From: Ion Agorria ion@agorria.com
This commit implements "fastboot getvar all" listing by iterating the existing dispatchers that don't require parameters (as we pass NULL), uses fastboot multiresponse.
Signed-off-by: Ion Agorria ion@agorria.com Signed-off-by: Svyatoslav Ryhel clamor95@gmail.com Reviewed-by: Mattijs Korpershoek mkorpershoek@baylibre.com --- doc/android/fastboot-protocol.rst | 3 ++ drivers/fastboot/fb_command.c | 3 ++ drivers/fastboot/fb_getvar.c | 75 +++++++++++++++++++++++++------ include/fastboot-internal.h | 7 +++ 4 files changed, 75 insertions(+), 13 deletions(-)
diff --git a/doc/android/fastboot-protocol.rst b/doc/android/fastboot-protocol.rst index e8cbd7f24e..8bd6d7168f 100644 --- a/doc/android/fastboot-protocol.rst +++ b/doc/android/fastboot-protocol.rst @@ -173,6 +173,9 @@ The various currently defined names are:: bootloader requiring a signature before it will install or boot images.
+ all Provides all info from commands above as + they were called one by one + Names starting with a lowercase character are reserved by this specification. OEM-specific names should not start with lowercase characters. diff --git a/drivers/fastboot/fb_command.c b/drivers/fastboot/fb_command.c index ab72d8c781..6f621df074 100644 --- a/drivers/fastboot/fb_command.c +++ b/drivers/fastboot/fb_command.c @@ -156,6 +156,9 @@ int fastboot_handle_command(char *cmd_string, char *response) void fastboot_multiresponse(int cmd, char *response) { switch (cmd) { + case FASTBOOT_COMMAND_GETVAR: + fastboot_getvar_all(response); + break; default: fastboot_fail("Unknown multiresponse command", response); break; diff --git a/drivers/fastboot/fb_getvar.c b/drivers/fastboot/fb_getvar.c index 8cb8ffa2c6..0307fdfece 100644 --- a/drivers/fastboot/fb_getvar.c +++ b/drivers/fastboot/fb_getvar.c @@ -29,53 +29,67 @@ static void getvar_is_userspace(char *var_parameter, char *response);
static const struct { const char *variable; + bool list; void (*dispatch)(char *var_parameter, char *response); } getvar_dispatch[] = { { .variable = "version", - .dispatch = getvar_version + .dispatch = getvar_version, + .list = true, }, { .variable = "version-bootloader", - .dispatch = getvar_version_bootloader + .dispatch = getvar_version_bootloader, + .list = true }, { .variable = "downloadsize", - .dispatch = getvar_downloadsize + .dispatch = getvar_downloadsize, + .list = true }, { .variable = "max-download-size", - .dispatch = getvar_downloadsize + .dispatch = getvar_downloadsize, + .list = true }, { .variable = "serialno", - .dispatch = getvar_serialno + .dispatch = getvar_serialno, + .list = true }, { .variable = "version-baseband", - .dispatch = getvar_version_baseband + .dispatch = getvar_version_baseband, + .list = true }, { .variable = "product", - .dispatch = getvar_product + .dispatch = getvar_product, + .list = true }, { .variable = "platform", - .dispatch = getvar_platform + .dispatch = getvar_platform, + .list = true }, { .variable = "current-slot", - .dispatch = getvar_current_slot + .dispatch = getvar_current_slot, + .list = true #if IS_ENABLED(CONFIG_FASTBOOT_FLASH) }, { .variable = "has-slot", - .dispatch = getvar_has_slot + .dispatch = getvar_has_slot, + .list = false #endif #if IS_ENABLED(CONFIG_FASTBOOT_FLASH_MMC) }, { .variable = "partition-type", - .dispatch = getvar_partition_type + .dispatch = getvar_partition_type, + .list = false #endif #if IS_ENABLED(CONFIG_FASTBOOT_FLASH) }, { .variable = "partition-size", - .dispatch = getvar_partition_size + .dispatch = getvar_partition_size, + .list = false #endif }, { .variable = "is-userspace", - .dispatch = getvar_is_userspace + .dispatch = getvar_is_userspace, + .list = true } };
@@ -237,6 +251,38 @@ static void getvar_is_userspace(char *var_parameter, char *response) fastboot_okay("no", response); }
+static int current_all_dispatch; +void fastboot_getvar_all(char *response) +{ + /* + * Find a dispatch getvar that can be listed and send + * it as INFO until we reach the end. + */ + while (current_all_dispatch < ARRAY_SIZE(getvar_dispatch)) { + if (!getvar_dispatch[current_all_dispatch].list) { + current_all_dispatch++; + continue; + } + + char envstr[FASTBOOT_RESPONSE_LEN] = { 0 }; + getvar_dispatch[current_all_dispatch].dispatch(NULL, envstr); + + char *envstr_start = envstr; + if (!strncmp("OKAY", envstr, 4) || !strncmp("FAIL", envstr, 4)) + envstr_start += 4; + + fastboot_response("INFO", response, "%s: %s", + getvar_dispatch[current_all_dispatch].variable, + envstr_start); + + current_all_dispatch++; + return; + } + + fastboot_response("OKAY", response, NULL); + current_all_dispatch = 0; +} + /** * fastboot_getvar() - Writes variable indicated by cmd_parameter to response. * @@ -254,6 +300,9 @@ void fastboot_getvar(char *cmd_parameter, char *response) { if (!cmd_parameter) { fastboot_fail("missing var", response); + } else if (!strncmp("all", cmd_parameter, 3) && strlen(cmd_parameter) == 3) { + current_all_dispatch = 0; + fastboot_response(FASTBOOT_MULTIRESPONSE_START, response, NULL); } else { #define FASTBOOT_ENV_PREFIX "fastboot." int i; diff --git a/include/fastboot-internal.h b/include/fastboot-internal.h index bf2f2b3c89..610d4f9141 100644 --- a/include/fastboot-internal.h +++ b/include/fastboot-internal.h @@ -18,6 +18,13 @@ extern u32 fastboot_buf_size; */ extern void (*fastboot_progress_callback)(const char *msg);
+/** + * fastboot_getvar_all() - Writes current variable being listed from "all" to response. + * + * @response: Pointer to fastboot response buffer + */ +void fastboot_getvar_all(char *response); + /** * fastboot_getvar() - Writes variable indicated by cmd_parameter to response. *