1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
27 #include <linux/module.h>
30 #include "vmwgfx_drv.h"
31 #include "ttm/ttm_placement.h"
32 #include "ttm/ttm_bo_driver.h"
33 #include "ttm/ttm_object.h"
34 #include "ttm/ttm_module.h"
36 #define VMWGFX_DRIVER_NAME "vmwgfx"
37 #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
38 #define VMWGFX_CHIP_SVGAII 0
39 #define VMW_FB_RESERVATION 0
42 * Fully encoded drm commands. Might move to vmw_drm.h
45 #define DRM_IOCTL_VMW_GET_PARAM \
46 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM, \
47 struct drm_vmw_getparam_arg)
48 #define DRM_IOCTL_VMW_ALLOC_DMABUF \
49 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF, \
50 union drm_vmw_alloc_dmabuf_arg)
51 #define DRM_IOCTL_VMW_UNREF_DMABUF \
52 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF, \
53 struct drm_vmw_unref_dmabuf_arg)
54 #define DRM_IOCTL_VMW_CURSOR_BYPASS \
55 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS, \
56 struct drm_vmw_cursor_bypass_arg)
58 #define DRM_IOCTL_VMW_CONTROL_STREAM \
59 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM, \
60 struct drm_vmw_control_stream_arg)
61 #define DRM_IOCTL_VMW_CLAIM_STREAM \
62 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
63 struct drm_vmw_stream_arg)
64 #define DRM_IOCTL_VMW_UNREF_STREAM \
65 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM, \
66 struct drm_vmw_stream_arg)
68 #define DRM_IOCTL_VMW_CREATE_CONTEXT \
69 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
70 struct drm_vmw_context_arg)
71 #define DRM_IOCTL_VMW_UNREF_CONTEXT \
72 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT, \
73 struct drm_vmw_context_arg)
74 #define DRM_IOCTL_VMW_CREATE_SURFACE \
75 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE, \
76 union drm_vmw_surface_create_arg)
77 #define DRM_IOCTL_VMW_UNREF_SURFACE \
78 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE, \
79 struct drm_vmw_surface_arg)
80 #define DRM_IOCTL_VMW_REF_SURFACE \
81 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE, \
82 union drm_vmw_surface_reference_arg)
83 #define DRM_IOCTL_VMW_EXECBUF \
84 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF, \
85 struct drm_vmw_execbuf_arg)
86 #define DRM_IOCTL_VMW_GET_3D_CAP \
87 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP, \
88 struct drm_vmw_get_3d_cap_arg)
89 #define DRM_IOCTL_VMW_FENCE_WAIT \
90 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT, \
91 struct drm_vmw_fence_wait_arg)
92 #define DRM_IOCTL_VMW_FENCE_SIGNALED \
93 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED, \
94 struct drm_vmw_fence_signaled_arg)
95 #define DRM_IOCTL_VMW_FENCE_UNREF \
96 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF, \
97 struct drm_vmw_fence_arg)
98 #define DRM_IOCTL_VMW_FENCE_EVENT \
99 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT, \
100 struct drm_vmw_fence_event_arg)
101 #define DRM_IOCTL_VMW_PRESENT \
102 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT, \
103 struct drm_vmw_present_arg)
104 #define DRM_IOCTL_VMW_PRESENT_READBACK \
105 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK, \
106 struct drm_vmw_present_readback_arg)
107 #define DRM_IOCTL_VMW_UPDATE_LAYOUT \
108 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT, \
109 struct drm_vmw_update_layout_arg)
112 * The core DRM version of this macro doesn't account for
116 #define VMW_IOCTL_DEF(ioctl, func, flags) \
117 [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
123 static struct drm_ioctl_desc vmw_ioctls
[] = {
124 VMW_IOCTL_DEF(VMW_GET_PARAM
, vmw_getparam_ioctl
,
125 DRM_AUTH
| DRM_UNLOCKED
),
126 VMW_IOCTL_DEF(VMW_ALLOC_DMABUF
, vmw_dmabuf_alloc_ioctl
,
127 DRM_AUTH
| DRM_UNLOCKED
),
128 VMW_IOCTL_DEF(VMW_UNREF_DMABUF
, vmw_dmabuf_unref_ioctl
,
129 DRM_AUTH
| DRM_UNLOCKED
),
130 VMW_IOCTL_DEF(VMW_CURSOR_BYPASS
,
131 vmw_kms_cursor_bypass_ioctl
,
132 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
134 VMW_IOCTL_DEF(VMW_CONTROL_STREAM
