From patchwork Tue Sep 13 08:32:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 9328533 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2C36960839 for ; Tue, 13 Sep 2016 08:35:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1F409291A1 for ; Tue, 13 Sep 2016 08:35:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 13F492921E; Tue, 13 Sep 2016 08:35:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 48E12291A1 for ; Tue, 13 Sep 2016 08:35:20 +0000 (UTC) Received: from localhost ([::1]:47216 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bjjBY-0005WR-3h for patchwork-qemu-devel@patchwork.kernel.org; Tue, 13 Sep 2016 04:35:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35807) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bjj9Z-0004O5-Tf for qemu-devel@nongnu.org; Tue, 13 Sep 2016 04:33:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bjj9X-0005MX-9w for qemu-devel@nongnu.org; Tue, 13 Sep 2016 04:33:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50612) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bjj9X-0005MH-2H; Tue, 13 Sep 2016 04:33:15 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A69B7C04B309; Tue, 13 Sep 2016 08:33:14 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-112-33.ams2.redhat.com [10.36.112.33]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u8D8X0qT028171; Tue, 13 Sep 2016 04:33:11 -0400 From: Laurent Vivier To: david@gibson.dropbear.id.au Date: Tue, 13 Sep 2016 10:32:47 +0200 Message-Id: <1473755567-8469-4-git-send-email-lvivier@redhat.com> In-Reply-To: <1473755567-8469-1-git-send-email-lvivier@redhat.com> References: <1473755567-8469-1-git-send-email-lvivier@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 13 Sep 2016 08:33:14 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v7 3/3] tests: add RTAS command in the protocol X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, thuth@redhat.com, qemu-ppc@nongnu.org, qemu-devel@nongnu.org, groug@kaod.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add a first test to validate the protocol: - rtas/get-time-of-day compares the time from the guest with the time from the host. Signed-off-by: Laurent Vivier Reviewed-by: Greg Kurz --- v7: - don't allocate twice the memory for the RTAS call - add "-machine pseries" in rtas-test v6: - rebase v5: - use qtest_spapr_boot() instead of machine_alloc_init() v4: - use qemu_strtoXXX() instead strtoXX() v3: - use mktimegm() instead of timegm() v2: - add a missing space in qrtas_call() prototype hw/ppc/spapr_rtas.c | 19 ++++++++++++ include/hw/ppc/spapr_rtas.h | 10 +++++++ qtest.c | 17 +++++++++++ tests/Makefile.include | 3 ++ tests/libqos/rtas.c | 71 +++++++++++++++++++++++++++++++++++++++++++++ tests/libqos/rtas.h | 11 +++++++ tests/libqtest.c | 10 +++++++ tests/libqtest.h | 15 ++++++++++ tests/rtas-test.c | 41 ++++++++++++++++++++++++++ 9 files changed, 197 insertions(+) create mode 100644 include/hw/ppc/spapr_rtas.h create mode 100644 tests/libqos/rtas.c create mode 100644 tests/libqos/rtas.h create mode 100644 tests/rtas-test.c diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 27b5ad4..b80c1db 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -37,6 +37,7 @@ #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_vio.h" +#include "hw/ppc/spapr_rtas.h" #include "hw/ppc/ppc.h" #include "qapi-event.h" #include "hw/boards.h" @@ -692,6 +693,24 @@ target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *spapr, return H_PARAMETER; } +uint64_t qtest_rtas_call(char *cmd, uint32_t nargs, uint64_t args, + uint32_t nret, uint64_t rets) +{ + int token; + + for (token = 0; token < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; token++) { + if (strcmp(cmd, rtas_table[token].name) == 0) { + sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); + PowerPCCPU *cpu = POWERPC_CPU(first_cpu); + + rtas_table[token].fn(cpu, spapr, token + RTAS_TOKEN_BASE, + nargs, args, nret, rets); + return H_SUCCESS; + } + } + return H_PARAMETER; +} + void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn) { assert((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)); diff --git a/include/hw/ppc/spapr_rtas.h b/include/hw/ppc/spapr_rtas.h new file mode 100644 index 0000000..383611f --- /dev/null +++ b/include/hw/ppc/spapr_rtas.h @@ -0,0 +1,10 @@ +#ifndef HW_SPAPR_RTAS_H +#define HW_SPAPR_RTAS_H +/* + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +uint64_t qtest_rtas_call(char *cmd, uint32_t nargs, uint64_t args, + uint32_t nret, uint64_t rets); +#endif /* HW_SPAPR_RTAS_H */ diff --git a/qtest.c b/qtest.c index 649f7b2..22482cc 100644 --- a/qtest.c +++ b/qtest.c @@ -28,6 +28,9 @@ #include "qemu/option.h" #include "qemu/error-report.h" #include "qemu/cutils.h" +#ifdef TARGET_PPC64 +#include "hw/ppc/spapr_rtas.h" +#endif #define MAX_IRQ 256 @@ -534,6 +537,20 @@ static void qtest_process_command(CharDriverState *chr, gchar **words) qtest_send_prefix(chr); qtest_send(chr, "OK\n"); +#ifdef TARGET_PPC64 + } else if (strcmp(words[0], "rtas") == 0) { + uint64_t res, args, ret; + unsigned long nargs, nret; + + g_assert(qemu_strtoul(words[2], NULL, 0, &nargs) == 0); + g_assert(qemu_strtoull(words[3], NULL, 0, &args) == 0); + g_assert(qemu_strtoul(words[4], NULL, 0, &nret) == 0); + g_assert(qemu_strtoull(words[5], NULL, 0, &ret) == 0); + res = qtest_rtas_call(words[1], nargs, args, nret, ret); + + qtest_send_prefix(chr); + qtest_sendf(chr, "OK %"PRIu64"\n", res); +#endif } else if (qtest_enabled() && strcmp(words[0], "clock_step") == 0) { int64_t ns; diff --git a/tests/Makefile.include b/tests/Makefile.include index 91df9f2..fd61f97 100644 --- a/tests/Makefile.include +++ b/tests/Makefile.include @@ -265,6 +265,7 @@ check-qtest-ppc64-y += tests/prom-env-test$(EXESUF) check-qtest-ppc64-y += tests/drive_del-test$(EXESUF) check-qtest-ppc64-y += tests/postcopy-test$(EXESUF) check-qtest-ppc64-y += tests/boot-serial-test$(EXESUF) +check-qtest-ppc64-y += tests/rtas-test$(EXESUF) check-qtest-sh4-y = tests/endianness-test$(EXESUF) @@ -578,6 +579,7 @@ libqos-obj-y = tests/libqos/pci.o tests/libqos/fw_cfg.o tests/libqos/malloc.o libqos-obj-y += tests/libqos/i2c.o tests/libqos/libqos.o libqos-spapr-obj-y = $(libqos-obj-y) tests/libqos/malloc-spapr.o libqos-spapr-obj-y += tests/libqos/libqos-spapr.o +libqos-spapr-obj-y += tests/libqos/rtas.o libqos-pc-obj-y = $(libqos-obj-y) tests/libqos/pci-pc.o libqos-pc-obj-y += tests/libqos/malloc-pc.o tests/libqos/libqos-pc.o libqos-pc-obj-y += tests/libqos/ahci.o @@ -592,6 +594,7 @@ tests/m48t59-test$(EXESUF): tests/m48t59-test.o tests/endianness-test$(EXESUF): tests/endianness-test.o tests/spapr-phb-test$(EXESUF): tests/spapr-phb-test.o $(libqos-obj-y) tests/prom-env-test$(EXESUF): tests/prom-env-test.o $(libqos-obj-y) +tests/rtas-test$(EXESUF): tests/rtas-test.o $(libqos-spapr-obj-y) tests/fdc-test$(EXESUF): tests/fdc-test.o tests/ide-test$(EXESUF): tests/ide-test.o $(libqos-pc-obj-y) tests/ahci-test$(EXESUF): tests/ahci-test.o $(libqos-pc-obj-y) diff --git a/tests/libqos/rtas.c b/tests/libqos/rtas.c new file mode 100644 index 0000000..820321a --- /dev/null +++ b/tests/libqos/rtas.c @@ -0,0 +1,71 @@ +/* + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "libqtest.h" +#include "libqos/rtas.h" + +static void qrtas_copy_args(uint64_t target_args, uint32_t nargs, + uint32_t *args) +{ + int i; + + for (i = 0; i < nargs; i++) { + writel(target_args + i * sizeof(uint32_t), args[i]); + } +} + +static void qrtas_copy_ret(uint64_t target_ret, uint32_t nret, uint32_t *ret) +{ + int i; + + for (i = 0; i < nret; i++) { + ret[i] = readl(target_ret + i * sizeof(uint32_t)); + } +} + +static