Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 1 | |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 2 | #include <errno.h> |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 3 | #include <stdint.h> |
| 4 | #include <endian.h> |
| 5 | #include <sys/types.h> |
| 6 | #include <linux/usb/functionfs.h> |
| 7 | |
| 8 | #include "ccid_proto.h" |
| 9 | |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 10 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
| 11 | #define cpu_to_le16(x) (x) |
| 12 | #define cpu_to_le32(x) (x) |
| 13 | #else |
| 14 | #define cpu_to_le16(x) ((((x) >> 8) & 0xffu) | (((x) & 0xffu) << 8)) |
| 15 | #define cpu_to_le32(x) \ |
| 16 | ((((x) & 0xff000000u) >> 24) | (((x) & 0x00ff0000u) >> 8) | \ |
| 17 | (((x) & 0x0000ff00u) << 8) | (((x) & 0x000000ffu) << 24)) |
| 18 | #endif |
| 19 | |
| 20 | #define le32_to_cpu(x) le32toh(x) |
| 21 | #define le16_to_cpu(x) le16toh(x) |
| 22 | |
| 23 | /*********************************************************************** |
| 24 | * Actual USB CCID Descriptors |
| 25 | ***********************************************************************/ |
| 26 | |
| 27 | static const struct { |
| 28 | struct usb_functionfs_descs_head_v2 header; |
| 29 | __le32 fs_count; |
| 30 | struct { |
| 31 | struct usb_interface_descriptor intf; |
| 32 | struct usb_ccid_class_descriptor ccid; |
| 33 | struct usb_endpoint_descriptor_no_audio ep_irq; |
| 34 | struct usb_endpoint_descriptor_no_audio ep_out; |
| 35 | struct usb_endpoint_descriptor_no_audio ep_in; |
| 36 | } __attribute__ ((packed)) fs_descs; |
| 37 | } __attribute__ ((packed)) descriptors = { |
| 38 | .header = { |
| 39 | .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC_V2), |
| 40 | .flags = cpu_to_le32(FUNCTIONFS_HAS_FS_DESC), |
| 41 | .length = cpu_to_le32(sizeof(descriptors)), |
| 42 | }, |
| 43 | .fs_count = cpu_to_le32(5), |
| 44 | .fs_descs = { |
| 45 | .intf = { |
| 46 | .bLength = sizeof(descriptors.fs_descs.intf), |
| 47 | .bDescriptorType = USB_DT_INTERFACE, |
| 48 | .bNumEndpoints = 3, |
| 49 | .bInterfaceClass = 11, |
| 50 | .iInterface = 1, |
| 51 | }, |
| 52 | .ccid = { |
| 53 | .bLength = sizeof(descriptors.fs_descs.ccid), |
| 54 | .bDescriptorType = 33, |
| 55 | .bcdCCID = cpu_to_le16(0x0110), |
| 56 | .bMaxSlotIndex = 7, |
| 57 | .bVoltageSupport = 0x07, /* 5/3/1.8V */ |
| 58 | .dwProtocols = cpu_to_le32(1), /* T=0 only */ |
| 59 | .dwDefaultClock = cpu_to_le32(5000), |
| 60 | .dwMaximumClock = cpu_to_le32(20000), |
| 61 | .bNumClockSupported = 0, |
| 62 | .dwDataRate = cpu_to_le32(9600), |
| 63 | .dwMaxDataRate = cpu_to_le32(921600), |
| 64 | .bNumDataRatesSupported = 0, |
| 65 | .dwMaxIFSD = cpu_to_le32(0), |
| 66 | .dwSynchProtocols = cpu_to_le32(0), |
| 67 | .dwMechanical = cpu_to_le32(0), |
| 68 | .dwFeatures = cpu_to_le32(0x10), |
| 69 | .dwMaxCCIDMessageLength = 272, |
| 70 | .bClassGetResponse = 0xff, |
| 71 | .bClassEnvelope = 0xff, |
| 72 | .wLcdLayout = cpu_to_le16(0), |
| 73 | .bPINSupport = 0, |
| 74 | .bMaxCCIDBusySlots = 8, |
| 75 | }, |
| 76 | .ep_irq = { |
| 77 | .bLength = sizeof(descriptors.fs_descs.ep_irq), |
| 78 | .bDescriptorType = USB_DT_ENDPOINT, |
| 79 | .bEndpointAddress = 1 | USB_DIR_IN, |
| 80 | .bmAttributes = USB_ENDPOINT_XFER_INT, |
