On Tue, 6 Sep 2016 15:17:57 +0200
Laurent Vivier <lviv...@redhat.com> wrote:
> 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 <lviv...@redhat.com>
> ---
> 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 | 42 +++++++++++++++++++++++++++
> 9 files changed, 198 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 dc058e5..8aed56f 100644
> --- a/hw/ppc/spapr_rtas.c
> +++ b/hw/ppc/spapr_rtas.c
> @@ -36,6 +36,7 @@
>
> #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"
> @@ -691,6 +692,24 @@ 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 4c94708..beb62b4 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
>
> @@ -531,6 +534,20 @@ 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 a286848..c456b8b 100644
> --- a/tests/Makefile.include
> +++ b/tests/Makefile.include
> @@ -272,6 +272,7 @@ check-qtest-sparc-y += tests/prom-env-test$(EXESUF)
> check-qtest-microblazeel-y = $(check-qtest-microblaze-y)
> check-qtest-xtensaeb-y = $(check-qtest-xtensa-y)
> check-qtest-ppc64-y += tests/postcopy-test$(EXESUF)
> +check-qtest-ppc64-y += tests/rtas-test$(EXESUF)
>
> check-qtest-generic-y += tests/qom-test$(EXESUF)
>
> @@ -558,6 +559,7 @@ tests/test-crypto-block$(EXESUF):
> tests/test-crypto-block.o $(test-crypto-obj-y)
> 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-obj-y += tests/libqos/malloc-ppc64.o tests/libqos/malloc-pc.o
> +libqos-obj-y += tests/libqos/rtas.o
> libqos-pc-obj-y = $(libqos-obj-y) tests/libqos/pci-pc.o
> libqos-pc-obj-y += tests/libqos/libqos-pc.o
> libqos-pc-obj-y += tests/libqos/ahci.o
> @@ -572,6 +574,7 @@ tests/m48t59-test$(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 $(libqos-obj-y)
> tests/fdc-test$(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..d5f4ced
> --- /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 + nret) * 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 eb00f13..c9dd57b 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 37f37ad..1badb76 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..1be625c
> --- /dev/null
> +++ b/tests/rtas-test.c
> @@ -0,0 +1,42 @@
> +#include "qemu/osdep.h"
> +#include "qemu/cutils.h"
> +#include "libqtest.h"
> +
> +#include "libqos/rtas.h"
> +
> +static void test_rtas_get_time_of_day(void)
> +{
> + QGuestAllocator *alloc;
> + struct tm tm;
> + uint32_t ns;
> + uint64_t ret;
> + time_t t1, t2;
> +
> + qtest_start("");
> +
> + alloc = machine_alloc_init();
> +
> + t1 = time(NULL);
> + ret = qrtas_get_time_of_day(alloc, &tm, &ns);
> + g_assert_cmpint(ret, ==, 0);
> + t2 = mktimegm(&tm);
> + g_assert(t2 - t1 < 5); /* 5 sec max to run the test */
> +
> + machine_alloc_uninit(alloc);
> + qtest_quit(global_qtest);
Shouldn't this be qtest_end() since qtest_quit() passes its argument to
g_free() ?
> +}
> +
> +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();
> +}
