X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fgeneric.c;h=bf27ca0dbbac7cf7b24327d27abbbf227559aa9b;hb=f4b430cdef58c5d13260c57f46a077c07c72864e;hp=b16dd075d6d78ccffbcff97de3e5590b309d19cd;hpb=75d9c52b3ee8673c9f358b7815d2026da5319ca7;p=palacios.git diff --git a/palacios/src/devices/generic.c b/palacios/src/devices/generic.c index b16dd07..bf27ca0 100644 --- a/palacios/src/devices/generic.c +++ b/palacios/src/devices/generic.c @@ -5,7 +5,7 @@ #include #include #include -#include +#include @@ -19,13 +19,36 @@ #define MEM_HOOKS 0 // not yet implmented in device model #define IRQ_HOOKS 0 // not yet implemented in device model + struct generic_internal { - generic_port_range_type *port_ranges; - uint_t num_port_ranges; - generic_address_range_type *address_ranges; - uint_t num_address_ranges; - generic_irq_range_type *irq_ranges; - uint_t num_irq_ranges; + struct list_head port_range; + uint_t num_port_ranges; + struct list_head mem_range; + uint_t num_mem_ranges; + struct list_head irq_range; + uint_t num_irq_ranges; +}; + + +struct port_range { + uint_t start; + uint_t end; + uint_t type; + struct list_head range_list; +}; + +struct mem_range { + void * start; + void * end; + uint_t type; + struct list_head range_list; +}; + +struct irq_range { + uint_t start; + uint_t end; + uint_t type; + struct list_head range_list; }; @@ -42,14 +65,14 @@ int generic_reset_device(struct vm_device * dev) -int generic_start_device(struct vm_device *dev) +int generic_start_device(struct vm_device * dev) { PrintDebug("generic: start device\n"); return 0; } -int generic_stop_device(struct vm_device *dev) +int generic_stop_device(struct vm_device * dev) { PrintDebug("generic: stop device\n"); return 0; @@ -76,17 +99,19 @@ int generic_write_port_passthrough(ushort_t port, switch (length) { case 1: - Out_Byte(port,((uchar_t*)src)[0]); + + v3_outb(port,((uchar_t*)src)[0]); break; case 2: - Out_Word(port,((ushort_t*)src)[0]); + v3_outw(port,((ushort_t*)src)[0]); break; case 4: - Out_DWord(port,((uint_t*)src)[0]); + v3_outdw(port,((uint_t*)src)[0]); + break; default: for (i = 0; i < length; i++) { - Out_Byte(port, ((uchar_t*)src)[i]); + v3_outb(port, ((uchar_t*)src)[i]); } } //switch length @@ -108,17 +133,17 @@ int generic_read_port_passthrough(ushort_t port, switch (length) { case 1: - ((uchar_t*)src)[0] = In_Byte(port); + ((uchar_t*)src)[0] = v3_inb(port); break; case 2: - ((ushort_t*)src)[0] = In_Word(port); + ((ushort_t*)src)[0] = v3_inw(port); break; case 4: - ((uint_t*)src)[0] = In_DWord(port); + ((uint_t*)src)[0] = v3_indw(port); break; default: for (i = 0; i < length; i++) { - ((uchar_t*)src)[i] = In_Byte(port); + ((uchar_t*)src)[i] = v3_inb(port); } }//switch length @@ -146,9 +171,7 @@ int generic_write_port_ignore(ushort_t port, PrintDebug("%x", ((uchar_t*)src)[i]); } - PrintDebug(" to port 0x%x ... ", port); - - PrintDebug(" ignored\n"); + PrintDebug(" to port 0x%x ... ignored\n", port); return length; } @@ -161,7 +184,7 @@ int generic_read_port_ignore(ushort_t port, PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port); - memset((char*)src,0,length); + memset((char*)src, 0, length); PrintDebug(" ignored (return zeroed buffer)\n"); return length; @@ -169,134 +192,176 @@ int generic_read_port_ignore(ushort_t port, -int generic_interrupt(uint_t irq, - struct vm_device * dev) -{ +int generic_interrupt(uint_t irq, struct vm_device * dev) { PrintDebug("generic: interrupt 0x%x - injecting into VM\n", irq); dev->vm->vm_ops.raise_irq(dev->vm, irq); return 0; - } -int generic_init_device(struct vm_device * dev) -{ - struct generic_internal *state = (struct generic_internal *)(dev->private_data); - uint_t i, j; +int generic_init_device(struct vm_device * dev) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); PrintDebug("generic: init_device\n"); - - // Would read state here - generic_reset_device(dev); - for (i = 0; i < state->num_port_ranges; i++) { - PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n", state->port_ranges[i][0], state->port_ranges[i][1], state->port_ranges[i][2]==GENERIC_PRINT_AND_PASSTHROUGH ? "print-and-passthrough" : "print-and-ignore"); -#if PORT_HOOKS - for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) { - if (state->port_ranges[i][2]==GENERIC_PRINT_AND_PASSTHROUGH) { - if (dev_hook_io(dev, j, &generic_read_port_passthrough, &generic_write_port_passthrough)) { - PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j); - } - } else if (state->port_ranges[i][2]==GENERIC_PRINT_AND_IGNORE) { - if (dev_hook_io(dev, j, &generic_read_port_ignore, &generic_write_port_ignore)) { - PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j); - } - } + if (PORT_HOOKS) { // This