xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision cfbb9be8)
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 accum_len , reg_val, index, *temp;
95 	unsigned long start;
96 	u8 *direct_data;
97 	char *fatal_error_data = buf;
98 
99 	pm8001_ha->forensic_info.data_buf.direct_data = buf;
100 	if (pm8001_ha->chip_id == chip_8001) {
101 		pm8001_ha->forensic_info.data_buf.direct_data +=
102 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
103 			"Not supported for SPC controller");
104 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
105 			(char *)buf;
106 	}
107 	if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
108 		PM8001_IO_DBG(pm8001_ha,
109 		pm8001_printk("forensic_info TYPE_NON_FATAL..............\n"));
110 		direct_data = (u8 *)fatal_error_data;
111 		pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
112 		pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
113 		pm8001_ha->forensic_info.data_buf.read_len = 0;
114 
115 		pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
116 
117 		/* start to get data */
118 		/* Program the MEMBASE II Shifting Register with 0x00.*/
119 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
120 				pm8001_ha->fatal_forensic_shift_offset);
121 		pm8001_ha->forensic_last_offset = 0;
122 		pm8001_ha->forensic_fatal_step = 0;
123 		pm8001_ha->fatal_bar_loc = 0;
124 	}
125 
126 	/* Read until accum_len is retrived */
127 	accum_len = pm8001_mr32(fatal_table_address,
128 				MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
129 	PM8001_IO_DBG(pm8001_ha, pm8001_printk("accum_len 0x%x\n",
130 						accum_len));
131 	if (accum_len == 0xFFFFFFFF) {
132 		PM8001_IO_DBG(pm8001_ha,
133 			pm8001_printk("Possible PCI issue 0x%x not expected\n",
134 				accum_len));
135 		return -EIO;
136 	}
137 	if (accum_len == 0 || accum_len >= 0x100000) {
138 		pm8001_ha->forensic_info.data_buf.direct_data +=
139 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
140 				"%08x ", 0xFFFFFFFF);
141 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
142 			(char *)buf;
143 	}
144 	temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
145 	if (pm8001_ha->forensic_fatal_step == 0) {
146 moreData:
147 		if (pm8001_ha->forensic_info.data_buf.direct_data) {
148 			/* Data is in bar, copy to host memory */
149 			pm80xx_pci_mem_copy(pm8001_ha, pm8001_ha->fatal_bar_loc,
150 			 pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
151 				pm8001_ha->forensic_info.data_buf.direct_len ,
152 					1);
153 		}
154 		pm8001_ha->fatal_bar_loc +=
155 			pm8001_ha->forensic_info.data_buf.direct_len;
156 		pm8001_ha->forensic_info.data_buf.direct_offset +=
157 			pm8001_ha->forensic_info.data_buf.direct_len;
158 		pm8001_ha->forensic_last_offset	+=
159 			pm8001_ha->forensic_info.data_buf.direct_len;
160 		pm8001_ha->forensic_info.data_buf.read_len =
161 			pm8001_ha->forensic_info.data_buf.direct_len;
162 
163 		if (pm8001_ha->forensic_last_offset  >= accum_len) {
164 			pm8001_ha->forensic_info.data_buf.direct_data +=
165 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
166 				"%08x ", 3);
167 			for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
168 				pm8001_ha->forensic_info.data_buf.direct_data +=
169 					sprintf(pm8001_ha->
170 					 forensic_info.data_buf.direct_data,
171 						"%08x ", *(temp + index));
172 			}
173 
174 			pm8001_ha->fatal_bar_loc = 0;
175 			pm8001_ha->forensic_fatal_step = 1;
176 			pm8001_ha->fatal_forensic_shift_offset = 0;
177 			pm8001_ha->forensic_last_offset	= 0;
178 			return (char *)pm8001_ha->
179 				forensic_info.data_buf.direct_data -
180 				(char *)buf;
181 		}
182 		if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
183 			pm8001_ha->forensic_info.data_buf.direct_data +=
184 				sprintf(pm8001_ha->
185 					forensic_info.data_buf.direct_data,
186 					"%08x ", 2);
187 			for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
188 				pm8001_ha->forensic_info.data_buf.direct_data +=
189 					sprintf(pm8001_ha->
190 					forensic_info.data_buf.direct_data,
191 					"%08x ", *(temp + index));
192 			}
193 			return (char *)pm8001_ha->
194 				forensic_info.data_buf.direct_data -
195 				(char *)buf;
196 		}
197 
198 		/* Increment the MEMBASE II Shifting Register value by 0x100.*/
199 		pm8001_ha->forensic_info.data_buf.direct_data +=
200 			sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
201 				"%08x ", 2);
202 		for (index = 0; index < 256; index++) {
203 			pm8001_ha->forensic_info.data_buf.direct_data +=
204 				sprintf(pm8001_ha->
205 					forensic_info.data_buf.direct_data,
206 						"%08x ", *(temp + index));
207 		}
208 		pm8001_ha->fatal_forensic_shift_offset += 0x100;
209 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
210 			pm8001_ha->fatal_forensic_shift_offset);
211 		pm8001_ha->fatal_bar_loc = 0;
212 		return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
213 			(char *)buf;
214 	}
215 	if (pm8001_ha->forensic_fatal_step == 1) {
216 		pm8001_ha->fatal_forensic_shift_offset = 0;
217 		/* Read 64K of the debug data. */
218 		pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
219 			pm8001_ha->fatal_forensic_shift_offset);
220 		pm8001_mw32(fatal_table_address,
221 			MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
222 				MPI_FATAL_EDUMP_HANDSHAKE_RDY);
223 
224 		/* Poll FDDHSHK  until clear  */
225 		start = jiffies + (2 * HZ); /* 2 sec */
226 
227 		do {
228 			reg_val = pm8001_mr32(fatal_table_address,
229 					MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
230 		} while ((reg_val) && time_before(jiffies, start));
231 
232 		if (reg_val != 0) {
233 			PM8001_FAIL_DBG(pm8001_ha,
234 			pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
235 			" = 0x%x\n", reg_val));
236 			return -EIO;
237 		}
238 
239 		/* Read the next 64K of the debug data. */
240 		pm8001_ha->forensic_fatal_step = 0;
241 		if (pm8001_mr32(fatal_table_address,
242 			MPI_FATAL_EDUMP_TABLE_STATUS) !=
243 				MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
244 			pm8001_mw32(fatal_table_address,
245 				MPI_FATAL_EDUMP_TABLE_HANDSHAKE, 0);
246 			goto moreData;
247 		} else {
248 			pm8001_ha->forensic_info.data_buf.direct_data +=
249 				sprintf(pm8001_ha->
250 					forensic_info.data_buf.direct_data,
251 						"%08x ", 4);
252 			pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
253 			pm8001_ha->forensic_info.data_buf.direct_len =  0;
254 			pm8001_ha->forensic_info.data_buf.direct_offset = 0;
255 			pm8001_ha->forensic_info.data_buf.read_len = 0;
256 		}
257 	}
258 
259 	return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
260 		(char *)buf;
261 }
262 
263 /**
264  * read_main_config_table - read the configure table and save it.
265  * @pm8001_ha: our hba card information
266  */
267 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
268 {
269 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
270 
271 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
272 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
273 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
274 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
275 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
276 		pm8001_mr32(address, MAIN_FW_REVISION);
277 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
278 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
279 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
280 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
281 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
282 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
283 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
284 		pm8001_mr32(address, MAIN_GST_OFFSET);
285 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
286 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
287 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
288 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
289 
290 	/* read Error Dump Offset and Length */
291 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
292 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
293 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
294 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
295 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
296 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
297 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
298 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
299 
300 	/* read GPIO LED settings from the configuration table */
301 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
302 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
303 
304 	/* read analog Setting offset from the configuration table */
305 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
306 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
307 
308 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
309 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
310 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
311 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
312 	/* read port recover and reset timeout */
313 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
314 		pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
315 	/* read ILA and inactive firmware version */
316 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
317 		pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
318 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
319 		pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
320 }
321 
322 /**
323  * read_general_status_table - read the general status table and save it.
324  * @pm8001_ha: our hba card information
325  */
326 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
327 {
328 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
329 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
330 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
331 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
332 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
333 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
334 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
335 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
336 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
337 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
338 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
339 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
340 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
341 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
342 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
343 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
344 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
345 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
346 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
347 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
348 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
349 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
350 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
351 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
352 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
353 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
354 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
355 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
356 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
357 }
358 /**
359  * read_phy_attr_table - read the phy attribute table and save it.
360  * @pm8001_ha: our hba card information
361  */
362 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
363 {
364 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
365 	pm8001_ha->phy_attr_table.phystart1_16[0] =
366 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
367 	pm8001_ha->phy_attr_table.phystart1_16[1] =
368 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
369 	pm8001_ha->phy_attr_table.phystart1_16[2] =
370 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
371 	pm8001_ha->phy_attr_table.phystart1_16[3] =
372 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
373 	pm8001_ha->phy_attr_table.phystart1_16[4] =
374 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
375 	pm8001_ha->phy_attr_table.phystart1_16[5] =
376 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
377 	pm8001_ha->phy_attr_table.phystart1_16[6] =
378 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
379 	pm8001_ha->phy_attr_table.phystart1_16[7] =
380 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
381 	pm8001_ha->phy_attr_table.phystart1_16[8] =
382 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
383 	pm8001_ha->phy_attr_table.phystart1_16[9] =
384 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
385 	pm8001_ha->phy_attr_table.phystart1_16[10] =
386 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
387 	pm8001_ha->phy_attr_table.phystart1_16[11] =
388 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
389 	pm8001_ha->phy_attr_table.phystart1_16[12] =
390 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
391 	pm8001_ha->phy_attr_table.phystart1_16[13] =
392 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
393 	pm8001_ha->phy_attr_table.phystart1_16[14] =
394 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
395 	pm8001_ha->phy_attr_table.phystart1_16[15] =
396 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
397 
398 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
399 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
400 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
401 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
402 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
403 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
404 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
405 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
406 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
407 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
408 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
409 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
410 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
411 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
412 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
413 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
414 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
415 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
416 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
417 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
418 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
419 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
420 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
421 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
422 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
423 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
424 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
425 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
426 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
427 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
428 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
429 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
430 
431 }
432 
433 /**
434  * read_inbnd_queue_table - read the inbound queue table and save it.
435  * @pm8001_ha: our hba card information
436  */
437 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
438 {
439 	int i;
440 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
441 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
442 		u32 offset = i * 0x20;
443 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
444 			get_pci_bar_index(pm8001_mr32(address,
445 				(offset + IB_PIPCI_BAR)));
446 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
447 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
448 	}
449 }
450 
451 /**
452  * read_outbnd_queue_table - read the outbound queue table and save it.
453  * @pm8001_ha: our hba card information
454  */
455 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
456 {
457 	int i;
458 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
459 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
460 		u32 offset = i * 0x24;
461 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
462 			get_pci_bar_index(pm8001_mr32(address,
463 				(offset + OB_CIPCI_BAR)));
464 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
465 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
466 	}
467 }
468 
469 /**
470  * init_default_table_values - init the default table.
471  * @pm8001_ha: our hba card information
472  */
473 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
474 {
475 	int i;
476 	u32 offsetib, offsetob;
477 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
478 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
479 
480 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
481 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
482 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
483 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
484 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
485 							PM8001_EVENT_LOG_SIZE;
486 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
487 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
488 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
489 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
490 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
491 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
492 							PM8001_EVENT_LOG_SIZE;
493 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
494 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
495 
496 	/* Disable end to end CRC checking */
497 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
498 
499 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
500 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
501 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
502 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
503 			pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
504 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
505 		pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
506 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
507 			(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
508 		pm8001_ha->inbnd_q_tbl[i].total_length		=
509 			pm8001_ha->memoryMap.region[IB + i].total_len;
510 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
511 			pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
512 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
513 			pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
514 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
515 			pm8001_ha->memoryMap.region[CI + i].virt_ptr;
516 		offsetib = i * 0x20;
517 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
518 			get_pci_bar_index(pm8001_mr32(addressib,
519 				(offsetib + 0x14)));
520 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
521 			pm8001_mr32(addressib, (offsetib + 0x18));
522 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
523 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
524 	}
525 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
526 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
527 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
528 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
529 			pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
530 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
531 			pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
532 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
533 			(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
534 		pm8001_ha->outbnd_q_tbl[i].total_length		=
535 			pm8001_ha->memoryMap.region[OB + i].total_len;
536 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
537 			pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
538 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
539 			pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
540 		/* interrupt vector based on oq */
541 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
542 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
543 			pm8001_ha->memoryMap.region[PI + i].virt_ptr;
544 		offsetob = i * 0x24;
545 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
546 			get_pci_bar_index(pm8001_mr32(addressob,
547 			offsetob + 0x14));
548 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
549 			pm8001_mr32(addressob, (offsetob + 0x18));
550 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
551 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
552 	}
553 }
554 
555 /**
556  * update_main_config_table - update the main default table to the HBA.
557  * @pm8001_ha: our hba card information
558  */
559 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
560 {
561 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
562 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
563 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
564 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
565 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
566 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
567 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
568 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
569 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
570 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
571 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
572 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
573 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
574 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
575 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
576 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
577 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
578 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
579 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
580 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
581 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
582 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
583 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
584 
585 	/* SPCv specific */
586 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
587 	/* Set GPIOLED to 0x2 for LED indicator */
588 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
589 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
590 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
591 
592 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
593 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
594 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
595 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
596 
597 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
598 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
599 							PORT_RECOVERY_TIMEOUT;
600 	if (pm8001_ha->chip_id == chip_8006) {
601 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
602 					0x0000ffff;
603 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
604 					0x140000;
605 	}
606 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
607 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
608 }
609 
610 /**
611  * update_inbnd_queue_table - update the inbound queue table to the HBA.
612  * @pm8001_ha: our hba card information
613  */
614 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
615 					 int number)
616 {
617 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
618 	u16 offset = number * 0x20;
619 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
620 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
621 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
622 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
623 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
624 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
625 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
626 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
627 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
628 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
629 }
630 
631 /**
632  * update_outbnd_queue_table - update the outbound queue table to the HBA.
633  * @pm8001_ha: our hba card information
634  */
635 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
636 						 int number)
637 {
638 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
639 	u16 offset = number * 0x24;
640 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
641 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
642 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
643 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
644 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
645 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
646 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
647 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
648 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
649 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
650 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
651 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
652 }
653 
654 /**
655  * mpi_init_check - check firmware initialization status.
656  * @pm8001_ha: our hba card information
657  */
658 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
659 {
660 	u32 max_wait_count;
661 	u32 value;
662 	u32 gst_len_mpistate;
663 
664 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
665 	table is updated */
666 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
667 	/* wait until Inbound DoorBell Clear Register toggled */
668 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
669 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
670 	} else {
671 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
672 	}
673 	do {
674 		udelay(1);
675 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
676 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
677 	} while ((value != 0) && (--max_wait_count));
678 
679 	if (!max_wait_count)
680 		return -1;
681 	/* check the MPI-State for initialization upto 100ms*/
682 	max_wait_count = 100 * 1000;/* 100 msec */
683 	do {
684 		udelay(1);
685 		gst_len_mpistate =
686 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
687 					GST_GSTLEN_MPIS_OFFSET);
688 	} while ((GST_MPI_STATE_INIT !=
689 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
690 	if (!max_wait_count)
691 		return -1;
692 
693 	/* check MPI Initialization error */
694 	gst_len_mpistate = gst_len_mpistate >> 16;
695 	if (0x0000 != gst_len_mpistate)
696 		return -1;
697 
698 	return 0;
699 }
700 
701 /**
702  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
703  * @pm8001_ha: our hba card information
704  */
705 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
706 {
707 	u32 value;
708 	u32 max_wait_count;
709 	u32 max_wait_time;
710 	int ret = 0;
711 
712 	/* reset / PCIe ready */
713 	max_wait_time = max_wait_count = 100 * 1000;	/* 100 milli sec */
714 	do {
715 		udelay(1);
716 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
717 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
718 
719 	/* check ila status */
720 	max_wait_time = max_wait_count = 1000 * 1000;	/* 1000 milli sec */
721 	do {
722 		udelay(1);
723 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
724 	} while (((value & SCRATCH_PAD_ILA_READY) !=
725 			SCRATCH_PAD_ILA_READY) && (--max_wait_count));
726 	if (!max_wait_count)
727 		ret = -1;
728 	else {
729 		PM8001_MSG_DBG(pm8001_ha,
730 			pm8001_printk(" ila ready status in %d millisec\n",
731 				(max_wait_time - max_wait_count)));
732 	}
733 
734 	/* check RAAE status */
735 	max_wait_time = max_wait_count = 1800 * 1000;	/* 1800 milli sec */
736 	do {
737 		udelay(1);
738 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
739 	} while (((value & SCRATCH_PAD_RAAE_READY) !=
740 				SCRATCH_PAD_RAAE_READY) && (--max_wait_count));
741 	if (!max_wait_count)
742 		ret = -1;
743 	else {
744 		PM8001_MSG_DBG(pm8001_ha,
745 			pm8001_printk(" raae ready status in %d millisec\n",
746 					(max_wait_time - max_wait_count)));
747 	}
748 
749 	/* check iop0 status */
750 	max_wait_time = max_wait_count = 600 * 1000;	/* 600 milli sec */
751 	do {
752 		udelay(1);
753 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
754 	} while (((value & SCRATCH_PAD_IOP0_READY) != SCRATCH_PAD_IOP0_READY) &&
755 			(--max_wait_count));
756 	if (!max_wait_count)
757 		ret = -1;
758 	else {
759 		PM8001_MSG_DBG(pm8001_ha,
760 			pm8001_printk(" iop0 ready status in %d millisec\n",
761 				(max_wait_time - max_wait_count)));
762 	}
763 
764 	/* check iop1 status only for 16 port controllers */
765 	if ((pm8001_ha->chip_id != chip_8008) &&
766 			(pm8001_ha->chip_id != chip_8009)) {
767 		/* 200 milli sec */
768 		max_wait_time = max_wait_count = 200 * 1000;
769 		do {
770 			udelay(1);
771 			value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
772 		} while (((value & SCRATCH_PAD_IOP1_READY) !=
773 				SCRATCH_PAD_IOP1_READY) && (--max_wait_count));
774 		if (!max_wait_count)
775 			ret = -1;
776 		else {
777 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
778 				"iop1 ready status in %d millisec\n",
779 				(max_wait_time - max_wait_count)));
780 		}
781 	}
782 
783 	return ret;
784 }
785 
786 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
787 {
788 	void __iomem *base_addr;
789 	u32	value;
790 	u32	offset;
791 	u32	pcibar;
792 	u32	pcilogic;
793 
794 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
795 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
796 
797 	PM8001_INIT_DBG(pm8001_ha,
798 		pm8001_printk("Scratchpad 0 Offset: 0x%x value 0x%x\n",
799 				offset, value));
800 	pcilogic = (value & 0xFC000000) >> 26;
801 	pcibar = get_pci_bar_index(pcilogic);
802 	PM8001_INIT_DBG(pm8001_ha,
803 		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
804 	pm8001_ha->main_cfg_tbl_addr = base_addr =
805 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
806 	pm8001_ha->general_stat_tbl_addr =
807 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
808 					0xFFFFFF);
809 	pm8001_ha->inbnd_q_tbl_addr =
810 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
811 					0xFFFFFF);
812 	pm8001_ha->outbnd_q_tbl_addr =
813 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
814 					0xFFFFFF);
815 	pm8001_ha->ivt_tbl_addr =
816 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
817 					0xFFFFFF);
818 	pm8001_ha->pspa_q_tbl_addr =
819 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
820 					0xFFFFFF);
821 	pm8001_ha->fatal_tbl_addr =
822 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
823 					0xFFFFFF);
824 
825 	PM8001_INIT_DBG(pm8001_ha,
826 			pm8001_printk("GST OFFSET 0x%x\n",
827 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x18)));
828 	PM8001_INIT_DBG(pm8001_ha,
829 			pm8001_printk("INBND OFFSET 0x%x\n",
830 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C)));
831 	PM8001_INIT_DBG(pm8001_ha,
832 			pm8001_printk("OBND OFFSET 0x%x\n",
833 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x20)));
834 	PM8001_INIT_DBG(pm8001_ha,
835 			pm8001_printk("IVT OFFSET 0x%x\n",
836 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C)));
837 	PM8001_INIT_DBG(pm8001_ha,
838 			pm8001_printk("PSPA OFFSET 0x%x\n",
839 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x90)));
840 	PM8001_INIT_DBG(pm8001_ha,
841 			pm8001_printk("addr - main cfg %p general status %p\n",
842 			pm8001_ha->main_cfg_tbl_addr,
843 			pm8001_ha->general_stat_tbl_addr));
844 	PM8001_INIT_DBG(pm8001_ha,
845 			pm8001_printk("addr - inbnd %p obnd %p\n",
846 			pm8001_ha->inbnd_q_tbl_addr,
847 			pm8001_ha->outbnd_q_tbl_addr));
848 	PM8001_INIT_DBG(pm8001_ha,
849 			pm8001_printk("addr - pspa %p ivt %p\n",
850 			pm8001_ha->pspa_q_tbl_addr,
851 			pm8001_ha->ivt_tbl_addr));
852 }
853 
854 /**
855  * pm80xx_set_thermal_config - support the thermal configuration
856  * @pm8001_ha: our hba card information.
