diff options
Diffstat (limited to 'build/external/patches/dpdk_22.03')
| -rw-r--r-- | build/external/patches/dpdk_22.03/0001-bus-vmbus-add-support-allow-block-scan-mode.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/build/external/patches/dpdk_22.03/0001-bus-vmbus-add-support-allow-block-scan-mode.patch b/build/external/patches/dpdk_22.03/0001-bus-vmbus-add-support-allow-block-scan-mode.patch new file mode 100644 index 00000000000..c1e6f78976e --- /dev/null +++ b/build/external/patches/dpdk_22.03/0001-bus-vmbus-add-support-allow-block-scan-mode.patch @@ -0,0 +1,76 @@ +From 16449a64d38c7f4b880601ddf3d34087da5e8577 Mon Sep 17 00:00:00 2001 +From: Xiaoming Jiang <jiangxiaoming@outlook.com> +Date: Thu, 9 Jun 2022 06:15:51 +0000 +Subject: [PATCH 1/1] bus/vmbus: add support allow/block scan mode + +--- + drivers/bus/vmbus/vmbus_common.c | 32 +++++++++++++++++++++++++++++--- + 1 file changed, 29 insertions(+), 3 deletions(-) + +diff --git a/drivers/bus/vmbus/vmbus_common.c b/drivers/bus/vmbus/vmbus_common.c +index 3677273..47edacb 100644 +--- a/drivers/bus/vmbus/vmbus_common.c ++++ b/drivers/bus/vmbus/vmbus_common.c +@@ -102,7 +102,12 @@ vmbus_probe_one_driver(struct rte_vmbus_driver *dr, + VMBUS_LOG(INFO, "VMBUS device %s on NUMA socket %i", + guid, dev->device.numa_node); + +- /* TODO add block/allow logic */ ++ /* no initialization when marked as blocked, return without error */ ++ if (dev->device.devargs != NULL && ++ dev->device.devargs->policy == RTE_DEV_BLOCKED) { ++ RTE_LOG(INFO, EAL, " Device is blocked, not initializing\n"); ++ return 1; ++ } + + /* map resources for device */ + ret = rte_vmbus_map_device(dev); +@@ -134,7 +139,7 @@ vmbus_probe_one_driver(struct rte_vmbus_driver *dr, + + /* + * If device class GUID matches, call the probe function of +- * register drivers for the vmbus device. ++ * registere drivers for the vmbus device. + * Return -1 if initialization failed, + * and 1 if no driver found for this device. + */ +@@ -163,6 +168,25 @@ vmbus_probe_all_drivers(struct rte_vmbus_device *dev) + return 1; + } + ++static bool ++rte_vmbus_ignore_device(struct rte_vmbus_device *dev) ++{ ++ struct rte_devargs *devargs = vmbus_devargs_lookup(dev); ++ ++ switch (rte_vmbus_bus.bus.conf.scan_mode) { ++ case RTE_BUS_SCAN_ALLOWLIST: ++ if (devargs && devargs->policy == RTE_DEV_ALLOWED) ++ return false; ++ break; ++ case RTE_BUS_SCAN_UNDEFINED: ++ case RTE_BUS_SCAN_BLOCKLIST: ++ if (devargs == NULL || devargs->policy != RTE_DEV_BLOCKED) ++ return false; ++ break; ++ } ++ return true; ++} ++ + /* + * Scan the vmbus, and call the devinit() function for + * all registered drivers that have a matching entry in its id_table +@@ -180,7 +204,9 @@ rte_vmbus_probe(void) + + rte_uuid_unparse(dev->device_id, ubuf, sizeof(ubuf)); + +- /* TODO: add allowlist/blocklist */ ++ if (rte_vmbus_ignore_device(dev)) { ++ continue; ++ } + + if (vmbus_probe_all_drivers(dev) < 0) { + VMBUS_LOG(NOTICE, +-- +2.32.0 + |