drivers/net/ethernet/cavium/liquidio/cn23xx_pf_regs.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_regs.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/cavium/liquidio/cn23xx_pf_regs.h
Extension
.h
Size
23849 bytes
Lines
600
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __CN23XX_PF_REGS_H__
#define __CN23XX_PF_REGS_H__

#define     CN23XX_CONFIG_VENDOR_ID	0x00
#define     CN23XX_CONFIG_DEVICE_ID	0x02

#define     CN23XX_CONFIG_XPANSION_BAR             0x38

#define     CN23XX_CONFIG_MSIX_CAP		   0x50
#define     CN23XX_CONFIG_MSIX_LMSI		   0x54
#define     CN23XX_CONFIG_MSIX_UMSI		   0x58
#define     CN23XX_CONFIG_MSIX_MSIMD		   0x5C
#define     CN23XX_CONFIG_MSIX_MSIMM		   0x60
#define     CN23XX_CONFIG_MSIX_MSIMP		   0x64

#define     CN23XX_CONFIG_PCIE_CAP                 0x70
#define     CN23XX_CONFIG_PCIE_DEVCAP              0x74
#define     CN23XX_CONFIG_PCIE_DEVCTL              0x78
#define     CN23XX_CONFIG_PCIE_LINKCAP             0x7C
#define     CN23XX_CONFIG_PCIE_LINKCTL             0x80
#define     CN23XX_CONFIG_PCIE_SLOTCAP             0x84
#define     CN23XX_CONFIG_PCIE_SLOTCTL             0x88
#define     CN23XX_CONFIG_PCIE_DEVCTL2             0x98
#define     CN23XX_CONFIG_PCIE_LINKCTL2            0xA0
#define     CN23XX_CONFIG_PCIE_UNCORRECT_ERR_MASK  0x108
#define     CN23XX_CONFIG_PCIE_CORRECT_ERR_STATUS  0x110
#define     CN23XX_CONFIG_PCIE_DEVCTL_MASK         0x00040000

#define     CN23XX_PCIE_SRIOV_FDL		   0x188
#define     CN23XX_PCIE_SRIOV_FDL_BIT_POS	   0x10
#define     CN23XX_PCIE_SRIOV_FDL_MASK		   0xFF

#define     CN23XX_CONFIG_PCIE_FLTMSK              0x720

#define     CN23XX_CONFIG_SRIOV_VFDEVID            0x190

#define     CN23XX_CONFIG_SRIOV_BAR_START	   0x19C
#define     CN23XX_CONFIG_SRIOV_BARX(i)		\
		(CN23XX_CONFIG_SRIOV_BAR_START + ((i) * 4))
#define     CN23XX_CONFIG_SRIOV_BAR_PF		   0x08
#define     CN23XX_CONFIG_SRIOV_BAR_64BIT	   0x04
#define     CN23XX_CONFIG_SRIOV_BAR_IO		   0x01

/* ##############  BAR0 Registers ################ */

#define    CN23XX_SLI_CTL_PORT_START               0x286E0
#define    CN23XX_PORT_OFFSET                      0x10

#define    CN23XX_SLI_CTL_PORT(p)                  \
		(CN23XX_SLI_CTL_PORT_START + ((p) * CN23XX_PORT_OFFSET))

/* 2 scatch registers (64-bit)  */
#define    CN23XX_SLI_WINDOW_CTL                   0x282E0
#define    CN23XX_SLI_SCRATCH1                     0x283C0
#define    CN23XX_SLI_SCRATCH2                     0x283D0
#define    CN23XX_SLI_WINDOW_CTL_DEFAULT           0x200000ULL

/* 1 registers (64-bit)  - SLI_CTL_STATUS */
#define    CN23XX_SLI_CTL_STATUS                   0x28570

/* SLI Packet Input Jabber Register (64 bit register)
 * <31:0> for Byte count for limiting sizes of packet sizes
 * that are allowed for sli packet inbound packets.
 * the default value is 0xFA00(=64000).
 */
#define    CN23XX_SLI_PKT_IN_JABBER                0x29170
/* The input jabber is used to determine the TSO max size.
 * Due to H/W limitation, this needs to be reduced to 60000
 * in order to use H/W TSO and avoid the WQE malformation
 * PKO_BUG_24989_WQE_LEN
 */
#define    CN23XX_DEFAULT_INPUT_JABBER             0xEA60 /*60000*/

#define    CN23XX_WIN_WR_ADDR_LO                   0x20000
#define    CN23XX_WIN_WR_ADDR_HI                   0x20004
#define    CN23XX_WIN_WR_ADDR64                    CN23XX_WIN_WR_ADDR_LO

#define    CN23XX_WIN_RD_ADDR_LO                   0x20010
#define    CN23XX_WIN_RD_ADDR_HI                   0x20014
#define    CN23XX_WIN_RD_ADDR64                    CN23XX_WIN_RD_ADDR_LO

#define    CN23XX_WIN_WR_DATA_LO                   0x20020
#define    CN23XX_WIN_WR_DATA_HI                   0x20024
#define    CN23XX_WIN_WR_DATA64                    CN23XX_WIN_WR_DATA_LO

#define    CN23XX_WIN_RD_DATA_LO                   0x20040
#define    CN23XX_WIN_RD_DATA_HI                   0x20044
#define    CN23XX_WIN_RD_DATA64                    CN23XX_WIN_RD_DATA_LO

#define    CN23XX_WIN_WR_MASK_LO                   0x20030

Annotation

Implementation Notes