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authorMax Gurtovoy <mgurtovoy@nvidia.com>2021-08-26 13:39:02 +0300
committerAlex Williamson <alex.williamson@redhat.com>2021-08-26 10:36:51 -0600
commit536475109c82841126ca341ef0f138e7298880c1 (patch)
tree537182d7c5e053cc644f8bb72156783c366e81ea /drivers/vfio/pci/vfio_pci_config.c
parent9a389938695a068a3149c2d21a16c34b63ca002f (diff)
downloadlinux-536475109c82841126ca341ef0f138e7298880c1.tar.bz2
vfio/pci: Rename vfio_pci_device to vfio_pci_core_device
This is a preparation patch for separating the vfio_pci driver to a subsystem driver and a generic pci driver. This patch doesn't change any logic. The new vfio_pci_core_device structure will be the main structure of the core driver and later on vfio_pci_device structure will be the main structure of the generic vfio_pci driver. Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Yishai Hadas <yishaih@nvidia.com> Link: https://lore.kernel.org/r/20210826103912.128972-4-yishaih@nvidia.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/pci/vfio_pci_config.c')
-rw-r--r--drivers/vfio/pci/vfio_pci_config.c68
1 files changed, 34 insertions, 34 deletions
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index 0bc269c0b03f..1f034f768a27 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -108,9 +108,9 @@ static const u16 pci_ext_cap_length[PCI_EXT_CAP_ID_MAX + 1] = {
struct perm_bits {
u8 *virt; /* read/write virtual data, not hw */
u8 *write; /* writeable bits */
- int (*readfn)(struct vfio_pci_device *vdev, int pos, int count,
+ int (*readfn)(struct vfio_pci_core_device *vdev, int pos, int count,
struct perm_bits *perm, int offset, __le32 *val);
- int (*writefn)(struct vfio_pci_device *vdev, int pos, int count,
+ int (*writefn)(struct vfio_pci_core_device *vdev, int pos, int count,
struct perm_bits *perm, int offset, __le32 val);
};
@@ -171,7 +171,7 @@ static int vfio_user_config_write(struct pci_dev *pdev, int offset,
return ret;
}
-static int vfio_default_config_read(struct vfio_pci_device *vdev, int pos,
+static int vfio_default_config_read(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 *val)
{
@@ -197,7 +197,7 @@ static int vfio_default_config_read(struct vfio_pci_device *vdev, int pos,
return count;
}
-static int vfio_default_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_default_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -244,7 +244,7 @@ static int vfio_default_config_write(struct vfio_pci_device *vdev, int pos,
}
/* Allow direct read from hardware, except for capability next pointer */
-static int vfio_direct_config_read(struct vfio_pci_device *vdev, int pos,
+static int vfio_direct_config_read(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 *val)
{
@@ -269,7 +269,7 @@ static int vfio_direct_config_read(struct vfio_pci_device *vdev, int pos,
}
/* Raw access skips any kind of virtualization */
-static int vfio_raw_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_raw_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -282,7 +282,7 @@ static int vfio_raw_config_write(struct vfio_pci_device *vdev, int pos,
return count;
}
-static int vfio_raw_config_read(struct vfio_pci_device *vdev, int pos,
+static int vfio_raw_config_read(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 *val)
{
@@ -296,7 +296,7 @@ static int vfio_raw_config_read(struct vfio_pci_device *vdev, int pos,
}
/* Virt access uses only virtualization */
-static int vfio_virt_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_virt_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -304,7 +304,7 @@ static int vfio_virt_config_write(struct vfio_pci_device *vdev, int pos,
return count;
}
-static int vfio_virt_config_read(struct vfio_pci_device *vdev, int pos,
+static int vfio_virt_config_read(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 *val)
{
@@ -396,7 +396,7 @@ static inline void p_setd(struct perm_bits *p, int off, u32 virt, u32 write)
}
/* Caller should hold memory_lock semaphore */
-bool __vfio_pci_memory_enabled(struct vfio_pci_device *vdev)
+bool __vfio_pci_memory_enabled(struct vfio_pci_core_device *vdev)
{
struct pci_dev *pdev = vdev->pdev;
u16 cmd = le16_to_cpu(*(__le16 *)&vdev->vconfig[PCI_COMMAND]);
@@ -413,7 +413,7 @@ bool __vfio_pci_memory_enabled(struct vfio_pci_device *vdev)
* Restore the *real* BARs after we detect a FLR or backdoor reset.
