diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/intel.h')
| -rw-r--r-- | qemu/roms/ipxe/src/drivers/net/intel.h | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/intel.h b/qemu/roms/ipxe/src/drivers/net/intel.h deleted file mode 100644 index ce9e3f467..000000000 --- a/qemu/roms/ipxe/src/drivers/net/intel.h +++ /dev/null @@ -1,342 +0,0 @@ -#ifndef _INTEL_H -#define _INTEL_H - -/** @file - * - * Intel 10/100/1000 network card driver - * - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <stdint.h> -#include <ipxe/if_ether.h> -#include <ipxe/nvs.h> - -/** Intel BAR size */ -#define INTEL_BAR_SIZE ( 128 * 1024 ) - -/** A packet descriptor */ -struct intel_descriptor { - /** Buffer address */ - uint64_t address; - /** Length */ - uint16_t length; - /** Flags */ - uint8_t flags; - /** Command */ - uint8_t command; - /** Status */ - uint32_t status; -} __attribute__ (( packed )); - -/** Descriptor type */ -#define INTEL_DESC_FL_DTYP( dtyp ) ( (dtyp) << 4 ) -#define INTEL_DESC_FL_DTYP_DATA INTEL_DESC_FL_DTYP ( 0x03 ) - -/** Descriptor extension */ -#define INTEL_DESC_CMD_DEXT 0x20 - -/** Report status */ -#define INTEL_DESC_CMD_RS 0x08 - -/** Insert frame checksum (CRC) */ -#define INTEL_DESC_CMD_IFCS 0x02 - -/** End of packet */ -#define INTEL_DESC_CMD_EOP 0x01 - -/** Descriptor done */ -#define INTEL_DESC_STATUS_DD 0x00000001UL - -/** Receive error */ -#define INTEL_DESC_STATUS_RXE 0x00000100UL - -/** Payload length */ -#define INTEL_DESC_STATUS_PAYLEN( len ) ( (len) << 14 ) - -/** Device Control Register */ -#define INTEL_CTRL 0x00000UL -#define INTEL_CTRL_LRST 0x00000008UL /**< Link reset */ -#define INTEL_CTRL_ASDE 0x00000020UL /**< Auto-speed detection */ -#define INTEL_CTRL_SLU 0x00000040UL /**< Set link up */ -#define INTEL_CTRL_FRCSPD 0x00000800UL /**< Force speed */ -#define INTEL_CTRL_FRCDPLX 0x00001000UL /**< Force duplex */ -#define INTEL_CTRL_RST 0x04000000UL /**< Device reset */ -#define INTEL_CTRL_PHY_RST 0x80000000UL /**< PHY reset */ - -/** Time to delay for device reset, in milliseconds */ -#define INTEL_RESET_DELAY_MS 20 - -/** Device Status Register */ -#define INTEL_STATUS 0x00008UL -#define INTEL_STATUS_LU 0x00000002UL /**< Link up */ - -/** EEPROM Read Register */ -#define INTEL_EERD 0x00014UL -#define INTEL_EERD_START 0x00000001UL /**< Start read */ -#define INTEL_EERD_DONE_SMALL 0x00000010UL /**< Read done (small EERD) */ -#define INTEL_EERD_DONE_LARGE 0x00000002UL /**< Read done (large EERD) */ -#define INTEL_EERD_ADDR_SHIFT_SMALL 8 /**< Address shift (small) */ -#define INTEL_EERD_ADDR_SHIFT_LARGE 2 /**< Address shift (large) */ -#define INTEL_EERD_DATA(value) ( (value) >> 16 ) /**< Read data */ - -/** Maximum time to wait for EEPROM read, in milliseconds */ -#define INTEL_EEPROM_MAX_WAIT_MS 100 - -/** EEPROM word length */ -#define INTEL_EEPROM_WORD_LEN_LOG2 1 - -/** Minimum EEPROM size, in words */ -#define INTEL_EEPROM_MIN_SIZE_WORDS 64 - -/** Offset of MAC address within EEPROM */ -#define INTEL_EEPROM_MAC 0x00 - -/** Interrupt Cause Read Register */ -#define INTEL_ICR 0x000c0UL -#define INTEL_IRQ_TXDW 0x00000001UL /**< Transmit descriptor done */ -#define INTEL_IRQ_TXQE 0x00000002UL /**< Transmit queue empty */ -#define INTEL_IRQ_LSC 0x00000004UL /**< Link status change */ -#define INTEL_IRQ_RXDMT0 0x00000010UL /**< Receive queue low */ -#define INTEL_IRQ_RXT0 0x00000080UL /**< Receive timer */ -#define INTEL_IRQ_RXO 