diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/peci/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/peci/Makefile | 2 | ||||
| -rw-r--r-- | drivers/peci/cpu.c | 343 | ||||
| -rw-r--r-- | drivers/peci/device.c | 1 | ||||
| -rw-r--r-- | drivers/peci/internal.h | 27 | ||||
| -rw-r--r-- | drivers/peci/request.c | 213 |
6 files changed, 601 insertions, 0 deletions
diff --git a/drivers/peci/Kconfig b/drivers/peci/Kconfig index 99279df97a78..89872ad83320 100644 --- a/drivers/peci/Kconfig +++ b/drivers/peci/Kconfig @@ -16,6 +16,21 @@ menuconfig PECI if PECI +config PECI_CPU + tristate "PECI CPU" + select AUXILIARY_BUS + help + This option enables peci-cpu driver for Intel processors. It is + responsible for creating auxiliary devices that can subsequently + be used by other drivers in order to perform various + functionalities such as e.g. temperature monitoring. + + Additional drivers must be enabled in order to use the functionality + of the device. + + This driver can also be built as a module. If so, the module + will be called peci-cpu. + source "drivers/peci/controller/Kconfig" endif # PECI diff --git a/drivers/peci/Makefile b/drivers/peci/Makefile index 917f689e147a..7de18137e738 100644 --- a/drivers/peci/Makefile +++ b/drivers/peci/Makefile @@ -3,6 +3,8 @@ # Core functionality peci-y := core.o request.o device.o sysfs.o obj-$(CONFIG_PECI) += peci.o +peci-cpu-y := cpu.o +obj-$(CONFIG_PECI_CPU) += peci-cpu.o # Hardware specific bus drivers obj-y += controller/ diff --git a/drivers/peci/cpu.c b/drivers/peci/cpu.c new file mode 100644 index 000000000000..68eb61c65d34 --- /dev/null +++ b/drivers/peci/cpu.c @@ -0,0 +1,343 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2021 Intel Corporation + +#include <linux/auxiliary_bus.h> +#include <linux/module.h> +#include <linux/peci.h> +#include <linux/peci-cpu.h> +#include <linux/slab.h> + +#include "internal.h" + +/** + * peci_temp_read() - read the maximum die temperature from PECI target device + * @device: PECI device to which request is going to be sent + * @temp_raw: where to store the read temperature + * + * It uses GetTemp PECI command. + * + * Return: 0 if succeeded, other values in case errors. + */ +int peci_temp_read(struct peci_device *device, s16 *temp_raw) +{ + struct peci_request *req; + + req = peci_xfer_get_temp(device); + if (IS_ERR(req)) + return PTR_ERR(req); + + *temp_raw = peci_request_temp_read(req); + + peci_request_free(req); + + return 0; +} +EXPORT_SYMBOL_NS_GPL(peci_temp_read, PECI_CPU); + +/** + * peci_pcs_read() - read PCS register + * @device: PECI device to which request is going to be sent + * @index: PCS index + * @param: PCS parameter + * @data: where to store the read data + * + * It uses RdPkgConfig PECI command. + * + * Return: 0 if succeeded, other values in case errors. + */ +int peci_pcs_read(struct peci_device *device, u8 index, u16 param, u32 *data) +{ + struct peci_request *req; + int ret; + + req = peci_xfer_pkg_cfg_readl(device, index, param); + if (IS_ERR(req)) + return PTR_ERR(req); + + ret = peci_request_status(req); + if (ret) + goto out_req_free; + + *data = peci_request_data_readl(req); +out_req_free: + peci_request_free(req); + + return ret; +} +EXPORT_SYMBOL_NS_GPL(peci_pcs_read, PECI_CPU); + +/** + * peci_pci_local_read() - read 32-bit