1/*
2 * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
3 *
4 * Copyright (c) 2008-2009 USI Co., Ltd.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions, and the following disclaimer,
12 *    without modification.
13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14 *    substantially similar to the "NO WARRANTY" disclaimer below
15 *    ("Disclaimer") and any redistribution must be conditioned upon
16 *    including a substantially similar Disclaimer requirement for further
17 *    binary redistribution.
18 * 3. Neither the names of the above-listed copyright holders nor the names
19 *    of any contributors may be used to endorse or promote products derived
20 *    from this software without specific prior written permission.
21 *
22 * Alternatively, this software may be distributed under the terms of the
23 * GNU General Public License ("GPL") version 2 as published by the Free
24 * Software Foundation.
25 *
26 * NO WARRANTY
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGES.
38 *
39 */
40 #include <linux/slab.h>
41 #include "pm8001_sas.h"
42 #include "pm8001_hwi.h"
43 #include "pm8001_chips.h"
44 #include "pm8001_ctl.h"
45
46/**
47 * read_main_config_table - read the configure table and save it.
48 * @pm8001_ha: our hba card information
49 */
50static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
51{
52	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
53	pm8001_ha->main_cfg_tbl.pm8001_tbl.signature	=
54				pm8001_mr32(address, 0x00);
55	pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
56				pm8001_mr32(address, 0x04);
57	pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev	=
58				pm8001_mr32(address, 0x08);
59	pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io	=
60				pm8001_mr32(address, 0x0C);
61	pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl	=
62				pm8001_mr32(address, 0x10);
63	pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
64				pm8001_mr32(address, 0x14);
65	pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset	=
66				pm8001_mr32(address, 0x18);
67	pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
68		pm8001_mr32(address, MAIN_IBQ_OFFSET);
69	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
70		pm8001_mr32(address, MAIN_OBQ_OFFSET);
71	pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag	=
72		pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
73
74	/* read analog Setting offset from the configuration table */
75	pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
76		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
77
78	/* read Error Dump Offset and Length */
79	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
80		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
81	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
82		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
83	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
84		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
85	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
86		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
87}
88
89/**
90 * read_general_status_table - read the general status table and save it.
91 * @pm8001_ha: our hba card information
92 */
93static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
94{
95	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
96	pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate	=
97				pm8001_mr32(address, 0x00);
98	pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0	=
99				pm8001_mr32(address, 0x04);
100	pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1	=
101				pm8001_mr32(address, 0x08);
102	pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt		=
103				pm8001_mr32(address, 0x0C);
104	pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt		=
105				pm8001_mr32(address, 0x10);
106	pm8001_ha->gs_tbl.pm8001_tbl.rsvd		=
107				pm8001_mr32(address, 0x14);
108	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0]	=
109				pm8001_mr32(address, 0x18);
110	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1]	=
111				pm8001_mr32(address, 0x1C);
112	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2]	=
113				pm8001_mr32(address, 0x20);
114	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3]	=
115				pm8001_mr32(address, 0x24);
116	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4]	=
117				pm8001_mr32(address, 0x28);
118	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5]	=
119				pm8001_mr32(address, 0x2C);
120	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6]	=
121				pm8001_mr32(address, 0x30);
122	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7]	=
123				pm8001_mr32(address, 0x34);
124	pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val	=
125				pm8001_mr32(address, 0x38);
126	pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0]		=
127				pm8001_mr32(address, 0x3C);
128	pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1]		=
129				pm8001_mr32(address, 0x40);
130	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0]	=
131				pm8001_mr32(address, 0x44);
132	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1]	=
133				pm8001_mr32(address, 0x48);
134	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2]	=
135				pm8001_mr32(address, 0x4C);
136	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3]	=
137				pm8001_mr32(address, 0x50);
138	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4]	=
139				pm8001_mr32(address, 0x54);
140	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5]	=
141				pm8001_mr32(address, 0x58);
142	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6]	=
143				pm8001_mr32(address, 0x5C);
144	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7]	=
145				pm8001_mr32(address, 0x60);
146}
147
148/**
149 * read_inbnd_queue_table - read the inbound queue table and save it.
150 * @pm8001_ha: our hba card information
151 */
152static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
153{
154	int i;
155	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
156	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
157		u32 offset = i * 0x20;
158		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
159		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
160		pm8001_ha->inbnd_q_tbl[i].pi_offset =
161			pm8001_mr32(address, (offset + 0x18));
162	}
163}
164
165/**
166 * read_outbnd_queue_table - read the outbound queue table and save it.
167 * @pm8001_ha: our hba card information
168 */
169static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
170{
171	int i;
172	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
173	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
174		u32 offset = i * 0x24;
175		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
176		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
177		pm8001_ha->outbnd_q_tbl[i].ci_offset =
178			pm8001_mr32(address, (offset + 0x18));
179	}
180}
181
182/**
183 * init_default_table_values - init the default table.
184 * @pm8001_ha: our hba card information
185 */
186static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
187{
188	int i;
189	u32 offsetib, offsetob;
190	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
191	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
192
193	pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd		= 0;
194	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3	= 0;
195	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7	= 0;
196	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3	= 0;
197	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7	= 0;
198	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
199									 0;
200	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
201									 0;
202	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
203	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
204	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
205	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
206
207	pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr		=
208		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
209	pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr		=
210		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
211	pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size		=
212		PM8001_EVENT_LOG_SIZE;
213	pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option		= 0x01;
214	pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr	=
215		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
216	pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr	=
217		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
218	pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size		=
219		PM8001_EVENT_LOG_SIZE;
220	pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option		= 0x01;
221	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt		= 0x01;
222	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
223		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
224			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
225		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
226			pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
227		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
228		pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
229		pm8001_ha->inbnd_q_tbl[i].base_virt		=
230			(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
231		pm8001_ha->inbnd_q_tbl[i].total_length		=
232			pm8001_ha->memoryMap.region[IB + i].total_len;
233		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
234			pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
235		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
236			pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
237		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
238			pm8001_ha->memoryMap.region[CI + i].virt_ptr;
239		offsetib = i * 0x20;
240		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
241			get_pci_bar_index(pm8001_mr32(addressib,
242				(offsetib + 0x14)));
243		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
244			pm8001_mr32(addressib, (offsetib + 0x18));
245		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
246		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
247	}
248	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
249		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
250			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
251		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
252			pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
253		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
254			pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
255		pm8001_ha->outbnd_q_tbl[i].base_virt		=
256			(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
257		pm8001_ha->outbnd_q_tbl[i].total_length		=
258			pm8001_ha->memoryMap.region[OB + i].total_len;
259		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
260			pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
261		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
262			pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
263		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay	=
264			0 | (10 << 16) | (i << 24);
265		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
266			pm8001_ha->memoryMap.region[PI + i].virt_ptr;
267		offsetob = i * 0x24;
268		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
269			get_pci_bar_index(pm8001_mr32(addressob,
270			offsetob + 0x14));
271		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
272			pm8001_mr32(addressob, (offsetob + 0x18));
273		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
274		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
275	}
276}
277
278/**
279 * update_main_config_table - update the main default table to the HBA.
280 * @pm8001_ha: our hba card information
281 */
282static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
283{
284	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
285	pm8001_mw32(address, 0x24,
286		pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
287	pm8001_mw32(address, 0x28,
288		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
289	pm8001_mw32(address, 0x2C,
290		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
291	pm8001_mw32(address, 0x30,
292		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
293	pm8001_mw32(address, 0x34,
294		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
295	pm8001_mw32(address, 0x38,
296		pm8001_ha->main_cfg_tbl.pm8001_tbl.
297					outbound_tgt_ITNexus_event_pid0_3);
298	pm8001_mw32(address, 0x3C,
299		pm8001_ha->main_cfg_tbl.pm8001_tbl.
300					outbound_tgt_ITNexus_event_pid4_7);
301	pm8001_mw32(address, 0x40,
302		pm8001_ha->main_cfg_tbl.pm8001_tbl.
303					outbound_tgt_ssp_event_pid0_3);
304	pm8001_mw32(address, 0x44,
305		pm8001_ha->main_cfg_tbl.pm8001_tbl.
306					outbound_tgt_ssp_event_pid4_7);
307	pm8001_mw32(address, 0x48,
308		pm8001_ha->main_cfg_tbl.pm8001_tbl.
309					outbound_tgt_smp_event_pid0_3);
310	pm8001_mw32(address, 0x4C,
311		pm8001_ha->main_cfg_tbl.pm8001_tbl.
312					outbound_tgt_smp_event_pid4_7);
313	pm8001_mw32(address, 0x50,
314		pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
315	pm8001_mw32(address, 0x54,
316		pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
317	pm8001_mw32(address, 0x58,
318		pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
319	pm8001_mw32(address, 0x5C,
320		pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
321	pm8001_mw32(address, 0x60,
322		pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
323	pm8001_mw32(address, 0x64,
324		pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
325	pm8001_mw32(address, 0x68,
326		pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
327	pm8001_mw32(address, 0x6C,
328		pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
329	pm8001_mw32(address, 0x70,
330		pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
331}
332
333/**
334 * update_inbnd_queue_table - update the inbound queue table to the HBA.
335 * @pm8001_ha: our hba card information
336 */
337static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
338				     int number)
339{
340	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
341	u16 offset = number * 0x20;
342	pm8001_mw32(address, offset + 0x00,
343		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
344	pm8001_mw32(address, offset + 0x04,
345		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
346	pm8001_mw32(address, offset + 0x08,
347		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
348	pm8001_mw32(address, offset + 0x0C,
349		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
350	pm8001_mw32(address, offset + 0x10,
351		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
352}
353
354/**
355 * update_outbnd_queue_table - update the outbound queue table to the HBA.
356 * @pm8001_ha: our hba card information
357 */
358static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
359				      int number)
360{
361	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
362	u16 offset = number * 0x24;
363	pm8001_mw32(address, offset + 0x00,
364		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
365	pm8001_mw32(address, offset + 0x04,
366		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
367	pm8001_mw32(address, offset + 0x08,
368		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
369	pm8001_mw32(address, offset + 0x0C,
370		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
371	pm8001_mw32(address, offset + 0x10,
372		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
373	pm8001_mw32(address, offset + 0x1C,
374		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
375}
376
377/**
378 * pm8001_bar4_shift - function is called to shift BAR base address
379 * @pm8001_ha : our hba card infomation
380 * @shiftValue : shifting value in memory bar.
381 */
382int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
383{
384	u32 regVal;
385	unsigned long start;
386
387	/* program the inbound AXI translation Lower Address */
388	pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
389
390	/* confirm the setting is written */
391	start = jiffies + HZ; /* 1 sec */
392	do {
393		regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
394	} while ((regVal != shiftValue) && time_before(jiffies, start));
395
396	if (regVal != shiftValue) {
397		PM8001_INIT_DBG(pm8001_ha,
398			pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
399			" = 0x%x\n", regVal));
400		return -1;
401	}
402	return 0;
403}
404
405/**
406 * mpi_set_phys_g3_with_ssc
407 * @pm8001_ha: our hba card information
408 * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
409 */
410static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
411				     u32 SSCbit)
412{
413	u32 value, offset, i;
414	unsigned long flags;
415
416#define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
417#define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
418#define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
419#define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
420#define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
421#define PHY_G3_WITH_SSC_BIT_SHIFT 13
422#define SNW3_PHY_CAPABILITIES_PARITY 31
423
424   /*
425    * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
426    * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
427    */
428	spin_lock_irqsave(&pm8001_ha->lock, flags);
429	if (-1 == pm8001_bar4_shift(pm8001_ha,
430				SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
431		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
432		return;
433	}
434
435	for (i = 0; i < 4; i++) {
436		offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
437		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
438	}
439	/* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
440	if (-1 == pm8001_bar4_shift(pm8001_ha,
441				SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
442		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
443		return;
444	}
445	for (i = 4; i < 8; i++) {
446		offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
447		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
448	}
449	/*************************************************************
450	Change the SSC upspreading value to 0x0 so that upspreading is disabled.
451	Device MABC SMOD0 Controls
452	Address: (via MEMBASE-III):
453	Using shifted destination address 0x0_0000: with Offset 0xD8
454
455	31:28 R/W Reserved Do not change
456	27:24 R/W SAS_SMOD_SPRDUP 0000
457	23:20 R/W SAS_SMOD_SPRDDN 0000
458	19:0  R/W  Reserved Do not change
459	Upon power-up this register will read as 0x8990c016,
460	and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
461	so that the written value will be 0x8090c016.
462	This will ensure only down-spreading SSC is enabled on the SPC.
463	*************************************************************/
464	value = pm8001_cr32(pm8001_ha, 2, 0xd8);
465	pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
466
467	/*set the shifted destination address to 0x0 to avoid error operation */
468	pm8001_bar4_shift(pm8001_ha, 0x0);
469	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
470	return;
471}
472
473/**
474 * mpi_set_open_retry_interval_reg
475 * @pm8001_ha: our hba card information
476 * @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
477 */
478static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
479					    u32 interval)
480{
481	u32 offset;
482	u32 value;
483	u32 i;
484	unsigned long flags;
485
486#define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
487#define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
488#define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
489#define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
490#define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
491
492	value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
493	spin_lock_irqsave(&pm8001_ha->lock, flags);
494	/* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
495	if (-1 == pm8001_bar4_shift(pm8001_ha,
496			     OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
497		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
498		return;
499	}
500	for (i = 0; i < 4; i++) {
501		offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
502		pm8001_cw32(pm8001_ha, 2, offset, value);
503	}
504
505	if (-1 == pm8001_bar4_shift(pm8001_ha,
506			     OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
507		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
508		return;
509	}
510	for (i = 4; i < 8; i++) {
511		offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
512		pm8001_cw32(pm8001_ha, 2, offset, value);
513	}
514	/*set the shifted destination address to 0x0 to avoid error operation */
515	pm8001_bar4_shift(pm8001_ha, 0x0);
516	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
517	return;
518}
519
520/**
521 * mpi_init_check - check firmware initialization status.
522 * @pm8001_ha: our hba card information
523 */
524static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
525{
526	u32 max_wait_count;
527	u32 value;
528	u32 gst_len_mpistate;
529	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
530	table is updated */
531	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
532	/* wait until Inbound DoorBell Clear Register toggled */
533	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
534	do {
535		udelay(1);
536		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
537		value &= SPC_MSGU_CFG_TABLE_UPDATE;
538	} while ((value != 0) && (--max_wait_count));
539
540	if (!max_wait_count)
541		return -1;
542	/* check the MPI-State for initialization */
543	gst_len_mpistate =
544		pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
545		GST_GSTLEN_MPIS_OFFSET);
546	if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
547		return -1;
548	/* check MPI Initialization error */
549	gst_len_mpistate = gst_len_mpistate >> 16;
550	if (0x0000 != gst_len_mpistate)
551		return -1;
552	return 0;
553}
554
555/**
556 * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
557 * @pm8001_ha: our hba card information
558 */
559static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
560{
561	u32 value, value1;
562	u32 max_wait_count;
563	/* check error state */
564	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
565	value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
566	/* check AAP error */
567	if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
568		/* error state */
569		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
570		return -1;
571	}
572
573	/* check IOP error */
574	if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
575		/* error state */
576		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
577		return -1;
578	}
579
580	/* bit 4-31 of scratch pad1 should be zeros if it is not
581	in error state*/
582	if (value & SCRATCH_PAD1_STATE_MASK) {
583		/* error case */
584		pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
585		return -1;
586	}
587
588	/* bit 2, 4-31 of scratch pad2 should be zeros if it is not
589	in error state */
590	if (value1 & SCRATCH_PAD2_STATE_MASK) {
591		/* error case */
592		return -1;
593	}
594
595	max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
596
597	/* wait until scratch pad 1 and 2 registers in ready state  */
598	do {
599		udelay(1);
600		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
601			& SCRATCH_PAD1_RDY;
602		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
603			& SCRATCH_PAD2_RDY;
604		if ((--max_wait_count) == 0)
605			return -1;
606	} while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
607	return 0;
608}
609
610static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
611{
612	void __iomem *base_addr;
613	u32	value;
614	u32	offset;
615	u32	pcibar;
616	u32	pcilogic;
617
618	value = pm8001_cr32(pm8001_ha, 0, 0x44);
619	offset = value & 0x03FFFFFF;
620	PM8001_INIT_DBG(pm8001_ha,
621		pm8001_printk("Scratchpad 0 Offset: %x\n", offset));
622	pcilogic = (value & 0xFC000000) >> 26;
623	pcibar = get_pci_bar_index(pcilogic);
624	PM8001_INIT_DBG(pm8001_ha,
625		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
626	pm8001_ha->main_cfg_tbl_addr = base_addr =
627		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
628	pm8001_ha->general_stat_tbl_addr =
629		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
630	pm8001_ha->inbnd_q_tbl_addr =
631		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
632	pm8001_ha->outbnd_q_tbl_addr =
633		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
634}
635
636/**
637 * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
638 * @pm8001_ha: our hba card information
639 */
640static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
641{
642	u8 i = 0;
643	u16 deviceid;
644	pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
645	/* 8081 controllers need BAR shift to access MPI space
646	* as this is shared with BIOS data */
647	if (deviceid == 0x8081 || deviceid == 0x0042) {
648		if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
649			PM8001_FAIL_DBG(pm8001_ha,
650				pm8001_printk("Shift Bar4 to 0x%x failed\n",
651					GSM_SM_BASE));
652			return -1;
653		}
654	}
655	/* check the firmware status */
656	if (-1 == check_fw_ready(pm8001_ha)) {
657		PM8001_FAIL_DBG(pm8001_ha,
658			pm8001_printk("Firmware is not ready!\n"));
659		return -EBUSY;
660	}
661
662	/* Initialize pci space address eg: mpi offset */
663	init_pci_device_addresses(pm8001_ha);
664	init_default_table_values(pm8001_ha);
665	read_main_config_table(pm8001_ha);
666	read_general_status_table(pm8001_ha);
667	read_inbnd_queue_table(pm8001_ha);
668	read_outbnd_queue_table(pm8001_ha);
669	/* update main config table ,inbound table and outbound table */
670	update_main_config_table(pm8001_ha);
671	for (i = 0; i < PM8001_MAX_INB_NUM; i++)
672		update_inbnd_queue_table(pm8001_ha, i);
673	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++)
674		update_outbnd_queue_table(pm8001_ha, i);
675	/* 8081 controller donot require these operations */
676	if (deviceid != 0x8081 && deviceid != 0x0042) {
677		mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
678		/* 7->130ms, 34->500ms, 119->1.5s */
679		mpi_set_open_retry_interval_reg(pm8001_ha, 119);
680	}
681	/* notify firmware update finished and check initialization status */
682	if (0 == mpi_init_check(pm8001_ha)) {
683		PM8001_INIT_DBG(pm8001_ha,
684			pm8001_printk("MPI initialize successful!\n"));
685	} else
686		return -EBUSY;
687	/*This register is a 16-bit timer with a resolution of 1us. This is the
688	timer used for interrupt delay/coalescing in the PCIe Application Layer.
689	Zero is not a valid value. A value of 1 in the register will cause the
690	interrupts to be normal. A value greater than 1 will cause coalescing
691	delays.*/
692	pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
693	pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
694	return 0;
695}
696
697static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
698{
699	u32 max_wait_count;
700	u32 value;
701	u32 gst_len_mpistate;
702	u16 deviceid;
703	pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
704	if (deviceid == 0x8081 || deviceid == 0x0042) {
705		if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
706			PM8001_FAIL_DBG(pm8001_ha,
707				pm8001_printk("Shift Bar4 to 0x%x failed\n",
708					GSM_SM_BASE));
709			return -1;
710		}
711	}
712	init_pci_device_addresses(pm8001_ha);
713	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
714	table is stop */
715	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
716
717	/* wait until Inbound DoorBell Clear Register toggled */
718	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
719	do {
720		udelay(1);
721		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
722		value &= SPC_MSGU_CFG_TABLE_RESET;
723	} while ((value != 0) && (--max_wait_count));
724
725	if (!max_wait_count) {
726		PM8001_FAIL_DBG(pm8001_ha,
727			pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
728		return -1;
729	}
730
731	/* check the MPI-State for termination in progress */
732	/* wait until Inbound DoorBell Clear Register toggled */
733	max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
734	do {
735		udelay(1);
736		gst_len_mpistate =
737			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
738			GST_GSTLEN_MPIS_OFFSET);
739		if (GST_MPI_STATE_UNINIT ==
740			(gst_len_mpistate & GST_MPI_STATE_MASK))
741			break;
742	} while (--max_wait_count);
743	if (!max_wait_count) {
744		PM8001_FAIL_DBG(pm8001_ha,
745			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
746				gst_len_mpistate & GST_MPI_STATE_MASK));
747		return -1;
748	}
749	return 0;
750}
751
752/**
753 * soft_reset_ready_check - Function to check FW is ready for soft reset.
