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2908d778 JB |
1 | /* |
2 | * Aic94xx SAS/SATA driver SCB management. | |
3 | * | |
4 | * Copyright (C) 2005 Adaptec, Inc. All rights reserved. | |
5 | * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> | |
6 | * | |
7 | * This file is licensed under GPLv2. | |
8 | * | |
9 | * This file is part of the aic94xx driver. | |
10 | * | |
11 | * The aic94xx driver is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; version 2 of the | |
14 | * License. | |
15 | * | |
16 | * The aic94xx driver is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with the aic94xx driver; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
24 | * | |
25 | */ | |
26 | ||
fe4a36cf | 27 | #include <scsi/scsi_host.h> |
2908d778 JB |
28 | |
29 | #include "aic94xx.h" | |
30 | #include "aic94xx_reg.h" | |
31 | #include "aic94xx_hwi.h" | |
32 | #include "aic94xx_seq.h" | |
33 | ||
34 | #include "aic94xx_dump.h" | |
35 | ||
36 | /* ---------- EMPTY SCB ---------- */ | |
37 | ||
38 | #define DL_PHY_MASK 7 | |
39 | #define BYTES_DMAED 0 | |
40 | #define PRIMITIVE_RECVD 0x08 | |
41 | #define PHY_EVENT 0x10 | |
42 | #define LINK_RESET_ERROR 0x18 | |
43 | #define TIMER_EVENT 0x20 | |
44 | #define REQ_TASK_ABORT 0xF0 | |
45 | #define REQ_DEVICE_RESET 0xF1 | |
46 | #define SIGNAL_NCQ_ERROR 0xF2 | |
47 | #define CLEAR_NCQ_ERROR 0xF3 | |
48 | ||
49 | #define PHY_EVENTS_STATUS (CURRENT_LOSS_OF_SIGNAL | CURRENT_OOB_DONE \ | |
50 | | CURRENT_SPINUP_HOLD | CURRENT_GTO_TIMEOUT \ | |
51 | | CURRENT_OOB_ERROR) | |
52 | ||
81e56ded | 53 | static void get_lrate_mode(struct asd_phy *phy, u8 oob_mode) |
2908d778 | 54 | { |
a01e70e5 JB |
55 | struct sas_phy *sas_phy = phy->sas_phy.phy; |
56 | ||
2908d778 JB |
57 | switch (oob_mode & 7) { |
58 | case PHY_SPEED_60: | |
59 | /* FIXME: sas transport class doesn't have this */ | |
88edf746 | 60 | phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS; |
2908d778 JB |
61 | phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS; |
62 | break; | |
63 | case PHY_SPEED_30: | |
88edf746 | 64 | phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS; |
2908d778 JB |
65 | phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS; |
66 | break; | |
67 | case PHY_SPEED_15: | |
88edf746 | 68 | phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS; |
2908d778 JB |
69 | phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS; |
70 | break; | |
71 | } | |
a01e70e5 JB |
72 | sas_phy->negotiated_linkrate = phy->sas_phy.linkrate; |
73 | sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; | |
74 | sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; | |
75 | sas_phy->maximum_linkrate = phy->phy_desc->max_sas_lrate; | |
76 | sas_phy->minimum_linkrate = phy->phy_desc->min_sas_lrate; | |
77 | ||
2908d778 JB |
78 | if (oob_mode & SAS_MODE) |
79 | phy->sas_phy.oob_mode = SAS_OOB_MODE; | |
80 | else if (oob_mode & SATA_MODE) | |
81 | phy->sas_phy.oob_mode = SATA_OOB_MODE; | |
82 | } | |
83 | ||
81e56ded | 84 | static void asd_phy_event_tasklet(struct asd_ascb *ascb, |
2908d778 JB |
85 | struct done_list_struct *dl) |
86 | { | |
87 | struct asd_ha_struct *asd_ha = ascb->ha; | |
88 | struct sas_ha_struct *sas_ha = &asd_ha->sas_ha; | |
89 | int phy_id = dl->status_block[0] & DL_PHY_MASK; | |
90 | struct asd_phy *phy = &asd_ha->phys[phy_id]; | |
91 | ||
92 | u8 oob_status = dl->status_block[1] & PHY_EVENTS_STATUS; | |
93 | u8 oob_mode = dl->status_block[2]; | |
94 | ||
95 | switch (oob_status) { | |
96 | case CURRENT_LOSS_OF_SIGNAL: | |
97 | /* directly attached device was removed */ | |
98 | ASD_DPRINTK("phy%d: device unplugged\n", phy_id); | |
99 | asd_turn_led(asd_ha, phy_id, 0); | |
100 | sas_phy_disconnected(&phy->sas_phy); | |
101 | sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL); | |
102 | break; | |
103 | case CURRENT_OOB_DONE: | |
104 | /* hot plugged device */ | |
105 | asd_turn_led(asd_ha, phy_id, 1); | |
106 | get_lrate_mode(phy, oob_mode); | |
107 | ASD_DPRINTK("phy%d device plugged: lrate:0x%x, proto:0x%x\n", | |
108 | phy_id, phy->sas_phy.linkrate, phy->sas_phy.iproto); | |
109 | sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE); | |
110 | break; | |
111 | case CURRENT_SPINUP_HOLD: | |
112 | /* hot plug SATA, no COMWAKE sent */ | |
113 | asd_turn_led(asd_ha, phy_id, 1); | |
114 | sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD); | |
115 | break; | |
116 | case CURRENT_GTO_TIMEOUT: | |
117 | case CURRENT_OOB_ERROR: | |
