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 <drm/ttm/ttm_placement.h>
32 #include <drm/ttm/ttm_bo_driver.h>
33 #include <drm/ttm/ttm_object.h>
34 #include <drm/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
41 #define VMW_MIN_INITIAL_WIDTH 800
42 #define VMW_MIN_INITIAL_HEIGHT 600
46 * Fully encoded drm commands. Might move to vmw_drm.h
49 #define DRM_IOCTL_VMW_GET_PARAM \
50 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM, \
51 struct drm_vmw_getparam_arg)
52 #define DRM_IOCTL_VMW_ALLOC_DMABUF \
53 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF, \
54 union drm_vmw_alloc_dmabuf_arg)
55 #define DRM_IOCTL_VMW_UNREF_DMABUF \
56 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF, \
57 struct drm_vmw_unref_dmabuf_arg)
58 #define DRM_IOCTL_VMW_CURSOR_BYPASS \
59 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS, \
60 struct drm_vmw_cursor_bypass_arg)
62 #define DRM_IOCTL_VMW_CONTROL_STREAM \
63 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM, \
64 struct drm_vmw_control_stream_arg)
65 #define DRM_IOCTL_VMW_CLAIM_STREAM \
66 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
67 struct drm_vmw_stream_arg)
68 #define DRM_IOCTL_VMW_UNREF_STREAM \
69 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM, \
70 struct drm_vmw_stream_arg)
72 #define DRM_IOCTL_VMW_CREATE_CONTEXT \
73 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
74 struct drm_vmw_context_arg)
75 #define DRM_IOCTL_VMW_UNREF_CONTEXT \
76 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT, \
77 struct drm_vmw_context_arg)
78 #define DRM_IOCTL_VMW_CREATE_SURFACE \
79 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE, \
80 union drm_vmw_surface_create_arg)
81 #define DRM_IOCTL_VMW_UNREF_SURFACE \
82 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE, \
83 struct drm_vmw_surface_arg)
84 #define DRM_IOCTL_VMW_REF_SURFACE \
85 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE, \
86 union drm_vmw_surface_reference_arg)
87 #define DRM_IOCTL_VMW_EXECBUF \
88 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF, \
89 struct drm_vmw_execbuf_arg)
90 #define DRM_IOCTL_VMW_GET_3D_CAP \
91 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP, \
92 struct drm_vmw_get_3d_cap_arg)
93 #define DRM_IOCTL_VMW_FENCE_WAIT \
94 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT, \
95 struct drm_vmw_fence_wait_arg)
96 #define DRM_IOCTL_VMW_FENCE_SIGNALED \
97 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED, \
98 struct drm_vmw_fence_signaled_arg)
99 #define DRM_IOCTL_VMW_FENCE_UNREF \
100 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF, \
101 struct drm_vmw_fence_arg)
102 #define DRM_IOCTL_VMW_FENCE_EVENT \
103 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT, \
104 struct drm_vmw_fence_event_arg)
105 #define DRM_IOCTL_VMW_PRESENT \
106 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT, \
107 struct drm_vmw_present_arg)
108 #define DRM_IOCTL_VMW_PRESENT_READBACK \
109 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK, \
110 struct drm_vmw_present_readback_arg)
111 #define DRM_IOCTL_VMW_UPDATE_LAYOUT \
112 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT, \
113 struct drm_vmw_update_layout_arg)
116 * The core DRM version of this macro doesn't account for
120 #define VMW_IOCTL_DEF(ioctl, func, flags) \
121 [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
127 static const struct drm_ioctl_desc vmw_ioctls
[] = {
128 VMW_IOCTL_DEF(VMW_GET_PARAM
, vmw_getparam_ioctl
,
129 DRM_AUTH
| DRM_UNLOCKED
),
130 VMW_IOCTL_DEF(VMW_ALLOC_DMABUF
, vmw_dmabuf_alloc_ioctl
,
131 DRM_AUTH
| DRM_UNLOCKED
),
132 VMW_IOCTL_DEF(VMW_UNREF_DMABUF
, vmw_dmabuf_unref_ioctl
,
133 DRM_AUTH
| DRM_UNLOCKED
),
134 VMW_IOCTL_DEF(VMW_CURSOR_BYPASS
,
135 vmw_kms_cursor_bypass_ioctl
,
136 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
138 VMW_IOCTL_DEF(VMW_CONTROL_STREAM
, vmw_overlay_ioctl
,
139 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
140 VMW_IOCTL_DEF(VMW_CLAIM_STREAM
, vmw_stream_claim_ioctl
,
