xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision 12eb4683)
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 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 / 4);
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 status = 1;
95 	u32 accum_len , reg_val, index, *temp;
96 	unsigned long start;
97 	u8 *direct_data;
98 	char *fatal_error_data = buf;
99 
100 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
101 	if (pm8001_ha->chip_id == chip_8001) {
102 		pm8001_ha->forensic_info.data_buf.direct_data +=
103 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
104 			"Not supported for SPC controller");
105 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
106 			(char *)buf;
107 	}
108 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
109 		PM8001_IO_DBG(pm8001_ha,
110 		pm8001_printk("forensic_info TYPE_NON_FATAL..............\n"));
111 		direct_data = (u8 *)fatal_error_data;
112 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
113 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
114 		pm8001_ha->forensic_info.data_buf.direct_offset = 0;
115 		pm8001_ha->forensic_info.data_buf.read_len = 0;
116 
117 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
118 	}
119 
120 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
121 		/* start to get data */
122 		/* Program the MEMBASE II Shifting Register with 0x00.*/
123 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
124 				pm8001_ha->fatal_forensic_shift_offset);
125 		pm8001_ha->forensic_last_offset = 0;
126 		pm8001_ha->forensic_fatal_step = 0;
127 		pm8001_ha->fatal_bar_loc = 0;
128 	}
129 	/* Read until accum_len is retrived */
130 	accum_len = pm8001_mr32(fatal_table_address,
131 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
132 	PM8001_IO_DBG(pm8001_ha, pm8001_printk("accum_len 0x%x\n",
133 						accum_len));
134 	if (accum_len == 0xFFFFFFFF) {
135 		PM8001_IO_DBG(pm8001_ha,
136 			pm8001_printk("Possible PCI issue 0x%x not expected\n",
137 				accum_len));
138 		return status;
139 	}
140 	if (accum_len == 0 || accum_len >= 0x100000) {
141 		pm8001_ha->forensic_info.data_buf.direct_data +=
142 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
143 				"%08x ", 0xFFFFFFFF);
144 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
145 			(char *)buf;
146 	}
147 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
148 	if (pm8001_ha->forensic_fatal_step == 0) {
149 moreData:
150 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
151 			/* Data is in bar, copy to host memory */
152 			pm80xx_pci_mem_copy(pm8001_ha, pm8001_ha->fatal_bar_loc,
153 			 pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
154 				pm8001_ha->forensic_info.data_buf.direct_len ,
155 					1);
156 		}
157 		pm8001_ha->fatal_bar_loc +=
158 			pm8001_ha->forensic_info.data_buf.direct_len;
159 		pm8001_ha->forensic_info.data_buf.direct_offset +=
160 			pm8001_ha->forensic_info.data_buf.direct_len;
161 		pm8001_ha->forensic_last_offset	+=
162 			pm8001_ha->forensic_info.data_buf.direct_len;
163 		pm8001_ha->forensic_info.data_buf.read_len =
164 			pm8001_ha->forensic_info.data_buf.direct_len;
165 
166 		if (pm8001_ha->forensic_last_offset  >= accum_len) {
167 			pm8001_ha->forensic_info.data_buf.direct_data +=
168 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
169 				"%08x ", 3);
170 			for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
171 				pm8001_ha->forensic_info.data_buf.direct_data +=
172 					sprintf(pm8001_ha->
173 					 forensic_info.data_buf.direct_data,
174 						"%08x ", *(temp + index));
175 			}
176 
177 			pm8001_ha->fatal_bar_loc = 0;
178 			pm8001_ha->forensic_fatal_step = 1;
179 			pm8001_ha->fatal_forensic_shift_offset = 0;
180 			pm8001_ha->forensic_last_offset	= 0;
181 			status = 0;
182 			return (char *)pm8001_ha->
183 				forensic_info.data_buf.direct_data -
184 				(char *)buf;
185 		}
186 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
187 			pm8001_ha->forensic_info.data_buf.direct_data +=
188 				sprintf(pm8001_ha->
189 					forensic_info.data_buf.direct_data,
190 					"%08x ", 2);
191 			for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
192 				pm8001_ha->forensic_info.data_buf.direct_data +=
193 					sprintf(pm8001_ha->
194 					forensic_info.data_buf.direct_data,
195 					"%08x ", *(temp + index));
196 			}
197 			status = 0;
198 			return (char *)pm8001_ha->
199 				forensic_info.data_buf.direct_data -
200 				(char *)buf;
201 		}
202 
203 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
204 		pm8001_ha->forensic_info.data_buf.direct_data +=
205 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
206 				"%08x ", 2);
207 		for (index = 0; index < 256; index++) {
208 			pm8001_ha->forensic_info.data_buf.direct_data +=
209 				sprintf(pm8001_ha->
210 					forensic_info.data_buf.direct_data,
211 						"%08x ", *(temp + index));
212 		}
213 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
214 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
215 			pm8001_ha->fatal_forensic_shift_offset);
216 		pm8001_ha->fatal_bar_loc = 0;
217 		status = 0;
218 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
219 			(char *)buf;
220 	}
221 	if (pm8001_ha->forensic_fatal_step == 1) {
222 		pm8001_ha->fatal_forensic_shift_offset = 0;
223 		/* Read 64K of the debug data. */
224 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
225 			pm8001_ha->fatal_forensic_shift_offset);
226 		pm8001_mw32(fatal_table_address,
227 			MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
228 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
229 
230 		/* Poll FDDHSHK  until clear  */
231 		start = jiffies + (2 * HZ); /* 2 sec */
232 
233 		do {
234 			reg_val = pm8001_mr32(fatal_table_address,
235 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
236 		} while ((reg_val) && time_before(jiffies, start));
237 
238 		if (reg_val != 0) {
239 			PM8001_FAIL_DBG(pm8001_ha,
240 			pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
241 			" = 0x%x\n", reg_val));
242 			return -1;
243 		}
244 
245 		/* Read the next 64K of the debug data. */
246 		pm8001_ha->forensic_fatal_step = 0;
247 		if (pm8001_mr32(fatal_table_address,
248 			MPI_FATAL_EDUMP_TABLE_STATUS) !=
249 				MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
250 			pm8001_mw32(fatal_table_address,
251 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE, 0);
252 			goto moreData;
253 		} else {
254 			pm8001_ha->forensic_info.data_buf.direct_data +=
255 				sprintf(pm8001_ha->
256 					forensic_info.data_buf.direct_data,
257 						"%08x ", 4);
258 			pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
259 			pm8001_ha->forensic_info.data_buf.direct_len =  0;
260 			pm8001_ha->forensic_info.data_buf.direct_offset = 0;
261 			pm8001_ha->forensic_info.data_buf.read_len = 0;
262 			status = 0;
263 		}
264 	}
265 
266 	return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
267 		(char *)buf;
268 }
269 
270 /**
271  * read_main_config_table - read the configure table and save it.
272  * @pm8001_ha: our hba card information
273  */
274 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
275 {
276 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
277 
278 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
279 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
280 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
281 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
282 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
283 		pm8001_mr32(address, MAIN_FW_REVISION);
284 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
285 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
286 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
287 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
288 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
289 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
290 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
291 		pm8001_mr32(address, MAIN_GST_OFFSET);
292 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
293 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
294 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
295 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
296 
297 	/* read Error Dump Offset and Length */
298 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
299 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
300 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
301 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
302 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
303 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
304 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
305 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
306 
307 	/* read GPIO LED settings from the configuration table */
308 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
309 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
310 
311 	/* read analog Setting offset from the configuration table */
312 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
313 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
314 
315 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
316 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
317 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
318 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
319 }
320 
321 /**
322  * read_general_status_table - read the general status table and save it.
323  * @pm8001_ha: our hba card information
324  */
325 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
326 {
327 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
328 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
329 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
330 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
331 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
332 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
333 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
334 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
335 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
336 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
337 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
338 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
339 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
340 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
341 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
342 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
343 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
344 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
345 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
346 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
347 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
348 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
349 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
350 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
351 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
352 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
353 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
354 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
355 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
356 }
357 /**
358  * read_phy_attr_table - read the phy attribute table and save it.
359  * @pm8001_ha: our hba card information
360  */
361 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
362 {
363 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
364 	pm8001_ha->phy_attr_table.phystart1_16[0] =
365 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
366 	pm8001_ha->phy_attr_table.phystart1_16[1] =
367 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
368 	pm8001_ha->phy_attr_table.phystart1_16[2] =
369 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
370 	pm8001_ha->phy_attr_table.phystart1_16[3] =
371 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
372 	pm8001_ha->phy_attr_table.phystart1_16[4] =
373 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
374 	pm8001_ha->phy_attr_table.phystart1_16[5] =
375 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
376 	pm8001_ha->phy_attr_table.phystart1_16[6] =
377 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
378 	pm8001_ha->phy_attr_table.phystart1_16[7] =
379 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
380 	pm8001_ha->phy_attr_table.phystart1_16[8] =
381 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
382 	pm8001_ha->phy_attr_table.phystart1_16[9] =
383 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
384 	pm8001_ha->phy_attr_table.phystart1_16[10] =
385 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
386 	pm8001_ha->phy_attr_table.phystart1_16[11] =
387 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
388 	pm8001_ha->phy_attr_table.phystart1_16[12] =
389 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
390 	pm8001_ha->phy_attr_table.phystart1_16[13] =
391 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
392 	pm8001_ha->phy_attr_table.phystart1_16[14] =
393 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
394 	pm8001_ha->phy_attr_table.phystart1_16[15] =
395 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
396 
397 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
398 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
399 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
400 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
401 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
402 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
403 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
404 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
405 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
406 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
407 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
408 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
409 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
410 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
411 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
412 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
413 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
414 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
415 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
416 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
417 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
418 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
419 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
420 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
421 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
422 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
423 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
424 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
425 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
426 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
427 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
428 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
429 
430 }
431 
432 /**
433  * read_inbnd_queue_table - read the inbound queue table and save it.
434  * @pm8001_ha: our hba card information
435  */
436 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
437 {
438 	int i;
439 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
440 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
441 		u32 offset = i * 0x20;
442 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
443 			get_pci_bar_index(pm8001_mr32(address,
444 				(offset + IB_PIPCI_BAR)));
445 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
446 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
447 	}
448 }
449 
450 /**
451  * read_outbnd_queue_table - read the outbound queue table and save it.
452  * @pm8001_ha: our hba card information
453  */
454 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
455 {
456 	int i;
457 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
458 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
459 		u32 offset = i * 0x24;
460 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
461 			get_pci_bar_index(pm8001_mr32(address,
462 				(offset + OB_CIPCI_BAR)));
463 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
464 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
465 	}
466 }
467 
468 /**
469  * init_default_table_values - init the default table.
470  * @pm8001_ha: our hba card information
471  */
472 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
473 {
474 	int i;
475 	u32 offsetib, offsetob;
476 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
477 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
478 
479 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
480 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
481 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
482 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
483 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
484 							PM8001_EVENT_LOG_SIZE;
485 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
486 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
487 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
488 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
489 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
490 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
491 							PM8001_EVENT_LOG_SIZE;
492 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
493 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
494 
495 	/* Disable end to end CRC checking */
496 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
497 
498 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
499 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
500 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
501 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
502 			pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
503 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
504 		pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
505 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
506 			(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
507 		pm8001_ha->inbnd_q_tbl[i].total_length		=
508 			pm8001_ha->memoryMap.region[IB + i].total_len;
509 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
510 			pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
511 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
512 			pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
513 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
514 			pm8001_ha->memoryMap.region[CI + i].virt_ptr;
515 		offsetib = i * 0x20;
516 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
517 			get_pci_bar_index(pm8001_mr32(addressib,
518 				(offsetib + 0x14)));
519 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
520 			pm8001_mr32(addressib, (offsetib + 0x18));
521 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
522 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
523 	}
524 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
525 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
526 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
527 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
528 			pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
529 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
530 			pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
531 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
532 			(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
533 		pm8001_ha->outbnd_q_tbl[i].total_length		=
534 			pm8001_ha->memoryMap.region[OB + i].total_len;
535 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
536 			pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
537 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
538 			pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
539 		/* interrupt vector based on oq */
540 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
541 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
542 			pm8001_ha->memoryMap.region[PI + i].virt_ptr;
543 		offsetob = i * 0x24;
544 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
545 			get_pci_bar_index(pm8001_mr32(addressob,
546 			offsetob + 0x14));
547 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
548 			pm8001_mr32(addressob, (offsetob + 0x18));
549 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
550 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
551 	}
552 }
553 
554 /**
555  * update_main_config_table - update the main default table to the HBA.
556  * @pm8001_ha: our hba card information
557  */
558 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
559 {
560 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
561 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
562 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
563 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
564 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
565 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
566 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
567 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
568 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
569 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
570 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
571 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
572 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
573 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
574 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
575 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
576 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
577 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
578 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
579 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
580 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
581 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
582 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
583 
584 	/* SPCv specific */
585 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
586 	/* Set GPIOLED to 0x2 for LED indicator */
587 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
588 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
589 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
590 
591 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
592 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
593 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
594 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
595 }
596 
597 /**
598  * update_inbnd_queue_table - update the inbound queue table to the HBA.
599  * @pm8001_ha: our hba card information
600  */
601 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
602 					 int number)
603 {
604 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
605 	u16 offset = number * 0x20;
606 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
607 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
608 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
609 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
610 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
611 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
612 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
613 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
614 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
615 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
616 }
617 
618 /**
619  * update_outbnd_queue_table - update the outbound queue table to the HBA.
620  * @pm8001_ha: our hba card information
621  */
622 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
623 						 int number)
624 {
625 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
626 	u16 offset = number * 0x24;
627 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
628 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
629 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
630 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
631 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
632 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
633 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
634 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
635 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
636 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
637 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
638 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
639 }
640 
641 /**
642  * mpi_init_check - check firmware initialization status.
643  * @pm8001_ha: our hba card information
644  */
645 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
646 {
647 	u32 max_wait_count;
648 	u32 value;
649 	u32 gst_len_mpistate;
650 
651 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
652 	table is updated */
653 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
654 	/* wait until Inbound DoorBell Clear Register toggled */
655 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
656 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
657 	} else {
658 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
659 	}
660 	do {
661 		udelay(1);
662 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
663 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
664 	} while ((value != 0) && (--max_wait_count));
665 
666 	if (!max_wait_count)
667 		return -1;
668 	/* check the MPI-State for initialization upto 100ms*/
669 	max_wait_count = 100 * 1000;/* 100 msec */
670 	do {
671 		udelay(1);
672 		gst_len_mpistate =
673 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
674 					GST_GSTLEN_MPIS_OFFSET);
675 	} while ((GST_MPI_STATE_INIT !=
676 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
677 	if (!max_wait_count)
678 		return -1;
679 
680 	/* check MPI Initialization error */
681 	gst_len_mpistate = gst_len_mpistate >> 16;
682 	if (0x0000 != gst_len_mpistate)
683 		return -1;
684 
685 	return 0;
686 }
687 
688 /**
689  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
690  * @pm8001_ha: our hba card information
691  */
692 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
693 {
694 	u32 value;
695 	u32 max_wait_count;
696 	u32 max_wait_time;
697 	int ret = 0;
698 
699 	/* reset / PCIe ready */
700 	max_wait_time = max_wait_count = 100 * 1000;	/* 100 milli sec */
701 	do {
702 		udelay(1);
703 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
704 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
705 
706 	/* check ila status */
707 	max_wait_time = max_wait_count = 1000 * 1000;	/* 1000 milli sec */
708 	do {
709 		udelay(1);
710 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
711 	} while (((value & SCRATCH_PAD_ILA_READY) !=
712 			SCRATCH_PAD_ILA_READY) && (--max_wait_count));
713 	if (!max_wait_count)
714 		ret = -1;
715 	else {
716 		PM8001_MSG_DBG(pm8001_ha,
717 			pm8001_printk(" ila ready status in %d millisec\n",
718 				(max_wait_time - max_wait_count)));
719 	}
720 
721 	/* check RAAE status */
722 	max_wait_time = max_wait_count = 1800 * 1000;	/* 1800 milli sec */
723 	do {
724 		udelay(1);
725 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
726 	} while (((value & SCRATCH_PAD_RAAE_READY) !=
727 				SCRATCH_PAD_RAAE_READY) && (--max_wait_count));
728 	if (!max_wait_count)
729 		ret = -1;
730 	else {
731 		PM8001_MSG_DBG(pm8001_ha,
732 			pm8001_printk(" raae ready status in %d millisec\n",
733 					(max_wait_time - max_wait_count)));
734 	}
735 
736 	/* check iop0 status */
737 	max_wait_time = max_wait_count = 600 * 1000;	/* 600 milli sec */
738 	do {
739 		udelay(1);
740 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
741 	} while (((value & SCRATCH_PAD_IOP0_READY) != SCRATCH_PAD_IOP0_READY) &&
742 			(--max_wait_count));
743 	if (!max_wait_count)
744 		ret = -1;
745 	else {
746 		PM8001_MSG_DBG(pm8001_ha,
747 			pm8001_printk(" iop0 ready status in %d millisec\n",
748 				(max_wait_time - max_wait_count)));
749 	}
750 
751 	/* check iop1 status only for 16 port controllers */
752 	if ((pm8001_ha->chip_id != chip_8008) &&
753 			(pm8001_ha->chip_id != chip_8009)) {
754 		/* 200 milli sec */
755 		max_wait_time = max_wait_count = 200 * 1000;
756 		do {
757 			udelay(1);
758 			value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
759 		} while (((value & SCRATCH_PAD_IOP1_READY) !=
760 				SCRATCH_PAD_IOP1_READY) && (--max_wait_count));
761 		if (!max_wait_count)
762 			ret = -1;
763 		else {
764 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
765 				"iop1 ready status in %d millisec\n",
766 				(max_wait_time - max_wait_count)));
767 		}
768 	}
769 
770 	return ret;
771 }
772 
773 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
774 {
775 	void __iomem *base_addr;
776 	u32	value;
777 	u32	offset;
778 	u32	pcibar;
779 	u32	pcilogic;
780 
781 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
782 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
783 
784 	PM8001_INIT_DBG(pm8001_ha,
785 		pm8001_printk("Scratchpad 0 Offset: 0x%x value 0x%x\n",
786 				offset, value));
787 	pcilogic = (value & 0xFC000000) >> 26;
788 	pcibar = get_pci_bar_index(pcilogic);
789 	PM8001_INIT_DBG(pm8001_ha,
790 		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
791 	pm8001_ha->main_cfg_tbl_addr = base_addr =
792 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
793 	pm8001_ha->general_stat_tbl_addr =
794 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
795 					0xFFFFFF);
796 	pm8001_ha->inbnd_q_tbl_addr =
797 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
798 					0xFFFFFF);
799 	pm8001_ha->outbnd_q_tbl_addr =
800 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
801 					0xFFFFFF);
802 	pm8001_ha->ivt_tbl_addr =
803 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
804 					0xFFFFFF);
805 	pm8001_ha->pspa_q_tbl_addr =
806 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
807 					0xFFFFFF);
808 	pm8001_ha->fatal_tbl_addr =
809 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
810 					0xFFFFFF);
811 
812 	PM8001_INIT_DBG(pm8001_ha,
813 			pm8001_printk("GST OFFSET 0x%x\n",
814 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x18)));
815 	PM8001_INIT_DBG(pm8001_ha,
816 			pm8001_printk("INBND OFFSET 0x%x\n",
817 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C)));
818 	PM8001_INIT_DBG(pm8001_ha,
819 			pm8001_printk("OBND OFFSET 0x%x\n",
820 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x20)));
821 	PM8001_INIT_DBG(pm8001_ha,
822 			pm8001_printk("IVT OFFSET 0x%x\n",
823 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C)));
824 	PM8001_INIT_DBG(pm8001_ha,
825 			pm8001_printk("PSPA OFFSET 0x%x\n",
826 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x90)));
827 	PM8001_INIT_DBG(pm8001_ha,
828 			pm8001_printk("addr - main cfg %p general status %p\n",
829 			pm8001_ha->main_cfg_tbl_addr,
830 			pm8001_ha->general_stat_tbl_addr));
831 	PM8001_INIT_DBG(pm8001_ha,
832 			pm8001_printk("addr - inbnd %p obnd %p\n",
833 			pm8001_ha->inbnd_q_tbl_addr,
834 			pm8001_ha->outbnd_q_tbl_addr));
835 	PM8001_INIT_DBG(pm8001_ha,
836 			pm8001_printk("addr - pspa %p ivt %p\n",
837 			pm8001_ha->pspa_q_tbl_addr,
838 			pm8001_ha->ivt_tbl_addr));
839 }
840 
841 /**
842  * pm80xx_set_thermal_config - support the thermal configuration
843  * @pm8001_ha: our hba card information.
