From 72c0091293c0082e78fe6110058f808244bd574d Mon Sep 17 00:00:00 2001 From: Raghu Vatsavayi Date: Wed, 31 Aug 2016 11:03:25 -0700 Subject: [PATCH] liquidio: CN23XX device init and sriov config Add support for cn23xx device init and sriov queue config. Signed-off-by: Derek Chickles Signed-off-by: Satanand Burla Signed-off-by: Felix Manlunas Signed-off-by: Raghu Vatsavayi Signed-off-by: David S. Miller --- drivers/net/ethernet/cavium/liquidio/Makefile | 1 + .../cavium/liquidio/cn23xx_pf_device.c | 527 ++++++++++++++++++ .../cavium/liquidio/cn23xx_pf_device.h | 7 + .../net/ethernet/cavium/liquidio/lio_main.c | 10 +- 4 files changed, 544 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c diff --git a/drivers/net/ethernet/cavium/liquidio/Makefile b/drivers/net/ethernet/cavium/liquidio/Makefile index d44111df8452..5a27b2a44039 100644 --- a/drivers/net/ethernet/cavium/liquidio/Makefile +++ b/drivers/net/ethernet/cavium/liquidio/Makefile @@ -10,6 +10,7 @@ liquidio-$(CONFIG_LIQUIDIO) += lio_ethtool.o \ octeon_device.o \ cn66xx_device.o \ cn68xx_device.o \ + cn23xx_pf_device.o \ octeon_mem_ops.o \ octeon_droq.o \ octeon_nic.o diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c new file mode 100644 index 000000000000..ccc3d5b54fab --- /dev/null +++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c @@ -0,0 +1,527 @@ +/********************************************************************** +* Author: Cavium, Inc. +* +* Contact: support@cavium.com +* Please include "LiquidIO" in the subject. +* +* Copyright (c) 2003-2015 Cavium, Inc. +* +* This file is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License, Version 2, as +* published by the Free Software Foundation. +* +* This file is distributed in the hope that it will be useful, but +* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty +* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or +* NONINFRINGEMENT. See the GNU General Public License for more +* details. +* +* This file may also be available under a different license from Cavium. +* Contact Cavium, Inc. for more information +**********************************************************************/ + +#include +#include +#include +#include "liquidio_common.h" +#include "octeon_droq.h" +#include "octeon_iq.h" +#include "response_manager.h" +#include "octeon_device.h" +#include "cn23xx_pf_device.h" +#include "octeon_main.h" + +#define RESET_NOTDONE 0 +#define RESET_DONE 1 + +/* Change the value of SLI Packet Input Jabber Register to allow + * VXLAN TSO packets which can be 64424 bytes, exceeding the + * MAX_GSO_SIZE we supplied to the kernel + */ +#define CN23XX_INPUT_JABBER 64600 + +#define LIOLUT_RING_DISTRIBUTION 9 +const int liolut_num_vfs_to_rings_per_vf[LIOLUT_RING_DISTRIBUTION] = { + 0, 8, 4, 2, 2, 2, 1, 1, 1 +}; + +void cn23xx_dump_pf_initialized_regs(struct octeon_device *oct) +{ + int i = 0; + u32 regval = 0; + struct octeon_cn23xx_pf *cn23xx = (struct octeon_cn23xx_pf *)oct->chip; + + /*In cn23xx_soft_reset*/ + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%llx\n", + "CN23XX_WIN_WR_MASK_REG", CVM_CAST64(CN23XX_WIN_WR_MASK_REG), + CVM_CAST64(octeon_read_csr64(oct, CN23XX_WIN_WR_MASK_REG))); + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_SLI_SCRATCH1", CVM_CAST64(CN23XX_SLI_SCRATCH1), + CVM_CAST64(octeon_read_csr64(oct, CN23XX_SLI_SCRATCH1))); + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_RST_SOFT_RST", CN23XX_RST_SOFT_RST, + lio_pci_readq(oct, CN23XX_RST_SOFT_RST)); + + /*In cn23xx_set_dpi_regs*/ + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_DPI_DMA_CONTROL", CN23XX_DPI_DMA_CONTROL, + lio_pci_readq(oct, CN23XX_DPI_DMA_CONTROL)); + + for (i = 0; i < 6; i++) { + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_DPI_DMA_ENG_ENB", i, + CN23XX_DPI_DMA_ENG_ENB(i), + lio_pci_readq(oct, CN23XX_DPI_DMA_ENG_ENB(i))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_DPI_DMA_ENG_BUF", i, + CN23XX_DPI_DMA_ENG_BUF(i), + lio_pci_readq(oct, CN23XX_DPI_DMA_ENG_BUF(i))); + } + + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", "CN23XX_DPI_CTL", + CN23XX_DPI_CTL, lio_pci_readq(oct, CN23XX_DPI_CTL)); + + /*In cn23xx_setup_pcie_mps and cn23xx_setup_pcie_mrrs */ + pci_read_config_dword(oct->pci_dev, CN23XX_CONFIG_PCIE_DEVCTL, ®val); + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_CONFIG_PCIE_DEVCTL", + CVM_CAST64(CN23XX_CONFIG_PCIE_DEVCTL), CVM_CAST64(regval)); + + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_DPI_SLI_PRTX_CFG", oct->pcie_port, + CN23XX_DPI_SLI_PRTX_CFG(oct->pcie_port), + lio_pci_readq(oct, CN23XX_DPI_SLI_PRTX_CFG(oct->pcie_port))); + + /*In cn23xx_specific_regs_setup */ + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_S2M_PORTX_CTL", oct->pcie_port, + CVM_CAST64(CN23XX_SLI_S2M_PORTX_CTL(oct->pcie_port)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_S2M_PORTX_CTL(oct->pcie_port)))); + + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_SLI_RING_RST", CVM_CAST64(CN23XX_SLI_PKT_IOQ_RING_RST), + (u64)octeon_read_csr64(oct, CN23XX_SLI_PKT_IOQ_RING_RST)); + + /*In cn23xx_setup_global_mac_regs*/ + for (i = 0; i < CN23XX_MAX_MACS; i++) { + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_PKT_MAC_RINFO64", i, + CVM_CAST64(CN23XX_SLI_PKT_MAC_RINFO64(i, oct->pf_num)), + CVM_CAST64(octeon_read_csr64 + (oct, CN23XX_SLI_PKT_MAC_RINFO64 + (i, oct->pf_num)))); + } + + /*In cn23xx_setup_global_input_regs*/ + for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) { + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_IQ_PKT_CONTROL64", i, + CVM_CAST64(CN23XX_SLI_IQ_PKT_CONTROL64(i)), + CVM_CAST64(octeon_read_csr64 + (oct, CN23XX_SLI_IQ_PKT_CONTROL64(i)))); + } + + /*In cn23xx_setup_global_output_regs*/ + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_WMARK", CVM_CAST64(CN23XX_SLI_OQ_WMARK), + CVM_CAST64(octeon_read_csr64(oct, CN23XX_SLI_OQ_WMARK))); + + for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_PKT_CONTROL", i, + CVM_CAST64(CN23XX_SLI_OQ_PKT_CONTROL(i)), + CVM_CAST64(octeon_read_csr( + oct, CN23XX_SLI_OQ_PKT_CONTROL(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_PKT_INT_LEVELS", i, + CVM_CAST64(CN23XX_SLI_OQ_PKT_INT_LEVELS(i)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(i)))); + } + + /*In cn23xx_enable_interrupt and cn23xx_disable_interrupt*/ + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "cn23xx->intr_enb_reg64", + CVM_CAST64((long)(cn23xx->intr_enb_reg64)), + CVM_CAST64(readq(cn23xx->intr_enb_reg64))); + + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "cn23xx->intr_sum_reg64", + CVM_CAST64((long)(cn23xx->intr_sum_reg64)), + CVM_CAST64(readq(cn23xx->intr_sum_reg64))); + + /*In cn23xx_setup_iq_regs*/ + for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) { + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_IQ_BASE_ADDR64", i, + CVM_CAST64(CN23XX_SLI_IQ_BASE_ADDR64(i)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_IQ_BASE_ADDR64(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_IQ_SIZE", i, + CVM_CAST64(CN23XX_SLI_IQ_SIZE(i)), + CVM_CAST64(octeon_read_csr + (oct, CN23XX_SLI_IQ_SIZE(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_IQ_DOORBELL", i, + CVM_CAST64(CN23XX_SLI_IQ_DOORBELL(i)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_IQ_DOORBELL(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_IQ_INSTR_COUNT64", i, + CVM_CAST64(CN23XX_SLI_IQ_INSTR_COUNT64(i)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_IQ_INSTR_COUNT64(i)))); + } + + /*In cn23xx_setup_oq_regs*/ + for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_BASE_ADDR64", i, + CVM_CAST64(CN23XX_SLI_OQ_BASE_ADDR64(i)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_OQ_BASE_ADDR64(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_SIZE", i, + CVM_CAST64(CN23XX_SLI_OQ_SIZE(i)), + CVM_CAST64(octeon_read_csr + (oct, CN23XX_SLI_OQ_SIZE(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_BUFF_INFO_SIZE", i, + CVM_CAST64(CN23XX_SLI_OQ_BUFF_INFO_SIZE(i)), + CVM_CAST64(octeon_read_csr( + oct, CN23XX_SLI_OQ_BUFF_INFO_SIZE(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_PKTS_SENT", i, + CVM_CAST64(CN23XX_SLI_OQ_PKTS_SENT(i)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_OQ_PKTS_SENT(i)))); + dev_dbg(&oct->pci_dev->dev, "%s(%d)[%llx] : 0x%016llx\n", + "CN23XX_SLI_OQ_PKTS_CREDIT", i, + CVM_CAST64(CN23XX_SLI_OQ_PKTS_CREDIT(i)), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_OQ_PKTS_CREDIT(i)))); + } + + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_SLI_PKT_TIME_INT", + CVM_CAST64(CN23XX_SLI_PKT_TIME_INT), + CVM_CAST64(octeon_read_csr64(oct, CN23XX_SLI_PKT_TIME_INT))); + dev_dbg(&oct->pci_dev->dev, "%s[%llx] : 