diff options
| author | Haren Myneni <haren@linux.ibm.com> | 2021-06-17 22:34:05 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-20 13:58:56 +0200 |
| commit | 8f3a6c92802b7c48043954ba3b507e9b33d8c898 (patch) | |
| tree | 99be1598cfd9e77d79b99370f3a2cee11d7b935b /arch/powerpc/include/asm/vas.h | |
| parent | powerpc/vas: Define and use common vas_window struct (diff) | |
| download | linux-8f3a6c92802b7c48043954ba3b507e9b33d8c898.tar.xz linux-8f3a6c92802b7c48043954ba3b507e9b33d8c898.zip | |
powerpc/pseries/vas: Define VAS/NXGZIP hcalls and structs
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>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b4b8c594c27ee4aa6be9dc6dc4ee7331571cbbe8.camel@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include/asm/vas.h')
| -rw-r--r-- | arch/powerpc/include/asm/vas.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/vas.h b/arch/powerpc/include/asm/vas.h index 14ad7982874c..99570c33058f 100644 --- a/arch/powerpc/include/asm/vas.h +++ b/arch/powerpc/include/asm/vas.h @@ -160,6 +160,7 @@ 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 @@ -225,6 +226,35 @@ 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 PPC_BIT(VAS_GZIP_QOS_FEAT) /* Bit 1 */ +#define VAS_GZIP_DEF_FEAT_BIT PPC_BIT(VAS_GZIP_DEF_FEAT) /* Bit 2 */ + +/* NX Capabilities */ +#define VAS_NX_GZIP_FEAT 0x1 +#define VAS_NX_GZIP_FEAT_BIT PPC_BIT(VAS_NX_GZIP_FEAT) /* Bit 1 */ + +/* + * These structs are used to retrieve overall VAS capabilities that + * the hypervisor provides. + */ +struct hv_vas_all_caps { + __be64 descriptor; + __be64 feat_type; +} __packed __aligned(0x1000); + +struct vas_all_caps { + u64 descriptor; + u64 feat_type; +}; + +#endif /* * Register / unregister coprocessor type to VAS API which will be exported |