm8001_dbg(pm8001_ha, INIT,
3486 		   "phy start resp status:0x%x, phyid:0x%x\n",
3487 		   status, phy_id);
3488 	if (status == 0) {
3489 		phy->phy_state = PHY_LINK_DOWN;
3490 		if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3491 				phy->enable_completion != NULL) {
3492 			complete(phy->enable_completion);
3493 			phy->enable_completion = NULL;
3494 		}
3495 	}
3496 	return 0;
3497 
3498 }
3499 
3500 /**
3501  * mpi_thermal_hw_event -The hw event has come.
3502  * @pm8001_ha: our hba card information
3503  * @piomb: IO message buffer
3504  */
3505 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3506 {
3507 	struct thermal_hw_event *pPayload =
3508 		(struct thermal_hw_event *)(piomb + 4);
3509 
3510 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3511 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3512 
3513 	if (thermal_event & 0x40) {
3514 		pm8001_dbg(pm8001_ha, IO,
3515 			   "Thermal Event: Local high temperature violated!\n");
3516 		pm8001_dbg(pm8001_ha, IO,
3517 			   "Thermal Event: Measured local high temperature %d\n",
3518 			   ((rht_lht & 0xFF00) >> 8));
3519 	}
3520 	if (thermal_event & 0x10) {
3521 		pm8001_dbg(pm8001_ha, IO,
3522 			   "Thermal Event: Remote high temperature violated!\n");
3523 		pm8001_dbg(pm8001_ha, IO,
3524 			   "Thermal Event: Measured remote high temperature %d\n",
3525 			   ((rht_lht & 0xFF000000) >> 24));
3526 	}
3527 	return 0;
3528 }
3529 
3530 /**
3531  * mpi_hw_event -The hw event has come.
3532  * @pm8001_ha: our hba card information
3533  * @piomb: IO message buffer
3534  */
3535 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3536 {
3537 	unsigned long flags, i;
3538 	struct hw_event_resp *pPayload =
3539 		(struct hw_event_resp *)(piomb + 4);
3540 	u32 lr_status_evt_portid =
3541 		le32_to_cpu(pPayload->lr_status_evt_portid);
3542 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3543 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3544 	u8 phy_id =
3545 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3546 	u16 eventType =
3547 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3548 	u8 status =
3549 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3550 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3551 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3552 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3553 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3554 	pm8001_dbg(pm8001_ha, DEV,
3555 		   "portid:%d phyid:%d event:0x%x status:0x%x\n",
3556 		   port_id, phy_id, eventType, status);
3557 
3558 	switch (eventType) {
3559 
3560 	case HW_EVENT_SAS_PHY_UP:
3561 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3562 		hw_event_sas_phy_up(pm8001_ha, piomb);
3563 		break;
3564 	case HW_EVENT_SATA_PHY_UP:
3565 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3566 		hw_event_sata_phy_up(pm8001_ha, piomb);
3567 		break;
3568 	case HW_EVENT_SATA_SPINUP_HOLD:
3569 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3570 		sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3571 			GFP_ATOMIC);
3572 		break;
3573 	case HW_EVENT_PHY_DOWN:
3574 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3575 		hw_event_phy_down(pm8001_ha, piomb);
3576 		if (pm8001_ha->reset_in_progress) {
3577 			pm8001_dbg(pm8001_ha, MSG, "Reset in progress\n");
3578 			return 0;
3579 		}
3580 		phy->phy_attached = 0;
3581 		phy->phy_state = PHY_LINK_DISABLE;
3582 		break;
3583 	case HW_EVENT_PORT_INVALID:
3584 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3585 		sas_phy_disconnected(sas_phy);
3586 		phy->phy_attached = 0;
3587 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3588 			GFP_ATOMIC);
3589 		break;
3590 	/* the broadcast change primitive received, tell the LIBSAS this event
3591 	to revalidate the sas domain*/
3592 	case HW_EVENT_BROADCAST_CHANGE:
3593 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3594 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3595 			port_id, phy_id, 1, 0);
3596 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3597 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3598 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3599 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3600 			GFP_ATOMIC);
3601 		break;
3602 	case HW_EVENT_PHY_ERROR:
3603 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3604 		sas_phy_disconnected(&phy->sas_phy);
3605 		phy->phy_attached = 0;
3606 		sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3607 		break;
3608 	case HW_EVENT_BROADCAST_EXP:
3609 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3610 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3611 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3612 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3613 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3614 			GFP_ATOMIC);
3615 		break;
3616 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3617 		pm8001_dbg(pm8001_ha, MSG,
3618 			   "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3619 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3620 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3621 		break;
3622 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3623 		pm8001_dbg(pm8001_ha, MSG,
3624 			   "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3625 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3626 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3627 			port_id, phy_id, 0, 0);
3628 		break;
3629 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3630 		pm8001_dbg(pm8001_ha, MSG,
3631 			   "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3632 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3633 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3634 			port_id, phy_id, 0, 0);
3635 		break;
3636 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3637 		pm8001_dbg(pm8001_ha, MSG,
3638 			   "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3639 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3640 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3641 			port_id, phy_id, 0, 0);
3642 		break;
3643 	case HW_EVENT_MALFUNCTION:
3644 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3645 		break;
3646 	case HW_EVENT_BROADCAST_SES:
3647 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3648 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3649 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3650 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3651 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3652 			GFP_ATOMIC);
3653 		break;
3654 	case HW_EVENT_INBOUND_CRC_ERROR:
3655 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3656 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3657 			HW_EVENT_INBOUND_CRC_ERROR,
3658 			port_id, phy_id, 0, 0);
3659 		break;
3660 	case HW_EVENT_HARD_RESET_RECEIVED:
3661 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3662 		sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3663 		break;
3664 	case HW_EVENT_ID_FRAME_TIMEOUT:
3665 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3666 		sas_phy_disconnected(sas_phy);
3667 		phy->phy_attached = 0;
3668 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3669 			GFP_ATOMIC);
3670 		break;
3671 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3672 		pm8001_dbg(pm8001_ha, MSG,
3673 			   "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3674 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3675 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3676 			port_id, phy_id, 0, 0);
3677 		sas_phy_disconnected(sas_phy);
3678 		phy->phy_attached = 0;
3679 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3680 			GFP_ATOMIC);
3681 		break;
3682 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3683 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3684 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3685 			port_id, phy_id, 0, 0);
3686 		sas_phy_disconnected(sas_phy);
3687 		phy->phy_attached = 0;
3688 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3689 			GFP_ATOMIC);
