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[76.251.165.188]) by smtp.gmail.com with ESMTPSA id i7sm2390668oto.62.2020.09.13.18.59.14 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sun, 13 Sep 2020 18:59:14 -0700 (PDT) From: Michael Roth To: qemu-devel@nongnu.org Subject: [PULL 2/4] qga/commands-posix: Move the udev code from the pci to the generic function Date: Sun, 13 Sep 2020 20:59:00 -0500 Message-Id: <20200914015902.25769-3-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200914015902.25769-1-mdroth@linux.vnet.ibm.com> References: <20200914015902.25769-1-mdroth@linux.vnet.ibm.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::236; envelope-from=flukshun@gmail.com; helo=mail-oi1-x236.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Thomas Huth Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Thomas Huth The libudev-related code is independent from the other pci-related code and can be re-used for non-pci devices (like ccw devices on s390x). Thus move this part to the generic function. Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1755075 Signed-off-by: Thomas Huth Reviewed-by: Daniel P. Berrangé Signed-off-by: Michael Roth --- qga/commands-posix.c | 62 +++++++++++++++++++++++--------------------- 1 file changed, 33 insertions(+), 29 deletions(-) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 1a42ec8171..e8467ac567 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -874,10 +874,6 @@ static bool build_guest_fsinfo_for_pci_dev(char const *syspath, GuestPCIAddress *pciaddr = disk->pci_controller; bool has_ata = false, has_host = false, has_tgt = false; char *p, *q, *driver = NULL; -#ifdef CONFIG_LIBUDEV - struct udev *udev = NULL; - struct udev_device *udevice = NULL; -#endif bool ret = false; p = strstr(syspath, "/devices/pci"); @@ -936,26 +932,6 @@ static bool build_guest_fsinfo_for_pci_dev(char const *syspath, pciaddr->slot = pci[2]; pciaddr->function = pci[3]; -#ifdef CONFIG_LIBUDEV - udev = udev_new(); - udevice = udev_device_new_from_syspath(udev, syspath); - if (udev == NULL || udevice == NULL) { - g_debug("failed to query udev"); - } else { - const char *devnode, *serial; - devnode = udev_device_get_devnode(udevice); - if (devnode != NULL) { - disk->dev = g_strdup(devnode); - disk->has_dev = true; - } - serial = udev_device_get_property_value(udevice, "ID_SERIAL"); - if (serial != NULL && *serial != 0) { - disk->serial = g_strdup(serial); - disk->has_serial = true; - } - } -#endif - if (strcmp(driver, "ata_piix") == 0) { /* a host per ide bus, target*:0::0 */ if (!has_host || !has_tgt) { @@ -1017,10 +993,6 @@ static bool build_guest_fsinfo_for_pci_dev(char const *syspath, cleanup: g_free(driver); -#ifdef CONFIG_LIBUDEV - udev_unref(udev); - udev_device_unref(udevice); -#endif return ret; } @@ -1033,18 +1005,50 @@ static void build_guest_fsinfo_for_real_device(char const *syspath, GuestPCIAddress *pciaddr; GuestDiskAddressList *list = NULL; bool has_hwinf; +#ifdef CONFIG_LIBUDEV + struct udev *udev = NULL; + struct udev_device *udevice = NULL; +#endif pciaddr = g_new0(GuestPCIAddress, 1); + pciaddr->domain = -1; /* -1 means field is invalid */ + pciaddr->bus = -1; + pciaddr->slot = -1; + pciaddr->function = -1; disk = g_new0(GuestDiskAddress, 1); disk->pci_controller = pciaddr; + disk->bus_type = GUEST_DISK_BUS_TYPE_UNKNOWN; list = g_new0(GuestDiskAddressList, 1); list->value = disk; +#ifdef CONFIG_LIBUDEV + udev = udev_new(); + udevice = udev_device_new_from_syspath(udev, syspath); + if (udev == NULL || udevice == NULL) { + g_debug("failed to query udev"); + } else { + const char *devnode, *serial; + devnode = udev_device_get_devnode(udevice); + if (devnode != NULL) { + disk->dev = g_strdup(devnode); + disk->has_dev = true; + } + serial = udev_device_get_property_value(udevice, "ID_SERIAL"); + if (serial != NULL && *serial != 0) { + disk->serial = g_strdup(serial); + disk->has_serial = true; + } + } + + udev_unref(udev); + udev_device_unref(udevice); +#endif + has_hwinf = build_guest_fsinfo_for_pci_dev(syspath, disk, errp); - if (has_hwinf) { + if (has_hwinf || disk->has_dev || disk->has_serial) { list->next = fs->disk; fs->disk = list; } else {