[libvirt] [PATCH v5 2/2] qemu: Add command line builder and parser for NVRAM.
Li Zhang
zhlcindy at gmail.com
Fri Apr 19 08:37:52 UTC 2013
From: Li Zhang <zhlcindy at linux.vnet.ibm.com>
This patch is to add command line builder and parser
for NVRAM device, and add test cases.
Signed-off-by: Li Zhang <zhlcindy at linux.vnet.ibm.com>
---
v5 -> v4:
* Fix one memory leakage suggested by Eric Blake
* Fix several code style suggested by Eric Blake
src/qemu/qemu_capabilities.c | 3 ++
src/qemu/qemu_capabilities.h | 2 +
src/qemu/qemu_command.c | 88 ++++++++++++++++++++++++++++++++++++++++++--
tests/qemuargv2xmltest.c | 2 +
tests/qemuxml2argvtest.c | 1 +
tests/qemuxml2xmltest.c | 2 +
6 files changed, 95 insertions(+), 3 deletions(-)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index ef291c0..1d54477 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -220,6 +220,8 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"machine-usb-opt",
"tpm-passthrough",
"tpm-tis",
+
+ "nvram", /* 140 */
);
struct _virQEMUCaps {
@@ -1347,6 +1349,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
{ "virtio-rng-ccw", QEMU_CAPS_DEVICE_VIRTIO_RNG },
{ "rng-random", QEMU_CAPS_OBJECT_RNG_RANDOM },
{ "rng-egd", QEMU_CAPS_OBJECT_RNG_EGD },
+ { "spapr-nvram", QEMU_CAPS_DEVICE_NVRAM },
};
static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBlk[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 4e76799..85f47c4 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -179,6 +179,8 @@ enum virQEMUCapsFlags {
QEMU_CAPS_DEVICE_TPM_PASSTHROUGH = 138, /* -tpmdev passthrough */
QEMU_CAPS_DEVICE_TPM_TIS = 139, /* -device tpm_tis */
+ QEMU_CAPS_DEVICE_NVRAM = 140, /*-global spapr-nvram.reg=xxxx*/
+
QEMU_CAPS_LAST, /* this must always be the last item */
};
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 009d42d..41b8d78 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -53,6 +53,10 @@
#define VIR_FROM_THIS VIR_FROM_QEMU
+#define VIO_ADDR_NET 0x1000ul
+#define VIO_ADDR_SCSI 0x2000ul
+#define VIO_ADDR_SERIAL 0x30000000ul
+#define VIO_ADDR_NVRAM 0x3000ul
VIR_ENUM_DECL(virDomainDiskQEMUBus)
VIR_ENUM_IMPL(virDomainDiskQEMUBus, VIR_DOMAIN_DISK_BUS_LAST,
@@ -1148,7 +1152,7 @@ int qemuDomainAssignSpaprVIOAddresses(virDomainDefPtr def,
STREQ(def->nets[i]->model, "spapr-vlan"))
def->nets[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
if (qemuAssignSpaprVIOAddress(def, &def->nets[i]->info,
- 0x1000ul) < 0)
+ VIO_ADDR_NET) < 0)
goto cleanup;
}
@@ -1163,7 +1167,7 @@ int qemuDomainAssignSpaprVIOAddresses(virDomainDefPtr def,
def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI)
def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
if (qemuAssignSpaprVIOAddress(def, &def->controllers[i]->info,
- 0x2000ul) < 0)
+ VIO_ADDR_SCSI) < 0)
goto cleanup;
}
@@ -1173,7 +1177,16 @@ int qemuDomainAssignSpaprVIOAddresses(virDomainDefPtr def,
STREQ(def->os.machine, "pseries"))
def->serials[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
if (qemuAssignSpaprVIOAddress(def, &def->serials[i]->info,
- 0x30000000ul) < 0)
+ VIO_ADDR_SERIAL) < 0)
+ goto cleanup;
+ }
+
+ if (def->nvram) {
+ if (def->os.arch == VIR_ARCH_PPC64 &&
+ STREQ(def->os.machine, "pseries"))
+ def->nvram->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
+ if (qemuAssignSpaprVIOAddress(def, &def->nvram->info,
+ VIO_ADDR_NVRAM) < 0)
goto cleanup;
}
@@ -3969,6 +3982,32 @@ error:
return NULL;
}
