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6f231dda DW |
1 | /* |
2 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
3 | * redistributing this file, you may do so under either license. | |
4 | * | |
5 | * GPL LICENSE SUMMARY | |
6 | * | |
7 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of version 2 of the GNU General Public License as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
21 | * The full GNU General Public License is included in this distribution | |
22 | * in the file called LICENSE.GPL. | |
23 | * | |
24 | * BSD LICENSE | |
25 | * | |
26 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. | |
27 | * All rights reserved. | |
28 | * | |
29 | * Redistribution and use in source and binary forms, with or without | |
30 | * modification, are permitted provided that the following conditions | |
31 | * are met: | |
32 | * | |
33 | * * Redistributions of source code must retain the above copyright | |
34 | * notice, this list of conditions and the following disclaimer. | |
35 | * * Redistributions in binary form must reproduce the above copyright | |
36 | * notice, this list of conditions and the following disclaimer in | |
37 | * the documentation and/or other materials provided with the | |
38 | * distribution. | |
39 | * * Neither the name of Intel Corporation nor the names of its | |
40 | * contributors may be used to endorse or promote products derived | |
41 | * from this software without specific prior written permission. | |
42 | * | |
43 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
44 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
45 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
46 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
47 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
48 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
49 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
50 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
51 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
52 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
53 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
54 | */ | |
ce2b3261 | 55 | #ifndef _SCI_HOST_H_ |
6f231dda DW |
56 | #define _SCI_HOST_H_ |
57 | ||
6f231dda | 58 | #include "remote_device.h" |
ce2b3261 | 59 | #include "phy.h" |
12ef6544 | 60 | #include "isci.h" |
cc9203bf | 61 | #include "remote_node_table.h" |
63a3a15f | 62 | #include "registers.h" |
63a3a15f | 63 | #include "unsolicited_frame_control.h" |
e2f8db50 | 64 | #include "probe_roms.h" |
cc9203bf | 65 | |
5076a1a9 | 66 | struct isci_request; |
cc9203bf DW |
67 | struct scu_task_context; |
68 | ||
e2f8db50 | 69 | |
cc9203bf | 70 | /** |
89a7301f | 71 | * struct sci_power_control - |
cc9203bf DW |
72 | * |
73 | * This structure defines the fields for managing power control for direct | |
74 | * attached disk devices. | |
75 | */ | |
89a7301f | 76 | struct sci_power_control { |
cc9203bf DW |
77 | /** |
78 | * This field is set when the power control timer is running and cleared when | |
79 | * it is not. | |
80 | */ | |
81 | bool timer_started; | |
82 | ||
83 | /** | |
0473661a | 84 | * Timer to control when the directed attached disks can consume power. |
cc9203bf | 85 | */ |
0473661a | 86 | struct sci_timer timer; |
cc9203bf DW |
87 | |
88 | /** | |
89 | * This field is used to keep track of how many phys are put into the | |
90 | * requesters field. | |
91 | */ | |
