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 #include "pm80xx_tracepoints.h"
46
47 /**
48 * read_main_config_table - read the configure table and save it.
49 * @pm8001_ha: our hba card information
50 */
read_main_config_table(struct pm8001_hba_info * pm8001_ha)51 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
52 {
53 void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
54 pm8001_ha->main_cfg_tbl.pm8001_tbl.signature =
55 pm8001_mr32(address, 0x00);
56 pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
57 pm8001_mr32(address, 0x04);
58 pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev =
59 pm8001_mr32(address, 0x08);
60 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io =
61 pm8001_mr32(address, 0x0C);
62 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl =
63 pm8001_mr32(address, 0x10);
64 pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
65 pm8001_mr32(address, 0x14);
66 pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset =
67 pm8001_mr32(address, 0x18);
68 pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
69 pm8001_mr32(address, MAIN_IBQ_OFFSET);
70 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
71 pm8001_mr32(address, MAIN_OBQ_OFFSET);
72 pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag =
73 pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
74
75 /* read analog Setting offset from the configuration table */
76 pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
77 pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
78
79 /* read Error Dump Offset and Length */
80 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
81 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
82 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
83 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
84 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
85 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
86 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
87 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
88 }
89
90 /**
91 * read_general_status_table - read the general status table and save it.
92 * @pm8001_ha: our hba card information
93 */
read_general_status_table(struct pm8001_hba_info * pm8001_ha)94 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
95 {
96 void __iomem *address = pm8001_ha->general_stat_tbl_addr;
97 pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate =
98 pm8001_mr32(address, 0x00);
99 pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0 =
100 pm8001_mr32(address, 0x04);
101 pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1 =
102 pm8001_mr32(address, 0x08);
103 pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt =
104 pm8001_mr32(address, 0x0C);
105 pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt =
106 pm8001_mr32(address, 0x10);
107 pm8001_ha->gs_tbl.pm8001_tbl.rsvd =
108 pm8001_mr32(address, 0x14);
109 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0] =
110 pm8001_mr32(address, 0x18);
111 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1] =
112 pm8001_mr32(address, 0x1C);
113 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2] =
114 pm8001_mr32(address, 0x20);
115 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3] =
116 pm8001_mr32(address, 0x24);
117 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4] =
118 pm8001_mr32(address, 0x28);
119 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5] =
120 pm8001_mr32(address, 0x2C);
121 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6] =
122 pm8001_mr32(address, 0x30);
123 pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7] =
124 pm8001_mr32(address, 0x34);
125 pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val =
126 pm8001_mr32(address, 0x38);
127 pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0] =
128 pm8001_mr32(address, 0x3C);
129 pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1] =
130 pm8001_mr32(address, 0x40);
131 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0] =
132 pm8001_mr32(address, 0x44);
133 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1] =
134 pm8001_mr32(address, 0x48);
135 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2] =
136 pm8001_mr32(address, 0x4C);
137 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3] =
138 pm8001_mr32(address, 0x50);
139 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4] =
140 pm8001_mr32(address, 0x54);
141 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5] =
142 pm8001_mr32(address, 0x58);
143 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6] =
144 pm8001_mr32(address, 0x5C);
145 pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7] =
146 pm8001_mr32(address, 0x60);
147 }
148
149 /**
150 * read_inbnd_queue_table - read the inbound queue table and save it.
151 * @pm8001_ha: our hba card information
152 */
read_inbnd_queue_table(struct pm8001_hba_info * pm8001_ha)153 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
154 {
155 int i;
156 void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
157 for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
158 u32 offset = i * 0x20;
159 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
160 get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
161 pm8001_ha->inbnd_q_tbl[i].pi_offset =
162 pm8001_mr32(address, (offset + 0x18));
163 }
164 }
165
166 /**
167 * read_outbnd_queue_table - read the outbound queue table and save it.
168 * @pm8001_ha: our hba card information
169 */
read_outbnd_queue_table(struct pm8001_hba_info * pm8001_ha)170 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
171 {
172 int i;
173 void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
174 for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
175 u32 offset = i * 0x24;
176 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
177 get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
178 pm8001_ha->outbnd_q_tbl[i].ci_offset =
179 pm8001_mr32(address, (offset + 0x18));
180 }
181 }
182
183 /**
184 * init_default_table_values - init the default table.
185 * @pm8001_ha: our hba card information
186 */
init_default_table_values(struct pm8001_hba_info * pm8001_ha)187 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
188 {
189 int i;
190 u32 offsetib, offsetob;
191 void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
192 void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
193 u32 ib_offset = pm8001_ha->ib_offset;
194 u32 ob_offset = pm8001_ha->ob_offset;
195 u32 ci_offset = pm8001_ha->ci_offset;
196 u32 pi_offset = pm8001_ha->pi_offset;
197
198 pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd = 0;
199 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3 = 0;
200 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7 = 0;
201 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3 = 0;
202 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7 = 0;
203 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
204 0;
205 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
206 0;
207 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
208 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
209 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
210 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
211
212 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr =
213 pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
214 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr =
215 pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
216 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size =
217 PM8001_EVENT_LOG_SIZE;
218 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option = 0x01;
219 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr =
220 pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
221 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr =
222 pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
223 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size =
224 PM8001_EVENT_LOG_SIZE;
225 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option = 0x01;
226 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt = 0x01;
227 for (i = 0; i < pm8001_ha->max_q_num; i++) {
228 pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt =
229 PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
230 pm8001_ha->inbnd_q_tbl[i].upper_base_addr =
231 pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
232 pm8001_ha->inbnd_q_tbl[i].lower_base_addr =
233 pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
234 pm8001_ha->inbnd_q_tbl[i].base_virt =
235 (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
236 pm8001_ha->inbnd_q_tbl[i].total_length =
237 pm8001_ha->memoryMap.region[ib_offset + i].total_len;
238 pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr =
239 pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
240 pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr =
241 pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
242 pm8001_ha->inbnd_q_tbl[i].ci_virt =
243 pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
244 pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
245 offsetib = i * 0x20;
246 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
247 get_pci_bar_index(pm8001_mr32(addressib,
248 (offsetib + 0x14)));
249 pm8001_ha->inbnd_q_tbl[i].pi_offset =
250 pm8001_mr32(addressib, (offsetib + 0x18));
251 pm8001_ha->inbnd_q_tbl[i].producer_idx = 0;
252 pm8001_ha->inbnd_q_tbl[i].consumer_index = 0;
253 }
254 for (i = 0; i < pm8001_ha->max_q_num; i++) {
255 pm8001_ha->outbnd_q_tbl[i].element_size_cnt =
256 PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
257 pm8001_ha->outbnd_q_tbl[i].upper_base_addr =
258 pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
259 pm8001_ha->outbnd_q_tbl[i].lower_base_addr =
260 pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
261 pm8001_ha->outbnd_q_tbl[i].base_virt =
262 (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
263 pm8001_ha->outbnd_q_tbl[i].total_length =
264 pm8001_ha->memoryMap.region[ob_offset + i].total_len;
265 pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr =
266 pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
267 pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr =
268 pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
269 pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay =
270 0 | (10 << 16) | (i << 24);
271 pm8001_ha->outbnd_q_tbl[i].pi_virt =
272 pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
273 pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
274 offsetob = i * 0x24;
275 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
276 get_pci_bar_index(pm8001_mr32(addressob,
277 offsetob + 0x14));
278 pm8001_ha->outbnd_q_tbl[i].ci_offset =
279 pm8001_mr32(addressob, (offsetob + 0x18));
280 pm8001_ha->outbnd_q_tbl[i].consumer_idx = 0;
281 pm8001_ha->outbnd_q_tbl[i].producer_index = 0;
282 }
283 }
284
285 /**
286 * update_main_config_table - update the main default table to the HBA.
287 * @pm8001_ha: our hba card information
288 */
update_main_config_table(struct pm8001_hba_info * pm8001_ha)289 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
290 {
291 void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
292 pm8001_mw32(address, 0x24,
293 pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
294 pm8001_mw32(address, 0x28,
295 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
296 pm8001_mw32(address, 0x2C,
297 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
298 pm8001_mw32(address, 0x30,
299 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
300 pm8001_mw32(address, 0x34,
301 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
302 pm8001_mw32(address, 0x38,
303 pm8001_ha->main_cfg_tbl.pm8001_tbl.
304 outbound_tgt_ITNexus_event_pid0_3);
305 pm8001_mw32(address, 0x3C,
306 pm8001_ha->main_cfg_tbl.pm8001_tbl.
307 outbound_tgt_ITNexus_event_pid4_7);
308 pm8001_mw32(address, 0x40,
309 pm8001_ha->main_cfg_tbl.pm8001_tbl.
310 outbound_tgt_ssp_event_pid0_3);
311 pm8001_mw32(address, 0x44,
312 pm8001_ha->main_cfg_tbl.pm8001_tbl.
313 outbound_tgt_ssp_event_pid4_7);
314 pm8001_mw32(address, 0x48,
315 pm8001_ha->main_cfg_tbl.pm8001_tbl.
316 outbound_tgt_smp_event_pid0_3);
317 pm8001_mw32(address, 0x4C,
318 pm8001_ha->main_cfg_tbl.pm8001_tbl.
319 outbound_tgt_smp_event_pid4_7);
320 pm8001_mw32(address, 0x50,
321 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
322 pm8001_mw32(address, 0x54,
323 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
324 pm8001_mw32(address, 0x58,
325 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
326 pm8001_mw32(address, 0x5C,
327 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
328 pm8001_mw32(address, 0x60,
329 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
330 pm8001_mw32(address, 0x64,
331 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
332 pm8001_mw32(address, 0x68,
333 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
334 pm8001_mw32(address, 0x6C,
335 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
336 pm8001_mw32(address, 0x70,
337 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
338 }
339
340 /**
341 * update_inbnd_queue_table - update the inbound queue table to the HBA.
342 * @pm8001_ha: our hba card information
343 * @number: entry in the queue
344 */
update_inbnd_queue_table(struct pm8001_hba_info * pm8001_ha,int number)345 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
346 int number)
347 {
348 void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
349 u16 offset = number * 0x20;
350 pm8001_mw32(address, offset + 0x00,
351 pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
352 pm8001_mw32(address, offset + 0x04,
353 pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
354 pm8001_mw32(address, offset + 0x08,
355 pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
356 pm8001_mw32(address, offset + 0x0C,
357 pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
358 pm8001_mw32(address, offset + 0x10,
359 pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
360 }
361
362 /**
363 * update_outbnd_queue_table - update the outbound queue table to the HBA.
364 * @pm8001_ha: our hba card information
365 * @number: entry in the queue
366 */
update_outbnd_queue_table(struct pm8001_hba_info * pm8001_ha,int number)367 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
368 int number)
369 {
370 void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
371 u16 offset = number * 0x24;
372 pm8001_mw32(address, offset + 0x00,
373 pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
374 pm8001_mw32(address, offset + 0x04,
375 pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
376 pm8001_mw32(address, offset + 0x08,
377 pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
378 pm8001_mw32(address, offset + 0x0C,
379 pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
380 pm8001_mw32(address, offset + 0x10,
381 pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
382 pm8001_mw32(address, offset + 0x1C,
383 pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
384 }
385
386 /**
387 * pm8001_bar4_shift - function is called to shift BAR base address
388 * @pm8001_ha : our hba card information
389 * @shiftValue : shifting value in memory bar.
390 */
pm8001_bar4_shift(struct pm8001_hba_info * pm8001_ha,u32 shiftValue)391 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
392 {
393 u32 regVal;
394 unsigned long start;
395
396 /* program the inbound AXI translation Lower Address */
397 pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
398
399 /* confirm the setting is written */
400 start = jiffies + HZ; /* 1 sec */
401 do {
402 regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
403 } while ((regVal != shiftValue) && time_before(jiffies, start));
404
405 if (regVal != shiftValue) {
406 pm8001_dbg(pm8001_ha, INIT,
407 "TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW = 0x%x\n",
408 regVal);
409 return -1;
410 }
411 return 0;
412 }
413
414 /**
415 * mpi_set_phys_g3_with_ssc
416 * @pm8001_ha: our hba card information
417 * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
418 */
mpi_set_phys_g3_with_ssc(struct pm8001_hba_info * pm8001_ha,u32 SSCbit)419 static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
420 u32 SSCbit)
421 {
422 u32 offset, i;
423 unsigned long flags;
424
425 #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
426 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
427 #define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
428 #define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
429 #define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
430 #define PHY_G3_WITH_SSC_BIT_SHIFT 13
431 #define SNW3_PHY_CAPABILITIES_PARITY 31
432
433 /*
434 * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
435 * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
436 */
437 spin_lock_irqsave(&pm8001_ha->lock, flags);
438 if (-1 == pm8001_bar4_shift(pm8001_ha,
439 SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
440 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
441 return;
442 }
443
444 for (i = 0; i < 4; i++) {
445 offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
446 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
447 }
448 /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
449 if (-1 == pm8001_bar4_shift(pm8001_ha,
450 SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
451 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
452 return;
453 }
454 for (i = 4; i < 8; i++) {
455 offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
456 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
457 }
458 /*************************************************************
459 Change the SSC upspreading value to 0x0 so that upspreading is disabled.
460 Device MABC SMOD0 Controls
461 Address: (via MEMBASE-III):
462 Using shifted destination address 0x0_0000: with Offset 0xD8
463
464 31:28 R/W Reserved Do not change
465 27:24 R/W SAS_SMOD_SPRDUP 0000
466 23:20 R/W SAS_SMOD_SPRDDN 0000
467 19:0 R/W Reserved Do not change
468 Upon power-up this register will read as 0x8990c016,
469 and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
470 so that the written value will be 0x8090c016.
471 This will ensure only down-spreading SSC is enabled on the SPC.
472 *************************************************************/
473 pm8001_cr32(pm8001_ha, 2, 0xd8);
474 pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
475
476 /*set the shifted destination address to 0x0 to avoid error operation */
477 pm8001_bar4_shift(pm8001_ha, 0x0);
478 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
479 return;
480 }
481
482 /**
483 * mpi_set_open_retry_interval_reg
484 * @pm8001_ha: our hba card information
485 * @interval: interval time for each OPEN_REJECT (RETRY). The units are in 1us.
486 */
mpi_set_open_retry_interval_reg(struct pm8001_hba_info * pm8001_ha,u32 interval)487 static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
488 u32 interval)
489 {
490 u32 offset;
491 u32 value;
492 u32 i;
493 unsigned long flags;
494
495 #define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
496 #define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
497 #define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
498 #define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
499 #define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
500
501 value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
502 spin_lock_irqsave(&pm8001_ha->lock, flags);
503 /* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
504 if (-1 == pm8001_bar4_shift(pm8001_ha,
505 OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
506 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
507 return;
508 }
509 for (i = 0; i < 4; i++) {
510 offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
511 pm8001_cw32(pm8001_ha, 2, offset, value);
512 }
513
514 if (-1 == pm8001_bar4_shift(pm8001_ha,
515 OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
516 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
517 return;
518 }
519 for (i = 4; i < 8; i++) {
520 offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
521 pm8001_cw32(pm8001_ha, 2, offset, value);
522 }
523 /*set the shifted destination address to 0x0 to avoid error operation */
524 pm8001_bar4_shift(pm8001_ha, 0x0);
525 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
526 return;
527 }
528
529 /**
530 * mpi_init_check - check firmware initialization status.
531 * @pm8001_ha: our hba card information
532 */
mpi_init_check(struct pm8001_hba_info * pm8001_ha)533 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
534 {
535 u32 max_wait_count;
536 u32 value;
537 u32 gst_len_mpistate;
538 /* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
539 table is updated */
540 pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
541 /* wait until Inbound DoorBell Clear Register toggled */
542 max_wait_count = 1 * 1000 * 1000;/* 1 sec */
543 do {
544 udelay(1);
545 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
546 value &= SPC_MSGU_CFG_TABLE_UPDATE;
547 } while ((value != 0) && (--max_wait_count));
548
549 if (!max_wait_count)
550 return -1;
551 /* check the MPI-State for initialization */
552 gst_len_mpistate =
553 pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
554 GST_GSTLEN_MPIS_OFFSET);
555 if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
556 return -1;
557 /* check MPI Initialization error */
558 gst_len_mpistate = gst_len_mpistate >> 16;
559 if (0x0000 != gst_len_mpistate)
560 return -1;
561 return 0;
562 }
563
564 /**
565 * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
566 * @pm8001_ha: our hba card information
567 */
check_fw_ready(struct pm8001_hba_info * pm8001_ha)568 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
569 {
570 u32 value, value1;
571 u32 max_wait_count;
572 /* check error state */
573 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
574 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
575 /* check AAP error */
576 if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
577 /* error state */
578 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
579 return -1;
580 }
581
582 /* check IOP error */
583 if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
584 /* error state */
585 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
586 return -1;
587 }
588
589 /* bit 4-31 of scratch pad1 should be zeros if it is not
590 in error state*/
591 if (value & SCRATCH_PAD1_STATE_MASK) {
592 /* error case */
593 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
594 return -1;
595 }
596
597 /* bit 2, 4-31 of scratch pad2 should be zeros if it is not
598 in error state */
599 if (value1 & SCRATCH_PAD2_STATE_MASK) {
600 /* error case */
601 return -1;
602 }
603
604 max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
605
606 /* wait until scratch pad 1 and 2 registers in ready state */
607 do {
608 udelay(1);
609 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
610 & SCRATCH_PAD1_RDY;
611 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
612 & SCRATCH_PAD2_RDY;
613 if ((--max_wait_count) == 0)
614 return -1;
615 } while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
616 return 0;
617 }
618
init_pci_device_addresses(struct pm8001_hba_info * pm8001_ha)619 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
620 {
621 void __iomem *base_addr;
622 u32 value;
623 u32 offset;
624 u32 pcibar;
625 u32 pcilogic;
626
627 value = pm8001_cr32(pm8001_ha, 0, 0x44);
628 offset = value & 0x03FFFFFF;
629 pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 Offset: %x\n", offset);
630 pcilogic = (value & 0xFC000000) >> 26;
631 pcibar = get_pci_bar_index(pcilogic);
632 pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
633 pm8001_ha->main_cfg_tbl_addr = base_addr =
634 pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
635 pm8001_ha->general_stat_tbl_addr =
636 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
637 pm8001_ha->inbnd_q_tbl_addr =
638 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
639 pm8001_ha->outbnd_q_tbl_addr =
640 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
641 }
642
643 /**
644 * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
645 * @pm8001_ha: our hba card information
646 */
pm8001_chip_init(struct pm8001_hba_info * pm8001_ha)647 static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
648 {
649 u32 i = 0;
650 u16 deviceid;
651 pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
652 /* 8081 controllers need BAR shift to access MPI space
653 * as this is shared with BIOS data */
654 if (deviceid == 0x8081 || deviceid == 0x0042) {
655 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
656 pm8001_dbg(pm8001_ha, FAIL,
657 "Shift Bar4 to 0x%x failed\n",
658 GSM_SM_BASE);
659 return -1;
660 }
661 }
662 /* check the firmware status */
663 if (-1 == check_fw_ready(pm8001_ha)) {
664 pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
665 return -EBUSY;
666 }
667
668 /* Initialize pci space address eg: mpi offset */
669 init_pci_device_addresses(pm8001_ha);
670 init_default_table_values(pm8001_ha);
671 read_main_config_table(pm8001_ha);
672 read_general_status_table(pm8001_ha);
673 read_inbnd_queue_table(pm8001_ha);
674 read_outbnd_queue_table(pm8001_ha);
675 /* update main config table ,inbound table and outbound table */
676 update_main_config_table(pm8001_ha);
677 for (i = 0; i < pm8001_ha->max_q_num; i++)
678 update_inbnd_queue_table(pm8001_ha, i);
679 for (i = 0; i < pm8001_ha->max_q_num; i++)
680 update_outbnd_queue_table(pm8001_ha, i);
681 /* 8081 controller donot require these operations */
682 if (deviceid != 0x8081 && deviceid != 0x0042) {
683 mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
684 /* 7->130ms, 34->500ms, 119->1.5s */
685 mpi_set_open_retry_interval_reg(pm8001_ha, 119);
686 }
687 /* notify firmware update finished and check initialization status */
688 if (0 == mpi_init_check(pm8001_ha)) {
689 pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
690 } else
691 return -EBUSY;
692 /*This register is a 16-bit timer with a resolution of 1us. This is the
693 timer used for interrupt delay/coalescing in the PCIe Application Layer.