| 81 | .wMaxPacketSize = 64, |
| 82 | }, |
| 83 | .ep_out = { |
| 84 | .bLength = sizeof(descriptors.fs_descs.ep_out), |
| 85 | .bDescriptorType = USB_DT_ENDPOINT, |
| 86 | .bEndpointAddress = 2 | USB_DIR_OUT, |
| 87 | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
| 88 | /* .wMaxPacketSize = autoconfiguration (kernel) */ |
| 89 | }, |
| 90 | .ep_in = { |
| 91 | .bLength = sizeof(descriptors.fs_descs.ep_in), |
| 92 | .bDescriptorType = USB_DT_ENDPOINT, |
| 93 | .bEndpointAddress = 3 | USB_DIR_IN, |
| 94 | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
| 95 | /* .wMaxPacketSize = autoconfiguration (kernel) */ |
| 96 | }, |
| 97 | }, |
| 98 | }; |
| 99 | |
| 100 | #define STR_INTERFACE_ "Osmocom CCID Interface" |
| 101 | |
| 102 | static const struct { |
| 103 | struct usb_functionfs_strings_head header; |
| 104 | struct { |
| 105 | __le16 code; |
| 106 | const char str1[sizeof(STR_INTERFACE_)]; |
| 107 | } __attribute__((packed)) lang0; |
| 108 | } __attribute__((packed)) strings = { |
| 109 | .header = { |
| 110 | .magic = cpu_to_le32(FUNCTIONFS_STRINGS_MAGIC), |
| 111 | .length = cpu_to_le32(sizeof(strings)), |
| 112 | .str_count = cpu_to_le32(1), |
| 113 | .lang_count = cpu_to_le32(1), |
| 114 | }, |
| 115 | .lang0 = { |
| 116 | cpu_to_le16(0x0409), /* en-us */ |
| 117 | STR_INTERFACE_, |
| 118 | }, |
| 119 | }; |
| 120 | |
| 121 | |
| 122 | |
| 123 | /*********************************************************************** |
| 124 | * USB FunctionFS interface |
| 125 | ***********************************************************************/ |
| 126 | |
| 127 | #include <stdlib.h> |
| 128 | #include <stdio.h> |
| 129 | #include <unistd.h> |
| 130 | #include <assert.h> |
| 131 | #include <fcntl.h> |
| 132 | #include <sys/stat.h> |
| 133 | #include <osmocom/core/select.h> |
| 134 | #include <osmocom/core/utils.h> |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 135 | #include <osmocom/core/msgb.h> |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 136 | #include <osmocom/core/utils.h> |
| 137 | #include <osmocom/core/application.h> |
| 138 | #include <osmocom/core/logging.h> |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 139 | |
| 140 | #include "ccid_device.h" |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 141 | |
| 142 | #ifndef FUNCTIONFS_SUPPORTS_POLL |
| 143 | #include <libaio.h> |
| 144 | struct aio_help { |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 145 | struct msgb *msg; |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 146 | struct iocb *iocb; |
| 147 | }; |
| 148 | #endif |
| 149 | |
| 150 | /* usb function handle */ |
| 151 | struct ufunc_handle { |
| 152 | struct osmo_fd ep0; |
| 153 | struct osmo_fd ep_in; |
| 154 | struct osmo_fd ep_out; |
| 155 | struct osmo_fd ep_int; |
| 156 | #ifndef FUNCTIONFS_SUPPORTS_POLL |
| 157 | struct osmo_fd aio_evfd; |
| 158 | io_context_t aio_ctx; |
| 159 | struct aio_help aio_in; |
| 160 | struct aio_help aio_out; |
| 161 | struct aio_help aio_int; |
| 162 | #endif |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 163 | struct ccid_instance *ccid_handle; |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 164 | }; |
| 165 | |