844  */
845 int
846 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
847 {
848 	struct set_ctrl_cfg_req payload;
849 	struct inbound_queue_table *circularQ;
850 	int rc;
851 	u32 tag;
852 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
853 
854 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
855 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
856 	if (rc)
857 		return -1;
858 
859 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
860 	payload.tag = cpu_to_le32(tag);
861 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
862 			(THERMAL_ENABLE << 8) | THERMAL_OP_CODE;
863 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
864 
865 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
866 	return rc;
867 
868 }
869 
870 /**
871 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
872 * Timer configuration page
873 * @pm8001_ha: our hba card information.
874 */
875 static int
876 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
877 {
878 	struct set_ctrl_cfg_req payload;
879 	struct inbound_queue_table *circularQ;
880 	SASProtocolTimerConfig_t SASConfigPage;
881 	int rc;
882 	u32 tag;
883 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
884 
885 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
886 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
887 
888 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
889 
890 	if (rc)
891 		return -1;
892 
893 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
894 	payload.tag = cpu_to_le32(tag);
895 
896 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
897 	SASConfigPage.MST_MSI         =  3 << 15;
898 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
899 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
900 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
901 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
902 
903 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
904 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
905 
906 
907 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
908 						SAS_OPNRJT_RTRY_INTVL;
909 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
910 						| SAS_COPNRJT_RTRY_TMO;
911 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
912 						| SAS_COPNRJT_RTRY_THR;
913 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
914 
915 	PM8001_INIT_DBG(pm8001_ha,
916 			pm8001_printk("SASConfigPage.pageCode "
917 			"0x%08x\n", SASConfigPage.pageCode));
918 	PM8001_INIT_DBG(pm8001_ha,
919 			pm8001_printk("SASConfigPage.MST_MSI "
920 			" 0x%08x\n", SASConfigPage.MST_MSI));
921 	PM8001_INIT_DBG(pm8001_ha,
922 			pm8001_printk("SASConfigPage.STP_SSP_MCT_TMO "
923 			" 0x%08x\n", SASConfigPage.STP_SSP_MCT_TMO));
924 	PM8001_INIT_DBG(pm8001_ha,
925 			pm8001_printk("SASConfigPage.STP_FRM_TMO "
926 			" 0x%08x\n", SASConfigPage.STP_FRM_TMO));
927 	PM8001_INIT_DBG(pm8001_ha,
928 			pm8001_printk("SASConfigPage.STP_IDLE_TMO "
929 			" 0x%08x\n", SASConfigPage.STP_IDLE_TMO));
930 	PM8001_INIT_DBG(pm8001_ha,
931 			pm8001_printk("SASConfigPage.OPNRJT_RTRY_INTVL "
932 			" 0x%08x\n", SASConfigPage.OPNRJT_RTRY_INTVL));
933 	PM8001_INIT_DBG(pm8001_ha,
934 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO "
935 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
936 	PM8001_INIT_DBG(pm8001_ha,
937 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR "
938 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
939 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("SASConfigPage.MAX_AIP "
940 			" 0x%08x\n", SASConfigPage.MAX_AIP));
941 
942 	memcpy(&payload.cfg_pg, &SASConfigPage,
943 			 sizeof(SASProtocolTimerConfig_t));
944 
945 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
946 
947 	return rc;
948 }
949 
950 /**
951  * pm80xx_get_encrypt_info - Check for encryption
952  * @pm8001_ha: our hba card information.
953  */
954 static int
955 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
956 {
957 	u32 scratch3_value;
958 	int ret;
959 
960 	/* Read encryption status from SCRATCH PAD 3 */
961 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
962 
963 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
964 					SCRATCH_PAD3_ENC_READY) {
965 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
966 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
967 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
968 						SCRATCH_PAD3_SMF_ENABLED)
969 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
970 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
971 						SCRATCH_PAD3_SMA_ENABLED)
972 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
973 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
974 						SCRATCH_PAD3_SMB_ENABLED)
975 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
976 		pm8001_ha->encrypt_info.status = 0;
977 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
978 			"Encryption: SCRATCH_PAD3_ENC_READY 0x%08X."
979 			"Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
980 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
981 			pm8001_ha->encrypt_info.sec_mode,
982 			pm8001_ha->encrypt_info.status));
983 		ret = 0;
984 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
985 					SCRATCH_PAD3_ENC_DISABLED) {
986 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
987 			"Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
988 			scratch3_value));
989 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
990 		pm8001_ha->encrypt_info.cipher_mode = 0;
991 		pm8001_ha->encrypt_info.sec_mode = 0;
992 		return 0;
993 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
994 				SCRATCH_PAD3_ENC_DIS_ERR) {
995 		pm8001_ha->encrypt_info.status =
996 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
997 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
998 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
999 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1000 					SCRATCH_PAD3_SMF_ENABLED)
1001 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1002 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1003 					SCRATCH_PAD3_SMA_ENABLED)
1004 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1005 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1006 					SCRATCH_PAD3_SMB_ENABLED)
1007 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1008 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1009 			"Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X."
1010 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1011 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1012 			pm8001_ha->encrypt_info.sec_mode,
1013 			pm8001_ha->encrypt_info.status));
1014 		ret = -1;
1015 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1016 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1017 
1018 		pm8001_ha->encrypt_info.status =
1019 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1020 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1021 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1022 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1023 					SCRATCH_PAD3_SMF_ENABLED)
1024 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1025 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1026 					SCRATCH_PAD3_SMA_ENABLED)
1027 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1028 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1029 					SCRATCH_PAD3_SMB_ENABLED)
1030 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1031 
1032 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1033 			"Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X."
1034 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1035 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1036 			pm8001_ha->encrypt_info.sec_mode,
1037 			pm8001_ha->encrypt_info.status));
1038 		ret = -1;
1039 	}
1040 	return ret;
1041 }
1042 
1043 /**
1044  * pm80xx_encrypt_update - update flash with encryption informtion
1045  * @pm8001_ha: our hba card information.
1046  */
1047 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1048 {
1049 	struct kek_mgmt_req payload;
1050 	struct inbound_queue_table *circularQ;
1051 	int rc;
1052 	u32 tag;
1053 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1054 
1055 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1056 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1057 	if (rc)
1058 		return -1;
1059 
1060 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1061 	payload.tag = cpu_to_le32(tag);
1062 	/* Currently only one key is used. New KEK index is 1.
1063 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1064 	 */
1065 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1066 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1067 
1068 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
1069 
1070 	return rc;
1071 }
1072 
1073 /**
1074  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
1075  * @pm8001_ha: our hba card information
1076  */
1077 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1078 {
1079 	int ret;
1080 	u8 i = 0;
1081 
1082 	/* check the firmware status */
1083 	if (-1 == check_fw_ready(pm8001_ha)) {
1084 		PM8001_FAIL_DBG(pm8001_ha,
1085 			pm8001_printk("Firmware is not ready!\n"));
1086 		return -EBUSY;
1087 	}
1088 
1089 	/* Initialize pci space address eg: mpi offset */
1090 	init_pci_device_addresses(pm8001_ha);
1091 	init_default_table_values(pm8001_ha);
1092 	read_main_config_table(pm8001_ha);
1093 	read_general_status_table(pm8001_ha);
1094 	read_inbnd_queue_table(pm8001_ha);
1095 	read_outbnd_queue_table(pm8001_ha);
1096 	read_phy_attr_table(pm8001_ha);
1097 
1098 	/* update main config table ,inbound table and outbound table */
1099 	update_main_config_table(pm8001_ha);
1100 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++)
1101 		update_inbnd_queue_table(pm8001_ha, i);
1102 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++)
1103 		update_outbnd_queue_table(pm8001_ha, i);
1104 
1105 	/* notify firmware update finished and check initialization status */
1106 	if (0 == mpi_init_check(pm8001_ha)) {
1107 		PM8001_INIT_DBG(pm8001_ha,
1108 			pm8001_printk("MPI initialize successful!\n"));
1109 	} else
1110 		return -EBUSY;
1111 
1112 	/* send SAS protocol timer configuration page to FW */
1113 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1114 
1115 	/* Check for encryption */
1116 	if (pm8001_ha->chip->encrypt) {
1117 		PM8001_INIT_DBG(pm8001_ha,
1118 			pm8001_printk("Checking for encryption\n"));
1119 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1120 		if (ret == -1) {
1121 			PM8001_INIT_DBG(pm8001_ha,
1122 				pm8001_printk("Encryption error !!\n"));
1123 			if (pm8001_ha->encrypt_info.status == 0x81) {
1124 				PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1125 					"Encryption enabled with error."
1126 					"Saving encryption key to flash\n"));
1127 				pm80xx_encrypt_update(pm8001_ha);
1128 			}
1129 		}
1130 	}
1131 	return 0;
1132 }
1133 
1134 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1135 {
1136 	u32 max_wait_count;
1137 	u32 value;
1138 	u32 gst_len_mpistate;
1139 	init_pci_device_addresses(pm8001_ha);
1140 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1141 	table is stop */
1142 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1143 
1144 	/* wait until Inbound DoorBell Clear Register toggled */
1145 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1146 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
1147 	} else {
1148 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1149 	}
1150 	do {
1151 		udelay(1);
1152 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1153 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1154 	} while ((value != 0) && (--max_wait_count));
1155 
1156 	if (!max_wait_count) {
1157 		PM8001_FAIL_DBG(pm8001_ha,
1158 			pm8001_printk("TIMEOUT:IBDB value/=%x\n", value));
1159 		return -1;
1160 	}
1161 
1162 	/* check the MPI-State for termination in progress */
1163 	/* wait until Inbound DoorBell Clear Register toggled */
1164 	max_wait_count = 2 * 1000 * 1000;	/* 2 sec for spcv/ve */
1165 	do {
1166 		udelay(1);
1167 		gst_len_mpistate =
1168 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1169 			GST_GSTLEN_MPIS_OFFSET);
1170 		if (GST_MPI_STATE_UNINIT ==
1171 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1172 			break;
1173 	} while (--max_wait_count);
1174 	if (!max_wait_count) {
1175 		PM8001_FAIL_DBG(pm8001_ha,
1176 			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
1177 				gst_len_mpistate & GST_MPI_STATE_MASK));
1178 		return -1;
1179 	}
1180 
1181 	return 0;
1182 }
1183 
1184 /**
1185  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
1186  * the FW register status to the originated status.
1187  * @pm8001_ha: our hba card information
1188  */
1189 
1190 static int
1191 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1192 {
1193 	u32 regval;
1194 	u32 bootloader_state;
1195 	u32 ibutton0, ibutton1;
1196 
1197 	/* Check if MPI is in ready state to reset */
1198 	if (mpi_uninit_check(pm8001_ha) != 0) {
1199 		PM8001_FAIL_DBG(pm8001_ha,
1200 			pm8001_printk("MPI state is not ready\n"));
1201 		return -1;
1202 	}
1203 
1204 	/* checked for reset register normal state; 0x0 */
1205 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1206 	PM8001_INIT_DBG(pm8001_ha,
1207 		pm8001_printk("reset register before write : 0x%x\n", regval));
1208 
1209 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1210 	mdelay(500);
1211 
1212 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1213 	PM8001_INIT_DBG(pm8001_ha,
1214 	pm8001_printk("reset register after write 0x%x\n", regval));
1215 
1216 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1217 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1218 		PM8001_MSG_DBG(pm8001_ha,
1219 			pm8001_printk(" soft reset successful [regval: 0x%x]\n",
1220 					regval));
1221 	} else {
1222 		PM8001_MSG_DBG(pm8001_ha,
1223 			pm8001_printk(" soft reset failed [regval: 0x%x]\n",
1224 					regval));
1225 
1226 		/* check bootloader is successfully executed or in HDA mode */
1227 		bootloader_state =
1228 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1229 			SCRATCH_PAD1_BOOTSTATE_MASK;
1230 
1231 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1232 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1233 				"Bootloader state - HDA mode SEEPROM\n"));
1234 		} else if (bootloader_state ==
1235 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1236 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1237 				"Bootloader state - HDA mode Bootstrap Pin\n"));
1238 		} else if (bootloader_state ==
1239 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1240 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1241 				"Bootloader state - HDA mode soft reset\n"));
1242 		} else if (bootloader_state ==
1243 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1244 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1245 				"Bootloader state-HDA mode critical error\n"));
1246 		}
1247 		return -EBUSY;
1248 	}
1249 
1250 	/* check the firmware status after reset */
1251 	if (-1 == check_fw_ready(pm8001_ha)) {
1252 		PM8001_FAIL_DBG(pm8001_ha,
1253 			pm8001_printk("Firmware is not ready!\n"));
1254 		/* check iButton feature support for motherboard controller */
1255 		if (pm8001_ha->pdev->subsystem_vendor !=
1256 			PCI_VENDOR_ID_ADAPTEC2 &&
1257 			pm8001_ha->pdev->subsystem_vendor != 0) {
1258 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1259 					MSGU_HOST_SCRATCH_PAD_6);
1260 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1261 					MSGU_HOST_SCRATCH_PAD_7);
1262 			if (!ibutton0 && !ibutton1) {
1263 				PM8001_FAIL_DBG(pm8001_ha,
1264 					pm8001_printk("iButton Feature is"
1265 					" not Available!!!\n"));
1266 				return -EBUSY;
1267 			}
1268 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1269 				PM8001_FAIL_DBG(pm8001_ha,
1270 					pm8001_printk("CRC Check for iButton"
1271 					" Feature Failed!!!\n"));
1272 				return -EBUSY;
1273 			}
1274 		}
1275 	}
1276 	PM8001_INIT_DBG(pm8001_ha,
1277 		pm8001_printk("SPCv soft reset Complete\n"));
1278 	return 0;
1279 }
1280 
1281 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1282 {
1283 	 u32 i;
1284 
1285 	PM8001_INIT_DBG(pm8001_ha,
1286 		pm8001_printk("chip reset start\n"));
1287 
1288 	/* do SPCv chip reset. */
1289 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1290 	PM8001_INIT_DBG(pm8001_ha,
1291 		pm8001_printk("SPC soft reset Complete\n"));
1292 
1293 	/* Check this ..whether delay is required or no */
1294 	/* delay 10 usec */
1295 	udelay(10);
1296 
1297 	/* wait for 20 msec until the firmware gets reloaded */
1298 	i = 20;
1299 	do {
1300 		mdelay(1);
1301 	} while ((--i) != 0);
1302 
1303 	PM8001_INIT_DBG(pm8001_ha,
1304 		pm8001_printk("chip reset finished\n"));
1305 }
1306 
1307 /**
1308  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1309  * @pm8001_ha: our hba card information
1310  */
1311 static void
1312 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1313 {
1314 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1315 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1316 }
1317 
1318 /**
1319  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1320  * @pm8001_ha: our hba card information
1321  */
1322 static void
1323 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1324 {
1325 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1326 }
1327 
1328 /**
1329  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1330  * @pm8001_ha: our hba card information
1331  */
1332 static void
1333 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1334 {
1335 #ifdef PM8001_USE_MSIX
1336 	u32 mask;
1337 	mask = (u32)(1 << vec);
1338 
1339 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1340 	return;
1341 #endif
1342 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1343 
1344 }
1345 
1346 /**
1347  * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1348  * @pm8001_ha: our hba card information
1349  */
1350 static void
1351 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1352 {
1353 #ifdef PM8001_USE_MSIX
1354 	u32 mask;
1355 	if (vec == 0xFF)
1356 		mask = 0xFFFFFFFF;
1357 	else
1358 		mask = (u32)(1 << vec);
1359 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1360 	return;
1361 #endif
1362 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1363 }
1364 
1365 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1366 		struct pm8001_device *pm8001_ha_dev)
1367 {
1368 	int res;
1369 	u32 ccb_tag;
1370 	struct pm8001_ccb_info *ccb;
1371 	struct sas_task *task = NULL;
1372 	struct task_abort_req task_abort;
1373 	struct inbound_queue_table *circularQ;
1374 	u32 opc = OPC_INB_SATA_ABORT;
1375 	int ret;
1376 
1377 	if (!pm8001_ha_dev) {
1378 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1379 		return;
1380 	}
1381 
1382 	task = sas_alloc_slow_task(GFP_ATOMIC);
1383 
1384 	if (!task) {
1385 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1386 						"allocate task\n"));
1387 		return;
1388 	}
1389 
1390 	task->task_done = pm8001_task_done;
1391 
1392 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1393 	if (res)
1394 		return;
1395 
1396 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1397 	ccb->device = pm8001_ha_dev;
1398 	ccb->ccb_tag = ccb_tag;
1399 	ccb->task = task;
1400 
1401 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1402 
1403 	memset(&task_abort, 0, sizeof(task_abort));
1404 	task_abort.abort_all = cpu_to_le32(1);
1405 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1406 	task_abort.tag = cpu_to_le32(ccb_tag);
1407 
1408 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
1409 
1410 }
1411 
1412 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1413 		struct pm8001_device *pm8001_ha_dev)
1414 {
1415 	struct sata_start_req sata_cmd;
1416 	int res;
1417 	u32 ccb_tag;
1418 	struct pm8001_ccb_info *ccb;
1419 	struct sas_task *task = NULL;
1420 	struct host_to_dev_fis fis;
1421 	struct domain_device *dev;
1422 	struct inbound_queue_table *circularQ;
1423 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1424 
1425 	task = sas_alloc_slow_task(GFP_ATOMIC);
1426 
1427 	if (!task) {
1428 		PM8001_FAIL_DBG(pm8001_ha,
1429 			pm8001_printk("cannot allocate task !!!\n"));
1430 		return;
1431 	}
1432 	task->task_done = pm8001_task_done;
1433 
1434 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1435 	if (res) {
1436 		PM8001_FAIL_DBG(pm8001_ha,
1437 			pm8001_printk("cannot allocate tag !!!\n"));
1438 		return;
1439 	}
1440 
1441 	/* allocate domain device by ourselves as libsas
1442 	 * is not going to provide any
1443 	*/
1444 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1445 	if (!dev) {
1446 		PM8001_FAIL_DBG(pm8001_ha,
1447 			pm8001_printk("Domain device cannot be allocated\n"));
1448 		sas_free_task(task);
1449 		return;
1450 	} else {
1451 		task->dev = dev;
1452 		task->dev->lldd_dev = pm8001_ha_dev;
1453 	}
1454 
1455 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1456 	ccb->device = pm8001_ha_dev;
1457 	ccb->ccb_tag = ccb_tag;
1458 	ccb->task = task;
1459 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1460 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1461 
1462 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1463 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1464 
1465 	/* construct read log FIS */
1466 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1467 	fis.fis_type = 0x27;
1468 	fis.flags = 0x80;
1469 	fis.command = ATA_CMD_READ_LOG_EXT;
1470 	fis.lbal = 0x10;
1471 	fis.sector_count = 0x1;
1472 
1473 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1474 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1475 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1476 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1477 
1478 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
1479 
1480 }
1481 
1482 /**
1483  * mpi_ssp_completion- process the event that FW response to the SSP request.