694 Zero is not a valid value. A value of 1 in the register will cause the
695 interrupts to be normal. A value greater than 1 will cause coalescing
696 delays.*/
697 pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
698 pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
699 return 0;
700 }
701
pm8001_chip_post_init(struct pm8001_hba_info * pm8001_ha)702 static void pm8001_chip_post_init(struct pm8001_hba_info *pm8001_ha)
703 {
704 }
705
mpi_uninit_check(struct pm8001_hba_info * pm8001_ha)706 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
707 {
708 u32 max_wait_count;
709 u32 value;
710 u32 gst_len_mpistate;
711 u16 deviceid;
712 pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
713 if (deviceid == 0x8081 || deviceid == 0x0042) {
714 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
715 pm8001_dbg(pm8001_ha, FAIL,
716 "Shift Bar4 to 0x%x failed\n",
717 GSM_SM_BASE);
718 return -1;
719 }
720 }
721 init_pci_device_addresses(pm8001_ha);
722 /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
723 table is stop */
724 pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
725
726 /* wait until Inbound DoorBell Clear Register toggled */
727 max_wait_count = 1 * 1000 * 1000;/* 1 sec */
728 do {
729 udelay(1);
730 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
731 value &= SPC_MSGU_CFG_TABLE_RESET;
732 } while ((value != 0) && (--max_wait_count));
733
734 if (!max_wait_count) {
735 pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=0x%x\n",
736 value);
737 return -1;
738 }
739
740 /* check the MPI-State for termination in progress */
741 /* wait until Inbound DoorBell Clear Register toggled */
742 max_wait_count = 1 * 1000 * 1000; /* 1 sec */
743 do {
744 udelay(1);
745 gst_len_mpistate =
746 pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
747 GST_GSTLEN_MPIS_OFFSET);
748 if (GST_MPI_STATE_UNINIT ==
749 (gst_len_mpistate & GST_MPI_STATE_MASK))
750 break;
751 } while (--max_wait_count);
752 if (!max_wait_count) {
753 pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
754 gst_len_mpistate & GST_MPI_STATE_MASK);
755 return -1;
756 }
757 return 0;
758 }
759
760 /**
761 * soft_reset_ready_check - Function to check FW is ready for soft reset.
762 * @pm8001_ha: our hba card information
763 */
soft_reset_ready_check(struct pm8001_hba_info * pm8001_ha)764 static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
765 {
766 u32 regVal, regVal1, regVal2;
767 if (mpi_uninit_check(pm8001_ha) != 0) {
768 pm8001_dbg(pm8001_ha, FAIL, "MPI state is not ready\n");
769 return -1;
770 }
771 /* read the scratch pad 2 register bit 2 */
772 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
773 & SCRATCH_PAD2_FWRDY_RST;
774 if (regVal == SCRATCH_PAD2_FWRDY_RST) {
775 pm8001_dbg(pm8001_ha, INIT, "Firmware is ready for reset.\n");
776 } else {
777 unsigned long flags;
778 /* Trigger NMI twice via RB6 */
779 spin_lock_irqsave(&pm8001_ha->lock, flags);
780 if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
781 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
782 pm8001_dbg(pm8001_ha, FAIL,
783 "Shift Bar4 to 0x%x failed\n",
784 RB6_ACCESS_REG);
785 return -1;
786 }
787 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
788 RB6_MAGIC_NUMBER_RST);
789 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
790 /* wait for 100 ms */
791 mdelay(100);
792 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
793 SCRATCH_PAD2_FWRDY_RST;
794 if (regVal != SCRATCH_PAD2_FWRDY_RST) {
795 regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
796 regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
797 pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MSGU_SCRATCH_PAD1=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
798 regVal1, regVal2);
799 pm8001_dbg(pm8001_ha, FAIL,
800 "SCRATCH_PAD0 value = 0x%x\n",
801 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
802 pm8001_dbg(pm8001_ha, FAIL,
803 "SCRATCH_PAD3 value = 0x%x\n",
804 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
805 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
806 return -1;
807 }
808 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
809 }
810 return 0;
811 }
812
813 /**
814 * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
815 * the FW register status to the originated status.
816 * @pm8001_ha: our hba card information
817 */
818 static int
pm8001_chip_soft_rst(struct pm8001_hba_info * pm8001_ha)819 pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
820 {
821 u32 regVal, toggleVal;
822 u32 max_wait_count;
823 u32 regVal1, regVal2, regVal3;
824 u32 signature = 0x252acbcd; /* for host scratch pad0 */
825 unsigned long flags;
826
827 /* step1: Check FW is ready for soft reset */
828 if (soft_reset_ready_check(pm8001_ha) != 0) {
829 pm8001_dbg(pm8001_ha, FAIL, "FW is not ready\n");
830 return -1;
831 }
832
833 /* step 2: clear NMI status register on AAP1 and IOP, write the same
834 value to clear */
835 /* map 0x60000 to BAR4(0x20), BAR2(win) */
836 spin_lock_irqsave(&pm8001_ha->lock, flags);
837 if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
838 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
839 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
840 MBIC_AAP1_ADDR_BASE);
841 return -1;
842 }
843 regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
844 pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (IOP)= 0x%x\n",
845 regVal);
846 pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
847 /* map 0x70000 to BAR4(0x20), BAR2(win) */
848 if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
849 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
850 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
851 MBIC_IOP_ADDR_BASE);
852 return -1;
853 }
854 regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
855 pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n",
856 regVal);
857 pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
858
859 regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
860 pm8001_dbg(pm8001_ha, INIT, "PCIE -Event Interrupt Enable = 0x%x\n",
861 regVal);
862 pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
863
864 regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
865 pm8001_dbg(pm8001_ha, INIT, "PCIE - Event Interrupt = 0x%x\n",
866 regVal);
867 pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
868
869 regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
870 pm8001_dbg(pm8001_ha, INIT, "PCIE -Error Interrupt Enable = 0x%x\n",
871 regVal);
872 pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
873
874 regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
875 pm8001_dbg(pm8001_ha, INIT, "PCIE - Error Interrupt = 0x%x\n", regVal);
876 pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
877
878 /* read the scratch pad 1 register bit 2 */
879 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
880 & SCRATCH_PAD1_RST;
881 toggleVal = regVal ^ SCRATCH_PAD1_RST;
882
883 /* set signature in host scratch pad0 register to tell SPC that the
884 host performs the soft reset */
885 pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
886
887 /* read required registers for confirmming */
888 /* map 0x0700000 to BAR4(0x20), BAR2(win) */
889 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
890 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
891 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
892 GSM_ADDR_BASE);
893 return -1;
894 }
895 pm8001_dbg(pm8001_ha, INIT,
896 "GSM 0x0(0x00007b88)-GSM Configuration and Reset = 0x%x\n",
897 pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
898
899 /* step 3: host read GSM Configuration and Reset register */
900 regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
901 /* Put those bits to low */
902 /* GSM XCBI offset = 0x70 0000
903 0x00 Bit 13 COM_SLV_SW_RSTB 1
904 0x00 Bit 12 QSSP_SW_RSTB 1
905 0x00 Bit 11 RAAE_SW_RSTB 1
906 0x00 Bit 9 RB_1_SW_RSTB 1
907 0x00 Bit 8 SM_SW_RSTB 1
908 */
909 regVal &= ~(0x00003b00);
910 /* host write GSM Configuration and Reset register */
911 pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
912 pm8001_dbg(pm8001_ha, INIT,
913 "GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM Configuration and Reset is set to = 0x%x\n",
914 pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
915
916 /* step 4: */
917 /* disable GSM - Read Address Parity Check */
918 regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
919 pm8001_dbg(pm8001_ha, INIT,
920 "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
921 regVal1);
922 pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
923 pm8001_dbg(pm8001_ha, INIT,
924 "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
925 pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
926
927 /* disable GSM - Write Address Parity Check */
928 regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
929 pm8001_dbg(pm8001_ha, INIT,
930 "GSM 0x700040 - Write Address Parity Check Enable = 0x%x\n",
931 regVal2);
932 pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
933 pm8001_dbg(pm8001_ha, INIT,
934 "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
935 pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
936
937 /* disable GSM - Write Data Parity Check */
938 regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
939 pm8001_dbg(pm8001_ha, INIT, "GSM 0x300048 - Write Data Parity Check Enable = 0x%x\n",
940 regVal3);
941 pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
942 pm8001_dbg(pm8001_ha, INIT,
943 "GSM 0x300048 - Write Data Parity Check Enable is set to = 0x%x\n",
944 pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
945
946 /* step 5: delay 10 usec */
947 udelay(10);
948 /* step 5-b: set GPIO-0 output control to tristate anyway */
949 if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
950 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
951 pm8001_dbg(pm8001_ha, INIT, "Shift Bar4 to 0x%x failed\n",
952 GPIO_ADDR_BASE);
953 return -1;
954 }
955 regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
956 pm8001_dbg(pm8001_ha, INIT, "GPIO Output Control Register: = 0x%x\n",
957 regVal);
958 /* set GPIO-0 output control to tri-state */
959 regVal &= 0xFFFFFFFC;
960 pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
961
962 /* Step 6: Reset the IOP and AAP1 */
963 /* map 0x00000 to BAR4(0x20), BAR2(win) */
964 if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
965 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
966 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
967 SPC_TOP_LEVEL_ADDR_BASE);
968 return -1;
969 }
970 regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
971 pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting IOP/AAP1:= 0x%x\n",
972 regVal);
973 regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
974 pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
975
976 /* step 7: Reset the BDMA/OSSP */
977 regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
978 pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting BDMA/OSSP: = 0x%x\n",
979 regVal);
980 regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
981 pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
982
983 /* step 8: delay 10 usec */
984 udelay(10);
985
986 /* step 9: bring the BDMA and OSSP out of reset */
987 regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
988 pm8001_dbg(pm8001_ha, INIT,
989 "Top Register before bringing up BDMA/OSSP:= 0x%x\n",
990 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 10: delay 10 usec */
995 udelay(10);
996
997 /* step 11: reads and sets the GSM Configuration and Reset Register */
998 /* map 0x0700000 to BAR4(0x20), BAR2(win) */
999 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
1000 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1001 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
1002 GSM_ADDR_BASE);
1003 return -1;
1004 }
1005 pm8001_dbg(pm8001_ha, INIT,
1006 "GSM 0x0 (0x00007b88)-GSM Configuration and Reset = 0x%x\n",
1007 pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1008 regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
1009 /* Put those bits to high */
1010 /* GSM XCBI offset = 0x70 0000
1011 0x00 Bit 13 COM_SLV_SW_RSTB 1
1012 0x00 Bit 12 QSSP_SW_RSTB 1
1013 0x00 Bit 11 RAAE_SW_RSTB 1
1014 0x00 Bit 9 RB_1_SW_RSTB 1
1015 0x00 Bit 8 SM_SW_RSTB 1
1016 */
1017 regVal |= (GSM_CONFIG_RESET_VALUE);
1018 pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
1019 pm8001_dbg(pm8001_ha, INIT, "GSM (0x00004088 ==> 0x00007b88) - GSM Configuration and Reset is set to = 0x%x\n",
1020 pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1021
1022 /* step 12: Restore GSM - Read Address Parity Check */
1023 regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
1024 /* just for debugging */
1025 pm8001_dbg(pm8001_ha, INIT,
1026 "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
1027 regVal);
1028 pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
1029 pm8001_dbg(pm8001_ha, INIT, "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
1030 pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
1031 /* Restore GSM - Write Address Parity Check */
1032 regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
1033 pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
1034 pm8001_dbg(pm8001_ha, INIT,
1035 "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
1036 pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
1037 /* Restore GSM - Write Data Parity Check */
1038 regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
1039 pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
1040 pm8001_dbg(pm8001_ha, INIT,
1041 "GSM 0x700048 - Write Data Parity Check Enable is set to = 0x%x\n",
1042 pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
1043
1044 /* step 13: bring the IOP and AAP1 out of reset */
1045 /* map 0x00000 to BAR4(0x20), BAR2(win) */
1046 if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1047 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1048 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
1049 SPC_TOP_LEVEL_ADDR_BASE);
1050 return -1;
1051 }
1052 regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1053 regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1054 pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1055
1056 /* step 14: delay 10 usec - Normal Mode */
1057 udelay(10);
1058 /* check Soft Reset Normal mode or Soft Reset HDA mode */
1059 if (signature == SPC_SOFT_RESET_SIGNATURE) {
1060 /* step 15 (Normal Mode): wait until scratch pad1 register
1061 bit 2 toggled */
1062 max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1063 do {
1064 udelay(1);
1065 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1066 SCRATCH_PAD1_RST;
1067 } while ((regVal != toggleVal) && (--max_wait_count));
1068
1069 if (!max_wait_count) {
1070 regVal = pm8001_cr32(pm8001_ha, 0,
1071 MSGU_SCRATCH_PAD_1);
1072 pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT : ToggleVal 0x%x,MSGU_SCRATCH_PAD1 = 0x%x\n",
1073 toggleVal, regVal);
1074 pm8001_dbg(pm8001_ha, FAIL,
1075 "SCRATCH_PAD0 value = 0x%x\n",
1076 pm8001_cr32(pm8001_ha, 0,
1077 MSGU_SCRATCH_PAD_0));
1078 pm8001_dbg(pm8001_ha, FAIL,
1079 "SCRATCH_PAD2 value = 0x%x\n",
1080 pm8001_cr32(pm8001_ha, 0,
1081 MSGU_SCRATCH_PAD_2));
1082 pm8001_dbg(pm8001_ha, FAIL,
1083 "SCRATCH_PAD3 value = 0x%x\n",
1084 pm8001_cr32(pm8001_ha, 0,
1085 MSGU_SCRATCH_PAD_3));
1086 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1087 return -1;
1088 }
1089
1090 /* step 16 (Normal) - Clear ODMR and ODCR */
1091 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1092 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1093
1094 /* step 17 (Normal Mode): wait for the FW and IOP to get
1095 ready - 1 sec timeout */
1096 /* Wait for the SPC Configuration Table to be ready */
1097 if (check_fw_ready(pm8001_ha) == -1) {
1098 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1099 /* return error if MPI Configuration Table not ready */
1100 pm8001_dbg(pm8001_ha, INIT,
1101 "FW not ready SCRATCH_PAD1 = 0x%x\n",
1102 regVal);
1103 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1104 /* return error if MPI Configuration Table not ready */
1105 pm8001_dbg(pm8001_ha, INIT,
1106 "FW not ready SCRATCH_PAD2 = 0x%x\n",
1107 regVal);
1108 pm8001_dbg(pm8001_ha, INIT,
1109 "SCRATCH_PAD0 value = 0x%x\n",
1110 pm8001_cr32(pm8001_ha, 0,
1111 MSGU_SCRATCH_PAD_0));
1112 pm8001_dbg(pm8001_ha, INIT,
1113 "SCRATCH_PAD3 value = 0x%x\n",
1114 pm8001_cr32(pm8001_ha, 0,
1115 MSGU_SCRATCH_PAD_3));
1116 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1117 return -1;
1118 }
1119 }
1120 pm8001_bar4_shift(pm8001_ha, 0);
1121 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1122
1123 pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1124 return 0;
1125 }
1126
pm8001_hw_chip_rst(struct pm8001_hba_info * pm8001_ha)1127 static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1128 {
1129 u32 i;
1130 u32 regVal;
1131 pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1132
1133 /* do SPC chip reset. */
1134 regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1135 regVal &= ~(SPC_REG_RESET_DEVICE);
1136 pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1137
1138 /* delay 10 usec */
1139 udelay(10);
1140
1141 /* bring chip reset out of reset */
1142 regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1143 regVal |= SPC_REG_RESET_DEVICE;
1144 pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1145
1146 /* delay 10 usec */
1147 udelay(10);
1148
1149 /* wait for 20 msec until the firmware gets reloaded */
1150 i = 20;
1151 do {
1152 mdelay(1);
1153 } while ((--i) != 0);
1154
1155 pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1156 }
1157
1158 /**
1159 * pm8001_chip_iounmap - which mapped when initialized.
1160 * @pm8001_ha: our hba card information
1161 */
pm8001_chip_iounmap(struct pm8001_hba_info * pm8001_ha)1162 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1163 {
1164 s8 bar, logical = 0;
1165 for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
1166 /*
1167 ** logical BARs for SPC:
1168 ** bar 0 and 1 - logical BAR0
1169 ** bar 2 and 3 - logical BAR1
1170 ** bar4 - logical BAR2
1171 ** bar5 - logical BAR3
1172 ** Skip the appropriate assignments:
1173 */
1174 if ((bar == 1) || (bar == 3))
1175 continue;
1176 if (pm8001_ha->io_mem[logical].memvirtaddr) {
1177 iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1178 logical++;
1179 }
1180 }
1181 }
1182
1183 /**
1184 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1185 * @pm8001_ha: our hba card information
1186 * @vec: unused
1187 */
1188 static void
pm8001_chip_interrupt_enable(struct pm8001_hba_info * pm8001_ha,u8 vec)1189 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1190 {
1191 if (pm8001_ha->use_msix) {
1192 pm8001_cw32(pm8001_ha, 0, MSIX_TABLE_BASE,
1193 MSIX_INTERRUPT_ENABLE);
1194 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, 1);
1195 } else {
1196 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1197 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1198 }
1199 }
1200
1201 /**
1202 * pm8001_chip_interrupt_disable - disable PM8001 chip interrupt
1203 * @pm8001_ha: our hba card information
1204 * @vec: unused
1205 */
1206 static void
pm8001_chip_interrupt_disable(struct pm8001_hba_info * pm8001_ha,u8 vec)1207 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1208 {
1209 if (pm8001_ha->use_msix)
1210 pm8001_cw32(pm8001_ha, 0, MSIX_TABLE_BASE,
1211 MSIX_INTERRUPT_DISABLE);
1212 else
1213 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1214 }
1215
1216 /**
1217 * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1218 * inbound queue.
1219 * @circularQ: the inbound queue we want to transfer to HBA.
1220 * @messageSize: the message size of this transfer, normally it is 64 bytes
1221 * @messagePtr: the pointer to message.
1222 */
pm8001_mpi_msg_free_get(struct inbound_queue_table * circularQ,u16 messageSize,void ** messagePtr)1223 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1224 u16 messageSize, void **messagePtr)
1225 {
1226 u32 offset, consumer_index;
1227 struct mpi_msg_hdr *msgHeader;
1228 u8 bcCount = 1; /* only support single buffer */
1229
1230 /* Checks is the requested message size can be allocated in this queue*/
1231 if (messageSize > IOMB_SIZE_SPCV) {
1232 *messagePtr = NULL;
1233 return -1;
1234 }
1235
1236 /* Stores the new consumer index */
1237 consumer_index = pm8001_read_32(circularQ->ci_virt);
1238 circularQ->consumer_index = cpu_to_le32(consumer_index);
1239 if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1240 le32_to_cpu(circularQ->consumer_index)) {
1241 *messagePtr = NULL;
1242 return -1;
1243 }
1244 /* get memory IOMB buffer address */
1245 offset = circularQ->producer_idx * messageSize;
1246 /* increment to next bcCount element */
1247 circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1248 % PM8001_MPI_QUEUE;
1249 /* Adds that distance to the base of the region virtual address plus
1250 the message header size*/
1251 msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
1252 *messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1253 return 0;
1254 }
1255
1256 /**
1257 * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1258 * FW to tell the fw to get this message from IOMB.
1259 * @pm8001_ha: our hba card information
1260 * @q_index: the index in the inbound queue we want to transfer to HBA.
1261 * @opCode: the operation code represents commands which LLDD and fw recognized.
1262 * @payload: the command payload of each operation command.
