| Message ID | 20180910171550.5659-5-horia.geanta@nxp.com |
|---|---|
| State | New |
| Headers | show |
| Series | crypto: caam - add DPAA2 (DPSECI) driver | expand |
On Mon, Sep 10, 2018 at 12:19 PM Horia Geantă <horia.geanta@nxp.com> wrote: > > Add support for Congestion State Change Notifications (CSCN), which > allow DPIO users to be notified when a congestion group changes its > state (due to hitting the entrance / exit threshold). > > Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Acked-by: Li Yang <leoyang.li@nxp.com> > --- > include/soc/fsl/dpaa2-global.h | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/include/soc/fsl/dpaa2-global.h b/include/soc/fsl/dpaa2-global.h > index 9bc0713346a8..2bfc379d3dc9 100644 > --- a/include/soc/fsl/dpaa2-global.h > +++ b/include/soc/fsl/dpaa2-global.h > @@ -174,4 +174,19 @@ static inline const struct dpaa2_fd *dpaa2_dq_fd(const struct dpaa2_dq *dq) > return (const struct dpaa2_fd *)&dq->dq.fd[0]; > } > > +#define DPAA2_CSCN_SIZE sizeof(struct dpaa2_dq) > +#define DPAA2_CSCN_ALIGN 16 > +#define DPAA2_CSCN_STATE_CG BIT(0) > + > +/** > + * dpaa2_cscn_state_congested() - Check congestion state > + * @cscn: congestion SCN (delivered to WQ or memory) > + * > +i * Return true is congested. > + */ > +static inline bool dpaa2_cscn_state_congested(struct dpaa2_dq *cscn) > +{ > + return !!(cscn->scn.state & DPAA2_CSCN_STATE_CG); > +} > + > #endif /* __FSL_DPAA2_GLOBAL_H */ > -- > 2.16.2 >
diff --git a/include/soc/fsl/dpaa2-global.h b/include/soc/fsl/dpaa2-global.h index 9bc0713346a8..2bfc379d3dc9 100644 --- a/include/soc/fsl/dpaa2-global.h +++ b/include/soc/fsl/dpaa2-global.h @@ -174,4 +174,19 @@ static inline const struct dpaa2_fd *dpaa2_dq_fd(const struct dpaa2_dq *dq) return (const struct dpaa2_fd *)&dq->dq.fd[0]; } +#define DPAA2_CSCN_SIZE sizeof(struct dpaa2_dq) +#define DPAA2_CSCN_ALIGN 16 +#define DPAA2_CSCN_STATE_CG BIT(0) + +/** + * dpaa2_cscn_state_congested() - Check congestion state + * @cscn: congestion SCN (delivered to WQ or memory) + * +i * Return true is congested. + */ +static inline bool dpaa2_cscn_state_congested(struct dpaa2_dq *cscn) +{ + return !!(cscn->scn.state & DPAA2_CSCN_STATE_CG); +} + #endif /* __FSL_DPAA2_GLOBAL_H */
Add support for Congestion State Change Notifications (CSCN), which allow DPIO users to be notified when a congestion group changes its state (due to hitting the entrance / exit threshold). Signed-off-by: Horia Geantă <horia.geanta@nxp.com> --- include/soc/fsl/dpaa2-global.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+)