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 #ifndef PM8001_USE_MSIX
1184 /**
1185 * pm8001_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1186 * @pm8001_ha: our hba card information
1187 */
1188 static void
pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info * pm8001_ha)1189 pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1190 {
1191 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1192 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1193 }
1194
1195 /**
1196 * pm8001_chip_intx_interrupt_disable - disable PM8001 chip interrupt
1197 * @pm8001_ha: our hba card information
1198 */
1199 static void
pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info * pm8001_ha)1200 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1201 {
1202 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1203 }
1204
1205 #else
1206
1207 /**
1208 * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1209 * @pm8001_ha: our hba card information
1210 * @int_vec_idx: interrupt number to enable
1211 */
1212 static void
pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info * pm8001_ha,u32 int_vec_idx)1213 pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1214 u32 int_vec_idx)
1215 {
1216 u32 msi_index;
1217 u32 value;
1218 msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1219 msi_index += MSIX_TABLE_BASE;
1220 pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1221 value = (1 << int_vec_idx);
1222 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, value);
1223
1224 }
1225
1226 /**
1227 * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1228 * @pm8001_ha: our hba card information
1229 * @int_vec_idx: interrupt number to disable
1230 */
1231 static void
pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info * pm8001_ha,u32 int_vec_idx)1232 pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1233 u32 int_vec_idx)
1234 {
1235 u32 msi_index;
1236 msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1237 msi_index += MSIX_TABLE_BASE;
1238 pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_DISABLE);
1239 }
1240 #endif
1241
1242 /**
1243 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1244 * @pm8001_ha: our hba card information
1245 * @vec: unused
1246 */
1247 static void
pm8001_chip_interrupt_enable(struct pm8001_hba_info * pm8001_ha,u8 vec)1248 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1249 {
1250 #ifdef PM8001_USE_MSIX
1251 pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1252 #else
1253 pm8001_chip_intx_interrupt_enable(pm8001_ha);
1254 #endif
1255 }
1256
1257 /**
1258 * pm8001_chip_interrupt_disable - disable PM8001 chip interrupt
1259 * @pm8001_ha: our hba card information
1260 * @vec: unused
1261 */
1262 static void
pm8001_chip_interrupt_disable(struct pm8001_hba_info * pm8001_ha,u8 vec)1263 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1264 {
1265 #ifdef PM8001_USE_MSIX
1266 pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1267 #else
1268 pm8001_chip_intx_interrupt_disable(pm8001_ha);
1269 #endif
1270 }
1271
1272 /**
1273 * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1274 * inbound queue.
1275 * @circularQ: the inbound queue we want to transfer to HBA.
1276 * @messageSize: the message size of this transfer, normally it is 64 bytes
1277 * @messagePtr: the pointer to message.
1278 */
pm8001_mpi_msg_free_get(struct inbound_queue_table * circularQ,u16 messageSize,void ** messagePtr)1279 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1280 u16 messageSize, void **messagePtr)
1281 {
1282 u32 offset, consumer_index;
1283 struct mpi_msg_hdr *msgHeader;
1284 u8 bcCount = 1; /* only support single buffer */
1285
1286 /* Checks is the requested message size can be allocated in this queue*/
1287 if (messageSize > IOMB_SIZE_SPCV) {
1288 *messagePtr = NULL;
1289 return -1;
1290 }
1291
1292 /* Stores the new consumer index */
1293 consumer_index = pm8001_read_32(circularQ->ci_virt);
1294 circularQ->consumer_index = cpu_to_le32(consumer_index);
1295 if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1296 le32_to_cpu(circularQ->consumer_index)) {
1297 *messagePtr = NULL;
1298 return -1;
1299 }
1300 /* get memory IOMB buffer address */
1301 offset = circularQ->producer_idx * messageSize;
1302 /* increment to next bcCount element */
1303 circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1304 % PM8001_MPI_QUEUE;
1305 /* Adds that distance to the base of the region virtual address plus
1306 the message header size*/
1307 msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
1308 *messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1309 return 0;
1310 }
1311
1312 /**
1313 * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1314 * FW to tell the fw to get this message from IOMB.
1315 * @pm8001_ha: our hba card information
1316 * @q_index: the index in the inbound queue we want to transfer to HBA.
1317 * @opCode: the operation code represents commands which LLDD and fw recognized.
1318 * @payload: the command payload of each operation command.
1319 * @nb: size in bytes of the command payload
1320 * @responseQueue: queue to interrupt on w/ command response (if any)
1321 */
pm8001_mpi_build_cmd(struct pm8001_hba_info * pm8001_ha,u32 q_index,u32 opCode,void * payload,size_t nb,u32 responseQueue)1322 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1323 u32 q_index, u32 opCode, void *payload, size_t nb,
1324 u32 responseQueue)
1325 {
1326 u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1327 void *pMessage;
1328 unsigned long flags;
1329 struct inbound_queue_table *circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
1330 int rv;
1331 u32 htag = le32_to_cpu(*(__le32 *)payload);
1332
1333 trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
1334 circularQ->producer_idx, le32_to_cpu(circularQ->consumer_index));
1335
1336 if (WARN_ON(q_index >= pm8001_ha->max_q_num))
1337 return -EINVAL;
1338
1339 spin_lock_irqsave(&circularQ->iq_lock, flags);
1340 rv = pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1341 &pMessage);
1342 if (rv < 0) {
1343 pm8001_dbg(pm8001_ha, IO, "No free mpi buffer\n");
1344 rv = -ENOMEM;
1345 goto done;
1346 }
1347
1348 if (nb > (pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr)))
1349 nb = pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr);
1350 memcpy(pMessage, payload, nb);
1351 if (nb + sizeof(struct mpi_msg_hdr) < pm8001_ha->iomb_size)
1352 memset(pMessage + nb, 0, pm8001_ha->iomb_size -
1353 (nb + sizeof(struct mpi_msg_hdr)));
1354
1355 /*Build the header*/
1356 Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1357 | ((responseQueue & 0x3F) << 16)
1358 | ((category & 0xF) << 12) | (opCode & 0xFFF));
1359
1360 pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1361 /*Update the PI to the firmware*/
1362 pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1363 circularQ->pi_offset, circularQ->producer_idx);
1364 pm8001_dbg(pm8001_ha, DEVIO,
1365 "INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1366 responseQueue, opCode, circularQ->producer_idx,
1367 circularQ->consumer_index);
1368 done:
1369 spin_unlock_irqrestore(&circularQ->iq_lock, flags);
1370 return rv;
1371 }
1372
pm8001_mpi_msg_free_set(struct pm8001_hba_info * pm8001_ha,void * pMsg,struct outbound_queue_table * circularQ,u8 bc)1373 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1374 struct outbound_queue_table *circularQ, u8 bc)
1375 {
1376 u32 producer_index;
1377 struct mpi_msg_hdr *msgHeader;
1378 struct mpi_msg_hdr *pOutBoundMsgHeader;
1379
1380 msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1381 pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1382 circularQ->consumer_idx * pm8001_ha->iomb_size);
1383 if (pOutBoundMsgHeader != msgHeader) {
1384 pm8001_dbg(pm8001_ha, FAIL,
1385 "consumer_idx = %d msgHeader = %p\n",
1386 circularQ->consumer_idx, msgHeader);
1387
1388 /* Update the producer index from SPC */
1389 producer_index = pm8001_read_32(circularQ->pi_virt);
1390 circularQ->producer_index = cpu_to_le32(producer_index);
1391 pm8001_dbg(pm8001_ha, FAIL,
1392 "consumer_idx = %d producer_index = %dmsgHeader = %p\n",
1393 circularQ->consumer_idx,
1394 circularQ->producer_index, msgHeader);
1395 return 0;
1396 }
1397 /* free the circular queue buffer elements associated with the message*/
1398 circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1399 % PM8001_MPI_QUEUE;
1400 /* update the CI of outbound queue */
1401 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1402 circularQ->consumer_idx);
1403 /* Update the producer index from SPC*/
1404 producer_index = pm8001_read_32(circularQ->pi_virt);
1405 circularQ->producer_index = cpu_to_le32(producer_index);
1406 pm8001_dbg(pm8001_ha, IO, " CI=%d PI=%d\n",
1407 circularQ->consumer_idx, circularQ->producer_index);
1408 return 0;
1409 }
1410
1411 /**
1412 * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1413 * message table.
1414 * @pm8001_ha: our hba card information
1415 * @circularQ: the outbound queue table.
1416 * @messagePtr1: the message contents of this outbound message.
1417 * @pBC: the message size.
1418 */
pm8001_mpi_msg_consume(struct pm8001_hba_info * pm8001_ha,struct outbound_queue_table * circularQ,void ** messagePtr1,u8 * pBC)1419 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1420 struct outbound_queue_table *circularQ,
1421 void **messagePtr1, u8 *pBC)
1422 {
1423 struct mpi_msg_hdr *msgHeader;
1424 __le32 msgHeader_tmp;
1425 u32 header_tmp;
1426 do {
1427 /* If there are not-yet-delivered messages ... */
1428 if (le32_to_cpu(circularQ->producer_index)
1429 != circularQ->consumer_idx) {
1430 /*Get the pointer to the circular queue buffer element*/
1431 msgHeader = (struct mpi_msg_hdr *)
1432 (circularQ->base_virt +
1433 circularQ->consumer_idx * pm8001_ha->iomb_size);
1434 /* read header */
1435 header_tmp = pm8001_read_32(msgHeader);
1436 msgHeader_tmp = cpu_to_le32(header_tmp);
1437 pm8001_dbg(pm8001_ha, DEVIO,
1438 "outbound opcode msgheader:%x ci=%d pi=%d\n",
1439 msgHeader_tmp, circularQ->consumer_idx,
1440 circularQ->producer_index);
1441 if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1442 if (OPC_OUB_SKIP_ENTRY !=
1443 (le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1444 *messagePtr1 =
1445 ((u8 *)msgHeader) +
1446 sizeof(struct mpi_msg_hdr);
1447 *pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1448 >> 24) & 0x1f);
1449 pm8001_dbg(pm8001_ha, IO,
1450 ": CI=%d PI=%d msgHeader=%x\n",
1451 circularQ->consumer_idx,
1452 circularQ->producer_index,
1453 msgHeader_tmp);
1454 return MPI_IO_STATUS_SUCCESS;
1455 } else {
1456 circularQ->consumer_idx =
1457 (circularQ->consumer_idx +
1458 ((le32_to_cpu(msgHeader_tmp)
1459 >> 24) & 0x1f))
1460 % PM8001_MPI_QUEUE;
1461 msgHeader_tmp = 0;
1462 pm8001_write_32(msgHeader, 0, 0);
1463 /* update the CI of outbound queue */
1464 pm8001_cw32(pm8001_ha,
1465 circularQ->ci_pci_bar,
1466 circularQ->ci_offset,
1467 circularQ->consumer_idx);
1468 }
1469 } else {
1470 circularQ->consumer_idx =
1471 (circularQ->consumer_idx +
1472 ((le32_to_cpu(msgHeader_tmp) >> 24) &
1473 0x1f)) % PM8001_MPI_QUEUE;
1474 msgHeader_tmp = 0;
1475 pm8001_write_32(msgHeader, 0, 0);
1476 /* update the CI of outbound queue */
1477 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1478 circularQ->ci_offset,
1479 circularQ->consumer_idx);
1480 return MPI_IO_STATUS_FAIL;
1481 }
1482 } else {
1483 u32 producer_index;
1484 void *pi_virt = circularQ->pi_virt;
1485 /* spurious interrupt during setup if
1486 * kexec-ing and driver doing a doorbell access
1487 * with the pre-kexec oq interrupt setup
1488 */
1489 if (!pi_virt)
1490 break;
1491 /* Update the producer index from SPC */
1492 producer_index = pm8001_read_32(pi_virt);
1493 circularQ->producer_index = cpu_to_le32(producer_index);
1494 }
1495 } while (le32_to_cpu(circularQ->producer_index) !=
1496 circularQ->consumer_idx);
1497 /* while we don't have any more not-yet-delivered message */
1498 /* report empty */
1499 return MPI_IO_STATUS_BUSY;
1500 }
1501
pm8001_work_fn(struct work_struct * work)1502 void pm8001_work_fn(struct work_struct *work)
1503 {
1504 struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1505 struct pm8001_device *pm8001_dev;
1506 struct domain_device *dev;
1507
1508 /*
1509 * So far, all users of this stash an associated structure here.
1510 * If we get here, and this pointer is null, then the action
1511 * was cancelled. This nullification happens when the device
1512 * goes away.
