xref: /openbmc/linux/drivers/scsi/pm8001/pm8001_hwi.c (revision 171f1bc7)
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 __devinit 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.signature	= pm8001_mr32(address, 0x00);
54 	pm8001_ha->main_cfg_tbl.interface_rev	= pm8001_mr32(address, 0x04);
55 	pm8001_ha->main_cfg_tbl.firmware_rev	= pm8001_mr32(address, 0x08);
56 	pm8001_ha->main_cfg_tbl.max_out_io	= pm8001_mr32(address, 0x0C);
57 	pm8001_ha->main_cfg_tbl.max_sgl		= pm8001_mr32(address, 0x10);
58 	pm8001_ha->main_cfg_tbl.ctrl_cap_flag	= pm8001_mr32(address, 0x14);
59 	pm8001_ha->main_cfg_tbl.gst_offset	= pm8001_mr32(address, 0x18);
60 	pm8001_ha->main_cfg_tbl.inbound_queue_offset =
61 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
62 	pm8001_ha->main_cfg_tbl.outbound_queue_offset =
63 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
64 	pm8001_ha->main_cfg_tbl.hda_mode_flag	=
65 		pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
66 
67 	/* read analog Setting offset from the configuration table */
68 	pm8001_ha->main_cfg_tbl.anolog_setup_table_offset =
69 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
70 
71 	/* read Error Dump Offset and Length */
72 	pm8001_ha->main_cfg_tbl.fatal_err_dump_offset0 =
73 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
74 	pm8001_ha->main_cfg_tbl.fatal_err_dump_length0 =
75 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
76 	pm8001_ha->main_cfg_tbl.fatal_err_dump_offset1 =
77 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
78 	pm8001_ha->main_cfg_tbl.fatal_err_dump_length1 =
79 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
80 }
81 
82 /**
83  * read_general_status_table - read the general status table and save it.
84  * @pm8001_ha: our hba card information
85  */
86 static void __devinit
87 read_general_status_table(struct pm8001_hba_info *pm8001_ha)
88 {
89 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
90 	pm8001_ha->gs_tbl.gst_len_mpistate	= pm8001_mr32(address, 0x00);
91 	pm8001_ha->gs_tbl.iq_freeze_state0	= pm8001_mr32(address, 0x04);
92 	pm8001_ha->gs_tbl.iq_freeze_state1	= pm8001_mr32(address, 0x08);
93 	pm8001_ha->gs_tbl.msgu_tcnt		= pm8001_mr32(address, 0x0C);
94 	pm8001_ha->gs_tbl.iop_tcnt		= pm8001_mr32(address, 0x10);
95 	pm8001_ha->gs_tbl.reserved		= pm8001_mr32(address, 0x14);
96 	pm8001_ha->gs_tbl.phy_state[0]	= pm8001_mr32(address, 0x18);
97 	pm8001_ha->gs_tbl.phy_state[1]	= pm8001_mr32(address, 0x1C);
98 	pm8001_ha->gs_tbl.phy_state[2]	= pm8001_mr32(address, 0x20);
99 	pm8001_ha->gs_tbl.phy_state[3]	= pm8001_mr32(address, 0x24);
100 	pm8001_ha->gs_tbl.phy_state[4]	= pm8001_mr32(address, 0x28);
101 	pm8001_ha->gs_tbl.phy_state[5]	= pm8001_mr32(address, 0x2C);
102 	pm8001_ha->gs_tbl.phy_state[6]	= pm8001_mr32(address, 0x30);
103 	pm8001_ha->gs_tbl.phy_state[7]	= pm8001_mr32(address, 0x34);
104 	pm8001_ha->gs_tbl.reserved1		= pm8001_mr32(address, 0x38);
105 	pm8001_ha->gs_tbl.reserved2		= pm8001_mr32(address, 0x3C);
106 	pm8001_ha->gs_tbl.reserved3		= pm8001_mr32(address, 0x40);
107 	pm8001_ha->gs_tbl.recover_err_info[0]	= pm8001_mr32(address, 0x44);
108 	pm8001_ha->gs_tbl.recover_err_info[1]	= pm8001_mr32(address, 0x48);
109 	pm8001_ha->gs_tbl.recover_err_info[2]	= pm8001_mr32(address, 0x4C);
110 	pm8001_ha->gs_tbl.recover_err_info[3]	= pm8001_mr32(address, 0x50);
111 	pm8001_ha->gs_tbl.recover_err_info[4]	= pm8001_mr32(address, 0x54);
112 	pm8001_ha->gs_tbl.recover_err_info[5]	= pm8001_mr32(address, 0x58);
113 	pm8001_ha->gs_tbl.recover_err_info[6]	= pm8001_mr32(address, 0x5C);
114 	pm8001_ha->gs_tbl.recover_err_info[7]	= pm8001_mr32(address, 0x60);
115 }
116 
117 /**
118  * read_inbnd_queue_table - read the inbound queue table and save it.
119  * @pm8001_ha: our hba card information
120  */
121 static void __devinit
122 read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
123 {
124 	int inbQ_num = 1;
125 	int i;
126 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
127 	for (i = 0; i < inbQ_num; i++) {
128 		u32 offset = i * 0x20;
129 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
130 		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
131 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
132 			pm8001_mr32(address, (offset + 0x18));
133 	}
134 }
135 
136 /**
137  * read_outbnd_queue_table - read the outbound queue table and save it.
138  * @pm8001_ha: our hba card information
139  */
140 static void __devinit
141 read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
142 {
143 	int outbQ_num = 1;
144 	int i;
145 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
146 	for (i = 0; i < outbQ_num; i++) {
147 		u32 offset = i * 0x24;
148 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
149 		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
150 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
151 			pm8001_mr32(address, (offset + 0x18));
152 	}
153 }
154 
155 /**
156  * init_default_table_values - init the default table.
157  * @pm8001_ha: our hba card information
158  */
159 static void __devinit
160 init_default_table_values(struct pm8001_hba_info *pm8001_ha)
161 {
162 	int qn = 1;
163 	int i;
164 	u32 offsetib, offsetob;
165 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
166 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
167 
168 	pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd			= 0;
169 	pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3 		= 0;
170 	pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7		= 0;
171 	pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3		= 0;
172 	pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7		= 0;
173 	pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3	= 0;
174 	pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7	= 0;
175 	pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3	= 0;
176 	pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7	= 0;
177 	pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3	= 0;
178 	pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7	= 0;
179 
180 	pm8001_ha->main_cfg_tbl.upper_event_log_addr		=
181 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
182 	pm8001_ha->main_cfg_tbl.lower_event_log_addr		=
183 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
184 	pm8001_ha->main_cfg_tbl.event_log_size	= PM8001_EVENT_LOG_SIZE;
185 	pm8001_ha->main_cfg_tbl.event_log_option		= 0x01;
186 	pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr	=
187 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
188 	pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr	=
189 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
190 	pm8001_ha->main_cfg_tbl.iop_event_log_size	= PM8001_EVENT_LOG_SIZE;
191 	pm8001_ha->main_cfg_tbl.iop_event_log_option		= 0x01;
192 	pm8001_ha->main_cfg_tbl.fatal_err_interrupt		= 0x01;
193 	for (i = 0; i < qn; i++) {
194 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
195 			0x00000100 | (0x00000040 << 16) | (0x00<<30);
196 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
197 			pm8001_ha->memoryMap.region[IB].phys_addr_hi;
198 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
199 		pm8001_ha->memoryMap.region[IB].phys_addr_lo;
200 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
201 			(u8 *)pm8001_ha->memoryMap.region[IB].virt_ptr;
202 		pm8001_ha->inbnd_q_tbl[i].total_length		=
203 			pm8001_ha->memoryMap.region[IB].total_len;
204 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
205 			pm8001_ha->memoryMap.region[CI].phys_addr_hi;
206 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
207 			pm8001_ha->memoryMap.region[CI].phys_addr_lo;
208 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
209 			pm8001_ha->memoryMap.region[CI].virt_ptr;
210 		offsetib = i * 0x20;
211 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
212 			get_pci_bar_index(pm8001_mr32(addressib,
213 				(offsetib + 0x14)));
214 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
215 			pm8001_mr32(addressib, (offsetib + 0x18));
216 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
217 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
218 	}
219 	for (i = 0; i < qn; i++) {
220 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
221 			256 | (64 << 16) | (1<<30);
222 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
223 			pm8001_ha->memoryMap.region[OB].phys_addr_hi;
224 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
225 			pm8001_ha->memoryMap.region[OB].phys_addr_lo;
226 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
227 			(u8 *)pm8001_ha->memoryMap.region[OB].virt_ptr;
228 		pm8001_ha->outbnd_q_tbl[i].total_length		=
229 			pm8001_ha->memoryMap.region[OB].total_len;
230 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
231 			pm8001_ha->memoryMap.region[PI].phys_addr_hi;
232 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
233 			pm8001_ha->memoryMap.region[PI].phys_addr_lo;
234 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay	=
235 			0 | (10 << 16) | (0 << 24);
236 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
237 			pm8001_ha->memoryMap.region[PI].virt_ptr;
238 		offsetob = i * 0x24;
239 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
240 			get_pci_bar_index(pm8001_mr32(addressob,
241 			offsetob + 0x14));
242 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
243 			pm8001_mr32(addressob, (offsetob + 0x18));
244 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
245 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
246 	}
247 }
248 
249 /**
250  * update_main_config_table - update the main default table to the HBA.
251  * @pm8001_ha: our hba card information
252  */
253 static void __devinit
254 update_main_config_table(struct pm8001_hba_info *pm8001_ha)
255 {
256 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
257 	pm8001_mw32(address, 0x24,
258 		pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd);
259 	pm8001_mw32(address, 0x28,
260 		pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3);
261 	pm8001_mw32(address, 0x2C,
262 		pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7);
263 	pm8001_mw32(address, 0x30,
264 		pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3);
265 	pm8001_mw32(address, 0x34,
266 		pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7);
267 	pm8001_mw32(address, 0x38,
268 		pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3);
269 	pm8001_mw32(address, 0x3C,
270 		pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7);
271 	pm8001_mw32(address, 0x40,
272 		pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3);
273 	pm8001_mw32(address, 0x44,
274 		pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7);
275 	pm8001_mw32(address, 0x48,
276 		pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3);
277 	pm8001_mw32(address, 0x4C,
278 		pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7);
279 	pm8001_mw32(address, 0x50,
280 		pm8001_ha->main_cfg_tbl.upper_event_log_addr);
281 	pm8001_mw32(address, 0x54,
282 		pm8001_ha->main_cfg_tbl.lower_event_log_addr);
283 	pm8001_mw32(address, 0x58, pm8001_ha->main_cfg_tbl.event_log_size);
284 	pm8001_mw32(address, 0x5C, pm8001_ha->main_cfg_tbl.event_log_option);
285 	pm8001_mw32(address, 0x60,
286 		pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr);
287 	pm8001_mw32(address, 0x64,
288 		pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr);
289 	pm8001_mw32(address, 0x68, pm8001_ha->main_cfg_tbl.iop_event_log_size);
290 	pm8001_mw32(address, 0x6C,
291 		pm8001_ha->main_cfg_tbl.iop_event_log_option);
292 	pm8001_mw32(address, 0x70,
293 		pm8001_ha->main_cfg_tbl.fatal_err_interrupt);
294 }
295 
296 /**
297  * update_inbnd_queue_table - update the inbound queue table to the HBA.
298  * @pm8001_ha: our hba card information
299  */
300 static void __devinit
301 update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
302 {
303 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
304 	u16 offset = number * 0x20;
305 	pm8001_mw32(address, offset + 0x00,
306 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
307 	pm8001_mw32(address, offset + 0x04,
308 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
309 	pm8001_mw32(address, offset + 0x08,
310 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
311 	pm8001_mw32(address, offset + 0x0C,
312 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
313 	pm8001_mw32(address, offset + 0x10,
314 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
315 }
316 
317 /**
318  * update_outbnd_queue_table - update the outbound queue table to the HBA.
319  * @pm8001_ha: our hba card information
320  */
321 static void __devinit
322 update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
323 {
324 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
325 	u16 offset = number * 0x24;
326 	pm8001_mw32(address, offset + 0x00,
327 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
328 	pm8001_mw32(address, offset + 0x04,
329 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
330 	pm8001_mw32(address, offset + 0x08,
331 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
332 	pm8001_mw32(address, offset + 0x0C,
333 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
334 	pm8001_mw32(address, offset + 0x10,
335 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
336 	pm8001_mw32(address, offset + 0x1C,
337 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
338 }
339 
340 /**
341  * bar4_shift - function is called to shift BAR base address
342  * @pm8001_ha : our hba card information
343  * @shiftValue : shifting value in memory bar.
344  */
345 static int bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
346 {
347 	u32 regVal;
348 	u32 max_wait_count;
349 
350 	/* program the inbound AXI translation Lower Address */
351 	pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
352 
353 	/* confirm the setting is written */
354 	max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
355 	do {
356 		udelay(1);
357 		regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
358 	} while ((regVal != shiftValue) && (--max_wait_count));
359 
360 	if (!max_wait_count) {
361 		PM8001_INIT_DBG(pm8001_ha,
362 			pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
363 			" = 0x%x\n", regVal));
364 		return -1;
365 	}
366 	return 0;
367 }
368 
369 /**
370  * mpi_set_phys_g3_with_ssc
371  * @pm8001_ha: our hba card information
372  * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
373  */
374 static void __devinit
375 mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit)
376 {
377 	u32 value, offset, i;
378 
379 #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
380 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
381 #define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
382 #define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
383 #define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
384 #define PHY_G3_WITH_SSC_BIT_SHIFT 13
385 #define SNW3_PHY_CAPABILITIES_PARITY 31
386 
387    /*
388     * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
389     * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
390     */
391 	if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR))
392 		return;
393 
394 	for (i = 0; i < 4; i++) {
395 		offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
396 		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
397 	}
398 	/* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
399 	if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR))
400 		return;
401 	for (i = 4; i < 8; i++) {
402 		offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
403 		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
404 	}
405 	/*************************************************************
406 	Change the SSC upspreading value to 0x0 so that upspreading is disabled.
407 	Device MABC SMOD0 Controls
408 	Address: (via MEMBASE-III):
409 	Using shifted destination address 0x0_0000: with Offset 0xD8
410 
411 	31:28 R/W Reserved Do not change
412 	27:24 R/W SAS_SMOD_SPRDUP 0000
413 	23:20 R/W SAS_SMOD_SPRDDN 0000
414 	19:0  R/W  Reserved Do not change
415 	Upon power-up this register will read as 0x8990c016,
416 	and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
417 	so that the written value will be 0x8090c016.
418 	This will ensure only down-spreading SSC is enabled on the SPC.
419 	*************************************************************/
420 	value = pm8001_cr32(pm8001_ha, 2, 0xd8);
421 	pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
422 
423 	/*set the shifted destination address to 0x0 to avoid error operation */
424 	bar4_shift(pm8001_ha, 0x0);
425 	return;
426 }
427 
428 /**
429  * mpi_set_open_retry_interval_reg
430  * @pm8001_ha: our hba card information
431  * @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
432  */
433 static void __devinit
434 mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
435 				u32 interval)
436 {
437 	u32 offset;
438 	u32 value;
439 	u32 i;
440 
441 #define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
442 #define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
443 #define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
444 #define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
445 #define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
446 
447 	value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
448 	/* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
449 	if (-1 == bar4_shift(pm8001_ha,
450 			     OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR))
451 		return;
452 	for (i = 0; i < 4; i++) {
453 		offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
454 		pm8001_cw32(pm8001_ha, 2, offset, value);
455 	}
456 
457 	if (-1 == bar4_shift(pm8001_ha,
458 			     OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR))
459 		return;
460 	for (i = 4; i < 8; i++) {
461 		offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
462 		pm8001_cw32(pm8001_ha, 2, offset, value);
463 	}
464 	/*set the shifted destination address to 0x0 to avoid error operation */
465 	bar4_shift(pm8001_ha, 0x0);
466 	return;
467 }
468 
469 /**
470  * mpi_init_check - check firmware initialization status.
471  * @pm8001_ha: our hba card information
472  */
473 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
474 {
475 	u32 max_wait_count;
476 	u32 value;
477 	u32 gst_len_mpistate;
478 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
479 	table is updated */
480 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
481 	/* wait until Inbound DoorBell Clear Register toggled */
482 	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
483 	do {
484 		udelay(1);
485 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
486 		value &= SPC_MSGU_CFG_TABLE_UPDATE;
487 	} while ((value != 0) && (--max_wait_count));
488 
489 	if (!max_wait_count)
490 		return -1;
491 	/* check the MPI-State for initialization */
492 	gst_len_mpistate =
493 		pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
494 		GST_GSTLEN_MPIS_OFFSET);
495 	if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
496 		return -1;
497 	/* check MPI Initialization error */
498 	gst_len_mpistate = gst_len_mpistate >> 16;
499 	if (0x0000 != gst_len_mpistate)
500 		return -1;
501 	return 0;
502 }
503 
504 /**
505  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
506  * @pm8001_ha: our hba card information
507  */
508 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
509 {
510 	u32 value, value1;
511 	u32 max_wait_count;
512 	/* check error state */
513 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
514 	value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
515 	/* check AAP error */
516 	if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
517 		/* error state */
518 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
519 		return -1;
520 	}
521 
522 	/* check IOP error */
523 	if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
524 		/* error state */
525 		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
526 		return -1;
527 	}
528 
529 	/* bit 4-31 of scratch pad1 should be zeros if it is not
530 	in error state*/
531 	if (value & SCRATCH_PAD1_STATE_MASK) {
532 		/* error case */
533 		pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
534 		return -1;
535 	}
536 
537 	/* bit 2, 4-31 of scratch pad2 should be zeros if it is not
538 	in error state */
539 	if (value1 & SCRATCH_PAD2_STATE_MASK) {
540 		/* error case */
541 		return -1;
542 	}
543 
544 	max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
545 
546 	/* wait until scratch pad 1 and 2 registers in ready state  */
547 	do {
548 		udelay(1);
549 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
550 			& SCRATCH_PAD1_RDY;
551 		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
552 			& SCRATCH_PAD2_RDY;
553 		if ((--max_wait_count) == 0)
554 			return -1;
555 	} while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
556 	return 0;
557 }
558 
559 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
560 {
561 	void __iomem *base_addr;
562 	u32	value;
563 	u32	offset;
564 	u32	pcibar;
565 	u32	pcilogic;
566 
567 	value = pm8001_cr32(pm8001_ha, 0, 0x44);
568 	offset = value & 0x03FFFFFF;
569 	PM8001_INIT_DBG(pm8001_ha,
570 		pm8001_printk("Scratchpad 0 Offset: %x\n", offset));
571 	pcilogic = (value & 0xFC000000) >> 26;
572 	pcibar = get_pci_bar_index(pcilogic);
573 	PM8001_INIT_DBG(pm8001_ha,
574 		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
575 	pm8001_ha->main_cfg_tbl_addr = base_addr =
576 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
577 	pm8001_ha->general_stat_tbl_addr =
578 		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
579 	pm8001_ha->inbnd_q_tbl_addr =
580 		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
581 	pm8001_ha->outbnd_q_tbl_addr =
582 		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
583 }
584 
585 /**
586  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
587  * @pm8001_ha: our hba card information
588  */
589 static int __devinit pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
590 {
591 	/* check the firmware status */
592 	if (-1 == check_fw_ready(pm8001_ha)) {
593 		PM8001_FAIL_DBG(pm8001_ha,
594 			pm8001_printk("Firmware is not ready!\n"));
595 		return -EBUSY;
596 	}
597 
598 	/* Initialize pci space address eg: mpi offset */
599 	init_pci_device_addresses(pm8001_ha);
600 	init_default_table_values(pm8001_ha);
601 	read_main_config_table(pm8001_ha);
602 	read_general_status_table(pm8001_ha);
603 	read_inbnd_queue_table(pm8001_ha);
604 	read_outbnd_queue_table(pm8001_ha);
605 	/* update main config table ,inbound table and outbound table */
606 	update_main_config_table(pm8001_ha);
607 	update_inbnd_queue_table(pm8001_ha, 0);
608 	update_outbnd_queue_table(pm8001_ha, 0);
609 	mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
610 	mpi_set_open_retry_interval_reg(pm8001_ha, 7);
611 	/* notify firmware update finished and check initialization status */
612 	if (0 == mpi_init_check(pm8001_ha)) {
613 		PM8001_INIT_DBG(pm8001_ha,
614 			pm8001_printk("MPI initialize successful!\n"));
615 	} else
616 		return -EBUSY;
617 	/*This register is a 16-bit timer with a resolution of 1us. This is the
618 	timer used for interrupt delay/coalescing in the PCIe Application Layer.
