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e08e07baa9
z15 architecture supports counters for ECC operations. We now add and evaluate these counters on supported architectures. If ECC counters are not supported, we simply print "unsupported" for ECC counter values. Manpages adapted accordingly. Signed-off-by: Juergen Christ <juergen.christ@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>
116 lines
1.9 KiB
C
116 lines
1.9 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, 2020
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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, 2020"
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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 must always be the last member of the enum
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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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};
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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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/*
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* query send from clent 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
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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);
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int recv_msg(int sfd, struct msg *m);
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/* perf_crypto.c */
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int perf_init(void);
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void perf_close(void);
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int perf_enable_ctr(enum ctr_e ctr);
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int perf_disable_ctr(enum ctr_e ctr);
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int perf_reset_ctr(enum ctr_e ctr);
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int perf_read_ctr(enum ctr_e ctr, uint64_t *value);
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int perf_ecc_supported(void);
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#endif
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