Add patch to export kvm_ioctl_rq_line function in Hedge

Signed-off-by: Matias Ezequiel Vara Larsen <[email protected]>
Signed-off-by: Charalampos Mainas <[email protected]>

v5.7/0004-Export-kvm_vm_ioctl_irq_line.patch

@@ -0,0 +1,48 @@
+From 93c772d3132c8a7842f86968476eb7ad2b76710e Mon Sep 17 00:00:00 2001
+From: Charalampos Mainas <[email protected]>
+Date: Fri, 1 Dec 2023 15:21:58 +0200
+Subject: [PATCH] Export kvm_vm_ioctl_irq_line
+
+A small patch to export the kvm_vm_ioctl_irq_line function, in order to
+allow Hedge to use it.
+This function is required for serial console.
+
+Signed-off-by: Matias Ezequiel Vara Larsen <[email protected]>
+Signed-off-by: Charalampos Mainas <[email protected]>
+---
+ arch/x86/kvm/x86.c       | 7 +++++++
+ include/linux/kvm_host.h | 2 ++
+ 2 files changed, 9 insertions(+)
+
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index 8ea73933e..8eff97ca4 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -4820,6 +4820,13 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
+ 	return 0;
+ }
+
++int hedge_kvm_arch_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
++        bool line_status)
++{
++    return kvm_vm_ioctl_irq_line(kvm, irq_event, line_status);
++}
++EXPORT_SYMBOL(hedge_kvm_arch_vm_ioctl_irq_line);
++
+ int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
+ 			    struct kvm_enable_cap *cap)
+ {
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
+index 37e1c57a9..06cff0c5b 100644
+--- a/include/linux/kvm_host.h
++++ b/include/linux/kvm_host.h
+@@ -1440,4 +1440,6 @@ int hedge_kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *r
+ int hedge_kvm_coalesced_mmio_init(struct kvm *kvm);
+ int hedge_kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
+ 				   struct kvm_userspace_memory_region *mem);
++int hedge_kvm_arch_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
++				     bool line_status);
+ #endif
+-- 
+2.40.1
+

v5.8/0004-Export-kvm_vm_ioctl_irq_line.patch

@@ -0,0 +1,48 @@
+From 797d65e4129bc5175a2bde455e633f14e0fdd369 Mon Sep 17 00:00:00 2001
+From: Matias Ezequiel Vara Larsen <[email protected]>
+Date: Tue, 11 Oct 2022 19:43:32 +0000
+Subject: [PATCH] Export kvm_vm_ioctl_irq_line
+
+A small patch to export the kvm_vm_ioctl_irq_line function, in order to
+allow Hedge to use it.
+This function is required for serial console.
+
+Signed-off-by: Matias Ezequiel Vara Larsen <[email protected]>
+Signed-off-by: Charalampos Mainas <[email protected]>
+---
+ arch/x86/kvm/x86.c       | 7 +++++++
+ include/linux/kvm_host.h | 2 ++
+ 2 files changed, 9 insertions(+)
+
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index ccb1e1b6fd8a..45b1b970e52b 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -4926,6 +4926,13 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
+ 	return 0;
+ }
+
++int hedge_kvm_arch_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
++        bool line_status)
++{
++    return kvm_vm_ioctl_irq_line(kvm, irq_event, line_status);
++}
++EXPORT_SYMBOL(hedge_kvm_arch_vm_ioctl_irq_line);
++
+ int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
+ 			    struct kvm_enable_cap *cap)
+ {
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
+index 1997ea710c3e..9a4e3c1d8584 100644
+--- a/include/linux/kvm_host.h
++++ b/include/linux/kvm_host.h
+@@ -1458,4 +1458,6 @@ int hedge_kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
+ int hedge_kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
+                    struct kvm_guest_debug *dbg);
+ int hedge_kvm_vm_ioctl_set_tss_addr(struct kvm *kvm, unsigned long addr);
++int hedge_kvm_arch_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
++				      bool line_status);
+ #endif
+-- 
+2.20.1
+