Re: [PATCH 5/5] ocxl: Remove some unused exported symbols

2019-03-14 Thread Andrew Donnellan

On 15/3/19 3:49 pm, Andrew Donnellan wrote:

On 13/3/19 3:07 pm, Alastair D'Silva wrote:

From: Alastair D'Silva 

Remove some unused exported symbols.

Signed-off-by: Alastair D'Silva 


See comments on v1


Also a couple of sparse warnings at 
https://openpower.xyz/job/snowpatch/job/snowpatch-linux-sparse/4474//artifact/linux/actual_sparse_diff.txt






---
  drivers/misc/ocxl/config.c    |  2 --
  drivers/misc/ocxl/ocxl_internal.h | 23 +++
  include/misc/ocxl.h   | 23 ---
  3 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index 026ac2ac4f9c..c90c2e4875bf 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev *dev,
  }
  return 1;
  }
-EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
  static int read_afu_name(struct pci_dev *dev, struct ocxl_fn_config 
*fn,

  struct ocxl_afu_config *afu)
@@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev 
*dev, int *count)

  {
  return pnv_ocxl_get_pasid_count(dev, count);
  }
-EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
  void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int 
pasid_base,

  u32 pasid_count_log)
diff --git a/drivers/misc/ocxl/ocxl_internal.h 
b/drivers/misc/ocxl/ocxl_internal.h

index 321b29e77f45..06fd98c989c8 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -107,6 +107,29 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn, u32 
start, u32 size);

  int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
  void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
+/*
+ * Get the max PASID value that can be used by the function
+ */
+int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
+
+/*
+ * Check if an AFU index is valid for the given function.
+ *
+ * AFU indexes can be sparse, so a driver should check all indexes up
+ * to the maximum found in the function description
+ */
+int ocxl_config_check_afu_index(struct pci_dev *dev,
+    struct ocxl_fn_config *fn, int afu_idx);
+
+/**
+ * Update values within a Process Element
+ *
+ * link_handle: the link handle associated with the process element
+ * pasid: the PASID for the AFU context
+ * tid: the new thread id for the process element
+ */
+int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
+
  struct ocxl_context *ocxl_context_alloc(void);
  int ocxl_context_init(struct ocxl_context *ctx, struct ocxl_afu *afu,
  struct address_space *mapping);
diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h
index 4544573cc93c..9530d3be1b30 100644
--- a/include/misc/ocxl.h
+++ b/include/misc/ocxl.h
@@ -56,15 +56,6 @@ struct ocxl_fn_config {
  int ocxl_config_read_function(struct pci_dev *dev,
  struct ocxl_fn_config *fn);
-/*
- * Check if an AFU index is valid for the given function.
- *
- * AFU indexes can be sparse, so a driver should check all indexes up
- * to the maximum found in the function description
- */
-int ocxl_config_check_afu_index(struct pci_dev *dev,
-    struct ocxl_fn_config *fn, int afu_idx);
-
  /*
   * Read the configuration space of a function for the AFU specified by
   * the index 'afu_idx'. Fills in a ocxl_afu_config structure
@@ -74,11 +65,6 @@ int ocxl_config_read_afu(struct pci_dev *dev,
  struct ocxl_afu_config *afu,
  u8 afu_idx);
-/*
- * Get the max PASID value that can be used by the function
- */
-int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
-
  /*
   * Tell an AFU, by writing in the configuration space, the PASIDs that
   * it can use. Range starts at 'pasid_base' and its size is a multiple
@@ -188,15 +174,6 @@ int ocxl_link_add_pe(void *link_handle, int 
pasid, u32 pidr, u32 tidr,

  void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
  void *xsl_err_data);
-/**
- * Update values within a Process Element
- *
- * link_handle: the link handle associated with the process element
- * pasid: the PASID for the AFU context
- * tid: the new thread id for the process element
- */
-int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
-
  /*
   * Remove a Process Element from the Shared Process Area for a link
   */





--
Andrew Donnellan  OzLabs, ADL Canberra
andrew.donnel...@au1.ibm.com  IBM Australia Limited



Re: [PATCH 5/5] ocxl: Remove some unused exported symbols

2019-03-14 Thread Andrew Donnellan

On 13/3/19 3:07 pm, Alastair D'Silva wrote:

From: Alastair D'Silva 

Remove some unused exported symbols.

