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northbridge/amd/amdk8: transition away from device_t 

Replace the use of the old device_t definition inside
northbridge/amd/amdk8.

Change-Id: I5209dd309f0685f83d8a468c50309d5fda77973a
Signed-off-by: Antonello Dettori <dev@dettori.io>
Reviewed-on: https://review.coreboot.org/16467
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Antonello Dettori 2016-09-03 10:45:33 +02:00 committed by Martin Roth
parent f65ccb2cd6
commit 0501ece181
12 changed files with 57 additions and 48 deletions
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2
src/northbridge/amd/amdk8/amdk8.h
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@ -12,7 +12,7 @@
#endif #endif
#ifdef __PRE_RAM__ #ifdef __PRE_RAM__
void showallroutes(int level, device_t dev); void showallroutes(int level, pci_devfn_t dev);
void setup_resource_map_offset(const unsigned int *register_values, int max, unsigned offset_pci_dev, unsigned offset_io_base); void setup_resource_map_offset(const unsigned int *register_values, int max, unsigned offset_pci_dev, unsigned offset_io_base);
void fill_mem_ctrl(int controllers, struct mem_controller *ctrl_a, const uint16_t *spd_addr); void fill_mem_ctrl(int controllers, struct mem_controller *ctrl_a, const uint16_t *spd_addr);
#endif #endif

11
src/northbridge/amd/amdk8/coherent_ht.c
View File

@ -265,7 +265,7 @@ static int verify_connection(u8 dest)
return 1; return 1;
} }
static uint16_t read_freq_cap(device_t dev, uint8_t pos) static uint16_t read_freq_cap(pci_devfn_t dev, uint8_t pos)
{ {
/* Handle bugs in valid hypertransport frequency reporting */ /* Handle bugs in valid hypertransport frequency reporting */
uint16_t freq_cap; uint16_t freq_cap;
@ -293,7 +293,8 @@ static uint16_t read_freq_cap(device_t dev, uint8_t pos)
return freq_cap; return freq_cap;
} }
static int optimize_connection(device_t node1, uint8_t link1, device_t node2, uint8_t link2) static int optimize_connection(pci_devfn_t node1, uint8_t link1,
pci_devfn_t node2, uint8_t link2)
{ {
static const uint8_t link_width_to_pow2[]= { 3, 4, 0, 5, 1, 2, 0, 0 }; static const uint8_t link_width_to_pow2[]= { 3, 4, 0, 5, 1, 2, 0, 0 };
static const uint8_t pow2_to_link_width[] = { 0x7, 4, 5, 0, 1, 3 }; static const uint8_t pow2_to_link_width[] = { 0x7, 4, 5, 0, 1, 3 };
@ -1608,7 +1609,7 @@ static void coherent_ht_finalize(unsigned nodes)
rev_a0 = is_cpu_rev_a0(); rev_a0 = is_cpu_rev_a0();
#endif #endif
for (node = 0; node < nodes; node++) { for (node = 0; node < nodes; node++) {
device_t dev; pci_devfn_t dev;
uint32_t val; uint32_t val;
dev = NODE_HT(node); dev = NODE_HT(node);
@ -1652,7 +1653,7 @@ static int apply_cpu_errata_fixes(unsigned nodes)
unsigned node; unsigned node;
int needs_reset = 0; int needs_reset = 0;
for (node = 0; node < nodes; node++) { for (node = 0; node < nodes; node++) {
device_t dev; pci_devfn_t dev;
uint32_t cmd; uint32_t cmd;
dev = NODE_MC(node); dev = NODE_MC(node);
#if !CONFIG_K8_REV_F_SUPPORT #if !CONFIG_K8_REV_F_SUPPORT
@ -1722,7 +1723,7 @@ static int optimize_link_read_pointers(unsigned nodes)
unsigned node; unsigned node;
int needs_reset = 0; int needs_reset = 0;
for (node = 0; node < nodes; node++) { for (node = 0; node < nodes; node++) {
device_t f0_dev, f3_dev; pci_devfn_t f0_dev, f3_dev;
uint32_t cmd_ref, cmd; uint32_t cmd_ref, cmd;
int link; int link;
f0_dev = NODE_HT(node); f0_dev = NODE_HT(node);

