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target/ppc/spapr_caps: Add macro to generate spapr_caps migration vmstate 

The vmstate description and the contained needed function for migration
of spapr_caps is the same for each cap, with the name of the cap
substituted. As such introduce a macro to allow for easier generation of
these.

Convert the three existing spapr_caps (htm, vsx, and dfp) to use this
macro.

Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
master
Suraj Jitindar Singh 2018-01-19 16:00:00 +11:00 committed by David Gibson
parent 7af1e7b022
commit 1f63ebaa91
1 changed files with 24 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
hw/ppc/spapr_caps.c
View File

@ -228,62 +228,32 @@ int spapr_caps_post_migration(sPAPRMachineState *spapr)
return ok ? 0 : -EINVAL;
}
static bool spapr_cap_htm_needed(void *opaque)
{
sPAPRMachineState *spapr = opaque;
return spapr->cmd_line_caps[SPAPR_CAP_HTM] &&
(spapr->eff.caps[SPAPR_CAP_HTM] != spapr->def.caps[SPAPR_CAP_HTM]);
/* Used to generate the migration field and needed function for a spapr cap */
#define SPAPR_CAP_MIG_STATE(cap, ccap) \
static bool spapr_cap_##cap##_needed(void *opaque) \
{ \
sPAPRMachineState *spapr = opaque; \
\
return spapr->cmd_line_caps[SPAPR_CAP_##ccap] && \
(spapr->eff.caps[SPAPR_CAP_##ccap] != \
spapr->def.caps[SPAPR_CAP_##ccap]); \
} \
\
const VMStateDescription vmstate_spapr_cap_##cap = { \
.name = "spapr/cap/" #cap, \
.version_id = 1, \
.minimum_version_id = 1, \
.needed = spapr_cap_##cap##_needed, \
.fields = (VMStateField[]) { \
VMSTATE_UINT8(mig.caps[SPAPR_CAP_##ccap], \
sPAPRMachineState), \
VMSTATE_END_OF_LIST() \
}, \
}
const VMStateDescription vmstate_spapr_cap_htm = {
.name = "spapr/cap/htm",
.version_id = 1,
.minimum_version_id = 1,
.needed = spapr_cap_htm_needed,
.fields = (VMStateField[]) {
VMSTATE_UINT8(mig.caps[SPAPR_CAP_HTM], sPAPRMachineState),
VMSTATE_END_OF_LIST()
},
};
static bool spapr_cap_vsx_needed(void *opaque)
{
sPAPRMachineState *spapr = opaque;
return spapr->cmd_line_caps[SPAPR_CAP_VSX] &&
(spapr->eff.caps[SPAPR_CAP_VSX] != spapr->def.caps[SPAPR_CAP_VSX]);
}
const VMStateDescription vmstate_spapr_cap_vsx = {
.name = "spapr/cap/vsx",
.version_id = 1,
.minimum_version_id = 1,
.needed = spapr_cap_vsx_needed,
.fields = (VMStateField[]) {
VMSTATE_UINT8(mig.caps[SPAPR_CAP_VSX], sPAPRMachineState),
VMSTATE_END_OF_LIST()
},
};
static bool spapr_cap_dfp_needed(void *opaque)
{
sPAPRMachineState *spapr = opaque;
return spapr->cmd_line_caps[SPAPR_CAP_DFP] &&
(spapr->eff.caps[SPAPR_CAP_DFP] != spapr->def.caps[SPAPR_CAP_DFP]);
}
const VMStateDescription vmstate_spapr_cap_dfp = {
.name = "spapr/cap/dfp",
.version_id = 1,
.minimum_version_id = 1,
.needed = spapr_cap_dfp_needed,
.fields = (VMStateField[]) {
VMSTATE_UINT8(mig.caps[SPAPR_CAP_DFP], sPAPRMachineState),
VMSTATE_END_OF_LIST()
},
};
SPAPR_CAP_MIG_STATE(htm, HTM);
SPAPR_CAP_MIG_STATE(vsx, VSX);
SPAPR_CAP_MIG_STATE(dfp, DFP);
void spapr_caps_reset(sPAPRMachineState *spapr)
{