| 166 | static int ep_int_cb(struct osmo_fd *ofd, unsigned int what) |
| 167 | { |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 168 | LOGP(DUSB, LOGL_DEBUG, "%s\n", __func__); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 169 | return 0; |
| 170 | } |
| 171 | |
| 172 | static int ep_out_cb(struct osmo_fd *ofd, unsigned int what) |
| 173 | { |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 174 | struct ufunc_handle *uh = (struct ufunc_handle *) ofd->data; |
| 175 | struct msgb *msg = msgb_alloc(512, "OUT-Rx"); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 176 | int rc; |
| 177 | |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 178 | LOGP(DUSB, LOGL_DEBUG, "%s\n", __func__); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 179 | if (what & BSC_FD_READ) { |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 180 | rc = read(ofd->fd, msgb_data(msg), msgb_tailroom(msg)); |
| 181 | if (rc <= 0) { |
| 182 | msgb_free(msg); |
| 183 | return rc; |
| 184 | } |
| 185 | msgb_put(msg, rc); |
| 186 | ccid_handle_out(uh->ccid_handle, msg); |
| 187 | msgb_free(msg); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 188 | } |
| 189 | return 0; |
| 190 | } |
| 191 | |
| 192 | static int ep_in_cb(struct osmo_fd *ofd, unsigned int what) |
| 193 | { |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 194 | LOGP(DUSB, LOGL_DEBUG, "%s\n", __func__); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 195 | if (what & BSC_FD_WRITE) { |
| 196 | /* write what we have to write */ |
| 197 | } |
| 198 | return 0; |
| 199 | } |
| 200 | |
| 201 | const struct value_string ffs_evt_type_names[] = { |
| 202 | { FUNCTIONFS_BIND, "BIND" }, |
| 203 | { FUNCTIONFS_UNBIND, "UNBIND" }, |
| 204 | { FUNCTIONFS_ENABLE, "ENABLE" }, |
| 205 | { FUNCTIONFS_DISABLE, "DISABLE" }, |
| 206 | { FUNCTIONFS_SETUP, "SETUP" }, |
| 207 | { FUNCTIONFS_SUSPEND, "SUSPEND" }, |
| 208 | { FUNCTIONFS_RESUME, "RESUME" }, |
| 209 | { 0, NULL } |
| 210 | }; |
| 211 | |
| 212 | static void handle_setup(const struct usb_ctrlrequest *setup) |
| 213 | { |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 214 | LOGP(DUSB, LOGL_NOTICE, "EP0 SETUP bRequestType=0x%02x, bRequest=0x%02x wValue=0x%04x, " |
| 215 | "wIndex=0x%04x, wLength=%u\n", setup->bRequestType, setup->bRequest, |
| 216 | le16_to_cpu(setup->wValue), le16_to_cpu(setup->wIndex), le16_to_cpu(setup->wLength)); |
| 217 | /* FIXME: Handle control transfer */ |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | static void aio_refill_out(struct ufunc_handle *uh); |
| 221 | |
| 222 | static int ep_0_cb(struct osmo_fd *ofd, unsigned int what) |
| 223 | { |
| 224 | struct ufunc_handle *uh = (struct ufunc_handle *) ofd->data; |
| 225 | int rc; |
| 226 | |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 227 | if (what & BSC_FD_READ) { |
| 228 | struct usb_functionfs_event evt; |
| 229 | rc = read(ofd->fd, (uint8_t *)&evt, sizeof(evt)); |
| 230 | if (rc < sizeof(evt)) |
| 231 | return -23; |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 232 | LOGP(DUSB, LOGL_NOTICE, "EP0 %s\n", get_value_string(ffs_evt_type_names, evt.type)); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 233 | switch (evt.type) { |
| 234 | case FUNCTIONFS_ENABLE: |
| 235 | aio_refill_out(uh); |
