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Date: Fri, 9 Sep 2016 13:08:24 -0700
From: Raghu Vatsavayi <rvatsavayi@...iumnetworks.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>,
Raghu Vatsavayi <rvatsavayi@...iumnetworks.com>,
Derek Chickles <derek.chickles@...iumnetworks.com>,
Satanand Burla <satananda.burla@...iumnetworks.com>,
Felix Manlunas <felix.manlunas@...iumnetworks.com>,
Raghu Vatsavayi <raghu.vatsavayi@...iumnetworks.com>
Subject: [PATCH net-next 2/5] liquidio CN23XX: sriov enable
Adds support for enabling sriov on CN23XX cards.
Signed-off-by: Derek Chickles <derek.chickles@...iumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@...iumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@...iumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@...iumnetworks.com>
---
.../ethernet/cavium/liquidio/cn23xx_pf_device.c | 257 +++++++++++----------
drivers/net/ethernet/cavium/liquidio/lio_main.c | 147 ++++++++----
.../net/ethernet/cavium/liquidio/octeon_config.h | 3 +
.../net/ethernet/cavium/liquidio/octeon_device.h | 5 +
4 files changed, 241 insertions(+), 171 deletions(-)
diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
index a2953d5..deec869 100644
--- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
@@ -19,7 +19,7 @@
* This file may also be available under a different license from Cavium.
* Contact Cavium, Inc. for more information
**********************************************************************/
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
@@ -52,174 +52,174 @@ void cn23xx_dump_pf_initialized_regs(struct octeon_device *oct)
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));
+ pr_devel("%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)));
+ pr_devel("%s[%llx] : 0x%016llx\n",
+ "CN23XX_SLI_SCRATCH1", CVM_CAST64(CN23XX_SLI_SCRATCH1),
+ CVM_CAST64(octeon_read_csr64(oct, CN23XX_SLI_SCRATCH1)));
+ pr_devel("%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));
+ pr_devel("%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)));
+ pr_devel("%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)));
+ pr_devel("%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));
+ pr_devel("%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));
+ pr_devel("%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)));
+ pr_devel("%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))));
+ pr_devel("%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));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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)));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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)));
+ pr_devel("%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)));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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))));
+ pr_devel("%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)));
+ pr_devel("%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)));
+ pr_devel("%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 int cn23xx_pf_soft_reset(struct octeon_device *oct)
{
octeon_write_csr64(oct, CN23XX_WIN_WR_MASK_REG, 0xFF);
- dev_dbg(&oct->pci_dev->dev, "OCTEON[%d]: BIST enabled for CN23XX soft reset\n",
- oct->octeon_id);
+ pr_devel("OCTEON[%d]: BIST enabled for CN23XX soft reset\n",
+ oct->octeon_id);
octeon_write_csr64(oct, CN23XX_SLI_SCRATCH1, 0x1234ULL);
@@ -236,8 +236,8 @@ static int cn23xx_pf_soft_reset(struct octeon_device *oct)
return 1;
}
- dev_dbg(&oct->pci_dev->dev, "OCTEON[%d]: Reset completed\n",
- oct->octeon_id);
+ pr_devel("OCTEON[%d]: Reset completed\n",
+ oct->octeon_id);
/* restore the reset value*/
octeon_write_csr64(oct, CN23XX_WIN_WR_MASK_REG, 0xFF);
@@ -1238,6 +1238,9 @@ static int cn23xx_sriov_config(struct octeon_device *oct)
oct->sriov_info.trs, oct->sriov_info.num_vfs,
oct->sriov_info.rings_per_vf, oct->sriov_info.pf_srn,
oct->sriov_info.num_pf_rings);
+
+ oct->sriov_info.sriov_enabled = 0;
+
return 0;
}
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index afc6f9d..438d32f 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -19,6 +19,7 @@
* This file may also be available under a different license from Cavium.
