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authorJuan Quintela <quintela@redhat.com>2009-10-19 20:00:36 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2009-10-27 12:28:51 -0500
commit9ba2f6601d92c739d985107b2b204d420d0af24d (patch)
treec872243549feaae981c86128bc10b4fde0d440d7 /hw/hw.h
parent9e77fcd0274fcb5859f4e8acf91d40b2f967fcc4 (diff)
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vmstate: Introduce the concept of sub-arrays
VMSTATE_SUB_ARRAY(..., start, num, ...) saves the num elems starting at position start of the array Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/hw.h')
-rw-r--r--hw/hw.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/hw/hw.h b/hw/hw.h
index 15c93f8..0509ee9 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -352,6 +352,9 @@ extern const VMStateInfo vmstate_info_unused_buffer;
(offsetof(_state, _field) + \
type_check_array(_type, typeof_field(_state, _field), _num))
+#define vmstate_offset_sub_array(_state, _field, _type, _start) \
+ (offsetof(_state, _field[_start]))
+
#define vmstate_offset_buffer(_state, _field) \
vmstate_offset_array(_state, _field, uint8_t, \
sizeof(typeof_field(_state, _field)))
@@ -395,6 +398,16 @@ extern const VMStateInfo vmstate_info_unused_buffer;
.offset = vmstate_offset_array(_state, _field, _type, _num),\
}
+#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
+ .name = (stringify(_field)), \
+ .version_id = (_version), \
+ .num = (_num), \
+ .info = &(_info), \
+ .size = sizeof(_type), \
+ .flags = VMS_ARRAY, \
+ .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
+}
+
#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
@@ -627,6 +640,12 @@ extern const VMStateDescription vmstate_i2c_slave;
#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
+#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
+ VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
+
+#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
+ VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
+
#define VMSTATE_BUFFER_V(_f, _s, _v) \
VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))