On 21.08.20 09:16, Jan Beulich wrote:
Hi Jan.
Thank you for your answer.
On 20.08.2020 20:30, Oleksandr wrote:
On 06.08.20 14:29, Jan Beulich wrote:
On 06.08.2020 13:08, Julien Grall wrote:
On 05/08/2020 20:30, Oleksandr wrote:
I was thinking how to split handle_hvm_io_completion()
grace
On 20.08.2020 20:30, Oleksandr wrote:
> On 06.08.20 14:29, Jan Beulich wrote:
>> On 06.08.2020 13:08, Julien Grall wrote:
>>> On 05/08/2020 20:30, Oleksandr wrote:
I was thinking how to split handle_hvm_io_completion()
gracefully but I failed find a good solution for that, so decided to a
Hello all.
I would like to clarify some questions based on the comments for the
patch series. I put them together (please see below).
On 06.08.20 14:29, Jan Beulich wrote:
On 06.08.2020 13:08, Julien Grall wrote:
On 05/08/2020 20:30, Oleksandr wrote:
I was thinking how to split handle_h
On 15.08.20 20:56, Julien Grall wrote:
Hi Julien.
Hi,
On 04/08/2020 15:01, Julien Grall wrote:
On 04/08/2020 08:49, Paul Durrant wrote:
diff --git a/tools/libxc/xc_dom_arm.c b/tools/libxc/xc_dom_arm.c
index 931404c..b5fc066 100644
--- a/tools/libxc/xc_dom_arm.c
+++ b/tools/libxc/xc_dom_arm
Hi,
On 04/08/2020 15:01, Julien Grall wrote:
On 04/08/2020 08:49, Paul Durrant wrote:
diff --git a/tools/libxc/xc_dom_arm.c b/tools/libxc/xc_dom_arm.c
index 931404c..b5fc066 100644
--- a/tools/libxc/xc_dom_arm.c
+++ b/tools/libxc/xc_dom_arm.c
@@ -26,11 +26,19 @@
#include "xg_private.h"
#inc
On 14.08.20 01:14, Julien Grall wrote:
Hi Julien
On Thu, 13 Aug 2020 at 21:40, Oleksandr Tyshchenko wrote:
Hi
Sorry for the possible format issue.
On Thu, Aug 13, 2020 at 9:42 PM Oleksandr wrote:
On 11.08.20 20:50, Julien Grall wrote:
Hi Julien
On 11/08/2020 18:09, Oleksandr wrote
On Thu, 13 Aug 2020 at 21:40, Oleksandr Tyshchenko wrote:
>
>
> Hi
>
> Sorry for the possible format issue.
>
> On Thu, Aug 13, 2020 at 9:42 PM Oleksandr wrote:
>>
>>
>> On 11.08.20 20:50, Julien Grall wrote:
>>
>> Hi Julien
>>
>> >
>> >
>> > On 11/08/2020 18:09, Oleksandr wrote:
>> >>
>> >> On 0
On 13.08.20 23:36, Julien Grall wrote:
Hi Julien
On 13/08/2020 19:41, Oleksandr wrote:
Rebooting domain 2
root@generic-armv8-xt-dom0:~# (XEN) Xen BUG at
...tAUTOINC+bb71237a55-r0/git/xen/include/xen/mm.h:683
(XEN) [ Xen-4.14.0 arm64 debug=y Not tainted ]
(XEN) CPU: 3
(XEN)
Hi
Sorry for the possible format issue.
On Thu, Aug 13, 2020 at 9:42 PM Oleksandr wrote:
>
> On 11.08.20 20:50, Julien Grall wrote:
>
> Hi Julien
>
> >
> >
> > On 11/08/2020 18:09, Oleksandr wrote:
> >>
> >> On 05.08.20 12:32, Julien Grall wrote:
> >>
> >> Hi Julien, Stefano
> >>
> >>>
> >
On 13/08/2020 19:41, Oleksandr wrote:
Rebooting domain 2
root@generic-armv8-xt-dom0:~# (XEN) Xen BUG at
...tAUTOINC+bb71237a55-r0/git/xen/include/xen/mm.h:683
(XEN) [ Xen-4.14.0 arm64 debug=y Not tainted ]
(XEN) CPU: 3
(XEN) PC: 00246f28 ioreq.c#hvm_free_ioreq_mfn+
On 11.08.20 20:50, Julien Grall wrote:
Hi Julien
On 11/08/2020 18:09, Oleksandr wrote:
On 05.08.20 12:32, Julien Grall wrote:
Hi Julien, Stefano
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 5fdb6e8..5823f11 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/
Hi Julien
@@ -2275,6 +2282,16 @@ static void check_for_vcpu_work(void)
*/
void leave_hypervisor_to_guest(void)
{
+#ifdef CONFIG_IOREQ_SERVER
+ /*
+ * XXX: Check the return. Shall we call that in
+ * continue_running and context_switch instead?
