/* sis_ds.c -- Private header for Direct Rendering Manager -*- linux-c -*- * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw * * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Sung-Ching Lin * */ #include "drmP.h" #include "drm.h" #include "sis_ds.h" /* Set Data Structure, not check repeated value * temporarily used */ set_t *setInit(void) { int i; set_t *set; set = (set_t *) drm_alloc(sizeof(set_t), DRM_MEM_DRIVER); if (set != NULL) { for (i = 0; i < SET_SIZE; i++) { set->list[i].free_next = i + 1; set->list[i].alloc_next = -1; } set->list[SET_SIZE - 1].free_next = -1; set->free = 0; set->alloc = -1; set->trace = -1; } return set; } int setAdd(set_t * set, ITEM_TYPE item) { int free = set->free; if (free != -1) { set->list[free].val = item; set->free = set->list[free].free_next; } else { return 0; } set->list[free].alloc_next = set->alloc; set->alloc = free; set->list[free].free_next = -1; return 1; } int setDel(set_t * set, ITEM_TYPE item) { int alloc = set->alloc; int prev = -1; while (alloc != -1) { if (set->list[alloc].val == item) { if (prev != -1) set->list[prev].alloc_next = set->list[alloc].alloc_next; else set->alloc = set->list[alloc].alloc_next; break; } prev = alloc; alloc = set->list[alloc].alloc_next; } if (alloc == -1) return 0; set->list[alloc].free_next = set->free; set->free = alloc; set->list[alloc].alloc_next = -1; return 1; } /* setFirst -> setAdd -> setNext is wrong */ int setFirst(set_t * set, ITEM_TYPE * item) { if (set->alloc == -1) return 0; *item = set->list[set->alloc].val; set->trace = set->list[set->alloc].alloc_next; return 1; } int setNext(set_t * set, ITEM_TYPE * item) { if (set->trace == -1) return 0; *item = set->list[set->trace].val; set->trace = set->list[set->trace].alloc_next; return 1; } int setDestroy(set_t * set) { drm_free(set, sizeof(set_t), DRM_MEM_DRIVER); return 1; } /* * GLX Hardware Device Driver common code * Copyright (C) 1999 Wittawat Yamwong * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ #define ISFREE(bptr) ((bptr)->free) memHeap_t *mmInit(int ofs, int size) { PMemBlock blocks; if (size <= 0) return NULL; blocks = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER); if (blocks != NULL) { blocks->ofs = ofs; blocks->size = size; blocks->free = 1; return (memHeap_t *) blocks; } else return NULL; } /* Checks if a pointer 'b' is part of the heap 'heap' */ int mmBlockInHeap(memHeap_t * heap, PMemBlock b) { TMemBlock *p; if (heap == NULL || b == NULL) return 0; p = heap; while (p != NULL && p != b) { p = p->next; } if (p == b) return 1; else return 0; } static TMemBlock *SliceBlock(TMemBlock * p, int startofs, int size, int reserved, int alignment) { TMemBlock *newblock; /* break left */ if (startofs > p->ofs) { newblock = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER); newblock->ofs = startofs; newblock->size = p->size - (startofs - p->ofs); newblock->free = 1; newblock->next = p->next; p->size -= newblock->size; p->next = newblock; p = newblock; } /* break right */ if (size < p->size) { newblock = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER); newblock->ofs = startofs + size; newblock->size = p->size - size; newblock->free = 1; newblock->next = p->next; p->size = size; p->next = newblock; } /* p = middle block */ p->align = alignment; p->free = 0; p->reserved = reserved; return p; } PMemBlock mmAllocMem(memHeap_t * heap, int size, int align2, int startSearch) { int mask, startofs, endofs; TMemBlock *p; if (heap == NULL || align2 < 0 || size <= 0) return NULL; mask = (1 << align2) - 1; startofs = 0; p = (TMemBlock *) heap; while (p != NULL) { if (ISFREE(p)) { startofs = (p->ofs + mask) & ~mask; if (startofs < startSearch) { startofs = startSearch; } endofs = startofs + size; if (endofs <= (p->ofs + p->size)) break; } p = p->next; } if (p == NULL) return NULL; p = SliceBlock(p, startofs, size, 0, mask + 1); p->heap = heap; return p; } static __inline__ int Join2Blocks(TMemBlock * p) { if (p->free && p->next && p->next->free) { TMemBlock *q = p->next; p->size += q->size; p->next = q->next; drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER); return 1; } return 0; } int mmFreeMem(PMemBlock b) { TMemBlock *p, *prev; if (b == NULL) return 0; if (b->heap == NULL) return -1; p = b->heap; prev = NULL; while (p != NULL && p != b) { prev = p; p = p->next; } if (p == NULL || p->free || p->reserved) return -1; p->free = 1; Join2Blocks(p); if (prev) Join2Blocks(prev); return 0; } '>130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 
/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/


#define HAVE_STDINT_H
#define _FILE_OFFSET_BITS 64

#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "internal.h"

#include <sys/mman.h>
#include "xf86drm.h"
#include "vmwgfx_drm.h"

struct vmwgfx_bo
{
	struct kms_bo base;
	uint64_t map_handle;
	unsigned map_count;
};

static int
vmwgfx_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
{
	switch (key) {
	case KMS_BO_TYPE:
		*out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int
vmwgfx_destroy(struct kms_driver *kms)
{
	free(kms);
	return 0;
}

static int
vmwgfx_bo_create(struct kms_driver *kms,
		 const unsigned width, const unsigned height,
		 const enum kms_bo_type type, const unsigned *attr,
		 struct kms_bo **out)
{
	struct vmwgfx_bo *bo;
	int i, ret;

	for (i = 0; attr[i]; i += 2) {
		switch (attr[i]) {
		case KMS_WIDTH:
		case KMS_HEIGHT:
		case KMS_BO_TYPE:
			break;
		default:
			return -EINVAL;
		}
	}

	bo = calloc(1, sizeof(*bo));
	if (!bo)
		return -EINVAL;

	{
		union drm_vmw_alloc_dmabuf_arg arg;
		struct drm_vmw_alloc_dmabuf_req *req = &arg.req;
		struct drm_vmw_dmabuf_rep *rep = &arg.rep;

		memset(&arg, 0, sizeof(arg));
		req->size = width * height * 4;
		bo->base.size = req->size;
		bo->base.pitch = width * 4;
		bo->base.kms = kms;

		do {
			ret = drmCommandWriteRead(bo->base.kms->fd,
						  DRM_VMW_ALLOC_DMABUF,
						  &arg, sizeof(arg));
		} while (ret == -ERESTART);

		if (ret)
			goto err_free;

		bo->base.handle = rep->handle;
		bo->map_handle = rep->map_handle;
		bo->base.handle = rep->cur_gmr_id;
		bo->base.offset = rep->cur_gmr_offset;
	}

	*out = &bo->base;

	return 0;

err_free:
	free(bo);
	return ret;
}

static int
vmwgfx_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
{
	switch (key) {
	default:
		return -EINVAL;
	}
}

static int
vmwgfx_bo_map(struct kms_bo *_bo, void **out)
{
	struct vmwgfx_bo *bo = (struct vmwgfx_bo *)_bo;
	void *map;

	if (bo->base.ptr) {
		bo->map_count++;
		*out = bo->base.ptr;
		return 0;
	}

	map = mmap(NULL, bo->base.size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->base.kms->fd, bo->map_handle);
	if (map == MAP_FAILED)
		return -errno;

	bo->base.ptr = map;
	bo->map_count++;
	*out = bo->base.ptr;

	return 0;
}

static int
vmwgfx_bo_unmap(struct kms_bo *_bo)
{
	struct vmwgfx_bo *bo = (struct vmwgfx_bo *)_bo;
	bo->map_count--;
	return 0;
}

static int
vmwgfx_bo_destroy(struct kms_bo *_bo)
{
	struct vmwgfx_bo *bo = (struct vmwgfx_bo *)_bo;
	struct drm_vmw_unref_dmabuf_arg arg;

	if (bo->base.ptr) {
		/* XXX Sanity check map_count */
		munmap(bo->base.ptr, bo->base.size);
		bo->base.ptr = NULL;
	}

	memset(&arg, 0, sizeof(arg));
	arg.handle = bo->base.handle;
	drmCommandWrite(bo->base.kms->fd, DRM_VMW_UNREF_DMABUF, &arg, sizeof(arg));

	free(bo);
	return 0;
}

int
vmwgfx_create(int fd, struct kms_driver **out)
{
	struct kms_driver *kms;

	kms = calloc(1, sizeof(*kms));
	if (!kms)
		return -ENOMEM;

	kms->fd = fd;

	kms->bo_create = vmwgfx_bo_create;
	kms->bo_map = vmwgfx_bo_map;
	kms->bo_unmap = vmwgfx_bo_unmap;
	kms->bo_get_prop = vmwgfx_bo_get_prop;
	kms->bo_destroy = vmwgfx_bo_destroy;
	kms->get_prop = vmwgfx_get_prop;
	kms->destroy = vmwgfx_destroy;
	*out = kms;
	return 0;
}
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