#include "../optgroup.h"
#include "../lib/memalign.h"
#include "../lib/fls.h"
+#include "../lib/roundup.h"
#ifdef ARCH_HAVE_IOURING
#include "../lib/types.h"
#include "../os/linux/io_uring.h"
+#include "cmdprio.h"
+#include "nvme.h"
+
+#include <sys/stat.h>
+
+enum uring_cmd_type {
+ FIO_URING_CMD_NVME = 1,
+};
struct io_sq_ring {
unsigned *head;
int queued;
int cq_ring_off;
unsigned iodepth;
- bool ioprio_class_set;
- bool ioprio_set;
+ int prepped;
struct ioring_mmap mmap[3];
+
+ struct cmdprio cmdprio;
};
struct ioring_options {
- void *pad;
+ struct thread_data *td;
unsigned int hipri;
- unsigned int cmdprio_percentage;
+ struct cmdprio_options cmdprio_options;
unsigned int fixedbufs;
unsigned int registerfiles;
unsigned int sqpoll_thread;
unsigned int nonvectored;
unsigned int uncached;
unsigned int nowait;
+ unsigned int force_async;
+ enum uring_cmd_type cmd_type;
};
static const int ddir_to_op[2][2] = {
.name = "cmdprio_percentage",
.lname = "high priority percentage",
.type = FIO_OPT_INT,
- .off1 = offsetof(struct ioring_options, cmdprio_percentage),
- .minval = 1,
+ .off1 = offsetof(struct ioring_options,
+ cmdprio_options.percentage[DDIR_READ]),
+ .off2 = offsetof(struct ioring_options,
+ cmdprio_options.percentage[DDIR_WRITE]),
+ .minval = 0,
.maxval = 100,
.help = "Send high priority I/O this percentage of the time",
.category = FIO_OPT_C_ENGINE,
.group = FIO_OPT_G_IOURING,
},
+ {
+ .name = "cmdprio_class",
+ .lname = "Asynchronous I/O priority class",
+ .type = FIO_OPT_INT,
+ .off1 = offsetof(struct ioring_options,
+ cmdprio_options.class[DDIR_READ]),
+ .off2 = offsetof(struct ioring_options,
+ cmdprio_options.class[DDIR_WRITE]),
+ .help = "Set asynchronous IO priority class",
+ .minval = IOPRIO_MIN_PRIO_CLASS + 1,
+ .maxval = IOPRIO_MAX_PRIO_CLASS,
+ .interval = 1,
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_IOURING,
+ },
+ {
+ .name = "cmdprio",
+ .lname = "Asynchronous I/O priority level",
+ .type = FIO_OPT_INT,
+ .off1 = offsetof(struct ioring_options,
+ cmdprio_options.level[DDIR_READ]),
+ .off2 = offsetof(struct ioring_options,
+ cmdprio_options.level[DDIR_WRITE]),
+ .help = "Set asynchronous IO priority level",
+ .minval = IOPRIO_MIN_PRIO,
+ .maxval = IOPRIO_MAX_PRIO,
+ .interval = 1,
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_IOURING,
+ },
+ {
+ .name = "cmdprio_bssplit",
+ .lname = "Priority percentage block size split",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = offsetof(struct ioring_options,
+ cmdprio_options.bssplit_str),
+ .help = "Set priority percentages for different block sizes",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_IOURING,
+ },
#else
{
.name = "cmdprio_percentage",
.type = FIO_OPT_UNSUPPORTED,
.help = "Your platform does not support I/O priority classes",
},
+ {
+ .name = "cmdprio_class",
+ .lname = "Asynchronous I/O priority class",
+ .type = FIO_OPT_UNSUPPORTED,
+ .help = "Your platform does not support I/O priority classes",
+ },
+ {
+ .name = "cmdprio",
+ .lname = "Asynchronous I/O priority level",
+ .type = FIO_OPT_UNSUPPORTED,
+ .help = "Your platform does not support I/O priority classes",
+ },
+ {
+ .name = "cmdprio_bssplit",
+ .lname = "Priority percentage block size split",
+ .type = FIO_OPT_UNSUPPORTED,
+ .help = "Your platform does not support I/O priority classes",
