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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] libxenguest: Revert domain builder interface changes for 'superpages'
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1248101150 -3600
# Node ID 5333e6497af69f98a11c4c4c3bd9d9d473f3c6d5
# Parent 6d41644623de6d8f1bab853031a72e23f53d94b2
libxenguest: Revert domain builder interface changes for 'superpages'
parameter, and place the flag in a pad byte of 'struct xc_dom_image'
instead.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
tools/libxc/xc_dom.h | 5 ++--
tools/libxc/xc_dom_boot.c | 4 +--
tools/libxc/xc_dom_compat_linux.c | 22 ++++++++----------
tools/libxc/xc_dom_ia64.c | 2 -
tools/libxc/xc_dom_x86.c | 45 ++++++++++++++++++--------------------
tools/libxc/xenguest.h | 11 ++-------
tools/python/xen/lowlevel/xc/xc.c | 4 ++-
7 files changed, 44 insertions(+), 49 deletions(-)
diff -r 6d41644623de -r 5333e6497af6 tools/libxc/xc_dom.h
--- a/tools/libxc/xc_dom.h Mon Jul 20 10:58:06 2009 +0100
+++ b/tools/libxc/xc_dom.h Mon Jul 20 15:45:50 2009 +0100
@@ -96,6 +96,7 @@ struct xc_dom_image {
int guest_xc;
domid_t guest_domid;
int8_t vhpt_size_log2; /* for IA64 */
+ int8_t superpages;
int shadow_enabled;
int xen_version;
@@ -174,7 +175,7 @@ int xc_dom_update_guest_p2m(struct xc_do
int xc_dom_update_guest_p2m(struct xc_dom_image *dom);
int xc_dom_boot_xen_init(struct xc_dom_image *dom, int xc, domid_t domid);
-int xc_dom_boot_mem_init(struct xc_dom_image *dom, int superpages);
+int xc_dom_boot_mem_init(struct xc_dom_image *dom);
void *xc_dom_boot_domU_map(struct xc_dom_image *dom, xen_pfn_t pfn,
xen_pfn_t count);
int xc_dom_boot_image(struct xc_dom_image *dom);
@@ -260,7 +261,7 @@ static inline xen_pfn_t xc_dom_p2m_guest
/* --- arch bits --------------------------------------------------- */
-int arch_setup_meminit(struct xc_dom_image *dom, int superpages);
+int arch_setup_meminit(struct xc_dom_image *dom);
int arch_setup_bootearly(struct xc_dom_image *dom);
int arch_setup_bootlate(struct xc_dom_image *dom);
diff -r 6d41644623de -r 5333e6497af6 tools/libxc/xc_dom_boot.c
--- a/tools/libxc/xc_dom_boot.c Mon Jul 20 10:58:06 2009 +0100
+++ b/tools/libxc/xc_dom_boot.c Mon Jul 20 15:45:50 2009 +0100
@@ -129,13 +129,13 @@ int xc_dom_boot_xen_init(struct xc_dom_i
return 0;
}
-int xc_dom_boot_mem_init(struct xc_dom_image *dom, int superpages)
+int xc_dom_boot_mem_init(struct xc_dom_image *dom)
{
long rc;
xc_dom_printf("%s: called\n", __FUNCTION__);
- rc = arch_setup_meminit(dom, superpages);
+ rc = arch_setup_meminit(dom);
if ( rc != 0 )
{
xc_dom_panic(XC_OUT_OF_MEMORY,
diff -r 6d41644623de -r 5333e6497af6 tools/libxc/xc_dom_compat_linux.c
--- a/tools/libxc/xc_dom_compat_linux.c Mon Jul 20 10:58:06 2009 +0100
+++ b/tools/libxc/xc_dom_compat_linux.c Mon Jul 20 15:45:50 2009 +0100
@@ -28,8 +28,7 @@ static int xc_linux_build_internal(struc
unsigned int store_evtchn,
unsigned long *store_mfn,
unsigned int console_evtchn,
- unsigned long *console_mfn,
- int superpages)
+ unsigned long *console_mfn)
{
int rc;
@@ -43,7 +42,7 @@ static int xc_linux_build_internal(struc
goto out;
if ( (rc = xc_dom_mem_init(dom, mem_mb)) != 0 )
goto out;
- if ( (rc = xc_dom_boot_mem_init(dom, superpages)) != 0 )
+ if ( (rc = xc_dom_boot_mem_init(dom)) != 0 )
goto out;
if ( (rc = xc_dom_build_image(dom)) != 0 )