1263 * @nb: size in bytes of the command payload
1264 * @responseQueue: queue to interrupt on w/ command response (if any)
1265 */
pm8001_mpi_build_cmd(struct pm8001_hba_info * pm8001_ha,u32 q_index,u32 opCode,void * payload,size_t nb,u32 responseQueue)1266 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1267 u32 q_index, u32 opCode, void *payload, size_t nb,
1268 u32 responseQueue)
1269 {
1270 u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1271 void *pMessage;
1272 unsigned long flags;
1273 struct inbound_queue_table *circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
1274 int rv;
1275 u32 htag = le32_to_cpu(*(__le32 *)payload);
1276
1277 trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
1278 circularQ->producer_idx, le32_to_cpu(circularQ->consumer_index));
1279
1280 if (WARN_ON(q_index >= pm8001_ha->max_q_num))
1281 return -EINVAL;
1282
1283 spin_lock_irqsave(&circularQ->iq_lock, flags);
1284 rv = pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1285 &pMessage);
1286 if (rv < 0) {
1287 pm8001_dbg(pm8001_ha, IO, "No free mpi buffer\n");
1288 rv = -ENOMEM;
1289 goto done;
1290 }
1291
1292 if (nb > (pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr)))
1293 nb = pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr);
1294 memcpy(pMessage, payload, nb);
1295 if (nb + sizeof(struct mpi_msg_hdr) < pm8001_ha->iomb_size)
1296 memset(pMessage + nb, 0, pm8001_ha->iomb_size -
1297 (nb + sizeof(struct mpi_msg_hdr)));
1298
1299 /*Build the header*/
1300 Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1301 | ((responseQueue & 0x3F) << 16)
1302 | ((category & 0xF) << 12) | (opCode & 0xFFF));
1303
1304 pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1305 /*Update the PI to the firmware*/
1306 pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1307 circularQ->pi_offset, circularQ->producer_idx);
1308 pm8001_dbg(pm8001_ha, DEVIO,
1309 "INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1310 responseQueue, opCode, circularQ->producer_idx,
1311 circularQ->consumer_index);
1312 done:
1313 spin_unlock_irqrestore(&circularQ->iq_lock, flags);
1314 return rv;
1315 }
1316
pm8001_mpi_msg_free_set(struct pm8001_hba_info * pm8001_ha,void * pMsg,struct outbound_queue_table * circularQ,u8 bc)1317 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1318 struct outbound_queue_table *circularQ, u8 bc)
1319 {
1320 u32 producer_index;
1321 struct mpi_msg_hdr *msgHeader;
1322 struct mpi_msg_hdr *pOutBoundMsgHeader;
1323
1324 msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1325 pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1326 circularQ->consumer_idx * pm8001_ha->iomb_size);
1327 if (pOutBoundMsgHeader != msgHeader) {
1328 pm8001_dbg(pm8001_ha, FAIL,
1329 "consumer_idx = %d msgHeader = %p\n",
1330 circularQ->consumer_idx, msgHeader);
1331
1332 /* Update the producer index from SPC */
1333 producer_index = pm8001_read_32(circularQ->pi_virt);
1334 circularQ->producer_index = cpu_to_le32(producer_index);
1335 pm8001_dbg(pm8001_ha, FAIL,
1336 "consumer_idx = %d producer_index = %dmsgHeader = %p\n",
1337 circularQ->consumer_idx,
1338 circularQ->producer_index, msgHeader);
1339 return 0;
1340 }
1341 /* free the circular queue buffer elements associated with the message*/
1342 circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1343 % PM8001_MPI_QUEUE;
1344 /* update the CI of outbound queue */
1345 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1346 circularQ->consumer_idx);
1347 /* Update the producer index from SPC*/
1348 producer_index = pm8001_read_32(circularQ->pi_virt);
1349 circularQ->producer_index = cpu_to_le32(producer_index);
1350 pm8001_dbg(pm8001_ha, IO, " CI=%d PI=%d\n",
1351 circularQ->consumer_idx, circularQ->producer_index);
1352 return 0;
1353 }
1354
1355 /**
1356 * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1357 * message table.
1358 * @pm8001_ha: our hba card information
1359 * @circularQ: the outbound queue table.
1360 * @messagePtr1: the message contents of this outbound message.
1361 * @pBC: the message size.
1362 */
pm8001_mpi_msg_consume(struct pm8001_hba_info * pm8001_ha,struct outbound_queue_table * circularQ,void ** messagePtr1,u8 * pBC)1363 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1364 struct outbound_queue_table *circularQ,
1365 void **messagePtr1, u8 *pBC)
1366 {
1367 struct mpi_msg_hdr *msgHeader;
1368 __le32 msgHeader_tmp;
1369 u32 header_tmp;
1370 do {
1371 /* If there are not-yet-delivered messages ... */
1372 if (le32_to_cpu(circularQ->producer_index)
1373 != circularQ->consumer_idx) {
1374 /*Get the pointer to the circular queue buffer element*/
1375 msgHeader = (struct mpi_msg_hdr *)
1376 (circularQ->base_virt +
1377 circularQ->consumer_idx * pm8001_ha->iomb_size);
1378 /* read header */
1379 header_tmp = pm8001_read_32(msgHeader);
1380 msgHeader_tmp = cpu_to_le32(header_tmp);
1381 pm8001_dbg(pm8001_ha, DEVIO,
1382 "outbound opcode msgheader:%x ci=%d pi=%d\n",
1383 msgHeader_tmp, circularQ->consumer_idx,
1384 circularQ->producer_index);
1385 if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1386 if (OPC_OUB_SKIP_ENTRY !=
1387 (le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1388 *messagePtr1 =
1389 ((u8 *)msgHeader) +
1390 sizeof(struct mpi_msg_hdr);
1391 *pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1392 >> 24) & 0x1f);
1393 pm8001_dbg(pm8001_ha, IO,
1394 ": CI=%d PI=%d msgHeader=%x\n",
1395 circularQ->consumer_idx,
1396 circularQ->producer_index,
1397 msgHeader_tmp);
1398 return MPI_IO_STATUS_SUCCESS;
1399 } else {
1400 circularQ->consumer_idx =
1401 (circularQ->consumer_idx +
1402 ((le32_to_cpu(msgHeader_tmp)
1403 >> 24) & 0x1f))
1404 % PM8001_MPI_QUEUE;
1405 msgHeader_tmp = 0;
1406 pm8001_write_32(msgHeader, 0, 0);
1407 /* update the CI of outbound queue */
1408 pm8001_cw32(pm8001_ha,
1409 circularQ->ci_pci_bar,
1410 circularQ->ci_offset,
1411 circularQ->consumer_idx);
1412 }
1413 } else {
1414 circularQ->consumer_idx =
1415 (circularQ->consumer_idx +
1416 ((le32_to_cpu(msgHeader_tmp) >> 24) &
1417 0x1f)) % PM8001_MPI_QUEUE;
1418 msgHeader_tmp = 0;
1419 pm8001_write_32(msgHeader, 0, 0);
1420 /* update the CI of outbound queue */
1421 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1422 circularQ->ci_offset,
1423 circularQ->consumer_idx);
1424 return MPI_IO_STATUS_FAIL;
1425 }
1426 } else {
1427 u32 producer_index;
1428 void *pi_virt = circularQ->pi_virt;
1429 /* spurious interrupt during setup if
1430 * kexec-ing and driver doing a doorbell access
1431 * with the pre-kexec oq interrupt setup
1432 */
1433 if (!pi_virt)
1434 break;
1435 /* Update the producer index from SPC */
1436 producer_index = pm8001_read_32(pi_virt);
1437 circularQ->producer_index = cpu_to_le32(producer_index);
1438 }
1439 } while (le32_to_cpu(circularQ->producer_index) !=
1440 circularQ->consumer_idx);
1441 /* while we don't have any more not-yet-delivered message */
1442 /* report empty */
1443 return MPI_IO_STATUS_BUSY;
1444 }
1445
pm8001_work_fn(struct work_struct * work)1446 void pm8001_work_fn(struct work_struct *work)
1447 {
1448 struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1449 struct pm8001_device *pm8001_dev;
1450 struct domain_device *dev;
1451
1452 /*
1453 * So far, all users of this stash an associated structure here.
1454 * If we get here, and this pointer is null, then the action
1455 * was cancelled. This nullification happens when the device
1456 * goes away.
1457 */
1458 if (pw->handler != IO_FATAL_ERROR) {
1459 pm8001_dev = pw->data; /* Most stash device structure */
1460 if ((pm8001_dev == NULL)
1461 || ((pw->handler != IO_XFER_ERROR_BREAK)
1462 && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1463 kfree(pw);
1464 return;
1465 }
1466 }
1467
1468 switch (pw->handler) {
1469 case IO_XFER_ERROR_BREAK:
1470 { /* This one stashes the sas_task instead */
1471 struct sas_task *t = (struct sas_task *)pm8001_dev;
1472 struct pm8001_ccb_info *ccb;
1473 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1474 unsigned long flags, flags1;
1475 struct task_status_struct *ts;
1476 int i;
1477
1478 if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1479 break; /* Task still on lu */
1480 spin_lock_irqsave(&pm8001_ha->lock, flags);
1481
1482 spin_lock_irqsave(&t->task_state_lock, flags1);
1483 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1484 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1485 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1486 break; /* Task got completed by another */
1487 }
1488 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1489
1490 /* Search for a possible ccb that matches the task */
1491 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1492 ccb = &pm8001_ha->ccb_info[i];
1493 if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1494 (ccb->task == t))
1495 break;
1496 }
1497 if (!ccb) {
1498 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1499 break; /* Task got freed by another */
1500 }
1501 ts = &t->task_status;
1502 ts->resp = SAS_TASK_COMPLETE;
1503 /* Force the midlayer to retry */
1504 ts->stat = SAS_QUEUE_FULL;
1505 pm8001_dev = ccb->device;
1506 if (pm8001_dev)
1507 atomic_dec(&pm8001_dev->running_req);
1508 spin_lock_irqsave(&t->task_state_lock, flags1);
1509 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1510 t->task_state_flags |= SAS_TASK_STATE_DONE;
1511 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1512 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1513 pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
1514 t, pw->handler, ts->resp, ts->stat);
1515 pm8001_ccb_task_free(pm8001_ha, ccb);
1516 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1517 } else {
1518 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1519 pm8001_ccb_task_free(pm8001_ha, ccb);
1520 mb();/* in order to force CPU ordering */
1521 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1522 t->task_done(t);
1523 }
1524 } break;
1525 case IO_XFER_OPEN_RETRY_TIMEOUT:
1526 { /* This one stashes the sas_task instead */
1527 struct sas_task *t = (struct sas_task *)pm8001_dev;
1528 struct pm8001_ccb_info *ccb;
1529 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1530 unsigned long flags, flags1;
1531 int i, ret = 0;
1532
1533 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1534
1535 ret = pm8001_query_task(t);
1536
1537 if (ret == TMF_RESP_FUNC_SUCC)
1538 pm8001_dbg(pm8001_ha, IO, "...Task on lu\n");
1539 else if (ret == TMF_RESP_FUNC_COMPLETE)
1540 pm8001_dbg(pm8001_ha, IO, "...Task NOT on lu\n");
1541 else
1542 pm8001_dbg(pm8001_ha, DEVIO, "...query task failed!!!\n");
1543
1544 spin_lock_irqsave(&pm8001_ha->lock, flags);
1545
1546 spin_lock_irqsave(&t->task_state_lock, flags1);
1547
1548 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1549 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1550 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1551 if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1552 (void)pm8001_abort_task(t);
1553 break; /* Task got completed by another */
1554 }
1555
1556 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1557
1558 /* Search for a possible ccb that matches the task */
1559 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1560 ccb = &pm8001_ha->ccb_info[i];
1561 if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1562 (ccb->task == t))
1563 break;
1564 }
1565 if (!ccb) {
1566 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1567 if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1568 (void)pm8001_abort_task(t);
1569 break; /* Task got freed by another */
1570 }
1571
1572 pm8001_dev = ccb->device;
1573 dev = pm8001_dev->sas_device;
1574
1575 switch (ret) {
1576 case TMF_RESP_FUNC_SUCC: /* task on lu */
1577 ccb->open_retry = 1; /* Snub completion */
1578 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1579 ret = pm8001_abort_task(t);
1580 ccb->open_retry = 0;
1581 switch (ret) {
1582 case TMF_RESP_FUNC_SUCC:
1583 case TMF_RESP_FUNC_COMPLETE:
1584 break;
1585 default: /* device misbehavior */
1586 ret = TMF_RESP_FUNC_FAILED;
1587 pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1588 pm8001_I_T_nexus_reset(dev);
1589 break;
1590 }
1591 break;
1592
1593 case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1594 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1595 /* Do we need to abort the task locally? */
1596 break;
1597
1598 default: /* device misbehavior */
1599 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1600 ret = TMF_RESP_FUNC_FAILED;
1601 pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1602 pm8001_I_T_nexus_reset(dev);
1603 }
1604
1605 if (ret == TMF_RESP_FUNC_FAILED)
1606 t = NULL;
1607 pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1608 pm8001_dbg(pm8001_ha, IO, "...Complete\n");
1609 } break;
1610 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1611 dev = pm8001_dev->sas_device;
1612 pm8001_I_T_nexus_event_handler(dev);
1613 break;
1614 case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1615 dev = pm8001_dev->sas_device;
1616 pm8001_I_T_nexus_reset(dev);
1617 break;
1618 case IO_DS_IN_ERROR:
1619 dev = pm8001_dev->sas_device;
1620 pm8001_I_T_nexus_reset(dev);
1621 break;
1622 case IO_DS_NON_OPERATIONAL:
1623 dev = pm8001_dev->sas_device;
1624 pm8001_I_T_nexus_reset(dev);
1625 break;
1626 case IO_FATAL_ERROR:
1627 {
1628 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1629 struct pm8001_ccb_info *ccb;
1630 struct task_status_struct *ts;
1631 struct sas_task *task;
1632 int i;
1633 u32 device_id;
1634
1635 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1636 ccb = &pm8001_ha->ccb_info[i];
1637 task = ccb->task;
1638 ts = &task->task_status;
1639
1640 if (task != NULL) {
1641 dev = task->dev;
1642 if (!dev) {
1643 pm8001_dbg(pm8001_ha, FAIL,
1644 "dev is NULL\n");
1645 continue;
1646 }
1647 /*complete sas task and update to top layer */
1648 pm8001_ccb_task_free(pm8001_ha, ccb);
1649 ts->resp = SAS_TASK_COMPLETE;
1650 task->task_done(task);
1651 } else if (ccb->ccb_tag != PM8001_INVALID_TAG) {
1652 /* complete the internal commands/non-sas task */
1653 pm8001_dev = ccb->device;
1654 if (pm8001_dev->dcompletion) {
1655 complete(pm8001_dev->dcompletion);
1656 pm8001_dev->dcompletion = NULL;
1657 }
1658 complete(pm8001_ha->nvmd_completion);
1659 pm8001_ccb_free(pm8001_ha, ccb);
1660 }
1661 }
1662 /* Deregister all the device ids */
1663 for (i = 0; i < PM8001_MAX_DEVICES; i++) {
1664 pm8001_dev = &pm8001_ha->devices[i];
1665 device_id = pm8001_dev->device_id;
1666 if (device_id) {
1667 PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
1668 pm8001_free_dev(pm8001_dev);
1669 }
1670 }
1671 }
1672 break;
1673 case IO_XFER_ERROR_ABORTED_NCQ_MODE:
1674 {
1675 dev = pm8001_dev->sas_device;
1676 sas_ata_device_link_abort(dev, false);
1677 }
1678 break;
1679 }
1680 kfree(pw);
1681 }
1682
pm8001_handle_event(struct pm8001_hba_info * pm8001_ha,void * data,int handler)1683 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1684 int handler)
1685 {
1686 struct pm8001_work *pw;
1687 int ret = 0;
1688
1689 pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1690 if (pw) {
1691 pw->pm8001_ha = pm8001_ha;
1692 pw->data = data;
1693 pw->handler = handler;
1694 INIT_WORK(&pw->work, pm8001_work_fn);
1695 queue_work(pm8001_wq, &pw->work);
1696 } else
1697 ret = -ENOMEM;
1698
1699 return ret;
1700 }
1701
1702 /**
1703 * mpi_ssp_completion- process the event that FW response to the SSP request.
1704 * @pm8001_ha: our hba card information
1705 * @piomb: the message contents of this outbound message.
1706 *
1707 * When FW has completed a ssp request for example a IO request, after it has
1708 * filled the SG data with the data, it will trigger this event representing
1709 * that he has finished the job; please check the corresponding buffer.
1710 * So we will tell the caller who maybe waiting the result to tell upper layer
1711 * that the task has been finished.
