diff --git a/MAINTAINERS b/MAINTAINERS
index 04beb34e7e..36055f14c5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1772,6 +1772,7 @@ F: include/hw/scsi/*
 F: hw/scsi/*
 F: tests/qtest/virtio-scsi-test.c
 F: tests/qtest/fuzz-virtio-scsi-test.c
+F: tests/qtest/am53c974-test.c
 T: git https://github.com/bonzini/qemu.git scsi-next
 
 SSI
diff --git a/tests/qtest/am53c974-test.c b/tests/qtest/am53c974-test.c
new file mode 100644
index 0000000000..d996866cd4
--- /dev/null
+++ b/tests/qtest/am53c974-test.c
@@ -0,0 +1,218 @@
+/*
+ * QTest testcase for am53c974
+ *
+ * Copyright (c) 2021 Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
+ *
+ * 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 "libqos/libqtest.h"
+
+
+static void test_cmdfifo_underflow_ok(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi "
+        "-device scsi-hd,drive=disk0 -drive "
+        "id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x01);
+    qtest_outl(s, 0xcf8, 0x8000100e);
+    qtest_outl(s, 0xcfc, 0x8a000000);
+    qtest_outl(s, 0x8a09, 0x42000000);
+    qtest_outl(s, 0x8a0d, 0x00);
+    qtest_outl(s, 0x8a0b, 0x1000);
+    qtest_quit(s);
+}
+
+/* Reported as crash_1548bd10e7 */
+static void test_cmdfifo_underflow2_ok(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi -device scsi-hd,drive=disk0 "
+        "-drive id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001010);
+    qtest_outl(s, 0xcfc, 0xc000);
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x01);
+    qtest_outw(s, 0xc00c, 0x41);
+    qtest_outw(s, 0xc00a, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00c, 0x43);
+    qtest_outw(s, 0xc00b, 0x00);
+    qtest_outw(s, 0xc00b, 0x00);
+    qtest_outw(s, 0xc00c, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00a, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00c, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00a, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00c, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00a, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00c, 0x00);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outl(s, 0xc006, 0x00);
+    qtest_outl(s, 0xc00b, 0x00);
+    qtest_outw(s, 0xc00b, 0x0800);
+    qtest_outw(s, 0xc00b, 0x00);
+    qtest_outw(s, 0xc00b, 0x00);
+    qtest_outl(s, 0xc006, 0x00);
+    qtest_outl(s, 0xc00b, 0x00);
+    qtest_outw(s, 0xc00b, 0x0800);
+    qtest_outw(s, 0xc00b, 0x00);
+    qtest_outw(s, 0xc00b, 0x4100);
+    qtest_outw(s, 0xc00a, 0x00);
+    qtest_outl(s, 0xc00a, 0x100000);
+    qtest_outl(s, 0xc00a, 0x00);
+    qtest_outw(s, 0xc00c, 0x43);
+    qtest_outl(s, 0xc00a, 0x100000);
+    qtest_outl(s, 0xc00a, 0x100000);
+    qtest_quit(s);
+}
+
+static void test_cmdfifo_overflow_ok(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi "
+        "-device scsi-hd,drive=disk0 -drive "
+        "id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x01);
+    qtest_outl(s, 0xcf8, 0x8000100e);
+    qtest_outl(s, 0xcfc, 0x0e000000);
+    qtest_outl(s, 0xe40, 0x03);
+    qtest_outl(s, 0xe0b, 0x4100);
+    qtest_outl(s, 0xe0b, 0x9000);
+    qtest_quit(s);
+}
+
+/* Reported as crash_530ff2e211 */
+static void test_cmdfifo_overflow2_ok(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi -device scsi-hd,drive=disk0 "
+        "-drive id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001010);
+    qtest_outl(s, 0xcfc, 0xc000);
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x01);
+    qtest_outl(s, 0xc00b, 0x4100);
+    qtest_outw(s, 0xc00b, 0xc200);
+    qtest_outl(s, 0xc03f, 0x0300);
+    qtest_quit(s);
+}
+
+/* Reported as crash_0900379669 */
+static void test_fifo_pop_buf(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi -device scsi-hd,drive=disk0 "
+        "-drive id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001010);
+    qtest_outl(s, 0xcfc, 0xc000);
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x01);