141 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
142 VMW_IOCTL_DEF(VMW_UNREF_STREAM
, vmw_stream_unref_ioctl
,
143 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
145 VMW_IOCTL_DEF(VMW_CREATE_CONTEXT
, vmw_context_define_ioctl
,
146 DRM_AUTH
| DRM_UNLOCKED
),
147 VMW_IOCTL_DEF(VMW_UNREF_CONTEXT
, vmw_context_destroy_ioctl
,
148 DRM_AUTH
| DRM_UNLOCKED
),
149 VMW_IOCTL_DEF(VMW_CREATE_SURFACE
, vmw_surface_define_ioctl
,
150 DRM_AUTH
| DRM_UNLOCKED
),
151 VMW_IOCTL_DEF(VMW_UNREF_SURFACE
, vmw_surface_destroy_ioctl
,
152 DRM_AUTH
| DRM_UNLOCKED
),
153 VMW_IOCTL_DEF(VMW_REF_SURFACE
, vmw_surface_reference_ioctl
,
154 DRM_AUTH
| DRM_UNLOCKED
),
155 VMW_IOCTL_DEF(VMW_EXECBUF
, vmw_execbuf_ioctl
,
156 DRM_AUTH
| DRM_UNLOCKED
),
157 VMW_IOCTL_DEF(VMW_FENCE_WAIT
, vmw_fence_obj_wait_ioctl
,
158 DRM_AUTH
| DRM_UNLOCKED
),
159 VMW_IOCTL_DEF(VMW_FENCE_SIGNALED
,
160 vmw_fence_obj_signaled_ioctl
,
161 DRM_AUTH
| DRM_UNLOCKED
),
162 VMW_IOCTL_DEF(VMW_FENCE_UNREF
, vmw_fence_obj_unref_ioctl
,
163 DRM_AUTH
| DRM_UNLOCKED
),
164 VMW_IOCTL_DEF(VMW_FENCE_EVENT
,
165 vmw_fence_event_ioctl
,
166 DRM_AUTH
| DRM_UNLOCKED
),
167 VMW_IOCTL_DEF(VMW_GET_3D_CAP
, vmw_get_cap_3d_ioctl
,
168 DRM_AUTH
| DRM_UNLOCKED
),
170 /* these allow direct access to the framebuffers mark as master only */
171 VMW_IOCTL_DEF(VMW_PRESENT
, vmw_present_ioctl
,
172 DRM_MASTER
| DRM_AUTH
| DRM_UNLOCKED
),
173 VMW_IOCTL_DEF(VMW_PRESENT_READBACK
,
174 vmw_present_readback_ioctl
,
175 DRM_MASTER
| DRM_AUTH
| DRM_UNLOCKED
),
176 VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT
,
177 vmw_kms_update_layout_ioctl
,
178 DRM_MASTER
| DRM_UNLOCKED
),
181 static struct pci_device_id vmw_pci_id_list
[] = {
182 {0x15ad, 0x0405, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, VMWGFX_CHIP_SVGAII
},
185 MODULE_DEVICE_TABLE(pci
, vmw_pci_id_list
);
187 static int enable_fbdev
= IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON
);
189 static int vmw_probe(struct pci_dev
*, const struct pci_device_id
*);
190 static void vmw_master_init(struct vmw_master
*);
191 static int vmwgfx_pm_notifier(struct notifier_block
*nb
, unsigned long val
,
194 MODULE_PARM_DESC(enable_fbdev
, "Enable vmwgfx fbdev");
195 module_param_named(enable_fbdev
, enable_fbdev
, int, 0600);
197 static void vmw_print_capabilities(uint32_t capabilities
)
199 DRM_INFO("Capabilities:\n");
200 if (capabilities
& SVGA_CAP_RECT_COPY
)
201 DRM_INFO(" Rect copy.\n");
202 if (capabilities
& SVGA_CAP_CURSOR
)
203 DRM_INFO(" Cursor.\n");
204 if (capabilities
& SVGA_CAP_CURSOR_BYPASS
)
205 DRM_INFO(" Cursor bypass.\n");
206 if (capabilities
& SVGA_CAP_CURSOR_BYPASS_2
)
207 DRM_INFO(" Cursor bypass 2.\n");
208 if (capabilities
& SVGA_CAP_8BIT_EMULATION
)
209 DRM_INFO(" 8bit emulation.\n");
210 if (capabilities
& SVGA_CAP_ALPHA_CURSOR
)
211 DRM_INFO(" Alpha cursor.\n");
212 if (capabilities
& SVGA_CAP_3D
)
214 if (capabilities
& SVGA_CAP_EXTENDED_FIFO
)
215 DRM_INFO(" Extended Fifo.\n");
216 if (capabilities
& SVGA_CAP_MULTIMON
)
217 DRM_INFO(" Multimon.\n");
218 if (capabilities
& SVGA_CAP_PITCHLOCK
)
219 DRM_INFO(" Pitchlock.\n");
220 if (capabilities
& SVGA_CAP_IRQMASK
)
221 DRM_INFO(" Irq mask.\n");
222 if (capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
)
223 DRM_INFO(" Display Topology.\n");
224 if (capabilities
& SVGA_CAP_GMR
)
226 if (capabilities
& SVGA_CAP_TRACES
)
227 DRM_INFO(" Traces.\n");
228 if (capabilities
& SVGA_CAP_GMR2
)
229 DRM_INFO(" GMR2.\n");
230 if (capabilities
& SVGA_CAP_SCREEN_OBJECT_2
)
231 DRM_INFO(" Screen Object 2.\n");
236 * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
237 * the start of a buffer object.
239 * @dev_priv: The device private structure.
241 * This function will idle the buffer using an uninterruptible wait, then
242 * map the first page and initialize a pending occlusion query result structure,
243 * Finally it will unmap the buffer.
245 * TODO: Since we're only mapping a single page, we should optimize the map
246 * to use kmap_atomic / iomap_atomic.
