diff options
author | Martin Habets | 2017-04-07 11:46:15 +0200 |
---|---|---|
committer | Michael Brown | 2017-04-10 17:17:08 +0200 |
commit | f3788fa8376b449965c464ee0200f13e68045035 (patch) | |
tree | 857beff224b0f5ca1be762ca3b1ae6732be09c33 /src | |
parent | [libc] Add stdbool.h standard header (diff) | |
download | ipxe-f3788fa8376b449965c464ee0200f13e68045035.tar.gz ipxe-f3788fa8376b449965c464ee0200f13e68045035.tar.xz ipxe-f3788fa8376b449965c464ee0200f13e68045035.zip |
[sfc] Add driver for Solarflare SFC8XXX adapters
Signed-off-by: Martin Habets <mhabets@solarflare.com>
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src')
-rw-r--r-- | src/Makefile | 1 | ||||
-rw-r--r-- | src/drivers/net/sfc/ef10_regs.h | 364 | ||||
-rw-r--r-- | src/drivers/net/sfc/efx_bitfield.h | 555 | ||||
-rw-r--r-- | src/drivers/net/sfc/efx_common.c | 97 | ||||
-rw-r--r-- | src/drivers/net/sfc/efx_common.h | 232 | ||||
-rw-r--r-- | src/drivers/net/sfc/efx_hunt.c | 510 | ||||
-rw-r--r-- | src/drivers/net/sfc/efx_hunt.h | 75 | ||||
-rw-r--r-- | src/drivers/net/sfc/mc_driver_pcol.h | 2281 | ||||
-rw-r--r-- | src/drivers/net/sfc/mcdi.h | 164 | ||||
-rw-r--r-- | src/drivers/net/sfc/sfc_hunt.c | 1324 | ||||
-rw-r--r-- | src/include/ipxe/errfile.h | 2 |
11 files changed, 5605 insertions, 0 deletions
diff --git a/src/Makefile b/src/Makefile index e6900d4b..911d27ab 100644 --- a/src/Makefile +++ b/src/Makefile @@ -78,6 +78,7 @@ SRCDIRS += drivers/net/ath/ath9k SRCDIRS += drivers/net/vxge SRCDIRS += drivers/net/efi SRCDIRS += drivers/net/tg3 +SRCDIRS += drivers/net/sfc SRCDIRS += drivers/block SRCDIRS += drivers/nvs SRCDIRS += drivers/bitbash diff --git a/src/drivers/net/sfc/ef10_regs.h b/src/drivers/net/sfc/ef10_regs.h new file mode 100644 index 00000000..0510e8ff --- /dev/null +++ b/src/drivers/net/sfc/ef10_regs.h @@ -0,0 +1,364 @@ +/**************************************************************************** + * + * Driver for Solarflare network controllers and boards + * Copyright 2012-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + */ + +#ifndef EFX_EF10_REGS_H +#define EFX_EF10_REGS_H + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +/** \file ef10_regs.h + * EF10 hardware architecture definitions + * + * EF10 hardware architecture definitions have a name prefix following + * the format: + * + * E<type>_<min-rev><max-rev>_ + * + * The following <type> strings are used: + * + * MMIO register Host memory structure + * Address R + * Bitfield RF SF + * Enumerator FE SE + * + * <min-rev> is the first revision to which the definition applies: + * + * D: Huntington A0 + * + * If the definition has been changed or removed in later revisions + * then <max-rev> is the last revision to which the definition applies; + * otherwise it is "Z". + */ + +/************************************************************************** + * + * EF10 registers and descriptors + * + ************************************************************************** + */ + +/* BIU_HW_REV_ID_REG: */ +#define ER_DZ_BIU_HW_REV_ID 0x00000000 +#define ERF_DZ_HW_REV_ID_LBN 0 +#define ERF_DZ_HW_REV_ID_WIDTH 32 + +/* BIU_MC_SFT_STATUS_REG: */ +#define ER_DZ_BIU_MC_SFT_STATUS 0x00000010 +#define ER_DZ_BIU_MC_SFT_STATUS_STEP 4 +#define ER_DZ_BIU_MC_SFT_STATUS_ROWS 8 +#define ERF_DZ_MC_SFT_STATUS_LBN 0 +#define ERF_DZ_MC_SFT_STATUS_WIDTH 32 + +/* BIU_INT_ISR_REG: */ +#define ER_DZ_BIU_INT_ISR 0x00000090 +#define ERF_DZ_ISR_REG_LBN 0 +#define ERF_DZ_ISR_REG_WIDTH 32 + +/* MC_DB_LWRD_REG: */ +#define ER_DZ_MC_DB_LWRD 0x00000200 +#define ERF_DZ_MC_DOORBELL_L_LBN 0 +#define ERF_DZ_MC_DOORBELL_L_WIDTH 32 + +/* MC_DB_HWRD_REG: */ +#define ER_DZ_MC_DB_HWRD 0x00000204 +#define ERF_DZ_MC_DOORBELL_H_LBN 0 +#define ERF_DZ_MC_DOORBELL_H_WIDTH 32 + +/* EVQ_RPTR_REG: */ +#define ER_DZ_EVQ_RPTR 0x00000400 +#define ER_DZ_EVQ_RPTR_STEP 8192 +#define ER_DZ_EVQ_RPTR_ROWS 2048 +#define ERF_DZ_EVQ_RPTR_VLD_LBN 15 +#define ERF_DZ_EVQ_RPTR_VLD_WIDTH 1 +#define ERF_DZ_EVQ_RPTR_LBN 0 +#define ERF_DZ_EVQ_RPTR_WIDTH 15 + +/* EVQ_TMR_REG: */ +#define ER_DZ_EVQ_TMR 0x00000420 +#define ER_DZ_EVQ_TMR_STEP 8192 +#define ER_DZ_EVQ_TMR_ROWS 2048 +#define ERF_DZ_TC_TIMER_MODE_LBN 14 +#define ERF_DZ_TC_TIMER_MODE_WIDTH 2 +#define ERF_DZ_TC_TIMER_VAL_LBN 0 +#define ERF_DZ_TC_TIMER_VAL_WIDTH 14 + +/* RX_DESC_UPD_REG: */ +#define ER_DZ_RX_DESC_UPD 0x00000830 +#define ER_DZ_RX_DESC_UPD_STEP 8192 +#define ER_DZ_RX_DESC_UPD_ROWS 2048 +#define ERF_DZ_RX_DESC_WPTR_LBN 0 +#define ERF_DZ_RX_DESC_WPTR_WIDTH 12 + +/* TX_DESC_UPD_REG: */ +#define ER_DZ_TX_DESC_UPD 0x00000a10 +#define ER_DZ_TX_DESC_UPD_STEP 8192 +#define ER_DZ_TX_DESC_UPD_ROWS 2048 +#define ERF_DZ_RSVD_LBN 76 +#define ERF_DZ_RSVD_WIDTH 20 +#define ERF_DZ_TX_DESC_WPTR_LBN 64 +#define ERF_DZ_TX_DESC_WPTR_WIDTH 12 +#define ERF_DZ_TX_DESC_HWORD_LBN 32 +#define ERF_DZ_TX_DESC_HWORD_WIDTH 32 +#define ERF_DZ_TX_DESC_LWORD_LBN 0 +#define ERF_DZ_TX_DESC_LWORD_WIDTH 32 + +/* DRIVER_EV */ +#define ESF_DZ_DRV_CODE_LBN 60 +#define ESF_DZ_DRV_CODE_WIDTH 4 +#define ESF_DZ_DRV_SUB_CODE_LBN 56 +#define ESF_DZ_DRV_SUB_CODE_WIDTH 4 +#define ESE_DZ_DRV_TIMER_EV 3 +#define ESE_DZ_DRV_START_UP_EV 2 +#define ESE_DZ_DRV_WAKE_UP_EV 1 +#define ESF_DZ_DRV_SUB_DATA_LBN 0 +#define ESF_DZ_DRV_SUB_DATA_WIDTH 56 +#define ESF_DZ_DRV_EVQ_ID_LBN 0 +#define ESF_DZ_DRV_EVQ_ID_WIDTH 14 +#define ESF_DZ_DRV_TMR_ID_LBN 0 +#define ESF_DZ_DRV_TMR_ID_WIDTH 14 + +/* EVENT_ENTRY */ +#define ESF_DZ_EV_CODE_LBN 60 +#define ESF_DZ_EV_CODE_WIDTH 4 +#define ESE_DZ_EV_CODE_MCDI_EV 12 +#define ESE_DZ_EV_CODE_DRIVER_EV 5 +#define ESE_DZ_EV_CODE_TX_EV 2 +#define ESE_DZ_EV_CODE_RX_EV 0 +#define ESE_DZ_OTHER other +#define ESF_DZ_EV_DATA_LBN 0 +#define ESF_DZ_EV_DATA_WIDTH 60 + +/* MC_EVENT */ +#define ESF_DZ_MC_CODE_LBN 60 +#define ESF_DZ_MC_CODE_WIDTH 4 +#define ESF_DZ_MC_OVERRIDE_HOLDOFF_LBN 59 +#define ESF_DZ_MC_OVERRIDE_HOLDOFF_WIDTH 1 +#define ESF_DZ_MC_DROP_EVENT_LBN 58 +#define ESF_DZ_MC_DROP_EVENT_WIDTH 1 +#define ESF_DZ_MC_SOFT_LBN 0 +#define ESF_DZ_MC_SOFT_WIDTH 58 + +/* RX_EVENT */ +#define ESF_DZ_RX_CODE_LBN 60 +#define ESF_DZ_RX_CODE_WIDTH 4 +#define ESF_DZ_RX_OVERRIDE_HOLDOFF_LBN 59 +#define ESF_DZ_RX_OVERRIDE_HOLDOFF_WIDTH 1 +#define ESF_DZ_RX_DROP_EVENT_LBN 58 +#define ESF_DZ_RX_DROP_EVENT_WIDTH 1 +#define ESF_DZ_RX_EV_RSVD2_LBN 54 +#define ESF_DZ_RX_EV_RSVD2_WIDTH 4 +#define ESF_DZ_RX_EV_SOFT2_LBN 52 +#define ESF_DZ_RX_EV_SOFT2_WIDTH 2 +#define ESF_DZ_RX_DSC_PTR_LBITS_LBN 48 +#define ESF_DZ_RX_DSC_PTR_LBITS_WIDTH 4 +#define ESF_DZ_RX_L4_CLASS_LBN 45 +#define ESF_DZ_RX_L4_CLASS_WIDTH 3 +#define ESE_DZ_L4_CLASS_RSVD7 7 +#define ESE_DZ_L4_CLASS_RSVD6 6 +#define ESE_DZ_L4_CLASS_RSVD5 5 +#define ESE_DZ_L4_CLASS_RSVD4 4 +#define ESE_DZ_L4_CLASS_RSVD3 3 +#define ESE_DZ_L4_CLASS_UDP 2 +#define ESE_DZ_L4_CLASS_TCP 1 +#define ESE_DZ_L4_CLASS_UNKNOWN 0 +#define ESF_DZ_RX_L3_CLASS_LBN 42 +#define ESF_DZ_RX_L3_CLASS_WIDTH 3 +#define ESE_DZ_L3_CLASS_RSVD7 7 +#define ESE_DZ_L3_CLASS_IP6_FRAG 6 +#define ESE_DZ_L3_CLASS_ARP 5 +#define ESE_DZ_L3_CLASS_IP4_FRAG 4 +#define ESE_DZ_L3_CLASS_FCOE 3 +#define ESE_DZ_L3_CLASS_IP6 2 +#define ESE_DZ_L3_CLASS_IP4 1 +#define ESE_DZ_L3_CLASS_UNKNOWN 0 +#define ESF_DZ_RX_ETH_TAG_CLASS_LBN 39 +#define ESF_DZ_RX_ETH_TAG_CLASS_WIDTH 3 +#define ESE_DZ_ETH_TAG_CLASS_RSVD7 7 +#define ESE_DZ_ETH_TAG_CLASS_RSVD6 6 +#define ESE_DZ_ETH_TAG_CLASS_RSVD5 5 +#define ESE_DZ_ETH_TAG_CLASS_RSVD4 4 +#define ESE_DZ_ETH_TAG_CLASS_RSVD3 3 +#define ESE_DZ_ETH_TAG_CLASS_VLAN2 2 +#define ESE_DZ_ETH_TAG_CLASS_VLAN1 1 +#define ESE_DZ_ETH_TAG_CLASS_NONE 0 +#define ESF_DZ_RX_ETH_BASE_CLASS_LBN 36 +#define ESF_DZ_RX_ETH_BASE_CLASS_WIDTH 3 +#define ESE_DZ_ETH_BASE_CLASS_LLC_SNAP 2 +#define ESE_DZ_ETH_BASE_CLASS_LLC 1 +#define ESE_DZ_ETH_BASE_CLASS_ETH2 0 +#define ESF_DZ_RX_MAC_CLASS_LBN 35 +#define ESF_DZ_RX_MAC_CLASS_WIDTH 1 +#define ESE_DZ_MAC_CLASS_MCAST 1 +#define ESE_DZ_MAC_CLASS_UCAST 0 +#define ESF_DZ_RX_EV_SOFT1_LBN 32 +#define ESF_DZ_RX_EV_SOFT1_WIDTH 3 +#define ESF_DZ_RX_EV_RSVD1_LBN 31 +#define ESF_DZ_RX_EV_RSVD1_WIDTH 1 +#define ESF_DZ_RX_ABORT_LBN 30 +#define ESF_DZ_RX_ABORT_WIDTH 1 +#define ESF_DZ_RX_ECC_ERR_LBN 29 +#define ESF_DZ_RX_ECC_ERR_WIDTH 1 +#define ESF_DZ_RX_CRC1_ERR_LBN 28 +#define ESF_DZ_RX_CRC1_ERR_WIDTH 1 +#define ESF_DZ_RX_CRC0_ERR_LBN 27 +#define ESF_DZ_RX_CRC0_ERR_WIDTH 1 +#define ESF_DZ_RX_TCPUDP_CKSUM_ERR_LBN 26 +#define ESF_DZ_RX_TCPUDP_CKSUM_ERR_WIDTH 1 +#define ESF_DZ_RX_IPCKSUM_ERR_LBN 25 +#define ESF_DZ_RX_IPCKSUM_ERR_WIDTH 1 +#define ESF_DZ_RX_ECRC_ERR_LBN 24 +#define ESF_DZ_RX_ECRC_ERR_WIDTH 1 +#define ESF_DZ_RX_QLABEL_LBN 16 +#define ESF_DZ_RX_QLABEL_WIDTH 5 +#define ESF_DZ_RX_PARSE_INCOMPLETE_LBN 15 +#define ESF_DZ_RX_PARSE_INCOMPLETE_WIDTH 1 +#define ESF_DZ_RX_CONT_LBN 14 +#define ESF_DZ_RX_CONT_WIDTH 1 +#define ESF_DZ_RX_BYTES_LBN 0 +#define ESF_DZ_RX_BYTES_WIDTH 14 + +/* RX_KER_DESC */ +#define ESF_DZ_RX_KER_RESERVED_LBN 62 +#define ESF_DZ_RX_KER_RESERVED_WIDTH 2 +#define ESF_DZ_RX_KER_BYTE_CNT_LBN 48 +#define ESF_DZ_RX_KER_BYTE_CNT_WIDTH 14 +#define ESF_DZ_RX_KER_BUF_ADDR_LBN 0 +#define ESF_DZ_RX_KER_BUF_ADDR_WIDTH 48 + +/* TX_CSUM_TSTAMP_DESC */ +#define ESF_DZ_TX_DESC_IS_OPT_LBN 63 +#define ESF_DZ_TX_DESC_IS_OPT_WIDTH 1 +#define ESF_DZ_TX_OPTION_TYPE_LBN 60 +#define ESF_DZ_TX_OPTION_TYPE_WIDTH 3 +#define ESE_DZ_TX_OPTION_DESC_TSO 7 +#define ESE_DZ_TX_OPTION_DESC_VLAN 6 +#define ESE_DZ_TX_OPTION_DESC_CRC_CSUM 0 +#define ESF_DZ_TX_TIMESTAMP_LBN 5 +#define ESF_DZ_TX_TIMESTAMP_WIDTH 1 +#define ESF_DZ_TX_OPTION_CRC_MODE_LBN 2 +#define ESF_DZ_TX_OPTION_CRC_MODE_WIDTH 3 +#define ESE_DZ_TX_OPTION_CRC_FCOIP_MPA 5 +#define ESE_DZ_TX_OPTION_CRC_FCOIP_FCOE 4 +#define ESE_DZ_TX_OPTION_CRC_ISCSI_HDR_AND_PYLD 3 +#define ESE_DZ_TX_OPTION_CRC_ISCSI_HDR 2 +#define ESE_DZ_TX_OPTION_CRC_FCOE 1 +#define ESE_DZ_TX_OPTION_CRC_OFF 0 +#define ESF_DZ_TX_OPTION_UDP_TCP_CSUM_LBN 1 +#define ESF_DZ_TX_OPTION_UDP_TCP_CSUM_WIDTH 1 +#define ESF_DZ_TX_OPTION_IP_CSUM_LBN 0 +#define ESF_DZ_TX_OPTION_IP_CSUM_WIDTH 1 + +/* TX_EVENT */ +#define ESF_DZ_TX_CODE_LBN 60 +#define ESF_DZ_TX_CODE_WIDTH 4 +#define ESF_DZ_TX_OVERRIDE_HOLDOFF_LBN 59 +#define ESF_DZ_TX_OVERRIDE_HOLDOFF_WIDTH 1 +#define ESF_DZ_TX_DROP_EVENT_LBN 58 +#define ESF_DZ_TX_DROP_EVENT_WIDTH 1 +#define ESF_DZ_TX_EV_RSVD_LBN 48 +#define ESF_DZ_TX_EV_RSVD_WIDTH 10 +#define ESF_DZ_TX_SOFT2_LBN 32 +#define ESF_DZ_TX_SOFT2_WIDTH 16 +#define ESF_DZ_TX_CAN_MERGE_LBN 31 +#define ESF_DZ_TX_CAN_MERGE_WIDTH 1 +#define ESF_DZ_TX_SOFT1_LBN 24 +#define ESF_DZ_TX_SOFT1_WIDTH 7 +#define ESF_DZ_TX_QLABEL_LBN 16 +#define ESF_DZ_TX_QLABEL_WIDTH 5 +#define ESF_DZ_TX_DESCR_INDX_LBN 0 +#define ESF_DZ_TX_DESCR_INDX_WIDTH 16 + +/* TX_KER_DESC */ +#define ESF_DZ_TX_KER_TYPE_LBN 63 +#define ESF_DZ_TX_KER_TYPE_WIDTH 1 +#define ESF_DZ_TX_KER_CONT_LBN 62 +#define ESF_DZ_TX_KER_CONT_WIDTH 1 +#define ESF_DZ_TX_KER_BYTE_CNT_LBN 48 +#define ESF_DZ_TX_KER_BYTE_CNT_WIDTH 14 +#define ESF_DZ_TX_KER_BUF_ADDR_LBN 0 +#define ESF_DZ_TX_KER_BUF_ADDR_WIDTH 48 + +/* TX_PIO_DESC */ +#define ESF_DZ_TX_PIO_TYPE_LBN 63 +#define ESF_DZ_TX_PIO_TYPE_WIDTH 1 +#define ESF_DZ_TX_PIO_OPT_LBN 60 +#define ESF_DZ_TX_PIO_OPT_WIDTH 3 +#define ESF_DZ_TX_PIO_CONT_LBN 59 +#define ESF_DZ_TX_PIO_CONT_WIDTH 1 +#define ESF_DZ_TX_PIO_BYTE_CNT_LBN 32 +#define ESF_DZ_TX_PIO_BYTE_CNT_WIDTH 12 +#define ESF_DZ_TX_PIO_BUF_ADDR_LBN 0 +#define ESF_DZ_TX_PIO_BUF_ADDR_WIDTH 12 + +/* TX_TSO_DESC */ +#define ESF_DZ_TX_DESC_IS_OPT_LBN 63 +#define ESF_DZ_TX_DESC_IS_OPT_WIDTH 1 +#define ESF_DZ_TX_OPTION_TYPE_LBN 60 +#define ESF_DZ_TX_OPTION_TYPE_WIDTH 3 +#define ESE_DZ_TX_OPTION_DESC_TSO 7 +#define ESE_DZ_TX_OPTION_DESC_VLAN 6 +#define ESE_DZ_TX_OPTION_DESC_CRC_CSUM 0 +#define ESF_DZ_TX_TSO_TCP_FLAGS_LBN 48 +#define ESF_DZ_TX_TSO_TCP_FLAGS_WIDTH 8 +#define ESF_DZ_TX_TSO_IP_ID_LBN 32 +#define ESF_DZ_TX_TSO_IP_ID_WIDTH 16 +#define ESF_DZ_TX_TSO_TCP_SEQNO_LBN 0 +#define ESF_DZ_TX_TSO_TCP_SEQNO_WIDTH 32 + +/*************************************************************************/ + +/* TX_DESC_UPD_REG: Transmit descriptor update register. + * We may write just one dword of these registers. + */ +#define ER_DZ_TX_DESC_UPD_DWORD (ER_DZ_TX_DESC_UPD + 2 * 4) +#define ERF_DZ_TX_DESC_WPTR_DWORD_LBN (ERF_DZ_TX_DESC_WPTR_LBN - 2 * 32) +#define ERF_DZ_TX_DESC_WPTR_DWORD_WIDTH ERF_DZ_TX_DESC_WPTR_WIDTH + +/* The workaround for bug 35388 requires multiplexing writes through + * the TX_DESC_UPD_DWORD address. + * TX_DESC_UPD: 0ppppppppppp (bit 11 lost) + * EVQ_RPTR: 1000hhhhhhhh, 1001llllllll (split into high and low bits) + * EVQ_TMR: 11mmvvvvvvvv (bits 8:13 of value lost) + */ +#define ER_DD_EVQ_INDIRECT ER_DZ_TX_DESC_UPD_DWORD +#define ERF_DD_EVQ_IND_RPTR_FLAGS_LBN 8 +#define ERF_DD_EVQ_IND_RPTR_FLAGS_WIDTH 4 +#define EFE_DD_EVQ_IND_RPTR_FLAGS_HIGH 8 +#define EFE_DD_EVQ_IND_RPTR_FLAGS_LOW 9 +#define ERF_DD_EVQ_IND_RPTR_LBN 0 +#define ERF_DD_EVQ_IND_RPTR_WIDTH 8 +#define ERF_DD_EVQ_IND_TIMER_FLAGS_LBN 10 +#define ERF_DD_EVQ_IND_TIMER_FLAGS_WIDTH 2 +#define EFE_DD_EVQ_IND_TIMER_FLAGS 3 +#define ERF_DD_EVQ_IND_TIMER_MODE_LBN 8 +#define ERF_DD_EVQ_IND_TIMER_MODE_WIDTH 2 +#define ERF_DD_EVQ_IND_TIMER_VAL_LBN 0 +#define ERF_DD_EVQ_IND_TIMER_VAL_WIDTH 8 + +/* TX_PIOBUF + * PIO buffer aperture (paged) + */ +#define ER_DZ_TX_PIOBUF 4096 +#define ER_DZ_TX_PIOBUF_SIZE 2048 + +/* RX packet prefix */ +#define ES_DZ_RX_PREFIX_HASH_OFST 0 +#define ES_DZ_RX_PREFIX_VLAN1_OFST 4 +#define ES_DZ_RX_PREFIX_VLAN2_OFST 6 +#define ES_DZ_RX_PREFIX_PKTLEN_OFST 8 +#define ES_DZ_RX_PREFIX_TSTAMP_OFST 10 +#define ES_DZ_RX_PREFIX_SIZE 14 + +#endif /* EFX_EF10_REGS_H */ diff --git a/src/drivers/net/sfc/efx_bitfield.h b/src/drivers/net/sfc/efx_bitfield.h new file mode 100644 index 00000000..f1e9b932 --- /dev/null +++ b/src/drivers/net/sfc/efx_bitfield.h @@ -0,0 +1,555 @@ +/**************************************************************************** + * + * Driver for Solarflare network controllers and boards + * Copyright 2005-2006 Fen Systems Ltd. + * Copyright 2006-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + */ + +#ifndef EFX_BITFIELD_H +#define EFX_BITFIELD_H + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include <byteswap.h> + +/** \file efx_bitfield.h + * Efx bitfield access + * + * Efx NICs make extensive use of bitfields up to 128 bits + * wide. Since there is no native 128-bit datatype on most systems, + * and since 64-bit datatypes are inefficient on 32-bit systems and + * vice versa, we wrap accesses in a way that uses the most efficient + * datatype. + * + * The NICs are PCI devices and therefore little-endian. Since most + * of the quantities that we deal with are DMAed to/from host memory, + * we define our datatypes (efx_oword_t, efx_qword_t and + * efx_dword_t) to be little-endian. + */ + +/* Lowest bit numbers and widths */ +#define EFX_DUMMY_FIELD_LBN 0 +#define EFX_DUMMY_FIELD_WIDTH 0 +#define EFX_WORD_0_LBN 0 +#define EFX_WORD_0_WIDTH 16 +#define EFX_WORD_1_LBN 16 +#define EFX_WORD_1_WIDTH 16 +#define EFX_DWORD_0_LBN 0 +#define EFX_DWORD_0_WIDTH 32 +#define EFX_DWORD_1_LBN 32 +#define EFX_DWORD_1_WIDTH 32 +#define EFX_DWORD_2_LBN 64 +#define EFX_DWORD_2_WIDTH 32 +#define EFX_DWORD_3_LBN 96 +#define EFX_DWORD_3_WIDTH 32 +#define EFX_QWORD_0_LBN 0 +#define EFX_QWORD_0_WIDTH 64 + +/* Specified attribute (e.g. LBN) of the specified field */ +#define EFX_VAL(field, attribute) field ## _ ## attribute +/* Low bit number of the specified field */ +#define EFX_LOW_BIT(field) EFX_VAL(field, LBN) +/* Bit width of the specified field */ +#define EFX_WIDTH(field) EFX_VAL(field, WIDTH) +/* High bit number of the specified field */ +#define EFX_HIGH_BIT(field) (EFX_LOW_BIT(field) + EFX_WIDTH(field) - 1) +/* Mask equal in width to the specified field. + * + * For example, a field with width 5 would have a mask of 0x1f. + * + * The maximum width mask that can be generated is 64 bits. + */ +#define EFX_MASK64(width) \ + ((width) == 64 ? ~((u64) 0) : \ + (((((u64) 1) << (width))) - 1)) + +/* Mask equal in width to the specified field. + * + * For example, a field with width 5 would have a mask of 0x1f. + * + * The maximum width mask that can be generated is 32 bits. Use + * EFX_MASK64 for higher width fields. + */ +#define EFX_MASK32(width) \ + ((width) == 32 ? ~((u32) 0) : \ + (((((u32) 1) << (width))) - 1)) + +/** A doubleword (4 byte) datatype - little-endian in HW */ +typedef union efx_dword { + __le32 u32[1]; +} efx_dword_t; + +/** A quadword (8 byte) datatype - little-endian in HW */ +typedef union efx_qword { + __le64 u64[1]; + __le32 u32[2]; + efx_dword_t dword[2]; +} efx_qword_t; + +/** An octword (eight-word, so 16 byte) datatype - little-endian in HW */ +typedef union efx_oword { + __le64 u64[2]; + efx_qword_t qword[2]; + __le32 u32[4]; + efx_dword_t dword[4]; +} efx_oword_t; + +/* Format string and value expanders for printk */ +#define EFX_DWORD_FMT "%08x" +#define EFX_QWORD_FMT "%08x:%08x" +#define EFX_OWORD_FMT "%08x:%08x:%08x:%08x" +#define EFX_DWORD_VAL(dword) \ + ((unsigned int) le32_to_cpu((dword).u32[0])) +#define EFX_QWORD_VAL(qword) \ + ((unsigned int) le32_to_cpu((qword).u32[1])), \ + ((unsigned int) le32_to_cpu((qword).u32[0])) +#define EFX_OWORD_VAL(oword) \ + ((unsigned int) le32_to_cpu((oword).u32[3])), \ + ((unsigned int) le32_to_cpu((oword).u32[2])), \ + ((unsigned int) le32_to_cpu((oword).u32[1])), \ + ((unsigned int) le32_to_cpu((oword).u32[0])) + +/* + * Extract bit field portion [low,high) from the native-endian element + * which contains bits [min,max). + * + * For example, suppose "element" represents the high 32 bits of a + * 64-bit value, and we wish to extract the bits belonging to the bit + * field occupying bits 28-45 of this 64-bit value. + * + * Then EFX_EXTRACT ( element, 32, 63, 28, 45 ) would give + * + * ( element ) << 4 + * + * The result will contain the relevant bits filled in in the range + * [0,high-low), with garbage in bits [high-low+1,...). + */ +#define EFX_EXTRACT_NATIVE(native_element, min, max, low, high) \ + ((low) > (max) || (high) < (min) ? 0 : \ + (low) > (min) ? \ + (native_element) >> ((low) - (min)) : \ + (native_element) << ((min) - (low))) + +/* + * Extract bit field portion [low,high) from the 64-bit little-endian + * element which contains bits [min,max) + */ +#define EFX_EXTRACT64(element, min, max, low, high) \ + EFX_EXTRACT_NATIVE(le64_to_cpu(element), min, max, low, high) + +/* + * Extract bit field portion [low,high) from the 32-bit little-endian + * element which contains bits [min,max) + */ +#define EFX_EXTRACT32(element, min, max, low, high) \ + EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) + +#define EFX_EXTRACT_OWORD64(oword, low, high) \ + ((EFX_EXTRACT64((oword).u64[0], 0, 63, low, high) | \ + EFX_EXTRACT64((oword).u64[1], 64, 127, low, high)) & \ + EFX_MASK64((high) + 1 - (low))) + +#define EFX_EXTRACT_QWORD64(qword, low, high) \ + (EFX_EXTRACT64((qword).u64[0], 0, 63, low, high) & \ + EFX_MASK64((high) + 1 - (low))) + +#define EFX_EXTRACT_OWORD32(oword, low, high) \ + ((EFX_EXTRACT32((oword).u32[0], 0, 31, low, high) | \ + EFX_EXTRACT32((oword).u32[1], 32, 63, low, high) | \ + EFX_EXTRACT32((oword).u32[2], 64, 95, low, high) | \ + EFX_EXTRACT32((oword).u32[3], 96, 127, low, high)) & \ + EFX_MASK32((high) + 1 - (low))) + +#define EFX_EXTRACT_QWORD32(qword, low, high) \ + ((EFX_EXTRACT32((qword).u32[0], 0, 31, low, high) | \ + EFX_EXTRACT32((qword).u32[1], 32, 63, low, high)) & \ + EFX_MASK32((high) + 1 - (low))) + +#define EFX_EXTRACT_DWORD(dword, low, high) \ + (EFX_EXTRACT32((dword).u32[0], 0, 31, low, high) & \ + EFX_MASK32((high) + 1 - (low))) + +#define EFX_OWORD_FIELD64(oword, field) \ + EFX_EXTRACT_OWORD64(oword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field)) + +#define EFX_QWORD_FIELD64(qword, field) \ + EFX_EXTRACT_QWORD64(qword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field)) + +#define EFX_OWORD_FIELD32(oword, field) \ + EFX_EXTRACT_OWORD32(oword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field)) + +#define EFX_QWORD_FIELD32(qword, field) \ + EFX_EXTRACT_QWORD32(qword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field)) + +#define EFX_DWORD_FIELD(dword, field) \ + EFX_EXTRACT_DWORD(dword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field)) + +#define EFX_OWORD_IS_ZERO64(oword) \ + (((oword).u64[0] | (oword).u64[1]) == (__force __le64) 0) + +#define EFX_QWORD_IS_ZERO64(qword) \ + (((qword).u64[0]) == (__force __le64) 0) + +#define EFX_OWORD_IS_ZERO32(oword) \ + (((oword).u32[0] | (oword).u32[1] | (oword).u32[2] | (oword).u32[3]) \ + == (__force __le32) 0) + +#define EFX_QWORD_IS_ZERO32(qword) \ + (((qword).u32[0] | (qword).u32[1]) == (__force __le32) 0) + +#define EFX_DWORD_IS_ZERO(dword) \ + (((dword).u32[0]) == (__force __le32) 0) + +#define EFX_OWORD_IS_ALL_ONES64(oword) \ + (((oword).u64[0] & (oword).u64[1]) == ~((__force __le64) 0)) + +#define EFX_QWORD_IS_ALL_ONES64(qword) \ + ((qword).u64[0] == ~((__force __le64) 0)) + +#define EFX_OWORD_IS_ALL_ONES32(oword) \ + (((oword).u32[0] & (oword).u32[1] & (oword).u32[2] & (oword).u32[3]) \ + == ~((__force __le32) 0)) + +#define EFX_QWORD_IS_ALL_ONES32(qword) \ + (((qword).u32[0] & (qword).u32[1]) == ~((__force __le32) 0)) + +#define EFX_DWORD_IS_ALL_ONES(dword) \ + ((dword).u32[0] == ~((__force __le32) 0)) + +#if BITS_PER_LONG == 64 +#define EFX_OWORD_FIELD EFX_OWORD_FIELD64 +#define EFX_QWORD_FIELD EFX_QWORD_FIELD64 +#define EFX_OWORD_IS_ZERO EFX_OWORD_IS_ZERO64 +#define EFX_QWORD_IS_ZERO EFX_QWORD_IS_ZERO64 +#define EFX_OWORD_IS_ALL_ONES EFX_OWORD_IS_ALL_ONES64 +#define EFX_QWORD_IS_ALL_ONES EFX_QWORD_IS_ALL_ONES64 +#else +#define EFX_OWORD_FIELD EFX_OWORD_FIELD32 +#define EFX_QWORD_FIELD EFX_QWORD_FIELD32 +#define EFX_OWORD_IS_ZERO EFX_OWORD_IS_ZERO32 +#define EFX_QWORD_IS_ZERO EFX_QWORD_IS_ZERO32 +#define EFX_OWORD_IS_ALL_ONES EFX_OWORD_IS_ALL_ONES32 +#define EFX_QWORD_IS_ALL_ONES EFX_QWORD_IS_ALL_ONES32 +#endif + +/* + * Construct bit field portion + * + * Creates the portion of the bit field [low,high) that lies within + * the range [min,max). + */ +#define EFX_INSERT_NATIVE64(min, max, low, high, value) \ + (((low > max) || (high < min)) ? 0 : \ + ((low > min) ? \ + (((u64) (value)) << (low - min)) : \ + (((u64) (value)) >> (min - low)))) + +#define EFX_INSERT_NATIVE32(min, max, low, high, value) \ + (((low > max) || (high < min)) ? 