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67207b96 AB |
1 | /* |
2 | * SPU file system -- file contents | |
3 | * | |
4 | * (C) Copyright IBM Deutschland Entwicklung GmbH 2005 | |
5 | * | |
6 | * Author: Arnd Bergmann <arndb@de.ibm.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU 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., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | */ | |
22 | ||
a33a7d73 AB |
23 | #undef DEBUG |
24 | ||
67207b96 AB |
25 | #include <linux/fs.h> |
26 | #include <linux/ioctl.h> | |
27 | #include <linux/module.h> | |
d88cfffa | 28 | #include <linux/pagemap.h> |
67207b96 | 29 | #include <linux/poll.h> |
5110459f | 30 | #include <linux/ptrace.h> |
67207b96 AB |
31 | |
32 | #include <asm/io.h> | |
33 | #include <asm/semaphore.h> | |
34 | #include <asm/spu.h> | |
b9e3bd77 | 35 | #include <asm/spu_info.h> |
67207b96 AB |
36 | #include <asm/uaccess.h> |
37 | ||
38 | #include "spufs.h" | |
39 | ||
27d5bf2a BH |
40 | #define SPUFS_MMAP_4K (PAGE_SIZE == 0x1000) |
41 | ||
67207b96 AB |
42 | static int |
43 | spufs_mem_open(struct inode *inode, struct file *file) | |
44 | { | |
45 | struct spufs_inode_info *i = SPUFS_I(inode); | |
6df10a82 | 46 | struct spu_context *ctx = i->i_ctx; |
43c2bbd9 CH |
47 | |
48 | spin_lock(&ctx->mapping_lock); | |
6df10a82 | 49 | file->private_data = ctx; |
43c2bbd9 CH |
50 | if (!i->i_openers++) |
51 | ctx->local_store = inode->i_mapping; | |
52 | spin_unlock(&ctx->mapping_lock); | |
53 | smp_wmb(); | |
54 | return 0; | |
55 | } | |
56 | ||
57 | static int | |
58 | spufs_mem_release(struct inode *inode, struct file *file) | |
59 | { | |
60 | struct spufs_inode_info *i = SPUFS_I(inode); | |
61 | struct spu_context *ctx = i->i_ctx; | |
62 | ||
63 | spin_lock(&ctx->mapping_lock); | |
64 | if (!--i->i_openers) | |
65 | ctx->local_store = NULL; | |
66 | spin_unlock(&ctx->mapping_lock); | |
17e0e270 | 67 | smp_wmb(); |
67207b96 AB |
68 | return 0; |
69 | } | |
70 | ||
bf1ab978 DGM |
71 | static ssize_t |
72 | __spufs_mem_read(struct spu_context *ctx, char __user *buffer, | |
73 | size_t size, loff_t *pos) | |
74 | { | |
75 | char *local_store = ctx->ops->get_ls(ctx); | |
76 | return simple_read_from_buffer(buffer, size, pos, local_store, | |
77 | LS_SIZE); | |
78 | } | |
79 | ||
67207b96 AB |
80 | static ssize_t |
81 | spufs_mem_read(struct file *file, char __user *buffer, | |
82 | size_t size, loff_t *pos) | |
83 | { | |
bf1ab978 | 84 | struct spu_context *ctx = file->private_data; |
aa0ed2bd | 85 | ssize_t ret; |
67207b96 | 86 | |
8b3d6663 | 87 | spu_acquire(ctx); |
bf1ab978 | 88 | ret = __spufs_mem_read(ctx, buffer, size, pos); |
8b3d6663 | 89 | spu_release(ctx); |
67207b96 AB |
90 | return ret; |
91 | } | |
92 | ||
93 | static ssize_t | |
94 | spufs_mem_write(struct file *file, const char __user *buffer, | |
aa0ed2bd | 95 | size_t size, loff_t *ppos) |
67207b96 AB |
96 | { |
97 | struct spu_context *ctx = file->private_data; | |
8b3d6663 | 98 | char *local_store; |
aa0ed2bd | 99 | loff_t pos = *ppos; |
8b3d6663 | 100 | int ret; |
67207b96 | 101 | |
aa0ed2bd AB |
102 | if (pos < 0) |
103 | return -EINVAL; | |
104 | if (pos > LS_SIZE) | |
67207b96 | 105 | return -EFBIG; |
aa0ed2bd AB |
106 | if (size > LS_SIZE - pos) |
107 | size = LS_SIZE - pos; | |
8b3d6663 AB |
108 | |
109 | spu_acquire(ctx); | |
8b3d6663 | 110 | local_store = ctx->ops->get_ls(ctx); |
aa0ed2bd | 111 | ret = copy_from_user(local_store + pos, buffer, size); |
8b3d6663 | 112 | spu_release(ctx); |
aa0ed2bd AB |
113 | |
114 | if (ret) | |
115 | return -EFAULT; | |
116 | *ppos = pos + size; | |
117 | return size; | |
67207b96 AB |
118 | } |
119 | ||
78bde53e BH |
120 | static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma, |
121 | unsigned long address) | |
8b3d6663 | 122 | { |
8b3d6663 | 123 | struct spu_context *ctx = vma->vm_file->private_data; |
78bde53e BH |
124 | unsigned long pfn, offset = address - vma->vm_start; |
125 | ||
8b3d6663 AB |
126 | offset += vma->vm_pgoff << PAGE_SHIFT; |
127 | ||
128b8546 MN |
128 | if (offset >= LS_SIZE) |
129 | return NOPFN_SIGBUS; | |
130 | ||
8b3d6663 AB |
131 | spu_acquire(ctx); |
132 | ||
ac91cb8d AB |
133 | if (ctx->state == SPU_STATE_SAVED) { |
134 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) | |
932f535d | 135 | & ~_PAGE_NO_CACHE); |
78bde53e | 136 | pfn = vmalloc_to_pfn(ctx->csa.lscsa->ls + offset); |
ac91cb8d AB |
137 | } else { |
138 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) | |
78bde53e BH |
139 | | _PAGE_NO_CACHE); |
140 | pfn = (ctx->spu->local_store_phys + offset) >> PAGE_SHIFT; | |
ac91cb8d | 141 | } |
78bde53e | 142 | vm_insert_pfn(vma, address, pfn); |
8b3d6663 | 143 | |
78bde53e | 144 | spu_release(ctx); |
8b3d6663 | 145 | |
78bde53e | 146 | return NOPFN_REFAULT; |
8b3d6663 AB |
147 | } |
148 | ||
78bde53e | 149 | |
8b3d6663 | 150 | static struct vm_operations_struct spufs_mem_mmap_vmops = { |
78bde53e | 151 | .nopfn = spufs_mem_mmap_nopfn, |
8b3d6663 AB |
152 | }; |
153 | ||
67207b96 AB |
154 | static int |
155 | spufs_mem_mmap(struct file *file, struct vm_area_struct *vma) | |
156 | { | |
8b3d6663 AB |
157 | if (!(vma->vm_flags & VM_SHARED)) |
158 | return -EINVAL; | |
67207b96 | 159 | |
78bde53e | 160 | vma->vm_flags |= VM_IO | VM_PFNMAP; |
8b3d6663 AB |
161 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) |
162 | | _PAGE_NO_CACHE); | |
163 | ||
164 | vma->vm_ops = &spufs_mem_mmap_vmops; | |
67207b96 AB |
165 | return 0; |
166 | } | |
167 | ||
5dfe4c96 | 168 | static const struct file_operations spufs_mem_fops = { |
67207b96 | 169 | .open = spufs_mem_open, |
43c2bbd9 | 170 | .release = spufs_mem_release, |
67207b96 AB |
171 | .read = spufs_mem_read, |
172 | .write = spufs_mem_write, | |
8b3d6663 | 173 | .llseek = generic_file_llseek, |
67207b96 | 174 | .mmap = spufs_mem_mmap, |
8b3d6663 AB |
175 | }; |
176 | ||
78bde53e | 177 | static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, |
6df10a82 | 178 | unsigned long address, |
78bde53e | 179 | unsigned long ps_offs, |
27d5bf2a | 180 | unsigned long ps_size) |
6df10a82 | 181 | { |
6df10a82 | 182 | struct spu_context *ctx = vma->vm_file->private_data; |
78bde53e | 183 | unsigned long area, offset = address - vma->vm_start; |
6df10a82 MN |
184 | int ret; |
185 | ||
186 | offset += vma->vm_pgoff << PAGE_SHIFT; | |
27d5bf2a | 187 | if (offset >= ps_size) |
78bde53e | 188 | return NOPFN_SIGBUS; |
6df10a82 | 189 | |
78bde53e BH |
190 | /* error here usually means a signal.. we might want to test |
191 | * the error code more precisely though | |
192 | */ | |
26bec673 | 193 | ret = spu_acquire_runnable(ctx, 0); |
6df10a82 | 194 | if (ret) |
78bde53e | 195 | return NOPFN_REFAULT; |
6df10a82 MN |
196 | |
197 | area = ctx->spu->problem_phys + ps_offs; | |
78bde53e | 198 | vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT); |
6df10a82 MN |
199 | spu_release(ctx); |
200 | ||
78bde53e | 201 | return NOPFN_REFAULT; |
6df10a82 MN |
202 | } |
203 | ||
27d5bf2a | 204 | #if SPUFS_MMAP_4K |
78bde53e BH |
205 | static unsigned long spufs_cntl_mmap_nopfn(struct vm_area_struct *vma, |
206 | unsigned long address) | |
6df10a82 | 207 | { |
78bde53e | 208 | return spufs_ps_nopfn(vma, address, 0x4000, 0x1000); |
6df10a82 MN |
209 | } |
210 | ||
211 | static struct vm_operations_struct spufs_cntl_mmap_vmops = { | |
78bde53e | 212 | .nopfn = spufs_cntl_mmap_nopfn, |
6df10a82 MN |
213 | }; |
214 | ||
215 | /* | |
216 | * mmap support for problem state control area [0x4000 - 0x4fff]. | |
6df10a82 MN |
217 | */ |
218 | static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma) | |
219 | { | |
220 | if (!(vma->vm_flags & VM_SHARED)) | |
221 | return -EINVAL; | |
222 | ||
78bde53e | 223 | vma->vm_flags |= VM_IO | VM_PFNMAP; |
6df10a82 | 224 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) |
23cc7701 | 225 | | _PAGE_NO_CACHE | _PAGE_GUARDED); |
6df10a82 MN |
226 | |
227 | vma->vm_ops = &spufs_cntl_mmap_vmops; | |
228 | return 0; | |
229 | } | |
27d5bf2a BH |
230 | #else /* SPUFS_MMAP_4K */ |
231 | #define spufs_cntl_mmap NULL | |
232 | #endif /* !SPUFS_MMAP_4K */ | |
6df10a82 | 233 | |
e1dbff2b | 234 | static u64 spufs_cntl_get(void *data) |
6df10a82 | 235 | { |
e1dbff2b AB |
236 | struct spu_context *ctx = data; |
237 | u64 val; | |
6df10a82 | 238 | |
e1dbff2b AB |
239 | spu_acquire(ctx); |
240 | val = ctx->ops->status_read(ctx); | |
241 | spu_release(ctx); | |
242 | ||
243 | return val; | |
6df10a82 MN |
244 | } |
245 | ||
e1dbff2b | 246 | static void spufs_cntl_set(void *data, u64 val) |
6df10a82 | 247 | { |
e1dbff2b AB |
248 | struct spu_context *ctx = data; |
249 | ||
250 | spu_acquire(ctx); | |
251 | ctx->ops->runcntl_write(ctx, val); | |
252 | spu_release(ctx); | |
6df10a82 MN |
253 | } |
254 | ||
e1dbff2b | 255 | static int spufs_cntl_open(struct inode *inode, struct file *file) |
6df10a82 | 256 | { |
e1dbff2b AB |
257 | struct spufs_inode_info *i = SPUFS_I(inode); |
258 | struct spu_context *ctx = i->i_ctx; | |
259 | ||
43c2bbd9 | 260 | spin_lock(&ctx->mapping_lock); |
e1dbff2b | 261 | file->private_data = ctx; |