248 static void vmw_dummy_query_bo_prepare(struct vmw_private
*dev_priv
)
250 struct ttm_bo_kmap_obj map
;
251 volatile SVGA3dQueryResult
*result
;
254 struct ttm_bo_device
*bdev
= &dev_priv
->bdev
;
255 struct ttm_buffer_object
*bo
= dev_priv
->dummy_query_bo
;
257 ttm_bo_reserve(bo
, false, false, false, 0);
258 spin_lock(&bdev
->fence_lock
);
259 ret
= ttm_bo_wait(bo
, false, false, false);
260 spin_unlock(&bdev
->fence_lock
);
261 if (unlikely(ret
!= 0))
262 (void) vmw_fallback_wait(dev_priv
, false, true, 0, false,
265 ret
= ttm_bo_kmap(bo
, 0, 1, &map
);
266 if (likely(ret
== 0)) {
267 result
= ttm_kmap_obj_virtual(&map
, &dummy
);
268 result
->totalSize
= sizeof(*result
);
269 result
->state
= SVGA3D_QUERYSTATE_PENDING
;
270 result
->result32
= 0xff;
273 DRM_ERROR("Dummy query buffer map failed.\n");
274 ttm_bo_unreserve(bo
);
279 * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
281 * @dev_priv: A device private structure.
283 * This function creates a small buffer object that holds the query
284 * result for dummy queries emitted as query barriers.
285 * No interruptible waits are done within this function.
287 * Returns an error if bo creation fails.
289 static int vmw_dummy_query_bo_create(struct vmw_private
*dev_priv
)
291 return ttm_bo_create(&dev_priv
->bdev
,
294 &vmw_vram_sys_placement
,
296 &dev_priv
->dummy_query_bo
);
300 static int vmw_request_device(struct vmw_private
*dev_priv
)
304 ret
= vmw_fifo_init(dev_priv
, &dev_priv
->fifo
);
305 if (unlikely(ret
!= 0)) {
306 DRM_ERROR("Unable to initialize FIFO.\n");
309 vmw_fence_fifo_up(dev_priv
->fman
);
310 ret
= vmw_dummy_query_bo_create(dev_priv
);
311 if (unlikely(ret
!= 0))
312 goto out_no_query_bo
;
313 vmw_dummy_query_bo_prepare(dev_priv
);
318 vmw_fence_fifo_down(dev_priv
->fman
);
319 vmw_fifo_release(dev_priv
, &dev_priv
->fifo
);
323 static void vmw_release_device(struct vmw_private
*dev_priv
)
326 * Previous destructions should've released
330 BUG_ON(dev_priv
->pinned_bo
!= NULL
);
332 ttm_bo_unref(&dev_priv
->dummy_query_bo
);
333 vmw_fence_fifo_down(dev_priv
->fman
);
334 vmw_fifo_release(dev_priv
, &dev_priv
->fifo
);
338 * Increase the 3d resource refcount.
339 * If the count was prevously zero, initialize the fifo, switching to svga
340 * mode. Note that the master holds a ref as well, and may request an
341 * explicit switch to svga mode if fb is not running, using @unhide_svga.
343 int vmw_3d_resource_inc(struct vmw_private
*dev_priv
,
348 mutex_lock(&dev_priv
->release_mutex
);
349 if (unlikely(dev_priv
->num_3d_resources
++ == 0)) {
350 ret
= vmw_request_device(dev_priv
);
351 if (unlikely(ret
!= 0))
352 --dev_priv
->num_3d_resources
;
353 } else if (unhide_svga
) {
354 mutex_lock(&dev_priv
->hw_mutex
);
355 vmw_write(dev_priv
, SVGA_REG_ENABLE
,
356 vmw_read(dev_priv
, SVGA_REG_ENABLE
) &
357 ~SVGA_REG_ENABLE_HIDE
);
358 mutex_unlock(&dev_priv
->hw_mutex
);
361 mutex_unlock(&dev_priv
->release_mutex
);
366 * Decrease the 3d resource refcount.
367 * If the count reaches zero, disable the fifo, switching to vga mode.
368 * Note that the master holds a refcount as well, and may request an
369 * explicit switch to vga mode when it releases its refcount to account
370 * for the situation of an X server vt switch to VGA with 3d resources
373 void vmw_3d_resource_dec(struct vmw_private
*dev_priv
,
378 mutex_lock(&dev_priv
->release_mutex
);
379 if (unlikely(--dev_priv
->num_3d_resources
== 0))
380 vmw_release_device(dev_priv
);
381 else if (hide_svga
) {
382 mutex_lock(&dev_priv
->hw_mutex
);
383 vmw_write(dev_priv
, SVGA_REG_ENABLE
,
384 vmw_read(dev_priv
, SVGA_REG_ENABLE
) |
385 SVGA_REG_ENABLE_HIDE
);
386 mutex_unlock(&dev_priv
->hw_mutex
);
389 n3d
= (int32_t) dev_priv
->num_3d_resources
;
390 mutex_unlock(&dev_priv
->release_mutex
);
396 * Sets the initial_[width|height] fields on the given vmw_private.
