From: Stefano Stabellini
Use the newly introduced HVM_PARAM_BUFIOREQ_EVTCHN to receive
notifications for buffered io events.
After the first notification is received leave the event channel masked
and setup a timer to process the rest of the batch.
Once we have completed processing the batch, unm
From: Stefano Stabellini
There is no reason why the minimum timeout should be 1sec, it could
easily be 1h and we would safe lots of cpu cycles.
Signed-off-by: Stefano Stabellini
---
qemu-timer.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/qemu-timer.c b/qemu-timer
From: Stefano Stabellini
Xen doesn't need full RTC emulation in Qemu because the RTC is already
emulated by the hypervisor. In particular we want to avoid the timers
initialization so that Qemu doesn't need to wake up needlessly.
Signed-off-by: Stefano Stabellini
---
hw/mc146818rtc.c | 36 ++
From: Stefano Stabellini
PIT is emulated by the hypervisor so we don't need to emulate it in Qemu:
this patch prevents Qemu from waking up needlessly at PIT_FREQ on Xen.
Signed-off-by: Stefano Stabellini
---
hw/pc.c |7 +--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a
From: Anthony PERARD
Previously, the address space soft limit was set mcache_max_size. So,
before the mcache_max_size was reached by the mapcache, QEMU was killed
for overuse of the virtual address space.
This patch fix that by setting the soft limit the maximum than can have
QEMU. So the soft a
From: John Haxby
Rename the existing xendev 'connect' op to 'initialised' and introduce
a new 'connected' op. This new op, if defined, is called when the
backend is connected. Note that since there is no state transition this
may be called more than once.
Signed-off-by: John Haxby
Signed-off-
From: Stefano Stabellini
cpu_ioreq_move might move 8 bytes at a time so we must make sure that
the temporary variable can hold 8 bytes.
Signed-off-by: Stefano Stabellini
---
xen-all.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/xen-all.c b/xen-all.c
index 9eaeac1.
From: John Haxby
Ensure that we read "request-abs-pointer" after the frontend has written
it. This means that we will correctly set up an ansolute or relative
pointer handler correctly.
Signed-off-by: John Haxby
Signed-off-by: Stefano Stabellini
---
hw/xenfb.c | 21 -
1
From: Stefano Stabellini
Signed-off-by: Stefano Stabellini
---
MAINTAINERS | 10 ++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 6115e4e..273a6a7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -143,6 +143,16 @@ L: k...@vger.kernel.org
From: Stefano Stabellini
cpu_ioreq_move might move 8 bytes at a time so we must make sure that
the temporary variable can hold 8 bytes.
Signed-off-by: Stefano Stabellini
---
xen-all.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/xen-all.c b/xen-all.c
index 9eaeac1.
From: John Haxby
Rename the existing xendev 'connect' op to 'initialised' and introduce
a new 'connected' op. This new op, if defined, is called when the
backend is connected. Note that since there is no state transition this
may be called more than once.
Signed-off-by: John Haxby
Acked-by: S
From: John Haxby
Ensure that we read "request-abs-pointer" after the frontend has written
it. This means that we will correctly set up an ansolute or relative
pointer handler correctly.
Signed-off-by: John Haxby
Acked-by: Stefano Stabellini
---
hw/xenfb.c | 19 ++-
1 files
From: Stefano Stabellini
The unplug protocol is necessary to support PV drivers in the guest: the
drivers expect to be able to "unplug" emulated disks and nics before
initializing the Xen PV interfaces.
It is responsibility of the guest to make sure that the unplug is done
before the emulated dev
From: Anthony PERARD
Remove the call to xenstore_record_dm_state from xen_main_loop_prepare
that is HVM specific.
Add a new vm_change_state_handler shared between xen_pv and xen_hvm
machines to record the VM state to xenstore.
Signed-off-by: Anthony PERARD
Signed-off-by: Stefano Stabellini
---
From: Stefano Stabellini
Since CS 21994 on xen-unstable.hg and CS
466608f3a32e1f9808acdf832a5843af37e5fcec on qemu-xen-unstable.git, few
changes have been introduced to the PV console xenstore protocol, as
described by the document docs/misc/console.txt under xen-unstable.hg.
>From the Qemu poin
From: Stefano Stabellini
Since CS 21994 on xen-unstable.hg and CS
466608f3a32e1f9808acdf832a5843af37e5fcec on qemu-xen-unstable.git, few
changes have been introduced to the PV console xenstore protocol, as
described by the document docs/misc/console.txt under xen-unstable.hg.
>From the Qemu poin
From: Stefano Stabellini
Sometimes the toolstack uses "aio" without an additional format
identifier, in such cases use "raw".
Updated in v2:
- fix code style.