+ * The benefits would b
On 11/08/2020 18:09, Oleksandr wrote:
On 05.08.20 12:32, Julien Grall wrote:
Hi Julien, Stefano
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 5fdb6e8..5823f11 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -385,10 +385,11 @@ static in
On 05.08.20 12:32, Julien Grall wrote:
Hi Julien, Stefano
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 5fdb6e8..5823f11 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -385,10 +385,11 @@ static inline int set_foreign_p2m_entry(struct
do
On 11.08.20 01:37, Julien Grall wrote:
Hi Julien
On Mon, 10 Aug 2020 at 21:29, Oleksandr wrote:
On 10.08.20 22:00, Julien Grall wrote:
Hi Julien
@@ -2275,6 +2282,16 @@ static void check_for_vcpu_work(void)
*/
void leave_hypervisor_to_guest(void)
{
+#ifdef CONFIG_IOREQ_SERVER
+
On Mon, 10 Aug 2020 at 21:29, Oleksandr wrote:
>
>
> On 10.08.20 22:00, Julien Grall wrote:
>
> Hi Julien
>
> >
> >>>
> > @@ -2275,6 +2282,16 @@ static void check_for_vcpu_work(void)
> >*/
> > void leave_hypervisor_to_guest(void)
> > {
> > +#ifdef CONFIG_IOREQ_SERVER
>
On 10.08.20 22:00, Julien Grall wrote:
Hi Julien
@@ -2275,6 +2282,16 @@ static void check_for_vcpu_work(void)
*/
void leave_hypervisor_to_guest(void)
{
+#ifdef CONFIG_IOREQ_SERVER
+ /*
+ * XXX: Check the return. Shall we call that in
+ * continue_running and context_swit
On 10.08.20 21:25, Julien Grall wrote:
Hi Julien
Do you mind to provide more details?
Previous patch "xen/mm: Make x86's XENMEM_resource_ioreq_server
handling common" breaks build on Arm as it includes xen/hvm/ioreq.h
which requires arch header
to be present (asm/hvm/ioreq.h). But the mi
On 10/08/2020 19:09, Oleksandr wrote:
On 05.08.20 12:32, Julien Grall wrote:
Hi Julien
@@ -2275,6 +2282,16 @@ static void check_for_vcpu_work(void)
*/
void leave_hypervisor_to_guest(void)
{
+#ifdef CONFIG_IOREQ_SERVER
+ /*
+ * XXX: Check the return. Shall we call that in
+
On 06/08/2020 14:27, Oleksandr wrote:
On 06.08.20 14:08, Julien Grall wrote:
Hi Julien
What is this function supposed to do?
Agree, sounds confusing a bit. I assume it is supposed to complete
Guest MMIO access after finishing emulation.
Shall I rename it to something appropriate (mayb
Hi
@@ -2275,6 +2282,16 @@ static void check_for_vcpu_work(void)
*/
void leave_hypervisor_to_guest(void)
{
+#ifdef CONFIG_IOREQ_SERVER
+ /*
+ * XXX: Check the return. Shall we call that in
+ * continue_running and context_switch instead?
+ * The benefits would be to a
On 05.08.20 12:32, Julien Grall wrote:
Hi Julien
@@ -2275,6 +2282,16 @@ static void check_for_vcpu_work(void)
*/
void leave_hypervisor_to_guest(void)
{
+#ifdef CONFIG_IOREQ_SERVER
+ /*
+ * XXX: Check the return. Shall we call that in
+ * continue_running and context_switch
On 06.08.20 14:08, Julien Grall wrote:
Hi Julien
What is this function supposed to do?
Agree, sounds confusing a bit. I assume it is supposed to complete
Guest MMIO access after finishing emulation.
Shall I rename it to something appropriate (maybe by adding ioreq
prefix)?
How about i
On 06.08.2020 13:08, Julien Grall wrote:
> On 05/08/2020 20:30, Oleksandr wrote:
>> I was thinking how to split handle_hvm_io_completion()
>> gracefully but I failed find a good solution for that, so decided to add
>> two stubs (msix_write_completion and handle_realmode_completion) on Arm.
>> I
On 05/08/2020 20:30, Oleksandr wrote:
On 05.08.20 17:12, Julien Grall wrote:
Hi,
Hi Julien
On 03/08/2020 19:21, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
This patch makes possible to forward Guest MMIO accesses
to a device emulator on Arm and enables that support for
Ar
Hi,
On 05/08/2020 16:41, Oleksandr wrote:
On 05.08.20 12:32, Julien Grall wrote:
Hi Julien.
Hi Stefano,
On 05/08/2020 00:22, Stefano Stabellini wrote:
On Mon, 3 Aug 2020, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
This patch makes possible to forward Guest MMIO accesses
to a
On 05.08.20 19:13, Jan Beulich wrote:
Hi, Jan
On 03.08.2020 20:21, Oleksandr Tyshchenko wrote:
--- a/xen/include/xsm/dummy.h
+++ b/xen/include/xsm/dummy.h
@@ -713,14 +713,14 @@ static XSM_INLINE int xsm_pmu_op (XSM_DEFAULT_ARG struct
domain *d, unsigned int
}
}
+#endif /* CONFIG_
On 05.08.20 19:41, Stefano Stabellini wrote:
Hi Stefano
On Wed, 5 Aug 2020, Jan Beulich wrote:
On 05.08.2020 01:22, Stefano Stabellini wrote:
On Mon, 3 Aug 2020, Oleksandr Tyshchenko wrote:
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -385,10 +385,11 @@ static inline i
On 05.08.20 17:12, Julien Grall wrote:
Hi,
Hi Julien
On 03/08/2020 19:21, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
This patch makes possible to forward Guest MMIO accesses
to a device emulator on Arm and enables that support for
Arm64.