1484  * @pm8001_ha: our hba card information
1485  * @piomb: the message contents of this outbound message.
1486  *
1487  * When FW has completed a ssp request for example a IO request, after it has
1488  * filled the SG data with the data, it will trigger this event represent
1489  * that he has finished the job,please check the coresponding buffer.
1490  * So we will tell the caller who maybe waiting the result to tell upper layer
1491  * that the task has been finished.
1492  */
1493 static void
1494 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1495 {
1496 	struct sas_task *t;
1497 	struct pm8001_ccb_info *ccb;
1498 	unsigned long flags;
1499 	u32 status;
1500 	u32 param;
1501 	u32 tag;
1502 	struct ssp_completion_resp *psspPayload;
1503 	struct task_status_struct *ts;
1504 	struct ssp_response_iu *iu;
1505 	struct pm8001_device *pm8001_dev;
1506 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1507 	status = le32_to_cpu(psspPayload->status);
1508 	tag = le32_to_cpu(psspPayload->tag);
1509 	ccb = &pm8001_ha->ccb_info[tag];
1510 	if ((status == IO_ABORTED) && ccb->open_retry) {
1511 		/* Being completed by another */
1512 		ccb->open_retry = 0;
1513 		return;
1514 	}
1515 	pm8001_dev = ccb->device;
1516 	param = le32_to_cpu(psspPayload->param);
1517 	t = ccb->task;
1518 
1519 	if (status && status != IO_UNDERFLOW)
1520 		PM8001_FAIL_DBG(pm8001_ha,
1521 			pm8001_printk("sas IO status 0x%x\n", status));
1522 	if (unlikely(!t || !t->lldd_task || !t->dev))
1523 		return;
1524 	ts = &t->task_status;
1525 	/* Print sas address of IO failed device */
1526 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1527 		(status != IO_UNDERFLOW))
1528 		PM8001_FAIL_DBG(pm8001_ha,
1529 			pm8001_printk("SAS Address of IO Failure Drive"
1530 			":%016llx", SAS_ADDR(t->dev->sas_addr)));
1531 
1532 	switch (status) {
1533 	case IO_SUCCESS:
1534 		PM8001_IO_DBG(pm8001_ha,
1535 			pm8001_printk("IO_SUCCESS ,param = 0x%x\n",
1536 				param));
1537 		if (param == 0) {
1538 			ts->resp = SAS_TASK_COMPLETE;
1539 			ts->stat = SAM_STAT_GOOD;
1540 		} else {
1541 			ts->resp = SAS_TASK_COMPLETE;
1542 			ts->stat = SAS_PROTO_RESPONSE;
1543 			ts->residual = param;
1544 			iu = &psspPayload->ssp_resp_iu;
1545 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1546 		}
1547 		if (pm8001_dev)
1548 			pm8001_dev->running_req--;
1549 		break;
1550 	case IO_ABORTED:
1551 		PM8001_IO_DBG(pm8001_ha,
1552 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1553 		ts->resp = SAS_TASK_COMPLETE;
1554 		ts->stat = SAS_ABORTED_TASK;
1555 		break;
1556 	case IO_UNDERFLOW:
1557 		/* SSP Completion with error */
1558 		PM8001_IO_DBG(pm8001_ha,
1559 			pm8001_printk("IO_UNDERFLOW ,param = 0x%x\n",
1560 				param));
1561 		ts->resp = SAS_TASK_COMPLETE;
1562 		ts->stat = SAS_DATA_UNDERRUN;
1563 		ts->residual = param;
1564 		if (pm8001_dev)
1565 			pm8001_dev->running_req--;
1566 		break;
1567 	case IO_NO_DEVICE:
1568 		PM8001_IO_DBG(pm8001_ha,
1569 			pm8001_printk("IO_NO_DEVICE\n"));
1570 		ts->resp = SAS_TASK_UNDELIVERED;
1571 		ts->stat = SAS_PHY_DOWN;
1572 		break;
1573 	case IO_XFER_ERROR_BREAK:
1574 		PM8001_IO_DBG(pm8001_ha,
1575 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1576 		ts->resp = SAS_TASK_COMPLETE;
1577 		ts->stat = SAS_OPEN_REJECT;
1578 		/* Force the midlayer to retry */
1579 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1580 		break;
1581 	case IO_XFER_ERROR_PHY_NOT_READY:
1582 		PM8001_IO_DBG(pm8001_ha,
1583 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1584 		ts->resp = SAS_TASK_COMPLETE;
1585 		ts->stat = SAS_OPEN_REJECT;
1586 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1587 		break;
1588 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1589 		PM8001_IO_DBG(pm8001_ha,
1590 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1591 		ts->resp = SAS_TASK_COMPLETE;
1592 		ts->stat = SAS_OPEN_REJECT;
1593 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1594 		break;
1595 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1596 		PM8001_IO_DBG(pm8001_ha,
1597 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1598 		ts->resp = SAS_TASK_COMPLETE;
1599 		ts->stat = SAS_OPEN_REJECT;
1600 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1601 		break;
1602 	case IO_OPEN_CNX_ERROR_BREAK:
1603 		PM8001_IO_DBG(pm8001_ha,
1604 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1605 		ts->resp = SAS_TASK_COMPLETE;
1606 		ts->stat = SAS_OPEN_REJECT;
1607 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1608 		break;
1609 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1610 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1611 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1612 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1613 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1614 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1615 		PM8001_IO_DBG(pm8001_ha,
1616 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1617 		ts->resp = SAS_TASK_COMPLETE;
1618 		ts->stat = SAS_OPEN_REJECT;
1619 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1620 		if (!t->uldd_task)
1621 			pm8001_handle_event(pm8001_ha,
1622 				pm8001_dev,
1623 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1624 		break;
1625 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1626 		PM8001_IO_DBG(pm8001_ha,
1627 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1628 		ts->resp = SAS_TASK_COMPLETE;
1629 		ts->stat = SAS_OPEN_REJECT;
1630 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1631 		break;
1632 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1633 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1634 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1635 		ts->resp = SAS_TASK_COMPLETE;
1636 		ts->stat = SAS_OPEN_REJECT;
1637 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1638 		break;
1639 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1640 		PM8001_IO_DBG(pm8001_ha,
1641 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1642 		ts->resp = SAS_TASK_UNDELIVERED;
1643 		ts->stat = SAS_OPEN_REJECT;
1644 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1645 		break;
1646 	case IO_XFER_ERROR_NAK_RECEIVED:
1647 		PM8001_IO_DBG(pm8001_ha,
1648 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1649 		ts->resp = SAS_TASK_COMPLETE;
1650 		ts->stat = SAS_OPEN_REJECT;
1651 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1652 		break;
1653 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1654 		PM8001_IO_DBG(pm8001_ha,
1655 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1656 		ts->resp = SAS_TASK_COMPLETE;
1657 		ts->stat = SAS_NAK_R_ERR;
1658 		break;
1659 	case IO_XFER_ERROR_DMA:
1660 		PM8001_IO_DBG(pm8001_ha,
1661 		pm8001_printk("IO_XFER_ERROR_DMA\n"));
1662 		ts->resp = SAS_TASK_COMPLETE;
1663 		ts->stat = SAS_OPEN_REJECT;
1664 		break;
1665 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1666 		PM8001_IO_DBG(pm8001_ha,
1667 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1668 		ts->resp = SAS_TASK_COMPLETE;
1669 		ts->stat = SAS_OPEN_REJECT;
1670 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1671 		break;
1672 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1673 		PM8001_IO_DBG(pm8001_ha,
1674 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1675 		ts->resp = SAS_TASK_COMPLETE;
1676 		ts->stat = SAS_OPEN_REJECT;
1677 		break;
1678 	case IO_PORT_IN_RESET:
1679 		PM8001_IO_DBG(pm8001_ha,
1680 			pm8001_printk("IO_PORT_IN_RESET\n"));
1681 		ts->resp = SAS_TASK_COMPLETE;
1682 		ts->stat = SAS_OPEN_REJECT;
1683 		break;
1684 	case IO_DS_NON_OPERATIONAL:
1685 		PM8001_IO_DBG(pm8001_ha,
1686 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1687 		ts->resp = SAS_TASK_COMPLETE;
1688 		ts->stat = SAS_OPEN_REJECT;
1689 		if (!t->uldd_task)
1690 			pm8001_handle_event(pm8001_ha,
1691 				pm8001_dev,
1692 				IO_DS_NON_OPERATIONAL);
1693 		break;
1694 	case IO_DS_IN_RECOVERY:
1695 		PM8001_IO_DBG(pm8001_ha,
1696 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
1697 		ts->resp = SAS_TASK_COMPLETE;
1698 		ts->stat = SAS_OPEN_REJECT;
1699 		break;
1700 	case IO_TM_TAG_NOT_FOUND:
1701 		PM8001_IO_DBG(pm8001_ha,
1702 			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1703 		ts->resp = SAS_TASK_COMPLETE;
1704 		ts->stat = SAS_OPEN_REJECT;
1705 		break;
1706 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1707 		PM8001_IO_DBG(pm8001_ha,
1708 			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1709 		ts->resp = SAS_TASK_COMPLETE;
1710 		ts->stat = SAS_OPEN_REJECT;
1711 		break;
1712 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1713 		PM8001_IO_DBG(pm8001_ha,
1714 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1715 		ts->resp = SAS_TASK_COMPLETE;
1716 		ts->stat = SAS_OPEN_REJECT;
1717 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1718 		break;
1719 	default:
1720 		PM8001_IO_DBG(pm8001_ha,
1721 			pm8001_printk("Unknown status 0x%x\n", status));
1722 		/* not allowed case. Therefore, return failed status */
1723 		ts->resp = SAS_TASK_COMPLETE;
1724 		ts->stat = SAS_OPEN_REJECT;
1725 		break;
1726 	}
1727 	PM8001_IO_DBG(pm8001_ha,
1728 		pm8001_printk("scsi_status = 0x%x\n ",
1729 		psspPayload->ssp_resp_iu.status));
1730 	spin_lock_irqsave(&t->task_state_lock, flags);
1731 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1732 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1733 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1734 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1735 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1736 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1737 			"task 0x%p done with io_status 0x%x resp 0x%x "
1738 			"stat 0x%x but aborted by upper layer!\n",
1739 			t, status, ts->resp, ts->stat));
1740 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1741 	} else {
1742 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1743 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1744 		mb();/* in order to force CPU ordering */
1745 		t->task_done(t);
1746 	}
1747 }
1748 
1749 /*See the comments for mpi_ssp_completion */
1750 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1751 {
1752 	struct sas_task *t;
1753 	unsigned long flags;
1754 	struct task_status_struct *ts;
1755 	struct pm8001_ccb_info *ccb;
1756 	struct pm8001_device *pm8001_dev;
1757 	struct ssp_event_resp *psspPayload =
1758 		(struct ssp_event_resp *)(piomb + 4);
1759 	u32 event = le32_to_cpu(psspPayload->event);
1760 	u32 tag = le32_to_cpu(psspPayload->tag);
1761 	u32 port_id = le32_to_cpu(psspPayload->port_id);
1762 
1763 	ccb = &pm8001_ha->ccb_info[tag];
1764 	t = ccb->task;
1765 	pm8001_dev = ccb->device;
1766 	if (event)
1767 		PM8001_FAIL_DBG(pm8001_ha,
1768 			pm8001_printk("sas IO status 0x%x\n", event));
1769 	if (unlikely(!t || !t->lldd_task || !t->dev))
1770 		return;
1771 	ts = &t->task_status;
1772 	PM8001_IO_DBG(pm8001_ha,
1773 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
1774 				port_id, tag, event));
1775 	switch (event) {
1776 	case IO_OVERFLOW:
1777 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1778 		ts->resp = SAS_TASK_COMPLETE;
1779 		ts->stat = SAS_DATA_OVERRUN;
1780 		ts->residual = 0;
1781 		if (pm8001_dev)
1782 			pm8001_dev->running_req--;
1783 		break;
1784 	case IO_XFER_ERROR_BREAK:
1785 		PM8001_IO_DBG(pm8001_ha,
1786 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1787 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1788 		return;
1789 	case IO_XFER_ERROR_PHY_NOT_READY:
1790 		PM8001_IO_DBG(pm8001_ha,
1791 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1792 		ts->resp = SAS_TASK_COMPLETE;
1793 		ts->stat = SAS_OPEN_REJECT;
1794 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1795 		break;
1796 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1797 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1798 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1799 		ts->resp = SAS_TASK_COMPLETE;
1800 		ts->stat = SAS_OPEN_REJECT;
1801 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1802 		break;
1803 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1804 		PM8001_IO_DBG(pm8001_ha,
1805 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1806 		ts->resp = SAS_TASK_COMPLETE;
1807 		ts->stat = SAS_OPEN_REJECT;
1808 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1809 		break;
1810 	case IO_OPEN_CNX_ERROR_BREAK:
1811 		PM8001_IO_DBG(pm8001_ha,
1812 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1813 		ts->resp = SAS_TASK_COMPLETE;
1814 		ts->stat = SAS_OPEN_REJECT;
1815 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1816 		break;
1817 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1818 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1819 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1820 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1821 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1822 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1823 		PM8001_IO_DBG(pm8001_ha,
1824 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1825 		ts->resp = SAS_TASK_COMPLETE;
1826 		ts->stat = SAS_OPEN_REJECT;
1827 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1828 		if (!t->uldd_task)
1829 			pm8001_handle_event(pm8001_ha,
1830 				pm8001_dev,
1831 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1832 		break;
1833 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1834 		PM8001_IO_DBG(pm8001_ha,
1835 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1836 		ts->resp = SAS_TASK_COMPLETE;
1837 		ts->stat = SAS_OPEN_REJECT;
1838 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1839 		break;
1840 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1841 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1842 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1843 		ts->resp = SAS_TASK_COMPLETE;
1844 		ts->stat = SAS_OPEN_REJECT;
1845 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1846 		break;
1847 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1848 		PM8001_IO_DBG(pm8001_ha,
1849 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1850 		ts->resp = SAS_TASK_COMPLETE;
1851 		ts->stat = SAS_OPEN_REJECT;
1852 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1853 		break;
1854 	case IO_XFER_ERROR_NAK_RECEIVED:
1855 		PM8001_IO_DBG(pm8001_ha,
1856 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1857 		ts->resp = SAS_TASK_COMPLETE;
1858 		ts->stat = SAS_OPEN_REJECT;
1859 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1860 		break;
1861 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1862 		PM8001_IO_DBG(pm8001_ha,
1863 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1864 		ts->resp = SAS_TASK_COMPLETE;
1865 		ts->stat = SAS_NAK_R_ERR;
1866 		break;
1867 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1868 		PM8001_IO_DBG(pm8001_ha,
1869 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1870 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
1871 		return;
1872 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
1873 		PM8001_IO_DBG(pm8001_ha,
1874 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
1875 		ts->resp = SAS_TASK_COMPLETE;
1876 		ts->stat = SAS_DATA_OVERRUN;
1877 		break;
1878 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
1879 		PM8001_IO_DBG(pm8001_ha,
1880 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
1881 		ts->resp = SAS_TASK_COMPLETE;
1882 		ts->stat = SAS_DATA_OVERRUN;
1883 		break;
1884 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
1885 		PM8001_IO_DBG(pm8001_ha,
1886 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
1887 		ts->resp = SAS_TASK_COMPLETE;
1888 		ts->stat = SAS_DATA_OVERRUN;
1889 		break;
1890 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
1891 		PM8001_IO_DBG(pm8001_ha,
1892 		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
1893 		ts->resp = SAS_TASK_COMPLETE;
1894 		ts->stat = SAS_DATA_OVERRUN;
1895 		break;
1896 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1897 		PM8001_IO_DBG(pm8001_ha,
1898 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1899 		ts->resp = SAS_TASK_COMPLETE;
1900 		ts->stat = SAS_DATA_OVERRUN;
1901 		break;
1902 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
1903 		PM8001_IO_DBG(pm8001_ha,
1904 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
1905 		ts->resp = SAS_TASK_COMPLETE;
1906 		ts->stat = SAS_DATA_OVERRUN;
1907 		break;
1908 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
1909 		PM8001_IO_DBG(pm8001_ha,
1910 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
1911 		/* TBC: used default set values */
1912 		ts->resp = SAS_TASK_COMPLETE;
1913 		ts->stat = SAS_DATA_OVERRUN;
1914 		break;
1915 	case IO_XFER_CMD_FRAME_ISSUED:
1916 		PM8001_IO_DBG(pm8001_ha,
1917 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
1918 		return;
1919 	default:
1920 		PM8001_IO_DBG(pm8001_ha,
1921 			pm8001_printk("Unknown status 0x%x\n", event));
1922 		/* not allowed case. Therefore, return failed status */
1923 		ts->resp = SAS_TASK_COMPLETE;
1924 		ts->stat = SAS_DATA_OVERRUN;
1925 		break;
1926 	}
1927 	spin_lock_irqsave(&t->task_state_lock, flags);
1928 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1929 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1930 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1931 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1932 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1933 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1934 			"task 0x%p done with event 0x%x resp 0x%x "
1935 			"stat 0x%x but aborted by upper layer!\n",
1936 			t, event, ts->resp, ts->stat));
1937 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1938 	} else {
1939 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1940 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1941 		mb();/* in order to force CPU ordering */
1942 		t->task_done(t);
1943 	}
1944 }
1945 
1946 /*See the comments for mpi_ssp_completion */
1947 static void
1948 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1949 {
1950 	struct sas_task *t;
1951 	struct pm8001_ccb_info *ccb;
1952 	u32 param;
1953 	u32 status;
1954 	u32 tag;
1955 	int i, j;
1956 	u8 sata_addr_low[4];
1957 	u32 temp_sata_addr_low, temp_sata_addr_hi;
1958 	u8 sata_addr_hi[4];
1959 	struct sata_completion_resp *psataPayload;
1960 	struct task_status_struct *ts;
1961 	struct ata_task_resp *resp ;
1962 	u32 *sata_resp;
1963 	struct pm8001_device *pm8001_dev;
1964 	unsigned long flags;
1965 
1966 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
1967 	status = le32_to_cpu(psataPayload->status);
1968 	tag = le32_to_cpu(psataPayload->tag);
1969 
1970 	if (!tag) {
1971 		PM8001_FAIL_DBG(pm8001_ha,
1972 			pm8001_printk("tag null\n"));
1973 		return;
1974 	}
1975 	ccb = &pm8001_ha->ccb_info[tag];
1976 	param = le32_to_cpu(psataPayload->param);
1977 	if (ccb) {
1978 		t = ccb->task;
1979 		pm8001_dev = ccb->device;
1980 	} else {
1981 		PM8001_FAIL_DBG(pm8001_ha,
1982 			pm8001_printk("ccb null\n"));
1983 		return;
1984 	}
1985 
1986 	if (t) {
1987 		if (t->dev && (t->dev->lldd_dev))
1988 			pm8001_dev = t->dev->lldd_dev;
1989 	} else {
