diff options
| -rw-r--r-- | drivers/cxl/core/pci.c | 27 | ||||
| -rw-r--r-- | drivers/cxl/cxlmem.h | 3 | ||||
| -rw-r--r-- | drivers/cxl/pci.c | 49 |
3 files changed, 5 insertions, 74 deletions
diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c index 8575eaadd522..c868f4a2f1de 100644 --- a/drivers/cxl/core/pci.c +++ b/drivers/cxl/core/pci.c @@ -441,27 +441,6 @@ EXPORT_SYMBOL_NS_GPL(cxl_hdm_decode_init, CXL); #define CXL_DOE_TABLE_ACCESS_LAST_ENTRY 0xffff #define CXL_DOE_PROTOCOL_TABLE_ACCESS 2 -static struct pci_doe_mb *find_cdat_doe(struct device *uport) -{ - struct cxl_memdev *cxlmd; - struct cxl_dev_state *cxlds; - unsigned long index; - void *entry; - - cxlmd = to_cxl_memdev(uport); - cxlds = cxlmd->cxlds; - - xa_for_each(&cxlds->doe_mbs, index, entry) { - struct pci_doe_mb *cur = entry; - - if (pci_doe_supports_prot(cur, PCI_DVSEC_VENDOR_ID_CXL, - CXL_DOE_PROTOCOL_TABLE_ACCESS)) - return cur; - } - - return NULL; -} - #define CDAT_DOE_REQ(entry_handle) cpu_to_le32 \ (FIELD_PREP(CXL_DOE_TABLE_ACCESS_REQ_CODE, \ CXL_DOE_TABLE_ACCESS_REQ_CODE_READ) | \ @@ -559,10 +538,14 @@ void read_cdat_data(struct cxl_port *port) struct pci_doe_mb *cdat_doe; struct device *dev = &port->dev; struct device *uport = port->uport; + struct cxl_memdev *cxlmd = to_cxl_memdev(uport); + struct cxl_dev_state *cxlds = cxlmd->cxlds; + struct pci_dev *pdev = to_pci_dev(cxlds->dev); size_t cdat_length; int rc; - cdat_doe = find_cdat_doe(uport); + cdat_doe = pci_find_doe_mailbox(pdev, PCI_DVSEC_VENDOR_ID_CXL, + CXL_DOE_PROTOCOL_TABLE_ACCESS); if (!cdat_doe) { dev_dbg(dev, "No CDAT mailbox\n"); return; diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index 090acebba4fa..001dabf0231b 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -249,7 +249,6 @@ struct cxl_event_state { * @component_reg_phys: register base of component registers * @info: Cached DVSEC information about the device. * @serial: PCIe Device Serial Number - * @doe_mbs: PCI DOE mailbox array * @event: event log driver state * @mbox_send: @dev specific transport for transmitting mailbox commands * @@ -287,8 +286,6 @@ struct cxl_dev_state { resource_size_t component_reg_phys; u64 serial; - struct xarray doe_mbs; - struct cxl_event_state event; int (*mbox_send)(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd); diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c index 60b23624d167..ea38bd49b0cf 100644 --- a/drivers/cxl/pci.c +++ b/drivers/cxl/pci.c @@ -8,7 +8,6 @@ #include <linux/mutex.h> #include <linux/list.h> #include <linux/pci.h> -#include <linux/pci-doe.h> #include <linux/aer.h> #include <linux/io.h> #include "cxlmem.h" @@ -357,52 +356,6 @@ static int cxl_setup_regs(struct pci_dev *pdev, enum cxl_regloc_type type, return rc; } -static void cxl_pci_destroy_doe(void *mbs) -{ - xa_destroy(mbs); -} - -static void devm_cxl_pci_create_doe(struct cxl_dev_state *cxlds) -{ - struct device *dev = cxlds->dev; - struct pci_dev *pdev = to_pci_dev(dev); - u16 off = 0; - - xa_init(&cxlds->doe_mbs); - if (devm_add_action(&pdev->dev, cxl_pci_destroy_doe, &cxlds->doe_mbs)) { - dev_err(dev, "Failed to create XArray for DOE's\n"); - return; - } - - /* - * Mailbox creation is best effort. Higher layers must determine if - * the lack of a mailbox for their protocol is a device failure or not. - */ - pci_doe_for_each_off(pdev, off) { - struct pci_doe_mb *doe_mb; - - doe_mb = pcim_doe_create_mb(pdev, off); - if (IS_ERR(doe_mb)) { - dev_err(dev, "Failed to create MB object for MB @ %x\n", - off); - continue; - } - - if (!pci_request_config_region_exclusive(pdev, off, - PCI_DOE_CAP_SIZEOF, - dev_name(dev))) - pci_err(pdev, "Failed to exclude DOE registers\n"); - - if (xa_insert(&cxlds->doe_mbs, off, doe_mb, GFP_KERNEL)) { - dev_err(dev, "xa_insert failed to insert MB @ %x\n", - off); - continue; - } - - dev_dbg(dev, "Created DOE mailbox @%x\n", off); - } -} - /* * Assume that any RCIEP that emits the CXL memory expander class code * is an RCD @@ -750,8 +703,6 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) cxlds->component_reg_phys = map.resource; - devm_cxl_pci_create_doe(cxlds); - rc = cxl_map_component_regs(&pdev->dev, &cxlds->regs.component, &map, BIT(CXL_CM_CAP_CAP_ID_RAS)); if (rc) |