xref: /openbmc/linux/drivers/scsi/pm8001/pm80xx_hwi.c (revision a9a923e5)
1 /*
2  * PMC-Sierra SPCv/ve 8088/8089 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 PMC-Sierra, Inc.,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions, and the following disclaimer,
12  * without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  * substantially similar to the "NO WARRANTY" disclaimer below
15  * ("Disclaimer") and any redistribution must be conditioned upon
16  * including a substantially similar Disclaimer requirement for further
17  * binary redistribution.
18  * 3. Neither the names of the above-listed copyright holders nor the names
19  * of any contributors may be used to endorse or promote products derived
20  * from this software without specific prior written permission.
21  *
22  * Alternatively, this software may be distributed under the terms of the
23  * GNU General Public License ("GPL") version 2 as published by the Free
24  * Software Foundation.
25  *
26  * NO WARRANTY
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGES.
38  *
39  */
40  #include <linux/slab.h>
41  #include "pm8001_sas.h"
42  #include "pm80xx_hwi.h"
43  #include "pm8001_chips.h"
44  #include "pm8001_ctl.h"
45 
46 #define SMP_DIRECT 1
47 #define SMP_INDIRECT 2
48 /**
49  * read_main_config_table - read the configure table and save it.
50  * @pm8001_ha: our hba card information
51  */
52 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
53 {
54 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
55 
56 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature	=
57 		pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
58 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
59 		pm8001_mr32(address, MAIN_INTERFACE_REVISION);
60 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev	=
61 		pm8001_mr32(address, MAIN_FW_REVISION);
62 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io	=
63 		pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
64 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl	=
65 		pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
66 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
67 		pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
68 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset	=
69 		pm8001_mr32(address, MAIN_GST_OFFSET);
70 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
71 		pm8001_mr32(address, MAIN_IBQ_OFFSET);
72 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
73 		pm8001_mr32(address, MAIN_OBQ_OFFSET);
74 
75 	/* read Error Dump Offset and Length */
76 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
77 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
78 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
79 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
80 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
81 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
82 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
83 		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
84 
85 	/* read GPIO LED settings from the configuration table */
86 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
87 		pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
88 
89 	/* read analog Setting offset from the configuration table */
90 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
91 		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
92 
93 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
94 		pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
95 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
96 		pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
97 }
98 
99 /**
100  * read_general_status_table - read the general status table and save it.
101  * @pm8001_ha: our hba card information
102  */
103 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
104 {
105 	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
106 	pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate	=
107 			pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
108 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0	=
109 			pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
110 	pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1	=
111 			pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
112 	pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt		=
113 			pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
114 	pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt		=
115 			pm8001_mr32(address, GST_IOPTCNT_OFFSET);
116 	pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val	=
117 			pm8001_mr32(address, GST_GPIO_INPUT_VAL);
118 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
119 			pm8001_mr32(address, GST_RERRINFO_OFFSET0);
120 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
121 			pm8001_mr32(address, GST_RERRINFO_OFFSET1);
122 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
123 			pm8001_mr32(address, GST_RERRINFO_OFFSET2);
124 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
125 			pm8001_mr32(address, GST_RERRINFO_OFFSET3);
126 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
127 			pm8001_mr32(address, GST_RERRINFO_OFFSET4);
128 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
129 			pm8001_mr32(address, GST_RERRINFO_OFFSET5);
130 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
131 			pm8001_mr32(address, GST_RERRINFO_OFFSET6);
132 	pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
133 			 pm8001_mr32(address, GST_RERRINFO_OFFSET7);
134 }
135 /**
136  * read_phy_attr_table - read the phy attribute table and save it.
137  * @pm8001_ha: our hba card information
138  */
139 static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
140 {
141 	void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
142 	pm8001_ha->phy_attr_table.phystart1_16[0] =
143 			pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
144 	pm8001_ha->phy_attr_table.phystart1_16[1] =
145 			pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
146 	pm8001_ha->phy_attr_table.phystart1_16[2] =
147 			pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
148 	pm8001_ha->phy_attr_table.phystart1_16[3] =
149 			pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
150 	pm8001_ha->phy_attr_table.phystart1_16[4] =
151 			pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
152 	pm8001_ha->phy_attr_table.phystart1_16[5] =
153 			pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
154 	pm8001_ha->phy_attr_table.phystart1_16[6] =
155 			pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
156 	pm8001_ha->phy_attr_table.phystart1_16[7] =
157 			pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
158 	pm8001_ha->phy_attr_table.phystart1_16[8] =
159 			pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
160 	pm8001_ha->phy_attr_table.phystart1_16[9] =
161 			pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
162 	pm8001_ha->phy_attr_table.phystart1_16[10] =
163 			pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
164 	pm8001_ha->phy_attr_table.phystart1_16[11] =
165 			pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
166 	pm8001_ha->phy_attr_table.phystart1_16[12] =
167 			pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
168 	pm8001_ha->phy_attr_table.phystart1_16[13] =
169 			pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
170 	pm8001_ha->phy_attr_table.phystart1_16[14] =
171 			pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
172 	pm8001_ha->phy_attr_table.phystart1_16[15] =
173 			pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
174 
175 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
176 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
177 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
178 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
179 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
180 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
181 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
182 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
183 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
184 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
185 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
186 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
187 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
188 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
189 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
190 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
191 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
192 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
193 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
194 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
195 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
196 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
197 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
198 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
199 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
200 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
201 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
202 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
203 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
204 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
205 	pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
206 			pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
207 
208 }
209 
210 /**
211  * read_inbnd_queue_table - read the inbound queue table and save it.
212  * @pm8001_ha: our hba card information
213  */
214 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
215 {
216 	int i;
217 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
218 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
219 		u32 offset = i * 0x20;
220 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
221 			get_pci_bar_index(pm8001_mr32(address,
222 				(offset + IB_PIPCI_BAR)));
223 		pm8001_ha->inbnd_q_tbl[i].pi_offset =
224 			pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
225 	}
226 }
227 
228 /**
229  * read_outbnd_queue_table - read the outbound queue table and save it.
230  * @pm8001_ha: our hba card information
231  */
232 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
233 {
234 	int i;
235 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
236 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
237 		u32 offset = i * 0x24;
238 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
239 			get_pci_bar_index(pm8001_mr32(address,
240 				(offset + OB_CIPCI_BAR)));
241 		pm8001_ha->outbnd_q_tbl[i].ci_offset =
242 			pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
243 	}
244 }
245 
246 /**
247  * init_default_table_values - init the default table.
248  * @pm8001_ha: our hba card information
249  */
250 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
251 {
252 	int i;
253 	u32 offsetib, offsetob;
254 	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
255 	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
256 
257 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr		=
258 		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
259 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr		=
260 		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
261 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size		=
262 							PM8001_EVENT_LOG_SIZE;
263 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity		= 0x01;
264 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr	=
265 		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
266 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr	=
267 		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
268 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size		=
269 							PM8001_EVENT_LOG_SIZE;
270 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity	= 0x01;
271 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt		= 0x01;
272 
273 	/* Disable end to end CRC checking */
274 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
275 
276 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
277 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
278 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
279 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
280 			pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
281 		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
282 		pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
283 		pm8001_ha->inbnd_q_tbl[i].base_virt		=
284 			(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
285 		pm8001_ha->inbnd_q_tbl[i].total_length		=
286 			pm8001_ha->memoryMap.region[IB + i].total_len;
287 		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
288 			pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
289 		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
290 			pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
291 		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
292 			pm8001_ha->memoryMap.region[CI + i].virt_ptr;
293 		offsetib = i * 0x20;
294 		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
295 			get_pci_bar_index(pm8001_mr32(addressib,
296 				(offsetib + 0x14)));
297 		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
298 			pm8001_mr32(addressib, (offsetib + 0x18));
299 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
300 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
301 	}
302 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
303 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
304 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
305 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
306 			pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
307 		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
308 			pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
309 		pm8001_ha->outbnd_q_tbl[i].base_virt		=
310 			(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
311 		pm8001_ha->outbnd_q_tbl[i].total_length		=
312 			pm8001_ha->memoryMap.region[OB + i].total_len;
313 		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
314 			pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
315 		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
316 			pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
317 		/* interrupt vector based on oq */
318 		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
319 		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
320 			pm8001_ha->memoryMap.region[PI + i].virt_ptr;
321 		offsetob = i * 0x24;
322 		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
323 			get_pci_bar_index(pm8001_mr32(addressob,
324 			offsetob + 0x14));
325 		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
326 			pm8001_mr32(addressob, (offsetob + 0x18));
327 		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
328 		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
329 	}
330 }
331 
332 /**
333  * update_main_config_table - update the main default table to the HBA.
334  * @pm8001_ha: our hba card information
335  */
336 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
337 {
338 	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
339 	pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
340 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
341 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
342 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
343 	pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
344 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
345 	pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
346 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
347 	pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
348 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
349 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
350 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
351 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
352 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
353 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
354 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
355 	pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
356 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
357 	pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
358 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
359 	pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
360 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
361 
362 	/* SPCv specific */
363 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
364 	/* Set GPIOLED to 0x2 for LED indicator */
365 	pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
366 	pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
367 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
368 
369 	pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
370 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
371 	pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
372 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
373 }
374 
375 /**
376  * update_inbnd_queue_table - update the inbound queue table to the HBA.
377  * @pm8001_ha: our hba card information
378  */
379 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
380 					 int number)
381 {
382 	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
383 	u16 offset = number * 0x20;
384 	pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
385 		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
386 	pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
387 		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
388 	pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
389 		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
390 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
391 		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
392 	pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
393 		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
394 }
395 
396 /**
397  * update_outbnd_queue_table - update the outbound queue table to the HBA.
398  * @pm8001_ha: our hba card information
399  */
400 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
401 						 int number)
402 {
403 	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
404 	u16 offset = number * 0x24;
405 	pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
406 		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
407 	pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
408 		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
409 	pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
410 		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
411 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
412 		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
413 	pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
414 		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
415 	pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
416 		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
417 }
418 
419 /**
420  * mpi_init_check - check firmware initialization status.
421  * @pm8001_ha: our hba card information
422  */
423 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
424 {
425 	u32 max_wait_count;
426 	u32 value;
427 	u32 gst_len_mpistate;
428 
429 	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
430 	table is updated */
431 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
432 	/* wait until Inbound DoorBell Clear Register toggled */
433 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
434 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
435 	} else {
436 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
437 	}
438 	do {
439 		udelay(1);
440 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
441 		value &= SPCv_MSGU_CFG_TABLE_UPDATE;
442 	} while ((value != 0) && (--max_wait_count));
443 
444 	if (!max_wait_count)
445 		return -1;
446 	/* check the MPI-State for initialization upto 100ms*/
447 	max_wait_count = 100 * 1000;/* 100 msec */
448 	do {
449 		udelay(1);
450 		gst_len_mpistate =
451 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
452 					GST_GSTLEN_MPIS_OFFSET);
453 	} while ((GST_MPI_STATE_INIT !=
454 		(gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
455 	if (!max_wait_count)
456 		return -1;
457 
458 	/* check MPI Initialization error */
459 	gst_len_mpistate = gst_len_mpistate >> 16;
460 	if (0x0000 != gst_len_mpistate)
461 		return -1;
462 
463 	return 0;
464 }
465 
466 /**
467  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
468  * @pm8001_ha: our hba card information
469  */
470 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
471 {
472 	u32 value;
473 	u32 max_wait_count;
474 	u32 max_wait_time;
475 	int ret = 0;
476 
477 	/* reset / PCIe ready */
478 	max_wait_time = max_wait_count = 100 * 1000;	/* 100 milli sec */
479 	do {
480 		udelay(1);
481 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
482 	} while ((value == 0xFFFFFFFF) && (--max_wait_count));
483 
484 	/* check ila status */
485 	max_wait_time = max_wait_count = 1000 * 1000;	/* 1000 milli sec */
486 	do {
487 		udelay(1);
488 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
489 	} while (((value & SCRATCH_PAD_ILA_READY) !=
490 			SCRATCH_PAD_ILA_READY) && (--max_wait_count));
491 	if (!max_wait_count)
492 		ret = -1;
493 	else {
494 		PM8001_MSG_DBG(pm8001_ha,
495 			pm8001_printk(" ila ready status in %d millisec\n",
496 				(max_wait_time - max_wait_count)));
497 	}
498 
499 	/* check RAAE status */
500 	max_wait_time = max_wait_count = 1800 * 1000;	/* 1800 milli sec */
501 	do {
502 		udelay(1);
503 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
504 	} while (((value & SCRATCH_PAD_RAAE_READY) !=
505 				SCRATCH_PAD_RAAE_READY) && (--max_wait_count));
506 	if (!max_wait_count)
507 		ret = -1;
508 	else {
509 		PM8001_MSG_DBG(pm8001_ha,
510 			pm8001_printk(" raae ready status in %d millisec\n",
511 					(max_wait_time - max_wait_count)));
512 	}
513 
514 	/* check iop0 status */
515 	max_wait_time = max_wait_count = 600 * 1000;	/* 600 milli sec */
516 	do {
517 		udelay(1);
518 		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
519 	} while (((value & SCRATCH_PAD_IOP0_READY) != SCRATCH_PAD_IOP0_READY) &&
520 			(--max_wait_count));
521 	if (!max_wait_count)
522 		ret = -1;
523 	else {
524 		PM8001_MSG_DBG(pm8001_ha,
525 			pm8001_printk(" iop0 ready status in %d millisec\n",
526 				(max_wait_time - max_wait_count)));
527 	}
528 
529 	/* check iop1 status only for 16 port controllers */
530 	if ((pm8001_ha->chip_id != chip_8008) &&
531 			(pm8001_ha->chip_id != chip_8009)) {
532 		/* 200 milli sec */
533 		max_wait_time = max_wait_count = 200 * 1000;
534 		do {
535 			udelay(1);
536 			value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
537 		} while (((value & SCRATCH_PAD_IOP1_READY) !=
538 				SCRATCH_PAD_IOP1_READY) && (--max_wait_count));
539 		if (!max_wait_count)
540 			ret = -1;
541 		else {
542 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
543 				"iop1 ready status in %d millisec\n",
544 				(max_wait_time - max_wait_count)));
545 		}
546 	}
547 
548 	return ret;
549 }
550 
551 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
552 {
553 	void __iomem *base_addr;
554 	u32	value;
555 	u32	offset;
556 	u32	pcibar;
557 	u32	pcilogic;
558 
559 	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
560 	offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
561 
562 	PM8001_INIT_DBG(pm8001_ha,
563 		pm8001_printk("Scratchpad 0 Offset: 0x%x value 0x%x\n",
564 				offset, value));
565 	pcilogic = (value & 0xFC000000) >> 26;
566 	pcibar = get_pci_bar_index(pcilogic);
567 	PM8001_INIT_DBG(pm8001_ha,
568 		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
569 	pm8001_ha->main_cfg_tbl_addr = base_addr =
570 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
571 	pm8001_ha->general_stat_tbl_addr =
572 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
573 					0xFFFFFF);
574 	pm8001_ha->inbnd_q_tbl_addr =
575 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
576 					0xFFFFFF);
577 	pm8001_ha->outbnd_q_tbl_addr =
578 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
579 					0xFFFFFF);
580 	pm8001_ha->ivt_tbl_addr =
581 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
582 					0xFFFFFF);
583 	pm8001_ha->pspa_q_tbl_addr =
584 		base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
585 					0xFFFFFF);
586 
587 	PM8001_INIT_DBG(pm8001_ha,
588 			pm8001_printk("GST OFFSET 0x%x\n",
589 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x18)));
590 	PM8001_INIT_DBG(pm8001_ha,
591 			pm8001_printk("INBND OFFSET 0x%x\n",
592 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C)));
593 	PM8001_INIT_DBG(pm8001_ha,
594 			pm8001_printk("OBND OFFSET 0x%x\n",
595 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x20)));
596 	PM8001_INIT_DBG(pm8001_ha,
597 			pm8001_printk("IVT OFFSET 0x%x\n",
598 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C)));
599 	PM8001_INIT_DBG(pm8001_ha,
600 			pm8001_printk("PSPA OFFSET 0x%x\n",
601 			pm8001_cr32(pm8001_ha, pcibar, offset + 0x90)));
602 	PM8001_INIT_DBG(pm8001_ha,
603 			pm8001_printk("addr - main cfg %p general status %p\n",
604 			pm8001_ha->main_cfg_tbl_addr,
605 			pm8001_ha->general_stat_tbl_addr));
606 	PM8001_INIT_DBG(pm8001_ha,
607 			pm8001_printk("addr - inbnd %p obnd %p\n",
608 			pm8001_ha->inbnd_q_tbl_addr,
609 			pm8001_ha->outbnd_q_tbl_addr));
610 	PM8001_INIT_DBG(pm8001_ha,
611 			pm8001_printk("addr - pspa %p ivt %p\n",
612 			pm8001_ha->pspa_q_tbl_addr,
613 			pm8001_ha->ivt_tbl_addr));
614 }
615 
616 /**
617  * pm80xx_set_thermal_config - support the thermal configuration
618  * @pm8001_ha: our hba card information.
619  */
620 int
621 pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
622 {
623 	struct set_ctrl_cfg_req payload;
624 	struct inbound_queue_table *circularQ;
625 	int rc;
626 	u32 tag;
627 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
628 
629 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
630 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
631 	if (rc)
632 		return -1;
633 
634 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
635 	payload.tag = cpu_to_le32(tag);
636 	payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
637 			(THERMAL_ENABLE << 8) | THERMAL_OP_CODE;
638 	payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
639 
640 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
641 	return rc;
642 
643 }
644 
645 /**
646 * pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
647 * Timer configuration page
648 * @pm8001_ha: our hba card information.
