[kvm-unit-tests GIT PULL 07/11] lib: s390x: sie: Move sie function into library

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

Time to deduplicate more code.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 lib/s390x/sie.c  | 15 ++++++++++++++-
 lib/s390x/sie.h  |  1 +
 s390x/mvpg-sie.c | 13 -------------
 s390x/sie.c      | 17 -----------------
 4 files changed, 15 insertions(+), 31 deletions(-)

diff --git a/lib/s390x/sie.c b/lib/s390x/sie.c
index 1a93e518..b965b314 100644
--- a/lib/s390x/sie.c
+++ b/lib/s390x/sie.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Virtualization library that speeds up managing guests.
+ * Library for managing various aspects of guests
  *
  * Copyright (c) 2021 IBM Corp
  *
@@ -42,6 +42,19 @@ void sie_handle_validity(struct vm *vm)
 	validity_expected = false;
 }
 
+void sie(struct vm *vm)
+{
+	/* Reset icptcode so we don't trip over it below */
+	vm->sblk->icptcode = 0;
+
+	while (vm->sblk->icptcode == 0) {
+		sie64a(vm->sblk, &vm->save_area);
+		sie_handle_validity(vm);
+	}
+	vm->save_area.guest.grs[14] = vm->sblk->gg14;
+	vm->save_area.guest.grs[15] = vm->sblk->gg15;
+}
+
 /* Initializes the struct vm members like the SIE control block. */
 void sie_guest_create(struct vm *vm, uint64_t guest_mem, uint64_t guest_mem_len)
 {
diff --git a/lib/s390x/sie.h b/lib/s390x/sie.h
index 946bd164..ca514ef3 100644
--- a/lib/s390x/sie.h
+++ b/lib/s390x/sie.h
@@ -198,6 +198,7 @@ struct vm {
 extern void sie_entry(void);
 extern void sie_exit(void);
 extern void sie64a(struct kvm_s390_sie_block *sblk, struct vm_save_area *save_area);
+void sie(struct vm *vm);
 void sie_expect_validity(void);
 void sie_check_validity(uint16_t vir_exp);
 void sie_handle_validity(struct vm *vm);
diff --git a/s390x/mvpg-sie.c b/s390x/mvpg-sie.c
index 71ae4f88..70d2fcfa 100644
--- a/s390x/mvpg-sie.c
+++ b/s390x/mvpg-sie.c
@@ -32,19 +32,6 @@ extern const char _binary_s390x_snippets_c_mvpg_snippet_gbin_start[];
 extern const char _binary_s390x_snippets_c_mvpg_snippet_gbin_end[];
 int binary_size;
 
-static void sie(struct vm *vm)
-{
-	/* Reset icptcode so we don't trip over it below */
-	vm->sblk->icptcode = 0;
-
-	while (vm->sblk->icptcode == 0) {
-		sie64a(vm->sblk, &vm->save_area);
-		sie_handle_validity(vm);
-	}
-	vm->save_area.guest.grs[14] = vm->sblk->gg14;
-	vm->save_area.guest.grs[15] = vm->sblk->gg15;
-}
-
 static void test_mvpg_pei(void)
 {
 	uint64_t **pei_dst = (uint64_t **)((uintptr_t) vm.sblk + 0xc0);
diff --git a/s390x/sie.c b/s390x/sie.c
index 9cb9b055..ed2c3263 100644
--- a/s390x/sie.c
+++ b/s390x/sie.c
@@ -24,22 +24,6 @@ static u8 *guest;
 static u8 *guest_instr;
 static struct vm vm;
 
-
-static void sie(struct vm *vm)
-{
-	while (vm->sblk->icptcode == 0) {
-		sie64a(vm->sblk, &vm->save_area);
-		sie_handle_validity(vm);
-	}
-	vm->save_area.guest.grs[14] = vm->sblk->gg14;
-	vm->save_area.guest.grs[15] = vm->sblk->gg15;
-}
-
-static void sblk_cleanup(struct vm *vm)
-{
-	vm->sblk->icptcode = 0;
-}
-
 static void test_diag(u32 instr)
 {
 	vm.sblk->gpsw.addr = PAGE_SIZE * 2;
@@ -51,7 +35,6 @@ static void test_diag(u32 instr)
 	report(vm.sblk->icptcode == ICPT_INST &&
 	       vm.sblk->ipa == instr >> 16 && vm.sblk->ipb == instr << 16,
 	       "Intercept data");
-	sblk_cleanup(&vm);
 }
 
 static struct {
-- 
2.31.1