| Message ID | 286ae5f4fdc4fd5620470cb0bf452e827e1f3864.camel@linux.ibm.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Enable VAS and NX-GZIP support on powerVM | expand |
Excerpts from Haren Myneni's message of April 18, 2021 7:05 am: > > This patch adds HCALLs and other definitions. Also define structs > that are used in VAS implementation on powerVM. > > Signed-off-by: Haren Myneni <haren@linux.ibm.com> > --- > arch/powerpc/include/asm/hvcall.h | 7 ++ > arch/powerpc/include/asm/vas.h | 28 ++++++++ > arch/powerpc/platforms/pseries/vas.h | 96 ++++++++++++++++++++++++++++ > 3 files changed, 131 insertions(+) > create mode 100644 arch/powerpc/platforms/pseries/vas.h > > diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h > index ed6086d57b22..accbb7f6f272 100644 > --- a/arch/powerpc/include/asm/hvcall.h > +++ b/arch/powerpc/include/asm/hvcall.h > @@ -294,6 +294,13 @@ > #define H_RESIZE_HPT_COMMIT 0x370 > #define H_REGISTER_PROC_TBL 0x37C > #define H_SIGNAL_SYS_RESET 0x380 > +#define H_ALLOCATE_VAS_WINDOW 0x388 > +#define H_MODIFY_VAS_WINDOW 0x38C > +#define H_DEALLOCATE_VAS_WINDOW 0x390 > +#define H_QUERY_VAS_WINDOW 0x394 > +#define H_QUERY_VAS_CAPABILITIES 0x398 > +#define H_QUERY_NX_CAPABILITIES 0x39C > +#define H_GET_NX_FAULT 0x3A0 These should be spaces. > #define H_INT_GET_SOURCE_INFO 0x3A8 > #define H_INT_SET_SOURCE_CONFIG 0x3AC > #define H_INT_GET_SOURCE_CONFIG 0x3B0 > diff --git a/arch/powerpc/include/asm/vas.h b/arch/powerpc/include/asm/vas.h > index f928bf4c7e98..d15784506a54 100644 > --- a/arch/powerpc/include/asm/vas.h > +++ b/arch/powerpc/include/asm/vas.h > @@ -179,6 +179,7 @@ struct vas_tx_win_attr { > bool rx_win_ord_mode; > }; > > +#ifdef CONFIG_PPC_POWERNV > /* > * Helper to map a chip id to VAS id. > * For POWER9, this is a 1:1 mapping. In the future this maybe a 1:N > @@ -243,6 +244,33 @@ int vas_paste_crb(struct vas_window *win, int offset, bool re); > int vas_register_api_powernv(struct module *mod, enum vas_cop_type cop_type, > const char *name); > void vas_unregister_api_powernv(void); > +#endif > + > +#ifdef CONFIG_PPC_PSERIES > + > +/* VAS Capabilities */ > +#define VAS_GZIP_QOS_FEAT 0x1 > +#define VAS_GZIP_DEF_FEAT 0x2 > +#define VAS_GZIP_QOS_FEAT_BIT (1UL << (63 - VAS_GZIP_QOS_FEAT)) /* Bit 1 */ > +#define VAS_GZIP_DEF_FEAT_BIT (1UL << (63 - VAS_GZIP_DEF_FEAT)) /* Bit 2 */ Use PPC_BIT for these. > + > +/* NX Capabilities */ > +#define VAS_NX_GZIP_FEAT 0x1 > +#define VAS_NX_GZIP_FEAT_BIT (1UL << (63 - VAS_NX_GZIP_FEAT)) /* Bit 1 */ > +#define VAS_DESCR_LEN 8 > + > +struct vas_all_capabs_be { > + __be64 descriptor; > + __be64 feat_type; > +} __packed __aligned(0x1000); > + > +struct vas_all_capabs { > + char name[VAS_DESCR_LEN + 1]; > + u64 descriptor; > + u64 feat_type; > +}; You're using _be for the struct that is passed to the hcall, and a non-postfixed one for something the driver uses internally? It seems like buf or buffer, or hv_ prefix is typically used rather than be (host kernel could be BE). struct hv_query_vas_capabilities_buffer for example. Does the hcall really require 0x1000 alignment? > + > +#endif > > /* > * Register / unregister coprocessor type to VAS API which will be exported > diff --git a/arch/powerpc/platforms/pseries/vas.h b/arch/powerpc/platforms/pseries/vas.h > new file mode 100644 > index 000000000000..208682fffa57 > --- /dev/null > +++ b/arch/powerpc/platforms/pseries/vas.h > @@ -0,0 +1,96 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +/* > + * Copyright 2020-21 IBM Corp. > + */ > + > +#ifndef _VAS_H > +#define _VAS_H > +#include <asm/vas.h> > +#include <linux/mutex.h> > +#include <linux/stringify.h> > + > +/* > + * VAS window modify flags > + */ > +#define VAS_MOD_WIN_CLOSE (1UL << 63) > +#define VAS_MOD_WIN_JOBS_KILL (1UL << (63 - 1)) > +#define VAS_MOD_WIN_DR (1UL << (63 - 3)) > +#define VAS_MOD_WIN_PR (1UL << (63 - 4)) > +#define VAS_MOD_WIN_SF (1UL << (63 - 5)) > +#define VAS_MOD_WIN_TA (1UL << (63 - 6)) > +#define VAS_MOD_WIN_FLAGS (VAS_MOD_WIN_JOBS_KILL | VAS_MOD_WIN_DR | \ > + VAS_MOD_WIN_PR | VAS_MOD_WIN_SF) > + > +#define VAS_WIN_ACTIVE 0x0 > +#define VAS_WIN_CLOSED 0x1 > +#define VAS_WIN_INACTIVE 0x2 /* Inactive due to HW failure */ > +/* Process of being modified, deallocated, or quiesced */ > +#define VAS_WIN_MOD_IN_PROCESS 0x3 > + > +#define VAS_COPY_PASTE_USER_MODE 0x00000001 > +#define VAS_COP_OP_USER_MODE 0x00000010 > + > +/* > + * Co-processor feature - GZIP QoS windows or GZIP default windows > + */ > +enum vas_cop_feat_type { > + VAS_GZIP_QOS_FEAT_TYPE, > + VAS_GZIP_DEF_FEAT_TYPE, > + VAS_MAX_FEAT_TYPE, > +}; > + > +struct vas_ct_capabs_be { > + __be64 descriptor; > + u8 win_type; /* Default or QoS type */ > + u8 user_mode; > + __be16 max_lpar_creds; > + __be16 max_win_creds; > + union { > + __be16 reserved; > + __be16 def_lpar_creds; /* Used for default capabilities */ > + }; > + __be16 target_lpar_creds; > +} __packed __aligned(0x1000); > + > +struct vas_ct_capabs { > + char name[VAS_DESCR_LEN + 1]; > + u64 descriptor; > + u8 win_type; /* Default or QoS type */ > + u8 user_mode; /* User mode copy/paste or COP HCALL */ > + u16 max_lpar_creds; /* Max credits available in LPAR */ > + /* Max credits can be assigned per window */ > + u16 max_win_creds; > + union { > + u16 reserved; /* Used for QoS credit type */ > + u16 def_lpar_creds; /* Used for default credit type */ > + }; > + /* Total LPAR available credits. Can be different from max LPAR */ > + /* credits due to DLPAR operation */ > + atomic_t target_lpar_creds; > + atomic_t used_lpar_creds; /* Used credits so far */ > + u16 avail_lpar_creds; /* Remaining available credits */ > +}; > + > +struct vas_capabs { > + struct vas_ct_capabs capab; > + struct list_head list; > +}; > + > +struct vas_win_lpar_be { > + __be16 version; > + u8 win_type; > + u8 status; > + __be16 credits; /* No of credits assigned to this window */ > + __be16 reserved; > + __be32 pid; /* LPAR Process ID */ > + __be32 tid; /* LPAR Thread ID */ > + __be64 win_addr; > + __be32 interrupt; /* Interrupt when NX request completes */ > + __be32 fault; /* Interrupt when NX sees fault */ > + /* Associativity Domain Identifiers as returned in */ > + /* H_HOME_NODE_ASSOCIATIVITY */ > + __be64 domain[6]; > + __be64 win_util; /* Number of bytes processed */ > +} __packed __aligned(0x1000); > + > +#endif /* _VAS_H */ > -- > 2.18.2 > > >
