Page MenuHomeFreeBSD
Differential D29262 Diff 85729 usr.sbin/bhyve/pci_emul.c

Changeset View

Standalone View

View Options

usr.sbin/bhyve/pci_emul.c

Show First 20 Lines • Show All 1,970 Lines • ▼ Show 20 Lines
#ifdef BHYVE_SNAPSHOT #ifdef BHYVE_SNAPSHOT
/* /*
* Saves/restores PCI device emulated state. Returns 0 on success. * Saves/restores PCI device emulated state. Returns 0 on success.
*/ */
static int static int
pci_snapshot_pci_dev(struct vm_snapshot_meta *meta) pci_snapshot_pci_dev(struct vm_snapshot_meta *meta)
{ {
struct pci_devinst *pi; struct pci_devinst *pi;
struct pcibar *pb;
struct msix_table_entry *mte;
int i; int i;
int ret; int ret;
pi = meta->dev_data; pi = meta->dev_data;
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.enabled, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.enabled, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.addr, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.addr, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.msg_data, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.msg_data, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.maxmsgnum, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msi.maxmsgnum, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.enabled, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.enabled, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table_bar, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table_bar, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_bar, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_bar, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table_offset, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table_offset, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table_count, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table_count, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_offset, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_offset, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_size, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_size, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.function_mask, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.function_mask, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_page_offset, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.pba_page_offset, meta, ret, done);
SNAPSHOT_BUF_OR_LEAVE(pi->pi_cfgdata, sizeof(pi->pi_cfgdata), SNAPSHOT_BUF_OR_LEAVE(pi->pi_cfgdata, sizeof(pi->pi_cfgdata),
meta, ret, done); meta, ret, done);
SNAPSHOT_ADD_INTERN_ARR(pi_bars, meta);
for (i = 0; i < nitems(pi->pi_bar); i++) { for (i = 0; i < nitems(pi->pi_bar); i++) {
SNAPSHOT_VAR_OR_LEAVE(pi->pi_bar[i].type, meta, ret, done); pb = &(pi->pi_bar[i]);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_bar[i].size, meta, ret, done); SNAPSHOT_SET_INTERN_ARR_INDEX(meta, i);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_bar[i].addr, meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(pb->type, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pb->size, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pb->addr, meta, ret, done);
} }
SNAPSHOT_CLEAR_INTERN_ARR_INDEX(meta);
SNAPSHOT_REMOVE_INTERN_ARR(pi_bars, meta);
/* Restore MSI-X table. */ /* Restore MSI-X table. */
SNAPSHOT_ADD_INTERN_ARR(pi_msix_table, meta);
for (i = 0; i < pi->pi_msix.table_count; i++) { for (i = 0; i < pi->pi_msix.table_count; i++) {
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table[i].addr, mte = &(pi->pi_msix.table[i]);
meta, ret, done); SNAPSHOT_SET_INTERN_ARR_INDEX(meta, i);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table[i].msg_data, SNAPSHOT_VAR_OR_LEAVE(mte->addr, meta, ret, done);
meta, ret, done); SNAPSHOT_VAR_OR_LEAVE(mte->msg_data, meta, ret, done);
SNAPSHOT_VAR_OR_LEAVE(pi->pi_msix.table[i].vector_control, SNAPSHOT_VAR_OR_LEAVE(mte->vector_control, meta, ret, done);
meta, ret, done);
} }
SNAPSHOT_CLEAR_INTERN_ARR_INDEX(meta);
SNAPSHOT_REMOVE_INTERN_ARR(pi_msix_table, meta);
done: done:
return (ret); return (ret);
} }
static int static int
pci_find_slotted_dev(const char *dev_name, struct pci_devemu **pde, pci_find_slotted_dev(const char *dev_name, struct pci_devemu **pde,
struct pci_devinst **pdi) struct pci_devinst **pdi)
▲ Show 20 Lines • Show All 321 Lines • Show Last 20 Lines