diff --git a/doc/developer-guides/hld/ivshmem-hld.rst b/doc/developer-guides/hld/ivshmem-hld.rst index 5401c4796..cb076d31c 100644 --- a/doc/developer-guides/hld/ivshmem-hld.rst +++ b/doc/developer-guides/hld/ivshmem-hld.rst @@ -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 *****