Signed-off-by: Alastair D'Silva 


See comments on v1


---
  drivers/misc/ocxl/config.c|  2 --
  drivers/misc/ocxl/ocxl_internal.h | 23 +++
  include/misc/ocxl.h   | 23 ---
  3 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index 026ac2ac4f9c..c90c2e4875bf 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev *dev,
}
return 1;
  }
-EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
  
  static int read_afu_name(struct pci_dev *dev, struct ocxl_fn_config *fn,

struct ocxl_afu_config *afu)
@@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev *dev, int 
*count)
  {
return pnv_ocxl_get_pasid_count(dev, count);
  }
-EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
  
  void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int pasid_base,

u32 pasid_count_log)
diff --git a/drivers/misc/ocxl/ocxl_internal.h 
b/drivers/misc/ocxl/ocxl_internal.h
index 321b29e77f45..06fd98c989c8 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -107,6 +107,29 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn, u32 start, 
u32 size);
  int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
  void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
  
+/*

+ * Get the max PASID value that can be used by the function
+ */
+int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
+
+/*
+ * Check if an AFU index is valid for the given function.
+ *
+ * AFU indexes can be sparse, so a driver should check all indexes up
+ * to the maximum found in the function description
+ */
+int ocxl_config_check_afu_index(struct pci_dev *dev,
+   struct ocxl_fn_config *fn, int afu_idx);
+
+/**
+ * Update values within a Process Element
+ *
+ * link_handle: the link handle associated with the process element
+ * pasid: the PASID for the AFU context
+ * tid: the new thread id for the process element
+ */
+int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
+
  struct ocxl_context *ocxl_context_alloc(void);
  int ocxl_context_init(struct ocxl_context *ctx, struct ocxl_afu *afu,
struct address_space *mapping);
diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h
index 4544573cc93c..9530d3be1b30 100644
--- a/include/misc/ocxl.h
+++ b/include/misc/ocxl.h
@@ -56,15 +56,6 @@ struct ocxl_fn_config {
  int ocxl_config_read_function(struct pci_dev *dev,
struct ocxl_fn_config *fn);
  
-/*

- * Check if an AFU index is valid for the given function.
- *
- * AFU indexes can be sparse, so a driver should check all indexes up
- * to the maximum found in the function description
- */
-int ocxl_config_check_afu_index(struct pci_dev *dev,
-   struct ocxl_fn_config *fn, int afu_idx);
-
  /*
   * Read the configuration space of a function for the AFU specified by
   * the index 'afu_idx'. Fills in a ocxl_afu_config structure
@@ -74,11 +65,6 @@ int ocxl_config_read_afu(struct pci_dev *dev,
struct ocxl_afu_config *afu,
u8 afu_idx);
  
-/*

- * Get the max PASID value that can be used by the function
- */
-int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
-
  /*
   * Tell an AFU, by writing in the configuration space, the PASIDs that
   * it can use. Range starts at 'pasid_base' and its size is a multiple
@@ -188,15 +174,6 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 
pidr, u32 tidr,
void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
void *xsl_err_data);
  
-/**

- * Update values within a Process Element
- *
- * link_handle: the link handle associated with the process element
- * pasid: the PASID for the AFU context
- * tid: the new thread id for the process element
- */
-int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
-
  /*
   * Remove a Process Element from the Shared Process Area for a link
   */



--
Andrew Donnellan  OzLabs, ADL Canberra
andrew.donnel...@au1.ibm.com  IBM Australia Limited



Re: [PATCH 5/5] ocxl: Remove some unused exported symbols

2019-03-14 Thread Greg Kurz
On Thu, 14 Mar 2019 13:23:21 +1100
"Alastair D'Silva"  wrote:

> On Wed, 2019-03-13 at 10:10 +0100, Greg Kurz wrote:
> > On Wed, 13 Mar 2019 15:07:01 +1100
> > "Alastair D'Silva"  wrote:
> >   
> > > From: Alastair D'Silva 
> > > 
> > > Remove some unused exported symbols.
> > > 
> > > Signed-off-by: Alastair D'Silva 
> > > ---
> > >  drivers/misc/ocxl/config.c|  2 --
> > >  drivers/misc/ocxl/ocxl_internal.h | 23 +++
> > >  include/misc/ocxl.h   | 23 ---
> > >  3 files changed, 23 insertions(+), 25 deletions(-)
> > > 
> > > diff --git a/drivers/misc/ocxl/config.c
> > > b/drivers/misc/ocxl/config.c
> > > index 026ac2ac4f9c..c90c2e4875bf 100644
> > > --- a/drivers/misc/ocxl/config.c
> > > +++ b/drivers/misc/ocxl/config.c
> > > @@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev
> > > *dev,
> > >   }
> > >   return 1;
> > >  }
> > > -EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
> > >  
> > >  static int read_afu_name(struct pci_dev *dev, struct
> > > ocxl_fn_config *fn,
> > >   struct ocxl_afu_config *afu)
> > > @@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev
> > > *dev, int *count)
> > >  {
> > >   return pnv_ocxl_get_pasid_count(dev, count);
> > >  }
> > > -EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
> > >  
> > >  void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int
> > > pasid_base,
> > >   u32 pasid_count_log)
> > > diff --git a/drivers/misc/ocxl/ocxl_internal.h
> > > b/drivers/misc/ocxl/ocxl_internal.h
> > > index 321b29e77f45..06fd98c989c8 100644
> > > --- a/drivers/misc/ocxl/ocxl_internal.h
> > > +++ b/drivers/misc/ocxl/ocxl_internal.h
> > > @@ -107,6 +107,29 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn,
> > > u32 start, u32 size);
> > >  int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
> > >  void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
> > >  
> > > +/*
> > > + * Get the max PASID value that can be used by the function
> > > + */
> > > +int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
> > > +
> > > +/*
> > > + * Check if an AFU index is valid for the given function.
> > > + *
> > > + * AFU indexes can be sparse, so a driver should check all indexes
> > > up
> > > + * to the maximum found in the function description
> > > + */
> > > +int ocxl_config_check_afu_index(struct pci_dev *dev,
> > > + struct ocxl_fn_config *fn, int
> > > afu_idx);
> > > +
> > > +/**  
> > 
> > Two *s ?
> >   
> 
> These are Sphinx formatted comments (similar, but not quite the same as
> Doxygen).
> 

Oh... should the other comments be converted to this format for consistency ?

> > Also, this results in an ocxl_internal.h header file where only these
> > three functions are documented... which looks a bit weird IMHO. Since
> > these are ocxl internals, do we _really_ need to keep the comments ?  
> 
> I believe we should, it's a courtesy to the next person who has to work
> in the area.
> 
> There are more documentation comments coming in further series.
> 

Fair enough.

Reviewed-by: Greg Kurz 


Re: [PATCH 5/5] ocxl: Remove some unused exported symbols

2019-03-13 Thread Alastair D'Silva
On Wed, 2019-03-13 at 10:10 +0100, Greg Kurz wrote:
> On Wed, 13 Mar 2019 15:07:01 +1100
> "Alastair D'Silva"  wrote:
> 
> > From: Alastair D'Silva 
> > 
> > Remove some unused exported symbols.
> > 
> > Signed-off-by: Alastair D'Silva 
> > ---
> >  drivers/misc/ocxl/config.c|  2 --
> >  drivers/misc/ocxl/ocxl_internal.h | 23 +++
> >  include/misc/ocxl.h   | 23 ---
> >  3 files changed, 23 insertions(+), 25 deletions(-)
> > 
> > diff --git a/drivers/misc/ocxl/config.c
> > b/drivers/misc/ocxl/config.c
> > index 026ac2ac4f9c..c90c2e4875bf 100644
> > --- a/drivers/misc/ocxl/config.c
> > +++ b/drivers/misc/ocxl/config.c
> > @@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev
> > *dev,
> > }
> > return 1;
> >  }
> > -EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
> >  
> >  static int read_afu_name(struct pci_dev *dev, struct
> > ocxl_fn_config *fn,
> > struct ocxl_afu_config *afu)
> > @@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev
> > *dev, int *count)
> >  {
> > return pnv_ocxl_get_pasid_count(dev, count);
> >  }
> > -EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
> >  
> >  void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int
> > pasid_base,
> > u32 pasid_count_log)
> > diff --git a/drivers/misc/ocxl/ocxl_internal.h
> > b/drivers/misc/ocxl/ocxl_internal.h
> > index 321b29e77f45..06fd98c989c8 100644
> > --- a/drivers/misc/ocxl/ocxl_internal.h
> > +++ b/drivers/misc/ocxl/ocxl_internal.h
> > @@ -107,6 +107,29 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn,
> > u32 start, u32 size);
> >  int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
> >  void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
> >  
> > +/*
> > + * Get the max PASID value that can be used by the function
> > + */
> > +int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
> > +
> > +/*
> > + * Check if an AFU index is valid for the given function.
> > + *
> > + * AFU indexes can be sparse, so a driver should check all indexes
> > up
> > + * to the maximum found in the function description
> > + */
> > +int ocxl_config_check_afu_index(struct pci_dev *dev,
> > +   struct ocxl_fn_config *fn, int
> > afu_idx);
> > +
> > +/**
> 
> Two *s ?
> 

