5  * See the COPYING file in the top-level directory.
10 #include "pci-spapr.h"
16 #include "qemu/host-utils.h"
20  * PCI devices are always little-endian
21  * SPAPR by default is big-endian
25 static uint8_t qpci_spapr_pio_readb(QPCIBus *bus, uint32_t addr)  in qpci_spapr_pio_readb()  argument
27     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_readb()
28     return qtest_readb(bus->qts, s->pio_cpu_base + addr);  in qpci_spapr_pio_readb()
31 static void qpci_spapr_pio_writeb(QPCIBus *bus, uint32_t addr, uint8_t val)  in qpci_spapr_pio_writeb()  argument
33     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_writeb()
34     qtest_writeb(bus->qts, s->pio_cpu_base + addr, val);  in qpci_spapr_pio_writeb()
37 static uint16_t qpci_spapr_pio_readw(QPCIBus *bus, uint32_t addr)  in qpci_spapr_pio_readw()  argument
39     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_readw()
40     return bswap16(qtest_readw(bus->qts, s->pio_cpu_base + addr));  in qpci_spapr_pio_readw()
43 static void qpci_spapr_pio_writew(QPCIBus *bus, uint32_t addr, uint16_t val)  in qpci_spapr_pio_writew()  argument
45     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_writew()
46     qtest_writew(bus->qts, s->pio_cpu_base + addr, bswap16(val));  in qpci_spapr_pio_writew()
49 static uint32_t qpci_spapr_pio_readl(QPCIBus *bus, uint32_t addr)  in qpci_spapr_pio_readl()  argument
51     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_readl()
52     return bswap32(qtest_readl(bus->qts, s->pio_cpu_base + addr));  in qpci_spapr_pio_readl()
55 static void qpci_spapr_pio_writel(QPCIBus *bus, uint32_t addr, uint32_t val)  in qpci_spapr_pio_writel()  argument
57     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_writel()
58     qtest_writel(bus->qts, s->pio_cpu_base + addr, bswap32(val));  in qpci_spapr_pio_writel()
61 static uint64_t qpci_spapr_pio_readq(QPCIBus *bus, uint32_t addr)  in qpci_spapr_pio_readq()  argument
63     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_readq()
64     return bswap64(qtest_readq(bus->qts, s->pio_cpu_base + addr));  in qpci_spapr_pio_readq()
67 static void qpci_spapr_pio_writeq(QPCIBus *bus, uint32_t addr, uint64_t val)  in qpci_spapr_pio_writeq()  argument
69     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_pio_writeq()
70     qtest_writeq(bus->qts, s->pio_cpu_base + addr, bswap64(val));  in qpci_spapr_pio_writeq()
73 static void qpci_spapr_memread(QPCIBus *bus, uint32_t addr,  in qpci_spapr_memread()  argument
76     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_memread()
77     qtest_memread(bus->qts, s->mmio32_cpu_base + addr, buf, len);  in qpci_spapr_memread()
80 static void qpci_spapr_memwrite(QPCIBus *bus, uint32_t addr,  in qpci_spapr_memwrite()  argument
83     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_memwrite()
84     qtest_memwrite(bus->qts, s->mmio32_cpu_base + addr, buf, len);  in qpci_spapr_memwrite()
87 static uint8_t qpci_spapr_config_readb(QPCIBus *bus, int devfn, uint8_t offset)  in qpci_spapr_config_readb()  argument
89     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_config_readb()
91     return qrtas_ibm_read_pci_config(bus->qts, s->alloc, s->buid,  in qpci_spapr_config_readb()
95 static uint16_t qpci_spapr_config_readw(QPCIBus *bus, int devfn, uint8_t offset)  in qpci_spapr_config_readw()  argument
97     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_config_readw()
99     return qrtas_ibm_read_pci_config(bus->qts, s->alloc, s->buid,  in qpci_spapr_config_readw()
103 static uint32_t qpci_spapr_config_readl(QPCIBus *bus, int devfn, uint8_t offset)  in qpci_spapr_config_readl()  argument
105     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_config_readl()
107     return qrtas_ibm_read_pci_config(bus->qts, s->alloc, s->buid,  in qpci_spapr_config_readl()
