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hv: ptdev: remove vector index from structure ptdev_msi_info

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Since it's stored in source id already.

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Li, Fei1 2018-08-21 15:40:47 +08:00 committed by wenlingz
parent d8cc29b6ea
commit 2371839cad
4 changed files with 20 additions and 24 deletions
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38
hypervisor/arch/x86/assign.c
View File

@ -160,11 +160,11 @@ ptdev_build_physical_rte(struct vm *vm,
*/
static struct ptdev_remapping_info *
add_msix_remapping(struct vm *vm, uint16_t virt_bdf, uint16_t phys_bdf,
uint32_t msix_entry_index)
uint32_t entry_nr)
{
struct ptdev_remapping_info *entry;
DEFINE_MSI_SID(phys_sid, phys_bdf, msix_entry_index);
DEFINE_MSI_SID(virt_sid, virt_bdf, msix_entry_index);
DEFINE_MSI_SID(phys_sid, phys_bdf, entry_nr);
DEFINE_MSI_SID(virt_sid, virt_bdf, entry_nr);
spinlock_obtain(&ptdev_lock);
entry = ptdev_lookup_entry_by_sid(PTDEV_INTR_MSI, &phys_sid, NULL);
@ -194,7 +194,7 @@ add_msix_remapping(struct vm *vm, uint16_t virt_bdf, uint16_t phys_bdf,
entry->vm->vm_id, entry->virt_sid.msi_id.bdf,
vm->vm_id, virt_bdf);
ASSERT(false, "msix entry pbdf%x idx%d already in vm%d",
phys_bdf, msix_entry_index, entry->vm->vm_id);
phys_bdf, entry_nr, entry->vm->vm_id);
spinlock_release(&ptdev_lock);
return NULL;
@ -207,17 +207,17 @@ add_msix_remapping(struct vm *vm, uint16_t virt_bdf, uint16_t phys_bdf,
dev_dbg(ACRN_DBG_IRQ,
"VM%d MSIX add vector mapping vbdf%x:pbdf%x idx=%d",
entry->vm->vm_id, virt_bdf, phys_bdf, msix_entry_index);
entry->vm->vm_id, virt_bdf, phys_bdf, entry_nr);
return entry;
}
/* deactive & remove mapping entry of vbdf:msix_entry_index for vm */
/* deactive & remove mapping entry of vbdf:entry_nr for vm */
static void
remove_msix_remapping(struct vm *vm, uint16_t virt_bdf, uint32_t msix_entry_index)
remove_msix_remapping(struct vm *vm, uint16_t virt_bdf, uint32_t entry_nr)
{
struct ptdev_remapping_info *entry;
DEFINE_MSI_SID(virt_sid, virt_bdf, msix_entry_index);
DEFINE_MSI_SID(virt_sid, virt_bdf, entry_nr);
spinlock_obtain(&ptdev_lock);
entry = ptdev_lookup_entry_by_sid(PTDEV_INTR_MSI, &virt_sid, vm);
@ -233,7 +233,7 @@ remove_msix_remapping(struct vm *vm, uint16_t virt_bdf, uint32_t msix_entry_inde
dev_dbg(ACRN_DBG_IRQ,
"VM%d MSIX remove vector mapping vbdf-pbdf:0x%x-0x%x idx=%d",
entry->vm->vm_id, virt_bdf,
entry->phys_sid.msi_id.bdf, msix_entry_index);
entry->phys_sid.msi_id.bdf, entry_nr);
release_entry(entry);
@ -477,17 +477,17 @@ void ptdev_intx_ack(struct vm *vm, uint8_t virt_pin,
/* Main entry for PCI device assignment with MSI and MSI-X
* MSI can up to 8 vectors and MSI-X can up to 1024 Vectors
* We use msix_entry_index to indicate coming vectors
* msix_entry_index = 0 means first vector
* user must provide bdf and msix_entry_index
* We use entry_nr to indicate coming vectors
* entry_nr = 0 means first vector
* user must provide bdf and entry_nr
*
* This function is called by SOS pci MSI config routine through hcall
*/
int ptdev_msix_remap(struct vm *vm, uint16_t virt_bdf,
struct ptdev_msi_info *info)
uint16_t entry_nr, struct ptdev_msi_info *info)
{
struct ptdev_remapping_info *entry;
DEFINE_MSI_SID(virt_sid, virt_bdf, info->msix_entry_index);
DEFINE_MSI_SID(virt_sid, virt_bdf, entry_nr);
/*
* Device Model should pre-hold the mapping entries by calling
@ -502,8 +502,8 @@ int ptdev_msix_remap(struct vm *vm, uint16_t virt_bdf,
if (entry == NULL) {
/* VM0 we add mapping dynamically */
if (is_vm0(vm)) {
entry = add_msix_remapping(vm, virt_bdf, virt_bdf,
info->msix_entry_index);
entry = add_msix_remapping(vm,
virt_bdf, virt_bdf, entry_nr);
if (entry == NULL) {
pr_err("dev-assign: msi entry exist in others");
return -ENODEV;
@ -532,10 +532,8 @@ int ptdev_msix_remap(struct vm *vm, uint16_t virt_bdf,
dev_dbg(ACRN_DBG_IRQ,
"PCI %x:%x.%x MSI VR[%d] 0x%x->0x%x assigned to vm%d",
(virt_bdf >> 8) & 0xFFU,
(virt_bdf >> 3) & 0x1FU,
(virt_bdf) & 0x7U,
info->msix_entry_index,
(virt_bdf >> 8) & 0xFFU, (virt_bdf >> 3) & 0x1FU,
(virt_bdf) & 0x7U, entry_nr,
entry->msi.virt_vector,
entry->msi.phys_vector,
entry->vm->vm_id);

3
hypervisor/common/hypercall.c
View File

@ -623,13 +623,12 @@ int32_t hcall_remap_pci_msix(struct vm *vm, uint16_t vmid, uint64_t param)
ret = -1;
} else {
info.msix = remap.msix;
info.msix_entry_index = remap.msix_entry_index;
info.vmsi_ctl = remap.msi_ctl;
info.vmsi_addr = remap.msi_addr;
info.vmsi_data = remap.msi_data;
ret = ptdev_msix_remap(target_vm,
remap.virt_bdf, &info);
remap.virt_bdf, remap.msix_entry_index, &info);
remap.msi_data = info.pmsi_data;
remap.msi_addr = info.pmsi_addr;

2
hypervisor/include/arch/x86/assign.h
View File

@ -12,7 +12,7 @@
void ptdev_intx_ack(struct vm *vm, uint8_t virt_pin,
enum ptdev_vpin_source vpin_src);
int ptdev_msix_remap(struct vm *vm, uint16_t virt_bdf,
struct ptdev_msi_info *info);
uint16_t entry_nr, struct ptdev_msi_info *info);
int ptdev_intx_pin_remap(struct vm *vm, uint8_t virt_pin,
enum ptdev_vpin_source vpin_src);
int ptdev_add_intx_remapping(struct vm *vm, __unused uint16_t virt_bdf,

1
hypervisor/include/common/ptdev.h
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@ -44,7 +44,6 @@ struct ptdev_msi_info {
uint32_t pmsi_addr; /* phys msi_addr */
uint32_t pmsi_data; /* phys msi_data */
int msix; /* 0-MSI, 1-MSIX */
uint32_t msix_entry_index; /* MSI: 0, MSIX: index of vector table*/
uint32_t virt_vector;
uint32_t phys_vector;
};