Messages in this thread | | | Subject | Re: [PATCH V12 01/12] PCI: Add #defines for some of PCIe spec r4.0 features | From | Vidya Sagar <> | Date | Tue, 9 Jul 2019 19:08:46 +0530 |
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On 7/5/2019 7:16 PM, Vidya Sagar wrote: Bjorn, Apologies for pinging again about this. Can you please provide Ack for this change so that Lorenzo can pick up this series?
Thanks, Vidya Sagar
> On 7/1/2019 6:09 PM, Vidya Sagar wrote: > Bjorn, > Can you please provide Ack for this patch? > > Thanks, > Vidya Sagar > >> Add #defines only for the Data Link Feature and Physical Layer 16.0 GT/s >> features. >> >> Signed-off-by: Vidya Sagar <vidyas@nvidia.com> >> Reviewed-by: Thierry Reding <treding@nvidia.com> >> --- >> Changes since [v11]: >> * None >> >> Changes since [v10]: >> * None >> >> Changes since [v9]: >> * None >> >> Changes since [v8]: >> * None >> >> Changes since [v7]: >> * None >> >> Changes since [v6]: >> * None >> >> Changes since [v5]: >> * None >> >> Changes since [v4]: >> * None >> >> Changes since [v3]: >> * None >> >> Changes since [v2]: >> * Updated commit message and description to explicitly mention that defines are >> added only for some of the features and not all. >> >> Changes since [v1]: >> * None >> >> include/uapi/linux/pci_regs.h | 22 +++++++++++++++++++++- >> 1 file changed, 21 insertions(+), 1 deletion(-) >> >> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h >> index f28e562d7ca8..1c79f6a097d2 100644 >> --- a/include/uapi/linux/pci_regs.h >> +++ b/include/uapi/linux/pci_regs.h >> @@ -713,7 +713,9 @@ >> #define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */ >> #define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */ >> #define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */ >> -#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PTM >> +#define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */ >> +#define PCI_EXT_CAP_ID_PL 0x26 /* Physical Layer 16.0 GT/s */ >> +#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL >> #define PCI_EXT_CAP_DSN_SIZEOF 12 >> #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40 >> @@ -1053,4 +1055,22 @@ >> #define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */ >> #define PCI_L1SS_CTL2 0x0c /* Control 2 Register */ >> +/* Data Link Feature */ >> +#define PCI_DLF_CAP 0x04 /* Capabilities Register */ >> +#define PCI_DLF_LOCAL_DLF_SUP_MASK 0x007fffff /* Local Data Link Feature Supported */ >> +#define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature Exchange Enable */ >> +#define PCI_DLF_STS 0x08 /* Status Register */ >> +#define PCI_DLF_REMOTE_DLF_SUP_MASK 0x007fffff /* Remote Data Link Feature Supported */ >> +#define PCI_DLF_REMOTE_DLF_SUP_VALID 0x80000000 /* Remote Data Link Feature Support Valid */ >> + >> +/* Physical Layer 16.0 GT/s */ >> +#define PCI_PL_16GT_CAP 0x04 /* Capabilities Register */ >> +#define PCI_PL_16GT_CTRL 0x08 /* Control Register */ >> +#define PCI_PL_16GT_STS 0x0c /* Status Register */ >> +#define PCI_PL_16GT_LDPM_STS 0x10 /* Local Data Parity Mismatch Status Register */ >> +#define PCI_PL_16GT_FRDPM_STS 0x14 /* First Retimer Data Parity Mismatch Status Register */ >> +#define PCI_PL_16GT_SRDPM_STS 0x18 /* Second Retimer Data Parity Mismatch Status Register */ >> +#define PCI_PL_16GT_RSVD 0x1C /* Reserved */ >> +#define PCI_PL_16GT_LE_CTRL 0x20 /* Lane Equalization Control Register */ >> + >> #endif /* LINUX_PCI_REGS_H */ >> >
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