118 | ASD_DPRINTK("phy%d error while OOB: oob status:0x%x\n", phy_id, | |
119 | dl->status_block[1]); | |
120 | asd_turn_led(asd_ha, phy_id, 0); | |
121 | sas_phy_disconnected(&phy->sas_phy); | |
122 | sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR); | |
123 | break; | |
124 | } | |
125 | } | |
126 | ||
127 | /* If phys are enabled sparsely, this will do the right thing. */ | |
81e56ded | 128 | static unsigned ord_phy(struct asd_ha_struct *asd_ha, struct asd_phy *phy) |
2908d778 JB |
129 | { |
130 | u8 enabled_mask = asd_ha->hw_prof.enabled_phys; | |
131 | int i, k = 0; | |
132 | ||
133 | for_each_phy(enabled_mask, enabled_mask, i) { | |
134 | if (&asd_ha->phys[i] == phy) | |
135 | return k; | |
136 | k++; | |
137 | } | |
138 | return 0; | |
139 | } | |
140 | ||
141 | /** | |
142 | * asd_get_attached_sas_addr -- extract/generate attached SAS address | |
143 | * phy: pointer to asd_phy | |
144 | * sas_addr: pointer to buffer where the SAS address is to be written | |
145 | * | |
146 | * This function extracts the SAS address from an IDENTIFY frame | |
147 | * received. If OOB is SATA, then a SAS address is generated from the | |
148 | * HA tables. | |
149 | * | |
150 | * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame | |
151 | * buffer. | |
152 | */ | |
81e56ded | 153 | static void asd_get_attached_sas_addr(struct asd_phy *phy, u8 *sas_addr) |
2908d778 JB |
154 | { |
155 | if (phy->sas_phy.frame_rcvd[0] == 0x34 | |
156 | && phy->sas_phy.oob_mode == SATA_OOB_MODE) { | |
157 | struct asd_ha_struct *asd_ha = phy->sas_phy.ha->lldd_ha; | |
158 | /* FIS device-to-host */ | |
159 | u64 addr = be64_to_cpu(*(__be64 *)phy->phy_desc->sas_addr); | |
160 | ||
161 | addr += asd_ha->hw_prof.sata_name_base + ord_phy(asd_ha, phy); | |
162 | *(__be64 *)sas_addr = cpu_to_be64(addr); | |
163 | } else { | |
164 | struct sas_identify_frame *idframe = | |
165 | (void *) phy->sas_phy.frame_rcvd; | |
166 | memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE); | |
167 | } | |
168 | } | |
169 | ||
3f048109 | 170 | static void asd_form_port(struct asd_ha_struct *asd_ha, struct asd_phy *phy) |
171 | { | |
172 | int i; | |
173 | struct asd_port *free_port = NULL; | |
174 | struct asd_port *port; | |
175 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
176 | unsigned long flags; | |
177 | ||
178 | spin_lock_irqsave(&asd_ha->asd_ports_lock, flags); | |
179 | if (!phy->asd_port) { | |
180 | for (i = 0; i < ASD_MAX_PHYS; i++) { | |
181 | port = &asd_ha->asd_ports[i]; | |
182 | ||
183 | /* Check for wide port */ | |
184 | if (port->num_phys > 0 && | |
185 | memcmp(port->sas_addr, sas_phy->sas_addr, | |
186 | SAS_ADDR_SIZE) == 0 && | |
187 | memcmp(port->attached_sas_addr, | |
188 | sas_phy->attached_sas_addr, | |
189 | SAS_ADDR_SIZE) == 0) { | |
190 | break; | |
191 | } | |
192 | ||
193 | /* Find a free port */ | |
194 | if (port->num_phys == 0 && free_port == NULL) { | |
195 | free_port = port; | |
196 | } | |
197 | } | |
198 | ||
199 | /* Use a free port if this doesn't form a wide port */ | |
200 | if (i >= ASD_MAX_PHYS) { | |
201 | port = free_port; | |
202 | BUG_ON(!port); | |
203 | memcpy(port->sas_addr, sas_phy->sas_addr, | |
204 | SAS_ADDR_SIZE); | |
205 | memcpy(port->attached_sas_addr, | |
206 | sas_phy->attached_sas_addr, | |
207 | SAS_ADDR_SIZE); | |
208 | } | |
209 | port->num_phys++; | |
210 | port->phy_mask |= (1U << sas_phy->id); | |
211 | phy->asd_port = port; | |
212 | } | |
213 | ASD_DPRINTK("%s: updating phy_mask 0x%x for phy%d\n", | |
cadbd4a5 | 214 | __func__, phy->asd_port->phy_mask, sas_phy->id); |
3f048109 | 215 | asd_update_port_links(asd_ha, phy); |
216 | spin_unlock_irqrestore(&asd_ha->asd_ports_lock, flags); | |
217 | } | |
218 | ||
219 | static void asd_deform_port(struct asd_ha_struct *asd_ha, struct asd_phy *phy) | |
220 | { | |
221 | struct asd_port *port = phy->asd_port; | |
222 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
223 | unsigned long flags; | |
224 | ||
225 | spin_lock_irqsave(&asd_ha->asd_ports_lock, flags); | |
226 | if (port) { | |
227 | port->num_phys--; | |
228 | port->phy_mask &= ~(1U << sas_phy->id); | |
229 | phy->asd_port = NULL; | |
230 | } | |
231 | spin_unlock_irqrestore(&asd_ha->asd_ports_lock, flags); | |
232 | } | |
233 | ||
81e56ded AB |
234 | static void asd_bytes_dmaed_tasklet(struct asd_ascb *ascb, |
235 | struct done_list_struct *dl, | |
236 | int edb_id, int phy_id) | |
2908d778 JB |
237 | { |
238 | unsigned long flags; | |
