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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [OPTIONAL][PATCH v9 13/13] Add xen-hvm-param
A tool to get and set hvm param.
Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
---
v9:
Change to output number as weel as string.
Made all string only lower case.
Rebase changes.
v7:
Was a later patch. Still optional.
Fixed formatting.
Adjust for drop of VMware RPC.
.gitignore | 1 +
tools/misc/Makefile | 4 +
tools/misc/xen-hvm-param.c | 186 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 191 insertions(+)
create mode 100644 tools/misc/xen-hvm-param.c
diff --git a/.gitignore b/.gitignore
index 692e24c..fe01ba3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -171,6 +171,7 @@ 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 ccd36af..6b5b8a7 100644
--- a/tools/misc/Makefile
+++ b/tools/misc/Makefile
@@ -19,6 +19,7 @@ INSTALL_SBIN += xen-bugtool
INSTALL_SBIN-$(CONFIG_MIGRATE) += xen-hptool
INSTALL_SBIN-$(CONFIG_X86) += xen-hvmcrash
INSTALL_SBIN-$(CONFIG_X86) += xen-hvmctx
+INSTALL_SBIN-$(CONFIG_X86) += xen-hvm-param
INSTALL_SBIN-$(CONFIG_X86) += xen-lowmemd
INSTALL_SBIN-$(CONFIG_X86) += xen-mfndump
INSTALL_SBIN += xen-ringwatch
@@ -68,6 +69,9 @@ distclean: 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..007d00f
--- /dev/null
+++ b/tools/misc/xen-hvm-param.c
@@ -0,0 +1,186 @@
+/*
+ * 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 start_param = 0;
+ int end_param = HVM_NR_PARAMS;
+ int param;
+ int ret = 0;
+ int i;
+ char hvm_param_name[HVM_NR_PARAMS][80];
+
+ unsigned long hvm_param = -1;
+
+ if ( (argc < 2) || (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_VMPORT_REGS_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_VMPORT_REGS_PFN]),
"vmport_regs_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_MEMORY_EVENT_MSR],
+ sizeof(hvm_param_name[HVM_PARAM_MEMORY_EVENT_MSR]),
+ "memory_event_msr");
+ 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_TRIPLE_FAULT_REASON],
+ sizeof(hvm_param_name[HVM_PARAM_TRIPLE_FAULT_REASON]),
+ "triple_fault_reason");
+ snprintf(hvm_param_name[HVM_PARAM_IOREQ_SERVER_PFN],
+ sizeof(hvm_param_name[HVM_PARAM_IOREQ_SERVER_PFN]),
+ "ioreq_server_pfn");
+ snprintf(hvm_param_name[HVM_PARAM_NR_IOREQ_SERVER_PAGES],
+ sizeof(hvm_param_name[HVM_PARAM_NR_IOREQ_SERVER_PAGES]),
+ "nr_ioreq_server_pages");
+ snprintf(hvm_param_name[HVM_PARAM_VM_GENERATION_ID_ADDR],
+ sizeof(hvm_param_name[HVM_PARAM_VM_GENERATION_ID_ADDR]),
+ "vm_generation_id_addr");
+ snprintf(hvm_param_name[HVM_PARAM_VMWARE_HWVER],
+ sizeof(hvm_param_name[HVM_PARAM_VMWARE_HWVER]), "vmware_hwver");
+
+ xch = xc_interface_open(0, 0, 0);
+ if ( !xch )
+ err(1, "failed to open control interface");
+
+ domid = atoi(argv[1]);
+ if ( argc > 2 )
+ {
+ start_param = strtol(argv[2], NULL, 0);
+ end_param = start_param + 1;
+ }
+
+ for ( param = start_param; param < end_param; param++ )
+ {
+ 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(%d:'%s')=0x%lx(%ld) was 0x%lx(%ld)\n",
+ param, 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(%d:'%s')=0x%lx(%ld)\n",
+ param, 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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