619 	Zero is not a valid value. A value of 1 in the register will cause the
620 	interrupts to be normal. A value greater than 1 will cause coalescing
621 	delays.*/
622 	pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
623 	pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
624 	return 0;
625 }
626 
627 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
628 {
629 	u32 max_wait_count;
630 	u32 value;
631 	u32 gst_len_mpistate;
632 	init_pci_device_addresses(pm8001_ha);
633 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
634 	table is stop */
635 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
636 
637 	/* wait until Inbound DoorBell Clear Register toggled */
638 	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
639 	do {
640 		udelay(1);
641 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
642 		value &= SPC_MSGU_CFG_TABLE_RESET;
643 	} while ((value != 0) && (--max_wait_count));
644 
645 	if (!max_wait_count) {
646 		PM8001_FAIL_DBG(pm8001_ha,
647 			pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
648 		return -1;
649 	}
650 
651 	/* check the MPI-State for termination in progress */
652 	/* wait until Inbound DoorBell Clear Register toggled */
653 	max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
654 	do {
655 		udelay(1);
656 		gst_len_mpistate =
657 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
658 			GST_GSTLEN_MPIS_OFFSET);
659 		if (GST_MPI_STATE_UNINIT ==
660 			(gst_len_mpistate & GST_MPI_STATE_MASK))
661 			break;
662 	} while (--max_wait_count);
663 	if (!max_wait_count) {
664 		PM8001_FAIL_DBG(pm8001_ha,
665 			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
666 				gst_len_mpistate & GST_MPI_STATE_MASK));
667 		return -1;
668 	}
669 	return 0;
670 }
671 
672 /**
673  * soft_reset_ready_check - Function to check FW is ready for soft reset.
674  * @pm8001_ha: our hba card information
675  */
676 static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
677 {
678 	u32 regVal, regVal1, regVal2;
679 	if (mpi_uninit_check(pm8001_ha) != 0) {
680 		PM8001_FAIL_DBG(pm8001_ha,
681 			pm8001_printk("MPI state is not ready\n"));
682 		return -1;
683 	}
684 	/* read the scratch pad 2 register bit 2 */
685 	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
686 		& SCRATCH_PAD2_FWRDY_RST;
687 	if (regVal == SCRATCH_PAD2_FWRDY_RST) {
688 		PM8001_INIT_DBG(pm8001_ha,
689 			pm8001_printk("Firmware is ready for reset .\n"));
690 	} else {
691 	/* Trigger NMI twice via RB6 */
692 		if (-1 == bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
693 			PM8001_FAIL_DBG(pm8001_ha,
694 				pm8001_printk("Shift Bar4 to 0x%x failed\n",
695 					RB6_ACCESS_REG));
696 			return -1;
697 		}
698 		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
699 			RB6_MAGIC_NUMBER_RST);
700 		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
701 		/* wait for 100 ms */
702 		mdelay(100);
703 		regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
704 			SCRATCH_PAD2_FWRDY_RST;
705 		if (regVal != SCRATCH_PAD2_FWRDY_RST) {
706 			regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
707 			regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
708 			PM8001_FAIL_DBG(pm8001_ha,
709 				pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
710 				"=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
711 				regVal1, regVal2));
712 			PM8001_FAIL_DBG(pm8001_ha,
713 				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
714 				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
715 			PM8001_FAIL_DBG(pm8001_ha,
716 				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
717 				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
718 			return -1;
719 		}
720 	}
721 	return 0;
722 }
723 
724 /**
725  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
726  * the FW register status to the originated status.
727  * @pm8001_ha: our hba card information
728  * @signature: signature in host scratch pad0 register.
729  */
730 static int
731 pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature)
732 {
733 	u32	regVal, toggleVal;
734 	u32	max_wait_count;
735 	u32	regVal1, regVal2, regVal3;
736 
737 	/* step1: Check FW is ready for soft reset */
738 	if (soft_reset_ready_check(pm8001_ha) != 0) {
739 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
740 		return -1;
741 	}
742 
743 	/* step 2: clear NMI status register on AAP1 and IOP, write the same
744 	value to clear */
745 	/* map 0x60000 to BAR4(0x20), BAR2(win) */
746 	if (-1 == bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
747 		PM8001_FAIL_DBG(pm8001_ha,
748 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
749 			MBIC_AAP1_ADDR_BASE));
750 		return -1;
751 	}
752 	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
753 	PM8001_INIT_DBG(pm8001_ha,
754 		pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
755 	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
756 	/* map 0x70000 to BAR4(0x20), BAR2(win) */
757 	if (-1 == bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
758 		PM8001_FAIL_DBG(pm8001_ha,
759 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
760 			MBIC_IOP_ADDR_BASE));
761 		return -1;
762 	}
763 	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
764 	PM8001_INIT_DBG(pm8001_ha,
765 		pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
766 	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
767 
768 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
769 	PM8001_INIT_DBG(pm8001_ha,
770 		pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
771 	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
772 
773 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
774 	PM8001_INIT_DBG(pm8001_ha,
775 		pm8001_printk("PCIE - Event Interrupt  = 0x%x\n", regVal));
776 	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
777 
778 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
779 	PM8001_INIT_DBG(pm8001_ha,
780 		pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
781 	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
782 
783 	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
784 	PM8001_INIT_DBG(pm8001_ha,
785 		pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
786 	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
787 
788 	/* read the scratch pad 1 register bit 2 */
789 	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
790 		& SCRATCH_PAD1_RST;
791 	toggleVal = regVal ^ SCRATCH_PAD1_RST;
792 
793 	/* set signature in host scratch pad0 register to tell SPC that the
794 	host performs the soft reset */
795 	pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
796 
797 	/* read required registers for confirmming */
798 	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
799 	if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
800 		PM8001_FAIL_DBG(pm8001_ha,
801 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
802 			GSM_ADDR_BASE));
803 		return -1;
804 	}
805 	PM8001_INIT_DBG(pm8001_ha,
806 		pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
807 		" Reset = 0x%x\n",
808 		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
809 
810 	/* step 3: host read GSM Configuration and Reset register */
811 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
812 	/* Put those bits to low */
813 	/* GSM XCBI offset = 0x70 0000
814 	0x00 Bit 13 COM_SLV_SW_RSTB 1
815 	0x00 Bit 12 QSSP_SW_RSTB 1
816 	0x00 Bit 11 RAAE_SW_RSTB 1
817 	0x00 Bit 9 RB_1_SW_RSTB 1
818 	0x00 Bit 8 SM_SW_RSTB 1
819 	*/
820 	regVal &= ~(0x00003b00);
821 	/* host write GSM Configuration and Reset register */
822 	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
823 	PM8001_INIT_DBG(pm8001_ha,
824 		pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
825 		"Configuration and Reset is set to = 0x%x\n",
826 		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
827 
828 	/* step 4: */
829 	/* disable GSM - Read Address Parity Check */
830 	regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
831 	PM8001_INIT_DBG(pm8001_ha,
832 		pm8001_printk("GSM 0x700038 - Read Address Parity Check "
833 		"Enable = 0x%x\n", regVal1));
834 	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
835 	PM8001_INIT_DBG(pm8001_ha,
836 		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
837 		"is set to = 0x%x\n",
838 		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
839 
840 	/* disable GSM - Write Address Parity Check */
841 	regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
842 	PM8001_INIT_DBG(pm8001_ha,
843 		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
844 		" Enable = 0x%x\n", regVal2));
845 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
846 	PM8001_INIT_DBG(pm8001_ha,
847 		pm8001_printk("GSM 0x700040 - Write Address Parity Check "
848 		"Enable is set to = 0x%x\n",
849 		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
850 
851 	/* disable GSM - Write Data Parity Check */
852 	regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
853 	PM8001_INIT_DBG(pm8001_ha,
854 		pm8001_printk("GSM 0x300048 - Write Data Parity Check"
855 		" Enable = 0x%x\n", regVal3));
856 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
857 	PM8001_INIT_DBG(pm8001_ha,
858 		pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
859 		"is set to = 0x%x\n",
860 	pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
861 
862 	/* step 5: delay 10 usec */
863 	udelay(10);
864 	/* step 5-b: set GPIO-0 output control to tristate anyway */
865 	if (-1 == bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
866 		PM8001_INIT_DBG(pm8001_ha,
867 				pm8001_printk("Shift Bar4 to 0x%x failed\n",
868 				GPIO_ADDR_BASE));
869 		return -1;
870 	}
871 	regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
872 		PM8001_INIT_DBG(pm8001_ha,
873 				pm8001_printk("GPIO Output Control Register:"
874 				" = 0x%x\n", regVal));
875 	/* set GPIO-0 output control to tri-state */
876 	regVal &= 0xFFFFFFFC;
877 	pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
878 
879 	/* Step 6: Reset the IOP and AAP1 */
880 	/* map 0x00000 to BAR4(0x20), BAR2(win) */
881 	if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
882 		PM8001_FAIL_DBG(pm8001_ha,
883 			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
884 			SPC_TOP_LEVEL_ADDR_BASE));
885 		return -1;
886 	}
887 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
888 	PM8001_INIT_DBG(pm8001_ha,
889 		pm8001_printk("Top Register before resetting IOP/AAP1"
890 		":= 0x%x\n", regVal));
891 	regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
892 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
893 
894 	/* step 7: Reset the BDMA/OSSP */
895 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
896 	PM8001_INIT_DBG(pm8001_ha,
897 		pm8001_printk("Top Register before resetting BDMA/OSSP"
898 		": = 0x%x\n", regVal));
899 	regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
900 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
901 
902 	/* step 8: delay 10 usec */
903 	udelay(10);
904 
905 	/* step 9: bring the BDMA and OSSP out of reset */
906 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
907 	PM8001_INIT_DBG(pm8001_ha,
908 		pm8001_printk("Top Register before bringing up BDMA/OSSP"
909 		":= 0x%x\n", regVal));
910 	regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
911 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
912 
913 	/* step 10: delay 10 usec */
914 	udelay(10);
915 
916 	/* step 11: reads and sets the GSM Configuration and Reset Register */
917 	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
918 	if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
919 		PM8001_FAIL_DBG(pm8001_ha,
920 			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
921 			GSM_ADDR_BASE));
922 		return -1;
923 	}
924 	PM8001_INIT_DBG(pm8001_ha,
925 		pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
926 		"Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
927 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
928 	/* Put those bits to high */
929 	/* GSM XCBI offset = 0x70 0000
930 	0x00 Bit 13 COM_SLV_SW_RSTB 1
931 	0x00 Bit 12 QSSP_SW_RSTB 1
932 	0x00 Bit 11 RAAE_SW_RSTB 1
933 	0x00 Bit 9   RB_1_SW_RSTB 1
934 	0x00 Bit 8   SM_SW_RSTB 1
935 	*/
936 	regVal |= (GSM_CONFIG_RESET_VALUE);
937 	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
938 	PM8001_INIT_DBG(pm8001_ha,
939 		pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
940 		" Configuration and Reset is set to = 0x%x\n",
941 		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
942 
943 	/* step 12: Restore GSM - Read Address Parity Check */
944 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
945 	/* just for debugging */
946 	PM8001_INIT_DBG(pm8001_ha,
947 		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
948 		" = 0x%x\n", regVal));
949 	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
950 	PM8001_INIT_DBG(pm8001_ha,
951 		pm8001_printk("GSM 0x700038 - Read Address Parity"
952 		" Check Enable is set to = 0x%x\n",
953 		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
954 	/* Restore GSM - Write Address Parity Check */
955 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
956 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
957 	PM8001_INIT_DBG(pm8001_ha,
958 		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
959 		" Enable is set to = 0x%x\n",
960 		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
961 	/* Restore GSM - Write Data Parity Check */
962 	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
963 	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
964 	PM8001_INIT_DBG(pm8001_ha,
965 		pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
966 		"is set to = 0x%x\n",
967 		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
968 
969 	/* step 13: bring the IOP and AAP1 out of reset */
970 	/* map 0x00000 to BAR4(0x20), BAR2(win) */
971 	if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
972 		PM8001_FAIL_DBG(pm8001_ha,
973 			pm8001_printk("Shift Bar4 to 0x%x failed\n",
974 			SPC_TOP_LEVEL_ADDR_BASE));
975 		return -1;
976 	}
977 	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
978 	regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
979 	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
980 
981 	/* step 14: delay 10 usec - Normal Mode */
982 	udelay(10);
983 	/* check Soft Reset Normal mode or Soft Reset HDA mode */
984 	if (signature == SPC_SOFT_RESET_SIGNATURE) {
985 		/* step 15 (Normal Mode): wait until scratch pad1 register
986 		bit 2 toggled */
987 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
988 		do {
989 			udelay(1);
990 			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
991 				SCRATCH_PAD1_RST;
992 		} while ((regVal != toggleVal) && (--max_wait_count));
993 
994 		if (!max_wait_count) {
995 			regVal = pm8001_cr32(pm8001_ha, 0,
996 				MSGU_SCRATCH_PAD_1);
997 			PM8001_FAIL_DBG(pm8001_ha,
998 				pm8001_printk("TIMEOUT : ToggleVal 0x%x,"
999 				"MSGU_SCRATCH_PAD1 = 0x%x\n",
1000 				toggleVal, regVal));
1001 			PM8001_FAIL_DBG(pm8001_ha,
1002 				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1003 				pm8001_cr32(pm8001_ha, 0,
1004 				MSGU_SCRATCH_PAD_0)));
1005 			PM8001_FAIL_DBG(pm8001_ha,
1006 				pm8001_printk("SCRATCH_PAD2 value = 0x%x\n",
1007 				pm8001_cr32(pm8001_ha, 0,
1008 				MSGU_SCRATCH_PAD_2)));
1009 			PM8001_FAIL_DBG(pm8001_ha,
1010 				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1011 				pm8001_cr32(pm8001_ha, 0,
1012 				MSGU_SCRATCH_PAD_3)));
1013 			return -1;
1014 		}
1015 
1016 		/* step 16 (Normal) - Clear ODMR and ODCR */
1017 		pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1018 		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1019 
1020 		/* step 17 (Normal Mode): wait for the FW and IOP to get
1021 		ready - 1 sec timeout */
1022 		/* Wait for the SPC Configuration Table to be ready */
1023 		if (check_fw_ready(pm8001_ha) == -1) {
1024 			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1025 			/* return error if MPI Configuration Table not ready */
1026 			PM8001_INIT_DBG(pm8001_ha,
1027 				pm8001_printk("FW not ready SCRATCH_PAD1"
1028 				" = 0x%x\n", regVal));
1029 			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1030 			/* return error if MPI Configuration Table not ready */
1031 			PM8001_INIT_DBG(pm8001_ha,
1032 				pm8001_printk("FW not ready SCRATCH_PAD2"
1033 				" = 0x%x\n", regVal));
1034 			PM8001_INIT_DBG(pm8001_ha,
1035 				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1036 				pm8001_cr32(pm8001_ha, 0,
1037 				MSGU_SCRATCH_PAD_0)));
1038 			PM8001_INIT_DBG(pm8001_ha,
1039 				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1040 				pm8001_cr32(pm8001_ha, 0,
1041 				MSGU_SCRATCH_PAD_3)));
1042 			return -1;
1043 		}
1044 	}
1045 
1046 	PM8001_INIT_DBG(pm8001_ha,
1047 		pm8001_printk("SPC soft reset Complete\n"));
1048 	return 0;
1049 }
1050 
1051 static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1052 {
1053 	u32 i;
1054 	u32 regVal;
1055 	PM8001_INIT_DBG(pm8001_ha,
1056 		pm8001_printk("chip reset start\n"));
1057 
1058 	/* do SPC chip reset. */
1059 	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1060 	regVal &= ~(SPC_REG_RESET_DEVICE);
1061 	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1062 
1063 	/* delay 10 usec */
1064 	udelay(10);
1065 
1066 	/* bring chip reset out of reset */
1067 	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1068 	regVal |= SPC_REG_RESET_DEVICE;
1069 	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1070 
1071 	/* delay 10 usec */
1072 	udelay(10);
1073 
1074 	/* wait for 20 msec until the firmware gets reloaded */
1075 	i = 20;
1076 	do {
1077 		mdelay(1);
1078 	} while ((--i) != 0);
1079 
1080 	PM8001_INIT_DBG(pm8001_ha,
1081 		pm8001_printk("chip reset finished\n"));
1082 }
1083 
1084 /**
1085  * pm8001_chip_iounmap - which maped when initialized.
1086  * @pm8001_ha: our hba card information
1087  */
1088 static void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1089 {
1090 	s8 bar, logical = 0;
1091 	for (bar = 0; bar < 6; bar++) {
1092 		/*
1093 		** logical BARs for SPC:
1094 		** bar 0 and 1 - logical BAR0
1095 		** bar 2 and 3 - logical BAR1
1096 		** bar4 - logical BAR2
1097 		** bar5 - logical BAR3
1098 		** Skip the appropriate assignments:
1099 		*/
1100 		if ((bar == 1) || (bar == 3))
1101 			continue;
1102 		if (pm8001_ha->io_mem[logical].memvirtaddr) {
1103 			iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1104 			logical++;
1105 		}
1106 	}
1107 }
1108 
1109 /**
1110  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1111  * @pm8001_ha: our hba card information
1112  */
1113 static void
1114 pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1115 {
1116 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1117 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1118 }
1119 
1120  /**
1121   * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1122   * @pm8001_ha: our hba card information
1123   */
1124 static void
1125 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1126 {
1127 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1128 }
1129 
1130 /**
1131  * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1132  * @pm8001_ha: our hba card information
1133  */
1134 static void
1135 pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1136 	u32 int_vec_idx)
1137 {
1138 	u32 msi_index;
1139 	u32 value;
1140 	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1141 	msi_index += MSIX_TABLE_BASE;
1142 	pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1143 	value = (1 << int_vec_idx);
1144 	pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1145 
1146 }
1147 
1148 /**
1149  * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1150  * @pm8001_ha: our hba card information
1151  */
1152 static void
1153 pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1154 	u32 int_vec_idx)
1155 {
1156 	u32 msi_index;
1157 	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1158 	msi_index += MSIX_TABLE_BASE;
1159 	pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1160 
1161 }
1162 /**
1163  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1164  * @pm8001_ha: our hba card information
1165  */
1166 static void
1167 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1168 {
1169 #ifdef PM8001_USE_MSIX
1170 	pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1171 	return;
1172 #endif
1173 	pm8001_chip_intx_interrupt_enable(pm8001_ha);
1174 
1175 }
1176 
1177 /**
1178  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1179  * @pm8001_ha: our hba card information
1180  */
1181 static void
1182 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1183 {
1184 #ifdef PM8001_USE_MSIX
1185 	pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1186 	return;
1187 #endif
1188 	pm8001_chip_intx_interrupt_disable(pm8001_ha);
1189 
1190 }
1191 
1192 /**
1193  * mpi_msg_free_get- get the free message buffer for transfer inbound queue.
1194  * @circularQ: the inbound queue  we want to transfer to HBA.
1195  * @messageSize: the message size of this transfer, normally it is 64 bytes
1196  * @messagePtr: the pointer to message.
1197  */
1198 static int mpi_msg_free_get(struct inbound_queue_table *circularQ,
1199 			    u16 messageSize, void **messagePtr)
1200 {
1201 	u32 offset, consumer_index;
1202 	struct mpi_msg_hdr *msgHeader;
1203 	u8 bcCount = 1; /* only support single buffer */
1204 
1205 	/* Checks is the requested message size can be allocated in this queue*/
1206 	if (messageSize > 64) {
1207 		*messagePtr = NULL;
1208 		return -1;
1209 	}
1210 
1211 	/* Stores the new consumer index */
1212 	consumer_index = pm8001_read_32(circularQ->ci_virt);
1213 	circularQ->consumer_index = cpu_to_le32(consumer_index);
1214 	if (((circularQ->producer_idx + bcCount) % 256) ==
1215 		circularQ->consumer_index) {
1216 		*messagePtr = NULL;
1217 		return -1;
1218 	}
1219 	/* get memory IOMB buffer address */
1220 	offset = circularQ->producer_idx * 64;
1221 	/* increment to next bcCount element */
1222 	circularQ->producer_idx = (circularQ->producer_idx + bcCount) % 256;
1223 	/* Adds that distance to the base of the region virtual address plus
1224 	the message header size*/
1225 	msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt	+ offset);
1226 	*messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1227 	return 0;
1228 }
1229 
1230 /**
1231  * mpi_build_cmd- build the message queue for transfer, update the PI to FW
1232  * to tell the fw to get this message from IOMB.
