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Fri, 30 Apr 2021 08:04:19 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with SMTP; Fri, 30 Apr 2021 08:04:19 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.40.192]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 20BF7220193; Fri, 30 Apr 2021 10:04:19 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 15/31] KVM: PPC: Book3S HV: XIVE: Fix mapping of passthrough interrupts Date: Fri, 30 Apr 2021 10:03:51 +0200 Message-Id: <20210430080407.4030767-16-clg@kaod.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210430080407.4030767-1-clg@kaod.org> References: <20210430080407.4030767-1-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-GUID: 5OwiyfrCFyu080MC75KCxXaCZI0XaEaZ X-Proofpoint-ORIG-GUID: 5OwiyfrCFyu080MC75KCxXaCZI0XaEaZ X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-30_05:2021-04-28, 2021-04-30 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 phishscore=0 clxscore=1034 spamscore=0 priorityscore=1501 adultscore=0 bulkscore=0 mlxlogscore=720 lowpriorityscore=0 malwarescore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104300056 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: Thomas Gleixner , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" PCI MSI interrupt numbers are now mapped in a PCI-MSI domain but the underlying calls handling the passthrough of the interrupt in the guest need a number in the XIVE IRQ domain. Use the IRQ data mapped in the XIVE IRQ domain and not the one in the PCI-MSI domain. Exporting irq_get_default_host() might not be the best solution. Cc: Thomas Gleixner Cc: Paul Mackerras Signed-off-by: C=C3=A9dric Le Goater --- arch/powerpc/kvm/book3s_xive.c | 3 ++- kernel/irq/irqdomain.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xiv= e.c index 3a7da42bed57..81b9f4fc3978 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -861,7 +861,8 @@ int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned = long guest_irq, struct kvmppc_xive *xive =3D kvm->arch.xive; struct kvmppc_xive_src_block *sb; struct kvmppc_xive_irq_state *state; - struct irq_data *host_data =3D irq_get_irq_data(host_irq); + struct irq_data *host_data =3D + irq_domain_get_irq_data(irq_get_default_host(), host_irq); unsigned int hw_irq =3D (unsigned int)irqd_to_hwirq(host_data); u16 idx; u8 prio; diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index d10ab1d689d5..8a073d1ce611 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -481,6 +481,7 @@ struct irq_domain *irq_get_default_host(void) { return irq_default_domain; } +EXPORT_SYMBOL_GPL(irq_get_default_host); =20 static void irq_domain_clear_mapping(struct irq_domain *domain, irq_hw_number_t hwirq) --=20 2.26.3