diff options
Diffstat (limited to 'src/dpdk_lib18/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h')
| -rwxr-xr-x | src/dpdk_lib18/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h b/src/dpdk_lib18/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h new file mode 100755 index 00000000..a9dd0d26 --- /dev/null +++ b/src/dpdk_lib18/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 per 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 |