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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * PS3 Storage Library
4 *
5 * Copyright (C) 2007 Sony Computer Entertainment Inc.
6 * Copyright 2007 Sony Corp.
7 */
8
9#include <linux/dma-mapping.h>
10#include <linux/module.h>
11
12#include <asm/lv1call.h>
13#include <asm/ps3stor.h>
14
15/*
16 * A workaround for flash memory I/O errors when the internal hard disk
17 * has not been formatted for OtherOS use. Delay disk close until flash
18 * memory is closed.
19 */
20
21static struct ps3_flash_workaround {
22 int flash_open;
23 int disk_open;
24 struct ps3_system_bus_device *disk_sbd;
25} ps3_flash_workaround;
26
27static int ps3stor_open_hv_device(struct ps3_system_bus_device *sbd)
28{
29 int error = ps3_open_hv_device(sbd);
30
31 if (error)
32 return error;
33
34 if (sbd->match_id == PS3_MATCH_ID_STOR_FLASH)
35 ps3_flash_workaround.flash_open = 1;
36
37 if (sbd->match_id == PS3_MATCH_ID_STOR_DISK)
38 ps3_flash_workaround.disk_open = 1;
39
40 return 0;
41}
42
43static int ps3stor_close_hv_device(struct ps3_system_bus_device *sbd)
44{
45 int error;
46
47 if (sbd->match_id == PS3_MATCH_ID_STOR_DISK
48 && ps3_flash_workaround.disk_open
49 && ps3_flash_workaround.flash_open) {
50 ps3_flash_workaround.disk_sbd = sbd;
51 return 0;
52 }
53
54 error = ps3_close_hv_device(sbd);
55
56 if (error)
57 return error;
58
59 if (sbd->match_id == PS3_MATCH_ID_STOR_DISK)
60 ps3_flash_workaround.disk_open = 0;
61
62 if (sbd->match_id == PS3_MATCH_ID_STOR_FLASH) {
63 ps3_flash_workaround.flash_open = 0;
64
65 if (ps3_flash_workaround.disk_sbd) {
66 ps3_close_hv_device(ps3_flash_workaround.disk_sbd);
67 ps3_flash_workaround.disk_open = 0;
68 ps3_flash_workaround.disk_sbd = NULL;
69 }
70 }
71
72 return 0;
73}
74
75static int ps3stor_probe_access(struct ps3_storage_device *dev)
76{
77 int res, error;
78 unsigned int i;
79 unsigned long n;
80
81 if (dev->sbd.match_id == PS3_MATCH_ID_STOR_ROM) {
82 /* special case: CD-ROM is assumed always accessible */
83 dev->accessible_regions = 1;
84 return 0;
85 }
86
87 error = -EPERM;
88 for (i = 0; i < dev->num_regions; i++) {
89 dev_dbg(&dev->sbd.core,
90 "%s:%u: checking accessibility of region %u\n",
91 __func__, __LINE__, i);
92
93 dev->region_idx = i;
94 res = ps3stor_read_write_sectors(dev, dev->bounce_lpar, 0, 1,
95 0);
96 if (res) {
97 dev_dbg(&dev->sbd.core, "%s:%u: read failed, "
98 "region %u is not accessible\n", __func__,
99 __LINE__, i);
100 continue;
101 }
102
103 dev_dbg(&dev->sbd.core, "%s:%u: region %u is accessible\n",
104 __func__, __LINE__, i);
105 set_bit(i, &dev->accessible_regions);
106
107 /* We can access at least one region */
108 error = 0;
109 }
110 if (error)
111 return error;
112
113 n = hweight_long(dev->accessible_regions);
114 if (n > 1)
115 dev_info(&dev->sbd.core,
116 "%s:%u: %lu accessible regions found. Only the first "
117 "one will be used\n",
118 __func__, __LINE__, n);
119 dev->region_idx = __ffs(dev->accessible_regions);
120 dev_info(&dev->sbd.core,
121 "First accessible region has index %u start %llu size %llu\n",
122 dev->region_idx, dev->regions[dev->region_idx].start,
123 dev->regions[dev->region_idx].size);
124
125 return 0;
126}
127
128
129/**
130 * ps3stor_setup - Setup a storage device before use
131 * @dev: Pointer to a struct ps3_storage_device
132 * @handler: Pointer to an interrupt handler
133 *
134 * Returns 0 for success, or an error code
135 */
136int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler)