1712 */
1713 static void
mpi_ssp_completion(struct pm8001_hba_info * pm8001_ha,void * piomb)1714 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1715 {
1716 struct sas_task *t;
1717 struct pm8001_ccb_info *ccb;
1718 unsigned long flags;
1719 u32 status;
1720 u32 param;
1721 u32 tag;
1722 struct ssp_completion_resp *psspPayload;
1723 struct task_status_struct *ts;
1724 struct ssp_response_iu *iu;
1725 struct pm8001_device *pm8001_dev;
1726 psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1727 status = le32_to_cpu(psspPayload->status);
1728 tag = le32_to_cpu(psspPayload->tag);
1729 ccb = &pm8001_ha->ccb_info[tag];
1730 if ((status == IO_ABORTED) && ccb->open_retry) {
1731 /* Being completed by another */
1732 ccb->open_retry = 0;
1733 return;
1734 }
1735 pm8001_dev = ccb->device;
1736 param = le32_to_cpu(psspPayload->param);
1737
1738 t = ccb->task;
1739
1740 if (status && status != IO_UNDERFLOW)
1741 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1742 if (unlikely(!t || !t->lldd_task || !t->dev))
1743 return;
1744 ts = &t->task_status;
1745 /* Print sas address of IO failed device */
1746 if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1747 (status != IO_UNDERFLOW))
1748 pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1749 SAS_ADDR(t->dev->sas_addr));
1750
1751 if (status)
1752 pm8001_dbg(pm8001_ha, IOERR,
1753 "status:0x%x, tag:0x%x, task:0x%p\n",
1754 status, tag, t);
1755
1756 switch (status) {
1757 case IO_SUCCESS:
1758 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS,param = %d\n",
1759 param);
1760 if (param == 0) {
1761 ts->resp = SAS_TASK_COMPLETE;
1762 ts->stat = SAS_SAM_STAT_GOOD;
1763 } else {
1764 ts->resp = SAS_TASK_COMPLETE;
1765 ts->stat = SAS_PROTO_RESPONSE;
1766 ts->residual = param;
1767 iu = &psspPayload->ssp_resp_iu;
1768 sas_ssp_task_response(pm8001_ha->dev, t, iu);
1769 }
1770 if (pm8001_dev)
1771 atomic_dec(&pm8001_dev->running_req);
1772 break;
1773 case IO_ABORTED:
1774 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1775 ts->resp = SAS_TASK_COMPLETE;
1776 ts->stat = SAS_ABORTED_TASK;
1777 break;
1778 case IO_UNDERFLOW:
1779 /* SSP Completion with error */
1780 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW,param = %d\n",
1781 param);
1782 ts->resp = SAS_TASK_COMPLETE;
1783 ts->stat = SAS_DATA_UNDERRUN;
1784 ts->residual = param;
1785 if (pm8001_dev)
1786 atomic_dec(&pm8001_dev->running_req);
1787 break;
1788 case IO_NO_DEVICE:
1789 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1790 ts->resp = SAS_TASK_UNDELIVERED;
1791 ts->stat = SAS_PHY_DOWN;
1792 break;
1793 case IO_XFER_ERROR_BREAK:
1794 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1795 ts->resp = SAS_TASK_COMPLETE;
1796 ts->stat = SAS_OPEN_REJECT;
1797 /* Force the midlayer to retry */
1798 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1799 break;
1800 case IO_XFER_ERROR_PHY_NOT_READY:
1801 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1802 ts->resp = SAS_TASK_COMPLETE;
1803 ts->stat = SAS_OPEN_REJECT;
1804 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1805 break;
1806 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1807 pm8001_dbg(pm8001_ha, IO,
1808 "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1809 ts->resp = SAS_TASK_COMPLETE;
1810 ts->stat = SAS_OPEN_REJECT;
1811 ts->open_rej_reason = SAS_OREJ_EPROTO;
1812 break;
1813 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1814 pm8001_dbg(pm8001_ha, IO,
1815 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1816 ts->resp = SAS_TASK_COMPLETE;
1817 ts->stat = SAS_OPEN_REJECT;
1818 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1819 break;
1820 case IO_OPEN_CNX_ERROR_BREAK:
1821 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
1822 ts->resp = SAS_TASK_COMPLETE;
1823 ts->stat = SAS_OPEN_REJECT;
1824 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1825 break;
1826 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1827 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
1828 ts->resp = SAS_TASK_COMPLETE;
1829 ts->stat = SAS_OPEN_REJECT;
1830 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1831 if (!t->uldd_task)
1832 pm8001_handle_event(pm8001_ha,
1833 pm8001_dev,
1834 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1835 break;
1836 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1837 pm8001_dbg(pm8001_ha, IO,
1838 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
1839 ts->resp = SAS_TASK_COMPLETE;
1840 ts->stat = SAS_OPEN_REJECT;
1841 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1842 break;
1843 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1844 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
1845 ts->resp = SAS_TASK_COMPLETE;
1846 ts->stat = SAS_OPEN_REJECT;
1847 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1848 break;
1849 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1850 pm8001_dbg(pm8001_ha, IO,
1851 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
1852 ts->resp = SAS_TASK_UNDELIVERED;
1853 ts->stat = SAS_OPEN_REJECT;
1854 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1855 break;
1856 case IO_XFER_ERROR_NAK_RECEIVED:
1857 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
1858 ts->resp = SAS_TASK_COMPLETE;
1859 ts->stat = SAS_OPEN_REJECT;
1860 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1861 break;
1862 case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1863 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
1864 ts->resp = SAS_TASK_COMPLETE;
1865 ts->stat = SAS_NAK_R_ERR;
1866 break;
1867 case IO_XFER_ERROR_DMA:
1868 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
1869 ts->resp = SAS_TASK_COMPLETE;
1870 ts->stat = SAS_OPEN_REJECT;
1871 break;
1872 case IO_XFER_OPEN_RETRY_TIMEOUT:
1873 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1874 ts->resp = SAS_TASK_COMPLETE;
1875 ts->stat = SAS_OPEN_REJECT;
1876 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1877 break;
1878 case IO_XFER_ERROR_OFFSET_MISMATCH:
1879 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
1880 ts->resp = SAS_TASK_COMPLETE;
1881 ts->stat = SAS_OPEN_REJECT;
1882 break;
1883 case IO_PORT_IN_RESET:
1884 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
1885 ts->resp = SAS_TASK_COMPLETE;
1886 ts->stat = SAS_OPEN_REJECT;
1887 break;
1888 case IO_DS_NON_OPERATIONAL:
1889 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
1890 ts->resp = SAS_TASK_COMPLETE;
1891 ts->stat = SAS_OPEN_REJECT;
1892 if (!t->uldd_task)
1893 pm8001_handle_event(pm8001_ha,
1894 pm8001_dev,
1895 IO_DS_NON_OPERATIONAL);
1896 break;
1897 case IO_DS_IN_RECOVERY:
1898 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
1899 ts->resp = SAS_TASK_COMPLETE;
1900 ts->stat = SAS_OPEN_REJECT;
1901 break;
1902 case IO_TM_TAG_NOT_FOUND:
1903 pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
1904 ts->resp = SAS_TASK_COMPLETE;
1905 ts->stat = SAS_OPEN_REJECT;
1906 break;
1907 case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1908 pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
1909 ts->resp = SAS_TASK_COMPLETE;
1910 ts->stat = SAS_OPEN_REJECT;
1911 break;
1912 case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1913 pm8001_dbg(pm8001_ha, IO,
1914 "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
1915 ts->resp = SAS_TASK_COMPLETE;
1916 ts->stat = SAS_OPEN_REJECT;
1917 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1918 break;
1919 default:
1920 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
1921 /* not allowed case. Therefore, return failed status */
1922 ts->resp = SAS_TASK_COMPLETE;
1923 ts->stat = SAS_OPEN_REJECT;
1924 break;
1925 }
1926 pm8001_dbg(pm8001_ha, IO, "scsi_status = %x\n",
1927 psspPayload->ssp_resp_iu.status);
1928 spin_lock_irqsave(&t->task_state_lock, flags);
1929 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1930 t->task_state_flags |= SAS_TASK_STATE_DONE;
1931 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1932 spin_unlock_irqrestore(&t->task_state_lock, flags);
1933 pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
1934 t, status, ts->resp, ts->stat);
1935 pm8001_ccb_task_free(pm8001_ha, ccb);
1936 } else {
1937 spin_unlock_irqrestore(&t->task_state_lock, flags);
1938 pm8001_ccb_task_free(pm8001_ha, ccb);
1939 mb();/* in order to force CPU ordering */
1940 t->task_done(t);
1941 }
1942 }
1943
1944 /*See the comments for mpi_ssp_completion */
mpi_ssp_event(struct pm8001_hba_info * pm8001_ha,void * piomb)1945 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
1946 {
1947 struct sas_task *t;
1948 unsigned long flags;
1949 struct task_status_struct *ts;
1950 struct pm8001_ccb_info *ccb;
1951 struct pm8001_device *pm8001_dev;
1952 struct ssp_event_resp *psspPayload =
1953 (struct ssp_event_resp *)(piomb + 4);
1954 u32 event = le32_to_cpu(psspPayload->event);
1955 u32 tag = le32_to_cpu(psspPayload->tag);
1956 u32 port_id = le32_to_cpu(psspPayload->port_id);
1957 u32 dev_id = le32_to_cpu(psspPayload->device_id);
1958
1959 ccb = &pm8001_ha->ccb_info[tag];
1960 t = ccb->task;
1961 pm8001_dev = ccb->device;
1962 if (event)
1963 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
1964 if (unlikely(!t || !t->lldd_task || !t->dev))
1965 return;
1966 ts = &t->task_status;
1967 pm8001_dbg(pm8001_ha, DEVIO, "port_id = %x,device_id = %x\n",
1968 port_id, dev_id);
1969 switch (event) {
1970 case IO_OVERFLOW:
1971 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
1972 ts->resp = SAS_TASK_COMPLETE;
1973 ts->stat = SAS_DATA_OVERRUN;
1974 ts->residual = 0;
1975 if (pm8001_dev)
1976 atomic_dec(&pm8001_dev->running_req);
1977 break;
1978 case IO_XFER_ERROR_BREAK:
1979 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1980 pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1981 return;
1982 case IO_XFER_ERROR_PHY_NOT_READY:
1983 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1984 ts->resp = SAS_TASK_COMPLETE;
1985 ts->stat = SAS_OPEN_REJECT;
1986 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1987 break;
1988 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1989 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1990 ts->resp = SAS_TASK_COMPLETE;
1991 ts->stat = SAS_OPEN_REJECT;
1992 ts->open_rej_reason = SAS_OREJ_EPROTO;
1993 break;
1994 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1995 pm8001_dbg(pm8001_ha, IO,
1996 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1997 ts->resp = SAS_TASK_COMPLETE;
1998 ts->stat = SAS_OPEN_REJECT;
1999 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2000 break;
2001 case IO_OPEN_CNX_ERROR_BREAK:
2002 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2003 ts->resp = SAS_TASK_COMPLETE;
2004 ts->stat = SAS_OPEN_REJECT;
2005 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2006 break;
2007 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2008 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2009 ts->resp = SAS_TASK_COMPLETE;
2010 ts->stat = SAS_OPEN_REJECT;
2011 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2012 if (!t->uldd_task)
2013 pm8001_handle_event(pm8001_ha,
2014 pm8001_dev,
2015 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2016 break;
2017 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2018 pm8001_dbg(pm8001_ha, IO,
2019 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2020 ts->resp = SAS_TASK_COMPLETE;
2021 ts->stat = SAS_OPEN_REJECT;
2022 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2023 break;
2024 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2025 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2026 ts->resp = SAS_TASK_COMPLETE;
2027 ts->stat = SAS_OPEN_REJECT;
2028 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2029 break;
2030 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2031 pm8001_dbg(pm8001_ha, IO,
2032 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2033 ts->resp = SAS_TASK_COMPLETE;
2034 ts->stat = SAS_OPEN_REJECT;
2035 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2036 break;
2037 case IO_XFER_ERROR_NAK_RECEIVED:
2038 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2039 ts->resp = SAS_TASK_COMPLETE;
2040 ts->stat = SAS_OPEN_REJECT;
2041 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2042 break;
2043 case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2044 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2045 ts->resp = SAS_TASK_COMPLETE;
2046 ts->stat = SAS_NAK_R_ERR;
2047 break;
2048 case IO_XFER_OPEN_RETRY_TIMEOUT:
2049 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2050 pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2051 return;
2052 case IO_XFER_ERROR_UNEXPECTED_PHASE:
2053 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2054 ts->resp = SAS_TASK_COMPLETE;
2055 ts->stat = SAS_DATA_OVERRUN;
2056 break;
2057 case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2058 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2059 ts->resp = SAS_TASK_COMPLETE;
2060 ts->stat = SAS_DATA_OVERRUN;
2061 break;
2062 case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2063 pm8001_dbg(pm8001_ha, IO,
2064 "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2065 ts->resp = SAS_TASK_COMPLETE;
2066 ts->stat = SAS_DATA_OVERRUN;
2067 break;
2068 case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2069 pm8001_dbg(pm8001_ha, IO,
2070 "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2071 ts->resp = SAS_TASK_COMPLETE;
2072 ts->stat = SAS_DATA_OVERRUN;
2073 break;
2074 case IO_XFER_ERROR_OFFSET_MISMATCH:
2075 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2076 ts->resp = SAS_TASK_COMPLETE;
2077 ts->stat = SAS_DATA_OVERRUN;
2078 break;
2079 case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2080 pm8001_dbg(pm8001_ha, IO,
2081 "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2082 ts->resp = SAS_TASK_COMPLETE;
2083 ts->stat = SAS_DATA_OVERRUN;
2084 break;
2085 case IO_XFER_CMD_FRAME_ISSUED:
2086 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2087 return;
2088 default:
2089 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2090 /* not allowed case. Therefore, return failed status */
2091 ts->resp = SAS_TASK_COMPLETE;
2092 ts->stat = SAS_DATA_OVERRUN;
2093 break;
2094 }
2095 spin_lock_irqsave(&t->task_state_lock, flags);
2096 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2097 t->task_state_flags |= SAS_TASK_STATE_DONE;
2098 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2099 spin_unlock_irqrestore(&t->task_state_lock, flags);
2100 pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2101 t, event, ts->resp, ts->stat);
2102 pm8001_ccb_task_free(pm8001_ha, ccb);
2103 } else {
2104 spin_unlock_irqrestore(&t->task_state_lock, flags);
2105 pm8001_ccb_task_free(pm8001_ha, ccb);
2106 mb();/* in order to force CPU ordering */
2107 t->task_done(t);
2108 }
2109 }
2110
2111 /*See the comments for mpi_ssp_completion */
2112 static void
mpi_sata_completion(struct pm8001_hba_info * pm8001_ha,void * piomb)2113 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2114 {
2115 struct sas_task *t;
2116 struct pm8001_ccb_info *ccb;
2117 u32 param;
2118 u32 status;
2119 u32 tag;
2120 int i, j;
2121 u8 sata_addr_low[4];
2122 u32 temp_sata_addr_low;
2123 u8 sata_addr_hi[4];
2124 u32 temp_sata_addr_hi;
2125 struct sata_completion_resp *psataPayload;
2126 struct task_status_struct *ts;
2127 struct ata_task_resp *resp ;
2128 u32 *sata_resp;
2129 struct pm8001_device *pm8001_dev;
2130 unsigned long flags;
2131
2132 psataPayload = (struct sata_completion_resp *)(piomb + 4);
2133 status = le32_to_cpu(psataPayload->status);
2134 param = le32_to_cpu(psataPayload->param);
2135 tag = le32_to_cpu(psataPayload->tag);
2136
2137 ccb = &pm8001_ha->ccb_info[tag];
2138 t = ccb->task;
2139 pm8001_dev = ccb->device;
2140
2141 if (t) {
2142 if (t->dev && (t->dev->lldd_dev))
2143 pm8001_dev = t->dev->lldd_dev;
2144 } else {
2145 pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2146 ccb->ccb_tag);
2147 pm8001_ccb_free(pm8001_ha, ccb);
2148 return;
2149 }
2150
2151 if (pm8001_dev && unlikely(!t || !t->lldd_task || !t->dev)) {
2152 pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2153 return;
2154 }
2155
2156 ts = &t->task_status;
2157
2158 if (status)
2159 pm8001_dbg(pm8001_ha, IOERR,
2160 "status:0x%x, tag:0x%x, task::0x%p\n",
2161 status, tag, t);
2162
2163 /* Print sas address of IO failed device */
2164 if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2165 (status != IO_UNDERFLOW)) {
2166 if (!((t->dev->parent) &&
2167 (dev_is_expander(t->dev->parent->dev_type)))) {
2168 for (i = 0, j = 4; j <= 7 && i <= 3; i++, j++)
2169 sata_addr_low[i] = pm8001_ha->sas_addr[j];
2170 for (i = 0, j = 0; j <= 3 && i <= 3; i++, j++)
2171 sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2172 memcpy(&temp_sata_addr_low, sata_addr_low,
2173 sizeof(sata_addr_low));
2174 memcpy(&temp_sata_addr_hi, sata_addr_hi,
2175 sizeof(sata_addr_hi));
2176 temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2177 |((temp_sata_addr_hi << 8) &
2178 0xff0000) |
2179 ((temp_sata_addr_hi >> 8)
2180 & 0xff00) |
2181 ((temp_sata_addr_hi << 24) &
2182 0xff000000));
2183 temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2184 & 0xff) |
2185 ((temp_sata_addr_low << 8)
2186 & 0xff0000) |
2187 ((temp_sata_addr_low >> 8)
2188 & 0xff00) |
2189 ((temp_sata_addr_low << 24)
2190 & 0xff000000)) +
2191 pm8001_dev->attached_phy +
2192 0x10);
2193 pm8001_dbg(pm8001_ha, FAIL,
2194 "SAS Address of IO Failure Drive:%08x%08x\n",
2195 temp_sata_addr_hi,
2196 temp_sata_addr_low);
2197 } else {
2198 pm8001_dbg(pm8001_ha, FAIL,
2199 "SAS Address of IO Failure Drive:%016llx\n",
2200 SAS_ADDR(t->dev->sas_addr));
2201 }
2202 }
2203 switch (status) {
2204 case IO_SUCCESS:
2205 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2206 if (param == 0) {
2207 ts->resp = SAS_TASK_COMPLETE;
2208 ts->stat = SAS_SAM_STAT_GOOD;
2209 } else {
2210 u8 len;
2211 ts->resp = SAS_TASK_COMPLETE;
2212 ts->stat = SAS_PROTO_RESPONSE;
2213 ts->residual = param;
2214 pm8001_dbg(pm8001_ha, IO,
2215 "SAS_PROTO_RESPONSE len = %d\n",
2216 param);
2217 sata_resp = &psataPayload->sata_resp[0];
2218 resp = (struct ata_task_resp *)ts->buf;
2219 if (t->ata_task.dma_xfer == 0 &&
2220 t->data_dir == DMA_FROM_DEVICE) {
2221 len = sizeof(struct pio_setup_fis);
2222 pm8001_dbg(pm8001_ha, IO,
2223 "PIO read len = %d\n", len);
2224 } else if (t->ata_task.use_ncq &&
2225 t->data_dir != DMA_NONE) {
2226 len = sizeof(struct set_dev_bits_fis);
2227 pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2228 len);
2229 } else {
2230 len = sizeof(struct dev_to_host_fis);
2231 pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2232 len);
2233 }
2234 if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2235 resp->frame_len = len;
2236 memcpy(&resp->ending_fis[0], sata_resp, len);
2237 ts->buf_valid_size = sizeof(*resp);
2238 } else
2239 pm8001_dbg(pm8001_ha, IO,
2240 "response too large\n");
2241 }
2242 if (pm8001_dev)
2243 atomic_dec(&pm8001_dev->running_req);
2244 break;
2245 case IO_ABORTED:
2246 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2247 ts->resp = SAS_TASK_COMPLETE;
2248 ts->stat = SAS_ABORTED_TASK;
2249 if (pm8001_dev)
2250 atomic_dec(&pm8001_dev->running_req);
2251 break;
2252 /* following cases are to do cases */
2253 case IO_UNDERFLOW:
2254 /* SATA Completion with error */
2255 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2256 ts->resp = SAS_TASK_COMPLETE;
2257 ts->stat = SAS_DATA_UNDERRUN;
2258 ts->residual = param;
2259 if (pm8001_dev)
2260 atomic_dec(&pm8001_dev->running_req);
2261 break;
2262 case IO_NO_DEVICE:
2263 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2264 ts->resp = SAS_TASK_UNDELIVERED;
2265 ts->stat = SAS_PHY_DOWN;
2266 if (pm8001_dev)
2267 atomic_dec(&pm8001_dev->running_req);
2268 break;
2269 case IO_XFER_ERROR_BREAK:
2270 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2271 ts->resp = SAS_TASK_COMPLETE;
2272 ts->stat = SAS_INTERRUPTED;
2273 if (pm8001_dev)
2274 atomic_dec(&pm8001_dev->running_req);
2275 break;
2276 case IO_XFER_ERROR_PHY_NOT_READY:
2277 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2278 ts->resp = SAS_TASK_COMPLETE;
2279 ts->stat = SAS_OPEN_REJECT;
2280 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2281 if (pm8001_dev)
2282 atomic_dec(&pm8001_dev->running_req);
2283 break;
2284 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2285 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2286 ts->resp = SAS_TASK_COMPLETE;
2287 ts->stat = SAS_OPEN_REJECT;
2288 ts->open_rej_reason = SAS_OREJ_EPROTO;
2289 if (pm8001_dev)
2290 atomic_dec(&pm8001_dev->running_req);
2291 break;
2292 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2293 pm8001_dbg(pm8001_ha, IO,
2294 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2295 ts->resp = SAS_TASK_COMPLETE;
2296 ts->stat = SAS_OPEN_REJECT;
2297 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2298 if (pm8001_dev)
2299 atomic_dec(&pm8001_dev->running_req);
2300 break;
2301 case IO_OPEN_CNX_ERROR_BREAK:
2302 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2303 ts->resp = SAS_TASK_COMPLETE;
2304 ts->stat = SAS_OPEN_REJECT;
2305 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2306 if (pm8001_dev)
2307 atomic_dec(&pm8001_dev->running_req);
2308 break;
2309 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2310 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2311 ts->resp = SAS_TASK_COMPLETE;
2312 ts->stat = SAS_DEV_NO_RESPONSE;
2313 if (!t->uldd_task) {
2314 pm8001_handle_event(pm8001_ha,
2315 pm8001_dev,
2316 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2317 ts->resp = SAS_TASK_UNDELIVERED;
2318 ts->stat = SAS_QUEUE_FULL;
2319 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2320 return;
2321 }
2322 break;
2323 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2324 pm8001_dbg(pm8001_ha, IO,
2325 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2326 ts->resp = SAS_TASK_UNDELIVERED;
2327 ts->stat = SAS_OPEN_REJECT;
2328 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2329 if (!t->uldd_task) {
2330 pm8001_handle_event(pm8001_ha,
2331 pm8001_dev,
2332 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2333 ts->resp = SAS_TASK_UNDELIVERED;
2334 ts->stat = SAS_QUEUE_FULL;
2335 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2336 return;
2337 }
2338 break;
2339 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2340 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2341 ts->resp = SAS_TASK_COMPLETE;
2342 ts->stat = SAS_OPEN_REJECT;
2343 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2344 if (pm8001_dev)
2345 atomic_dec(&pm8001_dev->running_req);
2346 break;
2347 case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2348 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2349 ts->resp = SAS_TASK_COMPLETE;
2350 ts->stat = SAS_DEV_NO_RESPONSE;
2351 if (!t->uldd_task) {
2352 pm8001_handle_event(pm8001_ha,
2353 pm8001_dev,
2354 IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2355 ts->resp = SAS_TASK_UNDELIVERED;
2356 ts->stat = SAS_QUEUE_FULL;
2357 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2358 return;
2359 }
2360 break;
2361 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2362 pm8001_dbg(pm8001_ha, IO,