111 static void qpci_spapr_config_writeb(QPCIBus *bus, int devfn, uint8_t offset,  in qpci_spapr_config_writeb()  argument
114     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_config_writeb()
116     qrtas_ibm_write_pci_config(bus->qts, s->alloc, s->buid,  in qpci_spapr_config_writeb()
120 static void qpci_spapr_config_writew(QPCIBus *bus, int devfn, uint8_t offset,  in qpci_spapr_config_writew()  argument
123     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_config_writew()
125     qrtas_ibm_write_pci_config(bus->qts, s->alloc, s->buid,  in qpci_spapr_config_writew()
129 static void qpci_spapr_config_writel(QPCIBus *bus, int devfn, uint8_t offset,  in qpci_spapr_config_writel()  argument
132     QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_spapr_config_writel()
134     qrtas_ibm_write_pci_config(bus->qts, s->alloc, s->buid,  in qpci_spapr_config_writel()
146     if (!g_strcmp0(interface, "pci-bus")) {  in qpci_spapr_get_driver()
147         return &qpci->bus;  in qpci_spapr_get_driver()
149     fprintf(stderr, "%s not present in pci-bus-spapr", interface);  in qpci_spapr_get_driver()
159     qpci->bus.has_buggy_msi = true;  in qpci_init_spapr()
161     qpci->alloc = alloc;  in qpci_init_spapr()
163     qpci->bus.pio_readb = qpci_spapr_pio_readb;  in qpci_init_spapr()
164     qpci->bus.pio_readw = qpci_spapr_pio_readw;  in qpci_init_spapr()
165     qpci->bus.pio_readl = qpci_spapr_pio_readl;  in qpci_init_spapr()
166     qpci->bus.pio_readq = qpci_spapr_pio_readq;  in qpci_init_spapr()
168     qpci->bus.pio_writeb = qpci_spapr_pio_writeb;  in qpci_init_spapr()
169     qpci->bus.pio_writew = qpci_spapr_pio_writew;  in qpci_init_spapr()
170     qpci->bus.pio_writel = qpci_spapr_pio_writel;  in qpci_init_spapr()
171     qpci->bus.pio_writeq = qpci_spapr_pio_writeq;  in qpci_init_spapr()
173     qpci->bus.memread = qpci_spapr_memread;  in qpci_init_spapr()
174     qpci->bus.memwrite = qpci_spapr_memwrite;  in qpci_init_spapr()
176     qpci->bus.config_readb = qpci_spapr_config_readb;  in qpci_init_spapr()
177     qpci->bus.config_readw = qpci_spapr_config_readw;  in qpci_init_spapr()
178     qpci->bus.config_readl = qpci_spapr_config_readl;  in qpci_init_spapr()
180     qpci->bus.config_writeb = qpci_spapr_config_writeb;  in qpci_init_spapr()
181     qpci->bus.config_writew = qpci_spapr_config_writew;  in qpci_init_spapr()
182     qpci->bus.config_writel = qpci_spapr_config_writel;  in qpci_init_spapr()
187     qpci->buid = 0x800000020000000ULL;  in qpci_init_spapr()
189     qpci->pio_cpu_base = SPAPR_PCI_BASE;  in qpci_init_spapr()
190     qpci->pio.pci_base = 0;  in qpci_init_spapr()
191     qpci->pio.size = SPAPR_PCI_IO_WIN_SIZE;  in qpci_init_spapr()
193     /* 32-bit portion of the MMIO window is at PCI address 2..4 GiB */  in qpci_init_spapr()
194     qpci->mmio32_cpu_base = SPAPR_PCI_BASE;  in qpci_init_spapr()
195     qpci->mmio32.pci_base = SPAPR_PCI_MMIO32_WIN_SIZE;  in qpci_init_spapr()
196     qpci->mmio32.size = SPAPR_PCI_MMIO32_WIN_SIZE;  in qpci_init_spapr()
198     qpci->bus.qts = qts;  in qpci_init_spapr()
199     qpci->bus.pio_alloc_ptr = 0xc000;  in qpci_init_spapr()
200     qpci->bus.pio_limit = 0x10000;  in qpci_init_spapr()
201     qpci->bus.mmio_alloc_ptr = qpci->mmio32.pci_base;  in qpci_init_spapr()
202     qpci->bus.mmio_limit = qpci->mmio32.pci_base + qpci->mmio32.size;  in qpci_init_spapr()
204     qpci->obj.get_driver = qpci_spapr_get_driver;  in qpci_init_spapr()
212     return &qpci->bus;  in qpci_new_spapr()
215 void qpci_free_spapr(QPCIBus *bus)  in qpci_free_spapr()  argument
219     if (!bus) {  in qpci_free_spapr()
222     s = container_of(bus, QPCIBusSPAPR, bus);  in qpci_free_spapr()
229     qos_node_create_driver("pci-bus-spapr", NULL);  in qpci_spapr_register_nodes()
230     qos_node_produces("pci-bus-spapr", "pci-bus");  in qpci_spapr_register_nodes()