It describes the basic concepts of NVDIMM ACPI and the interfaces
between QEMU and the ACPI BIOS
Signed-off-by: Xiao Guangrong
---
docs/specs/acpi_nvdimm.txt | 132 +
1 file changed, 132 insertions(+)
create mode 100644 docs/specs/acpi_nvdimm.txt
It separates the operations between root device and nvdimm devices
in order to introducing label functions support for nvdimm device
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 74 ++--
1 file changed, 56 insertions(+), 18 deletions
Function 5 is used to get Namespace Label Data
Reviewed-by: Stefan Hajnoczi
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 83 +++-
1 file changed, 82 insertions(+), 1 deletion(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index
Check if the input Arg3 is valid then store it into ARG3 if it is
needed
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 20
1 file changed, 20 insertions(+)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 14355f8..95504e9 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw
Now we pass HDLE to Qemu properly, use 0 for root device and use the
handle for nvdimm devices
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 22 --
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index b4c2262
This callback returns the MemoryRegion that is the memory of dimm should
be kept during live migration
nvdimm device is different with pc-dimm as its memory includes not only
the MemoryRegion directly mapping to guest's address space but also the
memory used as label data
Signed-off-by:
Check arg0 which indicates UUID to see if it is valid
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 32 ++--
1 file changed, 26 insertions(+), 6 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 95504e9..b01f2c6 100644
--- a/hw/acpi/nvdimm.c
It will be used by NVDIMM ACPI
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 14 ++
include/hw/acpi/aml-build.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 6849949..4e31b87 100644
--- a/hw/acpi/aml
ned-off-by: Xiao Guangrong
---
hw/mem/nvdimm.c | 132
include/hw/mem/nvdimm.h | 55 +++-
2 files changed, 186 insertions(+), 1 deletion(-)
diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c
index 0a602f2..2c64d52 100644
--
Implement ObjectType which is used by NVDIMM _DSM method in
later patch
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 8
include/hw/acpi/aml-build.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index fce2d2d..6849949
ruct acpi_nfit_desc *a
continue;
}
- if (nfit_mem->bdw && nfit_mem->memdev_pmem)
+ //if (nfit_mem->bdw && nfit_mem->memdev_pmem)
+ if (nfit_mem->memdev_pmem)
flags |= NDD_ALIASING;
: Xiao Guangrong
Signed-off-by: Eduardo Habkost
---
Changes v1 -> v2:
* Remove XSAVES, edited commit message
Reviewed-by: Xiao Guangrong
I thought this patch has already been upstream yet, but it is not. :(
On 06/02/2016 04:43 PM, Wang, Wei W wrote:
On Thu 6/2/2016 11:52 AM, Xiao Guangrong wrote:
On 06/02/2016 11:15 AM, Wang, Wei W wrote:
On Wed 6/1/2016 4:15 PM, Xiao Guangrong wrote:
On 05/29/2016 04:11 PM, Wei Wang wrote:
Signed-off-by: Wei Wang
---
Details | 324
On 06/02/2016 11:15 AM, Wang, Wei W wrote:
On Wed 6/1/2016 4:15 PM, Xiao Guangrong wrote:
On 05/29/2016 04:11 PM, Wei Wang wrote:
Signed-off-by: Wei Wang
---
Details | 324
1 file changed, 324 insertions(+)
create
On 05/29/2016 04:11 PM, Wei Wang wrote:
Signed-off-by: Wei Wang
---
Details | 324
1 file changed, 324 insertions(+)
create mode 100644 Details
diff --git a/Details b/Details
new file mode 100644
index 000..4ea2252
---
On 05/31/2016 02:52 AM, Stefan Hajnoczi wrote:
I have reviewed the non-ACPI parts of this series. Aside from minor
comments:
Reviewed-by: Stefan Hajnoczi
Really appreciate all your review! Thanks your, Stefan!
