From: Bruce Richardson Date: Thu, 8 Oct 2020 09:51:28 +0000 (+0100) Subject: raw/ioat: add info query for idxd device X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=2e359075329f9d21eb769d01b397ce3b831f8556;p=dpdk.git raw/ioat: add info query for idxd device Add the info get function for DSA devices, returning just the ring size info about the device, same as is returned for existing IOAT/CBDMA devices. Signed-off-by: Bruce Richardson Reviewed-by: Kevin Laatz Acked-by: Radu Nicolau --- diff --git a/drivers/raw/ioat/idxd_pci.c b/drivers/raw/ioat/idxd_pci.c index 6b5c47392c..bf5edcfddd 100644 --- a/drivers/raw/ioat/idxd_pci.c +++ b/drivers/raw/ioat/idxd_pci.c @@ -106,6 +106,7 @@ static const struct rte_rawdev_ops idxd_pci_ops = { .dev_configure = idxd_dev_configure, .dev_start = idxd_pci_dev_start, .dev_stop = idxd_pci_dev_stop, + .dev_info_get = idxd_dev_info_get, }; /* each portal uses 4 x 4k pages */ diff --git a/drivers/raw/ioat/idxd_vdev.c b/drivers/raw/ioat/idxd_vdev.c index 3dad1473b4..c75ac43175 100644 --- a/drivers/raw/ioat/idxd_vdev.c +++ b/drivers/raw/ioat/idxd_vdev.c @@ -35,6 +35,7 @@ static const struct rte_rawdev_ops idxd_vdev_ops = { .dev_selftest = idxd_rawdev_test, .dump = idxd_dev_dump, .dev_configure = idxd_dev_configure, + .dev_info_get = idxd_dev_info_get, }; static void * diff --git a/drivers/raw/ioat/ioat_common.c b/drivers/raw/ioat/ioat_common.c index 6a4e2979f5..b5cea2fda0 100644 --- a/drivers/raw/ioat/ioat_common.c +++ b/drivers/raw/ioat/ioat_common.c @@ -44,6 +44,24 @@ idxd_dev_dump(struct rte_rawdev *dev, FILE *f) return 0; } +int +idxd_dev_info_get(struct rte_rawdev *dev, rte_rawdev_obj_t dev_info, + size_t info_size) +{ + struct rte_ioat_rawdev_config *cfg = dev_info; + struct idxd_rawdev *idxd = dev->dev_private; + struct rte_idxd_rawdev *rte_idxd = &idxd->public; + + if (info_size != sizeof(*cfg)) + return -EINVAL; + + if (cfg != NULL) { + cfg->ring_size = rte_idxd->hdl_ring_sz; + cfg->hdls_disable = rte_idxd->hdls_disable; + } + return 0; +} + int idxd_dev_configure(const struct rte_rawdev *dev, rte_rawdev_obj_t config, size_t config_size) diff --git a/drivers/raw/ioat/ioat_private.h b/drivers/raw/ioat/ioat_private.h index aba70d8d71..0f80d60bf6 100644 --- a/drivers/raw/ioat/ioat_private.h +++ b/drivers/raw/ioat/ioat_private.h @@ -62,6 +62,9 @@ extern int idxd_rawdev_close(struct rte_rawdev *dev); extern int idxd_dev_configure(const struct rte_rawdev *dev, rte_rawdev_obj_t config, size_t config_size); +extern int idxd_dev_info_get(struct rte_rawdev *dev, rte_rawdev_obj_t dev_info, + size_t info_size); + extern int idxd_rawdev_test(uint16_t dev_id); extern int idxd_dev_dump(struct rte_rawdev *dev, FILE *f);