Re: [PATCH 2/2] dmaengine: idxd: Add new DSA and IAA device IDs on Diamond Rapids platform

From: Dave Jiang
Date: Wed Aug 28 2024 - 18:45:38 EST




On 8/28/24 3:42 PM, Fenghua Yu wrote:
> A new DSA device ID, 0x1212, and a new IAA device ID, 0x1216, are
> introduced on Diamond Rapids platform. Add the device IDs to the IDXD
> driver.
>
> Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
> ---
> drivers/dma/idxd/init.c | 4 ++++
> include/linux/pci_ids.h | 2 ++
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
> index 415b17b0acd0..21e3cff66f77 100644
> --- a/drivers/dma/idxd/init.c
> +++ b/drivers/dma/idxd/init.c
> @@ -71,9 +71,13 @@ static struct pci_device_id idxd_pci_tbl[] = {
> { PCI_DEVICE_DATA(INTEL, DSA_SPR0, &idxd_driver_data[IDXD_TYPE_DSA]) },
> /* DSA on GNR-D platforms */
> { PCI_DEVICE_DATA(INTEL, DSA_GNRD, &idxd_driver_data[IDXD_TYPE_DSA]) },
> + /* DSA on DMR platforms */
> + { PCI_DEVICE_DATA(INTEL, DSA_DMR, &idxd_driver_data[IDXD_TYPE_DSA]) },
>
> /* IAX ver 1.0 platforms */
> { PCI_DEVICE_DATA(INTEL, IAX_SPR0, &idxd_driver_data[IDXD_TYPE_IAX]) },
> + /* IAX on DMR platforms */
> + { PCI_DEVICE_DATA(INTEL, IAX_DMR, &idxd_driver_data[IDXD_TYPE_IAX]) },

IAA_DMR?

> { 0, }
> };
> MODULE_DEVICE_TABLE(pci, idxd_pci_tbl);
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index ff99047dac44..e15ebb3942ae 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2707,6 +2707,8 @@
> #define PCI_DEVICE_ID_INTEL_82815_CGC 0x1132
> #define PCI_DEVICE_ID_INTEL_SST_TNG 0x119a
> #define PCI_DEVICE_ID_INTEL_DSA_GNRD 0x11fb
> +#define PCI_DEVICE_ID_INTEL_DSA_DMR 0x1212
> +#define PCI_DEVICE_ID_INTEL_IAX_DMR 0x1216

s/IAX/IAA/ ?

> #define PCI_DEVICE_ID_INTEL_82092AA_0 0x1221
> #define PCI_DEVICE_ID_INTEL_82437 0x122d
> #define PCI_DEVICE_ID_INTEL_82371FB_0 0x122e