1513 */
1514 if (pw->handler != IO_FATAL_ERROR) {
1515 pm8001_dev = pw->data; /* Most stash device structure */
1516 if ((pm8001_dev == NULL)
1517 || ((pw->handler != IO_XFER_ERROR_BREAK)
1518 && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1519 kfree(pw);
1520 return;
1521 }
1522 }
1523
1524 switch (pw->handler) {
1525 case IO_XFER_ERROR_BREAK:
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 struct task_status_struct *ts;
1532 int i;
1533
1534 if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1535 break; /* Task still on lu */
1536 spin_lock_irqsave(&pm8001_ha->lock, flags);
1537
1538 spin_lock_irqsave(&t->task_state_lock, flags1);
1539 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1540 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1541 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1542 break; /* Task got completed by another */
1543 }
1544 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1545
1546 /* Search for a possible ccb that matches the task */
1547 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1548 ccb = &pm8001_ha->ccb_info[i];
1549 if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1550 (ccb->task == t))
1551 break;
1552 }
1553 if (!ccb) {
1554 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1555 break; /* Task got freed by another */
1556 }
1557 ts = &t->task_status;
1558 ts->resp = SAS_TASK_COMPLETE;
1559 /* Force the midlayer to retry */
1560 ts->stat = SAS_QUEUE_FULL;
1561 pm8001_dev = ccb->device;
1562 if (pm8001_dev)
1563 atomic_dec(&pm8001_dev->running_req);
1564 spin_lock_irqsave(&t->task_state_lock, flags1);
1565 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1566 t->task_state_flags |= SAS_TASK_STATE_DONE;
1567 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1568 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1569 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",
1570 t, pw->handler, ts->resp, ts->stat);
1571 pm8001_ccb_task_free(pm8001_ha, ccb);
1572 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1573 } else {
1574 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1575 pm8001_ccb_task_free(pm8001_ha, ccb);
1576 mb();/* in order to force CPU ordering */
1577 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1578 t->task_done(t);
1579 }
1580 } break;
1581 case IO_XFER_OPEN_RETRY_TIMEOUT:
1582 { /* This one stashes the sas_task instead */
1583 struct sas_task *t = (struct sas_task *)pm8001_dev;
1584 struct pm8001_ccb_info *ccb;
1585 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1586 unsigned long flags, flags1;
1587 int i, ret = 0;
1588
1589 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1590
1591 ret = pm8001_query_task(t);
1592
1593 if (ret == TMF_RESP_FUNC_SUCC)
1594 pm8001_dbg(pm8001_ha, IO, "...Task on lu\n");
1595 else if (ret == TMF_RESP_FUNC_COMPLETE)
1596 pm8001_dbg(pm8001_ha, IO, "...Task NOT on lu\n");
1597 else
1598 pm8001_dbg(pm8001_ha, DEVIO, "...query task failed!!!\n");
1599
1600 spin_lock_irqsave(&pm8001_ha->lock, flags);
1601
1602 spin_lock_irqsave(&t->task_state_lock, flags1);
1603
1604 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1605 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1606 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1607 if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1608 (void)pm8001_abort_task(t);
1609 break; /* Task got completed by another */
1610 }
1611
1612 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1613
1614 /* Search for a possible ccb that matches the task */
1615 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1616 ccb = &pm8001_ha->ccb_info[i];
1617 if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1618 (ccb->task == t))
1619 break;
1620 }
1621 if (!ccb) {
1622 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1623 if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1624 (void)pm8001_abort_task(t);
1625 break; /* Task got freed by another */
1626 }
1627
1628 pm8001_dev = ccb->device;
1629 dev = pm8001_dev->sas_device;
1630
1631 switch (ret) {
1632 case TMF_RESP_FUNC_SUCC: /* task on lu */
1633 ccb->open_retry = 1; /* Snub completion */
1634 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1635 ret = pm8001_abort_task(t);
1636 ccb->open_retry = 0;
1637 switch (ret) {
1638 case TMF_RESP_FUNC_SUCC:
1639 case TMF_RESP_FUNC_COMPLETE:
1640 break;
1641 default: /* device misbehavior */
1642 ret = TMF_RESP_FUNC_FAILED;
1643 pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1644 pm8001_I_T_nexus_reset(dev);
1645 break;
1646 }
1647 break;
1648
1649 case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1650 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1651 /* Do we need to abort the task locally? */
1652 break;
1653
1654 default: /* device misbehavior */
1655 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1656 ret = TMF_RESP_FUNC_FAILED;
1657 pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1658 pm8001_I_T_nexus_reset(dev);
1659 }
1660
1661 if (ret == TMF_RESP_FUNC_FAILED)
1662 t = NULL;
1663 pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1664 pm8001_dbg(pm8001_ha, IO, "...Complete\n");
1665 } break;
1666 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1667 dev = pm8001_dev->sas_device;
1668 pm8001_I_T_nexus_event_handler(dev);
1669 break;
1670 case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1671 dev = pm8001_dev->sas_device;
1672 pm8001_I_T_nexus_reset(dev);
1673 break;
1674 case IO_DS_IN_ERROR:
1675 dev = pm8001_dev->sas_device;
1676 pm8001_I_T_nexus_reset(dev);
1677 break;
1678 case IO_DS_NON_OPERATIONAL:
1679 dev = pm8001_dev->sas_device;
1680 pm8001_I_T_nexus_reset(dev);
1681 break;
1682 case IO_FATAL_ERROR:
1683 {
1684 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1685 struct pm8001_ccb_info *ccb;
1686 struct task_status_struct *ts;
1687 struct sas_task *task;
1688 int i;
1689 u32 device_id;
1690
1691 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1692 ccb = &pm8001_ha->ccb_info[i];
1693 task = ccb->task;
1694 ts = &task->task_status;
1695
1696 if (task != NULL) {
1697 dev = task->dev;
1698 if (!dev) {
1699 pm8001_dbg(pm8001_ha, FAIL,
1700 "dev is NULL\n");
1701 continue;
1702 }
1703 /*complete sas task and update to top layer */
1704 pm8001_ccb_task_free(pm8001_ha, ccb);
1705 ts->resp = SAS_TASK_COMPLETE;
1706 task->task_done(task);
1707 } else if (ccb->ccb_tag != PM8001_INVALID_TAG) {
1708 /* complete the internal commands/non-sas task */
1709 pm8001_dev = ccb->device;
1710 if (pm8001_dev->dcompletion) {
1711 complete(pm8001_dev->dcompletion);
1712 pm8001_dev->dcompletion = NULL;
1713 }
1714 complete(pm8001_ha->nvmd_completion);
1715 pm8001_ccb_free(pm8001_ha, ccb);
1716 }
1717 }
1718 /* Deregister all the device ids */
1719 for (i = 0; i < PM8001_MAX_DEVICES; i++) {
1720 pm8001_dev = &pm8001_ha->devices[i];
1721 device_id = pm8001_dev->device_id;
1722 if (device_id) {
1723 PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
1724 pm8001_free_dev(pm8001_dev);
1725 }
1726 }
1727 }
1728 break;
1729 case IO_XFER_ERROR_ABORTED_NCQ_MODE:
1730 {
1731 dev = pm8001_dev->sas_device;
1732 sas_ata_device_link_abort(dev, false);
1733 }
1734 break;
1735 }
1736 kfree(pw);
1737 }
1738
pm8001_handle_event(struct pm8001_hba_info * pm8001_ha,void * data,int handler)1739 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1740 int handler)
1741 {
1742 struct pm8001_work *pw;
1743 int ret = 0;
1744
1745 pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1746 if (pw) {
1747 pw->pm8001_ha = pm8001_ha;
1748 pw->data = data;
1749 pw->handler = handler;
1750 INIT_WORK(&pw->work, pm8001_work_fn);
1751 queue_work(pm8001_wq, &pw->work);
1752 } else
1753 ret = -ENOMEM;
1754
1755 return ret;
1756 }
1757
1758 /**
1759 * mpi_ssp_completion- process the event that FW response to the SSP request.
1760 * @pm8001_ha: our hba card information
1761 * @piomb: the message contents of this outbound message.
1762 *
1763 * When FW has completed a ssp request for example a IO request, after it has
1764 * filled the SG data with the data, it will trigger this event representing
1765 * that he has finished the job; please check the corresponding buffer.
1766 * So we will tell the caller who maybe waiting the result to tell upper layer
1767 * that the task has been finished.
1768 */
1769 static void
mpi_ssp_completion(struct pm8001_hba_info * pm8001_ha,void * piomb)1770 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1771 {
1772 struct sas_task *t;
1773 struct pm8001_ccb_info *ccb;
1774 unsigned long flags;
1775 u32 status;
1776 u32 param;
1777 u32 tag;
1778 struct ssp_completion_resp *psspPayload;
1779 struct task_status_struct *ts;
1780 struct ssp_response_iu *iu;
1781 struct pm8001_device *pm8001_dev;
1782 psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1783 status = le32_to_cpu(psspPayload->status);
1784 tag = le32_to_cpu(psspPayload->tag);
1785 ccb = &pm8001_ha->ccb_info[tag];
1786 if ((status == IO_ABORTED) && ccb->open_retry) {
1787 /* Being completed by another */
1788 ccb->open_retry = 0;
1789 return;
1790 }
1791 pm8001_dev = ccb->device;
1792 param = le32_to_cpu(psspPayload->param);
1793
1794 t = ccb->task;
1795
1796 if (status && status != IO_UNDERFLOW)
1797 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1798 if (unlikely(!t || !t->lldd_task || !t->dev))
1799 return;
1800 ts = &t->task_status;
1801 /* Print sas address of IO failed device */
1802 if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1803 (status != IO_UNDERFLOW))
1804 pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1805 SAS_ADDR(t->dev->sas_addr));
1806
1807 if (status)
1808 pm8001_dbg(pm8001_ha, IOERR,
1809 "status:0x%x, tag:0x%x, task:0x%p\n",
1810 status, tag, t);
1811
1812 switch (status) {
1813 case IO_SUCCESS:
1814 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS,param = %d\n",
1815 param);
1816 if (param == 0) {
1817 ts->resp = SAS_TASK_COMPLETE;
1818 ts->stat = SAS_SAM_STAT_GOOD;
1819 } else {
1820 ts->resp = SAS_TASK_COMPLETE;
1821 ts->stat = SAS_PROTO_RESPONSE;
1822 ts->residual = param;
1823 iu = &psspPayload->ssp_resp_iu;
1824 sas_ssp_task_response(pm8001_ha->dev, t, iu);
1825 }
1826 if (pm8001_dev)
1827 atomic_dec(&pm8001_dev->running_req);
1828 break;
1829 case IO_ABORTED:
1830 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1831 ts->resp = SAS_TASK_COMPLETE;
1832 ts->stat = SAS_ABORTED_TASK;
1833 break;
1834 case IO_UNDERFLOW:
1835 /* SSP Completion with error */
1836 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW,param = %d\n",
1837 param);
1838 ts->resp = SAS_TASK_COMPLETE;
1839 ts->stat = SAS_DATA_UNDERRUN;
1840 ts->residual = param;
1841 if (pm8001_dev)
1842 atomic_dec(&pm8001_dev->running_req);
1843 break;
1844 case IO_NO_DEVICE:
1845 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1846 ts->resp = SAS_TASK_UNDELIVERED;
1847 ts->stat = SAS_PHY_DOWN;
1848 break;
1849 case IO_XFER_ERROR_BREAK:
1850 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1851 ts->resp = SAS_TASK_COMPLETE;
1852 ts->stat = SAS_OPEN_REJECT;
1853 /* Force the midlayer to retry */
1854 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1855 break;
1856 case IO_XFER_ERROR_PHY_NOT_READY:
1857 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\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_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1863 pm8001_dbg(pm8001_ha, IO,
1864 "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1865 ts->resp = SAS_TASK_COMPLETE;
1866 ts->stat = SAS_OPEN_REJECT;
1867 ts->open_rej_reason = SAS_OREJ_EPROTO;
1868 break;
1869 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1870 pm8001_dbg(pm8001_ha, IO,
1871 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1872 ts->resp = SAS_TASK_COMPLETE;
1873 ts->stat = SAS_OPEN_REJECT;
1874 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1875 break;
1876 case IO_OPEN_CNX_ERROR_BREAK:
1877 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
1878 ts->resp = SAS_TASK_COMPLETE;
1879 ts->stat = SAS_OPEN_REJECT;
1880 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1881 break;
1882 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1883 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
1884 ts->resp = SAS_TASK_COMPLETE;
1885 ts->stat = SAS_OPEN_REJECT;
1886 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1887 if (!t->uldd_task)
1888 pm8001_handle_event(pm8001_ha,
1889 pm8001_dev,
1890 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1891 break;
1892 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1893 pm8001_dbg(pm8001_ha, IO,
1894 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
1895 ts->resp = SAS_TASK_COMPLETE;
1896 ts->stat = SAS_OPEN_REJECT;
1897 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1898 break;
1899 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1900 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
1901 ts->resp = SAS_TASK_COMPLETE;
1902 ts->stat = SAS_OPEN_REJECT;
1903 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1904 break;
1905 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1906 pm8001_dbg(pm8001_ha, IO,
1907 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
1908 ts->resp = SAS_TASK_UNDELIVERED;
1909 ts->stat = SAS_OPEN_REJECT;
1910 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1911 break;
1912 case IO_XFER_ERROR_NAK_RECEIVED:
1913 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
1914 ts->resp = SAS_TASK_COMPLETE;
1915 ts->stat = SAS_OPEN_REJECT;
1916 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1917 break;
1918 case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1919 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
1920 ts->resp = SAS_TASK_COMPLETE;
1921 ts->stat = SAS_NAK_R_ERR;
1922 break;
1923 case IO_XFER_ERROR_DMA:
1924 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
1925 ts->resp = SAS_TASK_COMPLETE;
1926 ts->stat = SAS_OPEN_REJECT;
1927 break;
1928 case IO_XFER_OPEN_RETRY_TIMEOUT:
1929 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1930 ts->resp = SAS_TASK_COMPLETE;
1931 ts->stat = SAS_OPEN_REJECT;
1932 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1933 break;
1934 case IO_XFER_ERROR_OFFSET_MISMATCH:
1935 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
1936 ts->resp = SAS_TASK_COMPLETE;
1937 ts->stat = SAS_OPEN_REJECT;
1938 break;
1939 case IO_PORT_IN_RESET:
1940 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
1941 ts->resp = SAS_TASK_COMPLETE;
1942 ts->stat = SAS_OPEN_REJECT;
1943 break;
1944 case IO_DS_NON_OPERATIONAL:
1945 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
1946 ts->resp = SAS_TASK_COMPLETE;
1947 ts->stat = SAS_OPEN_REJECT;
1948 if (!t->uldd_task)
1949 pm8001_handle_event(pm8001_ha,
1950 pm8001_dev,
1951 IO_DS_NON_OPERATIONAL);
1952 break;
1953 case IO_DS_IN_RECOVERY:
1954 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
1955 ts->resp = SAS_TASK_COMPLETE;
1956 ts->stat = SAS_OPEN_REJECT;
1957 break;
1958 case IO_TM_TAG_NOT_FOUND:
1959 pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
1960 ts->resp = SAS_TASK_COMPLETE;
1961 ts->stat = SAS_OPEN_REJECT;
1962 break;
1963 case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1964 pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
1965 ts->resp = SAS_TASK_COMPLETE;
1966 ts->stat = SAS_OPEN_REJECT;
1967 break;
1968 case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1969 pm8001_dbg(pm8001_ha, IO,
1970 "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
1971 ts->resp = SAS_TASK_COMPLETE;
1972 ts->stat = SAS_OPEN_REJECT;
1973 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1974 break;
1975 default:
1976 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
1977 /* not allowed case. Therefore, return failed status */
1978 ts->resp = SAS_TASK_COMPLETE;
1979 ts->stat = SAS_OPEN_REJECT;
1980 break;
1981 }
1982 pm8001_dbg(pm8001_ha, IO, "scsi_status = %x\n",
1983 psspPayload->ssp_resp_iu.status);
1984 spin_lock_irqsave(&t->task_state_lock, flags);
1985 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1986 t->task_state_flags |= SAS_TASK_STATE_DONE;
1987 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1988 spin_unlock_irqrestore(&t->task_state_lock, flags);
1989 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",
1990 t, status, ts->resp, ts->stat);
1991 pm8001_ccb_task_free(pm8001_ha, ccb);
1992 } else {
1993 spin_unlock_irqrestore(&t->task_state_lock, flags);
1994 pm8001_ccb_task_free(pm8001_ha, ccb);
1995 mb();/* in order to force CPU ordering */
1996 t->task_done(t);
1997 }
1998 }
1999
2000 /*See the comments for mpi_ssp_completion */
mpi_ssp_event(struct pm8001_hba_info * pm8001_ha,void * piomb)2001 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2002 {
2003 struct sas_task *t;
2004 unsigned long flags;
2005 struct task_status_struct *ts;
2006 struct pm8001_ccb_info *ccb;
2007 struct pm8001_device *pm8001_dev;
2008 struct ssp_event_resp *psspPayload =
2009 (struct ssp_event_resp *)(piomb + 4);
2010 u32 event = le32_to_cpu(psspPayload->event);
2011 u32 tag = le32_to_cpu(psspPayload->tag);
2012 u32 port_id = le32_to_cpu(psspPayload->port_id);