| 236 | break; |
| 237 | case FUNCTIONFS_SETUP: |
| 238 | handle_setup(&evt.u.setup); |
| 239 | break; |
| 240 | } |
| 241 | |
| 242 | } |
| 243 | return 0; |
| 244 | } |
| 245 | |
| 246 | #ifndef FUNCTIONFS_SUPPORTS_POLL |
| 247 | |
| 248 | static void aio_refill_out(struct ufunc_handle *uh) |
| 249 | { |
| 250 | int rc; |
| 251 | struct aio_help *ah = &uh->aio_out; |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 252 | |
| 253 | LOGP(DUSB, LOGL_DEBUG, "%s\n", __func__); |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 254 | msgb_reset(ah->msg); |
| 255 | io_prep_pread(ah->iocb, uh->ep_out.fd, msgb_data(ah->msg), msgb_tailroom(ah->msg), 0); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 256 | io_set_eventfd(ah->iocb, uh->aio_evfd.fd); |
| 257 | rc = io_submit(uh->aio_ctx, 1, &ah->iocb); |
| 258 | OSMO_ASSERT(rc >= 0); |
| 259 | } |
| 260 | |
| 261 | static int evfd_cb(struct osmo_fd *ofd, unsigned int what) |
| 262 | { |
| 263 | struct ufunc_handle *uh = (struct ufunc_handle *) ofd->data; |
| 264 | struct io_event evt[3]; |
| 265 | uint64_t ev_cnt; |
| 266 | int i, rc; |
| 267 | |
| 268 | rc = read(ofd->fd, &ev_cnt, sizeof(ev_cnt)); |
| 269 | assert(rc == sizeof(ev_cnt)); |
| 270 | |
| 271 | rc = io_getevents(uh->aio_ctx, 1, 3, evt, NULL); |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 272 | if (rc <= 0) { |
| 273 | LOGP(DUSB, LOGL_ERROR, "error in io_getevents(): %d\n", rc); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 274 | return rc; |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 275 | } |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 276 | |
| 277 | for (i = 0; i < rc; i++) { |
| 278 | int fd = evt[i].obj->aio_fildes; |
| 279 | if (fd == uh->ep_int.fd) { |
| 280 | /* interrupt endpoint AIO has completed. This means the IRQ transfer |
| 281 | * which we generated has reached the host */ |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 282 | LOGP(DUSB, LOGL_DEBUG, "IRQ AIO completed, free()ing msgb\n"); |
| 283 | msgb_free(uh->aio_in.msg); |
| 284 | uh->aio_in.msg = NULL; |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 285 | } else if (fd == uh->ep_in.fd) { |
| 286 | /* IN endpoint AIO has completed. This means the IN transfer which |
| 287 | * we sent to the host has completed */ |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 288 | LOGP(DUSB, LOGL_DEBUG, "IN AIO completed, free()ing msgb\n"); |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame] | 289 | msgb_free(uh->aio_in.msg); |
| 290 | uh->aio_in.msg = NULL; |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 291 | } else if (fd == uh->ep_out.fd) { |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 292 | /* OUT endpoint AIO has completed. This means the host has sent us |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 293 | * some OUT data */ |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 294 | LOGP(DUSB, LOGL_DEBUG, "OUT AIO completed, dispatching received msg\n"); |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 295 | msgb_put(uh->aio_out.msg, evt[i].res); |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 296 | //printf("\t%s\n", msgb_hexdump(uh->aio_out.msg)); |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame] | 297 | //ccid_handle_out(uh->ccid_handle, uh->aio_out.buf, evt[i].res); |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 298 | ccid_handle_out(uh->ccid_handle, uh->aio_out.msg); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 299 | aio_refill_out(uh); |