memory location using raw address + * @device: PECI device to which request is going to be sent + * @bus: bus + * @dev: device + * @func: function + * @reg: register + * @data: where to store the read data + * + * It uses RdPCIConfigLocal PECI command. + * + * Return: 0 if succeeded, other values in case errors. + */ +int peci_pci_local_read(struct peci_device *device, u8 bus, u8 dev, u8 func, + u16 reg, u32 *data) +{ + struct peci_request *req; + int ret; + + req = peci_xfer_pci_cfg_local_readl(device, bus, dev, func, reg); + if (IS_ERR(req)) + return PTR_ERR(req); + + ret = peci_request_status(req); + if (ret) + goto out_req_free; + + *data = peci_request_data_readl(req); +out_req_free: + peci_request_free(req); + + return ret; +} +EXPORT_SYMBOL_NS_GPL(peci_pci_local_read, PECI_CPU); + +/** + * peci_ep_pci_local_read() - read 32-bit memory location using raw address + * @device: PECI device to which request is going to be sent + * @seg: PCI segment + * @bus: bus + * @dev: device + * @func: function + * @reg: register + * @data: where to store the read data + * + * Like &peci_pci_local_read, but it uses RdEndpointConfig PECI command. + * + * Return: 0 if succeeded, other values in case errors. + */ +int peci_ep_pci_local_read(struct peci_device *device, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg, u32 *data) +{ + struct peci_request *req; + int ret; + + req = peci_xfer_ep_pci_cfg_local_readl(device, seg, bus, dev, func, reg); + if (IS_ERR(req)) + return PTR_ERR(req); + + ret = peci_request_status(req); + if (ret) + goto out_req_free; + + *data = peci_request_data_readl(req); +out_req_free: + peci_request_free(req); + + return ret; +} +EXPORT_SYMBOL_NS_GPL(peci_ep_pci_local_read, PECI_CPU); + +/** + * peci_mmio_read() - read 32-bit memory location using 64-bit bar offset address + * @device: PECI device to which request is going to be sent + * @bar: PCI bar + * @seg: PCI segment + * @bus: bus + * @dev: device + * @func: function + * @address: 64-bit MMIO address + * @data: where to store the read data + * + * It uses RdEndpointConfig PECI command. + * + * Return: 0 if succeeded, other values in case errors. + */ +int peci_mmio_read(struct peci_device *device, u8 bar, u8 seg, + u8 bus, u8 dev, u8 func, u64 address, u32 *data) +{ + struct peci_request *req; + int ret; + + req = peci_xfer_ep_mmio64_readl(device, bar, seg, bus, dev, func, address); + if (IS_ERR(req)) + return PTR_ERR(req); + + ret = peci_request_status(req); + if (ret) + goto out_req_free; + + *data = peci_request_data_readl(req); +out_req_free: + peci_request_free(req); + + return ret; +} +EXPORT_SYMBOL_NS_GPL(peci_mmio_read, PECI_CPU); + +static const char * const peci_adev_types[] = { + "cputemp", + "dimmtemp", +}; + +struct peci_cpu { + struct peci_device *device; + const struct peci_device_id *id; +}; + +static void adev_release(struct device *dev) +{ + struct auxiliary_device *adev = to_auxiliary_dev(dev); + + auxiliary_device_uninit(adev); + + kfree(adev->name); + kfree(adev); +} + +static struct auxiliary_device *adev_alloc(struct peci_cpu *priv, int idx) +{ + struct peci_controller *controller = to_peci_controller(priv->device->dev.parent); + struct auxiliary_device *adev; + const char *name; + int ret; + + adev = kzalloc(sizeof(*adev), GFP_KERNEL); + if (!adev) + return ERR_PTR(-ENOMEM); + + name = kasprintf(GFP_KERNEL, "%s.