2013 u32 dev_id = le32_to_cpu(psspPayload->device_id);
2014
2015 ccb = &pm8001_ha->ccb_info[tag];
2016 t = ccb->task;
2017 pm8001_dev = ccb->device;
2018 if (event)
2019 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2020 if (unlikely(!t || !t->lldd_task || !t->dev))
2021 return;
2022 ts = &t->task_status;
2023 pm8001_dbg(pm8001_ha, DEVIO, "port_id = %x,device_id = %x\n",
2024 port_id, dev_id);
2025 switch (event) {
2026 case IO_OVERFLOW:
2027 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2028 ts->resp = SAS_TASK_COMPLETE;
2029 ts->stat = SAS_DATA_OVERRUN;
2030 ts->residual = 0;
2031 if (pm8001_dev)
2032 atomic_dec(&pm8001_dev->running_req);
2033 break;
2034 case IO_XFER_ERROR_BREAK:
2035 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2036 pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2037 return;
2038 case IO_XFER_ERROR_PHY_NOT_READY:
2039 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2040 ts->resp = SAS_TASK_COMPLETE;
2041 ts->stat = SAS_OPEN_REJECT;
2042 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2043 break;
2044 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2045 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2046 ts->resp = SAS_TASK_COMPLETE;
2047 ts->stat = SAS_OPEN_REJECT;
2048 ts->open_rej_reason = SAS_OREJ_EPROTO;
2049 break;
2050 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2051 pm8001_dbg(pm8001_ha, IO,
2052 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2053 ts->resp = SAS_TASK_COMPLETE;
2054 ts->stat = SAS_OPEN_REJECT;
2055 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2056 break;
2057 case IO_OPEN_CNX_ERROR_BREAK:
2058 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2059 ts->resp = SAS_TASK_COMPLETE;
2060 ts->stat = SAS_OPEN_REJECT;
2061 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2062 break;
2063 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2064 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2065 ts->resp = SAS_TASK_COMPLETE;
2066 ts->stat = SAS_OPEN_REJECT;
2067 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2068 if (!t->uldd_task)
2069 pm8001_handle_event(pm8001_ha,
2070 pm8001_dev,
2071 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2072 break;
2073 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2074 pm8001_dbg(pm8001_ha, IO,
2075 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2076 ts->resp = SAS_TASK_COMPLETE;
2077 ts->stat = SAS_OPEN_REJECT;
2078 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2079 break;
2080 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2081 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2082 ts->resp = SAS_TASK_COMPLETE;
2083 ts->stat = SAS_OPEN_REJECT;
2084 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2085 break;
2086 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2087 pm8001_dbg(pm8001_ha, IO,
2088 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2089 ts->resp = SAS_TASK_COMPLETE;
2090 ts->stat = SAS_OPEN_REJECT;
2091 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2092 break;
2093 case IO_XFER_ERROR_NAK_RECEIVED:
2094 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2095 ts->resp = SAS_TASK_COMPLETE;
2096 ts->stat = SAS_OPEN_REJECT;
2097 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2098 break;
2099 case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2100 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2101 ts->resp = SAS_TASK_COMPLETE;
2102 ts->stat = SAS_NAK_R_ERR;
2103 break;
2104 case IO_XFER_OPEN_RETRY_TIMEOUT:
2105 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2106 pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2107 return;
2108 case IO_XFER_ERROR_UNEXPECTED_PHASE:
2109 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2110 ts->resp = SAS_TASK_COMPLETE;
2111 ts->stat = SAS_DATA_OVERRUN;
2112 break;
2113 case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2114 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2115 ts->resp = SAS_TASK_COMPLETE;
2116 ts->stat = SAS_DATA_OVERRUN;
2117 break;
2118 case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2119 pm8001_dbg(pm8001_ha, IO,
2120 "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2121 ts->resp = SAS_TASK_COMPLETE;
2122 ts->stat = SAS_DATA_OVERRUN;
2123 break;
2124 case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2125 pm8001_dbg(pm8001_ha, IO,
2126 "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2127 ts->resp = SAS_TASK_COMPLETE;
2128 ts->stat = SAS_DATA_OVERRUN;
2129 break;
2130 case IO_XFER_ERROR_OFFSET_MISMATCH:
2131 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2132 ts->resp = SAS_TASK_COMPLETE;
2133 ts->stat = SAS_DATA_OVERRUN;
2134 break;
2135 case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2136 pm8001_dbg(pm8001_ha, IO,
2137 "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2138 ts->resp = SAS_TASK_COMPLETE;
2139 ts->stat = SAS_DATA_OVERRUN;
2140 break;
2141 case IO_XFER_CMD_FRAME_ISSUED:
2142 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2143 return;
2144 default:
2145 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2146 /* not allowed case. Therefore, return failed status */
2147 ts->resp = SAS_TASK_COMPLETE;
2148 ts->stat = SAS_DATA_OVERRUN;
2149 break;
2150 }
2151 spin_lock_irqsave(&t->task_state_lock, flags);
2152 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2153 t->task_state_flags |= SAS_TASK_STATE_DONE;
2154 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2155 spin_unlock_irqrestore(&t->task_state_lock, flags);
2156 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",
2157 t, event, ts->resp, ts->stat);
2158 pm8001_ccb_task_free(pm8001_ha, ccb);
2159 } else {
2160 spin_unlock_irqrestore(&t->task_state_lock, flags);
2161 pm8001_ccb_task_free(pm8001_ha, ccb);
2162 mb();/* in order to force CPU ordering */
2163 t->task_done(t);
2164 }
2165 }
2166
2167 /*See the comments for mpi_ssp_completion */
2168 static void
mpi_sata_completion(struct pm8001_hba_info * pm8001_ha,void * piomb)2169 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2170 {
2171 struct sas_task *t;
2172 struct pm8001_ccb_info *ccb;
2173 u32 param;
2174 u32 status;
2175 u32 tag;
2176 int i, j;
2177 u8 sata_addr_low[4];
2178 u32 temp_sata_addr_low;
2179 u8 sata_addr_hi[4];
2180 u32 temp_sata_addr_hi;
2181 struct sata_completion_resp *psataPayload;
2182 struct task_status_struct *ts;
2183 struct ata_task_resp *resp ;
2184 u32 *sata_resp;
2185 struct pm8001_device *pm8001_dev;
2186 unsigned long flags;
2187
2188 psataPayload = (struct sata_completion_resp *)(piomb + 4);
2189 status = le32_to_cpu(psataPayload->status);
2190 param = le32_to_cpu(psataPayload->param);
2191 tag = le32_to_cpu(psataPayload->tag);
2192
2193 ccb = &pm8001_ha->ccb_info[tag];
2194 t = ccb->task;
2195 pm8001_dev = ccb->device;
2196
2197 if (t) {
2198 if (t->dev && (t->dev->lldd_dev))
2199 pm8001_dev = t->dev->lldd_dev;
2200 } else {
2201 pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2202 ccb->ccb_tag);
2203 pm8001_ccb_free(pm8001_ha, ccb);
2204 return;
2205 }
2206
2207 if (pm8001_dev && unlikely(!t || !t->lldd_task || !t->dev)) {
2208 pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2209 return;
2210 }
2211
2212 ts = &t->task_status;
2213
2214 if (status)
2215 pm8001_dbg(pm8001_ha, IOERR,
2216 "status:0x%x, tag:0x%x, task::0x%p\n",
2217 status, tag, t);
2218
2219 /* Print sas address of IO failed device */
2220 if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2221 (status != IO_UNDERFLOW)) {
2222 if (!((t->dev->parent) &&
2223 (dev_is_expander(t->dev->parent->dev_type)))) {
2224 for (i = 0, j = 4; j <= 7 && i <= 3; i++, j++)
2225 sata_addr_low[i] = pm8001_ha->sas_addr[j];
2226 for (i = 0, j = 0; j <= 3 && i <= 3; i++, j++)
2227 sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2228 memcpy(&temp_sata_addr_low, sata_addr_low,
2229 sizeof(sata_addr_low));
2230 memcpy(&temp_sata_addr_hi, sata_addr_hi,
2231 sizeof(sata_addr_hi));
2232 temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2233 |((temp_sata_addr_hi << 8) &
2234 0xff0000) |
2235 ((temp_sata_addr_hi >> 8)
2236 & 0xff00) |
2237 ((temp_sata_addr_hi << 24) &
2238 0xff000000));
2239 temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2240 & 0xff) |
2241 ((temp_sata_addr_low << 8)
2242 & 0xff0000) |
2243 ((temp_sata_addr_low >> 8)
2244 & 0xff00) |
2245 ((temp_sata_addr_low << 24)
2246 & 0xff000000)) +
2247 pm8001_dev->attached_phy +
2248 0x10);
2249 pm8001_dbg(pm8001_ha, FAIL,
2250 "SAS Address of IO Failure Drive:%08x%08x\n",
2251 temp_sata_addr_hi,
2252 temp_sata_addr_low);
2253 } else {
2254 pm8001_dbg(pm8001_ha, FAIL,
2255 "SAS Address of IO Failure Drive:%016llx\n",
2256 SAS_ADDR(t->dev->sas_addr));
2257 }
2258 }
2259 switch (status) {
2260 case IO_SUCCESS:
2261 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2262 if (param == 0) {
2263 ts->resp = SAS_TASK_COMPLETE;
2264 ts->stat = SAS_SAM_STAT_GOOD;
2265 } else {
2266 u8 len;
2267 ts->resp = SAS_TASK_COMPLETE;
2268 ts->stat = SAS_PROTO_RESPONSE;
2269 ts->residual = param;
2270 pm8001_dbg(pm8001_ha, IO,
2271 "SAS_PROTO_RESPONSE len = %d\n",
2272 param);
2273 sata_resp = &psataPayload->sata_resp[0];
2274 resp = (struct ata_task_resp *)ts->buf;
2275 if (t->ata_task.dma_xfer == 0 &&
2276 t->data_dir == DMA_FROM_DEVICE) {
2277 len = sizeof(struct pio_setup_fis);
2278 pm8001_dbg(pm8001_ha, IO,
2279 "PIO read len = %d\n", len);
2280 } else if (t->ata_task.use_ncq &&
2281 t->data_dir != DMA_NONE) {
2282 len = sizeof(struct set_dev_bits_fis);
2283 pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2284 len);
2285 } else {
2286 len = sizeof(struct dev_to_host_fis);
2287 pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2288 len);
2289 }
2290 if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2291 resp->frame_len = len;
2292 memcpy(&resp->ending_fis[0], sata_resp, len);
2293 ts->buf_valid_size = sizeof(*resp);
2294 } else
2295 pm8001_dbg(pm8001_ha, IO,
2296 "response too large\n");
2297 }
2298 if (pm8001_dev)
2299 atomic_dec(&pm8001_dev->running_req);
2300 break;
2301 case IO_ABORTED:
2302 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2303 ts->resp = SAS_TASK_COMPLETE;
2304 ts->stat = SAS_ABORTED_TASK;
2305 if (pm8001_dev)
2306 atomic_dec(&pm8001_dev->running_req);
2307 break;
2308 /* following cases are to do cases */
2309 case IO_UNDERFLOW:
2310 /* SATA Completion with error */
2311 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2312 ts->resp = SAS_TASK_COMPLETE;
2313 ts->stat = SAS_DATA_UNDERRUN;
2314 ts->residual = param;
2315 if (pm8001_dev)
2316 atomic_dec(&pm8001_dev->running_req);
2317 break;
2318 case IO_NO_DEVICE:
2319 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2320 ts->resp = SAS_TASK_UNDELIVERED;
2321 ts->stat = SAS_PHY_DOWN;
2322 if (pm8001_dev)
2323 atomic_dec(&pm8001_dev->running_req);
2324 break;
2325 case IO_XFER_ERROR_BREAK:
2326 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2327 ts->resp = SAS_TASK_COMPLETE;
2328 ts->stat = SAS_INTERRUPTED;
2329 if (pm8001_dev)
2330 atomic_dec(&pm8001_dev->running_req);
2331 break;
2332 case IO_XFER_ERROR_PHY_NOT_READY:
2333 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2334 ts->resp = SAS_TASK_COMPLETE;
2335 ts->stat = SAS_OPEN_REJECT;
2336 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2337 if (pm8001_dev)
2338 atomic_dec(&pm8001_dev->running_req);
2339 break;
2340 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2341 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2342 ts->resp = SAS_TASK_COMPLETE;
2343 ts->stat = SAS_OPEN_REJECT;
2344 ts->open_rej_reason = SAS_OREJ_EPROTO;
2345 if (pm8001_dev)
2346 atomic_dec(&pm8001_dev->running_req);
2347 break;
2348 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2349 pm8001_dbg(pm8001_ha, IO,
2350 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2351 ts->resp = SAS_TASK_COMPLETE;
2352 ts->stat = SAS_OPEN_REJECT;
2353 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2354 if (pm8001_dev)
2355 atomic_dec(&pm8001_dev->running_req);
2356 break;
2357 case IO_OPEN_CNX_ERROR_BREAK:
2358 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2359 ts->resp = SAS_TASK_COMPLETE;
2360 ts->stat = SAS_OPEN_REJECT;
2361 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2362 if (pm8001_dev)
2363 atomic_dec(&pm8001_dev->running_req);
2364 break;
2365 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2366 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2367 ts->resp = SAS_TASK_COMPLETE;
2368 ts->stat = SAS_DEV_NO_RESPONSE;
2369 if (!t->uldd_task) {
2370 pm8001_handle_event(pm8001_ha,
2371 pm8001_dev,
2372 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2373 ts->resp = SAS_TASK_UNDELIVERED;
2374 ts->stat = SAS_QUEUE_FULL;
2375 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2376 return;
2377 }
2378 break;
2379 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2380 pm8001_dbg(pm8001_ha, IO,
2381 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2382 ts->resp = SAS_TASK_UNDELIVERED;
2383 ts->stat = SAS_OPEN_REJECT;
2384 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2385 if (!t->uldd_task) {
2386 pm8001_handle_event(pm8001_ha,
2387 pm8001_dev,
2388 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2389 ts->resp = SAS_TASK_UNDELIVERED;
2390 ts->stat = SAS_QUEUE_FULL;
2391 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2392 return;
2393 }
2394 break;
2395 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2396 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2397 ts->resp = SAS_TASK_COMPLETE;
2398 ts->stat = SAS_OPEN_REJECT;
2399 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2400 if (pm8001_dev)
2401 atomic_dec(&pm8001_dev->running_req);
2402 break;
2403 case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2404 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2405 ts->resp = SAS_TASK_COMPLETE;
2406 ts->stat = SAS_DEV_NO_RESPONSE;
2407 if (!t->uldd_task) {
2408 pm8001_handle_event(pm8001_ha,
2409 pm8001_dev,
2410 IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2411 ts->resp = SAS_TASK_UNDELIVERED;
2412 ts->stat = SAS_QUEUE_FULL;
2413 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2414 return;
2415 }
2416 break;
2417 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2418 pm8001_dbg(pm8001_ha, IO,
2419 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2420 ts->resp = SAS_TASK_COMPLETE;
2421 ts->stat = SAS_OPEN_REJECT;
2422 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2423 if (pm8001_dev)
2424 atomic_dec(&pm8001_dev->running_req);
2425 break;
2426 case IO_XFER_ERROR_NAK_RECEIVED:
2427 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2428 ts->resp = SAS_TASK_COMPLETE;
2429 ts->stat = SAS_NAK_R_ERR;
2430 if (pm8001_dev)
2431 atomic_dec(&pm8001_dev->running_req);
2432 break;
2433 case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2434 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2435 ts->resp = SAS_TASK_COMPLETE;
2436 ts->stat = SAS_NAK_R_ERR;
2437 if (pm8001_dev)
2438 atomic_dec(&pm8001_dev->running_req);
2439 break;
2440 case IO_XFER_ERROR_DMA:
2441 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2442 ts->resp = SAS_TASK_COMPLETE;
2443 ts->stat = SAS_ABORTED_TASK;
2444 if (pm8001_dev)
2445 atomic_dec(&pm8001_dev->running_req);
2446 break;
2447 case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2448 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2449 ts->resp = SAS_TASK_UNDELIVERED;
2450 ts->stat = SAS_DEV_NO_RESPONSE;
2451 if (pm8001_dev)
2452 atomic_dec(&pm8001_dev->running_req);
2453 break;
2454 case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2455 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2456 ts->resp = SAS_TASK_COMPLETE;
2457 ts->stat = SAS_DATA_UNDERRUN;
2458 if (pm8001_dev)
2459 atomic_dec(&pm8001_dev->running_req);
2460 break;
2461 case IO_XFER_OPEN_RETRY_TIMEOUT:
2462 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2463 ts->resp = SAS_TASK_COMPLETE;
2464 ts->stat = SAS_OPEN_TO;
2465 if (pm8001_dev)
2466 atomic_dec(&pm8001_dev->running_req);
2467 break;
2468 case IO_PORT_IN_RESET:
2469 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2470 ts->resp = SAS_TASK_COMPLETE;
2471 ts->stat = SAS_DEV_NO_RESPONSE;
2472 if (pm8001_dev)
2473 atomic_dec(&pm8001_dev->running_req);
2474 break;
2475 case IO_DS_NON_OPERATIONAL:
2476 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2477 ts->resp = SAS_TASK_COMPLETE;
2478 ts->stat = SAS_DEV_NO_RESPONSE;
2479 if (!t->uldd_task) {
2480 pm8001_handle_event(pm8001_ha, pm8001_dev,
2481 IO_DS_NON_OPERATIONAL);
2482 ts->resp = SAS_TASK_UNDELIVERED;
2483 ts->stat = SAS_QUEUE_FULL;
2484 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2485 return;
2486 }
2487 break;
2488 case IO_DS_IN_RECOVERY:
2489 pm8001_dbg(pm8001_ha, IO, " IO_DS_IN_RECOVERY\n");
2490 ts->resp = SAS_TASK_COMPLETE;
2491 ts->stat = SAS_DEV_NO_RESPONSE;
2492 if (pm8001_dev)
2493 atomic_dec(&pm8001_dev->running_req);
2494 break;
2495 case IO_DS_IN_ERROR:
2496 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2497 ts->resp = SAS_TASK_COMPLETE;
2498 ts->stat = SAS_DEV_NO_RESPONSE;
2499 if (!t->uldd_task) {