1233  * @pm8001_ha: our hba card information
1234  * @circularQ: the inbound queue we want to transfer to HBA.
1235  * @opCode: the operation code represents commands which LLDD and fw recognized.
1236  * @payload: the command payload of each operation command.
1237  */
1238 static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1239 			 struct inbound_queue_table *circularQ,
1240 			 u32 opCode, void *payload)
1241 {
1242 	u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1243 	u32 responseQueue = 0;
1244 	void *pMessage;
1245 
1246 	if (mpi_msg_free_get(circularQ, 64, &pMessage) < 0) {
1247 		PM8001_IO_DBG(pm8001_ha,
1248 			pm8001_printk("No free mpi buffer\n"));
1249 		return -1;
1250 	}
1251 	BUG_ON(!payload);
1252 	/*Copy to the payload*/
1253 	memcpy(pMessage, payload, (64 - sizeof(struct mpi_msg_hdr)));
1254 
1255 	/*Build the header*/
1256 	Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1257 		| ((responseQueue & 0x3F) << 16)
1258 		| ((category & 0xF) << 12) | (opCode & 0xFFF));
1259 
1260 	pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1261 	/*Update the PI to the firmware*/
1262 	pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1263 		circularQ->pi_offset, circularQ->producer_idx);
1264 	PM8001_IO_DBG(pm8001_ha,
1265 		pm8001_printk("after PI= %d CI= %d\n", circularQ->producer_idx,
1266 		circularQ->consumer_index));
1267 	return 0;
1268 }
1269 
1270 static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1271 			    struct outbound_queue_table *circularQ, u8 bc)
1272 {
1273 	u32 producer_index;
1274 	struct mpi_msg_hdr *msgHeader;
1275 	struct mpi_msg_hdr *pOutBoundMsgHeader;
1276 
1277 	msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1278 	pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1279 				circularQ->consumer_idx * 64);
1280 	if (pOutBoundMsgHeader != msgHeader) {
1281 		PM8001_FAIL_DBG(pm8001_ha,
1282 			pm8001_printk("consumer_idx = %d msgHeader = %p\n",
1283 			circularQ->consumer_idx, msgHeader));
1284 
1285 		/* Update the producer index from SPC */
1286 		producer_index = pm8001_read_32(circularQ->pi_virt);
1287 		circularQ->producer_index = cpu_to_le32(producer_index);
1288 		PM8001_FAIL_DBG(pm8001_ha,
1289 			pm8001_printk("consumer_idx = %d producer_index = %d"
1290 			"msgHeader = %p\n", circularQ->consumer_idx,
1291 			circularQ->producer_index, msgHeader));
1292 		return 0;
1293 	}
1294 	/* free the circular queue buffer elements associated with the message*/
1295 	circularQ->consumer_idx = (circularQ->consumer_idx + bc) % 256;
1296 	/* update the CI of outbound queue */
1297 	pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1298 		circularQ->consumer_idx);
1299 	/* Update the producer index from SPC*/
1300 	producer_index = pm8001_read_32(circularQ->pi_virt);
1301 	circularQ->producer_index = cpu_to_le32(producer_index);
1302 	PM8001_IO_DBG(pm8001_ha,
1303 		pm8001_printk(" CI=%d PI=%d\n", circularQ->consumer_idx,
1304 		circularQ->producer_index));
1305 	return 0;
1306 }
1307 
1308 /**
1309  * mpi_msg_consume- get the MPI message from  outbound queue message table.
1310  * @pm8001_ha: our hba card information
1311  * @circularQ: the outbound queue  table.
1312  * @messagePtr1: the message contents of this outbound message.
1313  * @pBC: the message size.
1314  */
1315 static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1316 			   struct outbound_queue_table *circularQ,
1317 			   void **messagePtr1, u8 *pBC)
1318 {
1319 	struct mpi_msg_hdr	*msgHeader;
1320 	__le32	msgHeader_tmp;
1321 	u32 header_tmp;
1322 	do {
1323 		/* If there are not-yet-delivered messages ... */
1324 		if (circularQ->producer_index != circularQ->consumer_idx) {
1325 			/*Get the pointer to the circular queue buffer element*/
1326 			msgHeader = (struct mpi_msg_hdr *)
1327 				(circularQ->base_virt +
1328 				circularQ->consumer_idx * 64);
1329 			/* read header */
1330 			header_tmp = pm8001_read_32(msgHeader);
1331 			msgHeader_tmp = cpu_to_le32(header_tmp);
1332 			if (0 != (msgHeader_tmp & 0x80000000)) {
1333 				if (OPC_OUB_SKIP_ENTRY !=
1334 					(msgHeader_tmp & 0xfff)) {
1335 					*messagePtr1 =
1336 						((u8 *)msgHeader) +
1337 						sizeof(struct mpi_msg_hdr);
1338 					*pBC = (u8)((msgHeader_tmp >> 24) &
1339 						0x1f);
1340 					PM8001_IO_DBG(pm8001_ha,
1341 						pm8001_printk(": CI=%d PI=%d "
1342 						"msgHeader=%x\n",
1343 						circularQ->consumer_idx,
1344 						circularQ->producer_index,
1345 						msgHeader_tmp));
1346 					return MPI_IO_STATUS_SUCCESS;
1347 				} else {
1348 					circularQ->consumer_idx =
1349 						(circularQ->consumer_idx +
1350 						((msgHeader_tmp >> 24) & 0x1f))
1351 						% 256;
1352 					msgHeader_tmp = 0;
1353 					pm8001_write_32(msgHeader, 0, 0);
1354 					/* update the CI of outbound queue */
1355 					pm8001_cw32(pm8001_ha,
1356 						circularQ->ci_pci_bar,
1357 						circularQ->ci_offset,
1358 						circularQ->consumer_idx);
1359 				}
1360 			} else {
1361 				circularQ->consumer_idx =
1362 					(circularQ->consumer_idx +
1363 					((msgHeader_tmp >> 24) & 0x1f)) % 256;
1364 				msgHeader_tmp = 0;
1365 				pm8001_write_32(msgHeader, 0, 0);
1366 				/* update the CI of outbound queue */
1367 				pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1368 					circularQ->ci_offset,
1369 					circularQ->consumer_idx);
1370 				return MPI_IO_STATUS_FAIL;
1371 			}
1372 		} else {
1373 			u32 producer_index;
1374 			void *pi_virt = circularQ->pi_virt;
1375 			/* Update the producer index from SPC */
1376 			producer_index = pm8001_read_32(pi_virt);
1377 			circularQ->producer_index = cpu_to_le32(producer_index);
1378 		}
1379 	} while (circularQ->producer_index != circularQ->consumer_idx);
1380 	/* while we don't have any more not-yet-delivered message */
1381 	/* report empty */
1382 	return MPI_IO_STATUS_BUSY;
1383 }
1384 
1385 static void pm8001_work_fn(struct work_struct *work)
1386 {
1387 	struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1388 	struct pm8001_device *pm8001_dev;
1389 	struct domain_device *dev;
1390 
1391 	switch (pw->handler) {
1392 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1393 		pm8001_dev = pw->data;
1394 		dev = pm8001_dev->sas_device;
1395 		pm8001_I_T_nexus_reset(dev);
1396 		break;
1397 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1398 		pm8001_dev = pw->data;
1399 		dev = pm8001_dev->sas_device;
1400 		pm8001_I_T_nexus_reset(dev);
1401 		break;
1402 	case IO_DS_IN_ERROR:
1403 		pm8001_dev = pw->data;
1404 		dev = pm8001_dev->sas_device;
1405 		pm8001_I_T_nexus_reset(dev);
1406 		break;
1407 	case IO_DS_NON_OPERATIONAL:
1408 		pm8001_dev = pw->data;
1409 		dev = pm8001_dev->sas_device;
1410 		pm8001_I_T_nexus_reset(dev);
1411 		break;
1412 	}
1413 	kfree(pw);
1414 }
1415 
1416 static int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1417 			       int handler)
1418 {
1419 	struct pm8001_work *pw;
1420 	int ret = 0;
1421 
1422 	pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1423 	if (pw) {
1424 		pw->pm8001_ha = pm8001_ha;
1425 		pw->data = data;
1426 		pw->handler = handler;
1427 		INIT_WORK(&pw->work, pm8001_work_fn);
1428 		queue_work(pm8001_wq, &pw->work);
1429 	} else
1430 		ret = -ENOMEM;
1431 
1432 	return ret;
1433 }
1434 
1435 /**
1436  * mpi_ssp_completion- process the event that FW response to the SSP request.
1437  * @pm8001_ha: our hba card information
1438  * @piomb: the message contents of this outbound message.
1439  *
1440  * When FW has completed a ssp request for example a IO request, after it has
1441  * filled the SG data with the data, it will trigger this event represent
1442  * that he has finished the job,please check the coresponding buffer.
1443  * So we will tell the caller who maybe waiting the result to tell upper layer
1444  * that the task has been finished.
1445  */
1446 static void
1447 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1448 {
1449 	struct sas_task *t;
1450 	struct pm8001_ccb_info *ccb;
1451 	unsigned long flags;
1452 	u32 status;
1453 	u32 param;
1454 	u32 tag;
1455 	struct ssp_completion_resp *psspPayload;
1456 	struct task_status_struct *ts;
1457 	struct ssp_response_iu *iu;
1458 	struct pm8001_device *pm8001_dev;
1459 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1460 	status = le32_to_cpu(psspPayload->status);
1461 	tag = le32_to_cpu(psspPayload->tag);
1462 	ccb = &pm8001_ha->ccb_info[tag];
1463 	pm8001_dev = ccb->device;
1464 	param = le32_to_cpu(psspPayload->param);
1465 
1466 	t = ccb->task;
1467 
1468 	if (status && status != IO_UNDERFLOW)
1469 		PM8001_FAIL_DBG(pm8001_ha,
1470 			pm8001_printk("sas IO status 0x%x\n", status));
1471 	if (unlikely(!t || !t->lldd_task || !t->dev))
1472 		return;
1473 	ts = &t->task_status;
1474 	switch (status) {
1475 	case IO_SUCCESS:
1476 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
1477 			",param = %d\n", param));
1478 		if (param == 0) {
1479 			ts->resp = SAS_TASK_COMPLETE;
1480 			ts->stat = SAM_STAT_GOOD;
1481 		} else {
1482 			ts->resp = SAS_TASK_COMPLETE;
1483 			ts->stat = SAS_PROTO_RESPONSE;
1484 			ts->residual = param;
1485 			iu = &psspPayload->ssp_resp_iu;
1486 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1487 		}
1488 		if (pm8001_dev)
1489 			pm8001_dev->running_req--;
1490 		break;
1491 	case IO_ABORTED:
1492 		PM8001_IO_DBG(pm8001_ha,
1493 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1494 		ts->resp = SAS_TASK_COMPLETE;
1495 		ts->stat = SAS_ABORTED_TASK;
1496 		break;
1497 	case IO_UNDERFLOW:
1498 		/* SSP Completion with error */
1499 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
1500 			",param = %d\n", param));
1501 		ts->resp = SAS_TASK_COMPLETE;
1502 		ts->stat = SAS_DATA_UNDERRUN;
1503 		ts->residual = param;
1504 		if (pm8001_dev)
1505 			pm8001_dev->running_req--;
1506 		break;
1507 	case IO_NO_DEVICE:
1508 		PM8001_IO_DBG(pm8001_ha,
1509 			pm8001_printk("IO_NO_DEVICE\n"));
1510 		ts->resp = SAS_TASK_UNDELIVERED;
1511 		ts->stat = SAS_PHY_DOWN;
1512 		break;
1513 	case IO_XFER_ERROR_BREAK:
1514 		PM8001_IO_DBG(pm8001_ha,
1515 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1516 		ts->resp = SAS_TASK_COMPLETE;
1517 		ts->stat = SAS_OPEN_REJECT;
1518 		break;
1519 	case IO_XFER_ERROR_PHY_NOT_READY:
1520 		PM8001_IO_DBG(pm8001_ha,
1521 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1522 		ts->resp = SAS_TASK_COMPLETE;
1523 		ts->stat = SAS_OPEN_REJECT;
1524 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1525 		break;
1526 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1527 		PM8001_IO_DBG(pm8001_ha,
1528 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1529 		ts->resp = SAS_TASK_COMPLETE;
1530 		ts->stat = SAS_OPEN_REJECT;
1531 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1532 		break;
1533 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1534 		PM8001_IO_DBG(pm8001_ha,
1535 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1536 		ts->resp = SAS_TASK_COMPLETE;
1537 		ts->stat = SAS_OPEN_REJECT;
1538 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1539 		break;
1540 	case IO_OPEN_CNX_ERROR_BREAK:
1541 		PM8001_IO_DBG(pm8001_ha,
1542 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1543 		ts->resp = SAS_TASK_COMPLETE;
1544 		ts->stat = SAS_OPEN_REJECT;
1545 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1546 		break;
1547 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1548 		PM8001_IO_DBG(pm8001_ha,
1549 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1550 		ts->resp = SAS_TASK_COMPLETE;
1551 		ts->stat = SAS_OPEN_REJECT;
1552 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1553 		if (!t->uldd_task)
1554 			pm8001_handle_event(pm8001_ha,
1555 				pm8001_dev,
1556 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1557 		break;
1558 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1559 		PM8001_IO_DBG(pm8001_ha,
1560 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1561 		ts->resp = SAS_TASK_COMPLETE;
1562 		ts->stat = SAS_OPEN_REJECT;
1563 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1564 		break;
1565 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1566 		PM8001_IO_DBG(pm8001_ha,
1567 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1568 			"NOT_SUPPORTED\n"));
1569 		ts->resp = SAS_TASK_COMPLETE;
1570 		ts->stat = SAS_OPEN_REJECT;
1571 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1572 		break;
1573 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1574 		PM8001_IO_DBG(pm8001_ha,
1575 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1576 		ts->resp = SAS_TASK_UNDELIVERED;
1577 		ts->stat = SAS_OPEN_REJECT;
1578 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1579 		break;
1580 	case IO_XFER_ERROR_NAK_RECEIVED:
1581 		PM8001_IO_DBG(pm8001_ha,
1582 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1583 		ts->resp = SAS_TASK_COMPLETE;
1584 		ts->stat = SAS_OPEN_REJECT;
1585 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1586 		break;
1587 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1588 		PM8001_IO_DBG(pm8001_ha,
1589 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1590 		ts->resp = SAS_TASK_COMPLETE;
1591 		ts->stat = SAS_NAK_R_ERR;
1592 		break;
1593 	case IO_XFER_ERROR_DMA:
1594 		PM8001_IO_DBG(pm8001_ha,
1595 		pm8001_printk("IO_XFER_ERROR_DMA\n"));
1596 		ts->resp = SAS_TASK_COMPLETE;
1597 		ts->stat = SAS_OPEN_REJECT;
1598 		break;
1599 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1600 		PM8001_IO_DBG(pm8001_ha,
1601 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1602 		ts->resp = SAS_TASK_COMPLETE;
1603 		ts->stat = SAS_OPEN_REJECT;
1604 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1605 		break;
1606 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1607 		PM8001_IO_DBG(pm8001_ha,
1608 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1609 		ts->resp = SAS_TASK_COMPLETE;
1610 		ts->stat = SAS_OPEN_REJECT;
1611 		break;
1612 	case IO_PORT_IN_RESET:
1613 		PM8001_IO_DBG(pm8001_ha,
1614 			pm8001_printk("IO_PORT_IN_RESET\n"));
1615 		ts->resp = SAS_TASK_COMPLETE;
1616 		ts->stat = SAS_OPEN_REJECT;
1617 		break;
1618 	case IO_DS_NON_OPERATIONAL:
1619 		PM8001_IO_DBG(pm8001_ha,
1620 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1621 		ts->resp = SAS_TASK_COMPLETE;
1622 		ts->stat = SAS_OPEN_REJECT;
1623 		if (!t->uldd_task)
1624 			pm8001_handle_event(pm8001_ha,
1625 				pm8001_dev,
1626 				IO_DS_NON_OPERATIONAL);
1627 		break;
1628 	case IO_DS_IN_RECOVERY:
1629 		PM8001_IO_DBG(pm8001_ha,
1630 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
1631 		ts->resp = SAS_TASK_COMPLETE;
1632 		ts->stat = SAS_OPEN_REJECT;
1633 		break;
1634 	case IO_TM_TAG_NOT_FOUND:
1635 		PM8001_IO_DBG(pm8001_ha,
1636 			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1637 		ts->resp = SAS_TASK_COMPLETE;
1638 		ts->stat = SAS_OPEN_REJECT;
1639 		break;
1640 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1641 		PM8001_IO_DBG(pm8001_ha,
1642 			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1643 		ts->resp = SAS_TASK_COMPLETE;
1644 		ts->stat = SAS_OPEN_REJECT;
1645 		break;
1646 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1647 		PM8001_IO_DBG(pm8001_ha,
1648 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1649 		ts->resp = SAS_TASK_COMPLETE;
1650 		ts->stat = SAS_OPEN_REJECT;
1651 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1652 		break;
1653 	default:
1654 		PM8001_IO_DBG(pm8001_ha,
1655 			pm8001_printk("Unknown status 0x%x\n", status));
1656 		/* not allowed case. Therefore, return failed status */
1657 		ts->resp = SAS_TASK_COMPLETE;
1658 		ts->stat = SAS_OPEN_REJECT;
1659 		break;
1660 	}
1661 	PM8001_IO_DBG(pm8001_ha,
1662 		pm8001_printk("scsi_status = %x \n ",
1663 		psspPayload->ssp_resp_iu.status));
1664 	spin_lock_irqsave(&t->task_state_lock, flags);
1665 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1666 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1667 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1668 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1669 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1670 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
1671 			" io_status 0x%x resp 0x%x "
1672 			"stat 0x%x but aborted by upper layer!\n",
1673 			t, status, ts->resp, ts->stat));
1674 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1675 	} else {
1676 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1677 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1678 		mb();/* in order to force CPU ordering */
1679 		t->task_done(t);
1680 	}
1681 }
1682 
1683 /*See the comments for mpi_ssp_completion */
1684 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1685 {
1686 	struct sas_task *t;
1687 	unsigned long flags;
1688 	struct task_status_struct *ts;
1689 	struct pm8001_ccb_info *ccb;
1690 	struct pm8001_device *pm8001_dev;
1691 	struct ssp_event_resp *psspPayload =
1692 		(struct ssp_event_resp *)(piomb + 4);
1693 	u32 event = le32_to_cpu(psspPayload->event);
1694 	u32 tag = le32_to_cpu(psspPayload->tag);
1695 	u32 port_id = le32_to_cpu(psspPayload->port_id);
1696 	u32 dev_id = le32_to_cpu(psspPayload->device_id);
1697 
1698 	ccb = &pm8001_ha->ccb_info[tag];
1699 	t = ccb->task;
1700 	pm8001_dev = ccb->device;
1701 	if (event)
1702 		PM8001_FAIL_DBG(pm8001_ha,
1703 			pm8001_printk("sas IO status 0x%x\n", event));
1704 	if (unlikely(!t || !t->lldd_task || !t->dev))
1705 		return;
1706 	ts = &t->task_status;
1707 	PM8001_IO_DBG(pm8001_ha,
1708 		pm8001_printk("port_id = %x,device_id = %x\n",
1709 		port_id, dev_id));
1710 	switch (event) {
1711 	case IO_OVERFLOW:
1712 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1713 		ts->resp = SAS_TASK_COMPLETE;
1714 		ts->stat = SAS_DATA_OVERRUN;
1715 		ts->residual = 0;
1716 		if (pm8001_dev)
1717 			pm8001_dev->running_req--;
1718 		break;
1719 	case IO_XFER_ERROR_BREAK:
1720 		PM8001_IO_DBG(pm8001_ha,
1721 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1722 		ts->resp = SAS_TASK_COMPLETE;
1723 		ts->stat = SAS_INTERRUPTED;
1724 		break;
1725 	case IO_XFER_ERROR_PHY_NOT_READY:
1726 		PM8001_IO_DBG(pm8001_ha,
1727 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1728 		ts->resp = SAS_TASK_COMPLETE;
1729 		ts->stat = SAS_OPEN_REJECT;
1730 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1731 		break;
1732 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1733 		PM8001_IO_DBG(pm8001_ha,
1734 			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
1735 			"_SUPPORTED\n"));
1736 		ts->resp = SAS_TASK_COMPLETE;
1737 		ts->stat = SAS_OPEN_REJECT;
1738 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1739 		break;
1740 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1741 		PM8001_IO_DBG(pm8001_ha,
1742 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1743 		ts->resp = SAS_TASK_COMPLETE;
1744 		ts->stat = SAS_OPEN_REJECT;
1745 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1746 		break;
1747 	case IO_OPEN_CNX_ERROR_BREAK:
1748 		PM8001_IO_DBG(pm8001_ha,
1749 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1750 		ts->resp = SAS_TASK_COMPLETE;
1751 		ts->stat = SAS_OPEN_REJECT;
1752 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1753 		break;
1754 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1755 		PM8001_IO_DBG(pm8001_ha,
1756 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1757 		ts->resp = SAS_TASK_COMPLETE;
1758 		ts->stat = SAS_OPEN_REJECT;
1759 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1760 		if (!t->uldd_task)
1761 			pm8001_handle_event(pm8001_ha,
1762 				pm8001_dev,
1763 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1764 		break;
1765 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1766 		PM8001_IO_DBG(pm8001_ha,
1767 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1768 		ts->resp = SAS_TASK_COMPLETE;
1769 		ts->stat = SAS_OPEN_REJECT;
1770 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1771 		break;
