Fix DMA changes post 5.18.*

drv/Makefile

@@ -28,6 +28,7 @@ LINUXINCLUDE := $(LINUXINCLUDE) -I$(src)/asic_reg
 #ccflags-y += -DCONFIG_GIM_HEARTBEAT_TIMER
 #ccflags-y += -D DRV_VERSION=1.0
 #ccflags-y += -DCONFIG_MMIO_QEMU_SECURITY
+ccflags-y += -Wno-error=implicit-function-declaration
 
 PWD := $(shell pwd)
 

drv/gim_adapter.c

@@ -694,7 +694,11 @@ uint32_t set_new_adapter(struct pci_dev *pdev)
 		write_register(pf, mmSMU_IND_INDEX_0, 0);
 
 		/* Set the dma mask to be 40 bits address range */
+#if(LINUX_VERSION_CODE < KERNEL_VERSION(5,18,0))
 		pci_set_dma_mask(curr->pf.pci_dev, 0xffffffffffull);
+#else
+		dma_set_mask(&curr->pf.pci_dev->dev, 0xffffffffffull);
+#endif
 
 		/* interrupt */
 		size = sizeof(struct interrupt_handler);

drv/gim_irqmgr.c

@@ -140,20 +140,37 @@ static int alloc_iv_ring(struct adapter *adapt)
 	ih->ivr_va = (struct iv_ring_entry *)kcl_mem_map_page_list(list, cnt);
 	gim_info("ih->ivr_va = %p\n", ih->ivr_va);
 
+#if(LINUX_VERSION_CODE < KERNEL_VERSION(5,18,0))
 	ih->ivr_ma.quad_part = pci_map_page(adapt->pf.pci_dev,
 						(struct page *)list[0], 0,
 						PAGE_SIZE,
 						PCI_DMA_BIDIRECTIONAL);
+#else
+	ih->ivr_ma.quad_part = dma_map_page(
+						&adapt->pf.pci_dev->dev,
+						(struct page *)list[0], 0,
+						PAGE_SIZE,
+						DMA_BIDIRECTIONAL);
+#endif
 	gim_info("ih->ivr_ma.quad_part = 0x%llx\n", ih->ivr_ma.quad_part);
 
+
 	ih->ivr_wptr_wb = (unsigned int *)((unsigned int *)ih->ivr_va
 						+ (ih->ivr_size_in_bytes/4));
 	gim_info("ih->ivr_wptr_wb = %p\n", ih->ivr_wptr_wb);
 
+#if(LINUX_VERSION_CODE < KERNEL_VERSION(5,18,0))
 	ih->ivr_wptr_wa.quad_part = pci_map_page(adapt->pf.pci_dev,
-						    (struct page *)list[1], 0,
-						    PAGE_SIZE,
-						    PCI_DMA_BIDIRECTIONAL);
+							(struct page *)list[1], 0,
+							PAGE_SIZE,
+							PCI_DMA_BIDIRECTIONAL);
+#else
+	ih->ivr_wptr_wa.quad_part = dma_map_page(
+							&adapt->pf.pci_dev->dev,
+							(struct page *)list[1], 0,
+							PAGE_SIZE,
+							DMA_BIDIRECTIONAL);
+#endif
 	gim_info("ih->ivr_wptr_wa.quad_part = 0x%llx\n",
 		ih->ivr_wptr_wa.quad_part);
 

drv/gim_kcl_os.c

@@ -71,8 +71,17 @@ void *kcl_mem_map_page_list(unsigned long *pagelist, unsigned int count)
 
 unsigned long long kcl_map_page(struct pci_dev *pci_dev, unsigned long p)
 {
-	return pci_map_page(pci_dev, (struct page *)p, 0,
-					PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+#if(LINUX_VERSION_CODE < KERNEL_VERSION(5,18,0))
+	return pci_map_page(pci_dev,
+					(struct page *)p, 0,
+					PAGE_SIZE,
+					PCI_DMA_BIDIRECTIONAL);
+#else
+	return dma_map_page(&pci_dev->dev,
+					(struct page *)p, 0,
+					PAGE_SIZE,
+					DMA_BIDIRECTIONAL);
+#endif
 }
 
 void kcl_mem_unmap(void *addr)

drv/gim_monitor_ioctl.c

@@ -289,8 +289,11 @@ int amdgim_create_cdev(void)
 		gim_err("Error %d while adding amdgim", ret);
 		goto fail_cdevadd;
 	}
-
+#if(LINUX_VERSION_CODE < KERNEL_VERSION(6,4,0))
 	amdgim_class = class_create(THIS_MODULE, AMDGIM_CLASS_NAME);
+#else
+	amdgim_class = class_create(AMDGIM_CLASS_NAME);
+#endif
 	device_create(amdgim_class, NULL, MKDEV(amdgim_pdev->major, 0),
 			NULL, AMDGIM_DEVICE_FILE_NAME);