xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision e63c7a0979f28bb13e06b981765dd514c01c075b)
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 }
316 
317 /**
318  * read_general_status_table - read the general status table and save it.
319  * @pm8001_ha: our hba card information
320  */
321 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
322 {
323 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
324 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
325 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
326 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
327 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
328 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
329 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
330 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
331 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
332 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
333 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
334 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
335 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
336 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
337 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
338 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
339 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
340 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
341 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
342 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
343 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
344 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
345 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
346 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
347 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
348 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
349 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
350 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
351 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
352 }
353 /**
354  * read_phy_attr_table - read the phy attribute table and save it.
355  * @pm8001_ha: our hba card information
356  */
357 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
358 {
359 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
360 	pm8001_ha->phy_attr_table.phystart1_16[0] =
361 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
362 	pm8001_ha->phy_attr_table.phystart1_16[1] =
363 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
364 	pm8001_ha->phy_attr_table.phystart1_16[2] =
365 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
366 	pm8001_ha->phy_attr_table.phystart1_16[3] =
367 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
368 	pm8001_ha->phy_attr_table.phystart1_16[4] =
369 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
370 	pm8001_ha->phy_attr_table.phystart1_16[5] =
371 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
372 	pm8001_ha->phy_attr_table.phystart1_16[6] =
373 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
374 	pm8001_ha->phy_attr_table.phystart1_16[7] =
375 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
376 	pm8001_ha->phy_attr_table.phystart1_16[8] =
377 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
378 	pm8001_ha->phy_attr_table.phystart1_16[9] =
379 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
380 	pm8001_ha->phy_attr_table.phystart1_16[10] =
381 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
382 	pm8001_ha->phy_attr_table.phystart1_16[11] =
383 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
384 	pm8001_ha->phy_attr_table.phystart1_16[12] =
385 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
386 	pm8001_ha->phy_attr_table.phystart1_16[13] =
387 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
388 	pm8001_ha->phy_attr_table.phystart1_16[14] =
389 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
390 	pm8001_ha->phy_attr_table.phystart1_16[15] =
391 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
392 
393 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
394 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
395 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
396 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
397 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
398 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
399 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
400 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
401 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
402 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
403 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
404 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
405 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
406 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
407 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
408 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
409 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
410 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
411 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
412 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
413 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
414 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
415 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
416 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
417 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
418 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
419 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
420 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
421 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
422 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
423 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
424 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
425 
426 }
427 
428 /**
429  * read_inbnd_queue_table - read the inbound queue table and save it.
430  * @pm8001_ha: our hba card information
431  */
432 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
433 {
434 	int i;
435 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
436 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
437 		u32 offset = i * 0x20;
438 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
439 			get_pci_bar_index(pm8001_mr32(address,
440 				(offset + IB_PIPCI_BAR)));
441 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
442 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
443 	}
444 }
445 
446 /**
447  * read_outbnd_queue_table - read the outbound queue table and save it.
448  * @pm8001_ha: our hba card information
449  */
450 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
451 {
452 	int i;
453 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
454 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
455 		u32 offset = i * 0x24;
456 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
457 			get_pci_bar_index(pm8001_mr32(address,
458 				(offset + OB_CIPCI_BAR)));
459 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
460 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
461 	}
462 }
463 
464 /**
465  * init_default_table_values - init the default table.
466  * @pm8001_ha: our hba card information
467  */
468 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
469 {
470 	int i;
471 	u32 offsetib, offsetob;
472 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
473 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
474 
475 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
476 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
477 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
478 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
479 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
480 							PM8001_EVENT_LOG_SIZE;
481 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
482 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
483 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
484 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
485 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
486 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
487 							PM8001_EVENT_LOG_SIZE;
488 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
489 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
490 
491 	/* Disable end to end CRC checking */
492 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
493 
494 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
495 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
496 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
497 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
498 			pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
499 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
500 		pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
501 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
502 			(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
503 		pm8001_ha->inbnd_q_tbl[i].total_length		=
504 			pm8001_ha->memoryMap.region[IB + i].total_len;
505 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
506 			pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
507 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
508 			pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
509 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
510 			pm8001_ha->memoryMap.region[CI + i].virt_ptr;
511 		offsetib = i * 0x20;
512 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
513 			get_pci_bar_index(pm8001_mr32(addressib,
514 				(offsetib + 0x14)));
515 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
516 			pm8001_mr32(addressib, (offsetib + 0x18));
517 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
518 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
519 	}
520 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
521 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
522 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
523 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
524 			pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
525 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
526 			pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
527 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
528 			(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
529 		pm8001_ha->outbnd_q_tbl[i].total_length		=
530 			pm8001_ha->memoryMap.region[OB + i].total_len;
531 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
532 			pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
533 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
534 			pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
535 		/* interrupt vector based on oq */
536 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
537 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
538 			pm8001_ha->memoryMap.region[PI + i].virt_ptr;
539 		offsetob = i * 0x24;
540 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
541 			get_pci_bar_index(pm8001_mr32(addressob,
542 			offsetob + 0x14));
543 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
544 			pm8001_mr32(addressob, (offsetob + 0x18));
545 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
546 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
547 	}
548 }
549 
550 /**
551  * update_main_config_table - update the main default table to the HBA.
552  * @pm8001_ha: our hba card information
553  */
554 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
555 {
556 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
557 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
558 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
559 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
560 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
561 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
562 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
563 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
564 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
565 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
566 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
567 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
568 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
569 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
570 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
571 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
572 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
573 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
574 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
575 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
576 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
577 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
578 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
579 
580 	/* SPCv specific */
581 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
582 	/* Set GPIOLED to 0x2 for LED indicator */
583 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
584 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
585 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
586 
587 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
588 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
589 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
590 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
591 
592 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
593 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
594 							PORT_RECOVERY_TIMEOUT;
595 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
596 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
597 }
598 
599 /**
600  * update_inbnd_queue_table - update the inbound queue table to the HBA.
601  * @pm8001_ha: our hba card information
602  */
603 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
604 					 int number)
605 {
606 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
607 	u16 offset = number * 0x20;
608 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
609 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
610 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
611 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
612 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
613 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
614 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
615 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
616 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
617 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
618 }
619 
620 /**
621  * update_outbnd_queue_table - update the outbound queue table to the HBA.
622  * @pm8001_ha: our hba card information
623  */
624 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
625 						 int number)
626 {
627 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
628 	u16 offset = number * 0x24;
629 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
630 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
631 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
632 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
633 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
634 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
635 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
636 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
637 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
638 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
639 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
640 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
641 }
642 
643 /**
644  * mpi_init_check - check firmware initialization status.
645  * @pm8001_ha: our hba card information
646  */
647 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
648 {
649 	u32 max_wait_count;
650 	u32 value;
651 	u32 gst_len_mpistate;
652 
653 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
654 	table is updated */
655 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
656 	/* wait until Inbound DoorBell Clear Register toggled */
657 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
658 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
659 	} else {
660 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
661 	}
662 	do {
663 		udelay(1);
664 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
665 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
666 	} while ((value != 0) && (--max_wait_count));
667 
668 	if (!max_wait_count)
669 		return -1;
670 	/* check the MPI-State for initialization upto 100ms*/
671 	max_wait_count = 100 * 1000;/* 100 msec */
672 	do {
673 		udelay(1);
674 		gst_len_mpistate =
675 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
676 					GST_GSTLEN_MPIS_OFFSET);
677 	} while ((GST_MPI_STATE_INIT !=
678 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
679 	if (!max_wait_count)
680 		return -1;
681 
682 	/* check MPI Initialization error */
683 	gst_len_mpistate = gst_len_mpistate >> 16;
684 	if (0x0000 != gst_len_mpistate)
685 		return -1;
686 
687 	return 0;
688 }
689 
690 /**
691  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
692  * @pm8001_ha: our hba card information
693  */
694 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
695 {
696 	u32 value;
697 	u32 max_wait_count;
698 	u32 max_wait_time;
699 	int ret = 0;
700 
701 	/* reset / PCIe ready */
702 	max_wait_time = max_wait_count = 100 * 1000;	/* 100 milli sec */
703 	do {
704 		udelay(1);
705 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
706 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
707 
708 	/* check ila status */
709 	max_wait_time = max_wait_count = 1000 * 1000;	/* 1000 milli sec */
710 	do {
711 		udelay(1);
712 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
713 	} while (((value & SCRATCH_PAD_ILA_READY) !=
714 			SCRATCH_PAD_ILA_READY) && (--max_wait_count));
715 	if (!max_wait_count)
716 		ret = -1;
717 	else {
718 		PM8001_MSG_DBG(pm8001_ha,
719 			pm8001_printk(" ila ready status in %d millisec\n",
720 				(max_wait_time - max_wait_count)));
721 	}
722 
723 	/* check RAAE status */
724 	max_wait_time = max_wait_count = 1800 * 1000;	/* 1800 milli sec */
725 	do {
726 		udelay(1);
727 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
728 	} while (((value & SCRATCH_PAD_RAAE_READY) !=
729 				SCRATCH_PAD_RAAE_READY) && (--max_wait_count));
730 	if (!max_wait_count)
731 		ret = -1;
732 	else {
733 		PM8001_MSG_DBG(pm8001_ha,
734 			pm8001_printk(" raae ready status in %d millisec\n",
735 					(max_wait_time - max_wait_count)));
736 	}
737 
738 	/* check iop0 status */
739 	max_wait_time = max_wait_count = 600 * 1000;	/* 600 milli sec */
740 	do {
741 		udelay(1);
742 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
743 	} while (((value & SCRATCH_PAD_IOP0_READY) != SCRATCH_PAD_IOP0_READY) &&
744 			(--max_wait_count));
745 	if (!max_wait_count)
746 		ret = -1;
747 	else {
748 		PM8001_MSG_DBG(pm8001_ha,
749 			pm8001_printk(" iop0 ready status in %d millisec\n",
750 				(max_wait_time - max_wait_count)));
751 	}
752 
753 	/* check iop1 status only for 16 port controllers */
754 	if ((pm8001_ha->chip_id != chip_8008) &&
755 			(pm8001_ha->chip_id != chip_8009)) {
756 		/* 200 milli sec */
757 		max_wait_time = max_wait_count = 200 * 1000;
758 		do {
759 			udelay(1);
760 			value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
761 		} while (((value & SCRATCH_PAD_IOP1_READY) !=
762 				SCRATCH_PAD_IOP1_READY) && (--max_wait_count));
763 		if (!max_wait_count)
764 			ret = -1;
765 		else {
766 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
767 				"iop1 ready status in %d millisec\n",
768 				(max_wait_time - max_wait_count)));
769 		}
770 	}
771 
772 	return ret;
773 }
774 
775 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
776 {
777 	void __iomem *base_addr;
778 	u32	value;
779 	u32	offset;
780 	u32	pcibar;
781 	u32	pcilogic;
782 
783 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
784 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
785 
786 	PM8001_INIT_DBG(pm8001_ha,
787 		pm8001_printk("Scratchpad 0 Offset: 0x%x value 0x%x\n",
788 				offset, value));
789 	pcilogic = (value & 0xFC000000) >> 26;
790 	pcibar = get_pci_bar_index(pcilogic);
791 	PM8001_INIT_DBG(pm8001_ha,
792 		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
793 	pm8001_ha->main_cfg_tbl_addr = base_addr =
794 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
795 	pm8001_ha->general_stat_tbl_addr =
796 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
797 					0xFFFFFF);
798 	pm8001_ha->inbnd_q_tbl_addr =
799 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
800 					0xFFFFFF);
801 	pm8001_ha->outbnd_q_tbl_addr =
802 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
803 					0xFFFFFF);
804 	pm8001_ha->ivt_tbl_addr =
805 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
806 					0xFFFFFF);
807 	pm8001_ha->pspa_q_tbl_addr =
808 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
809 					0xFFFFFF);
810 	pm8001_ha->fatal_tbl_addr =
811 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
812 					0xFFFFFF);
813 
814 	PM8001_INIT_DBG(pm8001_ha,
815 			pm8001_printk("GST OFFSET 0x%x\n",
816 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x18)));
817 	PM8001_INIT_DBG(pm8001_ha,
818 			pm8001_printk("INBND OFFSET 0x%x\n",
819 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C)));
820 	PM8001_INIT_DBG(pm8001_ha,
821 			pm8001_printk("OBND OFFSET 0x%x\n",
822 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x20)));
823 	PM8001_INIT_DBG(pm8001_ha,
824 			pm8001_printk("IVT OFFSET 0x%x\n",
825 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C)));
826 	PM8001_INIT_DBG(pm8001_ha,
827 			pm8001_printk("PSPA OFFSET 0x%x\n",
828 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x90)));
829 	PM8001_INIT_DBG(pm8001_ha,
830 			pm8001_printk("addr - main cfg %p general status %p\n",
831 			pm8001_ha->main_cfg_tbl_addr,
832 			pm8001_ha->general_stat_tbl_addr));
833 	PM8001_INIT_DBG(pm8001_ha,
834 			pm8001_printk("addr - inbnd %p obnd %p\n",
835 			pm8001_ha->inbnd_q_tbl_addr,
836 			pm8001_ha->outbnd_q_tbl_addr));
837 	PM8001_INIT_DBG(pm8001_ha,
838 			pm8001_printk("addr - pspa %p ivt %p\n",
839 			pm8001_ha->pspa_q_tbl_addr,
840 			pm8001_ha->ivt_tbl_addr));
841 }
842 
843 /**
844  * pm80xx_set_thermal_config - support the thermal configuration
845  * @pm8001_ha: our hba card information.
846  */
847 int
848 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
849 {
850 	struct set_ctrl_cfg_req payload;
851 	struct inbound_queue_table *circularQ;
852 	int rc;
853 	u32 tag;
854 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
855 	u32 page_code;
856 
857 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
858 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
859 	if (rc)
860 		return -1;
861 
862 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
863 	payload.tag = cpu_to_le32(tag);
864 
865 	if (IS_SPCV_12G(pm8001_ha->pdev))
866 		page_code = THERMAL_PAGE_CODE_7H;
867 	else
868 		page_code = THERMAL_PAGE_CODE_8H;
869 
870 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
871 				(THERMAL_ENABLE << 8) | page_code;
872 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
873 
874 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
875 	if (rc)
876 		pm8001_tag_free(pm8001_ha, tag);
877 	return rc;
878 
879 }
880 
881 /**
882 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
883 * Timer configuration page
884 * @pm8001_ha: our hba card information.
885 */
886 static int
887 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
888 {
889 	struct set_ctrl_cfg_req payload;
890 	struct inbound_queue_table *circularQ;
891 	SASProtocolTimerConfig_t SASConfigPage;
892 	int rc;
893 	u32 tag;
894 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
895 
896 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
897 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
898 
899 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
900 
901 	if (rc)
902 		return -1;
903 
904 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
905 	payload.tag = cpu_to_le32(tag);
906 
907 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
908 	SASConfigPage.MST_MSI         =  3 << 15;
909 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
910 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
911 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
912 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
913 
914 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
915 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
916 
917 
918 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
919 						SAS_OPNRJT_RTRY_INTVL;
920 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
921 						| SAS_COPNRJT_RTRY_TMO;
922 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
923 						| SAS_COPNRJT_RTRY_THR;
924 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
925 
926 	PM8001_INIT_DBG(pm8001_ha,
927 			pm8001_printk("SASConfigPage.pageCode "
928 			"0x%08x\n", SASConfigPage.pageCode));
929 	PM8001_INIT_DBG(pm8001_ha,
930 			pm8001_printk("SASConfigPage.MST_MSI "
931 			" 0x%08x\n", SASConfigPage.MST_MSI));
932 	PM8001_INIT_DBG(pm8001_ha,
933 			pm8001_printk("SASConfigPage.STP_SSP_MCT_TMO "
934 			" 0x%08x\n", SASConfigPage.STP_SSP_MCT_TMO));
935 	PM8001_INIT_DBG(pm8001_ha,
936 			pm8001_printk("SASConfigPage.STP_FRM_TMO "
937 			" 0x%08x\n", SASConfigPage.STP_FRM_TMO));
938 	PM8001_INIT_DBG(pm8001_ha,
939 			pm8001_printk("SASConfigPage.STP_IDLE_TMO "
940 			" 0x%08x\n", SASConfigPage.STP_IDLE_TMO));
941 	PM8001_INIT_DBG(pm8001_ha,
942 			pm8001_printk("SASConfigPage.OPNRJT_RTRY_INTVL "
943 			" 0x%08x\n", SASConfigPage.OPNRJT_RTRY_INTVL));
944 	PM8001_INIT_DBG(pm8001_ha,
945 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO "
946 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
947 	PM8001_INIT_DBG(pm8001_ha,
948 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR "
949 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
950 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("SASConfigPage.MAX_AIP "
951 			" 0x%08x\n", SASConfigPage.MAX_AIP));
952 
953 	memcpy(&payload.cfg_pg, &SASConfigPage,
954 			 sizeof(SASProtocolTimerConfig_t));
955 
956 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
957 	if (rc)
958 		pm8001_tag_free(pm8001_ha, tag);
959 
960 	return rc;
961 }
962 
963 /**
964  * pm80xx_get_encrypt_info - Check for encryption
965  * @pm8001_ha: our hba card information.
966  */
967 static int
968 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
969 {
970 	u32 scratch3_value;
971 	int ret = -1;
972 
973 	/* Read encryption status from SCRATCH PAD 3 */
974 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
975 
976 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
977 					SCRATCH_PAD3_ENC_READY) {
978 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
979 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
980 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
981 						SCRATCH_PAD3_SMF_ENABLED)
982 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
983 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
984 						SCRATCH_PAD3_SMA_ENABLED)
985 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
986 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
987 						SCRATCH_PAD3_SMB_ENABLED)
988 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
989 		pm8001_ha->encrypt_info.status = 0;
990 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
991 			"Encryption: SCRATCH_PAD3_ENC_READY 0x%08X."
