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From 1f48270b951f370528fc7f9e6e76b25ed422ac77 Mon Sep 17 00:00:00 2001
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From: Suraj Jitindar Singh <sursingh@redhat.com>
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Date: Tue, 13 Feb 2018 04:12:22 +0100
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Subject: [PATCH 05/15] target/ppc/spapr_caps: Add macro to generate spapr_caps
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migration vmstate
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RH-Author: Suraj Jitindar Singh <sursingh@redhat.com>
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Message-id: <1518495150-24134-2-git-send-email-sursingh@redhat.com>
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Patchwork-id: 78983
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O-Subject: [RHEL7.5 qemu-kvm-rhev PATCH 1/9] target/ppc/spapr_caps: Add macro to generate spapr_caps migration vmstate
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Bugzilla: 1532050
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RH-Acked-by: David Gibson <dgibson@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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From: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
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The vmstate description and the contained needed function for migration
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of spapr_caps is the same for each cap, with the name of the cap
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substituted. As such introduce a macro to allow for easier generation of
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these.
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Convert the three existing spapr_caps (htm, vsx, and dfp) to use this
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macro.
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Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
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Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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(cherry picked from commit 1f63ebaa91f73f469c8f107dbd266cabdbea3a40)
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Conflicts: None
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1532050
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Signed-off-by: Suraj Jitindar Singh <sursingh@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/ppc/spapr_caps.c | 78 +++++++++++++++++------------------------------------
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1 file changed, 24 insertions(+), 54 deletions(-)
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diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
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index d5c9ce7..5d52969 100644
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--- a/hw/ppc/spapr_caps.c
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+++ b/hw/ppc/spapr_caps.c
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@@ -228,62 +228,32 @@ int spapr_caps_post_migration(sPAPRMachineState *spapr)
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return ok ? 0 : -EINVAL;
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}
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-static bool spapr_cap_htm_needed(void *opaque)
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-{
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- sPAPRMachineState *spapr = opaque;
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-
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- return spapr->cmd_line_caps[SPAPR_CAP_HTM] &&
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- (spapr->eff.caps[SPAPR_CAP_HTM] != spapr->def.caps[SPAPR_CAP_HTM]);
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-}
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-
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-const VMStateDescription vmstate_spapr_cap_htm = {
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- .name = "spapr/cap/htm",
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- .version_id = 1,
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- .minimum_version_id = 1,
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- .needed = spapr_cap_htm_needed,
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- .fields = (VMStateField[]) {
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- VMSTATE_UINT8(mig.caps[SPAPR_CAP_HTM], sPAPRMachineState),
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- VMSTATE_END_OF_LIST()
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- },
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-};
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-
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-static bool spapr_cap_vsx_needed(void *opaque)
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-{
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- sPAPRMachineState *spapr = opaque;
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-
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- return spapr->cmd_line_caps[SPAPR_CAP_VSX] &&
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- (spapr->eff.caps[SPAPR_CAP_VSX] != spapr->def.caps[SPAPR_CAP_VSX]);
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+/* Used to generate the migration field and needed function for a spapr cap */
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+#define SPAPR_CAP_MIG_STATE(cap, ccap) \
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+static bool spapr_cap_##cap##_needed(void *opaque) \
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+{ \
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+ sPAPRMachineState *spapr = opaque; \
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+ \
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+ return spapr->cmd_line_caps[SPAPR_CAP_##ccap] && \
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+ (spapr->eff.caps[SPAPR_CAP_##ccap] != \
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+ spapr->def.caps[SPAPR_CAP_##ccap]); \
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+} \
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+ \
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+const VMStateDescription vmstate_spapr_cap_##cap = { \
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+ .name = "spapr/cap/" #cap, \
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+ .version_id = 1, \
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+ .minimum_version_id = 1, \
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+ .needed = spapr_cap_##cap##_needed, \
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+ .fields = (VMStateField[]) { \
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+ VMSTATE_UINT8(mig.caps[SPAPR_CAP_##ccap], \
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+ sPAPRMachineState), \
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+ VMSTATE_END_OF_LIST() \
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+ }, \
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}
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-const VMStateDescription vmstate_spapr_cap_vsx = {
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- .name = "spapr/cap/vsx",
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- .version_id = 1,
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- .minimum_version_id = 1,
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- .needed = spapr_cap_vsx_needed,
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- .fields = (VMStateField[]) {
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- VMSTATE_UINT8(mig.caps[SPAPR_CAP_VSX], sPAPRMachineState),
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- VMSTATE_END_OF_LIST()
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- },
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-};
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-
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-static bool spapr_cap_dfp_needed(void *opaque)
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-{
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- sPAPRMachineState *spapr = opaque;
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-
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- return spapr->cmd_line_caps[SPAPR_CAP_DFP] &&
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- (spapr->eff.caps[SPAPR_CAP_DFP] != spapr->def.caps[SPAPR_CAP_DFP]);
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-}
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-
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-const VMStateDescription vmstate_spapr_cap_dfp = {
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- .name = "spapr/cap/dfp",
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- .version_id = 1,
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- .minimum_version_id = 1,
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- .needed = spapr_cap_dfp_needed,
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- .fields = (VMStateField[]) {
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- VMSTATE_UINT8(mig.caps[SPAPR_CAP_DFP], sPAPRMachineState),
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- VMSTATE_END_OF_LIST()
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- },
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-};
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+SPAPR_CAP_MIG_STATE(htm, HTM);
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+SPAPR_CAP_MIG_STATE(vsx, VSX);
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+SPAPR_CAP_MIG_STATE(dfp, DFP);
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void spapr_caps_reset(sPAPRMachineState *spapr)
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{
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--
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1.8.3.1
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