398 * It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then
399 * clamping the value to fb_max_[width|height] fields and the
400 * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
401 * If the values appear to be invalid, set them to
402 * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
404 static void vmw_get_initial_size(struct vmw_private
*dev_priv
)
409 width
= vmw_read(dev_priv
, SVGA_REG_WIDTH
);
410 height
= vmw_read(dev_priv
, SVGA_REG_HEIGHT
);
412 width
= max_t(uint32_t, width
, VMW_MIN_INITIAL_WIDTH
);
413 height
= max_t(uint32_t, height
, VMW_MIN_INITIAL_HEIGHT
);
415 if (width
> dev_priv
->fb_max_width
||
416 height
> dev_priv
->fb_max_height
) {
419 * This is a host error and shouldn't occur.
422 width
= VMW_MIN_INITIAL_WIDTH
;
423 height
= VMW_MIN_INITIAL_HEIGHT
;
426 dev_priv
->initial_width
= width
;
427 dev_priv
->initial_height
= height
;
430 static int vmw_driver_load(struct drm_device
*dev
, unsigned long chipset
)
432 struct vmw_private
*dev_priv
;
437 dev_priv
= kzalloc(sizeof(*dev_priv
), GFP_KERNEL
);
438 if (unlikely(dev_priv
== NULL
)) {
439 DRM_ERROR("Failed allocating a device private struct.\n");
443 pci_set_master(dev
->pdev
);
446 dev_priv
->vmw_chipset
= chipset
;
447 dev_priv
->last_read_seqno
= (uint32_t) -100;
448 mutex_init(&dev_priv
->hw_mutex
);
449 mutex_init(&dev_priv
->cmdbuf_mutex
);
450 mutex_init(&dev_priv
->release_mutex
);
451 rwlock_init(&dev_priv
->resource_lock
);
453 for (i
= vmw_res_context
; i
< vmw_res_max
; ++i
) {
454 idr_init(&dev_priv
->res_idr
[i
]);
455 INIT_LIST_HEAD(&dev_priv
->res_lru
[i
]);
458 mutex_init(&dev_priv
->init_mutex
);
459 init_waitqueue_head(&dev_priv
->fence_queue
);
460 init_waitqueue_head(&dev_priv
->fifo_queue
);
461 dev_priv
->fence_queue_waiters
= 0;
462 atomic_set(&dev_priv
->fifo_queue_waiters
, 0);
464 dev_priv
->used_memory_size
= 0;
466 dev_priv
->io_start
= pci_resource_start(dev
->pdev
, 0);
467 dev_priv
->vram_start
= pci_resource_start(dev
->pdev
, 1);
468 dev_priv
->mmio_start
= pci_resource_start(dev
->pdev
, 2);
470 dev_priv
->enable_fb
= enable_fbdev
;
472 mutex_lock(&dev_priv
->hw_mutex
);
474 vmw_write(dev_priv
, SVGA_REG_ID
, SVGA_ID_2
);
475 svga_id
= vmw_read(dev_priv
, SVGA_REG_ID
);
476 if (svga_id
!= SVGA_ID_2
) {
478 DRM_ERROR("Unsupported SVGA ID 0x%x\n", svga_id
);
479 mutex_unlock(&dev_priv
->hw_mutex
);
483 dev_priv
->capabilities
= vmw_read(dev_priv
, SVGA_REG_CAPABILITIES
);
485 dev_priv
->vram_size
= vmw_read(dev_priv
, SVGA_REG_VRAM_SIZE
);
486 dev_priv
->mmio_size
= vmw_read(dev_priv
, SVGA_REG_MEM_SIZE
);
487 dev_priv
->fb_max_width
= vmw_read(dev_priv
, SVGA_REG_MAX_WIDTH
);
488 dev_priv
->fb_max_height
= vmw_read(dev_priv
, SVGA_REG_MAX_HEIGHT
);
490 vmw_get_initial_size(dev_priv
);
492 if (dev_priv
->capabilities
& SVGA_CAP_GMR
) {
493 dev_priv
->max_gmr_descriptors
=
495 SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH
);
496 dev_priv
->max_gmr_ids
=
497 vmw_read(dev_priv
, SVGA_REG_GMR_MAX_IDS
);
499 if (dev_priv
->capabilities
& SVGA_CAP_GMR2
) {
500 dev_priv
->max_gmr_pages
=
501 vmw_read(dev_priv
, SVGA_REG_GMRS_MAX_PAGES
);
502 dev_priv
->memory_size
=
503 vmw_read(dev_priv
, SVGA_REG_MEMORY_SIZE
);
504 dev_priv
->memory_size
-= dev_priv
->vram_size
;
507 * An arbitrary limit of 512MiB on surface
508 * memory. But all HWV8 hardware supports GMR2.
