diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/xen/xen_pt.h | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/xen/xen_pt.h')
-rw-r--r-- | qemu/hw/xen/xen_pt.h | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/qemu/hw/xen/xen_pt.h b/qemu/hw/xen/xen_pt.h deleted file mode 100644 index c2f8e1fc2..000000000 --- a/qemu/hw/xen/xen_pt.h +++ /dev/null @@ -1,335 +0,0 @@ -#ifndef XEN_PT_H -#define XEN_PT_H - -#include "qemu-common.h" -#include "hw/xen/xen_common.h" -#include "hw/pci/pci.h" -#include "xen-host-pci-device.h" - -void xen_pt_log(const PCIDevice *d, const char *f, ...) GCC_FMT_ATTR(2, 3); - -#define XEN_PT_ERR(d, _f, _a...) xen_pt_log(d, "%s: Error: "_f, __func__, ##_a) - -#ifdef XEN_PT_LOGGING_ENABLED -# define XEN_PT_LOG(d, _f, _a...) xen_pt_log(d, "%s: " _f, __func__, ##_a) -# define XEN_PT_WARN(d, _f, _a...) \ - xen_pt_log(d, "%s: Warning: "_f, __func__, ##_a) -#else -# define XEN_PT_LOG(d, _f, _a...) -# define XEN_PT_WARN(d, _f, _a...) -#endif - -#ifdef XEN_PT_DEBUG_PCI_CONFIG_ACCESS -# define XEN_PT_LOG_CONFIG(d, addr, val, len) \ - xen_pt_log(d, "%s: address=0x%04x val=0x%08x len=%d\n", \ - __func__, addr, val, len) -#else -# define XEN_PT_LOG_CONFIG(d, addr, val, len) -#endif - - -/* Helper */ -#define XEN_PFN(x) ((x) >> XC_PAGE_SHIFT) - -typedef const struct XenPTRegInfo XenPTRegInfo; -typedef struct XenPTReg XenPTReg; - -typedef struct XenPCIPassthroughState XenPCIPassthroughState; - -#define TYPE_XEN_PT_DEVICE "xen-pci-passthrough" -#define XEN_PT_DEVICE(obj) \ - OBJECT_CHECK(XenPCIPassthroughState, (obj), TYPE_XEN_PT_DEVICE) - -uint32_t igd_read_opregion(XenPCIPassthroughState *s); -void igd_write_opregion(XenPCIPassthroughState *s, uint32_t val); - -/* function type for config reg */ -typedef int (*xen_pt_conf_reg_init) - (XenPCIPassthroughState *, XenPTRegInfo *, uint32_t real_offset, - uint32_t *data); -typedef int (*xen_pt_conf_dword_write) - (XenPCIPassthroughState *, XenPTReg *cfg_entry, - uint32_t *val, uint32_t dev_value, uint32_t valid_mask); -typedef int (*xen_pt_conf_word_write) - (XenPCIPassthroughState *, XenPTReg *cfg_entry, - uint16_t *val, uint16_t dev_value, uint16_t valid_mask); -typedef int (*xen_pt_conf_byte_write) - (XenPCIPassthroughState *, XenPTReg *cfg_entry, - uint8_t *val, uint8_t dev_value, uint8_t valid_mask); -typedef int (*xen_pt_conf_dword_read) - (XenPCIPassthroughState *, XenPTReg *cfg_entry, - uint32_t *val, uint32_t valid_mask); -typedef int (*xen_pt_conf_word_read) - (XenPCIPassthroughState *, XenPTReg *cfg_entry, - uint16_t *val, uint16_t valid_mask); -typedef int (*xen_pt_conf_byte_read) - (XenPCIPassthroughState *, XenPTReg *cfg_entry, - uint8_t *val, uint8_t valid_mask); - -#define XEN_PT_BAR_ALLF 0xFFFFFFFF -#define XEN_PT_BAR_UNMAPPED (-1) - -#define XEN_PCI_CAP_MAX 48 - -#define XEN_PCI_INTEL_OPREGION 0xfc - -typedef enum { - XEN_PT_GRP_TYPE_HARDWIRED = 0, /* 0 Hardwired reg group */ - XEN_PT_GRP_TYPE_EMU, /* emul reg group */ -} XenPTRegisterGroupType; - -typedef enum { - XEN_PT_BAR_FLAG_MEM = 0, /* Memory type BAR */ - XEN_PT_BAR_FLAG_IO, /* I/O type BAR */ - XEN_PT_BAR_FLAG_UPPER, /* upper 64bit BAR */ - XEN_PT_BAR_FLAG_UNUSED, /* unused BAR */ -} XenPTBarFlag; - - -typedef struct XenPTRegion { - /* BAR flag */ - XenPTBarFlag bar_flag; - /* Translation of the emulated address */ - union { - uint64_t maddr; - uint64_t pio_base; - uint64_t u; - } access; -} XenPTRegion; - -/* XenPTRegInfo