diff options
Diffstat (limited to 'sys/dev/pci/if_vicreg.h')
| -rw-r--r-- | sys/dev/pci/if_vicreg.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/sys/dev/pci/if_vicreg.h b/sys/dev/pci/if_vicreg.h new file mode 100644 index 00000000000..809aea43ac1 --- /dev/null +++ b/sys/dev/pci/if_vicreg.h @@ -0,0 +1,195 @@ +/* $OpenBSD: if_vicreg.h,v 1.1 2006/02/25 23:49:04 reyk Exp $ */ + +/* + * Copyright (c) 2006 Reyk Floeter <reyk@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _DEV_IC_VICREG_H +#define _DEV_IC_VICREG_H + +#define VIC_MAGIC 0xbabe864f + +/* + * Register address offsets + */ + +#define VIC_DATA_ADDR 0x0000 /* Shared data address */ +#define VIC_DATA_LENGTH 0x0004 /* Shared data length */ +#define VIC_Tx_ADDR 0x0008 /* Tx pointer address */ + +/* Command register */ +#define VIC_CMD 0x000c /* Command register */ +#define VIC_CMD_INTR_ACK 0x00000001 /* Acknowledge interrupt */ +#define VIC_CMD_MCASTFIL 0x00000002 /* Multicast address filter */ +#define VIC_CMD_MCASTFIL_LENGTH 2 +#define VIC_CMD_IFF 0x00000004 /* Interface flags */ +#define VIC_CMD_IFF_PROMISC 0x0001 /* Promiscous enabled */ +#define VIC_CMD_IFF_BROADCAST 0x0002 /* Broadcast enabled */ +#define VIC_CMD_IFF_MULTICAST 0x0004 /* Multicast enabled */ +#define VIC_CMD_RESERVED_8 0x00000008 +#define VIC_CMD_RESERVED_10 0x00000010 +#define VIC_CMD_INTR_DISABLE 0x00000020 /* Enable interrupts */ +#define VIC_CMD_INTR_ENABLE 0x00000040 /* Disable interrupts */ +#define VIC_CMD_RESERVED_80 0x00000080 +#define VIC_CMD_Tx_DONE 0x00000100 /* Tx done register */ +#define VIC_CMD_NUM_Rx_BUF 0x00000200 /* Number of Rx buffers */ +#define VIC_CMD_NUM_Tx_BUF 0x00000400 /* Number of Tx buffers */ +#define VIC_CMD_NUM_PINNED_BUF 0x00000800 /* Number of pinned buffers */ +#define VIC_CMD_HWCAP 0x00001000 /* Capability register */ +#define VIC_CMD_HWCAP_SG 0x0001 /* Scatter-gather transmits */ +#define VIC_CMD_HWCAP_CSUM_IPv4 0x0002 /* Hardware checksum of TCP/UDP */ +#define VIC_CMD_HWCAP_CSUM_ALL 0x0004 /* Hardware checksum support */ +#define VIC_CMD_HWCAP_CSUM \ + (VIC_CMD_HWCAP_CSUM_IPv4 | VIC_CMD_HWCAP_CSUM_ALL) +#define VIC_CMD_HWCAP_DMA_HIGH 0x0008 /* High DMA mapping possible */ +#define VIC_CMD_HWCAP_TOE 0x0010 /* TCP offload engine available */ +#define VIC_CMD_HWCAP_TSO 0x0020 /* TCP segmentation offload */ +#define VIC_CMD_HWCAP_TSO_SW 0x0040 /* Software TCP segmentation */ +#define VIC_CMD_HWCAP_VPROM 0x0080 /* Virtual PROM available */ +#define VIC_CMD_HWCAP_VLAN_Tx 0x0100 /* Hardware VLAN MTU Rx */ +#define VIC_CMD_HWCAP_VLAN_Rx 0x0200 /* Hardware VLAN MTU Tx */ +#define VIC_CMD_HWCAP_VLAN_SW 0x0400 /* Software VLAN MTU */ +#define VIC_CMD_HWCAP_VLAN \ + (VIC_CMD_HWCAP_VLAN_Tx | VIC_CMD_HWCAP_VLAN_Rx | VIC_CMD_HWCAP_VLAN_SW) +#define VIC_CMD_HWCAP_BITS \ + "\20\01SG\02CSUM4\03CSUM\04HDMA\05TOE" \ + "\06TSO\07TSOSW\10VPROM\13VLANTx\14VLANRx\15VLANSW" +#define