diff options
Diffstat (limited to '')
| -rw-r--r-- | src/nvme/ioctl.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/nvme/ioctl.h b/src/nvme/ioctl.h index be4c1b7..2ebd39c 100644 --- a/src/nvme/ioctl.h +++ b/src/nvme/ioctl.h @@ -1865,7 +1865,7 @@ static inline int nvme_get_log_fdp_events(int fd, __u16 egid, bool host_events, * the asymmetric namespace access information for ANA Groups that contain * namespaces that are attached to the controller processing the command. * - * See &struct nvme_ana_rsp_hdr for the definition of the returned structure. + * See &struct nvme_ana_log for the definition of the returned structure. * * Return: The nvme command status if a response was received (see * &enum nvme_status_field) or -1 with errno set otherwise. @@ -1887,7 +1887,7 @@ static inline int nvme_get_log_ana(int fd, enum nvme_log_ana_lsp lsp, bool rae, .lsi = NVME_LOG_LSI_NONE, .lsp = (__u8)lsp, .uuidx = NVME_UUID_NONE, - .rae = false, + .rae = rae, .ot = false, }; return nvme_get_log_page(fd, NVME_LOG_PAGE_PDU_SIZE, &args); @@ -1900,19 +1900,42 @@ static inline int nvme_get_log_ana(int fd, enum nvme_log_ana_lsp lsp, bool rae, * @len: The allocated length of the log page * @log: User address to store the ana group log * - * See &struct nvme_ana_group_desc for the definition of the returned structure. + * See &struct nvme_ana_log for the definition of the returned structure. * * Return: The nvme command status if a response was received (see * &enum nvme_status_field) or -1 with errno set otherwise. */ static inline int nvme_get_log_ana_groups(int fd, bool rae, __u32 len, - struct nvme_ana_group_desc *log) + struct nvme_ana_log *log) { return nvme_get_log_ana(fd, NVME_LOG_ANA_LSP_RGO_GROUPS_ONLY, rae, 0, len, log); } /** + * nvme_get_ana_log_atomic() - Retrieve Asymmetric Namespace Access log page atomically + * @fd: File descriptor of nvme device + * @rgo: Whether to retrieve ANA groups only (no NSIDs) + * @rae: Whether to retain asynchronous events + * @retries: The maximum number of times to retry on log page changes + * @log: Pointer to a buffer to receive the ANA log page + * @len: Input: the length of the log page buffer. + * Output: the actual length of the ANA log page. + * + * See &struct nvme_ana_log for the definition of the returned structure. + * + * Return: If successful, returns 0 and sets *len to the actual log page length. + * If unsuccessful, returns the nvme command status if a response was received + * (see &enum nvme_status_field) or -1 with errno set otherwise. + * Sets errno = EINVAL if retries == 0. + * Sets errno = EAGAIN if unable to read the log page atomically + * because chgcnt changed during each of the retries attempts. + * Sets errno = ENOSPC if the full log page does not fit in the provided buffer. + */ +int nvme_get_ana_log_atomic(int fd, bool rgo, bool rae, unsigned int retries, + struct nvme_ana_log *log, __u32 *len); + +/** * nvme_get_log_lba_status() - Retrieve LBA Status * @fd: File descriptor of nvme device * @rae: Retain asynchronous events |