On 05/31/2016 02:42 AM, Stefan Hajnoczi wrote:
On Fri, May 20, 2016 at 04:20:00PM +0800, Xiao Guangrong wrote:
QEMU keeps the state of memory of dimm device during live migration,
however, it is not enough for nvdimm device as its memory does not
contain its label data, so that we should
It describes the basic concepts of NVDIMM ACPI and the interfaces
between QEMU and the ACPI BIOS
Signed-off-by: Xiao Guangrong
---
docs/specs/acpi_nvdimm.txt | 132 +
1 file changed, 132 insertions(+)
create mode 100644 docs/specs/acpi_nvdimm.txt
It will be used by NVDIMM ACPI
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 14 ++
include/hw/acpi/aml-build.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 85c3ef7..1783216 100644
--- a/hw/acpi/aml
Function 5 is used to get Namespace Label Data
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 83 +++-
1 file changed, 82 insertions(+), 1 deletion(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 94424a4..0c0b4bf 100644
--- a
Introduce a parameter, 'label-size', which is the size of nvdimm label
data area which is reserved at the end of backend memory. It is required
at least 128k
Two callbacks, read_label_data() and write_label_data(), are used to
operate the label area
Signed-off-by: Xiao Guangrong
-
Check if the input Arg3 is valid then store it into ARG3 if it is
needed
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 20
1 file changed, 20 insertions(+)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 586c02a..38aba3d 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw
Function 6 is used to set Namespace Label Data
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 44 +++-
1 file changed, 43 insertions(+), 1 deletion(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 0c0b4bf..0e7a81f 100644
--- a/hw/acpi
nvdimm needs to check if the backend memory is large enough to contain
label data and init its memory region when the device is realized, so
introduce realize callback which is called after common dimm has been
realize
Signed-off-by: Xiao Guangrong
---
hw/mem/pc-dimm.c | 5
Check arg0 which indicates UUID to see if it is valid
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 32 ++--
1 file changed, 26 insertions(+), 6 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 38aba3d..4177227 100644
--- a/hw/acpi/nvdimm.c
QEMU keeps the state of memory of dimm device during live migration,
however, it is not enough for nvdimm device as its memory does not
contain its label data, so that we should protect the whole backend
memory instead
Signed-off-by: Xiao Guangrong
---
hw/mem/pc-dimm.c | 13 +++--
1
Function 4 is used to get Namespace label size
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 130 +--
1 file changed, 127 insertions(+), 3 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 7af428f..94424a4 100644
&& nfit_mem->memdev_pmem)
+ if (nfit_mem->memdev_pmem)
flags |= NDD_ALIASING;
You can append a NVDIMM device in guest and do:
# cd /sys/bus/nd/devices/
# cd namespace0.0/
# echo `uuidgen` > uuid
# echo `expr 1024 \* 1024 \* 128` > size
It separates the operations between root device and nvdimm devices
in order to introducing label functions support for nvdimm device
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 74 ++--
1 file changed, 56 insertions(+), 18 deletions
Now we pass HDLE to Qemu properly, use 0 for root device and use the
handle for nvdimm devices
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 22 --
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 9531340
Implement ObjectType which is used by NVDIMM _DSM method in
later patch
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 8
include/hw/acpi/aml-build.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index ab89ca6..85c3ef7
Cuurently only revision 1 is supported
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 897d0a6..7af428f 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -483,6 +483,13
d-off-by: Xiao Guangrong
---
hw/mem/pc-dimm.c | 3 ++-
include/hw/mem/pc-dimm.h | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 9e7de56..70b9451 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -354,8 +354,9 @@ static
Hi Rich,
On 05/17/2016 02:25 AM, Richard W.M. Jones wrote:
On Mon, May 16, 2016 at 09:53:36AM -0700, Stefan Hajnoczi wrote:
On Mon, May 16, 2016 at 04:04:01PM +0100, Richard W.M. Jones wrote:
I'm playing with ext4 and DAX.
I'm using:
-object memory-backend-file,id=mem1,share,mem-path=/v
On 05/16/2016 11:04 PM, Richard W.M. Jones wrote:
I'm playing with ext4 and DAX.
Thanks for your try, Rich! :)
I'm using:
-object memory-backend-file,id=mem1,share,mem-path=/var/tmp/pmem,size=4G \
-device nvdimm,memdev=mem1,id=nv1
where /var/tmp/pmem is a 4 GB ext4 filesystem image
On 05/04/2016 12:11 AM, Eduardo Habkost wrote:
(CCing KVM mailing list)
On Tue, May 03, 2016 at 02:38:44PM +0800, Xiao Guangrong wrote:
On 04/29/2016 01:34 AM, Eduardo Habkost wrote:
On Wed, Apr 27, 2016 at 04:13:06PM +0800, Xiao Guangrong wrote:
[...]
