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Commit | Line | Data |
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c66ac9db NB |
1 | #ifndef TARGET_CORE_RD_H |
2 | #define TARGET_CORE_RD_H | |
3 | ||
8dcf07be BVA |
4 | #include <linux/module.h> |
5 | #include <linux/types.h> | |
6 | #include <target/target_core_base.h> | |
7 | ||
c66ac9db | 8 | #define RD_HBA_VERSION "v4.0" |
c66ac9db NB |
9 | #define RD_MCP_VERSION "4.0" |
10 | ||
11 | /* Largest piece of memory kmalloc can allocate */ | |
12 | #define RD_MAX_ALLOCATION_SIZE 65536 | |
c66ac9db NB |
13 | #define RD_DEVICE_QUEUE_DEPTH 32 |
14 | #define RD_MAX_DEVICE_QUEUE_DEPTH 128 | |
15 | #define RD_BLOCKSIZE 512 | |
c66ac9db | 16 | |
c66ac9db NB |
17 | /* Used in target_core_init_configfs() for virtual LUN 0 access */ |
18 | int __init rd_module_init(void); | |
19 | void rd_module_exit(void); | |
20 | ||
c66ac9db NB |
21 | struct rd_dev_sg_table { |
22 | u32 page_start_offset; | |
23 | u32 page_end_offset; | |
24 | u32 rd_sg_count; | |
25 | struct scatterlist *sg_table; | |
26 | } ____cacheline_aligned; | |
27 | ||
28 | #define RDF_HAS_PAGE_COUNT 0x01 | |
52c07423 | 29 | #define RDF_NULLIO 0x02 |
c66ac9db NB |
30 | |
31 | struct rd_dev { | |
0fd97ccf | 32 | struct se_device dev; |
c66ac9db NB |
33 | u32 rd_flags; |
34 | /* Unique Ramdisk Device ID in Ramdisk HBA */ | |
35 | u32 rd_dev_id; | |
36 | /* Total page count for ramdisk device */ | |
37 | u32 rd_page_count; | |
38 | /* Number of SG tables in sg_table_array */ | |
39 | u32 sg_table_count; | |
d7e8eb5d NB |
40 | /* Number of SG tables in sg_prot_array */ |
41 | u32 sg_prot_count; | |
c66ac9db NB |
42 | /* Array of rd_dev_sg_table_t containing scatterlists */ |
43 | struct rd_dev_sg_table *sg_table_array; | |
d7e8eb5d NB |
44 | /* Array of rd_dev_sg_table containing protection scatterlists */ |
45 | struct rd_dev_sg_table *sg_prot_array; | |
c66ac9db NB |
46 | /* Ramdisk HBA device is connected to */ |
47 | struct rd_host *rd_host; | |
48 | } ____cacheline_aligned; | |
49 | ||
50 | struct rd_host { | |
51 | u32 rd_host_dev_id_count; | |
52 | u32 rd_host_id; /* Unique Ramdisk Host ID */ | |
53 | } ____cacheline_aligned; | |
54 | ||
55 | #endif /* TARGET_CORE_RD_H */ |