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[PATCH 34/41] hw/intc/arm_gicv3_redist: Implement gicv3_redist_mov_vlpi(
From: |
Peter Maydell |
Subject: |
[PATCH 34/41] hw/intc/arm_gicv3_redist: Implement gicv3_redist_mov_vlpi() |
Date: |
Fri, 8 Apr 2022 15:15:43 +0100 |
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>
---
hw/intc/arm_gicv3_redist.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/hw/intc/arm_gicv3_redist.c b/hw/intc/arm_gicv3_redist.c
index 3127af3e2ca..9866dd94c60 100644
--- a/hw/intc/arm_gicv3_redist.c
+++ b/hw/intc/arm_gicv3_redist.c
@@ -1067,9 +1067,25 @@ void gicv3_redist_mov_vlpi(GICv3CPUState *src, uint64_t
src_vptaddr,
int irq, int doorbell)
{
/*
- * The redistributor handling for moving a VLPI will be added
- * in a subsequent commit.
+ * Move the specified vLPI's pending state from the source redistributor
+ * 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)
--
2.25.1
- Re: [PATCH 22/41] hw/intc/arm_gicv3: Implement GICv4's new redistributor frame, (continued)
- [PATCH 24/41] hw/intc/arm_gicv3_cpuif: Split "update vIRQ/vFIQ" from gicv3_cpuif_virt_update(), Peter Maydell, 2022/04/08
- [PATCH 27/41] hw/intc/arm_gicv3_redist: Factor out "update hpplpi for one LPI" logic, Peter Maydell, 2022/04/08
- [PATCH 29/41] hw/intc/arm_gicv3_redist: Recalculate hppvlpi on VPENDBASER writes, Peter Maydell, 2022/04/08
- [PATCH 31/41] hw/intc/arm_gicv3_redist: Implement gicv3_redist_process_vlpi(), Peter Maydell, 2022/04/08
- [PATCH 34/41] hw/intc/arm_gicv3_redist: Implement gicv3_redist_mov_vlpi(),
Peter Maydell <=
- [PATCH 35/41] hw/intc/arm_gicv3_redist: Implement gicv3_redist_vinvall(), Peter Maydell, 2022/04/08
- [PATCH 38/41] hw/intc/arm_gicv3: Allow 'revision' property to be set to 4, Peter Maydell, 2022/04/08
- [PATCH 41/41] hw/arm/virt: Support TCG GICv4, Peter Maydell, 2022/04/08
- [PATCH 36/41] hw/intc/arm_gicv3_redist: Implement gicv3_redist_inv_vlpi(), Peter Maydell, 2022/04/08
- [PATCH 37/41] hw/intc/arm_gicv3: Update ID and feature registers for GICv4, Peter Maydell, 2022/04/08