#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; 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); 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