2363 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2364 ts->resp = SAS_TASK_COMPLETE;
2365 ts->stat = SAS_OPEN_REJECT;
2366 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2367 if (pm8001_dev)
2368 atomic_dec(&pm8001_dev->running_req);
2369 break;
2370 case IO_XFER_ERROR_NAK_RECEIVED:
2371 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2372 ts->resp = SAS_TASK_COMPLETE;
2373 ts->stat = SAS_NAK_R_ERR;
2374 if (pm8001_dev)
2375 atomic_dec(&pm8001_dev->running_req);
2376 break;
2377 case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2378 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2379 ts->resp = SAS_TASK_COMPLETE;
2380 ts->stat = SAS_NAK_R_ERR;
2381 if (pm8001_dev)
2382 atomic_dec(&pm8001_dev->running_req);
2383 break;
2384 case IO_XFER_ERROR_DMA:
2385 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2386 ts->resp = SAS_TASK_COMPLETE;
2387 ts->stat = SAS_ABORTED_TASK;
2388 if (pm8001_dev)
2389 atomic_dec(&pm8001_dev->running_req);
2390 break;
2391 case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2392 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2393 ts->resp = SAS_TASK_UNDELIVERED;
2394 ts->stat = SAS_DEV_NO_RESPONSE;
2395 if (pm8001_dev)
2396 atomic_dec(&pm8001_dev->running_req);
2397 break;
2398 case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2399 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2400 ts->resp = SAS_TASK_COMPLETE;
2401 ts->stat = SAS_DATA_UNDERRUN;
2402 if (pm8001_dev)
2403 atomic_dec(&pm8001_dev->running_req);
2404 break;
2405 case IO_XFER_OPEN_RETRY_TIMEOUT:
2406 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2407 ts->resp = SAS_TASK_COMPLETE;
2408 ts->stat = SAS_OPEN_TO;
2409 if (pm8001_dev)
2410 atomic_dec(&pm8001_dev->running_req);
2411 break;
2412 case IO_PORT_IN_RESET:
2413 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2414 ts->resp = SAS_TASK_COMPLETE;
2415 ts->stat = SAS_DEV_NO_RESPONSE;
2416 if (pm8001_dev)
2417 atomic_dec(&pm8001_dev->running_req);
2418 break;
2419 case IO_DS_NON_OPERATIONAL:
2420 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2421 ts->resp = SAS_TASK_COMPLETE;
2422 ts->stat = SAS_DEV_NO_RESPONSE;
2423 if (!t->uldd_task) {
2424 pm8001_handle_event(pm8001_ha, pm8001_dev,
2425 IO_DS_NON_OPERATIONAL);
2426 ts->resp = SAS_TASK_UNDELIVERED;
2427 ts->stat = SAS_QUEUE_FULL;
2428 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2429 return;
2430 }
2431 break;
2432 case IO_DS_IN_RECOVERY:
2433 pm8001_dbg(pm8001_ha, IO, " IO_DS_IN_RECOVERY\n");
2434 ts->resp = SAS_TASK_COMPLETE;
2435 ts->stat = SAS_DEV_NO_RESPONSE;
2436 if (pm8001_dev)
2437 atomic_dec(&pm8001_dev->running_req);
2438 break;
2439 case IO_DS_IN_ERROR:
2440 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2441 ts->resp = SAS_TASK_COMPLETE;
2442 ts->stat = SAS_DEV_NO_RESPONSE;
2443 if (!t->uldd_task) {
2444 pm8001_handle_event(pm8001_ha, pm8001_dev,
2445 IO_DS_IN_ERROR);
2446 ts->resp = SAS_TASK_UNDELIVERED;
2447 ts->stat = SAS_QUEUE_FULL;
2448 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2449 return;
2450 }
2451 break;
2452 case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2453 pm8001_dbg(pm8001_ha, IO,
2454 "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2455 ts->resp = SAS_TASK_COMPLETE;
2456 ts->stat = SAS_OPEN_REJECT;
2457 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2458 if (pm8001_dev)
2459 atomic_dec(&pm8001_dev->running_req);
2460 break;
2461 default:
2462 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2463 /* not allowed case. Therefore, return failed status */
2464 ts->resp = SAS_TASK_COMPLETE;
2465 ts->stat = SAS_DEV_NO_RESPONSE;
2466 if (pm8001_dev)
2467 atomic_dec(&pm8001_dev->running_req);
2468 break;
2469 }
2470 spin_lock_irqsave(&t->task_state_lock, flags);
2471 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2472 t->task_state_flags |= SAS_TASK_STATE_DONE;
2473 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2474 spin_unlock_irqrestore(&t->task_state_lock, flags);
2475 pm8001_dbg(pm8001_ha, FAIL,
2476 "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2477 t, status, ts->resp, ts->stat);
2478 pm8001_ccb_task_free(pm8001_ha, ccb);
2479 } else {
2480 spin_unlock_irqrestore(&t->task_state_lock, flags);
2481 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2482 }
2483 }
2484
2485 /*See the comments for mpi_ssp_completion */
mpi_sata_event(struct pm8001_hba_info * pm8001_ha,void * piomb)2486 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2487 {
2488 struct sas_task *t;
2489 struct task_status_struct *ts;
2490 struct pm8001_ccb_info *ccb;
2491 struct pm8001_device *pm8001_dev;
2492 struct sata_event_resp *psataPayload =
2493 (struct sata_event_resp *)(piomb + 4);
2494 u32 event = le32_to_cpu(psataPayload->event);
2495 u32 tag = le32_to_cpu(psataPayload->tag);
2496 u32 port_id = le32_to_cpu(psataPayload->port_id);
2497 u32 dev_id = le32_to_cpu(psataPayload->device_id);
2498
2499 if (event)
2500 pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2501
2502 /* Check if this is NCQ error */
2503 if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2504 /* find device using device id */
2505 pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2506 if (pm8001_dev)
2507 pm8001_handle_event(pm8001_ha,
2508 pm8001_dev,
2509 IO_XFER_ERROR_ABORTED_NCQ_MODE);
2510 return;
2511 }
2512
2513 ccb = &pm8001_ha->ccb_info[tag];
2514 t = ccb->task;
2515 pm8001_dev = ccb->device;
2516 if (event)
2517 pm8001_dbg(pm8001_ha, FAIL, "sata IO status 0x%x\n", event);
2518
2519 if (unlikely(!t)) {
2520 pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2521 ccb->ccb_tag);
2522 pm8001_ccb_free(pm8001_ha, ccb);
2523 return;
2524 }
2525
2526 if (unlikely(!t->lldd_task || !t->dev))
2527 return;
2528
2529 ts = &t->task_status;
2530 pm8001_dbg(pm8001_ha, DEVIO,
2531 "port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2532 port_id, dev_id, tag, event);
2533 switch (event) {
2534 case IO_OVERFLOW:
2535 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2536 ts->resp = SAS_TASK_COMPLETE;
2537 ts->stat = SAS_DATA_OVERRUN;
2538 ts->residual = 0;
2539 break;
2540 case IO_XFER_ERROR_BREAK:
2541 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2542 ts->resp = SAS_TASK_COMPLETE;
2543 ts->stat = SAS_INTERRUPTED;
2544 break;
2545 case IO_XFER_ERROR_PHY_NOT_READY:
2546 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2547 ts->resp = SAS_TASK_COMPLETE;
2548 ts->stat = SAS_OPEN_REJECT;
2549 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2550 break;
2551 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2552 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2553 ts->resp = SAS_TASK_COMPLETE;
2554 ts->stat = SAS_OPEN_REJECT;
2555 ts->open_rej_reason = SAS_OREJ_EPROTO;
2556 break;
2557 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2558 pm8001_dbg(pm8001_ha, IO,
2559 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2560 ts->resp = SAS_TASK_COMPLETE;
2561 ts->stat = SAS_OPEN_REJECT;
2562 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2563 break;
2564 case IO_OPEN_CNX_ERROR_BREAK:
2565 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2566 ts->resp = SAS_TASK_COMPLETE;
2567 ts->stat = SAS_OPEN_REJECT;
2568 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2569 break;
2570 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2571 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2572 ts->resp = SAS_TASK_UNDELIVERED;
2573 ts->stat = SAS_DEV_NO_RESPONSE;
2574 if (!t->uldd_task) {
2575 pm8001_handle_event(pm8001_ha,
2576 pm8001_dev,
2577 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2578 ts->resp = SAS_TASK_COMPLETE;
2579 ts->stat = SAS_QUEUE_FULL;
2580 return;
2581 }
2582 break;
2583 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2584 pm8001_dbg(pm8001_ha, IO,
2585 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2586 ts->resp = SAS_TASK_UNDELIVERED;
2587 ts->stat = SAS_OPEN_REJECT;
2588 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2589 break;
2590 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2591 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2592 ts->resp = SAS_TASK_COMPLETE;
2593 ts->stat = SAS_OPEN_REJECT;
2594 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2595 break;
2596 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2597 pm8001_dbg(pm8001_ha, IO,
2598 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2599 ts->resp = SAS_TASK_COMPLETE;
2600 ts->stat = SAS_OPEN_REJECT;
2601 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2602 break;
2603 case IO_XFER_ERROR_NAK_RECEIVED:
2604 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2605 ts->resp = SAS_TASK_COMPLETE;
2606 ts->stat = SAS_NAK_R_ERR;
2607 break;
2608 case IO_XFER_ERROR_PEER_ABORTED:
2609 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2610 ts->resp = SAS_TASK_COMPLETE;
2611 ts->stat = SAS_NAK_R_ERR;
2612 break;
2613 case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2614 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2615 ts->resp = SAS_TASK_COMPLETE;
2616 ts->stat = SAS_DATA_UNDERRUN;
2617 break;
2618 case IO_XFER_OPEN_RETRY_TIMEOUT:
2619 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2620 ts->resp = SAS_TASK_COMPLETE;
2621 ts->stat = SAS_OPEN_TO;
2622 break;
2623 case IO_XFER_ERROR_UNEXPECTED_PHASE:
2624 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2625 ts->resp = SAS_TASK_COMPLETE;
2626 ts->stat = SAS_OPEN_TO;
2627 break;
2628 case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2629 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2630 ts->resp = SAS_TASK_COMPLETE;
2631 ts->stat = SAS_OPEN_TO;
2632 break;
2633 case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2634 pm8001_dbg(pm8001_ha, IO,
2635 "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2636 ts->resp = SAS_TASK_COMPLETE;
2637 ts->stat = SAS_OPEN_TO;
2638 break;
2639 case IO_XFER_ERROR_OFFSET_MISMATCH:
2640 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2641 ts->resp = SAS_TASK_COMPLETE;
2642 ts->stat = SAS_OPEN_TO;
2643 break;
2644 case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2645 pm8001_dbg(pm8001_ha, IO,
2646 "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2647 ts->resp = SAS_TASK_COMPLETE;
2648 ts->stat = SAS_OPEN_TO;
2649 break;
2650 case IO_XFER_CMD_FRAME_ISSUED:
2651 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2652 break;
2653 case IO_XFER_PIO_SETUP_ERROR:
2654 pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2655 ts->resp = SAS_TASK_COMPLETE;
2656 ts->stat = SAS_OPEN_TO;
2657 break;
2658 default:
2659 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2660 /* not allowed case. Therefore, return failed status */
2661 ts->resp = SAS_TASK_COMPLETE;
2662 ts->stat = SAS_OPEN_TO;
2663 break;
2664 }
2665 }
2666
2667 /*See the comments for mpi_ssp_completion */
2668 static void
mpi_smp_completion(struct pm8001_hba_info * pm8001_ha,void * piomb)2669 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2670 {
2671 struct sas_task *t;
2672 struct pm8001_ccb_info *ccb;
2673 unsigned long flags;
2674 u32 status;
2675 u32 tag;
2676 struct smp_completion_resp *psmpPayload;
2677 struct task_status_struct *ts;
2678 struct pm8001_device *pm8001_dev;
2679
2680 psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2681 status = le32_to_cpu(psmpPayload->status);
2682 tag = le32_to_cpu(psmpPayload->tag);
2683
2684 ccb = &pm8001_ha->ccb_info[tag];
2685 t = ccb->task;
2686 ts = &t->task_status;
2687 pm8001_dev = ccb->device;
2688 if (status) {
2689 pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2690 pm8001_dbg(pm8001_ha, IOERR,
2691 "status:0x%x, tag:0x%x, task:0x%p\n",
2692 status, tag, t);
2693 }
2694 if (unlikely(!t || !t->lldd_task || !t->dev))
2695 return;
2696
2697 switch (status) {
2698 case IO_SUCCESS:
2699 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2700 ts->resp = SAS_TASK_COMPLETE;
2701 ts->stat = SAS_SAM_STAT_GOOD;
2702 if (pm8001_dev)
2703 atomic_dec(&pm8001_dev->running_req);
2704 break;
2705 case IO_ABORTED:
2706 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
2707 ts->resp = SAS_TASK_COMPLETE;
2708 ts->stat = SAS_ABORTED_TASK;
2709 if (pm8001_dev)
2710 atomic_dec(&pm8001_dev->running_req);
2711 break;
2712 case IO_OVERFLOW:
2713 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2714 ts->resp = SAS_TASK_COMPLETE;
2715 ts->stat = SAS_DATA_OVERRUN;
2716 ts->residual = 0;
2717 if (pm8001_dev)
2718 atomic_dec(&pm8001_dev->running_req);
2719 break;
2720 case IO_NO_DEVICE:
2721 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2722 ts->resp = SAS_TASK_COMPLETE;
2723 ts->stat = SAS_PHY_DOWN;
2724 break;
2725 case IO_ERROR_HW_TIMEOUT:
2726 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
2727 ts->resp = SAS_TASK_COMPLETE;
2728 ts->stat = SAS_SAM_STAT_BUSY;
2729 break;
2730 case IO_XFER_ERROR_BREAK:
2731 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2732 ts->resp = SAS_TASK_COMPLETE;
2733 ts->stat = SAS_SAM_STAT_BUSY;
2734 break;
2735 case IO_XFER_ERROR_PHY_NOT_READY:
2736 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2737 ts->resp = SAS_TASK_COMPLETE;
2738 ts->stat = SAS_SAM_STAT_BUSY;
2739 break;
2740 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2741 pm8001_dbg(pm8001_ha, IO,
2742 "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2743 ts->resp = SAS_TASK_COMPLETE;
2744 ts->stat = SAS_OPEN_REJECT;
2745 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2746 break;
2747 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2748 pm8001_dbg(pm8001_ha, IO,
2749 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2750 ts->resp = SAS_TASK_COMPLETE;
2751 ts->stat = SAS_OPEN_REJECT;
2752 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2753 break;
2754 case IO_OPEN_CNX_ERROR_BREAK:
2755 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2756 ts->resp = SAS_TASK_COMPLETE;
2757 ts->stat = SAS_OPEN_REJECT;
2758 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2759 break;
2760 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2761 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2762 ts->resp = SAS_TASK_COMPLETE;
2763 ts->stat = SAS_OPEN_REJECT;
2764 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2765 pm8001_handle_event(pm8001_ha,
2766 pm8001_dev,
2767 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2768 break;
2769 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2770 pm8001_dbg(pm8001_ha, IO,
2771 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2772 ts->resp = SAS_TASK_COMPLETE;
2773 ts->stat = SAS_OPEN_REJECT;
2774 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2775 break;
2776 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2777 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2778 ts->resp = SAS_TASK_COMPLETE;
2779 ts->stat = SAS_OPEN_REJECT;
2780 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2781 break;
2782 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2783 pm8001_dbg(pm8001_ha, IO,
2784 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2785 ts->resp = SAS_TASK_COMPLETE;
2786 ts->stat = SAS_OPEN_REJECT;
2787 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2788 break;
2789 case IO_XFER_ERROR_RX_FRAME:
2790 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
2791 ts->resp = SAS_TASK_COMPLETE;
2792 ts->stat = SAS_DEV_NO_RESPONSE;
2793 break;
2794 case IO_XFER_OPEN_RETRY_TIMEOUT:
2795 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2796 ts->resp = SAS_TASK_COMPLETE;
2797 ts->stat = SAS_OPEN_REJECT;
2798 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2799 break;
2800 case IO_ERROR_INTERNAL_SMP_RESOURCE:
2801 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
2802 ts->resp = SAS_TASK_COMPLETE;
2803 ts->stat = SAS_QUEUE_FULL;
2804 break;
2805 case IO_PORT_IN_RESET:
2806 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2807 ts->resp = SAS_TASK_COMPLETE;
2808 ts->stat = SAS_OPEN_REJECT;
2809 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2810 break;
2811 case IO_DS_NON_OPERATIONAL:
2812 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2813 ts->resp = SAS_TASK_COMPLETE;
2814 ts->stat = SAS_DEV_NO_RESPONSE;
2815 break;
2816 case IO_DS_IN_RECOVERY:
2817 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2818 ts->resp = SAS_TASK_COMPLETE;
2819 ts->stat = SAS_OPEN_REJECT;
2820 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2821 break;
2822 case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2823 pm8001_dbg(pm8001_ha, IO,
2824 "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2825 ts->resp = SAS_TASK_COMPLETE;
2826 ts->stat = SAS_OPEN_REJECT;
2827 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2828 break;
2829 default:
2830 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2831 ts->resp = SAS_TASK_COMPLETE;
2832 ts->stat = SAS_DEV_NO_RESPONSE;
2833 /* not allowed case. Therefore, return failed status */
2834 break;
2835 }
2836 spin_lock_irqsave(&t->task_state_lock, flags);
2837 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2838 t->task_state_flags |= SAS_TASK_STATE_DONE;
2839 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2840 spin_unlock_irqrestore(&t->task_state_lock, flags);
2841 pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2842 t, status, ts->resp, ts->stat);
2843 pm8001_ccb_task_free(pm8001_ha, ccb);
2844 } else {
2845 spin_unlock_irqrestore(&t->task_state_lock, flags);
2846 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2847 }
2848 }
2849
pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)2850 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
2851 void *piomb)
2852 {
2853 struct set_dev_state_resp *pPayload =
2854 (struct set_dev_state_resp *)(piomb + 4);
2855 u32 tag = le32_to_cpu(pPayload->tag);
2856 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2857 struct pm8001_device *pm8001_dev = ccb->device;
2858 u32 status = le32_to_cpu(pPayload->status);
2859 u32 device_id = le32_to_cpu(pPayload->device_id);
2860 u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
2861 u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
2862
2863 pm8001_dbg(pm8001_ha, MSG,
2864 "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n",
2865 device_id, pds, nds, status);
2866 complete(pm8001_dev->setds_completion);
2867 pm8001_ccb_free(pm8001_ha, ccb);
2868 }
2869
pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)2870 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2871 {
2872 struct get_nvm_data_resp *pPayload =
2873 (struct get_nvm_data_resp *)(piomb + 4);
2874 u32 tag = le32_to_cpu(pPayload->tag);
2875 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2876 u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2877
2878 complete(pm8001_ha->nvmd_completion);
2879 pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n");
2880 if ((dlen_status & NVMD_STAT) != 0) {
2881 pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n",
2882 dlen_status);
2883 }
2884 pm8001_ccb_free(pm8001_ha, ccb);
2885 }
2886
2887 void
pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)2888 pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2889 {
2890 struct fw_control_ex *fw_control_context;
2891 struct get_nvm_data_resp *pPayload =
2892 (struct get_nvm_data_resp *)(piomb + 4);
2893 u32 tag = le32_to_cpu(pPayload->tag);
2894 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2895 u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2896 u32 ir_tds_bn_dps_das_nvm =
2897 le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
2898 void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
2899 fw_control_context = ccb->fw_control_context;
2900
2901 pm8001_dbg(pm8001_ha, MSG, "Get nvm data complete!\n");
2902 if ((dlen_status & NVMD_STAT) != 0) {
2903 pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error %x\n",
2904 dlen_status);
2905 complete(pm8001_ha->nvmd_completion);
2906 /* We should free tag during failure also, the tag is not being
2907 * freed by requesting path anywhere.
2908 */
2909 pm8001_ccb_free(pm8001_ha, ccb);
2910 return;
2911 }
2912 if (ir_tds_bn_dps_das_nvm & IPMode) {
2913 /* indirect mode - IR bit set */
2914 pm8001_dbg(pm8001_ha, MSG, "Get NVMD success, IR=1\n");
2915 if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
2916 if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
2917 memcpy(pm8001_ha->sas_addr,
2918 ((u8 *)virt_addr + 4),
2919 SAS_ADDR_SIZE);
2920 pm8001_dbg(pm8001_ha, MSG, "Get SAS address from VPD successfully!\n");
2921 }
2922 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
2923 || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
2924 ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
2925 ;
2926 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
2927 || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
2928 ;
2929 } else {
2930 /* Should not be happened*/
2931 pm8001_dbg(pm8001_ha, MSG,
2932 "(IR=1)Wrong Device type 0x%x\n",
2933 ir_tds_bn_dps_das_nvm);
2934 }
2935 } else /* direct mode */{
2936 pm8001_dbg(pm8001_ha, MSG,
2937 "Get NVMD success, IR=0, dataLen=%d\n",
2938 (dlen_status & NVMD_LEN) >> 24);
2939 }
2940 /* Though fw_control_context is freed below, usrAddr still needs
2941 * to be updated as this holds the response to the request function
2942 */
2943 memcpy(fw_control_context->usrAddr,
2944 pm8001_ha->memoryMap.region[NVMD].virt_ptr,
2945 fw_control_context->len);
2946 kfree(ccb->fw_control_context);
2947 /* To avoid race condition, complete should be
2948 * called after the message is copied to
2949 * fw_control_context->usrAddr
2950 */
2951 complete(pm8001_ha->nvmd_completion);
2952 pm8001_dbg(pm8001_ha, MSG, "Get nvmd data complete!\n");
2953 pm8001_ccb_free(pm8001_ha, ccb);
2954 }
2955
pm8001_mpi_local_phy_ctl(struct pm8001_hba_info * pm8001_ha,void * piomb)2956 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
2957 {
2958 u32 tag;
2959 struct local_phy_ctl_resp *pPayload =
2960 (struct local_phy_ctl_resp *)(piomb + 4);
2961 u32 status = le32_to_cpu(pPayload->status);
2962 u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
2963 u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
2964 tag = le32_to_cpu(pPayload->tag);
2965 if (status != 0) {
2966 pm8001_dbg(pm8001_ha, MSG,
2967 "%x phy execute %x phy op failed!\n",
2968 phy_id, phy_op);
2969 } else {
2970 pm8001_dbg(pm8001_ha, MSG,
2971 "%x phy execute %x phy op success!\n",
2972 phy_id, phy_op);
2973 pm8001_ha->phy[phy_id].reset_success = true;
2974 }
2975 if (pm8001_ha->phy[phy_id].enable_completion) {
2976 complete(pm8001_ha->phy[phy_id].enable_completion);
2977 pm8001_ha->phy[phy_id].enable_completion = NULL;
2978 }
2979 pm8001_tag_free(pm8001_ha, tag);
2980 return 0;
2981 }
2982
2983 /**
2984 * pm8001_bytes_dmaed - one of the interface function communication with libsas
2985 * @pm8001_ha: our hba card information
2986 * @i: which phy that received the event.
2987 *
2988 * when HBA driver received the identify done event or initiate FIS received
2989 * event(for SATA), it will invoke this function to notify the sas layer that
2990 * the sas toplogy has formed, please discover the whole sas domain,
2991 * while receive a broadcast(change) primitive just tell the sas
2992 * layer to discover the changed domain rather than the whole domain.