9
src/northbridge/amd/amdk8/debug.c
View File

@ -18,7 +18,7 @@ static void print_debug_pci_dev(unsigned dev)
static inline void print_pci_devices(void) static inline void print_pci_devices(void)
{ {
device_t dev; pci_devfn_t dev;
for (dev = PCI_DEV(0, 0, 0); for (dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0xff, 0x1f, 0x7); dev <= PCI_DEV(0xff, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) { dev += PCI_DEV(0,0,1)) {
@ -58,7 +58,8 @@ static void dump_pci_device(unsigned dev)
} }
#if CONFIG_K8_REV_F_SUPPORT #if CONFIG_K8_REV_F_SUPPORT
static uint32_t pci_read_config32_index_wait(device_t dev, uint32_t index_reg, uint32_t index); static uint32_t pci_read_config32_index_wait(pci_devfn_t dev,
uint32_t index_reg, uint32_t index);
static inline void dump_pci_device_index_wait(unsigned dev, uint32_t index_reg) static inline void dump_pci_device_index_wait(unsigned dev, uint32_t index_reg)
{ {
int i; int i;
@ -82,7 +83,7 @@ static inline void dump_pci_device_index_wait(unsigned dev, uint32_t index_reg)
static inline void dump_pci_devices(void) static inline void dump_pci_devices(void)
{ {
device_t dev; pci_devfn_t dev;
for (dev = PCI_DEV(0, 0, 0); for (dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0xff, 0x1f, 0x7); dev <= PCI_DEV(0xff, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) { dev += PCI_DEV(0,0,1)) {
@ -107,7 +108,7 @@ static inline void dump_pci_devices(void)
static inline void dump_pci_devices_on_bus(unsigned busn) static inline void dump_pci_devices_on_bus(unsigned busn)
{ {
device_t dev; pci_devfn_t dev;
for (dev = PCI_DEV(busn, 0, 0); for (dev = PCI_DEV(busn, 0, 0);
dev <= PCI_DEV(busn, 0x1f, 0x7); dev <= PCI_DEV(busn, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) { dev += PCI_DEV(0,0,1)) {

4
src/northbridge/amd/amdk8/early_ht.c
View File

@ -13,7 +13,7 @@ static void enumerate_ht_chain(void)
* links needs to be programed to point at bus 0. * links needs to be programed to point at bus 0.
*/ */
unsigned next_unitid, last_unitid; unsigned next_unitid, last_unitid;
device_t dev; pci_devfn_t dev;
#if CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20 #if CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20
//let't record the device of last ht device, So we can set the Unitid to CONFIG_HT_CHAIN_END_UNITID_BASE //let't record the device of last ht device, So we can set the Unitid to CONFIG_HT_CHAIN_END_UNITID_BASE
unsigned real_last_unitid = 0; unsigned real_last_unitid = 0;
@ -61,7 +61,7 @@ static void enumerate_ht_chain(void)
if ((flags >> 13) == 0) { if ((flags >> 13) == 0) {
unsigned count; unsigned count;
unsigned ctrl, ctrl_off; unsigned ctrl, ctrl_off;
device_t devx; pci_devfn_t devx;
#if CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20 #if CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20
if (next_unitid>=0x18) { // don't get mask out by k8, at this time BSP, RT is not enabled, it will response from 0x18,0--0x1f. if (next_unitid>=0x18) { // don't get mask out by k8, at this time BSP, RT is not enabled, it will response from 0x18,0--0x1f.

4
src/northbridge/amd/amdk8/f.h
View File

@ -486,10 +486,10 @@ struct mem_info { // pernode
} __attribute__((packed)); } __attribute__((packed));
struct link_pair_st { struct link_pair_st {
device_t udev; pci_devfn_t udev;
uint32_t upos; uint32_t upos;
uint32_t uoffs; uint32_t uoffs;
device_t dev; pci_devfn_t dev;
uint32_t pos; uint32_t pos;
uint32_t offs; uint32_t offs;

