xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision 1f012283)
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 retrieved */
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 		pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
791 		offsetib = i * 0x20;
792 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
793 			get_pci_bar_index(pm8001_mr32(addressib,
794 				(offsetib + 0x14)));
795 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
796 			pm8001_mr32(addressib, (offsetib + 0x18));
797 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
798 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
799 
800 		pm8001_dbg(pm8001_ha, DEV,
801 			   "IQ %d pi_bar 0x%x pi_offset 0x%x\n", i,
802 			   pm8001_ha->inbnd_q_tbl[i].pi_pci_bar,
803 			   pm8001_ha->inbnd_q_tbl[i].pi_offset);
804 	}
805 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
806 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
807 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
808 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
809 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
810 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
811 			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
812 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
813 		  (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
814 		pm8001_ha->outbnd_q_tbl[i].total_length		=
815 			pm8001_ha->memoryMap.region[ob_offset + i].total_len;
816 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
817 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
818 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
819 			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
820 		/* interrupt vector based on oq */
821 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
822 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
823 			pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
824 		pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
825 		offsetob = i * 0x24;
826 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
827 			get_pci_bar_index(pm8001_mr32(addressob,
828 			offsetob + 0x14));
829 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
830 			pm8001_mr32(addressob, (offsetob + 0x18));
831 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
832 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
833 
834 		pm8001_dbg(pm8001_ha, DEV,
835 			   "OQ %d ci_bar 0x%x ci_offset 0x%x\n", i,
836 			   pm8001_ha->outbnd_q_tbl[i].ci_pci_bar,
837 			   pm8001_ha->outbnd_q_tbl[i].ci_offset);
838 	}
839 }
840 
841 /**
842  * update_main_config_table - update the main default table to the HBA.
843  * @pm8001_ha: our hba card information
844  */
845 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
846 {
847 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
848 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
849 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
850 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
851 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
852 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
853 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
854 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
855 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
856 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
857 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
858 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
859 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
860 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
861 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
862 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
863 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
864 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
865 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
866 	/* Update Fatal error interrupt vector */
867 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
868 					((pm8001_ha->max_q_num - 1) << 8);
869 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
870 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
871 	pm8001_dbg(pm8001_ha, DEV,
872 		   "Updated Fatal error interrupt vector 0x%x\n",
873 		   pm8001_mr32(address, MAIN_FATAL_ERROR_INTERRUPT));
874 
875 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
876 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
877 
878 	/* SPCv specific */
879 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
880 	/* Set GPIOLED to 0x2 for LED indicator */
881 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
882 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
883 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
884 	pm8001_dbg(pm8001_ha, DEV,
885 		   "Programming DW 0x21 in main cfg table with 0x%x\n",
886 		   pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET));
887 
888 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
889 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
890 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
891 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
892 
893 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
894 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
895 							PORT_RECOVERY_TIMEOUT;
896 	if (pm8001_ha->chip_id == chip_8006) {
897 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
898 					0x0000ffff;
899 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
900 					CHIP_8006_PORT_RECOVERY_TIMEOUT;
901 	}
902 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
903 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
904 }
905 
906 /**
907  * update_inbnd_queue_table - update the inbound queue table to the HBA.
908  * @pm8001_ha: our hba card information
909  * @number: entry in the queue
910  */
911 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
912 					 int number)
913 {
914 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
915 	u16 offset = number * 0x20;
916 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
917 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
918 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
919 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
920 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
921 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
922 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
923 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
924 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
925 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
926 
927 	pm8001_dbg(pm8001_ha, DEV,
928 		   "IQ %d: Element pri size 0x%x\n",
929 		   number,
930 		   pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
931 
932 	pm8001_dbg(pm8001_ha, DEV,
933 		   "IQ upr base addr 0x%x IQ lwr base addr 0x%x\n",
934 		   pm8001_ha->inbnd_q_tbl[number].upper_base_addr,
935 		   pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
936 
937 	pm8001_dbg(pm8001_ha, DEV,
938 		   "CI upper base addr 0x%x CI lower base addr 0x%x\n",
939 		   pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr,
940 		   pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
941 }
942 
943 /**
944  * update_outbnd_queue_table - update the outbound queue table to the HBA.
945  * @pm8001_ha: our hba card information
946  * @number: entry in the queue
947  */
948 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
949 						 int number)
950 {
951 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
952 	u16 offset = number * 0x24;
953 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
954 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
955 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
956 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
957 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
958 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
959 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
960 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
961 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
962 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
963 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
964 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
965 
966 	pm8001_dbg(pm8001_ha, DEV,
967 		   "OQ %d: Element pri size 0x%x\n",
968 		   number,
969 		   pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
970 
971 	pm8001_dbg(pm8001_ha, DEV,
972 		   "OQ upr base addr 0x%x OQ lwr base addr 0x%x\n",
973 		   pm8001_ha->outbnd_q_tbl[number].upper_base_addr,
974 		   pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
975 
976 	pm8001_dbg(pm8001_ha, DEV,
977 		   "PI upper base addr 0x%x PI lower base addr 0x%x\n",
978 		   pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr,
979 		   pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
980 }
981 
982 /**
983  * mpi_init_check - check firmware initialization status.
984  * @pm8001_ha: our hba card information
985  */
986 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
987 {
988 	u32 max_wait_count;
989 	u32 value;
990 	u32 gst_len_mpistate;
991 
992 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
993 	table is updated */
994 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
995 	/* wait until Inbound DoorBell Clear Register toggled */
996 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
997 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
998 	} else {
999 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1000 	}
1001 	do {
1002 		msleep(FW_READY_INTERVAL);
1003 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1004 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
1005 	} while ((value != 0) && (--max_wait_count));
1006 
1007 	if (!max_wait_count) {
1008 		/* additional check */
1009 		pm8001_dbg(pm8001_ha, FAIL,
1010 			   "Inb doorbell clear not toggled[value:%x]\n",
1011 			   value);
1012 		return -EBUSY;
1013 	}
1014 	/* check the MPI-State for initialization up to 100ms*/
1015 	max_wait_count = 5;/* 100 msec */
1016 	do {
1017 		msleep(FW_READY_INTERVAL);
1018 		gst_len_mpistate =
1019 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1020 					GST_GSTLEN_MPIS_OFFSET);
1021 	} while ((GST_MPI_STATE_INIT !=
1022 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
1023 	if (!max_wait_count)
1024 		return -EBUSY;
1025 
1026 	/* check MPI Initialization error */
1027 	gst_len_mpistate = gst_len_mpistate >> 16;
1028 	if (0x0000 != gst_len_mpistate)
1029 		return -EBUSY;
1030 
1031 	return 0;
1032 }
1033 
1034 /**
1035  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
1036  * This function sleeps hence it must not be used in atomic context.
1037  * @pm8001_ha: our hba card information
1038  */
1039 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
1040 {
1041 	u32 value;
1042 	u32 max_wait_count;
1043 	u32 max_wait_time;
1044 	u32 expected_mask;
1045 	int ret = 0;
1046 
1047 	/* reset / PCIe ready */
1048 	max_wait_time = max_wait_count = 5;	/* 100 milli sec */
1049 	do {
1050 		msleep(FW_READY_INTERVAL);
1051 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1052 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
1053 
1054 	/* check ila, RAAE and iops status */
1055 	if ((pm8001_ha->chip_id != chip_8008) &&
1056 			(pm8001_ha->chip_id != chip_8009)) {
1057 		max_wait_time = max_wait_count = 180;   /* 3600 milli sec */
1058 		expected_mask = SCRATCH_PAD_ILA_READY |
1059 			SCRATCH_PAD_RAAE_READY |
1060 			SCRATCH_PAD_IOP0_READY |
1061 			SCRATCH_PAD_IOP1_READY;
1062 	} else {
1063 		max_wait_time = max_wait_count = 170;   /* 3400 milli sec */
1064 		expected_mask = SCRATCH_PAD_ILA_READY |
1065 			SCRATCH_PAD_RAAE_READY |
1066 			SCRATCH_PAD_IOP0_READY;
1067 	}
1068 	do {
1069 		msleep(FW_READY_INTERVAL);
1070 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1071 	} while (((value & expected_mask) !=
1072 				 expected_mask) && (--max_wait_count));
1073 	if (!max_wait_count) {
1074 		pm8001_dbg(pm8001_ha, INIT,
1075 		"At least one FW component failed to load within %d millisec: Scratchpad1: 0x%x\n",
1076 			max_wait_time * FW_READY_INTERVAL, value);
1077 		ret = -1;
1078 	} else {
1079 		pm8001_dbg(pm8001_ha, MSG,
1080 			"All FW components ready by %d ms\n",
1081 			(max_wait_time - max_wait_count) * FW_READY_INTERVAL);
1082 	}
1083 	return ret;
1084 }
1085 
1086 static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
1087 {
1088 	void __iomem *base_addr;
1089 	u32	value;
1090 	u32	offset;
1091 	u32	pcibar;
1092 	u32	pcilogic;
1093 
1094 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1095 
1096 	/*
1097 	 * lower 26 bits of SCRATCHPAD0 register describes offset within the
1098 	 * PCIe BAR where the MPI configuration table is present
1099 	 */
1100 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
1101 
1102 	pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
1103 		   offset, value);
1104 	/*
1105 	 * Upper 6 bits describe the offset within PCI config space where BAR
1106 	 * is located.
1107 	 */
1108 	pcilogic = (value & 0xFC000000) >> 26;
1109 	pcibar = get_pci_bar_index(pcilogic);
1110 	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
1111 
1112 	/*
1113 	 * Make sure the offset falls inside the ioremapped PCI BAR
1114 	 */
1115 	if (offset > pm8001_ha->io_mem[pcibar].memsize) {
1116 		pm8001_dbg(pm8001_ha, FAIL,
1117 			"Main cfg tbl offset outside %u > %u\n",
1118 				offset, pm8001_ha->io_mem[pcibar].memsize);
1119 		return -EBUSY;
1120 	}
1121 	pm8001_ha->main_cfg_tbl_addr = base_addr =
1122 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
1123 
1124 	/*
1125 	 * Validate main configuration table address: first DWord should read
1126 	 * "PMCS"
1127 	 */
1128 	value = pm8001_mr32(pm8001_ha->main_cfg_tbl_addr, 0);
1129 	if (memcmp(&value, "PMCS", 4) != 0) {
1130 		pm8001_dbg(pm8001_ha, FAIL,
1131 			"BAD main config signature 0x%x\n",
1132 				value);
1133 		return -EBUSY;
1134 	}
1135 	pm8001_dbg(pm8001_ha, INIT,
1136 			"VALID main config signature 0x%x\n", value);
1137 	pm8001_ha->general_stat_tbl_addr =
1138 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
1139 					0xFFFFFF);
1140 	pm8001_ha->inbnd_q_tbl_addr =
1141 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
1142 					0xFFFFFF);
1143 	pm8001_ha->outbnd_q_tbl_addr =
1144 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
1145 					0xFFFFFF);
1146 	pm8001_ha->ivt_tbl_addr =
1147 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
1148 					0xFFFFFF);
1149 	pm8001_ha->pspa_q_tbl_addr =
1150 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
1151 					0xFFFFFF);
1152 	pm8001_ha->fatal_tbl_addr =
1153 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
1154 					0xFFFFFF);
1155 
1156 	pm8001_dbg(pm8001_ha, INIT, "GST OFFSET 0x%x\n",
1157 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x18));
1158 	pm8001_dbg(pm8001_ha, INIT, "INBND OFFSET 0x%x\n",
1159 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C));
1160 	pm8001_dbg(pm8001_ha, INIT, "OBND OFFSET 0x%x\n",
1161 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x20));
1162 	pm8001_dbg(pm8001_ha, INIT, "IVT OFFSET 0x%x\n",
1163 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C));
1164 	pm8001_dbg(pm8001_ha, INIT, "PSPA OFFSET 0x%x\n",
1165 		   pm8001_cr32(pm8001_ha, pcibar, offset + 0x90));
1166 	pm8001_dbg(pm8001_ha, INIT, "addr - main cfg %p general status %p\n",
1167 		   pm8001_ha->main_cfg_tbl_addr,
1168 		   pm8001_ha->general_stat_tbl_addr);
1169 	pm8001_dbg(pm8001_ha, INIT, "addr - inbnd %p obnd %p\n",
1170 		   pm8001_ha->inbnd_q_tbl_addr,
1171 		   pm8001_ha->outbnd_q_tbl_addr);
1172 	pm8001_dbg(pm8001_ha, INIT, "addr - pspa %p ivt %p\n",
1173 		   pm8001_ha->pspa_q_tbl_addr,
1174 		   pm8001_ha->ivt_tbl_addr);
1175 	return 0;
1176 }
1177 
1178 /**
1179  * pm80xx_set_thermal_config - support the thermal configuration
1180  * @pm8001_ha: our hba card information.
1181  */
1182 int
1183 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
1184 {
1185 	struct set_ctrl_cfg_req payload;
1186 	struct inbound_queue_table *circularQ;
1187 	int rc;
1188 	u32 tag;
1189 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1190 	u32 page_code;
1191 
1192 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1193 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1194 	if (rc)
1195 		return -1;
1196 
1197 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1198 	payload.tag = cpu_to_le32(tag);
1199 
1200 	if (IS_SPCV_12G(pm8001_ha->pdev))
1201 		page_code = THERMAL_PAGE_CODE_7H;
1202 	else
1203 		page_code = THERMAL_PAGE_CODE_8H;
1204 
1205 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
1206 				(THERMAL_ENABLE << 8) | page_code;
1207 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
1208 
1209 	pm8001_dbg(pm8001_ha, DEV,
1210 		   "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n",
1211 		   payload.cfg_pg[0], payload.cfg_pg[1]);
1212 
1213 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1214 			sizeof(payload), 0);
1215 	if (rc)
1216 		pm8001_tag_free(pm8001_ha, tag);
1217 	return rc;
1218 
1219 }
1220 
1221 /**
1222 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
1223 * Timer configuration page
1224 * @pm8001_ha: our hba card information.
1225 */
1226 static int
1227 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
1228 {
1229 	struct set_ctrl_cfg_req payload;
1230 	struct inbound_queue_table *circularQ;
1231 	SASProtocolTimerConfig_t SASConfigPage;
1232 	int rc;
1233 	u32 tag;
1234 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1235 
1236 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1237 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
1238 
1239 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1240 
1241 	if (rc)
1242 		return -1;
1243 
1244 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1245 	payload.tag = cpu_to_le32(tag);
1246 
1247 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
1248 	SASConfigPage.MST_MSI         =  3 << 15;
1249 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
1250 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
1251 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
1252 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
1253 
1254 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
1255 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
1256 
1257 
1258 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
1259 						SAS_OPNRJT_RTRY_INTVL;
1260 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
1261 						| SAS_COPNRJT_RTRY_TMO;
1262 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
1263 						| SAS_COPNRJT_RTRY_THR;
1264 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
1265 
1266 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.pageCode 0x%08x\n",
1267 		   SASConfigPage.pageCode);
1268 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MST_MSI  0x%08x\n",
1269 		   SASConfigPage.MST_MSI);
1270 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_SSP_MCT_TMO  0x%08x\n",
1271 		   SASConfigPage.STP_SSP_MCT_TMO);
1272 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_FRM_TMO  0x%08x\n",
1273 		   SASConfigPage.STP_FRM_TMO);
1274 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_IDLE_TMO  0x%08x\n",
1275 		   SASConfigPage.STP_IDLE_TMO);
1276 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.OPNRJT_RTRY_INTVL  0x%08x\n",
1277 		   SASConfigPage.OPNRJT_RTRY_INTVL);
1278 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO  0x%08x\n",
1279 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO);
1280 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR  0x%08x\n",
1281 		   SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR);
1282 	pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MAX_AIP  0x%08x\n",
1283 		   SASConfigPage.MAX_AIP);
1284 
1285 	memcpy(&payload.cfg_pg, &SASConfigPage,
1286 			 sizeof(SASProtocolTimerConfig_t));
1287 
1288 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1289 			sizeof(payload), 0);
1290 	if (rc)
1291 		pm8001_tag_free(pm8001_ha, tag);
1292 
1293 	return rc;
1294 }
1295 
1296 /**
1297  * pm80xx_get_encrypt_info - Check for encryption
1298  * @pm8001_ha: our hba card information.
1299  */
1300 static int
1301 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
1302 {
1303 	u32 scratch3_value;
1304 	int ret = -1;
1305 
1306 	/* Read encryption status from SCRATCH PAD 3 */
1307 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1308 
1309 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1310 					SCRATCH_PAD3_ENC_READY) {
1311 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1312 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1313 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1314 						SCRATCH_PAD3_SMF_ENABLED)
1315 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1316 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1317 						SCRATCH_PAD3_SMA_ENABLED)
1318 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1319 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1320 						SCRATCH_PAD3_SMB_ENABLED)
1321 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1322 		pm8001_ha->encrypt_info.status = 0;
1323 		pm8001_dbg(pm8001_ha, INIT,
1324 			   "Encryption: SCRATCH_PAD3_ENC_READY 0x%08X.Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1325 			   scratch3_value,
1326 			   pm8001_ha->encrypt_info.cipher_mode,
1327 			   pm8001_ha->encrypt_info.sec_mode,
1328 			   pm8001_ha->encrypt_info.status);
1329 		ret = 0;
1330 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1331 					SCRATCH_PAD3_ENC_DISABLED) {
1332 		pm8001_dbg(pm8001_ha, INIT,
1333 			   "Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1334 			   scratch3_value);
1335 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1336 		pm8001_ha->encrypt_info.cipher_mode = 0;
1337 		pm8001_ha->encrypt_info.sec_mode = 0;
1338 		ret = 0;
1339 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1340 				SCRATCH_PAD3_ENC_DIS_ERR) {
1341 		pm8001_ha->encrypt_info.status =
1342 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1343 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1344 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1345 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1346 					SCRATCH_PAD3_SMF_ENABLED)
1347 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1348 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1349 					SCRATCH_PAD3_SMA_ENABLED)
1350 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1351 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1352 					SCRATCH_PAD3_SMB_ENABLED)
1353 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1354 		pm8001_dbg(pm8001_ha, INIT,
1355 			   "Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1356 			   scratch3_value,
1357 			   pm8001_ha->encrypt_info.cipher_mode,
1358 			   pm8001_ha->encrypt_info.sec_mode,
1359 			   pm8001_ha->encrypt_info.status);
1360 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1361 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1362 
1363 		pm8001_ha->encrypt_info.status =
1364 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1365 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1366 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1367 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1368 					SCRATCH_PAD3_SMF_ENABLED)
1369 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1370 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1371 					SCRATCH_PAD3_SMA_ENABLED)
1372 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1373 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1374 					SCRATCH_PAD3_SMB_ENABLED)
1375 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1376 
1377 		pm8001_dbg(pm8001_ha, INIT,
1378 			   "Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X.Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1379 			   scratch3_value,
1380 			   pm8001_ha->encrypt_info.cipher_mode,
1381 			   pm8001_ha->encrypt_info.sec_mode,
1382 			   pm8001_ha->encrypt_info.status);
1383 	}
1384 	return ret;
1385 }
1386 
1387 /**
1388  * pm80xx_encrypt_update - update flash with encryption information
1389  * @pm8001_ha: our hba card information.