857  */
858 int
859 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
860 {
861 	struct set_ctrl_cfg_req payload;
862 	struct inbound_queue_table *circularQ;
863 	int rc;
864 	u32 tag;
865 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
866 	u32 page_code;
867 
868 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
869 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
870 	if (rc)
871 		return -1;
872 
873 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
874 	payload.tag = cpu_to_le32(tag);
875 
876 	if (IS_SPCV_12G(pm8001_ha->pdev))
877 		page_code = THERMAL_PAGE_CODE_7H;
878 	else
879 		page_code = THERMAL_PAGE_CODE_8H;
880 
881 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
882 				(THERMAL_ENABLE << 8) | page_code;
883 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
884 
885 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
886 	if (rc)
887 		pm8001_tag_free(pm8001_ha, tag);
888 	return rc;
889 
890 }
891 
892 /**
893 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
894 * Timer configuration page
895 * @pm8001_ha: our hba card information.
896 */
897 static int
898 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
899 {
900 	struct set_ctrl_cfg_req payload;
901 	struct inbound_queue_table *circularQ;
902 	SASProtocolTimerConfig_t SASConfigPage;
903 	int rc;
904 	u32 tag;
905 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
906 
907 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
908 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
909 
910 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
911 
912 	if (rc)
913 		return -1;
914 
915 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
916 	payload.tag = cpu_to_le32(tag);
917 
918 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
919 	SASConfigPage.MST_MSI         =  3 << 15;
920 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
921 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
922 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
923 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
924 
925 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
926 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
927 
928 
929 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
930 						SAS_OPNRJT_RTRY_INTVL;
931 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
932 						| SAS_COPNRJT_RTRY_TMO;
933 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
934 						| SAS_COPNRJT_RTRY_THR;
935 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
936 
937 	PM8001_INIT_DBG(pm8001_ha,
938 			pm8001_printk("SASConfigPage.pageCode "
939 			"0x%08x\n", SASConfigPage.pageCode));
940 	PM8001_INIT_DBG(pm8001_ha,
941 			pm8001_printk("SASConfigPage.MST_MSI "
942 			" 0x%08x\n", SASConfigPage.MST_MSI));
943 	PM8001_INIT_DBG(pm8001_ha,
944 			pm8001_printk("SASConfigPage.STP_SSP_MCT_TMO "
945 			" 0x%08x\n", SASConfigPage.STP_SSP_MCT_TMO));
946 	PM8001_INIT_DBG(pm8001_ha,
947 			pm8001_printk("SASConfigPage.STP_FRM_TMO "
948 			" 0x%08x\n", SASConfigPage.STP_FRM_TMO));
949 	PM8001_INIT_DBG(pm8001_ha,
950 			pm8001_printk("SASConfigPage.STP_IDLE_TMO "
951 			" 0x%08x\n", SASConfigPage.STP_IDLE_TMO));
952 	PM8001_INIT_DBG(pm8001_ha,
953 			pm8001_printk("SASConfigPage.OPNRJT_RTRY_INTVL "
954 			" 0x%08x\n", SASConfigPage.OPNRJT_RTRY_INTVL));
955 	PM8001_INIT_DBG(pm8001_ha,
956 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO "
957 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
958 	PM8001_INIT_DBG(pm8001_ha,
959 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR "
960 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
961 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("SASConfigPage.MAX_AIP "
962 			" 0x%08x\n", SASConfigPage.MAX_AIP));
963 
964 	memcpy(&payload.cfg_pg, &SASConfigPage,
965 			 sizeof(SASProtocolTimerConfig_t));
966 
967 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
968 	if (rc)
969 		pm8001_tag_free(pm8001_ha, tag);
970 
971 	return rc;
972 }
973 
974 /**
975  * pm80xx_get_encrypt_info - Check for encryption
976  * @pm8001_ha: our hba card information.
977  */
978 static int
979 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
980 {
981 	u32 scratch3_value;
982 	int ret = -1;
983 
984 	/* Read encryption status from SCRATCH PAD 3 */
985 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
986 
987 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
988 					SCRATCH_PAD3_ENC_READY) {
989 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
990 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
991 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
992 						SCRATCH_PAD3_SMF_ENABLED)
993 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
994 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
995 						SCRATCH_PAD3_SMA_ENABLED)
996 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
997 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
998 						SCRATCH_PAD3_SMB_ENABLED)
999 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1000 		pm8001_ha->encrypt_info.status = 0;
1001 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1002 			"Encryption: SCRATCH_PAD3_ENC_READY 0x%08X."
1003 			"Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1004 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1005 			pm8001_ha->encrypt_info.sec_mode,
1006 			pm8001_ha->encrypt_info.status));
1007 		ret = 0;
1008 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1009 					SCRATCH_PAD3_ENC_DISABLED) {
1010 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1011 			"Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1012 			scratch3_value));
1013 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1014 		pm8001_ha->encrypt_info.cipher_mode = 0;
1015 		pm8001_ha->encrypt_info.sec_mode = 0;
1016 		ret = 0;
1017 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1018 				SCRATCH_PAD3_ENC_DIS_ERR) {
1019 		pm8001_ha->encrypt_info.status =
1020 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1021 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1022 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1023 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1024 					SCRATCH_PAD3_SMF_ENABLED)
1025 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1026 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1027 					SCRATCH_PAD3_SMA_ENABLED)
1028 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1029 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1030 					SCRATCH_PAD3_SMB_ENABLED)
1031 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1032 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1033 			"Encryption: SCRATCH_PAD3_DIS_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 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1039 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1040 
1041 		pm8001_ha->encrypt_info.status =
1042 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1043 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1044 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1045 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1046 					SCRATCH_PAD3_SMF_ENABLED)
1047 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1048 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1049 					SCRATCH_PAD3_SMA_ENABLED)
1050 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1051 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1052 					SCRATCH_PAD3_SMB_ENABLED)
1053 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1054 
1055 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1056 			"Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X."
1057 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1058 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1059 			pm8001_ha->encrypt_info.sec_mode,
1060 			pm8001_ha->encrypt_info.status));
1061 	}
1062 	return ret;
1063 }
1064 
1065 /**
1066  * pm80xx_encrypt_update - update flash with encryption informtion
1067  * @pm8001_ha: our hba card information.
1068  */
1069 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1070 {
1071 	struct kek_mgmt_req payload;
1072 	struct inbound_queue_table *circularQ;
1073 	int rc;
1074 	u32 tag;
1075 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1076 
1077 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1078 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1079 	if (rc)
1080 		return -1;
1081 
1082 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1083 	payload.tag = cpu_to_le32(tag);
1084 	/* Currently only one key is used. New KEK index is 1.
1085 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1086 	 */
1087 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1088 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1089 
1090 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
1091 	if (rc)
1092 		pm8001_tag_free(pm8001_ha, tag);
1093 
1094 	return rc;
1095 }
1096 
1097 /**
1098  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
1099  * @pm8001_ha: our hba card information
1100  */
1101 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1102 {
1103 	int ret;
1104 	u8 i = 0;
1105 
1106 	/* check the firmware status */
1107 	if (-1 == check_fw_ready(pm8001_ha)) {
1108 		PM8001_FAIL_DBG(pm8001_ha,
1109 			pm8001_printk("Firmware is not ready!\n"));
1110 		return -EBUSY;
1111 	}
1112 
1113 	/* Initialize pci space address eg: mpi offset */
1114 	init_pci_device_addresses(pm8001_ha);
1115 	init_default_table_values(pm8001_ha);
1116 	read_main_config_table(pm8001_ha);
1117 	read_general_status_table(pm8001_ha);
1118 	read_inbnd_queue_table(pm8001_ha);
1119 	read_outbnd_queue_table(pm8001_ha);
1120 	read_phy_attr_table(pm8001_ha);
1121 
1122 	/* update main config table ,inbound table and outbound table */
1123 	update_main_config_table(pm8001_ha);
1124 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++)
1125 		update_inbnd_queue_table(pm8001_ha, i);
1126 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++)
1127 		update_outbnd_queue_table(pm8001_ha, i);
1128 
1129 	/* notify firmware update finished and check initialization status */
1130 	if (0 == mpi_init_check(pm8001_ha)) {
1131 		PM8001_INIT_DBG(pm8001_ha,
1132 			pm8001_printk("MPI initialize successful!\n"));
1133 	} else
1134 		return -EBUSY;
1135 
1136 	/* send SAS protocol timer configuration page to FW */
1137 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1138 
1139 	/* Check for encryption */
1140 	if (pm8001_ha->chip->encrypt) {
1141 		PM8001_INIT_DBG(pm8001_ha,
1142 			pm8001_printk("Checking for encryption\n"));
1143 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1144 		if (ret == -1) {
1145 			PM8001_INIT_DBG(pm8001_ha,
1146 				pm8001_printk("Encryption error !!\n"));
1147 			if (pm8001_ha->encrypt_info.status == 0x81) {
1148 				PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1149 					"Encryption enabled with error."
1150 					"Saving encryption key to flash\n"));
1151 				pm80xx_encrypt_update(pm8001_ha);
1152 			}
1153 		}
1154 	}
1155 	return 0;
1156 }
1157 
1158 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1159 {
1160 	u32 max_wait_count;
1161 	u32 value;
1162 	u32 gst_len_mpistate;
1163 	init_pci_device_addresses(pm8001_ha);
1164 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1165 	table is stop */
1166 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1167 
1168 	/* wait until Inbound DoorBell Clear Register toggled */
1169 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1170 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
1171 	} else {
1172 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1173 	}
1174 	do {
1175 		udelay(1);
1176 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1177 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1178 	} while ((value != 0) && (--max_wait_count));
1179 
1180 	if (!max_wait_count) {
1181 		PM8001_FAIL_DBG(pm8001_ha,
1182 			pm8001_printk("TIMEOUT:IBDB value/=%x\n", value));
1183 		return -1;
1184 	}
1185 
1186 	/* check the MPI-State for termination in progress */
1187 	/* wait until Inbound DoorBell Clear Register toggled */
1188 	max_wait_count = 2 * 1000 * 1000;	/* 2 sec for spcv/ve */
1189 	do {
1190 		udelay(1);
1191 		gst_len_mpistate =
1192 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1193 			GST_GSTLEN_MPIS_OFFSET);
1194 		if (GST_MPI_STATE_UNINIT ==
1195 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1196 			break;
1197 	} while (--max_wait_count);
1198 	if (!max_wait_count) {
1199 		PM8001_FAIL_DBG(pm8001_ha,
1200 			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
1201 				gst_len_mpistate & GST_MPI_STATE_MASK));
1202 		return -1;
1203 	}
1204 
1205 	return 0;
1206 }
1207 
1208 /**
1209  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
1210  * the FW register status to the originated status.
1211  * @pm8001_ha: our hba card information
1212  */
1213 
1214 static int
1215 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1216 {
1217 	u32 regval;
1218 	u32 bootloader_state;
1219 	u32 ibutton0, ibutton1;
1220 
1221 	/* Check if MPI is in ready state to reset */
1222 	if (mpi_uninit_check(pm8001_ha) != 0) {
1223 		PM8001_FAIL_DBG(pm8001_ha,
1224 			pm8001_printk("MPI state is not ready\n"));
1225 		return -1;
1226 	}
1227 
1228 	/* checked for reset register normal state; 0x0 */
1229 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1230 	PM8001_INIT_DBG(pm8001_ha,
1231 		pm8001_printk("reset register before write : 0x%x\n", regval));
1232 
1233 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1234 	mdelay(500);
1235 
1236 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1237 	PM8001_INIT_DBG(pm8001_ha,
1238 	pm8001_printk("reset register after write 0x%x\n", regval));
1239 
1240 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1241 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1242 		PM8001_MSG_DBG(pm8001_ha,
1243 			pm8001_printk(" soft reset successful [regval: 0x%x]\n",
1244 					regval));
1245 	} else {
1246 		PM8001_MSG_DBG(pm8001_ha,
1247 			pm8001_printk(" soft reset failed [regval: 0x%x]\n",
1248 					regval));
1249 
1250 		/* check bootloader is successfully executed or in HDA mode */
1251 		bootloader_state =
1252 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1253 			SCRATCH_PAD1_BOOTSTATE_MASK;
1254 
1255 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1256 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1257 				"Bootloader state - HDA mode SEEPROM\n"));
1258 		} else if (bootloader_state ==
1259 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1260 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1261 				"Bootloader state - HDA mode Bootstrap Pin\n"));
1262 		} else if (bootloader_state ==
1263 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1264 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1265 				"Bootloader state - HDA mode soft reset\n"));
1266 		} else if (bootloader_state ==
1267 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1268 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1269 				"Bootloader state-HDA mode critical error\n"));
1270 		}
1271 		return -EBUSY;
1272 	}
1273 
1274 	/* check the firmware status after reset */
1275 	if (-1 == check_fw_ready(pm8001_ha)) {
1276 		PM8001_FAIL_DBG(pm8001_ha,
1277 			pm8001_printk("Firmware is not ready!\n"));
1278 		/* check iButton feature support for motherboard controller */
1279 		if (pm8001_ha->pdev->subsystem_vendor !=
1280 			PCI_VENDOR_ID_ADAPTEC2 &&
1281 			pm8001_ha->pdev->subsystem_vendor !=
1282 			PCI_VENDOR_ID_ATTO &&
1283 			pm8001_ha->pdev->subsystem_vendor != 0) {
1284 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1285 					MSGU_HOST_SCRATCH_PAD_6);
1286 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1287 					MSGU_HOST_SCRATCH_PAD_7);
1288 			if (!ibutton0 && !ibutton1) {
1289 				PM8001_FAIL_DBG(pm8001_ha,
1290 					pm8001_printk("iButton Feature is"
1291 					" not Available!!!\n"));
1292 				return -EBUSY;
1293 			}
1294 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1295 				PM8001_FAIL_DBG(pm8001_ha,
1296 					pm8001_printk("CRC Check for iButton"
1297 					" Feature Failed!!!\n"));
1298 				return -EBUSY;
1299 			}
1300 		}
1301 	}
1302 	PM8001_INIT_DBG(pm8001_ha,
1303 		pm8001_printk("SPCv soft reset Complete\n"));
1304 	return 0;
1305 }
1306 
1307 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1308 {
1309 	 u32 i;
1310 
1311 	PM8001_INIT_DBG(pm8001_ha,
1312 		pm8001_printk("chip reset start\n"));
1313 
1314 	/* do SPCv chip reset. */
1315 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1316 	PM8001_INIT_DBG(pm8001_ha,
1317 		pm8001_printk("SPC soft reset Complete\n"));
1318 
1319 	/* Check this ..whether delay is required or no */
1320 	/* delay 10 usec */
1321 	udelay(10);
1322 
1323 	/* wait for 20 msec until the firmware gets reloaded */
1324 	i = 20;
1325 	do {
1326 		mdelay(1);
1327 	} while ((--i) != 0);
1328 
1329 	PM8001_INIT_DBG(pm8001_ha,
1330 		pm8001_printk("chip reset finished\n"));
1331 }
1332 
1333 /**
1334  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1335  * @pm8001_ha: our hba card information
1336  */
1337 static void
1338 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1339 {
1340 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1341 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1342 }
1343 
1344 /**
1345  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1346  * @pm8001_ha: our hba card information
1347  */
1348 static void
1349 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1350 {
1351 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1352 }
1353 
1354 /**
1355  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1356  * @pm8001_ha: our hba card information
1357  */
1358 static void
1359 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1360 {
1361 #ifdef PM8001_USE_MSIX
1362 	u32 mask;
1363 	mask = (u32)(1 << vec);
1364 
1365 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1366 	return;
1367 #endif
1368 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1369 
1370 }
1371 
1372 /**
1373  * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1374  * @pm8001_ha: our hba card information
1375  */
1376 static void
1377 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1378 {
1379 #ifdef PM8001_USE_MSIX
1380 	u32 mask;
1381 	if (vec == 0xFF)
1382 		mask = 0xFFFFFFFF;
1383 	else
1384 		mask = (u32)(1 << vec);
1385 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1386 	return;
1387 #endif
1388 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1389 }
1390 
1391 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1392 		struct pm8001_device *pm8001_ha_dev)
1393 {
1394 	int res;
1395 	u32 ccb_tag;
1396 	struct pm8001_ccb_info *ccb;
1397 	struct sas_task *task = NULL;
1398 	struct task_abort_req task_abort;
1399 	struct inbound_queue_table *circularQ;
1400 	u32 opc = OPC_INB_SATA_ABORT;
1401 	int ret;
1402 
1403 	if (!pm8001_ha_dev) {
1404 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1405 		return;
1406 	}
1407 
1408 	task = sas_alloc_slow_task(GFP_ATOMIC);
1409 
1410 	if (!task) {
1411 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1412 						"allocate task\n"));
1413 		return;
1414 	}
1415 
1416 	task->task_done = pm8001_task_done;
1417 
1418 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1419 	if (res) {
1420 		sas_free_task(task);
1421 		return;
1422 	}
1423 
1424 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1425 	ccb->device = pm8001_ha_dev;
1426 	ccb->ccb_tag = ccb_tag;
1427 	ccb->task = task;
1428 
1429 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1430 
1431 	memset(&task_abort, 0, sizeof(task_abort));
1432 	task_abort.abort_all = cpu_to_le32(1);
1433 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1434 	task_abort.tag = cpu_to_le32(ccb_tag);
1435 
1436 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
1437 	if (ret) {
1438 		sas_free_task(task);
1439 		pm8001_tag_free(pm8001_ha, ccb_tag);
1440 	}
1441 }
1442 
1443 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1444 		struct pm8001_device *pm8001_ha_dev)
1445 {
1446 	struct sata_start_req sata_cmd;
1447 	int res;
1448 	u32 ccb_tag;
1449 	struct pm8001_ccb_info *ccb;
1450 	struct sas_task *task = NULL;
1451 	struct host_to_dev_fis fis;
1452 	struct domain_device *dev;
1453 	struct inbound_queue_table *circularQ;
1454 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1455 
1456 	task = sas_alloc_slow_task(GFP_ATOMIC);
1457 
1458 	if (!task) {
1459 		PM8001_FAIL_DBG(pm8001_ha,
1460 			pm8001_printk("cannot allocate task !!!\n"));
1461 		return;
1462 	}
1463 	task->task_done = pm8001_task_done;
1464 
1465 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1466 	if (res) {
1467 		sas_free_task(task);
1468 		PM8001_FAIL_DBG(pm8001_ha,
1469 			pm8001_printk("cannot allocate tag !!!\n"));
1470 		return;
1471 	}
1472 
1473 	/* allocate domain device by ourselves as libsas
1474 	 * is not going to provide any
1475 	*/
1476 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1477 	if (!dev) {
1478 		sas_free_task(task);
1479 		pm8001_tag_free(pm8001_ha, ccb_tag);
1480 		PM8001_FAIL_DBG(pm8001_ha,
1481 			pm8001_printk("Domain device cannot be allocated\n"));
1482 		return;
1483 	}
1484 
1485 	task->dev = dev;
1486 	task->dev->lldd_dev = pm8001_ha_dev;
1487 
1488 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1489 	ccb->device = pm8001_ha_dev;
1490 	ccb->ccb_tag = ccb_tag;
1491 	ccb->task = task;
1492 	ccb->n_elem = 0;
1493 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1494 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1495 
1496 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1497 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1498 
1499 	/* construct read log FIS */
1500 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1501 	fis.fis_type = 0x27;
1502 	fis.flags = 0x80;
1503 	fis.command = ATA_CMD_READ_LOG_EXT;
1504 	fis.lbal = 0x10;
1505 	fis.sector_count = 0x1;
1506 
1507 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1508 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1509 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1510 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1511 
1512 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
1513 	if (res) {
1514 		sas_free_task(task);
1515 		pm8001_tag_free(pm8001_ha, ccb_tag);
1516 		kfree(dev);
1517 	}
1518 }
1519 
1520 /**
1521  * mpi_ssp_completion- process the event that FW response to the SSP request.
