On 8/1/24 22:29, Michael Kowal wrote:
> From: Frederic Barrat <fbarrat@linux.ibm.com>
>
> The OGEN field at offset 0x1F is a new field for Gen2 TIMA. This
> patch defines it.
>
> Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
> Signed-off-by: Michael Kowal <kowal@linux.vnet.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Thanks,
C.
> ---
> include/hw/ppc/xive_regs.h | 1 +
> hw/intc/xive.c | 4 ++++
> 2 files changed, 5 insertions(+)
>
> diff --git a/include/hw/ppc/xive_regs.h b/include/hw/ppc/xive_regs.h
> index 9d52d464d9..9062c6abf6 100644
> --- a/include/hw/ppc/xive_regs.h
> +++ b/include/hw/ppc/xive_regs.h
> @@ -79,6 +79,7 @@
> #define TM_INC 0x5 /* - + - + */
> #define TM_AGE 0x6 /* - + - + */
> #define TM_PIPR 0x7 /* - + - + */
> +#define TM_OGEN 0xF /* - + - - */ /* P10 only */
>
> #define TM_WORD0 0x0
> #define TM_WORD1 0x4
> diff --git a/hw/intc/xive.c b/hw/intc/xive.c
> index 2fb38e2102..136d82338a 100644
> --- a/hw/intc/xive.c
> +++ b/hw/intc/xive.c
> @@ -742,6 +742,10 @@ void xive_tctx_reset(XiveTCTX *tctx)
> tctx->regs[TM_QW1_OS + TM_LSMFB] = 0xFF;
> tctx->regs[TM_QW1_OS + TM_ACK_CNT] = 0xFF;
> tctx->regs[TM_QW1_OS + TM_AGE] = 0xFF;
> + if (!(xive_presenter_get_config(tctx->xptr) &
> + XIVE_PRESENTER_GEN1_TIMA_OS)) {
> + tctx->regs[TM_QW1_OS + TM_OGEN] = 2;
> + }
>
> /*
> * Initialize PIPR to 0xFF to avoid phantom interrupts when the