649 */
650 static int
651 pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
652 {
653 	struct set_ctrl_cfg_req payload;
654 	struct inbound_queue_table *circularQ;
655 	SASProtocolTimerConfig_t SASConfigPage;
656 	int rc;
657 	u32 tag;
658 	u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
659 
660 	memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
661 	memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
662 
663 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
664 
665 	if (rc)
666 		return -1;
667 
668 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
669 	payload.tag = cpu_to_le32(tag);
670 
671 	SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
672 	SASConfigPage.MST_MSI         =  3 << 15;
673 	SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
674 	SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
675 				(SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
676 	SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
677 
678 	if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
679 		SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
680 
681 
682 	SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
683 						SAS_OPNRJT_RTRY_INTVL;
684 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
685 						| SAS_COPNRJT_RTRY_TMO;
686 	SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
687 						| SAS_COPNRJT_RTRY_THR;
688 	SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
689 
690 	PM8001_INIT_DBG(pm8001_ha,
691 			pm8001_printk("SASConfigPage.pageCode "
692 			"0x%08x\n", SASConfigPage.pageCode));
693 	PM8001_INIT_DBG(pm8001_ha,
694 			pm8001_printk("SASConfigPage.MST_MSI "
695 			" 0x%08x\n", SASConfigPage.MST_MSI));
696 	PM8001_INIT_DBG(pm8001_ha,
697 			pm8001_printk("SASConfigPage.STP_SSP_MCT_TMO "
698 			" 0x%08x\n", SASConfigPage.STP_SSP_MCT_TMO));
699 	PM8001_INIT_DBG(pm8001_ha,
700 			pm8001_printk("SASConfigPage.STP_FRM_TMO "
701 			" 0x%08x\n", SASConfigPage.STP_FRM_TMO));
702 	PM8001_INIT_DBG(pm8001_ha,
703 			pm8001_printk("SASConfigPage.STP_IDLE_TMO "
704 			" 0x%08x\n", SASConfigPage.STP_IDLE_TMO));
705 	PM8001_INIT_DBG(pm8001_ha,
706 			pm8001_printk("SASConfigPage.OPNRJT_RTRY_INTVL "
707 			" 0x%08x\n", SASConfigPage.OPNRJT_RTRY_INTVL));
708 	PM8001_INIT_DBG(pm8001_ha,
709 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO "
710 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
711 	PM8001_INIT_DBG(pm8001_ha,
712 			pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR "
713 			" 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
714 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk("SASConfigPage.MAX_AIP "
715 			" 0x%08x\n", SASConfigPage.MAX_AIP));
716 
717 	memcpy(&payload.cfg_pg, &SASConfigPage,
718 			 sizeof(SASProtocolTimerConfig_t));
719 
720 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
721 
722 	return rc;
723 }
724 
725 /**
726  * pm80xx_get_encrypt_info - Check for encryption
727  * @pm8001_ha: our hba card information.
728  */
729 static int
730 pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
731 {
732 	u32 scratch3_value;
733 	int ret;
734 
735 	/* Read encryption status from SCRATCH PAD 3 */
736 	scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
737 
738 	if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
739 					SCRATCH_PAD3_ENC_READY) {
740 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
741 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
742 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
743 						SCRATCH_PAD3_SMF_ENABLED)
744 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
745 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
746 						SCRATCH_PAD3_SMA_ENABLED)
747 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
748 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
749 						SCRATCH_PAD3_SMB_ENABLED)
750 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
751 		pm8001_ha->encrypt_info.status = 0;
752 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
753 			"Encryption: SCRATCH_PAD3_ENC_READY 0x%08X."
754 			"Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
755 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
756 			pm8001_ha->encrypt_info.sec_mode,
757 			pm8001_ha->encrypt_info.status));
758 		ret = 0;
759 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
760 					SCRATCH_PAD3_ENC_DISABLED) {
761 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
762 			"Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
763 			scratch3_value));
764 		pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
765 		pm8001_ha->encrypt_info.cipher_mode = 0;
766 		pm8001_ha->encrypt_info.sec_mode = 0;
767 		return 0;
768 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
769 				SCRATCH_PAD3_ENC_DIS_ERR) {
770 		pm8001_ha->encrypt_info.status =
771 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
772 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
773 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
774 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
775 					SCRATCH_PAD3_SMF_ENABLED)
776 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
777 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
778 					SCRATCH_PAD3_SMA_ENABLED)
779 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
780 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
781 					SCRATCH_PAD3_SMB_ENABLED)
782 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
783 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
784 			"Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X."
785 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
786 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
787 			pm8001_ha->encrypt_info.sec_mode,
788 			pm8001_ha->encrypt_info.status));
789 		ret = -1;
790 	} else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
791 				 SCRATCH_PAD3_ENC_ENA_ERR) {
792 
793 		pm8001_ha->encrypt_info.status =
794 			(scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
795 		if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
796 			pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
797 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
798 					SCRATCH_PAD3_SMF_ENABLED)
799 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
800 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
801 					SCRATCH_PAD3_SMA_ENABLED)
802 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
803 		if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
804 					SCRATCH_PAD3_SMB_ENABLED)
805 			pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
806 
807 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
808 			"Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X."
809 			"Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
810 			scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
811 			pm8001_ha->encrypt_info.sec_mode,
812 			pm8001_ha->encrypt_info.status));
813 		ret = -1;
814 	}
815 	return ret;
816 }
817 
818 /**
819  * pm80xx_encrypt_update - update flash with encryption informtion
820  * @pm8001_ha: our hba card information.
821  */
822 static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
823 {
824 	struct kek_mgmt_req payload;
825 	struct inbound_queue_table *circularQ;
826 	int rc;
827 	u32 tag;
828 	u32 opc = OPC_INB_KEK_MANAGEMENT;
829 
830 	memset(&payload, 0, sizeof(struct kek_mgmt_req));
831 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
832 	if (rc)
833 		return -1;
834 
835 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
836 	payload.tag = cpu_to_le32(tag);
837 	/* Currently only one key is used. New KEK index is 1.
838 	 * Current KEK index is 1. Store KEK to NVRAM is 1.
839 	 */
840 	payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
841 					KEK_MGMT_SUBOP_KEYCARDUPDATE);
842 
843 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
844 
845 	return rc;
846 }
847 
848 /**
849  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
850  * @pm8001_ha: our hba card information
851  */
852 static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
853 {
854 	int ret;
855 	u8 i = 0;
856 
857 	/* check the firmware status */
858 	if (-1 == check_fw_ready(pm8001_ha)) {
859 		PM8001_FAIL_DBG(pm8001_ha,
860 			pm8001_printk("Firmware is not ready!\n"));
861 		return -EBUSY;
862 	}
863 
864 	/* Initialize pci space address eg: mpi offset */
865 	init_pci_device_addresses(pm8001_ha);
866 	init_default_table_values(pm8001_ha);
867 	read_main_config_table(pm8001_ha);
868 	read_general_status_table(pm8001_ha);
869 	read_inbnd_queue_table(pm8001_ha);
870 	read_outbnd_queue_table(pm8001_ha);
871 	read_phy_attr_table(pm8001_ha);
872 
873 	/* update main config table ,inbound table and outbound table */
874 	update_main_config_table(pm8001_ha);
875 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++)
876 		update_inbnd_queue_table(pm8001_ha, i);
877 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++)
878 		update_outbnd_queue_table(pm8001_ha, i);
879 
880 	/* notify firmware update finished and check initialization status */
881 	if (0 == mpi_init_check(pm8001_ha)) {
882 		PM8001_INIT_DBG(pm8001_ha,
883 			pm8001_printk("MPI initialize successful!\n"));
884 	} else
885 		return -EBUSY;
886 
887 	/* send SAS protocol timer configuration page to FW */
888 	ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
889 
890 	/* Check for encryption */
891 	if (pm8001_ha->chip->encrypt) {
892 		PM8001_INIT_DBG(pm8001_ha,
893 			pm8001_printk("Checking for encryption\n"));
894 		ret = pm80xx_get_encrypt_info(pm8001_ha);
895 		if (ret == -1) {
896 			PM8001_INIT_DBG(pm8001_ha,
897 				pm8001_printk("Encryption error !!\n"));
898 			if (pm8001_ha->encrypt_info.status == 0x81) {
899 				PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
900 					"Encryption enabled with error."
901 					"Saving encryption key to flash\n"));
902 				pm80xx_encrypt_update(pm8001_ha);
903 			}
904 		}
905 	}
906 	return 0;
907 }
908 
909 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
910 {
911 	u32 max_wait_count;
912 	u32 value;
913 	u32 gst_len_mpistate;
914 	init_pci_device_addresses(pm8001_ha);
915 	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
916 	table is stop */
917 	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
918 
919 	/* wait until Inbound DoorBell Clear Register toggled */
920 	if (IS_SPCV_12G(pm8001_ha->pdev)) {
921 		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
922 	} else {
923 		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
924 	}
925 	do {
926 		udelay(1);
927 		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
928 		value &= SPCv_MSGU_CFG_TABLE_RESET;
929 	} while ((value != 0) && (--max_wait_count));
930 
931 	if (!max_wait_count) {
932 		PM8001_FAIL_DBG(pm8001_ha,
933 			pm8001_printk("TIMEOUT:IBDB value/=%x\n", value));
934 		return -1;
935 	}
936 
937 	/* check the MPI-State for termination in progress */
938 	/* wait until Inbound DoorBell Clear Register toggled */
939 	max_wait_count = 2 * 1000 * 1000;	/* 2 sec for spcv/ve */
940 	do {
941 		udelay(1);
942 		gst_len_mpistate =
943 			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
944 			GST_GSTLEN_MPIS_OFFSET);
945 		if (GST_MPI_STATE_UNINIT ==
946 			(gst_len_mpistate & GST_MPI_STATE_MASK))
947 			break;
948 	} while (--max_wait_count);
949 	if (!max_wait_count) {
950 		PM8001_FAIL_DBG(pm8001_ha,
951 			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
952 				gst_len_mpistate & GST_MPI_STATE_MASK));
953 		return -1;
954 	}
955 
956 	return 0;
957 }
958 
959 /**
960  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
961  * the FW register status to the originated status.
962  * @pm8001_ha: our hba card information
963  */
964 
965 static int
966 pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
967 {
968 	u32 regval;
969 	u32 bootloader_state;
970 
971 	/* Check if MPI is in ready state to reset */
972 	if (mpi_uninit_check(pm8001_ha) != 0) {
973 		PM8001_FAIL_DBG(pm8001_ha,
974 			pm8001_printk("MPI state is not ready\n"));
975 		return -1;
976 	}
977 
978 	/* checked for reset register normal state; 0x0 */
979 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
980 	PM8001_INIT_DBG(pm8001_ha,
981 		pm8001_printk("reset register before write : 0x%x\n", regval));
982 
983 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
984 	mdelay(500);
985 
986 	regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
987 	PM8001_INIT_DBG(pm8001_ha,
988 	pm8001_printk("reset register after write 0x%x\n", regval));
989 
990 	if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
991 			SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
992 		PM8001_MSG_DBG(pm8001_ha,
993 			pm8001_printk(" soft reset successful [regval: 0x%x]\n",
994 					regval));
995 	} else {
996 		PM8001_MSG_DBG(pm8001_ha,
997 			pm8001_printk(" soft reset failed [regval: 0x%x]\n",
998 					regval));
999 
1000 		/* check bootloader is successfully executed or in HDA mode */
1001 		bootloader_state =
1002 			pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1003 			SCRATCH_PAD1_BOOTSTATE_MASK;
1004 
1005 		if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1006 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1007 				"Bootloader state - HDA mode SEEPROM\n"));
1008 		} else if (bootloader_state ==
1009 				SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1010 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1011 				"Bootloader state - HDA mode Bootstrap Pin\n"));
1012 		} else if (bootloader_state ==
1013 				SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1014 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1015 				"Bootloader state - HDA mode soft reset\n"));
1016 		} else if (bootloader_state ==
1017 					SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1018 			PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1019 				"Bootloader state-HDA mode critical error\n"));
1020 		}
1021 		return -EBUSY;
1022 	}
1023 
1024 	/* check the firmware status after reset */
1025 	if (-1 == check_fw_ready(pm8001_ha)) {
1026 		PM8001_FAIL_DBG(pm8001_ha,
1027 			pm8001_printk("Firmware is not ready!\n"));
1028 		return -EBUSY;
1029 	}
1030 	PM8001_INIT_DBG(pm8001_ha,
1031 		pm8001_printk("SPCv soft reset Complete\n"));
1032 	return 0;
1033 }
1034 
1035 static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1036 {
1037 	 u32 i;
1038 
1039 	PM8001_INIT_DBG(pm8001_ha,
1040 		pm8001_printk("chip reset start\n"));
1041 
1042 	/* do SPCv chip reset. */
1043 	pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1044 	PM8001_INIT_DBG(pm8001_ha,
1045 		pm8001_printk("SPC soft reset Complete\n"));
1046 
1047 	/* Check this ..whether delay is required or no */
1048 	/* delay 10 usec */
1049 	udelay(10);
1050 
1051 	/* wait for 20 msec until the firmware gets reloaded */
1052 	i = 20;
1053 	do {
1054 		mdelay(1);
1055 	} while ((--i) != 0);
1056 
1057 	PM8001_INIT_DBG(pm8001_ha,
1058 		pm8001_printk("chip reset finished\n"));
1059 }
1060 
1061 /**
1062  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1063  * @pm8001_ha: our hba card information
1064  */
1065 static void
1066 pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1067 {
1068 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1069 	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1070 }
1071 
1072 /**
1073  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1074  * @pm8001_ha: our hba card information
1075  */
1076 static void
1077 pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1078 {
1079 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1080 }
1081 
1082 /**
1083  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1084  * @pm8001_ha: our hba card information
1085  */
1086 static void
1087 pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1088 {
1089 #ifdef PM8001_USE_MSIX
1090 	u32 mask;
1091 	mask = (u32)(1 << vec);
1092 
1093 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1094 	return;
1095 #endif
1096 	pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1097 
1098 }
1099 
1100 /**
1101  * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1102  * @pm8001_ha: our hba card information
1103  */
1104 static void
1105 pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1106 {
1107 #ifdef PM8001_USE_MSIX
1108 	u32 mask;
1109 	if (vec == 0xFF)
1110 		mask = 0xFFFFFFFF;
1111 	else
1112 		mask = (u32)(1 << vec);
1113 	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1114 	return;
1115 #endif
1116 	pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1117 }
1118 
1119 static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1120 		struct pm8001_device *pm8001_ha_dev)
1121 {
1122 	int res;
1123 	u32 ccb_tag;
1124 	struct pm8001_ccb_info *ccb;
1125 	struct sas_task *task = NULL;
1126 	struct task_abort_req task_abort;
1127 	struct inbound_queue_table *circularQ;
1128 	u32 opc = OPC_INB_SATA_ABORT;
1129 	int ret;
1130 
1131 	if (!pm8001_ha_dev) {
1132 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1133 		return;
1134 	}
1135 
1136 	task = sas_alloc_slow_task(GFP_ATOMIC);
1137 
1138 	if (!task) {
1139 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1140 						"allocate task\n"));
1141 		return;
1142 	}
1143 
1144 	task->task_done = pm8001_task_done;
1145 
1146 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1147 	if (res)
1148 		return;
1149 
1150 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1151 	ccb->device = pm8001_ha_dev;
1152 	ccb->ccb_tag = ccb_tag;
1153 	ccb->task = task;
1154 
1155 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1156 
1157 	memset(&task_abort, 0, sizeof(task_abort));
1158 	task_abort.abort_all = cpu_to_le32(1);
1159 	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1160 	task_abort.tag = cpu_to_le32(ccb_tag);
1161 
1162 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
1163 
1164 }
1165 
1166 static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1167 		struct pm8001_device *pm8001_ha_dev)
1168 {
1169 	struct sata_start_req sata_cmd;
1170 	int res;
1171 	u32 ccb_tag;
1172 	struct pm8001_ccb_info *ccb;
1173 	struct sas_task *task = NULL;
1174 	struct host_to_dev_fis fis;
1175 	struct domain_device *dev;
1176 	struct inbound_queue_table *circularQ;
1177 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1178 
1179 	task = sas_alloc_slow_task(GFP_ATOMIC);
1180 
1181 	if (!task) {
1182 		PM8001_FAIL_DBG(pm8001_ha,
1183 			pm8001_printk("cannot allocate task !!!\n"));
1184 		return;
1185 	}
1186 	task->task_done = pm8001_task_done;
1187 
1188 	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1189 	if (res) {
1190 		PM8001_FAIL_DBG(pm8001_ha,
1191 			pm8001_printk("cannot allocate tag !!!\n"));
1192 		return;
1193 	}
1194 
1195 	/* allocate domain device by ourselves as libsas
1196 	 * is not going to provide any
1197 	*/
1198 	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1199 	if (!dev) {
1200 		PM8001_FAIL_DBG(pm8001_ha,
1201 			pm8001_printk("Domain device cannot be allocated\n"));
1202 		sas_free_task(task);
1203 		return;
1204 	} else {
1205 		task->dev = dev;
1206 		task->dev->lldd_dev = pm8001_ha_dev;
1207 	}
1208 
1209 	ccb = &pm8001_ha->ccb_info[ccb_tag];
1210 	ccb->device = pm8001_ha_dev;
1211 	ccb->ccb_tag = ccb_tag;
1212 	ccb->task = task;
1213 	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1214 	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1215 
1216 	memset(&sata_cmd, 0, sizeof(sata_cmd));
1217 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1218 
1219 	/* construct read log FIS */
1220 	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1221 	fis.fis_type = 0x27;
1222 	fis.flags = 0x80;
1223 	fis.command = ATA_CMD_READ_LOG_EXT;
1224 	fis.lbal = 0x10;
1225 	fis.sector_count = 0x1;
1226 
1227 	sata_cmd.tag = cpu_to_le32(ccb_tag);
1228 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1229 	sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1230 	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1231 
1232 	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
1233 
1234 }
1235 
1236 /**
1237  * mpi_ssp_completion- process the event that FW response to the SSP request.
1238  * @pm8001_ha: our hba card information
1239  * @piomb: the message contents of this outbound message.
1240  *
1241  * When FW has completed a ssp request for example a IO request, after it has
1242  * filled the SG data with the data, it will trigger this event represent
1243  * that he has finished the job,please check the coresponding buffer.
1244  * So we will tell the caller who maybe waiting the result to tell upper layer
1245  * that the task has been finished.
