diff options
Diffstat (limited to 'drivers/ntb/hw/intel/ntb_hw_intel.c')
| -rw-r--r-- | drivers/ntb/hw/intel/ntb_hw_intel.c | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index 87751cfd6f4f..865a3e3cc581 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.c +++ b/drivers/ntb/hw/intel/ntb_hw_intel.c @@ -190,14 +190,17 @@ static inline int pdev_is_xeon(struct pci_dev *pdev) case PCI_DEVICE_ID_INTEL_NTB_SS_SNB: case PCI_DEVICE_ID_INTEL_NTB_SS_IVT: case PCI_DEVICE_ID_INTEL_NTB_SS_HSX: + case PCI_DEVICE_ID_INTEL_NTB_SS_BDX: case PCI_DEVICE_ID_INTEL_NTB_PS_JSF: case PCI_DEVICE_ID_INTEL_NTB_PS_SNB: case PCI_DEVICE_ID_INTEL_NTB_PS_IVT: case PCI_DEVICE_ID_INTEL_NTB_PS_HSX: + case PCI_DEVICE_ID_INTEL_NTB_PS_BDX: case PCI_DEVICE_ID_INTEL_NTB_B2B_JSF: case PCI_DEVICE_ID_INTEL_NTB_B2B_SNB: case PCI_DEVICE_ID_INTEL_NTB_B2B_IVT: case PCI_DEVICE_ID_INTEL_NTB_B2B_HSX: + case PCI_DEVICE_ID_INTEL_NTB_B2B_BDX: return 1; } return 0; @@ -237,7 +240,7 @@ static inline int ndev_ignore_unsafe(struct intel_ntb_dev *ndev, static int ndev_mw_to_bar(struct intel_ntb_dev *ndev, int idx) { - if (idx < 0 || idx > ndev->mw_count) + if (idx < 0 || idx >= ndev->mw_count) return -EINVAL; return ndev->reg->mw_bar[idx]; } @@ -572,10 +575,13 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf, "Connection Topology -\t%s\n", ntb_topo_string(ndev->ntb.topo)); - off += scnprintf(buf + off, buf_size - off, - "B2B Offset -\t\t%#lx\n", ndev->b2b_off); - off += scnprintf(buf + off, buf_size - off, - "B2B MW Idx -\t\t%d\n", ndev->b2b_idx); + if (ndev->b2b_idx != UINT_MAX) { + off += scnprintf(buf + off, buf_size - off, + "B2B MW Idx -\t\t%u\n", ndev->b2b_idx); + off += scnprintf(buf + off, buf_size - off, + "B2B Offset -\t\t%#lx\n", ndev->b2b_off); + } + off += scnprintf(buf + off, buf_size - off, "BAR4 Split -\t\t%s\n", ndev->bar4_split ? "yes" : "no"); @@ -1484,7 +1490,7 @@ static int xeon_setup_b2b_mw(struct intel_ntb_dev *ndev, pdev = ndev_pdev(ndev); mmio = ndev->self_mmio; - if (ndev->b2b_idx >= ndev->mw_count) { + if (ndev->b2b_idx == UINT_MAX) { dev_dbg(ndev_dev(ndev), "not using b2b mw\n"); b2b_bar = 0; ndev->b2b_off = 0; @@ -1776,6 +1782,13 @@ static int xeon_init_ntb(struct intel_ntb_dev *ndev) else ndev->b2b_idx = b2b_mw_idx; + if (ndev->b2b_idx >= ndev->mw_count) { + dev_dbg(ndev_dev(ndev), + "b2b_mw_idx %d invalid for mw_count %u\n", + b2b_mw_idx, ndev->mw_count); + return -EINVAL; + } + dev_dbg(ndev_dev(ndev), "setting up b2b mw idx %d means %d\n", b2b_mw_idx, ndev->b2b_idx); @@ -1843,6 +1856,9 @@ static int xeon_init_dev(struct intel_ntb_dev *ndev) case PCI_DEVICE_ID_INTEL_NTB_SS_HSX: case PCI_DEVICE_ID_INTEL_NTB_PS_HSX: case PCI_DEVICE_ID_INTEL_NTB_B2B_HSX: + case PCI_DEVICE_ID_INTEL_NTB_SS_BDX: + case PCI_DEVICE_ID_INTEL_NTB_PS_BDX: + case PCI_DEVICE_ID_INTEL_NTB_B2B_BDX: ndev->hwerr_flags |= NTB_HWERR_SDOORBELL_LOCKUP; break; } @@ -1857,6 +1873,9 @@ static int xeon_init_dev(struct intel_ntb_dev *ndev) case PCI_DEVICE_ID_INTEL_NTB_SS_HSX: case PCI_DEVICE_ID_INTEL_NTB_PS_HSX: case PCI_DEVICE_ID_INTEL_NTB_B2B_HSX: + case PCI_DEVICE_ID_INTEL_NTB_SS_BDX: + case PCI_DEVICE_ID_INTEL_NTB_PS_BDX: + case PCI_DEVICE_ID_INTEL_NTB_B2B_BDX: ndev->hwerr_flags |= NTB_HWERR_SB01BASE_LOCKUP; break; } @@ -1878,6 +1897,9 @@ static int xeon_init_dev(struct intel_ntb_dev *ndev) case PCI_DEVICE_ID_INTEL_NTB_SS_HSX: case PCI_DEVICE_ID_INTEL_NTB_PS_HSX: case PCI_DEVICE_ID_INTEL_NTB_B2B_HSX: + case PCI_DEVICE_ID_INTEL_NTB_SS_BDX: + case PCI_DEVICE_ID_INTEL_NTB_PS_BDX: + case PCI_DEVICE_ID_INTEL_NTB_B2B_BDX: ndev->hwerr_flags |= NTB_HWERR_B2BDOORBELL_BIT14; break; } @@ -1996,7 +2018,7 @@ static inline void ndev_init_struct(struct intel_ntb_dev *ndev, ndev->ntb.ops = &intel_ntb_ops; ndev->b2b_off = 0; - ndev->b2b_idx = INT_MAX; + ndev->b2b_idx = UINT_MAX; ndev->bar4_split = 0; @@ -2234,14 +2256,17 @@ static const struct pci_device_id intel_ntb_pci_tbl[] = { {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_SNB)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_IVT)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_HSX)}, + {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_BDX)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_PS_JSF)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_PS_SNB)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_PS_IVT)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_PS_HSX)}, + {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_PS_BDX)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_SS_JSF)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_SS_SNB)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_SS_IVT)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_SS_HSX)}, + {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_SS_BDX)}, {0} }; MODULE_DEVICE_TABLE(pci, intel_ntb_pci_tbl); |