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path: root/tests/mode/modetest.c
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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

#include "xf86drm.h"
#include "xf86drmMode.h"

const char* getConnectionText(drmModeConnection conn)
{
	switch (conn) {
	case DRM_MODE_CONNECTED:
		return "connected";
	case DRM_MODE_DISCONNECTED:
		return "disconnected";
	default:
		return "unknown";
	}

}

int printMode(struct drm_mode_modeinfo *mode)
{
#if 1
	printf("Mode: %s\n", mode->name);
	printf("\tclock       : %i\n", mode->clock);
	printf("\thdisplay    : %i\n", mode->hdisplay);
	printf("\thsync_start : %i\n", mode->hsync_start);
	printf("\thsync_end   : %i\n", mode->hsync_end);
	printf("\thtotal      : %i\n", mode->htotal);
	printf("\thskew       : %i\n", mode->hskew);
	printf("\tvdisplay    : %i\n", mode->vdisplay);
	printf("\tvsync_start : %i\n", mode->vsync_start);
	printf("\tvsync_end   : %i\n", mode->vsync_end);
	printf("\tvtotal      : %i\n", mode->vtotal);
	printf("\tvscan       : %i\n", mode->vscan);
	printf("\tvrefresh    : %i\n", mode->vrefresh);
	printf("\tflags       : %i\n", mode->flags);
#else
	printf("Mode: \"%s\" %ix%i %.0f\n", mode->name,
		mode->hdisplay, mode->vdisplay, mode->vrefresh / 1000.0);
#endif
	return 0;
}

int printOutput(int fd, drmModeResPtr res, drmModeOutputPtr output, uint32_t id)
{
	int i = 0, j;
	struct drm_mode_modeinfo *mode = NULL;
	drmModePropertyPtr props;
	unsigned char *name = NULL;

	printf("Output: %s\n", output->name);
	printf("\tid           : %i\n", id);
	printf("\tcrtc id      : %i\n", output->crtc);
	printf("\tconn         : %s\n", getConnectionText(output->connection));
	printf("\tsize         : %ix%i (mm)\n", output->mmWidth, output->mmHeight);
	printf("\tcount_crtcs  : %i\n", output->count_crtcs);
	printf("\tcrtcs        : %i\n", output->crtcs);
	printf("\tcount_clones : %i\n", output->count_clones);
	printf("\tclones       : %i\n", output->clones);
	printf("\tcount_modes  : %i\n", output->count_modes);
	printf("\tcount_props  : %i\n", output->count_props);

	for (i = 0; i < output->count_props; i++) {
		props = drmModeGetProperty(fd, output->props[i]);
		name = NULL;
		if (props) {
			printf("Property: %s\n", props->name);
			printf("\tid:        %i\n", props->prop_id);
			printf("\tflags:     %i\n", props->flags);
			printf("\tvalues %d: ", props->count_values);
			for (j = 0; j < props->count_values; j++)
				printf("%d ", props->values[j]);

			printf("\n\tenums %d: \n", props->count_enums);
			
			if (props->flags & DRM_MODE_PROP_BLOB) {
				drmModePropertyBlobPtr blob;

				blob = drmModeGetPropertyBlob(fd, output->prop_values[i]);

				printf("blob is %d length, %08X\n", blob->length, *(uint32_t *)blob->data);
				drmModeFreePropertyBlob(blob);

			} else {
				for (j = 0; j < props->count_enums; j++) {
					if (output->prop_values[i] == props->enums[j].value)
						name = props->enums[j].name;
					printf("\t\t%d = %s\n", props->enums[j].value, props->enums[j].name);
				}

				if (props->count_enums && name) {
					printf("\toutput property name %s %s\n", props->name, name);
				} else {
					printf("\toutput property id %s %i\n", props->name, output->prop_values[i]);
				}
			}

			drmModeFreeProperty(props);
		}
	}

	for (i = 0; i < output->count_modes; i++) {
		mode = &output->modes[i];
		if (mode)
			printMode(mode);
		else
			printf("\t\tmode: Invalid mode %i\n", output->modes[i]);
	}

