xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision fc772314)
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_FAIL_DBG(pm8001_ha,
62 			pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
63 			" = 0x%x\n", reg_val));
64 		return -1;
65 	}
66 	return 0;
67 }
68 
69 static void pm80xx_pci_mem_copy(struct pm8001_hba_info  *pm8001_ha, u32 soffset,
70 				const void *destination,
71 				u32 dw_count, u32 bus_base_number)
72 {
73 	u32 index, value, offset;
74 	u32 *destination1;
75 	destination1 = (u32 *)destination;
76 
77 	for (index = 0; index < dw_count; index += 4, destination1++) {
78 		offset = (soffset + index);
79 		if (offset < (64 * 1024)) {
80 			value = pm8001_cr32(pm8001_ha, bus_base_number, offset);
81 			*destination1 =  cpu_to_le32(value);
82 		}
83 	}
84 	return;
85 }
86 
87 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
88 	struct device_attribute *attr, char *buf)
89 {
90 	struct Scsi_Host *shost = class_to_shost(cdev);
91 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
92 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
93 	void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
94 	u32 accum_len , reg_val, index, *temp;
95 	u32 status = 1;
96 	unsigned long start;
97 	u8 *direct_data;
98 	char *fatal_error_data = buf;
99 	u32 length_to_read;
100 	u32 offset;
101 
102 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
103 	if (pm8001_ha->chip_id == chip_8001) {
104 		pm8001_ha->forensic_info.data_buf.direct_data +=
105 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
106 			"Not supported for SPC controller");
107 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
108 			(char *)buf;
109 	}
110 	/* initialize variables for very first call from host application */
111 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
112 		PM8001_IO_DBG(pm8001_ha,
113 		pm8001_printk("forensic_info TYPE_NON_FATAL..............\n"));
114 		direct_data = (u8 *)fatal_error_data;
115 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
116 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
117 		pm8001_ha->forensic_info.data_buf.direct_offset = 0;
118 		pm8001_ha->forensic_info.data_buf.read_len = 0;
119 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
120 
121 		/* Write signature to fatal dump table */
122 		pm8001_mw32(fatal_table_address,
123 				MPI_FATAL_EDUMP_TABLE_SIGNATURE, 0x1234abcd);
124 
125 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
126 		PM8001_IO_DBG(pm8001_ha,
127 			pm8001_printk("ossaHwCB: status1 %d\n", status));
128 		PM8001_IO_DBG(pm8001_ha,
129 			pm8001_printk("ossaHwCB: read_len 0x%x\n",
130 			pm8001_ha->forensic_info.data_buf.read_len));
131 		PM8001_IO_DBG(pm8001_ha,
132 			pm8001_printk("ossaHwCB: direct_len 0x%x\n",
133 			pm8001_ha->forensic_info.data_buf.direct_len));
134 		PM8001_IO_DBG(pm8001_ha,
135 			pm8001_printk("ossaHwCB: direct_offset 0x%x\n",
136 			pm8001_ha->forensic_info.data_buf.direct_offset));
137 	}
138 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
139 		/* start to get data */
140 		/* Program the MEMBASE II Shifting Register with 0x00.*/
141 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
142 				pm8001_ha->fatal_forensic_shift_offset);
143 		pm8001_ha->forensic_last_offset = 0;
144 		pm8001_ha->forensic_fatal_step = 0;
145 		pm8001_ha->fatal_bar_loc = 0;
146 	}
147 
148 	/* Read until accum_len is retrived */
149 	accum_len = pm8001_mr32(fatal_table_address,
150 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
151 	/* Determine length of data between previously stored transfer length
152 	 * and current accumulated transfer length
153 	 */
154 	length_to_read =
155 		accum_len - pm8001_ha->forensic_preserved_accumulated_transfer;
156 	PM8001_IO_DBG(pm8001_ha,
157 		pm8001_printk("get_fatal_spcv: accum_len 0x%x\n", accum_len));
158 	PM8001_IO_DBG(pm8001_ha,
159 		pm8001_printk("get_fatal_spcv: length_to_read 0x%x\n",
160 		length_to_read));
161 	PM8001_IO_DBG(pm8001_ha,
162 		pm8001_printk("get_fatal_spcv: last_offset 0x%x\n",
163 		pm8001_ha->forensic_last_offset));
164 	PM8001_IO_DBG(pm8001_ha,
165 		pm8001_printk("get_fatal_spcv: read_len 0x%x\n",
166 		pm8001_ha->forensic_info.data_buf.read_len));
167 	PM8001_IO_DBG(pm8001_ha,
168 		pm8001_printk("get_fatal_spcv:: direct_len 0x%x\n",
169 		pm8001_ha->forensic_info.data_buf.direct_len));
170 	PM8001_IO_DBG(pm8001_ha,
171 		pm8001_printk("get_fatal_spcv:: direct_offset 0x%x\n",
172 		pm8001_ha->forensic_info.data_buf.direct_offset));
173 
174 	/* If accumulated length failed to read correctly fail the attempt.*/
175 	if (accum_len == 0xFFFFFFFF) {
176 		PM8001_IO_DBG(pm8001_ha,
177 			pm8001_printk("Possible PCI issue 0x%x not expected\n",
178 			accum_len));
179 		return status;
180 	}
181 	/* If accumulated length is zero fail the attempt */
182 	if (accum_len == 0) {
183 		pm8001_ha->forensic_info.data_buf.direct_data +=
184 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
185 			"%08x ", 0xFFFFFFFF);
186 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
187 			(char *)buf;
188 	}
189 	/* Accumulated length is good so start capturing the first data */
190 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
191 	if (pm8001_ha->forensic_fatal_step == 0) {
192 moreData:
193 		/* If data to read is less than SYSFS_OFFSET then reduce the
194 		 * length of dataLen
195 		 */
196 		if (pm8001_ha->forensic_last_offset + SYSFS_OFFSET
197 				> length_to_read) {
198 			pm8001_ha->forensic_info.data_buf.direct_len =
199 				length_to_read -
200 				pm8001_ha->forensic_last_offset;
201 		} else {
202 			pm8001_ha->forensic_info.data_buf.direct_len =
203 				SYSFS_OFFSET;
204 		}
205 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
206 			/* Data is in bar, copy to host memory */
207 			pm80xx_pci_mem_copy(pm8001_ha,
208 			pm8001_ha->fatal_bar_loc,
209 			pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
210 			pm8001_ha->forensic_info.data_buf.direct_len, 1);
211 		}
212 		pm8001_ha->fatal_bar_loc +=
213 			pm8001_ha->forensic_info.data_buf.direct_len;
214 		pm8001_ha->forensic_info.data_buf.direct_offset +=
215 			pm8001_ha->forensic_info.data_buf.direct_len;
216 		pm8001_ha->forensic_last_offset	+=
217 			pm8001_ha->forensic_info.data_buf.direct_len;
218 		pm8001_ha->forensic_info.data_buf.read_len =
219 			pm8001_ha->forensic_info.data_buf.direct_len;
220 
221 		if (pm8001_ha->forensic_last_offset  >= length_to_read) {
222 			pm8001_ha->forensic_info.data_buf.direct_data +=
223 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
224 				"%08x ", 3);
225 			for (index = 0; index <
226 				(pm8001_ha->forensic_info.data_buf.direct_len
227 				 / 4); index++) {
228 				pm8001_ha->forensic_info.data_buf.direct_data +=
229 				sprintf(
230 				pm8001_ha->forensic_info.data_buf.direct_data,
231 				"%08x ", *(temp + index));
232 			}
233 
234 			pm8001_ha->fatal_bar_loc = 0;
235 			pm8001_ha->forensic_fatal_step = 1;
236 			pm8001_ha->fatal_forensic_shift_offset = 0;
237 			pm8001_ha->forensic_last_offset	= 0;
238 			status = 0;
239 			offset = (int)
240 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
241 			- (char *)buf);
242 			PM8001_IO_DBG(pm8001_ha,
243 			pm8001_printk("get_fatal_spcv:return1 0x%x\n", offset));
244 			return (char *)pm8001_ha->
245 				forensic_info.data_buf.direct_data -
246 				(char *)buf;
247 		}
248 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
249 			pm8001_ha->forensic_info.data_buf.direct_data +=
250 				sprintf(pm8001_ha->
251 					forensic_info.data_buf.direct_data,
252 					"%08x ", 2);
253 			for (index = 0; index <
254 				(pm8001_ha->forensic_info.data_buf.direct_len
255 				 / 4); index++) {
256 				pm8001_ha->forensic_info.data_buf.direct_data
257 					+= sprintf(pm8001_ha->
258 					forensic_info.data_buf.direct_data,
259 					"%08x ", *(temp + index));
260 			}
261 			status = 0;
262 			offset = (int)
263 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
264 			- (char *)buf);
265 			PM8001_IO_DBG(pm8001_ha,
266 			pm8001_printk("get_fatal_spcv:return2 0x%x\n", offset));
267 			return (char *)pm8001_ha->
268 				forensic_info.data_buf.direct_data -
269 				(char *)buf;
270 		}
271 
272 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
273 		pm8001_ha->forensic_info.data_buf.direct_data +=
274 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
275 				"%08x ", 2);
276 		for (index = 0; index <
277 			(pm8001_ha->forensic_info.data_buf.direct_len
278 			 / 4) ; index++) {
279 			pm8001_ha->forensic_info.data_buf.direct_data +=
280 				sprintf(pm8001_ha->
281 				forensic_info.data_buf.direct_data,
282 				"%08x ", *(temp + index));
283 		}
284 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
285 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
286 			pm8001_ha->fatal_forensic_shift_offset);
287 		pm8001_ha->fatal_bar_loc = 0;
288 		status = 0;
289 		offset = (int)
290 			((char *)pm8001_ha->forensic_info.data_buf.direct_data
291 			- (char *)buf);
292 		PM8001_IO_DBG(pm8001_ha,
293 		pm8001_printk("get_fatal_spcv: return3 0x%x\n", offset));
294 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
295 			(char *)buf;
296 	}
297 	if (pm8001_ha->forensic_fatal_step == 1) {
298 		/* store previous accumulated length before triggering next
299 		 * accumulated length update
300 		 */
301 		pm8001_ha->forensic_preserved_accumulated_transfer =
302 			pm8001_mr32(fatal_table_address,
303 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
304 
305 		/* continue capturing the fatal log until Dump status is 0x3 */
306 		if (pm8001_mr32(fatal_table_address,
307 			MPI_FATAL_EDUMP_TABLE_STATUS) <
308 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
309 
310 			/* reset fddstat bit by writing to zero*/
311 			pm8001_mw32(fatal_table_address,
312 					MPI_FATAL_EDUMP_TABLE_STATUS, 0x0);
313 
314 			/* set dump control value to '1' so that new data will
315 			 * be transferred to shared memory
316 			 */
317 			pm8001_mw32(fatal_table_address,
318 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
319 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
320 
321 			/*Poll FDDHSHK  until clear */
322 			start = jiffies + (2 * HZ); /* 2 sec */
323 
324 			do {
325 				reg_val = pm8001_mr32(fatal_table_address,
326 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
327 			} while ((reg_val) && time_before(jiffies, start));
328 
329 			if (reg_val != 0) {
330 				PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
331 				"TIMEOUT:MPI_FATAL_EDUMP_TABLE_HDSHAKE 0x%x\n",
332 				reg_val));
333 			       /* Fail the dump if a timeout occurs */
334 				pm8001_ha->forensic_info.data_buf.direct_data +=
335 				sprintf(
336 				pm8001_ha->forensic_info.data_buf.direct_data,
337 				"%08x ", 0xFFFFFFFF);
338 				return((char *)
339 				pm8001_ha->forensic_info.data_buf.direct_data
340 				- (char *)buf);
341 			}
342 			/* Poll status register until set to 2 or
343 			 * 3 for up to 2 seconds
344 			 */
345 			start = jiffies + (2 * HZ); /* 2 sec */
346 
347 			do {
348 				reg_val = pm8001_mr32(fatal_table_address,
349 					MPI_FATAL_EDUMP_TABLE_STATUS);
350 			} while (((reg_val != 2) && (reg_val != 3)) &&
351 					time_before(jiffies, start));
352 
353 			if (reg_val < 2) {
354 				PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
355 				"TIMEOUT:MPI_FATAL_EDUMP_TABLE_STATUS = 0x%x\n",
356 				reg_val));
357 				/* Fail the dump if a timeout occurs */
358 				pm8001_ha->forensic_info.data_buf.direct_data +=
359 				sprintf(
360 				pm8001_ha->forensic_info.data_buf.direct_data,
361 				"%08x ", 0xFFFFFFFF);
362 				pm8001_cw32(pm8001_ha, 0,
363 					MEMBASE_II_SHIFT_REGISTER,
364 					pm8001_ha->fatal_forensic_shift_offset);
365 			}
366 			/* Read the next block of the debug data.*/
367 			length_to_read = pm8001_mr32(fatal_table_address,
368 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN) -
369 			pm8001_ha->forensic_preserved_accumulated_transfer;
370 			if (length_to_read != 0x0) {
371 				pm8001_ha->forensic_fatal_step = 0;
372 				goto moreData;
373 			} else {
374 				pm8001_ha->forensic_info.data_buf.direct_data +=
375 				sprintf(
376 				pm8001_ha->forensic_info.data_buf.direct_data,
377 				"%08x ", 4);
378 				pm8001_ha->forensic_info.data_buf.read_len
379 								= 0xFFFFFFFF;
380 				pm8001_ha->forensic_info.data_buf.direct_len
381 								=  0;
382 				pm8001_ha->forensic_info.data_buf.direct_offset
383 								= 0;
384 				pm8001_ha->forensic_info.data_buf.read_len = 0;
385 			}
386 		}
387 	}
388 	offset = (int)((char *)pm8001_ha->forensic_info.data_buf.direct_data
389 			- (char *)buf);
390 	PM8001_IO_DBG(pm8001_ha,
391 		pm8001_printk("get_fatal_spcv: return4 0x%x\n", offset));
392 	return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
393 		(char *)buf;
394 }
395 
396 /* pm80xx_get_non_fatal_dump - dump the nonfatal data from the dma
397  * location by the firmware.
398  */
399 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
400 	struct device_attribute *attr, char *buf)
401 {
402 	struct Scsi_Host *shost = class_to_shost(cdev);
403 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
404 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
405 	void __iomem *nonfatal_table_address = pm8001_ha->fatal_tbl_addr;
406 	u32 accum_len = 0;
407 	u32 total_len = 0;
408 	u32 reg_val = 0;
409 	u32 *temp = NULL;
410 	u32 index = 0;
411 	u32 output_length;
412 	unsigned long start = 0;
413 	char *buf_copy = buf;
414 
415 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
416 	if (++pm8001_ha->non_fatal_count == 1) {
417 		if (pm8001_ha->chip_id == chip_8001) {
418 			snprintf(pm8001_ha->forensic_info.data_buf.direct_data,
419 				PAGE_SIZE, "Not supported for SPC controller");
420 			return 0;
421 		}
422 		PM8001_IO_DBG(pm8001_ha,
423 			pm8001_printk("forensic_info TYPE_NON_FATAL...\n"));
424 		/*
425 		 * Step 1: Write the host buffer parameters in the MPI Fatal and
426 		 * Non-Fatal Error Dump Capture Table.This is the buffer
427 		 * where debug data will be DMAed to.
428 		 */
429 		pm8001_mw32(nonfatal_table_address,
430 		MPI_FATAL_EDUMP_TABLE_LO_OFFSET,
431 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_lo);
432 
433 		pm8001_mw32(nonfatal_table_address,
434 		MPI_FATAL_EDUMP_TABLE_HI_OFFSET,
435 		pm8001_ha->memoryMap.region[FORENSIC_MEM].phys_addr_hi);
436 
437 		pm8001_mw32(nonfatal_table_address,
438 		MPI_FATAL_EDUMP_TABLE_LENGTH, SYSFS_OFFSET);
439 
440 		/* Optionally, set the DUMPCTRL bit to 1 if the host
441 		 * keeps sending active I/Os while capturing the non-fatal
442 		 * debug data. Otherwise, leave this bit set to zero
443 		 */
444 		pm8001_mw32(nonfatal_table_address,
445 		MPI_FATAL_EDUMP_TABLE_HANDSHAKE, MPI_FATAL_EDUMP_HANDSHAKE_RDY);
446 
447 		/*
448 		 * Step 2: Clear Accumulative Length of Debug Data Transferred
449 		 * [ACCDDLEN] field in the MPI Fatal and Non-Fatal Error Dump
450 		 * Capture Table to zero.
451 		 */
452 		pm8001_mw32(nonfatal_table_address,
453 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN, 0);
454 
455 		/* initiallize previous accumulated length to 0 */
456 		pm8001_ha->forensic_preserved_accumulated_transfer = 0;
457 		pm8001_ha->non_fatal_read_length = 0;
458 	}
459 
460 	total_len = pm8001_mr32(nonfatal_table_address,
461 			MPI_FATAL_EDUMP_TABLE_TOTAL_LEN);
462 	/*
463 	 * Step 3:Clear Fatal/Non-Fatal Debug Data Transfer Status [FDDTSTAT]
464 	 * field and then request that the SPCv controller transfer the debug
465 	 * data by setting bit 7 of the Inbound Doorbell Set Register.
466 	 */
467 	pm8001_mw32(nonfatal_table_address, MPI_FATAL_EDUMP_TABLE_STATUS, 0);
468 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET,
469 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP);
470 
471 	/*
472 	 * Step 4.1: Read back the Inbound Doorbell Set Register (by polling for
473 	 * 2 seconds) until register bit 7 is cleared.
474 	 * This step only indicates the request is accepted by the controller.
475 	 */
476 	start = jiffies + (2 * HZ); /* 2 sec */
477 	do {
478 		reg_val = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET) &
479 			SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP;
480 	} while ((reg_val != 0) && time_before(jiffies, start));
481 
482 	/* Step 4.2: To check the completion of the transfer, poll the Fatal/Non
483 	 * Fatal Debug Data Transfer Status [FDDTSTAT] field for 2 seconds in
484 	 * the MPI Fatal and Non-Fatal Error Dump Capture Table.
485 	 */
486 	start = jiffies + (2 * HZ); /* 2 sec */
487 	do {
488 		reg_val = pm8001_mr32(nonfatal_table_address,
489 				MPI_FATAL_EDUMP_TABLE_STATUS);
490 	} while ((!reg_val) && time_before(jiffies, start));
491 
492 	if ((reg_val == 0x00) ||
493 		(reg_val == MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED) ||
494 		(reg_val > MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE)) {
495 		pm8001_ha->non_fatal_read_length = 0;
496 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 0xFFFFFFFF);
497 		pm8001_ha->non_fatal_count = 0;
498 		return (buf_copy - buf);
499 	} else if (reg_val ==
500 			MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA) {
501 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 2);
502 	} else if ((reg_val == MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) ||
503 		(pm8001_ha->non_fatal_read_length >= total_len)) {
504 		pm8001_ha->non_fatal_read_length = 0;
505 		buf_copy += snprintf(buf_copy, PAGE_SIZE, "%08x ", 4);
506 		pm8001_ha->non_fatal_count = 0;
507 	}
508 	accum_len = pm8001_mr32(nonfatal_table_address,
509 			MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
510 	output_length = accum_len -
511 		pm8001_ha->forensic_preserved_accumulated_transfer;
512 
513 	for (index = 0; index < output_length/4; index++)
514 		buf_copy += snprintf(buf_copy, PAGE_SIZE,
515 				"%08x ", *(temp+index));
516 
517 	pm8001_ha->non_fatal_read_length += output_length;
518 
519 	/* store current accumulated length to use in next iteration as
520 	 * the previous accumulated length
521 	 */
522 	pm8001_ha->forensic_preserved_accumulated_transfer = accum_len;
523 	return (buf_copy - buf);
524 }
525 
526 /**
527  * read_main_config_table - read the configure table and save it.
528  * @pm8001_ha: our hba card information
529  */
530 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
531 {
532 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
533 
534 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
535 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
536 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
537 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
538 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
539 		pm8001_mr32(address, MAIN_FW_REVISION);
540 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
541 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
542 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
543 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
544 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
545 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
546 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
547 		pm8001_mr32(address, MAIN_GST_OFFSET);
548 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
549 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
550 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
551 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
552 
553 	/* read Error Dump Offset and Length */
554 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
555 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
556 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
557 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
558 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
559 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
560 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
561 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
562 
563 	/* read GPIO LED settings from the configuration table */
564 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
565 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
566 
567 	/* read analog Setting offset from the configuration table */
568 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
569 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
570 
571 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
572 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
573 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
574 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
575 	/* read port recover and reset timeout */
576 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
577 		pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
578 	/* read ILA and inactive firmware version */
579 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
580 		pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
581 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
582 		pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
583 
584 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
585 		"Main cfg table: sign:%x interface rev:%x fw_rev:%x\n",
586 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature,
587 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev,
588 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev));
589 
590 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
591 		"table offset: gst:%x iq:%x oq:%x int vec:%x phy attr:%x\n",
592 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset,
593 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset,
594 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset,
595 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset,
596 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset));
597 
598 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
599 		"Main cfg table; ila rev:%x Inactive fw rev:%x\n",
600 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version,
601 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version));
602 }
603 
604 /**
605  * read_general_status_table - read the general status table and save it.
606  * @pm8001_ha: our hba card information
607  */
608 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
609 {
610 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
611 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
612 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
613 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
614 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
615 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
616 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
617 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
618 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
619 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
620 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
621 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
622 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
623 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
624 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
625 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
626 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
627 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
628 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
629 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
630 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
631 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
632 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
633 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
634 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
635 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
636 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
637 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
638 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
639 }
640 /**
641  * read_phy_attr_table - read the phy attribute table and save it.