1772 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1773 		PM8001_IO_DBG(pm8001_ha,
1774 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1775 			"NOT_SUPPORTED\n"));
1776 		ts->resp = SAS_TASK_COMPLETE;
1777 		ts->stat = SAS_OPEN_REJECT;
1778 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1779 		break;
1780 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1781 		PM8001_IO_DBG(pm8001_ha,
1782 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1783 		ts->resp = SAS_TASK_COMPLETE;
1784 		ts->stat = SAS_OPEN_REJECT;
1785 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1786 		break;
1787 	case IO_XFER_ERROR_NAK_RECEIVED:
1788 		PM8001_IO_DBG(pm8001_ha,
1789 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1790 		ts->resp = SAS_TASK_COMPLETE;
1791 		ts->stat = SAS_OPEN_REJECT;
1792 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1793 		break;
1794 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1795 		PM8001_IO_DBG(pm8001_ha,
1796 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1797 		ts->resp = SAS_TASK_COMPLETE;
1798 		ts->stat = SAS_NAK_R_ERR;
1799 		break;
1800 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1801 		PM8001_IO_DBG(pm8001_ha,
1802 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1803 		ts->resp = SAS_TASK_COMPLETE;
1804 		ts->stat = SAS_OPEN_REJECT;
1805 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1806 		break;
1807 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
1808 		PM8001_IO_DBG(pm8001_ha,
1809 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
1810 		ts->resp = SAS_TASK_COMPLETE;
1811 		ts->stat = SAS_DATA_OVERRUN;
1812 		break;
1813 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
1814 		PM8001_IO_DBG(pm8001_ha,
1815 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
1816 		ts->resp = SAS_TASK_COMPLETE;
1817 		ts->stat = SAS_DATA_OVERRUN;
1818 		break;
1819 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
1820 		PM8001_IO_DBG(pm8001_ha,
1821 		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
1822 		ts->resp = SAS_TASK_COMPLETE;
1823 		ts->stat = SAS_DATA_OVERRUN;
1824 		break;
1825 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
1826 		PM8001_IO_DBG(pm8001_ha,
1827 		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
1828 		ts->resp = SAS_TASK_COMPLETE;
1829 		ts->stat = SAS_DATA_OVERRUN;
1830 		break;
1831 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1832 		PM8001_IO_DBG(pm8001_ha,
1833 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1834 		ts->resp = SAS_TASK_COMPLETE;
1835 		ts->stat = SAS_DATA_OVERRUN;
1836 		break;
1837 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
1838 		PM8001_IO_DBG(pm8001_ha,
1839 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
1840 		ts->resp = SAS_TASK_COMPLETE;
1841 		ts->stat = SAS_DATA_OVERRUN;
1842 		break;
1843 	case IO_XFER_CMD_FRAME_ISSUED:
1844 		PM8001_IO_DBG(pm8001_ha,
1845 			pm8001_printk("  IO_XFER_CMD_FRAME_ISSUED\n"));
1846 		return;
1847 	default:
1848 		PM8001_IO_DBG(pm8001_ha,
1849 			pm8001_printk("Unknown status 0x%x\n", event));
1850 		/* not allowed case. Therefore, return failed status */
1851 		ts->resp = SAS_TASK_COMPLETE;
1852 		ts->stat = SAS_DATA_OVERRUN;
1853 		break;
1854 	}
1855 	spin_lock_irqsave(&t->task_state_lock, flags);
1856 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1857 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1858 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1859 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1860 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1861 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
1862 			" event 0x%x resp 0x%x "
1863 			"stat 0x%x but aborted by upper layer!\n",
1864 			t, event, ts->resp, ts->stat));
1865 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1866 	} else {
1867 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1868 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1869 		mb();/* in order to force CPU ordering */
1870 		t->task_done(t);
1871 	}
1872 }
1873 
1874 /*See the comments for mpi_ssp_completion */
1875 static void
1876 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1877 {
1878 	struct sas_task *t;
1879 	struct pm8001_ccb_info *ccb;
1880 	unsigned long flags = 0;
1881 	u32 param;
1882 	u32 status;
1883 	u32 tag;
1884 	struct sata_completion_resp *psataPayload;
1885 	struct task_status_struct *ts;
1886 	struct ata_task_resp *resp ;
1887 	u32 *sata_resp;
1888 	struct pm8001_device *pm8001_dev;
1889 
1890 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
1891 	status = le32_to_cpu(psataPayload->status);
1892 	tag = le32_to_cpu(psataPayload->tag);
1893 
1894 	ccb = &pm8001_ha->ccb_info[tag];
1895 	param = le32_to_cpu(psataPayload->param);
1896 	t = ccb->task;
1897 	ts = &t->task_status;
1898 	pm8001_dev = ccb->device;
1899 	if (status)
1900 		PM8001_FAIL_DBG(pm8001_ha,
1901 			pm8001_printk("sata IO status 0x%x\n", status));
1902 	if (unlikely(!t || !t->lldd_task || !t->dev))
1903 		return;
1904 
1905 	switch (status) {
1906 	case IO_SUCCESS:
1907 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
1908 		if (param == 0) {
1909 			ts->resp = SAS_TASK_COMPLETE;
1910 			ts->stat = SAM_STAT_GOOD;
1911 		} else {
1912 			u8 len;
1913 			ts->resp = SAS_TASK_COMPLETE;
1914 			ts->stat = SAS_PROTO_RESPONSE;
1915 			ts->residual = param;
1916 			PM8001_IO_DBG(pm8001_ha,
1917 				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
1918 				param));
1919 			sata_resp = &psataPayload->sata_resp[0];
1920 			resp = (struct ata_task_resp *)ts->buf;
1921 			if (t->ata_task.dma_xfer == 0 &&
1922 			t->data_dir == PCI_DMA_FROMDEVICE) {
1923 				len = sizeof(struct pio_setup_fis);
1924 				PM8001_IO_DBG(pm8001_ha,
1925 				pm8001_printk("PIO read len = %d\n", len));
1926 			} else if (t->ata_task.use_ncq) {
1927 				len = sizeof(struct set_dev_bits_fis);
1928 				PM8001_IO_DBG(pm8001_ha,
1929 					pm8001_printk("FPDMA len = %d\n", len));
1930 			} else {
1931 				len = sizeof(struct dev_to_host_fis);
1932 				PM8001_IO_DBG(pm8001_ha,
1933 				pm8001_printk("other len = %d\n", len));
1934 			}
1935 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
1936 				resp->frame_len = len;
1937 				memcpy(&resp->ending_fis[0], sata_resp, len);
1938 				ts->buf_valid_size = sizeof(*resp);
1939 			} else
1940 				PM8001_IO_DBG(pm8001_ha,
1941 					pm8001_printk("response to large\n"));
1942 		}
1943 		if (pm8001_dev)
1944 			pm8001_dev->running_req--;
1945 		break;
1946 	case IO_ABORTED:
1947 		PM8001_IO_DBG(pm8001_ha,
1948 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1949 		ts->resp = SAS_TASK_COMPLETE;
1950 		ts->stat = SAS_ABORTED_TASK;
1951 		if (pm8001_dev)
1952 			pm8001_dev->running_req--;
1953 		break;
1954 		/* following cases are to do cases */
1955 	case IO_UNDERFLOW:
1956 		/* SATA Completion with error */
1957 		PM8001_IO_DBG(pm8001_ha,
1958 			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
1959 		ts->resp = SAS_TASK_COMPLETE;
1960 		ts->stat = SAS_DATA_UNDERRUN;
1961 		ts->residual =  param;
1962 		if (pm8001_dev)
1963 			pm8001_dev->running_req--;
1964 		break;
1965 	case IO_NO_DEVICE:
1966 		PM8001_IO_DBG(pm8001_ha,
1967 			pm8001_printk("IO_NO_DEVICE\n"));
1968 		ts->resp = SAS_TASK_UNDELIVERED;
1969 		ts->stat = SAS_PHY_DOWN;
1970 		break;
1971 	case IO_XFER_ERROR_BREAK:
1972 		PM8001_IO_DBG(pm8001_ha,
1973 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1974 		ts->resp = SAS_TASK_COMPLETE;
1975 		ts->stat = SAS_INTERRUPTED;
1976 		break;
1977 	case IO_XFER_ERROR_PHY_NOT_READY:
1978 		PM8001_IO_DBG(pm8001_ha,
1979 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1980 		ts->resp = SAS_TASK_COMPLETE;
1981 		ts->stat = SAS_OPEN_REJECT;
1982 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1983 		break;
1984 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1985 		PM8001_IO_DBG(pm8001_ha,
1986 			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
1987 			"_SUPPORTED\n"));
1988 		ts->resp = SAS_TASK_COMPLETE;
1989 		ts->stat = SAS_OPEN_REJECT;
1990 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1991 		break;
1992 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1993 		PM8001_IO_DBG(pm8001_ha,
1994 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1995 		ts->resp = SAS_TASK_COMPLETE;
1996 		ts->stat = SAS_OPEN_REJECT;
1997 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1998 		break;
1999 	case IO_OPEN_CNX_ERROR_BREAK:
2000 		PM8001_IO_DBG(pm8001_ha,
2001 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2002 		ts->resp = SAS_TASK_COMPLETE;
2003 		ts->stat = SAS_OPEN_REJECT;
2004 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2005 		break;
2006 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2007 		PM8001_IO_DBG(pm8001_ha,
2008 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2009 		ts->resp = SAS_TASK_COMPLETE;
2010 		ts->stat = SAS_DEV_NO_RESPONSE;
2011 		if (!t->uldd_task) {
2012 			pm8001_handle_event(pm8001_ha,
2013 				pm8001_dev,
2014 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2015 			ts->resp = SAS_TASK_UNDELIVERED;
2016 			ts->stat = SAS_QUEUE_FULL;
2017 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2018 			mb();/*in order to force CPU ordering*/
2019 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2020 			t->task_done(t);
2021 			spin_lock_irqsave(&pm8001_ha->lock, flags);
2022 			return;
2023 		}
2024 		break;
2025 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2026 		PM8001_IO_DBG(pm8001_ha,
2027 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2028 		ts->resp = SAS_TASK_UNDELIVERED;
2029 		ts->stat = SAS_OPEN_REJECT;
2030 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2031 		if (!t->uldd_task) {
2032 			pm8001_handle_event(pm8001_ha,
2033 				pm8001_dev,
2034 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2035 			ts->resp = SAS_TASK_UNDELIVERED;
2036 			ts->stat = SAS_QUEUE_FULL;
2037 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2038 			mb();/*ditto*/
2039 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2040 			t->task_done(t);
2041 			spin_lock_irqsave(&pm8001_ha->lock, flags);
2042 			return;
2043 		}
2044 		break;
2045 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2046 		PM8001_IO_DBG(pm8001_ha,
2047 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2048 			"NOT_SUPPORTED\n"));
2049 		ts->resp = SAS_TASK_COMPLETE;
2050 		ts->stat = SAS_OPEN_REJECT;
2051 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2052 		break;
2053 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2054 		PM8001_IO_DBG(pm8001_ha,
2055 			pm8001_printk("IO_OPEN_CNX_ERROR_STP_RESOURCES"
2056 			"_BUSY\n"));
2057 		ts->resp = SAS_TASK_COMPLETE;
2058 		ts->stat = SAS_DEV_NO_RESPONSE;
2059 		if (!t->uldd_task) {
2060 			pm8001_handle_event(pm8001_ha,
2061 				pm8001_dev,
2062 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2063 			ts->resp = SAS_TASK_UNDELIVERED;
2064 			ts->stat = SAS_QUEUE_FULL;
2065 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2066 			mb();/* ditto*/
2067 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2068 			t->task_done(t);
2069 			spin_lock_irqsave(&pm8001_ha->lock, flags);
2070 			return;
2071 		}
2072 		break;
2073 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2074 		PM8001_IO_DBG(pm8001_ha,
2075 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2076 		ts->resp = SAS_TASK_COMPLETE;
2077 		ts->stat = SAS_OPEN_REJECT;
2078 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2079 		break;
2080 	case IO_XFER_ERROR_NAK_RECEIVED:
2081 		PM8001_IO_DBG(pm8001_ha,
2082 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2083 		ts->resp = SAS_TASK_COMPLETE;
2084 		ts->stat = SAS_NAK_R_ERR;
2085 		break;
2086 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2087 		PM8001_IO_DBG(pm8001_ha,
2088 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2089 		ts->resp = SAS_TASK_COMPLETE;
2090 		ts->stat = SAS_NAK_R_ERR;
2091 		break;
2092 	case IO_XFER_ERROR_DMA:
2093 		PM8001_IO_DBG(pm8001_ha,
2094 			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2095 		ts->resp = SAS_TASK_COMPLETE;
2096 		ts->stat = SAS_ABORTED_TASK;
2097 		break;
2098 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2099 		PM8001_IO_DBG(pm8001_ha,
2100 			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2101 		ts->resp = SAS_TASK_UNDELIVERED;
2102 		ts->stat = SAS_DEV_NO_RESPONSE;
2103 		break;
2104 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2105 		PM8001_IO_DBG(pm8001_ha,
2106 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2107 		ts->resp = SAS_TASK_COMPLETE;
2108 		ts->stat = SAS_DATA_UNDERRUN;
2109 		break;
2110 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2111 		PM8001_IO_DBG(pm8001_ha,
2112 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2113 		ts->resp = SAS_TASK_COMPLETE;
2114 		ts->stat = SAS_OPEN_TO;
2115 		break;
2116 	case IO_PORT_IN_RESET:
2117 		PM8001_IO_DBG(pm8001_ha,
2118 			pm8001_printk("IO_PORT_IN_RESET\n"));
2119 		ts->resp = SAS_TASK_COMPLETE;
2120 		ts->stat = SAS_DEV_NO_RESPONSE;
2121 		break;
2122 	case IO_DS_NON_OPERATIONAL:
2123 		PM8001_IO_DBG(pm8001_ha,
2124 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2125 		ts->resp = SAS_TASK_COMPLETE;
2126 		ts->stat = SAS_DEV_NO_RESPONSE;
2127 		if (!t->uldd_task) {
2128 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2129 				    IO_DS_NON_OPERATIONAL);
2130 			ts->resp = SAS_TASK_UNDELIVERED;
2131 			ts->stat = SAS_QUEUE_FULL;
2132 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2133 			mb();/*ditto*/
2134 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2135 			t->task_done(t);
2136 			spin_lock_irqsave(&pm8001_ha->lock, flags);
2137 			return;
2138 		}
2139 		break;
2140 	case IO_DS_IN_RECOVERY:
2141 		PM8001_IO_DBG(pm8001_ha,
2142 			pm8001_printk("  IO_DS_IN_RECOVERY\n"));
2143 		ts->resp = SAS_TASK_COMPLETE;
2144 		ts->stat = SAS_DEV_NO_RESPONSE;
2145 		break;
2146 	case IO_DS_IN_ERROR:
2147 		PM8001_IO_DBG(pm8001_ha,
2148 			pm8001_printk("IO_DS_IN_ERROR\n"));
2149 		ts->resp = SAS_TASK_COMPLETE;
2150 		ts->stat = SAS_DEV_NO_RESPONSE;
2151 		if (!t->uldd_task) {
2152 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2153 				    IO_DS_IN_ERROR);
2154 			ts->resp = SAS_TASK_UNDELIVERED;
2155 			ts->stat = SAS_QUEUE_FULL;
2156 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2157 			mb();/*ditto*/
2158 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2159 			t->task_done(t);
2160 			spin_lock_irqsave(&pm8001_ha->lock, flags);
2161 			return;
2162 		}
2163 		break;
2164 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2165 		PM8001_IO_DBG(pm8001_ha,
2166 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2167 		ts->resp = SAS_TASK_COMPLETE;
2168 		ts->stat = SAS_OPEN_REJECT;
2169 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2170 	default:
2171 		PM8001_IO_DBG(pm8001_ha,
2172 			pm8001_printk("Unknown status 0x%x\n", status));
2173 		/* not allowed case. Therefore, return failed status */
2174 		ts->resp = SAS_TASK_COMPLETE;
2175 		ts->stat = SAS_DEV_NO_RESPONSE;
2176 		break;
2177 	}
2178 	spin_lock_irqsave(&t->task_state_lock, flags);
2179 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2180 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2181 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2182 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2183 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2184 		PM8001_FAIL_DBG(pm8001_ha,
2185 			pm8001_printk("task 0x%p done with io_status 0x%x"
2186 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2187 			t, status, ts->resp, ts->stat));
2188 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2189 	} else if (t->uldd_task) {
2190 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2191 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2192 		mb();/* ditto */
2193 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2194 		t->task_done(t);
2195 		spin_lock_irqsave(&pm8001_ha->lock, flags);
2196 	} else if (!t->uldd_task) {
2197 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2198 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2199 		mb();/*ditto*/
2200 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2201 		t->task_done(t);
2202 		spin_lock_irqsave(&pm8001_ha->lock, flags);
2203 	}
2204 }
2205 
2206 /*See the comments for mpi_ssp_completion */
2207 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2208 {
2209 	struct sas_task *t;
2210 	unsigned long flags = 0;
2211 	struct task_status_struct *ts;
2212 	struct pm8001_ccb_info *ccb;
2213 	struct pm8001_device *pm8001_dev;
2214 	struct sata_event_resp *psataPayload =
2215 		(struct sata_event_resp *)(piomb + 4);
2216 	u32 event = le32_to_cpu(psataPayload->event);
2217 	u32 tag = le32_to_cpu(psataPayload->tag);
2218 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2219 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2220 
2221 	ccb = &pm8001_ha->ccb_info[tag];
2222 	t = ccb->task;
2223 	pm8001_dev = ccb->device;
2224 	if (event)
2225 		PM8001_FAIL_DBG(pm8001_ha,
2226 			pm8001_printk("sata IO status 0x%x\n", event));
2227 	if (unlikely(!t || !t->lldd_task || !t->dev))
2228 		return;
2229 	ts = &t->task_status;
2230 	PM8001_IO_DBG(pm8001_ha,
2231 		pm8001_printk("port_id = %x,device_id = %x\n",
2232 		port_id, dev_id));
2233 	switch (event) {
2234 	case IO_OVERFLOW:
2235 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2236 		ts->resp = SAS_TASK_COMPLETE;
2237 		ts->stat = SAS_DATA_OVERRUN;
2238 		ts->residual = 0;
2239 		if (pm8001_dev)
2240 			pm8001_dev->running_req--;
2241 		break;
2242 	case IO_XFER_ERROR_BREAK:
2243 		PM8001_IO_DBG(pm8001_ha,
2244 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2245 		ts->resp = SAS_TASK_COMPLETE;
2246 		ts->stat = SAS_INTERRUPTED;
2247 		break;
2248 	case IO_XFER_ERROR_PHY_NOT_READY:
2249 		PM8001_IO_DBG(pm8001_ha,
2250 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2251 		ts->resp = SAS_TASK_COMPLETE;
2252 		ts->stat = SAS_OPEN_REJECT;
2253 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2254 		break;
2255 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2256 		PM8001_IO_DBG(pm8001_ha,
2257 			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2258 			"_SUPPORTED\n"));
2259 		ts->resp = SAS_TASK_COMPLETE;
2260 		ts->stat = SAS_OPEN_REJECT;
2261 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2262 		break;
2263 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2264 		PM8001_IO_DBG(pm8001_ha,
2265 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2266 		ts->resp = SAS_TASK_COMPLETE;
2267 		ts->stat = SAS_OPEN_REJECT;
2268 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2269 		break;
2270 	case IO_OPEN_CNX_ERROR_BREAK:
2271 		PM8001_IO_DBG(pm8001_ha,
2272 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2273 		ts->resp = SAS_TASK_COMPLETE;
2274 		ts->stat = SAS_OPEN_REJECT;
2275 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2276 		break;
2277 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2278 		PM8001_IO_DBG(pm8001_ha,
2279 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2280 		ts->resp = SAS_TASK_UNDELIVERED;
2281 		ts->stat = SAS_DEV_NO_RESPONSE;
2282 		if (!t->uldd_task) {
2283 			pm8001_handle_event(pm8001_ha,
2284 				pm8001_dev,
2285 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2286 			ts->resp = SAS_TASK_COMPLETE;
2287 			ts->stat = SAS_QUEUE_FULL;
2288 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2289 			mb();/*ditto*/
2290 			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2291 			t->task_done(t);
2292 			spin_lock_irqsave(&pm8001_ha->lock, flags);
2293 			return;
2294 		}
2295 		break;
2296 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2297 		PM8001_IO_DBG(pm8001_ha,
2298 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2299 		ts->resp = SAS_TASK_UNDELIVERED;
2300 		ts->stat = SAS_OPEN_REJECT;