, vmw_overlay_ioctl
,
135 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
136 VMW_IOCTL_DEF(VMW_CLAIM_STREAM
, vmw_stream_claim_ioctl
,
137 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
138 VMW_IOCTL_DEF(VMW_UNREF_STREAM
, vmw_stream_unref_ioctl
,
139 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
141 VMW_IOCTL_DEF(VMW_CREATE_CONTEXT
, vmw_context_define_ioctl
,
142 DRM_AUTH
| DRM_UNLOCKED
),
143 VMW_IOCTL_DEF(VMW_UNREF_CONTEXT
, vmw_context_destroy_ioctl
,
144 DRM_AUTH
| DRM_UNLOCKED
),
145 VMW_IOCTL_DEF(VMW_CREATE_SURFACE
, vmw_surface_define_ioctl
,
146 DRM_AUTH
| DRM_UNLOCKED
),
147 VMW_IOCTL_DEF(VMW_UNREF_SURFACE
, vmw_surface_destroy_ioctl
,
148 DRM_AUTH
| DRM_UNLOCKED
),
149 VMW_IOCTL_DEF(VMW_REF_SURFACE
, vmw_surface_reference_ioctl
,
150 DRM_AUTH
| DRM_UNLOCKED
),
151 VMW_IOCTL_DEF(VMW_EXECBUF
, vmw_execbuf_ioctl
,
152 DRM_AUTH
| DRM_UNLOCKED
),
153 VMW_IOCTL_DEF(VMW_FENCE_WAIT
, vmw_fence_obj_wait_ioctl
,
154 DRM_AUTH
| DRM_UNLOCKED
),
155 VMW_IOCTL_DEF(VMW_FENCE_SIGNALED
,
156 vmw_fence_obj_signaled_ioctl
,
157 DRM_AUTH
| DRM_UNLOCKED
),
158 VMW_IOCTL_DEF(VMW_FENCE_UNREF
, vmw_fence_obj_unref_ioctl
,
159 DRM_AUTH
| DRM_UNLOCKED
),
160 VMW_IOCTL_DEF(VMW_FENCE_EVENT
,
161 vmw_fence_event_ioctl
,
162 DRM_AUTH
| DRM_UNLOCKED
),
163 VMW_IOCTL_DEF(VMW_GET_3D_CAP
, vmw_get_cap_3d_ioctl
,
164 DRM_AUTH
| DRM_UNLOCKED
),
166 /* these allow direct access to the framebuffers mark as master only */
167 VMW_IOCTL_DEF(VMW_PRESENT
, vmw_present_ioctl
,
168 DRM_MASTER
| DRM_AUTH
| DRM_UNLOCKED
),
169 VMW_IOCTL_DEF(VMW_PRESENT_READBACK
,
170 vmw_present_readback_ioctl
,
171 DRM_MASTER
| DRM_AUTH
| DRM_UNLOCKED
),
172 VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT
,
173 vmw_kms_update_layout_ioctl
,
174 DRM_MASTER
| DRM_UNLOCKED
),
177 static struct pci_device_id vmw_pci_id_list
[] = {
178 {0x15ad, 0x0405, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, VMWGFX_CHIP_SVGAII
},
182 static int enable_fbdev
;
184 static int vmw_probe(struct pci_dev
*, const struct pci_device_id
*);
185 static void vmw_master_init(struct vmw_master
*);
186 static int vmwgfx_pm_notifier(struct notifier_block
*nb
, unsigned long val
,
189 MODULE_PARM_DESC(enable_fbdev
, "Enable vmwgfx fbdev");
190 module_param_named(enable_fbdev
, enable_fbdev
, int, 0600);
192 static void vmw_print_capabilities(uint32_t capabilities
)
194 DRM_INFO("Capabilities:\n");
195 if (capabilities
& SVGA_CAP_RECT_COPY
)
196 DRM_INFO(" Rect copy.\n");
197 if (capabilities
& SVGA_CAP_CURSOR
)
198 DRM_INFO(" Cursor.\n");
199 if (capabilities
& SVGA_CAP_CURSOR_BYPASS
)
200 DRM_INFO(" Cursor bypass.\n");
201 if (capabilities
& SVGA_CAP_CURSOR_BYPASS_2
)
202 DRM_INFO(" Cursor bypass 2.\n");
203 if (capabilities
& SVGA_CAP_8BIT_EMULATION
)
204 DRM_INFO(" 8bit emulation.\n");
205 if (capabilities
& SVGA_CAP_ALPHA_CURSOR
)
206 DRM_INFO(" Alpha cursor.\n");
207 if (capabilities
& SVGA_CAP_3D
)
209 if (capabilities
& SVGA_CAP_EXTENDED_FIFO
)
210 DRM_INFO(" Extended Fifo.\n");
211 if (capabilities
& SVGA_CAP_MULTIMON
)
212 DRM_INFO(" Multimon.\n");
213 if (capabilities
& SVGA_CAP_PITCHLOCK
)
214 DRM_INFO(" Pitchlock.\n");
215 if (capabilities
& SVGA_CAP_IRQMASK
)
216 DRM_INFO(" Irq mask.\n");
217 if (capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
)
218 DRM_INFO(" Display Topology.\n");
219 if (capabilities
& SVGA_CAP_GMR
)
221 if (capabilities
& SVGA_CAP_TRACES
)
222 DRM_INFO(" Traces.\n");
223 if (capabilities
& SVGA_CAP_GMR2
)
224 DRM_INFO(" GMR2.\n");
225 if (capabilities
& SVGA_CAP_SCREEN_OBJECT_2
)
226 DRM_INFO(" Screen Object 2.\n");
231 * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
232 * the start of a buffer object.
234 * @dev_priv: The device private structure.
236 * This function will idle the buffer using an uninterruptible wait, then
237 * map the first page and initialize a pending occlusion query result structure,
238 * Finally it will unmap the buffer.