3690 		if (pm8001_ha->phy[phy_id].reset_completion) {
3691 			pm8001_ha->phy[phy_id].port_reset_status =
3692 					PORT_RESET_TMO;
3693 			complete(pm8001_ha->phy[phy_id].reset_completion);
3694 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3695 		}
3696 		break;
3697 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3698 		pm8001_dbg(pm8001_ha, MSG,
3699 			   "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3700 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3701 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3702 			port_id, phy_id, 0, 0);
3703 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3704 			if (port->wide_port_phymap & (1 << i)) {
3705 				phy = &pm8001_ha->phy[i];
3706 				sas_notify_phy_event(&phy->sas_phy,
3707 					PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC);
3708 				port->wide_port_phymap &= ~(1 << i);
3709 			}
3710 		}
3711 		break;
3712 	case HW_EVENT_PORT_RECOVER:
3713 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3714 		hw_event_port_recover(pm8001_ha, piomb);
3715 		break;
3716 	case HW_EVENT_PORT_RESET_COMPLETE:
3717 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3718 		if (pm8001_ha->phy[phy_id].reset_completion) {
3719 			pm8001_ha->phy[phy_id].port_reset_status =
3720 					PORT_RESET_SUCCESS;
3721 			complete(pm8001_ha->phy[phy_id].reset_completion);
3722 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3723 		}
3724 		break;
3725 	case EVENT_BROADCAST_ASYNCH_EVENT:
3726 		pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3727 		break;
3728 	default:
3729 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type 0x%x\n",
3730 			   eventType);
3731 		break;
3732 	}
3733 	return 0;
3734 }
3735 
3736 /**
3737  * mpi_phy_stop_resp - SPCv specific
3738  * @pm8001_ha: our hba card information
3739  * @piomb: IO message buffer
3740  */
3741 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3742 {
3743 	struct phy_stop_resp *pPayload =
3744 		(struct phy_stop_resp *)(piomb + 4);
3745 	u32 status =
3746 		le32_to_cpu(pPayload->status);
3747 	u32 phyid =
3748 		le32_to_cpu(pPayload->phyid) & 0xFF;
3749 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3750 	pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
3751 		   phyid, status);
3752 	if (status == PHY_STOP_SUCCESS ||
3753 		status == PHY_STOP_ERR_DEVICE_ATTACHED)
3754 		phy->phy_state = PHY_LINK_DISABLE;
3755 	return 0;
3756 }
3757 
3758 /**
3759  * mpi_set_controller_config_resp - SPCv specific
3760  * @pm8001_ha: our hba card information
3761  * @piomb: IO message buffer
3762  */
3763 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3764 			void *piomb)
3765 {
3766 	struct set_ctrl_cfg_resp *pPayload =
3767 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3768 	u32 status = le32_to_cpu(pPayload->status);
3769 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3770 
3771 	pm8001_dbg(pm8001_ha, MSG,
3772 		   "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3773 		   status, err_qlfr_pgcd);
3774 
3775 	return 0;
3776 }
3777 
3778 /**
3779  * mpi_get_controller_config_resp - SPCv specific
3780  * @pm8001_ha: our hba card information
3781  * @piomb: IO message buffer
3782  */
3783 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3784 			void *piomb)
3785 {
3786 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3787 
3788 	return 0;
3789 }
3790 
3791 /**
3792  * mpi_get_phy_profile_resp - SPCv specific
3793  * @pm8001_ha: our hba card information
3794  * @piomb: IO message buffer
3795  */
3796 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3797 			void *piomb)
3798 {
3799 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3800 
3801 	return 0;
3802 }
3803 
3804 /**
3805  * mpi_flash_op_ext_resp - SPCv specific
3806  * @pm8001_ha: our hba card information
3807  * @piomb: IO message buffer
3808  */
3809 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3810 {
3811 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3812 
3813 	return 0;
3814 }
3815 
3816 /**
3817  * mpi_set_phy_profile_resp - SPCv specific
3818  * @pm8001_ha: our hba card information
3819  * @piomb: IO message buffer
3820  */
3821 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3822 			void *piomb)
3823 {
3824 	u32 tag;
3825 	u8 page_code;
3826 	int rc = 0;
3827 	struct set_phy_profile_resp *pPayload =
3828 		(struct set_phy_profile_resp *)(piomb + 4);
3829 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3830 	u32 status = le32_to_cpu(pPayload->status);
3831 
3832 	tag = le32_to_cpu(pPayload->tag);
3833 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3834 	if (status) {
3835 		/* status is FAILED */
3836 		pm8001_dbg(pm8001_ha, FAIL,
3837 			   "PhyProfile command failed  with status 0x%08X\n",
3838 			   status);
3839 		rc = -1;
3840 	} else {
3841 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3842 			pm8001_dbg(pm8001_ha, FAIL, "Invalid page code 0x%X\n",
3843 				   page_code);
3844 			rc = -1;
3845 		}
3846 	}
3847 	pm8001_tag_free(pm8001_ha, tag);
3848 	return rc;
3849 }
3850 
3851 /**
3852  * mpi_kek_management_resp - SPCv specific
3853  * @pm8001_ha: our hba card information
3854  * @piomb: IO message buffer
3855  */
3856 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3857 			void *piomb)
3858 {
3859 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3860 
3861 	u32 status = le32_to_cpu(pPayload->status);
3862 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3863 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3864 
3865 	pm8001_dbg(pm8001_ha, MSG,
3866 		   "KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3867 		   status, kidx_new_curr_ksop, err_qlfr);
3868 
3869 	return 0;
3870 }
3871 
3872 /**
3873  * mpi_dek_management_resp - SPCv specific
3874  * @pm8001_ha: our hba card information
3875  * @piomb: IO message buffer
3876  */
3877 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3878 			void *piomb)
3879 {
3880 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3881 
3882 	return 0;
3883 }
3884 
3885 /**
3886  * ssp_coalesced_comp_resp - SPCv specific
3887  * @pm8001_ha: our hba card information
3888  * @piomb: IO message buffer
3889  */
3890 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3891 			void *piomb)
3892 {
3893 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3894 
3895 	return 0;
3896 }
3897 
3898 /**
3899  * process_one_iomb - process one outbound Queue memory block
3900  * @pm8001_ha: our hba card information
3901  * @piomb: IO message buffer
3902  */
3903 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3904 {
3905 	__le32 pHeader = *(__le32 *)piomb;
3906 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3907 
3908 	switch (opc) {
3909 	case OPC_OUB_ECHO:
3910 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3911 		break;
3912 	case OPC_OUB_HW_EVENT:
3913 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3914 		mpi_hw_event(pm8001_ha, piomb);
3915 		break;
3916 	case OPC_OUB_THERM_HW_EVENT:
3917 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_THERMAL_EVENT\n");
3918 		mpi_thermal_hw_event(pm8001_ha, piomb);
3919 		break;
3920 	case OPC_OUB_SSP_COMP:
3921 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3922 		mpi_ssp_completion(pm8001_ha, piomb);
3923 		break;
3924 	case OPC_OUB_SMP_COMP:
3925 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3926 		mpi_smp_completion(pm8001_ha, piomb);
3927 		break;
3928 	case OPC_OUB_LOCAL_PHY_CNTRL:
3929 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3930 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3931 		break;
3932 	case OPC_OUB_DEV_REGIST:
3933 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3934 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3935 		break;
3936 	case OPC_OUB_DEREG_DEV:
3937 		pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3938 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3939 		break;
3940 	case OPC_OUB_GET_DEV_HANDLE:
3941 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3942 		break;