754 * @pm8001_ha: our hba card information
755 */
756static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
757{
758	u32 regVal, regVal1, regVal2;
759	if (mpi_uninit_check(pm8001_ha) != 0) {
760		PM8001_FAIL_DBG(pm8001_ha,
761			pm8001_printk("MPI state is not ready\n"));
762		return -1;
763	}
764	/* read the scratch pad 2 register bit 2 */
765	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
766		& SCRATCH_PAD2_FWRDY_RST;
767	if (regVal == SCRATCH_PAD2_FWRDY_RST) {
768		PM8001_INIT_DBG(pm8001_ha,
769			pm8001_printk("Firmware is ready for reset .\n"));
770	} else {
771		unsigned long flags;
772		/* Trigger NMI twice via RB6 */
773		spin_lock_irqsave(&pm8001_ha->lock, flags);
774		if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
775			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
776			PM8001_FAIL_DBG(pm8001_ha,
777				pm8001_printk("Shift Bar4 to 0x%x failed\n",
778					RB6_ACCESS_REG));
779			return -1;
780		}
781		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
782			RB6_MAGIC_NUMBER_RST);
783		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
784		/* wait for 100 ms */
785		mdelay(100);
786		regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
787			SCRATCH_PAD2_FWRDY_RST;
788		if (regVal != SCRATCH_PAD2_FWRDY_RST) {
789			regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
790			regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
791			PM8001_FAIL_DBG(pm8001_ha,
792				pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
793				"=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
794				regVal1, regVal2));
795			PM8001_FAIL_DBG(pm8001_ha,
796				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
797				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
798			PM8001_FAIL_DBG(pm8001_ha,
799				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
800				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
801			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
802			return -1;
803		}
804		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
805	}
806	return 0;
807}
808
809/**
810 * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
811 * the FW register status to the originated status.
812 * @pm8001_ha: our hba card information
813 */
814static int
815pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
816{
817	u32	regVal, toggleVal;
818	u32	max_wait_count;
819	u32	regVal1, regVal2, regVal3;
820	u32	signature = 0x252acbcd; /* for host scratch pad0 */
821	unsigned long flags;
822
823	/* step1: Check FW is ready for soft reset */
824	if (soft_reset_ready_check(pm8001_ha) != 0) {
825		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
826		return -1;
827	}
828
829	/* step 2: clear NMI status register on AAP1 and IOP, write the same
830	value to clear */
831	/* map 0x60000 to BAR4(0x20), BAR2(win) */
832	spin_lock_irqsave(&pm8001_ha->lock, flags);
833	if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
834		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
835		PM8001_FAIL_DBG(pm8001_ha,
836			pm8001_printk("Shift Bar4 to 0x%x failed\n",
837			MBIC_AAP1_ADDR_BASE));
838		return -1;
839	}
840	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
841	PM8001_INIT_DBG(pm8001_ha,
842		pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
843	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
844	/* map 0x70000 to BAR4(0x20), BAR2(win) */
845	if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
846		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
847		PM8001_FAIL_DBG(pm8001_ha,
848			pm8001_printk("Shift Bar4 to 0x%x failed\n",
849			MBIC_IOP_ADDR_BASE));
850		return -1;
851	}
852	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
853	PM8001_INIT_DBG(pm8001_ha,
854		pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
855	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
856
857	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
858	PM8001_INIT_DBG(pm8001_ha,
859		pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
860	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
861
862	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
863	PM8001_INIT_DBG(pm8001_ha,
864		pm8001_printk("PCIE - Event Interrupt  = 0x%x\n", regVal));
865	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
866
867	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
868	PM8001_INIT_DBG(pm8001_ha,
869		pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
870	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
871
872	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
873	PM8001_INIT_DBG(pm8001_ha,
874		pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
875	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
876
877	/* read the scratch pad 1 register bit 2 */
878	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
879		& SCRATCH_PAD1_RST;
880	toggleVal = regVal ^ SCRATCH_PAD1_RST;
881
882	/* set signature in host scratch pad0 register to tell SPC that the
883	host performs the soft reset */
884	pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
885
886	/* read required registers for confirmming */
887	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
888	if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
889		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
890		PM8001_FAIL_DBG(pm8001_ha,
891			pm8001_printk("Shift Bar4 to 0x%x failed\n",
892			GSM_ADDR_BASE));
893		return -1;
894	}
895	PM8001_INIT_DBG(pm8001_ha,
896		pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
897		" Reset = 0x%x\n",
898		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
899
900	/* step 3: host read GSM Configuration and Reset register */
901	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
902	/* Put those bits to low */
903	/* GSM XCBI offset = 0x70 0000
904	0x00 Bit 13 COM_SLV_SW_RSTB 1
905	0x00 Bit 12 QSSP_SW_RSTB 1
906	0x00 Bit 11 RAAE_SW_RSTB 1
907	0x00 Bit 9 RB_1_SW_RSTB 1
908	0x00 Bit 8 SM_SW_RSTB 1
909	*/
910	regVal &= ~(0x00003b00);
911	/* host write GSM Configuration and Reset register */
912	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
913	PM8001_INIT_DBG(pm8001_ha,
914		pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
915		"Configuration and Reset is set to = 0x%x\n",
916		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
917
918	/* step 4: */
919	/* disable GSM - Read Address Parity Check */
920	regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
921	PM8001_INIT_DBG(pm8001_ha,
922		pm8001_printk("GSM 0x700038 - Read Address Parity Check "
923		"Enable = 0x%x\n", regVal1));
924	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
925	PM8001_INIT_DBG(pm8001_ha,
926		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
927		"is set to = 0x%x\n",
928		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
929
930	/* disable GSM - Write Address Parity Check */
931	regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
932	PM8001_INIT_DBG(pm8001_ha,
933		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
934		" Enable = 0x%x\n", regVal2));
935	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
936	PM8001_INIT_DBG(pm8001_ha,
937		pm8001_printk("GSM 0x700040 - Write Address Parity Check "
938		"Enable is set to = 0x%x\n",
939		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
940
941	/* disable GSM - Write Data Parity Check */
942	regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
943	PM8001_INIT_DBG(pm8001_ha,
944		pm8001_printk("GSM 0x300048 - Write Data Parity Check"
945		" Enable = 0x%x\n", regVal3));
946	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
947	PM8001_INIT_DBG(pm8001_ha,
948		pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
949		"is set to = 0x%x\n",
950	pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
951
952	/* step 5: delay 10 usec */
953	udelay(10);
954	/* step 5-b: set GPIO-0 output control to tristate anyway */
955	if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
956		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
957		PM8001_INIT_DBG(pm8001_ha,
958				pm8001_printk("Shift Bar4 to 0x%x failed\n",
959				GPIO_ADDR_BASE));
960		return -1;
961	}
962	regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
963		PM8001_INIT_DBG(pm8001_ha,
964				pm8001_printk("GPIO Output Control Register:"
965				" = 0x%x\n", regVal));
966	/* set GPIO-0 output control to tri-state */
967	regVal &= 0xFFFFFFFC;
968	pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
969
970	/* Step 6: Reset the IOP and AAP1 */
971	/* map 0x00000 to BAR4(0x20), BAR2(win) */
972	if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
973		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
974		PM8001_FAIL_DBG(pm8001_ha,
975			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
976			SPC_TOP_LEVEL_ADDR_BASE));
977		return -1;
978	}
979	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
980	PM8001_INIT_DBG(pm8001_ha,
981		pm8001_printk("Top Register before resetting IOP/AAP1"
982		":= 0x%x\n", regVal));
983	regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
984	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
985
986	/* step 7: Reset the BDMA/OSSP */
987	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
988	PM8001_INIT_DBG(pm8001_ha,
989		pm8001_printk("Top Register before resetting BDMA/OSSP"
990		": = 0x%x\n", regVal));
991	regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
992	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
993
994	/* step 8: delay 10 usec */
995	udelay(10);
996
997	/* step 9: bring the BDMA and OSSP out of reset */
998	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
999	PM8001_INIT_DBG(pm8001_ha,
1000		pm8001_printk("Top Register before bringing up BDMA/OSSP"
1001		":= 0x%x\n", regVal));
1002	regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
1003	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1004
1005	/* step 10: delay 10 usec */
1006	udelay(10);
1007
1008	/* step 11: reads and sets the GSM Configuration and Reset Register */
1009	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
1010	if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
1011		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1012		PM8001_FAIL_DBG(pm8001_ha,
1013			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
1014			GSM_ADDR_BASE));
1015		return -1;
1016	}
1017	PM8001_INIT_DBG(pm8001_ha,
1018		pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
1019		"Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
1020	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
1021	/* Put those bits to high */
1022	/* GSM XCBI offset = 0x70 0000
1023	0x00 Bit 13 COM_SLV_SW_RSTB 1
1024	0x00 Bit 12 QSSP_SW_RSTB 1
1025	0x00 Bit 11 RAAE_SW_RSTB 1
1026	0x00 Bit 9   RB_1_SW_RSTB 1
1027	0x00 Bit 8   SM_SW_RSTB 1
1028	*/
1029	regVal |= (GSM_CONFIG_RESET_VALUE);
1030	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
1031	PM8001_INIT_DBG(pm8001_ha,
1032		pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
1033		" Configuration and Reset is set to = 0x%x\n",
1034		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
1035
1036	/* step 12: Restore GSM - Read Address Parity Check */
1037	regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
1038	/* just for debugging */
1039	PM8001_INIT_DBG(pm8001_ha,
1040		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
1041		" = 0x%x\n", regVal));
1042	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
1043	PM8001_INIT_DBG(pm8001_ha,
1044		pm8001_printk("GSM 0x700038 - Read Address Parity"
1045		" Check Enable is set to = 0x%x\n",
1046		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
1047	/* Restore GSM - Write Address Parity Check */
1048	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
1049	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
1050	PM8001_INIT_DBG(pm8001_ha,
1051		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
1052		" Enable is set to = 0x%x\n",
1053		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
1054	/* Restore GSM - Write Data Parity Check */
1055	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
1056	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
1057	PM8001_INIT_DBG(pm8001_ha,
1058		pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
1059		"is set to = 0x%x\n",
1060		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
1061
1062	/* step 13: bring the IOP and AAP1 out of reset */
1063	/* map 0x00000 to BAR4(0x20), BAR2(win) */
1064	if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1065		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1066		PM8001_FAIL_DBG(pm8001_ha,
1067			pm8001_printk("Shift Bar4 to 0x%x failed\n",
1068			SPC_TOP_LEVEL_ADDR_BASE));
1069		return -1;
1070	}
1071	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1072	regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1073	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1074
1075	/* step 14: delay 10 usec - Normal Mode */
1076	udelay(10);
1077	/* check Soft Reset Normal mode or Soft Reset HDA mode */
1078	if (signature == SPC_SOFT_RESET_SIGNATURE) {
1079		/* step 15 (Normal Mode): wait until scratch pad1 register
1080		bit 2 toggled */
1081		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1082		do {
1083			udelay(1);
1084			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1085				SCRATCH_PAD1_RST;
1086		} while ((regVal != toggleVal) && (--max_wait_count));
1087
1088		if (!max_wait_count) {
1089			regVal = pm8001_cr32(pm8001_ha, 0,
1090				MSGU_SCRATCH_PAD_1);
1091			PM8001_FAIL_DBG(pm8001_ha,
1092				pm8001_printk("TIMEOUT : ToggleVal 0x%x,"
1093				"MSGU_SCRATCH_PAD1 = 0x%x\n",
1094				toggleVal, regVal));
1095			PM8001_FAIL_DBG(pm8001_ha,
1096				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1097				pm8001_cr32(pm8001_ha, 0,
1098				MSGU_SCRATCH_PAD_0)));
1099			PM8001_FAIL_DBG(pm8001_ha,
1100				pm8001_printk("SCRATCH_PAD2 value = 0x%x\n",
1101				pm8001_cr32(pm8001_ha, 0,
1102				MSGU_SCRATCH_PAD_2)));
1103			PM8001_FAIL_DBG(pm8001_ha,
1104				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1105				pm8001_cr32(pm8001_ha, 0,
1106				MSGU_SCRATCH_PAD_3)));
1107			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1108			return -1;
1109		}
1110
1111		/* step 16 (Normal) - Clear ODMR and ODCR */
1112		pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1113		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1114
1115		/* step 17 (Normal Mode): wait for the FW and IOP to get
1116		ready - 1 sec timeout */
1117		/* Wait for the SPC Configuration Table to be ready */
1118		if (check_fw_ready(pm8001_ha) == -1) {
1119			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1120			/* return error if MPI Configuration Table not ready */
1121			PM8001_INIT_DBG(pm8001_ha,
1122				pm8001_printk("FW not ready SCRATCH_PAD1"
1123				" = 0x%x\n", regVal));
1124			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1125			/* return error if MPI Configuration Table not ready */
1126			PM8001_INIT_DBG(pm8001_ha,
1127				pm8001_printk("FW not ready SCRATCH_PAD2"
1128				" = 0x%x\n", regVal));
1129			PM8001_INIT_DBG(pm8001_ha,
1130				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1131				pm8001_cr32(pm8001_ha, 0,
1132				MSGU_SCRATCH_PAD_0)));
1133			PM8001_INIT_DBG(pm8001_ha,
1134				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1135				pm8001_cr32(pm8001_ha, 0,
1136				MSGU_SCRATCH_PAD_3)));
1137			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1138			return -1;
1139		}
1140	}
1141	pm8001_bar4_shift(pm8001_ha, 0);
1142	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1143
1144	PM8001_INIT_DBG(pm8001_ha,
1145		pm8001_printk("SPC soft reset Complete\n"));
1146	return 0;
1147}
1148
1149static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1150{
1151	u32 i;
1152	u32 regVal;
1153	PM8001_INIT_DBG(pm8001_ha,
1154		pm8001_printk("chip reset start\n"));
1155
1156	/* do SPC chip reset. */
1157	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1158	regVal &= ~(SPC_REG_RESET_DEVICE);
1159	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1160
1161	/* delay 10 usec */
1162	udelay(10);
1163
1164	/* bring chip reset out of reset */
1165	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1166	regVal |= SPC_REG_RESET_DEVICE;
1167	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1168
1169	/* delay 10 usec */
1170	udelay(10);
1171
1172	/* wait for 20 msec until the firmware gets reloaded */
1173	i = 20;
1174	do {
1175		mdelay(1);
1176	} while ((--i) != 0);
1177
1178	PM8001_INIT_DBG(pm8001_ha,
1179		pm8001_printk("chip reset finished\n"));
1180}
1181
1182/**
1183 * pm8001_chip_iounmap - which maped when initialized.
1184 * @pm8001_ha: our hba card information
1185 */
1186void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1187{
1188	s8 bar, logical = 0;
1189	for (bar = 0; bar < 6; bar++) {
1190		/*
1191		** logical BARs for SPC:
1192		** bar 0 and 1 - logical BAR0
1193		** bar 2 and 3 - logical BAR1
1194		** bar4 - logical BAR2
1195		** bar5 - logical BAR3
1196		** Skip the appropriate assignments:
1197		*/
1198		if ((bar == 1) || (bar == 3))
1199			continue;
1200		if (pm8001_ha->io_mem[logical].memvirtaddr) {
1201			iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1202			logical++;
1203		}
1204	}
1205}
1206
1207/**
1208 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1209 * @pm8001_ha: our hba card information
1210 */
1211static void
1212pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1213{
1214	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1215	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1216}
1217
1218 /**
1219  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1220  * @pm8001_ha: our hba card information
1221  */
1222static void
1223pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1224{
1225	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1226}
1227
1228/**
1229 * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1230 * @pm8001_ha: our hba card information
1231 */
1232static void
1233pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1234	u32 int_vec_idx)
1235{
1236	u32 msi_index;
1237	u32 value;
1238	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1239	msi_index += MSIX_TABLE_BASE;
1240	pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1241	value = (1 << int_vec_idx);
1242	pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1243
1244}
1245
1246/**
1247 * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1248 * @pm8001_ha: our hba card information
1249 */
1250static void
1251pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1252	u32 int_vec_idx)
1253{
1254	u32 msi_index;
1255	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1256	msi_index += MSIX_TABLE_BASE;
1257	pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1258}
1259
1260/**
1261 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1262 * @pm8001_ha: our hba card information
1263 */
1264static void
1265pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1266{
1267#ifdef PM8001_USE_MSIX
1268	pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1269	return;
1270#endif
1271	pm8001_chip_intx_interrupt_enable(pm8001_ha);
1272
1273}
1274
1275/**
1276 * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1277 * @pm8001_ha: our hba card information
1278 */
1279static void
1280pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1281{
1282#ifdef PM8001_USE_MSIX
1283	pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1284	return;
1285#endif
1286	pm8001_chip_intx_interrupt_disable(pm8001_ha);
1287
1288}
1289
1290/**
1291 * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1292 * inbound queue.
1293 * @circularQ: the inbound queue  we want to transfer to HBA.
1294 * @messageSize: the message size of this transfer, normally it is 64 bytes
1295 * @messagePtr: the pointer to message.
1296 */
1297int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1298			    u16 messageSize, void **messagePtr)
1299{
1300	u32 offset, consumer_index;
1301	struct mpi_msg_hdr *msgHeader;
1302	u8 bcCount = 1; /* only support single buffer */
1303
1304	/* Checks is the requested message size can be allocated in this queue*/
1305	if (messageSize > IOMB_SIZE_SPCV) {
1306		*messagePtr = NULL;
1307		return -1;
1308	}
1309
1310	/* Stores the new consumer index */
1311	consumer_index = pm8001_read_32(circularQ->ci_virt);
1312	circularQ->consumer_index = cpu_to_le32(consumer_index);
1313	if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1314		le32_to_cpu(circularQ->consumer_index)) {
1315		*messagePtr = NULL;
1316		return -1;
1317	}
1318	/* get memory IOMB buffer address */
1319	offset = circularQ->producer_idx * messageSize;
1320	/* increment to next bcCount element */
1321	circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1322				% PM8001_MPI_QUEUE;
1323	/* Adds that distance to the base of the region virtual address plus
1324	the message header size*/
1325	msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt	+ offset);
1326	*messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1327	return 0;
1328}
1329
1330/**
1331 * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1332 * FW to tell the fw to get this message from IOMB.
1333 * @pm8001_ha: our hba card information
1334 * @circularQ: the inbound queue we want to transfer to HBA.
1335 * @opCode: the operation code represents commands which LLDD and fw recognized.
1336 * @payload: the command payload of each operation command.
1337 */
1338int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1339			 struct inbound_queue_table *circularQ,
1340			 u32 opCode, void *payload, u32 responseQueue)
1341{
1342	u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1343	void *pMessage;
1344
1345	if (pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1346		&pMessage) < 0) {
1347		PM8001_IO_DBG(pm8001_ha,
1348			pm8001_printk("No free mpi buffer\n"));
1349		return -ENOMEM;
1350	}
1351	BUG_ON(!payload);
1352	/*Copy to the payload*/
1353	memcpy(pMessage, payload, (pm8001_ha->iomb_size -
1354				sizeof(struct mpi_msg_hdr)));
1355
1356	/*Build the header*/
1357	Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1358		| ((responseQueue & 0x3F) << 16)
1359		| ((category & 0xF) << 12) | (opCode & 0xFFF));
1360
1361	pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1362	/*Update the PI to the firmware*/
1363	pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1364		circularQ->pi_offset, circularQ->producer_idx);
1365	PM8001_IO_DBG(pm8001_ha,
1366		pm8001_printk("INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1367			responseQueue, opCode, circularQ->producer_idx,
1368			circularQ->consumer_index));
1369	return 0;
1370}
1371
1372u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1373			    struct outbound_queue_table *circularQ, u8 bc)
1374{
1375	u32 producer_index;
1376	struct mpi_msg_hdr *msgHeader;
1377	struct mpi_msg_hdr *pOutBoundMsgHeader;
1378
1379	msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1380	pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1381				circularQ->consumer_idx * pm8001_ha->iomb_size);
1382	if (pOutBoundMsgHeader != msgHeader) {
1383		PM8001_FAIL_DBG(pm8001_ha,
1384			pm8001_printk("consumer_idx = %d msgHeader = %p\n",
1385			circularQ->consumer_idx, msgHeader));
1386
1387		/* Update the producer index from SPC */
1388		producer_index = pm8001_read_32(circularQ->pi_virt);
1389		circularQ->producer_index = cpu_to_le32(producer_index);
1390		PM8001_FAIL_DBG(pm8001_ha,
1391			pm8001_printk("consumer_idx = %d producer_index = %d"
1392			"msgHeader = %p\n", circularQ->consumer_idx,
1393			circularQ->producer_index, msgHeader));
1394		return 0;
1395	}
1396	/* free the circular queue buffer elements associated with the message*/
1397	circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1398				% PM8001_MPI_QUEUE;
1399	/* update the CI of outbound queue */
1400	pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1401		circularQ->consumer_idx);
1402	/* Update the producer index from SPC*/
1403	producer_index = pm8001_read_32(circularQ->pi_virt);
1404	circularQ->producer_index = cpu_to_le32(producer_index);
1405	PM8001_IO_DBG(pm8001_ha,
1406		pm8001_printk(" CI=%d PI=%d\n", circularQ->consumer_idx,
1407		circularQ->producer_index));
1408	return 0;
1409}
1410
1411/**
1412 * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1413 * message table.
1414 * @pm8001_ha: our hba card information
1415 * @circularQ: the outbound queue  table.
1416 * @messagePtr1: the message contents of this outbound message.
1417 * @pBC: the message size.