43c2bbd9 CH |
262 | if (!i->i_openers++) |
263 | ctx->cntl = inode->i_mapping; | |
264 | spin_unlock(&ctx->mapping_lock); | |
17e0e270 | 265 | smp_wmb(); |
e1dbff2b AB |
266 | return simple_attr_open(inode, file, spufs_cntl_get, |
267 | spufs_cntl_set, "0x%08lx"); | |
6df10a82 MN |
268 | } |
269 | ||
43c2bbd9 CH |
270 | static int |
271 | spufs_cntl_release(struct inode *inode, struct file *file) | |
272 | { | |
273 | struct spufs_inode_info *i = SPUFS_I(inode); | |
274 | struct spu_context *ctx = i->i_ctx; | |
275 | ||
276 | simple_attr_close(inode, file); | |
277 | ||
278 | spin_lock(&ctx->mapping_lock); | |
279 | if (!--i->i_openers) | |
280 | ctx->cntl = NULL; | |
281 | spin_unlock(&ctx->mapping_lock); | |
282 | smp_wmb(); | |
283 | return 0; | |
284 | } | |
285 | ||
5dfe4c96 | 286 | static const struct file_operations spufs_cntl_fops = { |
6df10a82 | 287 | .open = spufs_cntl_open, |
43c2bbd9 | 288 | .release = spufs_cntl_release, |
e1dbff2b AB |
289 | .read = simple_attr_read, |
290 | .write = simple_attr_write, | |
6df10a82 | 291 | .mmap = spufs_cntl_mmap, |
6df10a82 MN |
292 | }; |
293 | ||
8b3d6663 AB |
294 | static int |
295 | spufs_regs_open(struct inode *inode, struct file *file) | |
296 | { | |
297 | struct spufs_inode_info *i = SPUFS_I(inode); | |
298 | file->private_data = i->i_ctx; | |
299 | return 0; | |
300 | } | |
301 | ||
bf1ab978 DGM |
302 | static ssize_t |
303 | __spufs_regs_read(struct spu_context *ctx, char __user *buffer, | |
304 | size_t size, loff_t *pos) | |
305 | { | |
306 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
307 | return simple_read_from_buffer(buffer, size, pos, | |
308 | lscsa->gprs, sizeof lscsa->gprs); | |
309 | } | |
310 | ||
8b3d6663 AB |
311 | static ssize_t |
312 | spufs_regs_read(struct file *file, char __user *buffer, | |
313 | size_t size, loff_t *pos) | |
314 | { | |
8b3d6663 | 315 | int ret; |
bf1ab978 | 316 | struct spu_context *ctx = file->private_data; |
8b3d6663 AB |
317 | |
318 | spu_acquire_saved(ctx); | |
bf1ab978 | 319 | ret = __spufs_regs_read(ctx, buffer, size, pos); |
8b3d6663 AB |
320 | spu_release(ctx); |
321 | return ret; | |
322 | } | |
323 | ||
324 | static ssize_t | |
325 | spufs_regs_write(struct file *file, const char __user *buffer, | |
326 | size_t size, loff_t *pos) | |
327 | { | |
328 | struct spu_context *ctx = file->private_data; | |
329 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
330 | int ret; | |
331 | ||
332 | size = min_t(ssize_t, sizeof lscsa->gprs - *pos, size); | |
333 | if (size <= 0) | |
334 | return -EFBIG; | |
335 | *pos += size; | |
336 | ||
337 | spu_acquire_saved(ctx); | |
338 | ||
339 | ret = copy_from_user(lscsa->gprs + *pos - size, | |
340 | buffer, size) ? -EFAULT : size; | |
341 | ||
342 | spu_release(ctx); | |
343 | return ret; | |
344 | } | |
345 | ||
5dfe4c96 | 346 | static const struct file_operations spufs_regs_fops = { |
8b3d6663 AB |
347 | .open = spufs_regs_open, |
348 | .read = spufs_regs_read, | |
349 | .write = spufs_regs_write, | |
67207b96 AB |
350 | .llseek = generic_file_llseek, |
351 | }; | |
352 | ||
bf1ab978 DGM |
353 | static ssize_t |
354 | __spufs_fpcr_read(struct spu_context *ctx, char __user * buffer, | |
355 | size_t size, loff_t * pos) | |
356 | { | |
357 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
358 | return simple_read_from_buffer(buffer, size, pos, | |
359 | &lscsa->fpcr, sizeof(lscsa->fpcr)); | |
360 | } | |
361 | ||
8b3d6663 AB |
362 | static ssize_t |
363 | spufs_fpcr_read(struct file *file, char __user * buffer, | |
364 | size_t size, loff_t * pos) | |
365 | { | |
8b3d6663 | 366 | int ret; |
bf1ab978 | 367 | struct spu_context *ctx = file->private_data; |
8b3d6663 AB |
368 | |
369 | spu_acquire_saved(ctx); | |
bf1ab978 | 370 | ret = __spufs_fpcr_read(ctx, buffer, size, pos); |
8b3d6663 AB |
371 | spu_release(ctx); |
372 | return ret; | |
373 | } | |
374 | ||
375 | static ssize_t | |
376 | spufs_fpcr_write(struct file *file, const char __user * buffer, | |
377 | size_t size, loff_t * pos) | |
378 | { | |
379 | struct spu_context *ctx = file->private_data; | |
380 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
381 | int ret; | |
382 | ||
383 | size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size); | |
384 | if (size <= 0) | |
385 | return -EFBIG; | |
386 | *pos += size; | |
387 | ||
388 | spu_acquire_saved(ctx); | |
389 | ||
390 | ret = copy_from_user((char *)&lscsa->fpcr + *pos - size, | |
391 | buffer, size) ? -EFAULT : size; | |
392 | ||
393 | spu_release(ctx); | |
394 | return ret; | |
395 | } | |
396 | ||
5dfe4c96 | 397 | static const struct file_operations spufs_fpcr_fops = { |
8b3d6663 AB |
398 | .open = spufs_regs_open, |
399 | .read = spufs_fpcr_read, | |
400 | .write = spufs_fpcr_write, | |
401 | .llseek = generic_file_llseek, | |
402 | }; | |
403 | ||
67207b96 AB |
404 | /* generic open function for all pipe-like files */ |
405 | static int spufs_pipe_open(struct inode *inode, struct file *file) | |
406 | { | |
407 | struct spufs_inode_info *i = SPUFS_I(inode); | |
408 | file->private_data = i->i_ctx; | |
409 | ||
410 | return nonseekable_open(inode, file); | |
411 | } | |
412 | ||
cdcc89bb AB |
413 | /* |
414 | * Read as many bytes from the mailbox as possible, until | |
415 | * one of the conditions becomes true: | |
416 | * | |
417 | * - no more data available in the mailbox | |
418 | * - end of the user provided buffer | |
419 | * - end of the mapped area | |
420 | */ | |
67207b96 AB |
421 | static ssize_t spufs_mbox_read(struct file *file, char __user *buf, |
422 | size_t len, loff_t *pos) | |
423 | { | |
8b3d6663 | 424 | struct spu_context *ctx = file->private_data; |
cdcc89bb AB |
425 | u32 mbox_data, __user *udata; |
426 | ssize_t count; | |
67207b96 AB |
427 | |
428 | if (len < 4) | |
429 | return -EINVAL; | |
430 | ||
cdcc89bb AB |
431 | if (!access_ok(VERIFY_WRITE, buf, len)) |
432 | return -EFAULT; | |
433 | ||
434 | udata = (void __user *)buf; | |
435 | ||
8b3d6663 | 436 | spu_acquire(ctx); |
274cef5e | 437 | for (count = 0; (count + 4) <= len; count += 4, udata++) { |
cdcc89bb AB |
438 | int ret; |
439 | ret = ctx->ops->mbox_read(ctx, &mbox_data); | |
440 | if (ret == 0) | |
441 | break; | |
442 | ||
443 | /* | |
444 | * at the end of the mapped area, we can fault | |
445 | * but still need to return the data we have | |
446 | * read successfully so far. | |
447 | */ | |
448 | ret = __put_user(mbox_data, udata); | |
449 | if (ret) { | |
450 | if (!count) | |
451 | count = -EFAULT; | |
452 | break; | |
453 | } | |
454 | } | |
8b3d6663 | 455 | spu_release(ctx); |
67207b96 | 456 | |
cdcc89bb AB |
457 | if (!count) |
458 | count = -EAGAIN; | |
67207b96 | 459 | |
cdcc89bb | 460 | return count; |
67207b96 AB |
461 | } |
462 | ||
5dfe4c96 | 463 | static const struct file_operations spufs_mbox_fops = { |
67207b96 AB |
464 | .open = spufs_pipe_open, |
465 | .read = spufs_mbox_read, | |
466 | }; | |
467 | ||
468 | static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf, | |
469 | size_t len, loff_t *pos) | |
470 | { | |
8b3d6663 | 471 | struct spu_context *ctx = file->private_data; |
67207b96 AB |
472 | u32 mbox_stat; |
473 | ||
474 | if (len < 4) | |
475 | return -EINVAL; | |
476 | ||
8b3d6663 AB |
477 | spu_acquire(ctx); |
478 | ||
479 | mbox_stat = ctx->ops->mbox_stat_read(ctx) & 0xff; | |
480 | ||
481 | spu_release(ctx); | |
67207b96 AB |
482 | |
483 | if (copy_to_user(buf, &mbox_stat, sizeof mbox_stat)) | |
484 | return -EFAULT; | |
485 | ||
486 | return 4; | |
487 | } | |
488 | ||
5dfe4c96 | 489 | static const struct file_operations spufs_mbox_stat_fops = { |
67207b96 AB |
490 | .open = spufs_pipe_open, |
491 | .read = spufs_mbox_stat_read, | |
492 | }; | |
493 | ||
494 | /* low-level ibox access function */ | |
8b3d6663 | 495 | size_t spu_ibox_read(struct spu_context *ctx, u32 *data) |
67207b96 | 496 | { |
8b3d6663 AB |
497 | return ctx->ops->ibox_read(ctx, data); |
498 | } | |
67207b96 | 499 | |
8b3d6663 AB |
500 | static int spufs_ibox_fasync(int fd, struct file *file, int on) |
501 | { | |
502 | struct spu_context *ctx = file->private_data; | |
67207b96 | 503 | |
8b3d6663 | 504 | return fasync_helper(fd, file, on, &ctx->ibox_fasync); |
67207b96 | 505 | } |
67207b96 | 506 | |
8b3d6663 AB |
507 | /* interrupt-level ibox callback function. */ |
508 | void spufs_ibox_callback(struct spu *spu) | |
67207b96 | 509 | { |
8b3d6663 AB |
510 | struct spu_context *ctx = spu->ctx; |
511 | ||
512 | wake_up_all(&ctx->ibox_wq); | |
513 | kill_fasync(&ctx->ibox_fasync, SIGIO, POLLIN); | |
67207b96 AB |
514 | } |
515 | ||
cdcc89bb AB |
516 | /* |
517 | * Read as many bytes from the interrupt mailbox as possible, until | |
518 | * one of the conditions becomes true: | |
519 | * | |
520 | * - no more data available in the mailbox | |
521 | * - end of the user provided buffer | |
522 | * - end of the mapped area | |
523 | * | |
524 | * If the file is opened without O_NONBLOCK, we wait here until | |
525 | * any data is available, but return when we have been able to | |
