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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC][PATCH v1 1/3] Add xen-hvm-param
A tool to get and set hvm param.
Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
---
.gitignore | 1 +
tools/misc/Makefile | 7 ++-
tools/misc/xen-hvm-param.c | 154 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 160 insertions(+), 2 deletions(-)
create mode 100644 tools/misc/xen-hvm-param.c
diff --git a/.gitignore b/.gitignore
index 6d725aa..ad52162 100644
--- a/.gitignore
+++ b/.gitignore
@@ -179,6 +179,7 @@ tools/misc/xen-tmem-list-parse
tools/misc/xenperf
tools/misc/xenpm
tools/misc/xen-hvmctx
+tools/misc/xen-hvm-param
tools/misc/gtraceview
tools/misc/gtracestat
tools/misc/xenlockprof
diff --git a/tools/misc/Makefile b/tools/misc/Makefile
index 69b1817..b8d4579 100644
--- a/tools/misc/Makefile
+++ b/tools/misc/Makefile
@@ -10,7 +10,7 @@ CFLAGS += $(CFLAGS_libxenstore)
HDRS = $(wildcard *.h)
TARGETS-y := xenperf xenpm xen-tmem-list-parse gtraceview gtracestat
xenlockprof xenwatchdogd xencov
-TARGETS-$(CONFIG_X86) += xen-detect xen-hvmctx xen-hvmcrash xen-lowmemd
xen-mfndump
+TARGETS-$(CONFIG_X86) += xen-detect xen-hvmctx xen-hvm-param xen-hvmcrash
xen-lowmemd xen-mfndump
TARGETS-$(CONFIG_MIGRATE) += xen-hptool
TARGETS := $(TARGETS-y)
@@ -22,7 +22,7 @@ INSTALL_BIN := $(INSTALL_BIN-y)
INSTALL_SBIN-y := xen-bugtool xen-python-path xenperf xenpm
xen-tmem-list-parse gtraceview \
gtracestat xenlockprof xenwatchdogd xen-ringwatch xencov
-INSTALL_SBIN-$(CONFIG_X86) += xen-hvmctx xen-hvmcrash xen-lowmemd xen-mfndump
+INSTALL_SBIN-$(CONFIG_X86) += xen-hvmctx xen-hvm-param xen-hvmcrash
xen-lowmemd xen-mfndump
INSTALL_SBIN-$(CONFIG_MIGRATE) += xen-hptool
INSTALL_SBIN := $(INSTALL_SBIN-y)
@@ -57,6 +57,9 @@ clean:
xen-hvmctx: xen-hvmctx.o
$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
+xen-hvm-param: xen-hvm-param.o
+ $(CC) $(LDFLAGS) -o $@ $< $(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
+
xen-hvmcrash: xen-hvmcrash.o
$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
diff --git a/tools/misc/xen-hvm-param.c b/tools/misc/xen-hvm-param.c
new file mode 100644
index 0000000..df6ba12
--- /dev/null
+++ b/tools/misc/xen-hvm-param.c
@@ -0,0 +1,154 @@
+/*
+ * tools/misc/xen-hvm-param.c
+ *
+ * Copyright (C) 2014 Verizon Corporation
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License Version 2 (GPLv2)
+ * as published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details. <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <err.h>
+
+#include <xenctrl.h>
+
+
+int
+main(int argc, char **argv)
+{
+ xc_interface *xch;
+ int domid;
+ int param;
+ int ret = 0;
+ int i;
