#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/seq_file.h>
#include "net_driver.h"
#include "bitfield.h"
#include "efx.h"
#include "nic.h"
#include "regs.h"
#include "io.h"
#include "workarounds.h"

Data Structures
struct	efx_nic_reg

struct	efx_nic_reg_table

Macros
#define	TX_DC_ENTRIES 16

#define	TX_DC_ENTRIES_ORDER 1

#define	RX_DC_ENTRIES 64

#define	RX_DC_ENTRIES_ORDER 3

#define	EFX_INT_ERROR_EXPIRE 3600

#define	EFX_MAX_INT_ERRORS 5

#define	EFX_RX_FLUSH_COUNT 4

#define	_EFX_CHANNEL_MAGIC_TEST 0x000101

#define	_EFX_CHANNEL_MAGIC_FILL 0x000102

#define	_EFX_CHANNEL_MAGIC_RX_DRAIN 0x000103

#define	_EFX_CHANNEL_MAGIC_TX_DRAIN 0x000104

#define	_EFX_CHANNEL_MAGIC(_code, _data) ((_code) << 8 \| (_data))

#define	_EFX_CHANNEL_MAGIC_CODE(_magic) ((_magic) >> 8)

#define	EFX_CHANNEL_MAGIC_TEST(_channel) _EFX_CHANNEL_MAGIC(_EFX_CHANNEL_MAGIC_TEST, (_channel)->channel)

#define	EFX_CHANNEL_MAGIC_FILL(_rx_queue)

#define	EFX_CHANNEL_MAGIC_RX_DRAIN(_rx_queue)

#define	EFX_CHANNEL_MAGIC_TX_DRAIN(_tx_queue)

#define	REGISTER_REVISION_A 1

#define	REGISTER_REVISION_B 2

#define	REGISTER_REVISION_C 3

#define	REGISTER_REVISION_Z 3 /* latest revision */

#define	REGISTER(name, min_rev, max_rev)

#define	REGISTER_AA(name) REGISTER(name, A, A)

#define	REGISTER_AB(name) REGISTER(name, A, B)

#define	REGISTER_AZ(name) REGISTER(name, A, Z)

#define	REGISTER_BB(name) REGISTER(name, B, B)

#define	REGISTER_BZ(name) REGISTER(name, B, Z)

#define	REGISTER_CZ(name) REGISTER(name, C, Z)

#define	REGISTER_TABLE_DIMENSIONS(_, offset, min_rev, max_rev, step, rows)

#define	REGISTER_TABLE(name, min_rev, max_rev)

#define	REGISTER_TABLE_AA(name) REGISTER_TABLE(name, A, A)

#define	REGISTER_TABLE_AZ(name) REGISTER_TABLE(name, A, Z)

#define	REGISTER_TABLE_BB(name) REGISTER_TABLE(name, B, B)

#define	REGISTER_TABLE_BZ(name) REGISTER_TABLE(name, B, Z)

#define	REGISTER_TABLE_BB_CZ(name)

#define	REGISTER_TABLE_CZ(name) REGISTER_TABLE(name, C, Z)

Functions
int	efx_nic_test_registers (struct efx_nic efx, const struct efx_nic_register_test regs, size_t n_regs)

int	efx_nic_alloc_buffer (struct efx_nic efx, struct efx_buffer buffer, unsigned int len)

void	efx_nic_free_buffer (struct efx_nic efx, struct efx_buffer buffer)

void	efx_nic_push_buffers (struct efx_tx_queue *tx_queue)

int	efx_nic_probe_tx (struct efx_tx_queue *tx_queue)

void	efx_nic_init_tx (struct efx_tx_queue *tx_queue)

void	efx_nic_fini_tx (struct efx_tx_queue *tx_queue)

void	efx_nic_remove_tx (struct efx_tx_queue *tx_queue)

void	efx_nic_notify_rx_desc (struct efx_rx_queue *rx_queue)

int	efx_nic_probe_rx (struct efx_rx_queue *rx_queue)

void	efx_nic_init_rx (struct efx_rx_queue *rx_queue)

void	efx_nic_fini_rx (struct efx_rx_queue *rx_queue)

