Add intel hardware assisted crc32c support
Not tested, since I don't have the hardware.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/verify.c b/verify.c
index afb4cb7..2aa5ab4 100644
--- a/verify.c
+++ b/verify.c
@@ -128,6 +128,7 @@
break;
case VERIFY_CRC32C:
case VERIFY_CRC32:
+ case VERIFY_CRC32C_INTEL:
len = sizeof(struct vhdr_crc32);
break;
case VERIFY_CRC16:
@@ -337,7 +338,10 @@
dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len);
- c = crc32c(p, hdr->len - hdr_size(hdr));
+ if (hdr->verify_type == VERIFY_CRC32C_INTEL)
+ c = crc32c_intel(p, hdr->len - hdr_size(hdr));
+ else
+ c = crc32c(p, hdr->len - hdr_size(hdr));
if (c != vh->crc32) {
log_err("crc32c: verify failed at %llu/%u\n",
@@ -466,6 +470,7 @@
ret = verify_io_u_crc64(hdr, io_u, hdr_num);
break;
case VERIFY_CRC32C:
+ case VERIFY_CRC32C_INTEL:
ret = verify_io_u_crc32c(hdr, io_u, hdr_num);
break;
case VERIFY_CRC32:
@@ -557,7 +562,10 @@
{
struct vhdr_crc32 *vh = hdr_priv(hdr);
- vh->crc32 = crc32c(p, len);
+ if (hdr->verify_type == VERIFY_CRC32C_INTEL)
+ vh->crc32 = crc32c_intel(p, len);
+ else
+ vh->crc32 = crc32c(p, len);
}
static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len)
@@ -618,6 +626,7 @@
fill_crc64(hdr, data, data_len);
break;
case VERIFY_CRC32C:
+ case VERIFY_CRC32C_INTEL:
dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n",
io_u, hdr->len);
fill_crc32c(hdr, data, data_len);