+ char hvm_param_name[HVM_NR_PARAMS][80];
+
+ unsigned long hvm_param = -1;
+
+ if ( (argc < 3) || (argc > 4) )
+ errx(1, "usage: %s domid param [new]", argv[0]);
+
+ for (i = 0; i < HVM_NR_PARAMS; i++)
+ snprintf(hvm_param_name[i], sizeof(hvm_param_name[i]), "Unknown %d",
i);
+ snprintf(hvm_param_name[HVM_PARAM_CALLBACK_IRQ],
+ sizeof(hvm_param_name[HVM_PARAM_CALLBACK_IRQ]), "Callback_Irq");
+ snprintf(hvm_param_name[HVM_PARAM_STORE_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_STORE_PFN]), "Store_Pfn");
+ snprintf(hvm_param_name[HVM_PARAM_STORE_EVTCHN],
+ sizeof(hvm_param_name[HVM_PARAM_STORE_EVTCHN]), "Store_Evtchn");
+ snprintf(hvm_param_name[HVM_PARAM_PAE_ENABLED],
+ sizeof(hvm_param_name[HVM_PARAM_PAE_ENABLED]), "Pae_Enabled");
+ snprintf(hvm_param_name[HVM_PARAM_IOREQ_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_IOREQ_PFN]), "Ioreq_Pfn");
+ snprintf(hvm_param_name[HVM_PARAM_BUFIOREQ_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_BUFIOREQ_PFN]), "Bufioreq_Pfn");
+ snprintf(hvm_param_name[HVM_PARAM_VIRIDIAN],
+ sizeof(hvm_param_name[HVM_PARAM_VIRIDIAN]), "Viridian");
+ snprintf(hvm_param_name[HVM_PARAM_TIMER_MODE],
+ sizeof(hvm_param_name[HVM_PARAM_TIMER_MODE]), "Timer_Mode");
+ snprintf(hvm_param_name[HVM_PARAM_HPET_ENABLED],
+ sizeof(hvm_param_name[HVM_PARAM_HPET_ENABLED]), "Hpet_Enabled");
+ snprintf(hvm_param_name[HVM_PARAM_IDENT_PT],
+ sizeof(hvm_param_name[HVM_PARAM_IDENT_PT]), "Ident_Pt");
+ snprintf(hvm_param_name[HVM_PARAM_DM_DOMAIN],
+ sizeof(hvm_param_name[HVM_PARAM_DM_DOMAIN]), "Dm_Domain");
+ snprintf(hvm_param_name[HVM_PARAM_ACPI_S_STATE],
+ sizeof(hvm_param_name[HVM_PARAM_ACPI_S_STATE]), "Acpi_S_State");
+ snprintf(hvm_param_name[HVM_PARAM_VM86_TSS],
+ sizeof(hvm_param_name[HVM_PARAM_VM86_TSS]), "Vm86_Tss");
+ snprintf(hvm_param_name[HVM_PARAM_VPT_ALIGN],
+ sizeof(hvm_param_name[HVM_PARAM_VPT_ALIGN]), "Vpt_Align");
+ snprintf(hvm_param_name[HVM_PARAM_CONSOLE_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_CONSOLE_PFN]), "Console_Pfn");
+ snprintf(hvm_param_name[HVM_PARAM_CONSOLE_EVTCHN],
+ sizeof(hvm_param_name[HVM_PARAM_CONSOLE_EVTCHN]),
"Console_Evtchn");
+ snprintf(hvm_param_name[HVM_PARAM_ACPI_IOPORTS_LOCATION],
+ sizeof(hvm_param_name[HVM_PARAM_ACPI_IOPORTS_LOCATION]),
+ "Acpi_Ioports_Location");
+ snprintf(hvm_param_name[HVM_PARAM_MEMORY_EVENT_CR0],
+ sizeof(hvm_param_name[HVM_PARAM_MEMORY_EVENT_CR0]),
"Memory_Event_Cr0");
+ snprintf(hvm_param_name[HVM_PARAM_MEMORY_EVENT_CR3],
+ sizeof(hvm_param_name[HVM_PARAM_MEMORY_EVENT_CR3]),
"Memory_Event_Cr3");
+ snprintf(hvm_param_name[HVM_PARAM_MEMORY_EVENT_CR4],
+ sizeof(hvm_param_name[HVM_PARAM_MEMORY_EVENT_CR4]),
