Merge tag '6.6-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6

[sfrench/cifs-2.6.git] / tools / testing / selftests / kvm / lib / ucall_common.c

diff --git a/tools/testing/selftests/kvm/lib/ucall_common.c b/tools/testing/selftests/kvm/lib/ucall_common.c
index 2f0e2ea941cc66c2d27e74d0e734be274d060674..816a3fa109bfb6b608eadeda9f0827687ebbe1b5 100644 (file)
--- a/tools/testing/selftests/kvm/lib/ucall_common.c
+++ b/tools/testing/selftests/kvm/lib/ucall_common.c
@@ -11,6 +11,11 @@ struct ucall_header {
        struct ucall ucalls[KVM_MAX_VCPUS];
 };
 
+int ucall_nr_pages_required(uint64_t page_size)
+{
+       return align_up(sizeof(struct ucall_header), page_size) / page_size;
+}
+
 /*
  * ucall_pool holds per-VM values (global data is duplicated by each VM), it
  * must not be accessed from host code.
@@ -70,6 +75,45 @@ static void ucall_free(struct ucall *uc)
        clear_bit(uc - ucall_pool->ucalls, ucall_pool->in_use);
 }
 
+void ucall_assert(uint64_t cmd, const char *exp, const char *file,
+                 unsigned int line, const char *fmt, ...)
+{
+       struct ucall *uc;
+       va_list va;
+
+       uc = ucall_alloc();
+       uc->cmd = cmd;
+
+       WRITE_ONCE(uc->args[GUEST_ERROR_STRING], (uint64_t)(exp));
+       WRITE_ONCE(uc->args[GUEST_FILE], (uint64_t)(file));
+       WRITE_ONCE(uc->args[GUEST_LINE], line);
+
+       va_start(va, fmt);
+       guest_vsnprintf(uc->buffer, UCALL_BUFFER_LEN, fmt, va);
+       va_end(va);
+
+       ucall_arch_do_ucall((vm_vaddr_t)uc->hva);
+
+       ucall_free(uc);
+}
+
+void ucall_fmt(uint64_t cmd, const char *fmt, ...)
+{
+       struct ucall *uc;
+       va_list va;
+
+       uc = ucall_alloc();
+       uc->cmd = cmd;
+
+       va_start(va, fmt);
+       guest_vsnprintf(uc->buffer, UCALL_BUFFER_LEN, fmt, va);
+       va_end(va);
+
+       ucall_arch_do_ucall((vm_vaddr_t)uc->hva);
+
+       ucall_free(uc);
+}
+
 void ucall(uint64_t cmd, int nargs, ...)
 {
        struct ucall *uc;