* Contact Cavium, Inc. for more information
**********************************************************************/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/version.h>
#include <linux/pci.h>
#include <linux/firmware.h>
@@ -69,6 +70,18 @@ static int conf_type;
module_param(conf_type, int, 0);
MODULE_PARM_DESC(conf_type, "select octeon configuration 0 default 1 ovs");
+static unsigned int num_vfs[2] = { 0, 0 };
+module_param_array(num_vfs, uint, NULL, 0444);
+MODULE_PARM_DESC(num_vfs, "two comma-separated unsigned integers that specify number of VFs for PF0 (left of the comma) and PF1 (right of the comma); for 23xx only");
+
+static unsigned int num_queues_per_pf[2] = { 0, 0 };
+module_param_array(num_queues_per_pf, uint, NULL, 0444);
+MODULE_PARM_DESC(num_queues_per_pf, "two comma-separated unsigned integers that specify number of queues per PF0 (left of the comma) and PF1 (right of the comma); for 23xx only");
+
+static unsigned int num_queues_per_vf[2] = { 0, 0 };
+module_param_array(num_queues_per_vf, uint, NULL, 0444);
+MODULE_PARM_DESC(num_queues_per_vf, "two comma-separated unsigned integers that specify number of queues per VFs for PF0 (left of the comma) and PF1 (right of the comma); for 23xx only");
+
static int ptp_enable = 1;
/* Bit mask values for lio->ifstate */
@@ -379,8 +392,8 @@ static void stop_pci_io(struct octeon_device *oct)
if (oct->flags & LIO_FLAG_MSI_ENABLED)
pci_disable_msi(oct->pci_dev);
- dev_dbg(&oct->pci_dev->dev, "Device state is now %s\n",
- lio_get_state_string(&oct->status));
+ pr_devel("Device state is now %s\n",
+ lio_get_state_string(&oct->status));
/* cn63xx_cleanup_aer_uncorrect_error_status(oct->pci_dev); */
/* making it a common function for all OCTEON models */
@@ -1111,7 +1124,7 @@ static int octeon_setup_interrupt(struct octeon_device *oct)
oct->msix_entries = NULL;
return 1;
}
- dev_dbg(&oct->pci_dev->dev, "OCTEON: Enough MSI-X interrupts are allocated...\n");
+ pr_devel("OCTEON: Enough MSI-X interrupts are allocated...\n");
num_ioq_vectors = oct->num_msix_irqs;
@@ -1161,8 +1174,8 @@ static int octeon_setup_interrupt(struct octeon_device *oct)
msix_entries[i].vector,
(&oct->ioq_vector[i].affinity_mask));
}
- dev_dbg(&oct->pci_dev->dev, "OCTEON[%d]: MSI-X enabled\n",
- oct->octeon_id);
+ pr_devel("OCTEON[%d]: MSI-X enabled\n",
+ oct->octeon_id);
} else {
err = pci_enable_msi(oct->pci_dev);
if (err)
@@ -1353,7 +1366,7 @@ liquidio_probe(struct pci_dev *pdev,
oct_dev->rx_pause = 1;
oct_dev->tx_pause = 1;
- dev_dbg(&oct_dev->pci_dev->dev, "Device is ready\n");
+ pr_devel("Device is ready\n");
return 0;
}
@@ -1380,8 +1393,8 @@ static void octeon_destroy_resources(struct octeon_device *oct)
atomic_set(&oct->status, OCT_DEV_IN_RESET);
oct->app_mode = CVM_DRV_INVALID_APP;
- dev_dbg(&oct->pci_dev->dev, "Device state is now %s\n",
- lio_get_state_string(&oct->status));
+ pr_devel("Device state is now %s\n",
+ lio_get_state_string(&oct->status));
schedule_timeout_uninterruptible(HZ / 10);
@@ -1472,6 +1485,8 @@ static void octeon_destroy_resources(struct octeon_device *oct)
continue;
octeon_delete_instr_queue(oct, i);
}
+ if (oct->sriov_info.sriov_enabled)
+ pci_disable_sriov(oct->pci_dev);
/* fallthrough */
case OCT_DEV_SC_BUFF_POOL_INIT_DONE:
octeon_free_sc_buffer_pool(oct);
@@ -1610,7 +1625,7 @@ static void liquidio_destroy_nic_device(struct octeon_device *oct, int ifidx)
lio = GET_LIO(netdev);
- dev_dbg(&oct->pci_dev->dev, "NIC device cleanup\n");
+ pr_devel("NIC device cleanup\n");
if (atomic_read(&lio->ifstate) & LIO_IFSTATE_RUNNING)