12
src/northbridge/amd/amdk8/f_pci.c
View File

@ -3,7 +3,8 @@
#ifdef UNUSED_CODE #ifdef UNUSED_CODE
/* bit [10,8] are dev func, bit[1,0] are dev index */ /* bit [10,8] are dev func, bit[1,0] are dev index */
static uint32_t pci_read_config32_index(device_t dev, uint32_t index_reg, uint32_t index) static uint32_t pci_read_config32_index(pci_devfn_t dev, uint32_t index_reg,
uint32_t index)
{ {
uint32_t dword; uint32_t dword;
@ -14,7 +15,8 @@ static uint32_t pci_read_config32_index(device_t dev, uint32_t index_reg, uint32
return dword; return dword;
} }
static void pci_write_config32_index(device_t dev, uint32_t index_reg, uint32_t index, uint32_t data) static void pci_write_config32_index(pci_devfn_t dev, uint32_t index_reg,
uint32_t index, uint32_t data)
{ {
pci_write_config32(dev, index_reg, index); pci_write_config32(dev, index_reg, index);
@ -22,7 +24,8 @@ static void pci_write_config32_index(device_t dev, uint32_t index_reg, uint32_t
} }
#endif #endif
static uint32_t pci_read_config32_index_wait(device_t dev, uint32_t index_reg, uint32_t index) static uint32_t pci_read_config32_index_wait(pci_devfn_t dev,
uint32_t index_reg, uint32_t index)
{ {
uint32_t dword; uint32_t dword;
@ -38,7 +41,8 @@ static uint32_t pci_read_config32_index_wait(device_t dev, uint32_t index_reg, u
return dword; return dword;
} }
static void pci_write_config32_index_wait(device_t dev, uint32_t index_reg, uint32_t index, uint32_t data) static void pci_write_config32_index_wait(pci_devfn_t dev, uint32_t index_reg,
uint32_t index, uint32_t data)
{ {
uint32_t dword; uint32_t dword;