1390  */
1391 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1392 {
1393 	struct kek_mgmt_req payload;
1394 	struct inbound_queue_table *circularQ;
1395 	int rc;
1396 	u32 tag;
1397 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1398 
1399 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1400 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1401 	if (rc)
1402 		return -1;
1403 
1404 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1405 	payload.tag = cpu_to_le32(tag);
1406 	/* Currently only one key is used. New KEK index is 1.
1407 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1408 	 */
1409 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1410 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1411 
1412 	pm8001_dbg(pm8001_ha, DEV,
1413 		   "Saving Encryption info to flash. payload 0x%x\n",
1414 		   payload.new_curidx_ksop);
1415 
1416 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1417 			sizeof(payload), 0);
1418 	if (rc)
1419 		pm8001_tag_free(pm8001_ha, tag);
1420 
1421 	return rc;
1422 }
1423 
1424 /**
1425  * pm80xx_chip_init - the main init function that initializes whole PM8001 chip.
1426  * @pm8001_ha: our hba card information
1427  */
1428 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1429 {
1430 	int ret;
1431 	u8 i = 0;
1432 
1433 	/* check the firmware status */
1434 	if (-1 == check_fw_ready(pm8001_ha)) {
1435 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1436 		return -EBUSY;
1437 	}
1438 
1439 	/* Initialize the controller fatal error flag */
1440 	pm8001_ha->controller_fatal_error = false;
1441 
1442 	/* Initialize pci space address eg: mpi offset */
1443 	ret = init_pci_device_addresses(pm8001_ha);
1444 	if (ret) {
1445 		pm8001_dbg(pm8001_ha, FAIL,
1446 			"Failed to init pci addresses");
1447 		return ret;
1448 	}
1449 	init_default_table_values(pm8001_ha);
1450 	read_main_config_table(pm8001_ha);
1451 	read_general_status_table(pm8001_ha);
1452 	read_inbnd_queue_table(pm8001_ha);
1453 	read_outbnd_queue_table(pm8001_ha);
1454 	read_phy_attr_table(pm8001_ha);
1455 
1456 	/* update main config table ,inbound table and outbound table */
1457 	update_main_config_table(pm8001_ha);
1458 	for (i = 0; i < pm8001_ha->max_q_num; i++) {
1459 		update_inbnd_queue_table(pm8001_ha, i);
1460 		update_outbnd_queue_table(pm8001_ha, i);
1461 	}
1462 	/* notify firmware update finished and check initialization status */
1463 	if (0 == mpi_init_check(pm8001_ha)) {
1464 		pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
1465 	} else
1466 		return -EBUSY;
1467 
1468 	/* send SAS protocol timer configuration page to FW */
1469 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1470 
1471 	/* Check for encryption */
1472 	if (pm8001_ha->chip->encrypt) {
1473 		pm8001_dbg(pm8001_ha, INIT, "Checking for encryption\n");
1474 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1475 		if (ret == -1) {
1476 			pm8001_dbg(pm8001_ha, INIT, "Encryption error !!\n");
1477 			if (pm8001_ha->encrypt_info.status == 0x81) {
1478 				pm8001_dbg(pm8001_ha, INIT,
1479 					   "Encryption enabled with error.Saving encryption key to flash\n");
1480 				pm80xx_encrypt_update(pm8001_ha);
1481 			}
1482 		}
1483 	}
1484 	return 0;
1485 }
1486 
1487 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1488 {
1489 	u32 max_wait_count;
1490 	u32 value;
1491 	u32 gst_len_mpistate;
1492 	int ret;
1493 
1494 	ret = init_pci_device_addresses(pm8001_ha);
1495 	if (ret) {
1496 		pm8001_dbg(pm8001_ha, FAIL,
1497 			"Failed to init pci addresses");
1498 		return ret;
1499 	}
1500 
1501 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1502 	table is stop */
1503 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1504 
1505 	/* wait until Inbound DoorBell Clear Register toggled */
1506 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1507 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
1508 	} else {
1509 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1510 	}
1511 	do {
1512 		msleep(FW_READY_INTERVAL);
1513 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1514 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1515 	} while ((value != 0) && (--max_wait_count));
1516 
1517 	if (!max_wait_count) {
1518 		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=%x\n", value);
1519 		return -1;
1520 	}
1521 
1522 	/* check the MPI-State for termination in progress */
1523 	/* wait until Inbound DoorBell Clear Register toggled */
1524 	max_wait_count = 100; /* 2 sec for spcv/ve */
1525 	do {
1526 		msleep(FW_READY_INTERVAL);
1527 		gst_len_mpistate =
1528 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1529 			GST_GSTLEN_MPIS_OFFSET);
1530 		if (GST_MPI_STATE_UNINIT ==
1531 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1532 			break;
1533 	} while (--max_wait_count);
1534 	if (!max_wait_count) {
1535 		pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
1536 			   gst_len_mpistate & GST_MPI_STATE_MASK);
1537 		return -1;
1538 	}
1539 
1540 	return 0;
1541 }
1542 
1543 /**
1544  * pm80xx_fatal_errors - returns non-zero *ONLY* when fatal errors
1545  * @pm8001_ha: our hba card information
1546  *
1547  * Fatal errors are recoverable only after a host reboot.
1548  */
1549 int
1550 pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha)
1551 {
1552 	int ret = 0;
1553 	u32 scratch_pad_rsvd0 = pm8001_cr32(pm8001_ha, 0,
1554 					MSGU_HOST_SCRATCH_PAD_6);
1555 	u32 scratch_pad_rsvd1 = pm8001_cr32(pm8001_ha, 0,
1556 					MSGU_HOST_SCRATCH_PAD_7);
1557 	u32 scratch_pad1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1558 	u32 scratch_pad2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1559 	u32 scratch_pad3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1560 
1561 	if (pm8001_ha->chip_id != chip_8006 &&
1562 			pm8001_ha->chip_id != chip_8074 &&
1563 			pm8001_ha->chip_id != chip_8076) {
1564 		return 0;
1565 	}
1566 
1567 	if (MSGU_SCRATCHPAD1_STATE_FATAL_ERROR(scratch_pad1)) {
1568 		pm8001_dbg(pm8001_ha, FAIL,
1569 			"Fatal error SCRATCHPAD1 = 0x%x SCRATCHPAD2 = 0x%x SCRATCHPAD3 = 0x%x SCRATCHPAD_RSVD0 = 0x%x SCRATCHPAD_RSVD1 = 0x%x\n",
1570 				scratch_pad1, scratch_pad2, scratch_pad3,
1571 				scratch_pad_rsvd0, scratch_pad_rsvd1);
1572 		ret = 1;
1573 	}
1574 
1575 	return ret;
1576 }
1577 
1578 /**
1579  * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that all
1580  * FW register status are reset to the originated status.
1581  * @pm8001_ha: our hba card information
1582  */
1583 
1584 static int
1585 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1586 {
1587 	u32 regval;
1588 	u32 bootloader_state;
1589 	u32 ibutton0, ibutton1;
1590 
1591 	/* Process MPI table uninitialization only if FW is ready */
1592 	if (!pm8001_ha->controller_fatal_error) {
1593 		/* Check if MPI is in ready state to reset */
1594 		if (mpi_uninit_check(pm8001_ha) != 0) {
1595 			u32 r0 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1596 			u32 r1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1597 			u32 r2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1598 			u32 r3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1599 			pm8001_dbg(pm8001_ha, FAIL,
1600 				   "MPI state is not ready scratch: %x:%x:%x:%x\n",
1601 				   r0, r1, r2, r3);
1602 			/* if things aren't ready but the bootloader is ok then
1603 			 * try the reset anyway.
1604 			 */
1605 			if (r1 & SCRATCH_PAD1_BOOTSTATE_MASK)
1606 				return -1;
1607 		}
1608 	}
1609 	/* checked for reset register normal state; 0x0 */
1610 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1611 	pm8001_dbg(pm8001_ha, INIT, "reset register before write : 0x%x\n",
1612 		   regval);
1613 
1614 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1615 	msleep(500);
1616 
1617 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1618 	pm8001_dbg(pm8001_ha, INIT, "reset register after write 0x%x\n",
1619 		   regval);
1620 
1621 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1622 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1623 		pm8001_dbg(pm8001_ha, MSG,
1624 			   " soft reset successful [regval: 0x%x]\n",
1625 			   regval);
1626 	} else {
1627 		pm8001_dbg(pm8001_ha, MSG,
1628 			   " soft reset failed [regval: 0x%x]\n",
1629 			   regval);
1630 
1631 		/* check bootloader is successfully executed or in HDA mode */
1632 		bootloader_state =
1633 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1634 			SCRATCH_PAD1_BOOTSTATE_MASK;
1635 
1636 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1637 			pm8001_dbg(pm8001_ha, MSG,
1638 				   "Bootloader state - HDA mode SEEPROM\n");
1639 		} else if (bootloader_state ==
1640 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1641 			pm8001_dbg(pm8001_ha, MSG,
1642 				   "Bootloader state - HDA mode Bootstrap Pin\n");
1643 		} else if (bootloader_state ==
1644 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1645 			pm8001_dbg(pm8001_ha, MSG,
1646 				   "Bootloader state - HDA mode soft reset\n");
1647 		} else if (bootloader_state ==
1648 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1649 			pm8001_dbg(pm8001_ha, MSG,
1650 				   "Bootloader state-HDA mode critical error\n");
1651 		}
1652 		return -EBUSY;
1653 	}
1654 
1655 	/* check the firmware status after reset */
1656 	if (-1 == check_fw_ready(pm8001_ha)) {
1657 		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
1658 		/* check iButton feature support for motherboard controller */
1659 		if (pm8001_ha->pdev->subsystem_vendor !=
1660 			PCI_VENDOR_ID_ADAPTEC2 &&
1661 			pm8001_ha->pdev->subsystem_vendor !=
1662 			PCI_VENDOR_ID_ATTO &&
1663 			pm8001_ha->pdev->subsystem_vendor != 0) {
1664 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1665 					MSGU_HOST_SCRATCH_PAD_6);
1666 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1667 					MSGU_HOST_SCRATCH_PAD_7);
1668 			if (!ibutton0 && !ibutton1) {
1669 				pm8001_dbg(pm8001_ha, FAIL,
1670 					   "iButton Feature is not Available!!!\n");
1671 				return -EBUSY;
1672 			}
1673 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1674 				pm8001_dbg(pm8001_ha, FAIL,
1675 					   "CRC Check for iButton Feature Failed!!!\n");
1676 				return -EBUSY;
1677 			}
1678 		}
1679 	}
1680 	pm8001_dbg(pm8001_ha, INIT, "SPCv soft reset Complete\n");
1681 	return 0;
1682 }
1683 
1684 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1685 {
1686 	u32 i;
1687 
1688 	pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1689 
1690 	/* do SPCv chip reset. */
1691 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1692 	pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1693 
1694 	/* Check this ..whether delay is required or no */
1695 	/* delay 10 usec */
1696 	udelay(10);
1697 
1698 	/* wait for 20 msec until the firmware gets reloaded */
1699 	i = 20;
1700 	do {
1701 		mdelay(1);
1702 	} while ((--i) != 0);
1703 
1704 	pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1705 }
1706 
1707 /**
1708  * pm80xx_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1709  * @pm8001_ha: our hba card information
1710  */
1711 static void
1712 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1713 {
1714 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1715 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1716 }
1717 
1718 /**
1719  * pm80xx_chip_intx_interrupt_disable - disable PM8001 chip interrupt
1720  * @pm8001_ha: our hba card information
1721  */
1722 static void
1723 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1724 {
1725 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1726 }
1727 
1728 /**
1729  * pm80xx_chip_interrupt_enable - enable PM8001 chip interrupt
1730  * @pm8001_ha: our hba card information
1731  * @vec: interrupt number to enable
1732  */
1733 static void
1734 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1735 {
1736 #ifdef PM8001_USE_MSIX
1737 	u32 mask;
1738 	mask = (u32)(1 << vec);
1739 
1740 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1741 	return;
1742 #endif
1743 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1744 
1745 }
1746 
1747 /**
1748  * pm80xx_chip_interrupt_disable - disable PM8001 chip interrupt
1749  * @pm8001_ha: our hba card information
1750  * @vec: interrupt number to disable
1751  */
1752 static void
1753 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1754 {
1755 #ifdef PM8001_USE_MSIX
1756 	u32 mask;
1757 	if (vec == 0xFF)
1758 		mask = 0xFFFFFFFF;
1759 	else
1760 		mask = (u32)(1 << vec);
1761 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1762 	return;
1763 #endif
1764 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1765 }
1766 
1767 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1768 		struct pm8001_device *pm8001_ha_dev)
1769 {
1770 	int res;
1771 	u32 ccb_tag;
1772 	struct pm8001_ccb_info *ccb;
1773 	struct sas_task *task = NULL;
1774 	struct task_abort_req task_abort;
1775 	struct inbound_queue_table *circularQ;
1776 	u32 opc = OPC_INB_SATA_ABORT;
1777 	int ret;
1778 
1779 	if (!pm8001_ha_dev) {
1780 		pm8001_dbg(pm8001_ha, FAIL, "dev is null\n");
1781 		return;
1782 	}
1783 
1784 	task = sas_alloc_slow_task(GFP_ATOMIC);
1785 
1786 	if (!task) {
1787 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1788 		return;
1789 	}
1790 
1791 	task->task_done = pm8001_task_done;
1792 
1793 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1794 	if (res) {
1795 		sas_free_task(task);
1796 		return;
1797 	}
1798 
1799 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1800 	ccb->device = pm8001_ha_dev;
1801 	ccb->ccb_tag = ccb_tag;
1802 	ccb->task = task;
1803 
1804 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1805 
1806 	memset(&task_abort, 0, sizeof(task_abort));
1807 	task_abort.abort_all = cpu_to_le32(1);
1808 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1809 	task_abort.tag = cpu_to_le32(ccb_tag);
1810 
1811 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
1812 			sizeof(task_abort), 0);
1813 	pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n");
1814 	if (ret) {
1815 		sas_free_task(task);
1816 		pm8001_tag_free(pm8001_ha, ccb_tag);
1817 	}
1818 }
1819 
1820 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1821 		struct pm8001_device *pm8001_ha_dev)
1822 {
1823 	struct sata_start_req sata_cmd;
1824 	int res;
1825 	u32 ccb_tag;
1826 	struct pm8001_ccb_info *ccb;
1827 	struct sas_task *task = NULL;
1828 	struct host_to_dev_fis fis;
1829 	struct domain_device *dev;
1830 	struct inbound_queue_table *circularQ;
1831 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1832 
1833 	task = sas_alloc_slow_task(GFP_ATOMIC);
1834 
1835 	if (!task) {
1836 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1837 		return;
1838 	}
1839 	task->task_done = pm8001_task_done;
1840 
1841 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1842 	if (res) {
1843 		sas_free_task(task);
1844 		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate tag !!!\n");
1845 		return;
1846 	}
1847 
1848 	/* allocate domain device by ourselves as libsas
1849 	 * is not going to provide any
1850 	*/
1851 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1852 	if (!dev) {
1853 		sas_free_task(task);
1854 		pm8001_tag_free(pm8001_ha, ccb_tag);
1855 		pm8001_dbg(pm8001_ha, FAIL,
1856 			   "Domain device cannot be allocated\n");
1857 		return;
1858 	}
1859 
1860 	task->dev = dev;
1861 	task->dev->lldd_dev = pm8001_ha_dev;
1862 
1863 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1864 	ccb->device = pm8001_ha_dev;
1865 	ccb->ccb_tag = ccb_tag;
1866 	ccb->task = task;
1867 	ccb->n_elem = 0;
1868 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1869 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1870 
1871 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1872 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1873 
1874 	/* construct read log FIS */
1875 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1876 	fis.fis_type = 0x27;
1877 	fis.flags = 0x80;
1878 	fis.command = ATA_CMD_READ_LOG_EXT;
1879 	fis.lbal = 0x10;
1880 	fis.sector_count = 0x1;
1881 
1882 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1883 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1884 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1885 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1886 
1887 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd,
1888 			sizeof(sata_cmd), 0);
1889 	pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n");
1890 	if (res) {
1891 		sas_free_task(task);
1892 		pm8001_tag_free(pm8001_ha, ccb_tag);
1893 		kfree(dev);
1894 	}
1895 }
1896 
1897 /**
1898  * mpi_ssp_completion - process the event that FW response to the SSP request.
1899  * @pm8001_ha: our hba card information
1900  * @piomb: the message contents of this outbound message.
1901  *
1902  * When FW has completed a ssp request for example a IO request, after it has
1903  * filled the SG data with the data, it will trigger this event representing
1904  * that he has finished the job; please check the corresponding buffer.
1905  * So we will tell the caller who maybe waiting the result to tell upper layer
1906  * that the task has been finished.
