Hi All,
I am trying to write a linux kernel module which can send/receive ATA SMART cmds to a HDD. The kernel module will take a set of actions based on the responses it receives from the HDD. I went through the ATA smart cmds spec and the "smartctl" user space code which sends the ATA cmds from user space via SG_IO ioctl cmd. I am not able to figure out how to open /dev/sda from kernel and achieve similar functionalities line "smartctl" tool from a kernel module.
Can someone point me to any sample code which tries to send ATA smart cmds from a kernel module instead of user space via ioctl?
Seems like I need to use some exported API from SG driver or libata. is this the right direction?
Please feel free to suggest how can I achieve this.
Thanks, Sid
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