0 : \ + ((low > min) ? \ + (((u32) (value)) << (low - min)) : \ + (((u32) (value)) >> (min - low)))) + +#define EFX_INSERT_NATIVE(min, max, low, high, value) \ + ((((max - min) >= 32) || ((high - low) >= 32)) ? \ + EFX_INSERT_NATIVE64(min, max, low, high, value) : \ + EFX_INSERT_NATIVE32(min, max, low, high, value)) + +/* + * Construct bit field portion + * + * Creates the portion of the named bit field that lies within the + * range [min,max). + */ +#define EFX_INSERT_FIELD_NATIVE(min, max, field, value) \ + EFX_INSERT_NATIVE(min, max, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field), value) + +/* + * Construct bit field + * + * Creates the portion of the named bit fields that lie within the + * range [min,max). + */ +#define EFX_INSERT_FIELDS_NATIVE(min, max, \ + field1, value1, \ + field2, value2, \ + field3, value3, \ + field4, value4, \ + field5, value5, \ + field6, value6, \ + field7, value7, \ + field8, value8, \ + field9, value9, \ + field10, value10) \ + (EFX_INSERT_FIELD_NATIVE((min), (max), field1, (value1)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field2, (value2)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field3, (value3)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field4, (value4)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field5, (value5)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field6, (value6)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field7, (value7)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field8, (value8)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field9, (value9)) | \ + EFX_INSERT_FIELD_NATIVE((min), (max), field10, (value10))) + +#define EFX_INSERT_FIELDS64(...) \ + cpu_to_le64(EFX_INSERT_FIELDS_NATIVE(__VA_ARGS__)) + +#define EFX_INSERT_FIELDS32(...) \ + cpu_to_le32(EFX_INSERT_FIELDS_NATIVE(__VA_ARGS__)) + +#define EFX_POPULATE_OWORD64(oword, ...) do { \ + (oword).u64[0] = EFX_INSERT_FIELDS64(0, 63, __VA_ARGS__); \ + (oword).u64[1] = EFX_INSERT_FIELDS64(64, 127, __VA_ARGS__); \ + } while (0) + +#define EFX_POPULATE_QWORD64(qword, ...) do { \ + (qword).u64[0] = EFX_INSERT_FIELDS64(0, 63, __VA_ARGS__); \ + } while (0) + +#define EFX_POPULATE_OWORD32(oword, ...) do { \ + (oword).u32[0] = EFX_INSERT_FIELDS32(0, 31, __VA_ARGS__); \ + (oword).u32[1] = EFX_INSERT_FIELDS32(32, 63, __VA_ARGS__); \ + (oword).u32[2] = EFX_INSERT_FIELDS32(64, 95, __VA_ARGS__); \ + (oword).u32[3] = EFX_INSERT_FIELDS32(96, 127, __VA_ARGS__); \ + } while (0) + +#define EFX_POPULATE_QWORD32(qword, ...) do { \ + (qword).u32[0] = EFX_INSERT_FIELDS32(0, 31, __VA_ARGS__); \ + (qword).u32[1] = EFX_INSERT_FIELDS32(32, 63, __VA_ARGS__); \ + } while (0) + +#define EFX_POPULATE_DWORD(dword, ...) do { \ + (dword).u32[0] = EFX_INSERT_FIELDS32(0, 31, __VA_ARGS__); \ + } while (0) + +#if BITS_PER_LONG == 64 +#define EFX_POPULATE_OWORD EFX_POPULATE_OWORD64 +#define EFX_POPULATE_QWORD EFX_POPULATE_QWORD64 +#else +#define EFX_POPULATE_OWORD EFX_POPULATE_OWORD32 +#define EFX_POPULATE_QWORD EFX_POPULATE_QWORD32 +#endif + +/* Populate an octword field with various numbers of arguments */ +#define EFX_POPULATE_OWORD_10 EFX_POPULATE_OWORD +#define EFX_POPULATE_OWORD_9(oword, ...) \ + EFX_POPULATE_OWORD_10(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_8(oword, ...) \ + EFX_POPULATE_OWORD_9(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_7(oword, ...) \ + EFX_POPULATE_OWORD_8(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_6(oword, ...) \ + EFX_POPULATE_OWORD_7(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_5(oword, ...) \ + EFX_POPULATE_OWORD_6(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_4(oword, ...) \ + EFX_POPULATE_OWORD_5(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_3(oword, ...) \ + EFX_POPULATE_OWORD_4(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_2(oword, ...) \ + EFX_POPULATE_OWORD_3(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_OWORD_1(oword, ...) \ + EFX_POPULATE_OWORD_2(oword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_ZERO_OWORD(oword) \ + EFX_POPULATE_OWORD_1(oword, EFX_DUMMY_FIELD, 0) +#define EFX_SET_OWORD(oword) \ + EFX_POPULATE_OWORD_4(oword, \ + EFX_DWORD_0, 0xffffffff, \ + EFX_DWORD_1, 0xffffffff, \ + EFX_DWORD_2, 0xffffffff, \ + EFX_DWORD_3, 0xffffffff) + +/* Populate a quadword field with various numbers of arguments */ +#define EFX_POPULATE_QWORD_10 EFX_POPULATE_QWORD +#define EFX_POPULATE_QWORD_9(qword, ...) \ + EFX_POPULATE_QWORD_10(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_8(qword, ...) \ + EFX_POPULATE_QWORD_9(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_7(qword, ...) \ + EFX_POPULATE_QWORD_8(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_6(qword, ...) \ + EFX_POPULATE_QWORD_7(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_5(qword, ...) \ + EFX_POPULATE_QWORD_6(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_4(qword, ...) \ + EFX_POPULATE_QWORD_5(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_3(qword, ...) \ + EFX_POPULATE_QWORD_4(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_2(qword, ...) \ + EFX_POPULATE_QWORD_3(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_QWORD_1(qword, ...) \ + EFX_POPULATE_QWORD_2(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_ZERO_QWORD(qword) \ + EFX_POPULATE_QWORD_1(qword, EFX_DUMMY_FIELD, 0) +#define EFX_SET_QWORD(qword) \ + EFX_POPULATE_QWORD_2(qword, \ + EFX_DWORD_0, 0xffffffff, \ + EFX_DWORD_1, 0xffffffff) + +/* Populate a dword field with various numbers of arguments */ +#define EFX_POPULATE_DWORD_10 EFX_POPULATE_DWORD +#define EFX_POPULATE_DWORD_9(dword, ...) \ + EFX_POPULATE_DWORD_10(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_8(dword, ...) \ + EFX_POPULATE_DWORD_9(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_7(dword, ...) \ + EFX_POPULATE_DWORD_8(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_6(dword, ...) \ + EFX_POPULATE_DWORD_7(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_5(dword, ...) \ + EFX_POPULATE_DWORD_6(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_4(dword, ...) \ + EFX_POPULATE_DWORD_5(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_3(dword, ...) \ + EFX_POPULATE_DWORD_4(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_2(dword, ...) \ + EFX_POPULATE_DWORD_3(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_POPULATE_DWORD_1(dword, ...) \ + EFX_POPULATE_DWORD_2(dword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) +#define EFX_ZERO_DWORD(dword) \ + EFX_POPULATE_DWORD_1(dword, EFX_DUMMY_FIELD, 0) +#define EFX_SET_DWORD(dword) \ + EFX_POPULATE_DWORD_1(dword, EFX_DWORD_0, 0xffffffff) + +/* + * Modify a named field within an already-populated structure. Used + * for read-modify-write operations. + * + */ +#define EFX_INVERT_OWORD(oword) do { \ + (oword).u64[0] = ~((oword).u64[0]); \ + (oword).u64[1] = ~((oword).u64[1]); \ + } while (0) + +#define EFX_AND_OWORD(oword, from, mask) \ + do { \ + (oword).u64[0] = (from).u64[0] & (mask).u64[0]; \ + (oword).u64[1] = (from).u64[1] & (mask).u64[1]; \ + } while (0) + +#define EFX_AND_QWORD(qword, from, mask) \ + (qword).u64[0] = (from).u64[0] & (mask).u64[0] + +#define EFX_OR_OWORD(oword, from, mask) \ + do { \ + (oword).u64[0] = (from).u64[0] | (mask).u64[0]; \ + (oword).u64[1] = (from).u64[1] | (mask).u64[1]; \ + } while (0) + +#define EFX_INSERT64(min, max, low, high, value) \ + cpu_to_le64(EFX_INSERT_NATIVE(min, max, low, high, value)) + +#define EFX_INSERT32(min, max, low, high, value) \ + cpu_to_le32(EFX_INSERT_NATIVE(min, max, low, high, value)) + +#define EFX_INPLACE_MASK64(min, max, low, high) \ + EFX_INSERT64(min, max, low, high, EFX_MASK64((high) + 1 - (low))) + +#define EFX_INPLACE_MASK32(min, max, low, high) \ + EFX_INSERT32(min, max, low, high, EFX_MASK32((high) + 1 - (low))) + +#define EFX_SET_OWORD64(oword, low, high, value) do { \ + (oword).u64[0] = (((oword).u64[0] \ + & ~EFX_INPLACE_MASK64(0, 63, low, high)) \ + | EFX_INSERT64(0, 63, low, high, value)); \ + (oword).u64[1] = (((oword).u64[1] \ + & ~EFX_INPLACE_MASK64(64, 127, low, high)) \ + | EFX_INSERT64(64, 127, low, high, value)); \ + } while (0) + +#define EFX_SET_QWORD64(qword, low, high, value) do { \ + (qword).u64[0] = (((qword).u64[0] \ + & ~EFX_INPLACE_MASK64(0, 63, low, high)) \ + | EFX_INSERT64(0, 63, low, high, value)); \ + } while (0) + +#define EFX_SET_OWORD32(oword, low, high, value) do { \ + (oword).u32[0] = (((oword).u32[0] \ + & ~EFX_INPLACE_MASK32(0, 31, low, high)) \ + | EFX_INSERT32(0, 31, low, high, value)); \ + (oword).u32[1] = (((oword).u32[1] \ + & ~EFX_INPLACE_MASK32(32, 63, low, high)) \ + | EFX_INSERT32(32, 63, low, high, value)); \ + (oword).u32[2] = (((oword).u32[2] \ + & ~EFX_INPLACE_MASK32(64, 95, low, high)) \ + | EFX_INSERT32(64, 95, low, high, value)); \ + (oword).u32[3] = (((oword).u32[3] \ + & ~EFX_INPLACE_MASK32(96, 127, low, high)) \ + | EFX_INSERT32(96, 127, low, high, value)); \ + } while (0) + +#define EFX_SET_QWORD32(qword, low, high, value) do { \ + (qword).u32[0] = (((qword).u32[0] \ + & ~EFX_INPLACE_MASK32(0, 31, low, high)) \ + | EFX_INSERT32(0, 31, low, high, value)); \ + (qword).u32[1] = (((qword).u32[1] \ + & ~EFX_INPLACE_MASK32(32, 63, low, high)) \ + | EFX_INSERT32(32, 63, low, high, value)); \ + } while (0) + +#define EFX_SET_DWORD32(dword, low, high, value) do { \ + (dword).u32[0] = (((dword).u32[0] \ + & ~EFX_INPLACE_MASK32(0, 31, low, high)) \ + | EFX_INSERT32(0, 31, low, high, value)); \ + } while (0) + +#define EFX_SET_OWORD_FIELD64(oword, field, value) \ + EFX_SET_OWORD64(oword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field), value) + +#define EFX_SET_QWORD_FIELD64(qword, field, value) \ + EFX_SET_QWORD64(qword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field), value) + +#define EFX_SET_OWORD_FIELD32(oword, field, value) \ + EFX_SET_OWORD32(oword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field), value) + +#define EFX_SET_QWORD_FIELD32(qword, field, value) \ + EFX_SET_QWORD32(qword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field), value) + +#define EFX_SET_DWORD_FIELD(dword, field, value) \ + EFX_SET_DWORD32(dword, EFX_LOW_BIT(field), \ + EFX_HIGH_BIT(field), value) + + + +#if BITS_PER_LONG == 64 +#define EFX_SET_OWORD_FIELD EFX_SET_OWORD_FIELD64 +#define EFX_SET_QWORD_FIELD EFX_SET_QWORD_FIELD64 +#else +#define EFX_SET_OWORD_FIELD EFX_SET_OWORD_FIELD32 +#define EFX_SET_QWORD_FIELD EFX_SET_QWORD_FIELD32 +#endif + +/* Used to avoid compiler warnings about shift range exceeding width + * of the data types when dma_addr_t is only 32 bits wide. + */ +#define DMA_ADDR_T_WIDTH (8 * sizeof(dma_addr_t)) +#define EFX_DMA_TYPE_WIDTH(width) \ + (((width) < DMA_ADDR_T_WIDTH) ? (width) : DMA_ADDR_T_WIDTH) + + +/* Static initialiser */ +#define EFX_OWORD32(a, b, c, d) \ + { .u32 = { cpu_to_le32(a), cpu_to_le32(b), \ + cpu_to_le32(c), cpu_to_le32(d) } } + +#endif /* EFX_BITFIELD_H */ diff --git a/src/drivers/net/sfc/efx_common.c b/src/drivers/net/sfc/efx_common.c new file mode 100644 index 00000000..79a99435 --- /dev/null +++ b/src/drivers/net/sfc/efx_common.c @@ -0,0 +1,97 @@ +/************************************************************************** + * + * Driver datapath common code for Solarflare network cards + * + * Written by Shradha Shah <sshah@solarflare.com> + * + * Copyright Fen Systems Ltd. 2005 + * Copyright Level 5 Networks Inc. 2005 + * Copyright 2006-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + * + ***************************************************************************/ +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <assert.h> +#include <byteswap.h> +#include <ipxe/io.h> +#include <ipxe/pci.h> +#include <ipxe/malloc.h> +#include <ipxe/iobuf.h> +#include <ipxe/netdevice.h> +#include "efx_common.h" +#include "efx_bitfield.h" +#include "mc_driver_pcol.h" + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +/******************************************************************************* + * + * + * Low-level hardware access + * + * + ******************************************************************************/ + +void +efx_writel(struct efx_nic *efx, efx_dword_t *value, unsigned int reg) +{ + DBGCIO(efx, "Writing partial register %x with " EFX_DWORD_FMT "\n", + reg, EFX_DWORD_VAL(*value)); + _efx_writel(efx, value->u32[0], reg); +} + +void +efx_readl(struct efx_nic *efx, efx_dword_t *value, unsigned int reg) +{ + value->u32[0] = _efx_readl(efx, reg); + DBGCIO(efx, "Read from register %x, got " EFX_DWORD_FMT "\n", + reg, EFX_DWORD_VAL(*value)); +} + +/******************************************************************************* + * + * + * Inititialization and Close + * + * + ******************************************************************************/ +void efx_probe(struct net_device *netdev, enum efx_revision revision) +{ + struct efx_nic *efx = netdev_priv(netdev); + struct pci_device *pci = container_of(netdev->dev, + struct pci_device, dev); + + efx->netdev = netdev; + efx->revision = revision; + + /* MMIO bar */ + efx->mmio_start = pci_bar_start(pci, PCI_BASE_ADDRESS_2); + efx->mmio_len = pci_bar_size(pci, PCI_BASE_ADDRESS_2); + efx->membase = ioremap(efx->mmio_start, efx->mmio_len); + + DBGCP(efx, "BAR of %lx bytes at phys %lx mapped at %p\n", + efx->mmio_len, efx->mmio_start, efx->membase); + + /* Enable PCI access */ + adjust_pci_device(pci); +} + +void efx_remove(struct net_device *netdev) +{ + struct efx_nic *efx = netdev_priv(netdev); + + iounmap(efx->membase); + efx->membase = NULL; +} diff --git a/src/drivers/net/sfc/efx_common.h b/src/drivers/net/sfc/efx_common.h new file mode 100644 index 00000000..3487966c --- /dev/null +++ b/src/drivers/net/sfc/efx_common.h @@ -0,0 +1,232 @@ +/************************************************************************** + * + * GPL common net driver for Solarflare network cards + * + * Written by Michael Brown <mbrown@fensystems.co.uk> + * + * Copyright Fen Systems Ltd. 2005 + * Copyright Level 5 Networks Inc. 2005 + * Copyright Solarflare Communications Inc. 2013-2017 + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + * + ***************************************************************************/ +#ifndef EFX_COMMON_H +#define EFX_COMMON_H + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#define __packed __attribute__((__packed__)) +#define __force /*nothing*/ + +typedef uint16_t __le16; +typedef uint32_t __le32; +typedef uint64_t __le64; + +#define BUILD_BUG_ON_ZERO(e) (sizeof(struct{int: -!!(e); })) +#define BUILD_BUG_ON(e) ((void)BUILD_BUG_ON_ZERO(e)) + +#include <stdbool.h> +#include <ipxe/io.h> +#include <ipxe/netdevice.h> +#include "efx_bitfield.h" +#include "mcdi.h" + +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#endif + +/************************************************************************** + * + * Hardware data structures and sizing + * + ***************************************************************************/ +typedef efx_qword_t efx_rx_desc_t; +typedef efx_qword_t efx_tx_desc_t; +typedef efx_qword_t efx_event_t; + +#define EFX_BUF_ALIGN 4096 +#define EFX_RXD_SIZE 512 +#define EFX_RXD_MASK (EFX_RXD_SIZE - 1) +#define EFX_TXD_SIZE 512 +#define EFX_TXD_MASK (EFX_TXD_SIZE - 1) +#define EFX_EVQ_SIZE 512 +#define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1) + +/* There is space for 512 rx descriptors available. This number can be + * anything between 1 and 512 in powers of 2. This value will affect the + * network performance. During a test we were able to push 239 descriptors + * before we ran out of space. + */ +#define EFX_NUM_RX_DESC 64 +#define EFX_NUM_RX_DESC_MASK (EFX_NUM_RX_DESC - 1) + +/* The packet size is usually 1500 bytes hence we choose 1600 as the buf size, + * which is (1500+metadata) + */ +#define EFX_RX_BUF_SIZE 1600 + +/* Settings for the state field in efx_nic. + */ +#define EFX_STATE_POLLING 1 + +typedef unsigned long long dma_addr_t; + +/** A buffer table allocation backing a tx dma, rx dma or eventq */ +struct efx_special_buffer { + dma_addr_t dma_addr; + int id; +}; + +/** A transmit queue */ +struct efx_tx_queue { + /* The hardware ring */ + efx_tx_desc_t *ring; + + /* The software ring storing io_buffers. */ + struct io_buffer *buf[EFX_TXD_SIZE]; + + /* The buffer table reservation pushed to hardware */ + struct efx_special_buffer entry; + + /* Software descriptor write ptr */ + unsigned int write_ptr; + + /* Hardware descriptor read ptr */ + unsigned int read_ptr; +}; + +/** A receive queue */ +struct efx_rx_queue { + /* The hardware ring */ + efx_rx_desc_t *ring; + + /* The software ring storing io_buffers */ + struct io_buffer *buf[EFX_NUM_RX_DESC]; + + /* The buffer table reservation pushed to hardware */ + struct efx_special_buffer entry; + + /* Descriptor write ptr, into both the hardware and software rings */ + unsigned int write_ptr; + + /* Hardware completion ptr */ + unsigned int read_ptr; + + /* The value of RX_CONT in the previous RX event */ + unsigned int rx_cont_prev; +}; + +/** An event queue */ +struct efx_ev_queue { + /* The hardware ring to push to hardware. + * Must be the first entry in the structure. + */ + efx_event_t *ring; + + /* The buffer table reservation pushed to hardware */ + struct efx_special_buffer entry; + + /* Pointers into the ring */ + unsigned int read_ptr; +}; + +/* Hardware revisions */ +enum efx_revision { + EFX_HUNTINGTON, +}; + +/** Hardware access */ +struct efx_nic { + struct net_device *netdev; + enum efx_revision revision; + const struct efx_nic_type *type; + + int port; + u32 state; + + /** Memory and IO base */ + void *membase; + unsigned long mmio_start; + unsigned long mmio_len; + + /* Buffer table allocation head */ + int buffer_head; + + /* Queues */ + struct efx_rx_queue rxq; + struct efx_tx_queue txq; + struct efx_ev_queue evq; + + unsigned int rx_prefix_size; + + /** INT_REG_KER */ + int int_en; + efx_oword_t int_ker __aligned; + + /* Set to true if firmware supports the workaround for bug35388 */ + bool workaround_35388; + +}; + + +/** Efx device type definition */ +struct efx_nic_type { + int (*mcdi_rpc)(struct efx_nic *efx, unsigned int cmd, + const efx_dword_t *inbuf, size_t inlen, + efx_dword_t *outbuf, size_t outlen, + size_t *outlen_actual, bool quiet); +}; + +extern const struct efx_nic_type hunt_nic_type; + +#define EFX_MAC_FRAME_LEN(_mtu) \ + (((_mtu) \ + + /* EtherII already included */ \ + + 4 /* FCS */ \ + /* No VLAN supported */ \ + + 16 /* bug16772 */ \ + + 7) & ~7) + +/******************************************************************************* + * + * + * Hardware API + * + * + ******************************************************************************/ +static inline void _efx_writel(struct efx_nic *efx, uint32_t value, + unsigned int reg) +{ + writel((value), (efx)->membase + (reg)); +} + +static inline uint32_t _efx_readl(struct efx_nic *efx, unsigned int reg) +{ + return readl((efx)->membase + (reg)); +} + +#define efx_writel_table(efx, value, index, reg) \ + efx_writel(efx, value, (reg) + ((index) * reg##_STEP)) + +#define efx_writel_page(efx, value, index, reg) \ + efx_writel(efx, value, (reg) + ((index) * 0x2000)) + +/* Hardware access */ +extern void efx_writel(struct efx_nic *efx, efx_dword_t *value, + unsigned int reg); +extern void efx_readl(struct efx_nic *efx, efx_dword_t *value, + unsigned int reg); + +/* Initialisation */ +extern void efx_probe(struct net_device *netdev, enum efx_revision rev); +extern void efx_remove(struct net_device *netdev); + +#endif /* EFX_COMMON_H */ diff --git a/src/drivers/net/sfc/efx_hunt.c b/src/drivers/net/sfc/efx_hunt.c new file mode 100644 index 00000000..07dd7dfe --- /dev/null +++ b/src/drivers/net/sfc/efx_hunt.c @@ -0,0 +1,510 @@ +/************************************************************************** + * + * Driver datapath for Solarflare network cards + * + * Written by Shradha Shah <sshah@solarflare.com> + * + * Copyright 2012-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + * + ***************************************************************************/ + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <assert.h> +#include <byteswap.h> +#include <ipxe/io.h> +#include <ipxe/pci.h> +#include <ipxe/malloc.h> +#include <ipxe/iobuf.h> +#include <ipxe/netdevice.h> +#include "efx_hunt.h" +#include "efx_bitfield.h" +#include "ef10_regs.h" + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +void efx_hunt_free_special_buffer(void *buf, int bytes) +{ + free_dma(buf, bytes); +} + +static void *efx_hunt_alloc_special_buffer(int bytes, + struct efx_special_buffer *entry) +{ + void *buffer; + dma_addr_t dma_addr; + + /* Allocate the buffer, aligned on a buffer address boundary. This + * buffer will be passed into an MC_CMD_INIT_*Q command to setup the + * appropriate type of queue via MCDI. + */ + buffer = malloc_dma(bytes, EFX_BUF_ALIGN); + if (!buffer) + return NULL; + + entry->dma_addr = dma_addr = virt_to_bus(buffer); + assert((dma_addr & (EFX_BUF_ALIGN - 1)) == 0); + + /* Buffer table entries aren't allocated, so set id to zero */ + entry->id = 0; + DBGP("Allocated 0x%x bytes at %p\n", bytes, buffer); + + return buffer; +} + +/******************************************************************************* + * + * + * TX + * + * + ******************************************************************************/ +static void +efx_hunt_build_tx_desc(efx_tx_desc_t *txd, struct io_buffer *iob) +{ + dma_addr_t dma_addr; + + dma_addr = virt_to_bus(iob->data); + + EFX_POPULATE_QWORD_4(*txd, + ESF_DZ_TX_KER_TYPE, 0, + ESF_DZ_TX_KER_CONT, 0, + ESF_DZ_TX_KER_BYTE_CNT, iob_len(iob), + ESF_DZ_TX_KER_BUF_ADDR, dma_addr); +} + +static void +efx_hunt_notify_tx_desc(struct efx_nic *efx) +{ + struct efx_tx_queue *txq = &efx->txq; + int ptr = txq->write_ptr & EFX_TXD_MASK; + efx_dword_t reg; + + EFX_POPULATE_DWORD_1(reg, ERF_DZ_TX_DESC_WPTR_DWORD, ptr); + efx_writel_page(efx, ®, 0, ER_DZ_TX_DESC_UPD_DWORD); +} + +int +efx_hunt_transmit(struct net_device *netdev, struct io_buffer *iob) +{ + struct efx_nic *efx = netdev_priv(netdev); + struct efx_tx_queue *txq = &efx->txq; + int fill_level, space; + efx_tx_desc_t *txd; + int buf_id; + + fill_level = txq->write_ptr - txq->read_ptr; + space = EFX_TXD_SIZE - fill_level - 1; + if (space < 1) + return -ENOBUFS; + + /* Save the iobuffer for later completion */ + buf_id = txq->write_ptr & EFX_TXD_MASK; + assert(txq->buf[buf_id] == NULL); + txq->buf[buf_id] = iob; + + DBGCIO(efx, "tx_buf[%d] for iob %p data %p len %zd\n", + buf_id, iob, iob->data, iob_len(iob)); + + /* Form the descriptor, and push it to hardware */ + txd = txq->ring + buf_id; + efx_hunt_build_tx_desc(txd, iob); + ++txq->write_ptr; + efx_hunt_notify_tx_desc(efx); + + return 0; +} + +static void +efx_hunt_transmit_done(struct efx_nic *efx, int id) +{ + struct efx_tx_queue *txq = &efx->txq; + unsigned int read_ptr, stop; + + /* Complete all buffers from read_ptr up to and including id */ + read_ptr = txq->read_ptr & EFX_TXD_MASK; + stop = (id + 1) & EFX_TXD_MASK; + + while (read_ptr != stop) { + struct io_buffer *iob = txq->buf[read_ptr]; + + assert(iob); + /* Complete the tx buffer */ + if (iob) + netdev_tx_complete(efx->netdev, iob); + DBGCIO(efx, "tx_buf[%d] for iob %p done\n", read_ptr, iob); + txq->buf[read_ptr] = NULL; + + ++txq->read_ptr; + read_ptr = txq->read_ptr & EFX_TXD_MASK; + } +} + +int efx_hunt_tx_init(struct net_device *netdev, dma_addr_t *dma_addr) +{ + struct efx_nic *efx = netdev_priv(netdev); + struct efx_tx_queue *txq = &efx->txq; + size_t bytes; + + /* Allocate hardware transmit queue */ + bytes = sizeof(efx_tx_desc_t) * EFX_TXD_SIZE; + txq->ring = efx_hunt_alloc_special_buffer(bytes, &txq->entry); + if (!txq->ring) + return -ENOMEM; + + txq->read_ptr = txq->write_ptr = 0; + *dma_addr = txq->entry.dma_addr; + return 0; +} + +/******************************************************************************* + * + * + * RX + * + * + ******************************************************************************/ +static void +efx_hunt_build_rx_desc(efx_rx_desc_t *rxd, struct io_buffer *iob) +{ + dma_addr_t dma_addr = virt_to_bus(iob->data); + + EFX_POPULATE_QWORD_2(*rxd, + ESF_DZ_RX_KER_BYTE_CNT, EFX_RX_BUF_SIZE, + ESF_DZ_RX_KER_BUF_ADDR, dma_addr); +} + +static void +efx_hunt_notify_rx_desc(struct efx_nic *efx) +{ + struct efx_rx_queue *rxq = &efx->rxq; + int ptr = rxq->write_ptr & EFX_RXD_MASK; + efx_dword_t reg; + + EFX_POPULATE_DWORD_1(reg, ERF_DZ_RX_DESC_WPTR, ptr); + efx_writel_page(efx, ®, 0, ER_DZ_RX_DESC_UPD); +} + +static void +efx_hunt_rxq_fill(struct efx_nic *efx) +{ + struct efx_rx_queue *rxq = &efx->rxq; + int fill_level = rxq->write_ptr - rxq->read_ptr; + int space = EFX_NUM_RX_DESC - fill_level - 1; + int pushed = 0; + + while (space) { + int buf_id = rxq->write_ptr & (EFX_NUM_RX_DESC - 1); + int desc_id = rxq->write_ptr & EFX_RXD_MASK; + struct io_buffer *iob; + efx_rx_desc_t *rxd; + + assert(rxq->buf[buf_id] == NULL); + iob = alloc_iob(EFX_RX_BUF_SIZE); + if (!iob) + break; + + DBGCP(efx, "pushing rx_buf[%d] iob %p data %p\n", + buf_id, iob, iob->data); + + rxq->buf[buf_id] = iob; + rxd = rxq->ring + desc_id; + efx_hunt_build_rx_desc(rxd, iob); + ++rxq->write_ptr; + ++pushed; + --space; + } + + /* Push the ptr to hardware */ + if (pushed > 0) { + efx_hunt_notify_rx_desc(efx); + + DBGCP(efx, "pushed %d rx buffers to fill level %d\n", + pushed, rxq->write_ptr - rxq->read_ptr); + } +} + +static void +efx_hunt_receive(struct efx_nic *efx, unsigned int id, int len, int drop) +{ + struct efx_rx_queue *rxq = &efx->rxq; + unsigned int read_ptr = rxq->read_ptr & EFX_RXD_MASK; + unsigned int buf_ptr = rxq->read_ptr & EFX_NUM_RX_DESC_MASK; + struct io_buffer *iob; + + /* id is the lower 4 bits of the desc index + 1 in huntington*/ + /* hence anding with 15 */ + assert((id & 15) == ((read_ptr + (len != 0)) & 15)); + + /* Pop this rx buffer out of the software ring */ + iob = rxq->buf[buf_ptr]; + rxq->buf[buf_ptr] = NULL; + + DBGCIO(efx, "popping rx_buf[%d] iob %p data %p with %d bytes %s %x\n", + read_ptr, iob, iob->data, len, drop ? "bad" : "ok", drop); + + /* Pass the packet up if required */ + if (drop) + netdev_rx_err(efx->netdev, iob, EBADMSG); + else { + iob_put(iob, len); + iob_pull(iob, efx->rx_prefix_size); + netdev_rx(efx->netdev, iob); + } + + ++rxq->read_ptr; +} + +int efx_hunt_rx_init(struct net_device *netdev, dma_addr_t *dma_addr) +{ + struct efx_nic *efx = netdev_priv(netdev); + struct efx_rx_queue *rxq = &efx->rxq; + size_t bytes; + + /* Allocate hardware receive queue */ + bytes = sizeof(efx_rx_desc_t) * EFX_RXD_SIZE; + rxq->ring = efx_hunt_alloc_special_buffer(bytes, &rxq->entry); + if (rxq->ring == NULL) + return -ENOMEM; + + rxq->read_ptr = rxq->write_ptr = 0; + *dma_addr = rxq->entry.dma_addr; + return 0; +} + +/******************************************************************************* + * + * + * Event queues and interrupts + * + * + ******************************************************************************/ +int efx_hunt_ev_init(struct net_device *netdev, dma_addr_t *dma_addr) +{ + struct efx_nic *efx = netdev_priv(netdev); + struct efx_ev_queue *evq = &efx->evq; + size_t bytes; + + /* Allocate the hardware event queue */ + bytes = sizeof(efx_event_t) * EFX_EVQ_SIZE; + evq->ring = efx_hunt_alloc_special_buffer(bytes, &evq->entry); + if (evq->ring == NULL) + return -ENOMEM; + + memset(evq->ring, 0xff, bytes); + evq->read_ptr = 0; + *dma_addr = evq->entry.dma_addr; + return 0; +} + +static void +efx_hunt_clear_interrupts(struct efx_nic *efx) +{ + efx_dword_t reg; + /* read the ISR */ + efx_readl(efx, ®, ER_DZ_BIU_INT_ISR); +} + +/** + * See if an event is present + * + * @v event EFX event structure + * @ret True An event is pending + * @ret False No event is pending + * + * We check both the high and low dword of the event for all ones. We + * wrote all ones when we cleared the event, and no valid event can + * have all ones in either its high or low dwords. This approach is + * robust against reordering. + * + * Note that using a single 64-bit comparison is incorrect; even + * though the CPU read will be atomic, the DMA write may not be. + */ +static inline int +efx_hunt_event_present(efx_event_t *event) +{ + return (!