goto out;
@@ -68,8 +67,8 @@ int xc_linux_build_mem(int xc_handle, ui
unsigned long flags,
unsigned int store_evtchn,
unsigned long *store_mfn,
- unsigned int console_evtchn, unsigned long *console_mfn,
- int superpages)
+ unsigned int console_evtchn,
+ unsigned long *console_mfn)
{
struct xc_dom_image *dom;
int rc;
@@ -84,7 +83,7 @@ int xc_linux_build_mem(int xc_handle, ui
rc = xc_linux_build_internal(dom, xc_handle, domid,
mem_mb, flags,
store_evtchn, store_mfn,
- console_evtchn, console_mfn, superpages);
+ console_evtchn, console_mfn);
out:
xc_dom_release(dom);
@@ -100,8 +99,8 @@ int xc_linux_build(int xc_handle, uint32
unsigned long flags,
unsigned int store_evtchn,
unsigned long *store_mfn,
- unsigned int console_evtchn, unsigned long *console_mfn,
- int superpages)
+ unsigned int console_evtchn,
+ unsigned long *console_mfn)
{
struct xc_dom_image *dom;
int rc;
@@ -117,7 +116,7 @@ int xc_linux_build(int xc_handle, uint32
rc = xc_linux_build_internal(dom, xc_handle, domid,
mem_mb, flags,
store_evtchn, store_mfn,
- console_evtchn, console_mfn, superpages);
+ console_evtchn, console_mfn);
out:
xc_dom_release(dom);
@@ -133,8 +132,7 @@ int xc_dom_linux_build(int xc_handle,
unsigned long flags,
unsigned int store_evtchn,
unsigned long *store_mfn,
- unsigned int console_evtchn, unsigned long *console_mfn,
- int superpages)
+ unsigned int console_evtchn, unsigned long *console_mfn)
{
int rc;
@@ -147,7 +145,7 @@ int xc_dom_linux_build(int xc_handle,
return xc_linux_build_internal(dom, xc_handle, domid,
mem_mb, flags,
store_evtchn, store_mfn,
- console_evtchn, console_mfn, superpages);
+ console_evtchn, console_mfn);
}
/*
diff -r 6d41644623de -r 5333e6497af6 tools/libxc/xc_dom_ia64.c
--- a/tools/libxc/xc_dom_ia64.c Mon Jul 20 10:58:06 2009 +0100
+++ b/tools/libxc/xc_dom_ia64.c Mon Jul 20 15:45:50 2009 +0100
@@ -149,7 +149,7 @@ static void __init register_arch_hooks(v
#include "xc_efi.h"
-int arch_setup_meminit(struct xc_dom_image *dom, int superpages)
+int arch_setup_meminit(struct xc_dom_image *dom)
{
xen_pfn_t pfn;
int rc;
diff -r 6d41644623de -r 5333e6497af6 tools/libxc/xc_dom_x86.c
--- a/tools/libxc/xc_dom_x86.c Mon Jul 20 10:58:06 2009 +0100
+++ b/tools/libxc/xc_dom_x86.c Mon Jul 20 15:45:50 2009 +0100
@@ -694,10 +694,10 @@ static int x86_shadow(int xc, domid_t do
return rc;
}
-int arch_setup_meminit(struct xc_dom_image *dom, int superpages)
+int arch_setup_meminit(struct xc_dom_image *dom)
{
int rc;
- xen_pfn_t pfn, allocsz, i;
+ xen_pfn_t pfn, allocsz, i, j, mfn;
rc = x86_compat(dom->guest_xc, dom->guest_domid, dom->guest_type);
if ( rc )
@@ -711,47 +711,46 @@ int arch_setup_meminit(struct xc_dom_ima
}
dom->p2m_host = xc_dom_malloc(dom, sizeof(xen_pfn_t) * dom->total_pages);
- if (superpages)
+ if ( dom->superpages )
{
int count = dom->total_pages >> SUPERPAGE_PFN_SHIFT;
xen_pfn_t extents[count];
xc_dom_printf("Populating memory with %d superpages\n", count);
- for (pfn = 0; pfn < count; pfn++)
+ for ( pfn = 0; pfn < count; pfn++ )
extents[pfn] = pfn << SUPERPAGE_PFN_SHIFT;
rc = xc_domain_memory_populate_physmap(dom->guest_xc, dom->guest_domid,
count, SUPERPAGE_PFN_SHIFT, 0,
extents);
- if (!rc)
- {
- int i, j;
- xen_pfn_t mfn;
-
- /* Expand the returned mfn into the p2m array */
- pfn = 0;
- for (i = 0; i < count; i++)
- {
- mfn = extents[i];
