Message ID | 20210208182331.58897-43-pbonzini@redhat.com |
---|---|
State | New |
Headers | show
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Mon, 08 Feb 2021 10:24:12 -0800 (PST) From: Paolo Bonzini <pbonzini@redhat.com> To: qemu-devel@nongnu.org Subject: [PULL 42/46] spapr_pci: add spapr msi read method Date: Mon, 8 Feb 2021 19:23:27 +0100 Message-Id: <20210208182331.58897-43-pbonzini@redhat.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210208182331.58897-1-pbonzini@redhat.com> References: <20210208182331.58897-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=paolo.bonzini@gmail.com; helo=mail-wm1-x32e.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Lei Sun <slei.casper@gmail.com>, Li Qiang <liq3ea@gmail.com>, Prasad J Pandit <pjp@fedoraproject.org>, David Gibson <david@gibson.dropbear.id.au> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
[PULL,01/46] fuzz: ignore address_space_map is_write flag
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expand
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diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 76d7c91e9c..b89f810034 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -53,6 +53,7 @@ #include "sysemu/hostmem.h" #include "sysemu/numa.h" #include "hw/ppc/spapr_numa.h" +#include "qemu/log.h" /* Copied from the kernel arch/powerpc/platforms/pseries/msi.c */ #define RTAS_QUERY_FN 0 @@ -739,6 +740,12 @@ static PCIINTxRoute spapr_route_intx_pin_to_irq(void *opaque, int pin) return route; } +static uint64_t spapr_msi_read(void *opaque, hwaddr addr, unsigned size) +{ + qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid access\n", __func__); + return 0; +} + /* * MSI/MSIX memory region implementation. * The handler handles both MSI and MSIX. @@ -756,8 +763,11 @@ static void spapr_msi_write(void *opaque, hwaddr addr, } static const MemoryRegionOps spapr_msi_ops = { - /* There is no .read as the read result is undefined by PCI spec */ - .read = NULL, + /* + * .read result is undefined by PCI spec. + * define .read method to avoid assert failure in memory_region_init_io + */ + .read = spapr_msi_read, .write = spapr_msi_write, .endianness = DEVICE_LITTLE_ENDIAN };