1522  * @pm8001_ha: our hba card information
1523  * @piomb: the message contents of this outbound message.
1524  *
1525  * When FW has completed a ssp request for example a IO request, after it has
1526  * filled the SG data with the data, it will trigger this event represent
1527  * that he has finished the job,please check the coresponding buffer.
1528  * So we will tell the caller who maybe waiting the result to tell upper layer
1529  * that the task has been finished.
1530  */
1531 static void
1532 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1533 {
1534 	struct sas_task *t;
1535 	struct pm8001_ccb_info *ccb;
1536 	unsigned long flags;
1537 	u32 status;
1538 	u32 param;
1539 	u32 tag;
1540 	struct ssp_completion_resp *psspPayload;
1541 	struct task_status_struct *ts;
1542 	struct ssp_response_iu *iu;
1543 	struct pm8001_device *pm8001_dev;
1544 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1545 	status = le32_to_cpu(psspPayload->status);
1546 	tag = le32_to_cpu(psspPayload->tag);
1547 	ccb = &pm8001_ha->ccb_info[tag];
1548 	if ((status == IO_ABORTED) && ccb->open_retry) {
1549 		/* Being completed by another */
1550 		ccb->open_retry = 0;
1551 		return;
1552 	}
1553 	pm8001_dev = ccb->device;
1554 	param = le32_to_cpu(psspPayload->param);
1555 	t = ccb->task;
1556 
1557 	if (status && status != IO_UNDERFLOW)
1558 		PM8001_FAIL_DBG(pm8001_ha,
1559 			pm8001_printk("sas IO status 0x%x\n", status));
1560 	if (unlikely(!t || !t->lldd_task || !t->dev))
1561 		return;
1562 	ts = &t->task_status;
1563 	/* Print sas address of IO failed device */
1564 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1565 		(status != IO_UNDERFLOW))
1566 		PM8001_FAIL_DBG(pm8001_ha,
1567 			pm8001_printk("SAS Address of IO Failure Drive"
1568 			":%016llx", SAS_ADDR(t->dev->sas_addr)));
1569 
1570 	switch (status) {
1571 	case IO_SUCCESS:
1572 		PM8001_IO_DBG(pm8001_ha,
1573 			pm8001_printk("IO_SUCCESS ,param = 0x%x\n",
1574 				param));
1575 		if (param == 0) {
1576 			ts->resp = SAS_TASK_COMPLETE;
1577 			ts->stat = SAM_STAT_GOOD;
1578 		} else {
1579 			ts->resp = SAS_TASK_COMPLETE;
1580 			ts->stat = SAS_PROTO_RESPONSE;
1581 			ts->residual = param;
1582 			iu = &psspPayload->ssp_resp_iu;
1583 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1584 		}
1585 		if (pm8001_dev)
1586 			pm8001_dev->running_req--;
1587 		break;
1588 	case IO_ABORTED:
1589 		PM8001_IO_DBG(pm8001_ha,
1590 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1591 		ts->resp = SAS_TASK_COMPLETE;
1592 		ts->stat = SAS_ABORTED_TASK;
1593 		break;
1594 	case IO_UNDERFLOW:
1595 		/* SSP Completion with error */
1596 		PM8001_IO_DBG(pm8001_ha,
1597 			pm8001_printk("IO_UNDERFLOW ,param = 0x%x\n",
1598 				param));
1599 		ts->resp = SAS_TASK_COMPLETE;
1600 		ts->stat = SAS_DATA_UNDERRUN;
1601 		ts->residual = param;
1602 		if (pm8001_dev)
1603 			pm8001_dev->running_req--;
1604 		break;
1605 	case IO_NO_DEVICE:
1606 		PM8001_IO_DBG(pm8001_ha,
1607 			pm8001_printk("IO_NO_DEVICE\n"));
1608 		ts->resp = SAS_TASK_UNDELIVERED;
1609 		ts->stat = SAS_PHY_DOWN;
1610 		break;
1611 	case IO_XFER_ERROR_BREAK:
1612 		PM8001_IO_DBG(pm8001_ha,
1613 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1614 		ts->resp = SAS_TASK_COMPLETE;
1615 		ts->stat = SAS_OPEN_REJECT;
1616 		/* Force the midlayer to retry */
1617 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1618 		break;
1619 	case IO_XFER_ERROR_PHY_NOT_READY:
1620 		PM8001_IO_DBG(pm8001_ha,
1621 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1622 		ts->resp = SAS_TASK_COMPLETE;
1623 		ts->stat = SAS_OPEN_REJECT;
1624 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1625 		break;
1626 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
1627 		PM8001_IO_DBG(pm8001_ha,
1628 			pm8001_printk("IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n"));
1629 		ts->resp = SAS_TASK_COMPLETE;
1630 		ts->stat = SAS_OPEN_REJECT;
1631 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1632 		break;
1633 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1634 		PM8001_IO_DBG(pm8001_ha,
1635 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1636 		ts->resp = SAS_TASK_COMPLETE;
1637 		ts->stat = SAS_OPEN_REJECT;
1638 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1639 		break;
1640 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1641 		PM8001_IO_DBG(pm8001_ha,
1642 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1643 		ts->resp = SAS_TASK_COMPLETE;
1644 		ts->stat = SAS_OPEN_REJECT;
1645 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1646 		break;
1647 	case IO_OPEN_CNX_ERROR_BREAK:
1648 		PM8001_IO_DBG(pm8001_ha,
1649 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1650 		ts->resp = SAS_TASK_COMPLETE;
1651 		ts->stat = SAS_OPEN_REJECT;
1652 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1653 		break;
1654 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1655 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1656 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1657 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1658 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1659 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1660 		PM8001_IO_DBG(pm8001_ha,
1661 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1662 		ts->resp = SAS_TASK_COMPLETE;
1663 		ts->stat = SAS_OPEN_REJECT;
1664 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1665 		if (!t->uldd_task)
1666 			pm8001_handle_event(pm8001_ha,
1667 				pm8001_dev,
1668 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1669 		break;
1670 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1671 		PM8001_IO_DBG(pm8001_ha,
1672 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1673 		ts->resp = SAS_TASK_COMPLETE;
1674 		ts->stat = SAS_OPEN_REJECT;
1675 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1676 		break;
1677 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1678 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1679 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1680 		ts->resp = SAS_TASK_COMPLETE;
1681 		ts->stat = SAS_OPEN_REJECT;
1682 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1683 		break;
1684 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1685 		PM8001_IO_DBG(pm8001_ha,
1686 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1687 		ts->resp = SAS_TASK_UNDELIVERED;
1688 		ts->stat = SAS_OPEN_REJECT;
1689 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1690 		break;
1691 	case IO_XFER_ERROR_NAK_RECEIVED:
1692 		PM8001_IO_DBG(pm8001_ha,
1693 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1694 		ts->resp = SAS_TASK_COMPLETE;
1695 		ts->stat = SAS_OPEN_REJECT;
1696 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1697 		break;
1698 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1699 		PM8001_IO_DBG(pm8001_ha,
1700 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1701 		ts->resp = SAS_TASK_COMPLETE;
1702 		ts->stat = SAS_NAK_R_ERR;
1703 		break;
1704 	case IO_XFER_ERROR_DMA:
1705 		PM8001_IO_DBG(pm8001_ha,
1706 		pm8001_printk("IO_XFER_ERROR_DMA\n"));
1707 		ts->resp = SAS_TASK_COMPLETE;
1708 		ts->stat = SAS_OPEN_REJECT;
1709 		break;
1710 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1711 		PM8001_IO_DBG(pm8001_ha,
1712 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1713 		ts->resp = SAS_TASK_COMPLETE;
1714 		ts->stat = SAS_OPEN_REJECT;
1715 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1716 		break;
1717 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1718 		PM8001_IO_DBG(pm8001_ha,
1719 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1720 		ts->resp = SAS_TASK_COMPLETE;
1721 		ts->stat = SAS_OPEN_REJECT;
1722 		break;
1723 	case IO_PORT_IN_RESET:
1724 		PM8001_IO_DBG(pm8001_ha,
1725 			pm8001_printk("IO_PORT_IN_RESET\n"));
1726 		ts->resp = SAS_TASK_COMPLETE;
1727 		ts->stat = SAS_OPEN_REJECT;
1728 		break;
1729 	case IO_DS_NON_OPERATIONAL:
1730 		PM8001_IO_DBG(pm8001_ha,
1731 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1732 		ts->resp = SAS_TASK_COMPLETE;
1733 		ts->stat = SAS_OPEN_REJECT;
1734 		if (!t->uldd_task)
1735 			pm8001_handle_event(pm8001_ha,
1736 				pm8001_dev,
1737 				IO_DS_NON_OPERATIONAL);
1738 		break;
1739 	case IO_DS_IN_RECOVERY:
1740 		PM8001_IO_DBG(pm8001_ha,
1741 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
1742 		ts->resp = SAS_TASK_COMPLETE;
1743 		ts->stat = SAS_OPEN_REJECT;
1744 		break;
1745 	case IO_TM_TAG_NOT_FOUND:
1746 		PM8001_IO_DBG(pm8001_ha,
1747 			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1748 		ts->resp = SAS_TASK_COMPLETE;
1749 		ts->stat = SAS_OPEN_REJECT;
1750 		break;
1751 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1752 		PM8001_IO_DBG(pm8001_ha,
1753 			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1754 		ts->resp = SAS_TASK_COMPLETE;
1755 		ts->stat = SAS_OPEN_REJECT;
1756 		break;
1757 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1758 		PM8001_IO_DBG(pm8001_ha,
1759 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1760 		ts->resp = SAS_TASK_COMPLETE;
1761 		ts->stat = SAS_OPEN_REJECT;
1762 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1763 		break;
1764 	default:
1765 		PM8001_IO_DBG(pm8001_ha,
1766 			pm8001_printk("Unknown status 0x%x\n", status));
1767 		/* not allowed case. Therefore, return failed status */
1768 		ts->resp = SAS_TASK_COMPLETE;
1769 		ts->stat = SAS_OPEN_REJECT;
1770 		break;
1771 	}
1772 	PM8001_IO_DBG(pm8001_ha,
1773 		pm8001_printk("scsi_status = 0x%x\n ",
1774 		psspPayload->ssp_resp_iu.status));
1775 	spin_lock_irqsave(&t->task_state_lock, flags);
1776 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1777 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1778 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1779 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1780 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1781 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1782 			"task 0x%p done with io_status 0x%x resp 0x%x "
1783 			"stat 0x%x but aborted by upper layer!\n",
1784 			t, status, ts->resp, ts->stat));
1785 		if (t->slow_task)
1786 			complete(&t->slow_task->completion);
1787 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1788 	} else {
1789 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1790 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1791 		mb();/* in order to force CPU ordering */
1792 		t->task_done(t);
1793 	}
1794 }
1795 
1796 /*See the comments for mpi_ssp_completion */
1797 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1798 {
1799 	struct sas_task *t;
1800 	unsigned long flags;
1801 	struct task_status_struct *ts;
1802 	struct pm8001_ccb_info *ccb;
1803 	struct pm8001_device *pm8001_dev;
1804 	struct ssp_event_resp *psspPayload =
1805 		(struct ssp_event_resp *)(piomb + 4);
1806 	u32 event = le32_to_cpu(psspPayload->event);
1807 	u32 tag = le32_to_cpu(psspPayload->tag);
1808 	u32 port_id = le32_to_cpu(psspPayload->port_id);
1809 
1810 	ccb = &pm8001_ha->ccb_info[tag];
1811 	t = ccb->task;
1812 	pm8001_dev = ccb->device;
1813 	if (event)
1814 		PM8001_FAIL_DBG(pm8001_ha,
1815 			pm8001_printk("sas IO status 0x%x\n", event));
1816 	if (unlikely(!t || !t->lldd_task || !t->dev))
1817 		return;
1818 	ts = &t->task_status;
1819 	PM8001_IO_DBG(pm8001_ha,
1820 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
1821 				port_id, tag, event));
1822 	switch (event) {
1823 	case IO_OVERFLOW:
1824 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1825 		ts->resp = SAS_TASK_COMPLETE;
1826 		ts->stat = SAS_DATA_OVERRUN;
1827 		ts->residual = 0;
1828 		if (pm8001_dev)
1829 			pm8001_dev->running_req--;
1830 		break;
1831 	case IO_XFER_ERROR_BREAK:
1832 		PM8001_IO_DBG(pm8001_ha,
1833 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1834 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1835 		return;
1836 	case IO_XFER_ERROR_PHY_NOT_READY:
1837 		PM8001_IO_DBG(pm8001_ha,
1838 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1839 		ts->resp = SAS_TASK_COMPLETE;
1840 		ts->stat = SAS_OPEN_REJECT;
1841 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1842 		break;
1843 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1844 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1845 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1846 		ts->resp = SAS_TASK_COMPLETE;
1847 		ts->stat = SAS_OPEN_REJECT;
1848 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1849 		break;
1850 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1851 		PM8001_IO_DBG(pm8001_ha,
1852 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1853 		ts->resp = SAS_TASK_COMPLETE;
1854 		ts->stat = SAS_OPEN_REJECT;
1855 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1856 		break;
1857 	case IO_OPEN_CNX_ERROR_BREAK:
1858 		PM8001_IO_DBG(pm8001_ha,
1859 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1860 		ts->resp = SAS_TASK_COMPLETE;
1861 		ts->stat = SAS_OPEN_REJECT;
1862 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1863 		break;
1864 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1865 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1866 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1867 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1868 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1869 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1870 		PM8001_IO_DBG(pm8001_ha,
1871 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1872 		ts->resp = SAS_TASK_COMPLETE;
1873 		ts->stat = SAS_OPEN_REJECT;
1874 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1875 		if (!t->uldd_task)
1876 			pm8001_handle_event(pm8001_ha,
1877 				pm8001_dev,
1878 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1879 		break;
1880 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1881 		PM8001_IO_DBG(pm8001_ha,
1882 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1883 		ts->resp = SAS_TASK_COMPLETE;
1884 		ts->stat = SAS_OPEN_REJECT;
1885 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1886 		break;
1887 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1888 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1889 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1890 		ts->resp = SAS_TASK_COMPLETE;
1891 		ts->stat = SAS_OPEN_REJECT;
1892 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1893 		break;
1894 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1895 		PM8001_IO_DBG(pm8001_ha,
1896 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1897 		ts->resp = SAS_TASK_COMPLETE;
1898 		ts->stat = SAS_OPEN_REJECT;
1899 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1900 		break;
1901 	case IO_XFER_ERROR_NAK_RECEIVED:
1902 		PM8001_IO_DBG(pm8001_ha,
1903 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1904 		ts->resp = SAS_TASK_COMPLETE;
1905 		ts->stat = SAS_OPEN_REJECT;
1906 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1907 		break;
1908 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1909 		PM8001_IO_DBG(pm8001_ha,
1910 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1911 		ts->resp = SAS_TASK_COMPLETE;
1912 		ts->stat = SAS_NAK_R_ERR;
1913 		break;
1914 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1915 		PM8001_IO_DBG(pm8001_ha,
1916 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1917 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
1918 		return;
1919 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
1920 		PM8001_IO_DBG(pm8001_ha,
1921 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
1922 		ts->resp = SAS_TASK_COMPLETE;
1923 		ts->stat = SAS_DATA_OVERRUN;
1924 		break;
1925 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
1926 		PM8001_IO_DBG(pm8001_ha,
1927 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
1928 		ts->resp = SAS_TASK_COMPLETE;
1929 		ts->stat = SAS_DATA_OVERRUN;
1930 		break;
1931 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
1932 		PM8001_IO_DBG(pm8001_ha,
1933 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
1934 		ts->resp = SAS_TASK_COMPLETE;
1935 		ts->stat = SAS_DATA_OVERRUN;
1936 		break;
1937 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
1938 		PM8001_IO_DBG(pm8001_ha,
1939 		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
1940 		ts->resp = SAS_TASK_COMPLETE;
1941 		ts->stat = SAS_DATA_OVERRUN;
1942 		break;
1943 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1944 		PM8001_IO_DBG(pm8001_ha,
1945 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1946 		ts->resp = SAS_TASK_COMPLETE;
1947 		ts->stat = SAS_DATA_OVERRUN;
1948 		break;
1949 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
1950 		PM8001_IO_DBG(pm8001_ha,
1951 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
1952 		ts->resp = SAS_TASK_COMPLETE;
1953 		ts->stat = SAS_DATA_OVERRUN;
1954 		break;
1955 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
1956 		PM8001_IO_DBG(pm8001_ha,
1957 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
1958 		/* TBC: used default set values */
1959 		ts->resp = SAS_TASK_COMPLETE;
1960 		ts->stat = SAS_DATA_OVERRUN;
1961 		break;
1962 	case IO_XFER_CMD_FRAME_ISSUED:
1963 		PM8001_IO_DBG(pm8001_ha,
1964 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
1965 		return;
1966 	default:
1967 		PM8001_IO_DBG(pm8001_ha,
1968 			pm8001_printk("Unknown status 0x%x\n", event));
1969 		/* not allowed case. Therefore, return failed status */
1970 		ts->resp = SAS_TASK_COMPLETE;
1971 		ts->stat = SAS_DATA_OVERRUN;
1972 		break;
1973 	}
1974 	spin_lock_irqsave(&t->task_state_lock, flags);
1975 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1976 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1977 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1978 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1979 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1980 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1981 			"task 0x%p done with event 0x%x resp 0x%x "
1982 			"stat 0x%x but aborted by upper layer!\n",
1983 			t, event, ts->resp, ts->stat));
1984 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1985 	} else {
1986 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1987 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1988 		mb();/* in order to force CPU ordering */
1989 		t->task_done(t);
1990 	}
1991 }
1992 
1993 /*See the comments for mpi_ssp_completion */
1994 static void
1995 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1996 {
1997 	struct sas_task *t;
1998 	struct pm8001_ccb_info *ccb;
1999 	u32 param;
2000 	u32 status;
2001 	u32 tag;
2002 	int i, j;
2003 	u8 sata_addr_low[4];
2004 	u32 temp_sata_addr_low, temp_sata_addr_hi;
2005 	u8 sata_addr_hi[4];
2006 	struct sata_completion_resp *psataPayload;
2007 	struct task_status_struct *ts;
2008 	struct ata_task_resp *resp ;
2009 	u32 *sata_resp;
2010 	struct pm8001_device *pm8001_dev;
2011 	unsigned long flags;
2012 
2013 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2014 	status = le32_to_cpu(psataPayload->status);
2015 	tag = le32_to_cpu(psataPayload->tag);
2016 
2017 	if (!tag) {
2018 		PM8001_FAIL_DBG(pm8001_ha,