	return 0;
}

int printCrtc(int fd, drmModeResPtr res, drmModeCrtcPtr crtc, uint32_t id)
{
	printf("Crtc\n");
	printf("\tid           : %i\n", id);
	printf("\tx            : %i\n", crtc->x);
	printf("\ty            : %i\n", crtc->y);
	printf("\twidth        : %i\n", crtc->width);
	printf("\theight       : %i\n", crtc->height);
	printf("\tmode         : %i\n", crtc->mode);
	printf("\tnum outputs  : %i\n", crtc->count_outputs);
	printf("\toutputs      : %i\n", crtc->outputs);
	printf("\tnum possible : %i\n", crtc->count_possibles);
	printf("\tpossibles    : %i\n", crtc->possibles);

	return 0;
}

int printFrameBuffer(int fd, drmModeResPtr res, drmModeFBPtr fb)
{
	printf("Framebuffer\n");
	printf("\thandle    : %i\n", fb->handle);
	printf("\twidth     : %i\n", fb->width);
	printf("\theight    : %i\n", fb->height);
	printf("\tpitch     : %i\n", fb->pitch);;
	printf("\tbpp       : %i\n", fb->bpp);
	printf("\tdepth     : %i\n", fb->depth);
	printf("\tbuffer_id : %i\n", fb->buffer_id);

	return 0;
}

int printRes(int fd, drmModeResPtr res)
{
	int i;
	drmModeOutputPtr output;
	drmModeCrtcPtr crtc;
	drmModeFBPtr fb;

	for (i = 0; i < res->count_outputs; i++) {
		output = drmModeGetOutput(fd, res->outputs[i]);

		if (!output)
			printf("Could not get output %i\n", i);
		else {
			printOutput(fd, res, output, res->outputs[i]);
			drmModeFreeOutput(output);
		}
	}

	for (i = 0; i < res->count_crtcs; i++) {
		crtc = drmModeGetCrtc(fd, res->crtcs[i]);

		if (!crtc)
			printf("Could not get crtc %i\n", i);
		else {
			printCrtc(fd, res, crtc, res->crtcs[i]);
			drmModeFreeCrtc(crtc);
		}
	}

	for (i = 0; i < res->count_fbs; i++) {
		fb = drmModeGetFB(fd, res->fbs[i]);

		if (!fb)
			printf("Could not get fb %i\n", res->fbs[i]);
		else {
			printFrameBuffer(fd, res, fb);
			drmModeFreeFB(fb);
		}
	}

	return 0;
}

static struct drm_mode_modeinfo mode = {
	.name = "Test mode",
	.clock = 25200,
	.hdisplay = 640,
	.hsync_start = 656,
	.hsync_end = 752,
	.htotal = 800,
	.hskew = 0,
	.vdisplay = 480,
	.vsync_start = 490,
	.vsync_end = 492,
	.vtotal = 525,
	.vscan = 0,
	.vrefresh = 60000, /* vertical refresh * 1000 */
	.flags = 10,
};

int testMode(int fd, drmModeResPtr res)
{
	uint32_t output = res->outputs[0];
	uint32_t newMode = 0;
	int ret = 0;
	int error = 0;

	printf("Test: adding mode to output %i\n", output);

	/* printMode(&mode); */

	printf("\tAttaching mode %i to output %i\n", newMode, output);

	ret = drmModeAttachMode(fd, output, &mode);

	if (ret)
		goto err_mode;

	printf("\tDetaching mode %i from output %i\n", newMode, output);
	ret = drmModeDetachMode(fd, output, &mode);

	if (ret)
		goto err_mode;
	return 0;

err_mode:

	printf("\tFailed\n");

	if (error)
		printf("\tFailed to delete mode %i\n", newMode);
	return 1;
}

/*
int testFrameBufferGet(int fd, uint32_t fb)
{
	drmModeFBPtr frame;

	printf("Test: get framebuffer %i\n", fb);

	frame = drmModeGetFB(fd, fb);

	if (!frame) {
		printf("\tFailed\n");
	} else {
		printFrameBuffer(fd, frame);
		drmModeFreeFB(frame);
	}

	return 0;
}
*/

int testFrameBufferAdd(int fd, drmModeResPtr res)
{
	uint32_t fb = 0;
	int ret = 0;
	drmModeFBPtr frame = 0;
	drmBO bo;

	printf("Test: adding framebuffer\n");

	printf("\tCreating BO\n");

