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author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2007-10-12 16:11:16 +0200 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-10-12 16:12:59 +0200 |
commit | c02087162af5d8880ff2d688999d71e1bfa16f2f (patch) | |
tree | 5d4250db2ba2225f417f634eebb404311bf60402 /include/asm-s390 | |
parent | fc5019c5c7067bcea1e49fe9cd5190285f0c8927 (diff) | |
download | blackbird-op-linux-c02087162af5d8880ff2d688999d71e1bfa16f2f.tar.gz blackbird-op-linux-c02087162af5d8880ff2d688999d71e1bfa16f2f.zip |
[S390] cio: Kerneldoc comments for cmf.
- Fix existing kerneldoc-style comments.
- Move descriptions of functions from cmb.h to cmf.c.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
-rw-r--r-- | include/asm-s390/cmb.h | 65 |
1 files changed, 15 insertions, 50 deletions
diff --git a/include/asm-s390/cmb.h b/include/asm-s390/cmb.h index 2e84eebaf8f4..50196857d27a 100644 --- a/include/asm-s390/cmb.h +++ b/include/asm-s390/cmb.h @@ -1,29 +1,29 @@ #ifndef S390_CMB_H #define S390_CMB_H /** - * struct cmbdata -- channel measurement block data for user space + * 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) * - * @size: size of the stored data - * @ssch_rsch_count: XXX - * @sample_count: - * @device_connect_time: - * @function_pending_time: - * @device_disconnect_time: - * @control_unit_queuing_time: - * @device_active_only_time: - * @device_busy_time: - * @initial_command_response_time: - * - * all values are stored as 64 bit for simplicity, especially + * 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 results in a + * Potentially, more fields could be added, which would result in a * new ioctl number. - **/ + */ struct cmbdata { __u64 size; __u64 elapsed_time; @@ -49,44 +49,9 @@ struct cmbdata { #ifdef __KERNEL__ struct ccw_device; -/** - * enable_cmf() - switch on the channel measurement for a specific device - * @cdev: The ccw device to be enabled - * returns 0 for success or a negative error value. - * - * Context: - * non-atomic - **/ extern int enable_cmf(struct ccw_device *cdev); - -/** - * disable_cmf() - switch off the channel measurement for a specific device - * @cdev: The ccw device to be disabled - * returns 0 for success or a negative error value. - * - * Context: - * non-atomic - **/ extern int disable_cmf(struct ccw_device *cdev); - -/** - * cmf_read() - read one value from the current channel measurement block - * @cmf: the channel to be read - * @index: the name of the value that is read - * - * Context: - * any - **/ - extern u64 cmf_read(struct ccw_device *cdev, int index); -/** - * cmf_readall() - read one value from the current channel measurement block - * @cmf: the channel to be read - * @data: a pointer to a data block that will be filled - * - * Context: - * any - **/ extern int cmf_readall(struct ccw_device *cdev, struct cmbdata *data); #endif /* __KERNEL__ */ |