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-rw-r--r--bsd-core/drmP.h25
-rw-r--r--bsd-core/drm_dma.c4
-rw-r--r--bsd-core/drm_drawable.c119
-rw-r--r--bsd-core/drm_drv.c12
-rw-r--r--bsd-core/drm_irq.c51
-rw-r--r--bsd-core/drm_scatter.c1
6 files changed, 199 insertions, 13 deletions
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h
index b2ecd4d4..fd8f4a27 100644
--- a/bsd-core/drmP.h
+++ b/bsd-core/drmP.h
@@ -59,6 +59,8 @@ typedef struct drm_file drm_file_t;
#include <sys/bus.h>
#include <sys/signalvar.h>
#include <sys/poll.h>
+#include <sys/tree.h>
+#include <sys/taskqueue.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_extern.h>
@@ -152,6 +154,7 @@ typedef struct drm_file drm_file_t;
#define DRM_MEM_CTXBITMAP 17
#define DRM_MEM_STUB 18
#define DRM_MEM_SGLISTS 19
+#define DRM_MEM_DRAWABLE 20
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
@@ -184,10 +187,15 @@ MALLOC_DECLARE(M_DRM);
#define DRM_CURPROC curthread
#define DRM_STRUCTPROC struct thread
#define DRM_SPINTYPE struct mtx
-#define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF)
-#define DRM_SPINUNINIT(l) mtx_destroy(&l)
+#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF)
+#define DRM_SPINUNINIT(l) mtx_destroy(l)
#define DRM_SPINLOCK(l) mtx_lock(l)
-#define DRM_SPINUNLOCK(u) mtx_unlock(u);
+#define DRM_SPINUNLOCK(u) mtx_unlock(u)
+#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
+ mtx_lock(l); \
+ (void)irqflags; \
+} while (0)
+#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
#define DRM_CURRENTPID curthread->td_proc->p_pid
#define DRM_LOCK() mtx_lock(&dev->dev_lock)
@@ -732,6 +740,8 @@ struct drm_device {
struct mtx irq_lock; /* protects irq condition checks */
struct mtx dev_lock; /* protects everything else */
#endif
+ DRM_SPINTYPE drw_lock;
+
/* Usage Counters */
int open_count; /* Outstanding files open */
int buf_use; /* Buffers in use -- cannot alloc */
@@ -797,6 +807,13 @@ struct drm_device {
void *dev_private;
unsigned int agp_buffer_token;
drm_local_map_t *agp_buffer_map;
+
+ struct unrhdr *drw_unrhdr;
+ /* RB tree of drawable infos */
+ RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
+
+ struct task locked_task;
+ void (*locked_task_call)(drm_device_t *dev);
};
extern int drm_debug_flag;
@@ -959,6 +976,8 @@ int drm_getsareactx(DRM_IOCTL_ARGS);
/* Drawable IOCTL support (drm_drawable.c) */
int drm_adddraw(DRM_IOCTL_ARGS);
int drm_rmdraw(DRM_IOCTL_ARGS);
+int drm_update_draw(DRM_IOCTL_ARGS);
+struct drm_drawable_info *drm_get_drawable_info(drm_device_t *dev, int handle);
/* Authentication IOCTL support (drm_auth.c) */
int drm_getmagic(DRM_IOCTL_ARGS);
diff --git a/bsd-core/drm_dma.c b/bsd-core/drm_dma.c
index 67b3fe2d..086a9fa2 100644
--- a/bsd-core/drm_dma.c
+++ b/bsd-core/drm_dma.c
@@ -40,7 +40,7 @@ int drm_dma_setup(drm_device_t *dev)
if (dev->dma == NULL)
return DRM_ERR(ENOMEM);
- DRM_SPININIT(dev->dma_lock, "drmdma");
+ DRM_SPININIT(&dev->dma_lock, "drmdma");
return 0;
}
@@ -80,7 +80,7 @@ void drm_dma_takedown(drm_device_t *dev)
free(dma->pagelist, M_DRM);
free(dev->dma, M_DRM);
dev->dma = NULL;
- DRM_SPINUNINIT(dev->dma_lock);
+ DRM_SPINUNINIT(&dev->dma_lock);
}
diff --git a/bsd-core/drm_drawable.c b/bsd-core/drm_drawable.c
index 379e0aa7..bc3ad571 100644
--- a/bsd-core/drm_drawable.c
+++ b/bsd-core/drm_drawable.c
@@ -33,19 +33,130 @@
#include "drmP.h"
+struct bsd_drm_drawable_info {