1. As XSAVES is disabled in upstream
On 04/29/2016 01:34 AM, Eduardo Habkost wrote:
(CCing some additional Intel people)
On Wed, Apr 27, 2016 at 04:13:06PM +0800, Xiao Guangrong wrote:
From: Eduardo Habkost
Introduce Skylake-Client cpu mode which inherits the features from
Broadwell and supports some additional features that
No, i am afraid it is not a Skylake Client feature.
On 04/29/2016 11:11 AM, Huang, Kai wrote:
Hi Guangrong,
How about also add SGX to Skylake?
Thanks,
-Kai
On 4/27/2016 8:13 PM, Xiao Guangrong wrote:
From: Eduardo Habkost
Introduce Skylake-Client cpu mode which inherits the features from
e Skylake-Client and
Skylake-Server cpu modes separately. ]
Signed-off-by: Eduardo Habkost
Signed-off-by: Xiao Guangrong
---
target-i386/cpu.c | 39 +++
1 file changed, 39 insertions(+)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index ddae932..2f2c647
On 03/22/2016 07:17 PM, Michael S. Tsirkin wrote:
On Thu, Mar 17, 2016 at 04:32:46PM +0800, Xiao Guangrong wrote:
This patchset is against commit d4207b223eef3 (fw-cfg: support writeable
blobs) on pci branch of Michael's git tree and can be found at:
https://github.com/xiaogr/qem
On 03/17/2016 06:58 PM, Stefan Hajnoczi wrote:
On Thu, Mar 17, 2016 at 04:32:58PM +0800, Xiao Guangrong wrote:
-/* No function except function 0 is supported yet. */
-nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);
+if (!nvdimm) {
+return nvdimm_dsm_no_payload
On 03/17/2016 06:35 PM, Stefan Hajnoczi wrote:
On Thu, Mar 17, 2016 at 04:32:56PM +0800, Xiao Guangrong wrote:
+static void
+nvdimm_dsm_function0(uint32_t supported_func, hwaddr dsm_mem_addr)
+{
+NvdimmDsmFunc0Out func0 = {
+.len = cpu_to_le32(sizeof(func0
On 03/17/2016 06:28 PM, Stefan Hajnoczi wrote:
On Thu, Mar 17, 2016 at 04:32:50PM +0800, Xiao Guangrong wrote:
+static void nvdimm_init(Object *obj)
+{
+object_property_add_bool(obj, "reserve-label", nvdimm_get_reserve_label,
+ nvdimm_set_reserve_l
Sorry for the delay and i just come back from my vacation.
On 03/23/2016 04:30 AM, Stefan Hajnoczi wrote:
On Tue, Mar 22, 2016 at 08:37:40AM -0700, Dan Williams wrote:
On Thu, Mar 17, 2016 at 3:04 AM, Stefan Hajnoczi wrote:
On Thu, Mar 17, 2016 at 04:32:46PM +0800, Xiao Guangrong wrote
nvdimm needs to check if the backend memory is large enough to contain
label data and init its memory region when the device is realized, so
introduce realize callback which is called after common dimm has been
realize
Signed-off-by: Xiao Guangrong
---
hw/mem/pc-dimm.c | 5
It describes the basic concepts of NVDIMM ACPI and the interfaces
between QEMU and the ACPI BIOS
Signed-off-by: Xiao Guangrong
---
docs/specs/acpi_nvdimm.txt | 132 +
1 file changed, 132 insertions(+)
create mode 100644 docs/specs/acpi_nvdimm.txt
QEMU keeps the state of memory of dimm device during live migration,
however, it is not enough for nvdimm device as its memory does not
contain its label data, so that we should protect the whole backend
memory instead
Signed-off-by: Xiao Guangrong
---
hw/mem/pc-dimm.c | 13 +++--
1
It separates the operations between root device and nvdimm devices in
order to introducing label functions support for nvdimm device
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 72 ++--
1 file changed, 54 insertions(+), 18 deletions
d/devices/
# cd namespace0.0/
# echo `uuidgen` > uuid
# echo `expr 1024 \* 1024 \* 128` > size
then reload nd.pmem.ko
You can see /dev/pmem0 appears
Xiao Guangrong (15):
pc-dimm: get memory region from ->get_memory_region()
pc-dimm: introduce realize callback
pc-dimm: keep the state
Cuurently only revision 1 is supported
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 071f66f..83d80f5 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -481,6 +481,13
ata(), are used to
operate the label area
Signed-off-by: Xiao Guangrong
---
hw/mem/nvdimm.c | 95 +
include/hw/mem/nvdimm.h | 61 ++-
2 files changed, 155 insertions(+), 1 deletion(-)
diff --git a/hw/mem/nvdimm.