239 | int edb_el = edb_id + ascb->edb_index; | |
240 | struct asd_dma_tok *edb = ascb->ha->seq.edb_arr[edb_el]; | |
241 | struct asd_phy *phy = &ascb->ha->phys[phy_id]; | |
242 | struct sas_ha_struct *sas_ha = phy->sas_phy.ha; | |
243 | u16 size = ((dl->status_block[3] & 7) << 8) | dl->status_block[2]; | |
244 | ||
245 | size = min(size, (u16) sizeof(phy->frame_rcvd)); | |
246 | ||
247 | spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags); | |
248 | memcpy(phy->sas_phy.frame_rcvd, edb->vaddr, size); | |
249 | phy->sas_phy.frame_rcvd_size = size; | |
250 | asd_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr); | |
251 | spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags); | |
252 | asd_dump_frame_rcvd(phy, dl); | |
3f048109 | 253 | asd_form_port(ascb->ha, phy); |
2908d778 JB |
254 | sas_ha->notify_port_event(&phy->sas_phy, PORTE_BYTES_DMAED); |
255 | } | |
256 | ||
81e56ded AB |
257 | static void asd_link_reset_err_tasklet(struct asd_ascb *ascb, |
258 | struct done_list_struct *dl, | |
259 | int phy_id) | |
2908d778 JB |
260 | { |
261 | struct asd_ha_struct *asd_ha = ascb->ha; | |
262 | struct sas_ha_struct *sas_ha = &asd_ha->sas_ha; | |
263 | struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id]; | |
3f048109 | 264 | struct asd_phy *phy = &asd_ha->phys[phy_id]; |
2908d778 JB |
265 | u8 lr_error = dl->status_block[1]; |
266 | u8 retries_left = dl->status_block[2]; | |
267 | ||
268 | switch (lr_error) { | |
269 | case 0: | |
270 | ASD_DPRINTK("phy%d: Receive ID timer expired\n", phy_id); | |
271 | break; | |
272 | case 1: | |
273 | ASD_DPRINTK("phy%d: Loss of signal\n", phy_id); | |
274 | break; | |
275 | case 2: | |
276 | ASD_DPRINTK("phy%d: Loss of dword sync\n", phy_id); | |
277 | break; | |
278 | case 3: | |
279 | ASD_DPRINTK("phy%d: Receive FIS timeout\n", phy_id); | |
280 | break; | |
281 | default: | |
282 | ASD_DPRINTK("phy%d: unknown link reset error code: 0x%x\n", | |
283 | phy_id, lr_error); | |
284 | break; | |
285 | } | |
286 | ||
287 | asd_turn_led(asd_ha, phy_id, 0); | |
288 | sas_phy_disconnected(sas_phy); | |
3f048109 | 289 | asd_deform_port(asd_ha, phy); |
2908d778 JB |
290 | sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR); |
291 | ||
292 | if (retries_left == 0) { | |
293 | int num = 1; | |
294 | struct asd_ascb *cp = asd_ascb_alloc_list(ascb->ha, &num, | |
295 | GFP_ATOMIC); | |
296 | if (!cp) { | |
cadbd4a5 | 297 | asd_printk("%s: out of memory\n", __func__); |
2908d778 JB |
298 | goto out; |
299 | } | |
300 | ASD_DPRINTK("phy%d: retries:0 performing link reset seq\n", | |
301 | phy_id); | |
302 | asd_build_control_phy(cp, phy_id, ENABLE_PHY); | |
303 | if (asd_post_ascb_list(ascb->ha, cp, 1) != 0) | |
304 | asd_ascb_free(cp); | |
305 | } | |
306 | out: | |
307 | ; | |
308 | } | |
309 | ||
81e56ded AB |
310 | static void asd_primitive_rcvd_tasklet(struct asd_ascb *ascb, |
311 | struct done_list_struct *dl, | |
312 | int phy_id) | |
2908d778 JB |
313 | { |
314 | unsigned long flags; | |
315 | struct sas_ha_struct *sas_ha = &ascb->ha->sas_ha; | |
316 | struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id]; | |
3f048109 | 317 | struct asd_ha_struct *asd_ha = ascb->ha; |
318 | struct asd_phy *phy = &asd_ha->phys[phy_id]; | |
2908d778 JB |
319 | u8 reg = dl->status_block[1]; |
320 | u32 cont = dl->status_block[2] << ((reg & 3)*8); | |
321 | ||
322 | reg &= ~3; | |
323 | switch (reg) { | |
324 | case LmPRMSTAT0BYTE0: | |
325 | switch (cont) { | |
326 | case LmBROADCH: | |
327 | case LmBROADRVCH0: | |
328 | case LmBROADRVCH1: | |
329 | case LmBROADSES: | |
330 | ASD_DPRINTK("phy%d: BROADCAST change received:%d\n", | |
331 | phy_id, cont); | |
332 | spin_lock_irqsave(&sas_phy->sas_prim_lock, flags); | |
333 | sas_phy->sas_prim = ffs(cont); | |
334 | spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags); | |
335 | sas_ha->notify_port_event(sas_phy,PORTE_BROADCAST_RCVD); | |
336 | break; | |
337 | ||
338 | case LmUNKNOWNP: | |
339 | ASD_DPRINTK("phy%d: unknown BREAK\n", phy_id); | |
340 | break; | |
341 | ||
342 | default: | |
343 | ASD_DPRINTK("phy%d: primitive reg:0x%x, cont:0x%04x\n", | |
344 | phy_id, reg, cont); | |
345 | break; | |
346 | } | |
347 | break; | |
348 | case LmPRMSTAT1BYTE0: | |
349 | switch (cont) { | |
350 | case LmHARDRST: | |
351 | ASD_DPRINTK("phy%d: HARD_RESET primitive rcvd\n", | |
352 | phy_id); | |
353 | /* The sequencer disables all phys on that port. | |
354 | * We have to re-enable the phys ourselves. */ | |