+ },
#endif
{
.name = "fixedbufs",
{
.name = "sqthread_poll",
.lname = "Kernel SQ thread polling",
- .type = FIO_OPT_INT,
+ .type = FIO_OPT_STR_SET,
.off1 = offsetof(struct ioring_options, sqpoll_thread),
.help = "Offload submission/completion to kernel thread",
.category = FIO_OPT_C_ENGINE,
.lname = "Non-vectored",
.type = FIO_OPT_INT,
.off1 = offsetof(struct ioring_options, nonvectored),
+ .def = "-1",
.help = "Use non-vectored read/write commands",
.category = FIO_OPT_C_ENGINE,
.group = FIO_OPT_G_IOURING,
.category = FIO_OPT_C_ENGINE,
.group = FIO_OPT_G_IOURING,
},
+ {
+ .name = "force_async",
+ .lname = "Force async",
+ .type = FIO_OPT_INT,
+ .off1 = offsetof(struct ioring_options, force_async),
+ .help = "Set IOSQE_ASYNC every N requests",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_IOURING,
+ },
+ {
+ .name = "cmd_type",
+ .lname = "Uring cmd type",
+ .type = FIO_OPT_STR,
+ .off1 = offsetof(struct ioring_options, cmd_type),
+ .help = "Specify uring-cmd type",
+ .def = "nvme",
+ .posval = {
+ { .ival = "nvme",
+ .oval = FIO_URING_CMD_NVME,
+ .help = "Issue nvme-uring-cmd",
+ },
+ },
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_IOURING,
+ },
{
.name = NULL,
},
static int io_uring_enter(struct ioring_data *ld, unsigned int to_submit,
unsigned int min_complete, unsigned int flags)
{
+#ifdef FIO_ARCH_HAS_SYSCALL
+ return __do_syscall6(__NR_io_uring_enter, ld->ring_fd, to_submit,
+ min_complete, flags, NULL, 0);
+#else
return syscall(__NR_io_uring_enter, ld->ring_fd, to_submit,
min_complete, flags, NULL, 0);
+#endif
}
static int fio_ioring_prep(struct thread_data *td, struct io_u *io_u)
sqe = &ld->sqes[io_u->index];
- /* zero out fields not used in this submission */
- memset(sqe, 0, sizeof(*sqe));
-
if (o->registerfiles) {
sqe->fd = f->engine_pos;
sqe->flags = IOSQE_FIXED_FILE;
} else {
sqe->fd = f->fd;
+ sqe->flags = 0;
}
if (io_u->ddir == DDIR_READ || io_u->ddir == DDIR_WRITE) {
sqe->len = io_u->xfer_buflen;
sqe->buf_index = io_u->index;
} else {
+ struct iovec *iov = &ld->iovecs[io_u->index];
+
+ /*
+ * Update based on actual io_u, requeue could have
+ * adjusted these
+ */
+ iov->iov_base = io_u->xfer_buf;
+ iov->iov_len = io_u->xfer_buflen;
+
sqe->opcode = ddir_to_op[io_u->ddir][!!o->nonvectored];
if (o->nonvectored) {
- sqe->addr = (unsigned long)
- ld->iovecs[io_u->index].iov_base;
- sqe->len = ld->iovecs[io_u->index].iov_len;
+ sqe->addr = (unsigned long) iov->iov_base;
+ sqe->len = iov->iov_len;
} else {
- sqe->addr = (unsigned long) &ld->iovecs[io_u->index];
+ sqe->addr = (unsigned long) iov;
sqe->len = 1;
}
}
+ sqe->rw_flags = 0;
if (!td->o.odirect && o->uncached)
- sqe->rw_flags = RWF_UNCACHED;
+ sqe->rw_flags |= RWF_UNCACHED;
if (o->nowait)
sqe->rw_flags |= RWF_NOWAIT;
- if (ld->ioprio_class_set)
- sqe->ioprio = td->o.ioprio_class << 13;
- if (ld->ioprio_set)
- sqe->ioprio |= td->o.ioprio;
+
+ /*
+ * Since io_uring can have a submission context (sqthread_poll)
+ * that is different from the process context, we cannot rely on
+ * the IO priority set by ioprio_set() (option prio/prioclass)
+ * to be inherited.
+ * td->ioprio will have the value of the "default prio", so set
+ * this unconditionally. This value might get overridden by
+ * fio_ioring_cmdprio_prep() if the option cmdprio_percentage or
+ * cmdprio_bssplit is used.