1907  */
1908 static void
1909 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1910 {
1911 	struct sas_task *t;
1912 	struct pm8001_ccb_info *ccb;
1913 	unsigned long flags;
1914 	u32 status;
1915 	u32 param;
1916 	u32 tag;
1917 	struct ssp_completion_resp *psspPayload;
1918 	struct task_status_struct *ts;
1919 	struct ssp_response_iu *iu;
1920 	struct pm8001_device *pm8001_dev;
1921 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1922 	status = le32_to_cpu(psspPayload->status);
1923 	tag = le32_to_cpu(psspPayload->tag);
1924 	ccb = &pm8001_ha->ccb_info[tag];
1925 	if ((status == IO_ABORTED) && ccb->open_retry) {
1926 		/* Being completed by another */
1927 		ccb->open_retry = 0;
1928 		return;
1929 	}
1930 	pm8001_dev = ccb->device;
1931 	param = le32_to_cpu(psspPayload->param);
1932 	t = ccb->task;
1933 
1934 	if (status && status != IO_UNDERFLOW)
1935 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1936 	if (unlikely(!t || !t->lldd_task || !t->dev))
1937 		return;
1938 	ts = &t->task_status;
1939 
1940 	pm8001_dbg(pm8001_ha, DEV,
1941 		   "tag::0x%x, status::0x%x task::0x%p\n", tag, status, t);
1942 
1943 	/* Print sas address of IO failed device */
1944 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1945 		(status != IO_UNDERFLOW))
1946 		pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1947 			   SAS_ADDR(t->dev->sas_addr));
1948 
1949 	switch (status) {
1950 	case IO_SUCCESS:
1951 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS ,param = 0x%x\n",
1952 			   param);
1953 		if (param == 0) {
1954 			ts->resp = SAS_TASK_COMPLETE;
1955 			ts->stat = SAS_SAM_STAT_GOOD;
1956 		} else {
1957 			ts->resp = SAS_TASK_COMPLETE;
1958 			ts->stat = SAS_PROTO_RESPONSE;
1959 			ts->residual = param;
1960 			iu = &psspPayload->ssp_resp_iu;
1961 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1962 		}
1963 		if (pm8001_dev)
1964 			atomic_dec(&pm8001_dev->running_req);
1965 		break;
1966 	case IO_ABORTED:
1967 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1968 		ts->resp = SAS_TASK_COMPLETE;
1969 		ts->stat = SAS_ABORTED_TASK;
1970 		if (pm8001_dev)
1971 			atomic_dec(&pm8001_dev->running_req);
1972 		break;
1973 	case IO_UNDERFLOW:
1974 		/* SSP Completion with error */
1975 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW ,param = 0x%x\n",
1976 			   param);
1977 		ts->resp = SAS_TASK_COMPLETE;
1978 		ts->stat = SAS_DATA_UNDERRUN;
1979 		ts->residual = param;
1980 		if (pm8001_dev)
1981 			atomic_dec(&pm8001_dev->running_req);
1982 		break;
1983 	case IO_NO_DEVICE:
1984 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1985 		ts->resp = SAS_TASK_UNDELIVERED;
1986 		ts->stat = SAS_PHY_DOWN;
1987 		if (pm8001_dev)
1988 			atomic_dec(&pm8001_dev->running_req);
1989 		break;
1990 	case IO_XFER_ERROR_BREAK:
1991 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1992 		ts->resp = SAS_TASK_COMPLETE;
1993 		ts->stat = SAS_OPEN_REJECT;
1994 		/* Force the midlayer to retry */
1995 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1996 		if (pm8001_dev)
1997 			atomic_dec(&pm8001_dev->running_req);
1998 		break;
1999 	case IO_XFER_ERROR_PHY_NOT_READY:
2000 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2001 		ts->resp = SAS_TASK_COMPLETE;
2002 		ts->stat = SAS_OPEN_REJECT;
2003 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2004 		if (pm8001_dev)
2005 			atomic_dec(&pm8001_dev->running_req);
2006 		break;
2007 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
2008 		pm8001_dbg(pm8001_ha, IO,
2009 			   "IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n");
2010 		ts->resp = SAS_TASK_COMPLETE;
2011 		ts->stat = SAS_OPEN_REJECT;
2012 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2013 		if (pm8001_dev)
2014 			atomic_dec(&pm8001_dev->running_req);
2015 		break;
2016 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2017 		pm8001_dbg(pm8001_ha, IO,
2018 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2019 		ts->resp = SAS_TASK_COMPLETE;
2020 		ts->stat = SAS_OPEN_REJECT;
2021 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2022 		if (pm8001_dev)
2023 			atomic_dec(&pm8001_dev->running_req);
2024 		break;
2025 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2026 		pm8001_dbg(pm8001_ha, IO,
2027 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2028 		ts->resp = SAS_TASK_COMPLETE;
2029 		ts->stat = SAS_OPEN_REJECT;
2030 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2031 		if (pm8001_dev)
2032 			atomic_dec(&pm8001_dev->running_req);
2033 		break;
2034 	case IO_OPEN_CNX_ERROR_BREAK:
2035 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2036 		ts->resp = SAS_TASK_COMPLETE;
2037 		ts->stat = SAS_OPEN_REJECT;
2038 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2039 		if (pm8001_dev)
2040 			atomic_dec(&pm8001_dev->running_req);
2041 		break;
2042 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2043 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2044 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2045 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2046 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2047 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2048 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2049 		ts->resp = SAS_TASK_COMPLETE;
2050 		ts->stat = SAS_OPEN_REJECT;
2051 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2052 		if (!t->uldd_task)
2053 			pm8001_handle_event(pm8001_ha,
2054 				pm8001_dev,
2055 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2056 		break;
2057 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2058 		pm8001_dbg(pm8001_ha, IO,
2059 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2060 		ts->resp = SAS_TASK_COMPLETE;
2061 		ts->stat = SAS_OPEN_REJECT;
2062 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2063 		if (pm8001_dev)
2064 			atomic_dec(&pm8001_dev->running_req);
2065 		break;
2066 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2067 		pm8001_dbg(pm8001_ha, IO,
2068 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2069 		ts->resp = SAS_TASK_COMPLETE;
2070 		ts->stat = SAS_OPEN_REJECT;
2071 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2072 		if (pm8001_dev)
2073 			atomic_dec(&pm8001_dev->running_req);
2074 		break;
2075 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2076 		pm8001_dbg(pm8001_ha, IO,
2077 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2078 		ts->resp = SAS_TASK_UNDELIVERED;
2079 		ts->stat = SAS_OPEN_REJECT;
2080 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2081 		if (pm8001_dev)
2082 			atomic_dec(&pm8001_dev->running_req);
2083 		break;
2084 	case IO_XFER_ERROR_NAK_RECEIVED:
2085 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2086 		ts->resp = SAS_TASK_COMPLETE;
2087 		ts->stat = SAS_OPEN_REJECT;
2088 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2089 		if (pm8001_dev)
2090 			atomic_dec(&pm8001_dev->running_req);
2091 		break;
2092 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2093 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2094 		ts->resp = SAS_TASK_COMPLETE;
2095 		ts->stat = SAS_NAK_R_ERR;
2096 		if (pm8001_dev)
2097 			atomic_dec(&pm8001_dev->running_req);
2098 		break;
2099 	case IO_XFER_ERROR_DMA:
2100 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2101 		ts->resp = SAS_TASK_COMPLETE;
2102 		ts->stat = SAS_OPEN_REJECT;
2103 		if (pm8001_dev)
2104 			atomic_dec(&pm8001_dev->running_req);
2105 		break;
2106 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2107 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2108 		ts->resp = SAS_TASK_COMPLETE;
2109 		ts->stat = SAS_OPEN_REJECT;
2110 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2111 		if (pm8001_dev)
2112 			atomic_dec(&pm8001_dev->running_req);
2113 		break;
2114 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2115 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2116 		ts->resp = SAS_TASK_COMPLETE;
2117 		ts->stat = SAS_OPEN_REJECT;
2118 		if (pm8001_dev)
2119 			atomic_dec(&pm8001_dev->running_req);
2120 		break;
2121 	case IO_PORT_IN_RESET:
2122 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2123 		ts->resp = SAS_TASK_COMPLETE;
2124 		ts->stat = SAS_OPEN_REJECT;
2125 		if (pm8001_dev)
2126 			atomic_dec(&pm8001_dev->running_req);
2127 		break;
2128 	case IO_DS_NON_OPERATIONAL:
2129 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2130 		ts->resp = SAS_TASK_COMPLETE;
2131 		ts->stat = SAS_OPEN_REJECT;
2132 		if (!t->uldd_task)
2133 			pm8001_handle_event(pm8001_ha,
2134 				pm8001_dev,
2135 				IO_DS_NON_OPERATIONAL);
2136 		break;
2137 	case IO_DS_IN_RECOVERY:
2138 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2139 		ts->resp = SAS_TASK_COMPLETE;
2140 		ts->stat = SAS_OPEN_REJECT;
2141 		if (pm8001_dev)
2142 			atomic_dec(&pm8001_dev->running_req);
2143 		break;
2144 	case IO_TM_TAG_NOT_FOUND:
2145 		pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2146 		ts->resp = SAS_TASK_COMPLETE;
2147 		ts->stat = SAS_OPEN_REJECT;
2148 		if (pm8001_dev)
2149 			atomic_dec(&pm8001_dev->running_req);
2150 		break;
2151 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2152 		pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2153 		ts->resp = SAS_TASK_COMPLETE;
2154 		ts->stat = SAS_OPEN_REJECT;
2155 		if (pm8001_dev)
2156 			atomic_dec(&pm8001_dev->running_req);
2157 		break;
2158 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2159 		pm8001_dbg(pm8001_ha, IO,
2160 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2161 		ts->resp = SAS_TASK_COMPLETE;
2162 		ts->stat = SAS_OPEN_REJECT;
2163 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2164 		if (pm8001_dev)
2165 			atomic_dec(&pm8001_dev->running_req);
2166 		break;
2167 	default:
2168 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2169 		/* not allowed case. Therefore, return failed status */
2170 		ts->resp = SAS_TASK_COMPLETE;
2171 		ts->stat = SAS_OPEN_REJECT;
2172 		if (pm8001_dev)
2173 			atomic_dec(&pm8001_dev->running_req);
2174 		break;
2175 	}
2176 	pm8001_dbg(pm8001_ha, IO, "scsi_status = 0x%x\n ",
2177 		   psspPayload->ssp_resp_iu.status);
2178 	spin_lock_irqsave(&t->task_state_lock, flags);
2179 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2180 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2181 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2182 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2183 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2184 		pm8001_dbg(pm8001_ha, FAIL,
2185 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2186 			   t, status, ts->resp, ts->stat);
2187 		if (t->slow_task)
2188 			complete(&t->slow_task->completion);
2189 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2190 	} else {
2191 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2192 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2193 		mb();/* in order to force CPU ordering */
2194 		t->task_done(t);
2195 	}
2196 }
2197 
2198 /*See the comments for mpi_ssp_completion */
2199 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2200 {
2201 	struct sas_task *t;
2202 	unsigned long flags;
2203 	struct task_status_struct *ts;
2204 	struct pm8001_ccb_info *ccb;
2205 	struct pm8001_device *pm8001_dev;
2206 	struct ssp_event_resp *psspPayload =
2207 		(struct ssp_event_resp *)(piomb + 4);
2208 	u32 event = le32_to_cpu(psspPayload->event);
2209 	u32 tag = le32_to_cpu(psspPayload->tag);
2210 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2211 
2212 	ccb = &pm8001_ha->ccb_info[tag];
2213 	t = ccb->task;
2214 	pm8001_dev = ccb->device;
2215 	if (event)
2216 		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2217 	if (unlikely(!t || !t->lldd_task || !t->dev))
2218 		return;
2219 	ts = &t->task_status;
2220 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2221 		   port_id, tag, event);
2222 	switch (event) {
2223 	case IO_OVERFLOW:
2224 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2225 		ts->resp = SAS_TASK_COMPLETE;
2226 		ts->stat = SAS_DATA_OVERRUN;
2227 		ts->residual = 0;
2228 		if (pm8001_dev)
2229 			atomic_dec(&pm8001_dev->running_req);
2230 		break;
2231 	case IO_XFER_ERROR_BREAK:
2232 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2233 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2234 		return;
2235 	case IO_XFER_ERROR_PHY_NOT_READY:
2236 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2237 		ts->resp = SAS_TASK_COMPLETE;
2238 		ts->stat = SAS_OPEN_REJECT;
2239 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2240 		break;
2241 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2242 		pm8001_dbg(pm8001_ha, IO,
2243 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2244 		ts->resp = SAS_TASK_COMPLETE;
2245 		ts->stat = SAS_OPEN_REJECT;
2246 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2247 		break;
2248 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2249 		pm8001_dbg(pm8001_ha, IO,
2250 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2251 		ts->resp = SAS_TASK_COMPLETE;
2252 		ts->stat = SAS_OPEN_REJECT;
2253 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2254 		break;
2255 	case IO_OPEN_CNX_ERROR_BREAK:
2256 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2257 		ts->resp = SAS_TASK_COMPLETE;
2258 		ts->stat = SAS_OPEN_REJECT;
2259 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2260 		break;
2261 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2262 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2263 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2264 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2265 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2266 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2267 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2268 		ts->resp = SAS_TASK_COMPLETE;
2269 		ts->stat = SAS_OPEN_REJECT;
2270 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2271 		if (!t->uldd_task)
2272 			pm8001_handle_event(pm8001_ha,
2273 				pm8001_dev,
2274 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2275 		break;
2276 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2277 		pm8001_dbg(pm8001_ha, IO,
2278 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2279 		ts->resp = SAS_TASK_COMPLETE;
2280 		ts->stat = SAS_OPEN_REJECT;
2281 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2282 		break;
2283 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2284 		pm8001_dbg(pm8001_ha, IO,
2285 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2286 		ts->resp = SAS_TASK_COMPLETE;
2287 		ts->stat = SAS_OPEN_REJECT;
2288 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2289 		break;
2290 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2291 		pm8001_dbg(pm8001_ha, IO,
2292 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2293 		ts->resp = SAS_TASK_COMPLETE;
2294 		ts->stat = SAS_OPEN_REJECT;
2295 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2296 		break;
2297 	case IO_XFER_ERROR_NAK_RECEIVED:
2298 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2299 		ts->resp = SAS_TASK_COMPLETE;
2300 		ts->stat = SAS_OPEN_REJECT;
2301 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2302 		break;
2303 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2304 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2305 		ts->resp = SAS_TASK_COMPLETE;
2306 		ts->stat = SAS_NAK_R_ERR;
2307 		break;
2308 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2309 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2310 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2311 		return;
2312 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2313 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2314 		ts->resp = SAS_TASK_COMPLETE;
2315 		ts->stat = SAS_DATA_OVERRUN;
2316 		break;
2317 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2318 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2319 		ts->resp = SAS_TASK_COMPLETE;
2320 		ts->stat = SAS_DATA_OVERRUN;
2321 		break;
2322 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2323 		pm8001_dbg(pm8001_ha, IO,
2324 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2325 		ts->resp = SAS_TASK_COMPLETE;
2326 		ts->stat = SAS_DATA_OVERRUN;
2327 		break;
2328 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2329 		pm8001_dbg(pm8001_ha, IO,
2330 			   "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2331 		ts->resp = SAS_TASK_COMPLETE;
2332 		ts->stat = SAS_DATA_OVERRUN;
2333 		break;
2334 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2335 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2336 		ts->resp = SAS_TASK_COMPLETE;
2337 		ts->stat = SAS_DATA_OVERRUN;
2338 		break;
2339 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2340 		pm8001_dbg(pm8001_ha, IO,
2341 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2342 		ts->resp = SAS_TASK_COMPLETE;
2343 		ts->stat = SAS_DATA_OVERRUN;
2344 		break;
2345 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2346 		pm8001_dbg(pm8001_ha, IOERR,
2347 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
2348 		/* TBC: used default set values */
2349 		ts->resp = SAS_TASK_COMPLETE;
2350 		ts->stat = SAS_DATA_OVERRUN;
2351 		break;
2352 	case IO_XFER_CMD_FRAME_ISSUED:
2353 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2354 		return;
2355 	default:
2356 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2357 		/* not allowed case. Therefore, return failed status */
2358 		ts->resp = SAS_TASK_COMPLETE;
2359 		ts->stat = SAS_DATA_OVERRUN;
2360 		break;
2361 	}
2362 	spin_lock_irqsave(&t->task_state_lock, flags);
2363 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2364 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2365 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2366 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2367 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2368 		pm8001_dbg(pm8001_ha, FAIL,
2369 			   "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2370 			   t, event, ts->resp, ts->stat);
2371 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2372 	} else {
2373 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2374 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2375 		mb();/* in order to force CPU ordering */
2376 		t->task_done(t);
2377 	}
2378 }
2379 
2380 /*See the comments for mpi_ssp_completion */
2381 static void
2382 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha,
2383 		struct outbound_queue_table *circularQ, void *piomb)
2384 {
2385 	struct sas_task *t;
2386 	struct pm8001_ccb_info *ccb;
2387 	u32 param;
2388 	u32 status;
2389 	u32 tag;
2390 	int i, j;
2391 	u8 sata_addr_low[4];
2392 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2393 	u8 sata_addr_hi[4];
2394 	struct sata_completion_resp *psataPayload;
2395 	struct task_status_struct *ts;
2396 	struct ata_task_resp *resp ;
2397 	u32 *sata_resp;
2398 	struct pm8001_device *pm8001_dev;
2399 	unsigned long flags;
2400 
2401 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2402 	status = le32_to_cpu(psataPayload->status);
2403 	tag = le32_to_cpu(psataPayload->tag);
2404 
2405 	if (!tag) {
2406 		pm8001_dbg(pm8001_ha, FAIL, "tag null\n");
2407 		return;
2408 	}
2409 	ccb = &pm8001_ha->ccb_info[tag];
2410 	param = le32_to_cpu(psataPayload->param);
2411 	if (ccb) {
2412 		t = ccb->task;
2413 		pm8001_dev = ccb->device;
2414 	} else {
2415 		pm8001_dbg(pm8001_ha, FAIL, "ccb null\n");
2416 		return;
2417 	}
2418 
2419 	if (t) {
2420 		if (t->dev && (t->dev->lldd_dev))
2421 			pm8001_dev = t->dev->lldd_dev;
