Commit 52d52440 authored by James Smart's avatar James Smart Committed by James Bottomley

[SCSI] lpfc 8.3.24: Add request-firmware support

Add request-firmware support:
- Add support for request_firmware interface for INTF2 SLI4 ports.
- Add ability to reset SLI4 INTF2 ports.
Signed-off-by: default avatarAlex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <jbottomley@parallels.com>
parent 912e3acd
......@@ -755,18 +755,18 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
}
/**
* lpfc_sli4_fw_dump_request - Request firmware to perform a firmware dump
* lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
* @phba: lpfc_hba pointer.
*
* Description:
* Request SLI4 interface type-2 device to perform a dump of firmware dump
* object into it's /dbg directory of the flash file system.
* Request SLI4 interface type-2 device to perform a physical register set
* access.
*
* Returns:
* zero for success
**/
static ssize_t
lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
{
struct completion online_compl;
uint32_t reg_val;
......@@ -776,6 +776,11 @@ lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
if (!phba->cfg_enable_hba_reset)
return -EIO;
if ((phba->sli_rev < LPFC_SLI_REV4) ||
(bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2))
return -EPERM;
status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
if (status != 0)
......@@ -786,7 +791,14 @@ lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
LPFC_CTL_PDEV_CTL_OFFSET);
if (opcode == LPFC_FW_DUMP)
reg_val |= LPFC_FW_DUMP_REQUEST;
else if (opcode == LPFC_FW_RESET)
reg_val |= LPFC_CTL_PDEV_CTL_FRST;
else if (opcode == LPFC_DV_RESET)
reg_val |= LPFC_CTL_PDEV_CTL_DRST;
writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
LPFC_CTL_PDEV_CTL_OFFSET);
/* flush */
......@@ -904,12 +916,11 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
else
status = lpfc_do_offline(phba, LPFC_EVT_KILL);
else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
if ((phba->sli_rev < LPFC_SLI_REV4) ||
(bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2))
return -EPERM;
else
status = lpfc_sli4_fw_dump_request(phba);
status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
else
return -EINVAL;
......
......@@ -430,5 +430,6 @@ void lpfc_cleanup_wt_rrqs(struct lpfc_hba *);
void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
uint32_t);
int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
/* functions to support SR-IOV */
int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
......@@ -821,6 +821,7 @@ struct mbox_header {
#define LPFC_MBOX_OPCODE_MQ_CREATE_EXT 0x5A
#define LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG 0xA0
#define LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG 0xA4
#define LPFC_MBOX_OPCODE_WRITE_OBJECT 0xAC
#define LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS 0xB5
/* FCoE Opcodes */
......@@ -2372,6 +2373,29 @@ struct lpfc_mbx_get_prof_cfg {
#define MB_CEQ_STATUS_QUEUE_FLUSHING 0x4
#define MB_CQE_STATUS_DMA_FAILED 0x5
#define LPFC_MBX_WR_CONFIG_MAX_BDE 8
struct lpfc_mbx_wr_object {
struct mbox_header header;
union {
struct {
uint32_t word4;
#define lpfc_wr_object_eof_SHIFT 31
#define lpfc_wr_object_eof_MASK 0x00000001
#define lpfc_wr_object_eof_WORD word4
#define lpfc_wr_object_write_length_SHIFT 0
#define lpfc_wr_object_write_length_MASK 0x00FFFFFF
#define lpfc_wr_object_write_length_WORD word4
uint32_t write_offset;
uint32_t object_name[26];
uint32_t bde_count;
struct ulp_bde64 bde[LPFC_MBX_WR_CONFIG_MAX_BDE];
} request;
struct {
uint32_t actual_write_length;
} response;
} u;
};
/* mailbox queue entry structure */
struct lpfc_mqe {
uint32_t word0;
......@@ -2421,6 +2445,7 @@ struct lpfc_mqe {
struct lpfc_mbx_get_func_cfg get_func_cfg;
struct lpfc_mbx_get_prof_cfg get_prof_cfg;
struct lpfc_mbx_nop nop;
struct lpfc_mbx_wr_object wr_object;
} un;
};
......@@ -2966,9 +2991,28 @@ union lpfc_wqe {
struct gen_req64_wqe gen_req;
};
#define LPFC_GROUP_OJECT_MAGIC_NUM 0xfeaa0001
#define LPFC_FILE_TYPE_GROUP 0xf7
#define LPFC_FILE_ID_GROUP 0xa2
struct lpfc_grp_hdr {