+ */
+ sqe->ioprio = td->ioprio;
sqe->off = io_u->offset;
} else if (ddir_sync(io_u->ddir)) {
+ sqe->ioprio = 0;
if (io_u->ddir == DDIR_SYNC_FILE_RANGE) {
sqe->off = f->first_write;
sqe->len = f->last_write - f->first_write;
sqe->sync_range_flags = td->o.sync_file_range;
sqe->opcode = IORING_OP_SYNC_FILE_RANGE;
} else {
+ sqe->off = 0;
+ sqe->addr = 0;
+ sqe->len = 0;
if (io_u->ddir == DDIR_DATASYNC)
sqe->fsync_flags |= IORING_FSYNC_DATASYNC;
sqe->opcode = IORING_OP_FSYNC;
}
}
+ if (o->force_async && ++ld->prepped == o->force_async) {
+ ld->prepped = 0;
+ sqe->flags |= IOSQE_ASYNC;
+ }
+
sqe->user_data = (unsigned long) io_u;
return 0;
}
+static int fio_ioring_cmd_prep(struct thread_data *td, struct io_u *io_u)
+{
+ struct ioring_data *ld = td->io_ops_data;
+ struct ioring_options *o = td->eo;
+ struct fio_file *f = io_u->file;
+ struct nvme_uring_cmd *cmd;
+ struct io_uring_sqe *sqe;
+
+ /* only supports nvme_uring_cmd */
+ if (o->cmd_type != FIO_URING_CMD_NVME)
+ return -EINVAL;
+
+ sqe = &ld->sqes[(io_u->index) << 1];
+
+ if (o->registerfiles) {
+ sqe->fd = f->engine_pos;
+ sqe->flags = IOSQE_FIXED_FILE;
+ } else {
+ sqe->fd = f->fd;
+ }
+ sqe->rw_flags = 0;
+ if (!td->o.odirect && o->uncached)
+ sqe->rw_flags |= RWF_UNCACHED;
+ if (o->nowait)
+ sqe->rw_flags |= RWF_NOWAIT;
+
+ sqe->opcode = IORING_OP_URING_CMD;
+ sqe->user_data = (unsigned long) io_u;
+ if (o->nonvectored)
+ sqe->cmd_op = NVME_URING_CMD_IO;
+ else
+ sqe->cmd_op = NVME_URING_CMD_IO_VEC;
+ if (o->force_async && ++ld->prepped == o->force_async) {
+ ld->prepped = 0;
+ sqe->flags |= IOSQE_ASYNC;
+ }
+ if (o->fixedbufs) {
+ sqe->uring_cmd_flags = IORING_URING_CMD_FIXED;
+ sqe->buf_index = io_u->index;
+ }
+
+ cmd = (struct nvme_uring_cmd *)sqe->cmd;
+ return fio_nvme_uring_cmd_prep(cmd, io_u,
+ o->nonvectored ? NULL : &ld->iovecs[io_u->index]);
+}
+
static struct io_u *fio_ioring_event(struct thread_data *td, int event)
{
struct ioring_data *ld = td->io_ops_data;
return io_u;
}
+static struct io_u *fio_ioring_cmd_event(struct thread_data *td, int event)
+{
+ struct ioring_data *ld = td->io_ops_data;
+ struct ioring_options *o = td->eo;
+ struct io_uring_cqe *cqe;
+ struct io_u *io_u;
+ unsigned index;
+
+ index = (event + ld->cq_ring_off) & ld->cq_ring_mask;
+ if (o->cmd_type == FIO_URING_CMD_NVME)
+ index <<= 1;
+
+ cqe = &ld->cq_ring.cqes[index];
+ io_u = (struct io_u *) (uintptr_t) cqe->user_data;
+
+ if (cqe->res != 0)
+ io_u->error = -cqe->res;
+ else
+ io_u->error = 0;
+
+ return io_u;
+}
+
static int fio_ioring_cqring_reap(struct thread_data *td, unsigned int events,
unsigned int max)
{
if (r < 0) {
if (errno == EAGAIN || errno == EINTR)
continue;
+ r = -errno;
td_verror(td, errno, "io_uring_enter");
break;
}
return r < 0 ? r : events;
}
-static void fio_ioring_prio_prep(struct thread_data *td, struct io_u *io_u)
+static inline void fio_ioring_cmdprio_prep(struct thread_data *td,
+ struct io_u *io_u)
{
- struct ioring_options *o = td->eo;
struct ioring_data *ld = td->io_ops_data;