137{
138 int error, res, alignment;
139 enum ps3_dma_page_size page_size;
140
141 error = ps3stor_open_hv_device(&dev->sbd);
142 if (error) {
143 dev_err(&dev->sbd.core,
144 "%s:%u: ps3_open_hv_device failed %d\n", __func__,
145 __LINE__, error);
146 goto fail;
147 }
148
149 error = ps3_sb_event_receive_port_setup(&dev->sbd, PS3_BINDING_CPU_ANY,
150 &dev->irq);
151 if (error) {
152 dev_err(&dev->sbd.core,
153 "%s:%u: ps3_sb_event_receive_port_setup failed %d\n",
154 __func__, __LINE__, error);
155 goto fail_close_device;
156 }
157
158 error = request_irq(dev->irq, handler, 0,
159 dev->sbd.core.driver->name, dev);
160 if (error) {
161 dev_err(&dev->sbd.core, "%s:%u: request_irq failed %d\n",
162 __func__, __LINE__, error);
163 goto fail_sb_event_receive_port_destroy;
164 }
165
166 alignment = min(__ffs(dev->bounce_size),
167 __ffs((unsigned long)dev->bounce_buf));
168 if (alignment < 12) {
169 dev_err(&dev->sbd.core,
170 "%s:%u: bounce buffer not aligned (%lx at 0x%p)\n",
171 __func__, __LINE__, dev->bounce_size, dev->bounce_buf);
172 error = -EINVAL;
173 goto fail_free_irq;
174 } else if (alignment < 16)
175 page_size = PS3_DMA_4K;
176 else
177 page_size = PS3_DMA_64K;
178 dev->sbd.d_region = &dev->dma_region;
179 ps3_dma_region_init(&dev->sbd, &dev->dma_region, page_size,
180 PS3_DMA_OTHER, dev->bounce_buf, dev->bounce_size);
181 res = ps3_dma_region_create(&dev->dma_region);
182 if (res) {
183 dev_err(&dev->sbd.core, "%s:%u: cannot create DMA region\n",
184 __func__, __LINE__);
185 error = -ENOMEM;
186 goto fail_free_irq;
187 }
188
189 dev->bounce_lpar = ps3_mm_phys_to_lpar(__pa(dev->bounce_buf));
190 dev->bounce_dma = dma_map_single(&dev->sbd.core, dev->bounce_buf,
191 dev->bounce_size, DMA_BIDIRECTIONAL);
192 if (dma_mapping_error(&dev->sbd.core, dev->bounce_dma)) {
193 dev_err(&dev->sbd.core, "%s:%u: map DMA region failed\n",
194 __func__, __LINE__);
195 error = -ENODEV;
196 goto fail_free_dma;
197 }
198
199 error = ps3stor_probe_access(dev);
200 if (error) {
201 dev_err(&dev->sbd.core, "%s:%u: No accessible regions found\n",
202 __func__, __LINE__);
203 goto fail_unmap_dma;
204 }
205 return 0;
206
207fail_unmap_dma:
208 dma_unmap_single(&dev->sbd.core, dev->bounce_dma, dev->bounce_size,
209 DMA_BIDIRECTIONAL);
210fail_free_dma:
211 ps3_dma_region_free(&dev->dma_region);
212fail_free_irq:
213 free_irq(dev->irq, dev);
214fail_sb_event_receive_port_destroy:
215 ps3_sb_event_receive_port_destroy(&dev->sbd, dev->irq);
216fail_close_device:
217 ps3stor_close_hv_device(&dev->sbd);
218fail:
219 return error;
220}
221EXPORT_SYMBOL_GPL(ps3stor_setup);
222
223
224/**
225 * ps3stor_teardown - Tear down a storage device after use
226 * @dev: Pointer to a struct ps3_storage_device
227 */
228void ps3stor_teardown(struct ps3_storage_device *dev)
229{
230 int error;
231
232 dma_unmap_single(&dev->sbd.core, dev->bounce_dma, dev->bounce_size,
233 DMA_BIDIRECTIONAL);
234 ps3_dma_region_free(&dev->dma_region);
235
236 free_irq(dev->irq, dev);
237
238 error = ps3_sb_event_receive_port_destroy(&dev->sbd, dev->irq);
239 if (error)
240 dev_err(&dev->sbd.core,
241 "%s:%u: destroy event receive port failed %d\n",
242 __func__, __LINE__, error);
243
244 error = ps3stor_close_hv_device(&dev->sbd);
245 if (error)
246 dev_err(&dev->sbd.core,
247 "%s:%u: ps3_close_hv_device failed %d\n", __func__,
248 __LINE__, error);
249}
250EXPORT_SYMBOL_GPL(ps3stor_teardown);
251
252
253/**
254 * ps3stor_read_write_sectors - read/write from/to a storage device