1246  */
1247 static void
1248 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1249 {
1250 	struct sas_task *t;
1251 	struct pm8001_ccb_info *ccb;
1252 	unsigned long flags;
1253 	u32 status;
1254 	u32 param;
1255 	u32 tag;
1256 	struct ssp_completion_resp *psspPayload;
1257 	struct task_status_struct *ts;
1258 	struct ssp_response_iu *iu;
1259 	struct pm8001_device *pm8001_dev;
1260 	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1261 	status = le32_to_cpu(psspPayload->status);
1262 	tag = le32_to_cpu(psspPayload->tag);
1263 	ccb = &pm8001_ha->ccb_info[tag];
1264 	if ((status == IO_ABORTED) && ccb->open_retry) {
1265 		/* Being completed by another */
1266 		ccb->open_retry = 0;
1267 		return;
1268 	}
1269 	pm8001_dev = ccb->device;
1270 	param = le32_to_cpu(psspPayload->param);
1271 	t = ccb->task;
1272 
1273 	if (status && status != IO_UNDERFLOW)
1274 		PM8001_FAIL_DBG(pm8001_ha,
1275 			pm8001_printk("sas IO status 0x%x\n", status));
1276 	if (unlikely(!t || !t->lldd_task || !t->dev))
1277 		return;
1278 	ts = &t->task_status;
1279 	switch (status) {
1280 	case IO_SUCCESS:
1281 		PM8001_IO_DBG(pm8001_ha,
1282 			pm8001_printk("IO_SUCCESS ,param = 0x%x\n",
1283 				param));
1284 		if (param == 0) {
1285 			ts->resp = SAS_TASK_COMPLETE;
1286 			ts->stat = SAM_STAT_GOOD;
1287 		} else {
1288 			ts->resp = SAS_TASK_COMPLETE;
1289 			ts->stat = SAS_PROTO_RESPONSE;
1290 			ts->residual = param;
1291 			iu = &psspPayload->ssp_resp_iu;
1292 			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1293 		}
1294 		if (pm8001_dev)
1295 			pm8001_dev->running_req--;
1296 		break;
1297 	case IO_ABORTED:
1298 		PM8001_IO_DBG(pm8001_ha,
1299 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1300 		ts->resp = SAS_TASK_COMPLETE;
1301 		ts->stat = SAS_ABORTED_TASK;
1302 		break;
1303 	case IO_UNDERFLOW:
1304 		/* SSP Completion with error */
1305 		PM8001_IO_DBG(pm8001_ha,
1306 			pm8001_printk("IO_UNDERFLOW ,param = 0x%x\n",
1307 				param));
1308 		ts->resp = SAS_TASK_COMPLETE;
1309 		ts->stat = SAS_DATA_UNDERRUN;
1310 		ts->residual = param;
1311 		if (pm8001_dev)
1312 			pm8001_dev->running_req--;
1313 		break;
1314 	case IO_NO_DEVICE:
1315 		PM8001_IO_DBG(pm8001_ha,
1316 			pm8001_printk("IO_NO_DEVICE\n"));
1317 		ts->resp = SAS_TASK_UNDELIVERED;
1318 		ts->stat = SAS_PHY_DOWN;
1319 		break;
1320 	case IO_XFER_ERROR_BREAK:
1321 		PM8001_IO_DBG(pm8001_ha,
1322 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1323 		ts->resp = SAS_TASK_COMPLETE;
1324 		ts->stat = SAS_OPEN_REJECT;
1325 		/* Force the midlayer to retry */
1326 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1327 		break;
1328 	case IO_XFER_ERROR_PHY_NOT_READY:
1329 		PM8001_IO_DBG(pm8001_ha,
1330 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1331 		ts->resp = SAS_TASK_COMPLETE;
1332 		ts->stat = SAS_OPEN_REJECT;
1333 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1334 		break;
1335 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1336 		PM8001_IO_DBG(pm8001_ha,
1337 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1338 		ts->resp = SAS_TASK_COMPLETE;
1339 		ts->stat = SAS_OPEN_REJECT;
1340 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1341 		break;
1342 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1343 		PM8001_IO_DBG(pm8001_ha,
1344 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1345 		ts->resp = SAS_TASK_COMPLETE;
1346 		ts->stat = SAS_OPEN_REJECT;
1347 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1348 		break;
1349 	case IO_OPEN_CNX_ERROR_BREAK:
1350 		PM8001_IO_DBG(pm8001_ha,
1351 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1352 		ts->resp = SAS_TASK_COMPLETE;
1353 		ts->stat = SAS_OPEN_REJECT;
1354 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1355 		break;
1356 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1357 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1358 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1359 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1360 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1361 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1362 		PM8001_IO_DBG(pm8001_ha,
1363 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1364 		ts->resp = SAS_TASK_COMPLETE;
1365 		ts->stat = SAS_OPEN_REJECT;
1366 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1367 		if (!t->uldd_task)
1368 			pm8001_handle_event(pm8001_ha,
1369 				pm8001_dev,
1370 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1371 		break;
1372 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1373 		PM8001_IO_DBG(pm8001_ha,
1374 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1375 		ts->resp = SAS_TASK_COMPLETE;
1376 		ts->stat = SAS_OPEN_REJECT;
1377 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1378 		break;
1379 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1380 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1381 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1382 		ts->resp = SAS_TASK_COMPLETE;
1383 		ts->stat = SAS_OPEN_REJECT;
1384 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1385 		break;
1386 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1387 		PM8001_IO_DBG(pm8001_ha,
1388 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1389 		ts->resp = SAS_TASK_UNDELIVERED;
1390 		ts->stat = SAS_OPEN_REJECT;
1391 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1392 		break;
1393 	case IO_XFER_ERROR_NAK_RECEIVED:
1394 		PM8001_IO_DBG(pm8001_ha,
1395 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1396 		ts->resp = SAS_TASK_COMPLETE;
1397 		ts->stat = SAS_OPEN_REJECT;
1398 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1399 		break;
1400 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1401 		PM8001_IO_DBG(pm8001_ha,
1402 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1403 		ts->resp = SAS_TASK_COMPLETE;
1404 		ts->stat = SAS_NAK_R_ERR;
1405 		break;
1406 	case IO_XFER_ERROR_DMA:
1407 		PM8001_IO_DBG(pm8001_ha,
1408 		pm8001_printk("IO_XFER_ERROR_DMA\n"));
1409 		ts->resp = SAS_TASK_COMPLETE;
1410 		ts->stat = SAS_OPEN_REJECT;
1411 		break;
1412 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1413 		PM8001_IO_DBG(pm8001_ha,
1414 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1415 		ts->resp = SAS_TASK_COMPLETE;
1416 		ts->stat = SAS_OPEN_REJECT;
1417 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1418 		break;
1419 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1420 		PM8001_IO_DBG(pm8001_ha,
1421 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1422 		ts->resp = SAS_TASK_COMPLETE;
1423 		ts->stat = SAS_OPEN_REJECT;
1424 		break;
1425 	case IO_PORT_IN_RESET:
1426 		PM8001_IO_DBG(pm8001_ha,
1427 			pm8001_printk("IO_PORT_IN_RESET\n"));
1428 		ts->resp = SAS_TASK_COMPLETE;
1429 		ts->stat = SAS_OPEN_REJECT;
1430 		break;
1431 	case IO_DS_NON_OPERATIONAL:
1432 		PM8001_IO_DBG(pm8001_ha,
1433 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1434 		ts->resp = SAS_TASK_COMPLETE;
1435 		ts->stat = SAS_OPEN_REJECT;
1436 		if (!t->uldd_task)
1437 			pm8001_handle_event(pm8001_ha,
1438 				pm8001_dev,
1439 				IO_DS_NON_OPERATIONAL);
1440 		break;
1441 	case IO_DS_IN_RECOVERY:
1442 		PM8001_IO_DBG(pm8001_ha,
1443 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
1444 		ts->resp = SAS_TASK_COMPLETE;
1445 		ts->stat = SAS_OPEN_REJECT;
1446 		break;
1447 	case IO_TM_TAG_NOT_FOUND:
1448 		PM8001_IO_DBG(pm8001_ha,
1449 			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1450 		ts->resp = SAS_TASK_COMPLETE;
1451 		ts->stat = SAS_OPEN_REJECT;
1452 		break;
1453 	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1454 		PM8001_IO_DBG(pm8001_ha,
1455 			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1456 		ts->resp = SAS_TASK_COMPLETE;
1457 		ts->stat = SAS_OPEN_REJECT;
1458 		break;
1459 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1460 		PM8001_IO_DBG(pm8001_ha,
1461 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1462 		ts->resp = SAS_TASK_COMPLETE;
1463 		ts->stat = SAS_OPEN_REJECT;
1464 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1465 		break;
1466 	default:
1467 		PM8001_IO_DBG(pm8001_ha,
1468 			pm8001_printk("Unknown status 0x%x\n", status));
1469 		/* not allowed case. Therefore, return failed status */
1470 		ts->resp = SAS_TASK_COMPLETE;
1471 		ts->stat = SAS_OPEN_REJECT;
1472 		break;
1473 	}
1474 	PM8001_IO_DBG(pm8001_ha,
1475 		pm8001_printk("scsi_status = 0x%x\n ",
1476 		psspPayload->ssp_resp_iu.status));
1477 	spin_lock_irqsave(&t->task_state_lock, flags);
1478 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1479 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1480 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1481 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1482 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1483 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1484 			"task 0x%p done with io_status 0x%x resp 0x%x "
1485 			"stat 0x%x but aborted by upper layer!\n",
1486 			t, status, ts->resp, ts->stat));
1487 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1488 	} else {
1489 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1490 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1491 		mb();/* in order to force CPU ordering */
1492 		t->task_done(t);
1493 	}
1494 }
1495 
1496 /*See the comments for mpi_ssp_completion */
1497 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1498 {
1499 	struct sas_task *t;
1500 	unsigned long flags;
1501 	struct task_status_struct *ts;
1502 	struct pm8001_ccb_info *ccb;
1503 	struct pm8001_device *pm8001_dev;
1504 	struct ssp_event_resp *psspPayload =
1505 		(struct ssp_event_resp *)(piomb + 4);
1506 	u32 event = le32_to_cpu(psspPayload->event);
1507 	u32 tag = le32_to_cpu(psspPayload->tag);
1508 	u32 port_id = le32_to_cpu(psspPayload->port_id);
1509 
1510 	ccb = &pm8001_ha->ccb_info[tag];
1511 	t = ccb->task;
1512 	pm8001_dev = ccb->device;
1513 	if (event)
1514 		PM8001_FAIL_DBG(pm8001_ha,
1515 			pm8001_printk("sas IO status 0x%x\n", event));
1516 	if (unlikely(!t || !t->lldd_task || !t->dev))
1517 		return;
1518 	ts = &t->task_status;
1519 	PM8001_IO_DBG(pm8001_ha,
1520 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
1521 				port_id, tag, event));
1522 	switch (event) {
1523 	case IO_OVERFLOW:
1524 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1525 		ts->resp = SAS_TASK_COMPLETE;
1526 		ts->stat = SAS_DATA_OVERRUN;
1527 		ts->residual = 0;
1528 		if (pm8001_dev)
1529 			pm8001_dev->running_req--;
1530 		break;
1531 	case IO_XFER_ERROR_BREAK:
1532 		PM8001_IO_DBG(pm8001_ha,
1533 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1534 		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1535 		return;
1536 	case IO_XFER_ERROR_PHY_NOT_READY:
1537 		PM8001_IO_DBG(pm8001_ha,
1538 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1539 		ts->resp = SAS_TASK_COMPLETE;
1540 		ts->stat = SAS_OPEN_REJECT;
1541 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1542 		break;
1543 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1544 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1545 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1546 		ts->resp = SAS_TASK_COMPLETE;
1547 		ts->stat = SAS_OPEN_REJECT;
1548 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1549 		break;
1550 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1551 		PM8001_IO_DBG(pm8001_ha,
1552 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1553 		ts->resp = SAS_TASK_COMPLETE;
1554 		ts->stat = SAS_OPEN_REJECT;
1555 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1556 		break;
1557 	case IO_OPEN_CNX_ERROR_BREAK:
1558 		PM8001_IO_DBG(pm8001_ha,
1559 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1560 		ts->resp = SAS_TASK_COMPLETE;
1561 		ts->stat = SAS_OPEN_REJECT;
1562 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1563 		break;
1564 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1565 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1566 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1567 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1568 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1569 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1570 		PM8001_IO_DBG(pm8001_ha,
1571 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1572 		ts->resp = SAS_TASK_COMPLETE;
1573 		ts->stat = SAS_OPEN_REJECT;
1574 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1575 		if (!t->uldd_task)
1576 			pm8001_handle_event(pm8001_ha,
1577 				pm8001_dev,
1578 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1579 		break;
1580 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1581 		PM8001_IO_DBG(pm8001_ha,
1582 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1583 		ts->resp = SAS_TASK_COMPLETE;
1584 		ts->stat = SAS_OPEN_REJECT;
1585 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1586 		break;
1587 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1588 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1589 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1590 		ts->resp = SAS_TASK_COMPLETE;
1591 		ts->stat = SAS_OPEN_REJECT;
1592 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1593 		break;
1594 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1595 		PM8001_IO_DBG(pm8001_ha,
1596 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1597 		ts->resp = SAS_TASK_COMPLETE;
1598 		ts->stat = SAS_OPEN_REJECT;
1599 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1600 		break;
1601 	case IO_XFER_ERROR_NAK_RECEIVED:
1602 		PM8001_IO_DBG(pm8001_ha,
1603 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1604 		ts->resp = SAS_TASK_COMPLETE;
1605 		ts->stat = SAS_OPEN_REJECT;
1606 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1607 		break;
1608 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1609 		PM8001_IO_DBG(pm8001_ha,
1610 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1611 		ts->resp = SAS_TASK_COMPLETE;
1612 		ts->stat = SAS_NAK_R_ERR;
1613 		break;
1614 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1615 		PM8001_IO_DBG(pm8001_ha,
1616 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1617 		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
1618 		return;
1619 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
1620 		PM8001_IO_DBG(pm8001_ha,
1621 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
1622 		ts->resp = SAS_TASK_COMPLETE;
1623 		ts->stat = SAS_DATA_OVERRUN;
1624 		break;
1625 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
1626 		PM8001_IO_DBG(pm8001_ha,
1627 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
1628 		ts->resp = SAS_TASK_COMPLETE;
1629 		ts->stat = SAS_DATA_OVERRUN;
1630 		break;
1631 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
1632 		PM8001_IO_DBG(pm8001_ha,
1633 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
1634 		ts->resp = SAS_TASK_COMPLETE;
1635 		ts->stat = SAS_DATA_OVERRUN;
1636 		break;
1637 	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
1638 		PM8001_IO_DBG(pm8001_ha,
1639 		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
1640 		ts->resp = SAS_TASK_COMPLETE;
1641 		ts->stat = SAS_DATA_OVERRUN;
1642 		break;
1643 	case IO_XFER_ERROR_OFFSET_MISMATCH:
1644 		PM8001_IO_DBG(pm8001_ha,
1645 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1646 		ts->resp = SAS_TASK_COMPLETE;
1647 		ts->stat = SAS_DATA_OVERRUN;
1648 		break;
1649 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
1650 		PM8001_IO_DBG(pm8001_ha,
1651 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
1652 		ts->resp = SAS_TASK_COMPLETE;
1653 		ts->stat = SAS_DATA_OVERRUN;
1654 		break;
1655 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
1656 		PM8001_IO_DBG(pm8001_ha,
1657 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
1658 		/* TBC: used default set values */
1659 		ts->resp = SAS_TASK_COMPLETE;
1660 		ts->stat = SAS_DATA_OVERRUN;
1661 		break;
1662 	case IO_XFER_CMD_FRAME_ISSUED:
1663 		PM8001_IO_DBG(pm8001_ha,
1664 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
1665 		return;
1666 	default:
1667 		PM8001_IO_DBG(pm8001_ha,
1668 			pm8001_printk("Unknown status 0x%x\n", event));
1669 		/* not allowed case. Therefore, return failed status */
1670 		ts->resp = SAS_TASK_COMPLETE;
1671 		ts->stat = SAS_DATA_OVERRUN;
1672 		break;
1673 	}
1674 	spin_lock_irqsave(&t->task_state_lock, flags);
1675 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1676 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1677 	t->task_state_flags |= SAS_TASK_STATE_DONE;
1678 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1679 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1680 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1681 			"task 0x%p done with event 0x%x resp 0x%x "
1682 			"stat 0x%x but aborted by upper layer!\n",
1683 			t, event, ts->resp, ts->stat));
1684 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1685 	} else {
1686 		spin_unlock_irqrestore(&t->task_state_lock, flags);
1687 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1688 		mb();/* in order to force CPU ordering */
1689 		t->task_done(t);
1690 	}
1691 }
1692 
1693 /*See the comments for mpi_ssp_completion */
1694 static void
1695 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1696 {
1697 	struct sas_task *t;
1698 	struct pm8001_ccb_info *ccb;
1699 	u32 param;
1700 	u32 status;
1701 	u32 tag;
1702 	struct sata_completion_resp *psataPayload;
1703 	struct task_status_struct *ts;
1704 	struct ata_task_resp *resp ;
1705 	u32 *sata_resp;
1706 	struct pm8001_device *pm8001_dev;
1707 	unsigned long flags;
1708 
1709 	psataPayload = (struct sata_completion_resp *)(piomb + 4);
1710 	status = le32_to_cpu(psataPayload->status);
1711 	tag = le32_to_cpu(psataPayload->tag);
1712 
1713 	if (!tag) {
1714 		PM8001_FAIL_DBG(pm8001_ha,
1715 			pm8001_printk("tag null\n"));
1716 		return;
1717 	}
1718 	ccb = &pm8001_ha->ccb_info[tag];
1719 	param = le32_to_cpu(psataPayload->param);
1720 	if (ccb) {
1721 		t = ccb->task;
1722 		pm8001_dev = ccb->device;
1723 	} else {
1724 		PM8001_FAIL_DBG(pm8001_ha,
1725 			pm8001_printk("ccb null\n"));
1726 		return;
1727 	}
1728 
1729 	if (t) {
1730 		if (t->dev && (t->dev->lldd_dev))
1731 			pm8001_dev = t->dev->lldd_dev;
1732 	} else {
1733 		PM8001_FAIL_DBG(pm8001_ha,
