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Wed, 31 Mar 2021 14:45:21 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with SMTP; Wed, 31 Mar 2021 14:45:21 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.70.101]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 7BC3F220059; Wed, 31 Mar 2021 16:45:20 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v3 6/9] powerpc/xive: Simplify the dump of XIVE interrupts under xmon Date: Wed, 31 Mar 2021 16:45:11 +0200 Message-Id: <20210331144514.892250-7-clg@kaod.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210331144514.892250-1-clg@kaod.org> References: <20210331144514.892250-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Zvw77gGi5_qVnJSksuFb6yRD7pPMKcsl X-Proofpoint-GUID: Zvw77gGi5_qVnJSksuFb6yRD7pPMKcsl X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-31_03:2021-03-31, 2021-03-31 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1034 malwarescore=0 mlxlogscore=842 impostorscore=0 mlxscore=0 bulkscore=0 adultscore=0 phishscore=0 spamscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2103300000 definitions=main-2103310105 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Greg Kurz , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Move the xmon routine under XIVE subsystem and rework the loop on the interrupts taking into account the xive_irq_domain to filter out IPIs. Reviewed-by: Greg Kurz Signed-off-by: C=C3=A9dric Le Goater --- arch/powerpc/include/asm/xive.h | 1 + arch/powerpc/sysdev/xive/common.c | 14 ++++++++++++++ arch/powerpc/xmon/xmon.c | 28 ++-------------------------- 3 files changed, 17 insertions(+), 26 deletions(-) diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/x= ive.h index 9a312b975ca8..aa094a8655b0 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -102,6 +102,7 @@ void xive_flush_interrupt(void); /* xmon hook */ void xmon_xive_do_dump(int cpu); int xmon_xive_get_irq_config(u32 hw_irq, struct irq_data *d); +void xmon_xive_get_irq_all(void); =20 /* APIs used by KVM */ u32 xive_native_default_eq_shift(void); diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive= /common.c index f5fe60c194bc..4c6e2e1289f5 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -289,6 +289,20 @@ int xmon_xive_get_irq_config(u32 hw_irq, struct irq_= data *d) return 0; } =20 +void xmon_xive_get_irq_all(void) +{ + unsigned int i; + struct irq_desc *desc; + + for_each_irq_desc(i, desc) { + struct irq_data *d =3D irq_desc_get_irq_data(desc); + unsigned int hwirq =3D (unsigned int)irqd_to_hwirq(d); + + if (d->domain =3D=3D xive_irq_domain) + xmon_xive_get_irq_config(hwirq, d); + } +} + #endif /* CONFIG_XMON */ =20 static unsigned int xive_get_irq(void) diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 3fe37495f63d..80fbf8968f77 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -2727,30 +2727,6 @@ static void dump_all_xives(void) dump_one_xive(cpu); } =20 -static void dump_one_xive_irq(u32 num, struct irq_data *d) -{ - xmon_xive_get_irq_config(num, d); -} - -static void dump_all_xive_irq(void) -{ - unsigned int i; - struct irq_desc *desc; - - for_each_irq_desc(i, desc) { - struct irq_data *d =3D irq_desc_get_irq_data(desc); - unsigned int hwirq; - - if (!d) - continue; - - hwirq =3D (unsigned int)irqd_to_hwirq(d); - /* IPIs are special (HW number 0) */ - if (hwirq) - dump_one_xive_irq(hwirq, d); - } -} - static void dump_xives(void) { unsigned long num; @@ -2767,9 +2743,9 @@ static void dump_xives(void) return; } else if (c =3D=3D 'i') { if (scanhex(&num)) - dump_one_xive_irq(num, NULL); + xmon_xive_get_irq_config(num, NULL); else - dump_all_xive_irq(); + xmon_xive_get_irq_all(); return; } =20 --=20 2.26.3