3f048109 | 355 | asd_deform_port(asd_ha, phy); |
2908d778 JB |
356 | sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET); |
357 | break; | |
358 | ||
359 | default: | |
360 | ASD_DPRINTK("phy%d: primitive reg:0x%x, cont:0x%04x\n", | |
361 | phy_id, reg, cont); | |
362 | break; | |
363 | } | |
364 | break; | |
365 | default: | |
366 | ASD_DPRINTK("unknown primitive register:0x%x\n", | |
367 | dl->status_block[1]); | |
368 | break; | |
369 | } | |
370 | } | |
371 | ||
372 | /** | |
373 | * asd_invalidate_edb -- invalidate an EDB and if necessary post the ESCB | |
374 | * @ascb: pointer to Empty SCB | |
375 | * @edb_id: index [0,6] to the empty data buffer which is to be invalidated | |
376 | * | |
377 | * After an EDB has been invalidated, if all EDBs in this ESCB have been | |
378 | * invalidated, the ESCB is posted back to the sequencer. | |
379 | * Context is tasklet/IRQ. | |
380 | */ | |
381 | void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id) | |
382 | { | |
383 | struct asd_seq_data *seq = &ascb->ha->seq; | |
384 | struct empty_scb *escb = &ascb->scb->escb; | |
385 | struct sg_el *eb = &escb->eb[edb_id]; | |
386 | struct asd_dma_tok *edb = seq->edb_arr[ascb->edb_index + edb_id]; | |
387 | ||
388 | memset(edb->vaddr, 0, ASD_EDB_SIZE); | |
389 | eb->flags |= ELEMENT_NOT_VALID; | |
390 | escb->num_valid--; | |
391 | ||
392 | if (escb->num_valid == 0) { | |
393 | int i; | |
394 | /* ASD_DPRINTK("reposting escb: vaddr: 0x%p, " | |
395 | "dma_handle: 0x%08llx, next: 0x%08llx, " | |
396 | "index:%d, opcode:0x%02x\n", | |
397 | ascb->dma_scb.vaddr, | |
398 | (u64)ascb->dma_scb.dma_handle, | |
399 | le64_to_cpu(ascb->scb->header.next_scb), | |
400 | le16_to_cpu(ascb->scb->header.index), | |
401 | ascb->scb->header.opcode); | |
402 | */ | |
403 | escb->num_valid = ASD_EDBS_PER_SCB; | |
404 | for (i = 0; i < ASD_EDBS_PER_SCB; i++) | |
405 | escb->eb[i].flags = 0; | |
406 | if (!list_empty(&ascb->list)) | |
407 | list_del_init(&ascb->list); | |
408 | i = asd_post_escb_list(ascb->ha, ascb, 1); | |
409 | if (i) | |
410 | asd_printk("couldn't post escb, err:%d\n", i); | |
411 | } | |
412 | } | |
413 | ||
414 | static void escb_tasklet_complete(struct asd_ascb *ascb, | |
415 | struct done_list_struct *dl) | |
416 | { | |
417 | struct asd_ha_struct *asd_ha = ascb->ha; | |
418 | struct sas_ha_struct *sas_ha = &asd_ha->sas_ha; | |
419 | int edb = (dl->opcode & DL_PHY_MASK) - 1; /* [0xc1,0xc7] -> [0,6] */ | |
420 | u8 sb_opcode = dl->status_block[0]; | |
421 | int phy_id = sb_opcode & DL_PHY_MASK; | |
422 | struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id]; | |
3f048109 | 423 | struct asd_phy *phy = &asd_ha->phys[phy_id]; |
2908d778 JB |
424 | |
425 | if (edb > 6 || edb < 0) { | |
426 | ASD_DPRINTK("edb is 0x%x! dl->opcode is 0x%x\n", | |
427 | edb, dl->opcode); | |
428 | ASD_DPRINTK("sb_opcode : 0x%x, phy_id: 0x%x\n", | |
429 | sb_opcode, phy_id); | |
430 | ASD_DPRINTK("escb: vaddr: 0x%p, " | |
431 | "dma_handle: 0x%llx, next: 0x%llx, " | |
432 | "index:%d, opcode:0x%02x\n", | |
433 | ascb->dma_scb.vaddr, | |
434 | (unsigned long long)ascb->dma_scb.dma_handle, | |
435 | (unsigned long long) | |
436 | le64_to_cpu(ascb->scb->header.next_scb), | |
437 | le16_to_cpu(ascb->scb->header.index), | |
438 | ascb->scb->header.opcode); | |
439 | } | |
440 | ||
fe4a36cf DW |
441 | /* Catch these before we mask off the sb_opcode bits */ |
442 | switch (sb_opcode) { | |
443 | case REQ_TASK_ABORT: { | |
444 | struct asd_ascb *a, *b; | |
445 | u16 tc_abort; | |
3cd041fb DW |
446 | struct domain_device *failed_dev = NULL; |
447 | ||
448 | ASD_DPRINTK("%s: REQ_TASK_ABORT, reason=0x%X\n", | |
cadbd4a5 | 449 | __func__, dl->status_block[3]); |
fe4a36cf | 450 | |
3cd041fb DW |
451 | /* |
452 | * Find the task that caused the abort and abort it first. | |
453 | * The sequencer won't put anything on the done list until | |
454 | * that happens. | |
455 | */ | |
fe4a36cf DW |
456 | tc_abort = *((u16*)(&dl->status_block[1])); |
457 | tc_abort = le16_to_cpu(tc_abort); | |
458 | ||
3cd041fb | 459 | list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) { |
cb84e2d2 | 460 | struct sas_task *task = a->uldd_task; |
fe4a36cf | 461 | |
cb84e2d2 JB |
462 | if (a->tc_index != tc_abort) |
463 | continue; | |
464 | ||
465 | if (task) { | |
3cd041fb DW |
466 | failed_dev = task->dev; |
467 | sas_task_abort(task); | |
cb84e2d2 JB |
468 | } else { |
469 | ASD_DPRINTK("R_T_A for non TASK scb 0x%x\n", | |
