X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Fhw%2Fxen%2Fxen_pt.h;fp=qemu%2Fhw%2Fxen%2Fxen_pt.h;h=c2f8e1fc2513001026ec16f19276d1c7ec46e3e0;hb=437fd90c0250dee670290f9b714253671a990160;hp=393f36ccbf59ac201c8347314cc619152baf8434;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05;p=kvmfornfv.git

diff --git a/qemu/hw/xen/xen_pt.h b/qemu/hw/xen/xen_pt.h
index 393f36ccb..c2f8e1fc2 100644
--- a/qemu/hw/xen/xen_pt.h
+++ b/qemu/hw/xen/xen_pt.h
@@ -40,6 +40,9 @@ typedef struct XenPCIPassthroughState XenPCIPassthroughState;
 #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,
@@ -66,8 +69,9 @@ typedef int (*xen_pt_conf_byte_read)
 #define XEN_PT_BAR_ALLF 0xFFFFFFFF
 #define XEN_PT_BAR_UNMAPPED (-1)
 
-#define PCI_CAP_MAX 48
+#define XEN_PCI_CAP_MAX 48
 
+#define XEN_PCI_INTEL_OPREGION 0xfc
 
 typedef enum {
     XEN_PT_GRP_TYPE_HARDWIRED = 0,  /* 0 Hardwired reg group */
@@ -109,6 +113,8 @@ struct XenPTRegInfo {
     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;
@@ -134,7 +140,11 @@ struct XenPTRegInfo {
 struct XenPTReg {
     QLIST_ENTRY(XenPTReg) entries;
     XenPTRegInfo *reg;
-    uint32_t data; /* emulated value */
+    union {
+        uint8_t *byte;
+        uint16_t *half_word;
+        uint32_t *word;
+    } ptr; /* pointer to dev.config. */
 };
 
 typedef const struct XenPTRegGroupInfo XenPTRegGroupInfo;
@@ -179,13 +189,13 @@ typedef struct XenPTMSIXEntry {
     int pirq;
     uint64_t addr;
     uint32_t data;
-    uint32_t vector_ctrl;
+    uint32_t latch[4];
     bool updated; /* indicate whether MSI ADDR or DATA is updated */
-    bool warned;  /* avoid issuing (bogus) warning more than once */
 } XenPTMSIXEntry;
 typedef struct XenPTMSIX {
     uint32_t ctrl_offset;
     bool enabled;
+    bool maskall;
     int total_entries;
     int bar_index;
     uint64_t table_base;
@@ -217,9 +227,10 @@ struct XenPCIPassthroughState {
 
     MemoryListener memory_listener;
     MemoryListener io_listener;
+    bool listener_set;
 };
 
-int xen_pt_config_init(XenPCIPassthroughState *s);
+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);
@@ -282,6 +293,7 @@ static inline uint8_t xen_pt_pci_intx(XenPCIPassthroughState *s)
                    " 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;
     }
 
@@ -289,13 +301,13 @@ static inline uint8_t xen_pt_pci_intx(XenPCIPassthroughState *s)
 }
 
 /* MSI/MSI-X */
-int xen_pt_msi_set_enable(XenPCIPassthroughState *s, bool en);
 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);
@@ -305,5 +317,19 @@ 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 */