%s", peci_adev_types[idx], (const char *)priv->id->data); + if (!name) { + ret = -ENOMEM; + goto free_adev; + } + + adev->name = name; + adev->dev.parent = &priv->device->dev; + adev->dev.release = adev_release; + adev->id = (controller->id << 16) | (priv->device->addr); + + ret = auxiliary_device_init(adev); + if (ret) + goto free_name; + + return adev; + +free_name: + kfree(name); +free_adev: + kfree(adev); + return ERR_PTR(ret); +} + +static void unregister_adev(void *_adev) +{ + struct auxiliary_device *adev = _adev; + + auxiliary_device_delete(adev); +} + +static int devm_adev_add(struct device *dev, int idx) +{ + struct peci_cpu *priv = dev_get_drvdata(dev); + struct auxiliary_device *adev; + int ret; + + adev = adev_alloc(priv, idx); + if (IS_ERR(adev)) + return PTR_ERR(adev); + + ret = auxiliary_device_add(adev); + if (ret) { + auxiliary_device_uninit(adev); + return ret; + } + + ret = devm_add_action_or_reset(&priv->device->dev, unregister_adev, adev); + if (ret) + return ret; + + return 0; +} + +static void peci_cpu_add_adevices(struct peci_cpu *priv) +{ + struct device *dev = &priv->device->dev; + int ret, i; + + for (i = 0; i < ARRAY_SIZE(peci_adev_types); i++) { + ret = devm_adev_add(dev, i); + if (ret) { + dev_warn(dev, "Failed to register PECI auxiliary: %s, ret = %d\n", + peci_adev_types[i], ret); + continue; + } + } +} + +static int +peci_cpu_probe(struct peci_device *device, const struct peci_device_id *id) +{ + struct device *dev = &device->dev; + struct peci_cpu *priv; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + dev_set_drvdata(dev, priv); + priv->device = device; + priv->id = id; + + peci_cpu_add_adevices(priv); + + return 0; +} + +static const struct peci_device_id peci_cpu_device_ids[] = { + { /* Haswell Xeon */ + .family = 6, + .model = INTEL_FAM6_HASWELL_X, + .data = "hsx", + }, + { /* Broadwell Xeon */ + .family = 6, + .model = INTEL_FAM6_BROADWELL_X, + .data = "bdx", + }, + { /* Broadwell Xeon D */ + .family = 6, + .model = INTEL_FAM6_BROADWELL_D, + .data = "bdxd", + }, + { /* Skylake Xeon */ + .family = 6, + .model = INTEL_FAM6_SKYLAKE_X, + .data = "skx", + }, + { /* Icelake Xeon */ + .family = 6, + .model = INTEL_FAM6_ICELAKE_X, + .data = "icx", + }, + { /* Icelake Xeon D */ + .family = 6, + .model = INTEL_FAM6_ICELAKE_D, + .data = "icxd", + }, + { } +}; +MODULE_DEVICE_TABLE(peci, peci_cpu_device_ids); + +static struct peci_driver peci_cpu_driver = { + .probe = peci_cpu_probe, + .id_table = peci_cpu_device_ids, + .driver = { + .name = "peci-cpu", + }, +}; +module_peci_driver(peci_cpu_driver); + +MODULE_AUTHOR("Iwona Winiarska <iwona.winiarska@intel.com>"); +MODULE_DESCRIPTION("PECI CPU driver"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(PECI); diff --git a/drivers/peci/device.c b/drivers/peci/device.c index 184b5e650b0b..e6b0bffb14f4 100644 --- a/drivers/peci/device.c +++ b/drivers/peci/device.c @@ -3,6 +3,7 @@ #include <linux/bitfield.h> #include <linux/peci.h> +#include <linux/peci-cpu.h> #include <linux/slab.h> #include "internal.h" diff --git a/drivers/peci/internal.h b/drivers/peci/internal.h index 52c02e12874f..9d75ea54504c 100644 --- a/drivers/peci/internal.h +++ b/drivers/peci/internal.h @@ -22,6 +22,7 @@ void peci_request_free(struct