| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds (pre-git) | 2401 | 96.81% | 4 | 30.77% |
| Jes Sorensen | 57 | 2.30% | 1 | 7.69% |
| Arnd Bergmann | 6 | 0.24% | 1 | 7.69% |
| Linus Torvalds | 5 | 0.20% | 1 | 7.69% |
| Andrew Morton | 4 | 0.16% | 1 | 7.69% |
| Al Viro | 4 | 0.16% | 2 | 15.38% |
| Stephen Hemminger | 1 | 0.04% | 1 | 7.69% |
| Jeff Garzik | 1 | 0.04% | 1 | 7.69% |
| Greg Kroah-Hartman | 1 | 0.04% | 1 | 7.69% |
| Total | 2480 | 13 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RRUNNER_H_ #define _RRUNNER_H_ #include <linux/interrupt.h> #if ((BITS_PER_LONG != 32) && (BITS_PER_LONG != 64)) #error "BITS_PER_LONG not defined or not valid" #endif struct rr_regs { u32 pad0[16]; u32 HostCtrl; u32 LocalCtrl; u32 Pc; u32 BrkPt; /* Timer increments every 0.97 micro-seconds (unsigned int) */ u32 Timer_Hi; u32 Timer; u32 TimerRef; u32 PciState; u32 Event; u32 MbEvent; u32 WinBase; u32 WinData; u32 RX_state; u32 TX_state; u32 Overhead; u32 ExtIo; u32 DmaWriteHostHi; u32 DmaWriteHostLo; u32 pad1[2]; u32 DmaReadHostHi; u32 DmaReadHostLo; u32 pad2; u32 DmaReadLen; u32 DmaWriteState; u32 DmaWriteLcl; u32 DmaWriteIPchecksum; u32 DmaWriteLen; u32 DmaReadState; u32 DmaReadLcl; u32 DmaReadIPchecksum; u32 pad3; u32 RxBase; u32 RxPrd; u32 RxCon; u32 pad4; u32 TxBase; u32 TxPrd; u32 TxCon; u32 pad5; u32 RxIndPro; u32 RxIndCon; u32 RxIndRef; u32 pad6; u32 TxIndPro; u32 TxIndCon; u32 TxIndRef; u32 pad7[17]; u32 DrCmndPro; u32 DrCmndCon; u32 DrCmndRef; u32 pad8; u32 DwCmndPro; u32 DwCmndCon; u32 DwCmndRef; u32 AssistState; u32 DrDataPro; u32 DrDataCon; u32 DrDataRef; u32 pad9; u32 DwDataPro; u32 DwDataCon; u32 DwDataRef; u32 pad10[33]; u32 EvtCon; u32 pad11[5]; u32 TxPi; u32 IpRxPi; u32 pad11a[8]; u32 CmdRing[16]; /* The ULA is in two registers the high order two bytes of the first * word contain the RunCode features. * ula0 res res byte0 byte1 * ula1 byte2 byte3 byte4 byte5 */ u32 Ula0; u32 Ula1; u32 RxRingHi; u32 RxRingLo; u32 InfoPtrHi; u32 InfoPtrLo; u32 Mode; u32 ConRetry; u32 ConRetryTmr; u32 ConTmout; u32 CtatTmr; u32 MaxRxRng; u32 IntrTmr; u32 TxDataMvTimeout; u32 RxDataMvTimeout; u32 EvtPrd; u32 TraceIdx; u32 Fail1; u32 Fail2; u32 DrvPrm; u32 FilterLA; u32 FwRev; u32 FwRes1; u32 FwRes2; u32 FwRes3; u32 WriteDmaThresh; u32 ReadDmaThresh; u32 pad12[325]; u32 Window[512]; }; /* * Host control register bits. */ #define RR_INT 0x01 #define RR_CLEAR_INT 0x02 #define NO_SWAP 0x04000004 #define NO_SWAP1 0x00000004 #define PCI_RESET_NIC 0x08 #define HALT_NIC 0x10 #define SSTEP_NIC 0x20 #define MEM_READ_MULTI 0x40 #define NIC_HALTED 0x100 #define HALT_INST 0x200 #define PARITY_ERR 0x400 #define INVALID_INST_B 0x800 #define RR_REV_2 0x20000000 #define RR_REV_MASK 0xf0000000 /* * Local control register bits. */ #define INTA_STATE 0x01 #define CLEAR_INTA 0x02 #define FAST_EEPROM_ACCESS 0x08 #define ENABLE_EXTRA_SRAM 0x100 #define ENABLE_EXTRA_DESC 0x200 #define ENABLE_PARITY 0x400 #define FORCE_DMA_PARITY_ERROR 0x800 #define ENABLE_EEPROM_WRITE 