0x00000400UL /**< Receive overrun */ - -/** Interrupt Mask Set/Read Register */ -#define INTEL_IMS 0x000d0UL - -/** Interrupt Mask Clear Register */ -#define INTEL_IMC 0x000d8UL - -/** Receive Control Register */ -#define INTEL_RCTL 0x00100UL -#define INTEL_RCTL_EN 0x00000002UL /**< Receive enable */ -#define INTEL_RCTL_UPE 0x00000008UL /**< Unicast promiscuous mode */ -#define INTEL_RCTL_MPE 0x00000010UL /**< Multicast promiscuous */ -#define INTEL_RCTL_BAM 0x00008000UL /**< Broadcast accept mode */ -#define INTEL_RCTL_BSIZE_BSEX(bsex,bsize) \ - ( ( (bsize) << 16 ) | ( (bsex) << 25 ) ) /**< Buffer size */ -#define INTEL_RCTL_BSIZE_2048 INTEL_RCTL_BSIZE_BSEX ( 0, 0 ) -#define INTEL_RCTL_BSIZE_BSEX_MASK INTEL_RCTL_BSIZE_BSEX ( 1, 3 ) -#define INTEL_RCTL_SECRC 0x04000000UL /**< Strip CRC */ - -/** Transmit Control Register */ -#define INTEL_TCTL 0x00400UL -#define INTEL_TCTL_EN 0x00000002UL /**< Transmit enable */ -#define INTEL_TCTL_PSP 0x00000008UL /**< Pad short packets */ -#define INTEL_TCTL_CT(x) ( (x) << 4 ) /**< Collision threshold */ -#define INTEL_TCTL_CT_DEFAULT INTEL_TCTL_CT ( 0x0f ) -#define INTEL_TCTL_CT_MASK INTEL_TCTL_CT ( 0xff ) -#define INTEL_TCTL_COLD(x) ( (x) << 12 ) /**< Collision distance */ -#define INTEL_TCTL_COLD_DEFAULT INTEL_TCTL_COLD ( 0x040 ) -#define INTEL_TCTL_COLD_MASK INTEL_TCTL_COLD ( 0x3ff ) - -/** Packet Buffer Allocation */ -#define INTEL_PBA 0x01000UL - -/** Packet Buffer Size */ -#define INTEL_PBS 0x01008UL - -/** Receive Descriptor register block */ -#define INTEL_RD 0x02800UL - -/** Number of receive descriptors - * - * Minimum value is 8, since the descriptor ring length must be a - * multiple of 128. - */ -#define INTEL_NUM_RX_DESC 16 - -/** Receive descriptor ring fill level */ -#define INTEL_RX_FILL 8 - -/** Receive buffer length */ -#define INTEL_RX_MAX_LEN 2048 - -/** Transmit Descriptor register block */ -#define INTEL_TD 0x03800UL - -/** Number of transmit descriptors - * - * Descriptor ring length must be a multiple of 16. ICH8/9/10 - * requires a minimum of 16 TX descriptors. - */ -#define INTEL_NUM_TX_DESC 16 - -/** Transmit descriptor ring maximum fill level */ -#define INTEL_TX_FILL ( INTEL_NUM_TX_DESC - 1 ) - -/** Receive/Transmit Descriptor Base Address Low (offset) */ -#define INTEL_xDBAL 0x00 - -/** Receive/Transmit Descriptor Base Address High (offset) */ -#define INTEL_xDBAH 0x04 - -/** Receive/Transmit Descriptor Length (offset) */ -#define INTEL_xDLEN 0x08 - -/** Receive/Transmit Descriptor Head (offset) */ -#define INTEL_xDH 0x10 - -/** Receive/Transmit Descriptor Tail (offset) */ -#define INTEL_xDT 0x18 - -/** Receive/Transmit Descriptor Control (offset) */ -#define INTEL_xDCTL 0x28 -#define INTEL_xDCTL_ENABLE 0x02000000UL /**< Queue enable */ - -/** Receive Address Low */ -#define INTEL_RAL0 0x05400UL - -/** Receive Address High */ -#define INTEL_RAH0 0x05404UL -#define INTEL_RAH0_AV 0x80000000UL /**< Address valid */ - -/** Receive address */ -union intel_receive_address { - struct { - uint32_t low; - uint32_t high; - } __attribute__ (( packed )) reg; - uint8_t raw[ETH_ALEN]; -}; - -/** An Intel descriptor ring */ -struct intel_ring { - /** Descriptors */ - struct intel_descriptor *desc; - /** Producer index */ - unsigned int prod; - /** Consumer index */ - unsigned int cons; - - /** Register block */ - unsigned int reg; - /** Length (in bytes) */ - size_t len; - - /** Populate descriptor - * - * @v