+    qtest_outb(s, 0xc000, 0x4);
+    qtest_outb(s, 0xc008, 0xa0);
+    qtest_outl(s, 0xc03f, 0x0300);
+    qtest_outl(s, 0xc00b, 0xc300);
+    qtest_outw(s, 0xc00b, 0x9000);
+    qtest_outl(s, 0xc00b, 0xc300);
+    qtest_outl(s, 0xc00b, 0xc300);
+    qtest_outl(s, 0xc00b, 0xc300);
+    qtest_outw(s, 0xc00b, 0x9000);
+    qtest_outw(s, 0xc00b, 0x1000);
+    qtest_quit(s);
+}
+
+static void test_target_selected_ok(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi "
+        "-device scsi-hd,drive=disk0 -drive "
+        "id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001001);
+    qtest_outl(s, 0xcfc, 0x01000000);
+    qtest_outl(s, 0xcf8, 0x8000100e);
+    qtest_outl(s, 0xcfc, 0xef800000);
+    qtest_outl(s, 0xef8b, 0x4100);
+    qtest_outw(s, 0xef80, 0x01);
+    qtest_outl(s, 0xefc0, 0x03);
+    qtest_outl(s, 0xef8b, 0xc100);
+    qtest_outl(s, 0xef8b, 0x9000);
+    qtest_quit(s);
+}
+
+static void test_fifo_underflow_on_write_ok(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi "
+        "-device scsi-hd,drive=disk0 -drive "
+        "id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001010);
+    qtest_outl(s, 0xcfc, 0xc000);
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x01);
+    qtest_outl(s, 0xc008, 0x0a);
+    qtest_outl(s, 0xc009, 0x41000000);
+    qtest_outl(s, 0xc009, 0x41000000);
+    qtest_outl(s, 0xc00b, 0x1000);
+    qtest_quit(s);
+}
+
+static void test_cancelled_request_ok(void)
+{
+    QTestState *s = qtest_init(
+        "-device am53c974,id=scsi "
+        "-device scsi-hd,drive=disk0 -drive "
+        "id=disk0,if=none,file=null-co://,format=raw -nodefaults");
+    qtest_outl(s, 0xcf8, 0x80001010);
+    qtest_outl(s, 0xcfc, 0xc000);
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x05);
+    qtest_outb(s, 0xc046, 0x02);
+    qtest_outl(s, 0xc00b, 0xc100);
+    qtest_outl(s, 0xc040, 0x03);
+    qtest_outl(s, 0xc040, 0x03);
+    qtest_bufwrite(s, 0x0, "\x41", 0x1);
+    qtest_outl(s, 0xc00b, 0xc100);
+    qtest_outw(s, 0xc040, 0x02);
+    qtest_outw(s, 0xc040, 0x81);
+    qtest_outl(s, 0xc00b, 0x9000);
+    qtest_quit(s);
+}
+
+int main(int argc, char **argv)
+{
+    const char *arch = qtest_get_arch();
+
+    g_test_init(&argc, &argv, NULL);
+
+    if (strcmp(arch, "i386") == 0) {
+        qtest_add_func("am53c974/test_cmdfifo_underflow_ok",
+                       test_cmdfifo_underflow_ok);
+        qtest_add_func("am53c974/test_cmdfifo_underflow2_ok",
+                       test_cmdfifo_underflow2_ok);
+        qtest_add_func("am53c974/test_cmdfifo_overflow_ok",
+                       test_cmdfifo_overflow_ok);
+        qtest_add_func("am53c974/test_cmdfifo_overflow2_ok",
+                       test_cmdfifo_overflow2_ok);
+        qtest_add_func("am53c974/test_fifo_pop_buf",
+                       test_fifo_pop_buf);
+        qtest_add_func("am53c974/test_target_selected_ok",
+                       test_target_selected_ok);
+        qtest_add_func("am53c974/test_fifo_underflow_on_write_ok",
+                       test_fifo_underflow_on_write_ok);
+        qtest_add_func("am53c974/test_cancelled_request_ok",
+                       test_cancelled_request_ok);
+    }
+
+    return g_test_run();
+}
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index 420cd9986e..0c76738921 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -65,6 +65,7 @@ qtests_i386 = \
   (config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ? ['tpm-tis-swtpm-test'] : []) +        \
   (config_all_devices.has_key('CONFIG_RTL8139_PCI') ? ['rtl8139-test'] : []) +              \
   (config_all_devices.has_key('CONFIG_E1000E_PCI_EXPRESS') ? ['fuzz-e1000e-test'] : []) +   \
+  (config_all_devices.has_key('CONFIG_ESP_PCI') ? ['am53c974-test'] : []) +                 \
   qtests_pci +                                                                              \
   ['fdc-test',
    'ide-test',