Re: [PATCH v30 0/2] Type2 device basic support

[Dave Jiang <dave.jiang@intel.com>]

On 6/29/26 11:37 AM, alejandro.lucero-palau@amd.com wrote:
> From: Alejandro Lucero <alucerop@amd.com>
> 
> This series adds the last bits for allowing a CXL Type2 driver to obtain
> a CXL region linked to the device HDM decoders committed by the BIOS.
> 
> For the sake of merging those changes and the driver using them, this
> version only adds the changes without a client. A later series will
> include sfc netdev driver as the client.
> 
> Changes from v29:
> 
>  - Only cxl core changes.
> 
> Changes from v28:
> 
>  - patch 1:
>         fix doc (Ed Cree)
>         fix error path (Sashiko)
> 
>  - patch 3:
>         removing extra + char (sashiko)
> 
>  - path5:
>         remove stray change (Ed Cree)
> 
> Changes from v27:
> 
>  - patch 1: make driver probe failing if error in efx_cxl_init (Dan)
>  - patch 4: add unmapping if error after efx_cxl_init (Dave)
>  - patch 4/5: move cxl_pio_initialised from patch 4 to patch 5 (Dave)
> 
> Tested in the cxl_for_7.3 branch.
> 
> 
> Alejandro Lucero (2):
>   cxl: Support Type2 cxl regs mapping
>   cxl: Support dpa without a mailbox
> 
>  drivers/cxl/core/core.h   |  2 ++
>  drivers/cxl/core/mbox.c   | 51 +----------------------------
>  drivers/cxl/core/memdev.c | 67 +++++++++++++++++++++++++++++++++++++++
>  drivers/cxl/core/pci.c    |  1 +
>  drivers/cxl/core/port.c   |  1 +
>  drivers/cxl/core/regs.c   |  1 +
>  drivers/cxl/cxlpci.h      | 12 -------
>  drivers/cxl/pci.c         |  1 +
>  include/cxl/cxl.h         |  2 ++
>  include/cxl/pci.h         | 22 +++++++++++++
>  10 files changed, 98 insertions(+), 62 deletions(-)
>  create mode 100644 include/cxl/pci.h
> 
> 
> base-commit: 9b1e70e8f9ec4b5c6ce7fa774a0023bb6894c686

Immutable branch created:
https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/log/?h=for-7.3/cxl-type2-support

96ddf1af34f5 cxl: Support dpa without a mailbox
2c599da8231f cxl: Support Type2 cxl regs mapping