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ppc/xive: Use the XiveFabric and XivePresenter interfaces

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Now that the machines have handlers implementing the XiveFabric and
XivePresenter interfaces, remove xive_presenter_match() and make use
of the 'match_nvt' handler of the machine.

Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191125065820.927-12-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2019-11-25 07:58:11 +01:00 committed by David Gibson
parent 932de7aef8
commit 5662f29167
1 changed files with 17 additions and 31 deletions
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48
hw/intc/xive.c
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@ -1423,30 +1423,6 @@ int xive_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
return -1;
}
static bool xive_presenter_match(XiveRouter *xrtr, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool cam_ignore, uint8_t priority,
uint32_t logic_serv, XiveTCTXMatch *match)
{
XivePresenter *xptr = XIVE_PRESENTER(xrtr);
XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr);
int count;
count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore,
priority, logic_serv, match);
if (count < 0) {
return false;
}
if (!match->tctx) {
qemu_log_mask(LOG_UNIMP, "XIVE: NVT %x/%x is not dispatched\n",
nvt_blk, nvt_idx);
return false;
}
return true;
}
/*
* This is our simple Xive Presenter Engine model. It is merged in the
* Router as it does not require an extra object.
@ -1462,22 +1438,32 @@ static bool xive_presenter_match(XiveRouter *xrtr, uint8_t format,
*
* The parameters represent what is sent on the PowerBus
*/
static bool xive_presenter_notify(XiveRouter *xrtr, uint8_t format,
static bool xive_presenter_notify(uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool cam_ignore, uint8_t priority,
uint32_t logic_serv)
{
XiveFabric *xfb = XIVE_FABRIC(qdev_get_machine());
XiveFabricClass *xfc = XIVE_FABRIC_GET_CLASS(xfb);
XiveTCTXMatch match = { .tctx = NULL, .ring = 0 };
bool found;
int count;
found = xive_presenter_match(xrtr, format, nvt_blk, nvt_idx, cam_ignore,
priority, logic_serv, &match);
if (found) {
/*
* Ask the machine to scan the interrupt controllers for a match
*/
count = xfc->match_nvt(xfb, format, nvt_blk, nvt_idx, cam_ignore,
priority, logic_serv, &match);
if (count < 0) {
return false;
}
/* handle CPU exception delivery */
if (count) {
ipb_update(&match.tctx->regs[match.ring], priority);
xive_tctx_notify(match.tctx, match.ring);
}
return found;
return !!count;
}
/*
@ -1590,7 +1576,7 @@ static void xive_router_end_notify(XiveRouter *xrtr, uint8_t end_blk,
return;
}
found = xive_presenter_notify(xrtr, format, nvt_blk, nvt_idx,
found = xive_presenter_notify(format, nvt_blk, nvt_idx,
xive_get_field32(END_W7_F0_IGNORE, end.w7),
priority,
xive_get_field32(END_W7_F1_LOG_SERVER_ID, end.w7));