liquidio_stop(netdev);
@@ -1648,7 +1663,7 @@ static int liquidio_stop_nic_module(struct octeon_device *oct)
int i, j;
struct lio *lio;
- dev_dbg(&oct->pci_dev->dev, "Stopping network interfaces\n");
+ pr_devel("Stopping network interfaces\n");
if (!oct->ifcount) {
dev_err(&oct->pci_dev->dev, "Init for Octeon was not completed\n");
return 1;
@@ -1668,7 +1683,7 @@ static int liquidio_stop_nic_module(struct octeon_device *oct)
for (i = 0; i < oct->ifcount; i++)
liquidio_destroy_nic_device(oct, i);
- dev_dbg(&oct->pci_dev->dev, "Network interfaces stopped\n");
+ pr_devel("Network interfaces stopped\n");
return 0;
}
@@ -1680,7 +1695,7 @@ static void liquidio_remove(struct pci_dev *pdev)
{
struct octeon_device *oct_dev = pci_get_drvdata(pdev);
- dev_dbg(&oct_dev->pci_dev->dev, "Stopping device\n");
+ pr_devel("Stopping device\n");
if (oct_dev->watchdog_task)
kthread_stop(oct_dev->watchdog_task);
@@ -1730,6 +1745,15 @@ static int octeon_chip_specific_setup(struct octeon_device *oct)
case OCTEON_CN23XX_PCIID_PF:
oct->chip_id = OCTEON_CN23XX_PF_VID;
+ oct->sriov_info.num_vfs = num_vfs[oct->pci_dev->devfn];
+ if (num_queues_per_vf[oct->pci_dev->devfn] > 0) {
+ oct->sriov_info.rings_per_vf =
+ num_queues_per_vf[oct->pci_dev->devfn];
+ }
+ if (num_queues_per_pf[oct->pci_dev->devfn] > 0) {
+ oct->sriov_info.num_pf_rings =
+ num_queues_per_pf[oct->pci_dev->devfn];
+ }
ret = setup_cn23xx_octeon_pf_device(oct);
s = "CN23XX";
break;
@@ -2146,14 +2170,14 @@ static int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs,
{
int ret_val = 0;
- dev_dbg(&oct->pci_dev->dev, "Creating Droq: %d\n", q_no);
+ pr_devel("Creating Droq: %d\n", q_no);
/* droq creation and local register settings. */
ret_val = octeon_create_droq(oct, q_no, num_descs, desc_size, app_ctx);
if (ret_val < 0)
return ret_val;
if (ret_val == 1) {
- dev_dbg(&oct->pci_dev->dev, "Using default droq %d\n", q_no);
+ pr_devel("Using default droq %d\n", q_no);
return 0;
}
/* tasklet creation for the droq */
@@ -2481,9 +2505,8 @@ static inline int setup_io_queues(struct octeon_device *octeon_dev,
/* set up DROQs. */
for (q = 0; q < lio->linfo.num_rxpciq; q++) {
q_no = lio->linfo.rxpciq[q].s.q_no;
- dev_dbg(&octeon_dev->pci_dev->dev,
- "setup_io_queues index:%d linfo.rxpciq.s.q_no:%d\n",
- q, q_no);
+ pr_devel("setup_io_queues index:%d linfo.rxpciq.s.q_no:%d\n",
+ q, q_no);
retval = octeon_setup_droq(octeon_dev, q_no,
CFG_GET_NUM_RX_DESCS_NIC_IF
(octeon_get_conf(octeon_dev),
@@ -2500,8 +2523,8 @@ static inline int setup_io_queues(struct octeon_device *octeon_dev,
droq = octeon_dev->droq[q_no];
napi = &droq->napi;
- dev_dbg(&octeon_dev->pci_dev->dev, "netif_napi_add netdev:%llx oct:%llx pf_num:%d\n",
- (u64)netdev, (u64)octeon_dev, octeon_dev->pf_num);
+ pr_devel("netif_napi_add netdev:%llx oct:%llx pf_num:%d\n",
+ (u64)netdev, (u64)octeon_dev, octeon_dev->pf_num);
netif_napi_add(netdev, napi, liquidio_napi_poll, 64);
/* designate a CPU for this droq */
@@ -3744,9 +3767,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
ifidx_or_pfnum = i;
}
- dev_dbg(&octeon_dev->pci_dev->dev,
- "requesting config for interface %d, iqs %d, oqs %d\n",
- ifidx_or_pfnum, num_iqueues, num_oqueues);
+ pr_devel("requesting config for interface %d, iqs %d, oqs %d\n",
+ ifidx_or_pfnum, num_iqueues, num_oqueues);
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(octeon_dev);
init_waitqueue_head(&ctx->wc);
@@ -3803,10 +3825,9 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
resp->cfg_info.oqmask);