| 300 | } |
| 301 | } |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame] | 302 | return 0; |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 303 | } |
| 304 | #endif |
| 305 | |
| 306 | |
| 307 | static int ep0_init(struct ufunc_handle *uh) |
| 308 | { |
| 309 | int rc; |
| 310 | |
| 311 | /* open control endpoint and write descriptors to it */ |
| 312 | rc = open("ep0", O_RDWR); |
| 313 | assert(rc >= 0); |
| 314 | osmo_fd_setup(&uh->ep0, rc, BSC_FD_READ, &ep_0_cb, uh, 0); |
| 315 | osmo_fd_register(&uh->ep0); |
| 316 | rc = write(uh->ep0.fd, &descriptors, sizeof(descriptors)); |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 317 | if (rc != sizeof(descriptors)) { |
| 318 | LOGP(DUSB, LOGL_ERROR, "Cannot write descriptors: %s\n", strerror(errno)); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 319 | return -1; |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 320 | } |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 321 | rc = write(uh->ep0.fd, &strings, sizeof(strings)); |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 322 | if (rc != sizeof(strings)) { |
| 323 | LOGP(DUSB, LOGL_ERROR, "Cannot write strings: %s\n", strerror(errno)); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 324 | return -1; |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 325 | } |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 326 | |
| 327 | /* open other endpoint file descriptors */ |
| 328 | rc = open("ep1", O_RDWR); |
| 329 | assert(rc >= 0); |
| 330 | osmo_fd_setup(&uh->ep_int, rc, 0, &ep_int_cb, uh, 1); |
| 331 | #ifdef FUNCTIONFS_SUPPORTS_POLL |
| 332 | osmo_fd_register(&uh->ep_int); |
| 333 | #endif |
| 334 | |
| 335 | rc = open("ep2", O_RDWR); |
| 336 | assert(rc >= 0); |
| 337 | osmo_fd_setup(&uh->ep_out, rc, BSC_FD_READ, &ep_out_cb, uh, 2); |
| 338 | #ifdef FUNCTIONFS_SUPPORTS_POLL |
| 339 | osmo_fd_register(&uh->ep_out); |
| 340 | #endif |
| 341 | |
| 342 | rc = open("ep3", O_RDWR); |
| 343 | assert(rc >= 0); |
| 344 | osmo_fd_setup(&uh->ep_in, rc, 0, &ep_in_cb, uh, 3); |
| 345 | #ifdef FUNCTIONFS_SUPPORTS_POLL |
| 346 | osmo_fd_register(&uh->ep_in); |
| 347 | #endif |
| 348 | |
| 349 | #ifndef FUNCTIONFS_SUPPORTS_POLL |
| 350 | #include <sys/eventfd.h> |
| 351 | /* for some absolutely weird reason, gadgetfs+functionfs don't support |
| 352 | * the standard methods of non-blocking I/o (select/poll). We need to |
| 353 | * work around using Linux AIO, which is not to be confused with POSIX AIO! */ |
| 354 | |
| 355 | memset(&uh->aio_ctx, 0, sizeof(uh->aio_ctx)); |
| 356 | rc = io_setup(3, &uh->aio_ctx); |
| 357 | OSMO_ASSERT(rc >= 0); |
| 358 | |
| 359 | /* create an eventfd, which will be marked readable once some AIO completes */ |
| 360 | rc = eventfd(0, 0); |
| 361 | OSMO_ASSERT(rc >= 0); |
| 362 | osmo_fd_setup(&uh->aio_evfd, rc, BSC_FD_READ, &evfd_cb, uh, 0); |
| 363 | osmo_fd_register(&uh->aio_evfd); |
| 364 | |