- if (rand_between(&td->prio_state, 0, 99) < o->cmdprio_percentage) {
- ld->sqes[io_u->index].ioprio = IOPRIO_CLASS_RT << IOPRIO_CLASS_SHIFT;
- io_u->flags |= IO_U_F_PRIORITY;
- }
- return;
+ struct cmdprio *cmdprio = &ld->cmdprio;
+
+ if (fio_cmdprio_set_ioprio(td, cmdprio, io_u))
+ ld->sqes[io_u->index].ioprio = io_u->ioprio;
}
static enum fio_q_status fio_ioring_queue(struct thread_data *td,
{
struct ioring_data *ld = td->io_ops_data;
struct io_sq_ring *ring = &ld->sq_ring;
- struct ioring_options *o = td->eo;
unsigned tail, next_tail;
fio_ro_check(td, io_u);
if (next_tail == atomic_load_acquire(ring->head))
return FIO_Q_BUSY;
- if (o->cmdprio_percentage)
- fio_ioring_prio_prep(td, io_u);
+ if (ld->cmdprio.mode != CMDPRIO_MODE_NONE)
+ fio_ioring_cmdprio_prep(td, io_u);
+
ring->array[tail & ld->sq_ring_mask] = io_u->index;
atomic_store_release(ring->tail, next_tail);
start++;
}
+
+ /*
+ * only used for iolog
+ */
+ if (td->o.read_iolog_file)
+ memcpy(&td->last_issue, &now, sizeof(now));
}
static int fio_ioring_commit(struct thread_data *td)
*/
if (o->sqpoll_thread) {
struct io_sq_ring *ring = &ld->sq_ring;
+ unsigned start = *ld->sq_ring.head;
+ unsigned flags;
- read_barrier();
- if (*ring->flags & IORING_SQ_NEED_WAKEUP)
+ flags = atomic_load_acquire(ring->flags);
+ if (flags & IORING_SQ_NEED_WAKEUP)
io_uring_enter(ld, ld->queued, 0,
IORING_ENTER_SQ_WAKEUP);
+ fio_ioring_queued(td, start, ld->queued);
+ io_u_mark_submit(td, ld->queued);
+
ld->queued = 0;
return 0;
}
usleep(1);
continue;
}
+ ret = -errno;
td_verror(td, errno, "io_uring_enter submit");
break;
}
{
int i;
- for (i = 0; i < ARRAY_SIZE(ld->mmap); i++)
+ for (i = 0; i < FIO_ARRAY_SIZE(ld->mmap); i++)
munmap(ld->mmap[i].ptr, ld->mmap[i].len);
close(ld->ring_fd);
}
if (!(td->flags & TD_F_CHILD))
fio_ioring_unmap(ld);
+ fio_cmdprio_cleanup(&ld->cmdprio);
free(ld->io_u_index);
free(ld->iovecs);
free(ld->fds);
sring->array = ptr + p->sq_off.array;
ld->sq_ring_mask = *sring->ring_mask;
- ld->mmap[1].len = p->sq_entries * sizeof(struct io_uring_sqe);
+ if (p->flags & IORING_SETUP_SQE128)
+ ld->mmap[1].len = 2 * p->sq_entries * sizeof(struct io_uring_sqe);
+ else
+ ld->mmap[1].len = p->sq_entries * sizeof(struct io_uring_sqe);
ld->sqes = mmap(0, ld->mmap[1].len, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_POPULATE, ld->ring_fd,
IORING_OFF_SQES);
ld->mmap[1].ptr = ld->sqes;
- ld->mmap[2].len = p->cq_off.cqes +
- p->cq_entries * sizeof(struct io_uring_cqe);
+ if (p->flags & IORING_SETUP_CQE32) {
+ ld->mmap[2].len = p->cq_off.cqes +
+ 2 * p->cq_entries * sizeof(struct io_uring_cqe);
+ } else {
+ ld->mmap[2].len = p->cq_off.cqes +
+ p->cq_entries * sizeof(struct io_uring_cqe);
+ }
ptr = mmap(0, ld->mmap[2].len, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_POPULATE, ld->ring_fd,
IORING_OFF_CQ_RING);
return 0;
}
+static void fio_ioring_probe(struct thread_data *td)
+{
+ struct ioring_data *ld = td->io_ops_data;
+ struct ioring_options *o = td->eo;
+ struct io_uring_probe *p;
+ int ret;
+
+ /* already set by user, don't touch */