VIC_CMD_FEATURE 0x00002000 /* Additional feature register */ +#define VIC_CMD_FEATURE_0_Tx 0x0001 +#define VIC_CMD_FEATURE_TSO 0x0002 + +#define VIC_LLADDR 0x0010 /* MAC address register */ +#define VIC_VERSION_MINOR 0x0018 /* Minor version register */ +#define VIC_VERSION_MAJOR 0x001c /* Major version register */ +#define VIC_VERSION_MAJOR_M 0xffff0000 + +/* Status register */ +#define VIC_STATUS 0x0020 +#define VIC_STATUS_CONNECTED 0x00000001 +#define VIC_STATUS_ENABLED 0x00000002 + +#define VIC_TOE_ADDR 0x0024 /* TCP offload address */ + +/* Virtual PROM address */ +#define VIC_VPROM 0x0028 +#define VIC_VPROM_LENGTH 6 + +/* + * Shared DMA data structures + */ + +struct vic_sg { + u_int32_t sg_addr_low; + u_int16_t sg_addr_high; + u_int16_t sg_length; +} __packed; + +#define VIC_SG_MAX 6 +#define VIC_SG_ADDR_MACH 0 +#define VIC_SG_ADDR_PHYS 1 +#define VIC_SG_ADDR_VIRT 3 + +struct vic_sgarray { + u_int16_t sa_addr_type; + u_int16_t sa_length; + struct vic_sg sa_sg[VIC_SG_MAX]; +}; + +struct vic_rxdesc { + u_int64_t rx_physaddr; + u_int32_t rx_buflength; + u_int32_t rx_length; + u_int16_t rx_owner; + u_int16_t rx_flags; + void *rx_priv; +} __packed; + +#define VIC_RX_FLAGS_CSUMHW_OK 0x0001 + +struct vic_txdesc { + u_int16_t tx_flags; + u_int16_t tx_owner; + void *tx_priv; + u_int32_t tx_tsomss; + struct vic_sgarray tx_sa; +} __packed; + +#define VIC_TX_FLAGS_KEEP 0x0001 +#define VIC_TX_FLAGS_TXURN 0x0002 +#define VIC_TX_FLAGS_CSUMHW 0x0004 +#define VIC_TX_FLAGS_TSO 0x0008 +#define VIC_TX_FLAGS_PINNED 0x0010 +#define VIC_TX_FLAGS_QRETRY 0x1000 + +struct vic_stats { + u_int32_t vs_tx_count; + u_int32_t vs_tx_packets; + u_int32_t vs_tx_0copy; + u_int32_t vs_tx_copy; + u_int32_t vs_tx_maxpending; + u_int32_t vs_tx_stopped; + u_int32_t vs_tx_overrun; + u_int32_t vs_intr; + u_int32_t vs_rx_packets; + u_int32_t vs_rx_underrun; +} __packed; + +struct vic_data { + u_int32_t vd_magic; + + u_int32_t vd_rx_length; + u_int32_t vd_rx_nextidx; + u_int32_t vd_rx_length2; + u_int32_t vd_rx_nextidx2; + + u_int32_t vd_irq; + u_int32_t vd_iff; + + u_int32_t vd_mcastfil[VIC_CMD_MCASTFIL_LENGTH]; + + u_int32_t vd_reserved1[1]; + + u_int32_t vd_tx_length; + u_int32_t vd_tx_curidx; + u_int32_t vd_tx_nextidx; + u_int32_t vd_tx_stopped; + u_int32_t vd_tx_triggerlvl; + u_int32_t vd_tx_queued; + u_int32_t vd_tx_minlength; + + u_int32_t vd_reserved2[6]; + + u_int32_t vd_rx_saved_nextidx; + u_int32_t vd_rx_saved_nextidx2; + u_int32_t vd_tx_saved_nextidx; + + u_int32_t vd_length; + u_int32_t vd_rx_offset; + u_int32_t vd_rx_offset2; + u_int32_t vd_tx_offset; + u_int32_t vd_debug; + u_int32_t vd_tx_physaddr; + u_int32_t vd_tx_physaddr_length; + u_int32_t vd_tx_maxlength; + + struct vic_stats vd_stats; +} __packed; + +#define VIC_OWNER_DRIVER 0 +#define VIC_OWNER_DRIVER_PEND 1 +#define VIC_OWNER_NIC 2 +#define VIC_OWNER_NIC_PEND 3 + +#endif /* _DEV_IC_VICREG_H */ |