Also update XSM code a bit to let D
On Wed, 5 Aug 2020, Jan Beulich wrote:
> On 05.08.2020 01:22, Stefano Stabellini wrote:
> > On Mon, 3 Aug 2020, Oleksandr Tyshchenko wrote:
> >> --- a/xen/include/asm-arm/p2m.h
> >> +++ b/xen/include/asm-arm/p2m.h
> >> @@ -385,10 +385,11 @@ static inline int set_foreign_p2m_entry(struct
> >> domai
On 03.08.2020 20:21, Oleksandr Tyshchenko wrote:
> --- a/xen/include/xsm/dummy.h
> +++ b/xen/include/xsm/dummy.h
> @@ -713,14 +713,14 @@ static XSM_INLINE int xsm_pmu_op (XSM_DEFAULT_ARG
> struct domain *d, unsigned int
> }
> }
>
> +#endif /* CONFIG_X86 */
> +
> static XSM_INLINE int xsm_
On 05.08.20 12:32, Julien Grall wrote:
Hi Julien.
Hi Stefano,
On 05/08/2020 00:22, Stefano Stabellini wrote:
On Mon, 3 Aug 2020, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
This patch makes possible to forward Guest MMIO accesses
to a device emulator on Arm and enables that su
On 05.08.2020 16:12, Julien Grall wrote:
> On 03/08/2020 19:21, Oleksandr Tyshchenko wrote:
>> --- /dev/null
>> +++ b/xen/include/asm-arm/hvm/ioreq.h
>> @@ -0,0 +1,103 @@
>> +/*
>> + * hvm.h: Hardware virtual machine assist interface definitions.
>> + *
>> + * Copyright (c) 2016 Citrix Systems Inc.
Hi,
On 03/08/2020 19:21, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
This patch makes possible to forward Guest MMIO accesses
to a device emulator on Arm and enables that support for
Arm64.
Also update XSM code a bit to let DM op be used on Arm.
New arch DM op will be introduced in
Hi Stefano,
On 05/08/2020 00:22, Stefano Stabellini wrote:
On Mon, 3 Aug 2020, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
This patch makes possible to forward Guest MMIO accesses
to a device emulator on Arm and enables that support for
Arm64.
Also update XSM code a bit to let DM
On 05.08.2020 01:22, Stefano Stabellini wrote:
> On Mon, 3 Aug 2020, Oleksandr Tyshchenko wrote:
>> --- a/xen/include/asm-arm/p2m.h
>> +++ b/xen/include/asm-arm/p2m.h
>> @@ -385,10 +385,11 @@ static inline int set_foreign_p2m_entry(struct domain
>> *d, unsigned long gfn,
>>
On Mon, 3 Aug 2020, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko
>
> This patch makes possible to forward Guest MMIO accesses
> to a device emulator on Arm and enables that support for
> Arm64.
>
> Also update XSM code a bit to let DM op be used on Arm.
> New arch DM op will be intro
On Tue, 4 Aug 2020, Julien Grall wrote:
> On 04/08/2020 08:49, Paul Durrant wrote:
> > > diff --git a/tools/libxc/xc_dom_arm.c b/tools/libxc/xc_dom_arm.c
> > > index 931404c..b5fc066 100644
> > > --- a/tools/libxc/xc_dom_arm.c
> > > +++ b/tools/libxc/xc_dom_arm.c
> > > @@ -26,11 +26,19 @@
> > > #
Hi Paul,
On 04/08/2020 08:49, Paul Durrant wrote:
diff --git a/tools/libxc/xc_dom_arm.c b/tools/libxc/xc_dom_arm.c
index 931404c..b5fc066 100644
--- a/tools/libxc/xc_dom_arm.c
+++ b/tools/libxc/xc_dom_arm.c
@@ -26,11 +26,19 @@
#include "xg_private.h"
#include "xc_dom.h"
-#define NR_MAGIC_PA
r Tyshchenko
> ; Julien Grall
> ; Jan Beulich ; Daniel De Graaf
> ;
> Volodymyr Babchuk
> Subject: [RFC PATCH V1 04/12] xen/arm: Introduce arch specific bits for
> IOREQ/DM features
>
> From: Oleksandr Tyshchenko
>
> This patch makes possible to forward Guest
From: Oleksandr Tyshchenko
This patch makes possible to forward Guest MMIO accesses
to a device emulator on Arm and enables that support for
Arm64.
Also update XSM code a bit to let DM op be used on Arm.
New arch DM op will be introduced in the follow-up patch.
Please note, at the moment build
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