diff options
Diffstat (limited to 'hw/xen/xen_pt_config_init.c')
| -rw-r--r-- | hw/xen/xen_pt_config_init.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c index d99c22ef2f..95a51dbbb1 100644 --- a/hw/xen/xen_pt_config_init.c +++ b/hw/xen/xen_pt_config_init.c @@ -286,23 +286,6 @@ static int xen_pt_irqpin_reg_init(XenPCIPassthroughState *s, } /* Command register */ -static int xen_pt_cmd_reg_read(XenPCIPassthroughState *s, XenPTReg *cfg_entry, - uint16_t *value, uint16_t valid_mask) -{ - XenPTRegInfo *reg = cfg_entry->reg; - uint16_t valid_emu_mask = 0; - uint16_t emu_mask = reg->emu_mask; - - if (s->is_virtfn) { - emu_mask |= PCI_COMMAND_MEMORY; - } - - /* emulate word register */ - valid_emu_mask = emu_mask & valid_mask; - *value = XEN_PT_MERGE_VALUE(*value, cfg_entry->data, ~valid_emu_mask); - - return 0; -} static int xen_pt_cmd_reg_write(XenPCIPassthroughState *s, XenPTReg *cfg_entry, uint16_t *val, uint16_t dev_value, uint16_t valid_mask) @@ -310,18 +293,13 @@ static int xen_pt_cmd_reg_write(XenPCIPassthroughState *s, XenPTReg *cfg_entry, XenPTRegInfo *reg = cfg_entry->reg; uint16_t writable_mask = 0; uint16_t throughable_mask = 0; - uint16_t emu_mask = reg->emu_mask; - - if (s->is_virtfn) { - emu_mask |= PCI_COMMAND_MEMORY; - } /* modify emulate register */ writable_mask = ~reg->ro_mask & valid_mask; cfg_entry->data = XEN_PT_MERGE_VALUE(*val, cfg_entry->data, writable_mask); /* create value for writing to I/O device register */ - throughable_mask = ~emu_mask & valid_mask; + throughable_mask = ~reg->emu_mask & valid_mask; if (*val & PCI_COMMAND_INTX_DISABLE) { throughable_mask |= PCI_COMMAND_INTX_DISABLE; @@ -603,9 +581,9 @@ static XenPTRegInfo xen_pt_emu_reg_header0[] = { .size = 2, .init_val = 0x0000, .ro_mask = 0xF880, - .emu_mask = 0x0740, + .emu_mask = 0x0743, .init = xen_pt_common_reg_init, - .u.w.read = xen_pt_cmd_reg_read, + .u.w.read = xen_pt_word_reg_read, .u.w.write = xen_pt_cmd_reg_write, }, /* Capabilities Pointer reg */ |