peci_request *req); int peci_request_status(struct peci_request *req); u64 peci_request_dib_read(struct peci_request *req); +s16 peci_request_temp_read(struct peci_request *req); u8 peci_request_data_readb(struct peci_request *req); u16 peci_request_data_readw(struct peci_request *req); @@ -36,6 +37,32 @@ struct peci_request *peci_xfer_pkg_cfg_readw(struct peci_device *device, u8 inde struct peci_request *peci_xfer_pkg_cfg_readl(struct peci_device *device, u8 index, u16 param); struct peci_request *peci_xfer_pkg_cfg_readq(struct peci_device *device, u8 index, u16 param); +struct peci_request *peci_xfer_pci_cfg_local_readb(struct peci_device *device, + u8 bus, u8 dev, u8 func, u16 reg); +struct peci_request *peci_xfer_pci_cfg_local_readw(struct peci_device *device, + u8 bus, u8 dev, u8 func, u16 reg); +struct peci_request *peci_xfer_pci_cfg_local_readl(struct peci_device *device, + u8 bus, u8 dev, u8 func, u16 reg); + +struct peci_request *peci_xfer_ep_pci_cfg_local_readb(struct peci_device *device, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg); +struct peci_request *peci_xfer_ep_pci_cfg_local_readw(struct peci_device *device, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg); +struct peci_request *peci_xfer_ep_pci_cfg_local_readl(struct peci_device *device, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg); + +struct peci_request *peci_xfer_ep_pci_cfg_readb(struct peci_device *device, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg); +struct peci_request *peci_xfer_ep_pci_cfg_readw(struct peci_device *device, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg); +struct peci_request *peci_xfer_ep_pci_cfg_readl(struct peci_device *device, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg); + +struct peci_request *peci_xfer_ep_mmio32_readl(struct peci_device *device, u8 bar, u8 seg, + u8 bus, u8 dev, u8 func, u64 offset); + +struct peci_request *peci_xfer_ep_mmio64_readl(struct peci_device *device, u8 bar, u8 seg, + u8 bus, u8 dev, u8 func, u64 offset); /** * struct peci_device_id - PECI device data to match * @data: pointer to driver private data specific to device diff --git a/drivers/peci/request.c b/drivers/peci/request.c index a49eb351cda3..8d6dd7b6b559 100644 --- a/drivers/peci/request.c +++ b/drivers/peci/request.c @@ -3,6 +3,7 @@ #include <linux/bug.h> #include <linux/export.h> +#include <linux/pci.h> #include <linux/peci.h> #include <linux/slab.h> #include <linux/types.h> @@ -15,6 +16,10 @@ #define PECI_GET_DIB_WR_LEN 1 #define PECI_GET_DIB_RD_LEN 8 +#define PECI_GET_TEMP_CMD 0x01 +#define PECI_GET_TEMP_WR_LEN 1 +#define PECI_GET_TEMP_RD_LEN 2 + #define PECI_RDPKGCFG_CMD 0xa1 #define PECI_RDPKGCFG_WR_LEN 5 #define PECI_RDPKGCFG_RD_LEN_BASE 1 @@ -22,6 +27,45 @@ #define PECI_WRPKGCFG_WR_LEN_BASE 6 #define PECI_WRPKGCFG_RD_LEN 1 +#define PECI_RDIAMSR_CMD 0xb1 +#define PECI_RDIAMSR_WR_LEN 5 +#define PECI_RDIAMSR_RD_LEN 9 +#define PECI_WRIAMSR_CMD 0xb5 +#define PECI_RDIAMSREX_CMD 0xd1 +#define PECI_RDIAMSREX_WR_LEN 6 +#define PECI_RDIAMSREX_RD_LEN 9 + +#define PECI_RDPCICFG_CMD 0x61 +#define PECI_RDPCICFG_WR_LEN 6 +#define PECI_RDPCICFG_RD_LEN 5 +#define PECI_RDPCICFG_RD_LEN_MAX 24 +#define PECI_WRPCICFG_CMD 0x65 + +#define PECI_RDPCICFGLOCAL_CMD 0xe1 +#define PECI_RDPCICFGLOCAL_WR_LEN 5 +#define