92 | u8 phys_waiting; | |
93 | ||
94 | /** | |
95 | * This field is used to keep track of how many phys have been granted to consume power | |
96 | */ | |
97 | u8 phys_granted_power; | |
98 | ||
99 | /** | |
100 | * This field is an array of phys that we are waiting on. The phys are direct | |
89a7301f | 101 | * mapped into requesters via struct sci_phy.phy_index |
cc9203bf | 102 | */ |
85280955 | 103 | struct isci_phy *requesters[SCI_MAX_PHYS]; |
cc9203bf DW |
104 | |
105 | }; | |
106 | ||
89a7301f | 107 | struct sci_port_configuration_agent; |
d9dcb4ba | 108 | typedef void (*port_config_fn)(struct isci_host *, |
89a7301f | 109 | struct sci_port_configuration_agent *, |
ffe191c9 | 110 | struct isci_port *, struct isci_phy *); |
e2f8db50 | 111 | |
89a7301f | 112 | struct sci_port_configuration_agent { |
e2f8db50 DW |
113 | u16 phy_configured_mask; |
114 | u16 phy_ready_mask; | |
115 | struct { | |
116 | u8 min_index; | |
117 | u8 max_index; | |
118 | } phy_valid_port_range[SCI_MAX_PHYS]; | |
119 | bool timer_pending; | |
120 | port_config_fn link_up_handler; | |
121 | port_config_fn link_down_handler; | |
ac0eeb4f | 122 | struct sci_timer timer; |
e2f8db50 DW |
123 | }; |
124 | ||
cc9203bf | 125 | /** |
d9dcb4ba DW |
126 | * isci_host - primary host/controller object |
127 | * @timer: timeout start/stop operations | |
128 | * @device_table: rni (hw remote node index) to remote device lookup table | |
129 | * @available_remote_nodes: rni allocator | |
130 | * @power_control: manage device spin up | |
131 | * @io_request_sequence: generation number for tci's (task contexts) | |
132 | * @task_context_table: hw task context table | |
133 | * @remote_node_context_table: hw remote node context table | |
134 | * @completion_queue: hw-producer driver-consumer communication ring | |
135 | * @completion_queue_get: tracks the driver 'head' of the ring to notify hw | |
136 | * @logical_port_entries: min({driver|silicon}-supported-port-count) | |
137 | * @remote_node_entries: min({driver|silicon}-supported-node-count) | |
138 | * @task_context_entries: min({driver|silicon}-supported-task-count) | |
139 | * @phy_timer: phy startup timer | |
140 | * @invalid_phy_mask: if an invalid_link_up notification is reported a bit for | |
141 | * the phy index is set so further notifications are not | |
142 | * made. Once the phy reports link up and is made part of a | |
143 | * port then this bit is cleared. | |
144 | ||
cc9203bf | 145 | */ |
d9dcb4ba | 146 | struct isci_host { |
e301370a | 147 | struct sci_base_state_machine sm; |
d9dcb4ba | 148 | /* XXX can we time this externally */ |
6cb5853d | 149 | struct sci_timer timer; |
d9dcb4ba | 150 | /* XXX drop reference module params directly */ |
89a7301f | 151 | struct sci_user_parameters user_parameters; |
d9dcb4ba | 152 | /* XXX no need to be a union */ |
89a7301f DW |
153 | struct sci_oem_params oem_parameters; |
154 | struct sci_port_configuration_agent port_agent; | |
78a6f06e | 155 | struct isci_remote_device *device_table[SCI_MAX_REMOTE_DEVICES]; |
89a7301f DW |
156 | struct sci_remote_node_table available_remote_nodes; |
157 | struct sci_power_control power_control; | |
dd047c8e | 158 | u8 io_request_sequence[SCI_MAX_IO_REQUESTS]; |
cc9203bf | 159 | struct scu_task_context *task_context_table; |
312e0c24 | 160 | dma_addr_t task_context_dma; |
cc9203bf | 161 | union scu_remote_node_context *remote_node_context_table; |
cc9203bf | 162 | u32 *completion_queue; |
