diff options
| -rw-r--r-- | drivers/fastboot/fb_command.c | 10 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_fastboot.c | 29 | ||||
| -rw-r--r-- | include/fastboot.h | 18 | ||||
| -rw-r--r-- | net/fastboot_udp.c | 29 |
4 files changed, 80 insertions, 6 deletions
diff --git a/drivers/fastboot/fb_command.c b/drivers/fastboot/fb_command.c index 5fcadcd..ab72d8c 100644 --- a/drivers/fastboot/fb_command.c +++ b/drivers/fastboot/fb_command.c @@ -5,6 +5,7 @@ #include <common.h> #include <command.h> +#include <console.h> #include <env.h> #include <fastboot.h> #include <fastboot-internal.h> @@ -152,6 +153,15 @@ int fastboot_handle_command(char *cmd_string, char *response) return -1; } +void fastboot_multiresponse(int cmd, char *response) +{ + switch (cmd) { + default: + fastboot_fail("Unknown multiresponse command", response); + break; + } +} + /** * okay() - Send bare OKAY response * diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 9f322c9..09e740c 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -497,6 +497,25 @@ static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req) do_exit_on_complete(ep, req); } +static int multiresponse_cmd = -1; +static void multiresponse_on_complete(struct usb_ep *ep, struct usb_request *req) +{ + char response[FASTBOOT_RESPONSE_LEN] = {0}; + + if (multiresponse_cmd == -1) + return; + + /* Call handler to obtain next response */ + fastboot_multiresponse(multiresponse_cmd, response); + fastboot_tx_write_str(response); + + /* If response is final OKAY/FAIL response disconnect this handler and unset cmd */ + if (!strncmp("OKAY", response, 4) || !strncmp("FAIL", response, 4)) { + multiresponse_cmd = -1; + fastboot_func->in_req->complete = fastboot_complete; + } +} + static void do_acmd_complete(struct usb_ep *ep, struct usb_request *req) { /* When usb dequeue complete will be called @@ -524,6 +543,16 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) fastboot_fail("buffer overflow", response); } + if (!strncmp(FASTBOOT_MULTIRESPONSE_START, response, 4)) { + multiresponse_cmd = cmd; + fastboot_multiresponse(multiresponse_cmd, response); + + /* Only add complete callback if first is not a final OKAY/FAIL response */ + if (strncmp("OKAY", response, 4) && strncmp("FAIL", response, 4)) { + fastboot_func->in_req->complete = multiresponse_on_complete; + } + } + if (!strncmp("DATA", response, 4)) { req->complete = rx_handler_dl_image; req->length = rx_bytes_expected(ep); diff --git a/include/fastboot.h b/include/fastboot.h index 296451f..59cbea6 100644 --- a/include/fastboot.h +++ b/include/fastboot.h @@ -14,6 +14,16 @@ #define FASTBOOT_VERSION "0.4" +/* + * Signals u-boot fastboot code to send multiple responses by + * calling response generating function repeatedly until a OKAY/FAIL + * is generated as final response. + * + * This status code is only used internally to signal, must NOT + * be sent to host. + */ +#define FASTBOOT_MULTIRESPONSE_START ("MORE") + /* The 64 defined bytes plus \0 */ #define FASTBOOT_COMMAND_LEN (64 + 1) #define FASTBOOT_RESPONSE_LEN (64 + 1) @@ -172,5 +182,13 @@ void fastboot_data_download(const void *fastboot_data, */ void fastboot_data_complete(char *response); +/** + * fastboot_handle_multiresponse() - Called for each response to send + * + * @cmd: Command id that requested multiresponse + * @response: Pointer to fastboot response buffer + */ +void fastboot_multiresponse(int cmd, char *response); + void fastboot_acmd_complete(void); #endif /* _FASTBOOT_H_ */ diff --git a/net/fastboot_udp.c b/net/fastboot_udp.c index d690787..6fee441 100644 --- a/net/fastboot_udp.c +++ b/net/fastboot_udp.c @@ -42,16 +42,15 @@ static int fastboot_remote_port; static int fastboot_our_port; /** - * fastboot_udp_send_info() - Send an INFO packet during long commands. + * fastboot_udp_send_response() - Send an response into UDP * - * @msg: String describing the reason for waiting + * @response: Response to send */ -static void fastboot_udp_send_info(const char *msg) +static void fastboot_udp_send_response(const char *response) { uchar *packet; uchar *packet_base; int len = 0; - char response[FASTBOOT_RESPONSE_LEN] = {0}; struct fastboot_header response_header = { .id = FASTBOOT_FASTBOOT, @@ -66,7 +65,6 @@ static void fastboot_udp_send_info(const char *msg) memcpy(packet, &response_header, sizeof(response_header)); packet += sizeof(response_header); /* Write response */ - fastboot_response("INFO", response, "%s", msg); memcpy(packet, response, strlen(response)); packet += strlen(response); @@ -91,6 +89,7 @@ static void fastboot_udp_send_info(const char *msg) static void fastboot_timed_send_info(const char *msg) { static ulong start; + char response[FASTBOOT_RESPONSE_LEN] = {0}; /* Initialize timer */ if (start == 0) @@ -99,7 +98,8 @@ static void fastboot_timed_send_info(const char *msg) /* Send INFO packet to host every 30 seconds */ if (time >= 30000) { start = get_timer(0); - fastboot_udp_send_info(msg); + fastboot_response("INFO", response, "%s", msg); + fastboot_udp_send_response(response); } } @@ -180,6 +180,23 @@ static void fastboot_send(struct fastboot_header header, char *fastboot_data, } else { cmd = fastboot_handle_command(command, response); pending_command = false; + + if (!strncmp(FASTBOOT_MULTIRESPONSE_START, response, 4)) { + while (1) { + /* Call handler to obtain next response */ + fastboot_multiresponse(cmd, response); + + /* + * Send more responses or break to send + * final OKAY/FAIL response + */ + if (strncmp("OKAY", response, 4) && + strncmp("FAIL", response, 4)) + fastboot_udp_send_response(response); + else + break; + } + } } /* * Sent some INFO packets, need to update sequence number in |