	/* TODO */
	ret = 1;
	if (ret)
		goto err;

	printf("\tAdding FB\n");
	ret = drmModeAddFB(fd, 640, 480, 32, 8, 0, &bo, &fb);
	if (ret)
		goto err_bo;

	frame = drmModeGetFB(fd, fb);

	if (!frame) {
		printf("Couldn't retrive created framebuffer\n");
	} else {
		printFrameBuffer(fd, res, frame);
		drmModeFreeFB(frame);
	}

	printf("\tRemoveing FB\n");

	ret = drmModeRmFB(fd, fb);

	if (ret) {
		printf("\tFailed this shouldn't happen!\n");
		goto err_bo;
	}

	printf("\tRemoveing BO\n");

	ret = drmBOUnreference(fb, &bo);

	return 0;
	
err_bo:
	drmBOUnreference(fd, &bo);

err:
	printf("\tFailed\n");

	return 1;
}


int main(int argc, char **argv)
{
	int fd;
	const char *driver = "i915"; /* hardcoded for now */
	drmModeResPtr res;

	printf("Starting test\n");

	fd = drmOpen(driver, NULL);

	if (fd < 0) {
		printf("Failed to open the card fb\n");
		return 1;
	}

	res = drmModeGetResources(fd);
	if (res == 0) {
		printf("Failed to get resources from card\n");
		drmClose(fd);
		return 1;
	}

	printRes(fd, res);

	testMode(fd, res);

	testFrameBufferAdd(fd, res);

	drmModeFreeResources(res);
	printf("Ok\n");