992 			"Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
993 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
994 			pm8001_ha->encrypt_info.sec_mode,
995 			pm8001_ha->encrypt_info.status));
996 		ret = 0;
997 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
998 					SCRATCH_PAD3_ENC_DISABLED) {
999 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1000 			"Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1001 			scratch3_value));
1002 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1003 		pm8001_ha->encrypt_info.cipher_mode = 0;
1004 		pm8001_ha->encrypt_info.sec_mode = 0;
1005 		ret = 0;
1006 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1007 				SCRATCH_PAD3_ENC_DIS_ERR) {
1008 		pm8001_ha->encrypt_info.status =
1009 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1010 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1011 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1012 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1013 					SCRATCH_PAD3_SMF_ENABLED)
1014 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1015 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1016 					SCRATCH_PAD3_SMA_ENABLED)
1017 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1018 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1019 					SCRATCH_PAD3_SMB_ENABLED)
1020 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1021 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1022 			"Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X."
1023 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1024 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1025 			pm8001_ha->encrypt_info.sec_mode,
1026 			pm8001_ha->encrypt_info.status));
1027 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1028 				 SCRATCH_PAD3_ENC_ENA_ERR) {
1029 
1030 		pm8001_ha->encrypt_info.status =
1031 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1032 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1033 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1034 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1035 					SCRATCH_PAD3_SMF_ENABLED)
1036 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1037 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1038 					SCRATCH_PAD3_SMA_ENABLED)
1039 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1040 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1041 					SCRATCH_PAD3_SMB_ENABLED)
1042 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1043 
1044 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1045 			"Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X."
1046 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1047 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1048 			pm8001_ha->encrypt_info.sec_mode,
1049 			pm8001_ha->encrypt_info.status));
1050 	}
1051 	return ret;
1052 }
1053 
1054 /**
1055  * pm80xx_encrypt_update - update flash with encryption informtion
1056  * @pm8001_ha: our hba card information.
1057  */
1058 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1059 {
1060 	struct kek_mgmt_req payload;
1061 	struct inbound_queue_table *circularQ;
1062 	int rc;
1063 	u32 tag;
1064 	u32 opc = OPC_INB_KEK_MANAGEMENT;
1065 
1066 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
1067 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
1068 	if (rc)
1069 		return -1;
1070 
1071 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1072 	payload.tag = cpu_to_le32(tag);
1073 	/* Currently only one key is used. New KEK index is 1.
1074 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
1075 	 */
1076 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1077 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
1078 
1079 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
1080 	if (rc)
1081 		pm8001_tag_free(pm8001_ha, tag);
1082 
1083 	return rc;
1084 }
1085 
1086 /**
1087  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
1088  * @pm8001_ha: our hba card information
1089  */
1090 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1091 {
1092 	int ret;
1093 	u8 i = 0;
1094 
1095 	/* check the firmware status */
1096 	if (-1 == check_fw_ready(pm8001_ha)) {
1097 		PM8001_FAIL_DBG(pm8001_ha,
1098 			pm8001_printk("Firmware is not ready!\n"));
1099 		return -EBUSY;
1100 	}
1101 
1102 	/* Initialize pci space address eg: mpi offset */
1103 	init_pci_device_addresses(pm8001_ha);
1104 	init_default_table_values(pm8001_ha);
1105 	read_main_config_table(pm8001_ha);
1106 	read_general_status_table(pm8001_ha);
1107 	read_inbnd_queue_table(pm8001_ha);
1108 	read_outbnd_queue_table(pm8001_ha);
1109 	read_phy_attr_table(pm8001_ha);
1110 
1111 	/* update main config table ,inbound table and outbound table */
1112 	update_main_config_table(pm8001_ha);
1113 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++)
1114 		update_inbnd_queue_table(pm8001_ha, i);
1115 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++)
1116 		update_outbnd_queue_table(pm8001_ha, i);
1117 
1118 	/* notify firmware update finished and check initialization status */
1119 	if (0 == mpi_init_check(pm8001_ha)) {
1120 		PM8001_INIT_DBG(pm8001_ha,
1121 			pm8001_printk("MPI initialize successful!\n"));
1122 	} else
1123 		return -EBUSY;
1124 
1125 	/* send SAS protocol timer configuration page to FW */
1126 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1127 
1128 	/* Check for encryption */
1129 	if (pm8001_ha->chip->encrypt) {
1130 		PM8001_INIT_DBG(pm8001_ha,
1131 			pm8001_printk("Checking for encryption\n"));
1132 		ret = pm80xx_get_encrypt_info(pm8001_ha);
1133 		if (ret == -1) {
1134 			PM8001_INIT_DBG(pm8001_ha,
1135 				pm8001_printk("Encryption error !!\n"));
1136 			if (pm8001_ha->encrypt_info.status == 0x81) {
1137 				PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1138 					"Encryption enabled with error."
1139 					"Saving encryption key to flash\n"));
1140 				pm80xx_encrypt_update(pm8001_ha);
1141 			}
1142 		}
1143 	}
1144 	return 0;
1145 }
1146 
1147 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1148 {
1149 	u32 max_wait_count;
1150 	u32 value;
1151 	u32 gst_len_mpistate;
1152 	init_pci_device_addresses(pm8001_ha);
1153 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1154 	table is stop */
1155 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1156 
1157 	/* wait until Inbound DoorBell Clear Register toggled */
1158 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
1159 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
1160 	} else {
1161 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1162 	}
1163 	do {
1164 		udelay(1);
1165 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1166 		value &= SPCv_MSGU_CFG_TABLE_RESET;
1167 	} while ((value != 0) && (--max_wait_count));
1168 
1169 	if (!max_wait_count) {
1170 		PM8001_FAIL_DBG(pm8001_ha,
1171 			pm8001_printk("TIMEOUT:IBDB value/=%x\n", value));
1172 		return -1;
1173 	}
1174 
1175 	/* check the MPI-State for termination in progress */
1176 	/* wait until Inbound DoorBell Clear Register toggled */
1177 	max_wait_count = 2 * 1000 * 1000;	/* 2 sec for spcv/ve */
1178 	do {
1179 		udelay(1);
1180 		gst_len_mpistate =
1181 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1182 			GST_GSTLEN_MPIS_OFFSET);
1183 		if (GST_MPI_STATE_UNINIT ==
1184 			(gst_len_mpistate & GST_MPI_STATE_MASK))
1185 			break;
1186 	} while (--max_wait_count);
1187 	if (!max_wait_count) {
1188 		PM8001_FAIL_DBG(pm8001_ha,
1189 			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
1190 				gst_len_mpistate & GST_MPI_STATE_MASK));
1191 		return -1;
1192 	}
1193 
1194 	return 0;
1195 }
1196 
1197 /**
1198  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
1199  * the FW register status to the originated status.
1200  * @pm8001_ha: our hba card information
1201  */
1202 
1203 static int
1204 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1205 {
1206 	u32 regval;
1207 	u32 bootloader_state;
1208 	u32 ibutton0, ibutton1;
1209 
1210 	/* Check if MPI is in ready state to reset */
1211 	if (mpi_uninit_check(pm8001_ha) != 0) {
1212 		PM8001_FAIL_DBG(pm8001_ha,
1213 			pm8001_printk("MPI state is not ready\n"));
1214 		return -1;
1215 	}
1216 
1217 	/* checked for reset register normal state; 0x0 */
1218 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1219 	PM8001_INIT_DBG(pm8001_ha,
1220 		pm8001_printk("reset register before write : 0x%x\n", regval));
1221 
1222 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1223 	mdelay(500);
1224 
1225 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1226 	PM8001_INIT_DBG(pm8001_ha,
1227 	pm8001_printk("reset register after write 0x%x\n", regval));
1228 
1229 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1230 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1231 		PM8001_MSG_DBG(pm8001_ha,
1232 			pm8001_printk(" soft reset successful [regval: 0x%x]\n",
1233 					regval));
1234 	} else {
1235 		PM8001_MSG_DBG(pm8001_ha,
1236 			pm8001_printk(" soft reset failed [regval: 0x%x]\n",
1237 					regval));
1238 
1239 		/* check bootloader is successfully executed or in HDA mode */
1240 		bootloader_state =
1241 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1242 			SCRATCH_PAD1_BOOTSTATE_MASK;
1243 
1244 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1245 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1246 				"Bootloader state - HDA mode SEEPROM\n"));
1247 		} else if (bootloader_state ==
1248 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1249 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1250 				"Bootloader state - HDA mode Bootstrap Pin\n"));
1251 		} else if (bootloader_state ==
1252 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1253 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1254 				"Bootloader state - HDA mode soft reset\n"));
1255 		} else if (bootloader_state ==
1256 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1257 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1258 				"Bootloader state-HDA mode critical error\n"));
1259 		}
1260 		return -EBUSY;
1261 	}
1262 
1263 	/* check the firmware status after reset */
1264 	if (-1 == check_fw_ready(pm8001_ha)) {
1265 		PM8001_FAIL_DBG(pm8001_ha,
1266 			pm8001_printk("Firmware is not ready!\n"));
1267 		/* check iButton feature support for motherboard controller */
1268 		if (pm8001_ha->pdev->subsystem_vendor !=
1269 			PCI_VENDOR_ID_ADAPTEC2 &&
1270 			pm8001_ha->pdev->subsystem_vendor != 0) {
1271 			ibutton0 = pm8001_cr32(pm8001_ha, 0,
1272 					MSGU_HOST_SCRATCH_PAD_6);
1273 			ibutton1 = pm8001_cr32(pm8001_ha, 0,
1274 					MSGU_HOST_SCRATCH_PAD_7);
1275 			if (!ibutton0 && !ibutton1) {
1276 				PM8001_FAIL_DBG(pm8001_ha,
1277 					pm8001_printk("iButton Feature is"
1278 					" not Available!!!\n"));
1279 				return -EBUSY;
1280 			}
1281 			if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1282 				PM8001_FAIL_DBG(pm8001_ha,
1283 					pm8001_printk("CRC Check for iButton"
1284 					" Feature Failed!!!\n"));
1285 				return -EBUSY;
1286 			}
1287 		}
1288 	}
1289 	PM8001_INIT_DBG(pm8001_ha,
1290 		pm8001_printk("SPCv soft reset Complete\n"));
1291 	return 0;
1292 }
1293 
1294 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1295 {
1296 	 u32 i;
1297 
1298 	PM8001_INIT_DBG(pm8001_ha,
1299 		pm8001_printk("chip reset start\n"));
1300 
1301 	/* do SPCv chip reset. */
1302 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1303 	PM8001_INIT_DBG(pm8001_ha,
1304 		pm8001_printk("SPC soft reset Complete\n"));
1305 
1306 	/* Check this ..whether delay is required or no */
1307 	/* delay 10 usec */
1308 	udelay(10);
1309 
1310 	/* wait for 20 msec until the firmware gets reloaded */
1311 	i = 20;
1312 	do {
1313 		mdelay(1);
1314 	} while ((--i) != 0);
1315 
1316 	PM8001_INIT_DBG(pm8001_ha,
1317 		pm8001_printk("chip reset finished\n"));
1318 }
1319 
1320 /**
1321  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1322  * @pm8001_ha: our hba card information
1323  */
1324 static void
1325 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1326 {
1327 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1328 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1329 }
1330 
1331 /**
1332  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1333  * @pm8001_ha: our hba card information
1334  */
1335 static void
1336 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1337 {
1338 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1339 }
1340 
1341 /**
1342  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1343  * @pm8001_ha: our hba card information
1344  */
1345 static void
1346 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1347 {
1348 #ifdef PM8001_USE_MSIX
1349 	u32 mask;
1350 	mask = (u32)(1 << vec);
1351 
1352 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1353 	return;
1354 #endif
1355 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1356 
1357 }
1358 
1359 /**
1360  * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1361  * @pm8001_ha: our hba card information
1362  */
1363 static void
1364 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1365 {
1366 #ifdef PM8001_USE_MSIX
1367 	u32 mask;
1368 	if (vec == 0xFF)
1369 		mask = 0xFFFFFFFF;
1370 	else
1371 		mask = (u32)(1 << vec);
1372 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1373 	return;
1374 #endif
1375 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1376 }
1377 
1378 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1379 		struct pm8001_device *pm8001_ha_dev)
1380 {
1381 	int res;
1382 	u32 ccb_tag;
1383 	struct pm8001_ccb_info *ccb;
1384 	struct sas_task *task = NULL;
1385 	struct task_abort_req task_abort;
1386 	struct inbound_queue_table *circularQ;
1387 	u32 opc = OPC_INB_SATA_ABORT;
1388 	int ret;
1389 
1390 	if (!pm8001_ha_dev) {
1391 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1392 		return;
1393 	}
1394 
1395 	task = sas_alloc_slow_task(GFP_ATOMIC);
1396 
1397 	if (!task) {
1398 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1399 						"allocate task\n"));
1400 		return;
1401 	}
1402 
1403 	task->task_done = pm8001_task_done;
1404 
1405 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1406 	if (res) {
1407 		sas_free_task(task);
1408 		return;
1409 	}
1410 
1411 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1412 	ccb->device = pm8001_ha_dev;
1413 	ccb->ccb_tag = ccb_tag;
1414 	ccb->task = task;
1415 
1416 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1417 
1418 	memset(&task_abort, 0, sizeof(task_abort));
1419 	task_abort.abort_all = cpu_to_le32(1);
1420 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1421 	task_abort.tag = cpu_to_le32(ccb_tag);
1422 
1423 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
1424 	if (ret) {
1425 		sas_free_task(task);
1426 		pm8001_tag_free(pm8001_ha, ccb_tag);
1427 	}
1428 }
1429 
1430 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1431 		struct pm8001_device *pm8001_ha_dev)
1432 {
1433 	struct sata_start_req sata_cmd;
1434 	int res;
1435 	u32 ccb_tag;
1436 	struct pm8001_ccb_info *ccb;
1437 	struct sas_task *task = NULL;
1438 	struct host_to_dev_fis fis;
1439 	struct domain_device *dev;
1440 	struct inbound_queue_table *circularQ;
1441 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1442 
1443 	task = sas_alloc_slow_task(GFP_ATOMIC);
1444 
1445 	if (!task) {
1446 		PM8001_FAIL_DBG(pm8001_ha,
1447 			pm8001_printk("cannot allocate task !!!\n"));
1448 		return;
1449 	}
1450 	task->task_done = pm8001_task_done;
1451 
1452 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1453 	if (res) {
1454 		sas_free_task(task);
1455 		PM8001_FAIL_DBG(pm8001_ha,
1456 			pm8001_printk("cannot allocate tag !!!\n"));
1457 		return;
1458 	}
1459 
1460 	/* allocate domain device by ourselves as libsas
1461 	 * is not going to provide any
1462 	*/
1463 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1464 	if (!dev) {
1465 		sas_free_task(task);
1466 		pm8001_tag_free(pm8001_ha, ccb_tag);
1467 		PM8001_FAIL_DBG(pm8001_ha,
1468 			pm8001_printk("Domain device cannot be allocated\n"));
1469 		return;
1470 	}
1471 
1472 	task->dev = dev;
1473 	task->dev->lldd_dev = pm8001_ha_dev;
1474 
1475 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1476 	ccb->device = pm8001_ha_dev;
1477 	ccb->ccb_tag = ccb_tag;
1478 	ccb->task = task;
1479 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1480 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1481 
1482 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1483 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1484 
1485 	/* construct read log FIS */
1486 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1487 	fis.fis_type = 0x27;
1488 	fis.flags = 0x80;
1489 	fis.command = ATA_CMD_READ_LOG_EXT;
1490 	fis.lbal = 0x10;
1491 	fis.sector_count = 0x1;
1492 
1493 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1494 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1495 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1496 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1497 
1498 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
1499 	if (res) {
1500 		sas_free_task(task);
1501 		pm8001_tag_free(pm8001_ha, ccb_tag);
1502 		kfree(dev);
1503 	}
1504 }
1505 
1506 /**
1507  * mpi_ssp_completion- process the event that FW response to the SSP request.
1508  * @pm8001_ha: our hba card information
1509  * @piomb: the message contents of this outbound message.
1510  *
1511  * When FW has completed a ssp request for example a IO request, after it has
1512  * filled the SG data with the data, it will trigger this event represent
1513  * that he has finished the job,please check the coresponding buffer.
1514  * So we will tell the caller who maybe waiting the result to tell upper layer
1515  * that the task has been finished.
