diff options
Diffstat (limited to 'include/uapi/linux/pci_regs.h')
| -rw-r--r-- | include/uapi/linux/pci_regs.h | 113 |
1 files changed, 59 insertions, 54 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index c3cc01d474b..baa7852468e 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -421,24 +421,24 @@ #define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */ #define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */ #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ -#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */ -#define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIE Bridge */ +#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCIe to PCI/PCI-X Bridge */ +#define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIe Bridge */ #define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */ #define PCI_EXP_TYPE_RC_EC 0xa /* Root Complex Event Collector */ #define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */ #define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */ #define PCI_EXP_DEVCAP 4 /* Device capabilities */ -#define PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */ -#define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */ -#define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */ -#define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */ -#define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */ -#define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */ -#define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */ -#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */ -#define PCI_EXP_DEVCAP_RBER 0x8000 /* Role-Based Error Reporting */ -#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */ -#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */ +#define PCI_EXP_DEVCAP_PAYLOAD 0x00000007 /* Max_Payload_Size */ +#define PCI_EXP_DEVCAP_PHANTOM 0x00000018 /* Phantom functions */ +#define PCI_EXP_DEVCAP_EXT_TAG 0x00000020 /* Extended tags */ +#define PCI_EXP_DEVCAP_L0S 0x000001c0 /* L0s Acceptable Latency */ +#define PCI_EXP_DEVCAP_L1 0x00000e00 /* L1 Acceptable Latency */ +#define PCI_EXP_DEVCAP_ATN_BUT 0x00001000 /* Attention Button Present */ +#define PCI_EXP_DEVCAP_ATN_IND 0x00002000 /* Attention Indicator Present */ +#define PCI_EXP_DEVCAP_PWR_IND 0x00004000 /* Power Indicator Present */ +#define PCI_EXP_DEVCAP_RBER 0x00008000 /* Role-Based Error Reporting */ +#define PCI_EXP_DEVCAP_PWR_VAL 0x03fc0000 /* Slot Power Limit Value */ +#define PCI_EXP_DEVCAP_PWR_SCL 0x0c000000 /* Slot Power Limit Scale */ #define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */ #define PCI_EXP_DEVCTL 8 /* Device Control */ #define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */ @@ -454,16 +454,16 @@ #define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */ #define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */ #define PCI_EXP_DEVSTA 10 /* Device Status */ -#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */ -#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */ -#define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */ -#define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */ -#define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */ -#define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */ +#define PCI_EXP_DEVSTA_CED 0x0001 /* Correctable Error Detected */ +#define PCI_EXP_DEVSTA_NFED 0x0002 /* Non-Fatal Error Detected */ +#define PCI_EXP_DEVSTA_FED 0x0004 /* Fatal Error Detected */ +#define PCI_EXP_DEVSTA_URD 0x0008 /* Unsupported Request Detected */ +#define