cc9203bf | 163 | u32 completion_queue_get; |
cc9203bf | 164 | u32 logical_port_entries; |
cc9203bf | 165 | u32 remote_node_entries; |
cc9203bf | 166 | u32 task_context_entries; |
89a7301f | 167 | struct sci_unsolicited_frame_control uf_control; |
cc9203bf | 168 | |
d9dcb4ba | 169 | /* phy startup */ |
bb3dbdf6 | 170 | struct sci_timer phy_timer; |
d9dcb4ba | 171 | /* XXX kill */ |
cc9203bf | 172 | bool phy_startup_timer_pending; |
cc9203bf | 173 | u32 next_phy_to_start; |
34a99158 | 174 | /* XXX convert to unsigned long and use bitops */ |
cc9203bf DW |
175 | u8 invalid_phy_mask; |
176 | ||
d9dcb4ba | 177 | /* TODO attempt dynamic interrupt coalescing scheme */ |
cc9203bf | 178 | u16 interrupt_coalesce_number; |
cc9203bf | 179 | u32 interrupt_coalesce_timeout; |
cc9203bf | 180 | struct smu_registers __iomem *smu_registers; |
cc9203bf DW |
181 | struct scu_registers __iomem *scu_registers; |
182 | ||
ac668c69 DW |
183 | u16 tci_head; |
184 | u16 tci_tail; | |
185 | u16 tci_pool[SCI_MAX_IO_REQUESTS]; | |
186 | ||
6f231dda | 187 | int id; /* unique within a given pci device */ |
6f231dda | 188 | struct isci_phy phys[SCI_MAX_PHYS]; |
e531381e | 189 | struct isci_port ports[SCI_MAX_PORTS + 1]; /* includes dummy port */ |
6f231dda DW |
190 | struct sas_ha_struct sas_ha; |
191 | ||
6f231dda | 192 | spinlock_t state_lock; |
6f231dda | 193 | struct pci_dev *pdev; |
6f231dda | 194 | enum isci_status status; |
0cf89d1d DW |
195 | #define IHOST_START_PENDING 0 |
196 | #define IHOST_STOP_PENDING 1 | |
197 | unsigned long flags; | |
198 | wait_queue_head_t eventq; | |
6f231dda DW |
199 | struct Scsi_Host *shost; |
200 | struct tasklet_struct completion_tasklet; | |
6f231dda | 201 | struct list_head requests_to_complete; |
11b00c19 | 202 | struct list_head requests_to_errorback; |
6f231dda | 203 | spinlock_t scic_lock; |
db056250 | 204 | struct isci_request *reqs[SCI_MAX_IO_REQUESTS]; |
57f20f4e | 205 | struct isci_remote_device devices[SCI_MAX_REMOTE_DEVICES]; |
6f231dda DW |
206 | }; |
207 | ||
cc9203bf | 208 | /** |
89a7301f | 209 | * enum sci_controller_states - This enumeration depicts all the states |
cc9203bf DW |
210 | * for the common controller state machine. |
211 | */ | |
89a7301f | 212 | enum sci_controller_states { |
cc9203bf DW |
213 | /** |
214 | * Simply the initial state for the base controller state machine. | |
215 | */ | |
e301370a | 216 | SCIC_INITIAL = 0, |
cc9203bf DW |
217 | |
218 | /** | |
219 | * This state indicates that the controller is reset. The memory for | |
220 | * the controller is in it's initial state, but the controller requires | |
221 | * initialization. | |
222 | * This state is entered from the INITIAL state. | |
223 | * This state is entered from the RESETTING state. | |
224 | */ | |
e301370a | 225 | SCIC_RESET, |
cc9203bf DW |
226 | |
227 | /** | |
228 | * This state is typically an action state that indicates the controller | |
229 | * is in the process of initialization. In this state no new IO operations | |
230 | * are permitted. | |
231 | * This state is entered from the RESET state. | |
232 | */ | |
e301370a | 233 | SCIC_INITIALIZING, |
cc9203bf DW |
234 | |
235 | /** | |
236 | * This state indicates that the controller has been successfully | |
237 | * initialized. In this state no new IO operations are permitted. | |
238 | * This state is entered from the INITIALIZING state. | |
239 | */ | |
e301370a | 240 | SCIC_INITIALIZED, |
