diff options
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 16 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/cse.h | 8 |
2 files changed, 24 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index 446c5ac4ba..9520242d2e 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -458,6 +458,22 @@ int heci_receive(void *buff, size_t *maxlen) return 0; } +int heci_send_receive(const void *snd_msg, size_t snd_sz, void *rcv_msg, size_t *rcv_sz) +{ + if (!heci_send(snd_msg, snd_sz, BIOS_HOST_ADDR, HECI_MKHI_ADDR)) { + printk(BIOS_ERR, "HECI: send Failed\n"); + return 0; + } + + if (rcv_msg != NULL) { + if (!heci_receive(rcv_msg, rcv_sz)) { + printk(BIOS_ERR, "HECI: receive Failed\n"); + return 0; + } + } + return 1; +} + /* * Attempt to reset the device. This is useful when host and ME are out * of sync during transmission or ME didn't understand the message. diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h index d7c4d9f93e..424d483cfa 100644 --- a/src/soc/intel/common/block/include/intelblocks/cse.h +++ b/src/soc/intel/common/block/include/intelblocks/cse.h @@ -37,6 +37,14 @@ int heci_receive(void *buff, size_t *maxlen); */ int heci_send(const void *msg, size_t len, uint8_t host_addr, uint8_t cse_addr); + +/* + * Sends snd_msg of size snd_sz, and reads message into buffer pointed by + * rcv_msg of size rcv_sz + * Returns 0 on failure a 1 on success. + */ +int heci_send_receive(const void *snd_msg, size_t snd_sz, void *rcv_msg, size_t *rcv_sz); + /* * Attempt device reset. This is useful and perhaps only thing left to do when * CPU and CSE are out of sync or CSE fails to respond. |