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author | Keir Fraser <keir.fraser@citrix.com> | 2009-12-17 06:27:55 +0000 |
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committer | Keir Fraser <keir.fraser@citrix.com> | 2009-12-17 06:27:55 +0000 |
commit | c0c8c01d6776b3cb2c42a6a3c82e484992dc9265 (patch) | |
tree | 8d73795da416fda724c456207cd90c0e6ba6bb2f /tools/libxc | |
parent | 0645e0177f2a7120d5af731d236d84b9a9a6dbb8 (diff) | |
download | xen-c0c8c01d6776b3cb2c42a6a3c82e484992dc9265.tar.gz xen-c0c8c01d6776b3cb2c42a6a3c82e484992dc9265.tar.bz2 xen-c0c8c01d6776b3cb2c42a6a3c82e484992dc9265.zip |
libxc interface support for memory paging domctls.
Signed-off-by: Patrick Colp <Patrick.Colp@citrix.com>
Diffstat (limited to 'tools/libxc')
-rw-r--r-- | tools/libxc/Makefile | 1 | ||||
-rw-r--r-- | tools/libxc/xc_mem_paging.c | 68 | ||||
-rw-r--r-- | tools/libxc/xenctrl.h | 7 |
3 files changed, 76 insertions, 0 deletions
diff --git a/tools/libxc/Makefile b/tools/libxc/Makefile index a36b6acf36..da9b0e48ad 100644 --- a/tools/libxc/Makefile +++ b/tools/libxc/Makefile @@ -23,6 +23,7 @@ CTRL_SRCS-y += xc_cpu_hotplug.c CTRL_SRCS-y += xc_resume.c CTRL_SRCS-y += xc_tmem.c CTRL_SRCS-y += xc_mem_event.c +CTRL_SRCS-y += xc_mem_paging.c CTRL_SRCS-$(CONFIG_X86) += xc_pagetab.c CTRL_SRCS-$(CONFIG_Linux) += xc_linux.c CTRL_SRCS-$(CONFIG_SunOS) += xc_solaris.c diff --git a/tools/libxc/xc_mem_paging.c b/tools/libxc/xc_mem_paging.c new file mode 100644 index 0000000000..1e9f4b2244 --- /dev/null +++ b/tools/libxc/xc_mem_paging.c @@ -0,0 +1,68 @@ +/****************************************************************************** + * + * tools/libxc/xc_mem_paging.c + * + * Interface to low-level memory paging functionality. + * + * Copyright (c) 2009 by Citrix (R&D) Ltd. (Patrick Colp) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include "xc_private.h" + + +int xc_mem_paging_nominate(int xc_handle, domid_t domain_id, unsigned long gfn) +{ + return xc_mem_event_control(xc_handle, domain_id, + XEN_DOMCTL_MEM_EVENT_OP_PAGING_NOMINATE, + XEN_DOMCTL_MEM_EVENT_OP_PAGING, NULL, NULL, + gfn); +} + +int xc_mem_paging_evict(int xc_handle, domid_t domain_id, unsigned long gfn) +{ + return xc_mem_event_control(xc_handle, domain_id, + XEN_DOMCTL_MEM_EVENT_OP_PAGING_EVICT, + XEN_DOMCTL_MEM_EVENT_OP_PAGING, NULL, NULL, + gfn); +} + +int xc_mem_paging_prep(int xc_handle, domid_t domain_id, unsigned long gfn) +{ + return xc_mem_event_control(xc_handle, domain_id, + XEN_DOMCTL_MEM_EVENT_OP_PAGING_PREP, + XEN_DOMCTL_MEM_EVENT_OP_PAGING, NULL, NULL, + gfn); +} + +int xc_mem_paging_resume(int xc_handle, domid_t domain_id, unsigned long gfn) +{ + return xc_mem_event_control(xc_handle, domain_id, + XEN_DOMCTL_MEM_EVENT_OP_PAGING_RESUME, + XEN_DOMCTL_MEM_EVENT_OP_PAGING, NULL, NULL, + gfn); +} + + +/* + * Local variables: + * mode: C + * c-set-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h index 234695f791..aa237961f0 100644 --- a/tools/libxc/xenctrl.h +++ b/tools/libxc/xenctrl.h @@ -1325,4 +1325,11 @@ int xc_mem_event_enable(int xc_handle, domid_t domain_id, void *shared_page, void *ring_page); int xc_mem_event_disable(int xc_handle, domid_t domain_id); +int xc_mem_paging_nominate(int xc_handle, domid_t domain_id, + unsigned long gfn); +int xc_mem_paging_evict(int xc_handle, domid_t domain_id, unsigned long gfn); +int xc_mem_paging_prep(int xc_handle, domid_t domain_id, unsigned long gfn); +int xc_mem_paging_resume(int xc_handle, domid_t domain_id, + unsigned long gfn); + #endif /* XENCTRL_H */ |