[SPARC64]: Handle multiple domain-services-port nodes properly.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
58fb666643
commit
5fc986100c
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@ -124,10 +124,11 @@ struct ds_data_nack {
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__u64 result;
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};
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struct ds_info;
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struct ds_cap_state {
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__u64 handle;
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void (*data)(struct ldc_channel *lp,
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void (*data)(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len);
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@ -139,27 +140,27 @@ struct ds_cap_state {
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#define CAP_STATE_REGISTERED 0x02
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};
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static void md_update_data(struct ldc_channel *lp, struct ds_cap_state *cp,
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static void md_update_data(struct ds_info *dp, struct ds_cap_state *cp,
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void *buf, int len);
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static void domain_shutdown_data(struct ldc_channel *lp,
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static void domain_shutdown_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len);
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static void domain_panic_data(struct ldc_channel *lp,
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static void domain_panic_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len);
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#ifdef CONFIG_HOTPLUG_CPU
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static void dr_cpu_data(struct ldc_channel *lp,
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static void dr_cpu_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len);
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#endif
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static void ds_pri_data(struct ldc_channel *lp,
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static void ds_pri_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len);
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static void ds_var_data(struct ldc_channel *lp,
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static void ds_var_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len);
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struct ds_cap_state ds_states[] = {
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struct ds_cap_state ds_states_template[] = {
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{
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.service_id = "md-update",
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.data = md_update_data,
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@ -200,30 +201,38 @@ struct ds_info {
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#define DS_HS_START 0x01
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#define DS_HS_DONE 0x02
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u64 id;
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void *rcv_buf;
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int rcv_buf_len;
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struct ds_cap_state *ds_states;
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int num_ds_states;
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struct ds_info *next;
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};
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static struct ds_info *ds_info;
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static struct ds_info *ds_info_list;
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static struct ds_cap_state *find_cap(u64 handle)
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static struct ds_cap_state *find_cap(struct ds_info *dp, u64 handle)
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{
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unsigned int index = handle >> 32;
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if (index >= ARRAY_SIZE(ds_states))
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if (index >= dp->num_ds_states)
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return NULL;
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return &ds_states[index];
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return &dp->ds_states[index];
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}
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static struct ds_cap_state *find_cap_by_string(const char *name)
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static struct ds_cap_state *find_cap_by_string(struct ds_info *dp,
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const char *name)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(ds_states); i++) {
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if (strcmp(ds_states[i].service_id, name))
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for (i = 0; i < dp->num_ds_states; i++) {
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if (strcmp(dp->ds_states[i].service_id, name))
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continue;
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return &ds_states[i];
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return &dp->ds_states[i];
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}
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return NULL;
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}
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@ -264,10 +273,11 @@ struct ds_md_update_res {
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__u32 result;
