[kvm-unit-tests PATCH v2 5/6] s390x: uv-guest: Test invalid commands

[Janosch Frank <frankja@linux.ibm.com>]

Let's check if the UV calls that should not be available in a
protected guest 2 are actually not available. Also let's check if they
are falsely indicated to be available.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
---
 s390x/uv-guest.c | 46 +++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 39 insertions(+), 7 deletions(-)

diff --git a/s390x/uv-guest.c b/s390x/uv-guest.c
index e99029a7..ce2ef79b 100644
--- a/s390x/uv-guest.c
+++ b/s390x/uv-guest.c
@@ -121,16 +121,48 @@ static void test_sharing(void)
 	report_prefix_pop();
 }
 
+static struct {
+	const char *name;
+	uint16_t cmd;
+	uint16_t len;
+	int call_bit;
+} invalid_cmds[] = {
+	{ "bogus", 0x4242, sizeof(struct uv_cb_header), -1 },
+	{ "init", UVC_CMD_INIT_UV, sizeof(struct uv_cb_init), BIT_UVC_CMD_INIT_UV },
+	{ "create conf", UVC_CMD_CREATE_SEC_CONF, sizeof(struct uv_cb_cgc), BIT_UVC_CMD_CREATE_SEC_CONF },
+	{ "destroy conf", UVC_CMD_DESTROY_SEC_CONF, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_DESTROY_SEC_CONF },
+	{ "create cpu", UVC_CMD_CREATE_SEC_CPU, sizeof(struct uv_cb_csc), BIT_UVC_CMD_CREATE_SEC_CPU },
+	{ "destroy cpu", UVC_CMD_DESTROY_SEC_CPU, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_DESTROY_SEC_CPU },
+	{ "conv to", UVC_CMD_CONV_TO_SEC_STOR, sizeof(struct uv_cb_cts), BIT_UVC_CMD_CONV_TO_SEC_STOR },
+	{ "conv from", UVC_CMD_CONV_FROM_SEC_STOR, sizeof(struct uv_cb_cfs), BIT_UVC_CMD_CONV_FROM_SEC_STOR },
+	{ "set sec conf", UVC_CMD_SET_SEC_CONF_PARAMS, sizeof(struct uv_cb_ssc), BIT_UVC_CMD_SET_SEC_PARMS },
+	{ "unpack", UVC_CMD_UNPACK_IMG, sizeof(struct uv_cb_unp), BIT_UVC_CMD_UNPACK_IMG },
+	{ "verify", UVC_CMD_VERIFY_IMG, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_VERIFY_IMG },
+	{ "cpu reset", UVC_CMD_CPU_RESET, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_CPU_RESET },
+	{ "cpu initial reset", UVC_CMD_CPU_RESET_INITIAL, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_CPU_RESET_INITIAL },
+	{ "conf clear reset", UVC_CMD_PERF_CONF_CLEAR_RESET, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_PREPARE_CLEAR_RESET },
+	{ "cpu clear reset", UVC_CMD_CPU_RESET_CLEAR, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_CPU_PERFORM_CLEAR_RESET },
+	{ "cpu set state", UVC_CMD_CPU_SET_STATE, sizeof(struct uv_cb_cpu_set_state), BIT_UVC_CMD_CPU_SET_STATE },
+	{ "pin shared", UVC_CMD_PIN_PAGE_SHARED, sizeof(struct uv_cb_cfs), BIT_UVC_CMD_PIN_PAGE_SHARED },
+	{ "unpin shared", UVC_CMD_UNPIN_PAGE_SHARED, sizeof(struct uv_cb_cts), BIT_UVC_CMD_UNPIN_PAGE_SHARED },
+	{ NULL, 0, 0 },
+};
+
 static void test_invalid(void)
 {
-	struct uv_cb_header uvcb = {
-		.len = 16,
-		.cmd = 0x4242,
-	};
-	int cc;
+	struct uv_cb_header *hdr = (void *)page;
+	int cc, i;
 
-	cc = uv_call(0, (u64)&uvcb);
-	report(cc == 1 && uvcb.rc == UVC_RC_INV_CMD, "invalid command");
+	report_prefix_push("invalid");
+	for (i = 0; invalid_cmds[i].name; i++) {
+		hdr->cmd = invalid_cmds[i].cmd;
+		hdr->len = invalid_cmds[i].len;
+		cc = uv_call(0, (u64)hdr);
+		report(cc == 1 && hdr->rc == UVC_RC_INV_CMD &&
+		       invalid_cmds[i].call_bit == -1 ? true : !uv_query_test_call(invalid_cmds[i].call_bit),
+		       "%s", invalid_cmds[i].name);
+	}
+	report_prefix_pop();
 }
 
 int main(void)
-- 
2.30.2