提交 9e7dc5fc 编写于 作者: C Cédric Le Goater 提交者: David Gibson

spapr: introduce a spapr_irq_set_lsi() helper

It will make synchronisation easier with the XIVE interrupt mode when
available. The 'irq' parameter refers to the global IRQ number space.
Signed-off-by: NCédric Le Goater <clg@kaod.org>
Reviewed-by: NDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
上级 60c6823b
......@@ -3582,6 +3582,14 @@ static int ics_find_free_block(ICSState *ics, int num, int alignnum)
return -1;
}
/*
* Allocate the IRQ number and set the IRQ type, LSI or MSI
*/
static void spapr_irq_set_lsi(sPAPRMachineState *spapr, int irq, bool lsi)
{
ics_set_irq_type(spapr->ics, irq - spapr->ics->offset, lsi);
}
int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi,
Error **errp)
{
......@@ -3606,7 +3614,7 @@ int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi,
irq += ics->offset;
}
ics_set_irq_type(ics, irq - ics->offset, lsi);
spapr_irq_set_lsi(spapr, irq, lsi);
trace_spapr_irq_alloc(irq);
return irq;
......@@ -3645,10 +3653,10 @@ int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi,
return -1;
}
first += ics->offset;
for (i = first; i < first + num; ++i) {
ics_set_irq_type(ics, i, lsi);
spapr_irq_set_lsi(spapr, i, lsi);
}
first += ics->offset;
trace_spapr_irq_alloc_block(first, num, lsi, align);
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册