3943 	case OPC_OUB_SATA_COMP:
3944 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3945 		mpi_sata_completion(pm8001_ha, piomb);
3946 		break;
3947 	case OPC_OUB_SATA_EVENT:
3948 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3949 		mpi_sata_event(pm8001_ha, piomb);
3950 		break;
3951 	case OPC_OUB_SSP_EVENT:
3952 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3953 		mpi_ssp_event(pm8001_ha, piomb);
3954 		break;
3955 	case OPC_OUB_DEV_HANDLE_ARRIV:
3956 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3957 		/*This is for target*/
3958 		break;
3959 	case OPC_OUB_SSP_RECV_EVENT:
3960 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3961 		/*This is for target*/
3962 		break;
3963 	case OPC_OUB_FW_FLASH_UPDATE:
3964 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3965 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3966 		break;
3967 	case OPC_OUB_GPIO_RESPONSE:
3968 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3969 		break;
3970 	case OPC_OUB_GPIO_EVENT:
3971 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3972 		break;
3973 	case OPC_OUB_GENERAL_EVENT:
3974 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3975 		pm8001_mpi_general_event(pm8001_ha, piomb);
3976 		break;
3977 	case OPC_OUB_SSP_ABORT_RSP:
3978 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3979 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3980 		break;
3981 	case OPC_OUB_SATA_ABORT_RSP:
3982 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3983 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3984 		break;
3985 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3986 		pm8001_dbg(pm8001_ha, MSG,
3987 			   "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3988 		break;
3989 	case OPC_OUB_SAS_DIAG_EXECUTE:
3990 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3991 		break;
3992 	case OPC_OUB_GET_TIME_STAMP:
3993 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3994 		break;
3995 	case OPC_OUB_SAS_HW_EVENT_ACK:
3996 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3997 		break;
3998 	case OPC_OUB_PORT_CONTROL:
3999 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
4000 		break;
4001 	case OPC_OUB_SMP_ABORT_RSP:
4002 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
4003 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4004 		break;
4005 	case OPC_OUB_GET_NVMD_DATA:
4006 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
4007 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
4008 		break;
4009 	case OPC_OUB_SET_NVMD_DATA:
4010 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
4011 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
4012 		break;
4013 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
4014 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
4015 		break;
4016 	case OPC_OUB_SET_DEVICE_STATE:
4017 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
4018 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4019 		break;
4020 	case OPC_OUB_GET_DEVICE_STATE:
4021 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
4022 		break;
4023 	case OPC_OUB_SET_DEV_INFO:
4024 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
4025 		break;
4026 	/* spcv specifc commands */
4027 	case OPC_OUB_PHY_START_RESP:
4028 		pm8001_dbg(pm8001_ha, MSG,
4029 			   "OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
4030 		mpi_phy_start_resp(pm8001_ha, piomb);
4031 		break;
4032 	case OPC_OUB_PHY_STOP_RESP:
4033 		pm8001_dbg(pm8001_ha, MSG,
4034 			   "OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc);
4035 		mpi_phy_stop_resp(pm8001_ha, piomb);
4036 		break;
4037 	case OPC_OUB_SET_CONTROLLER_CONFIG:
4038 		pm8001_dbg(pm8001_ha, MSG,
4039 			   "OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc);
4040 		mpi_set_controller_config_resp(pm8001_ha, piomb);
4041 		break;
4042 	case OPC_OUB_GET_CONTROLLER_CONFIG:
4043 		pm8001_dbg(pm8001_ha, MSG,
4044 			   "OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc);
4045 		mpi_get_controller_config_resp(pm8001_ha, piomb);
4046 		break;
4047 	case OPC_OUB_GET_PHY_PROFILE:
4048 		pm8001_dbg(pm8001_ha, MSG,
4049 			   "OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc);
4050 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
4051 		break;
4052 	case OPC_OUB_FLASH_OP_EXT:
4053 		pm8001_dbg(pm8001_ha, MSG,
4054 			   "OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc);
4055 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
4056 		break;
4057 	case OPC_OUB_SET_PHY_PROFILE:
4058 		pm8001_dbg(pm8001_ha, MSG,
4059 			   "OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc);
4060 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
4061 		break;
4062 	case OPC_OUB_KEK_MANAGEMENT_RESP:
4063 		pm8001_dbg(pm8001_ha, MSG,
4064 			   "OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc);
4065 		mpi_kek_management_resp(pm8001_ha, piomb);
4066 		break;
4067 	case OPC_OUB_DEK_MANAGEMENT_RESP:
4068 		pm8001_dbg(pm8001_ha, MSG,
4069 			   "OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc);
4070 		mpi_dek_management_resp(pm8001_ha, piomb);
4071 		break;
4072 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
4073 		pm8001_dbg(pm8001_ha, MSG,
4074 			   "OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc);
4075 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
4076 		break;
4077 	default:
4078 		pm8001_dbg(pm8001_ha, DEVIO,
4079 			   "Unknown outbound Queue IOMB OPC = 0x%x\n", opc);
4080 		break;
4081 	}
4082 }
4083 
4084 static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
4085 {
4086 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_0: 0x%x\n",
4087 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
4088 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_1:0x%x\n",
4089 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1));
4090 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_2: 0x%x\n",
4091 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2));
4092 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_3: 0x%x\n",
4093 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
4094 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
4095 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0));
4096 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
4097 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1));
4098 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
4099 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2));
4100 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
4101 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3));
4102 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
4103 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4));
4104 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
4105 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5));
4106 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
4107 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6));
4108 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
4109 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7));
4110 }
4111 
4112 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4113 {
4114 	struct outbound_queue_table *circularQ;
4115 	void *pMsg1 = NULL;
4116 	u8 bc;
4117 	u32 ret = MPI_IO_STATUS_FAIL;
4118 	unsigned long flags;
4119 	u32 regval;
4120 
4121 	if (vec == (pm8001_ha->max_q_num - 1)) {
4122 		regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
4123 		if ((regval & SCRATCH_PAD_MIPSALL_READY) !=
4124 					SCRATCH_PAD_MIPSALL_READY) {
4125 			pm8001_ha->controller_fatal_error = true;
4126 			pm8001_dbg(pm8001_ha, FAIL,
4127 				   "Firmware Fatal error! Regval:0x%x\n",
4128 				   regval);
4129 			print_scratchpad_registers(pm8001_ha);
4130 			return ret;
4131 		}
4132 	}
4133 	spin_lock_irqsave(&pm8001_ha->lock, flags);
4134 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4135 	do {
4136 		/* spurious interrupt during setup if kexec-ing and
4137 		 * driver doing a doorbell access w/ the pre-kexec oq
4138 		 * interrupt setup.
