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89377bc197
linux/drivers/nvme/host
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Kanchan Joshi 89377bc197 nvme: add vectored-io support for user-passthrough 
Add a new NVME_IOCTL_IO64_CMD_VEC ioctl that works like the existing
NVME_IOCTL_IO64_CMD ioctl except that it takes and array of iovecs
and thus supports vectored I/O.

  - cmd.addr is base address of user iovec array
  - cmd.vec_cnt is count of iovec array elements

This patch does not include vectored-variant for admin-commands as most
of them are light on buffers and likely to have low invocation frequency.

Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-28 13:45:06 +02:00
..
constants.c nvme: add verbose error logging 2022-02-28 13:45:06 +02:00
core.c nvme: add verbose error logging 2022-02-28 13:45:06 +02:00
fabrics.c nvme-fabrics: remove unnecessary braces for case 2022-02-28 13:45:04 +02:00
fabrics.h nvme: display correct subsystem NQN 2021-10-20 19:16:02 +02:00
fault_inject.c block: remove the ->rq_disk field in struct request 2021-11-29 06:41:29 -07:00
fc.c nvme: add a helper to initialize connect_q 2022-02-28 13:45:06 +02:00
fc.h nvme-fc: Update header and host for common definitions for LS handling 2020-05-09 16:18:33 -06:00
hwmon.c nvme-hwmon: Return error code when registration fails 2021-03-05 13:41:03 +01:00
ioctl.c nvme: add vectored-io support for user-passthrough 2022-02-28 13:45:06 +02:00
Kconfig nvme: add verbose error logging 2022-02-28 13:45:06 +02:00
Makefile nvme: add verbose error logging 2022-02-28 13:45:06 +02:00
multipath.c for-5.17/drivers-2022-01-11 2022-01-12 10:35:23 -08:00
nvme.h nvme: add verbose error logging 2022-02-28 13:45:06 +02:00
pci.c nvme-pci: add the IGNORE_DEV_SUBNQN quirk for Intel P4500/P4600 SSDs 2022-01-27 08:17:14 +01:00
rdma.c nvme: add a helper to initialize connect_q 2022-02-28 13:45:06 +02:00
tcp.c nvme: add a helper to initialize connect_q 2022-02-28 13:45:06 +02:00
trace.c nvme: add set feature tracing support 2021-08-16 14:42:23 +02:00
trace.h block: remove the ->rq_disk field in struct request 2021-11-29 06:41:29 -07:00
zns.c nvme: report write pointer for a full zone as zone start + zone len 2021-12-06 08:52:08 +01:00