From patchwork Tue Nov 22 02:13:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Herrenschmidt X-Patchwork-Id: 697508 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3tN8Lx5BcTz9t0m for ; Tue, 22 Nov 2016 13:20:09 +1100 (AEDT) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3tN8Lx42CMzDwGQ for ; Tue, 22 Nov 2016 13:20:09 +1100 (AEDT) X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3tN8Jb0gxDzDwGD for ; Tue, 22 Nov 2016 13:18:06 +1100 (AEDT) Received: from pasglop.ozlabs.ibm.com (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.13.8) with ESMTP id uAM2DZdT015261; Mon, 21 Nov 2016 20:14:29 -0600 From: Benjamin Herrenschmidt To: skiboot@lists.ozlabs.org Date: Tue, 22 Nov 2016 13:13:21 +1100 Message-Id: <1479780814-6162-19-git-send-email-benh@kernel.crashing.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1479780814-6162-1-git-send-email-benh@kernel.crashing.org> References: <1479780814-6162-1-git-send-email-benh@kernel.crashing.org> Subject: [Skiboot] [PATCH 19/32] xive: Mark XIVE owned EQs with a specific flag X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" This will allow us to recognize them later when doing a reset and avoid freeing them Signed-off-by: Benjamin Herrenschmidt --- hw/xive.c | 3 ++- include/xive.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/xive.c b/hw/xive.c index 8db1ed5..ad01b52 100644 --- 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 index f4e2696..7db7ee0 100644 --- 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)