4139 		 */
4140 		if (!circularQ->pi_virt)
4141 			break;
4142 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4143 		if (MPI_IO_STATUS_SUCCESS == ret) {
4144 			/* process the outbound message */
4145 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
4146 			/* free the message from the outbound circular buffer */
4147 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4148 							circularQ, bc);
4149 		}
4150 		if (MPI_IO_STATUS_BUSY == ret) {
4151 			/* Update the producer index from SPC */
4152 			circularQ->producer_index =
4153 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4154 			if (le32_to_cpu(circularQ->producer_index) ==
4155 				circularQ->consumer_idx)
4156 				/* OQ is empty */
4157 				break;
4158 		}
4159 	} while (1);
4160 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4161 	return ret;
4162 }
4163 
4164 /* DMA_... to our direction translation. */
4165 static const u8 data_dir_flags[] = {
4166 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4167 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4168 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4169 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4170 };
4171 
4172 static void build_smp_cmd(u32 deviceID, __le32 hTag,
4173 			struct smp_req *psmp_cmd, int mode, int length)
4174 {
4175 	psmp_cmd->tag = hTag;
4176 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4177 	if (mode == SMP_DIRECT) {
4178 		length = length - 4; /* subtract crc */
4179 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
4180 	} else {
4181 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4182 	}
4183 }
4184 
4185 /**
4186  * pm8001_chip_smp_req - send a SMP task to FW
4187  * @pm8001_ha: our hba card information.
4188  * @ccb: the ccb information this request used.
4189  */
4190 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4191 	struct pm8001_ccb_info *ccb)
4192 {
4193 	int elem, rc;
4194 	struct sas_task *task = ccb->task;
4195 	struct domain_device *dev = task->dev;
4196 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4197 	struct scatterlist *sg_req, *sg_resp;
4198 	u32 req_len, resp_len;
4199 	struct smp_req smp_cmd;
4200 	u32 opc;
4201 	struct inbound_queue_table *circularQ;
4202 	char *preq_dma_addr = NULL;
4203 	__le64 tmp_addr;
4204 	u32 i, length;
4205 
4206 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4207 	/*
4208 	 * DMA-map SMP request, response buffers
4209 	 */
4210 	sg_req = &task->smp_task.smp_req;
4211 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4212 	if (!elem)
4213 		return -ENOMEM;
4214 	req_len = sg_dma_len(sg_req);
4215 
4216 	sg_resp = &task->smp_task.smp_resp;
4217 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4218 	if (!elem) {
4219 		rc = -ENOMEM;
4220 		goto err_out;
4221 	}
4222 	resp_len = sg_dma_len(sg_resp);
4223 	/* must be in dwords */
4224 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4225 		rc = -EINVAL;
4226 		goto err_out_2;
4227 	}
4228 
4229 	opc = OPC_INB_SMP_REQUEST;
4230 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4231 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4232 
4233 	length = sg_req->length;
4234 	pm8001_dbg(pm8001_ha, IO, "SMP Frame Length %d\n", sg_req->length);
4235 	if (!(length - 8))
4236 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
4237 	else
4238 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
4239 
4240 
4241 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4242 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
4243 
4244 	/* INDIRECT MODE command settings. Use DMA */
4245 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
4246 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST INDIRECT MODE\n");
4247 		/* for SPCv indirect mode. Place the top 4 bytes of
4248 		 * SMP Request header here. */
4249 		for (i = 0; i < 4; i++)
4250 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
4251 		/* exclude top 4 bytes for SMP req header */
4252 		smp_cmd.long_smp_req.long_req_addr =
4253 			cpu_to_le64((u64)sg_dma_address
4254 				(&task->smp_task.smp_req) + 4);
4255 		/* exclude 4 bytes for SMP req header and CRC */
4256 		smp_cmd.long_smp_req.long_req_size =
4257 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
4258 		smp_cmd.long_smp_req.long_resp_addr =
4259 				cpu_to_le64((u64)sg_dma_address
4260 					(&task->smp_task.smp_resp));
4261 		smp_cmd.long_smp_req.long_resp_size =
4262 				cpu_to_le32((u32)sg_dma_len
4263 					(&task->smp_task.smp_resp)-4);
4264 	} else { /* DIRECT MODE */
4265 		smp_cmd.long_smp_req.long_req_addr =
4266 			cpu_to_le64((u64)sg_dma_address
4267 					(&task->smp_task.smp_req));
4268 		smp_cmd.long_smp_req.long_req_size =
4269 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4270 		smp_cmd.long_smp_req.long_resp_addr =
4271 			cpu_to_le64((u64)sg_dma_address
4272 				(&task->smp_task.smp_resp));
4273 		smp_cmd.long_smp_req.long_resp_size =
4274 			cpu_to_le32
4275 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4276 	}
4277 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
4278 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST DIRECT MODE\n");
4279 		for (i = 0; i < length; i++)
4280 			if (i < 16) {
4281 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
4282 				pm8001_dbg(pm8001_ha, IO,
4283 					   "Byte[%d]:%x (DMA data:%x)\n",
4284 					   i, smp_cmd.smp_req16[i],
4285 					   *(preq_dma_addr));
4286 			} else {
4287 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
4288 				pm8001_dbg(pm8001_ha, IO,
4289 					   "Byte[%d]:%x (DMA data:%x)\n",
4290 					   i, smp_cmd.smp_req[i],
4291 					   *(preq_dma_addr));
4292 			}
4293 	}
4294 
4295 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
4296 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
4297 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &smp_cmd,
4298 			sizeof(smp_cmd), 0);
4299 	if (rc)
4300 		goto err_out_2;
4301 	return 0;
4302 
4303 err_out_2:
4304 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4305 			DMA_FROM_DEVICE);
4306 err_out:
4307 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4308 			DMA_TO_DEVICE);
4309 	return rc;
4310 }
4311 
4312 static int check_enc_sas_cmd(struct sas_task *task)
4313 {
4314 	u8 cmd = task->ssp_task.cmd->cmnd[0];
4315 
4316 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4317 		return 1;
4318 	else
4319 		return 0;
4320 }
4321 
4322 static int check_enc_sat_cmd(struct sas_task *task)
4323 {
4324 	int ret = 0;
4325 	switch (task->ata_task.fis.command) {
4326 	case ATA_CMD_FPDMA_READ:
4327 	case ATA_CMD_READ_EXT:
4328 	case ATA_CMD_READ:
4329 	case ATA_CMD_FPDMA_WRITE:
4330 	case ATA_CMD_WRITE_EXT:
4331 	case ATA_CMD_WRITE:
4332 	case ATA_CMD_PIO_READ:
4333 	case ATA_CMD_PIO_READ_EXT:
4334 	case ATA_CMD_PIO_WRITE:
4335 	case ATA_CMD_PIO_WRITE_EXT:
4336 		ret = 1;
4337 		break;
4338 	default:
4339 		ret = 0;
4340 		break;
4341 	}
4342 	return ret;
4343 }
4344 
4345 /**
4346  * pm80xx_chip_ssp_io_req - send a SSP task to FW
4347  * @pm8001_ha: our hba card information.