is a runtime conditional on a #define + struct port_range * tmp; + + list_for_each_entry(tmp, &(state->port_range), range_list) { + uint_t i = 0; + + PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n", + tmp->start, tmp->end, + (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore"); + + for (i = tmp->start; i <= tmp->end; i++) { + if (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) { + + if (dev_hook_io(dev, i, &generic_read_port_passthrough, &generic_write_port_passthrough)) { + PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i); + } + + } else if (tmp->type == GENERIC_PRINT_AND_IGNORE) { + + if (dev_hook_io(dev, i, &generic_read_port_ignore, &generic_write_port_ignore)) { + PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i); + } + } + } + } -#else + } else { PrintDebug("generic: hooking ports not supported\n"); -#endif - } - for (i = 0; i < state->num_address_ranges; i++) { - PrintDebug("generic: hooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]); -#if MEM_HOOKS - if (dev_hook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) { - PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n", - state->address_ranges[i][0], state->address_ranges[i][1]); + + if (MEM_HOOKS) { // This is a runtime conditional on a #define + struct mem_range * tmp; + + list_for_each_entry(tmp, &(state->mem_range), range_list) { + + PrintDebug("generic: hooking addresses 0x%x to 0x%x\n", + tmp->start, tmp->end); + + + if (dev_hook_mem(dev, tmp->start, tmp->end)) { + PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n", + tmp->start, tmp->end); + } } -#else + } else { PrintDebug("generic: hooking addresses not supported\n"); -#endif - } - for (i = 0; i < state->num_irq_ranges; i++) { - PrintDebug("generic: hooking irqs 0x%x to 0x%x\n",state->irq_ranges[i][0],state->irq_ranges[i][1]); -#if IRQ_HOOKS - for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) { - if (dev_hook_irq(dev, j, &generic_interrupt)) { - PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", j); + + + if (IRQ_HOOKS) { // This is a runtime conditional on a #define + struct irq_range * tmp; + + list_for_each_entry(tmp, &(state->irq_range), range_list) { + uint_t i; + + PrintDebug("generic: hooking irqs 0x%x to 0x%x\n", + tmp->start, tmp->end); + + for (i = tmp->start; i <= tmp->end; i++) { + if (dev_hook_irq(dev, i, &generic_interrupt)) { + PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", i); + } } + } -#else + } else { PrintDebug("generic: hooking irqs not supported\n"); -#endif - } + + return 0; } -int generic_deinit_device(struct vm_device *dev) -{ - struct generic_internal *state = (struct generic_internal *)(dev->private_data); - uint_t i, j; +int generic_deinit_device(struct vm_device * dev) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); + PrintDebug("generic: deinit_device\n"); - for (i = 0; i < state->num_irq_ranges; i++) { - PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n", state->irq_ranges[i][0], state->irq_ranges[i][1]); + if (IRQ_HOOKS) { // This is a runtime conditional on a #define + struct irq_range * tmp; + struct irq_range * cur; + + list_for_each_entry_safe(cur, tmp, &(state->irq_range), range_list) { + uint_t i; + + PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n", + cur->start, cur->end); + -#if IRQ_HOOKS - for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) { - if (dev_unhook_irq(dev, j)) { - PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n",j); + for (i = cur->start; i <= cur->end; i++) { + if (dev_unhook_irq(dev, i)) { + PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n", i); + } } + + V3_Free(cur); } -#else + } else { PrintDebug("generic: unhooking irqs not supported\n"); -#endif - } - for (i = 0; i < state->num_address_ranges; i++) { - PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]); -#if MEM_HOOKS - if (dev_unhook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) { - PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n", - state->address_ranges[i][0], state->address_ranges[i][1]); + if (MEM_HOOKS) { + struct mem_range * tmp; + struct mem_range * cur; + + list_for_each_entry_safe(cur, tmp, &(state->mem_range), range_list) { + + PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n", + cur->start, cur->end); + + if (dev_unhook_mem(dev, cur->start, cur->end)) { + PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n", + cur->start, cur->end); + } + + V3_Free(cur); } -#else + } else { PrintDebug("generic: unhooking addresses not supported\n"); -#endif - } + - for (i = 0; i < state->num_port_ranges; i++) { - PrintDebug("generic: unhooking ports 0x%x to 0x%x\n",state->port_ranges[i][0],state->port_ranges[i][1]); - -#if