510 dev_priv
->memory_size
= 512*1024*1024;
513 mutex_unlock(&dev_priv
->hw_mutex
);
515 vmw_print_capabilities(dev_priv
->capabilities
);
517 if (dev_priv
->capabilities
& SVGA_CAP_GMR
) {
518 DRM_INFO("Max GMR ids is %u\n",
519 (unsigned)dev_priv
->max_gmr_ids
);
520 DRM_INFO("Max GMR descriptors is %u\n",
521 (unsigned)dev_priv
->max_gmr_descriptors
);
523 if (dev_priv
->capabilities
& SVGA_CAP_GMR2
) {
524 DRM_INFO("Max number of GMR pages is %u\n",
525 (unsigned)dev_priv
->max_gmr_pages
);
526 DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
527 (unsigned)dev_priv
->memory_size
/ 1024);
529 DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
530 dev_priv
->vram_start
, dev_priv
->vram_size
/ 1024);
531 DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
532 dev_priv
->mmio_start
, dev_priv
->mmio_size
/ 1024);
534 ret
= vmw_ttm_global_init(dev_priv
);
535 if (unlikely(ret
!= 0))
539 vmw_master_init(&dev_priv
->fbdev_master
);
540 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
541 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
544 ret
= ttm_bo_device_init(&dev_priv
->bdev
,
545 dev_priv
->bo_global_ref
.ref
.object
,
546 &vmw_bo_driver
, VMWGFX_FILE_PAGE_OFFSET
,
548 if (unlikely(ret
!= 0)) {
549 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
553 ret
= ttm_bo_init_mm(&dev_priv
->bdev
, TTM_PL_VRAM
,
554 (dev_priv
->vram_size
>> PAGE_SHIFT
));
555 if (unlikely(ret
!= 0)) {
556 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
560 dev_priv
->has_gmr
= true;
561 if (ttm_bo_init_mm(&dev_priv
->bdev
, VMW_PL_GMR
,
562 dev_priv
->max_gmr_ids
) != 0) {
563 DRM_INFO("No GMR memory available. "
564 "Graphics memory resources are very limited.\n");
565 dev_priv
->has_gmr
= false;
568 dev_priv
->mmio_mtrr
= arch_phys_wc_add(dev_priv
->mmio_start
,
569 dev_priv
->mmio_size
);
571 dev_priv
->mmio_virt
= ioremap_wc(dev_priv
->mmio_start
,
572 dev_priv
->mmio_size
);
574 if (unlikely(dev_priv
->mmio_virt
== NULL
)) {
576 DRM_ERROR("Failed mapping MMIO.\n");
580 /* Need mmio memory to check for fifo pitchlock cap. */
581 if (!(dev_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
) &&
582 !(dev_priv
->capabilities
& SVGA_CAP_PITCHLOCK
) &&
583 !vmw_fifo_have_pitchlock(dev_priv
)) {
585 DRM_ERROR("Hardware has no pitchlock\n");
589 dev_priv
->tdev
= ttm_object_device_init
590 (dev_priv
->mem_global_ref
.object
, 12);
592 if (unlikely(dev_priv
->tdev
== NULL
)) {
593 DRM_ERROR("Unable to initialize TTM object management.\n");
598 dev
->dev_private
= dev_priv
;
600 ret
= pci_request_regions(dev
->pdev
, "vmwgfx probe");
601 dev_priv
->stealth
= (ret
!= 0);
602 if (dev_priv
->stealth
) {
604 * Request at least the mmio PCI resource.
607 DRM_INFO("It appears like vesafb is loaded. "
608 "Ignore above error if any.\n");
609 ret
= pci_request_region(dev
->pdev
, 2, "vmwgfx stealth probe");
610 if (unlikely(ret
!= 0)) {
611 DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
616 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
) {
617 ret
= drm_irq_install(dev
);
619 DRM_ERROR("Failed installing irq: %d\n", ret
);
624 dev_priv
->fman
= vmw_fence_manager_init(dev_priv
);
625 if (unlikely(dev_priv
->fman
== NULL
)) {
630 vmw_kms_save_vga(dev_priv
);
632 /* Start kms and overlay systems, needs fifo. */
633 ret
= vmw_kms_init(dev_priv
);
634 if (unlikely(ret
!= 0))
636 vmw_overlay_init(dev_priv
);
638 if (dev_priv
->enable_fb
) {
639 ret
= vmw_3d_resource_inc(dev_priv
, true);
640 if (unlikely(ret
!= 0))
642 vmw_fb_init(dev_priv
);
645 dev_priv
->pm_nb
.notifier_call
= vmwgfx_pm_notifier
;
646 register_pm_notifier(&dev_priv
->pm_nb
);
651 vmw_overlay_close(dev_priv
);
652 vmw_kms_close(dev_priv
);
654 vmw_kms_restore_vga(dev_priv
);
655 vmw_fence_manager_takedown(dev_priv
->fman
);
657 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
)
658 drm_irq_uninstall(dev_priv
->dev
);
660 if (dev_priv
->stealth
)
661 pci_release_region(dev
->pdev
, 2);
663 pci_release_regions(dev
->pdev
);
665 ttm_object_device_release(&dev_priv
