Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef S390_CHSC_H |
| 2 | #define S390_CHSC_H |
| 3 | |
Peter Oberparleiter | f86635f | 2007-04-27 16:01:26 +0200 | [diff] [blame] | 4 | #include <linux/types.h> |
| 5 | #include <linux/device.h> |
Peter Oberparleiter | e5854a5 | 2007-04-27 16:01:31 +0200 | [diff] [blame] | 6 | #include <asm/chpid.h> |
Peter Oberparleiter | 7ad6a24 | 2007-04-27 16:01:35 +0200 | [diff] [blame] | 7 | #include "schid.h" |
Peter Oberparleiter | f86635f | 2007-04-27 16:01:26 +0200 | [diff] [blame] | 8 | |
Cornelia Huck | fb6958a | 2006-01-06 00:19:25 -0800 | [diff] [blame] | 9 | #define CHSC_SDA_OC_MSS 0x2 |
| 10 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | struct chsc_header { |
| 12 | u16 length; |
| 13 | u16 code; |
Peter Oberparleiter | 0f008aa | 2007-02-05 21:17:40 +0100 | [diff] [blame] | 14 | } __attribute__ ((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | |
Cornelia Huck | 495a5b4 | 2006-03-24 03:15:14 -0800 | [diff] [blame] | 16 | #define NR_MEASUREMENT_CHARS 5 |
| 17 | struct cmg_chars { |
| 18 | u32 values[NR_MEASUREMENT_CHARS]; |
Peter Oberparleiter | 0f008aa | 2007-02-05 21:17:40 +0100 | [diff] [blame] | 19 | } __attribute__ ((packed)); |
Cornelia Huck | 495a5b4 | 2006-03-24 03:15:14 -0800 | [diff] [blame] | 20 | |
| 21 | #define NR_MEASUREMENT_ENTRIES 8 |
| 22 | struct cmg_entry { |
| 23 | u32 values[NR_MEASUREMENT_ENTRIES]; |
Peter Oberparleiter | 0f008aa | 2007-02-05 21:17:40 +0100 | [diff] [blame] | 24 | } __attribute__ ((packed)); |
Cornelia Huck | 495a5b4 | 2006-03-24 03:15:14 -0800 | [diff] [blame] | 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | struct channel_path_desc { |
| 27 | u8 flags; |
| 28 | u8 lsn; |
| 29 | u8 desc; |
| 30 | u8 chpid; |
| 31 | u8 swla; |
| 32 | u8 zeroes; |
| 33 | u8 chla; |
| 34 | u8 chpp; |
Peter Oberparleiter | 0f008aa | 2007-02-05 21:17:40 +0100 | [diff] [blame] | 35 | } __attribute__ ((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
Peter Oberparleiter | e6b6e10 | 2007-04-27 16:01:28 +0200 | [diff] [blame] | 37 | struct channel_path; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | struct css_general_char { |
| 40 | u64 : 41; |
| 41 | u32 aif : 1; /* bit 41 */ |
| 42 | u32 : 3; |
| 43 | u32 mcss : 1; /* bit 45 */ |
| 44 | u32 : 2; |
| 45 | u32 ext_mb : 1; /* bit 48 */ |
| 46 | u32 : 7; |
| 47 | u32 aif_tdd : 1; /* bit 56 */ |
Frank Pavlic | 8129ee1 | 2006-01-06 00:19:20 -0800 | [diff] [blame] | 48 | u32 : 1; |
| 49 | u32 qebsm : 1; /* bit 58 */ |
| 50 | u32 : 8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | u32 aif_osa : 1; /* bit 67 */ |
Peter Oberparleiter | 4f2bd92 | 2008-07-14 09:58:49 +0200 | [diff] [blame] | 52 | u32 : 20; |
| 53 | u32 fcx : 1; /* bit 88 */ |
| 54 | u32 : 7; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | }__attribute__((packed)); |
| 56 | |
| 57 | struct css_chsc_char { |
| 58 | u64 res; |
Cornelia Huck | 495a5b4 | 2006-03-24 03:15:14 -0800 | [diff] [blame] | 59 | u64 : 20; |
| 60 | u32 secm : 1; /* bit 84 */ |
| 61 | u32 : 1; |
| 62 | u32 scmc : 1; /* bit 86 */ |
| 63 | u32 : 20; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | u32 scssc : 1; /* bit 107 */ |
| 65 | u32 scsscf : 1; /* bit 108 */ |
| 66 | u32 : 19; |
| 67 | }__attribute__((packed)); |
| 68 | |
| 69 | extern struct css_general_char css_general_characteristics; |
| 70 | extern struct css_chsc_char css_chsc_characteristics; |
| 71 | |
Peter Oberparleiter | 7ad6a24 | 2007-04-27 16:01:35 +0200 | [diff] [blame] | 72 | struct chsc_ssd_info { |
| 73 | u8 path_mask; |
| 74 | u8 fla_valid_mask; |
| 75 | struct chp_id chpid[8]; |
| 76 | u16 fla[8]; |
| 77 | }; |
| 78 | extern int chsc_get_ssd_info(struct subchannel_id schid, |
| 79 | struct chsc_ssd_info *ssd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | extern int chsc_determine_css_characteristics(void); |
Cornelia Huck | 4434a38 | 2007-07-27 12:29:21 +0200 | [diff] [blame] | 81 | extern int chsc_alloc_sei_area(void); |
| 82 | extern void chsc_free_sei_area(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
Cornelia Huck | fb6958a | 2006-01-06 00:19:25 -0800 | [diff] [blame] | 84 | extern int chsc_enable_facility(int); |
Cornelia Huck | 495a5b4 | 2006-03-24 03:15:14 -0800 | [diff] [blame] | 85 | struct channel_subsystem; |
| 86 | extern int chsc_secm(struct channel_subsystem *, int); |
Cornelia Huck | fb6958a | 2006-01-06 00:19:25 -0800 | [diff] [blame] | 87 | |
Peter Oberparleiter | e6b6e10 | 2007-04-27 16:01:28 +0200 | [diff] [blame] | 88 | int chsc_chp_vary(struct chp_id chpid, int on); |
| 89 | int chsc_determine_channel_path_description(struct chp_id chpid, |
| 90 | struct channel_path_desc *desc); |
Peter Oberparleiter | 83b3370 | 2007-04-27 16:01:34 +0200 | [diff] [blame] | 91 | void chsc_chp_online(struct chp_id chpid); |
Peter Oberparleiter | e6b6e10 | 2007-04-27 16:01:28 +0200 | [diff] [blame] | 92 | void chsc_chp_offline(struct chp_id chpid); |
| 93 | int chsc_get_channel_measurement_chars(struct channel_path *chp); |
Cornelia Huck | a28c694 | 2006-01-06 00:19:23 -0800 | [diff] [blame] | 94 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | #endif |