cc9203bf DW |
241 | |
242 | /** | |
243 | * This state indicates the the controller is in the process of becoming | |
244 | * ready (i.e. starting). In this state no new IO operations are permitted. | |
245 | * This state is entered from the INITIALIZED state. | |
246 | */ | |
e301370a | 247 | SCIC_STARTING, |
cc9203bf DW |
248 | |
249 | /** | |
250 | * This state indicates the controller is now ready. Thus, the user | |
251 | * is able to perform IO operations on the controller. | |
252 | * This state is entered from the STARTING state. | |
253 | */ | |
e301370a | 254 | SCIC_READY, |
cc9203bf DW |
255 | |
256 | /** | |
257 | * This state is typically an action state that indicates the controller | |
258 | * is in the process of resetting. Thus, the user is unable to perform | |
259 | * IO operations on the controller. A reset is considered destructive in | |
260 | * most cases. | |
261 | * This state is entered from the READY state. | |
262 | * This state is entered from the FAILED state. | |
263 | * This state is entered from the STOPPED state. | |
264 | */ | |
e301370a | 265 | SCIC_RESETTING, |
cc9203bf DW |
266 | |
267 | /** | |
268 | * This state indicates that the controller is in the process of stopping. | |
269 | * In this state no new IO operations are permitted, but existing IO | |
270 | * operations are allowed to complete. | |
271 | * This state is entered from the READY state. | |
272 | */ | |
e301370a | 273 | SCIC_STOPPING, |
cc9203bf DW |
274 | |
275 | /** | |
276 | * This state indicates that the controller has successfully been stopped. | |
277 | * In this state no new IO operations are permitted. | |
278 | * This state is entered from the STOPPING state. | |
279 | */ | |
e301370a | 280 | SCIC_STOPPED, |
cc9203bf DW |
281 | |
282 | /** | |
283 | * This state indicates that the controller could not successfully be | |
284 | * initialized. In this state no new IO operations are permitted. | |
285 | * This state is entered from the INITIALIZING state. | |
286 | * This state is entered from the STARTING state. | |
287 | * This state is entered from the STOPPING state. | |
288 | * This state is entered from the RESETTING state. | |
289 | */ | |
e301370a | 290 | SCIC_FAILED, |
cc9203bf DW |
291 | }; |
292 | ||
6f231dda DW |
293 | /** |
294 | * struct isci_pci_info - This class represents the pci function containing the | |
295 | * controllers. Depending on PCI SKU, there could be up to 2 controllers in | |
296 | * the PCI function. | |
297 | */ | |
298 | #define SCI_MAX_MSIX_INT (SCI_NUM_MSI_X_INT*SCI_MAX_CONTROLLERS) | |
299 | ||
300 | struct isci_pci_info { | |
301 | struct msix_entry msix_entries[SCI_MAX_MSIX_INT]; | |
b329aff1 | 302 | struct isci_host *hosts[SCI_MAX_CONTROLLERS]; |
d044af17 | 303 | struct isci_orom *orom; |
6f231dda DW |
304 | }; |
305 | ||
306 | static inline struct isci_pci_info *to_pci_info(struct pci_dev *pdev) | |
307 | { | |
308 | return pci_get_drvdata(pdev); | |
309 | } | |
310 | ||
b329aff1 DW |
311 | #define for_each_isci_host(id, ihost, pdev) \ |
312 | for (id = 0, ihost = to_pci_info(pdev)->hosts[id]; \ | |
313 | id < ARRAY_SIZE(to_pci_info(pdev)->hosts) && ihost; \ | |
314 | ihost = to_pci_info(pdev)->hosts[++id]) | |
6f231dda | 315 | |
cc9203bf | 316 | static inline enum isci_status isci_host_get_state(struct isci_host *isci_host) |
6f231dda DW |
317 | { |
318 | return isci_host->status; | |
319 | } | |
320 | ||