These are Sphinx formatted comments (similar, but not quite the same as
Doxygen).

> Also, this results in an ocxl_internal.h header file where only these
> three functions are documented... which looks a bit weird IMHO. Since
> these are ocxl internals, do we _really_ need to keep the comments ?

I believe we should, it's a courtesy to the next person who has to work
in the area.

There are more documentation comments coming in further series.

-- 
Alastair D'Silva
Open Source Developer
Linux Technology Centre, IBM Australia
mob: 0423 762 819



Re: [PATCH 5/5] ocxl: Remove some unused exported symbols

2019-03-13 Thread Greg Kurz
On Wed, 13 Mar 2019 15:07:01 +1100
"Alastair D'Silva"  wrote:

> From: Alastair D'Silva 
> 
> Remove some unused exported symbols.
> 
> Signed-off-by: Alastair D'Silva 
> ---
>  drivers/misc/ocxl/config.c|  2 --
>  drivers/misc/ocxl/ocxl_internal.h | 23 +++
>  include/misc/ocxl.h   | 23 ---
>  3 files changed, 23 insertions(+), 25 deletions(-)
> 
> diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
> index 026ac2ac4f9c..c90c2e4875bf 100644
> --- a/drivers/misc/ocxl/config.c
> +++ b/drivers/misc/ocxl/config.c
> @@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev *dev,
>   }
>   return 1;
>  }
> -EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
>  
>  static int read_afu_name(struct pci_dev *dev, struct ocxl_fn_config *fn,
>   struct ocxl_afu_config *afu)
> @@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev *dev, int 
> *count)
>  {
>   return pnv_ocxl_get_pasid_count(dev, count);
>  }
> -EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
>  
>  void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int pasid_base,
>   u32 pasid_count_log)
> diff --git a/drivers/misc/ocxl/ocxl_internal.h 
> b/drivers/misc/ocxl/ocxl_internal.h
> index 321b29e77f45..06fd98c989c8 100644
> --- a/drivers/misc/ocxl/ocxl_internal.h
> +++ b/drivers/misc/ocxl/ocxl_internal.h
> @@ -107,6 +107,29 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn, u32 start, 
> u32 size);
>  int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
>  void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
>  
> +/*
> + * Get the max PASID value that can be used by the function
> + */
> +int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
> +
> +/*
> + * Check if an AFU index is valid for the given function.
> + *
> + * AFU indexes can be sparse, so a driver should check all indexes up
> + * to the maximum found in the function description
> + */
> +int ocxl_config_check_afu_index(struct pci_dev *dev,
> + struct ocxl_fn_config *fn, int afu_idx);
> +
> +/**

Two *s ?

Also, this results in an ocxl_internal.h header file where only these
three functions are documented... which looks a bit weird IMHO. Since
these are ocxl internals, do we _really_ need to keep the comments ?