"Memory_Event_Cr4");
+ snprintf(hvm_param_name[HVM_PARAM_MEMORY_EVENT_INT3],
+ sizeof(hvm_param_name[HVM_PARAM_MEMORY_EVENT_INT3]),
"Memory_Event_Int3");
+ snprintf(hvm_param_name[HVM_PARAM_NESTEDHVM],
+ sizeof(hvm_param_name[HVM_PARAM_NESTEDHVM]), "Nestedhvm");
+ snprintf(hvm_param_name[HVM_PARAM_MEMORY_EVENT_SINGLE_STEP],
+ sizeof(hvm_param_name[HVM_PARAM_MEMORY_EVENT_SINGLE_STEP]),
+ "Memory_Event_Single_Step");
+ snprintf(hvm_param_name[HVM_PARAM_BUFIOREQ_EVTCHN],
+ sizeof(hvm_param_name[HVM_PARAM_BUFIOREQ_EVTCHN]),
"Bufioreq_Evtchn");
+ snprintf(hvm_param_name[HVM_PARAM_PAGING_RING_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_PAGING_RING_PFN]),
"Paging_Ring_Pfn");
+ snprintf(hvm_param_name[HVM_PARAM_ACCESS_RING_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_ACCESS_RING_PFN]),
"Access_Ring_Pfn");
+ snprintf(hvm_param_name[HVM_PARAM_SHARING_RING_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_SHARING_RING_PFN]),
"Sharing_Ring_Pfn");
+ snprintf(hvm_param_name[HVM_PARAM_VMWARE_HW],
+ sizeof(hvm_param_name[HVM_PARAM_VMWARE_HW]), "Vmware_Hw");
+ snprintf(hvm_param_name[HVM_PARAM_VMPORT_BUILD_NUMBER_TIME],
+ sizeof(hvm_param_name[HVM_PARAM_VMPORT_BUILD_NUMBER_TIME]),
+ "Vmport_Build_Number_Time");
+ snprintf(hvm_param_name[HVM_PARAM_VMPORT_BUILD_NUMBER_VALUE],
+ sizeof(hvm_param_name[HVM_PARAM_VMPORT_BUILD_NUMBER_VALUE]),
+ "Vmport_Build_Number_Value");
+ snprintf(hvm_param_name[HVM_PARAM_VMPORT_RESET_TIME],
+ sizeof(hvm_param_name[HVM_PARAM_VMPORT_RESET_TIME]),
"Vmport_Reset_Time");
+
+ xch = xc_interface_open(0, 0, 0);
+ if ( !xch )
+ err(1, "failed to open control interface");
+
+ domid = atoi(argv[1]);
+ param = atoi(argv[2]);
+
+ ret = xc_get_hvm_param(xch, domid, param, &hvm_param);
+ if ( ret )
+ err(1, "failed to get hvm param %d for domid %d", param, domid);
+ else
+ {
+ if ( argc == 4 )
+ {
+ long new = strtol(argv[3], NULL, 0);
+
+ ret = xc_set_hvm_param(xch, domid, param, new);
+ if ( ret )
+ err(1, "failed to set hvm param %d for domid %d", param,
domid);
+ else if ( (param >= 0) && (param < HVM_NR_PARAMS) )
+ printf("hvm_param(%s)=0x%lx(%ld) was 0x%lx(%ld)\n",
+ hvm_param_name[param], new, new, hvm_param, hvm_param);
+ else
+ printf("hvm_param(%d)=0x%lx(%ld) was 0x%lx(%ld)\n",
+ param, new, new, hvm_param, hvm_param);
+ }
+ else
+ {
+ if ( (param >= 0) && (param < HVM_NR_PARAMS) )
+ printf("hvm_param(%s)=0x%lx(%ld)\n", hvm_param_name[param],
hvm_param,
+ hvm_param);
+ else
+ printf("hvm_param(%d)=0x%lx(%ld)\n", param, hvm_param,
hvm_param);
+ }
+ }
+ xc_interface_close(xch);
+
+ return ret;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
--
1.8.4
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