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module/crypto: split global device/qp list into one per PMD

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Previously one global list of device/qp combinations was used
regardless of PMD and when assigned, the device name was checked
to make sure a matching one was pulled from the list.

Later in this series a patch will make use of having different
lists as we discovered a decent way to load balance QAT but the
implementation with all PMDs on one list was too complex.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I54dfbd0206a881d126831ba27a4ae05cdc6f7c11
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/477152
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
paul luse 2019-12-07 23:25:11 +00:00 committed by Tomasz Zawadzki
parent 3219bc9a80
commit 5db021089d
2 changed files with 45 additions and 16 deletions
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60
module/bdev/crypto/vbdev_crypto.c
View File

@ -71,7 +71,8 @@ struct device_qp {
bool in_use; /* whether this node is in use or not */
TAILQ_ENTRY(device_qp) link;
};
static TAILQ_HEAD(, device_qp) g_device_qp = TAILQ_HEAD_INITIALIZER(g_device_qp);
static TAILQ_HEAD(, device_qp) g_device_qp_qat = TAILQ_HEAD_INITIALIZER(g_device_qp_qat);
static TAILQ_HEAD(, device_qp) g_device_qp_aesni_mb = TAILQ_HEAD_INITIALIZER(g_device_qp_aesni_mb);
static pthread_mutex_t g_device_qp_lock = PTHREAD_MUTEX_INITIALIZER;
@ -221,6 +222,7 @@ create_vbdev_dev(uint8_t index, uint16_t num_lcores)
struct device_qp *dev_qp;
struct device_qp *tmp_qp;
int rc;
TAILQ_HEAD(device_qps, device_qp) *dev_qp_head;
device = calloc(1, sizeof(struct vbdev_dev));
if (!device) {
@ -295,32 +297,44 @@ create_vbdev_dev(uint8_t index, uint16_t num_lcores)
goto err;
}
/* Build up list of device/qp combinations */
/* Select the right device/qp list based on driver name
* or error if it does not exist.
*/
if (strcmp(device->cdev_info.driver_name, QAT) == 0) {
dev_qp_head = (struct device_qps *)&g_device_qp_qat;
} else if (strcmp(device->cdev_info.driver_name, AESNI_MB) == 0) {
dev_qp_head = (struct device_qps *)&g_device_qp_aesni_mb;
} else {
rc = -EINVAL;
goto err;
}
/* Build up lists of device/qp combinations per PMD */
for (j = 0; j < device->cdev_info.max_nb_queue_pairs; j++) {
dev_qp = calloc(1, sizeof(struct device_qp));
if (!dev_qp) {
rc = -ENOMEM;
goto err;
goto err_qp_alloc;
}
dev_qp->device = device;
dev_qp->qp = j;
dev_qp->in_use = false;
TAILQ_INSERT_TAIL(&g_device_qp, dev_qp, link);
TAILQ_INSERT_TAIL(dev_qp_head, dev_qp, link);
}
/* Add to our list of available crypto devices. */
TAILQ_INSERT_TAIL(&g_vbdev_devs, device, link);
return 0;
err:
TAILQ_FOREACH_SAFE(dev_qp, &g_device_qp, link, tmp_qp) {
TAILQ_REMOVE(&g_device_qp, dev_qp, link);
err_qp_alloc:
TAILQ_FOREACH_SAFE(dev_qp, dev_qp_head, link, tmp_qp) {
TAILQ_REMOVE(dev_qp_head, dev_qp, link);
free(dev_qp);
}
err:
free(device);
return rc;
}
/* This is called from the module's init function. We setup all crypto devices early on as we are unable
@ -1241,12 +1255,21 @@ crypto_bdev_ch_create_cb(void *io_device, void *ctx_buf)
crypto_ch->device_qp = NULL;
pthread_mutex_lock(&g_device_qp_lock);
TAILQ_FOREACH(device_qp, &g_device_qp, link) {
if ((strcmp(device_qp->device->cdev_info.driver_name, crypto_bdev->drv_name) == 0) &&
(device_qp->in_use == false)) {
crypto_ch->device_qp = device_qp;
device_qp->in_use = true;
break;
if (strcmp(crypto_bdev->drv_name, QAT) == 0) {
TAILQ_FOREACH(device_qp, &g_device_qp_qat, link) {
if (device_qp->in_use == false) {
crypto_ch->device_qp = device_qp;
device_qp->in_use = true;
break;
}
}
} else if (strcmp(crypto_bdev->drv_name, AESNI_MB) == 0) {
TAILQ_FOREACH(device_qp, &g_device_qp_aesni_mb, link) {
if (device_qp->in_use == false) {
crypto_ch->device_qp = device_qp;
device_qp->in_use = true;
break;
}
}
}
pthread_mutex_unlock(&g_device_qp_lock);
@ -1498,8 +1521,13 @@ vbdev_crypto_finish(void)
SPDK_ERRLOG("%d from rte_vdev_uninit\n", rc);
}
while ((dev_qp = TAILQ_FIRST(&g_device_qp))) {
TAILQ_REMOVE(&g_device_qp, dev_qp, link);
while ((dev_qp = TAILQ_FIRST(&g_device_qp_qat))) {
TAILQ_REMOVE(&g_device_qp_qat, dev_qp, link);
free(dev_qp);
}
while ((dev_qp = TAILQ_FIRST(&g_device_qp_aesni_mb))) {
TAILQ_REMOVE(&g_device_qp_aesni_mb, dev_qp, link);
free(dev_qp);
}

1
test/unit/lib/bdev/crypto.c/crypto_ut.c
View File

@ -217,6 +217,7 @@ void
rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
{
dev_info->max_nb_queue_pairs = ut_rte_cryptodev_info_get;
dev_info->driver_name = g_driver_names[0];
}
unsigned int