On Mon, 2021-05-10 at 15:49 +1000, Nicholas Piggin wrote: > Excerpts from Haren Myneni's message of April 18, 2021 7:05 am: > > This patch adds HCALLs and other definitions. Also define structs > > that are used in VAS implementation on powerVM. > > > > Signed-off-by: Haren Myneni <haren@linux.ibm.com> > > --- > > arch/powerpc/include/asm/hvcall.h | 7 ++ > > arch/powerpc/include/asm/vas.h | 28 ++++++++ > > arch/powerpc/platforms/pseries/vas.h | 96 > > ++++++++++++++++++++++++++++ > > 3 files changed, 131 insertions(+) > > create mode 100644 arch/powerpc/platforms/pseries/vas.h > > > > diff --git a/arch/powerpc/include/asm/hvcall.h > > b/arch/powerpc/include/asm/hvcall.h > > index ed6086d57b22..accbb7f6f272 100644 > > --- a/arch/powerpc/include/asm/hvcall.h > > +++ b/arch/powerpc/include/asm/hvcall.h > > @@ -294,6 +294,13 @@ > > #define H_RESIZE_HPT_COMMIT 0x370 > > #define H_REGISTER_PROC_TBL 0x37C > > #define H_SIGNAL_SYS_RESET 0x380 > > +#define H_ALLOCATE_VAS_WINDOW 0x388 > > +#define H_MODIFY_VAS_WINDOW 0x38C > > +#define H_DEALLOCATE_VAS_WINDOW 0x390 > > +#define H_QUERY_VAS_WINDOW 0x394 > > +#define H_QUERY_VAS_CAPABILITIES 0x398 > > +#define H_QUERY_NX_CAPABILITIES 0x39C > > +#define H_GET_NX_FAULT 0x3A0 > > These should be spaces. > > > #define H_INT_GET_SOURCE_INFO 0x3A8 > > #define H_INT_SET_SOURCE_CONFIG 0x3AC > > #define H_INT_GET_SOURCE_CONFIG 0x3B0 > > diff --git a/arch/powerpc/include/asm/vas.h > > b/arch/powerpc/include/asm/vas.h > > index f928bf4c7e98..d15784506a54 100644 > > --- a/arch/powerpc/include/asm/vas.h > > +++ b/arch/powerpc/include/asm/vas.h > > @@ -179,6 +179,7 @@ struct vas_tx_win_attr { > > bool rx_win_ord_mode; > > }; > > > > +#ifdef CONFIG_PPC_POWERNV > > /* > > * Helper to map a chip id to VAS id. > > * For POWER9, this is a 1:1 mapping. In the future this maybe a > > 1:N > > @@ -243,6 +244,33 @@ int vas_paste_crb(struct vas_window *win, int > > offset, bool re); > > int vas_register_api_powernv(struct module *mod, enum vas_cop_type > > cop_type, > > const char *name); > > void vas_unregister_api_powernv(void); > > +#endif > > + > > +#ifdef CONFIG_PPC_PSERIES > > + > > +/* VAS Capabilities */ > > +#define VAS_GZIP_QOS_FEAT 0x1 > > +#define VAS_GZIP_DEF_FEAT 0x2 > > +#define VAS_GZIP_QOS_FEAT_BIT (1UL << (63 - > > VAS_GZIP_QOS_FEAT)) /* Bit 1 */ > > +#define VAS_GZIP_DEF_FEAT_BIT (1UL << (63 - > > VAS_GZIP_DEF_FEAT)) /* Bit 2 */ > > Use PPC_BIT for these. > > > + > > +/* NX Capabilities */ > > +#define VAS_NX_GZIP_FEAT 0x1 > > +#define VAS_NX_GZIP_FEAT_BIT (1UL << (63 - > > VAS_NX_GZIP_FEAT)) /* Bit 1 */ > > +#define VAS_DESCR_LEN 8 > > + > > +struct vas_all_capabs_be { > > + __be64 descriptor; > > + __be64 feat_type; > > +} __packed __aligned(0x1000); > > + > > +struct vas_all_capabs { > > + char name[VAS_DESCR_LEN + 1]; > > + u64 descriptor; > > + u64 feat_type; > > +}; > > You're using _be for the struct that is passed to the hcall, and a > non-postfixed one for