2993 */
pm8001_bytes_dmaed(struct pm8001_hba_info * pm8001_ha,int i)2994 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
2995 {
2996 struct pm8001_phy *phy = &pm8001_ha->phy[i];
2997 struct asd_sas_phy *sas_phy = &phy->sas_phy;
2998 if (!phy->phy_attached)
2999 return;
3000
3001 if (phy->phy_type & PORT_TYPE_SAS) {
3002 struct sas_identify_frame *id;
3003 id = (struct sas_identify_frame *)phy->frame_rcvd;
3004 id->dev_type = phy->identify.device_type;
3005 id->initiator_bits = SAS_PROTOCOL_ALL;
3006 id->target_bits = phy->identify.target_port_protocols;
3007 } else if (phy->phy_type & PORT_TYPE_SATA) {
3008 /*Nothing*/
3009 }
3010 pm8001_dbg(pm8001_ha, MSG, "phy %d byte dmaded.\n", i);
3011
3012 sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3013 sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
3014 }
3015
3016 /* Get the link rate speed */
pm8001_get_lrate_mode(struct pm8001_phy * phy,u8 link_rate)3017 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3018 {
3019 struct sas_phy *sas_phy = phy->sas_phy.phy;
3020
3021 switch (link_rate) {
3022 case PHY_SPEED_120:
3023 phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
3024 break;
3025 case PHY_SPEED_60:
3026 phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
3027 break;
3028 case PHY_SPEED_30:
3029 phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3030 break;
3031 case PHY_SPEED_15:
3032 phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3033 break;
3034 }
3035 sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3036 sas_phy->maximum_linkrate_hw = phy->maximum_linkrate;
3037 sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3038 sas_phy->maximum_linkrate = phy->maximum_linkrate;
3039 sas_phy->minimum_linkrate = phy->minimum_linkrate;
3040 }
3041
3042 /**
3043 * pm8001_get_attached_sas_addr - extract/generate attached SAS address
3044 * @phy: pointer to asd_phy
3045 * @sas_addr: pointer to buffer where the SAS address is to be written
3046 *
3047 * This function extracts the SAS address from an IDENTIFY frame
3048 * received. If OOB is SATA, then a SAS address is generated from the
3049 * HA tables.
3050 *
3051 * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3052 * buffer.
3053 */
pm8001_get_attached_sas_addr(struct pm8001_phy * phy,u8 * sas_addr)3054 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3055 u8 *sas_addr)
3056 {
3057 if (phy->sas_phy.frame_rcvd[0] == 0x34
3058 && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3059 struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3060 /* FIS device-to-host */
3061 u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3062 addr += phy->sas_phy.id;
3063 *(__be64 *)sas_addr = cpu_to_be64(addr);
3064 } else {
3065 struct sas_identify_frame *idframe =
3066 (void *) phy->sas_phy.frame_rcvd;
3067 memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3068 }
3069 }
3070
3071 /**
3072 * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3073 * @pm8001_ha: our hba card information
3074 * @Qnum: the outbound queue message number.
3075 * @SEA: source of event to ack
3076 * @port_id: port id.
3077 * @phyId: phy id.
3078 * @param0: parameter 0.
3079 * @param1: parameter 1.
3080 */
pm8001_hw_event_ack_req(struct pm8001_hba_info * pm8001_ha,u32 Qnum,u32 SEA,u32 port_id,u32 phyId,u32 param0,u32 param1)3081 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3082 u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3083 {
3084 struct hw_event_ack_req payload;
3085 u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3086
3087 memset((u8 *)&payload, 0, sizeof(payload));
3088 payload.tag = cpu_to_le32(1);
3089 payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3090 ((phyId & 0x0F) << 4) | (port_id & 0x0F));
3091 payload.param0 = cpu_to_le32(param0);
3092 payload.param1 = cpu_to_le32(param1);
3093
3094 pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload, sizeof(payload), 0);
3095 }
3096
3097 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3098 u32 phyId, u32 phy_op);
3099
3100 /**
3101 * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3102 * @pm8001_ha: our hba card information
3103 * @piomb: IO message buffer
3104 */
3105 static void
hw_event_sas_phy_up(struct pm8001_hba_info * pm8001_ha,void * piomb)3106 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3107 {
3108 struct hw_event_resp *pPayload =
3109 (struct hw_event_resp *)(piomb + 4);
3110 u32 lr_evt_status_phyid_portid =
3111 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3112 u8 link_rate =
3113 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3114 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3115 u8 phy_id =
3116 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3117 u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3118 u8 portstate = (u8)(npip_portstate & 0x0000000F);
3119 struct pm8001_port *port = &pm8001_ha->port[port_id];
3120 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3121 unsigned long flags;
3122 u8 deviceType = pPayload->sas_identify.dev_type;
3123 phy->port = port;
3124 port->port_id = port_id;
3125 port->port_state = portstate;
3126 phy->phy_state = PHY_STATE_LINK_UP_SPC;
3127 pm8001_dbg(pm8001_ha, MSG,
3128 "HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3129 port_id, phy_id);
3130
3131 switch (deviceType) {
3132 case SAS_PHY_UNUSED:
3133 pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3134 break;
3135 case SAS_END_DEVICE:
3136 pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3137 pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3138 PHY_NOTIFY_ENABLE_SPINUP);
3139 port->port_attached = 1;
3140 pm8001_get_lrate_mode(phy, link_rate);
3141 break;
3142 case SAS_EDGE_EXPANDER_DEVICE:
3143 pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3144 port->port_attached = 1;
3145 pm8001_get_lrate_mode(phy, link_rate);
3146 break;
3147 case SAS_FANOUT_EXPANDER_DEVICE:
3148 pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3149 port->port_attached = 1;
3150 pm8001_get_lrate_mode(phy, link_rate);
3151 break;
3152 default:
3153 pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3154 deviceType);
3155 break;
3156 }
3157 phy->phy_type |= PORT_TYPE_SAS;
3158 phy->identify.device_type = deviceType;
3159 phy->phy_attached = 1;
3160 if (phy->identify.device_type == SAS_END_DEVICE)
3161 phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3162 else if (phy->identify.device_type != SAS_PHY_UNUSED)
3163 phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3164 phy->sas_phy.oob_mode = SAS_OOB_MODE;
3165 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3166 spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3167 memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3168 sizeof(struct sas_identify_frame)-4);
3169 phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3170 pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3171 spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3172 if (pm8001_ha->flags == PM8001F_RUN_TIME)
3173 mdelay(200);/*delay a moment to wait disk to spinup*/
3174 pm8001_bytes_dmaed(pm8001_ha, phy_id);
3175 }
3176
3177 /**
3178 * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3179 * @pm8001_ha: our hba card information
3180 * @piomb: IO message buffer
3181 */
3182 static void
hw_event_sata_phy_up(struct pm8001_hba_info * pm8001_ha,void * piomb)3183 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3184 {
3185 struct hw_event_resp *pPayload =
3186 (struct hw_event_resp *)(piomb + 4);
3187 u32 lr_evt_status_phyid_portid =
3188 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3189 u8 link_rate =
3190 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3191 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3192 u8 phy_id =
3193 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3194 u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3195 u8 portstate = (u8)(npip_portstate & 0x0000000F);
3196 struct pm8001_port *port = &pm8001_ha->port[port_id];
3197 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3198 unsigned long flags;
3199 pm8001_dbg(pm8001_ha, DEVIO, "HW_EVENT_SATA_PHY_UP port id = %d, phy id = %d\n",
3200 port_id, phy_id);
3201 phy->port = port;
3202 port->port_id = port_id;
3203 port->port_state = portstate;
3204 phy->phy_state = PHY_STATE_LINK_UP_SPC;
3205 port->port_attached = 1;
3206 pm8001_get_lrate_mode(phy, link_rate);
3207 phy->phy_type |= PORT_TYPE_SATA;
3208 phy->phy_attached = 1;
3209 phy->sas_phy.oob_mode = SATA_OOB_MODE;
3210 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3211 spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3212 memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3213 sizeof(struct dev_to_host_fis));
3214 phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3215 phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3216 phy->identify.device_type = SAS_SATA_DEV;
3217 pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3218 spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3219 pm8001_bytes_dmaed(pm8001_ha, phy_id);
3220 }
3221
3222 /**
3223 * hw_event_phy_down -we should notify the libsas the phy is down.
3224 * @pm8001_ha: our hba card information
3225 * @piomb: IO message buffer
3226 */
3227 static void
hw_event_phy_down(struct pm8001_hba_info * pm8001_ha,void * piomb)3228 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3229 {
3230 struct hw_event_resp *pPayload =
3231 (struct hw_event_resp *)(piomb + 4);
3232 u32 lr_evt_status_phyid_portid =
3233 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3234 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3235 u8 phy_id =
3236 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3237 u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3238 u8 portstate = (u8)(npip_portstate & 0x0000000F);
3239 struct pm8001_port *port = &pm8001_ha->port[port_id];
3240 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3241 port->port_state = portstate;
3242 phy->phy_type = 0;
3243 phy->identify.device_type = 0;
3244 phy->phy_attached = 0;
3245 memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3246 switch (portstate) {
3247 case PORT_VALID:
3248 break;
3249 case PORT_INVALID:
3250 pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3251 port_id);
3252 pm8001_dbg(pm8001_ha, MSG,
3253 " Last phy Down and port invalid\n");
3254 port->port_attached = 0;
3255 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3256 port_id, phy_id, 0, 0);
3257 break;
3258 case PORT_IN_RESET:
3259 pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3260 port_id);
3261 break;
3262 case PORT_NOT_ESTABLISHED:
3263 pm8001_dbg(pm8001_ha, MSG,
3264 " phy Down and PORT_NOT_ESTABLISHED\n");
3265 port->port_attached = 0;
3266 break;
3267 case PORT_LOSTCOMM:
3268 pm8001_dbg(pm8001_ha, MSG, " phy Down and PORT_LOSTCOMM\n");
3269 pm8001_dbg(pm8001_ha, MSG,
3270 " Last phy Down and port invalid\n");
3271 port->port_attached = 0;
3272 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3273 port_id, phy_id, 0, 0);
3274 break;
3275 default:
3276 port->port_attached = 0;
3277 pm8001_dbg(pm8001_ha, DEVIO, " phy Down and(default) = %x\n",
3278 portstate);
3279 break;
3280
3281 }
3282 }
3283
3284 /**
3285 * pm8001_mpi_reg_resp -process register device ID response.
3286 * @pm8001_ha: our hba card information
3287 * @piomb: IO message buffer
3288 *
3289 * when sas layer find a device it will notify LLDD, then the driver register
3290 * the domain device to FW, this event is the return device ID which the FW
3291 * has assigned, from now, inter-communication with FW is no longer using the
3292 * SAS address, use device ID which FW assigned.
3293 */
pm8001_mpi_reg_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3294 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3295 {
3296 u32 status;
3297 u32 device_id;
3298 u32 htag;
3299 struct pm8001_ccb_info *ccb;
3300 struct pm8001_device *pm8001_dev;
3301 struct dev_reg_resp *registerRespPayload =
3302 (struct dev_reg_resp *)(piomb + 4);
3303
3304 htag = le32_to_cpu(registerRespPayload->tag);
3305 ccb = &pm8001_ha->ccb_info[htag];
3306 pm8001_dev = ccb->device;
3307 status = le32_to_cpu(registerRespPayload->status);
3308 device_id = le32_to_cpu(registerRespPayload->device_id);
3309 pm8001_dbg(pm8001_ha, INIT,
3310 "register device status %d phy_id 0x%x device_id %d\n",
3311 status, pm8001_dev->attached_phy, device_id);
3312 switch (status) {
3313 case DEVREG_SUCCESS:
3314 pm8001_dbg(pm8001_ha, MSG, "DEVREG_SUCCESS\n");
3315 pm8001_dev->device_id = device_id;
3316 break;
3317 case DEVREG_FAILURE_OUT_OF_RESOURCE:
3318 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_OUT_OF_RESOURCE\n");
3319 break;
3320 case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3321 pm8001_dbg(pm8001_ha, MSG,
3322 "DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n");
3323 break;
3324 case DEVREG_FAILURE_INVALID_PHY_ID:
3325 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_INVALID_PHY_ID\n");
3326 break;
3327 case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3328 pm8001_dbg(pm8001_ha, MSG,
3329 "DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n");
3330 break;
3331 case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3332 pm8001_dbg(pm8001_ha, MSG,
3333 "DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n");
3334 break;
3335 case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3336 pm8001_dbg(pm8001_ha, MSG,
3337 "DEVREG_FAILURE_PORT_NOT_VALID_STATE\n");
3338 break;
3339 case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3340 pm8001_dbg(pm8001_ha, MSG,
3341 "DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n");
3342 break;
3343 default:
3344 pm8001_dbg(pm8001_ha, MSG,
3345 "DEVREG_FAILURE_DEVICE_TYPE_NOT_SUPPORTED\n");
3346 break;
3347 }
3348 complete(pm8001_dev->dcompletion);
3349 pm8001_ccb_free(pm8001_ha, ccb);
3350 return 0;
3351 }
3352
pm8001_mpi_dereg_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3353 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3354 {
3355 u32 status;
3356 u32 device_id;
3357 struct dev_reg_resp *registerRespPayload =
3358 (struct dev_reg_resp *)(piomb + 4);
3359
3360 status = le32_to_cpu(registerRespPayload->status);
3361 device_id = le32_to_cpu(registerRespPayload->device_id);
3362 if (status != 0)
3363 pm8001_dbg(pm8001_ha, MSG,
3364 " deregister device failed ,status = %x, device_id = %x\n",
3365 status, device_id);
3366 return 0;
3367 }
3368
3369 /**
3370 * pm8001_mpi_fw_flash_update_resp - Response from FW for flash update command.
3371 * @pm8001_ha: our hba card information
3372 * @piomb: IO message buffer
3373 */
pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3374 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3375 void *piomb)
3376 {
3377 u32 status;
3378 struct fw_flash_Update_resp *ppayload =
3379 (struct fw_flash_Update_resp *)(piomb + 4);
3380 u32 tag = le32_to_cpu(ppayload->tag);
3381 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3382
3383 status = le32_to_cpu(ppayload->status);
3384 switch (status) {
3385 case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3386 pm8001_dbg(pm8001_ha, MSG,
3387 ": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n");
3388 break;
3389 case FLASH_UPDATE_IN_PROGRESS:
3390 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_IN_PROGRESS\n");
3391 break;
3392 case FLASH_UPDATE_HDR_ERR:
3393 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HDR_ERR\n");
3394 break;
3395 case FLASH_UPDATE_OFFSET_ERR:
3396 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_OFFSET_ERR\n");
3397 break;
3398 case FLASH_UPDATE_CRC_ERR:
3399 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_CRC_ERR\n");
3400 break;
3401 case FLASH_UPDATE_LENGTH_ERR:
3402 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_LENGTH_ERR\n");
3403 break;
3404 case FLASH_UPDATE_HW_ERR:
3405 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HW_ERR\n");
3406 break;
3407 case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3408 pm8001_dbg(pm8001_ha, MSG,
3409 ": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n");
3410 break;
3411 case FLASH_UPDATE_DISABLED:
3412 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_DISABLED\n");
3413 break;
3414 default:
3415 pm8001_dbg(pm8001_ha, DEVIO, "No matched status = %d\n",
3416 status);
3417 break;
3418 }
3419 kfree(ccb->fw_control_context);
3420 pm8001_ccb_free(pm8001_ha, ccb);
3421 complete(pm8001_ha->nvmd_completion);
3422 return 0;
3423 }
3424
pm8001_mpi_general_event(struct pm8001_hba_info * pm8001_ha,void * piomb)3425 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3426 {
3427 u32 status;
3428 int i;
3429 struct general_event_resp *pPayload =
3430 (struct general_event_resp *)(piomb + 4);
3431 status = le32_to_cpu(pPayload->status);
3432 pm8001_dbg(pm8001_ha, MSG, " status = 0x%x\n", status);
3433 for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3434 pm8001_dbg(pm8001_ha, MSG, "inb_IOMB_payload[0x%x] 0x%x,\n",
3435 i,
3436 pPayload->inb_IOMB_payload[i]);
3437 return 0;
3438 }
3439
pm8001_mpi_task_abort_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3440 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3441 {
3442 struct sas_task *t;
3443 struct pm8001_ccb_info *ccb;
3444 unsigned long flags;
3445 u32 status ;
3446 u32 tag, scp;
3447 struct task_status_struct *ts;
3448 struct pm8001_device *pm8001_dev;
3449
3450 struct task_abort_resp *pPayload =
3451 (struct task_abort_resp *)(piomb + 4);
3452
3453 status = le32_to_cpu(pPayload->status);
3454 tag = le32_to_cpu(pPayload->tag);
3455
3456 scp = le32_to_cpu(pPayload->scp);
3457 ccb = &pm8001_ha->ccb_info[tag];
3458 t = ccb->task;
3459 pm8001_dev = ccb->device; /* retrieve device */
3460
3461 if (!t) {
3462 pm8001_dbg(pm8001_ha, FAIL, " TASK NULL. RETURNING !!!\n");
3463 return -1;
3464 }
3465
3466 if (t->task_proto == SAS_PROTOCOL_INTERNAL_ABORT)
3467 atomic_dec(&pm8001_dev->running_req);
3468
3469 ts = &t->task_status;
3470 if (status != 0)
3471 pm8001_dbg(pm8001_ha, FAIL, "task abort failed status 0x%x ,tag = 0x%x, scp= 0x%x\n",
3472 status, tag, scp);
3473 switch (status) {
3474 case IO_SUCCESS:
3475 pm8001_dbg(pm8001_ha, EH, "IO_SUCCESS\n");
3476 ts->resp = SAS_TASK_COMPLETE;
3477 ts->stat = SAS_SAM_STAT_GOOD;
3478 break;
3479 case IO_NOT_VALID:
3480 pm8001_dbg(pm8001_ha, EH, "IO_NOT_VALID\n");
3481 ts->resp = TMF_RESP_FUNC_FAILED;
3482 break;
3483 }
3484 spin_lock_irqsave(&t->task_state_lock, flags);
3485 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3486 t->task_state_flags |= SAS_TASK_STATE_DONE;
3487 spin_unlock_irqrestore(&t->task_state_lock, flags);
3488 pm8001_ccb_task_free(pm8001_ha, ccb);
3489 mb();
3490
3491 t->task_done(t);
3492
3493 return 0;
3494 }
3495
3496 /**
3497 * mpi_hw_event -The hw event has come.
