[libvirt] [PATCH 02/12] qemu: Add helper to assign RNG device aliases

From: Luyao Huang <lhuang(a)redhat.com&gt; This function is used to assign an alias for a RNG device. It will be later reused when hotplugging RNGs. Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- src/qemu/qemu_command.c | 13 ++++++++++++- src/qemu/qemu_command.h | 1 + 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 3b6eddc..4447b9b 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -1025,6 +1025,17 @@ qemuGetNextChrDevIndex(virDomainDefPtr def, int +qemuAssignDeviceRNGAlias(virDomainRNGDefPtr rng, + size_t idx) +{ + if (virAsprintf(&rng->info.alias, "rng%zu", idx) < 0) + return -1; + + return 0; +} + + +int qemuAssignDeviceChrAlias(virDomainDefPtr def, virDomainChrDefPtr chr, ssize_t idx) @@ -1149,7 +1160,7 @@ qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps) return -1; } for (i = 0; i < def->nrngs; i++) { - if (virAsprintf(&def->rngs[i]->info.alias, "rng%zu", i) < 0) + if (qemuAssignDeviceRNGAlias(def->rngs[i], i) < 0) return -1; } if (def->tpm) { diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h index ae36bd8..d8fea65 100644 --- a/src/qemu/qemu_command.h +++ b/src/qemu/qemu_command.h @@ -269,6 +269,7 @@ int qemuAssignDeviceRedirdevAlias(virDomainDefPtr def, virDomainRedirdevDefPtr r int qemuAssignDeviceChrAlias(virDomainDefPtr def, virDomainChrDefPtr chr, ssize_t idx); +int qemuAssignDeviceRNGAlias(virDomainRNGDefPtr rng, size_t idx); int qemuParseKeywords(const char *str, -- 2.2.2