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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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86fc187fcc
These DMA descriptor types will only be used by the userland networking stack. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
356 lines
11 KiB
C
356 lines
11 KiB
C
/****************************************************************************
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* Driver for Solarflare network controllers and boards
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* Copyright 2012-2013 Solarflare Communications Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, incorporated herein by reference.
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*/
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#ifndef EFX_EF10_REGS_H
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#define EFX_EF10_REGS_H
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/* EF10 hardware architecture definitions have a name prefix following
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* the format:
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*
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* E<type>_<min-rev><max-rev>_
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*
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* The following <type> strings are used:
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*
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* MMIO register Host memory structure
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* -------------------------------------------------------------
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* Address R
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* Bitfield RF SF
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* Enumerator FE SE
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*
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* <min-rev> is the first revision to which the definition applies:
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*
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* D: Huntington A0
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*
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* If the definition has been changed or removed in later revisions
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* then <max-rev> is the last revision to which the definition applies;
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* otherwise it is "Z".
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*/
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/**************************************************************************
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*
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* EF10 registers and descriptors
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*
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**************************************************************************
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*/
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/* BIU_HW_REV_ID_REG: */
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#define ER_DZ_BIU_HW_REV_ID 0x00000000
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#define ERF_DZ_HW_REV_ID_LBN 0
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#define ERF_DZ_HW_REV_ID_WIDTH 32
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/* BIU_MC_SFT_STATUS_REG: */
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#define ER_DZ_BIU_MC_SFT_STATUS 0x00000010
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#define ER_DZ_BIU_MC_SFT_STATUS_STEP 4
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#define ER_DZ_BIU_MC_SFT_STATUS_ROWS 8
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#define ERF_DZ_MC_SFT_STATUS_LBN 0
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#define ERF_DZ_MC_SFT_STATUS_WIDTH 32
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/* BIU_INT_ISR_REG: */
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#define ER_DZ_BIU_INT_ISR 0x00000090
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#define ERF_DZ_ISR_REG_LBN 0
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#define ERF_DZ_ISR_REG_WIDTH 32
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/* MC_DB_LWRD_REG: */
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#define ER_DZ_MC_DB_LWRD 0x00000200
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#define ERF_DZ_MC_DOORBELL_L_LBN 0
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#define ERF_DZ_MC_DOORBELL_L_WIDTH 32
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/* MC_DB_HWRD_REG: */
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#define ER_DZ_MC_DB_HWRD 0x00000204
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#define ERF_DZ_MC_DOORBELL_H_LBN 0
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#define ERF_DZ_MC_DOORBELL_H_WIDTH 32
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/* EVQ_RPTR_REG: */
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#define ER_DZ_EVQ_RPTR 0x00000400
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#define ER_DZ_EVQ_RPTR_STEP 8192
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#define ER_DZ_EVQ_RPTR_ROWS 2048
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#define ERF_DZ_EVQ_RPTR_VLD_LBN 15
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#define ERF_DZ_EVQ_RPTR_VLD_WIDTH 1
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#define ERF_DZ_EVQ_RPTR_LBN 0
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#define ERF_DZ_EVQ_RPTR_WIDTH 15
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/* EVQ_TMR_REG: */