240 * TODO: Since we're only mapping a single page, we should optimize the map
241 * to use kmap_atomic / iomap_atomic.
243 static void vmw_dummy_query_bo_prepare(struct vmw_private
*dev_priv
)
245 struct ttm_bo_kmap_obj map
;
246 volatile SVGA3dQueryResult
*result
;
249 struct ttm_bo_device
*bdev
= &dev_priv
->bdev
;
250 struct ttm_buffer_object
*bo
= dev_priv
->dummy_query_bo
;
252 ttm_bo_reserve(bo
, false, false, false, 0);
253 spin_lock(&bdev
->fence_lock
);
254 ret
= ttm_bo_wait(bo
, false, false, false);
255 spin_unlock(&bdev
->fence_lock
);
256 if (unlikely(ret
!= 0))
257 (void) vmw_fallback_wait(dev_priv
, false, true, 0, false,
260 ret
= ttm_bo_kmap(bo
, 0, 1, &map
);
261 if (likely(ret
== 0)) {
262 result
= ttm_kmap_obj_virtual(&map
, &dummy
);
263 result
->totalSize
= sizeof(*result
);
264 result
->state
= SVGA3D_QUERYSTATE_PENDING
;
265 result
->result32
= 0xff;
268 DRM_ERROR("Dummy query buffer map failed.\n");
269 ttm_bo_unreserve(bo
);
274 * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
276 * @dev_priv: A device private structure.
278 * This function creates a small buffer object that holds the query
279 * result for dummy queries emitted as query barriers.
280 * No interruptible waits are done within this function.
282 * Returns an error if bo creation fails.
284 static int vmw_dummy_query_bo_create(struct vmw_private
*dev_priv
)
286 return ttm_bo_create(&dev_priv
->bdev
,
289 &vmw_vram_sys_placement
,
291 &dev_priv
->dummy_query_bo
);
295 static int vmw_request_device(struct vmw_private
*dev_priv
)
299 ret
= vmw_fifo_init(dev_priv
, &dev_priv
->fifo
);
300 if (unlikely(ret
!= 0)) {
301 DRM_ERROR("Unable to initialize FIFO.\n");
304 vmw_fence_fifo_up(dev_priv
->fman
);
305 ret
= vmw_dummy_query_bo_create(dev_priv
);
306 if (unlikely(ret
!= 0))
307 goto out_no_query_bo
;
308 vmw_dummy_query_bo_prepare(dev_priv
);
313 vmw_fence_fifo_down(dev_priv
->fman
);
314 vmw_fifo_release(dev_priv
, &dev_priv
->fifo
);
318 static void vmw_release_device(struct vmw_private
*dev_priv
)
321 * Previous destructions should've released
325 BUG_ON(dev_priv
->pinned_bo
!= NULL
);
327 ttm_bo_unref(&dev_priv
->dummy_query_bo
);
328 vmw_fence_fifo_down(dev_priv
->fman
);
329 vmw_fifo_release(dev_priv
, &dev_priv
->fifo
);
333 * Increase the 3d resource refcount.
334 * If the count was prevously zero, initialize the fifo, switching to svga
335 * mode. Note that the master holds a ref as well, and may request an
336 * explicit switch to svga mode if fb is not running, using @unhide_svga.
338 int vmw_3d_resource_inc(struct vmw_private
*dev_priv
,
343 mutex_lock(&dev_priv
->release_mutex
);
344 if (unlikely(dev_priv
->num_3d_resources
++ == 0)) {
345 ret
= vmw_request_device(dev_priv
);
346 if (unlikely(ret
!= 0))
347 --dev_priv
->num_3d_resources
;
348 } else if (unhide_svga
) {
349 mutex_lock(&dev_priv
->hw_mutex
);
350 vmw_write(dev_priv
, SVGA_REG_ENABLE
,
351 vmw_read(dev_priv
, SVGA_REG_ENABLE
) &
352 ~SVGA_REG_ENABLE_HIDE
);
353 mutex_unlock(&dev_priv
->hw_mutex
);
356 mutex_unlock(&dev_priv
->release_mutex
);
361 * Decrease the 3d resource refcount.
362 * If the count reaches zero, disable the fifo, switching to vga mode.
