undi_nii.c

网卡 BOOT ROM 的 64 住源程序。模块有：核心代码、H文件、网卡驱动程序、头代码文件。

#include "efi/efi.h"
#include "etherboot.h"
#include "isa.h"
#include "dev.h"
#include "nic.h"
#include "timer.h"

#warning "Place the declaraction of __call someplace more appropriate\n"
extern EFI_STATUS __call(void *,...);
#warning "Place a declaration of lookup_efi_nic somewhere useful"
EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE *lookup_efi_nic(int index);

struct sw_undi {
	uint8_t  signature[4];
	uint8_t  len;
	uint8_t  fudge;
	uint8_t  rev;
	uint8_t  ifcnt;
	uint8_t  major;
	uint8_t  minor;
	uint16_t reserved1;
	uint32_t implementation;
#define UNDI_IMP_CMD_COMPLETE_INT_SUPPORTED		0x00000001
#define UNDI_IMP_PACKET_RX_INT_SUPPORTED		0x00000002
#define UNDI_IMP_TX_COMPLETE_INT_SUPPORTED		0x00000004
#define UNDI_IMP_SOFTWARE_INT_SUPPORTED			0x00000008
#define UNDI_IMP_FILTERED_MULTICAST_RX_SUPPORTED	0x00000010
#define UNDI_IMP_BROADCAST_RX_SUPPORTED			0x00000020
#define UNDI_IMP_PROMISCUOUS_RX_SUPPORTED		0x00000040
#define UNDI_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED	0x00000080
#define UNDI_IMP_STATION_ADDR_SETTABLE			0x00000100
#define UNDI_IMP_STATISTICS_SUPPORTED			0x00000200
#define UNDI_IMP_NVDATA_SUPPORT_MASK			0x00000C00
#define UNDI_IMP_NVDATA_NOT_AVAILABLE			0x00000000
#define UNDI_IMP_NVDATA_READ_ONLY			0x00000400
#define UNDI_IMP_NVDATA_SPARSE_WRITEABLE		0x00000800
#define UNDI_IMP_NVDATA_BULK_WRITEABLE			0x00000C00
#define UNDI_IMP_MULTI_FRAME_SUPPORTED			0x00001000
#define UNDI_IMP_CMD_QUEUE_SUPPORTED			0x00002000
#define UNDI_IMP_CMD_LINK_SUPPORTED			0x00004000
#define UNDI_IMP_FRAG_SUPPORTED				0x00008000
#define UNDI_IMP_64BIT_DEVICE				0x00010000
#define UNDI_IMP_SW_VIRT_ADDR				0x40000000
#define UNDI_IMP_HW_UNDI				0x80000000
	uint64_t entry_point;
	uint8_t  reserved2[3];
	uint8_t  bus_type_cnt;
	uint32_t bus_type[0];
};