2500 pm8001_handle_event(pm8001_ha, pm8001_dev,
2501 IO_DS_IN_ERROR);
2502 ts->resp = SAS_TASK_UNDELIVERED;
2503 ts->stat = SAS_QUEUE_FULL;
2504 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2505 return;
2506 }
2507 break;
2508 case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2509 pm8001_dbg(pm8001_ha, IO,
2510 "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2511 ts->resp = SAS_TASK_COMPLETE;
2512 ts->stat = SAS_OPEN_REJECT;
2513 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2514 if (pm8001_dev)
2515 atomic_dec(&pm8001_dev->running_req);
2516 break;
2517 default:
2518 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2519 /* not allowed case. Therefore, return failed status */
2520 ts->resp = SAS_TASK_COMPLETE;
2521 ts->stat = SAS_DEV_NO_RESPONSE;
2522 if (pm8001_dev)
2523 atomic_dec(&pm8001_dev->running_req);
2524 break;
2525 }
2526 spin_lock_irqsave(&t->task_state_lock, flags);
2527 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2528 t->task_state_flags |= SAS_TASK_STATE_DONE;
2529 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2530 spin_unlock_irqrestore(&t->task_state_lock, flags);
2531 pm8001_dbg(pm8001_ha, FAIL,
2532 "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2533 t, status, ts->resp, ts->stat);
2534 pm8001_ccb_task_free(pm8001_ha, ccb);
2535 } else {
2536 spin_unlock_irqrestore(&t->task_state_lock, flags);
2537 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2538 }
2539 }
2540
2541 /*See the comments for mpi_ssp_completion */
mpi_sata_event(struct pm8001_hba_info * pm8001_ha,void * piomb)2542 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2543 {
2544 struct sas_task *t;
2545 struct task_status_struct *ts;
2546 struct pm8001_ccb_info *ccb;
2547 struct pm8001_device *pm8001_dev;
2548 struct sata_event_resp *psataPayload =
2549 (struct sata_event_resp *)(piomb + 4);
2550 u32 event = le32_to_cpu(psataPayload->event);
2551 u32 tag = le32_to_cpu(psataPayload->tag);
2552 u32 port_id = le32_to_cpu(psataPayload->port_id);
2553 u32 dev_id = le32_to_cpu(psataPayload->device_id);
2554
2555 if (event)
2556 pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2557
2558 /* Check if this is NCQ error */
2559 if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2560 /* find device using device id */
2561 pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2562 if (pm8001_dev)
2563 pm8001_handle_event(pm8001_ha,
2564 pm8001_dev,
2565 IO_XFER_ERROR_ABORTED_NCQ_MODE);
2566 return;
2567 }
2568
2569 ccb = &pm8001_ha->ccb_info[tag];
2570 t = ccb->task;
2571 pm8001_dev = ccb->device;
2572 if (event)
2573 pm8001_dbg(pm8001_ha, FAIL, "sata IO status 0x%x\n", event);
2574
2575 if (unlikely(!t)) {
2576 pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2577 ccb->ccb_tag);
2578 pm8001_ccb_free(pm8001_ha, ccb);
2579 return;
2580 }
2581
2582 if (unlikely(!t->lldd_task || !t->dev))
2583 return;
2584
2585 ts = &t->task_status;
2586 pm8001_dbg(pm8001_ha, DEVIO,
2587 "port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2588 port_id, dev_id, tag, event);
2589 switch (event) {
2590 case IO_OVERFLOW:
2591 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2592 ts->resp = SAS_TASK_COMPLETE;
2593 ts->stat = SAS_DATA_OVERRUN;
2594 ts->residual = 0;
2595 break;
2596 case IO_XFER_ERROR_BREAK:
2597 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2598 ts->resp = SAS_TASK_COMPLETE;
2599 ts->stat = SAS_INTERRUPTED;
2600 break;
2601 case IO_XFER_ERROR_PHY_NOT_READY:
2602 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2603 ts->resp = SAS_TASK_COMPLETE;
2604 ts->stat = SAS_OPEN_REJECT;
2605 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2606 break;
2607 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2608 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2609 ts->resp = SAS_TASK_COMPLETE;
2610 ts->stat = SAS_OPEN_REJECT;
2611 ts->open_rej_reason = SAS_OREJ_EPROTO;
2612 break;
2613 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2614 pm8001_dbg(pm8001_ha, IO,
2615 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2616 ts->resp = SAS_TASK_COMPLETE;
2617 ts->stat = SAS_OPEN_REJECT;
2618 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2619 break;
2620 case IO_OPEN_CNX_ERROR_BREAK:
2621 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2622 ts->resp = SAS_TASK_COMPLETE;
2623 ts->stat = SAS_OPEN_REJECT;
2624 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2625 break;
2626 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2627 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2628 ts->resp = SAS_TASK_UNDELIVERED;
2629 ts->stat = SAS_DEV_NO_RESPONSE;
2630 if (!t->uldd_task) {
2631 pm8001_handle_event(pm8001_ha,
2632 pm8001_dev,
2633 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2634 ts->resp = SAS_TASK_COMPLETE;
2635 ts->stat = SAS_QUEUE_FULL;
2636 return;
2637 }
2638 break;
2639 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2640 pm8001_dbg(pm8001_ha, IO,
2641 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2642 ts->resp = SAS_TASK_UNDELIVERED;
2643 ts->stat = SAS_OPEN_REJECT;
2644 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2645 break;
2646 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2647 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2648 ts->resp = SAS_TASK_COMPLETE;
2649 ts->stat = SAS_OPEN_REJECT;
2650 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2651 break;
2652 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2653 pm8001_dbg(pm8001_ha, IO,
2654 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2655 ts->resp = SAS_TASK_COMPLETE;
2656 ts->stat = SAS_OPEN_REJECT;
2657 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2658 break;
2659 case IO_XFER_ERROR_NAK_RECEIVED:
2660 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2661 ts->resp = SAS_TASK_COMPLETE;
2662 ts->stat = SAS_NAK_R_ERR;
2663 break;
2664 case IO_XFER_ERROR_PEER_ABORTED:
2665 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2666 ts->resp = SAS_TASK_COMPLETE;
2667 ts->stat = SAS_NAK_R_ERR;
2668 break;
2669 case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2670 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2671 ts->resp = SAS_TASK_COMPLETE;
2672 ts->stat = SAS_DATA_UNDERRUN;
2673 break;
2674 case IO_XFER_OPEN_RETRY_TIMEOUT:
2675 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2676 ts->resp = SAS_TASK_COMPLETE;
2677 ts->stat = SAS_OPEN_TO;
2678 break;
2679 case IO_XFER_ERROR_UNEXPECTED_PHASE:
2680 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2681 ts->resp = SAS_TASK_COMPLETE;
2682 ts->stat = SAS_OPEN_TO;
2683 break;
2684 case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2685 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2686 ts->resp = SAS_TASK_COMPLETE;
2687 ts->stat = SAS_OPEN_TO;
2688 break;
2689 case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2690 pm8001_dbg(pm8001_ha, IO,
2691 "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2692 ts->resp = SAS_TASK_COMPLETE;
2693 ts->stat = SAS_OPEN_TO;
2694 break;
2695 case IO_XFER_ERROR_OFFSET_MISMATCH:
2696 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2697 ts->resp = SAS_TASK_COMPLETE;
2698 ts->stat = SAS_OPEN_TO;
2699 break;
2700 case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2701 pm8001_dbg(pm8001_ha, IO,
2702 "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2703 ts->resp = SAS_TASK_COMPLETE;
2704 ts->stat = SAS_OPEN_TO;
2705 break;
2706 case IO_XFER_CMD_FRAME_ISSUED:
2707 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2708 break;
2709 case IO_XFER_PIO_SETUP_ERROR:
2710 pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2711 ts->resp = SAS_TASK_COMPLETE;
2712 ts->stat = SAS_OPEN_TO;
2713 break;
2714 default:
2715 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2716 /* not allowed case. Therefore, return failed status */
2717 ts->resp = SAS_TASK_COMPLETE;
2718 ts->stat = SAS_OPEN_TO;
2719 break;
2720 }
2721 }
2722
2723 /*See the comments for mpi_ssp_completion */
2724 static void
mpi_smp_completion(struct pm8001_hba_info * pm8001_ha,void * piomb)2725 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2726 {
2727 struct sas_task *t;
2728 struct pm8001_ccb_info *ccb;
2729 unsigned long flags;
2730 u32 status;
2731 u32 tag;
2732 struct smp_completion_resp *psmpPayload;
2733 struct task_status_struct *ts;
2734 struct pm8001_device *pm8001_dev;
2735
2736 psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2737 status = le32_to_cpu(psmpPayload->status);
2738 tag = le32_to_cpu(psmpPayload->tag);
2739
2740 ccb = &pm8001_ha->ccb_info[tag];
2741 t = ccb->task;
2742 ts = &t->task_status;
2743 pm8001_dev = ccb->device;
2744 if (status) {
2745 pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2746 pm8001_dbg(pm8001_ha, IOERR,
2747 "status:0x%x, tag:0x%x, task:0x%p\n",
2748 status, tag, t);
2749 }
2750 if (unlikely(!t || !t->lldd_task || !t->dev))
2751 return;
2752
2753 switch (status) {
2754 case IO_SUCCESS:
2755 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2756 ts->resp = SAS_TASK_COMPLETE;
2757 ts->stat = SAS_SAM_STAT_GOOD;
2758 if (pm8001_dev)
2759 atomic_dec(&pm8001_dev->running_req);
2760 break;
2761 case IO_ABORTED:
2762 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
2763 ts->resp = SAS_TASK_COMPLETE;
2764 ts->stat = SAS_ABORTED_TASK;
2765 if (pm8001_dev)
2766 atomic_dec(&pm8001_dev->running_req);
2767 break;
2768 case IO_OVERFLOW:
2769 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2770 ts->resp = SAS_TASK_COMPLETE;
2771 ts->stat = SAS_DATA_OVERRUN;
2772 ts->residual = 0;
2773 if (pm8001_dev)
2774 atomic_dec(&pm8001_dev->running_req);
2775 break;
2776 case IO_NO_DEVICE:
2777 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2778 ts->resp = SAS_TASK_COMPLETE;
2779 ts->stat = SAS_PHY_DOWN;
2780 break;
2781 case IO_ERROR_HW_TIMEOUT:
2782 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
2783 ts->resp = SAS_TASK_COMPLETE;
2784 ts->stat = SAS_SAM_STAT_BUSY;
2785 break;
2786 case IO_XFER_ERROR_BREAK:
2787 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2788 ts->resp = SAS_TASK_COMPLETE;
2789 ts->stat = SAS_SAM_STAT_BUSY;
2790 break;
2791 case IO_XFER_ERROR_PHY_NOT_READY:
2792 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2793 ts->resp = SAS_TASK_COMPLETE;
2794 ts->stat = SAS_SAM_STAT_BUSY;
2795 break;
2796 case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2797 pm8001_dbg(pm8001_ha, IO,
2798 "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2799 ts->resp = SAS_TASK_COMPLETE;
2800 ts->stat = SAS_OPEN_REJECT;
2801 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2802 break;
2803 case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2804 pm8001_dbg(pm8001_ha, IO,
2805 "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2806 ts->resp = SAS_TASK_COMPLETE;
2807 ts->stat = SAS_OPEN_REJECT;
2808 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2809 break;
2810 case IO_OPEN_CNX_ERROR_BREAK:
2811 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2812 ts->resp = SAS_TASK_COMPLETE;
2813 ts->stat = SAS_OPEN_REJECT;
2814 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2815 break;
2816 case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2817 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2818 ts->resp = SAS_TASK_COMPLETE;
2819 ts->stat = SAS_OPEN_REJECT;
2820 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2821 pm8001_handle_event(pm8001_ha,
2822 pm8001_dev,
2823 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2824 break;
2825 case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2826 pm8001_dbg(pm8001_ha, IO,
2827 "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2828 ts->resp = SAS_TASK_COMPLETE;
2829 ts->stat = SAS_OPEN_REJECT;
2830 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2831 break;
2832 case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2833 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2834 ts->resp = SAS_TASK_COMPLETE;
2835 ts->stat = SAS_OPEN_REJECT;
2836 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2837 break;
2838 case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2839 pm8001_dbg(pm8001_ha, IO,
2840 "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2841 ts->resp = SAS_TASK_COMPLETE;
2842 ts->stat = SAS_OPEN_REJECT;
2843 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2844 break;
2845 case IO_XFER_ERROR_RX_FRAME:
2846 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
2847 ts->resp = SAS_TASK_COMPLETE;
2848 ts->stat = SAS_DEV_NO_RESPONSE;
2849 break;
2850 case IO_XFER_OPEN_RETRY_TIMEOUT:
2851 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2852 ts->resp = SAS_TASK_COMPLETE;
2853 ts->stat = SAS_OPEN_REJECT;
2854 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2855 break;
2856 case IO_ERROR_INTERNAL_SMP_RESOURCE:
2857 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
2858 ts->resp = SAS_TASK_COMPLETE;
2859 ts->stat = SAS_QUEUE_FULL;
2860 break;
2861 case IO_PORT_IN_RESET:
2862 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2863 ts->resp = SAS_TASK_COMPLETE;
2864 ts->stat = SAS_OPEN_REJECT;
2865 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2866 break;
2867 case IO_DS_NON_OPERATIONAL:
2868 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2869 ts->resp = SAS_TASK_COMPLETE;
2870 ts->stat = SAS_DEV_NO_RESPONSE;
2871 break;
2872 case IO_DS_IN_RECOVERY:
2873 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2874 ts->resp = SAS_TASK_COMPLETE;
2875 ts->stat = SAS_OPEN_REJECT;
2876 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2877 break;
2878 case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2879 pm8001_dbg(pm8001_ha, IO,
2880 "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2881 ts->resp = SAS_TASK_COMPLETE;
2882 ts->stat = SAS_OPEN_REJECT;
2883 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2884 break;
2885 default:
2886 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2887 ts->resp = SAS_TASK_COMPLETE;
2888 ts->stat = SAS_DEV_NO_RESPONSE;
2889 /* not allowed case. Therefore, return failed status */
2890 break;
2891 }
2892 spin_lock_irqsave(&t->task_state_lock, flags);
2893 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2894 t->task_state_flags |= SAS_TASK_STATE_DONE;
2895 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2896 spin_unlock_irqrestore(&t->task_state_lock, flags);
2897 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",
2898 t, status, ts->resp, ts->stat);
2899 pm8001_ccb_task_free(pm8001_ha, ccb);
2900 } else {
2901 spin_unlock_irqrestore(&t->task_state_lock, flags);
2902 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2903 }
2904 }
2905
pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)2906 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
2907 void *piomb)
2908 {
2909 struct set_dev_state_resp *pPayload =
2910 (struct set_dev_state_resp *)(piomb + 4);
2911 u32 tag = le32_to_cpu(pPayload->tag);
2912 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2913 struct pm8001_device *pm8001_dev = ccb->device;
2914 u32 status = le32_to_cpu(pPayload->status);
2915 u32 device_id = le32_to_cpu(pPayload->device_id);
2916 u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
2917 u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
2918
2919 pm8001_dbg(pm8001_ha, MSG,
2920 "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n",
2921 device_id, pds, nds, status);
2922 complete(pm8001_dev->setds_completion);
2923 pm8001_ccb_free(pm8001_ha, ccb);
2924 }
2925
pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)2926 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2927 {
2928 struct get_nvm_data_resp *pPayload =
2929 (struct get_nvm_data_resp *)(piomb + 4);
2930 u32 tag = le32_to_cpu(pPayload->tag);
2931 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2932 u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2933
2934 complete(pm8001_ha->nvmd_completion);
2935 pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n");
2936 if ((dlen_status & NVMD_STAT) != 0) {
2937 pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n",
2938 dlen_status);
2939 }
2940 pm8001_ccb_free(pm8001_ha, ccb);
2941 }
2942
2943 void
pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)2944 pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2945 {
2946 struct fw_control_ex *fw_control_context;
2947 struct get_nvm_data_resp *pPayload =
2948 (struct get_nvm_data_resp *)(piomb + 4);
2949 u32 tag = le32_to_cpu(pPayload->tag);
2950 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2951 u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2952 u32 ir_tds_bn_dps_das_nvm =
2953 le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
2954 void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
2955 fw_control_context = ccb->fw_control_context;
2956
2957 pm8001_dbg(pm8001_ha, MSG, "Get nvm data complete!\n");
2958 if ((dlen_status & NVMD_STAT) != 0) {
2959 pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error %x\n",
2960 dlen_status);
2961 complete(pm8001_ha->nvmd_completion);
2962 /* We should free tag during failure also, the tag is not being
2963 * freed by requesting path anywhere.
