From: Anthony PERARD <anthony.perard@citrix.com> To: Lan Tianyu <tianyu.lan@intel.com> Cc: qemu-devel@nongnu.org, xen-devel@lists.xensource.com, Chao Gao <chao.gao@intel.com>, mst@redhat.com, marcel@redhat.com, sstabellini@kernel.org, kevin.tian@intel.com Subject: Re: [Qemu-devel] [PATCH 2/3] xen-pt: bind/unbind interrupt remapping format MSI Date: Fri, 30 Jun 2017 16:48:14 +0100 [thread overview] Message-ID: <20170630154814.GF1598@perard.uk.xensource.com> (raw) In-Reply-To: <1498715394-16402-3-git-send-email-tianyu.lan@intel.com> On Thu, Jun 29, 2017 at 01:49:53AM -0400, Lan Tianyu wrote: > From: Chao Gao <chao.gao@intel.com> > > If a vIOMMU is exposed to guest, guest will configure the msi to remapping > format. The original code isn't suitable to the new format. A new pair > bind/unbind interfaces are added for this usage. This patch recognizes > this case and uses new interfaces to bind/unbind msi. > > Signed-off-by: Chao Gao <chao.gao@intel.com> > Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Hi, The patch series is going to need to be rebased on top of QEMU upstream. For starter, configure have changed a bit. > --- > configure | 54 +++++++++++++++++++++++++++++++++++++++++++ > hw/xen/xen_pt_msi.c | 50 ++++++++++++++++++++++++++++----------- > include/hw/i386/apic-msidef.h | 1 + > include/hw/xen/xen_common.h | 25 ++++++++++++++++++++ > 4 files changed, 117 insertions(+), 13 deletions(-) > > diff --git a/configure b/configure > index 476210b..b3ac49f 100755 > --- a/configure > +++ b/configure > @@ -1982,6 +1982,60 @@ EOF > /* > * If we have stable libs the we don't want the libxc compat > * layers, regardless of what CFLAGS we may have been given. > + */ > +#undef XC_WANT_COMPAT_EVTCHN_API > +#undef XC_WANT_COMPAT_GNTTAB_API > +#undef XC_WANT_COMPAT_MAP_FOREIGN_API > +#include <xenctrl.h> > +#include <xenstore.h> > +#include <xenevtchn.h> > +#include <xengnttab.h> > +#include <xenforeignmemory.h> > +#include <stdint.h> > +#include <xen/hvm/hvm_info_table.h> > +#if !defined(HVM_MAX_VCPUS) > +# error HVM_MAX_VCPUS not defined > +#endif > +int main(void) { > + xc_interface *xc = NULL; > + xenforeignmemory_handle *xfmem; > + xenevtchn_handle *xe; > + xengnttab_handle *xg; > + xen_domain_handle_t handle; > + xengnttab_grant_copy_segment_t* seg = NULL; > + > + xs_daemon_open(); > + > + xc = xc_interface_open(0, 0, 0); > + xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); > + xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); > + xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); > + xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); > + xc_domain_create(xc, 0, handle, 0, NULL, NULL); > + > + xfmem = xenforeignmemory_open(0, 0); > + xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); > + > + xe = xenevtchn_open(0, 0); > + xenevtchn_fd(xe); > + > + xg = xengnttab_open(0, 0); > + xengnttab_grant_copy(xg, 0, seg); > + > + xc_domain_update_msi_irq_remapping(xc, 0, 0, 0, 0, 0 ,0); > + > + return 0; > +} > +EOF > + compile_prog "" "$xen_libs $xen_stable_libs" > + then > + xen_ctrl_version=4100 > + xen=yes There have been some change/refactoring in configure, so this won't work. The xen_ctrl_version got one more digit. Can you try with this patch? Which is also simpler. diff --git a/configure b/configure index c571ad14e5..a06f2c0b92 