xref: /openbmc/linux/drivers/scsi/pm8001/pm8001_hwi.c (revision ccb01374)
1 /*
2  * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 USI Co., Ltd.
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 "pm8001_hwi.h"
43  #include "pm8001_chips.h"
44  #include "pm8001_ctl.h"
45 
46 /**
47  * read_main_config_table - read the configure table and save it.
48  * @pm8001_ha: our hba card information
49  */
50 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
51 {
52 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
53 	pm8001_ha->main_cfg_tbl.pm8001_tbl.signature	=
54 				pm8001_mr32(address, 0x00);
55 	pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
56 				pm8001_mr32(address, 0x04);
57 	pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev	=
58 				pm8001_mr32(address, 0x08);
59 	pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io	=
60 				pm8001_mr32(address, 0x0C);
61 	pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl	=
62 				pm8001_mr32(address, 0x10);
63 	pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
64 				pm8001_mr32(address, 0x14);
65 	pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset	=
66 				pm8001_mr32(address, 0x18);
67 	pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
68 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
69 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
70 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
71 	pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag	=
72 		pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
73 
74 	/* read analog Setting offset from the configuration table */
75 	pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
76 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
77 
78 	/* read Error Dump Offset and Length */
79 	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
80 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
81 	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
82 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
83 	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
84 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
85 	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
86 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
87 }
88 
89 /**
90  * read_general_status_table - read the general status table and save it.
91  * @pm8001_ha: our hba card information
92  */
93 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
94 {
95 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
96 	pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate	=
97 				pm8001_mr32(address, 0x00);
98 	pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0	=
99 				pm8001_mr32(address, 0x04);
100 	pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1	=
101 				pm8001_mr32(address, 0x08);
102 	pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt		=
103 				pm8001_mr32(address, 0x0C);
104 	pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt		=
105 				pm8001_mr32(address, 0x10);
106 	pm8001_ha->gs_tbl.pm8001_tbl.rsvd		=
107 				pm8001_mr32(address, 0x14);
108 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0]	=
109 				pm8001_mr32(address, 0x18);
110 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1]	=
111 				pm8001_mr32(address, 0x1C);
112 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2]	=
113 				pm8001_mr32(address, 0x20);
114 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3]	=
115 				pm8001_mr32(address, 0x24);
116 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4]	=
117 				pm8001_mr32(address, 0x28);
118 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5]	=
119 				pm8001_mr32(address, 0x2C);
120 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6]	=
121 				pm8001_mr32(address, 0x30);
122 	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7]	=
123 				pm8001_mr32(address, 0x34);
124 	pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val	=
125 				pm8001_mr32(address, 0x38);
126 	pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0]		=
127 				pm8001_mr32(address, 0x3C);
128 	pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1]		=
129 				pm8001_mr32(address, 0x40);
130 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0]	=
131 				pm8001_mr32(address, 0x44);
132 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1]	=
133 				pm8001_mr32(address, 0x48);
134 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2]	=
135 				pm8001_mr32(address, 0x4C);
136 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3]	=
137 				pm8001_mr32(address, 0x50);
138 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4]	=
139 				pm8001_mr32(address, 0x54);
140 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5]	=
141 				pm8001_mr32(address, 0x58);
142 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6]	=
143 				pm8001_mr32(address, 0x5C);
144 	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7]	=
145 				pm8001_mr32(address, 0x60);
146 }
147 
148 /**
149  * read_inbnd_queue_table - read the inbound queue table and save it.
150  * @pm8001_ha: our hba card information
151  */
152 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
153 {
154 	int i;
155 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
156 	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
157 		u32 offset = i * 0x20;
158 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
159 		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
160 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
161 			pm8001_mr32(address, (offset + 0x18));
162 	}
163 }
164 
165 /**
166  * read_outbnd_queue_table - read the outbound queue table and save it.
167  * @pm8001_ha: our hba card information
168  */
169 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
170 {
171 	int i;
172 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
173 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
174 		u32 offset = i * 0x24;
175 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
176 		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
177 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
178 			pm8001_mr32(address, (offset + 0x18));
179 	}
180 }
181 
182 /**
183  * init_default_table_values - init the default table.
184  * @pm8001_ha: our hba card information
185  */
186 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
187 {
188 	int i;
189 	u32 offsetib, offsetob;
190 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
191 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
192 
193 	pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd		= 0;
194 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3	= 0;
195 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7	= 0;
196 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3	= 0;
197 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7	= 0;
198 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
199 									 0;
200 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
201 									 0;
202 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
203 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
204 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
205 	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
206 
207 	pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr		=
208 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
209 	pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr		=
210 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
211 	pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size		=
212 		PM8001_EVENT_LOG_SIZE;
213 	pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option		= 0x01;
214 	pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr	=
215 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
216 	pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr	=
217 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
218 	pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size		=
219 		PM8001_EVENT_LOG_SIZE;
220 	pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option		= 0x01;
221 	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt		= 0x01;
222 	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
223 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
224 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
225 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
226 			pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
227 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
228 		pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
229 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
230 			(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
231 		pm8001_ha->inbnd_q_tbl[i].total_length		=
232 			pm8001_ha->memoryMap.region[IB + i].total_len;
233 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
234 			pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
235 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
236 			pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
237 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
238 			pm8001_ha->memoryMap.region[CI + i].virt_ptr;
239 		offsetib = i * 0x20;
240 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
241 			get_pci_bar_index(pm8001_mr32(addressib,
242 				(offsetib + 0x14)));
243 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
244 			pm8001_mr32(addressib, (offsetib + 0x18));
245 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
246 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
247 	}
248 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
249 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
250 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
251 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
252 			pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
253 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
254 			pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
255 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
256 			(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
257 		pm8001_ha->outbnd_q_tbl[i].total_length		=
258 			pm8001_ha->memoryMap.region[OB + i].total_len;
259 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
260 			pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
261 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
262 			pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
263 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay	=
264 			0 | (10 << 16) | (i << 24);
265 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
266 			pm8001_ha->memoryMap.region[PI + i].virt_ptr;
267 		offsetob = i * 0x24;
268 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
269 			get_pci_bar_index(pm8001_mr32(addressob,
270 			offsetob + 0x14));
271 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
272 			pm8001_mr32(addressob, (offsetob + 0x18));
273 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
274 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
275 	}
276 }
277 
278 /**
279  * update_main_config_table - update the main default table to the HBA.
280  * @pm8001_ha: our hba card information
281  */
282 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
283 {
284 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
285 	pm8001_mw32(address, 0x24,
286 		pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
287 	pm8001_mw32(address, 0x28,
288 		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
289 	pm8001_mw32(address, 0x2C,
290 		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
291 	pm8001_mw32(address, 0x30,
292 		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
293 	pm8001_mw32(address, 0x34,
294 		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
295 	pm8001_mw32(address, 0x38,
296 		pm8001_ha->main_cfg_tbl.pm8001_tbl.
297 					outbound_tgt_ITNexus_event_pid0_3);
298 	pm8001_mw32(address, 0x3C,
299 		pm8001_ha->main_cfg_tbl.pm8001_tbl.
300 					outbound_tgt_ITNexus_event_pid4_7);
301 	pm8001_mw32(address, 0x40,
302 		pm8001_ha->main_cfg_tbl.pm8001_tbl.
303 					outbound_tgt_ssp_event_pid0_3);
304 	pm8001_mw32(address, 0x44,
305 		pm8001_ha->main_cfg_tbl.pm8001_tbl.
306 					outbound_tgt_ssp_event_pid4_7);
307 	pm8001_mw32(address, 0x48,
308 		pm8001_ha->main_cfg_tbl.pm8001_tbl.
309 					outbound_tgt_smp_event_pid0_3);
310 	pm8001_mw32(address, 0x4C,
311 		pm8001_ha->main_cfg_tbl.pm8001_tbl.
312 					outbound_tgt_smp_event_pid4_7);
313 	pm8001_mw32(address, 0x50,
314 		pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
315 	pm8001_mw32(address, 0x54,
316 		pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
317 	pm8001_mw32(address, 0x58,
318 		pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
319 	pm8001_mw32(address, 0x5C,
320 		pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
321 	pm8001_mw32(address, 0x60,
322 		pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
323 	pm8001_mw32(address, 0x64,
324 		pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
325 	pm8001_mw32(address, 0x68,
326 		pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
327 	pm8001_mw32(address, 0x6C,
328 		pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
329 	pm8001_mw32(address, 0x70,
330 		pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
331 }
332 
333 /**
334  * update_inbnd_queue_table - update the inbound queue table to the HBA.
335  * @pm8001_ha: our hba card information
336  */
337 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
338 				     int number)
339 {
340 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
341 	u16 offset = number * 0x20;
342 	pm8001_mw32(address, offset + 0x00,
343 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
344 	pm8001_mw32(address, offset + 0x04,
345 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
346 	pm8001_mw32(address, offset + 0x08,
347 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
348 	pm8001_mw32(address, offset + 0x0C,
349 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
350 	pm8001_mw32(address, offset + 0x10,
351 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
352 }
353 
354 /**
355  * update_outbnd_queue_table - update the outbound queue table to the HBA.
356  * @pm8001_ha: our hba card information
357  */
358 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
359 				      int number)
360 {
361 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
362 	u16 offset = number * 0x24;
363 	pm8001_mw32(address, offset + 0x00,
364 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
365 	pm8001_mw32(address, offset + 0x04,
366 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
367 	pm8001_mw32(address, offset + 0x08,
368 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
369 	pm8001_mw32(address, offset + 0x0C,
370 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
371 	pm8001_mw32(address, offset + 0x10,
372 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
373 	pm8001_mw32(address, offset + 0x1C,
374 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
375 }
376 
377 /**
378  * pm8001_bar4_shift - function is called to shift BAR base address
379  * @pm8001_ha : our hba card infomation
380  * @shiftValue : shifting value in memory bar.
381  */
382 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
383 {
384 	u32 regVal;
385 	unsigned long start;
386 
387 	/* program the inbound AXI translation Lower Address */
388 	pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
389 
390 	/* confirm the setting is written */
391 	start = jiffies + HZ; /* 1 sec */
392 	do {
393 		regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
394 	} while ((regVal != shiftValue) && time_before(jiffies, start));
395 
396 	if (regVal != shiftValue) {
397 		PM8001_INIT_DBG(pm8001_ha,
398 			pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
399 			" = 0x%x\n", regVal));
400 		return -1;
401 	}
402 	return 0;
403 }
404 
405 /**
406  * mpi_set_phys_g3_with_ssc
407  * @pm8001_ha: our hba card information
408  * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
409  */
410 static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
411 				     u32 SSCbit)
412 {
413 	u32 value, offset, i;
414 	unsigned long flags;
415 
416 #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
417 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
418 #define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
419 #define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
420 #define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
421 #define PHY_G3_WITH_SSC_BIT_SHIFT 13
422 #define SNW3_PHY_CAPABILITIES_PARITY 31
423 
424    /*
425     * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
426     * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
427     */
428 	spin_lock_irqsave(&pm8001_ha->lock, flags);
429 	if (-1 == pm8001_bar4_shift(pm8001_ha,
430 				SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
431 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
432 		return;
433 	}
434 
435 	for (i = 0; i < 4; i++) {
436 		offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
437 		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
438 	}
439 	/* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
440 	if (-1 == pm8001_bar4_shift(pm8001_ha,
441 				SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
442 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
443 		return;
444 	}
445 	for (i = 4; i < 8; i++) {
446 		offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
447 		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
448 	}
449 	/*************************************************************
450 	Change the SSC upspreading value to 0x0 so that upspreading is disabled.
451 	Device MABC SMOD0 Controls
452 	Address: (via MEMBASE-III):
453 	Using shifted destination address 0x0_0000: with Offset 0xD8
454 
455 	31:28 R/W Reserved Do not change
456 	27:24 R/W SAS_SMOD_SPRDUP 0000
457 	23:20 R/W SAS_SMOD_SPRDDN 0000
458 	19:0  R/W  Reserved Do not change
459 	Upon power-up this register will read as 0x8990c016,
460 	and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
461 	so that the written value will be 0x8090c016.
462 	This will ensure only down-spreading SSC is enabled on the SPC.
463 	*************************************************************/
464 	value = pm8001_cr32(pm8001_ha, 2, 0xd8);
465 	pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
466 
467 	/*set the shifted destination address to 0x0 to avoid error operation */
468 	pm8001_bar4_shift(pm8001_ha, 0x0);
469 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
470 	return;
471 }
472 
473 /**
474  * mpi_set_open_retry_interval_reg
475  * @pm8001_ha: our hba card information
476  * @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
477  */
478 static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
479 					    u32 interval)
480 {
481 	u32 offset;
482 	u32 value;
483 	u32 i;
484 	unsigned long flags;
485 
486 #define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
487 #define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
488 #define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
489 #define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
490 #define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
491 
492 	value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
493 	spin_lock_irqsave(&pm8001_ha->lock, flags);
494 	/* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
495 	if (-1 == pm8001_bar4_shift(pm8001_ha,
496 			     OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
497 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
498 		return;
499 	}
500 	for (i = 0; i < 4; i++) {
501 		offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
502 		pm8001_cw32(pm8001_ha, 2, offset, value);
503 	}
504 
505 	if (-1 == pm8001_bar4_shift(pm8001_ha,
506 			     OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
507 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
508 		return;
509 	}
510 	for (i = 4; i < 8; i++) {
511 		offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
512 		pm8001_cw32(pm8001_ha, 2, offset, value);
513 	}
514 	/*set the shifted destination address to 0x0 to avoid error operation */
515 	pm8001_bar4_shift(pm8001_ha, 0x0);
516 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
517 	return;
518 }
519 
520 /**
521  * mpi_init_check - check firmware initialization status.
522  * @pm8001_ha: our hba card information
523  */
524 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
525 {
526 	u32 max_wait_count;
527 	u32 value;
528 	u32 gst_len_mpistate;
529 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
530 	table is updated */
531 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
532 	/* wait until Inbound DoorBell Clear Register toggled */
533 	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
534 	do {
535 		udelay(1);
536 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
537 		value &= SPC_MSGU_CFG_TABLE_UPDATE;
538 	} while ((value != 0) && (--max_wait_count));
539 
540 	if (!max_wait_count)
541 		return -1;
542 	/* check the MPI-State for initialization */
543 	gst_len_mpistate =
544 		pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
545 		GST_GSTLEN_MPIS_OFFSET);
546 	if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
547 		return -1;
548 	/* check MPI Initialization error */
549 	gst_len_mpistate = gst_len_mpistate >> 16;
550 	if (0x0000 != gst_len_mpistate)
551 		return -1;
552 	return 0;
553 }
554 
555 /**
556  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
557  * @pm8001_ha: our hba card information
558  */
559 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
560 {
561 	u32 value, value1;
562 	u32 max_wait_count;
563 	/* check error state */
564 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
565 	value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
566 	/* check AAP error */
567 	if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
568 		/* error state */
569 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
570 		return -1;
571 	}
572 
573 	/* check IOP error */
574 	if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
575 		/* error state */
576 		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
577 		return -1;
578 	}
579 
580 	/* bit 4-31 of scratch pad1 should be zeros if it is not
581 	in error state*/
582 	if (value & SCRATCH_PAD1_STATE_MASK) {
583 		/* error case */
584 		pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
585 		return -1;
586 	}
587 
588 	/* bit 2, 4-31 of scratch pad2 should be zeros if it is not
589 	in error state */
590 	if (value1 & SCRATCH_PAD2_STATE_MASK) {
591 		/* error case */
592 		return -1;
593 	}
594 
595 	max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
596 
597 	/* wait until scratch pad 1 and 2 registers in ready state  */
598 	do {
599 		udelay(1);
600 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
601 			& SCRATCH_PAD1_RDY;
602 		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
603 			& SCRATCH_PAD2_RDY;
604 		if ((--max_wait_count) == 0)
605 			return -1;
606 	} while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
607 	return 0;
608 }
609 
610 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
611 {
612 	void __iomem *base_addr;
613 	u32	value;
614 	u32	offset;
615 	u32	pcibar;
616 	u32	pcilogic;
617 
618 	value = pm8001_cr32(pm8001_ha, 0, 0x44);
619 	offset = value & 0x03FFFFFF;
620 	PM8001_INIT_DBG(pm8001_ha,
621 		pm8001_printk("Scratchpad 0 Offset: %x\n", offset));
622 	pcilogic = (value & 0xFC000000) >> 26;
623 	pcibar = get_pci_bar_index(pcilogic);
624 	PM8001_INIT_DBG(pm8001_ha,
625 		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
626 	pm8001_ha->main_cfg_tbl_addr = base_addr =
627 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
628 	pm8001_ha->general_stat_tbl_addr =
629 		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
630 	pm8001_ha->inbnd_q_tbl_addr =
631 		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
632 	pm8001_ha->outbnd_q_tbl_addr =
633 		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
634 }
635 
636 /**
637  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
638  * @pm8001_ha: our hba card information
639  */
640 static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
641 {
642 	u8 i = 0;
643 	u16 deviceid;
644 	pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
645 	/* 8081 controllers need BAR shift to access MPI space
646 	* as this is shared with BIOS data */
647 	if (deviceid == 0x8081 || deviceid == 0x0042) {
648 		if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
649 			PM8001_FAIL_DBG(pm8001_ha,
650 				pm8001_printk("Shift Bar4 to 0x%x failed\n",
651 					GSM_SM_BASE));
652 			return -1;
653 		}
654 	}
655 	/* check the firmware status */
656 	if (-1 == check_fw_ready(pm8001_ha)) {
657 		PM8001_FAIL_DBG(pm8001_ha,
658 			pm8001_printk("Firmware is not ready!\n"));
659 		return -EBUSY;
660 	}
661 
662 	/* Initialize pci space address eg: mpi offset */
663 	init_pci_device_addresses(pm8001_ha);
664 	init_default_table_values(pm8001_ha);
665 	read_main_config_table(pm8001_ha);
666 	read_general_status_table(pm8001_ha);
667 	read_inbnd_queue_table(pm8001_ha);
668 	read_outbnd_queue_table(pm8001_ha);
669 	/* update main config table ,inbound table and outbound table */
670 	update_main_config_table(pm8001_ha);
671 	for (i = 0; i < PM8001_MAX_INB_NUM; i++)
672 		update_inbnd_queue_table(pm8001_ha, i);
673 	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++)
674 		update_outbnd_queue_table(pm8001_ha, i);
675 	/* 8081 controller donot require these operations */
676 	if (deviceid != 0x8081 && deviceid != 0x0042) {
677 		mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
678 		/* 7->130ms, 34->500ms, 119->1.5s */
679 		mpi_set_open_retry_interval_reg(pm8001_ha, 119);
680 	}
681 	/* notify firmware update finished and check initialization status */
682 	if (0 == mpi_init_check(pm8001_ha)) {
683 		PM8001_INIT_DBG(pm8001_ha,
684 			pm8001_printk("MPI initialize successful!\n"));
685 	} else
686 		return -EBUSY;
687 	/*This register is a 16-bit timer with a resolution of 1us. This is the
688 	timer used for interrupt delay/coalescing in the PCIe Application Layer.
689 	Zero is not a valid value. A value of 1 in the register will cause the
690 	interrupts to be normal. A value greater than 1 will cause coalescing
691 	delays.*/
692 	pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
693 	pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
694 	return 0;
695 }
696 
697 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
698 {
699 	u32 max_wait_count;
700 	u32 value;
701 	u32 gst_len_mpistate;
702 	u16 deviceid;
703 	pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
704 	if (deviceid == 0x8081 || deviceid == 0x0042) {
705 		if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
706 			PM8001_FAIL_DBG(pm8001_ha,
707 				pm8001_printk("Shift Bar4 to 0x%x failed\n",
708 					GSM_SM_BASE));
709 			return -1;
710 		}
711 	}
712 	init_pci_device_addresses(pm8001_ha);
713 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
714 	table is stop */
715 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
716 
717 	/* wait until Inbound DoorBell Clear Register toggled */
718 	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
719 	do {
720 		udelay(1);
721 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
722 		value &= SPC_MSGU_CFG_TABLE_RESET;
723 	} while ((value != 0) && (--max_wait_count));
724 
725 	if (!max_wait_count) {
726 		PM8001_FAIL_DBG(pm8001_ha,
727 			pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
728 		return -1;
729 	}
730 
731 	/* check the MPI-State for termination in progress */
732 	/* wait until Inbound DoorBell Clear Register toggled */
733 	max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
734 	do {
735 		udelay(1);
736 		gst_len_mpistate =
737 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
738 			GST_GSTLEN_MPIS_OFFSET);
739 		if (GST_MPI_STATE_UNINIT ==
740 			(gst_len_mpistate & GST_MPI_STATE_MASK))
741 			break;
742 	} while (--max_wait_count);
743 	if (!max_wait_count) {
744 		PM8001_FAIL_DBG(pm8001_ha,
745 			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
746 				gst_len_mpistate & GST_MPI_STATE_MASK));
747 		return -1;
748 	}
749 	return 0;
750 }
751 
752 /**
753  * soft_reset_ready_check - Function to check FW is ready for soft reset.
754  * @pm8001_ha: our hba card information
755  */
756 static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
757 {
758 	u32 regVal, regVal1, regVal2;
759 	if (mpi_uninit_check(pm8001_ha) != 0) {
760 		PM8001_FAIL_DBG(pm8001_ha,
761 			pm8001_printk("MPI state is not ready\n"));
762 		return -1;
763 	}
764 	/* read the scratch pad 2 register bit 2 */
765 	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
766 		& SCRATCH_PAD2_FWRDY_RST;
767 	if (regVal == SCRATCH_PAD2_FWRDY_RST) {
768 		PM8001_INIT_DBG(pm8001_ha,
769 			pm8001_printk("Firmware is ready for reset .\n"));
770 	} else {
771 		unsigned long flags;
772 		/* Trigger NMI twice via RB6 */
773 		spin_lock_irqsave(&pm8001_ha->lock, flags);
774 		if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
775 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
776 			PM8001_FAIL_DBG(pm8001_ha,
777 				pm8001_printk("Shift Bar4 to 0x%x failed\n",
778 					RB6_ACCESS_REG));
779 			return -1;
780 		}
781 		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
782 			RB6_MAGIC_NUMBER_RST);
783 		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
784 		/* wait for 100 ms */
785 		mdelay(100);
786 		regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
787 			SCRATCH_PAD2_FWRDY_RST;
788 		if (regVal != SCRATCH_PAD2_FWRDY_RST) {
789 			regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
790 			regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
791 			PM8001_FAIL_DBG(pm8001_ha,
792 				pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
793 				"=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
794 				regVal1, regVal2));
795 			PM8001_FAIL_DBG(pm8001_ha,
796 				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
797 				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
798 			PM8001_FAIL_DBG(pm8001_ha,
799 				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
800 				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
801 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
802 			return -1;
803 		}
804 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
805 	}
806 	return 0;
807 }
808 
809 /**
810  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
811  * the FW register status to the originated status.