363 * Note that the master holds a refcount as well, and may request an
364 * explicit switch to vga mode when it releases its refcount to account
365 * for the situation of an X server vt switch to VGA with 3d resources
368 void vmw_3d_resource_dec(struct vmw_private
*dev_priv
,
373 mutex_lock(&dev_priv
->release_mutex
);
374 if (unlikely(--dev_priv
->num_3d_resources
== 0))
375 vmw_release_device(dev_priv
);
376 else if (hide_svga
) {
377 mutex_lock(&dev_priv
->hw_mutex
);
378 vmw_write(dev_priv
, SVGA_REG_ENABLE
,
379 vmw_read(dev_priv
, SVGA_REG_ENABLE
) |
380 SVGA_REG_ENABLE_HIDE
);
381 mutex_unlock(&dev_priv
->hw_mutex
);
384 n3d
= (int32_t) dev_priv
->num_3d_resources
;
385 mutex_unlock(&dev_priv
->release_mutex
);
390 static int vmw_driver_load(struct drm_device
*dev
, unsigned long chipset
)
392 struct vmw_private
*dev_priv
;
396 dev_priv
= kzalloc(sizeof(*dev_priv
), GFP_KERNEL
);
397 if (unlikely(dev_priv
== NULL
)) {
398 DRM_ERROR("Failed allocating a device private struct.\n");
401 memset(dev_priv
, 0, sizeof(*dev_priv
));
404 dev_priv
->vmw_chipset
= chipset
;
405 dev_priv
->last_read_seqno
= (uint32_t) -100;
406 mutex_init(&dev_priv
->hw_mutex
);
407 mutex_init(&dev_priv
->cmdbuf_mutex
);
408 mutex_init(&dev_priv
->release_mutex
);
409 rwlock_init(&dev_priv
->resource_lock
);
410 idr_init(&dev_priv
->context_idr
);
411 idr_init(&dev_priv
->surface_idr
);
412 idr_init(&dev_priv
->stream_idr
);
413 mutex_init(&dev_priv
->init_mutex
);
414 init_waitqueue_head(&dev_priv
->fence_queue
);
415 init_waitqueue_head(&dev_priv
->fifo_queue
);
416 dev_priv
->fence_queue_waiters
= 0;
417 atomic_set(&dev_priv
->fifo_queue_waiters
, 0);
418 INIT_LIST_HEAD(&dev_priv
->surface_lru
);
419 dev_priv
->used_memory_size
= 0;
421 dev_priv
->io_start
= pci_resource_start(dev
->pdev
, 0);
422 dev_priv
->vram_start
= pci_resource_start(dev
->pdev
, 1);
423 dev_priv
->mmio_start
= pci_resource_start(dev
->pdev
, 2);
425 dev_priv
->enable_fb
= enable_fbdev
;
427 mutex_lock(&dev_priv
->hw_mutex
);
429 vmw_write(dev_priv
, SVGA_REG_ID
, SVGA_ID_2
);
430 svga_id
= vmw_read(dev_priv
, SVGA_REG_ID
);
431 if (svga_id
!= SVGA_ID_2
) {
433 DRM_ERROR("Unsuported SVGA ID 0x%x\n", svga_id
);
434 mutex_unlock(&dev_priv
->hw_mutex
);
438 dev_priv
->capabilities
= vmw_read(dev_priv
, SVGA_REG_CAPABILITIES
);
440 dev_priv
->vram_size
= vmw_read(dev_priv
, SVGA_REG_VRAM_SIZE
);
441 dev_priv
->mmio_size
= vmw_read(dev_priv
, SVGA_REG_MEM_SIZE
);
442 dev_priv
->fb_max_width
= vmw_read(dev_priv
, SVGA_REG_MAX_WIDTH
);
443 dev_priv
->fb_max_height
= vmw_read(dev_priv
, SVGA_REG_MAX_HEIGHT
);
444 if (dev_priv
->capabilities
& SVGA_CAP_GMR
) {
445 dev_priv
->max_gmr_descriptors
=
447 SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH
);
448 dev_priv
->max_gmr_ids
=
449 vmw_read(dev_priv
, SVGA_REG_GMR_MAX_IDS
);
451 if (dev_priv
->capabilities
& SVGA_CAP_GMR2
) {
452 dev_priv
->max_gmr_pages
=
453 vmw_read(dev_priv
, SVGA_REG_GMRS_MAX_PAGES
);
454 dev_priv
->memory_size
=
455 vmw_read(dev_priv
, SVGA_REG_MEMORY_SIZE
);
456 dev_priv
->memory_size
-= dev_priv
->vram_size
;
459 * An arbitrary limit of 512MiB on surface
460 * memory. But all HWV8 hardware supports GMR2.
