diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h index f5c1e792f26e..b88763010b85 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h @@ -14,6 +14,7 @@ #include <linux/pci.h> #include <linux/ptp_clock_kernel.h> #include <linux/timecounter.h> +#include <linux/iommu.h> #include <mbox.h> #include "otx2_reg.h" @@ -145,7 +146,7 @@ struct mbox { struct work_struct mbox_up_wrk; struct otx2_nic *pfvf; void *bbuf_base; /* Bounce buffer for mbox memory */ - atomic_t lock; /* serialize mailbox access */ + struct mutex lock; /* serialize mailbox access */ int num_msgs; /*mbox number of messages*/ int up_num_msgs;/* mbox_up number of messages*/ }; @@ -236,6 +237,7 @@ struct otx2_nic { void __iomem *reg_base; struct net_device *netdev; void *iommu_domain; + u16 iommu_domain_type; u16 xtra_hdr; u16 max_frs; @@ -427,18 +429,17 @@ static inline void otx2_sync_mbox_bbuf(struct otx2_mbox *mbox, int devid) static inline void otx2_mbox_lock_init(struct mbox *mbox) { - atomic_set(&mbox->lock, 0); + mutex_init(&mbox->lock); } static inline void otx2_mbox_lock(struct mbox *mbox) { - while (!(atomic_add_return(1, &mbox->lock) == 1)) - cpu_relax(); + mutex_lock(&mbox->lock); } static inline void otx2_mbox_unlock(struct mbox *mbox) { - atomic_set(&mbox->lock, 0); + mutex_unlock(&mbox->lock); } /* With the absence of API for 128-bit IO memory access for arm64, @@ -631,11 +632,40 @@ static inline int rvu_get_pf(u16 pcifunc) return (pcifunc >> RVU_PFVF_PF_SHIFT) & RVU_PFVF_PF_MASK; } +static inline dma_addr_t otx2_dma_map_page(struct otx2_nic *pfvf, + struct page *page, + size_t offset, size_t size, + enum dma_data_direction dir, + unsigned long attrs) +{ + dma_addr_t iova; + + if (pfvf->iommu_domain_type == IOMMU_DOMAIN_IDENTITY) + return page_to_phys(page) + offset; + + iova = dma_map_page_attrs(pfvf->dev, page, + offset, size, dir, attrs); + if (unlikely(dma_mapping_error(pfvf->dev, iova))) + return (dma_addr_t)NULL; + return iova; +} + +static inline void otx2_dma_unmap_page(struct otx2_nic *pfvf, + dma_addr_t addr, size_t size, + enum dma_data_direction dir, + unsigned long attrs) +{ + if (pfvf->iommu_domain_type == IOMMU_DOMAIN_IDENTITY) + return; + + dma_unmap_page_attrs(pfvf->dev, addr, size, dir, attrs); +} + /* MSI-X APIs */ void otx2_free_cints(struct otx2_nic *pfvf, int n); void otx2_set_cints_affinity(struct otx2_nic *pfvf); -int otx2_hw_set_mac_addr(struct otx2_nic *pfvf, struct net_device *netdev); +int otx2_hw_set_mac_addr(struct otx2_nic *pfvf, u8 *mac); int otx2_set_mac_address(struct net_device *netdev, void *p); int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu); void otx2_tx_timeout(struct net_device *netdev); @@ -724,6 +754,7 @@ int otx2_remove_flow(struct otx2_nic *pfvf, u32 location); int otx2_prepare_flow_request(struct ethtool_rx_flow_spec *fsp, struct npc_install_flow_req *req); int otx2_enable_rxvlan(struct otx2_nic *pf, bool enable); +int otx2_install_rxvlan_offload_flow(struct otx2_nic *pfvf); int otx2smqvf_probe(struct otx2_nic *vf); int otx2smqvf_remove(struct otx2_nic *vf); |