812  * @pm8001_ha: our hba card information
813  */
814 static int
815 pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
816 {
817 	u32	regVal, toggleVal;
818 	u32	max_wait_count;
819 	u32	regVal1, regVal2, regVal3;
820 	u32	signature = 0x252acbcd; /* for host scratch pad0 */
821 	unsigned long flags;
822 
823 	/* step1: Check FW is ready for soft reset */
824 	if (soft_reset_ready_check(pm8001_ha) != 0) {
825 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
826 		return -1;
827 	}
828 
829 	/* step 2: clear NMI status register on AAP1 and IOP, write the same
830 	value to clear */
831 	/* map 0x60000 to BAR4(0x20), BAR2(win) */
832 	spin_lock_irqsave(&pm8001_ha->lock, flags);
833 	if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
834 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
835 		PM8001_FAIL_DBG(pm8001_ha,
836 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
837 			MBIC_AAP1_ADDR_BASE));
838 		return -1;
839 	}
840 	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
841 	PM8001_INIT_DBG(pm8001_ha,
842 		pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
843 	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
844 	/* map 0x70000 to BAR4(0x20), BAR2(win) */
845 	if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
846 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
847 		PM8001_FAIL_DBG(pm8001_ha,
848 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
849 			MBIC_IOP_ADDR_BASE));
850 		return -1;
851 	}
852 	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
853 	PM8001_INIT_DBG(pm8001_ha,
854 		pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
855 	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
856 
857 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
858 	PM8001_INIT_DBG(pm8001_ha,
859 		pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
860 	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
861 
862 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
863 	PM8001_INIT_DBG(pm8001_ha,
864 		pm8001_printk("PCIE - Event Interrupt  = 0x%x\n", regVal));
865 	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
866 
867 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
868 	PM8001_INIT_DBG(pm8001_ha,
869 		pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
870 	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
871 
872 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
873 	PM8001_INIT_DBG(pm8001_ha,
874 		pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
875 	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
876 
877 	/* read the scratch pad 1 register bit 2 */
878 	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
879 		& SCRATCH_PAD1_RST;
880 	toggleVal = regVal ^ SCRATCH_PAD1_RST;
881 
882 	/* set signature in host scratch pad0 register to tell SPC that the
883 	host performs the soft reset */
884 	pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
885 
886 	/* read required registers for confirmming */
887 	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
888 	if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
889 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
890 		PM8001_FAIL_DBG(pm8001_ha,
891 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
892 			GSM_ADDR_BASE));
893 		return -1;
894 	}
895 	PM8001_INIT_DBG(pm8001_ha,
896 		pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
897 		" Reset = 0x%x\n",
898 		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
899 
900 	/* step 3: host read GSM Configuration and Reset register */
901 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
902 	/* Put those bits to low */
903 	/* GSM XCBI offset = 0x70 0000
904 	0x00 Bit 13 COM_SLV_SW_RSTB 1
905 	0x00 Bit 12 QSSP_SW_RSTB 1
906 	0x00 Bit 11 RAAE_SW_RSTB 1
907 	0x00 Bit 9 RB_1_SW_RSTB 1
908 	0x00 Bit 8 SM_SW_RSTB 1
909 	*/
910 	regVal &= ~(0x00003b00);
911 	/* host write GSM Configuration and Reset register */
912 	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
913 	PM8001_INIT_DBG(pm8001_ha,
914 		pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
915 		"Configuration and Reset is set to = 0x%x\n",
916 		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
917 
918 	/* step 4: */
919 	/* disable GSM - Read Address Parity Check */
920 	regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
921 	PM8001_INIT_DBG(pm8001_ha,
922 		pm8001_printk("GSM 0x700038 - Read Address Parity Check "
923 		"Enable = 0x%x\n", regVal1));
924 	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
925 	PM8001_INIT_DBG(pm8001_ha,
926 		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
927 		"is set to = 0x%x\n",
928 		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
929 
930 	/* disable GSM - Write Address Parity Check */
931 	regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
932 	PM8001_INIT_DBG(pm8001_ha,
933 		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
934 		" Enable = 0x%x\n", regVal2));
935 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
936 	PM8001_INIT_DBG(pm8001_ha,
937 		pm8001_printk("GSM 0x700040 - Write Address Parity Check "
938 		"Enable is set to = 0x%x\n",
939 		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
940 
941 	/* disable GSM - Write Data Parity Check */
942 	regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
943 	PM8001_INIT_DBG(pm8001_ha,
944 		pm8001_printk("GSM 0x300048 - Write Data Parity Check"
945 		" Enable = 0x%x\n", regVal3));
946 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
947 	PM8001_INIT_DBG(pm8001_ha,
948 		pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
949 		"is set to = 0x%x\n",
950 	pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
951 
952 	/* step 5: delay 10 usec */
953 	udelay(10);
954 	/* step 5-b: set GPIO-0 output control to tristate anyway */
955 	if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
956 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
957 		PM8001_INIT_DBG(pm8001_ha,
958 				pm8001_printk("Shift Bar4 to 0x%x failed\n",
959 				GPIO_ADDR_BASE));
960 		return -1;
961 	}
962 	regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
963 		PM8001_INIT_DBG(pm8001_ha,
964 				pm8001_printk("GPIO Output Control Register:"
965 				" = 0x%x\n", regVal));
966 	/* set GPIO-0 output control to tri-state */
967 	regVal &= 0xFFFFFFFC;
968 	pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
969 
970 	/* Step 6: Reset the IOP and AAP1 */
971 	/* map 0x00000 to BAR4(0x20), BAR2(win) */
972 	if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
973 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
974 		PM8001_FAIL_DBG(pm8001_ha,
975 			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
976 			SPC_TOP_LEVEL_ADDR_BASE));
977 		return -1;
978 	}
979 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
980 	PM8001_INIT_DBG(pm8001_ha,
981 		pm8001_printk("Top Register before resetting IOP/AAP1"
982 		":= 0x%x\n", regVal));
983 	regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
984 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
985 
986 	/* step 7: Reset the BDMA/OSSP */
987 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
988 	PM8001_INIT_DBG(pm8001_ha,
989 		pm8001_printk("Top Register before resetting BDMA/OSSP"
990 		": = 0x%x\n", regVal));
991 	regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
992 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
993 
994 	/* step 8: delay 10 usec */
995 	udelay(10);
996 
997 	/* step 9: bring the BDMA and OSSP out of reset */
998 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
999 	PM8001_INIT_DBG(pm8001_ha,
1000 		pm8001_printk("Top Register before bringing up BDMA/OSSP"
1001 		":= 0x%x\n", regVal));
1002 	regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
1003 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1004 
1005 	/* step 10: delay 10 usec */
1006 	udelay(10);
1007 
1008 	/* step 11: reads and sets the GSM Configuration and Reset Register */
1009 	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
1010 	if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
1011 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1012 		PM8001_FAIL_DBG(pm8001_ha,
1013 			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
1014 			GSM_ADDR_BASE));
1015 		return -1;
1016 	}
1017 	PM8001_INIT_DBG(pm8001_ha,
1018 		pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
1019 		"Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
1020 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
1021 	/* Put those bits to high */
1022 	/* GSM XCBI offset = 0x70 0000
1023 	0x00 Bit 13 COM_SLV_SW_RSTB 1
1024 	0x00 Bit 12 QSSP_SW_RSTB 1
1025 	0x00 Bit 11 RAAE_SW_RSTB 1
1026 	0x00 Bit 9   RB_1_SW_RSTB 1
1027 	0x00 Bit 8   SM_SW_RSTB 1
1028 	*/
1029 	regVal |= (GSM_CONFIG_RESET_VALUE);
1030 	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
1031 	PM8001_INIT_DBG(pm8001_ha,
1032 		pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
1033 		" Configuration and Reset is set to = 0x%x\n",
1034 		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
1035 
1036 	/* step 12: Restore GSM - Read Address Parity Check */
1037 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
1038 	/* just for debugging */
1039 	PM8001_INIT_DBG(pm8001_ha,
1040 		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
1041 		" = 0x%x\n", regVal));
1042 	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
1043 	PM8001_INIT_DBG(pm8001_ha,
1044 		pm8001_printk("GSM 0x700038 - Read Address Parity"
1045 		" Check Enable is set to = 0x%x\n",
1046 		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
1047 	/* Restore GSM - Write Address Parity Check */
1048 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
1049 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
1050 	PM8001_INIT_DBG(pm8001_ha,
1051 		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
1052 		" Enable is set to = 0x%x\n",
1053 		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
1054 	/* Restore GSM - Write Data Parity Check */
1055 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
1056 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
1057 	PM8001_INIT_DBG(pm8001_ha,
1058 		pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
1059 		"is set to = 0x%x\n",
1060 		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
1061 
1062 	/* step 13: bring the IOP and AAP1 out of reset */
1063 	/* map 0x00000 to BAR4(0x20), BAR2(win) */
1064 	if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1065 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1066 		PM8001_FAIL_DBG(pm8001_ha,
1067 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
1068 			SPC_TOP_LEVEL_ADDR_BASE));
1069 		return -1;
1070 	}
1071 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1072 	regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1073 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1074 
1075 	/* step 14: delay 10 usec - Normal Mode */
1076 	udelay(10);
1077 	/* check Soft Reset Normal mode or Soft Reset HDA mode */
1078 	if (signature == SPC_SOFT_RESET_SIGNATURE) {
1079 		/* step 15 (Normal Mode): wait until scratch pad1 register
1080 		bit 2 toggled */
1081 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1082 		do {
1083 			udelay(1);
1084 			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1085 				SCRATCH_PAD1_RST;
1086 		} while ((regVal != toggleVal) && (--max_wait_count));
1087 
1088 		if (!max_wait_count) {
1089 			regVal = pm8001_cr32(pm8001_ha, 0,
1090 				MSGU_SCRATCH_PAD_1);
1091 			PM8001_FAIL_DBG(pm8001_ha,
1092 				pm8001_printk("TIMEOUT : ToggleVal 0x%x,"
1093 				"MSGU_SCRATCH_PAD1 = 0x%x\n",
1094 				toggleVal, regVal));
1095 			PM8001_FAIL_DBG(pm8001_ha,
1096 				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1097 				pm8001_cr32(pm8001_ha, 0,
1098 				MSGU_SCRATCH_PAD_0)));
1099 			PM8001_FAIL_DBG(pm8001_ha,
1100 				pm8001_printk("SCRATCH_PAD2 value = 0x%x\n",
1101 				pm8001_cr32(pm8001_ha, 0,
1102 				MSGU_SCRATCH_PAD_2)));
1103 			PM8001_FAIL_DBG(pm8001_ha,
1104 				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1105 				pm8001_cr32(pm8001_ha, 0,
1106 				MSGU_SCRATCH_PAD_3)));
1107 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1108 			return -1;
1109 		}
1110 
1111 		/* step 16 (Normal) - Clear ODMR and ODCR */
1112 		pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1113 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1114 
1115 		/* step 17 (Normal Mode): wait for the FW and IOP to get
1116 		ready - 1 sec timeout */
1117 		/* Wait for the SPC Configuration Table to be ready */
1118 		if (check_fw_ready(pm8001_ha) == -1) {
1119 			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1120 			/* return error if MPI Configuration Table not ready */
1121 			PM8001_INIT_DBG(pm8001_ha,
1122 				pm8001_printk("FW not ready SCRATCH_PAD1"
1123 				" = 0x%x\n", regVal));
1124 			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1125 			/* return error if MPI Configuration Table not ready */
1126 			PM8001_INIT_DBG(pm8001_ha,
1127 				pm8001_printk("FW not ready SCRATCH_PAD2"
1128 				" = 0x%x\n", regVal));
1129 			PM8001_INIT_DBG(pm8001_ha,
1130 				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1131 				pm8001_cr32(pm8001_ha, 0,
1132 				MSGU_SCRATCH_PAD_0)));
1133 			PM8001_INIT_DBG(pm8001_ha,
1134 				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1135 				pm8001_cr32(pm8001_ha, 0,
1136 				MSGU_SCRATCH_PAD_3)));
1137 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1138 			return -1;
1139 		}
1140 	}
1141 	pm8001_bar4_shift(pm8001_ha, 0);
1142 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1143 
1144 	PM8001_INIT_DBG(pm8001_ha,
1145 		pm8001_printk("SPC soft reset Complete\n"));
1146 	return 0;
1147 }
1148 
1149 static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1150 {
1151 	u32 i;
1152 	u32 regVal;
1153 	PM8001_INIT_DBG(pm8001_ha,
1154 		pm8001_printk("chip reset start\n"));
1155 
1156 	/* do SPC chip reset. */
1157 	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1158 	regVal &= ~(SPC_REG_RESET_DEVICE);
1159 	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1160 
1161 	/* delay 10 usec */
1162 	udelay(10);
1163 
1164 	/* bring chip reset out of reset */
1165 	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1166 	regVal |= SPC_REG_RESET_DEVICE;
1167 	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1168 
1169 	/* delay 10 usec */
1170 	udelay(10);
1171 
1172 	/* wait for 20 msec until the firmware gets reloaded */
1173 	i = 20;
1174 	do {
1175 		mdelay(1);
1176 	} while ((--i) != 0);
1177 
1178 	PM8001_INIT_DBG(pm8001_ha,
1179 		pm8001_printk("chip reset finished\n"));
1180 }
1181 
1182 /**
1183  * pm8001_chip_iounmap - which maped when initialized.
1184  * @pm8001_ha: our hba card information
1185  */
1186 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1187 {
1188 	s8 bar, logical = 0;
1189 	for (bar = 0; bar < 6; bar++) {
1190 		/*
1191 		** logical BARs for SPC:
1192 		** bar 0 and 1 - logical BAR0
1193 		** bar 2 and 3 - logical BAR1
1194 		** bar4 - logical BAR2
1195 		** bar5 - logical BAR3
1196 		** Skip the appropriate assignments:
1197 		*/
1198 		if ((bar == 1) || (bar == 3))
1199 			continue;
1200 		if (pm8001_ha->io_mem[logical].memvirtaddr) {
1201 			iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1202 			logical++;
1203 		}
1204 	}
1205 }
1206 
1207 /**
1208  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1209  * @pm8001_ha: our hba card information
1210  */
1211 static void
1212 pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1213 {
1214 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1215 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1216 }
1217 
1218  /**
1219   * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1220   * @pm8001_ha: our hba card information
1221   */
1222 static void
1223 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1224 {
1225 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1226 }
1227 
1228 /**
1229  * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1230  * @pm8001_ha: our hba card information
1231  */
1232 static void
1233 pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1234 	u32 int_vec_idx)
1235 {
1236 	u32 msi_index;
1237 	u32 value;
1238 	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1239 	msi_index += MSIX_TABLE_BASE;
1240 	pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1241 	value = (1 << int_vec_idx);
1242 	pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1243 
1244 }
1245 
1246 /**
1247  * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1248  * @pm8001_ha: our hba card information
1249  */
1250 static void
1251 pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1252 	u32 int_vec_idx)
1253 {
1254 	u32 msi_index;
1255 	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1256 	msi_index += MSIX_TABLE_BASE;
1257 	pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1258 }
1259 
1260 /**
1261  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1262  * @pm8001_ha: our hba card information
1263  */
1264 static void
1265 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1266 {
1267 #ifdef PM8001_USE_MSIX
1268 	pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1269 	return;
1270 #endif
1271 	pm8001_chip_intx_interrupt_enable(pm8001_ha);
1272 
1273 }
1274 
1275 /**
1276  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1277  * @pm8001_ha: our hba card information
1278  */
1279 static void
1280 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1281 {
1282 #ifdef PM8001_USE_MSIX
1283 	pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1284 	return;
1285 #endif
1286 	pm8001_chip_intx_interrupt_disable(pm8001_ha);
1287 
1288 }
1289 
1290 /**
1291  * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1292  * inbound queue.
1293  * @circularQ: the inbound queue  we want to transfer to HBA.
1294  * @messageSize: the message size of this transfer, normally it is 64 bytes
1295  * @messagePtr: the pointer to message.
1296  */
1297 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1298 			    u16 messageSize, void **messagePtr)
1299 {
1300 	u32 offset, consumer_index;
1301 	struct mpi_msg_hdr *msgHeader;
1302 	u8 bcCount = 1; /* only support single buffer */
1303 
1304 	/* Checks is the requested message size can be allocated in this queue*/
1305 	if (messageSize > IOMB_SIZE_SPCV) {
1306 		*messagePtr = NULL;
1307 		return -1;
1308 	}
1309 
1310 	/* Stores the new consumer index */
1311 	consumer_index = pm8001_read_32(circularQ->ci_virt);
1312 	circularQ->consumer_index = cpu_to_le32(consumer_index);
1313 	if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1314 		le32_to_cpu(circularQ->consumer_index)) {
1315 		*messagePtr = NULL;
1316 		return -1;
1317 	}
1318 	/* get memory IOMB buffer address */
1319 	offset = circularQ->producer_idx * messageSize;
1320 	/* increment to next bcCount element */
1321 	circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1322 				% PM8001_MPI_QUEUE;
1323 	/* Adds that distance to the base of the region virtual address plus
1324 	the message header size*/
1325 	msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt	+ offset);
1326 	*messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1327 	return 0;
1328 }
1329 
1330 /**
1331  * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1332  * FW to tell the fw to get this message from IOMB.
1333  * @pm8001_ha: our hba card information
1334  * @circularQ: the inbound queue we want to transfer to HBA.
1335  * @opCode: the operation code represents commands which LLDD and fw recognized.
1336  * @payload: the command payload of each operation command.
1337  */
1338 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1339 			 struct inbound_queue_table *circularQ,
1340 			 u32 opCode, void *payload, u32 responseQueue)
1341 {
1342 	u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1343 	void *pMessage;
1344 
1345 	if (pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1346 		&pMessage) < 0) {
1347 		PM8001_IO_DBG(pm8001_ha,
1348 			pm8001_printk("No free mpi buffer\n"));
1349 		return -ENOMEM;
1350 	}
1351 	BUG_ON(!payload);
1352 	/*Copy to the payload*/
1353 	memcpy(pMessage, payload, (pm8001_ha->iomb_size -
1354 				sizeof(struct mpi_msg_hdr)));
1355 
1356 	/*Build the header*/
1357 	Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1358 		| ((responseQueue & 0x3F) << 16)
1359 		| ((category & 0xF) << 12) | (opCode & 0xFFF));
1360 
1361 	pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1362 	/*Update the PI to the firmware*/
1363 	pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1364 		circularQ->pi_offset, circularQ->producer_idx);
1365 	PM8001_IO_DBG(pm8001_ha,
1366 		pm8001_printk("INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1367 			responseQueue, opCode, circularQ->producer_idx,
1368 			circularQ->consumer_index));
1369 	return 0;
1370 }
1371 
1372 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1373 			    struct outbound_queue_table *circularQ, u8 bc)
1374 {
1375 	u32 producer_index;
1376 	struct mpi_msg_hdr *msgHeader;
1377 	struct mpi_msg_hdr *pOutBoundMsgHeader;
1378 
1379 	msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1380 	pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1381 				circularQ->consumer_idx * pm8001_ha->iomb_size);
1382 	if (pOutBoundMsgHeader != msgHeader) {
1383 		PM8001_FAIL_DBG(pm8001_ha,
1384 			pm8001_printk("consumer_idx = %d msgHeader = %p\n",
1385 			circularQ->consumer_idx, msgHeader));
1386 
1387 		/* Update the producer index from SPC */
1388 		producer_index = pm8001_read_32(circularQ->pi_virt);
1389 		circularQ->producer_index = cpu_to_le32(producer_index);
1390 		PM8001_FAIL_DBG(pm8001_ha,
1391 			pm8001_printk("consumer_idx = %d producer_index = %d"
1392 			"msgHeader = %p\n", circularQ->consumer_idx,
1393 			circularQ->producer_index, msgHeader));
1394 		return 0;
1395 	}
1396 	/* free the circular queue buffer elements associated with the message*/
1397 	circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1398 				% PM8001_MPI_QUEUE;
1399 	/* update the CI of outbound queue */
1400 	pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1401 		circularQ->consumer_idx);
1402 	/* Update the producer index from SPC*/
1403 	producer_index = pm8001_read_32(circularQ->pi_virt);
1404 	circularQ->producer_index = cpu_to_le32(producer_index);
1405 	PM8001_IO_DBG(pm8001_ha,
1406 		pm8001_printk(" CI=%d PI=%d\n", circularQ->consumer_idx,
1407 		circularQ->producer_index));
1408 	return 0;
1409 }
1410 
1411 /**
1412  * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1413  * message table.
1414  * @pm8001_ha: our hba card information
1415  * @circularQ: the outbound queue  table.
1416  * @messagePtr1: the message contents of this outbound message.
1417  * @pBC: the message size.