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#define ER_DZ_EVQ_TMR 0x00000420
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#define ER_DZ_EVQ_TMR_STEP 8192
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#define ER_DZ_EVQ_TMR_ROWS 2048
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#define ERF_DZ_TC_TIMER_MODE_LBN 14
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#define ERF_DZ_TC_TIMER_MODE_WIDTH 2
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#define ERF_DZ_TC_TIMER_VAL_LBN 0
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#define ERF_DZ_TC_TIMER_VAL_WIDTH 14
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/* RX_DESC_UPD_REG: */
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#define ER_DZ_RX_DESC_UPD 0x00000830
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#define ER_DZ_RX_DESC_UPD_STEP 8192
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#define ER_DZ_RX_DESC_UPD_ROWS 2048
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#define ERF_DZ_RX_DESC_WPTR_LBN 0
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#define ERF_DZ_RX_DESC_WPTR_WIDTH 12
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/* TX_DESC_UPD_REG: */
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#define ER_DZ_TX_DESC_UPD 0x00000a10
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#define ER_DZ_TX_DESC_UPD_STEP 8192
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#define ER_DZ_TX_DESC_UPD_ROWS 2048
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#define ERF_DZ_RSVD_LBN 76
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#define ERF_DZ_RSVD_WIDTH 20
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#define ERF_DZ_TX_DESC_WPTR_LBN 64
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#define ERF_DZ_TX_DESC_WPTR_WIDTH 12
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#define ERF_DZ_TX_DESC_HWORD_LBN 32
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#define ERF_DZ_TX_DESC_HWORD_WIDTH 32
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#define ERF_DZ_TX_DESC_LWORD_LBN 0
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#define ERF_DZ_TX_DESC_LWORD_WIDTH 32
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/* DRIVER_EV */
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#define ESF_DZ_DRV_CODE_LBN 60
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#define ESF_DZ_DRV_CODE_WIDTH 4
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#define ESF_DZ_DRV_SUB_CODE_LBN 56
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#define ESF_DZ_DRV_SUB_CODE_WIDTH 4
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#define ESE_DZ_DRV_TIMER_EV 3
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#define ESE_DZ_DRV_START_UP_EV 2
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#define ESE_DZ_DRV_WAKE_UP_EV 1
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#define ESF_DZ_DRV_SUB_DATA_LBN 0
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#define ESF_DZ_DRV_SUB_DATA_WIDTH 56
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#define ESF_DZ_DRV_EVQ_ID_LBN 0
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#define ESF_DZ_DRV_EVQ_ID_WIDTH 14
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#define ESF_DZ_DRV_TMR_ID_LBN 0
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#define ESF_DZ_DRV_TMR_ID_WIDTH 14
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/* EVENT_ENTRY */
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#define ESF_DZ_EV_CODE_LBN 60
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#define ESF_DZ_EV_CODE_WIDTH 4
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#define ESE_DZ_EV_CODE_MCDI_EV 12
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#define ESE_DZ_EV_CODE_DRIVER_EV 5
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#define ESE_DZ_EV_CODE_TX_EV 2
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#define ESE_DZ_EV_CODE_RX_EV 0
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#define ESE_DZ_OTHER other
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#define ESF_DZ_EV_DATA_LBN 0
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#define ESF_DZ_EV_DATA_WIDTH 60
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/* MC_EVENT */
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#define ESF_DZ_MC_CODE_LBN 60
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#define ESF_DZ_MC_CODE_WIDTH 4
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#define ESF_DZ_MC_OVERRIDE_HOLDOFF_LBN 59
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#define ESF_DZ_MC_OVERRIDE_HOLDOFF_WIDTH 1
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#define ESF_DZ_MC_DROP_EVENT_LBN 58
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#define ESF_DZ_MC_DROP_EVENT_WIDTH 1
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#define ESF_DZ_MC_SOFT_LBN 0
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#define ESF_DZ_MC_SOFT_WIDTH 58
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/* RX_EVENT */
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#define ESF_DZ_RX_CODE_LBN 60
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#define ESF_DZ_RX_CODE_WIDTH 4
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#define ESF_DZ_RX_OVERRIDE_HOLDOFF_LBN 59
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#define ESF_DZ_RX_OVERRIDE_HOLDOFF_WIDTH 1
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#define ESF_DZ_RX_DROP_EVENT_LBN 58
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#define ESF_DZ_RX_DROP_EVENT_WIDTH 1
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#define ESF_DZ_RX_EV_RSVD2_LBN 54
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#define ESF_DZ_RX_EV_RSVD2_WIDTH 4