2301 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2302 		break;
2303 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2304 		PM8001_IO_DBG(pm8001_ha,
2305 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2306 			"NOT_SUPPORTED\n"));
2307 		ts->resp = SAS_TASK_COMPLETE;
2308 		ts->stat = SAS_OPEN_REJECT;
2309 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2310 		break;
2311 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2312 		PM8001_IO_DBG(pm8001_ha,
2313 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2314 		ts->resp = SAS_TASK_COMPLETE;
2315 		ts->stat = SAS_OPEN_REJECT;
2316 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2317 		break;
2318 	case IO_XFER_ERROR_NAK_RECEIVED:
2319 		PM8001_IO_DBG(pm8001_ha,
2320 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2321 		ts->resp = SAS_TASK_COMPLETE;
2322 		ts->stat = SAS_NAK_R_ERR;
2323 		break;
2324 	case IO_XFER_ERROR_PEER_ABORTED:
2325 		PM8001_IO_DBG(pm8001_ha,
2326 			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2327 		ts->resp = SAS_TASK_COMPLETE;
2328 		ts->stat = SAS_NAK_R_ERR;
2329 		break;
2330 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2331 		PM8001_IO_DBG(pm8001_ha,
2332 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2333 		ts->resp = SAS_TASK_COMPLETE;
2334 		ts->stat = SAS_DATA_UNDERRUN;
2335 		break;
2336 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2337 		PM8001_IO_DBG(pm8001_ha,
2338 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2339 		ts->resp = SAS_TASK_COMPLETE;
2340 		ts->stat = SAS_OPEN_TO;
2341 		break;
2342 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2343 		PM8001_IO_DBG(pm8001_ha,
2344 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2345 		ts->resp = SAS_TASK_COMPLETE;
2346 		ts->stat = SAS_OPEN_TO;
2347 		break;
2348 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2349 		PM8001_IO_DBG(pm8001_ha,
2350 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2351 		ts->resp = SAS_TASK_COMPLETE;
2352 		ts->stat = SAS_OPEN_TO;
2353 		break;
2354 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2355 		PM8001_IO_DBG(pm8001_ha,
2356 		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2357 		ts->resp = SAS_TASK_COMPLETE;
2358 		ts->stat = SAS_OPEN_TO;
2359 		break;
2360 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2361 		PM8001_IO_DBG(pm8001_ha,
2362 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2363 		ts->resp = SAS_TASK_COMPLETE;
2364 		ts->stat = SAS_OPEN_TO;
2365 		break;
2366 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2367 		PM8001_IO_DBG(pm8001_ha,
2368 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2369 		ts->resp = SAS_TASK_COMPLETE;
2370 		ts->stat = SAS_OPEN_TO;
2371 		break;
2372 	case IO_XFER_CMD_FRAME_ISSUED:
2373 		PM8001_IO_DBG(pm8001_ha,
2374 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2375 		break;
2376 	case IO_XFER_PIO_SETUP_ERROR:
2377 		PM8001_IO_DBG(pm8001_ha,
2378 			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2379 		ts->resp = SAS_TASK_COMPLETE;
2380 		ts->stat = SAS_OPEN_TO;
2381 		break;
2382 	default:
2383 		PM8001_IO_DBG(pm8001_ha,
2384 			pm8001_printk("Unknown status 0x%x\n", event));
2385 		/* not allowed case. Therefore, return failed status */
2386 		ts->resp = SAS_TASK_COMPLETE;
2387 		ts->stat = SAS_OPEN_TO;
2388 		break;
2389 	}
2390 	spin_lock_irqsave(&t->task_state_lock, flags);
2391 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2392 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2393 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2394 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2395 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2396 		PM8001_FAIL_DBG(pm8001_ha,
2397 			pm8001_printk("task 0x%p done with io_status 0x%x"
2398 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2399 			t, event, ts->resp, ts->stat));
2400 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2401 	} else if (t->uldd_task) {
2402 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2403 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2404 		mb();/* ditto */
2405 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2406 		t->task_done(t);
2407 		spin_lock_irqsave(&pm8001_ha->lock, flags);
2408 	} else if (!t->uldd_task) {
2409 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2410 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2411 		mb();/*ditto*/
2412 		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2413 		t->task_done(t);
2414 		spin_lock_irqsave(&pm8001_ha->lock, flags);
2415 	}
2416 }
2417 
2418 /*See the comments for mpi_ssp_completion */
2419 static void
2420 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2421 {
2422 	u32 param;
2423 	struct sas_task *t;
2424 	struct pm8001_ccb_info *ccb;
2425 	unsigned long flags;
2426 	u32 status;
2427 	u32 tag;
2428 	struct smp_completion_resp *psmpPayload;
2429 	struct task_status_struct *ts;
2430 	struct pm8001_device *pm8001_dev;
2431 
2432 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2433 	status = le32_to_cpu(psmpPayload->status);
2434 	tag = le32_to_cpu(psmpPayload->tag);
2435 
2436 	ccb = &pm8001_ha->ccb_info[tag];
2437 	param = le32_to_cpu(psmpPayload->param);
2438 	t = ccb->task;
2439 	ts = &t->task_status;
2440 	pm8001_dev = ccb->device;
2441 	if (status)
2442 		PM8001_FAIL_DBG(pm8001_ha,
2443 			pm8001_printk("smp IO status 0x%x\n", status));
2444 	if (unlikely(!t || !t->lldd_task || !t->dev))
2445 		return;
2446 
2447 	switch (status) {
2448 	case IO_SUCCESS:
2449 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2450 		ts->resp = SAS_TASK_COMPLETE;
2451 		ts->stat = SAM_STAT_GOOD;
2452 	if (pm8001_dev)
2453 			pm8001_dev->running_req--;
2454 		break;
2455 	case IO_ABORTED:
2456 		PM8001_IO_DBG(pm8001_ha,
2457 			pm8001_printk("IO_ABORTED IOMB\n"));
2458 		ts->resp = SAS_TASK_COMPLETE;
2459 		ts->stat = SAS_ABORTED_TASK;
2460 		if (pm8001_dev)
2461 			pm8001_dev->running_req--;
2462 		break;
2463 	case IO_OVERFLOW:
2464 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2465 		ts->resp = SAS_TASK_COMPLETE;
2466 		ts->stat = SAS_DATA_OVERRUN;
2467 		ts->residual = 0;
2468 		if (pm8001_dev)
2469 			pm8001_dev->running_req--;
2470 		break;
2471 	case IO_NO_DEVICE:
2472 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2473 		ts->resp = SAS_TASK_COMPLETE;
2474 		ts->stat = SAS_PHY_DOWN;
2475 		break;
2476 	case IO_ERROR_HW_TIMEOUT:
2477 		PM8001_IO_DBG(pm8001_ha,
2478 			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2479 		ts->resp = SAS_TASK_COMPLETE;
2480 		ts->stat = SAM_STAT_BUSY;
2481 		break;
2482 	case IO_XFER_ERROR_BREAK:
2483 		PM8001_IO_DBG(pm8001_ha,
2484 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2485 		ts->resp = SAS_TASK_COMPLETE;
2486 		ts->stat = SAM_STAT_BUSY;
2487 		break;
2488 	case IO_XFER_ERROR_PHY_NOT_READY:
2489 		PM8001_IO_DBG(pm8001_ha,
2490 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2491 		ts->resp = SAS_TASK_COMPLETE;
2492 		ts->stat = SAM_STAT_BUSY;
2493 		break;
2494 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2495 		PM8001_IO_DBG(pm8001_ha,
2496 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2497 		ts->resp = SAS_TASK_COMPLETE;
2498 		ts->stat = SAS_OPEN_REJECT;
2499 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2500 		break;
2501 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2502 		PM8001_IO_DBG(pm8001_ha,
2503 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2504 		ts->resp = SAS_TASK_COMPLETE;
2505 		ts->stat = SAS_OPEN_REJECT;
2506 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2507 		break;
2508 	case IO_OPEN_CNX_ERROR_BREAK:
2509 		PM8001_IO_DBG(pm8001_ha,
2510 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2511 		ts->resp = SAS_TASK_COMPLETE;
2512 		ts->stat = SAS_OPEN_REJECT;
2513 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2514 		break;
2515 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2516 		PM8001_IO_DBG(pm8001_ha,
2517 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2518 		ts->resp = SAS_TASK_COMPLETE;
2519 		ts->stat = SAS_OPEN_REJECT;
2520 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2521 		pm8001_handle_event(pm8001_ha,
2522 				pm8001_dev,
2523 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2524 		break;
2525 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2526 		PM8001_IO_DBG(pm8001_ha,
2527 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2528 		ts->resp = SAS_TASK_COMPLETE;
2529 		ts->stat = SAS_OPEN_REJECT;
2530 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2531 		break;
2532 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2533 		PM8001_IO_DBG(pm8001_ha,
2534 			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2535 			"NOT_SUPPORTED\n"));
2536 		ts->resp = SAS_TASK_COMPLETE;
2537 		ts->stat = SAS_OPEN_REJECT;
2538 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2539 		break;
2540 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2541 		PM8001_IO_DBG(pm8001_ha,
2542 		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2543 		ts->resp = SAS_TASK_COMPLETE;
2544 		ts->stat = SAS_OPEN_REJECT;
2545 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2546 		break;
2547 	case IO_XFER_ERROR_RX_FRAME:
2548 		PM8001_IO_DBG(pm8001_ha,
2549 			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2550 		ts->resp = SAS_TASK_COMPLETE;
2551 		ts->stat = SAS_DEV_NO_RESPONSE;
2552 		break;
2553 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2554 		PM8001_IO_DBG(pm8001_ha,
2555 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2556 		ts->resp = SAS_TASK_COMPLETE;
2557 		ts->stat = SAS_OPEN_REJECT;
2558 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2559 		break;
2560 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
2561 		PM8001_IO_DBG(pm8001_ha,
2562 			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2563 		ts->resp = SAS_TASK_COMPLETE;
2564 		ts->stat = SAS_QUEUE_FULL;
2565 		break;
2566 	case IO_PORT_IN_RESET:
2567 		PM8001_IO_DBG(pm8001_ha,
2568 			pm8001_printk("IO_PORT_IN_RESET\n"));
2569 		ts->resp = SAS_TASK_COMPLETE;
2570 		ts->stat = SAS_OPEN_REJECT;
2571 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2572 		break;
2573 	case IO_DS_NON_OPERATIONAL:
2574 		PM8001_IO_DBG(pm8001_ha,
2575 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2576 		ts->resp = SAS_TASK_COMPLETE;
2577 		ts->stat = SAS_DEV_NO_RESPONSE;
2578 		break;
2579 	case IO_DS_IN_RECOVERY:
2580 		PM8001_IO_DBG(pm8001_ha,
2581 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2582 		ts->resp = SAS_TASK_COMPLETE;
2583 		ts->stat = SAS_OPEN_REJECT;
2584 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2585 		break;
2586 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2587 		PM8001_IO_DBG(pm8001_ha,
2588 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2589 		ts->resp = SAS_TASK_COMPLETE;
2590 		ts->stat = SAS_OPEN_REJECT;
2591 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2592 		break;
2593 	default:
2594 		PM8001_IO_DBG(pm8001_ha,
2595 			pm8001_printk("Unknown status 0x%x\n", status));
2596 		ts->resp = SAS_TASK_COMPLETE;
2597 		ts->stat = SAS_DEV_NO_RESPONSE;
2598 		/* not allowed case. Therefore, return failed status */
2599 		break;
2600 	}
2601 	spin_lock_irqsave(&t->task_state_lock, flags);
2602 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2603 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2604 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2605 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2606 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2607 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2608 			" io_status 0x%x resp 0x%x "
2609 			"stat 0x%x but aborted by upper layer!\n",
2610 			t, status, ts->resp, ts->stat));
2611 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2612 	} else {
2613 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2614 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2615 		mb();/* in order to force CPU ordering */
2616 		t->task_done(t);
2617 	}
2618 }
2619 
2620 static void
2621 mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2622 {
2623 	struct set_dev_state_resp *pPayload =
2624 		(struct set_dev_state_resp *)(piomb + 4);
2625 	u32 tag = le32_to_cpu(pPayload->tag);
2626 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2627 	struct pm8001_device *pm8001_dev = ccb->device;
2628 	u32 status = le32_to_cpu(pPayload->status);
2629 	u32 device_id = le32_to_cpu(pPayload->device_id);
2630 	u8 pds = le32_to_cpu(pPayload->pds_nds) | PDS_BITS;
2631 	u8 nds = le32_to_cpu(pPayload->pds_nds) | NDS_BITS;
2632 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set device id = 0x%x state "
2633 		"from 0x%x to 0x%x status = 0x%x!\n",
2634 		device_id, pds, nds, status));
2635 	complete(pm8001_dev->setds_completion);
2636 	ccb->task = NULL;
2637 	ccb->ccb_tag = 0xFFFFFFFF;
2638 	pm8001_ccb_free(pm8001_ha, tag);
2639 }
2640 
2641 static void
2642 mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2643 {
2644 	struct get_nvm_data_resp *pPayload =
2645 		(struct get_nvm_data_resp *)(piomb + 4);
2646 	u32 tag = le32_to_cpu(pPayload->tag);
2647 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2648 	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2649 	complete(pm8001_ha->nvmd_completion);
2650 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set nvm data complete!\n"));
2651 	if ((dlen_status & NVMD_STAT) != 0) {
2652 		PM8001_FAIL_DBG(pm8001_ha,
2653 			pm8001_printk("Set nvm data error!\n"));
2654 		return;
2655 	}
2656 	ccb->task = NULL;
2657 	ccb->ccb_tag = 0xFFFFFFFF;
2658 	pm8001_ccb_free(pm8001_ha, tag);
2659 }
2660 
2661 static void
2662 mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2663 {
2664 	struct fw_control_ex	*fw_control_context;
2665 	struct get_nvm_data_resp *pPayload =
2666 		(struct get_nvm_data_resp *)(piomb + 4);
2667 	u32 tag = le32_to_cpu(pPayload->tag);
2668 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2669 	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2670 	u32 ir_tds_bn_dps_das_nvm =
2671 		le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
2672 	void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
2673 	fw_control_context = ccb->fw_control_context;
2674 
2675 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
2676 	if ((dlen_status & NVMD_STAT) != 0) {
2677 		PM8001_FAIL_DBG(pm8001_ha,
2678 			pm8001_printk("Get nvm data error!\n"));
2679 		complete(pm8001_ha->nvmd_completion);
2680 		return;
2681 	}
2682 
2683 	if (ir_tds_bn_dps_das_nvm & IPMode) {
2684 		/* indirect mode - IR bit set */
2685 		PM8001_MSG_DBG(pm8001_ha,
2686 			pm8001_printk("Get NVMD success, IR=1\n"));
2687 		if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
2688 			if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
2689 				memcpy(pm8001_ha->sas_addr,
2690 				      ((u8 *)virt_addr + 4),
2691 				       SAS_ADDR_SIZE);
2692 				PM8001_MSG_DBG(pm8001_ha,
2693 					pm8001_printk("Get SAS address"
2694 					" from VPD successfully!\n"));
2695 			}
2696 		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
2697 			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
2698 			((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
2699 				;
2700 		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
2701 			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
2702 			;
2703 		} else {
2704 			/* Should not be happened*/
2705 			PM8001_MSG_DBG(pm8001_ha,
2706 				pm8001_printk("(IR=1)Wrong Device type 0x%x\n",
2707 				ir_tds_bn_dps_das_nvm));
2708 		}
2709 	} else /* direct mode */{
2710 		PM8001_MSG_DBG(pm8001_ha,
2711 			pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
2712 			(dlen_status & NVMD_LEN) >> 24));
2713 	}
2714 	memcpy(fw_control_context->usrAddr,
2715 		pm8001_ha->memoryMap.region[NVMD].virt_ptr,
2716 		fw_control_context->len);
2717 	complete(pm8001_ha->nvmd_completion);
2718 	ccb->task = NULL;
2719 	ccb->ccb_tag = 0xFFFFFFFF;
2720 	pm8001_ccb_free(pm8001_ha, tag);
2721 }
2722 
2723 static int mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
2724 {
2725 	struct local_phy_ctl_resp *pPayload =
2726 		(struct local_phy_ctl_resp *)(piomb + 4);
2727 	u32 status = le32_to_cpu(pPayload->status);
2728 	u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
2729 	u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
2730 	if (status != 0) {
2731 		PM8001_MSG_DBG(pm8001_ha,
2732 			pm8001_printk("%x phy execute %x phy op failed!\n",
2733 			phy_id, phy_op));
2734 	} else
2735 		PM8001_MSG_DBG(pm8001_ha,
2736 			pm8001_printk("%x phy execute %x phy op success!\n",
2737 			phy_id, phy_op));
2738 	return 0;
2739 }
2740 
2741 /**
2742  * pm8001_bytes_dmaed - one of the interface function communication with libsas
2743  * @pm8001_ha: our hba card information
2744  * @i: which phy that received the event.
2745  *
2746  * when HBA driver received the identify done event or initiate FIS received
2747  * event(for SATA), it will invoke this function to notify the sas layer that
2748  * the sas toplogy has formed, please discover the the whole sas domain,
2749  * while receive a broadcast(change) primitive just tell the sas
2750  * layer to discover the changed domain rather than the whole domain.
2751  */
2752 static void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
2753 {
2754 	struct pm8001_phy *phy = &pm8001_ha->phy[i];
2755 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
2756 	struct sas_ha_struct *sas_ha;
2757 	if (!phy->phy_attached)
2758 		return;
2759 
2760 	sas_ha = pm8001_ha->sas;
2761 	if (sas_phy->phy) {
2762 		struct sas_phy *sphy = sas_phy->phy;
2763 		sphy->negotiated_linkrate = sas_phy->linkrate;
2764 		sphy->minimum_linkrate = phy->minimum_linkrate;
2765 		sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
2766 		sphy->maximum_linkrate = phy->maximum_linkrate;
2767 		sphy->maximum_linkrate_hw = phy->maximum_linkrate;
2768 	}
2769 
2770 	if (phy->phy_type & PORT_TYPE_SAS) {
2771 		struct sas_identify_frame *id;
2772 		id = (struct sas_identify_frame *)phy->frame_rcvd;
2773 		id->dev_type = phy->identify.device_type;
2774 		id->initiator_bits = SAS_PROTOCOL_ALL;
2775 		id->target_bits = phy->identify.target_port_protocols;
2776 	} else if (phy->phy_type & PORT_TYPE_SATA) {
2777 		/*Nothing*/
2778 	}
2779 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("phy %d byte dmaded.\n", i));
2780 
2781 	sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
2782 	pm8001_ha->sas->notify_port_event(sas_phy, PORTE_BYTES_DMAED);
2783 }
2784 
2785 /* Get the link rate speed  */
2786 static void get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
2787 {
2788 	struct sas_phy *sas_phy = phy->sas_phy.phy;
2789 
2790 	switch (link_rate) {
2791 	case PHY_SPEED_60:
2792 		phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
2793 		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
2794 		break;
2795 	case PHY_SPEED_30:
2796 		phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
2797 		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
2798 		break;
2799 	case PHY_SPEED_15:
2800 		phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
2801 		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
2802 		break;
2803 	}
2804 	sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
2805 	sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
2806 	sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
2807 	sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
2808 	sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
2809 }
2810 
2811 /**
2812  * asd_get_attached_sas_addr -- extract/generate attached SAS address
2813  * @phy: pointer to asd_phy
2814  * @sas_addr: pointer to buffer where the SAS address is to be written
2815  *
2816  * This function extracts the SAS address from an IDENTIFY frame
2817  * received.  If OOB is SATA, then a SAS address is generated from the
2818  * HA tables.