526 | * read something. | |
527 | */ | |
67207b96 AB |
528 | static ssize_t spufs_ibox_read(struct file *file, char __user *buf, |
529 | size_t len, loff_t *pos) | |
530 | { | |
8b3d6663 | 531 | struct spu_context *ctx = file->private_data; |
cdcc89bb AB |
532 | u32 ibox_data, __user *udata; |
533 | ssize_t count; | |
67207b96 AB |
534 | |
535 | if (len < 4) | |
536 | return -EINVAL; | |
537 | ||
cdcc89bb AB |
538 | if (!access_ok(VERIFY_WRITE, buf, len)) |
539 | return -EFAULT; | |
540 | ||
541 | udata = (void __user *)buf; | |
542 | ||
8b3d6663 | 543 | spu_acquire(ctx); |
67207b96 | 544 | |
cdcc89bb AB |
545 | /* wait only for the first element */ |
546 | count = 0; | |
67207b96 | 547 | if (file->f_flags & O_NONBLOCK) { |
8b3d6663 | 548 | if (!spu_ibox_read(ctx, &ibox_data)) |
cdcc89bb | 549 | count = -EAGAIN; |
67207b96 | 550 | } else { |
cdcc89bb | 551 | count = spufs_wait(ctx->ibox_wq, spu_ibox_read(ctx, &ibox_data)); |
67207b96 | 552 | } |
cdcc89bb AB |
553 | if (count) |
554 | goto out; | |
67207b96 | 555 | |
cdcc89bb AB |
556 | /* if we can't write at all, return -EFAULT */ |
557 | count = __put_user(ibox_data, udata); | |
558 | if (count) | |
559 | goto out; | |
8b3d6663 | 560 | |
cdcc89bb AB |
561 | for (count = 4, udata++; (count + 4) <= len; count += 4, udata++) { |
562 | int ret; | |
563 | ret = ctx->ops->ibox_read(ctx, &ibox_data); | |
564 | if (ret == 0) | |
565 | break; | |
566 | /* | |
567 | * at the end of the mapped area, we can fault | |
568 | * but still need to return the data we have | |
569 | * read successfully so far. | |
570 | */ | |
571 | ret = __put_user(ibox_data, udata); | |
572 | if (ret) | |
573 | break; | |
574 | } | |
67207b96 | 575 | |
cdcc89bb AB |
576 | out: |
577 | spu_release(ctx); | |
67207b96 | 578 | |
cdcc89bb | 579 | return count; |
67207b96 AB |
580 | } |
581 | ||
582 | static unsigned int spufs_ibox_poll(struct file *file, poll_table *wait) | |
583 | { | |
8b3d6663 | 584 | struct spu_context *ctx = file->private_data; |
67207b96 AB |
585 | unsigned int mask; |
586 | ||
8b3d6663 | 587 | poll_wait(file, &ctx->ibox_wq, wait); |
67207b96 | 588 | |
3a843d7c AB |
589 | spu_acquire(ctx); |
590 | mask = ctx->ops->mbox_stat_poll(ctx, POLLIN | POLLRDNORM); | |
591 | spu_release(ctx); | |
67207b96 AB |
592 | |
593 | return mask; | |
594 | } | |
595 | ||
5dfe4c96 | 596 | static const struct file_operations spufs_ibox_fops = { |
67207b96 AB |
597 | .open = spufs_pipe_open, |
598 | .read = spufs_ibox_read, | |
599 | .poll = spufs_ibox_poll, | |
600 | .fasync = spufs_ibox_fasync, | |
601 | }; | |
602 | ||
603 | static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf, | |
604 | size_t len, loff_t *pos) | |
605 | { | |
8b3d6663 | 606 | struct spu_context *ctx = file->private_data; |
67207b96 AB |
607 | u32 ibox_stat; |
608 | ||
609 | if (len < 4) | |
610 | return -EINVAL; | |
611 | ||
8b3d6663 AB |
612 | spu_acquire(ctx); |
613 | ibox_stat = (ctx->ops->mbox_stat_read(ctx) >> 16) & 0xff; | |
614 | spu_release(ctx); | |
67207b96 AB |
615 | |
616 | if (copy_to_user(buf, &ibox_stat, sizeof ibox_stat)) | |
617 | return -EFAULT; | |
618 | ||
619 | return 4; | |
620 | } | |
621 | ||
5dfe4c96 | 622 | static const struct file_operations spufs_ibox_stat_fops = { |
67207b96 AB |
623 | .open = spufs_pipe_open, |
624 | .read = spufs_ibox_stat_read, | |
625 | }; | |
626 | ||
627 | /* low-level mailbox write */ | |
8b3d6663 | 628 | size_t spu_wbox_write(struct spu_context *ctx, u32 data) |
67207b96 | 629 | { |
8b3d6663 AB |
630 | return ctx->ops->wbox_write(ctx, data); |
631 | } | |
67207b96 | 632 | |
8b3d6663 AB |
633 | static int spufs_wbox_fasync(int fd, struct file *file, int on) |
634 | { | |
635 | struct spu_context *ctx = file->private_data; | |
636 | int ret; | |
67207b96 | 637 | |
8b3d6663 | 638 | ret = fasync_helper(fd, file, on, &ctx->wbox_fasync); |
67207b96 | 639 | |
67207b96 AB |
640 | return ret; |
641 | } | |
67207b96 | 642 | |
8b3d6663 AB |
643 | /* interrupt-level wbox callback function. */ |
644 | void spufs_wbox_callback(struct spu *spu) | |
67207b96 | 645 | { |
8b3d6663 AB |
646 | struct spu_context *ctx = spu->ctx; |
647 | ||
648 | wake_up_all(&ctx->wbox_wq); | |
649 | kill_fasync(&ctx->wbox_fasync, SIGIO, POLLOUT); | |
67207b96 AB |
650 | } |
651 | ||
cdcc89bb AB |
652 | /* |
653 | * Write as many bytes to the interrupt mailbox as possible, until | |
654 | * one of the conditions becomes true: | |
655 | * | |
656 | * - the mailbox is full | |
657 | * - end of the user provided buffer | |
658 | * - end of the mapped area | |
659 | * | |
660 | * If the file is opened without O_NONBLOCK, we wait here until | |
661 | * space is availabyl, but return when we have been able to | |
662 | * write something. | |
663 | */ | |
67207b96 AB |
664 | static ssize_t spufs_wbox_write(struct file *file, const char __user *buf, |
665 | size_t len, loff_t *pos) | |
666 | { | |
8b3d6663 | 667 | struct spu_context *ctx = file->private_data; |
cdcc89bb AB |
668 | u32 wbox_data, __user *udata; |
669 | ssize_t count; | |
67207b96 AB |
670 | |
671 | if (len < 4) | |
672 | return -EINVAL; | |
673 | ||
cdcc89bb AB |
674 | udata = (void __user *)buf; |
675 | if (!access_ok(VERIFY_READ, buf, len)) | |
676 | return -EFAULT; | |
677 | ||
678 | if (__get_user(wbox_data, udata)) | |
67207b96 AB |
679 | return -EFAULT; |
680 | ||
8b3d6663 AB |
681 | spu_acquire(ctx); |
682 | ||
cdcc89bb AB |
683 | /* |
684 | * make sure we can at least write one element, by waiting | |
685 | * in case of !O_NONBLOCK | |
686 | */ | |
687 | count = 0; | |
67207b96 | 688 | if (file->f_flags & O_NONBLOCK) { |
8b3d6663 | 689 | if (!spu_wbox_write(ctx, wbox_data)) |
cdcc89bb | 690 | count = -EAGAIN; |
67207b96 | 691 | } else { |
cdcc89bb | 692 | count = spufs_wait(ctx->wbox_wq, spu_wbox_write(ctx, wbox_data)); |
67207b96 AB |
693 | } |
694 | ||
cdcc89bb AB |
695 | if (count) |
696 | goto out; | |
8b3d6663 | 697 | |
cdcc89bb AB |
698 | /* write aѕ much as possible */ |
699 | for (count = 4, udata++; (count + 4) <= len; count += 4, udata++) { | |
700 | int ret; | |
701 | ret = __get_user(wbox_data, udata); | |
702 | if (ret) | |
703 | break; | |
704 | ||
705 | ret = spu_wbox_write(ctx, wbox_data); | |
706 | if (ret == 0) | |
707 | break; | |
708 | } | |
709 | ||
710 | out: | |
711 | spu_release(ctx); | |
712 | return count; | |
67207b96 AB |
713 | } |
714 | ||
715 | static unsigned int spufs_wbox_poll(struct file *file, poll_table *wait) | |
716 | { | |
8b3d6663 | 717 | struct spu_context *ctx = file->private_data; |
67207b96 AB |
718 | unsigned int mask; |
719 | ||
8b3d6663 | 720 | poll_wait(file, &ctx->wbox_wq, wait); |
67207b96 | 721 | |
3a843d7c AB |
722 | spu_acquire(ctx); |
723 | mask = ctx->ops->mbox_stat_poll(ctx, POLLOUT | POLLWRNORM); | |
724 | spu_release(ctx); | |
67207b96 AB |
725 | |
726 | return mask; | |
727 | } | |
728 | ||
5dfe4c96 | 729 | static const struct file_operations spufs_wbox_fops = { |
67207b96 AB |
730 | .open = spufs_pipe_open, |
731 | .write = spufs_wbox_write, | |
732 | .poll = spufs_wbox_poll, | |
733 | .fasync = spufs_wbox_fasync, | |
734 | }; | |
735 | ||
736 | static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf, | |
737 | size_t len, loff_t *pos) | |
738 | { | |
8b3d6663 | 739 | struct spu_context *ctx = file->private_data; |
67207b96 AB |
740 | u32 wbox_stat; |
741 | ||
742 | if (len < 4) | |
743 | return -EINVAL; | |
744 | ||
8b3d6663 AB |
745 | spu_acquire(ctx); |
746 | wbox_stat = (ctx->ops->mbox_stat_read(ctx) >> 8) & 0xff; | |
747 | spu_release(ctx); | |
67207b96 AB |
748 | |
749 | if (copy_to_user(buf, &wbox_stat, sizeof wbox_stat)) | |
750 | return -EFAULT; | |
751 | ||
752 | return 4; | |
753 | } | |
754 | ||
5dfe4c96 | 755 | static const struct file_operations spufs_wbox_stat_fops = { |
67207b96 AB |
756 | .open = spufs_pipe_open, |
757 | .read = spufs_wbox_stat_read, | |
758 | }; | |
759 | ||
6df10a82 MN |
760 | static int spufs_signal1_open(struct inode *inode, struct file *file) |
761 | { | |
762 | struct spufs_inode_info *i = SPUFS_I(inode); | |
763 | struct spu_context *ctx = i->i_ctx; | |
43c2bbd9 CH |
764 | |
765 | spin_lock(&ctx->mapping_lock); | |
6df10a82 | 766 | file->private_data = ctx; |
43c2bbd9 CH |
767 | if (!i->i_openers++) |
768 | ctx->signal1 = inode->i_mapping; | |
769 | spin_unlock(&ctx->mapping_lock); | |
17e0e270 | 770 | smp_wmb(); |
6df10a82 MN |
771 | return nonseekable_open(inode, file); |
772 | } | |
773 | ||
43c2bbd9 CH |
774 | static int |
775 | spufs_signal1_release(struct inode *inode, struct file *file) | |
776 | { | |
777 | struct spufs_inode_info *i = SPUFS_I(inode); | |
778 | struct spu_context *ctx = i->i_ctx; | |
779 | ||
780 | spin_lock(&ctx->mapping_lock); | |
781 | if (!--i->i_openers) | |
782 | ctx->signal1 = NULL; | |
783 | spin_unlock(&ctx->mapping_lock); | |
784 | smp_wmb(); | |
785 | return 0; | |
786 | } | |
787 | ||
bf1ab978 | 788 | static ssize_t __spufs_signal1_read(struct spu_context *ctx, char __user *buf, |
67207b96 AB |
789 | size_t len, loff_t *pos) |
790 | { | |
17f88ceb | 791 | int ret = 0; |
