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spapr: rename "hotplug memory" terminology to "device memory"

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Let's make it clear at relevant places that we are dealing with device
memory. That it can be used for memory hotplug is just a special case.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-11-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
[ehabkost: rebased series, solved conflicts at spapr.c]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
David Hildenbrand 2018-04-23 18:51:25 +02:00 committed by Eduardo Habkost
parent f2ffbe2b7d
commit 0c9269a52d
2 changed files with 15 additions and 15 deletions
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26
hw/ppc/spapr.c
View File

@ -791,7 +791,7 @@ static int spapr_populate_drmem_v1(sPAPRMachineState *spapr, void *fdt,
MachineState *machine = MACHINE(spapr);
int i, ret;
uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE;
uint32_t hotplug_lmb_start = machine->device_memory->base / lmb_size;
uint32_t device_lmb_start = machine->device_memory->base / lmb_size;
uint32_t nr_lmbs = (machine->device_memory->base +
memory_region_size(&machine->device_memory->mr)) /
lmb_size;
@ -808,7 +808,7 @@ static int spapr_populate_drmem_v1(sPAPRMachineState *spapr, void *fdt,
uint64_t addr = i * lmb_size;
uint32_t *dynamic_memory = cur_index;
if (i >= hotplug_lmb_start) {
if (i >= device_lmb_start) {
sPAPRDRConnector *drc;
drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, i);
@ -827,7 +827,7 @@ static int spapr_populate_drmem_v1(sPAPRMachineState *spapr, void *fdt,
} else {
/*
* LMB information for RMA, boot time RAM and gap b/n RAM and
* hotplug memory region -- all these are marked as reserved
* device memory region -- all these are marked as reserved
* and as having no valid DRC.
*/
dynamic_memory[0] = cpu_to_be32(addr >> 32);
@ -865,7 +865,7 @@ static int spapr_populate_drconf_memory(sPAPRMachineState *spapr, void *fdt)
MemoryDeviceInfoList *dimms = NULL;
/*
* Don't create the node if there is no hotpluggable memory
* Don't create the node if there is no device memory
*/
if (machine->ram_size == machine->maxram_size) {
return 0;
@ -1036,11 +1036,11 @@ static void spapr_dt_rtas(sPAPRMachineState *spapr, void *fdt)
GString *hypertas = g_string_sized_new(256);
GString *qemu_hypertas = g_string_sized_new(256);
uint32_t refpoints[] = { cpu_to_be32(0x4), cpu_to_be32(0x4) };
uint64_t max_hotplug_addr = MACHINE(spapr)->device_memory->base +
uint64_t max_device_addr = MACHINE(spapr)->device_memory->base +
memory_region_size(&MACHINE(spapr)->device_memory->mr);
uint32_t lrdr_capacity[] = {
cpu_to_be32(max_hotplug_addr >> 32),
cpu_to_be32(max_hotplug_addr & 0xffffffff),
cpu_to_be32(max_device_addr >> 32),
cpu_to_be32(max_device_addr & 0xffffffff),
0, cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE),
cpu_to_be32(max_cpus / smp_threads),
};
@ -2641,7 +2641,7 @@ static void spapr_machine_init(MachineState *machine)
/* initialize hotplug memory address space */
if (machine->ram_size < machine->maxram_size) {
ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size;
ram_addr_t device_mem_size = machine->maxram_size - machine->ram_size;
/*
* Limit the number of hotpluggable memory slots to half the number
* slots that KVM supports, leaving the other half for PCI and other
@ -2661,9 +2661,9 @@ static void spapr_machine_init(MachineState *machine)
}
machine->device_memory->base = ROUND_UP(machine->ram_size,
SPAPR_HOTPLUG_MEM_ALIGN);
SPAPR_DEVICE_MEM_ALIGN);
memory_region_init(&machine->device_memory->mr, OBJECT(spapr),
"hotplug-memory", hotplug_mem_size);
"device-memory", device_mem_size);
memory_region_add_subregion(sysmem, machine->device_memory->base,
&machine->device_memory->mr);
}
@ -4262,11 +4262,11 @@ static void phb_placement_2_7(sPAPRMachineState *spapr, uint32_t index,
hwaddr phb0_base, phb_base;
int i;
/* Do we have hotpluggable memory? */
/* Do we have device memory? */
if (MACHINE(spapr)->maxram_size > ram_top) {
/* Can't just use maxram_size, because there may be an
* alignment gap between normal and hotpluggable memory
* regions */
* alignment gap between normal and device memory regions
*/
ram_top = MACHINE(spapr)->device_memory->base +
memory_region_size(&MACHINE(spapr)->device_memory->mr);
}

4
include/hw/ppc/spapr.h
View File

@ -747,8 +747,8 @@ int spapr_rng_populate_dt(void *fdt);
*/
#define SPAPR_MAX_RAM_SLOTS 32
/* 1GB alignment for hotplug memory region */
#define SPAPR_HOTPLUG_MEM_ALIGN (1ULL << 30)
/* 1GB alignment for device memory region */
#define SPAPR_DEVICE_MEM_ALIGN (1ULL << 30)
/*
* Number of 32 bit words in each LMB list entry in ibm,dynamic-memory