diff options
author | Eiichi Tsukata <devel@etsukata.com> | 2019-12-09 16:29:32 +0900 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-12-18 02:34:11 +0100 |
commit | 7529a79607f86460dba0bc9b2c91b1359d5e675d (patch) | |
tree | fae999a769f1ded168b2fddac1e162b07f60ee71 /target/i386/kvm.c | |
parent | b902710f78cd982db23467b870ce53b3b8482f07 (diff) | |
download | qemu-7529a79607f86460dba0bc9b2c91b1359d5e675d.zip |
target/i386: remove unused pci-assign codes
Legacy PCI device assignment has been already removed in commit ab37bfc7d641
("pci-assign: Remove"), but some codes remain unused.
CC: qemu-trivial@nongnu.org
Signed-off-by: Eiichi Tsukata <devel@etsukata.com>
Message-Id: <20191209072932.313056-1-devel@etsukata.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/kvm.c')
-rw-r--r-- | target/i386/kvm.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 55e626590b..0b511906e3 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -4512,146 +4512,6 @@ int kvm_arch_irqchip_create(KVMState *s) } } -/* Classic KVM device assignment interface. Will remain x86 only. */ -int kvm_device_pci_assign(KVMState *s, PCIHostDeviceAddress *dev_addr, - uint32_t flags, uint32_t *dev_id) -{ - struct kvm_assigned_pci_dev dev_data = { - .segnr = dev_addr->domain, - .busnr = dev_addr->bus, - .devfn = PCI_DEVFN(dev_addr->slot, dev_addr->function), - .flags = flags, - }; - int ret; - - dev_data.assigned_dev_id = - (dev_addr->domain << 16) | (dev_addr->bus << 8) | dev_data.devfn; - - ret = kvm_vm_ioctl(s, KVM_ASSIGN_PCI_DEVICE, &dev_data); - if (ret < 0) { - return ret; - } - - *dev_id = dev_data.assigned_dev_id; - - return 0; -} - -int kvm_device_pci_deassign(KVMState *s, uint32_t dev_id) -{ - struct kvm_assigned_pci_dev dev_data = { - .assigned_dev_id = dev_id, - }; - - return kvm_vm_ioctl(s, KVM_DEASSIGN_PCI_DEVICE, &dev_data); -} - -static int kvm_assign_irq_internal(KVMState *s, uint32_t dev_id, - uint32_t irq_type, uint32_t guest_irq) -{ - struct kvm_assigned_irq assigned_irq = { - .assigned_dev_id = dev_id, - .guest_irq = guest_irq, - .flags = irq_type, - }; - - if (kvm_check_extension(s, KVM_CAP_ASSIGN_DEV_IRQ)) { - return kvm_vm_ioctl(s, KVM_ASSIGN_DEV_IRQ, &assigned_irq); - } else { - return kvm_vm_ioctl(s, KVM_ASSIGN_IRQ, &assigned_irq); - } -} - -int kvm_device_intx_assign(KVMState *s, uint32_t dev_id, bool use_host_msi, - uint32_t guest_irq) -{ - uint32_t irq_type = KVM_DEV_IRQ_GUEST_INTX | - (use_host_msi ? KVM_DEV_IRQ_HOST_MSI : KVM_DEV_IRQ_HOST_INTX); - - return kvm_assign_irq_internal(s, dev_id, irq_type, guest_irq); -} - -int kvm_device_intx_set_mask(KVMState *s, uint32_t dev_id, bool masked) -{ - struct kvm_assigned_pci_dev dev_data = { - .assigned_dev_id = dev_id, - .flags = masked ? KVM_DEV_ASSIGN_MASK_INTX : 0, - }; - - return kvm_vm_ioctl(s, KVM_ASSIGN_SET_INTX_MASK, &dev_data); -} - -static int kvm_deassign_irq_internal(KVMState *s, uint32_t dev_id, - uint32_t type) -{ - struct kvm_assigned_irq assigned_irq = { - .assigned_dev_id = dev_id, - .flags = type, - }; - - return kvm_vm_ioctl(s, KVM_DEASSIGN_DEV_IRQ, &assigned_irq); -} - -int kvm_device_intx_deassign(KVMState *s, uint32_t dev_id, bool use_host_msi) -{ - return kvm_deassign_irq_internal(s, dev_id, KVM_DEV_IRQ_GUEST_INTX | - (use_host_msi ? KVM_DEV_IRQ_HOST_MSI : KVM_DEV_IRQ_HOST_INTX)); -} - -int kvm_device_msi_assign(KVMState *s, uint32_t dev_id, int virq) -{ - return kvm_assign_irq_internal(s, dev_id, KVM_DEV_IRQ_HOST_MSI | - KVM_DEV_IRQ_GUEST_MSI, virq); -} - -int kvm_device_msi_deassign(KVMState *s, uint32_t dev_id) -{ - return kvm_deassign_irq_internal(s, dev_id, KVM_DEV_IRQ_GUEST_MSI | - KVM_DEV_IRQ_HOST_MSI); -} - -bool kvm_device_msix_supported(KVMState *s) -{ - /* The kernel lacks a corresponding KVM_CAP, so we probe by calling - * KVM_ASSIGN_SET_MSIX_NR with an invalid parameter. */ - return kvm_vm_ioctl(s, KVM_ASSIGN_SET_MSIX_NR, NULL) == -EFAULT; -} - -int kvm_device_msix_init_vectors(KVMState *s, uint32_t dev_id, - uint32_t nr_vectors) -{ - struct kvm_assigned_msix_nr msix_nr = { - .assigned_dev_id = dev_id, - .entry_nr = nr_vectors, - }; - - return kvm_vm_ioctl(s, KVM_ASSIGN_SET_MSIX_NR, &msix_nr); -} - -int kvm_device_msix_set_vector(KVMState *s, uint32_t dev_id, uint32_t vector, - int virq) -{ - struct kvm_assigned_msix_entry msix_entry = { - .assigned_dev_id = dev_id, - .gsi = virq, - .entry = vector, - }; - - return kvm_vm_ioctl(s, KVM_ASSIGN_SET_MSIX_ENTRY, &msix_entry); -} - -int kvm_device_msix_assign(KVMState *s, uint32_t dev_id) -{ - return kvm_assign_irq_internal(s, dev_id, KVM_DEV_IRQ_HOST_MSIX | - KVM_DEV_IRQ_GUEST_MSIX, 0); -} - -int kvm_device_msix_deassign(KVMState *s, uint32_t dev_id) -{ - return kvm_deassign_irq_internal(s, dev_id, KVM_DEV_IRQ_GUEST_MSIX | - KVM_DEV_IRQ_HOST_MSIX); -} - int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, uint64_t address, uint32_t data, PCIDevice *dev) { |