kata-containers/s390-tools
1
0
Fork 0
mirror of https://github.com/ibm-s390-linux/s390-tools.git synced 2026-08-05 02:14:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

zpcictl: Pull SCLP handling out and into libzpci

Browse Source 
The upcoming optics monitoring tool will have to issue SCLP Write Event
data just like zpcictl so pull that functionality out and into libzpci.
While at it decouple getting SMART data from the actual SCLP handling.
No change in behavior intended.

Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Niklas Schnelle
2024-04-26 15:32:27 +02:00
committed by Jan Höppner
parent 4ec33d0b76
commit 8704c9c80e
6 changed files with 128 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
include/lib/pci_sclp.h Normal file
View File

@@ -0,0 +1,53 @@
/**
* @defgroup pci_sclp_h libzpci: zPCI device handling
* @{
* @brief Issue SCLPs for zPCI devices
*
* Copyright IBM Corp. 2024
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef LIB_ZPCI_PCI_SCLP_H
#define LIB_ZPCI_PCI_SCLP_H
#include <linux/types.h>
#include <stddef.h>
#include "lib/zt_common.h"
#define SCLP_ERRNOTIFY_AQ_RESET 0
#define SCLP_ERRNOTIFY_AQ_DECONF 1
#define SCLP_ERRNOTIFY_AQ_REPORT_ERR 2
#define SCLP_ERRNOTIFY_ID_ZPCICTL 0x4713
#define SCLP_ERRNOTIFY_DATA_SIZE 4054
struct zpci_report_error_header {
__u8 version; /* Interface version byte */
__u8 action; /* Action qualifier byte
* 0: Adapter Reset Request
* 1: Deconfigure and repair action requested
* 2: Informational Report
*/
__u16 length; /* Length of Subsequent Data (up to 4K – SCLP header) */
} __packed;
struct zpci_report_error_data {
__u64 timestamp;
__u64 err_log_id;
/* We cannot exceed a total of 4074 bytes (header + data) */
char log_data[SCLP_ERRNOTIFY_DATA_SIZE];
} __packed;
struct zpci_report_error {
struct zpci_report_error_header header;
struct zpci_report_error_data data;
} __packed;
int zpci_sclp_issue_action(char *pci_addr, int action,
char *data, size_t length, u64 err_log_id);
#endif /* LIB_ZPCI_PCI_SCLP_H */