Re: [PATCH v3 01/10] powerpc/pseries/vas: Use common names in VAS capability structure

2022-02-15 Thread Haren Myneni
On Mon, 2022-02-14 at 12:14 +1000, Nicholas Piggin wrote:
> Excerpts from Haren Myneni's message of January 22, 2022 5:54 am:
> > target/used/avail_creds provides credits usage to user space via
> > sysfs and the same interface can be used on PowerNV in future.
> > Remove "lpar" from these names so that applicable on both PowerVM
> > and PowerNV.
> 
> But not in this series? This is just to save you having to do more
> renaming later?

Thanks for your review. 
Yes, Removing _lpar_ in struct elements to make it clear so that can
easily add in sysfs patch.  

> 
> Reviewed-by: Nicholas Piggin 
> 
> > Signed-off-by: Haren Myneni 
> > ---
> >  arch/powerpc/platforms/pseries/vas.c | 10 +-
> >  arch/powerpc/platforms/pseries/vas.h |  6 +++---
> >  2 files changed, 8 insertions(+), 8 deletions(-)
> > 
> > diff --git a/arch/powerpc/platforms/pseries/vas.c
> > b/arch/powerpc/platforms/pseries/vas.c
> > index d243ddc58827..c0737379cc7b 100644
> > --- a/arch/powerpc/platforms/pseries/vas.c
> > +++ b/arch/powerpc/platforms/pseries/vas.c
> > @@ -310,8 +310,8 @@ static struct vas_window
> > *vas_allocate_window(int vas_id, u64 flags,
> >  
> > cop_feat_caps = >caps;
> >  
> > -   if (atomic_inc_return(_feat_caps->used_lpar_creds) >
> > -   atomic_read(_feat_caps->target_lpar_creds)) 
> > {
> > +   if (atomic_inc_return(_feat_caps->used_creds) >
> > +   atomic_read(_feat_caps->target_creds)) {
> > pr_err("Credits are not available to allocate
> > window\n");
> > rc = -EINVAL;
> > goto out;
> > @@ -385,7 +385,7 @@ static struct vas_window
> > *vas_allocate_window(int vas_id, u64 flags,
> > free_irq_setup(txwin);
> > h_deallocate_vas_window(txwin->vas_win.winid);
> >  out:
> > -   atomic_dec(_feat_caps->used_lpar_creds);
> > +   atomic_dec(_feat_caps->used_creds);
> > kfree(txwin);
> > return ERR_PTR(rc);
> >  }
> > @@ -445,7 +445,7 @@ static int vas_deallocate_window(struct
> > vas_window *vwin)
> > }
> >  
> > list_del(>win_list);
> > -   atomic_dec(>used_lpar_creds);
> > +   atomic_dec(>used_creds);
> > mutex_unlock(_pseries_mutex);
> >  
> > put_vas_user_win_ref(>task_ref);
> > @@ -521,7 +521,7 @@ static int __init get_vas_capabilities(u8 feat,
> > enum vas_cop_feat_type type,
> > }
> > caps->max_lpar_creds = be16_to_cpu(hv_caps->max_lpar_creds);
> > caps->max_win_creds = be16_to_cpu(hv_caps->max_win_creds);
> > -   atomic_set(>target_lpar_creds,
> > +   atomic_set(>target_creds,
> >be16_to_cpu(hv_caps->target_lpar_creds));
> > if (feat == VAS_GZIP_DEF_FEAT) {
> > caps->def_lpar_creds = be16_to_cpu(hv_caps-
> > >def_lpar_creds);
> > diff --git a/arch/powerpc/platforms/pseries/vas.h
> > b/arch/powerpc/platforms/pseries/vas.h
> > index 4ecb3fcabd10..fa7ce74f1e49 100644
> > --- a/arch/powerpc/platforms/pseries/vas.h
> > +++ b/arch/powerpc/platforms/pseries/vas.h
> > @@ -72,9 +72,9 @@ struct vas_cop_feat_caps {
> > };
> > /* Total LPAR available credits. Can be different from max LPAR
> > */
> > /* credits due to DLPAR operation */
> > -   atomic_ttarget_lpar_creds;
> > -   atomic_tused_lpar_creds; /* Used credits so far */
> > -   u16 avail_lpar_creds; /* Remaining available credits */
> > +   atomic_ttarget_creds;
> > +   atomic_tused_creds; /* Used credits so far */
> > +   u16 avail_creds;/* Remaining available credits */
> >  };
> >  
> >  /*
> > -- 
> > 2.27.0
> > 
> > 
> > 