642  * @pm8001_ha: our hba card information
643  */
644 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
645 {
646 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
647 	pm8001_ha->phy_attr_table.phystart1_16[0] =
648 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
649 	pm8001_ha->phy_attr_table.phystart1_16[1] =
650 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
651 	pm8001_ha->phy_attr_table.phystart1_16[2] =
652 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
653 	pm8001_ha->phy_attr_table.phystart1_16[3] =
654 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
655 	pm8001_ha->phy_attr_table.phystart1_16[4] =
656 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
657 	pm8001_ha->phy_attr_table.phystart1_16[5] =
658 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
659 	pm8001_ha->phy_attr_table.phystart1_16[6] =
660 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
661 	pm8001_ha->phy_attr_table.phystart1_16[7] =
662 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
663 	pm8001_ha->phy_attr_table.phystart1_16[8] =
664 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
665 	pm8001_ha->phy_attr_table.phystart1_16[9] =
666 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
667 	pm8001_ha->phy_attr_table.phystart1_16[10] =
668 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
669 	pm8001_ha->phy_attr_table.phystart1_16[11] =
670 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
671 	pm8001_ha->phy_attr_table.phystart1_16[12] =
672 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
673 	pm8001_ha->phy_attr_table.phystart1_16[13] =
674 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
675 	pm8001_ha->phy_attr_table.phystart1_16[14] =
676 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
677 	pm8001_ha->phy_attr_table.phystart1_16[15] =
678 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
679 
680 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
681 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
682 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
683 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
684 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
685 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
686 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
687 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
688 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
689 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
690 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
691 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
692 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
693 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
694 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
695 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
696 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
697 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
698 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
699 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
700 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
701 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
702 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
703 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
704 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
705 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
706 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
707 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
708 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
709 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
710 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
711 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
712 
713 }
714 
715 /**
716  * read_inbnd_queue_table - read the inbound queue table and save it.
717  * @pm8001_ha: our hba card information
718  */
719 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
720 {
721 	int i;
722 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
723 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
724 		u32 offset = i * 0x20;
725 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
726 			get_pci_bar_index(pm8001_mr32(address,
727 				(offset + IB_PIPCI_BAR)));
728 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
729 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
730 	}
731 }
732 
733 /**
734  * read_outbnd_queue_table - read the outbound queue table and save it.
735  * @pm8001_ha: our hba card information
736  */
737 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
738 {
739 	int i;
740 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
741 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
742 		u32 offset = i * 0x24;
743 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
744 			get_pci_bar_index(pm8001_mr32(address,
745 				(offset + OB_CIPCI_BAR)));
746 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
747 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
748 	}
749 }
750 
751 /**
752  * init_default_table_values - init the default table.
753  * @pm8001_ha: our hba card information
754  */
755 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
756 {
757 	int i;
758 	u32 offsetib, offsetob;
759 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
760 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
761 
762 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
763 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
764 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
765 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
766 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
767 							PM8001_EVENT_LOG_SIZE;
768 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
769 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
770 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
771 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
772 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
773 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
774 							PM8001_EVENT_LOG_SIZE;
775 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
776 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
777 
778 	/* Disable end to end CRC checking */
779 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
780 
781 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
782 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
783 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
784 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
785 			pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
786 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
787 		pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
788 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
789 			(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
790 		pm8001_ha->inbnd_q_tbl[i].total_length		=
791 			pm8001_ha->memoryMap.region[IB + i].total_len;
792 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
793 			pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
794 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
795 			pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
796 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
797 			pm8001_ha->memoryMap.region[CI + i].virt_ptr;
798 		offsetib = i * 0x20;
799 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
800 			get_pci_bar_index(pm8001_mr32(addressib,
801 				(offsetib + 0x14)));
802 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
803 			pm8001_mr32(addressib, (offsetib + 0x18));
804 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
805 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
806 
807 		PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
808 			"IQ %d pi_bar 0x%x pi_offset 0x%x\n", i,
809 			pm8001_ha->inbnd_q_tbl[i].pi_pci_bar,
810 			pm8001_ha->inbnd_q_tbl[i].pi_offset));
811 	}
812 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
813 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
814 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
815 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
816 			pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
817 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
818 			pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
819 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
820 			(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
821 		pm8001_ha->outbnd_q_tbl[i].total_length		=
822 			pm8001_ha->memoryMap.region[OB + i].total_len;
823 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
824 			pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
825 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
826 			pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
827 		/* interrupt vector based on oq */
828 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
829 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
830 			pm8001_ha->memoryMap.region[PI + i].virt_ptr;
831 		offsetob = i * 0x24;
832 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
833 			get_pci_bar_index(pm8001_mr32(addressob,
834 			offsetob + 0x14));
835 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
836 			pm8001_mr32(addressob, (offsetob + 0x18));
837 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
838 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
839 
840 		PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
841 			"OQ %d ci_bar 0x%x ci_offset 0x%x\n", i,
842 			pm8001_ha->outbnd_q_tbl[i].ci_pci_bar,
843 			pm8001_ha->outbnd_q_tbl[i].ci_offset));
844 	}
845 }
846 
847 /**
848  * update_main_config_table - update the main default table to the HBA.
849  * @pm8001_ha: our hba card information
850  */
851 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
852 {
853 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
854 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
855 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
856 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
857 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
858 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
859 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
860 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
861 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
862 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
863 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
864 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
865 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
866 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
867 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
868 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
869 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
870 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
871 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
872 	/* Update Fatal error interrupt vector */
873 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
874 					((pm8001_ha->number_of_intr - 1) << 8);
875 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
876 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
877 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
878 		"Updated Fatal error interrupt vector 0x%x\n",
879 		pm8001_mr32(address, MAIN_FATAL_ERROR_INTERRUPT)));
880 
881 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
882 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
883 
884 	/* SPCv specific */
885 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
886 	/* Set GPIOLED to 0x2 for LED indicator */
887 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
888 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
889 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
890 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
891 		"Programming DW 0x21 in main cfg table with 0x%x\n",
892 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET)));
893 
894 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
895 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
896 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
897 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
898 
899 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
900 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
901 							PORT_RECOVERY_TIMEOUT;
902 	if (pm8001_ha->chip_id == chip_8006) {
903 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
904 					0x0000ffff;
905 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
906 					CHIP_8006_PORT_RECOVERY_TIMEOUT;
907 	}
908 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
909 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
910 }
911 
912 /**
913  * update_inbnd_queue_table - update the inbound queue table to the HBA.
914  * @pm8001_ha: our hba card information
915  * @number: entry in the queue
916  */
917 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
918 					 int number)
919 {
920 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
921 	u16 offset = number * 0x20;
922 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
923 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
924 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
925 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
926 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
927 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
928 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
929 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
930 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
931 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
932 
933 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
934 		"IQ %d: Element pri size 0x%x\n",
935 		number,
936 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt));
937 
938 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
939 		"IQ upr base addr 0x%x IQ lwr base addr 0x%x\n",
940 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr,
941 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr));
942 
943 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
944 		"CI upper base addr 0x%x CI lower base addr 0x%x\n",
945 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr,
946 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr));
947 }
948 
949 /**
950  * update_outbnd_queue_table - update the outbound queue table to the HBA.
951  * @pm8001_ha: our hba card information
952  * @number: entry in the queue
953  */
954 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
955 						 int number)
956 {
957 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
958 	u16 offset = number * 0x24;
959 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
960 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
961 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
962 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
963 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
964 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
965 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
966 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
967 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
968 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
969 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
970 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
971 
972 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
973 		"OQ %d: Element pri size 0x%x\n",
974 		number,
975 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt));
976 
977 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
978 		"OQ upr base addr 0x%x OQ lwr base addr 0x%x\n",
979 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr,
980 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr));
981 
982 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
983 		"PI upper base addr 0x%x PI lower base addr 0x%x\n",
984 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr,
985 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr));
986 }
987 
988 /**
989  * mpi_init_check - check firmware initialization status.
990  * @pm8001_ha: our hba card information
991  */
992 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
993 {
994 	u32 max_wait_count;
995 	u32 value;
996 	u32 gst_len_mpistate;
997 
998 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
999 	table is updated */
1000 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
1001 	/* wait until Inbound DoorBell Clear Register toggled */
1002 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1003 		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
1004 	} else {
1005 		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
1006 	}
1007 	do {
1008 		udelay(1);
1009 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1010 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
1011 	} while ((value != 0) && (--max_wait_count));
1012 
1013 	if (!max_wait_count)
1014 		return -1;
1015 	/* check the MPI-State for initialization upto 100ms*/
1016 	max_wait_count = 100 * 1000;/* 100 msec */
1017 	do {
1018 		udelay(1);
1019 		gst_len_mpistate =
1020 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1021 					GST_GSTLEN_MPIS_OFFSET);
1022 	} while ((GST_MPI_STATE_INIT !=
1023 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
1024 	if (!max_wait_count)
1025 		return -1;
1026 
1027 	/* check MPI Initialization error */
1028 	gst_len_mpistate = gst_len_mpistate >> 16;
1029 	if (0x0000 != gst_len_mpistate)
1030 		return -1;
1031 
1032 	return 0;
1033 }
1034 
1035 /**
1036  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
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 	int ret = 0;
1045 
1046 	/* reset / PCIe ready */
1047 	max_wait_time = max_wait_count = 100 * 1000;	/* 100 milli sec */
1048 	do {
1049 		udelay(1);
1050 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1051 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
1052 
1053 	/* check ila status */
1054 	max_wait_time = max_wait_count = 1000 * 1000;	/* 1000 milli sec */
1055 	do {
1056 		udelay(1);
1057 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1058 	} while (((value & SCRATCH_PAD_ILA_READY) !=
1059 			SCRATCH_PAD_ILA_READY) && (--max_wait_count));
1060 	if (!max_wait_count)
1061 		ret = -1;
1062 	else {
1063 		PM8001_MSG_DBG(pm8001_ha,
1064 			pm8001_printk(" ila ready status in %d millisec\n",
1065 				(max_wait_time - max_wait_count)));
1066 	}
1067 
1068 	/* check RAAE status */
1069 	max_wait_time = max_wait_count = 1800 * 1000;	/* 1800 milli sec */
1070 	do {
1071 		udelay(1);
1072 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1073 	} while (((value & SCRATCH_PAD_RAAE_READY) !=
1074 				SCRATCH_PAD_RAAE_READY) && (--max_wait_count));
1075 	if (!max_wait_count)
1076 		ret = -1;
1077 	else {
1078 		PM8001_MSG_DBG(pm8001_ha,
1079 			pm8001_printk(" raae ready status in %d millisec\n",
1080 					(max_wait_time - max_wait_count)));
1081 	}
1082 
1083 	/* check iop0 status */
1084 	max_wait_time = max_wait_count = 600 * 1000;	/* 600 milli sec */
1085 	do {
1086 		udelay(1);
1087 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1088 	} while (((value & SCRATCH_PAD_IOP0_READY) != SCRATCH_PAD_IOP0_READY) &&
1089 			(--max_wait_count));
1090 	if (!max_wait_count)
1091 		ret = -1;
1092 	else {
1093 		PM8001_MSG_DBG(pm8001_ha,
1094 			pm8001_printk(" iop0 ready status in %d millisec\n",
1095 				(max_wait_time - max_wait_count)));
1096 	}
1097 
1098 	/* check iop1 status only for 16 port controllers */
1099 	if ((pm8001_ha->chip_id != chip_8008) &&
1100 			(pm8001_ha->chip_id != chip_8009)) {
1101 		/* 200 milli sec */
1102 		max_wait_time = max_wait_count = 200 * 1000;
1103 		do {
1104 			udelay(1);
1105 			value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1106 		} while (((value & SCRATCH_PAD_IOP1_READY) !=
1107 				SCRATCH_PAD_IOP1_READY) && (--max_wait_count));
1108 		if (!max_wait_count)
1109 			ret = -1;
1110 		else {
1111 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1112 				"iop1 ready status in %d millisec\n",
1113 				(max_wait_time - max_wait_count)));
1114 		}
1115 	}
1116 
1117 	return ret;
1118 }
1119 
1120 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
1121 {
1122 	void __iomem *base_addr;
1123 	u32	value;
1124 	u32	offset;
1125 	u32	pcibar;
1126 	u32	pcilogic;
1127 
1128 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1129 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
1130 
1131 	PM8001_DEV_DBG(pm8001_ha,
1132 		pm8001_printk("Scratchpad 0 Offset: 0x%x value 0x%x\n",
1133 				offset, value));
1134 	pcilogic = (value & 0xFC000000) >> 26;
1135 	pcibar = get_pci_bar_index(pcilogic);
1136 	PM8001_INIT_DBG(pm8001_ha,
1137 		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
1138 	pm8001_ha->main_cfg_tbl_addr = base_addr =
1139 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
1140 	pm8001_ha->general_stat_tbl_addr =
1141 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
1142 					0xFFFFFF);
1143 	pm8001_ha->inbnd_q_tbl_addr =
1144 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
1145 					0xFFFFFF);
1146 	pm8001_ha->outbnd_q_tbl_addr =
1147 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
1148 					0xFFFFFF);
1149 	pm8001_ha->ivt_tbl_addr =
1150 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
1151 					0xFFFFFF);
1152 	pm8001_ha->pspa_q_tbl_addr =
1153 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
1154 					0xFFFFFF);
1155 	pm8001_ha->fatal_tbl_addr =
1156 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
1157 					0xFFFFFF);
1158 
1159 	PM8001_INIT_DBG(pm8001_ha,
1160 			pm8001_printk("GST OFFSET 0x%x\n",
1161 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x18)));
1162 	PM8001_INIT_DBG(pm8001_ha,
1163 			pm8001_printk("INBND OFFSET 0x%x\n",
1164 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C)));
1165 	PM8001_INIT_DBG(pm8001_ha,
1166 			pm8001_printk("OBND OFFSET 0x%x\n",
1167 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x20)));
1168 	PM8001_INIT_DBG(pm8001_ha,
1169 			pm8001_printk("IVT OFFSET 0x%x\n",
1170 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C)));
1171 	PM8001_INIT_DBG(pm8001_ha,
1172 			pm8001_printk("PSPA OFFSET 0x%x\n",
1173 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x90)));
1174 	PM8001_INIT_DBG(pm8001_ha,
1175 			pm8001_printk("addr - main cfg %p general status %p\n",
1176 			pm8001_ha->main_cfg_tbl_addr,
1177 			pm8001_ha->general_stat_tbl_addr));
1178 	PM8001_INIT_DBG(pm8001_ha,
1179 			pm8001_printk("addr - inbnd %p obnd %p\n",
1180 			pm8001_ha->inbnd_q_tbl_addr,
1181 			pm8001_ha->outbnd_q_tbl_addr));
1182 	PM8001_INIT_DBG(pm8001_ha,
1183 			pm8001_printk("addr - pspa %p ivt %p\n",
1184 			pm8001_ha->pspa_q_tbl_addr,
1185 			pm8001_ha->ivt_tbl_addr));
1186 }
1187 
1188 /**
1189  * pm80xx_set_thermal_config - support the thermal configuration
1190  * @pm8001_ha: our hba card information.
1191  */
1192 int
1193 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
1194 {
1195 	struct set_ctrl_cfg_req payload;
1196 	struct inbound_queue_table *circularQ;
1197 	int rc;
1198 	u32 tag;
1199 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1200 	u32 page_code;
1201 
1202 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1203 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1204 	if (rc)
1205 		return -1;
1206 
1207 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1208 	payload.tag = cpu_to_le32(tag);
1209 
1210 	if (IS_SPCV_12G(pm8001_ha->pdev))
1211 		page_code = THERMAL_PAGE_CODE_7H;
1212 	else
1213 		page_code = THERMAL_PAGE_CODE_8H;
1214 
1215 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
1216 				(THERMAL_ENABLE << 8) | page_code;
1217 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
1218 
1219 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
1220 		"Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n",
1221 		payload.cfg_pg[0], payload.cfg_pg[1]));
1222 
1223 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1224 			sizeof(payload), 0);
1225 	if (rc)
1226 		pm8001_tag_free(pm8001_ha, tag);
1227 	return rc;
1228 
1229 }
1230 
1231 /**
1232 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
1233 * Timer configuration page
1234 * @pm8001_ha: our hba card information.
1235 */
1236 static int
1237 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
1238 {
1239 	struct set_ctrl_cfg_req payload;
1240 	struct inbound_queue_table *circularQ;
1241 	SASProtocolTimerConfig_t SASConfigPage;
1242 	int rc;
1243 	u32 tag;
1244 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
1245 
1246 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
1247 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
1248 
1249 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1250 
1251 	if (rc)
1252 		return -1;
1253 
1254 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1255 	payload.tag = cpu_to_le32(tag);
1256 
1257 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
1258 	SASConfigPage.MST_MSI         =  3 << 15;
1259 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
1260 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
1261 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
1262 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
1263 
1264 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
1265 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
1266 
1267 
1268 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
1269 						SAS_OPNRJT_RTRY_INTVL;
1270 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
1271 						| SAS_COPNRJT_RTRY_TMO;
1272 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
1273 						| SAS_COPNRJT_RTRY_THR;
1274 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
1275 
1276 	PM8001_INIT_DBG(pm8001_ha,
1277 			pm8001_printk("SASConfigPage.pageCode "
1278 			"0x%08x\n", SASConfigPage.pageCode));
1279 	PM8001_INIT_DBG(pm8001_ha,
1280 			pm8001_printk("SASConfigPage.MST_MSI "
1281 			" 0x%08x\n", SASConfigPage.MST_MSI));
1282 	PM8001_INIT_DBG(pm8001_ha,
1283 			pm8001_printk("SASConfigPage.STP_SSP_MCT_TMO "
1284 			" 0x%08x\n", SASConfigPage.STP_SSP_MCT_TMO));
1285 	PM8001_INIT_DBG(pm8001_ha,
1286 			pm8001_printk("SASConfigPage.STP_FRM_TMO "
1287 			" 0x%08x\n", SASConfigPage.STP_FRM_TMO));
1288 	PM8001_INIT_DBG(pm8001_ha,
1289 			pm8001_printk("SASConfigPage.STP_IDLE_TMO "
1290 			" 0x%08x\n", SASConfigPage.STP_IDLE_TMO));
1291 	PM8001_INIT_DBG(pm8001_ha,
1292 			pm8001_printk("SASConfigPage.OPNRJT_RTRY_INTVL "
1293 			" 0x%08x\n", SASConfigPage.OPNRJT_RTRY_INTVL));
1294 	PM8001_INIT_DBG(pm8001_ha,
1295 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO "
1296 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
1297 	PM8001_INIT_DBG(pm8001_ha,
1298 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR "
1299 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
1300 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("SASConfigPage.MAX_AIP "
1301 			" 0x%08x\n", SASConfigPage.MAX_AIP));
1302 
1303 	memcpy(&payload.cfg_pg, &SASConfigPage,
1304 			 sizeof(SASProtocolTimerConfig_t));
1305 
1306 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1307 			sizeof(payload), 0);
1308 	if (rc)
1309 		pm8001_tag_free(pm8001_ha, tag);
1310 
1311 	return rc;
1312 }
1313 
1314 /**
1315  * pm80xx_get_encrypt_info - Check for encryption
1316  * @pm8001_ha: our hba card information.
1317  */
1318 static int
1319 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
1320 {
1321 	u32 scratch3_value;
1322 	int ret = -1;
1323 
1324 	/* Read encryption status from SCRATCH PAD 3 */
1325 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1326 
1327 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1328 					SCRATCH_PAD3_ENC_READY) {
1329 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1330 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1331 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1332 						SCRATCH_PAD3_SMF_ENABLED)
1333 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1334 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1335 						SCRATCH_PAD3_SMA_ENABLED)
1336 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1337 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1338 						SCRATCH_PAD3_SMB_ENABLED)
1339 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1340 		pm8001_ha->encrypt_info.status = 0;
1341 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1342 			"Encryption: SCRATCH_PAD3_ENC_READY 0x%08X."
1343 			"Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1344 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1345 			pm8001_ha->encrypt_info.sec_mode,
1346 			pm8001_ha->encrypt_info.status));
1347 		ret = 0;
1348 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1349 					SCRATCH_PAD3_ENC_DISABLED) {
1350 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1351 			"Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1352 			scratch3_value));
1353 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1354 		pm8001_ha->encrypt_info.cipher_mode = 0;
1355 		pm8001_ha->encrypt_info.sec_mode = 0;
1356 		ret = 0;
1357 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1358 				SCRATCH_PAD3_ENC_DIS_ERR) {
1359 		pm8001_ha->encrypt_info.status =
1360 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1361 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1362 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1363 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1364 					SCRATCH_PAD3_SMF_ENABLED)
1365 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1366 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1367 					SCRATCH_PAD3_SMA_ENABLED)
1368 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1369 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1370 					SCRATCH_PAD3_SMB_ENABLED)
1371 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1372 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1373 			"Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X."
1374 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1375 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1376 			pm8001_ha->encrypt_info.sec_mode,
1377 			pm8001_ha->encrypt_info.status));
1378 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1379 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1380 
1381 		pm8001_ha->encrypt_info.status =
1382 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1383 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1384 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1385 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1386 					SCRATCH_PAD3_SMF_ENABLED)
1387 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1388 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1389 					SCRATCH_PAD3_SMA_ENABLED)
1390 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1391 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1392 					SCRATCH_PAD3_SMB_ENABLED)
1393 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1394 
1395 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1396 			"Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X."