2964 */
2965 pm8001_ccb_free(pm8001_ha, ccb);
2966 return;
2967 }
2968 if (ir_tds_bn_dps_das_nvm & IPMode) {
2969 /* indirect mode - IR bit set */
2970 pm8001_dbg(pm8001_ha, MSG, "Get NVMD success, IR=1\n");
2971 if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
2972 if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
2973 memcpy(pm8001_ha->sas_addr,
2974 ((u8 *)virt_addr + 4),
2975 SAS_ADDR_SIZE);
2976 pm8001_dbg(pm8001_ha, MSG, "Get SAS address from VPD successfully!\n");
2977 }
2978 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
2979 || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
2980 ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
2981 ;
2982 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
2983 || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
2984 ;
2985 } else {
2986 /* Should not be happened*/
2987 pm8001_dbg(pm8001_ha, MSG,
2988 "(IR=1)Wrong Device type 0x%x\n",
2989 ir_tds_bn_dps_das_nvm);
2990 }
2991 } else /* direct mode */{
2992 pm8001_dbg(pm8001_ha, MSG,
2993 "Get NVMD success, IR=0, dataLen=%d\n",
2994 (dlen_status & NVMD_LEN) >> 24);
2995 }
2996 /* Though fw_control_context is freed below, usrAddr still needs
2997 * to be updated as this holds the response to the request function
2998 */
2999 memcpy(fw_control_context->usrAddr,
3000 pm8001_ha->memoryMap.region[NVMD].virt_ptr,
3001 fw_control_context->len);
3002 kfree(ccb->fw_control_context);
3003 /* To avoid race condition, complete should be
3004 * called after the message is copied to
3005 * fw_control_context->usrAddr
3006 */
3007 complete(pm8001_ha->nvmd_completion);
3008 pm8001_dbg(pm8001_ha, MSG, "Get nvmd data complete!\n");
3009 pm8001_ccb_free(pm8001_ha, ccb);
3010 }
3011
pm8001_mpi_local_phy_ctl(struct pm8001_hba_info * pm8001_ha,void * piomb)3012 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
3013 {
3014 u32 tag;
3015 struct local_phy_ctl_resp *pPayload =
3016 (struct local_phy_ctl_resp *)(piomb + 4);
3017 u32 status = le32_to_cpu(pPayload->status);
3018 u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
3019 u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
3020 tag = le32_to_cpu(pPayload->tag);
3021 if (status != 0) {
3022 pm8001_dbg(pm8001_ha, MSG,
3023 "%x phy execute %x phy op failed!\n",
3024 phy_id, phy_op);
3025 } else {
3026 pm8001_dbg(pm8001_ha, MSG,
3027 "%x phy execute %x phy op success!\n",
3028 phy_id, phy_op);
3029 pm8001_ha->phy[phy_id].reset_success = true;
3030 }
3031 if (pm8001_ha->phy[phy_id].enable_completion) {
3032 complete(pm8001_ha->phy[phy_id].enable_completion);
3033 pm8001_ha->phy[phy_id].enable_completion = NULL;
3034 }
3035 pm8001_tag_free(pm8001_ha, tag);
3036 return 0;
3037 }
3038
3039 /**
3040 * pm8001_bytes_dmaed - one of the interface function communication with libsas
3041 * @pm8001_ha: our hba card information
3042 * @i: which phy that received the event.
3043 *
3044 * when HBA driver received the identify done event or initiate FIS received
3045 * event(for SATA), it will invoke this function to notify the sas layer that
3046 * the sas toplogy has formed, please discover the whole sas domain,
3047 * while receive a broadcast(change) primitive just tell the sas
3048 * layer to discover the changed domain rather than the whole domain.
3049 */
pm8001_bytes_dmaed(struct pm8001_hba_info * pm8001_ha,int i)3050 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
3051 {
3052 struct pm8001_phy *phy = &pm8001_ha->phy[i];
3053 struct asd_sas_phy *sas_phy = &phy->sas_phy;
3054 if (!phy->phy_attached)
3055 return;
3056
3057 if (phy->phy_type & PORT_TYPE_SAS) {
3058 struct sas_identify_frame *id;
3059 id = (struct sas_identify_frame *)phy->frame_rcvd;
3060 id->dev_type = phy->identify.device_type;
3061 id->initiator_bits = SAS_PROTOCOL_ALL;
3062 id->target_bits = phy->identify.target_port_protocols;
3063 } else if (phy->phy_type & PORT_TYPE_SATA) {
3064 /*Nothing*/
3065 }
3066 pm8001_dbg(pm8001_ha, MSG, "phy %d byte dmaded.\n", i);
3067
3068 sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3069 sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
3070 }
3071
3072 /* Get the link rate speed */
pm8001_get_lrate_mode(struct pm8001_phy * phy,u8 link_rate)3073 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3074 {
3075 struct sas_phy *sas_phy = phy->sas_phy.phy;
3076
3077 switch (link_rate) {
3078 case PHY_SPEED_120:
3079 phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
3080 break;
3081 case PHY_SPEED_60:
3082 phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
3083 break;
3084 case PHY_SPEED_30:
3085 phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3086 break;
3087 case PHY_SPEED_15:
3088 phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3089 break;
3090 }
3091 sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3092 sas_phy->maximum_linkrate_hw = phy->maximum_linkrate;
3093 sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3094 sas_phy->maximum_linkrate = phy->maximum_linkrate;
3095 sas_phy->minimum_linkrate = phy->minimum_linkrate;
3096 }
3097
3098 /**
3099 * pm8001_get_attached_sas_addr - extract/generate attached SAS address
3100 * @phy: pointer to asd_phy
3101 * @sas_addr: pointer to buffer where the SAS address is to be written
3102 *
3103 * This function extracts the SAS address from an IDENTIFY frame
3104 * received. If OOB is SATA, then a SAS address is generated from the
3105 * HA tables.
3106 *
3107 * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3108 * buffer.
3109 */
pm8001_get_attached_sas_addr(struct pm8001_phy * phy,u8 * sas_addr)3110 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3111 u8 *sas_addr)
3112 {
3113 if (phy->sas_phy.frame_rcvd[0] == 0x34
3114 && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3115 struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3116 /* FIS device-to-host */
3117 u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3118 addr += phy->sas_phy.id;
3119 *(__be64 *)sas_addr = cpu_to_be64(addr);
3120 } else {
3121 struct sas_identify_frame *idframe =
3122 (void *) phy->sas_phy.frame_rcvd;
3123 memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3124 }
3125 }
3126
3127 /**
3128 * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3129 * @pm8001_ha: our hba card information
3130 * @Qnum: the outbound queue message number.
3131 * @SEA: source of event to ack
3132 * @port_id: port id.
3133 * @phyId: phy id.
3134 * @param0: parameter 0.
3135 * @param1: parameter 1.
3136 */
pm8001_hw_event_ack_req(struct pm8001_hba_info * pm8001_ha,u32 Qnum,u32 SEA,u32 port_id,u32 phyId,u32 param0,u32 param1)3137 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3138 u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3139 {
3140 struct hw_event_ack_req payload;
3141 u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3142
3143 memset((u8 *)&payload, 0, sizeof(payload));
3144 payload.tag = cpu_to_le32(1);
3145 payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3146 ((phyId & 0x0F) << 4) | (port_id & 0x0F));
3147 payload.param0 = cpu_to_le32(param0);
3148 payload.param1 = cpu_to_le32(param1);
3149
3150 pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload, sizeof(payload), 0);
3151 }
3152
3153 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3154 u32 phyId, u32 phy_op);
3155
3156 /**
3157 * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3158 * @pm8001_ha: our hba card information
3159 * @piomb: IO message buffer
3160 */
3161 static void
hw_event_sas_phy_up(struct pm8001_hba_info * pm8001_ha,void * piomb)3162 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3163 {
3164 struct hw_event_resp *pPayload =
3165 (struct hw_event_resp *)(piomb + 4);
3166 u32 lr_evt_status_phyid_portid =
3167 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3168 u8 link_rate =
3169 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3170 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3171 u8 phy_id =
3172 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3173 u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3174 u8 portstate = (u8)(npip_portstate & 0x0000000F);
3175 struct pm8001_port *port = &pm8001_ha->port[port_id];
3176 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3177 unsigned long flags;
3178 u8 deviceType = pPayload->sas_identify.dev_type;
3179 phy->port = port;
3180 port->port_id = port_id;
3181 port->port_state = portstate;
3182 phy->phy_state = PHY_STATE_LINK_UP_SPC;
3183 pm8001_dbg(pm8001_ha, MSG,
3184 "HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3185 port_id, phy_id);
3186
3187 switch (deviceType) {
3188 case SAS_PHY_UNUSED:
3189 pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3190 break;
3191 case SAS_END_DEVICE:
3192 pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3193 pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3194 PHY_NOTIFY_ENABLE_SPINUP);
3195 port->port_attached = 1;
3196 pm8001_get_lrate_mode(phy, link_rate);
3197 break;
3198 case SAS_EDGE_EXPANDER_DEVICE:
3199 pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3200 port->port_attached = 1;
3201 pm8001_get_lrate_mode(phy, link_rate);
3202 break;
3203 case SAS_FANOUT_EXPANDER_DEVICE:
3204 pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3205 port->port_attached = 1;
3206 pm8001_get_lrate_mode(phy, link_rate);
3207 break;
3208 default:
3209 pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3210 deviceType);
3211 break;
3212 }
3213 phy->phy_type |= PORT_TYPE_SAS;
3214 phy->identify.device_type = deviceType;
3215 phy->phy_attached = 1;
3216 if (phy->identify.device_type == SAS_END_DEVICE)
3217 phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3218 else if (phy->identify.device_type != SAS_PHY_UNUSED)
3219 phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3220 phy->sas_phy.oob_mode = SAS_OOB_MODE;
3221 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3222 spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3223 memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3224 sizeof(struct sas_identify_frame)-4);
3225 phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3226 pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3227 spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3228 if (pm8001_ha->flags == PM8001F_RUN_TIME)
3229 mdelay(200);/*delay a moment to wait disk to spinup*/
3230 pm8001_bytes_dmaed(pm8001_ha, phy_id);
3231 }
3232
3233 /**
3234 * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3235 * @pm8001_ha: our hba card information
3236 * @piomb: IO message buffer
3237 */
3238 static void
hw_event_sata_phy_up(struct pm8001_hba_info * pm8001_ha,void * piomb)3239 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3240 {
3241 struct hw_event_resp *pPayload =
3242 (struct hw_event_resp *)(piomb + 4);
3243 u32 lr_evt_status_phyid_portid =
3244 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3245 u8 link_rate =
3246 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3247 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3248 u8 phy_id =
3249 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3250 u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3251 u8 portstate = (u8)(npip_portstate & 0x0000000F);
3252 struct pm8001_port *port = &pm8001_ha->port[port_id];
3253 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3254 unsigned long flags;
3255 pm8001_dbg(pm8001_ha, DEVIO, "HW_EVENT_SATA_PHY_UP port id = %d, phy id = %d\n",
3256 port_id, phy_id);
3257 phy->port = port;
3258 port->port_id = port_id;
3259 port->port_state = portstate;
3260 phy->phy_state = PHY_STATE_LINK_UP_SPC;
3261 port->port_attached = 1;
3262 pm8001_get_lrate_mode(phy, link_rate);
3263 phy->phy_type |= PORT_TYPE_SATA;
3264 phy->phy_attached = 1;
3265 phy->sas_phy.oob_mode = SATA_OOB_MODE;
3266 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3267 spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3268 memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3269 sizeof(struct dev_to_host_fis));
3270 phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3271 phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3272 phy->identify.device_type = SAS_SATA_DEV;
3273 pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3274 spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3275 pm8001_bytes_dmaed(pm8001_ha, phy_id);
3276 }
3277
3278 /**
3279 * hw_event_phy_down -we should notify the libsas the phy is down.
3280 * @pm8001_ha: our hba card information
3281 * @piomb: IO message buffer
3282 */
3283 static void
hw_event_phy_down(struct pm8001_hba_info * pm8001_ha,void * piomb)3284 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3285 {
3286 struct hw_event_resp *pPayload =
3287 (struct hw_event_resp *)(piomb + 4);
3288 u32 lr_evt_status_phyid_portid =
3289 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3290 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3291 u8 phy_id =
3292 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3293 u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3294 u8 portstate = (u8)(npip_portstate & 0x0000000F);
3295 struct pm8001_port *port = &pm8001_ha->port[port_id];
3296 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3297 port->port_state = portstate;
3298 phy->phy_type = 0;
3299 phy->identify.device_type = 0;
3300 phy->phy_attached = 0;
3301 memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3302 switch (portstate) {
3303 case PORT_VALID:
3304 break;
3305 case PORT_INVALID:
3306 pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3307 port_id);
3308 pm8001_dbg(pm8001_ha, MSG,
3309 " Last phy Down and port invalid\n");
3310 port->port_attached = 0;
3311 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3312 port_id, phy_id, 0, 0);
3313 break;
3314 case PORT_IN_RESET:
3315 pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3316 port_id);
3317 break;
3318 case PORT_NOT_ESTABLISHED:
3319 pm8001_dbg(pm8001_ha, MSG,
3320 " phy Down and PORT_NOT_ESTABLISHED\n");
3321 port->port_attached = 0;
3322 break;
3323 case PORT_LOSTCOMM:
3324 pm8001_dbg(pm8001_ha, MSG, " phy Down and PORT_LOSTCOMM\n");
3325 pm8001_dbg(pm8001_ha, MSG,
3326 " Last phy Down and port invalid\n");
3327 port->port_attached = 0;
3328 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3329 port_id, phy_id, 0, 0);
3330 break;
3331 default:
3332 port->port_attached = 0;
3333 pm8001_dbg(pm8001_ha, DEVIO, " phy Down and(default) = %x\n",
3334 portstate);
3335 break;
3336
3337 }
3338 }
3339
3340 /**
3341 * pm8001_mpi_reg_resp -process register device ID response.
3342 * @pm8001_ha: our hba card information
3343 * @piomb: IO message buffer
3344 *
3345 * when sas layer find a device it will notify LLDD, then the driver register
3346 * the domain device to FW, this event is the return device ID which the FW
3347 * has assigned, from now, inter-communication with FW is no longer using the
3348 * SAS address, use device ID which FW assigned.
3349 */
pm8001_mpi_reg_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3350 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3351 {
3352 u32 status;
3353 u32 device_id;
3354 u32 htag;
3355 struct pm8001_ccb_info *ccb;
3356 struct pm8001_device *pm8001_dev;
3357 struct dev_reg_resp *registerRespPayload =
3358 (struct dev_reg_resp *)(piomb + 4);
3359
3360 htag = le32_to_cpu(registerRespPayload->tag);
3361 ccb = &pm8001_ha->ccb_info[htag];
3362 pm8001_dev = ccb->device;
3363 status = le32_to_cpu(registerRespPayload->status);
3364 device_id = le32_to_cpu(registerRespPayload->device_id);
3365 pm8001_dbg(pm8001_ha, INIT,
3366 "register device status %d phy_id 0x%x device_id %d\n",
3367 status, pm8001_dev->attached_phy, device_id);
3368 switch (status) {
3369 case DEVREG_SUCCESS:
3370 pm8001_dbg(pm8001_ha, MSG, "DEVREG_SUCCESS\n");
3371 pm8001_dev->device_id = device_id;
3372 break;
3373 case DEVREG_FAILURE_OUT_OF_RESOURCE:
3374 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_OUT_OF_RESOURCE\n");
3375 break;
3376 case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3377 pm8001_dbg(pm8001_ha, MSG,
3378 "DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n");
3379 break;
3380 case DEVREG_FAILURE_INVALID_PHY_ID:
3381 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_INVALID_PHY_ID\n");
3382 break;
3383 case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3384 pm8001_dbg(pm8001_ha, MSG,
3385 "DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n");
3386 break;
3387 case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3388 pm8001_dbg(pm8001_ha, MSG,
3389 "DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n");
3390 break;
3391 case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3392 pm8001_dbg(pm8001_ha, MSG,
3393 "DEVREG_FAILURE_PORT_NOT_VALID_STATE\n");
3394 break;
3395 case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3396 pm8001_dbg(pm8001_ha, MSG,
3397 "DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n");
3398 break;
3399 default:
3400 pm8001_dbg(pm8001_ha, MSG,
3401 "DEVREG_FAILURE_DEVICE_TYPE_NOT_SUPPORTED\n");
3402 break;
3403 }
3404 complete(pm8001_dev->dcompletion);
3405 pm8001_ccb_free(pm8001_ha, ccb);
3406 return 0;
3407 }
3408
pm8001_mpi_dereg_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3409 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3410 {
3411 u32 status;
3412 u32 device_id;
3413 struct dev_reg_resp *registerRespPayload =
3414 (struct dev_reg_resp *)(piomb + 4);
3415
3416 status = le32_to_cpu(registerRespPayload->status);
3417 device_id = le32_to_cpu(registerRespPayload->device_id);
3418 if (status != 0)
3419 pm8001_dbg(pm8001_ha, MSG,
3420 " deregister device failed ,status = %x, device_id = %x\n",
3421 status, device_id);
3422 return 0;
3423 }
3424
3425 /**
3426 * pm8001_mpi_fw_flash_update_resp - Response from FW for flash update command.
