io_uring: Add .errdetails to parse CQ status

engines/io_uring.c

@@ -554,6 +554,39 @@ static struct io_u *fio_ioring_cmd_event(struct thread_data *td, int event)
 	return io_u;
 }
 
+static char *fio_ioring_cmd_errdetails(struct thread_data *td,
+				       struct io_u *io_u)
+{
+	struct ioring_options *o = td->eo;
+	unsigned int sct = (io_u->error >> 8) & 0x7;
+	unsigned int sc = io_u->error & 0xff;
+#define MAXERRDETAIL 1024
+#define MAXMSGCHUNK 128
+	char *msg, msgchunk[MAXMSGCHUNK];
+
+	msg = calloc(1, MAXERRDETAIL);
+	strcpy(msg, "io_uring_cmd: ");
+
+	snprintf(msgchunk, MAXMSGCHUNK, "%s: ", io_u->file->file_name);
+	strlcat(msg, msgchunk, MAXERRDETAIL);
+
+	if (o->cmd_type == FIO_URING_CMD_NVME) {
+		strlcat(msg, "cq entry status (", MAXERRDETAIL);
+
+		snprintf(msgchunk, MAXMSGCHUNK, "sct=0x%02x; ", sct);
+		strlcat(msg, msgchunk, MAXERRDETAIL);
+
+		snprintf(msgchunk, MAXMSGCHUNK, "sc=0x%02x)", sc);
+		strlcat(msg, msgchunk, MAXERRDETAIL);
+	} else {
+		/* Print status code in generic */
+		snprintf(msgchunk, MAXMSGCHUNK, "status=0x%x", io_u->error);
+		strlcat(msg, msgchunk, MAXERRDETAIL);
+	}
+
+	return msg;
+}
+
 static int fio_ioring_cqring_reap(struct thread_data *td, unsigned int events,
 				   unsigned int max)
 {
@@ -1590,6 +1623,7 @@ static struct ioengine_ops ioengine_uring_cmd = {
 	.commit			= fio_ioring_commit,
 	.getevents		= fio_ioring_getevents,
 	.event			= fio_ioring_cmd_event,
+	.errdetails		= fio_ioring_cmd_errdetails,
 	.cleanup		= fio_ioring_cleanup,
 	.open_file		= fio_ioring_cmd_open_file,
 	.close_file		= fio_ioring_cmd_close_file,

engines/librpma_fio.c

@@ -790,7 +790,7 @@ struct io_u *librpma_fio_client_event(struct thread_data *td, int event)
 	return io_u;
 }
 
-char *librpma_fio_client_errdetails(struct io_u *io_u)
+char *librpma_fio_client_errdetails(struct thread_data *td, struct io_u *io_u)
 {
 	/* get the string representation of an error */
 	enum ibv_wc_status status = io_u->error;

engines/librpma_fio.h

@@ -162,7 +162,7 @@ int librpma_fio_client_getevents(struct thread_data *td, unsigned int min,
 
 struct io_u *librpma_fio_client_event(struct thread_data *td, int event);
 
-char *librpma_fio_client_errdetails(struct io_u *io_u);
+char *librpma_fio_client_errdetails(struct thread_data *td, struct io_u *io_u);
 
 static inline int librpma_fio_client_io_read(struct thread_data *td,
 		struct io_u *io_u, int flags)

engines/sg.c

@@ -1154,7 +1154,7 @@ int fio_sgio_close(struct thread_data *td, struct fio_file *f)
  * Build an error string with details about the driver, host or scsi
  * error contained in the sg header Caller will use as necessary.
  */
-static char *fio_sgio_errdetails(struct io_u *io_u)
+static char *fio_sgio_errdetails(struct thread_data *td, struct io_u *io_u)
 {
 	struct sg_io_hdr *hdr = &io_u->hdr;
 #define MAXERRDETAIL 1024

io_u.c

@@ -1963,7 +1963,7 @@ static void __io_u_log_error(struct thread_data *td, struct io_u *io_u)
 	zbd_log_err(td, io_u);
 
 	if (td->io_ops->errdetails) {
-		char *err = td->io_ops->errdetails(io_u);
+		char *err = td->io_ops->errdetails(td, io_u);
 
 		log_err("fio: %s\n", err);
 		free(err);

ioengines.h

@@ -9,7 +9,7 @@
 #include "zbd_types.h"
 #include "dataplacement.h"
 
-#define FIO_IOOPS_VERSION	35
+#define FIO_IOOPS_VERSION	36
 
 #ifndef CONFIG_DYNAMIC_ENGINES
 #define FIO_STATIC	static
@@ -40,7 +40,7 @@ struct ioengine_ops {
 	int (*commit)(struct thread_data *);
 	int (*getevents)(struct thread_data *, unsigned int, unsigned int, const struct timespec *);
 	struct io_u *(*event)(struct thread_data *, int);
-	char *(*errdetails)(struct io_u *);
+	char *(*errdetails)(struct thread_data *, struct io_u *);
 	int (*cancel)(struct thread_data *, struct io_u *);
 	void (*cleanup)(struct thread_data *);
 	int (*open_file)(struct thread_data *, struct fio_file *);