Commit 0dec85bc authored by Yizhen Fan's avatar Yizhen Fan Committed by fanyizhen1995
Browse files

ub: ubcore add unadivse tp api 



driver inclusion
category: feature
bugzilla: NA
CVE: NA

--------------------------------

Ubcore add unadvise tp api.
Unadvise tp will finally destroy tp, which will call driver's registered
method destroy_tp.

Signed-off-by: default avatarGuoxin Qian <qianguoxin@huawei.com>
Signed-off-by: default avatarYizhen Fan <fanyizhen@huawei.com>
parent 4cc6a2cf

drivers/ub/urma/ubcore/ubcore_tp.c

+30 −0
Original line number Diff line number Diff line
@@ -498,6 +498,23 @@ static int ubcore_destroy_peer_tp(struct ubcore_tp *tp, struct ubcore_ta *ta) 
	return ret;

}



/* Destroy both local tp and remote peer tp */

static int ubcore_destroy_local_peer_tp(struct ubcore_tp *tp, struct ubcore_ta *ta)

{

	struct ubcore_device *dev = tp->ub_dev;

	int ret;



	/* Do not send destroy request to the remote if we are in the VM */

	if (!dev->attr.virtualization) {

		ret = ubcore_destroy_peer_tp(tp, ta);

		if (ret != 0) {

			ubcore_log_err("Failed to destroy peer tp");

			return ret;

		}

	}

	return ubcore_destroy_tp(tp);

}



static void ubcore_abort_tp(struct ubcore_tp *tp, struct ubcore_tp_meta *meta)

{

	struct ubcore_tp *target;
@@ -1227,6 +1244,19 @@ int ubcore_advise_tp(struct ubcore_device *dev, const union ubcore_eid *remote_e 
}

EXPORT_SYMBOL(ubcore_advise_tp);



int ubcore_unadvise_tp(struct ubcore_device *dev, struct ubcore_tp_advice *advice)

{

	struct ubcore_tp *tp =

		ubcore_find_remove_tp(advice->meta.ht, advice->meta.hash, &advice->meta.key);

	if (tp == NULL) {

		ubcore_log_warn("TP is not found, already removed or under use\n");

		return 0;

	}



	return ubcore_destroy_local_peer_tp(tp, &advice->ta);

}

EXPORT_SYMBOL(ubcore_unadvise_tp);



static void ubcore_get_ta_from_tp(struct ubcore_ta *ta, struct ubcore_tp *tp)

{

	struct ubcore_tp_node *tp_node = (struct ubcore_tp_node *)tp->priv;

drivers/ub/urma/ubcore/ubcore_tp.h

+1 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ static inline bool ubcore_have_tp_ops(const struct ubcore_device *dev) 
/* alpha */

int ubcore_advise_tp(struct ubcore_device *dev, const union ubcore_eid *remote_eid,

		     struct ubcore_tp_advice *advice, struct ubcore_udata *udata);

int ubcore_unadvise_tp(struct ubcore_device *dev, struct ubcore_tp_advice *advice);



struct ubcore_nlmsg *ubcore_handle_create_tp_req(struct ubcore_nlmsg *req);

struct ubcore_nlmsg *ubcore_handle_destroy_tp_req(struct ubcore_nlmsg *req);