intel: add intel_dev and intel_queue

These will be our internal representations of XGL_DEVICE and XGL_QUEUE.
diff --git a/icd/intel/dev.c b/icd/intel/dev.c
new file mode 100644
index 0000000..2b22da0
--- /dev/null
+++ b/icd/intel/dev.c
@@ -0,0 +1,298 @@
+/*
+ * XGL
+ *
+ * Copyright (C) 2014 LunarG, Inc.
+ *
+ * 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#include "kmd/winsys.h"
+#include "dispatch_tables.h"
+#include "gpu.h"
+#include "dev.h"
+
+static struct intel_queue *queue_create(struct intel_dev *dev,
+                                        XGL_QUEUE_TYPE type)
+{
+    struct intel_queue *queue;
+
+    queue = icd_alloc(sizeof(*queue), 0, XGL_SYSTEM_ALLOC_API_OBJECT);
+    if (!queue)
+        return NULL;
+
+    memset(queue, 0, sizeof(*queue));
+    queue->dev = dev;
+
+    queue->base.dispatch = dev->base.dispatch;
+    if (dev->base.dbg) {
+        queue->base.dbg =
+            intel_base_dbg_create(XGL_DBG_OBJECT_QUEUE, NULL, 0);
+        if (!queue->base.dbg) {
+            icd_free(queue);
+            return NULL;
+        }
+    }
+
+    return queue;
+}
+
+static void queue_destroy(struct intel_queue *queue)
+{
+    if (queue->base.dbg)
+        intel_base_dbg_destroy(queue->base.dbg);
+    icd_free(queue);
+}
+
+static struct intel_dev_dbg *dev_dbg_create(const XGL_DEVICE_CREATE_INFO *info)
+{
+    struct intel_dev_dbg *dbg;
+
+    dbg = icd_alloc(sizeof(*dbg), 0, XGL_SYSTEM_ALLOC_DEBUG);
+    if (!dbg)
+        return NULL;
+
+    memset(dbg, 0, sizeof(*dbg));
+
+    if (!intel_base_dbg_init(&dbg->base, XGL_DBG_OBJECT_DEVICE,
+            info, sizeof(*info))) {
+        icd_free(dbg);
+        return NULL;
+    }
+
+    return dbg;
+}
+
+static void dev_dbg_destroy(struct intel_dev_dbg *dbg)
+{
+    struct intel_dev_dbg_msg_filter *filter;
+
+    filter = dbg->filters;
+    while (filter) {
+        struct intel_dev_dbg_msg_filter *next = filter->next;
+        icd_free(filter);
+        filter = next;
+    }
+
+    intel_base_dbg_cleanup(&dbg->base);
+    icd_free(dbg);
+}
+
+static XGL_RESULT dev_create_queues(struct intel_dev *dev,
+                                    const XGL_DEVICE_QUEUE_CREATE_INFO *queues,
+                                    XGL_UINT count)
+{
+    XGL_UINT i;
+
+    if (!count)
+        return XGL_ERROR_INVALID_POINTER;
+
+    for (i = 0; i < count; i++) {
+        const XGL_DEVICE_QUEUE_CREATE_INFO *q = &queues[i];
+        XGL_RESULT ret = XGL_SUCCESS;
+
+        if (q->queueNodeIndex >= INTEL_GPU_ENGINE_COUNT ||
+            q->queueCount > 1 ||
+            dev->queues[q->queueNodeIndex]) {
+            ret = XGL_ERROR_INVALID_POINTER;
+        }
+        else {
+            dev->queues[q->queueNodeIndex] =
+                queue_create(dev, q->queueNodeIndex);
+            if (!dev->queues[q->queueNodeIndex])
+                ret = XGL_ERROR_OUT_OF_MEMORY;
+        }
+
+        if (ret != XGL_SUCCESS) {
+            XGL_UINT j;
+            for (j = 0; j < i; j++)
+                queue_destroy(dev->queues[j]);
+
+            return ret;
+        }
+    }
+
+    return XGL_SUCCESS;
+}
+
+XGL_RESULT intel_dev_create(struct intel_gpu *gpu,
+                            const XGL_DEVICE_CREATE_INFO *info,
+                            struct intel_dev **dev_ret)
+{
+    const struct icd_dispatch_table *dispatch;
+    struct intel_dev_dbg *dbg;
+    struct intel_dev *dev;
+    XGL_RESULT ret;
+
+    if (info->extensionCount)
+        return XGL_ERROR_INVALID_EXTENSION;
+
+    if (gpu->fd >= 0)
+        return XGL_ERROR_DEVICE_ALREADY_CREATED;
+
+    dev = icd_alloc(sizeof(*dev), 0, XGL_SYSTEM_ALLOC_API_OBJECT);
+    if (!dev)
+        return XGL_ERROR_OUT_OF_MEMORY;
+
+    memset(dev, 0, sizeof(*dev));
+    dev->gpu = gpu;
+
+    ret = intel_gpu_open(gpu);
+    if (ret != XGL_SUCCESS) {
+        intel_dev_destroy(dev);