67207b96 AB |
792 | u32 data; |
793 | ||
67207b96 AB |
794 | if (len < 4) |
795 | return -EINVAL; | |
796 | ||
17f88ceb DGM |
797 | if (ctx->csa.spu_chnlcnt_RW[3]) { |
798 | data = ctx->csa.spu_chnldata_RW[3]; | |
799 | ret = 4; | |
800 | } | |
8b3d6663 | 801 | |
17f88ceb DGM |
802 | if (!ret) |
803 | goto out; | |
804 | ||
67207b96 AB |
805 | if (copy_to_user(buf, &data, 4)) |
806 | return -EFAULT; | |
807 | ||
17f88ceb DGM |
808 | out: |
809 | return ret; | |
67207b96 AB |
810 | } |
811 | ||
bf1ab978 DGM |
812 | static ssize_t spufs_signal1_read(struct file *file, char __user *buf, |
813 | size_t len, loff_t *pos) | |
814 | { | |
815 | int ret; | |
816 | struct spu_context *ctx = file->private_data; | |
817 | ||
818 | spu_acquire_saved(ctx); | |
819 | ret = __spufs_signal1_read(ctx, buf, len, pos); | |
820 | spu_release(ctx); | |
821 | ||
822 | return ret; | |
823 | } | |
824 | ||
67207b96 AB |
825 | static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, |
826 | size_t len, loff_t *pos) | |
827 | { | |
828 | struct spu_context *ctx; | |
67207b96 AB |
829 | u32 data; |
830 | ||
831 | ctx = file->private_data; | |
67207b96 AB |
832 | |
833 | if (len < 4) | |
834 | return -EINVAL; | |
835 | ||
836 | if (copy_from_user(&data, buf, 4)) | |
837 | return -EFAULT; | |
838 | ||
8b3d6663 AB |
839 | spu_acquire(ctx); |
840 | ctx->ops->signal1_write(ctx, data); | |
841 | spu_release(ctx); | |
67207b96 AB |
842 | |
843 | return 4; | |
844 | } | |
845 | ||
78bde53e BH |
846 | static unsigned long spufs_signal1_mmap_nopfn(struct vm_area_struct *vma, |
847 | unsigned long address) | |
6df10a82 | 848 | { |
27d5bf2a | 849 | #if PAGE_SIZE == 0x1000 |
78bde53e | 850 | return spufs_ps_nopfn(vma, address, 0x14000, 0x1000); |
27d5bf2a BH |
851 | #elif PAGE_SIZE == 0x10000 |
852 | /* For 64k pages, both signal1 and signal2 can be used to mmap the whole | |
853 | * signal 1 and 2 area | |
854 | */ | |
78bde53e | 855 | return spufs_ps_nopfn(vma, address, 0x10000, 0x10000); |
27d5bf2a BH |
856 | #else |
857 | #error unsupported page size | |
858 | #endif | |
6df10a82 MN |
859 | } |
860 | ||
861 | static struct vm_operations_struct spufs_signal1_mmap_vmops = { | |
78bde53e | 862 | .nopfn = spufs_signal1_mmap_nopfn, |
6df10a82 MN |
863 | }; |
864 | ||
865 | static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma) | |
866 | { | |
867 | if (!(vma->vm_flags & VM_SHARED)) | |
868 | return -EINVAL; | |
869 | ||
78bde53e | 870 | vma->vm_flags |= VM_IO | VM_PFNMAP; |
6df10a82 | 871 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) |
23cc7701 | 872 | | _PAGE_NO_CACHE | _PAGE_GUARDED); |
6df10a82 MN |
873 | |
874 | vma->vm_ops = &spufs_signal1_mmap_vmops; | |
875 | return 0; | |
876 | } | |
6df10a82 | 877 | |
5dfe4c96 | 878 | static const struct file_operations spufs_signal1_fops = { |
6df10a82 | 879 | .open = spufs_signal1_open, |
43c2bbd9 | 880 | .release = spufs_signal1_release, |
67207b96 AB |
881 | .read = spufs_signal1_read, |
882 | .write = spufs_signal1_write, | |
6df10a82 | 883 | .mmap = spufs_signal1_mmap, |
67207b96 AB |
884 | }; |
885 | ||
6df10a82 MN |
886 | static int spufs_signal2_open(struct inode *inode, struct file *file) |
887 | { | |
888 | struct spufs_inode_info *i = SPUFS_I(inode); | |
889 | struct spu_context *ctx = i->i_ctx; | |
43c2bbd9 CH |
890 | |
891 | spin_lock(&ctx->mapping_lock); | |
6df10a82 | 892 | file->private_data = ctx; |
43c2bbd9 CH |
893 | if (!i->i_openers++) |
894 | ctx->signal2 = inode->i_mapping; | |
895 | spin_unlock(&ctx->mapping_lock); | |
17e0e270 | 896 | smp_wmb(); |
6df10a82 MN |
897 | return nonseekable_open(inode, file); |
898 | } | |
899 | ||
43c2bbd9 CH |
900 | static int |
901 | spufs_signal2_release(struct inode *inode, struct file *file) | |
902 | { | |
903 | struct spufs_inode_info *i = SPUFS_I(inode); | |
904 | struct spu_context *ctx = i->i_ctx; | |
905 | ||
906 | spin_lock(&ctx->mapping_lock); | |
907 | if (!--i->i_openers) | |
908 | ctx->signal2 = NULL; | |
909 | spin_unlock(&ctx->mapping_lock); | |
910 | smp_wmb(); | |
911 | return 0; | |
912 | } | |
913 | ||
bf1ab978 | 914 | static ssize_t __spufs_signal2_read(struct spu_context *ctx, char __user *buf, |
67207b96 AB |
915 | size_t len, loff_t *pos) |
916 | { | |
17f88ceb | 917 | int ret = 0; |
67207b96 AB |
918 | u32 data; |
919 | ||
67207b96 AB |
920 | if (len < 4) |
921 | return -EINVAL; | |
922 | ||
17f88ceb DGM |
923 | if (ctx->csa.spu_chnlcnt_RW[4]) { |
924 | data = ctx->csa.spu_chnldata_RW[4]; | |
925 | ret = 4; | |
926 | } | |
8b3d6663 | 927 | |
17f88ceb DGM |
928 | if (!ret) |
929 | goto out; | |
930 | ||
67207b96 AB |
931 | if (copy_to_user(buf, &data, 4)) |
932 | return -EFAULT; | |
933 | ||
17f88ceb | 934 | out: |
bf1ab978 DGM |
935 | return ret; |
936 | } | |
937 | ||
938 | static ssize_t spufs_signal2_read(struct file *file, char __user *buf, | |
939 | size_t len, loff_t *pos) | |
940 | { | |
941 | struct spu_context *ctx = file->private_data; | |
942 | int ret; | |
943 | ||
944 | spu_acquire_saved(ctx); | |
945 | ret = __spufs_signal2_read(ctx, buf, len, pos); | |
946 | spu_release(ctx); | |
947 | ||
948 | return ret; | |
67207b96 AB |
949 | } |
950 | ||
951 | static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, | |
952 | size_t len, loff_t *pos) | |
953 | { | |
954 | struct spu_context *ctx; | |
67207b96 AB |
955 | u32 data; |
956 | ||
957 | ctx = file->private_data; | |
67207b96 AB |
958 | |
959 | if (len < 4) | |
960 | return -EINVAL; | |
961 | ||
962 | if (copy_from_user(&data, buf, 4)) | |
963 | return -EFAULT; | |
964 | ||
8b3d6663 AB |
965 | spu_acquire(ctx); |
966 | ctx->ops->signal2_write(ctx, data); | |
967 | spu_release(ctx); | |
67207b96 AB |
968 | |
969 | return 4; | |
970 | } | |
971 | ||
27d5bf2a | 972 | #if SPUFS_MMAP_4K |
78bde53e BH |
973 | static unsigned long spufs_signal2_mmap_nopfn(struct vm_area_struct *vma, |
974 | unsigned long address) | |
6df10a82 | 975 | { |
27d5bf2a | 976 | #if PAGE_SIZE == 0x1000 |
78bde53e | 977 | return spufs_ps_nopfn(vma, address, 0x1c000, 0x1000); |
27d5bf2a BH |
978 | #elif PAGE_SIZE == 0x10000 |
979 | /* For 64k pages, both signal1 and signal2 can be used to mmap the whole | |
980 | * signal 1 and 2 area | |
981 | */ | |
78bde53e | 982 | return spufs_ps_nopfn(vma, address, 0x10000, 0x10000); |
27d5bf2a BH |
983 | #else |
984 | #error unsupported page size | |
985 | #endif | |
6df10a82 MN |
986 | } |
987 | ||
988 | static struct vm_operations_struct spufs_signal2_mmap_vmops = { | |
78bde53e | 989 | .nopfn = spufs_signal2_mmap_nopfn, |
6df10a82 MN |
990 | }; |
991 | ||
992 | static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma) | |
993 | { | |
994 | if (!(vma->vm_flags & VM_SHARED)) | |
995 | return -EINVAL; | |
996 | ||
78bde53e | 997 | vma->vm_flags |= VM_IO | VM_PFNMAP; |
6df10a82 | 998 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) |
23cc7701 | 999 | | _PAGE_NO_CACHE | _PAGE_GUARDED); |
6df10a82 MN |
1000 | |
1001 | vma->vm_ops = &spufs_signal2_mmap_vmops; | |
1002 | return 0; | |
1003 | } | |
27d5bf2a BH |
1004 | #else /* SPUFS_MMAP_4K */ |
1005 | #define spufs_signal2_mmap NULL | |
1006 | #endif /* !SPUFS_MMAP_4K */ | |
6df10a82 | 1007 | |
5dfe4c96 | 1008 | static const struct file_operations spufs_signal2_fops = { |
6df10a82 | 1009 | .open = spufs_signal2_open, |
43c2bbd9 | 1010 | .release = spufs_signal2_release, |
67207b96 AB |
1011 | .read = spufs_signal2_read, |
1012 | .write = spufs_signal2_write, | |
6df10a82 | 1013 | .mmap = spufs_signal2_mmap, |
67207b96 AB |
1014 | }; |
1015 | ||
1016 | static void spufs_signal1_type_set(void *data, u64 val) | |
1017 | { | |
1018 | struct spu_context *ctx = data; | |
67207b96 | 1019 | |
8b3d6663 AB |
1020 | spu_acquire(ctx); |
1021 | ctx->ops->signal1_type_set(ctx, val); | |
1022 | spu_release(ctx); | |
67207b96 AB |
1023 | } |
1024 | ||
bf1ab978 DGM |
1025 | static u64 __spufs_signal1_type_get(void *data) |
1026 | { | |
1027 | struct spu_context *ctx = data; | |
1028 | return ctx->ops->signal1_type_get(ctx); | |
1029 | } | |
1030 | ||
67207b96 AB |
1031 | static u64 spufs_signal1_type_get(void *data) |
1032 | { | |
1033 | struct spu_context *ctx = data; | |
8b3d6663 AB |
1034 | u64 ret; |
1035 | ||
1036 | spu_acquire(ctx); | |
bf1ab978 | 1037 | ret = __spufs_signal1_type_get(data); |
8b3d6663 AB |
1038 | spu_release(ctx); |
1039 | ||
1040 | return ret; | |
67207b96 AB |
1041 | } |
1042 | DEFINE_SIMPLE_ATTRIBUTE(spufs_signal1_type, spufs_signal1_type_get, | |
1043 | spufs_signal1_type_set, "%llu"); | |
1044 | ||
1045 | static void spufs_signal2_type_set(void *data, u64 val) | |
1046 | { | |
1047 | struct spu_context *ctx = data; | |
67207b96 | 1048 | |
8b3d6663 AB |
1049 | spu_acquire(ctx); |
1050 | ctx->ops->signal2_type_set(ctx, val); | |
1051 | spu_release(ctx); | |
67207b96 AB |
1052 | } |
1053 | ||
bf1ab978 DGM |
1054 | static u64 __spufs_signal2_type_get(void *data) |
1055 | { | |
1056 | struct spu_context *ctx = data; | |
1057 | return ctx->ops->signal2_type_get(ctx); | |
1058 | } | |
1059 | ||
67207b96 AB |