1418  */
1419 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1420 			   struct outbound_queue_table *circularQ,
1421 			   void **messagePtr1, u8 *pBC)
1422 {
1423 	struct mpi_msg_hdr	*msgHeader;
1424 	__le32	msgHeader_tmp;
1425 	u32 header_tmp;
1426 	do {
1427 		/* If there are not-yet-delivered messages ... */
1428 		if (le32_to_cpu(circularQ->producer_index)
1429 			!= circularQ->consumer_idx) {
1430 			/*Get the pointer to the circular queue buffer element*/
1431 			msgHeader = (struct mpi_msg_hdr *)
1432 				(circularQ->base_virt +
1433 				circularQ->consumer_idx * pm8001_ha->iomb_size);
1434 			/* read header */
1435 			header_tmp = pm8001_read_32(msgHeader);
1436 			msgHeader_tmp = cpu_to_le32(header_tmp);
1437 			if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1438 				if (OPC_OUB_SKIP_ENTRY !=
1439 					(le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1440 					*messagePtr1 =
1441 						((u8 *)msgHeader) +
1442 						sizeof(struct mpi_msg_hdr);
1443 					*pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1444 						>> 24) & 0x1f);
1445 					PM8001_IO_DBG(pm8001_ha,
1446 						pm8001_printk(": CI=%d PI=%d "
1447 						"msgHeader=%x\n",
1448 						circularQ->consumer_idx,
1449 						circularQ->producer_index,
1450 						msgHeader_tmp));
1451 					return MPI_IO_STATUS_SUCCESS;
1452 				} else {
1453 					circularQ->consumer_idx =
1454 						(circularQ->consumer_idx +
1455 						((le32_to_cpu(msgHeader_tmp)
1456 						 >> 24) & 0x1f))
1457 							% PM8001_MPI_QUEUE;
1458 					msgHeader_tmp = 0;
1459 					pm8001_write_32(msgHeader, 0, 0);
1460 					/* update the CI of outbound queue */
1461 					pm8001_cw32(pm8001_ha,
1462 						circularQ->ci_pci_bar,
1463 						circularQ->ci_offset,
1464 						circularQ->consumer_idx);
1465 				}
1466 			} else {
1467 				circularQ->consumer_idx =
1468 					(circularQ->consumer_idx +
1469 					((le32_to_cpu(msgHeader_tmp) >> 24) &
1470 					0x1f)) % PM8001_MPI_QUEUE;
1471 				msgHeader_tmp = 0;
1472 				pm8001_write_32(msgHeader, 0, 0);
1473 				/* update the CI of outbound queue */
1474 				pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1475 					circularQ->ci_offset,
1476 					circularQ->consumer_idx);
1477 				return MPI_IO_STATUS_FAIL;
1478 			}
1479 		} else {
1480 			u32 producer_index;
1481 			void *pi_virt = circularQ->pi_virt;
1482 			/* spurious interrupt during setup if
1483 			 * kexec-ing and driver doing a doorbell access
1484 			 * with the pre-kexec oq interrupt setup
1485 			 */
1486 			if (!pi_virt)
1487 				break;
1488 			/* Update the producer index from SPC */
1489 			producer_index = pm8001_read_32(pi_virt);
1490 			circularQ->producer_index = cpu_to_le32(producer_index);
1491 		}
1492 	} while (le32_to_cpu(circularQ->producer_index) !=
1493 		circularQ->consumer_idx);
1494 	/* while we don't have any more not-yet-delivered message */
1495 	/* report empty */
1496 	return MPI_IO_STATUS_BUSY;
1497 }
1498 
1499 void pm8001_work_fn(struct work_struct *work)
1500 {
1501 	struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1502 	struct pm8001_device *pm8001_dev;
1503 	struct domain_device *dev;
1504 
1505 	/*
1506 	 * So far, all users of this stash an associated structure here.
1507 	 * If we get here, and this pointer is null, then the action
1508 	 * was cancelled. This nullification happens when the device
1509 	 * goes away.
1510 	 */
1511 	pm8001_dev = pw->data; /* Most stash device structure */
1512 	if ((pm8001_dev == NULL)
1513 	 || ((pw->handler != IO_XFER_ERROR_BREAK)
1514 	  && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1515 		kfree(pw);
1516 		return;
1517 	}
1518 
1519 	switch (pw->handler) {
1520 	case IO_XFER_ERROR_BREAK:
1521 	{	/* This one stashes the sas_task instead */
1522 		struct sas_task *t = (struct sas_task *)pm8001_dev;
1523 		u32 tag;
1524 		struct pm8001_ccb_info *ccb;
1525 		struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1526 		unsigned long flags, flags1;
1527 		struct task_status_struct *ts;
1528 		int i;
1529 
1530 		if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1531 			break; /* Task still on lu */
1532 		spin_lock_irqsave(&pm8001_ha->lock, flags);
1533 
1534 		spin_lock_irqsave(&t->task_state_lock, flags1);
1535 		if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1536 			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1537 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1538 			break; /* Task got completed by another */
1539 		}
1540 		spin_unlock_irqrestore(&t->task_state_lock, flags1);
1541 
1542 		/* Search for a possible ccb that matches the task */
1543 		for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1544 			ccb = &pm8001_ha->ccb_info[i];
1545 			tag = ccb->ccb_tag;
1546 			if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1547 				break;
1548 		}
1549 		if (!ccb) {
1550 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1551 			break; /* Task got freed by another */
1552 		}
1553 		ts = &t->task_status;
1554 		ts->resp = SAS_TASK_COMPLETE;
1555 		/* Force the midlayer to retry */
1556 		ts->stat = SAS_QUEUE_FULL;
1557 		pm8001_dev = ccb->device;
1558 		if (pm8001_dev)
1559 			pm8001_dev->running_req--;
1560 		spin_lock_irqsave(&t->task_state_lock, flags1);
1561 		t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1562 		t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1563 		t->task_state_flags |= SAS_TASK_STATE_DONE;
1564 		if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1565 			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1566 			PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p"
1567 				" done with event 0x%x resp 0x%x stat 0x%x but"
1568 				" aborted by upper layer!\n",
1569 				t, pw->handler, ts->resp, ts->stat));
1570 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1571 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1572 		} else {
1573 			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1574 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1575 			mb();/* in order to force CPU ordering */
1576 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1577 			t->task_done(t);
1578 		}
1579 	}	break;
1580 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1581 	{	/* This one stashes the sas_task instead */
1582 		struct sas_task *t = (struct sas_task *)pm8001_dev;
1583 		u32 tag;
1584 		struct pm8001_ccb_info *ccb;
1585 		struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1586 		unsigned long flags, flags1;
1587 		int i, ret = 0;
1588 
1589 		PM8001_IO_DBG(pm8001_ha,
1590 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1591 
1592 		ret = pm8001_query_task(t);
1593 
1594 		PM8001_IO_DBG(pm8001_ha,
1595 			switch (ret) {
1596 			case TMF_RESP_FUNC_SUCC:
1597 				pm8001_printk("...Task on lu\n");
1598 				break;
1599 
1600 			case TMF_RESP_FUNC_COMPLETE:
1601 				pm8001_printk("...Task NOT on lu\n");
1602 				break;
1603 
1604 			default:
1605 				pm8001_printk("...query task failed!!!\n");
1606 				break;
1607 			});
1608 
1609 		spin_lock_irqsave(&pm8001_ha->lock, flags);
1610 
1611 		spin_lock_irqsave(&t->task_state_lock, flags1);
1612 
1613 		if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1614 			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1615 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1616 			if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1617 				(void)pm8001_abort_task(t);
1618 			break; /* Task got completed by another */
1619 		}
1620 
1621 		spin_unlock_irqrestore(&t->task_state_lock, flags1);
1622 
1623 		/* Search for a possible ccb that matches the task */
1624 		for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1625 			ccb = &pm8001_ha->ccb_info[i];
1626 			tag = ccb->ccb_tag;
1627 			if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1628 				break;
1629 		}
1630 		if (!ccb) {
1631 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1632 			if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1633 				(void)pm8001_abort_task(t);
1634 			break; /* Task got freed by another */
1635 		}
1636 
1637 		pm8001_dev = ccb->device;
1638 		dev = pm8001_dev->sas_device;
1639 
1640 		switch (ret) {
1641 		case TMF_RESP_FUNC_SUCC: /* task on lu */
1642 			ccb->open_retry = 1; /* Snub completion */
1643 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1644 			ret = pm8001_abort_task(t);
1645 			ccb->open_retry = 0;
1646 			switch (ret) {
1647 			case TMF_RESP_FUNC_SUCC:
1648 			case TMF_RESP_FUNC_COMPLETE:
1649 				break;
1650 			default: /* device misbehavior */
1651 				ret = TMF_RESP_FUNC_FAILED;
1652 				PM8001_IO_DBG(pm8001_ha,
1653 					pm8001_printk("...Reset phy\n"));
1654 				pm8001_I_T_nexus_reset(dev);
1655 				break;
1656 			}
1657 			break;
1658 
1659 		case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1660 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1661 			/* Do we need to abort the task locally? */
1662 			break;
1663 
1664 		default: /* device misbehavior */
1665 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1666 			ret = TMF_RESP_FUNC_FAILED;
1667 			PM8001_IO_DBG(pm8001_ha,
1668 				pm8001_printk("...Reset phy\n"));
1669 			pm8001_I_T_nexus_reset(dev);
1670 		}
1671 
1672 		if (ret == TMF_RESP_FUNC_FAILED)
1673 			t = NULL;
1674 		pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1675 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("...Complete\n"));
1676 	}	break;
1677 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1678 		dev = pm8001_dev->sas_device;
1679 		pm8001_I_T_nexus_event_handler(dev);
1680 		break;
1681 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1682 		dev = pm8001_dev->sas_device;
1683 		pm8001_I_T_nexus_reset(dev);
1684 		break;
1685 	case IO_DS_IN_ERROR:
1686 		dev = pm8001_dev->sas_device;
1687 		pm8001_I_T_nexus_reset(dev);
1688 		break;
1689 	case IO_DS_NON_OPERATIONAL:
1690 		dev = pm8001_dev->sas_device;
1691 		pm8001_I_T_nexus_reset(dev);
1692 		break;
1693 	}
1694 	kfree(pw);
1695 }
1696 
1697 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1698 			       int handler)
1699 {
1700 	struct pm8001_work *pw;
1701 	int ret = 0;
1702 
1703 	pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1704 	if (pw) {
1705 		pw->pm8001_ha = pm8001_ha;
1706 		pw->data = data;
1707 		pw->handler = handler;
1708 		INIT_WORK(&pw->work, pm8001_work_fn);
1709 		queue_work(pm8001_wq, &pw->work);
1710 	} else
1711 		ret = -ENOMEM;
1712 
1713 	return ret;
1714 }
1715 
1716 static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1717 		struct pm8001_device *pm8001_ha_dev)
1718 {
1719 	int res;
1720 	u32 ccb_tag;
1721 	struct pm8001_ccb_info *ccb;
1722 	struct sas_task *task = NULL;
1723 	struct task_abort_req task_abort;
1724 	struct inbound_queue_table *circularQ;
1725 	u32 opc = OPC_INB_SATA_ABORT;
1726 	int ret;
1727 
1728 	if (!pm8001_ha_dev) {
1729 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1730 		return;
1731 	}
1732 
1733 	task = sas_alloc_slow_task(GFP_ATOMIC);
1734 
1735 	if (!task) {
1736 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1737 						"allocate task\n"));
1738 		return;
1739 	}
1740 
1741 	task->task_done = pm8001_task_done;
1742 
1743 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1744 	if (res)
1745 		return;
1746 
1747 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1748 	ccb->device = pm8001_ha_dev;
1749 	ccb->ccb_tag = ccb_tag;
1750 	ccb->task = task;
1751 
1752 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1753 
1754 	memset(&task_abort, 0, sizeof(task_abort));
1755 	task_abort.abort_all = cpu_to_le32(1);
1756 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1757 	task_abort.tag = cpu_to_le32(ccb_tag);
1758 
1759 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
1760 	if (ret)
1761 		pm8001_tag_free(pm8001_ha, ccb_tag);
1762 
1763 }
1764 
1765 static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
1766 		struct pm8001_device *pm8001_ha_dev)
1767 {
1768 	struct sata_start_req sata_cmd;
1769 	int res;
1770 	u32 ccb_tag;
1771 	struct pm8001_ccb_info *ccb;
1772 	struct sas_task *task = NULL;
1773 	struct host_to_dev_fis fis;
1774 	struct domain_device *dev;
1775 	struct inbound_queue_table *circularQ;
1776 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1777 
1778 	task = sas_alloc_slow_task(GFP_ATOMIC);
1779 
1780 	if (!task) {
1781 		PM8001_FAIL_DBG(pm8001_ha,
1782 			pm8001_printk("cannot allocate task !!!\n"));
1783 		return;
1784 	}
1785 	task->task_done = pm8001_task_done;
1786 
1787 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1788 	if (res) {
1789 		sas_free_task(task);
1790 		PM8001_FAIL_DBG(pm8001_ha,
1791 			pm8001_printk("cannot allocate tag !!!\n"));
1792 		return;
1793 	}
1794 
1795 	/* allocate domain device by ourselves as libsas
1796 	 * is not going to provide any
1797 	*/
1798 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1799 	if (!dev) {
1800 		sas_free_task(task);
1801 		pm8001_tag_free(pm8001_ha, ccb_tag);
1802 		PM8001_FAIL_DBG(pm8001_ha,
1803 			pm8001_printk("Domain device cannot be allocated\n"));
1804 		return;
1805 	}
1806 	task->dev = dev;
1807 	task->dev->lldd_dev = pm8001_ha_dev;
1808 
1809 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1810 	ccb->device = pm8001_ha_dev;
1811 	ccb->ccb_tag = ccb_tag;
1812 	ccb->task = task;
1813 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1814 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1815 
1816 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1817 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1818 
1819 	/* construct read log FIS */
1820 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1821 	fis.fis_type = 0x27;
1822 	fis.flags = 0x80;
1823 	fis.command = ATA_CMD_READ_LOG_EXT;
1824 	fis.lbal = 0x10;
1825 	fis.sector_count = 0x1;
1826 
1827 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1828 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1829 	sata_cmd.ncqtag_atap_dir_m |= ((0x1 << 7) | (0x5 << 9));
1830 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1831 
1832 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
1833 	if (res) {
1834 		sas_free_task(task);
1835 		pm8001_tag_free(pm8001_ha, ccb_tag);
1836 		kfree(dev);
1837 	}
1838 }
1839 
1840 /**
1841  * mpi_ssp_completion- process the event that FW response to the SSP request.
1842  * @pm8001_ha: our hba card information
1843  * @piomb: the message contents of this outbound message.
1844  *
1845  * When FW has completed a ssp request for example a IO request, after it has
1846  * filled the SG data with the data, it will trigger this event represent
1847  * that he has finished the job,please check the coresponding buffer.
1848  * So we will tell the caller who maybe waiting the result to tell upper layer
1849  * that the task has been finished.
1850  */
1851 static void
1852 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1853 {
1854 	struct sas_task *t;
1855 	struct pm8001_ccb_info *ccb;
1856 	unsigned long flags;
1857 	u32 status;
1858 	u32 param;
1859 	u32 tag;
1860 	struct ssp_completion_resp *psspPayload;
1861 	struct task_status_struct *ts;
1862 	struct ssp_response_iu *iu;
1863 	struct pm8001_device *pm8001_dev;
1864 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1865 	status = le32_to_cpu(psspPayload->status);
1866 	tag = le32_to_cpu(psspPayload->tag);
1867 	ccb = &pm8001_ha->ccb_info[tag];
1868 	if ((status == IO_ABORTED) && ccb->open_retry) {
1869 		/* Being completed by another */
1870 		ccb->open_retry = 0;
1871 		return;
1872 	}
1873 	pm8001_dev = ccb->device;
1874 	param = le32_to_cpu(psspPayload->param);
1875 
1876 	t = ccb->task;
1877 
1878 	if (status && status != IO_UNDERFLOW)
1879 		PM8001_FAIL_DBG(pm8001_ha,
1880 			pm8001_printk("sas IO status 0x%x\n", status));
1881 	if (unlikely(!t || !t->lldd_task || !t->dev))
1882 		return;
1883 	ts = &t->task_status;
1884 	/* Print sas address of IO failed device */
1885 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1886 		(status != IO_UNDERFLOW))
1887 		PM8001_FAIL_DBG(pm8001_ha,
1888 			pm8001_printk("SAS Address of IO Failure Drive:"
1889 			"%016llx", SAS_ADDR(t->dev->sas_addr)));
1890 
1891 	switch (status) {
1892 	case IO_SUCCESS:
1893 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
1894 			",param = %d\n", param));
1895 		if (param == 0) {
1896 			ts->resp = SAS_TASK_COMPLETE;
1897 			ts->stat = SAM_STAT_GOOD;
1898 		} else {
1899 			ts->resp = SAS_TASK_COMPLETE;
1900 			ts->stat = SAS_PROTO_RESPONSE;
1901 			ts->residual = param;
1902 			iu = &psspPayload->ssp_resp_iu;
1903 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1904 		}
1905 		if (pm8001_dev)
1906 			pm8001_dev->running_req--;
1907 		break;
1908 	case IO_ABORTED:
1909 		PM8001_IO_DBG(pm8001_ha,
1910 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1911 		ts->resp = SAS_TASK_COMPLETE;
1912 		ts->stat = SAS_ABORTED_TASK;
1913 		break;
1914 	case IO_UNDERFLOW:
1915 		/* SSP Completion with error */
1916 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
1917 			",param = %d\n", param));
1918 		ts->resp = SAS_TASK_COMPLETE;
1919 		ts->stat = SAS_DATA_UNDERRUN;
1920 		ts->residual = param;
1921 		if (pm8001_dev)
1922 			pm8001_dev->running_req--;
1923 		break;
1924 	case IO_NO_DEVICE:
1925 		PM8001_IO_DBG(pm8001_ha,
1926 			pm8001_printk("IO_NO_DEVICE\n"));
1927 		ts->resp = SAS_TASK_UNDELIVERED;
1928 		ts->stat = SAS_PHY_DOWN;
1929 		break;
1930 	case IO_XFER_ERROR_BREAK:
1931 		PM8001_IO_DBG(pm8001_ha,
1932 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1933 		ts->resp = SAS_TASK_COMPLETE;
1934 		ts->stat = SAS_OPEN_REJECT;
1935 		/* Force the midlayer to retry */
1936 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1937 		break;
1938 	case IO_XFER_ERROR_PHY_NOT_READY:
1939 		PM8001_IO_DBG(pm8001_ha,
1940 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1941 		ts->resp = SAS_TASK_COMPLETE;
1942 		ts->stat = SAS_OPEN_REJECT;
1943 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1944 		break;
1945 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1946 		PM8001_IO_DBG(pm8001_ha,
1947 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1948 		ts->resp = SAS_TASK_COMPLETE;
1949 		ts->stat = SAS_OPEN_REJECT;
1950 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1951 		break;
1952 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1953 		PM8001_IO_DBG(pm8001_ha,
1954 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1955 		ts->resp = SAS_TASK_COMPLETE;
1956 		ts->stat = SAS_OPEN_REJECT;
1957 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1958 		break;
1959 	case IO_OPEN_CNX_ERROR_BREAK:
1960 		PM8001_IO_DBG(pm8001_ha,
1961 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1962 		ts->resp = SAS_TASK_COMPLETE;
1963 		ts->stat = SAS_OPEN_REJECT;
1964 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1965 		break;
1966 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1967 		PM8001_IO_DBG(pm8001_ha,
1968 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1969 		ts->resp = SAS_TASK_COMPLETE;
1970 		ts->stat = SAS_OPEN_REJECT;
1971 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1972 		if (!t->uldd_task)
1973 			pm8001_handle_event(pm8001_ha,
1974 				pm8001_dev,
1975 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1976 		break;
1977 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1978 		PM8001_IO_DBG(pm8001_ha,
1979 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1980 		ts->resp = SAS_TASK_COMPLETE;
1981 		ts->stat = SAS_OPEN_REJECT;
1982 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1983 		break;
1984 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1985 		PM8001_IO_DBG(pm8001_ha,
1986 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1987 			"NOT_SUPPORTED\n"));
1988 		ts->resp = SAS_TASK_COMPLETE;
1989 		ts->stat = SAS_OPEN_REJECT;
1990 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1991 		break;
1992 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1993 		PM8001_IO_DBG(pm8001_ha,
1994 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1995 		ts->resp = SAS_TASK_UNDELIVERED;
1996 		ts->stat = SAS_OPEN_REJECT;
1997 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1998 		break;
1999 	case IO_XFER_ERROR_NAK_RECEIVED:
2000 		PM8001_IO_DBG(pm8001_ha,
2001 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2002 		ts->resp = SAS_TASK_COMPLETE;
2003 		ts->stat = SAS_OPEN_REJECT;
2004 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2005 		break;
2006 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2007 		PM8001_IO_DBG(pm8001_ha,
2008 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2009 		ts->resp = SAS_TASK_COMPLETE;
2010 		ts->stat = SAS_NAK_R_ERR;
2011 		break;
2012 	case IO_XFER_ERROR_DMA:
2013 		PM8001_IO_DBG(pm8001_ha,
2014 		pm8001_printk("IO_XFER_ERROR_DMA\n"));
2015 		ts->resp = SAS_TASK_COMPLETE;
2016 		ts->stat = SAS_OPEN_REJECT;
2017 		break;
2018 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2019 		PM8001_IO_DBG(pm8001_ha,
2020 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2021 		ts->resp = SAS_TASK_COMPLETE;
2022 		ts->stat = SAS_OPEN_REJECT;
2023 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2024 		break;
2025 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2026 		PM8001_IO_DBG(pm8001_ha,
2027 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2028 		ts->resp = SAS_TASK_COMPLETE;
2029 		ts->stat = SAS_OPEN_REJECT;
2030 		break;
2031 	case IO_PORT_IN_RESET:
2032 		PM8001_IO_DBG(pm8001_ha,
2033 			pm8001_printk("IO_PORT_IN_RESET\n"));
2034 		ts->resp = SAS_TASK_COMPLETE;
2035 		ts->stat = SAS_OPEN_REJECT;
2036 		break;
2037 	case IO_DS_NON_OPERATIONAL:
2038 		PM8001_IO_DBG(pm8001_ha,
2039 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2040 		ts->resp = SAS_TASK_COMPLETE;
2041 		ts->stat = SAS_OPEN_REJECT;
2042 		if (!t->uldd_task)
2043 			pm8001_handle_event(pm8001_ha,
2044 				pm8001_dev,
2045 				IO_DS_NON_OPERATIONAL);
2046 		break;
2047 	case IO_DS_IN_RECOVERY:
2048 		PM8001_IO_DBG(pm8001_ha,