462 dev_priv
->memory_size
= 512*1024*1024;
465 mutex_unlock(&dev_priv
->hw_mutex
);
467 vmw_print_capabilities(dev_priv
->capabilities
);
469 if (dev_priv
->capabilities
& SVGA_CAP_GMR
) {
470 DRM_INFO("Max GMR ids is %u\n",
471 (unsigned)dev_priv
->max_gmr_ids
);
472 DRM_INFO("Max GMR descriptors is %u\n",
473 (unsigned)dev_priv
->max_gmr_descriptors
);
475 if (dev_priv
->capabilities
& SVGA_CAP_GMR2
) {
476 DRM_INFO("Max number of GMR pages is %u\n",
477 (unsigned)dev_priv
->max_gmr_pages
);
478 DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
479 (unsigned)dev_priv
->memory_size
/ 1024);
481 DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
482 dev_priv
->vram_start
, dev_priv
->vram_size
/ 1024);
483 DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
484 dev_priv
->mmio_start
, dev_priv
->mmio_size
/ 1024);
486 ret
= vmw_ttm_global_init(dev_priv
);
487 if (unlikely(ret
!= 0))
491 vmw_master_init(&dev_priv
->fbdev_master
);
492 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
493 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
496 ret
= ttm_bo_device_init(&dev_priv
->bdev
,
497 dev_priv
->bo_global_ref
.ref
.object
,
498 &vmw_bo_driver
, VMWGFX_FILE_PAGE_OFFSET
,
500 if (unlikely(ret
!= 0)) {
501 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
505 ret
= ttm_bo_init_mm(&dev_priv
->bdev
, TTM_PL_VRAM
,
506 (dev_priv
->vram_size
>> PAGE_SHIFT
));
507 if (unlikely(ret
!= 0)) {
508 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
512 dev_priv
->has_gmr
= true;
513 if (ttm_bo_init_mm(&dev_priv
->bdev
, VMW_PL_GMR
,
514 dev_priv
->max_gmr_ids
) != 0) {
515 DRM_INFO("No GMR memory available. "
516 "Graphics memory resources are very limited.\n");
517 dev_priv
->has_gmr
= false;
520 dev_priv
->mmio_mtrr
= drm_mtrr_add(dev_priv
->mmio_start
,
521 dev_priv
->mmio_size
, DRM_MTRR_WC
);
523 dev_priv
->mmio_virt
= ioremap_wc(dev_priv
->mmio_start
,
524 dev_priv
->mmio_size
);
526 if (unlikely(dev_priv
->mmio_virt
== NULL
)) {
528 DRM_ERROR("Failed mapping MMIO.\n");
532 /* Need mmio memory to check for fifo pitchlock cap. */
533 if (!(dev_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
) &&
534 !(dev_priv
->capabilities
& SVGA_CAP_PITCHLOCK
) &&
535 !vmw_fifo_have_pitchlock(dev_priv
)) {
537 DRM_ERROR("Hardware has no pitchlock\n");
541 dev_priv
->tdev
= ttm_object_device_init
542 (dev_priv
->mem_global_ref
.object
, 12);
544 if (unlikely(dev_priv
->tdev
== NULL
)) {
545 DRM_ERROR("Unable to initialize TTM object management.\n");
550 dev
->dev_private
= dev_priv
;
552 ret
= pci_request_regions(dev
->pdev
, "vmwgfx probe");
553 dev_priv
->stealth
= (ret
!= 0);
554 if (dev_priv
->stealth
) {
556 * Request at least the mmio PCI resource.
559 DRM_INFO("It appears like vesafb is loaded. "
560 "Ignore above error if any.\n");
561 ret
= pci_request_region(dev
->pdev
, 2, "vmwgfx stealth probe");
562 if (unlikely(ret
!= 0)) {
563 DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
568 dev_priv
->fman
= vmw_fence_manager_init(dev_priv
);
569 if (unlikely(dev_priv
->fman
== NULL
))
572 /* Need to start the fifo to check if we can do screen objects */
573 ret
= vmw_3d_resource_inc(dev_priv
, true);
574 if (unlikely(ret
!= 0))
576 vmw_kms_save_vga(dev_priv
);
578 /* Start kms and overlay systems, needs fifo. */
579 ret
= vmw_kms_init(dev_priv
);
580 if (unlikely(ret
!= 0))
582 vmw_overlay_init(dev_priv
);
584 /* 3D Depends on Screen Objects being used. */
585 DRM_INFO("Detected %sdevice 3D availability.\n",
586 vmw_fifo_have_3d(dev_priv
) ?
589 /* We might be done with the fifo now */
590 if (dev_priv
->enable_fb
) {
591 vmw_fb_init(dev_priv
);
593 vmw_kms_restore_vga(dev_priv
);
594 vmw_3d_resource_dec(dev_priv
, true);
597 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
) {
598 ret
= drm_irq_install(dev
);
599 if (unlikely(ret
!= 0)) {
600 DRM_ERROR("Failed installing irq: %d\n", ret
);
605 dev_priv
->pm_nb
.notifier_call
= vmwgfx_pm_notifier
;
606 register_pm_notifier(&dev_priv
->pm_nb
);
611 if (dev_priv
->enable_fb
)
612 vmw_fb_close(dev_priv
);
