diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/nvme.c | 16 | ||||
| -rw-r--r-- | sys/include/dev/ic/nvmevar.h | 17 |
2 files changed, 17 insertions, 16 deletions
diff --git a/sys/dev/ic/nvme.c b/sys/dev/ic/nvme.c index 55fbd88..7b79da9 100644 --- a/sys/dev/ic/nvme.c +++ b/sys/dev/ic/nvme.c @@ -42,22 +42,6 @@ __MODULE_NAME("nvme"); __KERNEL_META("$Hyra$: nvme.c, Ian Marco Moffett, " "NVMe driver"); -#define COMMAND_SIZE 64 /* In bytes (defined by spec) */ - -#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) - -#define STATUS_READY(status) (status & 1) - -#define CONFIG_EN __BIT(0) -#define CONFIG_CSS_SHIFT 4 -#define CONFIG_IOSQES_SHIFT 16 -#define CONFIG_IOCQES_SHIFT 20 - static struct pci_device *nvme_dev; static struct timer driver_tmr; static TAILQ_HEAD(,nvme_ns) namespaces; 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; |