goto setup_nic_dev_fail;
}
- dev_dbg(&octeon_dev->pci_dev->dev,
- "interface %d, iqmask %016llx, oqmask %016llx, numiqueues %d, numoqueues %d\n",
- i, resp->cfg_info.iqmask, resp->cfg_info.oqmask,
- num_iqueues, num_oqueues);
+ pr_devel("interface %d, iqmask %016llx, oqmask %016llx, numiqueues %d, numoqueues %d\n",
+ i, resp->cfg_info.iqmask, resp->cfg_info.oqmask,
+ num_iqueues, num_oqueues);
netdev = alloc_etherdev_mq(LIO_SIZE, num_iqueues);
if (!netdev) {
@@ -3898,9 +3919,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
lio->octprops = props;
lio->netdev = netdev;
- dev_dbg(&octeon_dev->pci_dev->dev,
- "if%d gmx: %d hw_addr: 0x%llx\n", i,
- lio->linfo.gmxport, CVM_CAST64(lio->linfo.hw_addr));
+ pr_devel("if%d gmx: %d hw_addr: 0x%llx\n", i,
+ lio->linfo.gmxport, CVM_CAST64(lio->linfo.hw_addr));
/* 64-bit swap required on LE machines */
octeon_swap_8B_data(&lio->linfo.hw_addr, 1);
@@ -3958,9 +3978,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
goto setup_nic_dev_fail;
}
- dev_dbg(&octeon_dev->pci_dev->dev,
- "Setup NIC ifidx:%d mac:%02x%02x%02x%02x%02x%02x\n",
- i, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ pr_devel("Setup NIC ifidx:%d mac:%02x%02x%02x%02x%02x%02x\n",
+ i, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
netif_carrier_off(netdev);
lio->link_changes++;
@@ -3975,8 +3994,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
liquidio_set_feature(netdev, OCTNET_CMD_TNL_TX_CSUM_CTL,
OCTNET_CMD_TXCSUM_ENABLE);
- dev_dbg(&octeon_dev->pci_dev->dev,
- "NIC ifidx:%d Setup successful\n", i);
+ pr_devel("NIC ifidx:%d Setup successful\n", i);
octeon_free_soft_command(octeon_dev, sc);
}
@@ -3997,6 +4015,43 @@ setup_nic_wait_intr:
return -ENODEV;
}
+static int octeon_enable_sriov(struct octeon_device *oct)
+{
+ int err;
+ unsigned int num_vfs = oct->sriov_info.num_vfs;
+ struct pci_dev *vfdev;
+ u32 u;
+
+ if (OCTEON_CN23XX_PF(oct) && num_vfs) {
+ err = pci_enable_sriov(oct->pci_dev, oct->sriov_info.num_vfs);
+ if (err) {
+ dev_err(&oct->pci_dev->dev,
+ "OCTEON: Failed to enable PCI sriov: %d\n",
+ err);
+ return err;
+ }
+ oct->sriov_info.sriov_enabled = 1;
+
+ /* init lookup table that maps DPI ring number to VF pci_dev
+ * struct pointer
+ */
+ u = 0;
+ vfdev = pci_get_device(PCI_VENDOR_ID_CAVIUM,
+ OCTEON_CN23XX_VF_VID, NULL);
+ while (vfdev) {
+ if (vfdev->is_virtfn &&
+ (vfdev->physfn == oct->pci_dev)) {
+ oct->sriov_info.dpiring_to_vfpcidev_lut[u] =
+ vfdev;
+ u += oct->sriov_info.rings_per_vf;
+ }
+ vfdev = pci_get_device(PCI_VENDOR_ID_CAVIUM,
+ OCTEON_CN23XX_VF_VID, vfdev);
+ }
+ }
+ return 0;
+}
+
/**
* \brief initialize the NIC
* @param oct octeon device
@@ -4010,7 +4065,7 @@ static int liquidio_init_nic_module(struct octeon_device *oct)
int i, retval = 0;
int num_nic_ports = CFG_GET_NUM_NIC_PORTS(octeon_get_conf(oct));
- dev_dbg(&oct->pci_dev->dev, "Initializing network interfaces\n");
+ pr_devel("Initializing network interfaces\n");
/* only default iq and oq were initialized
* initialize the rest as well
@@ -4047,7 +4102,7 @@ static int liquidio_init_nic_module(struct octeon_device *oct)
intrmod_cfg->rx_frames = CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct));
intrmod_cfg->rx_usecs = CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct));
intrmod_cfg->tx_frames = CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct));
- dev_dbg(&oct->pci_dev->dev, "Network interfaces ready\n");
+ pr_devel("Network interfaces ready\n");
return retval;
@@ -4087,12 +4142,16 @@ static void nic_starter(struct work_struct *work)