+ struct drm_drawable_info info;
+ int handle;
+ RB_ENTRY(bsd_drm_drawable_info) tree;
+};
+
+static int
+drm_drawable_compare(struct bsd_drm_drawable_info *a,
+ struct bsd_drm_drawable_info *b)
+{
+ if (a->handle > b->handle)
+ return 1;
+ if (a->handle > b->handle)
+ return -1;
+ return 0;
+}
+
+RB_GENERATE_STATIC(drawable_tree, bsd_drm_drawable_info, tree,
+ drm_drawable_compare);
+
+struct drm_drawable_info *
+drm_get_drawable_info(drm_device_t *dev, int handle)
+{
+ struct bsd_drm_drawable_info find, *result;
+
+ find.handle = handle;
+ result = RB_FIND(drawable_tree, &dev->drw_head, &find);
+
+ return &result->info;
+}
+
+static struct drm_drawable_info *
+drm_drawable_info_alloc(drm_device_t *dev, int handle)
+{
+ struct bsd_drm_drawable_info *info;
+
+ info = drm_calloc(1, sizeof(struct bsd_drm_drawable_info),
+ DRM_MEM_DRAWABLE);
+ if (info == NULL)
+ return NULL;
+
+ info->handle = handle;
+ RB_INSERT(drawable_tree, &dev->drw_head, info);
+
+ return &info->info;
+}
+
+static void
+drm_drawable_info_free(drm_device_t *dev, struct drm_drawable_info *info)
+{
+ RB_REMOVE(drawable_tree, &dev->drw_head,
+ (struct bsd_drm_drawable_info *)info);
+ drm_free(info, sizeof(struct bsd_drm_drawable_info), DRM_MEM_DRAWABLE);
+}
+
int drm_adddraw(DRM_IOCTL_ARGS)
{
+ DRM_DEVICE;
drm_draw_t draw;
- draw.handle = 0; /* NOOP */
+ draw.handle = alloc_unr(dev->drw_unrhdr);
DRM_DEBUG("%d\n", draw.handle);
-
- DRM_COPY_TO_USER_IOCTL( (drm_draw_t *)data, draw, sizeof(draw) );
+
+ DRM_COPY_TO_USER_IOCTL((drm_draw_t *)data, draw, sizeof(draw));
return 0;
}
int drm_rmdraw(DRM_IOCTL_ARGS)
{
- return 0; /* NOOP */
+ DRM_DEVICE;
+ drm_draw_t *draw = (drm_draw_t *)data;
+ struct drm_drawable_info *info;
+
+ free_unr(dev->drw_unrhdr, draw->handle);
+
+ info = drm_get_drawable_info(dev, draw->handle);
+ if (info != NULL) {
+ drm_drawable_info_free(dev, info);
+ }
+
+ return 0;
+}
+
+int drm_update_draw(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ struct drm_drawable_info *info;
+ struct drm_update_draw *update = (struct drm_update_draw *)data;
+
+ info = drm_get_drawable_info(dev, update->handle);
+ if (info == NULL) {
+ info = drm_drawable_info_alloc(dev, update->handle);
+ if (info == NULL)
+ return ENOMEM;
+ }
+
+ switch (update->type) {
+ case DRM_DRAWABLE_CLIPRECTS:
+ DRM_SPINLOCK(&dev->drw_lock);
+ if (update->num != info->num_rects) {
+ drm_free(info->rects,
+ sizeof(*info->rects) * info->num_rects,
+ DRM_MEM_DRAWABLE);
+ info->rects = NULL;
+ info->num_rects = 0;
+ }
+ if (update->num == 0) {
+ DRM_SPINUNLOCK(&dev->drw_lock);
+ return 0;
+ }
+ if (info->rects == NULL) {
+ info->rects = drm_alloc(sizeof(*info->rects) *
+ update->num, DRM_MEM_DRAWABLE);
+ if (info->rects == NULL)
+ return ENOMEM;
+ info->num_rects = update->num;
+ }
+ /* For some reason the pointer arg is unsigned long long. */
+ copyin((void *)(intptr_t)update->data, info->rects,
+ sizeof(*info->rects) * info->num_rects);
+ DRM_SPINUNLOCK(&dev->drw_lock);
+ return 0;
+ default:
+ return EINVAL;
+ }
}
diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
index 069774c1..4be4cd30 100644
--- a/bsd-core/drm_drv.c
+++ b/bsd-core/drm_drv.c
@@ -31,6 +31,7 @@
*
*/
+#include <sys/limits.h>
#include "drmP.h"
#include "drm.h"
#include "drm_sarea.h"
@@ -121,6 +122,7 @@ static drm_ioctl_desc_t drm_ioctls[256] = {
