drivers/net/can/esd/esdacc.h
Source file repositories/reference/linux-study-clean/drivers/net/can/esd/esdacc.h
File Facts
- System
- Linux kernel
- Corpus path
drivers/net/can/esd/esdacc.h- Extension
.h- Size
- 9583 bytes
- Lines
- 359
- Domain
- Driver Families
- Bucket
- drivers/net
- 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.
- 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.
- Touches IRQ or DMA behavior; this matters for the representative real-device path.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/bits.hlinux/can/dev.hlinux/kernel.hlinux/netdevice.hlinux/units.h
Detected Declarations
struct acc_bmmsg_rxtxdonestruct acc_bmmsg_txabortstruct acc_bmmsg_overrunstruct acc_bmmsg_buserrstruct acc_bmmsg_errstatechangestruct acc_bmmsg_timeslicestruct acc_bmmsg_hwtimerstruct acc_bmmsg_hotplugstruct acc_bmfifostruct acc_corestruct acc_ovstruct acc_net_privenum acc_bmmsg_idfunction acc_read32function acc_write32function acc_write32_noswapfunction acc_set_bitsfunction acc_clear_bitsfunction acc_resetmode_enteredfunction acc_ov_read32function acc_ov_write32function acc_ov_set_bitsfunction acc_ov_clear_bitsfunction acc_reset_fpga
Annotated Snippet
struct acc_bmmsg_rxtxdone {
u8 msg_id;
u8 txfifo_level;
u8 reserved1[2];
u8 txtsfifo_level;
u8 reserved2[3];
u32 id;
struct {
u8 len;
u8 txdfifo_idx;
u8 zeroes8;
u8 reserved;
} acc_dlc;
u8 data[CAN_MAX_DLEN];
/* Time stamps in struct acc_ov::timestamp_frequency ticks. */
u64 ts;
};
struct acc_bmmsg_txabort {
u8 msg_id;
u8 txfifo_level;
u16 abort_mask;
u8 txtsfifo_level;
u8 reserved2[1];
u16 abort_mask_txts;
u64 ts;
u32 reserved3[4];
};
struct acc_bmmsg_overrun {
u8 msg_id;
u8 txfifo_level;
u8 lost_cnt;
u8 reserved1;
u8 txtsfifo_level;
u8 reserved2[3];
u64 ts;
u32 reserved3[4];
};
struct acc_bmmsg_buserr {
u8 msg_id;
u8 txfifo_level;
u8 ecc;
u8 reserved1;
u8 txtsfifo_level;
u8 reserved2[3];
u64 ts;
u32 reg_status;
u32 reg_btr;
u32 reserved3[2];
};
struct acc_bmmsg_errstatechange {
u8 msg_id;
u8 txfifo_level;
u8 reserved1[2];
u8 txtsfifo_level;
u8 reserved2[3];
u64 ts;
u32 reg_status;
u32 reserved3[3];
};
struct acc_bmmsg_timeslice {
u8 msg_id;
u8 txfifo_level;
u8 reserved1[2];
u8 txtsfifo_level;
u8 reserved2[3];
u64 ts;
u32 reserved3[4];
};
struct acc_bmmsg_hwtimer {
u8 msg_id;
u8 reserved1[3];
u32 reserved2[1];
u64 timer;
u32 reserved3[4];
};
struct acc_bmmsg_hotplug {
u8 msg_id;
u8 reserved1[3];
u32 reserved2[7];
};
union acc_bmmsg {
u8 msg_id;
Annotation
- Immediate include surface: `linux/bits.h`, `linux/can/dev.h`, `linux/kernel.h`, `linux/netdevice.h`, `linux/units.h`.
- Detected declarations: `struct acc_bmmsg_rxtxdone`, `struct acc_bmmsg_txabort`, `struct acc_bmmsg_overrun`, `struct acc_bmmsg_buserr`, `struct acc_bmmsg_errstatechange`, `struct acc_bmmsg_timeslice`, `struct acc_bmmsg_hwtimer`, `struct acc_bmmsg_hotplug`, `struct acc_bmfifo`, `struct acc_core`.
- Atlas domain: Driver Families / drivers/net.
- Implementation status: source implementation candidate.
- IRQ or DMA behavior appears here, which is relevant to the selected PCIe/NVMe device path.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.