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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-07 16:08:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-07 16:08:41 -0700
commit787f74fc5050c77e29a96f480f40421336eed5ac (patch)
tree44108cccfc18696e23014748df7d9bc4f40cc1e3 /drivers/ntb/hw/intel/ntb_hw_intel.h
parenta2b447066cacb6db82a1f69b46d9f894f695badf (diff)
parent2130c0ba69d69bb21f5c52787f2587db00d13d8a (diff)
Merge tag 'ntb-5.8' of git://github.com/jonmason/ntb
Pull NTB updates from Jon Mason: "Intel Icelake NTB support, Intel driver bug fixes, and lots of bug fixes for ntb tests" * tag 'ntb-5.8' of git://github.com/jonmason/ntb: NTB: ntb_test: Fix bug when counting remote files NTB: perf: Fix race condition when run with ntb_test NTB: perf: Fix support for hardware that doesn't have port numbers NTB: perf: Don't require one more memory window than number of peers NTB: ntb_pingpong: Choose doorbells based on port number NTB: Fix the default port and peer numbers for legacy drivers NTB: Revert the change to use the NTB device dev for DMA allocations NTB: ntb_tool: reading the link file should not end in a NULL byte ntb_perf: avoid false dma unmap of destination address ntb_perf: increase sleep time from one milli sec to one sec ntb_tool: pass correct struct device to dma_alloc_coherent ntb_perf: pass correct struct device to dma_alloc_coherent ntb: hw: remove the code that sets the DMA mask NTB: correct ntb_peer_spad_addr and ntb_peer_spad_read comment typos ntb: intel: fix static declaration ntb: intel: add hw workaround for NTB BAR alignment ntb: intel: Add Icelake (gen4) support for Intel NTB NTB: Fix static check warning in perf_clear_test include/ntb: Fix typo in ntb_unregister_device description
Diffstat (limited to 'drivers/ntb/hw/intel/ntb_hw_intel.h')
-rw-r--r--drivers/ntb/hw/intel/ntb_hw_intel.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.h b/drivers/ntb/hw/intel/ntb_hw_intel.h
index e071e28bca3f..d61fcd91714b 100644
--- a/drivers/ntb/hw/intel/ntb_hw_intel.h
+++ b/drivers/ntb/hw/intel/ntb_hw_intel.h
@@ -72,6 +72,7 @@
#define PCI_DEVICE_ID_INTEL_NTB_PS_BDX 0x6F0E
#define PCI_DEVICE_ID_INTEL_NTB_SS_BDX 0x6F0F
#define PCI_DEVICE_ID_INTEL_NTB_B2B_SKX 0x201C
+#define PCI_DEVICE_ID_INTEL_NTB_B2B_ICX 0x347e
/* Ntb control and link status */
#define NTB_CTL_CFG_LOCK BIT(0)
@@ -120,6 +121,7 @@ struct intel_ntb_xlat_reg {
unsigned long bar0_base;
unsigned long bar2_xlat;
unsigned long bar2_limit;
+ unsigned short bar2_idx;
};
struct intel_b2b_addr {
@@ -182,6 +184,9 @@ struct intel_ntb_dev {
struct dentry *debugfs_dir;
struct dentry *debugfs_info;
+
+ /* gen4 entries */
+ int dev_up;
};
#define ntb_ndev(__ntb) container_of(__ntb, struct intel_ntb_dev, ntb)
@@ -219,4 +224,11 @@ static inline int pdev_is_gen3(struct pci_dev *pdev)
return 0;
}
+static inline int pdev_is_gen4(struct pci_dev *pdev)
+{
+ if (pdev->device == PCI_DEVICE_ID_INTEL_NTB_B2B_ICX)
+ return 1;
+
+ return 0;
+}
#endif