4348  * @ccb: the ccb information this request used.
4349  */
4350 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4351 	struct pm8001_ccb_info *ccb)
4352 {
4353 	struct sas_task *task = ccb->task;
4354 	struct domain_device *dev = task->dev;
4355 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4356 	struct ssp_ini_io_start_req ssp_cmd;
4357 	u32 tag = ccb->ccb_tag;
4358 	int ret;
4359 	u64 phys_addr, start_addr, end_addr;
4360 	u32 end_addr_high, end_addr_low;
4361 	struct inbound_queue_table *circularQ;
4362 	u32 q_index, cpu_id;
4363 	u32 opc = OPC_INB_SSPINIIOSTART;
4364 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4365 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4366 	/* data address domain added for spcv; set to 0 by host,
4367 	 * used internally by controller
4368 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4369 	 */
4370 	ssp_cmd.dad_dir_m_tlr =
4371 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4372 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4373 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4374 	ssp_cmd.tag = cpu_to_le32(tag);
4375 	if (task->ssp_task.enable_first_burst)
4376 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4377 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4378 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4379 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4380 		       task->ssp_task.cmd->cmd_len);
4381 	cpu_id = smp_processor_id();
4382 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4383 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4384 
4385 	/* Check if encryption is set */
4386 	if (pm8001_ha->chip->encrypt &&
4387 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4388 		pm8001_dbg(pm8001_ha, IO,
4389 			   "Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4390 			   task->ssp_task.cmd->cmnd[0]);
4391 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4392 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4393 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4394 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4395 
4396 		/* fill in PRD (scatter/gather) table, if any */
4397 		if (task->num_scatter > 1) {
4398 			pm8001_chip_make_sg(task->scatter,
4399 						ccb->n_elem, ccb->buf_prd);
4400 			phys_addr = ccb->ccb_dma_handle;
4401 			ssp_cmd.enc_addr_low =
4402 				cpu_to_le32(lower_32_bits(phys_addr));
4403 			ssp_cmd.enc_addr_high =
4404 				cpu_to_le32(upper_32_bits(phys_addr));
4405 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4406 		} else if (task->num_scatter == 1) {
4407 			u64 dma_addr = sg_dma_address(task->scatter);
4408 			ssp_cmd.enc_addr_low =
4409 				cpu_to_le32(lower_32_bits(dma_addr));
4410 			ssp_cmd.enc_addr_high =
4411 				cpu_to_le32(upper_32_bits(dma_addr));
4412 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4413 			ssp_cmd.enc_esgl = 0;
4414 			/* Check 4G Boundary */
4415 			start_addr = cpu_to_le64(dma_addr);
4416 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4417 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4418 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4419 			if (end_addr_high != ssp_cmd.enc_addr_high) {
4420 				pm8001_dbg(pm8001_ha, FAIL,
4421 					   "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",
4422 					   start_addr, ssp_cmd.enc_len,
4423 					   end_addr_high, end_addr_low);
4424 				pm8001_chip_make_sg(task->scatter, 1,
4425 					ccb->buf_prd);
4426 				phys_addr = ccb->ccb_dma_handle;
4427 				ssp_cmd.enc_addr_low =
4428 					cpu_to_le32(lower_32_bits(phys_addr));
4429 				ssp_cmd.enc_addr_high =
4430 					cpu_to_le32(upper_32_bits(phys_addr));
4431 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4432 			}
4433 		} else if (task->num_scatter == 0) {
4434 			ssp_cmd.enc_addr_low = 0;
4435 			ssp_cmd.enc_addr_high = 0;
4436 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4437 			ssp_cmd.enc_esgl = 0;
4438 		}
4439 		/* XTS mode. All other fields are 0 */
4440 		ssp_cmd.key_cmode = 0x6 << 4;
4441 		/* set tweak values. Should be the start lba */
4442 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4443 						(task->ssp_task.cmd->cmnd[3] << 16) |
4444 						(task->ssp_task.cmd->cmnd[4] << 8) |
4445 						(task->ssp_task.cmd->cmnd[5]));
4446 	} else {
4447 		pm8001_dbg(pm8001_ha, IO,
4448 			   "Sending Normal SAS command 0x%x inb q %x\n",
4449 			   task->ssp_task.cmd->cmnd[0], q_index);
4450 		/* fill in PRD (scatter/gather) table, if any */
4451 		if (task->num_scatter > 1) {
4452 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4453 					ccb->buf_prd);
4454 			phys_addr = ccb->ccb_dma_handle;
4455 			ssp_cmd.addr_low =
4456 				cpu_to_le32(lower_32_bits(phys_addr));
4457 			ssp_cmd.addr_high =
4458 				cpu_to_le32(upper_32_bits(phys_addr));
4459 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4460 		} else if (task->num_scatter == 1) {
4461 			u64 dma_addr = sg_dma_address(task->scatter);
4462 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4463 			ssp_cmd.addr_high =
4464 				cpu_to_le32(upper_32_bits(dma_addr));
4465 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4466 			ssp_cmd.esgl = 0;
4467 			/* Check 4G Boundary */
4468 			start_addr = cpu_to_le64(dma_addr);
4469 			end_addr = (start_addr + ssp_cmd.len) - 1;
4470 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4471 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4472 			if (end_addr_high != ssp_cmd.addr_high) {
4473 				pm8001_dbg(pm8001_ha, FAIL,
4474 					   "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",
4475 					   start_addr, ssp_cmd.len,
4476 					   end_addr_high, end_addr_low);
4477 				pm8001_chip_make_sg(task->scatter, 1,
4478 					ccb->buf_prd);
4479 				phys_addr = ccb->ccb_dma_handle;
4480 				ssp_cmd.addr_low =
4481 					cpu_to_le32(lower_32_bits(phys_addr));
4482 				ssp_cmd.addr_high =
4483 					cpu_to_le32(upper_32_bits(phys_addr));
4484 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4485 			}