Harald Welte | d5d555c | 2019-05-15 19:53:24 +0200 | [diff] [blame] | 365 | uh->aio_out.msg = msgb_alloc(512, "OUT-Rx-AIO"); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 366 | uh->aio_out.iocb = malloc(sizeof(struct iocb)); |
| 367 | |
| 368 | #endif |
| 369 | |
| 370 | return 0; |
| 371 | } |
| 372 | |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame] | 373 | static int ccid_ops_send_in(struct ccid_instance *ci, struct msgb *msg) |
| 374 | { |
| 375 | struct ufunc_handle *uh = ci->priv; |
| 376 | struct aio_help *ah = &uh->aio_in; |
| 377 | int rc; |
| 378 | |
| 379 | /* FIXME: does this work with multiple iocbs? probably not yet! */ |
| 380 | ah->iocb = malloc(sizeof(struct iocb)); |
| 381 | OSMO_ASSERT(ah->iocb); |
| 382 | ah->msg = msg; |
| 383 | io_prep_pwrite(ah->iocb, uh->ep_in.fd, msgb_data(msg), msgb_length(msg), 0); |
| 384 | io_set_eventfd(ah->iocb, uh->aio_evfd.fd); |
| 385 | rc = io_submit(uh->aio_ctx, 1, &ah->iocb); |
| 386 | OSMO_ASSERT(rc >= 0); |
| 387 | |
| 388 | return 0; |
| 389 | } |
| 390 | |
| 391 | static const struct ccid_ops c_ops = { |
| 392 | .send_in = ccid_ops_send_in, |
| 393 | }; |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 394 | |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 395 | static const struct log_info_cat log_info_cat[] = { |
| 396 | [DUSB] = { |
| 397 | .name = "USB", |
| 398 | .description = "USB Transport", |
| 399 | .enabled = 1, |
| 400 | .loglevel = LOGL_NOTICE, |
| 401 | }, |
| 402 | [DCCID] = { |
| 403 | .name = "CCID", |
| 404 | .description = "CCID Core", |
| 405 | .color = "\033[1;35m", |
| 406 | .enabled = 1, |
| 407 | .loglevel = LOGL_DEBUG, |
| 408 | }, |
| 409 | }; |
| 410 | |
| 411 | static const struct log_info log_info = { |
| 412 | .cat = log_info_cat, |
| 413 | .num_cat = ARRAY_SIZE(log_info_cat), |
| 414 | }; |
| 415 | |
| 416 | static void *tall_main_ctx; |
| 417 | |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 418 | int main(int argc, char **argv) |
| 419 | { |
| 420 | struct ufunc_handle ufh = (struct ufunc_handle) { 0, }; |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame] | 421 | struct ccid_instance ci = (struct ccid_instance) { 0, }; |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 422 | int rc; |
| 423 | |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 424 | tall_main_ctx = talloc_named_const(NULL, 0, "ccid_main_functionfs"); |
| 425 | msgb_talloc_ctx_init(tall_main_ctx, 0); |
| 426 | osmo_init_logging2(tall_main_ctx, &log_info); |
| 427 | |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame] | 428 | ccid_instance_init(&ci, &c_ops, "", &ufh); |
| 429 | ufh.ccid_handle = &ci; |
| 430 | |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 431 | if (argc < 2) { |
| 432 | fprintf(stderr, "You have to specify the mount-path of the functionfs\n"); |
| 433 | exit(2); |
| 434 | } |
| 435 | |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 436 | chdir(argv[1]); |
| 437 | rc = ep0_init(&ufh); |
| 438 | if (rc < 0) { |
| 439 | fprintf(stderr, "Error %d\n", rc); |
Harald Welte | e73a1df | 2019-05-15 22:27:02 +0200 | [diff] [blame^] | 440 | exit(1); |
Harald Welte | 6365374 | 2019-01-03 16:54:16 +0100 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | while (1) { |
| 444 | osmo_select_main(0); |
| 445 | } |
| 446 | } |