(EFX_DWORD_IS_ALL_ONES(event->dword[0]) | + EFX_DWORD_IS_ALL_ONES(event->dword[1]))); +} + +static void +efx_hunt_evq_read_ack(struct efx_nic *efx) +{ + struct efx_ev_queue *evq = &efx->evq; + efx_dword_t reg; + + if (efx->workaround_35388) { + EFX_POPULATE_DWORD_2(reg, ERF_DD_EVQ_IND_RPTR_FLAGS, + EFE_DD_EVQ_IND_RPTR_FLAGS_HIGH, + ERF_DD_EVQ_IND_RPTR, + evq->read_ptr >> ERF_DD_EVQ_IND_RPTR_WIDTH); + efx_writel_page(efx, ®, 0, ER_DD_EVQ_INDIRECT); + EFX_POPULATE_DWORD_2(reg, ERF_DD_EVQ_IND_RPTR_FLAGS, + EFE_DD_EVQ_IND_RPTR_FLAGS_LOW, + ERF_DD_EVQ_IND_RPTR, evq->read_ptr & + ((1 << ERF_DD_EVQ_IND_RPTR_WIDTH) - 1)); + efx_writel_page(efx, ®, 0, ER_DD_EVQ_INDIRECT); + } else { + EFX_POPULATE_DWORD_1(reg, ERF_DZ_EVQ_RPTR, evq->read_ptr); + efx_writel_table(efx, ®, 0, ER_DZ_EVQ_RPTR); + } +} + +static unsigned int +efx_hunt_handle_event(struct efx_nic *efx, efx_event_t *evt) +{ + struct efx_rx_queue *rxq = &efx->rxq; + int ev_code, desc_ptr, len; + int next_ptr_lbits, packet_drop; + int rx_cont; + + /* Decode event */ + ev_code = EFX_QWORD_FIELD(*evt, ESF_DZ_EV_CODE); + + switch (ev_code) { + case ESE_DZ_EV_CODE_TX_EV: + desc_ptr = EFX_QWORD_FIELD(*evt, ESF_DZ_TX_DESCR_INDX); + efx_hunt_transmit_done(efx, desc_ptr); + break; + + case ESE_DZ_EV_CODE_RX_EV: + len = EFX_QWORD_FIELD(*evt, ESF_DZ_RX_BYTES); + next_ptr_lbits = EFX_QWORD_FIELD(*evt, ESF_DZ_RX_DSC_PTR_LBITS); + rx_cont = EFX_QWORD_FIELD(*evt, ESF_DZ_RX_CONT); + + /* We don't expect to receive scattered packets, so drop the + * packet if RX_CONT is set on the current or previous event, or + * if len is zero. + */ + packet_drop = (len == 0) | (rx_cont << 1) | + (rxq->rx_cont_prev << 2); + efx_hunt_receive(efx, next_ptr_lbits, len, packet_drop); + rxq->rx_cont_prev = rx_cont; + return 1; + + default: + DBGCP(efx, "Unknown event type %d\n", ev_code); + break; + } + return 0; +} + +void efx_hunt_poll(struct net_device *netdev) +{ + struct efx_nic *efx = netdev_priv(netdev); + struct efx_ev_queue *evq = &efx->evq; + efx_event_t *evt; + int budget = 10; + + /* Read the event queue by directly looking for events + * (we don't even bother to read the eventq write ptr) + */ + evt = evq->ring + evq->read_ptr; + while (efx_hunt_event_present(evt) && (budget > 0)) { + DBGCP(efx, "Event at index 0x%x address %p is " + EFX_QWORD_FMT "\n", evq->read_ptr, + evt, EFX_QWORD_VAL(*evt)); + + budget -= efx_hunt_handle_event(efx, evt); + + /* Clear the event */ + EFX_SET_QWORD(*evt); + + /* Move to the next event. We don't ack the event + * queue until the end + */ + evq->read_ptr = ((evq->read_ptr + 1) & EFX_EVQ_MASK); + evt = evq->ring + evq->read_ptr; + } + + /* Push more rx buffers if needed */ + efx_hunt_rxq_fill(efx); + + /* Clear any pending interrupts */ + efx_hunt_clear_interrupts(efx); + + /* Ack the event queue if interrupts are enabled */ + if (efx->int_en) + efx_hunt_evq_read_ack(efx); +} + +void efx_hunt_irq(struct net_device *netdev, int enable) +{ + struct efx_nic *efx = netdev_priv(netdev); + + efx->int_en = enable; + + /* If interrupts are enabled, prime the event queue. Otherwise ack any + * pending interrupts + */ + if (enable) + efx_hunt_evq_read_ack(efx); + else if (efx->netdev->state & NETDEV_OPEN) + efx_hunt_clear_interrupts(efx); +} + +/******************************************************************************* + * + * + * Initialization and Close + * + * + ******************************************************************************/ +int efx_hunt_open(struct net_device *netdev) +{ + struct efx_nic *efx = netdev_priv(netdev); + efx_dword_t cmd; + + /* Set interrupt moderation to 0*/ + EFX_POPULATE_DWORD_2(cmd, + ERF_DZ_TC_TIMER_MODE, 0, + ERF_DZ_TC_TIMER_VAL, 0); + efx_writel_page(efx, &cmd, 0, ER_DZ_EVQ_TMR); + + /* Ack the eventq */ + if (efx->int_en) + efx_hunt_evq_read_ack(efx); + + /* Push receive buffers */ + efx_hunt_rxq_fill(efx); + + return 0; +} + +void efx_hunt_close(struct net_device *netdev) +{ + struct efx_nic *efx = netdev_priv(netdev); + struct efx_rx_queue *rxq = &efx->rxq; + struct efx_tx_queue *txq = &efx->txq; + int i; + + /* Complete outstanding descriptors */ + for (i = 0; i < EFX_NUM_RX_DESC; i++) { + if (rxq->buf[i]) { + free_iob(rxq->buf[i]); + rxq->buf[i] = NULL; + } + } + + for (i = 0; i < EFX_TXD_SIZE; i++) { + if (txq->buf[i]) { + netdev_tx_complete(efx->netdev, txq->buf[i]); + txq->buf[i] = NULL; + } + } + + /* Clear interrupts */ + efx_hunt_clear_interrupts(efx); +} diff --git a/src/drivers/net/sfc/efx_hunt.h b/src/drivers/net/sfc/efx_hunt.h new file mode 100644 index 00000000..b8377bf2 --- /dev/null +++ b/src/drivers/net/sfc/efx_hunt.h @@ -0,0 +1,75 @@ +/************************************************************************** + * + * GPL net driver for Solarflare network cards + * + * Written by Shradha Shah <sshah@solarflare.com> + * + * Copyright 2012-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + * + ***************************************************************************/ + +#ifndef EFX_HUNT_H +#define EFX_HUNT_H + +#include "efx_common.h" + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +/************************************************************************** + * + * Hardware data structures and sizing + * + ***************************************************************************/ + +#define EFX_EV_SIZE(_nevs) ((_nevs) * sizeof(efx_qword_t)) +#define EFX_EVQ_NBUFS(_nevs) (EFX_EV_SIZE(_nevs) / EFX_BUF_ALIGN) + +#define EFX_RXQ_SIZE(_ndescs) ((_ndescs) * sizeof(efx_qword_t)) +#define EFX_RXQ_NBUFS(_ndescs) (EFX_RXQ_SIZE(_ndescs) / EFX_BUF_ALIGN) + +#define EFX_TXQ_SIZE(_ndescs) ((_ndescs) * sizeof(efx_qword_t)) +#define EFX_TXQ_NBUFS(_ndescs) (EFX_TXQ_SIZE(_ndescs) / EFX_BUF_ALIGN) + +/** MCDI request structure */ +struct efx_mcdi_req_s { + unsigned int emr_cmd; + efx_dword_t *emr_in_buf; + size_t emr_in_length; + int emr_rc; + efx_dword_t *emr_out_buf; + size_t emr_out_length; + size_t emr_out_length_used; +}; + +/******************************************************************************* + * + * + * Hardware API + * + * + ******************************************************************************/ + +extern void efx_hunt_free_special_buffer(void *buf, int bytes); + +/* Data path entry points */ +extern int efx_hunt_transmit(struct net_device *netdev, struct io_buffer *iob); +extern void efx_hunt_poll(struct net_device *netdev); +extern void efx_hunt_irq(struct net_device *netdev, int enable); + +/* Initialisation */ +extern int efx_hunt_ev_init(struct net_device *netdev, dma_addr_t *dma_addr); +extern int efx_hunt_rx_init(struct net_device *netdev, dma_addr_t *dma_addr); +extern int efx_hunt_tx_init(struct net_device *netdev, dma_addr_t *dma_addr); +extern int efx_hunt_open(struct net_device *netdev); +extern void efx_hunt_close(struct net_device *netdev); + +#endif /* EFX_HUNT_H */ diff --git a/src/drivers/net/sfc/mc_driver_pcol.h b/src/drivers/net/sfc/mc_driver_pcol.h new file mode 100644 index 00000000..e1174bd7 --- /dev/null +++ b/src/drivers/net/sfc/mc_driver_pcol.h @@ -0,0 +1,2281 @@ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2012-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + */ +#ifndef SFC_MCDI_PCOL_H +#define SFC_MCDI_PCOL_H + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +/** \file mc_driver_pcol.h + * This file is a subset of the MCDI headers generated from the yml files. + */ + +/* The current version of the MCDI protocol. + * + * Note that the ROM burnt into the card only talks V0, so at the very + * least every driver must support version 0 and MCDI_PCOL_VERSION + */ +#ifdef WITH_MCDI_V2 +#define MCDI_PCOL_VERSION 2 +#else +#define MCDI_PCOL_VERSION 1 +#endif + +/* Unused commands: 0x23, 0x27, 0x30, 0x31 */ + +/* MCDI version 1 + * + * Each MCDI request starts with an MCDI_HEADER, which is a 32bit + * structure, filled in by the client. + * + * 0 7 8 16 20 22 23 24 31 + * | CODE | R | LEN | SEQ | Rsvd | E | R | XFLAGS | + * | | | + * | | \--- Response + * | \------- Error + * \------------------------------ Resync (always set) + * + * The client writes it's request into MC shared memory, and rings the + * doorbell. Each request is completed by either by the MC writing + * back into shared memory, or by writing out an event. + * + * All MCDI commands support completion by shared memory response. Each + * request may also contain additional data (accounted for by HEADER.LEN), + * and some response's may also contain additional data (again, accounted + * for by HEADER.LEN). + * + * Some MCDI commands support completion by event, in which any associated + * response data is included in the event. + * + * The protocol requires one response to be delivered for every request, a + * request should not be sent unless the response for the previous request + * has been received (either by polling shared memory, or by receiving + * an event). + */ + +/** Request/Response structure */ +#define MCDI_HEADER_OFST 0 +#define MCDI_HEADER_CODE_LBN 0 +#define MCDI_HEADER_CODE_WIDTH 7 +#define MCDI_HEADER_RESYNC_LBN 7 +#define MCDI_HEADER_RESYNC_WIDTH 1 +#define MCDI_HEADER_DATALEN_LBN 8 +#define MCDI_HEADER_DATALEN_WIDTH 8 +#define MCDI_HEADER_SEQ_LBN 16 +#define MCDI_HEADER_SEQ_WIDTH 4 +#define MCDI_HEADER_RSVD_LBN 20 +#define MCDI_HEADER_RSVD_WIDTH 1 +#define MCDI_HEADER_NOT_EPOCH_LBN 21 +#define MCDI_HEADER_NOT_EPOCH_WIDTH 1 +#define MCDI_HEADER_ERROR_LBN 22 +#define MCDI_HEADER_ERROR_WIDTH 1 +#define MCDI_HEADER_RESPONSE_LBN 23 +#define MCDI_HEADER_RESPONSE_WIDTH 1 +#define MCDI_HEADER_XFLAGS_LBN 24 +#define MCDI_HEADER_XFLAGS_WIDTH 8 +/* Request response using event */ +#define MCDI_HEADER_XFLAGS_EVREQ 0x01 +/* Request (and signal) early doorbell return */ +#define MCDI_HEADER_XFLAGS_DBRET 0x02 + +/* Maximum number of payload bytes */ +#define MCDI_CTL_SDU_LEN_MAX_V1 0xfc +#define MCDI_CTL_SDU_LEN_MAX_V2 0x400 + +#ifdef WITH_MCDI_V2 +#define MCDI_CTL_SDU_LEN_MAX MCDI_CTL_SDU_LEN_MAX_V2 +#else +#define MCDI_CTL_SDU_LEN_MAX MCDI_CTL_SDU_LEN_MAX_V1 +#endif + + +/* The MC can generate events for two reasons: + * - To advance a shared memory request if XFLAGS_EVREQ was set + * - As a notification (link state, i2c event), controlled + * via MC_CMD_LOG_CTRL + * + * Both events share a common structure: + * + * 0 32 33 36 44 52 60 + * | Data | Cont | Level | Src | Code | Rsvd | + * | + * \ There is another event pending in this notification + * + * If Code==CMDDONE, then the fields are further interpreted as: + * + * - LEVEL==INFO Command succeeded + * - LEVEL==ERR Command failed + * + * 0 8 16 24 32 + * | Seq | Datalen | Errno | Rsvd | + * + * These fields are taken directly out of the standard MCDI header, i.e., + * LEVEL==ERR, Datalen == 0 => Reboot + * + * Events can be squirted out of the UART (using LOG_CTRL) without a + * MCDI header. An event can be distinguished from a MCDI response by + * examining the first byte which is 0xc0. This corresponds to the + * non-existent MCDI command MC_CMD_DEBUG_LOG. + * + * 0 7 8 + * | command | Resync | = 0xc0 + * + * Since the event is written in big-endian byte order, this works + * providing bits 56-63 of the event are 0xc0. + * + * 56 60 63 + * | Rsvd | Code | = 0xc0 + * + * Which means for convenience the event code is 0xc for all MC + * generated events. + */ +#define FSE_AZ_EV_CODE_MCDI_EVRESPONSE 0xc + + +/* Operation not permitted. */ +#define MC_CMD_ERR_EPERM 1 +/* Non-existent command target */ +#define MC_CMD_ERR_ENOENT 2 +/* assert() has killed the MC */ +#define MC_CMD_ERR_EINTR 4 +/* I/O failure */ +#define MC_CMD_ERR_EIO 5 +/* Already exists */ +#define MC_CMD_ERR_EEXIST 6 +/* Try again */ +#define MC_CMD_ERR_EAGAIN 11 +/* Out of memory */ +#define MC_CMD_ERR_ENOMEM 12 +/* Caller does not hold required locks */ +#define MC_CMD_ERR_EACCES 13 +/* Resource is currently unavailable (e.g. lock contention) */ +#define MC_CMD_ERR_EBUSY 16 +/* No such device */ +#define MC_CMD_ERR_ENODEV 19 +/* Invalid argument to target */ +#define MC_CMD_ERR_EINVAL 22 +/* Broken pipe */ +#define MC_CMD_ERR_EPIPE 32 +/* Read-only */ +#define MC_CMD_ERR_EROFS 30 +/* Out of range */ +#define MC_CMD_ERR_ERANGE 34 +/* Non-recursive resource is already acquired */ +#define MC_CMD_ERR_EDEADLK 35 +/* Operation not implemented */ +#define MC_CMD_ERR_ENOSYS 38 +/* Operation timed out */ +#define MC_CMD_ERR_ETIME 62 +/* Link has been severed */ +#define MC_CMD_ERR_ENOLINK 67 +/* Protocol error */ +#define MC_CMD_ERR_EPROTO 71 +/* Operation not supported */ +#define MC_CMD_ERR_ENOTSUP 95 +/* Address not available */ +#define MC_CMD_ERR_EADDRNOTAVAIL 99 +/* Not connected */ +#define MC_CMD_ERR_ENOTCONN 107 +/* Operation already in progress */ +#define MC_CMD_ERR_EALREADY 114 + +/* Resource allocation failed. */ +#define MC_CMD_ERR_ALLOC_FAIL 0x1000 +/* V-adaptor not found. */ +#define MC_CMD_ERR_NO_VADAPTOR 0x1001 +/* EVB port not found. */ +#define MC_CMD_ERR_NO_EVB_PORT 0x1002 +/* V-switch not found. */ +#define MC_CMD_ERR_NO_VSWITCH 0x1003 +/* Too many VLAN tags. */ +#define MC_CMD_ERR_VLAN_LIMIT 0x1004 +/* Bad PCI function number. */ +#define MC_CMD_ERR_BAD_PCI_FUNC 0x1005 +/* Invalid VLAN mode. */ +#define MC_CMD_ERR_BAD_VLAN_MODE 0x1006 +/* Invalid v-switch type. */ +#define MC_CMD_ERR_BAD_VSWITCH_TYPE 0x1007 +/* Invalid v-port type. */ +#define MC_CMD_ERR_BAD_VPORT_TYPE 0x1008 +/* MAC address exists. */ +#define MC_CMD_ERR_MAC_EXIST 0x1009 +/* Slave core not present */ +#define MC_CMD_ERR_SLAVE_NOT_PRESENT 0x100a +/* The datapath is disabled. */ +#define MC_CMD_ERR_DATAPATH_DISABLED 0x100b +/* The requesting client is not a function */ +#define MC_CMD_ERR_CLIENT_NOT_FN 0x100c +/* The requested operation might require the + * command to be passed between MCs, and the + * transport doesn't support that. Should + * only ever been seen over the UART. + */ +#define MC_CMD_ERR_TRANSPORT_NOPROXY 0x100d +/* VLAN tag(s) exists */ +#define MC_CMD_ERR_VLAN_EXIST 0x100e +/* No MAC address assigned to an EVB port */ +#define MC_CMD_ERR_NO_MAC_ADDR 0x100f +/* Notifies the driver that the request has been relayed + * to an admin function for authorization. The driver should + * wait for a PROXY_RESPONSE event and then resend its request. + * This error code is followed by a 32-bit handle that + * helps matching it with the respective PROXY_RESPONSE event. + */ +#define MC_CMD_ERR_PROXY_PENDING 0x1010 +#define MC_CMD_ERR_PROXY_PENDING_HANDLE_OFST 4 +/* The request cannot be passed for authorization because + * another request from the same function is currently being + * authorized. The drvier should try again later. + */ +#define MC_CMD_ERR_PROXY_INPROGRESS 0x1011 +/* Returned by MC_CMD_PROXY_COMPLETE if the caller is not the function + * that has enabled proxying or BLOCK_INDEX points to a function that + * doesn't await an authorization. + */ +#define MC_CMD_ERR_PROXY_UNEXPECTED 0x1012 +/* This code is currently only used internally in FW. Its meaning is that + * an operation failed due to lack of SR-IOV privilege. + * Normally it is translated to EPERM by send_cmd_err(), + * but it may also be used to trigger some special mechanism + * for handling such case, e.g. to relay the failed request + * to a designated admin function for authorization. + */ +#define MC_CMD_ERR_NO_PRIVILEGE 0x1013 +/* Workaround 26807 could not be turned on/off because some functions + * have already installed filters. See the comment at + * MC_CMD_WORKAROUND_BUG26807. + */ +#define MC_CMD_ERR_FILTERS_PRESENT 0x1014 +/* The clock whose frequency you've attempted to set set + * doesn't exist on this NIC + */ +#define MC_CMD_ERR_NO_CLOCK 0x1015 +/* Returned by MC_CMD_TESTASSERT if the action that should + * have caused an assertion failed to do so. + */ +#define MC_CMD_ERR_UNREACHABLE 0x1016 +/* This command needs to be processed in the background but there were no + * resources to do so. Send it again after a command has completed. + */ +#define MC_CMD_ERR_QUEUE_FULL 0x1017 + +#define MC_CMD_ERR_CODE_OFST 0 + + +#ifdef WITH_MCDI_V2 + +/* Version 2 adds an optional argument to error returns: the errno value + * may be followed by the (0-based) number of the first argument that + * could not be processed. + */ +#define MC_CMD_ERR_ARG_OFST 4 + +/* No space */ +#define MC_CMD_ERR_ENOSPC 28 + +#endif + +/* MCDI_EVENT structuredef */ +#define MCDI_EVENT_LEN 8 +#define MCDI_EVENT_CONT_LBN 32 +#define MCDI_EVENT_CONT_WIDTH 1 +#define MCDI_EVENT_LEVEL_LBN 33 +#define MCDI_EVENT_LEVEL_WIDTH 3 +/* enum: Info. */ +#define MCDI_EVENT_LEVEL_INFO 0x0 +/* enum: Warning. */ +#define MCDI_EVENT_LEVEL_WARN 0x1 +/* enum: Error. */ +#define MCDI_EVENT_LEVEL_ERR 0x2 +/* enum: Fatal. */ +#define MCDI_EVENT_LEVEL_FATAL 0x3 +#define MCDI_EVENT_DATA_OFST 0 +#define MCDI_EVENT_CMDDONE_SEQ_LBN 0 +#define MCDI_EVENT_CMDDONE_SEQ_WIDTH 8 +#define MCDI_EVENT_CMDDONE_DATALEN_LBN 8 +#define MCDI_EVENT_CMDDONE_DATALEN_WIDTH 8 +#define MCDI_EVENT_CMDDONE_ERRNO_LBN 16 +#define MCDI_EVENT_CMDDONE_ERRNO_WIDTH 8 +#define MCDI_EVENT_LINKCHANGE_LP_CAP_LBN 0 +#define MCDI_EVENT_LINKCHANGE_LP_CAP_WIDTH 16 +#define MCDI_EVENT_LINKCHANGE_SPEED_LBN 16 +#define MCDI_EVENT_LINKCHANGE_SPEED_WIDTH 4 +/* enum: 100Mbs */ +#define MCDI_EVENT_LINKCHANGE_SPEED_100M 0x1 +/* enum: 1Gbs */ +#define MCDI_EVENT_LINKCHANGE_SPEED_1G 0x2 +/* enum: 10Gbs */ +#define MCDI_EVENT_LINKCHANGE_SPEED_10G 0x3 +/* enum: 40Gbs */ +#define MCDI_EVENT_LINKCHANGE_SPEED_40G 0x4 +#define MCDI_EVENT_LINKCHANGE_FCNTL_LBN 20 +#define MCDI_EVENT_LINKCHANGE_FCNTL_WIDTH 4 +#define MCDI_EVENT_LINKCHANGE_LINK_FLAGS_LBN 24 +#define MCDI_EVENT_LINKCHANGE_LINK_FLAGS_WIDTH 8 +#define MCDI_EVENT_SENSOREVT_MONITOR_LBN 0 +#define MCDI_EVENT_SENSOREVT_MONITOR_WIDTH 8 +#define MCDI_EVENT_SENSOREVT_STATE_LBN 8 +#define MCDI_EVENT_SENSOREVT_STATE_WIDTH 8 +#define MCDI_EVENT_SENSOREVT_VALUE_LBN 16 +#define MCDI_EVENT_SENSOREVT_VALUE_WIDTH 16 +#define MCDI_EVENT_FWALERT_DATA_LBN 8 +#define MCDI_EVENT_FWALERT_DATA_WIDTH 24 +#define MCDI_EVENT_FWALERT_REASON_LBN 0 +#define MCDI_EVENT_FWALERT_REASON_WIDTH 8 +/* enum: SRAM Access. */ +#define MCDI_EVENT_FWALERT_REASON_SRAM_ACCESS 0x1 +#define MCDI_EVENT_FLR_VF_LBN 0 +#define MCDI_EVENT_FLR_VF_WIDTH 8 +#define MCDI_EVENT_TX_ERR_TXQ_LBN 0 +#define MCDI_EVENT_TX_ERR_TXQ_WIDTH 12 +#define MCDI_EVENT_TX_ERR_TYPE_LBN 12 +#define MCDI_EVENT_TX_ERR_TYPE_WIDTH 4 +/* enum: Descriptor loader reported failure */ +#define MCDI_EVENT_TX_ERR_DL_FAIL 0x1 +/* enum: Descriptor ring empty and no EOP seen for packet */ +#define MCDI_EVENT_TX_ERR_NO_EOP 0x2 +/* enum: Overlength packet */ +#define MCDI_EVENT_TX_ERR_2BIG 0x3 +/* enum: Malformed option descriptor */ +#define MCDI_EVENT_TX_BAD_OPTDESC 0x5 +/* enum: Option descriptor part way through a packet */ +#define MCDI_EVENT_TX_OPT_IN_PKT 0x8 +/* enum: DMA or PIO data access error */ +#define MCDI_EVENT_TX_ERR_BAD_DMA_OR_PIO 0x9 +#define MCDI_EVENT_TX_ERR_INFO_LBN 16 +#define MCDI_EVENT_TX_ERR_INFO_WIDTH 16 +#define MCDI_EVENT_TX_FLUSH_TO_DRIVER_LBN 12 +#define MCDI_EVENT_TX_FLUSH_TO_DRIVER_WIDTH 1 +#define MCDI_EVENT_TX_FLUSH_TXQ_LBN 0 +#define MCDI_EVENT_TX_FLUSH_TXQ_WIDTH 12 +#define MCDI_EVENT_PTP_ERR_TYPE_LBN 0 +#define MCDI_EVENT_PTP_ERR_TYPE_WIDTH 8 +/* enum: PLL lost lock */ +#define MCDI_EVENT_PTP_ERR_PLL_LOST 0x1 +/* enum: Filter overflow (PDMA) */ +#define MCDI_EVENT_PTP_ERR_FILTER 0x2 +/* enum: FIFO overflow (FPGA) */ +#define MCDI_EVENT_PTP_ERR_FIFO 0x3 +/* enum: Merge queue overflow */ +#define MCDI_EVENT_PTP_ERR_QUEUE 0x4 +#define MCDI_EVENT_AOE_ERR_TYPE_LBN 0 +#define MCDI_EVENT_AOE_ERR_TYPE_WIDTH 8 +/* enum: AOE failed to load - no valid image? */ +#define MCDI_EVENT_AOE_NO_LOAD 0x1 +/* enum: AOE FC reported an exception */ +#define MCDI_EVENT_AOE_FC_ASSERT 0x2 +/* enum: AOE FC watchdogged */ +#define MCDI_EVENT_AOE_FC_WATCHDOG 0x3 +/* enum: AOE FC failed to start */ +#define MCDI_EVENT_AOE_FC_NO_START 0x4 +/* enum: Generic AOE fault - likely to have been reported via other means too + * but intended for use by aoex driver. + */ +#define MCDI_EVENT_AOE_FAULT 0x5 +/* enum: Results of reprogramming the CPLD (status in AOE_ERR_DATA) */ +#define MCDI_EVENT_AOE_CPLD_REPROGRAMMED 0x6 +/* enum: AOE loaded successfully */ +#define MCDI_EVENT_AOE_LOAD 0x7 +/* enum: AOE DMA operation completed (LSB of HOST_HANDLE in AOE_ERR_DATA) */ +#define MCDI_EVENT_AOE_DMA 0x8 +/* enum: AOE byteblaster connected/disconnected (Connection status in + * AOE_ERR_DATA) + */ +#define MCDI_EVENT_AOE_BYTEBLASTER 0x9 +/* enum: DDR ECC status update */ +#define MCDI_EVENT_AOE_DDR_ECC_STATUS 0xa +/* enum: PTP status update */ +#define MCDI_EVENT_AOE_PTP_STATUS 0xb +/* enum: FPGA header incorrect */ +#define MCDI_EVENT_AOE_FPGA_LOAD_HEADER_ERR 0xc +/* enum: FPGA Powered Off due to error in powering up FPGA */ +#define MCDI_EVENT_AOE_FPGA_POWER_OFF 0xd +/* enum: AOE FPGA load failed due to MC to MUM communication failure */ +#define MCDI_EVENT_AOE_FPGA_LOAD_FAILED 0xe +/* enum: Notify that invalid flash type detected */ +#define MCDI_EVENT_AOE_INVALID_FPGA_FLASH_TYPE 0xf +/* enum: Notify that the attempt to run FPGA Controller firmware timedout */ +#define MCDI_EVENT_AOE_FC_RUN_TIMEDOUT 0x10 +/* enum: Failure to probe one or more FPGA boot flash chips */ +#define MCDI_EVENT_AOE_FPGA_BOOT_FLASH_INVALID 0x11 +/* enum: FPGA boot-flash contains an invalid image header */ +#define MCDI_EVENT_AOE_FPGA_BOOT_FLASH_HDR_INVALID 0x12 +/* enum: Failed to program clocks required by the FPGA */ +#define MCDI_EVENT_AOE_FPGA_CLOCKS_PROGRAM_FAILED 0x13 +/* enum: Notify that FPGA Controller is alive to serve MCDI requests */ +#define MCDI_EVENT_AOE_FC_RUNNING 0x14 +#define MCDI_EVENT_AOE_ERR_DATA_LBN 8 +#define MCDI_EVENT_AOE_ERR_DATA_WIDTH 8 +#define MCDI_EVENT_AOE_ERR_FC_ASSERT_INFO_LBN 8 +#define MCDI_EVENT_AOE_ERR_FC_ASSERT_INFO_WIDTH 8 +/* enum: FC Assert happened, but the register