1516  */
1517 static void
1518 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1519 {
1520 	struct sas_task *t;
1521 	struct pm8001_ccb_info *ccb;
1522 	unsigned long flags;
1523 	u32 status;
1524 	u32 param;
1525 	u32 tag;
1526 	struct ssp_completion_resp *psspPayload;
1527 	struct task_status_struct *ts;
1528 	struct ssp_response_iu *iu;
1529 	struct pm8001_device *pm8001_dev;
1530 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1531 	status = le32_to_cpu(psspPayload->status);
1532 	tag = le32_to_cpu(psspPayload->tag);
1533 	ccb = &pm8001_ha->ccb_info[tag];
1534 	if ((status == IO_ABORTED) && ccb->open_retry) {
1535 		/* Being completed by another */
1536 		ccb->open_retry = 0;
1537 		return;
1538 	}
1539 	pm8001_dev = ccb->device;
1540 	param = le32_to_cpu(psspPayload->param);
1541 	t = ccb->task;
1542 
1543 	if (status && status != IO_UNDERFLOW)
1544 		PM8001_FAIL_DBG(pm8001_ha,
1545 			pm8001_printk("sas IO status 0x%x\n", status));
1546 	if (unlikely(!t || !t->lldd_task || !t->dev))
1547 		return;
1548 	ts = &t->task_status;
1549 	/* Print sas address of IO failed device */
1550 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1551 		(status != IO_UNDERFLOW))
1552 		PM8001_FAIL_DBG(pm8001_ha,
1553 			pm8001_printk("SAS Address of IO Failure Drive"
1554 			":%016llx", SAS_ADDR(t->dev->sas_addr)));
1555 
1556 	switch (status) {
1557 	case IO_SUCCESS:
1558 		PM8001_IO_DBG(pm8001_ha,
1559 			pm8001_printk("IO_SUCCESS ,param = 0x%x\n",
1560 				param));
1561 		if (param == 0) {
1562 			ts->resp = SAS_TASK_COMPLETE;
1563 			ts->stat = SAM_STAT_GOOD;
1564 		} else {
1565 			ts->resp = SAS_TASK_COMPLETE;
1566 			ts->stat = SAS_PROTO_RESPONSE;
1567 			ts->residual = param;
1568 			iu = &psspPayload->ssp_resp_iu;
1569 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1570 		}
1571 		if (pm8001_dev)
1572 			pm8001_dev->running_req--;
1573 		break;
1574 	case IO_ABORTED:
1575 		PM8001_IO_DBG(pm8001_ha,
1576 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1577 		ts->resp = SAS_TASK_COMPLETE;
1578 		ts->stat = SAS_ABORTED_TASK;
1579 		break;
1580 	case IO_UNDERFLOW:
1581 		/* SSP Completion with error */
1582 		PM8001_IO_DBG(pm8001_ha,
1583 			pm8001_printk("IO_UNDERFLOW ,param = 0x%x\n",
1584 				param));
1585 		ts->resp = SAS_TASK_COMPLETE;
1586 		ts->stat = SAS_DATA_UNDERRUN;
1587 		ts->residual = param;
1588 		if (pm8001_dev)
1589 			pm8001_dev->running_req--;
1590 		break;
1591 	case IO_NO_DEVICE:
1592 		PM8001_IO_DBG(pm8001_ha,
1593 			pm8001_printk("IO_NO_DEVICE\n"));
1594 		ts->resp = SAS_TASK_UNDELIVERED;
1595 		ts->stat = SAS_PHY_DOWN;
1596 		break;
1597 	case IO_XFER_ERROR_BREAK:
1598 		PM8001_IO_DBG(pm8001_ha,
1599 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1600 		ts->resp = SAS_TASK_COMPLETE;
1601 		ts->stat = SAS_OPEN_REJECT;
1602 		/* Force the midlayer to retry */
1603 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1604 		break;
1605 	case IO_XFER_ERROR_PHY_NOT_READY:
1606 		PM8001_IO_DBG(pm8001_ha,
1607 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1608 		ts->resp = SAS_TASK_COMPLETE;
1609 		ts->stat = SAS_OPEN_REJECT;
1610 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1611 		break;
1612 	case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
1613 		PM8001_IO_DBG(pm8001_ha,
1614 			pm8001_printk("IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n"));
1615 		ts->resp = SAS_TASK_COMPLETE;
1616 		ts->stat = SAS_OPEN_REJECT;
1617 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1618 		break;
1619 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1620 		PM8001_IO_DBG(pm8001_ha,
1621 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1622 		ts->resp = SAS_TASK_COMPLETE;
1623 		ts->stat = SAS_OPEN_REJECT;
1624 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1625 		break;
1626 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1627 		PM8001_IO_DBG(pm8001_ha,
1628 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1629 		ts->resp = SAS_TASK_COMPLETE;
1630 		ts->stat = SAS_OPEN_REJECT;
1631 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1632 		break;
1633 	case IO_OPEN_CNX_ERROR_BREAK:
1634 		PM8001_IO_DBG(pm8001_ha,
1635 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1636 		ts->resp = SAS_TASK_COMPLETE;
1637 		ts->stat = SAS_OPEN_REJECT;
1638 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1639 		break;
1640 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1641 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1642 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1643 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1644 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1645 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1646 		PM8001_IO_DBG(pm8001_ha,
1647 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1648 		ts->resp = SAS_TASK_COMPLETE;
1649 		ts->stat = SAS_OPEN_REJECT;
1650 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1651 		if (!t->uldd_task)
1652 			pm8001_handle_event(pm8001_ha,
1653 				pm8001_dev,
1654 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1655 		break;
1656 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1657 		PM8001_IO_DBG(pm8001_ha,
1658 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1659 		ts->resp = SAS_TASK_COMPLETE;
1660 		ts->stat = SAS_OPEN_REJECT;
1661 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1662 		break;
1663 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1664 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1665 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1666 		ts->resp = SAS_TASK_COMPLETE;
1667 		ts->stat = SAS_OPEN_REJECT;
1668 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1669 		break;
1670 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1671 		PM8001_IO_DBG(pm8001_ha,
1672 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1673 		ts->resp = SAS_TASK_UNDELIVERED;
1674 		ts->stat = SAS_OPEN_REJECT;
1675 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1676 		break;
1677 	case IO_XFER_ERROR_NAK_RECEIVED:
1678 		PM8001_IO_DBG(pm8001_ha,
1679 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1680 		ts->resp = SAS_TASK_COMPLETE;
1681 		ts->stat = SAS_OPEN_REJECT;
1682 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1683 		break;
1684 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1685 		PM8001_IO_DBG(pm8001_ha,
1686 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1687 		ts->resp = SAS_TASK_COMPLETE;
1688 		ts->stat = SAS_NAK_R_ERR;
1689 		break;
1690 	case IO_XFER_ERROR_DMA:
1691 		PM8001_IO_DBG(pm8001_ha,
1692 		pm8001_printk("IO_XFER_ERROR_DMA\n"));
1693 		ts->resp = SAS_TASK_COMPLETE;
1694 		ts->stat = SAS_OPEN_REJECT;
1695 		break;
1696 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1697 		PM8001_IO_DBG(pm8001_ha,
1698 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1699 		ts->resp = SAS_TASK_COMPLETE;
1700 		ts->stat = SAS_OPEN_REJECT;
1701 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1702 		break;
1703 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1704 		PM8001_IO_DBG(pm8001_ha,
1705 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1706 		ts->resp = SAS_TASK_COMPLETE;
1707 		ts->stat = SAS_OPEN_REJECT;
1708 		break;
1709 	case IO_PORT_IN_RESET:
1710 		PM8001_IO_DBG(pm8001_ha,
1711 			pm8001_printk("IO_PORT_IN_RESET\n"));
1712 		ts->resp = SAS_TASK_COMPLETE;
1713 		ts->stat = SAS_OPEN_REJECT;
1714 		break;
1715 	case IO_DS_NON_OPERATIONAL:
1716 		PM8001_IO_DBG(pm8001_ha,
1717 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1718 		ts->resp = SAS_TASK_COMPLETE;
1719 		ts->stat = SAS_OPEN_REJECT;
1720 		if (!t->uldd_task)
1721 			pm8001_handle_event(pm8001_ha,
1722 				pm8001_dev,
1723 				IO_DS_NON_OPERATIONAL);
1724 		break;
1725 	case IO_DS_IN_RECOVERY:
1726 		PM8001_IO_DBG(pm8001_ha,
1727 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
1728 		ts->resp = SAS_TASK_COMPLETE;
1729 		ts->stat = SAS_OPEN_REJECT;
1730 		break;
1731 	case IO_TM_TAG_NOT_FOUND:
1732 		PM8001_IO_DBG(pm8001_ha,
1733 			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1734 		ts->resp = SAS_TASK_COMPLETE;
1735 		ts->stat = SAS_OPEN_REJECT;
1736 		break;
1737 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1738 		PM8001_IO_DBG(pm8001_ha,
1739 			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1740 		ts->resp = SAS_TASK_COMPLETE;
1741 		ts->stat = SAS_OPEN_REJECT;
1742 		break;
1743 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1744 		PM8001_IO_DBG(pm8001_ha,
1745 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1746 		ts->resp = SAS_TASK_COMPLETE;
1747 		ts->stat = SAS_OPEN_REJECT;
1748 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1749 		break;
1750 	default:
1751 		PM8001_IO_DBG(pm8001_ha,
1752 			pm8001_printk("Unknown status 0x%x\n", status));
1753 		/* not allowed case. Therefore, return failed status */
1754 		ts->resp = SAS_TASK_COMPLETE;
1755 		ts->stat = SAS_OPEN_REJECT;
1756 		break;
1757 	}
1758 	PM8001_IO_DBG(pm8001_ha,
1759 		pm8001_printk("scsi_status = 0x%x\n ",
1760 		psspPayload->ssp_resp_iu.status));
1761 	spin_lock_irqsave(&t->task_state_lock, flags);
1762 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1763 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1764 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1765 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1766 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1767 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1768 			"task 0x%p done with io_status 0x%x resp 0x%x "
1769 			"stat 0x%x but aborted by upper layer!\n",
1770 			t, status, ts->resp, ts->stat));
1771 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1772 	} else {
1773 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1774 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1775 		mb();/* in order to force CPU ordering */
1776 		t->task_done(t);
1777 	}
1778 }
1779 
1780 /*See the comments for mpi_ssp_completion */
1781 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1782 {
1783 	struct sas_task *t;
1784 	unsigned long flags;
1785 	struct task_status_struct *ts;
1786 	struct pm8001_ccb_info *ccb;
1787 	struct pm8001_device *pm8001_dev;
1788 	struct ssp_event_resp *psspPayload =
1789 		(struct ssp_event_resp *)(piomb + 4);
1790 	u32 event = le32_to_cpu(psspPayload->event);
1791 	u32 tag = le32_to_cpu(psspPayload->tag);
1792 	u32 port_id = le32_to_cpu(psspPayload->port_id);
1793 
1794 	ccb = &pm8001_ha->ccb_info[tag];
1795 	t = ccb->task;
1796 	pm8001_dev = ccb->device;
1797 	if (event)
1798 		PM8001_FAIL_DBG(pm8001_ha,
1799 			pm8001_printk("sas IO status 0x%x\n", event));
1800 	if (unlikely(!t || !t->lldd_task || !t->dev))
1801 		return;
1802 	ts = &t->task_status;
1803 	PM8001_IO_DBG(pm8001_ha,
1804 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
1805 				port_id, tag, event));
1806 	switch (event) {
1807 	case IO_OVERFLOW:
1808 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1809 		ts->resp = SAS_TASK_COMPLETE;
1810 		ts->stat = SAS_DATA_OVERRUN;
1811 		ts->residual = 0;
1812 		if (pm8001_dev)
1813 			pm8001_dev->running_req--;
1814 		break;
1815 	case IO_XFER_ERROR_BREAK:
1816 		PM8001_IO_DBG(pm8001_ha,
1817 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1818 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1819 		return;
1820 	case IO_XFER_ERROR_PHY_NOT_READY:
1821 		PM8001_IO_DBG(pm8001_ha,
1822 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1823 		ts->resp = SAS_TASK_COMPLETE;
1824 		ts->stat = SAS_OPEN_REJECT;
1825 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1826 		break;
1827 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1828 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1829 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1830 		ts->resp = SAS_TASK_COMPLETE;
1831 		ts->stat = SAS_OPEN_REJECT;
1832 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1833 		break;
1834 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1835 		PM8001_IO_DBG(pm8001_ha,
1836 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1837 		ts->resp = SAS_TASK_COMPLETE;
1838 		ts->stat = SAS_OPEN_REJECT;
1839 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1840 		break;
1841 	case IO_OPEN_CNX_ERROR_BREAK:
1842 		PM8001_IO_DBG(pm8001_ha,
1843 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1844 		ts->resp = SAS_TASK_COMPLETE;
1845 		ts->stat = SAS_OPEN_REJECT;
1846 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1847 		break;
1848 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1849 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1850 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1851 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1852 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1853 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1854 		PM8001_IO_DBG(pm8001_ha,
1855 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1856 		ts->resp = SAS_TASK_COMPLETE;
1857 		ts->stat = SAS_OPEN_REJECT;
1858 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1859 		if (!t->uldd_task)
1860 			pm8001_handle_event(pm8001_ha,
1861 				pm8001_dev,
1862 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1863 		break;
1864 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1865 		PM8001_IO_DBG(pm8001_ha,
1866 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1867 		ts->resp = SAS_TASK_COMPLETE;
1868 		ts->stat = SAS_OPEN_REJECT;
1869 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1870 		break;
1871 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1872 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1873 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1874 		ts->resp = SAS_TASK_COMPLETE;
1875 		ts->stat = SAS_OPEN_REJECT;
1876 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1877 		break;
1878 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1879 		PM8001_IO_DBG(pm8001_ha,
1880 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1881 		ts->resp = SAS_TASK_COMPLETE;
1882 		ts->stat = SAS_OPEN_REJECT;
1883 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1884 		break;
1885 	case IO_XFER_ERROR_NAK_RECEIVED:
1886 		PM8001_IO_DBG(pm8001_ha,
1887 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1888 		ts->resp = SAS_TASK_COMPLETE;
1889 		ts->stat = SAS_OPEN_REJECT;
1890 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1891 		break;
1892 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1893 		PM8001_IO_DBG(pm8001_ha,
1894 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1895 		ts->resp = SAS_TASK_COMPLETE;
1896 		ts->stat = SAS_NAK_R_ERR;
1897 		break;
1898 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1899 		PM8001_IO_DBG(pm8001_ha,
1900 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1901 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
1902 		return;
1903 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
1904 		PM8001_IO_DBG(pm8001_ha,
1905 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
1906 		ts->resp = SAS_TASK_COMPLETE;
1907 		ts->stat = SAS_DATA_OVERRUN;
1908 		break;
1909 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
1910 		PM8001_IO_DBG(pm8001_ha,
1911 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
1912 		ts->resp = SAS_TASK_COMPLETE;
1913 		ts->stat = SAS_DATA_OVERRUN;
1914 		break;
1915 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
1916 		PM8001_IO_DBG(pm8001_ha,
1917 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
1918 		ts->resp = SAS_TASK_COMPLETE;
1919 		ts->stat = SAS_DATA_OVERRUN;
1920 		break;
1921 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
1922 		PM8001_IO_DBG(pm8001_ha,
1923 		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
1924 		ts->resp = SAS_TASK_COMPLETE;
1925 		ts->stat = SAS_DATA_OVERRUN;
1926 		break;
1927 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1928 		PM8001_IO_DBG(pm8001_ha,
1929 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1930 		ts->resp = SAS_TASK_COMPLETE;
1931 		ts->stat = SAS_DATA_OVERRUN;
1932 		break;
1933 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
1934 		PM8001_IO_DBG(pm8001_ha,
1935 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
1936 		ts->resp = SAS_TASK_COMPLETE;
1937 		ts->stat = SAS_DATA_OVERRUN;
1938 		break;
1939 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
1940 		PM8001_IO_DBG(pm8001_ha,
1941 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
1942 		/* TBC: used default set values */
1943 		ts->resp = SAS_TASK_COMPLETE;
1944 		ts->stat = SAS_DATA_OVERRUN;
1945 		break;
1946 	case IO_XFER_CMD_FRAME_ISSUED:
1947 		PM8001_IO_DBG(pm8001_ha,
1948 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
1949 		return;
1950 	default:
1951 		PM8001_IO_DBG(pm8001_ha,
1952 			pm8001_printk("Unknown status 0x%x\n", event));
1953 		/* not allowed case. Therefore, return failed status */
1954 		ts->resp = SAS_TASK_COMPLETE;
1955 		ts->stat = SAS_DATA_OVERRUN;
1956 		break;
1957 	}
1958 	spin_lock_irqsave(&t->task_state_lock, flags);
1959 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1960 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1961 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1962 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1963 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1964 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1965 			"task 0x%p done with event 0x%x resp 0x%x "
1966 			"stat 0x%x but aborted by upper layer!\n",
1967 			t, event, ts->resp, ts->stat));
1968 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1969 	} else {
1970 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1971 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1972 		mb();/* in order to force CPU ordering */
1973 		t->task_done(t);
1974 	}
1975 }
1976 
1977 /*See the comments for mpi_ssp_completion */
1978 static void
1979 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1980 {
1981 	struct sas_task *t;
1982 	struct pm8001_ccb_info *ccb;
1983 	u32 param;
1984 	u32 status;
1985 	u32 tag;
1986 	int i, j;
1987 	u8 sata_addr_low[4];
1988 	u32 temp_sata_addr_low, temp_sata_addr_hi;
1989 	u8 sata_addr_hi[4];
1990 	struct sata_completion_resp *psataPayload;
1991 	struct task_status_struct *ts;
1992 	struct ata_task_resp *resp ;
1993 	u32 *sata_resp;
1994 	struct pm8001_device *pm8001_dev;
1995 	unsigned long flags;
1996 
1997 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
1998 	status = le32_to_cpu(psataPayload->status);
1999 	tag = le32_to_cpu(psataPayload->tag);
2000 
2001 	if (!tag) {
2002 		PM8001_FAIL_DBG(pm8001_ha,
2003 			pm8001_printk("tag null\n"));
2004 		return;
2005 	}
2006 	ccb = &pm8001_ha->ccb_info[tag];
2007 	param = le32_to_cpu(psataPayload->param);
2008 	if (ccb) {
2009 		t = ccb->task;
2010 		pm8001_dev = ccb->device;
2011 	} else {
2012 		PM8001_FAIL_DBG(pm8001_ha,
2013 			pm8001_printk("ccb null\n"));
2014 		return;
2015 	}
2016 
2017 	if (t) {
2018 		if (t->dev && (t->dev->lldd_dev))
2019 			pm8001_dev = t->dev->lldd_dev;
2020 	} else {
2021 		PM8001_FAIL_DBG(pm8001_ha,
2022 			pm8001_printk("task null\n"));
2023 		return;
2024 	}
2025 
2026 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2027 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2028 		PM8001_FAIL_DBG(pm8001_ha,
2029 			pm8001_printk("task or dev null\n"));
2030 		return;
2031 	}
2032 
2033 	ts = &t->task_status;
2034 	if (!ts) {
2035 		PM8001_FAIL_DBG(pm8001_ha,
2036 			pm8001_printk("ts null\n"));
2037 		return;
2038 	}
2039 	/* Print sas address of IO failed device */
2040 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2041 		(status != IO_UNDERFLOW)) {
2042 		if (!((t->dev->parent) &&
2043 			(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
2044 			for (i = 0 , j = 4; i <= 3 && j <= 7; i++ , j++)
2045 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2046 			for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