1060 | static u64 spufs_signal2_type_get(void *data) |
1061 | { | |
1062 | struct spu_context *ctx = data; | |
8b3d6663 AB |
1063 | u64 ret; |
1064 | ||
1065 | spu_acquire(ctx); | |
bf1ab978 | 1066 | ret = __spufs_signal2_type_get(data); |
8b3d6663 AB |
1067 | spu_release(ctx); |
1068 | ||
1069 | return ret; | |
67207b96 AB |
1070 | } |
1071 | DEFINE_SIMPLE_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get, | |
1072 | spufs_signal2_type_set, "%llu"); | |
1073 | ||
27d5bf2a | 1074 | #if SPUFS_MMAP_4K |
78bde53e BH |
1075 | static unsigned long spufs_mss_mmap_nopfn(struct vm_area_struct *vma, |
1076 | unsigned long address) | |
d9379c4b | 1077 | { |
78bde53e | 1078 | return spufs_ps_nopfn(vma, address, 0x0000, 0x1000); |
d9379c4b AB |
1079 | } |
1080 | ||
1081 | static struct vm_operations_struct spufs_mss_mmap_vmops = { | |
78bde53e | 1082 | .nopfn = spufs_mss_mmap_nopfn, |
d9379c4b AB |
1083 | }; |
1084 | ||
1085 | /* | |
1086 | * mmap support for problem state MFC DMA area [0x0000 - 0x0fff]. | |
d9379c4b AB |
1087 | */ |
1088 | static int spufs_mss_mmap(struct file *file, struct vm_area_struct *vma) | |
1089 | { | |
1090 | if (!(vma->vm_flags & VM_SHARED)) | |
1091 | return -EINVAL; | |
1092 | ||
78bde53e | 1093 | vma->vm_flags |= VM_IO | VM_PFNMAP; |
d9379c4b | 1094 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) |
23cc7701 | 1095 | | _PAGE_NO_CACHE | _PAGE_GUARDED); |
d9379c4b AB |
1096 | |
1097 | vma->vm_ops = &spufs_mss_mmap_vmops; | |
1098 | return 0; | |
1099 | } | |
27d5bf2a BH |
1100 | #else /* SPUFS_MMAP_4K */ |
1101 | #define spufs_mss_mmap NULL | |
1102 | #endif /* !SPUFS_MMAP_4K */ | |
d9379c4b AB |
1103 | |
1104 | static int spufs_mss_open(struct inode *inode, struct file *file) | |
1105 | { | |
1106 | struct spufs_inode_info *i = SPUFS_I(inode); | |
17e0e270 | 1107 | struct spu_context *ctx = i->i_ctx; |
d9379c4b AB |
1108 | |
1109 | file->private_data = i->i_ctx; | |
43c2bbd9 CH |
1110 | |
1111 | spin_lock(&ctx->mapping_lock); | |
1112 | if (!i->i_openers++) | |
1113 | ctx->mss = inode->i_mapping; | |
1114 | spin_unlock(&ctx->mapping_lock); | |
17e0e270 | 1115 | smp_wmb(); |
d9379c4b AB |
1116 | return nonseekable_open(inode, file); |
1117 | } | |
1118 | ||
43c2bbd9 CH |
1119 | static int |
1120 | spufs_mss_release(struct inode *inode, struct file *file) | |
1121 | { | |
1122 | struct spufs_inode_info *i = SPUFS_I(inode); | |
1123 | struct spu_context *ctx = i->i_ctx; | |
1124 | ||
1125 | spin_lock(&ctx->mapping_lock); | |
1126 | if (!--i->i_openers) | |
1127 | ctx->mss = NULL; | |
1128 | spin_unlock(&ctx->mapping_lock); | |
1129 | smp_wmb(); | |
1130 | return 0; | |
1131 | } | |
1132 | ||
5dfe4c96 | 1133 | static const struct file_operations spufs_mss_fops = { |
d9379c4b | 1134 | .open = spufs_mss_open, |
43c2bbd9 | 1135 | .release = spufs_mss_release, |
d9379c4b | 1136 | .mmap = spufs_mss_mmap, |
27d5bf2a BH |
1137 | }; |
1138 | ||
78bde53e BH |
1139 | static unsigned long spufs_psmap_mmap_nopfn(struct vm_area_struct *vma, |
1140 | unsigned long address) | |
27d5bf2a | 1141 | { |
78bde53e | 1142 | return spufs_ps_nopfn(vma, address, 0x0000, 0x20000); |
27d5bf2a BH |
1143 | } |
1144 | ||
1145 | static struct vm_operations_struct spufs_psmap_mmap_vmops = { | |
78bde53e | 1146 | .nopfn = spufs_psmap_mmap_nopfn, |
27d5bf2a BH |
1147 | }; |
1148 | ||
1149 | /* | |
1150 | * mmap support for full problem state area [0x00000 - 0x1ffff]. | |
1151 | */ | |
1152 | static int spufs_psmap_mmap(struct file *file, struct vm_area_struct *vma) | |
1153 | { | |
1154 | if (!(vma->vm_flags & VM_SHARED)) | |
1155 | return -EINVAL; | |
1156 | ||
78bde53e | 1157 | vma->vm_flags |= VM_IO | VM_PFNMAP; |
27d5bf2a BH |
1158 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) |
1159 | | _PAGE_NO_CACHE | _PAGE_GUARDED); | |
1160 | ||
1161 | vma->vm_ops = &spufs_psmap_mmap_vmops; | |
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | static int spufs_psmap_open(struct inode *inode, struct file *file) | |
1166 | { | |
1167 | struct spufs_inode_info *i = SPUFS_I(inode); | |
17e0e270 | 1168 | struct spu_context *ctx = i->i_ctx; |
27d5bf2a | 1169 | |
43c2bbd9 | 1170 | spin_lock(&ctx->mapping_lock); |
27d5bf2a | 1171 | file->private_data = i->i_ctx; |
43c2bbd9 CH |
1172 | if (!i->i_openers++) |
1173 | ctx->psmap = inode->i_mapping; | |
1174 | spin_unlock(&ctx->mapping_lock); | |
17e0e270 | 1175 | smp_wmb(); |
27d5bf2a BH |
1176 | return nonseekable_open(inode, file); |
1177 | } | |
1178 | ||
43c2bbd9 CH |
1179 | static int |
1180 | spufs_psmap_release(struct inode *inode, struct file *file) | |
1181 | { | |
1182 | struct spufs_inode_info *i = SPUFS_I(inode); | |
1183 | struct spu_context *ctx = i->i_ctx; | |
1184 | ||
1185 | spin_lock(&ctx->mapping_lock); | |
1186 | if (!--i->i_openers) | |
1187 | ctx->psmap = NULL; | |
1188 | spin_unlock(&ctx->mapping_lock); | |
1189 | smp_wmb(); | |
1190 | return 0; | |
1191 | } | |
1192 | ||
5dfe4c96 | 1193 | static const struct file_operations spufs_psmap_fops = { |
27d5bf2a | 1194 | .open = spufs_psmap_open, |
43c2bbd9 | 1195 | .release = spufs_psmap_release, |
27d5bf2a | 1196 | .mmap = spufs_psmap_mmap, |
d9379c4b AB |
1197 | }; |
1198 | ||
1199 | ||
27d5bf2a | 1200 | #if SPUFS_MMAP_4K |
78bde53e BH |
1201 | static unsigned long spufs_mfc_mmap_nopfn(struct vm_area_struct *vma, |
1202 | unsigned long address) | |
6df10a82 | 1203 | { |
78bde53e | 1204 | return spufs_ps_nopfn(vma, address, 0x3000, 0x1000); |
6df10a82 MN |
1205 | } |
1206 | ||
1207 | static struct vm_operations_struct spufs_mfc_mmap_vmops = { | |
78bde53e | 1208 | .nopfn = spufs_mfc_mmap_nopfn, |
6df10a82 MN |
1209 | }; |
1210 | ||
1211 | /* | |
1212 | * mmap support for problem state MFC DMA area [0x0000 - 0x0fff]. | |
6df10a82 MN |
1213 | */ |
1214 | static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma) | |
1215 | { | |
1216 | if (!(vma->vm_flags & VM_SHARED)) | |
1217 | return -EINVAL; | |
1218 | ||
78bde53e | 1219 | vma->vm_flags |= VM_IO | VM_PFNMAP; |
6df10a82 | 1220 | vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) |
23cc7701 | 1221 | | _PAGE_NO_CACHE | _PAGE_GUARDED); |
6df10a82 MN |
1222 | |
1223 | vma->vm_ops = &spufs_mfc_mmap_vmops; | |
1224 | return 0; | |
1225 | } | |
27d5bf2a BH |
1226 | #else /* SPUFS_MMAP_4K */ |
1227 | #define spufs_mfc_mmap NULL | |
1228 | #endif /* !SPUFS_MMAP_4K */ | |
a33a7d73 AB |
1229 | |
1230 | static int spufs_mfc_open(struct inode *inode, struct file *file) | |
1231 | { | |
1232 | struct spufs_inode_info *i = SPUFS_I(inode); | |
1233 | struct spu_context *ctx = i->i_ctx; | |
1234 | ||
1235 | /* we don't want to deal with DMA into other processes */ | |
1236 | if (ctx->owner != current->mm) | |
1237 | return -EINVAL; | |
1238 | ||
1239 | if (atomic_read(&inode->i_count) != 1) | |
1240 | return -EBUSY; | |
1241 | ||
43c2bbd9 | 1242 | spin_lock(&ctx->mapping_lock); |
a33a7d73 | 1243 | file->private_data = ctx; |
43c2bbd9 CH |
1244 | if (!i->i_openers++) |
1245 | ctx->mfc = inode->i_mapping; | |
1246 | spin_unlock(&ctx->mapping_lock); | |
17e0e270 | 1247 | smp_wmb(); |
a33a7d73 AB |
1248 | return nonseekable_open(inode, file); |
1249 | } | |
1250 | ||
43c2bbd9 CH |
1251 | static int |
1252 | spufs_mfc_release(struct inode *inode, struct file *file) | |
1253 | { | |
1254 | struct spufs_inode_info *i = SPUFS_I(inode); | |
1255 | struct spu_context *ctx = i->i_ctx; | |
1256 | ||
1257 | spin_lock(&ctx->mapping_lock); | |
1258 | if (!--i->i_openers) | |
1259 | ctx->mfc = NULL; | |
1260 | spin_unlock(&ctx->mapping_lock); | |
1261 | smp_wmb(); | |
1262 | return 0; | |
1263 | } | |
1264 | ||
a33a7d73 AB |
1265 | /* interrupt-level mfc callback function. */ |
1266 | void spufs_mfc_callback(struct spu *spu) | |
1267 | { | |
1268 | struct spu_context *ctx = spu->ctx; | |
1269 | ||
1270 | wake_up_all(&ctx->mfc_wq); | |
1271 | ||
1272 | pr_debug("%s %s\n", __FUNCTION__, spu->name); | |
1273 | if (ctx->mfc_fasync) { | |
1274 | u32 free_elements, tagstatus; | |
1275 | unsigned int mask; | |
1276 | ||
1277 | /* no need for spu_acquire in interrupt context */ | |
1278 | free_elements = ctx->ops->get_mfc_free_elements(ctx); | |
1279 | tagstatus = ctx->ops->read_mfc_tagstatus(ctx); | |
1280 | ||
1281 | mask = 0; | |
1282 | if (free_elements & 0xffff) | |
1283 | mask |= POLLOUT; | |
1284 | if (tagstatus & ctx->tagwait) | |
1285 | mask |= POLLIN; | |
1286 | ||
1287 | kill_fasync(&ctx->mfc_fasync, SIGIO, mask); | |
1288 | } | |
1289 | } | |
1290 | ||
1291 | static int spufs_read_mfc_tagstatus(struct spu_context *ctx, u32 *status) | |
1292 | { | |
1293 | /* See if there is one tag group is complete */ | |
1294 | /* FIXME we need locking around tagwait */ | |
1295 | *status = ctx->ops->read_mfc_tagstatus(ctx) & ctx->tagwait; | |
1296 | ctx->tagwait &= ~*status; | |
1297 | if (*status) | |
1298 | return 1; | |
1299 | ||
1300 | /* enable interrupt waiting for any tag group, | |
1301 | may silently fail if interrupts are already enabled */ | |
1302 | ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1); | |
1303 | return 0; | |
1304 | } | |
