+++ /dev/null
-/*
- * Note: This is similar to a very basic setup
- * of ZBD devices
- *
- * Specify fdp=1 (With char devices /dev/ng0n1)
- */
-
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "file.h"
-#include "fio.h"
-
-#include "pshared.h"
-#include "fdp.h"
-
-static int fdp_ruh_info(struct thread_data *td, struct fio_file *f,
- struct fio_ruhs_info *ruhs)
-{
- int ret = -EINVAL;
-
- if (!td->io_ops) {
- log_err("fio: no ops set in fdp init?!\n");
- return ret;
- }
-
- if (td->io_ops->fdp_fetch_ruhs) {
- ret = td->io_ops->fdp_fetch_ruhs(td, f, ruhs);
- if (ret < 0) {
- td_verror(td, errno, "fdp fetch ruhs failed");
- log_err("%s: fdp fetch ruhs failed (%d)\n",
- f->file_name, errno);
- }
- } else {
- log_err("%s: engine (%s) lacks fetch ruhs\n",
- f->file_name, td->io_ops->name);
- }
-
- return ret;
-}
-
-static int init_ruh_info(struct thread_data *td, struct fio_file *f)
-{
- struct fio_ruhs_info *ruhs, *tmp;
- int i, ret;
-
- ruhs = scalloc(1, sizeof(*ruhs) + 128 * sizeof(*ruhs->plis));
- if (!ruhs)
- return -ENOMEM;
-
- ret = fdp_ruh_info(td, f, ruhs);
- if (ret) {
- log_info("fio: ruh info failed for %s (%d)\n",
- f->file_name, -ret);
- goto out;
- }
-
- if (ruhs->nr_ruhs > 128)
- ruhs->nr_ruhs = 128;
-
- if (td->o.fdp_nrpli == 0) {
- f->ruhs_info = ruhs;
- return 0;
- }
-
- for (i = 0; i < td->o.fdp_nrpli; i++) {
- if (td->o.fdp_plis[i] > ruhs->nr_ruhs) {
- ret = -EINVAL;
- goto out;
- }
- }
-
- tmp = scalloc(1, sizeof(*tmp) + ruhs->nr_ruhs * sizeof(*tmp->plis));
- if (!tmp) {
- ret = -ENOMEM;
- goto out;
- }
-
- tmp->nr_ruhs = td->o.fdp_nrpli;
- for (i = 0; i < td->o.fdp_nrpli; i++)
- tmp->plis[i] = ruhs->plis[td->o.fdp_plis[i]];
- f->ruhs_info = tmp;
-out:
- sfree(ruhs);
- return ret;
-}
-
-int fdp_init(struct thread_data *td)
-{
- struct fio_file *f;
- int i, ret = 0;
-
- for_each_file(td, f, i) {
- ret = init_ruh_info(td, f);
- if (ret)
- break;
- }
- return ret;
-}
-
-void fdp_free_ruhs_info(struct fio_file *f)
-{
- if (!f->ruhs_info)
- return;
- sfree(f->ruhs_info);
- f->ruhs_info = NULL;
-}
-
-void fdp_fill_dspec_data(struct thread_data *td, struct io_u *io_u)
-{
- struct fio_file *f = io_u->file;
- struct fio_ruhs_info *ruhs = f->ruhs_info;
- int dspec;
-
- if (!ruhs || io_u->ddir != DDIR_WRITE) {
- io_u->dtype = 0;
- io_u->dspec = 0;
- return;
- }
-
- dspec = ruhs->plis[ruhs->pli_loc++ % ruhs->nr_ruhs];
- io_u->dtype = 2;
- io_u->dspec = dspec;
-}