2019 			pm8001_printk("tag null\n"));
2020 		return;
2021 	}
2022 	ccb = &pm8001_ha->ccb_info[tag];
2023 	param = le32_to_cpu(psataPayload->param);
2024 	if (ccb) {
2025 		t = ccb->task;
2026 		pm8001_dev = ccb->device;
2027 	} else {
2028 		PM8001_FAIL_DBG(pm8001_ha,
2029 			pm8001_printk("ccb null\n"));
2030 		return;
2031 	}
2032 
2033 	if (t) {
2034 		if (t->dev && (t->dev->lldd_dev))
2035 			pm8001_dev = t->dev->lldd_dev;
2036 	} else {
2037 		PM8001_FAIL_DBG(pm8001_ha,
2038 			pm8001_printk("task null\n"));
2039 		return;
2040 	}
2041 
2042 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2043 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2044 		PM8001_FAIL_DBG(pm8001_ha,
2045 			pm8001_printk("task or dev null\n"));
2046 		return;
2047 	}
2048 
2049 	ts = &t->task_status;
2050 	if (!ts) {
2051 		PM8001_FAIL_DBG(pm8001_ha,
2052 			pm8001_printk("ts null\n"));
2053 		return;
2054 	}
2055 	/* Print sas address of IO failed device */
2056 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2057 		(status != IO_UNDERFLOW)) {
2058 		if (!((t->dev->parent) &&
2059 			(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
2060 			for (i = 0 , j = 4; i <= 3 && j <= 7; i++ , j++)
2061 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2062 			for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
2063 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2064 			memcpy(&temp_sata_addr_low, sata_addr_low,
2065 				sizeof(sata_addr_low));
2066 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2067 				sizeof(sata_addr_hi));
2068 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2069 						|((temp_sata_addr_hi << 8) &
2070 						0xff0000) |
2071 						((temp_sata_addr_hi >> 8)
2072 						& 0xff00) |
2073 						((temp_sata_addr_hi << 24) &
2074 						0xff000000));
2075 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2076 						& 0xff) |
2077 						((temp_sata_addr_low << 8)
2078 						& 0xff0000) |
2079 						((temp_sata_addr_low >> 8)
2080 						& 0xff00) |
2081 						((temp_sata_addr_low << 24)
2082 						& 0xff000000)) +
2083 						pm8001_dev->attached_phy +
2084 						0x10);
2085 			PM8001_FAIL_DBG(pm8001_ha,
2086 				pm8001_printk("SAS Address of IO Failure Drive:"
2087 				"%08x%08x", temp_sata_addr_hi,
2088 					temp_sata_addr_low));
2089 
2090 		} else {
2091 			PM8001_FAIL_DBG(pm8001_ha,
2092 				pm8001_printk("SAS Address of IO Failure Drive:"
2093 				"%016llx", SAS_ADDR(t->dev->sas_addr)));
2094 		}
2095 	}
2096 	switch (status) {
2097 	case IO_SUCCESS:
2098 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2099 		if (param == 0) {
2100 			ts->resp = SAS_TASK_COMPLETE;
2101 			ts->stat = SAM_STAT_GOOD;
2102 			/* check if response is for SEND READ LOG */
2103 			if (pm8001_dev &&
2104 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2105 				/* set new bit for abort_all */
2106 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2107 				/* clear bit for read log */
2108 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2109 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2110 				/* Free the tag */
2111 				pm8001_tag_free(pm8001_ha, tag);
2112 				sas_free_task(t);
2113 				return;
2114 			}
2115 		} else {
2116 			u8 len;
2117 			ts->resp = SAS_TASK_COMPLETE;
2118 			ts->stat = SAS_PROTO_RESPONSE;
2119 			ts->residual = param;
2120 			PM8001_IO_DBG(pm8001_ha,
2121 				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2122 				param));
2123 			sata_resp = &psataPayload->sata_resp[0];
2124 			resp = (struct ata_task_resp *)ts->buf;
2125 			if (t->ata_task.dma_xfer == 0 &&
2126 			t->data_dir == PCI_DMA_FROMDEVICE) {
2127 				len = sizeof(struct pio_setup_fis);
2128 				PM8001_IO_DBG(pm8001_ha,
2129 				pm8001_printk("PIO read len = %d\n", len));
2130 			} else if (t->ata_task.use_ncq) {
2131 				len = sizeof(struct set_dev_bits_fis);
2132 				PM8001_IO_DBG(pm8001_ha,
2133 					pm8001_printk("FPDMA len = %d\n", len));
2134 			} else {
2135 				len = sizeof(struct dev_to_host_fis);
2136 				PM8001_IO_DBG(pm8001_ha,
2137 				pm8001_printk("other len = %d\n", len));
2138 			}
2139 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2140 				resp->frame_len = len;
2141 				memcpy(&resp->ending_fis[0], sata_resp, len);
2142 				ts->buf_valid_size = sizeof(*resp);
2143 			} else
2144 				PM8001_IO_DBG(pm8001_ha,
2145 					pm8001_printk("response to large\n"));
2146 		}
2147 		if (pm8001_dev)
2148 			pm8001_dev->running_req--;
2149 		break;
2150 	case IO_ABORTED:
2151 		PM8001_IO_DBG(pm8001_ha,
2152 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
2153 		ts->resp = SAS_TASK_COMPLETE;
2154 		ts->stat = SAS_ABORTED_TASK;
2155 		if (pm8001_dev)
2156 			pm8001_dev->running_req--;
2157 		break;
2158 		/* following cases are to do cases */
2159 	case IO_UNDERFLOW:
2160 		/* SATA Completion with error */
2161 		PM8001_IO_DBG(pm8001_ha,
2162 			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2163 		ts->resp = SAS_TASK_COMPLETE;
2164 		ts->stat = SAS_DATA_UNDERRUN;
2165 		ts->residual = param;
2166 		if (pm8001_dev)
2167 			pm8001_dev->running_req--;
2168 		break;
2169 	case IO_NO_DEVICE:
2170 		PM8001_IO_DBG(pm8001_ha,
2171 			pm8001_printk("IO_NO_DEVICE\n"));
2172 		ts->resp = SAS_TASK_UNDELIVERED;
2173 		ts->stat = SAS_PHY_DOWN;
2174 		break;
2175 	case IO_XFER_ERROR_BREAK:
2176 		PM8001_IO_DBG(pm8001_ha,
2177 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2178 		ts->resp = SAS_TASK_COMPLETE;
2179 		ts->stat = SAS_INTERRUPTED;
2180 		break;
2181 	case IO_XFER_ERROR_PHY_NOT_READY:
2182 		PM8001_IO_DBG(pm8001_ha,
2183 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2184 		ts->resp = SAS_TASK_COMPLETE;
2185 		ts->stat = SAS_OPEN_REJECT;
2186 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2187 		break;
2188 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2189 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2190 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2191 		ts->resp = SAS_TASK_COMPLETE;
2192 		ts->stat = SAS_OPEN_REJECT;
2193 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2194 		break;
2195 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2196 		PM8001_IO_DBG(pm8001_ha,
2197 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2198 		ts->resp = SAS_TASK_COMPLETE;
2199 		ts->stat = SAS_OPEN_REJECT;
2200 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2201 		break;
2202 	case IO_OPEN_CNX_ERROR_BREAK:
2203 		PM8001_IO_DBG(pm8001_ha,
2204 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2205 		ts->resp = SAS_TASK_COMPLETE;
2206 		ts->stat = SAS_OPEN_REJECT;
2207 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2208 		break;
2209 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2210 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2211 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2212 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2213 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2214 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2215 		PM8001_IO_DBG(pm8001_ha,
2216 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2217 		ts->resp = SAS_TASK_COMPLETE;
2218 		ts->stat = SAS_DEV_NO_RESPONSE;
2219 		if (!t->uldd_task) {
2220 			pm8001_handle_event(pm8001_ha,
2221 				pm8001_dev,
2222 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2223 			ts->resp = SAS_TASK_UNDELIVERED;
2224 			ts->stat = SAS_QUEUE_FULL;
2225 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2226 			return;
2227 		}
2228 		break;
2229 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2230 		PM8001_IO_DBG(pm8001_ha,
2231 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2232 		ts->resp = SAS_TASK_UNDELIVERED;
2233 		ts->stat = SAS_OPEN_REJECT;
2234 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2235 		if (!t->uldd_task) {
2236 			pm8001_handle_event(pm8001_ha,
2237 				pm8001_dev,
2238 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2239 			ts->resp = SAS_TASK_UNDELIVERED;
2240 			ts->stat = SAS_QUEUE_FULL;
2241 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2242 			return;
2243 		}
2244 		break;
2245 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2246 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2247 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2248 		ts->resp = SAS_TASK_COMPLETE;
2249 		ts->stat = SAS_OPEN_REJECT;
2250 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2251 		break;
2252 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2253 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2254 			"IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n"));
2255 		ts->resp = SAS_TASK_COMPLETE;
2256 		ts->stat = SAS_DEV_NO_RESPONSE;
2257 		if (!t->uldd_task) {
2258 			pm8001_handle_event(pm8001_ha,
2259 				pm8001_dev,
2260 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2261 			ts->resp = SAS_TASK_UNDELIVERED;
2262 			ts->stat = SAS_QUEUE_FULL;
2263 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2264 			return;
2265 		}
2266 		break;
2267 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2268 		PM8001_IO_DBG(pm8001_ha,
2269 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2270 		ts->resp = SAS_TASK_COMPLETE;
2271 		ts->stat = SAS_OPEN_REJECT;
2272 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2273 		break;
2274 	case IO_XFER_ERROR_NAK_RECEIVED:
2275 		PM8001_IO_DBG(pm8001_ha,
2276 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2277 		ts->resp = SAS_TASK_COMPLETE;
2278 		ts->stat = SAS_NAK_R_ERR;
2279 		break;
2280 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2281 		PM8001_IO_DBG(pm8001_ha,
2282 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2283 		ts->resp = SAS_TASK_COMPLETE;
2284 		ts->stat = SAS_NAK_R_ERR;
2285 		break;
2286 	case IO_XFER_ERROR_DMA:
2287 		PM8001_IO_DBG(pm8001_ha,
2288 			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2289 		ts->resp = SAS_TASK_COMPLETE;
2290 		ts->stat = SAS_ABORTED_TASK;
2291 		break;
2292 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2293 		PM8001_IO_DBG(pm8001_ha,
2294 			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2295 		ts->resp = SAS_TASK_UNDELIVERED;
2296 		ts->stat = SAS_DEV_NO_RESPONSE;
2297 		break;
2298 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2299 		PM8001_IO_DBG(pm8001_ha,
2300 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2301 		ts->resp = SAS_TASK_COMPLETE;
2302 		ts->stat = SAS_DATA_UNDERRUN;
2303 		break;
2304 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2305 		PM8001_IO_DBG(pm8001_ha,
2306 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2307 		ts->resp = SAS_TASK_COMPLETE;
2308 		ts->stat = SAS_OPEN_TO;
2309 		break;
2310 	case IO_PORT_IN_RESET:
2311 		PM8001_IO_DBG(pm8001_ha,
2312 			pm8001_printk("IO_PORT_IN_RESET\n"));
2313 		ts->resp = SAS_TASK_COMPLETE;
2314 		ts->stat = SAS_DEV_NO_RESPONSE;
2315 		break;
2316 	case IO_DS_NON_OPERATIONAL:
2317 		PM8001_IO_DBG(pm8001_ha,
2318 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2319 		ts->resp = SAS_TASK_COMPLETE;
2320 		ts->stat = SAS_DEV_NO_RESPONSE;
2321 		if (!t->uldd_task) {
2322 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2323 					IO_DS_NON_OPERATIONAL);
2324 			ts->resp = SAS_TASK_UNDELIVERED;
2325 			ts->stat = SAS_QUEUE_FULL;
2326 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2327 			return;
2328 		}
2329 		break;
2330 	case IO_DS_IN_RECOVERY:
2331 		PM8001_IO_DBG(pm8001_ha,
2332 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2333 		ts->resp = SAS_TASK_COMPLETE;
2334 		ts->stat = SAS_DEV_NO_RESPONSE;
2335 		break;
2336 	case IO_DS_IN_ERROR:
2337 		PM8001_IO_DBG(pm8001_ha,
2338 			pm8001_printk("IO_DS_IN_ERROR\n"));
2339 		ts->resp = SAS_TASK_COMPLETE;
2340 		ts->stat = SAS_DEV_NO_RESPONSE;
2341 		if (!t->uldd_task) {
2342 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2343 					IO_DS_IN_ERROR);
2344 			ts->resp = SAS_TASK_UNDELIVERED;
2345 			ts->stat = SAS_QUEUE_FULL;
2346 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2347 			return;
2348 		}
2349 		break;
2350 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2351 		PM8001_IO_DBG(pm8001_ha,
2352 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2353 		ts->resp = SAS_TASK_COMPLETE;
2354 		ts->stat = SAS_OPEN_REJECT;
2355 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2356 		break;
2357 	default:
2358 		PM8001_IO_DBG(pm8001_ha,
2359 			pm8001_printk("Unknown status 0x%x\n", status));
2360 		/* not allowed case. Therefore, return failed status */
2361 		ts->resp = SAS_TASK_COMPLETE;
2362 		ts->stat = SAS_DEV_NO_RESPONSE;
2363 		break;
2364 	}
2365 	spin_lock_irqsave(&t->task_state_lock, flags);
2366 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2367 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2368 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2369 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2370 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2371 		PM8001_FAIL_DBG(pm8001_ha,
2372 			pm8001_printk("task 0x%p done with io_status 0x%x"
2373 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2374 			t, status, ts->resp, ts->stat));
2375 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2376 	} else {
2377 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2378 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2379 	}
2380 }
2381 
2382 /*See the comments for mpi_ssp_completion */
2383 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2384 {
2385 	struct sas_task *t;
2386 	struct task_status_struct *ts;
2387 	struct pm8001_ccb_info *ccb;
2388 	struct pm8001_device *pm8001_dev;
2389 	struct sata_event_resp *psataPayload =
2390 		(struct sata_event_resp *)(piomb + 4);
2391 	u32 event = le32_to_cpu(psataPayload->event);
2392 	u32 tag = le32_to_cpu(psataPayload->tag);
2393 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2394 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2395 	unsigned long flags;
2396 
2397 	ccb = &pm8001_ha->ccb_info[tag];
2398 
2399 	if (ccb) {
2400 		t = ccb->task;
2401 		pm8001_dev = ccb->device;
2402 	} else {
2403 		PM8001_FAIL_DBG(pm8001_ha,
2404 			pm8001_printk("No CCB !!!. returning\n"));
2405 		return;
2406 	}
2407 	if (event)
2408 		PM8001_FAIL_DBG(pm8001_ha,
2409 			pm8001_printk("SATA EVENT 0x%x\n", event));
2410 
2411 	/* Check if this is NCQ error */
2412 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2413 		/* find device using device id */
2414 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2415 		/* send read log extension */
2416 		if (pm8001_dev)
2417 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2418 		return;
2419 	}
2420 
2421 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2422 		PM8001_FAIL_DBG(pm8001_ha,
2423 			pm8001_printk("task or dev null\n"));
2424 		return;
2425 	}
2426 
2427 	ts = &t->task_status;
2428 	PM8001_IO_DBG(pm8001_ha,
2429 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
2430 				port_id, tag, event));
2431 	switch (event) {
2432 	case IO_OVERFLOW:
2433 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2434 		ts->resp = SAS_TASK_COMPLETE;
2435 		ts->stat = SAS_DATA_OVERRUN;
2436 		ts->residual = 0;
2437 		if (pm8001_dev)
2438 			pm8001_dev->running_req--;
2439 		break;
2440 	case IO_XFER_ERROR_BREAK:
2441 		PM8001_IO_DBG(pm8001_ha,
2442 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2443 		ts->resp = SAS_TASK_COMPLETE;
2444 		ts->stat = SAS_INTERRUPTED;
2445 		break;
2446 	case IO_XFER_ERROR_PHY_NOT_READY:
2447 		PM8001_IO_DBG(pm8001_ha,
2448 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2449 		ts->resp = SAS_TASK_COMPLETE;
2450 		ts->stat = SAS_OPEN_REJECT;
2451 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2452 		break;
2453 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2454 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2455 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2456 		ts->resp = SAS_TASK_COMPLETE;
2457 		ts->stat = SAS_OPEN_REJECT;
2458 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2459 		break;
2460 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2461 		PM8001_IO_DBG(pm8001_ha,
2462 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2463 		ts->resp = SAS_TASK_COMPLETE;
2464 		ts->stat = SAS_OPEN_REJECT;
2465 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2466 		break;
2467 	case IO_OPEN_CNX_ERROR_BREAK:
2468 		PM8001_IO_DBG(pm8001_ha,
2469 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2470 		ts->resp = SAS_TASK_COMPLETE;
2471 		ts->stat = SAS_OPEN_REJECT;
2472 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2473 		break;
2474 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2475 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2476 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2477 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2478 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2479 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2480 		PM8001_FAIL_DBG(pm8001_ha,
2481 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2482 		ts->resp = SAS_TASK_UNDELIVERED;
2483 		ts->stat = SAS_DEV_NO_RESPONSE;
2484 		if (!t->uldd_task) {
2485 			pm8001_handle_event(pm8001_ha,
2486 				pm8001_dev,
2487 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2488 			ts->resp = SAS_TASK_COMPLETE;
2489 			ts->stat = SAS_QUEUE_FULL;
2490 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2491 			return;
2492 		}
2493 		break;
2494 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2495 		PM8001_IO_DBG(pm8001_ha,
2496 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2497 		ts->resp = SAS_TASK_UNDELIVERED;
2498 		ts->stat = SAS_OPEN_REJECT;
2499 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2500 		break;
2501 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2502 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2503 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2504 		ts->resp = SAS_TASK_COMPLETE;
2505 		ts->stat = SAS_OPEN_REJECT;
2506 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2507 		break;
2508 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2509 		PM8001_IO_DBG(pm8001_ha,
2510 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2511 		ts->resp = SAS_TASK_COMPLETE;
2512 		ts->stat = SAS_OPEN_REJECT;
2513 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2514 		break;
2515 	case IO_XFER_ERROR_NAK_RECEIVED:
2516 		PM8001_IO_DBG(pm8001_ha,
2517 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2518 		ts->resp = SAS_TASK_COMPLETE;
2519 		ts->stat = SAS_NAK_R_ERR;
2520 		break;
2521 	case IO_XFER_ERROR_PEER_ABORTED:
2522 		PM8001_IO_DBG(pm8001_ha,
2523 			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2524 		ts->resp = SAS_TASK_COMPLETE;
2525 		ts->stat = SAS_NAK_R_ERR;
2526 		break;
2527 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2528 		PM8001_IO_DBG(pm8001_ha,
2529 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2530 		ts->resp = SAS_TASK_COMPLETE;
2531 		ts->stat = SAS_DATA_UNDERRUN;
2532 		break;
2533 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2534 		PM8001_IO_DBG(pm8001_ha,
2535 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2536 		ts->resp = SAS_TASK_COMPLETE;