2047 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2048 			memcpy(&temp_sata_addr_low, sata_addr_low,
2049 				sizeof(sata_addr_low));
2050 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2051 				sizeof(sata_addr_hi));
2052 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2053 						|((temp_sata_addr_hi << 8) &
2054 						0xff0000) |
2055 						((temp_sata_addr_hi >> 8)
2056 						& 0xff00) |
2057 						((temp_sata_addr_hi << 24) &
2058 						0xff000000));
2059 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2060 						& 0xff) |
2061 						((temp_sata_addr_low << 8)
2062 						& 0xff0000) |
2063 						((temp_sata_addr_low >> 8)
2064 						& 0xff00) |
2065 						((temp_sata_addr_low << 24)
2066 						& 0xff000000)) +
2067 						pm8001_dev->attached_phy +
2068 						0x10);
2069 			PM8001_FAIL_DBG(pm8001_ha,
2070 				pm8001_printk("SAS Address of IO Failure Drive:"
2071 				"%08x%08x", temp_sata_addr_hi,
2072 					temp_sata_addr_low));
2073 
2074 		} else {
2075 			PM8001_FAIL_DBG(pm8001_ha,
2076 				pm8001_printk("SAS Address of IO Failure Drive:"
2077 				"%016llx", SAS_ADDR(t->dev->sas_addr)));
2078 		}
2079 	}
2080 	switch (status) {
2081 	case IO_SUCCESS:
2082 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2083 		if (param == 0) {
2084 			ts->resp = SAS_TASK_COMPLETE;
2085 			ts->stat = SAM_STAT_GOOD;
2086 			/* check if response is for SEND READ LOG */
2087 			if (pm8001_dev &&
2088 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2089 				/* set new bit for abort_all */
2090 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2091 				/* clear bit for read log */
2092 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2093 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2094 				/* Free the tag */
2095 				pm8001_tag_free(pm8001_ha, tag);
2096 				sas_free_task(t);
2097 				return;
2098 			}
2099 		} else {
2100 			u8 len;
2101 			ts->resp = SAS_TASK_COMPLETE;
2102 			ts->stat = SAS_PROTO_RESPONSE;
2103 			ts->residual = param;
2104 			PM8001_IO_DBG(pm8001_ha,
2105 				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2106 				param));
2107 			sata_resp = &psataPayload->sata_resp[0];
2108 			resp = (struct ata_task_resp *)ts->buf;
2109 			if (t->ata_task.dma_xfer == 0 &&
2110 			t->data_dir == PCI_DMA_FROMDEVICE) {
2111 				len = sizeof(struct pio_setup_fis);
2112 				PM8001_IO_DBG(pm8001_ha,
2113 				pm8001_printk("PIO read len = %d\n", len));
2114 			} else if (t->ata_task.use_ncq) {
2115 				len = sizeof(struct set_dev_bits_fis);
2116 				PM8001_IO_DBG(pm8001_ha,
2117 					pm8001_printk("FPDMA len = %d\n", len));
2118 			} else {
2119 				len = sizeof(struct dev_to_host_fis);
2120 				PM8001_IO_DBG(pm8001_ha,
2121 				pm8001_printk("other len = %d\n", len));
2122 			}
2123 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2124 				resp->frame_len = len;
2125 				memcpy(&resp->ending_fis[0], sata_resp, len);
2126 				ts->buf_valid_size = sizeof(*resp);
2127 			} else
2128 				PM8001_IO_DBG(pm8001_ha,
2129 					pm8001_printk("response to large\n"));
2130 		}
2131 		if (pm8001_dev)
2132 			pm8001_dev->running_req--;
2133 		break;
2134 	case IO_ABORTED:
2135 		PM8001_IO_DBG(pm8001_ha,
2136 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
2137 		ts->resp = SAS_TASK_COMPLETE;
2138 		ts->stat = SAS_ABORTED_TASK;
2139 		if (pm8001_dev)
2140 			pm8001_dev->running_req--;
2141 		break;
2142 		/* following cases are to do cases */
2143 	case IO_UNDERFLOW:
2144 		/* SATA Completion with error */
2145 		PM8001_IO_DBG(pm8001_ha,
2146 			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2147 		ts->resp = SAS_TASK_COMPLETE;
2148 		ts->stat = SAS_DATA_UNDERRUN;
2149 		ts->residual = param;
2150 		if (pm8001_dev)
2151 			pm8001_dev->running_req--;
2152 		break;
2153 	case IO_NO_DEVICE:
2154 		PM8001_IO_DBG(pm8001_ha,
2155 			pm8001_printk("IO_NO_DEVICE\n"));
2156 		ts->resp = SAS_TASK_UNDELIVERED;
2157 		ts->stat = SAS_PHY_DOWN;
2158 		break;
2159 	case IO_XFER_ERROR_BREAK:
2160 		PM8001_IO_DBG(pm8001_ha,
2161 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2162 		ts->resp = SAS_TASK_COMPLETE;
2163 		ts->stat = SAS_INTERRUPTED;
2164 		break;
2165 	case IO_XFER_ERROR_PHY_NOT_READY:
2166 		PM8001_IO_DBG(pm8001_ha,
2167 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2168 		ts->resp = SAS_TASK_COMPLETE;
2169 		ts->stat = SAS_OPEN_REJECT;
2170 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2171 		break;
2172 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2173 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2174 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2175 		ts->resp = SAS_TASK_COMPLETE;
2176 		ts->stat = SAS_OPEN_REJECT;
2177 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2178 		break;
2179 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2180 		PM8001_IO_DBG(pm8001_ha,
2181 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2182 		ts->resp = SAS_TASK_COMPLETE;
2183 		ts->stat = SAS_OPEN_REJECT;
2184 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2185 		break;
2186 	case IO_OPEN_CNX_ERROR_BREAK:
2187 		PM8001_IO_DBG(pm8001_ha,
2188 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2189 		ts->resp = SAS_TASK_COMPLETE;
2190 		ts->stat = SAS_OPEN_REJECT;
2191 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2192 		break;
2193 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2194 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2195 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2196 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2197 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2198 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2199 		PM8001_IO_DBG(pm8001_ha,
2200 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2201 		ts->resp = SAS_TASK_COMPLETE;
2202 		ts->stat = SAS_DEV_NO_RESPONSE;
2203 		if (!t->uldd_task) {
2204 			pm8001_handle_event(pm8001_ha,
2205 				pm8001_dev,
2206 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2207 			ts->resp = SAS_TASK_UNDELIVERED;
2208 			ts->stat = SAS_QUEUE_FULL;
2209 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2210 			return;
2211 		}
2212 		break;
2213 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2214 		PM8001_IO_DBG(pm8001_ha,
2215 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2216 		ts->resp = SAS_TASK_UNDELIVERED;
2217 		ts->stat = SAS_OPEN_REJECT;
2218 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
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_CONNECTION_RATE_NOT_SUPPORTED:
2230 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2231 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2232 		ts->resp = SAS_TASK_COMPLETE;
2233 		ts->stat = SAS_OPEN_REJECT;
2234 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2235 		break;
2236 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2237 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2238 			"IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n"));
2239 		ts->resp = SAS_TASK_COMPLETE;
2240 		ts->stat = SAS_DEV_NO_RESPONSE;
2241 		if (!t->uldd_task) {
2242 			pm8001_handle_event(pm8001_ha,
2243 				pm8001_dev,
2244 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2245 			ts->resp = SAS_TASK_UNDELIVERED;
2246 			ts->stat = SAS_QUEUE_FULL;
2247 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2248 			return;
2249 		}
2250 		break;
2251 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2252 		PM8001_IO_DBG(pm8001_ha,
2253 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2254 		ts->resp = SAS_TASK_COMPLETE;
2255 		ts->stat = SAS_OPEN_REJECT;
2256 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2257 		break;
2258 	case IO_XFER_ERROR_NAK_RECEIVED:
2259 		PM8001_IO_DBG(pm8001_ha,
2260 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2261 		ts->resp = SAS_TASK_COMPLETE;
2262 		ts->stat = SAS_NAK_R_ERR;
2263 		break;
2264 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2265 		PM8001_IO_DBG(pm8001_ha,
2266 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2267 		ts->resp = SAS_TASK_COMPLETE;
2268 		ts->stat = SAS_NAK_R_ERR;
2269 		break;
2270 	case IO_XFER_ERROR_DMA:
2271 		PM8001_IO_DBG(pm8001_ha,
2272 			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2273 		ts->resp = SAS_TASK_COMPLETE;
2274 		ts->stat = SAS_ABORTED_TASK;
2275 		break;
2276 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2277 		PM8001_IO_DBG(pm8001_ha,
2278 			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2279 		ts->resp = SAS_TASK_UNDELIVERED;
2280 		ts->stat = SAS_DEV_NO_RESPONSE;
2281 		break;
2282 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2283 		PM8001_IO_DBG(pm8001_ha,
2284 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2285 		ts->resp = SAS_TASK_COMPLETE;
2286 		ts->stat = SAS_DATA_UNDERRUN;
2287 		break;
2288 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2289 		PM8001_IO_DBG(pm8001_ha,
2290 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2291 		ts->resp = SAS_TASK_COMPLETE;
2292 		ts->stat = SAS_OPEN_TO;
2293 		break;
2294 	case IO_PORT_IN_RESET:
2295 		PM8001_IO_DBG(pm8001_ha,
2296 			pm8001_printk("IO_PORT_IN_RESET\n"));
2297 		ts->resp = SAS_TASK_COMPLETE;
2298 		ts->stat = SAS_DEV_NO_RESPONSE;
2299 		break;
2300 	case IO_DS_NON_OPERATIONAL:
2301 		PM8001_IO_DBG(pm8001_ha,
2302 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2303 		ts->resp = SAS_TASK_COMPLETE;
2304 		ts->stat = SAS_DEV_NO_RESPONSE;
2305 		if (!t->uldd_task) {
2306 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2307 					IO_DS_NON_OPERATIONAL);
2308 			ts->resp = SAS_TASK_UNDELIVERED;
2309 			ts->stat = SAS_QUEUE_FULL;
2310 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2311 			return;
2312 		}
2313 		break;
2314 	case IO_DS_IN_RECOVERY:
2315 		PM8001_IO_DBG(pm8001_ha,
2316 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2317 		ts->resp = SAS_TASK_COMPLETE;
2318 		ts->stat = SAS_DEV_NO_RESPONSE;
2319 		break;
2320 	case IO_DS_IN_ERROR:
2321 		PM8001_IO_DBG(pm8001_ha,
2322 			pm8001_printk("IO_DS_IN_ERROR\n"));
2323 		ts->resp = SAS_TASK_COMPLETE;
2324 		ts->stat = SAS_DEV_NO_RESPONSE;
2325 		if (!t->uldd_task) {
2326 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2327 					IO_DS_IN_ERROR);
2328 			ts->resp = SAS_TASK_UNDELIVERED;
2329 			ts->stat = SAS_QUEUE_FULL;
2330 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2331 			return;
2332 		}
2333 		break;
2334 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2335 		PM8001_IO_DBG(pm8001_ha,
2336 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2337 		ts->resp = SAS_TASK_COMPLETE;
2338 		ts->stat = SAS_OPEN_REJECT;
2339 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2340 	default:
2341 		PM8001_IO_DBG(pm8001_ha,
2342 			pm8001_printk("Unknown status 0x%x\n", status));
2343 		/* not allowed case. Therefore, return failed status */
2344 		ts->resp = SAS_TASK_COMPLETE;
2345 		ts->stat = SAS_DEV_NO_RESPONSE;
2346 		break;
2347 	}
2348 	spin_lock_irqsave(&t->task_state_lock, flags);
2349 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2350 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2351 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2352 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2353 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2354 		PM8001_FAIL_DBG(pm8001_ha,
2355 			pm8001_printk("task 0x%p done with io_status 0x%x"
2356 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2357 			t, status, ts->resp, ts->stat));
2358 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2359 	} else {
2360 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2361 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2362 	}
2363 }
2364 
2365 /*See the comments for mpi_ssp_completion */
2366 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2367 {
2368 	struct sas_task *t;
2369 	struct task_status_struct *ts;
2370 	struct pm8001_ccb_info *ccb;
2371 	struct pm8001_device *pm8001_dev;
2372 	struct sata_event_resp *psataPayload =
2373 		(struct sata_event_resp *)(piomb + 4);
2374 	u32 event = le32_to_cpu(psataPayload->event);
2375 	u32 tag = le32_to_cpu(psataPayload->tag);
2376 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2377 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2378 	unsigned long flags;
2379 
2380 	ccb = &pm8001_ha->ccb_info[tag];
2381 
2382 	if (ccb) {
2383 		t = ccb->task;
2384 		pm8001_dev = ccb->device;
2385 	} else {
2386 		PM8001_FAIL_DBG(pm8001_ha,
2387 			pm8001_printk("No CCB !!!. returning\n"));
2388 		return;
2389 	}
2390 	if (event)
2391 		PM8001_FAIL_DBG(pm8001_ha,
2392 			pm8001_printk("SATA EVENT 0x%x\n", event));
2393 
2394 	/* Check if this is NCQ error */
2395 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2396 		/* find device using device id */
2397 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2398 		/* send read log extension */
2399 		if (pm8001_dev)
2400 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2401 		return;
2402 	}
2403 
2404 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2405 		PM8001_FAIL_DBG(pm8001_ha,
2406 			pm8001_printk("task or dev null\n"));
2407 		return;
2408 	}
2409 
2410 	ts = &t->task_status;
2411 	PM8001_IO_DBG(pm8001_ha,
2412 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
2413 				port_id, tag, event));
2414 	switch (event) {
2415 	case IO_OVERFLOW:
2416 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2417 		ts->resp = SAS_TASK_COMPLETE;
2418 		ts->stat = SAS_DATA_OVERRUN;
2419 		ts->residual = 0;
2420 		if (pm8001_dev)
2421 			pm8001_dev->running_req--;
2422 		break;
2423 	case IO_XFER_ERROR_BREAK:
2424 		PM8001_IO_DBG(pm8001_ha,
2425 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2426 		ts->resp = SAS_TASK_COMPLETE;
2427 		ts->stat = SAS_INTERRUPTED;
2428 		break;
2429 	case IO_XFER_ERROR_PHY_NOT_READY:
2430 		PM8001_IO_DBG(pm8001_ha,
2431 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2432 		ts->resp = SAS_TASK_COMPLETE;
2433 		ts->stat = SAS_OPEN_REJECT;
2434 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2435 		break;
2436 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2437 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2438 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2439 		ts->resp = SAS_TASK_COMPLETE;
2440 		ts->stat = SAS_OPEN_REJECT;
2441 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2442 		break;
2443 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2444 		PM8001_IO_DBG(pm8001_ha,
2445 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2446 		ts->resp = SAS_TASK_COMPLETE;
2447 		ts->stat = SAS_OPEN_REJECT;
2448 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2449 		break;
2450 	case IO_OPEN_CNX_ERROR_BREAK:
2451 		PM8001_IO_DBG(pm8001_ha,
2452 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2453 		ts->resp = SAS_TASK_COMPLETE;
2454 		ts->stat = SAS_OPEN_REJECT;
2455 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2456 		break;
2457 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2458 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2459 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2460 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2461 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2462 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2463 		PM8001_FAIL_DBG(pm8001_ha,
2464 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2465 		ts->resp = SAS_TASK_UNDELIVERED;
2466 		ts->stat = SAS_DEV_NO_RESPONSE;
2467 		if (!t->uldd_task) {
2468 			pm8001_handle_event(pm8001_ha,
2469 				pm8001_dev,
2470 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2471 			ts->resp = SAS_TASK_COMPLETE;
2472 			ts->stat = SAS_QUEUE_FULL;
2473 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2474 			return;
2475 		}
2476 		break;
2477 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2478 		PM8001_IO_DBG(pm8001_ha,
2479 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2480 		ts->resp = SAS_TASK_UNDELIVERED;
2481 		ts->stat = SAS_OPEN_REJECT;
2482 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2483 		break;
2484 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2485 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2486 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2487 		ts->resp = SAS_TASK_COMPLETE;
2488 		ts->stat = SAS_OPEN_REJECT;
2489 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2490 		break;
2491 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2492 		PM8001_IO_DBG(pm8001_ha,
2493 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2494 		ts->resp = SAS_TASK_COMPLETE;
2495 		ts->stat = SAS_OPEN_REJECT;
2496 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2497 		break;
2498 	case IO_XFER_ERROR_NAK_RECEIVED:
2499 		PM8001_IO_DBG(pm8001_ha,
2500 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2501 		ts->resp = SAS_TASK_COMPLETE;
2502 		ts->stat = SAS_NAK_R_ERR;
2503 		break;
2504 	case IO_XFER_ERROR_PEER_ABORTED:
2505 		PM8001_IO_DBG(pm8001_ha,
2506 			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2507 		ts->resp = SAS_TASK_COMPLETE;
2508 		ts->stat = SAS_NAK_R_ERR;
2509 		break;
2510 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2511 		PM8001_IO_DBG(pm8001_ha,
2512 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2513 		ts->resp = SAS_TASK_COMPLETE;
2514 		ts->stat = SAS_DATA_UNDERRUN;
2515 		break;
2516 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2517 		PM8001_IO_DBG(pm8001_ha,
2518 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2519 		ts->resp = SAS_TASK_COMPLETE;
2520 		ts->stat = SAS_OPEN_TO;
2521 		break;
2522 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2523 		PM8001_IO_DBG(pm8001_ha,
2524 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2525 		ts->resp = SAS_TASK_COMPLETE;
2526 		ts->stat = SAS_OPEN_TO;
2527 		break;
2528 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2529 		PM8001_IO_DBG(pm8001_ha,
2530 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2531 		ts->resp = SAS_TASK_COMPLETE;
2532 		ts->stat = SAS_OPEN_TO;
2533 		break;
2534 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2535 		PM8001_IO_DBG(pm8001_ha,
2536 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2537 		ts->resp = SAS_TASK_COMPLETE;
2538 		ts->stat = SAS_OPEN_TO;
2539 		break;
2540 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2541 		PM8001_IO_DBG(pm8001_ha,
2542 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2543 		ts->resp = SAS_TASK_COMPLETE;
2544 		ts->stat = SAS_OPEN_TO;
2545 		break;
2546 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2547 		PM8001_IO_DBG(pm8001_ha,
2548 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2549 		ts->resp = SAS_TASK_COMPLETE;
2550 		ts->stat = SAS_OPEN_TO;
2551 		break;
2552 	case IO_XFER_CMD_FRAME_ISSUED:
2553 		PM8001_IO_DBG(pm8001_ha,
2554 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2555 		break;
2556 	case IO_XFER_PIO_SETUP_ERROR:
2557 		PM8001_IO_DBG(pm8001_ha,
2558 			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2559 		ts->resp = SAS_TASK_COMPLETE;
2560 		ts->stat = SAS_OPEN_TO;
2561 		break;
2562 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2563 		PM8001_FAIL_DBG(pm8001_ha,
2564 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
2565 		/* TBC: used default set values */
2566 		ts->resp = SAS_TASK_COMPLETE;
2567 		ts->stat = SAS_OPEN_TO;
2568 		break;
2569 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2570 		PM8001_FAIL_DBG(pm8001_ha,
2571 			pm8001_printk("IO_XFR_DMA_ACTIVATE_TIMEOUT\n"));
2572 		/* TBC: used default set values */
2573 		ts->resp = SAS_TASK_COMPLETE;
2574 		ts->stat = SAS_OPEN_TO;
2575 		break;
2576 	default:
2577 		PM8001_IO_DBG(pm8001_ha,
2578 			pm8001_printk("Unknown status 0x%x\n", event));
2579 		/* not allowed case. Therefore, return failed status */
2580 		ts->resp = SAS_TASK_COMPLETE;
2581 		ts->stat = SAS_OPEN_TO;