struct cdb {
	uint16_t op_code;
#define CDB_OP_GET_STATE		0x0000
#define CDB_OP_START			0x0001
#define CDB_OP_STOP			0x0002
#define CDB_OP_GET_INIT_INFO		0x0003
#define CDB_OP_GET_CONFIG_INFO		0x0004
#define CDB_OP_INITIALIZE		0x0005
#define CDB_OP_RESET			0x0006
#define CDB_OP_SHUTDOWN			0x0007
#define CDB_OP_INTERRUPT_ENABLES	0x0008
#define CDB_OP_RECEIVE_FILTERS		0x0009
#define CDB_OP_STATION_ADDRESS		0x000a
#define CDB_OP_STATISTICS		0x000b
#define CDB_OP_MCAST_IP_TO_MAC		0x000c
#define CDB_OP_NVDATA			0x000d
#define CDB_OP_GET_STATUS		0x000e
#define CDB_OP_FILL_HEADER		0x000f
#define CDB_OP_TRANSMIT			0x0010
#define CDB_OP_RECEIVE			0x0011
	uint16_t op_flags;
#define CDB_OPFLAGS_NOT_USED			0x0000
/* Initialize */
#define CDB_OPFLAGS_INIT_CABLE_DETECT_MASK	0x0001
#define CDB_OPFLAGS_INIT_DETECT_CABLE		0x0000
#define CDB_OPFLAGS_INIT_DO_NOT_DETECT_CABLE	0x0001
/* Reset */
#define CDB_OPFLAGS_RESET_DISABLE_INTERRUPTS	0x0001
#define CDB_OPFLAGS_RESET_DISABLE_FILTERS	0x0002
/* Interrupt Enables */
#define CDB_OPFLAGS_INTERRUPT_OPMASK		0xc000
#define CDB_OPFLAGS_INTERRUPT_ENABLE		0x8000
#define CDB_OPFLAGS_INTERRUPT_DISABLE		0x4000
#define CDB_OPFLAGS_INTERRUPT_READ		0x0000
#define CDB_OPFLAGS_INTERRUPT_RECEIVE		0x0001
#define CDB_OPFLAGS_INTERRUPT_TRANSMIT		0x0002
#define CDB_OPFLAGS_INTERRUPT_COMMAND		0x0004
#define CDB_OPFLAGS_INTERRUPT_SOFTWARE		0x0008
/* Receive Filters */
#define CDB_OPFLAGS_RECEIVE_FILTER_OPMASK		0xc000
#define CDB_OPFLAGS_RECEIVE_FILTER_ENABLE		0x8000
#define CDB_OPFLAGS_RECEIVE_FILTER_DISABLE		0x4000
#define CDB_OPFLAGS_RECEIVE_FILTER_READ			0x0000
#define CDB_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST	0x2000
#define CDB_OPFLAGS_RECEIVE_FILTER_UNICAST		0x0001
#define CDB_OPFLAGS_RECEIVE_FILTER_BROADCAST		0x0002
#define CDB_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST	0x0004
#define CDB_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS		0x0008
#define CDB_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST	0x0010
/* Station Address */
#define CDB_OPFLAGS_STATION_ADDRESS_READ	0x0000
#define CDB_OPFLAGS_STATION_ADDRESS_WRITE	0x0000
#define CDB_OPFLAGS_STATION_ADDRESS_RESET	0x0001
/* Statistics */
#define CDB_OPFLAGS_STATISTICS_READ		0x0000
#define CDB_OPFLAGS_STATISTICS_RESET		0x0001
/* MCast IP to MAC */
#define CDB_OPFLAGS_MCAST_IP_TO_MAC_OPMASK	0x0003
#define CDB_OPFLAGS_MCAST_IPV4_TO_MAC		0x0000
#define CDB_OPFLAGS_MCAST_IPV6_TO_MAC		0x0001
/* NvData */
#define CDB_OPFLAGS_NVDATA_OPMASK		0x0001
#define CDB_OPFLAGS_NVDATA_READ			0x0000
#define CDB_OPFLAGS_NVDATA_WRITE		0x0001
/* Get Status */
#define CDB_OPFLAGS_GET_INTERRUPT_STATUS	0x0001
#define CDB_OPFLAGS_GET_TRANSMITTED_BUFFERS	0x0002
/* Fill Header */
#define CDB_OPFLAGS_FILL_HEADER_OPMASK		0x0001
#define CDB_OPFLAGS_FILL_HEADER_FRAGMENTED	0x0001
#define CDB_OPFLAGS_FILL_HEADER_WHOLE		0x0000
/* Transmit */
#define CDB_OPFLAGS_SWUNDI_TRANSMIT_OPMASK	0x0001
#define CDB_OPFLAGS_TRANSMIT_BLOCK		0x0001
#define CDB_OPFLAGS_TRANSMIT_DONT_BLOCK		0x0000

#define CDB_OPFLAGS_TRANSMIT_OPMASK		0x0002
#define CDB_OPFLAGS_TRANSMIT_FRAGMENTED		0x0002
#define CDB_OPFLAGS_TRANSMIT_WHOLE		0x0000
/* Receive */
	uint16_t cpb_size;
	uint16_t db_size;
	uint64_t cpb_addr;
	uint64_t db_addr;
	uint16_t stat_code;
#define CDB_STATCODE_INITIALIZE			0x0000
/* Common stat_code values */
#define CDB_STATCODE_SUCCESS			0x0000
#define CDB_STATCODE_INVALID_CDB		0x0001
#define CDB_STATCODE_INVALID_CPB		0x0002
#define CDB_STATCODE_BUSY			0x0003
#define CDB_STATCODE_QUEUE_FULL			0x0004
#define CDB_STATCODE_ALREADY_STARTED		0x0005
#define CDB_STATCODE_NOT_STARTED		0x0006
#define CDB_STATCODE_NOT_SHUTDOWN		0x0007
#define CDB_STATCODE_ALREADY_INITIALIZED	0x0008
#define CDB_STATCODE_NOT_INITIALIZED		0x0009
#define CDB_STATCODE_DEVICE_FAILURE		0x000A
#define CDB_STATCODE_NVDATA_FAILURE		0x000B
#define CDB_STATCODE_UNSUPPORTED		0x000C
#define CDB_STATCODE_BUFFER_FULL		0x000D
#define CDB_STATCODE_INVALID_PARAMETER		0x000E
#define CDB_STATCODE_INVALID_UNDI		0x000F
#define CDB_STATCODE_IPV4_NOT_SUPPORTED		0x0010
#define CDB_STATCODE_IPV6_NOT_SUPPORTED		0x0011
#define CDB_STATCODE_NOT_ENOUGH_MEMORY		0x0012
#define CDB_STATCODE_NO_DATA			0x0013