->tdev
);
667 iounmap(dev_priv
->mmio_virt
);
669 arch_phys_wc_del(dev_priv
->mmio_mtrr
);
670 if (dev_priv
->has_gmr
)
671 (void) ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_GMR
);
672 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
674 (void)ttm_bo_device_release(&dev_priv
->bdev
);
676 vmw_ttm_global_release(dev_priv
);
678 for (i
= vmw_res_context
; i
< vmw_res_max
; ++i
)
679 idr_destroy(&dev_priv
->res_idr
[i
]);
685 static int vmw_driver_unload(struct drm_device
*dev
)
687 struct vmw_private
*dev_priv
= vmw_priv(dev
);
690 unregister_pm_notifier(&dev_priv
->pm_nb
);
692 if (dev_priv
->ctx
.res_ht_initialized
)
693 drm_ht_remove(&dev_priv
->ctx
.res_ht
);
694 if (dev_priv
->ctx
.cmd_bounce
)
695 vfree(dev_priv
->ctx
.cmd_bounce
);
696 if (dev_priv
->enable_fb
) {
697 vmw_fb_close(dev_priv
);
698 vmw_kms_restore_vga(dev_priv
);
699 vmw_3d_resource_dec(dev_priv
, false);
701 vmw_kms_close(dev_priv
);
702 vmw_overlay_close(dev_priv
);
703 vmw_fence_manager_takedown(dev_priv
->fman
);
704 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
)
705 drm_irq_uninstall(dev_priv
->dev
);
706 if (dev_priv
->stealth
)
707 pci_release_region(dev
->pdev
, 2);
709 pci_release_regions(dev
->pdev
);
711 ttm_object_device_release(&dev_priv
->tdev
);
712 iounmap(dev_priv
->mmio_virt
);
713 arch_phys_wc_del(dev_priv
->mmio_mtrr
);
714 if (dev_priv
->has_gmr
)
715 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_GMR
);
716 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
717 (void)ttm_bo_device_release(&dev_priv
->bdev
);
718 vmw_ttm_global_release(dev_priv
);
720 for (i
= vmw_res_context
; i
< vmw_res_max
; ++i
)
721 idr_destroy(&dev_priv
->res_idr
[i
]);
728 static void vmw_preclose(struct drm_device
*dev
,
729 struct drm_file
*file_priv
)
731 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
732 struct vmw_private
*dev_priv
= vmw_priv(dev
);
734 vmw_event_fence_fpriv_gone(dev_priv
->fman
, &vmw_fp
->fence_events
);
737 static void vmw_postclose(struct drm_device
*dev
,
738 struct drm_file
*file_priv
)
740 struct vmw_fpriv
*vmw_fp
;
742 vmw_fp
= vmw_fpriv(file_priv
);
743 ttm_object_file_release(&vmw_fp
->tfile
);
744 if (vmw_fp
->locked_master
)
745 drm_master_put(&vmw_fp
->locked_master
);
749 static int vmw_driver_open(struct drm_device
*dev
, struct drm_file
*file_priv
)
751 struct vmw_private
*dev_priv
= vmw_priv(dev
);
752 struct vmw_fpriv
*vmw_fp
;
755 vmw_fp
= kzalloc(sizeof(*vmw_fp
), GFP_KERNEL
);
756 if (unlikely(vmw_fp
== NULL
))
759 INIT_LIST_HEAD(&vmw_fp
->fence_events
);
760 vmw_fp
->tfile
= ttm_object_file_init(dev_priv
->tdev
, 10);
761 if (unlikely(vmw_fp
->tfile
== NULL
))
764 file_priv
->driver_priv
= vmw_fp
;
765 dev_priv
->bdev
.dev_mapping
= dev
->dev_mapping
;
774 static long vmw_unlocked_ioctl(struct file
*filp
, unsigned int cmd
,
777 struct drm_file
*file_priv
= filp
->private_data
;
778 struct drm_device
*dev
= file_priv
->minor
->dev
;
779 unsigned int nr
= DRM_IOCTL_NR(cmd
);
782 * Do extra checking on driver private ioctls.
785 if ((nr
>= DRM_COMMAND_BASE
) && (nr
< DRM_COMMAND_END
)
786 && (nr
< DRM_COMMAND_BASE
+ dev
->driver
->num_ioctls
)) {
787 const struct drm_ioctl_desc
*ioctl
=
788 &vmw_ioctls
[nr
- DRM_COMMAND_BASE
];
790 if (unlikely(ioctl
->cmd_drv
!= cmd
)) {
791 DRM_ERROR("Invalid command format, ioctl %d\n",
792 nr
- DRM_COMMAND_BASE
);
797 return drm_ioctl(filp
, cmd
, arg
);
800 static void vmw_lastclose(struct drm_device
*dev
)
802 struct drm_crtc
*crtc
;
803 struct drm_mode_set set
;
810 set
.connectors
= NULL
;
811 set
.num_connectors
= 0;
813 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
815 ret
= drm_mode_set_config_internal(&set
);
821 static void vmw_master_init(struct vmw_master
*vmaster
)
823 ttm_lock_init(&vmaster
->lock
);
824 INIT_LIST_HEAD(&vmaster
->fb_surf
);
825 mutex_init(&vmaster
->fb_surf_mutex
);
828 static int vmw_master_create(struct drm_device
*dev
,
829 struct drm_master
*master
)
831 struct vmw_master
*vmaster
;
