X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=verify.c;h=2aa5ab40e5674c4bb1f10f07697adaa05492ff56;hp=0bb348ff996995750cc797eca653f5567160e980;hb=f0d524b045ceef3454cbc66dbfe8ea51db298a62;hpb=5ec10eaad3b09875b91e19a20bbdfa06f2117562

diff --git a/verify.c b/verify.c
index 0bb348ff..2aa5ab40 100644
--- a/verify.c
+++ b/verify.c
@@ -11,6 +11,7 @@
 #include "crc/md5.h"
 #include "crc/crc64.h"
 #include "crc/crc32.h"
+#include "crc/crc32c.h"
 #include "crc/crc16.h"
 #include "crc/crc7.h"
 #include "crc/sha256.h"
@@ -112,7 +113,7 @@ static void hexdump(void *buffer, int len)
  */
 static inline unsigned int __hdr_size(int verify_type)
 {
-	unsigned int len;
+	unsigned int len = len;
 
 	switch (verify_type) {
 	case VERIFY_NONE:
@@ -125,7 +126,9 @@ static inline unsigned int __hdr_size(int verify_type)
 	case VERIFY_CRC64:
 		len = sizeof(struct vhdr_crc64);
 		break;
+	case VERIFY_CRC32C:
 	case VERIFY_CRC32:
+	case VERIFY_CRC32C_INTEL:
 		len = sizeof(struct vhdr_crc32);
 		break;
 	case VERIFY_CRC16:
@@ -326,6 +329,30 @@ static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u,
 	return 0;
 }
 
+static int verify_io_u_crc32c(struct verify_header *hdr, struct io_u *io_u,
+			      unsigned int header_num)
+{
+	void *p = io_u_verify_off(hdr, io_u, header_num);
+	struct vhdr_crc32 *vh = hdr_priv(hdr);
+	uint32_t c;
+
+	dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len);
+
+	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",
+				io_u->offset + header_num * hdr->len, hdr->len);
+		log_err("crc32c: wanted %x, got %x\n", vh->crc32, c);
+		return EIO;
+	}
+
+	return 0;
+}
+
 static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u,
 			   unsigned int header_num)
 {
@@ -442,6 +469,10 @@ int verify_io_u(struct thread_data *td, struct io_u *io_u)
 		case VERIFY_CRC64:
 			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:
 			ret = verify_io_u_crc32(hdr, io_u, hdr_num);
 			break;
@@ -527,6 +558,16 @@ static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len)
 	vh->crc32 = crc32(p, len);
 }
 
+static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len)
+{
+	struct vhdr_crc32 *vh = hdr_priv(hdr);
+
+	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)
 {
 	struct vhdr_crc64 *vh = hdr_priv(hdr);
@@ -584,6 +625,12 @@ void populate_verify_io_u(struct thread_data *td, struct io_u *io_u)
 							io_u, hdr->len);
 			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);
+			break;
 		case VERIFY_CRC32:
 			dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n",
 							io_u, hdr->len);
@@ -639,9 +686,9 @@ int get_next_verify(struct thread_data *td, struct io_u *io_u)
 
 		ipo = rb_entry(n, struct io_piece, rb_node);
 		rb_erase(n, &td->io_hist_tree);
-	} else if (!list_empty(&td->io_hist_list)) {
-		ipo = list_entry(td->io_hist_list.next, struct io_piece, list);
-		list_del(&ipo->list);
+	} else if (!flist_empty(&td->io_hist_list)) {
+		ipo = flist_entry(td->io_hist_list.next, struct io_piece, list);
+		flist_del(&ipo->list);
 	}
 
 	if (ipo) {