diff options
-rw-r--r-- | fuse_sideload.c | 30 | ||||
-rw-r--r-- | minadbd/usb_linux_client.c | 161 |
2 files changed, 135 insertions, 56 deletions
diff --git a/fuse_sideload.c b/fuse_sideload.c index ab91defbf..4e11e01e4 100644 --- a/fuse_sideload.c +++ b/fuse_sideload.c @@ -53,6 +53,7 @@ #include <string.h> #include <sys/inotify.h> #include <sys/mount.h> +#include <sys/param.h> #include <sys/resource.h> #include <sys/stat.h> #include <sys/statfs.h> @@ -117,15 +118,40 @@ static void fuse_reply(struct fuse_data* fd, __u64 unique, const void *data, siz static int handle_init(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) { const struct fuse_init_in* req = data; struct fuse_init_out out; + size_t fuse_struct_size; + + + /* Kernel 2.6.16 is the first stable kernel with struct fuse_init_out + * defined (fuse version 7.6). The structure is the same from 7.6 through + * 7.22. Beginning with 7.23, the structure increased in size and added + * new parameters. + */ + if (req->major != FUSE_KERNEL_VERSION || req->minor < 6) { + printf("Fuse kernel version mismatch: Kernel version %d.%d, Expected at least %d.6", + req->major, req->minor, FUSE_KERNEL_VERSION); + return -1; + } + + out.minor = MIN(req->minor, FUSE_KERNEL_MINOR_VERSION); + fuse_struct_size = sizeof(out); +#if defined(FUSE_COMPAT_22_INIT_OUT_SIZE) + /* FUSE_KERNEL_VERSION >= 23. */ + + /* If the kernel only works on minor revs older than or equal to 22, + * then use the older structure size since this code only uses the 7.22 + * version of the structure. */ + if (req->minor <= 22) { + fuse_struct_size = FUSE_COMPAT_22_INIT_OUT_SIZE; + } +#endif out.major = FUSE_KERNEL_VERSION; - out.minor = FUSE_KERNEL_MINOR_VERSION; out.max_readahead = req->max_readahead; out.flags = 0; out.max_background = 32; out.congestion_threshold = 32; out.max_write = 4096; - fuse_reply(fd, hdr->unique, &out, sizeof(out)); + fuse_reply(fd, hdr->unique, &out, fuse_struct_size); return NO_STATUS; } diff --git a/minadbd/usb_linux_client.c b/minadbd/usb_linux_client.c index 29bab1558..e7d3c4854 100644 --- a/minadbd/usb_linux_client.c +++ b/minadbd/usb_linux_client.c @@ -52,7 +52,35 @@ struct usb_handle int bulk_in; /* "in" from the host's perspective => sink for adbd */ }; -static const struct { +struct func_desc { + struct usb_interface_descriptor intf; + struct usb_endpoint_descriptor_no_audio source; + struct usb_endpoint_descriptor_no_audio sink; +} __attribute__((packed)); + +struct desc_v1 { + struct usb_functionfs_descs_head_v1 { + __le32 magic; + __le32 length; + __le32 fs_count; + __le32 hs_count; + } __attribute__((packed)) header; + struct func_desc fs_descs, hs_descs; +} __attribute__((packed)); + +struct desc_v2 { + struct usb_functionfs_descs_head_v2 { + __le32 magic; + __le32 length; + __le32 flags; + __le32 fs_count; + __le32 hs_count; + __le32 ss_count; + } __attribute__((packed)) header; + struct func_desc fs_descs, hs_descs; +} __attribute__((packed)); + +/*static const struct { struct usb_functionfs_descs_head header; struct { struct usb_interface_descriptor intf; @@ -66,57 +94,60 @@ static const struct { .fs_count = 3, .hs_count = 3, }, - .fs_descs = { - .intf = { - .bLength = sizeof(descriptors.fs_descs.intf), - .bDescriptorType = USB_DT_INTERFACE, - .bInterfaceNumber = 0, - .bNumEndpoints = 2, - .bInterfaceClass = ADB_CLASS, - .bInterfaceSubClass = ADB_SUBCLASS, - .bInterfaceProtocol = ADB_PROTOCOL, - .iInterface = 1, /* first string from the provided table */ - }, - .source = { - .bLength = sizeof(descriptors.fs_descs.source), - .bDescriptorType = USB_DT_ENDPOINT, - .bEndpointAddress = 1 | USB_DIR_OUT, - .bmAttributes = USB_ENDPOINT_XFER_BULK, - .wMaxPacketSize = MAX_PACKET_SIZE_FS, - }, - .sink = { - .bLength = sizeof(descriptors.fs_descs.sink), - .bDescriptorType = USB_DT_ENDPOINT, - .bEndpointAddress = 2 | USB_DIR_IN, - .bmAttributes = USB_ENDPOINT_XFER_BULK, - .wMaxPacketSize = MAX_PACKET_SIZE_FS, - }, + +*/ + +struct func_desc fs_descriptors = { + .intf = { + .bLength = sizeof(fs_descriptors.intf), + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = 0, + .bNumEndpoints = 2, + .bInterfaceClass = ADB_CLASS, + .bInterfaceSubClass = ADB_SUBCLASS, + .bInterfaceProtocol = ADB_PROTOCOL, + .iInterface = 1, /* first string from the provided table */ + }, + .source = { + .bLength = sizeof(fs_descriptors.source), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 1 | USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = MAX_PACKET_SIZE_FS, + }, + .sink = { + .bLength = sizeof(fs_descriptors.sink), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 2 | USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = MAX_PACKET_SIZE_FS, + }, +}; + +struct func_desc hs_descriptors = { + .intf = { + .bLength = sizeof(hs_descriptors.intf), + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = 0, + .bNumEndpoints = 2, + .bInterfaceClass = ADB_CLASS, + .bInterfaceSubClass = ADB_SUBCLASS, + .bInterfaceProtocol = ADB_PROTOCOL, + .iInterface = 1, /* first string from the provided table */ + }, + .source = { + .bLength = sizeof(hs_descriptors.source), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 1 | USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = MAX_PACKET_SIZE_HS, }, - .hs_descs = { - .intf = { - .bLength = sizeof(descriptors.hs_descs.intf), - .bDescriptorType = USB_DT_INTERFACE, - .bInterfaceNumber = 0, - .bNumEndpoints = 2, - .bInterfaceClass = ADB_CLASS, - .bInterfaceSubClass = ADB_SUBCLASS, - .bInterfaceProtocol = ADB_PROTOCOL, - .iInterface = 1, /* first string from the provided table */ - }, - .source = { - .bLength = sizeof(descriptors.hs_descs.source), - .bDescriptorType = USB_DT_ENDPOINT, - .bEndpointAddress = 1 | USB_DIR_OUT, - .bmAttributes = USB_ENDPOINT_XFER_BULK, - .wMaxPacketSize = MAX_PACKET_SIZE_HS, - }, - .sink = { - .bLength = sizeof(descriptors.hs_descs.sink), - .bDescriptorType = USB_DT_ENDPOINT, - .bEndpointAddress = 2 | USB_DIR_IN, - .bmAttributes = USB_ENDPOINT_XFER_BULK, - .wMaxPacketSize = MAX_PACKET_SIZE_HS, - }, + .sink = { + .bLength = sizeof(hs_descriptors.sink), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 2 | USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = MAX_PACKET_SIZE_HS, }, }; @@ -267,6 +298,18 @@ static void usb_adb_init() static void init_functionfs(struct usb_handle *h) { ssize_t ret; + struct desc_v1 v1_descriptor; + struct desc_v2 v2_descriptor; + + v2_descriptor.header.magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC_V2); + v2_descriptor.header.length = cpu_to_le32(sizeof(v2_descriptor)); + v2_descriptor.header.flags = FUNCTIONFS_HAS_FS_DESC | FUNCTIONFS_HAS_HS_DESC; + v2_descriptor.header.fs_count = 3; + v2_descriptor.header.hs_count = 3; + v2_descriptor.header.ss_count = 0; + v2_descriptor.fs_descs = fs_descriptors; + v2_descriptor.hs_descs = hs_descriptors; + D("OPENING %s\n", USB_FFS_ADB_EP0); h->control = adb_open(USB_FFS_ADB_EP0, O_RDWR); @@ -275,10 +318,20 @@ static void init_functionfs(struct usb_handle *h) goto err; } - ret = adb_write(h->control, &descriptors, sizeof(descriptors)); + ret = adb_write(h->control, &v2_descriptor, sizeof(v2_descriptor)); if (ret < 0) { - D("[ %s: write descriptors failed: errno=%d ]\n", USB_FFS_ADB_EP0, errno); - goto err; + v1_descriptor.header.magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC); + v1_descriptor.header.length = cpu_to_le32(sizeof(v1_descriptor)); + v1_descriptor.header.fs_count = 3; + v1_descriptor.header.hs_count = 3; + v1_descriptor.fs_descs = fs_descriptors; + v1_descriptor.hs_descs = hs_descriptors; + D("[ %s: Switching to V1_descriptor format errno=%d ]\n", USB_FFS_ADB_EP0, errno); + ret = adb_write(h->control, &v1_descriptor, sizeof(v1_descriptor)); + if (ret < 0) { + D("[ %s: write descriptors failed: errno=%d ]\n", USB_FFS_ADB_EP0, errno); + goto err; + } } ret = adb_write(h->control, &strings, sizeof(strings)); |