* (backdoor = some device specific technique that we didn't catch)
*/
-static void vfio_bar_restore(struct vfio_pci_device *vdev)
+static void vfio_bar_restore(struct vfio_pci_core_device *vdev)
{
struct pci_dev *pdev = vdev->pdev;
u32 *rbar = vdev->rbar;
@@ -460,7 +460,7 @@ static __le32 vfio_generate_bar_flags(struct pci_dev *pdev, int bar)
* Pretend we're hardware and tweak the values of the *virtual* PCI BARs
* to reflect the hardware capabilities. This implements BAR sizing.
*/
-static void vfio_bar_fixup(struct vfio_pci_device *vdev)
+static void vfio_bar_fixup(struct vfio_pci_core_device *vdev)
{
struct pci_dev *pdev = vdev->pdev;
int i;
@@ -514,7 +514,7 @@ static void vfio_bar_fixup(struct vfio_pci_device *vdev)
vdev->bardirty = false;
}
-static int vfio_basic_config_read(struct vfio_pci_device *vdev, int pos,
+static int vfio_basic_config_read(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 *val)
{
@@ -536,7 +536,7 @@ static int vfio_basic_config_read(struct vfio_pci_device *vdev, int pos,
}
/* Test whether BARs match the value we think they should contain */
-static bool vfio_need_bar_restore(struct vfio_pci_device *vdev)
+static bool vfio_need_bar_restore(struct vfio_pci_core_device *vdev)
{
int i = 0, pos = PCI_BASE_ADDRESS_0, ret;
u32 bar;
@@ -552,7 +552,7 @@ static bool vfio_need_bar_restore(struct vfio_pci_device *vdev)
return false;
}
-static int vfio_basic_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_basic_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -692,7 +692,7 @@ static int __init init_pci_cap_basic_perm(struct perm_bits *perm)
return 0;
}
-static int vfio_pm_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_pm_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -747,7 +747,7 @@ static int __init init_pci_cap_pm_perm(struct perm_bits *perm)
return 0;
}
-static int vfio_vpd_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_vpd_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -829,7 +829,7 @@ static int __init init_pci_cap_pcix_perm(struct perm_bits *perm)
return 0;
}
-static int vfio_exp_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_exp_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -913,7 +913,7 @@ static int __init init_pci_cap_exp_perm(struct perm_bits *perm)
return 0;
}
-static int vfio_af_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_af_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -1072,7 +1072,7 @@ int __init vfio_pci_init_perm_bits(void)
return ret;
}
-static int vfio_find_cap_start(struct vfio_pci_device *vdev, int pos)
+static int vfio_find_cap_start(struct vfio_pci_core_device *vdev, int pos)
{
u8 cap;
int base = (pos >= PCI_CFG_SPACE_SIZE) ? PCI_CFG_SPACE_SIZE :
@@ -1089,7 +1089,7 @@ static int vfio_find_cap_start(struct vfio_pci_device *vdev, int pos)
return pos;
}
-static int vfio_msi_config_read(struct vfio_pci_device *vdev, int pos,
+static int vfio_msi_config_read(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 *val)
{
@@ -1109,7 +1109,7 @@ static int vfio_msi_config_read(struct vfio_pci_device *vdev, int pos,
return vfio_default_config_read(vdev, pos, count, perm, offset, val);
}
-static int vfio_msi_config_write(struct vfio_pci_device *vdev, int pos,
+static int vfio_msi_config_write(struct vfio_pci_core_device *vdev, int pos,
int count, struct perm_bits *perm,
int offset, __le32 val)
{
@@ -1189,7 +1189,7 @@ static int init_pci_cap_msi_perm(struct perm_bits *perm, int len, u16 flags)
}
/* Determine MSI CAP field length; initialize msi_perms on 1st call per vdev */
-static int vfio_msi_cap_len(struct vfio_pci_device *vdev, u8 pos)