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};
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static void md_update_data(struct ldc_channel *lp,
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struct ds_cap_state *dp,
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static void md_update_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len)
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{
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struct ldc_channel *lp = dp->lp;
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struct ds_data *dpkt = buf;
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struct ds_md_update_req *rp;
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struct {
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@ -277,14 +287,14 @@ static void md_update_data(struct ldc_channel *lp,
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rp = (struct ds_md_update_req *) (dpkt + 1);
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printk(KERN_INFO PFX "Machine description update.\n");
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printk(KERN_INFO "ds-%lu: Machine description update.\n", dp->id);
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mdesc_update();
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memset(&pkt, 0, sizeof(pkt));
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pkt.data.tag.type = DS_DATA;
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pkt.data.tag.len = sizeof(pkt) - sizeof(struct ds_msg_tag);
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pkt.data.handle = dp->handle;
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pkt.data.handle = cp->handle;
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pkt.res.req_num = rp->req_num;
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pkt.res.result = DS_OK;
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@ -302,10 +312,11 @@ struct ds_shutdown_res {
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char reason[1];
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};
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static void domain_shutdown_data(struct ldc_channel *lp,
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struct ds_cap_state *dp,
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static void domain_shutdown_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len)
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{
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struct ldc_channel *lp = dp->lp;
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struct ds_data *dpkt = buf;
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struct ds_shutdown_req *rp;
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struct {
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@ -315,13 +326,13 @@ static void domain_shutdown_data(struct ldc_channel *lp,
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rp = (struct ds_shutdown_req *) (dpkt + 1);
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printk(KERN_ALERT PFX "Shutdown request from "
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"LDOM manager received.\n");
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printk(KERN_ALERT "ds-%lu: Shutdown request from "
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"LDOM manager received.\n", dp->id);
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memset(&pkt, 0, sizeof(pkt));
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pkt.data.tag.type = DS_DATA;
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pkt.data.tag.len = sizeof(pkt) - sizeof(struct ds_msg_tag);
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pkt.data.handle = dp->handle;
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pkt.data.handle = cp->handle;
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pkt.res.req_num = rp->req_num;
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pkt.res.result = DS_OK;
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pkt.res.reason[0] = 0;
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@ -341,10 +352,11 @@ struct ds_panic_res {
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char reason[1];
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};
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static void domain_panic_data(struct ldc_channel *lp,
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struct ds_cap_state *dp,
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static void domain_panic_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len)
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{
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struct ldc_channel *lp = dp->lp;
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struct ds_data *dpkt = buf;
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struct ds_panic_req *rp;
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struct {
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@ -354,13 +366,13 @@ static void domain_panic_data(struct ldc_channel *lp,
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rp = (struct ds_panic_req *) (dpkt + 1);
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printk(KERN_ALERT PFX "Panic request from "
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"LDOM manager received.\n");
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printk(KERN_ALERT "ds-%lu: Panic request from "
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"LDOM manager received.\n", dp->id);
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memset(&pkt, 0, sizeof(pkt));
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pkt.data.tag.type = DS_DATA;
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pkt.data.tag.len = sizeof(pkt) - sizeof(struct ds_msg_tag);
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pkt.data.handle = dp->handle;
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pkt.data.handle = cp->handle;
