backport changes to support AlmaLinux 9.7

Add RHEL_9_7_GE macro and kernel API compatibility for AlmaLinux 9.7
which backports kernel 6.13+ APIs:
- iommu_present() -> device_iommu_mapped()
- crc32c_le/crc32c.h -> crc32_le/crc32.h
- struct drm_driver .date member removal

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Signed-off-by: nindanaoto <matsuoka.kotaro@gmail.com>

Author: nindanaoto

src/runtime_src/core/pcie/driver/linux/xocl/lib/libxdma.c

@@ -4344,7 +4344,9 @@ MODULE_AUTHOR("Xilinx, Inc.");
 MODULE_DESCRIPTION(DRV_MODULE_DESC);
 MODULE_VERSION(DRV_MODULE_VERSION);
 MODULE_LICENSE("GPL v2");
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,16,0) || defined(RHEL_9_0_GE)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 13, 0)
+MODULE_IMPORT_NS("DMA_BUF");
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(5,16,0) || defined(RHEL_9_0_GE)
 MODULE_IMPORT_NS(DMA_BUF);
 #endif
 

src/runtime_src/core/pcie/driver/linux/xocl/mgmtpf/mgmt-core.c

@@ -12,7 +12,6 @@
  */
 #include "mgmt-core.h"
 
-#include <linux/crc32c.h>
 #include <linux/fs.h>
 #include <linux/ioctl.h>
 #include <linux/i2c.h>
@@ -24,6 +23,12 @@
 #include "version.h"
 #include "xclbin.h"
 #include "../xocl_drv.h"
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 13, 0) || defined(RHEL_9_7_GE)
+#include <linux/crc32.h>
+#else
+#include <linux/crc32c.h>
+#endif
 #include "../xocl_xclbin.h"
 
 #define SIZE_4KB  4096
@@ -852,7 +857,11 @@ static bool xclmgmt_is_same_domain(struct xclmgmt_dev *lro,
 		return false;
 	}
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 13, 0) || defined(RHEL_9_7_GE)
+	crc_chk = crc32_le(~0, (void *)mb_conn->kaddr, PAGE_SIZE);
+#else
 	crc_chk = crc32c_le(~0, (void *)mb_conn->kaddr, PAGE_SIZE);
+#endif
 	if (crc_chk != mb_conn->crc32) {
 		mgmt_info(lro, "crc32  : %x, %x\n",  mb_conn->crc32, crc_chk);
 		mgmt_info(lro, "failed to get the same CRC\n");

src/runtime_src/core/pcie/driver/linux/xocl/subdev/p2p.c

@@ -513,7 +513,11 @@ static void p2p_read_addr_mgmtpf(struct p2p *p2p)
 	mb_req->req = XCL_MAILBOX_REQ_READ_P2P_BAR_ADDR;
 	mb_p2p = (struct xcl_mailbox_p2p_bar_addr *)mb_req->data;
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 13, 0) && !defined(RHEL_9_7_GE)
 	if (!iommu_present(&pci_bus_type)){
+#else
+	if (!device_iommu_mapped(&pcidev->dev)) {
+#endif
 		mb_p2p->p2p_bar_len = pci_resource_len(pcidev, p2p->p2p_bar_idx);
 		mb_p2p->p2p_bar_addr = pci_resource_start(pcidev,
 				p2p->p2p_bar_idx);

src/runtime_src/core/pcie/driver/linux/xocl/userpf/xocl_drm.c

@@ -558,7 +558,9 @@ static struct drm_driver mm_drm_driver = {
 #endif
 	.name				= XOCL_MODULE_NAME,
 	.desc				= XOCL_DRIVER_DESC,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 14, 0) && !defined(RHEL_9_7_GE)
 	.date				= driver_date,
+#endif
 };
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0) || defined(RHEL_8_5_GE)

src/runtime_src/core/pcie/driver/linux/xocl/userpf/xocl_drv.c

@@ -7,7 +7,6 @@
  */
 
 #include <linux/aer.h>
-#include <linux/crc32c.h>
 #include <linux/iommu.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -21,6 +20,12 @@
 #include "xocl_errors.h"
 #include "../xocl_drv.h"
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 13, 0) || defined(RHEL_9_7_GE)
+#include <linux/crc32.h>
+#else
+#include <linux/crc32c.h>
+#endif
+
 
 #ifndef PCI_EXT_CAP_ID_REBAR
 #define PCI_EXT_CAP_ID_REBAR 0x15
@@ -621,7 +626,11 @@ static void xocl_mb_connect(struct xocl_dev *xdev)
 	mb_conn->kaddr = (uint64_t)kaddr;
 	mb_conn->paddr = (uint64_t)virt_to_phys(kaddr);
 	get_random_bytes(kaddr, PAGE_SIZE);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 13, 0) || defined(RHEL_9_7_GE)
+	mb_conn->crc32 = crc32_le(~0, kaddr, PAGE_SIZE);
+#else
 	mb_conn->crc32 = crc32c_le(~0, kaddr, PAGE_SIZE);
+#endif
 	mb_conn->version = XCL_MB_PROTOCOL_VER;
 
 	ret = xocl_peer_request(xdev, mb_req, reqlen, resp, &resplen,
@@ -2052,6 +2061,8 @@ MODULE_VERSION(XRT_DRIVER_VERSION);
 MODULE_DESCRIPTION(XOCL_DRIVER_DESC);
 MODULE_AUTHOR("Lizhi Hou <lizhi.hou@xilinx.com>");
 MODULE_LICENSE("GPL v2");
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,16,0)  || defined(RHEL_9_0_GE)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 13, 0)
+MODULE_IMPORT_NS("DMA_BUF");
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(5,16,0)  || defined(RHEL_9_0_GE)
 MODULE_IMPORT_NS(DMA_BUF);
 #endif

src/runtime_src/core/pcie/driver/linux/xocl/xocl_drv.h

@@ -169,6 +169,9 @@
 #endif
 
 #if defined(RHEL_RELEASE_CODE)
+#if RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(9, 7)
+#define RHEL_9_7_GE
+#endif
 #if RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(9, 5)
 #define RHEL_9_5_GE
 #endif