desc Descriptor - * @v addr Data buffer address - * @v len Length of data - */ - void ( * describe ) ( struct intel_descriptor *desc, physaddr_t addr, - size_t len ); -}; - -/** - * Initialise descriptor ring - * - * @v ring Descriptor ring - * @v count Number of descriptors - * @v reg Descriptor register block - * @v describe Method to populate descriptor - */ -static inline __attribute__ (( always_inline)) void -intel_init_ring ( struct intel_ring *ring, unsigned int count, unsigned int reg, - void ( * describe ) ( struct intel_descriptor *desc, - physaddr_t addr, size_t len ) ) { - - ring->len = ( count * sizeof ( ring->desc[0] ) ); - ring->reg = reg; - ring->describe = describe; -} - -/** An Intel virtual function mailbox */ -struct intel_mailbox { - /** Mailbox control register */ - unsigned int ctrl; - /** Mailbox memory base */ - unsigned int mem; -}; - -/** - * Initialise mailbox - * - * @v mbox Mailbox - * @v ctrl Mailbox control register - * @v mem Mailbox memory register base - */ -static inline __attribute__ (( always_inline )) void -intel_init_mbox ( struct intel_mailbox *mbox, unsigned int ctrl, - unsigned int mem ) { - - mbox->ctrl = ctrl; - mbox->mem = mem; -} - -/** An Intel network card */ -struct intel_nic { - /** Registers */ - void *regs; - /** Port number (for multi-port devices) */ - unsigned int port; - /** Flags */ - unsigned int flags; - /** Forced interrupts */ - unsigned int force_icr; - - /** EEPROM */ - struct nvs_device eeprom; - /** EEPROM done flag */ - uint32_t eerd_done; - /** EEPROM address shift */ - unsigned int eerd_addr_shift; - - /** Mailbox */ - struct intel_mailbox mbox; - - /** Transmit descriptor ring */ - struct intel_ring tx; - /** Receive descriptor ring */ - struct intel_ring rx; - /** Receive I/O buffers */ - struct io_buffer *rx_iobuf[INTEL_NUM_RX_DESC]; -}; - -/** Driver flags */ -enum intel_flags { - /** PBS/PBA errata workaround required */ - INTEL_PBS_ERRATA = 0x0001, - /** VMware missing interrupt workaround required */ - INTEL_VMWARE = 0x0002, -}; - -/** - * Dump diagnostic information - * - * @v intel Intel device - */ -static inline void intel_diag ( struct intel_nic *intel ) { - - DBGC ( intel, "INTEL %p TX %04x(%02x)/%04x(%02x) " - "RX %04x(%02x)/%04x(%02x)\n", intel, - ( intel->tx.cons & 0xffff ), - readl ( intel->regs + intel->tx.reg + INTEL_xDH ), - ( intel->tx.prod & 0xffff ), - readl ( intel->regs + intel->tx.reg + INTEL_xDT ), - ( intel->rx.cons & 0xffff ), - readl ( intel->regs + intel->rx.reg + INTEL_xDH ), - ( intel->rx.prod & 0xffff ), - readl ( intel->regs + intel->rx.reg + INTEL_xDT ) ); -} - -extern void intel_describe_tx ( struct intel_descriptor *tx, - physaddr_t addr, size_t len ); -extern void intel_describe_tx_adv ( struct intel_descriptor *tx, - physaddr_t addr, size_t len ); -extern void intel_describe_rx ( struct intel_descriptor *rx, - physaddr_t addr, size_t len ); -extern int intel_create_ring ( struct intel_nic *intel, - struct intel_ring *ring ); -extern void intel_destroy_ring ( struct intel_nic *intel, - struct intel_ring *ring ); -extern void intel_refill_rx ( struct intel_nic *intel ); -extern void intel_empty_rx ( struct intel_nic *intel ); -extern int intel_transmit ( struct net_device *netdev, - struct io_buffer *iobuf ); -extern void intel_poll_tx ( struct net_device *netdev ); -extern void intel_poll_rx ( struct net_device *netdev ); - -#endif /* _INTEL_H */ |