2049 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2050 		ts->resp = SAS_TASK_COMPLETE;
2051 		ts->stat = SAS_OPEN_REJECT;
2052 		break;
2053 	case IO_TM_TAG_NOT_FOUND:
2054 		PM8001_IO_DBG(pm8001_ha,
2055 			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
2056 		ts->resp = SAS_TASK_COMPLETE;
2057 		ts->stat = SAS_OPEN_REJECT;
2058 		break;
2059 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2060 		PM8001_IO_DBG(pm8001_ha,
2061 			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
2062 		ts->resp = SAS_TASK_COMPLETE;
2063 		ts->stat = SAS_OPEN_REJECT;
2064 		break;
2065 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2066 		PM8001_IO_DBG(pm8001_ha,
2067 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2068 		ts->resp = SAS_TASK_COMPLETE;
2069 		ts->stat = SAS_OPEN_REJECT;
2070 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2071 		break;
2072 	default:
2073 		PM8001_IO_DBG(pm8001_ha,
2074 			pm8001_printk("Unknown status 0x%x\n", status));
2075 		/* not allowed case. Therefore, return failed status */
2076 		ts->resp = SAS_TASK_COMPLETE;
2077 		ts->stat = SAS_OPEN_REJECT;
2078 		break;
2079 	}
2080 	PM8001_IO_DBG(pm8001_ha,
2081 		pm8001_printk("scsi_status = %x\n ",
2082 		psspPayload->ssp_resp_iu.status));
2083 	spin_lock_irqsave(&t->task_state_lock, flags);
2084 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2085 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2086 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2087 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2088 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2089 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2090 			" io_status 0x%x resp 0x%x "
2091 			"stat 0x%x but aborted by upper layer!\n",
2092 			t, status, ts->resp, ts->stat));
2093 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2094 	} else {
2095 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2096 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2097 		mb();/* in order to force CPU ordering */
2098 		t->task_done(t);
2099 	}
2100 }
2101 
2102 /*See the comments for mpi_ssp_completion */
2103 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2104 {
2105 	struct sas_task *t;
2106 	unsigned long flags;
2107 	struct task_status_struct *ts;
2108 	struct pm8001_ccb_info *ccb;
2109 	struct pm8001_device *pm8001_dev;
2110 	struct ssp_event_resp *psspPayload =
2111 		(struct ssp_event_resp *)(piomb + 4);
2112 	u32 event = le32_to_cpu(psspPayload->event);
2113 	u32 tag = le32_to_cpu(psspPayload->tag);
2114 	u32 port_id = le32_to_cpu(psspPayload->port_id);
2115 	u32 dev_id = le32_to_cpu(psspPayload->device_id);
2116 
2117 	ccb = &pm8001_ha->ccb_info[tag];
2118 	t = ccb->task;
2119 	pm8001_dev = ccb->device;
2120 	if (event)
2121 		PM8001_FAIL_DBG(pm8001_ha,
2122 			pm8001_printk("sas IO status 0x%x\n", event));
2123 	if (unlikely(!t || !t->lldd_task || !t->dev))
2124 		return;
2125 	ts = &t->task_status;
2126 	PM8001_IO_DBG(pm8001_ha,
2127 		pm8001_printk("port_id = %x,device_id = %x\n",
2128 		port_id, dev_id));
2129 	switch (event) {
2130 	case IO_OVERFLOW:
2131 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
2132 		ts->resp = SAS_TASK_COMPLETE;
2133 		ts->stat = SAS_DATA_OVERRUN;
2134 		ts->residual = 0;
2135 		if (pm8001_dev)
2136 			pm8001_dev->running_req--;
2137 		break;
2138 	case IO_XFER_ERROR_BREAK:
2139 		PM8001_IO_DBG(pm8001_ha,
2140 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2141 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2142 		return;
2143 	case IO_XFER_ERROR_PHY_NOT_READY:
2144 		PM8001_IO_DBG(pm8001_ha,
2145 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2146 		ts->resp = SAS_TASK_COMPLETE;
2147 		ts->stat = SAS_OPEN_REJECT;
2148 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2149 		break;
2150 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2151 		PM8001_IO_DBG(pm8001_ha,
2152 			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2153 			"_SUPPORTED\n"));
2154 		ts->resp = SAS_TASK_COMPLETE;
2155 		ts->stat = SAS_OPEN_REJECT;
2156 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2157 		break;
2158 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2159 		PM8001_IO_DBG(pm8001_ha,
2160 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2161 		ts->resp = SAS_TASK_COMPLETE;
2162 		ts->stat = SAS_OPEN_REJECT;
2163 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2164 		break;
2165 	case IO_OPEN_CNX_ERROR_BREAK:
2166 		PM8001_IO_DBG(pm8001_ha,
2167 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\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_IT_NEXUS_LOSS:
2173 		PM8001_IO_DBG(pm8001_ha,
2174 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2175 		ts->resp = SAS_TASK_COMPLETE;
2176 		ts->stat = SAS_OPEN_REJECT;
2177 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2178 		if (!t->uldd_task)
2179 			pm8001_handle_event(pm8001_ha,
2180 				pm8001_dev,
2181 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2182 		break;
2183 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2184 		PM8001_IO_DBG(pm8001_ha,
2185 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2186 		ts->resp = SAS_TASK_COMPLETE;
2187 		ts->stat = SAS_OPEN_REJECT;
2188 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2189 		break;
2190 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2191 		PM8001_IO_DBG(pm8001_ha,
2192 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2193 			"NOT_SUPPORTED\n"));
2194 		ts->resp = SAS_TASK_COMPLETE;
2195 		ts->stat = SAS_OPEN_REJECT;
2196 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2197 		break;
2198 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2199 		PM8001_IO_DBG(pm8001_ha,
2200 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2201 		ts->resp = SAS_TASK_COMPLETE;
2202 		ts->stat = SAS_OPEN_REJECT;
2203 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2204 		break;
2205 	case IO_XFER_ERROR_NAK_RECEIVED:
2206 		PM8001_IO_DBG(pm8001_ha,
2207 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2208 		ts->resp = SAS_TASK_COMPLETE;
2209 		ts->stat = SAS_OPEN_REJECT;
2210 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2211 		break;
2212 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2213 		PM8001_IO_DBG(pm8001_ha,
2214 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2215 		ts->resp = SAS_TASK_COMPLETE;
2216 		ts->stat = SAS_NAK_R_ERR;
2217 		break;
2218 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2219 		PM8001_IO_DBG(pm8001_ha,
2220 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2221 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2222 		return;
2223 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2224 		PM8001_IO_DBG(pm8001_ha,
2225 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2226 		ts->resp = SAS_TASK_COMPLETE;
2227 		ts->stat = SAS_DATA_OVERRUN;
2228 		break;
2229 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2230 		PM8001_IO_DBG(pm8001_ha,
2231 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2232 		ts->resp = SAS_TASK_COMPLETE;
2233 		ts->stat = SAS_DATA_OVERRUN;
2234 		break;
2235 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2236 		PM8001_IO_DBG(pm8001_ha,
2237 		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2238 		ts->resp = SAS_TASK_COMPLETE;
2239 		ts->stat = SAS_DATA_OVERRUN;
2240 		break;
2241 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2242 		PM8001_IO_DBG(pm8001_ha,
2243 		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
2244 		ts->resp = SAS_TASK_COMPLETE;
2245 		ts->stat = SAS_DATA_OVERRUN;
2246 		break;
2247 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2248 		PM8001_IO_DBG(pm8001_ha,
2249 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2250 		ts->resp = SAS_TASK_COMPLETE;
2251 		ts->stat = SAS_DATA_OVERRUN;
2252 		break;
2253 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2254 		PM8001_IO_DBG(pm8001_ha,
2255 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2256 		ts->resp = SAS_TASK_COMPLETE;
2257 		ts->stat = SAS_DATA_OVERRUN;
2258 		break;
2259 	case IO_XFER_CMD_FRAME_ISSUED:
2260 		PM8001_IO_DBG(pm8001_ha,
2261 			pm8001_printk("  IO_XFER_CMD_FRAME_ISSUED\n"));
2262 		return;
2263 	default:
2264 		PM8001_IO_DBG(pm8001_ha,
2265 			pm8001_printk("Unknown status 0x%x\n", event));
2266 		/* not allowed case. Therefore, return failed status */
2267 		ts->resp = SAS_TASK_COMPLETE;
2268 		ts->stat = SAS_DATA_OVERRUN;
2269 		break;
2270 	}
2271 	spin_lock_irqsave(&t->task_state_lock, flags);
2272 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2273 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2274 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2275 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2276 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2277 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2278 			" event 0x%x resp 0x%x "
2279 			"stat 0x%x but aborted by upper layer!\n",
2280 			t, event, ts->resp, ts->stat));
2281 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2282 	} else {
2283 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2284 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2285 		mb();/* in order to force CPU ordering */
2286 		t->task_done(t);
2287 	}
2288 }
2289 
2290 /*See the comments for mpi_ssp_completion */
2291 static void
2292 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2293 {
2294 	struct sas_task *t;
2295 	struct pm8001_ccb_info *ccb;
2296 	u32 param;
2297 	u32 status;
2298 	u32 tag;
2299 	int i, j;
2300 	u8 sata_addr_low[4];
2301 	u32 temp_sata_addr_low;
2302 	u8 sata_addr_hi[4];
2303 	u32 temp_sata_addr_hi;
2304 	struct sata_completion_resp *psataPayload;
2305 	struct task_status_struct *ts;
2306 	struct ata_task_resp *resp ;
2307 	u32 *sata_resp;
2308 	struct pm8001_device *pm8001_dev;
2309 	unsigned long flags;
2310 
2311 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2312 	status = le32_to_cpu(psataPayload->status);
2313 	tag = le32_to_cpu(psataPayload->tag);
2314 
2315 	if (!tag) {
2316 		PM8001_FAIL_DBG(pm8001_ha,
2317 			pm8001_printk("tag null\n"));
2318 		return;
2319 	}
2320 	ccb = &pm8001_ha->ccb_info[tag];
2321 	param = le32_to_cpu(psataPayload->param);
2322 	if (ccb) {
2323 		t = ccb->task;
2324 		pm8001_dev = ccb->device;
2325 	} else {
2326 		PM8001_FAIL_DBG(pm8001_ha,
2327 			pm8001_printk("ccb null\n"));
2328 		return;
2329 	}
2330 
2331 	if (t) {
2332 		if (t->dev && (t->dev->lldd_dev))
2333 			pm8001_dev = t->dev->lldd_dev;
2334 	} else {
2335 		PM8001_FAIL_DBG(pm8001_ha,
2336 			pm8001_printk("task null\n"));
2337 		return;
2338 	}
2339 
2340 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2341 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2342 		PM8001_FAIL_DBG(pm8001_ha,
2343 			pm8001_printk("task or dev null\n"));
2344 		return;
2345 	}
2346 
2347 	ts = &t->task_status;
2348 	if (!ts) {
2349 		PM8001_FAIL_DBG(pm8001_ha,
2350 			pm8001_printk("ts null\n"));
2351 		return;
2352 	}
2353 	/* Print sas address of IO failed device */
2354 	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2355 		(status != IO_UNDERFLOW)) {
2356 		if (!((t->dev->parent) &&
2357 			(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
2358 			for (i = 0 , j = 4; j <= 7 && i <= 3; i++ , j++)
2359 				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2360 			for (i = 0 , j = 0; j <= 3 && i <= 3; i++ , j++)
2361 				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2362 			memcpy(&temp_sata_addr_low, sata_addr_low,
2363 				sizeof(sata_addr_low));
2364 			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2365 				sizeof(sata_addr_hi));
2366 			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2367 						|((temp_sata_addr_hi << 8) &
2368 						0xff0000) |
2369 						((temp_sata_addr_hi >> 8)
2370 						& 0xff00) |
2371 						((temp_sata_addr_hi << 24) &
2372 						0xff000000));
2373 			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2374 						& 0xff) |
2375 						((temp_sata_addr_low << 8)
2376 						& 0xff0000) |
2377 						((temp_sata_addr_low >> 8)
2378 						& 0xff00) |
2379 						((temp_sata_addr_low << 24)
2380 						& 0xff000000)) +
2381 						pm8001_dev->attached_phy +
2382 						0x10);
2383 			PM8001_FAIL_DBG(pm8001_ha,
2384 				pm8001_printk("SAS Address of IO Failure Drive:"
2385 				"%08x%08x", temp_sata_addr_hi,
2386 					temp_sata_addr_low));
2387 		} else {
2388 			PM8001_FAIL_DBG(pm8001_ha,
2389 				pm8001_printk("SAS Address of IO Failure Drive:"
2390 				"%016llx", SAS_ADDR(t->dev->sas_addr)));
2391 		}
2392 	}
2393 	switch (status) {
2394 	case IO_SUCCESS:
2395 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2396 		if (param == 0) {
2397 			ts->resp = SAS_TASK_COMPLETE;
2398 			ts->stat = SAM_STAT_GOOD;
2399 			/* check if response is for SEND READ LOG */
2400 			if (pm8001_dev &&
2401 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2402 				/* set new bit for abort_all */
2403 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2404 				/* clear bit for read log */
2405 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2406 				pm8001_send_abort_all(pm8001_ha, pm8001_dev);
2407 				/* Free the tag */
2408 				pm8001_tag_free(pm8001_ha, tag);
2409 				sas_free_task(t);
2410 				return;
2411 			}
2412 		} else {
2413 			u8 len;
2414 			ts->resp = SAS_TASK_COMPLETE;
2415 			ts->stat = SAS_PROTO_RESPONSE;
2416 			ts->residual = param;
2417 			PM8001_IO_DBG(pm8001_ha,
2418 				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2419 				param));
2420 			sata_resp = &psataPayload->sata_resp[0];
2421 			resp = (struct ata_task_resp *)ts->buf;
2422 			if (t->ata_task.dma_xfer == 0 &&
2423 			    t->data_dir == DMA_FROM_DEVICE) {
2424 				len = sizeof(struct pio_setup_fis);
2425 				PM8001_IO_DBG(pm8001_ha,
2426 				pm8001_printk("PIO read len = %d\n", len));
2427 			} else if (t->ata_task.use_ncq) {
2428 				len = sizeof(struct set_dev_bits_fis);
2429 				PM8001_IO_DBG(pm8001_ha,
2430 					pm8001_printk("FPDMA len = %d\n", len));
2431 			} else {
2432 				len = sizeof(struct dev_to_host_fis);
2433 				PM8001_IO_DBG(pm8001_ha,
2434 				pm8001_printk("other len = %d\n", len));
2435 			}
2436 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2437 				resp->frame_len = len;
2438 				memcpy(&resp->ending_fis[0], sata_resp, len);
2439 				ts->buf_valid_size = sizeof(*resp);
2440 			} else
2441 				PM8001_IO_DBG(pm8001_ha,
2442 					pm8001_printk("response to large\n"));
2443 		}
2444 		if (pm8001_dev)
2445 			pm8001_dev->running_req--;
2446 		break;
2447 	case IO_ABORTED:
2448 		PM8001_IO_DBG(pm8001_ha,
2449 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
2450 		ts->resp = SAS_TASK_COMPLETE;
2451 		ts->stat = SAS_ABORTED_TASK;
2452 		if (pm8001_dev)
2453 			pm8001_dev->running_req--;
2454 		break;
2455 		/* following cases are to do cases */
2456 	case IO_UNDERFLOW:
2457 		/* SATA Completion with error */
2458 		PM8001_IO_DBG(pm8001_ha,
2459 			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2460 		ts->resp = SAS_TASK_COMPLETE;
2461 		ts->stat = SAS_DATA_UNDERRUN;
2462 		ts->residual =  param;
2463 		if (pm8001_dev)
2464 			pm8001_dev->running_req--;
2465 		break;
2466 	case IO_NO_DEVICE:
2467 		PM8001_IO_DBG(pm8001_ha,
2468 			pm8001_printk("IO_NO_DEVICE\n"));
2469 		ts->resp = SAS_TASK_UNDELIVERED;
2470 		ts->stat = SAS_PHY_DOWN;
2471 		break;
2472 	case IO_XFER_ERROR_BREAK:
2473 		PM8001_IO_DBG(pm8001_ha,
2474 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2475 		ts->resp = SAS_TASK_COMPLETE;
2476 		ts->stat = SAS_INTERRUPTED;
2477 		break;
2478 	case IO_XFER_ERROR_PHY_NOT_READY:
2479 		PM8001_IO_DBG(pm8001_ha,
2480 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2481 		ts->resp = SAS_TASK_COMPLETE;
2482 		ts->stat = SAS_OPEN_REJECT;
2483 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2484 		break;
2485 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2486 		PM8001_IO_DBG(pm8001_ha,
2487 			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2488 			"_SUPPORTED\n"));
2489 		ts->resp = SAS_TASK_COMPLETE;
2490 		ts->stat = SAS_OPEN_REJECT;
2491 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2492 		break;
2493 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2494 		PM8001_IO_DBG(pm8001_ha,
2495 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2496 		ts->resp = SAS_TASK_COMPLETE;
2497 		ts->stat = SAS_OPEN_REJECT;
2498 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2499 		break;
2500 	case IO_OPEN_CNX_ERROR_BREAK:
2501 		PM8001_IO_DBG(pm8001_ha,
2502 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2503 		ts->resp = SAS_TASK_COMPLETE;
2504 		ts->stat = SAS_OPEN_REJECT;
2505 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2506 		break;
2507 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2508 		PM8001_IO_DBG(pm8001_ha,
2509 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2510 		ts->resp = SAS_TASK_COMPLETE;
2511 		ts->stat = SAS_DEV_NO_RESPONSE;
2512 		if (!t->uldd_task) {
2513 			pm8001_handle_event(pm8001_ha,
2514 				pm8001_dev,
2515 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2516 			ts->resp = SAS_TASK_UNDELIVERED;
2517 			ts->stat = SAS_QUEUE_FULL;
2518 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2519 			return;
2520 		}
2521 		break;
2522 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2523 		PM8001_IO_DBG(pm8001_ha,
2524 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2525 		ts->resp = SAS_TASK_UNDELIVERED;
2526 		ts->stat = SAS_OPEN_REJECT;
2527 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2528 		if (!t->uldd_task) {
2529 			pm8001_handle_event(pm8001_ha,
2530 				pm8001_dev,
2531 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2532 			ts->resp = SAS_TASK_UNDELIVERED;
2533 			ts->stat = SAS_QUEUE_FULL;
2534 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2535 			return;
2536 		}
2537 		break;
2538 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2539 		PM8001_IO_DBG(pm8001_ha,
2540 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2541 			"NOT_SUPPORTED\n"));
2542 		ts->resp = SAS_TASK_COMPLETE;
2543 		ts->stat = SAS_OPEN_REJECT;
2544 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2545 		break;
2546 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2547 		PM8001_IO_DBG(pm8001_ha,
2548 			pm8001_printk("IO_OPEN_CNX_ERROR_STP_RESOURCES"
2549 			"_BUSY\n"));
2550 		ts->resp = SAS_TASK_COMPLETE;
2551 		ts->stat = SAS_DEV_NO_RESPONSE;
2552 		if (!t->uldd_task) {
2553 			pm8001_handle_event(pm8001_ha,
2554 				pm8001_dev,
2555 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2556 			ts->resp = SAS_TASK_UNDELIVERED;
2557 			ts->stat = SAS_QUEUE_FULL;
2558 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2559 			return;
2560 		}
2561 		break;
2562 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2563 		PM8001_IO_DBG(pm8001_ha,
2564 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2565 		ts->resp = SAS_TASK_COMPLETE;
2566 		ts->stat = SAS_OPEN_REJECT;
2567 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2568 		break;
2569 	case IO_XFER_ERROR_NAK_RECEIVED:
2570 		PM8001_IO_DBG(pm8001_ha,
2571 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2572 		ts->resp = SAS_TASK_COMPLETE;
2573 		ts->stat = SAS_NAK_R_ERR;
2574 		break;
2575 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2576 		PM8001_IO_DBG(pm8001_ha,
2577 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2578 		ts->resp = SAS_TASK_COMPLETE;
2579 		ts->stat = SAS_NAK_R_ERR;
2580 		break;
2581 	case IO_XFER_ERROR_DMA:
2582 		PM8001_IO_DBG(pm8001_ha,
2583 			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2584 		ts->resp = SAS_TASK_COMPLETE;
2585 		ts->stat = SAS_ABORTED_TASK;
2586 		break;
2587 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2588 		PM8001_IO_DBG(pm8001_ha,
2589 			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2590 		ts->resp = SAS_TASK_UNDELIVERED;
2591 		ts->stat = SAS_DEV_NO_RESPONSE;
2592 		break;
2593 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2594 		PM8001_IO_DBG(pm8001_ha,
2595 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2596 		ts->resp = SAS_TASK_COMPLETE;
2597 		ts->stat = SAS_DATA_UNDERRUN;
2598 		break;
2599 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2600 		PM8001_IO_DBG(pm8001_ha,
2601 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2602 		ts->resp = SAS_TASK_COMPLETE;
2603 		ts->stat = SAS_OPEN_TO;
2604 		break;
2605 	case IO_PORT_IN_RESET:
2606 		PM8001_IO_DBG(pm8001_ha,
2607 			pm8001_printk("IO_PORT_IN_RESET\n"));
2608 		ts->resp = SAS_TASK_COMPLETE;
2609 		ts->stat = SAS_DEV_NO_RESPONSE;
2610 		break;
2611 	case IO_DS_NON_OPERATIONAL:
2612 		PM8001_IO_DBG(pm8001_ha,
2613 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2614 		ts->resp = SAS_TASK_COMPLETE;
2615 		ts->stat = SAS_DEV_NO_RESPONSE;
2616 		if (!t->uldd_task) {
2617 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2618 				    IO_DS_NON_OPERATIONAL);
2619 			ts->resp = SAS_TASK_UNDELIVERED;
2620 			ts->stat = SAS_QUEUE_FULL;
2621 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2622 			return;
2623 		}
2624 		break;
2625 	case IO_DS_IN_RECOVERY:
2626 		PM8001_IO_DBG(pm8001_ha,
2627 			pm8001_printk("  IO_DS_IN_RECOVERY\n"));
2628 		ts->resp = SAS_TASK_COMPLETE;
2629 		ts->stat = SAS_DEV_NO_RESPONSE;
2630 		break;
2631 	case IO_DS_IN_ERROR:
2632 		PM8001_IO_DBG(pm8001_ha,
2633 			pm8001_printk("IO_DS_IN_ERROR\n"));
2634 		ts->resp = SAS_TASK_COMPLETE;
2635 		ts->stat = SAS_DEV_NO_RESPONSE;
2636 		if (!t->uldd_task) {
2637 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2638 				    IO_DS_IN_ERROR);
2639 			ts->resp = SAS_TASK_UNDELIVERED;
2640 			ts->stat = SAS_QUEUE_FULL;
2641 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2642 			return;
2643 		}
2644 		break;
2645 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2646 		PM8001_IO_DBG(pm8001_ha,
2647 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2648 		ts->resp = SAS_TASK_COMPLETE;
2649 		ts->stat = SAS_OPEN_REJECT;
2650 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2651 		break;
