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DM: Remove dead code wrapped by #if 0

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Signed-off-by: Kaige Fu <kaige.fu@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Kaige Fu 2018-05-29 16:04:38 +08:00 committed by lijinxia
parent 37e664db0a
commit 39cce18de7
1 changed files with 0 additions and 94 deletions
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94
devicemodel/hw/pci/virtio/virtio_rpmb.c
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@ -390,100 +390,6 @@ rpmb_get_counter(__u8 mode, __u8 *key, __u32 *counter, __u16 *result)
return rc;
}
/* TODO: this function will be used for AttKB */
#if 0
static int
rpmb_write_block(__u8 mode, __u8 *key, __u16 addr, void *buf, __u32 count)
{
int rc;
int fd;
__u32 i;
__u32 write_counter;
__u16 result;
struct {
struct rpmb_ioc_seq_cmd h;
struct rpmb_ioc_cmd cmd[3];
} iseq = {};
struct rpmb_frame frame_write;
struct rpmb_frame frame_rel[count];
struct rpmb_frame frame_read;
if (!buf || count == 0) {
DPRINTF(("%s:buf or count is invalid!\n", __func__));
return -1;
}
rc = rpmb_get_counter(mode, key, &write_counter, &result);
if (rc) {
DPRINTF(("%s: virtio_rpmb_get_counter failed\n", __func__));
return -1;
}
/*fill write frame*/
frame_write.addr = swap16(addr);
frame_write.req_resp = swap16(RPMB_REQ_RESULT_READ);
frame_write.write_counter = swap32(write_counter);
/*fill rel write frame*/
for (i = 0; i < count; i++) {
memset(&frame_rel[i], 0, sizeof(frame_rel[i]));
memcpy(frame_rel[i].data, buf + i * sizeof(frame_rel[i].data), sizeof(frame_rel[i].data));
frame_rel[i].write_counter = swap32(write_counter);
frame_rel[i].addr = swap16(addr);
frame_rel[i].block_count = swap16(count);
frame_rel[i].req_resp = swap16(RPMB_REQ_DATA_WRITE);
}
/*generate rel frame mac*/
if (rpmb_mac(key, frame_rel, count, frame_rel[count - 1].key_mac)) {
DPRINTF(("%s: rel frame rpmb mac failed\n", __func__));
return -1;
}
/*fill io cmd*/
iseq.cmd[0].flags = RPMB_F_WRITE | RPMB_F_REL_WRITE;
iseq.cmd[0].nframes = count;
iseq.cmd[0].frames_ptr = (__aligned_u64)(intptr_t)(frame_rel);
iseq.cmd[1].flags = RPMB_F_WRITE;
iseq.cmd[1].nframes = 1;
iseq.cmd[1].frames_ptr = (__aligned_u64)(intptr_t)(&frame_write);
iseq.cmd[2].flags = 0;
iseq.cmd[2].nframes = 1;
iseq.cmd[2].frames_ptr = (__aligned_u64)(intptr_t)(&frame_read);
iseq.h.num_of_cmds = 3;
if (mode == RPMB_PHY_MODE) {
/* open rpmb device.*/
fd = open(RPMB_PHY_PATH_NAME, O_RDWR | O_NONBLOCK);
if (fd < 0) {
DPRINTF(("failed to open %s for read blocks.\n", RPMB_PHY_PATH_NAME));
return fd;
}
/* send ioctl cmd.*/
rc = ioctl(fd, RPMB_IOC_SEQ_CMD, &iseq);
/* close rpmb device.*/
close(fd);
if (rc) {
DPRINTF(("read blocks for physical rpmb failed.\n"));
return rc;
}
} else {
rc = rpmb_sim_send(&iseq);
if (rc) {
DPRINTF(("read blocks for simulated rpmb failed.\n"));
return rc;
}
}
rc = rpmb_check_response("write blocks", RPMB_RESP_DATA_WRITE,
&frame_read, 1, key, NULL, &addr);
return rc;
}
#endif
static int
rpmb_read_block(__u8 mode, __u8 *key, __u16 addr, void *buf, __u32 count)
{