[EXTERNAL] [PATCH v22 13/13] compress/zsda: add zsda compressdev capabilities

[Akhil Goyal]

> Add zsda compressdev capabilities.
> 
> Signed-off-by: Hanxiao Li <li.hanxiao at zte.com.cn>
> ---
>  doc/guides/compressdevs/features/zsda.ini |  9 +++++++++
>  doc/guides/compressdevs/zsda.rst          | 23 +++++++++++++++++++++++
>  doc/guides/rel_notes/release_24_11.rst    |  7 +++++++
>  drivers/compress/zsda/zsda_comp_pmd.c     | 15 ++++++++++++++-
>  4 files changed, 53 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/guides/compressdevs/features/zsda.ini
> b/doc/guides/compressdevs/features/zsda.ini
> index 5cc9a3b1a6..3b087ea7f9 100644
> --- a/doc/guides/compressdevs/features/zsda.ini
> +++ b/doc/guides/compressdevs/features/zsda.ini
> @@ -4,3 +4,12 @@
>  ; Supported features of 'ZSDA' compression driver.
>  ;
>  [Features]
> +HW Accelerated         = Y
> +OOP SGL In SGL Out     = Y
> +OOP SGL In LB  Out     = Y
> +OOP LB  In SGL Out     = Y
> +Deflate                = Y
> +Adler32                = Y
> +Crc32                  = Y
> +Fixed                  = Y
> +Dynamic                = Y
> diff --git a/doc/guides/compressdevs/zsda.rst
> b/doc/guides/compressdevs/zsda.rst
> index c02423d650..30d1c55766 100644
> --- a/doc/guides/compressdevs/zsda.rst
> +++ b/doc/guides/compressdevs/zsda.rst
> @@ -13,6 +13,29 @@ support for the following hardware accelerator devices:
>  Features
>  --------
> 
> +ZSDA compression PMD has support for:
> +
> +Compression/Decompression algorithm:
> +
> +    * DEFLATE - using Fixed and Dynamic Huffman encoding
> +
> +Checksum generation:
> +
> +    * CRC32, Adler32
> +
> +Huffman code type:
> +
> +* FIXED
> +* DYNAMIC
> +
> +
> +Limitations
> +-----------
> +
> +* Compressdev level 0, no compression, is not supported.
> +* No BSD support as BSD ZSDA kernel driver not available.
> +* Stateful is not supported.
> +
> 
>  Installation
>  ------------
> diff --git a/doc/guides/rel_notes/release_24_11.rst
> b/doc/guides/rel_notes/release_24_11.rst
> index 0ff70d9057..583e509a45 100644
> --- a/doc/guides/rel_notes/release_24_11.rst
> +++ b/doc/guides/rel_notes/release_24_11.rst
> @@ -24,6 +24,13 @@ DPDK Release 24.11
>  New Features
>  ------------
> 
> +* **Added ZTE Storage Data Accelerator(ZSDA) device driver.**
> +
> +  * Added a new compress driver for ZSDA devices to support
> +    the deflate compression and decompression algorithm.
> +
> +    See the :doc:`../compressdevs/zsda` guide for more details on the new driver.
> +

Move to 25.03 release notes.

>  .. This section should contain new features added in this release.
>     Sample format:
> 
> diff --git a/drivers/compress/zsda/zsda_comp_pmd.c
> b/drivers/compress/zsda/zsda_comp_pmd.c
> index ea3de2f505..85c934ace1 100644
> --- a/drivers/compress/zsda/zsda_comp_pmd.c
> +++ b/drivers/compress/zsda/zsda_comp_pmd.c
> @@ -9,6 +9,19 @@
>  #include "zsda_comp_pmd.h"
>  #include "zsda_comp.h"
> 
> +static const struct rte_compressdev_capabilities zsda_comp_capabilities[] = {
> +    {
> +        .algo = RTE_COMP_ALGO_DEFLATE,
> +        .comp_feature_flags = RTE_COMP_FF_HUFFMAN_DYNAMIC |
> +                            RTE_COMP_FF_OOP_SGL_IN_SGL_OUT |
> +                            RTE_COMP_FF_OOP_SGL_IN_LB_OUT |
> +                            RTE_COMP_FF_OOP_LB_IN_SGL_OUT |
> +                            RTE_COMP_FF_CRC32_CHECKSUM |
> +                            RTE_COMP_FF_ADLER32_CHECKSUM,
> +        .window_size = {.min = 15, .max = 15, .increment = 0},
> +    },
> +};
> +
>  static int
>  zsda_comp_xform_size(void)
>  {
> @@ -405,7 +418,7 @@ zsda_comp_dev_create(struct zsda_pci_device
> *zsda_pci_dev)
>      comp_dev->zsda_pci_dev = zsda_pci_dev;
>      comp_dev->compressdev = compressdev;
> 
> -    capabilities = NULL;
> +    capabilities = zsda_comp_capabilities;
> 
>      comp_dev->capa_mz = rte_memzone_lookup(capa_memz_name);
>      if (comp_dev->capa_mz == NULL) {
> --
> 2.27.0