uint32_t size;
uint32_t magic_number;
uint32_t word2;
#define lpfc_grp_hdr_file_type_SHIFT 24
#define lpfc_grp_hdr_file_type_MASK 0x000000FF
#define lpfc_grp_hdr_file_type_WORD word2
#define lpfc_grp_hdr_id_SHIFT 16
#define lpfc_grp_hdr_id_MASK 0x000000FF
#define lpfc_grp_hdr_id_WORD word2
uint8_t rev_name[128];
};
#define FCP_COMMAND 0x0
#define FCP_COMMAND_DATA_OUT 0x1
#define ELS_COMMAND_NON_FIP 0xC
#define ELS_COMMAND_FIP 0xD
#define OTHER_COMMAND 0x8
#define LPFC_FW_DUMP 1
#define LPFC_FW_RESET 2
#define LPFC_DV_RESET 3
......@@ -30,6 +30,7 @@
#include <linux/ctype.h>
#include <linux/aer.h>
#include <linux/slab.h>
#include <linux/firmware.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
......@@ -8774,6 +8775,97 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
return 0;
}
/**
* lpfc_write_firmware - attempt to write a firmware image to the port
* @phba: pointer to lpfc hba data structure.
* @fw: pointer to firmware image returned from request_firmware.
*
* returns the number of bytes written if write is successful.
* returns a negative error value if there were errors.
* returns 0 if firmware matches currently active firmware on port.
**/
int
lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
{
char fwrev[32];
struct lpfc_grp_hdr *image = (struct lpfc_grp_hdr *)fw->data;
struct list_head dma_buffer_list;
int i, rc = 0;
struct lpfc_dmabuf *dmabuf, *next;
uint32_t offset = 0, temp_offset = 0;
INIT_LIST_HEAD(&dma_buffer_list);
if ((image->magic_number != LPFC_GROUP_OJECT_MAGIC_NUM) ||
(bf_get(lpfc_grp_hdr_file_type, image) != LPFC_FILE_TYPE_GROUP) ||
(bf_get(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
(image->size != fw->size)) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"3022 Invalid FW image found. "
"Magic:%d Type:%x ID:%x\n",
image->magic_number,
bf_get(lpfc_grp_hdr_file_type, image),
bf_get(lpfc_grp_hdr_id, image));
return -EINVAL;
}
lpfc_decode_firmware_rev(phba, fwrev, 1);
if (strncmp(fwrev, image->rev_name, strnlen(fwrev, 16))) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"3023 Updating Firmware. Current Version:%s "
"New Version:%s\n",
fwrev, image->rev_name);
for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
GFP_KERNEL);
if (!dmabuf) {
rc = -ENOMEM;
goto out;
}
dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
SLI4_PAGE_SIZE,
&dmabuf->phys,
GFP_KERNEL);
if (!dmabuf->virt) {
kfree(dmabuf);
rc = -ENOMEM;
goto out;
}
list_add_tail(&dmabuf->list, &dma_buffer_list);
}
while (offset < fw->size) {
temp_offset = offset;
list_for_each_entry(dmabuf, &dma_buffer_list, list) {
if (offset + SLI4_PAGE_SIZE > fw->size) {
temp_offset += fw->size - offset;
memcpy(dmabuf->virt,
fw->data + temp_offset,
fw->size - offset);
break;
}
temp_offset += SLI4_PAGE_SIZE;
memcpy(dmabuf->virt, fw->data + temp_offset,
SLI4_PAGE_SIZE);
}
rc = lpfc_wr_object(phba, &dma_buffer_list,
(fw->size - offset), &offset);
if (rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"3024 Firmware update failed. "
"%d\n", rc);
goto out;
}
}
rc = offset;
}
out:
list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
list_del(&dmabuf->list);
dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
dmabuf->virt, dmabuf->phys);
kfree(dmabuf);
}
return rc;
}
/**
* lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
* @pdev: pointer to PCI device
......@@ -8803,6 +8895,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
int mcnt;
int adjusted_fcp_eq_count;
int fcp_qidx;
const struct firmware *fw;
uint8_t file_name[16];
/* Allocate memory for HBA structure */
phba = lpfc_hba_alloc(pdev);
......@@ -8957,6 +9051,14 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
/* Perform post initialization setup */
lpfc_post_init_setup(phba);
/* check for firmware upgrade or downgrade */
snprintf(file_name, 16, "%s.grp", phba->ModelName);
error = request_firmware(&fw, file_name, &phba->pcidev->dev);
if (!error) {
lpfc_write_firmware(phba, fw);
release_firmware(fw);
}
/* Check if there are static vports to be created. */
lpfc_create_static_vport(phba);
......
