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X-Received-From: 2607:f8b0:400e:c05::244 Subject: [Qemu-devel] [PATCH v5 09/14] pci: Use pci_config_size in pci_data_* accessors X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , "Michael S . Tsirkin" , Andrey Smirnov , Jason Wang , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, yurovsky@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Use pci_config_size (as opposed to PCI_CONFIG_SPACE_SIZE) in pci_data_read() and pci_data_write(), so this function would work for both classic PCI and PCIe use-cases. Cc: Peter Maydell Cc: Jason Wang Cc: Philippe Mathieu-Daud=C3=A9 Cc: Marcel Apfelbaum Cc: Michael S. Tsirkin Cc: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Cc: yurovsky@gmail.com Signed-off-by: Andrey Smirnov Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/pci/pci_host.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c index 5eaa935cb5..ea52ea07cd 100644 --- a/hw/pci/pci_host.c +++ b/hw/pci/pci_host.c @@ -89,30 +89,35 @@ uint32_t pci_host_config_read_common(PCIDevice *pci_dev= , uint32_t addr, void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len) { PCIDevice *pci_dev =3D pci_dev_find_by_addr(s, addr); - uint32_t config_addr =3D addr & (PCI_CONFIG_SPACE_SIZE - 1); + uint32_t config_addr; =20 if (!pci_dev) { return; } =20 + config_addr =3D addr & (pci_config_size(pci_dev) - 1); + PCI_DPRINTF("%s: %s: addr=3D%02" PRIx32 " val=3D%08" PRIx32 " len=3D%d= \n", __func__, pci_dev->name, config_addr, val, len); - pci_host_config_write_common(pci_dev, config_addr, PCI_CONFIG_SPACE_SI= ZE, + pci_host_config_write_common(pci_dev, config_addr, + pci_config_size(pci_dev), val, len); } =20 uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len) { PCIDevice *pci_dev =3D pci_dev_find_by_addr(s, addr); - uint32_t config_addr =3D addr & (PCI_CONFIG_SPACE_SIZE - 1); + uint32_t config_addr; uint32_t val; =20 if (!pci_dev) { return ~0x0; } =20 + config_addr =3D addr & (pci_config_size(pci_dev) - 1); + val =3D pci_host_config_read_common(pci_dev, config_addr, - PCI_CONFIG_SPACE_SIZE, len); + pci_config_size(pci_dev), len); PCI_DPRINTF("%s: %s: addr=3D%02"PRIx32" val=3D%08"PRIx32" len=3D%d\n", __func__, pci_dev->name, config_addr, val, len); =20 --=20 2.14.3