1990 		PM8001_FAIL_DBG(pm8001_ha,
1991 			pm8001_printk("task null\n"));
1992 		return;
1993 	}
1994 
1995 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
1996 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
1997 		PM8001_FAIL_DBG(pm8001_ha,
1998 			pm8001_printk("task or dev null\n"));
1999 		return;
2000 	}
2001 
2002 	ts = &t->task_status;
2003 	if (!ts) {
2004 		PM8001_FAIL_DBG(pm8001_ha,
2005 			pm8001_printk("ts null\n"));
2006 		return;
2007 	}
2008 	/* Print sas address of IO failed device */
2009 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2010 		(status != IO_UNDERFLOW)) {
2011 		if (!((t->dev->parent) &&
2012 			(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
2013 			for (i = 0 , j = 4; i <= 3 && j <= 7; i++ , j++)
2014 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2015 			for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
2016 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2017 			memcpy(&temp_sata_addr_low, sata_addr_low,
2018 				sizeof(sata_addr_low));
2019 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2020 				sizeof(sata_addr_hi));
2021 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2022 						|((temp_sata_addr_hi << 8) &
2023 						0xff0000) |
2024 						((temp_sata_addr_hi >> 8)
2025 						& 0xff00) |
2026 						((temp_sata_addr_hi << 24) &
2027 						0xff000000));
2028 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2029 						& 0xff) |
2030 						((temp_sata_addr_low << 8)
2031 						& 0xff0000) |
2032 						((temp_sata_addr_low >> 8)
2033 						& 0xff00) |
2034 						((temp_sata_addr_low << 24)
2035 						& 0xff000000)) +
2036 						pm8001_dev->attached_phy +
2037 						0x10);
2038 			PM8001_FAIL_DBG(pm8001_ha,
2039 				pm8001_printk("SAS Address of IO Failure Drive:"
2040 				"%08x%08x", temp_sata_addr_hi,
2041 					temp_sata_addr_low));
2042 
2043 		} else {
2044 			PM8001_FAIL_DBG(pm8001_ha,
2045 				pm8001_printk("SAS Address of IO Failure Drive:"
2046 				"%016llx", SAS_ADDR(t->dev->sas_addr)));
2047 		}
2048 	}
2049 	switch (status) {
2050 	case IO_SUCCESS:
2051 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2052 		if (param == 0) {
2053 			ts->resp = SAS_TASK_COMPLETE;
2054 			ts->stat = SAM_STAT_GOOD;
2055 			/* check if response is for SEND READ LOG */
2056 			if (pm8001_dev &&
2057 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2058 				/* set new bit for abort_all */
2059 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2060 				/* clear bit for read log */
2061 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2062 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2063 				/* Free the tag */
2064 				pm8001_tag_free(pm8001_ha, tag);
2065 				sas_free_task(t);
2066 				return;
2067 			}
2068 		} else {
2069 			u8 len;
2070 			ts->resp = SAS_TASK_COMPLETE;
2071 			ts->stat = SAS_PROTO_RESPONSE;
2072 			ts->residual = param;
2073 			PM8001_IO_DBG(pm8001_ha,
2074 				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2075 				param));
2076 			sata_resp = &psataPayload->sata_resp[0];
2077 			resp = (struct ata_task_resp *)ts->buf;
2078 			if (t->ata_task.dma_xfer == 0 &&
2079 			t->data_dir == PCI_DMA_FROMDEVICE) {
2080 				len = sizeof(struct pio_setup_fis);
2081 				PM8001_IO_DBG(pm8001_ha,
2082 				pm8001_printk("PIO read len = %d\n", len));
2083 			} else if (t->ata_task.use_ncq) {
2084 				len = sizeof(struct set_dev_bits_fis);
2085 				PM8001_IO_DBG(pm8001_ha,
2086 					pm8001_printk("FPDMA len = %d\n", len));
2087 			} else {
2088 				len = sizeof(struct dev_to_host_fis);
2089 				PM8001_IO_DBG(pm8001_ha,
2090 				pm8001_printk("other len = %d\n", len));
2091 			}
2092 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2093 				resp->frame_len = len;
2094 				memcpy(&resp->ending_fis[0], sata_resp, len);
2095 				ts->buf_valid_size = sizeof(*resp);
2096 			} else
2097 				PM8001_IO_DBG(pm8001_ha,
2098 					pm8001_printk("response to large\n"));
2099 		}
2100 		if (pm8001_dev)
2101 			pm8001_dev->running_req--;
2102 		break;
2103 	case IO_ABORTED:
2104 		PM8001_IO_DBG(pm8001_ha,
2105 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
2106 		ts->resp = SAS_TASK_COMPLETE;
2107 		ts->stat = SAS_ABORTED_TASK;
2108 		if (pm8001_dev)
2109 			pm8001_dev->running_req--;
2110 		break;
2111 		/* following cases are to do cases */
2112 	case IO_UNDERFLOW:
2113 		/* SATA Completion with error */
2114 		PM8001_IO_DBG(pm8001_ha,
2115 			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2116 		ts->resp = SAS_TASK_COMPLETE;
2117 		ts->stat = SAS_DATA_UNDERRUN;
2118 		ts->residual = param;
2119 		if (pm8001_dev)
2120 			pm8001_dev->running_req--;
2121 		break;
2122 	case IO_NO_DEVICE:
2123 		PM8001_IO_DBG(pm8001_ha,
2124 			pm8001_printk("IO_NO_DEVICE\n"));
2125 		ts->resp = SAS_TASK_UNDELIVERED;
2126 		ts->stat = SAS_PHY_DOWN;
2127 		break;
2128 	case IO_XFER_ERROR_BREAK:
2129 		PM8001_IO_DBG(pm8001_ha,
2130 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2131 		ts->resp = SAS_TASK_COMPLETE;
2132 		ts->stat = SAS_INTERRUPTED;
2133 		break;
2134 	case IO_XFER_ERROR_PHY_NOT_READY:
2135 		PM8001_IO_DBG(pm8001_ha,
2136 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2137 		ts->resp = SAS_TASK_COMPLETE;
2138 		ts->stat = SAS_OPEN_REJECT;
2139 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2140 		break;
2141 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2142 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2143 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2144 		ts->resp = SAS_TASK_COMPLETE;
2145 		ts->stat = SAS_OPEN_REJECT;
2146 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2147 		break;
2148 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2149 		PM8001_IO_DBG(pm8001_ha,
2150 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2151 		ts->resp = SAS_TASK_COMPLETE;
2152 		ts->stat = SAS_OPEN_REJECT;
2153 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2154 		break;
2155 	case IO_OPEN_CNX_ERROR_BREAK:
2156 		PM8001_IO_DBG(pm8001_ha,
2157 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2158 		ts->resp = SAS_TASK_COMPLETE;
2159 		ts->stat = SAS_OPEN_REJECT;
2160 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2161 		break;
2162 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2163 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2164 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2165 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2166 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2167 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2168 		PM8001_IO_DBG(pm8001_ha,
2169 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2170 		ts->resp = SAS_TASK_COMPLETE;
2171 		ts->stat = SAS_DEV_NO_RESPONSE;
2172 		if (!t->uldd_task) {
2173 			pm8001_handle_event(pm8001_ha,
2174 				pm8001_dev,
2175 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2176 			ts->resp = SAS_TASK_UNDELIVERED;
2177 			ts->stat = SAS_QUEUE_FULL;
2178 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2179 			mb();/*in order to force CPU ordering*/
2180 			spin_unlock_irq(&pm8001_ha->lock);
2181 			t->task_done(t);
2182 			spin_lock_irq(&pm8001_ha->lock);
2183 			return;
2184 		}
2185 		break;
2186 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2187 		PM8001_IO_DBG(pm8001_ha,
2188 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2189 		ts->resp = SAS_TASK_UNDELIVERED;
2190 		ts->stat = SAS_OPEN_REJECT;
2191 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2192 		if (!t->uldd_task) {
2193 			pm8001_handle_event(pm8001_ha,
2194 				pm8001_dev,
2195 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2196 			ts->resp = SAS_TASK_UNDELIVERED;
2197 			ts->stat = SAS_QUEUE_FULL;
2198 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2199 			mb();/*ditto*/
2200 			spin_unlock_irq(&pm8001_ha->lock);
2201 			t->task_done(t);
2202 			spin_lock_irq(&pm8001_ha->lock);
2203 			return;
2204 		}
2205 		break;
2206 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2207 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2208 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2209 		ts->resp = SAS_TASK_COMPLETE;
2210 		ts->stat = SAS_OPEN_REJECT;
2211 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2212 		break;
2213 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2214 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2215 			"IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n"));
2216 		ts->resp = SAS_TASK_COMPLETE;
2217 		ts->stat = SAS_DEV_NO_RESPONSE;
2218 		if (!t->uldd_task) {
2219 			pm8001_handle_event(pm8001_ha,
2220 				pm8001_dev,
2221 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2222 			ts->resp = SAS_TASK_UNDELIVERED;
2223 			ts->stat = SAS_QUEUE_FULL;
2224 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2225 			mb();/* ditto*/
2226 			spin_unlock_irq(&pm8001_ha->lock);
2227 			t->task_done(t);
2228 			spin_lock_irq(&pm8001_ha->lock);
2229 			return;
2230 		}
2231 		break;
2232 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2233 		PM8001_IO_DBG(pm8001_ha,
2234 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2235 		ts->resp = SAS_TASK_COMPLETE;
2236 		ts->stat = SAS_OPEN_REJECT;
2237 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2238 		break;
2239 	case IO_XFER_ERROR_NAK_RECEIVED:
2240 		PM8001_IO_DBG(pm8001_ha,
2241 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2242 		ts->resp = SAS_TASK_COMPLETE;
2243 		ts->stat = SAS_NAK_R_ERR;
2244 		break;
2245 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2246 		PM8001_IO_DBG(pm8001_ha,
2247 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2248 		ts->resp = SAS_TASK_COMPLETE;
2249 		ts->stat = SAS_NAK_R_ERR;
2250 		break;
2251 	case IO_XFER_ERROR_DMA:
2252 		PM8001_IO_DBG(pm8001_ha,
2253 			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2254 		ts->resp = SAS_TASK_COMPLETE;
2255 		ts->stat = SAS_ABORTED_TASK;
2256 		break;
2257 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2258 		PM8001_IO_DBG(pm8001_ha,
2259 			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2260 		ts->resp = SAS_TASK_UNDELIVERED;
2261 		ts->stat = SAS_DEV_NO_RESPONSE;
2262 		break;
2263 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2264 		PM8001_IO_DBG(pm8001_ha,
2265 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2266 		ts->resp = SAS_TASK_COMPLETE;
2267 		ts->stat = SAS_DATA_UNDERRUN;
2268 		break;
2269 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2270 		PM8001_IO_DBG(pm8001_ha,
2271 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2272 		ts->resp = SAS_TASK_COMPLETE;
2273 		ts->stat = SAS_OPEN_TO;
2274 		break;
2275 	case IO_PORT_IN_RESET:
2276 		PM8001_IO_DBG(pm8001_ha,
2277 			pm8001_printk("IO_PORT_IN_RESET\n"));
2278 		ts->resp = SAS_TASK_COMPLETE;
2279 		ts->stat = SAS_DEV_NO_RESPONSE;
2280 		break;
2281 	case IO_DS_NON_OPERATIONAL:
2282 		PM8001_IO_DBG(pm8001_ha,
2283 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2284 		ts->resp = SAS_TASK_COMPLETE;
2285 		ts->stat = SAS_DEV_NO_RESPONSE;
2286 		if (!t->uldd_task) {
2287 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2288 					IO_DS_NON_OPERATIONAL);
2289 			ts->resp = SAS_TASK_UNDELIVERED;
2290 			ts->stat = SAS_QUEUE_FULL;
2291 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2292 			mb();/*ditto*/
2293 			spin_unlock_irq(&pm8001_ha->lock);
2294 			t->task_done(t);
2295 			spin_lock_irq(&pm8001_ha->lock);
2296 			return;
2297 		}
2298 		break;
2299 	case IO_DS_IN_RECOVERY:
2300 		PM8001_IO_DBG(pm8001_ha,
2301 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2302 		ts->resp = SAS_TASK_COMPLETE;
2303 		ts->stat = SAS_DEV_NO_RESPONSE;
2304 		break;
2305 	case IO_DS_IN_ERROR:
2306 		PM8001_IO_DBG(pm8001_ha,
2307 			pm8001_printk("IO_DS_IN_ERROR\n"));
2308 		ts->resp = SAS_TASK_COMPLETE;
2309 		ts->stat = SAS_DEV_NO_RESPONSE;
2310 		if (!t->uldd_task) {
2311 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2312 					IO_DS_IN_ERROR);
2313 			ts->resp = SAS_TASK_UNDELIVERED;
2314 			ts->stat = SAS_QUEUE_FULL;
2315 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2316 			mb();/*ditto*/
2317 			spin_unlock_irq(&pm8001_ha->lock);
2318 			t->task_done(t);
2319 			spin_lock_irq(&pm8001_ha->lock);
2320 			return;
2321 		}
2322 		break;
2323 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2324 		PM8001_IO_DBG(pm8001_ha,
2325 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2326 		ts->resp = SAS_TASK_COMPLETE;
2327 		ts->stat = SAS_OPEN_REJECT;
2328 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2329 	default:
2330 		PM8001_IO_DBG(pm8001_ha,
2331 			pm8001_printk("Unknown status 0x%x\n", status));
2332 		/* not allowed case. Therefore, return failed status */
2333 		ts->resp = SAS_TASK_COMPLETE;
2334 		ts->stat = SAS_DEV_NO_RESPONSE;
2335 		break;
2336 	}
2337 	spin_lock_irqsave(&t->task_state_lock, flags);
2338 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2339 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2340 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2341 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2342 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2343 		PM8001_FAIL_DBG(pm8001_ha,
2344 			pm8001_printk("task 0x%p done with io_status 0x%x"
2345 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2346 			t, status, ts->resp, ts->stat));
2347 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2348 	} else if (t->uldd_task) {
2349 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2350 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2351 		mb();/* ditto */
2352 		spin_unlock_irq(&pm8001_ha->lock);
2353 		t->task_done(t);
2354 		spin_lock_irq(&pm8001_ha->lock);
2355 	} else if (!t->uldd_task) {
2356 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2357 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2358 		mb();/*ditto*/
2359 		spin_unlock_irq(&pm8001_ha->lock);
2360 		t->task_done(t);
2361 		spin_lock_irq(&pm8001_ha->lock);
2362 	}
2363 }
2364 
2365 /*See the comments for mpi_ssp_completion */
2366 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2367 {
2368 	struct sas_task *t;
2369 	struct task_status_struct *ts;
2370 	struct pm8001_ccb_info *ccb;
2371 	struct pm8001_device *pm8001_dev;
2372 	struct sata_event_resp *psataPayload =
2373 		(struct sata_event_resp *)(piomb + 4);
2374 	u32 event = le32_to_cpu(psataPayload->event);
2375 	u32 tag = le32_to_cpu(psataPayload->tag);
2376 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2377 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2378 	unsigned long flags;
2379 
2380 	ccb = &pm8001_ha->ccb_info[tag];
2381 
2382 	if (ccb) {
2383 		t = ccb->task;
2384 		pm8001_dev = ccb->device;
2385 	} else {
2386 		PM8001_FAIL_DBG(pm8001_ha,
2387 			pm8001_printk("No CCB !!!. returning\n"));
2388 		return;
2389 	}
2390 	if (event)
2391 		PM8001_FAIL_DBG(pm8001_ha,
2392 			pm8001_printk("SATA EVENT 0x%x\n", event));
2393 
2394 	/* Check if this is NCQ error */
2395 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2396 		/* find device using device id */
2397 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2398 		/* send read log extension */
2399 		if (pm8001_dev)
2400 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2401 		return;
2402 	}
2403 
2404 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2405 		PM8001_FAIL_DBG(pm8001_ha,
2406 			pm8001_printk("task or dev null\n"));
2407 		return;
2408 	}
2409 
2410 	ts = &t->task_status;
2411 	PM8001_IO_DBG(pm8001_ha,
2412 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
2413 				port_id, tag, event));
2414 	switch (event) {
2415 	case IO_OVERFLOW:
2416 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2417 		ts->resp = SAS_TASK_COMPLETE;
2418 		ts->stat = SAS_DATA_OVERRUN;
2419 		ts->residual = 0;
2420 		if (pm8001_dev)
2421 			pm8001_dev->running_req--;
2422 		break;
2423 	case IO_XFER_ERROR_BREAK:
2424 		PM8001_IO_DBG(pm8001_ha,
2425 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2426 		ts->resp = SAS_TASK_COMPLETE;
2427 		ts->stat = SAS_INTERRUPTED;
2428 		break;
2429 	case IO_XFER_ERROR_PHY_NOT_READY:
2430 		PM8001_IO_DBG(pm8001_ha,
2431 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2432 		ts->resp = SAS_TASK_COMPLETE;
2433 		ts->stat = SAS_OPEN_REJECT;
2434 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2435 		break;
2436 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2437 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2438 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2439 		ts->resp = SAS_TASK_COMPLETE;
2440 		ts->stat = SAS_OPEN_REJECT;
2441 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2442 		break;
2443 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2444 		PM8001_IO_DBG(pm8001_ha,
2445 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2446 		ts->resp = SAS_TASK_COMPLETE;
2447 		ts->stat = SAS_OPEN_REJECT;
2448 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2449 		break;
2450 	case IO_OPEN_CNX_ERROR_BREAK:
2451 		PM8001_IO_DBG(pm8001_ha,
2452 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2453 		ts->resp = SAS_TASK_COMPLETE;
2454 		ts->stat = SAS_OPEN_REJECT;
2455 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2456 		break;
2457 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2458 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2459 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2460 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2461 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2462 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2463 		PM8001_FAIL_DBG(pm8001_ha,
2464 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2465 		ts->resp = SAS_TASK_UNDELIVERED;
2466 		ts->stat = SAS_DEV_NO_RESPONSE;
2467 		if (!t->uldd_task) {
2468 			pm8001_handle_event(pm8001_ha,
2469 				pm8001_dev,
2470 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2471 			ts->resp = SAS_TASK_COMPLETE;
2472 			ts->stat = SAS_QUEUE_FULL;
2473 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2474 			mb();/*ditto*/
2475 			spin_unlock_irq(&pm8001_ha->lock);
2476 			t->task_done(t);
2477 			spin_lock_irq(&pm8001_ha->lock);
2478 			return;
2479 		}
2480 		break;
2481 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2482 		PM8001_IO_DBG(pm8001_ha,
2483 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2484 		ts->resp = SAS_TASK_UNDELIVERED;
2485 		ts->stat = SAS_OPEN_REJECT;
2486 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2487 		break;
2488 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2489 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2490 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2491 		ts->resp = SAS_TASK_COMPLETE;
2492 		ts->stat = SAS_OPEN_REJECT;
2493 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2494 		break;
2495 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2496 		PM8001_IO_DBG(pm8001_ha,
2497 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2498 		ts->resp = SAS_TASK_COMPLETE;
2499 		ts->stat = SAS_OPEN_REJECT;
2500 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2501 		break;
2502 	case IO_XFER_ERROR_NAK_RECEIVED:
2503 		PM8001_IO_DBG(pm8001_ha,