0x1000 #define ENABLE_DATA_CACHE 0x2000 #define SRAM_LO_PARITY_ERR 0x4000 #define SRAM_HI_PARITY_ERR 0x8000 /* * PCI state bits. */ #define FORCE_PCI_RESET 0x01 #define PROVIDE_LENGTH 0x02 #define MASK_DMA_READ_MAX 0x1C #define RBURST_DISABLE 0x00 #define RBURST_4 0x04 #define RBURST_16 0x08 #define RBURST_32 0x0C #define RBURST_64 0x10 #define RBURST_128 0x14 #define RBURST_256 0x18 #define RBURST_1024 0x1C #define MASK_DMA_WRITE_MAX 0xE0 #define WBURST_DISABLE 0x00 #define WBURST_4 0x20 #define WBURST_16 0x40 #define WBURST_32 0x60 #define WBURST_64 0x80 #define WBURST_128 0xa0 #define WBURST_256 0xc0 #define WBURST_1024 0xe0 #define MASK_MIN_DMA 0xFF00 #define FIFO_RETRY_ENABLE 0x10000 /* * Event register */ #define DMA_WRITE_DONE 0x10000 #define DMA_READ_DONE 0x20000 #define DMA_WRITE_ERR 0x40000 #define DMA_READ_ERR 0x80000 /* * Receive state * * RoadRunner HIPPI Receive State Register controls and monitors the * HIPPI receive interface in the NIC. Look at err bits when a HIPPI * receive Error Event occurs. */ #define ENABLE_NEW_CON 0x01 #define RESET_RECV 0x02 #define RECV_ALL 0x00 #define RECV_1K 0x20 #define RECV_2K 0x40 #define RECV_4K 0x60 #define RECV_8K 0x80 #define RECV_16K 0xa0 #define RECV_32K 0xc0 #define RECV_64K 0xe0 /* * Transmit status. */ #define ENA_XMIT 0x01 #define PERM_CON 0x02 /* * DMA write state */ #define RESET_DMA 0x01 #define NO_SWAP_DMA 0x02 #define DMA_ACTIVE 0x04 #define THRESH_MASK 0x1F #define DMA_ERROR_MASK 0xff000000 /* * Gooddies stored in the ULA registers. */ #define TRACE_ON_WHAT_BIT 0x00020000 /* Traces on */ #define ONEM_BUF_WHAT_BIT 0x00040000 /* 1Meg vs 256K */ #define CHAR_API_WHAT_BIT 0x00080000 /* Char API vs network only */ #define CMD_EVT_WHAT_BIT 0x00200000 /* Command event */ #define LONG_TX_WHAT_BIT 0x00400000 #define LONG_RX_WHAT_BIT 0x00800000 #define WHAT_BIT_MASK 0xFFFD0000 /* Feature bit mask */ /* * Mode status */ #define EVENT_OVFL 0x80000000 #define FATAL_ERR 0x40000000 #define LOOP_BACK 0x01 #define MODE_PH 0x02 #define MODE_FP 0x00 #define PTR64BIT 0x04 #define PTR32BIT 0x00 #define PTR_WD_SWAP 0x08 #define PTR_WD_NOSWAP 0x00 #define POST_WARN_EVENT 0x10 #define ERR_TERM 0x20 #define DIRECT_CONN 0x40 #define NO_NIC_WATCHDOG 0x80 #define SWAP_DATA 0x100 #define SWAP_CONTROL 0x200 #define NIC_HALT_ON_ERR 0x400 #define NIC_NO_RESTART 0x800 #define HALF_DUP_TX 0x1000 #define HALF_DUP_RX 0x2000 /* * Error codes */ /* Host Error Codes - values of fail1 */ #define ERR_UNKNOWN_MBOX 0x1001 #define ERR_UNKNOWN_CMD 0x1002 #define ERR_MAX_RING 0x1003 #define ERR_RING_CLOSED 0x1004 #define ERR_RING_OPEN 0x1005 /* Firmware internal errors */ #define ERR_EVENT_RING_FULL 0x01 #define ERR_DW_PEND_CMND_FULL 0x02 #define ERR_DR_PEND_CMND_FULL 0x03 #define ERR_DW_PEND_DATA_FULL 0x04 #define ERR_DR_PEND_DATA_FULL 0x05 #define ERR_ILLEGAL_JUMP 0x06 #define ERR_UNIMPLEMENTED 0x07 #define ERR_TX_INFO_FULL 0x08 #define ERR_RX_INFO_FULL 0x09 #define ERR_ILLEGAL_MODE 0x0A #define