......@@ -13499,6 +13499,96 @@ lpfc_sli_read_link_ste(struct lpfc_hba *phba)
return;
}
/**
* lpfc_wr_object - write an object to the firmware
* @phba: HBA structure that indicates port to create a queue on.
* @dmabuf_list: list of dmabufs to write to the port.
* @size: the total byte value of the objects to write to the port.
* @offset: the current offset to be used to start the transfer.
*
* This routine will create a wr_object mailbox command to send to the port.
* the mailbox command will be constructed using the dma buffers described in
* @dmabuf_list to create a list of BDEs. This routine will fill in as many
* BDEs that the imbedded mailbox can support. The @offset variable will be
* used to indicate the starting offset of the transfer and will also return
* the offset after the write object mailbox has completed. @size is used to
* determine the end of the object and whether the eof bit should be set.
*
* Return 0 is successful and offset will contain the the new offset to use
* for the next write.
* Return negative value for error cases.
**/
int
lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list,
uint32_t size, uint32_t *offset)
{
struct lpfc_mbx_wr_object *wr_object;
LPFC_MBOXQ_t *mbox;
int rc = 0, i = 0;
uint32_t shdr_status, shdr_add_status;
uint32_t mbox_tmo;
union lpfc_sli4_cfg_shdr *shdr;
struct lpfc_dmabuf *dmabuf;
uint32_t written = 0;
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
return -ENOMEM;
lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
LPFC_MBOX_OPCODE_WRITE_OBJECT,
sizeof(struct lpfc_mbx_wr_object) -
sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED);
wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object;
wr_object->u.request.write_offset = *offset;
sprintf((uint8_t *)wr_object->u.request.object_name, "/");
wr_object->u.request.object_name[0] =
cpu_to_le32(wr_object->u.request.object_name[0]);
bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0);
list_for_each_entry(dmabuf, dmabuf_list, list) {
if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size)
break;
wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys);
wr_object->u.request.bde[i].addrHigh =
putPaddrHigh(dmabuf->phys);
if (written + SLI4_PAGE_SIZE >= size) {
wr_object->u.request.bde[i].tus.f.bdeSize =
(size - written);
written += (size - written);
bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1);
} else {
wr_object->u.request.bde[i].tus.f.bdeSize =
SLI4_PAGE_SIZE;
written += SLI4_PAGE_SIZE;
}
i++;
}
wr_object->u.request.bde_count = i;
bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written);
if (!phba->sli4_hba.intr_enable)
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
else {
mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
}
/* The IOCTL status is embedded in the mailbox subheader. */
shdr = (union lpfc_sli4_cfg_shdr *) &wr_object->header.cfg_shdr;
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
if (rc != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
if (shdr_status || shdr_add_status || rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"3025 Write Object mailbox failed with "
"status x%x add_status x%x, mbx status x%x\n",
shdr_status, shdr_add_status, rc);
rc = -ENXIO;
} else
*offset += wr_object->u.response.actual_write_length;
return rc;
}
/**
* lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
* @vport: pointer to vport data structure.
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment