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https://github.com/ibm-s390-linux/s390-tools.git
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5218c243f4
MSA 10 and MSA 11 introduce new function codes containing Full XTS functions for KM instruction and HMAC functions for KMAC instruction. Additional Full XTS and HMAC for PCKMO instruction is introduced. Signed-off-by: Finn Callies <fcallies@linux.ibm.com> Reviewed-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
161 lines
3.4 KiB
C
161 lines
3.4 KiB
C
/*
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* cpacfstats - display and maintain CPACF perf counters
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*
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* common function prototypes and definitions
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*
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* Copyright IBM Corp. 2015, 2022
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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 CPACFSTATS_H
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#define CPACFSTATS_H
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#include "lib/zt_common.h"
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#define COPYRIGHT "Copyright IBM Corp. 2015, 2022"
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#define DEFAULT_SEND_TIMEOUT (30 * 1000)
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#define DEFAULT_RECV_TIMEOUT (30 * 1000)
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/*
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* Number of PAI counters. Contains all counters regardless of kernel or user
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* space
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*/
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#define MAX_NUM_PAI 172
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/*
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* This is the sysfs directory from which cpacfstatsd daemon application loads
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* the available PAI counters
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*/
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#define SYSFS_PAI_COUNTER "/sys/bus/event_source/devices/pai_crypto/events/"
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/*
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* Note that this is the first kernel only counter in the 1-based list of the
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* architecture and NOT from the 0-based list in the cpacfstats code!
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*/
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#define FIRST_KERNEL_ONLY_COUNTER 144
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int eprint(const char *format, ...);
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/*
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* Counter names
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* ALL_COUNTER specifies the number of physical counters. Virtual
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* counters might be added afterwards. NUM_COUNTER is the last
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* managed counter (i.e., a counter that can be activated, reset,
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* deactivated).
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*/
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enum ctr_e {
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DES_FUNCTIONS = 0,
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AES_FUNCTIONS,
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SHA_FUNCTIONS,
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PRNG_FUNCTIONS,
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ECC_FUNCTIONS,
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ALL_COUNTER,
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PAI_USER,
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PAI_KERNEL,
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NUM_COUNTER,
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HOTPLUG_DETECTED = 0xffff
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};
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enum type_e {
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QUERY = 0,
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ANSWER
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};
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enum cmd_e {
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PRINT = 0,
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ENABLE,
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DISABLE,
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RESET
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};
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enum state_e {
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DISABLED = 0,
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ENABLED,
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UNSUPPORTED
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};
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enum counter_type {
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SUPPRESS_COUNTER = 0,
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KERNEL_AND_USER_COUNTER,
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KERNEL_ONLY_COUNTER,
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};
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/*
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* query send from client to daemon
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* Consist of:
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* enum counter
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* enum command
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*/
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struct msg_query {
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uint32_t m_ctr;
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uint32_t m_cmd;
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} __packed;
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/*
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* answer send from daemon to client
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* Consist of:
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* enum counter or PAI counter number if following PAI_USER or PAI_KERNEL
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* status code: < 0 error, 0 disabled, > 0 enabled
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* counter value
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*/
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struct msg_answer {
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uint32_t m_ctr;
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int32_t m_state;
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uint64_t m_value;
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} __packed;
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/* stats_sock.c */
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#define SERVER 1
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#define CLIENT 2
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#define BACKLOG 10
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#define SOCKET_FILE "/run/cpacfstatsd_socket"
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#define PID_FILE "/run/cpacfstatsd.pid"
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#define CPACFSTATS_GROUP "cpacfstats"
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struct msg_header {
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uint32_t m_ver;
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uint32_t m_type;
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} __packed;
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struct msg {
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struct msg_header head;
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union {
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struct msg_query query;
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struct msg_answer answer;
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};
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} __packed;
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int open_socket(int mode);
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int send_msg(int sfd, struct msg *m, int timeout);
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int recv_msg(int sfd, struct msg *m, int timeout);
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/* perf_crypto.c */
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int perf_init(unsigned int *supported_counters);
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void perf_stop(void);
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void perf_close(void);
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int perf_enable_ctr(enum ctr_e ctr, unsigned int *supported_counters);
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int perf_disable_ctr(enum ctr_e ctr, unsigned int *supported_counters);
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int perf_reset_ctr(enum ctr_e ctr, uint64_t *value, unsigned int
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*supported_counters);
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int perf_read_ctr(enum ctr_e ctr, uint64_t *value, unsigned int
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*supported_counters);
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int perf_ecc_supported(void);
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int perf_ctr_state(enum ctr_e ctr);
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int perf_read_pai_ctr(unsigned int ctrnum, int user, uint64_t *value);
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/* cpacfstats_common.c */
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enum counter_type is_user_space(unsigned int ctr);
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const char *get_ctr_name(unsigned int ctr);
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unsigned int get_num_user_space_ctrs(void);
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#endif
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