833 vmaster
= kzalloc(sizeof(*vmaster
), GFP_KERNEL
);
834 if (unlikely(vmaster
== NULL
))
837 vmw_master_init(vmaster
);
838 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
839 master
->driver_priv
= vmaster
;
844 static void vmw_master_destroy(struct drm_device
*dev
,
845 struct drm_master
*master
)
847 struct vmw_master
*vmaster
= vmw_master(master
);
849 master
->driver_priv
= NULL
;
854 static int vmw_master_set(struct drm_device
*dev
,
855 struct drm_file
*file_priv
,
858 struct vmw_private
*dev_priv
= vmw_priv(dev
);
859 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
860 struct vmw_master
*active
= dev_priv
->active_master
;
861 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
864 if (!dev_priv
->enable_fb
) {
865 ret
= vmw_3d_resource_inc(dev_priv
, true);
866 if (unlikely(ret
!= 0))
868 vmw_kms_save_vga(dev_priv
);
869 mutex_lock(&dev_priv
->hw_mutex
);
870 vmw_write(dev_priv
, SVGA_REG_TRACES
, 0);
871 mutex_unlock(&dev_priv
->hw_mutex
);
875 BUG_ON(active
!= &dev_priv
->fbdev_master
);
876 ret
= ttm_vt_lock(&active
->lock
, false, vmw_fp
->tfile
);
877 if (unlikely(ret
!= 0))
878 goto out_no_active_lock
;
880 ttm_lock_set_kill(&active
->lock
, true, SIGTERM
);
881 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
882 if (unlikely(ret
!= 0)) {
883 DRM_ERROR("Unable to clean VRAM on "
887 dev_priv
->active_master
= NULL
;
890 ttm_lock_set_kill(&vmaster
->lock
, false, SIGTERM
);
892 ttm_vt_unlock(&vmaster
->lock
);
893 BUG_ON(vmw_fp
->locked_master
!= file_priv
->master
);
894 drm_master_put(&vmw_fp
->locked_master
);
897 dev_priv
->active_master
= vmaster
;
902 if (!dev_priv
->enable_fb
) {
903 vmw_kms_restore_vga(dev_priv
);
904 vmw_3d_resource_dec(dev_priv
, true);
905 mutex_lock(&dev_priv
->hw_mutex
);
906 vmw_write(dev_priv
, SVGA_REG_TRACES
, 1);
907 mutex_unlock(&dev_priv
->hw_mutex
);
912 static void vmw_master_drop(struct drm_device
*dev
,
913 struct drm_file
*file_priv
,
916 struct vmw_private
*dev_priv
= vmw_priv(dev
);
917 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
918 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
922 * Make sure the master doesn't disappear while we have
926 vmw_fp
->locked_master
= drm_master_get(file_priv
->master
);
927 ret
= ttm_vt_lock(&vmaster
->lock
, false, vmw_fp
->tfile
);
928 vmw_execbuf_release_pinned_bo(dev_priv
);
930 if (unlikely((ret
!= 0))) {
931 DRM_ERROR("Unable to lock TTM at VT switch.\n");
932 drm_master_put(&vmw_fp
->locked_master
);
935 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
937 if (!dev_priv
->enable_fb
) {
938 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
939 if (unlikely(ret
!= 0))
940 DRM_ERROR("Unable to clean VRAM on master drop.\n");
941 vmw_kms_restore_vga(dev_priv
);
942 vmw_3d_resource_dec(dev_priv
, true);
943 mutex_lock(&dev_priv
->hw_mutex
);
944 vmw_write(dev_priv
, SVGA_REG_TRACES
, 1);
945 mutex_unlock(&dev_priv
->hw_mutex
);
948 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
949 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
950 ttm_vt_unlock(&dev_priv
->fbdev_master
.lock
);
952 if (dev_priv
->enable_fb
)
957 static void vmw_remove(struct pci_dev
*pdev
)
959 struct drm_device
*dev
= pci_get_drvdata(pdev
);
964 static int vmwgfx_pm_notifier(struct notifier_block
*nb
, unsigned long val
,
967 struct vmw_private
*dev_priv
=
968 container_of(nb
, struct vmw_private
, pm_nb
);
969 struct vmw_master
*vmaster
= dev_priv
->active_master
;
972 case PM_HIBERNATION_PREPARE
:
973 case PM_SUSPEND_PREPARE
:
974 ttm_suspend_lock(&vmaster
->lock
);
977 * This empties VRAM and unbinds all GMR bindings.
978 * Buffer contents is moved to swappable memory.
980 vmw_execbuf_release_pinned_bo(dev_priv
);
981 vmw_resource_evict_all(dev_priv
);
982 ttm_bo_swapout_all(&dev_priv
->bdev
);
985 case PM_POST_HIBERNATION
:
986 case PM_POST_SUSPEND
:
987 case PM_POST_RESTORE
:
988 ttm_suspend_unlock(&vmaster
->lock
);
991 case PM_RESTORE_PREPARE
:
1000 * These might not be needed with the virtual SVGA device.
