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-rw-r--r--nvme-wrap.c418
1 files changed, 418 insertions, 0 deletions
diff --git a/nvme-wrap.c b/nvme-wrap.c
new file mode 100644
index 0000000..ae7cd92
--- /dev/null
+++ b/nvme-wrap.c
@@ -0,0 +1,418 @@
+// 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_ns_descs(struct nvme_dev *dev, __u32 nsid,
+ struct nvme_ns_id_desc *descs)
+{
+ return do_admin_op(identify_ns_descs, dev, nsid, descs);
+}
+
+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_identify_primary_ctrl(struct nvme_dev *dev, __u32 nsid,
+ struct nvme_primary_ctrl_cap *cap)
+{
+ return do_admin_op(identify_primary_ctrl, dev, nsid, cap);
+}
+
+int nvme_cli_identify_secondary_ctrl_list(struct nvme_dev *dev, __u32 nsid,
+ __u16 ctrl_id,
+ struct nvme_secondary_ctrl_list *sc_list)
+{
+ return do_admin_op(identify_secondary_ctrl_list, dev, nsid, ctrl_id,
+ sc_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);
+}
+
+int nvme_cli_admin_passthru(struct nvme_dev *dev, __u8 opcode, __u8 flags,
+ __u16 rsvd, __u32 nsid, __u32 cdw2, __u32 cdw3,
+ __u32 cdw10, __u32 cdw11, __u32 cdw12, __u32 cdw13,
+ __u32 cdw14, __u32 cdw15, __u32 data_len,
+ void *data, __u32 metadata_len, void *metadata,
+ __u32 timeout_ms, __u32 *result)
+{
+ return do_admin_op(admin_passthru, dev, opcode, flags, rsvd, nsid,
+ cdw2, cdw3, cdw10, cdw11, cdw12, cdw13, cdw14, cdw15,
+ data_len, data, metadata_len, metadata, timeout_ms,
+ result);
+}
+
+/* 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);
+}
+
+int nvme_cli_security_send(struct nvme_dev *dev,
+ struct nvme_security_send_args* args)
+{
+ return do_admin_args_op(security_send, dev, args);
+}
+
+int nvme_cli_security_receive(struct nvme_dev *dev,
+ struct nvme_security_receive_args* args)
+{
+ /* Cannot use do_admin_args_op here because the API have different suffix*/
+ if (dev->type == NVME_DEV_DIRECT) {
+ args->fd = dev->direct.fd;
+ args->timeout = NVME_DEFAULT_IOCTL_TIMEOUT;
+ return nvme_security_receive(args);
+ }
+
+ if (dev->type == NVME_DEV_MI)
+ return nvme_mi_admin_security_recv(dev->mi.ctrl, args);
+
+ return -ENODEV;
+}
+