diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xpc_uv.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_uv.c | 57 |
1 files changed, 52 insertions, 5 deletions
diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index 770f0a8c669..32c577b8d0d 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -19,15 +19,22 @@ /* >>> uv_gpa() is defined in <gru/grukservices.h> */ #define uv_gpa(_a) ((unsigned long)_a) -/* >>> temporarily define next three items for xpc.h */ -#define SGI_XPC_ACTIVATE 23 -#define SGI_XPC_NOTIFY 24 -#define sn_send_IPI_phys(_a, _b, _c, _d) - #include "xpc.h" +static DECLARE_BITMAP(xpc_heartbeating_to_mask_uv, XP_MAX_NPARTITIONS_UV); + static void *xpc_activate_mq; +static void +xpc_IPI_send_local_activate_uv(struct xpc_partition *part) +{ + /* + * >>> make our side think that the remote parition sent an activate + * >>> message our way. Also do what the activate IRQ handler would + * >>> do had one really been sent. + */ +} + static enum xp_retval xpc_rsvd_page_init_uv(struct xpc_rsvd_page *rp) { @@ -36,6 +43,41 @@ xpc_rsvd_page_init_uv(struct xpc_rsvd_page *rp) return xpSuccess; } +static void +xpc_increment_heartbeat_uv(void) +{ + /* >>> send heartbeat msg to xpc_heartbeating_to_mask partids */ +} + +static void +xpc_heartbeat_init_uv(void) +{ + bitmap_zero(xpc_heartbeating_to_mask_uv, XP_MAX_NPARTITIONS_UV); + xpc_heartbeating_to_mask = &xpc_heartbeating_to_mask_uv[0]; +} + +static void +xpc_heartbeat_exit_uv(void) +{ + /* >>> send heartbeat_offline msg to xpc_heartbeating_to_mask partids */ +} + +static void +xpc_initiate_partition_activation_uv(struct xpc_rsvd_page *remote_rp, + u64 remote_rp_pa, int nasid) +{ + short partid = remote_rp->SAL_partid; + struct xpc_partition *part = &xpc_partitions[partid]; + +/* + * >>> setup part structure with the bits of info we can glean from the rp + * >>> part->remote_rp_pa = remote_rp_pa; + * >>> part->sn.uv.activate_mq_gpa = remote_rp->sn.activate_mq_gpa; + */ + + xpc_IPI_send_local_activate_uv(part); +} + /* * Setup the infrastructure necessary to support XPartition Communication * between the specified remote partition and the local one. @@ -83,6 +125,11 @@ void xpc_init_uv(void) { xpc_rsvd_page_init = xpc_rsvd_page_init_uv; + xpc_increment_heartbeat = xpc_increment_heartbeat_uv; + xpc_heartbeat_init = xpc_heartbeat_init_uv; + xpc_heartbeat_exit = xpc_heartbeat_exit_uv; + xpc_initiate_partition_activation = + xpc_initiate_partition_activation_uv; xpc_setup_infrastructure = xpc_setup_infrastructure_uv; xpc_teardown_infrastructure = xpc_teardown_infrastructure_uv; xpc_make_first_contact = xpc_make_first_contact_uv; |