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From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: cheng1.jiang@intel.com, patrick.fu@intel.com, ping.yu@intel.com,
kevin.laatz@intel.com, Bruce Richardson <bruce.richardson@intel.com>
Date: Fri, 21 Aug 2020 17:29:40 +0100
Message-Id: <20200821162944.29840-15-bruce.richardson@intel.com>
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<20200821162944.29840-1-bruce.richardson@intel.com>
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Subject: [dpdk-dev] [PATCH v2 14/18] raw/ioat: add info function for idxd
devices
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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 <bruce.richardson@intel.com>
---
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