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[PATCH v4 09/18] ppc/xive2: Add support for notification injection on ES
From: |
Cédric Le Goater |
Subject: |
[PATCH v4 09/18] ppc/xive2: Add support for notification injection on ESB pages |
Date: |
Mon, 28 Feb 2022 16:52:13 +0100 |
This is an internal offset used to inject triggers when the PQ state
bits are not controlled locally. Such as for LSIs when the PHB5 are
using the Address-Based Interrupt Trigger mode and on the END.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
include/hw/ppc/xive.h | 1 +
hw/intc/xive.c | 9 +++++++++
hw/intc/xive2.c | 10 ++++++++++
3 files changed, 20 insertions(+)
diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index b8ab0bf7490f..875c7f639689 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -278,6 +278,7 @@ uint8_t xive_esb_set(uint8_t *pq, uint8_t value);
#define XIVE_ESB_STORE_EOI 0x400 /* Store */
#define XIVE_ESB_LOAD_EOI 0x000 /* Load */
#define XIVE_ESB_GET 0x800 /* Load */
+#define XIVE_ESB_INJECT 0x800 /* Store */
#define XIVE_ESB_SET_PQ_00 0xc00 /* Load */
#define XIVE_ESB_SET_PQ_01 0xd00 /* Load */
#define XIVE_ESB_SET_PQ_10 0xe00 /* Load */
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index f15f98588a71..0d98b9539cd9 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -1061,6 +1061,15 @@ static void xive_source_esb_write(void *opaque, hwaddr
addr,
notify = xive_source_esb_eoi(xsrc, srcno);
break;
+ /*
+ * This is an internal offset used to inject triggers when the PQ
+ * state bits are not controlled locally. Such as for LSIs when
+ * under ABT mode.
+ */
+ case XIVE_ESB_INJECT ... XIVE_ESB_INJECT + 0x3FF:
+ notify = true;
+ break;
+
case XIVE_ESB_SET_PQ_00 ... XIVE_ESB_SET_PQ_00 + 0x0FF:
case XIVE_ESB_SET_PQ_01 ... XIVE_ESB_SET_PQ_01 + 0x0FF:
case XIVE_ESB_SET_PQ_10 ... XIVE_ESB_SET_PQ_10 + 0x0FF:
diff --git a/hw/intc/xive2.c b/hw/intc/xive2.c
index 8f278f3bf680..2836bbdc83fc 100644
--- a/hw/intc/xive2.c
+++ b/hw/intc/xive2.c
@@ -659,6 +659,16 @@ static void xive2_end_source_write(void *opaque, hwaddr
addr,
notify = xive_esb_eoi(&pq);
break;
+ case XIVE_ESB_INJECT ... XIVE_ESB_INJECT + 0x3FF:
+ if (end_esmask == END2_W1_ESe) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "XIVE: END %x/%x can not EQ inject on ESe\n",
+ end_blk, end_idx);
+ return;
+ }
+ notify = true;
+ break;
+
default:
qemu_log_mask(LOG_GUEST_ERROR, "XIVE: invalid END ESB write addr %d\n",
offset);
--
2.34.1
- [PATCH v4 00/18] ppc/pnv: Extend the powernv10 machin, Cédric Le Goater, 2022/02/28
- [PATCH v4 09/18] ppc/xive2: Add support for notification injection on ESB pages,
Cédric Le Goater <=
- [PATCH v4 05/18] ppc/pnv: Add POWER10 quads, Cédric Le Goater, 2022/02/28
- [PATCH v4 10/18] ppc/xive: Add support for PQ state bits offload, Cédric Le Goater, 2022/02/28
- [PATCH v4 04/18] ppc/pnv: Add a OCC model for POWER10, Cédric Le Goater, 2022/02/28
- [PATCH v4 02/18] ppc/xive2: Introduce a presenter matching routine, Cédric Le Goater, 2022/02/28
- [PATCH v4 06/18] ppc/pnv: Add model for POWER10 PHB5 PCIe Host bridge, Cédric Le Goater, 2022/02/28
- [PATCH v4 03/18] ppc/pnv: Add a XIVE2 controller to the POWER10 chip, Cédric Le Goater, 2022/02/28
- [PATCH v4 01/18] ppc/xive2: Introduce a XIVE2 core framework, Cédric Le Goater, 2022/02/28
- [PATCH v4 17/18] pnv/xive2: Add support for automatic save&restore, Cédric Le Goater, 2022/02/28
- [PATCH v4 13/18] pnv/xive2: Introduce new capability bits, Cédric Le Goater, 2022/02/28