information is not available */ +#define MCDI_EVENT_AOE_ERR_FC_ASSERT_SEEN 0x0 +/* enum: The register information for FC Assert is ready for readinng by driver + */ +#define MCDI_EVENT_AOE_ERR_FC_ASSERT_DATA_READY 0x1 +#define MCDI_EVENT_AOE_ERR_CODE_FPGA_HEADER_VERIFY_FAILED_LBN 8 +#define MCDI_EVENT_AOE_ERR_CODE_FPGA_HEADER_VERIFY_FAILED_WIDTH 8 +/* enum: Reading from NV failed */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_NV_READ_FAIL 0x0 +/* enum: Invalid Magic Number if FPGA header */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_MAGIC_FAIL 0x1 +/* enum: Invalid Silicon type detected in header */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_SILICON_TYPE 0x2 +/* enum: Unsupported VRatio */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_VRATIO 0x3 +/* enum: Unsupported DDR Type */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_DDR_TYPE 0x4 +/* enum: DDR Voltage out of supported range */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_DDR_VOLTAGE 0x5 +/* enum: Unsupported DDR speed */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_DDR_SPEED 0x6 +/* enum: Unsupported DDR size */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_DDR_SIZE 0x7 +/* enum: Unsupported DDR rank */ +#define MCDI_EVENT_AOE_ERR_FPGA_HEADER_DDR_RANK 0x8 +#define MCDI_EVENT_AOE_ERR_CODE_INVALID_FPGA_FLASH_TYPE_INFO_LBN 8 +#define MCDI_EVENT_AOE_ERR_CODE_INVALID_FPGA_FLASH_TYPE_INFO_WIDTH 8 +/* enum: Primary boot flash */ +#define MCDI_EVENT_AOE_FLASH_TYPE_BOOT_PRIMARY 0x0 +/* enum: Secondary boot flash */ +#define MCDI_EVENT_AOE_FLASH_TYPE_BOOT_SECONDARY 0x1 +#define MCDI_EVENT_AOE_ERR_CODE_FPGA_POWER_OFF_LBN 8 +#define MCDI_EVENT_AOE_ERR_CODE_FPGA_POWER_OFF_WIDTH 8 +#define MCDI_EVENT_AOE_ERR_CODE_FPGA_LOAD_FAILED_LBN 8 +#define MCDI_EVENT_AOE_ERR_CODE_FPGA_LOAD_FAILED_WIDTH 8 +#define MCDI_EVENT_RX_ERR_RXQ_LBN 0 +#define MCDI_EVENT_RX_ERR_RXQ_WIDTH 12 +#define MCDI_EVENT_RX_ERR_TYPE_LBN 12 +#define MCDI_EVENT_RX_ERR_TYPE_WIDTH 4 +#define MCDI_EVENT_RX_ERR_INFO_LBN 16 +#define MCDI_EVENT_RX_ERR_INFO_WIDTH 16 +#define MCDI_EVENT_RX_FLUSH_TO_DRIVER_LBN 12 +#define MCDI_EVENT_RX_FLUSH_TO_DRIVER_WIDTH 1 +#define MCDI_EVENT_RX_FLUSH_RXQ_LBN 0 +#define MCDI_EVENT_RX_FLUSH_RXQ_WIDTH 12 +#define MCDI_EVENT_MC_REBOOT_COUNT_LBN 0 +#define MCDI_EVENT_MC_REBOOT_COUNT_WIDTH 16 +#define MCDI_EVENT_MUM_ERR_TYPE_LBN 0 +#define MCDI_EVENT_MUM_ERR_TYPE_WIDTH 8 +/* enum: MUM failed to load - no valid image? */ +#define MCDI_EVENT_MUM_NO_LOAD 0x1 +/* enum: MUM f/w reported an exception */ +#define MCDI_EVENT_MUM_ASSERT 0x2 +/* enum: MUM not kicking watchdog */ +#define MCDI_EVENT_MUM_WATCHDOG 0x3 +#define MCDI_EVENT_MUM_ERR_DATA_LBN 8 +#define MCDI_EVENT_MUM_ERR_DATA_WIDTH 8 +#define MCDI_EVENT_DATA_LBN 0 +#define MCDI_EVENT_DATA_WIDTH 32 +#define MCDI_EVENT_SRC_LBN 36 +#define MCDI_EVENT_SRC_WIDTH 8 +#define MCDI_EVENT_EV_CODE_LBN 60 +#define MCDI_EVENT_EV_CODE_WIDTH 4 +#define MCDI_EVENT_CODE_LBN 44 +#define MCDI_EVENT_CODE_WIDTH 8 +/* enum: Event generated by host software */ +#define MCDI_EVENT_SW_EVENT 0x0 +/* enum: Bad assert. */ +#define MCDI_EVENT_CODE_BADSSERT 0x1 +/* enum: PM Notice. */ +#define MCDI_EVENT_CODE_PMNOTICE 0x2 +/* enum: Command done. */ +#define MCDI_EVENT_CODE_CMDDONE 0x3 +/* enum: Link change. */ +#define MCDI_EVENT_CODE_LINKCHANGE 0x4 +/* enum: Sensor Event. */ +#define MCDI_EVENT_CODE_SENSOREVT 0x5 +/* enum: Schedule error. */ +#define MCDI_EVENT_CODE_SCHEDERR 0x6 +/* enum: Reboot. */ +#define MCDI_EVENT_CODE_REBOOT 0x7 +/* enum: Mac stats DMA. */ +#define MCDI_EVENT_CODE_MAC_STATS_DMA 0x8 +/* enum: Firmware alert. */ +#define MCDI_EVENT_CODE_FWALERT 0x9 +/* enum: Function level reset. */ +#define MCDI_EVENT_CODE_FLR 0xa +/* enum: Transmit error */ +#define MCDI_EVENT_CODE_TX_ERR 0xb +/* enum: Tx flush has completed */ +#define MCDI_EVENT_CODE_TX_FLUSH 0xc +/* enum: PTP packet received timestamp */ +#define MCDI_EVENT_CODE_PTP_RX 0xd +/* enum: PTP NIC failure */ +#define MCDI_EVENT_CODE_PTP_FAULT 0xe +/* enum: PTP PPS event */ +#define MCDI_EVENT_CODE_PTP_PPS 0xf +/* enum: Rx flush has completed */ +#define MCDI_EVENT_CODE_RX_FLUSH 0x10 +/* enum: Receive error */ +#define MCDI_EVENT_CODE_RX_ERR 0x11 +/* enum: AOE fault */ +#define MCDI_EVENT_CODE_AOE 0x12 +/* enum: Network port calibration failed (VCAL). */ +#define MCDI_EVENT_CODE_VCAL_FAIL 0x13 +/* enum: HW PPS event */ +#define MCDI_EVENT_CODE_HW_PPS 0x14 +/* enum: The MC has rebooted (huntington and later, siena uses CODE_REBOOT and + * a different format) + */ +#define MCDI_EVENT_CODE_MC_REBOOT 0x15 +/* enum: the MC has detected a parity error */ +#define MCDI_EVENT_CODE_PAR_ERR 0x16 +/* enum: the MC has detected a correctable error */ +#define MCDI_EVENT_CODE_ECC_CORR_ERR 0x17 +/* enum: the MC has detected an uncorrectable error */ +#define MCDI_EVENT_CODE_ECC_FATAL_ERR 0x18 +/* enum: The MC has entered offline BIST mode */ +#define MCDI_EVENT_CODE_MC_BIST 0x19 +/* enum: PTP tick event providing current NIC time */ +#define MCDI_EVENT_CODE_PTP_TIME 0x1a +/* enum: MUM fault */ +#define MCDI_EVENT_CODE_MUM 0x1b +/* enum: notify the designated PF of a new authorization request */ +#define MCDI_EVENT_CODE_PROXY_REQUEST 0x1c +/* enum: notify a function that awaits an authorization that its request has + * been processed and it may now resend the command + */ +#define MCDI_EVENT_CODE_PROXY_RESPONSE 0x1d +/* enum: Artificial event generated by host and posted via MC for test + * purposes. + */ +#define MCDI_EVENT_CODE_TESTGEN 0xfa +#define MCDI_EVENT_CMDDONE_DATA_OFST 0 +#define MCDI_EVENT_CMDDONE_DATA_LBN 0 +#define MCDI_EVENT_CMDDONE_DATA_WIDTH 32 +#define MCDI_EVENT_LINKCHANGE_DATA_OFST 0 +#define MCDI_EVENT_LINKCHANGE_DATA_LBN 0 +#define MCDI_EVENT_LINKCHANGE_DATA_WIDTH 32 +#define MCDI_EVENT_SENSOREVT_DATA_OFST 0 +#define MCDI_EVENT_SENSOREVT_DATA_LBN 0 +#define MCDI_EVENT_SENSOREVT_DATA_WIDTH 32 +#define MCDI_EVENT_MAC_STATS_DMA_GENERATION_OFST 0 +#define MCDI_EVENT_MAC_STATS_DMA_GENERATION_LBN 0 +#define MCDI_EVENT_MAC_STATS_DMA_GENERATION_WIDTH 32 +#define MCDI_EVENT_TX_ERR_DATA_OFST 0 +#define MCDI_EVENT_TX_ERR_DATA_LBN 0 +#define MCDI_EVENT_TX_ERR_DATA_WIDTH 32 +/* For CODE_PTP_RX, CODE_PTP_PPS and CODE_HW_PPS events the seconds field of + * timestamp + */ +#define MCDI_EVENT_PTP_SECONDS_OFST 0 +#define MCDI_EVENT_PTP_SECONDS_LBN 0 +#define MCDI_EVENT_PTP_SECONDS_WIDTH 32 +/* For CODE_PTP_RX, CODE_PTP_PPS and CODE_HW_PPS events the major field of + * timestamp + */ +#define MCDI_EVENT_PTP_MAJOR_OFST 0 +#define MCDI_EVENT_PTP_MAJOR_LBN 0 +#define MCDI_EVENT_PTP_MAJOR_WIDTH 32 +/* For CODE_PTP_RX, CODE_PTP_PPS and CODE_HW_PPS events the nanoseconds field + * of timestamp + */ +#define MCDI_EVENT_PTP_NANOSECONDS_OFST 0 +#define MCDI_EVENT_PTP_NANOSECONDS_LBN 0 +#define MCDI_EVENT_PTP_NANOSECONDS_WIDTH 32 +/* For CODE_PTP_RX, CODE_PTP_PPS and CODE_HW_PPS events the minor field of + * timestamp + */ +#define MCDI_EVENT_PTP_MINOR_OFST 0 +#define MCDI_EVENT_PTP_MINOR_LBN 0 +#define MCDI_EVENT_PTP_MINOR_WIDTH 32 +/* For CODE_PTP_RX events, the lowest four bytes of sourceUUID from PTP packet + */ +#define MCDI_EVENT_PTP_UUID_OFST 0 +#define MCDI_EVENT_PTP_UUID_LBN 0 +#define MCDI_EVENT_PTP_UUID_WIDTH 32 +#define MCDI_EVENT_RX_ERR_DATA_OFST 0 +#define MCDI_EVENT_RX_ERR_DATA_LBN 0 +#define MCDI_EVENT_RX_ERR_DATA_WIDTH 32 +#define MCDI_EVENT_PAR_ERR_DATA_OFST 0 +#define MCDI_EVENT_PAR_ERR_DATA_LBN 0 +#define MCDI_EVENT_PAR_ERR_DATA_WIDTH 32 +#define MCDI_EVENT_ECC_CORR_ERR_DATA_OFST 0 +#define MCDI_EVENT_ECC_CORR_ERR_DATA_LBN 0 +#define MCDI_EVENT_ECC_CORR_ERR_DATA_WIDTH 32 +#define MCDI_EVENT_ECC_FATAL_ERR_DATA_OFST 0 +#define MCDI_EVENT_ECC_FATAL_ERR_DATA_LBN 0 +#define MCDI_EVENT_ECC_FATAL_ERR_DATA_WIDTH 32 +/* For CODE_PTP_TIME events, the major value of the PTP clock */ +#define MCDI_EVENT_PTP_TIME_MAJOR_OFST 0 +#define MCDI_EVENT_PTP_TIME_MAJOR_LBN 0 +#define MCDI_EVENT_PTP_TIME_MAJOR_WIDTH 32 +/* For CODE_PTP_TIME events, bits 19-26 of the minor value of the PTP clock */ +#define MCDI_EVENT_PTP_TIME_MINOR_26_19_LBN 36 +#define MCDI_EVENT_PTP_TIME_MINOR_26_19_WIDTH 8 +/* For CODE_PTP_TIME events where report sync status is enabled, indicates + * whether the NIC clock has ever been set + */ +#define MCDI_EVENT_PTP_TIME_NIC_CLOCK_VALID_LBN 36 +#define MCDI_EVENT_PTP_TIME_NIC_CLOCK_VALID_WIDTH 1 +/* For CODE_PTP_TIME events where report sync status is enabled, indicates + * whether the NIC and System clocks are in sync + */ +#define MCDI_EVENT_PTP_TIME_HOST_NIC_IN_SYNC_LBN 37 +#define MCDI_EVENT_PTP_TIME_HOST_NIC_IN_SYNC_WIDTH 1 +/* For CODE_PTP_TIME events where report sync status is enabled, bits 21-26 of + * the minor value of the PTP clock + */ +#define MCDI_EVENT_PTP_TIME_MINOR_26_21_LBN 38 +#define MCDI_EVENT_PTP_TIME_MINOR_26_21_WIDTH 6 +#define MCDI_EVENT_PROXY_REQUEST_BUFF_INDEX_OFST 0 +#define MCDI_EVENT_PROXY_REQUEST_BUFF_INDEX_LBN 0 +#define MCDI_EVENT_PROXY_REQUEST_BUFF_INDEX_WIDTH 32 +#define MCDI_EVENT_PROXY_RESPONSE_HANDLE_OFST 0 +#define MCDI_EVENT_PROXY_RESPONSE_HANDLE_LBN 0 +#define MCDI_EVENT_PROXY_RESPONSE_HANDLE_WIDTH 32 +/* Zero means that the request has been completed or authorized, and the driver + * should resend it. A non-zero value means that the authorization has been + * denied, and gives the reason. Typically it will be EPERM. + */ +#define MCDI_EVENT_PROXY_RESPONSE_RC_LBN 36 +#define MCDI_EVENT_PROXY_RESPONSE_RC_WIDTH 8 + +/* EVB_PORT_ID structuredef */ +#define EVB_PORT_ID_LEN 4 +#define EVB_PORT_ID_PORT_ID_OFST 0 +/* enum: An invalid port handle. */ +#define EVB_PORT_ID_NULL 0x0 +/* enum: The port assigned to this function.. */ +#define EVB_PORT_ID_ASSIGNED 0x1000000 +/* enum: External network port 0 */ +#define EVB_PORT_ID_MAC0 0x2000000 +/* enum: External network port 1 */ +#define EVB_PORT_ID_MAC1 0x2000001 +/* enum: External network port 2 */ +#define EVB_PORT_ID_MAC2 0x2000002 +/* enum: External network port 3 */ +#define EVB_PORT_ID_MAC3 0x2000003 +#define EVB_PORT_ID_PORT_ID_LBN 0 +#define EVB_PORT_ID_PORT_ID_WIDTH 32 + + +/***********************************/ +/* MC_CMD_DRV_ATTACH + * Inform MCPU that this port is managed on the host (i.e. driver active). For + * Huntington, also request the preferred datapath firmware to use if possible + * (it may not be possible for this request to be fulfilled; the driver must + * issue a subsequent MC_CMD_GET_CAPABILITIES command to determine which + * features are actually available). The FIRMWARE_ID field is ignored by older + * platforms. + */ +#define MC_CMD_DRV_ATTACH 0x1c +#undef MC_CMD_0x1c_PRIVILEGE_CTG + +#define MC_CMD_0x1c_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_DRV_ATTACH_IN msgrequest */ +#define MC_CMD_DRV_ATTACH_IN_LEN 12 +/* new state to set if UPDATE=1 */ +#define MC_CMD_DRV_ATTACH_IN_NEW_STATE_OFST 0 +#define MC_CMD_DRV_ATTACH_LBN 0 +#define MC_CMD_DRV_ATTACH_WIDTH 1 +#define MC_CMD_DRV_PREBOOT_LBN 1 +#define MC_CMD_DRV_PREBOOT_WIDTH 1 +/* 1 to set new state, or 0 to just report the existing state */ +#define MC_CMD_DRV_ATTACH_IN_UPDATE_OFST 4 +/* preferred datapath firmware (for Huntington; ignored for Siena) */ +#define MC_CMD_DRV_ATTACH_IN_FIRMWARE_ID_OFST 8 +/* enum: Prefer to use full featured firmware */ +#define MC_CMD_FW_FULL_FEATURED 0x0 +/* enum: Prefer to use firmware with fewer features but lower latency */ +#define MC_CMD_FW_LOW_LATENCY 0x1 +/* enum: Prefer to use firmware for SolarCapture packed stream mode */ +#define MC_CMD_FW_PACKED_STREAM 0x2 +/* enum: Prefer to use firmware with fewer features and simpler TX event + * batching but higher TX packet rate + */ +#define MC_CMD_FW_HIGH_TX_RATE 0x3 +/* enum: Reserved value */ +#define MC_CMD_FW_PACKED_STREAM_HASH_MODE_1 0x4 +/* enum: Prefer to use firmware with additional "rules engine" filtering + * support + */ +#define MC_CMD_FW_RULES_ENGINE 0x5 +/* enum: Only this option is allowed for non-admin functions */ +#define MC_CMD_FW_DONT_CARE 0xffffffff + +/* MC_CMD_DRV_ATTACH_OUT msgresponse */ +#define MC_CMD_DRV_ATTACH_OUT_LEN 4 +/* previous or existing state, see the bitmask at NEW_STATE */ +#define MC_CMD_DRV_ATTACH_OUT_OLD_STATE_OFST 0 + +/* MC_CMD_DRV_ATTACH_EXT_OUT msgresponse */ +#define MC_CMD_DRV_ATTACH_EXT_OUT_LEN 8 +/* previous or existing state, see the bitmask at NEW_STATE */ +#define MC_CMD_DRV_ATTACH_EXT_OUT_OLD_STATE_OFST 0 +/* Flags associated with this function */ +#define MC_CMD_DRV_ATTACH_EXT_OUT_FUNC_FLAGS_OFST 4 +/* enum: Labels the lowest-numbered function visible to the OS */ +#define MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY 0x0 +/* enum: The function can control the link state of the physical port it is + * bound to. + */ +#define MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL 0x1 +/* enum: The function can perform privileged operations */ +#define MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED 0x2 +/* enum: The function does not have an active port associated with it. The port + * refers to the Sorrento external FPGA port. + */ +#define MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_NO_ACTIVE_PORT 0x3 + + +/***********************************/ +/* MC_CMD_ENTITY_RESET + * Generic per-resource reset. There is no equivalent for per-board reset. + * Locks required: None; Return code: 0, ETIME. NOTE: This command is an + * extended version of the deprecated MC_CMD_PORT_RESET with added fields. + */ +#define MC_CMD_ENTITY_RESET 0x20 +/* MC_CMD_0x20_PRIVILEGE_CTG SRIOV_CTG_GENERAL */ + +/* MC_CMD_ENTITY_RESET_IN msgrequest */ +#define MC_CMD_ENTITY_RESET_IN_LEN 4 +/* Optional flags field. Omitting this will perform a "legacy" reset action + * (TBD). + */ +#define MC_CMD_ENTITY_RESET_IN_FLAG_OFST 0 +#define MC_CMD_ENTITY_RESET_IN_FUNCTION_RESOURCE_RESET_LBN 0 +#define MC_CMD_ENTITY_RESET_IN_FUNCTION_RESOURCE_RESET_WIDTH 1 + +/* MC_CMD_ENTITY_RESET_OUT msgresponse */ +#define MC_CMD_ENTITY_RESET_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_GET_PHY_CFG + * Report PHY configuration. This guarantees to succeed even if the PHY is in a + * 'zombie' state. Locks required: None + */ +#define MC_CMD_GET_PHY_CFG 0x24 +#undef MC_CMD_0x24_PRIVILEGE_CTG + +#define MC_CMD_0x24_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_GET_PHY_CFG_IN msgrequest */ +#define MC_CMD_GET_PHY_CFG_IN_LEN 0 + +/* MC_CMD_GET_PHY_CFG_OUT msgresponse */ +#define MC_CMD_GET_PHY_CFG_OUT_LEN 72 +/* flags */ +#define MC_CMD_GET_PHY_CFG_OUT_FLAGS_OFST 0 +#define MC_CMD_GET_PHY_CFG_OUT_PRESENT_LBN 0 +#define MC_CMD_GET_PHY_CFG_OUT_PRESENT_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_LBN 1 +#define MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN 2 +#define MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_OUT_LOWPOWER_LBN 3 +#define MC_CMD_GET_PHY_CFG_OUT_LOWPOWER_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_OUT_POWEROFF_LBN 4 +#define MC_CMD_GET_PHY_CFG_OUT_POWEROFF_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_OUT_TXDIS_LBN 5 +#define MC_CMD_GET_PHY_CFG_OUT_TXDIS_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_OUT_BIST_LBN 6 +#define MC_CMD_GET_PHY_CFG_OUT_BIST_WIDTH 1 +/* ?? */ +#define MC_CMD_GET_PHY_CFG_OUT_TYPE_OFST 4 +/* Bitmask of supported capabilities */ +#define MC_CMD_GET_PHY_CFG_OUT_SUPPORTED_CAP_OFST 8 +#define MC_CMD_PHY_CAP_10HDX_LBN 1 +#define MC_CMD_PHY_CAP_10HDX_WIDTH 1 +#define MC_CMD_PHY_CAP_10FDX_LBN 2 +#define MC_CMD_PHY_CAP_10FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_100HDX_LBN 3 +#define MC_CMD_PHY_CAP_100HDX_WIDTH 1 +#define MC_CMD_PHY_CAP_100FDX_LBN 4 +#define MC_CMD_PHY_CAP_100FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_1000HDX_LBN 5 +#define MC_CMD_PHY_CAP_1000HDX_WIDTH 1 +#define MC_CMD_PHY_CAP_1000FDX_LBN 6 +#define MC_CMD_PHY_CAP_1000FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_10000FDX_LBN 7 +#define MC_CMD_PHY_CAP_10000FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_PAUSE_LBN 8 +#define MC_CMD_PHY_CAP_PAUSE_WIDTH 1 +#define MC_CMD_PHY_CAP_ASYM_LBN 9 +#define MC_CMD_PHY_CAP_ASYM_WIDTH 1 +#define MC_CMD_PHY_CAP_AN_LBN 10 +#define MC_CMD_PHY_CAP_AN_WIDTH 1 +#define MC_CMD_PHY_CAP_40000FDX_LBN 11 +#define MC_CMD_PHY_CAP_40000FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_DDM_LBN 12 +#define MC_CMD_PHY_CAP_DDM_WIDTH 1 +#define MC_CMD_PHY_CAP_100000FDX_LBN 13 +#define MC_CMD_PHY_CAP_100000FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_25000FDX_LBN 14 +#define MC_CMD_PHY_CAP_25000FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_50000FDX_LBN 15 +#define MC_CMD_PHY_CAP_50000FDX_WIDTH 1 +#define MC_CMD_PHY_CAP_BASER_FEC_LBN 16 +#define MC_CMD_PHY_CAP_BASER_FEC_WIDTH 1 +#define MC_CMD_PHY_CAP_BASER_FEC_REQ_LBN 17 +#define MC_CMD_PHY_CAP_BASER_FEC_REQ_WIDTH 1 +#define MC_CMD_PHY_CAP_RS_FEC_LBN 17 +#define MC_CMD_PHY_CAP_RS_FEC_WIDTH 1 +#define MC_CMD_PHY_CAP_RS_FEC_REQ_LBN 18 +#define MC_CMD_PHY_CAP_RS_FEC_REQ_WIDTH 1 +/* ?? */ +#define MC_CMD_GET_PHY_CFG_OUT_CHANNEL_OFST 12 +/* ?? */ +#define MC_CMD_GET_PHY_CFG_OUT_PRT_OFST 16 +/* ?? */ +#define MC_CMD_GET_PHY_CFG_OUT_STATS_MASK_OFST 20 +/* ?? */ +#define MC_CMD_GET_PHY_CFG_OUT_NAME_OFST 24 +#define MC_CMD_GET_PHY_CFG_OUT_NAME_LEN 20 +/* ?? */ +#define MC_CMD_GET_PHY_CFG_OUT_MEDIA_TYPE_OFST 44 +/* enum: Xaui. */ +#define MC_CMD_MEDIA_XAUI 0x1 +/* enum: CX4. */ +#define MC_CMD_MEDIA_CX4 0x2 +/* enum: KX4. */ +#define MC_CMD_MEDIA_KX4 0x3 +/* enum: XFP Far. */ +#define MC_CMD_MEDIA_XFP 0x4 +/* enum: SFP+. */ +#define MC_CMD_MEDIA_SFP_PLUS 0x5 +/* enum: 10GBaseT. */ +#define MC_CMD_MEDIA_BASE_T 0x6 +/* enum: QSFP+. */ +#define MC_CMD_MEDIA_QSFP_PLUS 0x7 +#define MC_CMD_GET_PHY_CFG_OUT_MMD_MASK_OFST 48 +/* enum: Native clause 22 */ +#define MC_CMD_MMD_CLAUSE22 0x0 +#define MC_CMD_MMD_CLAUSE45_PMAPMD 0x1 /* enum */ +#define MC_CMD_MMD_CLAUSE45_WIS 0x2 /* enum */ +#define MC_CMD_MMD_CLAUSE45_PCS 0x3 /* enum */ +#define MC_CMD_MMD_CLAUSE45_PHYXS 0x4 /* enum */ +#define MC_CMD_MMD_CLAUSE45_DTEXS 0x5 /* enum */ +#define MC_CMD_MMD_CLAUSE45_TC 0x6 /* enum */ +#define MC_CMD_MMD_CLAUSE45_AN 0x7 /* enum */ +/* enum: Clause22 proxied over clause45 by PHY. */ +#define MC_CMD_MMD_CLAUSE45_C22EXT 0x1d +#define MC_CMD_MMD_CLAUSE45_VEND1 0x1e /* enum */ +#define MC_CMD_MMD_CLAUSE45_VEND2 0x1f /* enum */ +#define MC_CMD_GET_PHY_CFG_OUT_REVISION_OFST 52 +#define MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN 20 + + +/***********************************/ +/* MC_CMD_GET_LINK + * Read the unified MAC/PHY link state. Locks required: None Return code: 0, + * ETIME. + */ +#define MC_CMD_GET_LINK 0x29 +#undef MC_CMD_0x29_PRIVILEGE_CTG + +#define MC_CMD_0x29_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_GET_LINK_IN msgrequest */ +#define MC_CMD_GET_LINK_IN_LEN 0 + +/* MC_CMD_GET_LINK_OUT msgresponse */ +#define MC_CMD_GET_LINK_OUT_LEN 28 +/* near-side advertised capabilities */ +#define MC_CMD_GET_LINK_OUT_CAP_OFST 0 +/* link-partner advertised capabilities */ +#define MC_CMD_GET_LINK_OUT_LP_CAP_OFST 4 +/* Autonegotiated speed in mbit/s. The link may still be down even if this + * reads non-zero. + */ +#define MC_CMD_GET_LINK_OUT_LINK_SPEED_OFST 8 +/* Current loopback setting. */ +#define MC_CMD_GET_LINK_OUT_LOOPBACK_MODE_OFST 12 +/* Enum values, see field(s): */ +/* MC_CMD_GET_LOOPBACK_MODES/MC_CMD_GET_LOOPBACK_MODES_OUT/100M */ +#define MC_CMD_GET_LINK_OUT_FLAGS_OFST 16 +#define MC_CMD_GET_LINK_OUT_LINK_UP_LBN 0 +#define MC_CMD_GET_LINK_OUT_LINK_UP_WIDTH 1 +#define MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN 1 +#define MC_CMD_GET_LINK_OUT_FULL_DUPLEX_WIDTH 1 +#define MC_CMD_GET_LINK_OUT_BPX_LINK_LBN 2 +#define MC_CMD_GET_LINK_OUT_BPX_LINK_WIDTH 1 +#define MC_CMD_GET_LINK_OUT_PHY_LINK_LBN 3 +#define MC_CMD_GET_LINK_OUT_PHY_LINK_WIDTH 1 +#define MC_CMD_GET_LINK_OUT_LINK_FAULT_RX_LBN 6 +#define MC_CMD_GET_LINK_OUT_LINK_FAULT_RX_WIDTH 1 +#define MC_CMD_GET_LINK_OUT_LINK_FAULT_TX_LBN 7 +#define MC_CMD_GET_LINK_OUT_LINK_FAULT_TX_WIDTH 1 +/* This returns the negotiated flow control value. */ +#define MC_CMD_GET_LINK_OUT_FCNTL_OFST 20 +/* Enum values, see field(s): */ +/* MC_CMD_SET_MAC/MC_CMD_SET_MAC_IN/FCNTL */ +#define MC_CMD_GET_LINK_OUT_MAC_FAULT_OFST 24 +#define MC_CMD_MAC_FAULT_XGMII_LOCAL_LBN 0 +#define MC_CMD_MAC_FAULT_XGMII_LOCAL_WIDTH 1 +#define MC_CMD_MAC_FAULT_XGMII_REMOTE_LBN 1 +#define MC_CMD_MAC_FAULT_XGMII_REMOTE_WIDTH 1 +#define MC_CMD_MAC_FAULT_SGMII_REMOTE_LBN 2 +#define MC_CMD_MAC_FAULT_SGMII_REMOTE_WIDTH 1 +#define MC_CMD_MAC_FAULT_PENDING_RECONFIG_LBN 3 +#define MC_CMD_MAC_FAULT_PENDING_RECONFIG_WIDTH 1 + + +/***********************************/ +/* MC_CMD_SET_MAC + * Set MAC configuration. Locks required: None. Return code: 0, EINVAL + */ +#define MC_CMD_SET_MAC 0x2c +#undef MC_CMD_0x2c_PRIVILEGE_CTG + +#define MC_CMD_0x2c_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_SET_MAC_IN msgrequest */ +#define MC_CMD_SET_MAC_IN_LEN 28 +/* The MTU is the MTU programmed directly into the XMAC/GMAC (inclusive of + * EtherII, VLAN, bug16011 padding). + */ +#define MC_CMD_SET_MAC_IN_MTU_OFST 0 +#define MC_CMD_SET_MAC_IN_DRAIN_OFST 4 +#define MC_CMD_SET_MAC_IN_ADDR_OFST 8 +#define MC_CMD_SET_MAC_IN_ADDR_LEN 8 +#define MC_CMD_SET_MAC_IN_ADDR_LO_OFST 8 +#define MC_CMD_SET_MAC_IN_ADDR_HI_OFST 12 +#define MC_CMD_SET_MAC_IN_REJECT_OFST 16 +#define MC_CMD_SET_MAC_IN_REJECT_UNCST_LBN 0 +#define MC_CMD_SET_MAC_IN_REJECT_UNCST_WIDTH 1 +#define MC_CMD_SET_MAC_IN_REJECT_BRDCST_LBN 1 +#define MC_CMD_SET_MAC_IN_REJECT_BRDCST_WIDTH 1 +#define MC_CMD_SET_MAC_IN_FCNTL_OFST 20 +/* enum: Flow control is off. */ +#define MC_CMD_FCNTL_OFF 0x0 +/* enum: Respond to flow control. */ +#define MC_CMD_FCNTL_RESPOND 0x1 +/* enum: Respond to and Issue flow control. */ +#define MC_CMD_FCNTL_BIDIR 0x2 +/* enum: Auto neg flow control. */ +#define MC_CMD_FCNTL_AUTO 0x3 +/* enum: Priority flow control (eftest builds only). */ +#define MC_CMD_FCNTL_QBB 0x4 +/* enum: Issue flow control. */ +#define MC_CMD_FCNTL_GENERATE 0x5 +#define MC_CMD_SET_MAC_IN_FLAGS_OFST 24 +#define MC_CMD_SET_MAC_IN_FLAG_INCLUDE_FCS_LBN 0 +#define MC_CMD_SET_MAC_IN_FLAG_INCLUDE_FCS_WIDTH 1 + +/* MC_CMD_SET_MAC_EXT_IN msgrequest */ +#define MC_CMD_SET_MAC_EXT_IN_LEN 32 +/* The MTU is the MTU programmed directly into the XMAC/GMAC (inclusive of + * EtherII, VLAN, bug16011 padding). + */ +#define MC_CMD_SET_MAC_EXT_IN_MTU_OFST 0 +#define MC_CMD_SET_MAC_EXT_IN_DRAIN_OFST 4 +#define MC_CMD_SET_MAC_EXT_IN_ADDR_OFST 8 +#define MC_CMD_SET_MAC_EXT_IN_ADDR_LEN 8 +#define MC_CMD_SET_MAC_EXT_IN_ADDR_LO_OFST 8 +#define MC_CMD_SET_MAC_EXT_IN_ADDR_HI_OFST 12 +#define MC_CMD_SET_MAC_EXT_IN_REJECT_OFST 16 +#define MC_CMD_SET_MAC_EXT_IN_REJECT_UNCST_LBN 0 +#define MC_CMD_SET_MAC_EXT_IN_REJECT_UNCST_WIDTH 1 +#define MC_CMD_SET_MAC_EXT_IN_REJECT_BRDCST_LBN 1 +#define MC_CMD_SET_MAC_EXT_IN_REJECT_BRDCST_WIDTH 1 +#define MC_CMD_SET_MAC_EXT_IN_FCNTL_OFST 20 +/* enum: Flow control is off. */ +/* MC_CMD_FCNTL_OFF 0x0 */ +/* enum: Respond to flow control. */ +/* MC_CMD_FCNTL_RESPOND 0x1 */ +/* enum: Respond to and Issue flow control. */ +/* MC_CMD_FCNTL_BIDIR 0x2 */ +/* enum: Auto neg flow control. */ +/* MC_CMD_FCNTL_AUTO 0x3 */ +/* enum: Priority flow control (eftest builds only). */ +/* MC_CMD_FCNTL_QBB 0x4 */ +/* enum: Issue flow control. */ +/* MC_CMD_FCNTL_GENERATE 0x5 */ +#define MC_CMD_SET_MAC_EXT_IN_FLAGS_OFST 24 +#define MC_CMD_SET_MAC_EXT_IN_FLAG_INCLUDE_FCS_LBN 0 +#define MC_CMD_SET_MAC_EXT_IN_FLAG_INCLUDE_FCS_WIDTH 1 +/* Select which parameters to configure. A parameter will only be modified if + * the corresponding control flag is set. If SET_MAC_ENHANCED is not set in + * capabilities then this field is ignored (and all flags are assumed to be + * set). + */ +#define MC_CMD_SET_MAC_EXT_IN_CONTROL_OFST 28 +#define MC_CMD_SET_MAC_EXT_IN_CFG_MTU_LBN 0 +#define MC_CMD_SET_MAC_EXT_IN_CFG_MTU_WIDTH 1 +#define MC_CMD_SET_MAC_EXT_IN_CFG_DRAIN_LBN 1 +#define MC_CMD_SET_MAC_EXT_IN_CFG_DRAIN_WIDTH 1 +#define MC_CMD_SET_MAC_EXT_IN_CFG_REJECT_LBN 2 +#define MC_CMD_SET_MAC_EXT_IN_CFG_REJECT_WIDTH 1 +#define MC_CMD_SET_MAC_EXT_IN_CFG_FCNTL_LBN 3 +#define MC_CMD_SET_MAC_EXT_IN_CFG_FCNTL_WIDTH 1 +#define