iPXE
Functions
mlx_pci_priv.h File Reference
#include "../../include/public/mlx_pci.h"
#include "../../include/public/mlx_utils.h"

Go to the source code of this file.

Functions

 FILE_LICENCE (GPL2_OR_LATER)
 
mlx_status mlx_pci_init_priv (IN mlx_utils *utils)
 
mlx_status mlx_pci_teardown_priv (IN mlx_utils *utils)
 
mlx_status mlx_pci_read_priv (IN mlx_utils *utils, IN mlx_pci_width width, IN mlx_uint32 offset, IN mlx_uintn count, OUT mlx_void *buffer)
 
mlx_status mlx_pci_write_priv (IN mlx_utils *utils, IN mlx_pci_width width, IN mlx_uint32 offset, IN mlx_uintn count, IN mlx_void *buffer)
 
mlx_status mlx_pci_mem_read_priv (IN mlx_utils *utils, IN mlx_pci_width width, IN mlx_uint8 bar_index, IN mlx_uint64 offset, IN mlx_uintn count, OUT mlx_void *buffer)
 
mlx_status mlx_pci_mem_write_priv (IN mlx_utils *utils, IN mlx_pci_width width, IN mlx_uint8 bar_index, IN mlx_uint64 offset, IN mlx_uintn count, IN mlx_void *buffer)
 

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER  )

◆ mlx_pci_init_priv()

mlx_status mlx_pci_init_priv ( IN mlx_utils utils)

Definition at line 111 of file mlx_pci_priv.c.

114 {
116  adjust_pci_device ( utils->pci );
117 #ifdef DEVICE_CX3
118  utils->config = ioremap ( pci_bar_start ( utils->pci, PCI_BASE_ADDRESS_0),
119  0x100000 );
120 #endif
121  return status;
122 }
#define PCI_BASE_ADDRESS_0
Definition: pci.h:61
void adjust_pci_device(struct pci_device *pci)
Enable PCI device.
Definition: pci.c:149
uint8_t status
Status.
Definition: ena.h:16
unsigned long pci_bar_start(struct pci_device *pci, unsigned int reg)
Find the start of a PCI BAR.
Definition: pci.c:96
#define MLX_SUCCESS
int mlx_status
void * ioremap(unsigned long bus_addr, size_t len)
Map bus address as an I/O address.

References adjust_pci_device(), ioremap(), MLX_SUCCESS, pci_bar_start(), PCI_BASE_ADDRESS_0, and status.

Referenced by mlx_pci_init().

◆ mlx_pci_teardown_priv()

mlx_status mlx_pci_teardown_priv ( IN mlx_utils utils)

Definition at line 125 of file mlx_pci_priv.c.

128 {
130 #ifdef DEVICE_CX3
131  iounmap( utils->config );
132 #endif
133  return status;
134 }
uint8_t status
Status.
Definition: ena.h:16
#define MLX_SUCCESS
void iounmap(volatile const void *io_addr)
Unmap I/O address.
int mlx_status

References iounmap(), MLX_SUCCESS, and status.

Referenced by mlx_pci_teardown().

◆ mlx_pci_read_priv()

mlx_status mlx_pci_read_priv ( IN mlx_utils utils,
IN mlx_pci_width  width,
IN mlx_uint32  offset,
IN mlx_uintn  count,
OUT mlx_void buffer 
)

Definition at line 137 of file mlx_pci_priv.c.

144 {
146  status = mlx_pci_config(utils, TRUE, width, offset, count, buffer);
147  return status;
148 }
uint32_t buffer
Buffer index (or NETVSC_RNDIS_NO_BUFFER)
Definition: netvsc.h:16
uint8_t status
Status.
Definition: ena.h:16
static userptr_t size_t offset
Offset of the first segment within the content.
Definition: deflate.h:259
#define MLX_SUCCESS
static mlx_status mlx_pci_config(IN mlx_utils *utils, IN mlx_boolean read, IN mlx_pci_width width, IN mlx_uint32 offset, IN mlx_uintn count, IN OUT mlx_void *buffer)
Definition: mlx_pci_priv.c:68
#define TRUE
Definition: tlan.h:46
uint16_t count
Number of entries.
Definition: ena.h:22
int mlx_status

References buffer, count, mlx_pci_config(), MLX_SUCCESS, offset, status, and TRUE.