255 * @dev: Pointer to a struct ps3_storage_device
256 * @lpar: HV logical partition address
257 * @start_sector: First sector to read/write
258 * @sectors: Number of sectors to read/write
259 * @write: Flag indicating write (non-zero) or read (zero)
260 *
261 * Returns 0 for success, -1 in case of failure to submit the command, or
262 * an LV1 status value in case of other errors
263 */
264u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
265 u64 start_sector, u64 sectors, int write)
266{
267 unsigned int region_id = dev->regions[dev->region_idx].id;
268 const char *op = write ? "write" : "read";
269 int res;
270
271 dev_dbg(&dev->sbd.core, "%s:%u: %s %llu sectors starting at %llu\n",
272 __func__, __LINE__, op, sectors, start_sector);
273
274 init_completion(&dev->done);
275 res = write ? lv1_storage_write(dev->sbd.dev_id, region_id,
276 start_sector, sectors, 0, lpar,
277 &dev->tag)
278 : lv1_storage_read(dev->sbd.dev_id, region_id,
279 start_sector, sectors, 0, lpar,
280 &dev->tag);
281 if (res) {
282 dev_dbg(&dev->sbd.core, "%s:%u: %s failed %d\n", __func__,
283 __LINE__, op, res);
284 return -1;
285 }
286
287 wait_for_completion(&dev->done);
288 if (dev->lv1_status) {
289 dev_dbg(&dev->sbd.core, "%s:%u: %s failed 0x%llx\n", __func__,
290 __LINE__, op, dev->lv1_status);
291 return dev->lv1_status;
292 }
293
294 dev_dbg(&dev->sbd.core, "%s:%u: %s completed\n", __func__, __LINE__,
295 op);
296
297 return 0;
298}
299EXPORT_SYMBOL_GPL(ps3stor_read_write_sectors);
300
301
302/**
303 * ps3stor_send_command - send a device command to a storage device
304 * @dev: Pointer to a struct ps3_storage_device
305 * @cmd: Command number
306 * @arg1: First command argument
307 * @arg2: Second command argument
308 * @arg3: Third command argument
309 * @arg4: Fourth command argument
310 *
311 * Returns 0 for success, -1 in case of failure to submit the command, or
312 * an LV1 status value in case of other errors
313 */
314u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd, u64 arg1,
315 u64 arg2, u64 arg3, u64 arg4)
316{
317 int res;
318
319 dev_dbg(&dev->sbd.core, "%s:%u: send device command 0x%llx\n", __func__,
320 __LINE__, cmd);
321
322 init_completion(&dev->done);
323
324 res = lv1_storage_send_device_command(dev->sbd.dev_id, cmd, arg1,
325 arg2, arg3, arg4, &dev->tag);
326 if (res) {
327 dev_err(&dev->sbd.core,
328 "%s:%u: send_device_command 0x%llx failed %d\n",
329 __func__, __LINE__, cmd, res);
330 return -1;
331 }
332
333 wait_for_completion(&dev->done);
334 if (dev->lv1_status) {
335 dev_dbg(&dev->sbd.core, "%s:%u: command 0x%llx failed 0x%llx\n",
336 __func__, __LINE__, cmd, dev->lv1_status);
337 return dev->lv1_status;
338 }
339
340 dev_dbg(&dev->sbd.core, "%s:%u: command 0x%llx completed\n", __func__,
341 __LINE__, cmd);
342
343 return 0;
344}
345EXPORT_SYMBOL_GPL(ps3stor_send_command);
346
347
348MODULE_LICENSE("GPL");
349MODULE_DESCRIPTION("PS3 Storage Bus Library");
350MODULE_AUTHOR("Sony Corporation");
1/*
2 * PS3 Storage Library
3 *
4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
5 * Copyright 2007 Sony Corp.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published
9 * by the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21#include <linux/dma-mapping.h>
22
23#include <asm/lv1call.h>
24#include <asm/ps3stor.h>
25
26/*
27 * A workaround for flash memory I/O errors when the internal hard disk
28 * has not been formatted for OtherOS use. Delay disk close until flash
29 * memory is closed.
