/*
 * Arch specific functions for perf kvm stat.
 *
 * Copyright 2014 IBM Corp.
 * Author(s): Alexander Yarygin <yarygin@linux.vnet.ibm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (version 2 only)
 * as published by the Free Software Foundation.
 */

#include "../../util/kvm-stat.h"
#include <asm/sie.h>

define_exit_reasons_table(sie_exit_reasons, sie_intercept_code);
define_exit_reasons_table(sie_icpt_insn_codes, icpt_insn_codes);
define_exit_reasons_table(sie_sigp_order_codes, sigp_order_codes);
define_exit_reasons_table(sie_diagnose_codes, diagnose_codes);
define_exit_reasons_table(sie_icpt_prog_codes, icpt_prog_codes);

const char *vcpu_id_str = "id";
const int decode_str_len = 40;
const char *kvm_exit_reason = "icptcode";
const char *kvm_entry_trace = "kvm:kvm_s390_sie_enter";
const char *kvm_exit_trace = "kvm:kvm_s390_sie_exit";

static void event_icpt_insn_get_key(struct perf_evsel *evsel,
				    struct perf_sample *sample,
				    struct event_key *key)
{
	unsigned long insn;

	insn = perf_evsel__intval(evsel, sample, "instruction");
	key->key = icpt_insn_decoder(insn);
	key->exit_reasons = sie_icpt_insn_codes;
}

static void event_sigp_get_key(struct perf_evsel *evsel,
			       struct perf_sample *sample,
			       struct event_key *key)
{
	key->key = perf_evsel__intval(evsel, sample, "order_code");
	key->exit_reasons = sie_sigp_order_codes;
}

static void event_diag_get_key(struct perf_evsel *evsel,
			       struct perf_sample *sample,
			       struct event_key *key)
{
	key->key = perf_evsel__intval(evsel, sample, "code");
	key->exit_reasons = sie_diagnose_codes;
}

static void event_icpt_prog_get_key(struct perf_evsel *evsel,
				    struct perf_sample *sample,
				    struct event_key *key)
{
	key->key = perf_evsel__intval(evsel, sample, "code");
	key->exit_reasons = sie_icpt_prog_codes;
}

static struct child_event_ops child_events[] = {
	{ .name = "kvm:kvm_s390_intercept_instruction",
	  .get_key = event_icpt_insn_get_key },
	{ .name = "kvm:kvm_s390_handle_sigp",
	  .get_key = event_sigp_get_key },
	{ .name = "kvm:kvm_s390_handle_diag",
	  .get_key = event_diag_get_key },
	{ .name = "kvm:kvm_s390_intercept_prog",
	  .get_key = event_icpt_prog_get_key },
	{ NULL, NULL },
};

static struct kvm_events_ops exit_events = {
	.is_begin_event = exit_event_begin,
	.is_end_event = exit_event_end,
	.child_ops = child_events,
	.decode_key = exit_event_decode_key,
	.name = "VM-EXIT"
};

const char *kvm_events_tp[] = {
	"kvm:kvm_s390_sie_enter",
	"kvm:kvm_s390_sie_exit",
	"kvm:kvm_s390_intercept_instruction",
	"kvm:kvm_s390_handle_sigp",
	"kvm:kvm_s390_handle_diag",
	"kvm:kvm_s390_intercept_prog",
	NULL,
};

struct kvm_reg_events_ops kvm_reg_events_ops[] = {
	{ .name = "vmexit", .ops = &exit_events },
	{ NULL, NULL },
};

const char * const kvm_skip_events[] = {
	"Wait state",
	NULL,
};

int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
{
	if (strstr(cpuid, "IBM/S390")) {
		kvm->exit_reasons = sie_exit_reasons;
		kvm->exit_reasons_isa = "SIE";
	} else
		return -ENOTSUP;

	return 0;
}
962c8871f015f5c8978384553dddcf5b81b22'>wireless</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='33e962c8871f015f5c8978384553dddcf5b81b22'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;</td><td class='right'>2017-01-29 12:40:52 +0100</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-31 09:08:52 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/wireless?h=nds-private-remove&amp;id=33e962c8871f015f5c8978384553dddcf5b81b22'>33e962c8871f015f5c8978384553dddcf5b81b22</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/wireless?id=33e962c8871f015f5c8978384553dddcf5b81b22'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=33e962c8871f015f5c8978384553dddcf5b81b22'>43aff96c2ee21d9e0fa2018457778a4de52053cd</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/wireless?h=nds-private-remove&amp;id=33e962c8871f015f5c8978384553dddcf5b81b22'>net/wireless</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/wireless?h=nds-private-remove&amp;id=575ddce0507789bf9830d089557d2199d2f91865'>575ddce0507789bf9830d089557d2199d2f91865</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/wireless?h=nds-private-remove&amp;id=33e962c8871f015f5c8978384553dddcf5b81b22&amp;id2=575ddce0507789bf9830d089557d2199d2f91865'>diff</a>)</td></tr></table>
<div class='commit-subject'>rt2x00: fix clk_get call</div><div class='commit-msg'>clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau &lt;nbd@nbd.name&gt;
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=33e962c8871f015f5c8978384553dddcf5b81b22'>Diffstat</a> (limited to 'net/wireless')</div><table summary='diffstat' class='diffstat'>