PECI_RDPCICFGLOCAL_RD_LEN_BASE 1 +#define PECI_WRPCICFGLOCAL_CMD 0xe5 +#define PECI_WRPCICFGLOCAL_WR_LEN_BASE 6 +#define PECI_WRPCICFGLOCAL_RD_LEN 1 + +#define PECI_ENDPTCFG_TYPE_LOCAL_PCI 0x03 +#define PECI_ENDPTCFG_TYPE_PCI 0x04 +#define PECI_ENDPTCFG_TYPE_MMIO 0x05 +#define PECI_ENDPTCFG_ADDR_TYPE_PCI 0x04 +#define PECI_ENDPTCFG_ADDR_TYPE_MMIO_D 0x05 +#define PECI_ENDPTCFG_ADDR_TYPE_MMIO_Q 0x06 +#define PECI_RDENDPTCFG_CMD 0xc1 +#define PECI_RDENDPTCFG_PCI_WR_LEN 12 +#define PECI_RDENDPTCFG_MMIO_WR_LEN_BASE 10 +#define PECI_RDENDPTCFG_MMIO_D_WR_LEN 14 +#define PECI_RDENDPTCFG_MMIO_Q_WR_LEN 18 +#define PECI_RDENDPTCFG_RD_LEN_BASE 1 +#define PECI_WRENDPTCFG_CMD 0xc5 +#define PECI_WRENDPTCFG_PCI_WR_LEN_BASE 13 +#define PECI_WRENDPTCFG_MMIO_D_WR_LEN_BASE 15 +#define PECI_WRENDPTCFG_MMIO_Q_WR_LEN_BASE 19 +#define PECI_WRENDPTCFG_RD_LEN 1 + /* Device Specific Completion Code (CC) Definition */ #define PECI_CC_SUCCESS 0x40 #define PECI_CC_NEED_RETRY 0x80 @@ -202,6 +246,27 @@ struct peci_request *peci_xfer_get_dib(struct peci_device *device) } EXPORT_SYMBOL_NS_GPL(peci_xfer_get_dib, PECI); +struct peci_request *peci_xfer_get_temp(struct peci_device *device) +{ + struct peci_request *req; + int ret; + + req = peci_request_alloc(device, PECI_GET_TEMP_WR_LEN, PECI_GET_TEMP_RD_LEN); + if (!req) + return ERR_PTR(-ENOMEM); + + req->tx.buf[0] = PECI_GET_TEMP_CMD; + + ret = peci_request_xfer(req); + if (ret) { + peci_request_free(req); + return ERR_PTR(ret); + } + + return req; +} +EXPORT_SYMBOL_NS_GPL(peci_xfer_get_temp, PECI); + static struct peci_request * __pkg_cfg_read(struct peci_device *device, u8 index, u16 param, u8 len) { @@ -226,6 +291,108 @@ __pkg_cfg_read(struct peci_device *device, u8 index, u16 param, u8 len) return req; } +static u32 __get_pci_addr(u8 bus, u8 dev, u8 func, u16 reg) +{ + return reg | PCI_DEVID(bus, PCI_DEVFN(dev, func)) << 12; +} + +static struct peci_request * +__pci_cfg_local_read(struct peci_device *device, u8 bus, u8 dev, u8 func, u16 reg, u8 len) +{ + struct peci_request *req; + u32 pci_addr; + int ret; + + req = peci_request_alloc(device, PECI_RDPCICFGLOCAL_WR_LEN, + PECI_RDPCICFGLOCAL_RD_LEN_BASE + len); + if (!req) + return ERR_PTR(-ENOMEM); + + pci_addr = __get_pci_addr(bus, dev, func, reg); + + req->tx.buf[0] = PECI_RDPCICFGLOCAL_CMD; + req->tx.buf[1] = 0; + put_unaligned_le24(pci_addr, &req->tx.buf[2]); + + ret = peci_request_xfer_retry(req); + if (ret) { + peci_request_free(req); + return ERR_PTR(ret); + } + + return req; +} + +static struct peci_request * +__ep_pci_cfg_read(struct peci_device *device, u8 msg_type, u8 seg, + u8 bus, u8 dev, u8 func, u16 reg, u8 len) +{ + struct peci_request *req; + u32 pci_addr; + int ret; + + req = peci_request_alloc(device, PECI_RDENDPTCFG_PCI_WR_LEN, + PECI_RDENDPTCFG_RD_LEN_BASE + len); + if (!req) + return ERR_PTR(-ENOMEM); + + pci_addr = __get_pci_addr(bus, dev, func, reg); + + req->tx.buf[0] = PECI_RDENDPTCFG_CMD; + req->tx.buf[1] = 0; + req->tx.buf[2] = msg_type; + req->tx.buf[3] = 0; + req->tx.buf[4] = 0; + req->tx.buf[5] = 0; + req->tx.buf[6] = PECI_ENDPTCFG_ADDR_TYPE_PCI; + req->tx.buf[7] = seg; /* PCI Segment */ + put_unaligned_le32(pci_addr, &req->tx.buf[8]); + + ret = peci_request_xfer_retry(req); + if (ret) { + peci_request_free(req); + return ERR_PTR(ret); + } + + return req; +} + +static