1734 			pm8001_printk("task null\n"));
1735 		return;
1736 	}
1737 
1738 	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
1739 		&& unlikely(!t || !t->lldd_task || !t->dev)) {
1740 		PM8001_FAIL_DBG(pm8001_ha,
1741 			pm8001_printk("task or dev null\n"));
1742 		return;
1743 	}
1744 
1745 	ts = &t->task_status;
1746 	if (!ts) {
1747 		PM8001_FAIL_DBG(pm8001_ha,
1748 			pm8001_printk("ts null\n"));
1749 		return;
1750 	}
1751 
1752 	switch (status) {
1753 	case IO_SUCCESS:
1754 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
1755 		if (param == 0) {
1756 			ts->resp = SAS_TASK_COMPLETE;
1757 			ts->stat = SAM_STAT_GOOD;
1758 			/* check if response is for SEND READ LOG */
1759 			if (pm8001_dev &&
1760 				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
1761 				/* set new bit for abort_all */
1762 				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
1763 				/* clear bit for read log */
1764 				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
1765 				pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
1766 				/* Free the tag */
1767 				pm8001_tag_free(pm8001_ha, tag);
1768 				sas_free_task(t);
1769 				return;
1770 			}
1771 		} else {
1772 			u8 len;
1773 			ts->resp = SAS_TASK_COMPLETE;
1774 			ts->stat = SAS_PROTO_RESPONSE;
1775 			ts->residual = param;
1776 			PM8001_IO_DBG(pm8001_ha,
1777 				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
1778 				param));
1779 			sata_resp = &psataPayload->sata_resp[0];
1780 			resp = (struct ata_task_resp *)ts->buf;
1781 			if (t->ata_task.dma_xfer == 0 &&
1782 			t->data_dir == PCI_DMA_FROMDEVICE) {
1783 				len = sizeof(struct pio_setup_fis);
1784 				PM8001_IO_DBG(pm8001_ha,
1785 				pm8001_printk("PIO read len = %d\n", len));
1786 			} else if (t->ata_task.use_ncq) {
1787 				len = sizeof(struct set_dev_bits_fis);
1788 				PM8001_IO_DBG(pm8001_ha,
1789 					pm8001_printk("FPDMA len = %d\n", len));
1790 			} else {
1791 				len = sizeof(struct dev_to_host_fis);
1792 				PM8001_IO_DBG(pm8001_ha,
1793 				pm8001_printk("other len = %d\n", len));
1794 			}
1795 			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
1796 				resp->frame_len = len;
1797 				memcpy(&resp->ending_fis[0], sata_resp, len);
1798 				ts->buf_valid_size = sizeof(*resp);
1799 			} else
1800 				PM8001_IO_DBG(pm8001_ha,
1801 					pm8001_printk("response to large\n"));
1802 		}
1803 		if (pm8001_dev)
1804 			pm8001_dev->running_req--;
1805 		break;
1806 	case IO_ABORTED:
1807 		PM8001_IO_DBG(pm8001_ha,
1808 			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1809 		ts->resp = SAS_TASK_COMPLETE;
1810 		ts->stat = SAS_ABORTED_TASK;
1811 		if (pm8001_dev)
1812 			pm8001_dev->running_req--;
1813 		break;
1814 		/* following cases are to do cases */
1815 	case IO_UNDERFLOW:
1816 		/* SATA Completion with error */
1817 		PM8001_IO_DBG(pm8001_ha,
1818 			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
1819 		ts->resp = SAS_TASK_COMPLETE;
1820 		ts->stat = SAS_DATA_UNDERRUN;
1821 		ts->residual = param;
1822 		if (pm8001_dev)
1823 			pm8001_dev->running_req--;
1824 		break;
1825 	case IO_NO_DEVICE:
1826 		PM8001_IO_DBG(pm8001_ha,
1827 			pm8001_printk("IO_NO_DEVICE\n"));
1828 		ts->resp = SAS_TASK_UNDELIVERED;
1829 		ts->stat = SAS_PHY_DOWN;
1830 		break;
1831 	case IO_XFER_ERROR_BREAK:
1832 		PM8001_IO_DBG(pm8001_ha,
1833 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1834 		ts->resp = SAS_TASK_COMPLETE;
1835 		ts->stat = SAS_INTERRUPTED;
1836 		break;
1837 	case IO_XFER_ERROR_PHY_NOT_READY:
1838 		PM8001_IO_DBG(pm8001_ha,
1839 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1840 		ts->resp = SAS_TASK_COMPLETE;
1841 		ts->stat = SAS_OPEN_REJECT;
1842 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1843 		break;
1844 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1845 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1846 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1847 		ts->resp = SAS_TASK_COMPLETE;
1848 		ts->stat = SAS_OPEN_REJECT;
1849 		ts->open_rej_reason = SAS_OREJ_EPROTO;
1850 		break;
1851 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1852 		PM8001_IO_DBG(pm8001_ha,
1853 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1854 		ts->resp = SAS_TASK_COMPLETE;
1855 		ts->stat = SAS_OPEN_REJECT;
1856 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1857 		break;
1858 	case IO_OPEN_CNX_ERROR_BREAK:
1859 		PM8001_IO_DBG(pm8001_ha,
1860 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1861 		ts->resp = SAS_TASK_COMPLETE;
1862 		ts->stat = SAS_OPEN_REJECT;
1863 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
1864 		break;
1865 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1866 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1867 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1868 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1869 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1870 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1871 		PM8001_IO_DBG(pm8001_ha,
1872 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1873 		ts->resp = SAS_TASK_COMPLETE;
1874 		ts->stat = SAS_DEV_NO_RESPONSE;
1875 		if (!t->uldd_task) {
1876 			pm8001_handle_event(pm8001_ha,
1877 				pm8001_dev,
1878 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1879 			ts->resp = SAS_TASK_UNDELIVERED;
1880 			ts->stat = SAS_QUEUE_FULL;
1881 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1882 			mb();/*in order to force CPU ordering*/
1883 			spin_unlock_irq(&pm8001_ha->lock);
1884 			t->task_done(t);
1885 			spin_lock_irq(&pm8001_ha->lock);
1886 			return;
1887 		}
1888 		break;
1889 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1890 		PM8001_IO_DBG(pm8001_ha,
1891 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1892 		ts->resp = SAS_TASK_UNDELIVERED;
1893 		ts->stat = SAS_OPEN_REJECT;
1894 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1895 		if (!t->uldd_task) {
1896 			pm8001_handle_event(pm8001_ha,
1897 				pm8001_dev,
1898 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1899 			ts->resp = SAS_TASK_UNDELIVERED;
1900 			ts->stat = SAS_QUEUE_FULL;
1901 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1902 			mb();/*ditto*/
1903 			spin_unlock_irq(&pm8001_ha->lock);
1904 			t->task_done(t);
1905 			spin_lock_irq(&pm8001_ha->lock);
1906 			return;
1907 		}
1908 		break;
1909 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1910 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1911 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1912 		ts->resp = SAS_TASK_COMPLETE;
1913 		ts->stat = SAS_OPEN_REJECT;
1914 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1915 		break;
1916 	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1917 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1918 			"IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n"));
1919 		ts->resp = SAS_TASK_COMPLETE;
1920 		ts->stat = SAS_DEV_NO_RESPONSE;
1921 		if (!t->uldd_task) {
1922 			pm8001_handle_event(pm8001_ha,
1923 				pm8001_dev,
1924 				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
1925 			ts->resp = SAS_TASK_UNDELIVERED;
1926 			ts->stat = SAS_QUEUE_FULL;
1927 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1928 			mb();/* ditto*/
1929 			spin_unlock_irq(&pm8001_ha->lock);
1930 			t->task_done(t);
1931 			spin_lock_irq(&pm8001_ha->lock);
1932 			return;
1933 		}
1934 		break;
1935 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1936 		PM8001_IO_DBG(pm8001_ha,
1937 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1938 		ts->resp = SAS_TASK_COMPLETE;
1939 		ts->stat = SAS_OPEN_REJECT;
1940 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1941 		break;
1942 	case IO_XFER_ERROR_NAK_RECEIVED:
1943 		PM8001_IO_DBG(pm8001_ha,
1944 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1945 		ts->resp = SAS_TASK_COMPLETE;
1946 		ts->stat = SAS_NAK_R_ERR;
1947 		break;
1948 	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1949 		PM8001_IO_DBG(pm8001_ha,
1950 			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1951 		ts->resp = SAS_TASK_COMPLETE;
1952 		ts->stat = SAS_NAK_R_ERR;
1953 		break;
1954 	case IO_XFER_ERROR_DMA:
1955 		PM8001_IO_DBG(pm8001_ha,
1956 			pm8001_printk("IO_XFER_ERROR_DMA\n"));
1957 		ts->resp = SAS_TASK_COMPLETE;
1958 		ts->stat = SAS_ABORTED_TASK;
1959 		break;
1960 	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
1961 		PM8001_IO_DBG(pm8001_ha,
1962 			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
1963 		ts->resp = SAS_TASK_UNDELIVERED;
1964 		ts->stat = SAS_DEV_NO_RESPONSE;
1965 		break;
1966 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
1967 		PM8001_IO_DBG(pm8001_ha,
1968 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
1969 		ts->resp = SAS_TASK_COMPLETE;
1970 		ts->stat = SAS_DATA_UNDERRUN;
1971 		break;
1972 	case IO_XFER_OPEN_RETRY_TIMEOUT:
1973 		PM8001_IO_DBG(pm8001_ha,
1974 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1975 		ts->resp = SAS_TASK_COMPLETE;
1976 		ts->stat = SAS_OPEN_TO;
1977 		break;
1978 	case IO_PORT_IN_RESET:
1979 		PM8001_IO_DBG(pm8001_ha,
1980 			pm8001_printk("IO_PORT_IN_RESET\n"));
1981 		ts->resp = SAS_TASK_COMPLETE;
1982 		ts->stat = SAS_DEV_NO_RESPONSE;
1983 		break;
1984 	case IO_DS_NON_OPERATIONAL:
1985 		PM8001_IO_DBG(pm8001_ha,
1986 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1987 		ts->resp = SAS_TASK_COMPLETE;
1988 		ts->stat = SAS_DEV_NO_RESPONSE;
1989 		if (!t->uldd_task) {
1990 			pm8001_handle_event(pm8001_ha, pm8001_dev,
1991 					IO_DS_NON_OPERATIONAL);
1992 			ts->resp = SAS_TASK_UNDELIVERED;
1993 			ts->stat = SAS_QUEUE_FULL;
1994 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1995 			mb();/*ditto*/
1996 			spin_unlock_irq(&pm8001_ha->lock);
1997 			t->task_done(t);
1998 			spin_lock_irq(&pm8001_ha->lock);
1999 			return;
2000 		}
2001 		break;
2002 	case IO_DS_IN_RECOVERY:
2003 		PM8001_IO_DBG(pm8001_ha,
2004 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2005 		ts->resp = SAS_TASK_COMPLETE;
2006 		ts->stat = SAS_DEV_NO_RESPONSE;
2007 		break;
2008 	case IO_DS_IN_ERROR:
2009 		PM8001_IO_DBG(pm8001_ha,
2010 			pm8001_printk("IO_DS_IN_ERROR\n"));
2011 		ts->resp = SAS_TASK_COMPLETE;
2012 		ts->stat = SAS_DEV_NO_RESPONSE;
2013 		if (!t->uldd_task) {
2014 			pm8001_handle_event(pm8001_ha, pm8001_dev,
2015 					IO_DS_IN_ERROR);
2016 			ts->resp = SAS_TASK_UNDELIVERED;
2017 			ts->stat = SAS_QUEUE_FULL;
2018 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2019 			mb();/*ditto*/
2020 			spin_unlock_irq(&pm8001_ha->lock);
2021 			t->task_done(t);
2022 			spin_lock_irq(&pm8001_ha->lock);
2023 			return;
2024 		}
2025 		break;
2026 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2027 		PM8001_IO_DBG(pm8001_ha,
2028 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2029 		ts->resp = SAS_TASK_COMPLETE;
2030 		ts->stat = SAS_OPEN_REJECT;
2031 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2032 	default:
2033 		PM8001_IO_DBG(pm8001_ha,
2034 			pm8001_printk("Unknown status 0x%x\n", status));
2035 		/* not allowed case. Therefore, return failed status */
2036 		ts->resp = SAS_TASK_COMPLETE;
2037 		ts->stat = SAS_DEV_NO_RESPONSE;
2038 		break;
2039 	}
2040 	spin_lock_irqsave(&t->task_state_lock, flags);
2041 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2042 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2043 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2044 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2045 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2046 		PM8001_FAIL_DBG(pm8001_ha,
2047 			pm8001_printk("task 0x%p done with io_status 0x%x"
2048 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2049 			t, status, ts->resp, ts->stat));
2050 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2051 	} else if (t->uldd_task) {
2052 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2053 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2054 		mb();/* ditto */
2055 		spin_unlock_irq(&pm8001_ha->lock);
2056 		t->task_done(t);
2057 		spin_lock_irq(&pm8001_ha->lock);
2058 	} else if (!t->uldd_task) {
2059 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2060 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2061 		mb();/*ditto*/
2062 		spin_unlock_irq(&pm8001_ha->lock);
2063 		t->task_done(t);
2064 		spin_lock_irq(&pm8001_ha->lock);
2065 	}
2066 }
2067 
2068 /*See the comments for mpi_ssp_completion */
2069 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2070 {
2071 	struct sas_task *t;
2072 	struct task_status_struct *ts;
2073 	struct pm8001_ccb_info *ccb;
2074 	struct pm8001_device *pm8001_dev;
2075 	struct sata_event_resp *psataPayload =
2076 		(struct sata_event_resp *)(piomb + 4);
2077 	u32 event = le32_to_cpu(psataPayload->event);
2078 	u32 tag = le32_to_cpu(psataPayload->tag);
2079 	u32 port_id = le32_to_cpu(psataPayload->port_id);
2080 	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2081 	unsigned long flags;
2082 
2083 	ccb = &pm8001_ha->ccb_info[tag];
2084 
2085 	if (ccb) {
2086 		t = ccb->task;
2087 		pm8001_dev = ccb->device;
2088 	} else {
2089 		PM8001_FAIL_DBG(pm8001_ha,
2090 			pm8001_printk("No CCB !!!. returning\n"));
2091 		return;
2092 	}
2093 	if (event)
2094 		PM8001_FAIL_DBG(pm8001_ha,
2095 			pm8001_printk("SATA EVENT 0x%x\n", event));
2096 
2097 	/* Check if this is NCQ error */
2098 	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2099 		/* find device using device id */
2100 		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2101 		/* send read log extension */
2102 		if (pm8001_dev)
2103 			pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2104 		return;
2105 	}
2106 
2107 	if (unlikely(!t || !t->lldd_task || !t->dev)) {
2108 		PM8001_FAIL_DBG(pm8001_ha,
2109 			pm8001_printk("task or dev null\n"));
2110 		return;
2111 	}
2112 
2113 	ts = &t->task_status;
2114 	PM8001_IO_DBG(pm8001_ha,
2115 		pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
2116 				port_id, tag, event));
2117 	switch (event) {
2118 	case IO_OVERFLOW:
2119 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2120 		ts->resp = SAS_TASK_COMPLETE;
2121 		ts->stat = SAS_DATA_OVERRUN;
2122 		ts->residual = 0;
2123 		if (pm8001_dev)
2124 			pm8001_dev->running_req--;
2125 		break;
2126 	case IO_XFER_ERROR_BREAK:
2127 		PM8001_IO_DBG(pm8001_ha,
2128 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2129 		ts->resp = SAS_TASK_COMPLETE;
2130 		ts->stat = SAS_INTERRUPTED;
2131 		break;
2132 	case IO_XFER_ERROR_PHY_NOT_READY:
2133 		PM8001_IO_DBG(pm8001_ha,
2134 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2135 		ts->resp = SAS_TASK_COMPLETE;
2136 		ts->stat = SAS_OPEN_REJECT;
2137 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2138 		break;
2139 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2140 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2141 			"IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2142 		ts->resp = SAS_TASK_COMPLETE;
2143 		ts->stat = SAS_OPEN_REJECT;
2144 		ts->open_rej_reason = SAS_OREJ_EPROTO;
2145 		break;
2146 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2147 		PM8001_IO_DBG(pm8001_ha,
2148 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2149 		ts->resp = SAS_TASK_COMPLETE;
2150 		ts->stat = SAS_OPEN_REJECT;
2151 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2152 		break;
2153 	case IO_OPEN_CNX_ERROR_BREAK:
2154 		PM8001_IO_DBG(pm8001_ha,
2155 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2156 		ts->resp = SAS_TASK_COMPLETE;
2157 		ts->stat = SAS_OPEN_REJECT;
2158 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2159 		break;
2160 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2161 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2162 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2163 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2164 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2165 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2166 		PM8001_FAIL_DBG(pm8001_ha,
2167 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2168 		ts->resp = SAS_TASK_UNDELIVERED;
2169 		ts->stat = SAS_DEV_NO_RESPONSE;
2170 		if (!t->uldd_task) {
2171 			pm8001_handle_event(pm8001_ha,
2172 				pm8001_dev,
2173 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2174 			ts->resp = SAS_TASK_COMPLETE;
2175 			ts->stat = SAS_QUEUE_FULL;
2176 			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2177 			mb();/*ditto*/
2178 			spin_unlock_irq(&pm8001_ha->lock);
2179 			t->task_done(t);
2180 			spin_lock_irq(&pm8001_ha->lock);
2181 			return;
2182 		}
2183 		break;
2184 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2185 		PM8001_IO_DBG(pm8001_ha,
2186 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2187 		ts->resp = SAS_TASK_UNDELIVERED;
2188 		ts->stat = SAS_OPEN_REJECT;
2189 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2190 		break;
2191 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2192 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2193 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2194 		ts->resp = SAS_TASK_COMPLETE;
2195 		ts->stat = SAS_OPEN_REJECT;
2196 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2197 		break;
2198 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2199 		PM8001_IO_DBG(pm8001_ha,
2200 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2201 		ts->resp = SAS_TASK_COMPLETE;
2202 		ts->stat = SAS_OPEN_REJECT;
2203 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2204 		break;
2205 	case IO_XFER_ERROR_NAK_RECEIVED:
2206 		PM8001_IO_DBG(pm8001_ha,
2207 			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2208 		ts->resp = SAS_TASK_COMPLETE;
2209 		ts->stat = SAS_NAK_R_ERR;
2210 		break;
2211 	case IO_XFER_ERROR_PEER_ABORTED:
2212 		PM8001_IO_DBG(pm8001_ha,
2213 			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2214 		ts->resp = SAS_TASK_COMPLETE;
2215 		ts->stat = SAS_NAK_R_ERR;
2216 		break;
2217 	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2218 		PM8001_IO_DBG(pm8001_ha,
2219 			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2220 		ts->resp = SAS_TASK_COMPLETE;
2221 		ts->stat = SAS_DATA_UNDERRUN;
2222 		break;
2223 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2224 		PM8001_IO_DBG(pm8001_ha,
2225 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2226 		ts->resp = SAS_TASK_COMPLETE;