470 | a->scb->header.opcode); | |
fe4a36cf | 471 | } |
cb84e2d2 | 472 | break; |
3cd041fb DW |
473 | } |
474 | ||
475 | if (!failed_dev) { | |
476 | ASD_DPRINTK("%s: Can't find task (tc=%d) to abort!\n", | |
cadbd4a5 | 477 | __func__, tc_abort); |
3cd041fb DW |
478 | goto out; |
479 | } | |
480 | ||
481 | /* | |
482 | * Now abort everything else for that device (hba?) so | |
483 | * that the EH will wake up and do something. | |
484 | */ | |
485 | list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) { | |
cb84e2d2 | 486 | struct sas_task *task = a->uldd_task; |
3cd041fb DW |
487 | |
488 | if (task && | |
489 | task->dev == failed_dev && | |
490 | a->tc_index != tc_abort) | |
491 | sas_task_abort(task); | |
492 | } | |
493 | ||
fe4a36cf DW |
494 | goto out; |
495 | } | |
496 | case REQ_DEVICE_RESET: { | |
dea22214 | 497 | struct asd_ascb *a; |
fe4a36cf | 498 | u16 conn_handle; |
3cd041fb DW |
499 | unsigned long flags; |
500 | struct sas_task *last_dev_task = NULL; | |
fe4a36cf DW |
501 | |
502 | conn_handle = *((u16*)(&dl->status_block[1])); | |
503 | conn_handle = le16_to_cpu(conn_handle); | |
504 | ||
cadbd4a5 | 505 | ASD_DPRINTK("%s: REQ_DEVICE_RESET, reason=0x%X\n", __func__, |
fe4a36cf DW |
506 | dl->status_block[3]); |
507 | ||
3cd041fb | 508 | /* Find the last pending task for the device... */ |
dea22214 | 509 | list_for_each_entry(a, &asd_ha->seq.pend_q, list) { |
fe4a36cf | 510 | u16 x; |
3cd041fb DW |
511 | struct domain_device *dev; |
512 | struct sas_task *task = a->uldd_task; | |
fe4a36cf | 513 | |
dea22214 DW |
514 | if (!task) |
515 | continue; | |
516 | dev = task->dev; | |
517 | ||
e138a5d2 | 518 | x = (unsigned long)dev->lldd_dev; |
3cd041fb DW |
519 | if (x == conn_handle) |
520 | last_dev_task = task; | |
fe4a36cf DW |
521 | } |
522 | ||
3cd041fb DW |
523 | if (!last_dev_task) { |
524 | ASD_DPRINTK("%s: Device reset for idle device %d?\n", | |
cadbd4a5 | 525 | __func__, conn_handle); |
dea22214 DW |
526 | goto out; |
527 | } | |
3cd041fb DW |
528 | |
529 | /* ...and set the reset flag */ | |
530 | spin_lock_irqsave(&last_dev_task->task_state_lock, flags); | |
531 | last_dev_task->task_state_flags |= SAS_TASK_NEED_DEV_RESET; | |
532 | spin_unlock_irqrestore(&last_dev_task->task_state_lock, flags); | |
533 | ||
534 | /* Kill all pending tasks for the device */ | |
535 | list_for_each_entry(a, &asd_ha->seq.pend_q, list) { | |
536 | u16 x; | |
537 | struct domain_device *dev; | |
538 | struct sas_task *task = a->uldd_task; | |
539 | ||
540 | if (!task) | |
541 | continue; | |
542 | dev = task->dev; | |
543 | ||
544 | x = (unsigned long)dev->lldd_dev; | |
545 | if (x == conn_handle) | |
546 | sas_task_abort(task); | |
547 | } | |
548 | ||
fe4a36cf DW |
549 | goto out; |
550 | } | |
551 | case SIGNAL_NCQ_ERROR: | |
cadbd4a5 | 552 | ASD_DPRINTK("%s: SIGNAL_NCQ_ERROR\n", __func__); |
fe4a36cf DW |
553 | goto out; |
554 | case CLEAR_NCQ_ERROR: | |
cadbd4a5 | 555 | ASD_DPRINTK("%s: CLEAR_NCQ_ERROR\n", __func__); |
fe4a36cf DW |
556 | goto out; |
557 | } | |
558 | ||
2908d778 JB |
559 | sb_opcode &= ~DL_PHY_MASK; |
560 | ||
561 | switch (sb_opcode) { | |
562 | case BYTES_DMAED: | |
cadbd4a5 | 563 | ASD_DPRINTK("%s: phy%d: BYTES_DMAED\n", __func__, phy_id); |
2908d778 JB |
564 | asd_bytes_dmaed_tasklet(ascb, dl, edb, phy_id); |
565 | break; | |
566 | case PRIMITIVE_RECVD: | |
cadbd4a5 | 567 | ASD_DPRINTK("%s: phy%d: PRIMITIVE_RECVD\n", __func__, |
2908d778 JB |
568 | phy_id); |
569 | asd_primitive_rcvd_tasklet(ascb, dl, phy_id); | |
570 | break; | |
571 | case PHY_EVENT: | |
cadbd4a5 | 572 | ASD_DPRINTK("%s: phy%d: PHY_EVENT\n", __func__, phy_id); |
2908d778 JB |
573 | asd_phy_event_tasklet(ascb, dl); |
574 | break; | |
575 | case LINK_RESET_ERROR: | |
cadbd4a5 | 576 | ASD_DPRINTK("%s: phy%d: LINK_RESET_ERROR\n", __func__, |
2908d778 JB |
577 | phy_id); |
578 | asd_link_reset_err_tasklet(ascb, dl, phy_id); | |
579 | break; | |
580 | case TIMER_EVENT: | |
581 | ASD_DPRINTK("%s: phy%d: TIMER_EVENT, lost dw sync\n", | |
cadbd4a5 | 582 | __func__, phy_id); |
2908d778 JB |
583 | asd_turn_led(asd_ha, phy_id, 0); |
584 | /* the device is gone */ | |
585 | sas_phy_disconnected(sas_phy); | |
3f048109 | 586 | asd_deform_port(asd_ha, phy); |
2908d778 JB |
587 | sas_ha->notify_port_event(sas_phy, PORTE_TIMER_EVENT); |
588 | break; | |
2908d778 | 589 | default: |
cadbd4a5 | 590 | ASD_DPRINTK("%s: phy%d: unknown event:0x%x\n", __func__, |
2908d778 JB |
591 | phy_id, sb_opcode); |