613 vmw_overlay_close(dev_priv
);
614 vmw_kms_close(dev_priv
);
616 /* We still have a 3D resource reference held */
617 if (dev_priv
->enable_fb
) {
618 vmw_kms_restore_vga(dev_priv
);
619 vmw_3d_resource_dec(dev_priv
, false);
622 vmw_fence_manager_takedown(dev_priv
->fman
);
624 if (dev_priv
->stealth
)
625 pci_release_region(dev
->pdev
, 2);
627 pci_release_regions(dev
->pdev
);
629 ttm_object_device_release(&dev_priv
->tdev
);
631 iounmap(dev_priv
->mmio_virt
);
633 drm_mtrr_del(dev_priv
->mmio_mtrr
, dev_priv
->mmio_start
,
634 dev_priv
->mmio_size
, DRM_MTRR_WC
);
635 if (dev_priv
->has_gmr
)
636 (void) ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_GMR
);
637 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
639 (void)ttm_bo_device_release(&dev_priv
->bdev
);
641 vmw_ttm_global_release(dev_priv
);
643 idr_destroy(&dev_priv
->surface_idr
);
644 idr_destroy(&dev_priv
->context_idr
);
645 idr_destroy(&dev_priv
->stream_idr
);
650 static int vmw_driver_unload(struct drm_device
*dev
)
652 struct vmw_private
*dev_priv
= vmw_priv(dev
);
654 unregister_pm_notifier(&dev_priv
->pm_nb
);
656 if (dev_priv
->ctx
.cmd_bounce
)
657 vfree(dev_priv
->ctx
.cmd_bounce
);
658 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
)
659 drm_irq_uninstall(dev_priv
->dev
);
660 if (dev_priv
->enable_fb
) {
661 vmw_fb_close(dev_priv
);
662 vmw_kms_restore_vga(dev_priv
);
663 vmw_3d_resource_dec(dev_priv
, false);
665 vmw_kms_close(dev_priv
);
666 vmw_overlay_close(dev_priv
);
667 vmw_fence_manager_takedown(dev_priv
->fman
);
668 if (dev_priv
->stealth
)
669 pci_release_region(dev
->pdev
, 2);
671 pci_release_regions(dev
->pdev
);
673 ttm_object_device_release(&dev_priv
->tdev
);
674 iounmap(dev_priv
->mmio_virt
);
675 drm_mtrr_del(dev_priv
->mmio_mtrr
, dev_priv
->mmio_start
,
676 dev_priv
->mmio_size
, DRM_MTRR_WC
);
677 if (dev_priv
->has_gmr
)
678 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_GMR
);
679 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
680 (void)ttm_bo_device_release(&dev_priv
->bdev
);
681 vmw_ttm_global_release(dev_priv
);
682 idr_destroy(&dev_priv
->surface_idr
);
683 idr_destroy(&dev_priv
->context_idr
);
684 idr_destroy(&dev_priv
->stream_idr
);
691 static void vmw_postclose(struct drm_device
*dev
,
692 struct drm_file
*file_priv
)
694 struct vmw_fpriv
*vmw_fp
;
696 vmw_fp
= vmw_fpriv(file_priv
);
697 ttm_object_file_release(&vmw_fp
->tfile
);
698 if (vmw_fp
->locked_master
)
699 drm_master_put(&vmw_fp
->locked_master
);
703 static int vmw_driver_open(struct drm_device
*dev
, struct drm_file
*file_priv
)
705 struct vmw_private
*dev_priv
= vmw_priv(dev
);
706 struct vmw_fpriv
*vmw_fp
;
709 vmw_fp
= kzalloc(sizeof(*vmw_fp
), GFP_KERNEL
);
710 if (unlikely(vmw_fp
== NULL
))
713 vmw_fp
->tfile
= ttm_object_file_init(dev_priv
->tdev
, 10);
714 if (unlikely(vmw_fp
->tfile
== NULL
))
717 file_priv
->driver_priv
= vmw_fp
;
719 if (unlikely(dev_priv
->bdev
.dev_mapping
== NULL
))
720 dev_priv
->bdev
.dev_mapping
=
721 file_priv
->filp
->f_path
.dentry
->d_inode
->i_mapping
;
730 static long vmw_unlocked_ioctl(struct file
*filp
, unsigned int cmd
,
733 struct drm_file
*file_priv
= filp
->private_data
;
734 struct drm_device
*dev
= file_priv
->minor
->dev
;
735 unsigned int nr
= DRM_IOCTL_NR(cmd
);
738 * Do extra checking on driver private ioctls.
741 if ((nr
>= DRM_COMMAND_BASE
) && (nr
< DRM_COMMAND_END
)
742 && (nr
< DRM_COMMAND_BASE
+ dev
->driver
->num_ioctls
)) {
743 struct drm_ioctl_desc
*ioctl
=
744 &vmw_ioctls
[nr
- DRM_COMMAND_BASE
];
746 if (unlikely(ioctl
->cmd_drv
!= cmd
)) {
747 DRM_ERROR("Invalid command format, ioctl %d\n",
748 nr
- DRM_COMMAND_BASE
);
753 return drm_ioctl(filp
, cmd
, arg
);
756 static int vmw_firstopen(struct drm_device
*dev
)
758 struct vmw_private
*dev_priv
= vmw_priv(dev
);
759 dev_priv
->is_opened
= true;
764 static void vmw_lastclose(struct drm_device
*dev
)
766 struct vmw_private
*dev_priv
= vmw_priv(dev
);
767 struct drm_crtc
*crtc
;
768 struct drm_mode_set set
;
772 * Do nothing on the lastclose call from drm_unload.