3427 * @pm8001_ha: our hba card information
3428 * @piomb: IO message buffer
3429 */
pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3430 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3431 void *piomb)
3432 {
3433 u32 status;
3434 struct fw_flash_Update_resp *ppayload =
3435 (struct fw_flash_Update_resp *)(piomb + 4);
3436 u32 tag = le32_to_cpu(ppayload->tag);
3437 struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3438
3439 status = le32_to_cpu(ppayload->status);
3440 switch (status) {
3441 case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3442 pm8001_dbg(pm8001_ha, MSG,
3443 ": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n");
3444 break;
3445 case FLASH_UPDATE_IN_PROGRESS:
3446 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_IN_PROGRESS\n");
3447 break;
3448 case FLASH_UPDATE_HDR_ERR:
3449 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HDR_ERR\n");
3450 break;
3451 case FLASH_UPDATE_OFFSET_ERR:
3452 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_OFFSET_ERR\n");
3453 break;
3454 case FLASH_UPDATE_CRC_ERR:
3455 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_CRC_ERR\n");
3456 break;
3457 case FLASH_UPDATE_LENGTH_ERR:
3458 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_LENGTH_ERR\n");
3459 break;
3460 case FLASH_UPDATE_HW_ERR:
3461 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HW_ERR\n");
3462 break;
3463 case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3464 pm8001_dbg(pm8001_ha, MSG,
3465 ": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n");
3466 break;
3467 case FLASH_UPDATE_DISABLED:
3468 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_DISABLED\n");
3469 break;
3470 default:
3471 pm8001_dbg(pm8001_ha, DEVIO, "No matched status = %d\n",
3472 status);
3473 break;
3474 }
3475 kfree(ccb->fw_control_context);
3476 pm8001_ccb_free(pm8001_ha, ccb);
3477 complete(pm8001_ha->nvmd_completion);
3478 return 0;
3479 }
3480
pm8001_mpi_general_event(struct pm8001_hba_info * pm8001_ha,void * piomb)3481 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3482 {
3483 u32 status;
3484 int i;
3485 struct general_event_resp *pPayload =
3486 (struct general_event_resp *)(piomb + 4);
3487 status = le32_to_cpu(pPayload->status);
3488 pm8001_dbg(pm8001_ha, MSG, " status = 0x%x\n", status);
3489 for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3490 pm8001_dbg(pm8001_ha, MSG, "inb_IOMB_payload[0x%x] 0x%x,\n",
3491 i,
3492 pPayload->inb_IOMB_payload[i]);
3493 return 0;
3494 }
3495
pm8001_mpi_task_abort_resp(struct pm8001_hba_info * pm8001_ha,void * piomb)3496 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3497 {
3498 struct sas_task *t;
3499 struct pm8001_ccb_info *ccb;
3500 unsigned long flags;
3501 u32 status ;
3502 u32 tag, scp;
3503 struct task_status_struct *ts;
3504 struct pm8001_device *pm8001_dev;
3505
3506 struct task_abort_resp *pPayload =
3507 (struct task_abort_resp *)(piomb + 4);
3508
3509 status = le32_to_cpu(pPayload->status);
3510 tag = le32_to_cpu(pPayload->tag);
3511
3512 scp = le32_to_cpu(pPayload->scp);
3513 ccb = &pm8001_ha->ccb_info[tag];
3514 t = ccb->task;
3515 pm8001_dev = ccb->device; /* retrieve device */
3516
3517 if (!t) {
3518 pm8001_dbg(pm8001_ha, FAIL, " TASK NULL. RETURNING !!!\n");
3519 return -1;
3520 }
3521
3522 if (t->task_proto == SAS_PROTOCOL_INTERNAL_ABORT)
3523 atomic_dec(&pm8001_dev->running_req);
3524
3525 ts = &t->task_status;
3526 if (status != 0)
3527 pm8001_dbg(pm8001_ha, FAIL, "task abort failed status 0x%x ,tag = 0x%x, scp= 0x%x\n",
3528 status, tag, scp);
3529 switch (status) {
3530 case IO_SUCCESS:
3531 pm8001_dbg(pm8001_ha, EH, "IO_SUCCESS\n");
3532 ts->resp = SAS_TASK_COMPLETE;
3533 ts->stat = SAS_SAM_STAT_GOOD;
3534 break;
3535 case IO_NOT_VALID:
3536 pm8001_dbg(pm8001_ha, EH, "IO_NOT_VALID\n");
3537 ts->resp = TMF_RESP_FUNC_FAILED;
3538 break;
3539 }
3540 spin_lock_irqsave(&t->task_state_lock, flags);
3541 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3542 t->task_state_flags |= SAS_TASK_STATE_DONE;
3543 spin_unlock_irqrestore(&t->task_state_lock, flags);
3544 pm8001_ccb_task_free(pm8001_ha, ccb);
3545 mb();
3546
3547 t->task_done(t);
3548
3549 return 0;
3550 }
3551
3552 /**
3553 * mpi_hw_event -The hw event has come.
3554 * @pm8001_ha: our hba card information
3555 * @piomb: IO message buffer
3556 */
mpi_hw_event(struct pm8001_hba_info * pm8001_ha,void * piomb)3557 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3558 {
3559 unsigned long flags;
3560 struct hw_event_resp *pPayload =
3561 (struct hw_event_resp *)(piomb + 4);
3562 u32 lr_evt_status_phyid_portid =
3563 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3564 u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3565 u8 phy_id =
3566 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3567 u16 eventType =
3568 (u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3569 u8 status =
3570 (u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3571 struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3572 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3573 struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3574 pm8001_dbg(pm8001_ha, DEVIO,
3575 "SPC HW event for portid:%d, phyid:%d, event:%x, status:%x\n",
3576 port_id, phy_id, eventType, status);
3577 switch (eventType) {
3578 case HW_EVENT_PHY_START_STATUS:
3579 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS status = %x\n",
3580 status);
3581 if (status == 0)
3582 phy->phy_state = 1;
3583
3584 if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3585 phy->enable_completion != NULL) {
3586 complete(phy->enable_completion);
3587 phy->enable_completion = NULL;
3588 }
3589 break;
3590 case HW_EVENT_SAS_PHY_UP:
3591 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3592 hw_event_sas_phy_up(pm8001_ha, piomb);
3593 break;
3594 case HW_EVENT_SATA_PHY_UP:
3595 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3596 hw_event_sata_phy_up(pm8001_ha, piomb);
3597 break;
3598 case HW_EVENT_PHY_STOP_STATUS:
3599 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_STOP_STATUS status = %x\n",
3600 status);
3601 if (status == 0)
3602 phy->phy_state = 0;
3603 break;
3604 case HW_EVENT_SATA_SPINUP_HOLD:
3605 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3606 sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3607 GFP_ATOMIC);
3608 break;
3609 case HW_EVENT_PHY_DOWN:
3610 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3611 sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3612 GFP_ATOMIC);
3613 phy->phy_attached = 0;
3614 phy->phy_state = 0;
3615 hw_event_phy_down(pm8001_ha, piomb);
3616 break;
3617 case HW_EVENT_PORT_INVALID:
3618 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3619 sas_phy_disconnected(sas_phy);
3620 phy->phy_attached = 0;
3621 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3622 GFP_ATOMIC);
3623 break;
3624 /* the broadcast change primitive received, tell the LIBSAS this event
3625 to revalidate the sas domain*/
3626 case HW_EVENT_BROADCAST_CHANGE:
3627 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3628 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3629 port_id, phy_id, 1, 0);
3630 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3631 sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3632 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3633 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3634 GFP_ATOMIC);
3635 break;
3636 case HW_EVENT_PHY_ERROR:
3637 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3638 sas_phy_disconnected(&phy->sas_phy);
3639 phy->phy_attached = 0;
3640 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3641 break;
3642 case HW_EVENT_BROADCAST_EXP:
3643 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3644 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3645 sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3646 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3647 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3648 GFP_ATOMIC);
3649 break;
3650 case HW_EVENT_LINK_ERR_INVALID_DWORD:
3651 pm8001_dbg(pm8001_ha, MSG,
3652 "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3653 pm8001_hw_event_ack_req(pm8001_ha, 0,
3654 HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3655 sas_phy_disconnected(sas_phy);
3656 phy->phy_attached = 0;
3657 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3658 GFP_ATOMIC);
3659 break;
3660 case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3661 pm8001_dbg(pm8001_ha, MSG,
3662 "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3663 pm8001_hw_event_ack_req(pm8001_ha, 0,
3664 HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3665 port_id, phy_id, 0, 0);
3666 sas_phy_disconnected(sas_phy);
3667 phy->phy_attached = 0;
3668 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3669 GFP_ATOMIC);
3670 break;
3671 case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3672 pm8001_dbg(pm8001_ha, MSG,
3673 "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3674 pm8001_hw_event_ack_req(pm8001_ha, 0,
3675 HW_EVENT_LINK_ERR_CODE_VIOLATION,
3676 port_id, phy_id, 0, 0);
3677 sas_phy_disconnected(sas_phy);
3678 phy->phy_attached = 0;
3679 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3680 GFP_ATOMIC);
3681 break;
3682 case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3683 pm8001_dbg(pm8001_ha, MSG,
3684 "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3685 pm8001_hw_event_ack_req(pm8001_ha, 0,
3686 HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3687 port_id, phy_id, 0, 0);
3688 sas_phy_disconnected(sas_phy);
3689 phy->phy_attached = 0;
3690 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3691 GFP_ATOMIC);
3692 break;
3693 case HW_EVENT_MALFUNCTION:
3694 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3695 break;
3696 case HW_EVENT_BROADCAST_SES:
3697 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3698 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3699 sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3700 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3701 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3702 GFP_ATOMIC);
3703 break;
3704 case HW_EVENT_INBOUND_CRC_ERROR:
3705 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3706 pm8001_hw_event_ack_req(pm8001_ha, 0,
3707 HW_EVENT_INBOUND_CRC_ERROR,
3708 port_id, phy_id, 0, 0);
3709 break;
3710 case HW_EVENT_HARD_RESET_RECEIVED:
3711 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3712 sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3713 break;
3714 case HW_EVENT_ID_FRAME_TIMEOUT:
3715 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3716 sas_phy_disconnected(sas_phy);
3717 phy->phy_attached = 0;
3718 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3719 GFP_ATOMIC);
3720 break;
3721 case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3722 pm8001_dbg(pm8001_ha, MSG,
3723 "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3724 pm8001_hw_event_ack_req(pm8001_ha, 0,
3725 HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3726 port_id, phy_id, 0, 0);
3727 sas_phy_disconnected(sas_phy);
3728 phy->phy_attached = 0;
3729 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3730 GFP_ATOMIC);
3731 break;
3732 case HW_EVENT_PORT_RESET_TIMER_TMO:
3733 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3734 sas_phy_disconnected(sas_phy);
3735 phy->phy_attached = 0;
3736 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3737 GFP_ATOMIC);
3738 break;
3739 case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3740 pm8001_dbg(pm8001_ha, MSG,
3741 "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3742 sas_phy_disconnected(sas_phy);
3743 phy->phy_attached = 0;
3744 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3745 GFP_ATOMIC);
3746 break;
3747 case HW_EVENT_PORT_RECOVER:
3748 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3749 break;
3750 case HW_EVENT_PORT_RESET_COMPLETE:
3751 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3752 break;
3753 case EVENT_BROADCAST_ASYNCH_EVENT:
3754 pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3755 break;
3756 default:
3757 pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type = %x\n",
3758 eventType);
3759 break;
3760 }
3761 return 0;
3762 }
3763
3764 /**
3765 * process_one_iomb - process one outbound Queue memory block
3766 * @pm8001_ha: our hba card information
3767 * @piomb: IO message buffer
3768 */
process_one_iomb(struct pm8001_hba_info * pm8001_ha,void * piomb)3769 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3770 {
3771 __le32 pHeader = *(__le32 *)piomb;
3772 u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3773
3774 pm8001_dbg(pm8001_ha, MSG, "process_one_iomb:\n");
3775
3776 switch (opc) {
3777 case OPC_OUB_ECHO:
3778 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3779 break;
3780 case OPC_OUB_HW_EVENT:
3781 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3782 mpi_hw_event(pm8001_ha, piomb);
3783 break;
3784 case OPC_OUB_SSP_COMP:
3785 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3786 mpi_ssp_completion(pm8001_ha, piomb);
3787 break;
3788 case OPC_OUB_SMP_COMP:
3789 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3790 mpi_smp_completion(pm8001_ha, piomb);
3791 break;
3792 case OPC_OUB_LOCAL_PHY_CNTRL:
3793 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3794 pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3795 break;
3796 case OPC_OUB_DEV_REGIST:
3797 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3798 pm8001_mpi_reg_resp(pm8001_ha, piomb);
3799 break;
3800 case OPC_OUB_DEREG_DEV:
3801 pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3802 pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3803 break;
3804 case OPC_OUB_GET_DEV_HANDLE:
3805 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3806 break;
3807 case OPC_OUB_SATA_COMP:
3808 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3809 mpi_sata_completion(pm8001_ha, piomb);
3810 break;
3811 case OPC_OUB_SATA_EVENT:
3812 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3813 mpi_sata_event(pm8001_ha, piomb);
3814 break;
3815 case OPC_OUB_SSP_EVENT:
3816 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3817 mpi_ssp_event(pm8001_ha, piomb);
3818 break;
3819 case OPC_OUB_DEV_HANDLE_ARRIV:
3820 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3821 /*This is for target*/
3822 break;
3823 case OPC_OUB_SSP_RECV_EVENT:
3824 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3825 /*This is for target*/
3826 break;
3827 case OPC_OUB_DEV_INFO:
3828 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_INFO\n");
3829 break;
3830 case OPC_OUB_FW_FLASH_UPDATE:
3831 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3832 pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3833 break;
3834 case OPC_OUB_GPIO_RESPONSE:
3835 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3836 break;
3837 case OPC_OUB_GPIO_EVENT:
3838 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3839 break;
3840 case OPC_OUB_GENERAL_EVENT:
3841 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3842 pm8001_mpi_general_event(pm8001_ha, piomb);
3843 break;
3844 case OPC_OUB_SSP_ABORT_RSP:
3845 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3846 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3847 break;
3848 case OPC_OUB_SATA_ABORT_RSP:
3849 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3850 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3851 break;
3852 case OPC_OUB_SAS_DIAG_MODE_START_END:
3853 pm8001_dbg(pm8001_ha, MSG,
3854 "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3855 break;
3856 case OPC_OUB_SAS_DIAG_EXECUTE:
3857 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3858 break;
3859 case OPC_OUB_GET_TIME_STAMP:
3860 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3861 break;
3862 case OPC_OUB_SAS_HW_EVENT_ACK:
3863 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3864 break;
3865 case OPC_OUB_PORT_CONTROL:
3866 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
3867 break;
3868 case OPC_OUB_SMP_ABORT_RSP:
3869 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3870 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3871 break;
3872 case OPC_OUB_GET_NVMD_DATA:
3873 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3874 pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3875 break;
3876 case OPC_OUB_SET_NVMD_DATA:
3877 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3878 pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3879 break;
3880 case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3881 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
3882 break;
3883 case OPC_OUB_SET_DEVICE_STATE:
3884 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
3885 pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3886 break;
3887 case OPC_OUB_GET_DEVICE_STATE:
3888 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
3889 break;
3890 case OPC_OUB_SET_DEV_INFO:
3891 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
3892 break;
3893 case OPC_OUB_SAS_RE_INITIALIZE:
3894 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_RE_INITIALIZE\n");
3895 break;
3896 default:
3897 pm8001_dbg(pm8001_ha, DEVIO,
3898 "Unknown outbound Queue IOMB OPC = %x\n",
3899 opc);
3900 break;
3901 }
3902 }
3903
process_oq(struct pm8001_hba_info * pm8001_ha,u8 vec)3904 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3905 {
3906 struct outbound_queue_table *circularQ;
3907 void *pMsg1 = NULL;
3908 u8 bc;
3909 u32 ret = MPI_IO_STATUS_FAIL;
3910 unsigned long flags;
3911
3912 spin_lock_irqsave(&pm8001_ha->lock, flags);
3913 circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3914 do {
3915 ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3916 if (MPI_IO_STATUS_SUCCESS == ret) {
3917 /* process the outbound message */
3918 process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3919 /* free the message from the outbound circular buffer */
3920 pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3921 circularQ, bc);
3922 }
3923 if (MPI_IO_STATUS_BUSY == ret) {
3924 /* Update the producer index from SPC */
3925 circularQ->producer_index =
3926 cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3927 if (le32_to_cpu(circularQ->producer_index) ==
3928 circularQ->consumer_idx)
3929 /* OQ is empty */
3930 break;
3931 }
3932 } while (1);
3933 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3934 return ret;
3935 }
3936
3937 /* DMA_... to our direction translation. */
3938 static const u8 data_dir_flags[] = {
3939 [DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */
3940 [DMA_TO_DEVICE] = DATA_DIR_OUT, /* OUTBOUND */
3941 [DMA_FROM_DEVICE] = DATA_DIR_IN, /* INBOUND */
3942 [DMA_NONE] = DATA_DIR_NONE, /* NO TRANSFER */
3943 };
3944 void
pm8001_chip_make_sg(struct scatterlist * scatter,int nr,void * prd)3945 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
3946 {
3947 int i;
3948 struct scatterlist *sg;
3949 struct pm8001_prd *buf_prd = prd;
3950
3951 for_each_sg(scatter, sg, nr, i) {
3952 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
3953 buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
3954 buf_prd->im_len.e = 0;
3955 buf_prd++;
3956 }
3957 }
3958
build_smp_cmd(u32 deviceID,__le32 hTag,struct smp_req * psmp_cmd)3959 static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
3960 {
3961 psmp_cmd->tag = hTag;
3962 psmp_cmd->device_id = cpu_to_le32(deviceID);
3963 psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3964 }
3965
3966 /**
3967 * pm8001_chip_smp_req - send a SMP task to FW
3968 * @pm8001_ha: our hba card information.