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#define ESF_DZ_RX_EV_SOFT2_LBN 52
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#define ESF_DZ_RX_EV_SOFT2_WIDTH 2
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#define ESF_DZ_RX_DSC_PTR_LBITS_LBN 48
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#define ESF_DZ_RX_DSC_PTR_LBITS_WIDTH 4
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#define ESF_DZ_RX_L4_CLASS_LBN 45
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#define ESF_DZ_RX_L4_CLASS_WIDTH 3
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#define ESE_DZ_L4_CLASS_RSVD7 7
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#define ESE_DZ_L4_CLASS_RSVD6 6
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#define ESE_DZ_L4_CLASS_RSVD5 5
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#define ESE_DZ_L4_CLASS_RSVD4 4
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#define ESE_DZ_L4_CLASS_RSVD3 3
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#define ESE_DZ_L4_CLASS_UDP 2
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#define ESE_DZ_L4_CLASS_TCP 1
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#define ESE_DZ_L4_CLASS_UNKNOWN 0
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#define ESF_DZ_RX_L3_CLASS_LBN 42
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#define ESF_DZ_RX_L3_CLASS_WIDTH 3
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#define ESE_DZ_L3_CLASS_RSVD7 7
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#define ESE_DZ_L3_CLASS_IP6_FRAG 6
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#define ESE_DZ_L3_CLASS_ARP 5
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#define ESE_DZ_L3_CLASS_IP4_FRAG 4
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#define ESE_DZ_L3_CLASS_FCOE 3
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#define ESE_DZ_L3_CLASS_IP6 2
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#define ESE_DZ_L3_CLASS_IP4 1
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#define ESE_DZ_L3_CLASS_UNKNOWN 0
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#define ESF_DZ_RX_ETH_TAG_CLASS_LBN 39
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#define ESF_DZ_RX_ETH_TAG_CLASS_WIDTH 3
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#define ESE_DZ_ETH_TAG_CLASS_RSVD7 7
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#define ESE_DZ_ETH_TAG_CLASS_RSVD6 6
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#define ESE_DZ_ETH_TAG_CLASS_RSVD5 5
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#define ESE_DZ_ETH_TAG_CLASS_RSVD4 4
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#define ESE_DZ_ETH_TAG_CLASS_RSVD3 3
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#define ESE_DZ_ETH_TAG_CLASS_VLAN2 2
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#define ESE_DZ_ETH_TAG_CLASS_VLAN1 1
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#define ESE_DZ_ETH_TAG_CLASS_NONE 0
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#define ESF_DZ_RX_ETH_BASE_CLASS_LBN 36
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#define ESF_DZ_RX_ETH_BASE_CLASS_WIDTH 3
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#define ESE_DZ_ETH_BASE_CLASS_LLC_SNAP 2
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#define ESE_DZ_ETH_BASE_CLASS_LLC 1
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#define ESE_DZ_ETH_BASE_CLASS_ETH2 0
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#define ESF_DZ_RX_MAC_CLASS_LBN 35
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#define ESF_DZ_RX_MAC_CLASS_WIDTH 1
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#define ESE_DZ_MAC_CLASS_MCAST 1
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#define ESE_DZ_MAC_CLASS_UCAST 0
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#define ESF_DZ_RX_EV_SOFT1_LBN 32
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#define ESF_DZ_RX_EV_SOFT1_WIDTH 3
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#define ESF_DZ_RX_EV_RSVD1_LBN 31
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#define ESF_DZ_RX_EV_RSVD1_WIDTH 1
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#define ESF_DZ_RX_ABORT_LBN 30
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#define ESF_DZ_RX_ABORT_WIDTH 1
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#define ESF_DZ_RX_ECC_ERR_LBN 29
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#define ESF_DZ_RX_ECC_ERR_WIDTH 1
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#define ESF_DZ_RX_CRC1_ERR_LBN 28
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#define ESF_DZ_RX_CRC1_ERR_WIDTH 1
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#define ESF_DZ_RX_CRC0_ERR_LBN 27
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#define ESF_DZ_RX_CRC0_ERR_WIDTH 1
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#define ESF_DZ_RX_TCPUDP_CKSUM_ERR_LBN 26
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#define ESF_DZ_RX_TCPUDP_CKSUM_ERR_WIDTH 1
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#define ESF_DZ_RX_IPCKSUM_ERR_LBN 25
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#define ESF_DZ_RX_IPCKSUM_ERR_WIDTH 1
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#define ESF_DZ_RX_ECRC_ERR_LBN 24
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#define ESF_DZ_RX_ECRC_ERR_WIDTH 1
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#define ESF_DZ_RX_QLABEL_LBN 16
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#define ESF_DZ_RX_QLABEL_WIDTH 5
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#define ESF_DZ_RX_PARSE_INCOMPLETE_LBN 15
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#define ESF_DZ_RX_PARSE_INCOMPLETE_WIDTH 1