ERR_MAIN_TIMEOUT 0x0B #define ERR_EVENT_BITS 0x0C #define ERR_UNPEND_FULL 0x0D #define ERR_TIMER_QUEUE_FULL 0x0E #define ERR_TIMER_QUEUE_EMPTY 0x0F #define ERR_TIMER_NO_FREE 0x10 #define ERR_INTR_START 0x11 #define ERR_BAD_STARTUP 0x12 #define ERR_NO_PKT_END 0x13 #define ERR_HALTED_ON_ERR 0x14 /* Hardware NIC Errors */ #define ERR_WRITE_DMA 0x0101 #define ERR_READ_DMA 0x0102 #define ERR_EXT_SERIAL 0x0103 #define ERR_TX_INT_PARITY 0x0104 /* * Event definitions */ #define EVT_RING_ENTRIES 64 #define EVT_RING_SIZE (EVT_RING_ENTRIES * sizeof(struct event)) struct event { #ifdef __LITTLE_ENDIAN u16 index; u8 ring; u8 code; #else u8 code; u8 ring; u16 index; #endif u32 timestamp; }; /* * General Events */ #define E_NIC_UP 0x01 #define E_WATCHDOG 0x02 #define E_STAT_UPD 0x04 #define E_INVAL_CMD 0x05 #define E_SET_CMD_CONS 0x06 #define E_LINK_ON 0x07 #define E_LINK_OFF 0x08 #define E_INTERN_ERR 0x09 #define E_HOST_ERR 0x0A #define E_STATS_UPDATE 0x0B #define E_REJECTING 0x0C /* * Send Events */ #define E_CON_REJ 0x13 #define E_CON_TMOUT 0x14 #define E_CON_NC_TMOUT 0x15 /* I , Connection No Campon Timeout */ #define E_DISC_ERR 0x16 #define E_INT_PRTY 0x17 #define E_TX_IDLE 0x18 #define E_TX_LINK_DROP 0x19 #define E_TX_INV_RNG 0x1A #define E_TX_INV_BUF 0x1B #define E_TX_INV_DSC 0x1C /* * Destination Events */ /* * General Receive events */ #define E_VAL_RNG 0x20 #define E_RX_RNG_ENER 0x21 #define E_INV_RNG 0x22 #define E_RX_RNG_SPC 0x23 #define E_RX_RNG_OUT 0x24 #define E_PKT_DISCARD 0x25 #define E_INFO_EVT 0x27 /* * Data corrupted events */ #define E_RX_PAR_ERR 0x2B #define E_RX_LLRC_ERR 0x2C #define E_IP_CKSM_ERR 0x2D #define E_DTA_CKSM_ERR 0x2E #define E_SHT_BST 0x2F /* * Data lost events */ #define E_LST_LNK_ERR 0x30 #define E_FLG_SYN_ERR 0x31 #define E_FRM_ERR 0x32 #define E_RX_IDLE 0x33 #define E_PKT_LN_ERR 0x34 #define E_STATE_ERR 0x35 #define E_UNEXP_DATA 0x3C /* * Fatal events */ #define E_RX_INV_BUF 0x36 #define E_RX_INV_DSC 0x37 #define E_RNG_BLK 0x38 /* * Warning events */ #define E_RX_TO 0x39 #define E_BFR_SPC 0x3A #define E_INV_ULP 0x3B #define E_NOT_IMPLEMENTED 0x40 /* * Commands */ #define CMD_RING_ENTRIES 16 struct cmd { #ifdef __LITTLE_ENDIAN u16 index; u8 ring; u8 code; #else u8 code; u8 ring; u16 index; #endif }; #define C_START_FW 0x01 #define C_UPD_STAT 0x02 #define C_WATCHDOG 0x05 #define C_DEL_RNG 0x09 #define C_NEW_RNG 0x0A #define C_CONN 0x0D /* * Mode bits */ #define PACKET_BAD 0x01 /* Packet had link-layer error */ #define INTERRUPT 0x02 #define TX_IP_CKSUM 0x04 #define PACKET_END 0x08 #define PACKET_START 0x10 #define SAME_IFIELD 0x80 typedef struct { #if (BITS_PER_LONG == 64) u64 addrlo; #else u32 addrhi; u32 addrlo; #endif } rraddr; static inline void set_rraddr(rraddr *ra, dma_addr_t addr) { unsigned long baddr = addr; #if (BITS_PER_LONG == 64) ra->addrlo = baddr; #else /* Don't bother setting zero every time */ ra->addrlo = baddr; #endif mb(); } static inline void set_rxaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr) { unsigned