diff options
Diffstat (limited to 'nvme-wrap.c')
| -rw-r--r-- | nvme-wrap.c | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/nvme-wrap.c b/nvme-wrap.c new file mode 100644 index 0000000..c31ec11 --- /dev/null +++ b/nvme-wrap.c @@ -0,0 +1,362 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Definitions for the NVM Express interface: libnvme/libnvme-mi device + * wrappers. + */ + +#include <errno.h> + +#include <libnvme.h> +#include <libnvme-mi.h> + +#include "nvme.h" +#include "nvme-wrap.h" + +/* + * Helper for libnvme functions that pass the fd/ep separately. These just + * pass the correct handle to the direct/MI function. + * @op: the name of the libnvme function, without the nvme_/nvme_mi prefix + * @d: device handle: struct nvme_dev + */ +#define do_admin_op(op, d, ...) ({ \ + int __rc; \ + if (d->type == NVME_DEV_DIRECT) \ + __rc = nvme_ ## op(d->direct.fd, __VA_ARGS__); \ + else if (d->type == NVME_DEV_MI) \ + __rc = nvme_mi_admin_ ## op (d->mi.ctrl, __VA_ARGS__); \ + else \ + __rc = -ENODEV; \ + __rc; }) + +/* + * Helper for libnvme functions use the 'struct _args' pattern. These need + * the fd and timeout set for the direct interface, and pass the ep as + * an argument for the MI interface + * @op: the name of the libnvme function, without the nvme_/nvme_mi prefix + * @d: device handle: struct nvme_dev + * @args: op-specific args struct + */ +#define do_admin_args_op(op, d, args) ({ \ + int __rc; \ + if (d->type == NVME_DEV_DIRECT) { \ + args->fd = d->direct.fd; \ + args->timeout = NVME_DEFAULT_IOCTL_TIMEOUT; \ + __rc = nvme_ ## op(args); \ + } else if (d->type == NVME_DEV_MI) \ + __rc = nvme_mi_admin_ ## op (d->mi.ctrl, args); \ + else \ + __rc = -ENODEV; \ + __rc; }) + +int nvme_cli_identify(struct nvme_dev *dev, struct nvme_identify_args *args) +{ + return do_admin_args_op(identify, dev, args); +} + +int nvme_cli_identify_ctrl(struct nvme_dev *dev, struct nvme_id_ctrl *ctrl) +{ + return do_admin_op(identify_ctrl, dev, ctrl); +} + +int nvme_cli_identify_ctrl_list(struct nvme_dev *dev, __u16 ctrl_id, + struct nvme_ctrl_list *list) +{ + return do_admin_op(identify_ctrl_list, dev, ctrl_id, list); +} + +int nvme_cli_identify_nsid_ctrl_list(struct nvme_dev *dev, __u32 nsid, + __u16 ctrl_id, + struct nvme_ctrl_list *list) +{ + return do_admin_op(identify_nsid_ctrl_list, dev, nsid, ctrl_id, list); +} + +int nvme_cli_identify_ns(struct nvme_dev *dev, __u32 nsid, + struct nvme_id_ns *ns) +{ + return do_admin_op(identify_ns, dev, nsid, ns); +} + +int nvme_cli_identify_allocated_ns(struct nvme_dev *dev, __u32 nsid, + struct nvme_id_ns *ns) +{ + return do_admin_op(identify_allocated_ns, dev, nsid, ns); +} + +int nvme_cli_identify_active_ns_list(struct nvme_dev *dev, __u32 nsid, + struct nvme_ns_list *list) +{ + return do_admin_op(identify_active_ns_list, dev, nsid, list); +} + +int nvme_cli_identify_allocated_ns_list(struct nvme_dev *dev, __u32 nsid, + struct nvme_ns_list *list) +{ + return do_admin_op(identify_allocated_ns_list, dev, nsid, list); +} + +int nvme_cli_get_features(struct nvme_dev *dev, + struct nvme_get_features_args *args) +{ + return do_admin_args_op(get_features, dev, args); +} + +int nvme_cli_ns_mgmt_delete(struct nvme_dev *dev, __u32 nsid) +{ + return do_admin_op(ns_mgmt_delete, dev, nsid); +} + +int nvme_cli_ns_attach(struct nvme_dev *dev, struct nvme_ns_attach_args *args) +{ + return do_admin_args_op(ns_attach, dev, args); +} + +int nvme_cli_ns_attach_ctrls(struct nvme_dev *dev, __u32 nsid, + struct nvme_ctrl_list *ctrlist) +{ + return