Signed-off-by: Stefano Stabellini
---
hw/xen_disk.c |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/hw/xen
From: Anthony PERARD
Remove the call to xenstore_record_dm_state from xen_main_loop_prepare
that is HVM specific.
Add a new vm_change_state_handler shared between xen_pv and xen_hvm
machines to record the VM state to xenstore.
Signed-off-by: Anthony PERARD
Signed-off-by: Stefano Stabellini
---
From: Stefano Stabellini
Since CS 21994 on xen-unstable.hg and CS
466608f3a32e1f9808acdf832a5843af37e5fcec on qemu-xen-unstable.git, few
changes have been introduced to the PV console xenstore protocol, as
described by the document docs/misc/console.txt under xen-unstable.hg.
>From the Qemu poin
From: Stefano Stabellini
Since CS 21994 on xen-unstable.hg and CS
466608f3a32e1f9808acdf832a5843af37e5fcec on qemu-xen-unstable.git, few
changes have been introduced to the PV console xenstore protocol, as
described by the document docs/misc/console.txt under xen-unstable.hg.
>From the Qemu poin
From: Stefano Stabellini
Since CS 21994 on xen-unstable.hg and CS
466608f3a32e1f9808acdf832a5843af37e5fcec on qemu-xen-unstable.git, few
changes have been introduced to the PV console xenstore protocol, as
described by the document docs/misc/console.txt under xen-unstable.hg.
>From the Qemu poin
From: Stefano Stabellini
The unplug protocol is necessary to support PV drivers in the guest: the
drivers expect to be able to "unplug" emulated disks and nics before
initializing the Xen PV interfaces.
It is responsibility of the guest to make sure that the unplug is done
before the emulated dev
From: Stefano Stabellini
qemu_ram_ptr_length should take ram_addr_t as argument rather than
target_phys_addr_t because is doing comparisons with RAMBlock addresses.
cpu_physical_memory_map should create a ram_addr_t address to pass to
qemu_ram_ptr_length from PhysPageDesc phys_offset.
Remove co
From: Stefano Stabellini
When disk is a cdrom and the drive is empty the "params" node in
xenstore might be missing completely: cope with it instead of
segfaulting.
Updated in v2:
- actually removed the strchr(blkdev->params, ':') that caused the
segfault;
- free all the allocated strings fro
From: Stefano Stabellini
Register the vkbd backend even when running as device emulator for HVM
guests: it is useful because it doesn't need a frequent timer like usb.
Check whether the XenInput DisplayState has been set in the initialise
state, rather than the input state.
In case the DisplaySt
From: Stefano Stabellini
When disk is a cdrom and the drive is empty the "params" node in
xenstore might be missing completely: cope with it instead of
segfaulting.
Updated in v2:
- actually removed the strchr(blkdev->params, ':') that caused the
segfault;
- free all the allocated strings fro
From: Stefano Stabellini
con_init leaks the string "type", fix it.
Signed-off-by: Stefano Stabellini
---
hw/xen_console.c |8 ++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/hw/xen_console.c b/hw/xen_console.c
index e88714f..519d5f5 100644
--- a/hw/xen_console.c
+++
From: Stefano Stabellini
Register the vkbd backend even when running as device emulator for HVM
guests: it is useful because it doesn't need a frequent timer like usb.
Check whether the XenInput DisplayState has been set in the initialise
state, rather than the input state.
In case the DisplaySt
From: Stefano Stabellini
Initialize the Xen console backend and the Xen disk backend even when
running in HVM mode so that PV on HVM drivers can connect to them.
Signed-off-by: Stefano Stabellini
---
xen-all.c |8
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/xen-
From: Stefano Stabellini
Sometimes the toolstack uses "aio" without an additional format
identifier, in such cases use "raw".
Signed-off-by: Stefano Stabellini
---
hw/xen_disk.c |2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/hw/xen_disk.c b/hw/xen_disk.c
index 801da5
From: Stefano Stabellini
When disk is a cdrom and the drive is empty the "params" node in
xenstore might be missing completely: cope with it instead of
segfaulting.
Signed-off-by: Stefano Stabellini
---
hw/xen_disk.c | 16 +++-
1 files changed, 11 insertions(+), 5 deletions(-)
d
From: Stefano Stabellini
qemu_ram_ptr_length should take ram_addr_t as argument rather than
target_phys_addr_t because is doing comparisons with RAMBlock addresses.
cpu_physical_memory_map should create a ram_addr_t address to pass to
qemu_ram_ptr_length from PhysPageDesc phys_offset.
Remove co
From: Stefano Stabellini
pci_unplug_device is needed by the xen_platform device to perfom dynamic
nic unplug.