+        return ret;
+    }
+
+    dev->winsys = intel_winsys_create_for_fd(gpu->fd);
+    if (!dev->winsys) {
+        icd_log(XGL_DBG_MSG_ERROR, XGL_VALIDATION_LEVEL_0, XGL_NULL_HANDLE,
+                0, 0, "failed to create device winsys for %s", gpu->path);
+        intel_dev_destroy(dev);
+        return XGL_ERROR_UNKNOWN;
+    }
+
+    ret = dev_create_queues(dev, info->pRequestedQueues,
+            info->queueRecordCount);
+    if (ret != XGL_SUCCESS) {
+        intel_dev_destroy(dev);
+        return ret;
+    }
+
+    if (info->flags & XGL_DEVICE_CREATE_VALIDATION_BIT) {
+        dispatch = &intel_debug_dispatch_table;
+        dbg = dev_dbg_create(info);
+
+        if (!dbg) {
+            icd_log(XGL_DBG_MSG_ERROR, XGL_VALIDATION_LEVEL_0,
+                    XGL_NULL_HANDLE, 0, 0,
+                    "failed to create device debug layer for %s", gpu->path);
+            return XGL_ERROR_OUT_OF_MEMORY;
+        }
+    } else {
+        dispatch = &intel_normal_dispatch_table;
+        dbg = NULL;
+    }
+
+    dev->base.dispatch = dispatch;
+    dev->base.dbg = &dbg->base;
+
+    *dev_ret = dev;
+
+    return XGL_SUCCESS;
+}
+
+void intel_dev_destroy(struct intel_dev *dev)
+{
+    XGL_UINT i;
+
+    if (dev->base.dbg)
+        dev_dbg_destroy((struct intel_dev_dbg *) dev->base.dbg);
+
+    for (i = 0; i < ARRAY_SIZE(dev->queues); i++) {
+        if (dev->queues[i])
+            queue_destroy(dev->queues[i]);
+    }
+
+    if (dev->winsys)
+        intel_winsys_destroy(dev->winsys);
+
+    if (dev->gpu->fd >= 0)
+        intel_gpu_close(dev->gpu);
+
+    icd_free(dev);
+}
+
+void intel_dev_get_heap_props(const struct intel_dev *dev,
+                              XGL_MEMORY_HEAP_PROPERTIES *props)
+{
+    props->structSize = sizeof(XGL_MEMORY_HEAP_PROPERTIES);
+
+    props->heapMemoryType = XGL_HEAP_MEMORY_LOCAL;
+
+    props->heapSize = 0xffffffff; /* TODO system memory size */
+
+    props->pageSize = 4096;
+    props->flags = XGL_MEMORY_HEAP_CPU_VISIBLE_BIT |
+                   XGL_MEMORY_HEAP_CPU_GPU_COHERENT_BIT |
+                   XGL_MEMORY_HEAP_CPU_WRITE_COMBINED_BIT |
+                   XGL_MEMORY_HEAP_HOLDS_PINNED_BIT |
+                   XGL_MEMORY_HEAP_SHAREABLE_BIT;
+
+    props->gpuReadPerfRating = 100.0f;
+    props->gpuWritePerfRating = 100.0f;
+    props->cpuReadPerfRating = 10.0f;
+    props->cpuWritePerfRating = 80.0f;
+}
+
+XGL_RESULT intel_dev_add_msg_filter(struct intel_dev *dev,
+                                    XGL_INT msg_code,
+                                    XGL_DBG_MSG_FILTER filter)
+{
+    struct intel_dev_dbg *dbg = intel_dev_dbg(dev);
+    struct intel_dev_dbg_msg_filter *f = dbg->filters;
+
+    assert(filter != XGL_DBG_MSG_FILTER_NONE);
+
+    while (f) {
+        if (f->msg_code == msg_code)
+            break;
+        f = f->next;
+    }
+
+    if (f) {
+        if (f->filter != filter) {
+            f->filter = filter;
+            f->triggered = false;
+        }
+    } else {
+        f = icd_alloc(sizeof(*f), 0, XGL_SYSTEM_ALLOC_DEBUG);
+        if (!f)
+            return XGL_ERROR_OUT_OF_MEMORY;
+
+        f->msg_code = msg_code;
+        f->filter = filter;
+        f->triggered = false;
+
+        f->next = dbg->filters;
+        dbg->filters = f;
+    }
+
+    return XGL_SUCCESS;
+}
+
+void intel_dev_remove_msg_filter(struct intel_dev *dev,
+                                 XGL_INT msg_code)
+{
+    struct intel_dev_dbg *dbg = intel_dev_dbg(dev);
+    struct intel_dev_dbg_msg_filter *f = dbg->filters, *prev = NULL;
+
+    while (f) {
+        if (f->msg_code == msg_code) {
+            if (prev)
+                prev->next = f->next;
+            else
+                dbg->filters = f->next;
+
+            icd_free(f);
+            break;
+        }
+
+        prev = f;
+        f = f->next;
+    }
+}