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hv: ptirq: associate an irte with ptirq_remapping_info entry

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For a ptirq_remapping_info entry, when build IRTE:
- If the caller provides a valid IRTE, use the IRET
- If the caller doesn't provide a valid IRTE, allocate a IRET when the
entry doesn't have a valid IRTE, in this case, the IRET will be freed
when free the entry.

Tracked-On:#4831
Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Binbin Wu
2020-05-10 09:29:53 +00:00
committed by wenlingz
parent 2fe4280cfa
commit 7bfcc673a6
7 changed files with 47 additions and 22 deletions
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3
hypervisor/include/arch/x86/guest/assign.h
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@@ -50,6 +50,7 @@ void ptirq_intx_ack(struct acrn_vm *vm, uint32_t virt_gsi, enum intx_ctlr vgsi_c
* @param[in] phys_bdf virtual bdf associated with the passthrough device
* @param[in] entry_nr indicate coming vectors, entry_nr = 0 means first vector
* @param[in] info structure used for MSI/MSI-x remapping
* @param[in] irte_idx caller can pass a valid IRTE index, otherwise, use INVALID_IRTE_ID
*
* @return
* - 0: on success
@@ -62,7 +63,7 @@ void ptirq_intx_ack(struct acrn_vm *vm, uint32_t virt_gsi, enum intx_ctlr vgsi_c
*
*/
int32_t ptirq_prepare_msix_remap(struct acrn_vm *vm, uint16_t virt_bdf, uint16_t phys_bdf,
uint16_t entry_nr, struct msi_info *info);
uint16_t entry_nr, struct msi_info *info, uint16_t irte_idx);
/**