1305 | ||
1306 | static ssize_t spufs_mfc_read(struct file *file, char __user *buffer, | |
1307 | size_t size, loff_t *pos) | |
1308 | { | |
1309 | struct spu_context *ctx = file->private_data; | |
1310 | int ret = -EINVAL; | |
1311 | u32 status; | |
1312 | ||
1313 | if (size != 4) | |
1314 | goto out; | |
1315 | ||
1316 | spu_acquire(ctx); | |
1317 | if (file->f_flags & O_NONBLOCK) { | |
1318 | status = ctx->ops->read_mfc_tagstatus(ctx); | |
1319 | if (!(status & ctx->tagwait)) | |
1320 | ret = -EAGAIN; | |
1321 | else | |
1322 | ctx->tagwait &= ~status; | |
1323 | } else { | |
1324 | ret = spufs_wait(ctx->mfc_wq, | |
1325 | spufs_read_mfc_tagstatus(ctx, &status)); | |
1326 | } | |
1327 | spu_release(ctx); | |
1328 | ||
1329 | if (ret) | |
1330 | goto out; | |
1331 | ||
1332 | ret = 4; | |
1333 | if (copy_to_user(buffer, &status, 4)) | |
1334 | ret = -EFAULT; | |
1335 | ||
1336 | out: | |
1337 | return ret; | |
1338 | } | |
1339 | ||
1340 | static int spufs_check_valid_dma(struct mfc_dma_command *cmd) | |
1341 | { | |
1342 | pr_debug("queueing DMA %x %lx %x %x %x\n", cmd->lsa, | |
1343 | cmd->ea, cmd->size, cmd->tag, cmd->cmd); | |
1344 | ||
1345 | switch (cmd->cmd) { | |
1346 | case MFC_PUT_CMD: | |
1347 | case MFC_PUTF_CMD: | |
1348 | case MFC_PUTB_CMD: | |
1349 | case MFC_GET_CMD: | |
1350 | case MFC_GETF_CMD: | |
1351 | case MFC_GETB_CMD: | |
1352 | break; | |
1353 | default: | |
1354 | pr_debug("invalid DMA opcode %x\n", cmd->cmd); | |
1355 | return -EIO; | |
1356 | } | |
1357 | ||
1358 | if ((cmd->lsa & 0xf) != (cmd->ea &0xf)) { | |
1359 | pr_debug("invalid DMA alignment, ea %lx lsa %x\n", | |
1360 | cmd->ea, cmd->lsa); | |
1361 | return -EIO; | |
1362 | } | |
1363 | ||
1364 | switch (cmd->size & 0xf) { | |
1365 | case 1: | |
1366 | break; | |
1367 | case 2: | |
1368 | if (cmd->lsa & 1) | |
1369 | goto error; | |
1370 | break; | |
1371 | case 4: | |
1372 | if (cmd->lsa & 3) | |
1373 | goto error; | |
1374 | break; | |
1375 | case 8: | |
1376 | if (cmd->lsa & 7) | |
1377 | goto error; | |
1378 | break; | |
1379 | case 0: | |
1380 | if (cmd->lsa & 15) | |
1381 | goto error; | |
1382 | break; | |
1383 | error: | |
1384 | default: | |
1385 | pr_debug("invalid DMA alignment %x for size %x\n", | |
1386 | cmd->lsa & 0xf, cmd->size); | |
1387 | return -EIO; | |
1388 | } | |
1389 | ||
1390 | if (cmd->size > 16 * 1024) { | |
1391 | pr_debug("invalid DMA size %x\n", cmd->size); | |
1392 | return -EIO; | |
1393 | } | |
1394 | ||
1395 | if (cmd->tag & 0xfff0) { | |
1396 | /* we reserve the higher tag numbers for kernel use */ | |
1397 | pr_debug("invalid DMA tag\n"); | |
1398 | return -EIO; | |
1399 | } | |
1400 | ||
1401 | if (cmd->class) { | |
1402 | /* not supported in this version */ | |
1403 | pr_debug("invalid DMA class\n"); | |
1404 | return -EIO; | |
1405 | } | |
1406 | ||
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | static int spu_send_mfc_command(struct spu_context *ctx, | |
1411 | struct mfc_dma_command cmd, | |
1412 | int *error) | |
1413 | { | |
1414 | *error = ctx->ops->send_mfc_command(ctx, &cmd); | |
1415 | if (*error == -EAGAIN) { | |
1416 | /* wait for any tag group to complete | |
1417 | so we have space for the new command */ | |
1418 | ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1); | |
1419 | /* try again, because the queue might be | |
1420 | empty again */ | |
1421 | *error = ctx->ops->send_mfc_command(ctx, &cmd); | |
1422 | if (*error == -EAGAIN) | |
1423 | return 0; | |
1424 | } | |
1425 | return 1; | |
1426 | } | |
1427 | ||
1428 | static ssize_t spufs_mfc_write(struct file *file, const char __user *buffer, | |
1429 | size_t size, loff_t *pos) | |
1430 | { | |
1431 | struct spu_context *ctx = file->private_data; | |
1432 | struct mfc_dma_command cmd; | |
1433 | int ret = -EINVAL; | |
1434 | ||
1435 | if (size != sizeof cmd) | |
1436 | goto out; | |
1437 | ||
1438 | ret = -EFAULT; | |
1439 | if (copy_from_user(&cmd, buffer, sizeof cmd)) | |
1440 | goto out; | |
1441 | ||
1442 | ret = spufs_check_valid_dma(&cmd); | |
1443 | if (ret) | |
1444 | goto out; | |
1445 | ||
26bec673 | 1446 | spu_acquire_runnable(ctx, 0); |
a33a7d73 AB |
1447 | if (file->f_flags & O_NONBLOCK) { |
1448 | ret = ctx->ops->send_mfc_command(ctx, &cmd); | |
1449 | } else { | |
1450 | int status; | |
1451 | ret = spufs_wait(ctx->mfc_wq, | |
1452 | spu_send_mfc_command(ctx, cmd, &status)); | |
1453 | if (status) | |
1454 | ret = status; | |
1455 | } | |
1456 | spu_release(ctx); | |
1457 | ||
1458 | if (ret) | |
1459 | goto out; | |
1460 | ||
1461 | ctx->tagwait |= 1 << cmd.tag; | |
3692dc66 | 1462 | ret = size; |
a33a7d73 AB |
1463 | |
1464 | out: | |
1465 | return ret; | |
1466 | } | |
1467 | ||
1468 | static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait) | |
1469 | { | |
1470 | struct spu_context *ctx = file->private_data; | |
1471 | u32 free_elements, tagstatus; | |
1472 | unsigned int mask; | |
1473 | ||
1474 | spu_acquire(ctx); | |
1475 | ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2); | |
1476 | free_elements = ctx->ops->get_mfc_free_elements(ctx); | |
1477 | tagstatus = ctx->ops->read_mfc_tagstatus(ctx); | |
1478 | spu_release(ctx); | |
1479 | ||
1480 | poll_wait(file, &ctx->mfc_wq, wait); | |
1481 | ||
1482 | mask = 0; | |
1483 | if (free_elements & 0xffff) | |
1484 | mask |= POLLOUT | POLLWRNORM; | |
1485 | if (tagstatus & ctx->tagwait) | |
1486 | mask |= POLLIN | POLLRDNORM; | |
1487 | ||
1488 | pr_debug("%s: free %d tagstatus %d tagwait %d\n", __FUNCTION__, | |
1489 | free_elements, tagstatus, ctx->tagwait); | |
1490 | ||
1491 | return mask; | |
1492 | } | |
1493 | ||
73b6af8a | 1494 | static int spufs_mfc_flush(struct file *file, fl_owner_t id) |
a33a7d73 AB |
1495 | { |
1496 | struct spu_context *ctx = file->private_data; | |
1497 | int ret; | |
1498 | ||
1499 | spu_acquire(ctx); | |
1500 | #if 0 | |
1501 | /* this currently hangs */ | |
1502 | ret = spufs_wait(ctx->mfc_wq, | |
1503 | ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2)); | |
1504 | if (ret) | |
1505 | goto out; | |
1506 | ret = spufs_wait(ctx->mfc_wq, | |
1507 | ctx->ops->read_mfc_tagstatus(ctx) == ctx->tagwait); | |
1508 | out: | |
1509 | #else | |
1510 | ret = 0; | |
1511 | #endif | |
1512 | spu_release(ctx); | |
1513 | ||
1514 | return ret; | |
1515 | } | |
1516 | ||
1517 | static int spufs_mfc_fsync(struct file *file, struct dentry *dentry, | |
1518 | int datasync) | |
1519 | { | |
73b6af8a | 1520 | return spufs_mfc_flush(file, NULL); |
a33a7d73 AB |
1521 | } |
1522 | ||
1523 | static int spufs_mfc_fasync(int fd, struct file *file, int on) | |
1524 | { | |
1525 | struct spu_context *ctx = file->private_data; | |
1526 | ||
1527 | return fasync_helper(fd, file, on, &ctx->mfc_fasync); | |
1528 | } | |
1529 | ||
5dfe4c96 | 1530 | static const struct file_operations spufs_mfc_fops = { |
a33a7d73 | 1531 | .open = spufs_mfc_open, |
43c2bbd9 | 1532 | .release = spufs_mfc_release, |
a33a7d73 AB |
1533 | .read = spufs_mfc_read, |
1534 | .write = spufs_mfc_write, | |
1535 | .poll = spufs_mfc_poll, | |
1536 | .flush = spufs_mfc_flush, | |
1537 | .fsync = spufs_mfc_fsync, | |
1538 | .fasync = spufs_mfc_fasync, | |
6df10a82 | 1539 | .mmap = spufs_mfc_mmap, |
a33a7d73 AB |
1540 | }; |
1541 | ||
67207b96 AB |
1542 | static void spufs_npc_set(void *data, u64 val) |
1543 | { | |
1544 | struct spu_context *ctx = data; | |
8b3d6663 AB |
1545 | spu_acquire(ctx); |
1546 | ctx->ops->npc_write(ctx, val); | |
1547 | spu_release(ctx); | |
67207b96 AB |
1548 | } |
1549 | ||
1550 | static u64 spufs_npc_get(void *data) | |
1551 | { | |
1552 | struct spu_context *ctx = data; | |
1553 | u64 ret; | |
8b3d6663 AB |
1554 | spu_acquire(ctx); |
1555 | ret = ctx->ops->npc_read(ctx); | |
1556 | spu_release(ctx); | |
67207b96 AB |
1557 | return ret; |
1558 | } | |
9b5047e2 DGM |
1559 | DEFINE_SIMPLE_ATTRIBUTE(spufs_npc_ops, spufs_npc_get, spufs_npc_set, |
1560 | "0x%llx\n") | |
67207b96 | 1561 | |
8b3d6663 AB |
1562 | static void spufs_decr_set(void *data, u64 val) |
1563 | { | |
1564 | struct spu_context *ctx = data; | |
1565 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
1566 | spu_acquire_saved(ctx); | |
1567 | lscsa->decr.slot[0] = (u32) val; | |
1568 | spu_release(ctx); | |
1569 | } | |
1570 | ||
bf1ab978 | 1571 | static u64 __spufs_decr_get(void *data) |
8b3d6663 AB |
1572 | { |
1573 | struct spu_context *ctx = data; | |
1574 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
bf1ab978 DGM |
1575 | return lscsa->decr.slot[0]; |
1576 | } | |
1577 | ||
1578 | static u64 spufs_decr_get(void *data) | |
1579 | { | |
1580 | struct spu_context *ctx = data; | |
8b3d6663 AB |
1581 | u64 ret; |
1582 | spu_acquire_saved(ctx); | |
bf1ab978 | 1583 | ret = __spufs_decr_get(data); |
8b3d6663 AB |
1584 | spu_release(ctx); |
1585 | return ret; | |
1586 | } | |
1587 | DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set, | |
9b5047e2 | 1588 | "0x%llx\n") |
8b3d6663 AB |
1589 | |
1590 | static void spufs_decr_status_set(void *data, u64 val) | |
1591 | { | |
1592 | struct spu_context *ctx = data; | |