100755 --- a/configure +++ b/configure @@ -2021,6 +2021,24 @@ EOF # Xen unstable elif cat > $TMPC <<EOF && +#include <xenctrl.h> +int main(void) { + xc_interface *xc = NULL; + + xc_domain_update_msi_irq_remapping(xc, 0, 0, 0, 0, 0 ,0); + + return 0; +} +EOF + compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" + then + xen_stable_libs="-lxendevicemodel $xen_stable_libs" + xen_ctrl_version=41000 + xen=yes + + # Xen 4.9 + elif + cat > $TMPC <<EOF && #undef XC_WANT_COMPAT_DEVICEMODEL_API #define __XEN_TOOLS__ #include <xendevicemodel.h> > index 8e1580d..4ba43a8 100644 > --- a/include/hw/xen/xen_common.h > +++ b/include/hw/xen/xen_common.h > @@ -438,4 +438,29 @@ static inline int xengnttab_grant_copy(xengnttab_handle *xgt, uint32_t count, > } > #endif > > +/* Xen before 4.10 */ > +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 4100 This will needs to be CONFIG_XEN_CTRL_INTERFACE_VERSION < 41000 The rest of the patch is good, Thanks, -- Anthony PERARD
WARNING: multiple messages have this Message-ID (diff)
From: Anthony PERARD <anthony.perard@citrix.com> To: Lan Tianyu <tianyu.lan@intel.com> Cc: kevin.tian@intel.com, sstabellini@kernel.org, mst@redhat.com, qemu-devel@nongnu.org, xen-devel@lists.xensource.com, marcel@redhat.com, Chao Gao <chao.gao@intel.com> Subject: Re: [PATCH 2/3] xen-pt: bind/unbind interrupt remapping format MSI Date: Fri, 30 Jun 2017 16:48:14 +0100 [thread overview] Message-ID: <20170630154814.GF1598@perard.uk.xensource.com> (raw) In-Reply-To: <1498715394-16402-3-git-send-email-tianyu.lan@intel.com> On Thu, Jun 29, 2017 at 01:49:53AM -0400, Lan Tianyu wrote: > From: Chao Gao <chao.gao@intel.com> > > If a vIOMMU is exposed to guest, guest will configure the msi to remapping > format. The original code isn't suitable to the new format. A new pair > bind/unbind interfaces are added for this usage. This patch recognizes > this case and uses new interfaces to bind/unbind msi. > > Signed-off-by: Chao Gao <chao.gao@intel.com> > Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Hi, The patch series is going to need to be rebased on top of QEMU upstream. For starter, configure have changed a bit. > --- > configure | 54 +++++++++++++++++++++++++++++++++++++++++++ > hw/xen/xen_pt_msi.c | 50 ++++++++++++++++++++++++++++----------- > include/hw/i386/apic-msidef.h | 1 + > include/hw/xen/xen_common.h | 25 ++++++++++++++++++++ > 4 files changed, 117 insertions(+), 13 deletions(-) > > diff --git a/configure b/configure > index 476210b..b3ac49f 100755 > --- a/configure > +++ b/configure > @@ -1982,6 +1982,60 @@ EOF > /* > * If we have stable libs the we don't want the libxc compat > * layers, regardless of what CFLAGS we may have been given. > + */ > +#undef XC_WANT_COMPAT_EVTCHN_API > +#undef XC_WANT_COMPAT_GNTTAB_API > +#undef XC_WANT_COMPAT_MAP_FOREIGN_API > +#include <xenctrl.h> > +#include <xenstore.h> > +#include <xenevtchn.h> > +#include <xengnttab.h> > +#include <xenforeignmemory.h> > +#include <stdint.h> > +#include <xen/hvm/hvm_info_table.h> > +#if !defined(HVM_MAX_VCPUS) > +# error HVM_MAX_VCPUS not defined > +#endif > +int main(void) { > + xc_interface *xc = NULL; > + xenforeignmemory_handle *xfmem; > + xenevtchn_handle *xe; > + xengnttab_handle *xg; > + xen_domain_handle_t handle; > + xengnttab_grant_copy_segment_t* seg = NULL; > + > + xs_daemon_open(); > + > + xc = xc_interface_open(0, 0, 0); > + xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); > + xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); > + xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); > + xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); > + xc_domain_create(xc, 0, handle, 0, NULL, NULL); > + > + xfmem = xenforeignmemory_open(0, 0); > + xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); > + > + xe = xenevtchn_open(0, 0); > + xenevtchn_fd(xe); > + > + xg = xengnttab_open(0, 0); > + xengnttab_grant_copy(xg, 0, seg); > + > + xc_domain_update_msi_irq_remapping(xc, 0, 0, 0, 0, 0 ,0); > + > + return 0; > +} > +EOF > + compile_prog "" "$xen_libs $xen_stable_libs" > + then > + xen_ctrl_version=4100 > + xen=yes There have been some change/refactoring in configure, so this won't work. The xen_ctrl_version got one more digit. Can you try with this patch? Which is also simpler. diff --git a/configure b/configure index c571ad14e5..a06f2c0b92 100755 --- a/configure +++ b/configure @@ -2021,6 +2021,24 @@ EOF # Xen unstable elif cat > $TMPC <<EOF && +#include <xenctrl.h> +int main(void) { + xc_interface *xc = NULL; + + xc_domain_update_msi_irq_remapping(xc, 0, 0, 0, 0, 0 ,0); + + return 0; +} +EOF + compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" + then + xen_stable_libs="-lxendevicemodel $xen_stable_libs" + xen_ctrl_version=41000 + xen=yes + + # Xen 4.9 + elif + cat > $TMPC <<EOF && #undef XC_WANT_COMPAT_DEVICEMODEL_API #define __XEN_TOOLS__ #include <xendevicemodel.h> > index 8e1580d..4ba43a8 100644 > --- a/include/hw/xen/xen_common.h > +++ b/include/hw/xen/xen_common.h > @@ -438,4 +438,29 @@ static inline int xengnttab_grant_copy(xengnttab_handle *xgt, uint32_t count, > } > #endif > > +/* Xen before 4.10 */ > +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 4100 This will needs to be CONFIG_XEN_CTRL_INTERFACE_VERSION < 41000 The rest of the patch is good, Thanks, -- Anthony PERARD _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2017-06-30 15:48 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-06-29 5:49 [Qemu-devel] [PATCH 0/3] Qemu: Add Xen vIOMMU interrupt remapping function support Lan Tianyu 2017-06-29 5:49 ` Lan Tianyu 2017-06-29 5:49 ` [Qemu-devel] [PATCH 1/3] i386/msi: Correct mask of destination ID in MSI address Lan Tianyu 2017-06-29 5:49 ` Lan Tianyu 2017-06-30 13:49 ` [Qemu-devel] " Anthony PERARD 2017-06-30 13:49 ` Anthony PERARD 2017-07-04 2:31 ` [Qemu-devel] " Peter Xu 2017-07-04 2:31 ` Peter Xu 2017-06-29 5:49 ` [Qemu-devel] [PATCH 2/3] xen-pt: bind/unbind interrupt remapping format MSI Lan Tianyu 2017-06-29 5:49 ` Lan Tianyu 2017-06-30 15:48 ` Anthony PERARD [this message] 2017-06-30 15:48 ` Anthony PERARD 2017-07-04 1:52 ` [Qemu-devel] " Lan Tianyu 2017-07-04 1:52 ` Lan Tianyu 2017-06-29 5:49 ` [Qemu-devel] [PATCH 3/3] msi: Handle remappable format interrupt request Lan Tianyu 2017-06-29 5:49 ` Lan Tianyu 2017-06-30 15:52 ` [Qemu-devel] " Anthony PERARD 2017-06-30 15:52 ` Anthony PERARD 2017-07-06 23:50 ` [Qemu-devel] [PATCH 0/3] Qemu: Add Xen vIOMMU interrupt remapping function support no-reply 2017-07-06 23:50 ` no-reply 2017-07-07 0:02 ` Fam Zheng 2017-07-07 0:02 ` Fam Zheng
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