30 */
31
32static struct ps3_flash_workaround {
33 int flash_open;
34 int disk_open;
35 struct ps3_system_bus_device *disk_sbd;
36} ps3_flash_workaround;
37
38static int ps3stor_open_hv_device(struct ps3_system_bus_device *sbd)
39{
40 int error = ps3_open_hv_device(sbd);
41
42 if (error)
43 return error;
44
45 if (sbd->match_id == PS3_MATCH_ID_STOR_FLASH)
46 ps3_flash_workaround.flash_open = 1;
47
48 if (sbd->match_id == PS3_MATCH_ID_STOR_DISK)
49 ps3_flash_workaround.disk_open = 1;
50
51 return 0;
52}
53
54static int ps3stor_close_hv_device(struct ps3_system_bus_device *sbd)
55{
56 int error;
57
58 if (sbd->match_id == PS3_MATCH_ID_STOR_DISK
59 && ps3_flash_workaround.disk_open
60 && ps3_flash_workaround.flash_open) {
61 ps3_flash_workaround.disk_sbd = sbd;
62 return 0;
63 }
64
65 error = ps3_close_hv_device(sbd);
66
67 if (error)
68 return error;
69
70 if (sbd->match_id == PS3_MATCH_ID_STOR_DISK)
71 ps3_flash_workaround.disk_open = 0;
72
73 if (sbd->match_id == PS3_MATCH_ID_STOR_FLASH) {
74 ps3_flash_workaround.flash_open = 0;
75
76 if (ps3_flash_workaround.disk_sbd) {
77 ps3_close_hv_device(ps3_flash_workaround.disk_sbd);
78 ps3_flash_workaround.disk_open = 0;
79 ps3_flash_workaround.disk_sbd = NULL;
80 }
81 }
82
83 return 0;
84}
85
86static int ps3stor_probe_access(struct ps3_storage_device *dev)
87{
88 int res, error;
89 unsigned int i;
90 unsigned long n;
91
92 if (dev->sbd.match_id == PS3_MATCH_ID_STOR_ROM) {
93 /* special case: CD-ROM is assumed always accessible */
94 dev->accessible_regions = 1;
95 return 0;
96 }
97
98 error = -EPERM;
99 for (i = 0; i < dev->num_regions; i++) {
100 dev_dbg(&dev->sbd.core,
101 "%s:%u: checking accessibility of region %u\n",
102 __func__, __LINE__, i);
103
104 dev->region_idx = i;
105 res = ps3stor_read_write_sectors(dev, dev->bounce_lpar, 0, 1,
106 0);
107 if (res) {
108 dev_dbg(&dev->sbd.core, "%s:%u: read failed, "
109 "region %u is not accessible\n", __func__,
110 __LINE__, i);
111 continue;
112 }
113
114 dev_dbg(&dev->sbd.core, "%s:%u: region %u is accessible\n",
115 __func__, __LINE__, i);
116 set_bit(i, &dev->accessible_regions);
117
118 /* We can access at least one region */
119 error = 0;
120 }
121 if (error)
122 return error;
123
124 n = hweight_long(dev->accessible_regions);
125 if (n > 1)
126 dev_info(&dev->sbd.core,
127 "%s:%u: %lu accessible regions found. Only the first "
128 "one will be used\n",
129 __func__, __LINE__, n);
130 dev->region_idx = __ffs(dev->accessible_regions);
131 dev_info(&dev->sbd.core,
132 "First accessible region has index %u start %llu size %llu\n",
133 dev->region_idx, dev->regions[dev->region_idx].start,
134 dev->regions[dev->region_idx].size);
135
136 return 0;
137}
138
139
140/**
141 * ps3stor_setup - Setup a storage device before use
142 * @dev: Pointer to a struct ps3_storage_device
143 * @handler: Pointer to an interrupt handler
144 *
145 * Returns 0 for success, or an error code
146 */
147int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler)
148{
149 int error, res, alignment;
150 enum ps3_dma_page_size page_size;
151
152 error = ps3stor_open_hv_device(&dev->sbd);
153 if (error) {