2504 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2505 		ts->resp = SAS_TASK_COMPLETE;
2506 		ts->stat = SAS_NAK_R_ERR;
2507 		break;
2508 	case IO_XFER_ERROR_PEER_ABORTED:
2509 		PM8001_IO_DBG(pm8001_ha,
2510 			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2511 		ts->resp = SAS_TASK_COMPLETE;
2512 		ts->stat = SAS_NAK_R_ERR;
2513 		break;
2514 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2515 		PM8001_IO_DBG(pm8001_ha,
2516 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2517 		ts->resp = SAS_TASK_COMPLETE;
2518 		ts->stat = SAS_DATA_UNDERRUN;
2519 		break;
2520 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2521 		PM8001_IO_DBG(pm8001_ha,
2522 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2523 		ts->resp = SAS_TASK_COMPLETE;
2524 		ts->stat = SAS_OPEN_TO;
2525 		break;
2526 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2527 		PM8001_IO_DBG(pm8001_ha,
2528 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2529 		ts->resp = SAS_TASK_COMPLETE;
2530 		ts->stat = SAS_OPEN_TO;
2531 		break;
2532 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2533 		PM8001_IO_DBG(pm8001_ha,
2534 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2535 		ts->resp = SAS_TASK_COMPLETE;
2536 		ts->stat = SAS_OPEN_TO;
2537 		break;
2538 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2539 		PM8001_IO_DBG(pm8001_ha,
2540 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2541 		ts->resp = SAS_TASK_COMPLETE;
2542 		ts->stat = SAS_OPEN_TO;
2543 		break;
2544 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2545 		PM8001_IO_DBG(pm8001_ha,
2546 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2547 		ts->resp = SAS_TASK_COMPLETE;
2548 		ts->stat = SAS_OPEN_TO;
2549 		break;
2550 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2551 		PM8001_IO_DBG(pm8001_ha,
2552 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2553 		ts->resp = SAS_TASK_COMPLETE;
2554 		ts->stat = SAS_OPEN_TO;
2555 		break;
2556 	case IO_XFER_CMD_FRAME_ISSUED:
2557 		PM8001_IO_DBG(pm8001_ha,
2558 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2559 		break;
2560 	case IO_XFER_PIO_SETUP_ERROR:
2561 		PM8001_IO_DBG(pm8001_ha,
2562 			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2563 		ts->resp = SAS_TASK_COMPLETE;
2564 		ts->stat = SAS_OPEN_TO;
2565 		break;
2566 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2567 		PM8001_FAIL_DBG(pm8001_ha,
2568 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
2569 		/* TBC: used default set values */
2570 		ts->resp = SAS_TASK_COMPLETE;
2571 		ts->stat = SAS_OPEN_TO;
2572 		break;
2573 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2574 		PM8001_FAIL_DBG(pm8001_ha,
2575 			pm8001_printk("IO_XFR_DMA_ACTIVATE_TIMEOUT\n"));
2576 		/* TBC: used default set values */
2577 		ts->resp = SAS_TASK_COMPLETE;
2578 		ts->stat = SAS_OPEN_TO;
2579 		break;
2580 	default:
2581 		PM8001_IO_DBG(pm8001_ha,
2582 			pm8001_printk("Unknown status 0x%x\n", event));
2583 		/* not allowed case. Therefore, return failed status */
2584 		ts->resp = SAS_TASK_COMPLETE;
2585 		ts->stat = SAS_OPEN_TO;
2586 		break;
2587 	}
2588 	spin_lock_irqsave(&t->task_state_lock, flags);
2589 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2590 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2591 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2592 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2593 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2594 		PM8001_FAIL_DBG(pm8001_ha,
2595 			pm8001_printk("task 0x%p done with io_status 0x%x"
2596 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2597 			t, event, ts->resp, ts->stat));
2598 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2599 	} else if (t->uldd_task) {
2600 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2601 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2602 		mb();/* ditto */
2603 		spin_unlock_irq(&pm8001_ha->lock);
2604 		t->task_done(t);
2605 		spin_lock_irq(&pm8001_ha->lock);
2606 	} else if (!t->uldd_task) {
2607 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2608 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2609 		mb();/*ditto*/
2610 		spin_unlock_irq(&pm8001_ha->lock);
2611 		t->task_done(t);
2612 		spin_lock_irq(&pm8001_ha->lock);
2613 	}
2614 }
2615 
2616 /*See the comments for mpi_ssp_completion */
2617 static void
2618 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2619 {
2620 	u32 param, i;
2621 	struct sas_task *t;
2622 	struct pm8001_ccb_info *ccb;
2623 	unsigned long flags;
2624 	u32 status;
2625 	u32 tag;
2626 	struct smp_completion_resp *psmpPayload;
2627 	struct task_status_struct *ts;
2628 	struct pm8001_device *pm8001_dev;
2629 	char *pdma_respaddr = NULL;
2630 
2631 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2632 	status = le32_to_cpu(psmpPayload->status);
2633 	tag = le32_to_cpu(psmpPayload->tag);
2634 
2635 	ccb = &pm8001_ha->ccb_info[tag];
2636 	param = le32_to_cpu(psmpPayload->param);
2637 	t = ccb->task;
2638 	ts = &t->task_status;
2639 	pm8001_dev = ccb->device;
2640 	if (status)
2641 		PM8001_FAIL_DBG(pm8001_ha,
2642 			pm8001_printk("smp IO status 0x%x\n", status));
2643 	if (unlikely(!t || !t->lldd_task || !t->dev))
2644 		return;
2645 
2646 	switch (status) {
2647 
2648 	case IO_SUCCESS:
2649 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2650 		ts->resp = SAS_TASK_COMPLETE;
2651 		ts->stat = SAM_STAT_GOOD;
2652 		if (pm8001_dev)
2653 			pm8001_dev->running_req--;
2654 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
2655 			PM8001_IO_DBG(pm8001_ha,
2656 				pm8001_printk("DIRECT RESPONSE Length:%d\n",
2657 						param));
2658 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
2659 						((u64)sg_dma_address
2660 						(&t->smp_task.smp_resp))));
2661 			for (i = 0; i < param; i++) {
2662 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
2663 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2664 					"SMP Byte%d DMA data 0x%x psmp 0x%x\n",
2665 					i, *(pdma_respaddr+i),
2666 					psmpPayload->_r_a[i]));
2667 			}
2668 		}
2669 		break;
2670 	case IO_ABORTED:
2671 		PM8001_IO_DBG(pm8001_ha,
2672 			pm8001_printk("IO_ABORTED IOMB\n"));
2673 		ts->resp = SAS_TASK_COMPLETE;
2674 		ts->stat = SAS_ABORTED_TASK;
2675 		if (pm8001_dev)
2676 			pm8001_dev->running_req--;
2677 		break;
2678 	case IO_OVERFLOW:
2679 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2680 		ts->resp = SAS_TASK_COMPLETE;
2681 		ts->stat = SAS_DATA_OVERRUN;
2682 		ts->residual = 0;
2683 		if (pm8001_dev)
2684 			pm8001_dev->running_req--;
2685 		break;
2686 	case IO_NO_DEVICE:
2687 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2688 		ts->resp = SAS_TASK_COMPLETE;
2689 		ts->stat = SAS_PHY_DOWN;
2690 		break;
2691 	case IO_ERROR_HW_TIMEOUT:
2692 		PM8001_IO_DBG(pm8001_ha,
2693 			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2694 		ts->resp = SAS_TASK_COMPLETE;
2695 		ts->stat = SAM_STAT_BUSY;
2696 		break;
2697 	case IO_XFER_ERROR_BREAK:
2698 		PM8001_IO_DBG(pm8001_ha,
2699 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2700 		ts->resp = SAS_TASK_COMPLETE;
2701 		ts->stat = SAM_STAT_BUSY;
2702 		break;
2703 	case IO_XFER_ERROR_PHY_NOT_READY:
2704 		PM8001_IO_DBG(pm8001_ha,
2705 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2706 		ts->resp = SAS_TASK_COMPLETE;
2707 		ts->stat = SAM_STAT_BUSY;
2708 		break;
2709 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2710 		PM8001_IO_DBG(pm8001_ha,
2711 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2712 		ts->resp = SAS_TASK_COMPLETE;
2713 		ts->stat = SAS_OPEN_REJECT;
2714 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2715 		break;
2716 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2717 		PM8001_IO_DBG(pm8001_ha,
2718 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2719 		ts->resp = SAS_TASK_COMPLETE;
2720 		ts->stat = SAS_OPEN_REJECT;
2721 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2722 		break;
2723 	case IO_OPEN_CNX_ERROR_BREAK:
2724 		PM8001_IO_DBG(pm8001_ha,
2725 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2726 		ts->resp = SAS_TASK_COMPLETE;
2727 		ts->stat = SAS_OPEN_REJECT;
2728 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2729 		break;
2730 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2731 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2732 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2733 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2734 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2735 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2736 		PM8001_IO_DBG(pm8001_ha,
2737 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2738 		ts->resp = SAS_TASK_COMPLETE;
2739 		ts->stat = SAS_OPEN_REJECT;
2740 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2741 		pm8001_handle_event(pm8001_ha,
2742 				pm8001_dev,
2743 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2744 		break;
2745 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2746 		PM8001_IO_DBG(pm8001_ha,
2747 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2748 		ts->resp = SAS_TASK_COMPLETE;
2749 		ts->stat = SAS_OPEN_REJECT;
2750 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2751 		break;
2752 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2753 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(\
2754 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2755 		ts->resp = SAS_TASK_COMPLETE;
2756 		ts->stat = SAS_OPEN_REJECT;
2757 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2758 		break;
2759 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2760 		PM8001_IO_DBG(pm8001_ha,
2761 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2762 		ts->resp = SAS_TASK_COMPLETE;
2763 		ts->stat = SAS_OPEN_REJECT;
2764 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2765 		break;
2766 	case IO_XFER_ERROR_RX_FRAME:
2767 		PM8001_IO_DBG(pm8001_ha,
2768 			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2769 		ts->resp = SAS_TASK_COMPLETE;
2770 		ts->stat = SAS_DEV_NO_RESPONSE;
2771 		break;
2772 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2773 		PM8001_IO_DBG(pm8001_ha,
2774 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2775 		ts->resp = SAS_TASK_COMPLETE;
2776 		ts->stat = SAS_OPEN_REJECT;
2777 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2778 		break;
2779 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
2780 		PM8001_IO_DBG(pm8001_ha,
2781 			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2782 		ts->resp = SAS_TASK_COMPLETE;
2783 		ts->stat = SAS_QUEUE_FULL;
2784 		break;
2785 	case IO_PORT_IN_RESET:
2786 		PM8001_IO_DBG(pm8001_ha,
2787 			pm8001_printk("IO_PORT_IN_RESET\n"));
2788 		ts->resp = SAS_TASK_COMPLETE;
2789 		ts->stat = SAS_OPEN_REJECT;
2790 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2791 		break;
2792 	case IO_DS_NON_OPERATIONAL:
2793 		PM8001_IO_DBG(pm8001_ha,
2794 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2795 		ts->resp = SAS_TASK_COMPLETE;
2796 		ts->stat = SAS_DEV_NO_RESPONSE;
2797 		break;
2798 	case IO_DS_IN_RECOVERY:
2799 		PM8001_IO_DBG(pm8001_ha,
2800 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2801 		ts->resp = SAS_TASK_COMPLETE;
2802 		ts->stat = SAS_OPEN_REJECT;
2803 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2804 		break;
2805 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2806 		PM8001_IO_DBG(pm8001_ha,
2807 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2808 		ts->resp = SAS_TASK_COMPLETE;
2809 		ts->stat = SAS_OPEN_REJECT;
2810 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2811 		break;
2812 	default:
2813 		PM8001_IO_DBG(pm8001_ha,
2814 			pm8001_printk("Unknown status 0x%x\n", status));
2815 		ts->resp = SAS_TASK_COMPLETE;
2816 		ts->stat = SAS_DEV_NO_RESPONSE;
2817 		/* not allowed case. Therefore, return failed status */
2818 		break;
2819 	}
2820 	spin_lock_irqsave(&t->task_state_lock, flags);
2821 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2822 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2823 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2824 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2825 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2826 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
2827 			"task 0x%p done with io_status 0x%x resp 0x%x"
2828 			"stat 0x%x but aborted by upper layer!\n",
2829 			t, status, ts->resp, ts->stat));
2830 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2831 	} else {
2832 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2833 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2834 		mb();/* in order to force CPU ordering */
2835 		t->task_done(t);
2836 	}
2837 }
2838 
2839 /**
2840  * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
2841  * @pm8001_ha: our hba card information
2842  * @Qnum: the outbound queue message number.
2843  * @SEA: source of event to ack
2844  * @port_id: port id.
2845  * @phyId: phy id.
2846  * @param0: parameter 0.
2847  * @param1: parameter 1.
2848  */
2849 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
2850 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
2851 {
2852 	struct hw_event_ack_req	 payload;
2853 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
2854 
2855 	struct inbound_queue_table *circularQ;
2856 
2857 	memset((u8 *)&payload, 0, sizeof(payload));
2858 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
2859 	payload.tag = cpu_to_le32(1);
2860 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
2861 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
2862 	payload.param0 = cpu_to_le32(param0);
2863 	payload.param1 = cpu_to_le32(param1);
2864 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
2865 }
2866 
2867 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
2868 	u32 phyId, u32 phy_op);
2869 
2870 /**
2871  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
2872  * @pm8001_ha: our hba card information
2873  * @piomb: IO message buffer
2874  */
2875 static void
2876 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2877 {
2878 	struct hw_event_resp *pPayload =
2879 		(struct hw_event_resp *)(piomb + 4);
2880 	u32 lr_status_evt_portid =
2881 		le32_to_cpu(pPayload->lr_status_evt_portid);
2882 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2883 
2884 	u8 link_rate =
2885 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2886 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2887 	u8 phy_id =
2888 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2889 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2890 
2891 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2892 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2893 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2894 	unsigned long flags;
2895 	u8 deviceType = pPayload->sas_identify.dev_type;
2896 	port->port_state = portstate;
2897 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2898 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2899 		"portid:%d; phyid:%d; linkrate:%d; "
2900 		"portstate:%x; devicetype:%x\n",
2901 		port_id, phy_id, link_rate, portstate, deviceType));
2902 
2903 	switch (deviceType) {
2904 	case SAS_PHY_UNUSED:
2905 		PM8001_MSG_DBG(pm8001_ha,
2906 			pm8001_printk("device type no device.\n"));
2907 		break;
2908 	case SAS_END_DEVICE:
2909 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
2910 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2911 			PHY_NOTIFY_ENABLE_SPINUP);
2912 		port->port_attached = 1;
2913 		pm8001_get_lrate_mode(phy, link_rate);
2914 		break;
2915 	case SAS_EDGE_EXPANDER_DEVICE:
2916 		PM8001_MSG_DBG(pm8001_ha,
2917 			pm8001_printk("expander device.\n"));
2918 		port->port_attached = 1;
2919 		pm8001_get_lrate_mode(phy, link_rate);
2920 		break;
2921 	case SAS_FANOUT_EXPANDER_DEVICE:
2922 		PM8001_MSG_DBG(pm8001_ha,
2923 			pm8001_printk("fanout expander device.\n"));
2924 		port->port_attached = 1;
2925 		pm8001_get_lrate_mode(phy, link_rate);
2926 		break;
2927 	default:
2928 		PM8001_MSG_DBG(pm8001_ha,
2929 			pm8001_printk("unknown device type(%x)\n", deviceType));
2930 		break;
2931 	}
2932 	phy->phy_type |= PORT_TYPE_SAS;
2933 	phy->identify.device_type = deviceType;
2934 	phy->phy_attached = 1;
2935 	if (phy->identify.device_type == SAS_END_DEVICE)
2936 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
2937 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
2938 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
2939 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2940 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2941 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2942 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
2943 		sizeof(struct sas_identify_frame)-4);
2944 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
2945 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2946 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2947 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
2948 		mdelay(200);/*delay a moment to wait disk to spinup*/
2949 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2950 }
2951 
2952 /**
2953  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
2954  * @pm8001_ha: our hba card information
2955  * @piomb: IO message buffer
2956  */
2957 static void
2958 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2959 {
2960 	struct hw_event_resp *pPayload =
2961 		(struct hw_event_resp *)(piomb + 4);
2962 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2963 	u32 lr_status_evt_portid =
2964 		le32_to_cpu(pPayload->lr_status_evt_portid);
2965 	u8 link_rate =
2966 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2967 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2968 	u8 phy_id =
2969 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2970 
2971 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2972 
2973 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2974 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2975 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2976 	unsigned long flags;
2977 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2978 		"port id %d, phy id %d link_rate %d portstate 0x%x\n",
2979 				port_id, phy_id, link_rate, portstate));
2980 
2981 	port->port_state = portstate;
2982 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2983 	port->port_attached = 1;
2984 	pm8001_get_lrate_mode(phy, link_rate);
2985 	phy->phy_type |= PORT_TYPE_SATA;
2986 	phy->phy_attached = 1;
2987 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
2988 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2989 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2990 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
2991 		sizeof(struct dev_to_host_fis));
2992 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
2993 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
2994 	phy->identify.device_type = SAS_SATA_DEV;
2995 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2996 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2997 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2998 }
2999 
3000 /**
3001  * hw_event_phy_down -we should notify the libsas the phy is down.
