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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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17
modules/cas_cache/service_ui_ioctl.c
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@@ -194,6 +194,23 @@ long cas_service_ioctl_ctrl(struct file *filp, unsigned int cmd,
RETURN_CMD_RESULT(cmd_info, arg, retval);
}
case KCAS_IOCTL_PURGE_CORE: {
struct kcas_flush_core *cmd_info;
char cache_name[OCF_CACHE_NAME_SIZE];
char core_name[OCF_CORE_NAME_SIZE];
GET_CMD_INFO(cmd_info, arg);
cache_name_from_id(cache_name, cmd_info->cache_id);
core_name_from_id(core_name, cmd_info->core_id);
retval = cache_mngt_purge_object(cache_name, OCF_CACHE_NAME_SIZE,
core_name, OCF_CORE_NAME_SIZE);
RETURN_CMD_RESULT(cmd_info, arg, retval);
}
case KCAS_IOCTL_FLUSH_CORE: {
struct kcas_flush_core *cmd_info;
char cache_name[OCF_CACHE_NAME_SIZE];