MC_CMD_SET_MAC_EXT_IN_CFG_FCS_LBN 4 +#define MC_CMD_SET_MAC_EXT_IN_CFG_FCS_WIDTH 1 + +/* MC_CMD_SET_MAC_OUT msgresponse */ +#define MC_CMD_SET_MAC_OUT_LEN 0 + +/* MC_CMD_SET_MAC_V2_OUT msgresponse */ +#define MC_CMD_SET_MAC_V2_OUT_LEN 4 +/* MTU as configured after processing the request. See comment at + * MC_CMD_SET_MAC_IN/MTU. To query MTU without doing any changes, set CONTROL + * to 0. + */ +#define MC_CMD_SET_MAC_V2_OUT_MTU_OFST 0 + + +/***********************************/ +/* MC_CMD_REBOOT + * Reboot the MC. + * + * The AFTER_ASSERTION flag is intended to be used when the driver notices an + * assertion failure (at which point it is expected to perform a complete tear + * down and reinitialise), to allow both ports to reset the MC once in an + * atomic fashion. + * + * Production mc firmwares are generally compiled with REBOOT_ON_ASSERT=1, + * which means that they will automatically reboot out of the assertion + * handler, so this is in practise an optional operation. It is still + * recommended that drivers execute this to support custom firmwares with + * REBOOT_ON_ASSERT=0. + * + * Locks required: NONE Returns: Nothing. You get back a response with ERR=1, + * DATALEN=0 + */ +#define MC_CMD_REBOOT 0x3d +#undef MC_CMD_0x3d_PRIVILEGE_CTG + +#define MC_CMD_0x3d_PRIVILEGE_CTG SRIOV_CTG_ADMIN + +/* MC_CMD_REBOOT_IN msgrequest */ +#define MC_CMD_REBOOT_IN_LEN 4 +#define MC_CMD_REBOOT_IN_FLAGS_OFST 0 +#define MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION 0x1 /* enum */ + +/* MC_CMD_REBOOT_OUT msgresponse */ +#define MC_CMD_REBOOT_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_REBOOT_MODE + * Set the mode for the next MC reboot. Locks required: NONE. Sets the reboot + * mode to the specified value. Returns the old mode. + */ +#define MC_CMD_REBOOT_MODE 0x3f +#undef MC_CMD_0x3f_PRIVILEGE_CTG + +#define MC_CMD_0x3f_PRIVILEGE_CTG SRIOV_CTG_ADMIN + +/* MC_CMD_REBOOT_MODE_IN msgrequest */ +#define MC_CMD_REBOOT_MODE_IN_LEN 4 +#define MC_CMD_REBOOT_MODE_IN_VALUE_OFST 0 +/* enum: Normal. */ +#define MC_CMD_REBOOT_MODE_NORMAL 0x0 +/* enum: Power-on Reset. */ +#define MC_CMD_REBOOT_MODE_POR 0x2 +/* enum: Snapper. */ +#define MC_CMD_REBOOT_MODE_SNAPPER 0x3 +/* enum: snapper fake POR */ +#define MC_CMD_REBOOT_MODE_SNAPPER_POR 0x4 +#define MC_CMD_REBOOT_MODE_IN_FAKE_LBN 7 +#define MC_CMD_REBOOT_MODE_IN_FAKE_WIDTH 1 + +/* MC_CMD_REBOOT_MODE_OUT msgresponse */ +#define MC_CMD_REBOOT_MODE_OUT_LEN 4 +#define MC_CMD_REBOOT_MODE_OUT_VALUE_OFST 0 + + +/***********************************/ +/* MC_CMD_WORKAROUND + * Enable/Disable a given workaround. The mcfw will return EINVAL if it doesn't + * understand the given workaround number - which should not be treated as a + * hard error by client code. This op does not imply any semantics about each + * workaround, that's between the driver and the mcfw on a per-workaround + * basis. Locks required: None. Returns: 0, EINVAL . + */ +#define MC_CMD_WORKAROUND 0x4a +#undef MC_CMD_0x4a_PRIVILEGE_CTG + +#define MC_CMD_0x4a_PRIVILEGE_CTG SRIOV_CTG_ADMIN + +/* MC_CMD_WORKAROUND_IN msgrequest */ +#define MC_CMD_WORKAROUND_IN_LEN 8 +/* The enums here must correspond with those in MC_CMD_GET_WORKAROUND. */ +#define MC_CMD_WORKAROUND_IN_TYPE_OFST 0 +/* enum: Bug 17230 work around. */ +#define MC_CMD_WORKAROUND_BUG17230 0x1 +/* enum: Bug 35388 work around (unsafe EVQ writes). */ +#define MC_CMD_WORKAROUND_BUG35388 0x2 +/* enum: Bug35017 workaround (A64 tables must be identity map) */ +#define MC_CMD_WORKAROUND_BUG35017 0x3 +/* enum: Bug 41750 present (MC_CMD_TRIGGER_INTERRUPT won't work) */ +#define MC_CMD_WORKAROUND_BUG41750 0x4 +/* enum: Bug 42008 present (Interrupts can overtake associated events). Caution + * - before adding code that queries this workaround, remember that there's + * released Monza firmware that doesn't understand MC_CMD_WORKAROUND_BUG42008, + * and will hence (incorrectly) report that the bug doesn't exist. + */ +#define MC_CMD_WORKAROUND_BUG42008 0x5 +/* enum: Bug 26807 features present in firmware (multicast filter chaining) + * This feature cannot be turned on/off while there are any filters already + * present. The behaviour in such case depends on the acting client's privilege + * level. If the client has the admin privilege, then all functions that have + * filters installed will be FLRed and the FLR_DONE flag will be set. Otherwise + * the command will fail with MC_CMD_ERR_FILTERS_PRESENT. + */ +#define MC_CMD_WORKAROUND_BUG26807 0x6 +/* enum: Bug 61265 work around (broken EVQ TMR writes). */ +#define MC_CMD_WORKAROUND_BUG61265 0x7 +/* 0 = disable the workaround indicated by TYPE; any non-zero value = enable + * the workaround + */ +#define MC_CMD_WORKAROUND_IN_ENABLED_OFST 4 + +/* MC_CMD_WORKAROUND_OUT msgresponse */ +#define MC_CMD_WORKAROUND_OUT_LEN 0 + +/* MC_CMD_WORKAROUND_EXT_OUT msgresponse: This response format will be used + * when (TYPE == MC_CMD_WORKAROUND_BUG26807) + */ +#define MC_CMD_WORKAROUND_EXT_OUT_LEN 4 +#define MC_CMD_WORKAROUND_EXT_OUT_FLAGS_OFST 0 +#define MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN 0 +#define MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_WIDTH 1 + + +/***********************************/ +/* MC_CMD_GET_MAC_ADDRESSES + * Returns the base MAC, count and stride for the requesting function + */ +#define MC_CMD_GET_MAC_ADDRESSES 0x55 +#undef MC_CMD_0x55_PRIVILEGE_CTG + +#define MC_CMD_0x55_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_GET_MAC_ADDRESSES_IN msgrequest */ +#define MC_CMD_GET_MAC_ADDRESSES_IN_LEN 0 + +/* MC_CMD_GET_MAC_ADDRESSES_OUT msgresponse */ +#define MC_CMD_GET_MAC_ADDRESSES_OUT_LEN 16 +/* Base MAC address */ +#define MC_CMD_GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE_OFST 0 +#define MC_CMD_GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE_LEN 6 +/* Padding */ +#define MC_CMD_GET_MAC_ADDRESSES_OUT_RESERVED_OFST 6 +#define MC_CMD_GET_MAC_ADDRESSES_OUT_RESERVED_LEN 2 +/* Number of allocated MAC addresses */ +#define MC_CMD_GET_MAC_ADDRESSES_OUT_MAC_COUNT_OFST 8 +/* Spacing of allocated MAC addresses */ +#define MC_CMD_GET_MAC_ADDRESSES_OUT_MAC_STRIDE_OFST 12 + + +/***********************************/ +/* MC_CMD_GET_WORKAROUNDS + * Read the list of all implemented and all currently enabled workarounds. The + * enums here must correspond with those in MC_CMD_WORKAROUND. + */ +#define MC_CMD_GET_WORKAROUNDS 0x59 +#undef MC_CMD_0x59_PRIVILEGE_CTG + +#define MC_CMD_0x59_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_GET_WORKAROUNDS_OUT msgresponse */ +#define MC_CMD_GET_WORKAROUNDS_OUT_LEN 8 +/* Each workaround is represented by a single bit according to the enums below. + */ +#define MC_CMD_GET_WORKAROUNDS_OUT_IMPLEMENTED_OFST 0 +#define MC_CMD_GET_WORKAROUNDS_OUT_ENABLED_OFST 4 +/* enum: Bug 17230 work around. */ +#define MC_CMD_GET_WORKAROUNDS_OUT_BUG17230 0x2 +/* enum: Bug 35388 work around (unsafe EVQ writes). */ +#define MC_CMD_GET_WORKAROUNDS_OUT_BUG35388 0x4 +/* enum: Bug35017 workaround (A64 tables must be identity map) */ +#define MC_CMD_GET_WORKAROUNDS_OUT_BUG35017 0x8 +/* enum: Bug 41750 present (MC_CMD_TRIGGER_INTERRUPT won't work) */ +#define MC_CMD_GET_WORKAROUNDS_OUT_BUG41750 0x10 +/* enum: Bug 42008 present (Interrupts can overtake associated events). Caution + * - before adding code that queries this workaround, remember that there's + * released Monza firmware that doesn't understand MC_CMD_WORKAROUND_BUG42008, + * and will hence (incorrectly) report that the bug doesn't exist. + */ +#define MC_CMD_GET_WORKAROUNDS_OUT_BUG42008 0x20 +/* enum: Bug 26807 features present in firmware (multicast filter chaining) */ +#define MC_CMD_GET_WORKAROUNDS_OUT_BUG26807 0x40 +/* enum: Bug 61265 work around (broken EVQ TMR writes). */ +#define MC_CMD_GET_WORKAROUNDS_OUT_BUG61265 0x80 + + +/***********************************/ +/* MC_CMD_V2_EXTN + * Encapsulation for a v2 extended command + */ +#define MC_CMD_V2_EXTN 0x7f + +/* MC_CMD_V2_EXTN_IN msgrequest */ +#define MC_CMD_V2_EXTN_IN_LEN 4 +/* the extended command number */ +#define MC_CMD_V2_EXTN_IN_EXTENDED_CMD_LBN 0 +#define MC_CMD_V2_EXTN_IN_EXTENDED_CMD_WIDTH 15 +#define MC_CMD_V2_EXTN_IN_UNUSED_LBN 15 +#define MC_CMD_V2_EXTN_IN_UNUSED_WIDTH 1 +/* the actual length of the encapsulated command (which is not in the v1 + * header) + */ +#define MC_CMD_V2_EXTN_IN_ACTUAL_LEN_LBN 16 +#define MC_CMD_V2_EXTN_IN_ACTUAL_LEN_WIDTH 10 +#define MC_CMD_V2_EXTN_IN_UNUSED2_LBN 26 +#define MC_CMD_V2_EXTN_IN_UNUSED2_WIDTH 2 +/* Type of command/response */ +#define MC_CMD_V2_EXTN_IN_MESSAGE_TYPE_LBN 28 +#define MC_CMD_V2_EXTN_IN_MESSAGE_TYPE_WIDTH 4 +/* enum: MCDI command directed to or response originating from the MC. */ +#define MC_CMD_V2_EXTN_IN_MCDI_MESSAGE_TYPE_MC 0x0 +/* enum: MCDI command directed to a TSA controller. MCDI responses of this type + * are not defined. + */ +#define MC_CMD_V2_EXTN_IN_MCDI_MESSAGE_TYPE_TSA 0x1 + + +/***********************************/ +/* MC_CMD_INIT_EVQ + * Set up an event queue according to the supplied parameters. The IN arguments + * end with an address for each 4k of host memory required to back the EVQ. + */ +#define MC_CMD_INIT_EVQ 0x80 +#undef MC_CMD_0x80_PRIVILEGE_CTG + +#define MC_CMD_0x80_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_INIT_EVQ_IN msgrequest */ +#define MC_CMD_INIT_EVQ_IN_LENMIN 44 +#define MC_CMD_INIT_EVQ_IN_LENMAX 548 +#define MC_CMD_INIT_EVQ_IN_LEN(num) (36+8*(num)) +/* Size, in entries */ +#define MC_CMD_INIT_EVQ_IN_SIZE_OFST 0 +/* Desired instance. Must be set to a specific instance, which is a function + * local queue index. + */ +#define MC_CMD_INIT_EVQ_IN_INSTANCE_OFST 4 +/* The initial timer value. The load value is ignored if the timer mode is DIS. + */ +#define MC_CMD_INIT_EVQ_IN_TMR_LOAD_OFST 8 +/* The reload value is ignored in one-shot modes */ +#define MC_CMD_INIT_EVQ_IN_TMR_RELOAD_OFST 12 +/* tbd */ +#define MC_CMD_INIT_EVQ_IN_FLAGS_OFST 16 +#define MC_CMD_INIT_EVQ_IN_FLAG_INTERRUPTING_LBN 0 +#define MC_CMD_INIT_EVQ_IN_FLAG_INTERRUPTING_WIDTH 1 +#define MC_CMD_INIT_EVQ_IN_FLAG_RPTR_DOS_LBN 1 +#define MC_CMD_INIT_EVQ_IN_FLAG_RPTR_DOS_WIDTH 1 +#define MC_CMD_INIT_EVQ_IN_FLAG_INT_ARMD_LBN 2 +#define MC_CMD_INIT_EVQ_IN_FLAG_INT_ARMD_WIDTH 1 +#define MC_CMD_INIT_EVQ_IN_FLAG_CUT_THRU_LBN 3 +#define MC_CMD_INIT_EVQ_IN_FLAG_CUT_THRU_WIDTH 1 +#define MC_CMD_INIT_EVQ_IN_FLAG_RX_MERGE_LBN 4 +#define MC_CMD_INIT_EVQ_IN_FLAG_RX_MERGE_WIDTH 1 +#define MC_CMD_INIT_EVQ_IN_FLAG_TX_MERGE_LBN 5 +#define MC_CMD_INIT_EVQ_IN_FLAG_TX_MERGE_WIDTH 1 +#define MC_CMD_INIT_EVQ_IN_FLAG_USE_TIMER_LBN 6 +#define MC_CMD_INIT_EVQ_IN_FLAG_USE_TIMER_WIDTH 1 +#define MC_CMD_INIT_EVQ_IN_TMR_MODE_OFST 20 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_IN_TMR_MODE_DIS 0x0 +/* enum: Immediate */ +#define MC_CMD_INIT_EVQ_IN_TMR_IMMED_START 0x1 +/* enum: Triggered */ +#define MC_CMD_INIT_EVQ_IN_TMR_TRIG_START 0x2 +/* enum: Hold-off */ +#define MC_CMD_INIT_EVQ_IN_TMR_INT_HLDOFF 0x3 +/* Target EVQ for wakeups if in wakeup mode. */ +#define MC_CMD_INIT_EVQ_IN_TARGET_EVQ_OFST 24 +/* Target interrupt if in interrupting mode (note union with target EVQ). Use + * MC_CMD_RESOURCE_INSTANCE_ANY unless a specific one required for test + * purposes. + */ +#define MC_CMD_INIT_EVQ_IN_IRQ_NUM_OFST 24 +/* Event Counter Mode. */ +#define MC_CMD_INIT_EVQ_IN_COUNT_MODE_OFST 28 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_IN_COUNT_MODE_DIS 0x0 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_IN_COUNT_MODE_RX 0x1 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_IN_COUNT_MODE_TX 0x2 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_IN_COUNT_MODE_RXTX 0x3 +/* Event queue packet count threshold. */ +#define MC_CMD_INIT_EVQ_IN_COUNT_THRSHLD_OFST 32 +/* 64-bit address of 4k of 4k-aligned host memory buffer */ +#define MC_CMD_INIT_EVQ_IN_DMA_ADDR_OFST 36 +#define MC_CMD_INIT_EVQ_IN_DMA_ADDR_LEN 8 +#define MC_CMD_INIT_EVQ_IN_DMA_ADDR_LO_OFST 36 +#define MC_CMD_INIT_EVQ_IN_DMA_ADDR_HI_OFST 40 +#define MC_CMD_INIT_EVQ_IN_DMA_ADDR_MINNUM 1 +#define MC_CMD_INIT_EVQ_IN_DMA_ADDR_MAXNUM 64 + +/* MC_CMD_INIT_EVQ_OUT msgresponse */ +#define MC_CMD_INIT_EVQ_OUT_LEN 4 +/* Only valid if INTRFLAG was true */ +#define MC_CMD_INIT_EVQ_OUT_IRQ_OFST 0 + +/* MC_CMD_INIT_EVQ_V2_IN msgrequest */ +#define MC_CMD_INIT_EVQ_V2_IN_LENMIN 44 +#define MC_CMD_INIT_EVQ_V2_IN_LENMAX 548 +#define MC_CMD_INIT_EVQ_V2_IN_LEN(num) (36+8*(num)) +/* Size, in entries */ +#define MC_CMD_INIT_EVQ_V2_IN_SIZE_OFST 0 +/* Desired instance. Must be set to a specific instance, which is a function + * local queue index. + */ +#define MC_CMD_INIT_EVQ_V2_IN_INSTANCE_OFST 4 +/* The initial timer value. The load value is ignored if the timer mode is DIS. + */ +#define MC_CMD_INIT_EVQ_V2_IN_TMR_LOAD_OFST 8 +/* The reload value is ignored in one-shot modes */ +#define MC_CMD_INIT_EVQ_V2_IN_TMR_RELOAD_OFST 12 +/* tbd */ +#define MC_CMD_INIT_EVQ_V2_IN_FLAGS_OFST 16 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_INTERRUPTING_LBN 0 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_INTERRUPTING_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_RPTR_DOS_LBN 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_RPTR_DOS_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_INT_ARMD_LBN 2 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_INT_ARMD_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_CUT_THRU_LBN 3 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_CUT_THRU_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_RX_MERGE_LBN 4 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_RX_MERGE_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TX_MERGE_LBN 5 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TX_MERGE_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_USE_TIMER_LBN 6 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_USE_TIMER_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TYPE_LBN 7 +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TYPE_WIDTH 4 +/* enum: All initialisation flags specified by host. */ +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TYPE_MANUAL 0x0 +/* enum: MEDFORD only. Certain initialisation flags specified by host may be + * over-ridden by firmware based on licenses and firmware variant in order to + * provide the lowest latency achievable. See + * MC_CMD_INIT_EVQ_V2/MC_CMD_INIT_EVQ_V2_OUT/FLAGS for list of affected flags. + */ +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TYPE_LOW_LATENCY 0x1 +/* enum: MEDFORD only. Certain initialisation flags specified by host may be + * over-ridden by firmware based on licenses and firmware variant in order to + * provide the best throughput achievable. See + * MC_CMD_INIT_EVQ_V2/MC_CMD_INIT_EVQ_V2_OUT/FLAGS for list of affected flags. + */ +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TYPE_THROUGHPUT 0x2 +/* enum: MEDFORD only. Certain initialisation flags may be over-ridden by + * firmware based on licenses and firmware variant. See + * MC_CMD_INIT_EVQ_V2/MC_CMD_INIT_EVQ_V2_OUT/FLAGS for list of affected flags. + */ +#define MC_CMD_INIT_EVQ_V2_IN_FLAG_TYPE_AUTO 0x3 +#define MC_CMD_INIT_EVQ_V2_IN_TMR_MODE_OFST 20 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_V2_IN_TMR_MODE_DIS 0x0 +/* enum: Immediate */ +#define MC_CMD_INIT_EVQ_V2_IN_TMR_IMMED_START 0x1 +/* enum: Triggered */ +#define MC_CMD_INIT_EVQ_V2_IN_TMR_TRIG_START 0x2 +/* enum: Hold-off */ +#define MC_CMD_INIT_EVQ_V2_IN_TMR_INT_HLDOFF 0x3 +/* Target EVQ for wakeups if in wakeup mode. */ +#define MC_CMD_INIT_EVQ_V2_IN_TARGET_EVQ_OFST 24 +/* Target interrupt if in interrupting mode (note union with target EVQ). Use + * MC_CMD_RESOURCE_INSTANCE_ANY unless a specific one required for test + * purposes. + */ +#define MC_CMD_INIT_EVQ_V2_IN_IRQ_NUM_OFST 24 +/* Event Counter Mode. */ +#define MC_CMD_INIT_EVQ_V2_IN_COUNT_MODE_OFST 28 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_V2_IN_COUNT_MODE_DIS 0x0 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_V2_IN_COUNT_MODE_RX 0x1 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_V2_IN_COUNT_MODE_TX 0x2 +/* enum: Disabled */ +#define MC_CMD_INIT_EVQ_V2_IN_COUNT_MODE_RXTX 0x3 +/* Event queue packet count threshold. */ +#define MC_CMD_INIT_EVQ_V2_IN_COUNT_THRSHLD_OFST 32 +/* 64-bit address of 4k of 4k-aligned host memory buffer */ +#define MC_CMD_INIT_EVQ_V2_IN_DMA_ADDR_OFST 36 +#define MC_CMD_INIT_EVQ_V2_IN_DMA_ADDR_LEN 8 +#define MC_CMD_INIT_EVQ_V2_IN_DMA_ADDR_LO_OFST 36 +#define MC_CMD_INIT_EVQ_V2_IN_DMA_ADDR_HI_OFST 40 +#define MC_CMD_INIT_EVQ_V2_IN_DMA_ADDR_MINNUM 1 +#define MC_CMD_INIT_EVQ_V2_IN_DMA_ADDR_MAXNUM 64 + +/* MC_CMD_INIT_EVQ_V2_OUT msgresponse */ +#define MC_CMD_INIT_EVQ_V2_OUT_LEN 8 +/* Only valid if INTRFLAG was true */ +#define MC_CMD_INIT_EVQ_V2_OUT_IRQ_OFST 0 +/* Actual configuration applied on the card */ +#define MC_CMD_INIT_EVQ_V2_OUT_FLAGS_OFST 4 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_CUT_THRU_LBN 0 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_CUT_THRU_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_RX_MERGE_LBN 1 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_RX_MERGE_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_TX_MERGE_LBN 2 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_TX_MERGE_WIDTH 1 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_RXQ_FORCE_EV_MERGING_LBN 3 +#define MC_CMD_INIT_EVQ_V2_OUT_FLAG_RXQ_FORCE_EV_MERGING_WIDTH 1 + +/* QUEUE_CRC_MODE structuredef */ +#define QUEUE_CRC_MODE_LEN 1 +#define QUEUE_CRC_MODE_MODE_LBN 0 +#define QUEUE_CRC_MODE_MODE_WIDTH 4 +/* enum: No CRC. */ +#define QUEUE_CRC_MODE_NONE 0x0 +/* enum: CRC Fiber channel over ethernet. */ +#define QUEUE_CRC_MODE_FCOE 0x1 +/* enum: CRC (digest) iSCSI header only. */ +#define QUEUE_CRC_MODE_ISCSI_HDR 0x2 +/* enum: CRC (digest) iSCSI header and payload. */ +#define QUEUE_CRC_MODE_ISCSI 0x3 +/* enum: CRC Fiber channel over IP over ethernet. */ +#define QUEUE_CRC_MODE_FCOIPOE 0x4 +/* enum: CRC MPA. */ +#define QUEUE_CRC_MODE_MPA 0x5 +#define QUEUE_CRC_MODE_SPARE_LBN 4 +#define QUEUE_CRC_MODE_SPARE_WIDTH 4 + + +/***********************************/ +/* MC_CMD_INIT_RXQ + * set up a receive queue according to the supplied parameters. The IN + * arguments end with an address for each 4k of host memory required to back + * the RXQ. + */ +#define MC_CMD_INIT_RXQ 0x81 +#undef MC_CMD_0x81_PRIVILEGE_CTG + +#define MC_CMD_0x81_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_INIT_RXQ_IN msgrequest: Legacy RXQ_INIT request. Use extended version + * in new code. + */ +#define MC_CMD_INIT_RXQ_IN_LENMIN 36 +#define MC_CMD_INIT_RXQ_IN_LENMAX 252 +#define MC_CMD_INIT_RXQ_IN_LEN(num) (28+8*(num)) +/* Size, in entries */ +#define MC_CMD_INIT_RXQ_IN_SIZE_OFST 0 +/* The EVQ to send events to. This is an index originally specified to INIT_EVQ + */ +#define MC_CMD_INIT_RXQ_IN_TARGET_EVQ_OFST 4 +/* The value to put in the event data. Check hardware spec. for valid range. */ +#define MC_CMD_INIT_RXQ_IN_LABEL_OFST 8 +/* Desired instance. Must be set to a specific instance, which is a function + * local queue index. + */ +#define MC_CMD_INIT_RXQ_IN_INSTANCE_OFST 12 +/* There will be more flags here. */ +#define MC_CMD_INIT_RXQ_IN_FLAGS_OFST 16 +#define MC_CMD_INIT_RXQ_IN_FLAG_BUFF_MODE_LBN 0 +#define MC_CMD_INIT_RXQ_IN_FLAG_BUFF_MODE_WIDTH 1 +#define MC_CMD_INIT_RXQ_IN_FLAG_HDR_SPLIT_LBN 1 +#define MC_CMD_INIT_RXQ_IN_FLAG_HDR_SPLIT_WIDTH 1 +#define MC_CMD_INIT_RXQ_IN_FLAG_TIMESTAMP_LBN 2 +#define MC_CMD_INIT_RXQ_IN_FLAG_TIMESTAMP_WIDTH 1 +#define MC_CMD_INIT_RXQ_IN_CRC_MODE_LBN 3 +#define MC_CMD_INIT_RXQ_IN_CRC_MODE_WIDTH 4 +#define MC_CMD_INIT_RXQ_IN_FLAG_CHAIN_LBN 7 +#define MC_CMD_INIT_RXQ_IN_FLAG_CHAIN_WIDTH 1 +#define MC_CMD_INIT_RXQ_IN_FLAG_PREFIX_LBN 8 +#define MC_CMD_INIT_RXQ_IN_FLAG_PREFIX_WIDTH 1 +#define MC_CMD_INIT_RXQ_IN_FLAG_DISABLE_SCATTER_LBN 9 +#define MC_CMD_INIT_RXQ_IN_FLAG_DISABLE_SCATTER_WIDTH 1 +#define MC_CMD_INIT_RXQ_IN_UNUSED_LBN 10 +#define MC_CMD_INIT_RXQ_IN_UNUSED_WIDTH 1 +/* Owner ID to use if in buffer mode (zero if physical) */ +#define MC_CMD_INIT_RXQ_IN_OWNER_ID_OFST 20 +/* The port ID associated with the v-adaptor which should contain this DMAQ. */ +#define MC_CMD_INIT_RXQ_IN_PORT_ID_OFST 24 +/* 64-bit address of 4k of 4k-aligned host memory buffer */ +#define MC_CMD_INIT_RXQ_IN_DMA_ADDR_OFST 28 +#define MC_CMD_INIT_RXQ_IN_DMA_ADDR_LEN 8 +#define MC_CMD_INIT_RXQ_IN_DMA_ADDR_LO_OFST 28 +#define MC_CMD_INIT_RXQ_IN_DMA_ADDR_HI_OFST 32 +#define MC_CMD_INIT_RXQ_IN_DMA_ADDR_MINNUM 1 +#define MC_CMD_INIT_RXQ_IN_DMA_ADDR_MAXNUM 28 + +/* MC_CMD_INIT_RXQ_EXT_IN msgrequest: Extended RXQ_INIT with additional mode + * flags + */ +#define MC_CMD_INIT_RXQ_EXT_IN_LEN 544 +/* Size, in entries */ +#define MC_CMD_INIT_RXQ_EXT_IN_SIZE_OFST 0 +/* The EVQ to send events to. This is an index originally specified to INIT_EVQ + */ +#define MC_CMD_INIT_RXQ_EXT_IN_TARGET_EVQ_OFST 4 +/* The value to put in the event data. Check hardware spec. for valid range. */ +#define MC_CMD_INIT_RXQ_EXT_IN_LABEL_OFST 8 +/* Desired instance. Must be set to a specific instance, which is a function + * local queue index. + */ +#define MC_CMD_INIT_RXQ_EXT_IN_INSTANCE_OFST 12 +/* There will be more flags here. */ +#define MC_CMD_INIT_RXQ_EXT_IN_FLAGS_OFST 16 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_BUFF_MODE_LBN 0 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_BUFF_MODE_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_HDR_SPLIT_LBN 1 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_HDR_SPLIT_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_TIMESTAMP_LBN 2 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_TIMESTAMP_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_CRC_MODE_LBN 3 +#define MC_CMD_INIT_RXQ_EXT_IN_CRC_MODE_WIDTH 4 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_CHAIN_LBN 7 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_CHAIN_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_PREFIX_LBN 8 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_PREFIX_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_DISABLE_SCATTER_LBN 9 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_DISABLE_SCATTER_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_DMA_MODE_LBN 10 +#define MC_CMD_INIT_RXQ_EXT_IN_DMA_MODE_WIDTH 4 +/* enum: One packet per descriptor (for normal networking) */ +#define MC_CMD_INIT_RXQ_EXT_IN_SINGLE_PACKET 0x0 +/* enum: Pack multiple packets into large descriptors (for SolarCapture) */ +#define MC_CMD_INIT_RXQ_EXT_IN_PACKED_STREAM 0x1 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_SNAPSHOT_MODE_LBN 14 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_SNAPSHOT_MODE_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_PACKED_STREAM_BUFF_SIZE_LBN 15 +#define MC_CMD_INIT_RXQ_EXT_IN_PACKED_STREAM_BUFF_SIZE_WIDTH 3 +#define MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_1M 0x0 /* enum */ +#define MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_512K 0x1 /* enum */ +#define MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_256K 0x2 /* enum */ +#define MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_128K 0x3 /* enum */ +#define MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_64K 0x4 /* enum */ +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_WANT_OUTER_CLASSES_LBN 18 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_WANT_OUTER_CLASSES_WIDTH 1 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_FORCE_EV_MERGING_LBN 19 +#define MC_CMD_INIT_RXQ_EXT_IN_FLAG_FORCE_EV_MERGING_WIDTH 1 +/* Owner ID to use if in buffer mode (zero if physical) */ +#define MC_CMD_INIT_RXQ_EXT_IN_OWNER_ID_OFST 20 +/* The port ID associated with the v-adaptor which should contain this DMAQ. */ +#define MC_CMD_INIT_RXQ_EXT_IN_PORT_ID_OFST 24 +/* 64-bit address of 4k of 4k-aligned host memory buffer */ +#define MC_CMD_INIT_RXQ_EXT_IN_DMA_ADDR_OFST 28 +#define MC_CMD_INIT_RXQ_EXT_IN_DMA_ADDR_LEN 8 +#define MC_CMD_INIT_RXQ_EXT_IN_DMA_ADDR_LO_OFST 28 +#define MC_CMD_INIT_RXQ_EXT_IN_DMA_ADDR_HI_OFST 32 +#define MC_CMD_INIT_RXQ_EXT_IN_DMA_ADDR_NUM 64 +/* Maximum length