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doc: fix doc error in ivshmem mmio registers #8745

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doc: fix doc error in ivshmem mmio registers #8745

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9 changes: 5 additions & 4 deletions doc/developer-guides/hld/ivshmem-hld.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -107,22 +107,23 @@ MMIO Registers Definition
- 0x0
- R/W
- Interrupt Mask register is used for legacy interrupt.
ivshmem doesn't support interrupts, so this register is reserved.
IVSHMEM doesn't support legacy INTx interrupts, so this register
is reserved.
* - IVSHMEM\_IRQ\_STA\_REG
- 0x4
- R/W
- Interrupt Status register is used for legacy interrupt.
ivshmem doesn't support interrupts, so this register is reserved.
IVSHMEM doesn't support legacy INTx interrupts, so this register
is reserved.
* - IVSHMEM\_IV\_POS\_REG
- 0x8
- RO
- Inter-VM Position register is used to identify the VM ID.
Its value is zero.
Its value is equal to device ID.
* - IVSHMEM\_DOORBELL\_REG
- 0xC
- WO
- Doorbell register is used to trigger an interrupt to the peer VM.
ivshmem doesn't support interrupts.

Usage
*****
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