> + * Update values within a Process Element
> + *
> + * link_handle: the link handle associated with the process element
> + * pasid: the PASID for the AFU context
> + * tid: the new thread id for the process element
> + */
> +int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
> +
>  struct ocxl_context *ocxl_context_alloc(void);
>  int ocxl_context_init(struct ocxl_context *ctx, struct ocxl_afu *afu,
>   struct address_space *mapping);
> diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h
> index 4544573cc93c..9530d3be1b30 100644
> --- a/include/misc/ocxl.h
> +++ b/include/misc/ocxl.h
> @@ -56,15 +56,6 @@ struct ocxl_fn_config {
>  int ocxl_config_read_function(struct pci_dev *dev,
>   struct ocxl_fn_config *fn);
>  
> -/*
> - * Check if an AFU index is valid for the given function.
> - *
> - * AFU indexes can be sparse, so a driver should check all indexes up
> - * to the maximum found in the function description
> - */
> -int ocxl_config_check_afu_index(struct pci_dev *dev,
> - struct ocxl_fn_config *fn, int afu_idx);
> -
>  /*
>   * Read the configuration space of a function for the AFU specified by
>   * the index 'afu_idx'. Fills in a ocxl_afu_config structure
> @@ -74,11 +65,6 @@ int ocxl_config_read_afu(struct pci_dev *dev,
>   struct ocxl_afu_config *afu,
>   u8 afu_idx);
>  
> -/*
> - * Get the max PASID value that can be used by the function
> - */
> -int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
> -
>  /*
>   * Tell an AFU, by writing in the configuration space, the PASIDs that
>   * it can use. Range starts at 'pasid_base' and its size is a multiple
> @@ -188,15 +174,6 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 
> pidr, u32 tidr,
>   void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
>   void *xsl_err_data);
>  
> -/**
> - * Update values within a Process Element
> - *
> - * link_handle: the link handle associated with the process element
> - * pasid: the PASID for the AFU context
> - * tid: the new thread id for the process element
> - */
> -int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
> -
>  /*
>   * Remove a Process Element from the Shared Process Area for a link
>   */



[PATCH 5/5] ocxl: Remove some unused exported symbols

2019-03-12 Thread Alastair D'Silva
From: Alastair D'Silva 

Remove some unused exported symbols.

Signed-off-by: Alastair D'Silva 
---
 drivers/misc/ocxl/config.c|  2 --
 drivers/misc/ocxl/ocxl_internal.h | 23 +++
 include/misc/ocxl.h   | 23 ---
 3 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index 026ac2ac4f9c..c90c2e4875bf 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev *dev,
}
return 1;
 }
-EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
 
 static int read_afu_name(struct pci_dev *dev, struct ocxl_fn_config *fn,
struct ocxl_afu_config *afu)
@@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev *dev, int 
*count)
 {
return pnv_ocxl_get_pasid_count(dev, count);
 }
-EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
 
 void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int pasid_base,
u32 pasid_count_log)
diff --git a/drivers/misc/ocxl/ocxl_internal.h 
b/drivers/misc/ocxl/ocxl_internal.h
index 321b29e77f45..06fd98c989c8 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -107,6 +107,29 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn, u32 start, 
u32 size);
 int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
 void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
 
+/*
+ * Get the max PASID value that can be used by the function
+ */
+int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
+
+/*
+ * Check if an AFU index is valid for the given function.
+ *
+ * AFU indexes can be sparse, so a driver should check all indexes up
+ * to the maximum found in the function description
+ */
+int ocxl_config_check_afu_index(struct pci_dev *dev,
+   struct ocxl_fn_config *fn, int afu_idx);
+
+/**
+ * Update values within a Process Element
+ *
+ * link_handle: the link handle associated with the process element
+ * pasid: the PASID for the AFU context
+ * tid: the new thread id for the process element
+ */
+int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
+
 struct ocxl_context *ocxl_context_alloc(void);
 int ocxl_context_init(struct ocxl_context *ctx, struct ocxl_afu *afu,
struct address_space *mapping);
diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h
index 4544573cc93c..9530d3be1b30 100644
--- a/include/misc/ocxl.h
+++ b/include/misc/ocxl.h
@@ -56,15 +56,6 @@ struct ocxl_fn_config {
 int ocxl_config_read_function(struct pci_dev *dev,
struct ocxl_fn_config *fn);
 
-/*
- * Check if an AFU index is valid for the given function.
- *
- * AFU indexes can be sparse, so a driver should check all indexes up
- * to the maximum found in the function description
- */
-int ocxl_config_check_afu_index(struct pci_dev *dev,
-   struct ocxl_fn_config *fn, int afu_idx);
-
 /*
  * Read the configuration space of a function for the AFU specified by
  * the index 'afu_idx'. Fills in a ocxl_afu_config structure
@@ -74,11 +65,6 @@ int ocxl_config_read_afu(struct pci_dev *dev,
struct ocxl_afu_config *afu,
u8 afu_idx);
 
-/*
- * Get the max PASID value that can be used by the function
- */
-int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
-
 /*
  * Tell an AFU, by writing in the configuration space, the PASIDs that
  * it can use. Range starts at 'pasid_base' and its size is a multiple
@@ -188,15 +174,6 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 
pidr, u32 tidr,
void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
void *xsl_err_data);
 
-/**
- * Update values within a Process Element
- *
- * link_handle: the link handle associated with the process element
- * pasid: the PASID for the AFU context
- * tid: the new thread id for the process element
- */
-int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
-
 /*
  * Remove a Process Element from the Shared Process Area for a link
  */
-- 
2.20.1



Re: [PATCH 5/5] ocxl: Remove some unused exported symbols

2019-02-28 Thread Andrew Donnellan

On 27/2/19 3:57 pm, Alastair D'Silva wrote:

From: Alastair D'Silva 

Remove some unused exported symbols.

