search for: flash_map

Displaying 2 results from an estimated 2 matches for "flash_map".

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2020 Sep 28
0
[RFC PATCH 15/19] tools/vhost-user-rpmb: implement VIRTIO_RPMB_REQ_DATA_WRITE
...cated write request >> + * so the counter can incremented and we can attempt to >> + * update the backing device. >> + */ >> + r->write_count++; >> + for (i = 0; i < block_count; i++) { >> + void *blk = r->flash_map + offset; >> + g_debug("%s: writing block %d", __func__, i); >> + if (mprotect(blk, RPMB_BLOCK_SIZE, PROT_WRITE) != 0) { >> + r->last_result = VIRTIO_RPMB_RES_WRITE_FAILURE; >> + break; >> + }...
2020 Sep 25
20
[RFC PATCH 00/19] vhost-user-rpmb (Replay Protected Memory Block)
Hi, This is an initial implementation of a vhost-user backend for the VirtIO RPMB device. The device is currently in the draft of the next VirtIO specification and describes block device which uses combination of a key, nonce, hashing and a persistent write counter to prevent replay attacks (hence Replay Protected Memory Block). It is implemented as a vhost-user device because we want to