775 if (!dev_priv
->is_opened
)
778 dev_priv
->is_opened
= false;
783 set
.connectors
= NULL
;
784 set
.num_connectors
= 0;
786 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
788 ret
= crtc
->funcs
->set_config(&set
);
794 static void vmw_master_init(struct vmw_master
*vmaster
)
796 ttm_lock_init(&vmaster
->lock
);
797 INIT_LIST_HEAD(&vmaster
->fb_surf
);
798 mutex_init(&vmaster
->fb_surf_mutex
);
801 static int vmw_master_create(struct drm_device
*dev
,
802 struct drm_master
*master
)
804 struct vmw_master
*vmaster
;
806 vmaster
= kzalloc(sizeof(*vmaster
), GFP_KERNEL
);
807 if (unlikely(vmaster
== NULL
))
810 vmw_master_init(vmaster
);
811 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
812 master
->driver_priv
= vmaster
;
817 static void vmw_master_destroy(struct drm_device
*dev
,
818 struct drm_master
*master
)
820 struct vmw_master
*vmaster
= vmw_master(master
);
822 master
->driver_priv
= NULL
;
827 static int vmw_master_set(struct drm_device
*dev
,
828 struct drm_file
*file_priv
,
831 struct vmw_private
*dev_priv
= vmw_priv(dev
);
832 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
833 struct vmw_master
*active
= dev_priv
->active_master
;
834 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
837 if (!dev_priv
->enable_fb
) {
838 ret
= vmw_3d_resource_inc(dev_priv
, true);
839 if (unlikely(ret
!= 0))
841 vmw_kms_save_vga(dev_priv
);
842 mutex_lock(&dev_priv
->hw_mutex
);
843 vmw_write(dev_priv
, SVGA_REG_TRACES
, 0);
844 mutex_unlock(&dev_priv
->hw_mutex
);
848 BUG_ON(active
!= &dev_priv
->fbdev_master
);
849 ret
= ttm_vt_lock(&active
->lock
, false, vmw_fp
->tfile
);
850 if (unlikely(ret
!= 0))
851 goto out_no_active_lock
;
853 ttm_lock_set_kill(&active
->lock
, true, SIGTERM
);
854 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
855 if (unlikely(ret
!= 0)) {
856 DRM_ERROR("Unable to clean VRAM on "
860 dev_priv
->active_master
= NULL
;
863 ttm_lock_set_kill(&vmaster
->lock
, false, SIGTERM
);
865 ttm_vt_unlock(&vmaster
->lock
);
866 BUG_ON(vmw_fp
->locked_master
!= file_priv
->master
);
867 drm_master_put(&vmw_fp
->locked_master
);
870 dev_priv
->active_master
= vmaster
;
875 if (!dev_priv
->enable_fb
) {
876 mutex_lock(&dev_priv
->hw_mutex
);
877 vmw_write(dev_priv
, SVGA_REG_TRACES
, 1);
878 mutex_unlock(&dev_priv
->hw_mutex
);
879 vmw_kms_restore_vga(dev_priv
);
880 vmw_3d_resource_dec(dev_priv
, true);
885 static void vmw_master_drop(struct drm_device
*dev
,
886 struct drm_file
*file_priv
,
889 struct vmw_private
*dev_priv
= vmw_priv(dev
);
890 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
891 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
895 * Make sure the master doesn't disappear while we have
899 vmw_fp
->locked_master
= drm_master_get(file_priv
->master
);
900 ret
= ttm_vt_lock(&vmaster
->lock
, false, vmw_fp
->tfile
);
901 vmw_execbuf_release_pinned_bo(dev_priv
, false, 0);
903 if (unlikely((ret
!= 0))) {
904 DRM_ERROR("Unable to lock TTM at VT switch.\n");
905 drm_master_put(&vmw_fp
->locked_master
);
908 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
910 if (!dev_priv
->enable_fb
) {
911 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
912 if (unlikely(ret
!= 0))
913 DRM_ERROR("Unable to clean VRAM on master drop.\n");
914 mutex_lock(&dev_priv
->hw_mutex
);
915 vmw_write(dev_priv
, SVGA_REG_TRACES
, 1);
916 mutex_unlock(&dev_priv
->hw_mutex
);
917 vmw_kms_restore_vga(dev_priv
);
918 vmw_3d_resource_dec(dev_priv
, true);
921 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
922 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
923 ttm_vt_unlock(&dev_priv
->fbdev_master
.lock
);
925 if (dev_priv
->enable_fb
)
930 static void vmw_remove(struct pci_dev
*pdev
)
932 struct drm_device
*dev
= pci_get_drvdata(pdev
);
937 static int vmwgfx_pm_notifier(struct notifier_block
*nb
, unsigned long val
,
940 struct vmw_private
*dev_priv
=
941 container_of(nb
, struct vmw_private
, pm_nb
);
942 struct vmw_master
*vmaster
= dev_priv
->active_master
;
945 case PM_HIBERNATION_PREPARE
:
946 case PM_SUSPEND_PREPARE
:
947 ttm_suspend_lock(&vmaster
->lock
);
950 * This empties VRAM and unbinds all GMR bindings.
951 * Buffer contents is moved to swappable memory.
953 vmw_execbuf_release_pinned_bo(dev_priv
, false, 0);
954 ttm_bo_swapout_all(&dev_priv
->bdev
);
957 case PM_POST_HIBERNATION
:
958 case PM_POST_SUSPEND
:
959 case PM_POST_RESTORE
:
960 ttm_suspend_unlock(&vmaster
->lock
);
963 case PM_RESTORE_PREPARE
:
972 * These might not be needed with the virtual SVGA device.