2819  *
2820  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
2821  * buffer.
2822  */
2823 static void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
2824 	u8 *sas_addr)
2825 {
2826 	if (phy->sas_phy.frame_rcvd[0] == 0x34
2827 		&& phy->sas_phy.oob_mode == SATA_OOB_MODE) {
2828 		struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
2829 		/* FIS device-to-host */
2830 		u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
2831 		addr += phy->sas_phy.id;
2832 		*(__be64 *)sas_addr = cpu_to_be64(addr);
2833 	} else {
2834 		struct sas_identify_frame *idframe =
2835 			(void *) phy->sas_phy.frame_rcvd;
2836 		memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
2837 	}
2838 }
2839 
2840 /**
2841  * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
2842  * @pm8001_ha: our hba card information
2843  * @Qnum: the outbound queue message number.
2844  * @SEA: source of event to ack
2845  * @port_id: port id.
2846  * @phyId: phy id.
2847  * @param0: parameter 0.
2848  * @param1: parameter 1.
2849  */
2850 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
2851 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
2852 {
2853 	struct hw_event_ack_req	 payload;
2854 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
2855 
2856 	struct inbound_queue_table *circularQ;
2857 
2858 	memset((u8 *)&payload, 0, sizeof(payload));
2859 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
2860 	payload.tag = 1;
2861 	payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
2862 		((phyId & 0x0F) << 4) | (port_id & 0x0F));
2863 	payload.param0 = cpu_to_le32(param0);
2864 	payload.param1 = cpu_to_le32(param1);
2865 	mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
2866 }
2867 
2868 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
2869 	u32 phyId, u32 phy_op);
2870 
2871 /**
2872  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
2873  * @pm8001_ha: our hba card information
2874  * @piomb: IO message buffer
2875  */
2876 static void
2877 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2878 {
2879 	struct hw_event_resp *pPayload =
2880 		(struct hw_event_resp *)(piomb + 4);
2881 	u32 lr_evt_status_phyid_portid =
2882 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
2883 	u8 link_rate =
2884 		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
2885 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
2886 	u8 phy_id =
2887 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
2888 	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
2889 	u8 portstate = (u8)(npip_portstate & 0x0000000F);
2890 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2891 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2892 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2893 	unsigned long flags;
2894 	u8 deviceType = pPayload->sas_identify.dev_type;
2895 	port->port_state =  portstate;
2896 	PM8001_MSG_DBG(pm8001_ha,
2897 		pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
2898 		port_id, phy_id));
2899 
2900 	switch (deviceType) {
2901 	case SAS_PHY_UNUSED:
2902 		PM8001_MSG_DBG(pm8001_ha,
2903 			pm8001_printk("device type no device.\n"));
2904 		break;
2905 	case SAS_END_DEVICE:
2906 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
2907 		pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
2908 			PHY_NOTIFY_ENABLE_SPINUP);
2909 		port->port_attached = 1;
2910 		get_lrate_mode(phy, link_rate);
2911 		break;
2912 	case SAS_EDGE_EXPANDER_DEVICE:
2913 		PM8001_MSG_DBG(pm8001_ha,
2914 			pm8001_printk("expander device.\n"));
2915 		port->port_attached = 1;
2916 		get_lrate_mode(phy, link_rate);
2917 		break;
2918 	case SAS_FANOUT_EXPANDER_DEVICE:
2919 		PM8001_MSG_DBG(pm8001_ha,
2920 			pm8001_printk("fanout expander device.\n"));
2921 		port->port_attached = 1;
2922 		get_lrate_mode(phy, link_rate);
2923 		break;
2924 	default:
2925 		PM8001_MSG_DBG(pm8001_ha,
2926 			pm8001_printk("unknown device type(%x)\n", deviceType));
2927 		break;
2928 	}
2929 	phy->phy_type |= PORT_TYPE_SAS;
2930 	phy->identify.device_type = deviceType;
2931 	phy->phy_attached = 1;
2932 	if (phy->identify.device_type == SAS_END_DEV)
2933 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
2934 	else if (phy->identify.device_type != NO_DEVICE)
2935 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
2936 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2937 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2938 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2939 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
2940 		sizeof(struct sas_identify_frame)-4);
2941 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
2942 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2943 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2944 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
2945 		mdelay(200);/*delay a moment to wait disk to spinup*/
2946 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2947 }
2948 
2949 /**
2950  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
2951  * @pm8001_ha: our hba card information
2952  * @piomb: IO message buffer
2953  */
2954 static void
2955 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2956 {
2957 	struct hw_event_resp *pPayload =
2958 		(struct hw_event_resp *)(piomb + 4);
2959 	u32 lr_evt_status_phyid_portid =
2960 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
2961 	u8 link_rate =
2962 		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
2963 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
2964 	u8 phy_id =
2965 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
2966 	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
2967 	u8 portstate = (u8)(npip_portstate & 0x0000000F);
2968 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2969 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2970 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2971 	unsigned long flags;
2972 	PM8001_MSG_DBG(pm8001_ha,
2973 		pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
2974 		" phy id = %d\n", port_id, phy_id));
2975 	port->port_state =  portstate;
2976 	port->port_attached = 1;
2977 	get_lrate_mode(phy, link_rate);
2978 	phy->phy_type |= PORT_TYPE_SATA;
2979 	phy->phy_attached = 1;
2980 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
2981 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2982 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2983 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
2984 		sizeof(struct dev_to_host_fis));
2985 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
2986 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
2987 	phy->identify.device_type = SATA_DEV;
2988 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2989 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2990 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2991 }
2992 
2993 /**
2994  * hw_event_phy_down -we should notify the libsas the phy is down.
2995  * @pm8001_ha: our hba card information
2996  * @piomb: IO message buffer
2997  */
2998 static void
2999 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3000 {
3001 	struct hw_event_resp *pPayload =
3002 		(struct hw_event_resp *)(piomb + 4);
3003 	u32 lr_evt_status_phyid_portid =
3004 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3005 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3006 	u8 phy_id =
3007 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3008 	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3009 	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3010 	struct pm8001_port *port = &pm8001_ha->port[port_id];
3011 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3012 	port->port_state =  portstate;
3013 	phy->phy_type = 0;
3014 	phy->identify.device_type = 0;
3015 	phy->phy_attached = 0;
3016 	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3017 	switch (portstate) {
3018 	case PORT_VALID:
3019 		break;
3020 	case PORT_INVALID:
3021 		PM8001_MSG_DBG(pm8001_ha,
3022 			pm8001_printk(" PortInvalid portID %d\n", port_id));
3023 		PM8001_MSG_DBG(pm8001_ha,
3024 			pm8001_printk(" Last phy Down and port invalid\n"));
3025 		port->port_attached = 0;
3026 		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3027 			port_id, phy_id, 0, 0);
3028 		break;
3029 	case PORT_IN_RESET:
3030 		PM8001_MSG_DBG(pm8001_ha,
3031 			pm8001_printk(" Port In Reset portID %d\n", port_id));
3032 		break;
3033 	case PORT_NOT_ESTABLISHED:
3034 		PM8001_MSG_DBG(pm8001_ha,
3035 			pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
3036 		port->port_attached = 0;
3037 		break;
3038 	case PORT_LOSTCOMM:
3039 		PM8001_MSG_DBG(pm8001_ha,
3040 			pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
3041 		PM8001_MSG_DBG(pm8001_ha,
3042 			pm8001_printk(" Last phy Down and port invalid\n"));
3043 		port->port_attached = 0;
3044 		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3045 			port_id, phy_id, 0, 0);
3046 		break;
3047 	default:
3048 		port->port_attached = 0;
3049 		PM8001_MSG_DBG(pm8001_ha,
3050 			pm8001_printk(" phy Down and(default) = %x\n",
3051 			portstate));
3052 		break;
3053 
3054 	}
3055 }
3056 
3057 /**
3058  * mpi_reg_resp -process register device ID response.
3059  * @pm8001_ha: our hba card information
3060  * @piomb: IO message buffer
3061  *
3062  * when sas layer find a device it will notify LLDD, then the driver register
3063  * the domain device to FW, this event is the return device ID which the FW
3064  * has assigned, from now,inter-communication with FW is no longer using the
3065  * SAS address, use device ID which FW assigned.
3066  */
3067 static int mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3068 {
3069 	u32 status;
3070 	u32 device_id;
3071 	u32 htag;
3072 	struct pm8001_ccb_info *ccb;
3073 	struct pm8001_device *pm8001_dev;
3074 	struct dev_reg_resp *registerRespPayload =
3075 		(struct dev_reg_resp *)(piomb + 4);
3076 
3077 	htag = le32_to_cpu(registerRespPayload->tag);
3078 	ccb = &pm8001_ha->ccb_info[registerRespPayload->tag];
3079 	pm8001_dev = ccb->device;
3080 	status = le32_to_cpu(registerRespPayload->status);
3081 	device_id = le32_to_cpu(registerRespPayload->device_id);
3082 	PM8001_MSG_DBG(pm8001_ha,
3083 		pm8001_printk(" register device is status = %d\n", status));
3084 	switch (status) {
3085 	case DEVREG_SUCCESS:
3086 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("DEVREG_SUCCESS\n"));
3087 		pm8001_dev->device_id = device_id;
3088 		break;
3089 	case DEVREG_FAILURE_OUT_OF_RESOURCE:
3090 		PM8001_MSG_DBG(pm8001_ha,
3091 			pm8001_printk("DEVREG_FAILURE_OUT_OF_RESOURCE\n"));
3092 		break;
3093 	case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3094 		PM8001_MSG_DBG(pm8001_ha,
3095 		   pm8001_printk("DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n"));
3096 		break;
3097 	case DEVREG_FAILURE_INVALID_PHY_ID:
3098 		PM8001_MSG_DBG(pm8001_ha,
3099 			pm8001_printk("DEVREG_FAILURE_INVALID_PHY_ID\n"));
3100 		break;
3101 	case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3102 		PM8001_MSG_DBG(pm8001_ha,
3103 		   pm8001_printk("DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n"));
3104 		break;
3105 	case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3106 		PM8001_MSG_DBG(pm8001_ha,
3107 			pm8001_printk("DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n"));
3108 		break;
3109 	case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3110 		PM8001_MSG_DBG(pm8001_ha,
3111 			pm8001_printk("DEVREG_FAILURE_PORT_NOT_VALID_STATE\n"));
3112 		break;
3113 	case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3114 		PM8001_MSG_DBG(pm8001_ha,
3115 		       pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n"));
3116 		break;
3117 	default:
3118 		PM8001_MSG_DBG(pm8001_ha,
3119 		 pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_UNSORPORTED\n"));
3120 		break;
3121 	}
3122 	complete(pm8001_dev->dcompletion);
3123 	ccb->task = NULL;
3124 	ccb->ccb_tag = 0xFFFFFFFF;
3125 	pm8001_ccb_free(pm8001_ha, htag);
3126 	return 0;
3127 }
3128 
3129 static int mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3130 {
3131 	u32 status;
3132 	u32 device_id;
3133 	struct dev_reg_resp *registerRespPayload =
3134 		(struct dev_reg_resp *)(piomb + 4);
3135 
3136 	status = le32_to_cpu(registerRespPayload->status);
3137 	device_id = le32_to_cpu(registerRespPayload->device_id);
3138 	if (status != 0)
3139 		PM8001_MSG_DBG(pm8001_ha,
3140 			pm8001_printk(" deregister device failed ,status = %x"
3141 			", device_id = %x\n", status, device_id));
3142 	return 0;
3143 }
3144 
3145 static int
3146 mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3147 {
3148 	u32 status;
3149 	struct fw_control_ex	fw_control_context;
3150 	struct fw_flash_Update_resp *ppayload =
3151 		(struct fw_flash_Update_resp *)(piomb + 4);
3152 	u32 tag = le32_to_cpu(ppayload->tag);
3153 	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3154 	status = le32_to_cpu(ppayload->status);
3155 	memcpy(&fw_control_context,
3156 		ccb->fw_control_context,
3157 		sizeof(fw_control_context));
3158 	switch (status) {
3159 	case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3160 		PM8001_MSG_DBG(pm8001_ha,
3161 		pm8001_printk(": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n"));
3162 		break;
3163 	case FLASH_UPDATE_IN_PROGRESS:
3164 		PM8001_MSG_DBG(pm8001_ha,
3165 			pm8001_printk(": FLASH_UPDATE_IN_PROGRESS\n"));
3166 		break;
3167 	case FLASH_UPDATE_HDR_ERR:
3168 		PM8001_MSG_DBG(pm8001_ha,
3169 			pm8001_printk(": FLASH_UPDATE_HDR_ERR\n"));
3170 		break;
3171 	case FLASH_UPDATE_OFFSET_ERR:
3172 		PM8001_MSG_DBG(pm8001_ha,
3173 			pm8001_printk(": FLASH_UPDATE_OFFSET_ERR\n"));
3174 		break;
3175 	case FLASH_UPDATE_CRC_ERR:
3176 		PM8001_MSG_DBG(pm8001_ha,
3177 			pm8001_printk(": FLASH_UPDATE_CRC_ERR\n"));
3178 		break;
3179 	case FLASH_UPDATE_LENGTH_ERR:
3180 		PM8001_MSG_DBG(pm8001_ha,
3181 			pm8001_printk(": FLASH_UPDATE_LENGTH_ERR\n"));
3182 		break;
3183 	case FLASH_UPDATE_HW_ERR:
3184 		PM8001_MSG_DBG(pm8001_ha,
3185 			pm8001_printk(": FLASH_UPDATE_HW_ERR\n"));
3186 		break;
3187 	case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3188 		PM8001_MSG_DBG(pm8001_ha,
3189 			pm8001_printk(": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n"));
3190 		break;
3191 	case FLASH_UPDATE_DISABLED:
3192 		PM8001_MSG_DBG(pm8001_ha,
3193 			pm8001_printk(": FLASH_UPDATE_DISABLED\n"));
3194 		break;
3195 	default:
3196 		PM8001_MSG_DBG(pm8001_ha,
3197 			pm8001_printk("No matched status = %d\n", status));
3198 		break;
3199 	}
3200 	ccb->fw_control_context->fw_control->retcode = status;
3201 	pci_free_consistent(pm8001_ha->pdev,
3202 			fw_control_context.len,
3203 			fw_control_context.virtAddr,
3204 			fw_control_context.phys_addr);
3205 	complete(pm8001_ha->nvmd_completion);
3206 	ccb->task = NULL;
3207 	ccb->ccb_tag = 0xFFFFFFFF;
3208 	pm8001_ccb_free(pm8001_ha, tag);
3209 	return 0;
3210 }
3211 
3212 static int
3213 mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
3214 {
3215 	u32 status;
3216 	int i;
3217 	struct general_event_resp *pPayload =
3218 		(struct general_event_resp *)(piomb + 4);
3219 	status = le32_to_cpu(pPayload->status);
3220 	PM8001_MSG_DBG(pm8001_ha,
3221 		pm8001_printk(" status = 0x%x\n", status));
3222 	for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3223 		PM8001_MSG_DBG(pm8001_ha,
3224 			pm8001_printk("inb_IOMB_payload[0x%x] 0x%x,\n", i,
3225 			pPayload->inb_IOMB_payload[i]));
3226 	return 0;
3227 }
3228 
3229 static int
3230 mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3231 {
3232 	struct sas_task *t;
3233 	struct pm8001_ccb_info *ccb;
3234 	unsigned long flags;
3235 	u32 status ;
3236 	u32 tag, scp;
3237 	struct task_status_struct *ts;
3238 
3239 	struct task_abort_resp *pPayload =
3240 		(struct task_abort_resp *)(piomb + 4);
3241 	ccb = &pm8001_ha->ccb_info[pPayload->tag];
3242 	t = ccb->task;
3243 
3244 
3245 	status = le32_to_cpu(pPayload->status);
3246 	tag = le32_to_cpu(pPayload->tag);
3247 	scp = le32_to_cpu(pPayload->scp);
3248 	PM8001_IO_DBG(pm8001_ha,
3249 		pm8001_printk(" status = 0x%x\n", status));
3250 	if (t == NULL)
3251 		return -1;
3252 	ts = &t->task_status;
3253 	if (status != 0)
3254 		PM8001_FAIL_DBG(pm8001_ha,
3255 			pm8001_printk("task abort failed status 0x%x ,"
3256 			"tag = 0x%x, scp= 0x%x\n", status, tag, scp));
3257 	switch (status) {
3258 	case IO_SUCCESS:
3259 		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
3260 		ts->resp = SAS_TASK_COMPLETE;
3261 		ts->stat = SAM_STAT_GOOD;
3262 		break;
3263 	case IO_NOT_VALID:
3264 		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));
3265 		ts->resp = TMF_RESP_FUNC_FAILED;
3266 		break;
3267 	}
3268 	spin_lock_irqsave(&t->task_state_lock, flags);
3269 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3270 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3271 	t->task_state_flags |= SAS_TASK_STATE_DONE;
3272 	spin_unlock_irqrestore(&t->task_state_lock, flags);
3273 	pm8001_ccb_task_free(pm8001_ha, t, ccb, pPayload->tag);
3274 	mb();
3275 	t->task_done(t);
3276 	return 0;
3277 }
3278 
3279 /**
3280  * mpi_hw_event -The hw event has come.