37
src/northbridge/amd/amdk8/incoherent_ht.c
View File

@ -18,7 +18,7 @@ static inline void print_linkn_in (const char *strval, uint8_t byteval)
printk(BIOS_DEBUG, "%s%02x\n", strval, byteval); printk(BIOS_DEBUG, "%s%02x\n", strval, byteval);
} }
static uint8_t ht_lookup_capability(device_t dev, uint16_t val) static uint8_t ht_lookup_capability(pci_devfn_t dev, uint16_t val)
{ {
uint8_t pos; uint8_t pos;
uint8_t hdr_type; uint8_t hdr_type;
@ -51,13 +51,13 @@ static uint8_t ht_lookup_capability(device_t dev, uint16_t val)
return pos; return pos;
} }
static uint8_t ht_lookup_slave_capability(device_t dev) static uint8_t ht_lookup_slave_capability(pci_devfn_t dev)
{ {
return ht_lookup_capability(dev, 0); // Slave/Primary Interface Block Format return ht_lookup_capability(dev, 0); // Slave/Primary Interface Block Format
} }
#if 0 #if 0
static uint8_t ht_lookup_host_capability(device_t dev) static uint8_t ht_lookup_host_capability(pci_devfn_t dev)
{ {
return ht_lookup_capability(dev, 1); // Host/Secondary Interface Block Format return ht_lookup_capability(dev, 1); // Host/Secondary Interface Block Format
} }
@ -65,7 +65,7 @@ static uint8_t ht_lookup_host_capability(device_t dev)
static void ht_collapse_previous_enumeration(uint8_t bus, unsigned offset_unitid) static void ht_collapse_previous_enumeration(uint8_t bus, unsigned offset_unitid)
{ {
device_t dev; pci_devfn_t dev;
//actually, only for one HT device HT chain, and unitid is 0 //actually, only for one HT device HT chain, and unitid is 0
#if !CONFIG_HT_CHAIN_UNITID_BASE #if !CONFIG_HT_CHAIN_UNITID_BASE
@ -111,7 +111,7 @@ static void ht_collapse_previous_enumeration(uint8_t bus, unsigned offset_unitid
} }
} }
static uint16_t ht_read_freq_cap(device_t dev, uint8_t pos) static uint16_t ht_read_freq_cap(pci_devfn_t dev, uint8_t pos)
{ {
/* Handle bugs in valid hypertransport frequency reporting */ /* Handle bugs in valid hypertransport frequency reporting */
uint16_t freq_cap; uint16_t freq_cap;
@ -157,7 +157,7 @@ static uint16_t ht_read_freq_cap(device_t dev, uint8_t pos)
return freq_cap; return freq_cap;
} }
static uint8_t ht_read_width_cap(device_t dev, uint8_t pos) static uint8_t ht_read_width_cap(pci_devfn_t dev, uint8_t pos)
{ {
uint8_t width_cap = pci_read_config8(dev, pos); uint8_t width_cap = pci_read_config8(dev, pos);
@ -203,8 +203,8 @@ static uint8_t ht_read_width_cap(device_t dev, uint8_t pos)
PCI_HT_CAP_SLAVE_FREQ_CAP1) PCI_HT_CAP_SLAVE_FREQ_CAP1)
static int ht_optimize_link( static int ht_optimize_link(
device_t dev1, uint8_t pos1, unsigned offs1, pci_devfn_t dev1, uint8_t pos1, unsigned offs1,
device_t dev2, uint8_t pos2, unsigned offs2) pci_devfn_t dev2, uint8_t pos2, unsigned offs2)
{ {
static const uint8_t link_width_to_pow2[]= { 3, 4, 0, 5, 1, 2, 0, 0 }; static const uint8_t link_width_to_pow2[]= { 3, 4, 0, 5, 1, 2, 0, 0 };
static const uint8_t pow2_to_link_width[] = { 0x7, 4, 5, 0, 1, 3 }; static const uint8_t pow2_to_link_width[] = { 0x7, 4, 5, 0, 1, 3 };
@ -290,9 +290,11 @@ static int ht_optimize_link(
} }
#if CONFIG_RAMINIT_SYSINFO #if CONFIG_RAMINIT_SYSINFO
static void ht_setup_chainx(device_t udev, uint8_t upos, uint8_t bus, unsigned offset_unitid, struct sys_info *sysinfo) static void ht_setup_chainx(pci_devfn_t udev, uint8_t upos, uint8_t bus,
unsigned offset_unitid, struct sys_info *sysinfo)
#else #else
static int ht_setup_chainx(device_t udev, uint8_t upos, uint8_t bus, unsigned offset_unitid) static int ht_setup_chainx(pci_devfn_t udev, uint8_t upos, uint8_t bus,
unsigned offset_unitid)
#endif #endif
{ {
//even CONFIG_HT_CHAIN_UNITID_BASE == 0, we still can go through this function, because of end_of_chain check, also We need it to optimize link //even CONFIG_HT_CHAIN_UNITID_BASE == 0, we still can go through this function, because of end_of_chain check, also We need it to optimize link
@ -348,7 +350,7 @@ static int ht_setup_chainx(device_t udev, uint8_t upos, uint8_t bus, unsigned of
} }
} while ((ctrl & (1 << 5)) == 0); } while ((ctrl & (1 << 5)) == 0);
device_t dev = PCI_DEV(bus, 0, 0); pci_devfn_t dev = PCI_DEV(bus, 0, 0);
last_unitid = next_unitid; last_unitid = next_unitid;
id = pci_read_config32(dev, PCI_VENDOR_ID); id = pci_read_config32(dev, PCI_VENDOR_ID);
@ -470,9 +472,10 @@ end_of_chain: ;
#if 0 #if 0
#if CONFIG_RAMINIT_SYSINFO #if CONFIG_RAMINIT_SYSINFO
static void ht_setup_chain(device_t udev, unsigned upos, struct sys_info *sysinfo) static void ht_setup_chain(pci_devfn_t udev, unsigned upos,
struct sys_info *sysinfo)
#else #else
static int ht_setup_chain(device_t udev, unsigned upos) static int ht_setup_chain(pci_devfn_t udev, unsigned upos)
#endif #endif
{ {
unsigned offset_unitid = 0; unsigned offset_unitid = 0;
@ -570,7 +573,7 @@ static int set_ht_link_buffer_count(uint8_t node, uint8_t linkn, uint8_t linkt,
uint32_t dword; uint32_t dword;
uint8_t link_type; uint8_t link_type;
unsigned regpos; unsigned regpos;
device_t dev; pci_devfn_t dev;
/* This works on an Athlon64 because unimplemented links return 0 */ /* This works on an Athlon64 because unimplemented links return 0 */
regpos = 0x98 + (linkn * 0x20); regpos = 0x98 + (linkn * 0x20);
@ -636,7 +639,7 @@ static int ht_setup_chains(uint8_t ht_c_num)
* links needs to be programed to point at bus 0. * links needs to be programed to point at bus 0.
*/ */
uint8_t upos; uint8_t upos;
device_t udev; pci_devfn_t udev;
uint8_t i; uint8_t i;
#if !CONFIG_RAMINIT_SYSINFO #if !CONFIG_RAMINIT_SYSINFO
@ -742,7 +745,7 @@ static int ht_setup_chains_x(void)
} }
for (nodeid=0; nodeid<nodes; nodeid++) { for (nodeid=0; nodeid<nodes; nodeid++) {
device_t dev; pci_devfn_t dev;
uint8_t linkn; uint8_t linkn;
dev = PCI_DEV(0, 0x18+nodeid,0); dev = PCI_DEV(0, 0x18+nodeid,0);
for (linkn = 0; linkn<3; linkn++) { for (linkn = 0; linkn<3; linkn++) {
@ -782,7 +785,7 @@ static int ht_setup_chains_x(void)
for (nodeid = 1; nodeid<nodes; nodeid++) { for (nodeid = 1; nodeid<nodes; nodeid++) {
int i; int i;
device_t dev; pci_devfn_t dev;
dev = PCI_DEV(0, 0x18+nodeid,1); dev = PCI_DEV(0, 0x18+nodeid,1);
for (i = 0; i< 4; i++) { for (i = 0; i< 4; i++) {
unsigned regpos; unsigned regpos;

