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bdev/crypto: release qpairs on module finish

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We setup the qpairs on module init but never
released them. Some memory was leaked, although since
it was allocated with rte_malloc() it couldn't be
picked up by ASAN.

rte_cryptodev API offers rte_cryptodev_queue_pair_setup()
to setup a qpair, but there's no equivalent function to
release it. We have to access the rte_cryptodev structure
directly and call a qpair release function ptr that's
stored inside. It seems very very hacky, but the entire
rte_cryptodev structure is a part of the public API and
the global array of all such devices is an exported
symbol.

Change-Id: I17ac73d1098ca9a92d2dfd52e0f905e2c2b5488f
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/c/443561
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Darek Stojaczyk 2019-02-06 13:34:08 +01:00 committed by Jim Harris
parent bdc96b4dd6
commit 40240f7e9d
1 changed files with 13 additions and 0 deletions
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13
lib/bdev/crypto/vbdev_crypto.c
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@ -1288,6 +1288,7 @@ vbdev_crypto_finish(void)
struct bdev_names *name;
struct vbdev_dev *device;
struct device_qp *dev_qp;
unsigned i;
while ((name = TAILQ_FIRST(&g_bdev_names))) {
TAILQ_REMOVE(&g_bdev_names, name, link);
@ -1299,8 +1300,20 @@ vbdev_crypto_finish(void)
}
while ((device = TAILQ_FIRST(&g_vbdev_devs))) {
struct rte_cryptodev *rte_dev;
TAILQ_REMOVE(&g_vbdev_devs, device, link);
rte_cryptodev_stop(device->cdev_id);
assert(device->cdev_id < RTE_CRYPTO_MAX_DEVS);
rte_dev = &rte_cryptodevs[device->cdev_id];
if (rte_dev->dev_ops->queue_pair_release != NULL) {
for (i = 0; i < device->cdev_info.max_nb_queue_pairs; i++) {
rte_dev->dev_ops->queue_pair_release(rte_dev, i);
}
}
free(device);
}