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pci: added pci_find_extended_capability().

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* added PCI Extended Capabilities definitions.
* pci_find_capability() parameter offset is now optional.
This commit is contained in:
Jérôme Duval
2013-06-22 19:48:56 +02:00
parent e1c44764ef
commit 26a4510e59
4 changed files with 119 additions and 18 deletions
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headers/os/drivers/PCI.h
+36
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@@ -196,6 +196,7 @@ struct pci_module_info {
#define PCI_header_type 0x0e /* (1 byte) header type */
#define PCI_bist 0x0f /* (1 byte) built-in self-test */
#define PCI_extended_capability 0x100 /* (4 bytes) extended capability */
/* ---
@@ -690,6 +691,41 @@ struct pci_module_info {
#define PCI_cap_id_sata 0x12 /* Serial ATA Capability */
#define PCI_cap_id_pciaf 0x13 /* PCI Advanced Features */
/** PCI Extended Capabilities */
#define PCI_extcap_id(x) (x & 0x0000ffff)
#define PCI_extcap_version(x) ((x & 0x000f0000) >> 16)
#define PCI_extcap_next_ptr(x) ((x & 0xfff00000) >> 20)
#define PCI_extcap_id_aer 0x0001 /* Advanced Error Reporting */
#define PCI_extcap_id_vc 0x0002 /* Virtual Channel */
#define PCI_extcap_id_serial 0x0003 /* Serial Number */
#define PCI_extcap_id_power_budget 0x0004 /* Power Budgeting */
#define PCI_extcap_id_rcl_decl 0x0005 /* Root Complex Link Declaration */
#define PCI_extcap_id_rcil_ctl 0x0006 /* Root Complex Internal Link Control */
#define PCI_extcap_id_rcec_assoc 0x0007 /* Root Complex Event Collector Association */
#define PCI_extcap_id_mfvc 0x0008 /* MultiFunction Virtual Channel */
#define PCI_extcap_id_vc2 0x0009 /* Virtual Channel 2 */
#define PCI_extcap_id_rcrb_header 0x000a /* RCRB Header */
#define PCI_extcap_id_vendor 0x000b /* Vendor Unique */
#define PCI_extcap_id_acs 0x000d /* Access Control Services */
#define PCI_extcap_id_ari 0x000e /* Alternative Routing Id Interpretation */
#define PCI_extcap_id_ats 0x000f /* Address Translation Services */
#define PCI_extcap_id_srio_virtual 0x0010 /* Single Root I/O Virtualization */
#define PCI_extcap_id_mrio_virtual 0x0011 /* Multiple Root I/O Virtual */
#define PCI_extcap_id_multicast 0x0012 /* Multicast */
#define PCI_extcap_id_page_request 0x0013 /* Page Request */
#define PCI_extcap_id_amd 0x0014 /* AMD Reserved */
#define PCI_extcap_id_resizable_bar 0x0015 /* Resizable Bar */
#define PCI_extcap_id_dyn_power_alloc 0x0016 /* Dynamic Power Allocation */
#define PCI_extcap_id_tph_requester 0x0017 /* TPH Requester */
#define PCI_extcap_id_latency_tolerance 0x0018 /* Latency Tolerance Reporting */
#define PCI_extcap_id_2ndpcie 0x0019 /* Secondary PCIe */
#define PCI_extcap_id_pmux 0x001a /* Protocol Multiplexing */
#define PCI_extcap_id_pasid 0x001b /* Process Address Space Id */
#define PCI_extcap_id_ln_requester 0x001c /* LN Requester */
#define PCI_extcap_id_dpc 0x001d /* Downstream Porto Containment */
#define PCI_extcap_id_l1pm 0x001e /* L1 Power Management Substates */
/** Power Management Control Status Register settings */
#define PCI_pm_mask 0x03
#define PCI_pm_ctrl 0x02