#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
-#include <assert.h>
#include <sys/poll.h>
#include "../fio.h"
+#include "../optgroup.h"
#ifdef FIO_HAVE_SGIO
+
+struct sg_options {
+ void *pad;
+ unsigned int readfua;
+ unsigned int writefua;
+};
+
+static struct fio_option options[] = {
+ {
+ .name = "readfua",
+ .lname = "sg engine read fua flag support",
+ .type = FIO_OPT_BOOL,
+ .off1 = offsetof(struct sg_options, readfua),
+ .help = "Set FUA flag (force unit access) for all Read operations",
+ .def = "0",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_SG,
+ },
+ {
+ .name = "writefua",
+ .lname = "sg engine write fua flag support",
+ .type = FIO_OPT_BOOL,
+ .off1 = offsetof(struct sg_options, writefua),
+ .help = "Set FUA flag (force unit access) for all Write operations",
+ .def = "0",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_SG,
+ },
+ {
+ .name = NULL,
+ },
+};
+
#define MAX_10B_LBA 0xFFFFFFFFULL
#define SCSI_TIMEOUT_MS 30000 // 30 second timeout; currently no method to override
#define MAX_SB 64 // sense block maximum return size
static int fio_sgio_prep(struct thread_data *td, struct io_u *io_u)
{
struct sg_io_hdr *hdr = &io_u->hdr;
+ struct sg_options *o = td->eo;
struct sgio_data *sd = td->io_ops_data;
long long nr_blocks, lba;
hdr->cmdp[0] = 0x28; // read(10)
else
hdr->cmdp[0] = 0x88; // read(16)
+
+ if (o->readfua)
+ hdr->cmdp[1] |= 0x08;
+
} else if (io_u->ddir == DDIR_WRITE) {
sgio_hdr_init(sd, hdr, io_u, 1);
hdr->cmdp[0] = 0x2a; // write(10)
else
hdr->cmdp[0] = 0x8a; // write(16)
+
+ if (o->writefua)
+ hdr->cmdp[1] |= 0x08;
+
} else {
sgio_hdr_init(sd, hdr, io_u, 0);
hdr->dxfer_direction = SG_DXFER_NONE;
.close_file = generic_close_file,
.get_file_size = fio_sgio_get_file_size,
.flags = FIO_SYNCIO | FIO_RAWIO,
+ .options = options,
+ .option_struct_size = sizeof(struct sg_options)
};
#else /* FIO_HAVE_SGIO */