Referenced by mlx_pci_read().

◆ mlx_pci_write_priv()

mlx_status mlx_pci_write_priv ( IN mlx_utils utils,
IN mlx_pci_width  width,
IN mlx_uint32  offset,
IN mlx_uintn  count,
IN mlx_void buffer 
)

Definition at line 151 of file mlx_pci_priv.c.

158 {
160  status = mlx_pci_config(utils, FALSE, width, offset, count, buffer);
161  return status;
162 }
uint32_t buffer
Buffer index (or NETVSC_RNDIS_NO_BUFFER)
Definition: netvsc.h:16
uint8_t status
Status.
Definition: ena.h:16
static userptr_t size_t offset
Offset of the first segment within the content.
Definition: deflate.h:259
#define MLX_SUCCESS
static mlx_status mlx_pci_config(IN mlx_utils *utils, IN mlx_boolean read, IN mlx_pci_width width, IN mlx_uint32 offset, IN mlx_uintn count, IN OUT mlx_void *buffer)
Definition: mlx_pci_priv.c:68
uint16_t count
Number of entries.
Definition: ena.h:22
#define FALSE
Definition: tlan.h:45
int mlx_status

References buffer, count, FALSE, mlx_pci_config(), MLX_SUCCESS, offset, and status.

Referenced by mlx_pci_write().

◆ mlx_pci_mem_read_priv()

mlx_status mlx_pci_mem_read_priv ( IN mlx_utils utils,
IN mlx_pci_width  width,
IN mlx_uint8  bar_index,
IN mlx_uint64  offset,
IN mlx_uintn  count,
OUT mlx_void buffer 
)

Definition at line 165 of file mlx_pci_priv.c.

173 {
174  if (buffer == NULL || width != MlxPciWidthUint32)
175  return MLX_INVALID_PARAMETER;
176  *((mlx_uint32 *)buffer) = readl(offset);
177  return MLX_SUCCESS;
178 }
#define MLX_INVALID_PARAMETER
uint32_t readl(volatile uint32_t *io_addr)
Read 32-bit dword from memory-mapped device.
uint32_t buffer
Buffer index (or NETVSC_RNDIS_NO_BUFFER)
Definition: netvsc.h:16
uint32_t mlx_uint32
static userptr_t size_t offset
Offset of the first segment within the content.
Definition: deflate.h:259
#define MLX_SUCCESS
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362

References buffer, MLX_INVALID_PARAMETER, MLX_SUCCESS, MlxPciWidthUint32, NULL, offset, and readl().

Referenced by mlx_pci_mem_read().

◆ mlx_pci_mem_write_priv()

mlx_status mlx_pci_mem_write_priv ( IN mlx_utils utils,
IN mlx_pci_width  width,
IN mlx_uint8  bar_index,
IN mlx_uint64  offset,
IN mlx_uintn  count,
IN mlx_void buffer 
)

Definition at line 181 of file mlx_pci_priv.c.

189 {
190  if (buffer == NULL || width != MlxPciWidthUint32)
191  return MLX_INVALID_PARAMETER;
192  barrier();
193  writel(*((mlx_uint32 *)buffer), offset);
194  return MLX_SUCCESS;
195 }
#define MLX_INVALID_PARAMETER
uint32_t buffer
Buffer index (or NETVSC_RNDIS_NO_BUFFER)
Definition: netvsc.h:16
uint32_t mlx_uint32
void writel(uint32_t data, volatile uint32_t *io_addr)
Write 32-bit dword to memory-mapped device.
static userptr_t size_t offset
Offset of the first segment within the content.
Definition: deflate.h:259
#define MLX_SUCCESS
#define barrier()
Optimisation barrier.
Definition: compiler.h:655
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362

References barrier, buffer, MLX_INVALID_PARAMETER, MLX_SUCCESS, MlxPciWidthUint32, NULL, offset, and writel().

Referenced by mlx_pci_mem_write().