do_admin_op(ns_attach_ctrls, dev, nsid, ctrlist); +} + +int nvme_cli_ns_detach_ctrls(struct nvme_dev *dev, __u32 nsid, + struct nvme_ctrl_list *ctrlist) +{ + return do_admin_op(ns_detach_ctrls, dev, nsid, ctrlist); +} + +int nvme_cli_format_nvm(struct nvme_dev *dev, struct nvme_format_nvm_args *args) +{ + return do_admin_args_op(format_nvm, dev, args); +} + +int nvme_cli_sanitize_nvm(struct nvme_dev *dev, struct nvme_sanitize_nvm_args *args) +{ + return do_admin_args_op(sanitize_nvm, dev, args); +} + +int nvme_cli_get_log(struct nvme_dev *dev, struct nvme_get_log_args *args) +{ + return do_admin_args_op(get_log, dev, args); +} + +int nvme_cli_get_nsid_log(struct nvme_dev *dev, bool rae, + enum nvme_cmd_get_log_lid lid, + __u32 nsid, __u32 len, void *log) +{ + return do_admin_op(get_nsid_log, dev, rae, lid, nsid, len, log); +} + +int nvme_cli_get_log_simple(struct nvme_dev *dev, + enum nvme_cmd_get_log_lid lid, + __u32 len, void *log) +{ + return do_admin_op(get_log_simple, dev, lid, len, log); +} + +int nvme_cli_get_log_supported_log_pages(struct nvme_dev *dev, bool rae, + struct nvme_supported_log_pages *log) +{ + return do_admin_op(get_log_supported_log_pages, dev, rae, log); +} + +int nvme_cli_get_log_error(struct nvme_dev *dev, unsigned int nr_entries, + bool rae, struct nvme_error_log_page *err_log) +{ + return do_admin_op(get_log_error, dev, nr_entries, rae, err_log); +} + +int nvme_cli_get_log_smart(struct nvme_dev *dev, __u32 nsid, bool rae, + struct nvme_smart_log *smart_log) +{ + return do_admin_op(get_log_smart, dev, nsid, rae, smart_log); +} + +int nvme_cli_get_log_fw_slot(struct nvme_dev *dev, bool rae, + struct nvme_firmware_slot *fw_log) +{ + return do_admin_op(get_log_fw_slot, dev, rae, fw_log); +} + +int nvme_cli_get_log_changed_ns_list(struct nvme_dev *dev, bool rae, + struct nvme_ns_list *ns_log) +{ + return do_admin_op(get_log_changed_ns_list, dev, rae, ns_log); +} + +int nvme_cli_get_log_cmd_effects(struct nvme_dev *dev, enum nvme_csi csi, + struct nvme_cmd_effects_log *effects_log) +{ + return do_admin_op(get_log_cmd_effects, dev, csi, effects_log); +} + +int nvme_cli_get_log_device_self_test(struct nvme_dev *dev, + struct nvme_self_test_log *log) +{ + return do_admin_op(get_log_device_self_test, dev, log); +} + +int nvme_cli_get_log_create_telemetry_host(struct nvme_dev *dev, + struct nvme_telemetry_log *log) +{ + return do_admin_op(get_log_create_telemetry_host, dev, log); +} + +int nvme_cli_get_log_telemetry_host(struct nvme_dev *dev, __u64 offset, + __u32 len, void *log) +{ + return do_admin_op(get_log_telemetry_host, dev, offset, len, log); +} + +int nvme_cli_get_log_telemetry_ctrl(struct nvme_dev *dev, bool rae, + __u64 offset, __u32 len, void *log) +{ + return do_admin_op(get_log_telemetry_ctrl, dev, rae, offset, len, log); +} + +int nvme_cli_get_log_endurance_group(struct nvme_dev *dev, __u16 endgid, + struct nvme_endurance_group_log *log) +{ + return do_admin_op(get_log_endurance_group, dev, endgid, log); +} + +int nvme_cli_get_log_predictable_lat_nvmset(struct nvme_dev *dev, + __u16 nvmsetid, + struct nvme_nvmset_predictable_lat_log *log) +{ + return do_admin_op(get_log_predictable_lat_nvmset, dev, nvmsetid, log); +} + +int nvme_cli_get_log_predictable_lat_event(struct nvme_dev *dev, bool rae, + __u32 offset, __u32 len, void *log) +{ + return do_admin_op(get_log_predictable_lat_event, dev, rae, offset, + len, log); +} + +int nvme_cli_get_log_ana(struct nvme_dev *dev, + enum nvme_log_ana_lsp lsp, bool rae, + __u64 offset, __u32 len, void *log) +{ + return do_admin_op(get_log_ana, dev, lsp, rae, offset, len, log); +} + +int