2227 		ts->stat = SAS_OPEN_TO;
2228 		break;
2229 	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2230 		PM8001_IO_DBG(pm8001_ha,
2231 			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2232 		ts->resp = SAS_TASK_COMPLETE;
2233 		ts->stat = SAS_OPEN_TO;
2234 		break;
2235 	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2236 		PM8001_IO_DBG(pm8001_ha,
2237 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2238 		ts->resp = SAS_TASK_COMPLETE;
2239 		ts->stat = SAS_OPEN_TO;
2240 		break;
2241 	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2242 		PM8001_IO_DBG(pm8001_ha,
2243 			pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2244 		ts->resp = SAS_TASK_COMPLETE;
2245 		ts->stat = SAS_OPEN_TO;
2246 		break;
2247 	case IO_XFER_ERROR_OFFSET_MISMATCH:
2248 		PM8001_IO_DBG(pm8001_ha,
2249 			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2250 		ts->resp = SAS_TASK_COMPLETE;
2251 		ts->stat = SAS_OPEN_TO;
2252 		break;
2253 	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2254 		PM8001_IO_DBG(pm8001_ha,
2255 			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2256 		ts->resp = SAS_TASK_COMPLETE;
2257 		ts->stat = SAS_OPEN_TO;
2258 		break;
2259 	case IO_XFER_CMD_FRAME_ISSUED:
2260 		PM8001_IO_DBG(pm8001_ha,
2261 			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2262 		break;
2263 	case IO_XFER_PIO_SETUP_ERROR:
2264 		PM8001_IO_DBG(pm8001_ha,
2265 			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2266 		ts->resp = SAS_TASK_COMPLETE;
2267 		ts->stat = SAS_OPEN_TO;
2268 		break;
2269 	case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2270 		PM8001_FAIL_DBG(pm8001_ha,
2271 			pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
2272 		/* TBC: used default set values */
2273 		ts->resp = SAS_TASK_COMPLETE;
2274 		ts->stat = SAS_OPEN_TO;
2275 		break;
2276 	case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2277 		PM8001_FAIL_DBG(pm8001_ha,
2278 			pm8001_printk("IO_XFR_DMA_ACTIVATE_TIMEOUT\n"));
2279 		/* TBC: used default set values */
2280 		ts->resp = SAS_TASK_COMPLETE;
2281 		ts->stat = SAS_OPEN_TO;
2282 		break;
2283 	default:
2284 		PM8001_IO_DBG(pm8001_ha,
2285 			pm8001_printk("Unknown status 0x%x\n", event));
2286 		/* not allowed case. Therefore, return failed status */
2287 		ts->resp = SAS_TASK_COMPLETE;
2288 		ts->stat = SAS_OPEN_TO;
2289 		break;
2290 	}
2291 	spin_lock_irqsave(&t->task_state_lock, flags);
2292 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2293 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2294 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2295 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2296 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2297 		PM8001_FAIL_DBG(pm8001_ha,
2298 			pm8001_printk("task 0x%p done with io_status 0x%x"
2299 			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2300 			t, event, ts->resp, ts->stat));
2301 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2302 	} else if (t->uldd_task) {
2303 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2304 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2305 		mb();/* ditto */
2306 		spin_unlock_irq(&pm8001_ha->lock);
2307 		t->task_done(t);
2308 		spin_lock_irq(&pm8001_ha->lock);
2309 	} else if (!t->uldd_task) {
2310 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2311 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2312 		mb();/*ditto*/
2313 		spin_unlock_irq(&pm8001_ha->lock);
2314 		t->task_done(t);
2315 		spin_lock_irq(&pm8001_ha->lock);
2316 	}
2317 }
2318 
2319 /*See the comments for mpi_ssp_completion */
2320 static void
2321 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2322 {
2323 	u32 param, i;
2324 	struct sas_task *t;
2325 	struct pm8001_ccb_info *ccb;
2326 	unsigned long flags;
2327 	u32 status;
2328 	u32 tag;
2329 	struct smp_completion_resp *psmpPayload;
2330 	struct task_status_struct *ts;
2331 	struct pm8001_device *pm8001_dev;
2332 	char *pdma_respaddr = NULL;
2333 
2334 	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2335 	status = le32_to_cpu(psmpPayload->status);
2336 	tag = le32_to_cpu(psmpPayload->tag);
2337 
2338 	ccb = &pm8001_ha->ccb_info[tag];
2339 	param = le32_to_cpu(psmpPayload->param);
2340 	t = ccb->task;
2341 	ts = &t->task_status;
2342 	pm8001_dev = ccb->device;
2343 	if (status)
2344 		PM8001_FAIL_DBG(pm8001_ha,
2345 			pm8001_printk("smp IO status 0x%x\n", status));
2346 	if (unlikely(!t || !t->lldd_task || !t->dev))
2347 		return;
2348 
2349 	switch (status) {
2350 
2351 	case IO_SUCCESS:
2352 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2353 		ts->resp = SAS_TASK_COMPLETE;
2354 		ts->stat = SAM_STAT_GOOD;
2355 		if (pm8001_dev)
2356 			pm8001_dev->running_req--;
2357 		if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
2358 			PM8001_IO_DBG(pm8001_ha,
2359 				pm8001_printk("DIRECT RESPONSE Length:%d\n",
2360 						param));
2361 			pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
2362 						((u64)sg_dma_address
2363 						(&t->smp_task.smp_resp))));
2364 			for (i = 0; i < param; i++) {
2365 				*(pdma_respaddr+i) = psmpPayload->_r_a[i];
2366 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2367 					"SMP Byte%d DMA data 0x%x psmp 0x%x\n",
2368 					i, *(pdma_respaddr+i),
2369 					psmpPayload->_r_a[i]));
2370 			}
2371 		}
2372 		break;
2373 	case IO_ABORTED:
2374 		PM8001_IO_DBG(pm8001_ha,
2375 			pm8001_printk("IO_ABORTED IOMB\n"));
2376 		ts->resp = SAS_TASK_COMPLETE;
2377 		ts->stat = SAS_ABORTED_TASK;
2378 		if (pm8001_dev)
2379 			pm8001_dev->running_req--;
2380 		break;
2381 	case IO_OVERFLOW:
2382 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2383 		ts->resp = SAS_TASK_COMPLETE;
2384 		ts->stat = SAS_DATA_OVERRUN;
2385 		ts->residual = 0;
2386 		if (pm8001_dev)
2387 			pm8001_dev->running_req--;
2388 		break;
2389 	case IO_NO_DEVICE:
2390 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2391 		ts->resp = SAS_TASK_COMPLETE;
2392 		ts->stat = SAS_PHY_DOWN;
2393 		break;
2394 	case IO_ERROR_HW_TIMEOUT:
2395 		PM8001_IO_DBG(pm8001_ha,
2396 			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2397 		ts->resp = SAS_TASK_COMPLETE;
2398 		ts->stat = SAM_STAT_BUSY;
2399 		break;
2400 	case IO_XFER_ERROR_BREAK:
2401 		PM8001_IO_DBG(pm8001_ha,
2402 			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2403 		ts->resp = SAS_TASK_COMPLETE;
2404 		ts->stat = SAM_STAT_BUSY;
2405 		break;
2406 	case IO_XFER_ERROR_PHY_NOT_READY:
2407 		PM8001_IO_DBG(pm8001_ha,
2408 			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2409 		ts->resp = SAS_TASK_COMPLETE;
2410 		ts->stat = SAM_STAT_BUSY;
2411 		break;
2412 	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2413 		PM8001_IO_DBG(pm8001_ha,
2414 		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2415 		ts->resp = SAS_TASK_COMPLETE;
2416 		ts->stat = SAS_OPEN_REJECT;
2417 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2418 		break;
2419 	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2420 		PM8001_IO_DBG(pm8001_ha,
2421 			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2422 		ts->resp = SAS_TASK_COMPLETE;
2423 		ts->stat = SAS_OPEN_REJECT;
2424 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2425 		break;
2426 	case IO_OPEN_CNX_ERROR_BREAK:
2427 		PM8001_IO_DBG(pm8001_ha,
2428 			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2429 		ts->resp = SAS_TASK_COMPLETE;
2430 		ts->stat = SAS_OPEN_REJECT;
2431 		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2432 		break;
2433 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2434 	case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2435 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2436 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2437 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2438 	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2439 		PM8001_IO_DBG(pm8001_ha,
2440 			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2441 		ts->resp = SAS_TASK_COMPLETE;
2442 		ts->stat = SAS_OPEN_REJECT;
2443 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2444 		pm8001_handle_event(pm8001_ha,
2445 				pm8001_dev,
2446 				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2447 		break;
2448 	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2449 		PM8001_IO_DBG(pm8001_ha,
2450 			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2451 		ts->resp = SAS_TASK_COMPLETE;
2452 		ts->stat = SAS_OPEN_REJECT;
2453 		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2454 		break;
2455 	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2456 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(\
2457 			"IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2458 		ts->resp = SAS_TASK_COMPLETE;
2459 		ts->stat = SAS_OPEN_REJECT;
2460 		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2461 		break;
2462 	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2463 		PM8001_IO_DBG(pm8001_ha,
2464 			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2465 		ts->resp = SAS_TASK_COMPLETE;
2466 		ts->stat = SAS_OPEN_REJECT;
2467 		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2468 		break;
2469 	case IO_XFER_ERROR_RX_FRAME:
2470 		PM8001_IO_DBG(pm8001_ha,
2471 			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2472 		ts->resp = SAS_TASK_COMPLETE;
2473 		ts->stat = SAS_DEV_NO_RESPONSE;
2474 		break;
2475 	case IO_XFER_OPEN_RETRY_TIMEOUT:
2476 		PM8001_IO_DBG(pm8001_ha,
2477 			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2478 		ts->resp = SAS_TASK_COMPLETE;
2479 		ts->stat = SAS_OPEN_REJECT;
2480 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2481 		break;
2482 	case IO_ERROR_INTERNAL_SMP_RESOURCE:
2483 		PM8001_IO_DBG(pm8001_ha,
2484 			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2485 		ts->resp = SAS_TASK_COMPLETE;
2486 		ts->stat = SAS_QUEUE_FULL;
2487 		break;
2488 	case IO_PORT_IN_RESET:
2489 		PM8001_IO_DBG(pm8001_ha,
2490 			pm8001_printk("IO_PORT_IN_RESET\n"));
2491 		ts->resp = SAS_TASK_COMPLETE;
2492 		ts->stat = SAS_OPEN_REJECT;
2493 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2494 		break;
2495 	case IO_DS_NON_OPERATIONAL:
2496 		PM8001_IO_DBG(pm8001_ha,
2497 			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2498 		ts->resp = SAS_TASK_COMPLETE;
2499 		ts->stat = SAS_DEV_NO_RESPONSE;
2500 		break;
2501 	case IO_DS_IN_RECOVERY:
2502 		PM8001_IO_DBG(pm8001_ha,
2503 			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2504 		ts->resp = SAS_TASK_COMPLETE;
2505 		ts->stat = SAS_OPEN_REJECT;
2506 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2507 		break;
2508 	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2509 		PM8001_IO_DBG(pm8001_ha,
2510 			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2511 		ts->resp = SAS_TASK_COMPLETE;
2512 		ts->stat = SAS_OPEN_REJECT;
2513 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2514 		break;
2515 	default:
2516 		PM8001_IO_DBG(pm8001_ha,
2517 			pm8001_printk("Unknown status 0x%x\n", status));
2518 		ts->resp = SAS_TASK_COMPLETE;
2519 		ts->stat = SAS_DEV_NO_RESPONSE;
2520 		/* not allowed case. Therefore, return failed status */
2521 		break;
2522 	}
2523 	spin_lock_irqsave(&t->task_state_lock, flags);
2524 	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2525 	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2526 	t->task_state_flags |= SAS_TASK_STATE_DONE;
2527 	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2528 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2529 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
2530 			"task 0x%p done with io_status 0x%x resp 0x%x"
2531 			"stat 0x%x but aborted by upper layer!\n",
2532 			t, status, ts->resp, ts->stat));
2533 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2534 	} else {
2535 		spin_unlock_irqrestore(&t->task_state_lock, flags);
2536 		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2537 		mb();/* in order to force CPU ordering */
2538 		t->task_done(t);
2539 	}
2540 }
2541 
2542 /**
2543  * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
2544  * @pm8001_ha: our hba card information
2545  * @Qnum: the outbound queue message number.
2546  * @SEA: source of event to ack
2547  * @port_id: port id.
2548  * @phyId: phy id.
2549  * @param0: parameter 0.
2550  * @param1: parameter 1.
2551  */
2552 static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
2553 	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
2554 {
2555 	struct hw_event_ack_req	 payload;
2556 	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
2557 
2558 	struct inbound_queue_table *circularQ;
2559 
2560 	memset((u8 *)&payload, 0, sizeof(payload));
2561 	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
2562 	payload.tag = cpu_to_le32(1);
2563 	payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
2564 		((phyId & 0xFF) << 24) | (port_id & 0xFF));
2565 	payload.param0 = cpu_to_le32(param0);
2566 	payload.param1 = cpu_to_le32(param1);
2567 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
2568 }
2569 
2570 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
2571 	u32 phyId, u32 phy_op);
2572 
2573 /**
2574  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
2575  * @pm8001_ha: our hba card information
2576  * @piomb: IO message buffer
2577  */
2578 static void
2579 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2580 {
2581 	struct hw_event_resp *pPayload =
2582 		(struct hw_event_resp *)(piomb + 4);
2583 	u32 lr_status_evt_portid =
2584 		le32_to_cpu(pPayload->lr_status_evt_portid);
2585 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2586 
2587 	u8 link_rate =
2588 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2589 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2590 	u8 phy_id =
2591 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2592 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2593 
2594 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2595 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2596 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2597 	unsigned long flags;
2598 	u8 deviceType = pPayload->sas_identify.dev_type;
2599 	port->port_state = portstate;
2600 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2601 		"portid:%d; phyid:%d; linkrate:%d; "
2602 		"portstate:%x; devicetype:%x\n",
2603 		port_id, phy_id, link_rate, portstate, deviceType));
2604 
2605 	switch (deviceType) {
2606 	case SAS_PHY_UNUSED:
2607 		PM8001_MSG_DBG(pm8001_ha,
2608 			pm8001_printk("device type no device.\n"));
2609 		break;
2610 	case SAS_END_DEVICE:
2611 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
2612 		pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2613 			PHY_NOTIFY_ENABLE_SPINUP);
2614 		port->port_attached = 1;
2615 		pm8001_get_lrate_mode(phy, link_rate);
2616 		break;
2617 	case SAS_EDGE_EXPANDER_DEVICE:
2618 		PM8001_MSG_DBG(pm8001_ha,
2619 			pm8001_printk("expander device.\n"));
2620 		port->port_attached = 1;
2621 		pm8001_get_lrate_mode(phy, link_rate);
2622 		break;
2623 	case SAS_FANOUT_EXPANDER_DEVICE:
2624 		PM8001_MSG_DBG(pm8001_ha,
2625 			pm8001_printk("fanout expander device.\n"));
2626 		port->port_attached = 1;
2627 		pm8001_get_lrate_mode(phy, link_rate);
2628 		break;
2629 	default:
2630 		PM8001_MSG_DBG(pm8001_ha,
2631 			pm8001_printk("unknown device type(%x)\n", deviceType));
2632 		break;
2633 	}
2634 	phy->phy_type |= PORT_TYPE_SAS;
2635 	phy->identify.device_type = deviceType;
2636 	phy->phy_attached = 1;
2637 	if (phy->identify.device_type == SAS_END_DEVICE)
2638 		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
2639 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
2640 		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
2641 	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2642 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2643 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2644 	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
2645 		sizeof(struct sas_identify_frame)-4);
2646 	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
2647 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2648 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2649 	if (pm8001_ha->flags == PM8001F_RUN_TIME)
2650 		mdelay(200);/*delay a moment to wait disk to spinup*/
2651 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2652 }
2653 
2654 /**
2655  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
2656  * @pm8001_ha: our hba card information
2657  * @piomb: IO message buffer
2658  */
2659 static void
2660 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2661 {
2662 	struct hw_event_resp *pPayload =
2663 		(struct hw_event_resp *)(piomb + 4);
2664 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2665 	u32 lr_status_evt_portid =
2666 		le32_to_cpu(pPayload->lr_status_evt_portid);
2667 	u8 link_rate =
2668 		(u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2669 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2670 	u8 phy_id =
2671 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2672 
2673 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2674 
2675 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2676 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2677 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2678 	unsigned long flags;
2679 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2680 		"port id %d, phy id %d link_rate %d portstate 0x%x\n",
2681 				port_id, phy_id, link_rate, portstate));
2682 
2683 	port->port_state = portstate;
2684 	port->port_attached = 1;
2685 	pm8001_get_lrate_mode(phy, link_rate);
2686 	phy->phy_type |= PORT_TYPE_SATA;
2687 	phy->phy_attached = 1;
2688 	phy->sas_phy.oob_mode = SATA_OOB_MODE;
2689 	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2690 	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2691 	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
2692 		sizeof(struct dev_to_host_fis));
2693 	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
2694 	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
2695 	phy->identify.device_type = SAS_SATA_DEV;
2696 	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2697 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2698 	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2699 }
2700 
2701 /**
2702  * hw_event_phy_down -we should notify the libsas the phy is down.