2652 	default:
2653 		PM8001_IO_DBG(pm8001_ha,
2654 			pm8001_printk("Unknown status 0x%x\n", status));
2655 		/* not allowed case. Therefore, return failed status */
2656 		ts->resp = SAS_TASK_COMPLETE;
2657 		ts->stat = SAS_DEV_NO_RESPONSE;
2658 		break;
2659 	}
2660 	spin_lock_irqsave(&t->task_state_lock, flags);
2661 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2662 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2663 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2664 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2665 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2666 		PM8001_FAIL_DBG(pm8001_ha,
2667 			pm8001_printk("task 0x%p done with io_status 0x%x"
2668 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2669 			t, status, ts->resp, ts->stat));
2670 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2671 	} else {
2672 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2673 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2674 	}
2675 }
2676 
2677 /*See the comments for mpi_ssp_completion */
2678 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2679 {
2680 	struct sas_task *t;
2681 	struct task_status_struct *ts;
2682 	struct pm8001_ccb_info *ccb;
2683 	struct pm8001_device *pm8001_dev;
2684 	struct sata_event_resp *psataPayload =
2685 		(struct sata_event_resp *)(piomb + 4);
2686 	u32 event = le32_to_cpu(psataPayload->event);
2687 	u32 tag = le32_to_cpu(psataPayload->tag);
2688 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2689 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2690 	unsigned long flags;
2691 
2692 	ccb = &pm8001_ha->ccb_info[tag];
2693 
2694 	if (ccb) {
2695 		t = ccb->task;
2696 		pm8001_dev = ccb->device;
2697 	} else {
2698 		PM8001_FAIL_DBG(pm8001_ha,
2699 			pm8001_printk("No CCB !!!. returning\n"));
2700 	}
2701 	if (event)
2702 		PM8001_FAIL_DBG(pm8001_ha,
2703 			pm8001_printk("SATA EVENT 0x%x\n", event));
2704 
2705 	/* Check if this is NCQ error */
2706 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2707 		/* find device using device id */
2708 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2709 		/* send read log extension */
2710 		if (pm8001_dev)
2711 			pm8001_send_read_log(pm8001_ha, pm8001_dev);
2712 		return;
2713 	}
2714 
2715 	ccb = &pm8001_ha->ccb_info[tag];
2716 	t = ccb->task;
2717 	pm8001_dev = ccb->device;
2718 	if (event)
2719 		PM8001_FAIL_DBG(pm8001_ha,
2720 			pm8001_printk("sata IO status 0x%x\n", event));
2721 	if (unlikely(!t || !t->lldd_task || !t->dev))
2722 		return;
2723 	ts = &t->task_status;
2724 	PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2725 		"port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2726 		port_id, dev_id, tag, event));
2727 	switch (event) {
2728 	case IO_OVERFLOW:
2729 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2730 		ts->resp = SAS_TASK_COMPLETE;
2731 		ts->stat = SAS_DATA_OVERRUN;
2732 		ts->residual = 0;
2733 		if (pm8001_dev)
2734 			pm8001_dev->running_req--;
2735 		break;
2736 	case IO_XFER_ERROR_BREAK:
2737 		PM8001_IO_DBG(pm8001_ha,
2738 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2739 		ts->resp = SAS_TASK_COMPLETE;
2740 		ts->stat = SAS_INTERRUPTED;
2741 		break;
2742 	case IO_XFER_ERROR_PHY_NOT_READY:
2743 		PM8001_IO_DBG(pm8001_ha,
2744 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2745 		ts->resp = SAS_TASK_COMPLETE;
2746 		ts->stat = SAS_OPEN_REJECT;
2747 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2748 		break;
2749 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2750 		PM8001_IO_DBG(pm8001_ha,
2751 			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2752 			"_SUPPORTED\n"));
2753 		ts->resp = SAS_TASK_COMPLETE;
2754 		ts->stat = SAS_OPEN_REJECT;
2755 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2756 		break;
2757 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2758 		PM8001_IO_DBG(pm8001_ha,
2759 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2760 		ts->resp = SAS_TASK_COMPLETE;
2761 		ts->stat = SAS_OPEN_REJECT;
2762 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2763 		break;
2764 	case IO_OPEN_CNX_ERROR_BREAK:
2765 		PM8001_IO_DBG(pm8001_ha,
2766 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2767 		ts->resp = SAS_TASK_COMPLETE;
2768 		ts->stat = SAS_OPEN_REJECT;
2769 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2770 		break;
2771 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2772 		PM8001_IO_DBG(pm8001_ha,
2773 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2774 		ts->resp = SAS_TASK_UNDELIVERED;
2775 		ts->stat = SAS_DEV_NO_RESPONSE;
2776 		if (!t->uldd_task) {
2777 			pm8001_handle_event(pm8001_ha,
2778 				pm8001_dev,
2779 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2780 			ts->resp = SAS_TASK_COMPLETE;
2781 			ts->stat = SAS_QUEUE_FULL;
2782 			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2783 			return;
2784 		}
2785 		break;
2786 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2787 		PM8001_IO_DBG(pm8001_ha,
2788 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2789 		ts->resp = SAS_TASK_UNDELIVERED;
2790 		ts->stat = SAS_OPEN_REJECT;
2791 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2792 		break;
2793 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2794 		PM8001_IO_DBG(pm8001_ha,
2795 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2796 			"NOT_SUPPORTED\n"));
2797 		ts->resp = SAS_TASK_COMPLETE;
2798 		ts->stat = SAS_OPEN_REJECT;
2799 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2800 		break;
2801 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2802 		PM8001_IO_DBG(pm8001_ha,
2803 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2804 		ts->resp = SAS_TASK_COMPLETE;
2805 		ts->stat = SAS_OPEN_REJECT;
2806 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2807 		break;
2808 	case IO_XFER_ERROR_NAK_RECEIVED:
2809 		PM8001_IO_DBG(pm8001_ha,
2810 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2811 		ts->resp = SAS_TASK_COMPLETE;
2812 		ts->stat = SAS_NAK_R_ERR;
2813 		break;
2814 	case IO_XFER_ERROR_PEER_ABORTED:
2815 		PM8001_IO_DBG(pm8001_ha,
2816 			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2817 		ts->resp = SAS_TASK_COMPLETE;
2818 		ts->stat = SAS_NAK_R_ERR;
2819 		break;
2820 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2821 		PM8001_IO_DBG(pm8001_ha,
2822 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2823 		ts->resp = SAS_TASK_COMPLETE;
2824 		ts->stat = SAS_DATA_UNDERRUN;
2825 		break;
2826 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2827 		PM8001_IO_DBG(pm8001_ha,
2828 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2829 		ts->resp = SAS_TASK_COMPLETE;
2830 		ts->stat = SAS_OPEN_TO;
2831 		break;
2832 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2833 		PM8001_IO_DBG(pm8001_ha,
2834 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2835 		ts->resp = SAS_TASK_COMPLETE;
2836 		ts->stat = SAS_OPEN_TO;
2837 		break;
2838 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2839 		PM8001_IO_DBG(pm8001_ha,
2840 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2841 		ts->resp = SAS_TASK_COMPLETE;
2842 		ts->stat = SAS_OPEN_TO;
2843 		break;
2844 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2845 		PM8001_IO_DBG(pm8001_ha,
2846 		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2847 		ts->resp = SAS_TASK_COMPLETE;
2848 		ts->stat = SAS_OPEN_TO;
2849 		break;
2850 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2851 		PM8001_IO_DBG(pm8001_ha,
2852 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2853 		ts->resp = SAS_TASK_COMPLETE;
2854 		ts->stat = SAS_OPEN_TO;
2855 		break;
2856 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2857 		PM8001_IO_DBG(pm8001_ha,
2858 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2859 		ts->resp = SAS_TASK_COMPLETE;
2860 		ts->stat = SAS_OPEN_TO;
2861 		break;
2862 	case IO_XFER_CMD_FRAME_ISSUED:
2863 		PM8001_IO_DBG(pm8001_ha,
2864 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2865 		break;
2866 	case IO_XFER_PIO_SETUP_ERROR:
2867 		PM8001_IO_DBG(pm8001_ha,
2868 			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2869 		ts->resp = SAS_TASK_COMPLETE;
2870 		ts->stat = SAS_OPEN_TO;
2871 		break;
2872 	default:
2873 		PM8001_IO_DBG(pm8001_ha,
2874 			pm8001_printk("Unknown status 0x%x\n", event));
2875 		/* not allowed case. Therefore, return failed status */
2876 		ts->resp = SAS_TASK_COMPLETE;
2877 		ts->stat = SAS_OPEN_TO;
2878 		break;
2879 	}
2880 	spin_lock_irqsave(&t->task_state_lock, flags);
2881 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2882 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2883 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2884 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2885 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2886 		PM8001_FAIL_DBG(pm8001_ha,
2887 			pm8001_printk("task 0x%p done with io_status 0x%x"
2888 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2889 			t, event, ts->resp, ts->stat));
2890 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2891 	} else {
2892 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2893 		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2894 	}
2895 }
2896 
2897 /*See the comments for mpi_ssp_completion */
2898 static void
2899 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2900 {
2901 	u32 param;
2902 	struct sas_task *t;
2903 	struct pm8001_ccb_info *ccb;
2904 	unsigned long flags;
2905 	u32 status;
2906 	u32 tag;
2907 	struct smp_completion_resp *psmpPayload;
2908 	struct task_status_struct *ts;
2909 	struct pm8001_device *pm8001_dev;
2910 
2911 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2912 	status = le32_to_cpu(psmpPayload->status);
2913 	tag = le32_to_cpu(psmpPayload->tag);
2914 
2915 	ccb = &pm8001_ha->ccb_info[tag];
2916 	param = le32_to_cpu(psmpPayload->param);
2917 	t = ccb->task;
2918 	ts = &t->task_status;
2919 	pm8001_dev = ccb->device;
2920 	if (status)
2921 		PM8001_FAIL_DBG(pm8001_ha,
2922 			pm8001_printk("smp IO status 0x%x\n", status));
2923 	if (unlikely(!t || !t->lldd_task || !t->dev))
2924 		return;
2925 
2926 	switch (status) {
2927 	case IO_SUCCESS:
2928 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2929 		ts->resp = SAS_TASK_COMPLETE;
2930 		ts->stat = SAM_STAT_GOOD;
2931 	if (pm8001_dev)
2932 			pm8001_dev->running_req--;
2933 		break;
2934 	case IO_ABORTED:
2935 		PM8001_IO_DBG(pm8001_ha,
2936 			pm8001_printk("IO_ABORTED IOMB\n"));
2937 		ts->resp = SAS_TASK_COMPLETE;
2938 		ts->stat = SAS_ABORTED_TASK;
2939 		if (pm8001_dev)
2940 			pm8001_dev->running_req--;
2941 		break;
2942 	case IO_OVERFLOW:
2943 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2944 		ts->resp = SAS_TASK_COMPLETE;
2945 		ts->stat = SAS_DATA_OVERRUN;
2946 		ts->residual = 0;
2947 		if (pm8001_dev)
2948 			pm8001_dev->running_req--;
2949 		break;
2950 	case IO_NO_DEVICE:
2951 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2952 		ts->resp = SAS_TASK_COMPLETE;
2953 		ts->stat = SAS_PHY_DOWN;
2954 		break;
2955 	case IO_ERROR_HW_TIMEOUT:
2956 		PM8001_IO_DBG(pm8001_ha,
2957 			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2958 		ts->resp = SAS_TASK_COMPLETE;
2959 		ts->stat = SAM_STAT_BUSY;
2960 		break;
2961 	case IO_XFER_ERROR_BREAK:
2962 		PM8001_IO_DBG(pm8001_ha,
2963 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2964 		ts->resp = SAS_TASK_COMPLETE;
2965 		ts->stat = SAM_STAT_BUSY;
2966 		break;
2967 	case IO_XFER_ERROR_PHY_NOT_READY:
2968 		PM8001_IO_DBG(pm8001_ha,
2969 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2970 		ts->resp = SAS_TASK_COMPLETE;
2971 		ts->stat = SAM_STAT_BUSY;
2972 		break;
2973 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2974 		PM8001_IO_DBG(pm8001_ha,
2975 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2976 		ts->resp = SAS_TASK_COMPLETE;
2977 		ts->stat = SAS_OPEN_REJECT;
2978 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2979 		break;
2980 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2981 		PM8001_IO_DBG(pm8001_ha,
2982 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2983 		ts->resp = SAS_TASK_COMPLETE;
2984 		ts->stat = SAS_OPEN_REJECT;
2985 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2986 		break;
2987 	case IO_OPEN_CNX_ERROR_BREAK:
2988 		PM8001_IO_DBG(pm8001_ha,
2989 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2990 		ts->resp = SAS_TASK_COMPLETE;
2991 		ts->stat = SAS_OPEN_REJECT;
2992 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2993 		break;
2994 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2995 		PM8001_IO_DBG(pm8001_ha,
2996 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2997 		ts->resp = SAS_TASK_COMPLETE;
2998 		ts->stat = SAS_OPEN_REJECT;
2999 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
3000 		pm8001_handle_event(pm8001_ha,
3001 				pm8001_dev,
3002 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
3003 		break;
3004 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
3005 		PM8001_IO_DBG(pm8001_ha,
3006 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
3007 		ts->resp = SAS_TASK_COMPLETE;
3008 		ts->stat = SAS_OPEN_REJECT;
3009 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3010 		break;
3011 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3012 		PM8001_IO_DBG(pm8001_ha,
3013 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
3014 			"NOT_SUPPORTED\n"));
3015 		ts->resp = SAS_TASK_COMPLETE;
3016 		ts->stat = SAS_OPEN_REJECT;
3017 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3018 		break;
3019 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3020 		PM8001_IO_DBG(pm8001_ha,
3021 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
3022 		ts->resp = SAS_TASK_COMPLETE;
3023 		ts->stat = SAS_OPEN_REJECT;
3024 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3025 		break;
3026 	case IO_XFER_ERROR_RX_FRAME:
3027 		PM8001_IO_DBG(pm8001_ha,
3028 			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
3029 		ts->resp = SAS_TASK_COMPLETE;
3030 		ts->stat = SAS_DEV_NO_RESPONSE;
3031 		break;
3032 	case IO_XFER_OPEN_RETRY_TIMEOUT:
3033 		PM8001_IO_DBG(pm8001_ha,
3034 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
3035 		ts->resp = SAS_TASK_COMPLETE;
3036 		ts->stat = SAS_OPEN_REJECT;
3037 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3038 		break;
3039 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3040 		PM8001_IO_DBG(pm8001_ha,
3041 			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
3042 		ts->resp = SAS_TASK_COMPLETE;
3043 		ts->stat = SAS_QUEUE_FULL;
3044 		break;
3045 	case IO_PORT_IN_RESET:
3046 		PM8001_IO_DBG(pm8001_ha,
3047 			pm8001_printk("IO_PORT_IN_RESET\n"));
3048 		ts->resp = SAS_TASK_COMPLETE;
3049 		ts->stat = SAS_OPEN_REJECT;
3050 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3051 		break;
3052 	case IO_DS_NON_OPERATIONAL:
3053 		PM8001_IO_DBG(pm8001_ha,
3054 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
3055 		ts->resp = SAS_TASK_COMPLETE;
3056 		ts->stat = SAS_DEV_NO_RESPONSE;
3057 		break;
3058 	case IO_DS_IN_RECOVERY:
3059 		PM8001_IO_DBG(pm8001_ha,
3060 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
3061 		ts->resp = SAS_TASK_COMPLETE;
3062 		ts->stat = SAS_OPEN_REJECT;
3063 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3064 		break;
3065 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3066 		PM8001_IO_DBG(pm8001_ha,
3067 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
3068 		ts->resp = SAS_TASK_COMPLETE;
3069 		ts->stat = SAS_OPEN_REJECT;
3070 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3071 		break;
3072 	default:
3073 		PM8001_IO_DBG(pm8001_ha,
3074 			pm8001_printk("Unknown status 0x%x\n", status));
3075 		ts->resp = SAS_TASK_COMPLETE;
3076 		ts->stat = SAS_DEV_NO_RESPONSE;
3077 		/* not allowed case. Therefore, return failed status */
3078 		break;
3079 	}
3080 	spin_lock_irqsave(&t->task_state_lock, flags);
3081 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3082 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3083 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3084 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3085 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3086 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
3087 			" io_status 0x%x resp 0x%x "
3088 			"stat 0x%x but aborted by upper layer!\n",
3089 			t, status, ts->resp, ts->stat));
3090 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3091 	} else {
3092 		spin_unlock_irqrestore(&t->task_state_lock, flags);
3093 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3094 		mb();/* in order to force CPU ordering */
3095 		t->task_done(t);
3096 	}
3097 }
3098 
3099 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
3100 		void *piomb)
3101 {
3102 	struct set_dev_state_resp *pPayload =
3103 		(struct set_dev_state_resp *)(piomb + 4);
3104 	u32 tag = le32_to_cpu(pPayload->tag);
3105 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3106 	struct pm8001_device *pm8001_dev = ccb->device;
3107 	u32 status = le32_to_cpu(pPayload->status);
3108 	u32 device_id = le32_to_cpu(pPayload->device_id);
3109 	u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
3110 	u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
3111 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set device id = 0x%x state "
3112 		"from 0x%x to 0x%x status = 0x%x!\n",
3113 		device_id, pds, nds, status));
3114 	complete(pm8001_dev->setds_completion);
3115 	ccb->task = NULL;
3116 	ccb->ccb_tag = 0xFFFFFFFF;
3117 	pm8001_tag_free(pm8001_ha, tag);
3118 }
3119 
3120 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3121 {
3122 	struct get_nvm_data_resp *pPayload =
3123 		(struct get_nvm_data_resp *)(piomb + 4);
3124 	u32 tag = le32_to_cpu(pPayload->tag);
3125 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3126 	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3127 	complete(pm8001_ha->nvmd_completion);
3128 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set nvm data complete!\n"));
3129 	if ((dlen_status & NVMD_STAT) != 0) {
3130 		PM8001_FAIL_DBG(pm8001_ha,
3131 			pm8001_printk("Set nvm data error!\n"));
3132 		return;
3133 	}
3134 	ccb->task = NULL;
3135 	ccb->ccb_tag = 0xFFFFFFFF;
3136 	pm8001_tag_free(pm8001_ha, tag);
3137 }
3138 
3139 void
3140 pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3141 {
3142 	struct fw_control_ex    *fw_control_context;
3143 	struct get_nvm_data_resp *pPayload =
3144 		(struct get_nvm_data_resp *)(piomb + 4);
3145 	u32 tag = le32_to_cpu(pPayload->tag);
3146 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3147 	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3148 	u32 ir_tds_bn_dps_das_nvm =
3149 		le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
3150 	void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
3151 	fw_control_context = ccb->fw_control_context;
3152 
3153 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
3154 	if ((dlen_status & NVMD_STAT) != 0) {
3155 		PM8001_FAIL_DBG(pm8001_ha,
3156 			pm8001_printk("Get nvm data error!\n"));
3157 		complete(pm8001_ha->nvmd_completion);
3158 		return;
3159 	}
3160 
3161 	if (ir_tds_bn_dps_das_nvm & IPMode) {
3162 		/* indirect mode - IR bit set */
3163 		PM8001_MSG_DBG(pm8001_ha,
3164 			pm8001_printk("Get NVMD success, IR=1\n"));
3165 		if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
3166 			if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
3167 				memcpy(pm8001_ha->sas_addr,
3168 				      ((u8 *)virt_addr + 4),
3169 				       SAS_ADDR_SIZE);
3170 				PM8001_MSG_DBG(pm8001_ha,
3171 					pm8001_printk("Get SAS address"
3172 					" from VPD successfully!\n"));
3173 			}
3174 		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
3175 			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
3176 			((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
3177 				;
3178 		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
3179 			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
3180 			;
3181 		} else {
3182 			/* Should not be happened*/
3183 			PM8001_MSG_DBG(pm8001_ha,
3184 				pm8001_printk("(IR=1)Wrong Device type 0x%x\n",
3185 				ir_tds_bn_dps_das_nvm));
3186 		}
3187 	} else /* direct mode */{
3188 		PM8001_MSG_DBG(pm8001_ha,
3189 			pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
3190 			(dlen_status & NVMD_LEN) >> 24));
3191 	}
3192 	/* Though fw_control_context is freed below, usrAddr still needs
3193 	 * to be updated as this holds the response to the request function
3194 	 */
3195 	memcpy(fw_control_context->usrAddr,
3196 		pm8001_ha->memoryMap.region[NVMD].virt_ptr,
3197 		fw_control_context->len);
3198 	kfree(ccb->fw_control_context);
3199 	ccb->task = NULL;
3200 	ccb->ccb_tag = 0xFFFFFFFF;
3201 	pm8001_tag_free(pm8001_ha, tag);
3202 	complete(pm8001_ha->nvmd_completion);
3203 }
3204 
3205 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
3206 {
3207 	u32 tag;
3208 	struct local_phy_ctl_resp *pPayload =
3209 		(struct local_phy_ctl_resp *)(piomb + 4);
3210 	u32 status = le32_to_cpu(pPayload->status);
3211 	u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
3212 	u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
3213 	tag = le32_to_cpu(pPayload->tag);
3214 	if (status != 0) {
3215 		PM8001_MSG_DBG(pm8001_ha,
3216 			pm8001_printk("%x phy execute %x phy op failed!\n",
3217 			phy_id, phy_op));
3218 	} else {
3219 		PM8001_MSG_DBG(pm8001_ha,
3220 			pm8001_printk("%x phy execute %x phy op success!\n",
3221 			phy_id, phy_op));
3222 		pm8001_ha->phy[phy_id].reset_success = true;
3223 	}
3224 	if (pm8001_ha->phy[phy_id].enable_completion) {
3225 		complete(pm8001_ha->phy[phy_id].enable_completion);
3226 		pm8001_ha->phy[phy_id].enable_completion = NULL;
3227 	}
3228 	pm8001_tag_free(pm8001_ha, tag);
3229 	return 0;
3230 }
3231 
3232 /**
3233  * pm8001_bytes_dmaed - one of the interface function communication with libsas
3234  * @pm8001_ha: our hba card information
3235  * @i: which phy that received the event.
