/Finding:
The assert-deassert and reset PPB operation fails when downstream ports are
connected
to a CXLType3 device as it would mean device reset instead of switch port reset.
The patches are generated against the Johnathan's tree
https://gitlab.com/jic23/qemu.git and branch cxl-2025-03-20.
Si
-Storing physical ports info during enumeration.
-Refactored changes using physical ports info for
Identify Switch Device (Opcode 5100h) & Get Physical Port State
(Opcode 5101h) physical switch FM-API command set.
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c|
-added assert-deassert PERST implementation
for physical ports (both USP and DSP's).
-assert PERST involves bg operation for holding 100ms.
-reset PPB implementation for physical ports.
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c
On 10/06/25 03:45PM, Jonathan Cameron wrote:
On Mon, 2 Jun 2025 19:29:42 +0530
Arpit Kumar wrote:
Very interesting to see support for this. It will enable a load
of additional test cases.
added assert-deassert PERST implementation, reset PPB
for physical port.
Added
okay
Please also
On 10/06/25 03:21PM, Jonathan Cameron wrote:
On Mon, 2 Jun 2025 19:29:40 +0530
Arpit Kumar wrote:
Physical ports info is stored for both mailbox cci &
mctp based cci type as per spec CXL r3.2 Table 8-230: Physical Switch
Signed-off-by: Arpit Kumar
Hi Arpit,
Sorry for slow response. I
On 10/06/25 03:29PM, Jonathan Cameron wrote:
On Mon, 2 Jun 2025 19:29:41 +0530
Arpit Kumar wrote:
Modified Identify Switch Device (Opcode 5100h)
& Get Physical Port State(Opcode 5101h)
using physical ports info stored during enumeration
Signed-off-by: Arpit Kumar
A few additional comm
added assert-deassert PERST implementation, reset PPB
for physical port.
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c | 128
include/hw/cxl/cxl_device.h | 8 +++
2 files changed, 136 insertions(+)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw
Modified Identify Switch Device (Opcode 5100h)
& Get Physical Port State(Opcode 5101h)
using physical ports info stored during enumeration
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c | 133 +++--
1 file changed, 24 insertions(+), 109 delet
Physical ports info is stored for both mailbox cci &
mctp based cci type as per spec CXL r3.2 Table 8-230: Physical Switch
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c | 166
include/hw/cxl/cxl_device.h | 28 ++
2 files changed,
u.git and branch cxl-2025-03-20.
Signed-off-by: Arpit Kumar
Arpit Kumar (3):
hw/cxl: Storing physical ports info during enumeration
hw/cxl: Simplified Identify Switch Device & Get Physical Port State
hw/cxl: Add Physical Port Control (Opcode 5102h)
hw/cxl/cxl-mailbox-u
On 28/05/25 01:38PM, Jonathan Cameron wrote:
On Wed, 28 May 2025 13:31:06 +0100
Jonathan Cameron wrote:
On Fri, 16 May 2025 19:12:45 +0530
Arpit Kumar wrote:
> On 12/05/25 05:40PM, Jonathan Cameron wrote:
> >On Mon, 12 May 2025 09:37:07 -0400
> >"Michael S. Tsirkin"
On 12/05/25 05:40PM, Jonathan Cameron wrote:
On Mon, 12 May 2025 09:37:07 -0400
"Michael S. Tsirkin" wrote:
On Mon, May 12, 2025 at 04:42:41AM -0400, Michael S. Tsirkin wrote:
> On Wed, Mar 05, 2025 at 09:24:58AM +, Jonathan Cameron wrote:
> > From: Arpit Kumar
&
On 20/02/25 04:08PM, Jonathan Cameron wrote:
On Tue, 18 Feb 2025 14:27:28 +0530
Arpit Kumar wrote:
CXL CCI log commands implmented as per CXL Specification 3.2 8.2.10.5
1) get_log_capabilities (Opcode 0402h)
2) clear_log (Opcode 0403h)
3) populate_log (Opcode 0404h)
This v2 patch addresses
CXL spec 3.2 section 8.2.10.5.5 describes populate log.
It populates the contents of the specified log and can run
as a background operation.
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c | 28
1 file changed, 28 insertions(+)
diff --git a/hw/cxl/cxl
support of clear & populate log command for command effect log
The patches are generated against the Johnathan's tree
https://gitlab.com/jic23/qemu.git and branch cxl-2024-11-27.
Arpit Kumar (3):
hw/cxl/cxl-mailbox-utils.c: Added support for Get Log Capabilities
(Opcode 0402h)
h
CXL spec 3.2 section 8.2.10.5.4 describes clear log.
It clears the content of the specified log.
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c | 27 +++
1 file changed, 27 insertions(+)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
CXL spec 3.2 section 8.2.10.5.3 describes Get Log Capabilities.
It provides log capabilities supported by specified log.
Signed-off-by: Arpit Kumar
---
hw/cxl/cxl-mailbox-utils.c | 45
include/hw/cxl/cxl_device.h | 20
include/hw/cxl
On 04/02/25 10:58AM, Jonathan Cameron wrote:
On Mon, 3 Feb 2025 11:29:50 +0530
Arpit Kumar wrote:
Signed-off-by: Arpit Kumar
Reviewed-by: Alok Rathore
Reviewed-by: Krishna Kanth Reddy
Likewise, the CEL isn't a dynamic thing. Asking to populate
it makes little sense so th
On 04/02/25 10:28AM, Jonathan Cameron wrote:
On Mon, 3 Feb 2025 11:29:48 +0530
Arpit Kumar wrote:
Please add some descriptive teext here.
Sure, will append here in V2 patch.
Signed-off-by: Arpit Kumar
Reviewed-by: Alok Rathore
Reviewed-by: Krishna Kanth Reddy
Hi Arpit,
Whilst it is
On 04/02/25 10:53AM, Jonathan Cameron wrote:
On Mon, 3 Feb 2025 11:29:49 +0530
Arpit Kumar wrote:
Add some description of what is being added here.
Key issue in here is that clearing the CEL doesn't make
sense. It is a description of what the device supports, there
is no state to clear
Signed-off-by: Arpit Kumar
Reviewed-by: Alok Rathore
Reviewed-by: Krishna Kanth Reddy
---
hw/cxl/cxl-mailbox-utils.c | 36
1 file changed, 36 insertions(+)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index 3d66a425a9..5fd7f850c4
Signed-off-by: Arpit Kumar
Reviewed-by: Alok Rathore
Reviewed-by: Krishna Kanth Reddy
---
hw/cxl/cxl-mailbox-utils.c | 95 +
include/hw/cxl/cxl_device.h | 2 +
2 files changed, 97 insertions(+)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox
d-off-by: Arpit Kumar
Reviewed-by: Alok Rathore
Reviewed-by: Krishna Kanth Reddy
Arpit Kumar (3):
hw/cxl/cxl-mailbox-utils.c: Added support for Get Log Capabilities
(Opcode 0402h)
hw/cxl/cxl-mailbox-utils.c: Added support for Clear Log (Opcode 0403h)
hw/cxl/cxl-mailbox-utils.c: Added su
Signed-off-by: Arpit Kumar
Reviewed-by: Alok Rathore
Reviewed-by: Krishna Kanth Reddy
---
hw/cxl/cxl-mailbox-utils.c | 55
include/hw/cxl/cxl_device.h | 31
include/hw/cxl/cxl_mailbox.h | 5
3 files changed, 91 insertions
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