pci.h (8f61992d7cc1108cebc1337451a15a0af420984c) pci.h (4b56afaf7bf4fa37bae5b26fd93ee1ff5969c1bb)
1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 * Copyright (c) 2020-2022 The FreeBSD Foundation
8 *

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280{ \
281 \
282 linux_pci_unregister_driver(&_driver); \
283} \
284 \
285module_init(_pci_init); \
286module_exit(_pci_exit)
287
1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 * Copyright (c) 2020-2022 The FreeBSD Foundation
8 *

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280{ \
281 \
282 linux_pci_unregister_driver(&_driver); \
283} \
284 \
285module_init(_pci_init); \
286module_exit(_pci_exit)
287
288struct msi_msg {
289 uint32_t data;
290};
291
292struct msi_desc {
293 struct msi_msg msg;
294 struct {
295 bool is_64;
296 } msi_attrib;
297};
298
288/*
289 * If we find drivers accessing this from multiple KPIs we may have to
290 * refcount objects of this structure.
291 */
292struct pci_mmio_region {
293 TAILQ_ENTRY(pci_mmio_region) next;
294 struct resource *res;
295 int rid;

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306 uint16_t device;
307 uint16_t vendor;
308 uint16_t subsystem_vendor;
309 uint16_t subsystem_device;
310 unsigned int irq;
311 unsigned int devfn;
312 uint32_t class;
313 uint8_t revision;
299/*
300 * If we find drivers accessing this from multiple KPIs we may have to
301 * refcount objects of this structure.
302 */
303struct pci_mmio_region {
304 TAILQ_ENTRY(pci_mmio_region) next;
305 struct resource *res;
306 int rid;

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317 uint16_t device;
318 uint16_t vendor;
319 uint16_t subsystem_vendor;
320 uint16_t subsystem_device;
321 unsigned int irq;
322 unsigned int devfn;
323 uint32_t class;
324 uint8_t revision;
325 uint8_t msi_cap;
314 bool managed; /* devres "pcim_*(). */
315 bool want_iomap_res;
316 bool msi_enabled;
317 bool msix_enabled;
318 phys_addr_t rom;
319 size_t romlen;
326 bool managed; /* devres "pcim_*(). */
327 bool want_iomap_res;
328 bool msi_enabled;
329 bool msix_enabled;
330 phys_addr_t rom;
331 size_t romlen;
332 /*
333 * msi_desc should be an array one day? For as long as we only support
334 * 1 MSI vector this is fine.
335 */
336 struct msi_desc *msi_desc;
320
321 TAILQ_HEAD(, pci_mmio_region) mmio;
322};
323
324/* We need some meta-struct to keep track of these for devres. */
325struct pci_devres {
326 bool enable_io;
327 /* PCIR_MAX_BAR_0 + 1 = 6 => BIT(0..5). */

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340/* Internal helper function(s). */
341struct pci_dev *lkpinew_pci_dev(device_t);
342struct pci_devres *lkpi_pci_devres_get_alloc(struct pci_dev *pdev);
343void lkpi_pci_devres_release(struct device *, void *);
344struct resource *_lkpi_pci_iomap(struct pci_dev *pdev, int bar, int mmio_size);
345struct pcim_iomap_devres *lkpi_pcim_iomap_devres_find(struct pci_dev *pdev);
346void lkpi_pcim_iomap_table_release(struct device *, void *);
347struct pci_dev *lkpi_pci_get_device(uint16_t, uint16_t, struct pci_dev *);
337
338 TAILQ_HEAD(, pci_mmio_region) mmio;
339};
340
341/* We need some meta-struct to keep track of these for devres. */
342struct pci_devres {
343 bool enable_io;
344 /* PCIR_MAX_BAR_0 + 1 = 6 => BIT(0..5). */

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357/* Internal helper function(s). */
358struct pci_dev *lkpinew_pci_dev(device_t);
359struct pci_devres *lkpi_pci_devres_get_alloc(struct pci_dev *pdev);
360void lkpi_pci_devres_release(struct device *, void *);
361struct resource *_lkpi_pci_iomap(struct pci_dev *pdev, int bar, int mmio_size);
362struct pcim_iomap_devres *lkpi_pcim_iomap_devres_find(struct pci_dev *pdev);
363void lkpi_pcim_iomap_table_release(struct device *, void *);
364struct pci_dev *lkpi_pci_get_device(uint16_t, uint16_t, struct pci_dev *);
365struct msi_desc *lkpi_pci_msi_desc_alloc(int);
348
349static inline bool
350dev_is_pci(struct device *dev)
351{
352
353 return (device_get_devclass(dev->bsddev) == devclass_find("pci"));
354}
355

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367static inline bool
368dev_is_pci(struct device *dev)
369{
370
371 return (device_get_devclass(dev->bsddev) == devclass_find("pci"));
372}
373

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