+ if (o->nonvectored != -1)
+ return;
+
+ /* default to off, as that's always safe */
+ o->nonvectored = 0;
+
+ p = malloc(sizeof(*p) + 256 * sizeof(struct io_uring_probe_op));
+ if (!p)
+ return;
+
+ memset(p, 0, sizeof(*p) + 256 * sizeof(struct io_uring_probe_op));
+ ret = syscall(__NR_io_uring_register, ld->ring_fd,
+ IORING_REGISTER_PROBE, p, 256);
+ if (ret < 0)
+ goto out;
+
+ if (IORING_OP_WRITE > p->ops_len)
+ goto out;
+
+ if ((p->ops[IORING_OP_READ].flags & IO_URING_OP_SUPPORTED) &&
+ (p->ops[IORING_OP_WRITE].flags & IO_URING_OP_SUPPORTED))
+ o->nonvectored = 1;
+out:
+ free(p);
+}
+
static int fio_ioring_queue_init(struct thread_data *td)
{
struct ioring_data *ld = td->io_ops_data;
p.flags |= IORING_SETUP_SQ_AFF;
p.sq_thread_cpu = o->sqpoll_cpu;
}
+
+ /*
+ * Submission latency for sqpoll_thread is just the time it
+ * takes to fill in the SQ ring entries, and any syscall if
+ * IORING_SQ_NEED_WAKEUP is set, we don't need to log that time
+ * separately.
+ */
+ td->o.disable_slat = 1;
}
+ /*
+ * Clamp CQ ring size at our SQ ring size, we don't need more entries
+ * than that.
+ */
+ p.flags |= IORING_SETUP_CQSIZE;
+ p.cq_entries = depth;
+
+ /*
+ * Setup COOP_TASKRUN as we don't need to get IPI interrupted for
+ * completing IO operations.
+ */
+ p.flags |= IORING_SETUP_COOP_TASKRUN;
+
+ /*
+ * io_uring is always a single issuer, and we can defer task_work
+ * runs until we reap events.
+ */
+ p.flags |= IORING_SETUP_SINGLE_ISSUER | IORING_SETUP_DEFER_TASKRUN;
+
+retry:
ret = syscall(__NR_io_uring_setup, depth, &p);
- if (ret < 0)
+ if (ret < 0) {
+ if (errno == EINVAL && p.flags & IORING_SETUP_DEFER_TASKRUN) {
+ p.flags &= ~IORING_SETUP_DEFER_TASKRUN;
+ p.flags &= ~IORING_SETUP_SINGLE_ISSUER;
+ goto retry;
+ }
+ if (errno == EINVAL && p.flags & IORING_SETUP_COOP_TASKRUN) {
+ p.flags &= ~IORING_SETUP_COOP_TASKRUN;
+ goto retry;
+ }
+ if (errno == EINVAL && p.flags & IORING_SETUP_CQSIZE) {
+ p.flags &= ~IORING_SETUP_CQSIZE;
+ goto retry;
+ }
return ret;
+ }
ld->ring_fd = ret;
+ fio_ioring_probe(td);
+
if (o->fixedbufs) {
- struct rlimit rlim = {
- .rlim_cur = RLIM_INFINITY,
- .rlim_max = RLIM_INFINITY,
- };
+ ret = syscall(__NR_io_uring_register, ld->ring_fd,
+ IORING_REGISTER_BUFFERS, ld->iovecs, depth);
+ if (ret < 0)
+ return ret;
+ }
+
+ return fio_ioring_mmap(ld, &p);
+}
+
+static int fio_ioring_cmd_queue_init(struct thread_data *td)
+{
+ struct ioring_data *ld = td->io_ops_data;
+ struct ioring_options *o = td->eo;
+ int depth = td->o.iodepth;
+ struct io_uring_params p;
+ int ret;
- if (setrlimit(RLIMIT_MEMLOCK, &rlim) < 0)
- return -1;
+ memset(&p, 0, sizeof(p));
+
+ if (o->hipri)
+ p.flags |= IORING_SETUP_IOPOLL;
+ if (o->sqpoll_thread) {
+ p.flags |= IORING_SETUP_SQPOLL;
+ if (o->sqpoll_set) {
+ p.flags |= IORING_SETUP_SQ_AFF;
+ p.sq_thread_cpu = o->sqpoll_cpu;
+ }
+
+ /*
+ * Submission latency for sqpoll_thread is just the time it
+ * takes to fill in the SQ ring entries, and any syscall if
+ * IORING_SQ_NEED_WAKEUP is set, we don't need to log that time
+ * separately.