1418 */
1419u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1420			   struct outbound_queue_table *circularQ,
1421			   void **messagePtr1, u8 *pBC)
1422{
1423	struct mpi_msg_hdr	*msgHeader;
1424	__le32	msgHeader_tmp;
1425	u32 header_tmp;
1426	do {
1427		/* If there are not-yet-delivered messages ... */
1428		if (le32_to_cpu(circularQ->producer_index)
1429			!= circularQ->consumer_idx) {
1430			/*Get the pointer to the circular queue buffer element*/
1431			msgHeader = (struct mpi_msg_hdr *)
1432				(circularQ->base_virt +
1433				circularQ->consumer_idx * pm8001_ha->iomb_size);
1434			/* read header */
1435			header_tmp = pm8001_read_32(msgHeader);
1436			msgHeader_tmp = cpu_to_le32(header_tmp);
1437			if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1438				if (OPC_OUB_SKIP_ENTRY !=
1439					(le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1440					*messagePtr1 =
1441						((u8 *)msgHeader) +
1442						sizeof(struct mpi_msg_hdr);
1443					*pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1444						>> 24) & 0x1f);
1445					PM8001_IO_DBG(pm8001_ha,
1446						pm8001_printk(": CI=%d PI=%d "
1447						"msgHeader=%x\n",
1448						circularQ->consumer_idx,
1449						circularQ->producer_index,
1450						msgHeader_tmp));
1451					return MPI_IO_STATUS_SUCCESS;
1452				} else {
1453					circularQ->consumer_idx =
1454						(circularQ->consumer_idx +
1455						((le32_to_cpu(msgHeader_tmp)
1456						 >> 24) & 0x1f))
1457							% PM8001_MPI_QUEUE;
1458					msgHeader_tmp = 0;
1459					pm8001_write_32(msgHeader, 0, 0);
1460					/* update the CI of outbound queue */
1461					pm8001_cw32(pm8001_ha,
1462						circularQ->ci_pci_bar,
1463						circularQ->ci_offset,
1464						circularQ->consumer_idx);
1465				}
1466			} else {
1467				circularQ->consumer_idx =
1468					(circularQ->consumer_idx +
1469					((le32_to_cpu(msgHeader_tmp) >> 24) &
1470					0x1f)) % PM8001_MPI_QUEUE;
1471				msgHeader_tmp = 0;
1472				pm8001_write_32(msgHeader, 0, 0);
1473				/* update the CI of outbound queue */
1474				pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1475					circularQ->ci_offset,
1476					circularQ->consumer_idx);
1477				return MPI_IO_STATUS_FAIL;
1478			}
1479		} else {
1480			u32 producer_index;
1481			void *pi_virt = circularQ->pi_virt;
1482			/* Update the producer index from SPC */
1483			producer_index = pm8001_read_32(pi_virt);
1484			circularQ->producer_index = cpu_to_le32(producer_index);
1485		}
1486	} while (le32_to_cpu(circularQ->producer_index) !=
1487		circularQ->consumer_idx);
1488	/* while we don't have any more not-yet-delivered message */
1489	/* report empty */
1490	return MPI_IO_STATUS_BUSY;
1491}
1492
1493void pm8001_work_fn(struct work_struct *work)
1494{
1495	struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1496	struct pm8001_device *pm8001_dev;
1497	struct domain_device *dev;
1498
1499	/*
1500	 * So far, all users of this stash an associated structure here.
1501	 * If we get here, and this pointer is null, then the action
1502	 * was cancelled. This nullification happens when the device
1503	 * goes away.
1504	 */
1505	pm8001_dev = pw->data; /* Most stash device structure */
1506	if ((pm8001_dev == NULL)
1507	 || ((pw->handler != IO_XFER_ERROR_BREAK)
1508	  && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1509		kfree(pw);
1510		return;
1511	}
1512
1513	switch (pw->handler) {
1514	case IO_XFER_ERROR_BREAK:
1515	{	/* This one stashes the sas_task instead */
1516		struct sas_task *t = (struct sas_task *)pm8001_dev;
1517		u32 tag;
1518		struct pm8001_ccb_info *ccb;
1519		struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1520		unsigned long flags, flags1;
1521		struct task_status_struct *ts;
1522		int i;
1523
1524		if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1525			break; /* Task still on lu */
1526		spin_lock_irqsave(&pm8001_ha->lock, flags);
1527
1528		spin_lock_irqsave(&t->task_state_lock, flags1);
1529		if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1530			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1531			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1532			break; /* Task got completed by another */
1533		}
1534		spin_unlock_irqrestore(&t->task_state_lock, flags1);
1535
1536		/* Search for a possible ccb that matches the task */
1537		for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1538			ccb = &pm8001_ha->ccb_info[i];
1539			tag = ccb->ccb_tag;
1540			if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1541				break;
1542		}
1543		if (!ccb) {
1544			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1545			break; /* Task got freed by another */
1546		}
1547		ts = &t->task_status;
1548		ts->resp = SAS_TASK_COMPLETE;
1549		/* Force the midlayer to retry */
1550		ts->stat = SAS_QUEUE_FULL;
1551		pm8001_dev = ccb->device;
1552		if (pm8001_dev)
1553			pm8001_dev->running_req--;
1554		spin_lock_irqsave(&t->task_state_lock, flags1);
1555		t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1556		t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1557		t->task_state_flags |= SAS_TASK_STATE_DONE;
1558		if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1559			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1560			PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p"
1561				" done with event 0x%x resp 0x%x stat 0x%x but"
1562				" aborted by upper layer!\n",
1563				t, pw->handler, ts->resp, ts->stat));
1564			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1565			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1566		} else {
1567			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1568			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1569			mb();/* in order to force CPU ordering */
1570			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1571			t->task_done(t);
1572		}
1573	}	break;
1574	case IO_XFER_OPEN_RETRY_TIMEOUT:
1575	{	/* This one stashes the sas_task instead */
1576		struct sas_task *t = (struct sas_task *)pm8001_dev;
1577		u32 tag;
1578		struct pm8001_ccb_info *ccb;
1579		struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1580		unsigned long flags, flags1;
1581		int i, ret = 0;
1582
1583		PM8001_IO_DBG(pm8001_ha,
1584			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1585
1586		ret = pm8001_query_task(t);
1587
1588		PM8001_IO_DBG(pm8001_ha,
1589			switch (ret) {
1590			case TMF_RESP_FUNC_SUCC:
1591				pm8001_printk("...Task on lu\n");
1592				break;
1593
1594			case TMF_RESP_FUNC_COMPLETE:
1595				pm8001_printk("...Task NOT on lu\n");
1596				break;
1597
1598			default:
1599				pm8001_printk("...query task failed!!!\n");
1600				break;
1601			});
1602
1603		spin_lock_irqsave(&pm8001_ha->lock, flags);
1604
1605		spin_lock_irqsave(&t->task_state_lock, flags1);
1606
1607		if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1608			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1609			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1610			if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1611				(void)pm8001_abort_task(t);
1612			break; /* Task got completed by another */
1613		}
1614
1615		spin_unlock_irqrestore(&t->task_state_lock, flags1);
1616
1617		/* Search for a possible ccb that matches the task */
1618		for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1619			ccb = &pm8001_ha->ccb_info[i];
1620			tag = ccb->ccb_tag;
1621			if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1622				break;
1623		}
1624		if (!ccb) {
1625			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1626			if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1627				(void)pm8001_abort_task(t);
1628			break; /* Task got freed by another */
1629		}
1630
1631		pm8001_dev = ccb->device;
1632		dev = pm8001_dev->sas_device;
1633
1634		switch (ret) {
1635		case TMF_RESP_FUNC_SUCC: /* task on lu */
1636			ccb->open_retry = 1; /* Snub completion */
1637			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1638			ret = pm8001_abort_task(t);
1639			ccb->open_retry = 0;
1640			switch (ret) {
1641			case TMF_RESP_FUNC_SUCC:
1642			case TMF_RESP_FUNC_COMPLETE:
1643				break;
1644			default: /* device misbehavior */
1645				ret = TMF_RESP_FUNC_FAILED;
1646				PM8001_IO_DBG(pm8001_ha,
1647					pm8001_printk("...Reset phy\n"));
1648				pm8001_I_T_nexus_reset(dev);
1649				break;
1650			}
1651			break;
1652
1653		case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1654			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1655			/* Do we need to abort the task locally? */
1656			break;
1657
1658		default: /* device misbehavior */
1659			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1660			ret = TMF_RESP_FUNC_FAILED;
1661			PM8001_IO_DBG(pm8001_ha,
1662				pm8001_printk("...Reset phy\n"));
1663			pm8001_I_T_nexus_reset(dev);
1664		}
1665
1666		if (ret == TMF_RESP_FUNC_FAILED)
1667			t = NULL;
1668		pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1669		PM8001_IO_DBG(pm8001_ha, pm8001_printk("...Complete\n"));
1670	}	break;
1671	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1672		dev = pm8001_dev->sas_device;
1673		pm8001_I_T_nexus_event_handler(dev);
1674		break;
1675	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1676		dev = pm8001_dev->sas_device;
1677		pm8001_I_T_nexus_reset(dev);
1678		break;
1679	case IO_DS_IN_ERROR:
1680		dev = pm8001_dev->sas_device;
1681		pm8001_I_T_nexus_reset(dev);
1682		break;
1683	case IO_DS_NON_OPERATIONAL:
1684		dev = pm8001_dev->sas_device;
1685		pm8001_I_T_nexus_reset(dev);
1686		break;
1687	}
1688	kfree(pw);
1689}
1690
1691int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1692			       int handler)
1693{
1694	struct pm8001_work *pw;
1695	int ret = 0;
1696
1697	pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1698	if (pw) {
1699		pw->pm8001_ha = pm8001_ha;
1700		pw->data = data;
1701		pw->handler = handler;
1702		INIT_WORK(&pw->work, pm8001_work_fn);
1703		queue_work(pm8001_wq, &pw->work);
1704	} else
1705		ret = -ENOMEM;
1706
1707	return ret;
1708}
1709
1710static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1711		struct pm8001_device *pm8001_ha_dev)
1712{
1713	int res;
1714	u32 ccb_tag;
1715	struct pm8001_ccb_info *ccb;
1716	struct sas_task *task = NULL;
1717	struct task_abort_req task_abort;
1718	struct inbound_queue_table *circularQ;
1719	u32 opc = OPC_INB_SATA_ABORT;
1720	int ret;
1721
1722	if (!pm8001_ha_dev) {
1723		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1724		return;
1725	}
1726
1727	task = sas_alloc_slow_task(GFP_ATOMIC);
1728
1729	if (!task) {
1730		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1731						"allocate task\n"));
1732		return;
1733	}
1734
1735	task->task_done = pm8001_task_done;
1736
1737	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1738	if (res)
1739		return;
1740
1741	ccb = &pm8001_ha->ccb_info[ccb_tag];
1742	ccb->device = pm8001_ha_dev;
1743	ccb->ccb_tag = ccb_tag;
1744	ccb->task = task;
1745
1746	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1747
1748	memset(&task_abort, 0, sizeof(task_abort));
1749	task_abort.abort_all = cpu_to_le32(1);
1750	task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1751	task_abort.tag = cpu_to_le32(ccb_tag);
1752
1753	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
1754	if (ret)
1755		pm8001_tag_free(pm8001_ha, ccb_tag);
1756
1757}
1758
1759static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
1760		struct pm8001_device *pm8001_ha_dev)
1761{
1762	struct sata_start_req sata_cmd;
1763	int res;
1764	u32 ccb_tag;
1765	struct pm8001_ccb_info *ccb;
1766	struct sas_task *task = NULL;
1767	struct host_to_dev_fis fis;
1768	struct domain_device *dev;
1769	struct inbound_queue_table *circularQ;
1770	u32 opc = OPC_INB_SATA_HOST_OPSTART;
1771
1772	task = sas_alloc_slow_task(GFP_ATOMIC);
1773
1774	if (!task) {
1775		PM8001_FAIL_DBG(pm8001_ha,
1776			pm8001_printk("cannot allocate task !!!\n"));
1777		return;
1778	}
1779	task->task_done = pm8001_task_done;
1780
1781	res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1782	if (res) {
1783		sas_free_task(task);
1784		PM8001_FAIL_DBG(pm8001_ha,
1785			pm8001_printk("cannot allocate tag !!!\n"));
1786		return;
1787	}
1788
1789	/* allocate domain device by ourselves as libsas
1790	 * is not going to provide any
1791	*/
1792	dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1793	if (!dev) {
1794		sas_free_task(task);
1795		pm8001_tag_free(pm8001_ha, ccb_tag);
1796		PM8001_FAIL_DBG(pm8001_ha,
1797			pm8001_printk("Domain device cannot be allocated\n"));
1798		return;
1799	}
1800	task->dev = dev;
1801	task->dev->lldd_dev = pm8001_ha_dev;
1802
1803	ccb = &pm8001_ha->ccb_info[ccb_tag];
1804	ccb->device = pm8001_ha_dev;
1805	ccb->ccb_tag = ccb_tag;
1806	ccb->task = task;
1807	pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1808	pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1809
1810	memset(&sata_cmd, 0, sizeof(sata_cmd));
1811	circularQ = &pm8001_ha->inbnd_q_tbl[0];
1812
1813	/* construct read log FIS */
1814	memset(&fis, 0, sizeof(struct host_to_dev_fis));
1815	fis.fis_type = 0x27;
1816	fis.flags = 0x80;
1817	fis.command = ATA_CMD_READ_LOG_EXT;
1818	fis.lbal = 0x10;
1819	fis.sector_count = 0x1;
1820
1821	sata_cmd.tag = cpu_to_le32(ccb_tag);
1822	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1823	sata_cmd.ncqtag_atap_dir_m |= ((0x1 << 7) | (0x5 << 9));
1824	memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1825
1826	res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
1827	if (res) {
1828		sas_free_task(task);
1829		pm8001_tag_free(pm8001_ha, ccb_tag);
1830		kfree(dev);
1831	}
1832}
1833
1834/**
1835 * mpi_ssp_completion- process the event that FW response to the SSP request.
1836 * @pm8001_ha: our hba card information
1837 * @piomb: the message contents of this outbound message.
1838 *
1839 * When FW has completed a ssp request for example a IO request, after it has
1840 * filled the SG data with the data, it will trigger this event represent
1841 * that he has finished the job,please check the coresponding buffer.
1842 * So we will tell the caller who maybe waiting the result to tell upper layer
1843 * that the task has been finished.
1844 */
1845static void
1846mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1847{
1848	struct sas_task *t;
1849	struct pm8001_ccb_info *ccb;
1850	unsigned long flags;
1851	u32 status;
1852	u32 param;
1853	u32 tag;
1854	struct ssp_completion_resp *psspPayload;
1855	struct task_status_struct *ts;
1856	struct ssp_response_iu *iu;
1857	struct pm8001_device *pm8001_dev;
1858	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1859	status = le32_to_cpu(psspPayload->status);
1860	tag = le32_to_cpu(psspPayload->tag);
1861	ccb = &pm8001_ha->ccb_info[tag];
1862	if ((status == IO_ABORTED) && ccb->open_retry) {
1863		/* Being completed by another */
1864		ccb->open_retry = 0;
1865		return;
1866	}
1867	pm8001_dev = ccb->device;
1868	param = le32_to_cpu(psspPayload->param);
1869
1870	t = ccb->task;
1871
1872	if (status && status != IO_UNDERFLOW)
1873		PM8001_FAIL_DBG(pm8001_ha,
1874			pm8001_printk("sas IO status 0x%x\n", status));
1875	if (unlikely(!t || !t->lldd_task || !t->dev))
1876		return;
1877	ts = &t->task_status;
1878	/* Print sas address of IO failed device */
1879	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1880		(status != IO_UNDERFLOW))
1881		PM8001_FAIL_DBG(pm8001_ha,
1882			pm8001_printk("SAS Address of IO Failure Drive:"
1883			"%016llx", SAS_ADDR(t->dev->sas_addr)));
1884
1885	switch (status) {
1886	case IO_SUCCESS:
1887		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
1888			",param = %d\n", param));
1889		if (param == 0) {
1890			ts->resp = SAS_TASK_COMPLETE;
1891			ts->stat = SAM_STAT_GOOD;
1892		} else {
1893			ts->resp = SAS_TASK_COMPLETE;
1894			ts->stat = SAS_PROTO_RESPONSE;
1895			ts->residual = param;
1896			iu = &psspPayload->ssp_resp_iu;
1897			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1898		}
1899		if (pm8001_dev)
1900			pm8001_dev->running_req--;
1901		break;
1902	case IO_ABORTED:
1903		PM8001_IO_DBG(pm8001_ha,
1904			pm8001_printk("IO_ABORTED IOMB Tag\n"));
1905		ts->resp = SAS_TASK_COMPLETE;
1906		ts->stat = SAS_ABORTED_TASK;
1907		break;
1908	case IO_UNDERFLOW:
1909		/* SSP Completion with error */
1910		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
1911			",param = %d\n", param));
1912		ts->resp = SAS_TASK_COMPLETE;
1913		ts->stat = SAS_DATA_UNDERRUN;
1914		ts->residual = param;
1915		if (pm8001_dev)
1916			pm8001_dev->running_req--;
1917		break;
1918	case IO_NO_DEVICE:
1919		PM8001_IO_DBG(pm8001_ha,
1920			pm8001_printk("IO_NO_DEVICE\n"));
1921		ts->resp = SAS_TASK_UNDELIVERED;
1922		ts->stat = SAS_PHY_DOWN;
1923		break;
1924	case IO_XFER_ERROR_BREAK:
1925		PM8001_IO_DBG(pm8001_ha,
1926			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1927		ts->resp = SAS_TASK_COMPLETE;
1928		ts->stat = SAS_OPEN_REJECT;
1929		/* Force the midlayer to retry */
1930		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1931		break;
1932	case IO_XFER_ERROR_PHY_NOT_READY:
1933		PM8001_IO_DBG(pm8001_ha,
1934			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1935		ts->resp = SAS_TASK_COMPLETE;
1936		ts->stat = SAS_OPEN_REJECT;
1937		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1938		break;
1939	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1940		PM8001_IO_DBG(pm8001_ha,
1941		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1942		ts->resp = SAS_TASK_COMPLETE;
1943		ts->stat = SAS_OPEN_REJECT;
1944		ts->open_rej_reason = SAS_OREJ_EPROTO;
1945		break;
1946	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1947		PM8001_IO_DBG(pm8001_ha,
1948			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1949		ts->resp = SAS_TASK_COMPLETE;
1950		ts->stat = SAS_OPEN_REJECT;
1951		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1952		break;
1953	case IO_OPEN_CNX_ERROR_BREAK:
1954		PM8001_IO_DBG(pm8001_ha,
1955			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1956		ts->resp = SAS_TASK_COMPLETE;
1957		ts->stat = SAS_OPEN_REJECT;
1958		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1959		break;
1960	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1961		PM8001_IO_DBG(pm8001_ha,
1962			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1963		ts->resp = SAS_TASK_COMPLETE;
1964		ts->stat = SAS_OPEN_REJECT;
1965		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1966		if (!t->uldd_task)
1967			pm8001_handle_event(pm8001_ha,
1968				pm8001_dev,
1969				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1970		break;
1971	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1972		PM8001_IO_DBG(pm8001_ha,
1973			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1974		ts->resp = SAS_TASK_COMPLETE;
1975		ts->stat = SAS_OPEN_REJECT;
1976		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1977		break;
1978	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1979		PM8001_IO_DBG(pm8001_ha,
1980			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1981			"NOT_SUPPORTED\n"));
1982		ts->resp = SAS_TASK_COMPLETE;
1983		ts->stat = SAS_OPEN_REJECT;
1984		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1985		break;
1986	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1987		PM8001_IO_DBG(pm8001_ha,
1988			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1989		ts->resp = SAS_TASK_UNDELIVERED;
1990		ts->stat = SAS_OPEN_REJECT;
1991		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1992		break;
1993	case IO_XFER_ERROR_NAK_RECEIVED:
1994		PM8001_IO_DBG(pm8001_ha,
1995			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1996		ts->resp = SAS_TASK_COMPLETE;
1997		ts->stat = SAS_OPEN_REJECT;
1998		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1999		break;
2000	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2001		PM8001_IO_DBG(pm8001_ha,
2002			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2003		ts->resp = SAS_TASK_COMPLETE;
2004		ts->stat = SAS_NAK_R_ERR;
2005		break;
2006	case IO_XFER_ERROR_DMA:
2007		PM8001_IO_DBG(pm8001_ha,
2008		pm8001_printk("IO_XFER_ERROR_DMA\n"));
2009		ts->resp = SAS_TASK_COMPLETE;
2010		ts->stat = SAS_OPEN_REJECT;
2011		break;
2012	case IO_XFER_OPEN_RETRY_TIMEOUT:
2013		PM8001_IO_DBG(pm8001_ha,
2014			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2015		ts->resp = SAS_TASK_COMPLETE;
2016		ts->stat = SAS_OPEN_REJECT;
2017		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2018		break;
2019	case IO_XFER_ERROR_OFFSET_MISMATCH:
2020		PM8001_IO_DBG(pm8001_ha,
2021			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2022		ts->resp = SAS_TASK_COMPLETE;
2023		ts->stat = SAS_OPEN_REJECT;
2024		break;
2025	case IO_PORT_IN_RESET:
2026		PM8001_IO_DBG(pm8001_ha,
2027			pm8001_printk("IO_PORT_IN_RESET\n"));
2028		ts->resp = SAS_TASK_COMPLETE;
2029		ts->stat = SAS_OPEN_REJECT;
2030		break;
2031	case IO_DS_NON_OPERATIONAL:
2032		PM8001_IO_DBG(pm8001_ha,
2033			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2034		ts->resp = SAS_TASK_COMPLETE;
2035		ts->stat = SAS_OPEN_REJECT;
2036		if (!t->uldd_task)
2037			pm8001_handle_event(pm8001_ha,
2038				pm8001_dev,
2039				IO_DS_NON_OPERATIONAL);
2040		break;
2041	case IO_DS_IN_RECOVERY:
2042		PM8001_IO_DBG(pm8001_ha,
2043			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2044		ts->resp = SAS_TASK_COMPLETE;
2045		ts->stat = SAS_OPEN_REJECT;
2046		break;
2047	case IO_TM_TAG_NOT_FOUND:
2048		PM8001_IO_DBG(pm8001_ha,
