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Differential D33032 Diff 99354 sys/dev/nvme/nvme_private.h

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sys/dev/nvme/nvme_private.h

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} __aligned(CACHE_LINE_SIZE); } __aligned(CACHE_LINE_SIZE);
struct nvme_namespace { struct nvme_namespace {
struct nvme_controller *ctrlr; struct nvme_controller *ctrlr;
struct nvme_namespace_data data; struct nvme_namespace_data data;
uint32_t id; uint32_t id;
uint32_t flags; uint32_t flags;
#define NVME_NS_FLAG_ADDED 0x1
#define NVME_NS_FLAG_CHANGED 0x2
#define NVME_NS_FLAG_GONE 0x4
struct cdev *cdev; struct cdev *cdev;
void *cons_cookie[NVME_MAX_CONSUMERS]; void *cons_cookie[NVME_MAX_CONSUMERS];
uint32_t boundary; uint32_t boundary;
struct mtx lock; struct mtx lock;
STAILQ_ENTRY(nvme_namespace) stailq;
}; };
/* /*
* One of these per allocated PCI device. * One of these per allocated PCI device.
*/ */
struct nvme_controller { struct nvme_controller {
device_t dev; device_t dev;
Show All 25 Lines#define QUIRK_DISABLE_TIMEOUT 2 /* Disable broken completion timeout feature */
/* Fields for tracking progress during controller initialization. */ /* Fields for tracking progress during controller initialization. */
struct intr_config_hook config_hook; struct intr_config_hook config_hook;
uint32_t ns_identified; uint32_t ns_identified;
uint32_t queues_created; uint32_t queues_created;
struct task reset_task; struct task reset_task;
struct task fail_req_task; struct task fail_req_task;
struct task update_ns_task;
struct taskqueue *taskqueue; struct taskqueue *taskqueue;
/* For shared legacy interrupt. */ /* For shared legacy interrupt. */
int rid; int rid;
struct resource *res; struct resource *res;
void *tag; void *tag;
/** maximum i/o size in bytes */ /** maximum i/o size in bytes */
Show All 34 Lines#define QUIRK_DISABLE_TIMEOUT 2 /* Disable broken completion timeout feature */
uint32_t is_resetting; uint32_t is_resetting;
uint32_t is_initialized; uint32_t is_initialized;
uint32_t notification_sent; uint32_t notification_sent;
bool is_failed; bool is_failed;
bool is_dying; bool is_dying;
STAILQ_HEAD(, nvme_request) fail_req; STAILQ_HEAD(, nvme_request) fail_req;
STAILQ_HEAD(, nvme_namespace) update_ns_req;
/* Host Memory Buffer */ /* Host Memory Buffer */
int hmb_nchunks; int hmb_nchunks;
size_t hmb_chunk; size_t hmb_chunk;
bus_dma_tag_t hmb_tag; bus_dma_tag_t hmb_tag;
struct nvme_hmb_chunk { struct nvme_hmb_chunk {
bus_dmamap_t hmbc_map; bus_dmamap_t hmbc_map;
void *hmbc_vaddr; void *hmbc_vaddr;
uint64_t hmbc_paddr; uint64_t hmbc_paddr;
} *hmb_chunks; } *hmb_chunks;
bus_dma_tag_t hmb_desc_tag; bus_dma_tag_t hmb_desc_tag;
bus_dmamap_t hmb_desc_map; bus_dmamap_t hmb_desc_map;
struct nvme_hmb_desc *hmb_desc_vaddr; struct nvme_hmb_desc *hmb_desc_vaddr;
uint64_t hmb_desc_paddr; uint64_t hmb_desc_paddr;
}; };
enum nvme_ctor_reason {
NVME_REASON_RESET, /* Controller was reset, rebuilding */
NVME_REASON_FLAGGED, /* NS was flagged as changed somehow */
};
#define nvme_mmio_offsetof(reg) \ #define nvme_mmio_offsetof(reg) \
offsetof(struct nvme_registers, reg) offsetof(struct nvme_registers, reg)
#define nvme_mmio_read_4(sc, reg) \ #define nvme_mmio_read_4(sc, reg) \
bus_space_read_4((sc)->bus_tag, (sc)->bus_handle, \ bus_space_read_4((sc)->bus_tag, (sc)->bus_handle, \
nvme_mmio_offsetof(reg)) nvme_mmio_offsetof(reg))
#define nvme_mmio_write_4(sc, reg, val) \ #define nvme_mmio_write_4(sc, reg, val) \
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void nvme_admin_qpair_disable(struct nvme_qpair *qpair); void nvme_admin_qpair_disable(struct nvme_qpair *qpair);
void nvme_admin_qpair_destroy(struct nvme_qpair *qpair); void nvme_admin_qpair_destroy(struct nvme_qpair *qpair);
void nvme_io_qpair_enable(struct nvme_qpair *qpair); void nvme_io_qpair_enable(struct nvme_qpair *qpair);
void nvme_io_qpair_disable(struct nvme_qpair *qpair); void nvme_io_qpair_disable(struct nvme_qpair *qpair);
void nvme_io_qpair_destroy(struct nvme_qpair *qpair); void nvme_io_qpair_destroy(struct nvme_qpair *qpair);
int nvme_ns_construct(struct nvme_namespace *ns, uint32_t id, int nvme_ns_construct(struct nvme_namespace *ns, uint32_t id,
struct nvme_controller *ctrlr); struct nvme_controller *ctrlr, enum nvme_ctor_reason why);
void nvme_ns_destruct(struct nvme_namespace *ns); void nvme_ns_destruct(struct nvme_namespace *ns);
void nvme_sysctl_initialize_ctrlr(struct nvme_controller *ctrlr); void nvme_sysctl_initialize_ctrlr(struct nvme_controller *ctrlr);
void nvme_dump_command(struct nvme_command *cmd); void nvme_dump_command(struct nvme_command *cmd);
void nvme_dump_completion(struct nvme_completion *cpl); void nvme_dump_completion(struct nvme_completion *cpl);
int nvme_attach(device_t dev); int nvme_attach(device_t dev);
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