PCI_EXP_DEVSTA_AUXPD 0x0010 /* AUX Power Detected */ +#define PCI_EXP_DEVSTA_TRPND 0x0020 /* Transactions Pending */ #define PCI_EXP_LNKCAP 12 /* Link Capabilities */ #define PCI_EXP_LNKCAP_SLS 0x0000000f /* Supported Link Speeds */ -#define PCI_EXP_LNKCAP_SLS_2_5GB 0x1 /* LNKCAP2 SLS Vector bit 0 (2.5GT/s) */ -#define PCI_EXP_LNKCAP_SLS_5_0GB 0x2 /* LNKCAP2 SLS Vector bit 1 (5.0GT/s) */ +#define PCI_EXP_LNKCAP_SLS_2_5GB 0x00000001 /* LNKCAP2 SLS Vector bit 0 */ +#define PCI_EXP_LNKCAP_SLS_5_0GB 0x00000002 /* LNKCAP2 SLS Vector bit 1 */ #define PCI_EXP_LNKCAP_MLW 0x000003f0 /* Maximum Link Width */ #define PCI_EXP_LNKCAP_ASPMS 0x00000c00 /* ASPM Support */ #define PCI_EXP_LNKCAP_L0SEL 0x00007000 /* L0s Exit Latency */ @@ -475,21 +475,21 @@ #define PCI_EXP_LNKCAP_PN 0xff000000 /* Port Number */ #define PCI_EXP_LNKCTL 16 /* Link Control */ #define PCI_EXP_LNKCTL_ASPMC 0x0003 /* ASPM Control */ -#define PCI_EXP_LNKCTL_ASPM_L0S 0x01 /* L0s Enable */ -#define PCI_EXP_LNKCTL_ASPM_L1 0x02 /* L1 Enable */ +#define PCI_EXP_LNKCTL_ASPM_L0S 0x0001 /* L0s Enable */ +#define PCI_EXP_LNKCTL_ASPM_L1 0x0002 /* L1 Enable */ #define PCI_EXP_LNKCTL_RCB 0x0008 /* Read Completion Boundary */ #define PCI_EXP_LNKCTL_LD 0x0010 /* Link Disable */ #define PCI_EXP_LNKCTL_RL 0x0020 /* Retrain Link */ #define PCI_EXP_LNKCTL_CCC 0x0040 /* Common Clock Configuration */ #define PCI_EXP_LNKCTL_ES 0x0080 /* Extended Synch */ -#define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */ +#define PCI_EXP_LNKCTL_CLKREQ_EN 0x0100 /* Enable clkreq */ #define PCI_EXP_LNKCTL_HAWD 0x0200 /* Hardware Autonomous Width Disable */ #define PCI_EXP_LNKCTL_LBMIE 0x0400 /* Link Bandwidth Management Interrupt Enable */ #define PCI_EXP_LNKCTL_LABIE 0x0800 /* Lnk Autonomous Bandwidth Interrupt Enable */ #define PCI_EXP_LNKSTA 18 /* Link Status */ #define PCI_EXP_LNKSTA_CLS 0x000f /* Current Link Speed */ -#define PCI_EXP_LNKSTA_CLS_2_5GB 0x01 /* Current Link Speed 2.5GT/s */ -#define PCI_EXP_LNKSTA_CLS_5_0GB 0x02 /* Current Link Speed 5.0GT/s */ +#define PCI_EXP_LNKSTA_CLS_2_5GB 0x0001 /* Current Link Speed 2.5GT/s */ +#define PCI_EXP_LNKSTA_CLS_5_0GB 0x0002 /* Current Link Speed 5.0GT/s */ #define PCI_EXP_LNKSTA_NLW 0x03f0 /* Nogotiated Link Width */ #define PCI_EXP_LNKSTA_NLW_SHIFT 4 /* start of NLW mask in link status */ #define PCI_EXP_LNKSTA_LT 0x0800 /* Link Training */ @@ -534,44 +534,49 @@ #define PCI_EXP_SLTSTA_EIS 0x0080 /* Electromechanical Interlock Status */ #define PCI_EXP_SLTSTA_DLLSC 0x0100 /* Data Link Layer State Changed */ #define PCI_EXP_RTCTL 28 /* Root Control */ -#define PCI_EXP_RTCTL_SECEE 0x01 /* System Error on Correctable Error */ -#define PCI_EXP_RTCTL_SENFEE 0x02 /* System Error on Non-Fatal Error */ -#define PCI_EXP_RTCTL_SEFEE 0x04 /* System Error on Fatal Error */ -#define PCI_EXP_RTCTL_PMEIE 0x08 /* PME Interrupt Enable */ -#define PCI_EXP_RTCTL_CRSSVE 0x10 /* CRS Software Visibility Enable */ +#define PCI_EXP_RTCTL_SECEE 0x0001 /* System Error on Correctable Error */ +#define PCI_EXP_RTCTL_SENFEE 0x0002 /* System Error on Non-Fatal Error */ +#define PCI_EXP_RTCTL_SEFEE 0x0004 /* System Error on Fatal Error */ +#define PCI_EXP_RTCTL_PMEIE 0x0008 /* PME Interrupt Enable */ +#define PCI_EXP_RTCTL_CRSSVE 0x0010 /* CRS Software Visibility Enable */ #define PCI_EXP_RTCAP 30 /* Root Capabilities */ #define PCI_EXP_RTSTA 32 /* Root Status */ -#define PCI_EXP_RTSTA_PME 0x10000 /* PME status */ -#define PCI_EXP_RTSTA_PENDING 0x20000 /* PME pending */ +#define PCI_EXP_RTSTA_PME 0x00010000 /* PME status */ +#define PCI_EXP_RTSTA_PENDING 0x00020000 /* PME pending */ /* - * Note that the following PCI Express 'Capability Structure' registers - * were introduced with 'Capability Version' 0x2 (v2). These registers - * do not exist on devices with Capability Version 1. Use pci_pcie_cap2() - * to use these fields safely. + * The Device Capabilities 2, Device Status 2, Device Control 2, + * Link Capabilities 2, Link Status 2, Link Control 2, + * Slot Capabilities 2, Slot Status 2, and Slot Control 2 registers + * are only present on devices with PCIe Capability version 2. + * Use pcie_capability_read_word() and similar interfaces to use them + * safely. */ #define PCI_EXP_DEVCAP2 36 /* Device Capabilities 2 */ -#define PCI_EXP_DEVCAP2_ARI 0x20 /* Alternative Routing-ID */ -#define PCI_EXP_DEVCAP2_LTR 0x800 /* Latency tolerance reporting */ -#define PCI_EXP_OBFF_MASK 0xc0000 /* OBFF support mechanism */ -#define PCI_EXP_OBFF_MSG 0x40000 /* New message signaling */ -#define PCI_EXP_OBFF_WAKE 0x80000 /* Re-use WAKE# for OBFF */ +#define PCI_EXP_DEVCAP2_ARI 0x00000020 /* Alternative Routing-ID */ +#define PCI_EXP_DEVCAP2_LTR 0x00000800 /* Latency tolerance reporting */ +#define PCI_EXP_DEVCAP2_OBFF_MASK 0x000c0000 /* OBFF support mechanism */ +#define PCI_EXP_DEVCAP2_OBFF_MSG 0x00040000 /* New message signaling */ +#define PCI_EXP_DEVCAP2_OBFF_WAKE 0x00080000 /* Re-use WAKE# for OBFF */ #define PCI_EXP_DEVCTL2 40 /* Device Control 2 */ -#define PCI_EXP_DEVCTL2_ARI 0x20 /* Alternative Routing-ID */ -#define PCI_EXP_IDO_REQ_EN 0x100 /* ID-based ordering request enable */ -#define PCI_EXP_IDO_CMP_EN 0x200 /* ID-based ordering completion enable */ -#define PCI_EXP_LTR_EN 0x400 /* Latency tolerance reporting */ -#define PCI_EXP_OBFF_MSGA_EN 0x2000 /* OBFF enable with Message type A */ -#define PCI_EXP_OBFF_MSGB_EN 0x4000 /* OBFF enable with Message type B */ -#define PCI_EXP_OBFF_WAKE_EN 0x6000 /* OBFF using WAKE# signaling */ +#define PCI_EXP_DEVCTL2_ARI 0x20 /* Alternative Routing-ID */ +#define PCI_EXP_DEVCTL2_IDO_REQ_EN 0x0100 /* Allow IDO for requests */ +#define PCI_EXP_DEVCTL2_IDO_CMP_EN 0x0200 /* Allow IDO for completions */ +#define PCI_EXP_DEVCTL2_LTR_EN 0x0400 /* Enable LTR mechanism */ +#define PCI_EXP_DEVCTL2_OBFF_MSGA_EN 0x2000 /* Enable OBFF Message type A */ +#define PCI_EXP_DEVCTL2_OBFF_MSGB_EN 0x4000 /* Enable OBFF Message type B */ +#define PCI_EXP_DEVCTL2_OBFF_WAKE_EN 0x6000 /* OBFF using WAKE# signaling */ +#define PCI_EXP_DEVSTA2 42 /* Device Status 2 */ #define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 44 /* v2 endpoints end here */ -#define PCI_EXP_LNKCAP2 44 /* Link Capability 2 */ -#define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */ -#define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */ -#define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */ -#define PCI_EXP_LNKCAP2_CROSSLINK 0x100 /* Crosslink supported */ +#define PCI_EXP_LNKCAP2 44 /* Link Capabilities 2 */ +#define PCI_EXP_LNKCAP2_SLS_2_5GB 0x00000002 /* Supported Speed 2.5GT/s */ +#define PCI_EXP_LNKCAP2_SLS_5_0GB 0x00000004 /* Supported Speed 5.0GT/s */ +#define PCI_EXP_LNKCAP2_SLS_8_0GB 0x00000008 /* Supported Speed 8.0GT/s */ +#define PCI_EXP_LNKCAP2_CROSSLINK 0x00000100 /* Crosslink supported */ #define PCI_EXP_LNKCTL2 48 /* Link Control 2 */ #define PCI_EXP_LNKSTA2 50 /* Link Status 2 */ +#define PCI_EXP_SLTCAP2 52 /* Slot Capabilities 2 */ #define PCI_EXP_SLTCTL2 56 /* Slot Control 2 */ +#define PCI_EXP_SLTSTA2 58 /* Slot Status 2 */ /* Extended Capabilities (PCI-X 2.0 and Express) */ #define PCI_EXT_CAP_ID(header) (header & 0x0000ffff) |