Signed-off-by: Stefano Stabellini
---
hw/pci.c |2 +-
hw/pci.h |1 +
2 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 1d297d6..679e976 1
From: Stefano Stabellini
The unplug protocol is necessary to support PV drivers in the guest: the
drivers expect to be able to "unplug" emulated disks and nics before
initializing the Xen PV interfaces.
It is responsibility of the guest to make sure that the unplug is done
before the emulated dev
From: Steven Smith
Introduce a new emulated PCI device, specific to fully virtualized Xen
guests. The device is necessary for PV on HVM drivers to work.
Signed-off-by: Steven Smith
Signed-off-by: Anthony PERARD
Signed-off-by: Stefano Stabellini
---
Makefile.target |2 +
hw/hw.h
From: Stefano Stabellini
Xen can only do dirty bit tracking for one memory region, so we should
explicitly avoid trying to track the legacy VGA region between 0xa
and 0xb, rather than trying and failing.
Signed-off-by: Stefano Stabellini
---
xen-all.c |4
1 files changed, 4 in
From: Stefano Stabellini
If the cirrus_vga PCI BAR is unmapped than we should not only reset
map_addr but also lfb_addr, otherwise we'll keep trying to map
the old lfb_addr in map_linear_vram.
Signed-off-by: Stefano Stabellini
---
hw/cirrus_vga.c |5 -
1 files changed, 4 insertions(+),
From: Stefano Stabellini
Introduce qemu_ram_ptr_length that takes an address and a size as
parameters rather than just an address.
Refactor cpu_physical_memory_map so that we call qemu_ram_ptr_length only
once rather than calling qemu_get_ram_ptr one time per page.
This is not only more efficien
From: Stefano Stabellini
Use qemu_invalidate_entry in cpu_physical_memory_unmap.
Do not lock mapcache entries in qemu_get_ram_ptr if the address falls in
the ramblock with offset == 0. We don't need to do that because the
callers of qemu_get_ram_ptr either try to map an entire block, other
from
From: Stefano Stabellini
Replace xen_map_block with qemu_map_cache with the appropriate locking
and size parameters.
Replace xen_unmap_block with qemu_invalidate_entry.
Signed-off-by: Stefano Stabellini
---
exec.c | 19 ---
xen-mapcache-stub.c |4
xen-ma
From: Stefano Stabellini
Fix the implementation of qemu_map_cache: correctly support size
arguments different from 0 or MCACHE_BUCKET_SIZE.
The new implementation supports locked mapcache entries with size
multiple of MCACHE_BUCKET_SIZE. qemu_invalidate_entry can correctly
find and unmap these "l
From: Stefano Stabellini
There is no need for qemu_map_cache_unlock, just use
qemu_invalidate_entry instead.
Signed-off-by: Stefano Stabellini
---
exec.c |2 +-
xen-mapcache-stub.c |4
xen-mapcache.c | 33 -
xen-mapcache.h |
From: Stefano Stabellini
Use qemu_invalidate_entry in cpu_physical_memory_unmap.
Do not lock mapcache entries in qemu_get_ram_ptr if the address falls in
the ramblock with offset == 0. We don't need to do that because the
callers of qemu_get_ram_ptr either try to map an entire block, other
from
From: Stefano Stabellini
Match the routing informations built by seabios:
- remove i440fx_write_config_xen
we don't need to intercept pci config writes to i440FX;
- introduce piix3_write_config_xen
we do need to intercept pci config write to the PCI-ISA bridge to update
the PCI link routing;
-
From: Stefano Stabellini
Introduce qemu_ram_ptr_length that takes an address and a size as
parameters rather than just an address.
Refactor cpu_physical_memory_map so that we call qemu_ram_ptr_length only
once rather than calling qemu_get_ram_ptr one time per page.
This is not only more efficien
From: Stefano Stabellini
Replace xen_map_block with qemu_map_cache with the appropriate locking
and size parameters.
Replace xen_unmap_block with qemu_invalidate_entry.
Signed-off-by: Stefano Stabellini
---
exec.c | 18 +++---
xen-mapcache-stub.c |4
xen-map
From: Stefano Stabellini
Fix the implementation of qemu_map_cache: correctly support size
arguments different from 0 or MCACHE_BUCKET_SIZE.
The new implementation supports locked mapcache entries with size
multiple of MCACHE_BUCKET_SIZE. qemu_invalidate_entry can correctly
find and unmap these "l
From: Stefano Stabellini
There is no need for qemu_map_cache_unlock, just use
qemu_invalidate_entry instead.
Signed-off-by: Stefano Stabellini
---
exec.c |2 +-
xen-mapcache-stub.c |4
xen-mapcache.c | 33 -
xen-mapcache.h |
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