1397 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1398 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1399 			pm8001_ha->encrypt_info.sec_mode,
1400 			pm8001_ha->encrypt_info.status));
1401 	}
1402 	return ret;
1403 }
1404 
1405 /**
1406  * pm80xx_encrypt_update - update flash with encryption informtion
1407  * @pm8001_ha: our hba card information.
1408  */
1409 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1410 {
1411 	struct kek_mgmt_req payload;
1412 	struct inbound_queue_table *circularQ;
1413 	int rc;
1414 	u32 tag;
1415 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1416 
1417 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1418 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1419 	if (rc)
1420 		return -1;
1421 
1422 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1423 	payload.tag = cpu_to_le32(tag);
1424 	/* Currently only one key is used. New KEK index is 1.
1425 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1426 	 */
1427 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1428 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1429 
1430 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
1431 		"Saving Encryption info to flash. payload 0x%x\n",
1432 		payload.new_curidx_ksop));
1433 
1434 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
1435 			sizeof(payload), 0);
1436 	if (rc)
1437 		pm8001_tag_free(pm8001_ha, tag);
1438 
1439 	return rc;
1440 }
1441 
1442 /**
1443  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
1444  * @pm8001_ha: our hba card information
1445  */
1446 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1447 {
1448 	int ret;
1449 	u8 i = 0;
1450 
1451 	/* check the firmware status */
1452 	if (-1 == check_fw_ready(pm8001_ha)) {
1453 		PM8001_FAIL_DBG(pm8001_ha,
1454 			pm8001_printk("Firmware is not ready!\n"));
1455 		return -EBUSY;
1456 	}
1457 
1458 	/* Initialize the controller fatal error flag */
1459 	pm8001_ha->controller_fatal_error = false;
1460 
1461 	/* Initialize pci space address eg: mpi offset */
1462 	init_pci_device_addresses(pm8001_ha);
1463 	init_default_table_values(pm8001_ha);
1464 	read_main_config_table(pm8001_ha);
1465 	read_general_status_table(pm8001_ha);
1466 	read_inbnd_queue_table(pm8001_ha);
1467 	read_outbnd_queue_table(pm8001_ha);
1468 	read_phy_attr_table(pm8001_ha);
1469 
1470 	/* update main config table ,inbound table and outbound table */
1471 	update_main_config_table(pm8001_ha);
1472 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++)
1473 		update_inbnd_queue_table(pm8001_ha, i);
1474 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++)
1475 		update_outbnd_queue_table(pm8001_ha, i);
1476 
1477 	/* notify firmware update finished and check initialization status */
1478 	if (0 == mpi_init_check(pm8001_ha)) {
1479 		PM8001_INIT_DBG(pm8001_ha,
1480 			pm8001_printk("MPI initialize successful!\n"));
1481 	} else
1482 		return -EBUSY;
1483 
1484 	/* send SAS protocol timer configuration page to FW */
1485 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1486 
1487 	/* Check for encryption */
1488 	if (pm8001_ha->chip->encrypt) {
1489 		PM8001_INIT_DBG(pm8001_ha,
1490 			pm8001_printk("Checking for encryption\n"));
1491 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1492 		if (ret == -1) {
1493 			PM8001_INIT_DBG(pm8001_ha,
1494 				pm8001_printk("Encryption error !!\n"));
1495 			if (pm8001_ha->encrypt_info.status == 0x81) {
1496 				PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1497 					"Encryption enabled with error."
1498 					"Saving encryption key to flash\n"));
1499 				pm80xx_encrypt_update(pm8001_ha);
1500 			}
1501 		}
1502 	}
1503 	return 0;
1504 }
1505 
1506 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1507 {
1508 	u32 max_wait_count;
1509 	u32 value;
1510 	u32 gst_len_mpistate;
1511 	init_pci_device_addresses(pm8001_ha);
1512 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1513 	table is stop */
1514 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1515 
1516 	/* wait until Inbound DoorBell Clear Register toggled */
1517 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1518 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
1519 	} else {
1520 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1521 	}
1522 	do {
1523 		udelay(1);
1524 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1525 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1526 	} while ((value != 0) && (--max_wait_count));
1527 
1528 	if (!max_wait_count) {
1529 		PM8001_FAIL_DBG(pm8001_ha,
1530 			pm8001_printk("TIMEOUT:IBDB value/=%x\n", value));
1531 		return -1;
1532 	}
1533 
1534 	/* check the MPI-State for termination in progress */
1535 	/* wait until Inbound DoorBell Clear Register toggled */
1536 	max_wait_count = 2 * 1000 * 1000;	/* 2 sec for spcv/ve */
1537 	do {
1538 		udelay(1);
1539 		gst_len_mpistate =
1540 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1541 			GST_GSTLEN_MPIS_OFFSET);
1542 		if (GST_MPI_STATE_UNINIT ==
1543 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1544 			break;
1545 	} while (--max_wait_count);
1546 	if (!max_wait_count) {
1547 		PM8001_FAIL_DBG(pm8001_ha,
1548 			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
1549 				gst_len_mpistate & GST_MPI_STATE_MASK));
1550 		return -1;
1551 	}
1552 
1553 	return 0;
1554 }
1555 
1556 /**
1557  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
1558  * the FW register status to the originated status.
1559  * @pm8001_ha: our hba card information
1560  */
1561 
1562 static int
1563 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1564 {
1565 	u32 regval;
1566 	u32 bootloader_state;
1567 	u32 ibutton0, ibutton1;
1568 
1569 	/* Process MPI table uninitialization only if FW is ready */
1570 	if (!pm8001_ha->controller_fatal_error) {
1571 		/* Check if MPI is in ready state to reset */
1572 		if (mpi_uninit_check(pm8001_ha) != 0) {
1573 			u32 r0 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
1574 			u32 r1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1575 			u32 r2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1576 			u32 r3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
1577 			PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1578 				"MPI state is not ready scratch: %x:%x:%x:%x\n",
1579 				r0, r1, r2, r3));
1580 			/* if things aren't ready but the bootloader is ok then
1581 			 * try the reset anyway.
1582 			 */
1583 			if (r1 & SCRATCH_PAD1_BOOTSTATE_MASK)
1584 				return -1;
1585 		}
1586 	}
1587 	/* checked for reset register normal state; 0x0 */
1588 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1589 	PM8001_INIT_DBG(pm8001_ha,
1590 		pm8001_printk("reset register before write : 0x%x\n", regval));
1591 
1592 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1593 	msleep(500);
1594 
1595 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1596 	PM8001_INIT_DBG(pm8001_ha,
1597 	pm8001_printk("reset register after write 0x%x\n", regval));
1598 
1599 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1600 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1601 		PM8001_MSG_DBG(pm8001_ha,
1602 			pm8001_printk(" soft reset successful [regval: 0x%x]\n",
1603 					regval));
1604 	} else {
1605 		PM8001_MSG_DBG(pm8001_ha,
1606 			pm8001_printk(" soft reset failed [regval: 0x%x]\n",
1607 					regval));
1608 
1609 		/* check bootloader is successfully executed or in HDA mode */
1610 		bootloader_state =
1611 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1612 			SCRATCH_PAD1_BOOTSTATE_MASK;
1613 
1614 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1615 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1616 				"Bootloader state - HDA mode SEEPROM\n"));
1617 		} else if (bootloader_state ==
1618 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1619 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1620 				"Bootloader state - HDA mode Bootstrap Pin\n"));
1621 		} else if (bootloader_state ==
1622 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1623 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1624 				"Bootloader state - HDA mode soft reset\n"));
1625 		} else if (bootloader_state ==
1626 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1627 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1628 				"Bootloader state-HDA mode critical error\n"));
1629 		}
1630 		return -EBUSY;
1631 	}
1632 
1633 	/* check the firmware status after reset */
1634 	if (-1 == check_fw_ready(pm8001_ha)) {
1635 		PM8001_FAIL_DBG(pm8001_ha,
1636 			pm8001_printk("Firmware is not ready!\n"));
1637 		/* check iButton feature support for motherboard controller */
1638 		if (pm8001_ha->pdev->subsystem_vendor !=
1639 			PCI_VENDOR_ID_ADAPTEC2 &&
1640 			pm8001_ha->pdev->subsystem_vendor !=
1641 			PCI_VENDOR_ID_ATTO &&
1642 			pm8001_ha->pdev->subsystem_vendor != 0) {
1643 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1644 					MSGU_HOST_SCRATCH_PAD_6);
1645 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1646 					MSGU_HOST_SCRATCH_PAD_7);
1647 			if (!ibutton0 && !ibutton1) {
1648 				PM8001_FAIL_DBG(pm8001_ha,
1649 					pm8001_printk("iButton Feature is"
1650 					" not Available!!!\n"));
1651 				return -EBUSY;
1652 			}
1653 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1654 				PM8001_FAIL_DBG(pm8001_ha,
1655 					pm8001_printk("CRC Check for iButton"
1656 					" Feature Failed!!!\n"));
1657 				return -EBUSY;
1658 			}
1659 		}
1660 	}
1661 	PM8001_INIT_DBG(pm8001_ha,
1662 		pm8001_printk("SPCv soft reset Complete\n"));
1663 	return 0;
1664 }
1665 
1666 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1667 {
1668 	u32 i;
1669 
1670 	PM8001_INIT_DBG(pm8001_ha,
1671 		pm8001_printk("chip reset start\n"));
1672 
1673 	/* do SPCv chip reset. */
1674 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1675 	PM8001_INIT_DBG(pm8001_ha,
1676 		pm8001_printk("SPC soft reset Complete\n"));
1677 
1678 	/* Check this ..whether delay is required or no */
1679 	/* delay 10 usec */
1680 	udelay(10);
1681 
1682 	/* wait for 20 msec until the firmware gets reloaded */
1683 	i = 20;
1684 	do {
1685 		mdelay(1);
1686 	} while ((--i) != 0);
1687 
1688 	PM8001_INIT_DBG(pm8001_ha,
1689 		pm8001_printk("chip reset finished\n"));
1690 }
1691 
1692 /**
1693  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1694  * @pm8001_ha: our hba card information
1695  */
1696 static void
1697 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1698 {
1699 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1700 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1701 }
1702 
1703 /**
1704  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1705  * @pm8001_ha: our hba card information
1706  */
1707 static void
1708 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1709 {
1710 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1711 }
1712 
1713 /**
1714  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1715  * @pm8001_ha: our hba card information
1716  * @vec: interrupt number to enable
1717  */
1718 static void
1719 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1720 {
1721 #ifdef PM8001_USE_MSIX
1722 	u32 mask;
1723 	mask = (u32)(1 << vec);
1724 
1725 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1726 	return;
1727 #endif
1728 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1729 
1730 }
1731 
1732 /**
1733  * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1734  * @pm8001_ha: our hba card information
1735  * @vec: interrupt number to disable
1736  */
1737 static void
1738 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1739 {
1740 #ifdef PM8001_USE_MSIX
1741 	u32 mask;
1742 	if (vec == 0xFF)
1743 		mask = 0xFFFFFFFF;
1744 	else
1745 		mask = (u32)(1 << vec);
1746 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1747 	return;
1748 #endif
1749 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1750 }
1751 
1752 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1753 		struct pm8001_device *pm8001_ha_dev)
1754 {
1755 	int res;
1756 	u32 ccb_tag;
1757 	struct pm8001_ccb_info *ccb;
1758 	struct sas_task *task = NULL;
1759 	struct task_abort_req task_abort;
1760 	struct inbound_queue_table *circularQ;
1761 	u32 opc = OPC_INB_SATA_ABORT;
1762 	int ret;
1763 
1764 	if (!pm8001_ha_dev) {
1765 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1766 		return;
1767 	}
1768 
1769 	task = sas_alloc_slow_task(GFP_ATOMIC);
1770 
1771 	if (!task) {
1772 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1773 						"allocate task\n"));
1774 		return;
1775 	}
1776 
1777 	task->task_done = pm8001_task_done;
1778 
1779 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1780 	if (res) {
1781 		sas_free_task(task);
1782 		return;
1783 	}
1784 
1785 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1786 	ccb->device = pm8001_ha_dev;
1787 	ccb->ccb_tag = ccb_tag;
1788 	ccb->task = task;
1789 
1790 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1791 
1792 	memset(&task_abort, 0, sizeof(task_abort));
1793 	task_abort.abort_all = cpu_to_le32(1);
1794 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1795 	task_abort.tag = cpu_to_le32(ccb_tag);
1796 
1797 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
1798 			sizeof(task_abort), 0);
1799 	PM8001_FAIL_DBG(pm8001_ha,
1800 		pm8001_printk("Executing abort task end\n"));
1801 	if (ret) {
1802 		sas_free_task(task);
1803 		pm8001_tag_free(pm8001_ha, ccb_tag);
1804 	}
1805 }
1806 
1807 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1808 		struct pm8001_device *pm8001_ha_dev)
1809 {
1810 	struct sata_start_req sata_cmd;
1811 	int res;
1812 	u32 ccb_tag;
1813 	struct pm8001_ccb_info *ccb;
1814 	struct sas_task *task = NULL;
1815 	struct host_to_dev_fis fis;
1816 	struct domain_device *dev;
1817 	struct inbound_queue_table *circularQ;
1818 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1819 
1820 	task = sas_alloc_slow_task(GFP_ATOMIC);
1821 
1822 	if (!task) {
1823 		PM8001_FAIL_DBG(pm8001_ha,
1824 			pm8001_printk("cannot allocate task !!!\n"));
1825 		return;
1826 	}
1827 	task->task_done = pm8001_task_done;
1828 
1829 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1830 	if (res) {
1831 		sas_free_task(task);
1832 		PM8001_FAIL_DBG(pm8001_ha,
1833 			pm8001_printk("cannot allocate tag !!!\n"));
1834 		return;
1835 	}
1836 
1837 	/* allocate domain device by ourselves as libsas
1838 	 * is not going to provide any
1839 	*/
1840 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1841 	if (!dev) {
1842 		sas_free_task(task);
1843 		pm8001_tag_free(pm8001_ha, ccb_tag);
1844 		PM8001_FAIL_DBG(pm8001_ha,
1845 			pm8001_printk("Domain device cannot be allocated\n"));
1846 		return;
1847 	}
1848 
1849 	task->dev = dev;
1850 	task->dev->lldd_dev = pm8001_ha_dev;
1851 
1852 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1853 	ccb->device = pm8001_ha_dev;
1854 	ccb->ccb_tag = ccb_tag;
1855 	ccb->task = task;
1856 	ccb->n_elem = 0;
1857 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1858 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1859 
1860 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1861 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1862 
1863 	/* construct read log FIS */
1864 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1865 	fis.fis_type = 0x27;
1866 	fis.flags = 0x80;
1867 	fis.command = ATA_CMD_READ_LOG_EXT;
1868 	fis.lbal = 0x10;
1869 	fis.sector_count = 0x1;
1870 
1871 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1872 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1873 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1874 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1875 
1876 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd,
1877 			sizeof(sata_cmd), 0);
1878 	PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Executing read log end\n"));
1879 	if (res) {
1880 		sas_free_task(task);
1881 		pm8001_tag_free(pm8001_ha, ccb_tag);
1882 		kfree(dev);
1883 	}
1884 }
1885 
1886 /**
1887  * mpi_ssp_completion- process the event that FW response to the SSP request.
1888  * @pm8001_ha: our hba card information
1889  * @piomb: the message contents of this outbound message.
1890  *
1891  * When FW has completed a ssp request for example a IO request, after it has
1892  * filled the SG data with the data, it will trigger this event represent
1893  * that he has finished the job,please check the coresponding buffer.
1894  * So we will tell the caller who maybe waiting the result to tell upper layer
1895  * that the task has been finished.