+ */
+ td->o.disable_slat = 1;
+ }
+ if (o->cmd_type == FIO_URING_CMD_NVME) {
+ p.flags |= IORING_SETUP_SQE128;
+ p.flags |= IORING_SETUP_CQE32;
+ }
+
+ /*
+ * Clamp CQ ring size at our SQ ring size, we don't need more entries
+ * than that.
+ */
+ p.flags |= IORING_SETUP_CQSIZE;
+ p.cq_entries = depth;
+
+ /*
+ * Setup COOP_TASKRUN as we don't need to get IPI interrupted for
+ * completing IO operations.
+ */
+ p.flags |= IORING_SETUP_COOP_TASKRUN;
+ /*
+ * io_uring is always a single issuer, and we can defer task_work
+ * runs until we reap events.
+ */
+ p.flags |= IORING_SETUP_SINGLE_ISSUER | IORING_SETUP_DEFER_TASKRUN;
+
+retry:
+ ret = syscall(__NR_io_uring_setup, depth, &p);
+ if (ret < 0) {
+ if (errno == EINVAL && p.flags & IORING_SETUP_DEFER_TASKRUN) {
+ p.flags &= ~IORING_SETUP_DEFER_TASKRUN;
+ p.flags &= ~IORING_SETUP_SINGLE_ISSUER;
+ goto retry;
+ }
+ if (errno == EINVAL && p.flags & IORING_SETUP_COOP_TASKRUN) {
+ p.flags &= ~IORING_SETUP_COOP_TASKRUN;
+ goto retry;
+ }
+ if (errno == EINVAL && p.flags & IORING_SETUP_CQSIZE) {
+ p.flags &= ~IORING_SETUP_CQSIZE;
+ goto retry;
+ }
+ return ret;
+ }
+
+ ld->ring_fd = ret;
+
+ fio_ioring_probe(td);
+
+ if (o->fixedbufs) {
ret = syscall(__NR_io_uring_register, ld->ring_fd,
IORING_REGISTER_BUFFERS, ld->iovecs, depth);
if (ret < 0)
err = fio_ioring_queue_init(td);
if (err) {
- td_verror(td, errno, "io_queue_init");
+ int init_err = errno;
+
+ if (init_err == ENOSYS)
+ log_err("fio: your kernel doesn't support io_uring\n");
+ td_verror(td, init_err, "io_queue_init");
return 1;
}
+ for (i = 0; i < td->o.iodepth; i++) {
+ struct io_uring_sqe *sqe;
+
+ sqe = &ld->sqes[i];
+ memset(sqe, 0, sizeof(*sqe));
+ }
+
if (o->registerfiles) {
err = fio_ioring_register_files(td);
if (err) {
return 0;
}
-static unsigned roundup_pow2(unsigned depth)
+static int fio_ioring_cmd_post_init(struct thread_data *td)
{
- return 1UL << __fls(depth - 1);
+ struct ioring_data *ld = td->io_ops_data;
+ struct ioring_options *o = td->eo;
+ struct io_u *io_u;
+ int err, i;
+
+ for (i = 0; i < td->o.iodepth; i++) {
+ struct iovec *iov = &ld->iovecs[i];
+
+ io_u = ld->io_u_index[i];
+ iov->iov_base = io_u->buf;
+ iov->iov_len = td_max_bs(td);
+ }
+
+ err = fio_ioring_cmd_queue_init(td);
+ if (err) {
+ int init_err = errno;
+
+ td_verror(td, init_err, "io_queue_init");
+ return 1;
+ }
+
+ for (i = 0; i < td->o.iodepth; i++) {
+ struct io_uring_sqe *sqe;
+
+ if (o->cmd_type == FIO_URING_CMD_NVME) {
+ sqe = &ld->sqes[i << 1];
+ memset(sqe, 0, 2 * sizeof(*sqe));
+ } else {
+ sqe = &ld->sqes[i];
+ memset(sqe, 0, sizeof(*sqe));
+ }
+ }
+
+ if (o->registerfiles) {
+ err = fio_ioring_register_files(td);
+ if (err) {
+ td_verror(td, errno, "ioring_register_files");
+ return 1;
+ }
+ }
+
+ return 0;
}
static int fio_ioring_init(struct thread_data *td)
{
struct ioring_options *o = td->eo;
struct ioring_data *ld;
- struct thread_options *to = &td->o;