cc9203bf DW |
321 | static inline void isci_host_change_state(struct isci_host *isci_host, |
322 | enum isci_status status) | |
6f231dda DW |
323 | { |
324 | unsigned long flags; | |
325 | ||
326 | dev_dbg(&isci_host->pdev->dev, | |
327 | "%s: isci_host = %p, state = 0x%x", | |
328 | __func__, | |
329 | isci_host, | |
330 | status); | |
331 | spin_lock_irqsave(&isci_host->state_lock, flags); | |
332 | isci_host->status = status; | |
333 | spin_unlock_irqrestore(&isci_host->state_lock, flags); | |
334 | ||
335 | } | |
336 | ||
0cf89d1d DW |
337 | static inline void wait_for_start(struct isci_host *ihost) |
338 | { | |
339 | wait_event(ihost->eventq, !test_bit(IHOST_START_PENDING, &ihost->flags)); | |
340 | } | |
341 | ||
342 | static inline void wait_for_stop(struct isci_host *ihost) | |
343 | { | |
344 | wait_event(ihost->eventq, !test_bit(IHOST_STOP_PENDING, &ihost->flags)); | |
345 | } | |
346 | ||
6ad31fec DW |
347 | static inline void wait_for_device_start(struct isci_host *ihost, struct isci_remote_device *idev) |
348 | { | |
349 | wait_event(ihost->eventq, !test_bit(IDEV_START_PENDING, &idev->flags)); | |
350 | } | |
351 | ||
352 | static inline void wait_for_device_stop(struct isci_host *ihost, struct isci_remote_device *idev) | |
353 | { | |
d9c37390 | 354 | wait_event(ihost->eventq, !test_bit(IDEV_STOP_PENDING, &idev->flags)); |
6ad31fec | 355 | } |
0cf89d1d | 356 | |
4393aa4e DW |
357 | static inline struct isci_host *dev_to_ihost(struct domain_device *dev) |
358 | { | |
359 | return dev->port->ha->lldd_ha; | |
360 | } | |
6f231dda | 361 | |
34a99158 DW |
362 | /* we always use protocol engine group zero */ |
363 | #define ISCI_PEG 0 | |
6f231dda | 364 | |
89a7301f | 365 | /* see sci_controller_io_tag_allocate|free for how seq and tci are built */ |
dd047c8e | 366 | #define ISCI_TAG(seq, tci) (((u16) (seq)) << 12 | tci) |
cc9203bf | 367 | |
dd047c8e DW |
368 | /* these are returned by the hardware, so sanitize them */ |
369 | #define ISCI_TAG_SEQ(tag) (((tag) >> 12) & (SCI_MAX_SEQ-1)) | |
370 | #define ISCI_TAG_TCI(tag) ((tag) & (SCI_MAX_IO_REQUESTS-1)) | |
cc9203bf | 371 | |
9b4be528 DW |
372 | /* interrupt coalescing baseline: 9 == 3 to 5us interrupt delay per command */ |
373 | #define ISCI_COALESCE_BASE 9 | |
374 | ||
cc9203bf | 375 | /* expander attached sata devices require 3 rnc slots */ |
89a7301f | 376 | static inline int sci_remote_device_node_count(struct isci_remote_device *idev) |
cc9203bf | 377 | { |
78a6f06e | 378 | struct domain_device *dev = idev->domain_dev; |
cc9203bf DW |
379 | |
380 | if ((dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) && | |
78a6f06e | 381 | !idev->is_direct_attached) |
cc9203bf DW |
382 | return SCU_STP_REMOTE_NODE_COUNT; |
383 | return SCU_SSP_REMOTE_NODE_COUNT; | |
384 | } | |
385 | ||
cc9203bf | 386 | /** |
89a7301f | 387 | * sci_controller_clear_invalid_phy() - |
cc9203bf DW |
388 | * |
389 | * This macro will clear the bit in the invalid phy mask for this controller | |
390 | * object. This is used to control messages reported for invalid link up | |
391 | * notifications. | |
392 | */ | |
89a7301f | 393 | #define sci_controller_clear_invalid_phy(controller, phy) \ |
cc9203bf DW |
394 | ((controller)->invalid_phy_mask &= ~(1 << (phy)->phy_index)) |
395 | ||
85280955 | 396 | static inline struct device *sciphy_to_dev(struct isci_phy *iphy) |
cc9203bf | 397 | { |
cc9203bf DW |
398 | |
