^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * PCI Backend/Frontend Common Data Structures & Macros
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Permission is hereby granted, free of charge, to any person obtaining a copy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * of this software and associated documentation files (the "Software"), to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * deal in the Software without restriction, including without limitation the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * sell copies of the Software, and to permit persons to whom the Software is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * furnished to do so, subject to the following conditions:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * The above copyright notice and this permission notice shall be included in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * all copies or substantial portions of the Software.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * DEALINGS IN THE SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * Author: Ryan Wilson <hap9@epoch.ncsc.mil>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #ifndef __XEN_PCI_COMMON_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define __XEN_PCI_COMMON_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* Be sure to bump this number if you change this file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define XEN_PCI_MAGIC "7"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* xen_pci_sharedinfo flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define _XEN_PCIF_active (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define XEN_PCIF_active (1<<_XEN_PCIF_active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define _XEN_PCIB_AERHANDLER (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define XEN_PCIB_AERHANDLER (1<<_XEN_PCIB_AERHANDLER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define _XEN_PCIB_active (2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define XEN_PCIB_active (1<<_XEN_PCIB_active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) /* xen_pci_op commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define XEN_PCI_OP_conf_read (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define XEN_PCI_OP_conf_write (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define XEN_PCI_OP_enable_msi (2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define XEN_PCI_OP_disable_msi (3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define XEN_PCI_OP_enable_msix (4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define XEN_PCI_OP_disable_msix (5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define XEN_PCI_OP_aer_detected (6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define XEN_PCI_OP_aer_resume (7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define XEN_PCI_OP_aer_mmio (8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define XEN_PCI_OP_aer_slotreset (9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /* xen_pci_op error numbers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define XEN_PCI_ERR_success (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define XEN_PCI_ERR_dev_not_found (-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define XEN_PCI_ERR_invalid_offset (-2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define XEN_PCI_ERR_access_denied (-3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define XEN_PCI_ERR_not_implemented (-4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /* XEN_PCI_ERR_op_failed - backend failed to complete the operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define XEN_PCI_ERR_op_failed (-5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * it should be PAGE_SIZE-sizeof(struct xen_pci_op))/sizeof(struct msix_entry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * Should not exceed 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define SH_INFO_MAX_VEC 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct xen_msix_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) uint16_t vector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) uint16_t entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct xen_pci_op {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /* IN: what action to perform: XEN_PCI_OP_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) uint32_t cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* OUT: will contain an error number (if any) from errno.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int32_t err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) /* IN: which device to touch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) uint32_t domain; /* PCI Domain/Segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) uint32_t bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) uint32_t devfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) /* IN: which configuration registers to touch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) int32_t offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int32_t size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) /* IN/OUT: Contains the result after a READ or the value to WRITE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) uint32_t value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* IN: Contains extra infor for this operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) uint32_t info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) /*IN: param for msi-x */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct xen_msix_entry msix_entries[SH_INFO_MAX_VEC];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) /*used for pcie aer handling*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct xen_pcie_aer_op {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* IN: what action to perform: XEN_PCI_OP_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) uint32_t cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /*IN/OUT: return aer_op result or carry error_detected state as input*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) int32_t err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /* IN: which device to touch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) uint32_t domain; /* PCI Domain/Segment*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) uint32_t bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) uint32_t devfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct xen_pci_sharedinfo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /* flags - XEN_PCIF_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) uint32_t flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct xen_pci_op op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct xen_pcie_aer_op aer_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #endif /* __XEN_PCI_COMMON_H__ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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