something the driver uses internally? It seems > like buf or buffer, or hv_ prefix is typically used rather than be > (host > kernel could be BE). > > struct hv_query_vas_capabilities_buffer for example. Can I add like "hv_vas_all_caps_buf" instead of vas_all_capabs_be > > Does the hcall really require 0x1000 alignment? pAPR user mode NX says "resultBuffer : The logical real address of a size-aligned 4K buffer to store VAS capabilities in" (Section: H_QUERY_VAS_CAPABILITIES HCALL) > > > + > > +#endif > > > > /* > > * Register / unregister coprocessor type to VAS API which will be > > exported > > diff --git a/arch/powerpc/platforms/pseries/vas.h > > b/arch/powerpc/platforms/pseries/vas.h > > new file mode 100644 > > index 000000000000..208682fffa57 > > --- /dev/null > > +++ b/arch/powerpc/platforms/pseries/vas.h > > @@ -0,0 +1,96 @@ > > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > > +/* > > + * Copyright 2020-21 IBM Corp. > > + */ > > + > > +#ifndef _VAS_H > > +#define _VAS_H > > +#include <asm/vas.h> > > +#include <linux/mutex.h> > > +#include <linux/stringify.h> > > + > > +/* > > + * VAS window modify flags > > + */ > > +#define VAS_MOD_WIN_CLOSE (1UL << 63) > > +#define VAS_MOD_WIN_JOBS_KILL (1UL << (63 - 1)) > > +#define VAS_MOD_WIN_DR (1UL << (63 - 3)) > > +#define VAS_MOD_WIN_PR (1UL << (63 - 4)) > > +#define VAS_MOD_WIN_SF (1UL << (63 - 5)) > > +#define VAS_MOD_WIN_TA (1UL << (63 - 6)) > > +#define VAS_MOD_WIN_FLAGS (VAS_MOD_WIN_JOBS_KILL | > > VAS_MOD_WIN_DR | \ > > + VAS_MOD_WIN_PR | VAS_MOD_WIN_SF) > > + > > +#define VAS_WIN_ACTIVE 0x0 > > +#define VAS_WIN_CLOSED 0x1 > > +#define VAS_WIN_INACTIVE 0x2 /* Inactive due to HW > > failure */ > > +/* Process of being modified, deallocated, or quiesced */ > > +#define VAS_WIN_MOD_IN_PROCESS 0x3 > > + > > +#define VAS_COPY_PASTE_USER_MODE 0x00000001 > > +#define VAS_COP_OP_USER_MODE 0x00000010 > > + > > +/* > > + * Co-processor feature - GZIP QoS windows or GZIP default windows > > + */ > > +enum vas_cop_feat_type { > > + VAS_GZIP_QOS_FEAT_TYPE, > > + VAS_GZIP_DEF_FEAT_TYPE, > > + VAS_MAX_FEAT_TYPE, > > +}; > > + > > +struct vas_ct_capabs_be { > > + __be64 descriptor; > > + u8 win_type; /* Default or QoS type */ > > + u8 user_mode; > > + __be16 max_lpar_creds; > > + __be16 max_win_creds; > > + union { > > + __be16 reserved; > > + __be16 def_lpar_creds; /* Used for default > > capabilities */ > > + }; > > + __be16 target_lpar_creds; > > +} __packed __aligned(0x1000); > > + > > +struct vas_ct_capabs { > > + char name[VAS_DESCR_LEN + 1]; > > + u64 descriptor; > > + u8 win_type; /* Default or QoS type */ > > + u8 user_mode; /* User mode copy/paste or COP > > HCALL */ > > + u16 max_lpar_creds; /* Max credits available in LPAR */ > > + /* Max credits can be assigned per window */ > > + u16 max_win_creds; > > + union { > > + u16 reserved; /* Used for QoS credit type */ > > + u16 def_lpar_creds; /* Used for default credit type */ > > + }; > > + /* Total LPAR available credits. Can be different from max LPAR > > */ > > + /* credits due to DLPAR operation */ > > + atomic_t target_lpar_creds; > > + atomic_t