2703  * @pm8001_ha: our hba card information
2704  * @piomb: IO message buffer
2705  */
2706 static void
2707 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
2708 {
2709 	struct hw_event_resp *pPayload =
2710 		(struct hw_event_resp *)(piomb + 4);
2711 
2712 	u32 lr_status_evt_portid =
2713 		le32_to_cpu(pPayload->lr_status_evt_portid);
2714 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2715 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2716 	u8 phy_id =
2717 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2718 	u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2719 
2720 	struct pm8001_port *port = &pm8001_ha->port[port_id];
2721 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2722 	port->port_state = portstate;
2723 	phy->phy_type = 0;
2724 	phy->identify.device_type = 0;
2725 	phy->phy_attached = 0;
2726 	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
2727 	switch (portstate) {
2728 	case PORT_VALID:
2729 		break;
2730 	case PORT_INVALID:
2731 		PM8001_MSG_DBG(pm8001_ha,
2732 			pm8001_printk(" PortInvalid portID %d\n", port_id));
2733 		PM8001_MSG_DBG(pm8001_ha,
2734 			pm8001_printk(" Last phy Down and port invalid\n"));
2735 		port->port_attached = 0;
2736 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
2737 			port_id, phy_id, 0, 0);
2738 		break;
2739 	case PORT_IN_RESET:
2740 		PM8001_MSG_DBG(pm8001_ha,
2741 			pm8001_printk(" Port In Reset portID %d\n", port_id));
2742 		break;
2743 	case PORT_NOT_ESTABLISHED:
2744 		PM8001_MSG_DBG(pm8001_ha,
2745 			pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
2746 		port->port_attached = 0;
2747 		break;
2748 	case PORT_LOSTCOMM:
2749 		PM8001_MSG_DBG(pm8001_ha,
2750 			pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
2751 		PM8001_MSG_DBG(pm8001_ha,
2752 			pm8001_printk(" Last phy Down and port invalid\n"));
2753 		port->port_attached = 0;
2754 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
2755 			port_id, phy_id, 0, 0);
2756 		break;
2757 	default:
2758 		port->port_attached = 0;
2759 		PM8001_MSG_DBG(pm8001_ha,
2760 			pm8001_printk(" phy Down and(default) = 0x%x\n",
2761 			portstate));
2762 		break;
2763 
2764 	}
2765 }
2766 
2767 static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2768 {
2769 	struct phy_start_resp *pPayload =
2770 		(struct phy_start_resp *)(piomb + 4);
2771 	u32 status =
2772 		le32_to_cpu(pPayload->status);
2773 	u32 phy_id =
2774 		le32_to_cpu(pPayload->phyid);
2775 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2776 
2777 	PM8001_INIT_DBG(pm8001_ha,
2778 		pm8001_printk("phy start resp status:0x%x, phyid:0x%x\n",
2779 				status, phy_id));
2780 	if (status == 0) {
2781 		phy->phy_state = 1;
2782 		if (pm8001_ha->flags == PM8001F_RUN_TIME)
2783 			complete(phy->enable_completion);
2784 	}
2785 	return 0;
2786 
2787 }
2788 
2789 /**
2790  * mpi_thermal_hw_event -The hw event has come.
2791  * @pm8001_ha: our hba card information
2792  * @piomb: IO message buffer
2793  */
2794 static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2795 {
2796 	struct thermal_hw_event *pPayload =
2797 		(struct thermal_hw_event *)(piomb + 4);
2798 
2799 	u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
2800 	u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
2801 
2802 	if (thermal_event & 0x40) {
2803 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2804 			"Thermal Event: Local high temperature violated!\n"));
2805 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2806 			"Thermal Event: Measured local high temperature %d\n",
2807 				((rht_lht & 0xFF00) >> 8)));
2808 	}
2809 	if (thermal_event & 0x10) {
2810 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2811 			"Thermal Event: Remote high temperature violated!\n"));
2812 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2813 			"Thermal Event: Measured remote high temperature %d\n",
2814 				((rht_lht & 0xFF000000) >> 24)));
2815 	}
2816 	return 0;
2817 }
2818 
2819 /**
2820  * mpi_hw_event -The hw event has come.
2821  * @pm8001_ha: our hba card information
2822  * @piomb: IO message buffer
2823  */
2824 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2825 {
2826 	unsigned long flags;
2827 	struct hw_event_resp *pPayload =
2828 		(struct hw_event_resp *)(piomb + 4);
2829 	u32 lr_status_evt_portid =
2830 		le32_to_cpu(pPayload->lr_status_evt_portid);
2831 	u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2832 	u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2833 	u8 phy_id =
2834 		(u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2835 	u16 eventType =
2836 		(u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
2837 	u8 status =
2838 		(u8)((lr_status_evt_portid & 0x0F000000) >> 24);
2839 
2840 	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2841 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2842 	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
2843 	PM8001_MSG_DBG(pm8001_ha,
2844 		pm8001_printk("portid:%d phyid:%d event:0x%x status:0x%x\n",
2845 				port_id, phy_id, eventType, status));
2846 
2847 	switch (eventType) {
2848 
2849 	case HW_EVENT_SAS_PHY_UP:
2850 		PM8001_MSG_DBG(pm8001_ha,
2851 			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
2852 		hw_event_sas_phy_up(pm8001_ha, piomb);
2853 		break;
2854 	case HW_EVENT_SATA_PHY_UP:
2855 		PM8001_MSG_DBG(pm8001_ha,
2856 			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
2857 		hw_event_sata_phy_up(pm8001_ha, piomb);
2858 		break;
2859 	case HW_EVENT_SATA_SPINUP_HOLD:
2860 		PM8001_MSG_DBG(pm8001_ha,
2861 			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
2862 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
2863 		break;
2864 	case HW_EVENT_PHY_DOWN:
2865 		PM8001_MSG_DBG(pm8001_ha,
2866 			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
2867 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
2868 		phy->phy_attached = 0;
2869 		phy->phy_state = 0;
2870 		hw_event_phy_down(pm8001_ha, piomb);
2871 		break;
2872 	case HW_EVENT_PORT_INVALID:
2873 		PM8001_MSG_DBG(pm8001_ha,
2874 			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
2875 		sas_phy_disconnected(sas_phy);
2876 		phy->phy_attached = 0;
2877 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2878 		break;
2879 	/* the broadcast change primitive received, tell the LIBSAS this event
2880 	to revalidate the sas domain*/
2881 	case HW_EVENT_BROADCAST_CHANGE:
2882 		PM8001_MSG_DBG(pm8001_ha,
2883 			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
2884 		pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
2885 			port_id, phy_id, 1, 0);
2886 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
2887 		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
2888 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
2889 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
2890 		break;
2891 	case HW_EVENT_PHY_ERROR:
2892 		PM8001_MSG_DBG(pm8001_ha,
2893 			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
2894 		sas_phy_disconnected(&phy->sas_phy);
2895 		phy->phy_attached = 0;
2896 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
2897 		break;
2898 	case HW_EVENT_BROADCAST_EXP:
2899 		PM8001_MSG_DBG(pm8001_ha,
2900 			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
2901 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
2902 		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
2903 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
2904 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
2905 		break;
2906 	case HW_EVENT_LINK_ERR_INVALID_DWORD:
2907 		PM8001_MSG_DBG(pm8001_ha,
2908 			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
2909 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
2910 			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
2911 		sas_phy_disconnected(sas_phy);
2912 		phy->phy_attached = 0;
2913 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2914 		break;
2915 	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
2916 		PM8001_MSG_DBG(pm8001_ha,
2917 			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
2918 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
2919 			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
2920 			port_id, phy_id, 0, 0);
2921 		sas_phy_disconnected(sas_phy);
2922 		phy->phy_attached = 0;
2923 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2924 		break;
2925 	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
2926 		PM8001_MSG_DBG(pm8001_ha,
2927 			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
2928 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
2929 			HW_EVENT_LINK_ERR_CODE_VIOLATION,
2930 			port_id, phy_id, 0, 0);
2931 		sas_phy_disconnected(sas_phy);
2932 		phy->phy_attached = 0;
2933 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2934 		break;
2935 	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
2936 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2937 				"HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
2938 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
2939 			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
2940 			port_id, phy_id, 0, 0);
2941 		sas_phy_disconnected(sas_phy);
2942 		phy->phy_attached = 0;
2943 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2944 		break;
2945 	case HW_EVENT_MALFUNCTION:
2946 		PM8001_MSG_DBG(pm8001_ha,
2947 			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
2948 		break;
2949 	case HW_EVENT_BROADCAST_SES:
2950 		PM8001_MSG_DBG(pm8001_ha,
2951 			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
2952 		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
2953 		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
2954 		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
2955 		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
2956 		break;
2957 	case HW_EVENT_INBOUND_CRC_ERROR:
2958 		PM8001_MSG_DBG(pm8001_ha,
2959 			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
2960 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
2961 			HW_EVENT_INBOUND_CRC_ERROR,
2962 			port_id, phy_id, 0, 0);
2963 		break;
2964 	case HW_EVENT_HARD_RESET_RECEIVED:
2965 		PM8001_MSG_DBG(pm8001_ha,
2966 			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
2967 		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
2968 		break;
2969 	case HW_EVENT_ID_FRAME_TIMEOUT:
2970 		PM8001_MSG_DBG(pm8001_ha,
2971 			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
2972 		sas_phy_disconnected(sas_phy);
2973 		phy->phy_attached = 0;
2974 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2975 		break;
2976 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
2977 		PM8001_MSG_DBG(pm8001_ha,
2978 			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
2979 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
2980 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
2981 			port_id, phy_id, 0, 0);
2982 		sas_phy_disconnected(sas_phy);
2983 		phy->phy_attached = 0;
2984 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2985 		break;
2986 	case HW_EVENT_PORT_RESET_TIMER_TMO:
2987 		PM8001_MSG_DBG(pm8001_ha,
2988 			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
2989 		sas_phy_disconnected(sas_phy);
2990 		phy->phy_attached = 0;
2991 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
2992 		break;
2993 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
2994 		PM8001_MSG_DBG(pm8001_ha,
2995 			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
2996 		pm80xx_hw_event_ack_req(pm8001_ha, 0,
2997 			HW_EVENT_PORT_RECOVERY_TIMER_TMO,
2998 			port_id, phy_id, 0, 0);
2999 		sas_phy_disconnected(sas_phy);
3000 		phy->phy_attached = 0;
3001 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3002 		break;
3003 	case HW_EVENT_PORT_RECOVER:
3004 		PM8001_MSG_DBG(pm8001_ha,
3005 			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3006 		break;
3007 	case HW_EVENT_PORT_RESET_COMPLETE:
3008 		PM8001_MSG_DBG(pm8001_ha,
3009 			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3010 		break;
3011 	case EVENT_BROADCAST_ASYNCH_EVENT:
3012 		PM8001_MSG_DBG(pm8001_ha,
3013 			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3014 		break;
3015 	default:
3016 		PM8001_MSG_DBG(pm8001_ha,
3017 			pm8001_printk("Unknown event type 0x%x\n", eventType));
3018 		break;
3019 	}
3020 	return 0;
3021 }
3022 
3023 /**
3024  * mpi_phy_stop_resp - SPCv specific
3025  * @pm8001_ha: our hba card information
3026  * @piomb: IO message buffer
3027  */
3028 static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3029 {
3030 	struct phy_stop_resp *pPayload =
3031 		(struct phy_stop_resp *)(piomb + 4);
3032 	u32 status =
3033 		le32_to_cpu(pPayload->status);
3034 	u32 phyid =
3035 		le32_to_cpu(pPayload->phyid);
3036 	struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3037 	PM8001_MSG_DBG(pm8001_ha,
3038 			pm8001_printk("phy:0x%x status:0x%x\n",
3039 					phyid, status));
3040 	if (status == 0)
3041 		phy->phy_state = 0;
3042 	return 0;
3043 }
3044 
3045 /**
3046  * mpi_set_controller_config_resp - SPCv specific
3047  * @pm8001_ha: our hba card information
3048  * @piomb: IO message buffer
3049  */
3050 static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3051 			void *piomb)
3052 {
3053 	struct set_ctrl_cfg_resp *pPayload =
3054 			(struct set_ctrl_cfg_resp *)(piomb + 4);
3055 	u32 status = le32_to_cpu(pPayload->status);
3056 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3057 
3058 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3059 			"SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3060 			status, err_qlfr_pgcd));
3061 
3062 	return 0;
3063 }
3064 
3065 /**
3066  * mpi_get_controller_config_resp - SPCv specific
3067  * @pm8001_ha: our hba card information
3068  * @piomb: IO message buffer
3069  */
3070 static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3071 			void *piomb)
3072 {
3073 	PM8001_MSG_DBG(pm8001_ha,
3074 			pm8001_printk(" pm80xx_addition_functionality\n"));
3075 
3076 	return 0;
3077 }
3078 
3079 /**
3080  * mpi_get_phy_profile_resp - SPCv specific
3081  * @pm8001_ha: our hba card information
3082  * @piomb: IO message buffer
3083  */
3084 static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3085 			void *piomb)
3086 {
3087 	PM8001_MSG_DBG(pm8001_ha,
3088 			pm8001_printk(" pm80xx_addition_functionality\n"));
3089 
3090 	return 0;
3091 }
3092 
3093 /**
3094  * mpi_flash_op_ext_resp - SPCv specific
3095  * @pm8001_ha: our hba card information
3096  * @piomb: IO message buffer
3097  */
3098 static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3099 {
3100 	PM8001_MSG_DBG(pm8001_ha,
3101 			pm8001_printk(" pm80xx_addition_functionality\n"));
3102 
3103 	return 0;
3104 }
3105 
3106 /**
3107  * mpi_set_phy_profile_resp - SPCv specific
3108  * @pm8001_ha: our hba card information
3109  * @piomb: IO message buffer
3110  */
3111 static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3112 			void *piomb)
3113 {
3114 	PM8001_MSG_DBG(pm8001_ha,
3115 			pm8001_printk(" pm80xx_addition_functionality\n"));
3116 
3117 	return 0;
3118 }
3119 
3120 /**
3121  * mpi_kek_management_resp - SPCv specific
3122  * @pm8001_ha: our hba card information
3123  * @piomb: IO message buffer
3124  */
3125 static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3126 			void *piomb)
3127 {
3128 	struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3129 
3130 	u32 status = le32_to_cpu(pPayload->status);
3131 	u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3132 	u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3133 
3134 	PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3135 		"KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3136 		status, kidx_new_curr_ksop, err_qlfr));
3137 
3138 	return 0;
3139 }
3140 
3141 /**
3142  * mpi_dek_management_resp - SPCv specific
3143  * @pm8001_ha: our hba card information
3144  * @piomb: IO message buffer
3145  */
3146 static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3147 			void *piomb)
3148 {
3149 	PM8001_MSG_DBG(pm8001_ha,
3150 			pm8001_printk(" pm80xx_addition_functionality\n"));
3151 
3152 	return 0;
3153 }
3154 
3155 /**