of packet to receive, if SNAPSHOT_MODE flag is set */ +#define MC_CMD_INIT_RXQ_EXT_IN_SNAPSHOT_LENGTH_OFST 540 + +/* MC_CMD_INIT_RXQ_OUT msgresponse */ +#define MC_CMD_INIT_RXQ_OUT_LEN 0 + +/* MC_CMD_INIT_RXQ_EXT_OUT msgresponse */ +#define MC_CMD_INIT_RXQ_EXT_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_INIT_TXQ + */ +#define MC_CMD_INIT_TXQ 0x82 +#undef MC_CMD_0x82_PRIVILEGE_CTG + +#define MC_CMD_0x82_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_INIT_TXQ_IN msgrequest: Legacy INIT_TXQ request. Use extended version + * in new code. + */ +#define MC_CMD_INIT_TXQ_IN_LENMIN 36 +#define MC_CMD_INIT_TXQ_IN_LENMAX 252 +#define MC_CMD_INIT_TXQ_IN_LEN(num) (28+8*(num)) +/* Size, in entries */ +#define MC_CMD_INIT_TXQ_IN_SIZE_OFST 0 +/* The EVQ to send events to. This is an index originally specified to + * INIT_EVQ. + */ +#define MC_CMD_INIT_TXQ_IN_TARGET_EVQ_OFST 4 +/* The value to put in the event data. Check hardware spec. for valid range. */ +#define MC_CMD_INIT_TXQ_IN_LABEL_OFST 8 +/* Desired instance. Must be set to a specific instance, which is a function + * local queue index. + */ +#define MC_CMD_INIT_TXQ_IN_INSTANCE_OFST 12 +/* There will be more flags here. */ +#define MC_CMD_INIT_TXQ_IN_FLAGS_OFST 16 +#define MC_CMD_INIT_TXQ_IN_FLAG_BUFF_MODE_LBN 0 +#define MC_CMD_INIT_TXQ_IN_FLAG_BUFF_MODE_WIDTH 1 +#define MC_CMD_INIT_TXQ_IN_FLAG_IP_CSUM_DIS_LBN 1 +#define MC_CMD_INIT_TXQ_IN_FLAG_IP_CSUM_DIS_WIDTH 1 +#define MC_CMD_INIT_TXQ_IN_FLAG_TCP_CSUM_DIS_LBN 2 +#define MC_CMD_INIT_TXQ_IN_FLAG_TCP_CSUM_DIS_WIDTH 1 +#define MC_CMD_INIT_TXQ_IN_FLAG_TCP_UDP_ONLY_LBN 3 +#define MC_CMD_INIT_TXQ_IN_FLAG_TCP_UDP_ONLY_WIDTH 1 +#define MC_CMD_INIT_TXQ_IN_CRC_MODE_LBN 4 +#define MC_CMD_INIT_TXQ_IN_CRC_MODE_WIDTH 4 +#define MC_CMD_INIT_TXQ_IN_FLAG_TIMESTAMP_LBN 8 +#define MC_CMD_INIT_TXQ_IN_FLAG_TIMESTAMP_WIDTH 1 +#define MC_CMD_INIT_TXQ_IN_FLAG_PACER_BYPASS_LBN 9 +#define MC_CMD_INIT_TXQ_IN_FLAG_PACER_BYPASS_WIDTH 1 +#define MC_CMD_INIT_TXQ_IN_FLAG_INNER_IP_CSUM_EN_LBN 10 +#define MC_CMD_INIT_TXQ_IN_FLAG_INNER_IP_CSUM_EN_WIDTH 1 +#define MC_CMD_INIT_TXQ_IN_FLAG_INNER_TCP_CSUM_EN_LBN 11 +#define MC_CMD_INIT_TXQ_IN_FLAG_INNER_TCP_CSUM_EN_WIDTH 1 +/* Owner ID to use if in buffer mode (zero if physical) */ +#define MC_CMD_INIT_TXQ_IN_OWNER_ID_OFST 20 +/* The port ID associated with the v-adaptor which should contain this DMAQ. */ +#define MC_CMD_INIT_TXQ_IN_PORT_ID_OFST 24 +/* 64-bit address of 4k of 4k-aligned host memory buffer */ +#define MC_CMD_INIT_TXQ_IN_DMA_ADDR_OFST 28 +#define MC_CMD_INIT_TXQ_IN_DMA_ADDR_LEN 8 +#define MC_CMD_INIT_TXQ_IN_DMA_ADDR_LO_OFST 28 +#define MC_CMD_INIT_TXQ_IN_DMA_ADDR_HI_OFST 32 +#define MC_CMD_INIT_TXQ_IN_DMA_ADDR_MINNUM 1 +#define MC_CMD_INIT_TXQ_IN_DMA_ADDR_MAXNUM 28 + +/* MC_CMD_INIT_TXQ_EXT_IN msgrequest: Extended INIT_TXQ with additional mode + * flags + */ +#define MC_CMD_INIT_TXQ_EXT_IN_LEN 544 +/* Size, in entries */ +#define MC_CMD_INIT_TXQ_EXT_IN_SIZE_OFST 0 +/* The EVQ to send events to. This is an index originally specified to + * INIT_EVQ. + */ +#define MC_CMD_INIT_TXQ_EXT_IN_TARGET_EVQ_OFST 4 +/* The value to put in the event data. Check hardware spec. for valid range. */ +#define MC_CMD_INIT_TXQ_EXT_IN_LABEL_OFST 8 +/* Desired instance. Must be set to a specific instance, which is a function + * local queue index. + */ +#define MC_CMD_INIT_TXQ_EXT_IN_INSTANCE_OFST 12 +/* There will be more flags here. */ +#define MC_CMD_INIT_TXQ_EXT_IN_FLAGS_OFST 16 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_BUFF_MODE_LBN 0 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_BUFF_MODE_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_IP_CSUM_DIS_LBN 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_IP_CSUM_DIS_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TCP_CSUM_DIS_LBN 2 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TCP_CSUM_DIS_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TCP_UDP_ONLY_LBN 3 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TCP_UDP_ONLY_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_CRC_MODE_LBN 4 +#define MC_CMD_INIT_TXQ_EXT_IN_CRC_MODE_WIDTH 4 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TIMESTAMP_LBN 8 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TIMESTAMP_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_PACER_BYPASS_LBN 9 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_PACER_BYPASS_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_INNER_IP_CSUM_EN_LBN 10 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_INNER_IP_CSUM_EN_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_INNER_TCP_CSUM_EN_LBN 11 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_INNER_TCP_CSUM_EN_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TSOV2_EN_LBN 12 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_TSOV2_EN_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_CTPIO_LBN 13 +#define MC_CMD_INIT_TXQ_EXT_IN_FLAG_CTPIO_WIDTH 1 +/* Owner ID to use if in buffer mode (zero if physical) */ +#define MC_CMD_INIT_TXQ_EXT_IN_OWNER_ID_OFST 20 +/* The port ID associated with the v-adaptor which should contain this DMAQ. */ +#define MC_CMD_INIT_TXQ_EXT_IN_PORT_ID_OFST 24 +/* 64-bit address of 4k of 4k-aligned host memory buffer */ +#define MC_CMD_INIT_TXQ_EXT_IN_DMA_ADDR_OFST 28 +#define MC_CMD_INIT_TXQ_EXT_IN_DMA_ADDR_LEN 8 +#define MC_CMD_INIT_TXQ_EXT_IN_DMA_ADDR_LO_OFST 28 +#define MC_CMD_INIT_TXQ_EXT_IN_DMA_ADDR_HI_OFST 32 +#define MC_CMD_INIT_TXQ_EXT_IN_DMA_ADDR_MINNUM 1 +#define MC_CMD_INIT_TXQ_EXT_IN_DMA_ADDR_MAXNUM 64 +/* Flags related to Qbb flow control mode. */ +#define MC_CMD_INIT_TXQ_EXT_IN_QBB_FLAGS_OFST 540 +#define MC_CMD_INIT_TXQ_EXT_IN_QBB_ENABLE_LBN 0 +#define MC_CMD_INIT_TXQ_EXT_IN_QBB_ENABLE_WIDTH 1 +#define MC_CMD_INIT_TXQ_EXT_IN_QBB_PRIORITY_LBN 1 +#define MC_CMD_INIT_TXQ_EXT_IN_QBB_PRIORITY_WIDTH 3 + +/* MC_CMD_INIT_TXQ_OUT msgresponse */ +#define MC_CMD_INIT_TXQ_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_FINI_EVQ + * Teardown an EVQ. + * + * All DMAQs or EVQs that point to the EVQ to tear down must be torn down first + * or the operation will fail with EBUSY + */ +#define MC_CMD_FINI_EVQ 0x83 +#undef MC_CMD_0x83_PRIVILEGE_CTG + +#define MC_CMD_0x83_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_FINI_EVQ_IN msgrequest */ +#define MC_CMD_FINI_EVQ_IN_LEN 4 +/* Instance of EVQ to destroy. Should be the same instance as that previously + * passed to INIT_EVQ + */ +#define MC_CMD_FINI_EVQ_IN_INSTANCE_OFST 0 + +/* MC_CMD_FINI_EVQ_OUT msgresponse */ +#define MC_CMD_FINI_EVQ_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_FINI_RXQ + * Teardown a RXQ. + */ +#define MC_CMD_FINI_RXQ 0x84 +#undef MC_CMD_0x84_PRIVILEGE_CTG + +#define MC_CMD_0x84_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_FINI_RXQ_IN msgrequest */ +#define MC_CMD_FINI_RXQ_IN_LEN 4 +/* Instance of RXQ to destroy */ +#define MC_CMD_FINI_RXQ_IN_INSTANCE_OFST 0 + +/* MC_CMD_FINI_RXQ_OUT msgresponse */ +#define MC_CMD_FINI_RXQ_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_FINI_TXQ + * Teardown a TXQ. + */ +#define MC_CMD_FINI_TXQ 0x85 +#undef MC_CMD_0x85_PRIVILEGE_CTG + +#define MC_CMD_0x85_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_FINI_TXQ_IN msgrequest */ +#define MC_CMD_FINI_TXQ_IN_LEN 4 +/* Instance of TXQ to destroy */ +#define MC_CMD_FINI_TXQ_IN_INSTANCE_OFST 0 + +/* MC_CMD_FINI_TXQ_OUT msgresponse */ +#define MC_CMD_FINI_TXQ_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_FILTER_OP + * Multiplexed MCDI call for filter operations + */ +#define MC_CMD_FILTER_OP 0x8a +#undef MC_CMD_0x8a_PRIVILEGE_CTG + +#define MC_CMD_0x8a_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_FILTER_OP_IN msgrequest */ +#define MC_CMD_FILTER_OP_IN_LEN 108 +/* identifies the type of operation requested */ +#define MC_CMD_FILTER_OP_IN_OP_OFST 0 +/* enum: single-recipient filter insert */ +#define MC_CMD_FILTER_OP_IN_OP_INSERT 0x0 +/* enum: single-recipient filter remove */ +#define MC_CMD_FILTER_OP_IN_OP_REMOVE 0x1 +/* enum: multi-recipient filter subscribe */ +#define MC_CMD_FILTER_OP_IN_OP_SUBSCRIBE 0x2 +/* enum: multi-recipient filter unsubscribe */ +#define MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE 0x3 +/* enum: replace one recipient with another (warning - the filter handle may + * change) + */ +#define MC_CMD_FILTER_OP_IN_OP_REPLACE 0x4 +/* filter handle (for remove / unsubscribe operations) */ +#define MC_CMD_FILTER_OP_IN_HANDLE_OFST 4 +#define MC_CMD_FILTER_OP_IN_HANDLE_LEN 8 +#define MC_CMD_FILTER_OP_IN_HANDLE_LO_OFST 4 +#define MC_CMD_FILTER_OP_IN_HANDLE_HI_OFST 8 +/* The port ID associated with the v-adaptor which should contain this filter. + */ +#define MC_CMD_FILTER_OP_IN_PORT_ID_OFST 12 +/* fields to include in match criteria */ +#define MC_CMD_FILTER_OP_IN_MATCH_FIELDS_OFST 16 +#define MC_CMD_FILTER_OP_IN_MATCH_SRC_IP_LBN 0 +#define MC_CMD_FILTER_OP_IN_MATCH_SRC_IP_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_DST_IP_LBN 1 +#define MC_CMD_FILTER_OP_IN_MATCH_DST_IP_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_SRC_MAC_LBN 2 +#define MC_CMD_FILTER_OP_IN_MATCH_SRC_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_SRC_PORT_LBN 3 +#define MC_CMD_FILTER_OP_IN_MATCH_SRC_PORT_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_DST_MAC_LBN 4 +#define MC_CMD_FILTER_OP_IN_MATCH_DST_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_DST_PORT_LBN 5 +#define MC_CMD_FILTER_OP_IN_MATCH_DST_PORT_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_ETHER_TYPE_LBN 6 +#define MC_CMD_FILTER_OP_IN_MATCH_ETHER_TYPE_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_INNER_VLAN_LBN 7 +#define MC_CMD_FILTER_OP_IN_MATCH_INNER_VLAN_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_OUTER_VLAN_LBN 8 +#define MC_CMD_FILTER_OP_IN_MATCH_OUTER_VLAN_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_IP_PROTO_LBN 9 +#define MC_CMD_FILTER_OP_IN_MATCH_IP_PROTO_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_FWDEF0_LBN 10 +#define MC_CMD_FILTER_OP_IN_MATCH_FWDEF0_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_FWDEF1_LBN 11 +#define MC_CMD_FILTER_OP_IN_MATCH_FWDEF1_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_MCAST_DST_LBN 30 +#define MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_MCAST_DST_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_UCAST_DST_LBN 31 +#define MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_UCAST_DST_WIDTH 1 +/* receive destination */ +#define MC_CMD_FILTER_OP_IN_RX_DEST_OFST 20 +/* enum: drop packets */ +#define MC_CMD_FILTER_OP_IN_RX_DEST_DROP 0x0 +/* enum: receive to host */ +#define MC_CMD_FILTER_OP_IN_RX_DEST_HOST 0x1 +/* enum: receive to MC */ +#define MC_CMD_FILTER_OP_IN_RX_DEST_MC 0x2 +/* enum: loop back to TXDP 0 */ +#define MC_CMD_FILTER_OP_IN_RX_DEST_TX0 0x3 +/* enum: loop back to TXDP 1 */ +#define MC_CMD_FILTER_OP_IN_RX_DEST_TX1 0x4 +/* receive queue handle (for multiple queue modes, this is the base queue) */ +#define MC_CMD_FILTER_OP_IN_RX_QUEUE_OFST 24 +/* receive mode */ +#define MC_CMD_FILTER_OP_IN_RX_MODE_OFST 28 +/* enum: receive to just the specified queue */ +#define MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE 0x0 +/* enum: receive to multiple queues using RSS context */ +#define MC_CMD_FILTER_OP_IN_RX_MODE_RSS 0x1 +/* enum: receive to multiple queues using .1p mapping */ +#define MC_CMD_FILTER_OP_IN_RX_MODE_DOT1P_MAPPING 0x2 +/* enum: install a filter entry that will never match; for test purposes only + */ +#define MC_CMD_FILTER_OP_IN_RX_MODE_TEST_NEVER_MATCH 0x80000000 +/* RSS context (for RX_MODE_RSS) or .1p mapping handle (for + * RX_MODE_DOT1P_MAPPING), as returned by MC_CMD_RSS_CONTEXT_ALLOC or + * MC_CMD_DOT1P_MAPPING_ALLOC. + */ +#define MC_CMD_FILTER_OP_IN_RX_CONTEXT_OFST 32 +/* transmit domain (reserved; set to 0) */ +#define MC_CMD_FILTER_OP_IN_TX_DOMAIN_OFST 36 +/* transmit destination (either set the MAC and/or PM bits for explicit + * control, or set this field to TX_DEST_DEFAULT for sensible default + * behaviour) + */ +#define MC_CMD_FILTER_OP_IN_TX_DEST_OFST 40 +/* enum: request default behaviour (based on filter type) */ +#define MC_CMD_FILTER_OP_IN_TX_DEST_DEFAULT 0xffffffff +#define MC_CMD_FILTER_OP_IN_TX_DEST_MAC_LBN 0 +#define MC_CMD_FILTER_OP_IN_TX_DEST_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_IN_TX_DEST_PM_LBN 1 +#define MC_CMD_FILTER_OP_IN_TX_DEST_PM_WIDTH 1 +/* source MAC address to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_IN_SRC_MAC_OFST 44 +#define MC_CMD_FILTER_OP_IN_SRC_MAC_LEN 6 +/* source port to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_IN_SRC_PORT_OFST 50 +#define MC_CMD_FILTER_OP_IN_SRC_PORT_LEN 2 +/* destination MAC address to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_IN_DST_MAC_OFST 52 +#define MC_CMD_FILTER_OP_IN_DST_MAC_LEN 6 +/* destination port to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_IN_DST_PORT_OFST 58 +#define MC_CMD_FILTER_OP_IN_DST_PORT_LEN 2 +/* Ethernet type to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_IN_ETHER_TYPE_OFST 60 +#define MC_CMD_FILTER_OP_IN_ETHER_TYPE_LEN 2 +/* Inner VLAN tag to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_IN_INNER_VLAN_OFST 62 +#define MC_CMD_FILTER_OP_IN_INNER_VLAN_LEN 2 +/* Outer VLAN tag to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_IN_OUTER_VLAN_OFST 64 +#define MC_CMD_FILTER_OP_IN_OUTER_VLAN_LEN 2 +/* IP protocol to match (in low byte; set high byte to 0) */ +#define MC_CMD_FILTER_OP_IN_IP_PROTO_OFST 66 +#define MC_CMD_FILTER_OP_IN_IP_PROTO_LEN 2 +/* Firmware defined register 0 to match (reserved; set to 0) */ +#define MC_CMD_FILTER_OP_IN_FWDEF0_OFST 68 +/* Firmware defined register 1 to match (reserved; set to 0) */ +#define MC_CMD_FILTER_OP_IN_FWDEF1_OFST 72 +/* source IP address to match (as bytes in network order; set last 12 bytes to + * 0 for IPv4 address) + */ +#define MC_CMD_FILTER_OP_IN_SRC_IP_OFST 76 +#define MC_CMD_FILTER_OP_IN_SRC_IP_LEN 16 +/* destination IP address to match (as bytes in network order; set last 12 + * bytes to 0 for IPv4 address) + */ +#define MC_CMD_FILTER_OP_IN_DST_IP_OFST 92 +#define MC_CMD_FILTER_OP_IN_DST_IP_LEN 16 + +/* MC_CMD_FILTER_OP_EXT_IN msgrequest: Extension to MC_CMD_FILTER_OP_IN to + * include handling of VXLAN/NVGRE encapsulated frame filtering (which is + * supported on Medford only). + */ +#define MC_CMD_FILTER_OP_EXT_IN_LEN 172 +/* identifies the type of operation requested */ +#define MC_CMD_FILTER_OP_EXT_IN_OP_OFST 0 +/* Enum values, see field(s): */ +/* MC_CMD_FILTER_OP_IN/OP */ +/* filter handle (for remove / unsubscribe operations) */ +#define MC_CMD_FILTER_OP_EXT_IN_HANDLE_OFST 4 +#define MC_CMD_FILTER_OP_EXT_IN_HANDLE_LEN 8 +#define MC_CMD_FILTER_OP_EXT_IN_HANDLE_LO_OFST 4 +#define MC_CMD_FILTER_OP_EXT_IN_HANDLE_HI_OFST 8 +/* The port ID associated with the v-adaptor which should contain this filter. + */ +#define MC_CMD_FILTER_OP_EXT_IN_PORT_ID_OFST 12 +/* fields to include in match criteria */ +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_FIELDS_OFST 16 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_SRC_IP_LBN 0 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_SRC_IP_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_DST_IP_LBN 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_DST_IP_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_SRC_MAC_LBN 2 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_SRC_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_SRC_PORT_LBN 3 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_SRC_PORT_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_DST_MAC_LBN 4 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_DST_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_DST_PORT_LBN 5 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_DST_PORT_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_ETHER_TYPE_LBN 6 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_ETHER_TYPE_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_INNER_VLAN_LBN 7 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_INNER_VLAN_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_OUTER_VLAN_LBN 8 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_OUTER_VLAN_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IP_PROTO_LBN 9 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IP_PROTO_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_FWDEF0_LBN 10 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_FWDEF0_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_VNI_OR_VSID_LBN 11 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_VNI_OR_VSID_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_SRC_IP_LBN 12 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_SRC_IP_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_DST_IP_LBN 13 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_DST_IP_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_SRC_MAC_LBN 14 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_SRC_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_SRC_PORT_LBN 15 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_SRC_PORT_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_DST_MAC_LBN 16 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_DST_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_DST_PORT_LBN 17 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_DST_PORT_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_ETHER_TYPE_LBN 18 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_ETHER_TYPE_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_INNER_VLAN_LBN 19 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_INNER_VLAN_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_OUTER_VLAN_LBN 20 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_OUTER_VLAN_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_IP_PROTO_LBN 21 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_IP_PROTO_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_FWDEF0_LBN 22 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_FWDEF0_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_FWDEF1_LBN 23 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_FWDEF1_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_MCAST_DST_LBN 24 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_MCAST_DST_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_UCAST_DST_LBN 25 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_UCAST_DST_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_MCAST_DST_LBN 30 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_MCAST_DST_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_UCAST_DST_LBN 31 +#define MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_UCAST_DST_WIDTH 1 +/* receive destination */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_DEST_OFST 20 +/* enum: drop packets */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_DEST_DROP 0x0 +/* enum: receive to host */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_DEST_HOST 0x1 +/* enum: receive to MC */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_DEST_MC 0x2 +/* enum: loop back to TXDP 0 */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_DEST_TX0 0x3 +/* enum: loop back to TXDP 1 */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_DEST_TX1 0x4 +/* receive queue handle (for multiple queue modes, this is the base queue) */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_QUEUE_OFST 24 +/* receive mode */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_MODE_OFST 28 +/* enum: receive to just the specified queue */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_MODE_SIMPLE 0x0 +/* enum: receive to multiple queues using RSS context */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_MODE_RSS 0x1 +/* enum: receive to multiple queues using .1p mapping */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_MODE_DOT1P_MAPPING 0x2 +/* enum: install a filter entry that will never match; for test purposes only + */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_MODE_TEST_NEVER_MATCH 0x80000000 +/* RSS context (for RX_MODE_RSS) or .1p mapping handle (for + * RX_MODE_DOT1P_MAPPING), as returned by MC_CMD_RSS_CONTEXT_ALLOC or + * MC_CMD_DOT1P_MAPPING_ALLOC. + */ +#define MC_CMD_FILTER_OP_EXT_IN_RX_CONTEXT_OFST 32 +/* transmit domain (reserved; set to 0) */ +#define MC_CMD_FILTER_OP_EXT_IN_TX_DOMAIN_OFST 36 +/* transmit destination (either set the MAC and/or PM bits for explicit + * control, or set this field to TX_DEST_DEFAULT for sensible default + * behaviour) + */ +#define MC_CMD_FILTER_OP_EXT_IN_TX_DEST_OFST 40 +/* enum: request default behaviour (based on filter type) */ +#define MC_CMD_FILTER_OP_EXT_IN_TX_DEST_DEFAULT 0xffffffff +#define MC_CMD_FILTER_OP_EXT_IN_TX_DEST_MAC_LBN 0 +#define MC_CMD_FILTER_OP_EXT_IN_TX_DEST_MAC_WIDTH 1 +#define MC_CMD_FILTER_OP_EXT_IN_TX_DEST_PM_LBN 1 +#define MC_CMD_FILTER_OP_EXT_IN_TX_DEST_PM_WIDTH 1 +/* source MAC address to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_SRC_MAC_OFST 44 +#define MC_CMD_FILTER_OP_EXT_IN_SRC_MAC_LEN 6 +/* source port to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_SRC_PORT_OFST 50 +#define MC_CMD_FILTER_OP_EXT_IN_SRC_PORT_LEN 2 +/* destination MAC address to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_DST_MAC_OFST 52 +#define MC_CMD_FILTER_OP_EXT_IN_DST_MAC_LEN 6 +/* destination port to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_DST_PORT_OFST 58 +#define MC_CMD_FILTER_OP_EXT_IN_DST_PORT_LEN 2 +/* Ethernet type to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_ETHER_TYPE_OFST 60 +#define MC_CMD_FILTER_OP_EXT_IN_ETHER_TYPE_LEN 2 +/* Inner VLAN tag to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_INNER_VLAN_OFST 62 +#define MC_CMD_FILTER_OP_EXT_IN_INNER_VLAN_LEN 2 +/* Outer VLAN tag to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_OUTER_VLAN_OFST 64 +#define MC_CMD_FILTER_OP_EXT_IN_OUTER_VLAN_LEN 2 +/* IP protocol to match (in low byte; set high byte to 0) */ +#define MC_CMD_FILTER_OP_EXT_IN_IP_PROTO_OFST 66 +#define MC_CMD_FILTER_OP_EXT_IN_IP_PROTO_LEN 2 +/* Firmware defined register 0 to match (reserved; set to 0) */ +#define MC_CMD_FILTER_OP_EXT_IN_FWDEF0_OFST 68 +/* VNI (for VXLAN/Geneve, when IP protocol is UDP) or VSID (for NVGRE, when IP + * protocol is GRE) to match (as bytes in network order; set last byte to 0 for + * VXLAN/NVGRE, or 1 for Geneve) + */ +#define MC_CMD_FILTER_OP_EXT_IN_VNI_OR_VSID_OFST 72 +#define MC_CMD_FILTER_OP_EXT_IN_VNI_VALUE_LBN 0 +#define MC_CMD_FILTER_OP_EXT_IN_VNI_VALUE_WIDTH 24 +#define MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_LBN 24 +#define MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_WIDTH 8 +/* enum: Match VXLAN traffic with this VNI */ +#define MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_VXLAN 0x0 +/* enum: Match Geneve traffic with this VNI */ +#define MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_GENEVE 0x1 +/* enum: Reserved for experimental development use */ +#define MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_EXPERIMENTAL 0xfe +#define MC_CMD_FILTER_OP_EXT_IN_VSID_VALUE_LBN 0 +#define MC_CMD_FILTER_OP_EXT_IN_VSID_VALUE_WIDTH 24 +#define MC_CMD_FILTER_OP_EXT_IN_VSID_TYPE_LBN 24 +#define MC_CMD_FILTER_OP_EXT_IN_VSID_TYPE_WIDTH 8 +/* enum: Match NVGRE traffic with this VSID */ +#define MC_CMD_FILTER_OP_EXT_IN_VSID_TYPE_NVGRE 0x0 +/* source IP address to match (as bytes in network order; set last 12 bytes to + * 0 for IPv4 address) + */ +#define MC_CMD_FILTER_OP_EXT_IN_SRC_IP_OFST 76 +#define MC_CMD_FILTER_OP_EXT_IN_SRC_IP_LEN 16 +/* destination IP address to match (as bytes in network order; set last 12 + * bytes to 0 for IPv4 address) + */ +#define MC_CMD_FILTER_OP_EXT_IN_DST_IP_OFST 92 +#define MC_CMD_FILTER_OP_EXT_IN_DST_IP_LEN 16 +/* VXLAN/NVGRE inner frame source MAC address to match (as bytes in network + * order) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_SRC_MAC_OFST 108 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_SRC_MAC_LEN 6 +/* VXLAN/NVGRE inner frame