[dpdk-dev] [PATCH v2 14/18] raw/ioat: add info function for idxd devices
From: Bruce Richardson <hidden>
Date: 2020-08-21 16:32:46
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- drivers/raw/ioat/idxd_pci.c | 1 + drivers/raw/ioat/idxd_vdev.c | 1 + drivers/raw/ioat/ioat_common.c | 18 ++++++++++++++++++ drivers/raw/ioat/ioat_private.h | 3 +++ 4 files changed, 23 insertions(+)
diff --git a/drivers/raw/ioat/idxd_pci.c b/drivers/raw/ioat/idxd_pci.c
index 13a0a03211..1ae20bc04f 100644
--- a/drivers/raw/ioat/idxd_pci.c
+++ b/drivers/raw/ioat/idxd_pci.c@@ -105,6 +105,7 @@ 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 73cb5d938f..3d6aa31f48 100644
--- a/drivers/raw/ioat/idxd_vdev.c
+++ b/drivers/raw/ioat/idxd_vdev.c@@ -34,6 +34,7 @@ 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 23a9d71dd3..4c225762bd 100644
--- a/drivers/raw/ioat/ioat_common.c
+++ b/drivers/raw/ioat/ioat_common.c@@ -37,6 +37,24 @@ 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 928c9b497c..0b17a8646b 100644
--- a/drivers/raw/ioat/ioat_private.h
+++ b/drivers/raw/ioat/ioat_private.h@@ -60,6 +60,9 @@ extern int idxd_rawdev_create(const char *name, struct rte_device *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);
--
2.25.1