diff options
Diffstat (limited to 'api/api.c')
-rw-r--r-- | api/api.c | 59 |
1 files changed, 38 insertions, 21 deletions
@@ -295,27 +295,31 @@ static int API_dev_close(va_list ap) /* - * Notice: this is for sending network packets only, as U-Boot does not - * support writing to storage at the moment (12.2007) - * * pseudo signature: * * int API_dev_write( * struct device_info *di, * void *buf, - * int *len + * int *len, + * unsigned long *start * ) * * buf: ptr to buffer from where to get the data to send * - * len: length of packet to be sent (in bytes) + * len: ptr to length to be read + * - network: len of packet to be sent (in bytes) + * - storage: # of blocks to write (can vary in size depending on define) * + * start: ptr to start block (only used for storage devices, ignored for + * network) */ static int API_dev_write(va_list ap) { struct device_info *di; void *buf; - int *len; + lbasize_t *len_stor, act_len_stor; + lbastart_t *start; + int *len_net; int err = 0; /* 1. arg is ptr to the device_info struct */ @@ -333,23 +337,36 @@ static int API_dev_write(va_list ap) if (buf == NULL) return API_EINVAL; - /* 3. arg is length of buffer */ - len = (int *)va_arg(ap, uintptr_t); - if (len == NULL) - return API_EINVAL; - if (*len <= 0) - return API_EINVAL; + if (di->type & DEV_TYP_STOR) { + /* 3. arg - ptr to var with # of blocks to write */ + len_stor = (lbasize_t *)va_arg(ap, uintptr_t); + if (!len_stor) + return API_EINVAL; + if (*len_stor <= 0) + return API_EINVAL; - if (di->type & DEV_TYP_STOR) - /* - * write to storage is currently not supported by U-Boot: - * no storage device implements block_write() method - */ - return API_ENODEV; + /* 4. arg - ptr to var with start block */ + start = (lbastart_t *)va_arg(ap, uintptr_t); - else if (di->type & DEV_TYP_NET) - err = dev_write_net(di->cookie, buf, *len); - else + act_len_stor = dev_write_stor(di->cookie, buf, *len_stor, *start); + if (act_len_stor != *len_stor) { + debugf("write @ %llu: done %llu out of %llu blocks", + (uint64_t)blk, (uint64_t)act_len_stor, + (uint64_t)len_stor); + return API_EIO; + } + + } else if (di->type & DEV_TYP_NET) { + /* 3. arg points to the var with length of packet to write */ + len_net = (int *)va_arg(ap, uintptr_t); + if (!len_net) + return API_EINVAL; + if (*len_net <= 0) + return API_EINVAL; + + err = dev_write_net(di->cookie, buf, *len_net); + + } else err = API_ENODEV; return err; |