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pkt.res.req_num = rp->req_num;
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pkt.res.result = DS_OK;
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pkt.res.reason[0] = 0;
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@ -403,10 +415,11 @@ struct dr_cpu_resp_entry {
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__u32 str_off;
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};
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static void __dr_cpu_send_error(struct ds_cap_state *cp, struct ds_data *data)
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static void __dr_cpu_send_error(struct ds_info *dp,
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struct ds_cap_state *cp,
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struct ds_data *data)
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{
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struct dr_cpu_tag *tag = (struct dr_cpu_tag *) (data + 1);
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struct ds_info *dp = ds_info;
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struct {
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struct ds_data data;
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struct dr_cpu_tag tag;
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@ -428,12 +441,14 @@ static void __dr_cpu_send_error(struct ds_cap_state *cp, struct ds_data *data)
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__ds_send(dp->lp, &pkt, msg_len);
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}
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static void dr_cpu_send_error(struct ds_cap_state *cp, struct ds_data *data)
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static void dr_cpu_send_error(struct ds_info *dp,
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struct ds_cap_state *cp,
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struct ds_data *data)
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{
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unsigned long flags;
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spin_lock_irqsave(&ds_lock, flags);
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__dr_cpu_send_error(cp, data);
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__dr_cpu_send_error(dp, cp, data);
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spin_unlock_irqrestore(&ds_lock, flags);
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}
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@ -511,7 +526,9 @@ static void dr_cpu_mark(struct ds_data *resp, int cpu, int ncpus,
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}
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}
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static int dr_cpu_configure(struct ds_cap_state *cp, u64 req_num,
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static int dr_cpu_configure(struct ds_info *dp,
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struct ds_cap_state *cp,
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u64 req_num,
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cpumask_t *mask)
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{
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struct ds_data *resp;
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@ -533,7 +550,8 @@ static int dr_cpu_configure(struct ds_cap_state *cp, u64 req_num,
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for_each_cpu_mask(cpu, *mask) {
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int err;
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printk(KERN_INFO PFX "Starting cpu %d...\n", cpu);
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printk(KERN_INFO "ds-%lu: Starting cpu %d...\n",
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dp->id, cpu);
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err = cpu_up(cpu);
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if (err) {
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__u32 res = DR_CPU_RES_FAILURE;
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@ -548,14 +566,14 @@ static int dr_cpu_configure(struct ds_cap_state *cp, u64 req_num,
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res = DR_CPU_RES_CPU_NOT_RESPONDING;
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}
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printk(KERN_INFO PFX "CPU startup failed err=%d\n",
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err);
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printk(KERN_INFO "ds-%lu: CPU startup failed err=%d\n",
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dp->id, err);
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dr_cpu_mark(resp, cpu, ncpus, res, stat);
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}
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}
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spin_lock_irqsave(&ds_lock, flags);
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__ds_send(ds_info->lp, resp, resp_len);
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__ds_send(dp->lp, resp, resp_len);
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spin_unlock_irqrestore(&ds_lock, flags);
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kfree(resp);
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@ -566,7 +584,9 @@ static int dr_cpu_configure(struct ds_cap_state *cp, u64 req_num,
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return 0;
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}
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static int dr_cpu_unconfigure(struct ds_cap_state *cp, u64 req_num,
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static int dr_cpu_unconfigure(struct ds_info *dp,
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struct ds_cap_state *cp,
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u64 req_num,
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cpumask_t *mask)
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{
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struct ds_data *resp;
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for_each_cpu_mask(cpu, *mask) {
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int err;
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printk(KERN_INFO PFX "CPU[%d]: Shutting down cpu %d...\n",
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smp_processor_id(), cpu);
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printk(KERN_INFO "ds-%lu: Shutting down cpu %d...\n",
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dp->id, cpu);
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err = cpu_down(cpu);
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if (err)
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dr_cpu_mark(resp, cpu, ncpus,
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@ -596,7 +616,7 @@ static int dr_cpu_unconfigure(struct ds_cap_state *cp, u64 req_num,
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}
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spin_lock_irqsave(&ds_lock, flags);
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__ds_send(ds_info->lp, resp, resp_len);
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__ds_send(dp->lp, resp, resp_len);
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spin_unlock_irqrestore(&ds_lock, flags);
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kfree(resp);
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@ -604,7 +624,7 @@ static int dr_cpu_unconfigure(struct ds_cap_state *cp, u64 req_num,
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return 0;
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}
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static void dr_cpu_data(struct ldc_channel *lp,
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static void dr_cpu_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len)
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{
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@ -623,7 +643,7 @@ static void dr_cpu_data(struct ldc_channel *lp,
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break;
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default:
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dr_cpu_send_error(cp, data);
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dr_cpu_send_error(dp, cp, data);
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return;
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}
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@ -639,12 +659,12 @@ static void dr_cpu_data(struct ldc_channel *lp,
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}
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if (tag->type == DR_CPU_CONFIGURE)
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err = dr_cpu_configure(cp, req_num, &mask);
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err = dr_cpu_configure(dp, cp, req_num, &mask);
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else
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err = dr_cpu_unconfigure(cp, req_num, &mask);
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err = dr_cpu_unconfigure(dp, cp, req_num, &mask);
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if (err)
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dr_cpu_send_error(cp, data);
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dr_cpu_send_error(dp, cp, data);
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}
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#endif /* CONFIG_HOTPLUG_CPU */
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@ -656,8 +676,8 @@ struct ds_pri_msg {
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#define DS_PRI_UPDATE 0x02
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};
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static void ds_pri_data(struct ldc_channel *lp,
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struct ds_cap_state *dp,
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static void ds_pri_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len)
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{
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struct ds_data *dpkt = buf;
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rp = (struct ds_pri_msg *) (dpkt + 1);
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printk(KERN_INFO PFX "PRI REQ [%lx:%lx], len=%d\n",
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rp->req_num, rp->type, len);
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printk(KERN_INFO "ds-%lu: PRI REQ [%lx:%lx], len=%d\n",
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dp->id, rp->req_num, rp->type, len);
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}
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struct ds_var_hdr {
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@ -701,8 +721,8 @@ static DEFINE_MUTEX(ds_var_mutex);
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static int ds_var_doorbell;
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static int ds_var_response;
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static void ds_var_data(struct ldc_channel *lp,
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struct ds_cap_state *dp,
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static void ds_var_data(struct ds_info *dp,
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struct ds_cap_state *cp,
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void *buf, int len)
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{
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struct ds_data *dpkt = buf;
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@ -721,14 +741,35 @@ static void ds_var_data(struct ldc_channel *lp,
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void ldom_set_var(const char *var, const char *value)
