Messages in this thread Patch in this message | | | Date | Tue, 21 Oct 2008 16:25:35 -0500 | From | Dean Nelson <> | Subject | [PATCH 4/4] sgi-xp: support getting the address of a partition's reserved page |
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Add support for getting the address of a partition's reserved page.
Signed-off-by: Dean Nelson <dcn@sgi.com>
---
drivers/misc/sgi-xp/xpc_uv.c | 31 ++++++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-)
Index: linux/drivers/misc/sgi-xp/xpc_uv.c =================================================================== --- linux.orig/drivers/misc/sgi-xp/xpc_uv.c 2008-10-21 12:50:18.000000000 -0500 +++ linux/drivers/misc/sgi-xp/xpc_uv.c 2008-10-21 14:00:13.000000000 -0500 @@ -642,7 +642,7 @@ xpc_send_local_activate_IRQ_uv(struct xp struct xpc_partition_uv *part_uv = &part->sn.uv; /* - * !!! Make our side think that the remote parition sent an activate + * !!! Make our side think that the remote partition sent an activate * !!! message our way by doing what the activate IRQ handler would * !!! do had one really been sent. */ @@ -660,8 +660,33 @@ static enum xp_retval xpc_get_partition_rsvd_page_pa_uv(void *buf, u64 *cookie, unsigned long *rp_pa, size_t *len) { - /* !!! call the UV version of sn_partition_reserved_page_pa() */ - return xpUnsupported; + s64 status; + enum xp_retval ret; + +#if defined CONFIG_X86_64 + status = uv_bios_reserved_page_pa((u64)buf, cookie, (u64 *)rp_pa, + (u64 *)len); + if (status == BIOS_STATUS_SUCCESS) + ret = xpSuccess; + else if (status == BIOS_STATUS_MORE_PASSES) + ret = xpNeedMoreInfo; + else + ret = xpBiosError; + +#elif defined CONFIG_IA64_GENERIC || defined CONFIG_IA64_SGI_UV + status = sn_partition_reserved_page_pa((u64)buf, cookie, rp_pa, len); + if (status == SALRET_OK) + ret = xpSuccess; + else if (status == SALRET_MORE_PASSES) + ret = xpNeedMoreInfo; + else + ret = xpSalError; + +#else + #error not a supported configuration +#endif + + return ret; } static int
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