3498 * @pm8001_ha: our hba card information
3499 * @piomb: IO message buffer
3500 */
mpi_hw_event(struct pm8001_hba_info * pm8001_ha,void * piomb)3501 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3502 {
3503 unsigned long flags;
3504 struct hw_event_resp *pPayload =
3505 (struct hw_event_resp *)(piomb + 4);
3506 u32 lr_evt_status_phyid_portid =
3507 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3508 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3509 u8 phy_id =
3510 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3511 u16 eventType =
3512 (u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3513 u8 status =
3514 (u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3515 struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3516 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3517 struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3518 pm8001_dbg(pm8001_ha, DEVIO,
3519 "SPC HW event for portid:%d, phyid:%d, event:%x, status:%x\n",
3520 port_id, phy_id, eventType, status);
3521 switch (eventType) {
3522 case HW_EVENT_PHY_START_STATUS:
3523 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS status = %x\n",
3524 status);
3525 if (status == 0)
3526 phy->phy_state = 1;
3527
3528 if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3529 phy->enable_completion != NULL) {
3530 complete(phy->enable_completion);
3531 phy->enable_completion = NULL;
3532 }
3533 break;
3534 case HW_EVENT_SAS_PHY_UP:
3535 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3536 hw_event_sas_phy_up(pm8001_ha, piomb);
3537 break;
3538 case HW_EVENT_SATA_PHY_UP:
3539 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3540 hw_event_sata_phy_up(pm8001_ha, piomb);
3541 break;
3542 case HW_EVENT_PHY_STOP_STATUS:
3543 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_STOP_STATUS status = %x\n",
3544 status);
3545 if (status == 0)
3546 phy->phy_state = 0;
3547 break;
3548 case HW_EVENT_SATA_SPINUP_HOLD:
3549 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3550 sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3551 GFP_ATOMIC);
3552 break;
3553 case HW_EVENT_PHY_DOWN:
3554 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3555 sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3556 GFP_ATOMIC);
3557 phy->phy_attached = 0;
3558 phy->phy_state = 0;
3559 hw_event_phy_down(pm8001_ha, piomb);
3560 break;
3561 case HW_EVENT_PORT_INVALID:
3562 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3563 sas_phy_disconnected(sas_phy);
3564 phy->phy_attached = 0;
3565 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3566 GFP_ATOMIC);
3567 break;
3568 /* the broadcast change primitive received, tell the LIBSAS this event
3569 to revalidate the sas domain*/
3570 case HW_EVENT_BROADCAST_CHANGE:
3571 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3572 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3573 port_id, phy_id, 1, 0);
3574 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3575 sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3576 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3577 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3578 GFP_ATOMIC);
3579 break;
3580 case HW_EVENT_PHY_ERROR:
3581 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3582 sas_phy_disconnected(&phy->sas_phy);
3583 phy->phy_attached = 0;
3584 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3585 break;
3586 case HW_EVENT_BROADCAST_EXP:
3587 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3588 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3589 sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3590 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3591 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3592 GFP_ATOMIC);
3593 break;
3594 case HW_EVENT_LINK_ERR_INVALID_DWORD:
3595 pm8001_dbg(pm8001_ha, MSG,
3596 "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3597 pm8001_hw_event_ack_req(pm8001_ha, 0,
3598 HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3599 sas_phy_disconnected(sas_phy);
3600 phy->phy_attached = 0;
3601 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3602 GFP_ATOMIC);
3603 break;
3604 case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3605 pm8001_dbg(pm8001_ha, MSG,
3606 "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3607 pm8001_hw_event_ack_req(pm8001_ha, 0,
3608 HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3609 port_id, phy_id, 0, 0);
3610 sas_phy_disconnected(sas_phy);
3611 phy->phy_attached = 0;
3612 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3613 GFP_ATOMIC);
3614 break;
3615 case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3616 pm8001_dbg(pm8001_ha, MSG,
3617 "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3618 pm8001_hw_event_ack_req(pm8001_ha, 0,
3619 HW_EVENT_LINK_ERR_CODE_VIOLATION,
3620 port_id, phy_id, 0, 0);
3621 sas_phy_disconnected(sas_phy);
3622 phy->phy_attached = 0;
3623 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3624 GFP_ATOMIC);
3625 break;
3626 case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3627 pm8001_dbg(pm8001_ha, MSG,
3628 "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3629 pm8001_hw_event_ack_req(pm8001_ha, 0,
3630 HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3631 port_id, phy_id, 0, 0);
3632 sas_phy_disconnected(sas_phy);
3633 phy->phy_attached = 0;
3634 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3635 GFP_ATOMIC);
3636 break;
3637 case HW_EVENT_MALFUNCTION:
3638 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3639 break;
3640 case HW_EVENT_BROADCAST_SES:
3641 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3642 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3643 sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3644 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3645 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3646 GFP_ATOMIC);
3647 break;
3648 case HW_EVENT_INBOUND_CRC_ERROR:
3649 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3650 pm8001_hw_event_ack_req(pm8001_ha, 0,
3651 HW_EVENT_INBOUND_CRC_ERROR,
3652 port_id, phy_id, 0, 0);
3653 break;
3654 case HW_EVENT_HARD_RESET_RECEIVED:
3655 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3656 sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3657 break;
3658 case HW_EVENT_ID_FRAME_TIMEOUT:
3659 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3660 sas_phy_disconnected(sas_phy);
3661 phy->phy_attached = 0;
3662 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3663 GFP_ATOMIC);
3664 break;
3665 case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3666 pm8001_dbg(pm8001_ha, MSG,
3667 "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3668 pm8001_hw_event_ack_req(pm8001_ha, 0,
3669 HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3670 port_id, phy_id, 0, 0);
3671 sas_phy_disconnected(sas_phy);
3672 phy->phy_attached = 0;
3673 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3674 GFP_ATOMIC);
3675 break;
3676 case HW_EVENT_PORT_RESET_TIMER_TMO:
3677 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3678 sas_phy_disconnected(sas_phy);
3679 phy->phy_attached = 0;
3680 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3681 GFP_ATOMIC);
3682 break;
3683 case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3684 pm8001_dbg(pm8001_ha, MSG,
3685 "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3686 sas_phy_disconnected(sas_phy);
3687 phy->phy_attached = 0;
3688 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3689 GFP_ATOMIC);
3690 break;
3691 case HW_EVENT_PORT_RECOVER:
3692 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3693 break;
3694 case HW_EVENT_PORT_RESET_COMPLETE:
3695 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3696 break;
3697 case EVENT_BROADCAST_ASYNCH_EVENT:
3698 pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3699 break;
3700 default:
3701 pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type = %x\n",
3702 eventType);
3703 break;
3704 }
3705 return 0;
3706 }
3707
3708 /**
3709 * process_one_iomb - process one outbound Queue memory block
3710 * @pm8001_ha: our hba card information
3711 * @piomb: IO message buffer
3712 */
process_one_iomb(struct pm8001_hba_info * pm8001_ha,void * piomb)3713 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3714 {
3715 __le32 pHeader = *(__le32 *)piomb;
3716 u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3717
3718 pm8001_dbg(pm8001_ha, MSG, "process_one_iomb:\n");
3719
3720 switch (opc) {
3721 case OPC_OUB_ECHO:
3722 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3723 break;
3724 case OPC_OUB_HW_EVENT:
3725 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3726 mpi_hw_event(pm8001_ha, piomb);
3727 break;
3728 case OPC_OUB_SSP_COMP:
3729 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3730 mpi_ssp_completion(pm8001_ha, piomb);
3731 break;
3732 case OPC_OUB_SMP_COMP:
3733 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3734 mpi_smp_completion(pm8001_ha, piomb);
3735 break;
3736 case OPC_OUB_LOCAL_PHY_CNTRL:
3737 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3738 pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3739 break;
3740 case OPC_OUB_DEV_REGIST:
3741 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3742 pm8001_mpi_reg_resp(pm8001_ha, piomb);
3743 break;
3744 case OPC_OUB_DEREG_DEV:
3745 pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3746 pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3747 break;
3748 case OPC_OUB_GET_DEV_HANDLE:
3749 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3750 break;
3751 case OPC_OUB_SATA_COMP:
3752 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3753 mpi_sata_completion(pm8001_ha, piomb);
3754 break;
3755 case OPC_OUB_SATA_EVENT:
3756 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3757 mpi_sata_event(pm8001_ha, piomb);
3758 break;
3759 case OPC_OUB_SSP_EVENT:
3760 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3761 mpi_ssp_event(pm8001_ha, piomb);
3762 break;
3763 case OPC_OUB_DEV_HANDLE_ARRIV:
3764 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3765 /*This is for target*/
3766 break;
3767 case OPC_OUB_SSP_RECV_EVENT:
3768 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3769 /*This is for target*/
3770 break;
3771 case OPC_OUB_DEV_INFO:
3772 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_INFO\n");
3773 break;
3774 case OPC_OUB_FW_FLASH_UPDATE:
3775 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3776 pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3777 break;
3778 case OPC_OUB_GPIO_RESPONSE:
3779 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3780 break;
3781 case OPC_OUB_GPIO_EVENT:
3782 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3783 break;
3784 case OPC_OUB_GENERAL_EVENT:
3785 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3786 pm8001_mpi_general_event(pm8001_ha, piomb);
3787 break;
3788 case OPC_OUB_SSP_ABORT_RSP:
3789 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3790 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3791 break;
3792 case OPC_OUB_SATA_ABORT_RSP:
3793 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3794 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3795 break;
3796 case OPC_OUB_SAS_DIAG_MODE_START_END:
3797 pm8001_dbg(pm8001_ha, MSG,
3798 "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3799 break;
3800 case OPC_OUB_SAS_DIAG_EXECUTE:
3801 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3802 break;
3803 case OPC_OUB_GET_TIME_STAMP:
3804 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3805 break;
3806 case OPC_OUB_SAS_HW_EVENT_ACK:
3807 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3808 break;
3809 case OPC_OUB_PORT_CONTROL:
3810 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
3811 break;
3812 case OPC_OUB_SMP_ABORT_RSP:
3813 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3814 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3815 break;
3816 case OPC_OUB_GET_NVMD_DATA:
3817 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3818 pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3819 break;
3820 case OPC_OUB_SET_NVMD_DATA:
3821 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3822 pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3823 break;
3824 case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3825 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
3826 break;
3827 case OPC_OUB_SET_DEVICE_STATE:
3828 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
3829 pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3830 break;
3831 case OPC_OUB_GET_DEVICE_STATE:
3832 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
3833 break;
3834 case OPC_OUB_SET_DEV_INFO:
3835 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
3836 break;
3837 case OPC_OUB_SAS_RE_INITIALIZE:
3838 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_RE_INITIALIZE\n");
3839 break;
3840 default:
3841 pm8001_dbg(pm8001_ha, DEVIO,
3842 "Unknown outbound Queue IOMB OPC = %x\n",
3843 opc);
3844 break;
3845 }
3846 }
3847
process_oq(struct pm8001_hba_info * pm8001_ha,u8 vec)3848 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3849 {
3850 struct outbound_queue_table *circularQ;
3851 void *pMsg1 = NULL;
3852 u8 bc;
3853 u32 ret = MPI_IO_STATUS_FAIL;
3854 unsigned long flags;
3855
3856 spin_lock_irqsave(&pm8001_ha->lock, flags);
3857 circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3858 do {
3859 ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3860 if (MPI_IO_STATUS_SUCCESS == ret) {
3861 /* process the outbound message */
3862 process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3863 /* free the message from the outbound circular buffer */
3864 pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3865 circularQ, bc);
3866 }
3867 if (MPI_IO_STATUS_BUSY == ret) {
3868 /* Update the producer index from SPC */
3869 circularQ->producer_index =
3870 cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3871 if (le32_to_cpu(circularQ->producer_index) ==
3872 circularQ->consumer_idx)
3873 /* OQ is empty */
3874 break;
3875 }
3876 } while (1);
3877 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3878 return ret;
3879 }
3880
3881 /* DMA_... to our direction translation. */
3882 static const u8 data_dir_flags[] = {
3883 [DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */
3884 [DMA_TO_DEVICE] = DATA_DIR_OUT, /* OUTBOUND */
3885 [DMA_FROM_DEVICE] = DATA_DIR_IN, /* INBOUND */
3886 [DMA_NONE] = DATA_DIR_NONE, /* NO TRANSFER */
3887 };
3888 void
pm8001_chip_make_sg(struct scatterlist * scatter,int nr,void * prd)3889 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
3890 {
3891 int i;
3892 struct scatterlist *sg;
3893 struct pm8001_prd *buf_prd = prd;
3894
3895 for_each_sg(scatter, sg, nr, i) {
3896 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
3897 buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
3898 buf_prd->im_len.e = 0;
3899 buf_prd++;
3900 }
3901 }
3902
build_smp_cmd(u32 deviceID,__le32 hTag,struct smp_req * psmp_cmd)3903 static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
3904 {
3905 psmp_cmd->tag = hTag;
3906 psmp_cmd->device_id = cpu_to_le32(deviceID);
3907 psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3908 }
3909
3910 /**
3911 * pm8001_chip_smp_req - send a SMP task to FW
3912 * @pm8001_ha: our hba card information.
3913 * @ccb: the ccb information this request used.
3914 */
pm8001_chip_smp_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)3915 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3916 struct pm8001_ccb_info *ccb)
3917 {
3918 int elem, rc;
3919 struct sas_task *task = ccb->task;
3920 struct domain_device *dev = task->dev;
3921 struct pm8001_device *pm8001_dev = dev->lldd_dev;
3922 struct scatterlist *sg_req, *sg_resp;
3923 u32 req_len, resp_len;
3924 struct smp_req smp_cmd;
3925 u32 opc;
3926
3927 memset(&smp_cmd, 0, sizeof(smp_cmd));
3928 /*
3929 * DMA-map SMP request, response buffers
3930 */
3931 sg_req = &task->smp_task.smp_req;
3932 elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
3933 if (!elem)
3934 return -ENOMEM;
3935 req_len = sg_dma_len(sg_req);
3936
3937 sg_resp = &task->smp_task.smp_resp;
3938 elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
3939 if (!elem) {
3940 rc = -ENOMEM;
3941 goto err_out;
3942 }
3943 resp_len = sg_dma_len(sg_resp);
3944 /* must be in dwords */
3945 if ((req_len & 0x3) || (resp_len & 0x3)) {
3946 rc = -EINVAL;
3947 goto err_out_2;
3948 }
3949
3950 opc = OPC_INB_SMP_REQUEST;
3951 smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3952 smp_cmd.long_smp_req.long_req_addr =
3953 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3954 smp_cmd.long_smp_req.long_req_size =
3955 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3956 smp_cmd.long_smp_req.long_resp_addr =
3957 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
3958 smp_cmd.long_smp_req.long_resp_size =
3959 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3960 build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
3961 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc,
3962 &smp_cmd, sizeof(smp_cmd), 0);
3963 if (rc)
3964 goto err_out_2;
3965
3966 return 0;
3967
3968 err_out_2:
3969 dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3970 DMA_FROM_DEVICE);
3971 err_out:
3972 dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3973 DMA_TO_DEVICE);
3974 return rc;
3975 }
3976
3977 /**
3978 * pm8001_chip_ssp_io_req - send a SSP task to FW
3979 * @pm8001_ha: our hba card information.
3980 * @ccb: the ccb information this request used.
3981 */
pm8001_chip_ssp_io_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)3982 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3983 struct pm8001_ccb_info *ccb)
3984 {
3985 struct sas_task *task = ccb->task;
3986 struct domain_device *dev = task->dev;
3987 struct pm8001_device *pm8001_dev = dev->lldd_dev;
3988 struct ssp_ini_io_start_req ssp_cmd;
3989 u32 tag = ccb->ccb_tag;
3990 u64 phys_addr;
3991 u32 opc = OPC_INB_SSPINIIOSTART;
3992 memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3993 memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3994 ssp_cmd.dir_m_tlr =
3995 cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
3996 SAS 1.1 compatible TLR*/
3997 ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3998 ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
3999 ssp_cmd.tag = cpu_to_le32(tag);
4000 ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4001 memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4002 task->ssp_task.cmd->cmd_len);
4003
4004 /* fill in PRD (scatter/gather) table, if any */
4005 if (task->num_scatter > 1) {
4006 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4007 phys_addr = ccb->ccb_dma_handle;
4008 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4009 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4010 ssp_cmd.esgl = cpu_to_le32(1<<31);
4011 } else if (task->num_scatter == 1) {
4012 u64 dma_addr = sg_dma_address(task->scatter);
4013 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4014 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4015 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4016 ssp_cmd.esgl = 0;
4017 } else if (task->num_scatter == 0) {
4018 ssp_cmd.addr_low = 0;
4019 ssp_cmd.addr_high = 0;
4020 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4021 ssp_cmd.esgl = 0;
4022 }
4023
4024 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &ssp_cmd,
4025 sizeof(ssp_cmd), 0);
4026 }
4027
pm8001_chip_sata_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)4028 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4029 struct pm8001_ccb_info *ccb)
4030 {
4031 struct sas_task *task = ccb->task;
4032 struct domain_device *dev = task->dev;
4033 struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4034 u32 tag = ccb->ccb_tag;
4035 struct sata_start_req sata_cmd;
4036 u32 hdr_tag, ncg_tag = 0;
4037 u64 phys_addr;
4038 u32 ATAP = 0x0;
4039 u32 dir, retfis = 0;
4040 u32 opc = OPC_INB_SATA_HOST_OPSTART;
4041
4042 memset(&sata_cmd, 0, sizeof(sata_cmd));
4043
4044 if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) {
4045 ATAP = 0x04; /* no data*/
4046 pm8001_dbg(pm8001_ha, IO, "no data\n");
4047 } else if (likely(!task->ata_task.device_control_reg_update)) {
4048 if (task->ata_task.use_ncq &&
4049 dev->sata_dev.class != ATA_DEV_ATAPI) {
4050 ATAP = 0x07; /* FPDMA */
4051 pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4052 } else if (task->ata_task.dma_xfer) {
4053 ATAP = 0x06; /* DMA */
4054 pm8001_dbg(pm8001_ha, IO, "DMA\n");
4055 } else {
4056 ATAP = 0x05; /* PIO*/
4057 pm8001_dbg(pm8001_ha, IO, "PIO\n");
4058 }
4059 }
4060 if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4061 task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4062 ncg_tag = hdr_tag;
4063 }
4064 dir = data_dir_flags[task->data_dir] << 8;
4065 sata_cmd.tag = cpu_to_le32(tag);
4066 sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4067 sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4068 if (task->ata_task.return_fis_on_success)
4069 retfis = 1;
4070 sata_cmd.retfis_ncqtag_atap_dir_m =
4071 cpu_to_le32((retfis << 24) | ((ncg_tag & 0xff) << 16) |
4072 ((ATAP & 0x3f) << 10) | dir);
4073 sata_cmd.sata_fis = task->ata_task.fis;
4074 if (likely(!task->ata_task.device_control_reg_update))
4075 sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4076 sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4077 /* fill in PRD (scatter/gather) table, if any */
4078 if (task->num_scatter > 1) {
4079 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4080 phys_addr = ccb->ccb_dma_handle;
4081 sata_cmd.addr_low = lower_32_bits(phys_addr);
4082 sata_cmd.addr_high = upper_32_bits(phys_addr);
4083 sata_cmd.esgl = cpu_to_le32(1 << 31);
4084 } else if (task->num_scatter == 1) {
4085 u64 dma_addr = sg_dma_address(task->scatter);
4086 sata_cmd.addr_low = lower_32_bits(dma_addr);
4087 sata_cmd.addr_high = upper_32_bits(dma_addr);
4088 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4089 sata_cmd.esgl = 0;
4090 } else if (task->num_scatter == 0) {
4091 sata_cmd.addr_low = 0;
4092 sata_cmd.addr_high = 0;
4093 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4094 sata_cmd.esgl = 0;
4095 }
4096
4097 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
4098 sizeof(sata_cmd), 0);
4099 }
4100
4101 /**
4102 * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4103 * @pm8001_ha: our hba card information.
4104 * @phy_id: the phy id which we wanted to start up.
4105 */
4106 static int
pm8001_chip_phy_start_req(struct pm8001_hba_info * pm8001_ha,u8 phy_id)4107 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4108 {
4109 struct phy_start_req payload;
4110 u32 tag = 0x01;
4111 u32 opcode = OPC_INB_PHYSTART;
4112
4113 memset(&payload, 0, sizeof(payload));
4114 payload.tag = cpu_to_le32(tag);
4115 /*
4116 ** [0:7] PHY Identifier
4117 ** [8:11] link rate 1.5G, 3G, 6G
4118 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4119 ** [14] 0b disable spin up hold; 1b enable spin up hold
4120 */
4121 payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4122 LINKMODE_AUTO | LINKRATE_15 |
4123 LINKRATE_30 | LINKRATE_60 | phy_id);
4124 payload.sas_identify.dev_type = SAS_END_DEVICE;
4125 payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4126 memcpy(payload.sas_identify.sas_addr,
4127 &pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
4128 payload.sas_identify.phy_id = phy_id;
4129
4130 return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4131 sizeof(payload), 0);
4132 }
4133
4134 /**
4135 * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4136 * @pm8001_ha: our hba card information.
4137 * @phy_id: the phy id which we wanted to start up.
4138 */
pm8001_chip_phy_stop_req(struct pm8001_hba_info * pm8001_ha,u8 phy_id)4139 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4140 u8 phy_id)
4141 {
4142 struct phy_stop_req payload;
4143 u32 tag = 0x01;
4144 u32 opcode = OPC_INB_PHYSTOP;
4145
4146 memset(&payload, 0, sizeof(payload));
4147 payload.tag = cpu_to_le32(tag);
4148 payload.phy_id = cpu_to_le32(phy_id);
4149
4150 return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4151 sizeof(payload), 0);
4152 }
4153
4154 /*
4155 * see comments on pm8001_mpi_reg_resp.
4156 */
pm8001_chip_reg_dev_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_device * pm8001_dev,u32 flag)4157 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4158 struct pm8001_device *pm8001_dev, u32 flag)
4159 {
4160 struct reg_dev_req payload;
4161 u32 opc;
4162 u32 stp_sspsmp_sata = 0x4;
4163 u32 linkrate, phy_id;
4164 int rc;
4165 struct pm8001_ccb_info *ccb;
4166 u8 retryFlag = 0x1;
4167 u16 firstBurstSize = 0;
4168 u16 ITNT = 2000;
4169 struct domain_device *dev = pm8001_dev->sas_device;
4170 struct domain_device *parent_dev = dev->parent;
4171 struct pm8001_port *port = dev->port->lldd_port;
4172
4173 memset(&payload, 0, sizeof(payload));
4174 ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4175 if (!ccb)
4176 return -SAS_QUEUE_FULL;
4177
4178 payload.tag = cpu_to_le32(ccb->ccb_tag);
4179 if (flag == 1)
4180 stp_sspsmp_sata = 0x02; /*direct attached sata */
4181 else {
4182 if (pm8001_dev->dev_type == SAS_SATA_DEV)
4183 stp_sspsmp_sata = 0x00; /* stp*/
4184 else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4185 dev_is_expander(pm8001_dev->dev_type))
4186 stp_sspsmp_sata = 0x01; /*ssp or smp*/
4187 }
4188 if (parent_dev && dev_is_expander(parent_dev->dev_type))
4189 phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4190 else
4191 phy_id = pm8001_dev->attached_phy;
4192 opc = OPC_INB_REG_DEV;
4193 linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4194 pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4195 payload.phyid_portid =
4196 cpu_to_le32(((port->port_id) & 0x0F) |
4197 ((phy_id & 0x0F) << 4));
4198 payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4199 ((linkrate & 0x0F) * 0x1000000) |
4200 ((stp_sspsmp_sata & 0x03) * 0x10000000));
4201 payload.firstburstsize_ITNexustimeout =
4202 cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4203 memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4204 SAS_ADDR_SIZE);
4205
4206 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4207 sizeof(payload), 0);
4208 if (rc)
4209 pm8001_ccb_free(pm8001_ha, ccb);
4210
4211 return rc;
4212 }
4213
4214 /*
4215 * see comments on pm8001_mpi_reg_resp.