975 static int vmw_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
977 struct drm_device
*dev
= pci_get_drvdata(pdev
);
978 struct vmw_private
*dev_priv
= vmw_priv(dev
);
980 if (dev_priv
->num_3d_resources
!= 0) {
981 DRM_INFO("Can't suspend or hibernate "
982 "while 3D resources are active.\n");
986 pci_save_state(pdev
);
987 pci_disable_device(pdev
);
988 pci_set_power_state(pdev
, PCI_D3hot
);
992 static int vmw_pci_resume(struct pci_dev
*pdev
)
994 pci_set_power_state(pdev
, PCI_D0
);
995 pci_restore_state(pdev
);
996 return pci_enable_device(pdev
);
999 static int vmw_pm_suspend(struct device
*kdev
)
1001 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1002 struct pm_message dummy
;
1006 return vmw_pci_suspend(pdev
, dummy
);
1009 static int vmw_pm_resume(struct device
*kdev
)
1011 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1013 return vmw_pci_resume(pdev
);
1016 static int vmw_pm_prepare(struct device
*kdev
)
1018 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1019 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1020 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1023 * Release 3d reference held by fbdev and potentially
1026 dev_priv
->suspended
= true;
1027 if (dev_priv
->enable_fb
)
1028 vmw_3d_resource_dec(dev_priv
, true);
1030 if (dev_priv
->num_3d_resources
!= 0) {
1032 DRM_INFO("Can't suspend or hibernate "
1033 "while 3D resources are active.\n");
1035 if (dev_priv
->enable_fb
)
1036 vmw_3d_resource_inc(dev_priv
, true);
1037 dev_priv
->suspended
= false;
1044 static void vmw_pm_complete(struct device
*kdev
)
1046 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1047 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1048 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1051 * Reclaim 3d reference held by fbdev and potentially
1054 if (dev_priv
->enable_fb
)
1055 vmw_3d_resource_inc(dev_priv
, false);
1057 dev_priv
->suspended
= false;
1060 static const struct dev_pm_ops vmw_pm_ops
= {
1061 .prepare
= vmw_pm_prepare
,
1062 .complete
= vmw_pm_complete
,
1063 .suspend
= vmw_pm_suspend
,
1064 .resume
= vmw_pm_resume
,
1067 static const struct file_operations vmwgfx_driver_fops
= {
1068 .owner
= THIS_MODULE
,
1070 .release
= drm_release
,
1071 .unlocked_ioctl
= vmw_unlocked_ioctl
,
1073 .poll
= vmw_fops_poll
,
1074 .read
= vmw_fops_read
,
1075 .fasync
= drm_fasync
,
1076 #if defined(CONFIG_COMPAT)
1077 .compat_ioctl
= drm_compat_ioctl
,
1079 .llseek
= noop_llseek
,
1082 static struct drm_driver driver
= {
1083 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_IRQ_SHARED
|
1085 .load
= vmw_driver_load
,
1086 .unload
= vmw_driver_unload
,
1087 .firstopen
= vmw_firstopen
,
1088 .lastclose
= vmw_lastclose
,
1089 .irq_preinstall
= vmw_irq_preinstall
,
1090 .irq_postinstall
= vmw_irq_postinstall
,
1091 .irq_uninstall
= vmw_irq_uninstall
,
1092 .irq_handler
= vmw_irq_handler
,
1093 .get_vblank_counter
= vmw_get_vblank_counter
,
1094 .enable_vblank
= vmw_enable_vblank
,
1095 .disable_vblank
= vmw_disable_vblank
,
1096 .reclaim_buffers_locked
= NULL
,
1097 .ioctls
= vmw_ioctls
,
1098 .num_ioctls
= DRM_ARRAY_SIZE(vmw_ioctls
),
1099 .dma_quiescent
= NULL
, /*vmw_dma_quiescent, */
1100 .master_create
= vmw_master_create
,
1101 .master_destroy
= vmw_master_destroy
,
1102 .master_set
= vmw_master_set
,
1103 .master_drop
= vmw_master_drop
,
1104 .open
= vmw_driver_open
,
1105 .postclose
= vmw_postclose
,
1106 .fops
= &vmwgfx_driver_fops
,
1107 .name
= VMWGFX_DRIVER_NAME
,
1108 .desc
= VMWGFX_DRIVER_DESC
,
1109 .date
= VMWGFX_DRIVER_DATE
,
1110 .major
= VMWGFX_DRIVER_MAJOR
,
1111 .minor
= VMWGFX_DRIVER_MINOR
,
1112 .patchlevel
= VMWGFX_DRIVER_PATCHLEVEL
1115 static struct pci_driver vmw_pci_driver
= {
1116 .name
= VMWGFX_DRIVER_NAME
,
1117 .id_table
= vmw_pci_id_list
,
1119 .remove
= vmw_remove
,
1125 static int vmw_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1127 return drm_get_pci_dev(pdev
, ent
, &driver
);
1130 static int __init
vmwgfx_init(void)
1133 ret
= drm_pci_init(&driver
, &vmw_pci_driver
);
1135 DRM_ERROR("Failed initializing DRM.\n");
1139 static void __exit
vmwgfx_exit(void)
1141 drm_pci_exit(&driver
, &vmw_pci_driver
);
1144 module_init(vmwgfx_init
);
1145 module_exit(vmwgfx_exit
);
1147 MODULE_AUTHOR("VMware Inc. and others");
1148 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1149 MODULE_LICENSE("GPL and additional rights");
1150 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR
) "."
1151 __stringify(VMWGFX_DRIVER_MINOR
) "."
1152 __stringify(VMWGFX_DRIVER_PATCHLEVEL
) "."