Hello,
On Fri, Mar 17, 2023 at 03:08:11PM +0530, Avnish Chouhan wrote:
> This patch enables the multiple options in Options Vector5.
>
> Signed-off-by: Avnish Chouhan <avn...@linux.vnet.ibm.com>
> Reviewed-by: Brian King <brk...@linux.vnet.ibm.com>
> ---
> grub-core/kern/ieee1275/init.c | 43
> ++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 42 insertions(+), 1 deletion(-)
>
> diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
> index 7337e28..6f0eeee 100644
> --- a/grub-core/kern/ieee1275/init.c
> +++ b/grub-core/kern/ieee1275/init.c
> @@ -72,6 +72,42 @@ extern char _end[];
> grub_addr_t grub_ieee1275_original_stack;
> #endif
>
> +/* Options vector5 properties */
> +
> +#define LPAR 0x80
> +#define SPLPAR 0x40
> +#define DYN_RCON_MEM 0x20
> +#define LARGE_PAGES 0x10
> +#define DONATE_DCPU_CLS 0x2
> +#define PCI_EXP 0x1
> +#define BYTE2 (LPAR | SPLPAR | DYN_RCON_MEM | LARGE_PAGES |
> DONATE_DCPU_CLS | PCI_EXP)
> +
> +#define CMOC 0x80
> +#define EXT_CMO 0x40
> +#define CMO (CMOC | EXT_CMO)
> +
> +#define ASSOC_REF 0x80
> +#define AFFINITY 0x40
> +#define NUMA 0x20
> +#define ASSOCIATIVITY (ASSOC_REF | AFFINITY | NUMA)
> +
> +#define HOTPLUG_INTRPT 0x4
> +#define HPT_RESIZE 0x1
> +#define BIN_OPTS (HOTPLUG_INTRPT | HPT_RESIZE)
> +
> +#define MAX_CPU 256
> +
> +#define PFO_HWRNG 0x80000000
> +#define PFO_HW_COMP 0x40000000
> +#define PFO_ENCRYPT 0x20000000
> +#define PLATFORM_FACILITIES (PFO_HWRNG | PFO_HW_COMP | PFO_ENCRYPT)
> +
> +#define SUB_PROCESSORS 1
> +
> +#define DY_MEM_V2 0x80
> +#define DRC_INFO 0x40
> +#define BYTE22 (DY_MEM_V2 | DRC_INFO)
> +
> void
> grub_exit (void)
> {
> @@ -511,6 +547,11 @@ struct option_vector5
> grub_uint8_t micro_checkpoint;
> grub_uint8_t reserved0;
> grub_uint32_t max_cpus;
> + grub_uint16_t base_PAPR;
> + grub_uint16_t mem_reference;
> + grub_uint32_t platform_facilities;
> + grub_uint8_t sub_processors;
> + grub_uint8_t byte22;
> } GRUB_PACKED;
>
> struct pvr_entry
> @@ -573,7 +614,7 @@ grub_ieee1275_ibm_cas (void)
> .vec4 = 0x0001, /* set required minimum capacity % to the lowest value */
> .vec5_size = 1 + sizeof (struct option_vector5) - 2,
> .vec5 = {
> - 0, 192, 0, 128, 0, 0, 0, 0, 256
> + 0, BYTE2, 0, CMO, ASSOCIATIVITY, BIN_OPTS, 0, 0, MAX_CPU, 0, 0,
> PLATFORM_FACILITIES, SUB_PROCESSORS, BYTE22
Thanks for adding the named constants, that makes the initialization
much more readable.
Thanks
Michal
> }
> };
>
> --
> 2.31.1
>
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