Signed-off-by: Alastair D'Silva  > ---
  drivers/misc/ocxl/config.c|  2 --
  drivers/misc/ocxl/ocxl_internal.h | 26 +-
  include/misc/ocxl.h   | 23 ---
  3 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index 026ac2ac4f9c..c90c2e4875bf 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev *dev,
}
return 1;
  }
-EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
  
  static int read_afu_name(struct pci_dev *dev, struct ocxl_fn_config *fn,

struct ocxl_afu_config *afu)
@@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev *dev, int 
*count)
  {
return pnv_ocxl_get_pasid_count(dev, count);
  }
-EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
  
  void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int pasid_base,

u32 pasid_count_log)
diff --git a/drivers/misc/ocxl/ocxl_internal.h 
b/drivers/misc/ocxl/ocxl_internal.h
index 321b29e77f45..cd5a1e3cc950 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -107,10 +107,34 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn, u32 start, 
u32 size);
  int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
  void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
  
+/*

+ * Get the max PASID value that can be used by the function
+ */
+int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
+
+int ocxl_context_attach(struct ocxl_context *ctx, u64 amr);
+
+/*
+ * Check if an AFU index is valid for the given function.
+ *
+ * AFU indexes can be sparse, so a driver should check all indexes up
+ * to the maximum found in the function description
+ */
+int ocxl_config_check_afu_index(struct pci_dev *dev,
+   struct ocxl_fn_config *fn, int afu_idx);
+
+/**
+ * Update values within a Process Element
+ *
+ * link_handle: the link handle associated with the process element
+ * pasid: the PASID for the AFU context
+ * tid: the new thread id for the process element
+ */
+int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
+


This isn't actually exported, so if you spin a v2 do that separately 
from this patch or document the change.


Otherwise

Acked-by: Andrew Donnellan 


  struct ocxl_context *ocxl_context_alloc(void);
  int ocxl_context_init(struct ocxl_context *ctx, struct ocxl_afu *afu,
struct address_space *mapping);
-int ocxl_context_attach(struct ocxl_context *ctx, u64 amr);
  int ocxl_context_mmap(struct ocxl_context *ctx,
struct vm_area_struct *vma);
  int ocxl_context_detach(struct ocxl_context *ctx);
diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h
index 4544573cc93c..9530d3be1b30 100644
--- a/include/misc/ocxl.h
+++ b/include/misc/ocxl.h
@@ -56,15 +56,6 @@ struct ocxl_fn_config {
  int ocxl_config_read_function(struct pci_dev *dev,
struct ocxl_fn_config *fn);
  
-/*

- * Check if an AFU index is valid for the given function.
- *
- * AFU indexes can be sparse, so a driver should check all indexes up
- * to the maximum found in the function description
- */
-int ocxl_config_check_afu_index(struct pci_dev *dev,
-   struct ocxl_fn_config *fn, int afu_idx);
-
  /*
   * Read the configuration space of a function for the AFU specified by
   * the index 'afu_idx'. Fills in a ocxl_afu_config structure
@@ -74,11 +65,6 @@ int ocxl_config_read_afu(struct pci_dev *dev,
struct ocxl_afu_config *afu,
u8 afu_idx);
  
-/*

- * Get the max PASID value that can be used by the function
- */
-int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
-
  /*
   * Tell an AFU, by writing in the configuration space, the PASIDs that
   * it can use. Range starts at 'pasid_base' and its size is a multiple
@@ -188,15 +174,6 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 
pidr, u32 tidr,
void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
void *xsl_err_data);
  
-/**

- * Update values within a Process Element
- *
- * link_handle: the link handle associated with the process element
- * pasid: the PASID for the AFU context
- * tid: the new thread id for the process element
- */
-int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
-
  /*
   * Remove a Process Element from the Shared Process Area for a link
   */



--
Andrew Donnellan  OzLabs, ADL Canberra
andrew.donnel...@au1.ibm.com  IBM Australia Limited



Re: [PATCH 5/5] ocxl: Remove some unused exported symbols

2019-02-27 Thread Frederic Barrat




Le 27/02/2019 à 05:57, Alastair D'Silva a écrit :

From: Alastair D'Silva 

Remove some unused exported symbols.

