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| author | Dean Nelson <dcn@sgi.com> | 2008-11-05 17:29:48 -0600 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-11-05 20:32:21 -0800 |
| commit | 7d9d1f25c3872080ce599e5dd0dac3305d0a028b (patch) | |
| tree | d2e8b513cc0b89f932d8e1cffcd8d1f6d8f7a953 /drivers/misc/sgi-xp/xpc_uv.c | |
| parent | 31de5ece351a218a35b9bf83ab05a14373261bb6 (diff) | |
| download | lwn-7d9d1f25c3872080ce599e5dd0dac3305d0a028b.tar.gz lwn-7d9d1f25c3872080ce599e5dd0dac3305d0a028b.zip | |
sgi-xp: support getting the address of a partition's reserved page
Add support for getting the address of a partition's reserved page.
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'drivers/misc/sgi-xp/xpc_uv.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_uv.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index ec526c7ff70c..684b2dd17583 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -642,7 +642,7 @@ xpc_send_local_activate_IRQ_uv(struct xpc_partition *part, int act_state_req) 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 |