From patchwork Thu Mar 3 12:28:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 591419 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id B09F0140DFB for ; Thu, 3 Mar 2016 23:30:53 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756494AbcCCMav (ORCPT ); Thu, 3 Mar 2016 07:30:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57190 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755252AbcCCMau (ORCPT ); Thu, 3 Mar 2016 07:30:50 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id BDA49804FC; Thu, 3 Mar 2016 12:30:49 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-112-48.ams2.redhat.com [10.36.112.48]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u23CUkWI003794; Thu, 3 Mar 2016 07:30:47 -0500 From: Laurent Vivier To: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org Cc: drjones@redhat.com, thuth@redhat.com, dgibson@redhat.com, pbonzini@redhat.com, Laurent Vivier Subject: [kvm-unit-tests PATCH] powerpc: Add tests for RTAS Date: Thu, 3 Mar 2016 13:28:19 +0100 Message-Id: <1457008099-29944-1-git-send-email-lvivier@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org By starting with get-time-of-day, set-time-of-day. Signed-off-by: Laurent Vivier --- powerpc/Makefile.common | 5 +- powerpc/rtas.c | 148 ++++++++++++++++++++++++++++++++++++++++++++++++ powerpc/unittests.cfg | 12 ++++ 3 files changed, 164 insertions(+), 1 deletion(-) create mode 100644 powerpc/rtas.c diff --git a/powerpc/Makefile.common b/powerpc/Makefile.common index 2ce6494..424983e 100644 --- a/powerpc/Makefile.common +++ b/powerpc/Makefile.common @@ -6,7 +6,8 @@ tests-common = \ $(TEST_DIR)/selftest.elf \ - $(TEST_DIR)/spapr_hcall.elf + $(TEST_DIR)/spapr_hcall.elf \ + $(TEST_DIR)/rtas.elf all: $(TEST_DIR)/boot_rom.bin test_cases @@ -66,3 +67,5 @@ test_cases: $(generated_files) $(tests-common) $(tests) $(TEST_DIR)/selftest.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/selftest.o $(TEST_DIR)/spapr_hcall.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/spapr_hcall.o + +$(TEST_DIR)/rtas.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/rtas.o diff --git a/powerpc/rtas.c b/powerpc/rtas.c new file mode 100644 index 0000000..9d673f0 --- /dev/null +++ b/powerpc/rtas.c @@ -0,0 +1,148 @@ +/* + * Test the RTAS interface + */ + +#include +#include +#include + +#define DAYS(y,m,d) (365UL * (y) + ((y) / 4) - ((y) / 100) + ((y) / 400) + \ + 367UL * (m) / 12 + \ + (d)) + +static unsigned long mktime(int year, int month, int day, + int hour, int minute, int second) +{ + unsigned long epoch; + + /* Put February at end of the year to avoid leap day this year */ + + month -= 2; + if (month <= 0) { + month += 12; + year -= 1; + } + + /* compute epoch: substract DAYS(since_March(1-1-1970)) */ + + epoch = DAYS(year, month, day) - DAYS(1969, 11, 1); + + epoch = epoch * 24 + hour; + epoch = epoch * 60 + minute; + epoch = epoch * 60 + second; + + return epoch; +} + +#define DELAY 1 +#define MAX_LOOP 10000000 + +static void check_get_time_of_day(unsigned long start) +{ + int token; + int ret; + int now[8]; + unsigned long t1, t2, count; + + token = rtas_token("get-time-of-day"); + report("token available", token != RTAS_UNKNOWN_SERVICE); + if (token == RTAS_UNKNOWN_SERVICE) + return; + + ret = rtas_call(token, 0, 8, now); + report("execution", ret == 0); + + report("second", now[5] >= 0 && now[5] <= 59); + report("minute", now[4] >= 0 && now[4] <= 59); + report("hour", now[3] >= 0 && now[3] <= 23); + report("day", now[2] >= 1 && now[2] <= 31); + report("month", now[1] >= 1 && now[1] <= 12); + report("year", now[0] >= 1970); + report("accuracy (< 3s)", mktime(now[0], now[1], now[2], + now[3], now[4], now[5]) - start < 3); + + ret = rtas_call(token, 0, 8, now); + t1 = mktime(now[0], now[1], now[2], now[3], now[4], now[5]); + count = 0; + do { + ret = rtas_call(token, 0, 8, now); + t2 = mktime(now[0], now[1], now[2], now[3], now[4], now[5]); + count++; + } while (t1 + DELAY > t2 && count < MAX_LOOP); + report("running", t1 + DELAY <= t2); +} + +static void check_set_time_of_day(void) +{ + int token; + int ret; + int date[8]; + unsigned long t1, t2, count; + + token = rtas_token("set-time-of-day"); + report("token available", token != RTAS_UNKNOWN_SERVICE); + if (token == RTAS_UNKNOWN_SERVICE) + return; + + /* 23:59:59 28/2/2000 */ + + ret = rtas_call(token, 7, 1, NULL, 2000, 2, 28, 23, 59, 59); + report("execution", ret == 0); + + /* check it has worked */ + ret = rtas_call(rtas_token("get-time-of-day"), 0, 8, date); + report("re-read", ret == 0); + t1 = mktime(2000, 2, 28, 23, 59, 59); + t2 = mktime(date[0], date[1], date[2], + date[3], date[4], date[5]); + report("result", t2 - t1 < 2); + + /* check it is running */ + count = 0; + do { + ret = rtas_call(rtas_token("get-time-of-day"), 0, 8, date); + t2 = mktime(date[0], date[1], date[2], + date[3], date[4], date[5]); + count++; + } while (t1 + DELAY > t2 && count < MAX_LOOP); + report("running", t1 + DELAY <= t2); +} + +int main(int argc, char **argv) +{ + int len; + long val; + + report_prefix_push("rtas"); + + if (!argc) + report_abort("no test specified"); + + report_prefix_push(argv[0]); + + if (strcmp(argv[0], "get-time-of-day") == 0) { + + len = parse_keyval(argv[1], &val); + if (len == -1) { + printf("Missing parameter \"date\"\n"); + abort(); + } + argv[1][len] = '\0'; + + check_get_time_of_day(val); + + } else if (strcmp(argv[0], "set-time-of-day") == 0) { + + check_set_time_of_day(); + + } else { + printf("Unknown subtest\n"); + abort(); + } + + report_prefix_pop(); + + report_prefix_pop(); + + return report_summary(); +} diff --git a/powerpc/unittests.cfg b/powerpc/unittests.cfg index d858436..0666922 100644 --- a/powerpc/unittests.cfg +++ b/powerpc/unittests.cfg @@ -31,3 +31,15 @@ groups = selftest [spapr_hcall] file = spapr_hcall.elf + +[rtas-get-time-of-day] +file = rtas.elf +timeout = 5 +extra_params = -append "get-time-of-day date=$(date +%s)" +groups = rtas + +[rtas-set-time-of-day] +file = rtas.elf +extra_params = -append "set-time-of-day" +timeout = 5 +groups = rtas