struct peci_request * +__ep_mmio_read(struct peci_device *device, u8 bar, u8 addr_type, u8 seg, + u8 bus, u8 dev, u8 func, u64 offset, u8 tx_len, u8 len) +{ + struct peci_request *req; + int ret; + + req = peci_request_alloc(device, tx_len, PECI_RDENDPTCFG_RD_LEN_BASE + len); + if (!req) + return ERR_PTR(-ENOMEM); + + req->tx.buf[0] = PECI_RDENDPTCFG_CMD; + req->tx.buf[1] = 0; + req->tx.buf[2] = PECI_ENDPTCFG_TYPE_MMIO; + req->tx.buf[3] = 0; /* Endpoint ID */ + req->tx.buf[4] = 0; /* Reserved */ + req->tx.buf[5] = bar; + req->tx.buf[6] = addr_type; + req->tx.buf[7] = seg; /* PCI Segment */ + req->tx.buf[8] = PCI_DEVFN(dev, func); + req->tx.buf[9] = bus; /* PCI Bus */ + + if (addr_type == PECI_ENDPTCFG_ADDR_TYPE_MMIO_D) + put_unaligned_le32(offset, &req->tx.buf[10]); + else + put_unaligned_le64(offset, &req->tx.buf[10]); + + ret = peci_request_xfer_retry(req); + if (ret) { + peci_request_free(req); + return ERR_PTR(ret); + } + + return req; +} + u8 peci_request_data_readb(struct peci_request *req) { return req->rx.buf[1]; @@ -256,6 +423,12 @@ u64 peci_request_dib_read(struct peci_request *req) } EXPORT_SYMBOL_NS_GPL(peci_request_dib_read, PECI); +s16 peci_request_temp_read(struct peci_request *req) +{ + return get_unaligned_le16(&req->rx.buf[0]); +} +EXPORT_SYMBOL_NS_GPL(peci_request_temp_read, PECI); + #define __read_pkg_config(x, type) \ struct peci_request *peci_xfer_pkg_cfg_##x(struct peci_device *device, u8 index, u16 param) \ { \ @@ -267,3 +440,43 @@ __read_pkg_config(readb, u8); __read_pkg_config(readw, u16); __read_pkg_config(readl, u32); __read_pkg_config(readq, u64); + +#define __read_pci_config_local(x, type) \ +struct peci_request * \ +peci_xfer_pci_cfg_local_##x(struct peci_device *device, u8 bus, u8 dev, u8 func, u16 reg) \ +{ \ + return __pci_cfg_local_read(device, bus, dev, func, reg, sizeof(type)); \ +} \ +EXPORT_SYMBOL_NS_GPL(peci_xfer_pci_cfg_local_##x, PECI) + +__read_pci_config_local(readb, u8); +__read_pci_config_local(readw, u16); +__read_pci_config_local(readl, u32); + +#define __read_ep_pci_config(x, msg_type, type) \ +struct peci_request * \ +peci_xfer_ep_pci_cfg_##x(struct peci_device *device, u8 seg, u8 bus, u8 dev, u8 func, u16 reg) \ +{ \ + return __ep_pci_cfg_read(device, msg_type, seg, bus, dev, func, reg, sizeof(type)); \ +} \ +EXPORT_SYMBOL_NS_GPL(peci_xfer_ep_pci_cfg_##x, PECI) + +__read_ep_pci_config(local_readb, PECI_ENDPTCFG_TYPE_LOCAL_PCI, u8); +__read_ep_pci_config(local_readw, PECI_ENDPTCFG_TYPE_LOCAL_PCI, u16); +__read_ep_pci_config(local_readl, PECI_ENDPTCFG_TYPE_LOCAL_PCI, u32); +__read_ep_pci_config(readb, PECI_ENDPTCFG_TYPE_PCI, u8); +__read_ep_pci_config(readw, PECI_ENDPTCFG_TYPE_PCI, u16); +__read_ep_pci_config(readl, PECI_ENDPTCFG_TYPE_PCI, u32); + +#define __read_ep_mmio(x, y, addr_type, type1, type2) \ +struct peci_request *peci_xfer_ep_mmio##y##_##x(struct peci_device *device, u8 bar, u8 seg, \ + u8 bus, u8 dev, u8 func, u64 offset) \ +{ \ + return __ep_mmio_read(device, bar, addr_type, seg, bus, dev, func, \ + offset, PECI_RDENDPTCFG_MMIO_WR_LEN_BASE + sizeof(type1), \ + sizeof(type2)); \ +} \ +EXPORT_SYMBOL_NS_GPL(peci_xfer_ep_mmio##y##_##x, PECI) + +__read_ep_mmio(readl, 32, PECI_ENDPTCFG_ADDR_TYPE_MMIO_D, u32, u32); +__read_ep_mmio(readl, 64, PECI_ENDPTCFG_ADDR_TYPE_MMIO_Q, u64, u32); |