3281  * @pm8001_ha: our hba card information
3282  * @piomb: IO message buffer
3283  */
3284 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
3285 {
3286 	unsigned long flags;
3287 	struct hw_event_resp *pPayload =
3288 		(struct hw_event_resp *)(piomb + 4);
3289 	u32 lr_evt_status_phyid_portid =
3290 		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3291 	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3292 	u8 phy_id =
3293 		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3294 	u16 eventType =
3295 		(u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3296 	u8 status =
3297 		(u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3298 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3299 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3300 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3301 	PM8001_MSG_DBG(pm8001_ha,
3302 		pm8001_printk("outbound queue HW event & event type : "));
3303 	switch (eventType) {
3304 	case HW_EVENT_PHY_START_STATUS:
3305 		PM8001_MSG_DBG(pm8001_ha,
3306 		pm8001_printk("HW_EVENT_PHY_START_STATUS"
3307 			" status = %x\n", status));
3308 		if (status == 0) {
3309 			phy->phy_state = 1;
3310 			if (pm8001_ha->flags == PM8001F_RUN_TIME)
3311 				complete(phy->enable_completion);
3312 		}
3313 		break;
3314 	case HW_EVENT_SAS_PHY_UP:
3315 		PM8001_MSG_DBG(pm8001_ha,
3316 			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3317 		hw_event_sas_phy_up(pm8001_ha, piomb);
3318 		break;
3319 	case HW_EVENT_SATA_PHY_UP:
3320 		PM8001_MSG_DBG(pm8001_ha,
3321 			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3322 		hw_event_sata_phy_up(pm8001_ha, piomb);
3323 		break;
3324 	case HW_EVENT_PHY_STOP_STATUS:
3325 		PM8001_MSG_DBG(pm8001_ha,
3326 			pm8001_printk("HW_EVENT_PHY_STOP_STATUS "
3327 			"status = %x\n", status));
3328 		if (status == 0)
3329 			phy->phy_state = 0;
3330 		break;
3331 	case HW_EVENT_SATA_SPINUP_HOLD:
3332 		PM8001_MSG_DBG(pm8001_ha,
3333 			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3334 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3335 		break;
3336 	case HW_EVENT_PHY_DOWN:
3337 		PM8001_MSG_DBG(pm8001_ha,
3338 			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3339 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3340 		phy->phy_attached = 0;
3341 		phy->phy_state = 0;
3342 		hw_event_phy_down(pm8001_ha, piomb);
3343 		break;
3344 	case HW_EVENT_PORT_INVALID:
3345 		PM8001_MSG_DBG(pm8001_ha,
3346 			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3347 		sas_phy_disconnected(sas_phy);
3348 		phy->phy_attached = 0;
3349 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3350 		break;
3351 	/* the broadcast change primitive received, tell the LIBSAS this event
3352 	to revalidate the sas domain*/
3353 	case HW_EVENT_BROADCAST_CHANGE:
3354 		PM8001_MSG_DBG(pm8001_ha,
3355 			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3356 		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3357 			port_id, phy_id, 1, 0);
3358 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3359 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3360 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3361 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3362 		break;
3363 	case HW_EVENT_PHY_ERROR:
3364 		PM8001_MSG_DBG(pm8001_ha,
3365 			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3366 		sas_phy_disconnected(&phy->sas_phy);
3367 		phy->phy_attached = 0;
3368 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3369 		break;
3370 	case HW_EVENT_BROADCAST_EXP:
3371 		PM8001_MSG_DBG(pm8001_ha,
3372 			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3373 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3374 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3375 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3376 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3377 		break;
3378 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3379 		PM8001_MSG_DBG(pm8001_ha,
3380 			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3381 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3382 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3383 		sas_phy_disconnected(sas_phy);
3384 		phy->phy_attached = 0;
3385 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3386 		break;
3387 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3388 		PM8001_MSG_DBG(pm8001_ha,
3389 			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3390 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3391 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3392 			port_id, phy_id, 0, 0);
3393 		sas_phy_disconnected(sas_phy);
3394 		phy->phy_attached = 0;
3395 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3396 		break;
3397 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3398 		PM8001_MSG_DBG(pm8001_ha,
3399 			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3400 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3401 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3402 			port_id, phy_id, 0, 0);
3403 		sas_phy_disconnected(sas_phy);
3404 		phy->phy_attached = 0;
3405 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3406 		break;
3407 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3408 		PM8001_MSG_DBG(pm8001_ha,
3409 		      pm8001_printk("HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3410 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3411 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3412 			port_id, phy_id, 0, 0);
3413 		sas_phy_disconnected(sas_phy);
3414 		phy->phy_attached = 0;
3415 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3416 		break;
3417 	case HW_EVENT_MALFUNCTION:
3418 		PM8001_MSG_DBG(pm8001_ha,
3419 			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3420 		break;
3421 	case HW_EVENT_BROADCAST_SES:
3422 		PM8001_MSG_DBG(pm8001_ha,
3423 			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3424 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3425 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3426 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3427 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3428 		break;
3429 	case HW_EVENT_INBOUND_CRC_ERROR:
3430 		PM8001_MSG_DBG(pm8001_ha,
3431 			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3432 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3433 			HW_EVENT_INBOUND_CRC_ERROR,
3434 			port_id, phy_id, 0, 0);
3435 		break;
3436 	case HW_EVENT_HARD_RESET_RECEIVED:
3437 		PM8001_MSG_DBG(pm8001_ha,
3438 			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3439 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3440 		break;
3441 	case HW_EVENT_ID_FRAME_TIMEOUT:
3442 		PM8001_MSG_DBG(pm8001_ha,
3443 			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3444 		sas_phy_disconnected(sas_phy);
3445 		phy->phy_attached = 0;
3446 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3447 		break;
3448 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3449 		PM8001_MSG_DBG(pm8001_ha,
3450 			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3451 		pm8001_hw_event_ack_req(pm8001_ha, 0,
3452 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3453 			port_id, phy_id, 0, 0);
3454 		sas_phy_disconnected(sas_phy);
3455 		phy->phy_attached = 0;
3456 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3457 		break;
3458 	case HW_EVENT_PORT_RESET_TIMER_TMO:
3459 		PM8001_MSG_DBG(pm8001_ha,
3460 			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3461 		sas_phy_disconnected(sas_phy);
3462 		phy->phy_attached = 0;
3463 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3464 		break;
3465 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3466 		PM8001_MSG_DBG(pm8001_ha,
3467 			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3468 		sas_phy_disconnected(sas_phy);
3469 		phy->phy_attached = 0;
3470 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3471 		break;
3472 	case HW_EVENT_PORT_RECOVER:
3473 		PM8001_MSG_DBG(pm8001_ha,
3474 			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3475 		break;
3476 	case HW_EVENT_PORT_RESET_COMPLETE:
3477 		PM8001_MSG_DBG(pm8001_ha,
3478 			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3479 		break;
3480 	case EVENT_BROADCAST_ASYNCH_EVENT:
3481 		PM8001_MSG_DBG(pm8001_ha,
3482 			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3483 		break;
3484 	default:
3485 		PM8001_MSG_DBG(pm8001_ha,
3486 			pm8001_printk("Unknown event type = %x\n", eventType));
3487 		break;
3488 	}
3489 	return 0;
3490 }
3491 
3492 /**
3493  * process_one_iomb - process one outbound Queue memory block
3494  * @pm8001_ha: our hba card information
3495  * @piomb: IO message buffer
3496  */
3497 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3498 {
3499 	u32 pHeader = (u32)*(u32 *)piomb;
3500 	u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3501 
3502 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));
3503 
3504 	switch (opc) {
3505 	case OPC_OUB_ECHO:
3506 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3507 		break;
3508 	case OPC_OUB_HW_EVENT:
3509 		PM8001_MSG_DBG(pm8001_ha,
3510 			pm8001_printk("OPC_OUB_HW_EVENT\n"));
3511 		mpi_hw_event(pm8001_ha, piomb);
3512 		break;
3513 	case OPC_OUB_SSP_COMP:
3514 		PM8001_MSG_DBG(pm8001_ha,
3515 			pm8001_printk("OPC_OUB_SSP_COMP\n"));
3516 		mpi_ssp_completion(pm8001_ha, piomb);
3517 		break;
3518 	case OPC_OUB_SMP_COMP:
3519 		PM8001_MSG_DBG(pm8001_ha,
3520 			pm8001_printk("OPC_OUB_SMP_COMP\n"));
3521 		mpi_smp_completion(pm8001_ha, piomb);
3522 		break;
3523 	case OPC_OUB_LOCAL_PHY_CNTRL:
3524 		PM8001_MSG_DBG(pm8001_ha,
3525 			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3526 		mpi_local_phy_ctl(pm8001_ha, piomb);
3527 		break;
3528 	case OPC_OUB_DEV_REGIST:
3529 		PM8001_MSG_DBG(pm8001_ha,
3530 			pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3531 		mpi_reg_resp(pm8001_ha, piomb);
3532 		break;
3533 	case OPC_OUB_DEREG_DEV:
3534 		PM8001_MSG_DBG(pm8001_ha,
3535 			pm8001_printk("unresgister the deviece\n"));
3536 		mpi_dereg_resp(pm8001_ha, piomb);
3537 		break;
3538 	case OPC_OUB_GET_DEV_HANDLE:
3539 		PM8001_MSG_DBG(pm8001_ha,
3540 			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3541 		break;
3542 	case OPC_OUB_SATA_COMP:
3543 		PM8001_MSG_DBG(pm8001_ha,
3544 			pm8001_printk("OPC_OUB_SATA_COMP\n"));
3545 		mpi_sata_completion(pm8001_ha, piomb);
3546 		break;
3547 	case OPC_OUB_SATA_EVENT:
3548 		PM8001_MSG_DBG(pm8001_ha,
3549 			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3550 		mpi_sata_event(pm8001_ha, piomb);
3551 		break;
3552 	case OPC_OUB_SSP_EVENT:
3553 		PM8001_MSG_DBG(pm8001_ha,
3554 			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3555 		mpi_ssp_event(pm8001_ha, piomb);
3556 		break;
3557 	case OPC_OUB_DEV_HANDLE_ARRIV:
3558 		PM8001_MSG_DBG(pm8001_ha,
3559 			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3560 		/*This is for target*/
3561 		break;
3562 	case OPC_OUB_SSP_RECV_EVENT:
3563 		PM8001_MSG_DBG(pm8001_ha,
3564 			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3565 		/*This is for target*/
3566 		break;
3567 	case OPC_OUB_DEV_INFO:
3568 		PM8001_MSG_DBG(pm8001_ha,
3569 			pm8001_printk("OPC_OUB_DEV_INFO\n"));
3570 		break;
3571 	case OPC_OUB_FW_FLASH_UPDATE:
3572 		PM8001_MSG_DBG(pm8001_ha,
3573 			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3574 		mpi_fw_flash_update_resp(pm8001_ha, piomb);
3575 		break;
3576 	case OPC_OUB_GPIO_RESPONSE:
3577 		PM8001_MSG_DBG(pm8001_ha,
3578 			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3579 		break;
3580 	case OPC_OUB_GPIO_EVENT:
3581 		PM8001_MSG_DBG(pm8001_ha,
3582 			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3583 		break;
3584 	case OPC_OUB_GENERAL_EVENT:
3585 		PM8001_MSG_DBG(pm8001_ha,
3586 			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3587 		mpi_general_event(pm8001_ha, piomb);
3588 		break;
3589 	case OPC_OUB_SSP_ABORT_RSP:
3590 		PM8001_MSG_DBG(pm8001_ha,
3591 			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3592 		mpi_task_abort_resp(pm8001_ha, piomb);
3593 		break;
3594 	case OPC_OUB_SATA_ABORT_RSP:
3595 		PM8001_MSG_DBG(pm8001_ha,
3596 			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3597 		mpi_task_abort_resp(pm8001_ha, piomb);
3598 		break;
3599 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3600 		PM8001_MSG_DBG(pm8001_ha,
3601 			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3602 		break;
3603 	case OPC_OUB_SAS_DIAG_EXECUTE:
3604 		PM8001_MSG_DBG(pm8001_ha,
3605 			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3606 		break;
3607 	case OPC_OUB_GET_TIME_STAMP:
3608 		PM8001_MSG_DBG(pm8001_ha,
3609 			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3610 		break;
3611 	case OPC_OUB_SAS_HW_EVENT_ACK:
3612 		PM8001_MSG_DBG(pm8001_ha,
3613 			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3614 		break;
3615 	case OPC_OUB_PORT_CONTROL:
3616 		PM8001_MSG_DBG(pm8001_ha,
3617 			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3618 		break;
3619 	case OPC_OUB_SMP_ABORT_RSP:
3620 		PM8001_MSG_DBG(pm8001_ha,
3621 			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3622 		mpi_task_abort_resp(pm8001_ha, piomb);
3623 		break;
3624 	case OPC_OUB_GET_NVMD_DATA:
3625 		PM8001_MSG_DBG(pm8001_ha,
3626 			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3627 		mpi_get_nvmd_resp(pm8001_ha, piomb);
3628 		break;
3629 	case OPC_OUB_SET_NVMD_DATA:
3630 		PM8001_MSG_DBG(pm8001_ha,
3631 			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3632 		mpi_set_nvmd_resp(pm8001_ha, piomb);
3633 		break;
3634 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3635 		PM8001_MSG_DBG(pm8001_ha,
3636 			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3637 		break;
3638 	case OPC_OUB_SET_DEVICE_STATE:
3639 		PM8001_MSG_DBG(pm8001_ha,
3640 			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3641 		mpi_set_dev_state_resp(pm8001_ha, piomb);
3642 		break;
3643 	case OPC_OUB_GET_DEVICE_STATE:
3644 		PM8001_MSG_DBG(pm8001_ha,
3645 			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3646 		break;
3647 	case OPC_OUB_SET_DEV_INFO:
3648 		PM8001_MSG_DBG(pm8001_ha,
3649 			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3650 		break;
3651 	case OPC_OUB_SAS_RE_INITIALIZE:
3652 		PM8001_MSG_DBG(pm8001_ha,
3653 			pm8001_printk("OPC_OUB_SAS_RE_INITIALIZE\n"));
3654 		break;
3655 	default:
3656 		PM8001_MSG_DBG(pm8001_ha,
3657 			pm8001_printk("Unknown outbound Queue IOMB OPC = %x\n",
3658 			opc));
3659 		break;
3660 	}
3661 }
3662 
3663 static int process_oq(struct pm8001_hba_info *pm8001_ha)
3664 {
3665 	struct outbound_queue_table *circularQ;
3666 	void *pMsg1 = NULL;
3667 	u8 bc = 0;
3668 	u32 ret = MPI_IO_STATUS_FAIL;
3669 
3670 	circularQ = &pm8001_ha->outbnd_q_tbl[0];
3671 	do {
3672 		ret = mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3673 		if (MPI_IO_STATUS_SUCCESS == ret) {
3674 			/* process the outbound message */
3675 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3676 			/* free the message from the outbound circular buffer */
3677 			mpi_msg_free_set(pm8001_ha, pMsg1, circularQ, bc);
3678 		}
3679 		if (MPI_IO_STATUS_BUSY == ret) {
3680 			u32 producer_idx;
3681 			/* Update the producer index from SPC */
3682 			producer_idx = pm8001_read_32(circularQ->pi_virt);
3683 			circularQ->producer_index = cpu_to_le32(producer_idx);
3684 			if (circularQ->producer_index ==
3685 				circularQ->consumer_idx)
3686 				/* OQ is empty */
3687 				break;
3688 		}
3689 	} while (1);
3690 	return ret;
3691 }
3692 
3693 /* PCI_DMA_... to our direction translation. */
3694 static const u8 data_dir_flags[] = {
3695 	[PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
3696 	[PCI_DMA_TODEVICE]	= DATA_DIR_OUT,/* OUTBOUND */
3697 	[PCI_DMA_FROMDEVICE]	= DATA_DIR_IN,/* INBOUND */
3698 	[PCI_DMA_NONE]		= DATA_DIR_NONE,/* NO TRANSFER */
3699 };
3700 static void
3701 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
3702 {
3703 	int i;
3704 	struct scatterlist *sg;
3705 	struct pm8001_prd *buf_prd = prd;
3706 
3707 	for_each_sg(scatter, sg, nr, i) {
3708 		buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
3709 		buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
3710 		buf_prd->im_len.e = 0;
3711 		buf_prd++;
3712 	}
3713 }
3714 
3715 static void build_smp_cmd(u32 deviceID, u32 hTag, struct smp_req *psmp_cmd)
3716 {
3717 	psmp_cmd->tag = cpu_to_le32(hTag);
3718 	psmp_cmd->device_id = cpu_to_le32(deviceID);
3719 	psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3720 }
3721 
3722 /**
3723  * pm8001_chip_smp_req - send a SMP task to FW
3724  * @pm8001_ha: our hba card information.
3725  * @ccb: the ccb information this request used.
3726  */
3727 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3728 	struct pm8001_ccb_info *ccb)
3729 {
3730 	int elem, rc;
3731 	struct sas_task *task = ccb->task;
3732 	struct domain_device *dev = task->dev;
3733 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3734 	struct scatterlist *sg_req, *sg_resp;
3735 	u32 req_len, resp_len;
3736 	struct smp_req smp_cmd;
3737 	u32 opc;
3738 	struct inbound_queue_table *circularQ;
3739 
3740 	memset(&smp_cmd, 0, sizeof(smp_cmd));
3741 	/*
3742 	 * DMA-map SMP request, response buffers
3743 	 */
3744 	sg_req = &task->smp_task.smp_req;
3745 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
3746 	if (!elem)
3747 		return -ENOMEM;
3748 	req_len = sg_dma_len(sg_req);
3749 
3750 	sg_resp = &task->smp_task.smp_resp;
3751 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
3752 	if (!elem) {
3753 		rc = -ENOMEM;
3754 		goto err_out;
3755 	}
3756 	resp_len = sg_dma_len(sg_resp);
3757 	/* must be in dwords */
3758 	if ((req_len & 0x3) || (resp_len & 0x3)) {
3759 		rc = -EINVAL;
3760 		goto err_out_2;
3761 	}
3762 
3763 	opc = OPC_INB_SMP_REQUEST;
3764 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3765 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3766 	smp_cmd.long_smp_req.long_req_addr =
3767 		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3768 	smp_cmd.long_smp_req.long_req_size =
3769 		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3770 	smp_cmd.long_smp_req.long_resp_addr =
3771 		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
3772 	smp_cmd.long_smp_req.long_resp_size =
3773 		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3774 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
3775 	mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd);
3776 	return 0;
3777 
3778 err_out_2:
3779 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3780 			PCI_DMA_FROMDEVICE);
3781 err_out:
3782 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3783 			PCI_DMA_TODEVICE);
3784 	return rc;
3785 }
3786 
3787 /**
3788  * pm8001_chip_ssp_io_req - send a SSP task to FW
3789  * @pm8001_ha: our hba card information.
3790  * @ccb: the ccb information this request used.
3791  */
3792 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3793 	struct pm8001_ccb_info *ccb)
3794 {
3795 	struct sas_task *task = ccb->task;
3796 	struct domain_device *dev = task->dev;
3797 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3798 	struct ssp_ini_io_start_req ssp_cmd;
3799 	u32 tag = ccb->ccb_tag;
3800 	int ret;
3801 	__le64 phys_addr;
3802 	struct inbound_queue_table *circularQ;
3803 	u32 opc = OPC_INB_SSPINIIOSTART;
3804 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3805 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3806 	ssp_cmd.dir_m_tlr =
3807 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
3808 	SAS 1.1 compatible TLR*/
3809 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3810 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
3811 	ssp_cmd.tag = cpu_to_le32(tag);
3812 	if (task->ssp_task.enable_first_burst)
3813 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
3814 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
3815 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
3816 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cdb, 16);
3817 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3818 
3819 	/* fill in PRD (scatter/gather) table, if any */
3820 	if (task->num_scatter > 1) {
3821 		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
3822 		phys_addr = cpu_to_le64(ccb->ccb_dma_handle +
3823 				offsetof(struct pm8001_ccb_info, buf_prd[0]));
3824 		ssp_cmd.addr_low = lower_32_bits(phys_addr);
3825 		ssp_cmd.addr_high = upper_32_bits(phys_addr);
3826 		ssp_cmd.esgl = cpu_to_le32(1<<31);
3827 	} else if (task->num_scatter == 1) {
3828 		__le64 dma_addr = cpu_to_le64(sg_dma_address(task->scatter));
3829 		ssp_cmd.addr_low = lower_32_bits(dma_addr);
3830 		ssp_cmd.addr_high = upper_32_bits(dma_addr);
3831 		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
3832 		ssp_cmd.esgl = 0;
3833 	} else if (task->num_scatter == 0) {
3834 		ssp_cmd.addr_low = 0;
3835 		ssp_cmd.addr_high = 0;
3836 		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
3837 		ssp_cmd.esgl = 0;
3838 	}
3839 	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd);
3840 	return ret;
3841 }
3842 
3843 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
3844 	struct pm8001_ccb_info *ccb)
3845 {
3846 	struct sas_task *task = ccb->task;
3847 	struct domain_device *dev = task->dev;
3848 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
3849 	u32 tag = ccb->ccb_tag;
3850 	int ret;
3851 	struct sata_start_req sata_cmd;
3852 	u32 hdr_tag, ncg_tag = 0;
3853 	__le64 phys_addr;
3854 	u32 ATAP = 0x0;
3855 	u32 dir;
3856 	struct inbound_queue_table *circularQ;
3857 	u32  opc = OPC_INB_SATA_HOST_OPSTART;
3858 	memset(&sata_cmd, 0, sizeof(sata_cmd));
3859 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3860 	if (task->data_dir == PCI_DMA_NONE) {
3861 		ATAP = 0x04;  /* no data*/
3862 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
3863 	} else if (likely(!task->ata_task.device_control_reg_update)) {
3864 		if (task->ata_task.dma_xfer) {
3865 			ATAP = 0x06; /* DMA */
3866 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
3867 		} else {
3868 			ATAP = 0x05; /* PIO*/
3869 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
3870 		}
3871 		if (task->ata_task.use_ncq &&
3872 			dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
3873 			ATAP = 0x07; /* FPDMA */
3874 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
3875 		}
3876 	}
3877 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag))
3878 		ncg_tag = hdr_tag;
3879 	dir = data_dir_flags[task->data_dir] << 8;
3880 	sata_cmd.tag = cpu_to_le32(tag);
3881 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
3882 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3883 	sata_cmd.ncqtag_atap_dir_m =
3884 		cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
3885 	sata_cmd.sata_fis = task->ata_task.fis;
3886 	if (likely(!task->ata_task.device_control_reg_update))
3887 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
3888 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
3889 	/* fill in PRD (scatter/gather) table, if any */
3890 	if (task->num_scatter > 1) {
3891 		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
3892 		phys_addr = cpu_to_le64(ccb->ccb_dma_handle +
3893 				offsetof(struct pm8001_ccb_info, buf_prd[0]));
3894 		sata_cmd.addr_low = lower_32_bits(phys_addr);
3895 		sata_cmd.addr_high = upper_32_bits(phys_addr);
3896 		sata_cmd.esgl = cpu_to_le32(1 << 31);
3897 	} else if (task->num_scatter == 1) {
3898 		__le64 dma_addr = cpu_to_le64(sg_dma_address(task->scatter));
3899 		sata_cmd.addr_low = lower_32_bits(dma_addr);
3900 		sata_cmd.addr_high = upper_32_bits(dma_addr);
3901 		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
3902 		sata_cmd.esgl = 0;
3903 	} else if (task->num_scatter == 0) {
3904 		sata_cmd.addr_low = 0;
3905 		sata_cmd.addr_high = 0;
3906 		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
3907 		sata_cmd.esgl = 0;
3908 	}
3909 	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd);
3910 	return ret;
3911 }
3912 
3913 /**
3914  * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
3915  * @pm8001_ha: our hba card information.