4486 		} else if (task->num_scatter == 0) {
4487 			ssp_cmd.addr_low = 0;
4488 			ssp_cmd.addr_high = 0;
4489 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4490 			ssp_cmd.esgl = 0;
4491 		}
4492 	}
4493 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4494 			&ssp_cmd, sizeof(ssp_cmd), q_index);
4495 	return ret;
4496 }
4497 
4498 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4499 	struct pm8001_ccb_info *ccb)
4500 {
4501 	struct sas_task *task = ccb->task;
4502 	struct domain_device *dev = task->dev;
4503 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4504 	u32 tag = ccb->ccb_tag;
4505 	int ret;
4506 	u32 q_index, cpu_id;
4507 	struct sata_start_req sata_cmd;
4508 	u32 hdr_tag, ncg_tag = 0;
4509 	u64 phys_addr, start_addr, end_addr;
4510 	u32 end_addr_high, end_addr_low;
4511 	u32 ATAP = 0x0;
4512 	u32 dir;
4513 	struct inbound_queue_table *circularQ;
4514 	unsigned long flags;
4515 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4516 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4517 	cpu_id = smp_processor_id();
4518 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4519 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4520 
4521 	if (task->data_dir == DMA_NONE) {
4522 		ATAP = 0x04; /* no data*/
4523 		pm8001_dbg(pm8001_ha, IO, "no data\n");
4524 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4525 		if (task->ata_task.dma_xfer) {
4526 			ATAP = 0x06; /* DMA */
4527 			pm8001_dbg(pm8001_ha, IO, "DMA\n");
4528 		} else {
4529 			ATAP = 0x05; /* PIO*/
4530 			pm8001_dbg(pm8001_ha, IO, "PIO\n");
4531 		}
4532 		if (task->ata_task.use_ncq &&
4533 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4534 			ATAP = 0x07; /* FPDMA */
4535 			pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4536 		}
4537 	}
4538 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4539 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4540 		ncg_tag = hdr_tag;
4541 	}
4542 	dir = data_dir_flags[task->data_dir] << 8;
4543 	sata_cmd.tag = cpu_to_le32(tag);
4544 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4545 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4546 
4547 	sata_cmd.sata_fis = task->ata_task.fis;
4548 	if (likely(!task->ata_task.device_control_reg_update))
4549 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4550 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4551 
4552 	/* Check if encryption is set */
4553 	if (pm8001_ha->chip->encrypt &&
4554 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4555 		pm8001_dbg(pm8001_ha, IO,
4556 			   "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4557 			   sata_cmd.sata_fis.command);
4558 		opc = OPC_INB_SATA_DIF_ENC_IO;
4559 
4560 		/* set encryption bit */
4561 		sata_cmd.ncqtag_atap_dir_m_dad =
4562 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4563 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4564 							/* dad (bit 0-1) is 0 */
4565 		/* fill in PRD (scatter/gather) table, if any */
4566 		if (task->num_scatter > 1) {
4567 			pm8001_chip_make_sg(task->scatter,
4568 						ccb->n_elem, ccb->buf_prd);
4569 			phys_addr = ccb->ccb_dma_handle;
4570 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4571 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4572 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4573 		} else if (task->num_scatter == 1) {
4574 			u64 dma_addr = sg_dma_address(task->scatter);
4575 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4576 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4577 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4578 			sata_cmd.enc_esgl = 0;
4579 			/* Check 4G Boundary */
4580 			start_addr = cpu_to_le64(dma_addr);
4581 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4582 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4583 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4584 			if (end_addr_high != sata_cmd.enc_addr_high) {
4585 				pm8001_dbg(pm8001_ha, FAIL,
4586 					   "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",
4587 					   start_addr, sata_cmd.enc_len,
4588 					   end_addr_high, end_addr_low);
4589 				pm8001_chip_make_sg(task->scatter, 1,
4590 					ccb->buf_prd);
4591 				phys_addr = ccb->ccb_dma_handle;
4592 				sata_cmd.enc_addr_low =
4593 					lower_32_bits(phys_addr);
4594 				sata_cmd.enc_addr_high =
4595 					upper_32_bits(phys_addr);
4596 				sata_cmd.enc_esgl =
4597 					cpu_to_le32(1 << 31);
4598 			}
4599 		} else if (task->num_scatter == 0) {
4600 			sata_cmd.enc_addr_low = 0;
4601 			sata_cmd.enc_addr_high = 0;
4602 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4603 			sata_cmd.enc_esgl = 0;
4604 		}
4605 		/* XTS mode. All other fields are 0 */
4606 		sata_cmd.key_index_mode = 0x6 << 4;
4607 		/* set tweak values. Should be the start lba */
4608 		sata_cmd.twk_val0 =
4609 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4610 					(sata_cmd.sata_fis.lbah << 16) |
4611 					(sata_cmd.sata_fis.lbam << 8) |
4612 					(sata_cmd.sata_fis.lbal));
4613 		sata_cmd.twk_val1 =
4614 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4615 					 (sata_cmd.sata_fis.lbam_exp));
4616 	} else {
4617 		pm8001_dbg(pm8001_ha, IO,
4618 			   "Sending Normal SATA command 0x%x inb %x\n",
4619 			   sata_cmd.sata_fis.command, q_index);
4620 		/* dad (bit 0-1) is 0 */
4621 		sata_cmd.ncqtag_atap_dir_m_dad =
4622 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4623 					((ATAP & 0x3f) << 10) | dir);
4624 
4625 		/* fill in PRD (scatter/gather) table, if any */
4626 		if (task->num_scatter > 1) {
4627 			pm8001_chip_make_sg(task->scatter,
4628 					ccb->n_elem, ccb->buf_prd);
4629 			phys_addr = ccb->ccb_dma_handle;
4630 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4631 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4632 			sata_cmd.esgl = cpu_to_le32(1 << 31);
4633 		} else if (task->num_scatter == 1) {
4634 			u64 dma_addr = sg_dma_address(task->scatter);