2537 		ts->stat = SAS_OPEN_TO;
2538 		break;
2539 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2540 		PM8001_IO_DBG(pm8001_ha,
2541 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2542 		ts->resp = SAS_TASK_COMPLETE;
2543 		ts->stat = SAS_OPEN_TO;
2544 		break;
2545 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2546 		PM8001_IO_DBG(pm8001_ha,
2547 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2548 		ts->resp = SAS_TASK_COMPLETE;
2549 		ts->stat = SAS_OPEN_TO;
2550 		break;
2551 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2552 		PM8001_IO_DBG(pm8001_ha,
2553 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2554 		ts->resp = SAS_TASK_COMPLETE;
2555 		ts->stat = SAS_OPEN_TO;
2556 		break;
2557 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2558 		PM8001_IO_DBG(pm8001_ha,
2559 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2560 		ts->resp = SAS_TASK_COMPLETE;
2561 		ts->stat = SAS_OPEN_TO;
2562 		break;
2563 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2564 		PM8001_IO_DBG(pm8001_ha,
2565 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2566 		ts->resp = SAS_TASK_COMPLETE;
2567 		ts->stat = SAS_OPEN_TO;
2568 		break;
2569 	case IO_XFER_CMD_FRAME_ISSUED:
2570 		PM8001_IO_DBG(pm8001_ha,
2571 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2572 		break;
2573 	case IO_XFER_PIO_SETUP_ERROR:
2574 		PM8001_IO_DBG(pm8001_ha,
2575 			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2576 		ts->resp = SAS_TASK_COMPLETE;
2577 		ts->stat = SAS_OPEN_TO;
2578 		break;
2579 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2580 		PM8001_FAIL_DBG(pm8001_ha,
2581 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
2582 		/* TBC: used default set values */
2583 		ts->resp = SAS_TASK_COMPLETE;
2584 		ts->stat = SAS_OPEN_TO;
2585 		break;
2586 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2587 		PM8001_FAIL_DBG(pm8001_ha,
2588 			pm8001_printk("IO_XFR_DMA_ACTIVATE_TIMEOUT\n"));
2589 		/* TBC: used default set values */
2590 		ts->resp = SAS_TASK_COMPLETE;
2591 		ts->stat = SAS_OPEN_TO;
2592 		break;
2593 	default:
2594 		PM8001_IO_DBG(pm8001_ha,
2595 			pm8001_printk("Unknown status 0x%x\n", event));
2596 		/* not allowed case. Therefore, return failed status */
2597 		ts->resp = SAS_TASK_COMPLETE;
2598 		ts->stat = SAS_OPEN_TO;
2599 		break;
2600 	}
2601 	spin_lock_irqsave(&t->task_state_lock, flags);
2602 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2603 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2604 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2605 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2606 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2607 		PM8001_FAIL_DBG(pm8001_ha,
2608 			pm8001_printk("task 0x%p done with io_status 0x%x"
2609 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2610 			t, event, ts->resp, ts->stat));
2611 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2612 	} else {
2613 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2614 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2615 	}
2616 }
2617 
2618 /*See the comments for mpi_ssp_completion */
2619 static void
2620 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2621 {
2622 	u32 param, i;
2623 	struct sas_task *t;
2624 	struct pm8001_ccb_info *ccb;
2625 	unsigned long flags;
2626 	u32 status;
2627 	u32 tag;
2628 	struct smp_completion_resp *psmpPayload;
2629 	struct task_status_struct *ts;
2630 	struct pm8001_device *pm8001_dev;
2631 	char *pdma_respaddr = NULL;
2632 
2633 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2634 	status = le32_to_cpu(psmpPayload->status);
2635 	tag = le32_to_cpu(psmpPayload->tag);
2636 
2637 	ccb = &pm8001_ha->ccb_info[tag];
2638 	param = le32_to_cpu(psmpPayload->param);
2639 	t = ccb->task;
2640 	ts = &t->task_status;
2641 	pm8001_dev = ccb->device;
2642 	if (status)
2643 		PM8001_FAIL_DBG(pm8001_ha,
2644 			pm8001_printk("smp IO status 0x%x\n", status));
2645 	if (unlikely(!t || !t->lldd_task || !t->dev))
2646 		return;
2647 
2648 	switch (status) {
2649 
2650 	case IO_SUCCESS:
2651 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2652 		ts->resp = SAS_TASK_COMPLETE;
2653 		ts->stat = SAM_STAT_GOOD;
2654 		if (pm8001_dev)
2655 			pm8001_dev->running_req--;
2656 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
2657 			PM8001_IO_DBG(pm8001_ha,
2658 				pm8001_printk("DIRECT RESPONSE Length:%d\n",
2659 						param));
2660 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
2661 						((u64)sg_dma_address
2662 						(&t->smp_task.smp_resp))));
2663 			for (i = 0; i < param; i++) {
2664 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
2665 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2666 					"SMP Byte%d DMA data 0x%x psmp 0x%x\n",
2667 					i, *(pdma_respaddr+i),
2668 					psmpPayload->_r_a[i]));
2669 			}
2670 		}
2671 		break;
2672 	case IO_ABORTED:
2673 		PM8001_IO_DBG(pm8001_ha,
2674 			pm8001_printk("IO_ABORTED IOMB\n"));
2675 		ts->resp = SAS_TASK_COMPLETE;
2676 		ts->stat = SAS_ABORTED_TASK;
2677 		if (pm8001_dev)
2678 			pm8001_dev->running_req--;
2679 		break;
2680 	case IO_OVERFLOW:
2681 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2682 		ts->resp = SAS_TASK_COMPLETE;
2683 		ts->stat = SAS_DATA_OVERRUN;
2684 		ts->residual = 0;
2685 		if (pm8001_dev)
2686 			pm8001_dev->running_req--;
2687 		break;
2688 	case IO_NO_DEVICE:
2689 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2690 		ts->resp = SAS_TASK_COMPLETE;
2691 		ts->stat = SAS_PHY_DOWN;
2692 		break;
2693 	case IO_ERROR_HW_TIMEOUT:
2694 		PM8001_IO_DBG(pm8001_ha,
2695 			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2696 		ts->resp = SAS_TASK_COMPLETE;
2697 		ts->stat = SAM_STAT_BUSY;
2698 		break;
2699 	case IO_XFER_ERROR_BREAK:
2700 		PM8001_IO_DBG(pm8001_ha,
2701 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2702 		ts->resp = SAS_TASK_COMPLETE;
2703 		ts->stat = SAM_STAT_BUSY;
2704 		break;
2705 	case IO_XFER_ERROR_PHY_NOT_READY:
2706 		PM8001_IO_DBG(pm8001_ha,
2707 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2708 		ts->resp = SAS_TASK_COMPLETE;
2709 		ts->stat = SAM_STAT_BUSY;
2710 		break;
2711 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2712 		PM8001_IO_DBG(pm8001_ha,
2713 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2714 		ts->resp = SAS_TASK_COMPLETE;
2715 		ts->stat = SAS_OPEN_REJECT;
2716 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2717 		break;
2718 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2719 		PM8001_IO_DBG(pm8001_ha,
2720 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2721 		ts->resp = SAS_TASK_COMPLETE;
2722 		ts->stat = SAS_OPEN_REJECT;
2723 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2724 		break;
2725 	case IO_OPEN_CNX_ERROR_BREAK:
2726 		PM8001_IO_DBG(pm8001_ha,
2727 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2728 		ts->resp = SAS_TASK_COMPLETE;
2729 		ts->stat = SAS_OPEN_REJECT;
2730 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2731 		break;
2732 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2733 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2734 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2735 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2736 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2737 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2738 		PM8001_IO_DBG(pm8001_ha,
2739 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2740 		ts->resp = SAS_TASK_COMPLETE;
2741 		ts->stat = SAS_OPEN_REJECT;
2742 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2743 		pm8001_handle_event(pm8001_ha,
2744 				pm8001_dev,
2745 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2746 		break;
2747 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2748 		PM8001_IO_DBG(pm8001_ha,
2749 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2750 		ts->resp = SAS_TASK_COMPLETE;
2751 		ts->stat = SAS_OPEN_REJECT;
2752 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2753 		break;
2754 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2755 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(\
2756 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2757 		ts->resp = SAS_TASK_COMPLETE;
2758 		ts->stat = SAS_OPEN_REJECT;
2759 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2760 		break;
2761 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2762 		PM8001_IO_DBG(pm8001_ha,
2763 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2764 		ts->resp = SAS_TASK_COMPLETE;
2765 		ts->stat = SAS_OPEN_REJECT;
2766 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2767 		break;
2768 	case IO_XFER_ERROR_RX_FRAME:
2769 		PM8001_IO_DBG(pm8001_ha,
2770 			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2771 		ts->resp = SAS_TASK_COMPLETE;
2772 		ts->stat = SAS_DEV_NO_RESPONSE;
2773 		break;
2774 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2775 		PM8001_IO_DBG(pm8001_ha,
2776 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2777 		ts->resp = SAS_TASK_COMPLETE;
2778 		ts->stat = SAS_OPEN_REJECT;
2779 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2780 		break;
2781 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
2782 		PM8001_IO_DBG(pm8001_ha,
2783 			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2784 		ts->resp = SAS_TASK_COMPLETE;
2785 		ts->stat = SAS_QUEUE_FULL;
2786 		break;
2787 	case IO_PORT_IN_RESET:
2788 		PM8001_IO_DBG(pm8001_ha,
2789 			pm8001_printk("IO_PORT_IN_RESET\n"));
2790 		ts->resp = SAS_TASK_COMPLETE;
2791 		ts->stat = SAS_OPEN_REJECT;
2792 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2793 		break;
2794 	case IO_DS_NON_OPERATIONAL:
2795 		PM8001_IO_DBG(pm8001_ha,
2796 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2797 		ts->resp = SAS_TASK_COMPLETE;
2798 		ts->stat = SAS_DEV_NO_RESPONSE;
2799 		break;
2800 	case IO_DS_IN_RECOVERY:
2801 		PM8001_IO_DBG(pm8001_ha,
2802 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2803 		ts->resp = SAS_TASK_COMPLETE;
2804 		ts->stat = SAS_OPEN_REJECT;
2805 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2806 		break;
2807 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2808 		PM8001_IO_DBG(pm8001_ha,
2809 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2810 		ts->resp = SAS_TASK_COMPLETE;
2811 		ts->stat = SAS_OPEN_REJECT;
2812 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2813 		break;
2814 	default:
2815 		PM8001_IO_DBG(pm8001_ha,
2816 			pm8001_printk("Unknown status 0x%x\n", status));
2817 		ts->resp = SAS_TASK_COMPLETE;
2818 		ts->stat = SAS_DEV_NO_RESPONSE;
2819 		/* not allowed case. Therefore, return failed status */
2820 		break;
2821 	}
2822 	spin_lock_irqsave(&t->task_state_lock, flags);
2823 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2824 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2825 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2826 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2827 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2828 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
2829 			"task 0x%p done with io_status 0x%x resp 0x%x"
2830 			"stat 0x%x but aborted by upper layer!\n",
2831 			t, status, ts->resp, ts->stat));
2832 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2833 	} else {
2834 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2835 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2836 		mb();/* in order to force CPU ordering */
2837 		t->task_done(t);
2838 	}
2839 }
2840 
2841 /**
2842  * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
2843  * @pm8001_ha: our hba card information
2844  * @Qnum: the outbound queue message number.
2845  * @SEA: source of event to ack
2846  * @port_id: port id.
2847  * @phyId: phy id.
2848  * @param0: parameter 0.
2849  * @param1: parameter 1.
2850  */
2851 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
2852 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
2853 {
2854 	struct hw_event_ack_req	 payload;
2855 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
2856 
2857 	struct inbound_queue_table *circularQ;
2858 
2859 	memset((u8 *)&payload, 0, sizeof(payload));
2860 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
2861 	payload.tag = cpu_to_le32(1);
2862 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
2863 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
2864 	payload.param0 = cpu_to_le32(param0);
2865 	payload.param1 = cpu_to_le32(param1);
2866 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
2867 }
2868 
2869 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
2870 	u32 phyId, u32 phy_op);
2871 
2872 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
2873 					void *piomb)
2874 {
2875 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
2876 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2877 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2878 	u32 lr_status_evt_portid =
2879 		le32_to_cpu(pPayload->lr_status_evt_portid);
2880 	u8 deviceType = pPayload->sas_identify.dev_type;
2881 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2882 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2883 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2884 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2885 
2886 	if (deviceType == SAS_END_DEVICE) {
2887 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2888 					PHY_NOTIFY_ENABLE_SPINUP);
2889 	}
2890 
2891 	port->wide_port_phymap |= (1U << phy_id);
2892 	pm8001_get_lrate_mode(phy, link_rate);
2893 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2894 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2895 	phy->phy_attached = 1;
2896 }
2897 
2898 /**
2899  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
2900  * @pm8001_ha: our hba card information
2901  * @piomb: IO message buffer
2902  */
2903 static void
2904 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2905 {
2906 	struct hw_event_resp *pPayload =
2907 		(struct hw_event_resp *)(piomb + 4);
2908 	u32 lr_status_evt_portid =
2909 		le32_to_cpu(pPayload->lr_status_evt_portid);
2910 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2911 
2912 	u8 link_rate =
2913 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2914 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2915 	u8 phy_id =
2916 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2917 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2918 
2919 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2920 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2921 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2922 	unsigned long flags;
2923 	u8 deviceType = pPayload->sas_identify.dev_type;
2924 	port->port_state = portstate;
2925 	port->wide_port_phymap |= (1U << phy_id);
2926 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2927 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2928 		"portid:%d; phyid:%d; linkrate:%d; "
2929 		"portstate:%x; devicetype:%x\n",
2930 		port_id, phy_id, link_rate, portstate, deviceType));
2931 
2932 	switch (deviceType) {
2933 	case SAS_PHY_UNUSED:
2934 		PM8001_MSG_DBG(pm8001_ha,
2935 			pm8001_printk("device type no device.\n"));
2936 		break;
2937 	case SAS_END_DEVICE:
2938 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
2939 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2940 			PHY_NOTIFY_ENABLE_SPINUP);
2941 		port->port_attached = 1;
2942 		pm8001_get_lrate_mode(phy, link_rate);
2943 		break;
2944 	case SAS_EDGE_EXPANDER_DEVICE:
2945 		PM8001_MSG_DBG(pm8001_ha,
2946 			pm8001_printk("expander device.\n"));
2947 		port->port_attached = 1;
2948 		pm8001_get_lrate_mode(phy, link_rate);
2949 		break;
2950 	case SAS_FANOUT_EXPANDER_DEVICE:
2951 		PM8001_MSG_DBG(pm8001_ha,
2952 			pm8001_printk("fanout expander device.\n"));
2953 		port->port_attached = 1;
2954 		pm8001_get_lrate_mode(phy, link_rate);
2955 		break;
2956 	default:
2957 		PM8001_MSG_DBG(pm8001_ha,
2958 			pm8001_printk("unknown device type(%x)\n", deviceType));
2959 		break;
2960 	}
2961 	phy->phy_type |= PORT_TYPE_SAS;
2962 	phy->identify.device_type = deviceType;
2963 	phy->phy_attached = 1;
2964 	if (phy->identify.device_type == SAS_END_DEVICE)
2965 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
2966 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
2967 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
2968 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2969 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2970 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2971 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
2972 		sizeof(struct sas_identify_frame)-4);
2973 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
2974 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2975 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2976 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
2977 		mdelay(200);/*delay a moment to wait disk to spinup*/
2978 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2979 }
2980 
2981 /**
2982  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
2983  * @pm8001_ha: our hba card information
2984  * @piomb: IO message buffer
2985  */
2986 static void
2987 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2988 {
2989 	struct hw_event_resp *pPayload =
2990 		(struct hw_event_resp *)(piomb + 4);
2991 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2992 	u32 lr_status_evt_portid =
2993 		le32_to_cpu(pPayload->lr_status_evt_portid);
2994 	u8 link_rate =
2995 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2996 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2997 	u8 phy_id =
2998 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2999 
3000 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3001 
3002 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3003 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3004 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3005 	unsigned long flags;
3006 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3007 		"port id %d, phy id %d link_rate %d portstate 0x%x\n",
3008 				port_id, phy_id, link_rate, portstate));
3009 
3010 	port->port_state = portstate;
3011 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3012 	port->port_attached = 1;
3013 	pm8001_get_lrate_mode(phy, link_rate);
3014 	phy->phy_type |= PORT_TYPE_SATA;
3015 	phy->phy_attached = 1;
3016 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3017 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3018 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3019 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3020 		sizeof(struct dev_to_host_fis));
3021 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3022 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3023 	phy->identify.device_type = SAS_SATA_DEV;
3024 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3025 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3026 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3027 }
3028 
3029 /**
3030  * hw_event_phy_down -we should notify the libsas the phy is down.