1003 static int vmw_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1005 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1006 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1008 if (dev_priv
->num_3d_resources
!= 0) {
1009 DRM_INFO("Can't suspend or hibernate "
1010 "while 3D resources are active.\n");
1014 pci_save_state(pdev
);
1015 pci_disable_device(pdev
);
1016 pci_set_power_state(pdev
, PCI_D3hot
);
1020 static int vmw_pci_resume(struct pci_dev
*pdev
)
1022 pci_set_power_state(pdev
, PCI_D0
);
1023 pci_restore_state(pdev
);
1024 return pci_enable_device(pdev
);
1027 static int vmw_pm_suspend(struct device
*kdev
)
1029 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1030 struct pm_message dummy
;
1034 return vmw_pci_suspend(pdev
, dummy
);
1037 static int vmw_pm_resume(struct device
*kdev
)
1039 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1041 return vmw_pci_resume(pdev
);
1044 static int vmw_pm_prepare(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 * Release 3d reference held by fbdev and potentially
1054 dev_priv
->suspended
= true;
1055 if (dev_priv
->enable_fb
)
1056 vmw_3d_resource_dec(dev_priv
, true);
1058 if (dev_priv
->num_3d_resources
!= 0) {
1060 DRM_INFO("Can't suspend or hibernate "
1061 "while 3D resources are active.\n");
1063 if (dev_priv
->enable_fb
)
1064 vmw_3d_resource_inc(dev_priv
, true);
1065 dev_priv
->suspended
= false;
1072 static void vmw_pm_complete(struct device
*kdev
)
1074 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1075 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1076 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1078 mutex_lock(&dev_priv
->hw_mutex
);
1079 vmw_write(dev_priv
, SVGA_REG_ID
, SVGA_ID_2
);
1080 (void) vmw_read(dev_priv
, SVGA_REG_ID
);
1081 mutex_unlock(&dev_priv
->hw_mutex
);
1084 * Reclaim 3d reference held by fbdev and potentially
1087 if (dev_priv
->enable_fb
)
1088 vmw_3d_resource_inc(dev_priv
, false);
1090 dev_priv
->suspended
= false;
1093 static const struct dev_pm_ops vmw_pm_ops
= {
1094 .prepare
= vmw_pm_prepare
,
1095 .complete
= vmw_pm_complete
,
1096 .suspend
= vmw_pm_suspend
,
1097 .resume
= vmw_pm_resume
,
1100 static const struct file_operations vmwgfx_driver_fops
= {
1101 .owner
= THIS_MODULE
,
1103 .release
= drm_release
,
1104 .unlocked_ioctl
= vmw_unlocked_ioctl
,
1106 .poll
= vmw_fops_poll
,
1107 .read
= vmw_fops_read
,
1108 #if defined(CONFIG_COMPAT)
1109 .compat_ioctl
= drm_compat_ioctl
,
1111 .llseek
= noop_llseek
,
1114 static struct drm_driver driver
= {
1115 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_IRQ_SHARED
|
1117 .load
= vmw_driver_load
,
1118 .unload
= vmw_driver_unload
,
1119 .lastclose
= vmw_lastclose
,
1120 .irq_preinstall
= vmw_irq_preinstall
,
1121 .irq_postinstall
= vmw_irq_postinstall
,
1122 .irq_uninstall
= vmw_irq_uninstall
,
1123 .irq_handler
= vmw_irq_handler
,
1124 .get_vblank_counter
= vmw_get_vblank_counter
,
1125 .enable_vblank
= vmw_enable_vblank
,
1126 .disable_vblank
= vmw_disable_vblank
,
1127 .ioctls
= vmw_ioctls
,
1128 .num_ioctls
= DRM_ARRAY_SIZE(vmw_ioctls
),
1129 .master_create
= vmw_master_create
,
1130 .master_destroy
= vmw_master_destroy
,
1131 .master_set
= vmw_master_set
,
1132 .master_drop
= vmw_master_drop
,
1133 .open
= vmw_driver_open
,
1134 .preclose
= vmw_preclose
,
1135 .postclose
= vmw_postclose
,
1137 .dumb_create
= vmw_dumb_create
,
1138 .dumb_map_offset
= vmw_dumb_map_offset
,
1139 .dumb_destroy
= vmw_dumb_destroy
,
1141 .fops
= &vmwgfx_driver_fops
,
1142 .name
= VMWGFX_DRIVER_NAME
,
1143 .desc
= VMWGFX_DRIVER_DESC
,
1144 .date
= VMWGFX_DRIVER_DATE
,
1145 .major
= VMWGFX_DRIVER_MAJOR
,
1146 .minor
= VMWGFX_DRIVER_MINOR
,
1147 .patchlevel
= VMWGFX_DRIVER_PATCHLEVEL
1150 static struct pci_driver vmw_pci_driver
= {
1151 .name
= VMWGFX_DRIVER_NAME
,
1152 .id_table
= vmw_pci_id_list
,
1154 .remove
= vmw_remove
,
1160 static int vmw_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1162 return drm_get_pci_dev(pdev
, ent
, &driver
);
1165 static int __init
vmwgfx_init(void)
1168 ret
= drm_pci_init(&driver
, &vmw_pci_driver
);
1170 DRM_ERROR("Failed initializing DRM.\n");
1174 static void __exit
vmwgfx_exit(void)
1176 drm_pci_exit(&driver
, &vmw_pci_driver
);
1179 module_init(vmwgfx_init
);
1180 module_exit(vmwgfx_exit
);
1182 MODULE_AUTHOR("VMware Inc. and others");
1183 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1184 MODULE_LICENSE("GPL and additional rights");
1185 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR
) "."
1186 __stringify(VMWGFX_DRIVER_MINOR
) "."
1187 __stringify(VMWGFX_DRIVER_PATCHLEVEL
) "."