Re: [PATCH v3 01/10] powerpc/pseries/vas: Use common names in VAS capability structure

2022-02-13 Thread Nicholas Piggin
Excerpts from Haren Myneni's message of January 22, 2022 5:54 am:
> 
> target/used/avail_creds provides credits usage to user space via
> sysfs and the same interface can be used on PowerNV in future.
> Remove "lpar" from these names so that applicable on both PowerVM
> and PowerNV.

But not in this series? This is just to save you having to do more
renaming later?

Reviewed-by: Nicholas Piggin 

> 
> Signed-off-by: Haren Myneni 
> ---
>  arch/powerpc/platforms/pseries/vas.c | 10 +-
>  arch/powerpc/platforms/pseries/vas.h |  6 +++---
>  2 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/pseries/vas.c 
> b/arch/powerpc/platforms/pseries/vas.c
> index d243ddc58827..c0737379cc7b 100644
> --- a/arch/powerpc/platforms/pseries/vas.c
> +++ b/arch/powerpc/platforms/pseries/vas.c
> @@ -310,8 +310,8 @@ static struct vas_window *vas_allocate_window(int vas_id, 
> u64 flags,
>  
>   cop_feat_caps = >caps;
>  
> - if (atomic_inc_return(_feat_caps->used_lpar_creds) >
> - atomic_read(_feat_caps->target_lpar_creds)) {
> + if (atomic_inc_return(_feat_caps->used_creds) >
> + atomic_read(_feat_caps->target_creds)) {
>   pr_err("Credits are not available to allocate window\n");
>   rc = -EINVAL;
>   goto out;
> @@ -385,7 +385,7 @@ static struct vas_window *vas_allocate_window(int vas_id, 
> u64 flags,
>   free_irq_setup(txwin);
>   h_deallocate_vas_window(txwin->vas_win.winid);
>  out:
> - atomic_dec(_feat_caps->used_lpar_creds);
> + atomic_dec(_feat_caps->used_creds);
>   kfree(txwin);
>   return ERR_PTR(rc);
>  }
> @@ -445,7 +445,7 @@ static int vas_deallocate_window(struct vas_window *vwin)
>   }
>  
>   list_del(>win_list);
> - atomic_dec(>used_lpar_creds);
> + atomic_dec(>used_creds);
>   mutex_unlock(_pseries_mutex);
>  
>   put_vas_user_win_ref(>task_ref);
> @@ -521,7 +521,7 @@ static int __init get_vas_capabilities(u8 feat, enum 
> vas_cop_feat_type type,
>   }
>   caps->max_lpar_creds = be16_to_cpu(hv_caps->max_lpar_creds);
>   caps->max_win_creds = be16_to_cpu(hv_caps->max_win_creds);
> - atomic_set(>target_lpar_creds,
> + atomic_set(>target_creds,
>  be16_to_cpu(hv_caps->target_lpar_creds));
>   if (feat == VAS_GZIP_DEF_FEAT) {
>   caps->def_lpar_creds = be16_to_cpu(hv_caps->def_lpar_creds);
> diff --git a/arch/powerpc/platforms/pseries/vas.h 
> b/arch/powerpc/platforms/pseries/vas.h
> index 4ecb3fcabd10..fa7ce74f1e49 100644
> --- a/arch/powerpc/platforms/pseries/vas.h
> +++ b/arch/powerpc/platforms/pseries/vas.h
> @@ -72,9 +72,9 @@ struct vas_cop_feat_caps {
>   };
>   /* Total LPAR available credits. Can be different from max LPAR */
>   /* credits due to DLPAR operation */
> - atomic_ttarget_lpar_creds;
> - atomic_tused_lpar_creds; /* Used credits so far */
> - u16 avail_lpar_creds; /* Remaining available credits */
> + atomic_ttarget_creds;
> + atomic_tused_creds; /* Used credits so far */
> + u16 avail_creds;/* Remaining available credits */
>  };
>  
>  /*
> -- 
> 2.27.0
> 
> 
>