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Purge cache command

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Purge invalidates all cache lines. 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
2020-05-08 11:12:31 -04:00
parent f7d854bf70
commit d24288a9b1
7 changed files with 129 additions and 1 deletions
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13
modules/cas_cache/service_ui_ioctl.c
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@@ -154,6 +154,19 @@ long cas_service_ioctl_ctrl(struct file *filp, unsigned int cmd,
RETURN_CMD_RESULT(cmd_info, arg, retval);
}
case KCAS_IOCTL_PURGE_CACHE: {
struct kcas_flush_cache *cmd_info;
char cache_name[OCF_CACHE_NAME_SIZE];
GET_CMD_INFO(cmd_info, arg);
cache_name_from_id(cache_name, cmd_info->cache_id);
retval = cache_mngt_purge_device(cache_name, OCF_CACHE_NAME_SIZE);
RETURN_CMD_RESULT(cmd_info, arg, retval);
}
case KCAS_IOCTL_FLUSH_CACHE: {
struct kcas_flush_cache *cmd_info;
char cache_name[OCF_CACHE_NAME_SIZE];