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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] tools/libxc: move xc_[un]map_domain_meminfo() into new source xg_domain.c
commit 735749c8316d2f8b074e38138989336cfdec65f2
Author: Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Fri Aug 28 17:07:27 2020 +0200
Commit: Wei Liu <wl@xxxxxxx>
CommitDate: Wed Sep 9 10:57:25 2020 +0000
tools/libxc: move xc_[un]map_domain_meminfo() into new source xg_domain.c
Move xc_[un]map_domain_meminfo() functions to new source xg_domain.c as
they are defined in include/xenguest.h and should be in libxenguest.
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Acked-by: Wei Liu <wl@xxxxxxx>
---
tools/libxc/Makefile | 4 +-
tools/libxc/xc_domain.c | 126 ----------------------------------------
tools/libxc/xg_domain.c | 149 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 152 insertions(+), 127 deletions(-)
diff --git a/tools/libxc/Makefile b/tools/libxc/Makefile
index 763231065c..7b81f8c193 100644
--- a/tools/libxc/Makefile
+++ b/tools/libxc/Makefile
@@ -52,7 +52,9 @@ CTRL_SRCS-y += xc_gnttab_compat.c
CTRL_SRCS-y += xc_devicemodel_compat.c
GUEST_SRCS-y :=
-GUEST_SRCS-y += xg_private.c xc_suspend.c
+GUEST_SRCS-y += xg_private.c
+GUEST_SRCS-y += xg_domain.c
+GUEST_SRCS-y += xc_suspend.c
ifeq ($(CONFIG_MIGRATE),y)
GUEST_SRCS-y += xc_sr_common.c
GUEST_SRCS-$(CONFIG_X86) += xc_sr_common_x86.c
diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c
index 71829c2bce..fbc22c4df6 100644
--- a/tools/libxc/xc_domain.c
+++ b/tools/libxc/xc_domain.c
@@ -1892,132 +1892,6 @@ int xc_domain_unbind_pt_spi_irq(xc_interface *xch,
PT_IRQ_TYPE_SPI, 0, 0, 0, 0, spi));
}
-int xc_unmap_domain_meminfo(xc_interface *xch, struct xc_domain_meminfo *minfo)
-{
- struct domain_info_context _di = { .guest_width = minfo->guest_width,
- .p2m_size = minfo->p2m_size};
- struct domain_info_context *dinfo = &_di;
-
- free(minfo->pfn_type);
- if ( minfo->p2m_table )
- munmap(minfo->p2m_table, P2M_FL_ENTRIES * PAGE_SIZE);
- minfo->p2m_table = NULL;
-
- return 0;
-}
-
-int xc_map_domain_meminfo(xc_interface *xch, uint32_t domid,
- struct xc_domain_meminfo *minfo)
-{
- struct domain_info_context _di;
- struct domain_info_context *dinfo = &_di;
-
- xc_dominfo_t info;
- shared_info_any_t *live_shinfo;
- xen_capabilities_info_t xen_caps = "";
- int i;
-
- /* Only be initialized once */
- if ( minfo->pfn_type || minfo->p2m_table )
- {
- errno = EINVAL;
- return -1;
- }
-
- if ( xc_domain_getinfo(xch, domid, 1, &info) != 1 )
- {
- PERROR("Could not get domain info");
- return -1;
- }
-
- if ( xc_domain_get_guest_width(xch, domid, &minfo->guest_width) )
- {
