| pci-hyperv.c (00937f36b09e89c74e4a059dbb8acbf4b971d5eb) | pci-hyperv.c (721612994f53ed600b39a80d912b10f51960e2e3) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (c) Microsoft Corporation. 4 * 5 * Author: 6 * Jake Oshins <jakeo@microsoft.com> 7 * 8 * This driver acts as a paravirtual front-end for PCI Express root buses. --- 1212 unchanged lines hidden (view full) --- 1221 params->device_id = (hbus->hdev->dev_instance.b[5] << 24) | 1222 (hbus->hdev->dev_instance.b[4] << 16) | 1223 (hbus->hdev->dev_instance.b[7] << 8) | 1224 (hbus->hdev->dev_instance.b[6] & 0xf8) | 1225 PCI_FUNC(pdev->devfn); 1226 params->int_target.vector = cfg->vector; 1227 1228 /* | 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (c) Microsoft Corporation. 4 * 5 * Author: 6 * Jake Oshins <jakeo@microsoft.com> 7 * 8 * This driver acts as a paravirtual front-end for PCI Express root buses. --- 1212 unchanged lines hidden (view full) --- 1221 params->device_id = (hbus->hdev->dev_instance.b[5] << 24) | 1222 (hbus->hdev->dev_instance.b[4] << 16) | 1223 (hbus->hdev->dev_instance.b[7] << 8) | 1224 (hbus->hdev->dev_instance.b[6] & 0xf8) | 1225 PCI_FUNC(pdev->devfn); 1226 params->int_target.vector = cfg->vector; 1227 1228 /* |
| 1229 * Honoring apic->irq_delivery_mode set to dest_Fixed by | 1229 * Honoring apic->delivery_mode set to APIC_DELIVERY_MODE_FIXED by |
| 1230 * setting the HV_DEVICE_INTERRUPT_TARGET_MULTICAST flag results in a 1231 * spurious interrupt storm. Not doing so does not seem to have a 1232 * negative effect (yet?). 1233 */ 1234 1235 if (hbus->protocol_version >= PCI_PROTOCOL_VERSION_1_2) { 1236 /* 1237 * PCI_PROTOCOL_VERSION_1_2 supports the VP_SET version of the --- 81 unchanged lines hidden (view full) --- 1319static u32 hv_compose_msi_req_v1( 1320 struct pci_create_interrupt *int_pkt, struct cpumask *affinity, 1321 u32 slot, u8 vector) 1322{ 1323 int_pkt->message_type.type = PCI_CREATE_INTERRUPT_MESSAGE; 1324 int_pkt->wslot.slot = slot; 1325 int_pkt->int_desc.vector = vector; 1326 int_pkt->int_desc.vector_count = 1; | 1230 * setting the HV_DEVICE_INTERRUPT_TARGET_MULTICAST flag results in a 1231 * spurious interrupt storm. Not doing so does not seem to have a 1232 * negative effect (yet?). 1233 */ 1234 1235 if (hbus->protocol_version >= PCI_PROTOCOL_VERSION_1_2) { 1236 /* 1237 * PCI_PROTOCOL_VERSION_1_2 supports the VP_SET version of the --- 81 unchanged lines hidden (view full) --- 1319static u32 hv_compose_msi_req_v1( 1320 struct pci_create_interrupt *int_pkt, struct cpumask *affinity, 1321 u32 slot, u8 vector) 1322{ 1323 int_pkt->message_type.type = PCI_CREATE_INTERRUPT_MESSAGE; 1324 int_pkt->wslot.slot = slot; 1325 int_pkt->int_desc.vector = vector; 1326 int_pkt->int_desc.vector_count = 1; |
| 1327 int_pkt->int_desc.delivery_mode = dest_Fixed; | 1327 int_pkt->int_desc.delivery_mode = APIC_DELIVERY_MODE_FIXED; |
| 1328 1329 /* 1330 * Create MSI w/ dummy vCPU set, overwritten by subsequent retarget in 1331 * hv_irq_unmask(). 1332 */ 1333 int_pkt->int_desc.cpu_mask = CPU_AFFINITY_ALL; 1334 1335 return sizeof(*int_pkt); --- 4 unchanged lines hidden (view full) --- 1340 u32 slot, u8 vector) 1341{ 1342 int cpu; 1343 1344 int_pkt->message_type.type = PCI_CREATE_INTERRUPT_MESSAGE2; 1345 int_pkt->wslot.slot = slot; 1346 int_pkt->int_desc.vector = vector; 1347 int_pkt->int_desc.vector_count = 1; | 1328 1329 /* 1330 * Create MSI w/ dummy vCPU set, overwritten by subsequent retarget in 1331 * hv_irq_unmask(). 1332 */ 1333 int_pkt->int_desc.cpu_mask = CPU_AFFINITY_ALL; 1334 1335 return sizeof(*int_pkt); --- 4 unchanged lines hidden (view full) --- 1340 u32 slot, u8 vector) 1341{ 1342 int cpu; 1343 1344 int_pkt->message_type.type = PCI_CREATE_INTERRUPT_MESSAGE2; 1345 int_pkt->wslot.slot = slot; 1346 int_pkt->int_desc.vector = vector; 1347 int_pkt->int_desc.vector_count = 1; |
| 1348 int_pkt->int_desc.delivery_mode = dest_Fixed; | 1348 int_pkt->int_desc.delivery_mode = APIC_DELIVERY_MODE_FIXED; |
| 1349 1350 /* 1351 * Create MSI w/ dummy vCPU set targeting just one vCPU, overwritten 1352 * by subsequent retarget in hv_irq_unmask(). 1353 */ 1354 cpu = cpumask_first_and(affinity, cpu_online_mask); 1355 int_pkt->int_desc.processor_array[0] = 1356 hv_cpu_number_to_vp_number(cpu); --- 2142 unchanged lines hidden --- | 1349 1350 /* 1351 * Create MSI w/ dummy vCPU set targeting just one vCPU, overwritten 1352 * by subsequent retarget in hv_irq_unmask(). 1353 */ 1354 cpu = cpumask_first_and(affinity, cpu_online_mask); 1355 int_pkt->int_desc.processor_array[0] = 1356 hv_cpu_number_to_vp_number(cpu); --- 2142 unchanged lines hidden --- |