declaration - * - only for emulated register (either a part or whole bit). - * - for passthrough register that need special behavior (like interacting with - * other component), set emu_mask to all 0 and specify r/w func properly. - * - do NOT use ALL F for init_val, otherwise the tbl will not be registered. - */ - -/* emulated register information */ -struct XenPTRegInfo { - uint32_t offset; - uint32_t size; - uint32_t init_val; - /* reg reserved field mask (ON:reserved, OFF:defined) */ - uint32_t res_mask; - /* reg read only field mask (ON:RO/ROS, OFF:other) */ - uint32_t ro_mask; - /* reg read/write-1-clear field mask (ON:RW1C/RW1CS, OFF:other) */ - uint32_t rw1c_mask; - /* reg emulate field mask (ON:emu, OFF:passthrough) */ - uint32_t emu_mask; - xen_pt_conf_reg_init init; - /* read/write function pointer - * for double_word/word/byte size */ - union { - struct { - xen_pt_conf_dword_write write; - xen_pt_conf_dword_read read; - } dw; - struct { - xen_pt_conf_word_write write; - xen_pt_conf_word_read read; - } w; - struct { - xen_pt_conf_byte_write write; - xen_pt_conf_byte_read read; - } b; - } u; -}; - -/* emulated register management */ -struct XenPTReg { - QLIST_ENTRY(XenPTReg) entries; - XenPTRegInfo *reg; - union { - uint8_t *byte; - uint16_t *half_word; - uint32_t *word; - } ptr; /* pointer to dev.config. */ -}; - -typedef const struct XenPTRegGroupInfo XenPTRegGroupInfo; - -/* emul reg group size initialize method */ -typedef int (*xen_pt_reg_size_init_fn) - (XenPCIPassthroughState *, XenPTRegGroupInfo *, - uint32_t base_offset, uint8_t *size); - -/* emulated register group information */ -struct XenPTRegGroupInfo { - uint8_t grp_id; - XenPTRegisterGroupType grp_type; - uint8_t grp_size; - xen_pt_reg_size_init_fn size_init; - XenPTRegInfo *emu_regs; -}; - -/* emul register group management table */ -typedef struct XenPTRegGroup { - QLIST_ENTRY(XenPTRegGroup) entries; - XenPTRegGroupInfo *reg_grp; - uint32_t base_offset; - uint8_t size; - QLIST_HEAD(, XenPTReg) reg_tbl_list; -} XenPTRegGroup; - - -#define XEN_PT_UNASSIGNED_PIRQ (-1) -typedef struct XenPTMSI { - uint16_t flags; - uint32_t addr_lo; /* guest message address */ - uint32_t addr_hi; /* guest message upper address */ - uint16_t data; /* guest message data */ - uint32_t ctrl_offset; /* saved control offset */ - int pirq; /* guest pirq corresponding */ - bool initialized; /* when guest MSI is initialized */ - bool mapped; /* when pirq is mapped */ -} XenPTMSI; - -typedef struct XenPTMSIXEntry { - int pirq; - uint64_t addr; - uint32_t data; - uint32_t latch[4]; - bool updated; /* indicate whether MSI ADDR or DATA is updated */ -} XenPTMSIXEntry; -typedef struct XenPTMSIX { - uint32_t ctrl_offset; - bool enabled; - bool maskall; - int total_entries; - int bar_index; - uint64_t table_base; - uint32_t table_offset_adjust; /* page align mmap */ - uint64_t mmio_base_addr; - MemoryRegion mmio; - void *phys_iomem_base; - XenPTMSIXEntry msix_entry[0]; -} XenPTMSIX; - -struct XenPCIPassthroughState { - PCIDevice dev; - - PCIHostDeviceAddress hostaddr; - bool is_virtfn; - bool permissive; - bool permissive_warned; - XenHostPCIDevice real_device; - XenPTRegion bases[PCI_NUM_REGIONS]; /* Access regions */ - QLIST_HEAD(, XenPTRegGroup) reg_grps; - - uint32_t machine_irq; - - XenPTMSI *msi; - XenPTMSIX *msix; - - MemoryRegion bar[PCI_NUM_REGIONS - 1]; - MemoryRegion rom; - - MemoryListener