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Message-ID: <20231223025554.2316836-28-aleksander.lobakin@intel.com> Date: Sat, 23 Dec 2023 03:55:47 +0100 From: Alexander Lobakin <aleksander.lobakin@...el.com> To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com> Cc: Alexander Lobakin <aleksander.lobakin@...el.com>, Maciej Fijalkowski <maciej.fijalkowski@...el.com>, Michal Kubiak <michal.kubiak@...el.com>, Larysa Zaremba <larysa.zaremba@...el.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Willem de Bruijn <willemdebruijn.kernel@...il.com>, intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH RFC net-next 27/34] idpf: add support for sw interrupt From: Michal Kubiak <michal.kubiak@...el.com> Sometimes, it may be needed to be able to trigger a HW interrupt without a "real" interrupt from the hardware. Add the corresponding register fields to the register table. Signed-off-by: Michal Kubiak <michal.kubiak@...el.com> Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com> --- drivers/net/ethernet/intel/idpf/idpf_dev.c | 3 +++ drivers/net/ethernet/intel/idpf/idpf_txrx.h | 4 ++++ drivers/net/ethernet/intel/idpf/idpf_vf_dev.c | 3 +++ 3 files changed, 10 insertions(+) diff --git a/drivers/net/ethernet/intel/idpf/idpf_dev.c b/drivers/net/ethernet/intel/idpf/idpf_dev.c index 2c6776086130..335bf789d908 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_dev.c +++ b/drivers/net/ethernet/intel/idpf/idpf_dev.c @@ -100,6 +100,9 @@ static int idpf_intr_reg_init(struct idpf_vport *vport) intr->dyn_ctl_itridx_s = PF_GLINT_DYN_CTL_ITR_INDX_S; intr->dyn_ctl_intrvl_s = PF_GLINT_DYN_CTL_INTERVAL_S; intr->dyn_ctl_wb_on_itr_m = PF_GLINT_DYN_CTL_WB_ON_ITR_M; + intr->dyn_ctl_swint_trig_m = PF_GLINT_DYN_CTL_SWINT_TRIG_M; + intr->dyn_ctl_sw_itridx_ena_m = + PF_GLINT_DYN_CTL_SW_ITR_INDX_ENA_M; spacing = IDPF_ITR_IDX_SPACING(reg_vals[vec_id].itrn_index_spacing, IDPF_PF_ITR_IDX_SPACING); diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.h b/drivers/net/ethernet/intel/idpf/idpf_txrx.h index 20f484712ac2..fa21feddd204 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_txrx.h +++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.h @@ -347,6 +347,8 @@ struct idpf_vec_regs { * @dyn_ctl_itridx_m: Mask for ITR index * @dyn_ctl_intrvl_s: Register bit offset for ITR interval * @dyn_ctl_wb_on_itr_m: Mask for WB on ITR feature + * @dyn_ctl_swint_trig_m: Mask for SW ITR trigger register + * @dyn_ctl_sw_itridx_ena_m: Mask for SW ITR enable index * @rx_itr: RX ITR register * @tx_itr: TX ITR register * @icr_ena: Interrupt cause register offset @@ -360,6 +362,8 @@ struct idpf_intr_reg { u32 dyn_ctl_itridx_m; u32 dyn_ctl_intrvl_s; u32 dyn_ctl_wb_on_itr_m; + u32 dyn_ctl_swint_trig_m; + u32 dyn_ctl_sw_itridx_ena_m; void __iomem *rx_itr; void __iomem *tx_itr; void __iomem *icr_ena; diff --git a/drivers/net/ethernet/intel/idpf/idpf_vf_dev.c b/drivers/net/ethernet/intel/idpf/idpf_vf_dev.c index f5b0a0666636..a78ae0e618ca 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_vf_dev.c +++ b/drivers/net/ethernet/intel/idpf/idpf_vf_dev.c @@ -99,6 +99,9 @@ static int idpf_vf_intr_reg_init(struct idpf_vport *vport) intr->dyn_ctl_intena_msk_m = VF_INT_DYN_CTLN_INTENA_MSK_M; intr->dyn_ctl_itridx_s = VF_INT_DYN_CTLN_ITR_INDX_S; intr->dyn_ctl_wb_on_itr_m = VF_INT_DYN_CTLN_WB_ON_ITR_M; + intr->dyn_ctl_itridx_m = VF_INT_DYN_CTLN_ITR_INDX_M; + intr->dyn_ctl_sw_itridx_ena_m = + VF_INT_DYN_CTLN_SW_ITR_INDX_ENA_M; spacing = IDPF_ITR_IDX_SPACING(reg_vals[vec_id].itrn_index_spacing, IDPF_VF_ITR_IDX_SPACING); -- 2.43.0
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