2422 	} else {
2423 		pm8001_dbg(pm8001_ha, FAIL, "task null\n");
2424 		return;
2425 	}
2426 
2427 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2428 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2429 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2430 		return;
2431 	}
2432 
2433 	ts = &t->task_status;
2434 	if (!ts) {
2435 		pm8001_dbg(pm8001_ha, FAIL, "ts null\n");
2436 		return;
2437 	}
2438 
2439 	if (status != IO_SUCCESS) {
2440 		pm8001_dbg(pm8001_ha, FAIL,
2441 			"IO failed device_id %u status 0x%x tag %d\n",
2442 			pm8001_dev->device_id, status, tag);
2443 	}
2444 
2445 	/* Print sas address of IO failed device */
2446 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2447 		(status != IO_UNDERFLOW)) {
2448 		if (!((t->dev->parent) &&
2449 			(dev_is_expander(t->dev->parent->dev_type)))) {
2450 			for (i = 0, j = 4; i <= 3 && j <= 7; i++, j++)
2451 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2452 			for (i = 0, j = 0; i <= 3 && j <= 3; i++, j++)
2453 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2454 			memcpy(&temp_sata_addr_low, sata_addr_low,
2455 				sizeof(sata_addr_low));
2456 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2457 				sizeof(sata_addr_hi));
2458 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2459 						|((temp_sata_addr_hi << 8) &
2460 						0xff0000) |
2461 						((temp_sata_addr_hi >> 8)
2462 						& 0xff00) |
2463 						((temp_sata_addr_hi << 24) &
2464 						0xff000000));
2465 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2466 						& 0xff) |
2467 						((temp_sata_addr_low << 8)
2468 						& 0xff0000) |
2469 						((temp_sata_addr_low >> 8)
2470 						& 0xff00) |
2471 						((temp_sata_addr_low << 24)
2472 						& 0xff000000)) +
2473 						pm8001_dev->attached_phy +
2474 						0x10);
2475 			pm8001_dbg(pm8001_ha, FAIL,
2476 				   "SAS Address of IO Failure Drive:%08x%08x\n",
2477 				   temp_sata_addr_hi,
2478 				   temp_sata_addr_low);
2479 
2480 		} else {
2481 			pm8001_dbg(pm8001_ha, FAIL,
2482 				   "SAS Address of IO Failure Drive:%016llx\n",
2483 				   SAS_ADDR(t->dev->sas_addr));
2484 		}
2485 	}
2486 	switch (status) {
2487 	case IO_SUCCESS:
2488 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2489 		if (param == 0) {
2490 			ts->resp = SAS_TASK_COMPLETE;
2491 			ts->stat = SAS_SAM_STAT_GOOD;
2492 			/* check if response is for SEND READ LOG */
2493 			if (pm8001_dev &&
2494 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2495 				/* set new bit for abort_all */
2496 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2497 				/* clear bit for read log */
2498 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2499 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2500 				/* Free the tag */
2501 				pm8001_tag_free(pm8001_ha, tag);
2502 				sas_free_task(t);
2503 				return;
2504 			}
2505 		} else {
2506 			u8 len;
2507 			ts->resp = SAS_TASK_COMPLETE;
2508 			ts->stat = SAS_PROTO_RESPONSE;
2509 			ts->residual = param;
2510 			pm8001_dbg(pm8001_ha, IO,
2511 				   "SAS_PROTO_RESPONSE len = %d\n",
2512 				   param);
2513 			sata_resp = &psataPayload->sata_resp[0];
2514 			resp = (struct ata_task_resp *)ts->buf;
2515 			if (t->ata_task.dma_xfer == 0 &&
2516 			    t->data_dir == DMA_FROM_DEVICE) {
2517 				len = sizeof(struct pio_setup_fis);
2518 				pm8001_dbg(pm8001_ha, IO,
2519 					   "PIO read len = %d\n", len);
2520 			} else if (t->ata_task.use_ncq) {
2521 				len = sizeof(struct set_dev_bits_fis);
2522 				pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2523 					   len);
2524 			} else {
2525 				len = sizeof(struct dev_to_host_fis);
2526 				pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2527 					   len);
2528 			}
2529 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2530 				resp->frame_len = len;
2531 				memcpy(&resp->ending_fis[0], sata_resp, len);
2532 				ts->buf_valid_size = sizeof(*resp);
2533 			} else
2534 				pm8001_dbg(pm8001_ha, IO,
2535 					   "response too large\n");
2536 		}
2537 		if (pm8001_dev)
2538 			atomic_dec(&pm8001_dev->running_req);
2539 		break;
2540 	case IO_ABORTED:
2541 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2542 		ts->resp = SAS_TASK_COMPLETE;
2543 		ts->stat = SAS_ABORTED_TASK;
2544 		if (pm8001_dev)
2545 			atomic_dec(&pm8001_dev->running_req);
2546 		break;
2547 		/* following cases are to do cases */
2548 	case IO_UNDERFLOW:
2549 		/* SATA Completion with error */
2550 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2551 		ts->resp = SAS_TASK_COMPLETE;
2552 		ts->stat = SAS_DATA_UNDERRUN;
2553 		ts->residual = param;
2554 		if (pm8001_dev)
2555 			atomic_dec(&pm8001_dev->running_req);
2556 		break;
2557 	case IO_NO_DEVICE:
2558 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2559 		ts->resp = SAS_TASK_UNDELIVERED;
2560 		ts->stat = SAS_PHY_DOWN;
2561 		if (pm8001_dev)
2562 			atomic_dec(&pm8001_dev->running_req);
2563 		break;
2564 	case IO_XFER_ERROR_BREAK:
2565 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2566 		ts->resp = SAS_TASK_COMPLETE;
2567 		ts->stat = SAS_INTERRUPTED;
2568 		if (pm8001_dev)
2569 			atomic_dec(&pm8001_dev->running_req);
2570 		break;
2571 	case IO_XFER_ERROR_PHY_NOT_READY:
2572 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2573 		ts->resp = SAS_TASK_COMPLETE;
2574 		ts->stat = SAS_OPEN_REJECT;
2575 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2576 		if (pm8001_dev)
2577 			atomic_dec(&pm8001_dev->running_req);
2578 		break;
2579 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2580 		pm8001_dbg(pm8001_ha, IO,
2581 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2582 		ts->resp = SAS_TASK_COMPLETE;
2583 		ts->stat = SAS_OPEN_REJECT;
2584 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2585 		if (pm8001_dev)
2586 			atomic_dec(&pm8001_dev->running_req);
2587 		break;
2588 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2589 		pm8001_dbg(pm8001_ha, IO,
2590 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2591 		ts->resp = SAS_TASK_COMPLETE;
2592 		ts->stat = SAS_OPEN_REJECT;
2593 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2594 		if (pm8001_dev)
2595 			atomic_dec(&pm8001_dev->running_req);
2596 		break;
2597 	case IO_OPEN_CNX_ERROR_BREAK:
2598 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2599 		ts->resp = SAS_TASK_COMPLETE;
2600 		ts->stat = SAS_OPEN_REJECT;
2601 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2602 		if (pm8001_dev)
2603 			atomic_dec(&pm8001_dev->running_req);
2604 		break;
2605 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2606 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2607 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2608 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2609 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2610 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2611 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2612 		ts->resp = SAS_TASK_COMPLETE;
2613 		ts->stat = SAS_DEV_NO_RESPONSE;
2614 		if (!t->uldd_task) {
2615 			pm8001_handle_event(pm8001_ha,
2616 				pm8001_dev,
2617 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2618 			ts->resp = SAS_TASK_UNDELIVERED;
2619 			ts->stat = SAS_QUEUE_FULL;
2620 			spin_unlock_irqrestore(&circularQ->oq_lock,
2621 					circularQ->lock_flags);
2622 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2623 			spin_lock_irqsave(&circularQ->oq_lock,
2624 					circularQ->lock_flags);
2625 			return;
2626 		}
2627 		break;
2628 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2629 		pm8001_dbg(pm8001_ha, IO,
2630 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2631 		ts->resp = SAS_TASK_UNDELIVERED;
2632 		ts->stat = SAS_OPEN_REJECT;
2633 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2634 		if (!t->uldd_task) {
2635 			pm8001_handle_event(pm8001_ha,
2636 				pm8001_dev,
2637 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2638 			ts->resp = SAS_TASK_UNDELIVERED;
2639 			ts->stat = SAS_QUEUE_FULL;
2640 			spin_unlock_irqrestore(&circularQ->oq_lock,
2641 					circularQ->lock_flags);
2642 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2643 			spin_lock_irqsave(&circularQ->oq_lock,
2644 					circularQ->lock_flags);
2645 			return;
2646 		}
2647 		break;
2648 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2649 		pm8001_dbg(pm8001_ha, IO,
2650 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2651 		ts->resp = SAS_TASK_COMPLETE;
2652 		ts->stat = SAS_OPEN_REJECT;
2653 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2654 		if (pm8001_dev)
2655 			atomic_dec(&pm8001_dev->running_req);
2656 		break;
2657 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2658 		pm8001_dbg(pm8001_ha, IO,
2659 			   "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2660 		ts->resp = SAS_TASK_COMPLETE;
2661 		ts->stat = SAS_DEV_NO_RESPONSE;
2662 		if (!t->uldd_task) {
2663 			pm8001_handle_event(pm8001_ha,
2664 				pm8001_dev,
2665 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2666 			ts->resp = SAS_TASK_UNDELIVERED;
2667 			ts->stat = SAS_QUEUE_FULL;
2668 			spin_unlock_irqrestore(&circularQ->oq_lock,
2669 					circularQ->lock_flags);
2670 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2671 			spin_lock_irqsave(&circularQ->oq_lock,
2672 					circularQ->lock_flags);
2673 			return;
2674 		}
2675 		break;
2676 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2677 		pm8001_dbg(pm8001_ha, IO,
2678 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2679 		ts->resp = SAS_TASK_COMPLETE;
2680 		ts->stat = SAS_OPEN_REJECT;
2681 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2682 		if (pm8001_dev)
2683 			atomic_dec(&pm8001_dev->running_req);
2684 		break;
2685 	case IO_XFER_ERROR_NAK_RECEIVED:
2686 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2687 		ts->resp = SAS_TASK_COMPLETE;
2688 		ts->stat = SAS_NAK_R_ERR;
2689 		if (pm8001_dev)
2690 			atomic_dec(&pm8001_dev->running_req);
2691 		break;
2692 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2693 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2694 		ts->resp = SAS_TASK_COMPLETE;
2695 		ts->stat = SAS_NAK_R_ERR;
2696 		if (pm8001_dev)
2697 			atomic_dec(&pm8001_dev->running_req);
2698 		break;
2699 	case IO_XFER_ERROR_DMA:
2700 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2701 		ts->resp = SAS_TASK_COMPLETE;
2702 		ts->stat = SAS_ABORTED_TASK;
2703 		if (pm8001_dev)
2704 			atomic_dec(&pm8001_dev->running_req);
2705 		break;
2706 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2707 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2708 		ts->resp = SAS_TASK_UNDELIVERED;
2709 		ts->stat = SAS_DEV_NO_RESPONSE;
2710 		if (pm8001_dev)
2711 			atomic_dec(&pm8001_dev->running_req);
2712 		break;
2713 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2714 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2715 		ts->resp = SAS_TASK_COMPLETE;
2716 		ts->stat = SAS_DATA_UNDERRUN;
2717 		if (pm8001_dev)
2718 			atomic_dec(&pm8001_dev->running_req);
2719 		break;
2720 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2721 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2722 		ts->resp = SAS_TASK_COMPLETE;
2723 		ts->stat = SAS_OPEN_TO;
2724 		if (pm8001_dev)
2725 			atomic_dec(&pm8001_dev->running_req);
2726 		break;
2727 	case IO_PORT_IN_RESET:
2728 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2729 		ts->resp = SAS_TASK_COMPLETE;
2730 		ts->stat = SAS_DEV_NO_RESPONSE;
2731 		if (pm8001_dev)
2732 			atomic_dec(&pm8001_dev->running_req);
2733 		break;
2734 	case IO_DS_NON_OPERATIONAL:
2735 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2736 		ts->resp = SAS_TASK_COMPLETE;
2737 		ts->stat = SAS_DEV_NO_RESPONSE;
2738 		if (!t->uldd_task) {
2739 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2740 					IO_DS_NON_OPERATIONAL);
2741 			ts->resp = SAS_TASK_UNDELIVERED;
2742 			ts->stat = SAS_QUEUE_FULL;
2743 			spin_unlock_irqrestore(&circularQ->oq_lock,
2744 					circularQ->lock_flags);
2745 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2746 			spin_lock_irqsave(&circularQ->oq_lock,
2747 					circularQ->lock_flags);
2748 			return;
2749 		}
2750 		break;
2751 	case IO_DS_IN_RECOVERY:
2752 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2753 		ts->resp = SAS_TASK_COMPLETE;
2754 		ts->stat = SAS_DEV_NO_RESPONSE;
2755 		if (pm8001_dev)
2756 			atomic_dec(&pm8001_dev->running_req);
2757 		break;
2758 	case IO_DS_IN_ERROR:
2759 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2760 		ts->resp = SAS_TASK_COMPLETE;
2761 		ts->stat = SAS_DEV_NO_RESPONSE;
2762 		if (!t->uldd_task) {
2763 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2764 					IO_DS_IN_ERROR);
2765 			ts->resp = SAS_TASK_UNDELIVERED;
2766 			ts->stat = SAS_QUEUE_FULL;
2767 			spin_unlock_irqrestore(&circularQ->oq_lock,
2768 					circularQ->lock_flags);
2769 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2770 			spin_lock_irqsave(&circularQ->oq_lock,
2771 					circularQ->lock_flags);
2772 			return;
2773 		}
2774 		break;
2775 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2776 		pm8001_dbg(pm8001_ha, IO,
2777 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2778 		ts->resp = SAS_TASK_COMPLETE;
2779 		ts->stat = SAS_OPEN_REJECT;
2780 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2781 		if (pm8001_dev)
2782 			atomic_dec(&pm8001_dev->running_req);
2783 		break;
2784 	default:
2785 		pm8001_dbg(pm8001_ha, DEVIO,
2786 				"Unknown status device_id %u status 0x%x tag %d\n",
2787 			pm8001_dev->device_id, status, tag);
2788 		/* not allowed case. Therefore, return failed status */
2789 		ts->resp = SAS_TASK_COMPLETE;
2790 		ts->stat = SAS_DEV_NO_RESPONSE;
2791 		if (pm8001_dev)
2792 			atomic_dec(&pm8001_dev->running_req);
2793 		break;
2794 	}
2795 	spin_lock_irqsave(&t->task_state_lock, flags);
2796 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2797 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2798 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2799 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2800 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2801 		pm8001_dbg(pm8001_ha, FAIL,
2802 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2803 			   t, status, ts->resp, ts->stat);
2804 		if (t->slow_task)
2805 			complete(&t->slow_task->completion);
2806 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2807 	} else {
2808 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2809 		spin_unlock_irqrestore(&circularQ->oq_lock,
2810 				circularQ->lock_flags);
2811 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2812 		spin_lock_irqsave(&circularQ->oq_lock,
2813 				circularQ->lock_flags);
2814 	}
2815 }
2816 
2817 /*See the comments for mpi_ssp_completion */
2818 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha,
2819 		struct outbound_queue_table *circularQ, void *piomb)
2820 {
2821 	struct sas_task *t;
2822 	struct task_status_struct *ts;
2823 	struct pm8001_ccb_info *ccb;
2824 	struct pm8001_device *pm8001_dev;
2825 	struct sata_event_resp *psataPayload =
2826 		(struct sata_event_resp *)(piomb + 4);
2827 	u32 event = le32_to_cpu(psataPayload->event);
2828 	u32 tag = le32_to_cpu(psataPayload->tag);
2829 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2830 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2831 	unsigned long flags;
2832 
2833 	ccb = &pm8001_ha->ccb_info[tag];
2834 
2835 	if (ccb) {
2836 		t = ccb->task;
2837 		pm8001_dev = ccb->device;
2838 	} else {
2839 		pm8001_dbg(pm8001_ha, FAIL, "No CCB !!!. returning\n");
2840 		return;
2841 	}
2842 	if (event)
2843 		pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2844 
2845 	/* Check if this is NCQ error */
2846 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2847 		/* find device using device id */
2848 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2849 		/* send read log extension */
2850 		if (pm8001_dev)
2851 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2852 		return;
2853 	}
2854 
2855 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2856 		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2857 		return;
2858 	}
2859 
2860 	ts = &t->task_status;
2861 	pm8001_dbg(pm8001_ha, IOERR, "port_id:0x%x, tag:0x%x, event:0x%x\n",
2862 		   port_id, tag, event);
2863 	switch (event) {
2864 	case IO_OVERFLOW:
2865 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2866 		ts->resp = SAS_TASK_COMPLETE;
2867 		ts->stat = SAS_DATA_OVERRUN;
2868 		ts->residual = 0;
2869 		if (pm8001_dev)
2870 			atomic_dec(&pm8001_dev->running_req);
2871 		break;
2872 	case IO_XFER_ERROR_BREAK:
2873 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2874 		ts->resp = SAS_TASK_COMPLETE;
2875 		ts->stat = SAS_INTERRUPTED;
2876 		break;
2877 	case IO_XFER_ERROR_PHY_NOT_READY:
2878 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2879 		ts->resp = SAS_TASK_COMPLETE;
2880 		ts->stat = SAS_OPEN_REJECT;
2881 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2882 		break;
2883 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2884 		pm8001_dbg(pm8001_ha, IO,
2885 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2886 		ts->resp = SAS_TASK_COMPLETE;
2887 		ts->stat = SAS_OPEN_REJECT;
2888 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2889 		break;
2890 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2891 		pm8001_dbg(pm8001_ha, IO,
2892 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2893 		ts->resp = SAS_TASK_COMPLETE;
2894 		ts->stat = SAS_OPEN_REJECT;
2895 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2896 		break;
2897 	case IO_OPEN_CNX_ERROR_BREAK:
2898 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2899 		ts->resp = SAS_TASK_COMPLETE;
2900 		ts->stat = SAS_OPEN_REJECT;
2901 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2902 		break;
2903 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2904 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2905 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2906 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2907 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2908 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2909 		pm8001_dbg(pm8001_ha, FAIL,
2910 			   "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2911 		ts->resp = SAS_TASK_UNDELIVERED;
2912 		ts->stat = SAS_DEV_NO_RESPONSE;
2913 		if (!t->uldd_task) {
2914 			pm8001_handle_event(pm8001_ha,
2915 				pm8001_dev,
2916 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2917 			ts->resp = SAS_TASK_COMPLETE;
2918 			ts->stat = SAS_QUEUE_FULL;
2919 			spin_unlock_irqrestore(&circularQ->oq_lock,
2920 					circularQ->lock_flags);
2921 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2922 			spin_lock_irqsave(&circularQ->oq_lock,
2923 					circularQ->lock_flags);
2924 			return;
2925 		}
2926 		break;
2927 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2928 		pm8001_dbg(pm8001_ha, IO,
2929 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2930 		ts->resp = SAS_TASK_UNDELIVERED;
2931 		ts->stat = SAS_OPEN_REJECT;
2932 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2933 		break;
2934 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2935 		pm8001_dbg(pm8001_ha, IO,
2936 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2937 		ts->resp = SAS_TASK_COMPLETE;
2938 		ts->stat = SAS_OPEN_REJECT;
2939 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2940 		break;
2941 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2942 		pm8001_dbg(pm8001_ha, IO,