1896  */
1897 static void
1898 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1899 {
1900 	struct sas_task *t;
1901 	struct pm8001_ccb_info *ccb;
1902 	unsigned long flags;
1903 	u32 status;
1904 	u32 param;
1905 	u32 tag;
1906 	struct ssp_completion_resp *psspPayload;
1907 	struct task_status_struct *ts;
1908 	struct ssp_response_iu *iu;
1909 	struct pm8001_device *pm8001_dev;
1910 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1911 	status = le32_to_cpu(psspPayload->status);
1912 	tag = le32_to_cpu(psspPayload->tag);
1913 	ccb = &pm8001_ha->ccb_info[tag];
1914 	if ((status == IO_ABORTED) && ccb->open_retry) {
1915 		/* Being completed by another */
1916 		ccb->open_retry = 0;
1917 		return;
1918 	}
1919 	pm8001_dev = ccb->device;
1920 	param = le32_to_cpu(psspPayload->param);
1921 	t = ccb->task;
1922 
1923 	if (status && status != IO_UNDERFLOW)
1924 		PM8001_FAIL_DBG(pm8001_ha,
1925 			pm8001_printk("sas IO status 0x%x\n", status));
1926 	if (unlikely(!t || !t->lldd_task || !t->dev))
1927 		return;
1928 	ts = &t->task_status;
1929 
1930 	PM8001_DEV_DBG(pm8001_ha, pm8001_printk(
1931 		"tag::0x%x, status::0x%x task::0x%p\n", tag, status, t));
1932 
1933 	/* Print sas address of IO failed device */
1934 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1935 		(status != IO_UNDERFLOW))
1936 		PM8001_FAIL_DBG(pm8001_ha,
1937 			pm8001_printk("SAS Address of IO Failure Drive"
1938 			":%016llx", SAS_ADDR(t->dev->sas_addr)));
1939 
1940 	switch (status) {
1941 	case IO_SUCCESS:
1942 		PM8001_IO_DBG(pm8001_ha,
1943 			pm8001_printk("IO_SUCCESS ,param = 0x%x\n",
1944 				param));
1945 		if (param == 0) {
1946 			ts->resp = SAS_TASK_COMPLETE;
1947 			ts->stat = SAM_STAT_GOOD;
1948 		} else {
1949 			ts->resp = SAS_TASK_COMPLETE;
1950 			ts->stat = SAS_PROTO_RESPONSE;
1951 			ts->residual = param;
1952 			iu = &psspPayload->ssp_resp_iu;
1953 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1954 		}
1955 		if (pm8001_dev)
1956 			pm8001_dev->running_req--;
1957 		break;
1958 	case IO_ABORTED:
1959 		PM8001_IO_DBG(pm8001_ha,
1960 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1961 		ts->resp = SAS_TASK_COMPLETE;
1962 		ts->stat = SAS_ABORTED_TASK;
1963 		break;
1964 	case IO_UNDERFLOW:
1965 		/* SSP Completion with error */
1966 		PM8001_IO_DBG(pm8001_ha,
1967 			pm8001_printk("IO_UNDERFLOW ,param = 0x%x\n",
1968 				param));
1969 		ts->resp = SAS_TASK_COMPLETE;
1970 		ts->stat = SAS_DATA_UNDERRUN;
1971 		ts->residual = param;
1972 		if (pm8001_dev)
1973 			pm8001_dev->running_req--;
1974 		break;
1975 	case IO_NO_DEVICE:
1976 		PM8001_IO_DBG(pm8001_ha,
1977 			pm8001_printk("IO_NO_DEVICE\n"));
1978 		ts->resp = SAS_TASK_UNDELIVERED;
1979 		ts->stat = SAS_PHY_DOWN;
1980 		break;
1981 	case IO_XFER_ERROR_BREAK:
1982 		PM8001_IO_DBG(pm8001_ha,
1983 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1984 		ts->resp = SAS_TASK_COMPLETE;
1985 		ts->stat = SAS_OPEN_REJECT;
1986 		/* Force the midlayer to retry */
1987 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1988 		break;
1989 	case IO_XFER_ERROR_PHY_NOT_READY:
1990 		PM8001_IO_DBG(pm8001_ha,
1991 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1992 		ts->resp = SAS_TASK_COMPLETE;
1993 		ts->stat = SAS_OPEN_REJECT;
1994 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1995 		break;
1996 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
1997 		PM8001_IO_DBG(pm8001_ha,
1998 			pm8001_printk("IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n"));
1999 		ts->resp = SAS_TASK_COMPLETE;
2000 		ts->stat = SAS_OPEN_REJECT;
2001 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2002 		break;
2003 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2004 		PM8001_IO_DBG(pm8001_ha,
2005 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2006 		ts->resp = SAS_TASK_COMPLETE;
2007 		ts->stat = SAS_OPEN_REJECT;
2008 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2009 		break;
2010 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2011 		PM8001_IO_DBG(pm8001_ha,
2012 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2013 		ts->resp = SAS_TASK_COMPLETE;
2014 		ts->stat = SAS_OPEN_REJECT;
2015 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2016 		break;
2017 	case IO_OPEN_CNX_ERROR_BREAK:
2018 		PM8001_IO_DBG(pm8001_ha,
2019 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2020 		ts->resp = SAS_TASK_COMPLETE;
2021 		ts->stat = SAS_OPEN_REJECT;
2022 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2023 		break;
2024 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2025 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2026 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2027 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2028 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2029 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2030 		PM8001_IO_DBG(pm8001_ha,
2031 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2032 		ts->resp = SAS_TASK_COMPLETE;
2033 		ts->stat = SAS_OPEN_REJECT;
2034 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2035 		if (!t->uldd_task)
2036 			pm8001_handle_event(pm8001_ha,
2037 				pm8001_dev,
2038 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2039 		break;
2040 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2041 		PM8001_IO_DBG(pm8001_ha,
2042 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2043 		ts->resp = SAS_TASK_COMPLETE;
2044 		ts->stat = SAS_OPEN_REJECT;
2045 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2046 		break;
2047 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2048 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2049 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2050 		ts->resp = SAS_TASK_COMPLETE;
2051 		ts->stat = SAS_OPEN_REJECT;
2052 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2053 		break;
2054 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2055 		PM8001_IO_DBG(pm8001_ha,
2056 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2057 		ts->resp = SAS_TASK_UNDELIVERED;
2058 		ts->stat = SAS_OPEN_REJECT;
2059 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2060 		break;
2061 	case IO_XFER_ERROR_NAK_RECEIVED:
2062 		PM8001_IO_DBG(pm8001_ha,
2063 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2064 		ts->resp = SAS_TASK_COMPLETE;
2065 		ts->stat = SAS_OPEN_REJECT;
2066 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2067 		break;
2068 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2069 		PM8001_IO_DBG(pm8001_ha,
2070 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2071 		ts->resp = SAS_TASK_COMPLETE;
2072 		ts->stat = SAS_NAK_R_ERR;
2073 		break;
2074 	case IO_XFER_ERROR_DMA:
2075 		PM8001_IO_DBG(pm8001_ha,
2076 		pm8001_printk("IO_XFER_ERROR_DMA\n"));
2077 		ts->resp = SAS_TASK_COMPLETE;
2078 		ts->stat = SAS_OPEN_REJECT;
2079 		break;
2080 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2081 		PM8001_IO_DBG(pm8001_ha,
2082 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2083 		ts->resp = SAS_TASK_COMPLETE;
2084 		ts->stat = SAS_OPEN_REJECT;
2085 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2086 		break;
2087 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2088 		PM8001_IO_DBG(pm8001_ha,
2089 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2090 		ts->resp = SAS_TASK_COMPLETE;
2091 		ts->stat = SAS_OPEN_REJECT;
2092 		break;
2093 	case IO_PORT_IN_RESET:
2094 		PM8001_IO_DBG(pm8001_ha,
2095 			pm8001_printk("IO_PORT_IN_RESET\n"));
2096 		ts->resp = SAS_TASK_COMPLETE;
2097 		ts->stat = SAS_OPEN_REJECT;
2098 		break;
2099 	case IO_DS_NON_OPERATIONAL:
2100 		PM8001_IO_DBG(pm8001_ha,
2101 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2102 		ts->resp = SAS_TASK_COMPLETE;
2103 		ts->stat = SAS_OPEN_REJECT;
2104 		if (!t->uldd_task)
2105 			pm8001_handle_event(pm8001_ha,
2106 				pm8001_dev,
2107 				IO_DS_NON_OPERATIONAL);
2108 		break;
2109 	case IO_DS_IN_RECOVERY:
2110 		PM8001_IO_DBG(pm8001_ha,
2111 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2112 		ts->resp = SAS_TASK_COMPLETE;
2113 		ts->stat = SAS_OPEN_REJECT;
2114 		break;
2115 	case IO_TM_TAG_NOT_FOUND:
2116 		PM8001_IO_DBG(pm8001_ha,
2117 			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
2118 		ts->resp = SAS_TASK_COMPLETE;
2119 		ts->stat = SAS_OPEN_REJECT;
2120 		break;
2121 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2122 		PM8001_IO_DBG(pm8001_ha,
2123 			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
2124 		ts->resp = SAS_TASK_COMPLETE;
2125 		ts->stat = SAS_OPEN_REJECT;
2126 		break;
2127 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2128 		PM8001_IO_DBG(pm8001_ha,
2129 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2130 		ts->resp = SAS_TASK_COMPLETE;
2131 		ts->stat = SAS_OPEN_REJECT;
2132 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2133 		break;
2134 	default:
2135 		PM8001_DEVIO_DBG(pm8001_ha,
2136 			pm8001_printk("Unknown status 0x%x\n", status));
2137 		/* not allowed case. Therefore, return failed status */
2138 		ts->resp = SAS_TASK_COMPLETE;
2139 		ts->stat = SAS_OPEN_REJECT;
2140 		break;
2141 	}
2142 	PM8001_IO_DBG(pm8001_ha,
2143 		pm8001_printk("scsi_status = 0x%x\n ",
2144 		psspPayload->ssp_resp_iu.status));
2145 	spin_lock_irqsave(&t->task_state_lock, flags);
2146 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2147 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2148 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2149 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2150 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2151 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
2152 			"task 0x%p done with io_status 0x%x resp 0x%x "
2153 			"stat 0x%x but aborted by upper layer!\n",
2154 			t, status, ts->resp, ts->stat));
2155 		if (t->slow_task)
2156 			complete(&t->slow_task->completion);
2157 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2158 	} else {
2159 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2160 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2161 		mb();/* in order to force CPU ordering */
2162 		t->task_done(t);
2163 	}
2164 }
2165 
2166 /*See the comments for mpi_ssp_completion */
2167 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2168 {
2169 	struct sas_task *t;
2170 	unsigned long flags;
2171 	struct task_status_struct *ts;
2172 	struct pm8001_ccb_info *ccb;
2173 	struct pm8001_device *pm8001_dev;
2174 	struct ssp_event_resp *psspPayload =
2175 		(struct ssp_event_resp *)(piomb + 4);
2176 	u32 event = le32_to_cpu(psspPayload->event);
2177 	u32 tag = le32_to_cpu(psspPayload->tag);
2178 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2179 
2180 	ccb = &pm8001_ha->ccb_info[tag];
2181 	t = ccb->task;
2182 	pm8001_dev = ccb->device;
2183 	if (event)
2184 		PM8001_FAIL_DBG(pm8001_ha,
2185 			pm8001_printk("sas IO status 0x%x\n", event));
2186 	if (unlikely(!t || !t->lldd_task || !t->dev))
2187 		return;
2188 	ts = &t->task_status;
2189 	PM8001_IOERR_DBG(pm8001_ha,
2190 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
2191 				port_id, tag, event));
2192 	switch (event) {
2193 	case IO_OVERFLOW:
2194 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
2195 		ts->resp = SAS_TASK_COMPLETE;
2196 		ts->stat = SAS_DATA_OVERRUN;
2197 		ts->residual = 0;
2198 		if (pm8001_dev)
2199 			pm8001_dev->running_req--;
2200 		break;
2201 	case IO_XFER_ERROR_BREAK:
2202 		PM8001_IO_DBG(pm8001_ha,
2203 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2204 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2205 		return;
2206 	case IO_XFER_ERROR_PHY_NOT_READY:
2207 		PM8001_IO_DBG(pm8001_ha,
2208 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2209 		ts->resp = SAS_TASK_COMPLETE;
2210 		ts->stat = SAS_OPEN_REJECT;
2211 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2212 		break;
2213 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2214 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2215 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2216 		ts->resp = SAS_TASK_COMPLETE;
2217 		ts->stat = SAS_OPEN_REJECT;
2218 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2219 		break;
2220 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2221 		PM8001_IO_DBG(pm8001_ha,
2222 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2223 		ts->resp = SAS_TASK_COMPLETE;
2224 		ts->stat = SAS_OPEN_REJECT;
2225 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2226 		break;
2227 	case IO_OPEN_CNX_ERROR_BREAK:
2228 		PM8001_IO_DBG(pm8001_ha,
2229 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2230 		ts->resp = SAS_TASK_COMPLETE;
2231 		ts->stat = SAS_OPEN_REJECT;
2232 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2233 		break;
2234 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2235 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2236 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2237 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2238 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2239 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2240 		PM8001_IO_DBG(pm8001_ha,
2241 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2242 		ts->resp = SAS_TASK_COMPLETE;
2243 		ts->stat = SAS_OPEN_REJECT;
2244 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2245 		if (!t->uldd_task)
2246 			pm8001_handle_event(pm8001_ha,
2247 				pm8001_dev,
2248 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2249 		break;
2250 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2251 		PM8001_IO_DBG(pm8001_ha,
2252 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2253 		ts->resp = SAS_TASK_COMPLETE;
2254 		ts->stat = SAS_OPEN_REJECT;
2255 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2256 		break;
2257 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2258 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2259 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2260 		ts->resp = SAS_TASK_COMPLETE;
2261 		ts->stat = SAS_OPEN_REJECT;
2262 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2263 		break;
2264 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2265 		PM8001_IO_DBG(pm8001_ha,
2266 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2267 		ts->resp = SAS_TASK_COMPLETE;
2268 		ts->stat = SAS_OPEN_REJECT;
2269 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2270 		break;
2271 	case IO_XFER_ERROR_NAK_RECEIVED:
2272 		PM8001_IO_DBG(pm8001_ha,
2273 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2274 		ts->resp = SAS_TASK_COMPLETE;
2275 		ts->stat = SAS_OPEN_REJECT;
2276 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2277 		break;
2278 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2279 		PM8001_IO_DBG(pm8001_ha,
2280 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2281 		ts->resp = SAS_TASK_COMPLETE;
2282 		ts->stat = SAS_NAK_R_ERR;
2283 		break;
2284 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2285 		PM8001_IO_DBG(pm8001_ha,
2286 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2287 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2288 		return;
2289 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2290 		PM8001_IO_DBG(pm8001_ha,
2291 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2292 		ts->resp = SAS_TASK_COMPLETE;
2293 		ts->stat = SAS_DATA_OVERRUN;
2294 		break;
2295 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2296 		PM8001_IO_DBG(pm8001_ha,
2297 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2298 		ts->resp = SAS_TASK_COMPLETE;
2299 		ts->stat = SAS_DATA_OVERRUN;
2300 		break;
2301 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2302 		PM8001_IO_DBG(pm8001_ha,
2303 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2304 		ts->resp = SAS_TASK_COMPLETE;
2305 		ts->stat = SAS_DATA_OVERRUN;
2306 		break;
2307 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2308 		PM8001_IO_DBG(pm8001_ha,
2309 		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
2310 		ts->resp = SAS_TASK_COMPLETE;
2311 		ts->stat = SAS_DATA_OVERRUN;
2312 		break;
2313 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2314 		PM8001_IO_DBG(pm8001_ha,
2315 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2316 		ts->resp = SAS_TASK_COMPLETE;
2317 		ts->stat = SAS_DATA_OVERRUN;
2318 		break;
2319 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2320 		PM8001_IO_DBG(pm8001_ha,
2321 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2322 		ts->resp = SAS_TASK_COMPLETE;
2323 		ts->stat = SAS_DATA_OVERRUN;
2324 		break;
2325 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2326 		PM8001_IOERR_DBG(pm8001_ha,
2327 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
2328 		/* TBC: used default set values */
2329 		ts->resp = SAS_TASK_COMPLETE;
2330 		ts->stat = SAS_DATA_OVERRUN;
2331 		break;
2332 	case IO_XFER_CMD_FRAME_ISSUED:
2333 		PM8001_IO_DBG(pm8001_ha,
2334 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2335 		return;
2336 	default:
2337 		PM8001_DEVIO_DBG(pm8001_ha,
2338 			pm8001_printk("Unknown status 0x%x\n", event));
2339 		/* not allowed case. Therefore, return failed status */
2340 		ts->resp = SAS_TASK_COMPLETE;
2341 		ts->stat = SAS_DATA_OVERRUN;
2342 		break;
2343 	}
2344 	spin_lock_irqsave(&t->task_state_lock, flags);
2345 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2346 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2347 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2348 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2349 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2350 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
2351 			"task 0x%p done with event 0x%x resp 0x%x "
2352 			"stat 0x%x but aborted by upper layer!\n",
2353 			t, event, ts->resp, ts->stat));
2354 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2355 	} else {
2356 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2357 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2358 		mb();/* in order to force CPU ordering */
2359 		t->task_done(t);
2360 	}
2361 }
2362 
2363 /*See the comments for mpi_ssp_completion */
2364 static void
2365 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2366 {
2367 	struct sas_task *t;
2368 	struct pm8001_ccb_info *ccb;
2369 	u32 param;
2370 	u32 status;
2371 	u32 tag;
2372 	int i, j;
2373 	u8 sata_addr_low[4];
2374 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2375 	u8 sata_addr_hi[4];
2376 	struct sata_completion_resp *psataPayload;
2377 	struct task_status_struct *ts;
2378 	struct ata_task_resp *resp ;
2379 	u32 *sata_resp;
2380 	struct pm8001_device *pm8001_dev;
2381 	unsigned long flags;
2382 
2383 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2384 	status = le32_to_cpu(psataPayload->status);
2385 	tag = le32_to_cpu(psataPayload->tag);
2386 
2387 	if (!tag) {
2388 		PM8001_FAIL_DBG(pm8001_ha,
2389 			pm8001_printk("tag null\n"));
2390 		return;
2391 	}
2392 	ccb = &pm8001_ha->ccb_info[tag];
2393 	param = le32_to_cpu(psataPayload->param);
2394 	if (ccb) {
2395 		t = ccb->task;
2396 		pm8001_dev = ccb->device;
2397 	} else {
2398 		PM8001_FAIL_DBG(pm8001_ha,
2399 			pm8001_printk("ccb null\n"));
2400 		return;
2401 	}
2402 
2403 	if (t) {
2404 		if (t->dev && (t->dev->lldd_dev))
2405 			pm8001_dev = t->dev->lldd_dev;
2406 	} else {
2407 		PM8001_FAIL_DBG(pm8001_ha,
2408 			pm8001_printk("task null\n"));
2409 		return;
2410 	}
2411 
2412 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2413 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2414 		PM8001_FAIL_DBG(pm8001_ha,
2415 			pm8001_printk("task or dev null\n"));
2416 		return;
2417 	}
2418 
2419 	ts = &t->task_status;
2420 	if (!ts) {
2421 		PM8001_FAIL_DBG(pm8001_ha,
2422 			pm8001_printk("ts null\n"));
2423 		return;
2424 	}
2425 
2426 	if (unlikely(status))
2427 		PM8001_IOERR_DBG(pm8001_ha, pm8001_printk(
2428 			"status:0x%x, tag:0x%x, task::0x%p\n",
2429 			status, tag, t));
2430 
2431 	/* Print sas address of IO failed device */
2432 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2433 		(status != IO_UNDERFLOW)) {
2434 		if (!((t->dev->parent) &&
2435 			(dev_is_expander(t->dev->parent->dev_type)))) {
2436 			for (i = 0 , j = 4; i <= 3 && j <= 7; i++ , j++)
2437 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2438 			for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
2439 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2440 			memcpy(&temp_sata_addr_low, sata_addr_low,
2441 				sizeof(sata_addr_low));
2442 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2443 				sizeof(sata_addr_hi));
2444 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2445 						|((temp_sata_addr_hi << 8) &
2446 						0xff0000) |
2447 						((temp_sata_addr_hi >> 8)
2448 						& 0xff00) |
2449 						((temp_sata_addr_hi << 24) &
2450 						0xff000000));
2451 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2452 						& 0xff) |
2453 						((temp_sata_addr_low << 8)
2454 						& 0xff0000) |
2455 						((temp_sata_addr_low >> 8)
2456 						& 0xff00) |
2457 						((temp_sata_addr_low << 24)
2458 						& 0xff000000)) +
2459 						pm8001_dev->attached_phy +
2460 						0x10);
2461 			PM8001_FAIL_DBG(pm8001_ha,
2462 				pm8001_printk("SAS Address of IO Failure Drive:"
2463 				"%08x%08x", temp_sata_addr_hi,
2464 					temp_sata_addr_low));
2465 
2466 		} else {
2467 			PM8001_FAIL_DBG(pm8001_ha,
2468 				pm8001_printk("SAS Address of IO Failure Drive:"
2469 				"%016llx", SAS_ADDR(t->dev->sas_addr)));
2470 		}
2471 	}
2472 	switch (status) {
2473 	case IO_SUCCESS:
2474 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2475 		if (param == 0) {
2476 			ts->resp = SAS_TASK_COMPLETE;
2477 			ts->stat = SAM_STAT_GOOD;
2478 			/* check if response is for SEND READ LOG */
2479 			if (pm8001_dev &&
2480 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2481 				/* set new bit for abort_all */
2482 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2483 				/* clear bit for read log */
2484 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2485 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2486 				/* Free the tag */
2487 				pm8001_tag_free(pm8001_ha, tag);
2488 				sas_free_task(t);
2489 				return;
2490 			}
2491 		} else {
2492 			u8 len;
2493 			ts->resp = SAS_TASK_COMPLETE;
2494 			ts->stat = SAS_PROTO_RESPONSE;
2495 			ts->residual = param;
2496 			PM8001_IO_DBG(pm8001_ha,
2497 				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2498 				param));
2499 			sata_resp = &psataPayload->sata_resp[0];
2500 			resp = (struct ata_task_resp *)ts->buf;
2501 			if (t->ata_task.dma_xfer == 0 &&
2502 			    t->data_dir == DMA_FROM_DEVICE) {
2503 				len = sizeof(struct pio_setup_fis);
2504 				PM8001_IO_DBG(pm8001_ha,
2505 				pm8001_printk("PIO read len = %d\n", len));
2506 			} else if (t->ata_task.use_ncq) {
2507 				len = sizeof(struct set_dev_bits_fis);
2508 				PM8001_IO_DBG(pm8001_ha,
2509 					pm8001_printk("FPDMA len = %d\n", len));
2510 			} else {
2511 				len = sizeof(struct dev_to_host_fis);
2512 				PM8001_IO_DBG(pm8001_ha,
2513 				pm8001_printk("other len = %d\n", len));
2514 			}
2515 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2516 				resp->frame_len = len;
2517 				memcpy(&resp->ending_fis[0], sata_resp, len);
2518 				ts->buf_valid_size = sizeof(*resp);
2519 			} else
2520 				PM8001_IO_DBG(pm8001_ha,
2521 					pm8001_printk("response too large\n"));
2522 		}
2523 		if (pm8001_dev)
2524 			pm8001_dev->running_req--;
2525 		break;
2526 	case IO_ABORTED:
2527 		PM8001_IO_DBG(pm8001_ha,
2528 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
2529 		ts->resp = SAS_TASK_COMPLETE;
2530 		ts->stat = SAS_ABORTED_TASK;
2531 		if (pm8001_dev)
2532 			pm8001_dev->running_req--;
2533 		break;
2534 		/* following cases are to do cases */
2535 	case IO_UNDERFLOW:
2536 		/* SATA Completion with error */
2537 		PM8001_IO_DBG(pm8001_ha,
2538 			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2539 		ts->resp = SAS_TASK_COMPLETE;
2540 		ts->stat = SAS_DATA_UNDERRUN;
2541 		ts->residual = param;
2542 		if (pm8001_dev)
2543 			pm8001_dev->running_req--;
2544 		break;
2545 	case IO_NO_DEVICE:
2546 		PM8001_IO_DBG(pm8001_ha,
2547 			pm8001_printk("IO_NO_DEVICE\n"));
2548 		ts->resp = SAS_TASK_UNDELIVERED;
2549 		ts->stat = SAS_PHY_DOWN;
2550 		break;
2551 	case IO_XFER_ERROR_BREAK:
2552 		PM8001_IO_DBG(pm8001_ha,
2553 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2554 		ts->resp = SAS_TASK_COMPLETE;
2555 		ts->stat = SAS_INTERRUPTED;
2556 		break;
2557 	case IO_XFER_ERROR_PHY_NOT_READY:
2558 		PM8001_IO_DBG(pm8001_ha,
2559 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2560 		ts->resp = SAS_TASK_COMPLETE;
2561 		ts->stat = SAS_OPEN_REJECT;
2562 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2563 		break;
2564 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2565 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2566 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2567 		ts->resp = SAS_TASK_COMPLETE;
2568 		ts->stat = SAS_OPEN_REJECT;
2569 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2570 		break;