3236  *
3237  * when HBA driver received the identify done event or initiate FIS received
3238  * event(for SATA), it will invoke this function to notify the sas layer that
3239  * the sas toplogy has formed, please discover the the whole sas domain,
3240  * while receive a broadcast(change) primitive just tell the sas
3241  * layer to discover the changed domain rather than the whole domain.
3242  */
3243 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
3244 {
3245 	struct pm8001_phy *phy = &pm8001_ha->phy[i];
3246 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
3247 	struct sas_ha_struct *sas_ha;
3248 	if (!phy->phy_attached)
3249 		return;
3250 
3251 	sas_ha = pm8001_ha->sas;
3252 	if (sas_phy->phy) {
3253 		struct sas_phy *sphy = sas_phy->phy;
3254 		sphy->negotiated_linkrate = sas_phy->linkrate;
3255 		sphy->minimum_linkrate = phy->minimum_linkrate;
3256 		sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3257 		sphy->maximum_linkrate = phy->maximum_linkrate;
3258 		sphy->maximum_linkrate_hw = phy->maximum_linkrate;
3259 	}
3260 
3261 	if (phy->phy_type & PORT_TYPE_SAS) {
3262 		struct sas_identify_frame *id;
3263 		id = (struct sas_identify_frame *)phy->frame_rcvd;
3264 		id->dev_type = phy->identify.device_type;
3265 		id->initiator_bits = SAS_PROTOCOL_ALL;
3266 		id->target_bits = phy->identify.target_port_protocols;
3267 	} else if (phy->phy_type & PORT_TYPE_SATA) {
3268 		/*Nothing*/
3269 	}
3270 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("phy %d byte dmaded.\n", i));
3271 
3272 	sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3273 	pm8001_ha->sas->notify_port_event(sas_phy, PORTE_BYTES_DMAED);
3274 }
3275 
3276 /* Get the link rate speed  */
3277 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3278 {
3279 	struct sas_phy *sas_phy = phy->sas_phy.phy;
3280 
3281 	switch (link_rate) {
3282 	case PHY_SPEED_120:
3283 		phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
3284 		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_12_0_GBPS;
3285 		break;
3286 	case PHY_SPEED_60:
3287 		phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
3288 		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3289 		break;
3290 	case PHY_SPEED_30:
3291 		phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3292 		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3293 		break;
3294 	case PHY_SPEED_15:
3295 		phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3296 		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3297 		break;
3298 	}
3299 	sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3300 	sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
3301 	sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3302 	sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
3303 	sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3304 }
3305 
3306 /**
3307  * asd_get_attached_sas_addr -- extract/generate attached SAS address
3308  * @phy: pointer to asd_phy
3309  * @sas_addr: pointer to buffer where the SAS address is to be written
3310  *
3311  * This function extracts the SAS address from an IDENTIFY frame
3312  * received.  If OOB is SATA, then a SAS address is generated from the
3313  * HA tables.
3314  *
3315  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3316  * buffer.
3317  */
3318 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3319 	u8 *sas_addr)
3320 {
3321 	if (phy->sas_phy.frame_rcvd[0] == 0x34
3322 		&& phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3323 		struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3324 		/* FIS device-to-host */
3325 		u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3326 		addr += phy->sas_phy.id;
3327 		*(__be64 *)sas_addr = cpu_to_be64(addr);
3328 	} else {
3329 		struct sas_identify_frame *idframe =
3330 			(void *) phy->sas_phy.frame_rcvd;
3331 		memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3332 	}
3333 }
3334 
3335 /**
3336  * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3337  * @pm8001_ha: our hba card information
3338  * @Qnum: the outbound queue message number.
3339  * @SEA: source of event to ack
3340  * @port_id: port id.
3341  * @phyId: phy id.
3342  * @param0: parameter 0.
3343  * @param1: parameter 1.
3344  */
3345 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3346 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3347 {
3348 	struct hw_event_ack_req	 payload;
3349 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3350 
3351 	struct inbound_queue_table *circularQ;
3352 
3353 	memset((u8 *)&payload, 0, sizeof(payload));
3354 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3355 	payload.tag = cpu_to_le32(1);
3356 	payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3357 		((phyId & 0x0F) << 4) | (port_id & 0x0F));
3358 	payload.param0 = cpu_to_le32(param0);
3359 	payload.param1 = cpu_to_le32(param1);
3360 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
3361 }
3362 
3363 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3364 	u32 phyId, u32 phy_op);
3365 
3366 /**
3367  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3368  * @pm8001_ha: our hba card information
3369  * @piomb: IO message buffer
3370  */
3371 static void
3372 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3373 {
3374 	struct hw_event_resp *pPayload =
3375 		(struct hw_event_resp *)(piomb + 4);
3376 	u32 lr_evt_status_phyid_portid =
3377 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3378 	u8 link_rate =
3379 		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3380 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3381 	u8 phy_id =
3382 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3383 	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3384 	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3385 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3386 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3387 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3388 	unsigned long flags;
3389 	u8 deviceType = pPayload->sas_identify.dev_type;
3390 	port->port_state =  portstate;
3391 	phy->phy_state = PHY_STATE_LINK_UP_SPC;
3392 	PM8001_MSG_DBG(pm8001_ha,
3393 		pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3394 		port_id, phy_id));
3395 
3396 	switch (deviceType) {
3397 	case SAS_PHY_UNUSED:
3398 		PM8001_MSG_DBG(pm8001_ha,
3399 			pm8001_printk("device type no device.\n"));
3400 		break;
3401 	case SAS_END_DEVICE:
3402 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
3403 		pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3404 			PHY_NOTIFY_ENABLE_SPINUP);
3405 		port->port_attached = 1;
3406 		pm8001_get_lrate_mode(phy, link_rate);
3407 		break;
3408 	case SAS_EDGE_EXPANDER_DEVICE:
3409 		PM8001_MSG_DBG(pm8001_ha,
3410 			pm8001_printk("expander device.\n"));
3411 		port->port_attached = 1;
3412 		pm8001_get_lrate_mode(phy, link_rate);
3413 		break;
3414 	case SAS_FANOUT_EXPANDER_DEVICE:
3415 		PM8001_MSG_DBG(pm8001_ha,
3416 			pm8001_printk("fanout expander device.\n"));
3417 		port->port_attached = 1;
3418 		pm8001_get_lrate_mode(phy, link_rate);
3419 		break;
3420 	default:
3421 		PM8001_MSG_DBG(pm8001_ha,
3422 			pm8001_printk("unknown device type(%x)\n", deviceType));
3423 		break;
3424 	}
3425 	phy->phy_type |= PORT_TYPE_SAS;
3426 	phy->identify.device_type = deviceType;
3427 	phy->phy_attached = 1;
3428 	if (phy->identify.device_type == SAS_END_DEVICE)
3429 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3430 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3431 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3432 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3433 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3434 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3435 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3436 		sizeof(struct sas_identify_frame)-4);
3437 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3438 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3439 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3440 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3441 		mdelay(200);/*delay a moment to wait disk to spinup*/
3442 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3443 }
3444 
3445 /**
3446  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3447  * @pm8001_ha: our hba card information
3448  * @piomb: IO message buffer
3449  */
3450 static void
3451 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3452 {
3453 	struct hw_event_resp *pPayload =
3454 		(struct hw_event_resp *)(piomb + 4);
3455 	u32 lr_evt_status_phyid_portid =
3456 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3457 	u8 link_rate =
3458 		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3459 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3460 	u8 phy_id =
3461 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3462 	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3463 	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3464 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3465 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3466 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3467 	unsigned long flags;
3468 	PM8001_MSG_DBG(pm8001_ha,
3469 		pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
3470 		" phy id = %d\n", port_id, phy_id));
3471 	port->port_state =  portstate;
3472 	phy->phy_state = PHY_STATE_LINK_UP_SPC;
3473 	port->port_attached = 1;
3474 	pm8001_get_lrate_mode(phy, link_rate);
3475 	phy->phy_type |= PORT_TYPE_SATA;
3476 	phy->phy_attached = 1;
3477 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3478 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3479 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3480 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3481 		sizeof(struct dev_to_host_fis));
3482 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3483 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3484 	phy->identify.device_type = SAS_SATA_DEV;
3485 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3486 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3487 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3488 }
3489 
3490 /**
3491  * hw_event_phy_down -we should notify the libsas the phy is down.
3492  * @pm8001_ha: our hba card information
3493  * @piomb: IO message buffer
3494  */
3495 static void
3496 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3497 {
3498 	struct hw_event_resp *pPayload =
3499 		(struct hw_event_resp *)(piomb + 4);
3500 	u32 lr_evt_status_phyid_portid =
3501 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3502 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3503 	u8 phy_id =
3504 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3505 	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3506 	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3507 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3508 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3509 	port->port_state =  portstate;
3510 	phy->phy_type = 0;
3511 	phy->identify.device_type = 0;
3512 	phy->phy_attached = 0;
3513 	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3514 	switch (portstate) {
3515 	case PORT_VALID:
3516 		break;
3517 	case PORT_INVALID:
3518 		PM8001_MSG_DBG(pm8001_ha,
3519 			pm8001_printk(" PortInvalid portID %d\n", port_id));
3520 		PM8001_MSG_DBG(pm8001_ha,
3521 			pm8001_printk(" Last phy Down and port invalid\n"));
3522 		port->port_attached = 0;
3523 		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3524 			port_id, phy_id, 0, 0);
3525 		break;
3526 	case PORT_IN_RESET:
3527 		PM8001_MSG_DBG(pm8001_ha,
3528 			pm8001_printk(" Port In Reset portID %d\n", port_id));
3529 		break;
3530 	case PORT_NOT_ESTABLISHED:
3531 		PM8001_MSG_DBG(pm8001_ha,
3532 			pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
3533 		port->port_attached = 0;
3534 		break;
3535 	case PORT_LOSTCOMM:
3536 		PM8001_MSG_DBG(pm8001_ha,
3537 			pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
3538 		PM8001_MSG_DBG(pm8001_ha,
3539 			pm8001_printk(" Last phy Down and port invalid\n"));
3540 		port->port_attached = 0;
3541 		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3542 			port_id, phy_id, 0, 0);
3543 		break;
3544 	default:
3545 		port->port_attached = 0;
3546 		PM8001_MSG_DBG(pm8001_ha,
3547 			pm8001_printk(" phy Down and(default) = %x\n",
3548 			portstate));
3549 		break;
3550 
3551 	}
3552 }
3553 
3554 /**
3555  * pm8001_mpi_reg_resp -process register device ID response.
3556  * @pm8001_ha: our hba card information
3557  * @piomb: IO message buffer
3558  *
3559  * when sas layer find a device it will notify LLDD, then the driver register
3560  * the domain device to FW, this event is the return device ID which the FW
3561  * has assigned, from now,inter-communication with FW is no longer using the
3562  * SAS address, use device ID which FW assigned.
3563  */
3564 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3565 {
3566 	u32 status;
3567 	u32 device_id;
3568 	u32 htag;
3569 	struct pm8001_ccb_info *ccb;
3570 	struct pm8001_device *pm8001_dev;
3571 	struct dev_reg_resp *registerRespPayload =
3572 		(struct dev_reg_resp *)(piomb + 4);
3573 
3574 	htag = le32_to_cpu(registerRespPayload->tag);
3575 	ccb = &pm8001_ha->ccb_info[htag];
3576 	pm8001_dev = ccb->device;
3577 	status = le32_to_cpu(registerRespPayload->status);
3578 	device_id = le32_to_cpu(registerRespPayload->device_id);
3579 	PM8001_MSG_DBG(pm8001_ha,
3580 		pm8001_printk(" register device is status = %d\n", status));
3581 	switch (status) {
3582 	case DEVREG_SUCCESS:
3583 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("DEVREG_SUCCESS\n"));
3584 		pm8001_dev->device_id = device_id;
3585 		break;
3586 	case DEVREG_FAILURE_OUT_OF_RESOURCE:
3587 		PM8001_MSG_DBG(pm8001_ha,
3588 			pm8001_printk("DEVREG_FAILURE_OUT_OF_RESOURCE\n"));
3589 		break;
3590 	case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3591 		PM8001_MSG_DBG(pm8001_ha,
3592 		   pm8001_printk("DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n"));
3593 		break;
3594 	case DEVREG_FAILURE_INVALID_PHY_ID:
3595 		PM8001_MSG_DBG(pm8001_ha,
3596 			pm8001_printk("DEVREG_FAILURE_INVALID_PHY_ID\n"));
3597 		break;
3598 	case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3599 		PM8001_MSG_DBG(pm8001_ha,
3600 		   pm8001_printk("DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n"));
3601 		break;
3602 	case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3603 		PM8001_MSG_DBG(pm8001_ha,
3604 			pm8001_printk("DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n"));
3605 		break;
3606 	case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3607 		PM8001_MSG_DBG(pm8001_ha,
3608 			pm8001_printk("DEVREG_FAILURE_PORT_NOT_VALID_STATE\n"));
3609 		break;
3610 	case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3611 		PM8001_MSG_DBG(pm8001_ha,
3612 		       pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n"));
3613 		break;
3614 	default:
3615 		PM8001_MSG_DBG(pm8001_ha,
3616 			pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_SUPPORTED\n"));
3617 		break;
3618 	}
3619 	complete(pm8001_dev->dcompletion);
3620 	ccb->task = NULL;
3621 	ccb->ccb_tag = 0xFFFFFFFF;
3622 	pm8001_tag_free(pm8001_ha, htag);
3623 	return 0;
3624 }
3625 
3626 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3627 {
3628 	u32 status;
3629 	u32 device_id;
3630 	struct dev_reg_resp *registerRespPayload =
3631 		(struct dev_reg_resp *)(piomb + 4);
3632 
3633 	status = le32_to_cpu(registerRespPayload->status);
3634 	device_id = le32_to_cpu(registerRespPayload->device_id);
3635 	if (status != 0)
3636 		PM8001_MSG_DBG(pm8001_ha,
3637 			pm8001_printk(" deregister device failed ,status = %x"
3638 			", device_id = %x\n", status, device_id));
3639 	return 0;
3640 }
3641 
3642 /**
3643  * fw_flash_update_resp - Response from FW for flash update command.
3644  * @pm8001_ha: our hba card information
3645  * @piomb: IO message buffer
3646  */
3647 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3648 		void *piomb)
3649 {
3650 	u32 status;
3651 	struct fw_flash_Update_resp *ppayload =
3652 		(struct fw_flash_Update_resp *)(piomb + 4);
3653 	u32 tag = le32_to_cpu(ppayload->tag);
3654 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3655 	status = le32_to_cpu(ppayload->status);
3656 	switch (status) {
3657 	case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3658 		PM8001_MSG_DBG(pm8001_ha,
3659 		pm8001_printk(": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n"));
3660 		break;
3661 	case FLASH_UPDATE_IN_PROGRESS:
3662 		PM8001_MSG_DBG(pm8001_ha,
3663 			pm8001_printk(": FLASH_UPDATE_IN_PROGRESS\n"));
3664 		break;
3665 	case FLASH_UPDATE_HDR_ERR:
3666 		PM8001_MSG_DBG(pm8001_ha,
3667 			pm8001_printk(": FLASH_UPDATE_HDR_ERR\n"));
3668 		break;
3669 	case FLASH_UPDATE_OFFSET_ERR:
3670 		PM8001_MSG_DBG(pm8001_ha,
3671 			pm8001_printk(": FLASH_UPDATE_OFFSET_ERR\n"));
3672 		break;
3673 	case FLASH_UPDATE_CRC_ERR:
3674 		PM8001_MSG_DBG(pm8001_ha,
3675 			pm8001_printk(": FLASH_UPDATE_CRC_ERR\n"));
3676 		break;
3677 	case FLASH_UPDATE_LENGTH_ERR:
3678 		PM8001_MSG_DBG(pm8001_ha,
3679 			pm8001_printk(": FLASH_UPDATE_LENGTH_ERR\n"));
3680 		break;
3681 	case FLASH_UPDATE_HW_ERR:
3682 		PM8001_MSG_DBG(pm8001_ha,
3683 			pm8001_printk(": FLASH_UPDATE_HW_ERR\n"));
3684 		break;
3685 	case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3686 		PM8001_MSG_DBG(pm8001_ha,
3687 			pm8001_printk(": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n"));
3688 		break;
3689 	case FLASH_UPDATE_DISABLED:
3690 		PM8001_MSG_DBG(pm8001_ha,
3691 			pm8001_printk(": FLASH_UPDATE_DISABLED\n"));
3692 		break;
3693 	default:
3694 		PM8001_MSG_DBG(pm8001_ha,
3695 			pm8001_printk("No matched status = %d\n", status));
3696 		break;
3697 	}
3698 	kfree(ccb->fw_control_context);
3699 	ccb->task = NULL;
3700 	ccb->ccb_tag = 0xFFFFFFFF;
3701 	pm8001_tag_free(pm8001_ha, tag);
3702 	complete(pm8001_ha->nvmd_completion);
3703 	return 0;
3704 }
3705 
3706 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
3707 {
3708 	u32 status;
3709 	int i;
3710 	struct general_event_resp *pPayload =
3711 		(struct general_event_resp *)(piomb + 4);
3712 	status = le32_to_cpu(pPayload->status);
3713 	PM8001_MSG_DBG(pm8001_ha,
3714 		pm8001_printk(" status = 0x%x\n", status));
3715 	for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3716 		PM8001_MSG_DBG(pm8001_ha,
3717 			pm8001_printk("inb_IOMB_payload[0x%x] 0x%x,\n", i,
3718 			pPayload->inb_IOMB_payload[i]));
3719 	return 0;
3720 }
3721 
3722 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3723 {
3724 	struct sas_task *t;
3725 	struct pm8001_ccb_info *ccb;
3726 	unsigned long flags;
3727 	u32 status ;
3728 	u32 tag, scp;
3729 	struct task_status_struct *ts;
3730 	struct pm8001_device *pm8001_dev;
3731 
3732 	struct task_abort_resp *pPayload =
3733 		(struct task_abort_resp *)(piomb + 4);
3734 
3735 	status = le32_to_cpu(pPayload->status);
3736 	tag = le32_to_cpu(pPayload->tag);
3737 	if (!tag) {
3738 		PM8001_FAIL_DBG(pm8001_ha,
3739 			pm8001_printk(" TAG NULL. RETURNING !!!"));
3740 		return -1;
3741 	}
3742 
3743 	scp = le32_to_cpu(pPayload->scp);
3744 	ccb = &pm8001_ha->ccb_info[tag];
3745 	t = ccb->task;
3746 	pm8001_dev = ccb->device; /* retrieve device */
3747 
3748 	if (!t)	{
3749 		PM8001_FAIL_DBG(pm8001_ha,
3750 			pm8001_printk(" TASK NULL. RETURNING !!!"));
3751 		return -1;
3752 	}
3753 	ts = &t->task_status;
3754 	if (status != 0)
3755 		PM8001_FAIL_DBG(pm8001_ha,
3756 			pm8001_printk("task abort failed status 0x%x ,"
3757 			"tag = 0x%x, scp= 0x%x\n", status, tag, scp));
3758 	switch (status) {
3759 	case IO_SUCCESS:
3760 		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
3761 		ts->resp = SAS_TASK_COMPLETE;
3762 		ts->stat = SAM_STAT_GOOD;
3763 		break;
3764 	case IO_NOT_VALID:
3765 		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));
3766 		ts->resp = TMF_RESP_FUNC_FAILED;
3767 		break;
3768 	}
3769 	spin_lock_irqsave(&t->task_state_lock, flags);
3770 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3771 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3772 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3773 	spin_unlock_irqrestore(&t->task_state_lock, flags);
3774 	pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3775 	mb();
3776 
3777 	if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) {
3778 		pm8001_tag_free(pm8001_ha, tag);
3779 		sas_free_task(t);
3780 		/* clear the flag */
3781 		pm8001_dev->id &= 0xBFFFFFFF;
3782 	} else
3783 		t->task_done(t);
3784 
3785 	return 0;
3786 }
3787 
3788 /**
3789  * mpi_hw_event -The hw event has come.