2582 		break;
2583 	}
2584 	spin_lock_irqsave(&t->task_state_lock, flags);
2585 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2586 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2587 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2588 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2589 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2590 		PM8001_FAIL_DBG(pm8001_ha,
2591 			pm8001_printk("task 0x%p done with io_status 0x%x"
2592 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2593 			t, event, ts->resp, ts->stat));
2594 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2595 	} else {
2596 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2597 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2598 	}
2599 }
2600 
2601 /*See the comments for mpi_ssp_completion */
2602 static void
2603 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2604 {
2605 	u32 param, i;
2606 	struct sas_task *t;
2607 	struct pm8001_ccb_info *ccb;
2608 	unsigned long flags;
2609 	u32 status;
2610 	u32 tag;
2611 	struct smp_completion_resp *psmpPayload;
2612 	struct task_status_struct *ts;
2613 	struct pm8001_device *pm8001_dev;
2614 	char *pdma_respaddr = NULL;
2615 
2616 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2617 	status = le32_to_cpu(psmpPayload->status);
2618 	tag = le32_to_cpu(psmpPayload->tag);
2619 
2620 	ccb = &pm8001_ha->ccb_info[tag];
2621 	param = le32_to_cpu(psmpPayload->param);
2622 	t = ccb->task;
2623 	ts = &t->task_status;
2624 	pm8001_dev = ccb->device;
2625 	if (status)
2626 		PM8001_FAIL_DBG(pm8001_ha,
2627 			pm8001_printk("smp IO status 0x%x\n", status));
2628 	if (unlikely(!t || !t->lldd_task || !t->dev))
2629 		return;
2630 
2631 	switch (status) {
2632 
2633 	case IO_SUCCESS:
2634 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2635 		ts->resp = SAS_TASK_COMPLETE;
2636 		ts->stat = SAM_STAT_GOOD;
2637 		if (pm8001_dev)
2638 			pm8001_dev->running_req--;
2639 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
2640 			PM8001_IO_DBG(pm8001_ha,
2641 				pm8001_printk("DIRECT RESPONSE Length:%d\n",
2642 						param));
2643 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
2644 						((u64)sg_dma_address
2645 						(&t->smp_task.smp_resp))));
2646 			for (i = 0; i < param; i++) {
2647 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
2648 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2649 					"SMP Byte%d DMA data 0x%x psmp 0x%x\n",
2650 					i, *(pdma_respaddr+i),
2651 					psmpPayload->_r_a[i]));
2652 			}
2653 		}
2654 		break;
2655 	case IO_ABORTED:
2656 		PM8001_IO_DBG(pm8001_ha,
2657 			pm8001_printk("IO_ABORTED IOMB\n"));
2658 		ts->resp = SAS_TASK_COMPLETE;
2659 		ts->stat = SAS_ABORTED_TASK;
2660 		if (pm8001_dev)
2661 			pm8001_dev->running_req--;
2662 		break;
2663 	case IO_OVERFLOW:
2664 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2665 		ts->resp = SAS_TASK_COMPLETE;
2666 		ts->stat = SAS_DATA_OVERRUN;
2667 		ts->residual = 0;
2668 		if (pm8001_dev)
2669 			pm8001_dev->running_req--;
2670 		break;
2671 	case IO_NO_DEVICE:
2672 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2673 		ts->resp = SAS_TASK_COMPLETE;
2674 		ts->stat = SAS_PHY_DOWN;
2675 		break;
2676 	case IO_ERROR_HW_TIMEOUT:
2677 		PM8001_IO_DBG(pm8001_ha,
2678 			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2679 		ts->resp = SAS_TASK_COMPLETE;
2680 		ts->stat = SAM_STAT_BUSY;
2681 		break;
2682 	case IO_XFER_ERROR_BREAK:
2683 		PM8001_IO_DBG(pm8001_ha,
2684 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2685 		ts->resp = SAS_TASK_COMPLETE;
2686 		ts->stat = SAM_STAT_BUSY;
2687 		break;
2688 	case IO_XFER_ERROR_PHY_NOT_READY:
2689 		PM8001_IO_DBG(pm8001_ha,
2690 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2691 		ts->resp = SAS_TASK_COMPLETE;
2692 		ts->stat = SAM_STAT_BUSY;
2693 		break;
2694 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2695 		PM8001_IO_DBG(pm8001_ha,
2696 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2697 		ts->resp = SAS_TASK_COMPLETE;
2698 		ts->stat = SAS_OPEN_REJECT;
2699 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2700 		break;
2701 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2702 		PM8001_IO_DBG(pm8001_ha,
2703 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2704 		ts->resp = SAS_TASK_COMPLETE;
2705 		ts->stat = SAS_OPEN_REJECT;
2706 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2707 		break;
2708 	case IO_OPEN_CNX_ERROR_BREAK:
2709 		PM8001_IO_DBG(pm8001_ha,
2710 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2711 		ts->resp = SAS_TASK_COMPLETE;
2712 		ts->stat = SAS_OPEN_REJECT;
2713 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2714 		break;
2715 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2716 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2717 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2718 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2719 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2720 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2721 		PM8001_IO_DBG(pm8001_ha,
2722 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2723 		ts->resp = SAS_TASK_COMPLETE;
2724 		ts->stat = SAS_OPEN_REJECT;
2725 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2726 		pm8001_handle_event(pm8001_ha,
2727 				pm8001_dev,
2728 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2729 		break;
2730 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2731 		PM8001_IO_DBG(pm8001_ha,
2732 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2733 		ts->resp = SAS_TASK_COMPLETE;
2734 		ts->stat = SAS_OPEN_REJECT;
2735 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2736 		break;
2737 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2738 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(\
2739 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2740 		ts->resp = SAS_TASK_COMPLETE;
2741 		ts->stat = SAS_OPEN_REJECT;
2742 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2743 		break;
2744 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2745 		PM8001_IO_DBG(pm8001_ha,
2746 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2747 		ts->resp = SAS_TASK_COMPLETE;
2748 		ts->stat = SAS_OPEN_REJECT;
2749 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2750 		break;
2751 	case IO_XFER_ERROR_RX_FRAME:
2752 		PM8001_IO_DBG(pm8001_ha,
2753 			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2754 		ts->resp = SAS_TASK_COMPLETE;
2755 		ts->stat = SAS_DEV_NO_RESPONSE;
2756 		break;
2757 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2758 		PM8001_IO_DBG(pm8001_ha,
2759 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2760 		ts->resp = SAS_TASK_COMPLETE;
2761 		ts->stat = SAS_OPEN_REJECT;
2762 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2763 		break;
2764 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
2765 		PM8001_IO_DBG(pm8001_ha,
2766 			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2767 		ts->resp = SAS_TASK_COMPLETE;
2768 		ts->stat = SAS_QUEUE_FULL;
2769 		break;
2770 	case IO_PORT_IN_RESET:
2771 		PM8001_IO_DBG(pm8001_ha,
2772 			pm8001_printk("IO_PORT_IN_RESET\n"));
2773 		ts->resp = SAS_TASK_COMPLETE;
2774 		ts->stat = SAS_OPEN_REJECT;
2775 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2776 		break;
2777 	case IO_DS_NON_OPERATIONAL:
2778 		PM8001_IO_DBG(pm8001_ha,
2779 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2780 		ts->resp = SAS_TASK_COMPLETE;
2781 		ts->stat = SAS_DEV_NO_RESPONSE;
2782 		break;
2783 	case IO_DS_IN_RECOVERY:
2784 		PM8001_IO_DBG(pm8001_ha,
2785 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2786 		ts->resp = SAS_TASK_COMPLETE;
2787 		ts->stat = SAS_OPEN_REJECT;
2788 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2789 		break;
2790 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2791 		PM8001_IO_DBG(pm8001_ha,
2792 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2793 		ts->resp = SAS_TASK_COMPLETE;
2794 		ts->stat = SAS_OPEN_REJECT;
2795 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2796 		break;
2797 	default:
2798 		PM8001_IO_DBG(pm8001_ha,
2799 			pm8001_printk("Unknown status 0x%x\n", status));
2800 		ts->resp = SAS_TASK_COMPLETE;
2801 		ts->stat = SAS_DEV_NO_RESPONSE;
2802 		/* not allowed case. Therefore, return failed status */
2803 		break;
2804 	}
2805 	spin_lock_irqsave(&t->task_state_lock, flags);
2806 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2807 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2808 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2809 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2810 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2811 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
2812 			"task 0x%p done with io_status 0x%x resp 0x%x"
2813 			"stat 0x%x but aborted by upper layer!\n",
2814 			t, status, ts->resp, ts->stat));
2815 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2816 	} else {
2817 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2818 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2819 		mb();/* in order to force CPU ordering */
2820 		t->task_done(t);
2821 	}
2822 }
2823 
2824 /**
2825  * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
2826  * @pm8001_ha: our hba card information
2827  * @Qnum: the outbound queue message number.
2828  * @SEA: source of event to ack
2829  * @port_id: port id.
2830  * @phyId: phy id.
2831  * @param0: parameter 0.
2832  * @param1: parameter 1.
2833  */
2834 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
2835 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
2836 {
2837 	struct hw_event_ack_req	 payload;
2838 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
2839 
2840 	struct inbound_queue_table *circularQ;
2841 
2842 	memset((u8 *)&payload, 0, sizeof(payload));
2843 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
2844 	payload.tag = cpu_to_le32(1);
2845 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
2846 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
2847 	payload.param0 = cpu_to_le32(param0);
2848 	payload.param1 = cpu_to_le32(param1);
2849 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
2850 }
2851 
2852 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
2853 	u32 phyId, u32 phy_op);
2854 
2855 static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
2856 					void *piomb)
2857 {
2858 	struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
2859 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2860 	u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2861 	u32 lr_status_evt_portid =
2862 		le32_to_cpu(pPayload->lr_status_evt_portid);
2863 	u8 deviceType = pPayload->sas_identify.dev_type;
2864 	u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2865 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2866 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2867 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2868 
2869 	if (deviceType == SAS_END_DEVICE) {
2870 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2871 					PHY_NOTIFY_ENABLE_SPINUP);
2872 	}
2873 
2874 	port->wide_port_phymap |= (1U << phy_id);
2875 	pm8001_get_lrate_mode(phy, link_rate);
2876 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2877 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2878 	phy->phy_attached = 1;
2879 }
2880 
2881 /**
2882  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
2883  * @pm8001_ha: our hba card information
2884  * @piomb: IO message buffer
2885  */
2886 static void
2887 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2888 {
2889 	struct hw_event_resp *pPayload =
2890 		(struct hw_event_resp *)(piomb + 4);
2891 	u32 lr_status_evt_portid =
2892 		le32_to_cpu(pPayload->lr_status_evt_portid);
2893 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2894 
2895 	u8 link_rate =
2896 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2897 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2898 	u8 phy_id =
2899 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2900 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2901 
2902 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2903 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2904 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2905 	unsigned long flags;
2906 	u8 deviceType = pPayload->sas_identify.dev_type;
2907 	port->port_state = portstate;
2908 	port->wide_port_phymap |= (1U << phy_id);
2909 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2910 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2911 		"portid:%d; phyid:%d; linkrate:%d; "
2912 		"portstate:%x; devicetype:%x\n",
2913 		port_id, phy_id, link_rate, portstate, deviceType));
2914 
2915 	switch (deviceType) {
2916 	case SAS_PHY_UNUSED:
2917 		PM8001_MSG_DBG(pm8001_ha,
2918 			pm8001_printk("device type no device.\n"));
2919 		break;
2920 	case SAS_END_DEVICE:
2921 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
2922 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2923 			PHY_NOTIFY_ENABLE_SPINUP);
2924 		port->port_attached = 1;
2925 		pm8001_get_lrate_mode(phy, link_rate);
2926 		break;
2927 	case SAS_EDGE_EXPANDER_DEVICE:
2928 		PM8001_MSG_DBG(pm8001_ha,
2929 			pm8001_printk("expander device.\n"));
2930 		port->port_attached = 1;
2931 		pm8001_get_lrate_mode(phy, link_rate);
2932 		break;
2933 	case SAS_FANOUT_EXPANDER_DEVICE:
2934 		PM8001_MSG_DBG(pm8001_ha,
2935 			pm8001_printk("fanout expander device.\n"));
2936 		port->port_attached = 1;
2937 		pm8001_get_lrate_mode(phy, link_rate);
2938 		break;
2939 	default:
2940 		PM8001_MSG_DBG(pm8001_ha,
2941 			pm8001_printk("unknown device type(%x)\n", deviceType));
2942 		break;
2943 	}
2944 	phy->phy_type |= PORT_TYPE_SAS;
2945 	phy->identify.device_type = deviceType;
2946 	phy->phy_attached = 1;
2947 	if (phy->identify.device_type == SAS_END_DEVICE)
2948 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
2949 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
2950 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
2951 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2952 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2953 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2954 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
2955 		sizeof(struct sas_identify_frame)-4);
2956 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
2957 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2958 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2959 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
2960 		mdelay(200);/*delay a moment to wait disk to spinup*/
2961 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2962 }
2963 
2964 /**
2965  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
2966  * @pm8001_ha: our hba card information
2967  * @piomb: IO message buffer
2968  */
2969 static void
2970 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2971 {
2972 	struct hw_event_resp *pPayload =
2973 		(struct hw_event_resp *)(piomb + 4);
2974 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2975 	u32 lr_status_evt_portid =
2976 		le32_to_cpu(pPayload->lr_status_evt_portid);
2977 	u8 link_rate =
2978 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2979 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2980 	u8 phy_id =
2981 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2982 
2983 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2984 
2985 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2986 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2987 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2988 	unsigned long flags;
2989 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2990 		"port id %d, phy id %d link_rate %d portstate 0x%x\n",
2991 				port_id, phy_id, link_rate, portstate));
2992 
2993 	port->port_state = portstate;
2994 	phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2995 	port->port_attached = 1;
2996 	pm8001_get_lrate_mode(phy, link_rate);
2997 	phy->phy_type |= PORT_TYPE_SATA;
2998 	phy->phy_attached = 1;
2999 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3000 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3001 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3002 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3003 		sizeof(struct dev_to_host_fis));
3004 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3005 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3006 	phy->identify.device_type = SAS_SATA_DEV;
3007 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3008 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3009 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3010 }
3011 
3012 /**
3013  * hw_event_phy_down -we should notify the libsas the phy is down.
3014  * @pm8001_ha: our hba card information
3015  * @piomb: IO message buffer
3016  */
3017 static void
3018 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3019 {
3020 	struct hw_event_resp *pPayload =
3021 		(struct hw_event_resp *)(piomb + 4);
3022 
3023 	u32 lr_status_evt_portid =
3024 		le32_to_cpu(pPayload->lr_status_evt_portid);
3025 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3026 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3027 	u8 phy_id =
3028 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3029 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3030 
3031 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3032 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3033 	port->port_state = portstate;
3034 	phy->identify.device_type = 0;
3035 	phy->phy_attached = 0;
3036 	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3037 	switch (portstate) {
3038 	case PORT_VALID:
3039 		break;
3040 	case PORT_INVALID:
3041 		PM8001_MSG_DBG(pm8001_ha,
3042 			pm8001_printk(" PortInvalid portID %d\n", port_id));
3043 		PM8001_MSG_DBG(pm8001_ha,
3044 			pm8001_printk(" Last phy Down and port invalid\n"));
3045 		if (phy->phy_type & PORT_TYPE_SATA) {
3046 			phy->phy_type = 0;
3047 			port->port_attached = 0;
3048 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3049 					port_id, phy_id, 0, 0);
3050 		}
3051 		sas_phy_disconnected(&phy->sas_phy);
3052 		break;
3053 	case PORT_IN_RESET:
3054 		PM8001_MSG_DBG(pm8001_ha,
3055 			pm8001_printk(" Port In Reset portID %d\n", port_id));
3056 		break;
3057 	case PORT_NOT_ESTABLISHED:
3058 		PM8001_MSG_DBG(pm8001_ha,
3059 			pm8001_printk(" Phy Down and PORT_NOT_ESTABLISHED\n"));
3060 		port->port_attached = 0;
3061 		break;
3062 	case PORT_LOSTCOMM:
3063 		PM8001_MSG_DBG(pm8001_ha,
3064 			pm8001_printk(" Phy Down and PORT_LOSTCOMM\n"));
3065 		PM8001_MSG_DBG(pm8001_ha,
3066 			pm8001_printk(" Last phy Down and port invalid\n"));
3067 		if (phy->phy_type & PORT_TYPE_SATA) {
3068 			port->port_attached = 0;
3069 			phy->phy_type = 0;
3070 			pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3071 					port_id, phy_id, 0, 0);
3072 		}
3073 		sas_phy_disconnected(&phy->sas_phy);
3074 		break;
3075 	default:
3076 		port->port_attached = 0;
3077 		PM8001_MSG_DBG(pm8001_ha,
3078 			pm8001_printk(" Phy Down and(default) = 0x%x\n",
3079 			portstate));
3080 		break;
3081 
3082 	}
3083 }
3084 
3085 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3086 {
3087 	struct phy_start_resp *pPayload =
3088 		(struct phy_start_resp *)(piomb + 4);
3089 	u32 status =
3090 		le32_to_cpu(pPayload->status);
3091 	u32 phy_id =
3092 		le32_to_cpu(pPayload->phyid);
3093 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3094 
3095 	PM8001_INIT_DBG(pm8001_ha,
3096 		pm8001_printk("phy start resp status:0x%x, phyid:0x%x\n",
3097 				status, phy_id));
3098 	if (status == 0) {
3099 		phy->phy_state = 1;
3100 		if (pm8001_ha->flags == PM8001F_RUN_TIME)
3101 			complete(phy->enable_completion);
3102 	}
3103 	return 0;
3104 
3105 }
3106 
3107 /**
3108  * mpi_thermal_hw_event -The hw event has come.
