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Date: Sat, 31 Jan 2015 09:19:35 -0500
From: Neil Horman <nhorman@tuxdriver.com>
To: "Chen Jing D(Mark)" <jing.d.chen@intel.com>
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Subject: Re: [dpdk-dev] [PATCH 04/18] fm10k: add fm10k device id
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On Fri, Jan 30, 2015 at 01:07:20PM +0800, Chen Jing D(Mark) wrote:
> From: Jeff Shaw <jeffrey.b.shaw@intel.com>
> 
> Add fm10k device ID list into rte_pci_dev_ids.h.
> 
> Signed-off-by: Jeff Shaw <jeffrey.b.shaw@intel.com>
> Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
> ---
>  lib/librte_eal/common/include/rte_pci_dev_ids.h |   22 ++++++++++++++++++++++
>  1 files changed, 22 insertions(+), 0 deletions(-)
> 
> diff --git a/lib/librte_eal/common/include/rte_pci_dev_ids.h b/lib/librte_eal/common/include/rte_pci_dev_ids.h
> index c922de9..f54800e 100644
> --- a/lib/librte_eal/common/include/rte_pci_dev_ids.h
> +++ b/lib/librte_eal/common/include/rte_pci_dev_ids.h
> @@ -132,6 +132,14 @@
>  #define RTE_PCI_DEV_ID_DECL_VMXNET3(vend, dev)
>  #endif
>  
> +#ifndef RTE_PCI_DEV_ID_DECL_FM10K
> +#define RTE_PCI_DEV_ID_DECL_FM10K(vend, dev)
> +#endif
> +
> +#ifndef RTE_PCI_DEV_ID_DECL_FM10KVF
> +#define RTE_PCI_DEV_ID_DECL_FM10KVF(vend, dev)
> +#endif
> +
I know this isn't the job of this patch series, but I don't really understand
why we bother with this pattern for filling out pci id tables.  A PMD supports
specific hardware, we might as well use the generic RTE_PCI_DEVICE macro in the
driver rather than creating a FM10K specific wrapper, only to have to do some
ifdef trickery in the rte_cpi_dev_ids file and some include magic to fill it
out.

I'd suggest that you just use RTE_PCI_DEVICE macro here, and make your own table
(keep the specific device id values in the common file.  Then we can clean out
the macro maggic in a later update.
Neil