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hw/intc/arm_gicv3_redist: Implement gicv3_redist_mov_vlpi()

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Implement the gicv3_redist_mov_vlpi() function (previously left as a
stub).  This function handles the work of a VMOVI command: it marks
the vLPI not-pending on the source and pending on the destination.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-35-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2022-04-08 15:15:43 +01:00
parent ab6ef25179
commit c6f797d519
1 changed files with 18 additions and 2 deletions
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20
hw/intc/arm_gicv3_redist.c
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@ -1067,9 +1067,25 @@ void gicv3_redist_mov_vlpi(GICv3CPUState *src, uint64_t src_vptaddr,
int irq, int doorbell) int irq, int doorbell)
{ {
/* /*
* The redistributor handling for moving a VLPI will be added * Move the specified vLPI's pending state from the source redistributor
* in a subsequent commit. * to the destination.
*/ */
if (!set_pending_table_bit(src, src_vptaddr, irq, 0)) {
/* Not pending on source, nothing to do */
return;
}
if (vcpu_resident(src, src_vptaddr) && irq == src->hppvlpi.irq) {
/*
* Update src's cached highest-priority pending vLPI if we just made
* it not-pending
*/
gicv3_redist_update_vlpi(src);
}
/*
* Mark the vLPI pending on the destination (ringing the doorbell
* if the vCPU isn't resident)
*/
gicv3_redist_process_vlpi(dest, irq, dest_vptaddr, doorbell, irq);
} }
void gicv3_redist_vinvall(GICv3CPUState *cs, uint64_t vptaddr) void gicv3_redist_vinvall(GICv3CPUState *cs, uint64_t vptaddr)