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8704c9c80e
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>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/**
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* @defgroup pci_sclp_h libzpci: zPCI device handling
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* @{
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* @brief Issue SCLPs for zPCI devices
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*
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* Copyright IBM Corp. 2024
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef LIB_ZPCI_PCI_SCLP_H
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#define LIB_ZPCI_PCI_SCLP_H
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#include <linux/types.h>
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#include <stddef.h>
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#include "lib/zt_common.h"
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#define SCLP_ERRNOTIFY_AQ_RESET 0
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#define SCLP_ERRNOTIFY_AQ_DECONF 1
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#define SCLP_ERRNOTIFY_AQ_REPORT_ERR 2
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#define SCLP_ERRNOTIFY_ID_ZPCICTL 0x4713
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#define SCLP_ERRNOTIFY_DATA_SIZE 4054
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struct zpci_report_error_header {
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__u8 version; /* Interface version byte */
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__u8 action; /* Action qualifier byte
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* 0: Adapter Reset Request
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* 1: Deconfigure and repair action requested
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* 2: Informational Report
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*/
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__u16 length; /* Length of Subsequent Data (up to 4K – SCLP header) */
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} __packed;
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struct zpci_report_error_data {
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__u64 timestamp;
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__u64 err_log_id;
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/* We cannot exceed a total of 4074 bytes (header + data) */
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char log_data[SCLP_ERRNOTIFY_DATA_SIZE];
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} __packed;
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struct zpci_report_error {
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struct zpci_report_error_header header;
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struct zpci_report_error_data data;
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} __packed;
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int zpci_sclp_issue_action(char *pci_addr, int action,
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char *data, size_t length, u64 err_log_id);
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#endif /* LIB_ZPCI_PCI_SCLP_H */
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