diff options
| author | Pankaj Raghav <pankydev8@gmail.com> | 2021-12-16 20:37:54 +0530 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-01-01 14:55:58 +0100 |
| commit | e99fafb683d0ec63f64662cc71b98900118f9f74 (patch) | |
| tree | 6bac149173860f3804200b85fa5e4b357ece7807 /Kernel/Devices/BlockDevice.h | |
| parent | 602b35aa62586f5d75ea329ebc29e49cdb470932 (diff) | |
| download | serenity-e99fafb683d0ec63f64662cc71b98900118f9f74.zip | |
Kernel/NVMe: Add initial NVMe driver support
Add a basic NVMe driver support to serenity
based on NVMe spec 1.4.
The driver can support multiple NVMe drives (subsystems).
But in a NVMe drive, the driver can support one controller
with multiple namespaces.
Each core will get a separate NVMe Queue.
As the system lacks MSI support, PIN based interrupts are
used for IO.
Tested the NVMe support by replacing IDE driver
with the NVMe driver :^)
Diffstat (limited to 'Kernel/Devices/BlockDevice.h')
| -rw-r--r-- | Kernel/Devices/BlockDevice.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Kernel/Devices/BlockDevice.h b/Kernel/Devices/BlockDevice.h index 1fdcf21197..a3c3197eb9 100644 --- a/Kernel/Devices/BlockDevice.h +++ b/Kernel/Devices/BlockDevice.h @@ -68,6 +68,8 @@ protected: : Device(major, minor) , m_block_size(block_size) { + // 512 is the minimum sector size in most block devices + VERIFY(m_block_size >= 512); } private: |