154 dev_err(&dev->sbd.core,
155 "%s:%u: ps3_open_hv_device failed %d\n", __func__,
156 __LINE__, error);
157 goto fail;
158 }
159
160 error = ps3_sb_event_receive_port_setup(&dev->sbd, PS3_BINDING_CPU_ANY,
161 &dev->irq);
162 if (error) {
163 dev_err(&dev->sbd.core,
164 "%s:%u: ps3_sb_event_receive_port_setup failed %d\n",
165 __func__, __LINE__, error);
166 goto fail_close_device;
167 }
168
169 error = request_irq(dev->irq, handler, IRQF_DISABLED,
170 dev->sbd.core.driver->name, dev);
171 if (error) {
172 dev_err(&dev->sbd.core, "%s:%u: request_irq failed %d\n",
173 __func__, __LINE__, error);
174 goto fail_sb_event_receive_port_destroy;
175 }
176
177 alignment = min(__ffs(dev->bounce_size),
178 __ffs((unsigned long)dev->bounce_buf));
179 if (alignment < 12) {
180 dev_err(&dev->sbd.core,
181 "%s:%u: bounce buffer not aligned (%lx at 0x%p)\n",
182 __func__, __LINE__, dev->bounce_size, dev->bounce_buf);
183 error = -EINVAL;
184 goto fail_free_irq;
185 } else if (alignment < 16)
186 page_size = PS3_DMA_4K;
187 else
188 page_size = PS3_DMA_64K;
189 dev->sbd.d_region = &dev->dma_region;
190 ps3_dma_region_init(&dev->sbd, &dev->dma_region, page_size,
191 PS3_DMA_OTHER, dev->bounce_buf, dev->bounce_size);
192 res = ps3_dma_region_create(&dev->dma_region);
193 if (res) {
194 dev_err(&dev->sbd.core, "%s:%u: cannot create DMA region\n",
195 __func__, __LINE__);
196 error = -ENOMEM;
197 goto fail_free_irq;
198 }
199
200 dev->bounce_lpar = ps3_mm_phys_to_lpar(__pa(dev->bounce_buf));
201 dev->bounce_dma = dma_map_single(&dev->sbd.core, dev->bounce_buf,
202 dev->bounce_size, DMA_BIDIRECTIONAL);
203 if (!dev->bounce_dma) {
204 dev_err(&dev->sbd.core, "%s:%u: map DMA region failed\n",
205 __func__, __LINE__);
206 error = -ENODEV;
207 goto fail_free_dma;
208 }
209
210 error = ps3stor_probe_access(dev);
211 if (error) {
212 dev_err(&dev->sbd.core, "%s:%u: No accessible regions found\n",
213 __func__, __LINE__);
214 goto fail_unmap_dma;
215 }
216 return 0;
217
218fail_unmap_dma:
219 dma_unmap_single(&dev->sbd.core, dev->bounce_dma, dev->bounce_size,
220 DMA_BIDIRECTIONAL);
221fail_free_dma:
222 ps3_dma_region_free(&dev->dma_region);
223fail_free_irq:
224 free_irq(dev->irq, dev);
225fail_sb_event_receive_port_destroy:
226 ps3_sb_event_receive_port_destroy(&dev->sbd, dev->irq);
227fail_close_device:
228 ps3stor_close_hv_device(&dev->sbd);
229fail:
230 return error;
231}
232EXPORT_SYMBOL_GPL(ps3stor_setup);
233
234
235/**
236 * ps3stor_teardown - Tear down a storage device after use
237 * @dev: Pointer to a struct ps3_storage_device
238 */
239void ps3stor_teardown(struct ps3_storage_device *dev)
240{
241 int error;
242
243 dma_unmap_single(&dev->sbd.core, dev->bounce_dma, dev->bounce_size,
244 DMA_BIDIRECTIONAL);
245 ps3_dma_region_free(&dev->dma_region);
246
247 free_irq(dev->irq, dev);
248
249 error = ps3_sb_event_receive_port_destroy(&dev->sbd, dev->irq);
250 if (error)
251 dev_err(&dev->sbd.core,
252 "%s:%u: destroy event receive port failed %d\n",
253 __func__, __LINE__, error);
254
255 error = ps3stor_close_hv_device(&dev->sbd);
256 if (error)
257 dev_err(&dev->sbd.core,
258 "%s:%u: ps3_close_hv_device failed %d\n", __func__,
