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Differential D33129 Diff 99347 usr.sbin/bhyve/pci_emul.h

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usr.sbin/bhyve/pci_emul.h

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#include <sys/nv.h> #include <sys/nv.h>
#include <sys/_pthreadtypes.h> #include <sys/_pthreadtypes.h>
#include <dev/pci/pcireg.h> #include <dev/pci/pcireg.h>
#include <assert.h> #include <assert.h>
#define PCI_BARMAX PCIR_MAX_BAR_0 /* BAR registers in a Type 0 header */ #define PCI_BARMAX PCIR_MAX_BAR_0 /* BAR registers in a Type 0 header */
#define PCI_BARMAX_WITH_ROM (PCI_BARMAX + 1)
#define PCI_ROM_IDX (PCI_BARMAX + 1)
struct vmctx; struct vmctx;
struct pci_devinst; struct pci_devinst;
struct memory_region; struct memory_region;
struct vm_snapshot_meta; struct vm_snapshot_meta;
struct pci_devemu { struct pci_devemu {
char *pe_emu; /* Name of device emulation */ char *pe_emu; /* Name of device emulation */
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}; };
#define PCI_EMUL_SET(x) DATA_SET(pci_devemu_set, x); #define PCI_EMUL_SET(x) DATA_SET(pci_devemu_set, x);
enum pcibar_type { enum pcibar_type {
PCIBAR_NONE, PCIBAR_NONE,
PCIBAR_IO, PCIBAR_IO,
PCIBAR_MEM32, PCIBAR_MEM32,
PCIBAR_MEM64, PCIBAR_MEM64,
PCIBAR_MEMHI64 PCIBAR_MEMHI64,
PCIBAR_ROM,
}; };
struct pcibar { struct pcibar {
enum pcibar_type type; /* io or memory */ enum pcibar_type type; /* io or memory */
uint64_t size; uint64_t size;
uint64_t addr; uint64_t addr;
uint8_t lobits; uint8_t lobits;
}; };
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struct msix_table_entry *table; /* allocated at runtime */ struct msix_table_entry *table; /* allocated at runtime */
uint8_t *mapped_addr; uint8_t *mapped_addr;
size_t mapped_size; size_t mapped_size;
} pi_msix; } pi_msix;
void *pi_arg; /* devemu-private data */ void *pi_arg; /* devemu-private data */
u_char pi_cfgdata[PCI_REGMAX + 1]; u_char pi_cfgdata[PCI_REGMAX + 1];
struct pcibar pi_bar[PCI_BARMAX + 1]; /* ROM is handled like a BAR */
struct pcibar pi_bar[PCI_BARMAX_WITH_ROM + 1];
uint64_t pi_romoffset;
}; };
struct msicap { struct msicap {
uint8_t capid; uint8_t capid;
uint8_t nextptr; uint8_t nextptr;
uint16_t msgctrl; uint16_t msgctrl;
uint32_t addrlo; uint32_t addrlo;
uint32_t addrhi; uint32_t addrhi;
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typedef void (*pci_lintr_cb)(int b, int s, int pin, int pirq_pin, typedef void (*pci_lintr_cb)(int b, int s, int pin, int pirq_pin,
int ioapic_irq, void *arg); int ioapic_irq, void *arg);
int init_pci(struct vmctx *ctx); int init_pci(struct vmctx *ctx);
void pci_callback(void); void pci_callback(void);
int pci_emul_alloc_bar(struct pci_devinst *pdi, int idx, int pci_emul_alloc_bar(struct pci_devinst *pdi, int idx,
enum pcibar_type type, uint64_t size); enum pcibar_type type, uint64_t size);
int pci_emul_alloc_rom(struct pci_devinst *const pdi, const uint64_t size,
markjUnsubmitted
Done
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void **const addr);
int pci_emul_add_msicap(struct pci_devinst *pi, int msgnum); int pci_emul_add_msicap(struct pci_devinst *pi, int msgnum);
int pci_emul_add_pciecap(struct pci_devinst *pi, int pcie_device_type); int pci_emul_add_pciecap(struct pci_devinst *pi, int pcie_device_type);
void pci_emul_capwrite(struct pci_devinst *pi, int offset, int bytes, void pci_emul_capwrite(struct pci_devinst *pi, int offset, int bytes,
uint32_t val, uint8_t capoff, int capid); uint32_t val, uint8_t capoff, int capid);
void pci_emul_cmd_changed(struct pci_devinst *pi, uint16_t old); void pci_emul_cmd_changed(struct pci_devinst *pi, uint16_t old);
void pci_generate_msi(struct pci_devinst *pi, int msgnum); void pci_generate_msi(struct pci_devinst *pi, int msgnum);
void pci_generate_msix(struct pci_devinst *pi, int msgnum); void pci_generate_msix(struct pci_devinst *pi, int msgnum);
void pci_lintr_assert(struct pci_devinst *pi); void pci_lintr_assert(struct pci_devinst *pi);
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