1593 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
1594 | spu_acquire_saved(ctx); | |
1595 | lscsa->decr_status.slot[0] = (u32) val; | |
1596 | spu_release(ctx); | |
1597 | } | |
1598 | ||
bf1ab978 | 1599 | static u64 __spufs_decr_status_get(void *data) |
8b3d6663 AB |
1600 | { |
1601 | struct spu_context *ctx = data; | |
1602 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
bf1ab978 DGM |
1603 | return lscsa->decr_status.slot[0]; |
1604 | } | |
1605 | ||
1606 | static u64 spufs_decr_status_get(void *data) | |
1607 | { | |
1608 | struct spu_context *ctx = data; | |
8b3d6663 AB |
1609 | u64 ret; |
1610 | spu_acquire_saved(ctx); | |
bf1ab978 | 1611 | ret = __spufs_decr_status_get(data); |
8b3d6663 AB |
1612 | spu_release(ctx); |
1613 | return ret; | |
1614 | } | |
1615 | DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_status_ops, spufs_decr_status_get, | |
9b5047e2 | 1616 | spufs_decr_status_set, "0x%llx\n") |
8b3d6663 | 1617 | |
8b3d6663 AB |
1618 | static void spufs_event_mask_set(void *data, u64 val) |
1619 | { | |
1620 | struct spu_context *ctx = data; | |
1621 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
1622 | spu_acquire_saved(ctx); | |
1623 | lscsa->event_mask.slot[0] = (u32) val; | |
1624 | spu_release(ctx); | |
1625 | } | |
1626 | ||
bf1ab978 | 1627 | static u64 __spufs_event_mask_get(void *data) |
8b3d6663 AB |
1628 | { |
1629 | struct spu_context *ctx = data; | |
1630 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
bf1ab978 DGM |
1631 | return lscsa->event_mask.slot[0]; |
1632 | } | |
1633 | ||
1634 | static u64 spufs_event_mask_get(void *data) | |
1635 | { | |
1636 | struct spu_context *ctx = data; | |
8b3d6663 AB |
1637 | u64 ret; |
1638 | spu_acquire_saved(ctx); | |
bf1ab978 | 1639 | ret = __spufs_event_mask_get(data); |
8b3d6663 AB |
1640 | spu_release(ctx); |
1641 | return ret; | |
1642 | } | |
1643 | DEFINE_SIMPLE_ATTRIBUTE(spufs_event_mask_ops, spufs_event_mask_get, | |
9b5047e2 | 1644 | spufs_event_mask_set, "0x%llx\n") |
8b3d6663 | 1645 | |
bf1ab978 | 1646 | static u64 __spufs_event_status_get(void *data) |
b9e3bd77 DGM |
1647 | { |
1648 | struct spu_context *ctx = data; | |
1649 | struct spu_state *state = &ctx->csa; | |
b9e3bd77 | 1650 | u64 stat; |
b9e3bd77 DGM |
1651 | stat = state->spu_chnlcnt_RW[0]; |
1652 | if (stat) | |
bf1ab978 DGM |
1653 | return state->spu_chnldata_RW[0]; |
1654 | return 0; | |
1655 | } | |
1656 | ||
1657 | static u64 spufs_event_status_get(void *data) | |
1658 | { | |
1659 | struct spu_context *ctx = data; | |
1660 | u64 ret = 0; | |
1661 | ||
1662 | spu_acquire_saved(ctx); | |
1663 | ret = __spufs_event_status_get(data); | |
b9e3bd77 DGM |
1664 | spu_release(ctx); |
1665 | return ret; | |
1666 | } | |
1667 | DEFINE_SIMPLE_ATTRIBUTE(spufs_event_status_ops, spufs_event_status_get, | |
1668 | NULL, "0x%llx\n") | |
1669 | ||
8b3d6663 AB |
1670 | static void spufs_srr0_set(void *data, u64 val) |
1671 | { | |
1672 | struct spu_context *ctx = data; | |
1673 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
1674 | spu_acquire_saved(ctx); | |
1675 | lscsa->srr0.slot[0] = (u32) val; | |
1676 | spu_release(ctx); | |
1677 | } | |
1678 | ||
1679 | static u64 spufs_srr0_get(void *data) | |
1680 | { | |
1681 | struct spu_context *ctx = data; | |
1682 | struct spu_lscsa *lscsa = ctx->csa.lscsa; | |
1683 | u64 ret; | |
1684 | spu_acquire_saved(ctx); | |
1685 | ret = lscsa->srr0.slot[0]; | |
1686 | spu_release(ctx); | |
1687 | return ret; | |
1688 | } | |
1689 | DEFINE_SIMPLE_ATTRIBUTE(spufs_srr0_ops, spufs_srr0_get, spufs_srr0_set, | |
9b5047e2 | 1690 | "0x%llx\n") |
8b3d6663 | 1691 | |
7b1a7014 AB |
1692 | static u64 spufs_id_get(void *data) |
1693 | { | |
1694 | struct spu_context *ctx = data; | |
1695 | u64 num; | |
1696 | ||
1697 | spu_acquire(ctx); | |
1698 | if (ctx->state == SPU_STATE_RUNNABLE) | |
1699 | num = ctx->spu->number; | |
1700 | else | |
1701 | num = (unsigned int)-1; | |
1702 | spu_release(ctx); | |
1703 | ||
1704 | return num; | |
1705 | } | |
e45d6634 | 1706 | DEFINE_SIMPLE_ATTRIBUTE(spufs_id_ops, spufs_id_get, NULL, "0x%llx\n") |
7b1a7014 | 1707 | |
bf1ab978 | 1708 | static u64 __spufs_object_id_get(void *data) |
86767277 AB |
1709 | { |
1710 | struct spu_context *ctx = data; | |
1711 | return ctx->object_id; | |
1712 | } | |
1713 | ||
bf1ab978 DGM |
1714 | static u64 spufs_object_id_get(void *data) |
1715 | { | |
1716 | /* FIXME: Should there really be no locking here? */ | |
1717 | return __spufs_object_id_get(data); | |
1718 | } | |
1719 | ||
86767277 AB |
1720 | static void spufs_object_id_set(void *data, u64 id) |
1721 | { | |
1722 | struct spu_context *ctx = data; | |
1723 | ctx->object_id = id; | |
1724 | } | |
1725 | ||
1726 | DEFINE_SIMPLE_ATTRIBUTE(spufs_object_id_ops, spufs_object_id_get, | |
1727 | spufs_object_id_set, "0x%llx\n"); | |
1728 | ||
bf1ab978 DGM |
1729 | static u64 __spufs_lslr_get(void *data) |
1730 | { | |
1731 | struct spu_context *ctx = data; | |
1732 | return ctx->csa.priv2.spu_lslr_RW; | |
1733 | } | |
1734 | ||
b9e3bd77 DGM |
1735 | static u64 spufs_lslr_get(void *data) |
1736 | { | |
1737 | struct spu_context *ctx = data; | |
1738 | u64 ret; | |
1739 | ||
1740 | spu_acquire_saved(ctx); | |
bf1ab978 | 1741 | ret = __spufs_lslr_get(data); |
b9e3bd77 DGM |
1742 | spu_release(ctx); |
1743 | ||
1744 | return ret; | |
1745 | } | |
1746 | DEFINE_SIMPLE_ATTRIBUTE(spufs_lslr_ops, spufs_lslr_get, NULL, "0x%llx\n") | |
1747 | ||
1748 | static int spufs_info_open(struct inode *inode, struct file *file) | |
1749 | { | |
1750 | struct spufs_inode_info *i = SPUFS_I(inode); | |
1751 | struct spu_context *ctx = i->i_ctx; | |
1752 | file->private_data = ctx; | |
1753 | return 0; | |
1754 | } | |
1755 | ||
bf1ab978 DGM |
1756 | static ssize_t __spufs_mbox_info_read(struct spu_context *ctx, |
1757 | char __user *buf, size_t len, loff_t *pos) | |
1758 | { | |
1759 | u32 mbox_stat; | |
1760 | u32 data; | |
1761 | ||
1762 | mbox_stat = ctx->csa.prob.mb_stat_R; | |
1763 | if (mbox_stat & 0x0000ff) { | |
1764 | data = ctx->csa.prob.pu_mb_R; | |
1765 | } | |
1766 | ||
1767 | return simple_read_from_buffer(buf, len, pos, &data, sizeof data); | |
1768 | } | |
1769 | ||
69a2f00c DGM |
1770 | static ssize_t spufs_mbox_info_read(struct file *file, char __user *buf, |
1771 | size_t len, loff_t *pos) | |
1772 | { | |
bf1ab978 | 1773 | int ret; |
69a2f00c | 1774 | struct spu_context *ctx = file->private_data; |
69a2f00c DGM |
1775 | |
1776 | if (!access_ok(VERIFY_WRITE, buf, len)) | |
1777 | return -EFAULT; | |
1778 | ||
1779 | spu_acquire_saved(ctx); | |
1780 | spin_lock(&ctx->csa.register_lock); | |
bf1ab978 | 1781 | ret = __spufs_mbox_info_read(ctx, buf, len, pos); |
69a2f00c DGM |
1782 | spin_unlock(&ctx->csa.register_lock); |
1783 | spu_release(ctx); | |
1784 | ||
bf1ab978 | 1785 | return ret; |
69a2f00c DGM |
1786 | } |
1787 | ||
5dfe4c96 | 1788 | static const struct file_operations spufs_mbox_info_fops = { |
69a2f00c DGM |
1789 | .open = spufs_info_open, |
1790 | .read = spufs_mbox_info_read, | |
1791 | .llseek = generic_file_llseek, | |
1792 | }; | |
1793 | ||
bf1ab978 DGM |
1794 | static ssize_t __spufs_ibox_info_read(struct spu_context *ctx, |
1795 | char __user *buf, size_t len, loff_t *pos) | |
1796 | { | |
1797 | u32 ibox_stat; | |
1798 | u32 data; | |
1799 | ||
1800 | ibox_stat = ctx->csa.prob.mb_stat_R; | |
1801 | if (ibox_stat & 0xff0000) { | |
1802 | data = ctx->csa.priv2.puint_mb_R; | |
1803 | } | |
1804 | ||
1805 | return simple_read_from_buffer(buf, len, pos, &data, sizeof data); | |
1806 | } | |
1807 | ||
69a2f00c DGM |
1808 | static ssize_t spufs_ibox_info_read(struct file *file, char __user *buf, |
1809 | size_t len, loff_t *pos) | |
1810 | { | |
1811 | struct spu_context *ctx = file->private_data; | |
bf1ab978 | 1812 | int ret; |
69a2f00c DGM |
1813 | |
1814 | if (!access_ok(VERIFY_WRITE, buf, len)) | |
1815 | return -EFAULT; | |
1816 | ||
1817 | spu_acquire_saved(ctx); | |
1818 | spin_lock(&ctx->csa.register_lock); | |
bf1ab978 | 1819 | ret = __spufs_ibox_info_read(ctx, buf, len, pos); |
69a2f00c DGM |
1820 | spin_unlock(&ctx->csa.register_lock); |
1821 | spu_release(ctx); | |
1822 | ||
bf1ab978 | 1823 | return ret; |
69a2f00c DGM |
1824 | } |
1825 | ||
5dfe4c96 | 1826 | static const struct file_operations spufs_ibox_info_fops = { |
69a2f00c DGM |
1827 | .open = spufs_info_open, |
1828 | .read = spufs_ibox_info_read, | |
1829 | .llseek = generic_file_llseek, | |
1830 | }; | |
1831 | ||
bf1ab978 DGM |
1832 | static ssize_t __spufs_wbox_info_read(struct spu_context *ctx, |
1833 | char __user *buf, size_t len, loff_t *pos) | |
69a2f00c | 1834 | { |
69a2f00c DGM |
1835 | int i, cnt; |
1836 | u32 data[4]; | |
1837 | u32 wbox_stat; | |
1838 | ||
bf1ab978 DGM |
1839 | wbox_stat = ctx->csa.prob.mb_stat_R; |
1840 | cnt = 4 - ((wbox_stat & 0x00ff00) >> 8); | |
1841 | for (i = 0; i < cnt; i++) { | |
1842 | data[i] = ctx->csa.spu_mailbox_data[i]; | |
1843 | } | |
1844 | ||
1845 | return simple_read_from_buffer(buf, len, pos, &data, | |
1846 | cnt * sizeof(u32)); | |