2943 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2944 		ts->resp = SAS_TASK_COMPLETE;
2945 		ts->stat = SAS_OPEN_REJECT;
2946 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2947 		break;
2948 	case IO_XFER_ERROR_NAK_RECEIVED:
2949 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2950 		ts->resp = SAS_TASK_COMPLETE;
2951 		ts->stat = SAS_NAK_R_ERR;
2952 		break;
2953 	case IO_XFER_ERROR_PEER_ABORTED:
2954 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2955 		ts->resp = SAS_TASK_COMPLETE;
2956 		ts->stat = SAS_NAK_R_ERR;
2957 		break;
2958 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2959 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2960 		ts->resp = SAS_TASK_COMPLETE;
2961 		ts->stat = SAS_DATA_UNDERRUN;
2962 		break;
2963 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2964 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2965 		ts->resp = SAS_TASK_COMPLETE;
2966 		ts->stat = SAS_OPEN_TO;
2967 		break;
2968 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2969 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2970 		ts->resp = SAS_TASK_COMPLETE;
2971 		ts->stat = SAS_OPEN_TO;
2972 		break;
2973 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2974 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2975 		ts->resp = SAS_TASK_COMPLETE;
2976 		ts->stat = SAS_OPEN_TO;
2977 		break;
2978 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2979 		pm8001_dbg(pm8001_ha, IO,
2980 			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2981 		ts->resp = SAS_TASK_COMPLETE;
2982 		ts->stat = SAS_OPEN_TO;
2983 		break;
2984 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2985 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2986 		ts->resp = SAS_TASK_COMPLETE;
2987 		ts->stat = SAS_OPEN_TO;
2988 		break;
2989 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2990 		pm8001_dbg(pm8001_ha, IO,
2991 			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2992 		ts->resp = SAS_TASK_COMPLETE;
2993 		ts->stat = SAS_OPEN_TO;
2994 		break;
2995 	case IO_XFER_CMD_FRAME_ISSUED:
2996 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2997 		break;
2998 	case IO_XFER_PIO_SETUP_ERROR:
2999 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
3000 		ts->resp = SAS_TASK_COMPLETE;
3001 		ts->stat = SAS_OPEN_TO;
3002 		break;
3003 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
3004 		pm8001_dbg(pm8001_ha, FAIL,
3005 			   "IO_XFR_ERROR_INTERNAL_CRC_ERROR\n");
3006 		/* TBC: used default set values */
3007 		ts->resp = SAS_TASK_COMPLETE;
3008 		ts->stat = SAS_OPEN_TO;
3009 		break;
3010 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
3011 		pm8001_dbg(pm8001_ha, FAIL, "IO_XFR_DMA_ACTIVATE_TIMEOUT\n");
3012 		/* TBC: used default set values */
3013 		ts->resp = SAS_TASK_COMPLETE;
3014 		ts->stat = SAS_OPEN_TO;
3015 		break;
3016 	default:
3017 		pm8001_dbg(pm8001_ha, IO, "Unknown status 0x%x\n", event);
3018 		/* not allowed case. Therefore, return failed status */
3019 		ts->resp = SAS_TASK_COMPLETE;
3020 		ts->stat = SAS_OPEN_TO;
3021 		break;
3022 	}
3023 	spin_lock_irqsave(&t->task_state_lock, flags);
3024 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3025 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3026 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3027 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3028 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3029 		pm8001_dbg(pm8001_ha, FAIL,
3030 			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
3031 			   t, event, ts->resp, ts->stat);
3032 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3033 	} else {
3034 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3035 		spin_unlock_irqrestore(&circularQ->oq_lock,
3036 				circularQ->lock_flags);
3037 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
3038 		spin_lock_irqsave(&circularQ->oq_lock,
3039 				circularQ->lock_flags);
3040 	}
3041 }
3042 
3043 /*See the comments for mpi_ssp_completion */
3044 static void
3045 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
3046 {
3047 	u32 param, i;
3048 	struct sas_task *t;
3049 	struct pm8001_ccb_info *ccb;
3050 	unsigned long flags;
3051 	u32 status;
3052 	u32 tag;
3053 	struct smp_completion_resp *psmpPayload;
3054 	struct task_status_struct *ts;
3055 	struct pm8001_device *pm8001_dev;
3056 	char *pdma_respaddr = NULL;
3057 
3058 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
3059 	status = le32_to_cpu(psmpPayload->status);
3060 	tag = le32_to_cpu(psmpPayload->tag);
3061 
3062 	ccb = &pm8001_ha->ccb_info[tag];
3063 	param = le32_to_cpu(psmpPayload->param);
3064 	t = ccb->task;
3065 	ts = &t->task_status;
3066 	pm8001_dev = ccb->device;
3067 	if (status)
3068 		pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
3069 	if (unlikely(!t || !t->lldd_task || !t->dev))
3070 		return;
3071 
3072 	pm8001_dbg(pm8001_ha, DEV, "tag::0x%x status::0x%x\n", tag, status);
3073 
3074 	switch (status) {
3075 
3076 	case IO_SUCCESS:
3077 		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
3078 		ts->resp = SAS_TASK_COMPLETE;
3079 		ts->stat = SAS_SAM_STAT_GOOD;
3080 		if (pm8001_dev)
3081 			atomic_dec(&pm8001_dev->running_req);
3082 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3083 			pm8001_dbg(pm8001_ha, IO,
3084 				   "DIRECT RESPONSE Length:%d\n",
3085 				   param);
3086 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
3087 						((u64)sg_dma_address
3088 						(&t->smp_task.smp_resp))));
3089 			for (i = 0; i < param; i++) {
3090 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
3091 				pm8001_dbg(pm8001_ha, IO,
3092 					   "SMP Byte%d DMA data 0x%x psmp 0x%x\n",
3093 					   i, *(pdma_respaddr + i),
3094 					   psmpPayload->_r_a[i]);
3095 			}
3096 		}
3097 		break;
3098 	case IO_ABORTED:
3099 		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
3100 		ts->resp = SAS_TASK_COMPLETE;
3101 		ts->stat = SAS_ABORTED_TASK;
3102 		if (pm8001_dev)
3103 			atomic_dec(&pm8001_dev->running_req);
3104 		break;
3105 	case IO_OVERFLOW:
3106 		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
3107 		ts->resp = SAS_TASK_COMPLETE;
3108 		ts->stat = SAS_DATA_OVERRUN;
3109 		ts->residual = 0;
3110 		if (pm8001_dev)
3111 			atomic_dec(&pm8001_dev->running_req);
3112 		break;
3113 	case IO_NO_DEVICE:
3114 		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
3115 		ts->resp = SAS_TASK_COMPLETE;
3116 		ts->stat = SAS_PHY_DOWN;
3117 		break;
3118 	case IO_ERROR_HW_TIMEOUT:
3119 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
3120 		ts->resp = SAS_TASK_COMPLETE;
3121 		ts->stat = SAS_SAM_STAT_BUSY;
3122 		break;
3123 	case IO_XFER_ERROR_BREAK:
3124 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
3125 		ts->resp = SAS_TASK_COMPLETE;
3126 		ts->stat = SAS_SAM_STAT_BUSY;
3127 		break;
3128 	case IO_XFER_ERROR_PHY_NOT_READY:
3129 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
3130 		ts->resp = SAS_TASK_COMPLETE;
3131 		ts->stat = SAS_SAM_STAT_BUSY;
3132 		break;
3133 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
3134 		pm8001_dbg(pm8001_ha, IO,
3135 			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
3136 		ts->resp = SAS_TASK_COMPLETE;
3137 		ts->stat = SAS_OPEN_REJECT;
3138 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3139 		break;
3140 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
3141 		pm8001_dbg(pm8001_ha, IO,
3142 			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
3143 		ts->resp = SAS_TASK_COMPLETE;
3144 		ts->stat = SAS_OPEN_REJECT;
3145 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3146 		break;
3147 	case IO_OPEN_CNX_ERROR_BREAK:
3148 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
3149 		ts->resp = SAS_TASK_COMPLETE;
3150 		ts->stat = SAS_OPEN_REJECT;
3151 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
3152 		break;
3153 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
3154 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
3155 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
3156 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
3157 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
3158 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
3159 		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
3160 		ts->resp = SAS_TASK_COMPLETE;
3161 		ts->stat = SAS_OPEN_REJECT;
3162 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3163 		pm8001_handle_event(pm8001_ha,
3164 				pm8001_dev,
3165 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3166 		break;
3167 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3168 		pm8001_dbg(pm8001_ha, IO,
3169 			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
3170 		ts->resp = SAS_TASK_COMPLETE;
3171 		ts->stat = SAS_OPEN_REJECT;
3172 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3173 		break;
3174 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3175 		pm8001_dbg(pm8001_ha, IO,
3176 			   "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
3177 		ts->resp = SAS_TASK_COMPLETE;
3178 		ts->stat = SAS_OPEN_REJECT;
3179 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3180 		break;
3181 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3182 		pm8001_dbg(pm8001_ha, IO,
3183 			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
3184 		ts->resp = SAS_TASK_COMPLETE;
3185 		ts->stat = SAS_OPEN_REJECT;
3186 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3187 		break;
3188 	case IO_XFER_ERROR_RX_FRAME:
3189 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
3190 		ts->resp = SAS_TASK_COMPLETE;
3191 		ts->stat = SAS_DEV_NO_RESPONSE;
3192 		break;
3193 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3194 		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
3195 		ts->resp = SAS_TASK_COMPLETE;
3196 		ts->stat = SAS_OPEN_REJECT;
3197 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3198 		break;
3199 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3200 		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
3201 		ts->resp = SAS_TASK_COMPLETE;
3202 		ts->stat = SAS_QUEUE_FULL;
3203 		break;
3204 	case IO_PORT_IN_RESET:
3205 		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
3206 		ts->resp = SAS_TASK_COMPLETE;
3207 		ts->stat = SAS_OPEN_REJECT;
3208 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3209 		break;
3210 	case IO_DS_NON_OPERATIONAL:
3211 		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
3212 		ts->resp = SAS_TASK_COMPLETE;
3213 		ts->stat = SAS_DEV_NO_RESPONSE;
3214 		break;
3215 	case IO_DS_IN_RECOVERY:
3216 		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
3217 		ts->resp = SAS_TASK_COMPLETE;
3218 		ts->stat = SAS_OPEN_REJECT;
3219 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3220 		break;
3221 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3222 		pm8001_dbg(pm8001_ha, IO,
3223 			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
3224 		ts->resp = SAS_TASK_COMPLETE;
3225 		ts->stat = SAS_OPEN_REJECT;
3226 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3227 		break;
3228 	default:
3229 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
3230 		ts->resp = SAS_TASK_COMPLETE;
3231 		ts->stat = SAS_DEV_NO_RESPONSE;
3232 		/* not allowed case. Therefore, return failed status */
3233 		break;
3234 	}
3235 	spin_lock_irqsave(&t->task_state_lock, flags);
3236 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3237 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3238 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3239 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3240 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3241 		pm8001_dbg(pm8001_ha, FAIL,
3242 			   "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n",
3243 			   t, status, ts->resp, ts->stat);
3244 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3245 	} else {
3246 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3247 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3248 		mb();/* in order to force CPU ordering */
3249 		t->task_done(t);
3250 	}
3251 }
3252 
3253 /**
3254  * pm80xx_hw_event_ack_req- For PM8001, some events need to acknowledge to FW.
3255  * @pm8001_ha: our hba card information
3256  * @Qnum: the outbound queue message number.
3257  * @SEA: source of event to ack
3258  * @port_id: port id.
3259  * @phyId: phy id.
3260  * @param0: parameter 0.
3261  * @param1: parameter 1.
3262  */
3263 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3264 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3265 {
3266 	struct hw_event_ack_req	 payload;
3267 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3268 
3269 	struct inbound_queue_table *circularQ;
3270 
3271 	memset((u8 *)&payload, 0, sizeof(payload));
3272 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3273 	payload.tag = cpu_to_le32(1);
3274 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3275 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
3276 	payload.param0 = cpu_to_le32(param0);
3277 	payload.param1 = cpu_to_le32(param1);
3278 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
3279 			sizeof(payload), 0);
3280 }
3281 
3282 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3283 	u32 phyId, u32 phy_op);
3284 
3285 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
3286 					void *piomb)
3287 {
3288 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
3289 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3290 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3291 	u32 lr_status_evt_portid =
3292 		le32_to_cpu(pPayload->lr_status_evt_portid);
3293 	u8 deviceType = pPayload->sas_identify.dev_type;
3294 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3295 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3296 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3297 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3298 
3299 	if (deviceType == SAS_END_DEVICE) {
3300 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3301 					PHY_NOTIFY_ENABLE_SPINUP);
3302 	}
3303 
3304 	port->wide_port_phymap |= (1U << phy_id);
3305 	pm8001_get_lrate_mode(phy, link_rate);
3306 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3307 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3308 	phy->phy_attached = 1;
3309 }
3310 
3311 /**
3312  * hw_event_sas_phy_up - FW tells me a SAS phy up event.
3313  * @pm8001_ha: our hba card information
3314  * @piomb: IO message buffer
3315  */
3316 static void
3317 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3318 {
3319 	struct hw_event_resp *pPayload =
3320 		(struct hw_event_resp *)(piomb + 4);
3321 	u32 lr_status_evt_portid =
3322 		le32_to_cpu(pPayload->lr_status_evt_portid);
3323 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3324 
3325 	u8 link_rate =
3326 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3327 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3328 	u8 phy_id =
3329 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3330 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3331 
3332 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3333 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3334 	unsigned long flags;
3335 	u8 deviceType = pPayload->sas_identify.dev_type;
3336 	phy->port = port;
3337 	port->port_id = port_id;
3338 	port->port_state = portstate;
3339 	port->wide_port_phymap |= (1U << phy_id);
3340 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3341 	pm8001_dbg(pm8001_ha, MSG,
3342 		   "portid:%d; phyid:%d; linkrate:%d; portstate:%x; devicetype:%x\n",
3343 		   port_id, phy_id, link_rate, portstate, deviceType);
3344 
3345 	switch (deviceType) {
3346 	case SAS_PHY_UNUSED:
3347 		pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3348 		break;
3349 	case SAS_END_DEVICE:
3350 		pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3351 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3352 			PHY_NOTIFY_ENABLE_SPINUP);
3353 		port->port_attached = 1;
3354 		pm8001_get_lrate_mode(phy, link_rate);
3355 		break;
3356 	case SAS_EDGE_EXPANDER_DEVICE:
3357 		pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3358 		port->port_attached = 1;
3359 		pm8001_get_lrate_mode(phy, link_rate);
3360 		break;
3361 	case SAS_FANOUT_EXPANDER_DEVICE:
3362 		pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3363 		port->port_attached = 1;
3364 		pm8001_get_lrate_mode(phy, link_rate);
3365 		break;
3366 	default:
3367 		pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3368 			   deviceType);
3369 		break;
3370 	}
3371 	phy->phy_type |= PORT_TYPE_SAS;
3372 	phy->identify.device_type = deviceType;
3373 	phy->phy_attached = 1;
3374 	if (phy->identify.device_type == SAS_END_DEVICE)
3375 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3376 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3377 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3378 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3379 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3380 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3381 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3382 		sizeof(struct sas_identify_frame)-4);
3383 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3384 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3385 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3386 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3387 		mdelay(200); /* delay a moment to wait for disk to spin up */
3388 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3389 }
3390 
3391 /**
3392  * hw_event_sata_phy_up - FW tells me a SATA phy up event.
3393  * @pm8001_ha: our hba card information
3394  * @piomb: IO message buffer
3395  */
3396 static void
3397 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3398 {
3399 	struct hw_event_resp *pPayload =
3400 		(struct hw_event_resp *)(piomb + 4);
3401 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3402 	u32 lr_status_evt_portid =
3403 		le32_to_cpu(pPayload->lr_status_evt_portid);
3404 	u8 link_rate =
3405 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3406 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3407 	u8 phy_id =
3408 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3409 
3410 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3411 
3412 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3413 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3414 	unsigned long flags;
3415 	pm8001_dbg(pm8001_ha, DEVIO,
3416 		   "port id %d, phy id %d link_rate %d portstate 0x%x\n",
3417 		   port_id, phy_id, link_rate, portstate);
3418 
3419 	phy->port = port;
3420 	port->port_id = port_id;
3421 	port->port_state = portstate;
3422 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3423 	port->port_attached = 1;
3424 	pm8001_get_lrate_mode(phy, link_rate);
3425 	phy->phy_type |= PORT_TYPE_SATA;
3426 	phy->phy_attached = 1;
3427 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3428 	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3429 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3430 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3431 		sizeof(struct dev_to_host_fis));
3432 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3433 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3434 	phy->identify.device_type = SAS_SATA_DEV;
3435 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3436 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3437 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3438 }
3439 
3440 /**
3441  * hw_event_phy_down - we should notify the libsas the phy is down.
