Setup testing environment and check privilege.
Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
---
s390x/css.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 68 insertions(+), 4 deletions(-)
diff --git a/s390x/css.c b/s390x/css.c
index f4b7af1..da21ccc 100644
--- a/s390x/css.c
+++ b/s390x/css.c
@@ -15,17 +15,24 @@
#include <interrupt.h>
#include <asm/arch_def.h>
#include <alloc_page.h>
+#include <alloc.h>
#include <malloc_io.h>
#include <css.h>
#include <asm/barrier.h>
+struct tests {
+ const char *name;
+ void (*func)(void);
+};
+
#define DEFAULT_CU_TYPE 0x3832 /* virtio-ccw */
static unsigned long cu_type = DEFAULT_CU_TYPE;
static int test_device_sid;
static struct senseid *senseid;
struct ccw1 *ccw;
+struct orb *orb;
static void test_enumerate(void)
{
@@ -46,6 +53,65 @@ static void test_enable(void)
report(cc == 0, "Enable subchannel %08x", test_device_sid);
}
+/* orb_alloc
+ *
+ * We allocate and initialize for all tests:
+ * - the ORB on a global pointer without memory restrictions.
+ * - A CCW and the senseid structures in I/O memory.
+ * Every subtest is responsible to have them modified for their purpose.
+ */
+static void orb_alloc(void)
+{
+ senseid = alloc_io_mem(sizeof(*senseid), 0);
+ assert(senseid);
+
+ ccw = ccw_alloc(CCW_CMD_SENSE_ID, senseid, sizeof(*senseid), CCW_F_SLI);
+ assert(ccw);
+
+ orb = malloc(sizeof(*orb));
+ assert(orb);
+
+ orb->intparm = test_device_sid;
+ orb->ctrl = ORB_CTRL_ISIC | ORB_CTRL_FMT | ORB_LPM_DFLT;
+ orb->cpa = (long)ccw;
+}
+
+static void orb_free(void)
+{
+ free_io_mem(senseid, sizeof(*senseid));
+ free_io_mem(ccw, sizeof(struct ccw1));
+ free(orb);
+}
+
+static void ssch_privilege(void)
+{
+ enter_pstate();
+ expect_pgm_int();
+ ssch(test_device_sid, orb);
+ check_pgm_int_code(PGM_INT_CODE_PRIVILEGED_OPERATION);
+}
+
+static struct tests ssh_tests[] = {
+ { "privilege", ssch_privilege },
+ { NULL, NULL }
+};
+
+static void test_ssch(void)
+{
+ int i;
+
+ orb_alloc();
+ assert(css_enable(test_device_sid, 0) == 0);
+
+ for (i = 0; ssh_tests[i].name; i++) {
+ report_prefix_push(ssh_tests[i].name);
+ ssh_tests[i].func();
+ report_prefix_pop();
+ }
+
+ orb_free();
+}
+
/*
* test_sense
* Pre-requisites:
@@ -311,12 +377,10 @@ static void test_schm_fmt1(void)
free_io_mem(mb1, sizeof(struct measurement_block_format1));
}
-static struct {
- const char *name;
- void (*func)(void);
-} tests[] = {
+static struct tests tests[] = {
/* The css_init test is needed to initialize the CSS Characteristics */
{ "enable (msch)", test_enable },
+ { "start subchannel", test_ssch },
{ "sense (ssch/tsch)", test_sense },
{ "measurement block (schm)", test_schm },
{ "measurement block format0", test_schm_fmt0 },
--
2.17.1