long baddr = addr; #if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN) writel(baddr & 0xffffffff, ®s->RxRingHi); writel(baddr >> 32, ®s->RxRingLo); #elif (BITS_PER_LONG == 64) writel(baddr >> 32, ®s->RxRingHi); writel(baddr & 0xffffffff, ®s->RxRingLo); #else writel(0, ®s->RxRingHi); writel(baddr, ®s->RxRingLo); #endif mb(); } static inline void set_infoaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr) { unsigned long baddr = addr; #if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN) writel(baddr & 0xffffffff, ®s->InfoPtrHi); writel(baddr >> 32, ®s->InfoPtrLo); #elif (BITS_PER_LONG == 64) writel(baddr >> 32, ®s->InfoPtrHi); writel(baddr & 0xffffffff, ®s->InfoPtrLo); #else writel(0, ®s->InfoPtrHi); writel(baddr, ®s->InfoPtrLo); #endif mb(); } /* * TX ring */ #ifdef CONFIG_ROADRUNNER_LARGE_RINGS #define TX_RING_ENTRIES 32 #else #define TX_RING_ENTRIES 16 #endif #define TX_TOTAL_SIZE (TX_RING_ENTRIES * sizeof(struct tx_desc)) struct tx_desc{ rraddr addr; u32 res; #ifdef __LITTLE_ENDIAN u16 size; u8 pad; u8 mode; #else u8 mode; u8 pad; u16 size; #endif }; #ifdef CONFIG_ROADRUNNER_LARGE_RINGS #define RX_RING_ENTRIES 32 #else #define RX_RING_ENTRIES 16 #endif #define RX_TOTAL_SIZE (RX_RING_ENTRIES * sizeof(struct rx_desc)) struct rx_desc{ rraddr addr; u32 res; #ifdef __LITTLE_ENDIAN u16 size; u8 pad; u8 mode; #else u8 mode; u8 pad; u16 size; #endif }; /* * ioctl's */ #define SIOCRRPFW SIOCDEVPRIVATE /* put firmware */ #define SIOCRRGFW SIOCDEVPRIVATE+1 /* get firmware */ #define SIOCRRID SIOCDEVPRIVATE+2 /* identify */ struct seg_hdr { u32 seg_start; u32 seg_len; u32 seg_eestart; }; #define EEPROM_BASE 0x80000000 #define EEPROM_WORDS 8192 #define EEPROM_BYTES (EEPROM_WORDS * sizeof(u32)) struct eeprom_boot { u32 key1; u32 key2; u32 sram_size; struct seg_hdr loader; u32 init_chksum; u32 reserved1; }; struct eeprom_manf { u32 HeaderFmt; u32 Firmware; u32 BoardRevision; u32 RoadrunnerRev; char OpticsPart[8]; u32 OpticsRev; u32 pad1; char SramPart[8]; u32 SramRev; u32 pad2; char EepromPart[8]; u32 EepromRev; u32 EepromSize; char PalPart[8]; u32 PalRev; u32 pad3; char PalCodeFile[12]; u32 PalCodeRev; char BoardULA[8]; char SerialNo[8]; char MfgDate[8]; char MfgTime[8]; char ModifyDate[8]; u32 ModCount; u32 pad4[13]; }; struct eeprom_phase_info { char phase1File[12]; u32 phase1Rev; char phase1Date[8]; char phase2File[12]; u32 phase2Rev; char phase2Date[8]; u32 reserved7[4]; }; struct eeprom_rncd_info { u32 FwStart; u32 FwRev; char FwDate[8]; u32 AddrRunCodeSegs; u32 FileNames; char File[13][8]; }; /* Phase 1 region (starts are word offset 0x80) */ struct phase1_hdr{ u32 jump; u32 noop; struct seg_hdr phase2Seg; }; struct eeprom { struct eeprom_boot boot; u32 pad1[8]; struct eeprom_manf manf; struct eeprom_phase_info phase_info; struct eeprom_rncd_info rncd_info; u32 pad2[15]; u32 hdr_checksum; struct phase1_hdr phase1; }; struct rr_stats { u32 NicTimeStamp; u32 RngCreated; u32 RngDeleted; u32 IntrGen; u32 