592 | ASD_DPRINTK("edb is 0x%x! dl->opcode is 0x%x\n", | |
593 | edb, dl->opcode); | |
594 | ASD_DPRINTK("sb_opcode : 0x%x, phy_id: 0x%x\n", | |
595 | sb_opcode, phy_id); | |
596 | ASD_DPRINTK("escb: vaddr: 0x%p, " | |
597 | "dma_handle: 0x%llx, next: 0x%llx, " | |
598 | "index:%d, opcode:0x%02x\n", | |
599 | ascb->dma_scb.vaddr, | |
600 | (unsigned long long)ascb->dma_scb.dma_handle, | |
601 | (unsigned long long) | |
602 | le64_to_cpu(ascb->scb->header.next_scb), | |
603 | le16_to_cpu(ascb->scb->header.index), | |
604 | ascb->scb->header.opcode); | |
605 | ||
606 | break; | |
607 | } | |
fe4a36cf | 608 | out: |
2908d778 JB |
609 | asd_invalidate_edb(ascb, edb); |
610 | } | |
611 | ||
612 | int asd_init_post_escbs(struct asd_ha_struct *asd_ha) | |
613 | { | |
614 | struct asd_seq_data *seq = &asd_ha->seq; | |
615 | int i; | |
616 | ||
617 | for (i = 0; i < seq->num_escbs; i++) | |
618 | seq->escb_arr[i]->tasklet_complete = escb_tasklet_complete; | |
619 | ||
620 | ASD_DPRINTK("posting %d escbs\n", i); | |
621 | return asd_post_escb_list(asd_ha, seq->escb_arr[0], seq->num_escbs); | |
622 | } | |
623 | ||
624 | /* ---------- CONTROL PHY ---------- */ | |
625 | ||
626 | #define CONTROL_PHY_STATUS (CURRENT_DEVICE_PRESENT | CURRENT_OOB_DONE \ | |
627 | | CURRENT_SPINUP_HOLD | CURRENT_GTO_TIMEOUT \ | |
628 | | CURRENT_OOB_ERROR) | |
629 | ||
630 | /** | |
631 | * control_phy_tasklet_complete -- tasklet complete for CONTROL PHY ascb | |
632 | * @ascb: pointer to an ascb | |
633 | * @dl: pointer to the done list entry | |
634 | * | |
635 | * This function completes a CONTROL PHY scb and frees the ascb. | |
636 | * A note on LEDs: | |
637 | * - an LED blinks if there is IO though it, | |
638 | * - if a device is connected to the LED, it is lit, | |
639 | * - if no device is connected to the LED, is is dimmed (off). | |
640 | */ | |
641 | static void control_phy_tasklet_complete(struct asd_ascb *ascb, | |
642 | struct done_list_struct *dl) | |
643 | { | |
644 | struct asd_ha_struct *asd_ha = ascb->ha; | |
645 | struct scb *scb = ascb->scb; | |
646 | struct control_phy *control_phy = &scb->control_phy; | |
647 | u8 phy_id = control_phy->phy_id; | |
648 | struct asd_phy *phy = &ascb->ha->phys[phy_id]; | |
649 | ||
650 | u8 status = dl->status_block[0]; | |
651 | u8 oob_status = dl->status_block[1]; | |
652 | u8 oob_mode = dl->status_block[2]; | |
653 | /* u8 oob_signals= dl->status_block[3]; */ | |
654 | ||
655 | if (status != 0) { | |
656 | ASD_DPRINTK("%s: phy%d status block opcode:0x%x\n", | |
cadbd4a5 | 657 | __func__, phy_id, status); |
2908d778 JB |
658 | goto out; |
659 | } | |
660 | ||
661 | switch (control_phy->sub_func) { | |
662 | case DISABLE_PHY: | |
663 | asd_ha->hw_prof.enabled_phys &= ~(1 << phy_id); | |
664 | asd_turn_led(asd_ha, phy_id, 0); | |
665 | asd_control_led(asd_ha, phy_id, 0); | |
cadbd4a5 | 666 | ASD_DPRINTK("%s: disable phy%d\n", __func__, phy_id); |
2908d778 JB |
667 | break; |
668 | ||
669 | case ENABLE_PHY: | |
670 | asd_control_led(asd_ha, phy_id, 1); | |
671 | if (oob_status & CURRENT_OOB_DONE) { | |
672 | asd_ha->hw_prof.enabled_phys |= (1 << phy_id); | |
673 | get_lrate_mode(phy, oob_mode); | |
674 | asd_turn_led(asd_ha, phy_id, 1); | |
675 | ASD_DPRINTK("%s: phy%d, lrate:0x%x, proto:0x%x\n", | |
cadbd4a5 | 676 | __func__, phy_id,phy->sas_phy.linkrate, |
2908d778 JB |
677 | phy->sas_phy.iproto); |
678 | } else if (oob_status & CURRENT_SPINUP_HOLD) { | |
679 | asd_ha->hw_prof.enabled_phys |= (1 << phy_id); | |
680 | asd_turn_led(asd_ha, phy_id, 1); | |
cadbd4a5 | 681 | ASD_DPRINTK("%s: phy%d, spinup hold\n", __func__, |
2908d778 JB |
682 | phy_id); |
683 | } else if (oob_status & CURRENT_ERR_MASK) { | |
684 | asd_turn_led(asd_ha, phy_id, 0); | |
685 | ASD_DPRINTK("%s: phy%d: error: oob status:0x%02x\n", | |
cadbd4a5 | 686 | __func__, phy_id, oob_status); |
2908d778 JB |
687 | } else if (oob_status & (CURRENT_HOT_PLUG_CNCT |
688 | | CURRENT_DEVICE_PRESENT)) { | |
689 | asd_ha->hw_prof.enabled_phys |= (1 << phy_id); | |
690 | asd_turn_led(asd_ha, phy_id, 1); | |
691 | ASD_DPRINTK("%s: phy%d: hot plug or device present\n", | |
cadbd4a5 | 692 | __func__, phy_id); |
2908d778 JB |
693 | } else { |
694 | asd_ha->hw_prof.enabled_phys |= (1 << phy_id); | |
695 | asd_turn_led(asd_ha, phy_id, 0); | |
696 | ASD_DPRINTK("%s: phy%d: no device present: " | |
697 | "oob_status:0x%x\n", | |
cadbd4a5 | 698 | __func__, phy_id, oob_status); |
2908d778 JB |
699 | } |
700 | break; | |
