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pnv/xive2: Add a get_config() method on the presenter class

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The presenters for xive on P9 and P10 are mostly similar but the
behavior can be tuned through a few CQ registers. This patch adds a
"get_config" method, which will allow to access that config from the
presenter in a later patch.
For now, just define the config for the TIMA version.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Frederic Barrat 2023-06-22 18:25:26 +02:00 • committed by Cédric Le Goater
parent 242e8b4dca
commit 2a24e6e394
5 changed files with 49 additions and 0 deletions
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12
hw/intc/pnv_xive2.c
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@ -501,6 +501,17 @@ static int pnv_xive2_match_nvt(XivePresenter *xptr, uint8_t format,
return count;
}
static uint32_t pnv_xive2_presenter_get_config(XivePresenter *xptr)
{
PnvXive2 *xive = PNV_XIVE2(xptr);
uint32_t cfg = 0;
if (xive->cq_regs[CQ_XIVE_CFG >> 3] & CQ_XIVE_CFG_GEN1_TIMA_OS) {
cfg |= XIVE_PRESENTER_GEN1_TIMA_OS;
}
return cfg;
}
static uint8_t pnv_xive2_get_block_id(Xive2Router *xrtr)
{
return pnv_xive2_block_id(PNV_XIVE2(xrtr));
@ -1987,6 +1998,7 @@ static void pnv_xive2_class_init(ObjectClass *klass, void *data)
xnc->notify = pnv_xive2_notify;
xpc->match_nvt = pnv_xive2_match_nvt;
xpc->get_config = pnv_xive2_presenter_get_config;
};
static const TypeInfo pnv_xive2_info = {