	uint16_t stat_flags;
#define CDB_STATFLAGS_INITIALIZE		0x0000
/* Common stat_flags */
#define CDB_STATFLAGS_STATUS_MASK		0xc000
#define CDB_STATFLAGS_COMMAND_COMPLETE		0xc000
#define CDB_STATFLAGS_COMMAND_FAILED		0x8000
#define CDB_STATFLAGS_COMMAND_QUEUED		0x4000
/* Get State */
#define CDB_STATFLAGS_GET_STATE_MASK		0x0003
#define CDB_STATFLAGS_GET_STATE_INITIALIZED	0x0002
#define CDB_STATFLAGS_GET_STATE_STARTED		0x0001
#define CDB_STATFLAGS_GET_STATE_STOPPED		0x0000
/* Start */
/* Get Init Info */
#define CDB_STATFLAGS_CABLE_DETECT_MASK			0x0001
#define CDB_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED	0x0000
#define CDB_STATFLAGS_CABLE_DETECT_SUPPORTED		0x0001
/* Initialize */
#define CDB_STATFLAGS_INITIALIZED_NO_MEDIA	0x0001
/* Reset */
#define CDB_STATFLAGS_RESET_NO_MEDIA		0x0001
/* Shutdown */
/* Interrupt Enables */
#define CDB_STATFLAGS_INTERRUPT_RECEIVE		0x0001
#define CDB_STATFLAGS_INTERRUPT_TRANSMIT	0x0002
#define CDB_STATFLAGS_INTERRUPT_COMMAND		0x0004
/* Receive Filters */
#define CDB_STATFLAGS_RECEIVE_FILTER_UNICAST		0x0001
#define CDB_STATFLAGS_RECEIVE_FILTER_BROADCAST		0x0002
#define CDB_STATFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST	0x0004
#define CDB_STATFLAGS_RECEIVE_FILTER_PROMISCUOUS	0x0008
#define CDB_STATFLAGS_RECEIVE_FILTER_ALL_MULTICAST	0x0010
/* Statistics */
/* MCast IP to MAC */
/* NvData */
/* Get Status */
#define CDB_STATFLAGS_GET_STATUS_INTERRUPT_MASK		0x000F
#define CDB_STATFLAGS_GET_STATUS_NO_INTERRUPTS		0x0000
#define CDB_STATFLAGS_GET_STATUS_RECEIVE		0x0001
#define CDB_STATFLAGS_GET_STATUS_TRANSMIT		0x0002
#define CDB_STATFLAGS_GET_STATUS_COMMAND		0x0004
#define CDB_STATFLAGS_GET_STATUS_SOFTWARE		0x0008
#define CDB_STATFLAGS_GET_STATUS_TXBUF_QUEUE_EMPTY	0x0010
#define CDB_STATFLAGS_GET_STATUS_NO_TXBUFS_WRITTEN	0x0020
/* Fill Header */
/* Transmit */
/* Receive */
	uint16_t ifnum;
#define CDB_IFNUM_START				0x0000
#define CDB_IFNUM_INVALID			0x0000
	uint16_t control;
#define CDB_CONTROL_QUEUE_IF_BUSY		0x0002

#define CDB_CONTROL_LINK			0x0001
#define CDB_CONTROL_LAST_CDB_IN_LIST		0x0000
};

#define UNDI_MAC_LENGTH 32
typedef uint8_t undi_mac_addr[UNDI_MAC_LENGTH];
typedef uint16_t undi_media_protocol;
typedef uint8_t undi_frame_type;
#define UNDI_FRAME_TYPE_NONE		0x00
#define UNDI_FRAME_TYPE_UNICAST		0x01
#define UNDI_FRAME_TYPE_BROADCAST	0x02
#define UNDI_FRAME_TYPE_MULTICAST	0x03
#define UNDI_FRAME_TYPE_PROMISCUOUS	0x04