void	efx_nic_remove_rx (struct efx_rx_queue *rx_queue)

int	efx_nic_flush_queues (struct efx_nic *efx)

void	efx_nic_eventq_read_ack (struct efx_channel *channel)

void	efx_generate_event (struct efx_nic efx, unsigned int evq, efx_qword_t event)

int	efx_nic_process_eventq (struct efx_channel *channel, int budget)

bool	efx_nic_event_present (struct efx_channel *channel)

int	efx_nic_probe_eventq (struct efx_channel *channel)

void	efx_nic_init_eventq (struct efx_channel *channel)

void	efx_nic_fini_eventq (struct efx_channel *channel)

void	efx_nic_remove_eventq (struct efx_channel *channel)

void	efx_nic_event_test_start (struct efx_channel *channel)

void	efx_nic_generate_fill_event (struct efx_rx_queue *rx_queue)

void	efx_nic_enable_interrupts (struct efx_nic *efx)

void	efx_nic_disable_interrupts (struct efx_nic *efx)

void	efx_nic_irq_test_start (struct efx_nic *efx)

irqreturn_t	efx_nic_fatal_interrupt (struct efx_nic *efx)

void	efx_nic_push_rx_indir_table (struct efx_nic *efx)

int	efx_nic_init_interrupt (struct efx_nic *efx)

void	efx_nic_fini_interrupt (struct efx_nic *efx)

void	efx_nic_dimension_resources (struct efx_nic *efx, unsigned sram_lim_qw)

u32	efx_nic_fpga_ver (struct efx_nic *efx)

void	efx_nic_init_common (struct efx_nic *efx)

size_t	efx_nic_get_regs_len (struct efx_nic *efx)

void	efx_nic_get_regs (struct efx_nic efx, void buf)

Macro Definition Documentation

#define _EFX_CHANNEL_MAGIC	(	_code,
		_data
	)	((_code) << 8 \| (_data))

Definition at line 61 of file nic.c.

#define _EFX_CHANNEL_MAGIC_CODE ( _magic ) ((_magic) >> 8)

Definition at line 62 of file nic.c.

#define _EFX_CHANNEL_MAGIC_FILL 0x000102

Definition at line 57 of file nic.c.

#define _EFX_CHANNEL_MAGIC_RX_DRAIN 0x000103

Definition at line 58 of file nic.c.

#define _EFX_CHANNEL_MAGIC_TEST 0x000101

Definition at line 56 of file nic.c.

#define _EFX_CHANNEL_MAGIC_TX_DRAIN 0x000104

Definition at line 59 of file nic.c.

#define EFX_CHANNEL_MAGIC_FILL ( _rx_queue )

Value:

_EFX_CHANNEL_MAGIC(_EFX_CHANNEL_MAGIC_FILL, \

efx_rx_queue_index(_rx_queue))

Definition at line 66 of file nic.c.

#define EFX_CHANNEL_MAGIC_RX_DRAIN ( _rx_queue )

Value:

_EFX_CHANNEL_MAGIC(_EFX_CHANNEL_MAGIC_RX_DRAIN, \

efx_rx_queue_index(_rx_queue))

Definition at line 69 of file nic.c.

#define EFX_CHANNEL_MAGIC_TEST ( _channel ) _EFX_CHANNEL_MAGIC(_EFX_CHANNEL_MAGIC_TEST, (_channel)->channel)

Definition at line 64 of file nic.c.

#define EFX_CHANNEL_MAGIC_TX_DRAIN ( _tx_queue )

Value:

_EFX_CHANNEL_MAGIC(_EFX_CHANNEL_MAGIC_TX_DRAIN, \

(_tx_queue)->queue)

Definition at line 72 of file nic.c.

#define EFX_INT_ERROR_EXPIRE 3600

Definition at line 49 of file nic.c.

#define EFX_MAX_INT_ERRORS 5

Definition at line 50 of file nic.c.

#define EFX_RX_FLUSH_COUNT 4

Definition at line 53 of file nic.c.