- PERROR("Could not get domain address size");
- return -1;
- }
- _di.guest_width = minfo->guest_width;
-
- /* Get page table levels (see get_platform_info() in xg_save_restore.h */
- if ( xc_version(xch, XENVER_capabilities, &xen_caps) )
- {
- PERROR("Could not get Xen capabilities (for page table levels)");
- return -1;
- }
- if ( strstr(xen_caps, "xen-3.0-x86_64") )
- /* Depends on whether it's a compat 32-on-64 guest */
- minfo->pt_levels = ( (minfo->guest_width == 8) ? 4 : 3 );
- else if ( strstr(xen_caps, "xen-3.0-x86_32p") )
- minfo->pt_levels = 3;
- else if ( strstr(xen_caps, "xen-3.0-x86_32") )
- minfo->pt_levels = 2;
- else
- {
- errno = EFAULT;
- return -1;
- }
-
- /* We need the shared info page for mapping the P2M */
- live_shinfo = xc_map_foreign_range(xch, domid, PAGE_SIZE, PROT_READ,
- info.shared_info_frame);
- if ( !live_shinfo )
- {
- PERROR("Could not map the shared info frame (MFN 0x%lx)",
- info.shared_info_frame);
- return -1;
- }
-
- if ( xc_core_arch_map_p2m_writable(xch, minfo->guest_width, &info,
- live_shinfo, &minfo->p2m_table,
- &minfo->p2m_size) )
- {
- PERROR("Could not map the P2M table");
- munmap(live_shinfo, PAGE_SIZE);
- return -1;
- }
- munmap(live_shinfo, PAGE_SIZE);
- _di.p2m_size = minfo->p2m_size;
-
- /* Make space and prepare for getting the PFN types */
- minfo->pfn_type = calloc(sizeof(*minfo->pfn_type), minfo->p2m_size);
- if ( !minfo->pfn_type )
- {
- PERROR("Could not allocate memory for the PFN types");
- goto failed;
- }
- for ( i = 0; i < minfo->p2m_size; i++ )
- minfo->pfn_type[i] = xc_pfn_to_mfn(i, minfo->p2m_table,
- minfo->guest_width);
-
- /* Retrieve PFN types in batches */
- for ( i = 0; i < minfo->p2m_size ; i+=1024 )
- {
- int count = ((minfo->p2m_size - i ) > 1024 ) ?
- 1024: (minfo->p2m_size - i);
-
- if ( xc_get_pfn_type_batch(xch, domid, count, minfo->pfn_type + i) )
- {
- PERROR("Could not get %d-eth batch of PFN types", (i+1)/1024);
- goto failed;
- }
- }
-
- return 0;
-
-failed:
- if ( minfo->pfn_type )
- {
- free(minfo->pfn_type);
- minfo->pfn_type = NULL;
- }
- if ( minfo->p2m_table )
- {
- munmap(minfo->p2m_table, P2M_FL_ENTRIES * PAGE_SIZE);
- minfo->p2m_table = NULL;
- }
-
- return -1;
-}
-
int xc_domain_memory_mapping(
xc_interface *xch,
uint32_t domid,
diff --git a/tools/libxc/xg_domain.c b/tools/libxc/xg_domain.c
new file mode 100644
index 0000000000..58713cd35d
--- /dev/null
+++ b/tools/libxc/xg_domain.c
@@ -0,0 +1,149 @@
+/******************************************************************************
+ * xg_domain.c
+ *
+ * API for manipulating and obtaining information on domains.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright (c) 2003, K A Fraser.