Signed-off-by: Alastair D'Silva 
---


If you have a respin of the series, that patch also adds a comment 
around ocxl_context_attach(), which is for later.

But in any case:
Acked-by: Frederic Barrat 



  drivers/misc/ocxl/config.c|  2 --
  drivers/misc/ocxl/ocxl_internal.h | 26 +-
  include/misc/ocxl.h   | 23 ---
  3 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index 026ac2ac4f9c..c90c2e4875bf 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev *dev,
}
return 1;
  }
-EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
  
  static int read_afu_name(struct pci_dev *dev, struct ocxl_fn_config *fn,

struct ocxl_afu_config *afu)
@@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev *dev, int 
*count)
  {
return pnv_ocxl_get_pasid_count(dev, count);
  }
-EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
  
  void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int pasid_base,

u32 pasid_count_log)
diff --git a/drivers/misc/ocxl/ocxl_internal.h 
b/drivers/misc/ocxl/ocxl_internal.h
index 321b29e77f45..cd5a1e3cc950 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -107,10 +107,34 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn, u32 start, 
u32 size);
  int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
  void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
  
+/*

+ * Get the max PASID value that can be used by the function
+ */
+int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
+
+int ocxl_context_attach(struct ocxl_context *ctx, u64 amr);
+
+/*
+ * Check if an AFU index is valid for the given function.
+ *
+ * AFU indexes can be sparse, so a driver should check all indexes up
+ * to the maximum found in the function description
+ */
+int ocxl_config_check_afu_index(struct pci_dev *dev,
+   struct ocxl_fn_config *fn, int afu_idx);
+
+/**
+ * Update values within a Process Element
+ *
+ * link_handle: the link handle associated with the process element
+ * pasid: the PASID for the AFU context
+ * tid: the new thread id for the process element
+ */
+int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
+
  struct ocxl_context *ocxl_context_alloc(void);
  int ocxl_context_init(struct ocxl_context *ctx, struct ocxl_afu *afu,
struct address_space *mapping);
-int ocxl_context_attach(struct ocxl_context *ctx, u64 amr);
  int ocxl_context_mmap(struct ocxl_context *ctx,
struct vm_area_struct *vma);
  int ocxl_context_detach(struct ocxl_context *ctx);
diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h
index 4544573cc93c..9530d3be1b30 100644
--- a/include/misc/ocxl.h
+++ b/include/misc/ocxl.h
@@ -56,15 +56,6 @@ struct ocxl_fn_config {
  int ocxl_config_read_function(struct pci_dev *dev,
struct ocxl_fn_config *fn);
  
-/*

- * Check if an AFU index is valid for the given function.
- *
- * AFU indexes can be sparse, so a driver should check all indexes up
- * to the maximum found in the function description
- */
-int ocxl_config_check_afu_index(struct pci_dev *dev,
-   struct ocxl_fn_config *fn, int afu_idx);
-
  /*
   * Read the configuration space of a function for the AFU specified by
   * the index 'afu_idx'. Fills in a ocxl_afu_config structure
@@ -74,11 +65,6 @@ int ocxl_config_read_afu(struct pci_dev *dev,
struct ocxl_afu_config *afu,
u8 afu_idx);
  
-/*

- * Get the max PASID value that can be used by the function
- */
-int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
-
  /*
   * Tell an AFU, by writing in the configuration space, the PASIDs that
   * it can use. Range starts at 'pasid_base' and its size is a multiple
@@ -188,15 +174,6 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 
pidr, u32 tidr,
void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
void *xsl_err_data);
  
-/**

- * Update values within a Process Element
- *
- * link_handle: the link handle associated with the process element
- * pasid: the PASID for the AFU context
- * tid: the new thread id for the process element
- */
-int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
-
  /*
   * Remove a Process Element from the Shared Process Area for a link
   */





[PATCH 5/5] ocxl: Remove some unused exported symbols

2019-02-26 Thread Alastair D'Silva
From: Alastair D'Silva 

Remove some unused exported symbols.