[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = { drm_update_draw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
};
#ifdef __FreeBSD__
@@ -556,7 +558,13 @@ static int drm_load(drm_device_t *dev)
DRM_ERROR("Cannot allocate memory for context bitmap.\n");
goto error;
}
-
+
+ dev->drw_unrhdr = new_unrhdr(1, INT_MAX, NULL);
+ if (dev->drw_unrhdr == NULL) {
+ DRM_ERROR("Couldn't allocate drawable number allocator\n");
+ goto error;
+ }
+
DRM_INFO("Initialized %s %d.%d.%d %s\n",
dev->driver.name,
dev->driver.major,
@@ -628,6 +636,8 @@ static void drm_unload(drm_device_t *dev)
if (dev->driver.unload != NULL)
dev->driver.unload(dev);
+ delete_unrhdr(dev->drw_unrhdr);
+
drm_mem_uninit();
#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
mtx_destroy(&dev->dev_lock);
diff --git a/bsd-core/drm_irq.c b/bsd-core/drm_irq.c
index f7da5ed7..2a69e014 100644
--- a/bsd-core/drm_irq.c
+++ b/bsd-core/drm_irq.c
@@ -31,6 +31,8 @@
#include "drmP.h"
#include "drm.h"
+static void drm_locked_task(void *context, int pending __unused);
+
int drm_irq_by_busid(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
@@ -87,7 +89,7 @@ int drm_irq_install(drm_device_t *dev)
dev->context_flag = 0;
- DRM_SPININIT(dev->irq_lock, "DRM IRQ lock");
+ DRM_SPININIT(&dev->irq_lock, "DRM IRQ lock");
/* Before installing handler */
dev->driver.irq_preinstall(dev);
@@ -131,6 +133,7 @@ int drm_irq_install(drm_device_t *dev)
dev->driver.irq_postinstall(dev);
DRM_UNLOCK();
+ TASK_INIT(&dev->locked_task, 0, drm_locked_task, dev);
return 0;
err:
DRM_LOCK();
@@ -142,7 +145,7 @@ err:
dev->irqrid = 0;
}
#endif
- DRM_SPINUNINIT(dev->irq_lock);
+ DRM_SPINUNINIT(&dev->irq_lock);
DRM_UNLOCK();
return retcode;
}
@@ -174,7 +177,7 @@ int drm_irq_uninstall(drm_device_t *dev)
#elif defined(__NetBSD__) || defined(__OpenBSD__)
pci_intr_disestablish(&dev->pa.pa_pc, dev->irqh);
#endif
- DRM_SPINUNINIT(dev->irq_lock);
+ DRM_SPINUNINIT(&dev->irq_lock);
return 0;
}
@@ -291,3 +294,45 @@ void drm_vbl_send_signals( drm_device_t *dev )
}
}
#endif
+
+static void drm_locked_task(void *context, int pending __unused)
+{
+ drm_device_t *dev = context;
+
+ DRM_LOCK();
+ for (;;) {
+ int ret;
+
+ if (drm_lock_take(&dev->lock.hw_lock->lock,
+ DRM_KERNEL_CONTEXT))
+ {
+ dev->lock.filp = (void *)(uintptr_t)DRM_CURRENTPID;
+ dev->lock.lock_time = jiffies;
+ atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
+ break; /* Got lock */
+ }
+
+ /* Contention */
+#if defined(__FreeBSD__) && __FreeBSD_version > 500000
+ ret = msleep((void *)&dev->lock.lock_queue, &dev->dev_lock,
+ PZERO | PCATCH, "drmlk2", 0);
+#else
+ ret = tsleep((void *)&dev->lock.lock_queue, PZERO | PCATCH,
+ "drmlk2", 0);
+#endif
+ if (ret != 0)
+ return;
+ }
+ DRM_UNLOCK();
+
+ dev->locked_task_call(dev);
+
+ drm_lock_free(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT);
+}
+
+void
+drm_locked_tasklet(drm_device_t *dev, void (*tasklet)(drm_device_t *dev))
+{
+ dev->locked_task_call = tasklet;
+ taskqueue_enqueue(taskqueue_swi, &dev->locked_task);
+}
diff --git a/bsd-core/drm_scatter.c b/bsd-core/drm_scatter.c
index 99eae408..3c0be4a0 100644
--- a/bsd-core/drm_scatter.c
+++ b/bsd-core/drm_scatter.c
@@ -90,6 +90,7 @@ int drm_sg_alloc(drm_device_t * dev, drm_scatter_gather_t * request)
dev->sg = entry;
DRM_UNLOCK();
+ return 0;
}
int drm_sg_alloc_ioctl(DRM_IOCTL_ARGS)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 07:30:17 +0000