2049			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
2050		ts->resp = SAS_TASK_COMPLETE;
2051		ts->stat = SAS_OPEN_REJECT;
2052		break;
2053	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2054		PM8001_IO_DBG(pm8001_ha,
2055			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
2056		ts->resp = SAS_TASK_COMPLETE;
2057		ts->stat = SAS_OPEN_REJECT;
2058		break;
2059	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2060		PM8001_IO_DBG(pm8001_ha,
2061			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2062		ts->resp = SAS_TASK_COMPLETE;
2063		ts->stat = SAS_OPEN_REJECT;
2064		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2065		break;
2066	default:
2067		PM8001_IO_DBG(pm8001_ha,
2068			pm8001_printk("Unknown status 0x%x\n", status));
2069		/* not allowed case. Therefore, return failed status */
2070		ts->resp = SAS_TASK_COMPLETE;
2071		ts->stat = SAS_OPEN_REJECT;
2072		break;
2073	}
2074	PM8001_IO_DBG(pm8001_ha,
2075		pm8001_printk("scsi_status = %x\n ",
2076		psspPayload->ssp_resp_iu.status));
2077	spin_lock_irqsave(&t->task_state_lock, flags);
2078	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2079	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2080	t->task_state_flags |= SAS_TASK_STATE_DONE;
2081	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2082		spin_unlock_irqrestore(&t->task_state_lock, flags);
2083		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2084			" io_status 0x%x resp 0x%x "
2085			"stat 0x%x but aborted by upper layer!\n",
2086			t, status, ts->resp, ts->stat));
2087		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2088	} else {
2089		spin_unlock_irqrestore(&t->task_state_lock, flags);
2090		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2091		mb();/* in order to force CPU ordering */
2092		t->task_done(t);
2093	}
2094}
2095
2096/*See the comments for mpi_ssp_completion */
2097static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2098{
2099	struct sas_task *t;
2100	unsigned long flags;
2101	struct task_status_struct *ts;
2102	struct pm8001_ccb_info *ccb;
2103	struct pm8001_device *pm8001_dev;
2104	struct ssp_event_resp *psspPayload =
2105		(struct ssp_event_resp *)(piomb + 4);
2106	u32 event = le32_to_cpu(psspPayload->event);
2107	u32 tag = le32_to_cpu(psspPayload->tag);
2108	u32 port_id = le32_to_cpu(psspPayload->port_id);
2109	u32 dev_id = le32_to_cpu(psspPayload->device_id);
2110
2111	ccb = &pm8001_ha->ccb_info[tag];
2112	t = ccb->task;
2113	pm8001_dev = ccb->device;
2114	if (event)
2115		PM8001_FAIL_DBG(pm8001_ha,
2116			pm8001_printk("sas IO status 0x%x\n", event));
2117	if (unlikely(!t || !t->lldd_task || !t->dev))
2118		return;
2119	ts = &t->task_status;
2120	PM8001_IO_DBG(pm8001_ha,
2121		pm8001_printk("port_id = %x,device_id = %x\n",
2122		port_id, dev_id));
2123	switch (event) {
2124	case IO_OVERFLOW:
2125		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
2126		ts->resp = SAS_TASK_COMPLETE;
2127		ts->stat = SAS_DATA_OVERRUN;
2128		ts->residual = 0;
2129		if (pm8001_dev)
2130			pm8001_dev->running_req--;
2131		break;
2132	case IO_XFER_ERROR_BREAK:
2133		PM8001_IO_DBG(pm8001_ha,
2134			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2135		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2136		return;
2137	case IO_XFER_ERROR_PHY_NOT_READY:
2138		PM8001_IO_DBG(pm8001_ha,
2139			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2140		ts->resp = SAS_TASK_COMPLETE;
2141		ts->stat = SAS_OPEN_REJECT;
2142		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2143		break;
2144	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2145		PM8001_IO_DBG(pm8001_ha,
2146			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2147			"_SUPPORTED\n"));
2148		ts->resp = SAS_TASK_COMPLETE;
2149		ts->stat = SAS_OPEN_REJECT;
2150		ts->open_rej_reason = SAS_OREJ_EPROTO;
2151		break;
2152	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2153		PM8001_IO_DBG(pm8001_ha,
2154			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2155		ts->resp = SAS_TASK_COMPLETE;
2156		ts->stat = SAS_OPEN_REJECT;
2157		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2158		break;
2159	case IO_OPEN_CNX_ERROR_BREAK:
2160		PM8001_IO_DBG(pm8001_ha,
2161			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2162		ts->resp = SAS_TASK_COMPLETE;
2163		ts->stat = SAS_OPEN_REJECT;
2164		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2165		break;
2166	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2167		PM8001_IO_DBG(pm8001_ha,
2168			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2169		ts->resp = SAS_TASK_COMPLETE;
2170		ts->stat = SAS_OPEN_REJECT;
2171		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2172		if (!t->uldd_task)
2173			pm8001_handle_event(pm8001_ha,
2174				pm8001_dev,
2175				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2176		break;
2177	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2178		PM8001_IO_DBG(pm8001_ha,
2179			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2180		ts->resp = SAS_TASK_COMPLETE;
2181		ts->stat = SAS_OPEN_REJECT;
2182		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2183		break;
2184	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2185		PM8001_IO_DBG(pm8001_ha,
2186			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2187			"NOT_SUPPORTED\n"));
2188		ts->resp = SAS_TASK_COMPLETE;
2189		ts->stat = SAS_OPEN_REJECT;
2190		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2191		break;
2192	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2193		PM8001_IO_DBG(pm8001_ha,
2194		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2195		ts->resp = SAS_TASK_COMPLETE;
2196		ts->stat = SAS_OPEN_REJECT;
2197		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2198		break;
2199	case IO_XFER_ERROR_NAK_RECEIVED:
2200		PM8001_IO_DBG(pm8001_ha,
2201			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2202		ts->resp = SAS_TASK_COMPLETE;
2203		ts->stat = SAS_OPEN_REJECT;
2204		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2205		break;
2206	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2207		PM8001_IO_DBG(pm8001_ha,
2208			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2209		ts->resp = SAS_TASK_COMPLETE;
2210		ts->stat = SAS_NAK_R_ERR;
2211		break;
2212	case IO_XFER_OPEN_RETRY_TIMEOUT:
2213		PM8001_IO_DBG(pm8001_ha,
2214			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2215		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2216		return;
2217	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2218		PM8001_IO_DBG(pm8001_ha,
2219			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2220		ts->resp = SAS_TASK_COMPLETE;
2221		ts->stat = SAS_DATA_OVERRUN;
2222		break;
2223	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2224		PM8001_IO_DBG(pm8001_ha,
2225			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2226		ts->resp = SAS_TASK_COMPLETE;
2227		ts->stat = SAS_DATA_OVERRUN;
2228		break;
2229	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2230		PM8001_IO_DBG(pm8001_ha,
2231		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2232		ts->resp = SAS_TASK_COMPLETE;
2233		ts->stat = SAS_DATA_OVERRUN;
2234		break;
2235	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2236		PM8001_IO_DBG(pm8001_ha,
2237		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
2238		ts->resp = SAS_TASK_COMPLETE;
2239		ts->stat = SAS_DATA_OVERRUN;
2240		break;
2241	case IO_XFER_ERROR_OFFSET_MISMATCH:
2242		PM8001_IO_DBG(pm8001_ha,
2243			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2244		ts->resp = SAS_TASK_COMPLETE;
2245		ts->stat = SAS_DATA_OVERRUN;
2246		break;
2247	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2248		PM8001_IO_DBG(pm8001_ha,
2249			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2250		ts->resp = SAS_TASK_COMPLETE;
2251		ts->stat = SAS_DATA_OVERRUN;
2252		break;
2253	case IO_XFER_CMD_FRAME_ISSUED:
2254		PM8001_IO_DBG(pm8001_ha,
2255			pm8001_printk("  IO_XFER_CMD_FRAME_ISSUED\n"));
2256		return;
2257	default:
2258		PM8001_IO_DBG(pm8001_ha,
2259			pm8001_printk("Unknown status 0x%x\n", event));
2260		/* not allowed case. Therefore, return failed status */
2261		ts->resp = SAS_TASK_COMPLETE;
2262		ts->stat = SAS_DATA_OVERRUN;
2263		break;
2264	}
2265	spin_lock_irqsave(&t->task_state_lock, flags);
2266	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2267	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2268	t->task_state_flags |= SAS_TASK_STATE_DONE;
2269	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2270		spin_unlock_irqrestore(&t->task_state_lock, flags);
2271		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2272			" event 0x%x resp 0x%x "
2273			"stat 0x%x but aborted by upper layer!\n",
2274			t, event, ts->resp, ts->stat));
2275		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2276	} else {
2277		spin_unlock_irqrestore(&t->task_state_lock, flags);
2278		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2279		mb();/* in order to force CPU ordering */
2280		t->task_done(t);
2281	}
2282}
2283
2284/*See the comments for mpi_ssp_completion */
2285static void
2286mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2287{
2288	struct sas_task *t;
2289	struct pm8001_ccb_info *ccb;
2290	u32 param;
2291	u32 status;
2292	u32 tag;
2293	int i, j;
2294	u8 sata_addr_low[4];
2295	u32 temp_sata_addr_low;
2296	u8 sata_addr_hi[4];
2297	u32 temp_sata_addr_hi;
2298	struct sata_completion_resp *psataPayload;
2299	struct task_status_struct *ts;
2300	struct ata_task_resp *resp ;
2301	u32 *sata_resp;
2302	struct pm8001_device *pm8001_dev;
2303	unsigned long flags;
2304
2305	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2306	status = le32_to_cpu(psataPayload->status);
2307	tag = le32_to_cpu(psataPayload->tag);
2308
2309	if (!tag) {
2310		PM8001_FAIL_DBG(pm8001_ha,
2311			pm8001_printk("tag null\n"));
2312		return;
2313	}
2314	ccb = &pm8001_ha->ccb_info[tag];
2315	param = le32_to_cpu(psataPayload->param);
2316	if (ccb) {
2317		t = ccb->task;
2318		pm8001_dev = ccb->device;
2319	} else {
2320		PM8001_FAIL_DBG(pm8001_ha,
2321			pm8001_printk("ccb null\n"));
2322		return;
2323	}
2324
2325	if (t) {
2326		if (t->dev && (t->dev->lldd_dev))
2327			pm8001_dev = t->dev->lldd_dev;
2328	} else {
2329		PM8001_FAIL_DBG(pm8001_ha,
2330			pm8001_printk("task null\n"));
2331		return;
2332	}
2333
2334	if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2335		&& unlikely(!t || !t->lldd_task || !t->dev)) {
2336		PM8001_FAIL_DBG(pm8001_ha,
2337			pm8001_printk("task or dev null\n"));
2338		return;
2339	}
2340
2341	ts = &t->task_status;
2342	if (!ts) {
2343		PM8001_FAIL_DBG(pm8001_ha,
2344			pm8001_printk("ts null\n"));
2345		return;
2346	}
2347	/* Print sas address of IO failed device */
2348	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2349		(status != IO_UNDERFLOW)) {
2350		if (!((t->dev->parent) &&
2351			(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
2352			for (i = 0 , j = 4; j <= 7 && i <= 3; i++ , j++)
2353				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2354			for (i = 0 , j = 0; j <= 3 && i <= 3; i++ , j++)
2355				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2356			memcpy(&temp_sata_addr_low, sata_addr_low,
2357				sizeof(sata_addr_low));
2358			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2359				sizeof(sata_addr_hi));
2360			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2361						|((temp_sata_addr_hi << 8) &
2362						0xff0000) |
2363						((temp_sata_addr_hi >> 8)
2364						& 0xff00) |
2365						((temp_sata_addr_hi << 24) &
2366						0xff000000));
2367			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2368						& 0xff) |
2369						((temp_sata_addr_low << 8)
2370						& 0xff0000) |
2371						((temp_sata_addr_low >> 8)
2372						& 0xff00) |
2373						((temp_sata_addr_low << 24)
2374						& 0xff000000)) +
2375						pm8001_dev->attached_phy +
2376						0x10);
2377			PM8001_FAIL_DBG(pm8001_ha,
2378				pm8001_printk("SAS Address of IO Failure Drive:"
2379				"%08x%08x", temp_sata_addr_hi,
2380					temp_sata_addr_low));
2381		} else {
2382			PM8001_FAIL_DBG(pm8001_ha,
2383				pm8001_printk("SAS Address of IO Failure Drive:"
2384				"%016llx", SAS_ADDR(t->dev->sas_addr)));
2385		}
2386	}
2387	switch (status) {
2388	case IO_SUCCESS:
2389		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2390		if (param == 0) {
2391			ts->resp = SAS_TASK_COMPLETE;
2392			ts->stat = SAM_STAT_GOOD;
2393			/* check if response is for SEND READ LOG */
2394			if (pm8001_dev &&
2395				(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2396				/* set new bit for abort_all */
2397				pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2398				/* clear bit for read log */
2399				pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2400				pm8001_send_abort_all(pm8001_ha, pm8001_dev);
2401				/* Free the tag */
2402				pm8001_tag_free(pm8001_ha, tag);
2403				sas_free_task(t);
2404				return;
2405			}
2406		} else {
2407			u8 len;
2408			ts->resp = SAS_TASK_COMPLETE;
2409			ts->stat = SAS_PROTO_RESPONSE;
2410			ts->residual = param;
2411			PM8001_IO_DBG(pm8001_ha,
2412				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2413				param));
2414			sata_resp = &psataPayload->sata_resp[0];
2415			resp = (struct ata_task_resp *)ts->buf;
2416			if (t->ata_task.dma_xfer == 0 &&
2417			t->data_dir == PCI_DMA_FROMDEVICE) {
2418				len = sizeof(struct pio_setup_fis);
2419				PM8001_IO_DBG(pm8001_ha,
2420				pm8001_printk("PIO read len = %d\n", len));
2421			} else if (t->ata_task.use_ncq) {
2422				len = sizeof(struct set_dev_bits_fis);
2423				PM8001_IO_DBG(pm8001_ha,
2424					pm8001_printk("FPDMA len = %d\n", len));
2425			} else {
2426				len = sizeof(struct dev_to_host_fis);
2427				PM8001_IO_DBG(pm8001_ha,
2428				pm8001_printk("other len = %d\n", len));
2429			}
2430			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2431				resp->frame_len = len;
2432				memcpy(&resp->ending_fis[0], sata_resp, len);
2433				ts->buf_valid_size = sizeof(*resp);
2434			} else
2435				PM8001_IO_DBG(pm8001_ha,
2436					pm8001_printk("response to large\n"));
2437		}
2438		if (pm8001_dev)
2439			pm8001_dev->running_req--;
2440		break;
2441	case IO_ABORTED:
2442		PM8001_IO_DBG(pm8001_ha,
2443			pm8001_printk("IO_ABORTED IOMB Tag\n"));
2444		ts->resp = SAS_TASK_COMPLETE;
2445		ts->stat = SAS_ABORTED_TASK;
2446		if (pm8001_dev)
2447			pm8001_dev->running_req--;
2448		break;
2449		/* following cases are to do cases */
2450	case IO_UNDERFLOW:
2451		/* SATA Completion with error */
2452		PM8001_IO_DBG(pm8001_ha,
2453			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2454		ts->resp = SAS_TASK_COMPLETE;
2455		ts->stat = SAS_DATA_UNDERRUN;
2456		ts->residual =  param;
2457		if (pm8001_dev)
2458			pm8001_dev->running_req--;
2459		break;
2460	case IO_NO_DEVICE:
2461		PM8001_IO_DBG(pm8001_ha,
2462			pm8001_printk("IO_NO_DEVICE\n"));
2463		ts->resp = SAS_TASK_UNDELIVERED;
2464		ts->stat = SAS_PHY_DOWN;
2465		break;
2466	case IO_XFER_ERROR_BREAK:
2467		PM8001_IO_DBG(pm8001_ha,
2468			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2469		ts->resp = SAS_TASK_COMPLETE;
2470		ts->stat = SAS_INTERRUPTED;
2471		break;
2472	case IO_XFER_ERROR_PHY_NOT_READY:
2473		PM8001_IO_DBG(pm8001_ha,
2474			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2475		ts->resp = SAS_TASK_COMPLETE;
2476		ts->stat = SAS_OPEN_REJECT;
2477		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2478		break;
2479	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2480		PM8001_IO_DBG(pm8001_ha,
2481			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2482			"_SUPPORTED\n"));
2483		ts->resp = SAS_TASK_COMPLETE;
2484		ts->stat = SAS_OPEN_REJECT;
2485		ts->open_rej_reason = SAS_OREJ_EPROTO;
2486		break;
2487	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2488		PM8001_IO_DBG(pm8001_ha,
2489			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2490		ts->resp = SAS_TASK_COMPLETE;
2491		ts->stat = SAS_OPEN_REJECT;
2492		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2493		break;
2494	case IO_OPEN_CNX_ERROR_BREAK:
2495		PM8001_IO_DBG(pm8001_ha,
2496			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2497		ts->resp = SAS_TASK_COMPLETE;
2498		ts->stat = SAS_OPEN_REJECT;
2499		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2500		break;
2501	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2502		PM8001_IO_DBG(pm8001_ha,
2503			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2504		ts->resp = SAS_TASK_COMPLETE;
2505		ts->stat = SAS_DEV_NO_RESPONSE;
2506		if (!t->uldd_task) {
2507			pm8001_handle_event(pm8001_ha,
2508				pm8001_dev,
2509				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2510			ts->resp = SAS_TASK_UNDELIVERED;
2511			ts->stat = SAS_QUEUE_FULL;
2512			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2513			return;
2514		}
2515		break;
2516	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2517		PM8001_IO_DBG(pm8001_ha,
2518			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2519		ts->resp = SAS_TASK_UNDELIVERED;
2520		ts->stat = SAS_OPEN_REJECT;
2521		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2522		if (!t->uldd_task) {
2523			pm8001_handle_event(pm8001_ha,
2524				pm8001_dev,
2525				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2526			ts->resp = SAS_TASK_UNDELIVERED;
2527			ts->stat = SAS_QUEUE_FULL;
2528			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2529			return;
2530		}
2531		break;
2532	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2533		PM8001_IO_DBG(pm8001_ha,
2534			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2535			"NOT_SUPPORTED\n"));
2536		ts->resp = SAS_TASK_COMPLETE;
2537		ts->stat = SAS_OPEN_REJECT;
2538		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2539		break;
2540	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2541		PM8001_IO_DBG(pm8001_ha,
2542			pm8001_printk("IO_OPEN_CNX_ERROR_STP_RESOURCES"
2543			"_BUSY\n"));
2544		ts->resp = SAS_TASK_COMPLETE;
2545		ts->stat = SAS_DEV_NO_RESPONSE;
2546		if (!t->uldd_task) {
2547			pm8001_handle_event(pm8001_ha,
2548				pm8001_dev,
2549				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2550			ts->resp = SAS_TASK_UNDELIVERED;
2551			ts->stat = SAS_QUEUE_FULL;
2552			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2553			return;
2554		}
2555		break;
2556	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2557		PM8001_IO_DBG(pm8001_ha,
2558		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2559		ts->resp = SAS_TASK_COMPLETE;
2560		ts->stat = SAS_OPEN_REJECT;
2561		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2562		break;
2563	case IO_XFER_ERROR_NAK_RECEIVED:
2564		PM8001_IO_DBG(pm8001_ha,
2565			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2566		ts->resp = SAS_TASK_COMPLETE;
2567		ts->stat = SAS_NAK_R_ERR;
2568		break;
2569	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2570		PM8001_IO_DBG(pm8001_ha,
2571			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2572		ts->resp = SAS_TASK_COMPLETE;
2573		ts->stat = SAS_NAK_R_ERR;
2574		break;
2575	case IO_XFER_ERROR_DMA:
2576		PM8001_IO_DBG(pm8001_ha,
2577			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2578		ts->resp = SAS_TASK_COMPLETE;
2579		ts->stat = SAS_ABORTED_TASK;
2580		break;
2581	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2582		PM8001_IO_DBG(pm8001_ha,
2583			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2584		ts->resp = SAS_TASK_UNDELIVERED;
2585		ts->stat = SAS_DEV_NO_RESPONSE;
2586		break;
2587	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2588		PM8001_IO_DBG(pm8001_ha,
2589			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2590		ts->resp = SAS_TASK_COMPLETE;
2591		ts->stat = SAS_DATA_UNDERRUN;
2592		break;
2593	case IO_XFER_OPEN_RETRY_TIMEOUT:
2594		PM8001_IO_DBG(pm8001_ha,
2595			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2596		ts->resp = SAS_TASK_COMPLETE;
2597		ts->stat = SAS_OPEN_TO;
2598		break;
2599	case IO_PORT_IN_RESET:
2600		PM8001_IO_DBG(pm8001_ha,
2601			pm8001_printk("IO_PORT_IN_RESET\n"));
2602		ts->resp = SAS_TASK_COMPLETE;
2603		ts->stat = SAS_DEV_NO_RESPONSE;
2604		break;
2605	case IO_DS_NON_OPERATIONAL:
2606		PM8001_IO_DBG(pm8001_ha,
2607			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2608		ts->resp = SAS_TASK_COMPLETE;
2609		ts->stat = SAS_DEV_NO_RESPONSE;
2610		if (!t->uldd_task) {
2611			pm8001_handle_event(pm8001_ha, pm8001_dev,
2612				    IO_DS_NON_OPERATIONAL);
2613			ts->resp = SAS_TASK_UNDELIVERED;
2614			ts->stat = SAS_QUEUE_FULL;
2615			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2616			return;
2617		}
2618		break;
2619	case IO_DS_IN_RECOVERY:
2620		PM8001_IO_DBG(pm8001_ha,
2621			pm8001_printk("  IO_DS_IN_RECOVERY\n"));
2622		ts->resp = SAS_TASK_COMPLETE;
2623		ts->stat = SAS_DEV_NO_RESPONSE;
2624		break;
2625	case IO_DS_IN_ERROR:
2626		PM8001_IO_DBG(pm8001_ha,
2627			pm8001_printk("IO_DS_IN_ERROR\n"));
2628		ts->resp = SAS_TASK_COMPLETE;
2629		ts->stat = SAS_DEV_NO_RESPONSE;
2630		if (!t->uldd_task) {
2631			pm8001_handle_event(pm8001_ha, pm8001_dev,
2632				    IO_DS_IN_ERROR);
2633			ts->resp = SAS_TASK_UNDELIVERED;
2634			ts->stat = SAS_QUEUE_FULL;
2635			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2636			return;
2637		}
2638		break;
2639	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2640		PM8001_IO_DBG(pm8001_ha,
2641			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2642		ts->resp = SAS_TASK_COMPLETE;