3002  * @pm8001_ha: our hba card information
3003  * @piomb: IO message buffer
3004  */
3005 static void
3006 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3007 {
3008 	struct hw_event_resp *pPayload =
3009 		(struct hw_event_resp *)(piomb + 4);
3010 
3011 	u32 lr_status_evt_portid =
3012 		le32_to_cpu(pPayload->lr_status_evt_portid);
3013 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3014 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3015 	u8 phy_id =
3016 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3017 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3018 
3019 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3020 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3021 	port->port_state = portstate;
3022 	phy->phy_type = 0;
3023 	phy->identify.device_type = 0;
3024 	phy->phy_attached = 0;
3025 	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3026 	switch (portstate) {
3027 	case PORT_VALID:
3028 		break;
3029 	case PORT_INVALID:
3030 		PM8001_MSG_DBG(pm8001_ha,
3031 			pm8001_printk(" PortInvalid portID %d\n", port_id));
3032 		PM8001_MSG_DBG(pm8001_ha,
3033 			pm8001_printk(" Last phy Down and port invalid\n"));
3034 		port->port_attached = 0;
3035 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3036 			port_id, phy_id, 0, 0);
3037 		break;
3038 	case PORT_IN_RESET:
3039 		PM8001_MSG_DBG(pm8001_ha,
3040 			pm8001_printk(" Port In Reset portID %d\n", port_id));
3041 		break;
3042 	case PORT_NOT_ESTABLISHED:
3043 		PM8001_MSG_DBG(pm8001_ha,
3044 			pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
3045 		port->port_attached = 0;
3046 		break;
3047 	case PORT_LOSTCOMM:
3048 		PM8001_MSG_DBG(pm8001_ha,
3049 			pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
3050 		PM8001_MSG_DBG(pm8001_ha,
3051 			pm8001_printk(" Last phy Down and port invalid\n"));
3052 		port->port_attached = 0;
3053 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3054 			port_id, phy_id, 0, 0);
3055 		break;
3056 	default:
3057 		port->port_attached = 0;
3058 		PM8001_MSG_DBG(pm8001_ha,
3059 			pm8001_printk(" phy Down and(default) = 0x%x\n",
3060 			portstate));
3061 		break;
3062 
3063 	}
3064 }
3065 
3066 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3067 {
3068 	struct phy_start_resp *pPayload =
3069 		(struct phy_start_resp *)(piomb + 4);
3070 	u32 status =
3071 		le32_to_cpu(pPayload->status);
3072 	u32 phy_id =
3073 		le32_to_cpu(pPayload->phyid);
3074 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3075 
3076 	PM8001_INIT_DBG(pm8001_ha,
3077 		pm8001_printk("phy start resp status:0x%x, phyid:0x%x\n",
3078 				status, phy_id));
3079 	if (status == 0) {
3080 		phy->phy_state = 1;
3081 		if (pm8001_ha->flags == PM8001F_RUN_TIME)
3082 			complete(phy->enable_completion);
3083 	}
3084 	return 0;
3085 
3086 }
3087 
3088 /**
3089  * mpi_thermal_hw_event -The hw event has come.
3090  * @pm8001_ha: our hba card information
3091  * @piomb: IO message buffer
3092  */
3093 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3094 {
3095 	struct thermal_hw_event *pPayload =
3096 		(struct thermal_hw_event *)(piomb + 4);
3097 
3098 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3099 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3100 
3101 	if (thermal_event & 0x40) {
3102 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3103 			"Thermal Event: Local high temperature violated!\n"));
3104 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3105 			"Thermal Event: Measured local high temperature %d\n",
3106 				((rht_lht & 0xFF00) >> 8)));
3107 	}
3108 	if (thermal_event & 0x10) {
3109 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3110 			"Thermal Event: Remote high temperature violated!\n"));
3111 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3112 			"Thermal Event: Measured remote high temperature %d\n",
3113 				((rht_lht & 0xFF000000) >> 24)));
3114 	}
3115 	return 0;
3116 }
3117 
3118 /**
3119  * mpi_hw_event -The hw event has come.
3120  * @pm8001_ha: our hba card information
3121  * @piomb: IO message buffer
3122  */
3123 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3124 {
3125 	unsigned long flags;
3126 	struct hw_event_resp *pPayload =
3127 		(struct hw_event_resp *)(piomb + 4);
3128 	u32 lr_status_evt_portid =
3129 		le32_to_cpu(pPayload->lr_status_evt_portid);
3130 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3131 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3132 	u8 phy_id =
3133 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3134 	u16 eventType =
3135 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3136 	u8 status =
3137 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3138 
3139 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3140 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3141 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3142 	PM8001_MSG_DBG(pm8001_ha,
3143 		pm8001_printk("portid:%d phyid:%d event:0x%x status:0x%x\n",
3144 				port_id, phy_id, eventType, status));
3145 
3146 	switch (eventType) {
3147 
3148 	case HW_EVENT_SAS_PHY_UP:
3149 		PM8001_MSG_DBG(pm8001_ha,
3150 			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3151 		hw_event_sas_phy_up(pm8001_ha, piomb);
3152 		break;
3153 	case HW_EVENT_SATA_PHY_UP:
3154 		PM8001_MSG_DBG(pm8001_ha,
3155 			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3156 		hw_event_sata_phy_up(pm8001_ha, piomb);
3157 		break;
3158 	case HW_EVENT_SATA_SPINUP_HOLD:
3159 		PM8001_MSG_DBG(pm8001_ha,
3160 			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3161 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3162 		break;
3163 	case HW_EVENT_PHY_DOWN:
3164 		PM8001_MSG_DBG(pm8001_ha,
3165 			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3166 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3167 		phy->phy_attached = 0;
3168 		phy->phy_state = 0;
3169 		hw_event_phy_down(pm8001_ha, piomb);
3170 		break;
3171 	case HW_EVENT_PORT_INVALID:
3172 		PM8001_MSG_DBG(pm8001_ha,
3173 			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3174 		sas_phy_disconnected(sas_phy);
3175 		phy->phy_attached = 0;
3176 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3177 		break;
3178 	/* the broadcast change primitive received, tell the LIBSAS this event
3179 	to revalidate the sas domain*/
3180 	case HW_EVENT_BROADCAST_CHANGE:
3181 		PM8001_MSG_DBG(pm8001_ha,
3182 			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3183 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3184 			port_id, phy_id, 1, 0);
3185 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3186 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3187 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3188 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3189 		break;
3190 	case HW_EVENT_PHY_ERROR:
3191 		PM8001_MSG_DBG(pm8001_ha,
3192 			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3193 		sas_phy_disconnected(&phy->sas_phy);
3194 		phy->phy_attached = 0;
3195 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3196 		break;
3197 	case HW_EVENT_BROADCAST_EXP:
3198 		PM8001_MSG_DBG(pm8001_ha,
3199 			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3200 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3201 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3202 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3203 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3204 		break;
3205 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3206 		PM8001_MSG_DBG(pm8001_ha,
3207 			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3208 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3209 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3210 		sas_phy_disconnected(sas_phy);
3211 		phy->phy_attached = 0;
3212 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3213 		break;
3214 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3215 		PM8001_MSG_DBG(pm8001_ha,
3216 			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3217 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3218 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3219 			port_id, phy_id, 0, 0);
3220 		sas_phy_disconnected(sas_phy);
3221 		phy->phy_attached = 0;
3222 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3223 		break;
3224 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3225 		PM8001_MSG_DBG(pm8001_ha,
3226 			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3227 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3228 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3229 			port_id, phy_id, 0, 0);
3230 		sas_phy_disconnected(sas_phy);
3231 		phy->phy_attached = 0;
3232 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3233 		break;
3234 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3235 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3236 				"HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3237 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3238 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3239 			port_id, phy_id, 0, 0);
3240 		sas_phy_disconnected(sas_phy);
3241 		phy->phy_attached = 0;
3242 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3243 		break;
3244 	case HW_EVENT_MALFUNCTION:
3245 		PM8001_MSG_DBG(pm8001_ha,
3246 			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3247 		break;
3248 	case HW_EVENT_BROADCAST_SES:
3249 		PM8001_MSG_DBG(pm8001_ha,
3250 			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3251 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3252 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3253 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3254 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3255 		break;
3256 	case HW_EVENT_INBOUND_CRC_ERROR:
3257 		PM8001_MSG_DBG(pm8001_ha,
3258 			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3259 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3260 			HW_EVENT_INBOUND_CRC_ERROR,
3261 			port_id, phy_id, 0, 0);
3262 		break;
3263 	case HW_EVENT_HARD_RESET_RECEIVED:
3264 		PM8001_MSG_DBG(pm8001_ha,
3265 			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3266 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3267 		break;
3268 	case HW_EVENT_ID_FRAME_TIMEOUT:
3269 		PM8001_MSG_DBG(pm8001_ha,
3270 			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3271 		sas_phy_disconnected(sas_phy);
3272 		phy->phy_attached = 0;
3273 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3274 		break;
3275 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3276 		PM8001_MSG_DBG(pm8001_ha,
3277 			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3278 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3279 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3280 			port_id, phy_id, 0, 0);
3281 		sas_phy_disconnected(sas_phy);
3282 		phy->phy_attached = 0;
3283 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3284 		break;
3285 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3286 		PM8001_MSG_DBG(pm8001_ha,
3287 			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3288 		sas_phy_disconnected(sas_phy);
3289 		phy->phy_attached = 0;
3290 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3291 		break;
3292 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3293 		PM8001_MSG_DBG(pm8001_ha,
3294 			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3295 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3296 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3297 			port_id, phy_id, 0, 0);
3298 		sas_phy_disconnected(sas_phy);
3299 		phy->phy_attached = 0;
3300 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3301 		break;
3302 	case HW_EVENT_PORT_RECOVER:
3303 		PM8001_MSG_DBG(pm8001_ha,
3304 			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3305 		break;
3306 	case HW_EVENT_PORT_RESET_COMPLETE:
3307 		PM8001_MSG_DBG(pm8001_ha,
3308 			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3309 		break;
3310 	case EVENT_BROADCAST_ASYNCH_EVENT:
3311 		PM8001_MSG_DBG(pm8001_ha,
3312 			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3313 		break;
3314 	default:
3315 		PM8001_MSG_DBG(pm8001_ha,
3316 			pm8001_printk("Unknown event type 0x%x\n", eventType));
3317 		break;
3318 	}
3319 	return 0;
3320 }
3321 
3322 /**
3323  * mpi_phy_stop_resp - SPCv specific
3324  * @pm8001_ha: our hba card information
3325  * @piomb: IO message buffer
3326  */
3327 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3328 {
3329 	struct phy_stop_resp *pPayload =
3330 		(struct phy_stop_resp *)(piomb + 4);
3331 	u32 status =
3332 		le32_to_cpu(pPayload->status);
3333 	u32 phyid =
3334 		le32_to_cpu(pPayload->phyid);
3335 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3336 	PM8001_MSG_DBG(pm8001_ha,
3337 			pm8001_printk("phy:0x%x status:0x%x\n",
3338 					phyid, status));
3339 	if (status == 0)
3340 		phy->phy_state = 0;
3341 	return 0;
3342 }
3343 
3344 /**
3345  * mpi_set_controller_config_resp - SPCv specific
3346  * @pm8001_ha: our hba card information
3347  * @piomb: IO message buffer
3348  */
3349 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3350 			void *piomb)
3351 {
3352 	struct set_ctrl_cfg_resp *pPayload =
3353 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3354 	u32 status = le32_to_cpu(pPayload->status);
3355 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3356 
3357 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3358 			"SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3359 			status, err_qlfr_pgcd));
3360 
3361 	return 0;
3362 }
3363 
3364 /**
3365  * mpi_get_controller_config_resp - SPCv specific
3366  * @pm8001_ha: our hba card information
3367  * @piomb: IO message buffer
3368  */
3369 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3370 			void *piomb)
3371 {
3372 	PM8001_MSG_DBG(pm8001_ha,
3373 			pm8001_printk(" pm80xx_addition_functionality\n"));
3374 
3375 	return 0;
3376 }
3377 
3378 /**
3379  * mpi_get_phy_profile_resp - SPCv specific
3380  * @pm8001_ha: our hba card information
3381  * @piomb: IO message buffer
3382  */
3383 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3384 			void *piomb)
3385 {
3386 	PM8001_MSG_DBG(pm8001_ha,
3387 			pm8001_printk(" pm80xx_addition_functionality\n"));
3388 
3389 	return 0;
3390 }
3391 
3392 /**
3393  * mpi_flash_op_ext_resp - SPCv specific
3394  * @pm8001_ha: our hba card information
3395  * @piomb: IO message buffer
3396  */
3397 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3398 {
3399 	PM8001_MSG_DBG(pm8001_ha,
3400 			pm8001_printk(" pm80xx_addition_functionality\n"));
3401 
3402 	return 0;
3403 }
3404 
3405 /**
3406  * mpi_set_phy_profile_resp - SPCv specific
3407  * @pm8001_ha: our hba card information
3408  * @piomb: IO message buffer
3409  */
3410 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3411 			void *piomb)
3412 {
3413 	u8 page_code;
3414 	struct set_phy_profile_resp *pPayload =
3415 		(struct set_phy_profile_resp *)(piomb + 4);
3416 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3417 	u32 status = le32_to_cpu(pPayload->status);
3418 
3419 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3420 	if (status) {
3421 		/* status is FAILED */
3422 		PM8001_FAIL_DBG(pm8001_ha,
3423 			pm8001_printk("PhyProfile command failed  with status "
3424 			"0x%08X \n", status));
3425 		return -1;
3426 	} else {
3427 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3428 			PM8001_FAIL_DBG(pm8001_ha,
3429 				pm8001_printk("Invalid page code 0x%X\n",
3430 					page_code));
3431 			return -1;
3432 		}
3433 	}
3434 	return 0;
3435 }
3436 
3437 /**
3438  * mpi_kek_management_resp - SPCv specific
3439  * @pm8001_ha: our hba card information
3440  * @piomb: IO message buffer
3441  */
3442 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3443 			void *piomb)
3444 {
3445 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3446 
3447 	u32 status = le32_to_cpu(pPayload->status);
3448 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3449 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3450 
3451 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3452 		"KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3453 		status, kidx_new_curr_ksop, err_qlfr));
3454 
3455 	return 0;
3456 }
3457 
3458 /**
3459  * mpi_dek_management_resp - SPCv specific
3460  * @pm8001_ha: our hba card information
3461  * @piomb: IO message buffer
3462  */
3463 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3464 			void *piomb)
3465 {
3466 	PM8001_MSG_DBG(pm8001_ha,
3467 			pm8001_printk(" pm80xx_addition_functionality\n"));
3468 
3469 	return 0;
3470 }
3471 
3472 /**
3473  * ssp_coalesced_comp_resp - SPCv specific
3474  * @pm8001_ha: our hba card information
3475  * @piomb: IO message buffer
3476  */
3477 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3478 			void *piomb)
3479 {
3480 	PM8001_MSG_DBG(pm8001_ha,
3481 			pm8001_printk(" pm80xx_addition_functionality\n"));
3482 
3483 	return 0;
3484 }
3485 
3486 /**
3487  * process_one_iomb - process one outbound Queue memory block
3488  * @pm8001_ha: our hba card information
3489  * @piomb: IO message buffer
3490  */
3491 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3492 {
3493 	__le32 pHeader = *(__le32 *)piomb;
3494 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3495 
3496 	switch (opc) {
3497 	case OPC_OUB_ECHO:
3498 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3499 		break;
3500 	case OPC_OUB_HW_EVENT:
3501 		PM8001_MSG_DBG(pm8001_ha,
3502 			pm8001_printk("OPC_OUB_HW_EVENT\n"));
3503 		mpi_hw_event(pm8001_ha, piomb);
3504 		break;
3505 	case OPC_OUB_THERM_HW_EVENT:
3506 		PM8001_MSG_DBG(pm8001_ha,
3507 			pm8001_printk("OPC_OUB_THERMAL_EVENT\n"));
3508 		mpi_thermal_hw_event(pm8001_ha, piomb);
3509 		break;
3510 	case OPC_OUB_SSP_COMP:
3511 		PM8001_MSG_DBG(pm8001_ha,
3512 			pm8001_printk("OPC_OUB_SSP_COMP\n"));
3513 		mpi_ssp_completion(pm8001_ha, piomb);
3514 		break;
3515 	case OPC_OUB_SMP_COMP:
3516 		PM8001_MSG_DBG(pm8001_ha,
3517 			pm8001_printk("OPC_OUB_SMP_COMP\n"));
3518 		mpi_smp_completion(pm8001_ha, piomb);
3519 		break;
3520 	case OPC_OUB_LOCAL_PHY_CNTRL:
3521 		PM8001_MSG_DBG(pm8001_ha,
3522 			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3523 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3524 		break;
3525 	case OPC_OUB_DEV_REGIST:
3526 		PM8001_MSG_DBG(pm8001_ha,
3527 		pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3528 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3529 		break;
3530 	case OPC_OUB_DEREG_DEV:
3531 		PM8001_MSG_DBG(pm8001_ha,
3532 			pm8001_printk("unregister the device\n"));
3533 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3534 		break;
3535 	case OPC_OUB_GET_DEV_HANDLE:
3536 		PM8001_MSG_DBG(pm8001_ha,
3537 			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3538 		break;
3539 	case OPC_OUB_SATA_COMP:
3540 		PM8001_MSG_DBG(pm8001_ha,
3541 			pm8001_printk("OPC_OUB_SATA_COMP\n"));
3542 		mpi_sata_completion(pm8001_ha, piomb);
3543 		break;
3544 	case OPC_OUB_SATA_EVENT:
3545 		PM8001_MSG_DBG(pm8001_ha,
3546 			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3547 		mpi_sata_event(pm8001_ha, piomb);
3548 		break;
3549 	case OPC_OUB_SSP_EVENT:
3550 		PM8001_MSG_DBG(pm8001_ha,
3551 			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3552 		mpi_ssp_event(pm8001_ha, piomb);
3553 		break;
3554 	case OPC_OUB_DEV_HANDLE_ARRIV:
3555 		PM8001_MSG_DBG(pm8001_ha,
3556 			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3557 		/*This is for target*/
3558 		break;
3559 	case OPC_OUB_SSP_RECV_EVENT:
3560 		PM8001_MSG_DBG(pm8001_ha,
3561 			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3562 		/*This is for target*/
3563 		break;
3564 	case OPC_OUB_FW_FLASH_UPDATE:
3565 		PM8001_MSG_DBG(pm8001_ha,