399 | if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host) | |
400 | return NULL; | |
401 | ||
402 | return &iphy->isci_port->isci_host->pdev->dev; | |
403 | } | |
404 | ||
ffe191c9 | 405 | static inline struct device *sciport_to_dev(struct isci_port *iport) |
cc9203bf | 406 | { |
cc9203bf DW |
407 | |
408 | if (!iport || !iport->isci_host) | |
409 | return NULL; | |
410 | ||
411 | return &iport->isci_host->pdev->dev; | |
412 | } | |
413 | ||
78a6f06e | 414 | static inline struct device *scirdev_to_dev(struct isci_remote_device *idev) |
cc9203bf | 415 | { |
cc9203bf DW |
416 | if (!idev || !idev->isci_port || !idev->isci_port->isci_host) |
417 | return NULL; | |
418 | ||
419 | return &idev->isci_port->isci_host->pdev->dev; | |
420 | } | |
421 | ||
dc00c8b6 | 422 | static inline bool is_a2(struct pci_dev *pdev) |
cc9203bf | 423 | { |
dc00c8b6 DW |
424 | if (pdev->revision < 4) |
425 | return true; | |
426 | return false; | |
cc9203bf DW |
427 | } |
428 | ||
dc00c8b6 | 429 | static inline bool is_b0(struct pci_dev *pdev) |
cc9203bf | 430 | { |
dc00c8b6 DW |
431 | if (pdev->revision == 4) |
432 | return true; | |
433 | return false; | |
dbb0743a AG |
434 | } |
435 | ||
dc00c8b6 | 436 | static inline bool is_c0(struct pci_dev *pdev) |
dbb0743a | 437 | { |
afd13a1f JS |
438 | if (pdev->revision == 5) |
439 | return true; | |
440 | return false; | |
441 | } | |
442 | ||
443 | static inline bool is_c1(struct pci_dev *pdev) | |
444 | { | |
445 | if (pdev->revision >= 6) | |
dc00c8b6 DW |
446 | return true; |
447 | return false; | |
cc9203bf DW |
448 | } |
449 | ||
ad4f4c1d DW |
450 | /* set hw control for 'activity', even though active enclosures seem to drive |
451 | * the activity led on their own. Skip setting FSENG control on 'status' due | |
452 | * to unexpected operation and 'error' due to not being a supported automatic | |
453 | * FSENG output | |
454 | */ | |
455 | #define SGPIO_HW_CONTROL 0x00000443 | |
456 | ||
457 | static inline int isci_gpio_count(struct isci_host *ihost) | |
458 | { | |
459 | return ARRAY_SIZE(ihost->scu_registers->peg0.sgpio.output_data_select); | |
460 | } | |
461 | ||
89a7301f | 462 | void sci_controller_post_request(struct isci_host *ihost, |
cc9203bf | 463 | u32 request); |
89a7301f | 464 | void sci_controller_release_frame(struct isci_host *ihost, |
cc9203bf | 465 | u32 frame_index); |
89a7301f | 466 | void sci_controller_copy_sata_response(void *response_buffer, |
cc9203bf DW |
467 | void *frame_header, |
468 | void *frame_buffer); | |
89a7301f | 469 | enum sci_status sci_controller_allocate_remote_node_context(struct isci_host *ihost, |
78a6f06e | 470 | struct isci_remote_device *idev, |
cc9203bf | 471 | u16 *node_id); |
89a7301f | 472 | void sci_controller_free_remote_node_context( |
d9dcb4ba | 473 | struct isci_host *ihost, |
78a6f06e | 474 | struct isci_remote_device *idev, |
cc9203bf | 475 | u16 node_id); |
cc9203bf | 476 | |
89a7301f | 477 | struct isci_request *sci_request_by_tag(struct isci_host *ihost, |
cc9203bf DW |
478 | u16 io_tag); |
479 | ||
89a7301f | 480 | void sci_controller_power_control_queue_insert( |
d9dcb4ba | 481 | struct isci_host *ihost, |
85280955 | 482 | struct isci_phy *iphy); |
cc9203bf | 483 | |
89a7301f | 484 | void sci_controller_power_control_queue_remove( |
d9dcb4ba | 485 | struct isci_host *ihost, |
85280955 | 486 | struct isci_phy *iphy); |
cc9203bf | 487 | |
89a7301f | 488 | void sci_controller_link_up( |
