From nobody Mon Feb 9 11:32:31 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 149120601248283.34932278840881; Mon, 3 Apr 2017 00:53:32 -0700 (PDT) Received: from localhost ([::1]:57963 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cuwnq-0007CV-Cq for importer@patchew.org; Mon, 03 Apr 2017 03:53:30 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39967) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cuwhT-0002DY-R5 for qemu-devel@nongnu.org; Mon, 03 Apr 2017 03:47:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cuwhP-0000Ab-Pm for qemu-devel@nongnu.org; Mon, 03 Apr 2017 03:46:55 -0400 Received: from 8.mo2.mail-out.ovh.net ([188.165.52.147]:45472) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cuwhP-0000AE-KR for qemu-devel@nongnu.org; Mon, 03 Apr 2017 03:46:51 -0400 Received: from player796.ha.ovh.net (b7.ovh.net [213.186.33.57]) by mo2.mail-out.ovh.net (Postfix) with ESMTP id 8F37F7B125 for ; Mon, 3 Apr 2017 09:46:50 +0200 (CEST) Received: from zorba.kaod.org.com (LFbn-1-10647-27.w90-89.abo.wanadoo.fr [90.89.233.27]) (Authenticated sender: clg@kaod.org) by player796.ha.ovh.net (Postfix) with ESMTPSA id 707025C00A3; Mon, 3 Apr 2017 09:46:46 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Date: Mon, 3 Apr 2017 09:46:04 +0200 Message-Id: <1491205565-12831-9-git-send-email-clg@kaod.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491205565-12831-1-git-send-email-clg@kaod.org> References: <1491205565-12831-1-git-send-email-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 18296436438034648038 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeelhedrleejgdejhecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 188.165.52.147 Subject: [Qemu-devel] [PATCH v5 8/9] ppc/pnv: add a helper to calculate MMIO addresses registers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Some controllers (ICP, PSI) have a base register address which is calculated using the chip id. Signed-off-by: C=C3=A9dric Le Goater Reviewed-by: David Gibson --- include/hw/ppc/pnv.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h index df98a72006e4..5693ba181d24 100644 --- a/include/hw/ppc/pnv.h +++ b/include/hw/ppc/pnv.h @@ -91,14 +91,24 @@ typedef struct PnvChipClass { OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9) =20 /* - * This generates a HW chip id depending on an index: + * This generates a HW chip id depending on an index, as found on a + * two socket system with dual chip modules : * * 0x0, 0x1, 0x10, 0x11 * * 4 chips should be the maximum + * + * TODO: use a machine property to define the chip ids */ #define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1)) =20 +/* + * Converts back a HW chip id to an index. This is useful to calculate + * the MMIO addresses of some controllers which depend on the chip id. + */ +#define PNV_CHIP_INDEX(chip) \ + (((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3)) + #define TYPE_POWERNV_MACHINE MACHINE_TYPE_NAME("powernv") #define POWERNV_MACHINE(obj) \ OBJECT_CHECK(PnvMachineState, (obj), TYPE_POWERNV_MACHINE) --=20 2.7.4