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Diffstat (limited to 'include/asm-s390/irqextras390.h')
| -rw-r--r-- | include/asm-s390/irqextras390.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/include/asm-s390/irqextras390.h b/include/asm-s390/irqextras390.h new file mode 100644 index 000000000..0ca2f718a --- /dev/null +++ b/include/asm-s390/irqextras390.h @@ -0,0 +1,151 @@ +/* + * include/asm-s390/irqextras390.h + * + * S390 version + * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) + */ + +#ifndef __irqextras390_h +#define __irqextras390_h + +/* + irqextras390.h by D.J. Barrow + if you are a bitfield fan & are paranoid that ansi dosen't + give hard definitions about the size of an int or long you might + prefer these definitions as an alternative. + +*/ + +#include <linux/types.h> + +typedef struct +{ + unsigned key:4; + unsigned s:1; + unsigned l:1; + unsigned cc:2; + unsigned f:1; + unsigned p:1; + unsigned i:1; + unsigned a:1; + unsigned u:1; + unsigned z:1; + unsigned e:1; + unsigned n:1; + unsigned zero:1; + + unsigned fc_start:1; + unsigned fc_halt:1; + unsigned fc_clear:1; + + unsigned ac_resume_pending:1; + unsigned ac_start_pending:1; + unsigned ac_halt_pending:1; + unsigned ac_clear_pending:1; + unsigned ac_subchannel_active:1; + unsigned ac_device_active:1; + unsigned ac_suspended:1; + + unsigned sc_alert:1; + unsigned sc_intermediate:1; + unsigned sc_primary:1; + unsigned sc_seconary:1; + unsigned sc_status_pending:1; + + __u32 ccw_address; + + unsigned dev_status_attention:1; + unsigned dev_status_modifier:1; + unsigned dev_status_control_unit_end:1; + unsigned dev_status_busy:1; + unsigned dev_status_channel_end:1; + unsigned dev_status_device_end:1; + unsigned dev_status_unit_check:1; + unsigned dev_status_unit_exception:1; + + unsigned sch_status_program_cont_int:1; + unsigned sch_status_incorrect_length:1; + unsigned sch_status_program_check:1; + unsigned sch_status_protection_check:1; + unsigned sch_status_channel_data_check:1; + unsigned sch_status_channel_control_check:1; + unsigned sch_status_interface_control_check:1; + unsigned sch_status_chaining_check:1; + + __u16 byte_count; +} scsw_bits_t __attribute__((packed)); + +typedef struct +{ + __u32 flags; + __u32 ccw_address; + __u8 dev_status; + __u8 sch_status; + __u16 byte_count; +} scsw_words_t __attribute__((packed)); + +typedef struct +{ + __u8 cmd_code; + + unsigned cd:1; + unsigned cc:1; + unsigned sli:1; + unsigned skip:1; + unsigned pci:1; + unsigned ida:1; + unsigned s:1; + unsigned res1:1; + + __u16 count; + + void *ccw_data_address; +} ccw1_bits_t __attribute__((packed,aligned(8))); + +typedef struct +{ + __u32 interruption_parm; + unsigned key:4; + unsigned s:1; + unsigned res1:3; + unsigned f:1; + unsigned p:1; + unsigned i:1; + unsigned a:1; + unsigned u:1; + __u8 lpm; + unsigned l:1; + unsigned res2:7; + ccw1_bits_t *ccw_program_address; +} orb_bits_t __attribute__((packed)); + +void fixchannelprogram(orb_bits_t *orbptr); +void fixccws(ccw1_bits_t *ccwptr); +enum +{ + ccw_write=0x1, + ccw_read=0x2, + ccw_read_backward=0xc, + ccw_control=0x3, + ccw_sense=0x4, + ccw_sense_id=0xe4, + ccw_transfer_in_channel0=0x8, + ccw_transfer_in_channel1=0x8, + ccw_set_x_mode=0xc3, // according to uli's lan notes + ccw_nop=0x3 // according to uli's notes again + // n.b. ccw_control clashes with this + // so I presume its a special case of + // control +}; + + + +#endif + + + + + + + |