xive: Mark XIVE owned EQs with a specific flag

This will allow us to recognize them later when doing a reset and avoid freeing them Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
open-power · Jan 5, 2017 · dc6b898 · dc6b898
1 parent 2026df3
commit dc6b898
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/hw/xive.c b/hw/xive.c
@@ -632,7 +632,8 @@ static void xive_init_eq(uint32_t vp_blk, uint32_t vp_idx,
 	eq->w7 = SETFIELD(EQ_W7_F0_PRIORITY, 0ul, prio);
 	eieio();
 	eq->w0 = EQ_W0_VALID | EQ_W0_ENQUEUE |
-		SETFIELD(EQ_W0_QSIZE, 0ul, EQ_QSIZE_64K);
+		SETFIELD(EQ_W0_QSIZE, 0ul, EQ_QSIZE_64K) |
+		EQ_W0_FIRMWARE;
 #ifdef EQ_ALWAYS_NOTIFY
 	eq->w0 |= EQ_W0_UCOND_NOTIFY;
 #endif

diff --git a/include/xive.h b/include/xive.h
@@ -355,6 +355,8 @@ struct xive_eq {
 #define EQ_W0_ESCALATE_CTL	PPC_BIT32(5)
 #define EQ_W0_END_OF_INTR	PPC_BIT32(6)
 #define EQ_W0_QSIZE		PPC_BITMASK32(12,15)
+#define EQ_W0_SW0		PPC_BIT32(16)
+#define EQ_W0_FIRMWARE		EQ_W0_SW0 /* Owned by FW */
 #define EQ_QSIZE_4K		0
 #define EQ_QSIZE_64K		4
 #define EQ_W0_HWDEP		PPC_BITMASK32(24,31)