used_lpar_creds; /* Used credits so far */ > > + u16 avail_lpar_creds; /* Remaining available credits */ > > +}; > > + > > +struct vas_capabs { > > + struct vas_ct_capabs capab; > > + struct list_head list; > > +}; > > + > > +struct vas_win_lpar_be { > > + __be16 version; > > + u8 win_type; > > + u8 status; > > + __be16 credits; /* No of credits assigned to this > > window */ > > + __be16 reserved; > > + __be32 pid; /* LPAR Process ID */ > > + __be32 tid; /* LPAR Thread ID */ > > + __be64 win_addr; > > + __be32 interrupt; /* Interrupt when NX request > > completes */ > > + __be32 fault; /* Interrupt when NX sees fault */ > > + /* Associativity Domain Identifiers as returned in */ > > + /* H_HOME_NODE_ASSOCIATIVITY */ > > + __be64 domain[6]; > > + __be64 win_util; /* Number of bytes processed */ > > +} __packed __aligned(0x1000); > > + > > +#endif /* _VAS_H */ > > -- > > 2.18.2 > > > > > >
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index ed6086d57b22..accbb7f6f272 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -294,6 +294,13 @@ #define H_RESIZE_HPT_COMMIT 0x370 #define H_REGISTER_PROC_TBL 0x37C #define H_SIGNAL_SYS_RESET 0x380 +#define H_ALLOCATE_VAS_WINDOW 0x388 +#define H_MODIFY_VAS_WINDOW 0x38C +#define H_DEALLOCATE_VAS_WINDOW 0x390 +#define H_QUERY_VAS_WINDOW 0x394 +#define H_QUERY_VAS_CAPABILITIES 0x398 +#define H_QUERY_NX_CAPABILITIES 0x39C +#define H_GET_NX_FAULT 0x3A0 #define H_INT_GET_SOURCE_INFO 0x3A8 #define H_INT_SET_SOURCE_CONFIG 0x3AC #define H_INT_GET_SOURCE_CONFIG 0x3B0 diff --git a/arch/powerpc/include/asm/vas.h b/arch/powerpc/include/asm/vas.h index f928bf4c7e98..d15784506a54 100644 --- a/arch/powerpc/include/asm/vas.h +++ b/arch/powerpc/include/asm/vas.h @@ -179,6 +179,7 @@ struct vas_tx_win_attr { bool rx_win_ord_mode; }; +#ifdef CONFIG_PPC_POWERNV /* * Helper to map a chip id to VAS id. * For POWER9, this is a 1:1 mapping. In the future this maybe a 1:N @@ -243,6 +244,33 @@ int vas_paste_crb(struct vas_window *win, int offset, bool re); int vas_register_api_powernv(struct module *mod, enum vas_cop_type cop_type, const char *name); void vas_unregister_api_powernv(void); +#endif + +#ifdef CONFIG_PPC_PSERIES + +/* VAS Capabilities */ +#define VAS_GZIP_QOS_FEAT 0x1 +#define VAS_GZIP_DEF_FEAT 0x2 +#define VAS_GZIP_QOS_FEAT_BIT (1UL << (63 - VAS_GZIP_QOS_FEAT)) /* Bit 1 */ +#define VAS_GZIP_DEF_FEAT_BIT (1UL << (63 - VAS_GZIP_DEF_FEAT)) /* Bit 2 */ + +/* NX Capabilities */ +#define VAS_NX_GZIP_FEAT 0x1 +#define VAS_NX_GZIP_FEAT_BIT (1UL << (63 - VAS_NX_GZIP_FEAT)) /* Bit 1 */ +#define VAS_DESCR_LEN 8 + +struct vas_all_capabs_be { + __be64 descriptor; + __be64 feat_type; +} __packed __aligned(0x1000); + +struct vas_all_capabs { + char name[VAS_DESCR_LEN + 1]; + u64 descriptor; + u64 feat_type; +}; + +#endif /* * Register / unregister coprocessor type to VAS API which will be exported diff --git a/arch/powerpc/platforms/pseries/vas.h b/arch/powerpc/platforms/pseries/vas.h new file mode 100644 index 000000000000..208682fffa57 --- /dev/null +++ b/arch/powerpc/platforms/pseries/vas.