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Purge core command

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Purge invalidates all cache lines which belongs to given core. It is very
usefull feature for tests.

Calling purge is possbile with casadm `--script` swtich.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk
2020-05-11 04:49:03 -04:00
parent d24288a9b1
commit 3b62e40a2e
7 changed files with 149 additions and 2 deletions
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5
modules/include/cas_ioctl_codes.h
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@@ -411,6 +411,7 @@ struct kcas_get_cache_param {
* 33 * KCAS_IOCTL_GET_CACHE_PARAM * OK *
* 34 * KCAS_IOCTL_GET_STATS * OK *
* 35 * KCAS_IOCTL_PURGE_CACHE * OK *
* 36 * KCAS_IOCTL_PURGE_CORE * OK *
*******************************************************************************
*/
@@ -505,6 +506,10 @@ struct kcas_get_cache_param {
* and invalidate all valid cache lines */
#define KCAS_IOCTL_PURGE_CACHE _IOWR(KCAS_IOCTL_MAGIC, 35, struct kcas_flush_cache)
/* Flush dirty data from running core object
* and invalidate all valid cache lines associated with given core. */
#define KCAS_IOCTL_PURGE_CORE _IOWR(KCAS_IOCTL_MAGIC, 36, struct kcas_flush_core)
/**
* Extended kernel CAS error codes
*/