3031  * @pm8001_ha: our hba card information
3032  * @piomb: IO message buffer
3033  */
3034 static void
3035 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3036 {
3037 	struct hw_event_resp *pPayload =
3038 		(struct hw_event_resp *)(piomb + 4);
3039 
3040 	u32 lr_status_evt_portid =
3041 		le32_to_cpu(pPayload->lr_status_evt_portid);
3042 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3043 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3044 	u8 phy_id =
3045 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3046 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3047 
3048 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3049 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3050 	u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3051 	port->port_state = portstate;
3052 	phy->identify.device_type = 0;
3053 	phy->phy_attached = 0;
3054 	switch (portstate) {
3055 	case PORT_VALID:
3056 		break;
3057 	case PORT_INVALID:
3058 		PM8001_MSG_DBG(pm8001_ha,
3059 			pm8001_printk(" PortInvalid portID %d\n", port_id));
3060 		PM8001_MSG_DBG(pm8001_ha,
3061 			pm8001_printk(" Last phy Down and port invalid\n"));
3062 		if (port_sata) {
3063 			phy->phy_type = 0;
3064 			port->port_attached = 0;
3065 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3066 					port_id, phy_id, 0, 0);
3067 		}
3068 		sas_phy_disconnected(&phy->sas_phy);
3069 		break;
3070 	case PORT_IN_RESET:
3071 		PM8001_MSG_DBG(pm8001_ha,
3072 			pm8001_printk(" Port In Reset portID %d\n", port_id));
3073 		break;
3074 	case PORT_NOT_ESTABLISHED:
3075 		PM8001_MSG_DBG(pm8001_ha,
3076 			pm8001_printk(" Phy Down and PORT_NOT_ESTABLISHED\n"));
3077 		port->port_attached = 0;
3078 		break;
3079 	case PORT_LOSTCOMM:
3080 		PM8001_MSG_DBG(pm8001_ha,
3081 			pm8001_printk(" Phy Down and PORT_LOSTCOMM\n"));
3082 		PM8001_MSG_DBG(pm8001_ha,
3083 			pm8001_printk(" Last phy Down and port invalid\n"));
3084 		if (port_sata) {
3085 			port->port_attached = 0;
3086 			phy->phy_type = 0;
3087 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3088 					port_id, phy_id, 0, 0);
3089 		}
3090 		sas_phy_disconnected(&phy->sas_phy);
3091 		break;
3092 	default:
3093 		port->port_attached = 0;
3094 		PM8001_MSG_DBG(pm8001_ha,
3095 			pm8001_printk(" Phy Down and(default) = 0x%x\n",
3096 			portstate));
3097 		break;
3098 
3099 	}
3100 	if (port_sata && (portstate != PORT_IN_RESET)) {
3101 		struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3102 
3103 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3104 	}
3105 }
3106 
3107 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3108 {
3109 	struct phy_start_resp *pPayload =
3110 		(struct phy_start_resp *)(piomb + 4);
3111 	u32 status =
3112 		le32_to_cpu(pPayload->status);
3113 	u32 phy_id =
3114 		le32_to_cpu(pPayload->phyid);
3115 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3116 
3117 	PM8001_INIT_DBG(pm8001_ha,
3118 		pm8001_printk("phy start resp status:0x%x, phyid:0x%x\n",
3119 				status, phy_id));
3120 	if (status == 0) {
3121 		phy->phy_state = 1;
3122 		if (pm8001_ha->flags == PM8001F_RUN_TIME)
3123 			complete(phy->enable_completion);
3124 	}
3125 	return 0;
3126 
3127 }
3128 
3129 /**
3130  * mpi_thermal_hw_event -The hw event has come.
3131  * @pm8001_ha: our hba card information
3132  * @piomb: IO message buffer
3133  */
3134 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3135 {
3136 	struct thermal_hw_event *pPayload =
3137 		(struct thermal_hw_event *)(piomb + 4);
3138 
3139 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3140 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3141 
3142 	if (thermal_event & 0x40) {
3143 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3144 			"Thermal Event: Local high temperature violated!\n"));
3145 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3146 			"Thermal Event: Measured local high temperature %d\n",
3147 				((rht_lht & 0xFF00) >> 8)));
3148 	}
3149 	if (thermal_event & 0x10) {
3150 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3151 			"Thermal Event: Remote high temperature violated!\n"));
3152 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3153 			"Thermal Event: Measured remote high temperature %d\n",
3154 				((rht_lht & 0xFF000000) >> 24)));
3155 	}
3156 	return 0;
3157 }
3158 
3159 /**
3160  * mpi_hw_event -The hw event has come.
3161  * @pm8001_ha: our hba card information
3162  * @piomb: IO message buffer
3163  */
3164 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3165 {
3166 	unsigned long flags, i;
3167 	struct hw_event_resp *pPayload =
3168 		(struct hw_event_resp *)(piomb + 4);
3169 	u32 lr_status_evt_portid =
3170 		le32_to_cpu(pPayload->lr_status_evt_portid);
3171 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3172 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3173 	u8 phy_id =
3174 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3175 	u16 eventType =
3176 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3177 	u8 status =
3178 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3179 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3180 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3181 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3182 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3183 	PM8001_MSG_DBG(pm8001_ha,
3184 		pm8001_printk("portid:%d phyid:%d event:0x%x status:0x%x\n",
3185 				port_id, phy_id, eventType, status));
3186 
3187 	switch (eventType) {
3188 
3189 	case HW_EVENT_SAS_PHY_UP:
3190 		PM8001_MSG_DBG(pm8001_ha,
3191 			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3192 		hw_event_sas_phy_up(pm8001_ha, piomb);
3193 		break;
3194 	case HW_EVENT_SATA_PHY_UP:
3195 		PM8001_MSG_DBG(pm8001_ha,
3196 			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3197 		hw_event_sata_phy_up(pm8001_ha, piomb);
3198 		break;
3199 	case HW_EVENT_SATA_SPINUP_HOLD:
3200 		PM8001_MSG_DBG(pm8001_ha,
3201 			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3202 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3203 		break;
3204 	case HW_EVENT_PHY_DOWN:
3205 		PM8001_MSG_DBG(pm8001_ha,
3206 			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3207 		hw_event_phy_down(pm8001_ha, piomb);
3208 		if (pm8001_ha->reset_in_progress) {
3209 			PM8001_MSG_DBG(pm8001_ha,
3210 				pm8001_printk("Reset in progress\n"));
3211 			return 0;
3212 		}
3213 		phy->phy_attached = 0;
3214 		phy->phy_state = 0;
3215 		break;
3216 	case HW_EVENT_PORT_INVALID:
3217 		PM8001_MSG_DBG(pm8001_ha,
3218 			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3219 		sas_phy_disconnected(sas_phy);
3220 		phy->phy_attached = 0;
3221 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3222 		break;
3223 	/* the broadcast change primitive received, tell the LIBSAS this event
3224 	to revalidate the sas domain*/
3225 	case HW_EVENT_BROADCAST_CHANGE:
3226 		PM8001_MSG_DBG(pm8001_ha,
3227 			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3228 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3229 			port_id, phy_id, 1, 0);
3230 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3231 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3232 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3233 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3234 		break;
3235 	case HW_EVENT_PHY_ERROR:
3236 		PM8001_MSG_DBG(pm8001_ha,
3237 			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3238 		sas_phy_disconnected(&phy->sas_phy);
3239 		phy->phy_attached = 0;
3240 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3241 		break;
3242 	case HW_EVENT_BROADCAST_EXP:
3243 		PM8001_MSG_DBG(pm8001_ha,
3244 			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3245 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3246 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3247 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3248 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3249 		break;
3250 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3251 		PM8001_MSG_DBG(pm8001_ha,
3252 			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3253 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3254 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3255 		break;
3256 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3257 		PM8001_MSG_DBG(pm8001_ha,
3258 			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3259 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3260 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3261 			port_id, phy_id, 0, 0);
3262 		break;
3263 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3264 		PM8001_MSG_DBG(pm8001_ha,
3265 			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3266 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3267 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3268 			port_id, phy_id, 0, 0);
3269 		break;
3270 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3271 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3272 				"HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3273 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3274 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3275 			port_id, phy_id, 0, 0);
3276 		break;
3277 	case HW_EVENT_MALFUNCTION:
3278 		PM8001_MSG_DBG(pm8001_ha,
3279 			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3280 		break;
3281 	case HW_EVENT_BROADCAST_SES:
3282 		PM8001_MSG_DBG(pm8001_ha,
3283 			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3284 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3285 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3286 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3287 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3288 		break;
3289 	case HW_EVENT_INBOUND_CRC_ERROR:
3290 		PM8001_MSG_DBG(pm8001_ha,
3291 			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3292 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3293 			HW_EVENT_INBOUND_CRC_ERROR,
3294 			port_id, phy_id, 0, 0);
3295 		break;
3296 	case HW_EVENT_HARD_RESET_RECEIVED:
3297 		PM8001_MSG_DBG(pm8001_ha,
3298 			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3299 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3300 		break;
3301 	case HW_EVENT_ID_FRAME_TIMEOUT:
3302 		PM8001_MSG_DBG(pm8001_ha,
3303 			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3304 		sas_phy_disconnected(sas_phy);
3305 		phy->phy_attached = 0;
3306 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3307 		break;
3308 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3309 		PM8001_MSG_DBG(pm8001_ha,
3310 			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3311 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3312 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3313 			port_id, phy_id, 0, 0);
3314 		sas_phy_disconnected(sas_phy);
3315 		phy->phy_attached = 0;
3316 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3317 		break;
3318 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3319 		PM8001_MSG_DBG(pm8001_ha,
3320 			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3321 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3322 			port_id, phy_id, 0, 0);
3323 		sas_phy_disconnected(sas_phy);
3324 		phy->phy_attached = 0;
3325 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3326 		if (pm8001_ha->phy[phy_id].reset_completion) {
3327 			pm8001_ha->phy[phy_id].port_reset_status =
3328 					PORT_RESET_TMO;
3329 			complete(pm8001_ha->phy[phy_id].reset_completion);
3330 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3331 		}
3332 		break;
3333 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3334 		PM8001_MSG_DBG(pm8001_ha,
3335 			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3336 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3337 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3338 			port_id, phy_id, 0, 0);
3339 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3340 			if (port->wide_port_phymap & (1 << i)) {
3341 				phy = &pm8001_ha->phy[i];
3342 				sas_ha->notify_phy_event(&phy->sas_phy,
3343 						PHYE_LOSS_OF_SIGNAL);
3344 				port->wide_port_phymap &= ~(1 << i);
3345 			}
3346 		}
3347 		break;
3348 	case HW_EVENT_PORT_RECOVER:
3349 		PM8001_MSG_DBG(pm8001_ha,
3350 			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3351 		hw_event_port_recover(pm8001_ha, piomb);
3352 		break;
3353 	case HW_EVENT_PORT_RESET_COMPLETE:
3354 		PM8001_MSG_DBG(pm8001_ha,
3355 			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3356 		if (pm8001_ha->phy[phy_id].reset_completion) {
3357 			pm8001_ha->phy[phy_id].port_reset_status =
3358 					PORT_RESET_SUCCESS;
3359 			complete(pm8001_ha->phy[phy_id].reset_completion);
3360 			pm8001_ha->phy[phy_id].reset_completion = NULL;
3361 		}
3362 		break;
3363 	case EVENT_BROADCAST_ASYNCH_EVENT:
3364 		PM8001_MSG_DBG(pm8001_ha,
3365 			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3366 		break;
3367 	default:
3368 		PM8001_MSG_DBG(pm8001_ha,
3369 			pm8001_printk("Unknown event type 0x%x\n", eventType));
3370 		break;
3371 	}
3372 	return 0;
3373 }
3374 
3375 /**
3376  * mpi_phy_stop_resp - SPCv specific
3377  * @pm8001_ha: our hba card information
3378  * @piomb: IO message buffer
3379  */
3380 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3381 {
3382 	struct phy_stop_resp *pPayload =
3383 		(struct phy_stop_resp *)(piomb + 4);
3384 	u32 status =
3385 		le32_to_cpu(pPayload->status);
3386 	u32 phyid =
3387 		le32_to_cpu(pPayload->phyid);
3388 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3389 	PM8001_MSG_DBG(pm8001_ha,
3390 			pm8001_printk("phy:0x%x status:0x%x\n",
3391 					phyid, status));
3392 	if (status == 0)
3393 		phy->phy_state = 0;
3394 	return 0;
3395 }
3396 
3397 /**
3398  * mpi_set_controller_config_resp - SPCv specific
3399  * @pm8001_ha: our hba card information
3400  * @piomb: IO message buffer
3401  */
3402 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3403 			void *piomb)
3404 {
3405 	struct set_ctrl_cfg_resp *pPayload =
3406 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3407 	u32 status = le32_to_cpu(pPayload->status);
3408 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3409 
3410 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3411 			"SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3412 			status, err_qlfr_pgcd));
3413 
3414 	return 0;
3415 }
3416 
3417 /**
3418  * mpi_get_controller_config_resp - SPCv specific
3419  * @pm8001_ha: our hba card information
3420  * @piomb: IO message buffer
3421  */
3422 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3423 			void *piomb)
3424 {
3425 	PM8001_MSG_DBG(pm8001_ha,
3426 			pm8001_printk(" pm80xx_addition_functionality\n"));
3427 
3428 	return 0;
3429 }
3430 
3431 /**
3432  * mpi_get_phy_profile_resp - SPCv specific
3433  * @pm8001_ha: our hba card information
3434  * @piomb: IO message buffer
3435  */
3436 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3437 			void *piomb)
3438 {
3439 	PM8001_MSG_DBG(pm8001_ha,
3440 			pm8001_printk(" pm80xx_addition_functionality\n"));
3441 
3442 	return 0;
3443 }
3444 
3445 /**
3446  * mpi_flash_op_ext_resp - SPCv specific
3447  * @pm8001_ha: our hba card information
3448  * @piomb: IO message buffer
3449  */
3450 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3451 {
3452 	PM8001_MSG_DBG(pm8001_ha,
3453 			pm8001_printk(" pm80xx_addition_functionality\n"));
3454 
3455 	return 0;
3456 }
3457 
3458 /**
3459  * mpi_set_phy_profile_resp - SPCv specific
3460  * @pm8001_ha: our hba card information
3461  * @piomb: IO message buffer
3462  */
3463 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3464 			void *piomb)
3465 {
3466 	u8 page_code;
3467 	struct set_phy_profile_resp *pPayload =
3468 		(struct set_phy_profile_resp *)(piomb + 4);
3469 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3470 	u32 status = le32_to_cpu(pPayload->status);
3471 
3472 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3473 	if (status) {
3474 		/* status is FAILED */
3475 		PM8001_FAIL_DBG(pm8001_ha,
3476 			pm8001_printk("PhyProfile command failed  with status "
3477 			"0x%08X \n", status));
3478 		return -1;
3479 	} else {
3480 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3481 			PM8001_FAIL_DBG(pm8001_ha,
3482 				pm8001_printk("Invalid page code 0x%X\n",
3483 					page_code));
3484 			return -1;
3485 		}
3486 	}
3487 	return 0;
3488 }
3489 
3490 /**
3491  * mpi_kek_management_resp - SPCv specific
3492  * @pm8001_ha: our hba card information
3493  * @piomb: IO message buffer
3494  */
3495 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3496 			void *piomb)
3497 {
3498 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3499 
3500 	u32 status = le32_to_cpu(pPayload->status);
3501 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3502 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3503 
3504 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3505 		"KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3506 		status, kidx_new_curr_ksop, err_qlfr));
3507 
3508 	return 0;
3509 }
3510 
3511 /**
3512  * mpi_dek_management_resp - SPCv specific
3513  * @pm8001_ha: our hba card information
3514  * @piomb: IO message buffer
3515  */
3516 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3517 			void *piomb)
3518 {
3519 	PM8001_MSG_DBG(pm8001_ha,
3520 			pm8001_printk(" pm80xx_addition_functionality\n"));
3521 
3522 	return 0;
3523 }
3524 
3525 /**
3526  * ssp_coalesced_comp_resp - SPCv specific
3527  * @pm8001_ha: our hba card information
3528  * @piomb: IO message buffer
3529  */
3530 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3531 			void *piomb)
3532 {
3533 	PM8001_MSG_DBG(pm8001_ha,
3534 			pm8001_printk(" pm80xx_addition_functionality\n"));
3535 
3536 	return 0;
3537 }
3538 
3539 /**
3540  * process_one_iomb - process one outbound Queue memory block
3541  * @pm8001_ha: our hba card information
3542  * @piomb: IO message buffer
3543  */
3544 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3545 {
3546 	__le32 pHeader = *(__le32 *)piomb;
3547 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3548 
3549 	switch (opc) {
3550 	case OPC_OUB_ECHO:
3551 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3552 		break;
3553 	case OPC_OUB_HW_EVENT:
3554 		PM8001_MSG_DBG(pm8001_ha,
3555 			pm8001_printk("OPC_OUB_HW_EVENT\n"));
3556 		mpi_hw_event(pm8001_ha, piomb);
3557 		break;
3558 	case OPC_OUB_THERM_HW_EVENT:
3559 		PM8001_MSG_DBG(pm8001_ha,
3560 			pm8001_printk("OPC_OUB_THERMAL_EVENT\n"));
3561 		mpi_thermal_hw_event(pm8001_ha, piomb);
3562 		break;
3563 	case OPC_OUB_SSP_COMP:
3564 		PM8001_MSG_DBG(pm8001_ha,
3565 			pm8001_printk("OPC_OUB_SSP_COMP\n"));
3566 		mpi_ssp_completion(pm8001_ha, piomb);
3567 		break;
3568 	case OPC_OUB_SMP_COMP:
3569 		PM8001_MSG_DBG(pm8001_ha,
3570 			pm8001_printk("OPC_OUB_SMP_COMP\n"));
3571 		mpi_smp_completion(pm8001_ha, piomb);
3572 		break;
3573 	case OPC_OUB_LOCAL_PHY_CNTRL:
3574 		PM8001_MSG_DBG(pm8001_ha,
3575 			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3576 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3577 		break;
3578 	case OPC_OUB_DEV_REGIST:
3579 		PM8001_MSG_DBG(pm8001_ha,
3580 		pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3581 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3582 		break;
3583 	case OPC_OUB_DEREG_DEV:
3584 		PM8001_MSG_DBG(pm8001_ha,
3585 			pm8001_printk("unregister the device\n"));
3586 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3587 		break;
3588 	case OPC_OUB_GET_DEV_HANDLE:
3589 		PM8001_MSG_DBG(pm8001_ha,
3590 			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3591 		break;
3592 	case OPC_OUB_SATA_COMP:
3593 		PM8001_MSG_DBG(pm8001_ha,
3594 			pm8001_printk("OPC_OUB_SATA_COMP\n"));
3595 		mpi_sata_completion(pm8001_ha, piomb);
3596 		break;
3597 	case OPC_OUB_SATA_EVENT:
3598 		PM8001_MSG_DBG(pm8001_ha,
3599 			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3600 		mpi_sata_event(pm8001_ha, piomb);
3601 		break;
3602 	case OPC_OUB_SSP_EVENT:
3603 		PM8001_MSG_DBG(pm8001_ha,
3604 			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3605 		mpi_ssp_event(pm8001_ha, piomb);
3606 		break;
3607 	case OPC_OUB_DEV_HANDLE_ARRIV:
3608 		PM8001_MSG_DBG(pm8001_ha,