2643		ts->stat = SAS_OPEN_REJECT;
2644		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2645	default:
2646		PM8001_IO_DBG(pm8001_ha,
2647			pm8001_printk("Unknown status 0x%x\n", status));
2648		/* not allowed case. Therefore, return failed status */
2649		ts->resp = SAS_TASK_COMPLETE;
2650		ts->stat = SAS_DEV_NO_RESPONSE;
2651		break;
2652	}
2653	spin_lock_irqsave(&t->task_state_lock, flags);
2654	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2655	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2656	t->task_state_flags |= SAS_TASK_STATE_DONE;
2657	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2658		spin_unlock_irqrestore(&t->task_state_lock, flags);
2659		PM8001_FAIL_DBG(pm8001_ha,
2660			pm8001_printk("task 0x%p done with io_status 0x%x"
2661			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2662			t, status, ts->resp, ts->stat));
2663		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2664	} else {
2665		spin_unlock_irqrestore(&t->task_state_lock, flags);
2666		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2667	}
2668}
2669
2670/*See the comments for mpi_ssp_completion */
2671static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2672{
2673	struct sas_task *t;
2674	struct task_status_struct *ts;
2675	struct pm8001_ccb_info *ccb;
2676	struct pm8001_device *pm8001_dev;
2677	struct sata_event_resp *psataPayload =
2678		(struct sata_event_resp *)(piomb + 4);
2679	u32 event = le32_to_cpu(psataPayload->event);
2680	u32 tag = le32_to_cpu(psataPayload->tag);
2681	u32 port_id = le32_to_cpu(psataPayload->port_id);
2682	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2683	unsigned long flags;
2684
2685	ccb = &pm8001_ha->ccb_info[tag];
2686
2687	if (ccb) {
2688		t = ccb->task;
2689		pm8001_dev = ccb->device;
2690	} else {
2691		PM8001_FAIL_DBG(pm8001_ha,
2692			pm8001_printk("No CCB !!!. returning\n"));
2693	}
2694	if (event)
2695		PM8001_FAIL_DBG(pm8001_ha,
2696			pm8001_printk("SATA EVENT 0x%x\n", event));
2697
2698	/* Check if this is NCQ error */
2699	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2700		/* find device using device id */
2701		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2702		/* send read log extension */
2703		if (pm8001_dev)
2704			pm8001_send_read_log(pm8001_ha, pm8001_dev);
2705		return;
2706	}
2707
2708	ccb = &pm8001_ha->ccb_info[tag];
2709	t = ccb->task;
2710	pm8001_dev = ccb->device;
2711	if (event)
2712		PM8001_FAIL_DBG(pm8001_ha,
2713			pm8001_printk("sata IO status 0x%x\n", event));
2714	if (unlikely(!t || !t->lldd_task || !t->dev))
2715		return;
2716	ts = &t->task_status;
2717	PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2718		"port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2719		port_id, dev_id, tag, event));
2720	switch (event) {
2721	case IO_OVERFLOW:
2722		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2723		ts->resp = SAS_TASK_COMPLETE;
2724		ts->stat = SAS_DATA_OVERRUN;
2725		ts->residual = 0;
2726		if (pm8001_dev)
2727			pm8001_dev->running_req--;
2728		break;
2729	case IO_XFER_ERROR_BREAK:
2730		PM8001_IO_DBG(pm8001_ha,
2731			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2732		ts->resp = SAS_TASK_COMPLETE;
2733		ts->stat = SAS_INTERRUPTED;
2734		break;
2735	case IO_XFER_ERROR_PHY_NOT_READY:
2736		PM8001_IO_DBG(pm8001_ha,
2737			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2738		ts->resp = SAS_TASK_COMPLETE;
2739		ts->stat = SAS_OPEN_REJECT;
2740		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2741		break;
2742	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2743		PM8001_IO_DBG(pm8001_ha,
2744			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2745			"_SUPPORTED\n"));
2746		ts->resp = SAS_TASK_COMPLETE;
2747		ts->stat = SAS_OPEN_REJECT;
2748		ts->open_rej_reason = SAS_OREJ_EPROTO;
2749		break;
2750	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2751		PM8001_IO_DBG(pm8001_ha,
2752			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2753		ts->resp = SAS_TASK_COMPLETE;
2754		ts->stat = SAS_OPEN_REJECT;
2755		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2756		break;
2757	case IO_OPEN_CNX_ERROR_BREAK:
2758		PM8001_IO_DBG(pm8001_ha,
2759			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2760		ts->resp = SAS_TASK_COMPLETE;
2761		ts->stat = SAS_OPEN_REJECT;
2762		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2763		break;
2764	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2765		PM8001_IO_DBG(pm8001_ha,
2766			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2767		ts->resp = SAS_TASK_UNDELIVERED;
2768		ts->stat = SAS_DEV_NO_RESPONSE;
2769		if (!t->uldd_task) {
2770			pm8001_handle_event(pm8001_ha,
2771				pm8001_dev,
2772				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2773			ts->resp = SAS_TASK_COMPLETE;
2774			ts->stat = SAS_QUEUE_FULL;
2775			pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2776			return;
2777		}
2778		break;
2779	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2780		PM8001_IO_DBG(pm8001_ha,
2781			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2782		ts->resp = SAS_TASK_UNDELIVERED;
2783		ts->stat = SAS_OPEN_REJECT;
2784		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2785		break;
2786	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2787		PM8001_IO_DBG(pm8001_ha,
2788			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2789			"NOT_SUPPORTED\n"));
2790		ts->resp = SAS_TASK_COMPLETE;
2791		ts->stat = SAS_OPEN_REJECT;
2792		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2793		break;
2794	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2795		PM8001_IO_DBG(pm8001_ha,
2796		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2797		ts->resp = SAS_TASK_COMPLETE;
2798		ts->stat = SAS_OPEN_REJECT;
2799		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2800		break;
2801	case IO_XFER_ERROR_NAK_RECEIVED:
2802		PM8001_IO_DBG(pm8001_ha,
2803			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2804		ts->resp = SAS_TASK_COMPLETE;
2805		ts->stat = SAS_NAK_R_ERR;
2806		break;
2807	case IO_XFER_ERROR_PEER_ABORTED:
2808		PM8001_IO_DBG(pm8001_ha,
2809			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2810		ts->resp = SAS_TASK_COMPLETE;
2811		ts->stat = SAS_NAK_R_ERR;
2812		break;
2813	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2814		PM8001_IO_DBG(pm8001_ha,
2815			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2816		ts->resp = SAS_TASK_COMPLETE;
2817		ts->stat = SAS_DATA_UNDERRUN;
2818		break;
2819	case IO_XFER_OPEN_RETRY_TIMEOUT:
2820		PM8001_IO_DBG(pm8001_ha,
2821			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2822		ts->resp = SAS_TASK_COMPLETE;
2823		ts->stat = SAS_OPEN_TO;
2824		break;
2825	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2826		PM8001_IO_DBG(pm8001_ha,
2827			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2828		ts->resp = SAS_TASK_COMPLETE;
2829		ts->stat = SAS_OPEN_TO;
2830		break;
2831	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2832		PM8001_IO_DBG(pm8001_ha,
2833			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2834		ts->resp = SAS_TASK_COMPLETE;
2835		ts->stat = SAS_OPEN_TO;
2836		break;
2837	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2838		PM8001_IO_DBG(pm8001_ha,
2839		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2840		ts->resp = SAS_TASK_COMPLETE;
2841		ts->stat = SAS_OPEN_TO;
2842		break;
2843	case IO_XFER_ERROR_OFFSET_MISMATCH:
2844		PM8001_IO_DBG(pm8001_ha,
2845			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2846		ts->resp = SAS_TASK_COMPLETE;
2847		ts->stat = SAS_OPEN_TO;
2848		break;
2849	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2850		PM8001_IO_DBG(pm8001_ha,
2851			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2852		ts->resp = SAS_TASK_COMPLETE;
2853		ts->stat = SAS_OPEN_TO;
2854		break;
2855	case IO_XFER_CMD_FRAME_ISSUED:
2856		PM8001_IO_DBG(pm8001_ha,
2857			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2858		break;
2859	case IO_XFER_PIO_SETUP_ERROR:
2860		PM8001_IO_DBG(pm8001_ha,
2861			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2862		ts->resp = SAS_TASK_COMPLETE;
2863		ts->stat = SAS_OPEN_TO;
2864		break;
2865	default:
2866		PM8001_IO_DBG(pm8001_ha,
2867			pm8001_printk("Unknown status 0x%x\n", event));
2868		/* not allowed case. Therefore, return failed status */
2869		ts->resp = SAS_TASK_COMPLETE;
2870		ts->stat = SAS_OPEN_TO;
2871		break;
2872	}
2873	spin_lock_irqsave(&t->task_state_lock, flags);
2874	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2875	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2876	t->task_state_flags |= SAS_TASK_STATE_DONE;
2877	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2878		spin_unlock_irqrestore(&t->task_state_lock, flags);
2879		PM8001_FAIL_DBG(pm8001_ha,
2880			pm8001_printk("task 0x%p done with io_status 0x%x"
2881			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2882			t, event, ts->resp, ts->stat));
2883		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2884	} else {
2885		spin_unlock_irqrestore(&t->task_state_lock, flags);
2886		pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2887	}
2888}
2889
2890/*See the comments for mpi_ssp_completion */
2891static void
2892mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2893{
2894	u32 param;
2895	struct sas_task *t;
2896	struct pm8001_ccb_info *ccb;
2897	unsigned long flags;
2898	u32 status;
2899	u32 tag;
2900	struct smp_completion_resp *psmpPayload;
2901	struct task_status_struct *ts;
2902	struct pm8001_device *pm8001_dev;
2903
2904	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2905	status = le32_to_cpu(psmpPayload->status);
2906	tag = le32_to_cpu(psmpPayload->tag);
2907
2908	ccb = &pm8001_ha->ccb_info[tag];
2909	param = le32_to_cpu(psmpPayload->param);
2910	t = ccb->task;
2911	ts = &t->task_status;
2912	pm8001_dev = ccb->device;
2913	if (status)
2914		PM8001_FAIL_DBG(pm8001_ha,
2915			pm8001_printk("smp IO status 0x%x\n", status));
2916	if (unlikely(!t || !t->lldd_task || !t->dev))
2917		return;
2918
2919	switch (status) {
2920	case IO_SUCCESS:
2921		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2922		ts->resp = SAS_TASK_COMPLETE;
2923		ts->stat = SAM_STAT_GOOD;
2924	if (pm8001_dev)
2925			pm8001_dev->running_req--;
2926		break;
2927	case IO_ABORTED:
2928		PM8001_IO_DBG(pm8001_ha,
2929			pm8001_printk("IO_ABORTED IOMB\n"));
2930		ts->resp = SAS_TASK_COMPLETE;
2931		ts->stat = SAS_ABORTED_TASK;
2932		if (pm8001_dev)
2933			pm8001_dev->running_req--;
2934		break;
2935	case IO_OVERFLOW:
2936		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2937		ts->resp = SAS_TASK_COMPLETE;
2938		ts->stat = SAS_DATA_OVERRUN;
2939		ts->residual = 0;
2940		if (pm8001_dev)
2941			pm8001_dev->running_req--;
2942		break;
2943	case IO_NO_DEVICE:
2944		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2945		ts->resp = SAS_TASK_COMPLETE;
2946		ts->stat = SAS_PHY_DOWN;
2947		break;
2948	case IO_ERROR_HW_TIMEOUT:
2949		PM8001_IO_DBG(pm8001_ha,
2950			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2951		ts->resp = SAS_TASK_COMPLETE;
2952		ts->stat = SAM_STAT_BUSY;
2953		break;
2954	case IO_XFER_ERROR_BREAK:
2955		PM8001_IO_DBG(pm8001_ha,
2956			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2957		ts->resp = SAS_TASK_COMPLETE;
2958		ts->stat = SAM_STAT_BUSY;
2959		break;
2960	case IO_XFER_ERROR_PHY_NOT_READY:
2961		PM8001_IO_DBG(pm8001_ha,
2962			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2963		ts->resp = SAS_TASK_COMPLETE;
2964		ts->stat = SAM_STAT_BUSY;
2965		break;
2966	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2967		PM8001_IO_DBG(pm8001_ha,
2968		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2969		ts->resp = SAS_TASK_COMPLETE;
2970		ts->stat = SAS_OPEN_REJECT;
2971		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2972		break;
2973	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2974		PM8001_IO_DBG(pm8001_ha,
2975			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2976		ts->resp = SAS_TASK_COMPLETE;
2977		ts->stat = SAS_OPEN_REJECT;
2978		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2979		break;
2980	case IO_OPEN_CNX_ERROR_BREAK:
2981		PM8001_IO_DBG(pm8001_ha,
2982			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2983		ts->resp = SAS_TASK_COMPLETE;
2984		ts->stat = SAS_OPEN_REJECT;
2985		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2986		break;
2987	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2988		PM8001_IO_DBG(pm8001_ha,
2989			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2990		ts->resp = SAS_TASK_COMPLETE;
2991		ts->stat = SAS_OPEN_REJECT;
2992		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2993		pm8001_handle_event(pm8001_ha,
2994				pm8001_dev,
2995				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2996		break;
2997	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2998		PM8001_IO_DBG(pm8001_ha,
2999			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
3000		ts->resp = SAS_TASK_COMPLETE;
3001		ts->stat = SAS_OPEN_REJECT;
3002		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
3003		break;
3004	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
3005		PM8001_IO_DBG(pm8001_ha,
3006			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
3007			"NOT_SUPPORTED\n"));
3008		ts->resp = SAS_TASK_COMPLETE;
3009		ts->stat = SAS_OPEN_REJECT;
3010		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
3011		break;
3012	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
3013		PM8001_IO_DBG(pm8001_ha,
3014		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
3015		ts->resp = SAS_TASK_COMPLETE;
3016		ts->stat = SAS_OPEN_REJECT;
3017		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3018		break;
3019	case IO_XFER_ERROR_RX_FRAME:
3020		PM8001_IO_DBG(pm8001_ha,
3021			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
3022		ts->resp = SAS_TASK_COMPLETE;
3023		ts->stat = SAS_DEV_NO_RESPONSE;
3024		break;
3025	case IO_XFER_OPEN_RETRY_TIMEOUT:
3026		PM8001_IO_DBG(pm8001_ha,
3027			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
3028		ts->resp = SAS_TASK_COMPLETE;
3029		ts->stat = SAS_OPEN_REJECT;
3030		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3031		break;
3032	case IO_ERROR_INTERNAL_SMP_RESOURCE:
3033		PM8001_IO_DBG(pm8001_ha,
3034			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
3035		ts->resp = SAS_TASK_COMPLETE;
3036		ts->stat = SAS_QUEUE_FULL;
3037		break;
3038	case IO_PORT_IN_RESET:
3039		PM8001_IO_DBG(pm8001_ha,
3040			pm8001_printk("IO_PORT_IN_RESET\n"));
3041		ts->resp = SAS_TASK_COMPLETE;
3042		ts->stat = SAS_OPEN_REJECT;
3043		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3044		break;
3045	case IO_DS_NON_OPERATIONAL:
3046		PM8001_IO_DBG(pm8001_ha,
3047			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
3048		ts->resp = SAS_TASK_COMPLETE;
3049		ts->stat = SAS_DEV_NO_RESPONSE;
3050		break;
3051	case IO_DS_IN_RECOVERY:
3052		PM8001_IO_DBG(pm8001_ha,
3053			pm8001_printk("IO_DS_IN_RECOVERY\n"));
3054		ts->resp = SAS_TASK_COMPLETE;
3055		ts->stat = SAS_OPEN_REJECT;
3056		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3057		break;
3058	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3059		PM8001_IO_DBG(pm8001_ha,
3060			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
3061		ts->resp = SAS_TASK_COMPLETE;
3062		ts->stat = SAS_OPEN_REJECT;
3063		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3064		break;
3065	default:
3066		PM8001_IO_DBG(pm8001_ha,
3067			pm8001_printk("Unknown status 0x%x\n", status));
3068		ts->resp = SAS_TASK_COMPLETE;
3069		ts->stat = SAS_DEV_NO_RESPONSE;
3070		/* not allowed case. Therefore, return failed status */
3071		break;
3072	}
3073	spin_lock_irqsave(&t->task_state_lock, flags);
3074	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3075	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3076	t->task_state_flags |= SAS_TASK_STATE_DONE;
3077	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3078		spin_unlock_irqrestore(&t->task_state_lock, flags);
3079		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
3080			" io_status 0x%x resp 0x%x "
3081			"stat 0x%x but aborted by upper layer!\n",
3082			t, status, ts->resp, ts->stat));
3083		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3084	} else {
3085		spin_unlock_irqrestore(&t->task_state_lock, flags);
3086		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3087		mb();/* in order to force CPU ordering */
3088		t->task_done(t);
3089	}
3090}
3091
3092void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
3093		void *piomb)
3094{
3095	struct set_dev_state_resp *pPayload =
3096		(struct set_dev_state_resp *)(piomb + 4);
3097	u32 tag = le32_to_cpu(pPayload->tag);
3098	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3099	struct pm8001_device *pm8001_dev = ccb->device;
3100	u32 status = le32_to_cpu(pPayload->status);
3101	u32 device_id = le32_to_cpu(pPayload->device_id);
3102	u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
3103	u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
3104	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set device id = 0x%x state "
3105		"from 0x%x to 0x%x status = 0x%x!\n",
3106		device_id, pds, nds, status));
3107	complete(pm8001_dev->setds_completion);
3108	ccb->task = NULL;
3109	ccb->ccb_tag = 0xFFFFFFFF;
3110	pm8001_tag_free(pm8001_ha, tag);
3111}
3112
3113void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3114{
3115	struct get_nvm_data_resp *pPayload =
3116		(struct get_nvm_data_resp *)(piomb + 4);
3117	u32 tag = le32_to_cpu(pPayload->tag);
3118	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3119	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3120	complete(pm8001_ha->nvmd_completion);
3121	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set nvm data complete!\n"));
3122	if ((dlen_status & NVMD_STAT) != 0) {
3123		PM8001_FAIL_DBG(pm8001_ha,
3124			pm8001_printk("Set nvm data error!\n"));
3125		return;
3126	}
3127	ccb->task = NULL;
3128	ccb->ccb_tag = 0xFFFFFFFF;
3129	pm8001_tag_free(pm8001_ha, tag);
3130}
3131
3132void
3133pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3134{
3135	struct fw_control_ex    *fw_control_context;
3136	struct get_nvm_data_resp *pPayload =
3137		(struct get_nvm_data_resp *)(piomb + 4);
3138	u32 tag = le32_to_cpu(pPayload->tag);
3139	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3140	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3141	u32 ir_tds_bn_dps_das_nvm =
3142		le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
3143	void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
3144	fw_control_context = ccb->fw_control_context;
3145
3146	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
3147	if ((dlen_status & NVMD_STAT) != 0) {
3148		PM8001_FAIL_DBG(pm8001_ha,
3149			pm8001_printk("Get nvm data error!\n"));
3150		complete(pm8001_ha->nvmd_completion);
3151		return;
3152	}
3153
3154	if (ir_tds_bn_dps_das_nvm & IPMode) {
3155		/* indirect mode - IR bit set */
3156		PM8001_MSG_DBG(pm8001_ha,
3157			pm8001_printk("Get NVMD success, IR=1\n"));
3158		if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
3159			if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
3160				memcpy(pm8001_ha->sas_addr,
3161				      ((u8 *)virt_addr + 4),
3162				       SAS_ADDR_SIZE);
3163				PM8001_MSG_DBG(pm8001_ha,
3164					pm8001_printk("Get SAS address"
3165					" from VPD successfully!\n"));
3166			}
3167		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
3168			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
3169			((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
3170				;
3171		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
3172			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
3173			;
3174		} else {
3175			/* Should not be happened*/
3176			PM8001_MSG_DBG(pm8001_ha,
3177				pm8001_printk("(IR=1)Wrong Device type 0x%x\n",
3178				ir_tds_bn_dps_das_nvm));
3179		}
3180	} else /* direct mode */{
3181		PM8001_MSG_DBG(pm8001_ha,
3182			pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
3183			(dlen_status & NVMD_LEN) >> 24));
3184	}
3185	/* Though fw_control_context is freed below, usrAddr still needs
3186	 * to be updated as this holds the response to the request function
3187	 */
3188	memcpy(fw_control_context->usrAddr,
3189		pm8001_ha->memoryMap.region[NVMD].virt_ptr,
3190		fw_control_context->len);
3191	kfree(ccb->fw_control_context);
3192	ccb->task = NULL;
3193	ccb->ccb_tag = 0xFFFFFFFF;
3194	pm8001_tag_free(pm8001_ha, tag);
3195	complete(pm8001_ha->nvmd_completion);
3196}
3197
3198int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
3199{
3200	struct local_phy_ctl_resp *pPayload =
3201		(struct local_phy_ctl_resp *)(piomb + 4);
3202	u32 status = le32_to_cpu(pPayload->status);
3203	u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
3204	u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
3205	if (status != 0) {
3206		PM8001_MSG_DBG(pm8001_ha,
3207			pm8001_printk("%x phy execute %x phy op failed!\n",
3208			phy_id, phy_op));
3209	} else
3210		PM8001_MSG_DBG(pm8001_ha,
3211			pm8001_printk("%x phy execute %x phy op success!\n",
3212			phy_id, phy_op));
3213	return 0;
3214}
3215
3216/**
3217 * pm8001_bytes_dmaed - one of the interface function communication with libsas
3218 * @pm8001_ha: our hba card information
3219 * @i: which phy that received the event.