+static char *
+qemuBuildNVRAMDevStr(virDomainNVRAMDefPtr dev)
+{
+ virBuffer buf = VIR_BUFFER_INITIALIZER;
+
+ if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO &&
+ dev->info.addr.spaprvio.has_reg) {
+ virBufferAsprintf(&buf, "spapr-nvram.reg=0x%llx",
+ dev->info.addr.spaprvio.reg);
+ } else {
+ virReportError(VIR_ERR_XML_ERROR,
+ "%s", _("NVRAM address only can be spaprvio currently.\n"));
+ goto error;
+ }
+
+ if (virBufferError(&buf)) {
+ virReportOOMError();
+ goto error;
+ }
+
+ return virBufferContentAndReset(&buf);
+
+error:
+ virBufferFreeAndReset(&buf);
+ return NULL;
+}
char *
qemuBuildUSBInputDevStr(virDomainInputDefPtr dev,
@@ -7776,6 +7815,30 @@ qemuBuildCommandLine(virConnectPtr conn,
goto error;
}
+ if (def->nvram) {
+ if (def->os.arch == VIR_ARCH_PPC64 &&
+ STREQ(def->os.machine, "pseries")) {
+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_NVRAM)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ "%s", _("NVRAM device is not available "
+ " with this QEMU binary"));
+ goto error;
+ }
+
+ char *optstr;
+ virCommandAddArg(cmd, "-global");
+ optstr = qemuBuildNVRAMDevStr(def->nvram);
+ if (!optstr)
+ goto error;
+ if (optstr)
+ virCommandAddArg(cmd, optstr);
+ VIR_FREE(optstr);
+ } else {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("NVRAM device is only supported for PPC64"));
+ goto error;
+ }
+ }
if (snapshot)
virCommandAddArgList(cmd, "-loadvm", snapshot->def->name, NULL);
@@ -9884,6 +9947,25 @@ virDomainDefPtr qemuParseCommandLine(virCapsPtr qemuCaps,
goto error;
}
+ } else if (STREQ(arg, "-global") &&
+ STRPREFIX(progargv[i + 1], "spapr-nvram.reg=")) {
+
+ WANT_VALUE();
+
+ if (VIR_ALLOC(def->nvram) < 0)
+ goto no_memory;
+
+ def->nvram->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
+ def->nvram->info.addr.spaprvio.has_reg = true;
+
+ val += strlen("spapr-nvram.reg=");
+ if (virStrToLong_ull(val, NULL, 16,
+ &def->nvram->info.addr.spaprvio.reg) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("cannot parse nvram's address:"
+ "'%s'"), val);
+ goto error;
+ }
} else if (STREQ(arg, "-S")) {
/* ignore, always added by libvirt */
} else {
diff --git a/tests/qemuargv2xmltest.c b/tests/qemuargv2xmltest.c
index ee6c7a9..9f1bb24 100644
--- a/tests/qemuargv2xmltest.c
+++ b/tests/qemuargv2xmltest.c
@@ -244,6 +244,8 @@ mymain(void)
DO_TEST("hyperv");
+ DO_TEST("pseries-nvram");
+
DO_TEST_FULL("restore-v1", 0, "stdio");
DO_TEST_FULL("restore-v2", 0, "stdio");
DO_TEST_FULL("restore-v2", 0, "exec:cat");
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 4bf13f0..1c21a63 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -907,6 +907,7 @@ mymain(void)
QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
DO_TEST_ERROR("pseries-vio-address-clash", QEMU_CAPS_DRIVE,
QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
+ DO_TEST("pseries-nvram", QEMU_CAPS_DEVICE_NVRAM);
DO_TEST("disk-ide-drive-split",
QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_IDE_CD);
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 7434190..1d10bf2 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -259,6 +259,8 @@ mymain(void)
DO_TEST("virtio-rng-random");
DO_TEST("virtio-rng-egd");
+ DO_TEST("pseries-nvram");
+
/* These tests generate different XML */
DO_TEST_DIFFERENT("balloon-device-auto");
DO_TEST_DIFFERENT("channel-virtio-auto");
--
1.8.1.4
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