X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=verify.c;h=0d38c0e92e77444d49e3d1906a37c210325c9bb6;hp=5621db2a5b222e2b00afa354382ca38ee84a1cb7;hb=572cfb3f4d2cbf22291b395f2bb41facdc17ce86;hpb=65d0a0aa0c4e5ed39b804f5f83d311093af798c5

diff --git a/verify.c b/verify.c
index 5621db2a..0d38c0e9 100644
--- a/verify.c
+++ b/verify.c
@@ -10,9 +10,9 @@
 
 #include "fio.h"
 #include "verify.h"
-#include "smalloc.h"
 #include "trim.h"
 #include "lib/rand.h"
+#include "lib/hweight.h"
 
 #include "crc/md5.h"
 #include "crc/crc64.h"
@@ -78,7 +78,7 @@ static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u)
 	unsigned int hdr_inc;
 
 	hdr_inc = io_u->buflen;
-	if (td->o.verify_interval)
+	if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen)
 		hdr_inc = td->o.verify_interval;
 
 	return hdr_inc;
@@ -124,7 +124,7 @@ static void hexdump(void *buffer, int len)
 }
 
 /*
- * Prepare for seperation of verify_header and checksum header
+ * Prepare for separation of verify_header and checksum header
  */
 static inline unsigned int __hdr_size(int verify_type)
 {
@@ -273,6 +273,7 @@ static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc)
 	dummy.buf = buf;
 	dummy.rand_seed = hdr->rand_seed;
 	dummy.buf_filled_len = 0;
+	dummy.buflen = io_u->buflen;
 
 	fill_pattern_headers(td, &dummy, hdr->rand_seed, 1);
 
@@ -308,14 +309,6 @@ static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc)
 	return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr);
 }
 
-static unsigned int hweight8(unsigned int w)
-{
-	unsigned int res = w - ((w >> 1) & 0x55);
-
-	res = (res & 0x33) + ((res >> 2) & 0x33);
-	return (res + (res >> 4)) & 0x0F;
-}
-
 static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc)
 {
 	struct thread_data *td = vc->td;
@@ -603,8 +596,7 @@ int verify_io_u_async(struct thread_data *td, struct io_u *io_u)
 		td->cur_depth--;
 		io_u->flags &= ~IO_U_F_IN_CUR_DEPTH;
 	}
-	flist_del(&io_u->list);
-	flist_add_tail(&io_u->list, &td->verify_list);
+	flist_add_tail(&io_u->verify_list, &td->verify_list);
 	io_u->flags |= IO_U_F_FREE_DEF;
 	pthread_mutex_unlock(&td->io_u_lock);
 
@@ -646,13 +638,17 @@ static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u)
 	return ret;
 }
 
-static int verify_header(struct verify_header *hdr)
+static int verify_header(struct io_u *io_u, struct verify_header *hdr)
 {
 	void *p = hdr;
 	uint32_t crc;
 
 	if (hdr->magic != FIO_HDR_MAGIC)
 		return 0;
+	if (hdr->len > io_u->buflen) {
+		log_err("fio: verify header exceeds buffer length (%u > %lu)\n", hdr->len, io_u->buflen);
+		return 0;
+	}
 
 	crc = fio_crc32c(p, offsetof(struct verify_header, crc32));
 	if (crc == hdr->crc32)
@@ -686,6 +682,7 @@ int verify_io_u(struct thread_data *td, struct io_u *io_u)
 			.hdr_num	= hdr_num,
 			.td		= td,
 		};
+		unsigned int verify_type;
 
 		if (ret && td->o.verify_fatal)
 			break;
@@ -695,7 +692,7 @@ int verify_io_u(struct thread_data *td, struct io_u *io_u)
 			memswp(p, p + td->o.verify_offset, header_size);
 		hdr = p;
 
-		if (!verify_header(hdr)) {
+		if (!verify_header(io_u, hdr)) {
 			log_err("verify: bad magic header %x, wanted %x at "
 				"file %s offset %llu, length %u\n",
 				hdr->magic, FIO_HDR_MAGIC,
@@ -704,7 +701,12 @@ int verify_io_u(struct thread_data *td, struct io_u *io_u)
 			return EILSEQ;
 		}
 
-		switch (hdr->verify_type) {
+		if (td->o.verify != VERIFY_NONE)
+			verify_type = td->o.verify;
+		else
+			verify_type = hdr->verify_type;
+
+		switch (verify_type) {
 		case VERIFY_MD5:
 			ret = verify_io_u_md5(hdr, &vc);
 			break;
@@ -743,6 +745,10 @@ int verify_io_u(struct thread_data *td, struct io_u *io_u)
 			log_err("Bad verify type %u\n", hdr->verify_type);
 			ret = EINVAL;
 		}
+
+		if (ret && verify_type != hdr->verify_type)
+			log_err("fio: verify type mismatch (%u media, %u given)\n",
+					hdr->verify_type, verify_type);
 	}
 
 done:
@@ -969,6 +975,7 @@ int get_next_verify(struct thread_data *td, struct io_u *io_u)
 		io_u->offset = ipo->offset;
 		io_u->buflen = ipo->len;
 		io_u->file = ipo->file;
+		io_u->flags |= IO_U_F_VER_LIST;
 
 		if (ipo->flags & IP_F_TRIMMED)
 			io_u->flags |= IO_U_F_TRIMMED;
@@ -999,6 +1006,14 @@ int get_next_verify(struct thread_data *td, struct io_u *io_u)
 	return 1;
 }
 
+void fio_verify_init(struct thread_data *td)
+{
+	if (td->o.verify == VERIFY_CRC32C_INTEL ||
+	    td->o.verify == VERIFY_CRC32C) {
+		crc32c_intel_probe();
+	}
+}
+
 static void *verify_async_thread(void *data)
 {
 	struct thread_data *td = data;
@@ -1037,15 +1052,14 @@ static void *verify_async_thread(void *data)
 			continue;
 
 		while (!flist_empty(&list)) {
-			io_u = flist_entry(list.next, struct io_u, list);
-			flist_del_init(&io_u->list);
+			io_u = flist_entry(list.next, struct io_u, verify_list);
+			flist_del(&io_u->verify_list);
 
 			ret = verify_io_u(td, io_u);
 			put_io_u(td, io_u);
 			if (!ret)
 				continue;
-			if (td->o.continue_on_error & ERROR_TYPE_VERIFY &&
-			    td_non_fatal_error(ret)) {
+			if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) {
 				update_error_count(td, ret);
 				td_clear_error(td);
 				ret = 0;