From 8a69b7e617ce170295aaff4616713c11ef2d998c Mon Sep 17 00:00:00 2001 From: Paul Durrant Date: Tue, 7 Mar 2017 10:55:32 +0000 Subject: [PATCH 3/6] xen: create wrappers for all other uses of xc_hvm_XXX() functions This patch creates inline wrapper functions in xen_common.h for all open coded calls to xc_hvm_XXX() functions outside of xen_common.h so that use of xen_xc can be made implicit. This again is in preparation for the move to using libxendevicemodel. Signed-off-by: Paul Durrant Reviewed-by: Anthony Perard Reviewed-by: Stefano Stabellini (cherry picked from commit 8f25e7544150abd4bfd4ef35fe152c049b5ea5e7) --- hw/i386/xen/xen_platform.c | 2 +- include/hw/xen/xen_common.h | 44 ++++++++++++++++++++++++++++++++++++++++++++ xen-hvm.c | 27 +++++++++++++-------------- 3 files changed, 58 insertions(+), 15 deletions(-) diff --git a/hw/i386/xen/xen_platform.c b/hw/i386/xen/xen_platform.c index 6010f35266..1419fc96d2 100644 --- a/hw/i386/xen/xen_platform.c +++ b/hw/i386/xen/xen_platform.c @@ -195,7 +195,7 @@ static void platform_fixed_ioport_writeb(void *opaque, uint32_t addr, uint32_t v case 0: /* Platform flags */ { hvmmem_type_t mem_type = (val & PFFLAG_ROM_LOCK) ? HVMMEM_ram_ro : HVMMEM_ram_rw; - if (xc_hvm_set_mem_type(xen_xc, xen_domid, mem_type, 0xc0, 0x40)) { + if (xen_set_mem_type(xen_domid, mem_type, 0xc0, 0x40)) { DPRINTF("unable to change ro/rw state of ROM memory area!\n"); } else { s->flags = val & PFFLAG_ROM_LOCK; diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 1e08b98617..31cf25f846 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -26,6 +26,50 @@ extern xc_interface *xen_xc; * We don't support Xen prior to 4.2.0. */ +static inline int xen_set_mem_type(domid_t domid, hvmmem_type_t type, + uint64_t first_pfn, uint32_t nr) +{ + return xc_hvm_set_mem_type(xen_xc, domid, type, first_pfn, nr); +} + +static inline int xen_set_pci_intx_level(domid_t domid, uint16_t segment, + uint8_t bus, uint8_t device, + uint8_t intx, unsigned int level) +{ + return xc_hvm_set_pci_intx_level(xen_xc, domid, segment, bus, device, + intx, level); +} + +static inline int xen_set_pci_link_route(domid_t domid, uint8_t link, + uint8_t irq) +{ + return xc_hvm_set_pci_link_route(xen_xc, domid, link, irq); +} + +static inline int xen_inject_msi(domid_t domid, uint64_t msi_addr, + uint32_t msi_data) +{ + return xc_hvm_inject_msi(xen_xc, domid, msi_addr, msi_data); +} + +static inline int xen_set_isa_irq_level(domid_t domid, uint8_t irq, + unsigned int level) +{ + return xc_hvm_set_isa_irq_level(xen_xc, domid, irq, level); +} + +static inline int xen_track_dirty_vram(domid_t domid, uint64_t first_pfn, + uint32_t nr, unsigned long *bitmap) +{ + return xc_hvm_track_dirty_vram(xen_xc, domid, first_pfn, nr, bitmap); +} + +static inline int xen_modified_memory(domid_t domid, uint64_t first_pfn, + uint32_t nr) +{ + return xc_hvm_modified_memory(xen_xc, domid, first_pfn, nr); +} + /* Xen 4.2 through 4.6 */ #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 471 diff --git a/xen-hvm.c b/xen-hvm.c index edf4983702..4b928cfb30 100644 --- a/xen-hvm.c +++ b/xen-hvm.c @@ -125,8 +125,8 @@ int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num) void xen_piix3_set_irq(void *opaque, int irq_num, int level) { - xc_hvm_set_pci_intx_level(xen_xc, xen_domid, 0, 0, irq_num >> 2, - irq_num & 3, level); + xen_set_pci_intx_level(xen_domid, 0, 0, irq_num >> 2, + irq_num & 3, level); } void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len) @@ -141,7 +141,7 @@ void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len) } v &= 0xf; if (((address + i) >= 0x60) && ((address + i) <= 0x63)) { - xc_hvm_set_pci_link_route(xen_xc, xen_domid, address + i - 0x60, v); + xen_set_pci_link_route(xen_domid, address + i - 0x60, v); } } } @@ -156,7 +156,7 @@ int xen_is_pirq_msi(uint32_t msi_data) void xen_hvm_inject_msi(uint64_t addr, uint32_t data) { - xc_hvm_inject_msi(xen_xc, xen_domid, addr, data); + xen_inject_msi(xen_domid, addr, data); } static void xen_suspend_notifier(Notifier *notifier, void *data) @@ -168,7 +168,7 @@ static void xen_suspend_notifier(Notifier *notifier, void *data) static void xen_set_irq(void *opaque, int irq, int level) { - xc_hvm_set_isa_irq_level(xen_xc, xen_domid, irq, level); + xen_set_isa_irq_level(xen_domid, irq, level); } qemu_irq *xen_interrupt_controller_init(void) @@ -481,10 +481,10 @@ static void xen_set_memory(struct MemoryListener *listener, section->mr, section->offset_within_region); } else { mem_type = HVMMEM_ram_ro; - if (xc_hvm_set_mem_type(xen_xc, xen_domid, mem_type, - start_addr >> TARGET_PAGE_BITS, - size >> TARGET_PAGE_BITS)) { - DPRINTF("xc_hvm_set_mem_type error, addr: "TARGET_FMT_plx"\n", + if (xen_set_mem_type(xen_domid, mem_type, + start_addr >> TARGET_PAGE_BITS, + size >> TARGET_PAGE_BITS)) { + DPRINTF("xen_set_mem_type error, addr: "TARGET_FMT_plx"\n", start_addr); } } @@ -586,9 +586,8 @@ static void xen_sync_dirty_bitmap(XenIOState *state, return; } - rc = xc_hvm_track_dirty_vram(xen_xc, xen_domid, - start_addr >> TARGET_PAGE_BITS, npages, - bitmap); + rc = xen_track_dirty_vram(xen_domid, start_addr >> TARGET_PAGE_BITS, + npages, bitmap); if (rc < 0) { #ifndef ENODATA #define ENODATA ENOENT @@ -634,7 +633,7 @@ static void xen_log_stop(MemoryListener *listener, MemoryRegionSection *section, if (old & ~new & (1 << DIRTY_MEMORY_VGA)) { state->log_for_dirtybit = NULL; /* Disable dirty bit tracking */ - xc_hvm_track_dirty_vram(xen_xc, xen_domid, 0, 0, NULL); + xen_track_dirty_vram(xen_domid, 0, 0, NULL); } } @@ -1403,7 +1402,7 @@ void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length) start_pfn = start >> TARGET_PAGE_BITS; nb_pages = ((start + length + TARGET_PAGE_SIZE - 1) >> TARGET_PAGE_BITS) - start_pfn; - rc = xc_hvm_modified_memory(xen_xc, xen_domid, start_pfn, nb_pages); + rc = xen_modified_memory(xen_domid, start_pfn, nb_pages); if (rc) { fprintf(stderr, "%s failed for "RAM_ADDR_FMT" ("RAM_ADDR_FMT"): %i, %s\n", -- 2.13.0