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[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - Base Support
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Adds new hardware and interface definitions.

Adds new interface routines - utilizing the reorganized layout of the
driver. Adds SLI-4 specific functions for attachment, initialization,
teardown, etc.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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James Smart authored and James Bottomley committed Jun 8, 2009
1 parent 3772a99 commit da0436e
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Showing 19 changed files with 9,170 additions and 996 deletions.
49 changes: 44 additions & 5 deletions drivers/scsi/lpfc/lpfc.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -105,9 +105,11 @@ struct lpfc_dma_pool {
};

struct hbq_dmabuf {
struct lpfc_dmabuf hbuf;
struct lpfc_dmabuf dbuf;
uint32_t size;
uint32_t tag;
struct lpfc_rcqe rcqe;
};

/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
Expand Down Expand Up @@ -141,7 +143,10 @@ typedef struct lpfc_vpd {
} rev;
struct {
#ifdef __BIG_ENDIAN_BITFIELD
uint32_t rsvd2 :24; /* Reserved */
uint32_t rsvd3 :19; /* Reserved */
uint32_t cdss : 1; /* Configure Data Security SLI */
uint32_t rsvd2 : 3; /* Reserved */
uint32_t cbg : 1; /* Configure BlockGuard */
uint32_t cmv : 1; /* Configure Max VPIs */
uint32_t ccrp : 1; /* Config Command Ring Polling */
uint32_t csah : 1; /* Configure Synchronous Abort Handling */
Expand All @@ -159,7 +164,10 @@ typedef struct lpfc_vpd {
uint32_t csah : 1; /* Configure Synchronous Abort Handling */
uint32_t ccrp : 1; /* Config Command Ring Polling */
uint32_t cmv : 1; /* Configure Max VPIs */
uint32_t rsvd2 :24; /* Reserved */
uint32_t cbg : 1; /* Configure BlockGuard */
uint32_t rsvd2 : 3; /* Reserved */
uint32_t cdss : 1; /* Configure Data Security SLI */
uint32_t rsvd3 :19; /* Reserved */
#endif
} sli3Feat;
} lpfc_vpd_t;
Expand Down Expand Up @@ -280,6 +288,9 @@ struct lpfc_vport {
enum discovery_state port_state;

uint16_t vpi;
uint16_t vfi;
uint8_t vfi_state;
#define LPFC_VFI_REGISTERED 0x1

uint32_t fc_flag; /* FC flags */
/* Several of these flags are HBA centric and should be moved to
Expand Down Expand Up @@ -392,6 +403,9 @@ struct lpfc_vport {
#endif
uint8_t stat_data_enabled;
uint8_t stat_data_blocked;
struct list_head rcv_buffer_list;
uint32_t vport_flag;
#define STATIC_VPORT 1
};

struct hbq_s {
Expand Down Expand Up @@ -494,6 +508,7 @@ struct lpfc_hba {
#define LPFC_SLI3_CRP_ENABLED 0x08
#define LPFC_SLI3_INB_ENABLED 0x10
#define LPFC_SLI3_BG_ENABLED 0x20
#define LPFC_SLI3_DSS_ENABLED 0x40
uint32_t iocb_cmd_size;
uint32_t iocb_rsp_size;

Expand All @@ -507,8 +522,13 @@ struct lpfc_hba {

uint32_t hba_flag; /* hba generic flags */
#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */

#define DEFER_ERATT 0x4 /* Deferred error attention in progress */
#define DEFER_ERATT 0x2 /* Deferred error attention in progress */
#define HBA_FCOE_SUPPORT 0x4 /* HBA function supports FCOE */
#define HBA_RECEIVE_BUFFER 0x8 /* Rcv buffer posted to worker thread */
#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
#define FCP_XRI_ABORT_EVENT 0x20
#define ELS_XRI_ABORT_EVENT 0x40
#define ASYNC_EVENT 0x80
struct lpfc_dmabuf slim2p;

MAILBOX_t *mbox;
Expand Down Expand Up @@ -567,6 +587,9 @@ struct lpfc_hba {
uint32_t cfg_poll;
uint32_t cfg_poll_tmo;
uint32_t cfg_use_msi;
uint32_t cfg_fcp_imax;
uint32_t cfg_fcp_wq_count;
uint32_t cfg_fcp_eq_count;
uint32_t cfg_sg_seg_cnt;
uint32_t cfg_prot_sg_seg_cnt;
uint32_t cfg_sg_dma_buf_size;
Expand All @@ -576,6 +599,8 @@ struct lpfc_hba {
uint32_t cfg_enable_hba_reset;
uint32_t cfg_enable_hba_heartbeat;
uint32_t cfg_enable_bg;
uint32_t cfg_enable_fip;
uint32_t cfg_log_verbose;