nvme_cli_get_log_ana_groups(struct nvme_dev *dev, bool rae, __u32 len, + struct nvme_ana_group_desc *log) +{ + return do_admin_op(get_log_ana_groups, dev, rae, len, log); +} + +int nvme_cli_get_log_lba_status(struct nvme_dev *dev, bool rae, + __u64 offset, __u32 len, void *log) +{ + return do_admin_op(get_log_lba_status, dev, rae, offset, len, log); +} + +int nvme_cli_get_log_endurance_grp_evt(struct nvme_dev *dev, bool rae, + __u32 offset, __u32 len, void *log) +{ + return do_admin_op(get_log_endurance_grp_evt, dev, rae, offset, len, + log); +} + +int nvme_cli_get_log_fid_supported_effects(struct nvme_dev *dev, bool rae, + struct nvme_fid_supported_effects_log *log) +{ + return do_admin_op(get_log_fid_supported_effects, dev, rae, log); +} + +int nvme_cli_get_log_mi_cmd_supported_effects(struct nvme_dev *dev, bool rae, + struct nvme_mi_cmd_supported_effects_log *log) +{ + return do_admin_op(get_log_mi_cmd_supported_effects, dev, rae, log); +} + +int nvme_cli_get_log_boot_partition(struct nvme_dev *dev, bool rae, __u8 lsp, + __u32 len, + struct nvme_boot_partition *part) +{ + return do_admin_op(get_log_boot_partition, dev, rae, lsp, len, part); +} + +int nvme_cli_get_log_discovery(struct nvme_dev *dev, bool rae, + __u32 offset, __u32 len, void *log) +{ + return do_admin_op(get_log_discovery, dev, rae, offset, len, log); +} + +int nvme_cli_get_log_media_unit_stat(struct nvme_dev *dev, __u16 domid, + struct nvme_media_unit_stat_log *mus) +{ + return do_admin_op(get_log_media_unit_stat, dev, domid, mus); +} + +int nvme_cli_get_log_support_cap_config_list(struct nvme_dev *dev, + __u16 domid, + struct nvme_supported_cap_config_list_log *cap) +{ + return do_admin_op(get_log_support_cap_config_list, dev, domid, cap); +} + +int nvme_cli_get_log_reservation(struct nvme_dev *dev, bool rae, + struct nvme_resv_notification_log *log) +{ + return do_admin_op(get_log_reservation, dev, rae, log); +} + +int nvme_cli_get_log_sanitize(struct nvme_dev *dev, bool rae, + struct nvme_sanitize_log_page *log) +{ + return do_admin_op(get_log_sanitize, dev, rae, log); +} + +int nvme_cli_get_log_zns_changed_zones(struct nvme_dev *dev, __u32 nsid, + bool rae, + struct nvme_zns_changed_zone_log *log) +{ + return do_admin_op(get_log_zns_changed_zones, dev, nsid, rae, log); +} + +int nvme_cli_get_log_persistent_event(struct nvme_dev *dev, + enum nvme_pevent_log_action action, + __u32 size, void *pevent_log) +{ + return do_admin_op(get_log_persistent_event, dev, action, size, + pevent_log); +} + +int nvme_cli_fw_download(struct nvme_dev *dev, + struct nvme_fw_download_args *args) +{ + return do_admin_args_op(fw_download, dev, args); +} + +int nvme_cli_fw_commit(struct nvme_dev *dev, + struct nvme_fw_commit_args *args) +{ + return do_admin_args_op(fw_commit, dev, args); +} + +/* The MI & direct interfaces don't have an exactly-matching API for + * ns_mgmt_create, as we don't support a timeout for MI. + */ +int nvme_cli_ns_mgmt_create(struct nvme_dev *dev, struct nvme_id_ns *ns, + __u32 *nsid, __u32 timeout, __u8 csi) +{ + if (dev->type == NVME_DEV_DIRECT) + return nvme_ns_mgmt_create(dev_fd(dev), ns, nsid, timeout, csi); + if (dev->type == NVME_DEV_MI) + return nvme_mi_admin_ns_mgmt_create(dev->mi.ctrl, ns, + csi, nsid); + + return -ENODEV; +} + +int nvme_cli_get_feature_length2(int fid, __u32 cdw11, enum nvme_data_tfr dir, + __u32 *len) +{ + int err; + + err = nvme_get_feature_length2(fid, cdw11, dir, len); + if (err != -EEXIST) + return err; + return nvme_get_feature_length(fid, cdw11, len); +} |