| Message ID | 20211020014112.7336-2-bmeng.cn@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | hw/riscv: Use MachineState::ram and MachineClass::default_ram_id in all machines | expand |
On Wed, Oct 20, 2021 at 11:41 AM Bin Meng <bmeng.cn@gmail.com> wrote: > > Using memory_region_init_ram(), which can't possibly handle vhost-user, > and can't work as expected with '-numa node,memdev' options. > > Use MachineState::ram instead of manually initializing RAM memory > region, as well as by providing MachineClass::default_ram_id to > opt in to memdev scheme. > > Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > > --- > > Changes in v2: > - split RAM into low and high regions using aliases to machine->ram > - rename mc->default_ram_id to "microchip.icicle.kit.ram" > > hw/riscv/microchip_pfsoc.c | 36 ++++++++++++++++++++---------------- > 1 file changed, 20 insertions(+), 16 deletions(-) > > diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c > index e475b6d511..3fc8545562 100644 > --- a/hw/riscv/microchip_pfsoc.c > +++ b/hw/riscv/microchip_pfsoc.c > @@ -463,7 +463,7 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) > MemoryRegion *mem_low_alias = g_new(MemoryRegion, 1); > MemoryRegion *mem_high = g_new(MemoryRegion, 1); > MemoryRegion *mem_high_alias = g_new(MemoryRegion, 1); > - uint64_t mem_high_size; > + uint64_t mem_low_size, mem_high_size; > hwaddr firmware_load_addr; > const char *firmware_name; > bool kernel_as_payload = false; > @@ -485,31 +485,34 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) > TYPE_MICROCHIP_PFSOC); > qdev_realize(DEVICE(&s->soc), NULL, &error_abort); > > + /* Split RAM into low and high regions using aliases to machine->ram */ > + mem_low_size = memmap[MICROCHIP_PFSOC_DRAM_LO].size; > + mem_high_size = machine->ram_size - mem_low_size; > + memory_region_init_alias(mem_low, NULL, > + "microchip.icicle.kit.ram_low", machine->ram, > + 0, mem_low_size); > + memory_region_init_alias(mem_high, NULL, > + "microchip.icicle.kit.ram_high", machine->ram, > + mem_low_size, mem_high_size); > + > /* Register RAM */ > - memory_region_init_ram(mem_low, NULL, "microchip.icicle.kit.ram_low", > - memmap[MICROCHIP_PFSOC_DRAM_LO].size, > - &error_fatal); > - memory_region_init_alias(mem_low_alias, NULL, > - "microchip.icicle.kit.ram_low.alias", > - mem_low, 0, > - memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].size); > memory_region_add_subregion(system_memory, > memmap[MICROCHIP_PFSOC_DRAM_LO].base, > mem_low); > + memory_region_add_subregion(system_memory, > + memmap[MICROCHIP_PFSOC_DRAM_HI].base, > + mem_high); > + > + /* Create aliases for the low and high RAM regions */ > + memory_region_init_alias(mem_low_alias, NULL, > + "microchip.icicle.kit.ram_low.alias", > + mem_low, 0, mem_low_size); > memory_region_add_subregion(system_memory, > memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].base, > mem_low_alias); > - > - mem_high_size = machine->ram_size - 1 * GiB; > - > - memory_region_init_ram(mem_high, NULL, "microchip.icicle.kit.ram_high", > - mem_high_size, &error_fatal); > memory_region_init_alias(mem_high_alias, NULL, > "microchip.icicle.kit.ram_high.alias", > mem_high, 0, mem_high_size); > - memory_region_add_subregion(system_memory, > - memmap[MICROCHIP_PFSOC_DRAM_HI].base, > - mem_high); > memory_region_add_subregion(system_memory, > memmap[MICROCHIP_PFSOC_DRAM_HI_ALIAS].base, > mem_high_alias); > @@ -606,6 +609,7 @@ static void microchip_icicle_kit_machine_class_init(ObjectClass *oc, void *data) > MICROCHIP_PFSOC_COMPUTE_CPU_COUNT; > mc->min_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT + 1; > mc->default_cpus = mc->min_cpus; > + mc->default_ram_id = "microchip.icicle.kit.ram"; > > /* > * Map 513 MiB high memory, the mimimum required high memory size, because > -- > 2.25.1 > >