3220 *
3221 * when HBA driver received the identify done event or initiate FIS received
3222 * event(for SATA), it will invoke this function to notify the sas layer that
3223 * the sas toplogy has formed, please discover the the whole sas domain,
3224 * while receive a broadcast(change) primitive just tell the sas
3225 * layer to discover the changed domain rather than the whole domain.
3226 */
3227void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
3228{
3229	struct pm8001_phy *phy = &pm8001_ha->phy[i];
3230	struct asd_sas_phy *sas_phy = &phy->sas_phy;
3231	struct sas_ha_struct *sas_ha;
3232	if (!phy->phy_attached)
3233		return;
3234
3235	sas_ha = pm8001_ha->sas;
3236	if (sas_phy->phy) {
3237		struct sas_phy *sphy = sas_phy->phy;
3238		sphy->negotiated_linkrate = sas_phy->linkrate;
3239		sphy->minimum_linkrate = phy->minimum_linkrate;
3240		sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3241		sphy->maximum_linkrate = phy->maximum_linkrate;
3242		sphy->maximum_linkrate_hw = phy->maximum_linkrate;
3243	}
3244
3245	if (phy->phy_type & PORT_TYPE_SAS) {
3246		struct sas_identify_frame *id;
3247		id = (struct sas_identify_frame *)phy->frame_rcvd;
3248		id->dev_type = phy->identify.device_type;
3249		id->initiator_bits = SAS_PROTOCOL_ALL;
3250		id->target_bits = phy->identify.target_port_protocols;
3251	} else if (phy->phy_type & PORT_TYPE_SATA) {
3252		/*Nothing*/
3253	}
3254	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("phy %d byte dmaded.\n", i));
3255
3256	sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3257	pm8001_ha->sas->notify_port_event(sas_phy, PORTE_BYTES_DMAED);
3258}
3259
3260/* Get the link rate speed  */
3261void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3262{
3263	struct sas_phy *sas_phy = phy->sas_phy.phy;
3264
3265	switch (link_rate) {
3266	case PHY_SPEED_60:
3267		phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
3268		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3269		break;
3270	case PHY_SPEED_30:
3271		phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3272		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3273		break;
3274	case PHY_SPEED_15:
3275		phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3276		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3277		break;
3278	}
3279	sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3280	sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
3281	sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3282	sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
3283	sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3284}
3285
3286/**
3287 * asd_get_attached_sas_addr -- extract/generate attached SAS address
3288 * @phy: pointer to asd_phy
3289 * @sas_addr: pointer to buffer where the SAS address is to be written
3290 *
3291 * This function extracts the SAS address from an IDENTIFY frame
3292 * received.  If OOB is SATA, then a SAS address is generated from the
3293 * HA tables.
3294 *
3295 * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3296 * buffer.
3297 */
3298void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3299	u8 *sas_addr)
3300{
3301	if (phy->sas_phy.frame_rcvd[0] == 0x34
3302		&& phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3303		struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3304		/* FIS device-to-host */
3305		u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3306		addr += phy->sas_phy.id;
3307		*(__be64 *)sas_addr = cpu_to_be64(addr);
3308	} else {
3309		struct sas_identify_frame *idframe =
3310			(void *) phy->sas_phy.frame_rcvd;
3311		memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3312	}
3313}
3314
3315/**
3316 * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3317 * @pm8001_ha: our hba card information
3318 * @Qnum: the outbound queue message number.
3319 * @SEA: source of event to ack
3320 * @port_id: port id.
3321 * @phyId: phy id.
3322 * @param0: parameter 0.
3323 * @param1: parameter 1.
3324 */
3325static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3326	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3327{
3328	struct hw_event_ack_req	 payload;
3329	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3330
3331	struct inbound_queue_table *circularQ;
3332
3333	memset((u8 *)&payload, 0, sizeof(payload));
3334	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3335	payload.tag = cpu_to_le32(1);
3336	payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3337		((phyId & 0x0F) << 4) | (port_id & 0x0F));
3338	payload.param0 = cpu_to_le32(param0);
3339	payload.param1 = cpu_to_le32(param1);
3340	pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
3341}
3342
3343static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3344	u32 phyId, u32 phy_op);
3345
3346/**
3347 * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3348 * @pm8001_ha: our hba card information
3349 * @piomb: IO message buffer
3350 */
3351static void
3352hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3353{
3354	struct hw_event_resp *pPayload =
3355		(struct hw_event_resp *)(piomb + 4);
3356	u32 lr_evt_status_phyid_portid =
3357		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3358	u8 link_rate =
3359		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3360	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3361	u8 phy_id =
3362		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3363	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3364	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3365	struct pm8001_port *port = &pm8001_ha->port[port_id];
3366	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3367	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3368	unsigned long flags;
3369	u8 deviceType = pPayload->sas_identify.dev_type;
3370	port->port_state =  portstate;
3371	phy->phy_state = PHY_STATE_LINK_UP_SPC;
3372	PM8001_MSG_DBG(pm8001_ha,
3373		pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3374		port_id, phy_id));
3375
3376	switch (deviceType) {
3377	case SAS_PHY_UNUSED:
3378		PM8001_MSG_DBG(pm8001_ha,
3379			pm8001_printk("device type no device.\n"));
3380		break;
3381	case SAS_END_DEVICE:
3382		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
3383		pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3384			PHY_NOTIFY_ENABLE_SPINUP);
3385		port->port_attached = 1;
3386		pm8001_get_lrate_mode(phy, link_rate);
3387		break;
3388	case SAS_EDGE_EXPANDER_DEVICE:
3389		PM8001_MSG_DBG(pm8001_ha,
3390			pm8001_printk("expander device.\n"));
3391		port->port_attached = 1;
3392		pm8001_get_lrate_mode(phy, link_rate);
3393		break;
3394	case SAS_FANOUT_EXPANDER_DEVICE:
3395		PM8001_MSG_DBG(pm8001_ha,
3396			pm8001_printk("fanout expander device.\n"));
3397		port->port_attached = 1;
3398		pm8001_get_lrate_mode(phy, link_rate);
3399		break;
3400	default:
3401		PM8001_MSG_DBG(pm8001_ha,
3402			pm8001_printk("unknown device type(%x)\n", deviceType));
3403		break;
3404	}
3405	phy->phy_type |= PORT_TYPE_SAS;
3406	phy->identify.device_type = deviceType;
3407	phy->phy_attached = 1;
3408	if (phy->identify.device_type == SAS_END_DEVICE)
3409		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3410	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3411		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3412	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3413	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3414	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3415	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3416		sizeof(struct sas_identify_frame)-4);
3417	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3418	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3419	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3420	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3421		mdelay(200);/*delay a moment to wait disk to spinup*/
3422	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3423}
3424
3425/**
3426 * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3427 * @pm8001_ha: our hba card information
3428 * @piomb: IO message buffer
3429 */
3430static void
3431hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3432{
3433	struct hw_event_resp *pPayload =
3434		(struct hw_event_resp *)(piomb + 4);
3435	u32 lr_evt_status_phyid_portid =
3436		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3437	u8 link_rate =
3438		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3439	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3440	u8 phy_id =
3441		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3442	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3443	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3444	struct pm8001_port *port = &pm8001_ha->port[port_id];
3445	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3446	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3447	unsigned long flags;
3448	PM8001_MSG_DBG(pm8001_ha,
3449		pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
3450		" phy id = %d\n", port_id, phy_id));
3451	port->port_state =  portstate;
3452	phy->phy_state = PHY_STATE_LINK_UP_SPC;
3453	port->port_attached = 1;
3454	pm8001_get_lrate_mode(phy, link_rate);
3455	phy->phy_type |= PORT_TYPE_SATA;
3456	phy->phy_attached = 1;
3457	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3458	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3459	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3460	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3461		sizeof(struct dev_to_host_fis));
3462	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3463	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3464	phy->identify.device_type = SAS_SATA_DEV;
3465	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3466	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3467	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3468}
3469
3470/**
3471 * hw_event_phy_down -we should notify the libsas the phy is down.
3472 * @pm8001_ha: our hba card information
3473 * @piomb: IO message buffer
3474 */
3475static void
3476hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3477{
3478	struct hw_event_resp *pPayload =
3479		(struct hw_event_resp *)(piomb + 4);
3480	u32 lr_evt_status_phyid_portid =
3481		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3482	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3483	u8 phy_id =
3484		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3485	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3486	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3487	struct pm8001_port *port = &pm8001_ha->port[port_id];
3488	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3489	port->port_state =  portstate;
3490	phy->phy_type = 0;
3491	phy->identify.device_type = 0;
3492	phy->phy_attached = 0;
3493	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3494	switch (portstate) {
3495	case PORT_VALID:
3496		break;
3497	case PORT_INVALID:
3498		PM8001_MSG_DBG(pm8001_ha,
3499			pm8001_printk(" PortInvalid portID %d\n", port_id));
3500		PM8001_MSG_DBG(pm8001_ha,
3501			pm8001_printk(" Last phy Down and port invalid\n"));
3502		port->port_attached = 0;
3503		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3504			port_id, phy_id, 0, 0);
3505		break;
3506	case PORT_IN_RESET:
3507		PM8001_MSG_DBG(pm8001_ha,
3508			pm8001_printk(" Port In Reset portID %d\n", port_id));
3509		break;
3510	case PORT_NOT_ESTABLISHED:
3511		PM8001_MSG_DBG(pm8001_ha,
3512			pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
3513		port->port_attached = 0;
3514		break;
3515	case PORT_LOSTCOMM:
3516		PM8001_MSG_DBG(pm8001_ha,
3517			pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
3518		PM8001_MSG_DBG(pm8001_ha,
3519			pm8001_printk(" Last phy Down and port invalid\n"));
3520		port->port_attached = 0;
3521		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3522			port_id, phy_id, 0, 0);
3523		break;
3524	default:
3525		port->port_attached = 0;
3526		PM8001_MSG_DBG(pm8001_ha,
3527			pm8001_printk(" phy Down and(default) = %x\n",
3528			portstate));
3529		break;
3530
3531	}
3532}
3533
3534/**
3535 * pm8001_mpi_reg_resp -process register device ID response.
3536 * @pm8001_ha: our hba card information
3537 * @piomb: IO message buffer
3538 *
3539 * when sas layer find a device it will notify LLDD, then the driver register
3540 * the domain device to FW, this event is the return device ID which the FW
3541 * has assigned, from now,inter-communication with FW is no longer using the
3542 * SAS address, use device ID which FW assigned.
3543 */
3544int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3545{
3546	u32 status;
3547	u32 device_id;
3548	u32 htag;
3549	struct pm8001_ccb_info *ccb;
3550	struct pm8001_device *pm8001_dev;
3551	struct dev_reg_resp *registerRespPayload =
3552		(struct dev_reg_resp *)(piomb + 4);
3553
3554	htag = le32_to_cpu(registerRespPayload->tag);
3555	ccb = &pm8001_ha->ccb_info[htag];
3556	pm8001_dev = ccb->device;
3557	status = le32_to_cpu(registerRespPayload->status);
3558	device_id = le32_to_cpu(registerRespPayload->device_id);
3559	PM8001_MSG_DBG(pm8001_ha,
3560		pm8001_printk(" register device is status = %d\n", status));
3561	switch (status) {
3562	case DEVREG_SUCCESS:
3563		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("DEVREG_SUCCESS\n"));
3564		pm8001_dev->device_id = device_id;
3565		break;
3566	case DEVREG_FAILURE_OUT_OF_RESOURCE:
3567		PM8001_MSG_DBG(pm8001_ha,
3568			pm8001_printk("DEVREG_FAILURE_OUT_OF_RESOURCE\n"));
3569		break;
3570	case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3571		PM8001_MSG_DBG(pm8001_ha,
3572		   pm8001_printk("DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n"));
3573		break;
3574	case DEVREG_FAILURE_INVALID_PHY_ID:
3575		PM8001_MSG_DBG(pm8001_ha,
3576			pm8001_printk("DEVREG_FAILURE_INVALID_PHY_ID\n"));
3577		break;
3578	case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3579		PM8001_MSG_DBG(pm8001_ha,
3580		   pm8001_printk("DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n"));
3581		break;
3582	case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3583		PM8001_MSG_DBG(pm8001_ha,
3584			pm8001_printk("DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n"));
3585		break;
3586	case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3587		PM8001_MSG_DBG(pm8001_ha,
3588			pm8001_printk("DEVREG_FAILURE_PORT_NOT_VALID_STATE\n"));
3589		break;
3590	case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3591		PM8001_MSG_DBG(pm8001_ha,
3592		       pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n"));
3593		break;
3594	default:
3595		PM8001_MSG_DBG(pm8001_ha,
3596		 pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_UNSORPORTED\n"));
3597		break;
3598	}
3599	complete(pm8001_dev->dcompletion);
3600	ccb->task = NULL;
3601	ccb->ccb_tag = 0xFFFFFFFF;
3602	pm8001_tag_free(pm8001_ha, htag);
3603	return 0;
3604}
3605
3606int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3607{
3608	u32 status;
3609	u32 device_id;
3610	struct dev_reg_resp *registerRespPayload =
3611		(struct dev_reg_resp *)(piomb + 4);
3612
3613	status = le32_to_cpu(registerRespPayload->status);
3614	device_id = le32_to_cpu(registerRespPayload->device_id);
3615	if (status != 0)
3616		PM8001_MSG_DBG(pm8001_ha,
3617			pm8001_printk(" deregister device failed ,status = %x"
3618			", device_id = %x\n", status, device_id));
3619	return 0;
3620}
3621
3622/**
3623 * fw_flash_update_resp - Response from FW for flash update command.
3624 * @pm8001_ha: our hba card information
3625 * @piomb: IO message buffer
3626 */
3627int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3628		void *piomb)
3629{
3630	u32 status;
3631	struct fw_flash_Update_resp *ppayload =
3632		(struct fw_flash_Update_resp *)(piomb + 4);
3633	u32 tag = le32_to_cpu(ppayload->tag);
3634	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3635	status = le32_to_cpu(ppayload->status);
3636	switch (status) {
3637	case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3638		PM8001_MSG_DBG(pm8001_ha,
3639		pm8001_printk(": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n"));
3640		break;
3641	case FLASH_UPDATE_IN_PROGRESS:
3642		PM8001_MSG_DBG(pm8001_ha,
3643			pm8001_printk(": FLASH_UPDATE_IN_PROGRESS\n"));
3644		break;
3645	case FLASH_UPDATE_HDR_ERR:
3646		PM8001_MSG_DBG(pm8001_ha,
3647			pm8001_printk(": FLASH_UPDATE_HDR_ERR\n"));
3648		break;
3649	case FLASH_UPDATE_OFFSET_ERR:
3650		PM8001_MSG_DBG(pm8001_ha,
3651			pm8001_printk(": FLASH_UPDATE_OFFSET_ERR\n"));
3652		break;
3653	case FLASH_UPDATE_CRC_ERR:
3654		PM8001_MSG_DBG(pm8001_ha,
3655			pm8001_printk(": FLASH_UPDATE_CRC_ERR\n"));
3656		break;
3657	case FLASH_UPDATE_LENGTH_ERR:
3658		PM8001_MSG_DBG(pm8001_ha,
3659			pm8001_printk(": FLASH_UPDATE_LENGTH_ERR\n"));
3660		break;
3661	case FLASH_UPDATE_HW_ERR:
3662		PM8001_MSG_DBG(pm8001_ha,
3663			pm8001_printk(": FLASH_UPDATE_HW_ERR\n"));
3664		break;
3665	case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3666		PM8001_MSG_DBG(pm8001_ha,
3667			pm8001_printk(": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n"));
3668		break;
3669	case FLASH_UPDATE_DISABLED:
3670		PM8001_MSG_DBG(pm8001_ha,
3671			pm8001_printk(": FLASH_UPDATE_DISABLED\n"));
3672		break;
3673	default:
3674		PM8001_MSG_DBG(pm8001_ha,
3675			pm8001_printk("No matched status = %d\n", status));
3676		break;
3677	}
3678	kfree(ccb->fw_control_context);
3679	ccb->task = NULL;
3680	ccb->ccb_tag = 0xFFFFFFFF;
3681	pm8001_tag_free(pm8001_ha, tag);
3682	complete(pm8001_ha->nvmd_completion);
3683	return 0;
3684}
3685
3686int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
3687{
3688	u32 status;
3689	int i;
3690	struct general_event_resp *pPayload =
3691		(struct general_event_resp *)(piomb + 4);
3692	status = le32_to_cpu(pPayload->status);
3693	PM8001_MSG_DBG(pm8001_ha,
3694		pm8001_printk(" status = 0x%x\n", status));
3695	for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3696		PM8001_MSG_DBG(pm8001_ha,
3697			pm8001_printk("inb_IOMB_payload[0x%x] 0x%x,\n", i,
3698			pPayload->inb_IOMB_payload[i]));
3699	return 0;
3700}
3701
3702int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3703{
3704	struct sas_task *t;
3705	struct pm8001_ccb_info *ccb;
3706	unsigned long flags;
3707	u32 status ;
3708	u32 tag, scp;
3709	struct task_status_struct *ts;
3710	struct pm8001_device *pm8001_dev;
3711
3712	struct task_abort_resp *pPayload =
3713		(struct task_abort_resp *)(piomb + 4);
3714
3715	status = le32_to_cpu(pPayload->status);
3716	tag = le32_to_cpu(pPayload->tag);
3717	if (!tag) {
3718		PM8001_FAIL_DBG(pm8001_ha,
3719			pm8001_printk(" TAG NULL. RETURNING !!!"));
3720		return -1;
3721	}
3722
3723	scp = le32_to_cpu(pPayload->scp);
3724	ccb = &pm8001_ha->ccb_info[tag];
3725	t = ccb->task;
3726	pm8001_dev = ccb->device; /* retrieve device */
3727
3728	if (!t)	{
3729		PM8001_FAIL_DBG(pm8001_ha,
3730			pm8001_printk(" TASK NULL. RETURNING !!!"));
3731		return -1;
3732	}
3733	ts = &t->task_status;
3734	if (status != 0)
3735		PM8001_FAIL_DBG(pm8001_ha,
3736			pm8001_printk("task abort failed status 0x%x ,"
3737			"tag = 0x%x, scp= 0x%x\n", status, tag, scp));
3738	switch (status) {
3739	case IO_SUCCESS:
3740		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
3741		ts->resp = SAS_TASK_COMPLETE;
3742		ts->stat = SAM_STAT_GOOD;
3743		break;
3744	case IO_NOT_VALID:
3745		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));
3746		ts->resp = TMF_RESP_FUNC_FAILED;
3747		break;
3748	}
3749	spin_lock_irqsave(&t->task_state_lock, flags);
3750	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3751	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3752	t->task_state_flags |= SAS_TASK_STATE_DONE;
3753	spin_unlock_irqrestore(&t->task_state_lock, flags);
3754	pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3755	mb();
3756
3757	if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) {
3758		pm8001_tag_free(pm8001_ha, tag);
3759		sas_free_task(t);
3760		/* clear the flag */
3761		pm8001_dev->id &= 0xBFFFFFFF;
3762	} else
3763		t->task_done(t);
3764
3765	return 0;
3766}
3767
3768/**
3769 * mpi_hw_event -The hw event has come.
