diff options
| author | Alex Williamson <alex.williamson@redhat.com> | 2011-05-10 10:02:11 -0600 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-05-21 12:17:08 -0700 |
| commit | 24a4742f0be6226eb0106fbb17caf4d711d1ad43 (patch) | |
| tree | 43c61634fec10605571321daa38b81de4006eab6 | |
| parent | 9f728f53dd70396f3183d2f0861022259471824b (diff) | |
PCI: Track the size of each saved capability data area
This will allow us to store and load it later.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| -rw-r--r-- | drivers/pci/pci.c | 12 | ||||
| -rw-r--r-- | include/linux/pci.h | 11 |
2 files changed, 15 insertions, 8 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 53302cbdb94c..d6e5b8ea9194 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -830,7 +830,7 @@ static int pci_save_pcie_state(struct pci_dev *dev) dev_err(&dev->dev, "buffer not found in %s\n", __func__); return -ENOMEM; } - cap = (u16 *)&save_state->data[0]; + cap = (u16 *)&save_state->cap.data[0]; pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &flags); @@ -863,7 +863,7 @@ static void pci_restore_pcie_state(struct pci_dev *dev) pos = pci_find_capability(dev, PCI_CAP_ID_EXP); if (!save_state || pos <= 0) return; - cap = (u16 *)&save_state->data[0]; + cap = (u16 *)&save_state->cap.data[0]; pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &flags); @@ -899,7 +899,8 @@ static int pci_save_pcix_state(struct pci_dev *dev) return -ENOMEM; } - pci_read_config_word(dev, pos + PCI_X_CMD, (u16 *)save_state->data); + pci_read_config_word(dev, pos + PCI_X_CMD, + (u16 *)save_state->cap.data); return 0; } @@ -914,7 +915,7 @@ static void pci_restore_pcix_state(struct pci_dev *dev) pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); if (!save_state || pos <= 0) return; - cap = (u16 *)&save_state->data[0]; + cap = (u16 *)&save_state->cap.data[0]; pci_write_config_word(dev, pos + PCI_X_CMD, cap[i++]); } @@ -1771,7 +1772,8 @@ static int pci_add_cap_save_buffer( if (!save_state) return -ENOMEM; - save_state->cap_nr = cap; + save_state->cap.cap_nr = cap; + save_state->cap.size = size; pci_add_saved_cap(dev, save_state); return 0; diff --git a/include/linux/pci.h b/include/linux/pci.h index df4d69b82144..61ef8f2f9b19 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -214,12 +214,17 @@ enum pci_bus_speed { PCI_SPEED_UNKNOWN = 0xff, }; -struct pci_cap_saved_state { - struct hlist_node next; +struct pci_cap_saved_data { char cap_nr; + unsigned int size; u32 data[0]; }; +struct pci_cap_saved_state { + struct hlist_node next; + struct pci_cap_saved_data cap; +}; + struct pcie_link_state; struct pci_vpd; struct pci_sriov; @@ -366,7 +371,7 @@ static inline struct pci_cap_saved_state *pci_find_saved_cap( struct hlist_node *pos; hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) { - if (tmp->cap_nr == cap) + if (tmp->cap.cap_nr == cap) return tmp; } return NULL; |