Imported Upstream version 16.04

[deb_dpdk.git] / lib / librte_eal / linuxapp / xen_dom0 / dom0_mm_dev.h

diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
new file mode 100644 (file)
index 0000000..9d5ffb2
--- /dev/null
+++ b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
@@ -0,0 +1,107 @@
+/*-
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ *   redistributing this file, you may do so under either license.
+ *
+ *   GPL LICENSE SUMMARY
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of version 2 of the GNU General Public License as
+ *   published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *   General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *   The full GNU General Public License is included in this distribution
+ *   in the file called LICENSE.GPL.
+ *
+ *   Contact Information:
+ *   Intel Corporation
+ *
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef _DOM0_MM_DEV_H_
+#define _DOM0_MM_DEV_H_
+
+#include <linux/wait.h>
+#include <linux/mutex.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <exec-env/rte_dom0_common.h>
+
+#define NUM_MEM_CTX     256  /**< Maximum number of memory context*/
+#define MAX_EXCHANGE_FAIL_TIME 5  /**< Maximum times of allowing exchange fail .*/
+#define MAX_MEMBLOCK_SIZE (2 * DOM0_MEMBLOCK_SIZE)
+#define MAX_NUM_ORDER     (DOM0_CONTIG_NUM_ORDER + 1)
+#define SIZE_PER_BLOCK    2       /**< Size of memory block (2MB).*/
+
+/**
+ * A structure describing the private information for a dom0 device.
+ */
+struct dom0_mm_dev {
+       struct miscdevice miscdev;
+       uint8_t fail_times;
+       uint32_t used_memsize;
+       uint32_t num_mem_ctx;
+       uint32_t config_memsize;
+       uint32_t num_bigblock;
+       struct  dom0_mm_data *mm_data[NUM_MEM_CTX];
+       struct mutex data_lock;
+};
+
+struct dom0_mm_data{
+       uint32_t refcnt;
+       uint32_t num_memseg; /**< Number of memory segment. */
+       uint32_t mem_size;   /**< Size of requesting memory. */
+
+       char name[DOM0_NAME_MAX];
+
+       /** Store global memory block IDs used by an instance */
+       uint32_t block_num[DOM0_NUM_MEMBLOCK];
+
+       /** Store memory block information.*/
+       struct memblock_info block_info[DOM0_NUM_MEMBLOCK];
+
+       /** Store memory segment information.*/
+       struct memseg_info  seg_info[DOM0_NUM_MEMSEG];
+};
+
+#define XEN_ERR(args...) printk(KERN_DEBUG "XEN_DOM0: Error: " args)
+#define XEN_PRINT(args...) printk(KERN_DEBUG "XEN_DOM0: " args)
+#endif