3770 * @pm8001_ha: our hba card information
3771 * @piomb: IO message buffer
3772 */
3773static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
3774{
3775	unsigned long flags;
3776	struct hw_event_resp *pPayload =
3777		(struct hw_event_resp *)(piomb + 4);
3778	u32 lr_evt_status_phyid_portid =
3779		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3780	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3781	u8 phy_id =
3782		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3783	u16 eventType =
3784		(u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3785	u8 status =
3786		(u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3787	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3788	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3789	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3790	PM8001_MSG_DBG(pm8001_ha,
3791		pm8001_printk("outbound queue HW event & event type : "));
3792	switch (eventType) {
3793	case HW_EVENT_PHY_START_STATUS:
3794		PM8001_MSG_DBG(pm8001_ha,
3795		pm8001_printk("HW_EVENT_PHY_START_STATUS"
3796			" status = %x\n", status));
3797		if (status == 0) {
3798			phy->phy_state = 1;
3799			if (pm8001_ha->flags == PM8001F_RUN_TIME)
3800				complete(phy->enable_completion);
3801		}
3802		break;
3803	case HW_EVENT_SAS_PHY_UP:
3804		PM8001_MSG_DBG(pm8001_ha,
3805			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3806		hw_event_sas_phy_up(pm8001_ha, piomb);
3807		break;
3808	case HW_EVENT_SATA_PHY_UP:
3809		PM8001_MSG_DBG(pm8001_ha,
3810			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3811		hw_event_sata_phy_up(pm8001_ha, piomb);
3812		break;
3813	case HW_EVENT_PHY_STOP_STATUS:
3814		PM8001_MSG_DBG(pm8001_ha,
3815			pm8001_printk("HW_EVENT_PHY_STOP_STATUS "
3816			"status = %x\n", status));
3817		if (status == 0)
3818			phy->phy_state = 0;
3819		break;
3820	case HW_EVENT_SATA_SPINUP_HOLD:
3821		PM8001_MSG_DBG(pm8001_ha,
3822			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3823		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3824		break;
3825	case HW_EVENT_PHY_DOWN:
3826		PM8001_MSG_DBG(pm8001_ha,
3827			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3828		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3829		phy->phy_attached = 0;
3830		phy->phy_state = 0;
3831		hw_event_phy_down(pm8001_ha, piomb);
3832		break;
3833	case HW_EVENT_PORT_INVALID:
3834		PM8001_MSG_DBG(pm8001_ha,
3835			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3836		sas_phy_disconnected(sas_phy);
3837		phy->phy_attached = 0;
3838		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3839		break;
3840	/* the broadcast change primitive received, tell the LIBSAS this event
3841	to revalidate the sas domain*/
3842	case HW_EVENT_BROADCAST_CHANGE:
3843		PM8001_MSG_DBG(pm8001_ha,
3844			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3845		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3846			port_id, phy_id, 1, 0);
3847		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3848		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3849		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3850		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3851		break;
3852	case HW_EVENT_PHY_ERROR:
3853		PM8001_MSG_DBG(pm8001_ha,
3854			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3855		sas_phy_disconnected(&phy->sas_phy);
3856		phy->phy_attached = 0;
3857		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3858		break;
3859	case HW_EVENT_BROADCAST_EXP:
3860		PM8001_MSG_DBG(pm8001_ha,
3861			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3862		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3863		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3864		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3865		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3866		break;
3867	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3868		PM8001_MSG_DBG(pm8001_ha,
3869			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3870		pm8001_hw_event_ack_req(pm8001_ha, 0,
3871			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3872		sas_phy_disconnected(sas_phy);
3873		phy->phy_attached = 0;
3874		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3875		break;
3876	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3877		PM8001_MSG_DBG(pm8001_ha,
3878			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3879		pm8001_hw_event_ack_req(pm8001_ha, 0,
3880			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3881			port_id, phy_id, 0, 0);
3882		sas_phy_disconnected(sas_phy);
3883		phy->phy_attached = 0;
3884		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3885		break;
3886	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3887		PM8001_MSG_DBG(pm8001_ha,
3888			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3889		pm8001_hw_event_ack_req(pm8001_ha, 0,
3890			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3891			port_id, phy_id, 0, 0);
3892		sas_phy_disconnected(sas_phy);
3893		phy->phy_attached = 0;
3894		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3895		break;
3896	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3897		PM8001_MSG_DBG(pm8001_ha,
3898		      pm8001_printk("HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3899		pm8001_hw_event_ack_req(pm8001_ha, 0,
3900			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3901			port_id, phy_id, 0, 0);
3902		sas_phy_disconnected(sas_phy);
3903		phy->phy_attached = 0;
3904		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3905		break;
3906	case HW_EVENT_MALFUNCTION:
3907		PM8001_MSG_DBG(pm8001_ha,
3908			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3909		break;
3910	case HW_EVENT_BROADCAST_SES:
3911		PM8001_MSG_DBG(pm8001_ha,
3912			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3913		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3914		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3915		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3916		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3917		break;
3918	case HW_EVENT_INBOUND_CRC_ERROR:
3919		PM8001_MSG_DBG(pm8001_ha,
3920			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3921		pm8001_hw_event_ack_req(pm8001_ha, 0,
3922			HW_EVENT_INBOUND_CRC_ERROR,
3923			port_id, phy_id, 0, 0);
3924		break;
3925	case HW_EVENT_HARD_RESET_RECEIVED:
3926		PM8001_MSG_DBG(pm8001_ha,
3927			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3928		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3929		break;
3930	case HW_EVENT_ID_FRAME_TIMEOUT:
3931		PM8001_MSG_DBG(pm8001_ha,
3932			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3933		sas_phy_disconnected(sas_phy);
3934		phy->phy_attached = 0;
3935		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3936		break;
3937	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3938		PM8001_MSG_DBG(pm8001_ha,
3939			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3940		pm8001_hw_event_ack_req(pm8001_ha, 0,
3941			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3942			port_id, phy_id, 0, 0);
3943		sas_phy_disconnected(sas_phy);
3944		phy->phy_attached = 0;
3945		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3946		break;
3947	case HW_EVENT_PORT_RESET_TIMER_TMO:
3948		PM8001_MSG_DBG(pm8001_ha,
3949			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3950		sas_phy_disconnected(sas_phy);
3951		phy->phy_attached = 0;
3952		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3953		break;
3954	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3955		PM8001_MSG_DBG(pm8001_ha,
3956			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3957		sas_phy_disconnected(sas_phy);
3958		phy->phy_attached = 0;
3959		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3960		break;
3961	case HW_EVENT_PORT_RECOVER:
3962		PM8001_MSG_DBG(pm8001_ha,
3963			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3964		break;
3965	case HW_EVENT_PORT_RESET_COMPLETE:
3966		PM8001_MSG_DBG(pm8001_ha,
3967			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3968		break;
3969	case EVENT_BROADCAST_ASYNCH_EVENT:
3970		PM8001_MSG_DBG(pm8001_ha,
3971			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3972		break;
3973	default:
3974		PM8001_MSG_DBG(pm8001_ha,
3975			pm8001_printk("Unknown event type = %x\n", eventType));
3976		break;
3977	}
3978	return 0;
3979}
3980
3981/**
3982 * process_one_iomb - process one outbound Queue memory block
3983 * @pm8001_ha: our hba card information
3984 * @piomb: IO message buffer
3985 */
3986static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3987{
3988	__le32 pHeader = *(__le32 *)piomb;
3989	u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3990
3991	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));
3992
3993	switch (opc) {
3994	case OPC_OUB_ECHO:
3995		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3996		break;
3997	case OPC_OUB_HW_EVENT:
3998		PM8001_MSG_DBG(pm8001_ha,
3999			pm8001_printk("OPC_OUB_HW_EVENT\n"));
4000		mpi_hw_event(pm8001_ha, piomb);
4001		break;
4002	case OPC_OUB_SSP_COMP:
4003		PM8001_MSG_DBG(pm8001_ha,
4004			pm8001_printk("OPC_OUB_SSP_COMP\n"));
4005		mpi_ssp_completion(pm8001_ha, piomb);
4006		break;
4007	case OPC_OUB_SMP_COMP:
4008		PM8001_MSG_DBG(pm8001_ha,
4009			pm8001_printk("OPC_OUB_SMP_COMP\n"));
4010		mpi_smp_completion(pm8001_ha, piomb);
4011		break;
4012	case OPC_OUB_LOCAL_PHY_CNTRL:
4013		PM8001_MSG_DBG(pm8001_ha,
4014			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
4015		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
4016		break;
4017	case OPC_OUB_DEV_REGIST:
4018		PM8001_MSG_DBG(pm8001_ha,
4019			pm8001_printk("OPC_OUB_DEV_REGIST\n"));
4020		pm8001_mpi_reg_resp(pm8001_ha, piomb);
4021		break;
4022	case OPC_OUB_DEREG_DEV:
4023		PM8001_MSG_DBG(pm8001_ha,
4024			pm8001_printk("unregister the device\n"));
4025		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
4026		break;
4027	case OPC_OUB_GET_DEV_HANDLE:
4028		PM8001_MSG_DBG(pm8001_ha,
4029			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
4030		break;
4031	case OPC_OUB_SATA_COMP:
4032		PM8001_MSG_DBG(pm8001_ha,
4033			pm8001_printk("OPC_OUB_SATA_COMP\n"));
4034		mpi_sata_completion(pm8001_ha, piomb);
4035		break;
4036	case OPC_OUB_SATA_EVENT:
4037		PM8001_MSG_DBG(pm8001_ha,
4038			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
4039		mpi_sata_event(pm8001_ha, piomb);
4040		break;
4041	case OPC_OUB_SSP_EVENT:
4042		PM8001_MSG_DBG(pm8001_ha,
4043			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
4044		mpi_ssp_event(pm8001_ha, piomb);
4045		break;
4046	case OPC_OUB_DEV_HANDLE_ARRIV:
4047		PM8001_MSG_DBG(pm8001_ha,
4048			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
4049		/*This is for target*/
4050		break;
4051	case OPC_OUB_SSP_RECV_EVENT:
4052		PM8001_MSG_DBG(pm8001_ha,
4053			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
4054		/*This is for target*/
4055		break;
4056	case OPC_OUB_DEV_INFO:
4057		PM8001_MSG_DBG(pm8001_ha,
4058			pm8001_printk("OPC_OUB_DEV_INFO\n"));
4059		break;
4060	case OPC_OUB_FW_FLASH_UPDATE:
4061		PM8001_MSG_DBG(pm8001_ha,
4062			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
4063		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
4064		break;
4065	case OPC_OUB_GPIO_RESPONSE:
4066		PM8001_MSG_DBG(pm8001_ha,
4067			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
4068		break;
4069	case OPC_OUB_GPIO_EVENT:
4070		PM8001_MSG_DBG(pm8001_ha,
4071			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
4072		break;
4073	case OPC_OUB_GENERAL_EVENT:
4074		PM8001_MSG_DBG(pm8001_ha,
4075			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
4076		pm8001_mpi_general_event(pm8001_ha, piomb);
4077		break;
4078	case OPC_OUB_SSP_ABORT_RSP:
4079		PM8001_MSG_DBG(pm8001_ha,
4080			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
4081		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4082		break;
4083	case OPC_OUB_SATA_ABORT_RSP:
4084		PM8001_MSG_DBG(pm8001_ha,
4085			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
4086		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4087		break;
4088	case OPC_OUB_SAS_DIAG_MODE_START_END:
4089		PM8001_MSG_DBG(pm8001_ha,
4090			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
4091		break;
4092	case OPC_OUB_SAS_DIAG_EXECUTE:
4093		PM8001_MSG_DBG(pm8001_ha,
4094			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
4095		break;
4096	case OPC_OUB_GET_TIME_STAMP:
4097		PM8001_MSG_DBG(pm8001_ha,
4098			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
4099		break;
4100	case OPC_OUB_SAS_HW_EVENT_ACK:
4101		PM8001_MSG_DBG(pm8001_ha,
4102			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
4103		break;
4104	case OPC_OUB_PORT_CONTROL:
4105		PM8001_MSG_DBG(pm8001_ha,
4106			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
4107		break;
4108	case OPC_OUB_SMP_ABORT_RSP:
4109		PM8001_MSG_DBG(pm8001_ha,
4110			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
4111		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4112		break;
4113	case OPC_OUB_GET_NVMD_DATA:
4114		PM8001_MSG_DBG(pm8001_ha,
4115			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
4116		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
4117		break;
4118	case OPC_OUB_SET_NVMD_DATA:
4119		PM8001_MSG_DBG(pm8001_ha,
4120			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
4121		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
4122		break;
4123	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
4124		PM8001_MSG_DBG(pm8001_ha,
4125			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
4126		break;
4127	case OPC_OUB_SET_DEVICE_STATE:
4128		PM8001_MSG_DBG(pm8001_ha,
4129			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
4130		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4131		break;
4132	case OPC_OUB_GET_DEVICE_STATE:
4133		PM8001_MSG_DBG(pm8001_ha,
4134			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
4135		break;
4136	case OPC_OUB_SET_DEV_INFO:
4137		PM8001_MSG_DBG(pm8001_ha,
4138			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
4139		break;
4140	case OPC_OUB_SAS_RE_INITIALIZE:
4141		PM8001_MSG_DBG(pm8001_ha,
4142			pm8001_printk("OPC_OUB_SAS_RE_INITIALIZE\n"));
4143		break;
4144	default:
4145		PM8001_MSG_DBG(pm8001_ha,
4146			pm8001_printk("Unknown outbound Queue IOMB OPC = %x\n",
4147			opc));
4148		break;
4149	}
4150}
4151
4152static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4153{
4154	struct outbound_queue_table *circularQ;
4155	void *pMsg1 = NULL;
4156	u8 uninitialized_var(bc);
4157	u32 ret = MPI_IO_STATUS_FAIL;
4158	unsigned long flags;
4159
4160	spin_lock_irqsave(&pm8001_ha->lock, flags);
4161	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4162	do {
4163		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4164		if (MPI_IO_STATUS_SUCCESS == ret) {
4165			/* process the outbound message */
4166			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
4167			/* free the message from the outbound circular buffer */
4168			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4169							circularQ, bc);
4170		}
4171		if (MPI_IO_STATUS_BUSY == ret) {
4172			/* Update the producer index from SPC */
4173			circularQ->producer_index =
4174				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4175			if (le32_to_cpu(circularQ->producer_index) ==
4176				circularQ->consumer_idx)
4177				/* OQ is empty */
4178				break;
4179		}
4180	} while (1);
4181	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4182	return ret;
4183}
4184
4185/* PCI_DMA_... to our direction translation. */
4186static const u8 data_dir_flags[] = {
4187	[PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
4188	[PCI_DMA_TODEVICE]	= DATA_DIR_OUT,/* OUTBOUND */
4189	[PCI_DMA_FROMDEVICE]	= DATA_DIR_IN,/* INBOUND */
4190	[PCI_DMA_NONE]		= DATA_DIR_NONE,/* NO TRANSFER */
4191};
4192void
4193pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
4194{
4195	int i;
4196	struct scatterlist *sg;
4197	struct pm8001_prd *buf_prd = prd;
4198
4199	for_each_sg(scatter, sg, nr, i) {
4200		buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
4201		buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
4202		buf_prd->im_len.e = 0;
4203		buf_prd++;
4204	}
4205}
4206
4207static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
4208{
4209	psmp_cmd->tag = hTag;
4210	psmp_cmd->device_id = cpu_to_le32(deviceID);
4211	psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4212}
4213
4214/**
4215 * pm8001_chip_smp_req - send a SMP task to FW
4216 * @pm8001_ha: our hba card information.
4217 * @ccb: the ccb information this request used.
4218 */
4219static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4220	struct pm8001_ccb_info *ccb)
4221{
4222	int elem, rc;
4223	struct sas_task *task = ccb->task;
4224	struct domain_device *dev = task->dev;
4225	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4226	struct scatterlist *sg_req, *sg_resp;
4227	u32 req_len, resp_len;
4228	struct smp_req smp_cmd;
4229	u32 opc;
4230	struct inbound_queue_table *circularQ;
4231
4232	memset(&smp_cmd, 0, sizeof(smp_cmd));
4233	/*
4234	 * DMA-map SMP request, response buffers
4235	 */
4236	sg_req = &task->smp_task.smp_req;
4237	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
4238	if (!elem)
4239		return -ENOMEM;
4240	req_len = sg_dma_len(sg_req);
4241
4242	sg_resp = &task->smp_task.smp_resp;
4243	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
4244	if (!elem) {
4245		rc = -ENOMEM;
4246		goto err_out;
4247	}
4248	resp_len = sg_dma_len(sg_resp);
4249	/* must be in dwords */
4250	if ((req_len & 0x3) || (resp_len & 0x3)) {
4251		rc = -EINVAL;
4252		goto err_out_2;
4253	}
4254
4255	opc = OPC_INB_SMP_REQUEST;
4256	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4257	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4258	smp_cmd.long_smp_req.long_req_addr =
4259		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4260	smp_cmd.long_smp_req.long_req_size =
4261		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4262	smp_cmd.long_smp_req.long_resp_addr =
4263		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
4264	smp_cmd.long_smp_req.long_resp_size =
4265		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4266	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
4267	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4268					(u32 *)&smp_cmd, 0);
4269	if (rc)
4270		goto err_out_2;
4271
4272	return 0;
4273
4274err_out_2:
4275	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4276			PCI_DMA_FROMDEVICE);
4277err_out:
4278	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4279			PCI_DMA_TODEVICE);
4280	return rc;
4281}
4282
4283/**
4284 * pm8001_chip_ssp_io_req - send a SSP task to FW
4285 * @pm8001_ha: our hba card information.
4286 * @ccb: the ccb information this request used.
4287 */
4288static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4289	struct pm8001_ccb_info *ccb)
4290{
4291	struct sas_task *task = ccb->task;
4292	struct domain_device *dev = task->dev;
4293	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4294	struct ssp_ini_io_start_req ssp_cmd;
4295	u32 tag = ccb->ccb_tag;
4296	int ret;
4297	u64 phys_addr;
4298	struct inbound_queue_table *circularQ;
4299	u32 opc = OPC_INB_SSPINIIOSTART;
4300	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4301	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4302	ssp_cmd.dir_m_tlr =
4303		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
4304	SAS 1.1 compatible TLR*/
4305	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4306	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4307	ssp_cmd.tag = cpu_to_le32(tag);
4308	if (task->ssp_task.enable_first_burst)
4309		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4310	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4311	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4312	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4313	       task->ssp_task.cmd->cmd_len);
4314	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4315
4316	/* fill in PRD (scatter/gather) table, if any */
4317	if (task->num_scatter > 1) {
4318		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4319		phys_addr = ccb->ccb_dma_handle +
4320				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4321		ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4322		ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4323		ssp_cmd.esgl = cpu_to_le32(1<<31);
4324	} else if (task->num_scatter == 1) {
4325		u64 dma_addr = sg_dma_address(task->scatter);
4326		ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4327		ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4328		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4329		ssp_cmd.esgl = 0;
4330	} else if (task->num_scatter == 0) {
4331		ssp_cmd.addr_low = 0;
4332		ssp_cmd.addr_high = 0;
4333		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4334		ssp_cmd.esgl = 0;
4335	}
4336	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd, 0);
4337	return ret;
4338}
4339
4340static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4341	struct pm8001_ccb_info *ccb)
4342{
4343	struct sas_task *task = ccb->task;
4344	struct domain_device *dev = task->dev;
4345	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4346	u32 tag = ccb->ccb_tag;
4347	int ret;
4348	struct sata_start_req sata_cmd;
4349	u32 hdr_tag, ncg_tag = 0;
4350	u64 phys_addr;
4351	u32 ATAP = 0x0;
4352	u32 dir;
4353	struct inbound_queue_table *circularQ;
4354	unsigned long flags;
4355	u32  opc = OPC_INB_SATA_HOST_OPSTART;
4356	memset(&sata_cmd, 0, sizeof(sata_cmd));
4357	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4358	if (task->data_dir == PCI_DMA_NONE) {
4359		ATAP = 0x04;  /* no data*/
4360		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4361	} else if (likely(!task->ata_task.device_control_reg_update)) {
4362		if (task->ata_task.dma_xfer) {
4363			ATAP = 0x06; /* DMA */
4364			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4365		} else {
4366			ATAP = 0x05; /* PIO*/
4367			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4368		}
4369		if (task->ata_task.use_ncq &&
4370			dev->sata_dev.class != ATA_DEV_ATAPI) {
4371			ATAP = 0x07; /* FPDMA */
4372			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4373		}
4374	}
4375	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4376		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4377		ncg_tag = hdr_tag;
4378	}
4379	dir = data_dir_flags[task->data_dir] << 8;
4380	sata_cmd.tag = cpu_to_le32(tag);
4381	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4382	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4383	sata_cmd.ncqtag_atap_dir_m =
4384		cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
4385	sata_cmd.sata_fis = task->ata_task.fis;
4386	if (likely(!task->ata_task.device_control_reg_update))
4387		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4388	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4389	/* fill in PRD (scatter/gather) table, if any */
4390	if (task->num_scatter > 1) {
4391		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4392		phys_addr = ccb->ccb_dma_handle +
4393				offsetof(struct pm8001_ccb_info, buf_prd[0]);
4394		sata_cmd.addr_low = lower_32_bits(phys_addr);
4395		sata_cmd.addr_high = upper_32_bits(phys_addr);
4396		sata_cmd.esgl = cpu_to_le32(1 << 31);
4397	} else if (task->num_scatter == 1) {
4398		u64 dma_addr = sg_dma_address(task->scatter);
4399		sata_cmd.addr_low = lower_32_bits(dma_addr);
4400		sata_cmd.addr_high = upper_32_bits(dma_addr);
4401		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4402		sata_cmd.esgl = 0;
4403	} else if (task->num_scatter == 0) {
4404		sata_cmd.addr_low = 0;
4405		sata_cmd.addr_high = 0;
4406		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4407		sata_cmd.esgl = 0;
4408	}
4409
4410	/* Check for read log for failed drive and return */
4411	if (sata_cmd.sata_fis.command == 0x2f) {
4412		if (((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4413			(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4414			(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4415			struct task_status_struct *ts;
4416
4417			pm8001_ha_dev->id &= 0xDFFFFFFF;
4418			ts = &task->task_status;
4419
4420			spin_lock_irqsave(&task->task_state_lock, flags);
4421			ts->resp = SAS_TASK_COMPLETE;
4422			ts->stat = SAM_STAT_GOOD;
4423			task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4424			task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4425			task->task_state_flags |= SAS_TASK_STATE_DONE;
4426			if (unlikely((task->task_state_flags &
4427					SAS_TASK_STATE_ABORTED))) {
4428				spin_unlock_irqrestore(&task->task_state_lock,
4429							flags);
4430				PM8001_FAIL_DBG(pm8001_ha,
4431					pm8001_printk("task 0x%p resp 0x%x "
4432					" stat 0x%x but aborted by upper layer "
4433					"\n", task, ts->resp, ts->stat));
4434				pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4435			} else {
4436				spin_unlock_irqrestore(&task->task_state_lock,
4437							flags);
4438				pm8001_ccb_task_free_done(pm8001_ha, task,
4439								ccb, tag);
4440				return 0;
4441			}
4442		}
4443	}
4444
4445	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
4446	return ret;
4447}
4448
4449/**
4450 * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4451 * @pm8001_ha: our hba card information.
4452 * @num: the inbound queue number
4453 * @phy_id: the phy id which we wanted to start up.