d9dcb4ba | 489 | struct isci_host *ihost, |
ffe191c9 | 490 | struct isci_port *iport, |
85280955 | 491 | struct isci_phy *iphy); |
cc9203bf | 492 | |
89a7301f | 493 | void sci_controller_link_down( |
d9dcb4ba | 494 | struct isci_host *ihost, |
ffe191c9 | 495 | struct isci_port *iport, |
85280955 | 496 | struct isci_phy *iphy); |
cc9203bf | 497 | |
89a7301f | 498 | void sci_controller_remote_device_stopped( |
d9dcb4ba | 499 | struct isci_host *ihost, |
78a6f06e | 500 | struct isci_remote_device *idev); |
cc9203bf | 501 | |
89a7301f | 502 | void sci_controller_copy_task_context( |
d9dcb4ba | 503 | struct isci_host *ihost, |
5076a1a9 | 504 | struct isci_request *ireq); |
cc9203bf | 505 | |
89a7301f | 506 | void sci_controller_register_setup(struct isci_host *ihost); |
cc9203bf | 507 | |
89a7301f | 508 | enum sci_status sci_controller_continue_io(struct isci_request *ireq); |
cc9203bf DW |
509 | int isci_host_scan_finished(struct Scsi_Host *, unsigned long); |
510 | void isci_host_scan_start(struct Scsi_Host *); | |
312e0c24 DW |
511 | u16 isci_alloc_tag(struct isci_host *ihost); |
512 | enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag); | |
513 | void isci_tci_free(struct isci_host *ihost, u16 tci); | |
6f231dda DW |
514 | |
515 | int isci_host_init(struct isci_host *); | |
516 | ||
517 | void isci_host_init_controller_names( | |
518 | struct isci_host *isci_host, | |
519 | unsigned int controller_idx); | |
520 | ||
521 | void isci_host_deinit( | |
522 | struct isci_host *); | |
523 | ||
524 | void isci_host_port_link_up( | |
525 | struct isci_host *, | |
ffe191c9 | 526 | struct isci_port *, |
85280955 | 527 | struct isci_phy *); |
6f231dda DW |
528 | int isci_host_dev_found(struct domain_device *); |
529 | ||
530 | void isci_host_remote_device_start_complete( | |
531 | struct isci_host *, | |
532 | struct isci_remote_device *, | |
533 | enum sci_status); | |
534 | ||
89a7301f | 535 | void sci_controller_disable_interrupts( |
d9dcb4ba | 536 | struct isci_host *ihost); |
cc9203bf | 537 | |
89a7301f | 538 | enum sci_status sci_controller_start_io( |
d9dcb4ba | 539 | struct isci_host *ihost, |
78a6f06e | 540 | struct isci_remote_device *idev, |
5076a1a9 | 541 | struct isci_request *ireq); |
cc9203bf | 542 | |
89a7301f | 543 | enum sci_task_status sci_controller_start_task( |
d9dcb4ba | 544 | struct isci_host *ihost, |
78a6f06e | 545 | struct isci_remote_device *idev, |
5076a1a9 | 546 | struct isci_request *ireq); |
cc9203bf | 547 | |
89a7301f | 548 | enum sci_status sci_controller_terminate_request( |
d9dcb4ba | 549 | struct isci_host *ihost, |
78a6f06e | 550 | struct isci_remote_device *idev, |
5076a1a9 | 551 | struct isci_request *ireq); |
cc9203bf | 552 | |
89a7301f | 553 | enum sci_status sci_controller_complete_io( |
d9dcb4ba | 554 | struct isci_host *ihost, |
78a6f06e | 555 | struct isci_remote_device *idev, |
5076a1a9 | 556 | struct isci_request *ireq); |
cc9203bf | 557 | |
89a7301f DW |
558 | void sci_port_configuration_agent_construct( |
559 | struct sci_port_configuration_agent *port_agent); | |
e2f8db50 | 560 | |
89a7301f | 561 | enum sci_status sci_port_configuration_agent_initialize( |
d9dcb4ba | 562 | struct isci_host *ihost, |
89a7301f | 563 | struct sci_port_configuration_agent *port_agent); |
ad4f4c1d DW |
564 | |
565 | int isci_gpio_write(struct sas_ha_struct *, u8 reg_type, u8 reg_index, | |
566 | u8 reg_count, u8 *write_data); | |
cc9203bf | 567 | #endif |