#define UNDI_MAX_XMIT_BUFFERS 32
#define UNDI_MAX_MCAST_ADDRESS_CNT 8

#define UNDI_BUS_TYPE(a,b,c,d) \
	((((d) & 0xff) << 24) | \
	 (((c) & 0xff) << 16) | \
	 (((b) & 0xff) <<  8) | \
	 (((a) & 0xff) <<  0))

#define UNDI_BUS_TYPE_PCI	UNDI_BUS_TYPE('P','C','I','R')
#define UNDI_BUS_TYPE_PCC	UNDI_BUS_TYPE('P','C','C','R')
#define UNDI_BUS_TYPE_USB	UNDI_BUS_TYPE('U','S','B','R')
#define UNDI_BUS_TYPE_1394	UNDI_BUS_TYPE('1','3','9','4')

struct cpb_start {
	void *delay;
	void *block;
	void *virt2phys;
	void *mem_io;
} PACKED;

struct db_init_info {
	uint32_t memory_required;
	uint32_t frame_data_len;
	uint32_t link_speeds[4];
	uint32_t nv_count;
	uint16_t nv_width;
	uint16_t media_header_len;
	uint16_t hw_addr_len;
	uint16_t mcast_filter_cnt;
	uint16_t tx_buf_cnt;
	uint16_t tx_buf_size;
	uint16_t rx_buf_cnt;
	uint16_t rx_buf_size;
	uint8_t  if_type;
	uint8_t  duplex;
#define UNDI_DUPLEX_ENABLE_FULL_SUPPORTED	1
#define UNDI_DUPLEX_FORCE_FULL_SUPPORTED	2
	uint8_t  loopback;
#define UNDI_LOOPBACK_INTERNAL_SUPPORTED	1
#define UNDI_LOOPBACK_EXTERNAL_SUPPORTED	2
} PACKED;


struct db_pci_config_info {
	uint32_t bus_type;
	uint16_t bus;
	uint8_t  device;
	uint8_t  function;
	uint8_t  config[256];
};
struct db_pcc_config_info {
	uint32_t bus_type;
	uint16_t bus;
	uint8_t  device;
	uint8_t  function;
	uint8_t  config[256];
};
struct db_usb_config_info {
	uint32_t bus_type;
};
struct db_iee1394_config_info {
	uint32_t bus_type;
};
struct db_config_info {
	union {
		struct db_pci_config_info pci;
		struct db_pcc_config_info pcc;
		struct db_usb_config_info usb;
		struct db_iee1394_config_info iee1394;
	};
};

struct cpb_initialize {
	uint64_t memory_addr;
	uint32_t memory_length;
	uint32_t link_speed;
	uint16_t tx_buf_cnt;
	uint16_t tx_buf_size;
	uint16_t rx_buf_cnt;
	uint16_t rx_buf_size;
	uint8_t  duplex;
	uint8_t  loopback;
} PACKED;

struct db_initialize {
	uint32_t memory_used;
	uint16_t tx_buf_cnt;
	uint16_t tx_buf_size;
	uint16_t rx_buf_cnt;
	uint16_t rx_buf_size;
} PACKED;

struct cpb_station_address {
	undi_mac_addr station_addr;
} PACKED;

struct db_station_address {
	undi_mac_addr station_address;
	undi_mac_addr broadcast_address;
	undi_mac_addr permanent_address;
} PACKED;

struct cpb_receive_filters {
	undi_mac_addr mcast_list[UNDI_MAX_MCAST_ADDRESS_CNT];
} PACKED;

struct db_receive_filters {
	undi_mac_addr mcast_list[UNDI_MAX_MCAST_ADDRESS_CNT];
} PACKED;


struct db_get_status {
	uint32_t rx_frame_len;
	uint32_t reserved;
	uint64_t tx_buffer[UNDI_MAX_XMIT_BUFFERS];
} PACKED;

struct cpb_transmit {
	uint64_t frame_addr;
	uint32_t data_len;
	uint16_t media_header_len;
	uint16_t reserved;
} PACKED;

struct cpb_receive {
	uint64_t buffer_addr;
	uint32_t buffer_len;
	uint32_t reserved;
} PACKED;
struct db_receive {
	undi_mac_addr src_addr;
	undi_mac_addr dest_addr;
	uint32_t frame_len;
	undi_media_protocol protocol;