0x%016llx\n", + "CN23XX_SLI_PKT_CNT_INT", + CVM_CAST64(CN23XX_SLI_PKT_CNT_INT), + CVM_CAST64(octeon_read_csr64(oct, CN23XX_SLI_PKT_CNT_INT))); +} + +static u32 cn23xx_coprocessor_clock(struct octeon_device *oct) +{ + /* Bits 29:24 of RST_BOOT[PNR_MUL] holds the ref.clock MULTIPLIER + * for SLI. + */ + + /* TBD: get the info in Hand-shake */ + return (((lio_pci_readq(oct, CN23XX_RST_BOOT) >> 24) & 0x3f) * 50); +} + +static void cn23xx_setup_iq_regs(struct octeon_device *oct, u32 iq_no) +{ + struct octeon_instr_queue *iq = oct->instr_queue[iq_no]; + u64 pkt_in_done; + + iq_no += oct->sriov_info.pf_srn; + + /* Write the start of the input queue's ring and its size */ + octeon_write_csr64(oct, CN23XX_SLI_IQ_BASE_ADDR64(iq_no), + iq->base_addr_dma); + octeon_write_csr(oct, CN23XX_SLI_IQ_SIZE(iq_no), iq->max_count); + + /* Remember the doorbell & instruction count register addr + * for this queue + */ + iq->doorbell_reg = + (u8 *)oct->mmio[0].hw_addr + CN23XX_SLI_IQ_DOORBELL(iq_no); + iq->inst_cnt_reg = + (u8 *)oct->mmio[0].hw_addr + CN23XX_SLI_IQ_INSTR_COUNT64(iq_no); + dev_dbg(&oct->pci_dev->dev, "InstQ[%d]:dbell reg @ 0x%p instcnt_reg @ 0x%p\n", + iq_no, iq->doorbell_reg, iq->inst_cnt_reg); + + /* Store the current instruction counter (used in flush_iq + * calculation) + */ + pkt_in_done = readq(iq->inst_cnt_reg); + + /* Clear the count by writing back what we read, but don't + * enable interrupts + */ + writeq(pkt_in_done, iq->inst_cnt_reg); + + iq->reset_instr_cnt = 0; +} + +static void cn23xx_setup_oq_regs(struct octeon_device *oct, u32 oq_no) +{ + u32 reg_val; + struct octeon_droq *droq = oct->droq[oq_no]; + + oq_no += oct->sriov_info.pf_srn; + + octeon_write_csr64(oct, CN23XX_SLI_OQ_BASE_ADDR64(oq_no), + droq->desc_ring_dma); + octeon_write_csr(oct, CN23XX_SLI_OQ_SIZE(oq_no), droq->max_count); + + octeon_write_csr(oct, CN23XX_SLI_OQ_BUFF_INFO_SIZE(oq_no), + (droq->buffer_size | (OCT_RH_SIZE << 16))); + + /* Get the mapped address of the pkt_sent and pkts_credit regs */ + droq->pkts_sent_reg = + (u8 *)oct->mmio[0].hw_addr + CN23XX_SLI_OQ_PKTS_SENT(oq_no); + droq->pkts_credit_reg = + (u8 *)oct->mmio[0].hw_addr + CN23XX_SLI_OQ_PKTS_CREDIT(oq_no); + + /* Enable this output queue to generate Packet Timer Interrupt + */ + reg_val = octeon_read_csr(oct, CN23XX_SLI_OQ_PKT_CONTROL(oq_no)); + reg_val |= CN23XX_PKT_OUTPUT_CTL_TENB; + octeon_write_csr(oct, CN23XX_SLI_OQ_PKT_CONTROL(oq_no), + reg_val); + + /* Enable this output queue to generate Packet Count Interrupt + */ + reg_val = octeon_read_csr(oct, CN23XX_SLI_OQ_PKT_CONTROL(oq_no)); + reg_val |= CN23XX_PKT_OUTPUT_CTL_CENB; + octeon_write_csr(oct, CN23XX_SLI_OQ_PKT_CONTROL(oq_no), + reg_val); +} + +static void cn23xx_get_pcie_qlmport(struct octeon_device *oct) +{ + oct->pcie_port = (octeon_read_csr(oct, CN23XX_SLI_MAC_NUMBER)) & 0xff; + + dev_dbg(&oct->pci_dev->dev, "OCTEON: CN23xx uses PCIE Port %d\n", + oct->pcie_port); +} + +static void cn23xx_get_pf_num(struct octeon_device *oct) +{ + u32 fdl_bit = 0; + + /** Read Function Dependency Link reg to get the function number */ + pci_read_config_dword(oct->pci_dev, CN23XX_PCIE_SRIOV_FDL, &fdl_bit); + oct->pf_num = ((fdl_bit >> CN23XX_PCIE_SRIOV_FDL_BIT_POS) & + CN23XX_PCIE_SRIOV_FDL_MASK); +} + +static void cn23xx_setup_reg_address(struct octeon_device *oct) +{ + u8 __iomem *bar0_pciaddr = oct->mmio[0].hw_addr; + struct octeon_cn23xx_pf *cn23xx = (struct octeon_cn23xx_pf *)oct->chip; + + oct->reg_list.pci_win_wr_addr_hi = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_WR_ADDR_HI); + oct->reg_list.pci_win_wr_addr_lo = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_WR_ADDR_LO); + oct->reg_list.pci_win_wr_addr = + (u64 __iomem *)(bar0_pciaddr + CN23XX_WIN_WR_ADDR64); + + oct->reg_list.pci_win_rd_addr_hi = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_RD_ADDR_HI); + oct->reg_list.pci_win_rd_addr_lo = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_RD_ADDR_LO); + oct->reg_list.pci_win_rd_addr = + (u64 __iomem *)(bar0_pciaddr + CN23XX_WIN_RD_ADDR64); + + oct->reg_list.pci_win_wr_data_hi = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_WR_DATA_HI); + oct->reg_list.pci_win_wr_data_lo = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_WR_DATA_LO); + oct->reg_list.pci_win_wr_data = + (u64 __iomem *)(bar0_pciaddr + CN23XX_WIN_WR_DATA64); + + oct->reg_list.pci_win_rd_data_hi = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_RD_DATA_HI); + oct->reg_list.pci_win_rd_data_lo = + (u32 __iomem *)(bar0_pciaddr + CN23XX_WIN_RD_DATA_LO); + oct->reg_list.pci_win_rd_data = + (u64 __iomem *)(bar0_pciaddr + CN23XX_WIN_RD_DATA64); + + cn23xx_get_pcie_qlmport(oct); + + cn23xx->intr_mask64 = CN23XX_INTR_MASK; + cn23xx->intr_mask64 |= CN23XX_INTR_PKT_TIME; + if (oct->rev_id >= OCTEON_CN23XX_REV_1_1) + cn23xx->intr_mask64 |= CN23XX_INTR_VF_MBOX; + + cn23xx->intr_sum_reg64 = + bar0_pciaddr + + CN23XX_SLI_MAC_PF_INT_SUM64(oct->pcie_port, oct->pf_num); + cn23xx->intr_enb_reg64 = + bar0_pciaddr + + CN23XX_SLI_MAC_PF_INT_ENB64(oct->pcie_port, oct->pf_num); +} + +static int cn23xx_sriov_config(struct octeon_device *oct) +{ + u32 total_rings; + struct octeon_cn23xx_pf *cn23xx = (struct octeon_cn23xx_pf *)oct->chip; + /* num_vfs is already filled for us */ + u32 pf_srn, num_pf_rings; + + cn23xx->conf = + (struct octeon_config *)oct_get_config_info(oct, LIO_23XX); + switch (oct->rev_id) { + case OCTEON_CN23XX_REV_1_0: + total_rings = CN23XX_MAX_RINGS_PER_PF_PASS_1_0; + break; + case OCTEON_CN23XX_REV_1_1: + total_rings = CN23XX_MAX_RINGS_PER_PF_PASS_1_1; + break; + default: + total_rings = CN23XX_MAX_RINGS_PER_PF; + break; + } + if (!oct->sriov_info.num_pf_rings) { + if (total_rings > num_present_cpus()) + num_pf_rings = num_present_cpus(); + else + num_pf_rings = total_rings; + } else { + num_pf_rings = oct->sriov_info.num_pf_rings; + + if (num_pf_rings > total_rings) { + dev_warn(&oct->pci_dev->dev, + "num_queues_per_pf requested %u is more than available rings. Reducing to %u\n", + num_pf_rings, total_rings); + num_pf_rings = total_rings; + } + } + + total_rings = num_pf_rings; + /* the first ring of the pf */ + pf_srn = total_rings - num_pf_rings; + + oct->sriov_info.trs = total_rings; + oct->sriov_info.pf_srn = pf_srn; + oct->sriov_info.num_pf_rings = num_pf_rings; + dev_dbg(&oct->pci_dev->dev, "trs:%d pf_srn:%d num_pf_rings:%d\n", + oct->sriov_info.trs, oct->sriov_info.pf_srn, + oct->sriov_info.num_pf_rings); + return 0; +} + +int setup_cn23xx_octeon_pf_device(struct octeon_device *oct) +{ + if (octeon_map_pci_barx(oct, 0, 0)) + return 1; + + if (octeon_map_pci_barx(oct, 1, MAX_BAR1_IOREMAP_SIZE)) { + dev_err(&oct->pci_dev->dev, "%s CN23XX BAR1 map failed\n", + __func__); + octeon_unmap_pci_barx(oct, 0); + return 1; + } + + cn23xx_get_pf_num(oct); + + if (cn23xx_sriov_config(oct)) { + octeon_unmap_pci_barx(oct, 0); + octeon_unmap_pci_barx(oct, 1); + return 1; + } + + octeon_write_csr64(oct, CN23XX_SLI_MAC_CREDIT_CNT, 0x3F802080802080ULL); + + oct->fn_list.setup_iq_regs = cn23xx_setup_iq_regs; + oct->fn_list.setup_oq_regs = cn23xx_setup_oq_regs; + + cn23xx_setup_reg_address(oct); + + oct->coproc_clock_rate = 1000000ULL * cn23xx_coprocessor_clock(oct); + + return 0; +} + +int validate_cn23xx_pf_config_info(struct octeon_device *oct, + struct octeon_config *conf23xx) +{ + if (CFG_GET_IQ_MAX_Q(conf23xx) > CN23XX_MAX_INPUT_QUEUES) { + dev_err(&oct->pci_dev->dev, "%s: Num IQ (%d) exceeds Max (%d)\n", + __func__, CFG_GET_IQ_MAX_Q(conf23xx), + CN23XX_MAX_INPUT_QUEUES); + return 1; + } + + if (CFG_GET_OQ_MAX_Q(conf23xx) > CN23XX_MAX_OUTPUT_QUEUES) { + dev_err(&oct->pci_dev->dev, "%s: Num OQ (%d) exceeds Max (%d)\n", + __func__, CFG_GET_OQ_MAX_Q(conf23xx), + CN23XX_MAX_OUTPUT_QUEUES); + return 1; + } + + if (CFG_GET_IQ_INSTR_TYPE(conf23xx) != OCTEON_32BYTE_INSTR && + CFG_GET_IQ_INSTR_TYPE(conf23xx) != OCTEON_64BYTE_INSTR) { + dev_err(&oct->pci_dev->dev, "%s: Invalid instr type for IQ\n", + __func__); + return 1; + } + + if (!(CFG_GET_OQ_INFO_PTR(conf23xx)) || + !(CFG_GET_OQ_REFILL_THRESHOLD(conf23xx))) { + dev_err(&oct->pci_dev->dev, "%s: Invalid parameter for OQ\n", + __func__); + return 1; + } + + if (!(CFG_GET_OQ_INTR_TIME(conf23xx))) { + dev_err(&oct->pci_dev->dev, "%s: Invalid parameter for OQ\n", + __func__); + return 1; + } + + return 0; +} + +void cn23xx_dump_iq_regs(struct octeon_device *oct) +{ + u32 regval, q_no; + + dev_dbg(&oct->pci_dev->dev, "SLI_IQ_DOORBELL_0 [0x%x]: 0x%016llx\n", + CN23XX_SLI_IQ_DOORBELL(0), + CVM_CAST64(octeon_read_csr64 + (oct, CN23XX_SLI_IQ_DOORBELL(0)))); + + dev_dbg(&oct->pci_dev->dev, "SLI_IQ_BASEADDR_0 [0x%x]: 0x%016llx\n", + CN23XX_SLI_IQ_BASE_ADDR64(0), + CVM_CAST64(octeon_read_csr64 + (oct, CN23XX_SLI_IQ_BASE_ADDR64(0)))); + + dev_dbg(&oct->pci_dev->dev, "SLI_IQ_FIFO_RSIZE_0 [0x%x]: 0x%016llx\n", + CN23XX_SLI_IQ_SIZE(0), + CVM_CAST64(octeon_read_csr64(oct, CN23XX_SLI_IQ_SIZE(0)))); + + dev_dbg(&oct->pci_dev->dev, "SLI_CTL_STATUS [0x%x]: 0x%016llx\n", + CN23XX_SLI_CTL_STATUS, + CVM_CAST64(octeon_read_csr64(oct, CN23XX_SLI_CTL_STATUS))); + + for (q_no = 0; q_no < CN23XX_MAX_INPUT_QUEUES; q_no++) { + dev_dbg(&oct->pci_dev->dev, "SLI_PKT[%d]_INPUT_CTL [0x%x]: 0x%016llx\n", + q_no, CN23XX_SLI_IQ_PKT_CONTROL64(q_no), + CVM_CAST64(octeon_read_csr64 + (oct, + CN23XX_SLI_IQ_PKT_CONTROL64(q_no)))); + } + + pci_read_config_dword(oct->pci_dev, CN23XX_CONFIG_PCIE_DEVCTL, ®val); + dev_dbg(&oct->pci_dev->dev, "Config DevCtl [0x%x]: 0x%08x\n", + CN23XX_CONFIG_PCIE_DEVCTL, regval); + + dev_dbg(&oct->pci_dev->dev, "SLI_PRT[%d]_CFG [0x%llx]: 0x%016llx\n", + oct->pcie_port, CN23XX_DPI_SLI_PRTX_CFG(oct->pcie_port), + CVM_CAST64(lio_pci_readq( + oct, CN23XX_DPI_SLI_PRTX_CFG(oct->pcie_port)))); + + dev_dbg(&oct->pci_dev->dev, "SLI_S2M_PORT[%d]_CTL [0x%x]: 0x%016llx\n", + oct->pcie_port, CN23XX_SLI_S2M_PORTX_CTL(oct->pcie_port), + CVM_CAST64(octeon_read_csr64( + oct, CN23XX_SLI_S2M_PORTX_CTL(oct->pcie_port)))); +} diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.h b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.h index e07d5306c6dc..36252e7ced1a 100644 --- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.h +++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.h @@ -45,4 +45,11 @@ struct octeon_cn23xx_pf { struct octeon_config *conf; }; + +int setup_cn23xx_octeon_pf_device(struct octeon_device *oct); + +int validate_cn23xx_pf_config_info(struct octeon_device *oct, + struct octeon_config *conf23xx); + +void cn23xx_dump_pf_initialized_regs(struct octeon_device *oct); #endif diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 7ef073825160..a9e7c0711c15 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -35,6 +35,7 @@ #include "cn66xx_regs.h" #include "cn66xx_device.h" #include "cn68xx_device.h" +#include "cn23xx_pf_device.h" #include "liquidio_image.h" MODULE_AUTHOR("Cavium Networks, "); @@ -132,7 +133,8 @@ union tx_info { #define OCTNIC_MAX_SG (MAX_SKB_FRAGS) #define OCTNIC_GSO_MAX_HEADER_SIZE 128 -#define OCTNIC_GSO_MAX_SIZE (GSO_MAX_SIZE - OCTNIC_GSO_MAX_HEADER_SIZE) +#define OCTNIC_GSO_MAX_SIZE \ + (CN23XX_DEFAULT_INPUT_JABBER - OCTNIC_GSO_MAX_HEADER_SIZE) /** Structure of a node in list of gather components maintained by * NIC driver for each network device. @@ -1323,6 +1325,12 @@ static int octeon_chip_specific_setup(struct octeon_device *oct) s = "CN66XX"; break; + case OCTEON_CN23XX_PCIID_PF: + oct->chip_id = OCTEON_CN23XX_PF_VID; + ret = setup_cn23xx_octeon_pf_device(oct); + s = "CN23XX"; + break; + default: s = "?"; dev_err(&oct->pci_dev->dev, "Unknown device found (dev_id: %x)\n", -- 2.20.1