@@ -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));
new file mode 100644
@@ -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 */
@@ -27,6 +27,9 @@
#include "qemu/config-file.h"
#include "qemu/option.h"
#include "qemu/error-report.h"
+#ifdef TARGET_PPC64
+#include "hw/ppc/spapr_rtas.h"
+#endif
#define MAX_IRQ 256
@@ -528,6 +531,20 @@ 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;
+ uint32_t nargs, nret;
+
+ nargs = strtol(words[2], NULL, 0);
+ args = strtoll(words[3], NULL, 0);
+ nret = strtol(words[4], NULL, 0);
+ ret = strtoll(words[5], NULL, 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;
@@ -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)
new file mode 100644
@@ -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;
+}
new file mode 100644
@@ -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 */
@@ -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);
@@ -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.
new file mode 100644
@@ -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);
+}
+
+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();
+}
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 <lvivier@redhat.com> --- 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