From 068b2b649fc1fa340b53114350457d40b31aeedb Mon Sep 17 00:00:00 2001 From: Shinas Rasheed Date: Tue, 28 Nov 2023 20:53:48 -0800 Subject: [PATCH] octeon_ep: support OCTEON CN98 devices Add PCI Endpoint NIC support for Octeon CN98 devices. CN98 devices are part of Octeon 9 family products with similar PCI NIC characteristics to CN93, already supported driver. Add CN98 card to the device id table, as well as support differences in the register fields and certain usage scenarios such as unload. Signed-off-by: Shinas Rasheed Link: https://lore.kernel.org/r/20231129045348.2538843-3-srasheed@marvell.com Signed-off-by: Jakub Kicinski --- .../ethernet/marvell/octeon_ep.rst | 1 + .../marvell/octeon_ep/octep_cn9k_pf.c | 24 +++++++++++++++---- .../ethernet/marvell/octeon_ep/octep_main.c | 4 ++++ .../ethernet/marvell/octeon_ep/octep_main.h | 1 + .../marvell/octeon_ep/octep_regs_cn9k_pf.h | 4 ++++ 5 files changed, 30 insertions(+), 4 deletions(-) diff --git a/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst b/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst index 613a818d5db6e..c96d262b30bee 100644 --- a/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst +++ b/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst @@ -22,6 +22,7 @@ EndPoint NIC. Supported Devices ================= Currently, this driver support following devices: + * Network controller: Cavium, Inc. Device b100 * Network controller: Cavium, Inc. Device b200 * Network controller: Cavium, Inc. Device b400 * Network controller: Cavium, Inc. Device b900 diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_cn9k_pf.c b/drivers/net/ethernet/marvell/octeon_ep/octep_cn9k_pf.c index d4ee2454675b6..8baabd07e91f4 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_cn9k_pf.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_cn9k_pf.c @@ -216,9 +216,15 @@ static void octep_init_config_cn93_pf(struct octep_device *oct) conf->sriov_cfg.vf_srn = CN93_SDP_EPF_RINFO_SRN(val); val = octep_read_csr64(oct, CN93_SDP_MAC_PF_RING_CTL(oct->pcie_port)); - conf->pf_ring_cfg.srn = CN93_SDP_MAC_PF_RING_CTL_SRN(val); - conf->pf_ring_cfg.max_io_rings = CN93_SDP_MAC_PF_RING_CTL_RPPF(val); - conf->pf_ring_cfg.active_io_rings = conf->pf_ring_cfg.max_io_rings; + if (oct->chip_id == OCTEP_PCI_DEVICE_ID_CN98_PF) { + conf->pf_ring_cfg.srn = CN98_SDP_MAC_PF_RING_CTL_SRN(val); + conf->pf_ring_cfg.max_io_rings = CN98_SDP_MAC_PF_RING_CTL_RPPF(val); + conf->pf_ring_cfg.active_io_rings = conf->pf_ring_cfg.max_io_rings; + } else { + conf->pf_ring_cfg.srn = CN93_SDP_MAC_PF_RING_CTL_SRN(val); + conf->pf_ring_cfg.max_io_rings = CN93_SDP_MAC_PF_RING_CTL_RPPF(val); + conf->pf_ring_cfg.active_io_rings = conf->pf_ring_cfg.max_io_rings; + } dev_info(&pdev->dev, "pf_srn=%u rpvf=%u nvfs=%u rppf=%u\n", conf->pf_ring_cfg.srn, conf->sriov_cfg.active_rings_per_vf, conf->sriov_cfg.active_vfs, conf->pf_ring_cfg.active_io_rings); @@ -578,6 +584,13 @@ static irqreturn_t octep_ioq_intr_handler_cn93_pf(void *data) return IRQ_HANDLED; } +/* soft reset of 98xx */ +static int octep_soft_reset_cn98_pf(struct octep_device *oct) +{ + dev_info(&oct->pdev->dev, "CN98XX: skip soft reset\n"); + return 0; +} + /* soft reset of 93xx */ static int octep_soft_reset_cn93_pf(struct octep_device *oct) { @@ -806,7 +819,10 @@ void octep_device_setup_cn93_pf(struct octep_device *oct) oct->hw_ops.misc_intr_handler = octep_misc_intr_handler_cn93_pf; oct->hw_ops.rsvd_intr_handler = octep_rsvd_intr_handler_cn93_pf; oct->hw_ops.ioq_intr_handler = octep_ioq_intr_handler_cn93_pf; - oct->hw_ops.soft_reset = octep_soft_reset_cn93_pf; + if (oct->chip_id == OCTEP_PCI_DEVICE_ID_CN98_PF) + oct->hw_ops.soft_reset = octep_soft_reset_cn98_pf; + else + oct->hw_ops.soft_reset = octep_soft_reset_cn93_pf; oct->hw_ops.reinit_regs = octep_reinit_regs_cn93_pf; oct->hw_ops.enable_interrupts = octep_enable_interrupts_cn93_pf; diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index 423eec5ff3ad5..1a24b3d3cce6b 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -22,6 +22,7 @@ struct workqueue_struct *octep_wq; /* Supported Devices */ static const struct pci_device_id octep_pci_id_tbl[] = { + {PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, OCTEP_PCI_DEVICE_ID_CN98_PF)}, {PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, OCTEP_PCI_DEVICE_ID_CN93_PF)}, {PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, OCTEP_PCI_DEVICE_ID_CNF95N_PF)}, {PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, OCTEP_PCI_DEVICE_ID_CN10KA_PF)}, @@ -1147,6 +1148,8 @@ static void octep_ctrl_mbox_task(struct work_struct *work) static const char *octep_devid_to_str(struct octep_device *oct) { switch (oct->chip_id) { + case OCTEP_PCI_DEVICE_ID_CN98_PF: + return "CN98XX"; case OCTEP_PCI_DEVICE_ID_CN93_PF: return "CN93XX"; case OCTEP_PCI_DEVICE_ID_CNF95N_PF: @@ -1197,6 +1200,7 @@ int octep_device_setup(struct octep_device *oct) dev_info(&pdev->dev, "chip_id = 0x%x\n", pdev->device); switch (oct->chip_id) { + case OCTEP_PCI_DEVICE_ID_CN98_PF: case OCTEP_PCI_DEVICE_ID_CN93_PF: case OCTEP_PCI_DEVICE_ID_CNF95N_PF: dev_info(&pdev->dev, "Setting up OCTEON %s PF PASS%d.%d\n", diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.h b/drivers/net/ethernet/marvell/octeon_ep/octep_main.h index e2fe8b28eb0ec..e1b4b2af618ed 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.h @@ -18,6 +18,7 @@ #define OCTEP_PCIID_CN93_PF 0xB200177d #define OCTEP_PCIID_CN93_VF 0xB203177d +#define OCTEP_PCI_DEVICE_ID_CN98_PF 0xB100 #define OCTEP_PCI_DEVICE_ID_CN93_PF 0xB200 #define OCTEP_PCI_DEVICE_ID_CN93_VF 0xB203 diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h b/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h index 0a43983e91015..2e20a39d89aff 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h @@ -362,6 +362,10 @@ #define CN93_SDP_MAC_PF_RING_CTL_SRN(val) (((val) >> 8) & 0xFF) #define CN93_SDP_MAC_PF_RING_CTL_RPPF(val) (((val) >> 16) & 0x3F) +#define CN98_SDP_MAC_PF_RING_CTL_NPFS(val) (((val) >> 48) & 0xF) +#define CN98_SDP_MAC_PF_RING_CTL_SRN(val) ((val) & 0xFF) +#define CN98_SDP_MAC_PF_RING_CTL_RPPF(val) (((val) >> 32) & 0x3F) + /* Number of non-queue interrupts in CN93xx */ #define CN93_NUM_NON_IOQ_INTR 16