Now that we have some common OF PCI definitions in of_pci.h, make use
of them when generating the devicetree for spapr_pci on ppc.
Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
---
tools/kvm/powerpc/spapr_pci.c | 114 ++++++++++++++++++------------------------
1 file changed, 48 insertions(+), 66 deletions(-)
diff --git a/tools/kvm/powerpc/spapr_pci.c b/tools/kvm/powerpc/spapr_pci.c
index ed4b9ab52a7c..768e3f2df648 100644
--- a/tools/kvm/powerpc/spapr_pci.c
+++ b/tools/kvm/powerpc/spapr_pci.c
@@ -18,6 +18,7 @@
#include "kvm/devices.h"
#include "kvm/fdt.h"
#include "kvm/util.h"
+#include "kvm/of_pci.h"
#include "kvm/pci.h"
#include <linux/pci_regs.h>
@@ -42,26 +43,8 @@ static const uint32_t bars[] = {
#define PCI_NUM_REGIONS 7
-/* Macros to operate with address in OF binding to PCI */
-#define b_x(x, p, l) (((x) & ((1<<(l))-1)) << (p))
-#define b_n(x) b_x((x), 31, 1) /* 0 if relocatable */
-#define b_p(x) b_x((x), 30, 1) /* 1 if prefetchable */
-#define b_t(x) b_x((x), 29, 1) /* 1 if the address is aliased */
-#define b_ss(x) b_x((x), 24, 2) /* the space code */
-#define b_bbbbbbbb(x) b_x((x), 16, 8) /* bus number */
-#define b_ddddd(x) b_x((x), 11, 5) /* device number */
-#define b_fff(x) b_x((x), 8, 3) /* function number */
-#define b_rrrrrrrr(x) b_x((x), 0, 8) /* register number */
-
-#define SS_M64 3
-#define SS_M32 2
-#define SS_IO 1
-#define SS_CONFIG 0
-
-
static struct spapr_phb phb;
-
static void rtas_ibm_read_pci_config(struct kvm_cpu *vcpu,
uint32_t token, uint32_t nargs,
target_ulong args,
@@ -228,11 +211,11 @@ static uint32_t bar_to_ss(unsigned long bar)
{
if ((bar & PCI_BASE_ADDRESS_SPACE) ==
PCI_BASE_ADDRESS_SPACE_IO)
- return SS_IO;
+ return OF_PCI_SS_IO;
else if (bar & PCI_BASE_ADDRESS_MEM_TYPE_64)
- return SS_M64;
+ return OF_PCI_SS_M64;
else
- return SS_M32;
+ return OF_PCI_SS_M32;
}
static unsigned long bar_to_addr(unsigned long bar)
@@ -251,33 +234,32 @@ int spapr_populate_pci_devices(struct kvm *kvm,
int bus_off, node_off = 0, devid, fn, i, n, devices;
struct device_header *dev_hdr;
char nodename[256];
- struct {
- uint32_t hi;
- uint64_t addr;
- uint64_t size;
- } __attribute__((packed)) reg[PCI_NUM_REGIONS + 1],
- assigned_addresses[PCI_NUM_REGIONS];
+ struct of_pci_unit_address reg[PCI_NUM_REGIONS + 1],
+ assigned_addresses[PCI_NUM_REGIONS];
uint32_t bus_range[] = { cpu_to_be32(0), cpu_to_be32(0xff) };
- struct {
- uint32_t hi;
- uint64_t child;
- uint64_t parent;
- uint64_t size;
- } __attribute__((packed)) ranges[] = {
+ struct of_pci_ranges_entry ranges[] = {
{
- cpu_to_be32(b_ss(1)), cpu_to_be64(0),
+ {
+ cpu_to_be32(of_pci_b_ss(1)),
+ cpu_to_be32(0),
+ cpu_to_be32(0),
+ },
cpu_to_be64(phb.io_addr),
cpu_to_be64(phb.io_size),
},
{
