From a43b9ec091b1b1924ea18883a715e5aadba2543e Mon Sep 17 00:00:00 2001 From: Tony Luck Date: Wed, 29 May 2024 10:19:20 -0700 Subject: [PATCH] peci, hwmon: Switch to new Intel CPU model defines Update peci subsystem to use the same vendor-family-model combined definition that core x86 code uses. Signed-off-by: Tony Luck Acked-by: Guenter Roeck Reviewed-by: Iwona Winiarska Link: https://lore.kernel.org/r/20240529171920.62571-1-tony.luck@intel.com Signed-off-by: Iwona Winiarska --- drivers/hwmon/peci/cputemp.c | 8 ++++---- drivers/peci/core.c | 5 ++--- drivers/peci/cpu.c | 21 +++++++-------------- drivers/peci/device.c | 3 +-- drivers/peci/internal.h | 6 ++---- include/linux/peci-cpu.h | 24 ++++++++++++++++++++++++ include/linux/peci.h | 6 ++---- 7 files changed, 42 insertions(+), 31 deletions(-) diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c index a812c15948d9..5a682195b98f 100644 --- a/drivers/hwmon/peci/cputemp.c +++ b/drivers/hwmon/peci/cputemp.c @@ -360,10 +360,10 @@ static int init_core_mask(struct peci_cputemp *priv) int ret; /* Get the RESOLVED_CORES register value */ - switch (peci_dev->info.model) { - case INTEL_FAM6_ICELAKE_X: - case INTEL_FAM6_ICELAKE_D: - case INTEL_FAM6_SAPPHIRERAPIDS_X: + switch (peci_dev->info.x86_vfm) { + case INTEL_ICELAKE_X: + case INTEL_ICELAKE_D: + case INTEL_SAPPHIRERAPIDS_X: ret = peci_ep_pci_local_read(peci_dev, 0, reg->bus, reg->dev, reg->func, reg->offset + 4, &data); if (ret) diff --git a/drivers/peci/core.c b/drivers/peci/core.c index 8f8bda2f2a62..8ff3e5d225ae 100644 --- a/drivers/peci/core.c +++ b/drivers/peci/core.c @@ -163,9 +163,8 @@ EXPORT_SYMBOL_NS_GPL(devm_peci_controller_add, PECI); static const struct peci_device_id * peci_bus_match_device_id(const struct peci_device_id *id, struct peci_device *device) { - while (id->family != 0) { - if (id->family == device->info.family && - id->model == device->info.model) + while (id->x86_vfm != 0) { + if (id->x86_vfm == device->info.x86_vfm) return id; id++; } diff --git a/drivers/peci/cpu.c b/drivers/peci/cpu.c index bd990acd92b8..152bbd8e717a 100644 --- a/drivers/peci/cpu.c +++ b/drivers/peci/cpu.c @@ -294,38 +294,31 @@ peci_cpu_probe(struct peci_device *device, const struct peci_device_id *id) static const struct peci_device_id peci_cpu_device_ids[] = { { /* Haswell Xeon */ - .family = 6, - .model = INTEL_FAM6_HASWELL_X, + .x86_vfm = INTEL_HASWELL_X, .data = "hsx", }, { /* Broadwell Xeon */ - .family = 6, - .model = INTEL_FAM6_BROADWELL_X, + .x86_vfm = INTEL_BROADWELL_X, .data = "bdx", }, { /* Broadwell Xeon D */ - .family = 6, - .model = INTEL_FAM6_BROADWELL_D, + .x86_vfm = INTEL_BROADWELL_D, .data = "bdxd", }, { /* Skylake Xeon */ - .family = 6, - .model = INTEL_FAM6_SKYLAKE_X, + .x86_vfm = INTEL_SKYLAKE_X, .data = "skx", }, { /* Icelake Xeon */ - .family = 6, - .model = INTEL_FAM6_ICELAKE_X, + .x86_vfm = INTEL_ICELAKE_X, .data = "icx", }, { /* Icelake Xeon D */ - .family = 6, - .model = INTEL_FAM6_ICELAKE_D, + .x86_vfm = INTEL_ICELAKE_D, .data = "icxd", }, { /* Sapphire Rapids Xeon */ - .family = 6, - .model = INTEL_FAM6_SAPPHIRERAPIDS_X, + .x86_vfm = INTEL_SAPPHIRERAPIDS_X, .data = "spr", }, { } diff --git a/drivers/peci/device.c b/drivers/peci/device.c index ee01f03c29b7..37ca7dd61807 100644 --- a/drivers/peci/device.c +++ b/drivers/peci/device.c @@ -100,8 +100,7 @@ static int peci_device_info_init(struct peci_device *device) if (ret) return ret; - device->info.family = peci_x86_cpu_family(cpu_id); - device->info.model = peci_x86_cpu_model(cpu_id); + device->info.x86_vfm = IFM(peci_x86_cpu_family(cpu_id), peci_x86_cpu_model(cpu_id)); ret = peci_get_revision(device, &revision); if (ret) diff --git a/drivers/peci/internal.h b/drivers/peci/internal.h index 506bafcccbbf..7a4f6eae2f90 100644 --- a/drivers/peci/internal.h +++ b/drivers/peci/internal.h @@ -66,13 +66,11 @@ struct peci_request *peci_xfer_ep_mmio64_readl(struct peci_device *device, u8 ba /** * struct peci_device_id - PECI device data to match * @data: pointer to driver private data specific to device - * @family: device family - * @model: device model + * @x86_vfm: device vendor-family-model */ struct peci_device_id { const void *data; - u16 family; - u8 model; + u32 x86_vfm; }; extern const struct device_type peci_device_type; diff --git a/include/linux/peci-cpu.h b/include/linux/peci-cpu.h index ff8ae9c26c80..601cdd086bf6 100644 --- a/include/linux/peci-cpu.h +++ b/include/linux/peci-cpu.h @@ -6,6 +6,30 @@ #include +/* Copied from x86 */ +#define X86_VENDOR_INTEL 0 + +/* Copied from x86 */ +#define VFM_MODEL_BIT 0 +#define VFM_FAMILY_BIT 8 +#define VFM_VENDOR_BIT 16 +#define VFM_RSVD_BIT 24 + +#define VFM_MODEL_MASK GENMASK(VFM_FAMILY_BIT - 1, VFM_MODEL_BIT) +#define VFM_FAMILY_MASK GENMASK(VFM_VENDOR_BIT - 1, VFM_FAMILY_BIT) +#define VFM_VENDOR_MASK GENMASK(VFM_RSVD_BIT - 1, VFM_VENDOR_BIT) + +#define VFM_MODEL(vfm) (((vfm) & VFM_MODEL_MASK) >> VFM_MODEL_BIT) +#define VFM_FAMILY(vfm) (((vfm) & VFM_FAMILY_MASK) >> VFM_FAMILY_BIT) +#define VFM_VENDOR(vfm) (((vfm) & VFM_VENDOR_MASK) >> VFM_VENDOR_BIT) + +#define VFM_MAKE(_vendor, _family, _model) ( \ + ((_model) << VFM_MODEL_BIT) | \ + ((_family) << VFM_FAMILY_BIT) | \ + ((_vendor) << VFM_VENDOR_BIT) \ +) +/* End of copied code */ + #include "../../arch/x86/include/asm/intel-family.h" #define PECI_PCS_PKG_ID 0 /* Package Identifier Read */ diff --git a/include/linux/peci.h b/include/linux/peci.h index 90e241458ef6..3e0bc37591d6 100644 --- a/include/linux/peci.h +++ b/include/linux/peci.h @@ -59,8 +59,7 @@ static inline struct peci_controller *to_peci_controller(void *d) * struct peci_device - PECI device * @dev: device object to register PECI device to the device model * @info: PECI device characteristics - * @info.family: device family - * @info.model: device model + * @info.x86_vfm: device vendor-family-model * @info.peci_revision: PECI revision supported by the PECI device * @info.socket_id: the socket ID represented by the PECI device * @addr: address used on the PECI bus connected to the parent controller @@ -73,8 +72,7 @@ static inline struct peci_controller *to_peci_controller(void *d) struct peci_device { struct device dev; struct { - u16 family; - u8 model; + u32 x86_vfm; u8 peci_revision; u8 socket_id; } info;