+ int ret;
/* sqthread submission requires registered files */
if (o->sqpoll_thread)
td->io_ops_data = ld;
- /*
- * Check for option conflicts
- */
- if ((fio_option_is_set(to, ioprio) || fio_option_is_set(to, ioprio_class)) &&
- o->cmdprio_percentage != 0) {
- log_err("%s: cmdprio_percentage option and mutually exclusive "
- "prio or prioclass option is set, exiting\n", to->name);
- td_verror(td, EINVAL, "fio_io_uring_init");
+ ret = fio_cmdprio_init(td, &ld->cmdprio, &o->cmdprio_options);
+ if (ret) {
+ td_verror(td, EINVAL, "fio_ioring_init");
return 1;
}
- if (fio_option_is_set(&td->o, ioprio_class))
- ld->ioprio_class_set = true;
- if (fio_option_is_set(&td->o, ioprio))
- ld->ioprio_set = true;
-
return 0;
}
return 0;
}
+static int fio_ioring_cmd_open_file(struct thread_data *td, struct fio_file *f)
+{
+ struct ioring_data *ld = td->io_ops_data;
+ struct ioring_options *o = td->eo;
+
+ if (o->cmd_type == FIO_URING_CMD_NVME) {
+ struct nvme_data *data = NULL;
+ unsigned int nsid, lba_size = 0;
+ unsigned long long nlba = 0;
+ int ret;
+
+ /* Store the namespace-id and lba size. */
+ data = FILE_ENG_DATA(f);
+ if (data == NULL) {
+ ret = fio_nvme_get_info(f, &nsid, &lba_size, &nlba);
+ if (ret)
+ return ret;
+
+ data = calloc(1, sizeof(struct nvme_data));
+ data->nsid = nsid;
+ data->lba_shift = ilog2(lba_size);
+
+ FILE_SET_ENG_DATA(f, data);
+ }
+ }
+ if (!ld || !o->registerfiles)
+ return generic_open_file(td, f);
+
+ f->fd = ld->fds[f->engine_pos];
+ return 0;
+}
+
static int fio_ioring_close_file(struct thread_data *td, struct fio_file *f)
{
struct ioring_data *ld = td->io_ops_data;
return 0;
}
-static struct ioengine_ops ioengine = {
+static int fio_ioring_cmd_close_file(struct thread_data *td,
+ struct fio_file *f)
+{
+ struct ioring_data *ld = td->io_ops_data;
+ struct ioring_options *o = td->eo;
+
+ if (o->cmd_type == FIO_URING_CMD_NVME) {
+ struct nvme_data *data = FILE_ENG_DATA(f);
+
+ FILE_SET_ENG_DATA(f, NULL);
+ free(data);
+ }
+ if (!ld || !o->registerfiles)
+ return generic_close_file(td, f);
+
+ f->fd = -1;
+ return 0;
+}
+
+static int fio_ioring_cmd_get_file_size(struct thread_data *td,
+ struct fio_file *f)
+{
+ struct ioring_options *o = td->eo;
+
+ if (fio_file_size_known(f))
+ return 0;
+
+ if (o->cmd_type == FIO_URING_CMD_NVME) {
+ struct nvme_data *data = NULL;
+ unsigned int nsid, lba_size = 0;
+ unsigned long long nlba = 0;
+ int ret;
+
+ ret = fio_nvme_get_info(f, &nsid, &lba_size, &nlba);
+ if (ret)
+ return ret;
+
+ data = calloc(1, sizeof(struct nvme_data));
+ data->nsid = nsid;
+ data->lba_shift = ilog2(lba_size);
+
+ f->real_file_size = lba_size * nlba;
+ fio_file_set_size_known(f);
+
+ FILE_SET_ENG_DATA(f, data);
+ return 0;
+ }
+ return generic_get_file_size(td, f);
+}
+
+static int fio_ioring_cmd_get_zoned_model(struct thread_data *td,
+ struct fio_file *f,
+ enum zbd_zoned_model *model)
+{
+ return fio_nvme_get_zoned_model(td, f, model);