PORT_HOOKS - for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) { - if (dev_unhook_io(dev, j)) { - PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", j); + if (PORT_HOOKS) { + struct port_range * tmp; + struct port_range * cur; + + list_for_each_entry_safe(cur, tmp, &(state->mem_range), range_list) { + uint_t i; + + PrintDebug("generic: unhooking ports 0x%x to 0x%x\n", + cur->start, cur->end); + + for (i = cur->start; i <= cur->end; i++) { + if (dev_unhook_io(dev, i)) { + PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", i); + } } + + V3_Free(cur); } -#else + } else { PrintDebug("generic: unhooking ports not supported\n"); -#endif - } + + generic_reset_device(dev); return 0; } @@ -316,70 +381,81 @@ static struct vm_device_ops dev_ops = { -struct vm_device *create_generic(generic_port_range_type port_ranges[], - generic_address_range_type address_ranges[], - generic_irq_range_type irq_ranges[]) -{ - struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal)); - int i; - uint_t num_port_ranges, num_address_ranges, num_irq_ranges; - - num_port_ranges=0; - if (port_ranges!=NULL) { - i=0; - while (port_ranges[i]!=NULL && - !(port_ranges[i][0]==0 && port_ranges[i][1]==0 && port_ranges[i][2]==0)) - { num_port_ranges++; i++; } - } +int v3_generic_add_port_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) { - - num_address_ranges=0; - if (address_ranges!=NULL) { - i=0; - while (address_ranges[i]!=NULL && - !(address_ranges[i][0]==0 && address_ranges[i][1]==0 && address_ranges[i][2]==0)) - { num_address_ranges++; i++; } - } + if (PORT_HOOKS) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); - num_irq_ranges=0; - if (irq_ranges!=NULL) { - i=0; - while (irq_ranges[i]!=NULL && - !(irq_ranges[i][0]==0 && irq_ranges[i][1]==0 && irq_ranges[i][2]==0) ) - { num_irq_ranges++; i++; } - } + struct port_range * range = (struct port_range *)V3_Malloc(sizeof(struct port_range)); + range->start = start; + range->end = end; + range->type = type; - - generic_state->num_port_ranges = num_port_ranges; - - if (num_port_ranges > 0) { - generic_state->port_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_port_ranges); - memcpy(generic_state->port_ranges, port_ranges, sizeof(generic_port_range_type) * num_port_ranges); + list_add(&(state->port_range), &(range->range_list)); + state->num_port_ranges++; } else { - generic_state->port_ranges = NULL; + PrintDebug("generic: hooking IO ports not supported\n"); + return -1; } + return 0; +} - generic_state->num_address_ranges = num_address_ranges; +int v3_generic_add_mem_range(struct vm_device * dev, void * start, void * end, uint_t type) { - if (num_address_ranges > 0) { - generic_state->address_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_address_ranges); - memcpy(generic_state->address_ranges, address_ranges, sizeof(generic_address_range_type) * num_address_ranges); + if (MEM_HOOKS) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); + + struct mem_range * range = (struct mem_range *)V3_Malloc(sizeof(struct mem_range)); + range->start = start; + range->end = end; + range->type = type; + + list_add(&(state->port_range), &(range->range_list)); + state->num_mem_ranges++; } else { - generic_state->address_ranges = NULL; + PrintDebug("generic: hooking memory not supported\n"); + return -1; } + return 0; +} + - generic_state->num_irq_ranges = num_irq_ranges; +int v3_generic_add_irq_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) { - if (num_irq_ranges > 0) { - generic_state->irq_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_irq_ranges); - memcpy(generic_state->irq_ranges, irq_ranges, sizeof(generic_irq_range_type) * num_port_ranges); + if (IRQ_HOOKS) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); + + struct irq_range * range = (struct irq_range *)V3_Malloc(sizeof(struct irq_range)); + range->start = start; + range->end = end; + range->type = type; + + list_add(&(state->port_range), &(range->range_list)); + state->num_irq_ranges++; } else { - generic_state->irq_ranges = NULL; + PrintDebug("generic: hooking IRQs not supported\n"); + return -1; } - struct vm_device *device = create_device("GENERIC", &dev_ops, generic_state); + return 0; +} + + + +struct vm_device *create_generic() { + struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal)); + + generic_state->num_port_ranges = 0; + generic_state->num_mem_ranges = 0; + generic_state->num_irq_ranges = 0; + + INIT_LIST_HEAD(&(generic_state->port_range)); + INIT_LIST_HEAD(&(generic_state->mem_range)); + INIT_LIST_HEAD(&(generic_state->irq_range)); + + struct vm_device * device = create_device("GENERIC", &dev_ops, generic_state); return device; }