source port to match (as bytes in network order) */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_SRC_PORT_OFST 114 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_SRC_PORT_LEN 2 +/* VXLAN/NVGRE inner frame destination MAC address to match (as bytes in + * network order) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_DST_MAC_OFST 116 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_DST_MAC_LEN 6 +/* VXLAN/NVGRE inner frame destination port to match (as bytes in network + * order) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_DST_PORT_OFST 122 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_DST_PORT_LEN 2 +/* VXLAN/NVGRE inner frame Ethernet type to match (as bytes in network order) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_ETHER_TYPE_OFST 124 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_ETHER_TYPE_LEN 2 +/* VXLAN/NVGRE inner frame Inner VLAN tag to match (as bytes in network order) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_INNER_VLAN_OFST 126 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_INNER_VLAN_LEN 2 +/* VXLAN/NVGRE inner frame Outer VLAN tag to match (as bytes in network order) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_OUTER_VLAN_OFST 128 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_OUTER_VLAN_LEN 2 +/* VXLAN/NVGRE inner frame IP protocol to match (in low byte; set high byte to + * 0) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_IP_PROTO_OFST 130 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_IP_PROTO_LEN 2 +/* VXLAN/NVGRE inner frame Firmware defined register 0 to match (reserved; set + * to 0) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_FWDEF0_OFST 132 +/* VXLAN/NVGRE inner frame Firmware defined register 1 to match (reserved; set + * to 0) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_FWDEF1_OFST 136 +/* VXLAN/NVGRE inner frame source IP address to match (as bytes in network + * order; set last 12 bytes to 0 for IPv4 address) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_SRC_IP_OFST 140 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_SRC_IP_LEN 16 +/* VXLAN/NVGRE inner frame destination IP address to match (as bytes in network + * order; set last 12 bytes to 0 for IPv4 address) + */ +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_DST_IP_OFST 156 +#define MC_CMD_FILTER_OP_EXT_IN_IFRM_DST_IP_LEN 16 + +/* MC_CMD_FILTER_OP_OUT msgresponse */ +#define MC_CMD_FILTER_OP_OUT_LEN 12 +/* identifies the type of operation requested */ +#define MC_CMD_FILTER_OP_OUT_OP_OFST 0 +/* Enum values, see field(s): */ +/* MC_CMD_FILTER_OP_IN/OP */ +/* Returned filter handle (for insert / subscribe operations). Note that these + * handles should be considered opaque to the host, although a value of + * 0xFFFFFFFF_FFFFFFFF is guaranteed never to be a valid handle. + */ +#define MC_CMD_FILTER_OP_OUT_HANDLE_OFST 4 +#define MC_CMD_FILTER_OP_OUT_HANDLE_LEN 8 +#define MC_CMD_FILTER_OP_OUT_HANDLE_LO_OFST 4 +#define MC_CMD_FILTER_OP_OUT_HANDLE_HI_OFST 8 +/* enum: guaranteed invalid filter handle (low 32 bits) */ +#define MC_CMD_FILTER_OP_OUT_HANDLE_LO_INVALID 0xffffffff +/* enum: guaranteed invalid filter handle (high 32 bits) */ +#define MC_CMD_FILTER_OP_OUT_HANDLE_HI_INVALID 0xffffffff + +/* MC_CMD_FILTER_OP_EXT_OUT msgresponse */ +#define MC_CMD_FILTER_OP_EXT_OUT_LEN 12 +/* identifies the type of operation requested */ +#define MC_CMD_FILTER_OP_EXT_OUT_OP_OFST 0 +/* Enum values, see field(s): */ +/* MC_CMD_FILTER_OP_EXT_IN/OP */ +/* Returned filter handle (for insert / subscribe operations). Note that these + * handles should be considered opaque to the host, although a value of + * 0xFFFFFFFF_FFFFFFFF is guaranteed never to be a valid handle. + */ +#define MC_CMD_FILTER_OP_EXT_OUT_HANDLE_OFST 4 +#define MC_CMD_FILTER_OP_EXT_OUT_HANDLE_LEN 8 +#define MC_CMD_FILTER_OP_EXT_OUT_HANDLE_LO_OFST 4 +#define MC_CMD_FILTER_OP_EXT_OUT_HANDLE_HI_OFST 8 +/* Enum values, see field(s): */ +/* MC_CMD_FILTER_OP_OUT/HANDLE */ + + +/***********************************/ +/* MC_CMD_ALLOC_VIS + * Allocate VIs for current PCI function. + */ +#define MC_CMD_ALLOC_VIS 0x8b +#undef MC_CMD_0x8b_PRIVILEGE_CTG + +#define MC_CMD_0x8b_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_ALLOC_VIS_IN msgrequest */ +#define MC_CMD_ALLOC_VIS_IN_LEN 8 +/* The minimum number of VIs that is acceptable */ +#define MC_CMD_ALLOC_VIS_IN_MIN_VI_COUNT_OFST 0 +/* The maximum number of VIs that would be useful */ +#define MC_CMD_ALLOC_VIS_IN_MAX_VI_COUNT_OFST 4 + +/* MC_CMD_ALLOC_VIS_OUT msgresponse: Huntington-compatible VI_ALLOC request. + * Use extended version in new code. + */ +#define MC_CMD_ALLOC_VIS_OUT_LEN 8 +/* The number of VIs allocated on this function */ +#define MC_CMD_ALLOC_VIS_OUT_VI_COUNT_OFST 0 +/* The base absolute VI number allocated to this function. Required to + * correctly interpret wakeup events. + */ +#define MC_CMD_ALLOC_VIS_OUT_VI_BASE_OFST 4 + +/* MC_CMD_ALLOC_VIS_EXT_OUT msgresponse */ +#define MC_CMD_ALLOC_VIS_EXT_OUT_LEN 12 +/* The number of VIs allocated on this function */ +#define MC_CMD_ALLOC_VIS_EXT_OUT_VI_COUNT_OFST 0 +/* The base absolute VI number allocated to this function. Required to + * correctly interpret wakeup events. + */ +#define MC_CMD_ALLOC_VIS_EXT_OUT_VI_BASE_OFST 4 +/* Function's port vi_shift value (always 0 on Huntington) */ +#define MC_CMD_ALLOC_VIS_EXT_OUT_VI_SHIFT_OFST 8 + + +/***********************************/ +/* MC_CMD_FREE_VIS + * Free VIs for current PCI function. Any linked PIO buffers will be unlinked, + * but not freed. + */ +#define MC_CMD_FREE_VIS 0x8c +#undef MC_CMD_0x8c_PRIVILEGE_CTG + +#define MC_CMD_0x8c_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_FREE_VIS_IN msgrequest */ +#define MC_CMD_FREE_VIS_IN_LEN 0 + +/* MC_CMD_FREE_VIS_OUT msgresponse */ +#define MC_CMD_FREE_VIS_OUT_LEN 0 + + +/***********************************/ +/* MC_CMD_GET_PORT_ASSIGNMENT + * Get port assignment for current PCI function. + */ +#define MC_CMD_GET_PORT_ASSIGNMENT 0xb8 +#undef MC_CMD_0xb8_PRIVILEGE_CTG + +#define MC_CMD_0xb8_PRIVILEGE_CTG SRIOV_CTG_GENERAL + +/* MC_CMD_GET_PORT_ASSIGNMENT_IN msgrequest */ +#define MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN 0 + +/* MC_CMD_GET_PORT_ASSIGNMENT_OUT msgresponse */ +#define MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN 4 +/* Identifies the port assignment for this function. */ +#define MC_CMD_GET_PORT_ASSIGNMENT_OUT_PORT_OFST 0 + + +/***********************************/ +/* MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS + * Configure UDP ports for tunnel encapsulation hardware acceleration. The + * parser-dispatcher will attempt to parse traffic on these ports as tunnel + * encapsulation PDUs and filter them using the tunnel encapsulation filter + * chain rather than the standard filter chain. Note that this command can + * cause all functions to see a reset. (Available on Medford only.) + */ +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS 0x117 +#undef MC_CMD_0x117_PRIVILEGE_CTG + +#define MC_CMD_0x117_PRIVILEGE_CTG SRIOV_CTG_ADMIN + +/* MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN msgrequest */ +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_LENMIN 4 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_LENMAX 68 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_LEN(num) (4+4*(num)) +/* Flags */ +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_FLAGS_OFST 0 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_FLAGS_LEN 2 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_UNLOADING_LBN 0 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_UNLOADING_WIDTH 1 +/* The number of entries in the ENTRIES array */ +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_NUM_ENTRIES_OFST 2 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_NUM_ENTRIES_LEN 2 +/* Entries defining the UDP port to protocol mapping, each laid out as a + * TUNNEL_ENCAP_UDP_PORT_ENTRY + */ +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_ENTRIES_OFST 4 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_ENTRIES_LEN 4 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_ENTRIES_MINNUM 0 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_ENTRIES_MAXNUM 16 + +/* MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT msgresponse */ +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_LEN 2 +/* Flags */ +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_FLAGS_OFST 0 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_FLAGS_LEN 2 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_RESETTING_LBN 0 +#define MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_RESETTING_WIDTH 1 + + +#endif /* SFC_MCDI_PCOL_H */ diff --git a/src/drivers/net/sfc/mcdi.h b/src/drivers/net/sfc/mcdi.h new file mode 100644 index 00000000..19c62021 --- /dev/null +++ b/src/drivers/net/sfc/mcdi.h @@ -0,0 +1,164 @@ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * + * Written by Martin Habets <mhabets@solarflare.com> + * + * Copyright 2012-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + */ +#ifndef SFC_MCDI_H +#define SFC_MCDI_H + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#ifndef DIV_ROUND_UP +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) +#endif + +#define MCDI_SEQ_MASK 0xf + +/* We expect that 16- and 32-bit fields in MCDI requests and responses + * are appropriately aligned, but 64-bit fields are only + * 32-bit-aligned. Also, on Siena we must copy to the MC shared + * memory strictly 32 bits at a time, so add any necessary padding. + */ +#define MCDI_DECLARE_BUF(_name, _len) \ + efx_dword_t _name[DIV_ROUND_UP(_len, 4)] +#define MCDI_DECLARE_BUF_OUT_OR_ERR(_name, _len) \ + MCDI_DECLARE_BUF(_name, max_t(size_t, _len, 8)) +#define _MCDI_PTR(_buf, _offset) \ + ((u8 *)(_buf) + (_offset)) +#define MCDI_PTR(_buf, _field) \ + _MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST) +#define _MCDI_CHECK_ALIGN(_ofst, _align) \ + ((_ofst) + BUILD_BUG_ON_ZERO((_ofst) & (_align - 1))) +#define _MCDI_DWORD(_buf, _field) \ + ((_buf) + (_MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, 4) >> 2)) + +#define MCDI_WORD(_buf, _field) \ + ((u16)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \ + le16_to_cpu(*(__force const __le16 *)MCDI_PTR(_buf, _field))) +#define MCDI_SET_DWORD(_buf, _field, _value) \ + EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value) +#define MCDI_DWORD(_buf, _field) \ + EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0) +#define MCDI_POPULATE_DWORD_1(_buf, _field, _name1, _value1) \ + EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), \ + MC_CMD_ ## _name1, _value1) +#define MCDI_POPULATE_DWORD_2(_buf, _field, _name1, _value1, \ + _name2, _value2) \ + EFX_POPULATE_DWORD_2(*_MCDI_DWORD(_buf, _field), \ + MC_CMD_ ## _name1, _value1, \ + MC_CMD_ ## _name2, _value2) +#define MCDI_POPULATE_DWORD_3(_buf, _field, _name1, _value1, \ + _name2, _value2, _name3, _value3) \ + EFX_POPULATE_DWORD_3(*_MCDI_DWORD(_buf, _field), \ + MC_CMD_ ## _name1, _value1, \ + MC_CMD_ ## _name2, _value2, \ + MC_CMD_ ## _name3, _value3) +#define MCDI_POPULATE_DWORD_4(_buf, _field, _name1, _value1, \ + _name2, _value2, _name3, _value3, \ + _name4, _value4) \ + EFX_POPULATE_DWORD_4(*_MCDI_DWORD(_buf, _field), \ + MC_CMD_ ## _name1, _value1, \ + MC_CMD_ ## _name2, _value2, \ + MC_CMD_ ## _name3, _value3, \ + MC_CMD_ ## _name4, _value4) +#define MCDI_POPULATE_DWORD_5(_buf, _field, _name1, _value1, \ + _name2, _value2, _name3, _value3, \ + _name4, _value4, _name5, _value5) \ + EFX_POPULATE_DWORD_5(*_MCDI_DWORD(_buf, _field), \ + MC_CMD_ ## _name1, _value1, \ + MC_CMD_ ## _name2, _value2, \ + MC_CMD_ ## _name3, _value3, \ + MC_CMD_ ## _name4, _value4, \ + MC_CMD_ ## _name5, _value5) +#define MCDI_POPULATE_DWORD_6(_buf, _field, _name1, _value1, \ + _name2, _value2, _name3, _value3, \ + _name4, _value4, _name5, _value5, \ + _name6, _value6) \ + EFX_POPULATE_DWORD_6(*_MCDI_DWORD(_buf, _field), \ + MC_CMD_ ## _name1, _value1, \ + MC_CMD_ ## _name2, _value2, \ + MC_CMD_ ## _name3, _value3, \ + MC_CMD_ ## _name4, _value4, \ + MC_CMD_ ## _name5, _value5, \ + MC_CMD_ ## _name6, _value6) +#define MCDI_POPULATE_DWORD_7(_buf, _field, _name1, _value1, \ + _name2, _value2, _name3, _value3, \ + _name4, _value4, _name5, _value5, \ + _name6, _value6, _name7, _value7) \ + EFX_POPULATE_DWORD_7(*_MCDI_DWORD(_buf, _field), \ + MC_CMD_ ## _name1, _value1, \ + MC_CMD_ ## _name2, _value2, \ + MC_CMD_ ## _name3, _value3, \ + MC_CMD_ ## _name4, _value4, \ + MC_CMD_ ## _name5, _value5, \ + MC_CMD_ ## _name6, _value6, \ + MC_CMD_ ## _name7, _value7) +#define MCDI_SET_QWORD(_buf, _field, _value) \ + do { \ + EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[0], \ + EFX_DWORD_0, (u32)(_value)); \ + EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[1], \ + EFX_DWORD_0, (u64)(_value) >> 32); \ + } while (0) +#define MCDI_QWORD(_buf, _field) \ + (EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[0], EFX_DWORD_0) | \ + (u64)EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[1], EFX_DWORD_0) << 32) +#define MCDI_FIELD(_ptr, _type, _field) \ + EFX_EXTRACT_DWORD( \ + *(efx_dword_t *) \ + _MCDI_PTR(_ptr, MC_CMD_ ## _type ## _ ## _field ## _OFST & ~3),\ + MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f, \ + (MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f) + \ + MC_CMD_ ## _type ## _ ## _field ## _WIDTH - 1) + +#define _MCDI_ARRAY_PTR(_buf, _field, _index, _align) \ + (_MCDI_PTR(_buf, _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, _align))\ + + (_index) * _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _LEN, _align)) +#define MCDI_DECLARE_STRUCT_PTR(_name) \ + efx_dword_t *_name +#define MCDI_ARRAY_STRUCT_PTR(_buf, _field, _index) \ + ((efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4)) +#define MCDI_VAR_ARRAY_LEN(_len, _field) \ + min_t(size_t, MC_CMD_ ## _field ## _MAXNUM, \ + ((_len) - MC_CMD_ ## _field ## _OFST) / MC_CMD_ ## _field ## _LEN) +#define MCDI_ARRAY_WORD(_buf, _field, _index) \ + (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \ + le16_to_cpu(*(__force const __le16 *) \ + _MCDI_ARRAY_PTR(_buf, _field, _index, 2))) +#define _MCDI_ARRAY_DWORD(_buf, _field, _index) \ + (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 4) + \ + (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4)) +#define MCDI_SET_ARRAY_DWORD(_buf, _field, _index, _value) \ + EFX_SET_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), \ + EFX_DWORD_0, _value) +#define MCDI_ARRAY_DWORD(_buf, _field, _index) \ + EFX_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), EFX_DWORD_0) +#define _MCDI_ARRAY_QWORD(_buf, _field, _index) \ + (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 8) + \ + (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4)) +#define MCDI_SET_ARRAY_QWORD(_buf, _field, _index, _value) \ + do { \ + EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[0],\ + EFX_DWORD_0, (u32)(_value)); \ + EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[1],\ + EFX_DWORD_0, (u64)(_value) >> 32); \ + } while (0) +#define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \ + MCDI_FIELD(MCDI_ARRAY_STRUCT_PTR(_buf, _field1, _index), \ + _type ## _TYPEDEF, _field2) + +#define MCDI_EVENT_FIELD(_ev, _field) \ + EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field) + +#endif diff --git a/src/drivers/net/sfc/sfc_hunt.c b/src/drivers/net/sfc/sfc_hunt.c new file mode 100644 index 00000000..25780ffd --- /dev/null +++ b/src/drivers/net/sfc/sfc_hunt.c @@ -0,0 +1,1324 @@ +/************************************************************************** + * + * Device driver for Solarflare Communications EF10 devices + * + * Written by Shradha Shah <sshah@solarflare.com> + * + * Copyright 2012-2017 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + * + ***************************************************************************/ +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <byteswap.h> +#include <ipxe/io.h> +#include <ipxe/pci.h> +#include <ipxe/malloc.h> +#include <ipxe/ethernet.h> +#include <ipxe/iobuf.h> +#include <ipxe/netdevice.h> +#include "efx_hunt.h" +#include "efx_bitfield.h" +#include "ef10_regs.h" +#include "mc_driver_pcol.h" +#include <ipxe/if_ether.h> + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#define HUNTINGTON_NVRAM_CHUNK 0x80 +#define HUNTINGTON_NVS_MAX_LENGTH 0x1000 + +#define EMCDI_IO(code) EUNIQ(EINFO_EIO, (code)) + +#ifndef MIN +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif +#ifndef MAX +#define MAX(_a, _b) ((_a) > (_b) ? (_a) : (_b)) +#endif + +struct hunt_nic *primary_nics = NULL; + +struct hunt_nic { + struct efx_nic efx; + + /* PHY information */ + unsigned int phy_cap_mask; + unsigned int phy_cap; + unsigned long link_poll_timer; + + /* resource housekeeping */ + uint64_t uc_filter_id; + uint64_t mc_filter_id; + u8 mac[ETH_ALEN]; + + struct { + /* Common payload for all MCDI requests */ + unsigned int seqno; + + size_t resp_hdr_len; + size_t resp_data_len; + + struct io_buffer *iob; + uint64_t dma_addr; + } mcdi; + + struct hunt_nic *primary; + struct hunt_nic *next_primary; + u32 flags; +}; + +static int hunt_nic_is_primary(struct hunt_nic *hunt) +{ + return (hunt->flags & (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY)); +} + +/******************************************************************************* + * + * + * MCDI transport + * + * This has been based on the implementation of MCDI in the common code driver. + * + * + ******************************************************************************/ + +static int hunt_mcdi_init(struct hunt_nic *hunt) +{ + size_t max_msg_size; + int rc; + + /* The MCDI message has two 32-bit headers (the MCDI header and the + * MCDI v2 extended command) and then up to MCDI_CTL_SDU_LEN_MAX_V2 + * bytes of payload + */ + max_msg_size = 2 * sizeof(efx_dword_t) + MCDI_CTL_SDU_LEN_MAX_V2; + + hunt->mcdi.iob = alloc_iob(max_msg_size); + if (!hunt->mcdi.iob) { + rc = -ENOMEM; + return rc; + } + return 0; +} + +static void hunt_mcdi_copyin(struct hunt_nic *hunt, + unsigned int cmd, + uint8_t *inbuf, + size_t inlen) +{ + efx_dword_t hdr[2]; + uint32_t seqno; + unsigned int xflags; + size_t hdr_len; + u8 *pdu = hunt->mcdi.iob->data; + + seqno = hunt->mcdi.seqno & MCDI_SEQ_MASK; + + xflags = 0; + + EFX_POPULATE_DWORD_7(hdr[0], + MCDI_HEADER_CODE, MC_CMD_V2_EXTN, + MCDI_HEADER_RESYNC, 1, + MCDI_HEADER_DATALEN, 0, + MCDI_HEADER_SEQ, seqno, + MCDI_HEADER_ERROR, 0, + MCDI_HEADER_RESPONSE, 0, + MCDI_HEADER_XFLAGS, xflags); + EFX_POPULATE_DWORD_2(hdr[1], + MC_CMD_V2_EXTN_IN_EXTENDED_CMD, cmd, + MC_CMD_V2_EXTN_IN_ACTUAL_LEN, inlen); + + hdr_len = sizeof(hdr); + + memcpy(pdu, &hdr, hdr_len); + memcpy(pdu + hdr_len, inbuf, inlen); + + wmb(); /* Sync the data before ringing the doorbell */ + + /* Ring the doorbell to post the command DMA address to the MC */ + hunt->mcdi.dma_addr = virt_to_bus(hunt->mcdi.iob->data); + + assert((hunt->mcdi.dma_addr & 0xFF) == 0); + + _efx_writel(&hunt->efx, + cpu_to_le32((u64)hunt->mcdi.dma_addr >> 32), + ER_DZ_MC_DB_LWRD); + + _efx_writel(&hunt->efx, + cpu_to_le32((u32)hunt->mcdi.dma_addr), + ER_DZ_MC_DB_HWRD); +} + +static void hunt_mcdi_copyout(struct hunt_nic *hunt, + uint8_t *outbuf, size_t outlen) +{ + size_t offset; + const u8 *pdu = hunt->mcdi.iob->data; + + offset = hunt->mcdi.resp_hdr_len; + + if (outlen > 0) + memcpy(outbuf, pdu+offset, outlen); +} + +static int hunt_mcdi_request_poll(struct hunt_nic *hunt, bool quiet) +{ + unsigned int resplen, respseq, error; + unsigned long finish; + efx_dword_t errdword; + efx_qword_t qword; + const efx_dword_t *pdu = hunt->mcdi.iob->data; + const u8 *pdu1 = hunt->mcdi.iob->data; + int delay, rc; + + /* Spin for up to 5s, polling at intervals of 10us, 20us, ... ~100ms */ + finish = currticks() + (5 * TICKS_PER_SEC); + delay = 10; + while (1) { + udelay(delay); + + /* Check for an MCDI response */ + if (EFX_DWORD_FIELD(*pdu, MCDI_HEADER_RESPONSE)) + break; + + if (currticks() >= finish) + return -ETIMEDOUT; + + if (delay < 100000) + delay *= 2; + } + + memcpy(&qword, pdu1, 8); + + /* qword.dword[0] is the MCDI header; qword.dword[1] is the MCDI v2 + * extended command + */ + respseq = EFX_DWORD_FIELD(qword.dword[0], MCDI_HEADER_SEQ); + error = EFX_DWORD_FIELD(qword.dword[0], MCDI_HEADER_ERROR); + resplen = EFX_DWORD_FIELD(qword.dword[1], MC_CMD_V2_EXTN_IN_ACTUAL_LEN); + + if (error && resplen == 0) { + if (!quiet) + DBGC(hunt, "MC rebooted\n"); + return -EIO; + } else if ((respseq ^ hunt->mcdi.seqno) & MCDI_SEQ_MASK) { + if (!quiet) + DBGC(hunt, "MC response mismatch rxseq 0x%x txseq " + "0x%x\n", respseq, hunt->mcdi.seqno); + return -EIO; + } else if (error) { + memcpy(&errdword, pdu1 + 8, 4); + rc = EFX_DWORD_FIELD(errdword, EFX_DWORD_0); + switch (rc) { + case MC_CMD_ERR_ENOENT: + return -ENOENT; + case MC_CMD_ERR_EINTR: + return -EINTR; + case MC_CMD_ERR_EACCES: + return -EACCES; + case MC_CMD_ERR_EBUSY: + return -EBUSY; + case MC_CMD_ERR_EINVAL: + return -EINVAL; + case MC_CMD_ERR_EDEADLK: + return -EDEADLK; + case MC_CMD_ERR_ENOSYS: + return -ENOSYS; + case MC_CMD_ERR_ETIME: + return -ETIME; + case MC_CMD_ERR_EPERM: + return -EPERM; + default: + /* Return the MC error in an I/O error. */ + return EMCDI_IO(rc & 0xff); + } + } + hunt->mcdi.resp_hdr_len = 8; + hunt->mcdi.resp_data_len = resplen; + + return 0; +} + +static void hunt_mcdi_fini(struct hunt_nic *hunt) +{ + free_iob(hunt->mcdi.iob); +} + +int _hunt_mcdi(struct efx_nic *efx, unsigned int cmd, + const efx_dword_t *inbuf, size_t inlen, + efx_dword_t *outbuf, size_t outlen, + size_t *outlen_actual, bool quiet) +{ + int rc; + struct hunt_nic *hunt = (struct hunt_nic *) efx; + size_t local_outlen_actual; + + if (outlen_actual == NULL) + outlen_actual = &local_outlen_actual; + + ++hunt->mcdi.seqno; + hunt_mcdi_copyin(hunt, cmd, (uint8_t *) inbuf, inlen); + + rc = hunt_mcdi_request_poll(hunt, quiet); + if (rc != 0) { + if (!quiet) + DBGC(hunt, "MC response to cmd 0x%x: %s\n", + cmd, strerror(rc)); + return rc; + } + + *outlen_actual = hunt->mcdi.resp_data_len; + + hunt_mcdi_copyout(hunt, (uint8_t *) outbuf, outlen); + + return 0; +} + +static int hunt_mcdi(struct hunt_nic *hunt, struct efx_mcdi_req_s *req) +{ + return _hunt_mcdi(&hunt->efx, req->emr_cmd, + (const efx_dword_t *) req->emr_in_buf, + req->emr_in_length, + (efx_dword_t *) req->emr_out_buf, req->emr_out_length, + &req->emr_out_length_used, false); +} + +static int hunt_mcdi_quiet(struct hunt_nic *hunt, struct efx_mcdi_req_s *req) +{ + return _hunt_mcdi(&hunt->efx, req->emr_cmd, + (const efx_dword_t *) req->emr_in_buf, + req->emr_in_length, + (efx_dword_t *) req->emr_out_buf, req->emr_out_length, + &req->emr_out_length_used, true); +} + +/******************************************************************************* + * + * + * Hardware initialization + * + * + ******************************************************************************/ +static int hunt_get_workarounds(struct hunt_nic *hunt, uint32_t *implemented, + uint32_t *enabled) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_WORKAROUNDS_OUT_LEN); + int rc; + + *implemented = *enabled = 0; + + req.emr_cmd = MC_CMD_GET_WORKAROUNDS; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + rc = hunt_mcdi(hunt, &req); + + if (rc) + return rc; + + if (req.emr_out_length_used < MC_CMD_GET_WORKAROUNDS_OUT_LEN) + return -EMSGSIZE; + + *implemented = MCDI_DWORD(outbuf, GET_WORKAROUNDS_OUT_IMPLEMENTED); + *enabled = MCDI_DWORD(outbuf, GET_WORKAROUNDS_OUT_ENABLED); + return 0; +} + +static int hunt_enable_workaround_35388(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(payload, MC_CMD_WORKAROUND_IN_LEN); + + req.emr_cmd = MC_CMD_WORKAROUND; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_WORKAROUND_IN_LEN; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, WORKAROUND_IN_TYPE, + MC_CMD_WORKAROUND_BUG35388); + MCDI_SET_DWORD(req.emr_in_buf, WORKAROUND_IN_ENABLED, 1); + + /* If the firmware doesn't support this workaround, hunt_mcdi() will + * return -EINVAL from hunt_mcdi_request_poll(). + */ + return hunt_mcdi(hunt, &req); +} + +static int hunt_workaround_35388(struct hunt_nic *hunt) +{ + uint32_t implemented, enabled; + int rc = hunt_get_workarounds(hunt, &implemented, &enabled); + + if (rc < 0) + return 0; + if (!(implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG35388)) + return 0; + if (enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG35388) + return 1; + + rc = hunt_enable_workaround_35388(hunt); + if (rc == 0) + return 1; /* Workaround is enabled */ + else + return 0; +} + +static int hunt_get_port_assignment(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN); + int rc; + + req.emr_cmd = MC_CMD_GET_PORT_ASSIGNMENT; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + hunt->efx.port = MCDI_DWORD(req.emr_out_buf, + GET_PORT_ASSIGNMENT_OUT_PORT); + return 0; +} + +static int hunt_mac_addr(struct hunt_nic *hunt, uint8_t *ll_addr) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_MAC_ADDRESSES_OUT_LEN); + int rc; + + req.emr_cmd = MC_CMD_GET_MAC_ADDRESSES; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = outbuf; + req.emr_out_length = MC_CMD_GET_MAC_ADDRESSES_OUT_LEN; + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + if (req.emr_out_length_used < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN) + return -EMSGSIZE; + + memcpy(ll_addr, + MCDI_PTR(req.emr_out_buf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE), + ETH_ALEN); + + return 0; +} + +static int hunt_get_phy_cfg(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_CFG_OUT_LEN); + int rc; + + req.emr_cmd = MC_CMD_GET_PHY_CFG; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + if (req.emr_out_length_used < MC_CMD_GET_PHY_CFG_OUT_LEN) + return -EMSGSIZE; + + hunt->phy_cap_mask = hunt->phy_cap = + MCDI_DWORD(req.emr_out_buf, GET_PHY_CFG_OUT_SUPPORTED_CAP); + DBGC2(hunt, "GET_PHY_CFG: flags=%x, caps=%x\n", rc, hunt->phy_cap); + return 0; +} + +static int hunt_driver_attach(struct hunt_nic *hunt, int attach) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(inbuf, MC_CMD_DRV_ATTACH_IN_LEN); + MCDI_DECLARE_BUF(outbuf, MC_CMD_DRV_ATTACH_EXT_OUT_LEN); + int rc; + + req.emr_cmd = MC_CMD_DRV_ATTACH; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + /* Set the PREBOOT flag to indicate later instances of attach should + * force an ENTITY RESET + */ + if (attach) + attach |= 1 << MC_CMD_DRV_PREBOOT_LBN; + + MCDI_SET_DWORD(req.emr_in_buf, DRV_ATTACH_IN_NEW_STATE, attach); + MCDI_SET_DWORD(req.emr_in_buf, DRV_ATTACH_IN_UPDATE, 1); + MCDI_SET_DWORD(req.emr_in_buf, DRV_ATTACH_IN_FIRMWARE_ID, + MC_CMD_FW_DONT_CARE); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_OUT_LEN) + return -EMSGSIZE; + + hunt->flags = MCDI_DWORD(outbuf, DRV_ATTACH_EXT_OUT_FUNC_FLAGS); + + return 0; +} + +static int hunt_reset(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(inbuf, MC_CMD_ENTITY_RESET_IN_LEN); + + req.emr_cmd = MC_CMD_ENTITY_RESET; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_POPULATE_DWORD_1(req.emr_in_buf, ENTITY_RESET_IN_FLAG, + ENTITY_RESET_IN_FUNCTION_RESOURCE_RESET, 1); + return hunt_mcdi(hunt, &req); +} + +static void hunt_clear_udp_tunnel_ports(struct hunt_nic *hunt) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_LENMAX); + MCDI_DECLARE_BUF(outbuf, MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_LEN); + struct efx_mcdi_req_s req; + int rc; + + memset(inbuf, 0, MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_LENMAX); + MCDI_SET_DWORD(inbuf, SET_TUNNEL_ENCAP_UDP_PORTS_IN_FLAGS, + (1 << MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_UNLOADING_LBN)); + + req.emr_cmd = MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + rc = hunt_mcdi_quiet(hunt, &req); + if (rc) + return; + + if (MCDI_DWORD(outbuf, SET_TUNNEL_ENCAP_UDP_PORTS_OUT_FLAGS) & + (1 << MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_RESETTING_LBN)) { + DBGC(hunt, + "Rebooting MC due to clearing UDP tunnel port list\n"); + /* Delay for the MC reboot to complete. */ + mdelay(100); + } +} + +static int hunt_set_mac(struct hunt_nic *hunt) +{ + struct net_device *netdev = hunt->efx.netdev; + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(payload, MC_CMD_SET_MAC_IN_LEN); + unsigned int fcntl; + int rc; + + req.emr_cmd = MC_CMD_SET_MAC; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_SET_MAC_IN_LEN; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, SET_MAC_IN_MTU, + EFX_MAC_FRAME_LEN(ETH_FRAME_LEN)); + MCDI_SET_DWORD(req.emr_in_buf, SET_MAC_IN_DRAIN, 0); + memcpy(MCDI_PTR(req.emr_in_buf, SET_MAC_IN_ADDR), + netdev->ll_addr, ETH_ALEN); + MCDI_SET_DWORD(req.emr_in_buf, SET_MAC_IN_REJECT, 0); + + /* If the PHY supports autnegotiation, then configure the MAC to match + * the negotiated settings. Otherwise force the MAC to TX and RX flow + * control. + */ + if (hunt->phy_cap_mask & (1 << MC_CMD_PHY_CAP_AN_LBN)) + fcntl = MC_CMD_FCNTL_AUTO; + else + fcntl = MC_CMD_FCNTL_BIDIR; + MCDI_SET_DWORD(req.emr_in_buf, SET_MAC_IN_FCNTL, fcntl); + + rc = hunt_mcdi(hunt, &req); + /* Ignore failure for permissions reasons */ + if (rc == -EPERM) + rc = 0; + return rc; +} + +static int hunt_alloc_vis(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(inbuf, MC_CMD_ALLOC_VIS_IN_LEN); + + req.emr_cmd = MC_CMD_ALLOC_VIS; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, ALLOC_VIS_IN_MIN_VI_COUNT, 1); + MCDI_SET_DWORD(req.emr_in_buf, ALLOC_VIS_IN_MAX_VI_COUNT, 1); + + return hunt_mcdi(hunt, &req); +} + +static void hunt_free_vis(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + int rc; + + req.emr_cmd = MC_CMD_FREE_VIS; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + DBGC(hunt, "MC_CMD_FREE_VIS Failed\n"); +} + +/******************************************************************************* + * + * + * Link state handling + * + * + ******************************************************************************/ +static int hunt_check_link(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); + unsigned int flags, speed; + bool up; + int rc; + static bool link_state = false; + + req.emr_cmd = MC_CMD_GET_LINK; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + if (req.emr_out_length_used < MC_CMD_GET_LINK_OUT_LEN) + return -EMSGSIZE; + + flags = MCDI_DWORD(req.emr_out_buf, GET_LINK_OUT_FLAGS); + up = !!(flags & (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN)); + speed = MCDI_DWORD(req.emr_out_buf, GET_LINK_OUT_LINK_SPEED); + + /* Set netdev_link_*() based on the link status from the MC */ + if (up && speed) + netdev_link_up(hunt->efx.netdev); + else + netdev_link_down(hunt->efx.netdev); + + if (up != link_state) { + DBGC(hunt, "Link %s, flags=%x, our caps=%x, lpa=%x, speed=%d, fcntl=%x, mac_fault=%x\n", + (up? "up": "down"), flags, + MCDI_DWORD(req.emr_out_buf, GET_LINK_OUT_CAP), + MCDI_DWORD(req.emr_out_buf, GET_LINK_OUT_LP_CAP), + speed, + MCDI_DWORD(req.emr_out_buf, GET_LINK_OUT_FCNTL), + MCDI_DWORD(req.emr_out_buf, GET_LINK_OUT_MAC_FAULT)); + link_state = up; + } + + return 0; +} + +#define MCDI_PORT_SPEED_CAPS ((1 << MC_CMD_PHY_CAP_10HDX_LBN) | \ + (1 << MC_CMD_PHY_CAP_10FDX_LBN) | \ + (1 << MC_CMD_PHY_CAP_100HDX_LBN) | \ + (1 << MC_CMD_PHY_CAP_100FDX_LBN) | \ + (1 << MC_CMD_PHY_CAP_1000HDX_LBN) | \ + (1 << MC_CMD_PHY_CAP_1000FDX_LBN) | \ + (1 << MC_CMD_PHY_CAP_10000FDX_LBN) | \ + (1 << MC_CMD_PHY_CAP_40000FDX_LBN)) + +/******************************************************************************* + * + * + * TX + * + * + ******************************************************************************/ +static int +hunt_tx_init(struct net_device *netdev, struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + dma_addr_t dma_addr; + efx_qword_t *addr; + MCDI_DECLARE_BUF(inbuf, + MC_CMD_INIT_TXQ_IN_LEN(EFX_TXQ_NBUFS(EFX_TXD_SIZE))); + int rc, npages; + + rc = efx_hunt_tx_init(netdev, &dma_addr); + if (rc != 0) + return rc; + + npages = EFX_TXQ_NBUFS(EFX_TXD_SIZE); + + req.emr_cmd = MC_CMD_INIT_TXQ; + req.emr_in_buf = inbuf; + req.emr_in_length = MC_CMD_INIT_TXQ_IN_LEN(npages); + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, INIT_TXQ_IN_SIZE, EFX_TXD_SIZE); + MCDI_SET_DWORD(req.emr_in_buf, INIT_TXQ_IN_TARGET_EVQ, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_TXQ_IN_LABEL, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_TXQ_IN_INSTANCE, 0); + + MCDI_POPULATE_DWORD_6(req.emr_in_buf, INIT_TXQ_IN_FLAGS, + INIT_TXQ_IN_FLAG_BUFF_MODE, 0, + INIT_TXQ_IN_FLAG_IP_CSUM_DIS, 1, + INIT_TXQ_IN_FLAG_TCP_CSUM_DIS, 1, + INIT_TXQ_IN_FLAG_TCP_UDP_ONLY, 0, + INIT_TXQ_IN_CRC_MODE, 0, + INIT_TXQ_IN_FLAG_TIMESTAMP, 0); + + MCDI_SET_DWORD(req.emr_in_buf, INIT_TXQ_IN_OWNER_ID, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_TXQ_IN_PORT_ID, + EVB_PORT_ID_ASSIGNED); + + addr = (efx_qword_t *) MCDI_PTR(req.emr_in_buf, INIT_TXQ_IN_DMA_ADDR); + + EFX_POPULATE_QWORD_2(*addr, + EFX_DWORD_1, (uint32_t)(dma_addr >> 32), + EFX_DWORD_0, (uint32_t)(dma_addr & 0xffffffff)); + + return hunt_mcdi(hunt, &req); +} + +static void hunt_tx_fini(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_TXQ_IN_LEN); + struct efx_nic *efx = &hunt->efx; + struct efx_tx_queue *txq = &efx->txq; + int rc; + + req.emr_cmd = MC_CMD_FINI_TXQ; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, FINI_TXQ_IN_INSTANCE, 0); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + DBGC(hunt, "MC_CMD_FINI_TXQ Failed\n"); + + efx_hunt_free_special_buffer(txq->ring, + sizeof(efx_tx_desc_t) * EFX_TXD_SIZE); + txq->ring = NULL; +} + +/******************************************************************************* + * + * + * RX + * + * + ******************************************************************************/ +static int hunt_rx_filter_insert(struct net_device *netdev, + struct hunt_nic *hunt, + int multicast) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + MCDI_DECLARE_BUF(outbuf, MC_CMD_FILTER_OP_OUT_LEN); + int rc; + uint64_t filter_id; + (void) netdev; + + req.emr_cmd = MC_CMD_FILTER_OP; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + MCDI_SET_DWORD(req.emr_in_buf, FILTER_OP_IN_OP, + multicast ? MC_CMD_FILTER_OP_IN_OP_SUBSCRIBE + : MC_CMD_FILTER_OP_IN_OP_INSERT); + MCDI_POPULATE_DWORD_1(req.emr_in_buf, FILTER_OP_IN_MATCH_FIELDS, + FILTER_OP_IN_MATCH_DST_MAC, 1); + if (multicast) + memset(MCDI_PTR(req.emr_in_buf, FILTER_OP_IN_DST_MAC), + 0xff, ETH_ALEN); + else + memcpy(MCDI_PTR(req.emr_in_buf, FILTER_OP_IN_DST_MAC), + hunt->mac, ETH_ALEN); + + MCDI_SET_DWORD(req.emr_in_buf, FILTER_OP_IN_PORT_ID, + EVB_PORT_ID_ASSIGNED); + MCDI_SET_DWORD(req.emr_in_buf, FILTER_OP_IN_RX_DEST, + MC_CMD_FILTER_OP_IN_RX_DEST_HOST); + MCDI_SET_DWORD(req.emr_in_buf, FILTER_OP_IN_RX_QUEUE, 0); + MCDI_SET_DWORD(req.emr_in_buf, FILTER_OP_IN_RX_MODE, 0); + MCDI_SET_DWORD(req.emr_in_buf, FILTER_OP_IN_TX_DEST, + MC_CMD_FILTER_OP_IN_TX_DEST_DEFAULT); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + if (req.emr_out_length_used < MC_CMD_FILTER_OP_OUT_LEN) + return -EIO; + + filter_id = MCDI_QWORD(req.emr_out_buf, FILTER_OP_OUT_HANDLE); + if (multicast) + hunt->mc_filter_id = filter_id; + else + hunt->uc_filter_id = filter_id; + + return 0; +} + +static int hunt_rx_filter_remove(struct hunt_nic *hunt, + int multicast) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + + req.emr_cmd = MC_CMD_FILTER_OP; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, FILTER_OP_IN_OP, + multicast ? MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE : + MC_CMD_FILTER_OP_IN_OP_REMOVE); + MCDI_SET_QWORD(req.emr_in_buf, FILTER_OP_IN_HANDLE, + multicast ? hunt->mc_filter_id : + hunt->uc_filter_id); + return hunt_mcdi(hunt, &req); +} + +static int hunt_get_mac(struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_MAC_ADDRESSES_OUT_LEN); + int rc; + + req.emr_cmd = MC_CMD_GET_MAC_ADDRESSES; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + if (req.emr_out_length_used < MC_CMD_INIT_EVQ_OUT_LEN) + return -EMSGSIZE; + + memcpy(hunt->mac, MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE), + ETH_ALEN); + return 0; +} + +static int hunt_rx_filter_init(struct net_device *netdev, + struct hunt_nic *hunt) +{ + int rc = hunt_get_mac(hunt); + + if (rc != 0) + return rc; + + rc = hunt_rx_filter_insert(netdev, hunt, 0); + if (rc != 0) + return rc; + + rc = hunt_rx_filter_insert(netdev, hunt, 1); + if (rc != 0) + hunt_rx_filter_remove(hunt, 0); + + return rc; +} + +static int +hunt_rx_init(struct net_device *netdev, + struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + dma_addr_t dma_addr; + efx_qword_t *addr; + MCDI_DECLARE_BUF(inbuf, + MC_CMD_INIT_RXQ_IN_LEN(EFX_RXQ_NBUFS(EFX_RXD_SIZE))); + int rc, npages; + + rc = efx_hunt_rx_init(netdev, &dma_addr); + if (rc != 0) + return rc; + + npages = EFX_RXQ_NBUFS(EFX_RXD_SIZE); + + req.emr_cmd = MC_CMD_INIT_RXQ; + req.emr_in_buf = inbuf; + req.emr_in_length = MC_CMD_INIT_RXQ_IN_LEN(npages); + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, INIT_RXQ_IN_SIZE, EFX_RXD_SIZE); + MCDI_SET_DWORD(req.emr_in_buf, INIT_RXQ_IN_TARGET_EVQ, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_RXQ_IN_LABEL, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_RXQ_IN_INSTANCE, 0); + MCDI_POPULATE_DWORD_5(req.emr_in_buf, INIT_RXQ_IN_FLAGS, + INIT_RXQ_IN_FLAG_BUFF_MODE, 0, + INIT_RXQ_IN_FLAG_HDR_SPLIT, 0, + INIT_RXQ_IN_FLAG_TIMESTAMP, 0, + INIT_RXQ_IN_CRC_MODE, 0, + INIT_RXQ_IN_FLAG_PREFIX, 1); + MCDI_SET_DWORD(req.emr_in_buf, INIT_RXQ_IN_OWNER_ID, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_RXQ_IN_PORT_ID, + EVB_PORT_ID_ASSIGNED); + + addr = (efx_qword_t *) MCDI_PTR(req.emr_in_buf, INIT_RXQ_IN_DMA_ADDR); + + EFX_POPULATE_QWORD_2(*addr, + EFX_DWORD_1, (uint32_t)(dma_addr >> 32), + EFX_DWORD_0, (uint32_t)(dma_addr & 0xffffffff)); + return hunt_mcdi(hunt, &req); +} + +static void hunt_rx_filter_fini(struct hunt_nic *hunt) +{ + hunt_rx_filter_remove(hunt, 0); + hunt_rx_filter_remove(hunt, 1); +} + +static void hunt_rx_fini(struct hunt_nic *hunt) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_RXQ_IN_LEN); + struct efx_mcdi_req_s req; + struct efx_nic *efx = &hunt->efx; + struct efx_rx_queue *rxq = &efx->rxq; + int rc; + + req.emr_cmd = MC_CMD_FINI_RXQ; + req.emr_in_buf = inbuf; + req.emr_in_length = MC_CMD_FINI_RXQ_IN_LEN; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, FINI_RXQ_IN_INSTANCE, 0); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + DBGC(hunt, "MC_CMD_FINI_RXQ Failed\n"); + + efx_hunt_free_special_buffer(rxq->ring, + sizeof(efx_rx_desc_t) * EFX_RXD_SIZE); + rxq->ring = NULL; +} + +/******************************************************************************* + * + * + * Event queues and interrupts + * + * + ******************************************************************************/ +static int +hunt_ev_init(struct net_device *netdev, + struct hunt_nic *hunt) +{ + struct efx_mcdi_req_s req; + dma_addr_t dma_addr; + efx_qword_t *addr; + MCDI_DECLARE_BUF(inbuf, + MC_CMD_INIT_EVQ_IN_LEN(EFX_EVQ_NBUFS(EFX_EVQ_SIZE))); + MCDI_DECLARE_BUF(outbuf, MC_CMD_INIT_EVQ_OUT_LEN); + int rc, npages; + + rc = efx_hunt_ev_init(netdev, &dma_addr); + if (rc != 0) + return rc; + + npages = EFX_EVQ_NBUFS(EFX_EVQ_SIZE); + + req.emr_cmd = MC_CMD_INIT_EVQ; + req.emr_in_buf = inbuf; + req.emr_in_length = MC_CMD_INIT_EVQ_IN_LEN(npages); + req.emr_out_buf = outbuf; + req.emr_out_length = sizeof(outbuf); + + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_SIZE, EFX_EVQ_SIZE); + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_INSTANCE, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_IRQ_NUM, 0); + + MCDI_POPULATE_DWORD_6(req.emr_in_buf, INIT_EVQ_IN_FLAGS, + INIT_EVQ_IN_FLAG_INTERRUPTING, 1, + INIT_EVQ_IN_FLAG_RPTR_DOS, 0, + INIT_EVQ_IN_FLAG_INT_ARMD, 0, + INIT_EVQ_IN_FLAG_CUT_THRU, 0, + INIT_EVQ_IN_FLAG_RX_MERGE, 0, + INIT_EVQ_IN_FLAG_TX_MERGE, 0); + + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_TMR_MODE, + MC_CMD_INIT_EVQ_IN_TMR_MODE_DIS); + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_TMR_LOAD, 0); + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_TMR_RELOAD, 0); + + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_COUNT_MODE, + MC_CMD_INIT_EVQ_IN_COUNT_MODE_DIS); + MCDI_SET_DWORD(req.emr_in_buf, INIT_EVQ_IN_COUNT_THRSHLD, 0); + + addr = (efx_qword_t *) MCDI_PTR(req.emr_in_buf, INIT_EVQ_IN_DMA_ADDR); + + EFX_POPULATE_QWORD_2(*addr, + EFX_DWORD_1, (uint32_t)(dma_addr >> 32), + EFX_DWORD_0, (uint32_t)(dma_addr & 0xffffffff)); + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + return rc; + + if (req.emr_out_length_used < MC_CMD_INIT_EVQ_OUT_LEN) + return -EMSGSIZE; + + return 0; +} + +static void hunt_ev_fini(struct hunt_nic *hunt) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_EVQ_IN_LEN); + struct efx_mcdi_req_s req; + struct efx_nic *efx = &hunt->efx; + struct efx_ev_queue *evq = &efx->evq; + int rc; + + req.emr_cmd = MC_CMD_FINI_EVQ; + req.emr_in_buf = inbuf; + req.emr_in_length = sizeof(inbuf); + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_SET_DWORD(req.emr_in_buf, FINI_EVQ_IN_INSTANCE, 0); + + rc = hunt_mcdi(hunt, &req); + if (rc != 0) + DBGC(hunt, "MC_CMD_FINI_EVQ Failed\n"); + + efx_hunt_free_special_buffer(evq->ring, + sizeof(efx_event_t) * EFX_EVQ_SIZE); + evq->ring = NULL; +} + +static void +hunt_poll(struct net_device *netdev) +{ + struct hunt_nic *hunt = netdev_priv(netdev); + + /* If called while already polling, return immediately */ + if (hunt->efx.state & EFX_STATE_POLLING) + return; + hunt->efx.state |= EFX_STATE_POLLING; + + /* Poll link state */ + if (hunt->link_poll_timer + TICKS_PER_SEC < currticks()) { + hunt->link_poll_timer = currticks(); + hunt_check_link(hunt); + } + + /* Poll data path */ + efx_hunt_poll(netdev); + + hunt->efx.state &= ~EFX_STATE_POLLING; +} + +/******************************************************************************* + * + * + * Netdevice operations + * + * + ******************************************************************************/ +static int hunt_open(struct net_device *netdev) +{ + struct hunt_nic *hunt = netdev_priv(netdev); + int rc; + + /* Allocate VIs */ + rc = hunt_alloc_vis(hunt); + if (rc != 0) + goto fail2; + + /* Initialize data path */ + rc = hunt_ev_init(netdev, hunt); + if (rc != 0) + goto fail3; + + rc = hunt_rx_init(netdev, hunt); + if (rc != 0) + goto fail4; + + rc = hunt_rx_filter_init(netdev, hunt); + if (rc != 0) + goto fail5; + + rc = hunt_tx_init(netdev, hunt); + if (rc != 0) + goto fail6; + + rc = efx_hunt_open(netdev); + if (rc) + goto fail7; + + rc = hunt_set_mac(hunt); + if (rc) + goto fail8; + + /* Mark the link as down before checking the link state because the + * latter might fail. + */ + netdev_link_down(netdev); + hunt_check_link(hunt); + + DBGC2(hunt, "%s: open ok\n", netdev->name); + return 0; + +fail8: + efx_hunt_close(netdev); +fail7: + hunt_tx_fini(hunt); +fail6: + hunt_rx_filter_fini(hunt); +fail5: + hunt_rx_fini(hunt); +fail4: + hunt_ev_fini(hunt); +fail3: + hunt_free_vis(hunt); +fail2: + DBGC2(hunt, "%s: %s\n", netdev->name, strerror(rc)); + return rc; +} + + +static void hunt_close(struct net_device *netdev) +{ + struct hunt_nic *hunt = netdev_priv(netdev); + + /* Stop datapath */ + efx_hunt_close(netdev); + + hunt_tx_fini(hunt); + hunt_rx_fini(hunt); + hunt_rx_filter_fini(hunt); + hunt_ev_fini(hunt); + + hunt_free_vis(hunt); + + /* Reset hardware and detach */ + hunt_reset(hunt); +} + + +/******************************************************************************* + * + * + * Public operations + * + * + ******************************************************************************/ + +static struct net_device_operations hunt_operations = { + .open = hunt_open, + .close = hunt_close, + .transmit = efx_hunt_transmit, + .poll = hunt_poll, + .irq = efx_hunt_irq, +}; + +static int +hunt_probe(struct pci_device *pci) +{ + struct net_device *netdev; + struct hunt_nic *hunt; + struct efx_nic *efx; + int rc = 0; + + /* Create the network adapter */ + netdev = alloc_etherdev(sizeof(struct hunt_nic)); + if (!netdev) { + rc = -ENOMEM; + goto fail1; + } + + /* Initialise the network adapter, and initialise private storage */ + netdev_init(netdev, &hunt_operations); + pci_set_drvdata(pci, netdev); + netdev->dev = &pci->dev; + netdev->state |= NETDEV_IRQ_UNSUPPORTED; + + hunt = netdev_priv(netdev); + memset(hunt, 0, sizeof(*hunt)); + efx = &hunt->efx; + + efx->type = &hunt_nic_type; + + /* Initialise efx datapath */ + efx_probe(netdev, EFX_HUNTINGTON); + + /* Initialise MCDI. In case we are recovering from a crash, first + * cancel any outstanding request by sending a special message using the + * least significant bits of the 'high' (doorbell) register. + */ + _efx_writel(efx, cpu_to_le32(1), ER_DZ_MC_DB_HWRD); + rc = hunt_mcdi_init(hunt); + if (rc != 0) + goto fail2; + + /* Reset (most) configuration for this function */ + rc = hunt_reset(hunt); + if (rc != 0) + goto fail3; + + /* Medford has a list of UDP tunnel ports that is populated by the + * driver. Avoid dropping any unencapsulated packets. This may cause + * an MC reboot. + */ + hunt_clear_udp_tunnel_ports(hunt); + + /* Enable the workaround for bug35388, if supported */ + efx->workaround_35388 = hunt_workaround_35388(hunt); + + /* Set the RX packet prefix size */ + efx->rx_prefix_size = ES_DZ_RX_PREFIX_SIZE; + + rc = hunt_get_port_assignment(hunt); + if (rc != 0) + goto fail3; + + rc = hunt_mac_addr(hunt, netdev->ll_addr); + if (rc != 0) + goto fail4; + + rc = hunt_get_phy_cfg(hunt); + if (rc != 0) + goto fail5; + + rc = hunt_driver_attach(hunt, 1); + if (rc != 0) + goto fail5; + + /* If not exposing this network device, return successfully here */ + if (hunt->flags & (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_NO_ACTIVE_PORT)) + return 0; + + if (hunt_nic_is_primary(hunt)) { + hunt->next_primary = primary_nics; + primary_nics = hunt; + hunt->primary = hunt; + } else { + struct hunt_nic *other_hunt = primary_nics; + + while (other_hunt && !hunt->primary) { + struct pci_device *other_pci = (struct pci_device *) + other_hunt->efx.netdev->dev; + /* Check if the seg:bus:dev parts match. */ + if (PCI_FIRST_FUNC(other_pci->busdevfn) == + PCI_FIRST_FUNC(pci->busdevfn)) + hunt->primary = other_hunt; + + other_hunt = other_hunt->next_primary; + } + if (!hunt->primary) { + rc = -EIO; + goto fail6; + } + } + + rc = register_netdev(netdev); + if (rc != 0) + goto fail8; + + DBG2("%s " PCI_FMT " ok\n", __func__, PCI_ARGS(pci)); + return 0; + +fail8: +fail6: + (void) hunt_driver_attach(hunt, 0); +fail5: +fail4: +fail3: + hunt_mcdi_fini(hunt); +fail2: + efx_remove(netdev); + netdev_put(netdev); +fail1: + DBG2("%s " PCI_FMT " rc=%d\n", __func__, PCI_ARGS(pci), rc); + return rc; +} + +static void hunt_remove(struct pci_device *pci) +{ + struct net_device *netdev = pci_get_drvdata(pci); + struct hunt_nic *hunt = netdev_priv(netdev); + + if (!(hunt->flags & + (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_NO_ACTIVE_PORT))) { + /* The netdevice might still be open, so unregister it now + * before ripping stuff out from underneath. + */ + unregister_netdev(netdev); + } + + (void)hunt_driver_attach(hunt, 0); + hunt_mcdi_fini(hunt); + + /* Destroy data path */ + efx_remove(netdev); + + netdev_nullify(netdev); + netdev_put(netdev); +} + +const struct efx_nic_type hunt_nic_type = { + .mcdi_rpc = _hunt_mcdi, +}; + +static struct pci_device_id hunt_nics[] = { + PCI_ROM(0x1924, 0x0a03, "SFC9220", "Solarflare SFN8xxx Adapter", 0), +}; + +struct pci_driver hunt_driver __pci_driver = { + .ids = hunt_nics, + .id_count = ARRAY_SIZE(hunt_nics), + .probe = hunt_probe, + .remove = hunt_remove, +}; diff --git a/src/include/ipxe/errfile.h b/src/include/ipxe/errfile.h index 703f4565..cd12ebf3 100644 --- a/src/include/ipxe/errfile.h +++ b/src/include/ipxe/errfile.h @@ -197,6 +197,8 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #define ERRFILE_axge ( ERRFILE_DRIVER | 0x00c10000 ) #define ERRFILE_thunderx ( ERRFILE_DRIVER | 0x00c20000 ) #define ERRFILE_af_packet ( ERRFILE_DRIVER | 0x00c30000 ) +#define ERRFILE_sfc_hunt ( ERRFILE_DRIVER | 0x00c40000 ) +#define ERRFILE_efx_hunt ( ERRFILE_DRIVER | 0x00c50000 ) #define ERRFILE_aoe ( ERRFILE_NET | 0x00000000 ) #define ERRFILE_arp ( ERRFILE_NET | 0x00010000 ) |