memory_listener; - MemoryListener io_listener; - bool listener_set; -}; - -void xen_pt_config_init(XenPCIPassthroughState *s, Error **errp); -void xen_pt_config_delete(XenPCIPassthroughState *s); -XenPTRegGroup *xen_pt_find_reg_grp(XenPCIPassthroughState *s, uint32_t address); -XenPTReg *xen_pt_find_reg(XenPTRegGroup *reg_grp, uint32_t address); -int xen_pt_bar_offset_to_index(uint32_t offset); - -static inline pcibus_t xen_pt_get_emul_size(XenPTBarFlag flag, pcibus_t r_size) -{ - /* align resource size (memory type only) */ - if (flag == XEN_PT_BAR_FLAG_MEM) { - return (r_size + XC_PAGE_SIZE - 1) & XC_PAGE_MASK; - } else { - return r_size; - } -} - -/* INTx */ -/* The PCI Local Bus Specification, Rev. 3.0, - * Section 6.2.4 Miscellaneous Registers, pp 223 - * outlines 5 valid values for the interrupt pin (intx). - * 0: For devices (or device functions) that don't use an interrupt in - * 1: INTA# - * 2: INTB# - * 3: INTC# - * 4: INTD# - * - * Xen uses the following 4 values for intx - * 0: INTA# - * 1: INTB# - * 2: INTC# - * 3: INTD# - * - * Observing that these list of values are not the same, xen_pt_pci_read_intx() - * uses the following mapping from hw to xen values. - * This seems to reflect the current usage within Xen. - * - * PCI hardware | Xen | Notes - * ----------------+-----+---------------------------------------------------- - * 0 | 0 | No interrupt - * 1 | 0 | INTA# - * 2 | 1 | INTB# - * 3 | 2 | INTC# - * 4 | 3 | INTD# - * any other value | 0 | This should never happen, log error message - */ - -static inline uint8_t xen_pt_pci_read_intx(XenPCIPassthroughState *s) -{ - uint8_t v = 0; - xen_host_pci_get_byte(&s->real_device, PCI_INTERRUPT_PIN, &v); - return v; -} - -static inline uint8_t xen_pt_pci_intx(XenPCIPassthroughState *s) -{ - uint8_t r_val = xen_pt_pci_read_intx(s); - - XEN_PT_LOG(&s->dev, "intx=%i\n", r_val); - if (r_val < 1 || r_val > 4) { - XEN_PT_LOG(&s->dev, "Interrupt pin read from hardware is out of range:" - " value=%i, acceptable range is 1 - 4\n", r_val); - r_val = 0; - } else { - /* Note that if s.real_device.config_fd is closed we make 0xff. */ - r_val -= 1; - } - - return r_val; -} - -/* MSI/MSI-X */ -int xen_pt_msi_setup(XenPCIPassthroughState *s); -int xen_pt_msi_update(XenPCIPassthroughState *d); -void xen_pt_msi_disable(XenPCIPassthroughState *s); - -int xen_pt_msix_init(XenPCIPassthroughState *s, uint32_t base); -void xen_pt_msix_delete(XenPCIPassthroughState *s); -void xen_pt_msix_unmap(XenPCIPassthroughState *s); -int xen_pt_msix_update(XenPCIPassthroughState *s); -int xen_pt_msix_update_remap(XenPCIPassthroughState *s, int bar_index); -void xen_pt_msix_disable(XenPCIPassthroughState *s); - -static inline bool xen_pt_has_msix_mapping(XenPCIPassthroughState *s, int bar) -{ - return s->msix && s->msix->bar_index == bar; -} - -extern void *pci_assign_dev_load_option_rom(PCIDevice *dev, - struct Object *owner, int *size, - unsigned int domain, - unsigned int bus, unsigned int slot, - unsigned int function); -extern bool has_igd_gfx_passthru; -static inline bool is_igd_vga_passthrough(XenHostPCIDevice *dev) -{ - return (has_igd_gfx_passthru - && ((dev->class_code >> 0x8) == PCI_CLASS_DISPLAY_VGA)); -} -int xen_pt_register_vga_regions(XenHostPCIDevice *dev); -int xen_pt_unregister_vga_regions(XenHostPCIDevice *dev); -void xen_pt_setup_vga(XenPCIPassthroughState *s, XenHostPCIDevice *dev, - Error **errp); -#endif /* !XEN_PT_H */ |