mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-11-04 02:11:25 +01:00
f6aa61d599
This adds nvme_print_info() to show detailed NVMe controller and namespace information. Signed-off-by: Zhikang Zhang <zhikang.zhang@nxp.com> Signed-off-by: Wenbin Song <wenbin.song@nxp.com> Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Tom Rini <trini@konsulko.com>
83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/*
|
|
* Copyright (C) 2017 NXP Semiconductors
|
|
* Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __NVME_H__
|
|
#define __NVME_H__
|
|
|
|
struct nvme_dev;
|
|
|
|
/**
|
|
* nvme_identify - identify controller or namespace capabilities and status
|
|
*
|
|
* This issues an identify command to the NVMe controller to return a data
|
|
* buffer that describes the controller or namespace capabilities and status.
|
|
*
|
|
* @dev: NVMe controller device
|
|
* @nsid: 0 for controller, namespace id for namespace to identify
|
|
* @cns: 1 for controller, 0 for namespace
|
|
* @dma_addr: dma buffer address to store the identify result
|
|
* @return: 0 on success, -ETIMEDOUT on command execution timeout,
|
|
* -EIO on command execution fails
|
|
*/
|
|
int nvme_identify(struct nvme_dev *dev, unsigned nsid,
|
|
unsigned cns, dma_addr_t dma_addr);
|
|
|
|
/**
|
|
* nvme_get_features - retrieve the attributes of the feature specified
|
|
*
|
|
* This retrieves the attributes of the feature specified.
|
|
*
|
|
* @dev: NVMe controller device
|
|
* @fid: feature id to provide data
|
|
* @nsid: namespace id the command applies to
|
|
* @dma_addr: data structure used as part of the specified feature
|
|
* @result: command-specific result in the completion queue entry
|
|
* @return: 0 on success, -ETIMEDOUT on command execution timeout,
|
|
* -EIO on command execution fails
|
|
*/
|
|
int nvme_get_features(struct nvme_dev *dev, unsigned fid, unsigned nsid,
|
|
dma_addr_t dma_addr, u32 *result);
|
|
|
|
/**
|
|
* nvme_set_features - specify the attributes of the feature indicated
|
|
*
|
|
* This specifies the attributes of the feature indicated.
|
|
*
|
|
* @dev: NVMe controller device
|
|
* @fid: feature id to provide data
|
|
* @dword11: command-specific input parameter
|
|
* @dma_addr: data structure used as part of the specified feature
|
|
* @result: command-specific result in the completion queue entry
|
|
* @return: 0 on success, -ETIMEDOUT on command execution timeout,
|
|
* -EIO on command execution fails
|
|
*/
|
|
int nvme_set_features(struct nvme_dev *dev, unsigned fid, unsigned dword11,
|
|
dma_addr_t dma_addr, u32 *result);
|
|
|
|
/**
|
|
* nvme_scan_namespace - scan all namespaces attached to NVMe controllers
|
|
*
|
|
* This probes all registered NVMe uclass device drivers in the system,
|
|
* and tries to find all namespaces attached to the NVMe controllers.
|
|
*
|
|
* @return: 0 on success, -ve on error
|
|
*/
|
|
int nvme_scan_namespace(void);
|
|
|
|
/**
|
|
* nvme_print_info - print detailed NVMe controller and namespace information
|
|
*
|
|
* This prints out detailed human readable NVMe controller and namespace
|
|
* information which is very useful for debugging.
|
|
*
|
|
* @udev: NVMe controller device
|
|
* @return: 0 on success, -EIO if NVMe identify command fails
|
|
*/
|
|
int nvme_print_info(struct udevice *udev);
|
|
|
|
#endif /* __NVME_H__ */
|