First cut at supporting IO offload

[fio.git] / options.c

diff --git a/options.c b/options.c
index 017920e14031357e9ae2aae6dca977b64ced62fc..b34e2c72dc3a91e6fe1b15216b0d708d9badb57c 100644 (file)
--- a/options.c
+++ b/options.c
@@ -1622,6 +1622,26 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_IO_BASIC,
        },
+       {
+               .name   = "io_submit_mode",
+               .lname  = "IO submit mode",
+               .type   = FIO_OPT_STR,
+               .off1   = td_var_offset(io_submit_mode),
+               .help   = "How IO submissions and completions are done",
+               .def    = "inline",
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_IO_BASIC,
+               .posval = {
+                         { .ival = "inline",
+                           .oval = IO_MODE_INLINE,
+                           .help = "Submit and complete IO inline",
+                         },
+                         { .ival = "offload",
+                           .oval = IO_MODE_OFFLOAD,
+                           .help = "Offload submit and complete to threads",
+                         },
+               },
+       },
        {
                .name   = "size",
                .lname  = "Size",