diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-10 19:48:33 +0900 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-10 19:48:33 +0900 |
commit | e1b28147f684af67bfac989756c27c19859d3d4e (patch) | |
tree | 11b09d6801b94acf4511b06fb36933e3a163329a /arch/s390/include/asm/cmb.h | |
parent | ba7067651083bdcc37223d8879478cbc51cca923 (diff) | |
parent | ab08ff34b44f752b664ebb312d2e110cf37a7f5e (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull second s390 update from Martin Schwidefsky:
"The big thing in this pull request is the UAPI patch from David, and
worth mentioning is the page table dumper. The rest are small
improvements and bug fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/entry: fix svc number for TIF_SYSCALL system call restart
s390/mm,vmem: fix vmem_add_mem()/vmem_remove_range()
s390/vmalloc: have separate modules area
s390/zcrypt: remove duplicated include from zcrypt_pcixcc.c
s390/css_chars: remove superfluous ifdef
s390/chsc: make headers usable
s390/mm: let kernel text section always begin at 1MB
s390/mm: fix mapping of read-only kernel text section
s390/mm: add page table dumper
s390: add support to start the kernel in 64 bit mode.
s390/mm,pageattr: remove superfluous EXPORT_SYMBOLs
s390/mm,pageattr: add more page table walk sanity checks
s390/mm: fix pmd_huge() usage for kernel mapping
s390/dcssblk: cleanup device attribute usage
s390/mm: use pfmf instruction to initialize storage keys
s390/facilities: cleanup PFMF and HPAGE machine facility detection
UAPI: (Scripted) Disintegrate arch/s390/include/asm
Diffstat (limited to 'arch/s390/include/asm/cmb.h')
-rw-r--r-- | arch/s390/include/asm/cmb.h | 51 |
1 files changed, 1 insertions, 50 deletions
diff --git a/arch/s390/include/asm/cmb.h b/arch/s390/include/asm/cmb.h index 39ae03294794..806eac12e3bd 100644 --- a/arch/s390/include/asm/cmb.h +++ b/arch/s390/include/asm/cmb.h @@ -1,61 +1,12 @@ #ifndef S390_CMB_H #define S390_CMB_H -#include <linux/types.h> +#include <uapi/asm/cmb.h> -/** - * struct cmbdata - channel measurement block data for user space - * @size: size of the stored data - * @elapsed_time: time since last sampling - * @ssch_rsch_count: number of ssch and rsch - * @sample_count: number of samples - * @device_connect_time: time of device connect - * @function_pending_time: time of function pending - * @device_disconnect_time: time of device disconnect - * @control_unit_queuing_time: time of control unit queuing - * @device_active_only_time: time of device active only - * @device_busy_time: time of device busy (ext. format) - * @initial_command_response_time: initial command response time (ext. format) - * - * All values are stored as 64 bit for simplicity, especially - * in 32 bit emulation mode. All time values are normalized to - * nanoseconds. - * Currently, two formats are known, which differ by the size of - * this structure, i.e. the last two members are only set when - * the extended channel measurement facility (first shipped in - * z990 machines) is activated. - * Potentially, more fields could be added, which would result in a - * new ioctl number. - */ -struct cmbdata { - __u64 size; - __u64 elapsed_time; - /* basic and exended format: */ - __u64 ssch_rsch_count; - __u64 sample_count; - __u64 device_connect_time; - __u64 function_pending_time; - __u64 device_disconnect_time; - __u64 control_unit_queuing_time; - __u64 device_active_only_time; - /* extended format only: */ - __u64 device_busy_time; - __u64 initial_command_response_time; -}; - -/* enable channel measurement */ -#define BIODASDCMFENABLE _IO(DASD_IOCTL_LETTER, 32) -/* enable channel measurement */ -#define BIODASDCMFDISABLE _IO(DASD_IOCTL_LETTER, 33) -/* read channel measurement data */ -#define BIODASDREADALLCMB _IOWR(DASD_IOCTL_LETTER, 33, struct cmbdata) - -#ifdef __KERNEL__ struct ccw_device; extern int enable_cmf(struct ccw_device *cdev); extern int disable_cmf(struct ccw_device *cdev); extern u64 cmf_read(struct ccw_device *cdev, int index); extern int cmf_readall(struct ccw_device *cdev, struct cmbdata *data); -#endif /* __KERNEL__ */ #endif /* S390_CMB_H */ |