4
src/northbridge/amd/amdk8/pre_f.h
View File

@ -240,10 +240,10 @@
//struct definitions //struct definitions
struct link_pair_st { struct link_pair_st {
device_t udev; pci_devfn_t udev;
uint32_t upos; uint32_t upos;
uint32_t uoffs; uint32_t uoffs;
device_t dev; pci_devfn_t dev;
uint32_t pos; uint32_t pos;
uint32_t offs; uint32_t offs;

8
src/northbridge/amd/amdk8/raminit.c
View File

@ -22,7 +22,7 @@ void setup_resource_map(const unsigned int *register_values, int max)
int i; int i;
// printk(BIOS_DEBUG, "setting up resource map...."); // printk(BIOS_DEBUG, "setting up resource map....");
for (i = 0; i < max; i += 3) { for (i = 0; i < max; i += 3) {
device_t dev; pci_devfn_t dev;
unsigned where; unsigned where;
unsigned long reg; unsigned long reg;
dev = register_values[i] & ~0xfff; dev = register_values[i] & ~0xfff;
@ -525,7 +525,7 @@ static void sdram_set_registers(const struct mem_controller *ctrl)
printk(BIOS_SPEW, "setting up CPU%02x northbridge registers\n", ctrl->node_id); printk(BIOS_SPEW, "setting up CPU%02x northbridge registers\n", ctrl->node_id);
max = ARRAY_SIZE(register_values); max = ARRAY_SIZE(register_values);
for (i = 0; i < max; i += 3) { for (i = 0; i < max; i += 3) {
device_t dev; pci_devfn_t dev;
unsigned where; unsigned where;
unsigned long reg; unsigned long reg;
dev = (register_values[i] & ~0xfff) - PCI_DEV(0, 0x18, 0) + ctrl->f0; dev = (register_values[i] & ~0xfff) - PCI_DEV(0, 0x18, 0) + ctrl->f0;
@ -817,7 +817,7 @@ static void route_dram_accesses(const struct mem_controller *ctrl,
unsigned base; unsigned base;
unsigned index; unsigned index;
unsigned limit_reg, base_reg; unsigned limit_reg, base_reg;
device_t device; pci_devfn_t device;
node_id = ctrl->node_id; node_id = ctrl->node_id;
index = (node_id << 3); index = (node_id << 3);
@ -2231,7 +2231,7 @@ static uint32_t hoist_memory(int controllers, const struct mem_controller *ctrl,
{ {
int ii; int ii;
uint32_t carry_over; uint32_t carry_over;
device_t dev; pci_devfn_t dev;
uint32_t base, limit; uint32_t base, limit;
uint32_t basek; uint32_t basek;
uint32_t hoist; uint32_t hoist;

