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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 7 Oct 2019 09:41:14 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x978fEK257606146 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 7 Oct 2019 08:41:14 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E3EDA11C05E; Mon, 7 Oct 2019 08:41:13 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CE7FE11C05C; Mon, 7 Oct 2019 08:41:13 +0000 (GMT) Received: from smtp.tls.ibm.com (unknown [9.101.4.1]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 7 Oct 2019 08:41:13 +0000 (GMT) Received: from yukon.kaod.org.com (sig-9-145-169-184.de.ibm.com [9.145.169.184]) by smtp.tls.ibm.com (Postfix) with ESMTP id 0D21622006B; Mon, 7 Oct 2019 10:41:12 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Subject: [PATCH 6/9] ppc/pnv: Dump the XIVE NVT table Date: Mon, 7 Oct 2019 10:40:59 +0200 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191007084102.29776-1-clg@kaod.org> References: <20191007084102.29776-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-TM-AS-GCONF: 00 x-cbid: 19100708-4275-0000-0000-0000036EC40F X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19100708-4276-0000-0000-00003881D12F Message-Id: <20191007084102.29776-7-clg@kaod.org> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-07_01:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1034 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=842 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910070090 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-001b2d01.pphosted.com id x978bPap129422 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Greg Kurz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is useful to dump the contexts of the KVM vCPUs : configuration of the base END index of the vCPU and the Interrupt Pending Buffer, which is updated when an interrupt can not be presented. When dumping the NVT table, we skip empty indirect pages which are not necessarily allocated. Signed-off-by: C=C3=A9dric Le Goater --- include/hw/ppc/xive_regs.h | 2 ++ hw/intc/pnv_xive.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) diff --git a/include/hw/ppc/xive_regs.h b/include/hw/ppc/xive_regs.h index 1a5622f8ded8..94338b4b551e 100644 --- a/include/hw/ppc/xive_regs.h +++ b/include/hw/ppc/xive_regs.h @@ -252,6 +252,8 @@ typedef struct XiveNVT { uint32_t w0; #define NVT_W0_VALID PPC_BIT32(0) uint32_t w1; +#define NVT_W1_EQ_BLOCK PPC_BITMASK32(0, 3) +#define NVT_W1_EQ_INDEX PPC_BITMASK32(4, 31) uint32_t w2; uint32_t w3; uint32_t w4; diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c index 0b142fd9f112..9f7e0e1662d6 100644 --- a/hw/intc/pnv_xive.c +++ b/hw/intc/pnv_xive.c @@ -1554,6 +1554,27 @@ static const MemoryRegionOps pnv_xive_pc_ops =3D { }, }; =20 +/* + * skiboot uses an indirect NVT table with 64k subpages + */ +#define XIVE_NVT_COUNT (1 << XIVE_NVT_SHIFT) +#define XIVE_NVT_PER_PAGE (0x10000 / sizeof(XiveNVT)) + +static void xive_nvt_pic_print_info(XiveNVT *nvt, uint32_t nvt_idx, + Monitor *mon) +{ + uint8_t eq_blk =3D xive_get_field32(NVT_W1_EQ_BLOCK, nvt->w1); + uint32_t eq_idx =3D xive_get_field32(NVT_W1_EQ_INDEX, nvt->w1); + + if (!xive_nvt_is_valid(nvt)) { + return; + } + + monitor_printf(mon, " %08x end:%02x/%04x IPB:%02x\n", nvt_idx, + eq_blk, eq_idx, + xive_get_field32(NVT_W4_IPB, nvt->w4)); +} + void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon) { XiveRouter *xrtr =3D XIVE_ROUTER(xive); @@ -1562,6 +1583,7 @@ void pnv_xive_pic_print_info(PnvXive *xive, Monitor= *mon) uint32_t nr_ipis =3D pnv_xive_nr_ipis(xive, blk); XiveEAS eas; XiveEND end; + XiveNVT nvt; int i; =20 monitor_printf(mon, "XIVE[%x] Source %08x .. %08x\n", blk, srcno0, @@ -1590,6 +1612,14 @@ void pnv_xive_pic_print_info(PnvXive *xive, Monito= r *mon) while (!xive_router_get_end(xrtr, blk, i, &end)) { xive_end_eas_pic_print_info(&end, i++, mon); } + + monitor_printf(mon, "XIVE[%x] NVTT %08x .. %08x\n", blk, 0, + XIVE_NVT_COUNT - 1); + for (i =3D 0; i < XIVE_NVT_COUNT; i +=3D XIVE_NVT_PER_PAGE) { + while (!xive_router_get_nvt(xrtr, blk, i, &nvt)) { + xive_nvt_pic_print_info(&nvt, i++, mon); + } + } } =20 static void pnv_xive_reset(void *dev) --=20 2.21.0