701 | case RELEASE_SPINUP_HOLD: | |
702 | case PHY_NO_OP: | |
703 | case EXECUTE_HARD_RESET: | |
cadbd4a5 | 704 | ASD_DPRINTK("%s: phy%d: sub_func:0x%x\n", __func__, |
2908d778 JB |
705 | phy_id, control_phy->sub_func); |
706 | /* XXX finish */ | |
707 | break; | |
708 | default: | |
cadbd4a5 | 709 | ASD_DPRINTK("%s: phy%d: sub_func:0x%x?\n", __func__, |
2908d778 JB |
710 | phy_id, control_phy->sub_func); |
711 | break; | |
712 | } | |
713 | out: | |
714 | asd_ascb_free(ascb); | |
715 | } | |
716 | ||
81e56ded | 717 | static void set_speed_mask(u8 *speed_mask, struct asd_phy_desc *pd) |
2908d778 JB |
718 | { |
719 | /* disable all speeds, then enable defaults */ | |
720 | *speed_mask = SAS_SPEED_60_DIS | SAS_SPEED_30_DIS | SAS_SPEED_15_DIS | |
721 | | SATA_SPEED_30_DIS | SATA_SPEED_15_DIS; | |
722 | ||
723 | switch (pd->max_sas_lrate) { | |
88edf746 | 724 | case SAS_LINK_RATE_6_0_GBPS: |
2908d778 JB |
725 | *speed_mask &= ~SAS_SPEED_60_DIS; |
726 | default: | |
88edf746 | 727 | case SAS_LINK_RATE_3_0_GBPS: |
2908d778 | 728 | *speed_mask &= ~SAS_SPEED_30_DIS; |
88edf746 | 729 | case SAS_LINK_RATE_1_5_GBPS: |
2908d778 JB |
730 | *speed_mask &= ~SAS_SPEED_15_DIS; |
731 | } | |
732 | ||
733 | switch (pd->min_sas_lrate) { | |
88edf746 | 734 | case SAS_LINK_RATE_6_0_GBPS: |
2908d778 | 735 | *speed_mask |= SAS_SPEED_30_DIS; |
88edf746 | 736 | case SAS_LINK_RATE_3_0_GBPS: |
2908d778 JB |
737 | *speed_mask |= SAS_SPEED_15_DIS; |
738 | default: | |
88edf746 | 739 | case SAS_LINK_RATE_1_5_GBPS: |
2908d778 JB |
740 | /* nothing to do */ |
741 | ; | |
742 | } | |
743 | ||
744 | switch (pd->max_sata_lrate) { | |
88edf746 | 745 | case SAS_LINK_RATE_3_0_GBPS: |
2908d778 JB |
746 | *speed_mask &= ~SATA_SPEED_30_DIS; |
747 | default: | |
88edf746 | 748 | case SAS_LINK_RATE_1_5_GBPS: |
2908d778 JB |
749 | *speed_mask &= ~SATA_SPEED_15_DIS; |
750 | } | |
751 | ||
752 | switch (pd->min_sata_lrate) { | |
88edf746 | 753 | case SAS_LINK_RATE_3_0_GBPS: |
2908d778 JB |
754 | *speed_mask |= SATA_SPEED_15_DIS; |
755 | default: | |
88edf746 | 756 | case SAS_LINK_RATE_1_5_GBPS: |
2908d778 JB |
757 | /* nothing to do */ |
758 | ; | |
759 | } | |
760 | } | |
761 | ||
762 | /** | |
763 | * asd_build_control_phy -- build a CONTROL PHY SCB | |
764 | * @ascb: pointer to an ascb | |
765 | * @phy_id: phy id to control, integer | |
766 | * @subfunc: subfunction, what to actually to do the phy | |
767 | * | |
768 | * This function builds a CONTROL PHY scb. No allocation of any kind | |
769 | * is performed. @ascb is allocated with the list function. | |
770 | * The caller can override the ascb->tasklet_complete to point | |
771 | * to its own callback function. It must call asd_ascb_free() | |
772 | * at its tasklet complete function. | |
773 | * See the default implementation. | |
774 | */ | |
775 | void asd_build_control_phy(struct asd_ascb *ascb, int phy_id, u8 subfunc) | |
776 | { | |
777 | struct asd_phy *phy = &ascb->ha->phys[phy_id]; | |
778 | struct scb *scb = ascb->scb; | |
779 | struct control_phy *control_phy = &scb->control_phy; | |
780 | ||
781 | scb->header.opcode = CONTROL_PHY; | |
782 | control_phy->phy_id = (u8) phy_id; | |
783 | control_phy->sub_func = subfunc; | |
784 | ||
785 | switch (subfunc) { | |
786 | case EXECUTE_HARD_RESET: /* 0x81 */ | |
787 | case ENABLE_PHY: /* 0x01 */ | |
788 | /* decide hot plug delay */ | |
789 | control_phy->hot_plug_delay = HOTPLUG_DELAY_TIMEOUT; | |
790 | ||
791 | /* decide speed mask */ | |
792 | set_speed_mask(&control_phy->speed_mask, phy->phy_desc); | |
793 | ||
794 | /* initiator port settings are in the hi nibble */ | |
795 | if (phy->sas_phy.role == PHY_ROLE_INITIATOR) | |
5929faf3 | 796 | control_phy->port_type = SAS_PROTOCOL_ALL << 4; |
2908d778 | 797 | else if (phy->sas_phy.role == PHY_ROLE_TARGET) |
5929faf3 | 798 | control_phy->port_type = SAS_PROTOCOL_ALL; |
2908d778 JB |
799 | else |
800 | control_phy->port_type = | |
5929faf3 | 801 | (SAS_PROTOCOL_ALL << 4) | SAS_PROTOCOL_ALL; |
2908d778 JB |
802 | |
803 | /* link reset retries, this should be nominal */ | |
804 | control_phy->link_reset_retries = 10; | |
805 | ||
806 | case RELEASE_SPINUP_HOLD: /* 0x02 */ | |
807 | /* decide the func_mask */ | |
808 | control_phy->func_mask = FUNCTION_MASK_DEFAULT; | |
809 | if (phy->phy_desc->flags & ASD_SATA_SPINUP_HOLD) | |
810 | control_phy->func_mask &= ~SPINUP_HOLD_DIS; | |
811 | else | |
812 | control_phy->func_mask |= SPINUP_HOLD_DIS; | |
813 | } | |
814 | ||