2571 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2572 		PM8001_IO_DBG(pm8001_ha,
2573 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2574 		ts->resp = SAS_TASK_COMPLETE;
2575 		ts->stat = SAS_OPEN_REJECT;
2576 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2577 		break;
2578 	case IO_OPEN_CNX_ERROR_BREAK:
2579 		PM8001_IO_DBG(pm8001_ha,
2580 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2581 		ts->resp = SAS_TASK_COMPLETE;
2582 		ts->stat = SAS_OPEN_REJECT;
2583 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2584 		break;
2585 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2586 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2587 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2588 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2589 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2590 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2591 		PM8001_IO_DBG(pm8001_ha,
2592 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2593 		ts->resp = SAS_TASK_COMPLETE;
2594 		ts->stat = SAS_DEV_NO_RESPONSE;
2595 		if (!t->uldd_task) {
2596 			pm8001_handle_event(pm8001_ha,
2597 				pm8001_dev,
2598 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2599 			ts->resp = SAS_TASK_UNDELIVERED;
2600 			ts->stat = SAS_QUEUE_FULL;
2601 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2602 			return;
2603 		}
2604 		break;
2605 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2606 		PM8001_IO_DBG(pm8001_ha,
2607 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2608 		ts->resp = SAS_TASK_UNDELIVERED;
2609 		ts->stat = SAS_OPEN_REJECT;
2610 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2611 		if (!t->uldd_task) {
2612 			pm8001_handle_event(pm8001_ha,
2613 				pm8001_dev,
2614 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2615 			ts->resp = SAS_TASK_UNDELIVERED;
2616 			ts->stat = SAS_QUEUE_FULL;
2617 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2618 			return;
2619 		}
2620 		break;
2621 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2622 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2623 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2624 		ts->resp = SAS_TASK_COMPLETE;
2625 		ts->stat = SAS_OPEN_REJECT;
2626 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2627 		break;
2628 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2629 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2630 			"IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n"));
2631 		ts->resp = SAS_TASK_COMPLETE;
2632 		ts->stat = SAS_DEV_NO_RESPONSE;
2633 		if (!t->uldd_task) {
2634 			pm8001_handle_event(pm8001_ha,
2635 				pm8001_dev,
2636 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2637 			ts->resp = SAS_TASK_UNDELIVERED;
2638 			ts->stat = SAS_QUEUE_FULL;
2639 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2640 			return;
2641 		}
2642 		break;
2643 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2644 		PM8001_IO_DBG(pm8001_ha,
2645 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2646 		ts->resp = SAS_TASK_COMPLETE;
2647 		ts->stat = SAS_OPEN_REJECT;
2648 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2649 		break;
2650 	case IO_XFER_ERROR_NAK_RECEIVED:
2651 		PM8001_IO_DBG(pm8001_ha,
2652 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2653 		ts->resp = SAS_TASK_COMPLETE;
2654 		ts->stat = SAS_NAK_R_ERR;
2655 		break;
2656 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2657 		PM8001_IO_DBG(pm8001_ha,
2658 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2659 		ts->resp = SAS_TASK_COMPLETE;
2660 		ts->stat = SAS_NAK_R_ERR;
2661 		break;
2662 	case IO_XFER_ERROR_DMA:
2663 		PM8001_IO_DBG(pm8001_ha,
2664 			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2665 		ts->resp = SAS_TASK_COMPLETE;
2666 		ts->stat = SAS_ABORTED_TASK;
2667 		break;
2668 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2669 		PM8001_IO_DBG(pm8001_ha,
2670 			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2671 		ts->resp = SAS_TASK_UNDELIVERED;
2672 		ts->stat = SAS_DEV_NO_RESPONSE;
2673 		break;
2674 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2675 		PM8001_IO_DBG(pm8001_ha,
2676 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2677 		ts->resp = SAS_TASK_COMPLETE;
2678 		ts->stat = SAS_DATA_UNDERRUN;
2679 		break;
2680 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2681 		PM8001_IO_DBG(pm8001_ha,
2682 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2683 		ts->resp = SAS_TASK_COMPLETE;
2684 		ts->stat = SAS_OPEN_TO;
2685 		break;
2686 	case IO_PORT_IN_RESET:
2687 		PM8001_IO_DBG(pm8001_ha,
2688 			pm8001_printk("IO_PORT_IN_RESET\n"));
2689 		ts->resp = SAS_TASK_COMPLETE;
2690 		ts->stat = SAS_DEV_NO_RESPONSE;
2691 		break;
2692 	case IO_DS_NON_OPERATIONAL:
2693 		PM8001_IO_DBG(pm8001_ha,
2694 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2695 		ts->resp = SAS_TASK_COMPLETE;
2696 		ts->stat = SAS_DEV_NO_RESPONSE;
2697 		if (!t->uldd_task) {
2698 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2699 					IO_DS_NON_OPERATIONAL);
2700 			ts->resp = SAS_TASK_UNDELIVERED;
2701 			ts->stat = SAS_QUEUE_FULL;
2702 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2703 			return;
2704 		}
2705 		break;
2706 	case IO_DS_IN_RECOVERY:
2707 		PM8001_IO_DBG(pm8001_ha,
2708 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2709 		ts->resp = SAS_TASK_COMPLETE;
2710 		ts->stat = SAS_DEV_NO_RESPONSE;
2711 		break;
2712 	case IO_DS_IN_ERROR:
2713 		PM8001_IO_DBG(pm8001_ha,
2714 			pm8001_printk("IO_DS_IN_ERROR\n"));
2715 		ts->resp = SAS_TASK_COMPLETE;
2716 		ts->stat = SAS_DEV_NO_RESPONSE;
2717 		if (!t->uldd_task) {
2718 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2719 					IO_DS_IN_ERROR);
2720 			ts->resp = SAS_TASK_UNDELIVERED;
2721 			ts->stat = SAS_QUEUE_FULL;
2722 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2723 			return;
2724 		}
2725 		break;
2726 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2727 		PM8001_IO_DBG(pm8001_ha,
2728 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2729 		ts->resp = SAS_TASK_COMPLETE;
2730 		ts->stat = SAS_OPEN_REJECT;
2731 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2732 		break;
2733 	default:
2734 		PM8001_DEVIO_DBG(pm8001_ha,
2735 			pm8001_printk("Unknown status 0x%x\n", status));
2736 		/* not allowed case. Therefore, return failed status */
2737 		ts->resp = SAS_TASK_COMPLETE;
2738 		ts->stat = SAS_DEV_NO_RESPONSE;
2739 		break;
2740 	}
2741 	spin_lock_irqsave(&t->task_state_lock, flags);
2742 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2743 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2744 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2745 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2746 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2747 		PM8001_FAIL_DBG(pm8001_ha,
2748 			pm8001_printk("task 0x%p done with io_status 0x%x"
2749 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2750 			t, status, ts->resp, ts->stat));
2751 		if (t->slow_task)
2752 			complete(&t->slow_task->completion);
2753 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2754 	} else {
2755 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2756 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2757 	}
2758 }
2759 
2760 /*See the comments for mpi_ssp_completion */
2761 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2762 {
2763 	struct sas_task *t;
2764 	struct task_status_struct *ts;
2765 	struct pm8001_ccb_info *ccb;
2766 	struct pm8001_device *pm8001_dev;
2767 	struct sata_event_resp *psataPayload =
2768 		(struct sata_event_resp *)(piomb + 4);
2769 	u32 event = le32_to_cpu(psataPayload->event);
2770 	u32 tag = le32_to_cpu(psataPayload->tag);
2771 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2772 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2773 	unsigned long flags;
2774 
2775 	ccb = &pm8001_ha->ccb_info[tag];
2776 
2777 	if (ccb) {
2778 		t = ccb->task;
2779 		pm8001_dev = ccb->device;
2780 	} else {
2781 		PM8001_FAIL_DBG(pm8001_ha,
2782 			pm8001_printk("No CCB !!!. returning\n"));
2783 		return;
2784 	}
2785 	if (event)
2786 		PM8001_FAIL_DBG(pm8001_ha,
2787 			pm8001_printk("SATA EVENT 0x%x\n", event));
2788 
2789 	/* Check if this is NCQ error */
2790 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2791 		/* find device using device id */
2792 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2793 		/* send read log extension */
2794 		if (pm8001_dev)
2795 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2796 		return;
2797 	}
2798 
2799 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2800 		PM8001_FAIL_DBG(pm8001_ha,
2801 			pm8001_printk("task or dev null\n"));
2802 		return;
2803 	}
2804 
2805 	ts = &t->task_status;
2806 	PM8001_IOERR_DBG(pm8001_ha,
2807 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
2808 				port_id, tag, event));
2809 	switch (event) {
2810 	case IO_OVERFLOW:
2811 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2812 		ts->resp = SAS_TASK_COMPLETE;
2813 		ts->stat = SAS_DATA_OVERRUN;
2814 		ts->residual = 0;
2815 		if (pm8001_dev)
2816 			pm8001_dev->running_req--;
2817 		break;
2818 	case IO_XFER_ERROR_BREAK:
2819 		PM8001_IO_DBG(pm8001_ha,
2820 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2821 		ts->resp = SAS_TASK_COMPLETE;
2822 		ts->stat = SAS_INTERRUPTED;
2823 		break;
2824 	case IO_XFER_ERROR_PHY_NOT_READY:
2825 		PM8001_IO_DBG(pm8001_ha,
2826 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2827 		ts->resp = SAS_TASK_COMPLETE;
2828 		ts->stat = SAS_OPEN_REJECT;
2829 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2830 		break;
2831 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2832 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2833 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2834 		ts->resp = SAS_TASK_COMPLETE;
2835 		ts->stat = SAS_OPEN_REJECT;
2836 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2837 		break;
2838 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2839 		PM8001_IO_DBG(pm8001_ha,
2840 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2841 		ts->resp = SAS_TASK_COMPLETE;
2842 		ts->stat = SAS_OPEN_REJECT;
2843 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2844 		break;
2845 	case IO_OPEN_CNX_ERROR_BREAK:
2846 		PM8001_IO_DBG(pm8001_ha,
2847 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2848 		ts->resp = SAS_TASK_COMPLETE;
2849 		ts->stat = SAS_OPEN_REJECT;
2850 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2851 		break;
2852 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2853 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2854 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2855 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2856 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2857 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2858 		PM8001_FAIL_DBG(pm8001_ha,
2859 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2860 		ts->resp = SAS_TASK_UNDELIVERED;
2861 		ts->stat = SAS_DEV_NO_RESPONSE;
2862 		if (!t->uldd_task) {
2863 			pm8001_handle_event(pm8001_ha,
2864 				pm8001_dev,
2865 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2866 			ts->resp = SAS_TASK_COMPLETE;
2867 			ts->stat = SAS_QUEUE_FULL;
2868 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2869 			return;
2870 		}
2871 		break;
2872 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2873 		PM8001_IO_DBG(pm8001_ha,
2874 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2875 		ts->resp = SAS_TASK_UNDELIVERED;
2876 		ts->stat = SAS_OPEN_REJECT;
2877 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2878 		break;
2879 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2880 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2881 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2882 		ts->resp = SAS_TASK_COMPLETE;
2883 		ts->stat = SAS_OPEN_REJECT;
2884 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2885 		break;
2886 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2887 		PM8001_IO_DBG(pm8001_ha,
2888 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2889 		ts->resp = SAS_TASK_COMPLETE;
2890 		ts->stat = SAS_OPEN_REJECT;
2891 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2892 		break;
2893 	case IO_XFER_ERROR_NAK_RECEIVED:
2894 		PM8001_IO_DBG(pm8001_ha,
2895 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2896 		ts->resp = SAS_TASK_COMPLETE;
2897 		ts->stat = SAS_NAK_R_ERR;
2898 		break;
2899 	case IO_XFER_ERROR_PEER_ABORTED:
2900 		PM8001_IO_DBG(pm8001_ha,
2901 			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2902 		ts->resp = SAS_TASK_COMPLETE;
2903 		ts->stat = SAS_NAK_R_ERR;
2904 		break;
2905 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2906 		PM8001_IO_DBG(pm8001_ha,
2907 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2908 		ts->resp = SAS_TASK_COMPLETE;
2909 		ts->stat = SAS_DATA_UNDERRUN;
2910 		break;
2911 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2912 		PM8001_IO_DBG(pm8001_ha,
2913 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2914 		ts->resp = SAS_TASK_COMPLETE;
2915 		ts->stat = SAS_OPEN_TO;
2916 		break;
2917 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2918 		PM8001_IO_DBG(pm8001_ha,
2919 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2920 		ts->resp = SAS_TASK_COMPLETE;
2921 		ts->stat = SAS_OPEN_TO;
2922 		break;
2923 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2924 		PM8001_IO_DBG(pm8001_ha,
2925 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2926 		ts->resp = SAS_TASK_COMPLETE;
2927 		ts->stat = SAS_OPEN_TO;
2928 		break;
2929 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2930 		PM8001_IO_DBG(pm8001_ha,
2931 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2932 		ts->resp = SAS_TASK_COMPLETE;
2933 		ts->stat = SAS_OPEN_TO;
2934 		break;
2935 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2936 		PM8001_IO_DBG(pm8001_ha,
2937 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2938 		ts->resp = SAS_TASK_COMPLETE;
2939 		ts->stat = SAS_OPEN_TO;
2940 		break;
2941 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2942 		PM8001_IO_DBG(pm8001_ha,
2943 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2944 		ts->resp = SAS_TASK_COMPLETE;
2945 		ts->stat = SAS_OPEN_TO;
2946 		break;
2947 	case IO_XFER_CMD_FRAME_ISSUED:
2948 		PM8001_IO_DBG(pm8001_ha,
2949 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2950 		break;
2951 	case IO_XFER_PIO_SETUP_ERROR:
2952 		PM8001_IO_DBG(pm8001_ha,
2953 			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2954 		ts->resp = SAS_TASK_COMPLETE;
2955 		ts->stat = SAS_OPEN_TO;
2956 		break;
2957 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2958 		PM8001_FAIL_DBG(pm8001_ha,
2959 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
2960 		/* TBC: used default set values */
2961 		ts->resp = SAS_TASK_COMPLETE;
2962 		ts->stat = SAS_OPEN_TO;
2963 		break;
2964 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2965 		PM8001_FAIL_DBG(pm8001_ha,
2966 			pm8001_printk("IO_XFR_DMA_ACTIVATE_TIMEOUT\n"));
2967 		/* TBC: used default set values */
2968 		ts->resp = SAS_TASK_COMPLETE;
2969 		ts->stat = SAS_OPEN_TO;
2970 		break;
2971 	default:
2972 		PM8001_IO_DBG(pm8001_ha,
2973 			pm8001_printk("Unknown status 0x%x\n", event));
2974 		/* not allowed case. Therefore, return failed status */
2975 		ts->resp = SAS_TASK_COMPLETE;
2976 		ts->stat = SAS_OPEN_TO;
2977 		break;
2978 	}
2979 	spin_lock_irqsave(&t->task_state_lock, flags);
2980 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2981 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2982 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2983 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2984 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2985 		PM8001_FAIL_DBG(pm8001_ha,
2986 			pm8001_printk("task 0x%p done with io_status 0x%x"
2987 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2988 			t, event, ts->resp, ts->stat));
2989 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2990 	} else {
2991 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2992 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2993 	}
2994 }
2995 
2996 /*See the comments for mpi_ssp_completion */
2997 static void
2998 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2999 {
3000 	u32 param, i;
3001 	struct sas_task *t;
3002 	struct pm8001_ccb_info *ccb;
3003 	unsigned long flags;
3004 	u32 status;
3005 	u32 tag;
3006 	struct smp_completion_resp *psmpPayload;
3007 	struct task_status_struct *ts;
3008 	struct pm8001_device *pm8001_dev;
3009 	char *pdma_respaddr = NULL;
3010 
3011 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
3012 	status = le32_to_cpu(psmpPayload->status);
3013 	tag = le32_to_cpu(psmpPayload->tag);
3014 
3015 	ccb = &pm8001_ha->ccb_info[tag];
3016 	param = le32_to_cpu(psmpPayload->param);
3017 	t = ccb->task;
3018 	ts = &t->task_status;
3019 	pm8001_dev = ccb->device;
3020 	if (status)
3021 		PM8001_FAIL_DBG(pm8001_ha,
3022 			pm8001_printk("smp IO status 0x%x\n", status));
3023 	if (unlikely(!t || !t->lldd_task || !t->dev))
3024 		return;
3025 
3026 	PM8001_DEV_DBG(pm8001_ha,
3027 		pm8001_printk("tag::0x%x status::0x%x\n", tag, status));
3028 
3029 	switch (status) {
3030 
3031 	case IO_SUCCESS:
3032 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
3033 		ts->resp = SAS_TASK_COMPLETE;
3034 		ts->stat = SAM_STAT_GOOD;
3035 		if (pm8001_dev)
3036 			pm8001_dev->running_req--;
3037 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3038 			PM8001_IO_DBG(pm8001_ha,
3039 				pm8001_printk("DIRECT RESPONSE Length:%d\n",
3040 						param));
3041 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
3042 						((u64)sg_dma_address
3043 						(&t->smp_task.smp_resp))));
3044 			for (i = 0; i < param; i++) {
3045 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
3046 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3047 					"SMP Byte%d DMA data 0x%x psmp 0x%x\n",
3048 					i, *(pdma_respaddr+i),
3049 					psmpPayload->_r_a[i]));
3050 			}
3051 		}
3052 		break;
3053 	case IO_ABORTED:
3054 		PM8001_IO_DBG(pm8001_ha,
3055 			pm8001_printk("IO_ABORTED IOMB\n"));
3056 		ts->resp = SAS_TASK_COMPLETE;
3057 		ts->stat = SAS_ABORTED_TASK;
3058 		if (pm8001_dev)
3059 			pm8001_dev->running_req--;
3060 		break;
3061 	case IO_OVERFLOW:
3062 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
3063 		ts->resp = SAS_TASK_COMPLETE;
3064 		ts->stat = SAS_DATA_OVERRUN;
3065 		ts->residual = 0;
3066 		if (pm8001_dev)
3067 			pm8001_dev->running_req--;
3068 		break;
3069 	case IO_NO_DEVICE:
3070 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
3071 		ts->resp = SAS_TASK_COMPLETE;
3072 		ts->stat = SAS_PHY_DOWN;
3073 		break;
3074 	case IO_ERROR_HW_TIMEOUT:
3075 		PM8001_IO_DBG(pm8001_ha,
3076 			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
3077 		ts->resp = SAS_TASK_COMPLETE;
3078 		ts->stat = SAM_STAT_BUSY;
3079 		break;
3080 	case IO_XFER_ERROR_BREAK:
3081 		PM8001_IO_DBG(pm8001_ha,
3082 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
3083 		ts->resp = SAS_TASK_COMPLETE;
3084 		ts->stat = SAM_STAT_BUSY;
3085 		break;
3086 	case IO_XFER_ERROR_PHY_NOT_READY:
3087 		PM8001_IO_DBG(pm8001_ha,
3088 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
3089 		ts->resp = SAS_TASK_COMPLETE;
3090 		ts->stat = SAM_STAT_BUSY;
3091 		break;
3092 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
3093 		PM8001_IO_DBG(pm8001_ha,
3094 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
3095 		ts->resp = SAS_TASK_COMPLETE;
3096 		ts->stat = SAS_OPEN_REJECT;
3097 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3098 		break;
3099 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
3100 		PM8001_IO_DBG(pm8001_ha,
3101 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
3102 		ts->resp = SAS_TASK_COMPLETE;
3103 		ts->stat = SAS_OPEN_REJECT;
3104 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3105 		break;
3106 	case IO_OPEN_CNX_ERROR_BREAK:
3107 		PM8001_IO_DBG(pm8001_ha,
3108 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
3109 		ts->resp = SAS_TASK_COMPLETE;
3110 		ts->stat = SAS_OPEN_REJECT;
3111 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
3112 		break;
3113 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
3114 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
3115 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
3116 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
3117 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
3118 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
3119 		PM8001_IO_DBG(pm8001_ha,
3120 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
3121 		ts->resp = SAS_TASK_COMPLETE;
3122 		ts->stat = SAS_OPEN_REJECT;
3123 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3124 		pm8001_handle_event(pm8001_ha,
3125 				pm8001_dev,
3126 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3127 		break;
3128 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3129 		PM8001_IO_DBG(pm8001_ha,
3130 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
3131 		ts->resp = SAS_TASK_COMPLETE;
3132 		ts->stat = SAS_OPEN_REJECT;
3133 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3134 		break;
3135 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3136 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(\
3137 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
3138 		ts->resp = SAS_TASK_COMPLETE;
3139 		ts->stat = SAS_OPEN_REJECT;
3140 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3141 		break;
3142 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3143 		PM8001_IO_DBG(pm8001_ha,
3144 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
3145 		ts->resp = SAS_TASK_COMPLETE;
3146 		ts->stat = SAS_OPEN_REJECT;
3147 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3148 		break;
3149 	case IO_XFER_ERROR_RX_FRAME:
3150 		PM8001_IO_DBG(pm8001_ha,
3151 			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
3152 		ts->resp = SAS_TASK_COMPLETE;
3153 		ts->stat = SAS_DEV_NO_RESPONSE;
3154 		break;
3155 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3156 		PM8001_IO_DBG(pm8001_ha,
3157 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
3158 		ts->resp = SAS_TASK_COMPLETE;
3159 		ts->stat = SAS_OPEN_REJECT;
3160 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3161 		break;
3162 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3163 		PM8001_IO_DBG(pm8001_ha,
3164 			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
3165 		ts->resp = SAS_TASK_COMPLETE;
3166 		ts->stat = SAS_QUEUE_FULL;
3167 		break;
3168 	case IO_PORT_IN_RESET:
3169 		PM8001_IO_DBG(pm8001_ha,
3170 			pm8001_printk("IO_PORT_IN_RESET\n"));
3171 		ts->resp = SAS_TASK_COMPLETE;
3172 		ts->stat = SAS_OPEN_REJECT;
3173 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3174 		break;
3175 	case IO_DS_NON_OPERATIONAL:
3176 		PM8001_IO_DBG(pm8001_ha,
3177 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
3178 		ts->resp = SAS_TASK_COMPLETE;
3179 		ts->stat = SAS_DEV_NO_RESPONSE;
3180 		break;
3181 	case IO_DS_IN_RECOVERY:
3182 		PM8001_IO_DBG(pm8001_ha,
3183 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
3184 		ts->resp = SAS_TASK_COMPLETE;
3185 		ts->stat = SAS_OPEN_REJECT;
3186 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3187 		break;
3188 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3189 		PM8001_IO_DBG(pm8001_ha,
3190 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
3191 		ts->resp = SAS_TASK_COMPLETE;
3192 		ts->stat = SAS_OPEN_REJECT;
3193 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3194 		break;
3195 	default:
3196 		PM8001_DEVIO_DBG(pm8001_ha,
3197 			pm8001_printk("Unknown status 0x%x\n", status));
3198 		ts->resp = SAS_TASK_COMPLETE;
3199 		ts->stat = SAS_DEV_NO_RESPONSE;
3200 		/* not allowed case. Therefore, return failed status */
3201 		break;
3202 	}
3203 	spin_lock_irqsave(&t->task_state_lock, flags);
3204 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3205 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3206 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3207 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3208 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3209 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
3210 			"task 0x%p done with io_status 0x%x resp 0x%x"
3211 			"stat 0x%x but aborted by upper layer!\n",
3212 			t, status, ts->resp, ts->stat));
3213 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3214 	} else {
3215 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3216 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3217 		mb();/* in order to force CPU ordering */
3218 		t->task_done(t);
3219 	}
3220 }
3221 
3222 /**
3223  * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3224  * @pm8001_ha: our hba card information
3225  * @Qnum: the outbound queue message number.
3226  * @SEA: source of event to ack
3227  * @port_id: port id.
3228  * @phyId: phy id.
3229  * @param0: parameter 0.
3230  * @param1: parameter 1.