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#define ESF_DZ_RX_CONT_LBN 14
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#define ESF_DZ_RX_CONT_WIDTH 1
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#define ESF_DZ_RX_BYTES_LBN 0
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#define ESF_DZ_RX_BYTES_WIDTH 14
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/* RX_KER_DESC */
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#define ESF_DZ_RX_KER_RESERVED_LBN 62
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#define ESF_DZ_RX_KER_RESERVED_WIDTH 2
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#define ESF_DZ_RX_KER_BYTE_CNT_LBN 48
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#define ESF_DZ_RX_KER_BYTE_CNT_WIDTH 14
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#define ESF_DZ_RX_KER_BUF_ADDR_LBN 0
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#define ESF_DZ_RX_KER_BUF_ADDR_WIDTH 48
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/* TX_CSUM_TSTAMP_DESC */
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#define ESF_DZ_TX_DESC_IS_OPT_LBN 63
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#define ESF_DZ_TX_DESC_IS_OPT_WIDTH 1
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#define ESF_DZ_TX_OPTION_TYPE_LBN 60
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#define ESF_DZ_TX_OPTION_TYPE_WIDTH 3
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#define ESE_DZ_TX_OPTION_DESC_TSO 7
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#define ESE_DZ_TX_OPTION_DESC_VLAN 6
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#define ESE_DZ_TX_OPTION_DESC_CRC_CSUM 0
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#define ESF_DZ_TX_TIMESTAMP_LBN 5
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#define ESF_DZ_TX_TIMESTAMP_WIDTH 1
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#define ESF_DZ_TX_OPTION_CRC_MODE_LBN 2
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#define ESF_DZ_TX_OPTION_CRC_MODE_WIDTH 3
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#define ESE_DZ_TX_OPTION_CRC_FCOIP_MPA 5
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#define ESE_DZ_TX_OPTION_CRC_FCOIP_FCOE 4
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#define ESE_DZ_TX_OPTION_CRC_ISCSI_HDR_AND_PYLD 3
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#define ESE_DZ_TX_OPTION_CRC_ISCSI_HDR 2
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#define ESE_DZ_TX_OPTION_CRC_FCOE 1
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#define ESE_DZ_TX_OPTION_CRC_OFF 0
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#define ESF_DZ_TX_OPTION_UDP_TCP_CSUM_LBN 1
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#define ESF_DZ_TX_OPTION_UDP_TCP_CSUM_WIDTH 1
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#define ESF_DZ_TX_OPTION_IP_CSUM_LBN 0
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#define ESF_DZ_TX_OPTION_IP_CSUM_WIDTH 1
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/* TX_EVENT */
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#define ESF_DZ_TX_CODE_LBN 60
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#define ESF_DZ_TX_CODE_WIDTH 4
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#define ESF_DZ_TX_OVERRIDE_HOLDOFF_LBN 59
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#define ESF_DZ_TX_OVERRIDE_HOLDOFF_WIDTH 1
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#define ESF_DZ_TX_DROP_EVENT_LBN 58
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#define ESF_DZ_TX_DROP_EVENT_WIDTH 1
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#define ESF_DZ_TX_EV_RSVD_LBN 48
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#define ESF_DZ_TX_EV_RSVD_WIDTH 10
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#define ESF_DZ_TX_SOFT2_LBN 32
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#define ESF_DZ_TX_SOFT2_WIDTH 16
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#define ESF_DZ_TX_CAN_MERGE_LBN 31
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#define ESF_DZ_TX_CAN_MERGE_WIDTH 1
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#define ESF_DZ_TX_SOFT1_LBN 24
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#define ESF_DZ_TX_SOFT1_WIDTH 7
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#define ESF_DZ_TX_QLABEL_LBN 16
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#define ESF_DZ_TX_QLABEL_WIDTH 5
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#define ESF_DZ_TX_DESCR_INDX_LBN 0
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#define ESF_DZ_TX_DESCR_INDX_WIDTH 16
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/* TX_KER_DESC */
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#define ESF_DZ_TX_KER_TYPE_LBN 63
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#define ESF_DZ_TX_KER_TYPE_WIDTH 1
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#define ESF_DZ_TX_KER_CONT_LBN 62
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#define ESF_DZ_TX_KER_CONT_WIDTH 1
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#define ESF_DZ_TX_KER_BYTE_CNT_LBN 48
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#define ESF_DZ_TX_KER_BYTE_CNT_WIDTH 14
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#define ESF_DZ_TX_KER_BUF_ADDR_LBN 0
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#define ESF_DZ_TX_KER_BUF_ADDR_WIDTH 48
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/* TX_PIO_DESC */
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#define ESF_DZ_TX_PIO_TYPE_LBN 63
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#define ESF_DZ_TX_PIO_TYPE_WIDTH 1
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#define ESF_DZ_TX_PIO_OPT_LBN 60