3109  * @pm8001_ha: our hba card information
3110  * @piomb: IO message buffer
3111  */
3112 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3113 {
3114 	struct thermal_hw_event *pPayload =
3115 		(struct thermal_hw_event *)(piomb + 4);
3116 
3117 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3118 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3119 
3120 	if (thermal_event & 0x40) {
3121 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3122 			"Thermal Event: Local high temperature violated!\n"));
3123 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3124 			"Thermal Event: Measured local high temperature %d\n",
3125 				((rht_lht & 0xFF00) >> 8)));
3126 	}
3127 	if (thermal_event & 0x10) {
3128 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3129 			"Thermal Event: Remote high temperature violated!\n"));
3130 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3131 			"Thermal Event: Measured remote high temperature %d\n",
3132 				((rht_lht & 0xFF000000) >> 24)));
3133 	}
3134 	return 0;
3135 }
3136 
3137 /**
3138  * mpi_hw_event -The hw event has come.
3139  * @pm8001_ha: our hba card information
3140  * @piomb: IO message buffer
3141  */
3142 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3143 {
3144 	unsigned long flags, i;
3145 	struct hw_event_resp *pPayload =
3146 		(struct hw_event_resp *)(piomb + 4);
3147 	u32 lr_status_evt_portid =
3148 		le32_to_cpu(pPayload->lr_status_evt_portid);
3149 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3150 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3151 	u8 phy_id =
3152 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3153 	u16 eventType =
3154 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3155 	u8 status =
3156 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3157 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3158 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3159 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3160 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3161 	PM8001_MSG_DBG(pm8001_ha,
3162 		pm8001_printk("portid:%d phyid:%d event:0x%x status:0x%x\n",
3163 				port_id, phy_id, eventType, status));
3164 
3165 	switch (eventType) {
3166 
3167 	case HW_EVENT_SAS_PHY_UP:
3168 		PM8001_MSG_DBG(pm8001_ha,
3169 			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3170 		hw_event_sas_phy_up(pm8001_ha, piomb);
3171 		break;
3172 	case HW_EVENT_SATA_PHY_UP:
3173 		PM8001_MSG_DBG(pm8001_ha,
3174 			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3175 		hw_event_sata_phy_up(pm8001_ha, piomb);
3176 		break;
3177 	case HW_EVENT_SATA_SPINUP_HOLD:
3178 		PM8001_MSG_DBG(pm8001_ha,
3179 			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3180 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3181 		break;
3182 	case HW_EVENT_PHY_DOWN:
3183 		PM8001_MSG_DBG(pm8001_ha,
3184 			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3185 		if (phy->phy_type & PORT_TYPE_SATA)
3186 			sas_ha->notify_phy_event(&phy->sas_phy,
3187 				PHYE_LOSS_OF_SIGNAL);
3188 		phy->phy_attached = 0;
3189 		phy->phy_state = 0;
3190 		hw_event_phy_down(pm8001_ha, piomb);
3191 		break;
3192 	case HW_EVENT_PORT_INVALID:
3193 		PM8001_MSG_DBG(pm8001_ha,
3194 			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3195 		sas_phy_disconnected(sas_phy);
3196 		phy->phy_attached = 0;
3197 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3198 		break;
3199 	/* the broadcast change primitive received, tell the LIBSAS this event
3200 	to revalidate the sas domain*/
3201 	case HW_EVENT_BROADCAST_CHANGE:
3202 		PM8001_MSG_DBG(pm8001_ha,
3203 			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3204 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3205 			port_id, phy_id, 1, 0);
3206 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3207 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3208 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3209 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3210 		break;
3211 	case HW_EVENT_PHY_ERROR:
3212 		PM8001_MSG_DBG(pm8001_ha,
3213 			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3214 		sas_phy_disconnected(&phy->sas_phy);
3215 		phy->phy_attached = 0;
3216 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3217 		break;
3218 	case HW_EVENT_BROADCAST_EXP:
3219 		PM8001_MSG_DBG(pm8001_ha,
3220 			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3221 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3222 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3223 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3224 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3225 		break;
3226 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3227 		PM8001_MSG_DBG(pm8001_ha,
3228 			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3229 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3230 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3231 		break;
3232 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3233 		PM8001_MSG_DBG(pm8001_ha,
3234 			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3235 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3236 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3237 			port_id, phy_id, 0, 0);
3238 		break;
3239 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3240 		PM8001_MSG_DBG(pm8001_ha,
3241 			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3242 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3243 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3244 			port_id, phy_id, 0, 0);
3245 		break;
3246 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3247 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3248 				"HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3249 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3250 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3251 			port_id, phy_id, 0, 0);
3252 		break;
3253 	case HW_EVENT_MALFUNCTION:
3254 		PM8001_MSG_DBG(pm8001_ha,
3255 			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3256 		break;
3257 	case HW_EVENT_BROADCAST_SES:
3258 		PM8001_MSG_DBG(pm8001_ha,
3259 			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3260 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3261 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3262 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3263 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3264 		break;
3265 	case HW_EVENT_INBOUND_CRC_ERROR:
3266 		PM8001_MSG_DBG(pm8001_ha,
3267 			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3268 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3269 			HW_EVENT_INBOUND_CRC_ERROR,
3270 			port_id, phy_id, 0, 0);
3271 		break;
3272 	case HW_EVENT_HARD_RESET_RECEIVED:
3273 		PM8001_MSG_DBG(pm8001_ha,
3274 			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3275 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3276 		break;
3277 	case HW_EVENT_ID_FRAME_TIMEOUT:
3278 		PM8001_MSG_DBG(pm8001_ha,
3279 			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3280 		sas_phy_disconnected(sas_phy);
3281 		phy->phy_attached = 0;
3282 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3283 		break;
3284 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3285 		PM8001_MSG_DBG(pm8001_ha,
3286 			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3287 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3288 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3289 			port_id, phy_id, 0, 0);
3290 		sas_phy_disconnected(sas_phy);
3291 		phy->phy_attached = 0;
3292 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3293 		break;
3294 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3295 		PM8001_MSG_DBG(pm8001_ha,
3296 			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3297 		sas_phy_disconnected(sas_phy);
3298 		phy->phy_attached = 0;
3299 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3300 		break;
3301 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3302 		PM8001_MSG_DBG(pm8001_ha,
3303 			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3304 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
3305 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3306 			port_id, phy_id, 0, 0);
3307 		for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3308 			if (port->wide_port_phymap & (1 << i)) {
3309 				phy = &pm8001_ha->phy[i];
3310 				sas_ha->notify_phy_event(&phy->sas_phy,
3311 						PHYE_LOSS_OF_SIGNAL);
3312 				port->wide_port_phymap &= ~(1 << i);
3313 			}
3314 		}
3315 		break;
3316 	case HW_EVENT_PORT_RECOVER:
3317 		PM8001_MSG_DBG(pm8001_ha,
3318 			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3319 		hw_event_port_recover(pm8001_ha, piomb);
3320 		break;
3321 	case HW_EVENT_PORT_RESET_COMPLETE:
3322 		PM8001_MSG_DBG(pm8001_ha,
3323 			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3324 		break;
3325 	case EVENT_BROADCAST_ASYNCH_EVENT:
3326 		PM8001_MSG_DBG(pm8001_ha,
3327 			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3328 		break;
3329 	default:
3330 		PM8001_MSG_DBG(pm8001_ha,
3331 			pm8001_printk("Unknown event type 0x%x\n", eventType));
3332 		break;
3333 	}
3334 	return 0;
3335 }
3336 
3337 /**
3338  * mpi_phy_stop_resp - SPCv specific
3339  * @pm8001_ha: our hba card information
3340  * @piomb: IO message buffer
3341  */
3342 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3343 {
3344 	struct phy_stop_resp *pPayload =
3345 		(struct phy_stop_resp *)(piomb + 4);
3346 	u32 status =
3347 		le32_to_cpu(pPayload->status);
3348 	u32 phyid =
3349 		le32_to_cpu(pPayload->phyid);
3350 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3351 	PM8001_MSG_DBG(pm8001_ha,
3352 			pm8001_printk("phy:0x%x status:0x%x\n",
3353 					phyid, status));
3354 	if (status == 0)
3355 		phy->phy_state = 0;
3356 	return 0;
3357 }
3358 
3359 /**
3360  * mpi_set_controller_config_resp - SPCv specific
3361  * @pm8001_ha: our hba card information
3362  * @piomb: IO message buffer
3363  */
3364 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3365 			void *piomb)
3366 {
3367 	struct set_ctrl_cfg_resp *pPayload =
3368 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3369 	u32 status = le32_to_cpu(pPayload->status);
3370 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3371 
3372 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3373 			"SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3374 			status, err_qlfr_pgcd));
3375 
3376 	return 0;
3377 }
3378 
3379 /**
3380  * mpi_get_controller_config_resp - SPCv specific
3381  * @pm8001_ha: our hba card information
3382  * @piomb: IO message buffer
3383  */
3384 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3385 			void *piomb)
3386 {
3387 	PM8001_MSG_DBG(pm8001_ha,
3388 			pm8001_printk(" pm80xx_addition_functionality\n"));
3389 
3390 	return 0;
3391 }
3392 
3393 /**
3394  * mpi_get_phy_profile_resp - SPCv specific
3395  * @pm8001_ha: our hba card information
3396  * @piomb: IO message buffer
3397  */
3398 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3399 			void *piomb)
3400 {
3401 	PM8001_MSG_DBG(pm8001_ha,
3402 			pm8001_printk(" pm80xx_addition_functionality\n"));
3403 
3404 	return 0;
3405 }
3406 
3407 /**
3408  * mpi_flash_op_ext_resp - SPCv specific
3409  * @pm8001_ha: our hba card information
3410  * @piomb: IO message buffer
3411  */
3412 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3413 {
3414 	PM8001_MSG_DBG(pm8001_ha,
3415 			pm8001_printk(" pm80xx_addition_functionality\n"));
3416 
3417 	return 0;
3418 }
3419 
3420 /**
3421  * mpi_set_phy_profile_resp - SPCv specific
3422  * @pm8001_ha: our hba card information
3423  * @piomb: IO message buffer
3424  */
3425 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3426 			void *piomb)
3427 {
3428 	u8 page_code;
3429 	struct set_phy_profile_resp *pPayload =
3430 		(struct set_phy_profile_resp *)(piomb + 4);
3431 	u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3432 	u32 status = le32_to_cpu(pPayload->status);
3433 
3434 	page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3435 	if (status) {
3436 		/* status is FAILED */
3437 		PM8001_FAIL_DBG(pm8001_ha,
3438 			pm8001_printk("PhyProfile command failed  with status "
3439 			"0x%08X \n", status));
3440 		return -1;
3441 	} else {
3442 		if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3443 			PM8001_FAIL_DBG(pm8001_ha,
3444 				pm8001_printk("Invalid page code 0x%X\n",
3445 					page_code));
3446 			return -1;
3447 		}
3448 	}
3449 	return 0;
3450 }
3451 
3452 /**
3453  * mpi_kek_management_resp - SPCv specific
3454  * @pm8001_ha: our hba card information
3455  * @piomb: IO message buffer
3456  */
3457 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3458 			void *piomb)
3459 {
3460 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3461 
3462 	u32 status = le32_to_cpu(pPayload->status);
3463 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3464 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3465 
3466 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3467 		"KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3468 		status, kidx_new_curr_ksop, err_qlfr));
3469 
3470 	return 0;
3471 }
3472 
3473 /**
3474  * mpi_dek_management_resp - SPCv specific
3475  * @pm8001_ha: our hba card information
3476  * @piomb: IO message buffer
3477  */
3478 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3479 			void *piomb)
3480 {
3481 	PM8001_MSG_DBG(pm8001_ha,
3482 			pm8001_printk(" pm80xx_addition_functionality\n"));
3483 
3484 	return 0;
3485 }
3486 
3487 /**
3488  * ssp_coalesced_comp_resp - SPCv specific
3489  * @pm8001_ha: our hba card information
3490  * @piomb: IO message buffer
3491  */
3492 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3493 			void *piomb)
3494 {
3495 	PM8001_MSG_DBG(pm8001_ha,
3496 			pm8001_printk(" pm80xx_addition_functionality\n"));
3497 
3498 	return 0;
3499 }
3500 
3501 /**
3502  * process_one_iomb - process one outbound Queue memory block
3503  * @pm8001_ha: our hba card information
3504  * @piomb: IO message buffer
3505  */
3506 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3507 {
3508 	__le32 pHeader = *(__le32 *)piomb;
3509 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3510 
3511 	switch (opc) {
3512 	case OPC_OUB_ECHO:
3513 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3514 		break;
3515 	case OPC_OUB_HW_EVENT:
3516 		PM8001_MSG_DBG(pm8001_ha,
3517 			pm8001_printk("OPC_OUB_HW_EVENT\n"));
3518 		mpi_hw_event(pm8001_ha, piomb);
3519 		break;
3520 	case OPC_OUB_THERM_HW_EVENT:
3521 		PM8001_MSG_DBG(pm8001_ha,
3522 			pm8001_printk("OPC_OUB_THERMAL_EVENT\n"));
3523 		mpi_thermal_hw_event(pm8001_ha, piomb);
3524 		break;
3525 	case OPC_OUB_SSP_COMP:
3526 		PM8001_MSG_DBG(pm8001_ha,
3527 			pm8001_printk("OPC_OUB_SSP_COMP\n"));
3528 		mpi_ssp_completion(pm8001_ha, piomb);
3529 		break;
3530 	case OPC_OUB_SMP_COMP:
3531 		PM8001_MSG_DBG(pm8001_ha,
3532 			pm8001_printk("OPC_OUB_SMP_COMP\n"));
3533 		mpi_smp_completion(pm8001_ha, piomb);
3534 		break;
3535 	case OPC_OUB_LOCAL_PHY_CNTRL:
3536 		PM8001_MSG_DBG(pm8001_ha,
3537 			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3538 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3539 		break;
3540 	case OPC_OUB_DEV_REGIST:
3541 		PM8001_MSG_DBG(pm8001_ha,
3542 		pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3543 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3544 		break;
3545 	case OPC_OUB_DEREG_DEV:
3546 		PM8001_MSG_DBG(pm8001_ha,
3547 			pm8001_printk("unregister the device\n"));
3548 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3549 		break;
3550 	case OPC_OUB_GET_DEV_HANDLE:
3551 		PM8001_MSG_DBG(pm8001_ha,
3552 			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3553 		break;
3554 	case OPC_OUB_SATA_COMP:
3555 		PM8001_MSG_DBG(pm8001_ha,
3556 			pm8001_printk("OPC_OUB_SATA_COMP\n"));
3557 		mpi_sata_completion(pm8001_ha, piomb);
3558 		break;
3559 	case OPC_OUB_SATA_EVENT:
3560 		PM8001_MSG_DBG(pm8001_ha,
3561 			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3562 		mpi_sata_event(pm8001_ha, piomb);
3563 		break;
3564 	case OPC_OUB_SSP_EVENT:
3565 		PM8001_MSG_DBG(pm8001_ha,
3566 			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3567 		mpi_ssp_event(pm8001_ha, piomb);
3568 		break;
3569 	case OPC_OUB_DEV_HANDLE_ARRIV:
3570 		PM8001_MSG_DBG(pm8001_ha,
3571 			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3572 		/*This is for target*/
3573 		break;
3574 	case OPC_OUB_SSP_RECV_EVENT:
3575 		PM8001_MSG_DBG(pm8001_ha,
3576 			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3577 		/*This is for target*/
3578 		break;
3579 	case OPC_OUB_FW_FLASH_UPDATE:
3580 		PM8001_MSG_DBG(pm8001_ha,
3581 			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3582 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3583 		break;
3584 	case OPC_OUB_GPIO_RESPONSE:
3585 		PM8001_MSG_DBG(pm8001_ha,
3586 			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3587 		break;
3588 	case OPC_OUB_GPIO_EVENT:
3589 		PM8001_MSG_DBG(pm8001_ha,
3590 			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3591 		break;
3592 	case OPC_OUB_GENERAL_EVENT:
3593 		PM8001_MSG_DBG(pm8001_ha,
3594 			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3595 		pm8001_mpi_general_event(pm8001_ha, piomb);
3596 		break;
3597 	case OPC_OUB_SSP_ABORT_RSP:
3598 		PM8001_MSG_DBG(pm8001_ha,
3599 			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3600 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3601 		break;
3602 	case OPC_OUB_SATA_ABORT_RSP:
3603 		PM8001_MSG_DBG(pm8001_ha,
3604 			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3605 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3606 		break;
3607 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3608 		PM8001_MSG_DBG(pm8001_ha,
3609 			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3610 		break;
3611 	case OPC_OUB_SAS_DIAG_EXECUTE:
3612 		PM8001_MSG_DBG(pm8001_ha,
3613 			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3614 		break;
3615 	case OPC_OUB_GET_TIME_STAMP:
3616 		PM8001_MSG_DBG(pm8001_ha,
3617 			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3618 		break;
3619 	case OPC_OUB_SAS_HW_EVENT_ACK:
3620 		PM8001_MSG_DBG(pm8001_ha,
3621 			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3622 		break;
3623 	case OPC_OUB_PORT_CONTROL:
3624 		PM8001_MSG_DBG(pm8001_ha,
3625 			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3626 		break;
3627 	case OPC_OUB_SMP_ABORT_RSP:
3628 		PM8001_MSG_DBG(pm8001_ha,
3629 			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3630 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3631 		break;
3632 	case OPC_OUB_GET_NVMD_DATA:
3633 		PM8001_MSG_DBG(pm8001_ha,
3634 			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3635 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3636 		break;
3637 	case OPC_OUB_SET_NVMD_DATA:
3638 		PM8001_MSG_DBG(pm8001_ha,
3639 			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3640 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3641 		break;
3642 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3643 		PM8001_MSG_DBG(pm8001_ha,
3644 			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3645 		break;
3646 	case OPC_OUB_SET_DEVICE_STATE:
3647 		PM8001_MSG_DBG(pm8001_ha,
3648 			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3649 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3650 		break;
3651 	case OPC_OUB_GET_DEVICE_STATE:
3652 		PM8001_MSG_DBG(pm8001_ha,
3653 			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3654 		break;
3655 	case OPC_OUB_SET_DEV_INFO:
3656 		PM8001_MSG_DBG(pm8001_ha,
3657 			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3658 		break;
3659 	/* spcv specifc commands */
3660 	case OPC_OUB_PHY_START_RESP:
3661 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3662 			"OPC_OUB_PHY_START_RESP opcode:%x\n", opc));
3663 		mpi_phy_start_resp(pm8001_ha, piomb);
3664 		break;
3665 	case OPC_OUB_PHY_STOP_RESP:
3666 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3667 			"OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc));
3668 		mpi_phy_stop_resp(pm8001_ha, piomb);
3669 		break;
3670 	case OPC_OUB_SET_CONTROLLER_CONFIG:
3671 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3672 			"OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc));
3673 		mpi_set_controller_config_resp(pm8001_ha, piomb);
3674 		break;
3675 	case OPC_OUB_GET_CONTROLLER_CONFIG:
3676 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3677 			"OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc));
3678 		mpi_get_controller_config_resp(pm8001_ha, piomb);
3679 		break;
3680 	case OPC_OUB_GET_PHY_PROFILE:
3681 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3682 			"OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc));
3683 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
3684 		break;
3685 	case OPC_OUB_FLASH_OP_EXT:
3686 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3687 			"OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc));
3688 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
3689 		break;
3690 	case OPC_OUB_SET_PHY_PROFILE:
3691 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3692 			"OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc));
3693 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
3694 		break;
3695 	case OPC_OUB_KEK_MANAGEMENT_RESP:
3696 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3697 			"OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc));
3698 		mpi_kek_management_resp(pm8001_ha, piomb);
3699 		break;
3700 	case OPC_OUB_DEK_MANAGEMENT_RESP:
3701 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3702 			"OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc));
3703 		mpi_dek_management_resp(pm8001_ha, piomb);
3704 		break;
3705 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
3706 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3707 			"OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc));
3708 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
3709 		break;
3710 	default:
3711 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3712 			"Unknown outbound Queue IOMB OPC = 0x%x\n", opc));
3713 		break;
3714 	}
3715 }
3716 
3717 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3718 {
3719 	struct outbound_queue_table *circularQ;
3720 	void *pMsg1 = NULL;
3721 	u8 uninitialized_var(bc);
3722 	u32 ret = MPI_IO_STATUS_FAIL;
3723 	unsigned long flags;
3724 
3725 	spin_lock_irqsave(&pm8001_ha->lock, flags);
3726 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3727 	do {
3728 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3729 		if (MPI_IO_STATUS_SUCCESS == ret) {
3730 			/* process the outbound message */
3731 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3732 			/* free the message from the outbound circular buffer */
3733 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3734 							circularQ, bc);
3735 		}
3736 		if (MPI_IO_STATUS_BUSY == ret) {
3737 			/* Update the producer index from SPC */
3738 			circularQ->producer_index =
3739 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3740 			if (le32_to_cpu(circularQ->producer_index) ==
3741 				circularQ->consumer_idx)
3742 				/* OQ is empty */
3743 				break;
3744 		}
3745 	} while (1);
3746 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3747 	return ret;
3748 }
3749 
3750 /* PCI_DMA_... to our direction translation. */
3751 static const u8 data_dir_flags[] = {
3752 	[PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
3753 	[PCI_DMA_TODEVICE]	= DATA_DIR_OUT,/* OUTBOUND */
3754 	[PCI_DMA_FROMDEVICE]	= DATA_DIR_IN,/* INBOUND */
3755 	[PCI_DMA_NONE]		= DATA_DIR_NONE,/* NO TRANSFER */
3756 };
3757 
3758 static void build_smp_cmd(u32 deviceID, __le32 hTag,
3759 			struct smp_req *psmp_cmd, int mode, int length)
3760 {
3761 	psmp_cmd->tag = hTag;
3762 	psmp_cmd->device_id = cpu_to_le32(deviceID);
3763 	if (mode == SMP_DIRECT) {
3764 		length = length - 4; /* subtract crc */
3765 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
3766 	} else {
3767 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3768 	}
3769 }
3770 
3771 /**
3772  * pm8001_chip_smp_req - send a SMP task to FW
3773  * @pm8001_ha: our hba card information.