259 __LINE__, error);
260}
261EXPORT_SYMBOL_GPL(ps3stor_teardown);
262
263
264/**
265 * ps3stor_read_write_sectors - read/write from/to a storage device
266 * @dev: Pointer to a struct ps3_storage_device
267 * @lpar: HV logical partition address
268 * @start_sector: First sector to read/write
269 * @sectors: Number of sectors to read/write
270 * @write: Flag indicating write (non-zero) or read (zero)
271 *
272 * Returns 0 for success, -1 in case of failure to submit the command, or
273 * an LV1 status value in case of other errors
274 */
275u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
276 u64 start_sector, u64 sectors, int write)
277{
278 unsigned int region_id = dev->regions[dev->region_idx].id;
279 const char *op = write ? "write" : "read";
280 int res;
281
282 dev_dbg(&dev->sbd.core, "%s:%u: %s %llu sectors starting at %llu\n",
283 __func__, __LINE__, op, sectors, start_sector);
284
285 init_completion(&dev->done);
286 res = write ? lv1_storage_write(dev->sbd.dev_id, region_id,
287 start_sector, sectors, 0, lpar,
288 &dev->tag)
289 : lv1_storage_read(dev->sbd.dev_id, region_id,
290 start_sector, sectors, 0, lpar,
291 &dev->tag);
292 if (res) {
293 dev_dbg(&dev->sbd.core, "%s:%u: %s failed %d\n", __func__,
294 __LINE__, op, res);
295 return -1;
296 }
297
298 wait_for_completion(&dev->done);
299 if (dev->lv1_status) {
300 dev_dbg(&dev->sbd.core, "%s:%u: %s failed 0x%llx\n", __func__,
301 __LINE__, op, dev->lv1_status);
302 return dev->lv1_status;
303 }
304
305 dev_dbg(&dev->sbd.core, "%s:%u: %s completed\n", __func__, __LINE__,
306 op);
307
308 return 0;
309}
310EXPORT_SYMBOL_GPL(ps3stor_read_write_sectors);
311
312
313/**
314 * ps3stor_send_command - send a device command to a storage device
315 * @dev: Pointer to a struct ps3_storage_device
316 * @cmd: Command number
317 * @arg1: First command argument
318 * @arg2: Second command argument
319 * @arg3: Third command argument
320 * @arg4: Fourth command argument
321 *
322 * Returns 0 for success, -1 in case of failure to submit the command, or
323 * an LV1 status value in case of other errors
324 */
325u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd, u64 arg1,
326 u64 arg2, u64 arg3, u64 arg4)
327{
328 int res;
329
330 dev_dbg(&dev->sbd.core, "%s:%u: send device command 0x%llx\n", __func__,
331 __LINE__, cmd);
332
333 init_completion(&dev->done);
334
335 res = lv1_storage_send_device_command(dev->sbd.dev_id, cmd, arg1,
336 arg2, arg3, arg4, &dev->tag);
337 if (res) {
338 dev_err(&dev->sbd.core,
339 "%s:%u: send_device_command 0x%llx failed %d\n",
340 __func__, __LINE__, cmd, res);
341 return -1;
342 }
343
344 wait_for_completion(&dev->done);
345 if (dev->lv1_status) {
346 dev_dbg(&dev->sbd.core, "%s:%u: command 0x%llx failed 0x%llx\n",
347 __func__, __LINE__, cmd, dev->lv1_status);
348 return dev->lv1_status;
349 }
350
351 dev_dbg(&dev->sbd.core, "%s:%u: command 0x%llx completed\n", __func__,
352 __LINE__, cmd);
353
354 return 0;
355}
356EXPORT_SYMBOL_GPL(ps3stor_send_command);
357
358
359MODULE_LICENSE("GPL");
360MODULE_DESCRIPTION("PS3 Storage Bus Library");
361MODULE_AUTHOR("Sony Corporation");