	return 0;
}
->base; } map->mtrr = dev->agp->mtrr; /* for getmap */ /*for (entry = dev->agp->memory; entry; entry = entry->next) { if ((map->offset >= entry->bound) && (map->offset + map->size <= entry->bound + entry->pages * PAGE_SIZE)) { valid = 1; break; } } if (!valid) { free(map, M_DRM); return EACCES; }*/ break; case _DRM_SCATTER_GATHER: if (!dev->sg) { free(map, M_DRM); return EINVAL; } map->offset = map->offset + dev->sg->handle; break; case _DRM_CONSISTENT: /* Unfortunately, we don't get any alignment specification from * the caller, so we have to guess. drm_pci_alloc requires * a power-of-two alignment, so try to align the bus address of * the map to it size if possible, otherwise just assume * PAGE_SIZE alignment. */ align = map->size; if ((align & (align - 1)) != 0) align = PAGE_SIZE; map->dmah = drm_pci_alloc(dev, map->size, align, 0xfffffffful); if (map->dmah == NULL) { free(map, M_DRM); return ENOMEM; } map->handle = map->dmah->vaddr; map->offset = map->dmah->busaddr; break; default: DRM_ERROR("Bad map type %d\n", map->type); free(map, M_DRM); return EINVAL; } DRM_LOCK(); TAILQ_INSERT_TAIL(&dev->maplist, map, link); done: /* Jumped to, with lock held, when a kernel map is found. */ DRM_DEBUG("Added map %d 0x%lx/0x%lx\n", map->type, map->offset, map->size); *map_ptr = map; return 0; } int drm_addmap_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_map_t *request = data; drm_local_map_t *map; int err; if (!(dev->flags & (FREAD|FWRITE))) return EACCES; /* Require read/write */ if (!DRM_SUSER(DRM_CURPROC) && request->type != _DRM_AGP) return EACCES; DRM_LOCK(); err = drm_addmap(dev, request->offset, request->size, request->type, request->flags, &map); DRM_UNLOCK(); if (err != 0) return err; request->offset = map->offset; request->size = map->size; request->type = map->type; request->flags = map->flags; request->mtrr = map->mtrr; request->handle = map->handle; if (request->type != _DRM_SHM) { request->handle = (void *)request->offset; } return 0; } void drm_rmmap(drm_device_t *dev, drm_local_map_t *map) { DRM_SPINLOCK_ASSERT(&dev->dev_lock); TAILQ_REMOVE(&dev->maplist, map, link); switch (map->type) { case _DRM_REGISTERS: if (map->bsr == NULL) drm_ioremapfree(map); /* FALLTHROUGH */ case _DRM_FRAME_BUFFER: if (map->mtrr) { int __unused retcode; retcode = drm_mtrr_del(0, map->offset, map->size, DRM_MTRR_WC); DRM_DEBUG("mtrr_del = %d\n", retcode); } break; case _DRM_SHM: free(map->handle, M_DRM); break; case _DRM_AGP: case _DRM_SCATTER_GATHER: break; case _DRM_CONSISTENT: drm_pci_free(dev, map->dmah); break; default: DRM_ERROR("Bad map type %d\n", map->type); break; } if (map->bsr != NULL) { bus_release_resource(dev->device, SYS_RES_MEMORY, map->rid, map->bsr); } free(map, M_DRM); } /* Remove a map private from list and deallocate resources if the mapping * isn't in use. */ int drm_rmmap_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_local_map_t *map; drm_map_t *request = data; DRM_LOCK(); TAILQ_FOREACH(map, &dev->maplist, link) { if (map->handle == request->handle && map->flags & _DRM_REMOVABLE) break; } /* No match found. */ if (map == NULL) { DRM_UNLOCK(); return EINVAL; } drm_rmmap(dev, map); DRM_UNLOCK(); return 0; } static void drm_cleanup_buf_error(drm_device_t *dev, drm_buf_entry_t *entry) { int i; if (entry->seg_count) { for (i = 0; i < entry->seg_count; i++) { drm_pci_free(dev, entry->seglist[i]); } free(entry->seglist, M_DRM); entry->seg_count = 0; } if (entry->buf_count) { for (i = 0; i < entry->buf_count; i++) { free(entry->buflist[i].dev_private, M_DRM); } free(entry->buflist, M_DRM); entry->buf_count = 0; } } static int drm_do_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request) { drm_device_dma_t *dma = dev->dma; drm_buf_entry_t *entry; /*drm_agp_mem_t *agp_entry; int valid*/ drm_buf_t *buf; unsigned long offset; unsigned long agp_offset; int count; int order; int size; int alignment; int page_order; int total; int byte_count; int i; drm_buf_t **temp_buflist; count = request->count; order = drm_order(request->size); size = 1 << order; alignment = (request->flags & _DRM_PAGE_ALIGN) ? round_page(size) : size; page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; total = PAGE_SIZE << page_order; byte_count = 0; agp_offset = dev->agp->base + request->agp_start; DRM_DEBUG( "count: %d\n", count ); DRM_DEBUG( "order: %d\n", order ); DRM_DEBUG( "size: %d\n", size ); DRM_DEBUG( "agp_offset: 0x%lx\n", agp_offset ); DRM_DEBUG( "alignment: %d\n", alignment ); DRM_DEBUG( "page_order: %d\n", page_order ); DRM_DEBUG( "total: %d\n", total ); /* Make sure buffers are located in AGP memory that we own */ /* Breaks MGA due to drm_alloc_agp not setting up entries for the * memory. Safe to ignore for now because these ioctls are still * root-only. */ /*valid = 0; for (agp_entry = dev->agp->memory; agp_entry; agp_entry = agp_entry->next) { if ((agp_offset >= agp_entry->bound) && (agp_offset + total * count <= agp_entry->bound + agp_entry->pages * PAGE_SIZE)) { valid = 1; break; } } if (!valid) { DRM_DEBUG("zone invalid\n"); return EINVAL; }*/ entry = &dma->bufs[order]; entry->buflist = malloc(count * sizeof(*entry->buflist), M_DRM, M_NOWAIT | M_ZERO); if ( !entry->buflist ) { return ENOMEM; } entry->buf_size = size; entry->page_order = page_order; offset = 0; while ( entry->buf_count < count ) { buf = &entry->buflist[entry->buf_count]; buf->idx = dma->buf_count + entry->buf_count; buf->total = alignment; buf->order = order; buf->used = 0; buf->offset = (dma->byte_count + offset); buf->bus_address = agp_offset + offset; buf->address = (void *)(agp_offset + offset); buf->next = NULL; buf->pending = 0; buf->file_priv = NULL; buf->dev_priv_size = dev->driver.buf_priv_size; buf->dev_private = malloc(buf->dev_priv_size, M_DRM, M_NOWAIT | M_ZERO); if (buf->dev_private == NULL) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; drm_cleanup_buf_error(dev, entry); return ENOMEM; } offset += alignment; entry->buf_count++; byte_count += PAGE_SIZE << page_order; } DRM_DEBUG( "byte_count: %d\n", byte_count ); temp_buflist = realloc(dma->buflist, (dma->buf_count + entry->buf_count) * sizeof(*dma->buflist), M_DRM, M_NOWAIT); if (temp_buflist == NULL) { /* Free the entry because it isn't valid */ drm_cleanup_buf_error(dev, entry); return ENOMEM; } dma->buflist = temp_buflist; for ( i = 0 ; i < entry->buf_count ; i++ ) { dma->buflist[i + dma->buf_count] = &entry->buflist[i]; } dma->buf_count += entry->buf_count; dma->byte_count += byte_count; DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); request->count = entry->buf_count; request->size = size; dma->flags = _DRM_DMA_USE_AGP; return 0; } static int drm_do_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request) { drm_device_dma_t *dma = dev->dma; int count; int order; int size; int total; int page_order; drm_buf_entry_t *entry; drm_buf_t *buf; int alignment; unsigned long offset; int i; int byte_count; int page_count; unsigned long *temp_pagelist; drm_buf_t **temp_buflist; count = request->count; order = drm_order(request->size); size = 1 << order; DRM_DEBUG( "count=%d, size=%d (%d), order=%d\n", request->count, request->size, size, order ); alignment = (request->flags & _DRM_PAGE_ALIGN) ? round_page(size) : size; page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; total = PAGE_SIZE << page_order; entry = &dma->bufs[order]; entry->buflist = malloc(count * sizeof(*entry->buflist), M_DRM, M_NOWAIT | M_ZERO); entry->seglist = malloc(count * sizeof(*entry->seglist), M_DRM, M_NOWAIT | M_ZERO); /* Keep the original pagelist until we know all the allocations * have succeeded */ temp_pagelist = malloc((dma->page_count + (count << page_order)) * sizeof(*dma->pagelist), M_DRM, M_NOWAIT); if (entry->buflist == NULL || entry->seglist == NULL || temp_pagelist == NULL) { free(entry->buflist, M_DRM); free(entry->seglist, M_DRM); return ENOMEM; } memcpy(temp_pagelist, dma->pagelist, dma->page_count * sizeof(*dma->pagelist)); DRM_DEBUG( "pagelist: %d entries\n", dma->page_count + (count << page_order) ); entry->buf_size = size; entry->page_order = page_order; byte_count = 0; page_count = 0; while ( entry->buf_count < count ) { drm_dma_handle_t *dmah = drm_pci_alloc(dev, size, alignment, 0xfffffffful); if (dmah == NULL) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; entry->seg_count = count; drm_cleanup_buf_error(dev, entry); free(temp_pagelist, M_DRM); return ENOMEM; } entry->seglist[entry->seg_count++] = dmah; for ( i = 0 ; i < (1 << page_order) ; i++ ) { DRM_DEBUG( "page %d @ %p\n", dma->page_count + page_count, (char *)dmah->vaddr + PAGE_SIZE * i ); temp_pagelist[dma->page_count + page_count++] = (long)dmah->vaddr + PAGE_SIZE * i; } for ( offset = 0 ; offset + size <= total && entry->buf_count < count ; offset += alignment, ++entry->buf_count ) { buf = &entry->buflist[entry->buf_count]; buf->idx = dma->buf_count + entry->buf_count; buf->total = alignment; buf->order = order; buf->used = 0; buf->offset = (dma->byte_count + byte_count + offset); buf->address = ((char *)dmah->vaddr + offset); buf->bus_address = dmah->busaddr + offset; buf->next = NULL; buf->pending = 0; buf->file_priv = NULL; buf->dev_priv_size = dev->driver.buf_priv_size; buf->dev_private = malloc(buf->dev_priv_size, M_DRM, M_NOWAIT | M_ZERO); if (buf->dev_private == NULL) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; entry->seg_count = count; drm_cleanup_buf_error(dev, entry); free(temp_pagelist, M_DRM); return ENOMEM; } DRM_DEBUG( "buffer %d @ %p\n", entry->buf_count, buf->address ); } byte_count += PAGE_SIZE << page_order; } temp_buflist = realloc(dma->buflist, (dma->buf_count + entry->buf_count) * sizeof(*dma->buflist), M_DRM, M_NOWAIT); if (temp_buflist == NULL) { /* Free the entry because it isn't valid */ drm_cleanup_buf_error(dev, entry); free(temp_pagelist, M_DRM); return ENOMEM; } dma->buflist = temp_buflist; for ( i = 0 ; i < entry->buf_count ; i++ ) { dma->buflist[i + dma->buf_count] = &entry->buflist[i]; } /* No allocations failed, so now we can replace the orginal pagelist * with the new one. */ free(dma->pagelist, M_DRM); dma->pagelist = temp_pagelist; dma->buf_count += entry->buf_count; dma->seg_count += entry->seg_count; dma->page_count += entry->seg_count << page_order; dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); request->count = entry->buf_count; request->size = size; return 0; } static int drm_do_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request) { drm_device_dma_t *dma = dev->dma; drm_buf_entry_t *entry; drm_buf_t *buf; unsigned long offset; unsigned long agp_offset; int count; int order; int size; int alignment; int page_order; int total; int byte_count; int i; drm_buf_t **temp_buflist; count = request->count; order = drm_order(request->size); size = 1 << order; alignment = (request->flags & _DRM_PAGE_ALIGN) ? round_page(size) : size; page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; total = PAGE_SIZE << page_order; byte_count = 0; agp_offset = request->agp_start; DRM_DEBUG( "count: %d\n", count ); DRM_DEBUG( "order: %d\n", order ); DRM_DEBUG( "size: %d\n", size ); DRM_DEBUG( "agp_offset: %ld\n", agp_offset ); DRM_DEBUG( "alignment: %d\n", alignment ); DRM_DEBUG( "page_order: %d\n", page_order ); DRM_DEBUG( "total: %d\n", total ); entry = &dma->bufs[order]; entry->buflist = malloc(count * sizeof(*entry->buflist), M_DRM, M_NOWAIT | M_ZERO); if (entry->buflist == NULL) return ENOMEM; entry->buf_size = size; entry->page_order = page_order; offset = 0; while ( entry->buf_count < count ) { buf = &entry->buflist[entry->buf_count]; buf->idx = dma->buf_count + entry->buf_count; buf->total = alignment; buf->order = order; buf->used = 0; buf->offset = (dma->byte_count + offset); buf->bus_address = agp_offset + offset; buf->address = (void *)(agp_offset + offset + dev->sg->handle); buf->next = NULL; buf->pending = 0; buf->file_priv = NULL; buf->dev_priv_size = dev->driver.buf_priv_size; buf->dev_private = malloc(buf->dev_priv_size, M_DRM, M_NOWAIT | M_ZERO); if (buf->dev_private == NULL) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; drm_cleanup_buf_error(dev, entry); return ENOMEM; } DRM_DEBUG( "buffer %d @ %p\n", entry->buf_count, buf->address ); offset += alignment; entry->buf_count++; byte_count += PAGE_SIZE << page_order; } DRM_DEBUG( "byte_count: %d\n", byte_count ); temp_buflist = realloc(dma->buflist, (dma->buf_count + entry->buf_count) * sizeof(*dma->buflist), M_DRM, M_NOWAIT); if (temp_buflist == NULL) { /* Free the entry because it isn't valid */ drm_cleanup_buf_error(dev, entry); return ENOMEM; } dma->buflist = temp_buflist; for ( i = 0 ; i < entry->buf_count ; i++ ) { dma->buflist[i + dma->buf_count] = &entry->buflist[i]; } dma->buf_count += entry->buf_count; dma->byte_count += byte_count; DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); request->count = entry->buf_count; request->size = size; dma->flags = _DRM_DMA_USE_SG; return 0; } int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request) { int order, ret; DRM_SPINLOCK(&dev->dma_lock); if (request->count < 0 || request->count > 4096) return EINVAL; order = drm_order(request->size); if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return EINVAL; /* No more allocations after first buffer-using ioctl. */ if (dev->buf_use != 0) { DRM_SPINUNLOCK(&dev->dma_lock); return EBUSY; } /* No more than one allocation per order */ if (dev->dma->bufs[order].buf_count != 0) { DRM_SPINUNLOCK(&dev->dma_lock); return ENOMEM; } ret = drm_do_addbufs_agp(dev, request); DRM_SPINUNLOCK(&dev->dma_lock); return ret; } int drm_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request) { int order, ret; DRM_SPINLOCK(&dev->dma_lock); if (!DRM_SUSER(DRM_CURPROC)) return EACCES; if (request->count < 0 || request->count > 4096) return EINVAL; order = drm_order(request->size); if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return EINVAL; /* No more allocations after first buffer-using ioctl. */ if (dev->buf_use != 0) { DRM_SPINUNLOCK(&dev->dma_lock); return EBUSY; } /* No more than one allocation per order */ if (dev->dma->bufs[order].buf_count != 0) { DRM_SPINUNLOCK(&dev->dma_lock); return ENOMEM; } ret = drm_do_addbufs_sg(dev, request); DRM_SPINUNLOCK(&dev->dma_lock); return ret; } int drm_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request) { int order, ret; DRM_SPINLOCK(&dev->dma_lock); if (!DRM_SUSER(DRM_CURPROC)) return EACCES; if (request->count < 0 || request->count > 4096) return EINVAL; order = drm_order(request->size); if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return EINVAL; /* No more allocations after first buffer-using ioctl. */ if (dev->buf_use != 0) { DRM_SPINUNLOCK(&dev->dma_lock); return EBUSY; } /* No more than one allocation per order */ if (dev->dma->bufs[order].buf_count != 0) { DRM_SPINUNLOCK(&dev->dma_lock); return ENOMEM; } ret = drm_do_addbufs_pci(dev, request); DRM_SPINUNLOCK(&dev->dma_lock); return ret; } int drm_addbufs_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_buf_desc_t *request = data; int err; if (request->flags & _DRM_AGP_BUFFER) err = drm_addbufs_agp(dev, request); else if (request->flags & _DRM_SG_BUFFER) err = drm_addbufs_sg(dev, request); else err = drm_addbufs_pci(dev, request); return err; } int drm_infobufs(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_device_dma_t *dma = dev->dma; drm_buf_info_t *request = data; int i; int count; int retcode = 0; DRM_SPINLOCK(&dev->dma_lock); ++dev->buf_use; /* Can't allocate more after this call */ DRM_SPINUNLOCK(&dev->dma_lock); for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { if ( dma->bufs[i].buf_count ) ++count; } DRM_DEBUG( "count = %d\n", count ); if ( request->count >= count ) { for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { if ( dma->bufs[i].buf_count ) { drm_buf_desc_t from; from.count = dma->bufs[i].buf_count; from.size = dma->bufs[i].buf_size; from.low_mark = dma->bufs[i].freelist.low_mark; from.high_mark = dma->bufs[i].freelist.high_mark; if (DRM_COPY_TO_USER(&request->list[count], &from, sizeof(drm_buf_desc_t)) != 0) { retcode = EFAULT; break; } DRM_DEBUG( "%d %d %d %d %d\n", i, dma->bufs[i].buf_count, dma->bufs[i].buf_size, dma->bufs[i].freelist.low_mark, dma->bufs[i].freelist.high_mark ); ++count; } } } request->count = count; return retcode; } int drm_markbufs(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_device_dma_t *dma = dev->dma; drm_buf_desc_t *request = data; int order; DRM_DEBUG( "%d, %d, %d\n", request->size, request->low_mark, request->high_mark ); order = drm_order(request->size); if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER || request->low_mark < 0 || request->high_mark < 0) { return EINVAL; } DRM_SPINLOCK(&dev->dma_lock); if (request->low_mark > dma->bufs[order].buf_count || request->high_mark > dma->bufs[order].buf_count) { return EINVAL; } dma->bufs[order].freelist.low_mark = request->low_mark; dma->bufs[order].freelist.high_mark = request->high_mark; DRM_SPINUNLOCK(&dev->dma_lock); return 0; } int drm_freebufs(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_device_dma_t *dma = dev->dma; drm_buf_free_t *request = data; int i; int idx; drm_buf_t *buf; int retcode = 0; DRM_DEBUG( "%d\n", request->count ); DRM_SPINLOCK(&dev->dma_lock); for ( i = 0 ; i < request->count ; i++ ) { if (DRM_COPY_FROM_USER(&idx, &request->list[i], sizeof(idx))) { retcode = EFAULT; break; } if ( idx < 0 || idx >= dma->buf_count ) { DRM_ERROR( "Index %d (of %d max)\n", idx, dma->buf_count - 1 ); retcode = EINVAL; break; } buf = dma->buflist[idx]; if ( buf->file_priv != file_priv ) { DRM_ERROR("Process %d freeing buffer not owned\n", DRM_CURRENTPID); retcode = EINVAL; break; } drm_free_buffer(dev, buf); } DRM_SPINUNLOCK(&dev->dma_lock); return retcode; } int drm_mapbufs(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_device_dma_t *dma = dev->dma; int retcode = 0; const int zero = 0; vm_offset_t address; struct vmspace *vms; #ifdef __FreeBSD__ vm_ooffset_t foff; vm_size_t size; vm_offset_t vaddr; #elif defined(__NetBSD__) || defined(__OpenBSD__) struct vnode *vn; voff_t foff; vsize_t size; vaddr_t vaddr; #endif /* __NetBSD__ || __OpenBSD__ */ drm_buf_map_t *request = data; int i; #if defined(__NetBSD__) || defined(__OpenBSD__) if (!vfinddev(kdev, VCHR, &vn)) return 0; /* FIXME: Shouldn't this be EINVAL or something? */ #endif /* __NetBSD__ || __OpenBSD */ #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 vms = DRM_CURPROC->td_proc->p_vmspace; #else vms = DRM_CURPROC->p_vmspace; #endif DRM_SPINLOCK(&dev->dma_lock); dev->buf_use++; /* Can't allocate more after this call */ DRM_SPINUNLOCK(&dev->dma_lock); if (request->count < dma->buf_count) goto done; if ((dev->driver.use_agp && (dma->flags & _DRM_DMA_USE_AGP)) || (dev->driver.use_sg && (dma->flags & _DRM_DMA_USE_SG))) { drm_local_map_t *map = dev->agp_buffer_map; if (map == NULL) { retcode = EINVAL; goto done; } size = round_page(map->size); foff = map->offset; } else { size = round_page(dma->byte_count), foff = 0; } #ifdef __FreeBSD__ vaddr = round_page((vm_offset_t)vms->vm_daddr + MAXDSIZ); #if __FreeBSD_version >= 600023 retcode = vm_mmap(&vms->vm_map, &vaddr, size, PROT_READ | PROT_WRITE, VM_PROT_ALL, MAP_SHARED, OBJT_DEVICE, dev->devnode, foff); #else retcode = vm_mmap(&vms->vm_map, &vaddr, size, PROT_READ | PROT_WRITE, VM_PROT_ALL, MAP_SHARED, SLIST_FIRST(&dev->devnode->si_hlist), foff); #endif #elif defined(__NetBSD__) || defined(__OpenBSD__) vaddr = round_page((vaddr_t)vms->vm_daddr + MAXDSIZ); retcode = uvm_mmap(&vms->vm_map, &vaddr, size, UVM_PROT_READ | UVM_PROT_WRITE, UVM_PROT_ALL, MAP_SHARED, &vn->v_uobj, foff, p->p_rlimit[RLIMIT_MEMLOCK].rlim_cur); #endif /* __NetBSD__ || __OpenBSD */ if (retcode) goto done; request->virtual = (void *)vaddr; for ( i = 0 ; i < dma->buf_count ; i++ ) { if (DRM_COPY_TO_USER(&request->list[i].idx, &dma->buflist[i]->idx, sizeof(request->list[0].idx))) { retcode = EFAULT; goto done; } if (DRM_COPY_TO_USER(&request->list[i].total, &dma->buflist[i]->total, sizeof(request->list[0].total))) { retcode = EFAULT; goto done; } if (DRM_COPY_TO_USER(&request->list[i].used, &zero, sizeof(zero))) { retcode = EFAULT; goto done; } address = vaddr + dma->buflist[i]->offset; /* *** */ if (DRM_COPY_TO_USER(&request->list[i].address, &address, sizeof(address))) { retcode = EFAULT; goto done; } } done: request->count = dma->buf_count; DRM_DEBUG( "%d buffers, retcode = %d\n", request->count, retcode ); return retcode; }