Function 4 is used to get Namespace label size
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 130 +--
1 file changed, 126 insertions(+), 4 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 83d80f5..4b5f672 100644
Implement ObjectType which is used by NVDIMM _DSM method in
later patch
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 8
include/hw/acpi/aml-build.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index ab89ca6..85c3ef7
Function 5 is used to get Namespace Label Data
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 81 +++-
1 file changed, 80 insertions(+), 1 deletion(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 4b5f672..1240328 100644
--- a
Function 6 is used to set Namespace Label Data
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 42 +-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 1240328..f17be52 100644
--- a/hw/acpi
Now we pass HDLE to Qemu properly, use 0 for root device and use the
handle for nvdimm devices
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 22 --
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 9531340
d-off-by: Xiao Guangrong
---
hw/mem/pc-dimm.c | 3 ++-
include/hw/mem/pc-dimm.h | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 973bf20..0ba17f0 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -353,8 +353,9 @@ static
It will be used by NVDIMM ACPI
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 14 ++
include/hw/acpi/aml-build.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 85c3ef7..1783216 100644
--- a/hw/acpi/aml
Check arg0 which indicates UUID to see if it is valid
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 32 ++--
1 file changed, 26 insertions(+), 6 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 38aba3d..4177227 100644
--- a/hw/acpi/nvdimm.c
Check if the input Arg3 is valid then store it into ARG3 if it is
needed
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 20
1 file changed, 20 insertions(+)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 586c02a..38aba3d 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw
If dsm memory is successfully patched, we let qemu fully emulate
the dsm method
This patch saves _DSM input parameters into dsm memory, tell dsm
memory address to QEMU, then fetch the result from the dsm memory
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 120
32 bits IO port starting from 0x0a18 in guest is reserved for NVDIMM
ACPI emulation. The table, NVDIMM_DSM_MEM_FILE, will be patched into
NVDIMM ACPI binary code
OSPM uses this port to tell QEMU the final address of the DSM memory
and notify QEMU to emulate the DSM method
Signed-off-by: Xiao
The dsm memory is used to save the input parameters and store
the dsm result which is filled by QEMU.
The address of dsm memory is decided by bios and patched into
int32 object named "MEMA"
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 20 +---
1 file c
Emulate dsm method after IO VM-exit
Currently, we only introduce the framework and no function is actually
supported
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c| 56 +
include/hw/mem/nvdimm.h | 8 +++
2 files changed, 64
we should keep the 64 bits stuff in
the private place where common ACPI operation does not touch it
Xiao Guangrong (4):
nvdimm acpi: initialize the resource used by NVDIMM ACPI
nvdimm acpi: introduce patched dsm memory
nvdimm acpi: let qemu handle _DSM method
nvdimm acpi: emulate dsm metho
On 03/03/2016 09:12 PM, Michael S. Tsirkin wrote:
/* copy AML table into ACPI tables blob and patch header there */
g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len);
+mem_addr_offset = build_append_named_dword(table_data,
+
On 03/03/2016 09:23 PM, Michael S. Tsirkin wrote:
+ *
+ * They are RAM mapping on host so that these accesses never cause
+ * VM-EXIT.
+ */
+field = aml_field("NRAM", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE);
+aml_append(field, aml_named_field("HDLE",
+ si
On 03/03/2016 09:43 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 07:50:36PM +0800, Xiao Guangrong wrote:
This patchset is against commit 429fb940caadf9 (fw-cfg: support writeable
blobs) on pci branch of Michael's git tree and can be found at:
https://github.com/xiaogr/qem
On 03/03/2016 09:29 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 07:50:41PM +0800, Xiao Guangrong wrote:
As Igor suggested that we can report the BIOS patched operation region
so that OSPM could see that particular range is in use and be able to
notice conflicts if it happens some
On 03/03/2016 09:25 PM, Michael S. Tsirkin wrote:
+
+/*
+ * function 0 is called to inquire what functions
which functions
Okay, will fix.
