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-rw-r--r--include/linux/acpi.h3
-rw-r--r--include/linux/pci-epc.h39
-rw-r--r--include/linux/pci-epf.h28
-rw-r--r--include/linux/pci_ids.h3
4 files changed, 62 insertions, 11 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index d33c3cfb1794..3c5757d539ab 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -591,9 +591,6 @@ extern u32 osc_sb_native_usb4_control;
#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
-extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
- u32 *mask, u32 req);
-
/* Enable _OST when all relevant hotplug operations are enabled */
#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h
index cc66bec8be90..b82c9b100e97 100644
--- a/include/linux/pci-epc.h
+++ b/include/linux/pci-epc.h
@@ -13,6 +13,12 @@
struct pci_epc;
+enum pci_epc_interface_type {
+ UNKNOWN_INTERFACE = -1,
+ PRIMARY_INTERFACE,
+ SECONDARY_INTERFACE,
+};
+
enum pci_epc_irq_type {
PCI_EPC_IRQ_UNKNOWN,
PCI_EPC_IRQ_LEGACY,
@@ -20,6 +26,19 @@ enum pci_epc_irq_type {
PCI_EPC_IRQ_MSIX,
};
+static inline const char *
+pci_epc_interface_string(enum pci_epc_interface_type type)
+{
+ switch (type) {
+ case PRIMARY_INTERFACE:
+ return "primary";
+ case SECONDARY_INTERFACE:
+ return "secondary";
+ default:
+ return "UNKNOWN interface";
+ }
+}
+
/**
* struct pci_epc_ops - set of function pointers for performing EPC operations
* @write_header: ops to populate configuration space header
@@ -36,6 +55,7 @@ enum pci_epc_irq_type {
* @get_msix: ops to get the number of MSI-X interrupts allocated by the RC
* from the MSI-X capability register
* @raise_irq: ops to raise a legacy, MSI or MSI-X interrupt
+ * @map_msi_irq: ops to map physical address to MSI address and return MSI data
* @start: ops to start the PCI link
* @stop: ops to stop the PCI link
* @owner: the module owner containing the ops
@@ -58,6 +78,10 @@ struct pci_epc_ops {
int (*get_msix)(struct pci_epc *epc, u8 func_no);
int (*raise_irq)(struct pci_epc *epc, u8 func_no,
enum pci_epc_irq_type type, u16 interrupt_num);
+ int (*map_msi_irq)(struct pci_epc *epc, u8 func_no,
+ phys_addr_t phys_addr, u8 interrupt_num,
+ u32 entry_size, u32 *msi_data,
+ u32 *msi_addr_offset);
int (*start)(struct pci_epc *epc);
void (*stop)(struct pci_epc *epc);
const struct pci_epc_features* (*get_features)(struct pci_epc *epc,
@@ -175,10 +199,12 @@ __pci_epc_create(struct device *dev, const struct pci_epc_ops *ops,
struct module *owner);
void devm_pci_epc_destroy(struct device *dev, struct pci_epc *epc);
void pci_epc_destroy(struct pci_epc *epc);
-int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf);
+int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf,
+ enum pci_epc_interface_type type);
void pci_epc_linkup(struct pci_epc *epc);
void pci_epc_init_notify(struct pci_epc *epc);
-void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf);
+void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf,
+ enum pci_epc_interface_type type);
int pci_epc_write_header(struct pci_epc *epc, u8 func_no,
struct pci_epf_header *hdr);
int pci_epc_set_bar(struct pci_epc *epc, u8 func_no,
@@ -195,14 +221,19 @@ int pci_epc_get_msi(struct pci_epc *epc, u8 func_no);
int pci_epc_set_msix(struct pci_epc *epc, u8 func_no, u16 interrupts,
enum pci_barno, u32 offset);
int pci_epc_get_msix(struct pci_epc *epc, u8 func_no);
+int pci_epc_map_msi_irq(struct pci_epc *epc, u8 func_no,
+ phys_addr_t phys_addr, u8 interrupt_num,
+ u32 entry_size, u32 *msi_data, u32 *msi_addr_offset);
int pci_epc_raise_irq(struct pci_epc *epc, u8 func_no,
enum pci_epc_irq_type type, u16 interrupt_num);
int pci_epc_start(struct pci_epc *epc);
void pci_epc_stop(struct pci_epc *epc);
const struct pci_epc_features *pci_epc_get_features(struct pci_epc *epc,
u8 func_no);
-unsigned int pci_epc_get_first_free_bar(const struct pci_epc_features
- *epc_features);
+enum pci_barno