3231  */
3232 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3233 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3234 {
3235 	struct hw_event_ack_req	 payload;
3236 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3237 
3238 	struct inbound_queue_table *circularQ;
3239 
3240 	memset((u8 *)&payload, 0, sizeof(payload));
3241 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3242 	payload.tag = cpu_to_le32(1);
3243 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3244 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
3245 	payload.param0 = cpu_to_le32(param0);
3246 	payload.param1 = cpu_to_le32(param1);
3247 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
3248 			sizeof(payload), 0);
3249 }
3250 
3251 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3252 	u32 phyId, u32 phy_op);
3253 
3254 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
3255 					void *piomb)
3256 {
3257 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
3258 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3259 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3260 	u32 lr_status_evt_portid =
3261 		le32_to_cpu(pPayload->lr_status_evt_portid);
3262 	u8 deviceType = pPayload->sas_identify.dev_type;
3263 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3264 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3265 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3266 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3267 
3268 	if (deviceType == SAS_END_DEVICE) {
3269 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3270 					PHY_NOTIFY_ENABLE_SPINUP);
3271 	}
3272 
3273 	port->wide_port_phymap |= (1U << phy_id);
3274 	pm8001_get_lrate_mode(phy, link_rate);
3275 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3276 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3277 	phy->phy_attached = 1;
3278 }
3279 
3280 /**
3281  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3282  * @pm8001_ha: our hba card information
3283  * @piomb: IO message buffer
3284  */
3285 static void
3286 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3287 {
3288 	struct hw_event_resp *pPayload =
3289 		(struct hw_event_resp *)(piomb + 4);
3290 	u32 lr_status_evt_portid =
3291 		le32_to_cpu(pPayload->lr_status_evt_portid);
3292 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3293 
3294 	u8 link_rate =
3295 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3296 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3297 	u8 phy_id =
3298 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3299 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3300 
3301 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3302 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3303 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3304 	unsigned long flags;
3305 	u8 deviceType = pPayload->sas_identify.dev_type;
3306 	port->port_state = portstate;
3307 	port->wide_port_phymap |= (1U << phy_id);
3308 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3309 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3310 		"portid:%d; phyid:%d; linkrate:%d; "
3311 		"portstate:%x; devicetype:%x\n",
3312 		port_id, phy_id, link_rate, portstate, deviceType));
3313 
3314 	switch (deviceType) {
3315 	case SAS_PHY_UNUSED:
3316 		PM8001_MSG_DBG(pm8001_ha,
3317 			pm8001_printk("device type no device.\n"));
3318 		break;
3319 	case SAS_END_DEVICE:
3320 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
3321 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
3322 			PHY_NOTIFY_ENABLE_SPINUP);
3323 		port->port_attached = 1;
3324 		pm8001_get_lrate_mode(phy, link_rate);
3325 		break;
3326 	case SAS_EDGE_EXPANDER_DEVICE:
3327 		PM8001_MSG_DBG(pm8001_ha,
3328 			pm8001_printk("expander device.\n"));
3329 		port->port_attached = 1;
3330 		pm8001_get_lrate_mode(phy, link_rate);
3331 		break;
3332 	case SAS_FANOUT_EXPANDER_DEVICE:
3333 		PM8001_MSG_DBG(pm8001_ha,
3334 			pm8001_printk("fanout expander device.\n"));
3335 		port->port_attached = 1;
3336 		pm8001_get_lrate_mode(phy, link_rate);
3337 		break;
3338 	default:
3339 		PM8001_DEVIO_DBG(pm8001_ha,
3340 			pm8001_printk("unknown device type(%x)\n", deviceType));
3341 		break;
3342 	}
3343 	phy->phy_type |= PORT_TYPE_SAS;
3344 	phy->identify.device_type = deviceType;
3345 	phy->phy_attached = 1;
3346 	if (phy->identify.device_type == SAS_END_DEVICE)
3347 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3348 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3349 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3350 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3351 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3352 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3353 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3354 		sizeof(struct sas_identify_frame)-4);
3355 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3356 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3357 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3358 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3359 		msleep(200);/*delay a moment to wait disk to spinup*/
3360 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3361 }
3362 
3363 /**
3364  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3365  * @pm8001_ha: our hba card information
3366  * @piomb: IO message buffer
3367  */
3368 static void
3369 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3370 {
3371 	struct hw_event_resp *pPayload =
3372 		(struct hw_event_resp *)(piomb + 4);
3373 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3374 	u32 lr_status_evt_portid =
3375 		le32_to_cpu(pPayload->lr_status_evt_portid);
3376 	u8 link_rate =
3377 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3378 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3379 	u8 phy_id =
3380 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3381 
3382 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3383 
3384 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3385 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3386 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3387 	unsigned long flags;
3388 	PM8001_DEVIO_DBG(pm8001_ha, pm8001_printk(
3389 		"port id %d, phy id %d link_rate %d portstate 0x%x\n",
3390 				port_id, phy_id, link_rate, portstate));
3391 
3392 	port->port_state = portstate;
3393 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3394 	port->port_attached = 1;
3395 	pm8001_get_lrate_mode(phy, link_rate);
3396 	phy->phy_type |= PORT_TYPE_SATA;
3397 	phy->phy_attached = 1;
3398 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3399 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3400 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3401 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3402 		sizeof(struct dev_to_host_fis));
3403 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3404 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3405 	phy->identify.device_type = SAS_SATA_DEV;
3406 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3407 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3408 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3409 }
3410 
3411 /**
3412  * hw_event_phy_down -we should notify the libsas the phy is down.
3413  * @pm8001_ha: our hba card information
3414  * @piomb: IO message buffer
3415  */
3416 static void
3417 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3418 {
3419 	struct hw_event_resp *pPayload =
3420 		(struct hw_event_resp *)(piomb + 4);
3421 
3422 	u32 lr_status_evt_portid =
3423 		le32_to_cpu(pPayload->lr_status_evt_portid);
3424 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3425 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3426 	u8 phy_id =
3427 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3428 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3429 
3430 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3431 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3432 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3433 	port->port_state = portstate;
3434 	phy->identify.device_type = 0;
3435 	phy->phy_attached = 0;
3436 	switch (portstate) {
3437 	case PORT_VALID:
3438 		break;
3439 	case PORT_INVALID:
3440 		PM8001_MSG_DBG(pm8001_ha,
3441 			pm8001_printk(" PortInvalid portID %d\n", port_id));
3442 		PM8001_MSG_DBG(pm8001_ha,
3443 			pm8001_printk(" Last phy Down and port invalid\n"));
3444 		if (port_sata) {
3445 			phy->phy_type = 0;
3446 			port->port_attached = 0;
3447 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3448 					port_id, phy_id, 0, 0);
3449 		}
3450 		sas_phy_disconnected(&phy->sas_phy);
3451 		break;
3452 	case PORT_IN_RESET:
3453 		PM8001_MSG_DBG(pm8001_ha,
3454 			pm8001_printk(" Port In Reset portID %d\n", port_id));
3455 		break;
3456 	case PORT_NOT_ESTABLISHED:
3457 		PM8001_MSG_DBG(pm8001_ha,
3458 			pm8001_printk(" Phy Down and PORT_NOT_ESTABLISHED\n"));
3459 		port->port_attached = 0;
3460 		break;
3461 	case PORT_LOSTCOMM:
3462 		PM8001_MSG_DBG(pm8001_ha,
3463 			pm8001_printk(" Phy Down and PORT_LOSTCOMM\n"));
3464 		PM8001_MSG_DBG(pm8001_ha,
3465 			pm8001_printk(" Last phy Down and port invalid\n"));
3466 		if (port_sata) {
3467 			port->port_attached = 0;
3468 			phy->phy_type = 0;
3469 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3470 					port_id, phy_id, 0, 0);
3471 		}
3472 		sas_phy_disconnected(&phy->sas_phy);
3473 		break;
3474 	default:
3475 		port->port_attached = 0;
3476 		PM8001_DEVIO_DBG(pm8001_ha,
3477 			pm8001_printk(" Phy Down and(default) = 0x%x\n",
3478 			portstate));
3479 		break;
3480 
3481 	}
3482 	if (port_sata && (portstate != PORT_IN_RESET)) {
3483 		struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3484 
3485 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3486 	}
3487 }
3488 
3489 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3490 {
3491 	struct phy_start_resp *pPayload =
3492 		(struct phy_start_resp *)(piomb + 4);
3493 	u32 status =
3494 		le32_to_cpu(pPayload->status);
3495 	u32 phy_id =
3496 		le32_to_cpu(pPayload->phyid);
3497 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3498 
3499 	PM8001_INIT_DBG(pm8001_ha,
3500 		pm8001_printk("phy start resp status:0x%x, phyid:0x%x\n",
3501 				status, phy_id));
3502 	if (status == 0) {
3503 		phy->phy_state = PHY_LINK_DOWN;
3504 		if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3505 				phy->enable_completion != NULL) {
3506 			complete(phy->enable_completion);
3507 			phy->enable_completion = NULL;
3508 		}
3509 	}
3510 	return 0;
3511 
3512 }
3513 
3514 /**
3515  * mpi_thermal_hw_event -The hw event has come.
3516  * @pm8001_ha: our hba card information
3517  * @piomb: IO message buffer
3518  */
3519 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3520 {
3521 	struct thermal_hw_event *pPayload =
3522 		(struct thermal_hw_event *)(piomb + 4);
3523 
3524 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3525 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3526 
3527 	if (thermal_event & 0x40) {
3528 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3529 			"Thermal Event: Local high temperature violated!\n"));
3530 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3531 			"Thermal Event: Measured local high temperature %d\n",
3532 				((rht_lht & 0xFF00) >> 8)));
3533 	}
3534 	if (thermal_event & 0x10) {
3535 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3536 			"Thermal Event: Remote high temperature violated!\n"));
3537 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3538 			"Thermal Event: Measured remote high temperature %d\n",
3539 				((rht_lht & 0xFF000000) >> 24)));
3540 	}
3541 	return 0;
3542 }
3543 
3544 /**
3545  * mpi_hw_event -The hw event has come.
3546  * @pm8001_ha: our hba card information
3547  * @piomb: IO message buffer
3548  */
3549 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3550 {
3551 	unsigned long flags, i;
3552 	struct hw_event_resp *pPayload =
3553 		(struct hw_event_resp *)(piomb + 4);
3554 	u32 lr_status_evt_portid =
3555 		le32_to_cpu(pPayload->lr_status_evt_portid);
3556 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3557 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3558 	u8 phy_id =
3559 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3560 	u16 eventType =
3561 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3562 	u8 status =
3563 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3564 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3565 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3566 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3567 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3568 	PM8001_DEV_DBG(pm8001_ha,
3569 		pm8001_printk("portid:%d phyid:%d event:0x%x status:0x%x\n",
3570 				port_id, phy_id, eventType, status));
3571 
3572 	switch (eventType) {
3573 
3574 	case HW_EVENT_SAS_PHY_UP:
3575 		PM8001_MSG_DBG(pm8001_ha,
3576 			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3577 		hw_event_sas_phy_up(pm8001_ha, piomb);
3578 		break;
3579 	case HW_EVENT_SATA_PHY_UP:
3580 		PM8001_MSG_DBG(pm8001_ha,
3581 			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3582 		hw_event_sata_phy_up(pm8001_ha, piomb);
3583 		break;
3584 	case HW_EVENT_SATA_SPINUP_HOLD:
3585 		PM8001_MSG_DBG(pm8001_ha,
3586 			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3587 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3588 		break;
3589 	case HW_EVENT_PHY_DOWN:
3590 		PM8001_MSG_DBG(pm8001_ha,
3591 			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3592 		hw_event_phy_down(pm8001_ha, piomb);
3593 		if (pm8001_ha->reset_in_progress) {
3594 			PM8001_MSG_DBG(pm8001_ha,
3595 				pm8001_printk("Reset in progress\n"));
3596 			return 0;
3597 		}
3598 		phy->phy_attached = 0;
3599 		phy->phy_state = PHY_LINK_DISABLE;
3600 		break;
3601 	case HW_EVENT_PORT_INVALID:
3602 		PM8001_MSG_DBG(pm8001_ha,
3603 			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3604 		sas_phy_disconnected(sas_phy);
3605 		phy->phy_attached = 0;
3606 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3607 		break;
3608 	/* the broadcast change primitive received, tell the LIBSAS this event
3609 	to revalidate the sas domain*/
3610 	case HW_EVENT_BROADCAST_CHANGE:
3611 		PM8001_MSG_DBG(pm8001_ha,
3612 			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3613 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3614 			port_id, phy_id, 1, 0);
3615 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3616 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3617 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3618 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3619 		break;
3620 	case HW_EVENT_PHY_ERROR:
3621 		PM8001_MSG_DBG(pm8001_ha,
3622 			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3623 		sas_phy_disconnected(&phy->sas_phy);
3624 		phy->phy_attached = 0;
3625 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3626 		break;
3627 	case HW_EVENT_BROADCAST_EXP:
3628 		PM8001_MSG_DBG(pm8001_ha,
3629 			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3630 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3631 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3632 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3633 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3634 		break;
3635 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3636 		PM8001_MSG_DBG(pm8001_ha,
3637 			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3638 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3639 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3640 		break;
3641 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3642 		PM8001_MSG_DBG(pm8001_ha,
3643 			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3644 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3645 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3646 			port_id, phy_id, 0, 0);
3647 		break;
3648 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3649 		PM8001_MSG_DBG(pm8001_ha,
3650 			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3651 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3652 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3653 			port_id, phy_id, 0, 0);
3654 		break;
3655 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3656 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3657 				"HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3658 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3659 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3660 			port_id, phy_id, 0, 0);
3661 		break;
3662 	case HW_EVENT_MALFUNCTION:
3663 		PM8001_MSG_DBG(pm8001_ha,
3664 			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3665 		break;
3666 	case HW_EVENT_BROADCAST_SES:
3667 		PM8001_MSG_DBG(pm8001_ha,
3668 			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3669 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3670 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3671 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3672 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3673 		break;
3674 	case HW_EVENT_INBOUND_CRC_ERROR:
3675 		PM8001_MSG_DBG(pm8001_ha,
3676 			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3677 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3678 			HW_EVENT_INBOUND_CRC_ERROR,
3679 			port_id, phy_id, 0, 0);
3680 		break;
3681 	case HW_EVENT_HARD_RESET_RECEIVED:
3682 		PM8001_MSG_DBG(pm8001_ha,
3683 			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3684 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3685 		break;
3686 	case HW_EVENT_ID_FRAME_TIMEOUT:
3687 		PM8001_MSG_DBG(pm8001_ha,
3688 			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3689 		sas_phy_disconnected(sas_phy);
3690 		phy->phy_attached = 0;
3691 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3692 		break;
3693 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3694 		PM8001_MSG_DBG(pm8001_ha,
3695 			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3696 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3697 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3698 			port_id, phy_id, 0, 0);
3699 		sas_phy_disconnected(sas_phy);
3700 		phy->phy_attached = 0;
3701 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3702 		break;
3703 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3704 		PM8001_MSG_DBG(pm8001_ha,
3705 			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3706 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3707 			port_id, phy_id, 0, 0);
3708 		sas_phy_disconnected(sas_phy);
3709 		phy->phy_attached = 0;
3710 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3711 		if (pm8001_ha->phy[phy_id].reset_completion) {
3712 			pm8001_ha->phy[phy_id].port_reset_status =
3713 					PORT_RESET_TMO;
3714 			complete(pm8001_ha->phy[phy_id].reset_completion);
3715 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3716 		}
3717 		break;
3718 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3719 		PM8001_MSG_DBG(pm8001_ha,
3720 			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3721 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3722 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3723 			port_id, phy_id, 0, 0);
3724 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3725 			if (port->wide_port_phymap & (1 << i)) {
3726 				phy = &pm8001_ha->phy[i];
3727 				sas_ha->notify_phy_event(&phy->sas_phy,
3728 						PHYE_LOSS_OF_SIGNAL);
3729 				port->wide_port_phymap &= ~(1 << i);
3730 			}
3731 		}
3732 		break;
3733 	case HW_EVENT_PORT_RECOVER:
3734 		PM8001_MSG_DBG(pm8001_ha,
3735 			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3736 		hw_event_port_recover(pm8001_ha, piomb);
3737 		break;
3738 	case HW_EVENT_PORT_RESET_COMPLETE:
3739 		PM8001_MSG_DBG(pm8001_ha,
3740 			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3741 		if (pm8001_ha->phy[phy_id].reset_completion) {
3742 			pm8001_ha->phy[phy_id].port_reset_status =
3743 					PORT_RESET_SUCCESS;
3744 			complete(pm8001_ha->phy[phy_id].reset_completion);
3745 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3746 		}
3747 		break;
3748 	case EVENT_BROADCAST_ASYNCH_EVENT:
3749 		PM8001_MSG_DBG(pm8001_ha,
3750 			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3751 		break;
3752 	default:
3753 		PM8001_DEVIO_DBG(pm8001_ha,
3754 			pm8001_printk("Unknown event type 0x%x\n", eventType));
3755 		break;
3756 	}
3757 	return 0;
3758 }
3759 
3760 /**
3761  * mpi_phy_stop_resp - SPCv specific
3762  * @pm8001_ha: our hba card information
3763  * @piomb: IO message buffer
3764  */
3765 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3766 {
3767 	struct phy_stop_resp *pPayload =
3768 		(struct phy_stop_resp *)(piomb + 4);
3769 	u32 status =
3770 		le32_to_cpu(pPayload->status);
3771 	u32 phyid =
3772 		le32_to_cpu(pPayload->phyid) & 0xFF;
3773 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3774 	PM8001_MSG_DBG(pm8001_ha,
3775 			pm8001_printk("phy:0x%x status:0x%x\n",
3776 					phyid, status));
3777 	if (status == PHY_STOP_SUCCESS ||
3778 		status == PHY_STOP_ERR_DEVICE_ATTACHED)
3779 		phy->phy_state = PHY_LINK_DISABLE;
3780 	return 0;
3781 }
3782 
3783 /**
3784  * mpi_set_controller_config_resp - SPCv specific
3785  * @pm8001_ha: our hba card information
3786  * @piomb: IO message buffer
3787  */
3788 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3789 			void *piomb)
3790 {
3791 	struct set_ctrl_cfg_resp *pPayload =
3792 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3793 	u32 status = le32_to_cpu(pPayload->status);
3794 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3795 
3796 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3797 			"SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3798 			status, err_qlfr_pgcd));
3799 
3800 	return 0;
3801 }
3802 
3803 /**
3804  * mpi_get_controller_config_resp - SPCv specific
3805  * @pm8001_ha: our hba card information