3969 * @ccb: the ccb information this request used.
3970 */
pm8001_chip_smp_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)3971 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3972 struct pm8001_ccb_info *ccb)
3973 {
3974 int elem, rc;
3975 struct sas_task *task = ccb->task;
3976 struct domain_device *dev = task->dev;
3977 struct pm8001_device *pm8001_dev = dev->lldd_dev;
3978 struct scatterlist *sg_req, *sg_resp;
3979 u32 req_len, resp_len;
3980 struct smp_req smp_cmd;
3981 u32 opc;
3982
3983 memset(&smp_cmd, 0, sizeof(smp_cmd));
3984 /*
3985 * DMA-map SMP request, response buffers
3986 */
3987 sg_req = &task->smp_task.smp_req;
3988 elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
3989 if (!elem)
3990 return -ENOMEM;
3991 req_len = sg_dma_len(sg_req);
3992
3993 sg_resp = &task->smp_task.smp_resp;
3994 elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
3995 if (!elem) {
3996 rc = -ENOMEM;
3997 goto err_out;
3998 }
3999 resp_len = sg_dma_len(sg_resp);
4000 /* must be in dwords */
4001 if ((req_len & 0x3) || (resp_len & 0x3)) {
4002 rc = -EINVAL;
4003 goto err_out_2;
4004 }
4005
4006 opc = OPC_INB_SMP_REQUEST;
4007 smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4008 smp_cmd.long_smp_req.long_req_addr =
4009 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4010 smp_cmd.long_smp_req.long_req_size =
4011 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4012 smp_cmd.long_smp_req.long_resp_addr =
4013 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
4014 smp_cmd.long_smp_req.long_resp_size =
4015 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4016 build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
4017 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc,
4018 &smp_cmd, sizeof(smp_cmd), 0);
4019 if (rc)
4020 goto err_out_2;
4021
4022 return 0;
4023
4024 err_out_2:
4025 dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4026 DMA_FROM_DEVICE);
4027 err_out:
4028 dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4029 DMA_TO_DEVICE);
4030 return rc;
4031 }
4032
4033 /**
4034 * pm8001_chip_ssp_io_req - send a SSP task to FW
4035 * @pm8001_ha: our hba card information.
4036 * @ccb: the ccb information this request used.
4037 */
pm8001_chip_ssp_io_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)4038 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4039 struct pm8001_ccb_info *ccb)
4040 {
4041 struct sas_task *task = ccb->task;
4042 struct domain_device *dev = task->dev;
4043 struct pm8001_device *pm8001_dev = dev->lldd_dev;
4044 struct ssp_ini_io_start_req ssp_cmd;
4045 u32 tag = ccb->ccb_tag;
4046 u64 phys_addr;
4047 u32 opc = OPC_INB_SSPINIIOSTART;
4048 memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4049 memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4050 ssp_cmd.dir_m_tlr =
4051 cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
4052 SAS 1.1 compatible TLR*/
4053 ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4054 ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4055 ssp_cmd.tag = cpu_to_le32(tag);
4056 ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4057 memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4058 task->ssp_task.cmd->cmd_len);
4059
4060 /* fill in PRD (scatter/gather) table, if any */
4061 if (task->num_scatter > 1) {
4062 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4063 phys_addr = ccb->ccb_dma_handle;
4064 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4065 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4066 ssp_cmd.esgl = cpu_to_le32(1<<31);
4067 } else if (task->num_scatter == 1) {
4068 u64 dma_addr = sg_dma_address(task->scatter);
4069 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4070 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4071 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4072 ssp_cmd.esgl = 0;
4073 } else if (task->num_scatter == 0) {
4074 ssp_cmd.addr_low = 0;
4075 ssp_cmd.addr_high = 0;
4076 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4077 ssp_cmd.esgl = 0;
4078 }
4079
4080 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &ssp_cmd,
4081 sizeof(ssp_cmd), 0);
4082 }
4083
pm8001_chip_sata_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)4084 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4085 struct pm8001_ccb_info *ccb)
4086 {
4087 struct sas_task *task = ccb->task;
4088 struct domain_device *dev = task->dev;
4089 struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4090 u32 tag = ccb->ccb_tag;
4091 struct sata_start_req sata_cmd;
4092 u32 hdr_tag, ncg_tag = 0;
4093 u64 phys_addr;
4094 u32 ATAP = 0x0;
4095 u32 dir, retfis = 0;
4096 u32 opc = OPC_INB_SATA_HOST_OPSTART;
4097
4098 memset(&sata_cmd, 0, sizeof(sata_cmd));
4099
4100 if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) {
4101 ATAP = 0x04; /* no data*/
4102 pm8001_dbg(pm8001_ha, IO, "no data\n");
4103 } else if (likely(!task->ata_task.device_control_reg_update)) {
4104 if (task->ata_task.use_ncq &&
4105 dev->sata_dev.class != ATA_DEV_ATAPI) {
4106 ATAP = 0x07; /* FPDMA */
4107 pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4108 } else if (task->ata_task.dma_xfer) {
4109 ATAP = 0x06; /* DMA */
4110 pm8001_dbg(pm8001_ha, IO, "DMA\n");
4111 } else {
4112 ATAP = 0x05; /* PIO*/
4113 pm8001_dbg(pm8001_ha, IO, "PIO\n");
4114 }
4115 }
4116 if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4117 task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4118 ncg_tag = hdr_tag;
4119 }
4120 dir = data_dir_flags[task->data_dir] << 8;
4121 sata_cmd.tag = cpu_to_le32(tag);
4122 sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4123 sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4124 if (task->ata_task.return_fis_on_success)
4125 retfis = 1;
4126 sata_cmd.retfis_ncqtag_atap_dir_m =
4127 cpu_to_le32((retfis << 24) | ((ncg_tag & 0xff) << 16) |
4128 ((ATAP & 0x3f) << 10) | dir);
4129 sata_cmd.sata_fis = task->ata_task.fis;
4130 if (likely(!task->ata_task.device_control_reg_update))
4131 sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4132 sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4133 /* fill in PRD (scatter/gather) table, if any */
4134 if (task->num_scatter > 1) {
4135 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4136 phys_addr = ccb->ccb_dma_handle;
4137 sata_cmd.addr_low = lower_32_bits(phys_addr);
4138 sata_cmd.addr_high = upper_32_bits(phys_addr);
4139 sata_cmd.esgl = cpu_to_le32(1 << 31);
4140 } else if (task->num_scatter == 1) {
4141 u64 dma_addr = sg_dma_address(task->scatter);
4142 sata_cmd.addr_low = lower_32_bits(dma_addr);
4143 sata_cmd.addr_high = upper_32_bits(dma_addr);
4144 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4145 sata_cmd.esgl = 0;
4146 } else if (task->num_scatter == 0) {
4147 sata_cmd.addr_low = 0;
4148 sata_cmd.addr_high = 0;
4149 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4150 sata_cmd.esgl = 0;
4151 }
4152
4153 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
4154 sizeof(sata_cmd), 0);
4155 }
4156
4157 /**
4158 * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4159 * @pm8001_ha: our hba card information.
4160 * @phy_id: the phy id which we wanted to start up.
4161 */
4162 static int
pm8001_chip_phy_start_req(struct pm8001_hba_info * pm8001_ha,u8 phy_id)4163 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4164 {
4165 struct phy_start_req payload;
4166 u32 tag = 0x01;
4167 u32 opcode = OPC_INB_PHYSTART;
4168
4169 memset(&payload, 0, sizeof(payload));
4170 payload.tag = cpu_to_le32(tag);
4171 /*
4172 ** [0:7] PHY Identifier
4173 ** [8:11] link rate 1.5G, 3G, 6G
4174 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4175 ** [14] 0b disable spin up hold; 1b enable spin up hold
4176 */
4177 payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4178 LINKMODE_AUTO | LINKRATE_15 |
4179 LINKRATE_30 | LINKRATE_60 | phy_id);
4180 payload.sas_identify.dev_type = SAS_END_DEVICE;
4181 payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4182 memcpy(payload.sas_identify.sas_addr,
4183 &pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
4184 payload.sas_identify.phy_id = phy_id;
4185
4186 return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4187 sizeof(payload), 0);
4188 }
4189
4190 /**
4191 * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4192 * @pm8001_ha: our hba card information.
4193 * @phy_id: the phy id which we wanted to start up.
4194 */
pm8001_chip_phy_stop_req(struct pm8001_hba_info * pm8001_ha,u8 phy_id)4195 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4196 u8 phy_id)
4197 {
4198 struct phy_stop_req payload;
4199 u32 tag = 0x01;
4200 u32 opcode = OPC_INB_PHYSTOP;
4201
4202 memset(&payload, 0, sizeof(payload));
4203 payload.tag = cpu_to_le32(tag);
4204 payload.phy_id = cpu_to_le32(phy_id);
4205
4206 return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4207 sizeof(payload), 0);
4208 }
4209
4210 /*
4211 * see comments on pm8001_mpi_reg_resp.
4212 */
pm8001_chip_reg_dev_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_device * pm8001_dev,u32 flag)4213 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4214 struct pm8001_device *pm8001_dev, u32 flag)
4215 {
4216 struct reg_dev_req payload;
4217 u32 opc;
4218 u32 stp_sspsmp_sata = 0x4;
4219 u32 linkrate, phy_id;
4220 int rc;
4221 struct pm8001_ccb_info *ccb;
4222 u8 retryFlag = 0x1;
4223 u16 firstBurstSize = 0;
4224 u16 ITNT = 2000;
4225 struct domain_device *dev = pm8001_dev->sas_device;
4226 struct domain_device *parent_dev = dev->parent;
4227 struct pm8001_port *port = dev->port->lldd_port;
4228
4229 memset(&payload, 0, sizeof(payload));
4230 ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4231 if (!ccb)
4232 return -SAS_QUEUE_FULL;
4233
4234 payload.tag = cpu_to_le32(ccb->ccb_tag);
4235 if (flag == 1)
4236 stp_sspsmp_sata = 0x02; /*direct attached sata */
4237 else {
4238 if (pm8001_dev->dev_type == SAS_SATA_DEV)
4239 stp_sspsmp_sata = 0x00; /* stp*/
4240 else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4241 dev_is_expander(pm8001_dev->dev_type))
4242 stp_sspsmp_sata = 0x01; /*ssp or smp*/
4243 }
4244 if (parent_dev && dev_is_expander(parent_dev->dev_type))
4245 phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4246 else
4247 phy_id = pm8001_dev->attached_phy;
4248 opc = OPC_INB_REG_DEV;
4249 linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4250 pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4251 payload.phyid_portid =
4252 cpu_to_le32(((port->port_id) & 0x0F) |
4253 ((phy_id & 0x0F) << 4));
4254 payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4255 ((linkrate & 0x0F) * 0x1000000) |
4256 ((stp_sspsmp_sata & 0x03) * 0x10000000));
4257 payload.firstburstsize_ITNexustimeout =
4258 cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4259 memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4260 SAS_ADDR_SIZE);
4261
4262 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4263 sizeof(payload), 0);
4264 if (rc)
4265 pm8001_ccb_free(pm8001_ha, ccb);
4266
4267 return rc;
4268 }
4269
4270 /*
4271 * see comments on pm8001_mpi_reg_resp.
4272 */
pm8001_chip_dereg_dev_req(struct pm8001_hba_info * pm8001_ha,u32 device_id)4273 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4274 u32 device_id)
4275 {
4276 struct dereg_dev_req payload;
4277 u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4278
4279 memset(&payload, 0, sizeof(payload));
4280 payload.tag = cpu_to_le32(1);
4281 payload.device_id = cpu_to_le32(device_id);
4282 pm8001_dbg(pm8001_ha, INIT, "unregister device device_id %d\n",
4283 device_id);
4284
4285 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4286 sizeof(payload), 0);
4287 }
4288
4289 /**
4290 * pm8001_chip_phy_ctl_req - support the local phy operation
4291 * @pm8001_ha: our hba card information.
4292 * @phyId: the phy id which we wanted to operate
4293 * @phy_op: the phy operation to request
4294 */
pm8001_chip_phy_ctl_req(struct pm8001_hba_info * pm8001_ha,u32 phyId,u32 phy_op)4295 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4296 u32 phyId, u32 phy_op)
4297 {
4298 struct local_phy_ctl_req payload;
4299 u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4300
4301 memset(&payload, 0, sizeof(payload));
4302 payload.tag = cpu_to_le32(1);
4303 payload.phyop_phyid =
4304 cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4305
4306 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4307 sizeof(payload), 0);
4308 }
4309
pm8001_chip_is_our_interrupt(struct pm8001_hba_info * pm8001_ha)4310 static u32 pm8001_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4311 {
4312 #ifdef PM8001_USE_MSIX
4313 return 1;
4314 #else
4315 u32 value;
4316
4317 value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4318 if (value)
4319 return 1;
4320 return 0;
4321 #endif
4322 }
4323
4324 /**
4325 * pm8001_chip_isr - PM8001 isr handler.
4326 * @pm8001_ha: our hba card information.
4327 * @vec: IRQ number
4328 */
4329 static irqreturn_t
pm8001_chip_isr(struct pm8001_hba_info * pm8001_ha,u8 vec)4330 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4331 {
4332 pm8001_chip_interrupt_disable(pm8001_ha, vec);
4333 pm8001_dbg(pm8001_ha, DEVIO,
4334 "irq vec %d, ODMR:0x%x\n",
4335 vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4336 process_oq(pm8001_ha, vec);
4337 pm8001_chip_interrupt_enable(pm8001_ha, vec);
4338 return IRQ_HANDLED;
4339 }
4340
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)4341 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4342 u32 dev_id, enum sas_internal_abort type, u32 task_tag, u32 cmd_tag)
4343 {
4344 struct task_abort_req task_abort;
4345
4346 memset(&task_abort, 0, sizeof(task_abort));
4347 if (type == SAS_INTERNAL_ABORT_SINGLE) {
4348 task_abort.abort_all = 0;
4349 task_abort.device_id = cpu_to_le32(dev_id);
4350 task_abort.tag_to_abort = cpu_to_le32(task_tag);
4351 } else if (type == SAS_INTERNAL_ABORT_DEV) {
4352 task_abort.abort_all = cpu_to_le32(1);
4353 task_abort.device_id = cpu_to_le32(dev_id);
4354 } else {
4355 pm8001_dbg(pm8001_ha, EH, "unknown type (%d)\n", type);
4356 return -EIO;
4357 }
4358
4359 task_abort.tag = cpu_to_le32(cmd_tag);
4360
4361 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
4362 sizeof(task_abort), 0);
4363 }
4364
4365 /*
4366 * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4367 */
pm8001_chip_abort_task(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)4368 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4369 struct pm8001_ccb_info *ccb)
4370 {
4371 struct sas_task *task = ccb->task;
4372 struct sas_internal_abort_task *abort = &task->abort_task;
4373 struct pm8001_device *pm8001_dev = ccb->device;
4374 int rc = TMF_RESP_FUNC_FAILED;
4375 u32 opc, device_id;
4376
4377 pm8001_dbg(pm8001_ha, EH, "cmd_tag = %x, abort task tag = 0x%x\n",
4378 ccb->ccb_tag, abort->tag);
4379 if (pm8001_dev->dev_type == SAS_END_DEVICE)
4380 opc = OPC_INB_SSP_ABORT;
4381 else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4382 opc = OPC_INB_SATA_ABORT;
4383 else
4384 opc = OPC_INB_SMP_ABORT;/* SMP */
4385 device_id = pm8001_dev->device_id;
4386 rc = send_task_abort(pm8001_ha, opc, device_id, abort->type,
4387 abort->tag, ccb->ccb_tag);
4388 if (rc != TMF_RESP_FUNC_COMPLETE)
4389 pm8001_dbg(pm8001_ha, EH, "rc= %d\n", rc);
4390 return rc;
4391 }
4392
4393 /**
4394 * pm8001_chip_ssp_tm_req - built the task management command.