NEvtOvfl; u32 InvCmd; u32 DmaReadErrs; u32 DmaWriteErrs; u32 StatUpdtT; u32 StatUpdtC; u32 WatchDog; u32 Trace; /* Serial HIPPI */ u32 LnkRdyEst; u32 GLinkErr; u32 AltFlgErr; u32 OvhdBit8Sync; u32 RmtSerPrtyErr; u32 RmtParPrtyErr; u32 RmtLoopBk; u32 pad1; /* HIPPI tx */ u32 ConEst; u32 ConRejS; u32 ConRetry; u32 ConTmOut; u32 SndConDiscon; u32 SndParErr; u32 PktSnt; u32 pad2[2]; u32 ShFBstSnt; u64 BytSent; u32 TxTimeout; u32 pad3[3]; /* HIPPI rx */ u32 ConAcc; u32 ConRejdiPrty; u32 ConRejd64b; u32 ConRejdBuf; u32 RxConDiscon; u32 RxConNoData; u32 PktRx; u32 pad4[2]; u32 ShFBstRx; u64 BytRx; u32 RxParErr; u32 RxLLRCerr; u32 RxBstSZerr; u32 RxStateErr; u32 RxRdyErr; u32 RxInvULP; u32 RxSpcBuf; u32 RxSpcDesc; u32 RxRngSpc; u32 RxRngFull; u32 RxPktLenErr; u32 RxCksmErr; u32 RxPktDrp; u32 RngLowSpc; u32 RngDataClose; u32 RxTimeout; u32 RxIdle; }; /* * This struct is shared with the NIC firmware. */ struct ring_ctrl { rraddr rngptr; #ifdef __LITTLE_ENDIAN u16 entries; u8 pad; u8 entry_size; u16 pi; u16 mode; #else u8 entry_size; u8 pad; u16 entries; u16 mode; u16 pi; #endif }; struct rr_info { union { struct rr_stats stats; u32 stati[128]; } s; struct ring_ctrl evt_ctrl; struct ring_ctrl cmd_ctrl; struct ring_ctrl tx_ctrl; u8 pad[464]; u8 trace[3072]; }; /* * The linux structure for the RoadRunner. * * RX/TX descriptors are put first to make sure they are properly * aligned and do not cross cache-line boundaries. */ struct rr_private { struct rx_desc *rx_ring; struct tx_desc *tx_ring; struct event *evt_ring; dma_addr_t tx_ring_dma; dma_addr_t rx_ring_dma; dma_addr_t evt_ring_dma; /* Alignment ok ? */ struct sk_buff *rx_skbuff[RX_RING_ENTRIES]; struct sk_buff *tx_skbuff[TX_RING_ENTRIES]; struct rr_regs __iomem *regs; /* Register base */ struct ring_ctrl *rx_ctrl; /* Receive ring control */ struct rr_info *info; /* Shared info page */ dma_addr_t rx_ctrl_dma; dma_addr_t info_dma; spinlock_t lock; struct timer_list timer; u32 cur_rx, cur_cmd, cur_evt; u32 dirty_rx, dirty_tx; u32 tx_full; u32 fw_rev; volatile short fw_running; struct pci_dev *pci_dev; }; /* * Prototypes */ static int rr_init(struct net_device *dev); static int rr_init1(struct net_device *dev); static irqreturn_t rr_interrupt(int irq, void *dev_id); static int rr_open(struct net_device *dev); static netdev_tx_t rr_start_xmit(struct sk_buff *skb, struct net_device *dev); static int rr_close(struct net_device *dev); static int rr_siocdevprivate(struct net_device *dev, struct ifreq *rq, void __user *data, int cmd); static unsigned int rr_read_eeprom(struct rr_private *rrpriv, unsigned long offset, unsigned char *buf, unsigned long length); static u32 rr_read_eeprom_word(struct rr_private *rrpriv, size_t offset); static int rr_load_firmware(struct net_device *dev); static inline void rr_raz_tx(struct rr_private *, struct net_device *); static inline void rr_raz_rx(struct rr_private *, struct net_device *); #endif /* _RRUNNER_H_ */
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