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59 #ifndef _DOM0_MM_DEV_H_
60 #define _DOM0_MM_DEV_H_
62 #include <linux/wait.h>
63 #include <linux/mutex.h>
64 #include <linux/sched.h>
65 #include <linux/spinlock.h>
66 #include <exec-env/rte_dom0_common.h>
68 #define NUM_MEM_CTX 256 /**< Maximum number of memory context*/
69 #define MAX_EXCHANGE_FAIL_TIME 5 /**< Maximum times of allowing exchange fail .*/
70 #define MAX_MEMBLOCK_SIZE (2 * DOM0_MEMBLOCK_SIZE)
71 #define MAX_NUM_ORDER (DOM0_CONTIG_NUM_ORDER + 1)
72 #define SIZE_PER_BLOCK 2 /**< Size of memory block (2MB).*/
75 * A structure describing the private information for a dom0 device.
78 struct miscdevice miscdev;
80 uint32_t used_memsize;
82 uint32_t config_memsize;
83 uint32_t num_bigblock;
84 struct dom0_mm_data *mm_data[NUM_MEM_CTX];
85 struct mutex data_lock;
90 uint32_t num_memseg; /**< Number of memory segment. */
91 uint32_t mem_size; /**< Size of requesting memory. */
93 char name[DOM0_NAME_MAX];
95 /** Store global memory block IDs used by an instance */
96 uint32_t block_num[DOM0_NUM_MEMBLOCK];
98 /** Store memory block information.*/
99 struct memblock_info block_info[DOM0_NUM_MEMBLOCK];
101 /** Store memory segment information.*/
102 struct memseg_info seg_info[DOM0_NUM_MEMSEG];
105 #define XEN_ERR(args...) printk(KERN_DEBUG "XEN_DOM0: Error: " args)
106 #define XEN_PRINT(args...) printk(KERN_DEBUG "XEN_DOM0: " args)