3806  * @piomb: IO message buffer
3807  */
3808 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3809 			void *piomb)
3810 {
3811 	PM8001_MSG_DBG(pm8001_ha,
3812 			pm8001_printk(" pm80xx_addition_functionality\n"));
3813 
3814 	return 0;
3815 }
3816 
3817 /**
3818  * mpi_get_phy_profile_resp - SPCv specific
3819  * @pm8001_ha: our hba card information
3820  * @piomb: IO message buffer
3821  */
3822 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3823 			void *piomb)
3824 {
3825 	PM8001_MSG_DBG(pm8001_ha,
3826 			pm8001_printk(" pm80xx_addition_functionality\n"));
3827 
3828 	return 0;
3829 }
3830 
3831 /**
3832  * mpi_flash_op_ext_resp - SPCv specific
3833  * @pm8001_ha: our hba card information
3834  * @piomb: IO message buffer
3835  */
3836 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3837 {
3838 	PM8001_MSG_DBG(pm8001_ha,
3839 			pm8001_printk(" pm80xx_addition_functionality\n"));
3840 
3841 	return 0;
3842 }
3843 
3844 /**
3845  * mpi_set_phy_profile_resp - SPCv specific
3846  * @pm8001_ha: our hba card information
3847  * @piomb: IO message buffer
3848  */
3849 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3850 			void *piomb)
3851 {
3852 	u32 tag;
3853 	u8 page_code;
3854 	int rc = 0;
3855 	struct set_phy_profile_resp *pPayload =
3856 		(struct set_phy_profile_resp *)(piomb + 4);
3857 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3858 	u32 status = le32_to_cpu(pPayload->status);
3859 
3860 	tag = le32_to_cpu(pPayload->tag);
3861 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3862 	if (status) {
3863 		/* status is FAILED */
3864 		PM8001_FAIL_DBG(pm8001_ha,
3865 			pm8001_printk("PhyProfile command failed  with status "
3866 			"0x%08X \n", status));
3867 		rc = -1;
3868 	} else {
3869 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3870 			PM8001_FAIL_DBG(pm8001_ha,
3871 				pm8001_printk("Invalid page code 0x%X\n",
3872 					page_code));
3873 			rc = -1;
3874 		}
3875 	}
3876 	pm8001_tag_free(pm8001_ha, tag);
3877 	return rc;
3878 }
3879 
3880 /**
3881  * mpi_kek_management_resp - SPCv specific
3882  * @pm8001_ha: our hba card information
3883  * @piomb: IO message buffer
3884  */
3885 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3886 			void *piomb)
3887 {
3888 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3889 
3890 	u32 status = le32_to_cpu(pPayload->status);
3891 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3892 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3893 
3894 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3895 		"KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3896 		status, kidx_new_curr_ksop, err_qlfr));
3897 
3898 	return 0;
3899 }
3900 
3901 /**
3902  * mpi_dek_management_resp - SPCv specific
3903  * @pm8001_ha: our hba card information
3904  * @piomb: IO message buffer
3905  */
3906 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3907 			void *piomb)
3908 {
3909 	PM8001_MSG_DBG(pm8001_ha,
3910 			pm8001_printk(" pm80xx_addition_functionality\n"));
3911 
3912 	return 0;
3913 }
3914 
3915 /**
3916  * ssp_coalesced_comp_resp - SPCv specific
3917  * @pm8001_ha: our hba card information
3918  * @piomb: IO message buffer
3919  */
3920 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3921 			void *piomb)
3922 {
3923 	PM8001_MSG_DBG(pm8001_ha,
3924 			pm8001_printk(" pm80xx_addition_functionality\n"));
3925 
3926 	return 0;
3927 }
3928 
3929 /**
3930  * process_one_iomb - process one outbound Queue memory block
3931  * @pm8001_ha: our hba card information
3932  * @piomb: IO message buffer
3933  */
3934 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3935 {
3936 	__le32 pHeader = *(__le32 *)piomb;
3937 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3938 
3939 	switch (opc) {
3940 	case OPC_OUB_ECHO:
3941 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3942 		break;
3943 	case OPC_OUB_HW_EVENT:
3944 		PM8001_MSG_DBG(pm8001_ha,
3945 			pm8001_printk("OPC_OUB_HW_EVENT\n"));
3946 		mpi_hw_event(pm8001_ha, piomb);
3947 		break;
3948 	case OPC_OUB_THERM_HW_EVENT:
3949 		PM8001_MSG_DBG(pm8001_ha,
3950 			pm8001_printk("OPC_OUB_THERMAL_EVENT\n"));
3951 		mpi_thermal_hw_event(pm8001_ha, piomb);
3952 		break;
3953 	case OPC_OUB_SSP_COMP:
3954 		PM8001_MSG_DBG(pm8001_ha,
3955 			pm8001_printk("OPC_OUB_SSP_COMP\n"));
3956 		mpi_ssp_completion(pm8001_ha, piomb);
3957 		break;
3958 	case OPC_OUB_SMP_COMP:
3959 		PM8001_MSG_DBG(pm8001_ha,
3960 			pm8001_printk("OPC_OUB_SMP_COMP\n"));
3961 		mpi_smp_completion(pm8001_ha, piomb);
3962 		break;
3963 	case OPC_OUB_LOCAL_PHY_CNTRL:
3964 		PM8001_MSG_DBG(pm8001_ha,
3965 			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3966 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3967 		break;
3968 	case OPC_OUB_DEV_REGIST:
3969 		PM8001_MSG_DBG(pm8001_ha,
3970 		pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3971 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3972 		break;
3973 	case OPC_OUB_DEREG_DEV:
3974 		PM8001_MSG_DBG(pm8001_ha,
3975 			pm8001_printk("unregister the device\n"));
3976 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3977 		break;
3978 	case OPC_OUB_GET_DEV_HANDLE:
3979 		PM8001_MSG_DBG(pm8001_ha,
3980 			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3981 		break;
3982 	case OPC_OUB_SATA_COMP:
3983 		PM8001_MSG_DBG(pm8001_ha,
3984 			pm8001_printk("OPC_OUB_SATA_COMP\n"));
3985 		mpi_sata_completion(pm8001_ha, piomb);
3986 		break;
3987 	case OPC_OUB_SATA_EVENT:
3988 		PM8001_MSG_DBG(pm8001_ha,
3989 			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3990 		mpi_sata_event(pm8001_ha, piomb);
3991 		break;
3992 	case OPC_OUB_SSP_EVENT:
3993 		PM8001_MSG_DBG(pm8001_ha,
3994 			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3995 		mpi_ssp_event(pm8001_ha, piomb);
3996 		break;
3997 	case OPC_OUB_DEV_HANDLE_ARRIV:
3998 		PM8001_MSG_DBG(pm8001_ha,
3999 			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
4000 		/*This is for target*/
4001 		break;
4002 	case OPC_OUB_SSP_RECV_EVENT:
4003 		PM8001_MSG_DBG(pm8001_ha,
4004 			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
4005 		/*This is for target*/
4006 		break;
4007 	case OPC_OUB_FW_FLASH_UPDATE:
4008 		PM8001_MSG_DBG(pm8001_ha,
4009 			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
4010 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
4011 		break;
4012 	case OPC_OUB_GPIO_RESPONSE:
4013 		PM8001_MSG_DBG(pm8001_ha,
4014 			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
4015 		break;
4016 	case OPC_OUB_GPIO_EVENT:
4017 		PM8001_MSG_DBG(pm8001_ha,
4018 			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
4019 		break;
4020 	case OPC_OUB_GENERAL_EVENT:
4021 		PM8001_MSG_DBG(pm8001_ha,
4022 			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
4023 		pm8001_mpi_general_event(pm8001_ha, piomb);
4024 		break;
4025 	case OPC_OUB_SSP_ABORT_RSP:
4026 		PM8001_MSG_DBG(pm8001_ha,
4027 			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
4028 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4029 		break;
4030 	case OPC_OUB_SATA_ABORT_RSP:
4031 		PM8001_MSG_DBG(pm8001_ha,
4032 			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
4033 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4034 		break;
4035 	case OPC_OUB_SAS_DIAG_MODE_START_END:
4036 		PM8001_MSG_DBG(pm8001_ha,
4037 			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
4038 		break;
4039 	case OPC_OUB_SAS_DIAG_EXECUTE:
4040 		PM8001_MSG_DBG(pm8001_ha,
4041 			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
4042 		break;
4043 	case OPC_OUB_GET_TIME_STAMP:
4044 		PM8001_MSG_DBG(pm8001_ha,
4045 			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
4046 		break;
4047 	case OPC_OUB_SAS_HW_EVENT_ACK:
4048 		PM8001_MSG_DBG(pm8001_ha,
4049 			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
4050 		break;
4051 	case OPC_OUB_PORT_CONTROL:
4052 		PM8001_MSG_DBG(pm8001_ha,
4053 			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
4054 		break;
4055 	case OPC_OUB_SMP_ABORT_RSP:
4056 		PM8001_MSG_DBG(pm8001_ha,
4057 			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
4058 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4059 		break;
4060 	case OPC_OUB_GET_NVMD_DATA:
4061 		PM8001_MSG_DBG(pm8001_ha,
4062 			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
4063 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
4064 		break;
4065 	case OPC_OUB_SET_NVMD_DATA:
4066 		PM8001_MSG_DBG(pm8001_ha,
4067 			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
4068 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
4069 		break;
4070 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
4071 		PM8001_MSG_DBG(pm8001_ha,
4072 			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
4073 		break;
4074 	case OPC_OUB_SET_DEVICE_STATE:
4075 		PM8001_MSG_DBG(pm8001_ha,
4076 			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
4077 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4078 		break;
4079 	case OPC_OUB_GET_DEVICE_STATE:
4080 		PM8001_MSG_DBG(pm8001_ha,
4081 			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
4082 		break;
4083 	case OPC_OUB_SET_DEV_INFO:
4084 		PM8001_MSG_DBG(pm8001_ha,
4085 			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
4086 		break;
4087 	/* spcv specifc commands */
4088 	case OPC_OUB_PHY_START_RESP:
4089 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4090 			"OPC_OUB_PHY_START_RESP opcode:%x\n", opc));
4091 		mpi_phy_start_resp(pm8001_ha, piomb);
4092 		break;
4093 	case OPC_OUB_PHY_STOP_RESP:
4094 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4095 			"OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc));
4096 		mpi_phy_stop_resp(pm8001_ha, piomb);
4097 		break;
4098 	case OPC_OUB_SET_CONTROLLER_CONFIG:
4099 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4100 			"OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc));
4101 		mpi_set_controller_config_resp(pm8001_ha, piomb);
4102 		break;
4103 	case OPC_OUB_GET_CONTROLLER_CONFIG:
4104 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4105 			"OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc));
4106 		mpi_get_controller_config_resp(pm8001_ha, piomb);
4107 		break;
4108 	case OPC_OUB_GET_PHY_PROFILE:
4109 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4110 			"OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc));
4111 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
4112 		break;
4113 	case OPC_OUB_FLASH_OP_EXT:
4114 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4115 			"OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc));
4116 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
4117 		break;
4118 	case OPC_OUB_SET_PHY_PROFILE:
4119 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4120 			"OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc));
4121 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
4122 		break;
4123 	case OPC_OUB_KEK_MANAGEMENT_RESP:
4124 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4125 			"OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc));
4126 		mpi_kek_management_resp(pm8001_ha, piomb);
4127 		break;
4128 	case OPC_OUB_DEK_MANAGEMENT_RESP:
4129 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4130 			"OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc));
4131 		mpi_dek_management_resp(pm8001_ha, piomb);
4132 		break;
4133 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
4134 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
4135 			"OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc));
4136 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
4137 		break;
4138 	default:
4139 		PM8001_DEVIO_DBG(pm8001_ha, pm8001_printk(
4140 			"Unknown outbound Queue IOMB OPC = 0x%x\n", opc));
4141 		break;
4142 	}
4143 }
4144 
4145 static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
4146 {
4147 	PM8001_FAIL_DBG(pm8001_ha,
4148 		pm8001_printk("MSGU_SCRATCH_PAD_0: 0x%x\n",
4149 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
4150 	PM8001_FAIL_DBG(pm8001_ha,
4151 		pm8001_printk("MSGU_SCRATCH_PAD_1:0x%x\n",
4152 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)));
4153 	PM8001_FAIL_DBG(pm8001_ha,
4154 		pm8001_printk("MSGU_SCRATCH_PAD_2: 0x%x\n",
4155 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)));
4156 	PM8001_FAIL_DBG(pm8001_ha,
4157 		pm8001_printk("MSGU_SCRATCH_PAD_3: 0x%x\n",
4158 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
4159 	PM8001_FAIL_DBG(pm8001_ha,
4160 		pm8001_printk("MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
4161 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0)));
4162 	PM8001_FAIL_DBG(pm8001_ha,
4163 		pm8001_printk("MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
4164 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1)));
4165 	PM8001_FAIL_DBG(pm8001_ha,
4166 		pm8001_printk("MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
4167 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2)));
4168 	PM8001_FAIL_DBG(pm8001_ha,
4169 		pm8001_printk("MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
4170 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3)));
4171 	PM8001_FAIL_DBG(pm8001_ha,
4172 		pm8001_printk("MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
4173 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4)));
4174 	PM8001_FAIL_DBG(pm8001_ha,
4175 		pm8001_printk("MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
4176 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5)));
4177 	PM8001_FAIL_DBG(pm8001_ha,
4178 		pm8001_printk("MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
4179 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6)));
4180 	PM8001_FAIL_DBG(pm8001_ha,
4181 		pm8001_printk("MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
4182 			pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7)));
4183 }
4184 
4185 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4186 {
4187 	struct outbound_queue_table *circularQ;
4188 	void *pMsg1 = NULL;
4189 	u8 bc;
4190 	u32 ret = MPI_IO_STATUS_FAIL;
4191 	unsigned long flags;
4192 	u32 regval;
4193 
4194 	if (vec == (pm8001_ha->number_of_intr - 1)) {
4195 		regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
4196 		if ((regval & SCRATCH_PAD_MIPSALL_READY) !=
4197 					SCRATCH_PAD_MIPSALL_READY) {
4198 			pm8001_ha->controller_fatal_error = true;
4199 			PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
4200 				"Firmware Fatal error! Regval:0x%x\n", regval));
4201 			print_scratchpad_registers(pm8001_ha);
4202 			return ret;
4203 		}
4204 	}
4205 	spin_lock_irqsave(&pm8001_ha->lock, flags);
4206 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4207 	do {
4208 		/* spurious interrupt during setup if kexec-ing and
4209 		 * driver doing a doorbell access w/ the pre-kexec oq
4210 		 * interrupt setup.
4211 		 */
4212 		if (!circularQ->pi_virt)
4213 			break;
4214 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4215 		if (MPI_IO_STATUS_SUCCESS == ret) {
4216 			/* process the outbound message */
4217 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
4218 			/* free the message from the outbound circular buffer */
4219 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4220 							circularQ, bc);
4221 		}
4222 		if (MPI_IO_STATUS_BUSY == ret) {
4223 			/* Update the producer index from SPC */
4224 			circularQ->producer_index =
4225 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4226 			if (le32_to_cpu(circularQ->producer_index) ==
4227 				circularQ->consumer_idx)
4228 				/* OQ is empty */
4229 				break;
4230 		}
4231 	} while (1);
4232 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4233 	return ret;
4234 }
4235 
4236 /* DMA_... to our direction translation. */
4237 static const u8 data_dir_flags[] = {
4238 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4239 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4240 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4241 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4242 };
4243 
4244 static void build_smp_cmd(u32 deviceID, __le32 hTag,
4245 			struct smp_req *psmp_cmd, int mode, int length)
4246 {
4247 	psmp_cmd->tag = hTag;
4248 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4249 	if (mode == SMP_DIRECT) {
4250 		length = length - 4; /* subtract crc */
4251 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
4252 	} else {
4253 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4254 	}
4255 }
4256 
4257 /**
4258  * pm8001_chip_smp_req - send a SMP task to FW
4259  * @pm8001_ha: our hba card information.
4260  * @ccb: the ccb information this request used.
4261  */
4262 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4263 	struct pm8001_ccb_info *ccb)
4264 {
4265 	int elem, rc;
4266 	struct sas_task *task = ccb->task;
4267 	struct domain_device *dev = task->dev;
4268 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4269 	struct scatterlist *sg_req, *sg_resp;
4270 	u32 req_len, resp_len;
4271 	struct smp_req smp_cmd;
4272 	u32 opc;
4273 	struct inbound_queue_table *circularQ;
4274 	char *preq_dma_addr = NULL;
4275 	__le64 tmp_addr;
4276 	u32 i, length;
4277 
4278 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4279 	/*
4280 	 * DMA-map SMP request, response buffers
4281 	 */
4282 	sg_req = &task->smp_task.smp_req;
4283 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4284 	if (!elem)
4285 		return -ENOMEM;
4286 	req_len = sg_dma_len(sg_req);
4287 
4288 	sg_resp = &task->smp_task.smp_resp;
4289 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4290 	if (!elem) {
4291 		rc = -ENOMEM;
4292 		goto err_out;
4293 	}
4294 	resp_len = sg_dma_len(sg_resp);
4295 	/* must be in dwords */
4296 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4297 		rc = -EINVAL;
4298 		goto err_out_2;
4299 	}
4300 
4301 	opc = OPC_INB_SMP_REQUEST;
4302 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4303 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4304 
4305 	length = sg_req->length;
4306 	PM8001_IO_DBG(pm8001_ha,
4307 		pm8001_printk("SMP Frame Length %d\n", sg_req->length));
4308 	if (!(length - 8))
4309 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
4310 	else
4311 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
4312 
4313 
4314 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4315 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
4316 
4317 	/* INDIRECT MODE command settings. Use DMA */
4318 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
4319 		PM8001_IO_DBG(pm8001_ha,
4320 			pm8001_printk("SMP REQUEST INDIRECT MODE\n"));
4321 		/* for SPCv indirect mode. Place the top 4 bytes of
4322 		 * SMP Request header here. */
4323 		for (i = 0; i < 4; i++)
4324 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
4325 		/* exclude top 4 bytes for SMP req header */
4326 		smp_cmd.long_smp_req.long_req_addr =
4327 			cpu_to_le64((u64)sg_dma_address
4328 				(&task->smp_task.smp_req) + 4);
4329 		/* exclude 4 bytes for SMP req header and CRC */
4330 		smp_cmd.long_smp_req.long_req_size =
4331 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
4332 		smp_cmd.long_smp_req.long_resp_addr =
4333 				cpu_to_le64((u64)sg_dma_address
4334 					(&task->smp_task.smp_resp));
4335 		smp_cmd.long_smp_req.long_resp_size =
4336 				cpu_to_le32((u32)sg_dma_len
4337 					(&task->smp_task.smp_resp)-4);
4338 	} else { /* DIRECT MODE */
4339 		smp_cmd.long_smp_req.long_req_addr =
4340 			cpu_to_le64((u64)sg_dma_address
4341 					(&task->smp_task.smp_req));
4342 		smp_cmd.long_smp_req.long_req_size =
4343 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4344 		smp_cmd.long_smp_req.long_resp_addr =
4345 			cpu_to_le64((u64)sg_dma_address
4346 				(&task->smp_task.smp_resp));
4347 		smp_cmd.long_smp_req.long_resp_size =
4348 			cpu_to_le32
4349 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4350 	}
4351 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
4352 		PM8001_IO_DBG(pm8001_ha,
4353 			pm8001_printk("SMP REQUEST DIRECT MODE\n"));
4354 		for (i = 0; i < length; i++)
4355 			if (i < 16) {
4356 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
4357 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4358 					"Byte[%d]:%x (DMA data:%x)\n",
4359 					i, smp_cmd.smp_req16[i],
4360 					*(preq_dma_addr)));
4361 			} else {
4362 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
4363 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4364 					"Byte[%d]:%x (DMA data:%x)\n",
4365 					i, smp_cmd.smp_req[i],
4366 					*(preq_dma_addr)));
4367 			}
4368 	}
4369 
4370 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
4371 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
4372 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &smp_cmd,
4373 			sizeof(smp_cmd), 0);
4374 	if (rc)
4375 		goto err_out_2;
4376 	return 0;
4377 
4378 err_out_2:
4379 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4380 			DMA_FROM_DEVICE);
4381 err_out:
4382 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4383 			DMA_TO_DEVICE);
4384 	return rc;
4385 }
4386 
4387 static int check_enc_sas_cmd(struct sas_task *task)
4388 {
4389 	u8 cmd = task->ssp_task.cmd->cmnd[0];
4390 
4391 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4392 		return 1;
4393 	else
4394 		return 0;
4395 }
4396 
4397 static int check_enc_sat_cmd(struct sas_task *task)
4398 {
4399 	int ret = 0;
4400 	switch (task->ata_task.fis.command) {
4401 	case ATA_CMD_FPDMA_READ:
4402 	case ATA_CMD_READ_EXT:
4403 	case ATA_CMD_READ:
4404 	case ATA_CMD_FPDMA_WRITE:
4405 	case ATA_CMD_WRITE_EXT:
4406 	case ATA_CMD_WRITE:
4407 	case ATA_CMD_PIO_READ:
4408 	case ATA_CMD_PIO_READ_EXT:
4409 	case ATA_CMD_PIO_WRITE:
4410 	case ATA_CMD_PIO_WRITE_EXT:
4411 		ret = 1;
4412 		break;
4413 	default:
4414 		ret = 0;
4415 		break;
4416 	}
4417 	return ret;
4418 }
4419 
4420 /**
4421  * pm80xx_chip_ssp_io_req - send a SSP task to FW
4422  * @pm8001_ha: our hba card information.
4423  * @ccb: the ccb information this request used.