- for (j = 0; j < SUPERPAGE_NR_PFNS; j++, pfn++)
- {
- dom->p2m_host[pfn] = mfn + j;
- }
- }
- }
- } else
+ if ( rc )
+ return rc;
+
+ /* Expand the returned mfn into the p2m array */
+ pfn = 0;
+ for ( i = 0; i < count; i++ )
+ {
+ mfn = extents[i];
+ for ( j = 0; j < SUPERPAGE_NR_PFNS; j++, pfn++ )
+ dom->p2m_host[pfn] = mfn + j;
+ }
+ }
+ else
{
/* setup initial p2m */
for ( pfn = 0; pfn < dom->total_pages; pfn++ )
dom->p2m_host[pfn] = pfn;
/* allocate guest memory */
- for ( i = rc = allocsz = 0; (i < dom->total_pages) && !rc; i +=
allocsz )
+ for ( i = rc = allocsz = 0;
+ (i < dom->total_pages) && !rc;
+ i += allocsz )
{
allocsz = dom->total_pages - i;
if ( allocsz > 1024*1024 )
allocsz = 1024*1024;
rc = xc_domain_memory_populate_physmap(
- dom->guest_xc, dom->guest_domid, allocsz, 0, 0,
&dom->p2m_host[i]);
+ dom->guest_xc, dom->guest_domid, allocsz,
+ 0, 0, &dom->p2m_host[i]);
}
}
diff -r 6d41644623de -r 5333e6497af6 tools/libxc/xenguest.h
--- a/tools/libxc/xenguest.h Mon Jul 20 10:58:06 2009 +0100
+++ b/tools/libxc/xenguest.h Mon Jul 20 15:45:50 2009 +0100
@@ -63,7 +63,6 @@ int xc_domain_restore(int xc_handle, int
* @parm store_mfn returned with the mfn of the store page
* @parm console_evtchn the console event channel for this domain to use
* @parm conole_mfn returned with the mfn of the console page
- * @parm superpages populate memory in guest with superpages
* @return 0 on success, -1 on failure
*/
int xc_linux_build(int xc_handle,
@@ -77,8 +76,7 @@ int xc_linux_build(int xc_handle,
unsigned int store_evtchn,
unsigned long *store_mfn,
unsigned int console_evtchn,
- unsigned long *console_mfn,
- int superpages);
+ unsigned long *console_mfn);
/** The same interface, but the dom structure is managed by the caller */
struct xc_dom_image;
@@ -92,8 +90,7 @@ int xc_dom_linux_build(int xc_handle,
unsigned int store_evtchn,
unsigned long *store_mfn,
unsigned int console_evtchn,
- unsigned long *console_mfn,
- int superpages);
+ unsigned long *console_mfn);
/**
* This function will create a domain for a paravirtualized Linux
@@ -112,7 +109,6 @@ int xc_dom_linux_build(int xc_handle,
* @parm store_mfn returned with the mfn of the store page
* @parm console_evtchn the console event channel for this domain to use
* @parm conole_mfn returned with the mfn of the console page
- * @parm superpages populate memory in guest with superpages
* @return 0 on success, -1 on failure
*/
int xc_linux_build_mem(int xc_handle,
@@ -128,8 +124,7 @@ int xc_linux_build_mem(int xc_handle,
unsigned int store_evtchn,
unsigned long *store_mfn,
unsigned int console_evtchn,
- unsigned long *console_mfn,
- int superpages);
+ unsigned long *console_mfn);
int xc_hvm_build(int xc_handle,
uint32_t domid,
diff -r 6d41644623de -r 5333e6497af6 tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c Mon Jul 20 10:58:06 2009 +0100
+++ b/tools/python/xen/lowlevel/xc/xc.c Mon Jul 20 15:45:50 2009 +0100
@@ -436,9 +436,11 @@ static PyObject *pyxc_linux_build(XcObje
/* for IA64 */
dom->vhpt_size_log2 = vhpt;
+ dom->superpages = superpages;
+
if ( xc_dom_linux_build(self->xc_handle, dom, domid, mem_mb, image,
ramdisk, flags, store_evtchn, &store_mfn,
- console_evtchn, &console_mfn, superpages) != 0 ) {
+ console_evtchn, &console_mfn) != 0 ) {
goto out;
}
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