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Commit c9fdda2a authored by Dave Airlie's avatar Dave Airlie
Browse files

qxl: prepare memslot code for suspend/resume



this splits out initing the hw memslots from the guest info, and
creates an entrypoint for s/r to use.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 2bd6ce84
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+2 −0
Original line number Diff line number Diff line
@@ -331,6 +331,8 @@ void qxl_modeset_fini(struct qxl_device *qdev);
int qxl_bo_init(struct qxl_device *qdev);
void qxl_bo_fini(struct qxl_device *qdev);

void qxl_reinit_memslots(struct qxl_device *qdev);

struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
				 int element_size,
				 int n_elements,
+17 −4
Original line number Diff line number Diff line
@@ -72,21 +72,28 @@ static bool qxl_check_device(struct qxl_device *qdev)
	return true;
}

static void setup_hw_slot(struct qxl_device *qdev, int slot_index,
			  struct qxl_memslot *slot)
{
	qdev->ram_header->mem_slot.mem_start = slot->start_phys_addr;
	qdev->ram_header->mem_slot.mem_end = slot->end_phys_addr;
	qxl_io_memslot_add(qdev, slot_index);
}

static uint8_t setup_slot(struct qxl_device *qdev, uint8_t slot_index_offset,
	unsigned long start_phys_addr, unsigned long end_phys_addr)
{
	uint64_t high_bits;
	struct qxl_memslot *slot;
	uint8_t slot_index;
	struct qxl_ram_header *ram_header = qdev->ram_header;

	slot_index = qdev->rom->slots_start + slot_index_offset;
	slot = &qdev->mem_slots[slot_index];
	slot->start_phys_addr = start_phys_addr;
	slot->end_phys_addr = end_phys_addr;
	ram_header->mem_slot.mem_start = slot->start_phys_addr;
	ram_header->mem_slot.mem_end = slot->end_phys_addr;
	qxl_io_memslot_add(qdev, slot_index);

	setup_hw_slot(qdev, slot_index, slot);

	slot->generation = qdev->rom->slot_generation;
	high_bits = slot_index << qdev->slot_gen_bits;
	high_bits |= slot->generation;
@@ -95,6 +102,12 @@ static uint8_t setup_slot(struct qxl_device *qdev, uint8_t slot_index_offset,
	return slot_index;
}

void qxl_reinit_memslots(struct qxl_device *qdev)
{
	setup_hw_slot(qdev, qdev->main_mem_slot, &qdev->mem_slots[qdev->main_mem_slot]);
	setup_hw_slot(qdev, qdev->surfaces_mem_slot, &qdev->mem_slots[qdev->surfaces_mem_slot]);
}

static void qxl_gc_work(struct work_struct *work)
{
	struct qxl_device *qdev = container_of(work, struct qxl_device, gc_work);