3790  * @pm8001_ha: our hba card information
3791  * @piomb: IO message buffer
3792  */
3793 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
3794 {
3795 	unsigned long flags;
3796 	struct hw_event_resp *pPayload =
3797 		(struct hw_event_resp *)(piomb + 4);
3798 	u32 lr_evt_status_phyid_portid =
3799 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3800 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3801 	u8 phy_id =
3802 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3803 	u16 eventType =
3804 		(u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3805 	u8 status =
3806 		(u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3807 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3808 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3809 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3810 	PM8001_MSG_DBG(pm8001_ha,
3811 		pm8001_printk("outbound queue HW event & event type : "));
3812 	switch (eventType) {
3813 	case HW_EVENT_PHY_START_STATUS:
3814 		PM8001_MSG_DBG(pm8001_ha,
3815 		pm8001_printk("HW_EVENT_PHY_START_STATUS"
3816 			" status = %x\n", status));
3817 		if (status == 0) {
3818 			phy->phy_state = 1;
3819 			if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3820 					phy->enable_completion != NULL)
3821 				complete(phy->enable_completion);
3822 		}
3823 		break;
3824 	case HW_EVENT_SAS_PHY_UP:
3825 		PM8001_MSG_DBG(pm8001_ha,
3826 			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3827 		hw_event_sas_phy_up(pm8001_ha, piomb);
3828 		break;
3829 	case HW_EVENT_SATA_PHY_UP:
3830 		PM8001_MSG_DBG(pm8001_ha,
3831 			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3832 		hw_event_sata_phy_up(pm8001_ha, piomb);
3833 		break;
3834 	case HW_EVENT_PHY_STOP_STATUS:
3835 		PM8001_MSG_DBG(pm8001_ha,
3836 			pm8001_printk("HW_EVENT_PHY_STOP_STATUS "
3837 			"status = %x\n", status));
3838 		if (status == 0)
3839 			phy->phy_state = 0;
3840 		break;
3841 	case HW_EVENT_SATA_SPINUP_HOLD:
3842 		PM8001_MSG_DBG(pm8001_ha,
3843 			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3844 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3845 		break;
3846 	case HW_EVENT_PHY_DOWN:
3847 		PM8001_MSG_DBG(pm8001_ha,
3848 			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3849 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3850 		phy->phy_attached = 0;
3851 		phy->phy_state = 0;
3852 		hw_event_phy_down(pm8001_ha, piomb);
3853 		break;
3854 	case HW_EVENT_PORT_INVALID:
3855 		PM8001_MSG_DBG(pm8001_ha,
3856 			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3857 		sas_phy_disconnected(sas_phy);
3858 		phy->phy_attached = 0;
3859 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3860 		break;
3861 	/* the broadcast change primitive received, tell the LIBSAS this event
3862 	to revalidate the sas domain*/
3863 	case HW_EVENT_BROADCAST_CHANGE:
3864 		PM8001_MSG_DBG(pm8001_ha,
3865 			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3866 		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3867 			port_id, phy_id, 1, 0);
3868 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3869 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3870 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3871 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3872 		break;
3873 	case HW_EVENT_PHY_ERROR:
3874 		PM8001_MSG_DBG(pm8001_ha,
3875 			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3876 		sas_phy_disconnected(&phy->sas_phy);
3877 		phy->phy_attached = 0;
3878 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3879 		break;
3880 	case HW_EVENT_BROADCAST_EXP:
3881 		PM8001_MSG_DBG(pm8001_ha,
3882 			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3883 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3884 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3885 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3886 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3887 		break;
3888 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3889 		PM8001_MSG_DBG(pm8001_ha,
3890 			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3891 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3892 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3893 		sas_phy_disconnected(sas_phy);
3894 		phy->phy_attached = 0;
3895 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3896 		break;
3897 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3898 		PM8001_MSG_DBG(pm8001_ha,
3899 			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3900 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3901 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3902 			port_id, phy_id, 0, 0);
3903 		sas_phy_disconnected(sas_phy);
3904 		phy->phy_attached = 0;
3905 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3906 		break;
3907 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3908 		PM8001_MSG_DBG(pm8001_ha,
3909 			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3910 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3911 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3912 			port_id, phy_id, 0, 0);
3913 		sas_phy_disconnected(sas_phy);
3914 		phy->phy_attached = 0;
3915 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3916 		break;
3917 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3918 		PM8001_MSG_DBG(pm8001_ha,
3919 		      pm8001_printk("HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3920 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3921 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3922 			port_id, phy_id, 0, 0);
3923 		sas_phy_disconnected(sas_phy);
3924 		phy->phy_attached = 0;
3925 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3926 		break;
3927 	case HW_EVENT_MALFUNCTION:
3928 		PM8001_MSG_DBG(pm8001_ha,
3929 			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3930 		break;
3931 	case HW_EVENT_BROADCAST_SES:
3932 		PM8001_MSG_DBG(pm8001_ha,
3933 			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3934 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3935 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3936 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3937 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3938 		break;
3939 	case HW_EVENT_INBOUND_CRC_ERROR:
3940 		PM8001_MSG_DBG(pm8001_ha,
3941 			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3942 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3943 			HW_EVENT_INBOUND_CRC_ERROR,
3944 			port_id, phy_id, 0, 0);
3945 		break;
3946 	case HW_EVENT_HARD_RESET_RECEIVED:
3947 		PM8001_MSG_DBG(pm8001_ha,
3948 			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3949 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3950 		break;
3951 	case HW_EVENT_ID_FRAME_TIMEOUT:
3952 		PM8001_MSG_DBG(pm8001_ha,
3953 			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3954 		sas_phy_disconnected(sas_phy);
3955 		phy->phy_attached = 0;
3956 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3957 		break;
3958 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3959 		PM8001_MSG_DBG(pm8001_ha,
3960 			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3961 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3962 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3963 			port_id, phy_id, 0, 0);
3964 		sas_phy_disconnected(sas_phy);
3965 		phy->phy_attached = 0;
3966 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3967 		break;
3968 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3969 		PM8001_MSG_DBG(pm8001_ha,
3970 			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3971 		sas_phy_disconnected(sas_phy);
3972 		phy->phy_attached = 0;
3973 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3974 		break;
3975 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3976 		PM8001_MSG_DBG(pm8001_ha,
3977 			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3978 		sas_phy_disconnected(sas_phy);
3979 		phy->phy_attached = 0;
3980 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3981 		break;
3982 	case HW_EVENT_PORT_RECOVER:
3983 		PM8001_MSG_DBG(pm8001_ha,
3984 			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3985 		break;
3986 	case HW_EVENT_PORT_RESET_COMPLETE:
3987 		PM8001_MSG_DBG(pm8001_ha,
3988 			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3989 		break;
3990 	case EVENT_BROADCAST_ASYNCH_EVENT:
3991 		PM8001_MSG_DBG(pm8001_ha,
3992 			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3993 		break;
3994 	default:
3995 		PM8001_MSG_DBG(pm8001_ha,
3996 			pm8001_printk("Unknown event type = %x\n", eventType));
3997 		break;
3998 	}
3999 	return 0;
4000 }
4001 
4002 /**
4003  * process_one_iomb - process one outbound Queue memory block
4004  * @pm8001_ha: our hba card information
4005  * @piomb: IO message buffer
4006  */
4007 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
4008 {
4009 	__le32 pHeader = *(__le32 *)piomb;
4010 	u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
4011 
4012 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));
4013 
4014 	switch (opc) {
4015 	case OPC_OUB_ECHO:
4016 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
4017 		break;
4018 	case OPC_OUB_HW_EVENT:
4019 		PM8001_MSG_DBG(pm8001_ha,
4020 			pm8001_printk("OPC_OUB_HW_EVENT\n"));
4021 		mpi_hw_event(pm8001_ha, piomb);
4022 		break;
4023 	case OPC_OUB_SSP_COMP:
4024 		PM8001_MSG_DBG(pm8001_ha,
4025 			pm8001_printk("OPC_OUB_SSP_COMP\n"));
4026 		mpi_ssp_completion(pm8001_ha, piomb);
4027 		break;
4028 	case OPC_OUB_SMP_COMP:
4029 		PM8001_MSG_DBG(pm8001_ha,
4030 			pm8001_printk("OPC_OUB_SMP_COMP\n"));
4031 		mpi_smp_completion(pm8001_ha, piomb);
4032 		break;
4033 	case OPC_OUB_LOCAL_PHY_CNTRL:
4034 		PM8001_MSG_DBG(pm8001_ha,
4035 			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
4036 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
4037 		break;
4038 	case OPC_OUB_DEV_REGIST:
4039 		PM8001_MSG_DBG(pm8001_ha,
4040 			pm8001_printk("OPC_OUB_DEV_REGIST\n"));
4041 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
4042 		break;
4043 	case OPC_OUB_DEREG_DEV:
4044 		PM8001_MSG_DBG(pm8001_ha,
4045 			pm8001_printk("unregister the device\n"));
4046 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
4047 		break;
4048 	case OPC_OUB_GET_DEV_HANDLE:
4049 		PM8001_MSG_DBG(pm8001_ha,
4050 			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
4051 		break;
4052 	case OPC_OUB_SATA_COMP:
4053 		PM8001_MSG_DBG(pm8001_ha,
4054 			pm8001_printk("OPC_OUB_SATA_COMP\n"));
4055 		mpi_sata_completion(pm8001_ha, piomb);
4056 		break;
4057 	case OPC_OUB_SATA_EVENT:
4058 		PM8001_MSG_DBG(pm8001_ha,
4059 			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
4060 		mpi_sata_event(pm8001_ha, piomb);
4061 		break;
4062 	case OPC_OUB_SSP_EVENT:
4063 		PM8001_MSG_DBG(pm8001_ha,
4064 			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
4065 		mpi_ssp_event(pm8001_ha, piomb);
4066 		break;
4067 	case OPC_OUB_DEV_HANDLE_ARRIV:
4068 		PM8001_MSG_DBG(pm8001_ha,
4069 			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
4070 		/*This is for target*/
4071 		break;
4072 	case OPC_OUB_SSP_RECV_EVENT:
4073 		PM8001_MSG_DBG(pm8001_ha,
4074 			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
4075 		/*This is for target*/
4076 		break;
4077 	case OPC_OUB_DEV_INFO:
4078 		PM8001_MSG_DBG(pm8001_ha,
4079 			pm8001_printk("OPC_OUB_DEV_INFO\n"));
4080 		break;
4081 	case OPC_OUB_FW_FLASH_UPDATE:
4082 		PM8001_MSG_DBG(pm8001_ha,
4083 			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
4084 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
4085 		break;
4086 	case OPC_OUB_GPIO_RESPONSE:
4087 		PM8001_MSG_DBG(pm8001_ha,
4088 			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
4089 		break;
4090 	case OPC_OUB_GPIO_EVENT:
4091 		PM8001_MSG_DBG(pm8001_ha,
4092 			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
4093 		break;
4094 	case OPC_OUB_GENERAL_EVENT:
4095 		PM8001_MSG_DBG(pm8001_ha,
4096 			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
4097 		pm8001_mpi_general_event(pm8001_ha, piomb);
4098 		break;
4099 	case OPC_OUB_SSP_ABORT_RSP:
4100 		PM8001_MSG_DBG(pm8001_ha,
4101 			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
4102 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4103 		break;
4104 	case OPC_OUB_SATA_ABORT_RSP:
4105 		PM8001_MSG_DBG(pm8001_ha,
4106 			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
4107 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4108 		break;
4109 	case OPC_OUB_SAS_DIAG_MODE_START_END:
4110 		PM8001_MSG_DBG(pm8001_ha,
4111 			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
4112 		break;
4113 	case OPC_OUB_SAS_DIAG_EXECUTE:
4114 		PM8001_MSG_DBG(pm8001_ha,
4115 			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
4116 		break;
4117 	case OPC_OUB_GET_TIME_STAMP:
4118 		PM8001_MSG_DBG(pm8001_ha,
4119 			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
4120 		break;
4121 	case OPC_OUB_SAS_HW_EVENT_ACK:
4122 		PM8001_MSG_DBG(pm8001_ha,
4123 			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
4124 		break;
4125 	case OPC_OUB_PORT_CONTROL:
4126 		PM8001_MSG_DBG(pm8001_ha,
4127 			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
4128 		break;
4129 	case OPC_OUB_SMP_ABORT_RSP:
4130 		PM8001_MSG_DBG(pm8001_ha,
4131 			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
4132 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4133 		break;
4134 	case OPC_OUB_GET_NVMD_DATA:
4135 		PM8001_MSG_DBG(pm8001_ha,
4136 			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
4137 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
4138 		break;
4139 	case OPC_OUB_SET_NVMD_DATA:
4140 		PM8001_MSG_DBG(pm8001_ha,
4141 			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
4142 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
4143 		break;
4144 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
4145 		PM8001_MSG_DBG(pm8001_ha,
4146 			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
4147 		break;
4148 	case OPC_OUB_SET_DEVICE_STATE:
4149 		PM8001_MSG_DBG(pm8001_ha,
4150 			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
4151 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4152 		break;
4153 	case OPC_OUB_GET_DEVICE_STATE:
4154 		PM8001_MSG_DBG(pm8001_ha,
4155 			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
4156 		break;
4157 	case OPC_OUB_SET_DEV_INFO:
4158 		PM8001_MSG_DBG(pm8001_ha,
4159 			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
4160 		break;
4161 	case OPC_OUB_SAS_RE_INITIALIZE:
4162 		PM8001_MSG_DBG(pm8001_ha,
4163 			pm8001_printk("OPC_OUB_SAS_RE_INITIALIZE\n"));
4164 		break;
4165 	default:
4166 		PM8001_MSG_DBG(pm8001_ha,
4167 			pm8001_printk("Unknown outbound Queue IOMB OPC = %x\n",
4168 			opc));
4169 		break;
4170 	}
4171 }
4172 
4173 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4174 {
4175 	struct outbound_queue_table *circularQ;
4176 	void *pMsg1 = NULL;
4177 	u8 uninitialized_var(bc);
4178 	u32 ret = MPI_IO_STATUS_FAIL;
4179 	unsigned long flags;
4180 
4181 	spin_lock_irqsave(&pm8001_ha->lock, flags);
4182 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4183 	do {
4184 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4185 		if (MPI_IO_STATUS_SUCCESS == ret) {
4186 			/* process the outbound message */
4187 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
4188 			/* free the message from the outbound circular buffer */
4189 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4190 							circularQ, bc);
4191 		}
4192 		if (MPI_IO_STATUS_BUSY == ret) {
4193 			/* Update the producer index from SPC */
4194 			circularQ->producer_index =
4195 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4196 			if (le32_to_cpu(circularQ->producer_index) ==
4197 				circularQ->consumer_idx)
4198 				/* OQ is empty */
4199 				break;
4200 		}
4201 	} while (1);
4202 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4203 	return ret;
4204 }
4205 
4206 /* DMA_... to our direction translation. */
4207 static const u8 data_dir_flags[] = {
4208 	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
4209 	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
4210 	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
4211 	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
4212 };
4213 void
4214 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
4215 {
4216 	int i;
4217 	struct scatterlist *sg;
4218 	struct pm8001_prd *buf_prd = prd;
4219 
4220 	for_each_sg(scatter, sg, nr, i) {
4221 		buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
4222 		buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
4223 		buf_prd->im_len.e = 0;
4224 		buf_prd++;
4225 	}
4226 }
4227 
4228 static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
4229 {
4230 	psmp_cmd->tag = hTag;
4231 	psmp_cmd->device_id = cpu_to_le32(deviceID);
4232 	psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4233 }
4234 
4235 /**
4236  * pm8001_chip_smp_req - send a SMP task to FW
4237  * @pm8001_ha: our hba card information.
4238  * @ccb: the ccb information this request used.
4239  */
4240 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4241 	struct pm8001_ccb_info *ccb)
4242 {
4243 	int elem, rc;
4244 	struct sas_task *task = ccb->task;
4245 	struct domain_device *dev = task->dev;
4246 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4247 	struct scatterlist *sg_req, *sg_resp;
4248 	u32 req_len, resp_len;
4249 	struct smp_req smp_cmd;
4250 	u32 opc;
4251 	struct inbound_queue_table *circularQ;
4252 
4253 	memset(&smp_cmd, 0, sizeof(smp_cmd));
4254 	/*
4255 	 * DMA-map SMP request, response buffers
4256 	 */
4257 	sg_req = &task->smp_task.smp_req;
4258 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4259 	if (!elem)
4260 		return -ENOMEM;
4261 	req_len = sg_dma_len(sg_req);
4262 
4263 	sg_resp = &task->smp_task.smp_resp;
4264 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4265 	if (!elem) {
4266 		rc = -ENOMEM;
4267 		goto err_out;
4268 	}
4269 	resp_len = sg_dma_len(sg_resp);
4270 	/* must be in dwords */
4271 	if ((req_len & 0x3) || (resp_len & 0x3)) {
4272 		rc = -EINVAL;
4273 		goto err_out_2;
4274 	}
4275 
4276 	opc = OPC_INB_SMP_REQUEST;
4277 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4278 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4279 	smp_cmd.long_smp_req.long_req_addr =
4280 		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4281 	smp_cmd.long_smp_req.long_req_size =
4282 		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4283 	smp_cmd.long_smp_req.long_resp_addr =
4284 		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
4285 	smp_cmd.long_smp_req.long_resp_size =
4286 		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4287 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
4288 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4289 					(u32 *)&smp_cmd, 0);
4290 	if (rc)
4291 		goto err_out_2;
4292 
4293 	return 0;
4294 
4295 err_out_2:
4296 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4297 			DMA_FROM_DEVICE);
4298 err_out:
4299 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4300 			DMA_TO_DEVICE);
4301 	return rc;
4302 }
4303 
4304 /**
4305  * pm8001_chip_ssp_io_req - send a SSP task to FW
4306  * @pm8001_ha: our hba card information.
4307  * @ccb: the ccb information this request used.
4308  */
4309 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4310 	struct pm8001_ccb_info *ccb)
4311 {
4312 	struct sas_task *task = ccb->task;
4313 	struct domain_device *dev = task->dev;
4314 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4315 	struct ssp_ini_io_start_req ssp_cmd;
4316 	u32 tag = ccb->ccb_tag;
4317 	int ret;
4318 	u64 phys_addr;
4319 	struct inbound_queue_table *circularQ;
4320 	u32 opc = OPC_INB_SSPINIIOSTART;
4321 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4322 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4323 	ssp_cmd.dir_m_tlr =
4324 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
4325 	SAS 1.1 compatible TLR*/
4326 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4327 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4328 	ssp_cmd.tag = cpu_to_le32(tag);
4329 	if (task->ssp_task.enable_first_burst)
4330 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4331 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4332 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4333 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4334 	       task->ssp_task.cmd->cmd_len);
4335 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4336 
4337 	/* fill in PRD (scatter/gather) table, if any */
4338 	if (task->num_scatter > 1) {
4339 		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4340 		phys_addr = ccb->ccb_dma_handle +
4341 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4342 		ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4343 		ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4344 		ssp_cmd.esgl = cpu_to_le32(1<<31);
4345 	} else if (task->num_scatter == 1) {
4346 		u64 dma_addr = sg_dma_address(task->scatter);
4347 		ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4348 		ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4349 		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4350 		ssp_cmd.esgl = 0;
4351 	} else if (task->num_scatter == 0) {
4352 		ssp_cmd.addr_low = 0;
4353 		ssp_cmd.addr_high = 0;
4354 		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4355 		ssp_cmd.esgl = 0;
4356 	}
4357 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd, 0);
4358 	return ret;
4359 }
4360 
4361 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4362 	struct pm8001_ccb_info *ccb)
4363 {
4364 	struct sas_task *task = ccb->task;
4365 	struct domain_device *dev = task->dev;
4366 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4367 	u32 tag = ccb->ccb_tag;
4368 	int ret;
4369 	struct sata_start_req sata_cmd;
4370 	u32 hdr_tag, ncg_tag = 0;
4371 	u64 phys_addr;
4372 	u32 ATAP = 0x0;
4373 	u32 dir;
4374 	struct inbound_queue_table *circularQ;
4375 	unsigned long flags;
4376 	u32  opc = OPC_INB_SATA_HOST_OPSTART;
4377 	memset(&sata_cmd, 0, sizeof(sata_cmd));
4378 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4379 	if (task->data_dir == DMA_NONE) {
4380 		ATAP = 0x04;  /* no data*/
4381 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4382 	} else if (likely(!task->ata_task.device_control_reg_update)) {
4383 		if (task->ata_task.dma_xfer) {
4384 			ATAP = 0x06; /* DMA */
4385 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4386 		} else {
4387 			ATAP = 0x05; /* PIO*/
4388 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4389 		}
4390 		if (task->ata_task.use_ncq &&
4391 			dev->sata_dev.class != ATA_DEV_ATAPI) {
4392 			ATAP = 0x07; /* FPDMA */
4393 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4394 		}
4395 	}
4396 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4397 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4398 		ncg_tag = hdr_tag;
4399 	}
4400 	dir = data_dir_flags[task->data_dir] << 8;
4401 	sata_cmd.tag = cpu_to_le32(tag);
4402 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4403 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4404 	sata_cmd.ncqtag_atap_dir_m =
4405 		cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
4406 	sata_cmd.sata_fis = task->ata_task.fis;
4407 	if (likely(!task->ata_task.device_control_reg_update))
4408 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4409 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4410 	/* fill in PRD (scatter/gather) table, if any */
4411 	if (task->num_scatter > 1) {
4412 		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4413 		phys_addr = ccb->ccb_dma_handle +
4414 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4415 		sata_cmd.addr_low = lower_32_bits(phys_addr);
4416 		sata_cmd.addr_high = upper_32_bits(phys_addr);
4417 		sata_cmd.esgl = cpu_to_le32(1 << 31);
4418 	} else if (task->num_scatter == 1) {
4419 		u64 dma_addr = sg_dma_address(task->scatter);
4420 		sata_cmd.addr_low = lower_32_bits(dma_addr);
4421 		sata_cmd.addr_high = upper_32_bits(dma_addr);
4422 		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4423 		sata_cmd.esgl = 0;
4424 	} else if (task->num_scatter == 0) {
4425 		sata_cmd.addr_low = 0;
4426 		sata_cmd.addr_high = 0;
4427 		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4428 		sata_cmd.esgl = 0;
4429 	}
4430 
4431 	/* Check for read log for failed drive and return */
4432 	if (sata_cmd.sata_fis.command == 0x2f) {
4433 		if (((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4434 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4435 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4436 			struct task_status_struct *ts;
4437 
4438 			pm8001_ha_dev->id &= 0xDFFFFFFF;
4439 			ts = &task->task_status;
4440 
4441 			spin_lock_irqsave(&task->task_state_lock, flags);
4442 			ts->resp = SAS_TASK_COMPLETE;
4443 			ts->stat = SAM_STAT_GOOD;
4444 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4445 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4446 			task->task_state_flags |= SAS_TASK_STATE_DONE;
4447 			if (unlikely((task->task_state_flags &
4448 					SAS_TASK_STATE_ABORTED))) {
4449 				spin_unlock_irqrestore(&task->task_state_lock,
4450 							flags);
4451 				PM8001_FAIL_DBG(pm8001_ha,
4452 					pm8001_printk("task 0x%p resp 0x%x "
4453 					" stat 0x%x but aborted by upper layer "
4454 					"\n", task, ts->resp, ts->stat));
4455 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4456 			} else {
4457 				spin_unlock_irqrestore(&task->task_state_lock,
4458 							flags);
4459 				pm8001_ccb_task_free_done(pm8001_ha, task,
4460 								ccb, tag);
4461 				return 0;
4462 			}
4463 		}
4464 	}
4465 
4466 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
4467 	return ret;
4468 }
4469 
4470 /**
4471  * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4472  * @pm8001_ha: our hba card information.
4473  * @num: the inbound queue number
4474  * @phy_id: the phy id which we wanted to start up.
