lkml.org 
[lkml]   [2019]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/5] powerpc: Add OPAL calls for LPC memory alloc/release
From
Date
On 17/9/19 3:42 am, Alastair D'Silva wrote:
> From: Alastair D'Silva <alastair@d-silva.org>
>
> Add OPAL calls for LPC memory alloc/release
>
> Signed-off-by: Alastair D'Silva <alastair@d-silva.org>

This needs rebasing, but apart from that.

Acked-by: Andrew Donnellan <ajd@linux.ibm.com>

> ---
> arch/powerpc/include/asm/opal-api.h | 4 +++-
> arch/powerpc/include/asm/opal.h | 3 +++
> arch/powerpc/platforms/powernv/opal-call.c | 2 ++
> 3 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h
> index 383242eb0dea..c58161cd7cfb 100644
> --- a/arch/powerpc/include/asm/opal-api.h
> +++ b/arch/powerpc/include/asm/opal-api.h
> @@ -208,7 +208,9 @@
> #define OPAL_HANDLE_HMI2 166
> #define OPAL_NX_COPROC_INIT 167
> #define OPAL_XIVE_GET_VP_STATE 170
> -#define OPAL_LAST 170
> +#define OPAL_NPU_MEM_ALLOC 171
> +#define OPAL_NPU_MEM_RELEASE 172
> +#define OPAL_LAST 172
>
> #define QUIESCE_HOLD 1 /* Spin all calls at entry */
> #define QUIESCE_REJECT 2 /* Fail all calls with OPAL_BUSY */
> diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
> index 57bd029c715e..8c957a003be4 100644
> --- a/arch/powerpc/include/asm/opal.h
> +++ b/arch/powerpc/include/asm/opal.h
> @@ -39,6 +39,9 @@ int64_t opal_npu_spa_clear_cache(uint64_t phb_id, uint32_t bdfn,
> uint64_t PE_handle);
> int64_t opal_npu_tl_set(uint64_t phb_id, uint32_t bdfn, long cap,
> uint64_t rate_phys, uint32_t size);
> +int64_t opal_npu_mem_alloc(uint64_t phb_id, uint32_t bdfn,
> + uint64_t size, uint64_t *bar);
> +int64_t opal_npu_mem_release(uint64_t phb_id, uint32_t bdfn);
> int64_t opal_console_write(int64_t term_number, __be64 *length,
> const uint8_t *buffer);
> int64_t opal_console_read(int64_t term_number, __be64 *length,
> diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c
> index 29ca523c1c79..09a280446507 100644
> --- a/arch/powerpc/platforms/powernv/opal-call.c
> +++ b/arch/powerpc/platforms/powernv/opal-call.c
> @@ -287,3 +287,5 @@ OPAL_CALL(opal_pci_set_pbcq_tunnel_bar, OPAL_PCI_SET_PBCQ_TUNNEL_BAR);
> OPAL_CALL(opal_sensor_read_u64, OPAL_SENSOR_READ_U64);
> OPAL_CALL(opal_sensor_group_enable, OPAL_SENSOR_GROUP_ENABLE);
> OPAL_CALL(opal_nx_coproc_init, OPAL_NX_COPROC_INIT);
> +OPAL_CALL(opal_npu_mem_alloc, OPAL_NPU_MEM_ALLOC);
> +OPAL_CALL(opal_npu_mem_release, OPAL_NPU_MEM_RELEASE);
>

--
Andrew Donnellan OzLabs, ADL Canberra
ajd@linux.ibm.com IBM Australia Limited

\
 
 \ /
  Last update: 2019-09-25 13:42    [W:0.215 / U:7.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site