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{
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struct ds_info *dp = ds_info;
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struct ds_cap_state *cp;
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struct ds_info *dp;
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unsigned long flags;
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cp = find_cap_by_string("var-config");
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if (cp->state != CAP_STATE_REGISTERED)
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cp = find_cap_by_string("var-config-backup");
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spin_lock_irqsave(&ds_lock, flags);
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cp = NULL;
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for (dp = ds_info_list; dp; dp = dp->next) {
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struct ds_cap_state *tmp;
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if (cp->state == CAP_STATE_REGISTERED) {
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tmp = find_cap_by_string(dp, "var-config");
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if (tmp && tmp->state == CAP_STATE_REGISTERED) {
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cp = tmp;
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break;
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}
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}
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if (!cp) {
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for (dp = ds_info_list; dp; dp = dp->next) {
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struct ds_cap_state *tmp;
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tmp = find_cap_by_string(dp, "var-config-backup");
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if (tmp && tmp->state == CAP_STATE_REGISTERED) {
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cp = tmp;
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break;
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}
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}
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}
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spin_unlock_irqrestore(&ds_lock, flags);
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if (cp) {
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union {
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struct {
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struct ds_data data;
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@ -736,7 +777,6 @@ void ldom_set_var(const char *var, const char *value)
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} header;
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char all[512];
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} pkt;
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unsigned long flags;
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char *base, *p;
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int msg_len, loops;
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@ -777,9 +817,9 @@ void ldom_set_var(const char *var, const char *value)
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if (ds_var_doorbell == 0 ||
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ds_var_response != DS_VAR_SUCCESS)
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printk(KERN_ERR PFX "var-config [%s:%s] "
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printk(KERN_ERR "ds-%lu: var-config [%s:%s] "
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"failed, response(%d).\n",
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var, value,
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dp->id, var, value,
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ds_var_response);
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} else {
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printk(KERN_ERR PFX "var-config not registered so "
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@ -811,8 +851,8 @@ void ldom_power_off(void)
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static void ds_conn_reset(struct ds_info *dp)
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{
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printk(KERN_ERR PFX "ds_conn_reset() from %p\n",
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__builtin_return_address(0));
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printk(KERN_ERR "ds-%lu: ds_conn_reset() from %p\n",
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dp->id, __builtin_return_address(0));
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}
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static int register_services(struct ds_info *dp)
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@ -820,12 +860,12 @@ static int register_services(struct ds_info *dp)
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struct ldc_channel *lp = dp->lp;
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int i;
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for (i = 0; i < ARRAY_SIZE(ds_states); i++) {
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for (i = 0; i < dp->num_ds_states; i++) {
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struct {
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struct ds_reg_req req;
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u8 id_buf[256];
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} pbuf;
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struct ds_cap_state *cp = &ds_states[i];
|
||||
struct ds_cap_state *cp = &dp->ds_states[i];
|
||||
int err, msg_len;
|
||||
u64 new_count;
|
||||
|
||||
|
@ -870,28 +910,28 @@ static int ds_handshake(struct ds_info *dp, struct ds_msg_tag *pkt)
|
|||
|
||||
if (pkt->type == DS_REG_ACK) {
|
||||
struct ds_reg_ack *ap = (struct ds_reg_ack *) pkt;
|
||||