3609 			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3610 		/*This is for target*/
3611 		break;
3612 	case OPC_OUB_SSP_RECV_EVENT:
3613 		PM8001_MSG_DBG(pm8001_ha,
3614 			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3615 		/*This is for target*/
3616 		break;
3617 	case OPC_OUB_FW_FLASH_UPDATE:
3618 		PM8001_MSG_DBG(pm8001_ha,
3619 			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3620 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3621 		break;
3622 	case OPC_OUB_GPIO_RESPONSE:
3623 		PM8001_MSG_DBG(pm8001_ha,
3624 			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3625 		break;
3626 	case OPC_OUB_GPIO_EVENT:
3627 		PM8001_MSG_DBG(pm8001_ha,
3628 			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3629 		break;
3630 	case OPC_OUB_GENERAL_EVENT:
3631 		PM8001_MSG_DBG(pm8001_ha,
3632 			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3633 		pm8001_mpi_general_event(pm8001_ha, piomb);
3634 		break;
3635 	case OPC_OUB_SSP_ABORT_RSP:
3636 		PM8001_MSG_DBG(pm8001_ha,
3637 			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3638 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3639 		break;
3640 	case OPC_OUB_SATA_ABORT_RSP:
3641 		PM8001_MSG_DBG(pm8001_ha,
3642 			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3643 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3644 		break;
3645 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3646 		PM8001_MSG_DBG(pm8001_ha,
3647 			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3648 		break;
3649 	case OPC_OUB_SAS_DIAG_EXECUTE:
3650 		PM8001_MSG_DBG(pm8001_ha,
3651 			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3652 		break;
3653 	case OPC_OUB_GET_TIME_STAMP:
3654 		PM8001_MSG_DBG(pm8001_ha,
3655 			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3656 		break;
3657 	case OPC_OUB_SAS_HW_EVENT_ACK:
3658 		PM8001_MSG_DBG(pm8001_ha,
3659 			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3660 		break;
3661 	case OPC_OUB_PORT_CONTROL:
3662 		PM8001_MSG_DBG(pm8001_ha,
3663 			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3664 		break;
3665 	case OPC_OUB_SMP_ABORT_RSP:
3666 		PM8001_MSG_DBG(pm8001_ha,
3667 			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3668 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3669 		break;
3670 	case OPC_OUB_GET_NVMD_DATA:
3671 		PM8001_MSG_DBG(pm8001_ha,
3672 			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3673 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3674 		break;
3675 	case OPC_OUB_SET_NVMD_DATA:
3676 		PM8001_MSG_DBG(pm8001_ha,
3677 			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3678 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3679 		break;
3680 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3681 		PM8001_MSG_DBG(pm8001_ha,
3682 			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3683 		break;
3684 	case OPC_OUB_SET_DEVICE_STATE:
3685 		PM8001_MSG_DBG(pm8001_ha,
3686 			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3687 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3688 		break;
3689 	case OPC_OUB_GET_DEVICE_STATE:
3690 		PM8001_MSG_DBG(pm8001_ha,
3691 			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3692 		break;
3693 	case OPC_OUB_SET_DEV_INFO:
3694 		PM8001_MSG_DBG(pm8001_ha,
3695 			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3696 		break;
3697 	/* spcv specifc commands */
3698 	case OPC_OUB_PHY_START_RESP:
3699 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3700 			"OPC_OUB_PHY_START_RESP opcode:%x\n", opc));
3701 		mpi_phy_start_resp(pm8001_ha, piomb);
3702 		break;
3703 	case OPC_OUB_PHY_STOP_RESP:
3704 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3705 			"OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc));
3706 		mpi_phy_stop_resp(pm8001_ha, piomb);
3707 		break;
3708 	case OPC_OUB_SET_CONTROLLER_CONFIG:
3709 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3710 			"OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc));
3711 		mpi_set_controller_config_resp(pm8001_ha, piomb);
3712 		break;
3713 	case OPC_OUB_GET_CONTROLLER_CONFIG:
3714 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3715 			"OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc));
3716 		mpi_get_controller_config_resp(pm8001_ha, piomb);
3717 		break;
3718 	case OPC_OUB_GET_PHY_PROFILE:
3719 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3720 			"OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc));
3721 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
3722 		break;
3723 	case OPC_OUB_FLASH_OP_EXT:
3724 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3725 			"OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc));
3726 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
3727 		break;
3728 	case OPC_OUB_SET_PHY_PROFILE:
3729 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3730 			"OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc));
3731 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
3732 		break;
3733 	case OPC_OUB_KEK_MANAGEMENT_RESP:
3734 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3735 			"OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc));
3736 		mpi_kek_management_resp(pm8001_ha, piomb);
3737 		break;
3738 	case OPC_OUB_DEK_MANAGEMENT_RESP:
3739 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3740 			"OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc));
3741 		mpi_dek_management_resp(pm8001_ha, piomb);
3742 		break;
3743 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
3744 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3745 			"OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc));
3746 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
3747 		break;
3748 	default:
3749 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3750 			"Unknown outbound Queue IOMB OPC = 0x%x\n", opc));
3751 		break;
3752 	}
3753 }
3754 
3755 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3756 {
3757 	struct outbound_queue_table *circularQ;
3758 	void *pMsg1 = NULL;
3759 	u8 uninitialized_var(bc);
3760 	u32 ret = MPI_IO_STATUS_FAIL;
3761 	unsigned long flags;
3762 
3763 	spin_lock_irqsave(&pm8001_ha->lock, flags);
3764 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3765 	do {
3766 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3767 		if (MPI_IO_STATUS_SUCCESS == ret) {
3768 			/* process the outbound message */
3769 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3770 			/* free the message from the outbound circular buffer */
3771 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3772 							circularQ, bc);
3773 		}
3774 		if (MPI_IO_STATUS_BUSY == ret) {
3775 			/* Update the producer index from SPC */
3776 			circularQ->producer_index =
3777 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3778 			if (le32_to_cpu(circularQ->producer_index) ==
3779 				circularQ->consumer_idx)
3780 				/* OQ is empty */
3781 				break;
3782 		}
3783 	} while (1);
3784 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3785 	return ret;
3786 }
3787 
3788 /* PCI_DMA_... to our direction translation. */
3789 static const u8 data_dir_flags[] = {
3790 	[PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
3791 	[PCI_DMA_TODEVICE]	= DATA_DIR_OUT,/* OUTBOUND */
3792 	[PCI_DMA_FROMDEVICE]	= DATA_DIR_IN,/* INBOUND */
3793 	[PCI_DMA_NONE]		= DATA_DIR_NONE,/* NO TRANSFER */
3794 };
3795 
3796 static void build_smp_cmd(u32 deviceID, __le32 hTag,
3797 			struct smp_req *psmp_cmd, int mode, int length)
3798 {
3799 	psmp_cmd->tag = hTag;
3800 	psmp_cmd->device_id = cpu_to_le32(deviceID);
3801 	if (mode == SMP_DIRECT) {
3802 		length = length - 4; /* subtract crc */
3803 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
3804 	} else {
3805 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3806 	}
3807 }
3808 
3809 /**
3810  * pm8001_chip_smp_req - send a SMP task to FW
3811  * @pm8001_ha: our hba card information.
3812  * @ccb: the ccb information this request used.
3813  */
3814 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3815 	struct pm8001_ccb_info *ccb)
3816 {
3817 	int elem, rc;
3818 	struct sas_task *task = ccb->task;
3819 	struct domain_device *dev = task->dev;
3820 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3821 	struct scatterlist *sg_req, *sg_resp;
3822 	u32 req_len, resp_len;
3823 	struct smp_req smp_cmd;
3824 	u32 opc;
3825 	struct inbound_queue_table *circularQ;
3826 	char *preq_dma_addr = NULL;
3827 	__le64 tmp_addr;
3828 	u32 i, length;
3829 
3830 	memset(&smp_cmd, 0, sizeof(smp_cmd));
3831 	/*
3832 	 * DMA-map SMP request, response buffers
3833 	 */
3834 	sg_req = &task->smp_task.smp_req;
3835 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
3836 	if (!elem)
3837 		return -ENOMEM;
3838 	req_len = sg_dma_len(sg_req);
3839 
3840 	sg_resp = &task->smp_task.smp_resp;
3841 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
3842 	if (!elem) {
3843 		rc = -ENOMEM;
3844 		goto err_out;
3845 	}
3846 	resp_len = sg_dma_len(sg_resp);
3847 	/* must be in dwords */
3848 	if ((req_len & 0x3) || (resp_len & 0x3)) {
3849 		rc = -EINVAL;
3850 		goto err_out_2;
3851 	}
3852 
3853 	opc = OPC_INB_SMP_REQUEST;
3854 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3855 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3856 
3857 	length = sg_req->length;
3858 	PM8001_IO_DBG(pm8001_ha,
3859 		pm8001_printk("SMP Frame Length %d\n", sg_req->length));
3860 	if (!(length - 8))
3861 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
3862 	else
3863 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
3864 
3865 
3866 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3867 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
3868 
3869 	/* INDIRECT MODE command settings. Use DMA */
3870 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
3871 		PM8001_IO_DBG(pm8001_ha,
3872 			pm8001_printk("SMP REQUEST INDIRECT MODE\n"));
3873 		/* for SPCv indirect mode. Place the top 4 bytes of
3874 		 * SMP Request header here. */
3875 		for (i = 0; i < 4; i++)
3876 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
3877 		/* exclude top 4 bytes for SMP req header */
3878 		smp_cmd.long_smp_req.long_req_addr =
3879 			cpu_to_le64((u64)sg_dma_address
3880 				(&task->smp_task.smp_req) + 4);
3881 		/* exclude 4 bytes for SMP req header and CRC */
3882 		smp_cmd.long_smp_req.long_req_size =
3883 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
3884 		smp_cmd.long_smp_req.long_resp_addr =
3885 				cpu_to_le64((u64)sg_dma_address
3886 					(&task->smp_task.smp_resp));
3887 		smp_cmd.long_smp_req.long_resp_size =
3888 				cpu_to_le32((u32)sg_dma_len
3889 					(&task->smp_task.smp_resp)-4);
3890 	} else { /* DIRECT MODE */
3891 		smp_cmd.long_smp_req.long_req_addr =
3892 			cpu_to_le64((u64)sg_dma_address
3893 					(&task->smp_task.smp_req));
3894 		smp_cmd.long_smp_req.long_req_size =
3895 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3896 		smp_cmd.long_smp_req.long_resp_addr =
3897 			cpu_to_le64((u64)sg_dma_address
3898 				(&task->smp_task.smp_resp));
3899 		smp_cmd.long_smp_req.long_resp_size =
3900 			cpu_to_le32
3901 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3902 	}
3903 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3904 		PM8001_IO_DBG(pm8001_ha,
3905 			pm8001_printk("SMP REQUEST DIRECT MODE\n"));
3906 		for (i = 0; i < length; i++)
3907 			if (i < 16) {
3908 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
3909 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3910 					"Byte[%d]:%x (DMA data:%x)\n",
3911 					i, smp_cmd.smp_req16[i],
3912 					*(preq_dma_addr)));
3913 			} else {
3914 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
3915 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3916 					"Byte[%d]:%x (DMA data:%x)\n",
3917 					i, smp_cmd.smp_req[i],
3918 					*(preq_dma_addr)));
3919 			}
3920 	}
3921 
3922 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
3923 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
3924 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
3925 					(u32 *)&smp_cmd, 0);
3926 	if (rc)
3927 		goto err_out_2;
3928 	return 0;
3929 
3930 err_out_2:
3931 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3932 			PCI_DMA_FROMDEVICE);
3933 err_out:
3934 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3935 			PCI_DMA_TODEVICE);
3936 	return rc;
3937 }
3938 
3939 static int check_enc_sas_cmd(struct sas_task *task)
3940 {
3941 	u8 cmd = task->ssp_task.cmd->cmnd[0];
3942 
3943 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
3944 		return 1;
3945 	else
3946 		return 0;
3947 }
3948 
3949 static int check_enc_sat_cmd(struct sas_task *task)
3950 {
3951 	int ret = 0;
3952 	switch (task->ata_task.fis.command) {
3953 	case ATA_CMD_FPDMA_READ:
3954 	case ATA_CMD_READ_EXT:
3955 	case ATA_CMD_READ:
3956 	case ATA_CMD_FPDMA_WRITE:
3957 	case ATA_CMD_WRITE_EXT:
3958 	case ATA_CMD_WRITE:
3959 	case ATA_CMD_PIO_READ:
3960 	case ATA_CMD_PIO_READ_EXT:
3961 	case ATA_CMD_PIO_WRITE:
3962 	case ATA_CMD_PIO_WRITE_EXT:
3963 		ret = 1;
3964 		break;
3965 	default:
3966 		ret = 0;
3967 		break;
3968 	}
3969 	return ret;
3970 }
3971 
3972 /**
3973  * pm80xx_chip_ssp_io_req - send a SSP task to FW
3974  * @pm8001_ha: our hba card information.
3975  * @ccb: the ccb information this request used.
3976  */
3977 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3978 	struct pm8001_ccb_info *ccb)
3979 {
3980 	struct sas_task *task = ccb->task;
3981 	struct domain_device *dev = task->dev;
3982 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3983 	struct ssp_ini_io_start_req ssp_cmd;
3984 	u32 tag = ccb->ccb_tag;
3985 	int ret;
3986 	u64 phys_addr, start_addr, end_addr;
3987 	u32 end_addr_high, end_addr_low;
3988 	struct inbound_queue_table *circularQ;
3989 	u32 q_index;
3990 	u32 opc = OPC_INB_SSPINIIOSTART;
3991 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3992 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3993 	/* data address domain added for spcv; set to 0 by host,
3994 	 * used internally by controller
3995 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
3996 	 */
3997 	ssp_cmd.dad_dir_m_tlr =
3998 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
3999 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4000 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4001 	ssp_cmd.tag = cpu_to_le32(tag);
4002 	if (task->ssp_task.enable_first_burst)
4003 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4004 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4005 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4006 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4007 		       task->ssp_task.cmd->cmd_len);
4008 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4009 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4010 
4011 	/* Check if encryption is set */
4012 	if (pm8001_ha->chip->encrypt &&
4013 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4014 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4015 			"Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4016 			task->ssp_task.cmd->cmnd[0]));
4017 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4018 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4019 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
4020 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4021 
4022 		/* fill in PRD (scatter/gather) table, if any */
4023 		if (task->num_scatter > 1) {
4024 			pm8001_chip_make_sg(task->scatter,
4025 						ccb->n_elem, ccb->buf_prd);
4026 			phys_addr = ccb->ccb_dma_handle +
4027 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4028 			ssp_cmd.enc_addr_low =
4029 				cpu_to_le32(lower_32_bits(phys_addr));
4030 			ssp_cmd.enc_addr_high =
4031 				cpu_to_le32(upper_32_bits(phys_addr));
4032 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4033 		} else if (task->num_scatter == 1) {
4034 			u64 dma_addr = sg_dma_address(task->scatter);
4035 			ssp_cmd.enc_addr_low =
4036 				cpu_to_le32(lower_32_bits(dma_addr));
4037 			ssp_cmd.enc_addr_high =
4038 				cpu_to_le32(upper_32_bits(dma_addr));
4039 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4040 			ssp_cmd.enc_esgl = 0;
4041 			/* Check 4G Boundary */
4042 			start_addr = cpu_to_le64(dma_addr);
4043 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4044 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4045 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4046 			if (end_addr_high != ssp_cmd.enc_addr_high) {
4047 				PM8001_FAIL_DBG(pm8001_ha,
4048 					pm8001_printk("The sg list address "
4049 					"start_addr=0x%016llx data_len=0x%x "
4050 					"end_addr_high=0x%08x end_addr_low="
4051 					"0x%08x has crossed 4G boundary\n",
4052 						start_addr, ssp_cmd.enc_len,
4053 						end_addr_high, end_addr_low));
4054 				pm8001_chip_make_sg(task->scatter, 1,
4055 					ccb->buf_prd);
4056 				phys_addr = ccb->ccb_dma_handle +
4057 					offsetof(struct pm8001_ccb_info,
4058 						buf_prd[0]);
4059 				ssp_cmd.enc_addr_low =
4060 					cpu_to_le32(lower_32_bits(phys_addr));
4061 				ssp_cmd.enc_addr_high =
4062 					cpu_to_le32(upper_32_bits(phys_addr));
4063 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4064 			}
4065 		} else if (task->num_scatter == 0) {
4066 			ssp_cmd.enc_addr_low = 0;
4067 			ssp_cmd.enc_addr_high = 0;
4068 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4069 			ssp_cmd.enc_esgl = 0;
4070 		}
4071 		/* XTS mode. All other fields are 0 */
4072 		ssp_cmd.key_cmode = 0x6 << 4;
4073 		/* set tweak values. Should be the start lba */
4074 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4075 						(task->ssp_task.cmd->cmnd[3] << 16) |
4076 						(task->ssp_task.cmd->cmnd[4] << 8) |
4077 						(task->ssp_task.cmd->cmnd[5]));
4078 	} else {
4079 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4080 			"Sending Normal SAS command 0x%x inb q %x\n",
4081 			task->ssp_task.cmd->cmnd[0], q_index));
4082 		/* fill in PRD (scatter/gather) table, if any */
4083 		if (task->num_scatter > 1) {
4084 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4085 					ccb->buf_prd);
4086 			phys_addr = ccb->ccb_dma_handle +
4087 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4088 			ssp_cmd.addr_low =
4089 				cpu_to_le32(lower_32_bits(phys_addr));
4090 			ssp_cmd.addr_high =
4091 				cpu_to_le32(upper_32_bits(phys_addr));
4092 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4093 		} else if (task->num_scatter == 1) {
4094 			u64 dma_addr = sg_dma_address(task->scatter);
4095 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4096 			ssp_cmd.addr_high =
4097 				cpu_to_le32(upper_32_bits(dma_addr));
4098 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4099 			ssp_cmd.esgl = 0;
4100 			/* Check 4G Boundary */
4101 			start_addr = cpu_to_le64(dma_addr);
4102 			end_addr = (start_addr + ssp_cmd.len) - 1;
4103 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4104 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4105 			if (end_addr_high != ssp_cmd.addr_high) {
4106 				PM8001_FAIL_DBG(pm8001_ha,
4107 					pm8001_printk("The sg list address "
4108 					"start_addr=0x%016llx data_len=0x%x "
4109 					"end_addr_high=0x%08x end_addr_low="
4110 					"0x%08x has crossed 4G boundary\n",
4111 						 start_addr, ssp_cmd.len,
4112 						 end_addr_high, end_addr_low));
4113 				pm8001_chip_make_sg(task->scatter, 1,
4114 					ccb->buf_prd);
4115 				phys_addr = ccb->ccb_dma_handle +
4116 					offsetof(struct pm8001_ccb_info,
4117 						 buf_prd[0]);
4118 				ssp_cmd.addr_low =
4119 					cpu_to_le32(lower_32_bits(phys_addr));
4120 				ssp_cmd.addr_high =
4121 					cpu_to_le32(upper_32_bits(phys_addr));
4122 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4123 			}
4124 		} else if (task->num_scatter == 0) {
4125 			ssp_cmd.addr_low = 0;
4126 			ssp_cmd.addr_high = 0;
4127 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4128 			ssp_cmd.esgl = 0;
4129 		}
4130 	}
4131 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4132 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4133 						&ssp_cmd, q_index);
4134 	return ret;
4135 }
4136 
4137 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4138 	struct pm8001_ccb_info *ccb)
4139 {
4140 	struct sas_task *task = ccb->task;
4141 	struct domain_device *dev = task->dev;