3442  * @pm8001_ha: our hba card information
3443  * @piomb: IO message buffer
3444  */
3445 static void
3446 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3447 {
3448 	struct hw_event_resp *pPayload =
3449 		(struct hw_event_resp *)(piomb + 4);
3450 
3451 	u32 lr_status_evt_portid =
3452 		le32_to_cpu(pPayload->lr_status_evt_portid);
3453 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3454 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3455 	u8 phy_id =
3456 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3457 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3458 
3459 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3460 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3461 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3462 	port->port_state = portstate;
3463 	phy->identify.device_type = 0;
3464 	phy->phy_attached = 0;
3465 	switch (portstate) {
3466 	case PORT_VALID:
3467 		break;
3468 	case PORT_INVALID:
3469 		pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3470 			   port_id);
3471 		pm8001_dbg(pm8001_ha, MSG,
3472 			   " Last phy Down and port invalid\n");
3473 		if (port_sata) {
3474 			phy->phy_type = 0;
3475 			port->port_attached = 0;
3476 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3477 					port_id, phy_id, 0, 0);
3478 		}
3479 		sas_phy_disconnected(&phy->sas_phy);
3480 		break;
3481 	case PORT_IN_RESET:
3482 		pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3483 			   port_id);
3484 		break;
3485 	case PORT_NOT_ESTABLISHED:
3486 		pm8001_dbg(pm8001_ha, MSG,
3487 			   " Phy Down and PORT_NOT_ESTABLISHED\n");
3488 		port->port_attached = 0;
3489 		break;
3490 	case PORT_LOSTCOMM:
3491 		pm8001_dbg(pm8001_ha, MSG, " Phy Down and PORT_LOSTCOMM\n");
3492 		pm8001_dbg(pm8001_ha, MSG,
3493 			   " Last phy Down and port invalid\n");
3494 		if (port_sata) {
3495 			port->port_attached = 0;
3496 			phy->phy_type = 0;
3497 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3498 					port_id, phy_id, 0, 0);
3499 		}
3500 		sas_phy_disconnected(&phy->sas_phy);
3501 		break;
3502 	default:
3503 		port->port_attached = 0;
3504 		pm8001_dbg(pm8001_ha, DEVIO,
3505 			   " Phy Down and(default) = 0x%x\n",
3506 			   portstate);
3507 		break;
3508 
3509 	}
3510 	if (port_sata && (portstate != PORT_IN_RESET))
3511 		sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3512 				GFP_ATOMIC);
3513 }
3514 
3515 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3516 {
3517 	struct phy_start_resp *pPayload =
3518 		(struct phy_start_resp *)(piomb + 4);
3519 	u32 status =
3520 		le32_to_cpu(pPayload->status);
3521 	u32 phy_id =
3522 		le32_to_cpu(pPayload->phyid);
3523 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3524 
3525 	pm8001_dbg(pm8001_ha, INIT,
3526 		   "phy start resp status:0x%x, phyid:0x%x\n",
3527 		   status, phy_id);
3528 	if (status == 0)
3529 		phy->phy_state = PHY_LINK_DOWN;
3530 
3531 	if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3532 			phy->enable_completion != NULL) {
3533 		complete(phy->enable_completion);
3534 		phy->enable_completion = NULL;
3535 	}
3536 	return 0;
3537 
3538 }
3539 
3540 /**
3541  * mpi_thermal_hw_event - a thermal hw event has come.
3542  * @pm8001_ha: our hba card information
3543  * @piomb: IO message buffer
3544  */
3545 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3546 {
3547 	struct thermal_hw_event *pPayload =
3548 		(struct thermal_hw_event *)(piomb + 4);
3549 
3550 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3551 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3552 
3553 	if (thermal_event & 0x40) {
3554 		pm8001_dbg(pm8001_ha, IO,
3555 			   "Thermal Event: Local high temperature violated!\n");
3556 		pm8001_dbg(pm8001_ha, IO,
3557 			   "Thermal Event: Measured local high temperature %d\n",
3558 			   ((rht_lht & 0xFF00) >> 8));
3559 	}
3560 	if (thermal_event & 0x10) {
3561 		pm8001_dbg(pm8001_ha, IO,
3562 			   "Thermal Event: Remote high temperature violated!\n");
3563 		pm8001_dbg(pm8001_ha, IO,
3564 			   "Thermal Event: Measured remote high temperature %d\n",
3565 			   ((rht_lht & 0xFF000000) >> 24));
3566 	}
3567 	return 0;
3568 }
3569 
3570 /**
3571  * mpi_hw_event - The hw event has come.
3572  * @pm8001_ha: our hba card information
3573  * @piomb: IO message buffer
3574  */
3575 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3576 {
3577 	unsigned long flags, i;
3578 	struct hw_event_resp *pPayload =
3579 		(struct hw_event_resp *)(piomb + 4);
3580 	u32 lr_status_evt_portid =
3581 		le32_to_cpu(pPayload->lr_status_evt_portid);
3582 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3583 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3584 	u8 phy_id =
3585 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3586 	u16 eventType =
3587 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3588 	u8 status =
3589 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3590 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3591 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3592 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3593 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3594 	pm8001_dbg(pm8001_ha, DEV,
3595 		   "portid:%d phyid:%d event:0x%x status:0x%x\n",
3596 		   port_id, phy_id, eventType, status);
3597 
3598 	switch (eventType) {
3599 
3600 	case HW_EVENT_SAS_PHY_UP:
3601 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3602 		hw_event_sas_phy_up(pm8001_ha, piomb);
3603 		break;
3604 	case HW_EVENT_SATA_PHY_UP:
3605 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3606 		hw_event_sata_phy_up(pm8001_ha, piomb);
3607 		break;
3608 	case HW_EVENT_SATA_SPINUP_HOLD:
3609 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3610 		sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3611 			GFP_ATOMIC);
3612 		break;
3613 	case HW_EVENT_PHY_DOWN:
3614 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3615 		hw_event_phy_down(pm8001_ha, piomb);
3616 		if (pm8001_ha->reset_in_progress) {
3617 			pm8001_dbg(pm8001_ha, MSG, "Reset in progress\n");
3618 			return 0;
3619 		}
3620 		phy->phy_attached = 0;
3621 		phy->phy_state = PHY_LINK_DISABLE;
3622 		break;
3623 	case HW_EVENT_PORT_INVALID:
3624 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3625 		sas_phy_disconnected(sas_phy);
3626 		phy->phy_attached = 0;
3627 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3628 			GFP_ATOMIC);
3629 		break;
3630 	/* the broadcast change primitive received, tell the LIBSAS this event
3631 	to revalidate the sas domain*/
3632 	case HW_EVENT_BROADCAST_CHANGE:
3633 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3634 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3635 			port_id, phy_id, 1, 0);
3636 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3637 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3638 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3639 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3640 			GFP_ATOMIC);
3641 		break;
3642 	case HW_EVENT_PHY_ERROR:
3643 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3644 		sas_phy_disconnected(&phy->sas_phy);
3645 		phy->phy_attached = 0;
3646 		sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3647 		break;
3648 	case HW_EVENT_BROADCAST_EXP:
3649 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3650 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3651 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3652 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3653 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3654 			GFP_ATOMIC);
3655 		break;
3656 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3657 		pm8001_dbg(pm8001_ha, MSG,
3658 			   "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3659 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3660 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3661 		break;
3662 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3663 		pm8001_dbg(pm8001_ha, MSG,
3664 			   "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3665 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3666 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3667 			port_id, phy_id, 0, 0);
3668 		break;
3669 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3670 		pm8001_dbg(pm8001_ha, MSG,
3671 			   "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3672 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3673 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3674 			port_id, phy_id, 0, 0);
3675 		break;
3676 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3677 		pm8001_dbg(pm8001_ha, MSG,
3678 			   "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3679 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3680 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3681 			port_id, phy_id, 0, 0);
3682 		break;
3683 	case HW_EVENT_MALFUNCTION:
3684 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3685 		break;
3686 	case HW_EVENT_BROADCAST_SES:
3687 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3688 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3689 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3690 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3691 		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3692 			GFP_ATOMIC);
3693 		break;
3694 	case HW_EVENT_INBOUND_CRC_ERROR:
3695 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3696 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3697 			HW_EVENT_INBOUND_CRC_ERROR,
3698 			port_id, phy_id, 0, 0);
3699 		break;
3700 	case HW_EVENT_HARD_RESET_RECEIVED:
3701 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3702 		sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3703 		break;
3704 	case HW_EVENT_ID_FRAME_TIMEOUT:
3705 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3706 		sas_phy_disconnected(sas_phy);
3707 		phy->phy_attached = 0;
3708 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3709 			GFP_ATOMIC);
3710 		break;
3711 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3712 		pm8001_dbg(pm8001_ha, MSG,
3713 			   "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3714 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3715 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3716 			port_id, phy_id, 0, 0);
3717 		sas_phy_disconnected(sas_phy);
3718 		phy->phy_attached = 0;
3719 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3720 			GFP_ATOMIC);
3721 		break;
3722 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3723 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3724 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3725 			port_id, phy_id, 0, 0);
3726 		sas_phy_disconnected(sas_phy);
3727 		phy->phy_attached = 0;
3728 		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3729 			GFP_ATOMIC);
3730 		if (pm8001_ha->phy[phy_id].reset_completion) {
3731 			pm8001_ha->phy[phy_id].port_reset_status =
3732 					PORT_RESET_TMO;
3733 			complete(pm8001_ha->phy[phy_id].reset_completion);
3734 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3735 		}
3736 		break;
3737 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3738 		pm8001_dbg(pm8001_ha, MSG,
3739 			   "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3740 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3741 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3742 			port_id, phy_id, 0, 0);
3743 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3744 			if (port->wide_port_phymap & (1 << i)) {
3745 				phy = &pm8001_ha->phy[i];
3746 				sas_notify_phy_event(&phy->sas_phy,
3747 					PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC);
3748 				port->wide_port_phymap &= ~(1 << i);
3749 			}
3750 		}
3751 		break;
3752 	case HW_EVENT_PORT_RECOVER:
3753 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3754 		hw_event_port_recover(pm8001_ha, piomb);
3755 		break;
3756 	case HW_EVENT_PORT_RESET_COMPLETE:
3757 		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3758 		if (pm8001_ha->phy[phy_id].reset_completion) {
3759 			pm8001_ha->phy[phy_id].port_reset_status =
3760 					PORT_RESET_SUCCESS;
3761 			complete(pm8001_ha->phy[phy_id].reset_completion);
3762 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3763 		}
3764 		break;
3765 	case EVENT_BROADCAST_ASYNCH_EVENT:
3766 		pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3767 		break;
3768 	default:
3769 		pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type 0x%x\n",
3770 			   eventType);
3771 		break;
3772 	}
3773 	return 0;
3774 }
3775 
3776 /**
3777  * mpi_phy_stop_resp - SPCv specific
3778  * @pm8001_ha: our hba card information
3779  * @piomb: IO message buffer
3780  */
3781 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3782 {
3783 	struct phy_stop_resp *pPayload =
3784 		(struct phy_stop_resp *)(piomb + 4);
3785 	u32 status =
3786 		le32_to_cpu(pPayload->status);
3787 	u32 phyid =
3788 		le32_to_cpu(pPayload->phyid) & 0xFF;
3789 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3790 	pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
3791 		   phyid, status);
3792 	if (status == PHY_STOP_SUCCESS ||
3793 		status == PHY_STOP_ERR_DEVICE_ATTACHED)
3794 		phy->phy_state = PHY_LINK_DISABLE;
3795 	return 0;
3796 }
3797 
3798 /**
3799  * mpi_set_controller_config_resp - SPCv specific
3800  * @pm8001_ha: our hba card information
3801  * @piomb: IO message buffer
3802  */
3803 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3804 			void *piomb)
3805 {
3806 	struct set_ctrl_cfg_resp *pPayload =
3807 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3808 	u32 status = le32_to_cpu(pPayload->status);
3809 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3810 
3811 	pm8001_dbg(pm8001_ha, MSG,
3812 		   "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3813 		   status, err_qlfr_pgcd);
3814 
3815 	return 0;
3816 }
3817 
3818 /**
3819  * mpi_get_controller_config_resp - SPCv specific
3820  * @pm8001_ha: our hba card information
3821  * @piomb: IO message buffer
3822  */
3823 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3824 			void *piomb)
3825 {
3826 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3827 
3828 	return 0;
3829 }
3830 
3831 /**
3832  * mpi_get_phy_profile_resp - SPCv specific
3833  * @pm8001_ha: our hba card information
3834  * @piomb: IO message buffer
3835  */
3836 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3837 			void *piomb)
3838 {
3839 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3840 
3841 	return 0;
3842 }
3843 
3844 /**
3845  * mpi_flash_op_ext_resp - SPCv specific
3846  * @pm8001_ha: our hba card information
3847  * @piomb: IO message buffer
3848  */
3849 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3850 {
3851 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3852 
3853 	return 0;
3854 }
3855 
3856 /**
3857  * mpi_set_phy_profile_resp - SPCv specific
3858  * @pm8001_ha: our hba card information
3859  * @piomb: IO message buffer
3860  */
3861 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3862 			void *piomb)
3863 {
3864 	u32 tag;
3865 	u8 page_code;
3866 	int rc = 0;
3867 	struct set_phy_profile_resp *pPayload =
3868 		(struct set_phy_profile_resp *)(piomb + 4);
3869 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3870 	u32 status = le32_to_cpu(pPayload->status);
3871 
3872 	tag = le32_to_cpu(pPayload->tag);
3873 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3874 	if (status) {
3875 		/* status is FAILED */
3876 		pm8001_dbg(pm8001_ha, FAIL,
3877 			   "PhyProfile command failed  with status 0x%08X\n",
3878 			   status);
3879 		rc = -1;
3880 	} else {
3881 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3882 			pm8001_dbg(pm8001_ha, FAIL, "Invalid page code 0x%X\n",
3883 				   page_code);
3884 			rc = -1;
3885 		}
3886 	}
3887 	pm8001_tag_free(pm8001_ha, tag);
3888 	return rc;
3889 }
3890 
3891 /**
3892  * mpi_kek_management_resp - SPCv specific
3893  * @pm8001_ha: our hba card information
3894  * @piomb: IO message buffer
3895  */
3896 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3897 			void *piomb)
3898 {
3899 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3900 
3901 	u32 status = le32_to_cpu(pPayload->status);
3902 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3903 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3904 
3905 	pm8001_dbg(pm8001_ha, MSG,
3906 		   "KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3907 		   status, kidx_new_curr_ksop, err_qlfr);
3908 
3909 	return 0;
3910 }
3911 
3912 /**
3913  * mpi_dek_management_resp - SPCv specific
3914  * @pm8001_ha: our hba card information
3915  * @piomb: IO message buffer
3916  */
3917 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3918 			void *piomb)
3919 {
3920 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3921 
3922 	return 0;
3923 }
3924 
3925 /**
3926  * ssp_coalesced_comp_resp - SPCv specific
3927  * @pm8001_ha: our hba card information
3928  * @piomb: IO message buffer
3929  */
3930 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3931 			void *piomb)
3932 {
3933 	pm8001_dbg(pm8001_ha, MSG, " pm80xx_addition_functionality\n");
3934 
3935 	return 0;
3936 }
3937 
3938 /**
3939  * process_one_iomb - process one outbound Queue memory block
3940  * @pm8001_ha: our hba card information
3941  * @piomb: IO message buffer
3942  */
3943 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha,
3944 		struct outbound_queue_table *circularQ, void *piomb)
3945 {
3946 	__le32 pHeader = *(__le32 *)piomb;
3947 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3948 
3949 	switch (opc) {
3950 	case OPC_OUB_ECHO:
3951 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3952 		break;
3953 	case OPC_OUB_HW_EVENT:
3954 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3955 		mpi_hw_event(pm8001_ha, piomb);
3956 		break;
3957 	case OPC_OUB_THERM_HW_EVENT:
3958 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_THERMAL_EVENT\n");
3959 		mpi_thermal_hw_event(pm8001_ha, piomb);
3960 		break;
3961 	case OPC_OUB_SSP_COMP:
3962 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3963 		mpi_ssp_completion(pm8001_ha, piomb);
3964 		break;
3965 	case OPC_OUB_SMP_COMP:
3966 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3967 		mpi_smp_completion(pm8001_ha, piomb);
3968 		break;
3969 	case OPC_OUB_LOCAL_PHY_CNTRL:
3970 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3971 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3972 		break;
3973 	case OPC_OUB_DEV_REGIST:
3974 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3975 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3976 		break;
3977 	case OPC_OUB_DEREG_DEV:
3978 		pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3979 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3980 		break;
3981 	case OPC_OUB_GET_DEV_HANDLE:
3982 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3983 		break;
3984 	case OPC_OUB_SATA_COMP:
3985 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3986 		mpi_sata_completion(pm8001_ha, circularQ, piomb);
3987 		break;
3988 	case OPC_OUB_SATA_EVENT:
3989 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3990 		mpi_sata_event(pm8001_ha, circularQ, piomb);
3991 		break;
3992 	case OPC_OUB_SSP_EVENT:
3993 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3994 		mpi_ssp_event(pm8001_ha, piomb);
3995 		break;
3996 	case OPC_OUB_DEV_HANDLE_ARRIV:
3997 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3998 		/*This is for target*/
3999 		break;
4000 	case OPC_OUB_SSP_RECV_EVENT:
4001 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
4002 		/*This is for target*/
4003 		break;
4004 	case OPC_OUB_FW_FLASH_UPDATE:
4005 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
4006 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
4007 		break;
4008 	case OPC_OUB_GPIO_RESPONSE:
4009 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
4010 		break;
4011 	case OPC_OUB_GPIO_EVENT:
4012 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
4013 		break;
4014 	case OPC_OUB_GENERAL_EVENT:
4015 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
4016 		pm8001_mpi_general_event(pm8001_ha, piomb);
4017 		break;
4018 	case OPC_OUB_SSP_ABORT_RSP:
4019 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
4020 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4021 		break;
4022 	case OPC_OUB_SATA_ABORT_RSP:
4023 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
4024 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4025 		break;
4026 	case OPC_OUB_SAS_DIAG_MODE_START_END:
4027 		pm8001_dbg(pm8001_ha, MSG,
4028 			   "OPC_OUB_SAS_DIAG_MODE_START_END\n");
4029 		break;
4030 	case OPC_OUB_SAS_DIAG_EXECUTE:
4031 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
4032 		break;
4033 	case OPC_OUB_GET_TIME_STAMP:
4034 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
4035 		break;
4036 	case OPC_OUB_SAS_HW_EVENT_ACK:
4037 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
4038 		break;
4039 	case OPC_OUB_PORT_CONTROL:
4040 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
4041 		break;
4042 	case OPC_OUB_SMP_ABORT_RSP:
4043 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
4044 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4045 		break;
4046 	case OPC_OUB_GET_NVMD_DATA:
4047 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
4048 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
4049 		break;
4050 	case OPC_OUB_SET_NVMD_DATA:
4051 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
4052 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
4053 		break;
4054 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
4055 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
4056 		break;
4057 	case OPC_OUB_SET_DEVICE_STATE:
4058 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
4059 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4060 		break;
4061 	case OPC_OUB_GET_DEVICE_STATE:
4062 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
4063 		break;
4064 	case OPC_OUB_SET_DEV_INFO:
4065 		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
4066 		break;
4067 	/* spcv specific commands */
4068 	case OPC_OUB_PHY_START_RESP:
4069 		pm8001_dbg(pm8001_ha, MSG,
4070 			   "OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
4071 		mpi_phy_start_resp(pm8001_ha, piomb);
4072 		break;
4073 	case OPC_OUB_PHY_STOP_RESP:
4074 		pm8001_dbg(pm8001_ha, MSG,
4075 			   "OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc);
4076 		mpi_phy_stop_resp(pm8001_ha, piomb);
4077 		break;
4078 	case OPC_OUB_SET_CONTROLLER_CONFIG:
4079 		pm8001_dbg(pm8001_ha, MSG,
4080 			   "OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc);
4081 		mpi_set_controller_config_resp(pm8001_ha, piomb);
4082 		break;
4083 	case OPC_OUB_GET_CONTROLLER_CONFIG:
4084 		pm8001_dbg(pm8001_ha, MSG,
4085 			   "OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc);
4086 		mpi_get_controller_config_resp(pm8001_ha, piomb);
4087 		break;
4088 	case OPC_OUB_GET_PHY_PROFILE:
4089 		pm8001_dbg(pm8001_ha, MSG,
4090 			   "OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc);
4091 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
4092 		break;
4093 	case OPC_OUB_FLASH_OP_EXT:
4094 		pm8001_dbg(pm8001_ha, MSG,
4095 			   "OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc);
4096 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
4097 		break;
4098 	case OPC_OUB_SET_PHY_PROFILE:
4099 		pm8001_dbg(pm8001_ha, MSG,
4100 			   "OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc);
4101 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
4102 		break;
4103 	case OPC_OUB_KEK_MANAGEMENT_RESP:
4104 		pm8001_dbg(pm8001_ha, MSG,
4105 			   "OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc);
4106 		mpi_kek_management_resp(pm8001_ha, piomb);
4107 		break;
4108 	case OPC_OUB_DEK_MANAGEMENT_RESP:
4109 		pm8001_dbg(pm8001_ha, MSG,
4110 			   "OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc);
4111 		mpi_dek_management_resp(pm8001_ha, piomb);
4112 		break;
4113 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
4114 		pm8001_dbg(pm8001_ha, MSG,
4115 			   "OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc);
4116 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
4117 		break;
4118 	default:
4119 		pm8001_dbg(pm8001_ha, DEVIO,
4120 			   "Unknown outbound Queue IOMB OPC = 0x%x\n", opc);
4121 		break;
4122 	}
4123 }
4124 
4125 static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
4126 {
4127 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_0: 0x%x\n",
4128 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
4129 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_1:0x%x\n",
4130 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1));
4131 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_2: 0x%x\n",
4132 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2));
4133 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_SCRATCH_PAD_3: 0x%x\n",
4134 		   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
4135 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
4136 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0));
4137 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
4138 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1));
4139 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
4140 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2));
4141 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
4142 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3));
4143 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
4144 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4));
4145 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
4146 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5));
4147 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
4148 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6));
4149 	pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
4150 		   pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7));
4151 }
4152 
4153 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4154 {
4155 	struct outbound_queue_table *circularQ;
4156 	void *pMsg1 = NULL;
4157 	u8 bc;
4158 	u32 ret = MPI_IO_STATUS_FAIL;
4159 	u32 regval;
4160 
4161 	if (vec == (pm8001_ha->max_q_num - 1)) {
4162 		regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
4163 		if ((regval & SCRATCH_PAD_MIPSALL_READY) !=
4164 					SCRATCH_PAD_MIPSALL_READY) {
4165 			pm8001_ha->controller_fatal_error = true;
4166 			pm8001_dbg(pm8001_ha, FAIL,
4167 				   "Firmware Fatal error! Regval:0x%x\n",
4168 				   regval);
4169 			pm8001_handle_event(pm8001_ha, NULL, IO_FATAL_ERROR);
4170 			print_scratchpad_registers(pm8001_ha);
4171 			return ret;
4172 		}
4173 	}
4174 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4175 	spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags);
4176 	do {
4177 		/* spurious interrupt during setup if kexec-ing and
4178 		 * driver doing a doorbell access w/ the pre-kexec oq
4179 		 * interrupt setup.
