diff options
6 files changed, 32 insertions, 9 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index 232e0a622ee7..5ae15046e585 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -796,7 +796,6 @@ static inline void nn_pci_flush(struct nfp_net *nn) * either add to a pointer or to read the pointer value. */ #define NFP_QCP_QUEUE_ADDR_SZ 0x800 -#define NFP_QCP_QUEUE_AREA_SZ 0x80000 #define NFP_QCP_QUEUE_OFF(_x) ((_x) * NFP_QCP_QUEUE_ADDR_SZ) #define NFP_QCP_QUEUE_ADD_RPTR 0x0000 #define NFP_QCP_QUEUE_ADD_WPTR 0x0004 @@ -805,9 +804,6 @@ static inline void nn_pci_flush(struct nfp_net *nn) #define NFP_QCP_QUEUE_STS_HI 0x000c #define NFP_QCP_QUEUE_STS_HI_WRITEPTR_mask 0x3ffff -/* The offset of a QCP queues in the PCIe Target */ -#define NFP_PCIE_QUEUE(_q) (0x80000 + (NFP_QCP_QUEUE_ADDR_SZ * ((_q) & 0xff))) - /* nfp_qcp_ptr - Read or Write Pointer of a queue */ enum nfp_qcp_ptr { NFP_QCP_READ_PTR = 0, @@ -876,6 +872,8 @@ static inline u32 nfp_qcp_wr_ptr_read(u8 __iomem *q) return _nfp_qcp_read(q, NFP_QCP_WRITE_PTR); } +u32 nfp_qcp_queue_offset(const struct nfp_dev_info *dev_info, u16 queue); + static inline bool nfp_net_is_data_vnic(struct nfp_net *nn) { WARN_ON_ONCE(!nn->dp.netdev && nn->port); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 5d993772c1d9..ef8645b77e79 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -40,6 +40,7 @@ #include <net/vxlan.h> #include <net/xdp_sock_drv.h> +#include "nfpcore/nfp_dev.h" #include "nfpcore/nfp_nsp.h" #include "ccm.h" #include "nfp_app.h" @@ -65,6 +66,12 @@ void nfp_net_get_fw_version(struct nfp_net_fw_version *fw_ver, put_unaligned_le32(reg, fw_ver); } +u32 nfp_qcp_queue_offset(const struct nfp_dev_info *dev_info, u16 queue) +{ + queue &= dev_info->qc_idx_mask; + return dev_info->qc_addr_offset + NFP_QCP_QUEUE_ADDR_SZ * queue; +} + static dma_addr_t nfp_net_dma_map_rx(struct nfp_net_dp *dp, void *frag) { return dma_map_single_attrs(dp->dev, frag + NFP_NET_RX_BUF_HEADROOM, diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c index 8934d5418b1a..a18b99c93ab3 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c @@ -496,8 +496,9 @@ static int nfp_net_pci_map_mem(struct nfp_pf *pf) } cpp_id = NFP_CPP_ISLAND_ID(0, NFP_CPP_ACTION_RW, 0, 0); - mem = nfp_cpp_map_area(pf->cpp, "net.qc", cpp_id, NFP_PCIE_QUEUE(0), - NFP_QCP_QUEUE_AREA_SZ, &pf->qc_area); + mem = nfp_cpp_map_area(pf->cpp, "net.qc", cpp_id, + nfp_qcp_queue_offset(pf->dev_info, 0), + pf->dev_info->qc_area_sz, &pf->qc_area); if (IS_ERR(mem)) { nfp_err(pf->cpp, "Failed to map Queue Controller area.\n"); err = PTR_ERR(mem); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c index 1ac2a1d97c18..db4301f8cd85 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c @@ -40,7 +40,7 @@ static const char nfp_net_driver_name[] = "nfp_netvf"; static const struct pci_device_id nfp_netvf_pci_device_ids[] = { { PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000_VF, PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID, - PCI_ANY_ID, 0, NFP_DEV_NFP6000, + PCI_ANY_ID, 0, NFP_DEV_NFP6000_VF, }, { 0, } /* Required last entry. */ }; @@ -169,9 +169,9 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev, } startq = readl(ctrl_bar + NFP_NET_CFG_START_TXQ); - tx_bar_off = NFP_PCIE_QUEUE(startq); + tx_bar_off = nfp_qcp_queue_offset(dev_info, startq); startq = readl(ctrl_bar + NFP_NET_CFG_START_RXQ); - rx_bar_off = NFP_PCIE_QUEUE(startq); + rx_bar_off = nfp_qcp_queue_offset(dev_info, startq); /* Allocate and initialise the netdev */ nn = nfp_net_alloc(pdev, dev_info, ctrl_bar, true, diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.c index 5a8be13a5596..368c6a08d887 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.c @@ -2,14 +2,24 @@ /* Copyright (C) 2019 Netronome Systems, Inc. */ #include <linux/dma-mapping.h> +#include <linux/kernel.h> #include "nfp_dev.h" const struct nfp_dev_info nfp_dev_info[NFP_DEV_CNT] = { [NFP_DEV_NFP6000] = { .dma_mask = DMA_BIT_MASK(40), + .qc_idx_mask = GENMASK(7, 0), + .qc_addr_offset = 0x80000, + .chip_names = "NFP4000/NFP5000/NFP6000", .pcie_cfg_expbar_offset = 0x0400, .pcie_expl_offset = 0x1000, + .qc_area_sz = 0x80000, + }, + [NFP_DEV_NFP6000_VF] = { + .dma_mask = DMA_BIT_MASK(40), + .qc_idx_mask = GENMASK(7, 0), + .qc_addr_offset = 0, }, }; diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.h b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.h index ea61156c2075..4152be0f8b01 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.h +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.h @@ -8,14 +8,21 @@ enum nfp_dev_id { NFP_DEV_NFP6000, + NFP_DEV_NFP6000_VF, NFP_DEV_CNT, }; struct nfp_dev_info { + /* Required fields */ u64 dma_mask; + u32 qc_idx_mask; + u32 qc_addr_offset; + + /* PF-only fields */ const char *chip_names; u32 pcie_cfg_expbar_offset; u32 pcie_expl_offset; + u32 qc_area_sz; }; extern const struct nfp_dev_info nfp_dev_info[NFP_DEV_CNT]; |