On 03/03/2016 09:23 PM, Michael S. Tsirkin wrote:
+struct NvdimmDsmIn {
+uint32_t handle;
+uint32_t revision;
+uint32_t function;
+ /* the remaining size in the page is used by arg3. */
Pls fix indentation so /* aligns with union.
Good eyes.
Surprise me that checkpatch did
On 03/03/2016 09:12 PM, Michael S. Tsirkin wrote:
-(void *)(table_data->data + table_data->len - ssdt->buf->len),
-"SSDT", ssdt->buf->len, 1, NULL, "NVDIMM");
+(void *)(table_data->data + nvdimm_ssdt),
+"SSDT", table_data->len - nvdimm_ssdt, 1, NULL, "NVDIMM");
On 03/02/2016 07:58 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 07:50:37PM +0800, Xiao Guangrong wrote:
32 bits IO port starting from 0x0a18 in guest is reserved for NVDIMM
ACPI emulation. The table, NVDIMM_DSM_MEM_FILE, will be patched into
NVDIMM ACPI binary code
OSPM uses this
The dsm memory is used to save the input parameters and store
the dsm result which is filled by QEMU.
The address of dsm memory is decided by bios and patched into
int32 object named "MEMA"
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 20 +---
1 file c
As Igor suggested that we can report the BIOS patched operation region
so that OSPM could see that particular range is in use and be able to
notice conflicts if it happens some day
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 27 +++
1 file changed, 27 insertions
If dsm memory is successfully patched, we let qemu fully emulate
the dsm method
This patch saves _DSM input parameters into dsm memory, tell dsm
memory address to QEMU, then fetch the result from the dsm memory
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 117
in
the private place where common ACPI operation does not touch it
Xiao Guangrong (5):
nvdimm acpi: initialize the resource used by NVDIMM ACPI
nvdimm acpi: introduce patched dsm memory
nvdimm acpi: let qemu handle _DSM method
nvdimm acpi: emulate dsm method
nvdimm acpi: add _CRS
hw
Emulate dsm method after IO VM-exit
Currently, we only introduce the framework and no function is actually
supported
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c| 56 +
include/hw/mem/nvdimm.h | 8 +++
2 files changed, 64
32 bits IO port starting from 0x0a18 in guest is reserved for NVDIMM
ACPI emulation. The table, NVDIMM_DSM_MEM_FILE, will be patched into
NVDIMM ACPI binary code
OSPM uses this port to tell QEMU the final address of the DSM memory
and notify QEMU to emulate the DSM method
Signed-off-by: Xiao
On 03/02/2016 04:44 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 03:29:33PM +0800, Xiao Guangrong wrote:
On 03/02/2016 03:20 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 03:15:19PM +0800, Xiao Guangrong wrote:
On 03/02/2016 02:36 PM, Michael S. Tsirkin wrote:
On Wed
On 03/02/2016 03:20 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 03:15:19PM +0800, Xiao Guangrong wrote:
On 03/02/2016 02:36 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 11:30:10AM +0800, Xiao Guangrong wrote:
On 03/02/2016 01:09 AM, Michael S. Tsirkin wrote:
Can&#
On 03/02/2016 03:15 PM, Xiao Guangrong wrote:
+in = g_malloc(TARGET_PAGE_SIZE);
ugh. manual memory management :(
Hmm... Or use GArray? But it is :)
Sorry, typo.
But it is the static size and we should read all memory out to get
the consistent data to avid guest changes it at
On 03/02/2016 02:36 PM, Michael S. Tsirkin wrote:
On Wed, Mar 02, 2016 at 11:30:10AM +0800, Xiao Guangrong wrote:
On 03/02/2016 01:09 AM, Michael S. Tsirkin wrote:
Can't guest trigger this?
If yes, don't put such code in production please:
this will fill up disk on the host.
