drivers/infiniband/hw/mthca/mthca_cmd.h

Source file repositories/reference/linux-study-clean/drivers/infiniband/hw/mthca/mthca_cmd.h

File Facts

System
Linux kernel
Corpus path
drivers/infiniband/hw/mthca/mthca_cmd.h
Extension
.h
Size
10276 bytes
Lines
326
Domain
Driver Families
Bucket
drivers/infiniband
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mthca_mailbox {
	dma_addr_t dma;
	void      *buf;
};

struct mthca_dev_lim {
	int max_srq_sz;
	int max_qp_sz;
	int reserved_qps;
	int max_qps;
	int reserved_srqs;
	int max_srqs;
	int reserved_eecs;
	int max_eecs;
	int max_cq_sz;
	int reserved_cqs;
	int max_cqs;
	int max_mpts;
	int reserved_eqs;
	int max_eqs;
	int reserved_mtts;
	int max_mrw_sz;
	int reserved_mrws;
	int max_mtt_seg;
	int max_requester_per_qp;
	int max_responder_per_qp;
	int max_rdma_global;
	int local_ca_ack_delay;
	int max_mtu;
	int max_port_width;
	int max_vl;
	int num_ports;
	int max_gids;
	u16 stat_rate_support;
	int max_pkeys;
	u32 flags;
	int reserved_uars;
	int uar_size;
	int min_page_sz;
	int max_sg;
	int max_desc_sz;
	int max_qp_per_mcg;
	int reserved_mgms;
	int max_mcgs;
	int reserved_pds;
	int max_pds;
	int reserved_rdds;
	int max_rdds;
	int eec_entry_sz;
	int qpc_entry_sz;
	int eeec_entry_sz;
	int eqpc_entry_sz;
	int eqc_entry_sz;
	int cqc_entry_sz;
	int srq_entry_sz;
	int uar_scratch_entry_sz;
	int mpt_entry_sz;
	union {
		struct {
			int max_avs;
		} tavor;
		struct {
			int resize_srq;
			int max_pbl_sz;
			u8  bmme_flags;
			u32 reserved_lkey;
			int lam_required;
			u64 max_icm_sz;
		} arbel;
	} hca;
};

struct mthca_adapter {
	u32  vendor_id;
	u32  device_id;
	u32  revision_id;
	char board_id[MTHCA_BOARD_ID_LEN];
	u8   inta_pin;
};

struct mthca_init_hca_param {
	u64 qpc_base;
	u64 eec_base;
	u64 srqc_base;
	u64 cqc_base;
	u64 eqpc_base;
	u64 eeec_base;
	u64 eqc_base;
	u64 rdb_base;
	u64 mc_base;

Annotation

Implementation Notes