diff options
| author | Ian Moffett <ian@osmora.org> | 2024-04-08 23:17:55 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-04-08 23:17:55 -0400 |
| commit | 803b03e1bfe87dc28c387a22b4559423945f2bdd (patch) | |
| tree | 1e83231ae1a2b2cb572a804730adb6ce71906c5b /sys/include | |
| parent | 0afeb373b8404636770904da99d753a7d8d88eed (diff) | |
kernel: nvme: Move defines to nvmevar.h
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include')
| -rw-r--r-- | sys/include/dev/ic/nvmevar.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/include/dev/ic/nvmevar.h b/sys/include/dev/ic/nvmevar.h index 52fa5ad..4a40071 100644 --- a/sys/include/dev/ic/nvmevar.h +++ b/sys/include/dev/ic/nvmevar.h @@ -41,6 +41,23 @@ #define NVME_OP_WRITE 0x01 #define NVME_OP_READ 0x02 +/* Controller Capabilities */ +#define CAP_MPSMIN(caps) ((caps >> 48) & 0xF) +#define CAP_MPSMAX(caps) ((caps >> 52) & 0xF) +#define CAP_TIMEOUT(caps) ((caps >> 24) & 0xFF) +#define CAP_STRIDE(caps) ((caps >> 32) & 0xF) +#define CAP_MQES(caps) (caps & 0xFFFF) +#define CAP_CSS(caps) (caps & 0xFF) + +/* Controller Configuration */ +#define CONFIG_EN __BIT(0) +#define CONFIG_CSS_SHIFT 4 +#define CONFIG_IOSQES_SHIFT 16 +#define CONFIG_IOCQES_SHIFT 20 + +#define COMMAND_SIZE 64 /* In bytes (defined by spec) */ +#define STATUS_READY(status) (status & 1) + struct nvme_common_cmd { uint8_t opcode; uint8_t flags; |