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright 2020-21 IBM Corp. + */ + +#ifndef _VAS_H +#define _VAS_H +#include <asm/vas.h> +#include <linux/mutex.h> +#include <linux/stringify.h> + +/* + * VAS window modify flags + */ +#define VAS_MOD_WIN_CLOSE (1UL << 63) +#define VAS_MOD_WIN_JOBS_KILL (1UL << (63 - 1)) +#define VAS_MOD_WIN_DR (1UL << (63 - 3)) +#define VAS_MOD_WIN_PR (1UL << (63 - 4)) +#define VAS_MOD_WIN_SF (1UL << (63 - 5)) +#define VAS_MOD_WIN_TA (1UL << (63 - 6)) +#define VAS_MOD_WIN_FLAGS (VAS_MOD_WIN_JOBS_KILL | VAS_MOD_WIN_DR | \ + VAS_MOD_WIN_PR | VAS_MOD_WIN_SF) + +#define VAS_WIN_ACTIVE 0x0 +#define VAS_WIN_CLOSED 0x1 +#define VAS_WIN_INACTIVE 0x2 /* Inactive due to HW failure */ +/* Process of being modified, deallocated, or quiesced */ +#define VAS_WIN_MOD_IN_PROCESS 0x3 + +#define VAS_COPY_PASTE_USER_MODE 0x00000001 +#define VAS_COP_OP_USER_MODE 0x00000010 + +/* + * Co-processor feature - GZIP QoS windows or GZIP default windows + */ +enum vas_cop_feat_type { + VAS_GZIP_QOS_FEAT_TYPE, + VAS_GZIP_DEF_FEAT_TYPE, + VAS_MAX_FEAT_TYPE, +}; + +struct vas_ct_capabs_be { + __be64 descriptor; + u8 win_type; /* Default or QoS type */ + u8 user_mode; + __be16 max_lpar_creds; + __be16 max_win_creds; + union { + __be16 reserved; + __be16 def_lpar_creds; /* Used for default capabilities */ + }; + __be16 target_lpar_creds; +} __packed __aligned(0x1000); + +struct vas_ct_capabs { + char name[VAS_DESCR_LEN + 1]; + u64 descriptor; + u8 win_type; /* Default or QoS type */ + u8 user_mode; /* User mode copy/paste or COP HCALL */ + u16 max_lpar_creds; /* Max credits available in LPAR */ + /* Max credits can be assigned per window */ + u16 max_win_creds; + union { + u16 reserved; /* Used for QoS credit type */ + u16 def_lpar_creds; /* Used for default credit type */ + }; + /* Total LPAR available credits. Can be different from max LPAR */ + /* credits due to DLPAR operation */ + atomic_t target_lpar_creds; + atomic_t used_lpar_creds; /* Used credits so far */ + u16 avail_lpar_creds; /* Remaining available credits */ +}; + +struct vas_capabs { + struct vas_ct_capabs capab; + struct list_head list; +}; + +struct vas_win_lpar_be { + __be16 version; + u8 win_type; + u8 status; + __be16 credits; /* No of credits assigned to this window */ + __be16 reserved; + __be32 pid; /* LPAR Process ID */ + __be32 tid; /* LPAR Thread ID */ + __be64 win_addr; + __be32 interrupt; /* Interrupt when NX request completes */ + __be32 fault; /* Interrupt when NX sees fault */ + /* Associativity Domain Identifiers as returned in */ + /* H_HOME_NODE_ASSOCIATIVITY */ + __be64 domain[6]; + __be64 win_util; /* Number of bytes processed */ +} __packed __aligned(0x1000); + +#endif /* _VAS_H */
This patch adds HCALLs and other definitions. Also define structs that are used in VAS implementation on powerVM. Signed-off-by: Haren Myneni <haren@linux.ibm.com> --- arch/powerpc/include/asm/hvcall.h | 7 ++ arch/powerpc/include/asm/vas.h | 28 ++++++++ arch/powerpc/platforms/pseries/vas.h | 96 ++++++++++++++++++++++++++++ 3 files changed, 131 insertions(+) create mode 100644 arch/powerpc/platforms/pseries/vas.h