1847 | } | |
1848 | ||
1849 | static ssize_t spufs_wbox_info_read(struct file *file, char __user *buf, | |
1850 | size_t len, loff_t *pos) | |
1851 | { | |
1852 | struct spu_context *ctx = file->private_data; | |
1853 | int ret; | |
1854 | ||
69a2f00c DGM |
1855 | if (!access_ok(VERIFY_WRITE, buf, len)) |
1856 | return -EFAULT; | |
1857 | ||
1858 | spu_acquire_saved(ctx); | |
1859 | spin_lock(&ctx->csa.register_lock); | |
bf1ab978 | 1860 | ret = __spufs_wbox_info_read(ctx, buf, len, pos); |
69a2f00c DGM |
1861 | spin_unlock(&ctx->csa.register_lock); |
1862 | spu_release(ctx); | |
1863 | ||
bf1ab978 | 1864 | return ret; |
69a2f00c DGM |
1865 | } |
1866 | ||
5dfe4c96 | 1867 | static const struct file_operations spufs_wbox_info_fops = { |
69a2f00c DGM |
1868 | .open = spufs_info_open, |
1869 | .read = spufs_wbox_info_read, | |
1870 | .llseek = generic_file_llseek, | |
1871 | }; | |
1872 | ||
bf1ab978 DGM |
1873 | static ssize_t __spufs_dma_info_read(struct spu_context *ctx, |
1874 | char __user *buf, size_t len, loff_t *pos) | |
b9e3bd77 | 1875 | { |
b9e3bd77 DGM |
1876 | struct spu_dma_info info; |
1877 | struct mfc_cq_sr *qp, *spuqp; | |
1878 | int i; | |
1879 | ||
b9e3bd77 DGM |
1880 | info.dma_info_type = ctx->csa.priv2.spu_tag_status_query_RW; |
1881 | info.dma_info_mask = ctx->csa.lscsa->tag_mask.slot[0]; | |
1882 | info.dma_info_status = ctx->csa.spu_chnldata_RW[24]; | |
1883 | info.dma_info_stall_and_notify = ctx->csa.spu_chnldata_RW[25]; | |
1884 | info.dma_info_atomic_command_status = ctx->csa.spu_chnldata_RW[27]; | |
1885 | for (i = 0; i < 16; i++) { | |
1886 | qp = &info.dma_info_command_data[i]; | |
1887 | spuqp = &ctx->csa.priv2.spuq[i]; | |
1888 | ||
1889 | qp->mfc_cq_data0_RW = spuqp->mfc_cq_data0_RW; | |
1890 | qp->mfc_cq_data1_RW = spuqp->mfc_cq_data1_RW; | |
1891 | qp->mfc_cq_data2_RW = spuqp->mfc_cq_data2_RW; | |
1892 | qp->mfc_cq_data3_RW = spuqp->mfc_cq_data3_RW; | |
1893 | } | |
b9e3bd77 DGM |
1894 | |
1895 | return simple_read_from_buffer(buf, len, pos, &info, | |
1896 | sizeof info); | |
1897 | } | |
1898 | ||
bf1ab978 DGM |
1899 | static ssize_t spufs_dma_info_read(struct file *file, char __user *buf, |
1900 | size_t len, loff_t *pos) | |
1901 | { | |
1902 | struct spu_context *ctx = file->private_data; | |
1903 | int ret; | |
1904 | ||
1905 | if (!access_ok(VERIFY_WRITE, buf, len)) | |
1906 | return -EFAULT; | |
1907 | ||
1908 | spu_acquire_saved(ctx); | |
1909 | spin_lock(&ctx->csa.register_lock); | |
1910 | ret = __spufs_dma_info_read(ctx, buf, len, pos); | |
1911 | spin_unlock(&ctx->csa.register_lock); | |
1912 | spu_release(ctx); | |
1913 | ||
1914 | return ret; | |
1915 | } | |
1916 | ||
5dfe4c96 | 1917 | static const struct file_operations spufs_dma_info_fops = { |
b9e3bd77 DGM |
1918 | .open = spufs_info_open, |
1919 | .read = spufs_dma_info_read, | |
1920 | }; | |
1921 | ||
bf1ab978 DGM |
1922 | static ssize_t __spufs_proxydma_info_read(struct spu_context *ctx, |
1923 | char __user *buf, size_t len, loff_t *pos) | |
b9e3bd77 | 1924 | { |
b9e3bd77 | 1925 | struct spu_proxydma_info info; |
b9e3bd77 | 1926 | struct mfc_cq_sr *qp, *puqp; |
bf1ab978 | 1927 | int ret = sizeof info; |
b9e3bd77 DGM |
1928 | int i; |
1929 | ||
1930 | if (len < ret) | |
1931 | return -EINVAL; | |
1932 | ||
1933 | if (!access_ok(VERIFY_WRITE, buf, len)) | |
1934 | return -EFAULT; | |
1935 | ||
b9e3bd77 DGM |
1936 | info.proxydma_info_type = ctx->csa.prob.dma_querytype_RW; |
1937 | info.proxydma_info_mask = ctx->csa.prob.dma_querymask_RW; | |
1938 | info.proxydma_info_status = ctx->csa.prob.dma_tagstatus_R; | |
1939 | for (i = 0; i < 8; i++) { | |
1940 | qp = &info.proxydma_info_command_data[i]; | |
1941 | puqp = &ctx->csa.priv2.puq[i]; | |
1942 | ||
1943 | qp->mfc_cq_data0_RW = puqp->mfc_cq_data0_RW; | |
1944 | qp->mfc_cq_data1_RW = puqp->mfc_cq_data1_RW; | |
1945 | qp->mfc_cq_data2_RW = puqp->mfc_cq_data2_RW; | |
1946 | qp->mfc_cq_data3_RW = puqp->mfc_cq_data3_RW; | |
1947 | } | |
bf1ab978 DGM |
1948 | |
1949 | return simple_read_from_buffer(buf, len, pos, &info, | |
1950 | sizeof info); | |
1951 | } | |
1952 | ||
1953 | static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf, | |
1954 | size_t len, loff_t *pos) | |
1955 | { | |
1956 | struct spu_context *ctx = file->private_data; | |
1957 | int ret; | |
1958 | ||
1959 | spu_acquire_saved(ctx); | |
1960 | spin_lock(&ctx->csa.register_lock); | |
1961 | ret = __spufs_proxydma_info_read(ctx, buf, len, pos); | |
b9e3bd77 DGM |
1962 | spin_unlock(&ctx->csa.register_lock); |
1963 | spu_release(ctx); | |
1964 | ||
b9e3bd77 DGM |
1965 | return ret; |
1966 | } | |
1967 | ||
5dfe4c96 | 1968 | static const struct file_operations spufs_proxydma_info_fops = { |
b9e3bd77 DGM |
1969 | .open = spufs_info_open, |
1970 | .read = spufs_proxydma_info_read, | |
1971 | }; | |
1972 | ||
67207b96 AB |
1973 | struct tree_descr spufs_dir_contents[] = { |
1974 | { "mem", &spufs_mem_fops, 0666, }, | |
8b3d6663 | 1975 | { "regs", &spufs_regs_fops, 0666, }, |
67207b96 AB |
1976 | { "mbox", &spufs_mbox_fops, 0444, }, |
1977 | { "ibox", &spufs_ibox_fops, 0444, }, | |
1978 | { "wbox", &spufs_wbox_fops, 0222, }, | |
1979 | { "mbox_stat", &spufs_mbox_stat_fops, 0444, }, | |
1980 | { "ibox_stat", &spufs_ibox_stat_fops, 0444, }, | |
1981 | { "wbox_stat", &spufs_wbox_stat_fops, 0444, }, | |
1982 | { "signal1", &spufs_signal1_fops, 0666, }, | |
1983 | { "signal2", &spufs_signal2_fops, 0666, }, | |
1984 | { "signal1_type", &spufs_signal1_type, 0666, }, | |
1985 | { "signal2_type", &spufs_signal2_type, 0666, }, | |
6df10a82 | 1986 | { "cntl", &spufs_cntl_fops, 0666, }, |
8b3d6663 | 1987 | { "fpcr", &spufs_fpcr_fops, 0666, }, |
b9e3bd77 DGM |
1988 | { "lslr", &spufs_lslr_ops, 0444, }, |
1989 | { "mfc", &spufs_mfc_fops, 0666, }, | |
1990 | { "mss", &spufs_mss_fops, 0666, }, | |
1991 | { "npc", &spufs_npc_ops, 0666, }, | |
1992 | { "srr0", &spufs_srr0_ops, 0666, }, | |
8b3d6663 AB |
1993 | { "decr", &spufs_decr_ops, 0666, }, |
1994 | { "decr_status", &spufs_decr_status_ops, 0666, }, | |
8b3d6663 | 1995 | { "event_mask", &spufs_event_mask_ops, 0666, }, |
b9e3bd77 | 1996 | { "event_status", &spufs_event_status_ops, 0444, }, |
27d5bf2a | 1997 | { "psmap", &spufs_psmap_fops, 0666, }, |
86767277 AB |
1998 | { "phys-id", &spufs_id_ops, 0666, }, |
1999 | { "object-id", &spufs_object_id_ops, 0666, }, | |
69a2f00c DGM |
2000 | { "mbox_info", &spufs_mbox_info_fops, 0444, }, |
2001 | { "ibox_info", &spufs_ibox_info_fops, 0444, }, | |
2002 | { "wbox_info", &spufs_wbox_info_fops, 0444, }, | |
b9e3bd77 DGM |
2003 | { "dma_info", &spufs_dma_info_fops, 0444, }, |
2004 | { "proxydma_info", &spufs_proxydma_info_fops, 0444, }, | |
67207b96 AB |
2005 | {}, |
2006 | }; | |
5737edd1 MN |
2007 | |
2008 | struct tree_descr spufs_dir_nosched_contents[] = { | |
2009 | { "mem", &spufs_mem_fops, 0666, }, | |
2010 | { "mbox", &spufs_mbox_fops, 0444, }, | |
2011 | { "ibox", &spufs_ibox_fops, 0444, }, | |
2012 | { "wbox", &spufs_wbox_fops, 0222, }, | |
2013 | { "mbox_stat", &spufs_mbox_stat_fops, 0444, }, | |
2014 | { "ibox_stat", &spufs_ibox_stat_fops, 0444, }, | |
2015 | { "wbox_stat", &spufs_wbox_stat_fops, 0444, }, | |
2016 | { "signal1", &spufs_signal1_fops, 0666, }, | |
2017 | { "signal2", &spufs_signal2_fops, 0666, }, | |
2018 | { "signal1_type", &spufs_signal1_type, 0666, }, | |
2019 | { "signal2_type", &spufs_signal2_type, 0666, }, | |
2020 | { "mss", &spufs_mss_fops, 0666, }, | |
2021 | { "mfc", &spufs_mfc_fops, 0666, }, | |
2022 | { "cntl", &spufs_cntl_fops, 0666, }, | |
2023 | { "npc", &spufs_npc_ops, 0666, }, | |
2024 | { "psmap", &spufs_psmap_fops, 0666, }, | |
2025 | { "phys-id", &spufs_id_ops, 0666, }, | |
2026 | { "object-id", &spufs_object_id_ops, 0666, }, | |
2027 | {}, | |
2028 | }; | |
bf1ab978 DGM |
2029 | |
2030 | struct spufs_coredump_reader spufs_coredump_read[] = { | |
2031 | { "regs", __spufs_regs_read, NULL, 128 * 16 }, | |
2032 | { "fpcr", __spufs_fpcr_read, NULL, 16 }, | |
2033 | { "lslr", NULL, __spufs_lslr_get, 11 }, | |
2034 | { "decr", NULL, __spufs_decr_get, 11 }, | |
2035 | { "decr_status", NULL, __spufs_decr_status_get, 11 }, | |
2036 | { "mem", __spufs_mem_read, NULL, 256 * 1024, }, | |
2037 | { "signal1", __spufs_signal1_read, NULL, 4 }, | |
2038 | { "signal1_type", NULL, __spufs_signal1_type_get, 2 }, | |
2039 | { "signal2", __spufs_signal2_read, NULL, 4 }, | |
2040 | { "signal2_type", NULL, __spufs_signal2_type_get, 2 }, | |
2041 | { "event_mask", NULL, __spufs_event_mask_get, 8 }, | |
2042 | { "event_status", NULL, __spufs_event_status_get, 8 }, | |
2043 | { "mbox_info", __spufs_mbox_info_read, NULL, 4 }, | |
2044 | { "ibox_info", __spufs_ibox_info_read, NULL, 4 }, | |
2045 | { "wbox_info", __spufs_wbox_info_read, NULL, 16 }, | |
2046 | { "dma_info", __spufs_dma_info_read, NULL, 69 * 8 }, | |
2047 | { "proxydma_info", __spufs_proxydma_info_read, NULL, 35 * 8 }, | |
2048 | { "object-id", NULL, __spufs_object_id_get, 19 }, | |
2049 | { }, | |
2050 | }; | |
2051 | int spufs_coredump_num_notes = ARRAY_SIZE(spufs_coredump_read) - 1; | |
2052 |