uint64_t qrtas_call(QGuestAllocator *alloc, const char *name, + uint32_t nargs, uint32_t *args, + uint32_t nret, uint32_t *ret) +{ + uint64_t res; + uint64_t target_args, target_ret; + + target_args = guest_alloc(alloc, nargs * sizeof(uint32_t)); + target_ret = guest_alloc(alloc, nret * sizeof(uint32_t)); + + qrtas_copy_args(target_args, nargs, args); + res = qtest_rtas_call(global_qtest, name, + nargs, target_args, nret, target_ret); + qrtas_copy_ret(target_ret, nret, ret); + + guest_free(alloc, target_ret); + guest_free(alloc, target_args); + + return res; +} + +int qrtas_get_time_of_day(QGuestAllocator *alloc, struct tm *tm, uint32_t *ns) +{ + int res; + uint32_t ret[8]; + + res = qrtas_call(alloc, "get-time-of-day", 0, NULL, 8, ret); + if (res != 0) { + return res; + } + + res = ret[0]; + memset(tm, 0, sizeof(*tm)); + tm->tm_year = ret[1] - 1900; + tm->tm_mon = ret[2] - 1; + tm->tm_mday = ret[3]; + tm->tm_hour = ret[4]; + tm->tm_min = ret[5]; + tm->tm_sec = ret[6]; + *ns = ret[7]; + + return res; +} diff --git a/tests/libqos/rtas.h b/tests/libqos/rtas.h new file mode 100644 index 0000000..a1b60a8 --- /dev/null +++ b/tests/libqos/rtas.h @@ -0,0 +1,11 @@ +/* + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef LIBQOS_RTAS_H +#define LIBQOS_RTAS_H +#include "libqos/malloc.h" + +int qrtas_get_time_of_day(QGuestAllocator *alloc, struct tm *tm, uint32_t *ns); +#endif /* LIBQOS_RTAS_H */ diff --git a/tests/libqtest.c b/tests/libqtest.c index 42ccb62..6f6bdf1 100644 --- a/tests/libqtest.c +++ b/tests/libqtest.c @@ -751,6 +751,16 @@ void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size) g_strfreev(args); } +uint64_t qtest_rtas_call(QTestState *s, const char *name, + uint32_t nargs, uint64_t args, + uint32_t nret, uint64_t ret) +{ + qtest_sendf(s, "rtas %s %u 0x%"PRIx64" %u 0x%"PRIx64"\n", + name, nargs, args, nret, ret); + qtest_rsp(s, 0); + return 0; +} + void qtest_add_func(const char *str, void (*fn)(void)) { gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str); diff --git a/tests/libqtest.h b/tests/libqtest.h index d2b4853..f7402e0 100644 --- a/tests/libqtest.h +++ b/tests/libqtest.h @@ -318,6 +318,21 @@ uint64_t qtest_readq(QTestState *s, uint64_t addr); void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size); /** + * qtest_rtas_call: + * @s: #QTestState instance to operate on. + * @name: name of the command to call. + * @nargs: Number of args. + * @args: Guest address to read args from. + * @nret: Number of return value. + * @ret: Guest address to write return values to. + * + * Call an RTAS function + */ +uint64_t qtest_rtas_call(QTestState *s, const char *name, + uint32_t nargs, uint64_t args, + uint32_t nret, uint64_t ret); + +/** * qtest_bufread: * @s: #QTestState instance to operate on. * @addr: Guest address to read from. diff --git a/tests/rtas-test.c b/tests/rtas-test.c new file mode 100644 index 0000000..115140c --- /dev/null +++ b/tests/rtas-test.c @@ -0,0 +1,41 @@ +#include "qemu/osdep.h" +#include "qemu/cutils.h" +#include "libqtest.h" + +#include "libqos/libqos-spapr.h" +#include "libqos/rtas.h" + +static void test_rtas_get_time_of_day(void) +{ + QOSState *qs; + struct tm tm; + uint32_t ns; + uint64_t ret; + time_t t1, t2; + + qs = qtest_spapr_boot("-machine pseries"); + g_assert(qs != NULL); + + t1 = time(NULL); + ret = qrtas_get_time_of_day(qs->alloc, &tm, &ns); + g_assert_cmpint(ret, ==, 0); + t2 = mktimegm(&tm); + g_assert(t2 - t1 < 5); /* 5 sec max to run the test */ + + qtest_spapr_shutdown(qs); +} + +int main(int argc, char *argv[]) +{ + const char *arch = qtest_get_arch(); + + g_test_init(&argc, &argv, NULL); + + if (strcmp(arch, "ppc64") == 0) { + qtest_add_func("rtas/get-time-of-day", test_rtas_get_time_of_day); + } else { + g_assert_not_reached(); + } + + return g_test_run(); +}