Differential D26767 Diff 78195 sys/dev/nvme/nvme_private.h

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sys/dev/nvme/nvme_private.h

Show First 20 Lines • Show All 153 Lines • ▼ Show 20 Lines	struct nvme_async_event_request {
uint32_t log_page_size;		uint32_t log_page_size;
uint8_t log_page_buffer[NVME_MAX_AER_LOG_SIZE];		uint8_t log_page_buffer[NVME_MAX_AER_LOG_SIZE];
};		};

struct nvme_tracker {		struct nvme_tracker {
TAILQ_ENTRY(nvme_tracker) tailq;		TAILQ_ENTRY(nvme_tracker) tailq;
struct nvme_request *req;		struct nvme_request *req;
struct nvme_qpair *qpair;		struct nvme_qpair *qpair;
struct callout timer;		sbintime_t deadline;
bus_dmamap_t payload_dma_map;		bus_dmamap_t payload_dma_map;
uint16_t cid;		uint16_t cid;

uint64_t *prp;		uint64_t *prp;
bus_addr_t prp_bus_addr;		bus_addr_t prp_bus_addr;
};		};

		enum nvme_recovery {
		rpokalaUnsubmitted Not Done Inline Actions `nvme_recovery_state` would be clearer, IMHO. rpokala: `nvme_recovery_state` would be clearer, IMHO.
		RECOVERY_NONE = 0, /* Normal operations */
		RECOVERY_START, /* Deadline has passed, start recovering */
		RECOVERY_RESET, /* This pass, initiate reset of controller */
		rpokalaUnsubmitted Not Done Inline Actions `/* This phase of recovery, initiate controller reset /` scans better to me. rpokala:* `/* This phase of recovery, initiate controller reset */` scans better to me.
		RECOVERY_WAITING, /* waiting for the reset to complete */
		};
struct nvme_qpair {		struct nvme_qpair {
struct nvme_controller *ctrlr;		struct nvme_controller *ctrlr;
uint32_t id;		uint32_t id;
int domain;		int domain;
int cpu;		int cpu;

uint16_t vector;		uint16_t vector;
int rid;		int rid;
struct resource *res;		struct resource *res;
void *tag;		void *tag;

		struct callout timer;
		sbintime_t deadline;
		bool timer_armed;
		enum nvme_recovery recovery_state;
		int ticks;

uint32_t num_entries;		uint32_t num_entries;
uint32_t num_trackers;		uint32_t num_trackers;
uint32_t sq_tdbl_off;		uint32_t sq_tdbl_off;
uint32_t cq_hdbl_off;		uint32_t cq_hdbl_off;

uint32_t phase;		uint32_t phase;
uint32_t sq_head;		uint32_t sq_head;
uint32_t sq_tail;		uint32_t sq_tail;
Show All 14 Lines	struct nvme_qpair {
uint64_t cmd_bus_addr;		uint64_t cmd_bus_addr;
uint64_t cpl_bus_addr;		uint64_t cpl_bus_addr;

TAILQ_HEAD(, nvme_tracker) free_tr;		TAILQ_HEAD(, nvme_tracker) free_tr;
TAILQ_HEAD(, nvme_tracker) outstanding_tr;		TAILQ_HEAD(, nvme_tracker) outstanding_tr;
STAILQ_HEAD(, nvme_request) queued_req;		STAILQ_HEAD(, nvme_request) queued_req;

struct nvme_tracker **act_tr;		struct nvme_tracker **act_tr;

bool is_enabled;

struct mtx lock __aligned(CACHE_LINE_SIZE);		struct mtx lock __aligned(CACHE_LINE_SIZE);

} __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;
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