- cpu_to_be32(b_ss(2)), cpu_to_be64(0),
+ {
+ cpu_to_be32(of_pci_b_ss(2)),
+ cpu_to_be32(0),
+ cpu_to_be32(0),
+ },
cpu_to_be64(phb.mem_addr),
cpu_to_be64(phb.mem_size),
},
};
uint64_t bus_reg[] = { cpu_to_be64(phb.buid), 0 };
uint32_t interrupt_map_mask[] = {
- cpu_to_be32(b_ddddd(-1)|b_fff(-1)), 0x0, 0x0, 0x0};
+ cpu_to_be32(of_pci_b_ddddd(-1)|of_pci_b_fff(-1)), 0x0, 0x0, 0x0};
uint32_t interrupt_map[SPAPR_PCI_NUM_LSI][7];
/* Start populating the FDT */
@@ -321,7 +303,7 @@ int spapr_populate_pci_devices(struct kvm *kvm,
die("Unexpected behaviour in spapr_populate_pci_devices,"
"wrong devid %u\n", devid);
}
- irqmap[0] = cpu_to_be32(b_ddddd(devid)|b_fff(fn));
+ irqmap[0] = cpu_to_be32(of_pci_b_ddddd(devid)|of_pci_b_fff(fn));
irqmap[1] = 0;
irqmap[2] = 0;
irqmap[3] = 0;
@@ -358,15 +340,15 @@ int spapr_populate_pci_devices(struct kvm *kvm,
/* Config space region comes first */
reg[0].hi = cpu_to_be32(
- b_n(0) |
- b_p(0) |
- b_t(0) |
- b_ss(SS_CONFIG) |
- b_bbbbbbbb(0) |
- b_ddddd(devid) |
- b_fff(fn));
- reg[0].addr = 0;
- reg[0].size = 0;
+ of_pci_b_n(0) |
+ of_pci_b_p(0) |
+ of_pci_b_t(0) |
+ of_pci_b_ss(OF_PCI_SS_CONFIG) |
+ of_pci_b_bbbbbbbb(0) |
+ of_pci_b_ddddd(devid) |
+ of_pci_b_fff(fn));
+ reg[0].mid = 0;
+ reg[0].lo = 0;
n = 0;
/* Six BARs, no ROM supported, addresses are 32bit */
@@ -376,33 +358,33 @@ int spapr_populate_pci_devices(struct kvm *kvm,
}
reg[n+1].hi = cpu_to_be32(
- b_n(0) |
- b_p(0) |
- b_t(0) |
- b_ss(bar_to_ss(le32_to_cpu(hdr->bar[i]))) |
- b_bbbbbbbb(0) |
- b_ddddd(devid) |
- b_fff(fn) |
- b_rrrrrrrr(bars[i]));
- reg[n+1].addr = 0;
- reg[n+1].size = cpu_to_be64(hdr->bar_size[i]);
+ of_pci_b_n(0) |
+ of_pci_b_p(0) |
+ of_pci_b_t(0) |
+ of_pci_b_ss(bar_to_ss(le32_to_cpu(hdr->bar[i]))) |
+ of_pci_b_bbbbbbbb(0) |
+ of_pci_b_ddddd(devid) |
+ of_pci_b_fff(fn) |
+ of_pci_b_rrrrrrrr(bars[i]));
+ reg[n+1].mid = 0;
+ reg[n+1].lo = cpu_to_be64(hdr->bar_size[i]);
assigned_addresses[n].hi = cpu_to_be32(
- b_n(1) |
- b_p(0) |
- b_t(0) |
- b_ss(bar_to_ss(le32_to_cpu(hdr->bar[i]))) |
- b_bbbbbbbb(0) |
- b_ddddd(devid) |
- b_fff(fn) |
- b_rrrrrrrr(bars[i]));
+ of_pci_b_n(1) |
+ of_pci_b_p(0) |
+ of_pci_b_t(0) |
+ of_pci_b_ss(bar_to_ss(le32_to_cpu(hdr->bar[i]))) |
+ of_pci_b_bbbbbbbb(0) |
+ of_pci_b_ddddd(devid) |
+ of_pci_b_fff(fn) |
+ of_pci_b_rrrrrrrr(bars[i]));
/*
* Writing zeroes to assigned_addresses causes the guest kernel to
* reassign BARs
*/
- assigned_addresses[n].addr = cpu_to_be64(bar_to_addr(le32_to_cpu(hdr->bar[i])));
- assigned_addresses[n].size = reg[n+1].size;
+ assigned_addresses[n].mid = cpu_to_be64(bar_to_addr(le32_to_cpu(hdr->bar[i])));
+ assigned_addresses[n].lo = reg[n+1].lo;
++n;
}
--
1.8.2.2
--
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