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#define ESF_DZ_TX_PIO_OPT_WIDTH 3
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#define ESE_DZ_TX_OPTION_DESC_PIO 1
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#define ESF_DZ_TX_PIO_CONT_LBN 59
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#define ESF_DZ_TX_PIO_CONT_WIDTH 1
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#define ESF_DZ_TX_PIO_BYTE_CNT_LBN 32
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#define ESF_DZ_TX_PIO_BYTE_CNT_WIDTH 12
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#define ESF_DZ_TX_PIO_BUF_ADDR_LBN 0
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#define ESF_DZ_TX_PIO_BUF_ADDR_WIDTH 12
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/* TX_TSO_DESC */
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#define ESF_DZ_TX_DESC_IS_OPT_LBN 63
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#define ESF_DZ_TX_DESC_IS_OPT_WIDTH 1
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#define ESF_DZ_TX_OPTION_TYPE_LBN 60
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#define ESF_DZ_TX_OPTION_TYPE_WIDTH 3
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#define ESE_DZ_TX_OPTION_DESC_TSO 7
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#define ESE_DZ_TX_OPTION_DESC_VLAN 6
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#define ESE_DZ_TX_OPTION_DESC_CRC_CSUM 0
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#define ESF_DZ_TX_TSO_TCP_FLAGS_LBN 48
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#define ESF_DZ_TX_TSO_TCP_FLAGS_WIDTH 8
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#define ESF_DZ_TX_TSO_IP_ID_LBN 32
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#define ESF_DZ_TX_TSO_IP_ID_WIDTH 16
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#define ESF_DZ_TX_TSO_TCP_SEQNO_LBN 0
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#define ESF_DZ_TX_TSO_TCP_SEQNO_WIDTH 32
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/*************************************************************************/
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/* TX_DESC_UPD_REG: Transmit descriptor update register.
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* We may write just one dword of these registers.
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*/
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#define ER_DZ_TX_DESC_UPD_DWORD (ER_DZ_TX_DESC_UPD + 2 * 4)
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#define ERF_DZ_TX_DESC_WPTR_DWORD_LBN (ERF_DZ_TX_DESC_WPTR_LBN - 2 * 32)
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#define ERF_DZ_TX_DESC_WPTR_DWORD_WIDTH ERF_DZ_TX_DESC_WPTR_WIDTH
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/* The workaround for bug 35388 requires multiplexing writes through
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* the TX_DESC_UPD_DWORD address.
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* TX_DESC_UPD: 0ppppppppppp (bit 11 lost)
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* EVQ_RPTR: 1000hhhhhhhh, 1001llllllll (split into high and low bits)
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* EVQ_TMR: 11mmvvvvvvvv (bits 8:13 of value lost)
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*/
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#define ER_DD_EVQ_INDIRECT ER_DZ_TX_DESC_UPD_DWORD
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#define ERF_DD_EVQ_IND_RPTR_FLAGS_LBN 8
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#define ERF_DD_EVQ_IND_RPTR_FLAGS_WIDTH 4
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#define EFE_DD_EVQ_IND_RPTR_FLAGS_HIGH 8
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#define EFE_DD_EVQ_IND_RPTR_FLAGS_LOW 9
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#define ERF_DD_EVQ_IND_RPTR_LBN 0
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#define ERF_DD_EVQ_IND_RPTR_WIDTH 8
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#define ERF_DD_EVQ_IND_TIMER_FLAGS_LBN 10
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#define ERF_DD_EVQ_IND_TIMER_FLAGS_WIDTH 2
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#define EFE_DD_EVQ_IND_TIMER_FLAGS 3
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#define ERF_DD_EVQ_IND_TIMER_MODE_LBN 8
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#define ERF_DD_EVQ_IND_TIMER_MODE_WIDTH 2
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#define ERF_DD_EVQ_IND_TIMER_VAL_LBN 0
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#define ERF_DD_EVQ_IND_TIMER_VAL_WIDTH 8
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/* TX_PIOBUF
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* PIO buffer aperture (paged)
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*/
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#define ER_DZ_TX_PIOBUF 4096
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#define ER_DZ_TX_PIOBUF_SIZE 2048
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/* RX packet prefix */
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#define ES_DZ_RX_PREFIX_HASH_OFST 0
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#define ES_DZ_RX_PREFIX_VLAN1_OFST 4
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#define ES_DZ_RX_PREFIX_VLAN2_OFST 6
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#define ES_DZ_RX_PREFIX_PKTLEN_OFST 8
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#define ES_DZ_RX_PREFIX_TSTAMP_OFST 10
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#define ES_DZ_RX_PREFIX_SIZE 14
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#endif /* EFX_EF10_REGS_H */
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