4454 */
4455static int
4456pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4457{
4458	struct phy_start_req payload;
4459	struct inbound_queue_table *circularQ;
4460	int ret;
4461	u32 tag = 0x01;
4462	u32 opcode = OPC_INB_PHYSTART;
4463	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4464	memset(&payload, 0, sizeof(payload));
4465	payload.tag = cpu_to_le32(tag);
4466	/*
4467	 ** [0:7]   PHY Identifier
4468	 ** [8:11]  link rate 1.5G, 3G, 6G
4469	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4470	 ** [14]    0b disable spin up hold; 1b enable spin up hold
4471	 */
4472	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4473		LINKMODE_AUTO |	LINKRATE_15 |
4474		LINKRATE_30 | LINKRATE_60 | phy_id);
4475	payload.sas_identify.dev_type = SAS_END_DEVICE;
4476	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4477	memcpy(payload.sas_identify.sas_addr,
4478		pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4479	payload.sas_identify.phy_id = phy_id;
4480	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4481	return ret;
4482}
4483
4484/**
4485 * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4486 * @pm8001_ha: our hba card information.
4487 * @num: the inbound queue number
4488 * @phy_id: the phy id which we wanted to start up.
4489 */
4490int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4491	u8 phy_id)
4492{
4493	struct phy_stop_req payload;
4494	struct inbound_queue_table *circularQ;
4495	int ret;
4496	u32 tag = 0x01;
4497	u32 opcode = OPC_INB_PHYSTOP;
4498	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4499	memset(&payload, 0, sizeof(payload));
4500	payload.tag = cpu_to_le32(tag);
4501	payload.phy_id = cpu_to_le32(phy_id);
4502	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4503	return ret;
4504}
4505
4506/**
4507 * see comments on pm8001_mpi_reg_resp.
4508 */
4509static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4510	struct pm8001_device *pm8001_dev, u32 flag)
4511{
4512	struct reg_dev_req payload;
4513	u32	opc;
4514	u32 stp_sspsmp_sata = 0x4;
4515	struct inbound_queue_table *circularQ;
4516	u32 linkrate, phy_id;
4517	int rc, tag = 0xdeadbeef;
4518	struct pm8001_ccb_info *ccb;
4519	u8 retryFlag = 0x1;
4520	u16 firstBurstSize = 0;
4521	u16 ITNT = 2000;
4522	struct domain_device *dev = pm8001_dev->sas_device;
4523	struct domain_device *parent_dev = dev->parent;
4524	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4525
4526	memset(&payload, 0, sizeof(payload));
4527	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4528	if (rc)
4529		return rc;
4530	ccb = &pm8001_ha->ccb_info[tag];
4531	ccb->device = pm8001_dev;
4532	ccb->ccb_tag = tag;
4533	payload.tag = cpu_to_le32(tag);
4534	if (flag == 1)
4535		stp_sspsmp_sata = 0x02; /*direct attached sata */
4536	else {
4537		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4538			stp_sspsmp_sata = 0x00; /* stp*/
4539		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4540			pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4541			pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4542			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4543	}
4544	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4545		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4546	else
4547		phy_id = pm8001_dev->attached_phy;
4548	opc = OPC_INB_REG_DEV;
4549	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4550			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4551	payload.phyid_portid =
4552		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0x0F) |
4553		((phy_id & 0x0F) << 4));
4554	payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4555		((linkrate & 0x0F) * 0x1000000) |
4556		((stp_sspsmp_sata & 0x03) * 0x10000000));
4557	payload.firstburstsize_ITNexustimeout =
4558		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4559	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4560		SAS_ADDR_SIZE);
4561	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4562	return rc;
4563}
4564
4565/**
4566 * see comments on pm8001_mpi_reg_resp.
4567 */
4568int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4569	u32 device_id)
4570{
4571	struct dereg_dev_req payload;
4572	u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4573	int ret;
4574	struct inbound_queue_table *circularQ;
4575
4576	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4577	memset(&payload, 0, sizeof(payload));
4578	payload.tag = cpu_to_le32(1);
4579	payload.device_id = cpu_to_le32(device_id);
4580	PM8001_MSG_DBG(pm8001_ha,
4581		pm8001_printk("unregister device device_id = %d\n", device_id));
4582	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4583	return ret;
4584}
4585
4586/**
4587 * pm8001_chip_phy_ctl_req - support the local phy operation
4588 * @pm8001_ha: our hba card information.
4589 * @num: the inbound queue number
4590 * @phy_id: the phy id which we wanted to operate
4591 * @phy_op:
4592 */
4593static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4594	u32 phyId, u32 phy_op)
4595{
4596	struct local_phy_ctl_req payload;
4597	struct inbound_queue_table *circularQ;
4598	int ret;
4599	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4600	memset(&payload, 0, sizeof(payload));
4601	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4602	payload.tag = cpu_to_le32(1);
4603	payload.phyop_phyid =
4604		cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4605	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4606	return ret;
4607}
4608
4609static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4610{
4611	u32 value;
4612#ifdef PM8001_USE_MSIX
4613	return 1;
4614#endif
4615	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4616	if (value)
4617		return 1;
4618	return 0;
4619
4620}
4621
4622/**
4623 * pm8001_chip_isr - PM8001 isr handler.
4624 * @pm8001_ha: our hba card information.
4625 * @irq: irq number.
4626 * @stat: stat.
4627 */
4628static irqreturn_t
4629pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4630{
4631	pm8001_chip_interrupt_disable(pm8001_ha, vec);
4632	process_oq(pm8001_ha, vec);
4633	pm8001_chip_interrupt_enable(pm8001_ha, vec);
4634	return IRQ_HANDLED;
4635}
4636
4637static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4638	u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag)
4639{
4640	struct task_abort_req task_abort;
4641	struct inbound_queue_table *circularQ;
4642	int ret;
4643	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4644	memset(&task_abort, 0, sizeof(task_abort));
4645	if (ABORT_SINGLE == (flag & ABORT_MASK)) {
4646		task_abort.abort_all = 0;
4647		task_abort.device_id = cpu_to_le32(dev_id);
4648		task_abort.tag_to_abort = cpu_to_le32(task_tag);
4649		task_abort.tag = cpu_to_le32(cmd_tag);
4650	} else if (ABORT_ALL == (flag & ABORT_MASK)) {
4651		task_abort.abort_all = cpu_to_le32(1);
4652		task_abort.device_id = cpu_to_le32(dev_id);
4653		task_abort.tag = cpu_to_le32(cmd_tag);
4654	}
4655	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
4656	return ret;
4657}
4658
4659/**
4660 * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4661 * @task: the task we wanted to aborted.
4662 * @flag: the abort flag.
4663 */
4664int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4665	struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
4666{
4667	u32 opc, device_id;
4668	int rc = TMF_RESP_FUNC_FAILED;
4669	PM8001_EH_DBG(pm8001_ha,
4670		pm8001_printk("cmd_tag = %x, abort task tag = 0x%x",
4671			cmd_tag, task_tag));
4672	if (pm8001_dev->dev_type == SAS_END_DEVICE)
4673		opc = OPC_INB_SSP_ABORT;
4674	else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4675		opc = OPC_INB_SATA_ABORT;
4676	else
4677		opc = OPC_INB_SMP_ABORT;/* SMP */
4678	device_id = pm8001_dev->device_id;
4679	rc = send_task_abort(pm8001_ha, opc, device_id, flag,
4680		task_tag, cmd_tag);
4681	if (rc != TMF_RESP_FUNC_COMPLETE)
4682		PM8001_EH_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));
4683	return rc;
4684}
4685
4686/**
4687 * pm8001_chip_ssp_tm_req - built the task management command.
4688 * @pm8001_ha: our hba card information.
4689 * @ccb: the ccb information.
4690 * @tmf: task management function.
4691 */
4692int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4693	struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
4694{
4695	struct sas_task *task = ccb->task;
4696	struct domain_device *dev = task->dev;
4697	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4698	u32 opc = OPC_INB_SSPINITMSTART;
4699	struct inbound_queue_table *circularQ;
4700	struct ssp_ini_tm_start_req sspTMCmd;
4701	int ret;
4702
4703	memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4704	sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4705	sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);
4706	sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4707	memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4708	sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4709	if (pm8001_ha->chip_id != chip_8001)
4710		sspTMCmd.ds_ads_m = 0x08;
4711	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4712	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd, 0);
4713	return ret;
4714}
4715
4716int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4717	void *payload)
4718{
4719	u32 opc = OPC_INB_GET_NVMD_DATA;
4720	u32 nvmd_type;
4721	int rc;
4722	u32 tag;
4723	struct pm8001_ccb_info *ccb;
4724	struct inbound_queue_table *circularQ;
4725	struct get_nvm_data_req nvmd_req;
4726	struct fw_control_ex *fw_control_context;
4727	struct pm8001_ioctl_payload *ioctl_payload = payload;
4728
4729	nvmd_type = ioctl_payload->minor_function;
4730	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4731	if (!fw_control_context)
4732		return -ENOMEM;
4733	fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4734	fw_control_context->len = ioctl_payload->length;
4735	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4736	memset(&nvmd_req, 0, sizeof(nvmd_req));
4737	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4738	if (rc) {
4739		kfree(fw_control_context);
4740		return rc;
4741	}
4742	ccb = &pm8001_ha->ccb_info[tag];
4743	ccb->ccb_tag = tag;
4744	ccb->fw_control_context = fw_control_context;
4745	nvmd_req.tag = cpu_to_le32(tag);
4746
4747	switch (nvmd_type) {
4748	case TWI_DEVICE: {
4749		u32 twi_addr, twi_page_size;
4750		twi_addr = 0xa8;
4751		twi_page_size = 2;
4752
4753		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4754			twi_page_size << 8 | TWI_DEVICE);
4755		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4756		nvmd_req.resp_addr_hi =
4757		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4758		nvmd_req.resp_addr_lo =
4759		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4760		break;
4761	}
4762	case C_SEEPROM: {
4763		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4764		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4765		nvmd_req.resp_addr_hi =
4766		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4767		nvmd_req.resp_addr_lo =
4768		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4769		break;
4770	}
4771	case VPD_FLASH: {
4772		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4773		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4774		nvmd_req.resp_addr_hi =
4775		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4776		nvmd_req.resp_addr_lo =
4777		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4778		break;
4779	}
4780	case EXPAN_ROM: {
4781		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4782		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4783		nvmd_req.resp_addr_hi =
4784		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4785		nvmd_req.resp_addr_lo =
4786		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4787		break;
4788	}
4789	case IOP_RDUMP: {
4790		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4791		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4792		nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
4793		nvmd_req.resp_addr_hi =
4794		cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4795		nvmd_req.resp_addr_lo =
4796		cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4797		break;
4798	}
4799	default:
4800		break;
4801	}
4802	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
4803	if (rc) {
4804		kfree(fw_control_context);
4805		pm8001_tag_free(pm8001_ha, tag);
4806	}
4807	return rc;
4808}
4809
4810int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4811	void *payload)
4812{
4813	u32 opc = OPC_INB_SET_NVMD_DATA;
4814	u32 nvmd_type;
4815	int rc;
4816	u32 tag;
4817	struct pm8001_ccb_info *ccb;
4818	struct inbound_queue_table *circularQ;
4819	struct set_nvm_data_req nvmd_req;
4820	struct fw_control_ex *fw_control_context;
4821	struct pm8001_ioctl_payload *ioctl_payload = payload;
4822
4823	nvmd_type = ioctl_payload->minor_function;
4824	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4825	if (!fw_control_context)
4826		return -ENOMEM;
4827	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4828	memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4829		&ioctl_payload->func_specific,
4830		ioctl_payload->length);
4831	memset(&nvmd_req, 0, sizeof(nvmd_req));
4832	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4833	if (rc) {
4834		kfree(fw_control_context);
4835		return -EBUSY;
4836	}
4837	ccb = &pm8001_ha->ccb_info[tag];
4838	ccb->fw_control_context = fw_control_context;
4839	ccb->ccb_tag = tag;
4840	nvmd_req.tag = cpu_to_le32(tag);
4841	switch (nvmd_type) {
4842	case TWI_DEVICE: {
4843		u32 twi_addr, twi_page_size;
4844		twi_addr = 0xa8;
4845		twi_page_size = 2;
4846		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4847		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4848			twi_page_size << 8 | TWI_DEVICE);
4849		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4850		nvmd_req.resp_addr_hi =
4851		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4852		nvmd_req.resp_addr_lo =
4853		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4854		break;
4855	}
4856	case C_SEEPROM:
4857		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4858		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4859		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4860		nvmd_req.resp_addr_hi =
4861		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4862		nvmd_req.resp_addr_lo =
4863		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4864		break;
4865	case VPD_FLASH:
4866		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4867		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4868		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4869		nvmd_req.resp_addr_hi =
4870		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4871		nvmd_req.resp_addr_lo =
4872		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4873		break;
4874	case EXPAN_ROM:
4875		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4876		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4877		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4878		nvmd_req.resp_addr_hi =
4879		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4880		nvmd_req.resp_addr_lo =
4881		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4882		break;
4883	default:
4884		break;
4885	}
4886	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
4887	if (rc) {
4888		kfree(fw_control_context);
4889		pm8001_tag_free(pm8001_ha, tag);
4890	}
4891	return rc;
4892}
4893
4894/**
4895 * pm8001_chip_fw_flash_update_build - support the firmware update operation
4896 * @pm8001_ha: our hba card information.
4897 * @fw_flash_updata_info: firmware flash update param
4898 */
4899int
4900pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4901	void *fw_flash_updata_info, u32 tag)
4902{
4903	struct fw_flash_Update_req payload;
4904	struct fw_flash_updata_info *info;
4905	struct inbound_queue_table *circularQ;
4906	int ret;
4907	u32 opc = OPC_INB_FW_FLASH_UPDATE;
4908
4909	memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4910	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4911	info = fw_flash_updata_info;
4912	payload.tag = cpu_to_le32(tag);
4913	payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4914	payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4915	payload.total_image_len = cpu_to_le32(info->total_image_len);
4916	payload.len = info->sgl.im_len.len ;
4917	payload.sgl_addr_lo =
4918		cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4919	payload.sgl_addr_hi =
4920		cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4921	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4922	return ret;
4923}
4924
4925int
4926pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4927	void *payload)
4928{
4929	struct fw_flash_updata_info flash_update_info;
4930	struct fw_control_info *fw_control;
4931	struct fw_control_ex *fw_control_context;
4932	int rc;
4933	u32 tag;
4934	struct pm8001_ccb_info *ccb;
4935	void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4936	dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
4937	struct pm8001_ioctl_payload *ioctl_payload = payload;
4938
4939	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4940	if (!fw_control_context)
4941		return -ENOMEM;
4942	fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4943	memcpy(buffer, fw_control->buffer, fw_control->len);
4944	flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4945	flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4946	flash_update_info.sgl.im_len.e = 0;
4947	flash_update_info.cur_image_offset = fw_control->offset;
4948	flash_update_info.cur_image_len = fw_control->len;
4949	flash_update_info.total_image_len = fw_control->size;
4950	fw_control_context->fw_control = fw_control;
4951	fw_control_context->virtAddr = buffer;
4952	fw_control_context->phys_addr = phys_addr;
4953	fw_control_context->len = fw_control->len;
4954	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4955	if (rc) {
4956		kfree(fw_control_context);
4957		return -EBUSY;
4958	}
4959	ccb = &pm8001_ha->ccb_info[tag];
4960	ccb->fw_control_context = fw_control_context;
4961	ccb->ccb_tag = tag;
4962	rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4963		tag);
4964	return rc;
4965}
4966
4967ssize_t
4968pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4969{
4970	u32 value, rem, offset = 0, bar = 0;
4971	u32 index, work_offset, dw_length;
4972	u32 shift_value, gsm_base, gsm_dump_offset;
4973	char *direct_data;
4974	struct Scsi_Host *shost = class_to_shost(cdev);
4975	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4976	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4977
4978	direct_data = buf;
4979	gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
4980
4981	/* check max is 1 Mbytes */
4982	if ((length > 0x100000) || (gsm_dump_offset & 3) ||
4983		((gsm_dump_offset + length) > 0x1000000))
4984			return -EINVAL;
4985
4986	if (pm8001_ha->chip_id == chip_8001)
4987		bar = 2;
4988	else
4989		bar = 1;
4990
4991	work_offset = gsm_dump_offset & 0xFFFF0000;
4992	offset = gsm_dump_offset & 0x0000FFFF;
4993	gsm_dump_offset = work_offset;
4994	/* adjust length to dword boundary */
4995	rem = length & 3;
4996	dw_length = length >> 2;
4997
4998	for (index = 0; index < dw_length; index++) {
4999		if ((work_offset + offset) & 0xFFFF0000) {
5000			if (pm8001_ha->chip_id == chip_8001)
5001				shift_value = ((gsm_dump_offset + offset) &
5002						SHIFT_REG_64K_MASK);
5003			else
5004				shift_value = (((gsm_dump_offset + offset) &
5005						SHIFT_REG_64K_MASK) >>
5006						SHIFT_REG_BIT_SHIFT);
5007
5008			if (pm8001_ha->chip_id == chip_8001) {
5009				gsm_base = GSM_BASE;
5010				if (-1 == pm8001_bar4_shift(pm8001_ha,
5011						(gsm_base + shift_value)))
5012					return -EIO;
5013			} else {
5014				gsm_base = 0;
5015				if (-1 == pm80xx_bar4_shift(pm8001_ha,
5016						(gsm_base + shift_value)))
5017					return -EIO;
5018			}
5019			gsm_dump_offset = (gsm_dump_offset + offset) &
5020						0xFFFF0000;
5021			work_offset = 0;
5022			offset = offset & 0x0000FFFF;
5023		}
5024		value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
5025						0x0000FFFF);
5026		direct_data += sprintf(direct_data, "%08x ", value);
5027		offset += 4;
5028	}
5029	if (rem != 0) {
5030		value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
5031						0x0000FFFF);
5032		/* xfr for non_dw */
5033		direct_data += sprintf(direct_data, "%08x ", value);
5034	}
5035	/* Shift back to BAR4 original address */
5036	if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
5037			return -EIO;
5038	pm8001_ha->fatal_forensic_shift_offset += 1024;
5039
5040	if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
5041		pm8001_ha->fatal_forensic_shift_offset = 0;
5042	return direct_data - buf;
5043}
5044
5045int
5046pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
5047	struct pm8001_device *pm8001_dev, u32 state)
5048{
5049	struct set_dev_state_req payload;
5050	struct inbound_queue_table *circularQ;
5051	struct pm8001_ccb_info *ccb;
5052	int rc;
5053	u32 tag;
5054	u32 opc = OPC_INB_SET_DEVICE_STATE;
5055	memset(&payload, 0, sizeof(payload));
5056	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5057	if (rc)
5058		return -1;
5059	ccb = &pm8001_ha->ccb_info[tag];
5060	ccb->ccb_tag = tag;
5061	ccb->device = pm8001_dev;
5062	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5063	payload.tag = cpu_to_le32(tag);
5064	payload.device_id = cpu_to_le32(pm8001_dev->device_id);
5065	payload.nds = cpu_to_le32(state);
5066	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
5067	return rc;
5068
5069}
5070
5071static int
5072pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
5073{
5074	struct sas_re_initialization_req payload;
5075	struct inbound_queue_table *circularQ;
5076	struct pm8001_ccb_info *ccb;
5077	int rc;
5078	u32 tag;
5079	u32 opc = OPC_INB_SAS_RE_INITIALIZE;
5080	memset(&payload, 0, sizeof(payload));
5081	rc = pm8001_tag_alloc(pm8001_ha, &tag);
5082	if (rc)
5083		return -ENOMEM;
5084	ccb = &pm8001_ha->ccb_info[tag];
5085	ccb->ccb_tag = tag;
5086	circularQ = &pm8001_ha->inbnd_q_tbl[0];
5087	payload.tag = cpu_to_le32(tag);
5088	payload.SSAHOLT = cpu_to_le32(0xd << 25);
5089	payload.sata_hol_tmo = cpu_to_le32(80);
5090	payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
5091	rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
5092	if (rc)
5093		pm8001_tag_free(pm8001_ha, tag);
5094	return rc;
5095
5096}
5097
5098const struct pm8001_dispatch pm8001_8001_dispatch = {
5099	.name			= "pmc8001",
5100	.chip_init		= pm8001_chip_init,
5101	.chip_soft_rst		= pm8001_chip_soft_rst,
5102	.chip_rst		= pm8001_hw_chip_rst,
5103	.chip_iounmap		= pm8001_chip_iounmap,
5104	.isr			= pm8001_chip_isr,
5105	.is_our_interupt	= pm8001_chip_is_our_interupt,
5106	.isr_process_oq		= process_oq,
5107	.interrupt_enable 	= pm8001_chip_interrupt_enable,
5108	.interrupt_disable	= pm8001_chip_interrupt_disable,
5109	.make_prd		= pm8001_chip_make_sg,
5110	.smp_req		= pm8001_chip_smp_req,
5111	.ssp_io_req		= pm8001_chip_ssp_io_req,
5112	.sata_req		= pm8001_chip_sata_req,
5113	.phy_start_req		= pm8001_chip_phy_start_req,
5114	.phy_stop_req		= pm8001_chip_phy_stop_req,
5115	.reg_dev_req		= pm8001_chip_reg_dev_req,
5116	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
5117	.phy_ctl_req		= pm8001_chip_phy_ctl_req,
5118	.task_abort		= pm8001_chip_abort_task,
5119	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
5120	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
5121	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
5122	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
5123	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
5124	.sas_re_init_req	= pm8001_chip_sas_re_initialization,
5125};
5126