diff options
| -rw-r--r-- | util/comm-host.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/util/comm-host.c b/util/comm-host.c index 3f8c70a4e7..a79a34a385 100644 --- a/util/comm-host.c +++ b/util/comm-host.c @@ -6,6 +6,7 @@ #include <errno.h> #include <stdint.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> #include "comm-host.h" @@ -76,6 +77,8 @@ int ec_command(int command, int version, int comm_init(int interfaces) { + struct ec_response_get_protocol_info info; + /* Default memmap access */ ec_readmem = fake_readmem; @@ -104,6 +107,23 @@ int comm_init(int interfaces) return 1; } + /* read max request / response size from ec for protocol v3+ */ + if (ec_command(EC_CMD_GET_PROTOCOL_INFO, 0, NULL, 0, &info, + sizeof(info)) == sizeof(info)) { + ec_max_outsize = info.max_request_packet_size - + sizeof(struct ec_host_request); + ec_max_insize = info.max_response_packet_size - + sizeof(struct ec_host_response); + + ec_outbuf = realloc(ec_outbuf, ec_max_outsize); + ec_inbuf = realloc(ec_inbuf, ec_max_insize); + + if (!ec_outbuf || !ec_inbuf) { + fprintf(stderr, "Unable to reallocate buffers\n"); + return 1; + } + } + return 0; } |