3916  * @num: the inbound queue number
3917  * @phy_id: the phy id which we wanted to start up.
3918  */
3919 static int
3920 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
3921 {
3922 	struct phy_start_req payload;
3923 	struct inbound_queue_table *circularQ;
3924 	int ret;
3925 	u32 tag = 0x01;
3926 	u32 opcode = OPC_INB_PHYSTART;
3927 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3928 	memset(&payload, 0, sizeof(payload));
3929 	payload.tag = cpu_to_le32(tag);
3930 	/*
3931 	 ** [0:7]   PHY Identifier
3932 	 ** [8:11]  link rate 1.5G, 3G, 6G
3933 	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
3934 	 ** [14]    0b disable spin up hold; 1b enable spin up hold
3935 	 */
3936 	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
3937 		LINKMODE_AUTO |	LINKRATE_15 |
3938 		LINKRATE_30 | LINKRATE_60 | phy_id);
3939 	payload.sas_identify.dev_type = SAS_END_DEV;
3940 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
3941 	memcpy(payload.sas_identify.sas_addr,
3942 		pm8001_ha->sas_addr, SAS_ADDR_SIZE);
3943 	payload.sas_identify.phy_id = phy_id;
3944 	ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
3945 	return ret;
3946 }
3947 
3948 /**
3949  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
3950  * @pm8001_ha: our hba card information.
3951  * @num: the inbound queue number
3952  * @phy_id: the phy id which we wanted to start up.
3953  */
3954 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
3955 	u8 phy_id)
3956 {
3957 	struct phy_stop_req payload;
3958 	struct inbound_queue_table *circularQ;
3959 	int ret;
3960 	u32 tag = 0x01;
3961 	u32 opcode = OPC_INB_PHYSTOP;
3962 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3963 	memset(&payload, 0, sizeof(payload));
3964 	payload.tag = cpu_to_le32(tag);
3965 	payload.phy_id = cpu_to_le32(phy_id);
3966 	ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
3967 	return ret;
3968 }
3969 
3970 /**
3971  * see comments on mpi_reg_resp.
3972  */
3973 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
3974 	struct pm8001_device *pm8001_dev, u32 flag)
3975 {
3976 	struct reg_dev_req payload;
3977 	u32	opc;
3978 	u32 stp_sspsmp_sata = 0x4;
3979 	struct inbound_queue_table *circularQ;
3980 	u32 linkrate, phy_id;
3981 	int rc, tag = 0xdeadbeef;
3982 	struct pm8001_ccb_info *ccb;
3983 	u8 retryFlag = 0x1;
3984 	u16 firstBurstSize = 0;
3985 	u16 ITNT = 2000;
3986 	struct domain_device *dev = pm8001_dev->sas_device;
3987 	struct domain_device *parent_dev = dev->parent;
3988 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3989 
3990 	memset(&payload, 0, sizeof(payload));
3991 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
3992 	if (rc)
3993 		return rc;
3994 	ccb = &pm8001_ha->ccb_info[tag];
3995 	ccb->device = pm8001_dev;
3996 	ccb->ccb_tag = tag;
3997 	payload.tag = cpu_to_le32(tag);
3998 	if (flag == 1)
3999 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4000 	else {
4001 		if (pm8001_dev->dev_type == SATA_DEV)
4002 			stp_sspsmp_sata = 0x00; /* stp*/
4003 		else if (pm8001_dev->dev_type == SAS_END_DEV ||
4004 			pm8001_dev->dev_type == EDGE_DEV ||
4005 			pm8001_dev->dev_type == FANOUT_DEV)
4006 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4007 	}
4008 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4009 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4010 	else
4011 		phy_id = pm8001_dev->attached_phy;
4012 	opc = OPC_INB_REG_DEV;
4013 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4014 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4015 	payload.phyid_portid =
4016 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0x0F) |
4017 		((phy_id & 0x0F) << 4));
4018 	payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4019 		((linkrate & 0x0F) * 0x1000000) |
4020 		((stp_sspsmp_sata & 0x03) * 0x10000000));
4021 	payload.firstburstsize_ITNexustimeout =
4022 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4023 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4024 		SAS_ADDR_SIZE);
4025 	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4026 	return rc;
4027 }
4028 
4029 /**
4030  * see comments on mpi_reg_resp.
4031  */
4032 static int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4033 	u32 device_id)
4034 {
4035 	struct dereg_dev_req payload;
4036 	u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4037 	int ret;
4038 	struct inbound_queue_table *circularQ;
4039 
4040 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4041 	memset(&payload, 0, sizeof(payload));
4042 	payload.tag = 1;
4043 	payload.device_id = cpu_to_le32(device_id);
4044 	PM8001_MSG_DBG(pm8001_ha,
4045 		pm8001_printk("unregister device device_id = %d\n", device_id));
4046 	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4047 	return ret;
4048 }
4049 
4050 /**
4051  * pm8001_chip_phy_ctl_req - support the local phy operation
4052  * @pm8001_ha: our hba card information.
4053  * @num: the inbound queue number
4054  * @phy_id: the phy id which we wanted to operate
4055  * @phy_op:
4056  */
4057 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4058 	u32 phyId, u32 phy_op)
4059 {
4060 	struct local_phy_ctl_req payload;
4061 	struct inbound_queue_table *circularQ;
4062 	int ret;
4063 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4064 	memset(&payload, 0, sizeof(payload));
4065 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4066 	payload.tag = 1;
4067 	payload.phyop_phyid =
4068 		cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4069 	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4070 	return ret;
4071 }
4072 
4073 static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4074 {
4075 	u32 value;
4076 #ifdef PM8001_USE_MSIX
4077 	return 1;
4078 #endif
4079 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4080 	if (value)
4081 		return 1;
4082 	return 0;
4083 
4084 }
4085 
4086 /**
4087  * pm8001_chip_isr - PM8001 isr handler.
4088  * @pm8001_ha: our hba card information.
4089  * @irq: irq number.
4090  * @stat: stat.
4091  */
4092 static irqreturn_t
4093 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha)
4094 {
4095 	unsigned long flags;
4096 	spin_lock_irqsave(&pm8001_ha->lock, flags);
4097 	pm8001_chip_interrupt_disable(pm8001_ha);
4098 	process_oq(pm8001_ha);
4099 	pm8001_chip_interrupt_enable(pm8001_ha);
4100 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4101 	return IRQ_HANDLED;
4102 }
4103 
4104 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4105 	u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag)
4106 {
4107 	struct task_abort_req task_abort;
4108 	struct inbound_queue_table *circularQ;
4109 	int ret;
4110 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4111 	memset(&task_abort, 0, sizeof(task_abort));
4112 	if (ABORT_SINGLE == (flag & ABORT_MASK)) {
4113 		task_abort.abort_all = 0;
4114 		task_abort.device_id = cpu_to_le32(dev_id);
4115 		task_abort.tag_to_abort = cpu_to_le32(task_tag);
4116 		task_abort.tag = cpu_to_le32(cmd_tag);
4117 	} else if (ABORT_ALL == (flag & ABORT_MASK)) {
4118 		task_abort.abort_all = cpu_to_le32(1);
4119 		task_abort.device_id = cpu_to_le32(dev_id);
4120 		task_abort.tag = cpu_to_le32(cmd_tag);
4121 	}
4122 	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort);
4123 	return ret;
4124 }
4125 
4126 /**
4127  * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4128  * @task: the task we wanted to aborted.
4129  * @flag: the abort flag.
4130  */
4131 static int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4132 	struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
4133 {
4134 	u32 opc, device_id;
4135 	int rc = TMF_RESP_FUNC_FAILED;
4136 	PM8001_EH_DBG(pm8001_ha, pm8001_printk("cmd_tag = %x, abort task tag"
4137 		" = %x", cmd_tag, task_tag));
4138 	if (pm8001_dev->dev_type == SAS_END_DEV)
4139 		opc = OPC_INB_SSP_ABORT;
4140 	else if (pm8001_dev->dev_type == SATA_DEV)
4141 		opc = OPC_INB_SATA_ABORT;
4142 	else
4143 		opc = OPC_INB_SMP_ABORT;/* SMP */
4144 	device_id = pm8001_dev->device_id;
4145 	rc = send_task_abort(pm8001_ha, opc, device_id, flag,
4146 		task_tag, cmd_tag);
4147 	if (rc != TMF_RESP_FUNC_COMPLETE)
4148 		PM8001_EH_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));
4149 	return rc;
4150 }
4151 
4152 /**
4153  * pm8001_chip_ssp_tm_req - built the task management command.
4154  * @pm8001_ha: our hba card information.
4155  * @ccb: the ccb information.
4156  * @tmf: task management function.
4157  */
4158 static int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4159 	struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
4160 {
4161 	struct sas_task *task = ccb->task;
4162 	struct domain_device *dev = task->dev;
4163 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4164 	u32 opc = OPC_INB_SSPINITMSTART;
4165 	struct inbound_queue_table *circularQ;
4166 	struct ssp_ini_tm_start_req sspTMCmd;
4167 	int ret;
4168 
4169 	memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4170 	sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4171 	sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);
4172 	sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4173 	memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4174 	sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4175 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4176 	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd);
4177 	return ret;
4178 }
4179 
4180 static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4181 	void *payload)
4182 {
4183 	u32 opc = OPC_INB_GET_NVMD_DATA;
4184 	u32 nvmd_type;
4185 	int rc;
4186 	u32 tag;
4187 	struct pm8001_ccb_info *ccb;
4188 	struct inbound_queue_table *circularQ;
4189 	struct get_nvm_data_req nvmd_req;
4190 	struct fw_control_ex *fw_control_context;
4191 	struct pm8001_ioctl_payload *ioctl_payload = payload;
4192 
4193 	nvmd_type = ioctl_payload->minor_function;
4194 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4195 	if (!fw_control_context)
4196 		return -ENOMEM;
4197 	fw_control_context->usrAddr = (u8 *)&ioctl_payload->func_specific[0];
4198 	fw_control_context->len = ioctl_payload->length;
4199 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4200 	memset(&nvmd_req, 0, sizeof(nvmd_req));
4201 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4202 	if (rc) {
4203 		kfree(fw_control_context);
4204 		return rc;
4205 	}
4206 	ccb = &pm8001_ha->ccb_info[tag];
4207 	ccb->ccb_tag = tag;
4208 	ccb->fw_control_context = fw_control_context;
4209 	nvmd_req.tag = cpu_to_le32(tag);
4210 
4211 	switch (nvmd_type) {
4212 	case TWI_DEVICE: {
4213 		u32 twi_addr, twi_page_size;
4214 		twi_addr = 0xa8;
4215 		twi_page_size = 2;
4216 
4217 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4218 			twi_page_size << 8 | TWI_DEVICE);
4219 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4220 		nvmd_req.resp_addr_hi =
4221 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4222 		nvmd_req.resp_addr_lo =
4223 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4224 		break;
4225 	}
4226 	case C_SEEPROM: {
4227 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4228 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4229 		nvmd_req.resp_addr_hi =
4230 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4231 		nvmd_req.resp_addr_lo =
4232 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4233 		break;
4234 	}
4235 	case VPD_FLASH: {
4236 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4237 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4238 		nvmd_req.resp_addr_hi =
4239 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4240 		nvmd_req.resp_addr_lo =
4241 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4242 		break;
4243 	}
4244 	case EXPAN_ROM: {
4245 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4246 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4247 		nvmd_req.resp_addr_hi =
4248 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4249 		nvmd_req.resp_addr_lo =
4250 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4251 		break;
4252 	}
4253 	default:
4254 		break;
4255 	}
4256 	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
4257 	return rc;
4258 }
4259 
4260 static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4261 	void *payload)
4262 {
4263 	u32 opc = OPC_INB_SET_NVMD_DATA;
4264 	u32 nvmd_type;
4265 	int rc;
4266 	u32 tag;
4267 	struct pm8001_ccb_info *ccb;
4268 	struct inbound_queue_table *circularQ;
4269 	struct set_nvm_data_req nvmd_req;
4270 	struct fw_control_ex *fw_control_context;
4271 	struct pm8001_ioctl_payload *ioctl_payload = payload;
4272 
4273 	nvmd_type = ioctl_payload->minor_function;
4274 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4275 	if (!fw_control_context)
4276 		return -ENOMEM;
4277 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4278 	memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4279 		ioctl_payload->func_specific,
4280 		ioctl_payload->length);
4281 	memset(&nvmd_req, 0, sizeof(nvmd_req));
4282 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4283 	if (rc) {
4284 		kfree(fw_control_context);
4285 		return rc;
4286 	}
4287 	ccb = &pm8001_ha->ccb_info[tag];
4288 	ccb->fw_control_context = fw_control_context;
4289 	ccb->ccb_tag = tag;
4290 	nvmd_req.tag = cpu_to_le32(tag);
4291 	switch (nvmd_type) {
4292 	case TWI_DEVICE: {
4293 		u32 twi_addr, twi_page_size;
4294 		twi_addr = 0xa8;
4295 		twi_page_size = 2;
4296 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4297 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4298 			twi_page_size << 8 | TWI_DEVICE);
4299 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4300 		nvmd_req.resp_addr_hi =
4301 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4302 		nvmd_req.resp_addr_lo =
4303 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4304 		break;
4305 	}
4306 	case C_SEEPROM:
4307 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4308 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4309 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4310 		nvmd_req.resp_addr_hi =
4311 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4312 		nvmd_req.resp_addr_lo =
4313 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4314 		break;
4315 	case VPD_FLASH:
4316 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4317 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4318 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4319 		nvmd_req.resp_addr_hi =
4320 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4321 		nvmd_req.resp_addr_lo =
4322 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4323 		break;
4324 	case EXPAN_ROM:
4325 		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4326 		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4327 		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4328 		nvmd_req.resp_addr_hi =
4329 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4330 		nvmd_req.resp_addr_lo =
4331 		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4332 		break;
4333 	default:
4334 		break;
4335 	}
4336 	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
4337 	return rc;
4338 }
4339 
4340 /**
4341  * pm8001_chip_fw_flash_update_build - support the firmware update operation
4342  * @pm8001_ha: our hba card information.
4343  * @fw_flash_updata_info: firmware flash update param
4344  */
4345 static int
4346 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4347 	void *fw_flash_updata_info, u32 tag)
4348 {
4349 	struct fw_flash_Update_req payload;
4350 	struct fw_flash_updata_info *info;
4351 	struct inbound_queue_table *circularQ;
4352 	int ret;
4353 	u32 opc = OPC_INB_FW_FLASH_UPDATE;
4354 
4355 	memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4356 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4357 	info = fw_flash_updata_info;
4358 	payload.tag = cpu_to_le32(tag);
4359 	payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4360 	payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4361 	payload.total_image_len = cpu_to_le32(info->total_image_len);
4362 	payload.len = info->sgl.im_len.len ;
4363 	payload.sgl_addr_lo = lower_32_bits(info->sgl.addr);
4364 	payload.sgl_addr_hi = upper_32_bits(info->sgl.addr);
4365 	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4366 	return ret;
4367 }
4368 
4369 static int
4370 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4371 	void *payload)
4372 {
4373 	struct fw_flash_updata_info flash_update_info;
4374 	struct fw_control_info *fw_control;
4375 	struct fw_control_ex *fw_control_context;
4376 	int rc;
4377 	u32 tag;
4378 	struct pm8001_ccb_info *ccb;
4379 	void *buffer = NULL;
4380 	dma_addr_t phys_addr;
4381 	u32 phys_addr_hi;
4382 	u32 phys_addr_lo;
4383 	struct pm8001_ioctl_payload *ioctl_payload = payload;
4384 
4385 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4386 	if (!fw_control_context)
4387 		return -ENOMEM;
4388 	fw_control = (struct fw_control_info *)&ioctl_payload->func_specific[0];
4389 	if (fw_control->len != 0) {
4390 		if (pm8001_mem_alloc(pm8001_ha->pdev,
4391 			(void **)&buffer,
4392 			&phys_addr,
4393 			&phys_addr_hi,
4394 			&phys_addr_lo,
4395 			fw_control->len, 0) != 0) {
4396 				PM8001_FAIL_DBG(pm8001_ha,
4397 					pm8001_printk("Mem alloc failure\n"));
4398 				kfree(fw_control_context);
4399 				return -ENOMEM;
4400 		}
4401 	}
4402 	memcpy(buffer, fw_control->buffer, fw_control->len);
4403 	flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4404 	flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4405 	flash_update_info.sgl.im_len.e = 0;
4406 	flash_update_info.cur_image_offset = fw_control->offset;
4407 	flash_update_info.cur_image_len = fw_control->len;
4408 	flash_update_info.total_image_len = fw_control->size;
4409 	fw_control_context->fw_control = fw_control;
4410 	fw_control_context->virtAddr = buffer;
4411 	fw_control_context->len = fw_control->len;
4412 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4413 	if (rc) {
4414 		kfree(fw_control_context);
4415 		return rc;
4416 	}
4417 	ccb = &pm8001_ha->ccb_info[tag];
4418 	ccb->fw_control_context = fw_control_context;
4419 	ccb->ccb_tag = tag;
4420 	rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4421 		tag);
4422 	return rc;
4423 }
4424 
4425 static int
4426 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4427 	struct pm8001_device *pm8001_dev, u32 state)
4428 {
4429 	struct set_dev_state_req payload;
4430 	struct inbound_queue_table *circularQ;
4431 	struct pm8001_ccb_info *ccb;
4432 	int rc;
4433 	u32 tag;
4434 	u32 opc = OPC_INB_SET_DEVICE_STATE;
4435 	memset(&payload, 0, sizeof(payload));
4436 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4437 	if (rc)
4438 		return -1;
4439 	ccb = &pm8001_ha->ccb_info[tag];
4440 	ccb->ccb_tag = tag;
4441 	ccb->device = pm8001_dev;
4442 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4443 	payload.tag = cpu_to_le32(tag);
4444 	payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4445 	payload.nds = cpu_to_le32(state);
4446 	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4447 	return rc;
4448 
4449 }
4450 
4451 static int
4452 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4453 {
4454 	struct sas_re_initialization_req payload;
4455 	struct inbound_queue_table *circularQ;
4456 	struct pm8001_ccb_info *ccb;
4457 	int rc;
4458 	u32 tag;
4459 	u32 opc = OPC_INB_SAS_RE_INITIALIZE;
4460 	memset(&payload, 0, sizeof(payload));
4461 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4462 	if (rc)
4463 		return -1;
4464 	ccb = &pm8001_ha->ccb_info[tag];
4465 	ccb->ccb_tag = tag;
4466 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4467 	payload.tag = cpu_to_le32(tag);
4468 	payload.SSAHOLT = cpu_to_le32(0xd << 25);
4469 	payload.sata_hol_tmo = cpu_to_le32(80);
4470 	payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
4471 	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4472 	return rc;
4473 
4474 }
4475 
4476 const struct pm8001_dispatch pm8001_8001_dispatch = {
4477 	.name			= "pmc8001",
4478 	.chip_init		= pm8001_chip_init,
4479 	.chip_soft_rst		= pm8001_chip_soft_rst,
4480 	.chip_rst		= pm8001_hw_chip_rst,
4481 	.chip_iounmap		= pm8001_chip_iounmap,
4482 	.isr			= pm8001_chip_isr,
4483 	.is_our_interupt	= pm8001_chip_is_our_interupt,
4484 	.isr_process_oq		= process_oq,
4485 	.interrupt_enable 	= pm8001_chip_interrupt_enable,
4486 	.interrupt_disable	= pm8001_chip_interrupt_disable,
4487 	.make_prd		= pm8001_chip_make_sg,
4488 	.smp_req		= pm8001_chip_smp_req,
4489 	.ssp_io_req		= pm8001_chip_ssp_io_req,
4490 	.sata_req		= pm8001_chip_sata_req,
4491 	.phy_start_req		= pm8001_chip_phy_start_req,
4492 	.phy_stop_req		= pm8001_chip_phy_stop_req,
4493 	.reg_dev_req		= pm8001_chip_reg_dev_req,
4494 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4495 	.phy_ctl_req		= pm8001_chip_phy_ctl_req,
4496 	.task_abort		= pm8001_chip_abort_task,
4497 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4498 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4499 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4500 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4501 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4502 	.sas_re_init_req	= pm8001_chip_sas_re_initialization,
4503 };
4504 
4505