+static int vfio_msi_cap_len(struct vfio_pci_core_device *vdev, u8 pos)
{
struct pci_dev *pdev = vdev->pdev;
int len, ret;
@@ -1222,7 +1222,7 @@ static int vfio_msi_cap_len(struct vfio_pci_device *vdev, u8 pos)
}
/* Determine extended capability length for VC (2 & 9) and MFVC */
-static int vfio_vc_cap_len(struct vfio_pci_device *vdev, u16 pos)
+static int vfio_vc_cap_len(struct vfio_pci_core_device *vdev, u16 pos)
{
struct pci_dev *pdev = vdev->pdev;
u32 tmp;
@@ -1263,7 +1263,7 @@ static int vfio_vc_cap_len(struct vfio_pci_device *vdev, u16 pos)
return len;
}
-static int vfio_cap_len(struct vfio_pci_device *vdev, u8 cap, u8 pos)
+static int vfio_cap_len(struct vfio_pci_core_device *vdev, u8 cap, u8 pos)
{
struct pci_dev *pdev = vdev->pdev;
u32 dword;
@@ -1338,7 +1338,7 @@ static int vfio_cap_len(struct vfio_pci_device *vdev, u8 cap, u8 pos)
return 0;
}
-static int vfio_ext_cap_len(struct vfio_pci_device *vdev, u16 ecap, u16 epos)
+static int vfio_ext_cap_len(struct vfio_pci_core_device *vdev, u16 ecap, u16 epos)
{
struct pci_dev *pdev = vdev->pdev;
u8 byte;
@@ -1412,7 +1412,7 @@ static int vfio_ext_cap_len(struct vfio_pci_device *vdev, u16 ecap, u16 epos)
return 0;
}
-static int vfio_fill_vconfig_bytes(struct vfio_pci_device *vdev,
+static int vfio_fill_vconfig_bytes(struct vfio_pci_core_device *vdev,
int offset, int size)
{
struct pci_dev *pdev = vdev->pdev;
@@ -1459,7 +1459,7 @@ static int vfio_fill_vconfig_bytes(struct vfio_pci_device *vdev,
return ret;
}
-static int vfio_cap_init(struct vfio_pci_device *vdev)
+static int vfio_cap_init(struct vfio_pci_core_device *vdev)
{
struct pci_dev *pdev = vdev->pdev;
u8 *map = vdev->pci_config_map;
@@ -1549,7 +1549,7 @@ static int vfio_cap_init(struct vfio_pci_device *vdev)
return 0;
}
-static int vfio_ecap_init(struct vfio_pci_device *vdev)
+static int vfio_ecap_init(struct vfio_pci_core_device *vdev)
{
struct pci_dev *pdev = vdev->pdev;
u8 *map = vdev->pci_config_map;
@@ -1669,7 +1669,7 @@ static const struct pci_device_id known_bogus_vf_intx_pin[] = {
* for each area requiring emulated bits, but the array of pointers
* would be comparable in size (at least for standard config space).
*/
-int vfio_config_init(struct vfio_pci_device *vdev)
+int vfio_config_init(struct vfio_pci_core_device *vdev)
{
struct pci_dev *pdev = vdev->pdev;
u8 *map, *vconfig;
@@ -1773,7 +1773,7 @@ out:
return pcibios_err_to_errno(ret);
}
-void vfio_config_free(struct vfio_pci_device *vdev)
+void vfio_config_free(struct vfio_pci_core_device *vdev)
{
kfree(vdev->vconfig);
vdev->vconfig = NULL;
@@ -1790,7 +1790,7 @@ void vfio_config_free(struct vfio_pci_device *vdev)
* Find the remaining number of bytes in a dword that match the given
* position. Stop at either the end of the capability or the dword boundary.
*/
-static size_t vfio_pci_cap_remaining_dword(struct vfio_pci_device *vdev,
+static size_t vfio_pci_cap_remaining_dword(struct vfio_pci_core_device *vdev,
loff_t pos)
{
u8 cap = vdev->pci_config_map[pos];
@@ -1802,7 +1802,7 @@ static size_t vfio_pci_cap_remaining_dword(struct vfio_pci_device *vdev,
return i;
}
-static ssize_t vfio_config_do_rw(struct vfio_pci_device *vdev, char __user *buf,
+static ssize_t vfio_config_do_rw(struct vfio_pci_core_device *vdev, char __user *buf,
size_t count, loff_t *ppos, bool iswrite)
{
struct pci_dev *pdev = vdev->pdev;
@@ -1885,7 +1885,7 @@ static ssize_t vfio_config_do_rw(struct vfio_pci_device *vdev, char __user *buf,
return ret;
}
-ssize_t vfio_pci_config_rw(struct vfio_pci_device *vdev, char __user *buf,
+ssize_t vfio_pci_config_rw(struct vfio_pci_core_device *vdev, char __user *buf,
size_t count, loff_t *ppos, bool iswrite)
{
size_t done = 0;