4475  */
4476 static int
4477 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4478 {
4479 	struct phy_start_req payload;
4480 	struct inbound_queue_table *circularQ;
4481 	int ret;
4482 	u32 tag = 0x01;
4483 	u32 opcode = OPC_INB_PHYSTART;
4484 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4485 	memset(&payload, 0, sizeof(payload));
4486 	payload.tag = cpu_to_le32(tag);
4487 	/*
4488 	 ** [0:7]   PHY Identifier
4489 	 ** [8:11]  link rate 1.5G, 3G, 6G
4490 	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4491 	 ** [14]    0b disable spin up hold; 1b enable spin up hold
4492 	 */
4493 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4494 		LINKMODE_AUTO |	LINKRATE_15 |
4495 		LINKRATE_30 | LINKRATE_60 | phy_id);
4496 	payload.sas_identify.dev_type = SAS_END_DEVICE;
4497 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4498 	memcpy(payload.sas_identify.sas_addr,
4499 		pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4500 	payload.sas_identify.phy_id = phy_id;
4501 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4502 	return ret;
4503 }
4504 
4505 /**
4506  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4507  * @pm8001_ha: our hba card information.
4508  * @num: the inbound queue number
4509  * @phy_id: the phy id which we wanted to start up.
4510  */
4511 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4512 				    u8 phy_id)
4513 {
4514 	struct phy_stop_req payload;
4515 	struct inbound_queue_table *circularQ;
4516 	int ret;
4517 	u32 tag = 0x01;
4518 	u32 opcode = OPC_INB_PHYSTOP;
4519 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4520 	memset(&payload, 0, sizeof(payload));
4521 	payload.tag = cpu_to_le32(tag);
4522 	payload.phy_id = cpu_to_le32(phy_id);
4523 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4524 	return ret;
4525 }
4526 
4527 /**
4528  * see comments on pm8001_mpi_reg_resp.
4529  */
4530 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4531 	struct pm8001_device *pm8001_dev, u32 flag)
4532 {
4533 	struct reg_dev_req payload;
4534 	u32	opc;
4535 	u32 stp_sspsmp_sata = 0x4;
4536 	struct inbound_queue_table *circularQ;
4537 	u32 linkrate, phy_id;
4538 	int rc, tag = 0xdeadbeef;
4539 	struct pm8001_ccb_info *ccb;
4540 	u8 retryFlag = 0x1;
4541 	u16 firstBurstSize = 0;
4542 	u16 ITNT = 2000;
4543 	struct domain_device *dev = pm8001_dev->sas_device;
4544 	struct domain_device *parent_dev = dev->parent;
4545 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4546 
4547 	memset(&payload, 0, sizeof(payload));
4548 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4549 	if (rc)
4550 		return rc;
4551 	ccb = &pm8001_ha->ccb_info[tag];
4552 	ccb->device = pm8001_dev;
4553 	ccb->ccb_tag = tag;
4554 	payload.tag = cpu_to_le32(tag);
4555 	if (flag == 1)
4556 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4557 	else {
4558 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4559 			stp_sspsmp_sata = 0x00; /* stp*/
4560 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4561 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4562 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4563 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4564 	}
4565 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4566 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4567 	else
4568 		phy_id = pm8001_dev->attached_phy;
4569 	opc = OPC_INB_REG_DEV;
4570 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4571 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4572 	payload.phyid_portid =
4573 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0x0F) |
4574 		((phy_id & 0x0F) << 4));
4575 	payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4576 		((linkrate & 0x0F) * 0x1000000) |
4577 		((stp_sspsmp_sata & 0x03) * 0x10000000));
4578 	payload.firstburstsize_ITNexustimeout =
4579 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4580 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4581 		SAS_ADDR_SIZE);
4582 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4583 	return rc;
4584 }
4585 
4586 /**
4587  * see comments on pm8001_mpi_reg_resp.
4588  */
4589 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4590 	u32 device_id)
4591 {
4592 	struct dereg_dev_req payload;
4593 	u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4594 	int ret;
4595 	struct inbound_queue_table *circularQ;
4596 
4597 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4598 	memset(&payload, 0, sizeof(payload));
4599 	payload.tag = cpu_to_le32(1);
4600 	payload.device_id = cpu_to_le32(device_id);
4601 	PM8001_MSG_DBG(pm8001_ha,
4602 		pm8001_printk("unregister device device_id = %d\n", device_id));
4603 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4604 	return ret;
4605 }
4606 
4607 /**
4608  * pm8001_chip_phy_ctl_req - support the local phy operation
4609  * @pm8001_ha: our hba card information.
4610  * @num: the inbound queue number
4611  * @phy_id: the phy id which we wanted to operate
4612  * @phy_op:
4613  */
4614 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4615 	u32 phyId, u32 phy_op)
4616 {
4617 	struct local_phy_ctl_req payload;
4618 	struct inbound_queue_table *circularQ;
4619 	int ret;
4620 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4621 	memset(&payload, 0, sizeof(payload));
4622 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4623 	payload.tag = cpu_to_le32(1);
4624 	payload.phyop_phyid =
4625 		cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4626 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4627 	return ret;
4628 }
4629 
4630 static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4631 {
4632 	u32 value;
4633 #ifdef PM8001_USE_MSIX
4634 	return 1;
4635 #endif
4636 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4637 	if (value)
4638 		return 1;
4639 	return 0;
4640 
4641 }
4642 
4643 /**
4644  * pm8001_chip_isr - PM8001 isr handler.
4645  * @pm8001_ha: our hba card information.
4646  * @irq: irq number.
4647  * @stat: stat.
4648  */
4649 static irqreturn_t
4650 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4651 {
4652 	pm8001_chip_interrupt_disable(pm8001_ha, vec);
4653 	process_oq(pm8001_ha, vec);
4654 	pm8001_chip_interrupt_enable(pm8001_ha, vec);
4655 	return IRQ_HANDLED;
4656 }
4657 
4658 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4659 	u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag)
4660 {
4661 	struct task_abort_req task_abort;
4662 	struct inbound_queue_table *circularQ;
4663 	int ret;
4664 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4665 	memset(&task_abort, 0, sizeof(task_abort));
4666 	if (ABORT_SINGLE == (flag & ABORT_MASK)) {
4667 		task_abort.abort_all = 0;
4668 		task_abort.device_id = cpu_to_le32(dev_id);
4669 		task_abort.tag_to_abort = cpu_to_le32(task_tag);
4670 		task_abort.tag = cpu_to_le32(cmd_tag);
4671 	} else if (ABORT_ALL == (flag & ABORT_MASK)) {
4672 		task_abort.abort_all = cpu_to_le32(1);
4673 		task_abort.device_id = cpu_to_le32(dev_id);
4674 		task_abort.tag = cpu_to_le32(cmd_tag);
4675 	}
4676 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
4677 	return ret;
4678 }
4679 
4680 /**
4681  * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4682  * @task: the task we wanted to aborted.
4683  * @flag: the abort flag.
4684  */
4685 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4686 	struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
4687 {
4688 	u32 opc, device_id;
4689 	int rc = TMF_RESP_FUNC_FAILED;
4690 	PM8001_EH_DBG(pm8001_ha,
4691 		pm8001_printk("cmd_tag = %x, abort task tag = 0x%x",
4692 			cmd_tag, task_tag));
4693 	if (pm8001_dev->dev_type == SAS_END_DEVICE)
4694 		opc = OPC_INB_SSP_ABORT;
4695 	else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4696 		opc = OPC_INB_SATA_ABORT;
4697 	else
4698 		opc = OPC_INB_SMP_ABORT;/* SMP */
4699 	device_id = pm8001_dev->device_id;
4700 	rc = send_task_abort(pm8001_ha, opc, device_id, flag,
4701 		task_tag, cmd_tag);
4702 	if (rc != TMF_RESP_FUNC_COMPLETE)
4703 		PM8001_EH_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));
4704 	return rc;
4705 }
4706 
4707 /**
4708  * pm8001_chip_ssp_tm_req - built the task management command.
4709  * @pm8001_ha: our hba card information.
4710  * @ccb: the ccb information.
4711  * @tmf: task management function.
4712  */
4713 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4714 	struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
4715 {
4716 	struct sas_task *task = ccb->task;
4717 	struct domain_device *dev = task->dev;
4718 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4719 	u32 opc = OPC_INB_SSPINITMSTART;
4720 	struct inbound_queue_table *circularQ;
4721 	struct ssp_ini_tm_start_req sspTMCmd;
4722 	int ret;
4723 
4724 	memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4725 	sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4726 	sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);
4727 	sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4728 	memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4729 	sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4730 	if (pm8001_ha->chip_id != chip_8001)
4731 		sspTMCmd.ds_ads_m = 0x08;
4732 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4733 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd, 0);
4734 	return ret;
4735 }
4736 
4737 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4738 	void *payload)
4739 {
4740 	u32 opc = OPC_INB_GET_NVMD_DATA;
4741 	u32 nvmd_type;
4742 	int rc;
4743 	u32 tag;
4744 	struct pm8001_ccb_info *ccb;
4745 	struct inbound_queue_table *circularQ;
4746 	struct get_nvm_data_req nvmd_req;
4747 	struct fw_control_ex *fw_control_context;
4748 	struct pm8001_ioctl_payload *ioctl_payload = payload;
4749 
4750 	nvmd_type = ioctl_payload->minor_function;
4751 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4752 	if (!fw_control_context)
4753 		return -ENOMEM;
4754 	fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4755 	fw_control_context->len = ioctl_payload->length;
4756 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4757 	memset(&nvmd_req, 0, sizeof(nvmd_req));
4758 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4759 	if (rc) {
4760 		kfree(fw_control_context);
4761 		return rc;
4762 	}
4763 	ccb = &pm8001_ha->ccb_info[tag];
4764 	ccb->ccb_tag = tag;
4765 	ccb->fw_control_context = fw_control_context;
4766 	nvmd_req.tag = cpu_to_le32(tag);
4767 
4768 	switch (nvmd_type) {
4769 	case TWI_DEVICE: {
4770 		u32 twi_addr, twi_page_size;
4771 		twi_addr = 0xa8;
4772 		twi_page_size = 2;
4773 
4774 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4775 			twi_page_size << 8 | TWI_DEVICE);
4776 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4777 		nvmd_req.resp_addr_hi =
4778 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4779 		nvmd_req.resp_addr_lo =
4780 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4781 		break;
4782 	}
4783 	case C_SEEPROM: {
4784 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4785 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4786 		nvmd_req.resp_addr_hi =
4787 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4788 		nvmd_req.resp_addr_lo =
4789 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4790 		break;
4791 	}
4792 	case VPD_FLASH: {
4793 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4794 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4795 		nvmd_req.resp_addr_hi =
4796 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4797 		nvmd_req.resp_addr_lo =
4798 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4799 		break;
4800 	}
4801 	case EXPAN_ROM: {
4802 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4803 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4804 		nvmd_req.resp_addr_hi =
4805 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4806 		nvmd_req.resp_addr_lo =
4807 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4808 		break;
4809 	}
4810 	case IOP_RDUMP: {
4811 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4812 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4813 		nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
4814 		nvmd_req.resp_addr_hi =
4815 		cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4816 		nvmd_req.resp_addr_lo =
4817 		cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4818 		break;
4819 	}
4820 	default:
4821 		break;
4822 	}
4823 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
4824 	if (rc) {
4825 		kfree(fw_control_context);
4826 		pm8001_tag_free(pm8001_ha, tag);
4827 	}
4828 	return rc;
4829 }
4830 
4831 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4832 	void *payload)
4833 {
4834 	u32 opc = OPC_INB_SET_NVMD_DATA;
4835 	u32 nvmd_type;
4836 	int rc;
4837 	u32 tag;
4838 	struct pm8001_ccb_info *ccb;
4839 	struct inbound_queue_table *circularQ;
4840 	struct set_nvm_data_req nvmd_req;
4841 	struct fw_control_ex *fw_control_context;
4842 	struct pm8001_ioctl_payload *ioctl_payload = payload;
4843 
4844 	nvmd_type = ioctl_payload->minor_function;
4845 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4846 	if (!fw_control_context)
4847 		return -ENOMEM;
4848 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4849 	memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4850 		&ioctl_payload->func_specific,
4851 		ioctl_payload->length);
4852 	memset(&nvmd_req, 0, sizeof(nvmd_req));
4853 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4854 	if (rc) {
4855 		kfree(fw_control_context);
4856 		return -EBUSY;
4857 	}
4858 	ccb = &pm8001_ha->ccb_info[tag];
4859 	ccb->fw_control_context = fw_control_context;
4860 	ccb->ccb_tag = tag;
4861 	nvmd_req.tag = cpu_to_le32(tag);
4862 	switch (nvmd_type) {
4863 	case TWI_DEVICE: {
4864 		u32 twi_addr, twi_page_size;
4865 		twi_addr = 0xa8;
4866 		twi_page_size = 2;
4867 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4868 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4869 			twi_page_size << 8 | TWI_DEVICE);
4870 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4871 		nvmd_req.resp_addr_hi =
4872 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4873 		nvmd_req.resp_addr_lo =
4874 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4875 		break;
4876 	}
4877 	case C_SEEPROM:
4878 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4879 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4880 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4881 		nvmd_req.resp_addr_hi =
4882 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4883 		nvmd_req.resp_addr_lo =
4884 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4885 		break;
4886 	case VPD_FLASH:
4887 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4888 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4889 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4890 		nvmd_req.resp_addr_hi =
4891 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4892 		nvmd_req.resp_addr_lo =
4893 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4894 		break;
4895 	case EXPAN_ROM:
4896 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4897 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4898 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4899 		nvmd_req.resp_addr_hi =
4900 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4901 		nvmd_req.resp_addr_lo =
4902 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4903 		break;
4904 	default:
4905 		break;
4906 	}
4907 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
4908 	if (rc) {
4909 		kfree(fw_control_context);
4910 		pm8001_tag_free(pm8001_ha, tag);
4911 	}
4912 	return rc;
4913 }
4914 
4915 /**
4916  * pm8001_chip_fw_flash_update_build - support the firmware update operation
4917  * @pm8001_ha: our hba card information.
4918  * @fw_flash_updata_info: firmware flash update param
4919  */
4920 int
4921 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4922 	void *fw_flash_updata_info, u32 tag)
4923 {
4924 	struct fw_flash_Update_req payload;
4925 	struct fw_flash_updata_info *info;
4926 	struct inbound_queue_table *circularQ;
4927 	int ret;
4928 	u32 opc = OPC_INB_FW_FLASH_UPDATE;
4929 
4930 	memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4931 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4932 	info = fw_flash_updata_info;
4933 	payload.tag = cpu_to_le32(tag);
4934 	payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4935 	payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4936 	payload.total_image_len = cpu_to_le32(info->total_image_len);
4937 	payload.len = info->sgl.im_len.len ;
4938 	payload.sgl_addr_lo =
4939 		cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4940 	payload.sgl_addr_hi =
4941 		cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4942 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4943 	return ret;
4944 }
4945 
4946 int
4947 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4948 	void *payload)
4949 {
4950 	struct fw_flash_updata_info flash_update_info;
4951 	struct fw_control_info *fw_control;
4952 	struct fw_control_ex *fw_control_context;
4953 	int rc;
4954 	u32 tag;
4955 	struct pm8001_ccb_info *ccb;
4956 	void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4957 	dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
4958 	struct pm8001_ioctl_payload *ioctl_payload = payload;
4959 
4960 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4961 	if (!fw_control_context)
4962 		return -ENOMEM;
4963 	fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4964 	memcpy(buffer, fw_control->buffer, fw_control->len);
4965 	flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4966 	flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4967 	flash_update_info.sgl.im_len.e = 0;
4968 	flash_update_info.cur_image_offset = fw_control->offset;
4969 	flash_update_info.cur_image_len = fw_control->len;
4970 	flash_update_info.total_image_len = fw_control->size;
4971 	fw_control_context->fw_control = fw_control;
4972 	fw_control_context->virtAddr = buffer;
4973 	fw_control_context->phys_addr = phys_addr;
4974 	fw_control_context->len = fw_control->len;
4975 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4976 	if (rc) {
4977 		kfree(fw_control_context);
4978 		return -EBUSY;
4979 	}
4980 	ccb = &pm8001_ha->ccb_info[tag];
4981 	ccb->fw_control_context = fw_control_context;
4982 	ccb->ccb_tag = tag;
4983 	rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4984 		tag);
4985 	return rc;
4986 }
4987 
4988 ssize_t
4989 pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4990 {
4991 	u32 value, rem, offset = 0, bar = 0;
4992 	u32 index, work_offset, dw_length;
4993 	u32 shift_value, gsm_base, gsm_dump_offset;
4994 	char *direct_data;
4995 	struct Scsi_Host *shost = class_to_shost(cdev);
4996 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4997 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4998 
4999 	direct_data = buf;
5000 	gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
5001 
5002 	/* check max is 1 Mbytes */
5003 	if ((length > 0x100000) || (gsm_dump_offset & 3) ||
5004 		((gsm_dump_offset + length) > 0x1000000))
5005 			return -EINVAL;
5006 
5007 	if (pm8001_ha->chip_id == chip_8001)
5008 		bar = 2;
5009 	else
5010 		bar = 1;
5011 
5012 	work_offset = gsm_dump_offset & 0xFFFF0000;
5013 	offset = gsm_dump_offset & 0x0000FFFF;
5014 	gsm_dump_offset = work_offset;
5015 	/* adjust length to dword boundary */
5016 	rem = length & 3;
5017 	dw_length = length >> 2;
5018 
5019 	for (index = 0; index < dw_length; index++) {
5020 		if ((work_offset + offset) & 0xFFFF0000) {
5021 			if (pm8001_ha->chip_id == chip_8001)
5022 				shift_value = ((gsm_dump_offset + offset) &
5023 						SHIFT_REG_64K_MASK);
5024 			else
5025 				shift_value = (((gsm_dump_offset + offset) &
5026 						SHIFT_REG_64K_MASK) >>
5027 						SHIFT_REG_BIT_SHIFT);
5028 
5029 			if (pm8001_ha->chip_id == chip_8001) {
5030 				gsm_base = GSM_BASE;
5031 				if (-1 == pm8001_bar4_shift(pm8001_ha,
5032 						(gsm_base + shift_value)))
5033 					return -EIO;
5034 			} else {
5035 				gsm_base = 0;
5036 				if (-1 == pm80xx_bar4_shift(pm8001_ha,
5037 						(gsm_base + shift_value)))
5038 					return -EIO;
5039 			}
5040 			gsm_dump_offset = (gsm_dump_offset + offset) &
5041 						0xFFFF0000;
5042 			work_offset = 0;
5043 			offset = offset & 0x0000FFFF;
5044 		}
5045 		value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
5046 						0x0000FFFF);
5047 		direct_data += sprintf(direct_data, "%08x ", value);
5048 		offset += 4;
5049 	}
5050 	if (rem != 0) {
5051 		value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
5052 						0x0000FFFF);
5053 		/* xfr for non_dw */
5054 		direct_data += sprintf(direct_data, "%08x ", value);
5055 	}
5056 	/* Shift back to BAR4 original address */
5057 	if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
5058 			return -EIO;
5059 	pm8001_ha->fatal_forensic_shift_offset += 1024;
5060 
5061 	if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
5062 		pm8001_ha->fatal_forensic_shift_offset = 0;
5063 	return direct_data - buf;
5064 }
5065 
5066 int
5067 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
5068 	struct pm8001_device *pm8001_dev, u32 state)
5069 {
5070 	struct set_dev_state_req payload;
5071 	struct inbound_queue_table *circularQ;
5072 	struct pm8001_ccb_info *ccb;
5073 	int rc;
5074 	u32 tag;
5075 	u32 opc = OPC_INB_SET_DEVICE_STATE;
5076 	memset(&payload, 0, sizeof(payload));
5077 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5078 	if (rc)
5079 		return -1;
5080 	ccb = &pm8001_ha->ccb_info[tag];
5081 	ccb->ccb_tag = tag;
5082 	ccb->device = pm8001_dev;
5083 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5084 	payload.tag = cpu_to_le32(tag);
5085 	payload.device_id = cpu_to_le32(pm8001_dev->device_id);
5086 	payload.nds = cpu_to_le32(state);
5087 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
5088 	return rc;
5089 
5090 }
5091 
5092 static int
5093 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
5094 {
5095 	struct sas_re_initialization_req payload;
5096 	struct inbound_queue_table *circularQ;
5097 	struct pm8001_ccb_info *ccb;
5098 	int rc;
5099 	u32 tag;
5100 	u32 opc = OPC_INB_SAS_RE_INITIALIZE;
5101 	memset(&payload, 0, sizeof(payload));
5102 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5103 	if (rc)
5104 		return -ENOMEM;
5105 	ccb = &pm8001_ha->ccb_info[tag];
5106 	ccb->ccb_tag = tag;
5107 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5108 	payload.tag = cpu_to_le32(tag);
5109 	payload.SSAHOLT = cpu_to_le32(0xd << 25);
5110 	payload.sata_hol_tmo = cpu_to_le32(80);
5111 	payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
5112 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
5113 	if (rc)
5114 		pm8001_tag_free(pm8001_ha, tag);
5115 	return rc;
5116 
5117 }
5118 
5119 const struct pm8001_dispatch pm8001_8001_dispatch = {
5120 	.name			= "pmc8001",
5121 	.chip_init		= pm8001_chip_init,
5122 	.chip_soft_rst		= pm8001_chip_soft_rst,
5123 	.chip_rst		= pm8001_hw_chip_rst,
5124 	.chip_iounmap		= pm8001_chip_iounmap,
5125 	.isr			= pm8001_chip_isr,
5126 	.is_our_interupt	= pm8001_chip_is_our_interupt,
5127 	.isr_process_oq		= process_oq,
5128 	.interrupt_enable 	= pm8001_chip_interrupt_enable,
5129 	.interrupt_disable	= pm8001_chip_interrupt_disable,
5130 	.make_prd		= pm8001_chip_make_sg,
5131 	.smp_req		= pm8001_chip_smp_req,
5132 	.ssp_io_req		= pm8001_chip_ssp_io_req,
5133 	.sata_req		= pm8001_chip_sata_req,
5134 	.phy_start_req		= pm8001_chip_phy_start_req,
5135 	.phy_stop_req		= pm8001_chip_phy_stop_req,
5136 	.reg_dev_req		= pm8001_chip_reg_dev_req,
5137 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5138 	.phy_ctl_req		= pm8001_chip_phy_ctl_req,
5139 	.task_abort		= pm8001_chip_abort_task,
5140 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5141 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5142 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5143 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5144 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5145 	.sas_re_init_req	= pm8001_chip_sas_re_initialization,
5146 };
5147