4180 		 */
4181 		if (!circularQ->pi_virt)
4182 			break;
4183 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4184 		if (MPI_IO_STATUS_SUCCESS == ret) {
4185 			/* process the outbound message */
4186 			process_one_iomb(pm8001_ha, circularQ,
4187 						(void *)(pMsg1 - 4));
4188 			/* free the message from the outbound circular buffer */
4189 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4190 							circularQ, bc);
4191 		}
4192 		if (MPI_IO_STATUS_BUSY == ret) {
4193 			/* Update the producer index from SPC */
4194 			circularQ->producer_index =
4195 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4196 			if (le32_to_cpu(circularQ->producer_index) ==
4197 				circularQ->consumer_idx)
4198 				/* OQ is empty */
4199 				break;
4200 		}
4201 	} while (1);
4202 	spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags);
4203 	return ret;
4204 }
4205 
4206 /* DMA_... to our direction translation. */
4207 static const u8 data_dir_flags[] = {
4208 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4209 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4210 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4211 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4212 };
4213 
4214 static void build_smp_cmd(u32 deviceID, __le32 hTag,
4215 			struct smp_req *psmp_cmd, int mode, int length)
4216 {
4217 	psmp_cmd->tag = hTag;
4218 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4219 	if (mode == SMP_DIRECT) {
4220 		length = length - 4; /* subtract crc */
4221 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
4222 	} else {
4223 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4224 	}
4225 }
4226 
4227 /**
4228  * pm80xx_chip_smp_req - send an SMP task to FW
4229  * @pm8001_ha: our hba card information.
4230  * @ccb: the ccb information this request used.
4231  */
4232 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4233 	struct pm8001_ccb_info *ccb)
4234 {
4235 	int elem, rc;
4236 	struct sas_task *task = ccb->task;
4237 	struct domain_device *dev = task->dev;
4238 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4239 	struct scatterlist *sg_req, *sg_resp;
4240 	u32 req_len, resp_len;
4241 	struct smp_req smp_cmd;
4242 	u32 opc;
4243 	struct inbound_queue_table *circularQ;
4244 	char *preq_dma_addr = NULL;
4245 	__le64 tmp_addr;
4246 	u32 i, length;
4247 
4248 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4249 	/*
4250 	 * DMA-map SMP request, response buffers
4251 	 */
4252 	sg_req = &task->smp_task.smp_req;
4253 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4254 	if (!elem)
4255 		return -ENOMEM;
4256 	req_len = sg_dma_len(sg_req);
4257 
4258 	sg_resp = &task->smp_task.smp_resp;
4259 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4260 	if (!elem) {
4261 		rc = -ENOMEM;
4262 		goto err_out;
4263 	}
4264 	resp_len = sg_dma_len(sg_resp);
4265 	/* must be in dwords */
4266 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4267 		rc = -EINVAL;
4268 		goto err_out_2;
4269 	}
4270 
4271 	opc = OPC_INB_SMP_REQUEST;
4272 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4273 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4274 
4275 	length = sg_req->length;
4276 	pm8001_dbg(pm8001_ha, IO, "SMP Frame Length %d\n", sg_req->length);
4277 	if (!(length - 8))
4278 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
4279 	else
4280 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
4281 
4282 
4283 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4284 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
4285 
4286 	/* INDIRECT MODE command settings. Use DMA */
4287 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
4288 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST INDIRECT MODE\n");
4289 		/* for SPCv indirect mode. Place the top 4 bytes of
4290 		 * SMP Request header here. */
4291 		for (i = 0; i < 4; i++)
4292 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
4293 		/* exclude top 4 bytes for SMP req header */
4294 		smp_cmd.long_smp_req.long_req_addr =
4295 			cpu_to_le64((u64)sg_dma_address
4296 				(&task->smp_task.smp_req) + 4);
4297 		/* exclude 4 bytes for SMP req header and CRC */
4298 		smp_cmd.long_smp_req.long_req_size =
4299 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
4300 		smp_cmd.long_smp_req.long_resp_addr =
4301 				cpu_to_le64((u64)sg_dma_address
4302 					(&task->smp_task.smp_resp));
4303 		smp_cmd.long_smp_req.long_resp_size =
4304 				cpu_to_le32((u32)sg_dma_len
4305 					(&task->smp_task.smp_resp)-4);
4306 	} else { /* DIRECT MODE */
4307 		smp_cmd.long_smp_req.long_req_addr =
4308 			cpu_to_le64((u64)sg_dma_address
4309 					(&task->smp_task.smp_req));
4310 		smp_cmd.long_smp_req.long_req_size =
4311 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4312 		smp_cmd.long_smp_req.long_resp_addr =
4313 			cpu_to_le64((u64)sg_dma_address
4314 				(&task->smp_task.smp_resp));
4315 		smp_cmd.long_smp_req.long_resp_size =
4316 			cpu_to_le32
4317 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4318 	}
4319 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
4320 		pm8001_dbg(pm8001_ha, IO, "SMP REQUEST DIRECT MODE\n");
4321 		for (i = 0; i < length; i++)
4322 			if (i < 16) {
4323 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
4324 				pm8001_dbg(pm8001_ha, IO,
4325 					   "Byte[%d]:%x (DMA data:%x)\n",
4326 					   i, smp_cmd.smp_req16[i],
4327 					   *(preq_dma_addr));
4328 			} else {
4329 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
4330 				pm8001_dbg(pm8001_ha, IO,
4331 					   "Byte[%d]:%x (DMA data:%x)\n",
4332 					   i, smp_cmd.smp_req[i],
4333 					   *(preq_dma_addr));
4334 			}
4335 	}
4336 
4337 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
4338 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
4339 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &smp_cmd,
4340 			sizeof(smp_cmd), 0);
4341 	if (rc)
4342 		goto err_out_2;
4343 	return 0;
4344 
4345 err_out_2:
4346 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4347 			DMA_FROM_DEVICE);
4348 err_out:
4349 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4350 			DMA_TO_DEVICE);
4351 	return rc;
4352 }
4353 
4354 static int check_enc_sas_cmd(struct sas_task *task)
4355 {
4356 	u8 cmd = task->ssp_task.cmd->cmnd[0];
4357 
4358 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4359 		return 1;
4360 	else
4361 		return 0;
4362 }
4363 
4364 static int check_enc_sat_cmd(struct sas_task *task)
4365 {
4366 	int ret = 0;
4367 	switch (task->ata_task.fis.command) {
4368 	case ATA_CMD_FPDMA_READ:
4369 	case ATA_CMD_READ_EXT:
4370 	case ATA_CMD_READ:
4371 	case ATA_CMD_FPDMA_WRITE:
4372 	case ATA_CMD_WRITE_EXT:
4373 	case ATA_CMD_WRITE:
4374 	case ATA_CMD_PIO_READ:
4375 	case ATA_CMD_PIO_READ_EXT:
4376 	case ATA_CMD_PIO_WRITE:
4377 	case ATA_CMD_PIO_WRITE_EXT:
4378 		ret = 1;
4379 		break;
4380 	default:
4381 		ret = 0;
4382 		break;
4383 	}
4384 	return ret;
4385 }
4386 
4387 /**
4388  * pm80xx_chip_ssp_io_req - send an SSP task to FW
4389  * @pm8001_ha: our hba card information.
4390  * @ccb: the ccb information this request used.
4391  */
4392 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4393 	struct pm8001_ccb_info *ccb)
4394 {
4395 	struct sas_task *task = ccb->task;
4396 	struct domain_device *dev = task->dev;
4397 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4398 	struct ssp_ini_io_start_req ssp_cmd;
4399 	u32 tag = ccb->ccb_tag;
4400 	int ret;
4401 	u64 phys_addr, start_addr, end_addr;
4402 	u32 end_addr_high, end_addr_low;
4403 	struct inbound_queue_table *circularQ;
4404 	u32 q_index, cpu_id;
4405 	u32 opc = OPC_INB_SSPINIIOSTART;
4406 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4407 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4408 	/* data address domain added for spcv; set to 0 by host,
4409 	 * used internally by controller
4410 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4411 	 */
4412 	ssp_cmd.dad_dir_m_tlr =
4413 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4414 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4415 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4416 	ssp_cmd.tag = cpu_to_le32(tag);
4417 	if (task->ssp_task.enable_first_burst)
4418 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4419 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4420 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4421 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4422 		       task->ssp_task.cmd->cmd_len);
4423 	cpu_id = smp_processor_id();
4424 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4425 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4426 
4427 	/* Check if encryption is set */
4428 	if (pm8001_ha->chip->encrypt &&
4429 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4430 		pm8001_dbg(pm8001_ha, IO,
4431 			   "Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4432 			   task->ssp_task.cmd->cmnd[0]);
4433 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4434 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4435 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4436 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4437 
4438 		/* fill in PRD (scatter/gather) table, if any */
4439 		if (task->num_scatter > 1) {
4440 			pm8001_chip_make_sg(task->scatter,
4441 						ccb->n_elem, ccb->buf_prd);
4442 			phys_addr = ccb->ccb_dma_handle;
4443 			ssp_cmd.enc_addr_low =
4444 				cpu_to_le32(lower_32_bits(phys_addr));
4445 			ssp_cmd.enc_addr_high =
4446 				cpu_to_le32(upper_32_bits(phys_addr));
4447 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4448 		} else if (task->num_scatter == 1) {
4449 			u64 dma_addr = sg_dma_address(task->scatter);
4450 			ssp_cmd.enc_addr_low =
4451 				cpu_to_le32(lower_32_bits(dma_addr));
4452 			ssp_cmd.enc_addr_high =
4453 				cpu_to_le32(upper_32_bits(dma_addr));
4454 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4455 			ssp_cmd.enc_esgl = 0;
4456 			/* Check 4G Boundary */
4457 			start_addr = cpu_to_le64(dma_addr);
4458 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4459 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4460 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4461 			if (end_addr_high != ssp_cmd.enc_addr_high) {
4462 				pm8001_dbg(pm8001_ha, FAIL,
4463 					   "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",
4464 					   start_addr, ssp_cmd.enc_len,
4465 					   end_addr_high, end_addr_low);
4466 				pm8001_chip_make_sg(task->scatter, 1,
4467 					ccb->buf_prd);
4468 				phys_addr = ccb->ccb_dma_handle;
4469 				ssp_cmd.enc_addr_low =
4470 					cpu_to_le32(lower_32_bits(phys_addr));
4471 				ssp_cmd.enc_addr_high =
4472 					cpu_to_le32(upper_32_bits(phys_addr));
4473 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4474 			}
4475 		} else if (task->num_scatter == 0) {
4476 			ssp_cmd.enc_addr_low = 0;
4477 			ssp_cmd.enc_addr_high = 0;
4478 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4479 			ssp_cmd.enc_esgl = 0;
4480 		}
4481 		/* XTS mode. All other fields are 0 */
4482 		ssp_cmd.key_cmode = 0x6 << 4;
4483 		/* set tweak values. Should be the start lba */
4484 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4485 						(task->ssp_task.cmd->cmnd[3] << 16) |
4486 						(task->ssp_task.cmd->cmnd[4] << 8) |
4487 						(task->ssp_task.cmd->cmnd[5]));
4488 	} else {
4489 		pm8001_dbg(pm8001_ha, IO,
4490 			   "Sending Normal SAS command 0x%x inb q %x\n",
4491 			   task->ssp_task.cmd->cmnd[0], q_index);
4492 		/* fill in PRD (scatter/gather) table, if any */
4493 		if (task->num_scatter > 1) {
4494 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4495 					ccb->buf_prd);
4496 			phys_addr = ccb->ccb_dma_handle;
4497 			ssp_cmd.addr_low =
4498 				cpu_to_le32(lower_32_bits(phys_addr));
4499 			ssp_cmd.addr_high =
4500 				cpu_to_le32(upper_32_bits(phys_addr));
4501 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4502 		} else if (task->num_scatter == 1) {
4503 			u64 dma_addr = sg_dma_address(task->scatter);
4504 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4505 			ssp_cmd.addr_high =
4506 				cpu_to_le32(upper_32_bits(dma_addr));
4507 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4508 			ssp_cmd.esgl = 0;
4509 			/* Check 4G Boundary */
4510 			start_addr = cpu_to_le64(dma_addr);
4511 			end_addr = (start_addr + ssp_cmd.len) - 1;
4512 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4513 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4514 			if (end_addr_high != ssp_cmd.addr_high) {
4515 				pm8001_dbg(pm8001_ha, FAIL,
4516 					   "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",
4517 					   start_addr, ssp_cmd.len,
4518 					   end_addr_high, end_addr_low);
4519 				pm8001_chip_make_sg(task->scatter, 1,
4520 					ccb->buf_prd);
4521 				phys_addr = ccb->ccb_dma_handle;
4522 				ssp_cmd.addr_low =
4523 					cpu_to_le32(lower_32_bits(phys_addr));
4524 				ssp_cmd.addr_high =
4525 					cpu_to_le32(upper_32_bits(phys_addr));
4526 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4527 			}
4528 		} else if (task->num_scatter == 0) {
4529 			ssp_cmd.addr_low = 0;
4530 			ssp_cmd.addr_high = 0;
4531 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4532 			ssp_cmd.esgl = 0;
4533 		}
4534 	}
4535 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4536 			&ssp_cmd, sizeof(ssp_cmd), q_index);
4537 	return ret;
4538 }
4539 
4540 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4541 	struct pm8001_ccb_info *ccb)
4542 {
4543 	struct sas_task *task = ccb->task;
4544 	struct domain_device *dev = task->dev;
4545 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4546 	u32 tag = ccb->ccb_tag;
4547 	int ret;
4548 	u32 q_index, cpu_id;
4549 	struct sata_start_req sata_cmd;
4550 	u32 hdr_tag, ncg_tag = 0;
4551 	u64 phys_addr, start_addr, end_addr;
4552 	u32 end_addr_high, end_addr_low;
4553 	u32 ATAP = 0x0;
4554 	u32 dir;
4555 	struct inbound_queue_table *circularQ;
4556 	unsigned long flags;
4557 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4558 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4559 	cpu_id = smp_processor_id();
4560 	q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num);
4561 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4562 
4563 	if (task->data_dir == DMA_NONE) {
4564 		ATAP = 0x04; /* no data*/
4565 		pm8001_dbg(pm8001_ha, IO, "no data\n");
4566 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4567 		if (task->ata_task.dma_xfer) {
4568 			ATAP = 0x06; /* DMA */
4569 			pm8001_dbg(pm8001_ha, IO, "DMA\n");
4570 		} else {
4571 			ATAP = 0x05; /* PIO*/
4572 			pm8001_dbg(pm8001_ha, IO, "PIO\n");
4573 		}
4574 		if (task->ata_task.use_ncq &&
4575 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4576 			ATAP = 0x07; /* FPDMA */
4577 			pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4578 		}
4579 	}
4580 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4581 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4582 		ncg_tag = hdr_tag;
4583 	}
4584 	dir = data_dir_flags[task->data_dir] << 8;
4585 	sata_cmd.tag = cpu_to_le32(tag);
4586 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4587 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4588 
4589 	sata_cmd.sata_fis = task->ata_task.fis;
4590 	if (likely(!task->ata_task.device_control_reg_update))
4591 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4592 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4593 
4594 	/* Check if encryption is set */
4595 	if (pm8001_ha->chip->encrypt &&
4596 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4597 		pm8001_dbg(pm8001_ha, IO,
4598 			   "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4599 			   sata_cmd.sata_fis.command);
4600 		opc = OPC_INB_SATA_DIF_ENC_IO;
4601 
4602 		/* set encryption bit */
4603 		sata_cmd.ncqtag_atap_dir_m_dad =
4604 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4605 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4606 							/* dad (bit 0-1) is 0 */
4607 		/* fill in PRD (scatter/gather) table, if any */
4608 		if (task->num_scatter > 1) {
4609 			pm8001_chip_make_sg(task->scatter,
4610 						ccb->n_elem, ccb->buf_prd);
4611 			phys_addr = ccb->ccb_dma_handle;
4612 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4613 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4614 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4615 		} else if (task->num_scatter == 1) {
