13:63
S
B/ X S
Index of /anon_sym/anon/proc/self/root/sys/module/cpuidle
Index of /anon_sym/anon/proc/self/root/sys/module/cpuidle
U
s U
Index of /anon_sym/anon/proc/self/root/usr/src
Index of /anon_sym/anon/proc/self/root/usr/src
W
W/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_FSI_H
#define _UAPI_LINUX_FSI_H
#include
#include
/*
* /dev/scom "raw" ioctl interface
*
* The driver supports a high level "read/write" interface which
* handles retries and converts the status to Linux error codes,
* however low level tools an debugger need to access the "raw"
* HW status information and interpret it themselves, so this
* ioctl interface is also provided for their use case.
*/
/* Structure for SCOM read/write */
struct scom_access {
__u64 addr; /* SCOM address, supports indirect */
__u64 data; /* SCOM data (in for write, out for read) */
__u64 mask; /* Data mask for writes */
__u32 intf_errors; /* Interface error flags */
#define SCOM_INTF_ERR_PARITY 0x00000001 /* Parity error */
#define SCOM_INTF_ERR_PROTECTION 0x00000002 /* Blocked by secure boot */
#define SCOM_INTF_ERR_ABORT 0x00000004 /* PIB reset during access */
#define SCOM_INTF_ERR_UNKNOWN 0x80000000 /* Unknown error */
/*
* Note: Any other bit set in intf_errors need to be considered as an
* error. Future implementations may define new error conditions. The
* pib_status below is only valid if intf_errors is 0.
*/
__u8 pib_status; /* 3-bit PIB status */
#define SCOM_PIB_SUCCESS 0 /* Access successful */
#define SCOM_PIB_BLOCKED 1 /* PIB blocked, pls retry */
#define SCOM_PIB_OFFLINE 2 /* Chiplet offline */
#define SCOM_PIB_PARTIAL 3 /* Partial good */
#define SCOM_PIB_BAD_ADDR 4 /* Invalid address */
#define SCOM_PIB_CLK_ERR 5 /* Clock error */
#define SCOM_PIB_PARITY_ERR 6 /* Parity err