4424  */
4425 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4426 	struct pm8001_ccb_info *ccb)
4427 {
4428 	struct sas_task *task = ccb->task;
4429 	struct domain_device *dev = task->dev;
4430 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4431 	struct ssp_ini_io_start_req ssp_cmd;
4432 	u32 tag = ccb->ccb_tag;
4433 	int ret;
4434 	u64 phys_addr, start_addr, end_addr;
4435 	u32 end_addr_high, end_addr_low;
4436 	struct inbound_queue_table *circularQ;
4437 	u32 q_index;
4438 	u32 opc = OPC_INB_SSPINIIOSTART;
4439 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4440 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4441 	/* data address domain added for spcv; set to 0 by host,
4442 	 * used internally by controller
4443 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4444 	 */
4445 	ssp_cmd.dad_dir_m_tlr =
4446 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4447 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4448 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4449 	ssp_cmd.tag = cpu_to_le32(tag);
4450 	if (task->ssp_task.enable_first_burst)
4451 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4452 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4453 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4454 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4455 		       task->ssp_task.cmd->cmd_len);
4456 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4457 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4458 
4459 	/* Check if encryption is set */
4460 	if (pm8001_ha->chip->encrypt &&
4461 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4462 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4463 			"Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4464 			task->ssp_task.cmd->cmnd[0]));
4465 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4466 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4467 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4468 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4469 
4470 		/* fill in PRD (scatter/gather) table, if any */
4471 		if (task->num_scatter > 1) {
4472 			pm8001_chip_make_sg(task->scatter,
4473 						ccb->n_elem, ccb->buf_prd);
4474 			phys_addr = ccb->ccb_dma_handle +
4475 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4476 			ssp_cmd.enc_addr_low =
4477 				cpu_to_le32(lower_32_bits(phys_addr));
4478 			ssp_cmd.enc_addr_high =
4479 				cpu_to_le32(upper_32_bits(phys_addr));
4480 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4481 		} else if (task->num_scatter == 1) {
4482 			u64 dma_addr = sg_dma_address(task->scatter);
4483 			ssp_cmd.enc_addr_low =
4484 				cpu_to_le32(lower_32_bits(dma_addr));
4485 			ssp_cmd.enc_addr_high =
4486 				cpu_to_le32(upper_32_bits(dma_addr));
4487 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4488 			ssp_cmd.enc_esgl = 0;
4489 			/* Check 4G Boundary */
4490 			start_addr = cpu_to_le64(dma_addr);
4491 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4492 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4493 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4494 			if (end_addr_high != ssp_cmd.enc_addr_high) {
4495 				PM8001_FAIL_DBG(pm8001_ha,
4496 					pm8001_printk("The sg list address "
4497 					"start_addr=0x%016llx data_len=0x%x "
4498 					"end_addr_high=0x%08x end_addr_low="
4499 					"0x%08x has crossed 4G boundary\n",
4500 						start_addr, ssp_cmd.enc_len,
4501 						end_addr_high, end_addr_low));
4502 				pm8001_chip_make_sg(task->scatter, 1,
4503 					ccb->buf_prd);
4504 				phys_addr = ccb->ccb_dma_handle +
4505 					offsetof(struct pm8001_ccb_info,
4506 						buf_prd[0]);
4507 				ssp_cmd.enc_addr_low =
4508 					cpu_to_le32(lower_32_bits(phys_addr));
4509 				ssp_cmd.enc_addr_high =
4510 					cpu_to_le32(upper_32_bits(phys_addr));
4511 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4512 			}
4513 		} else if (task->num_scatter == 0) {
4514 			ssp_cmd.enc_addr_low = 0;
4515 			ssp_cmd.enc_addr_high = 0;
4516 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4517 			ssp_cmd.enc_esgl = 0;
4518 		}
4519 		/* XTS mode. All other fields are 0 */
4520 		ssp_cmd.key_cmode = 0x6 << 4;
4521 		/* set tweak values. Should be the start lba */
4522 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4523 						(task->ssp_task.cmd->cmnd[3] << 16) |
4524 						(task->ssp_task.cmd->cmnd[4] << 8) |
4525 						(task->ssp_task.cmd->cmnd[5]));
4526 	} else {
4527 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4528 			"Sending Normal SAS command 0x%x inb q %x\n",
4529 			task->ssp_task.cmd->cmnd[0], q_index));
4530 		/* fill in PRD (scatter/gather) table, if any */
4531 		if (task->num_scatter > 1) {
4532 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4533 					ccb->buf_prd);
4534 			phys_addr = ccb->ccb_dma_handle +
4535 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4536 			ssp_cmd.addr_low =
4537 				cpu_to_le32(lower_32_bits(phys_addr));
4538 			ssp_cmd.addr_high =
4539 				cpu_to_le32(upper_32_bits(phys_addr));
4540 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4541 		} else if (task->num_scatter == 1) {
4542 			u64 dma_addr = sg_dma_address(task->scatter);
4543 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4544 			ssp_cmd.addr_high =
4545 				cpu_to_le32(upper_32_bits(dma_addr));
4546 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4547 			ssp_cmd.esgl = 0;
4548 			/* Check 4G Boundary */
4549 			start_addr = cpu_to_le64(dma_addr);
4550 			end_addr = (start_addr + ssp_cmd.len) - 1;
4551 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4552 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4553 			if (end_addr_high != ssp_cmd.addr_high) {
4554 				PM8001_FAIL_DBG(pm8001_ha,
4555 					pm8001_printk("The sg list address "
4556 					"start_addr=0x%016llx data_len=0x%x "
4557 					"end_addr_high=0x%08x end_addr_low="
4558 					"0x%08x has crossed 4G boundary\n",
4559 						 start_addr, ssp_cmd.len,
4560 						 end_addr_high, end_addr_low));
4561 				pm8001_chip_make_sg(task->scatter, 1,
4562 					ccb->buf_prd);
4563 				phys_addr = ccb->ccb_dma_handle +
4564 					offsetof(struct pm8001_ccb_info,
4565 						 buf_prd[0]);
4566 				ssp_cmd.addr_low =
4567 					cpu_to_le32(lower_32_bits(phys_addr));
4568 				ssp_cmd.addr_high =
4569 					cpu_to_le32(upper_32_bits(phys_addr));
4570 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4571 			}
4572 		} else if (task->num_scatter == 0) {
4573 			ssp_cmd.addr_low = 0;
4574 			ssp_cmd.addr_high = 0;
4575 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4576 			ssp_cmd.esgl = 0;
4577 		}
4578 	}
4579 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4580 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4581 			&ssp_cmd, sizeof(ssp_cmd), q_index);
4582 	return ret;
4583 }
4584 
4585 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4586 	struct pm8001_ccb_info *ccb)
4587 {
4588 	struct sas_task *task = ccb->task;
4589 	struct domain_device *dev = task->dev;
4590 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4591 	u32 tag = ccb->ccb_tag;
4592 	int ret;
4593 	u32 q_index;
4594 	struct sata_start_req sata_cmd;
4595 	u32 hdr_tag, ncg_tag = 0;
4596 	u64 phys_addr, start_addr, end_addr;
4597 	u32 end_addr_high, end_addr_low;
4598 	u32 ATAP = 0x0;
4599 	u32 dir;
4600 	struct inbound_queue_table *circularQ;
4601 	unsigned long flags;
4602 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4603 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4604 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4605 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4606 
4607 	if (task->data_dir == DMA_NONE) {
4608 		ATAP = 0x04; /* no data*/
4609 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4610 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4611 		if (task->ata_task.dma_xfer) {
4612 			ATAP = 0x06; /* DMA */
4613 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4614 		} else {
4615 			ATAP = 0x05; /* PIO*/
4616 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4617 		}
4618 		if (task->ata_task.use_ncq &&
4619 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4620 			ATAP = 0x07; /* FPDMA */
4621 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4622 		}
4623 	}
4624 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4625 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4626 		ncg_tag = hdr_tag;
4627 	}
4628 	dir = data_dir_flags[task->data_dir] << 8;
4629 	sata_cmd.tag = cpu_to_le32(tag);
4630 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4631 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4632 
4633 	sata_cmd.sata_fis = task->ata_task.fis;
4634 	if (likely(!task->ata_task.device_control_reg_update))
4635 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4636 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4637 
4638 	/* Check if encryption is set */
4639 	if (pm8001_ha->chip->encrypt &&
4640 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4641 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4642 			"Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4643 			sata_cmd.sata_fis.command));
4644 		opc = OPC_INB_SATA_DIF_ENC_IO;
4645 
4646 		/* set encryption bit */
4647 		sata_cmd.ncqtag_atap_dir_m_dad =
4648 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4649 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4650 							/* dad (bit 0-1) is 0 */
4651 		/* fill in PRD (scatter/gather) table, if any */
4652 		if (task->num_scatter > 1) {
4653 			pm8001_chip_make_sg(task->scatter,
4654 						ccb->n_elem, ccb->buf_prd);
4655 			phys_addr = ccb->ccb_dma_handle +
4656 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4657 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4658 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4659 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4660 		} else if (task->num_scatter == 1) {
4661 			u64 dma_addr = sg_dma_address(task->scatter);
4662 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4663 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4664 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4665 			sata_cmd.enc_esgl = 0;
4666 			/* Check 4G Boundary */
4667 			start_addr = cpu_to_le64(dma_addr);
4668 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4669 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4670 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4671 			if (end_addr_high != sata_cmd.enc_addr_high) {
4672 				PM8001_FAIL_DBG(pm8001_ha,
4673 					pm8001_printk("The sg list address "
4674 					"start_addr=0x%016llx data_len=0x%x "
4675 					"end_addr_high=0x%08x end_addr_low"
4676 					"=0x%08x has crossed 4G boundary\n",
4677 						start_addr, sata_cmd.enc_len,
4678 						end_addr_high, end_addr_low));
4679 				pm8001_chip_make_sg(task->scatter, 1,
4680 					ccb->buf_prd);
4681 				phys_addr = ccb->ccb_dma_handle +
4682 						offsetof(struct pm8001_ccb_info,
4683 						buf_prd[0]);
4684 				sata_cmd.enc_addr_low =
4685 					lower_32_bits(phys_addr);
4686 				sata_cmd.enc_addr_high =
4687 					upper_32_bits(phys_addr);
4688 				sata_cmd.enc_esgl =
4689 					cpu_to_le32(1 << 31);
4690 			}
4691 		} else if (task->num_scatter == 0) {
4692 			sata_cmd.enc_addr_low = 0;
4693 			sata_cmd.enc_addr_high = 0;
4694 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4695 			sata_cmd.enc_esgl = 0;
4696 		}
4697 		/* XTS mode. All other fields are 0 */
4698 		sata_cmd.key_index_mode = 0x6 << 4;
4699 		/* set tweak values. Should be the start lba */
4700 		sata_cmd.twk_val0 =
4701 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4702 					(sata_cmd.sata_fis.lbah << 16) |
4703 					(sata_cmd.sata_fis.lbam << 8) |
4704 					(sata_cmd.sata_fis.lbal));
4705 		sata_cmd.twk_val1 =
4706 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4707 					 (sata_cmd.sata_fis.lbam_exp));
4708 	} else {
4709 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4710 			"Sending Normal SATA command 0x%x inb %x\n",
4711 			sata_cmd.sata_fis.command, q_index));
4712 		/* dad (bit 0-1) is 0 */
4713 		sata_cmd.ncqtag_atap_dir_m_dad =
4714 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4715 					((ATAP & 0x3f) << 10) | dir);
4716 
4717 		/* fill in PRD (scatter/gather) table, if any */
4718 		if (task->num_scatter > 1) {
4719 			pm8001_chip_make_sg(task->scatter,
4720 					ccb->n_elem, ccb->buf_prd);
4721 			phys_addr = ccb->ccb_dma_handle +
4722 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4723 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4724 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4725 			sata_cmd.esgl = cpu_to_le32(1 << 31);
4726 		} else if (task->num_scatter == 1) {
4727 			u64 dma_addr = sg_dma_address(task->scatter);
4728 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4729 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4730 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4731 			sata_cmd.esgl = 0;
4732 			/* Check 4G Boundary */
4733 			start_addr = cpu_to_le64(dma_addr);
4734 			end_addr = (start_addr + sata_cmd.len) - 1;
4735 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4736 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4737 			if (end_addr_high != sata_cmd.addr_high) {
4738 				PM8001_FAIL_DBG(pm8001_ha,
4739 					pm8001_printk("The sg list address "
4740 					"start_addr=0x%016llx data_len=0x%x"
4741 					"end_addr_high=0x%08x end_addr_low="
4742 					"0x%08x has crossed 4G boundary\n",
4743 						start_addr, sata_cmd.len,
4744 						end_addr_high, end_addr_low));
4745 				pm8001_chip_make_sg(task->scatter, 1,
4746 					ccb->buf_prd);
4747 				phys_addr = ccb->ccb_dma_handle +
4748 					offsetof(struct pm8001_ccb_info,
4749 					buf_prd[0]);
4750 				sata_cmd.addr_low =
4751 					lower_32_bits(phys_addr);
4752 				sata_cmd.addr_high =
4753 					upper_32_bits(phys_addr);
4754 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4755 			}
4756 		} else if (task->num_scatter == 0) {
4757 			sata_cmd.addr_low = 0;
4758 			sata_cmd.addr_high = 0;
4759 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4760 			sata_cmd.esgl = 0;
4761 		}
4762 		/* scsi cdb */
4763 		sata_cmd.atapi_scsi_cdb[0] =
4764 			cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4765 			(task->ata_task.atapi_packet[1] << 8) |
4766 			(task->ata_task.atapi_packet[2] << 16) |
4767 			(task->ata_task.atapi_packet[3] << 24)));
4768 		sata_cmd.atapi_scsi_cdb[1] =
4769 			cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4770 			(task->ata_task.atapi_packet[5] << 8) |
4771 			(task->ata_task.atapi_packet[6] << 16) |
4772 			(task->ata_task.atapi_packet[7] << 24)));
4773 		sata_cmd.atapi_scsi_cdb[2] =
4774 			cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4775 			(task->ata_task.atapi_packet[9] << 8) |
4776 			(task->ata_task.atapi_packet[10] << 16) |
4777 			(task->ata_task.atapi_packet[11] << 24)));
4778 		sata_cmd.atapi_scsi_cdb[3] =
4779 			cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4780 			(task->ata_task.atapi_packet[13] << 8) |
4781 			(task->ata_task.atapi_packet[14] << 16) |
4782 			(task->ata_task.atapi_packet[15] << 24)));
4783 	}
4784 
4785 	/* Check for read log for failed drive and return */
4786 	if (sata_cmd.sata_fis.command == 0x2f) {
4787 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4788 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4789 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4790 			struct task_status_struct *ts;
4791 
4792 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4793 			ts = &task->task_status;
4794 
4795 			spin_lock_irqsave(&task->task_state_lock, flags);
4796 			ts->resp = SAS_TASK_COMPLETE;
4797 			ts->stat = SAM_STAT_GOOD;
4798 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4799 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4800 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4801 			if (unlikely((task->task_state_flags &
4802 					SAS_TASK_STATE_ABORTED))) {
4803 				spin_unlock_irqrestore(&task->task_state_lock,
4804 							flags);
4805 				PM8001_FAIL_DBG(pm8001_ha,
4806 					pm8001_printk("task 0x%p resp 0x%x "
4807 					" stat 0x%x but aborted by upper layer "
4808 					"\n", task, ts->resp, ts->stat));
4809 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4810 				return 0;
4811 			} else {
4812 				spin_unlock_irqrestore(&task->task_state_lock,
4813 							flags);
4814 				pm8001_ccb_task_free_done(pm8001_ha, task,
4815 								ccb, tag);
4816 				return 0;
4817 			}
4818 		}
4819 	}
4820 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4821 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4822 			&sata_cmd, sizeof(sata_cmd), q_index);
4823 	return ret;
4824 }
4825 
4826 /**
4827  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4828  * @pm8001_ha: our hba card information.
4829  * @phy_id: the phy id which we wanted to start up.
4830  */
4831 static int
4832 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4833 {
4834 	struct phy_start_req payload;
4835 	struct inbound_queue_table *circularQ;
4836 	int ret;
4837 	u32 tag = 0x01;
4838 	u32 opcode = OPC_INB_PHYSTART;
4839 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4840 	memset(&payload, 0, sizeof(payload));
4841 	payload.tag = cpu_to_le32(tag);
4842 
4843 	PM8001_INIT_DBG(pm8001_ha,
4844 		pm8001_printk("PHY START REQ for phy_id %d\n", phy_id));
4845 
4846 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4847 			LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
4848 	/* SSC Disable and SAS Analog ST configuration */
4849 	/**
4850 	payload.ase_sh_lm_slr_phyid =
4851 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4852 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4853 		phy_id);
4854 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4855 	**/
4856 
4857 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4858 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4859 	memcpy(payload.sas_identify.sas_addr,
4860 	  &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4861 	payload.sas_identify.phy_id = phy_id;
4862 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4863 			sizeof(payload), 0);
4864 	return ret;
4865 }
4866 
4867 /**
4868  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4869  * @pm8001_ha: our hba card information.
4870  * @phy_id: the phy id which we wanted to start up.
4871  */
4872 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4873 	u8 phy_id)
4874 {
4875 	struct phy_stop_req payload;
4876 	struct inbound_queue_table *circularQ;
4877 	int ret;
4878 	u32 tag = 0x01;
4879 	u32 opcode = OPC_INB_PHYSTOP;
4880 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4881 	memset(&payload, 0, sizeof(payload));
4882 	payload.tag = cpu_to_le32(tag);
4883 	payload.phy_id = cpu_to_le32(phy_id);
4884 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4885 			sizeof(payload), 0);
4886 	return ret;
4887 }
4888 
4889 /*
4890  * see comments on pm8001_mpi_reg_resp.
4891  */
4892 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4893 	struct pm8001_device *pm8001_dev, u32 flag)
4894 {
4895 	struct reg_dev_req payload;
4896 	u32	opc;
4897 	u32 stp_sspsmp_sata = 0x4;
4898 	struct inbound_queue_table *circularQ;
4899 	u32 linkrate, phy_id;
4900 	int rc, tag = 0xdeadbeef;
4901 	struct pm8001_ccb_info *ccb;
4902 	u8 retryFlag = 0x1;
4903 	u16 firstBurstSize = 0;
4904 	u16 ITNT = 2000;
4905 	struct domain_device *dev = pm8001_dev->sas_device;
4906 	struct domain_device *parent_dev = dev->parent;
4907 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4908 
4909 	memset(&payload, 0, sizeof(payload));
4910 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4911 	if (rc)
4912 		return rc;
4913 	ccb = &pm8001_ha->ccb_info[tag];
4914 	ccb->device = pm8001_dev;
4915 	ccb->ccb_tag = tag;
4916 	payload.tag = cpu_to_le32(tag);
4917 
4918 	if (flag == 1) {
4919 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4920 	} else {
4921 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4922 			stp_sspsmp_sata = 0x00; /* stp*/
4923 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4924 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4925 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4926 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4927 	}
4928 	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4929 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4930 	else
4931 		phy_id = pm8001_dev->attached_phy;
4932 
4933 	opc = OPC_INB_REG_DEV;
4934 
4935 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4936 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4937 
4938 	payload.phyid_portid =
4939 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4940 		((phy_id & 0xFF) << 8));
4941 
4942 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4943 		((linkrate & 0x0F) << 24) |
4944 		((stp_sspsmp_sata & 0x03) << 28));
4945 	payload.firstburstsize_ITNexustimeout =
4946 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4947 
4948 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4949 		SAS_ADDR_SIZE);
4950 
4951 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4952 			sizeof(payload), 0);
4953 	if (rc)
4954 		pm8001_tag_free(pm8001_ha, tag);
4955 
4956 	return rc;
4957 }
4958 
4959 /**
4960  * pm80xx_chip_phy_ctl_req - support the local phy operation
4961  * @pm8001_ha: our hba card information.
4962  * @phyId: the phy id which we wanted to operate
4963  * @phy_op: phy operation to request
4964  */
4965 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4966 	u32 phyId, u32 phy_op)
4967 {
4968 	u32 tag;
4969 	int rc;
4970 	struct local_phy_ctl_req payload;
4971 	struct inbound_queue_table *circularQ;
4972 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4973 	memset(&payload, 0, sizeof(payload));
4974 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4975 	if (rc)
4976 		return rc;
4977 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4978 	payload.tag = cpu_to_le32(tag);
4979 	payload.phyop_phyid =
4980 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4981 	return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4982 			sizeof(payload), 0);
4983 }
4984 
4985 static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4986 {
4987 #ifdef PM8001_USE_MSIX
4988 	return 1;
4989 #else
4990 	u32 value;
4991 
4992 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4993 	if (value)
4994 		return 1;
4995 	return 0;
4996 #endif
4997 }
4998 
4999 /**
5000  * pm8001_chip_isr - PM8001 isr handler.
5001  * @pm8001_ha: our hba card information.
5002  * @vec: irq number.
5003  */
5004 static irqreturn_t
5005 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
5006 {
5007 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
5008 	PM8001_DEVIO_DBG(pm8001_ha, pm8001_printk(
5009 		"irq vec %d, ODMR:0x%x\n",
5010 		vec, pm8001_cr32(pm8001_ha, 0, 0x30)));
5011 	process_oq(pm8001_ha, vec);
5012 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
5013 	return IRQ_HANDLED;
5014 }
5015 
5016 static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
5017 				    u32 operation, u32 phyid,
5018 				    u32 length, u32 *buf)
5019 {
5020 	u32 tag , i, j = 0;
5021 	int rc;
5022 	struct set_phy_profile_req payload;
5023 	struct inbound_queue_table *circularQ;
5024 	u32 opc = OPC_INB_SET_PHY_PROFILE;
5025 
5026 	memset(&payload, 0, sizeof(payload));
5027 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5028 	if (rc)
5029 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Invalid tag\n"));
5030 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5031 	payload.tag = cpu_to_le32(tag);
5032 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
5033 	PM8001_INIT_DBG(pm8001_ha,
5034 		pm8001_printk(" phy profile command for phy %x ,length is %d\n",
5035 			payload.ppc_phyid, length));
5036 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
5037 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
5038 		j++;
5039 	}
5040 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
5041 			sizeof(payload), 0);
5042 	if (rc)
5043 		pm8001_tag_free(pm8001_ha, tag);
5044 }
5045 
5046 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
5047 	u32 length, u8 *buf)
5048 {
5049 	u32 i;
5050 
5051 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
5052 		mpi_set_phy_profile_req(pm8001_ha,
5053 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
5054 		length = length + PHY_DWORD_LENGTH;
5055 	}
5056 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("phy settings completed\n"));
5057 }
5058 
5059 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
5060 		u32 phy, u32 length, u32 *buf)
5061 {
5062 	u32 tag, opc;
5063 	int rc, i;
5064 	struct set_phy_profile_req payload;
5065 	struct inbound_queue_table *circularQ;
5066 
5067 	memset(&payload, 0, sizeof(payload));
5068 
5069 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5070 	if (rc)
5071 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk("Invalid tag"));
5072 
5073 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5074 	opc = OPC_INB_SET_PHY_PROFILE;
5075 
5076 	payload.tag = cpu_to_le32(tag);
5077 	payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
5078 				| (phy & 0xFF));
5079 
5080 	for (i = 0; i < length; i++)
5081 		payload.reserved[i] = cpu_to_le32(*(buf + i));
5082 
5083 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
5084 			sizeof(payload), 0);
5085 	if (rc)
5086 		pm8001_tag_free(pm8001_ha, tag);
5087 
5088 	PM8001_INIT_DBG(pm8001_ha,
5089 		pm8001_printk("PHY %d settings applied", phy));
5090 }
5091 const struct pm8001_dispatch pm8001_80xx_dispatch = {
5092 	.name			= "pmc80xx",
5093 	.chip_init		= pm80xx_chip_init,
5094 	.chip_soft_rst		= pm80xx_chip_soft_rst,
5095 	.chip_rst		= pm80xx_hw_chip_rst,
5096 	.chip_iounmap		= pm8001_chip_iounmap,
5097 	.isr			= pm80xx_chip_isr,
5098 	.is_our_interrupt	= pm80xx_chip_is_our_interrupt,
5099 	.isr_process_oq		= process_oq,
5100 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
5101 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
5102 	.make_prd		= pm8001_chip_make_sg,
5103 	.smp_req		= pm80xx_chip_smp_req,
5104 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
5105 	.sata_req		= pm80xx_chip_sata_req,
5106 	.phy_start_req		= pm80xx_chip_phy_start_req,
5107 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
5108 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
5109 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5110 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
5111 	.task_abort		= pm8001_chip_abort_task,
5112 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5113 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5114 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5115 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5116 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5117 };
5118