3566 			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3567 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3568 		break;
3569 	case OPC_OUB_GPIO_RESPONSE:
3570 		PM8001_MSG_DBG(pm8001_ha,
3571 			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3572 		break;
3573 	case OPC_OUB_GPIO_EVENT:
3574 		PM8001_MSG_DBG(pm8001_ha,
3575 			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3576 		break;
3577 	case OPC_OUB_GENERAL_EVENT:
3578 		PM8001_MSG_DBG(pm8001_ha,
3579 			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3580 		pm8001_mpi_general_event(pm8001_ha, piomb);
3581 		break;
3582 	case OPC_OUB_SSP_ABORT_RSP:
3583 		PM8001_MSG_DBG(pm8001_ha,
3584 			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3585 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3586 		break;
3587 	case OPC_OUB_SATA_ABORT_RSP:
3588 		PM8001_MSG_DBG(pm8001_ha,
3589 			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3590 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3591 		break;
3592 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3593 		PM8001_MSG_DBG(pm8001_ha,
3594 			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3595 		break;
3596 	case OPC_OUB_SAS_DIAG_EXECUTE:
3597 		PM8001_MSG_DBG(pm8001_ha,
3598 			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3599 		break;
3600 	case OPC_OUB_GET_TIME_STAMP:
3601 		PM8001_MSG_DBG(pm8001_ha,
3602 			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3603 		break;
3604 	case OPC_OUB_SAS_HW_EVENT_ACK:
3605 		PM8001_MSG_DBG(pm8001_ha,
3606 			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3607 		break;
3608 	case OPC_OUB_PORT_CONTROL:
3609 		PM8001_MSG_DBG(pm8001_ha,
3610 			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3611 		break;
3612 	case OPC_OUB_SMP_ABORT_RSP:
3613 		PM8001_MSG_DBG(pm8001_ha,
3614 			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3615 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3616 		break;
3617 	case OPC_OUB_GET_NVMD_DATA:
3618 		PM8001_MSG_DBG(pm8001_ha,
3619 			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3620 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3621 		break;
3622 	case OPC_OUB_SET_NVMD_DATA:
3623 		PM8001_MSG_DBG(pm8001_ha,
3624 			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3625 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3626 		break;
3627 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3628 		PM8001_MSG_DBG(pm8001_ha,
3629 			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3630 		break;
3631 	case OPC_OUB_SET_DEVICE_STATE:
3632 		PM8001_MSG_DBG(pm8001_ha,
3633 			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3634 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3635 		break;
3636 	case OPC_OUB_GET_DEVICE_STATE:
3637 		PM8001_MSG_DBG(pm8001_ha,
3638 			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3639 		break;
3640 	case OPC_OUB_SET_DEV_INFO:
3641 		PM8001_MSG_DBG(pm8001_ha,
3642 			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3643 		break;
3644 	/* spcv specifc commands */
3645 	case OPC_OUB_PHY_START_RESP:
3646 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3647 			"OPC_OUB_PHY_START_RESP opcode:%x\n", opc));
3648 		mpi_phy_start_resp(pm8001_ha, piomb);
3649 		break;
3650 	case OPC_OUB_PHY_STOP_RESP:
3651 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3652 			"OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc));
3653 		mpi_phy_stop_resp(pm8001_ha, piomb);
3654 		break;
3655 	case OPC_OUB_SET_CONTROLLER_CONFIG:
3656 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3657 			"OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc));
3658 		mpi_set_controller_config_resp(pm8001_ha, piomb);
3659 		break;
3660 	case OPC_OUB_GET_CONTROLLER_CONFIG:
3661 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3662 			"OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc));
3663 		mpi_get_controller_config_resp(pm8001_ha, piomb);
3664 		break;
3665 	case OPC_OUB_GET_PHY_PROFILE:
3666 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3667 			"OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc));
3668 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
3669 		break;
3670 	case OPC_OUB_FLASH_OP_EXT:
3671 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3672 			"OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc));
3673 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
3674 		break;
3675 	case OPC_OUB_SET_PHY_PROFILE:
3676 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3677 			"OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc));
3678 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
3679 		break;
3680 	case OPC_OUB_KEK_MANAGEMENT_RESP:
3681 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3682 			"OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc));
3683 		mpi_kek_management_resp(pm8001_ha, piomb);
3684 		break;
3685 	case OPC_OUB_DEK_MANAGEMENT_RESP:
3686 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3687 			"OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc));
3688 		mpi_dek_management_resp(pm8001_ha, piomb);
3689 		break;
3690 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
3691 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3692 			"OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc));
3693 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
3694 		break;
3695 	default:
3696 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3697 			"Unknown outbound Queue IOMB OPC = 0x%x\n", opc));
3698 		break;
3699 	}
3700 }
3701 
3702 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3703 {
3704 	struct outbound_queue_table *circularQ;
3705 	void *pMsg1 = NULL;
3706 	u8 uninitialized_var(bc);
3707 	u32 ret = MPI_IO_STATUS_FAIL;
3708 	unsigned long flags;
3709 
3710 	spin_lock_irqsave(&pm8001_ha->lock, flags);
3711 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3712 	do {
3713 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3714 		if (MPI_IO_STATUS_SUCCESS == ret) {
3715 			/* process the outbound message */
3716 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3717 			/* free the message from the outbound circular buffer */
3718 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3719 							circularQ, bc);
3720 		}
3721 		if (MPI_IO_STATUS_BUSY == ret) {
3722 			/* Update the producer index from SPC */
3723 			circularQ->producer_index =
3724 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3725 			if (le32_to_cpu(circularQ->producer_index) ==
3726 				circularQ->consumer_idx)
3727 				/* OQ is empty */
3728 				break;
3729 		}
3730 	} while (1);
3731 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3732 	return ret;
3733 }
3734 
3735 /* PCI_DMA_... to our direction translation. */
3736 static const u8 data_dir_flags[] = {
3737 	[PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
3738 	[PCI_DMA_TODEVICE]	= DATA_DIR_OUT,/* OUTBOUND */
3739 	[PCI_DMA_FROMDEVICE]	= DATA_DIR_IN,/* INBOUND */
3740 	[PCI_DMA_NONE]		= DATA_DIR_NONE,/* NO TRANSFER */
3741 };
3742 
3743 static void build_smp_cmd(u32 deviceID, __le32 hTag,
3744 			struct smp_req *psmp_cmd, int mode, int length)
3745 {
3746 	psmp_cmd->tag = hTag;
3747 	psmp_cmd->device_id = cpu_to_le32(deviceID);
3748 	if (mode == SMP_DIRECT) {
3749 		length = length - 4; /* subtract crc */
3750 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
3751 	} else {
3752 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3753 	}
3754 }
3755 
3756 /**
3757  * pm8001_chip_smp_req - send a SMP task to FW
3758  * @pm8001_ha: our hba card information.
3759  * @ccb: the ccb information this request used.
3760  */
3761 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3762 	struct pm8001_ccb_info *ccb)
3763 {
3764 	int elem, rc;
3765 	struct sas_task *task = ccb->task;
3766 	struct domain_device *dev = task->dev;
3767 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3768 	struct scatterlist *sg_req, *sg_resp;
3769 	u32 req_len, resp_len;
3770 	struct smp_req smp_cmd;
3771 	u32 opc;
3772 	struct inbound_queue_table *circularQ;
3773 	char *preq_dma_addr = NULL;
3774 	__le64 tmp_addr;
3775 	u32 i, length;
3776 
3777 	memset(&smp_cmd, 0, sizeof(smp_cmd));
3778 	/*
3779 	 * DMA-map SMP request, response buffers
3780 	 */
3781 	sg_req = &task->smp_task.smp_req;
3782 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
3783 	if (!elem)
3784 		return -ENOMEM;
3785 	req_len = sg_dma_len(sg_req);
3786 
3787 	sg_resp = &task->smp_task.smp_resp;
3788 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
3789 	if (!elem) {
3790 		rc = -ENOMEM;
3791 		goto err_out;
3792 	}
3793 	resp_len = sg_dma_len(sg_resp);
3794 	/* must be in dwords */
3795 	if ((req_len & 0x3) || (resp_len & 0x3)) {
3796 		rc = -EINVAL;
3797 		goto err_out_2;
3798 	}
3799 
3800 	opc = OPC_INB_SMP_REQUEST;
3801 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3802 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3803 
3804 	length = sg_req->length;
3805 	PM8001_IO_DBG(pm8001_ha,
3806 		pm8001_printk("SMP Frame Length %d\n", sg_req->length));
3807 	if (!(length - 8))
3808 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
3809 	else
3810 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
3811 
3812 
3813 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3814 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
3815 
3816 	/* INDIRECT MODE command settings. Use DMA */
3817 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
3818 		PM8001_IO_DBG(pm8001_ha,
3819 			pm8001_printk("SMP REQUEST INDIRECT MODE\n"));
3820 		/* for SPCv indirect mode. Place the top 4 bytes of
3821 		 * SMP Request header here. */
3822 		for (i = 0; i < 4; i++)
3823 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
3824 		/* exclude top 4 bytes for SMP req header */
3825 		smp_cmd.long_smp_req.long_req_addr =
3826 			cpu_to_le64((u64)sg_dma_address
3827 				(&task->smp_task.smp_req) + 4);
3828 		/* exclude 4 bytes for SMP req header and CRC */
3829 		smp_cmd.long_smp_req.long_req_size =
3830 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
3831 		smp_cmd.long_smp_req.long_resp_addr =
3832 				cpu_to_le64((u64)sg_dma_address
3833 					(&task->smp_task.smp_resp));
3834 		smp_cmd.long_smp_req.long_resp_size =
3835 				cpu_to_le32((u32)sg_dma_len
3836 					(&task->smp_task.smp_resp)-4);
3837 	} else { /* DIRECT MODE */
3838 		smp_cmd.long_smp_req.long_req_addr =
3839 			cpu_to_le64((u64)sg_dma_address
3840 					(&task->smp_task.smp_req));
3841 		smp_cmd.long_smp_req.long_req_size =
3842 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3843 		smp_cmd.long_smp_req.long_resp_addr =
3844 			cpu_to_le64((u64)sg_dma_address
3845 				(&task->smp_task.smp_resp));
3846 		smp_cmd.long_smp_req.long_resp_size =
3847 			cpu_to_le32
3848 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3849 	}
3850 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3851 		PM8001_IO_DBG(pm8001_ha,
3852 			pm8001_printk("SMP REQUEST DIRECT MODE\n"));
3853 		for (i = 0; i < length; i++)
3854 			if (i < 16) {
3855 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
3856 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3857 					"Byte[%d]:%x (DMA data:%x)\n",
3858 					i, smp_cmd.smp_req16[i],
3859 					*(preq_dma_addr)));
3860 			} else {
3861 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
3862 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3863 					"Byte[%d]:%x (DMA data:%x)\n",
3864 					i, smp_cmd.smp_req[i],
3865 					*(preq_dma_addr)));
3866 			}
3867 	}
3868 
3869 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
3870 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
3871 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd, 0);
3872 	return 0;
3873 
3874 err_out_2:
3875 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3876 			PCI_DMA_FROMDEVICE);
3877 err_out:
3878 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3879 			PCI_DMA_TODEVICE);
3880 	return rc;
3881 }
3882 
3883 static int check_enc_sas_cmd(struct sas_task *task)
3884 {
3885 	u8 cmd = task->ssp_task.cmd->cmnd[0];
3886 
3887 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
3888 		return 1;
3889 	else
3890 		return 0;
3891 }
3892 
3893 static int check_enc_sat_cmd(struct sas_task *task)
3894 {
3895 	int ret = 0;
3896 	switch (task->ata_task.fis.command) {
3897 	case ATA_CMD_FPDMA_READ:
3898 	case ATA_CMD_READ_EXT:
3899 	case ATA_CMD_READ:
3900 	case ATA_CMD_FPDMA_WRITE:
3901 	case ATA_CMD_WRITE_EXT:
3902 	case ATA_CMD_WRITE:
3903 	case ATA_CMD_PIO_READ:
3904 	case ATA_CMD_PIO_READ_EXT:
3905 	case ATA_CMD_PIO_WRITE:
3906 	case ATA_CMD_PIO_WRITE_EXT:
3907 		ret = 1;
3908 		break;
3909 	default:
3910 		ret = 0;
3911 		break;
3912 	}
3913 	return ret;
3914 }
3915 
3916 /**
3917  * pm80xx_chip_ssp_io_req - send a SSP task to FW
3918  * @pm8001_ha: our hba card information.
3919  * @ccb: the ccb information this request used.
3920  */
3921 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3922 	struct pm8001_ccb_info *ccb)
3923 {
3924 	struct sas_task *task = ccb->task;
3925 	struct domain_device *dev = task->dev;
3926 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3927 	struct ssp_ini_io_start_req ssp_cmd;
3928 	u32 tag = ccb->ccb_tag;
3929 	int ret;
3930 	u64 phys_addr, start_addr, end_addr;
3931 	u32 end_addr_high, end_addr_low;
3932 	struct inbound_queue_table *circularQ;
3933 	u32 q_index;
3934 	u32 opc = OPC_INB_SSPINIIOSTART;
3935 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3936 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3937 	/* data address domain added for spcv; set to 0 by host,
3938 	 * used internally by controller
3939 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
3940 	 */
3941 	ssp_cmd.dad_dir_m_tlr =
3942 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
3943 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3944 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
3945 	ssp_cmd.tag = cpu_to_le32(tag);
3946 	if (task->ssp_task.enable_first_burst)
3947 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
3948 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
3949 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
3950 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
3951 		       task->ssp_task.cmd->cmd_len);
3952 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
3953 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
3954 
3955 	/* Check if encryption is set */
3956 	if (pm8001_ha->chip->encrypt &&
3957 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
3958 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3959 			"Encryption enabled.Sending Encrypt SAS command 0x%x\n",
3960 			task->ssp_task.cmd->cmnd[0]));
3961 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
3962 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
3963 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
3964 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
3965 
3966 		/* fill in PRD (scatter/gather) table, if any */
3967 		if (task->num_scatter > 1) {
3968 			pm8001_chip_make_sg(task->scatter,
3969 						ccb->n_elem, ccb->buf_prd);
3970 			phys_addr = ccb->ccb_dma_handle +
3971 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
3972 			ssp_cmd.enc_addr_low =
3973 				cpu_to_le32(lower_32_bits(phys_addr));
3974 			ssp_cmd.enc_addr_high =
3975 				cpu_to_le32(upper_32_bits(phys_addr));
3976 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
3977 		} else if (task->num_scatter == 1) {
3978 			u64 dma_addr = sg_dma_address(task->scatter);
3979 			ssp_cmd.enc_addr_low =
3980 				cpu_to_le32(lower_32_bits(dma_addr));
3981 			ssp_cmd.enc_addr_high =
3982 				cpu_to_le32(upper_32_bits(dma_addr));
3983 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
3984 			ssp_cmd.enc_esgl = 0;
3985 			/* Check 4G Boundary */
3986 			start_addr = cpu_to_le64(dma_addr);
3987 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
3988 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
3989 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
3990 			if (end_addr_high != ssp_cmd.enc_addr_high) {
3991 				PM8001_FAIL_DBG(pm8001_ha,
3992 					pm8001_printk("The sg list address "
3993 					"start_addr=0x%016llx data_len=0x%x "
3994 					"end_addr_high=0x%08x end_addr_low="
3995 					"0x%08x has crossed 4G boundary\n",
3996 						start_addr, ssp_cmd.enc_len,
3997 						end_addr_high, end_addr_low));
3998 				pm8001_chip_make_sg(task->scatter, 1,
3999 					ccb->buf_prd);
4000 				phys_addr = ccb->ccb_dma_handle +
4001 					offsetof(struct pm8001_ccb_info,
4002 						buf_prd[0]);
4003 				ssp_cmd.enc_addr_low =
4004 					cpu_to_le32(lower_32_bits(phys_addr));
4005 				ssp_cmd.enc_addr_high =
4006 					cpu_to_le32(upper_32_bits(phys_addr));
4007 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4008 			}
4009 		} else if (task->num_scatter == 0) {
4010 			ssp_cmd.enc_addr_low = 0;
4011 			ssp_cmd.enc_addr_high = 0;
4012 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4013 			ssp_cmd.enc_esgl = 0;
4014 		}
4015 		/* XTS mode. All other fields are 0 */
4016 		ssp_cmd.key_cmode = 0x6 << 4;
4017 		/* set tweak values. Should be the start lba */
4018 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4019 						(task->ssp_task.cmd->cmnd[3] << 16) |
4020 						(task->ssp_task.cmd->cmnd[4] << 8) |
4021 						(task->ssp_task.cmd->cmnd[5]));
4022 	} else {
4023 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4024 			"Sending Normal SAS command 0x%x inb q %x\n",
4025 			task->ssp_task.cmd->cmnd[0], q_index));
4026 		/* fill in PRD (scatter/gather) table, if any */
4027 		if (task->num_scatter > 1) {
4028 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4029 					ccb->buf_prd);
4030 			phys_addr = ccb->ccb_dma_handle +
4031 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4032 			ssp_cmd.addr_low =
4033 				cpu_to_le32(lower_32_bits(phys_addr));
4034 			ssp_cmd.addr_high =
4035 				cpu_to_le32(upper_32_bits(phys_addr));
4036 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4037 		} else if (task->num_scatter == 1) {
4038 			u64 dma_addr = sg_dma_address(task->scatter);
4039 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4040 			ssp_cmd.addr_high =
4041 				cpu_to_le32(upper_32_bits(dma_addr));
4042 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4043 			ssp_cmd.esgl = 0;
4044 			/* Check 4G Boundary */
4045 			start_addr = cpu_to_le64(dma_addr);
4046 			end_addr = (start_addr + ssp_cmd.len) - 1;
4047 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4048 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4049 			if (end_addr_high != ssp_cmd.addr_high) {
4050 				PM8001_FAIL_DBG(pm8001_ha,
4051 					pm8001_printk("The sg list address "
4052 					"start_addr=0x%016llx data_len=0x%x "
4053 					"end_addr_high=0x%08x end_addr_low="
4054 					"0x%08x has crossed 4G boundary\n",
4055 						 start_addr, ssp_cmd.len,
4056 						 end_addr_high, end_addr_low));
4057 				pm8001_chip_make_sg(task->scatter, 1,
4058 					ccb->buf_prd);
4059 				phys_addr = ccb->ccb_dma_handle +
4060 					offsetof(struct pm8001_ccb_info,
4061 						 buf_prd[0]);
4062 				ssp_cmd.addr_low =
4063 					cpu_to_le32(lower_32_bits(phys_addr));
4064 				ssp_cmd.addr_high =
4065 					cpu_to_le32(upper_32_bits(phys_addr));
4066 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4067 			}
4068 		} else if (task->num_scatter == 0) {
4069 			ssp_cmd.addr_low = 0;
4070 			ssp_cmd.addr_high = 0;
4071 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4072 			ssp_cmd.esgl = 0;
4073 		}
4074 	}
4075 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4076 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4077 						&ssp_cmd, q_index);
4078 	return ret;
4079 }