+pci_epc_get_first_free_bar(const struct pci_epc_features *epc_features);
+enum pci_barno pci_epc_get_next_free_bar(const struct pci_epc_features
+ *epc_features, enum pci_barno bar);
struct pci_epc *pci_epc_get(const char *epc_name);
void pci_epc_put(struct pci_epc *epc);
diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h
index 6644ff3b0702..6833e2160ef1 100644
--- a/include/linux/pci-epf.h
+++ b/include/linux/pci-epf.h
@@ -9,11 +9,13 @@
#ifndef __LINUX_PCI_EPF_H
#define __LINUX_PCI_EPF_H
+#include <linux/configfs.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/pci.h>
struct pci_epf;
+enum pci_epc_interface_type;
enum pci_notify_event {
CORE_INIT,
@@ -21,6 +23,7 @@ enum pci_notify_event {
};
enum pci_barno {
+ NO_BAR = -1,
BAR_0,
BAR_1,
BAR_2,
@@ -60,10 +63,13 @@ struct pci_epf_header {
* @bind: ops to perform when a EPC device has been bound to EPF device
* @unbind: ops to perform when a binding has been lost between a EPC device
* and EPF device
+ * @add_cfs: ops to initialize function specific configfs attributes
*/
struct pci_epf_ops {
int (*bind)(struct pci_epf *epf);
void (*unbind)(struct pci_epf *epf);
+ struct config_group *(*add_cfs)(struct pci_epf *epf,
+ struct config_group *group);
};
/**
@@ -118,6 +124,12 @@ struct pci_epf_bar {
* @list: to add pci_epf as a list of PCI endpoint functions to pci_epc
* @nb: notifier block to notify EPF of any EPC events (like linkup)
* @lock: mutex to protect pci_epf_ops
+ * @sec_epc: the secondary EPC device to which this EPF device is bound
+ * @sec_epc_list: to add pci_epf as list of PCI endpoint functions to secondary
+ * EPC device
+ * @sec_epc_bar: represents the BAR of EPF device associated with secondary EPC
+ * @sec_epc_func_no: unique (physical) function number within the secondary EPC
+ * @group: configfs group associated with the EPF device
*/
struct pci_epf {
struct device dev;
@@ -134,6 +146,13 @@ struct pci_epf {
struct notifier_block nb;
/* mutex to protect against concurrent access of pci_epf_ops */
struct mutex lock;
+
+ /* Below members are to attach secondary EPC to an endpoint function */
+ struct pci_epc *sec_epc;
+ struct list_head sec_epc_list;
+ struct pci_epf_bar sec_epc_bar[6];
+ u8 sec_epc_func_no;
+ struct config_group *group;
};
/**
@@ -164,16 +183,17 @@ static inline void *epf_get_drvdata(struct pci_epf *epf)
return dev_get_drvdata(&epf->dev);
}
-const struct pci_epf_device_id *
-pci_epf_match_device(const struct pci_epf_device_id *id, struct pci_epf *epf);
struct pci_epf *pci_epf_create(const char *name);
void pci_epf_destroy(struct pci_epf *epf);
int __pci_epf_register_driver(struct pci_epf_driver *driver,
struct module *owner);
void pci_epf_unregister_driver(struct pci_epf_driver *driver);
void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar,
- size_t align);
-void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar);
+ size_t align, enum pci_epc_interface_type type);
+void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar,
+ enum pci_epc_interface_type type);
int pci_epf_bind(struct pci_epf *epf);
void pci_epf_unbind(struct pci_epf *epf);
+struct config_group *pci_epf_type_add_cfs(struct pci_epf *epf,
+ struct config_group *group);
#endif /* __LINUX_PCI_EPF_H */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 766260a9b247..a76ccb697bef 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -882,6 +882,7 @@
#define PCI_DEVICE_ID_TI_X620 0xac8d
#define PCI_DEVICE_ID_TI_X420 0xac8e
#define PCI_DEVICE_ID_TI_XX20_FM 0xac8f
+#define PCI_DEVICE_ID_TI_J721E 0xb00d
#define PCI_DEVICE_ID_TI_DRA74x 0xb500
#define PCI_DEVICE_ID_TI_DRA72x 0xb501
@@ -2589,6 +2590,8 @@
#define PCI_VENDOR_ID_REDHAT 0x1b36
+#define PCI_VENDOR_ID_SILICOM_DENMARK 0x1c2c
+
#define PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS 0x1c36
#define PCI_VENDOR_ID_CIRCUITCO 0x1cc8
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 02:41:54 +0000