[dpdk-dev] [PATCH v2 3/8] devargs: introduce insert function
Gaetan Rivet
gaetan.rivet at 6wind.com
Tue Jul 11 01:19:02 CEST 2017
This new function expects a fully-formed rte_devargs, previously parsed
and allocated.
It does not check whether the new rte_devargs is compatible with current
bus configuration, but will replace any eventual existing one for the same
device.
Signed-off-by: Gaetan Rivet <gaetan.rivet at 6wind.com>
---
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 +
lib/librte_eal/common/eal_common_devargs.c | 12 ++++++++++++
lib/librte_eal/common/include/rte_devargs.h | 13 +++++++++++++
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 1 +
4 files changed, 27 insertions(+)
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index 40cd523..8b24309 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -206,6 +206,7 @@ DPDK_17.08 {
EXPERIMENTAL {
global:
+ rte_eal_devargs_insert;
rte_eal_devargs_parse;
rte_eal_devargs_remove;
rte_eal_hotplug_add;
diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
index bcdee13..ff6c2a8 100644
--- a/lib/librte_eal/common/eal_common_devargs.c
+++ b/lib/librte_eal/common/eal_common_devargs.c
@@ -138,6 +138,18 @@ rte_eal_devargs_parse(const char *dev, struct rte_devargs *da)
return 0;
}
+int
+rte_eal_devargs_insert(struct rte_devargs *da)
+{
+ int ret;
+
+ ret = rte_eal_devargs_remove(da->bus->name, da->name);
+ if (ret < 0)
+ return ret;
+ TAILQ_INSERT_TAIL(&devargs_list, da, next);
+ return 0;
+}
+
/* store a whitelist parameter for later parsing */
int
rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str)
diff --git a/lib/librte_eal/common/include/rte_devargs.h b/lib/librte_eal/common/include/rte_devargs.h
index 36453b6..7b63fa3 100644
--- a/lib/librte_eal/common/include/rte_devargs.h
+++ b/lib/librte_eal/common/include/rte_devargs.h
@@ -139,6 +139,19 @@ rte_eal_devargs_parse(const char *dev,
struct rte_devargs *da);
/**
+ * Insert an rte_devargs in the global list.
+ *
+ * @param da
+ * The devargs structure to insert.
+ *
+ * @return
+ * - 0 on success
+ * - Negative on error.
+ */
+int
+rte_eal_devargs_insert(struct rte_devargs *da);
+
+/**
* Add a device to the user device list
*
* For PCI devices, the format of arguments string is "PCI_ADDR" or
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index a8ee349..81f6af3 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -211,6 +211,7 @@ DPDK_17.08 {
EXPERIMENTAL {
global:
+ rte_eal_devargs_insert;
rte_eal_devargs_parse;
rte_eal_devargs_remove;
rte_eal_hotplug_add;
--
2.1.4
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