4635 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4636 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4637 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4638 			sata_cmd.esgl = 0;
4639 			/* Check 4G Boundary */
4640 			start_addr = cpu_to_le64(dma_addr);
4641 			end_addr = (start_addr + sata_cmd.len) - 1;
4642 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4643 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4644 			if (end_addr_high != sata_cmd.addr_high) {
4645 				pm8001_dbg(pm8001_ha, FAIL,
4646 					   "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",
4647 					   start_addr, sata_cmd.len,
4648 					   end_addr_high, end_addr_low);
4649 				pm8001_chip_make_sg(task->scatter, 1,
4650 					ccb->buf_prd);
4651 				phys_addr = ccb->ccb_dma_handle;
4652 				sata_cmd.addr_low =
4653 					lower_32_bits(phys_addr);
4654 				sata_cmd.addr_high =
4655 					upper_32_bits(phys_addr);
4656 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4657 			}
4658 		} else if (task->num_scatter == 0) {
4659 			sata_cmd.addr_low = 0;
4660 			sata_cmd.addr_high = 0;
4661 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4662 			sata_cmd.esgl = 0;
4663 		}
4664 		/* scsi cdb */
4665 		sata_cmd.atapi_scsi_cdb[0] =
4666 			cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4667 			(task->ata_task.atapi_packet[1] << 8) |
4668 			(task->ata_task.atapi_packet[2] << 16) |
4669 			(task->ata_task.atapi_packet[3] << 24)));
4670 		sata_cmd.atapi_scsi_cdb[1] =
4671 			cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4672 			(task->ata_task.atapi_packet[5] << 8) |
4673 			(task->ata_task.atapi_packet[6] << 16) |
4674 			(task->ata_task.atapi_packet[7] << 24)));
4675 		sata_cmd.atapi_scsi_cdb[2] =
4676 			cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4677 			(task->ata_task.atapi_packet[9] << 8) |
4678 			(task->ata_task.atapi_packet[10] << 16) |
4679 			(task->ata_task.atapi_packet[11] << 24)));
4680 		sata_cmd.atapi_scsi_cdb[3] =
4681 			cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4682 			(task->ata_task.atapi_packet[13] << 8) |
4683 			(task->ata_task.atapi_packet[14] << 16) |
4684 			(task->ata_task.atapi_packet[15] << 24)));
4685 	}
4686 
4687 	/* Check for read log for failed drive and return */
4688 	if (sata_cmd.sata_fis.command == 0x2f) {
4689 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4690 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4691 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4692 			struct task_status_struct *ts;
4693 
4694 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4695 			ts = &task->task_status;
4696 
4697 			spin_lock_irqsave(&task->task_state_lock, flags);
4698 			ts->resp = SAS_TASK_COMPLETE;
4699 			ts->stat = SAM_STAT_GOOD;
4700 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4701 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4702 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4703 			if (unlikely((task->task_state_flags &
4704 					SAS_TASK_STATE_ABORTED))) {
4705 				spin_unlock_irqrestore(&task->task_state_lock,
4706 							flags);
4707 				pm8001_dbg(pm8001_ha, FAIL,
4708 					   "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4709 					   task, ts->resp,
4710 					   ts->stat);
4711 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4712 				return 0;
4713 			} else {
4714 				spin_unlock_irqrestore(&task->task_state_lock,
4715 							flags);
4716 				pm8001_ccb_task_free_done(pm8001_ha, task,
4717 								ccb, tag);
4718 				atomic_dec(&pm8001_ha_dev->running_req);
4719 				return 0;
4720 			}
4721 		}
4722 	}
4723 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4724 			&sata_cmd, sizeof(sata_cmd), q_index);
4725 	return ret;
4726 }
4727 
4728 /**
4729  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4730  * @pm8001_ha: our hba card information.
4731  * @phy_id: the phy id which we wanted to start up.
4732  */
4733 static int
4734 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4735 {
4736 	struct phy_start_req payload;
4737 	struct inbound_queue_table *circularQ;
4738 	int ret;
4739 	u32 tag = 0x01;
4740 	u32 opcode = OPC_INB_PHYSTART;
4741 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4742 	memset(&payload, 0, sizeof(payload));
4743 	payload.tag = cpu_to_le32(tag);
4744 
4745 	pm8001_dbg(pm8001_ha, INIT, "PHY START REQ for phy_id %d\n", phy_id);
4746 
4747 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4748 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
4749 	/* SSC Disable and SAS Analog ST configuration */
4750 	/**
4751 	payload.ase_sh_lm_slr_phyid =
4752 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4753 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4754 		phy_id);
4755 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4756 	**/
4757 
4758 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4759 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4760 	memcpy(payload.sas_identify.sas_addr,
4761 	  &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4762 	payload.sas_identify.phy_id = phy_id;
4763 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4764 			sizeof(payload), 0);
4765 	return ret;
4766 }
4767 
4768 /**
4769  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4770  * @pm8001_ha: our hba card information.
4771  * @phy_id: the phy id which we wanted to start up.
4772  */
4773 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4774 	u8 phy_id)
4775 {
4776 	struct phy_stop_req payload;
4777 	struct inbound_queue_table *circularQ;
4778 	int ret;
4779 	u32 tag = 0x01;
4780 	u32 opcode = OPC_INB_PHYSTOP;
4781 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4782 	memset(&payload, 0, sizeof(payload));
4783 	payload.tag = cpu_to_le32(tag);
4784 	payload.phy_id = cpu_to_le32(phy_id);
4785 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4786 			sizeof(payload), 0);
4787 	return ret;
4788 }
4789 
4790 /*
4791  * see comments on pm8001_mpi_reg_resp.
