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[159.2.239.150]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-91ca317a421sm870346d6.44.2026.10.29.10.00.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2026 10:00:45 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1xMTUa-0000000G37w-2g1i; Thu, 29 Oct 2026 14:00:44 -0300 Date: Thu, 29 Oct 2026 14:00:44 -0300 From: Jason Gunthorpe To: Jose Ignacio Tornos Martinez Cc: alex@shazbot.org, pbonzini@redhat.com, seanjc@google.com, bhelgaas@google.com, jjohnson@kernel.org, johannes@sipsolutions.net, mani@kernel.org, lpieralisi@kernel.org, kwilczynski@kernel.org, robh@kernel.org, vkuznets@redhat.com, kevin.tian@intel.com, linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, ath12k@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 5/8] ath11k: use KVM MSI domain for VM passthrough Message-ID: <20261029170044.GR1685504@ziepe.ca> References: <20261029163713.1366077-1-jtornosm@redhat.com> <20261029163713.1366077-6-jtornosm@redhat.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261029163713.1366077-6-jtornosm@redhat.com> On Thu, Oct 29, 2026 at 05:37:10PM +0100, Jose Ignacio Tornos Martinez wrote: > @@ -855,6 +858,13 @@ static int ath11k_pci_power_up(struct ath11k_base *ab) > > ath11k_pci_msi_enable(ab_pci); > > +#if IS_ENABLED(CONFIG_PCI_KVM_MSI_DOMAIN) > + if (kvm_pci_msi_wait_ready(ab_pci->pdev, 500) > 0) > + kvm_pci_msi_get_address(ab_pci->pdev, &ab->pci.msi.addr_lo, > + &ab->pci.msi.addr_hi, > + &ab->pci.msi.ep_base_data); > +#endif This connection should be done through ACPI somehow, and I think Thomas would expect this to be modeled on the platform msi domain, just ported to PCI instead of this. Jason