lpfc_vpd_t vpd; /* vital product data */

Expand Down Expand Up @@ -659,7 +684,8 @@ struct lpfc_hba {
/* pci_mem_pools */
struct pci_pool *lpfc_scsi_dma_buf_pool;
struct pci_pool *lpfc_mbuf_pool;
struct pci_pool *lpfc_hbq_pool;
struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
struct lpfc_dma_pool lpfc_mbuf_safety_pool;

mempool_t *mbox_mem_pool;
Expand All @@ -675,6 +701,14 @@ struct lpfc_hba {
struct lpfc_vport *pport; /* physical lpfc_vport pointer */
uint16_t max_vpi; /* Maximum virtual nports */
#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
uint16_t max_vports; /*
* For IOV HBAs max_vpi can change
* after a reset. max_vports is max
* number of vports present. This can
* be greater than max_vpi.
*/
uint16_t vpi_base;
uint16_t vfi_base;
unsigned long *vpi_bmask; /* vpi allocation table */

/* Data structure used by fabric iocb scheduler */
Expand Down Expand Up @@ -733,6 +767,11 @@ struct lpfc_hba {
/* Maximum number of events that can be outstanding at any time*/
#define LPFC_MAX_EVT_COUNT 512
atomic_t fast_event_count;
struct lpfc_fcf fcf;
uint8_t fc_map[3];
uint8_t valid_vlan;
uint16_t vlan_id;
struct list_head fcf_conn_rec_list;
};

static inline struct Scsi_Host *
Expand Down
83 changes: 67 additions & 16 deletions drivers/scsi/lpfc/lpfc_attr.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,10 @@
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport_fc.h>

#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_sli4.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
Expand Down Expand Up @@ -828,18 +830,37 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
return 0;
}

if (mrpi)
*mrpi = pmb->un.varRdConfig.max_rpi;
if (arpi)
*arpi = pmb->un.varRdConfig.avail_rpi;
if (mxri)
*mxri = pmb->un.varRdConfig.max_xri;
if (axri)
*axri = pmb->un.varRdConfig.avail_xri;
if (mvpi)
*mvpi = pmb->un.varRdConfig.max_vpi;
if (avpi)
*avpi = pmb->un.varRdConfig.avail_vpi;
if (phba->sli_rev == LPFC_SLI_REV4) {
rd_config = &pmboxq->u.mqe.un.rd_config;
if (mrpi)
*mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
if (arpi)
*arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
phba->sli4_hba.max_cfg_param.rpi_used;
if (mxri)
*mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
if (axri)
*axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
phba->sli4_hba.max_cfg_param.xri_used;
if (mvpi)
*mvpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
if (avpi)
*avpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) -
phba->sli4_hba.max_cfg_param.vpi_used;
} else {
if (mrpi)
*mrpi = pmb->un.varRdConfig.max_rpi;
if (arpi)
*arpi = pmb->un.varRdConfig.avail_rpi;
if (mxri)
*mxri = pmb->un.varRdConfig.max_xri;
if (axri)
*axri = pmb->un.varRdConfig.avail_xri;
if (mvpi)
*mvpi = pmb->un.varRdConfig.max_vpi;
if (avpi)
*avpi = pmb->un.varRdConfig.avail_vpi;
}

mempool_free(pmboxq, phba->mbox_mem_pool);
return 1;
Expand Down Expand Up @@ -2844,14 +2865,38 @@ LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
/*
# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
# support this feature
# 0 = MSI disabled
# 0 = MSI disabled (default)
# 1 = MSI enabled
# 2 = MSI-X enabled (default)
# Value range is [0,2]. Default value is 2.
# 2 = MSI-X enabled
# Value range is [0,2]. Default value is 0.
*/
LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or "
"MSI-X (2), if possible");

/*
# lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
#
# Value range is [636,651042]. Default value is 10000.
*/
LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST,
"Set the maximum number of fast-path FCP interrupts per second");

/*
# lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
#
# Value range is [1,31]. Default value is 4.
*/
LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX,
"Set the number of fast-path FCP work queues, if possible");

/*
# lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
#
# Value range is [1,7]. Default value is 1.
*/
LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX,
"Set the number of fast-path FCP event queues, if possible");

/*
# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
# 0 = HBA resets disabled
Expand Down Expand Up @@ -2969,6 +3014,9 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_poll,
&dev_attr_lpfc_poll_tmo,
&dev_attr_lpfc_use_msi,
&dev_attr_lpfc_fcp_imax,
&dev_attr_lpfc_fcp_wq_count,
&dev_attr_lpfc_fcp_eq_count,
&dev_attr_lpfc_enable_bg,
&dev_attr_lpfc_soft_wwnn,
&dev_attr_lpfc_soft_wwpn,
Expand Down Expand Up @@ -4105,6 +4153,9 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
lpfc_use_msi_init(phba, lpfc_use_msi);
lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count);
lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count);
lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
lpfc_enable_bg_init(phba, lpfc_enable_bg);
Expand Down
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