4216 */
pm8001_chip_dereg_dev_req(struct pm8001_hba_info * pm8001_ha,u32 device_id)4217 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4218 u32 device_id)
4219 {
4220 struct dereg_dev_req payload;
4221 u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4222
4223 memset(&payload, 0, sizeof(payload));
4224 payload.tag = cpu_to_le32(1);
4225 payload.device_id = cpu_to_le32(device_id);
4226 pm8001_dbg(pm8001_ha, INIT, "unregister device device_id %d\n",
4227 device_id);
4228
4229 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4230 sizeof(payload), 0);
4231 }
4232
4233 /**
4234 * pm8001_chip_phy_ctl_req - support the local phy operation
4235 * @pm8001_ha: our hba card information.
4236 * @phyId: the phy id which we wanted to operate
4237 * @phy_op: the phy operation to request
4238 */
pm8001_chip_phy_ctl_req(struct pm8001_hba_info * pm8001_ha,u32 phyId,u32 phy_op)4239 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4240 u32 phyId, u32 phy_op)
4241 {
4242 struct local_phy_ctl_req payload;
4243 u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4244
4245 memset(&payload, 0, sizeof(payload));
4246 payload.tag = cpu_to_le32(1);
4247 payload.phyop_phyid =
4248 cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4249
4250 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4251 sizeof(payload), 0);
4252 }
4253
pm8001_chip_is_our_interrupt(struct pm8001_hba_info * pm8001_ha)4254 static u32 pm8001_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4255 {
4256 u32 value;
4257
4258 if (pm8001_ha->use_msix)
4259 return 1;
4260
4261 value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4262 if (value)
4263 return 1;
4264 return 0;
4265 }
4266
4267 /**
4268 * pm8001_chip_isr - PM8001 isr handler.
4269 * @pm8001_ha: our hba card information.
4270 * @vec: IRQ number
4271 */
4272 static irqreturn_t
pm8001_chip_isr(struct pm8001_hba_info * pm8001_ha,u8 vec)4273 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4274 {
4275 pm8001_chip_interrupt_disable(pm8001_ha, vec);
4276 pm8001_dbg(pm8001_ha, DEVIO,
4277 "irq vec %d, ODMR:0x%x\n",
4278 vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4279 process_oq(pm8001_ha, vec);
4280 pm8001_chip_interrupt_enable(pm8001_ha, vec);
4281 return IRQ_HANDLED;
4282 }
4283
send_task_abort(struct pm8001_hba_info * pm8001_ha,u32 opc,u32 dev_id,enum sas_internal_abort type,u32 task_tag,u32 cmd_tag)4284 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4285 u32 dev_id, enum sas_internal_abort type, u32 task_tag, u32 cmd_tag)
4286 {
4287 struct task_abort_req task_abort;
4288
4289 memset(&task_abort, 0, sizeof(task_abort));
4290 if (type == SAS_INTERNAL_ABORT_SINGLE) {
4291 task_abort.abort_all = 0;
4292 task_abort.device_id = cpu_to_le32(dev_id);
4293 task_abort.tag_to_abort = cpu_to_le32(task_tag);
4294 } else if (type == SAS_INTERNAL_ABORT_DEV) {
4295 task_abort.abort_all = cpu_to_le32(1);
4296 task_abort.device_id = cpu_to_le32(dev_id);
4297 } else {
4298 pm8001_dbg(pm8001_ha, EH, "unknown type (%d)\n", type);
4299 return -EIO;
4300 }
4301
4302 task_abort.tag = cpu_to_le32(cmd_tag);
4303
4304 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
4305 sizeof(task_abort), 0);
4306 }
4307
4308 /*
4309 * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4310 */
pm8001_chip_abort_task(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)4311 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4312 struct pm8001_ccb_info *ccb)
4313 {
4314 struct sas_task *task = ccb->task;
4315 struct sas_internal_abort_task *abort = &task->abort_task;
4316 struct pm8001_device *pm8001_dev = ccb->device;
4317 int rc = TMF_RESP_FUNC_FAILED;
4318 u32 opc, device_id;
4319
4320 pm8001_dbg(pm8001_ha, EH, "cmd_tag = %x, abort task tag = 0x%x\n",
4321 ccb->ccb_tag, abort->tag);
4322 if (pm8001_dev->dev_type == SAS_END_DEVICE)
4323 opc = OPC_INB_SSP_ABORT;
4324 else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4325 opc = OPC_INB_SATA_ABORT;
4326 else
4327 opc = OPC_INB_SMP_ABORT;/* SMP */
4328 device_id = pm8001_dev->device_id;
4329 rc = send_task_abort(pm8001_ha, opc, device_id, abort->type,
4330 abort->tag, ccb->ccb_tag);
4331 if (rc != TMF_RESP_FUNC_COMPLETE)
4332 pm8001_dbg(pm8001_ha, EH, "rc= %d\n", rc);
4333 return rc;
4334 }
4335
4336 /**
4337 * pm8001_chip_ssp_tm_req - built the task management command.
4338 * @pm8001_ha: our hba card information.
4339 * @ccb: the ccb information.
4340 * @tmf: task management function.
4341 */
pm8001_chip_ssp_tm_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb,struct sas_tmf_task * tmf)4342 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4343 struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf)
4344 {
4345 struct sas_task *task = ccb->task;
4346 struct domain_device *dev = task->dev;
4347 struct pm8001_device *pm8001_dev = dev->lldd_dev;
4348 u32 opc = OPC_INB_SSPINITMSTART;
4349 struct ssp_ini_tm_start_req sspTMCmd;
4350
4351 memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4352 sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4353 sspTMCmd.relate_tag = cpu_to_le32((u32)tmf->tag_of_task_to_be_managed);
4354 sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4355 memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4356 sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4357 if (pm8001_ha->chip_id != chip_8001)
4358 sspTMCmd.ds_ads_m = cpu_to_le32(0x08);
4359
4360 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sspTMCmd,
4361 sizeof(sspTMCmd), 0);
4362 }
4363
pm8001_chip_get_nvmd_req(struct pm8001_hba_info * pm8001_ha,void * payload)4364 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4365 void *payload)
4366 {
4367 u32 opc = OPC_INB_GET_NVMD_DATA;
4368 u32 nvmd_type;
4369 int rc;
4370 struct pm8001_ccb_info *ccb;
4371 struct get_nvm_data_req nvmd_req;
4372 struct fw_control_ex *fw_control_context;
4373 struct pm8001_ioctl_payload *ioctl_payload = payload;
4374
4375 nvmd_type = ioctl_payload->minor_function;
4376 fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4377 if (!fw_control_context)
4378 return -ENOMEM;
4379 fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4380 fw_control_context->len = ioctl_payload->rd_length;
4381 memset(&nvmd_req, 0, sizeof(nvmd_req));
4382
4383 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4384 if (!ccb) {
4385 kfree(fw_control_context);
4386 return -SAS_QUEUE_FULL;
4387 }
4388 ccb->fw_control_context = fw_control_context;
4389
4390 nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4391
4392 switch (nvmd_type) {
4393 case TWI_DEVICE: {
4394 u32 twi_addr, twi_page_size;
4395 twi_addr = 0xa8;
4396 twi_page_size = 2;
4397
4398 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4399 twi_page_size << 8 | TWI_DEVICE);
4400 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4401 nvmd_req.resp_addr_hi =
4402 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4403 nvmd_req.resp_addr_lo =
4404 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4405 break;
4406 }
4407 case C_SEEPROM: {
4408 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4409 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4410 nvmd_req.resp_addr_hi =
4411 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4412 nvmd_req.resp_addr_lo =
4413 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4414 break;
4415 }
4416 case VPD_FLASH: {
4417 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4418 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4419 nvmd_req.resp_addr_hi =
4420 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4421 nvmd_req.resp_addr_lo =
4422 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4423 break;
4424 }
4425 case EXPAN_ROM: {
4426 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4427 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4428 nvmd_req.resp_addr_hi =
4429 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4430 nvmd_req.resp_addr_lo =
4431 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4432 break;
4433 }
4434 case IOP_RDUMP: {
4435 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4436 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4437 nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
4438 nvmd_req.resp_addr_hi =
4439 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4440 nvmd_req.resp_addr_lo =
4441 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4442 break;
4443 }
4444 default:
4445 break;
4446 }
4447
4448 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4449 sizeof(nvmd_req), 0);
4450 if (rc) {
4451 kfree(fw_control_context);
4452 pm8001_ccb_free(pm8001_ha, ccb);
4453 }
4454 return rc;
4455 }
4456
pm8001_chip_set_nvmd_req(struct pm8001_hba_info * pm8001_ha,void * payload)4457 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4458 void *payload)
4459 {
4460 u32 opc = OPC_INB_SET_NVMD_DATA;
4461 u32 nvmd_type;
4462 int rc;
4463 struct pm8001_ccb_info *ccb;
4464 struct set_nvm_data_req nvmd_req;
4465 struct fw_control_ex *fw_control_context;
4466 struct pm8001_ioctl_payload *ioctl_payload = payload;
4467
4468 nvmd_type = ioctl_payload->minor_function;
4469 fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4470 if (!fw_control_context)
4471 return -ENOMEM;
4472
4473 memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4474 &ioctl_payload->func_specific,
4475 ioctl_payload->wr_length);
4476 memset(&nvmd_req, 0, sizeof(nvmd_req));
4477
4478 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4479 if (!ccb) {
4480 kfree(fw_control_context);
4481 return -SAS_QUEUE_FULL;
4482 }
4483 ccb->fw_control_context = fw_control_context;
4484
4485 nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4486 switch (nvmd_type) {
4487 case TWI_DEVICE: {
4488 u32 twi_addr, twi_page_size;
4489 twi_addr = 0xa8;
4490 twi_page_size = 2;
4491 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4492 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4493 twi_page_size << 8 | TWI_DEVICE);
4494 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4495 nvmd_req.resp_addr_hi =
4496 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4497 nvmd_req.resp_addr_lo =
4498 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4499 break;
4500 }
4501 case C_SEEPROM:
4502 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4503 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4504 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4505 nvmd_req.resp_addr_hi =
4506 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4507 nvmd_req.resp_addr_lo =
4508 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4509 break;
4510 case VPD_FLASH:
4511 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4512 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4513 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4514 nvmd_req.resp_addr_hi =
4515 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4516 nvmd_req.resp_addr_lo =
4517 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4518 break;
4519 case EXPAN_ROM:
4520 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4521 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4522 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4523 nvmd_req.resp_addr_hi =
4524 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4525 nvmd_req.resp_addr_lo =
4526 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4527 break;
4528 default:
4529 break;
4530 }
4531
4532 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4533 sizeof(nvmd_req), 0);
4534 if (rc) {
4535 kfree(fw_control_context);
4536 pm8001_ccb_free(pm8001_ha, ccb);
4537 }
4538 return rc;
4539 }
4540
4541 /**
4542 * pm8001_chip_fw_flash_update_build - support the firmware update operation
4543 * @pm8001_ha: our hba card information.
4544 * @fw_flash_updata_info: firmware flash update param
4545 * @tag: Tag to apply to the payload
4546 */
4547 int
pm8001_chip_fw_flash_update_build(struct pm8001_hba_info * pm8001_ha,void * fw_flash_updata_info,u32 tag)4548 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4549 void *fw_flash_updata_info, u32 tag)
4550 {
4551 struct fw_flash_Update_req payload;
4552 struct fw_flash_updata_info *info;
4553 u32 opc = OPC_INB_FW_FLASH_UPDATE;
4554
4555 memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4556 info = fw_flash_updata_info;
4557 payload.tag = cpu_to_le32(tag);
4558 payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4559 payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4560 payload.total_image_len = cpu_to_le32(info->total_image_len);
4561 payload.len = info->sgl.im_len.len ;
4562 payload.sgl_addr_lo =
4563 cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4564 payload.sgl_addr_hi =
4565 cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4566
4567 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4568 sizeof(payload), 0);
4569 }
4570
4571 int
pm8001_chip_fw_flash_update_req(struct pm8001_hba_info * pm8001_ha,void * payload)4572 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4573 void *payload)
4574 {
4575 struct fw_flash_updata_info flash_update_info;
4576 struct fw_control_info *fw_control;
4577 struct fw_control_ex *fw_control_context;
4578 int rc;
4579 struct pm8001_ccb_info *ccb;
4580 void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4581 dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
4582 struct pm8001_ioctl_payload *ioctl_payload = payload;
4583
4584 fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4585 if (!fw_control_context)
4586 return -ENOMEM;
4587 fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4588 pm8001_dbg(pm8001_ha, DEVIO,
4589 "dma fw_control context input length :%x\n",
4590 fw_control->len);
4591 memcpy(buffer, fw_control->buffer, fw_control->len);
4592 flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4593 flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4594 flash_update_info.sgl.im_len.e = 0;
4595 flash_update_info.cur_image_offset = fw_control->offset;
4596 flash_update_info.cur_image_len = fw_control->len;
4597 flash_update_info.total_image_len = fw_control->size;
4598 fw_control_context->fw_control = fw_control;
4599 fw_control_context->virtAddr = buffer;
4600 fw_control_context->phys_addr = phys_addr;
4601 fw_control_context->len = fw_control->len;
4602
4603 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4604 if (!ccb) {
4605 kfree(fw_control_context);
4606 return -SAS_QUEUE_FULL;
4607 }
4608 ccb->fw_control_context = fw_control_context;
4609
4610 rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4611 ccb->ccb_tag);
4612 if (rc) {
4613 kfree(fw_control_context);
4614 pm8001_ccb_free(pm8001_ha, ccb);
4615 }
4616
4617 return rc;
4618 }
4619
4620 ssize_t
pm8001_get_gsm_dump(struct device * cdev,u32 length,char * buf)4621 pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4622 {
4623 u32 value, rem, offset = 0, bar = 0;
4624 u32 index, work_offset, dw_length;
4625 u32 shift_value, gsm_base, gsm_dump_offset;
4626 char *direct_data;
4627 struct Scsi_Host *shost = class_to_shost(cdev);
4628 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4629 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4630
4631 direct_data = buf;
4632 gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
4633
4634 /* check max is 1 Mbytes */
4635 if ((length > 0x100000) || (gsm_dump_offset & 3) ||
4636 ((gsm_dump_offset + length) > 0x1000000))
4637 return -EINVAL;
4638
4639 if (pm8001_ha->chip_id == chip_8001)
4640 bar = 2;
4641 else
4642 bar = 1;
4643
4644 work_offset = gsm_dump_offset & 0xFFFF0000;
4645 offset = gsm_dump_offset & 0x0000FFFF;
4646 gsm_dump_offset = work_offset;
4647 /* adjust length to dword boundary */
4648 rem = length & 3;
4649 dw_length = length >> 2;
4650
4651 for (index = 0; index < dw_length; index++) {
4652 if ((work_offset + offset) & 0xFFFF0000) {
4653 if (pm8001_ha->chip_id == chip_8001)
4654 shift_value = ((gsm_dump_offset + offset) &
4655 SHIFT_REG_64K_MASK);
4656 else
4657 shift_value = (((gsm_dump_offset + offset) &
4658 SHIFT_REG_64K_MASK) >>
4659 SHIFT_REG_BIT_SHIFT);
4660
4661 if (pm8001_ha->chip_id == chip_8001) {
4662 gsm_base = GSM_BASE;
4663 if (-1 == pm8001_bar4_shift(pm8001_ha,
4664 (gsm_base + shift_value)))
4665 return -EIO;
4666 } else {
4667 gsm_base = 0;
4668 if (-1 == pm80xx_bar4_shift(pm8001_ha,
4669 (gsm_base + shift_value)))
4670 return -EIO;
4671 }
4672 gsm_dump_offset = (gsm_dump_offset + offset) &
4673 0xFFFF0000;
4674 work_offset = 0;
4675 offset = offset & 0x0000FFFF;
4676 }
4677 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4678 0x0000FFFF);
4679 direct_data += sprintf(direct_data, "%08x ", value);
4680 offset += 4;
4681 }
4682 if (rem != 0) {
4683 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4684 0x0000FFFF);
4685 /* xfr for non_dw */
4686 direct_data += sprintf(direct_data, "%08x ", value);
4687 }
4688 /* Shift back to BAR4 original address */
4689 if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
4690 return -EIO;
4691 pm8001_ha->fatal_forensic_shift_offset += 1024;
4692
4693 if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
4694 pm8001_ha->fatal_forensic_shift_offset = 0;
4695 return direct_data - buf;
4696 }
4697
4698 int
pm8001_chip_set_dev_state_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_device * pm8001_dev,u32 state)4699 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4700 struct pm8001_device *pm8001_dev, u32 state)
4701 {
4702 struct set_dev_state_req payload;
4703 struct pm8001_ccb_info *ccb;
4704 int rc;
4705 u32 opc = OPC_INB_SET_DEVICE_STATE;
4706
4707 memset(&payload, 0, sizeof(payload));
4708
4709 ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4710 if (!ccb)
4711 return -SAS_QUEUE_FULL;
4712
4713 payload.tag = cpu_to_le32(ccb->ccb_tag);
4714 payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4715 payload.nds = cpu_to_le32(state);
4716
4717 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4718 sizeof(payload), 0);
4719 if (rc)
4720 pm8001_ccb_free(pm8001_ha, ccb);
4721
4722 return rc;
4723 }
4724
4725 static int
pm8001_chip_sas_re_initialization(struct pm8001_hba_info * pm8001_ha)4726 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4727 {
4728 struct sas_re_initialization_req payload;
4729 struct pm8001_ccb_info *ccb;
4730 int rc;
4731 u32 opc = OPC_INB_SAS_RE_INITIALIZE;
4732
4733 memset(&payload, 0, sizeof(payload));
4734
4735 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4736 if (!ccb)
4737 return -SAS_QUEUE_FULL;
4738
4739 payload.tag = cpu_to_le32(ccb->ccb_tag);
4740 payload.SSAHOLT = cpu_to_le32(0xd << 25);
4741 payload.sata_hol_tmo = cpu_to_le32(80);
4742 payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
4743
4744 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4745 sizeof(payload), 0);
4746 if (rc)
4747 pm8001_ccb_free(pm8001_ha, ccb);
4748
4749 return rc;
4750 }
4751
4752 const struct pm8001_dispatch pm8001_8001_dispatch = {
4753 .name = "pmc8001",
4754 .chip_init = pm8001_chip_init,
4755 .chip_post_init = pm8001_chip_post_init,
4756 .chip_soft_rst = pm8001_chip_soft_rst,
4757 .chip_rst = pm8001_hw_chip_rst,
4758 .chip_iounmap = pm8001_chip_iounmap,
4759 .isr = pm8001_chip_isr,
4760 .is_our_interrupt = pm8001_chip_is_our_interrupt,
4761 .isr_process_oq = process_oq,
4762 .interrupt_enable = pm8001_chip_interrupt_enable,
4763 .interrupt_disable = pm8001_chip_interrupt_disable,
4764 .make_prd = pm8001_chip_make_sg,
4765 .smp_req = pm8001_chip_smp_req,
4766 .ssp_io_req = pm8001_chip_ssp_io_req,
4767 .sata_req = pm8001_chip_sata_req,
4768 .phy_start_req = pm8001_chip_phy_start_req,
4769 .phy_stop_req = pm8001_chip_phy_stop_req,
4770 .reg_dev_req = pm8001_chip_reg_dev_req,
4771 .dereg_dev_req = pm8001_chip_dereg_dev_req,
4772 .phy_ctl_req = pm8001_chip_phy_ctl_req,
4773 .task_abort = pm8001_chip_abort_task,
4774 .ssp_tm_req = pm8001_chip_ssp_tm_req,
4775 .get_nvmd_req = pm8001_chip_get_nvmd_req,
4776 .set_nvmd_req = pm8001_chip_set_nvmd_req,
4777 .fw_flash_update_req = pm8001_chip_fw_flash_update_req,
4778 .set_dev_state_req = pm8001_chip_set_dev_state_req,
4779 .sas_re_init_req = pm8001_chip_sas_re_initialization,
4780 .fatal_errors = pm80xx_fatal_errors,
4781 };
4782