Signed-off-by: Alastair D'Silva 
---
 drivers/misc/ocxl/config.c|  2 --
 drivers/misc/ocxl/ocxl_internal.h | 26 +-
 include/misc/ocxl.h   | 23 ---
 3 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index 026ac2ac4f9c..c90c2e4875bf 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -299,7 +299,6 @@ int ocxl_config_check_afu_index(struct pci_dev *dev,
}
return 1;
 }
-EXPORT_SYMBOL_GPL(ocxl_config_check_afu_index);
 
 static int read_afu_name(struct pci_dev *dev, struct ocxl_fn_config *fn,
struct ocxl_afu_config *afu)
@@ -535,7 +534,6 @@ int ocxl_config_get_pasid_info(struct pci_dev *dev, int 
*count)
 {
return pnv_ocxl_get_pasid_count(dev, count);
 }
-EXPORT_SYMBOL_GPL(ocxl_config_get_pasid_info);
 
 void ocxl_config_set_afu_pasid(struct pci_dev *dev, int pos, int pasid_base,
u32 pasid_count_log)
diff --git a/drivers/misc/ocxl/ocxl_internal.h 
b/drivers/misc/ocxl/ocxl_internal.h
index 321b29e77f45..cd5a1e3cc950 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -107,10 +107,34 @@ void ocxl_pasid_afu_free(struct ocxl_fn *fn, u32 start, 
u32 size);
 int ocxl_actag_afu_alloc(struct ocxl_fn *fn, u32 size);
 void ocxl_actag_afu_free(struct ocxl_fn *fn, u32 start, u32 size);
 
+/*
+ * Get the max PASID value that can be used by the function
+ */
+int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
+
+int ocxl_context_attach(struct ocxl_context *ctx, u64 amr);
+
+/*
+ * Check if an AFU index is valid for the given function.
+ *
+ * AFU indexes can be sparse, so a driver should check all indexes up
+ * to the maximum found in the function description
+ */
+int ocxl_config_check_afu_index(struct pci_dev *dev,
+   struct ocxl_fn_config *fn, int afu_idx);
+
+/**
+ * Update values within a Process Element
+ *
+ * link_handle: the link handle associated with the process element
+ * pasid: the PASID for the AFU context
+ * tid: the new thread id for the process element
+ */
+int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
+
 struct ocxl_context *ocxl_context_alloc(void);
 int ocxl_context_init(struct ocxl_context *ctx, struct ocxl_afu *afu,
struct address_space *mapping);
-int ocxl_context_attach(struct ocxl_context *ctx, u64 amr);
 int ocxl_context_mmap(struct ocxl_context *ctx,
struct vm_area_struct *vma);
 int ocxl_context_detach(struct ocxl_context *ctx);
diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h
index 4544573cc93c..9530d3be1b30 100644
--- a/include/misc/ocxl.h
+++ b/include/misc/ocxl.h
@@ -56,15 +56,6 @@ struct ocxl_fn_config {
 int ocxl_config_read_function(struct pci_dev *dev,
struct ocxl_fn_config *fn);
 
-/*
- * Check if an AFU index is valid for the given function.
- *
- * AFU indexes can be sparse, so a driver should check all indexes up
- * to the maximum found in the function description
- */
-int ocxl_config_check_afu_index(struct pci_dev *dev,
-   struct ocxl_fn_config *fn, int afu_idx);
-
 /*
  * Read the configuration space of a function for the AFU specified by
  * the index 'afu_idx'. Fills in a ocxl_afu_config structure
@@ -74,11 +65,6 @@ int ocxl_config_read_afu(struct pci_dev *dev,
struct ocxl_afu_config *afu,
u8 afu_idx);
 
-/*
- * Get the max PASID value that can be used by the function
- */
-int ocxl_config_get_pasid_info(struct pci_dev *dev, int *count);
-
 /*
  * Tell an AFU, by writing in the configuration space, the PASIDs that
  * it can use. Range starts at 'pasid_base' and its size is a multiple
@@ -188,15 +174,6 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 
pidr, u32 tidr,
void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
void *xsl_err_data);
 
-/**
- * Update values within a Process Element
- *
- * link_handle: the link handle associated with the process element
- * pasid: the PASID for the AFU context
- * tid: the new thread id for the process element
- */
-int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid);
-
 /*
  * Remove a Process Element from the Shared Process Area for a link
  */
-- 
2.20.1