4616 			u64 dma_addr = sg_dma_address(task->scatter);
4617 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4618 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4619 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4620 			sata_cmd.enc_esgl = 0;
4621 			/* Check 4G Boundary */
4622 			start_addr = cpu_to_le64(dma_addr);
4623 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4624 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4625 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4626 			if (end_addr_high != sata_cmd.enc_addr_high) {
4627 				pm8001_dbg(pm8001_ha, FAIL,
4628 					   "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n",
4629 					   start_addr, sata_cmd.enc_len,
4630 					   end_addr_high, end_addr_low);
4631 				pm8001_chip_make_sg(task->scatter, 1,
4632 					ccb->buf_prd);
4633 				phys_addr = ccb->ccb_dma_handle;
4634 				sata_cmd.enc_addr_low =
4635 					lower_32_bits(phys_addr);
4636 				sata_cmd.enc_addr_high =
4637 					upper_32_bits(phys_addr);
4638 				sata_cmd.enc_esgl =
4639 					cpu_to_le32(1 << 31);
4640 			}
4641 		} else if (task->num_scatter == 0) {
4642 			sata_cmd.enc_addr_low = 0;
4643 			sata_cmd.enc_addr_high = 0;
4644 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4645 			sata_cmd.enc_esgl = 0;
4646 		}
4647 		/* XTS mode. All other fields are 0 */
4648 		sata_cmd.key_index_mode = 0x6 << 4;
4649 		/* set tweak values. Should be the start lba */
4650 		sata_cmd.twk_val0 =
4651 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4652 					(sata_cmd.sata_fis.lbah << 16) |
4653 					(sata_cmd.sata_fis.lbam << 8) |
4654 					(sata_cmd.sata_fis.lbal));
4655 		sata_cmd.twk_val1 =
4656 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4657 					 (sata_cmd.sata_fis.lbam_exp));
4658 	} else {
4659 		pm8001_dbg(pm8001_ha, IO,
4660 			   "Sending Normal SATA command 0x%x inb %x\n",
4661 			   sata_cmd.sata_fis.command, q_index);
4662 		/* dad (bit 0-1) is 0 */
4663 		sata_cmd.ncqtag_atap_dir_m_dad =
4664 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4665 					((ATAP & 0x3f) << 10) | dir);
4666 
4667 		/* fill in PRD (scatter/gather) table, if any */
4668 		if (task->num_scatter > 1) {
4669 			pm8001_chip_make_sg(task->scatter,
4670 					ccb->n_elem, ccb->buf_prd);
4671 			phys_addr = ccb->ccb_dma_handle;
4672 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4673 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4674 			sata_cmd.esgl = cpu_to_le32(1 << 31);
4675 		} else if (task->num_scatter == 1) {
4676 			u64 dma_addr = sg_dma_address(task->scatter);
4677 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4678 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4679 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4680 			sata_cmd.esgl = 0;
4681 			/* Check 4G Boundary */
4682 			start_addr = cpu_to_le64(dma_addr);
4683 			end_addr = (start_addr + sata_cmd.len) - 1;
4684 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4685 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4686 			if (end_addr_high != sata_cmd.addr_high) {
4687 				pm8001_dbg(pm8001_ha, FAIL,
4688 					   "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",
4689 					   start_addr, sata_cmd.len,
4690 					   end_addr_high, end_addr_low);
4691 				pm8001_chip_make_sg(task->scatter, 1,
4692 					ccb->buf_prd);
4693 				phys_addr = ccb->ccb_dma_handle;
4694 				sata_cmd.addr_low =
4695 					lower_32_bits(phys_addr);
4696 				sata_cmd.addr_high =
4697 					upper_32_bits(phys_addr);
4698 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4699 			}
4700 		} else if (task->num_scatter == 0) {
4701 			sata_cmd.addr_low = 0;
4702 			sata_cmd.addr_high = 0;
4703 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4704 			sata_cmd.esgl = 0;
4705 		}
4706 		/* scsi cdb */
4707 		sata_cmd.atapi_scsi_cdb[0] =
4708 			cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4709 			(task->ata_task.atapi_packet[1] << 8) |
4710 			(task->ata_task.atapi_packet[2] << 16) |
4711 			(task->ata_task.atapi_packet[3] << 24)));
4712 		sata_cmd.atapi_scsi_cdb[1] =
4713 			cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4714 			(task->ata_task.atapi_packet[5] << 8) |
4715 			(task->ata_task.atapi_packet[6] << 16) |
4716 			(task->ata_task.atapi_packet[7] << 24)));
4717 		sata_cmd.atapi_scsi_cdb[2] =
4718 			cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4719 			(task->ata_task.atapi_packet[9] << 8) |
4720 			(task->ata_task.atapi_packet[10] << 16) |
4721 			(task->ata_task.atapi_packet[11] << 24)));
4722 		sata_cmd.atapi_scsi_cdb[3] =
4723 			cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4724 			(task->ata_task.atapi_packet[13] << 8) |
4725 			(task->ata_task.atapi_packet[14] << 16) |
4726 			(task->ata_task.atapi_packet[15] << 24)));
4727 	}
4728 
4729 	/* Check for read log for failed drive and return */
4730 	if (sata_cmd.sata_fis.command == 0x2f) {
4731 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4732 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4733 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4734 			struct task_status_struct *ts;
4735 
4736 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4737 			ts = &task->task_status;
4738 
4739 			spin_lock_irqsave(&task->task_state_lock, flags);
4740 			ts->resp = SAS_TASK_COMPLETE;
4741 			ts->stat = SAS_SAM_STAT_GOOD;
4742 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4743 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4744 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4745 			if (unlikely((task->task_state_flags &
4746 					SAS_TASK_STATE_ABORTED))) {
4747 				spin_unlock_irqrestore(&task->task_state_lock,
4748 							flags);
4749 				pm8001_dbg(pm8001_ha, FAIL,
4750 					   "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4751 					   task, ts->resp,
4752 					   ts->stat);
4753 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4754 				return 0;
4755 			} else {
4756 				spin_unlock_irqrestore(&task->task_state_lock,
4757 							flags);
4758 				pm8001_ccb_task_free_done(pm8001_ha, task,
4759 								ccb, tag);
4760 				atomic_dec(&pm8001_ha_dev->running_req);
4761 				return 0;
4762 			}
4763 		}
4764 	}
4765 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4766 			&sata_cmd, sizeof(sata_cmd), q_index);
4767 	return ret;
4768 }
4769 
4770 /**
4771  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4772  * @pm8001_ha: our hba card information.
4773  * @phy_id: the phy id which we wanted to start up.
4774  */
4775 static int
4776 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4777 {
4778 	struct phy_start_req payload;
4779 	struct inbound_queue_table *circularQ;
4780 	int ret;
4781 	u32 tag = 0x01;
4782 	u32 opcode = OPC_INB_PHYSTART;
4783 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4784 	memset(&payload, 0, sizeof(payload));
4785 	payload.tag = cpu_to_le32(tag);
4786 
4787 	pm8001_dbg(pm8001_ha, INIT, "PHY START REQ for phy_id %d\n", phy_id);
4788 
4789 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4790 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
4791 	/* SSC Disable and SAS Analog ST configuration */
4792 	/*
4793 	payload.ase_sh_lm_slr_phyid =
4794 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4795 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4796 		phy_id);
4797 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4798 	*/
4799 
4800 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4801 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4802 	memcpy(payload.sas_identify.sas_addr,
4803 	  &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4804 	payload.sas_identify.phy_id = phy_id;
4805 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4806 			sizeof(payload), 0);
4807 	return ret;
4808 }
4809 
4810 /**
4811  * pm80xx_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4812  * @pm8001_ha: our hba card information.
4813  * @phy_id: the phy id which we wanted to start up.
4814  */
4815 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4816 	u8 phy_id)
4817 {
4818 	struct phy_stop_req payload;
4819 	struct inbound_queue_table *circularQ;
4820 	int ret;
4821 	u32 tag = 0x01;
4822 	u32 opcode = OPC_INB_PHYSTOP;
4823 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4824 	memset(&payload, 0, sizeof(payload));
4825 	payload.tag = cpu_to_le32(tag);
4826 	payload.phy_id = cpu_to_le32(phy_id);
4827 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4828 			sizeof(payload), 0);
4829 	return ret;
4830 }
4831 
4832 /*
4833  * see comments on pm8001_mpi_reg_resp.
4834  */
4835 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4836 	struct pm8001_device *pm8001_dev, u32 flag)
4837 {
4838 	struct reg_dev_req payload;
4839 	u32	opc;
4840 	u32 stp_sspsmp_sata = 0x4;
4841 	struct inbound_queue_table *circularQ;
4842 	u32 linkrate, phy_id;
4843 	int rc, tag = 0xdeadbeef;
4844 	struct pm8001_ccb_info *ccb;
4845 	u8 retryFlag = 0x1;
4846 	u16 firstBurstSize = 0;
4847 	u16 ITNT = 2000;
4848 	struct domain_device *dev = pm8001_dev->sas_device;
4849 	struct domain_device *parent_dev = dev->parent;
4850 	struct pm8001_port *port = dev->port->lldd_port;
4851 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4852 
4853 	memset(&payload, 0, sizeof(payload));
4854 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4855 	if (rc)
4856 		return rc;
4857 	ccb = &pm8001_ha->ccb_info[tag];
4858 	ccb->device = pm8001_dev;
4859 	ccb->ccb_tag = tag;
4860 	payload.tag = cpu_to_le32(tag);
4861 
4862 	if (flag == 1) {
4863 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4864 	} else {
4865 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4866 			stp_sspsmp_sata = 0x00; /* stp*/
4867 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4868 			dev_is_expander(pm8001_dev->dev_type))
4869 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4870 	}
4871 	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4872 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4873 	else
4874 		phy_id = pm8001_dev->attached_phy;
4875 
4876 	opc = OPC_INB_REG_DEV;
4877 
4878 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4879 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4880 
4881 	payload.phyid_portid =
4882 		cpu_to_le32(((port->port_id) & 0xFF) |
4883 		((phy_id & 0xFF) << 8));
4884 
4885 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4886 		((linkrate & 0x0F) << 24) |
4887 		((stp_sspsmp_sata & 0x03) << 28));
4888 	payload.firstburstsize_ITNexustimeout =
4889 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4890 
4891 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4892 		SAS_ADDR_SIZE);
4893 
4894 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4895 			sizeof(payload), 0);
4896 	if (rc)
4897 		pm8001_tag_free(pm8001_ha, tag);
4898 
4899 	return rc;
4900 }
4901 
4902 /**
4903  * pm80xx_chip_phy_ctl_req - support the local phy operation
4904  * @pm8001_ha: our hba card information.
4905  * @phyId: the phy id which we wanted to operate
4906  * @phy_op: phy operation to request
4907  */
4908 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4909 	u32 phyId, u32 phy_op)
4910 {
4911 	u32 tag;
4912 	int rc;
4913 	struct local_phy_ctl_req payload;
4914 	struct inbound_queue_table *circularQ;
4915 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4916 	memset(&payload, 0, sizeof(payload));
4917 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4918 	if (rc)
4919 		return rc;
4920 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4921 	payload.tag = cpu_to_le32(tag);
4922 	payload.phyop_phyid =
4923 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4924 	return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4925 			sizeof(payload), 0);
4926 }
4927 
4928 static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4929 {
4930 #ifdef PM8001_USE_MSIX
4931 	return 1;
4932 #else
4933 	u32 value;
4934 
4935 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4936 	if (value)
4937 		return 1;
4938 	return 0;
4939 #endif
4940 }
4941 
4942 /**
4943  * pm80xx_chip_isr - PM8001 isr handler.
4944  * @pm8001_ha: our hba card information.
4945  * @vec: irq number.
4946  */
4947 static irqreturn_t
4948 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4949 {
4950 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4951 	pm8001_dbg(pm8001_ha, DEVIO,
4952 		   "irq vec %d, ODMR:0x%x\n",
4953 		   vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4954 	process_oq(pm8001_ha, vec);
4955 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4956 	return IRQ_HANDLED;
4957 }
4958 
4959 static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4960 				    u32 operation, u32 phyid,
4961 				    u32 length, u32 *buf)
4962 {
4963 	u32 tag, i, j = 0;
4964 	int rc;
4965 	struct set_phy_profile_req payload;
4966 	struct inbound_queue_table *circularQ;
4967 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4968 
4969 	memset(&payload, 0, sizeof(payload));
4970 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4971 	if (rc)
4972 		pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n");
4973 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4974 	payload.tag = cpu_to_le32(tag);
4975 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4976 	pm8001_dbg(pm8001_ha, INIT,
4977 		   " phy profile command for phy %x ,length is %d\n",
4978 		   payload.ppc_phyid, length);
4979 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4980 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4981 		j++;
4982 	}
4983 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4984 			sizeof(payload), 0);
4985 	if (rc)
4986 		pm8001_tag_free(pm8001_ha, tag);
4987 }
4988 
4989 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4990 	u32 length, u8 *buf)
4991 {
4992 	u32 i;
4993 
4994 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4995 		mpi_set_phy_profile_req(pm8001_ha,
4996 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4997 		length = length + PHY_DWORD_LENGTH;
4998 	}
4999 	pm8001_dbg(pm8001_ha, INIT, "phy settings completed\n");
5000 }
5001 
5002 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
5003 		u32 phy, u32 length, u32 *buf)
5004 {
5005 	u32 tag, opc;
5006 	int rc, i;
5007 	struct set_phy_profile_req payload;
5008 	struct inbound_queue_table *circularQ;
5009 
5010 	memset(&payload, 0, sizeof(payload));
5011 
5012 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5013 	if (rc)
5014 		pm8001_dbg(pm8001_ha, INIT, "Invalid tag\n");
5015 
5016 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5017 	opc = OPC_INB_SET_PHY_PROFILE;
5018 
5019 	payload.tag = cpu_to_le32(tag);
5020 	payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
5021 				| (phy & 0xFF));
5022 
5023 	for (i = 0; i < length; i++)
5024 		payload.reserved[i] = cpu_to_le32(*(buf + i));
5025 
5026 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
5027 			sizeof(payload), 0);
5028 	if (rc)
5029 		pm8001_tag_free(pm8001_ha, tag);
5030 
5031 	pm8001_dbg(pm8001_ha, INIT, "PHY %d settings applied\n", phy);
5032 }
5033 const struct pm8001_dispatch pm8001_80xx_dispatch = {
5034 	.name			= "pmc80xx",
5035 	.chip_init		= pm80xx_chip_init,
5036 	.chip_soft_rst		= pm80xx_chip_soft_rst,
5037 	.chip_rst		= pm80xx_hw_chip_rst,
5038 	.chip_iounmap		= pm8001_chip_iounmap,
5039 	.isr			= pm80xx_chip_isr,
5040 	.is_our_interrupt	= pm80xx_chip_is_our_interrupt,
5041 	.isr_process_oq		= process_oq,
5042 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
5043 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
5044 	.make_prd		= pm8001_chip_make_sg,
5045 	.smp_req		= pm80xx_chip_smp_req,
5046 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
5047 	.sata_req		= pm80xx_chip_sata_req,
5048 	.phy_start_req		= pm80xx_chip_phy_start_req,
5049 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
5050 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
5051 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5052 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
5053 	.task_abort		= pm8001_chip_abort_task,
5054 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5055 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5056 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5057 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5058 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5059 	.fatal_errors		= pm80xx_fatal_errors,
5060 };
5061