815 | control_phy->conn_handle = cpu_to_le16(0xFFFF); | |
816 | ||
817 | ascb->tasklet_complete = control_phy_tasklet_complete; | |
818 | } | |
819 | ||
820 | /* ---------- INITIATE LINK ADM TASK ---------- */ | |
821 | ||
81e56ded AB |
822 | #if 0 |
823 | ||
2908d778 JB |
824 | static void link_adm_tasklet_complete(struct asd_ascb *ascb, |
825 | struct done_list_struct *dl) | |
826 | { | |
827 | u8 opcode = dl->opcode; | |
828 | struct initiate_link_adm *link_adm = &ascb->scb->link_adm; | |
829 | u8 phy_id = link_adm->phy_id; | |
830 | ||
831 | if (opcode != TC_NO_ERROR) { | |
832 | asd_printk("phy%d: link adm task 0x%x completed with error " | |
833 | "0x%x\n", phy_id, link_adm->sub_func, opcode); | |
834 | } | |
835 | ASD_DPRINTK("phy%d: link adm task 0x%x: 0x%x\n", | |
836 | phy_id, link_adm->sub_func, opcode); | |
837 | ||
838 | asd_ascb_free(ascb); | |
839 | } | |
840 | ||
841 | void asd_build_initiate_link_adm_task(struct asd_ascb *ascb, int phy_id, | |
842 | u8 subfunc) | |
843 | { | |
844 | struct scb *scb = ascb->scb; | |
845 | struct initiate_link_adm *link_adm = &scb->link_adm; | |
846 | ||
847 | scb->header.opcode = INITIATE_LINK_ADM_TASK; | |
848 | ||
849 | link_adm->phy_id = phy_id; | |
850 | link_adm->sub_func = subfunc; | |
851 | link_adm->conn_handle = cpu_to_le16(0xFFFF); | |
852 | ||
853 | ascb->tasklet_complete = link_adm_tasklet_complete; | |
854 | } | |
855 | ||
81e56ded AB |
856 | #endif /* 0 */ |
857 | ||
2908d778 JB |
858 | /* ---------- SCB timer ---------- */ |
859 | ||
860 | /** | |
861 | * asd_ascb_timedout -- called when a pending SCB's timer has expired | |
862 | * @data: unsigned long, a pointer to the ascb in question | |
863 | * | |
864 | * This is the default timeout function which does the most necessary. | |
865 | * Upper layers can implement their own timeout function, say to free | |
866 | * resources they have with this SCB, and then call this one at the | |
867 | * end of their timeout function. To do this, one should initialize | |
868 | * the ascb->timer.{function, data, expires} prior to calling the post | |
869 | * funcion. The timer is started by the post function. | |
870 | */ | |
871 | void asd_ascb_timedout(unsigned long data) | |
872 | { | |
873 | struct asd_ascb *ascb = (void *) data; | |
874 | struct asd_seq_data *seq = &ascb->ha->seq; | |
875 | unsigned long flags; | |
876 | ||
877 | ASD_DPRINTK("scb:0x%x timed out\n", ascb->scb->header.opcode); | |
878 | ||
879 | spin_lock_irqsave(&seq->pend_q_lock, flags); | |
880 | seq->pending--; | |
881 | list_del_init(&ascb->list); | |
882 | spin_unlock_irqrestore(&seq->pend_q_lock, flags); | |
883 | ||
884 | asd_ascb_free(ascb); | |
885 | } | |
886 | ||
887 | /* ---------- CONTROL PHY ---------- */ | |
888 | ||
889 | /* Given the spec value, return a driver value. */ | |
890 | static const int phy_func_table[] = { | |
891 | [PHY_FUNC_NOP] = PHY_NO_OP, | |
892 | [PHY_FUNC_LINK_RESET] = ENABLE_PHY, | |
893 | [PHY_FUNC_HARD_RESET] = EXECUTE_HARD_RESET, | |
894 | [PHY_FUNC_DISABLE] = DISABLE_PHY, | |
895 | [PHY_FUNC_RELEASE_SPINUP_HOLD] = RELEASE_SPINUP_HOLD, | |
896 | }; | |
897 | ||
a01e70e5 | 898 | int asd_control_phy(struct asd_sas_phy *phy, enum phy_func func, void *arg) |
2908d778 JB |
899 | { |
900 | struct asd_ha_struct *asd_ha = phy->ha->lldd_ha; | |
a01e70e5 | 901 | struct asd_phy_desc *pd = asd_ha->phys[phy->id].phy_desc; |
2908d778 | 902 | struct asd_ascb *ascb; |
a01e70e5 | 903 | struct sas_phy_linkrates *rates; |
2908d778 JB |
904 | int res = 1; |
905 | ||
a01e70e5 JB |
906 | switch (func) { |
907 | case PHY_FUNC_CLEAR_ERROR_LOG: | |
2908d778 | 908 | return -ENOSYS; |
a01e70e5 JB |
909 | case PHY_FUNC_SET_LINK_RATE: |
910 | rates = arg; | |
911 | if (rates->minimum_linkrate) { | |
912 | pd->min_sas_lrate = rates->minimum_linkrate; | |
913 | pd->min_sata_lrate = rates->minimum_linkrate; | |
914 | } | |
915 | if (rates->maximum_linkrate) { | |
916 | pd->max_sas_lrate = rates->maximum_linkrate; | |
917 | pd->max_sata_lrate = rates->maximum_linkrate; | |
918 | } | |
919 | func = PHY_FUNC_LINK_RESET; | |
920 | break; | |
921 | default: | |
922 | break; | |
923 | } | |
2908d778 JB |
924 | |
925 | ascb = asd_ascb_alloc_list(asd_ha, &res, GFP_KERNEL); | |
926 | if (!ascb) | |
927 | return -ENOMEM; | |
928 | ||
929 | asd_build_control_phy(ascb, phy->id, phy_func_table[func]); | |
930 | res = asd_post_ascb_list(asd_ha, ascb , 1); | |
931 | if (res) | |
932 | asd_ascb_free(ascb); | |
933 | ||
934 | return res; | |
935 | } |