#define REGISTER	(	name,
		min_rev,
		max_rev
	)

Value:

{               \
    FR_ ## min_rev ## max_rev ## _ ## name,             \
    REGISTER_REVISION_ ## min_rev, REGISTER_REVISION_ ## max_rev    \
}

Definition at line 1802 of file nic.c.

#define REGISTER_AA ( name ) REGISTER(name, A, A)

Definition at line 1806 of file nic.c.

#define REGISTER_AB ( name ) REGISTER(name, A, B)

Definition at line 1807 of file nic.c.

#define REGISTER_AZ ( name ) REGISTER(name, A, Z)

Definition at line 1808 of file nic.c.

#define REGISTER_BB ( name ) REGISTER(name, B, B)

Definition at line 1809 of file nic.c.

#define REGISTER_BZ ( name ) REGISTER(name, B, Z)

Definition at line 1810 of file nic.c.

#define REGISTER_CZ ( name ) REGISTER(name, C, Z)

Definition at line 1811 of file nic.c.

#define REGISTER_REVISION_A 1

Definition at line 1792 of file nic.c.

#define REGISTER_REVISION_B 2

Definition at line 1793 of file nic.c.

#define REGISTER_REVISION_C 3

Definition at line 1794 of file nic.c.

#define REGISTER_REVISION_Z 3 /* latest revision */

Definition at line 1795 of file nic.c.

#define REGISTER_TABLE	(	name,
		min_rev,
		max_rev
	)

Value:

REGISTER_TABLE_DIMENSIONS(                  \
        name, FR_ ## min_rev ## max_rev ## _ ## name,       \
        min_rev, max_rev,                   \
        FR_ ## min_rev ## max_rev ## _ ## name ## _STEP,    \
        FR_ ## min_rev ## max_rev ## _ ## name ## _ROWS)

Definition at line 1931 of file nic.c.

#define REGISTER_TABLE_AA ( name ) REGISTER_TABLE(name, A, A)

Definition at line 1937 of file nic.c.

#define REGISTER_TABLE_AZ ( name ) REGISTER_TABLE(name, A, Z)

Definition at line 1938 of file nic.c.

#define REGISTER_TABLE_BB ( name ) REGISTER_TABLE(name, B, B)

Definition at line 1939 of file nic.c.

#define REGISTER_TABLE_BB_CZ ( name )

Value:

REGISTER_TABLE_DIMENSIONS(name, FR_BZ_ ## name, B, B,       \
                  FR_BZ_ ## name ## _STEP,      \
                  FR_BB_ ## name ## _ROWS),     \
    REGISTER_TABLE_DIMENSIONS(name, FR_BZ_ ## name, C, Z,       \
                  FR_BZ_ ## name ## _STEP,      \
                  FR_CZ_ ## name ## _ROWS)

Definition at line 1941 of file nic.c.

#define REGISTER_TABLE_BZ ( name ) REGISTER_TABLE(name, B, Z)

Definition at line 1940 of file nic.c.

#define REGISTER_TABLE_CZ ( name ) REGISTER_TABLE(name, C, Z)

Definition at line 1948 of file nic.c.

#define REGISTER_TABLE_DIMENSIONS	(	_,
		offset,
		min_rev,
		max_rev,
		step,
		rows
	)

Value:

{ \
	offset,                                \
    REGISTER_REVISION_ ## min_rev, REGISTER_REVISION_ ## max_rev,   \
    step, rows                          \
}

Definition at line 1926 of file nic.c.

#define RX_DC_ENTRIES 64

Definition at line 42 of file nic.c.

#define RX_DC_ENTRIES_ORDER 3

Definition at line 43 of file nic.c.

#define TX_DC_ENTRIES 16

Definition at line 39 of file nic.c.

#define TX_DC_ENTRIES_ORDER 1

Definition at line 40 of file nic.c.