3156  * ssp_coalesced_comp_resp - SPCv specific
3157  * @pm8001_ha: our hba card information
3158  * @piomb: IO message buffer
3159  */
3160 static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3161 			void *piomb)
3162 {
3163 	PM8001_MSG_DBG(pm8001_ha,
3164 			pm8001_printk(" pm80xx_addition_functionality\n"));
3165 
3166 	return 0;
3167 }
3168 
3169 /**
3170  * process_one_iomb - process one outbound Queue memory block
3171  * @pm8001_ha: our hba card information
3172  * @piomb: IO message buffer
3173  */
3174 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3175 {
3176 	__le32 pHeader = *(__le32 *)piomb;
3177 	u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3178 
3179 	switch (opc) {
3180 	case OPC_OUB_ECHO:
3181 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3182 		break;
3183 	case OPC_OUB_HW_EVENT:
3184 		PM8001_MSG_DBG(pm8001_ha,
3185 			pm8001_printk("OPC_OUB_HW_EVENT\n"));
3186 		mpi_hw_event(pm8001_ha, piomb);
3187 		break;
3188 	case OPC_OUB_THERM_HW_EVENT:
3189 		PM8001_MSG_DBG(pm8001_ha,
3190 			pm8001_printk("OPC_OUB_THERMAL_EVENT\n"));
3191 		mpi_thermal_hw_event(pm8001_ha, piomb);
3192 		break;
3193 	case OPC_OUB_SSP_COMP:
3194 		PM8001_MSG_DBG(pm8001_ha,
3195 			pm8001_printk("OPC_OUB_SSP_COMP\n"));
3196 		mpi_ssp_completion(pm8001_ha, piomb);
3197 		break;
3198 	case OPC_OUB_SMP_COMP:
3199 		PM8001_MSG_DBG(pm8001_ha,
3200 			pm8001_printk("OPC_OUB_SMP_COMP\n"));
3201 		mpi_smp_completion(pm8001_ha, piomb);
3202 		break;
3203 	case OPC_OUB_LOCAL_PHY_CNTRL:
3204 		PM8001_MSG_DBG(pm8001_ha,
3205 			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3206 		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3207 		break;
3208 	case OPC_OUB_DEV_REGIST:
3209 		PM8001_MSG_DBG(pm8001_ha,
3210 		pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3211 		pm8001_mpi_reg_resp(pm8001_ha, piomb);
3212 		break;
3213 	case OPC_OUB_DEREG_DEV:
3214 		PM8001_MSG_DBG(pm8001_ha,
3215 			pm8001_printk("unregister the device\n"));
3216 		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3217 		break;
3218 	case OPC_OUB_GET_DEV_HANDLE:
3219 		PM8001_MSG_DBG(pm8001_ha,
3220 			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3221 		break;
3222 	case OPC_OUB_SATA_COMP:
3223 		PM8001_MSG_DBG(pm8001_ha,
3224 			pm8001_printk("OPC_OUB_SATA_COMP\n"));
3225 		mpi_sata_completion(pm8001_ha, piomb);
3226 		break;
3227 	case OPC_OUB_SATA_EVENT:
3228 		PM8001_MSG_DBG(pm8001_ha,
3229 			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3230 		mpi_sata_event(pm8001_ha, piomb);
3231 		break;
3232 	case OPC_OUB_SSP_EVENT:
3233 		PM8001_MSG_DBG(pm8001_ha,
3234 			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3235 		mpi_ssp_event(pm8001_ha, piomb);
3236 		break;
3237 	case OPC_OUB_DEV_HANDLE_ARRIV:
3238 		PM8001_MSG_DBG(pm8001_ha,
3239 			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3240 		/*This is for target*/
3241 		break;
3242 	case OPC_OUB_SSP_RECV_EVENT:
3243 		PM8001_MSG_DBG(pm8001_ha,
3244 			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3245 		/*This is for target*/
3246 		break;
3247 	case OPC_OUB_FW_FLASH_UPDATE:
3248 		PM8001_MSG_DBG(pm8001_ha,
3249 			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3250 		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3251 		break;
3252 	case OPC_OUB_GPIO_RESPONSE:
3253 		PM8001_MSG_DBG(pm8001_ha,
3254 			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3255 		break;
3256 	case OPC_OUB_GPIO_EVENT:
3257 		PM8001_MSG_DBG(pm8001_ha,
3258 			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3259 		break;
3260 	case OPC_OUB_GENERAL_EVENT:
3261 		PM8001_MSG_DBG(pm8001_ha,
3262 			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3263 		pm8001_mpi_general_event(pm8001_ha, piomb);
3264 		break;
3265 	case OPC_OUB_SSP_ABORT_RSP:
3266 		PM8001_MSG_DBG(pm8001_ha,
3267 			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3268 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3269 		break;
3270 	case OPC_OUB_SATA_ABORT_RSP:
3271 		PM8001_MSG_DBG(pm8001_ha,
3272 			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3273 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3274 		break;
3275 	case OPC_OUB_SAS_DIAG_MODE_START_END:
3276 		PM8001_MSG_DBG(pm8001_ha,
3277 			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3278 		break;
3279 	case OPC_OUB_SAS_DIAG_EXECUTE:
3280 		PM8001_MSG_DBG(pm8001_ha,
3281 			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3282 		break;
3283 	case OPC_OUB_GET_TIME_STAMP:
3284 		PM8001_MSG_DBG(pm8001_ha,
3285 			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3286 		break;
3287 	case OPC_OUB_SAS_HW_EVENT_ACK:
3288 		PM8001_MSG_DBG(pm8001_ha,
3289 			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3290 		break;
3291 	case OPC_OUB_PORT_CONTROL:
3292 		PM8001_MSG_DBG(pm8001_ha,
3293 			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3294 		break;
3295 	case OPC_OUB_SMP_ABORT_RSP:
3296 		PM8001_MSG_DBG(pm8001_ha,
3297 			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3298 		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3299 		break;
3300 	case OPC_OUB_GET_NVMD_DATA:
3301 		PM8001_MSG_DBG(pm8001_ha,
3302 			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3303 		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3304 		break;
3305 	case OPC_OUB_SET_NVMD_DATA:
3306 		PM8001_MSG_DBG(pm8001_ha,
3307 			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3308 		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3309 		break;
3310 	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3311 		PM8001_MSG_DBG(pm8001_ha,
3312 			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3313 		break;
3314 	case OPC_OUB_SET_DEVICE_STATE:
3315 		PM8001_MSG_DBG(pm8001_ha,
3316 			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3317 		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3318 		break;
3319 	case OPC_OUB_GET_DEVICE_STATE:
3320 		PM8001_MSG_DBG(pm8001_ha,
3321 			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3322 		break;
3323 	case OPC_OUB_SET_DEV_INFO:
3324 		PM8001_MSG_DBG(pm8001_ha,
3325 			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3326 		break;
3327 	/* spcv specifc commands */
3328 	case OPC_OUB_PHY_START_RESP:
3329 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3330 			"OPC_OUB_PHY_START_RESP opcode:%x\n", opc));
3331 		mpi_phy_start_resp(pm8001_ha, piomb);
3332 		break;
3333 	case OPC_OUB_PHY_STOP_RESP:
3334 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3335 			"OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc));
3336 		mpi_phy_stop_resp(pm8001_ha, piomb);
3337 		break;
3338 	case OPC_OUB_SET_CONTROLLER_CONFIG:
3339 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3340 			"OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc));
3341 		mpi_set_controller_config_resp(pm8001_ha, piomb);
3342 		break;
3343 	case OPC_OUB_GET_CONTROLLER_CONFIG:
3344 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3345 			"OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc));
3346 		mpi_get_controller_config_resp(pm8001_ha, piomb);
3347 		break;
3348 	case OPC_OUB_GET_PHY_PROFILE:
3349 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3350 			"OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc));
3351 		mpi_get_phy_profile_resp(pm8001_ha, piomb);
3352 		break;
3353 	case OPC_OUB_FLASH_OP_EXT:
3354 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3355 			"OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc));
3356 		mpi_flash_op_ext_resp(pm8001_ha, piomb);
3357 		break;
3358 	case OPC_OUB_SET_PHY_PROFILE:
3359 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3360 			"OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc));
3361 		mpi_set_phy_profile_resp(pm8001_ha, piomb);
3362 		break;
3363 	case OPC_OUB_KEK_MANAGEMENT_RESP:
3364 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3365 			"OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc));
3366 		mpi_kek_management_resp(pm8001_ha, piomb);
3367 		break;
3368 	case OPC_OUB_DEK_MANAGEMENT_RESP:
3369 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3370 			"OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc));
3371 		mpi_dek_management_resp(pm8001_ha, piomb);
3372 		break;
3373 	case OPC_OUB_SSP_COALESCED_COMP_RESP:
3374 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3375 			"OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc));
3376 		ssp_coalesced_comp_resp(pm8001_ha, piomb);
3377 		break;
3378 	default:
3379 		PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3380 			"Unknown outbound Queue IOMB OPC = 0x%x\n", opc));
3381 		break;
3382 	}
3383 }
3384 
3385 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3386 {
3387 	struct outbound_queue_table *circularQ;
3388 	void *pMsg1 = NULL;
3389 	u8 uninitialized_var(bc);
3390 	u32 ret = MPI_IO_STATUS_FAIL;
3391 	unsigned long flags;
3392 
3393 	spin_lock_irqsave(&pm8001_ha->lock, flags);
3394 	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3395 	do {
3396 		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3397 		if (MPI_IO_STATUS_SUCCESS == ret) {
3398 			/* process the outbound message */
3399 			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3400 			/* free the message from the outbound circular buffer */
3401 			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3402 							circularQ, bc);
3403 		}
3404 		if (MPI_IO_STATUS_BUSY == ret) {
3405 			/* Update the producer index from SPC */
3406 			circularQ->producer_index =
3407 				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3408 			if (le32_to_cpu(circularQ->producer_index) ==
3409 				circularQ->consumer_idx)
3410 				/* OQ is empty */
3411 				break;
3412 		}
3413 	} while (1);
3414 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3415 	return ret;
3416 }
3417 
3418 /* PCI_DMA_... to our direction translation. */
3419 static const u8 data_dir_flags[] = {
3420 	[PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
3421 	[PCI_DMA_TODEVICE]	= DATA_DIR_OUT,/* OUTBOUND */
3422 	[PCI_DMA_FROMDEVICE]	= DATA_DIR_IN,/* INBOUND */
3423 	[PCI_DMA_NONE]		= DATA_DIR_NONE,/* NO TRANSFER */
3424 };
3425 
3426 static void build_smp_cmd(u32 deviceID, __le32 hTag,
3427 			struct smp_req *psmp_cmd, int mode, int length)
3428 {
3429 	psmp_cmd->tag = hTag;
3430 	psmp_cmd->device_id = cpu_to_le32(deviceID);
3431 	if (mode == SMP_DIRECT) {
3432 		length = length - 4; /* subtract crc */
3433 		psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
3434 	} else {
3435 		psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3436 	}
3437 }
3438 
3439 /**
3440  * pm8001_chip_smp_req - send a SMP task to FW
3441  * @pm8001_ha: our hba card information.
3442  * @ccb: the ccb information this request used.
3443  */
3444 static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3445 	struct pm8001_ccb_info *ccb)
3446 {
3447 	int elem, rc;
3448 	struct sas_task *task = ccb->task;
3449 	struct domain_device *dev = task->dev;
3450 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3451 	struct scatterlist *sg_req, *sg_resp;
3452 	u32 req_len, resp_len;
3453 	struct smp_req smp_cmd;
3454 	u32 opc;
3455 	struct inbound_queue_table *circularQ;
3456 	char *preq_dma_addr = NULL;
3457 	__le64 tmp_addr;
3458 	u32 i, length;
3459 
3460 	memset(&smp_cmd, 0, sizeof(smp_cmd));
3461 	/*
3462 	 * DMA-map SMP request, response buffers
3463 	 */
3464 	sg_req = &task->smp_task.smp_req;
3465 	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
3466 	if (!elem)
3467 		return -ENOMEM;
3468 	req_len = sg_dma_len(sg_req);
3469 
3470 	sg_resp = &task->smp_task.smp_resp;
3471 	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
3472 	if (!elem) {
3473 		rc = -ENOMEM;
3474 		goto err_out;
3475 	}
3476 	resp_len = sg_dma_len(sg_resp);
3477 	/* must be in dwords */
3478 	if ((req_len & 0x3) || (resp_len & 0x3)) {
3479 		rc = -EINVAL;
3480 		goto err_out_2;
3481 	}
3482 
3483 	opc = OPC_INB_SMP_REQUEST;
3484 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3485 	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3486 
3487 	length = sg_req->length;
3488 	PM8001_IO_DBG(pm8001_ha,
3489 		pm8001_printk("SMP Frame Length %d\n", sg_req->length));
3490 	if (!(length - 8))
3491 		pm8001_ha->smp_exp_mode = SMP_DIRECT;
3492 	else
3493 		pm8001_ha->smp_exp_mode = SMP_INDIRECT;
3494 
3495 	/* DIRECT MODE support only in spcv/ve */
3496 	pm8001_ha->smp_exp_mode = SMP_DIRECT;
3497 
3498 	tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3499 	preq_dma_addr = (char *)phys_to_virt(tmp_addr);
3500 
3501 	/* INDIRECT MODE command settings. Use DMA */
3502 	if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
3503 		PM8001_IO_DBG(pm8001_ha,
3504 			pm8001_printk("SMP REQUEST INDIRECT MODE\n"));
3505 		/* for SPCv indirect mode. Place the top 4 bytes of
3506 		 * SMP Request header here. */
3507 		for (i = 0; i < 4; i++)
3508 			smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
3509 		/* exclude top 4 bytes for SMP req header */
3510 		smp_cmd.long_smp_req.long_req_addr =
3511 			cpu_to_le64((u64)sg_dma_address
3512 				(&task->smp_task.smp_req) - 4);
3513 		/* exclude 4 bytes for SMP req header and CRC */
3514 		smp_cmd.long_smp_req.long_req_size =
3515 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
3516 		smp_cmd.long_smp_req.long_resp_addr =
3517 				cpu_to_le64((u64)sg_dma_address
3518 					(&task->smp_task.smp_resp));
3519 		smp_cmd.long_smp_req.long_resp_size =
3520 				cpu_to_le32((u32)sg_dma_len
3521 					(&task->smp_task.smp_resp)-4);
3522 	} else { /* DIRECT MODE */
3523 		smp_cmd.long_smp_req.long_req_addr =
3524 			cpu_to_le64((u64)sg_dma_address
3525 					(&task->smp_task.smp_req));
3526 		smp_cmd.long_smp_req.long_req_size =
3527 			cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3528 		smp_cmd.long_smp_req.long_resp_addr =
3529 			cpu_to_le64((u64)sg_dma_address
3530 				(&task->smp_task.smp_resp));
3531 		smp_cmd.long_smp_req.long_resp_size =
3532 			cpu_to_le32
3533 			((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3534 	}
3535 	if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3536 		PM8001_IO_DBG(pm8001_ha,
3537 			pm8001_printk("SMP REQUEST DIRECT MODE\n"));
3538 		for (i = 0; i < length; i++)
3539 			if (i < 16) {
3540 				smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
3541 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3542 					"Byte[%d]:%x (DMA data:%x)\n",
3543 					i, smp_cmd.smp_req16[i],
3544 					*(preq_dma_addr)));
3545 			} else {
3546 				smp_cmd.smp_req[i] = *(preq_dma_addr+i);
3547 				PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3548 					"Byte[%d]:%x (DMA data:%x)\n",
3549 					i, smp_cmd.smp_req[i],
3550 					*(preq_dma_addr)));
3551 			}
3552 	}
3553 
3554 	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
3555 				&smp_cmd, pm8001_ha->smp_exp_mode, length);
3556 	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd, 0);
3557 	return 0;
3558 
3559 err_out_2:
3560 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3561 			PCI_DMA_FROMDEVICE);
3562 err_out:
3563 	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3564 			PCI_DMA_TODEVICE);
3565 	return rc;
3566 }
3567 
3568 static int check_enc_sas_cmd(struct sas_task *task)
3569 {
3570 	u8 cmd = task->ssp_task.cmd->cmnd[0];
3571 
3572 	if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
3573 		return 1;
3574 	else
3575 		return 0;
3576 }
3577 
3578 static int check_enc_sat_cmd(struct sas_task *task)
3579 {
3580 	int ret = 0;
3581 	switch (task->ata_task.fis.command) {
3582 	case ATA_CMD_FPDMA_READ:
3583 	case ATA_CMD_READ_EXT:
3584 	case ATA_CMD_READ:
3585 	case ATA_CMD_FPDMA_WRITE:
3586 	case ATA_CMD_WRITE_EXT:
3587 	case ATA_CMD_WRITE:
3588 	case ATA_CMD_PIO_READ:
3589 	case ATA_CMD_PIO_READ_EXT:
3590 	case ATA_CMD_PIO_WRITE:
3591 	case ATA_CMD_PIO_WRITE_EXT:
3592 		ret = 1;
3593 		break;
3594 	default:
3595 		ret = 0;
3596 		break;
3597 	}
3598 	return ret;
3599 }
3600 
3601 /**
3602  * pm80xx_chip_ssp_io_req - send a SSP task to FW
3603  * @pm8001_ha: our hba card information.
3604  * @ccb: the ccb information this request used.
