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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/s390/cio/chsc.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/s390/cio/chsc.h')
-rw-r--r-- | drivers/s390/cio/chsc.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h new file mode 100644 index 00000000..3f15b2aa --- /dev/null +++ b/drivers/s390/cio/chsc.h @@ -0,0 +1,121 @@ +#ifndef S390_CHSC_H +#define S390_CHSC_H + +#include <linux/types.h> +#include <linux/device.h> +#include <asm/chpid.h> +#include <asm/chsc.h> +#include <asm/schid.h> + +#define CHSC_SDA_OC_MSS 0x2 + +struct chsc_header { + u16 length; + u16 code; +} __attribute__ ((packed)); + +#define NR_MEASUREMENT_CHARS 5 +struct cmg_chars { + u32 values[NR_MEASUREMENT_CHARS]; +} __attribute__ ((packed)); + +#define NR_MEASUREMENT_ENTRIES 8 +struct cmg_entry { + u32 values[NR_MEASUREMENT_ENTRIES]; +} __attribute__ ((packed)); + +struct channel_path_desc { + u8 flags; + u8 lsn; + u8 desc; + u8 chpid; + u8 swla; + u8 zeroes; + u8 chla; + u8 chpp; +} __attribute__ ((packed)); + +struct channel_path_desc_fmt1 { + u8 flags; + u8 lsn; + u8 desc; + u8 chpid; + u32:24; + u8 chpp; + u32 unused[3]; + u16 mdc; + u16:13; + u8 r:1; + u8 s:1; + u8 f:1; + u32 zeros[2]; +} __attribute__ ((packed)); + +struct channel_path; + +struct css_chsc_char { + u64 res; + u64 : 20; + u32 secm : 1; /* bit 84 */ + u32 : 1; + u32 scmc : 1; /* bit 86 */ + u32 : 20; + u32 scssc : 1; /* bit 107 */ + u32 scsscf : 1; /* bit 108 */ + u32 : 19; +}__attribute__((packed)); + +extern struct css_chsc_char css_chsc_characteristics; + +struct chsc_ssd_info { + u8 path_mask; + u8 fla_valid_mask; + struct chp_id chpid[8]; + u16 fla[8]; +}; + +struct chsc_scpd { + struct chsc_header request; + u32:2; + u32 m:1; + u32 c:1; + u32 fmt:4; + u32 cssid:8; + u32:4; + u32 rfmt:4; + u32 first_chpid:8; + u32:24; + u32 last_chpid:8; + u32 zeroes1; + struct chsc_header response; + u8 data[PAGE_SIZE - 20]; +} __attribute__ ((packed)); + + +extern int chsc_get_ssd_info(struct subchannel_id schid, + struct chsc_ssd_info *ssd); +extern int chsc_determine_css_characteristics(void); +extern int chsc_init(void); +extern void chsc_init_cleanup(void); + +extern int chsc_enable_facility(int); +struct channel_subsystem; +extern int chsc_secm(struct channel_subsystem *, int); +int __chsc_do_secm(struct channel_subsystem *css, int enable); + +int chsc_chp_vary(struct chp_id chpid, int on); +int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt, + int c, int m, void *page); +int chsc_determine_base_channel_path_desc(struct chp_id chpid, + struct channel_path_desc *desc); +int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid, + struct channel_path_desc_fmt1 *desc); +void chsc_chp_online(struct chp_id chpid); +void chsc_chp_offline(struct chp_id chpid); +int chsc_get_channel_measurement_chars(struct channel_path *chp); + +int chsc_error_from_response(int response); + +int chsc_siosl(struct subchannel_id schid); + +#endif |