Function Documentation

void efx_generate_event	(	struct efx_nic *	efx,
		unsigned int	evq,
		efx_qword_t *	event
	)

Definition at line 774 of file nic.c.

int efx_nic_alloc_buffer	(	struct efx_nic *	efx,
		struct efx_buffer *	buffer,
		unsigned int	len
	)

Definition at line 305 of file nic.c.

void efx_nic_dimension_resources	(	struct efx_nic *	efx,
		unsigned	sram_lim_qw
	)

Definition at line 1651 of file nic.c.

void efx_nic_disable_interrupts ( struct efx_nic * efx )

Definition at line 1376 of file nic.c.

void efx_nic_enable_interrupts ( struct efx_nic * efx )

Definition at line 1368 of file nic.c.

bool efx_nic_event_present ( struct efx_channel * channel )

Definition at line 1260 of file nic.c.

void efx_nic_event_test_start ( struct efx_channel * channel )

Definition at line 1334 of file nic.c.

void efx_nic_eventq_read_ack ( struct efx_channel * channel )

Definition at line 762 of file nic.c.

irqreturn_t efx_nic_fatal_interrupt ( struct efx_nic * efx )

Definition at line 1396 of file nic.c.

void efx_nic_fini_eventq ( struct efx_channel * channel )

Definition at line 1311 of file nic.c.

void efx_nic_fini_interrupt ( struct efx_nic * efx )

Definition at line 1620 of file nic.c.

void efx_nic_fini_rx ( struct efx_rx_queue * rx_queue )

Definition at line 633 of file nic.c.

void efx_nic_fini_tx ( struct efx_tx_queue * tx_queue )

Definition at line 503 of file nic.c.

int efx_nic_flush_queues ( struct efx_nic * efx )

Definition at line 675 of file nic.c.

u32 efx_nic_fpga_ver ( struct efx_nic * efx )

Definition at line 1694 of file nic.c.

void efx_nic_free_buffer	(	struct efx_nic *	efx,
		struct efx_buffer *	buffer
	)

Definition at line 317 of file nic.c.

void efx_nic_generate_fill_event ( struct efx_rx_queue * rx_queue )

Definition at line 1341 of file nic.c.

void efx_nic_get_regs	(	struct efx_nic *	efx,
		void *	buf
	)

Definition at line 2004 of file nic.c.

size_t efx_nic_get_regs_len ( struct efx_nic * efx )

Definition at line 1981 of file nic.c.

void efx_nic_init_common ( struct efx_nic * efx )

Definition at line 1701 of file nic.c.

void efx_nic_init_eventq ( struct efx_channel * channel )

Definition at line 1276 of file nic.c.

int efx_nic_init_interrupt ( struct efx_nic * efx )

Definition at line 1575 of file nic.c.

void efx_nic_init_rx ( struct efx_rx_queue * rx_queue )

Definition at line 586 of file nic.c.

void efx_nic_init_tx ( struct efx_tx_queue * tx_queue )

Definition at line 436 of file nic.c.

void efx_nic_irq_test_start ( struct efx_nic * efx )

Definition at line 1386 of file nic.c.

void efx_nic_notify_rx_desc ( struct efx_rx_queue * rx_queue )

Definition at line 556 of file nic.c.

int efx_nic_probe_eventq ( struct efx_channel * channel )

Definition at line 1266 of file nic.c.

int efx_nic_probe_rx ( struct efx_rx_queue * rx_queue )

Definition at line 576 of file nic.c.

int efx_nic_probe_tx ( struct efx_tx_queue * tx_queue )

Definition at line 426 of file nic.c.

int efx_nic_process_eventq	(	struct efx_channel *	channel,
		int	budget
	)

Definition at line 1184 of file nic.c.

void efx_nic_push_buffers ( struct efx_tx_queue * tx_queue )

Definition at line 387 of file nic.c.

void efx_nic_push_rx_indir_table ( struct efx_nic * efx )

Definition at line 1554 of file nic.c.

void efx_nic_remove_eventq ( struct efx_channel * channel )

Definition at line 1328 of file nic.c.

void efx_nic_remove_rx ( struct efx_rx_queue * rx_queue )

Definition at line 648 of file nic.c.

void efx_nic_remove_tx ( struct efx_tx_queue * tx_queue )

Definition at line 518 of file nic.c.

int efx_nic_test_registers	(	struct efx_nic *	efx,
		const struct efx_nic_register_test *	regs,
		size_t	n_regs
	)

Definition at line 120 of file nic.c.

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation