From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/drivers/ntb/hw/intel/ntb_hw_gen1.c | 85 ++++++++++++++++++++++++++----------------
1 files changed, 53 insertions(+), 32 deletions(-)
diff --git a/kernel/drivers/ntb/hw/intel/ntb_hw_gen1.c b/kernel/drivers/ntb/hw/intel/ntb_hw_gen1.c
index 2ad263f..4f1add5 100644
--- a/kernel/drivers/ntb/hw/intel/ntb_hw_gen1.c
+++ b/kernel/drivers/ntb/hw/intel/ntb_hw_gen1.c
@@ -60,6 +60,7 @@
#include "ntb_hw_intel.h"
#include "ntb_hw_gen1.h"
#include "ntb_hw_gen3.h"
+#include "ntb_hw_gen4.h"
#define NTB_NAME "ntb_hw_intel"
#define NTB_DESC "Intel(R) PCI-E Non-Transparent Bridge Driver"
@@ -180,7 +181,7 @@
return ndev->reg->mw_bar[idx];
}
-static inline int ndev_db_addr(struct intel_ntb_dev *ndev,
+void ndev_db_addr(struct intel_ntb_dev *ndev,
phys_addr_t *db_addr, resource_size_t *db_size,
phys_addr_t reg_addr, unsigned long reg)
{
@@ -196,8 +197,6 @@
*db_size = ndev->reg->db_size;
dev_dbg(&ndev->ntb.pdev->dev, "Peer db size %llx\n", *db_size);
}
-
- return 0;
}
u64 ndev_db_read(struct intel_ntb_dev *ndev,
@@ -764,6 +763,8 @@
return ndev_ntb_debugfs_read(filp, ubuf, count, offp);
else if (pdev_is_gen3(ndev->ntb.pdev))
return ndev_ntb3_debugfs_read(filp, ubuf, count, offp);
+ else if (pdev_is_gen4(ndev->ntb.pdev))
+ return ndev_ntb4_debugfs_read(filp, ubuf, count, offp);
return -ENXIO;
}
@@ -1111,13 +1112,28 @@
ndev->self_reg->db_mask);
}
-int intel_ntb_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr,
- resource_size_t *db_size)
+static int intel_ntb_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr,
+ resource_size_t *db_size, u64 *db_data, int db_bit)
{
+ u64 db_bits;
struct intel_ntb_dev *ndev = ntb_ndev(ntb);
- return ndev_db_addr(ndev, db_addr, db_size, ndev->peer_addr,
+ if (unlikely(db_bit >= BITS_PER_LONG_LONG))
+ return -EINVAL;
+
+ db_bits = BIT_ULL(db_bit);
+
+ if (unlikely(db_bits & ~ntb_ndev(ntb)->db_valid_mask))
+ return -EINVAL;
+
+ ndev_db_addr(ndev, db_addr, db_size, ndev->peer_addr,
ndev->peer_reg->db_bell);
+
+ if (db_data)
+ *db_data = db_bits;
+
+
+ return 0;
}
static int intel_ntb_peer_db_set(struct ntb_dev *ntb, u64 db_bits)
@@ -1189,7 +1205,7 @@
ndev->peer_reg->spad);
}
-static u64 xeon_db_ioread(void __iomem *mmio)
+static u64 xeon_db_ioread(const void __iomem *mmio)
{
return (u64)ioread16(mmio);
}
@@ -1770,10 +1786,6 @@
goto err_dma_mask;
dev_warn(&pdev->dev, "Cannot DMA consistent highmem\n");
}
- rc = dma_coerce_mask_and_coherent(&ndev->ntb.dev,
- dma_get_mask(&pdev->dev));
- if (rc)
- goto err_dma_mask;
ndev->self_mmio = pci_iomap(pdev, 0, 0);
if (!ndev->self_mmio) {
@@ -1845,16 +1857,15 @@
int rc, node;
node = dev_to_node(&pdev->dev);
+ ndev = kzalloc_node(sizeof(*ndev), GFP_KERNEL, node);
+ if (!ndev) {
+ rc = -ENOMEM;
+ goto err_ndev;
+ }
+
+ ndev_init_struct(ndev, pdev);
if (pdev_is_gen1(pdev)) {
- ndev = kzalloc_node(sizeof(*ndev), GFP_KERNEL, node);
- if (!ndev) {
- rc = -ENOMEM;
- goto err_ndev;
- }
-
- ndev_init_struct(ndev, pdev);
-
rc = intel_ntb_init_pci(ndev, pdev);
if (rc)
goto err_init_pci;
@@ -1862,17 +1873,8 @@
rc = xeon_init_dev(ndev);
if (rc)
goto err_init_dev;
-
} else if (pdev_is_gen3(pdev)) {
- ndev = kzalloc_node(sizeof(*ndev), GFP_KERNEL, node);
- if (!ndev) {
- rc = -ENOMEM;
- goto err_ndev;
- }
-
- ndev_init_struct(ndev, pdev);
ndev->ntb.ops = &intel_ntb3_ops;
-
rc = intel_ntb_init_pci(ndev, pdev);
if (rc)
goto err_init_pci;
@@ -1880,10 +1882,18 @@
rc = gen3_init_dev(ndev);
if (rc)
goto err_init_dev;
+ } else if (pdev_is_gen4(pdev)) {
+ ndev->ntb.ops = &intel_ntb4_ops;
+ rc = intel_ntb_init_pci(ndev, pdev);
+ if (rc)
+ goto err_init_pci;
+ rc = gen4_init_dev(ndev);
+ if (rc)
+ goto err_init_dev;
} else {
rc = -EINVAL;
- goto err_ndev;
+ goto err_init_pci;
}
ndev_reset_unsafe_flags(ndev);
@@ -1902,7 +1912,7 @@
err_register:
ndev_deinit_debugfs(ndev);
- if (pdev_is_gen1(pdev) || pdev_is_gen3(pdev))
+ if (pdev_is_gen1(pdev) || pdev_is_gen3(pdev) || pdev_is_gen4(pdev))
xeon_deinit_dev(ndev);
err_init_dev:
intel_ntb_deinit_pci(ndev);
@@ -1918,7 +1928,7 @@
ntb_unregister_device(&ndev->ntb);
ndev_deinit_debugfs(ndev);
- if (pdev_is_gen1(pdev) || pdev_is_gen3(pdev))
+ if (pdev_is_gen1(pdev) || pdev_is_gen3(pdev) || pdev_is_gen4(pdev))
xeon_deinit_dev(ndev);
intel_ntb_deinit_pci(ndev);
kfree(ndev);
@@ -2023,6 +2033,7 @@
};
static const struct pci_device_id intel_ntb_pci_tbl[] = {
+ /* GEN1 */
{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_JSF)},
{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_SNB)},
{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_IVT)},
@@ -2038,7 +2049,12 @@
{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)},
+
+ /* GEN3 */
{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_SKX)},
+
+ /* GEN4 */
+ {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_NTB_B2B_ICX)},
{0}
};
MODULE_DEVICE_TABLE(pci, intel_ntb_pci_tbl);
@@ -2052,12 +2068,17 @@
static int __init intel_ntb_pci_driver_init(void)
{
+ int ret;
pr_info("%s %s\n", NTB_DESC, NTB_VER);
if (debugfs_initialized())
debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
- return pci_register_driver(&intel_ntb_pci_driver);
+ ret = pci_register_driver(&intel_ntb_pci_driver);
+ if (ret)
+ debugfs_remove_recursive(debugfs_dir);
+
+ return ret;
}
module_init(intel_ntb_pci_driver_init);
--
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