+ */
+
+#include "xg_private.h"
+#include "xc_core.h"
+
+int xc_unmap_domain_meminfo(xc_interface *xch, struct xc_domain_meminfo *minfo)
+{
+ struct domain_info_context _di = { .guest_width = minfo->guest_width,
+ .p2m_size = minfo->p2m_size};
+ struct domain_info_context *dinfo = &_di;
+
+ free(minfo->pfn_type);
+ if ( minfo->p2m_table )
+ munmap(minfo->p2m_table, P2M_FL_ENTRIES * PAGE_SIZE);
+ minfo->p2m_table = NULL;
+
+ return 0;
+}
+
+int xc_map_domain_meminfo(xc_interface *xch, uint32_t domid,
+ struct xc_domain_meminfo *minfo)
+{
+ struct domain_info_context _di;
+ struct domain_info_context *dinfo = &_di;
+
+ xc_dominfo_t info;
+ shared_info_any_t *live_shinfo;
+ xen_capabilities_info_t xen_caps = "";
+ int i;
+
+ /* Only be initialized once */
+ if ( minfo->pfn_type || minfo->p2m_table )
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if ( xc_domain_getinfo(xch, domid, 1, &info) != 1 )
+ {
+ PERROR("Could not get domain info");
+ return -1;
+ }
+
+ if ( xc_domain_get_guest_width(xch, domid, &minfo->guest_width) )
+ {
+ PERROR("Could not get domain address size");
+ return -1;
+ }
+ _di.guest_width = minfo->guest_width;
+
+ /* Get page table levels (see get_platform_info() in xg_save_restore.h */
+ if ( xc_version(xch, XENVER_capabilities, &xen_caps) )
+ {
+ PERROR("Could not get Xen capabilities (for page table levels)");
+ return -1;
+ }
+ if ( strstr(xen_caps, "xen-3.0-x86_64") )
+ /* Depends on whether it's a compat 32-on-64 guest */
+ minfo->pt_levels = ( (minfo->guest_width == 8) ? 4 : 3 );
+ else if ( strstr(xen_caps, "xen-3.0-x86_32p") )
+ minfo->pt_levels = 3;
+ else if ( strstr(xen_caps, "xen-3.0-x86_32") )
+ minfo->pt_levels = 2;
+ else
+ {
+ errno = EFAULT;
+ return -1;
+ }
+
+ /* We need the shared info page for mapping the P2M */
+ live_shinfo = xc_map_foreign_range(xch, domid, PAGE_SIZE, PROT_READ,
+ info.shared_info_frame);
+ if ( !live_shinfo )
+ {
+ PERROR("Could not map the shared info frame (MFN 0x%lx)",
+ info.shared_info_frame);
+ return -1;
+ }
+
+ if ( xc_core_arch_map_p2m_writable(xch, minfo->guest_width, &info,
+ live_shinfo, &minfo->p2m_table,
+ &minfo->p2m_size) )
+ {
+ PERROR("Could not map the P2M table");
+ munmap(live_shinfo, PAGE_SIZE);
+ return -1;
+ }
+ munmap(live_shinfo, PAGE_SIZE);
+ _di.p2m_size = minfo->p2m_size;
+
+ /* Make space and prepare for getting the PFN types */
+ minfo->pfn_type = calloc(sizeof(*minfo->pfn_type), minfo->p2m_size);
+ if ( !minfo->pfn_type )
+ {
+ PERROR("Could not allocate memory for the PFN types");
+ goto failed;
+ }
+ for ( i = 0; i < minfo->p2m_size; i++ )
+ minfo->pfn_type[i] = xc_pfn_to_mfn(i, minfo->p2m_table,
+ minfo->guest_width);
+
+ /* Retrieve PFN types in batches */
+ for ( i = 0; i < minfo->p2m_size ; i+=1024 )
+ {
+ int count = ((minfo->p2m_size - i ) > 1024 ) ?
+ 1024: (minfo->p2m_size - i);
+
+ if ( xc_get_pfn_type_batch(xch, domid, count, minfo->pfn_type + i) )
+ {
+ PERROR("Could not get %d-eth batch of PFN types", (i+1)/1024);
+ goto failed;
+ }
+ }
+
+ return 0;
+
+failed:
+ if ( minfo->pfn_type )
+ {
+ free(minfo->pfn_type);
+ minfo->pfn_type = NULL;
+ }
+ if ( minfo->p2m_table )
+ {
+ munmap(minfo->p2m_table, P2M_FL_ENTRIES * PAGE_SIZE);
+ minfo->p2m_table = NULL;
+ }
+
+ return -1;
+}
--
generated by git-patchbot for /home/xen/git/xen.git#master
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