4142 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4143 	u32 tag = ccb->ccb_tag;
4144 	int ret;
4145 	u32 q_index;
4146 	struct sata_start_req sata_cmd;
4147 	u32 hdr_tag, ncg_tag = 0;
4148 	u64 phys_addr, start_addr, end_addr;
4149 	u32 end_addr_high, end_addr_low;
4150 	u32 ATAP = 0x0;
4151 	u32 dir;
4152 	struct inbound_queue_table *circularQ;
4153 	unsigned long flags;
4154 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4155 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4156 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4157 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4158 
4159 	if (task->data_dir == PCI_DMA_NONE) {
4160 		ATAP = 0x04; /* no data*/
4161 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4162 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4163 		if (task->ata_task.dma_xfer) {
4164 			ATAP = 0x06; /* DMA */
4165 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4166 		} else {
4167 			ATAP = 0x05; /* PIO*/
4168 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4169 		}
4170 		if (task->ata_task.use_ncq &&
4171 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4172 			ATAP = 0x07; /* FPDMA */
4173 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4174 		}
4175 	}
4176 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4177 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4178 		ncg_tag = hdr_tag;
4179 	}
4180 	dir = data_dir_flags[task->data_dir] << 8;
4181 	sata_cmd.tag = cpu_to_le32(tag);
4182 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4183 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4184 
4185 	sata_cmd.sata_fis = task->ata_task.fis;
4186 	if (likely(!task->ata_task.device_control_reg_update))
4187 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4188 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4189 
4190 	/* Check if encryption is set */
4191 	if (pm8001_ha->chip->encrypt &&
4192 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4193 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4194 			"Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4195 			sata_cmd.sata_fis.command));
4196 		opc = OPC_INB_SATA_DIF_ENC_IO;
4197 
4198 		/* set encryption bit */
4199 		sata_cmd.ncqtag_atap_dir_m_dad =
4200 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4201 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4202 							/* dad (bit 0-1) is 0 */
4203 		/* fill in PRD (scatter/gather) table, if any */
4204 		if (task->num_scatter > 1) {
4205 			pm8001_chip_make_sg(task->scatter,
4206 						ccb->n_elem, ccb->buf_prd);
4207 			phys_addr = ccb->ccb_dma_handle +
4208 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4209 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4210 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4211 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4212 		} else if (task->num_scatter == 1) {
4213 			u64 dma_addr = sg_dma_address(task->scatter);
4214 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4215 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4216 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4217 			sata_cmd.enc_esgl = 0;
4218 			/* Check 4G Boundary */
4219 			start_addr = cpu_to_le64(dma_addr);
4220 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4221 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4222 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4223 			if (end_addr_high != sata_cmd.enc_addr_high) {
4224 				PM8001_FAIL_DBG(pm8001_ha,
4225 					pm8001_printk("The sg list address "
4226 					"start_addr=0x%016llx data_len=0x%x "
4227 					"end_addr_high=0x%08x end_addr_low"
4228 					"=0x%08x has crossed 4G boundary\n",
4229 						start_addr, sata_cmd.enc_len,
4230 						end_addr_high, end_addr_low));
4231 				pm8001_chip_make_sg(task->scatter, 1,
4232 					ccb->buf_prd);
4233 				phys_addr = ccb->ccb_dma_handle +
4234 						offsetof(struct pm8001_ccb_info,
4235 						buf_prd[0]);
4236 				sata_cmd.enc_addr_low =
4237 					lower_32_bits(phys_addr);
4238 				sata_cmd.enc_addr_high =
4239 					upper_32_bits(phys_addr);
4240 				sata_cmd.enc_esgl =
4241 					cpu_to_le32(1 << 31);
4242 			}
4243 		} else if (task->num_scatter == 0) {
4244 			sata_cmd.enc_addr_low = 0;
4245 			sata_cmd.enc_addr_high = 0;
4246 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4247 			sata_cmd.enc_esgl = 0;
4248 		}
4249 		/* XTS mode. All other fields are 0 */
4250 		sata_cmd.key_index_mode = 0x6 << 4;
4251 		/* set tweak values. Should be the start lba */
4252 		sata_cmd.twk_val0 =
4253 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4254 					(sata_cmd.sata_fis.lbah << 16) |
4255 					(sata_cmd.sata_fis.lbam << 8) |
4256 					(sata_cmd.sata_fis.lbal));
4257 		sata_cmd.twk_val1 =
4258 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4259 					 (sata_cmd.sata_fis.lbam_exp));
4260 	} else {
4261 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4262 			"Sending Normal SATA command 0x%x inb %x\n",
4263 			sata_cmd.sata_fis.command, q_index));
4264 		/* dad (bit 0-1) is 0 */
4265 		sata_cmd.ncqtag_atap_dir_m_dad =
4266 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4267 					((ATAP & 0x3f) << 10) | dir);
4268 
4269 		/* fill in PRD (scatter/gather) table, if any */
4270 		if (task->num_scatter > 1) {
4271 			pm8001_chip_make_sg(task->scatter,
4272 					ccb->n_elem, ccb->buf_prd);
4273 			phys_addr = ccb->ccb_dma_handle +
4274 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4275 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4276 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4277 			sata_cmd.esgl = cpu_to_le32(1 << 31);
4278 		} else if (task->num_scatter == 1) {
4279 			u64 dma_addr = sg_dma_address(task->scatter);
4280 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4281 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4282 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4283 			sata_cmd.esgl = 0;
4284 			/* Check 4G Boundary */
4285 			start_addr = cpu_to_le64(dma_addr);
4286 			end_addr = (start_addr + sata_cmd.len) - 1;
4287 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4288 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4289 			if (end_addr_high != sata_cmd.addr_high) {
4290 				PM8001_FAIL_DBG(pm8001_ha,
4291 					pm8001_printk("The sg list address "
4292 					"start_addr=0x%016llx data_len=0x%x"
4293 					"end_addr_high=0x%08x end_addr_low="
4294 					"0x%08x has crossed 4G boundary\n",
4295 						start_addr, sata_cmd.len,
4296 						end_addr_high, end_addr_low));
4297 				pm8001_chip_make_sg(task->scatter, 1,
4298 					ccb->buf_prd);
4299 				phys_addr = ccb->ccb_dma_handle +
4300 					offsetof(struct pm8001_ccb_info,
4301 					buf_prd[0]);
4302 				sata_cmd.addr_low =
4303 					lower_32_bits(phys_addr);
4304 				sata_cmd.addr_high =
4305 					upper_32_bits(phys_addr);
4306 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4307 			}
4308 		} else if (task->num_scatter == 0) {
4309 			sata_cmd.addr_low = 0;
4310 			sata_cmd.addr_high = 0;
4311 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4312 			sata_cmd.esgl = 0;
4313 		}
4314 			/* scsi cdb */
4315 			sata_cmd.atapi_scsi_cdb[0] =
4316 				cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4317 				(task->ata_task.atapi_packet[1] << 8) |
4318 				(task->ata_task.atapi_packet[2] << 16) |
4319 				(task->ata_task.atapi_packet[3] << 24)));
4320 			sata_cmd.atapi_scsi_cdb[1] =
4321 				cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4322 				(task->ata_task.atapi_packet[5] << 8) |
4323 				(task->ata_task.atapi_packet[6] << 16) |
4324 				(task->ata_task.atapi_packet[7] << 24)));
4325 			sata_cmd.atapi_scsi_cdb[2] =
4326 				cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4327 				(task->ata_task.atapi_packet[9] << 8) |
4328 				(task->ata_task.atapi_packet[10] << 16) |
4329 				(task->ata_task.atapi_packet[11] << 24)));
4330 			sata_cmd.atapi_scsi_cdb[3] =
4331 				cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4332 				(task->ata_task.atapi_packet[13] << 8) |
4333 				(task->ata_task.atapi_packet[14] << 16) |
4334 				(task->ata_task.atapi_packet[15] << 24)));
4335 	}
4336 
4337 	/* Check for read log for failed drive and return */
4338 	if (sata_cmd.sata_fis.command == 0x2f) {
4339 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4340 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4341 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4342 			struct task_status_struct *ts;
4343 
4344 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4345 			ts = &task->task_status;
4346 
4347 			spin_lock_irqsave(&task->task_state_lock, flags);
4348 			ts->resp = SAS_TASK_COMPLETE;
4349 			ts->stat = SAM_STAT_GOOD;
4350 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4351 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4352 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4353 			if (unlikely((task->task_state_flags &
4354 					SAS_TASK_STATE_ABORTED))) {
4355 				spin_unlock_irqrestore(&task->task_state_lock,
4356 							flags);
4357 				PM8001_FAIL_DBG(pm8001_ha,
4358 					pm8001_printk("task 0x%p resp 0x%x "
4359 					" stat 0x%x but aborted by upper layer "
4360 					"\n", task, ts->resp, ts->stat));
4361 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4362 				return 0;
4363 			} else {
4364 				spin_unlock_irqrestore(&task->task_state_lock,
4365 							flags);
4366 				pm8001_ccb_task_free_done(pm8001_ha, task,
4367 								ccb, tag);
4368 				return 0;
4369 			}
4370 		}
4371 	}
4372 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4373 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4374 						&sata_cmd, q_index);
4375 	return ret;
4376 }
4377 
4378 /**
4379  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4380  * @pm8001_ha: our hba card information.
4381  * @num: the inbound queue number
4382  * @phy_id: the phy id which we wanted to start up.
4383  */
4384 static int
4385 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4386 {
4387 	struct phy_start_req payload;
4388 	struct inbound_queue_table *circularQ;
4389 	int ret;
4390 	u32 tag = 0x01;
4391 	u32 opcode = OPC_INB_PHYSTART;
4392 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4393 	memset(&payload, 0, sizeof(payload));
4394 	payload.tag = cpu_to_le32(tag);
4395 
4396 	PM8001_INIT_DBG(pm8001_ha,
4397 		pm8001_printk("PHY START REQ for phy_id %d\n", phy_id));
4398 	/*
4399 	 ** [0:7]	PHY Identifier
4400 	 ** [8:11]	link rate 1.5G, 3G, 6G
4401 	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b Auto mode
4402 	 ** [14]	0b disable spin up hold; 1b enable spin up hold
4403 	 ** [15] ob no change in current PHY analig setup 1b enable using SPAST
4404 	 */
4405 	if (!IS_SPCV_12G(pm8001_ha->pdev))
4406 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4407 				LINKMODE_AUTO | LINKRATE_15 |
4408 				LINKRATE_30 | LINKRATE_60 | phy_id);
4409 	else
4410 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4411 				LINKMODE_AUTO | LINKRATE_15 |
4412 				LINKRATE_30 | LINKRATE_60 | LINKRATE_120 |
4413 				phy_id);
4414 
4415 	/* SSC Disable and SAS Analog ST configuration */
4416 	/**
4417 	payload.ase_sh_lm_slr_phyid =
4418 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4419 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4420 		phy_id);
4421 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4422 	**/
4423 
4424 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4425 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4426 	memcpy(payload.sas_identify.sas_addr,
4427 	  &pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
4428 	payload.sas_identify.phy_id = phy_id;
4429 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4430 	return ret;
4431 }
4432 
4433 /**
4434  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4435  * @pm8001_ha: our hba card information.
4436  * @num: the inbound queue number
4437  * @phy_id: the phy id which we wanted to start up.
4438  */
4439 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4440 	u8 phy_id)
4441 {
4442 	struct phy_stop_req payload;
4443 	struct inbound_queue_table *circularQ;
4444 	int ret;
4445 	u32 tag = 0x01;
4446 	u32 opcode = OPC_INB_PHYSTOP;
4447 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4448 	memset(&payload, 0, sizeof(payload));
4449 	payload.tag = cpu_to_le32(tag);
4450 	payload.phy_id = cpu_to_le32(phy_id);
4451 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4452 	return ret;
4453 }
4454 
4455 /**
4456  * see comments on pm8001_mpi_reg_resp.
4457  */
4458 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4459 	struct pm8001_device *pm8001_dev, u32 flag)
4460 {
4461 	struct reg_dev_req payload;
4462 	u32	opc;
4463 	u32 stp_sspsmp_sata = 0x4;
4464 	struct inbound_queue_table *circularQ;
4465 	u32 linkrate, phy_id;
4466 	int rc, tag = 0xdeadbeef;
4467 	struct pm8001_ccb_info *ccb;
4468 	u8 retryFlag = 0x1;
4469 	u16 firstBurstSize = 0;
4470 	u16 ITNT = 2000;
4471 	struct domain_device *dev = pm8001_dev->sas_device;
4472 	struct domain_device *parent_dev = dev->parent;
4473 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4474 
4475 	memset(&payload, 0, sizeof(payload));
4476 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4477 	if (rc)
4478 		return rc;
4479 	ccb = &pm8001_ha->ccb_info[tag];
4480 	ccb->device = pm8001_dev;
4481 	ccb->ccb_tag = tag;
4482 	payload.tag = cpu_to_le32(tag);
4483 
4484 	if (flag == 1) {
4485 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4486 	} else {
4487 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4488 			stp_sspsmp_sata = 0x00; /* stp*/
4489 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4490 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4491 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4492 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4493 	}
4494 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4495 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4496 	else
4497 		phy_id = pm8001_dev->attached_phy;
4498 
4499 	opc = OPC_INB_REG_DEV;
4500 
4501 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4502 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4503 
4504 	payload.phyid_portid =
4505 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4506 		((phy_id & 0xFF) << 8));
4507 
4508 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4509 		((linkrate & 0x0F) << 24) |
4510 		((stp_sspsmp_sata & 0x03) << 28));
4511 	payload.firstburstsize_ITNexustimeout =
4512 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4513 
4514 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4515 		SAS_ADDR_SIZE);
4516 
4517 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4518 	if (rc)
4519 		pm8001_tag_free(pm8001_ha, tag);
4520 
4521 	return rc;
4522 }
4523 
4524 /**
4525  * pm80xx_chip_phy_ctl_req - support the local phy operation
4526  * @pm8001_ha: our hba card information.
4527  * @num: the inbound queue number
4528  * @phy_id: the phy id which we wanted to operate
4529  * @phy_op:
4530  */
4531 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4532 	u32 phyId, u32 phy_op)
4533 {
4534 	u32 tag;
4535 	int rc;
4536 	struct local_phy_ctl_req payload;
4537 	struct inbound_queue_table *circularQ;
4538 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4539 	memset(&payload, 0, sizeof(payload));
4540 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4541 	if (rc)
4542 		return rc;
4543 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4544 	payload.tag = cpu_to_le32(tag);
4545 	payload.phyop_phyid =
4546 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4547 	return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4548 }
4549 
4550 static u32 pm80xx_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4551 {
4552 	u32 value;
4553 #ifdef PM8001_USE_MSIX
4554 	return 1;
4555 #endif
4556 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4557 	if (value)
4558 		return 1;
4559 	return 0;
4560 
4561 }
4562 
4563 /**
4564  * pm8001_chip_isr - PM8001 isr handler.
4565  * @pm8001_ha: our hba card information.
4566  * @irq: irq number.
4567  * @stat: stat.
4568  */
4569 static irqreturn_t
4570 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4571 {
4572 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4573 	process_oq(pm8001_ha, vec);
4574 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4575 	return IRQ_HANDLED;
4576 }
4577 
4578 void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4579 	u32 operation, u32 phyid, u32 length, u32 *buf)
4580 {
4581 	u32 tag , i, j = 0;
4582 	int rc;
4583 	struct set_phy_profile_req payload;
4584 	struct inbound_queue_table *circularQ;
4585 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4586 
4587 	memset(&payload, 0, sizeof(payload));
4588 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4589 	if (rc)
4590 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Invalid tag\n"));
4591 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4592 	payload.tag = cpu_to_le32(tag);
4593 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4594 	PM8001_INIT_DBG(pm8001_ha,
4595 		pm8001_printk(" phy profile command for phy %x ,length is %d\n",
4596 			payload.ppc_phyid, length));
4597 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4598 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4599 		j++;
4600 	}
4601 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4602 	if (rc)
4603 		pm8001_tag_free(pm8001_ha, tag);
4604 }
4605 
4606 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4607 	u32 length, u8 *buf)
4608 {
4609 	u32 page_code, i;
4610 
4611 	page_code = SAS_PHY_ANALOG_SETTINGS_PAGE;
4612 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4613 		mpi_set_phy_profile_req(pm8001_ha,
4614 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4615 		length = length + PHY_DWORD_LENGTH;
4616 	}
4617 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("phy settings completed\n"));
4618 }
4619 
4620 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
4621 		u32 phy, u32 length, u32 *buf)
4622 {
4623 	u32 tag, opc;
4624 	int rc, i;
4625 	struct set_phy_profile_req payload;
4626 	struct inbound_queue_table *circularQ;
4627 
4628 	memset(&payload, 0, sizeof(payload));
4629 
4630 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4631 	if (rc)
4632 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk("Invalid tag"));
4633 
4634 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4635 	opc = OPC_INB_SET_PHY_PROFILE;
4636 
4637 	payload.tag = cpu_to_le32(tag);
4638 	payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
4639 				| (phy & 0xFF));
4640 
4641 	for (i = 0; i < length; i++)
4642 		payload.reserved[i] = cpu_to_le32(*(buf + i));
4643 
4644 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4645 	if (rc)
4646 		pm8001_tag_free(pm8001_ha, tag);
4647 
4648 	PM8001_INIT_DBG(pm8001_ha,
4649 		pm8001_printk("PHY %d settings applied", phy));
4650 }
4651 const struct pm8001_dispatch pm8001_80xx_dispatch = {
4652 	.name			= "pmc80xx",
4653 	.chip_init		= pm80xx_chip_init,
4654 	.chip_soft_rst		= pm80xx_chip_soft_rst,
4655 	.chip_rst		= pm80xx_hw_chip_rst,
4656 	.chip_iounmap		= pm8001_chip_iounmap,
4657 	.isr			= pm80xx_chip_isr,
4658 	.is_our_interupt	= pm80xx_chip_is_our_interupt,
4659 	.isr_process_oq		= process_oq,
4660 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
4661 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
4662 	.make_prd		= pm8001_chip_make_sg,
4663 	.smp_req		= pm80xx_chip_smp_req,
4664 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
4665 	.sata_req		= pm80xx_chip_sata_req,
4666 	.phy_start_req		= pm80xx_chip_phy_start_req,
4667 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
4668 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
4669 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4670 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
4671 	.task_abort		= pm8001_chip_abort_task,
4672 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4673 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4674 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4675 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4676 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4677 };
4678