On 03/02/2016 12:36 AM, Michael S. Tsirkin wrote:
On Tue, Mar 01, 2016 at 06:56:02PM +0800, Xiao Guangrong wrote:
This patchset is against commit 2212ef27b342b98b220fe9 (fw-cfg: support
writeable blobs) on pci branch of Michael's git tree
and can be found at:
https://github.com/x
On 03/02/2016 01:12 AM, Michael S. Tsirkin wrote:
On Tue, Mar 01, 2016 at 06:56:10PM +0800, Xiao Guangrong wrote:
Emulate dsm method after IO VM-exit
Currently, we only introduce the framework and no function is actually
supported
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c
On 03/02/2016 01:09 AM, Michael S. Tsirkin wrote:
Can't guest trigger this?
If yes, don't put such code in production please:
this will fill up disk on the host.
Okay, the evil guest can read the IO port freely. I will use nvdimm_debug()
instead.
static void
nvdimm_dsm_write(void
Emulate dsm method after IO VM-exit
Currently, we only introduce the framework and no function is actually
supported
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 2 +-
hw/acpi/nvdimm.c| 44
include/hw/acpi/aml-build.h
Extend aml_operation_region() to use object as offset
Reviewed-by: Igor Mammedov
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 4 ++--
hw/i386/acpi-build.c| 31 ---
include/hw/acpi/aml-build.h | 2 +-
3 files changed, 19 insertions(+), 18
If dsm memory is successfully patched, we let qemu fully emulate
the dsm method
This patch saves _DSM input parameters into dsm memory, tell dsm
memory address to QEMU, then fetch the result from the dsm memory
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 117
The dsm memory is used to save the input parameters and store
the dsm result which is filled by QEMU.
The address of dsm memory is decided by bios and patched into
int32 object named "MEMA"
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 20 +---
1 file c
As Igor suggested that we can report the BIOS patched operation region
so that OSPM could see that particular range is in use and be able to
notice conflicts if it happens some day
Signed-off-by: Xiao Guangrong
---
hw/acpi/nvdimm.c | 27 +++
1 file changed, 27 insertions
It will be used by nvdimm acpi
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 7 +++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 45b7f0a..bb0cf52 100644
--- a/hw/acpi/aml-build.c
+++ b/hw
n is there for, except
no known windows release so far implements DataTableRegion.
Signed-off-by: Michael S. Tsirkin
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 28
include/hw/acpi/aml-build.h | 3 +++
2 files changed, 31 insertions(+)
diff --git
32 bits IO port starting from 0x0a18 in guest is reserved for NVDIMM
ACPI emulation. The table, NVDIMM_DSM_MEM_FILE, will be patched into
NVDIMM ACPI binary code
OSPM uses this port to tell QEMU the final address of the DSM memory
and notify QEMU to emulate the DSM method
Signed-off-by: Xiao
It will be used by nvdimm acpi
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 14 ++
include/hw/acpi/aml-build.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 6675535..45b7f0a 100644
--- a/hw/acpi/aml
uch it
Michael S. Tsirkin (1):
acpi: add build_append_named_dword, returning an offset in buffer
Xiao Guangrong (8):
acpi: add aml_create_field()
acpi: add aml_concatenate()
acpi: allow using object as offset for OperationRegion
nvdimm acpi: initialize the resource used by NVDIMM ACPI
nvdimm
On 03/01/2016 05:08 PM, Michael S. Tsirkin wrote:
On Tue, Mar 01, 2016 at 04:53:23PM +0800, Xiao Guangrong wrote:
On 02/29/2016 05:38 PM, Michael S. Tsirkin wrote:
+/* Build NAME(, 0x) where 0x is encoded as a dword,
+ * and return the offset to 0x for runtime
egion is there for, except
no known windows release so far implements DataTableRegion.
[ Xiao: fixed missed NameOp and applied it to NVDIMM ACPI. ]
Signed-off-by: Michael S. Tsirkin
Signed-off-by: Xiao Guangrong
---
hw/acpi/aml-build.c | 1 +
hw/acpi/nvdimm.c| 33 +++-
On 02/29/2016 05:38 PM, Michael S. Tsirkin wrote:
On Sun, Feb 14, 2016 at 04:51:02PM +0800, Xiao Guangrong wrote:
The dsm memory is used to save the input parameters and store
the dsm result which is filled by QEMU.
The address of dsm memory is decided by bios and patched into
int32 object
EMU along with configured balloon almost
immediately inflates balloon and effectively kill the guest as
qemu counts nvdimm as part of the ram.
Reviewed-by: Xiao Guangrong
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