1 #ifndef TARGET_CORE_RD_H
2 #define TARGET_CORE_RD_H
4 #define RD_HBA_VERSION "v4.0"
5 #define RD_MCP_VERSION "4.0"
7 /* Largest piece of memory kmalloc can allocate */
8 #define RD_MAX_ALLOCATION_SIZE 65536
9 #define RD_DEVICE_QUEUE_DEPTH 32
10 #define RD_MAX_DEVICE_QUEUE_DEPTH 128
11 #define RD_BLOCKSIZE 512
13 /* Used in target_core_init_configfs() for virtual LUN 0 access */
14 int __init
rd_module_init(void);
15 void rd_module_exit(void);
17 struct rd_dev_sg_table
{
18 u32 page_start_offset
;
21 struct scatterlist
*sg_table
;
22 } ____cacheline_aligned
;
24 #define RDF_HAS_PAGE_COUNT 0x01
25 #define RDF_NULLIO 0x02
30 /* Unique Ramdisk Device ID in Ramdisk HBA */
32 /* Total page count for ramdisk device */
34 /* Number of SG tables in sg_table_array */
36 /* Number of SG tables in sg_prot_array */
38 /* Array of rd_dev_sg_table_t containing scatterlists */
39 struct rd_dev_sg_table
*sg_table_array
;
40 /* Array of rd_dev_sg_table containing protection scatterlists */
41 struct rd_dev_sg_table
*sg_prot_array
;
42 /* Ramdisk HBA device is connected to */
43 struct rd_host
*rd_host
;
44 } ____cacheline_aligned
;
47 u32 rd_host_dev_id_count
;
48 u32 rd_host_id
; /* Unique Ramdisk Host ID */
49 } ____cacheline_aligned
;
51 #endif /* TARGET_CORE_RD_H */
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