3605  */
3606 static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3607 	struct pm8001_ccb_info *ccb)
3608 {
3609 	struct sas_task *task = ccb->task;
3610 	struct domain_device *dev = task->dev;
3611 	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3612 	struct ssp_ini_io_start_req ssp_cmd;
3613 	u32 tag = ccb->ccb_tag;
3614 	int ret;
3615 	u64 phys_addr;
3616 	struct inbound_queue_table *circularQ;
3617 	static u32 inb;
3618 	static u32 outb;
3619 	u32 opc = OPC_INB_SSPINIIOSTART;
3620 	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3621 	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3622 	/* data address domain added for spcv; set to 0 by host,
3623 	 * used internally by controller
3624 	 * 0 for SAS 1.1 and SAS 2.0 compatible TLR
3625 	 */
3626 	ssp_cmd.dad_dir_m_tlr =
3627 		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
3628 	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3629 	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
3630 	ssp_cmd.tag = cpu_to_le32(tag);
3631 	if (task->ssp_task.enable_first_burst)
3632 		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
3633 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
3634 	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
3635 	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
3636 		       task->ssp_task.cmd->cmd_len);
3637 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3638 
3639 	/* Check if encryption is set */
3640 	if (pm8001_ha->chip->encrypt &&
3641 		!(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
3642 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3643 			"Encryption enabled.Sending Encrypt SAS command 0x%x\n",
3644 			task->ssp_task.cmd->cmnd[0]));
3645 		opc = OPC_INB_SSP_INI_DIF_ENC_IO;
3646 		/* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
3647 		ssp_cmd.dad_dir_m_tlr =	cpu_to_le32
3648 			((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
3649 
3650 		/* fill in PRD (scatter/gather) table, if any */
3651 		if (task->num_scatter > 1) {
3652 			pm8001_chip_make_sg(task->scatter,
3653 						ccb->n_elem, ccb->buf_prd);
3654 			phys_addr = ccb->ccb_dma_handle +
3655 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
3656 			ssp_cmd.enc_addr_low =
3657 				cpu_to_le32(lower_32_bits(phys_addr));
3658 			ssp_cmd.enc_addr_high =
3659 				cpu_to_le32(upper_32_bits(phys_addr));
3660 			ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
3661 		} else if (task->num_scatter == 1) {
3662 			u64 dma_addr = sg_dma_address(task->scatter);
3663 			ssp_cmd.enc_addr_low =
3664 				cpu_to_le32(lower_32_bits(dma_addr));
3665 			ssp_cmd.enc_addr_high =
3666 				cpu_to_le32(upper_32_bits(dma_addr));
3667 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
3668 			ssp_cmd.enc_esgl = 0;
3669 		} else if (task->num_scatter == 0) {
3670 			ssp_cmd.enc_addr_low = 0;
3671 			ssp_cmd.enc_addr_high = 0;
3672 			ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
3673 			ssp_cmd.enc_esgl = 0;
3674 		}
3675 		/* XTS mode. All other fields are 0 */
3676 		ssp_cmd.key_cmode = 0x6 << 4;
3677 		/* set tweak values. Should be the start lba */
3678 		ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
3679 						(task->ssp_task.cmd->cmnd[3] << 16) |
3680 						(task->ssp_task.cmd->cmnd[4] << 8) |
3681 						(task->ssp_task.cmd->cmnd[5]));
3682 	} else {
3683 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3684 			"Sending Normal SAS command 0x%x inb q %x\n",
3685 			task->ssp_task.cmd->cmnd[0], inb));
3686 		/* fill in PRD (scatter/gather) table, if any */
3687 		if (task->num_scatter > 1) {
3688 			pm8001_chip_make_sg(task->scatter, ccb->n_elem,
3689 					ccb->buf_prd);
3690 			phys_addr = ccb->ccb_dma_handle +
3691 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
3692 			ssp_cmd.addr_low =
3693 				cpu_to_le32(lower_32_bits(phys_addr));
3694 			ssp_cmd.addr_high =
3695 				cpu_to_le32(upper_32_bits(phys_addr));
3696 			ssp_cmd.esgl = cpu_to_le32(1<<31);
3697 		} else if (task->num_scatter == 1) {
3698 			u64 dma_addr = sg_dma_address(task->scatter);
3699 			ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
3700 			ssp_cmd.addr_high =
3701 				cpu_to_le32(upper_32_bits(dma_addr));
3702 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
3703 			ssp_cmd.esgl = 0;
3704 		} else if (task->num_scatter == 0) {
3705 			ssp_cmd.addr_low = 0;
3706 			ssp_cmd.addr_high = 0;
3707 			ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
3708 			ssp_cmd.esgl = 0;
3709 		}
3710 	}
3711 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd, outb++);
3712 
3713 	/* rotate the outb queue */
3714 	outb = outb%PM8001_MAX_SPCV_OUTB_NUM;
3715 
3716 	return ret;
3717 }
3718 
3719 static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
3720 	struct pm8001_ccb_info *ccb)
3721 {
3722 	struct sas_task *task = ccb->task;
3723 	struct domain_device *dev = task->dev;
3724 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
3725 	u32 tag = ccb->ccb_tag;
3726 	int ret;
3727 	static u32 inb;
3728 	static u32 outb;
3729 	struct sata_start_req sata_cmd;
3730 	u32 hdr_tag, ncg_tag = 0;
3731 	u64 phys_addr;
3732 	u32 ATAP = 0x0;
3733 	u32 dir;
3734 	struct inbound_queue_table *circularQ;
3735 	unsigned long flags;
3736 	u32 opc = OPC_INB_SATA_HOST_OPSTART;
3737 	memset(&sata_cmd, 0, sizeof(sata_cmd));
3738 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3739 
3740 	if (task->data_dir == PCI_DMA_NONE) {
3741 		ATAP = 0x04; /* no data*/
3742 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
3743 	} else if (likely(!task->ata_task.device_control_reg_update)) {
3744 		if (task->ata_task.dma_xfer) {
3745 			ATAP = 0x06; /* DMA */
3746 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
3747 		} else {
3748 			ATAP = 0x05; /* PIO*/
3749 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
3750 		}
3751 		if (task->ata_task.use_ncq &&
3752 			dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
3753 			ATAP = 0x07; /* FPDMA */
3754 			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
3755 		}
3756 	}
3757 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
3758 		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
3759 		ncg_tag = hdr_tag;
3760 	}
3761 	dir = data_dir_flags[task->data_dir] << 8;
3762 	sata_cmd.tag = cpu_to_le32(tag);
3763 	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
3764 	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3765 
3766 	sata_cmd.sata_fis = task->ata_task.fis;
3767 	if (likely(!task->ata_task.device_control_reg_update))
3768 		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
3769 	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
3770 
3771 	/* Check if encryption is set */
3772 	if (pm8001_ha->chip->encrypt &&
3773 		!(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
3774 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3775 			"Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
3776 			sata_cmd.sata_fis.command));
3777 		opc = OPC_INB_SATA_DIF_ENC_IO;
3778 
3779 		/* set encryption bit */
3780 		sata_cmd.ncqtag_atap_dir_m_dad =
3781 			cpu_to_le32(((ncg_tag & 0xff)<<16)|
3782 				((ATAP & 0x3f) << 10) | 0x20 | dir);
3783 							/* dad (bit 0-1) is 0 */
3784 		/* fill in PRD (scatter/gather) table, if any */
3785 		if (task->num_scatter > 1) {
3786 			pm8001_chip_make_sg(task->scatter,
3787 						ccb->n_elem, ccb->buf_prd);
3788 			phys_addr = ccb->ccb_dma_handle +
3789 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
3790 			sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
3791 			sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
3792 			sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
3793 		} else if (task->num_scatter == 1) {
3794 			u64 dma_addr = sg_dma_address(task->scatter);
3795 			sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
3796 			sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
3797 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
3798 			sata_cmd.enc_esgl = 0;
3799 		} else if (task->num_scatter == 0) {
3800 			sata_cmd.enc_addr_low = 0;
3801 			sata_cmd.enc_addr_high = 0;
3802 			sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
3803 			sata_cmd.enc_esgl = 0;
3804 		}
3805 		/* XTS mode. All other fields are 0 */
3806 		sata_cmd.key_index_mode = 0x6 << 4;
3807 		/* set tweak values. Should be the start lba */
3808 		sata_cmd.twk_val0 =
3809 			cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
3810 					(sata_cmd.sata_fis.lbah << 16) |
3811 					(sata_cmd.sata_fis.lbam << 8) |
3812 					(sata_cmd.sata_fis.lbal));
3813 		sata_cmd.twk_val1 =
3814 			cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
3815 					 (sata_cmd.sata_fis.lbam_exp));
3816 	} else {
3817 		PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3818 			"Sending Normal SATA command 0x%x inb %x\n",
3819 			sata_cmd.sata_fis.command, inb));
3820 		/* dad (bit 0-1) is 0 */
3821 		sata_cmd.ncqtag_atap_dir_m_dad =
3822 			cpu_to_le32(((ncg_tag & 0xff)<<16) |
3823 					((ATAP & 0x3f) << 10) | dir);
3824 
3825 		/* fill in PRD (scatter/gather) table, if any */
3826 		if (task->num_scatter > 1) {
3827 			pm8001_chip_make_sg(task->scatter,
3828 					ccb->n_elem, ccb->buf_prd);
3829 			phys_addr = ccb->ccb_dma_handle +
3830 				offsetof(struct pm8001_ccb_info, buf_prd[0]);
3831 			sata_cmd.addr_low = lower_32_bits(phys_addr);
3832 			sata_cmd.addr_high = upper_32_bits(phys_addr);
3833 			sata_cmd.esgl = cpu_to_le32(1 << 31);
3834 		} else if (task->num_scatter == 1) {
3835 			u64 dma_addr = sg_dma_address(task->scatter);
3836 			sata_cmd.addr_low = lower_32_bits(dma_addr);
3837 			sata_cmd.addr_high = upper_32_bits(dma_addr);
3838 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
3839 			sata_cmd.esgl = 0;
3840 		} else if (task->num_scatter == 0) {
3841 			sata_cmd.addr_low = 0;
3842 			sata_cmd.addr_high = 0;
3843 			sata_cmd.len = cpu_to_le32(task->total_xfer_len);
3844 			sata_cmd.esgl = 0;
3845 		}
3846 			/* scsi cdb */
3847 			sata_cmd.atapi_scsi_cdb[0] =
3848 				cpu_to_le32(((task->ata_task.atapi_packet[0]) |
3849 				(task->ata_task.atapi_packet[1] << 8) |
3850 				(task->ata_task.atapi_packet[2] << 16) |
3851 				(task->ata_task.atapi_packet[3] << 24)));
3852 			sata_cmd.atapi_scsi_cdb[1] =
3853 				cpu_to_le32(((task->ata_task.atapi_packet[4]) |
3854 				(task->ata_task.atapi_packet[5] << 8) |
3855 				(task->ata_task.atapi_packet[6] << 16) |
3856 				(task->ata_task.atapi_packet[7] << 24)));
3857 			sata_cmd.atapi_scsi_cdb[2] =
3858 				cpu_to_le32(((task->ata_task.atapi_packet[8]) |
3859 				(task->ata_task.atapi_packet[9] << 8) |
3860 				(task->ata_task.atapi_packet[10] << 16) |
3861 				(task->ata_task.atapi_packet[11] << 24)));
3862 			sata_cmd.atapi_scsi_cdb[3] =
3863 				cpu_to_le32(((task->ata_task.atapi_packet[12]) |
3864 				(task->ata_task.atapi_packet[13] << 8) |
3865 				(task->ata_task.atapi_packet[14] << 16) |
3866 				(task->ata_task.atapi_packet[15] << 24)));
3867 	}
3868 
3869 	/* Check for read log for failed drive and return */
3870 	if (sata_cmd.sata_fis.command == 0x2f) {
3871 		if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
3872 			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
3873 			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
3874 			struct task_status_struct *ts;
3875 
3876 			pm8001_ha_dev->id &= 0xDFFFFFFF;
3877 			ts = &task->task_status;
3878 
3879 			spin_lock_irqsave(&task->task_state_lock, flags);
3880 			ts->resp = SAS_TASK_COMPLETE;
3881 			ts->stat = SAM_STAT_GOOD;
3882 			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3883 			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3884 			task->task_state_flags |= SAS_TASK_STATE_DONE;
3885 			if (unlikely((task->task_state_flags &
3886 					SAS_TASK_STATE_ABORTED))) {
3887 				spin_unlock_irqrestore(&task->task_state_lock,
3888 							flags);
3889 				PM8001_FAIL_DBG(pm8001_ha,
3890 					pm8001_printk("task 0x%p resp 0x%x "
3891 					" stat 0x%x but aborted by upper layer "
3892 					"\n", task, ts->resp, ts->stat));
3893 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
3894 				return 0;
3895 			} else if (task->uldd_task) {
3896 				spin_unlock_irqrestore(&task->task_state_lock,
3897 							flags);
3898 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
3899 				mb();/* ditto */
3900 				spin_unlock_irq(&pm8001_ha->lock);
3901 				task->task_done(task);
3902 				spin_lock_irq(&pm8001_ha->lock);
3903 				return 0;
3904 			} else if (!task->uldd_task) {
3905 				spin_unlock_irqrestore(&task->task_state_lock,
3906 							flags);
3907 				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
3908 				mb();/*ditto*/
3909 				spin_unlock_irq(&pm8001_ha->lock);
3910 				task->task_done(task);
3911 				spin_lock_irq(&pm8001_ha->lock);
3912 				return 0;
3913 			}
3914 		}
3915 	}
3916 
3917 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
3918 						&sata_cmd, outb++);
3919 
3920 	/* rotate the outb queue */
3921 	outb = outb%PM8001_MAX_SPCV_OUTB_NUM;
3922 	return ret;
3923 }
3924 
3925 /**
3926  * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
3927  * @pm8001_ha: our hba card information.
3928  * @num: the inbound queue number
3929  * @phy_id: the phy id which we wanted to start up.
3930  */
3931 static int
3932 pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
3933 {
3934 	struct phy_start_req payload;
3935 	struct inbound_queue_table *circularQ;
3936 	int ret;
3937 	u32 tag = 0x01;
3938 	u32 opcode = OPC_INB_PHYSTART;
3939 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3940 	memset(&payload, 0, sizeof(payload));
3941 	payload.tag = cpu_to_le32(tag);
3942 
3943 	PM8001_INIT_DBG(pm8001_ha,
3944 		pm8001_printk("PHY START REQ for phy_id %d\n", phy_id));
3945 	/*
3946 	 ** [0:7]	PHY Identifier
3947 	 ** [8:11]	link rate 1.5G, 3G, 6G
3948 	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b Auto mode
3949 	 ** [14]	0b disable spin up hold; 1b enable spin up hold
3950 	 ** [15] ob no change in current PHY analig setup 1b enable using SPAST
3951 	 */
3952 	if (!IS_SPCV_12G(pm8001_ha->pdev))
3953 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
3954 				LINKMODE_AUTO | LINKRATE_15 |
3955 				LINKRATE_30 | LINKRATE_60 | phy_id);
3956 	else
3957 		payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
3958 				LINKMODE_AUTO | LINKRATE_15 |
3959 				LINKRATE_30 | LINKRATE_60 | LINKRATE_120 |
3960 				phy_id);
3961 
3962 	/* SSC Disable and SAS Analog ST configuration */
3963 	/**
3964 	payload.ase_sh_lm_slr_phyid =
3965 		cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
3966 		LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
3967 		phy_id);
3968 	Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
3969 	**/
3970 
3971 	payload.sas_identify.dev_type = SAS_END_DEVICE;
3972 	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
3973 	memcpy(payload.sas_identify.sas_addr,
3974 		pm8001_ha->sas_addr, SAS_ADDR_SIZE);
3975 	payload.sas_identify.phy_id = phy_id;
3976 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
3977 	return ret;
3978 }
3979 
3980 /**
3981  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
3982  * @pm8001_ha: our hba card information.
3983  * @num: the inbound queue number
3984  * @phy_id: the phy id which we wanted to start up.
3985  */
3986 static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
3987 	u8 phy_id)
3988 {
3989 	struct phy_stop_req payload;
3990 	struct inbound_queue_table *circularQ;
3991 	int ret;
3992 	u32 tag = 0x01;
3993 	u32 opcode = OPC_INB_PHYSTOP;
3994 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3995 	memset(&payload, 0, sizeof(payload));
3996 	payload.tag = cpu_to_le32(tag);
3997 	payload.phy_id = cpu_to_le32(phy_id);
3998 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
3999 	return ret;
4000 }
4001 
4002 /**
4003  * see comments on pm8001_mpi_reg_resp.
4004  */
4005 static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4006 	struct pm8001_device *pm8001_dev, u32 flag)
4007 {
4008 	struct reg_dev_req payload;
4009 	u32	opc;
4010 	u32 stp_sspsmp_sata = 0x4;
4011 	struct inbound_queue_table *circularQ;
4012 	u32 linkrate, phy_id;
4013 	int rc, tag = 0xdeadbeef;
4014 	struct pm8001_ccb_info *ccb;
4015 	u8 retryFlag = 0x1;
4016 	u16 firstBurstSize = 0;
4017 	u16 ITNT = 2000;
4018 	struct domain_device *dev = pm8001_dev->sas_device;
4019 	struct domain_device *parent_dev = dev->parent;
4020 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4021 
4022 	memset(&payload, 0, sizeof(payload));
4023 	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4024 	if (rc)
4025 		return rc;
4026 	ccb = &pm8001_ha->ccb_info[tag];
4027 	ccb->device = pm8001_dev;
4028 	ccb->ccb_tag = tag;
4029 	payload.tag = cpu_to_le32(tag);
4030 
4031 	if (flag == 1) {
4032 		stp_sspsmp_sata = 0x02; /*direct attached sata */
4033 	} else {
4034 		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4035 			stp_sspsmp_sata = 0x00; /* stp*/
4036 		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4037 			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4038 			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4039 			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4040 	}
4041 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4042 		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4043 	else
4044 		phy_id = pm8001_dev->attached_phy;
4045 
4046 	opc = OPC_INB_REG_DEV;
4047 
4048 	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4049 			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4050 
4051 	payload.phyid_portid =
4052 		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4053 		((phy_id & 0xFF) << 8));
4054 
4055 	payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4056 		((linkrate & 0x0F) << 24) |
4057 		((stp_sspsmp_sata & 0x03) << 28));
4058 	payload.firstburstsize_ITNexustimeout =
4059 		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4060 
4061 	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4062 		SAS_ADDR_SIZE);
4063 
4064 	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4065 
4066 	return rc;
4067 }
4068 
4069 /**
4070  * pm80xx_chip_phy_ctl_req - support the local phy operation
4071  * @pm8001_ha: our hba card information.
4072  * @num: the inbound queue number
4073  * @phy_id: the phy id which we wanted to operate
4074  * @phy_op:
4075  */
4076 static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4077 	u32 phyId, u32 phy_op)
4078 {
4079 	struct local_phy_ctl_req payload;
4080 	struct inbound_queue_table *circularQ;
4081 	int ret;
4082 	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4083 	memset(&payload, 0, sizeof(payload));
4084 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4085 	payload.tag = cpu_to_le32(1);
4086 	payload.phyop_phyid =
4087 		cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4088 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4089 	return ret;
4090 }
4091 
4092 static u32 pm80xx_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4093 {
4094 	u32 value;
4095 #ifdef PM8001_USE_MSIX
4096 	return 1;
4097 #endif
4098 	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4099 	if (value)
4100 		return 1;
4101 	return 0;
4102 
4103 }
4104 
4105 /**
4106  * pm8001_chip_isr - PM8001 isr handler.
4107  * @pm8001_ha: our hba card information.
4108  * @irq: irq number.
4109  * @stat: stat.
4110  */
4111 static irqreturn_t
4112 pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4113 {
4114 	pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4115 	process_oq(pm8001_ha, vec);
4116 	pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4117 	return IRQ_HANDLED;
4118 }
4119 
4120 const struct pm8001_dispatch pm8001_80xx_dispatch = {
4121 	.name			= "pmc80xx",
4122 	.chip_init		= pm80xx_chip_init,
4123 	.chip_soft_rst		= pm80xx_chip_soft_rst,
4124 	.chip_rst		= pm80xx_hw_chip_rst,
4125 	.chip_iounmap		= pm8001_chip_iounmap,
4126 	.isr			= pm80xx_chip_isr,
4127 	.is_our_interupt	= pm80xx_chip_is_our_interupt,
4128 	.isr_process_oq		= process_oq,
4129 	.interrupt_enable	= pm80xx_chip_interrupt_enable,
4130 	.interrupt_disable	= pm80xx_chip_interrupt_disable,
4131 	.make_prd		= pm8001_chip_make_sg,
4132 	.smp_req		= pm80xx_chip_smp_req,
4133 	.ssp_io_req		= pm80xx_chip_ssp_io_req,
4134 	.sata_req		= pm80xx_chip_sata_req,
4135 	.phy_start_req		= pm80xx_chip_phy_start_req,
4136 	.phy_stop_req		= pm80xx_chip_phy_stop_req,
4137 	.reg_dev_req		= pm80xx_chip_reg_dev_req,
4138 	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4139 	.phy_ctl_req		= pm80xx_chip_phy_ctl_req,
4140 	.task_abort		= pm8001_chip_abort_task,
4141 	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4142 	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4143 	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4144 	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4145 	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4146 };
4147