struct ds_cap_state *cp = find_cap(ap->handle);
|
||||
struct ds_cap_state *cp = find_cap(dp, ap->handle);
|
||||
|
||||
if (!cp) {
|
||||
printk(KERN_ERR PFX "REG ACK for unknown handle %lx\n",
|
||||
ap->handle);
|
||||
printk(KERN_ERR "ds-%lu: REG ACK for unknown "
|
||||
"handle %lx\n", dp->id, ap->handle);
|
||||
return 0;
|
||||
}
|
||||
printk(KERN_INFO PFX "Registered %s service.\n",
|
||||
cp->service_id);
|
||||
printk(KERN_INFO "ds-%lu: Registered %s service.\n",
|
||||
dp->id, cp->service_id);
|
||||
cp->state = CAP_STATE_REGISTERED;
|
||||
} else if (pkt->type == DS_REG_NACK) {
|
||||
struct ds_reg_nack *np = (struct ds_reg_nack *) pkt;
|
||||
struct ds_cap_state *cp = find_cap(np->handle);
|
||||
struct ds_cap_state *cp = find_cap(dp, np->handle);
|
||||
|
||||
if (!cp) {
|
||||
printk(KERN_ERR PFX "REG NACK for "
|
||||
printk(KERN_ERR "ds-%lu: REG NACK for "
|
||||
"unknown handle %lx\n",
|
||||
np->handle);
|
||||
dp->id, np->handle);
|
||||
return 0;
|
||||
}
|
||||
printk(KERN_INFO PFX "Could not register %s service\n",
|
||||
cp->service_id);
|
||||
printk(KERN_INFO "ds-%lu: Could not register %s service\n",
|
||||
dp->id, cp->service_id);
|
||||
cp->state = CAP_STATE_UNKNOWN;
|
||||
}
|
||||
|
||||
|
@ -922,6 +962,7 @@ static DECLARE_WAIT_QUEUE_HEAD(ds_wait);
|
|||
|
||||
struct ds_queue_entry {
|
||||
struct list_head list;
|
||||
struct ds_info *dp;
|
||||
int req_len;
|
||||
int __pad;
|
||||
u64 req[0];
|
||||
|
@ -930,7 +971,6 @@ struct ds_queue_entry {
|
|||
static void process_ds_work(void)
|
||||
{
|
||||
struct ds_queue_entry *qp, *tmp;
|
||||
static struct ds_info *dp;
|
||||
unsigned long flags;
|
||||
LIST_HEAD(todo);
|
||||
|
||||
|
@ -939,22 +979,22 @@ static void process_ds_work(void)
|
|||
INIT_LIST_HEAD(&ds_work_list);
|
||||
spin_unlock_irqrestore(&ds_lock, flags);
|
||||
|
||||
dp = ds_info;
|
||||
|
||||
list_for_each_entry_safe(qp, tmp, &todo, list) {
|
||||
struct ds_data *dpkt = (struct ds_data *) qp->req;
|
||||
struct ds_cap_state *cp = find_cap(dpkt->handle);
|
||||
struct ds_info *dp = qp->dp;
|
||||
struct ds_cap_state *cp = find_cap(dp, dpkt->handle);
|
||||
int req_len = qp->req_len;
|
||||
|
||||
if (!cp) {
|
||||
printk(KERN_ERR PFX "Data for unknown handle %lu\n",
|
||||
dpkt->handle);
|
||||
printk(KERN_ERR "ds-%lu: Data for unknown "
|
||||
"handle %lu\n",
|
||||
dp->id, dpkt->handle);
|
||||
|
||||
spin_lock_irqsave(&ds_lock, flags);
|
||||
__send_ds_nack(dp, dpkt->handle);
|
||||
spin_unlock_irqrestore(&ds_lock, flags);
|
||||
} else {
|
||||
cp->data(dp->lp, cp, dpkt, req_len);
|
||||
cp->data(dp, cp, dpkt, req_len);
|
||||
}
|
||||
|
||||
list_del(&qp->list);
|
||||
|
@ -990,6 +1030,7 @@ static int ds_data(struct ds_info *dp, struct ds_msg_tag *pkt, int len)
|
|||
if (!qp) {
|
||||
__send_ds_nack(dp, dpkt->handle);
|
||||
} else {
|
||||
qp->dp = dp;
|
||||
memcpy(&qp->req, pkt, len);
|
||||
list_add_tail(&qp->list, &ds_work_list);
|
||||
wake_up(&ds_wait);
|
||||
|
@ -1019,8 +1060,8 @@ static void ds_reset(struct ds_info *dp)
|
|||
|
||||
dp->hs_state = 0;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ds_states); i++) {
|
||||
struct ds_cap_state *cp = &ds_states[i];
|
||||
for (i = 0; i < dp->num_ds_states; i++) {
|
||||
struct ds_cap_state *cp = &dp->ds_states[i];
|
||||
|
||||
cp->state = CAP_STATE_UNKNOWN;
|
||||
}
|
||||
|
@ -1048,7 +1089,8 @@ static void ds_event(void *arg, int event)
|
|||
}
|
||||
|
||||
if (event != LDC_EVENT_DATA_READY) {
|
||||
printk(KERN_WARNING PFX "Unexpected LDC event %d\n", event);
|
||||
printk(KERN_WARNING "ds-%lu: Unexpected LDC event %d\n",
|
||||
dp->id, event);
|
||||
spin_unlock_irqrestore(&ds_lock, flags);
|
||||
return;
|
||||
}
|
||||
|
@ -1099,9 +1141,11 @@ static int __devinit ds_probe(struct vio_dev *vdev,
|
|||
.mtu = 4096,
|
||||
.mode = LDC_MODE_STREAM,
|
||||
};
|
||||
struct mdesc_handle *hp;
|
||||
struct ldc_channel *lp;
|
||||
struct ds_info *dp;
|
||||
int err;
|
||||
const u64 *val;
|
||||
int err, i;
|
||||
|
||||
if (ds_version_printed++ == 0)
|
||||
printk(KERN_INFO "%s", version);
|
||||
|
@ -1111,19 +1155,37 @@ static int __devinit ds_probe(struct vio_dev *vdev,
|
|||
if (!dp)
|
||||
goto out_err;
|
||||
|
||||
hp = mdesc_grab();
|
||||
val = mdesc_get_property(hp, vdev->mp, "id", NULL);
|
||||
if (val)
|
||||
dp->id = *val;
|
||||
mdesc_release(hp);
|
||||
|
||||
dp->rcv_buf = kzalloc(4096, GFP_KERNEL);
|
||||
if (!dp->rcv_buf)
|
||||
goto out_free_dp;
|
||||
|
||||
dp->rcv_buf_len = 4096;
|
||||
|
||||
dp->ds_states = kzalloc(sizeof(ds_states_template),
|
||||
GFP_KERNEL);
|
||||
if (!dp->ds_states)
|
||||
goto out_free_rcv_buf;
|
||||
|
||||
memcpy(dp->ds_states, ds_states_template,
|
||||
sizeof(ds_states_template));
|
||||
dp->num_ds_states = ARRAY_SIZE(ds_states_template);
|
||||
|
||||
for (i = 0; i < dp->num_ds_states; i++)
|
||||
dp->ds_states[i].handle = ((u64)i << 32);
|
||||
|
||||
ds_cfg.tx_irq = vdev->tx_irq;
|
||||
ds_cfg.rx_irq = vdev->rx_irq;
|
||||
|
||||
lp = ldc_alloc(vdev->channel_id, &ds_cfg, dp);
|
||||
if (IS_ERR(lp)) {
|
||||
err = PTR_ERR(lp);
|
||||
goto out_free_rcv_buf;
|
||||
goto out_free_ds_states;
|
||||
}
|
||||
dp->lp = lp;
|
||||
|
||||
|
@ -1131,13 +1193,19 @@ static int __devinit ds_probe(struct vio_dev *vdev,
|
|||
if (err)
|
||||
goto out_free_ldc;
|
||||
|
||||
ds_info = dp;
|
||||
spin_lock_irq(&ds_lock);
|
||||
dp->next = ds_info_list;
|
||||
ds_info_list = dp;
|
||||
spin_unlock_irq(&ds_lock);
|
||||
|
||||
return err;
|
||||
|
||||
out_free_ldc:
|
||||
ldc_free(dp->lp);
|
||||
|
||||
out_free_ds_states:
|
||||
kfree(dp->ds_states);
|
||||
|
||||
out_free_rcv_buf:
|
||||
kfree(dp->rcv_buf);
|
||||
|
||||
|
@ -1172,11 +1240,6 @@ static struct vio_driver ds_driver = {
|
|||
|
||||
static int __init ds_init(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ds_states); i++)
|
||||
ds_states[i].handle = ((u64)i << 32);
|
||||
|
||||
kthread_run(ds_thread, NULL, "kldomd");
|
||||
|
||||
return vio_register_driver(&ds_driver);
|
||||
|
|
Loading…
Reference in a new issue