4792  */
4793 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4794 	struct pm8001_device *pm8001_dev, u32 flag)
4795 {
4796 	struct reg_dev_req payload;
4797 	u32	opc;
4798 	u32 stp_sspsmp_sata = 0x4;
4799 	struct inbound_queue_table *circularQ;
4800 	u32 linkrate, phy_id;
4801 	int rc, tag = 0xdeadbeef;
4802 	struct pm8001_ccb_info *ccb;
4803 	u8 retryFlag = 0x1;
4804 	u16 firstBurstSize = 0;
4805 	u16 ITNT = 2000;
4806 	struct domain_device *dev = pm8001_dev->sas_device;
4807 	struct domain_device *parent_dev = dev->parent;
4808 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4809 
4810 	memset(&payload, 0, sizeof(payload));
4811 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4812 	if (rc)
4813 		return rc;
4814 	ccb = &pm8001_ha->ccb_info[tag];
4815 	ccb->device = pm8001_dev;
4816 	ccb->ccb_tag = tag;
4817 	payload.tag = cpu_to_le32(tag);
4818 
4819 	if (flag == 1) {
4820 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4821 	} else {
4822 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4823 			stp_sspsmp_sata = 0x00; /* stp*/
4824 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4825 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4826 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4827 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4828 	}
4829 	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4830 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4831 	else
4832 		phy_id = pm8001_dev->attached_phy;
4833 
4834 	opc = OPC_INB_REG_DEV;
4835 
4836 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4837 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4838 
4839 	payload.phyid_portid =
4840 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4841 		((phy_id & 0xFF) << 8));
4842 
4843 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4844 		((linkrate & 0x0F) << 24) |
4845 		((stp_sspsmp_sata & 0x03) << 28));
4846 	payload.firstburstsize_ITNexustimeout =
4847 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4848 
4849 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4850 		SAS_ADDR_SIZE);
4851 
4852 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4853 			sizeof(payload), 0);
4854 	if (rc)
4855 		pm8001_tag_free(pm8001_ha, tag);
4856 
4857 	return rc;
4858 }
4859 
4860 /**
4861  * pm80xx_chip_phy_ctl_req - support the local phy operation
4862  * @pm8001_ha: our hba card information.
4863  * @phyId: the phy id which we wanted to operate
4864  * @phy_op: phy operation to request
4865  */
4866 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4867 	u32 phyId, u32 phy_op)
4868 {
4869 	u32 tag;
4870 	int rc;
4871 	struct local_phy_ctl_req payload;
4872 	struct inbound_queue_table *circularQ;
4873 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4874 	memset(&payload, 0, sizeof(payload));
4875 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4876 	if (rc)
4877 		return rc;
4878 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4879 	payload.tag = cpu_to_le32(tag);
4880 	payload.phyop_phyid =
4881 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4882 	return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4883 			sizeof(payload), 0);
4884 }
4885 
4886 static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4887 {
4888 #ifdef PM8001_USE_MSIX
4889 	return 1;
4890 #else
4891 	u32 value;
4892 
4893 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4894 	if (value)
4895 		return 1;
4896 	return 0;
4897 #endif
4898 }
4899 
4900 /**
4901  * pm8001_chip_isr - PM8001 isr handler.
4902  * @pm8001_ha: our hba card information.
4903  * @vec: irq number.
4904  */
4905 static irqreturn_t
4906 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4907 {
4908 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4909 	pm8001_dbg(pm8001_ha, DEVIO,
4910 		   "irq vec %d, ODMR:0x%x\n",
4911 		   vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4912 	process_oq(pm8001_ha, vec);
4913 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4914 	return IRQ_HANDLED;
4915 }
4916 
4917 static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4918 				    u32 operation, u32 phyid,
4919 				    u32 length, u32 *buf)
4920 {
4921 	u32 tag , i, j = 0;
4922 	int rc;
4923 	struct set_phy_profile_req payload;
4924 	struct inbound_queue_table *circularQ;
4925 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4926 
4927 	memset(&payload, 0, sizeof(payload));
4928 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4929 	if (rc)
4930 		pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n");
4931 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4932 	payload.tag = cpu_to_le32(tag);
4933 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4934 	pm8001_dbg(pm8001_ha, INIT,
4935 		   " phy profile command for phy %x ,length is %d\n",
4936 		   payload.ppc_phyid, length);
4937 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4938 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4939 		j++;
4940 	}
4941 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4942 			sizeof(payload), 0);
4943 	if (rc)
4944 		pm8001_tag_free(pm8001_ha, tag);
4945 }
4946 
4947 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4948 	u32 length, u8 *buf)
4949 {
4950 	u32 i;
4951 
4952 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4953 		mpi_set_phy_profile_req(pm8001_ha,
4954 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4955 		length = length + PHY_DWORD_LENGTH;
4956 	}
4957 	pm8001_dbg(pm8001_ha, INIT, "phy settings completed\n");
4958 }
4959 
4960 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
4961 		u32 phy, u32 length, u32 *buf)
4962 {
4963 	u32 tag, opc;
4964 	int rc, i;
4965 	struct set_phy_profile_req payload;
4966 	struct inbound_queue_table *circularQ;
4967 
4968 	memset(&payload, 0, sizeof(payload));
4969 
4970 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4971 	if (rc)
4972 		pm8001_dbg(pm8001_ha, INIT, "Invalid tag\n");
4973 
4974 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4975 	opc = OPC_INB_SET_PHY_PROFILE;
4976 
4977 	payload.tag = cpu_to_le32(tag);
4978 	payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
4979 				| (phy & 0xFF));
4980 
4981 	for (i = 0; i < length; i++)
4982 		payload.reserved[i] = cpu_to_le32(*(buf + i));
4983 
4984 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4985 			sizeof(payload), 0);
4986 	if (rc)
4987 		pm8001_tag_free(pm8001_ha, tag);
4988 
4989 	pm8001_dbg(pm8001_ha, INIT, "PHY %d settings applied\n", phy);
4990 }
4991 const struct pm8001_dispatch pm8001_80xx_dispatch = {
4992 	.name			= "pmc80xx",
4993 	.chip_init		= pm80xx_chip_init,
4994 	.chip_soft_rst		= pm80xx_chip_soft_rst,
4995 	.chip_rst		= pm80xx_hw_chip_rst,
4996 	.chip_iounmap		= pm8001_chip_iounmap,
4997 	.isr			= pm80xx_chip_isr,
4998 	.is_our_interrupt	= pm80xx_chip_is_our_interrupt,
4999 	.isr_process_oq		= process_oq,
5000 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
5001 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
5002 	.make_prd		= pm8001_chip_make_sg,
5003 	.smp_req		= pm80xx_chip_smp_req,
5004 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
5005 	.sata_req		= pm80xx_chip_sata_req,
5006 	.phy_start_req		= pm80xx_chip_phy_start_req,
5007 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
5008 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
5009 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5010 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
5011 	.task_abort		= pm8001_chip_abort_task,
5012 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5013 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5014 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5015 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5016 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5017 	.fatal_errors		= pm80xx_fatal_errors,
5018 };
5019