atomic_set(&oct->status, OCT_DEV_RUNNING);
if (oct->app_mode && oct->app_mode == CVM_DRV_NIC_APP) {
- dev_dbg(&oct->pci_dev->dev, "Starting NIC module\n");
+ pr_devel("Starting NIC module\n");
- if (liquidio_init_nic_module(oct))
+ if (liquidio_init_nic_module(oct)) {
dev_err(&oct->pci_dev->dev, "NIC initialization failed\n");
- else
- handshake[oct->octeon_id].started_ok = 1;
+ } else {
+ if (octeon_enable_sriov(oct))
+ handshake[oct->octeon_id].started_ok = 0;
+ else
+ handshake[oct->octeon_id].started_ok = 1;
+ }
} else {
dev_err(&oct->pci_dev->dev,
"Unexpected application running on NIC (%d). Check firmware.\n",
@@ -4235,7 +4294,7 @@ static int octeon_device_init(struct octeon_device *octeon_dev)
}
/* Initialize the tasklet that handles output queue packet processing.*/
- dev_dbg(&octeon_dev->pci_dev->dev, "Initializing droq tasklet\n");
+ pr_devel("Initializing droq tasklet\n");
tasklet_init(&oct_priv->droq_tasklet, octeon_droq_bh,
(unsigned long)octeon_dev);
@@ -4257,7 +4316,7 @@ static int octeon_device_init(struct octeon_device *octeon_dev)
atomic_set(&octeon_dev->status, OCT_DEV_IO_QUEUES_DONE);
if ((!OCTEON_CN23XX_PF(octeon_dev)) || !fw_loaded) {
- dev_dbg(&octeon_dev->pci_dev->dev, "Waiting for DDR initialization...\n");
+ pr_devel("Waiting for DDR initialization...\n");
if (!ddr_timeout) {
dev_info(&octeon_dev->pci_dev->dev,
"WAITING. Set ddr_timeout to non-zero value to proceed with initialization.\n");
@@ -4289,7 +4348,7 @@ static int octeon_device_init(struct octeon_device *octeon_dev)
/* Divert uboot to take commands from host instead. */
ret = octeon_console_send_cmd(octeon_dev, bootcmd, 50);
- dev_dbg(&octeon_dev->pci_dev->dev, "Initializing consoles\n");
+ pr_devel("Initializing consoles\n");
ret = octeon_init_consoles(octeon_dev);
if (ret) {
dev_err(&octeon_dev->pci_dev->dev, "Could not access board consoles\n");
@@ -4303,7 +4362,7 @@ static int octeon_device_init(struct octeon_device *octeon_dev)
atomic_set(&octeon_dev->status, OCT_DEV_CONSOLE_INIT_DONE);
- dev_dbg(&octeon_dev->pci_dev->dev, "Loading firmware\n");
+ pr_devel("Loading firmware\n");
ret = load_firmware(octeon_dev);
if (ret) {
dev_err(&octeon_dev->pci_dev->dev, "Could not load firmware to board\n");
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_config.h b/drivers/net/ethernet/cavium/liquidio/octeon_config.h
index 0127a0e..8871fb5 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_config.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_config.h
@@ -471,4 +471,7 @@ struct octeon_config {
#define MAX_POSSIBLE_OCTEON_INSTR_QUEUES CN23XX_MAX_INPUT_QUEUES
#define MAX_POSSIBLE_OCTEON_OUTPUT_QUEUES CN23XX_MAX_OUTPUT_QUEUES
+
+#define MAX_POSSIBLE_VFS 64
+
#endif /* __OCTEON_CONFIG_H__ */
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.h b/drivers/net/ethernet/cavium/liquidio/octeon_device.h
index 89381ba..18e3050 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_device.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.h
@@ -38,6 +38,7 @@
#define OCTEON_CN68XX 0x0091
#define OCTEON_CN66XX 0x0092
#define OCTEON_CN23XX_PF_VID 0x9702
+#define OCTEON_CN23XX_VF_VID 0x9712
/**RevisionId for the chips */
#define OCTEON_CN23XX_REV_1_0 0x00
@@ -337,6 +338,10 @@ struct octeon_sriov_info {
/* total pf rings */
u32 trs;
+ u32 sriov_enabled;
+
+ /*lookup table that maps DPI ring number to VF pci_dev struct pointer*/
+ struct pci_dev *dpiring_to_vfpcidev_lut[MAX_POSSIBLE_VFS];
};
struct octeon_ioq_vector {
--
1.8.3.1
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