4080 
4081 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4082 	struct pm8001_ccb_info *ccb)
4083 {
4084 	struct sas_task *task = ccb->task;
4085 	struct domain_device *dev = task->dev;
4086 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4087 	u32 tag = ccb->ccb_tag;
4088 	int ret;
4089 	u32 q_index;
4090 	struct sata_start_req sata_cmd;
4091 	u32 hdr_tag, ncg_tag = 0;
4092 	u64 phys_addr, start_addr, end_addr;
4093 	u32 end_addr_high, end_addr_low;
4094 	u32 ATAP = 0x0;
4095 	u32 dir;
4096 	struct inbound_queue_table *circularQ;
4097 	unsigned long flags;
4098 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4099 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4100 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4101 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4102 
4103 	if (task->data_dir == PCI_DMA_NONE) {
4104 		ATAP = 0x04; /* no data*/
4105 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4106 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4107 		if (task->ata_task.dma_xfer) {
4108 			ATAP = 0x06; /* DMA */
4109 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4110 		} else {
4111 			ATAP = 0x05; /* PIO*/
4112 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4113 		}
4114 		if (task->ata_task.use_ncq &&
4115 			dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
4116 			ATAP = 0x07; /* FPDMA */
4117 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4118 		}
4119 	}
4120 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4121 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4122 		ncg_tag = hdr_tag;
4123 	}
4124 	dir = data_dir_flags[task->data_dir] << 8;
4125 	sata_cmd.tag = cpu_to_le32(tag);
4126 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4127 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4128 
4129 	sata_cmd.sata_fis = task->ata_task.fis;
4130 	if (likely(!task->ata_task.device_control_reg_update))
4131 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4132 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4133 
4134 	/* Check if encryption is set */
4135 	if (pm8001_ha->chip->encrypt &&
4136 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4137 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4138 			"Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4139 			sata_cmd.sata_fis.command));
4140 		opc = OPC_INB_SATA_DIF_ENC_IO;
4141 
4142 		/* set encryption bit */
4143 		sata_cmd.ncqtag_atap_dir_m_dad =
4144 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4145 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4146 							/* dad (bit 0-1) is 0 */
4147 		/* fill in PRD (scatter/gather) table, if any */
4148 		if (task->num_scatter > 1) {
4149 			pm8001_chip_make_sg(task->scatter,
4150 						ccb->n_elem, ccb->buf_prd);
4151 			phys_addr = ccb->ccb_dma_handle +
4152 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4153 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4154 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4155 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4156 		} else if (task->num_scatter == 1) {
4157 			u64 dma_addr = sg_dma_address(task->scatter);
4158 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4159 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4160 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4161 			sata_cmd.enc_esgl = 0;
4162 			/* Check 4G Boundary */
4163 			start_addr = cpu_to_le64(dma_addr);
4164 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4165 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4166 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4167 			if (end_addr_high != sata_cmd.enc_addr_high) {
4168 				PM8001_FAIL_DBG(pm8001_ha,
4169 					pm8001_printk("The sg list address "
4170 					"start_addr=0x%016llx data_len=0x%x "
4171 					"end_addr_high=0x%08x end_addr_low"
4172 					"=0x%08x has crossed 4G boundary\n",
4173 						start_addr, sata_cmd.enc_len,
4174 						end_addr_high, end_addr_low));
4175 				pm8001_chip_make_sg(task->scatter, 1,
4176 					ccb->buf_prd);
4177 				phys_addr = ccb->ccb_dma_handle +
4178 						offsetof(struct pm8001_ccb_info,
4179 						buf_prd[0]);
4180 				sata_cmd.enc_addr_low =
4181 					lower_32_bits(phys_addr);
4182 				sata_cmd.enc_addr_high =
4183 					upper_32_bits(phys_addr);
4184 				sata_cmd.enc_esgl =
4185 					cpu_to_le32(1 << 31);
4186 			}
4187 		} else if (task->num_scatter == 0) {
4188 			sata_cmd.enc_addr_low = 0;
4189 			sata_cmd.enc_addr_high = 0;
4190 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4191 			sata_cmd.enc_esgl = 0;
4192 		}
4193 		/* XTS mode. All other fields are 0 */
4194 		sata_cmd.key_index_mode = 0x6 << 4;
4195 		/* set tweak values. Should be the start lba */
4196 		sata_cmd.twk_val0 =
4197 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4198 					(sata_cmd.sata_fis.lbah << 16) |
4199 					(sata_cmd.sata_fis.lbam << 8) |
4200 					(sata_cmd.sata_fis.lbal));
4201 		sata_cmd.twk_val1 =
4202 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4203 					 (sata_cmd.sata_fis.lbam_exp));
4204 	} else {
4205 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4206 			"Sending Normal SATA command 0x%x inb %x\n",
4207 			sata_cmd.sata_fis.command, q_index));
4208 		/* dad (bit 0-1) is 0 */
4209 		sata_cmd.ncqtag_atap_dir_m_dad =
4210 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4211 					((ATAP & 0x3f) << 10) | dir);
4212 
4213 		/* fill in PRD (scatter/gather) table, if any */
4214 		if (task->num_scatter > 1) {
4215 			pm8001_chip_make_sg(task->scatter,
4216 					ccb->n_elem, ccb->buf_prd);
4217 			phys_addr = ccb->ccb_dma_handle +
4218 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4219 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4220 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4221 			sata_cmd.esgl = cpu_to_le32(1 << 31);
4222 		} else if (task->num_scatter == 1) {
4223 			u64 dma_addr = sg_dma_address(task->scatter);
4224 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4225 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4226 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4227 			sata_cmd.esgl = 0;
4228 			/* Check 4G Boundary */
4229 			start_addr = cpu_to_le64(dma_addr);
4230 			end_addr = (start_addr + sata_cmd.len) - 1;
4231 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4232 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4233 			if (end_addr_high != sata_cmd.addr_high) {
4234 				PM8001_FAIL_DBG(pm8001_ha,
4235 					pm8001_printk("The sg list address "
4236 					"start_addr=0x%016llx data_len=0x%x"
4237 					"end_addr_high=0x%08x end_addr_low="
4238 					"0x%08x has crossed 4G boundary\n",
4239 						start_addr, sata_cmd.len,
4240 						end_addr_high, end_addr_low));
4241 				pm8001_chip_make_sg(task->scatter, 1,
4242 					ccb->buf_prd);
4243 				phys_addr = ccb->ccb_dma_handle +
4244 					offsetof(struct pm8001_ccb_info,
4245 					buf_prd[0]);
4246 				sata_cmd.addr_low =
4247 					lower_32_bits(phys_addr);
4248 				sata_cmd.addr_high =
4249 					upper_32_bits(phys_addr);
4250 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4251 			}
4252 		} else if (task->num_scatter == 0) {
4253 			sata_cmd.addr_low = 0;
4254 			sata_cmd.addr_high = 0;
4255 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4256 			sata_cmd.esgl = 0;
4257 		}
4258 			/* scsi cdb */
4259 			sata_cmd.atapi_scsi_cdb[0] =
4260 				cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4261 				(task->ata_task.atapi_packet[1] << 8) |
4262 				(task->ata_task.atapi_packet[2] << 16) |
4263 				(task->ata_task.atapi_packet[3] << 24)));
4264 			sata_cmd.atapi_scsi_cdb[1] =
4265 				cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4266 				(task->ata_task.atapi_packet[5] << 8) |
4267 				(task->ata_task.atapi_packet[6] << 16) |
4268 				(task->ata_task.atapi_packet[7] << 24)));
4269 			sata_cmd.atapi_scsi_cdb[2] =
4270 				cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4271 				(task->ata_task.atapi_packet[9] << 8) |
4272 				(task->ata_task.atapi_packet[10] << 16) |
4273 				(task->ata_task.atapi_packet[11] << 24)));
4274 			sata_cmd.atapi_scsi_cdb[3] =
4275 				cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4276 				(task->ata_task.atapi_packet[13] << 8) |
4277 				(task->ata_task.atapi_packet[14] << 16) |
4278 				(task->ata_task.atapi_packet[15] << 24)));
4279 	}
4280 
4281 	/* Check for read log for failed drive and return */
4282 	if (sata_cmd.sata_fis.command == 0x2f) {
4283 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4284 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4285 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4286 			struct task_status_struct *ts;
4287 
4288 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4289 			ts = &task->task_status;
4290 
4291 			spin_lock_irqsave(&task->task_state_lock, flags);
4292 			ts->resp = SAS_TASK_COMPLETE;
4293 			ts->stat = SAM_STAT_GOOD;
4294 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4295 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4296 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4297 			if (unlikely((task->task_state_flags &
4298 					SAS_TASK_STATE_ABORTED))) {
4299 				spin_unlock_irqrestore(&task->task_state_lock,
4300 							flags);
4301 				PM8001_FAIL_DBG(pm8001_ha,
4302 					pm8001_printk("task 0x%p resp 0x%x "
4303 					" stat 0x%x but aborted by upper layer "
4304 					"\n", task, ts->resp, ts->stat));
4305 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4306 				return 0;
4307 			} else if (task->uldd_task) {
4308 				spin_unlock_irqrestore(&task->task_state_lock,
4309 							flags);
4310 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4311 				mb();/* ditto */
4312 				spin_unlock_irq(&pm8001_ha->lock);
4313 				task->task_done(task);
4314 				spin_lock_irq(&pm8001_ha->lock);
4315 				return 0;
4316 			} else if (!task->uldd_task) {
4317 				spin_unlock_irqrestore(&task->task_state_lock,
4318 							flags);
4319 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4320 				mb();/*ditto*/
4321 				spin_unlock_irq(&pm8001_ha->lock);
4322 				task->task_done(task);
4323 				spin_lock_irq(&pm8001_ha->lock);
4324 				return 0;
4325 			}
4326 		}
4327 	}
4328 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4329 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4330 						&sata_cmd, q_index);
4331 	return ret;
4332 }
4333 
4334 /**
4335  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4336  * @pm8001_ha: our hba card information.
4337  * @num: the inbound queue number
4338  * @phy_id: the phy id which we wanted to start up.
4339  */
4340 static int
4341 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4342 {
4343 	struct phy_start_req payload;
4344 	struct inbound_queue_table *circularQ;
4345 	int ret;
4346 	u32 tag = 0x01;
4347 	u32 opcode = OPC_INB_PHYSTART;
4348 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4349 	memset(&payload, 0, sizeof(payload));
4350 	payload.tag = cpu_to_le32(tag);
4351 
4352 	PM8001_INIT_DBG(pm8001_ha,
4353 		pm8001_printk("PHY START REQ for phy_id %d\n", phy_id));
4354 	/*
4355 	 ** [0:7]	PHY Identifier
4356 	 ** [8:11]	link rate 1.5G, 3G, 6G
4357 	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b Auto mode
4358 	 ** [14]	0b disable spin up hold; 1b enable spin up hold
4359 	 ** [15] ob no change in current PHY analig setup 1b enable using SPAST
4360 	 */
4361 	if (!IS_SPCV_12G(pm8001_ha->pdev))
4362 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4363 				LINKMODE_AUTO | LINKRATE_15 |
4364 				LINKRATE_30 | LINKRATE_60 | phy_id);
4365 	else
4366 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4367 				LINKMODE_AUTO | LINKRATE_15 |
4368 				LINKRATE_30 | LINKRATE_60 | LINKRATE_120 |
4369 				phy_id);
4370 
4371 	/* SSC Disable and SAS Analog ST configuration */
4372 	/**
4373 	payload.ase_sh_lm_slr_phyid =
4374 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4375 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4376 		phy_id);
4377 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4378 	**/
4379 
4380 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4381 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4382 	memcpy(payload.sas_identify.sas_addr,
4383 		pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4384 	payload.sas_identify.phy_id = phy_id;
4385 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4386 	return ret;
4387 }
4388 
4389 /**
4390  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4391  * @pm8001_ha: our hba card information.
4392  * @num: the inbound queue number
4393  * @phy_id: the phy id which we wanted to start up.
4394  */
4395 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4396 	u8 phy_id)
4397 {
4398 	struct phy_stop_req payload;
4399 	struct inbound_queue_table *circularQ;
4400 	int ret;
4401 	u32 tag = 0x01;
4402 	u32 opcode = OPC_INB_PHYSTOP;
4403 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4404 	memset(&payload, 0, sizeof(payload));
4405 	payload.tag = cpu_to_le32(tag);
4406 	payload.phy_id = cpu_to_le32(phy_id);
4407 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4408 	return ret;
4409 }
4410 
4411 /**
4412  * see comments on pm8001_mpi_reg_resp.
4413  */
4414 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4415 	struct pm8001_device *pm8001_dev, u32 flag)
4416 {
4417 	struct reg_dev_req payload;
4418 	u32	opc;
4419 	u32 stp_sspsmp_sata = 0x4;
4420 	struct inbound_queue_table *circularQ;
4421 	u32 linkrate, phy_id;
4422 	int rc, tag = 0xdeadbeef;
4423 	struct pm8001_ccb_info *ccb;
4424 	u8 retryFlag = 0x1;
4425 	u16 firstBurstSize = 0;
4426 	u16 ITNT = 2000;
4427 	struct domain_device *dev = pm8001_dev->sas_device;
4428 	struct domain_device *parent_dev = dev->parent;
4429 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4430 
4431 	memset(&payload, 0, sizeof(payload));
4432 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4433 	if (rc)
4434 		return rc;
4435 	ccb = &pm8001_ha->ccb_info[tag];
4436 	ccb->device = pm8001_dev;
4437 	ccb->ccb_tag = tag;
4438 	payload.tag = cpu_to_le32(tag);
4439 
4440 	if (flag == 1) {
4441 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4442 	} else {
4443 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4444 			stp_sspsmp_sata = 0x00; /* stp*/
4445 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4446 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4447 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4448 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4449 	}
4450 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4451 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4452 	else
4453 		phy_id = pm8001_dev->attached_phy;
4454 
4455 	opc = OPC_INB_REG_DEV;
4456 
4457 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4458 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4459 
4460 	payload.phyid_portid =
4461 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4462 		((phy_id & 0xFF) << 8));
4463 
4464 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4465 		((linkrate & 0x0F) << 24) |
4466 		((stp_sspsmp_sata & 0x03) << 28));
4467 	payload.firstburstsize_ITNexustimeout =
4468 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4469 
4470 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4471 		SAS_ADDR_SIZE);
4472 
4473 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4474 
4475 	return rc;
4476 }
4477 
4478 /**
4479  * pm80xx_chip_phy_ctl_req - support the local phy operation
4480  * @pm8001_ha: our hba card information.
4481  * @num: the inbound queue number
4482  * @phy_id: the phy id which we wanted to operate
4483  * @phy_op:
4484  */
4485 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4486 	u32 phyId, u32 phy_op)
4487 {
4488 	struct local_phy_ctl_req payload;
4489 	struct inbound_queue_table *circularQ;
4490 	int ret;
4491 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4492 	memset(&payload, 0, sizeof(payload));
4493 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4494 	payload.tag = cpu_to_le32(1);
4495 	payload.phyop_phyid =
4496 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4497 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4498 	return ret;
4499 }
4500 
4501 static u32 pm80xx_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4502 {
4503 	u32 value;
4504 #ifdef PM8001_USE_MSIX
4505 	return 1;
4506 #endif
4507 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4508 	if (value)
4509 		return 1;
4510 	return 0;
4511 
4512 }
4513 
4514 /**
4515  * pm8001_chip_isr - PM8001 isr handler.
4516  * @pm8001_ha: our hba card information.
4517  * @irq: irq number.
4518  * @stat: stat.
4519  */
4520 static irqreturn_t
4521 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4522 {
4523 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4524 	process_oq(pm8001_ha, vec);
4525 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4526 	return IRQ_HANDLED;
4527 }
4528 
4529 void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4530 	u32 operation, u32 phyid, u32 length, u32 *buf)
4531 {
4532 	u32 tag , i, j = 0;
4533 	int rc;
4534 	struct set_phy_profile_req payload;
4535 	struct inbound_queue_table *circularQ;
4536 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4537 
4538 	memset(&payload, 0, sizeof(payload));
4539 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4540 	if (rc)
4541 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Invalid tag\n"));
4542 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4543 	payload.tag = cpu_to_le32(tag);
4544 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4545 	PM8001_INIT_DBG(pm8001_ha,
4546 		pm8001_printk(" phy profile command for phy %x ,length is %d\n",
4547 			payload.ppc_phyid, length));
4548 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4549 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4550 		j++;
4551 	}
4552 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4553 }
4554 
4555 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4556 	u32 length, u8 *buf)
4557 {
4558 	u32 page_code, i;
4559 
4560 	page_code = SAS_PHY_ANALOG_SETTINGS_PAGE;
4561 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4562 		mpi_set_phy_profile_req(pm8001_ha,
4563 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4564 		length = length + PHY_DWORD_LENGTH;
4565 	}
4566 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("phy settings completed\n"));
4567 }
4568 const struct pm8001_dispatch pm8001_80xx_dispatch = {
4569 	.name			= "pmc80xx",
4570 	.chip_init		= pm80xx_chip_init,
4571 	.chip_soft_rst		= pm80xx_chip_soft_rst,
4572 	.chip_rst		= pm80xx_hw_chip_rst,
4573 	.chip_iounmap		= pm8001_chip_iounmap,
4574 	.isr			= pm80xx_chip_isr,
4575 	.is_our_interupt	= pm80xx_chip_is_our_interupt,
4576 	.isr_process_oq		= process_oq,
4577 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
4578 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
4579 	.make_prd		= pm8001_chip_make_sg,
4580 	.smp_req		= pm80xx_chip_smp_req,
4581 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
4582 	.sata_req		= pm80xx_chip_sata_req,
4583 	.phy_start_req		= pm80xx_chip_phy_start_req,
4584 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
4585 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
4586 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4587 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
4588 	.task_abort		= pm8001_chip_abort_task,
4589 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4590 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4591 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4592 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4593 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4594 };
4595