On Wed, 20 Oct 2021 09:41:07 +0800 Bin Meng <bmeng.cn@gmail.com> wrote: > Using memory_region_init_ram(), which can't possibly handle vhost-user, > and can't work as expected with '-numa node,memdev' options. > > Use MachineState::ram instead of manually initializing RAM memory > region, as well as by providing MachineClass::default_ram_id to > opt in to memdev scheme. > > Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> > > --- > > Changes in v2: > - split RAM into low and high regions using aliases to machine->ram > - rename mc->default_ram_id to "microchip.icicle.kit.ram" > > hw/riscv/microchip_pfsoc.c | 36 ++++++++++++++++++++---------------- > 1 file changed, 20 insertions(+), 16 deletions(-) > > diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c > index e475b6d511..3fc8545562 100644 > --- a/hw/riscv/microchip_pfsoc.c > +++ b/hw/riscv/microchip_pfsoc.c > @@ -463,7 +463,7 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) > MemoryRegion *mem_low_alias = g_new(MemoryRegion, 1); > MemoryRegion *mem_high = g_new(MemoryRegion, 1); > MemoryRegion *mem_high_alias = g_new(MemoryRegion, 1); > - uint64_t mem_high_size; > + uint64_t mem_low_size, mem_high_size; > hwaddr firmware_load_addr; > const char *firmware_name; > bool kernel_as_payload = false; > @@ -485,31 +485,34 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) > TYPE_MICROCHIP_PFSOC); > qdev_realize(DEVICE(&s->soc), NULL, &error_abort); > > + /* Split RAM into low and high regions using aliases to machine->ram */ > + mem_low_size = memmap[MICROCHIP_PFSOC_DRAM_LO].size; > + mem_high_size = machine->ram_size - mem_low_size; > + memory_region_init_alias(mem_low, NULL, > + "microchip.icicle.kit.ram_low", machine->ram, > + 0, mem_low_size); > + memory_region_init_alias(mem_high, NULL, > + "microchip.icicle.kit.ram_high", machine->ram, > + mem_low_size, mem_high_size); > + > /* Register RAM */ > - memory_region_init_ram(mem_low, NULL, "microchip.icicle.kit.ram_low", > - memmap[MICROCHIP_PFSOC_DRAM_LO].size, > - &error_fatal); > - memory_region_init_alias(mem_low_alias, NULL, > - "microchip.icicle.kit.ram_low.alias", > - mem_low, 0, > - memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].size); > memory_region_add_subregion(system_memory, > memmap[MICROCHIP_PFSOC_DRAM_LO].base, > mem_low); > + memory_region_add_subregion(system_memory, > + memmap[MICROCHIP_PFSOC_DRAM_HI].base, > + mem_high); > + > + /* Create aliases for the low and high RAM regions */ > + memory_region_init_alias(mem_low_alias, NULL, > + "microchip.icicle.kit.ram_low.alias", > + mem_low, 0, mem_low_size); > memory_region_add_subregion(system_memory, > memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].base, > mem_low_alias); > - > - mem_high_size = machine->ram_size - 1 * GiB; > - > - memory_region_init_ram(mem_high, NULL, "microchip.icicle.kit.ram_high", > - mem_high_size, &error_fatal); > memory_region_init_alias(mem_high_alias, NULL, > "microchip.icicle.kit.ram_high.alias", > mem_high, 0, mem_high_size); > - memory_region_add_subregion(system_memory, > - memmap[MICROCHIP_PFSOC_DRAM_HI].base, > - mem_high); > memory_region_add_subregion(system_memory, > memmap[MICROCHIP_PFSOC_DRAM_HI_ALIAS].base, > mem_high_alias); > @@ -606,6 +609,7 @@ static void microchip_icicle_kit_machine_class_init(ObjectClass *oc, void *data) > MICROCHIP_PFSOC_COMPUTE_CPU_COUNT; > mc->min_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT + 1; > mc->default_cpus = mc->min_cpus; > + mc->default_ram_id = "microchip.icicle.kit.ram"; > > /* > * Map 513 MiB high memory, the mimimum required high memory size, because
diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c index e475b6d511..3fc8545562 100644 --- a/hw/riscv/microchip_pfsoc.c +++ b/hw/riscv/microchip_pfsoc.c @@ -463,7 +463,7 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) MemoryRegion *mem_low_alias = g_new(MemoryRegion, 1); MemoryRegion *mem_high = g_new(MemoryRegion, 1); MemoryRegion *mem_high_alias = g_new(MemoryRegion, 1); - uint64_t mem_high_size; + uint64_t mem_low_size, mem_high_size; hwaddr firmware_load_addr; const char *firmware_name; bool kernel_as_payload = false; @@ -485,31 +485,34 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) TYPE_MICROCHIP_PFSOC); qdev_realize(DEVICE(&s->soc), NULL, &error_abort); + /* Split RAM into low and high regions using aliases to machine->ram */ + mem_low_size = memmap[MICROCHIP_PFSOC_DRAM_LO].size; + mem_high_size = machine->ram_size - mem_low_size; + memory_region_init_alias(mem_low, NULL, + "microchip.icicle.kit.ram_low", machine->ram, + 0, mem_low_size); + memory_region_init_alias(mem_high, NULL, + "microchip.icicle.kit.ram_high", machine->ram, + mem_low_size, mem_high_size); + /* Register RAM */ - memory_region_init_ram(mem_low, NULL, "microchip.icicle.kit.ram_low", - memmap[MICROCHIP_PFSOC_DRAM_LO].size, - &error_fatal); - memory_region_init_alias(mem_low_alias, NULL, - "microchip.icicle.kit.ram_low.alias", - mem_low, 0, - memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].size); memory_region_add_subregion(system_memory, memmap[MICROCHIP_PFSOC_DRAM_LO].base, mem_low); + memory_region_add_subregion(system_memory, + memmap[MICROCHIP_PFSOC_DRAM_HI].base, + mem_high); + + /* Create aliases for the low and high RAM regions */ + memory_region_init_alias(mem_low_alias, NULL, + "microchip.icicle.kit.ram_low.alias", + mem_low, 0, mem_low_size); memory_region_add_subregion(system_memory, memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].base, mem_low_alias); - - mem_high_size = machine->ram_size - 1 * GiB; - - memory_region_init_ram(mem_high, NULL, "microchip.icicle.kit.ram_high", - mem_high_size, &error_fatal); memory_region_init_alias(mem_high_alias, NULL, "microchip.icicle.kit.ram_high.alias", mem_high, 0, mem_high_size); - memory_region_add_subregion(system_memory, - memmap[MICROCHIP_PFSOC_DRAM_HI].base, - mem_high); memory_region_add_subregion(system_memory, memmap[MICROCHIP_PFSOC_DRAM_HI_ALIAS].base, mem_high_alias); @@ -606,6 +609,7 @@ static void microchip_icicle_kit_machine_class_init(ObjectClass *oc, void *data) MICROCHIP_PFSOC_COMPUTE_CPU_COUNT; mc->min_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT + 1; mc->default_cpus = mc->min_cpus; + mc->default_ram_id = "microchip.icicle.kit.ram"; /* * Map 513 MiB high memory, the mimimum required high memory size, because
Using memory_region_init_ram(), which can't possibly handle vhost-user, and can't work as expected with '-numa node,memdev' options. Use MachineState::ram instead of manually initializing RAM memory region, as well as by providing MachineClass::default_ram_id to opt in to memdev scheme. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> --- Changes in v2: - split RAM into low and high regions using aliases to machine->ram - rename mc->default_ram_id to "microchip.icicle.kit.ram" hw/riscv/microchip_pfsoc.c | 36 ++++++++++++++++++++---------------- 1 file changed, 20 insertions(+), 16 deletions(-)