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hw/cxl: Make the CXL fixed memory window setup a machine parameter.

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Paolo Bonzini requested this change to simplify the ongoing
effort to allow machine setup entirely via RPC.

Includes shortening the command line form cxl-fixed-memory-window
to cxl-fmw as the command lines are extremely long even with this
change.

The json change is needed to ensure that there is
a CXLFixedMemoryWindowOptionsList even though the actual
element in the json is never used. Similar to existing
SgxEpcProperties.

Update qemu-options.hx to reflect that this is now a -machine
parameter.  The bulk of -M / -machine parameters are documented
under machine, so use that in preference to M.

Update cxl-test and bios-tables-test to reflect new parameters.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Message-Id: <20220608145440.26106-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jonathan Cameron 2022-06-08 15:54:33 +01:00 • committed by Michael S. Tsirkin
parent 92344e76b8
commit 03b39fcf64
14 changed files with 150 additions and 126 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/hw/cxl/cxl.h
View file

@ -12,6 +12,7 @@
#include "qapi/qapi-types-machine.h"
#include "qapi/qapi-visit-machine.h"
#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_host.h"
#include "cxl_pci.h"
@ -40,6 +41,7 @@ typedef struct CXLState {
MemoryRegion host_mr;
unsigned int next_mr_idx;
GList *fixed_windows;
CXLFixedMemoryWindowOptionsList *cfmw_list;
} CXLState;
struct CXLHost {
@ -51,11 +53,6 @@ struct CXLHost {
#define TYPE_PXB_CXL_HOST "pxb-cxl-host"
OBJECT_DECLARE_SIMPLE_TYPE(CXLHost, PXB_CXL_HOST)
void cxl_fixed_memory_window_config(MachineState *ms,
CXLFixedMemoryWindowOptions *object,
Error **errp);
void cxl_fixed_memory_window_link_targets(Error **errp);
extern const MemoryRegionOps cfmws_ops;
#endif