2
src/northbridge/amd/amdk8/raminit.h
View File

@ -6,7 +6,7 @@
#define DIMM_SOCKETS 4 #define DIMM_SOCKETS 4
struct mem_controller { struct mem_controller {
unsigned node_id; unsigned node_id;
device_t f0, f1, f2, f3; pci_devfn_t f0, f1, f2, f3;
uint16_t channel0[DIMM_SOCKETS]; uint16_t channel0[DIMM_SOCKETS];
uint16_t channel1[DIMM_SOCKETS]; uint16_t channel1[DIMM_SOCKETS];
}; };

8
src/northbridge/amd/amdk8/raminit_f.c
View File

@ -72,7 +72,7 @@ void setup_resource_map(const unsigned int *register_values, int max)
{ {
int i; int i;
for (i = 0; i < max; i += 3) { for (i = 0; i < max; i += 3) {
device_t dev; pci_devfn_t dev;
unsigned where; unsigned where;
unsigned long reg; unsigned long reg;
dev = register_values[i] & ~0xff; dev = register_values[i] & ~0xff;
@ -688,7 +688,7 @@ index:
printk(BIOS_SPEW, "setting up CPU %02x northbridge registers\n", ctrl->node_id); printk(BIOS_SPEW, "setting up CPU %02x northbridge registers\n", ctrl->node_id);
max = ARRAY_SIZE(register_values); max = ARRAY_SIZE(register_values);
for (i = 0; i < max; i += 3) { for (i = 0; i < max; i += 3) {
device_t dev; pci_devfn_t dev;
unsigned where; unsigned where;
unsigned long reg; unsigned long reg;
dev = (register_values[i] & ~0xff) - PCI_DEV(0, 0x18, 0) + ctrl->f0; dev = (register_values[i] & ~0xff) - PCI_DEV(0, 0x18, 0) + ctrl->f0;
@ -1011,7 +1011,7 @@ static void route_dram_accesses(const struct mem_controller *ctrl,
unsigned base; unsigned base;
unsigned index; unsigned index;
unsigned limit_reg, base_reg; unsigned limit_reg, base_reg;
device_t device; pci_devfn_t device;
node_id = ctrl->node_id; node_id = ctrl->node_id;
index = (node_id << 3); index = (node_id << 3);
@ -2903,7 +2903,7 @@ static uint32_t hoist_memory(int controllers, const struct mem_controller *ctrl,
{ {
int ii; int ii;
uint32_t carry_over; uint32_t carry_over;
device_t dev; pci_devfn_t dev;
uint32_t base, limit; uint32_t base, limit;
uint32_t basek; uint32_t basek;
uint32_t hoist; uint32_t hoist;

4
src/northbridge/amd/amdk8/setup_resource_map.c
View File

@ -9,7 +9,7 @@ void setup_resource_map_offset(const unsigned int *register_values, int max, uns
printk(BIOS_DEBUG, "setting up resource map offset....\n"); printk(BIOS_DEBUG, "setting up resource map offset....\n");
#endif #endif
for (i = 0; i < max; i += 3) { for (i = 0; i < max; i += 3) {
device_t dev; pci_devfn_t dev;
unsigned where; unsigned where;
unsigned long reg = 0; unsigned long reg = 0;
#if RES_DEBUG #if RES_DEBUG
@ -58,7 +58,7 @@ static void setup_resource_map_x_offset(const unsigned int *register_values, int
switch (register_values[i]) { switch (register_values[i]) {
case RES_PCI_IO: //PCI case RES_PCI_IO: //PCI
{ {
device_t dev; pci_devfn_t dev;
unsigned where; unsigned where;
unsigned long reg = 0; unsigned long reg = 0;
dev = (register_values[i+1] & ~0xfff) + offset_pci_dev; dev = (register_values[i+1] & ~0xfff) + offset_pci_dev;