4395 * @pm8001_ha: our hba card information.
4396 * @ccb: the ccb information.
4397 * @tmf: task management function.
4398 */
pm8001_chip_ssp_tm_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb,struct sas_tmf_task * tmf)4399 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4400 struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf)
4401 {
4402 struct sas_task *task = ccb->task;
4403 struct domain_device *dev = task->dev;
4404 struct pm8001_device *pm8001_dev = dev->lldd_dev;
4405 u32 opc = OPC_INB_SSPINITMSTART;
4406 struct ssp_ini_tm_start_req sspTMCmd;
4407
4408 memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4409 sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4410 sspTMCmd.relate_tag = cpu_to_le32((u32)tmf->tag_of_task_to_be_managed);
4411 sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4412 memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4413 sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4414 if (pm8001_ha->chip_id != chip_8001)
4415 sspTMCmd.ds_ads_m = cpu_to_le32(0x08);
4416
4417 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sspTMCmd,
4418 sizeof(sspTMCmd), 0);
4419 }
4420
pm8001_chip_get_nvmd_req(struct pm8001_hba_info * pm8001_ha,void * payload)4421 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4422 void *payload)
4423 {
4424 u32 opc = OPC_INB_GET_NVMD_DATA;
4425 u32 nvmd_type;
4426 int rc;
4427 struct pm8001_ccb_info *ccb;
4428 struct get_nvm_data_req nvmd_req;
4429 struct fw_control_ex *fw_control_context;
4430 struct pm8001_ioctl_payload *ioctl_payload = payload;
4431
4432 nvmd_type = ioctl_payload->minor_function;
4433 fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4434 if (!fw_control_context)
4435 return -ENOMEM;
4436 fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4437 fw_control_context->len = ioctl_payload->rd_length;
4438 memset(&nvmd_req, 0, sizeof(nvmd_req));
4439
4440 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4441 if (!ccb) {
4442 kfree(fw_control_context);
4443 return -SAS_QUEUE_FULL;
4444 }
4445 ccb->fw_control_context = fw_control_context;
4446
4447 nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4448
4449 switch (nvmd_type) {
4450 case TWI_DEVICE: {
4451 u32 twi_addr, twi_page_size;
4452 twi_addr = 0xa8;
4453 twi_page_size = 2;
4454
4455 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4456 twi_page_size << 8 | TWI_DEVICE);
4457 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4458 nvmd_req.resp_addr_hi =
4459 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4460 nvmd_req.resp_addr_lo =
4461 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4462 break;
4463 }
4464 case C_SEEPROM: {
4465 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4466 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4467 nvmd_req.resp_addr_hi =
4468 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4469 nvmd_req.resp_addr_lo =
4470 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4471 break;
4472 }
4473 case VPD_FLASH: {
4474 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4475 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4476 nvmd_req.resp_addr_hi =
4477 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4478 nvmd_req.resp_addr_lo =
4479 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4480 break;
4481 }
4482 case EXPAN_ROM: {
4483 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4484 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4485 nvmd_req.resp_addr_hi =
4486 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4487 nvmd_req.resp_addr_lo =
4488 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4489 break;
4490 }
4491 case IOP_RDUMP: {
4492 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4493 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4494 nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
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 default:
4502 break;
4503 }
4504
4505 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4506 sizeof(nvmd_req), 0);
4507 if (rc) {
4508 kfree(fw_control_context);
4509 pm8001_ccb_free(pm8001_ha, ccb);
4510 }
4511 return rc;
4512 }
4513
pm8001_chip_set_nvmd_req(struct pm8001_hba_info * pm8001_ha,void * payload)4514 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4515 void *payload)
4516 {
4517 u32 opc = OPC_INB_SET_NVMD_DATA;
4518 u32 nvmd_type;
4519 int rc;
4520 struct pm8001_ccb_info *ccb;
4521 struct set_nvm_data_req nvmd_req;
4522 struct fw_control_ex *fw_control_context;
4523 struct pm8001_ioctl_payload *ioctl_payload = payload;
4524
4525 nvmd_type = ioctl_payload->minor_function;
4526 fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4527 if (!fw_control_context)
4528 return -ENOMEM;
4529
4530 memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4531 &ioctl_payload->func_specific,
4532 ioctl_payload->wr_length);
4533 memset(&nvmd_req, 0, sizeof(nvmd_req));
4534
4535 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4536 if (!ccb) {
4537 kfree(fw_control_context);
4538 return -SAS_QUEUE_FULL;
4539 }
4540 ccb->fw_control_context = fw_control_context;
4541
4542 nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4543 switch (nvmd_type) {
4544 case TWI_DEVICE: {
4545 u32 twi_addr, twi_page_size;
4546 twi_addr = 0xa8;
4547 twi_page_size = 2;
4548 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4549 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4550 twi_page_size << 8 | TWI_DEVICE);
4551 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4552 nvmd_req.resp_addr_hi =
4553 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4554 nvmd_req.resp_addr_lo =
4555 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4556 break;
4557 }
4558 case C_SEEPROM:
4559 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4560 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4561 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4562 nvmd_req.resp_addr_hi =
4563 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4564 nvmd_req.resp_addr_lo =
4565 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4566 break;
4567 case VPD_FLASH:
4568 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4569 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4570 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4571 nvmd_req.resp_addr_hi =
4572 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4573 nvmd_req.resp_addr_lo =
4574 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4575 break;
4576 case EXPAN_ROM:
4577 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4578 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4579 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4580 nvmd_req.resp_addr_hi =
4581 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4582 nvmd_req.resp_addr_lo =
4583 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4584 break;
4585 default:
4586 break;
4587 }
4588
4589 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4590 sizeof(nvmd_req), 0);
4591 if (rc) {
4592 kfree(fw_control_context);
4593 pm8001_ccb_free(pm8001_ha, ccb);
4594 }
4595 return rc;
4596 }
4597
4598 /**
4599 * pm8001_chip_fw_flash_update_build - support the firmware update operation
4600 * @pm8001_ha: our hba card information.
4601 * @fw_flash_updata_info: firmware flash update param
4602 * @tag: Tag to apply to the payload
4603 */
4604 int
pm8001_chip_fw_flash_update_build(struct pm8001_hba_info * pm8001_ha,void * fw_flash_updata_info,u32 tag)4605 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4606 void *fw_flash_updata_info, u32 tag)
4607 {
4608 struct fw_flash_Update_req payload;
4609 struct fw_flash_updata_info *info;
4610 u32 opc = OPC_INB_FW_FLASH_UPDATE;
4611
4612 memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4613 info = fw_flash_updata_info;
4614 payload.tag = cpu_to_le32(tag);
4615 payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4616 payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4617 payload.total_image_len = cpu_to_le32(info->total_image_len);
4618 payload.len = info->sgl.im_len.len ;
4619 payload.sgl_addr_lo =
4620 cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4621 payload.sgl_addr_hi =
4622 cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4623
4624 return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4625 sizeof(payload), 0);
4626 }
4627
4628 int
pm8001_chip_fw_flash_update_req(struct pm8001_hba_info * pm8001_ha,void * payload)4629 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4630 void *payload)
4631 {
4632 struct fw_flash_updata_info flash_update_info;
4633 struct fw_control_info *fw_control;
4634 struct fw_control_ex *fw_control_context;
4635 int rc;
4636 struct pm8001_ccb_info *ccb;
4637 void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4638 dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
4639 struct pm8001_ioctl_payload *ioctl_payload = payload;
4640
4641 fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4642 if (!fw_control_context)
4643 return -ENOMEM;
4644 fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4645 pm8001_dbg(pm8001_ha, DEVIO,
4646 "dma fw_control context input length :%x\n",
4647 fw_control->len);
4648 memcpy(buffer, fw_control->buffer, fw_control->len);
4649 flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4650 flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4651 flash_update_info.sgl.im_len.e = 0;
4652 flash_update_info.cur_image_offset = fw_control->offset;
4653 flash_update_info.cur_image_len = fw_control->len;
4654 flash_update_info.total_image_len = fw_control->size;
4655 fw_control_context->fw_control = fw_control;
4656 fw_control_context->virtAddr = buffer;
4657 fw_control_context->phys_addr = phys_addr;
4658 fw_control_context->len = fw_control->len;
4659
4660 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4661 if (!ccb) {
4662 kfree(fw_control_context);
4663 return -SAS_QUEUE_FULL;
4664 }
4665 ccb->fw_control_context = fw_control_context;
4666
4667 rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4668 ccb->ccb_tag);
4669 if (rc) {
4670 kfree(fw_control_context);
4671 pm8001_ccb_free(pm8001_ha, ccb);
4672 }
4673
4674 return rc;
4675 }
4676
4677 ssize_t
pm8001_get_gsm_dump(struct device * cdev,u32 length,char * buf)4678 pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4679 {
4680 u32 value, rem, offset = 0, bar = 0;
4681 u32 index, work_offset, dw_length;
4682 u32 shift_value, gsm_base, gsm_dump_offset;
4683 char *direct_data;
4684 struct Scsi_Host *shost = class_to_shost(cdev);
4685 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4686 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4687
4688 direct_data = buf;
4689 gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
4690
4691 /* check max is 1 Mbytes */
4692 if ((length > 0x100000) || (gsm_dump_offset & 3) ||
4693 ((gsm_dump_offset + length) > 0x1000000))
4694 return -EINVAL;
4695
4696 if (pm8001_ha->chip_id == chip_8001)
4697 bar = 2;
4698 else
4699 bar = 1;
4700
4701 work_offset = gsm_dump_offset & 0xFFFF0000;
4702 offset = gsm_dump_offset & 0x0000FFFF;
4703 gsm_dump_offset = work_offset;
4704 /* adjust length to dword boundary */
4705 rem = length & 3;
4706 dw_length = length >> 2;
4707
4708 for (index = 0; index < dw_length; index++) {
4709 if ((work_offset + offset) & 0xFFFF0000) {
4710 if (pm8001_ha->chip_id == chip_8001)
4711 shift_value = ((gsm_dump_offset + offset) &
4712 SHIFT_REG_64K_MASK);
4713 else
4714 shift_value = (((gsm_dump_offset + offset) &
4715 SHIFT_REG_64K_MASK) >>
4716 SHIFT_REG_BIT_SHIFT);
4717
4718 if (pm8001_ha->chip_id == chip_8001) {
4719 gsm_base = GSM_BASE;
4720 if (-1 == pm8001_bar4_shift(pm8001_ha,
4721 (gsm_base + shift_value)))
4722 return -EIO;
4723 } else {
4724 gsm_base = 0;
4725 if (-1 == pm80xx_bar4_shift(pm8001_ha,
4726 (gsm_base + shift_value)))
4727 return -EIO;
4728 }
4729 gsm_dump_offset = (gsm_dump_offset + offset) &
4730 0xFFFF0000;
4731 work_offset = 0;
4732 offset = offset & 0x0000FFFF;
4733 }
4734 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4735 0x0000FFFF);
4736 direct_data += sprintf(direct_data, "%08x ", value);
4737 offset += 4;
4738 }
4739 if (rem != 0) {
4740 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4741 0x0000FFFF);
4742 /* xfr for non_dw */
4743 direct_data += sprintf(direct_data, "%08x ", value);
4744 }
4745 /* Shift back to BAR4 original address */
4746 if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
4747 return -EIO;
4748 pm8001_ha->fatal_forensic_shift_offset += 1024;
4749
4750 if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
4751 pm8001_ha->fatal_forensic_shift_offset = 0;
4752 return direct_data - buf;
4753 }
4754
4755 int
pm8001_chip_set_dev_state_req(struct pm8001_hba_info * pm8001_ha,struct pm8001_device * pm8001_dev,u32 state)4756 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4757 struct pm8001_device *pm8001_dev, u32 state)
4758 {
4759 struct set_dev_state_req payload;
4760 struct pm8001_ccb_info *ccb;
4761 int rc;
4762 u32 opc = OPC_INB_SET_DEVICE_STATE;
4763
4764 memset(&payload, 0, sizeof(payload));
4765
4766 ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4767 if (!ccb)
4768 return -SAS_QUEUE_FULL;
4769
4770 payload.tag = cpu_to_le32(ccb->ccb_tag);
4771 payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4772 payload.nds = cpu_to_le32(state);
4773
4774 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4775 sizeof(payload), 0);
4776 if (rc)
4777 pm8001_ccb_free(pm8001_ha, ccb);
4778
4779 return rc;
4780 }
4781
4782 static int
pm8001_chip_sas_re_initialization(struct pm8001_hba_info * pm8001_ha)4783 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4784 {
4785 struct sas_re_initialization_req payload;
4786 struct pm8001_ccb_info *ccb;
4787 int rc;
4788 u32 opc = OPC_INB_SAS_RE_INITIALIZE;
4789
4790 memset(&payload, 0, sizeof(payload));
4791
4792 ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4793 if (!ccb)
4794 return -SAS_QUEUE_FULL;
4795
4796 payload.tag = cpu_to_le32(ccb->ccb_tag);
4797 payload.SSAHOLT = cpu_to_le32(0xd << 25);
4798 payload.sata_hol_tmo = cpu_to_le32(80);
4799 payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
4800
4801 rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4802 sizeof(payload), 0);
4803 if (rc)
4804 pm8001_ccb_free(pm8001_ha, ccb);
4805
4806 return rc;
4807 }
4808
4809 const struct pm8001_dispatch pm8001_8001_dispatch = {
4810 .name = "pmc8001",
4811 .chip_init = pm8001_chip_init,
4812 .chip_post_init = pm8001_chip_post_init,
4813 .chip_soft_rst = pm8001_chip_soft_rst,
4814 .chip_rst = pm8001_hw_chip_rst,
4815 .chip_iounmap = pm8001_chip_iounmap,
4816 .isr = pm8001_chip_isr,
4817 .is_our_interrupt = pm8001_chip_is_our_interrupt,
4818 .isr_process_oq = process_oq,
4819 .interrupt_enable = pm8001_chip_interrupt_enable,
4820 .interrupt_disable = pm8001_chip_interrupt_disable,
4821 .make_prd = pm8001_chip_make_sg,
4822 .smp_req = pm8001_chip_smp_req,
4823 .ssp_io_req = pm8001_chip_ssp_io_req,
4824 .sata_req = pm8001_chip_sata_req,
4825 .phy_start_req = pm8001_chip_phy_start_req,
4826 .phy_stop_req = pm8001_chip_phy_stop_req,
4827 .reg_dev_req = pm8001_chip_reg_dev_req,
4828 .dereg_dev_req = pm8001_chip_dereg_dev_req,
4829 .phy_ctl_req = pm8001_chip_phy_ctl_req,
4830 .task_abort = pm8001_chip_abort_task,
4831 .ssp_tm_req = pm8001_chip_ssp_tm_req,
4832 .get_nvmd_req = pm8001_chip_get_nvmd_req,
4833 .set_nvmd_req = pm8001_chip_set_nvmd_req,
4834 .fw_flash_update_req = pm8001_chip_fw_flash_update_req,
4835 .set_dev_state_req = pm8001_chip_set_dev_state_req,
4836 .sas_re_init_req = pm8001_chip_sas_re_initialization,
4837 .fatal_errors = pm80xx_fatal_errors,
4838 };
4839