f1aa45fffe
The next step to centralize all NUMA/associativity handling in the spapr machine is to create a 'one stop place' for all things ibm,associativity. This patch introduces numa_assoc_array, a 2 dimensional array that will store all ibm,associativity arrays of all NUMA nodes. This array is initialized in a new spapr_numa_associativity_init() function, called in spapr_machine_init(). It is being initialized with the same values used in other ibm,associativity properties around spapr files (i.e. all zeros, last value is node_id). The idea is to remove all hardcoded definitions and FDT writes of ibm,associativity arrays, doing instead a call to the new helper spapr_numa_write_associativity_dt() helper, that will be able to write the DT with the correct values. We'll start small, handling the trivial cases first. The remaining instances of ibm,associativity will be handled next. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20200903220639.563090-2-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
32 lines
1017 B
C
32 lines
1017 B
C
/*
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* QEMU PowerPC pSeries Logical Partition NUMA associativity handling
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*
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* Copyright IBM Corp. 2020
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*
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* Authors:
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* Daniel Henrique Barboza <danielhb413@gmail.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef HW_SPAPR_NUMA_H
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#define HW_SPAPR_NUMA_H
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#include "hw/boards.h"
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#include "hw/ppc/spapr.h"
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/*
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* Having both SpaprMachineState and MachineState as arguments
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* feels odd, but it will spare a MACHINE() call inside the
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* function. spapr_machine_init() is the only caller for it, and
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* it has both pointers resolved already.
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*/
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void spapr_numa_associativity_init(SpaprMachineState *spapr,
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MachineState *machine);
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void spapr_numa_write_rtas_dt(SpaprMachineState *spapr, void *fdt, int rtas);
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void spapr_numa_write_associativity_dt(SpaprMachineState *spapr, void *fdt,
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int offset, int nodeid);
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#endif /* HW_SPAPR_NUMA_H */
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