3774  * @ccb: the ccb information this request used.
3775  */
3776 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3777 	struct pm8001_ccb_info *ccb)
3778 {
3779 	int elem, rc;
3780 	struct sas_task *task = ccb->task;
3781 	struct domain_device *dev = task->dev;
3782 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3783 	struct scatterlist *sg_req, *sg_resp;
3784 	u32 req_len, resp_len;
3785 	struct smp_req smp_cmd;
3786 	u32 opc;
3787 	struct inbound_queue_table *circularQ;
3788 	char *preq_dma_addr = NULL;
3789 	__le64 tmp_addr;
3790 	u32 i, length;
3791 
3792 	memset(&smp_cmd, 0, sizeof(smp_cmd));
3793 	/*
3794 	 * DMA-map SMP request, response buffers
3795 	 */
3796 	sg_req = &task->smp_task.smp_req;
3797 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
3798 	if (!elem)
3799 		return -ENOMEM;
3800 	req_len = sg_dma_len(sg_req);
3801 
3802 	sg_resp = &task->smp_task.smp_resp;
3803 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
3804 	if (!elem) {
3805 		rc = -ENOMEM;
3806 		goto err_out;
3807 	}
3808 	resp_len = sg_dma_len(sg_resp);
3809 	/* must be in dwords */
3810 	if ((req_len & 0x3) || (resp_len & 0x3)) {
3811 		rc = -EINVAL;
3812 		goto err_out_2;
3813 	}
3814 
3815 	opc = OPC_INB_SMP_REQUEST;
3816 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3817 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3818 
3819 	length = sg_req->length;
3820 	PM8001_IO_DBG(pm8001_ha,
3821 		pm8001_printk("SMP Frame Length %d\n", sg_req->length));
3822 	if (!(length - 8))
3823 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
3824 	else
3825 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
3826 
3827 
3828 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3829 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
3830 
3831 	/* INDIRECT MODE command settings. Use DMA */
3832 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
3833 		PM8001_IO_DBG(pm8001_ha,
3834 			pm8001_printk("SMP REQUEST INDIRECT MODE\n"));
3835 		/* for SPCv indirect mode. Place the top 4 bytes of
3836 		 * SMP Request header here. */
3837 		for (i = 0; i < 4; i++)
3838 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
3839 		/* exclude top 4 bytes for SMP req header */
3840 		smp_cmd.long_smp_req.long_req_addr =
3841 			cpu_to_le64((u64)sg_dma_address
3842 				(&task->smp_task.smp_req) + 4);
3843 		/* exclude 4 bytes for SMP req header and CRC */
3844 		smp_cmd.long_smp_req.long_req_size =
3845 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
3846 		smp_cmd.long_smp_req.long_resp_addr =
3847 				cpu_to_le64((u64)sg_dma_address
3848 					(&task->smp_task.smp_resp));
3849 		smp_cmd.long_smp_req.long_resp_size =
3850 				cpu_to_le32((u32)sg_dma_len
3851 					(&task->smp_task.smp_resp)-4);
3852 	} else { /* DIRECT MODE */
3853 		smp_cmd.long_smp_req.long_req_addr =
3854 			cpu_to_le64((u64)sg_dma_address
3855 					(&task->smp_task.smp_req));
3856 		smp_cmd.long_smp_req.long_req_size =
3857 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3858 		smp_cmd.long_smp_req.long_resp_addr =
3859 			cpu_to_le64((u64)sg_dma_address
3860 				(&task->smp_task.smp_resp));
3861 		smp_cmd.long_smp_req.long_resp_size =
3862 			cpu_to_le32
3863 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3864 	}
3865 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3866 		PM8001_IO_DBG(pm8001_ha,
3867 			pm8001_printk("SMP REQUEST DIRECT MODE\n"));
3868 		for (i = 0; i < length; i++)
3869 			if (i < 16) {
3870 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
3871 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3872 					"Byte[%d]:%x (DMA data:%x)\n",
3873 					i, smp_cmd.smp_req16[i],
3874 					*(preq_dma_addr)));
3875 			} else {
3876 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
3877 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3878 					"Byte[%d]:%x (DMA data:%x)\n",
3879 					i, smp_cmd.smp_req[i],
3880 					*(preq_dma_addr)));
3881 			}
3882 	}
3883 
3884 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
3885 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
3886 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
3887 					(u32 *)&smp_cmd, 0);
3888 	if (rc)
3889 		goto err_out_2;
3890 	return 0;
3891 
3892 err_out_2:
3893 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3894 			PCI_DMA_FROMDEVICE);
3895 err_out:
3896 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3897 			PCI_DMA_TODEVICE);
3898 	return rc;
3899 }
3900 
3901 static int check_enc_sas_cmd(struct sas_task *task)
3902 {
3903 	u8 cmd = task->ssp_task.cmd->cmnd[0];
3904 
3905 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
3906 		return 1;
3907 	else
3908 		return 0;
3909 }
3910 
3911 static int check_enc_sat_cmd(struct sas_task *task)
3912 {
3913 	int ret = 0;
3914 	switch (task->ata_task.fis.command) {
3915 	case ATA_CMD_FPDMA_READ:
3916 	case ATA_CMD_READ_EXT:
3917 	case ATA_CMD_READ:
3918 	case ATA_CMD_FPDMA_WRITE:
3919 	case ATA_CMD_WRITE_EXT:
3920 	case ATA_CMD_WRITE:
3921 	case ATA_CMD_PIO_READ:
3922 	case ATA_CMD_PIO_READ_EXT:
3923 	case ATA_CMD_PIO_WRITE:
3924 	case ATA_CMD_PIO_WRITE_EXT:
3925 		ret = 1;
3926 		break;
3927 	default:
3928 		ret = 0;
3929 		break;
3930 	}
3931 	return ret;
3932 }
3933 
3934 /**
3935  * pm80xx_chip_ssp_io_req - send a SSP task to FW
3936  * @pm8001_ha: our hba card information.
3937  * @ccb: the ccb information this request used.
3938  */
3939 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3940 	struct pm8001_ccb_info *ccb)
3941 {
3942 	struct sas_task *task = ccb->task;
3943 	struct domain_device *dev = task->dev;
3944 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3945 	struct ssp_ini_io_start_req ssp_cmd;
3946 	u32 tag = ccb->ccb_tag;
3947 	int ret;
3948 	u64 phys_addr, start_addr, end_addr;
3949 	u32 end_addr_high, end_addr_low;
3950 	struct inbound_queue_table *circularQ;
3951 	u32 q_index;
3952 	u32 opc = OPC_INB_SSPINIIOSTART;
3953 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3954 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3955 	/* data address domain added for spcv; set to 0 by host,
3956 	 * used internally by controller
3957 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
3958 	 */
3959 	ssp_cmd.dad_dir_m_tlr =
3960 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
3961 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3962 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
3963 	ssp_cmd.tag = cpu_to_le32(tag);
3964 	if (task->ssp_task.enable_first_burst)
3965 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
3966 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
3967 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
3968 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
3969 		       task->ssp_task.cmd->cmd_len);
3970 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
3971 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
3972 
3973 	/* Check if encryption is set */
3974 	if (pm8001_ha->chip->encrypt &&
3975 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
3976 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3977 			"Encryption enabled.Sending Encrypt SAS command 0x%x\n",
3978 			task->ssp_task.cmd->cmnd[0]));
3979 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
3980 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
3981 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
3982 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
3983 
3984 		/* fill in PRD (scatter/gather) table, if any */
3985 		if (task->num_scatter > 1) {
3986 			pm8001_chip_make_sg(task->scatter,
3987 						ccb->n_elem, ccb->buf_prd);
3988 			phys_addr = ccb->ccb_dma_handle +
3989 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
3990 			ssp_cmd.enc_addr_low =
3991 				cpu_to_le32(lower_32_bits(phys_addr));
3992 			ssp_cmd.enc_addr_high =
3993 				cpu_to_le32(upper_32_bits(phys_addr));
3994 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
3995 		} else if (task->num_scatter == 1) {
3996 			u64 dma_addr = sg_dma_address(task->scatter);
3997 			ssp_cmd.enc_addr_low =
3998 				cpu_to_le32(lower_32_bits(dma_addr));
3999 			ssp_cmd.enc_addr_high =
4000 				cpu_to_le32(upper_32_bits(dma_addr));
4001 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4002 			ssp_cmd.enc_esgl = 0;
4003 			/* Check 4G Boundary */
4004 			start_addr = cpu_to_le64(dma_addr);
4005 			end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4006 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4007 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4008 			if (end_addr_high != ssp_cmd.enc_addr_high) {
4009 				PM8001_FAIL_DBG(pm8001_ha,
4010 					pm8001_printk("The sg list address "
4011 					"start_addr=0x%016llx data_len=0x%x "
4012 					"end_addr_high=0x%08x end_addr_low="
4013 					"0x%08x has crossed 4G boundary\n",
4014 						start_addr, ssp_cmd.enc_len,
4015 						end_addr_high, end_addr_low));
4016 				pm8001_chip_make_sg(task->scatter, 1,
4017 					ccb->buf_prd);
4018 				phys_addr = ccb->ccb_dma_handle +
4019 					offsetof(struct pm8001_ccb_info,
4020 						buf_prd[0]);
4021 				ssp_cmd.enc_addr_low =
4022 					cpu_to_le32(lower_32_bits(phys_addr));
4023 				ssp_cmd.enc_addr_high =
4024 					cpu_to_le32(upper_32_bits(phys_addr));
4025 				ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4026 			}
4027 		} else if (task->num_scatter == 0) {
4028 			ssp_cmd.enc_addr_low = 0;
4029 			ssp_cmd.enc_addr_high = 0;
4030 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4031 			ssp_cmd.enc_esgl = 0;
4032 		}
4033 		/* XTS mode. All other fields are 0 */
4034 		ssp_cmd.key_cmode = 0x6 << 4;
4035 		/* set tweak values. Should be the start lba */
4036 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4037 						(task->ssp_task.cmd->cmnd[3] << 16) |
4038 						(task->ssp_task.cmd->cmnd[4] << 8) |
4039 						(task->ssp_task.cmd->cmnd[5]));
4040 	} else {
4041 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4042 			"Sending Normal SAS command 0x%x inb q %x\n",
4043 			task->ssp_task.cmd->cmnd[0], q_index));
4044 		/* fill in PRD (scatter/gather) table, if any */
4045 		if (task->num_scatter > 1) {
4046 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4047 					ccb->buf_prd);
4048 			phys_addr = ccb->ccb_dma_handle +
4049 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4050 			ssp_cmd.addr_low =
4051 				cpu_to_le32(lower_32_bits(phys_addr));
4052 			ssp_cmd.addr_high =
4053 				cpu_to_le32(upper_32_bits(phys_addr));
4054 			ssp_cmd.esgl = cpu_to_le32(1<<31);
4055 		} else if (task->num_scatter == 1) {
4056 			u64 dma_addr = sg_dma_address(task->scatter);
4057 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4058 			ssp_cmd.addr_high =
4059 				cpu_to_le32(upper_32_bits(dma_addr));
4060 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4061 			ssp_cmd.esgl = 0;
4062 			/* Check 4G Boundary */
4063 			start_addr = cpu_to_le64(dma_addr);
4064 			end_addr = (start_addr + ssp_cmd.len) - 1;
4065 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4066 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4067 			if (end_addr_high != ssp_cmd.addr_high) {
4068 				PM8001_FAIL_DBG(pm8001_ha,
4069 					pm8001_printk("The sg list address "
4070 					"start_addr=0x%016llx data_len=0x%x "
4071 					"end_addr_high=0x%08x end_addr_low="
4072 					"0x%08x has crossed 4G boundary\n",
4073 						 start_addr, ssp_cmd.len,
4074 						 end_addr_high, end_addr_low));
4075 				pm8001_chip_make_sg(task->scatter, 1,
4076 					ccb->buf_prd);
4077 				phys_addr = ccb->ccb_dma_handle +
4078 					offsetof(struct pm8001_ccb_info,
4079 						 buf_prd[0]);
4080 				ssp_cmd.addr_low =
4081 					cpu_to_le32(lower_32_bits(phys_addr));
4082 				ssp_cmd.addr_high =
4083 					cpu_to_le32(upper_32_bits(phys_addr));
4084 				ssp_cmd.esgl = cpu_to_le32(1<<31);
4085 			}
4086 		} else if (task->num_scatter == 0) {
4087 			ssp_cmd.addr_low = 0;
4088 			ssp_cmd.addr_high = 0;
4089 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4090 			ssp_cmd.esgl = 0;
4091 		}
4092 	}
4093 	q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4094 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4095 						&ssp_cmd, q_index);
4096 	return ret;
4097 }
4098 
4099 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4100 	struct pm8001_ccb_info *ccb)
4101 {
4102 	struct sas_task *task = ccb->task;
4103 	struct domain_device *dev = task->dev;
4104 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4105 	u32 tag = ccb->ccb_tag;
4106 	int ret;
4107 	u32 q_index;
4108 	struct sata_start_req sata_cmd;
4109 	u32 hdr_tag, ncg_tag = 0;
4110 	u64 phys_addr, start_addr, end_addr;
4111 	u32 end_addr_high, end_addr_low;
4112 	u32 ATAP = 0x0;
4113 	u32 dir;
4114 	struct inbound_queue_table *circularQ;
4115 	unsigned long flags;
4116 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
4117 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4118 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4119 	circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4120 
4121 	if (task->data_dir == PCI_DMA_NONE) {
4122 		ATAP = 0x04; /* no data*/
4123 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4124 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4125 		if (task->ata_task.dma_xfer) {
4126 			ATAP = 0x06; /* DMA */
4127 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4128 		} else {
4129 			ATAP = 0x05; /* PIO*/
4130 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4131 		}
4132 		if (task->ata_task.use_ncq &&
4133 		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4134 			ATAP = 0x07; /* FPDMA */
4135 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4136 		}
4137 	}
4138 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4139 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4140 		ncg_tag = hdr_tag;
4141 	}
4142 	dir = data_dir_flags[task->data_dir] << 8;
4143 	sata_cmd.tag = cpu_to_le32(tag);
4144 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4145 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4146 
4147 	sata_cmd.sata_fis = task->ata_task.fis;
4148 	if (likely(!task->ata_task.device_control_reg_update))
4149 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4150 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4151 
4152 	/* Check if encryption is set */
4153 	if (pm8001_ha->chip->encrypt &&
4154 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4155 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4156 			"Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4157 			sata_cmd.sata_fis.command));
4158 		opc = OPC_INB_SATA_DIF_ENC_IO;
4159 
4160 		/* set encryption bit */
4161 		sata_cmd.ncqtag_atap_dir_m_dad =
4162 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
4163 				((ATAP & 0x3f) << 10) | 0x20 | dir);
4164 							/* dad (bit 0-1) is 0 */
4165 		/* fill in PRD (scatter/gather) table, if any */
4166 		if (task->num_scatter > 1) {
4167 			pm8001_chip_make_sg(task->scatter,
4168 						ccb->n_elem, ccb->buf_prd);
4169 			phys_addr = ccb->ccb_dma_handle +
4170 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4171 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4172 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4173 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4174 		} else if (task->num_scatter == 1) {
4175 			u64 dma_addr = sg_dma_address(task->scatter);
4176 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4177 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4178 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4179 			sata_cmd.enc_esgl = 0;
4180 			/* Check 4G Boundary */
4181 			start_addr = cpu_to_le64(dma_addr);
4182 			end_addr = (start_addr + sata_cmd.enc_len) - 1;