+}
+
+static int fio_ioring_cmd_report_zones(struct thread_data *td,
+ struct fio_file *f, uint64_t offset,
+ struct zbd_zone *zbdz,
+ unsigned int nr_zones)
+{
+ return fio_nvme_report_zones(td, f, offset, zbdz, nr_zones);
+}
+
+static int fio_ioring_cmd_reset_wp(struct thread_data *td, struct fio_file *f,
+ uint64_t offset, uint64_t length)
+{
+ return fio_nvme_reset_wp(td, f, offset, length);
+}
+
+static int fio_ioring_cmd_get_max_open_zones(struct thread_data *td,
+ struct fio_file *f,
+ unsigned int *max_open_zones)
+{
+ return fio_nvme_get_max_open_zones(td, f, max_open_zones);
+}
+
+static int fio_ioring_cmd_fetch_ruhs(struct thread_data *td, struct fio_file *f,
+ struct fio_ruhs_info *fruhs_info)
+{
+ struct nvme_fdp_ruh_status *ruhs;
+ int bytes, ret, i;
+
+ bytes = sizeof(*ruhs) + 128 * sizeof(struct nvme_fdp_ruh_status_desc);
+ ruhs = scalloc(1, bytes);
+ if (!ruhs)
+ return -ENOMEM;
+
+ ret = fio_nvme_iomgmt_ruhs(td, f, ruhs, bytes);
+ if (ret)
+ goto free;
+
+ fruhs_info->nr_ruhs = le16_to_cpu(ruhs->nruhsd);
+ for (i = 0; i < fruhs_info->nr_ruhs; i++)
+ fruhs_info->plis[i] = le16_to_cpu(ruhs->ruhss[i].pid);
+free:
+ sfree(ruhs);
+ return ret;
+}
+
+static struct ioengine_ops ioengine_uring = {
.name = "io_uring",
.version = FIO_IOOPS_VERSION,
- .flags = FIO_ASYNCIO_SYNC_TRIM,
+ .flags = FIO_ASYNCIO_SYNC_TRIM | FIO_NO_OFFLOAD |
+ FIO_ASYNCIO_SETS_ISSUE_TIME,
.init = fio_ioring_init,
.post_init = fio_ioring_post_init,
.io_u_init = fio_ioring_io_u_init,
.option_struct_size = sizeof(struct ioring_options),
};
+static struct ioengine_ops ioengine_uring_cmd = {
+ .name = "io_uring_cmd",
+ .version = FIO_IOOPS_VERSION,
+ .flags = FIO_ASYNCIO_SYNC_TRIM | FIO_NO_OFFLOAD |
+ FIO_MEMALIGN | FIO_RAWIO |
+ FIO_ASYNCIO_SETS_ISSUE_TIME,
+ .init = fio_ioring_init,
+ .post_init = fio_ioring_cmd_post_init,
+ .io_u_init = fio_ioring_io_u_init,
+ .prep = fio_ioring_cmd_prep,
+ .queue = fio_ioring_queue,
+ .commit = fio_ioring_commit,
+ .getevents = fio_ioring_getevents,
+ .event = fio_ioring_cmd_event,
+ .cleanup = fio_ioring_cleanup,
+ .open_file = fio_ioring_cmd_open_file,
+ .close_file = fio_ioring_cmd_close_file,
+ .get_file_size = fio_ioring_cmd_get_file_size,
+ .get_zoned_model = fio_ioring_cmd_get_zoned_model,
+ .report_zones = fio_ioring_cmd_report_zones,
+ .reset_wp = fio_ioring_cmd_reset_wp,
+ .get_max_open_zones = fio_ioring_cmd_get_max_open_zones,
+ .options = options,
+ .option_struct_size = sizeof(struct ioring_options),
+ .fdp_fetch_ruhs = fio_ioring_cmd_fetch_ruhs,
+};
+
static void fio_init fio_ioring_register(void)
{
- register_ioengine(&ioengine);
+ register_ioengine(&ioengine_uring);
+ register_ioengine(&ioengine_uring_cmd);
}
static void fio_exit fio_ioring_unregister(void)
{
- unregister_ioengine(&ioengine);
+ unregister_ioengine(&ioengine_uring);
+ unregister_ioengine(&ioengine_uring_cmd);
}
#endif
projects / fio.git / blobdiff