Commit 7d9d1f25 authored by Dean Nelson's avatar Dean Nelson Committed by H. Peter Anvin
Browse files

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: default avatarDean Nelson <dcn@sgi.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 31de5ece

drivers/misc/sgi-xp/xpc_uv.c

+28 −3
Original line number Diff line number Diff line
@@ -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