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ppc/xics: Split ICS into ics-base and ics class

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The existing implementation remains same and ics-base is introduced. The
type name "ics" is retained, and all the related functions renamed as
ics_simple_*

This will allow different implementations for the source controllers
such as the MSI support of PHB3 on Power8 which uses in-memory state
tables for example.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
[ clg: added ICS_BASE_GET_CLASS and related fixes, based on :
       http://patchwork.ozlabs.org/patch/646010/ ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2016-10-03 09:24:47 +02:00 • committed by David Gibson
parent cc706a5305
commit d4d7a59a7a
5 changed files with 139 additions and 92 deletions
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27
include/hw/ppc/xics.h
View file

@ -119,22 +119,29 @@ struct ICPState {
bool cap_irq_xics_enabled;
};
#define TYPE_ICS "ics"
#define ICS(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS)
#define TYPE_ICS_BASE "ics-base"
#define ICS_BASE(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_BASE)
#define TYPE_KVM_ICS "icskvm"
#define KVM_ICS(obj) OBJECT_CHECK(ICSState, (obj), TYPE_KVM_ICS)
/* Retain ics for sPAPR for migration from existing sPAPR guests */
#define TYPE_ICS_SIMPLE "ics"
#define ICS_SIMPLE(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_SIMPLE)
#define ICS_CLASS(klass) \
OBJECT_CLASS_CHECK(ICSStateClass, (klass), TYPE_ICS)
#define ICS_GET_CLASS(obj) \
OBJECT_GET_CLASS(ICSStateClass, (obj), TYPE_ICS)
#define TYPE_ICS_KVM "icskvm"
#define ICS_KVM(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_KVM)
#define ICS_BASE_CLASS(klass) \
OBJECT_CLASS_CHECK(ICSStateClass, (klass), TYPE_ICS_BASE)
#define ICS_BASE_GET_CLASS(obj) \
OBJECT_GET_CLASS(ICSStateClass, (obj), TYPE_ICS_BASE)
struct ICSStateClass {
DeviceClass parent_class;
void (*pre_save)(ICSState *s);
int (*post_load)(ICSState *s, int version_id);
void (*reject)(ICSState *s, uint32_t irq);
void (*resend)(ICSState *s);
void (*eoi)(ICSState *s, uint32_t irq);
};
struct ICSState {
@ -191,8 +198,8 @@ uint32_t icp_accept(ICPState *ss);
uint32_t icp_ipoll(ICPState *ss, uint32_t *mfrr);
void icp_eoi(XICSState *icp, int server, uint32_t xirr);
void ics_write_xive(ICSState *ics, int nr, int server,
uint8_t priority, uint8_t saved_priority);
void ics_simple_write_xive(ICSState *ics, int nr, int server,
uint8_t priority, uint8_t saved_priority);
void ics_set_irq_type(ICSState *ics, int srcno, bool lsi);