Re: [PATCH v2 2/2] dmaengine: idxd: Add new DSA and IAA device IDs for Diamond Rapids platform
From: Dave Jiang
Date: Wed Aug 28 2024 - 19:43:52 EST
On 8/28/24 4:34 PM, Fenghua Yu wrote:
> A new DSA device ID, 0x1212, and a new IAA device ID, 0x1216, are
> introduced for Diamond Rapids platform. Add the device IDs to the IDXD
> driver.
>
> The name "IAA" is used in new code instead of the old name "IAX".
> However, the "IAX" naming (e.g., IDXD_TYPE_IAX) is retained for legacy
> code compatibility.
>
> Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
> ---
> v2:
> - Replace "IAX" with "IAA" (Dave Jiang)
>
> 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..0f693b27879c 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]) },
> + /* IAA on DMR platforms */
> + { PCI_DEVICE_DATA(INTEL, IAA_DMR, &idxd_driver_data[IDXD_TYPE_IAX]) },
> { 0, }
> };
> MODULE_DEVICE_TABLE(pci, idxd_pci_tbl);
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index ff99047dac44..8139231d0e86 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_IAA_DMR 0x1216
> #define PCI_DEVICE_ID_INTEL_82092AA_0 0x1221
> #define PCI_DEVICE_ID_INTEL_82437 0x122d
> #define PCI_DEVICE_ID_INTEL_82371FB_0 0x122e