4183 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4184 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4185 			if (end_addr_high != sata_cmd.enc_addr_high) {
4186 				PM8001_FAIL_DBG(pm8001_ha,
4187 					pm8001_printk("The sg list address "
4188 					"start_addr=0x%016llx data_len=0x%x "
4189 					"end_addr_high=0x%08x end_addr_low"
4190 					"=0x%08x has crossed 4G boundary\n",
4191 						start_addr, sata_cmd.enc_len,
4192 						end_addr_high, end_addr_low));
4193 				pm8001_chip_make_sg(task->scatter, 1,
4194 					ccb->buf_prd);
4195 				phys_addr = ccb->ccb_dma_handle +
4196 						offsetof(struct pm8001_ccb_info,
4197 						buf_prd[0]);
4198 				sata_cmd.enc_addr_low =
4199 					lower_32_bits(phys_addr);
4200 				sata_cmd.enc_addr_high =
4201 					upper_32_bits(phys_addr);
4202 				sata_cmd.enc_esgl =
4203 					cpu_to_le32(1 << 31);
4204 			}
4205 		} else if (task->num_scatter == 0) {
4206 			sata_cmd.enc_addr_low = 0;
4207 			sata_cmd.enc_addr_high = 0;
4208 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4209 			sata_cmd.enc_esgl = 0;
4210 		}
4211 		/* XTS mode. All other fields are 0 */
4212 		sata_cmd.key_index_mode = 0x6 << 4;
4213 		/* set tweak values. Should be the start lba */
4214 		sata_cmd.twk_val0 =
4215 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4216 					(sata_cmd.sata_fis.lbah << 16) |
4217 					(sata_cmd.sata_fis.lbam << 8) |
4218 					(sata_cmd.sata_fis.lbal));
4219 		sata_cmd.twk_val1 =
4220 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4221 					 (sata_cmd.sata_fis.lbam_exp));
4222 	} else {
4223 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4224 			"Sending Normal SATA command 0x%x inb %x\n",
4225 			sata_cmd.sata_fis.command, q_index));
4226 		/* dad (bit 0-1) is 0 */
4227 		sata_cmd.ncqtag_atap_dir_m_dad =
4228 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
4229 					((ATAP & 0x3f) << 10) | dir);
4230 
4231 		/* fill in PRD (scatter/gather) table, if any */
4232 		if (task->num_scatter > 1) {
4233 			pm8001_chip_make_sg(task->scatter,
4234 					ccb->n_elem, ccb->buf_prd);
4235 			phys_addr = ccb->ccb_dma_handle +
4236 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4237 			sata_cmd.addr_low = lower_32_bits(phys_addr);
4238 			sata_cmd.addr_high = upper_32_bits(phys_addr);
4239 			sata_cmd.esgl = cpu_to_le32(1 << 31);
4240 		} else if (task->num_scatter == 1) {
4241 			u64 dma_addr = sg_dma_address(task->scatter);
4242 			sata_cmd.addr_low = lower_32_bits(dma_addr);
4243 			sata_cmd.addr_high = upper_32_bits(dma_addr);
4244 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4245 			sata_cmd.esgl = 0;
4246 			/* Check 4G Boundary */
4247 			start_addr = cpu_to_le64(dma_addr);
4248 			end_addr = (start_addr + sata_cmd.len) - 1;
4249 			end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4250 			end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4251 			if (end_addr_high != sata_cmd.addr_high) {
4252 				PM8001_FAIL_DBG(pm8001_ha,
4253 					pm8001_printk("The sg list address "
4254 					"start_addr=0x%016llx data_len=0x%x"
4255 					"end_addr_high=0x%08x end_addr_low="
4256 					"0x%08x has crossed 4G boundary\n",
4257 						start_addr, sata_cmd.len,
4258 						end_addr_high, end_addr_low));
4259 				pm8001_chip_make_sg(task->scatter, 1,
4260 					ccb->buf_prd);
4261 				phys_addr = ccb->ccb_dma_handle +
4262 					offsetof(struct pm8001_ccb_info,
4263 					buf_prd[0]);
4264 				sata_cmd.addr_low =
4265 					lower_32_bits(phys_addr);
4266 				sata_cmd.addr_high =
4267 					upper_32_bits(phys_addr);
4268 				sata_cmd.esgl = cpu_to_le32(1 << 31);
4269 			}
4270 		} else if (task->num_scatter == 0) {
4271 			sata_cmd.addr_low = 0;
4272 			sata_cmd.addr_high = 0;
4273 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4274 			sata_cmd.esgl = 0;
4275 		}
4276 			/* scsi cdb */
4277 			sata_cmd.atapi_scsi_cdb[0] =
4278 				cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4279 				(task->ata_task.atapi_packet[1] << 8) |
4280 				(task->ata_task.atapi_packet[2] << 16) |
4281 				(task->ata_task.atapi_packet[3] << 24)));
4282 			sata_cmd.atapi_scsi_cdb[1] =
4283 				cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4284 				(task->ata_task.atapi_packet[5] << 8) |
4285 				(task->ata_task.atapi_packet[6] << 16) |
4286 				(task->ata_task.atapi_packet[7] << 24)));
4287 			sata_cmd.atapi_scsi_cdb[2] =
4288 				cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4289 				(task->ata_task.atapi_packet[9] << 8) |
4290 				(task->ata_task.atapi_packet[10] << 16) |
4291 				(task->ata_task.atapi_packet[11] << 24)));
4292 			sata_cmd.atapi_scsi_cdb[3] =
4293 				cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4294 				(task->ata_task.atapi_packet[13] << 8) |
4295 				(task->ata_task.atapi_packet[14] << 16) |
4296 				(task->ata_task.atapi_packet[15] << 24)));
4297 	}
4298 
4299 	/* Check for read log for failed drive and return */
4300 	if (sata_cmd.sata_fis.command == 0x2f) {
4301 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4302 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4303 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4304 			struct task_status_struct *ts;
4305 
4306 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4307 			ts = &task->task_status;
4308 
4309 			spin_lock_irqsave(&task->task_state_lock, flags);
4310 			ts->resp = SAS_TASK_COMPLETE;
4311 			ts->stat = SAM_STAT_GOOD;
4312 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4313 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4314 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4315 			if (unlikely((task->task_state_flags &
4316 					SAS_TASK_STATE_ABORTED))) {
4317 				spin_unlock_irqrestore(&task->task_state_lock,
4318 							flags);
4319 				PM8001_FAIL_DBG(pm8001_ha,
4320 					pm8001_printk("task 0x%p resp 0x%x "
4321 					" stat 0x%x but aborted by upper layer "
4322 					"\n", task, ts->resp, ts->stat));
4323 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4324 				return 0;
4325 			} else {
4326 				spin_unlock_irqrestore(&task->task_state_lock,
4327 							flags);
4328 				pm8001_ccb_task_free_done(pm8001_ha, task,
4329 								ccb, tag);
4330 				return 0;
4331 			}
4332 		}
4333 	}
4334 	q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4335 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4336 						&sata_cmd, q_index);
4337 	return ret;
4338 }
4339 
4340 /**
4341  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4342  * @pm8001_ha: our hba card information.
4343  * @num: the inbound queue number
4344  * @phy_id: the phy id which we wanted to start up.
4345  */
4346 static int
4347 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4348 {
4349 	struct phy_start_req payload;
4350 	struct inbound_queue_table *circularQ;
4351 	int ret;
4352 	u32 tag = 0x01;
4353 	u32 opcode = OPC_INB_PHYSTART;
4354 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4355 	memset(&payload, 0, sizeof(payload));
4356 	payload.tag = cpu_to_le32(tag);
4357 
4358 	PM8001_INIT_DBG(pm8001_ha,
4359 		pm8001_printk("PHY START REQ for phy_id %d\n", phy_id));
4360 	/*
4361 	 ** [0:7]	PHY Identifier
4362 	 ** [8:11]	link rate 1.5G, 3G, 6G
4363 	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b Auto mode
4364 	 ** [14]	0b disable spin up hold; 1b enable spin up hold
4365 	 ** [15] ob no change in current PHY analig setup 1b enable using SPAST
4366 	 */
4367 	if (!IS_SPCV_12G(pm8001_ha->pdev))
4368 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4369 				LINKMODE_AUTO | LINKRATE_15 |
4370 				LINKRATE_30 | LINKRATE_60 | phy_id);
4371 	else
4372 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4373 				LINKMODE_AUTO | LINKRATE_15 |
4374 				LINKRATE_30 | LINKRATE_60 | LINKRATE_120 |
4375 				phy_id);
4376 
4377 	/* SSC Disable and SAS Analog ST configuration */
4378 	/**
4379 	payload.ase_sh_lm_slr_phyid =
4380 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4381 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4382 		phy_id);
4383 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4384 	**/
4385 
4386 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4387 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4388 	memcpy(payload.sas_identify.sas_addr,
4389 		pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4390 	payload.sas_identify.phy_id = phy_id;
4391 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4392 	return ret;
4393 }
4394 
4395 /**
4396  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4397  * @pm8001_ha: our hba card information.
4398  * @num: the inbound queue number
4399  * @phy_id: the phy id which we wanted to start up.
4400  */
4401 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4402 	u8 phy_id)
4403 {
4404 	struct phy_stop_req payload;
4405 	struct inbound_queue_table *circularQ;
4406 	int ret;
4407 	u32 tag = 0x01;
4408 	u32 opcode = OPC_INB_PHYSTOP;
4409 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4410 	memset(&payload, 0, sizeof(payload));
4411 	payload.tag = cpu_to_le32(tag);
4412 	payload.phy_id = cpu_to_le32(phy_id);
4413 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4414 	return ret;
4415 }
4416 
4417 /**
4418  * see comments on pm8001_mpi_reg_resp.
4419  */
4420 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4421 	struct pm8001_device *pm8001_dev, u32 flag)
4422 {
4423 	struct reg_dev_req payload;
4424 	u32	opc;
4425 	u32 stp_sspsmp_sata = 0x4;
4426 	struct inbound_queue_table *circularQ;
4427 	u32 linkrate, phy_id;
4428 	int rc, tag = 0xdeadbeef;
4429 	struct pm8001_ccb_info *ccb;
4430 	u8 retryFlag = 0x1;
4431 	u16 firstBurstSize = 0;
4432 	u16 ITNT = 2000;
4433 	struct domain_device *dev = pm8001_dev->sas_device;
4434 	struct domain_device *parent_dev = dev->parent;
4435 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4436 
4437 	memset(&payload, 0, sizeof(payload));
4438 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4439 	if (rc)
4440 		return rc;
4441 	ccb = &pm8001_ha->ccb_info[tag];
4442 	ccb->device = pm8001_dev;
4443 	ccb->ccb_tag = tag;
4444 	payload.tag = cpu_to_le32(tag);
4445 
4446 	if (flag == 1) {
4447 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4448 	} else {
4449 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4450 			stp_sspsmp_sata = 0x00; /* stp*/
4451 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4452 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4453 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4454 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4455 	}
4456 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4457 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4458 	else
4459 		phy_id = pm8001_dev->attached_phy;
4460 
4461 	opc = OPC_INB_REG_DEV;
4462 
4463 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4464 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4465 
4466 	payload.phyid_portid =
4467 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4468 		((phy_id & 0xFF) << 8));
4469 
4470 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4471 		((linkrate & 0x0F) << 24) |
4472 		((stp_sspsmp_sata & 0x03) << 28));
4473 	payload.firstburstsize_ITNexustimeout =
4474 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4475 
4476 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4477 		SAS_ADDR_SIZE);
4478 
4479 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4480 	if (rc)
4481 		pm8001_tag_free(pm8001_ha, tag);
4482 
4483 	return rc;
4484 }
4485 
4486 /**
4487  * pm80xx_chip_phy_ctl_req - support the local phy operation
4488  * @pm8001_ha: our hba card information.
4489  * @num: the inbound queue number
4490  * @phy_id: the phy id which we wanted to operate
4491  * @phy_op:
4492  */
4493 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4494 	u32 phyId, u32 phy_op)
4495 {
4496 	struct local_phy_ctl_req payload;
4497 	struct inbound_queue_table *circularQ;
4498 	int ret;
4499 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4500 	memset(&payload, 0, sizeof(payload));
4501 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4502 	payload.tag = cpu_to_le32(1);
4503 	payload.phyop_phyid =
4504 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4505 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4506 	return ret;
4507 }
4508 
4509 static u32 pm80xx_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4510 {
4511 	u32 value;
4512 #ifdef PM8001_USE_MSIX
4513 	return 1;
4514 #endif
4515 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4516 	if (value)
4517 		return 1;
4518 	return 0;
4519 
4520 }
4521 
4522 /**
4523  * pm8001_chip_isr - PM8001 isr handler.
4524  * @pm8001_ha: our hba card information.
4525  * @irq: irq number.
4526  * @stat: stat.
4527  */
4528 static irqreturn_t
4529 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4530 {
4531 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4532 	process_oq(pm8001_ha, vec);
4533 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4534 	return IRQ_HANDLED;
4535 }
4536 
4537 void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4538 	u32 operation, u32 phyid, u32 length, u32 *buf)
4539 {
4540 	u32 tag , i, j = 0;
4541 	int rc;
4542 	struct set_phy_profile_req payload;
4543 	struct inbound_queue_table *circularQ;
4544 	u32 opc = OPC_INB_SET_PHY_PROFILE;
4545 
4546 	memset(&payload, 0, sizeof(payload));
4547 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4548 	if (rc)
4549 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Invalid tag\n"));
4550 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4551 	payload.tag = cpu_to_le32(tag);
4552 	payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4553 	PM8001_INIT_DBG(pm8001_ha,
4554 		pm8001_printk(" phy profile command for phy %x ,length is %d\n",
4555 			payload.ppc_phyid, length));
4556 	for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4557 		payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4558 		j++;
4559 	}
4560 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4561 	if (rc)
4562 		pm8001_tag_free(pm8001_ha, tag);
4563 }
4564 
4565 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4566 	u32 length, u8 *buf)
4567 {
4568 	u32 page_code, i;
4569 
4570 	page_code = SAS_PHY_ANALOG_SETTINGS_PAGE;
4571 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4572 		mpi_set_phy_profile_req(pm8001_ha,
4573 			SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4574 		length = length + PHY_DWORD_LENGTH;
4575 	}
4576 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("phy settings completed\n"));
4577 }
4578 const struct pm8001_dispatch pm8001_80xx_dispatch = {
4579 	.name			= "pmc80xx",
4580 	.chip_init		= pm80xx_chip_init,
4581 	.chip_soft_rst		= pm80xx_chip_soft_rst,
4582 	.chip_rst		= pm80xx_hw_chip_rst,
4583 	.chip_iounmap		= pm8001_chip_iounmap,
4584 	.isr			= pm80xx_chip_isr,
4585 	.is_our_interupt	= pm80xx_chip_is_our_interupt,
4586 	.isr_process_oq		= process_oq,
4587 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
4588 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
4589 	.make_prd		= pm8001_chip_make_sg,
4590 	.smp_req		= pm80xx_chip_smp_req,
4591 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
4592 	.sata_req		= pm80xx_chip_sata_req,
4593 	.phy_start_req		= pm80xx_chip_phy_start_req,
4594 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
4595 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
4596 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4597 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
4598 	.task_abort		= pm8001_chip_abort_task,
4599 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4600 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4601 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4602 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4603 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4604 };
4605