Commit | Line | Data |
---|---|---|
c66ac9db NB |
1 | #ifndef TARGET_CORE_RD_H |
2 | #define TARGET_CORE_RD_H | |
3 | ||
4 | #define RD_HBA_VERSION "v4.0" | |
c66ac9db NB |
5 | #define RD_MCP_VERSION "4.0" |
6 | ||
7 | /* Largest piece of memory kmalloc can allocate */ | |
8 | #define RD_MAX_ALLOCATION_SIZE 65536 | |
c66ac9db NB |
9 | #define RD_DEVICE_QUEUE_DEPTH 32 |
10 | #define RD_MAX_DEVICE_QUEUE_DEPTH 128 | |
11 | #define RD_BLOCKSIZE 512 | |
c66ac9db | 12 | |
c66ac9db NB |
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); | |
16 | ||
c66ac9db NB |
17 | struct rd_dev_sg_table { |
18 | u32 page_start_offset; | |
19 | u32 page_end_offset; | |
20 | u32 rd_sg_count; | |
21 | struct scatterlist *sg_table; | |
22 | } ____cacheline_aligned; | |
23 | ||
24 | #define RDF_HAS_PAGE_COUNT 0x01 | |
52c07423 | 25 | #define RDF_NULLIO 0x02 |
c66ac9db NB |
26 | |
27 | struct rd_dev { | |
0fd97ccf | 28 | struct se_device dev; |
c66ac9db NB |
29 | u32 rd_flags; |
30 | /* Unique Ramdisk Device ID in Ramdisk HBA */ | |
31 | u32 rd_dev_id; | |
32 | /* Total page count for ramdisk device */ | |
33 | u32 rd_page_count; | |
34 | /* Number of SG tables in sg_table_array */ | |
35 | u32 sg_table_count; | |
c66ac9db NB |
36 | /* Array of rd_dev_sg_table_t containing scatterlists */ |
37 | struct rd_dev_sg_table *sg_table_array; | |
38 | /* Ramdisk HBA device is connected to */ | |
39 | struct rd_host *rd_host; | |
40 | } ____cacheline_aligned; | |
41 | ||
42 | struct rd_host { | |
43 | u32 rd_host_dev_id_count; | |
44 | u32 rd_host_id; /* Unique Ramdisk Host ID */ | |
45 | } ____cacheline_aligned; | |
46 | ||
47 | #endif /* TARGET_CORE_RD_H */ |